Anti-slip internal hexagonal wrench

Abstract

The utility model relates to an anti-slip internal hexagonal wrench. The internal hexagonal wrench solves the technical problems that the head of a screw is damaged due to the fact that an existing internal hexagonal wrench does not have a positioning and fastening function, and safety accidents are caused by slipping during working. Comprising a wrench rod body, the wrench rod body is formed by coaxially connecting a first rod body and a second rod body, one end of the first rod body is provided with a wrench part with a regular hexagonal cross section, one end of the first rod body is sleeved with an anti-falling cover body, one end of the anti-falling cover body is closed, the other end of the anti-falling cover body is open, and the wrench part axially penetrates through the closed end of the anti-falling cover body and extends to the inner side of the anti-falling cover body. An elastic rolling supporting assembly is arranged on the inner side of the anti-disengaging cover in the circumferential direction, a swing connecting assembly is arranged between the first rod body and the second rod body, and an auxiliary part is detachably arranged at one end of the second rod body. The anti-falling wrench has the advantages that the anti-falling cover body is installed on the outer side of the wrench part and matched with the elastic rolling supporting assembly, so that the effect of clamping the outer side of the head of the inner hexagon screw is achieved, and the risk of slipping of the head of the inner hexagon screw and safety accidents are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of disassembly tools, and in particular relates to an anti-slip hexagonal wrench. Background Art

[0002] The existing hexagon socket wrench generally adopts a 7-shaped structure. When removing and tightening the hexagon socket screws, a lot of force is required. The existing hexagon socket wrench has no positioning and tightening function. When the hexagon socket wrench is not put in place or for other reasons, it is easy to cause damage to the head of the hexagon socket screw. After the damage occurs, it cannot be removed with the hexagon socket wrench, which brings great trouble to the subsequent work and wastes time. At the same time, the hexagon socket wrench will slip when tightening the hexagon socket screw, increasing the possibility of injury to the operator. Summary of the invention

[0003] The utility model aims to provide an anti-skid hexagonal wrench in view of the above problems.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an anti-slip hexagonal wrench, comprising a wrench rod body, the wrench rod body is formed by coaxially connecting a first rod body and a second rod body, the end of the first rod body away from the second rod body has a wrench part with a regular hexagonal cross section, an anti-slip cover body is sleeved on one end of the first rod body, the anti-slip cover body is closed at one end and open at the other end, the wrench part axially penetrates the closed end of the anti-slip cover body and extends to the inside of the anti-slip cover body, an elastic rolling support assembly facing the outside of the end of the first rod body is provided on the circumferential inner side of the anti-slip cover body, a swing connection assembly is provided between the first rod body and the second rod body, which can make the second rod body fold relative to the first rod body within a circumferential range of 180 degrees, and an auxiliary part is detachably provided at the end of the second rod body away from the first rod body. The anti-slip cover body and the elastic rolling support assembly play a role in tightening and preventing the screw head from slipping, reducing the problem of slipping of the wrench during disassembly and tightening, and at the same time, the first rod body and the second rod body can freely adjust the angle through the swing connection assembly, which is convenient for operators to use.

[0005] In the above-mentioned anti-slip hexagonal wrench, the anti-slip cover is cylindrical, the inner side of the anti-slip cover has a cavity, the closed end of the anti-slip cover has a fixing part, the inner side of the fixing part is provided with a fixing hole corresponding to the cross section of the first rod body, and an anti-slip groove for inserting the head of the hexagonal screw is formed between the outer side of the wrench part and the inner side of the anti-slip cover. The anti-slip groove can reduce the shaking of the screw head.

[0006] In the above-mentioned anti-slip hexagonal wrench, the wrench portion is integrally formed at one end of the first rod body, and the cross-sections of the first rod body and the second rod body are both regular hexagons with the same size as the wrench portion, and the length of the wrench portion is less than the depth of the cavity. The cavity of the anti-slip cover can completely cover the screw head, and the wrench portion is inserted into the screw head.

