TWI823180B - Wrench extender - Google Patents

Abstract

A wrench extender includes a connecting member and a limiting member. The connecting member is provided with a wrench connecting portion. The wrench connecting portion is provided with a front face, and a first side and a second side adjacent to the front face. The first side and the second side are respectively disposed on opposite sides of the front face. The wrench connecting portion is provided with a first buckling arm and a second buckling arm. The first buckling arm is arranged on the front face and adjacent to the first side. The second buckling arm is arranged on the front face and adjacent to the second side. The limiting member is arranged on the front face and located on the side of the second buckling arm opposite to the first buckling arm. When the wrench connecting portion is connected to a wrench, the limiting member can limit the position of the wrench. The extender can hold the wrench so that the wrench is not easy to detach due to force or shaking.

Description

wrench extension

The present invention mainly discloses a wrench extension rod, especially a wrench extension rod capable of fixing a wrench.

Please refer to the "Tool Grip" patent case of my country's Patent No. D189623, which is a tool grip. The two ends of the tool grip can be configured with wrench heads of different sizes or shapes, such as open-shaped or plum blossom-shaped.

However, the main advantage of the above tools is that they can provide two different driving methods. However, since the user's hand can only be held between the two ends of the tool during use, the length of the force arm is short, and the user needs to use other tools for assistance. However, due to the complex shape of the tool, the connection method of the auxiliary tool is limited, resulting in the auxiliary extension tool being unable to connect the above tools stably.

In view of the shortcomings of the above-mentioned conventional structures, the inventor of the present invention designed a wrench extension rod, which can overcome all the shortcomings of the above-mentioned conventional structures.

The main purpose of the wrench extension rod of the present invention is to provide an extension rod including a connecting piece and a limiting piece. The connecting piece is provided with a wrench connection part, and the wrench connection part is provided with a front face and a front face adjacent to the front face. A first side and a second side, the first side and the second side are respectively provided on two opposite sides of the front surface, the wrench connection part is provided with a first buckle arm and a second buckle arm, the third A fastening arm is provided on the front and adjacent to the first side, the second fastening arm is provided on the front and adjacent to the second side, and the limiting member is provided on the front and opposite to the second fastening arm. On one side of the first snap-on arm, when the wrench connection part is connected to a wrench, the limiter can limit the position of the wrench, and the extension rod can fix the wrench through the above structure, so that the wrench is not easy to fall due to force or shaking. .

The stopper is magnetic and can magnetically attract the wrench.

The wrench connection part is provided with a back surface opposite to the front surface. The wrench connection part is recessed with a receiving groove on the front surface. The receiving groove extends from the front surface to a direction adjacent to the back surface. The limiting member is disposed in the receiving chamber. inside the tank.

One end of the limiter is connected to the wrench connection part and the other end is provided with a clamping part. The clamping part does not contact the wrench connection part. The limiter is elastic, and the limiter can pass the elastic force and use the The clamping part clamps the wrench.

One end of the limiter connected to the wrench connection part is provided with a fixed part, the fixed part is connected to the back surface, and a connecting part is provided between the two ends of the limiter, and the connecting part is connected to the second side Adjacent to and connected with the clamping part and the fixed part.

The fixed part is connected with a locking piece, which passes through the fixed part and is connected to the back surface in a screw lock manner. The material of the limiting part is metal.

The fixed part is connected with a locking piece, which passes through the fixed part and is connected to the back side in a screw lock manner. The material of the limiting part is plastic.

The extension rod includes an extension piece, and the extension piece is pivoted on the connecting piece.

Other objects, advantages and novelty of the present invention will become more apparent from the following detailed description and the accompanying drawings.

Regarding the technologies, means and effects used in the present invention, six preferred embodiments are listed below and described in detail with drawings. These are for illustration only and are not limited by this structure in patent applications.

Referring to Figures 1 to 3, there are three-dimensional appearance views, three-dimensional exploded views and cross-sectional structural views of the first embodiment of the wrench extension rod of the present invention. The extension rod 10 of the present invention includes a connecting piece 20 and a limiting piece 30; wherein:

The connector 20 is provided with a wrench connection part 21. The wrench connection part 21 is provided with a front surface 211 and a first side 212 and a second side 213 adjacent to the front surface 211. The first side 212 and the second side The sides 213 are respectively provided on two opposite sides of the front surface 211. The wrench connection part 21 is provided with a first buckle arm 214 and a second buckle arm 215. The first buckle arm 214 is disposed on the front surface 211 and adjacent to the front surface 211. On the first side 212 , the second fastening arm 215 is disposed on the front surface 211 and adjacent to the second side 213 .

