Separation device of a lamp holder and a fixing seat

Information

  • Patent Grant
  • 6779911
  • Patent Number
    6,779,911
  • Date Filed
    Tuesday, November 26, 2002
    21 years ago
  • Date Issued
    Tuesday, August 24, 2004
    20 years ago
Abstract
A separation device of a lamp holder and a fixing seat includes a lamp holder, a lamp connecting seat, an electrode, a fixing seat, a cover plate, a fixing bracket, and two safety locking members. When the lamp holder registers the fixing seat, the lamp holder is rotated relative to the fixing seat, so that the lamp holder is integrally combined with the fixing seat. Thus, the separation device is assembled and disassembled easily and conveniently. In addition, the lamp can be inserted into the lamp connecting seat only when each of the two safety locking members is exactly locked on the lamp holder and the fixing seat, thereby forming a safety locking effect.
Description




BACKGROUND OF THE INVENTION




1. Field of the Invention




The present invention relates to a separation device of a lamp holder and a fixing seat, and more particularly to a separation device that is assembled and disassembled rapidly, easily and conveniently, thereby facilitating replacement and maintenance of the separation device.




2. Description of the Related Art




A conventional lamp in accordance with the prior art comprises a shade seat, a shade mounted on the bottom of the shade seat, a fixing device mounted in the shade seat, a lamp rack mounted on the shade seat and having a distal end connected to the fixing device, and a lamp body mounted in the shade and connected to the fixing device. The fixing device contains an electronic ballast therein. The fixing device is connected with an electric wire which is connected to a junction box of the ceiling fan through the lamp rack.




However, the conventional lamp having an electronic stabilizer in accordance with the prior art has the following disadvantages.




1. The electronic ballast mounted in the fixing device that is hidden in the shade is easily worn out. Thus, when the electronic ballast is worn out, the user has to detach the lamp body, then detach the shade from the shade seat, thereby exposing the fixing device, and then detach and replace the entire fixing device. Then, the user has to mount a new fixing device in the shade seat, then mount the shade in the shade seat, and then mount the lamp body. Thus, it takes a long time and much manual work to replace the fixing device, thereby greatly increasing inconvenience and difficulty in maintenance of the fixing device.




2. The fixing device is connected to the electric wire. Thus, when the electronic ballast in the fixing device is worn out, the user has to detach the shade seat and the shade, and to detach the fixing device from the electric wire for replacing the fixing device and the electronic stabilizer in the fixing device, thereby easily causing danger in maintenance of the fixing device.




3. The user has to replace the entire fixing device when the electronic ballast or other parts contained in the fixing device is worn out, thereby causing improper consumption of material and increasing the cost, and thereby easily causing an environmental pollution.




SUMMARY OF THE INVENTION




The present invention has arisen to mitigate and/or obviate the disadvantage of the conventional lamp.




The primary objective of the present invention is to provide a separation device of a lamp holder and a fixing seat, wherein when the lamp holder registers the fixing seat, the lamp holder is rotated relative to the fixing seat, so that the lamp holder is integrally combined with the fixing seat. Thus, the separation device is assembled and disassembled easily and conveniently.




Another objective of the present invention is to provide a separation device of a lamp holder and a fixing seat, wherein each of the two safety locking members is exactly locked on the lamp holder and the fixing seat when the lamp holder is aligned with the fixing seat, so that the separation device is assembled and disassembled easily and conveniently.




A further objective of the present invention is to provide a separation device of a lamp holder and a fixing seat, wherein the main parts are mounted in the lamp holder, so that they can be detached and replaced rapidly, easily and conveniently, thereby facilitating replacement and maintenance of the separation device of the present invention.




A further objective of the present invention is to provide a separation device of a lamp holder and a fixing seat, wherein the lamp holder and the fixing seat are assembled and disassembled easily and conveniently, thereby facilitating replacement and maintenance of the separation device of the present invention.




A further objective of the present invention is to provide a separation device of a lamp holder and a fixing seat, wherein the lamp can be inserted into the lamp connecting seat only when each of the two safety locking members is exactly locked on the lamp holder and the fixing seat, thereby forming a double safety locking effect.




