Self-locking slotted half-shaft nut

By incorporating a reinforcing flange and locking components in the self-locking slotted half-shaft nut, the friction and engagement force between the nut and the half-shaft are enhanced, solving the problem of loosening under vibration and impact in traditional nut connection methods and achieving a more efficient anti-loosening effect.

CN223953053UActive Publication Date: 2026-02-27ZHEJIANG HONGYANG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520793736.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-02-27
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

Traditional nut connections are prone to loosening when faced with vibrations, impacts during vehicle operation, and fatigue after long-term use. Existing anti-loosening mechanisms have limitations and cannot effectively prevent nuts from loosening under high-intensity impacts.

Method used

The self-locking slotted half-shaft nut is designed with a reinforcing flange and locking components on the outer surface of the nut body. These components include multiple magnets placed in slots, first and second self-locking blocks, positioning slots, positioning pins, and pin slots. This design enhances the friction and engagement force between the nut and the half-shaft, preventing loosening.

Benefits of technology

It effectively prevents nuts from loosening under complex working conditions, improves self-locking performance, adapts to vibration and impact, improves installation efficiency and quality, and reduces the risk of loosening.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of half shaft nuts, and provides a self-locking slotted half shaft nut which comprises a half shaft nut body, a reinforcing flange is arranged on the outer surface of the half shaft nut body, a locking assembly is arranged in the reinforcing flange, and the self-locking slotted half shaft nut further comprises a plurality of containing grooves which are all formed in the outer surface of the half shaft nut body. When the self-locking half-shaft nut is used, due to the arrangement of the first self-locking block and the second self-locking block, the friction force and the meshing force between the nut and the half-shaft nut body are increased, the half-shaft nut body can be effectively prevented from loosening on a half shaft, and compared with fixing only relying on a cotter pin, the self-locking performance is greatly improved; the anti-loosening device is simple in structure and convenient to operate, can better adapt to vibration and impact under complex working conditions, facilitates personnel operation, facilitates improvement of installation efficiency and quality, and solves the problem that certain limitation exists in an anti-loosening mechanism which only depends on a cotter pin to fix the half-shaft nut in the prior art.
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Description

TECHNICAL FIELD

[0001] The utility model relates to half shaft nut technical field especially relates to a self -locking slotted half shaft nut. BACKGROUND

[0002] With the continuous development of automobiles and various mechanical equipment, higher requirements are put forward for the reliability and safety of its parts, and as a key component for power transmission, the connection stability of half shaft and parts such as wheel hub is crucial, the traditional nut connection mode is prone to looseness when facing the vibration, impact and fatigue of long-term use in the process of vehicle driving, thereby affecting the normal operation of the vehicle or equipment, and even causing safety accidents, therefore, a connecting device capable of effectively preventing nut loosening is needed, and the self-locking slotted half shaft nut emerges as the times require.

[0003] As an important element to ensure the stable connection of half shaft and key parts such as wheel hub, the self-locking slotted half shaft nut is widely used in various automobiles and mechanical equipment, and its working principle is that when the nut is tightened on the half shaft according to the specified torque, the cotter pin needs to be accurately inserted through the slot on the outer periphery of the nut and the hole corresponding to the half shaft end, so as to prevent the nut from loosening, however, the anti-loosening mechanism of the half shaft nut relying on the cotter pin only has certain limitations, although the cotter pin can prevent the nut from rotating to a certain extent, it is limited by its own structural characteristics, but when the equipment encounters sudden high impact load, the strong external force generated instantaneously may cause the nut to withstand a large torque in a very short time, at this time, the restraining resistance provided by the cotter pin is far from enough to resist this strong force, and the nut is easy to break through the limitation of the cotter pin and rotate, thereby causing the nut to loosen. SUMMARY

[0004] The utility model discloses a kind of self-locking slotted half shaft nuts, and the purpose is to solve the problem that the anti-loosening mechanism of half shaft nut relying on cotter pin only in prior art has certain limitations.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a self-locking slotted half shaft nut, comprising a half shaft nut body, a reinforcing flange is provided on the outer surface of the half shaft nut body, a locking assembly is provided in the reinforcing flange, further comprising:

[0006] A plurality of placement grooves are provided on the outer surface of the half shaft nut body, and a magnet is provided in each of the plurality of placement grooves.

