Chassis and toy car

By designing drive, steering, and cushioning components on the toy car chassis, and using copolymerized polyoxymethylene materials and protective shells, the problems of easy wear and high noise in traditional toy car chassis have been solved, improving service life and stability.

CN223846233UActive Publication Date: 2026-01-30SHANTOU CHENMI TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520195170.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-30
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Traditional toy car chassis have simple structures, are made of materials that are easily worn, and lack cushioning mechanisms, resulting in loud noise and vibration, which affects service life and user experience.

Method used

It employs drive components, steering components, and buffer components, using gears and retaining rings made of copolymerized polyoxymethylene material, combined with a protective shell design to enhance wear resistance and stability.

Benefits of technology

It reduces wear and vibration, improves the lifespan of toy cars and user experience, and enhances chassis stability and convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223846233U_ABST
    Figure CN223846233U_ABST
Patent Text Reader

Abstract

The utility model provides a chassis and a toy car, and belongs to the technical field of toy cars, the chassis comprises a chassis body, a driving assembly, a steering assembly and a buffer assembly, the driving assembly comprises a driving motor fixedly connected to the chassis body, the driving motor is fixedly connected with a driving gear, the output end of the driving motor is fixedly connected with the driving gear, and the steering assembly is fixedly connected with the buffer assembly. The driving gear is in meshed connection with a driven gear, the driven gear is fixedly connected with a first bevel gear, the first bevel gear is in meshed connection with a second bevel gear, the second bevel gear is fixedly connected with a rear rotating shaft in a penetrating mode, and the two ends of the rear rotating shaft are fixedly connected with rear wheels respectively. Six groups of large protective rings and five groups of small protective rings in the buffering assembly are all made of polyformaldehyde, vibration and friction loss can be reduced when the rear rotating shaft, the linkage shaft and the front rotating shaft rotate, meanwhile, gears in the driving assembly and the steering assembly are all made of polyformaldehyde, and the service life is prolonged while abrasion resistance is enhanced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of toy car, especially a kind of chassis and toy car. BACKGROUND

[0002] In the existing toy car design, chassis is as the core component of supporting and driving whole toy car, and its structural design and material selection have important influence on the performance and service life of toy car. The traditional toy car chassis often adopts relatively simple driving and steering structure, and the material is mostly plastic or metal. These materials are prone to wear, breakage and other problems during long-term use, which affects the stability and service life of toy car. In addition, the traditional toy car chassis lacks effective buffering mechanism during driving and steering, which is easy to produce large noise and vibration during driving, affecting user experience. Therefore, a kind of chassis and toy car is proposed. UTILITY MODEL CONTENTS

[0003] Therefore, the utility model provides a kind of chassis and toy car to solve or alleviate the technical problems existing in the prior art, at least to provide a kind of beneficial selection.

[0004] The technical scheme of the utility model is realized as follows: including chassis body, driving assembly, steering assembly, buffer assembly, the driving assembly includes the driving motor fixedly connected on the chassis body, the driving motor is fixedly connected with driving gear on it, the output end of the driving motor is fixedly connected with driving gear, the driving gear is meshingly connected with driven gear, the first bevel gear is fixedly connected on the driven gear, the second bevel gear is meshingly connected with the first bevel gear, the rear rotating shaft is fixedly connected through the second bevel gear on the second bevel gear, and the rear wheel is fixedly connected at both ends of the rear rotating shaft.

[0005] Further preferably, the steering assembly includes a linkage shaft fixedly connected to the driven gear, a third bevel gear fixedly connected to one end of the linkage shaft away from the first bevel gear, a fourth bevel gear meshingly connected to the third bevel gear, a front rotating shaft fixedly connected through the fourth bevel gear on the fourth bevel gear, a steering wheel spherically connected to both ends of the front rotating shaft, a steering motor fixedly connected on the chassis body, a transmission rod connected to the output end of the steering motor, and the transmission rod rotationally connected to the transmission rod.