[0007] In the above-mentioned anti-slip hexagonal wrench, the elastic rolling support assembly includes a plurality of movable holes distributed circumferentially and arranged along the radial direction of the anti-slip cover body, the inner ends of the movable holes penetrate the inner side of the anti-slip cover body circumferentially to form an inner hole, a rolling body with the outer side exposed in the inner hole is movably arranged in the movable hole, and a top pressure spring abutting against the rolling body is arranged in the movable hole. The top pressure spring and the rolling body cooperate with each other, and when the screw head is arranged in the anti-slip cover body, the top pressure spring squeezes the rolling body so that the rolling body fixes the outer side of the screw head.

[0008] In the above-mentioned anti-slip hexagonal wrench, the rolling body is a ball, and the diameter of the rolling body is larger than the inner diameter of the inner hole.

[0009] In the above-mentioned anti-slip hexagonal wrench, the movable hole is in a structure with a large outer end and a small inner end, and the outer end of the movable hole passes through the circumferential outer side of the anti-slip cover to form an outer hole, the diameter of the outer hole is larger than the diameter of the rolling body, a sealing part is provided in the outer hole, and one end of the pressure spring acts on the sealing part and the other end acts on the rolling body.

[0010] In the above-mentioned anti-slip hexagonal wrench, the swing connection assembly includes a connecting part arranged on the first rod body close to one end of the second rod body, the second rod body close to one end of the first rod body is provided with a plug-in part corresponding to the connecting part, and a bearing is provided between the plug-in part and the connecting part.

[0011] In the above-mentioned anti-slip hexagonal wrench, the connecting part has two connecting blocks, a connecting space is provided between the two connecting blocks, a connecting hole is provided on the inner side of the connecting block, and the connecting space has an arc-shaped movable groove near one end of the anti-slip cover body.

[0012] In the above-mentioned anti-slip hexagonal wrench, the plug-in part has a plug-in block, the plug-in block is arranged in the connecting space, the plug-in hole corresponding to the connecting hole is arranged on the inner side of the plug-in block in the circumferential direction, the end of the plug-in block is provided with an arc-shaped movable part corresponding to the arc-shaped movable groove, and the bearing member is arranged in the plug-in hole and the connecting hole.

[0013] In the above-mentioned anti-slip hexagonal wrench, the second rod body is provided with a radially penetrating auxiliary hole at one end away from the first rod body, the auxiliary piece is axially arranged in the auxiliary hole and the two ends of the auxiliary piece are respectively located outside the auxiliary hole. The auxiliary piece is inserted into the auxiliary hole, and the auxiliary piece acts as a handle, which can help the operator to exert force and save physical strength for the operator.

[0014] Compared with the existing technology, the advantages of the utility model are:

[0015] 1. The device installs an anti-slip cover on the outside of the wrench part. During operation, the anti-slip cover can cover the entire head of the hexagon socket screw. The wrench part is inserted into the head of the hexagon socket screw. At the same time, the elastic rolling support component plays a role in clamping the outside of the hexagon socket screw head. During tightening and disassembly operations, the risk of slipping of the hexagon socket screw head and safety accidents are reduced.

[0016] 2. The device connects the first rod body and the second rod body by a swing connection assembly, so that the operator can adjust according to the different installation positions of the hexagon socket screws, thereby facilitating fastening and disassembly, and at the same time, the auxiliary parts can also save physical effort for the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural explosion diagram of the utility model.

[0019] Figure 3 It is a structural sectional view of the utility model.