In accordance with the present invention, there is provided a separation device of a lamp holder and a fixing seat, comprising a lamp holder, a lamp connecting seat, an electrode, a fixing seat, and two safety locking members, wherein:




the lamp holder has a closed end provided with a protruding guide column which has a periphery formed with two radially opposite locking portions and an orientation portion;




the lamp connecting seat is mounted in the lamp holder;




the electrode is mounted in the lamp holder;




the fixing seat has a first end fixed on the closed end of the lamp holder, the first end of the fixing seat has a center formed with a guide hole for receiving the guide column of the lamp holder, the guide hole of the fixing seat has a wall formed with two radially opposite recessed guide portions for guiding a respective one of the two locking portions of the lamp holder, and formed with two radially opposite retaining rails each located beside a respective one of the two guide portions for retaining a respective one of the two locking portions of the lamp holder, the wall of the guide hole of the fixing seat is formed with an arcuate orientation slot for receiving the orientation portion of the lamp holder; and




each of the two safety locking members is mounted between the lamp holder and the fixing seat, so that the lamp holder and the fixing seat are locked with each other, thereby integrally combining the lamp holder with the fixing seat.




Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.











BRIEF DESCRIPTION OF THE DRAWINGS





FIG. 1

is an exploded perspective view of a separation device in accordance with a preferred embodiment of the present invention;





FIG. 2

is an exploded perspective view of the separation device in accordance with the preferred embodiment of the present invention;





FIG. 3

is a plan cross-sectional assembly view of the separation device as shown in

FIG. 1

;





FIG. 4

is a top plan cross-sectional assembly view of the separation device as shown in

FIG. 1

;





FIG. 5

is a partially perspective assembly view of the separation device in accordance with the preferred embodiment of the present invention;





FIG. 6

is a another top plan cross-sectional assembly view of the separation device as shown in

FIG. 1

;





FIG. 7

is a another top plan cross-sectional assembly view of the separation device as shown in

FIG. 1

; and





FIG. 8

is a partially perspective assembly view of the separation device in accordance with another preferred embodiment of the present invention.











DETAILED DESCRIPTION OF THE INVENTION




Referring to the drawings and initially to

FIGS. 1-7

, a separation device of a lamp holder and a fixing seat in accordance with a preferred embodiment of the present invention mounted on a lamp as shown in FIG.


5


.




As shown in

FIG. 5

, the lamp includes a shade seat


91


, a shade


93


mounted on the bottom of the shade seat


91


, and a bulb


94


having a bulb seat


92


. The separation device in accordance with the present invention is mounted between the bulb


94


and the shade seat


91


, and can be detached and replaced.




Referring to

FIGS. 1-5

, the separation device in accordance with the preferred embodiment of the present invention comprises a lamp holder


10


, a lamp connecting seat


20


, an electrode


30


, a fixing seat


40


, a cover plate


50


, a fixing bracket


70


, and two safety locking members


80


.




The lamp holder


10


has an inner wall formed with a receiving chamber


11


for receiving the lamp connecting seat


20


and the electrode


30


. The receiving chamber


11


of the lamp holder


10


has closed end formed with four fixing holes


12


. The closed end of the receiving chamber


11


of the lamp holder


10


is provided with two protruding metallic conductive members


14


each connected to one of two V-shaped elastic conductive plates


61


mounted in the fixing seat


40


.




The lamp connecting seat


20


is received in the receiving chamber


11


of the lamp holder


10


, and is provided with three connecting legs


21


each formed with a fixing hole


210


. The lamp holder


10


includes three first fixing members


13


each extended through a respective one of three of the four fixing holes


12


of the lamp holder


10


and each riveted in the fixing hole


210


of a respective one of the three connecting legs


21


of the lamp connecting seat


20


, thereby fixing the lamp connecting seat


20


on the lamp holder


10


. The three connecting legs


21


of the lamp connecting seat


20


are electrically connected to one of the two conductive members


14


of the lamp holder


10


.




The electrode


30


is received in the receiving chamber


11


of the lamp holder


10


, and has a connecting leg


31


formed with a fixing hole


310


. The lamp holder


10


includes a second fixing member


130


extended through the other one of the four fixing holes


12


of the lamp holder


10


and riveted in the fixing hole


310


of the connecting leg


31


of the electrode


30


, thereby fixing the electrode


30


on the lamp holder


10


. The connecting leg


31


of the electrode


30


has a protruding conductive portion


32


electrically connected to the other one of the two conductive members


14


of the lamp holder


10


.




