Anti-loose structure for trailer axle wheel-side nut
By installing anti-loosening components inside the nut, using the elastic tightening force of the anti-loosening ring to cooperate with the external thread of the connecting rod, the problem that the nut is prone to loosening or falling off under vibration factors is solved, and a safer and longer-lasting anti-loosening tightening structure is achieved, with high fatigue resistance and long life.
Patent Information
- Application Number
- CN202421373472.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing nut structure is prone to loosening or falling off under the influence of factors such as vibration, resulting in a reduction or loss of connection or tightening strength, affecting the quality of the connection and may lead to equipment failure and personal safety accidents.
An anti-loosening structure of the trailer axle wheel side nut is designed. By installing anti-loosening components inside the nut, including anti-loosening rings, anti-loosening threads and elastic materials, the elastic tightening force of the anti-loosening ring is used to cooperate with the external thread of the connecting rod to achieve elastic and long-lasting anti-loosening effect.
It realizes a safer and long-lasting anti-loosening fastening structure, which can maintain stability under conditions that cannot be achieved by traditional anti-loosening structures, supports multiple repeated disassembly and assembly, and ensures high fatigue resistance and long life.
Smart Images

Figure CN222650333U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of nuts, and in particular relates to a nut anti-loosening structure on the wheel side of a trailer axle. Background Art
[0002] A nut, also known as a nut, is a fixing tool with a hole in the center and threads on the inside of the hole. It is usually used with a screw of the same size to fix the relevant joint parts. The nut is screwed together with the bolt or screw to tighten. It is a component that must be used in all manufacturing machinery.
[0003] The current nuts have a simple structure and are prone to loosening or even falling off after long-term use due to factors such as vibration, resulting in a reduction or even loss of connection or fastening strength, thereby affecting the connection quality between the bolt and the nut, causing premature damage to the connected components, and even leading to equipment failure and personal safety accidents. Utility Model Content
[0004] The utility model aims to provide a trailer axle wheel nut anti-loosening structure, aiming to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The anti-loosening structure of the wheel nut of the trailer axle includes a connecting rod, an outer side of the connecting rod is provided with an external thread, a first nut is installed on the outer side of the connecting rod, an anti-loosening component is arranged inside the first nut, the anti-loosening component includes an avoidance position, an anti-loosening ring, anti-loosening threads, a threaded round hole, a threaded rod, a rotating plate and a pressing head, the avoidance position is opened inside the first nut, the anti-loosening ring is installed on the inner side of the avoidance position, and the anti-loosening threads are arranged on the inner side of the anti-loosening ring, by installing the anti-loosening ring inside the first nut, as the first nut is installed on the outer side of the connecting rod, the anti-loosening threads of the anti-loosening ring are matched with the external threads of the connecting rod, and the elastic tightening force of the anti-loosening ring is used to achieve an elastic and durable anti-loosening effect.
[0007] As a preferred solution of the utility model, a limiting groove is provided on the top of the first nut, a limiting block is arranged on the top of the limiting groove, a clamping groove is provided on the bottom of the limiting block, and the clamping groove is the same size as the limiting groove. By installing the first nut on the connecting rod, installing the limiting block on the top of the first nut, so that the clamping groove is clamped in the limiting groove, and the second nut is installed on the top of the limiting block, the purpose of tightening the first nut is achieved, and a limiting effect is played on the first nut.
[0008] As a preferred solution of the utility model, a second nut is arranged on the top of the limit block, and the interiors of the first nut and the second nut are both provided with internal threads.
[0009] As a preferred solution of the utility model, the two threaded circular holes are both opened on both sides of the first nut, and the threaded rod is installed inside the threaded circular holes.
[0010] As a preferred solution of the utility model, the rotating plate is fixedly mounted on one end of the threaded rod, and the pressing head is fixedly mounted on the end of the threaded rod away from the rotating plate. The rotating plate drives the threaded rod to move into the threaded circular hole, driving the pressing head to tighten the anti-loosening ring, so that the anti-loosening ring firmly wraps the connecting rod, thereby realizing a safer and longer-lasting anti-loosening fastening structure.
