Automobile nut

Abstract

The utility model belongs to the technical field of nuts, and particularly relates to an automobile nut which comprises a nut body, a nut sleeve and a nut cover. The pressing ring is arranged on one side of the nut body; the abutting ring is arranged between the pressing ring and the nut body; the pressing teeth are integrally formed in the threaded hole in the side, close to the pressing ring, of the nut body.

Description

Technical Field

[0001] The utility model belongs to the technical field of nuts, and in particular relates to an automobile nut. Background Art

[0002] General automobile nuts will loosen by themselves due to vibration and other reasons during use, while automobile self-locking nuts are nuts that can self-lock by friction. The main functions of self-locking nuts are anti-loosening and anti-vibration. However, there are still some problems in the use of existing self-locking nuts. For example, secondary installation will affect the overall anti-loosening effect of the nut. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems and provide an automobile nut which has a simple structure, is shock-resistant and loose-proof and does not affect secondary installation.

[0004] In view of this, the utility model provides an automobile nut, comprising:

[0005] A nut body, wherein a threaded hole is formed thereon;

[0006] A clamping ring, which is arranged on one side of the nut body;

[0007] A tightening ring, which is arranged between the clamping ring and the nut body;

[0008] The clamping teeth are integrally formed in the threaded hole on the side of the clamping ring of the nut body.

[0009] In the above technical solution, further, the nut body also includes:

[0010] A clamping boss, which is in the shape of a cone and is integrally formed on a side of the nut body close to the clamping ring;

[0011] A notch deformation part, wherein a plurality of notch deformation parts are distributed on the clamping boss and divide the clamping boss into a plurality of fan-shaped structures evenly distributed along a circumference;

[0012] The threaded hole penetrates the clamping boss, the clamping teeth are formed on the inner side of the end of the threaded hole located on the clamping boss, and the clamping ring presses against the clamping boss.

[0013] In the above technical solution, further, the clamping ring includes:

[0014] A clamping part, which is annular and located on the side close to the nut body, and has a clamping hole coaxially arranged and interference-fitted with the outer wall of the clamping boss formed on the inner side of the clamping part;

[0015] The rear supporting part is integrally formed on a side of the clamping part away from the nut body.

[0016] In the above technical solution, further, the tightening ring includes:

[0017] A ring body, which is sleeved outside the pressing boss;

[0018] The inner wall of the ring body abuts against the pressing boss.

[0019] In the above technical solution, further, the tightening ring also includes:

[0020] A plurality of abutting protrusions are integrally formed on the inner wall of the ring body;

[0021] The ring body abuts against the pressing boss through the abutting convex part.

[0022] In the above technical solution, further, the nut body also includes:

[0023] Extrusion notches, a plurality of extrusion notches are evenly distributed on the outer wall of the pressing boss according to the circumference and extend obliquely along the outer wall of the pressing boss;

[0024] The pressing protrusion can abut against the extrusion notch and squeeze the pressing boss.

[0025] In the above technical solution, further, it also includes:

[0026] The pre-tightening ring is sleeved on the clamping boss and is located between the clamping ring and the abutting ring.

[0027] In the above technical solution, further, the preload ring includes:

[0028] The ring piece body is against the end surface of the clamping ring or the clamping ring;

[0029] The pre-tightening protrusions are annular, coaxially arranged and integrally formed on the ring sheet body, and the cross section of the pre-tightening protrusions is semi-elliptical shell-shaped.

[0030] The beneficial effects of the utility model are:

[0031] 1. The cooperation between the clamping ring and the nut body can improve the structural stability of the overall installation of the nut;

[0032] 2. The setting of the tightening ring can further ensure the stability of the thread installation, thereby improving the anti-vibration and anti-loosening effects of the nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of the utility model;

[0034] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0035] Figure 3It is a schematic diagram of the structure of the nut body and the tightening ring in the utility model;

[0036] Figure 4 It is a structural schematic diagram of the preload ring in the utility model;

[0037] Figure 5 It is a structural schematic diagram of the tightening ring in the utility model;

[0038] The markings in the figure are: 1-nut body, 2-clamping ring, 2a-clamping part, 2b-clamping hole, 2c-rear support part, 3-clamping ring, 3a-ring body, 3b-clamping convex part, 4-clamping tooth, 5-clamping boss, 6-notch deformation part, 7-pre-tightening ring, 7a-ring piece body, 7b-pre-tightening convex part, 8-extrusion notch. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0040] Embodiment 1:

[0041] This embodiment provides an automobile nut, comprising:

[0042] A nut body 1, wherein a threaded hole is formed through the nut body 1;

[0043] A clamping ring 2, which is arranged on one side of the nut body 1;

[0044] A tightening ring 3, which is arranged between the clamping ring 2 and the nut body 1;

[0045] The clamping teeth 4 are integrally formed in the threaded hole of the nut body 1 on the side close to the clamping ring 2 .