The fixing seat


40


has a first end fixed on the closed end of the lamp holder


10


. The closed end of the lamp holder


10


is provided with a protruding guide column


15


which has a periphery formed with two radially opposite locking portions


150


and an orientation portion


151


. The first end of the fixing seat


40


has a center formed with a guide hole


41


for receiving the guide column


15


of the lamp holder


10


. The guide hole


41


of the fixing seat


40


has a wall formed with two radially opposite recessed guide portions


412


for guiding a respective one of the two locking portions


150


of the lamp holder


10


, and formed with two radially opposite retaining rails


410


each located beside a respective one of the two guide portions


412


for retaining a respective one of the two locking portions


150


of the lamp holder


10


. The wall of the guide hole


41


of the fixing seat


40


is formed with an arcuate orientation slot


411


(see

FIG. 7

) for receiving the orientation portion


151


of the lamp holder


10


.




In assembly, when the guide column


15


of the lamp holder


10


is inserted into the guide hole


41


of the fixing seat


40


, the lamp holder


10


is rotated relative to the fixing seat


40


until the orientation portion


151


of the lamp holder


10


aligns with the orientation slot


411


of the fixing seat


40


and each of the two locking portions


150


of the lamp holder


10


aligns with the respective guide portion


412


of the fixing seat


40


, so that each of the two locking portions


150


of the lamp holder


10


is inserted into the respective guide portion


412


of the fixing seat


40


. Then, the lamp holder


10


is rotated relative to the fixing seat


40


, so that each of the two locking portions


150


of the lamp holder


10


is rested on and retained by the respective retaining rail


410


of the fixing seat


40


. Thus, the lamp holder


10


is integrally combined with the fixing seat


40


.




The first end of the fixing seat


40


has a periphery formed with two opposite passage holes


42


for passage of two electric wires


60


, and formed with two opposite receiving recesses


43


(see

FIG. 4

) each located beside a respective one of the two opposite passage holes


42


. Each of the two opposite receiving recesses


43


is provided with a limit post


44


. Each of the two V-shaped elastic conductive plates


61


is mounted on the limit post


44


of a respective one of the two opposite receiving recesses


43


of the fixing seat


40


.




Each of the two elastic conductive plates


61


has a first end provided with a ring-shaped connecting portion


610


connected to a respective one of the two electric wires


60


, and a second end provided with an elastic locking portion


611


connected to a respective one of the two metallic conductive members


14


of the lamp holder


10


.




The cover plate


50


is mounted on the first end of the fixing seat


40


, thereby preventing the elastic conductive plates


61


from being exposed outward. The cover plate


50


is formed with a passage slot


52


for passage of the guide column


15


of the lamp holder


10


. The cover plate


50


has a periphery provided with a plurality of protruding positioning portions


51


secured on the fixing seat


40


, so that the cover plate


50


is integrally combined with the fixing seat


40


.




The fixing bracket


70


is substantially U-shaped, and is secured on a second end of the fixing seat


40


. The fixing bracket


70


has two bent ends each formed with a screw bore


71


, so that each of two fixing bolts


710


is in turn extended through the fixing seat


40


and is screwed into the screw bore


71


of the fixing bracket


70


, thereby fixing the fixing bracket


70


on the fixing seat


40


. The fixing bracket


70


has a center formed with a threaded passage hole


72


for passage of the electric wires


60


. The fixing bracket


70


can be combined with other part by the threaded passage hole


72


.




Each of the two safety locking members


80


is mounted between the lamp holder


10


and the fixing seat


40


, so that the lamp holder


10


and the fixing seat


40


are locked with each other, thereby integrally combining the lamp holder


10


with the fixing seat


40


.




The lamp holder


10


has an outer wall formed with two radially opposite dovetail-shaped guide locking channels


16


. The cover plate


50


has an outer wall formed with two radially opposite dovetail-shaped guide locking grooves


53


. The fixing seat


40


has a periphery formed with two radially opposite dovetail-shaped recessed guide locking portions


45


. Each of the two safety locking members


80


has a dovetail-shaped cross-section, and is locked in a respective one of the two dovetail-shaped guide locking channels


16


of the lamp holder


10


, a respective one of the two dovetail-shaped guide locking grooves


53


of the cover plate


50


, and a respective one of the two dovetail-shaped guide locking portions


45


of the fixing seat


40


. Each of the two safety locking members


80


has two sides each formed with an oblique locking portion


81


.




Each of the two guide locking channels


16


of the lamp support body


10


has a wall formed with a limit slot


160


. Each of the two safety locking members


80


is provided with an elastic limit portion


82


that is elastically locked in the limit slot


160


of a respective one of the two guide locking channels


16


of the lamp holder


10


, so that each of the two safety locking members


80


is locked in a respective one of the two guide locking channels


16


of the lamp holder


10


. Each of the two safety locking members


80


has a surface provided with a serrated push portion


83


, thereby facilitating movement of each of the two safety locking members


80


.