[0011] As a preferred solution of the utility model, the diameter of the avoidance position is larger than the diameter of the internal thread, and the anti-loosening ring is made of rubber.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] By installing the first nut on the connecting rod, installing the limit block on the top of the first nut, so that the slot is clamped in the limit slot, and the second nut is installed on the top of the limit block, the purpose of tightening the first nut is achieved, and the first nut is limited, thereby increasing the stability of the device; through the setting of the anti-loosening component, by installing the anti-loosening ring inside the first nut, as the first nut is installed on the outside of the connecting rod, the anti-loosening thread of the anti-loosening ring cooperates with the external thread of the connecting rod, and the elastic tightening force of the anti-loosening ring is used to achieve an elastic and lasting anti-loosening effect; the threaded rod is driven to move into the threaded circular hole by the rotating plate, and the pressing head is driven to tighten the anti-loosening ring, so that the anti-loosening ring firmly wraps the connecting rod, thereby achieving a safer and lasting anti-loosening fastening structure; this structure can achieve a lasting anti-loosening effect that traditional anti-loosening structures cannot achieve, and allows support for repeated disassembly and assembly, while also ensuring high fatigue resistance and long service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the first nut structure of the utility model;
[0018] Figure 4 It is a schematic diagram of the anti-loosening component of the utility model.
[0019] In the figure: 1, connecting rod; 2, external thread; 3, first nut; 4, limiting groove; 5, limiting block; 6, slot; 7, second nut; 8, internal thread; 9, anti-loosening assembly; 901, avoidance position; 902, anti-loosening ring; 903, anti-loosening thread; 904, threaded round hole; 905, threaded rod; 906, rotating plate; 907, pressing head. DETAILED DESCRIPTION
[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example
[0023] Reference Figure 1-4 , which is the first embodiment of the utility model, and provides a trailer axle wheel nut anti-loosening structure, including a connecting rod 1, the outer side of the connecting rod 1 is provided with an external thread 2, and the outer side of the connecting rod 1 is installed with a first nut 3.
[0024] Specifically, a limiting groove 4 is provided at the top of the first nut 3 , a limiting block 5 is provided at the top of the limiting groove 4 , and a clamping groove 6 is provided at the bottom of the limiting block 5 . The clamping groove 6 has the same size as the limiting groove 4 .
[0025] Furthermore, by installing the first nut 3 on the connecting rod 1, installing the limit block 5 on the top of the first nut 3, making the slot 6 clamped in the limit slot 4, and installing the second nut 7 on the top of the limit block 5, the purpose of tightening the first nut 3 is achieved, and the first nut 3 is limited.
[0026] Specifically, a second nut 7 is disposed on the top of the limiting block 5 , and internal threads 8 are disposed inside the first nut 3 and the second nut 7 .
[0027] Furthermore, the first nut 3 and the second nut 7 can be installed on the outside of the connecting rod 1 by matching the internal thread 8 with the external thread 2 .
[0028] Specifically, an anti-loosening component 9 is provided inside the first nut 3, and the anti-loosening component 9 includes an avoidance position 901, an anti-loosening ring 902, an anti-loosening thread 903, a threaded circular hole 904, a threaded rod 905, a rotating plate 906 and a pressing head 907. The avoidance position 901 is opened inside the first nut 3, the anti-loosening ring 902 is installed on the inner side of the avoidance position 901, and the anti-loosening thread 903 is arranged on the inner side of the anti-loosening ring 902.
[0029] Furthermore, by installing the anti-loosening ring 902 inside the first nut 3, as the first nut 3 is installed on the outside of the connecting rod 1, the anti-loosening thread 903 of the anti-loosening ring 902 cooperates with the external thread 2 of the connecting rod 1, and the elastic tightening force of the anti-loosening ring 902 is used to achieve an elastic and durable anti-loosening effect.
[0030] Specifically, two threaded circular holes 904 are provided on both sides of the first nut 3 , and the threaded rod 905 is installed inside the threaded circular holes 904 .
[0031] Furthermore, the threaded rod 905 is driven by the rotating plate 906 to move toward the inside of the threaded circular hole 904 .
[0032] Specifically, the rotating plate 906 is fixedly mounted on one end of the threaded rod 905 , and the pressing head 907 is fixedly mounted on one end of the threaded rod 905 away from the rotating plate 906 .
[0033] Furthermore, the anti-loosening ring 902 is pressed by the pressing head 907 so that the anti-loosening ring 902 firmly wraps the connecting rod 1, thereby achieving a safer and durable anti-loosening fastening structure.
[0034] Specifically, the diameter of the avoidance position 901 is greater than the diameter of the internal thread 8, and the anti-loosening ring 902 is made of rubber.
