TECHNICAL FIELD
The present invention relates to connector ports having a fluid-tight structure that function as connection ports for connectors such as USB connectors provided in electronic devices such as a control device and a touch panel display.
BACKGROUND ART
In the past, there is a battery cover structure that protects a battery housing provided in the inside of an electronic device while allowing the battery housing to freely open and close and keeps the battery housing in a water-tight state with respect to the outside. The battery cover includes a sealing section that is pivotably supported with respect to the electronic device and seals the battery housing in a closed position of the battery cover and a battery cover member that is slidably attached to the sealing section on the outer side of the sealing section, seals the battery housing in the closed position, and engages in a part of the electronic device according to the slide (See, for example, Patent Document 1).
Patent Document 1: Japanese Patent Application Laid-Open No. 2003-142841
DISCLOSURE OF INVENTION
Problem to be Solved by the Invention
However, according to the technology in the past, the battery cover includes a plurality of members. The number of members is large and a sliding mechanism is complicated. The battery cover can be attached to only a corner of the electronic device and cannot be attached to a plane section.
The present invention has been devised in view of the above and it is an object of the present invention to obtain a connector port that is simple in structure and high in liquid tightness and can be set on a plane section of a housing of an electronic device.
Means for Solving Problem
Effect Of The Invention
The connector port according to the present invention realizes an effect that the connector port is simple in structure, high in liquid tightness, and convenient for use.
BRIEF DESCRIPTION OF DRAWINGS
FIG. 1 is a perspective view of a part of a display of a control board in which a connector port according to the present invention is provided.
FIG. 2 is a front view of the connector port of a first embodiment according to the present invention.
FIG. 3 is a longitudinal sectional view taken along line A-A shown in FIG. 2.
FIG. 4 is a cross sectional view taken along line B-B shown in FIG. 2.
FIG. 5 is a longitudinal sectional view of the connector port in a state in which an opening/closing cover is fully opened.
FIG. 6 is an enlarged view of a C section shown in FIG. 5.
FIG. 7 is a front perspective view of an attaching plate.
FIG. 8 is a rear perspective view of the attaching plate.
FIG. 9 is a perspective view of a state in which the opening/closing cover is screwed to a connector holding section.
FIG. 10 is a longitudinal sectional view of a comparative example with respect to a hole section and a U-shaped plate section in the first embodiment.
FIG. 11 is a longitudinal sectional view of a knob section in a second embodiment of the connector port according to the present invention.
FIG. 12 is a perspective view of a connector locking plate in a third embodiment of the connector port according to the present invention.
FIG. 13 is a perspective view of a connector locking plate in a fourth embodiment of the connector port according to the present invention.
FIG. 14 is a perspective view of a connector locking plate in a fifth embodiment of the connector port according to the present invention.
EXPLANATIONS OF LETTERS OR NUMERALS
10 connector port
20 display
21 housing
22, 22a connector openings
23 connector holding section
23
a corner
23
b drain grooves
23
c hole section
23
d sidewall
23
e recess
23
f sidewall
23
k engaging sections (holes)
23
m hollow
30 opening/closing cover
31 flat head screw
31 attaching section
32
a supporting section
32
b attaching plate
32
f taper screw washer
32
g screw through-hole
32
h slit
32
j locking sections (projections)
33 cover section
33
a proximal end
33
b distal end
33
c rear end
33
f side flanges
34 elastically deforming section (U-shaped plate section)
34
a proximal plate section
34
b distal plate section
34
c knob section
34
d projection
35 annular packing (packing)
37, 37B, 37C connector locking plates
37
x bifurcated section
37
y locking hole
37
z cutout section
40 connector
41 cord
41
a base section
BEST MODE(S) FOR CARRYING OUT THE INVENTION
Embodiments of a connector port according to the present invention are explained in detail below with reference to the drawings. The present invention is not limited by the embodiments.
First Embodiment.