In assembly, when each of the two guide locking channels


16


of the lamp holder


10


is aligned with the respective guide locking portion


45


of the fixing seat


40


, each of the two safety locking members


80


is moved in the respective guide locking channel


16


of the lamp holder


10


until the elastic limit portion


82


of each of the two safety locking members


80


is locked in the limit slot


160


of the respective guide locking channel


16


of the lamp holder


10


, so that each of the two safety locking members


80


is locked in the respective guide locking channel


16


of the lamp holder


10


, and is locked in the respective guide locking portion


45


of the fixing seat


40


.




In such a manner, each of the two safety locking members


80


is fully hidden into the respective guide locking channel


16


of the lamp holder


10


and the respective guide locking portion


45


of the fixing seat


40


, so that each of the two safety locking members


80


will not protrude from the lamp connecting seat


20


. Thus, the bulb seat


92


of the bulb


94


is inserted into the lamp connecting seat


20


for use. If either one of the two safety locking members


80


is not exactly inserted into the respective guide locking portion


45


of the fixing seat


40


, the either one of the two safety locking members


80


will protrude outward from the lamp connecting seat


20


and the lamp holder


10


, so that the bulb seat


92


of the bulb


94


cannot be inserted into the lamp connecting seat


20


, thereby forming a double safety locking effect.




Referring to

FIG. 8

, the lamp connecting seat


20


has a different size to fit the bulb seat


92


of the bulb


94


with a different size, thereby enhancing the versatility of the separation device in accordance with the present invention is shown.




Accordingly, the separation device in accordance with the present invention has the following advantages.




1. When the lamp holder


10


registers the fixing seat


40


, the lamp holder


10


is rotated relative to the fixing seat


40


, so that the lamp holder


10


is integrally combined with the fixing seat


40


. Thus, the separation device of the present invention is assembled and disassembled easily and conveniently.




2. Each of the two safety locking members


80


is exactly locked on the lamp holder


10


and the fixing seat


40


when the lamp holder


10


is aligned with the fixing seat


40


, so that the separation device of the present invention is assembled and disassembled easily and conveniently.




3. The main parts (such as the lamp connecting seat


20


and the electrode


30


) are mounted in the lamp holder


10


, so that they can be detached and replaced rapidly, easily and conveniently, thereby facilitating replacement and maintenance of the separation device of the present invention.




4. The lamp holder


10


and the fixing seat


40


are assembled and disassembled easily and conveniently, thereby facilitating replacement and maintenance of the separation device of the present invention.




5. The lamp can be inserted into the lamp connecting seat


20


only when each of the two safety locking members


80


is exactly locked on the lamp holder


10


and the fixing seat


40


, thereby forming a double safety locking effect.




While the preferred embodiment(s) of the present invention has been shown and described, it will be apparent to those skilled in the art that various modifications may be made in the embodiment(s) without departing from the spirit of the present invention. Such modifications are all within the scope of the present invention.