[0035] Furthermore, the elastic and lasting anti-loosening effect is achieved by the elastic tightening force of the anti-loosening ring 902 .
[0036] When in use, first install the anti-loosening ring 902 inside the first nut 3. As the first nut 3 is installed on the outside of the connecting rod 1, the anti-loosening thread 903 of the anti-loosening ring 902 cooperates with the external thread 2 of the connecting rod 1, and the elastic tightening force of the anti-loosening ring 902 is used to achieve an elastic and lasting anti-loosening effect. The threaded rod 905 is driven to move toward the inside of the threaded circular hole 904 by the rotating plate 906, and the pressing head 907 is driven to tighten the anti-loosening ring 902, so that the anti-loosening ring 902 firmly wraps the connecting rod 1, realizing a safer and lasting anti-loosening fastening structure, ensuring high fatigue resistance and long service life, installing the limit block 5 on the top of the first nut 3, so that the slot 6 is clamped in the limit slot 4, and the second nut 7 is installed on the top of the limit block 5, so as to achieve the purpose of tightening the first nut 3, and limit the first nut 3, thereby increasing the stability of the device.
[0037] In summary: by installing the first nut 3 on the connecting rod 1, installing the limit block 5 on the top of the first nut 3, so that the slot 6 is clamped in the limit slot 4, and the second nut 7 is installed on the top of the limit block 5, the purpose of tightening the first nut 3 is achieved, and the first nut 3 is limited, thereby increasing the stability of the device. By setting the anti-loosening component 9, by installing the anti-loosening ring 902 inside the first nut 3, as the first nut 3 is installed on the outside of the connecting rod 1, the anti-loosening thread 903 of the anti-loosening ring 902 cooperates with the external thread 2 of the connecting rod 1, and the elastic tightening force of the anti-loosening ring 902 is used to achieve an elastic and lasting anti-loosening effect. The threaded rod 905 is driven by the rotating plate 906 to move into the inside of the threaded circular hole 904, and the pressing head 907 is driven to tighten the anti-loosening ring 902, so that the anti-loosening ring 902 firmly wraps the connecting rod 1, thereby achieving a safer and lasting anti-loosening fastening structure. This structure can achieve a lasting anti-loosening effect that the traditional anti-loosening structure cannot achieve, and allows support for repeated disassembly and assembly, and also ensures high fatigue resistance and long service life.
[0038] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.
[0039] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention).
[0040] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.
[0041] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. The trailer axle wheel nut anti-loosening structure is characterized by: The invention comprises a connecting rod (1), wherein the outer side of the connecting rod (1) is provided with an external thread (2), the outer side of the connecting rod (1) is installed with a first nut (3), the interior of the first nut (3) is provided with an anti-loosening component (9), the anti-loosening component (9) comprises a clearance position (901), an anti-loosening ring (902), anti-loosening threads (903), a threaded circular hole (904), a threaded rod (905), a rotating plate (906) and a pressing head (907), the clearance position (901) is opened inside the first nut (3), the anti-loosening ring (902) is installed on the inner side of the clearance position (901), and the anti-loosening threads (903) are arranged on the inner side of the anti-loosening ring (902).
2. The trailer axle wheel nut anti-loosening structure according to claim 1, characterized in that: A limiting groove (4) is provided at the top of the first nut (3), a limiting block (5) is arranged at the top of the limiting groove (4), a clamping groove (6) is provided at the bottom of the limiting block (5), and the clamping groove (6) is the same size as the limiting groove (4).
3. The trailer axle wheel nut anti-loosening structure according to claim 2, characterized in that: A second nut (7) is arranged on the top of the limiting block (5), and internal threads (8) are arranged inside the first nut (3) and the second nut (7).
4. The trailer axle wheel nut anti-loosening structure according to claim 3, characterized in that: The two threaded circular holes (904) are both opened on both sides of the first nut (3), and the threaded rod (905) is installed inside the threaded circular holes (904).
5. The trailer axle wheel nut anti-loosening structure according to claim 4, characterized in that: The rotating plate (906) is fixedly mounted on one end of the threaded rod (905), and the pressing head (907) is fixedly mounted on one end of the threaded rod (905) away from the rotating plate (906).
6. The trailer axle wheel nut anti-loosening structure according to claim 5, characterized in that: The diameter of the avoidance position (901) is greater than the diameter of the internal thread (8), and the anti-loosening ring (902) is made of rubber.