Multifunctional self-locking nut

Abstract

The utility model belongs to the field of self-locking nuts, and particularly relates to a multifunctional self-locking nut which comprises a nut body. Grooves are formed in the two sides of the nut body, and a limiting fixing mechanism is arranged in the nut body. The limiting and fixing mechanism comprises first fixing blocks, the first fixing blocks are arranged on the two sides, close to the groove, of the side end of the nut body, the rear ends of the first fixing blocks are fixedly connected with the side end of the nut body, and the inner sides of the first fixing blocks are fixedly connected with the upper end and the lower end of a first fixing rod. Through the design of the limiting and fixing mechanism, the function that the self-locking nut can be conveniently detached without damaging a self-locking nut body is achieved, and the problems that an existing self-locking nut is not provided with an assembly convenient to detach, after the self-locking nut is installed on a bolt, the self-locking nut cannot be effectively detached, and when the detached self-locking nut is damaged, the self-locking nut cannot be effectively detached are solved. Therefore, the repeated utilization rate of the self-locking nut is improved.

Description

Technical Field

[0001] The utility model relates to the field of self-locking nuts, in particular to a multifunctional self-locking nut. Background Art

[0002] Self-locking nuts are nut that can self-lock by friction. Ordinary nuts will loosen by themselves due to vibration and other reasons during use. In order to prevent this phenomenon, self-locking nuts were invented. The functions of self-locking nuts are mainly anti-loosening and anti-vibration. They are used in special occasions. Their working principle is generally self-locking by friction.

[0003] The existing self-locking nuts can specifically refer to the application number: CN202221372069.3, a self-locking nut, including a self-locking nut, including a hexagonal nut body, the inner wall of the nut body is provided with a thread, one side end face of the nut body is fixedly connected to a circular chassis, the outer peripheral side of the nut body is provided with a groove, a rotating nut sleeve is sleeved on the groove, the inner wall of the nut body is provided with an annular groove, the inner wall of the annular groove away from the side of the center line of the nut body is also provided with at least two connecting holes, the inner wall of the groove of the nut body is fixedly connected to at least two limit blocks, the utility model through the setting of the abutment ball, when the abutment ball leaks out of the connecting hole, a quasi-thread tooth can be formed, because the slope of this thread tooth is different from that of the original thread tooth, so that the nut will be stuck when rotating and cannot be rotated in the opposite direction, thereby forming self-locking, effectively avoiding vibration and causing the nut to fall off;

[0004] The above-mentioned self-locking nut is not provided with a component that can be easily removed. When the self-locking nut is installed on the bolt, it cannot be effectively removed, and the nut will be damaged after removal and cannot be used again. Therefore, a multifunctional self-locking nut is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, the existing self-locking nuts are not provided with components that can be easily removed. When the self-locking nuts are installed on the bolts, they cannot be effectively removed, and the nuts will be damaged after removal and cannot be used again. The utility model proposes a multifunctional self-locking nut.

[0006] The technical solution adopted by the utility model to solve the technical problem is: the multifunctional self-locking nut of the utility model comprises a nut body; grooves are provided on both sides of the nut body, and a limited position fixing mechanism is arranged inside the nut body;

[0007] The limiting fixing mechanism includes a first fixing block, which is arranged on both sides of the side end of the nut body close to the groove, the rear end of the first fixing block is fixedly connected to the side end of the nut body, the inner side of the first fixing block is fixedly connected to the upper and lower ends of the first fixing rod, the outer side of the first fixing rod is sleeved with a first rotating block, and the first fixing rod is rotatably connected to the first rotating block, and one side of the first rotating block is fixedly connected to one end of the transmission rod.

[0008] Preferably, the other end of the transmission rod is fixedly connected to the outer side of the second rotating block, the second rotating block is sleeved on the outer side of the second fixed rod, and the second rotating block is rotatably connected to the second fixed rod, the upper and lower ends of the second fixed rod are fixedly connected to the inner side of the second fixed block, and the rear end of the second fixed block is fixedly connected to the outer side of the moving rod near the rear end.

[0009] Preferably, a third rotating block is sleeved on the outer side of the rear end of the moving rod, and the moving rod is rotatably connected to the third rotating block, and the front end of the moving rod is fixedly connected to the rear end of the limit block.

[0010] Preferably, the upper and lower ends of the third rotating block are both provided with inserting blocks, and the third rotating block is fixedly connected to the rear end of the inserting block.

[0011] Preferably, a third fixed block is provided at the upper and lower ends of the side end of the nut body close to the groove, and the side end of the nut body is fixedly connected to one side of the third fixed block, the front end of the third rotating block is inserted into the third fixed block, and the opening directions of the third fixed blocks at the upper and lower ends of the side end of the nut body are designed in opposite directions.

