New energy transmission system connecting bolt

By designing the connecting bolts of the new energy transmission system, using layered structure and cold heading integrated molding technology, the existing bolts have been solved, and the strength, hardness and material utilization have been improved.

CN222558977UActive Publication Date: 2025-03-04SHANGHAI SHUNYI FASTENER CO LTD
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Patent Information

Application Number
CN202420261828.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2025-03-04
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

The connecting bolts of the existing new energy vehicle transmission system have poor performance, low parts strength, low material utilization, inconvenient production and low efficiency.

Method used

A new energy transmission system connection bolt was designed, adopting a layered structure. The nut and thick rod, lower head rod, and other components were formed integrally by cold heading to increase friction and hardness, and improve installation stability through bumps and spline teeth.

Benefits of technology

It improves the strength and hardness of bolts, enhances the connection stability between parts, improves the utilization rate of materials, and realizes automated rapid molding and large-scale production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222558977U_ABST
Patent Text Reader

Abstract

The utility model discloses a new energy transmission system connecting bolt which comprises a nut, the nut is of a cylindrical structure, and the surface of the nut is fixedly connected with a thick rod. The nut is provided with a reinforcing mechanism, the reinforcing mechanism comprises that the surface of the nut is fixedly connected with a convex block, an inner pit is embedded in the surface of the nut, the tail end of the thick rod is fixedly connected with a lower head rod, spline teeth are uniformly arranged on the surface of the lower head rod, and the tail end of the lower head rod is fixedly connected with a polished rod. According to the new energy transmission system connecting bolt, the reinforcing mechanism is arranged, the strength and hardness of a device can be improved, the performance of the bolt is improved, a main body of the bolt is mostly integrally formed through cold heading, meanwhile, the shapes of the protruding blocks, the thick rods and the spline teeth are changed, the strength of the bolt can be improved, the hardness between parts is improved, and meanwhile the utilization rate of bolt materials is increased; the bolt can be automatically and rapidly formed, mass production is achieved, and the precision of parts is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of new energy bolt production, in particular to a new energy transmission system connecting bolt. Background Art

[0002] New energy generally refers to renewable energy developed and utilized on the basis of new technologies. New energy vehicles refer to vehicles that use unconventional automotive fuels as a power source. They are vehicles with advanced technical principles, new technologies and new structures. Based on changes in the perception of automobiles and considerations for the environment and safety, the electrification of automobiles has not only changed the development plans of manufacturers and parts suppliers, but the traditional devices currently used in electric vehicles cannot meet the requirements for various performance requirements during actual driving. However, the existing connecting bolts have poor performance when used, and the strength of the parts is low, the utilization rate of materials is low, the production is inconvenient, and the production efficiency is low. Utility Model Content

[0003] The purpose of the utility model is to provide a new energy transmission system connecting bolt to solve the problems of poor performance, low strength of parts and low material utilization proposed in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new energy transmission system connecting bolt, comprising a nut configured as a cylindrical structure, and a thick rod fixedly connected to the surface of the nut;

[0005] The nut is provided with a reinforcement mechanism, and the reinforcement mechanism includes: a protrusion is fixedly connected to the surface of the nut, and an inner pit is embedded in the surface of the nut, the end of the thick rod is fixedly connected to the lower head rod, and the surface of the lower head rod is evenly provided with spline teeth, and the end of the lower head rod is fixedly connected to the smooth rod.

[0006] Preferably, the diameter of the nut is larger than the diameter of the thick rod, and the diameter of the thick rod is larger than the diameter of the lower head rod, and the diameter of the lower head rod is larger than the diameter of the smooth rod.

[0007] By adopting the above technical solution, the bolt has a layered structure, and the end diameter of the bolt is relatively small.

[0008] Preferably, the protrusion is arranged around the circular surface of the nut, the protrusion is arranged at one end of the nut, and the other end of the nut is a smooth plane.

[0009] By adopting the above technical solution, the friction force on the nut is increased by the protrusion, which can facilitate the rotation of the bolt.

