Connection structure connected between wrench head of torque wrench and socket

Abstract

A connection structure is connected between a wrench head of a torque wrench and a socket, and the connection structure contains: a body, a casing, and two positioning members. The body includes a coupling section, a driving section, an extension defined between the coupling section and the driving section, and two bolts oppositely inserted into the body from an outer wall of the coupling section. The casing includes a first part, a second part, and two accommodation grooves respectively defined on two inner walls of the first part and the second part and located adjacent to the coupling section. Each of the two positioning members is housed in each of the two accommodation grooves, wherein each positioning member includes multiple toothed projections arranged on an inner wall thereof and abutting against each of the two bolts.

Claims

1. A connection structure being connected between a wrench head of a torque wrench and a socket, and the connection structure comprising: a body, a casing, and two positioning members; the body including a coupling section configured to connect with a torque wrench, a driving section configured to connect with a socket, an extension defined between the coupling section and the driving section, and two bolts oppositely inserted into the body from an outer wall of the coupling section; the casing including a first part and a second part which are connected together and cover the body, and the casing being rotatably fitted onto the extension of the body; the casing also including two accommodation grooves respectively defined on two inner walls of the first part and the second part and located adjacent to the coupling section; each of the two positioning members being arcuate and being made of plastic material, and each positioning member being housed in each of the two accommodation grooves, wherein each positioning member includes multiple toothed projections arranged on an inner wall thereof and abutting against each of the two bolts.

2. The connection structure as claimed in claim 1, wherein each accommodation groove has two locking tabs respectively arranged on two ends thereof, and each positioning member further includes two hooking portions individually formed on two ends thereof so as to hook with the two locking tabs of each accommodation groove respectively.

3. The connection structure as claimed in claim 1, wherein the casing further includes a digital display unit configured to display a torque value.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0014] FIG. 1 is a perspective view showing the assembly of a connection structure according to a preferred embodiment of the present invention.

[0015] FIG. 2 is a perspective view showing the exploded components of the connection structure according to the preferred embodiment of the present invention.

[0016] FIG. 3 is a cross sectional view showing the operation of the connection structure according to the preferred embodiment of the present invention.

[0017] FIG. 4 is another cross sectional view showing the operation of the connection structure according to the preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] With reference to FIGS. 1-4, a connection structure according to a preferred embodiment of the present invention is connected between a wrench head of a torque wrench and a socket, and the connection structure comprises: a body 1, a casing 2, and two positioning members 3.

[0019] The body 1 includes a coupling section 11 configured to connect with a torque wrench, a driving section 12 configured to connect with a socket, an extension 13 defined between the coupling section 11 and the driving section 12, and two bolts 14 oppositely inserted into the body 1 from an outer wall of the coupling section 11.

[0020] The casing 2 includes a first part 21 and a second part 22 which are connected together and cover the body 1, and the casing 2 is rotatably fitted onto the extension 13 of the body 1. The casing 12 also includes two accommodation grooves 23 respectively defined on two inner walls of the first part 21 and the second part 22 and located adjacent to the coupling section 11. The casing 2 further includes a digital display unit 24 configured to display a torque value.

[0021] Each of the two positioning members 3 is arcuate and is made of plastic material, and each positioning member 3 is housed in each of the two accommodation grooves 23. Each positioning member 3 includes multiple toothed projections 31 arranged on an inner wall thereof and abutting against each of the two bolts 14.

[0022] A strain gauge and an electric circuit, which are configured to detect an operation torque, are not shown in FIGS. 1-4, and their further remarks are omitted due to the torque wrench is a well-known prior art.

[0023] The casing 2 is rotated relative to the body 1 so as to judge the torque value, when the body 1 revolves. As illustrated in FIGS. 3 and 4, each bolt 14 moves among the multiple toothed projections 31 and abuts against one of the multiple toothed projections 31, after the casing 2 stops rotation.

[0024] Each accommodation groove 23 has two locking tabs 231 respectively arranged on two ends thereof, and each positioning member 3 further includes two hooking portions 32 individually formed on two ends thereof so as to hook with the two locking tabs 231 of each accommodation groove 23 respectively, such that each positioning member 3 is mounted in each accommodation groove 23 securely, when the casing 2 is rotated.

[0025] The casing 2 further includes a tire pressure detector 25 fixed on one side of the casing 2 so that the tire pressure detector 25 measures a tire pressure, after replacing a tire.

[0026] Accordingly, the casing is rotated relative to the body so as to adjust a viewing angle of the torque display unit after operating the torque wrench, and the user views the torque value of the operation torque exactly and quickly.

[0027] While the preferred embodiments of the invention have been set forth for the purpose of disclosure, modifications of the disclosed embodiments of the invention as well as other embodiments thereof may occur to those skilled in the art. Accordingly, the appended claims are intended to cover all embodiments which do not depart from the spirit and scope of the invention.