[0007] As a preferred embodiment, the locking assembly comprises a first self-locking block, the first self-locking block is movably embedded in the reinforcing flange, and a positioning groove is provided on both sides of the reinforcing flange.

[0008] The technical effect of the further scheme is that the first self-locking block can be embedded into the inside of the reinforcing flange.

[0009] As a preferred embodiment, the first self-locking block is fixedly installed with positioning columns on both sides, and the two positioning columns are matched with the positioning groove.

[0010] The technical effect of the further scheme is that the positioning columns can be embedded into the inside of the positioning groove.

[0011] As a preferred embodiment, the first self-locking block is movably embedded into the inside of the half shaft nut body, and the inside of the reinforcing flange movably embeds a bolt column.

[0012] The technical effect of the further scheme is that the first self-locking block can pass through the reinforcing flange and the half shaft nut body and be embedded into the thread line on the half shaft.

[0013] As a preferred embodiment, the inside of the first self-locking block is provided with a bolt groove, and the bolt column is matched with the bolt groove.

[0014] The technical effect of the further scheme is that the bolt column can be embedded into the bolt groove.

[0015] As a preferred embodiment, the locking assembly further comprises a second self-locking block and two threaded grooves, the second self-locking block is movably embedded into the inside of the reinforcing flange, the top of the second self-locking block is fixedly installed with a limiting plate, and the limiting plate is movably embedded into the inside top side of the reinforcing flange.

[0016] The technical effect of the further scheme is that the second self-locking block can be embedded into the reinforcing flange.

[0017] As a preferred embodiment, the inside of the limiting plate is screw-connected with bolts on both sides, the two threaded grooves are provided in the inside of the reinforcing flange, and the two bolts are matched with the threaded grooves.

[0018] The technical effect of the further scheme is that the bolts can be embedded into the threaded grooves.

[0019] As a preferred embodiment, the left side of the half shaft nut body is provided with a rubber gasket.

[0020] The technical effect of the further scheme is that the half shaft nut body can be rotated, so that the rubber gasket can be tightly attached to the connecting component.

[0021] Compared with the prior art, the advantages and positive effects of the utility model lie in that

[0022] The utility model discloses, in use, through the setting of first self -locking block and second self -locking block structure, not only increased the friction and the occlusal force between the nut and half shaft nut body, can effectively prevent half shaft nut body loose on half shaft, compare only rely on split pin fixed, greatly improved self -locking performance, better adapt complex working condition's vibration and impact, convenient for personnel operation, be favorable to improving installation efficiency and quality, solved the problem that only rely on split pin to fix half shaft nut's anti -loose mechanism in prior art has certain limit. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A rear view solid structure schematic diagram of a self -locking slotted half shaft nut is provided for the utility model;

[0024] Figure 2 A partial solid structure schematic diagram of a self -locking slotted half shaft nut is provided for the utility model Figure One ;

[0025] Figure 3 A reinforcing flange cross section solid structure schematic diagram of a self -locking slotted half shaft nut is provided for the utility model Figure One ;

[0026] Figure 4 A partial solid structure schematic diagram of a self -locking slotted half shaft nut is provided for the utility model Figure Two ;

[0027] Figure 5 A reinforcing flange cross section solid structure schematic diagram of a self -locking slotted half shaft nut is provided for the utility model Figure Two .

