Multi-purpose fastener tightening jig

Abstract

The utility model discloses a multi-purpose fastener tightening jig, relates to tooling jig technical field, including device main part, adjusting groove, first box spanner and second box spanner, the device main part is welded at the both ends of adjusting groove, the inside of adjusting groove is inserted with the connecting shaft, the outside of connecting shaft is provided with the sleeve, the first box spanner is connected with the sleeve, and the second box spanner is connected with the second box spanner. Two connectors are welded to one end of the device body, when the jig is used, the first box spanner or the second box spanner at one end of the jig is arranged outside a fastener in a sleeving mode, then the device body is rotated, and the fastener is fixed through the first box spanner or the second box spanner. The angle between the connecting block and the first box spanner or the second box spanner can be adjusted, then the rotating angle of the device body can be adjusted, the rotating range of the device body can be reduced when the jig is used, the jig can still be flexibly used in a small space, and using convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a multi-purpose fastener tightening and loosening fixture. Background Technique

[0002] Common fasteners include bolts, screws, nuts, studs, wire thread inserts, etc., and usually need to be used in conjunction with a fastener tightening and loosening fixture. After retrieval, the patent with the authorization number CN205363698U of the Chinese patent discloses an integrated multi-purpose fastener tightening and loosening fixture. Although this integrated multi-purpose fastener tightening and loosening fixture can be applicable to fasteners with a larger size range, has a simple structure, is convenient to use, occupies a small space and is convenient for storage, when this fixture is in use, it is restricted by the operating space. When the operating space around the fastener is small, it will cause interference to the rotation of the fixture arm, and then it is necessary to adjust the position of the fixture arm multiple times, resulting in inconvenient operation. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a multi-purpose fastener tightening and loosening fixture, which solves the problem that when the operating space around the fastener is small, it will cause interference to the rotation of the fixture arm, and then it is necessary to adjust the position of the fixture arm multiple times, resulting in inconvenient operation as mentioned in the background technique.

[0004] To achieve the above purposes, the utility model is realized through the following technical solutions: A multi-purpose fastener tightening and loosening fixture includes a device main body, an adjustment groove, a first box wrench and a second box wrench. The device main body is welded to both ends of the adjustment groove. A connecting shaft is inserted into the adjustment groove. A sleeve is arranged outside the connecting shaft. A connecting head is welded to one end of the device main body. There are two connecting heads, and the other ends of the two connecting heads are respectively rotatably connected to the first box wrench and the second box wrench.

[0005] Preferably, a hole groove is opened inside the adjustment groove, and the sleeve is located inside the hole groove of the adjustment groove. The sleeve is in a cross shape, and four kinds of specification hexagonal grooves are opened at the four ends of the sleeve. By setting grooves with various specifications, it is beneficial for this fixture to be able to use a variety of fasteners, thereby improving the practicability.

[0006] Preferably, the maximum rotation angle of the first box wrench and the second box wrench is 180 degrees, and the inner diameter of the first box wrench is greater than the inner diameter of the second box wrench, so that it is beneficial for the first box wrench and the second box wrench to directly use fasteners of two specification sizes.

[0007] Preferably, a circular hole groove is opened at the center of the sleeve, and the sleeve is rotatably connected to the connecting shaft through the circular hole groove. One end of the bottom of the connecting shaft is threadedly connected to the adjustment groove. By rotating the sleeve inside the adjustment groove, it is beneficial to flexibly switch the sleeve.

[0008] Preferably, through holes are formed in the outer wall of the first double-ended wrench, and the inner wall of the through holes is threaded. The through holes in the outer wall of the first double-ended wrench are in threaded connection with set bolts. One end surface of each set bolt is made of rubber. The rubber material provided on the surface of the set bolt helps to achieve an anti-slip effect during use.

[0009] The utility model provides a multi-purpose fastener tightening and loosening jig, which has the following beneficial effects:

[0010] (1) When the multi-purpose fastener tightening and loosening jig is in use, by sleeving the first double-ended wrench or the second double-ended wrench at one end of the jig on the outside of the fastener, and then rotating the main body of the device, the angle between the connecting block and the first double-ended wrench or the second double-ended wrench can be adjusted, so that the rotation angle of the main body of the device can be adjusted, thereby reducing the rotation range of the main body of the device during use of the jig, enabling the jig to still be flexibly used in a small space and improving the convenience of use.

[0011] (2) In the multi-purpose fastener tightening and loosening jig, a rotatable sleeve is arranged inside the adjustment groove. The sleeve has various specifications and can be easily switched by rotation to tighten and loosen the rotation of various fasteners of different specifications. At the same time, the main body of the device on both sides of the adjustment groove can facilitate applying force to the fastener, further improving the convenience of use of the jig.

[0012] Therefore, the problem that when the operating space around the fastener is small, it will interfere with the rotation of the jig arm, and then it is necessary to adjust the position of the jig arm multiple times, resulting in inconvenient operation, is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 is a schematic diagram of the sleeve structure of the utility model;

[0015] Figure 3 is a schematic top view structure of the utility model;

[0016] Figure 4 is a schematic diagram of the set bolt structure of the utility model;

[0017] Figure 5 is a schematic side view structure of the utility model.