FIG. 1 is a perspective view of a part of a display of a control board in which a connector port according to the present invention is provided, FIG. 2 is a front view of a first embodiment of the connector port according to the present invention, FIG. 3 is a longitudinal sectional view taken along line A-A shown in FIG. 2, FIG. 4 is a cross sectional view taken along line B-B shown in FIG. 2, FIG. 5 is a longitudinal sectional view of the connector port in a state in which an opening/closing cover is fully opened, FIG. 6 is an enlarged view of a C section shown in FIG. 5, FIG. 7 is a front perspective view of an attaching plate 32, FIG. 8 is a rear perspective view of the attaching plate 32, FIG. 9 is a perspective view of a state in which an opening/closing cover 30 is screwed to a connector holding section 23, and FIG. 10 is a longitudinal sectional view of a comparative example with respect to a hole section 23c and a U-shaped plate section 34 in the first embodiment.
As shown in FIG. 1, a connector port 10 according to the first embodiment is provided on the outer surface of a housing 21 of a touch panel display 20 of a control board as an electronic device. The connector port 10 according to the present invention can be used not only for the display 20 but also for various electronic devices required to have liquid tightness.
As shown in FIGS. 2 and 3, the connector port 10 includes a connector holding section 23 that is formed in the housing 21 and has connector openings 22 and 22a and an opening/closing cover 30 that is attached to the connector holding section 23 and opens and closes the openings 22 and 22a.
The opening/closing cover 30 includes an attaching section 32 that is screwed to the connector holding section 23 by a flat head screw 31, a rectangular flat cover section 33 that is pivotably supported at a proximal end 33a thereof by the attaching section 32 and opens and closes the connector openings 22 and 22a, and an elastically deforming section 34 that is provided at a distal end 33b of the cover section 33 and elastically deforms and engages in the connector holding section 23 to cause the cover section 33 to seal the connector openings 22 and 22a.
As shown in FIGS. 3 and 9, an annular packing 35 made of elastomer is fixedly attached to the rear surface of the cover section 33. The annular packing 35 is sandwiched between the cover section 33 and the connector holding section 23 and surrounds the connector openings 22 and 22a to liquid-tightly seal the connector openings 22 and 22a.
The annular packing 35 has a shape obtained by forming an annular packing on the outer periphery of a rectangular elastomer flat plate. The cover section 33 made of resin and the annular packing 35 are integrally molded by different material simultaneous molding. The annular packing 35 can be held by the connector holding section 23. The connector openings 22 and 22a can be liquid-tightly sealed by the packing 35.
As shown in FIGS. 3 and 4, the connector holding section 23 is formed as a rectangular recess on the outer surface of the housing 21. In the connector holding section 23, the opening/closing cover 30 is housed in the recess and the outer surface of the housing 21 and the outer surface of the cover section 33 are substantially flush with each other. Therefore, when a touch panel of the display 20 is operated, the cover section 33 is not an obstacle.
As shown in FIGS. 5 and 6, when the cover section 33 is fully opened by an angle equal to or larger than 90° and the outer surface of the cover section 33 comes into contact with a corner 23a of the connector holding section 23 (the recess), a rear end 33c of the cover section 33 cones into contact with the rear end of the attaching section 32. Therefore, even if unnatural force for further opening the cover section 33 is applied thereto, the force is not applied to a supporting section 32a explained later. Breakage of the supporting section 32a can be prevented.
As shown in FIG. 4, drain grooves 23b extending over the entire length of the recess are formed on both sides of the recess of the connector holding section 23. By providing the drain grooves 23b, machine oil or the like scattering from a machine tool or the like and intruding into the recess from the outer peripheral edge of the cover section 33 is discharged to the outside of the recess through the drain grooves 23b. Therefore, the oil or the like is not held up in the recess. When the cover section 33 is opened, the oil or the like does not intrude into the connector.
As shown in FIGS. 3 and 5, the elastically deforming section 34 is formed as a U-shaped plate section 34 including a proximal plate section 34a that bends at a substantially right angle and extends from a distal end 35 of the cover section 33 and a distal plate section 34b that bends and extends to make a U-turn from the proximal plate section 34a and engages in the connector holding section 23 to be compressed and bent to be deformed. The thickness of the proximal plate section 34a is formed larger than the thickness of the distal plate section 34b.
