Drive axle assembly for balance car

By designing a detachable connection and buffer structure for the self-balancing vehicle drive axle assembly, the problems of difficult disassembly and maintenance and insufficient buffer protection have been solved, achieving the effects of quick disassembly and stable protection.

CN223735775UActive Publication Date: 2025-12-30JINHUA HUILONG ELECTRONICS EQUIP
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520434500.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2025-12-30
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing self-balancing scooter drive axle components are fixedly installed as a single unit in a limited space, which makes disassembly and maintenance difficult and cannot provide stable cushioning and protection, thus failing to meet daily use needs.

Method used

A drive axle assembly was designed, comprising a mounting base, drive axle body, drive roller, output sleeve, mounting top cover, connector, threaded rod, and other components. It achieves quick assembly/disassembly and stable protection through detachable connection and buffer structure.

Benefits of technology

It enables quick disassembly and maintenance of the self-balancing scooter's drive axle components, as well as stable buffer protection, thus improving the equipment's practicality and versatility.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223735775U_ABST
    Figure CN223735775U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of balance car drive axles, in particular to a drive axle assembly for a balance car, which comprises a mounting underframe, a drive axle body and a drive roller, output sleeves are fixedly connected to two ends of the mounting underframe, and a mounting top cover is movably connected to the top end of the mounting underframe. First connecting bases are fixedly connected to the four corners of the side face of the mounting top cover, and second connecting bases are fixedly connected to the four corners of the side face of the mounting bottom frame. According to the drive axle assembly for the balance car, through the arrangement of the installation bottom frame, the drive axle body, the drive roller, the output sleeve, the installation top cover, the first connecting base, the second connecting base, the connecting threaded rod, the threaded sleeve and the butt joint pad, the drive axle assembly for the balance car can be more suitable for disassembly and assembly in actual use; a worker firstly installs the whole drive axle body needing to be installed and used in the installation bottom frame, and at the moment, the drive rollers at the two ends of the drive axle body can be installed in the output sleeves in an inserted mode.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to balance car drive axle technical field, concretely is a balance car drive axle assembly. BACKGROUND

[0002] Electric balance car, also called body feeling car, thinking car, camera position car, etc., mainly has two kinds of single wheel and double wheel on the market, and its operation principle is mainly based on a basic principle called "dynamic stability", utilizes the gyroscope and acceleration sensor in the car body to detect the change of car body posture, and utilizes the servo control system to accurately drive the motor to make corresponding adjustment, so as to keep the balance of the system, is a new type of green environmental protection product used as a modern person's walking tool, leisure and entertainment.

[0003] For example, the patent file with the announcement number CN 216861392 U discloses a hydraulic auxiliary drive axle assembly, which comprises a drive axle, the two sides of the drive axle are connected with connecting rods, the bottom end of the connecting rods is provided with a protection assembly, the top end of the protection assembly is provided with a mounting seat, a ring of clamping rods is installed on the inner wall of the mounting seat, connecting rods are installed on the two sides of the drive axle, which facilitates the installation of the protection assembly at the bottom end of the connecting rods, protects the connecting rods, prevents the bottom of the drive axle from being damaged due to impact, and prevents the bottom of the drive axle from being damaged, the bottom end of the protection assembly is connected with a protection frame, which facilitates the locking of the protection frame and the connecting plate on the bottom end of the connecting rod through fixing screws, facilitates the quick installation thereof, the outer wall end of the protection assembly is provided with a mounting seat, the inner wall end of the mounting seat is connected with clamping rods, the clamping rods are welded on the mounting seat, the clamping plates of the reinforcing frame are combined and installed with the clamping rods, which facilitates the combination and use of the connecting objects with the reinforcing assembly.

[0004] However, the structure in the actual use process, due to the limitation of its own structure, often only the drive axle assembly in the balance car internal limited space, carries out the integrated fixed installation, leads to the subsequent balance car whole body cannot carry out the quick disassembly and maintenance operation, and the equipment cannot carry out the whole balance car drive axle assembly when using the stable buffering operation, cannot satisfy the daily use demand, therefore, it is urgent to design a kind of balance car drive axle assembly to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of balance car drive axle assembly to solve the problem that the structure in the actual use process in the above background art, due to the limitation of its own structure, often only the drive axle assembly in the balance car internal limited space, carries out the integrated fixed installation, leads to the subsequent balance car whole body cannot carry out the quick disassembly and maintenance operation, and the equipment cannot carry out the whole balance car drive axle assembly when using the stable buffering operation, cannot satisfy the daily use demand.

