Integrated self-locking nut for automobile axle
By designing an integrated self-locking nut for automotive axles with an adjustable inner diameter, the problem of existing self-locking nuts being unable to adapt to different screw diameters is solved, enhancing connection stability under vibration conditions and achieving flexible and secure replacement.
Patent Information
- Application Number
- CN202422821212.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-19
AI Technical Summary
The existing self-locking nuts have a fixed inner diameter, which cannot accommodate screws of different diameters, resulting in inconvenience and the need for frequent replacement. They are also prone to loosening under vibration or other conditions.
An integrated self-locking nut for automotive axles was designed. It uses an adjustable inner diameter half-nut structure, including half-nut one and half-nut two, to achieve inner diameter adjustment through the cooperation of threaded rod and locking rod, and enhances the firmness through the design of rotating rod and movable bar.
The self-locking nut is designed to adapt to screws of different inner diameters and is less prone to loosening under vibration conditions, making it more secure in use.
Smart Images

Figure CN223754443U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile axle, especially relates to a one-piece self-locking nut for automobile axle. BACKGROUND
[0002] The self-locking nut is a kind of nut that can be self-locked by friction, and general nut will be self-loosened due to vibration and other reasons in the use process, to prevent this phenomenon, so the self-locking nut is invented, and the function of the self-locking nut is mainly anti-loosening and anti-vibration, which is used in special occasions, and the working principle is generally self-locked by friction.
[0003] The existing patent number CN218913437U discloses a one-piece self-locking nut, which comprises a first self-locking mechanism and a second self-locking mechanism, the first self-locking mechanism comprises a nut body, a self-locking friction gasket and a self-locking spring plate, the nut body is fixedly connected with the plug-in block, the self-locking friction gasket is fixedly connected with the plug-in block, and the self-locking spring plate is fixedly connected with the nut body. Through the reaction force of the self-locking spring plate when being compressed, the stability of the connection is improved again, at the same time, the self-locking spring plate compresses the protective rubber pad and the No. 2 connecting plate, at this time, the No. 1 spring and the No. 2 spring are compressed, through the reaction force of the No. 1 spring and the No. 2 spring, the reaction force of the self-locking spring plate is increased, the self-locking performance is improved, and the loosening of the bolt and the nut is avoided.
[0004] Through the above-mentioned embodiments of the utility model, when the bolt is tightened to the equipment through the nut body, the self-locking friction gasket is extruded with the contact surface, the self-locking friction gasket and the equipment surface are tightly extruded through extrusion, the friction force at the connection is improved, the stability of the connection is improved by increasing the friction force at the friction position, and the loosening of the bolt and the nut is avoided. The inner diameter of the nut is fixed, and it can only adapt to one diameter size of screw, so when the screw is replaced, the nut needs to be replaced, which is very troublesome, and each screw must be equipped with a nut with a certain inner diameter, so the use is low and not comprehensive. UTILITY MODEL CONTENTS
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a one-piece self-locking nut for automobile axle, comprising: half nut one and screw, the outer surface of the half nut one is fixedly connected with L plate, the inside of the L plate is movably embedded with threaded rod two, one end of the threaded rod two is fixedly connected with clamping rod, the outer surface of the screw is provided with a plurality of lock holes, and the clamping rod is movably embedded in the inside of one of the lock holes.
[0006] The technical effect of the further scheme is that rotating the threaded rod II moves inside the L-shaped plate, drives the clamping rod to move forward and backward, and at this time, the clamping rod is clamped inside the lock hole to prevent the half nut I from loosening, and the half nut I cannot easily rotate on the outer surface of the nut, and is more secure.
[0007] As a preferred embodiment, the outer surface of the half nut I is fixedly connected with a plurality of fixed blocks II, the inner part of each of the plurality of fixed blocks II is movably embedded with a rotating rod, and the outer surface of each of the plurality of rotating rods is movably sleeved with a movable strip.
[0008] The technical effect of the further scheme is that pulling the movable strip rotates around the two fixed blocks II as the center through the rotating rod.