[0046] In this embodiment, during installation, the clamping ring 2, the abutting ring 3 and the nut body 1 are installed in sequence, the clamping ring 2 is sleeved on the shaft-like part and abuts against the part to be fixed, and then the nut body 1 is tightened on the shaft-like part, and the clamping ring 2 and the abutting ring 3 are used together to achieve a good anti-loosening effect; and the provided clamping teeth 4 can make the end of the nut body 1 better bite the shaft-like part, thereby ensuring the anti-loosening effect of the nut body 1 itself. The clamping ring 2 and the abutting ring 3 are respectively sleeved on the shaft-like part and are not connected by threads, but are only fixed by tightening the nut body 1, so as not to affect the overall anti-loosening effect of the secondary installation nut.

[0047] Embodiment 2:

[0048] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0049] The nut body 1 also includes:

[0050] A clamping boss 5, which is in a frustum shape and is integrally formed on a side of the nut body 1 close to the clamping ring 2;

[0051] A notch deformation part 6, wherein a plurality of notch deformation parts 6 are distributed on the pressing boss 5 and divide the pressing boss 5 into a plurality of fan-shaped structures evenly distributed along the circumference;

[0052] The threaded hole penetrates the clamping boss 5 , the clamping teeth 4 are formed on the inner side of the end of the threaded hole located on the clamping boss 5 , and the clamping ring 2 presses against the clamping boss 5 .

[0053] In this embodiment, the clamping boss 5 is provided so that the clamping ring 2 will press against the clamping boss 5 during the tightening process of the nut body 1, so that the clamping boss 5 firmly secures the shaft parts; and due to the provision of the notch deformation portion 6, the clamping boss 5 will not easily break after being squeezed, thereby increasing the overall service life of the nut, and the clamping teeth 4 are provided on the clamping boss 5 so that the nut body 1 will not be damaged when biting the parts.

[0054] Embodiment 3:

[0055] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features. The clamping ring 2 includes:

[0056] A clamping portion 2a, which is annular and located on a side close to the nut body 1, and has a clamping hole 2b coaxially arranged and interference-fitted with the outer wall of the clamping boss 5 formed on the inner side of the clamping portion 2a;

[0057] The rear supporting portion 2c is integrally formed on a side of the pressing portion 2a away from the nut body 1.

[0058] In this embodiment, the clamping portion 2a is used to squeeze and deform the initial clamping boss 5 through the clamping hole 2b during the tightening process of the nut body 1, so as to better hold the shaft parts, thereby achieving a good anti-loosening and anti-vibration effect; and the rear support portion 2c is used to increase the contact area between the clamping ring 2 and the components installed on the shaft parts, thereby ensuring the stability and strength of the installation.

[0059] Embodiment 4:

[0060] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0061] The tightening ring 3 comprises:

[0062] The ring body 3a is sleeved outside the pressing boss 5;

[0063] The inner wall of the ring body 3 a abuts against the pressing boss 5 .

[0064] In this embodiment, during the tightening process of the nut body 1, the clamping ring 3 slowly moves into the bottom of the clamping boss 5 within the limit position of the clamping ring 2, thereby further achieving the effect of squeezing the clamping boss 5, and further ensuring the anti-loosening effect of the nut body 1 in cooperation with the clamping ring 2.

[0065] Embodiment 5:

[0066] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0067] The tightening ring 3 also includes:

[0068] A plurality of abutting protrusions 3b are integrally formed on the inner wall of the ring body 3a;

[0069] The ring body 3a abuts against the pressing boss 5 via the abutting protrusion 3b.

[0070] In this embodiment, the arrangement of the pressing protrusion 3 b can better squeeze the pressing boss during the tightening process of the nut body 1 , thereby improving the anti-loosening effect.

[0071] Embodiment 6:

[0072] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0073] The nut body 1 also includes:

[0074] Extrusion notches 8, a plurality of extrusion notches 8 are evenly distributed on the outer wall of the pressing boss 5 according to the circumference and extend obliquely along the outer wall of the pressing boss 5;

[0075] The pressing protrusion 3 b can abut against the extrusion notch 8 and press the pressing boss 5 .