[0006] To achieve the above object, the utility model provides the following technical scheme: A driving axle assembly for a balance car, including installation chassis, the inside of installation chassis is provided with driving axle body, the both ends of driving axle body are provided with driving roller, the both ends of installation chassis are fixedly connected with output sleeve;

[0007] The top of the installation chassis is movably connected with an installation top cover, the four corners of the side surface of the installation top cover are fixedly connected with a first connector, and the four corners of the side surface of the installation chassis are fixedly connected with a second connector.

[0008] Preferably, the inside of the second connector is provided with a connecting threaded rod, and the top of the first connector is provided with a threaded sleeve.

[0009] Preferably, a butt joint pad is arranged between the first connector and the second connector, and the installation chassis and the driving axle body are adapted to each other.

[0010] Preferably, an installation arc groove is formed in the surface of the installation chassis, and a driving groove is formed in the center of the front and rear ends of the installation arc groove.

[0011] Preferably, a protective inner pad is arranged on the inner wall of the installation arc groove, and a protective rubber strip is arranged on the two sides of the inside of the installation arc groove.

[0012] Preferably, a buffer ring seat is fixedly connected to one end of the output sleeve, and a buffer rubber sleeve is arranged in the inside of the buffer ring seat.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The driving axle assembly for a balance car is provided with the installation chassis, the driving axle body, the driving roller, the output sleeve, the installation top cover, the first connector, the second connector, the connecting threaded rod, the threaded sleeve and the butt joint pad, so that the equipment can be disassembled and assembled in accordance with actual use. In actual use, the staff first installs the driving axle body in the inside of the installation chassis, then inserts the driving roller at the two ends of the driving axle body into the inside of the output sleeve, and then directly covers the installation top cover on the surface of the installation chassis. The first connector at the four corners of the installation top cover is connected to the second connector at the four corners of the installation chassis. The butt joint pad between the first connector and the second connector is positioned and connected. Then, the staff only needs to twist the connecting threaded rod in the inside of the second connector to screw it at one end of the threaded sleeve of the first connector, so as to fix the installation chassis and the installation top cover at the first connector and the second connector at the four corners. The staff can conveniently disassemble and assemble the driving axle body and the driving roller in the inside of the balance car for maintenance and use, which reflects the practicability of the equipment design.

[0015] The driving axle assembly of the balance car further improves the use effect of the equipment as a whole, and in the daily use process, when the driving axle body is placed into the inside of the mounting bottom frame, the driving axle body as a whole can be preliminarily positioned at the mounting arc groove of the mounting bottom frame, after the mounting top cover is fixedly connected on the mounting bottom frame, the protective inner pad of the mounting arc groove inner wall cooperates with the protective rubber strips on the two sides, so that the driving axle body of the balance car as a whole can be centrally positioned and protected, and the driving rollers at the two ends can be inserted from the buffer rubber sleeve of the buffer ring seat at one end of the output sleeve, so that the driving axle body and the driving rollers as a whole can be timely buffered and protected when the balance car runs and vibrates, and the comprehensiveness of the equipment design is embodied. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the structure of the utility model;

[0017] Figure 2 It is a whole schematic view of the mounting bottom frame structure of the utility model;

[0018] Figure 3 It is a split view schematic view of the first connector and the second connector structure of the utility model;

[0019] Figure 4 It is a three-dimensional schematic view of the structure of the utility model Figure 1 It is an enlarged schematic view of the structure of A in the utility model.

[0020] In the figure: 1, mounting bottom frame; 2, driving axle body; 3, driving roller; 4, output sleeve; 5, mounting top cover; 6, first connector; 7, second connector; 8, connecting threaded rod; 9, threaded sleeve; 10, butt joint pad; 11, mounting arc groove; 12, driving groove; 13, protective inner pad; 14, protective rubber strip; 15, buffer ring seat; 16, buffer rubber sleeve. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment:

[0023] A kind of balanced car drive axle assembly, including installation chassis 1, the inside of installation chassis 1 is provided with drive axle body 2, the both ends of drive axle body 2 are provided with drive roller 3, the both ends of installation chassis 1 are fixedly connected with output sleeve 4, the surface of installation chassis 1 is equipped with installation arc groove 11, the front and rear ends of installation arc groove 11 are equipped with drive groove 12 in the center, the inner wall of installation arc groove 11 is provided with protective inner pad 13, the both sides of the inside of installation arc groove 11 are provided with protective rubber strip 14, one end of output sleeve 4 is fixedly connected with buffer ring seat 15, the inside of buffer ring seat 15 is provided with buffer rubber sleeve 16, the protective inner pad 13 of installation arc groove 11 inner wall cooperates with the protective rubber strip 14 of both sides, the drive axle body 2 of balanced car can be positioned and protected centrally as a whole, and the drive roller 3 at both ends can be inserted from the buffer rubber sleeve 16 of one end of output sleeve 4 buffer ring seat 15.