Claims
  • 1. A separation device of a lamp holder and a fixing seat, comprising a lamp holder, a lamp connecting seat, an electrode, a fixing seat, and two safety locking members, wherein:the lamp holder has a closed end provided with a protruding guide column which has a periphery formed with two radially opposite locking portions and an orientation portion; the lamp connecting seat is mounted in the lamp holder; the electrode is mounted in the lamp holder; the fixing seat has a first end fixed on the closed end of the lamp holder, the first end of the fixing seat has a center formed with a guide hole for receiving the guide column of the lamp holder, the guide hole of the fixing seat has a wall formed with two radially opposite recessed guide portions for guiding a respective one of the two locking portions of the lamp holder, and formed with two radially opposite retaining rails each located beside a respective one of the two guide portions for retaining a respective one of the two locking portions of the lamp holder, the wall of the guide hole of the fixing seat is formed with an arcuate orientation slot for receiving the orientation portion of the lamp holder; and each of the two safety locking members is mounted between the lamp holder and the fixing seat, so that the lamp holder and the fixing seat are locked with each other, thereby integrally combining the lamp holder with the fixing seat.
  • 2. The separation device of a lamp holder and a fixing seat in accordance with claim 1, wherein the lamp holder has an inner wall formed with a receiving chamber for receiving the lamp connecting seat and the electrode.
  • 3. The separation device of a lamp holder and a fixing seat in accordance with claim 1, wherein the closed end of the lamp holder is formed with four fixing holes, the lamp connecting seat is provided with three connecting legs each formed with a second fixing hole, and the lamp holder includes three first fixing members each extended through a respective one of three of the four fixing holes of the lamp holder and each riveted in the second fixing hole of a respective one of the three connecting legs of the lamp connecting seat, thereby fixing the lamp connecting seat on the lamp holder.
  • 4. The separation device of a lamp holder and a fixing seat in accordance with claim 3, wherein the electrode has a connecting leg formed with a third fixing hole, and the lamp holder includes a second fixing member extended through the other one of the four fixing holes of the lamp holder and riveted in the third fixing hole of the connecting leg of the electrode, thereby fixing the electrode on the lamp holder.
  • 5. The separation device of a lamp holder and a fixing seat in accordance with claim 4, wherein the closed end of the lamp holder is provided with two protruding metallic conductive members each connected to one of two V-shaped elastic conductive plates mounted in the fixing seat, the three connecting legs of the lamp connecting seat are electrically connected to one of the two conductive members of the lamp holder, and the connecting leg of the electrode has a protruding conductive portion electrically connected to the other one of the two conductive members of the lamp holder.
  • 6. The separation device of a lamp holder and a fixing seat in accordance with claim 5, wherein the first end of the fixing seat has a periphery formed with two opposite passage holes for passage of two electric wires, and formed with two opposite receiving recesses, each of the two opposite receiving recesses is provided with a limit post, each of the two elastic conductive plates is mounted on the limit post of a respective one of the two opposite receiving recesses of the fixing seat, each of the two elastic conductive plates has a first end provided with a ring-shaped connecting portion connected to a respective one of the two electric wires, and a second end provided with an elastic locking portion connected to a respective one of the two metallic conductive members of the lamp holder.
  • 7. The separation device of a lamp holder and a fixing seat in accordance with claim 1, further comprising a cover plate mounted on the first end of the fixing seat, thereby preventing the elastic conductive plates from being exposed outward.
  • 8. The separation device of a lamp holder and a fixing seat in accordance with claim 7, wherein the cover plate is formed with a passage slot for passage of the guide column of the lamp holder.
  • 9. The separation device of a lamp holder and a fixing seat in accordance with claim 7, wherein the cover plate has a periphery provided with a plurality of protruding positioning portions secured on the fixing seat, so that the cover plate is integrally combined with the fixing seat.
  • 10. The separation device of a lamp holder and a fixing seat in accordance with claim 1, further comprising a fixing bracket secured on a second end of the fixing seat.
  • 11. The separation device of a lamp holder and a fixing seat in accordance with claim 10, wherein the fixing bracket has two bent ends each formed with a screw bore, so that each of two fixing bolts is in turn extended through the fixing seat and is screwed into the screw bore of the fixing bracket, thereby fixing the fixing bracket on the fixing seat.
  • 12. The separation device of a lamp holder and a fixing seat in accordance with claim 10, wherein the fixing bracket has a center formed with a threaded passage hole for passage of the electric wires.
  • 13. The separation device of a lamp holder and a fixing seat in accordance with claim 1, wherein the lamp holder has an outer wall formed with two radially opposite dovetail-shaped guide locking channels, the fixing seat has a periphery formed with two radially opposite dovetail-shaped recessed guide locking portions, and each of the two safety locking members has a dovetail-shaped cross-section and is locked in a respective one of the two dovetail-shaped guide locking channels of the lamp holder, and a respective one of the two dovetail-shaped guide locking portions of the fixing seat.
  • 14. The separation device of a lamp holder and a fixing seat in accordance with claim 13, wherein each of the two safety locking members has two sides each formed with an oblique locking portion.
  • 15. The separation device of a lamp holder and a fixing seat in accordance with claim 13, wherein each of the two guide locking channels of the lamp holder has a second wall formed with a limit slot, and each of the two safety locking members is provided with an elastic limit portion that is elastically locked in the limit slot of a respective one of the two guide locking channels of the lamp holder, so that each of the two safety locking members is locked in a respective one of the two guide locking channels of the lamp holder.
  • 16. The separation device of a lamp holder and a fixing seat in accordance with claim 1, wherein each of the two safety locking members has a surface provided with a serrated push portion.
  • 17. The separation device of a lamp holder and a fixing seat in accordance with claim 1, wherein further comprising a cover plate mounted on the first end of the fixing seat, wherein the cover plate has an outer wall formed with two radially opposite dovetail-shaped guide locking grooves, and each of the two safety locking members has a dovetail-shaped cross-section and is locked in a respective one of the two dovetail-shaped guide locking grooves of the cover plate.
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