Anti-thread-slipping bolt assembly special for precision part

Abstract

The utility model relates to the technical field of bolts, and discloses an anti-thread-slipping bolt assembly special for precision parts, which comprises a screw rod provided with a mounting device. The mounting device comprises a sleeve, the sleeve is arranged on the screw, the inner wall of the sleeve is slidably connected with a moving rod, the outer wall of the sleeve is provided with a threaded groove, the outer wall of the sleeve is fixedly connected with a fixing plate, the outer wall of the threaded groove is in threaded connection with a knob, the top of the sleeve is provided with a groove, the front face of the inner wall of the groove is hinged to a supporting rod, and the bottom of the supporting rod is fixedly connected with a connecting block. When dismounting is needed, the moving rod is pushed to move leftwards, the moving rod drives the spring to extrude leftwards, the moving rod moves leftwards, the right side of the clamping groove can drive the connecting block and the supporting rod to descend and retract into the inner wall of the groove, the sleeve is pulled out of the inner wall of the through hole of the screw rod, and quick dismounting is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to an anti-slip thread bolt assembly special for precision parts. Background Art

[0002] Bolt assemblies mainly refer to the combination of the head, the cylindrical body of the screw and the nut. Existing bolt assemblies are prone to loosening due to vibration and other reasons after assembly, which in turn affects the life of the machinery and threatens the personal safety of the production site. In addition, many structural components need to be repeatedly disassembled and assembled for inspection and maintenance, which puts higher requirements on the anti-loosening reliability and installation convenience of bolt assemblies.

[0003] According to the Chinese patent announcement number CN218347741U, the technical solution disclosed in the patent document is as follows: the utility model provides an anti-loosening bolt assembly, including a bolt rod and a bolt head connected to each other; an adjustment groove is provided on the surface of the bolt head facing the bolt rod; a movable part is provided for internal rotation of the adjusting groove; the surface contour of the movable part is higher than the bolt head contour surface around the opening of the adjusting groove; an elastic pad is provided on the surface of the movable part; the rotation trajectory of the elastic pad intersects with the opening position of the adjusting groove; the static friction coefficient of the elastic pad is greater than the static friction coefficient of the bolt head; when the elastic pad rotates to the opening position of the corresponding adjusting groove, the part protruding out of the groove is tightly squeezed on the mounting plane during the bolt assembly, and the larger static friction coefficient of the elastic pad can significantly increase the rotational resistance between the bolt head and the mounting plane or the gasket, thereby achieving an anti-loosening effect; the adjusting movable part is rotated again to stagger the elastic pad with the opening position of the adjusting groove, so as to easily twist the bolt head for disassembly.

[0004] The above patent has the following disadvantages: the device is not convenient enough when disassembling, and the elastic pad and the opening of the adjustment slot need to be staggered for disassembly. In view of this, we propose a special anti-slip wire bolt assembly for precision parts. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a special anti-slip thread bolt assembly for precision parts.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special anti-slip thread bolt assembly for precision parts, comprising a screw rod, on which a mounting device is provided; the mounting device comprises a sleeve, which is provided on the screw rod, a moving rod is slidably connected to the inner wall of the sleeve, a threaded groove is provided on the outer wall of the sleeve, a fixing plate is fixedly connected to the outer wall of the sleeve, a knob is threadedly connected to the outer wall of the threaded groove, a groove is provided on the top of the sleeve, a support rod is hinged on the front side of the inner wall of the groove, a connecting block is fixedly connected to the bottom of the support rod, and a slot is provided on the top of the moving rod.

[0009] Preferably, a fixed rod is fixedly connected to the left side of the movable rod, and a spring is provided on the movable sleeve of the outer wall of the fixed rod, which is a compression spring. It is easy to manufacture and process, has low cost, and can be applied to different shapes, sizes and load requirements. Therefore, it has high applicability. The compression spring has a compression force. The compression spring has the characteristics of high elasticity, high thermal conductivity and high durability. It has high reliability and stability during operation. Compared with ordinary springs, the design of the compression spring is more compact, which can exert a greater compression effect in a limited space and save equipment space.

