Rear axle structure of model car

By designing a model rear axle structure with a bridge shell, tensioning mechanism and adjustment plate, the problems of difficulty in maintenance and personalized selection in the prior art are solved, and simple assembly and operation are achieved, as well as easy disassembly and replacement of parts.

CN222918099UActive Publication Date: 2025-05-30SHANGHAI JIAYI AUTOMOBILE DESIGN SERVICE CO LTD
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Patent Information

Application Number
CN202421135850.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-05-30
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The rear axle structure of the existing model car is difficult to maintain, and the damaged parts cannot be replaced in a targeted manner, and the shell cannot be disassembled, which limits personalized choices and style diversity.

Method used

A model car rear axle structure is designed, including axle shell, a tensioning mechanism and an adjustment plate. Through the coordination of the adjustment rod, flip rod, transmission rod and pull rod, the adjustment of the axle shell and the easy disassembly of the parts are achieved.

Benefits of technology

It realizes simple assembly and operation of the rear axle structure of the model car, which facilitates customers to replace and adjust parts according to their needs, and improves product maintenance and personalized selectivity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222918099U_ABST
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Abstract

The utility model discloses a model car rear axle structure which comprises an axle housing, a tensioning mechanism and an adjusting plate, the side wall of the axle housing is provided with an adjusting cavity, the two ends of the axle housing are provided with channels communicated with the adjusting cavity, the side wall of the axle housing is provided with threaded holes communicated with the adjusting cavity, and the threaded holes are communicated with the adjusting cavity. A beam body and a steering cup base which are arranged on the traction rod in a sleeving mode are arranged at the two ends of the axle housing respectively, a pull rod base is clamped between the beam body and the steering cup base, and the tensioning mechanism comprises an overturning rod, a transmission rod movably matched with the overturning rod and the traction rod movably matched with the transmission rod and penetrating through the channel. An adjusting rod movably matched with the center of the turning plate is arranged on the side wall of the adjusting plate, and an external thread matched with the threaded hole is arranged at the front end of the adjusting rod. During disassembly, the steering cup base and the beam body can be disassembled by disassembling the pull rod base and screwing off the positioning nut, and operation is easy and convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of the rear axle of a model car, in particular to the structure of the rear axle of a model car. Background Art

[0002] The axle is connected to the vehicle frame through a suspension, and wheels are installed at both ends thereof. The function of the axle is to bear the load of the vehicle and maintain the normal driving of the vehicle on the road. Most of the axles of model cars on the market are made of plastic products, and the axle bodies made of pure metal materials are mostly integrally processed. The axle bodies of model vehicles of other brands are mostly integrally designed. If damaged, it is necessary to replace the main components or all axle accessories. This design is difficult to solve the maintenance problem of the product, difficult to replace the damaged parts specifically, and the housing cannot be disassembled, making it difficult to launch different styles of axle housings for customers' personalized selection according to the requirements of customers, which has a certain impact on the use of the rear axle of the model car. Therefore, we propose a structure of the rear axle of a model car, which is convenient to assemble and simple to operate. Content of the Utility Model

[0003] One advantage of the utility model is to provide a structure of the rear axle of a model car, which includes:

[0004] An axle housing, wherein an adjustment cavity is arranged on the side wall of the axle housing, channels communicating with the adjustment cavity are arranged at both ends of the axle housing, a threaded hole communicating with the adjustment cavity is arranged on the side wall of the axle housing, beam bodies sleeved on a traction rod and steering cup seats are respectively arranged at both ends of the axle housing, and a pull rod seat is clamped between the beam body and the steering cup seat;

[0005] A tensioning mechanism, which includes a turning rod, a transmission rod movably matched with the turning rod, and a traction rod movably matched with the transmission rod and passing through the channel;

[0006] An adjusting plate, wherein an adjusting rod movably matched with the center of a turning plate is arranged on the side wall of the adjusting plate, and an external thread matched with the threaded hole is arranged at the front end of the adjusting rod.

[0007] One advantage of the utility model is to provide a structure of the rear axle of a model car, wherein a sealing ring fitting to the opening of the adjustment cavity is arranged on the side wall of the axle housing, and limit insertion blocks are respectively arranged at both ends of the axle housing.