[0009] As a preferred embodiment, the outer surface of the half nut I is fixedly connected with a plurality of fixed blocks II, the inner part of each of the plurality of fixed blocks II is movably embedded with a rotating rod, and the outer surface of each of the plurality of rotating rods is movably sleeved with a movable strip.
[0010] The technical effect of the further scheme is that the half nut I and the half nut II are connected through the plurality of limiting telescopic rods, and the size of the half nut I and the half nut II can be changed.
[0011] As a preferred embodiment, the inner part of each of the plurality of fixed blocks I is movably embedded with a threaded rod I, each of the plurality of threaded rods I is movably embedded inside a clamping hole, and the outer surface of the screw is fixedly connected with a nut at the top.
[0012] The technical effect of the further scheme is that the clamping hole is located directly below the threaded rod I, then the threaded rod I is rotated and moved downward inside the fixed block I, at this time, the threaded rod I is clamped inside the clamping hole to limit the movable strip, a plurality of fixed blocks I are arranged at different positions, the inner diameter of the half nut I and the half nut II can be changed, the size of the inner diameter can be changed, and different sizes of screws can be adapted.
[0013] Compared with the prior art, the utility model has the advantages and positive effects that,
[0014] 1. In use, the movable strip rotates around the two fixed blocks II as the center through the rotating rod, at this time, the clamping hole is located directly below the threaded rod I, then the threaded rod I is rotated and moved downward inside the fixed block I, at this time, the threaded rod I is clamped inside the clamping hole to limit the movable strip, a plurality of fixed blocks I are arranged at different positions, the inner diameter of the half nut I and the half nut II can be changed, the size of the inner diameter can be changed, and different sizes of screws can be adapted.
[0015] 2、The utility model discloses, when using, rotate threaded rod two inside the movement of L board, drive card rod moves before and after, at this time, card rod is clamped to the inside of lock hole, prevent the situation that half nut one appears loose, half nut one will not easily rotate on the outer surface of the nut, more firm. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A three-dimensional structure schematic diagram of the integrated self-locking nut for automobile axle is provided for the utility model;
[0017] Figure 2 An enlarged structure schematic diagram of A of the integrated self-locking nut for automobile axle is provided for the utility model;
[0018] Figure 3 A whole structure schematic diagram of the integrated self-locking nut for automobile axle is provided for the utility model;
[0019] Figure 4 A screw structure schematic diagram of the integrated self-locking nut for automobile axle is provided for the utility model.
[0020] Legend: 101, half nut one; 102, half nut two; 103, fixed block one; 104, threaded rod one; 105, limit telescopic rod; 106, fixed block two; 107, rotating rod; 108, movable strip; 109, clamping hole; 110, nut; 111, screw; 112, lock hole; 113, L plate; 114, threaded rod two; 115, card rod. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further explained below in combination with the drawings and examples. It should be explained that the examples and features in the examples of the present application can be combined with each other without conflict.
[0022] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific examples disclosed in the following disclosure.
[0023] Please refer to Figures 1 to 4The utility model provides a kind of integrated self-locking nut for automobile axle, it include: half nut one 101 and screw 111, the outer surface of half nut one 101 is fixedly connected with L plate 113, L plate 113 is movably embedded with threaded rod two 114, one end of threaded rod two 114 is fixedly connected with clamping rod 115, the outer surface of screw 111 is equipped with multiple lock holes 112, clamping rod 115 is movably embedded in the inside of one of lock holes 112, threaded rod two 114 is moved in the inside of L plate 113, drive clamping rod 115 to move back and forth, clamping rod 115 is clamped to the inside of lock hole 112 at this time, prevent half nut one 101 from loosening, half nut one 101 cannot easily rotate on the outer surface of nut 110, more firm.
[0024] As Figures 1 to 4 As shown in the utility model, the outer surface of half nut one 101 is fixedly connected with multiple fixed blocks two 106, the inside of multiple fixed blocks two 106 is movably embedded with rotating rod 107, the outer surface of multiple rotating rod 107 is movably sleeved with movable strip 108, movable strip 108 is rotated around two fixed blocks two 106 as center by rotating rod 107.
