Automobile gear with improved structure

By introducing a quick-release mechanism and precise positioning design into automotive gears, the problems of cumbersome installation and difficult disassembly of traditional automotive gears are solved, enabling rapid assembly and disassembly and a stable connection. This improves maintenance efficiency and the service life of gears, and ensures the operational stability and safety of the vehicle.

CN224135132UActive Publication Date: 2026-04-17XINXIANG KAILIN MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINXIANG KAILIN MASCH MFG CO LTD
Filing Date
2025-06-19
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

Traditional automotive gears are cumbersome to install and difficult to disassemble, affecting production efficiency and maintenance costs. Furthermore, the complex connection method makes repairs difficult and prone to secondary damage.

Method used

An automotive gear with a quick-release mechanism has been designed, including an external gear ring and a connecting disc. The combination of an elastic compression strip, a limiting bolt, and a pressure cover plate enables convenient disassembly and installation. The precise positioning of the trapezoidal protrusion and the guide groove ensures a stable connection.

Benefits of technology

It enables rapid installation and disassembly, improves maintenance efficiency, reduces maintenance costs, enhances connection stability and gear lifespan, reduces malfunctions and noise caused by loosening, and improves vehicle driving safety and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile gears, and discloses an automobile gear with an improved structure, which comprises an outer gear ring, a connecting disc is arranged in the outer gear ring, a quick-release mechanism convenient for detaching the outer gear ring and the connecting disc is arranged between the outer gear ring and the connecting disc, six trapezoidal bulges are fixedly connected to the outer wall of the connecting disc, and the bulges play a role in fixing the outer gear ring and the connecting disc. The connecting disc can be rapidly connected with the outer gear ring, so that in the installation process, connection with the outer gear ring can be accelerated, six elastic extrusion strips are arranged at the upper end and the lower end of the connecting disc correspondingly, and after the connecting disc and the outer gear ring are installed, the elastic extrusion strips are rotationally connected with the interior of the fixing support, so that the connecting disc and the outer gear ring are fixed. Therefore, the ends of the elastic extrusion strips can be extruded, the ends, away from the fixing support, of the elastic extrusion strips are extruded in the outer gear ring, then the two pressurizing cover plates are installed on the upper side and the lower side of the outer gear ring, and assembling is completed through butt joint of limiting bolts and installation sleeves.
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Description

Technical Field

[0001] This utility model relates to the field of automotive gear technology, specifically to an automotive gear with an improved structure. Background Technology

[0002] As a core component of the automotive transmission system, automotive gears play a crucial role in the transmission and speed change of a car. During the operation of a car, the power generated by the engine needs to be transmitted to the wheels through the gear transmission system to drive the car. Furthermore, under different driving conditions, the gears also need to work with the transmission to achieve different transmission ratios to meet various driving needs such as starting, accelerating, decelerating, and climbing.

[0003] In automotive transmission systems, gears are key components responsible for efficiently and stably transmitting the power generated by the engine to the wheels to enable various driving actions. However, current traditional automotive gears have many shortcomings in terms of installation and maintenance. The installation process of traditional automotive gears is relatively cumbersome. The connection between the external gear ring and the connecting components usually relies on complex and high-precision processes, such as interference fits of specific dimensions or complex welding methods. This not only requires professional installation equipment and skilled technicians, but also takes a long time, which affects the efficiency of automobile production. In terms of maintenance, when gears are worn or malfunctioning and need to be disassembled for repair, it is extremely difficult. Because traditional connection methods are relatively robust and lack convenient disassembly design, maintenance personnel often need to spend a lot of time and effort to disassemble the gears, and may even cause secondary damage to the gears or other related components due to improper disassembly. Therefore, those skilled in the art provide an automotive gear with an improved structure to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide an automotive gear with an improved structure to solve the problems mentioned in the background art.

[0005] This utility model provides the following technical solution: an automotive gear with an improved structure, including an external gear ring, a connecting disc is provided inside the external gear ring, a quick-release mechanism is provided between the external gear ring and the connecting disc to facilitate disassembly of the two, and a connecting shaft body that is connected to an external drive end is fixedly connected through the quick-release mechanism.

[0006] Preferably, the quick-release mechanism includes six fixed brackets fixedly connected to the upper and lower ends of the connecting plate. The six fixed brackets located at the upper and lower ends of the connecting plate are arranged in a circular array. Each of the twelve fixed brackets has an elastic compression strip rotatably sleeved inside. The end of each of the twelve elastic compression strips away from the fixed bracket abuts against the inner wall of the outer toothed ring.

