Suspension type driving structure of electric motor tricycle

Abstract

The utility model belongs to the technical field of motorcycles, and relates to a suspension type driving structure of an electric motor tricycle, which comprises a gearbox body, and a motor mounting shell for assembling a driving motor, a gear mounting shell for assembling a transmission gear and an output shaft mounting shell for assembling an output shaft are sequentially formed on the gearbox body. A motor shaft of the driving motor is parallel to the output shaft and is in transmission connection with the output shaft through a gear assembly, a plurality of suspension sleeves are formed outside the output shaft mounting shell, the axes of the suspension sleeves are parallel to the axis of the output shaft, and suspension rods are arranged in the suspension sleeves in a penetrating mode; the two ends of the suspension rod extend out of the suspension sleeve and are fixedly connected with the rear axle. According to the suspension type driving structure of the electric motor tricycle, the installation strength of the driving structure of the electric motor tricycle can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motorcycles and relates to a suspension drive structure of an electric three-wheeled motorcycle. Background Art

[0002] An electric three-wheeled motorcycle is a three-wheeled vehicle driven by an electric motor. It is used more and more widely due to its strong applicability, maneuverability, simple maintenance, convenient repair and low price.

[0003] The driving structure of the electric three-wheeled motorcycle includes a gear box and a motor, and the motor is connected to the output shaft through a transmission gear, and the output shaft drives the two rear wheels of the motorcycle to rotate so that the motorcycle moves forward or backward. The existing driving structure is generally fixed to the rear axle of the electric three-wheeled motorcycle by fasteners such as bolts, which has poor strength and is easy to break. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides a suspension drive structure for an electric three-wheeled motorcycle, which can improve the installation strength of the drive structure of the electric three-wheeled motorcycle.

[0005] In order to solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0006] A suspended drive structure for an electric three-wheeled motorcycle comprises a gear box body, on which a motor mounting housing for assembling a drive motor, a gear mounting housing for assembling a transmission gear and an output shaft mounting housing for assembling an output shaft are sequentially formed, the motor shaft of the drive motor is arranged in parallel with the output shaft and is transmission-connected via a gear assembly, a plurality of suspension sleeves are formed outside the output shaft mounting housing, the axes of the suspension sleeves are all arranged in parallel with the axis of the output shaft, a suspension rod is passed through the suspension sleeve, and both ends of the suspension rod extend out of the suspension sleeve and are fixedly connected to a rear axle.

[0007] In the above-mentioned suspended drive structure of an electric three-wheeled motorcycle, the radial dimension of the middle part of the output shaft mounting shell is larger than the radial dimension of the end part, and the suspension sleeve is formed on the output shaft mounting shell in the middle part and is connected to the output shaft mounting shell at the end part through the connecting plate at the bottom.

[0008] In the above-mentioned suspension drive structure of an electric three-wheeled motorcycle, the end faces at both ends of the suspension sleeve are flush with the end faces at both ends of the output shaft mounting housing.

[0009] In the above-mentioned suspension drive structure of an electric three-wheeled motorcycle, there are more than three suspension sleeves, at least one suspension sleeve is located above the output shaft mounting housing, and at least one suspension sleeve is located below the output shaft mounting housing.

[0010] In the above-mentioned suspension drive structure of an electric three-wheeled motorcycle, the box body includes a left box body and a right box body, the suspension sleeve includes a left sleeve and a right sleeve arranged in pairs, the left box body and the left sleeve are integrally formed, the right box body and the right sleeve are integrally formed, the left box body and the right box body are fixedly connected by fasteners so that the left sleeve and the right sleeve form an integral sleeve. Preferably, the left sleeve and the right sleeve are coaxially arranged and have a symmetrical structure.

[0011] In the above-mentioned suspended drive structure of an electric three-wheeled motorcycle, a motor end cover is integrally formed on the outer side of the motor mounting shell of the right box body, and the drive motor is fixedly connected to the motor end cover by fasteners.