[0025] As Figures 1 to 4 As shown in the utility model, the outer surface of half nut one 101 is fixedly connected with multiple limiting telescopic rods 105, one end of multiple limiting telescopic rods 105 is fixedly connected with half nut two 102, the size of half nut two 102 is matched with half nut one 101, the outer surface of half nut two 102 is fixedly connected with multiple fixed blocks one 103, half nut one 101 is connected with half nut two 102 by multiple limiting telescopic rods 105, and the size of half nut one 101 and half nut two 102 can be changed.
[0026] As Figures 1 to 4 As shown in the utility model, the inside of multiple fixed blocks one 103 is movably embedded with threaded rod one 104, multiple threaded rod one 104 is movably embedded in the inside of multiple clamping holes 109, the top of the outer surface of screw 111 is fixedly connected with nut 110, clamping hole 109 is located below threaded rod one 104, then threaded rod one 104 is rotated in the inside of fixed block one 103 and moves downward, threaded rod one 104 is clamped to the inside of clamping hole 109 to limit movable strip 108 at this time, multiple fixed blocks one 103 are provided and are located at different positions, so that the inner diameter size of half nut one 101 and half nut two 102 can be changed, the size of inner diameter can be changed, and different inner diameter size of screw can be adapted.
[0027] Working principle: pull the activity strip 108 through the rotating rod 107 rotates around two fixed block two 106 as the center of rotation, at this time the card hole 109 is located below the threaded rod one 104, then rotate the threaded rod one 104 rotates in the fixed block one 103 and moves down, at this time the threaded rod one 104 card to the inside of the card hole 109 to the activity strip 108 is limited, provided with a plurality of fixed block one 103 and is in different positions, so that the inner diameter of the half nut one 101 and half nut two 102 size can change, change the size of the inner diameter, can adapt to different size of the screw. Rotate the threaded rod two 114 moves in the L plate 113, drive the clamp rod 115 moves forward and backward, at this time the clamp rod 115 card to the inside of the lock hole 112, prevent the half nut one 101 from loose, half nut one 101 will not easily rotate on the outer surface of the nut 110, more secure.
[0028] The above is only the preferred embodiment of the present application, not the other forms of the present application for other restrictions, any skilled in the art of the technical personnel may use the above disclosed technical content to change or modification for equivalent examples of equivalent changes applied to other fields, but any simple modification, equivalent changes and modification of the above examples, which do not deviate from the technical scheme of the present application, according to the technical essence of the present application, still belong to the protection scope of the technical scheme of the present application.
Claims
1. An integrated self-locking nut for automotive axles, comprising: The utility model provides a half nut (101) and screw (111), its characterized in be that the outer surface of half nut (101) is fixedly connected with L plate (113), the inside of L plate (113) is movably embedded with threaded rod no.
2. An integrated self-locking nut for automotive axle as claimed in claim 1, wherein: The outer surface of the half nut (101) is fixedly connected with a plurality of fixed blocks (106).
3. An integrated self-locking nut for automotive axle shafts according to claim 2, characterized in that: The inside of a plurality of the fixed blocks (106) is movably embedded with a rotating rod (107), and the outer surface of a plurality of the rotating rods (107) is movably sleeved with a movable strip (108).
4. An integrated self-locking nut for an automotive axle as set forth in claim 3, characterized in that: The outer surface of the half nut (101) is fixedly connected with a plurality of limiting telescopic rods (105), and one end of a plurality of the limiting telescopic rods (105) is fixedly connected with a half nut (102).
5. An integrated self-locking nut for automotive axle shafts according to claim 4, characterized in that: The half nut (102) is matched in size with the half nut (101), and the outer surface of the half nut (102) is fixedly connected with a plurality of fixed blocks (103).
6. An integrated self-locking nut for an automotive axle as set forth in claim 5, characterized in that: The inside of a plurality of the fixed blocks (103) is movably embedded with a threaded rod (104), and a plurality of the threaded rods (104) are movably embedded in a plurality of clamping holes (109).
7. An integrated self-locking nut for automotive axle shafts according to claim 6, characterized in that: The top of the outer surface of the screw (111) is fixedly connected with a nut (110).
Citation Information
Patent Citations
Integrated self-locking nut
CN218913437U