[0012] Preferably, a slide groove is provided at the bottom end of the groove, the bottom end of the moving rod is fixedly connected to the top end of the slider, the bottom end of the slider is inserted into the slide groove, and the slider is slidably connected to the slide groove.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the function of facilitating the removal of the self-locking nut without damaging the main body of the self-locking nut through the structural design of the limiting fixing mechanism, solves the problem that the existing self-locking nut is not provided with a component that can be easily removed, and when the self-locking nut is installed on the bolt, it cannot be effectively removed, and the self-locking nut will be damaged after removal and cannot be used again, thereby improving the reuse rate of the self-locking nut;

[0015] 2. The utility model realizes the function of easy disassembly through the structural design of the limiting fixing mechanism, solves the problem that the existing self-locking nuts are not provided with components that can be easily disassembled, making it difficult to disassemble and more laborious during the disassembly process, and the self-locking nuts cannot be easily removed, thereby improving the convenience of disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 For the utility model Figure 1 A in the middle is an enlarged schematic diagram of the structure;

[0020] Figure 4 For the utility model Figure 2 The enlarged schematic diagram at B in the middle is a schematic diagram of the structure.

[0021] In the figure: 1. nut body; 10. groove; 11. first fixed block; 12. first fixed rod; 13. first rotating block; 14. transmission rod; 15. second rotating block; 16. second fixed rod; 17. second fixed block; 18. moving rod; 19. third rotating block; 20. insert block; 21. third fixed block; 22. limit block; 23. slide groove; 24. slider. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 As shown, the multifunctional self-locking nut comprises a nut body 1; grooves 10 are provided on both sides of the nut body 1, and a limited position fixing mechanism is provided inside the nut body 1;

[0024] The position-limiting fixing mechanism includes a first fixing block 11, which is arranged on both sides of the side end of the nut body 1 near the groove 10, the rear end of the first fixing block 11 is welded to the side end of the nut body 1, the inner side of the first fixing block 11 is welded to the upper and lower ends of the first fixing rod 12, the outer side of the first fixing rod 12 is sleeved with a first rotating block 13, and the first fixing rod 12 is rotatably connected to the first rotating block 13, the inner walls of the first fixing rod 12 and the first rotating block 13 are both circular in design, one side of the first rotating block 13 is welded to one end of the transmission rod 14, and the transmission rod 14 is a circular rod design;

[0025] During operation, the transmission rod 14 turns over, driving the first rotating block 13 at one end of the transmission rod 14 to rotate along the surface of the first fixing rod 12 inside the first fixing block 11, so as to fix the position of the self-locking nut to prevent loosening.

[0026] Furthermore, the other end of the transmission rod 14 is welded to the outer side of the second rotating block 15, the second rotating block 15 is sleeved on the outer side of the second fixed rod 16, and the second rotating block 15 is rotatably connected to the second fixed rod 16, the inner wall of the second rotating block 15 and the second fixed rod 16 are both circular in design, the upper and lower ends of the second fixed rod 16 are welded to the inner side of the second fixed block 17, the rear end of the second fixed block 17 is welded to the outer side of the moving rod 18 near the rear end, and the moving rod 18 is designed as a circular rod;

[0027] During operation, the moving rod 18 moves inward, driving the second rotating block 15 at the other end of the transmission rod 14 to rotate along the surface of the second fixed rod 16 inside the second fixed block 17, and causing the transmission rod 14 to flip over, so as to fix the position of the self-locking nut to prevent loosening.

[0028] Furthermore, a third rotating block 19 is sleeved on the outer side of the rear end of the moving rod 18, and the moving rod 18 is rotatably connected to the third rotating block 19. The rear end of the moving rod 18 and the inner wall of the third rotating block 19 are both circular in design, and the front end of the moving rod 18 is welded to the rear end of the limit block 22;

[0029] During operation, the self-locking nut is first screwed onto the bolt. When it reaches the appropriate position, the third rotating blocks 19 on both sides of the nut body 1 are pushed and pressed inward at the same time, driving the moving rod 18 and the limit block 22 to move inward at the same time until the front end of the limit block 22 is against the bolt. When the limit block 22 is against the side end of the bolt, the friction force can be increased to prevent the self-locking nut from loosening, and it is used to fix the position of the self-locking nut to prevent it from loosening.

[0030] Furthermore, the upper and lower ends of the third rotating block 19 are both provided with plug blocks 20, and the third rotating block 19 and the rear end of the plug block 20 are welded together, and the top end of the plug block 20 is designed to be arc-shaped;

[0031] During operation, the third rotating block 19 is rotated, driving the inserting blocks 20 at the upper and lower ends of the third rotating block 19 to rotate simultaneously, so as to fix the position of the self-locking nut to prevent it from loosening.