[0010] Preferably, the two ends of the spring are respectively fixedly connected to the left side of the inner wall of the sleeve and the right side of the moving rod. The moving rod is cast in an integrated manner, which improves the integrity. There is no interface inside, and there is no weakness problem at the interface. It does not require assembly and can be directly installed, which is convenient for production and maintenance.

[0011] Preferably, an auxiliary device is provided on the screw rod, and the auxiliary device includes a nut, and the nut is fixedly connected to the right side of the screw rod, and the outer wall of the screw rod is threadedly connected with a nut.

[0012] Preferably, a through hole is opened on the right side of the screw.

[0013] Preferably, a notch is formed at the top of the screw.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a special anti-slip wire bolt assembly for precision parts, which has the following beneficial effects:

[0016] 1. This anti-slip wire bolt assembly specially used for precision parts, when it needs to be disassembled, push the moving rod to move to the left side, the moving rod drives the spring to squeeze to the left side, the moving rod moves to the left side, the right side of the slot will drive the connecting block and the support rod to descend, shrink into the inner wall of the groove, and pull the sleeve out from the inner wall of the through hole 34 of the screw, so as to realize quick disassembly.

[0017] 2. This anti-slip wire bolt assembly for precision parts is achieved by inserting the sleeve into the inner wall of the screw hole, the support rod is extended from the groove, against the left side of the nut, and then the knob is twisted to tighten it, so as to fix the screw and nut and prevent them from falling off due to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the top structure of the auxiliary device of the utility model;

[0021] Figure 3 This is a front cross-sectional structural diagram of the installation device of the utility model;

[0022] Figure 4 For this utility model Figure 3 A is an enlarged schematic diagram of the structure.

[0023] In the figure: 1. screw rod; 2. mounting device; 21. sleeve; 22. threaded groove; 23. fixing plate; 24. moving rod; 25. knob; 26. groove; 27. support rod; 28. fixing rod; 29. ​​spring; 210. connecting block; 211. slot; 3. auxiliary device; 31. nut; 32. nut; 33. notch; 34. through hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Example 1

[0026] like Figure 1-4 As shown, the utility model provides a special anti-slip thread bolt assembly for precision parts, including a screw rod 1, on which a mounting device 2 is arranged; the mounting device 2 includes a sleeve 21, which is arranged on the screw rod 1, and the inner wall of the sleeve 21 is slidably connected with a moving rod 24, and the outer wall of the sleeve 21 is provided with a threaded groove 22, and the outer wall of the sleeve 21 is fixedly connected with a fixing plate 23, and the outer wall of the threaded groove 22 is threadedly connected with a knob 25, and the top of the sleeve 21 is provided with a groove 26, and the front side of the inner wall of the groove 26 is hinged with a support rod 27, and the bottom of the support rod 27 is fixedly connected with a connecting block 210, and the top of the moving rod 24 is provided with a slot 211.

[0027] A fixed rod 28 is fixedly connected to the left side of the movable rod 24. A spring 29 is provided on the outer wall of the fixed rod 28. The spring is a compression spring, which is easy to manufacture and process, has low cost, and can be applied to different shapes, sizes and load requirements. Therefore, the compression spring has a compression force. The compression spring has the characteristics of high elasticity, high thermal conductivity and high durability. It has high reliability and stability during operation. Compared with ordinary springs, the compression spring is more compact in design, can exert a greater compression effect in a limited space, and save equipment space.

[0028] The two ends of the spring 29 are respectively fixedly connected to the left side of the inner wall of the sleeve 21 and the right side of the moving rod 24. The moving rod 24 is cast in an integrated manner, which improves the integrity. There is no interface inside, and there is no weakness problem at the interface. It does not need to be assembled and can be directly installed, which is convenient for production and maintenance.