[0028] LEGEND:

[0029] 1, half shaft nut body;101, reinforcing flange;102, first self -locking block;103, positioning groove;104, positioning column;105, bolt slot;106, bolt column;2, second self -locking block;201, limit board;202, bolt;203, thread groove;3, placing groove;301, magnet;302, rubber washer. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] Embodiment 1, please refer to Figures 1 to 3The utility model provides a technical scheme: a self locking slotted half shaft nut, including half shaft nut body 1, the outer surface of half shaft nut body 1 is provided with reinforcing flange 101, the inside of reinforcing flange 101 is provided with locking assembly, still include: multiple placing groove 3, all be set up in the outer surface of half shaft nut body 1, the inside of multiple placing groove 3 all is provided with magnet 301, locking assembly includes first self locking block 102, first self locking block 102 movably embeds in the inside of reinforcing flange 101, the both sides of the inside of reinforcing flange 101 are provided with positioning groove 103, the both sides of first self locking block 102 all are fixedly installed with positioning column 104, two positioning columns 104 all are matched with positioning groove 103, first self locking block 102 movably embeds in the inside of half shaft nut body 1, the inside of reinforcing flange 101 movably embeds has bolt post 106, the inside of first self locking block 102 is provided with bolt slot 105, bolt post 106 is matched with bolt slot 105, the left side of half shaft nut body 1 is provided with rubber washer 302.

[0032] In the embodiment, personnel can first tighten the half shaft nut body 1 on the half shaft, and fix the half shaft nut body 1 and the half shaft by passing the cotter pin through the slot formed in the outer periphery of the half shaft nut body 1 and the hole formed in the corresponding position of the half shaft shaft end, then personnel embed the first self locking block 102 in the inside of the reinforcing flange 101, so that the positioning column 104 is embedded into the positioning groove 103, and the first self locking block 102 can pass through the reinforcing flange 101 and the half shaft nut body 1 and be embedded into the thread on the half shaft, then personnel take up the bolt post 106 and embed it into the bolt slot 105 to fix the first self locking block 102 and the half shaft nut body 1 and strengthen the self locking ability, and when installing, personnel can first put the half shaft nut body 1 into the socket wrench, then adsorb the half shaft nut body 1 in the socket wrench by the magnet 301 in the placing groove 3, and then rotate the half shaft nut body 1 by the socket wrench to tighten it on the half shaft, so that the rubber washer 302 can fit the connecting part.

[0033] As shown in Figures 4 to 5 the locking assembly further includes a second self locking block 2 and two threaded grooves 203, the second self locking block 2 is movably embedded in the inside of the reinforcing flange 101, the second self locking block 2 is fixedly installed with a limiting plate 201 on the top, the limiting plate 201 is movably embedded in the inside top side of the reinforcing flange 101, the inside of the limiting plate 201 is screw-connected with two bolts 202 on both sides, the two threaded grooves 203 are formed in the inside of the reinforcing flange 101, and the two bolts 202 are matched with the threaded grooves 203.

[0034] In this embodiment, after the half shaft nut body 1 is fixed with the half shaft, the personnel can embed the second self-locking block 2 in the reinforcing flange 101, so that it can pass through the reinforcing flange 101 and the half shaft nut body 1, and be embedded in the thread line on the half shaft, and at the same time, the limiting plate 201 can be embedded in the inside of the reinforcing flange 101, and the bolt 202 is rotated to enter the thread groove 203 in the inside of the reinforcing flange 101, so as to fix the second self-locking block 2 and the half shaft nut body 1.