[0020] In the figure: a wrench rod body 1, a first rod body 11, a second rod body 12, a wrench part 13, an auxiliary part 14, an auxiliary hole 15, an anti-slip cover body 2, a cavity 21, a fixing part 22, a fixing hole 23, an anti-slip groove 24, an elastic rolling support assembly 3, a movable hole 31, an inner hole 32, a rolling body 33, a pressure spring 34, an outer hole 35, a blocking part 36, a swing connection assembly 4, a connecting part 41, a plug-in part 42, a bearing part 43, a connecting block 44, a connecting space 45, a connecting hole 46, an arc-shaped movable groove 47, a plug-in block 48, a plug-in hole 49, and an arc-shaped movable part 50. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] like Figure 1-3As shown, an anti-slip hexagonal wrench comprises a wrench rod 1, which is formed by a first rod 11 and a second rod 12 being coaxially connected, the first rod 11 having an end away from the second rod 12 with a wrench portion 13 having a regular hexagonal cross-section, an anti-slip cover 2 is sleeved on one end of the first rod 11, the anti-slip cover 2 is closed at one end and open at the other end, the wrench portion 13 axially penetrates the closed end of the anti-slip cover 2 and extends to the inner side of the anti-slip cover 2, an elastic rolling support component 3 is provided on the circumferential inner side of the anti-slip cover 2 facing the outer side of the end of the first rod 11, a swing connection component 4 is provided between the first rod 11 and the second rod 12, and the swing connection component 4 can make the second rod 12 fold relative to the first rod 11 within a circumferential range of 180 degrees, and an auxiliary part 14 is detachably provided on the end of the second rod 12 away from the first rod 11. The anti-slip cover 2 and the elastic rolling support assembly 3 play a role in tightening and preventing the screw head from slipping, reducing the problem of the wrench slipping during disassembly and tightening. At the same time, the first rod body 11 and the second rod body 12 can be freely adjusted in angle through the swing connection assembly 4, which is convenient for operators to use.

[0023] like Figure 3 As shown, the anti-slip cover 2 is cylindrical, and has a cavity 21 inside the anti-slip cover 2. The closed end of the anti-slip cover 2 has a fixing portion 22. The fixing portion 22 is provided with a fixing hole 23 corresponding to the cross section of the first rod 11 on the inner side of the fixing portion 22. An anti-slip groove 24 for inserting the head of the hexagon socket screw is formed between the outer side of the wrench portion 13 and the inner side of the anti-slip cover 2. The anti-slip groove 24 can reduce the shaking of the screw head.

[0024] Combination Figure 2 and Figure 3 As shown, the wrench portion 13 is integrally formed at one end of the first rod body 11, and the cross-sections of the first rod body 11 and the second rod body 12 are both regular hexagons with the same size as the wrench portion 13, and the length of the wrench portion 13 is less than the depth of the cavity 21. The cavity 21 of the anti-slip cover body 2 can completely cover the screw head, and the wrench portion 13 is inserted into the screw head.

[0025] The elastic rolling support assembly 3 includes a plurality of movable holes 31 which are distributed in the circumferential direction and are all arranged along the radial direction of the anti-slip cover 2. The inner ends of the movable holes 31 penetrate the inner side of the anti-slip cover 2 in the circumferential direction to form an inner hole 32. A rolling body 33 is movably arranged in the movable hole 31, the outer side of which is exposed in the inner hole 32, and a pressing spring 34 is arranged in the movable hole 31 to abut against the rolling body 33. The pressing spring 34 cooperates with the rolling body 33. When the screw head is arranged in the anti-slip cover 2, the pressing spring 34 squeezes the rolling body 33 so that the rolling body 33 fixes the outer side of the screw head.

[0026] Specifically, the rolling body 33 is a ball, and the diameter of the rolling body 33 is larger than the inner diameter of the inner hole 32 . The inner hole 32 limits the rolling body 33 to prevent the rolling body 33 from sliding out of the movable hole 31 .

[0027] Furthermore, the movable hole 31 has a structure with a larger outer end and a smaller inner end, and the outer end of the movable hole 31 passes through the anti-detachment cover body 2 to form an outer hole 35 in the circumferential direction. The diameter of the outer hole 35 is larger than the diameter of the rolling body 33. A sealing portion 36 is provided in the outer hole 35, and one end of the pressure spring 34 acts on the sealing portion 36 and the other end acts on the rolling body 33.