[0076] In this embodiment, the cooperation between the extrusion notch 8 and the clamping protrusion 3b can prevent the clamping ring 3 from rotating and deviating, thereby preventing the abutting body from being stuck in the notch deformation portion 6; and the extrusion notch 8 extends obliquely along the outer wall of the clamping boss 5, so that the more the clamping protrusion 3b moves into the extrusion notch 8, the more it presses against the clamping boss 5, thereby ensuring good stability.

[0077] Embodiment 7:

[0078] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0079] Also includes:

[0080] The pre-tightening ring 7 is sleeved on the clamping boss 5 and is located between the clamping ring 2 and the abutting ring 3 .

[0081] In this embodiment, the provision of the pre-tightening ring 7 can provide a good buffering effect between the clamping ring 2 and the abutting ring 3, thereby achieving elastic abutment, thereby improving the stability of the overall structure of the nut and the effects of anti-vibration and anti-loosening.

[0082] Embodiment 8:

[0083] This embodiment provides an automobile nut, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0084] The preload ring 7 comprises:

[0085] The ring piece body 7a is against the end surface of the clamping ring 2 or the clamping ring 3;

[0086] The pre-tightening protrusions 7b are annular, coaxially arranged and integrally formed on the ring sheet body 7a, and the cross-section of the pre-tightening protrusions 7b is semi-elliptical shell-shaped.

[0087] In this embodiment, the ring sheet body 7a is used to contact the end surface of the clamping ring 2 or the abutting ring 3, so as to ensure the stability of the installation of the pre-tightening ring 7, and the provision of the pre-tightening protrusion 7b can better achieve the effect of pre-tightening and preventing loosening.

[0088] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An automobile nut, characterized in that: include: A nut body (1), wherein the nut body (1) is formed with a threaded hole extending therethrough; A clamping ring (2), wherein the clamping ring (2) is arranged on one side of the nut body (1); A tightening ring (3), wherein the tightening ring (3) is arranged between the clamping ring (2) and the nut body (1); The clamping teeth (4) are integrally formed in a threaded hole on the side of the nut body (1) close to the clamping ring (2).

2. The automotive nut according to claim 1, characterized in that: The nut body (1) further comprises: A clamping boss (5), the clamping boss (5) is in the shape of a cone and is integrally formed on a side of the nut body (1) close to the clamping ring (2); A notch deformation portion (6), wherein a plurality of the notch deformation portions (6) are distributed on the pressing boss (5) and divide the pressing boss (5) into a plurality of fan-shaped structures evenly distributed along the circumference; The threaded hole penetrates the clamping boss (5), the clamping teeth (4) are formed on the inner side of the end of the threaded hole located on the clamping boss (5), and the clamping ring (2) presses against the clamping boss (5).

3. The automotive nut according to claim 2, characterized in that: The clamping ring (2) comprises: A clamping portion (2a), the clamping portion (2a) being annular and located on a side close to the nut body (1), and having a clamping hole (2b) coaxially arranged and interference-fitted with the outer wall of the clamping boss (5) formed on the inner side of the clamping portion (2a); A rear supporting portion (2c), wherein the rear supporting portion (2c) is integrally formed on a side of the clamping portion (2a) away from the nut body (1).

4. The automotive nut according to claim 3, characterized in that: The tightening ring (3) comprises: A ring body (3a), wherein the ring body (3a) is sleeved outside the pressing boss (5); The inner wall of the ring body (3a) abuts against the pressing boss (5).

5. The automotive nut according to claim 4, characterized in that: The abutting ring (3) further comprises: A plurality of abutting protrusions (3b) are integrally formed on the inner wall of the ring body (3a); The ring body (3a) is abutted against the pressing boss (5) via the abutting convex portion (3b).

6. The automotive nut according to claim 5, characterized in that: The nut body (1) further comprises: Extrusion notches (8), wherein a plurality of the extrusion notches (8) are evenly distributed on the outer wall of the pressing boss (5) along a circumference and extend obliquely along the outer wall of the pressing boss (5); The pressing protrusion (3b) can abut against the extrusion notch (8) and press the pressing boss (5).

7. The automotive nut according to claim 6, characterized in that: Also includes: A pre-tightening ring (7), wherein the pre-tightening ring (7) is sleeved on the clamping boss (5) and is located between the clamping ring (2) and the abutting ring (3).

8. The automotive nut according to claim 7, characterized in that: The preload ring (7) comprises: A ring piece body (7a), wherein the ring piece body (7a) abuts against the end surface of the clamping ring (2) or the abutting ring (3); A pre-tightening protrusion (7b), wherein a plurality of the pre-tightening protrusions (7b) are annular and coaxially arranged and integrally formed on the ring sheet body (7a), and the cross section of the pre-tightening protrusion (7b) is semi-elliptical shell-shaped.

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