[0007] Preferably, the upper and lower ends of the external gear ring are provided with pressure cover plates, and six mounting sleeves are fixedly connected in an annular array on the side of the two pressure cover plates that are far apart from each other. The inner wall of the external gear ring is provided with six guide grooves in an annular array, and the interior of the external gear ring is provided with threaded holes symmetrically located inside the six guide grooves.

[0008] Preferably, each of the mounting sleeves has a threaded limit bolt inside, and the connecting disc is limited to the external gear ring through the mounting sleeve, the limit bolt, and the threaded hole.

[0009] Preferably, each of the elastic extrusion strips has a pressure hole on the side away from the connecting disc, and an extrusion block is fixedly connected to the bottom of the two pressure cover plates on opposite sides in a ring array, the extrusion block being sleeved inside the pressure hole.

[0010] Preferably, the outer wall of the connecting disc is fixedly connected with six trapezoidal protrusions in an annular array, and the connecting disc is slidably sleeved with the outer gear ring through the protrusions and guide grooves.

[0011] Preferably, the outer walls of the two pressure plates are each fixedly connected with six protruding blocks in a ring array, and after the pressure plates are installed, they are on the same plane as the top surface of the outer gear ring.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention features a quick-release mechanism with six trapezoidal protrusions fixedly connected to the outer wall of the connecting plate. These protrusions facilitate rapid connection with the outer gear ring during installation. Six elastic compression strips are located at both the upper and lower ends of the connecting plate. After the connecting plate and outer gear ring are installed, the elastic compression strips are rotatably connected to the inside of the fixed bracket, compressing the ends of the elastic compression strips so that the ends furthest from the fixed bracket are pressed into the interior of the outer gear ring. Two pressure plates are then installed on the upper and lower sides of the outer gear ring, and assembly is completed by connecting the limiting bolts and the mounting sleeve. Disassembly is performed in reverse order. Attached Figure Description

[0014] Figure 1 A schematic diagram of the overall structure of an automotive gear with an improved design;

[0015] Figure 2 This is a schematic diagram of a disassembled automotive gear with an improved structure.

[0016] Figure 3 This is a schematic diagram of a connecting disc in an automotive gear with an improved structure.

[0017] Figure 4This is a schematic diagram of the external gear ring in an automotive gear with an improved structure.

[0018] Legend:

[0019] 1. External gear ring; 2. Connecting shaft body; 3. Quick release mechanism; 31. Connecting disc; 32. Extrusion block; 33. Pressure cover plate; 34. Mounting sleeve; 35. Limit bolt; 36. Fixed bracket; 37. Elastic extrusion strip; 38. Pressure hole; 4. Guide groove; 5. Threaded hole. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] Please see Figures 1-4 As shown, this utility model provides a technical solution: an automotive gear with an improved structure, including an outer gear ring 1, a connecting disk 31 is provided inside the outer gear ring 1, a quick-release mechanism 3 is provided between the outer gear ring 1 and the connecting disk 31 to facilitate the disassembly of the two, and a connecting shaft body 2 connected to an external drive end is fixedly connected through the quick-release mechanism 3.

[0022] It should be noted that the quick-release mechanism 3 allows for convenient disassembly between the external gear ring 1 and the connecting plate 31. When the gears are worn, malfunction, or need to be replaced with different specifications, the external gear ring 1 can be quickly separated from the connecting plate 31 without complicated operations or a lot of time, greatly improving maintenance and replacement efficiency and reducing maintenance costs. The connecting shaft body 2 passes through and fixes the external gear ring 1 and the quick-release mechanism 3 and connects to the external drive end. This design ensures the stability of the overall gear structure and the reliability of transmission. During vehicle operation, the gears can transmit power efficiently and stably, reducing transmission failures caused by structural loosening or unstable connection, extending the service life of the gears, and improving the safety and stability of vehicle operation.