The limiter 30 is disposed on the front surface 211 and is located on the side of the second buckle arm 215 opposite to the first buckle arm 214. When the wrench connecting portion 21 is connected to a wrench, the limiter 30 can limit the movement of the wrench. Location.

The limiting member 30 has magnetism, and the limiting member 30 can magnetically attract the wrench.

The wrench connecting part 21 is provided with a back surface 216 opposite to the front surface 211. The wrench connecting part 21 is recessed with a receiving groove 217 on the front surface 211. The receiving groove 217 extends from the front surface 211 to a direction adjacent to the back surface 216. , the limiting member 30 is disposed in the groove 217 .

The extension rod 10 can fix the wrench through the above structure, so that the wrench is not easy to fall due to force or shaking.

Referring to FIGS. 4 to 6 , there are three-dimensional appearance views, three-dimensional exploded views and cross-sectional structural views of the second embodiment of the wrench extension rod of the present invention. The second embodiment of this case is roughly the same as the first embodiment. The main difference is that one end of the limiter 30a is connected to the wrench connection part 21a and the other end is provided with a clamping part 31a. The clamping part 31a does not contact The wrench connecting part 21a and the limiting part 30a are elastic, and the limiting part 30a can clamp the wrench through the elastic force with the clamping part 31a.

The limiter 30a is provided with a connecting portion 32a at one end connected to the wrench connecting portion 21a. The fixed portion 32a is connected to the back 216a. A connecting portion 33a is provided between the two ends of the limiter 30a. The connecting portion 33a is adjacent to the second side 213a and connects the clamping portion 31a and the fixing portion 32a.

The fixed part 32a is connected to a locking part 321a. The locking part 321a passes through the fixed part 32a and is connected to the back 216a in a screw locking manner. The limiting part 30a is made of metal in this embodiment. .

Referring to FIGS. 7 to 9 , there are three-dimensional appearance views, three-dimensional exploded views and cross-sectional structural views of the third embodiment of the wrench extension rod of the present invention. The third embodiment of this case is roughly the same as the second embodiment. The main difference is that the fixed part 32b is connected to a locking piece 321b. The locking piece 321b passes through the fixed part 32b and is connected to the fixed part 32b in a screw lock manner. The back surface 216b and the limiting member 30b are made of plastic in this embodiment.

Refer to Figure 10, which is a three-dimensional appearance view of the fourth embodiment of the wrench extension rod of the present invention. The fourth embodiment of this case is substantially the same as the first embodiment. The main difference is that the extension rod 10c includes an extension piece 40c, and the extension piece 40c is pivoted on the connecting piece 20c.

Refer to Figure 11, which is a three-dimensional appearance view of the fifth embodiment of the wrench extension rod of the present invention. The fifth embodiment of this case is substantially the same as the second embodiment. The main difference is that the extension rod 10d includes an extension piece 40d, and the extension piece 40d is pivoted on the connecting piece 20d.

Refer to Figure 12, which is a perspective view of a sixth embodiment of a wrench extension rod according to the present invention. The sixth embodiment of this case is substantially the same as the third embodiment, and the main difference is that the extension rod 10e includes an extension piece 40e, and the extension piece 40e is pivoted on the connecting piece 20e.

From the above, it can be concluded that the present invention has the following advantages:

1. It is a wrench extension rod of the present invention, wherein the extension rod includes a connecting piece and a limiting piece. The connecting piece is provided with a wrench connection part. The wrench connection part is provided with a front face and a first first end adjacent to the front face. side and a second side, the first side and the second side are respectively provided on two opposite sides of the front surface, the wrench connection part is provided with a first buckle arm and a second buckle arm, the first buckle arm The arm is disposed on the front and adjacent to the first side, the second buckling arm is disposed on the front and adjacent to the second side, and the limiting member is disposed on the front and located opposite to the first On one side of the buckling arm, when the wrench connecting portion is connected to a wrench, the limiter can limit the position of the wrench. The extension rod can fix the wrench through the above structure, so that the wrench is not easily dropped due to force or shaking.