[0012] In the above-mentioned suspended drive structure of an electric three-wheeled motorcycle, a distribution box is integrally formed on the outer side of the motor mounting shell of the left box body, electrical components are arranged in the distribution box, and a box cover is provided on the outer cover of the distribution box, and the box cover is fixedly connected to the distribution box by fasteners.

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

[0014] 1. The utility model provides a suspension drive structure for an electric three-wheeled motorcycle. Instead of using bolts or other fasteners to install the drive structure, multiple suspension sleeves are provided and the suspension structure is installed on the rear axle. Compared with a fixing structure using only bolts, the installation structure of the utility model has higher strength, can ensure the stability of the drive structure during operation, and can also increase its service life.

[0015] 2. The utility model further improves the structure of the gear box by integrally molding the motor end cover onto the right box body and the distribution box onto the left box body, thereby further simplifying the structure, facilitating installation and saving space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of embodiment 1 of the utility model;

[0017] Figure 2 It is a stereogram of Embodiment 2 of the present utility model;

[0018] Figure numerals: 1. box body; 2. driving motor; 3. motor mounting housing; 4. gear mounting housing; 5. output shaft mounting housing; 6. suspension sleeve; 7. connecting plate; 8. motor end cover; 9. distribution box; 10. box cover. DETAILED DESCRIPTION

[0019] The present invention will be further described below with reference to the accompanying drawings. Figure 1-2 :

[0020] Example 1

[0021] A suspended drive structure of an electric three-wheeled motorcycle includes a gear box body 1, on which a motor mounting housing 3 for assembling a drive motor 2, a gear mounting housing 4 for assembling a transmission gear, and an output shaft mounting housing 5 for assembling an output shaft are sequentially formed, the motor shaft of the drive motor 2 is arranged parallel to the output shaft and is connected through a gear assembly, a plurality of suspension sleeves 6 are formed outside the output shaft mounting housing 5, the axes of the suspension sleeves 6 are all arranged parallel to the axes of the output shaft, a suspension rod is passed through the suspension sleeve 6, and both ends of the suspension rod extend out of the suspension sleeve 6 and are fixedly connected to the rear axle.

[0022] Compare with Figure 1 During installation, the output shaft and the transmission gear are assembled in the gearbox housing 1, and the drive motor 2 is assembled on one side of the gearbox to complete the pre-installation of the drive structure. Then, the gearbox housing 1 is placed at the installation location, and the drive structure is suspended on the rear axle by a suspension rod. The suspension structure of this embodiment adopts a conventional suspension structure in the art. For example, a suspension seat corresponding to the two ends of the suspension sleeve 6 is provided on the rear axle, and the suspension rod is passed through the suspension seat and the suspension sleeve 6 and then locked with a locking nut.

[0023] Preferably, in order to better adapt to the output shaft mounting housing 5 and ensure the connection strength between the suspension sleeve 6 and the output shaft mounting housing 5, the radial dimension of the middle part of the output shaft mounting housing 5 is greater than the radial dimension of the end part, and the suspension sleeve 6 is molded on the output shaft mounting shell in the middle part and is connected to the output shaft mounting shell at the end part through the connecting plate 7 at the bottom.

[0024] Furthermore, the end surfaces of both ends of the suspension sleeve 6 are flush with the end surfaces of both ends of the output shaft mounting housing 5 .

[0025] There are more than three suspension sleeves 6, at least one suspension sleeve 6 is located above the output shaft mounting housing 5, and at least one suspension sleeve 6 is located below the output shaft mounting housing 5. In this embodiment, a total of three suspension sleeves 6 are provided, which are respectively located directly above, directly below, and at the outermost side of the output shaft mounting housing 5.

[0026] In order to facilitate production and installation, the box body 1 includes a left box body and a right box body, and the suspension sleeve 6 includes a left sleeve and a right sleeve arranged in pairs, the left box body and the left sleeve are integrally formed, and the right box body and the right sleeve are integrally formed, and the left box body and the right box body are fixedly connected by fasteners so that the left sleeve and the right sleeve form an integral sleeve. Preferably, the left sleeve and the right sleeve are coaxially arranged and have a symmetrical structure.