[0010] Preferably, the protrusion and the nut are integrally formed by cold heading, and the protrusion is arranged in a semicircular structure.

[0011] By adopting the above technical solution, the convex block is held and rotated to prevent the nut from slipping off.

[0012] Preferably, the inner pit and the thick rod are symmetrically arranged on both sides of the nut, and the nut, the inner pit and the thick rod are respectively formed integrally by cold heading.

[0013] By adopting the above technical solution, the cold heading integrated molding can increase the strength of the device, and at the same time, the nut is driven to rotate through the inner pit to tighten the bolt.

[0014] Preferably, the spline teeth are arranged at one end of the lower head rod, and the lower head rod is integrally formed by turning, and the spline teeth are integrally formed by cold heading.

[0015] By adopting the above technical solution, the spline teeth can increase the friction with the contact surface and increase the stability of bolt installation.

[0016] Preferably, the polished rod is integrally formed by cold heading, and the spline teeth are arranged on one side close to the polished rod.

[0017] By adopting the above technical solution, the polished rod and the nut are integrally formed by cold heading, which can increase the hardness of the device and prevent the bolt from being damaged.

[0018] Compared with the prior art, the beneficial effects of the utility model are: the connecting bolts of the new energy transmission system:

[0019] 1. A strengthening mechanism is set up to increase the strength and hardness of the device and improve the performance of the bolt. The main body of the bolt is mostly formed by cold heading. At the same time, the shape of the bump, thick rod and spline teeth is changed to improve the strength of the bolt, improve the hardness between parts, and improve the utilization rate of the bolt material, so that the bolt can be automatically and quickly formed, mass production can be achieved, and the parts are of high precision;

[0020] 2. The protrusions and spline teeth are provided. The protrusions can increase the friction on the nut. At the same time, the protrusions are provided in a semicircular structure, which can reduce the bumps on the users, increase the stability during the installation of the bolts, and increase the practicality of the bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the inner pit installation structure of the utility model;

[0024] Figure 4 This is a side view of the structure of the utility model;

[0025] Figure 5This is a schematic diagram of the side view of the thick rod installation structure of the utility model;

[0026] Figure 6 It is a schematic diagram of the side view structure of the spline teeth of the utility model.

[0027] In the figure: 10, nut; 101, bump; 102, inner pit;

[0028] 20, thick rod; 201, spline teeth; 202, lower rod;

[0029] 30. Bare. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-6 , the utility model provides a technical solution: a new energy transmission system connecting bolt, including a nut 10, a protrusion 101, an inner pit 102, a thick rod 20, a spline tooth 201, a lower head rod 202 and a polished rod 30;

[0032] The connecting bolts of the new energy transmission system can increase the strength and hardness of the bolts. The specific implementation method is as follows:

[0033] The nut 10 is set as a cylindrical structure, and a thick rod 20 is fixedly connected to the surface of the nut 10, and the nut 10 is provided with a reinforcement mechanism, and the reinforcement mechanism includes: a protrusion 101 is fixedly connected to the surface of the nut 10, and an inner pit 102 is embedded in the surface of the nut 10, the end of the thick rod 20 is fixedly connected to the lower head rod 202, and the surface of the lower head rod 202 is evenly provided with spline teeth 201, and the end of the lower head rod 202 is fixedly connected to the smooth rod 30, the diameter of the nut 10 is larger than the diameter of the thick rod 20, and the diameter of the thick rod 20 is larger than the diameter of the lower head rod 202, and the diameter of the lower head rod 202 is larger than the diameter of the smooth rod 30, the protrusion 10 1 is arranged around the circular surface of the nut 10, and the protrusion 101 is arranged at one end of the nut 10, and the other end of the nut 10 is a smooth plane, the protrusion 101 and the nut 10 are integrally formed by cold heading, and the protrusion 101 is arranged in a semicircular structure, the inner pit 102 and the thick rod 20 are symmetrically arranged on both sides of the nut 10, and the nut 10 is respectively integrally formed with the inner pit 102 and the thick rod 20 by cold heading, the spline tooth 201 is arranged at one end of the lower head rod 202, and the lower head rod 202 is integrally formed by turning, the spline tooth 201 is integrally formed by cold heading, the polished rod 30 is integrally formed by cold heading, and the spline tooth 201 is arranged on the side close to the polished rod 30.