However, the above are only preferred embodiments of the present invention, and should not be used to limit the scope of the present invention. Therefore, any changes in numerical values or replacement of equivalent elements, or equivalence according to the patent scope of the present invention, are mentioned. Changes and modifications should still fall within the scope of the patent of the present invention.

10:Extension rod 20: Connectors 21: Wrench connection part 211:front 212: First side 213: Second side 214:First fastening arm 215:Second fastening arm 216:Back 217:Tank 30:Limiting piece 21a: Wrench connection part 213a: Second side 216a: Back 30a: Limiting parts 31a: Clamping part 32a: Fixed part 321a: Locking parts 33a: Interface Department 216b: Back 30b: Limiting parts 32b: Fixed part 321b: Locking parts 10c: extension rod 20c: Connector 40c: Extension piece 10d: extension rod 20d: Connector 40d: Extension piece 10e:Extension rod 20e: Connector 40e: extension

Figure 1: is a three-dimensional appearance view of the first embodiment of the wrench extension rod of the present invention. Figure 2 is an exploded perspective view of the first embodiment of the wrench extension rod of the present invention. Figure 3 is a cross-sectional structural view of the first embodiment of the wrench extension rod of the present invention. Figure 4 is a three-dimensional appearance view of the second embodiment of the wrench extension rod of the present invention. Figure 5 is an exploded perspective view of the second embodiment of the wrench extension rod of the present invention. Figure 6 is a cross-sectional structural view of the second embodiment of the wrench extension rod of the present invention. Figure 7 is a three-dimensional appearance view of the third embodiment of the wrench extension rod of the present invention. Figure 8 is an exploded perspective view of the third embodiment of the wrench extension rod of the present invention. Figure 9 is a cross-sectional structural view of the third embodiment of the wrench extension rod of the present invention. Figure 10 is a three-dimensional appearance view of the fourth embodiment of the wrench extension rod of the present invention. Figure 11 is a three-dimensional appearance view of the fifth embodiment of the wrench extension rod of the present invention. Figure 12 is a three-dimensional appearance view of the sixth embodiment of the wrench extension rod of the present invention.

10:Extension rod

20: Connectors

21: Wrench connection part

211:front

212: First side

214:First fastening arm

215:Second fastening arm

30:Limiting piece

Claims (8)

A wrench extension rod includes: A connector, the connector is provided with a wrench connection part, the wrench connection part is provided with a front face and a first side and a second side adjacent to the front face, the first side and the second side are respectively provided on On opposite sides of the front, the wrench connection portion is provided with a first buckle arm and a second buckle arm. The first buckle arm is disposed on the front and adjacent to the first side. The second buckle arm is disposed on the front and adjacent to the second side; A limiter, the limiter is provided on the front and is located on the side of the second buckle arm opposite to the first buckle arm. When the wrench connection part is connected to the wrench, the limiter can limit the position of the wrench. . The wrench extension rod according to claim 1, wherein the limiting member is magnetic and can magnetically attract the wrench. The wrench extension rod according to claim 2, wherein the wrench connecting portion is provided with a back surface opposite to the front surface, and the wrench connecting portion is recessed with a receiving groove on the front surface, and the receiving groove extends from the front surface to adjacent to the back surface. extends in the direction, and the limiting member is arranged in the groove. The wrench extension rod according to claim 1, wherein one end of the limiter is connected to the wrench connection part and the other end is provided with a clamping part, the clamping part does not contact the wrench connection part, and the limiter has Elastic, the stopper can pass through the elastic force and clamp the wrench with the clamping part. The wrench extension rod according to claim 4, wherein one end of the limiter connected to the wrench connection part is provided with a fixed part, the fixed part is connected to the back surface, and a fixed part is provided between the two ends of the limiter. A connecting part is adjacent to the second side and connects the clamping part and the fixed part. The wrench extension rod according to claim 5, wherein the fixed part is connected with a locking part, the locking part passes through the fixed part and is connected to the back surface in a screw locking manner, and the material of the limiting part is metal. The wrench extension rod according to claim 5, wherein the fixed part is connected with a locking part, the locking part passes through the fixed part and is connected to the back surface in a screw locking manner, and the material of the limiting part is plastic. The wrench extension rod according to any one of claims 1 to 7, wherein the extension rod includes an extension piece, and the extension piece is pivoted on the connecting piece.

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