[0008] One advantage of the utility model is to provide a structure of the rear axle of a model car, wherein a limit slot is arranged on the side wall of the beam body close to the limit insertion block, and the limit slot is matched with the limit insertion block.

[0009] One advantage of the utility model is to provide a structure of the rear axle of a model car, wherein a first slot is arranged on the side wall of the beam body close to the steering cup seat, and a first limit slot is arranged inside the first slot.

[0010] One advantage of the present utility model is to provide a rear axle structure for a model car. Among them, a clamping seat is arranged on the side wall of the steering cup seat. A second clamping groove is arranged on the side wall of the clamping seat close to the beam body, and a second limiting groove is arranged inside the second clamping groove.

[0011] One advantage of the present utility model is to provide a rear axle structure for a model car. Among them, limiting blocks are respectively arranged on the left and right sides of the pull rod seat, and the limiting blocks are respectively matched with the first limiting groove and the second limiting groove.

[0012] One advantage of the present utility model is to provide a rear axle structure for a model car. Among them, the side wall of the steering cup seat is movably matched with a steering cup body through a shaft rod. A positioning nut and a limiting nut for pressing the positioning nut are arranged on the outer periphery of the traction rod.

[0013] One advantage of the present utility model is to provide a rear axle structure for a model car. Among them, L-shaped rods are respectively arranged at both ends of the flipping rod, and the L-shaped rods are movably matched with the transmission rod through a shaft rod.

[0014] One advantage of the present utility model is to provide a rear axle structure for a model car. Among them, a limiting hole is arranged on the side wall of the flipping rod, and a key groove is arranged inside the limiting hole.

[0015] One advantage of the present utility model is to provide a rear axle structure for a model car. Among them, a flat key is arranged on the side wall of the adjusting rod, and the flat key is matched with the key groove.

[0016] To achieve at least one of the above advantages of the present utility model;

[0017] According to an embodiment of the present utility model, the beneficial effects of the present utility model are as follows: For this kind of rear axle structure of the model car, through the cooperation of the flat key on the adjusting rod and the key groove in the limiting hole of the flipping rod, the adjusting rod drives the flipping rod to rotate, drives the transmission rod, and under the linkage of the transmission rod, drives the traction rod to move. The traction rod is limited and guided through the channel, the steering cup seat is pressed tightly by the positioning nut, the adjusting rod is locked through the cooperation of the threaded hole and the external thread of the adjusting rod, the beam body is kept stable through the cooperation of the limiting slot and the limiting block, the limiting blocks on the side wall of the pull rod seat are matched with the first limiting groove and the second limiting groove, and the pull rod seat is clamped by the clamping seat approaching the beam body. When it is loose, the pull rod seat can be disassembled, and the steering cup seat and the beam body can be disassembled by unscrewing the positioning nut, and the operation is simple and convenient. Description of the Drawings

[0018] Figure 1 Shows a first perspective schematic diagram of the overall structure of the rear axle structure of the model car of the present utility model;

[0019] Figure 2 Shows a partial structure schematic diagram of the disassembled state of the rear axle structure of the model car of the present utility model;

[0020] Figure 3 shows an exploded structural schematic diagram of the rear axle structure of the model vehicle of the present utility model;

[0021] Figure 4 shows a partial cross-sectional structural schematic diagram of the rear axle structure of the model vehicle of the present utility model;

[0022] Figure 5 shows a partial top-view structural schematic diagram of the rear axle structure of the model vehicle of the present utility model.

[0023] 100, axle housing; 101, adjustment cavity; 102, channel; 103, threaded hole; 104, sealing ring; 105, limit insert block; 110, beam body; 111, first card slot; 112, first limit slot; 120, steering cup seat; 121, steering cup body; 122, card holder; 123, second card slot; 130, pull rod seat; 131, limit block; 200, tensioning mechanism; 210, flipping rod; 211, L-shaped rod; 212, limit hole; 220, transmission rod; 230, traction rod; 231, positioning nut; 232, limit nut; 300, adjustment plate; 310, adjustment rod. Detailed implementation manners

[0024] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles defined in the following description can be applied to other implementation manners, variation schemes, improvement schemes, equivalent schemes, and other technical schemes that do not depart from the spirit and scope of the present utility model.