[0024] Installation top cover 5, the top end of installation chassis 1 is movably connected with installation top cover 5, the side of installation top cover 5 four corners is fixedly connected with first connector 6, the side of installation chassis 1 four corners is fixedly connected with second connector 7, the inside of second connector 7 is provided with connecting threaded rod 8, the top end of first connector 6 is provided with threaded sleeve 9, and abutting pad 10 is arranged between first connector 6 and second connector 7, installation top cover 5 is directly covered and connected on the surface of installation chassis 1, the first connector 6 of installation top cover 5 four corners can be connected to the second connector 7 on the four corners of installation chassis 1, the abutting pad 10 between first connector 6 and second connector 7 is positioned and connected, then only need to twist the connecting threaded rod 8 in the inside of second connector 7, so that it is screwed at one end in the threaded sleeve 9 of first connector 6.

[0025] Working principle: in use, the user first installs the drive axle body 2 to be installed and used as a whole in the inside of the installation chassis 1, at this time the drive rollers 3 at both ends of the drive axle body 2 can be inserted and installed in the inside of the output sleeve 4, then the installation top cover 5 can be directly covered on the surface of the installation chassis 1, the first socket 6 at the four corners of the installation top cover 5 can be connected to the second socket 7 at the four corners of the installation chassis 1, the positioning and connecting of the connecting pad 10 between the first socket 6 and the second socket 7, then only need to twist the connecting screw rod 8 inside the second socket 7, so that it is screwed at one end in the threaded sleeve 9 of the first socket 6, so as to realize the fixing operation of the installation chassis 1 and the installation top cover 5 at the four corners of the first socket 6 and the second socket 7, and the subsequent convenient balance car can quickly disassemble and maintain the whole drive axle body 2 and the drive roller 3, in the daily use process, when the drive axle body 2 is put into the inside of the installation chassis 1, at this time the drive axle body 2 can be preliminarily positioned in the installation arc groove 11 of the installation chassis 1, when the installation top cover 5 is fixedly covered on the installation chassis 1, the protective inner pad 13 on the inner wall of the installation arc groove 11 cooperates with the protective rubber strips 14 on both sides, which can centrally position and protect the drive axle body 2 of the balance car, and the drive rollers 3 at both ends can be inserted from the buffer rubber sleeve 16 of the buffer ring seat 15 at one end of the output sleeve 4, and the subsequent buffer protection of the drive axle body 2 and the drive roller 3 can be completed in time when the balance car runs and vibrates, the above is the whole working principle of the utility model.

[0026] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A drive axle assembly for a balance car, comprising a mounting chassis (1), characterized in that: The inside of the mounting chassis (1) is provided with a drive axle body (2), both ends of the drive axle body (2) are provided with drive rollers (3), both ends of the mounting chassis (1) are fixedly connected with output sleeves (4); The top end of the mounting chassis (1) is movably connected with a mounting top cover (5), the side four corners of the mounting top cover (5) are fixedly connected with first connectors (6), the side four corners of the mounting chassis (1) are fixedly connected with second connectors (7).

2. The drive axle assembly of claim 1, wherein: The inside of the second connector (7) is provided with a connecting threaded rod (8), the top end of the first connector (6) is provided with a threaded sleeve (9).

3. The drive axle assembly of claim 1, wherein: A butt joint pad (10) is arranged between the first connector (6) and the second connector (7), and the mounting chassis (1) and the drive axle body (2) are matched.

4. The drive axle assembly of claim 1, wherein: A mounting arc groove (11) is formed on the surface of the mounting chassis (1), and drive grooves (12) are formed in the center of the front and rear ends of the mounting arc groove (11).

5. The drive axle assembly of claim 4, wherein: The inner wall of the mounting arc groove (11) is provided with a protective inner pad (13), and the inside of the mounting arc groove (11) is provided with protective rubber strips (14) on both sides.

6. The drive axle assembly of claim 1, wherein: One end of the output sleeve (4) is fixedly connected with a buffer ring seat (15), and the inside of the buffer ring seat (15) is provided with a buffer rubber sleeve (16).

Citation Information

Patent Citations

  • Hydraulic auxiliary drive axle assembly

    CN216861392U