[0032] Furthermore, a third fixing block 21 is provided at the upper and lower ends of the side end of the nut body 1 close to the groove 10, and the side end of the nut body 1 is welded to one side of the third fixing block 21, the front end of the third rotating block 19 is inserted inside the third fixing block 21, and the opening directions of the third fixing blocks 21 at the upper and lower ends of the side end of the nut body 1 are designed in opposite directions;

[0033] During operation, the third rotating block 19 is rotated, driving the insert blocks 20 at the upper and lower ends of the third rotating block 19 to rotate simultaneously, until the insert blocks 20 at the upper and lower ends are fully inserted into the third fixed block 21, the position of the movable rod 18 can be fixed, which is used to fix the position of the self-locking nut to prevent loosening.

[0034] Furthermore, a slide groove 23 is provided at the bottom of the groove 10, the bottom of the moving rod 18 is welded to the top of the slider 24, the bottom of the slider 24 is inserted into the slide groove 23, and the slider 24 is slidably connected to the slide groove 23, and both the slider 24 and the slide groove 23 are square in design;

[0035] During operation, when the moving rod 18 moves inward, it drives the slider 24 to move along the slide groove 23 provided at the bottom end of the groove 10, so as to fix the position of the self-locking nut to prevent it from loosening.

[0036] Working principle: when the position of the self-locking nut needs to be fixed to prevent it from loosening, first screw the self-locking nut onto the bolt, and when it reaches the appropriate position, push and press the third rotating blocks 19 on both sides of the nut body 1 inward at the same time, driving the moving rod 18 and the limit block 22 to move inward at the same time until the front end of the limit block 22 abuts against the bolt, and the limit block 22 can increase the friction force when it abuts against the side end of the bolt, which can prevent the self-locking nut from loosening, and when the moving rod 18 moves inward, it drives the second rotating block 15 at the other end of the transmission rod 14 to rotate along the surface of the second fixed rod 16 inside the second fixed block 17, and makes the transmission rod 14 rotate. The movable rod 14 flips, and when the transmission rod 14 flips, the first rotating block 13 at one end of the transmission rod 14 is driven to rotate along the surface of the first fixed rod 12 inside the first fixed block 11. At the same time, when the movable rod 18 moves inward, the slider 24 is driven to move along the slide groove 23 opened at the bottom end of the groove 10. Finally, the third rotating block 19 is rotated, and the plug blocks 20 at the upper and lower ends of the third rotating block 19 are driven to rotate at the same time. When the plug blocks 20 at the upper and lower ends are completely inserted into the third fixed block 21, the position of the movable rod 18 can be fixed, which is used to fix the position of the self-locking nut to prevent loosening.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A multifunctional self-locking nut, comprising a nut body (1); characterized in that: Grooves (10) are provided on both sides of the nut body (1), and a limited position fixing mechanism is provided inside the nut body (1); The position limiting and fixing mechanism comprises a first fixing block (11), the first fixing block (11) being arranged on both sides of the side end of the nut body (1) close to the groove (10), the rear end of the first fixing block (11) being fixedly connected to the side end of the nut body (1), the inner side of the first fixing block (11) being fixedly connected to the upper and lower ends of a first fixing rod (12), the outer side of the first fixing rod (12) being sleeved with a first rotating block (13), the first fixing rod (12) being rotatably connected to the first rotating block (13), and one side of the first rotating block (13) being fixedly connected to one end of a transmission rod (14).

2. The multifunctional self-locking nut according to claim 1, characterized in that: The other end of the transmission rod (14) is fixedly connected to the outer side of the second rotating block (15); the second rotating block (15) is sleeved on the outer side of the second fixed rod (16); the second rotating block (15) is rotatably connected to the second fixed rod (16); the upper and lower ends of the second fixed rod (16) are fixedly connected to the inner side of the second fixed block (17); and the rear end of the second fixed block (17) is fixedly connected to the outer side of the moving rod (18) near the rear end.

3. The multifunctional self-locking nut according to claim 2, characterized in that: A third rotating block (19) is sleeved on the outer side of the rear end of the moving rod (18), and the moving rod (18) is rotatably connected to the third rotating block (19), and the front end of the moving rod (18) is fixedly connected to the rear end of the limit block (22).

4. The multifunctional self-locking nut according to claim 3, characterized in that: Insertion blocks (20) are provided at the upper and lower ends of the third rotating block (19), and the third rotating block (19) is fixedly connected to the rear end of the insertion block (20).

5. The multifunctional self-locking nut according to claim 4, characterized in that: A third fixing block (21) is provided at both the upper and lower ends of the side end of the nut body (1) close to the groove (10), and the side end of the nut body (1) is fixedly connected to one side of the third fixing block (21), the front end of the third rotating block (19) is inserted into the inside of the third fixing block (21), and the opening directions of the third fixing blocks (21) at the upper and lower ends of the side end of the nut body (1) are designed in opposite directions.

6. The multifunctional self-locking nut according to claim 5, characterized in that: A sliding groove (23) is provided at the bottom end of the groove (10), the bottom end of the moving rod (18) is fixedly connected to the top end of the sliding block (24), the bottom end of the sliding block (24) is inserted into the sliding groove (23), and the sliding block (24) is slidably connected to the sliding groove (23).

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