The hole section 23c into which the U-shaped plate section 34 is inserted is formed in the connector holding section 23. The hole section 23c is arranged such that the proximal plate section 34a of the U-shaped plate section 34 comes into contact with a sidewall 23d of the hole section 23c when the U-shaped plate section 34 is inserted into the hole section 23c.
A comparative example with respect to the hole section 23c and the U-shaped plate section 34 in the first embodiment shown in FIG. 3 is shown in FIG. 10. As shown in FIG. 10, the thickness of the proximal plate section 34a and the distal plate section 34b are set the same. The hole section 23c is arranged such that the proximal plate section 34a of the U-shaped plate section 34 does not come into contact with the sidewall 23d of the hole section 23c when the U-shaped plate section 34 is inserted into the hole section 23c. Then, the proximal plate section 34a is bent to be deformed to the proximal end 33a side. Force in an arrow D direction (a direction in which the cover section 33 opens) acts on the cover section 33 because of the bending deformation of the proximal plate section 34a and the packing 35 rises. The connector openings 22 and 22a cannot be sealed.
In the first embodiment, as explained above, the thickness of the proximal plate section 34a is formed larger than the thickness of the distal plate section 34b. The proximal plate section 34a of the U-shaped plate section 34 comes into contact with the sidewall 23d of the hole section 23c when the U-shaped plate section 34 is inserted into the hole section 23c. Therefore, the packing 35 does not rise and the connector openings 22 and 22a can be sealed.
As shown in FIG. 3, a knob section 34c that bends at a substantially right angle and extends from the distal plate section 34b is provided at the distal end of the distal plate section 34b. A shallow recess 23e is formed in the connector holding section 23 near the knob section 34c. A projection 34d that engages in a hollow formed in a sidewall 23f of the hole section 23c is provided in an intermediate section of the distal plate section 34b.
When a user inserts a fingertip into the recess 23e, pinches the knob section 34c, and presses the distal plate section 34b to compress and bend to deform the distal plate section 34b, the projection 34d slips out of the hollow. If the user pulls the knob section 34c to the outer side from that state and draws out the U-shaped plate section 34 from the hole section 23c, the user can open the cover section 33 and insert a not-shown male connector into a not-shown female connector.
As shown in FIGS. 3 to 9, the attaching section 32 of the opening/closing cover 30 includes an attaching plate 32b in which a taper screw washer 32f and a screw through-hole 32g for a flat head screw are formed and the supporting section 32a provided at an edge of the attaching plate 32b. A slit 32h extending from the center of the supporting section 32a to the screw through-hole 32g is formed.
When the taper screw washer 32f is tightened to the flat head screw 31, the attaching plate 32b is widened by a wedge action of the flat head screw 31 and brought into press contact with side flanges 33f of the cover section 33. Frictional force is generated between the attaching plate 32b and the side flanges 33f. The cover section 33 is held in a position to which the cover section 33 is opened by the frictional force. Therefore, when the user inserts the male connector with one hand, the user does not need to hold the cover section 33 in an open state with the other hand.
As shown in FIGS. 4, 8, and 9, locking sections (projections having a diameter smaller than the diameter of engaging sections (holes) 23k formed in the connector holding section 23) 32j are provided on the attaching plate 32b on both sides of the slit 32h. The locking sections 32j engage in the holes 23k, position the attaching plate 32b in the connector holding section 23, and regulate a widening amount of the attaching plate 32b.
As explained above, when the taper screw washer 32f is tightened to the flat head screw 31, the attaching plate 32b is widened by the wedge action of the flat head screw 31 and brought into press contact with the side flanges 33f of the cover section 33. At this point, the projections 32j come into contact with the sidewalls of the holes 23k and regulate the widening amount of the attaching plate 32b.
Second Embodiment.
FIG. 11 is a longitudinal sectional view of a knob section in a second embodiment of the connector port according to the present invention. The connector port 10 according to the second embodiment is different from the connector port 10 according to the first embodiment only in the knob section 34c. Therefore, the knob section 34c and the sections related thereto are explained and explanation of the other sections is omitted.
