Tightening shaft dismounting wrench

Abstract

The utility model discloses a tightening shaft dismounting wrench which is characterized in that the tightening shaft dismounting wrench comprises a wrench body, the middle of the wrench body is a C-shaped part, the two ends of the C-shaped part are connected with a first handle part and a second handle part respectively, and first positioning pins are arranged on the opposite end faces of the first handle part and the second handle part; a movable rod is arranged on the second handle part in a floating mode, a second positioning pin opposite to the first positioning pin is arranged on the movable rod, and the second positioning pin and the first positioning pin are coaxially arranged. The tightening shaft dismounting device has the advantages of being simple in structure, convenient to operate, time-saving, labor-saving and suitable for dismounting tightening shafts of various specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tool field, concretely relates to a tightening shaft dismounting wrench. BACKGROUND

[0002] The automobile assembly line is used for assembling automobile wheels and other components to the automobile frame, so that screws at different positions need to be tightened, and a tightening machine is needed to tighten the bolts, the tightening shaft of the tightening machine needs to be replaced, and the operation is inconvenient, and there is no special tool, so that two or three people need to cooperate to complete the operation, and the operation is complicated, and it is time-consuming and labor-consuming in the adjusting and dismounting process. SUMMARY

[0003] In view of the above deficiencies in the prior art, the utility model provides a tightening shaft dismounting wrench, which is simple in structure, suitable for tightening shaft dismounting, suitable for various specifications, time-saving and labor-saving.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A tightening shaft dismounting wrench, characterized in that: comprising a wrench body, the middle part of the wrench body is a C-shaped part, the two ends of the C-shaped part are connected with a first handle part and a second handle part respectively, the opposite end faces of the first handle part and the second handle part are provided with a first positioning pin, a movable rod is movably arranged on the second handle part, a second positioning pin opposite to the first positioning pin is arranged on the movable rod, and the second positioning pin and the first positioning pin are coaxially arranged.

[0006] Further, the second handle part has a movable cavity, the movable rod is slidingly matched and arranged in the movable cavity, a spring is arranged in the movable cavity, an end of the second handle is provided with a spring limiting plug, the two ends of the spring are limited between the end of the movable rod and the spring limiting plug, a pull rod extending out of the outside of the spring limiting plug is arranged on the movable rod, and a limiting block is arranged at the end of the pull rod.

[0007] Further, the first positioning pin is detachably arranged on the end face of the first handle part, the end face of the first handle part has a first positioning pin embedding groove, and the side face of the first handle part is provided with a first fastening screw for locking the first positioning pin.

[0008] The utility model has the advantages of simple structure, convenient operation, time-saving and labor-saving, and can be used for dismounting tightening shafts of various specifications. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0010] The utility model discloses further in detail below in combination with specific embodiments and drawings.

[0011] A kind of as Figure 1 The wrench of tightening shaft dismounting shown in the drawing, including wrench body 1, the middle part of wrench body 1 is C type part 2.C type part 2 two ends are connected first handle part 3 and second handle part 4, and the opposite end surface of first handle part 3 and second handle part 4 is provided with first positioning pin 5, and second handle part 4 is provided with with movable rod 6, and movable rod 6 is provided with with second positioning pin 7 opposite first positioning pin 5, and second positioning pin 7 and first positioning pin 5 are coaxially arranged, and two positioning pins are inserted into the dismounting hole of tightening shaft again, and then the handle part on both sides is pulled to realize the dismounting of tightening shaft.

[0012] To make second positioning pin 7 can adapt to multiple diameter specifications of tightening shaft, second handle part 4 has movable cavity, movable rod 6 is slidably arranged in movable cavity, spring 8 is arranged in movable cavity, and the end of second handle 4 is provided with spring limiting plug 9, the both ends of spring 8 are limited between the end of movable rod 6 and spring limiting plug 9, movable rod 6 is provided with pull rod 10 that protrudes outside spring limiting plug 9, and the end of pull rod 10 is provided with limiting block 11, and the limiting block 11 can make movable rod 6 retreat, so that the relative distance of second positioning pin 7 and first positioning pin 5 can be increased.

[0013] To facilitate the replacement of positioning pin, first positioning pin 5 can be detachably arranged on the end surface of first handle part 3, and the end surface of first handle part 3 has first positioning pin embedding slot, and the side surface of first handle part 3 is provided with first fastening screw 12 for locking first positioning pin 5.

[0014] The above-mentioned technical solutions provided by the embodiments of the utility model are described in detail, and the principles and implementation modes of the embodiments of the utility model are described by applying specific examples; the above-mentioned embodiment descriptions are only applicable to help understand the principles of the embodiments of the utility model; meanwhile, for the general technical personnel in the art, according to the embodiments of the utility model, the specific implementation modes and application ranges will be changed, and according to the above, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A disassembly wrench for a threaded shaft, characterized in that: The utility model relates to a spanner, including the spanner body (1), the middle part of spanner body (1) is C type part (2), two ends of C type part (2) are connected first handle part (3) and second handle part (4) respectively, and the opposite end surface of first handle part (3) and second handle part (4) is provided with first positioning pin (5), and the second handle part (4) is provided with with movable rod (6) floatingly, and the movable rod (6) is provided with second positioning pin (7) opposite first positioning pin (5), and second positioning pin (7) and first positioning pin (5) are coaxial arrangement.

2. A disassembly wrench for a threaded shaft according to claim 1, characterized in that: The second handle part (4) has a movable cavity, the movable rod (6) is slidingly fitted in the movable cavity, the movable cavity is provided with a spring (8), the end of the second handle part (4) is provided with a spring limiting plug (9), the spring (8) is limited between the end of the movable rod (6) and the spring limiting plug (9), the movable rod (6) is provided with a pull rod (10) extending outside the spring limiting plug (9), and the end of the pull rod (10) is provided with a limiting block (11).

3. A disassembly wrench for a threaded shaft according to claim 1, characterized in that: The first positioning pin (5) is detachably arranged on the end surface of the first handle part (3), the end surface of the first handle part (3) has a first positioning pin embedding groove, and the side surface of the first handle part (3) is provided with a first fastening screw (12) locking the first positioning pin (5).

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