[0027] Example 2

[0028] Compare with Figure 2 The structure and installation method of the suspension sleeve 6 in Example 2 are the same as those in Example 1, but four suspension sleeves 6 are provided in Example 2, two of which are located on both sides above the output shaft mounting housing 5, and two of which are located on both sides below the output shaft mounting housing 5.

[0029] In this embodiment, a motor end cover 8 is integrally formed on the outer side of the motor mounting shell 3 of the right box body, and the drive motor 2 is fixedly connected to the motor end cover 8 by fasteners.

[0030] In this embodiment, a distribution box 9 is integrally formed on the outer side of the motor mounting shell 3 of the left box body. Electrical components are arranged in the distribution box 9. The outer cover of the distribution box 9 is provided with a box cover 10. The box cover 10 is fixedly connected to the distribution box 9 by fasteners.

[0031] Through the above integrated structure, the structure can be further simplified, installation is convenient, and space is saved.

[0032] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A suspension drive structure for an electric three-wheeled motorcycle, comprising a gear box housing (1), wherein the housing (1) is formed with a motor mounting housing (3) for mounting a drive motor (2), a gear mounting housing (4) for mounting a transmission gear, and an output shaft mounting housing (5) for mounting an output shaft in sequence, wherein the motor shaft of the drive motor (2) is arranged parallel to the output shaft and is connected to the output shaft through a gear assembly, and wherein: A plurality of suspension sleeves (6) are formed outside the output shaft mounting housing (5), the axes of the suspension sleeves (6) are all arranged parallel to the axis of the output shaft, and suspension rods are inserted into the suspension sleeves (6), with both ends of the suspension rods extending outside the suspension sleeves (6) and fixedly connected to the rear axle.

2. The suspension drive structure of an electric three-wheeled motorcycle according to claim 1, characterized in that: The radial dimension of the middle portion of the output shaft mounting housing (5) is greater than the radial dimension of the end portion; the suspension sleeve (6) is formed on the output shaft mounting housing (5) in the middle portion and is connected to the output shaft mounting housing (5) at the end portion via a connecting plate (7) at the bottom.

3. The suspension drive structure of an electric three-wheeled motorcycle according to claim 1, characterized in that: The end surfaces at both ends of the suspension sleeve (6) are flush with the end surfaces at both ends of the output shaft mounting housing (5).

4. The suspension drive structure of an electric three-wheeled motorcycle according to claim 1, characterized in that: The number of suspension sleeves (6) is more than three, at least one suspension sleeve (6) is located above the output shaft mounting housing (5), and at least one suspension sleeve (6) is located below the output shaft mounting housing (5).

5. The suspension drive structure of an electric three-wheeled motorcycle according to claim 1, characterized in that: The box body (1) comprises a left box body and a right box body, and the suspension sleeve (6) comprises a left sleeve and a right sleeve arranged in pair, the left box body and the left sleeve are integrally formed, and the right box body and the right sleeve are integrally formed, and the left box body and the right box body are fixedly connected by fasteners so that the left sleeve and the right sleeve form an integral sleeve.

6. The suspension drive structure of an electric three-wheeled motorcycle according to claim 5, characterized in that: A motor end cover (8) is integrally formed on the outer side of the motor mounting shell (3) of the right box body, and the drive motor (2) and the motor end cover (8) are fixedly connected via fasteners.

7. The suspension drive structure of an electric three-wheeled motorcycle according to claim 5, characterized in that: A distribution box (9) is integrally formed on the outer side of the motor mounting housing (3) of the left box body, and electrical components are arranged in the distribution box (9). The outer cover of the distribution box (9) is provided with a box cover (10), and the box cover (10) is fixedly connected to the distribution box (9) by fasteners.

Images