[0006] Further preferably, the buffer assembly includes a first large guard ring and a second large guard ring fixedly connected to both ends of the rear rotating shaft, a third large guard ring and a fourth large guard ring fixedly connected to both ends of the linkage shaft, a fifth large guard ring and a sixth large guard ring fixedly connected to both ends of the front rotating shaft, a first small guard ring fixedly connected to the middle part of the front rotating shaft, a second small guard ring fixedly connected to one end of the linkage shaft, a third small guard ring and a fifth small guard ring fixedly connected to both ends of the rear rotating shaft, and a fourth small guard ring fixedly connected to the rear rotating shaft.

[0007] Further preferably, the rear rotating shaft is rotatably connected to the chassis body, the rear wheel is located on the outer side of the chassis body, and the rear rotating shaft and the front rotating shaft are respectively located on the two sides of the chassis body, and the diameter of the rear rotating shaft is consistent with the diameter of the front rotating shaft.

[0008] Further preferably, the linkage shaft is rotatably connected to the chassis body, the front rotating shaft is rotatably connected to the chassis body, the steering wheel is located on the outer side of the chassis body, and the transmission rod is slidably connected to the chassis body, and the size of the steering wheel is consistent with the size of the rear wheel.

[0009] Further preferably, the third small retainer ring and the fifth small retainer ring are respectively attached to the second large retainer ring and the fifth small retainer ring, and the second small retainer ring is located on the side close to the fourth large retainer ring.

[0010] Further preferably, in the toy car, a tail wing is fixedly connected to the tail of the car shell, a front guard plate is fixedly connected to one end of the chassis body, and a protective shell body is fixedly connected to the chassis body through screws.

[0011] The embodiment of the present application has the following advantages due to the adoption of the above technical scheme.

[0012] Firstly, the six large retainer rings and the five small retainer rings in the buffer assembly are all made of polyoxymethylene, which can reduce vibration and friction loss when the rear rotating shaft, the linkage shaft and the front rotating shaft rotate, and the gears in the driving assembly and the steering assembly are also made of polyoxymethylene, which can enhance wear resistance and improve service life.

[0013] Secondly, the front guard plate can protect the chassis body and the car shell during driving, and the protective shell body fixed on the chassis body by screws can protect the internal driving assembly and steering assembly, thereby improving the service life, and the car shell, the chassis body and the protective shell body are connected by insertion and fixed by screws, which is stable and facilitates opening and maintenance, thereby improving the convenience of the device.

[0014] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described illustrative aspects, embodiments and features, further aspects, embodiments and features of the present application will be readily apparent from the drawings and detailed description below. BRIEF DESCRIPTION OF DRAWINGS

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0017] Figure 2 This is a partial structural schematic diagram of the present invention;

[0018] Figure 3 This is an exploded view of the structure of this utility model;

[0019] Figure 4 This utility model Figure 2 Enlarged view of point A in the image;

[0020] Figure 5 This utility model Figure 2 Enlarged view of point B in the image.

[0021] Reference numerals: 1. Chassis body; 101. Drive motor; 102. Drive gear; 103. Driven gear; 104. First bevel gear; 105. Second bevel gear; 106. Rear rotating shaft; 107. Rear wheel; 201. Linkage shaft; 202. Third bevel gear; 203. Fourth bevel gear; 204. Front rotating shaft; 205. Steering wheel; 206. Steering motor; 207. Transmission rod; 301. First large protective ring; 302. Second large protective ring; 303. Third large protective ring; 304. Fourth large protective ring; 305. Fifth large protective ring; 306. Sixth large protective ring; 401. First small protective ring; 402. Second small protective ring; 403. Third small protective ring; 404. Fourth small protective ring; 405. Fifth small protective ring; 5. Body shell; 501. Rear spoiler; 502. Front skid plate; 503. Protective shell. Detailed Implementation

[0022] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0023] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0024] Example 1:

[0025] like Figures 1-5The utility model discloses an embodiment provides a chassis, including chassis body 1, drive assembly, steering assembly, buffer assembly, drive assembly includes the drive motor 101 of fixed connection on chassis body 1, the drive motor 101 is fixedly connected with driving gear 102, the output of drive motor 101 is fixedly connected with driving gear 102, and driving gear 102 is connected with driven gear 103, and driven gear 103 is fixedly connected with first bevel gear 104, and first bevel gear 104 is connected with second bevel gear 105, and second bevel gear 105 is fixedly connected with rear rotating shaft 106, and the both ends of rear rotating shaft 106 are fixedly connected with rear wheel 107 respectively, and rear rotating shaft 106 is rotatably connected on chassis body 1, and rear wheel 107 is located at the outside of chassis body 1, and rear rotating shaft 106 and front rotating shaft 204 are located at the both sides of chassis body 1 respectively, and the diameter of rear rotating shaft 106 is consistent with the diameter of front rotating shaft 204, and driving gear 102, driven gear 103, first bevel gear 104, second bevel gear 105 are all polyformaldehyde.

[0026] Steering assembly includes the linkage shaft 201 of fixed connection on driven gear 103, and the one end of linkage shaft 201 is fixedly connected with third bevel gear 202, and third bevel gear 202 is connected with fourth bevel gear 203, and fourth bevel gear 203 is fixedly connected with front rotating shaft 204, and the both ends of front rotating shaft 204 are respectively ball-connected with steering wheel 205, and chassis body 1 is fixedly connected with steering motor 206, and the output of steering motor 206 is connected with transmission rod 207, and transmission rod 207 is rotatably connected on transmission rod 207, and linkage shaft 201 is rotatably connected on chassis body 1, and front rotating shaft 204 is rotatably connected on chassis body 1, and steering wheel 205 is located at the outside of chassis body 1, and transmission rod 207 is slidably connected on chassis body 1, and the size of steering wheel 205 is consistent with the size of rear wheel 107, and third bevel gear 202 and fourth bevel gear 203 are all polyformaldehyde, and front rotating shaft 204 is located at the front end of chassis body 1.

[0027] Buffer assembly includes the first big guard ring 301 and second big guard ring 302 of fixed connection on the both ends of rear rotating shaft 106, and the both ends of linkage shaft 201 are respectively fixedly connected with third big guard ring 303 and fourth big guard ring 304, and the both ends of front rotating shaft 204 are respectively fixedly connected with fifth big guard ring 305 and sixth big guard ring 306, and the middle of front rotating shaft 204 is fixedly connected with first small guard ring 401, and one end of linkage shaft 201 is fixedly connected with second small guard ring 402, and the both ends of rear rotating shaft 106 are respectively fixedly connected with third small guard ring 403 and fifth small guard ring 405, and fourth small guard ring 404 is fixedly connected on rear rotating shaft 106, and third small guard ring 403 and fifth small guard ring 405 are respectively attached to second big guard ring 302 and fifth small guard ring 405, and second small guard ring 402 is located on the side close to fourth big guard ring 304, and buffer assembly is all polyformaldehyde and rotatably connected in the clamping groove of chassis body 1.

[0028] Embodiment 2:

[0029] As Figures 1-5 shown, the utility model discloses a kind of toy car, including car shell 5 and the chassis of any one in above, tail wing 501 is fixedly connected to tail of car shell 5, one end of chassis body 1 is fixedly connected with front fender 502, protective shell 503 is fixedly connected on chassis body 1 by screw, tail wing 501, front fender 502 and rearview mirror of both sides of car shell 5 are nylon material, car shell 5 is inserted in chassis body 1 and is fixed by screw.