[0023] As one implementation method in this embodiment, please refer to Figure 1 and Figure 2 As shown, the quick-release mechanism 3 includes six fixed brackets 36 fixedly connected to the upper and lower ends of the connecting plate 31. The six fixed brackets 36 located at the upper and lower ends of the connecting plate 31 are arranged in a circular array. Elastic compression strips 37 are rotatably sleeved inside each of the twelve fixed brackets 36. The ends of the twelve elastic compression strips 37 away from the fixed brackets 36 abut against the inner wall of the outer gear ring 1. Pressure cover plates 33 are provided at both the upper and lower ends of the outer gear ring 1. Six mounting sleeves 34 are fixedly connected in a circular array on the side of the two pressure cover plates 33 that are far apart from each other. Six guide grooves 4 are opened in a circular array on the inner wall of the outer gear ring 1. Threaded holes 5 are symmetrically opened inside the six guide grooves 4 inside the outer gear ring 1.

[0024] It should be noted that the twelve elastic compression strips 37 arranged in a ring array abut against the inner wall of the outer gear ring 1. Together with the mounting sleeve 34 on the pressure cover plate 33, they can quickly achieve a tight connection and disassembly between the outer gear ring 1 and the connecting plate 31. When it is necessary to replace or repair the gear, the operator can quickly complete the disassembly and assembly, which greatly shortens the maintenance time, improves work efficiency, and reduces the cost loss caused by downtime maintenance. The guide groove 4 provides precise positioning for the installation of the outer gear ring 1 and the connecting plate 31, ensuring that the installation process is accurate and avoiding problems such as unstable gear operation and accelerated wear caused by installation deviation. This ensures the accuracy and reliability of gear transmission. The threaded hole 5 facilitates the further fixing of related components with bolts and other fasteners, enhances the stability of the connection, and enables the gear to withstand greater torque and impact during vehicle operation, reducing the risk of loosening and falling off, and improving the service life of the gear.

[0025] As one implementation method in this embodiment, please refer to Figure 1 and Figure 2 As shown, each mounting sleeve 34 has a threaded connection of a limiting bolt 35 inside, and the connecting plate 31 is limited to the external gear ring 1 through the mounting sleeve 34, the limiting bolt 35 and the threaded hole 5. Several elastic extrusion strips 37 have pressure holes 38 on the side away from the connecting plate 31. The bottom of the two pressure cover plates 33 on opposite sides is fixedly connected to an annular array of extrusion blocks 32, and the extrusion blocks 32 are sleeved inside the pressure holes 38.

[0026] It should be noted that the threaded connection between the limiting bolt 35 and the mounting sleeve 34 and the threaded hole 5 achieves precise positioning of the external gear ring 1 and the connecting plate 31, ensuring that there is no relative displacement between the two during operation, guaranteeing the stability and accuracy of the gear transmission, reducing noise and wear caused by loosening, and extending the service life of the gear. The pressure hole 38 on the elastic extrusion strip 37 cooperates with the extrusion block 32 on the pressure cover plate 33. When the pressure cover plate 33 is tightened, the extrusion block 32 penetrates into the pressure hole 38, applying uniform pressure to the elastic extrusion strip 37, making it tightly fit against the inner wall of the external gear ring 1, enhancing the stability of the connection, and enabling it to withstand greater torque and impact force, thus improving the reliability of the gear under complex working conditions. At the same time, this design makes the disassembly and assembly process more convenient and efficient. When it is necessary to replace or repair the gear, simply loosen the limiting bolt 35 and remove the pressure cover plate 33 to easily separate the external gear ring 1 and the connecting plate 31, greatly shortening the maintenance time and reducing maintenance costs.

[0027] As one implementation method in this embodiment, please refer to Figure 1 and Figure 2As shown, the outer wall of the connecting plate 31 is fixedly connected with six trapezoidal protrusions in an annular array. The connecting plate 31 is slidably connected to the outer gear ring 1 through the guide groove 4 via the protrusions. The outer walls of the two pressure plates 33 are fixedly connected with six protruding blocks in an annular array. After the pressure plates 33 are installed, they are on the same plane as the top surface of the outer gear ring 1.

[0028] It should be noted that the six trapezoidal protrusions in the annular array on the outer wall of the connecting plate 31 slide and engage with the guide groove 4 of the outer gear ring 1. This design makes the installation process of the connecting plate 31 and the outer gear ring 1 more precise and efficient. The protrusions can quickly and accurately slide into the guide groove 4, achieving rapid positioning, reducing installation time, and improving assembly efficiency. At the same time, the cooperation between the trapezoidal protrusions and the guide groove 4 increases the contact area between the two, improving the stability of the connection. During gear operation, it can effectively resist torque and impact, reduce the risk of loosening and wear, and extend the service life of the gear. After the pressure cover plate 33 is installed, it is flush with the top surface of the outer gear ring 1, which not only makes the overall appearance of the gear more regular and beautiful, but also reduces stress concentration caused by unevenness of parts, reducing the possibility of cracks or breakage of the gear during operation.