[0028] Combination Figure 1 and Figure 2 As shown, the swing connection assembly 4 includes a connecting portion 41 arranged at one end of the first rod body 11 close to the second rod body 12, and an inserting portion 42 corresponding to the connecting portion 41 is provided at one end of the second rod body 12 close to the first rod body 11, and a bearing member 43 is provided between the inserting portion 42 and the connecting portion 41.

[0029] The connecting portion 41 has two connecting blocks 44 , a connecting space 45 is formed between the two connecting blocks 44 , a connecting hole 46 is formed on the inner side of the connecting block 44 , and an arc-shaped movable groove 47 is formed at one end of the connecting space 45 close to the anti-drop cover body 2 .

[0030] Specifically, the plug-in portion 42 has a plug-in block 48, which is arranged in the connecting space 45. The plug-in block 48 has a plug-in hole 49 corresponding to the connecting hole 46 on the inner side thereof. The end of the plug-in block 48 is provided with an arc-shaped movable portion 50 corresponding to the arc-shaped movable groove 47, and the bearing member 43 is arranged in the plug-in hole 49 and the connecting hole 46.

[0031] Preferably, the second rod body 12 is provided with a radially penetrating auxiliary hole 15 at one end away from the first rod body 11, and the auxiliary member 14 is axially arranged in the auxiliary hole 15 and the two ends of the auxiliary member 14 are respectively located outside the auxiliary hole 15. The auxiliary member 14 is inserted into the auxiliary hole 15, and the auxiliary member 14 plays the role of a handle, which can help the operator to exert force and save physical strength for the operator.

[0032] The principle of this embodiment is:

[0033] The anti-slip cover 2 covers the screw head, the wrench part 13 is inserted into the inside of the screw head, and the rolling body 33 is pressed against the outside of the screw head by the pressure spring 34. In this way, when tightening and removing the screw, the amount of shaking of the screw head in the anti-slip groove 24 is very small, which can effectively prevent the screw head from slipping and suddenly rushing out and hitting the equipment during the force application process. At the same time, the appropriate use shape is adjusted by swinging the connecting component 4 according to the installation position of the screw, thereby improving the overall practicality.

[0034] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0035] Although the present invention uses more terms such as the wrench rod body 1, the first rod body 11, the second rod body 12, the wrench part 13, the auxiliary part 14, the auxiliary hole 15, the anti-slip cover body 2, the cavity 21, the fixing part 22, the fixing hole 23, the anti-slip groove 24, the elastic rolling support assembly 3, the movable hole 31, the inner hole 32, the rolling body 33, the top pressure spring 34, the outer hole 35, the blocking part 36, the swing connection assembly 4, the connecting part 41, the plug-in part 42, the bearing part 43, the connecting block 44, the connecting space 45, the connecting hole 46, the arc-shaped movable groove 47, the plug-in block 48, the plug-in hole 49, the arc-shaped movable part 50, etc., the possibility of using other terms is not excluded. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. An anti-slip hexagonal wrench, comprising a wrench shaft (1), characterized in that: The wrench rod body (1) is formed by a first rod body (11) and a second rod body (12) connected coaxially. The end of the first rod body (11) away from the second rod body (12) has a wrench part (13) with a regular hexagonal cross section. An anti-slip cover body (2) is sleeved on one end of the first rod body (11). The anti-slip cover body (2) is closed at one end and open at the other end. The wrench part (13) axially penetrates the closed end of the anti-slip cover body (2) and extends to the inside of the anti-slip cover body (2). An elastic rolling support component (3) facing the outside of the end of the first rod body (11) is provided on the circumferential inner side of the anti-slip cover body (2). A swing connection component (4) is provided between the first rod body (11) and the second rod body (12) so that the second rod body (12) can be folded relative to the first rod body (11) within a circumferential range of 180 degrees. The end of the second rod body (12) away from the first rod body (11) is detachably provided with an auxiliary component (14).