[0034] The nut 10 is formed by cold heading, and then a semicircular protrusion 101 is formed on the surface of the nut 10 by cold heading, and an inner pit 102 is formed inside one side of the nut 10 by cold heading. At this time, the other end of the nut 10 is formed into a rough rod 20 by cold heading, and then a lower head rod 202 is formed by turning, and spline teeth 201 are formed on the surface of the lower head rod 202 by cold heading. Finally, the end of the lower head rod 202 is formed into a polished rod 30 by cold heading. At this time, the processing of the bolt is completed, and the entire bolt is inserted into the interior of the connecting surface. At this time, the end of the polished rod 30 passes through the interior of the external spline, and the bolt continues to move inward. Move, at this time the spline teeth 201 and the bottom of the lower head rod 202 are in contact with the surface of the external spline, hold the nut 10 and rotate it, at this time the protrusion 101 increases the friction on the nut 10, the nut 10 drives the spline teeth 201 and the lower head rod 202 to rotate through the thick rod 20, when the shape of the surface of the spline teeth 201 fits the internal shape of the external spline, stop rotating the nut 10, at this time push the nut 10 inward, the nut 10 pushes the spline teeth 201 inward through the thick rod 20, so that the spline teeth 201 move to the internal meshing of the external spline, at this time the bolt is completely embedded in the inside of the mounting surface.

[0035] Working principle: When the new energy transmission system is used to connect the bolts, a nut 10, a bump 101, a thick rod 20 and a smooth rod 30 are provided, which can increase the strength and hardness of the bolts and increase the overall practicality.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy transmission system connecting bolt, comprising a nut (10), wherein the nut (10) is configured as a cylindrical structure, and a thick rod (20) is fixedly connected to the surface of the nut (10); Features: The nut (10) is provided with a reinforcing mechanism, and the reinforcing mechanism comprises: a protrusion (101) is fixedly connected to the surface of the nut (10), and an inner pit (102) is embedded in the surface of the nut (10); the end of the thick rod (20) is fixedly connected to a lower rod (202), and the surface of the lower rod (202) is evenly provided with spline teeth (201); and the end of the lower rod (202) is fixedly connected to a smooth rod (30).

2. A new energy transmission system connecting bolt according to claim 1, characterized in that: The diameter of the nut (10) is greater than the diameter of the thick rod (20), the diameter of the thick rod (20) is greater than the diameter of the lower head rod (202), and the diameter of the lower head rod (202) is greater than the diameter of the smooth rod (30).

3. The new energy transmission system connecting bolt according to claim 1, characterized in that: The protrusion (101) is arranged around the circular surface of the nut (10), the protrusion (101) is arranged at one end of the nut (10), and the other end of the nut (10) is a smooth plane.

4. A new energy transmission system connecting bolt according to claim 1, characterized in that: The protrusion (101) and the nut (10) are integrally formed by cold heading, and the protrusion (101) is configured as a semicircular structure.

5. The new energy transmission system connecting bolt according to claim 1, characterized in that: The inner pit (102) and the thick rod (20) are symmetrically arranged on both sides of the nut (10), and the nut (10) is integrally formed with the inner pit (102) and the thick rod (20) by cold heading.

6. The new energy transmission system connecting bolt according to claim 1, characterized in that: The spline teeth (201) are arranged at one end of the lower head rod (202), and the lower head rod (202) is integrally formed by turning, and the spline teeth (201) are integrally formed by cold heading.

7. The new energy transmission system connecting bolt according to claim 1, characterized in that: The polished rod (30) is integrally formed by cold heading, and the spline teeth (201) are arranged on a side close to the polished rod (30).