As shown in FIG. 11, the knob section 34c in the second embodiment that bends at a substantially right angle and extends from the distal plate section 34b is provided at the distal end of the distal plate section 34b. The knob section 34c in the second embodiment is made of elastomer and formed in length substantially the same as the length of the shallow recess 23e of the connector holding section 23. A hollow 23m having a curved bottom is formed in the recess 23e in a region, which is close to the distal plate section 34b, covered by the knob section 34c.
When a user presses the knob section 34c on the hollow 23m with the index finger, a pressed section is dented and the distal end rises. When the user pinches the distal end of the risen knob section with the index finger and the thumb and presses the distal plate section 34b to compress and bend to deform the distal plate section 34b, the projection 34d slips out of the hollow. If the user pulls the knob section 34c to the outer side from that state and draws out the U-shaped plate section 34 from the hole section 23c, the user can open the cover section 33 and insert a not-shown male connector into a not-shown female connector.
With the knob section 34c in the second embodiment, it is easy to pinch the knob section 34c and the recess 23e is closed by the knob section 34c. Therefore, foreign matters and oil are not held up in the recess 23e. The connector port 10 is clean and excellent in appearance.
Third Embodiment.
FIG. 12 is a perspective view of a connector locking plate in a third embodiment of the connector port according to the present invention. The connector port 10 according to the third embodiment is different from the connector port 10 according to the first embodiment only in that a connector locking plate 37 is provided. Therefore, the connector locking plate 37 and sections related thereto are explained and explanation of the other sections is omitted.
As shown in FIG. 12, the connector locking plate 37 having rigidity is provided on the rear side of the cover section 33 of the opening/closing cover 30. The connector locking plate 37 prevents a connector 40 inserted into the connector opening 22 from slipping off. The proximal end of the connector locking plate 37 is attached to a hinge 38 provided on the rear side of the cover section 33. The distal end thereof forms a bifurcated section 37x that clamps a base section 41a of a cord 41 connected to the connector 40 and locks the connector 40.
When the cover section 33 is closed, the connector locking plate 37 is folded to the rear side of the cover section 33 by the hinge 38. When the cover section 33 is opened and the connector 40 is inserted, as shown in FIG. 12, the connector locking plate 37 is raised to clamp the base section 41a with the bifurcated section 37x. At this point, the connector locking plate 37 is locked by the hinge 38 to prevent the connector 40 from slipping off.
Fourth Embodiment.
FIG. 13 is a perspective view of a connector locking plate in a fourth embodiment of the connector port according to the present invention. As shown in FIG. 13, a connector locking plate 37B is integrally molded with the packing 35, which is fixedly attached to the rear surface of the cover section 33, by elastomer. A locking hole 37y through which the connector 40 is inserted to hold the base section 41a of the cord 41 and lock the connector 40 is formed in the connector locking plate 37B.
When the cover section 33 is closed, the connector locking plate 37B is easily bent and folded to the rear side of the cover section 33. When the cover section 33 is opened and the connector 40 is inserted, as shown in FIG. 13, the connector locking plate 37B rises with elasticity, stretches the locking hole 37y to have the connector 40 inserted therein, and holds the base section 41a of the cord 41 to lock the connector 40.
Fifth Embodiment.
FIG. 14 is a perspective view of a connector locking plate in a fifth embodiment of the connector port according to the present invention. As shown in FIG. 14, a connector locking plate 37C is integrally molded with the packing 35, which is fixedly attached to the rear surface of the cover section 33, by elastomer. The locking hole 37y that holds the base section 41a of the cord 41 is formed in the connector locking plate 37C. A cutout section 37z is provided on the outer periphery of the locking hole 37y. The cutout section 37z can be provided on a lower side of the locking hole 37y or can be provided on the right side or the left side of the locking hole 37y.
When the cover section 33 is closed, the connector locking plate 37C is easily bent and folded to the rear side of the cover section 33. When the cover section 33 is opened and the connector 40 is inserted, as shown in FIG. 14, the connector locking plate 37C rises with elasticity, opens the locking hole 37y from the cutout section 37z, and clamps to hold the base section 41a of the cord 41 to lock the connector 40.
Industrial Applicability
As explained above, the connector port according to the present invent ion is useful as a connector port provided in a display.
Patent Grant
8419459