[0025] Those skilled in the art should understand that in the disclosure of the present utility model, the orientation or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on the present utility model.

[0026] It can be understood that the term "one" should be understood as "at least one" or "one or more". That is, in one embodiment, the number of an element can be one, while in other embodiments, the number of this element can be multiple. The term "one" should not be construed as a limitation on the number.

[0027] Refer to Figures 1 to 5, A structural schematic diagram of an implementation manner of the rear axle structure of a model car according to a preferred embodiment of the present utility model. Please refer to Figures 1 - 5 , The rear axle structure cabinet of the model car in this implementation manner, its main part includes a bridge housing 100, a tensioning mechanism 200, and an adjusting plate 300.

[0028] The bridge housing 100 limits and guides the traction rod 230 through the channel 102, cooperates with the external thread of the adjusting rod 310 through the threaded hole 103 to facilitate locking of the adjusting rod 310, cooperates with the limiting slot and the limiting block 105 to keep the beam body 110 stable, cooperates with the limiting block 131 on the side wall of the pull rod seat 130 with the first limiting groove 112 and the second limiting groove, and clamps the pull rod seat 130 by the clamping seat 122 approaching the beam body 110. When it is loose, the pull rod seat 130 can be disassembled. Specifically, an adjusting cavity 101 is provided on the side wall of the bridge housing 100, channels 102 communicating with the adjusting cavity 101 are provided at both ends of the bridge housing 100, a threaded hole 103 communicating with the adjusting cavity 101 is provided on the side wall of the bridge housing 100, beam bodies 110 and steering cup seats 120 sleeved on the traction rod 230 are respectively provided at both ends of the bridge housing 100, a pull rod seat 130 is clamped between the beam body 110 and the steering cup seat 120. In this implementation manner, a sealing ring 104 is provided on the side wall of the bridge housing 100 fitting the opening of the adjusting cavity 101, limiting blocks 105 are respectively provided at both ends of the bridge housing 100, a limiting slot is provided on the side wall of the beam body 110 close to the limiting block 105, and the limiting slot cooperates with the limiting block 105. A first card slot 111 is provided on the side wall of the beam body 110 close to the steering cup seat 120, a first limiting groove 112 is provided inside the first card slot 111, a clamping seat 122 is provided on the side wall of the steering cup seat 120, a second card slot 123 is provided on the side wall of the clamping seat 122 close to the beam body 110, a second limiting groove is provided inside the second card slot 123, limiting blocks 131 are respectively provided on the left and right sides of the pull rod seat 130, and the limiting blocks 131 respectively cooperate with the first limiting groove 112 and the second limiting groove. The side wall of the steering cup seat 120 is movably fitted with a steering cup body 121 through a shaft rod;

[0029] The tensioning mechanism 200 rotates through the flipping rod 210, driving the transmission rod 220. Driven by the transmission rod 220, the traction rod 230 is driven to move, and then the steering cup seat 120 is pressed tightly by the positioning nut 231. Specifically, the tensioning mechanism 200 includes a flipping rod 210, a transmission rod 220 movably engaged with the flipping rod 210, and a traction rod 230 movably engaged with the transmission rod 220 and passing through the channel 102. In this embodiment, L-shaped rods 211 are respectively arranged at both ends of the flipping rod 210, and the L-shaped rods 211 are movably engaged with the transmission rod 220 through a shaft rod. A limiting hole 212 is arranged on the side wall of the flipping rod 210, and a keyway is arranged inside the limiting hole 212. A positioning nut 231 and a limiting nut 232 for pressing the positioning nut 231 are arranged on the outer periphery of the traction rod 230;

[0030] The adjusting plate 300 is engaged with the keyway in the limiting hole 212 of the flipping rod 210 through a flat key on the adjusting rod 310. When the adjusting plate 300 is rotated, the adjusting rod 310 drives the flipping rod 210 to rotate. Specifically, an adjusting rod 310 movably engaged with the center of the flipping plate is arranged on the side wall of the adjusting plate 300, and an external thread engaged with the threaded hole 103 is arranged at the front end of the adjusting rod 310. In this embodiment, a flat key is arranged on the side wall of the adjusting rod 310, and this flat key is engaged with the keyway.

