Patent Application
20220305638
The technical field relates to a hand tool, and more particularly relates to a hand tool with an insulation handle.
Hand tools are one of the necessary tools in telecommunications maintenance or building service works. For related-art hand tools, taking the screwdriver as an example, the structure of the screwdriver is provided with an insulation handle on the rear end of a metal rod, and the steel balls are disposed in the insulation handle for positioning the metal rod. Therefore, the metal rod in the insulation handle can be replaced, so that the front end of the metal rod may be used for locking or loosing operations.
However, when the screwdriver is using, especially in a high-voltage environment, the current is easily to be conducted from the metal rod to the handle. That may cause users to get an electric shock when holding the handle, and cause physical harm to users.
In view of the above drawbacks, the inventor proposes this disclosure based on his expert knowledge and elaborate researches in order to solve the problems of related art.
One object of this disclosure is to provide a hand tool with an insulation handle. The end plug has proper insulation property to ensure the insulation effect between the tool rod and the handle, so that the current may not be conducted from the tool rod to the handle to increase the safety during usage.
In order to achieve the object mentioned above, this disclosure provides a hand tool with an insulation handle including a handle, a tool rod and an end plug. The handle has an insulation material, and further has a hollow portion and an embedding groove communicated with the hollow portion and located on a front end of the handle. The tool rod includes a shaft having a rear end and a front end located oppositely. The end plug has the insulation material. The end plug includes a clamping section combined in the embedding groove and an abutting section attached to the tool rod. The rear end of the shaft is positioned in the end plug through snapping the clamping section, the tool rod is replaceablely inserted in the hollow portion of the handle and protrudes from the handle.
Comparing to the related art, the hand tool of this disclosure includes a handle, a tool rod and an end plug. The tool rod includes a shaft, and the tool rod is positioned through snapping the clamping section of the end plug, so as to replace the related-art hand tools of utilizing steel balls for positioning the tool rod. Therefore, the tool rod is replaceably positioned in the end plug and combined to the handle. Since the insulating sleeve and the end plug both have proper insulation property, the insulation effect between the tool rod and the handle may be ensured, so that the current may not be conducted to the handle when the tool rod is in contact with the high current, and the safety of usage is enhanced.
The features of the disclosure believed to be novel are set forth with particularity in the appended claims. The disclosure itself, however, may be best understood by reference to the following detailed description of the disclosure, which describes a number of exemplary embodiments of the disclosure, taken in conjunction with the accompanying drawings, in which:
The technical contents of this disclosure will become apparent with the detailed description of embodiments accompanied with the illustration of related drawings as follows. It is intended that the embodiments and drawings disclosed herein are to be considered illustrative rather than restrictive.
Please refer to
The handle 10 is made of an insulation material and has insulation property. The handle 10 is formed with a hollow portion 11 and an embedding groove 12, and the embedding groove 12 is communicated with the hollow portion 11 and located on a front end 101 of the handle 10.
The tool rod 20 includes a shaft 21 and an insulating sleeve 22. In some embodiments, the shaft 21 and the insulating sleeve 22 are integrally formed. The shaft 21 has a rear end 211 and a front end 212 located oppositely. The rear end 211 of the shaft 21 is covered by the insulating sleeve 22 and the front end 212 of the shaft 21 is exposed from the insulating sleeve 22, and an outer surface of the insulating sleeve 22 is provided with a plurality of detent grooves 221.
It is worth noticing that the tool rod 20 may not be provided with the insulating sleeve 22. In some embodiments, the tool rod 20 may be a metal rod in one-piece form, and a plurality of detent grooves or protrusions or other positioning structures are directly disposed on the end of the metal rod.
The end plug 30 is made of the insulation material and has insulation property. The end plug 30 includes a clamping section 31 combined in the embedding groove 12 and an abutting section 32 attached to the tool rod 20. The clamping section 31 includes a plurality of elastic arms 311 arranged spacedly and a plurality of protrusions 312 connected to the elastic arms 311. Moreover, the protrusions 312 have a plurality of detent blocks 313. In the present embodiment, the tool rod 20 is positioned by the end plug 30 positions through the detent blocks 313 snapping (or engaging) the detent grooves 221 of the insulating sleeve 22 (refer to
Specifically, one end 102 of the handle 10 is formed with an insertion opening 100. The abutting section 32 includes a cap 321 and a plurality of ribs 322 formed on a bottom of the cap 321. The cap 321 is attached to the end 102, and the ribs 322 abut against the surface of the insertion opening 100. In one of the exemplary embodiments, the end 102 of the handle 10 has a plurality of anti-slip parts 103 (see
In the present embodiment, the insertion opening 100 is configured of a hexagonal shape, and the ribs 322 are arranged in a hexagonal shape corresponding to the shape of the insertion opening 100. Furthermore, the hollow portion 11 of the handle 10 is configured in a shape of a hexagonal prism, and the rear end 211 of the shaft 21 and the insulating sleeve 22 are configured respectively in a shape of a hexagonal prism corresponding to the hollow portion 11.
Please further refer to
In the present embodiment, the elastic arms 311 and the protrusions 312 are arranged collectively in the ring shape, and an outer diameter of the ring shape of the protrusions 312 is greater than an outer diameter of the ring shape of the elastic arms 311 and smaller than an outer diameter of the cap 321.
Please further refer to
Specifically, the embedding groove 12 includes a positioning portion 121 and a concave portion 122. The abutting section 32 of the end plug 30 abuts against the positioning portion 121, and the cap 321 is attached to the end 102 of the handle 10. Additionally, the clamping section 31 has a plurality of hooks 314, and the hooks 314 abut against the concave portion 122.
In the present embodiment, the clamping section 31 has a plurality of protrusions 312, and top edges of the protrusions 312 are formed with hooks 314. The hooks 314 abut against the concave portion 122. Therefore, the end plug 30 may not be detached from the embedding groove 12 and is combined to the front end 101 of the handle 10.
It should be noted that the arrangement of the concave portion 122 may be used as the elastic deformation space for the protrusions 312, so that the protrusions 312 may be elastically deformed to clamp the shaft 21. On the other hand, an external force is applied for pulling the tool rod 20 out of the handle 10 when the tool rod 20 is replacing. At the time, the protrusions 312 may be elastically deformed outwardly so that the shaft 21 is released from the clamping of the protrusions 312, and the replacement of the tool rod 20 is performed.
Please further refer
It should be noted that the tool rod 20 is positioned by the O-ring 40 and the detent grooves 221 of the insulating sleeve 22 being snapped with each other, and users may choose another form of tool rod 20 for replacement.
While this disclosure has been described by means of specific embodiments, numerous modifications and variations could be made thereto by those skilled in the art without departing from the scope and spirit of this disclosure set forth in the claims.