[0035] Working principle: in use, personnel can first tighten the half shaft nut body 1 on the half shaft, and fix the half shaft nut body 1 with the half shaft by passing through the opening slot on the outer periphery of the half shaft nut body 1 and the hole position corresponding to the half shaft shaft end, then the personnel embed the first self-locking block 102 in the inside of the reinforcing flange 101, so that the positioning column 104 is embedded in the positioning groove 103, and the first self-locking block 102 can pass through the reinforcing flange 101 and the half shaft nut body 1, and be embedded in the thread line on the half shaft, then the personnel pick up the plug pin column 106 and embed it in the plug pin groove 105, so as to fix the first self-locking block 102 and the half shaft nut body 1, and strengthen the self-locking ability, and after the half shaft nut body 1 is fixed with the half shaft, the personnel can embed the second self-locking block 2 in the reinforcing flange 101, so that it can pass through the reinforcing flange 101 and the half shaft nut body 1, and be embedded in the thread line on the half shaft, and at the same time, the limiting plate 201 can be embedded in the inside of the reinforcing flange 101, and the bolt 202 is rotated to enter the thread groove 203 in the inside of the reinforcing flange 101, so as to fix the second self-locking block 2 and the half shaft nut body 1, and through the structure of the first self-locking block 102 and the second self-locking block 2, not only the friction and engagement force between the nut and the half shaft nut body 1 are increased, but also the self-locking performance is improved, which is better adapted to the vibration and impact under complex working conditions, and is convenient for personnel to operate, which is helpful to improve the installation efficiency and quality. In use, personnel can first put the half shaft nut body 1 into the socket wrench, and then through the magnet 301 in the placing groove 3, the half shaft nut body 1 is adsorbed in the socket wrench, and then the half shaft nut body 1 is rotated by the socket wrench to be tightened on the half shaft, and the rubber gasket 302 can be tightly attached to the connecting part, and through the structure of the magnet 301 and the placing groove 3, the half shaft nut body 1 is not easy to fall off from the socket wrench, especially in some small space or inconvenient position, the installation efficiency can be effectively improved, and the trouble of re-finding and installing due to the falling of the half shaft nut body 1 is reduced.

[0036] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A self-locking slotted half shaft nut, comprising a half shaft nut body (1), the outer surface of the half shaft nut body (1) is provided with a reinforcing flange (101), the inside of the reinforcing flange (101) is provided with a locking assembly, characterized in that, Also include: A plurality of placement slots (3) are opened in the outer surface of the half shaft nut body (1), and the interiors of the plurality of placement slots (3) are provided with magnets (301).

2. A self-locking slotted half shaft nut according to claim 1, characterized in that: The locking assembly comprises a first self-locking block (102), the first self-locking block (102) is movably embedded in the inside of the reinforcing flange (101), and the inside of the reinforcing flange (101) is provided with a positioning groove (103) on both sides.

3. A self-locking slotted half shaft nut according to claim 2, characterized in that: Both sides of the first self-locking block (102) are fixedly provided with a positioning column (104), and the two positioning columns (104) are matched with the positioning groove (103).

4. A self-locking slotted half shaft nut according to claim 3, characterized in that: The first self-locking block (102) is movably embedded in the inside of the half shaft nut body (1), and the inside of the reinforcing flange (101) is movably embedded with a bolt column (106).

5. A self-locking slotted half shaft nut according to claim 4, characterized in that: The inside of the first self-locking block (102) is provided with a bolt slot (105), and the bolt column (106) is matched with the bolt slot (105).

6. A self-locking slotted half shaft nut as defined in claim 1, wherein: The locking assembly further comprises a second self-locking block (2) and two threaded grooves (203), the second self-locking block (2) is movably embedded in the inside of the reinforcing flange (101), the top of the second self-locking block (2) is fixedly provided with a limiting plate (201), and the limiting plate (201) is movably embedded in the inside top side of the reinforcing flange (101).

7. A self-locking slotted half shaft nut according to claim 6, characterized in that: The inside of the limiting plate (201) is screw-connected with a bolt (202) on both sides, the inside of the reinforcing flange (101) is provided with two threaded grooves (203), and the two bolts (202) are matched with the threaded grooves (203).

8. A self-locking slotted half shaft nut according to claim 1, wherein: The left side of the half shaft nut body (1) is provided with a rubber washer (302).