[0031] Combined Figures 1 - 5 , the specific use process of the rear axle structure of the model car in this embodiment is as follows. When the adjusting plate 300 is rotated, through the engagement of the flat key on the adjusting rod 310 with the keyway in the limiting hole 212 of the flipping rod 210, the adjusting rod 310 drives the flipping rod 210 to rotate, driving the transmission rod 220. Driven by the transmission rod 220, the traction rod 230 is driven to move. The traction rod 230 is limited and guided through the channel 102, the steering cup seat 120 is pressed tightly by the positioning nut 231, the adjusting rod 310 is locked through the engagement of the threaded hole 103 with the external thread of the adjusting rod 310, the beam body 110 is kept stable through the cooperation of the limiting slot and the limiting block 105, the traction rod seat 130 is clamped by the clamping seat 122 approaching the beam body 110. When it is loose, the traction rod seat 130 can be disassembled, and the steering cup seat 120 and the beam body 110 can be disassembled by unscrewing the positioning nut 231. The operation is simple and convenient.

[0032] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the drawings are only examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been shown and described in the embodiments. Without departing from the above principles, the embodiments of the present invention can have any deformation or modification.

Claims

1. Model car rear axle structure, characterized in that: include: A bridge housing (100), wherein a side wall of the bridge housing (100) is provided with an adjustment cavity (101), two ends of the bridge housing (100) are provided with channels (102) communicating with the adjustment cavity (101), a side wall of the bridge housing (100) is provided with a threaded hole (103) communicating with the adjustment cavity (101), two ends of the bridge housing (100) are respectively provided with a beam body (110) sleeved on a traction rod (230) and a steering cup seat (120), and a pull rod seat (130) is clamped between the beam body (110) and the steering cup seat (120); A tensioning mechanism (200), the tensioning mechanism (200) comprising a flip rod (210), a transmission rod (220) movably matched with the flip rod (210), and a traction rod (230) movably matched with the transmission rod (220) and passing through the channel (102); An adjustment plate (300) is provided on the side wall of the adjustment plate (300) with an adjustment rod (310) movably matched with the center of the flip plate, and the front end of the adjustment rod (310) is provided with an external thread matched with the threaded hole (103).

2. The rear axle structure of a model car according to claim 1, characterized in that: The side wall of the bridge housing (100) is provided with a sealing ring (104) which is fitted to the opening of the adjustment cavity (101), and both ends of the bridge housing (100) are respectively provided with limit plug blocks (105).

3. The rear axle structure of the model car according to claim 2, characterized in that: A side wall of the beam body (110) close to the limiting insert block (105) is provided with a limiting slot, and the limiting slot cooperates with the limiting insert block (105).

4. The rear axle structure of a model car according to claim 3, characterized in that: A first clamping groove (111) is provided on the side wall of the beam body (110) close to the steering cup seat (120), and a first limiting groove (112) is provided inside the first clamping groove (111).

5. The rear axle structure of a model car according to claim 4, characterized in that: A clamping seat (122) is provided on the side wall of the steering cup seat (120), a second clamping groove (123) is provided on the side wall of the clamping seat (122) close to the beam body (110), and a second limiting groove is provided inside the second clamping groove (123).

6. The rear axle structure of a model car according to claim 5, characterized in that: Limiting blocks (131) are respectively arranged on the left and right sides of the pull rod seat (130), and the limiting blocks (131) are respectively matched with the first limiting groove (112) and the second limiting groove.

7. The rear axle structure of a model car according to claim 6, characterized in that: The side wall of the steering cup seat (120) is movably matched with the steering cup body (121) via a shaft rod, and the outer periphery of the traction rod (230) is provided with a positioning nut (231) and a limiting nut (232) for pressing the positioning nut (231).

8. The rear axle structure of a model car according to claim 7, characterized in that: L-shaped rods (211) are respectively provided at both ends of the flip rod (210), and the L-shaped rod (211) and the transmission rod (220) are movably matched via a shaft rod.

9. The rear axle structure of a model car according to claim 8, characterized in that: A limiting hole (212) is provided on the side wall of the flip rod (210), and a key groove is provided inside the limiting hole (212).

10. The rear axle structure of a model car according to claim 9, characterized in that: The side wall of the adjusting rod (310) is provided with a flat key, which cooperates with the key slot.