2. The anti-slip hexagonal wrench according to claim 1, characterized in that: The anti-slip cover (2) is cylindrical, and has a cavity (21) inside the anti-slip cover (2). The closed end of the anti-slip cover (2) has a fixing portion (22). The fixing portion (22) is provided with a fixing hole (23) corresponding to the cross section of the first rod (11) on the inner side in the circumferential direction. An anti-slip groove (24) for inserting the head of the hexagon socket screw is formed between the outer side in the circumferential direction of the wrench portion (13) and the inner side of the anti-slip cover (2).

3. The anti-slip hexagonal wrench according to claim 2, characterized in that: The wrench portion (13) is integrally formed at one end of the first rod body (11), and the first rod body (11) and the second rod body (12) both have cross-sections that are regular hexagons with the same size as the wrench portion (13), and the length of the wrench portion (13) is less than the depth of the cavity (21).

4. The anti-slip hexagonal wrench according to claim 1, 2 or 3, characterized in that: The elastic rolling support assembly (3) comprises a plurality of movable holes (31) which are distributed in the circumferential direction and are all arranged along the radial direction of the anti-slip cover body (2); the inner ends of the movable holes (31) penetrate the inner side of the anti-slip cover body (2) in the circumferential direction to form an inner hole (32); a rolling body (33) which is exposed from the inner hole (32) is movably arranged in the movable hole (31); and a pressure spring (34) which abuts against the rolling body (33) is arranged in the movable hole (31).

5. The anti-slip hexagonal wrench according to claim 4, characterized in that: The rolling body (33) is a ball, and the diameter of the rolling body (33) is larger than the inner diameter of the inner hole (32).

6. The anti-slip hexagonal wrench according to claim 4, characterized in that: The movable hole (31) is of a structure with a larger outer end and a smaller inner end, and the outer end of the movable hole (31) penetrates the outer circumferential side of the anti-slip cover body (2) to form an outer hole (35), the diameter of the outer hole (35) is larger than the diameter of the rolling body (33), a blocking portion (36) is provided in the outer hole (35), and one end of the pressure spring (34) acts on the blocking portion (36) and the other end acts on the rolling body (33).

7. The anti-slip hexagonal wrench according to claim 1, 2 or 3, characterized in that: The swing connection assembly (4) comprises a connection portion (41) arranged at one end of the first rod body (11) close to the second rod body (12); an inserting portion (42) corresponding to the connection portion (41) is arranged at one end of the second rod body (12) close to the first rod body (11); and a bearing member (43) is arranged between the inserting portion (42) and the connection portion (41).

8. The anti-slip hexagonal wrench according to claim 7, characterized in that: The connecting portion (41) has two connecting blocks (44), a connecting space (45) is provided between the two connecting blocks (44), a connecting hole (46) is provided on the inner side of the connecting block (44) in the circumferential direction, and an arc-shaped movable groove (47) is provided at one end of the connecting space (45) close to the anti-detachment cover body (2).

9. The anti-slip hexagonal wrench according to claim 8, characterized in that: The plug-in portion (42) comprises a plug-in block (48), the plug-in block (48) is arranged in the connection space (45), a plug-in hole (49) corresponding to the connection hole (46) is arranged on the inner side of the plug-in block (48) in the circumferential direction, an arc-shaped movable portion (50) corresponding to the arc-shaped movable groove (47) is arranged at the end of the plug-in block (48), and the bearing member (43) is arranged in the plug-in hole (49) and the connection hole (46).

10. The anti-slip hexagonal wrench according to claim 1, characterized in that: The second rod body (12) is provided with a radially penetrating auxiliary hole (15) at one end away from the first rod body (11); the auxiliary component (14) is axially arranged in the auxiliary hole (15) and the two ends of the auxiliary component (14) are respectively located outside the auxiliary hole (15).

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