[0029] Working principle: The gear achieves efficient disassembly and assembly through the quick-release mechanism 3. During installation, the six trapezoidal protrusions in the annular array on the outer wall of the connecting plate 31 can quickly slide and engage with the guide groove 4 on the inner wall of the outer gear ring 1, accurately positioning and speeding up the connection between the two. The elastic compression strips 37, which are rotatably connected inside the six fixed brackets 36 arranged in an annular array at the upper and lower ends of the connecting plate 31, can compress the ends of the elastic compression strips 37 after the connecting plate 31 and the outer gear ring 1 are installed, because the elastic compression strips 37 are rotatably connected with the fixed brackets 36, so that the end away from the fixed brackets 36 is tightly abutted against the inner wall of the outer gear ring 1, enhancing the connection stability.

[0030] Subsequently, two pressure plates 33 are installed on the upper and lower sides of the outer gear ring 1. The extrusion block 32 on the pressure plate 33 is inserted into the pressure hole 38 of the elastic extrusion strip 37 to further extrude the elastic extrusion strip 37. At the same time, the mounting sleeve 34 on the pressure plate 33 is connected to the threaded hole 5 in the outer gear ring 1 through the limiting bolt 35 to complete the assembly. When disassembling, the above steps are reversed. The protrusion on the outer wall of the pressure plate 33 enhances its structural strength. After installation, the pressure plate 33 is flush with the top surface of the outer gear ring 1, making the gear appearance neat, reducing stress concentration, reducing the risk of failure, and improving the overall assembly efficiency, connection stability and maintainability of the gear.

[0031] The above embodiments are only used to illustrate the technical solution of this utility model, and are not intended to limit it.

Claims

1. An automobile gear having improved structure comprising an outer ring gear (1) characterized in that: The outer gear ring (1) is provided with a connecting plate (31) inside. A quick-release mechanism (3) is provided between the outer gear ring (1) and the connecting plate (31) to facilitate disassembly of the two. The quick-release mechanism (3) is fixedly connected to the connecting shaft body (2) that is connected to the external drive end.

2. The automobile gear with improved structure as claimed in claim 1, wherein: The quick-release mechanism (3) includes six fixed brackets (36) fixedly connected to the upper and lower ends of the connecting plate (31). The six fixed brackets (36) located at the upper and lower ends of the connecting plate (31) are arranged in a ring array. The interior of each of the twelve fixed brackets (36) is rotatably fitted with an elastic compression strip (37). The end of each of the twelve elastic compression strips (37) away from the fixed bracket (36) abuts against the inner wall of the outer toothed ring (1).

3. The automobile gear with improved structure as claimed in claim 2 wherein: The upper and lower ends of the external gear ring (1) are provided with pressure cover plates (33). Six mounting sleeves (34) are fixedly connected to the two pressure cover plates (33) on the side away from each other in an annular array. The inner wall of the external gear ring (1) is provided with six guide grooves (4) in an annular array. The interior of the external gear ring (1) is provided with threaded holes (5) symmetrically located inside the six guide grooves (4).

4. The automobile gear with improved structure as claimed in claim 3 wherein: Each of the mounting sleeves (34) has a threaded connection to a limiting bolt (35), and the connecting disc (31) is connected to the external gear ring (1) through the threaded hole (5) via the mounting sleeve (34), the limiting bolt (35).

5. The automobile gear with improved structure as claimed in claim 4 wherein: Several elastic extrusion strips (37) have pressure holes (38) on the side away from the connecting plate (31). The bottom of the two pressure cover plates (33) on opposite sides are fixedly connected with extrusion blocks (32), and the extrusion blocks (32) are sleeved inside the pressure holes (38).

6. The automobile gear with improved structure as claimed in claim 3 wherein: The outer wall of the connecting disc (31) is fixedly connected with six trapezoidal protrusions in an annular array. The connecting disc (31) is slidably sleeved with the outer toothed ring (1) through the guide groove (4) via the protrusions.

7. The automobile gear with improved structure as claimed in claim 3, wherein: The outer walls of the two pressure plates (33) are each fixedly connected with six protruding blocks in a ring array. After the pressure plates (33) are installed, they are on the same plane as the top surface of the outer gear ring (1).