[0029] In this embodiment, when disassembly is needed, the moving rod 24 is pushed to move to the left side, and the moving rod 24 drives the spring 29 to be squeezed to the left side. The moving rod 24 moves to the left side, and the right side of the slot 211 will drive the connecting block 210 and the support rod 27 to descend and shrink into the inner wall of the groove 26, and the sleeve 21 is pulled out from the inner wall of the through hole 34 of the screw 1 to achieve quick disassembly.

[0030] Example 2

[0031] like Figure 1-2 As shown, based on Example 1, the utility model provides a technical solution: an auxiliary device 3 is provided on the screw rod 1, and the auxiliary device 3 includes a nut 31, and the nut 31 is fixedly connected to the right side of the screw rod 1, and the outer wall of the screw rod 1 is threadedly connected with a nut 32.

[0032] A through hole 34 is formed on the right side of the screw rod 1 .

[0033] A notch 33 is formed at the top of the screw rod 1 .

[0034] In this embodiment, by inserting the sleeve 21 into the inner wall of the through hole 34 of the screw rod 1, the support rod 27 is extended from the groove 33 and pressed against the left side of the nut 32, and then the knob 25 is twisted to tighten, so that the screw rod 1 and the nut 32 are fixed and will not fall off due to vibration.

[0035] The following is a detailed description of the working principle of this anti-slip wire bolt assembly for precision parts.

[0036] like Figure 1-4As shown, when disassembly is needed during use, the moving rod 24 is pushed to move to the left, and the moving rod 24 drives the spring 29 to be squeezed to the left. The moving rod 24 moves to the left, and the right side of the slot 211 drives the connecting block 210 and the support rod 27 to descend and retract into the inner wall of the groove 26, and the sleeve 21 is pulled out from the inner wall of the through hole 34 of the screw 1 to achieve quick disassembly, and the sleeve 21 is inserted into the inner wall of the through hole 34 of the screw 1, and the support rod 27 is stretched out from the notch 33 and pressed against the left side of the nut 32, and then the knob 25 is twisted to tighten, so as to fix the screw 1 and the nut 32 and prevent them from falling off due to vibration.

Claims

1. A special anti-slip thread bolt assembly for precision parts, comprising a screw rod (1), characterized in that: The screw rod (1) is provided with a mounting device (2); The mounting device (2) comprises a sleeve (21), wherein the sleeve (21) is arranged on the screw rod (1), the inner wall of the sleeve (21) is slidably connected to a moving rod (24), the outer wall of the sleeve (21) is provided with a threaded groove (22), the outer wall of the sleeve (21) is fixedly connected to a fixing plate (23), the outer wall of the threaded groove (22) is threadedly connected to a knob (25), the top of the sleeve (21) is provided with a groove (26), the front side of the inner wall of the groove (26) is hinged with a support rod (27), the bottom of the support rod (27) is fixedly connected to a connecting block (210), and the top of the moving rod (24) is provided with a slot (211).

2. The anti-slip wire bolt assembly for precision parts according to claim 1, characterized in that: The left side of the moving rod (24) is fixedly connected with a fixed rod (28), and the outer wall of the fixed rod (28) is movably sleeved with a spring (29).

3. The anti-slip wire bolt assembly for precision parts according to claim 2, characterized in that: The two ends of the spring (29) are respectively fixedly connected to the left side of the inner wall of the sleeve (21) and the right side of the moving rod (24).

4. The anti-slip wire bolt assembly for precision parts according to claim 1, characterized in that: The screw rod (1) is provided with an auxiliary device (3), the auxiliary device (3) comprising a nut (31), the nut (31) being fixedly connected to the right side of the screw rod (1), and the outer wall of the screw rod (1) being threadedly connected with a nut (32).

5. The anti-slip wire bolt assembly for precision parts according to claim 1, characterized in that: A through hole (34) is provided on the right side of the screw rod (1).

6. The anti-slip wire bolt assembly for precision parts according to claim 1, characterized in that: The top of the screw rod (1) is provided with a notch (33).

Images