[0018] In the figure, 1, main body of the device; 2, adjustment groove; 3, connecting shaft; 4, sleeve; 5, connecting head; 6, first double-ended wrench; 7, second double-ended wrench; 8, set bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] Embodiment 1:

[0021] A multi-purpose fastener tightening and loosening jig, including a device main body 1, an adjustment groove 2, a first socket wrench 6 and a second socket wrench 7. The device main body 1 is welded to both ends of the adjustment groove 2. A connecting shaft 3 is inserted into the adjustment groove 2. A sleeve 4 is arranged outside the connecting shaft 3. One end of the device main body 1 is welded with a connecting head 5. There are two connecting heads 5. The other ends of the two connecting heads 5 are respectively rotatably connected to the first socket wrench 6 and the second socket wrench 7. The maximum rotation angle between the first socket wrench 6 and the second socket wrench 7 is 180 degrees, and the inner diameter of the first socket wrench 6 is greater than the inner diameter of the second socket wrench 7. When using this jig, by sleeving the first socket wrench 6 or the second socket wrench 7 at one end of the jig on the outside of the fastener, and then rotating the device main body 1, the angle between the connecting block and the first socket wrench 6 or the second socket wrench 7 can be adjusted, and then the rotation angle of the device main body 1 can be adjusted, so that the rotation range of the device main body 1 during use of this jig can be reduced, enabling this jig to still be used flexibly in a small space and improving the convenience of use.

[0022] Embodiment 2:

[0023] A circular hole groove is opened in the center of the sleeve 4, and the sleeve 4 is rotatably connected to the connecting shaft 3 through the circular hole groove. One end of the bottom of the connecting shaft 3 is threadedly connected to the adjustment groove 2. A hole groove is opened inside the adjustment groove 2, and the sleeve 4 is located inside the hole groove of the adjustment groove 2. The sleeve 4 is in a cross shape, and four kinds of hexagonal grooves with different specifications are opened at the four ends of the sleeve 4. By arranging the rotatable sleeve 4 inside the adjustment groove 2, and the sleeve 4 has various specifications, it is convenient to switch by rotation so as to tighten and loosen the rotation of various fasteners with different specifications. At the same time, the device main body 1 on both sides of the adjustment groove 2 can facilitate applying force to the fastener, thereby further improving the convenience of use of this jig.

[0024] Embodiment 3:

[0025] A through hole is formed in the outer wall of the first plum blossom wrench 6, and the inner wall of the through hole is threaded. The through hole in the outer wall of the first plum blossom wrench 6 is threadedly connected to the set screw 8. One end surface of the set screw 8 is made of rubber. Setting rubber on the surface of the set screw 8 is beneficial to achieve an anti-slip effect during use. By providing a rotatable set screw 8 at one end of the first plum blossom wrench 6, when the first plum blossom wrench 6 is used for smaller fasteners, by rotating the set screw 8, one end of the set screw 8 can be made to abut against the surface of the fastener, restricting the rotation of the fastener inside the first plum blossom wrench 6, which is beneficial to increasing the range of use specifications of the first plum blossom wrench 6.

[0026] Working principle: When this jig is in use, the first plum blossom wrench 6 or the second plum blossom wrench 7 at one end of the jig is sleeved outside the fastener. Then, by rotating the device body 1, the angle between the connecting block and the first plum blossom wrench 6 or the second plum blossom wrench 7 can be adjusted, and thus the rotation angle of the device body 1 can be adjusted. As a result, the rotation range of the device body 1 during the use of this jig can be reduced, enabling this jig to still be used flexibly in a smaller space, improving the convenience of use. By providing a rotatable sleeve 4 inside the adjustment groove 2, the sleeve 4 has various specifications and can be conveniently switched by rotation to tighten and loosen the rotation of various different specifications of fasteners. At the same time, the device body 1 on both sides of the adjustment groove 2 can facilitate the application of force to the fastener, further improving the convenience of use of this jig.

[0027] The components of the present utility model, namely, the device body 1, the adjustment groove 2, the connecting shaft 3, the sleeve 4, the connecting head 5, the first plum blossom wrench 6, the second plum blossom wrench 7, and the set screw 8, are all common standard components or components known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or through conventional experimental methods.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-purpose fastener loosening jig, characterized in that: The invention comprises a device body (1), an adjusting groove (2), a first box spanner (6) and a second box spanner (7), wherein the device body (1) is welded to both ends of the adjusting groove (2), a connecting shaft (3) is inserted into the adjusting groove (2), a sleeve (4) is arranged outside the connecting shaft (3), a connecting head (5) is welded to one end of the device body (1), two connecting heads (5) are arranged, and the other ends of the two connecting heads (5) are rotatably connected to the first box spanner (6) and the second box spanner (7) respectively.

2. A multi-purpose fastener loosening jig according to claim 1, characterized in that: A hole groove is provided inside the adjusting groove (2), and the sleeve (4) is located inside the hole groove of the adjusting groove (2). The sleeve (4) is in a cross shape, and four ends of the sleeve (4) are provided with hexagonal grooves of four specifications.

3. The multi-purpose fastener loosening jig according to claim 1, characterized in that: The maximum rotation angle of the first box wrench (6) and the second box wrench (7) is one hundred and eighty degrees, and the inner diameter of the first box wrench (6) is greater than the inner diameter of the second box wrench (7).

4. The multi-purpose fastener loosening jig according to claim 1, characterized in that: A circular hole groove is provided at the center of the sleeve (4), and the sleeve (4) is rotatably connected to the connecting shaft (3) via the circular hole groove, and one end of the bottom of the connecting shaft (3) is threadedly connected to the adjusting groove (2).

5. The multi-purpose fastener loosening jig according to claim 1, characterized in that: The outer wall of the first box spanner (6) is provided with a through hole, and the inner wall of the through hole is threaded. The through hole on the outer wall of the first box spanner (6) is threadedly connected to a fixing bolt (8), and the surface of one end of the fixing bolt (8) is made of rubber material.

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