[0030] The utility model inserts protective shell 503 on chassis body 1 by staff, then it is fixed by screw, subsequently inserts car shell 5 on chassis body 1 and is fixed by screw, when driving dolly, start drive motor 101 drive driving gear 102, and then drive linkage shaft 201 in chassis body 1 row rotation by driven gear 103, linkage shaft 201 first bevel gear 104 and third bevel gear 202 rotate at this moment, first bevel gear 104 drives rear rotation shaft 106 on chassis body 1 rotation by second bevel gear 105, rear rotation shaft 106 simultaneously drives two groups of rear wheels 107 rotation, third bevel gear 202 drives front rotation shaft 204 on chassis body 1 rotation by fourth bevel gear 203, and then drive two groups of steering wheels 205 and rear wheels 107 simultaneously rotate, drive the device to move, start steering motor 206 and promote transmission rod 207 effect rotation, can drive two groups of steering wheels 205 simultaneously and same direction on front rotation shaft 204 deflection, realize front wheel steering, when rear rotation shaft 106, linkage shaft 201, front rotation shaft 204 rotate by buffer assembly, can enhance the friction between gear, and enhance service life.

[0031] The above, only for the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any familiar with the technical field of the technical person in the utility model disclosed technical range, can easily think of its various changes or replacement, these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be accurate with the protection scope of the claim.

Claims

1. A chassis characterized by: The application relates to a chassis body (1), a driving assembly, a steering assembly and a buffer assembly, wherein the driving assembly comprises a driving motor (101) fixed to the chassis body (1), a driving gear (102) fixed to the driving motor (101), an output end of the driving motor (101) fixed with the driving gear (102), a driven gear (103) in mesh connection with the driving gear (102), a first bevel gear (104) fixed to the driven gear (103), a second bevel gear (105) in mesh connection with the first bevel gear (104), a rear rotating shaft (106) penetrating through the second bevel gear (105), and rear wheels (107) fixed to two ends of the rear rotating shaft (106).

2. A chassis as claimed in claim 1, characterised in that: The steering assembly comprises a linkage shaft (201) fixed to the driven gear (103), a third bevel gear (202) fixed to one end of the linkage shaft (201) away from the first bevel gear (104), a fourth bevel gear (203) in mesh connection with the third bevel gear (202), a front rotating shaft (204) penetrating through the fourth bevel gear (203), front wheels (205) spherically connected to two ends of the front rotating shaft (204), a steering motor (206) fixed to the chassis body (1), a transmission rod (207) connected to an output end of the steering motor (206), and the transmission rod (207) rotationally connected to the transmission rod (207).

3. A chassis according to claim 2, wherein: The buffer assembly comprises a first large retainer (301) and a second large retainer (302) fixed to two ends of the rear rotating shaft (106), a third large retainer (303) and a fourth large retainer (304) fixed to two ends of the linkage shaft (201), a fifth large retainer (305) and a sixth large retainer (306) fixed to two ends of the front rotating shaft (204), a first small retainer (401) fixed to the middle part of the front rotating shaft (204), a second small retainer (402) fixed to one end of the linkage shaft (201), a third small retainer (403) and a fifth small retainer (405) fixed to two ends of the rear rotating shaft (106), and a fourth small retainer (404) fixed to the rear rotating shaft (106).

4. A chassis according to claim 3, wherein: The rear rotating shaft (106) is rotationally connected to the chassis body (1), the rear wheels (107) are located outside the chassis body (1), the rear rotating shaft (106) and the front rotating shaft (204) are respectively located on two sides of the chassis body (1), and the diameter of the rear rotating shaft (106) is consistent with the diameter of the front rotating shaft (204).

5. A chassis according to claim 4, wherein: The linkage shaft (201) is rotationally connected to the chassis body (1), the front rotating shaft (204) is rotationally connected to the chassis body (1), the front wheels (205) are located outside the chassis body (1), the transmission rod (207) is slidingly connected to the chassis body (1), and the size of the front wheels (205) is consistent with the size of the rear wheels (107).

6. A chassis according to claim 5, wherein: The third small retainer ring (403) and the fifth small retainer ring (405) are respectively attached to the second large retainer ring (302) and the fifth small retainer ring (405), and the second small retainer ring (402) is located on the side close to the fourth large retainer ring (304).

7. A toy vehicle characterized by: The chassis body (1) is provided with a front fender (502) at one end, and a protective shell (503) is fixed on the chassis body (1) by screws.