Transmission shell of unilateral gear motor of electric vehicle

Abstract

The utility model belongs to the technical field of motor shells, and particularly relates to a single-side gear motor transmission shell of an electric vehicle. The device comprises a first outer cover piece and a second outer cover piece, the second outer cover piece is arranged above the first outer cover piece, a first placing groove is formed in the first outer cover piece, meanwhile, a second placing groove and a transmission placing groove are formed in the second outer cover piece, and a transmission bearing piece is arranged above one side of the second outer cover piece; according to the utility model, the combination mode of the first outer cover piece, the second outer cover piece, the transmission bearing piece and the transmission protection piece is utilized, the motor is completely wrapped, the climbing performance of a vehicle is improved, the speed increasing performance is more excellent, the power consumption is reduced, and the endurance is longer.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor housings and relates to a transmission housing of a single-sided gear motor of an electric vehicle. Background Art

[0002] A motor refers to an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction, or converts one form of electrical energy into another. An electric motor converts electrical energy into mechanical energy, and a generator converts mechanical energy into electrical energy. The electric motor is represented by the letter "M" (the old standard uses "D") in the circuit. Its main function is to generate driving torque as a power source for electrical appliances or various machines. When the existing single-sided gear motor of an electric vehicle is working, due to the simple housing structure and the motor housing being in a transmission state for a long time, the climbing performance of the entire electric vehicle is reduced, and the speed increase is not significantly effective. At the same time, the functional consumption is large, resulting in a shortened driving time. Therefore, in response to the above problems, a transmission housing for a single-sided gear motor of an electric vehicle is proposed. Utility Model Content

[0003] The purpose of the utility model is to solve the above problems and provide a transmission housing for a single-sided gear motor of an electric vehicle.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A single-sided gear motor transmission housing for an electric vehicle comprises a first outer cover and a second outer cover, wherein a second outer cover is provided above the first outer cover, and an upper opening and a lower opening are provided on the front of the first outer cover and the second outer cover respectively, a first positioning ear is provided at one end of the first outer cover, a second positioning ear and a third positioning ear are provided at one side of the second outer cover respectively, a transmission bearing member is provided above one end of the second outer cover, and a transmission protective member is provided above the transmission bearing member, and a second limiting ear and a first limiting ear are provided on the circumference of the transmission bearing member and the transmission protective member respectively, and a transmission shaft assembly is inserted below the transmission bearing member and the transmission protective member.

[0006] In the above-mentioned electric vehicle single-sided gear motor transmission housing, the top of the first outer cover is fixedly connected to the bottom of the second outer cover, and the top of the first outer cover is the same size as the bottom of the second outer cover. The upper side of the second outer cover is fixedly connected to the transmission carrier, and a transmission device is provided in the transmission carrier. At the same time, the transmission device in the transmission carrier is connected to the combined interior of the first outer cover and the second outer cover.

[0007] In the above-mentioned electric vehicle single-sided gear motor transmission housing, a first placement groove is provided inside the first outer cover, and the first placement groove is connected to the lower opening part, and a second placement groove and a transmission placement groove are respectively provided inside the second outer cover, and the second placement groove and the transmission placement groove are merged with the first placement groove accordingly, and the motor is placed in one side of the second placement groove and the first placement groove.

[0008] In the above-mentioned electric vehicle single-sided gear motor transmission housing, an external connecting groove is opened on the upper side of the other side of the second outer cover, and the external connecting groove is connected to the transmission placement groove. A connecting joint is provided in the transmission placement groove, and the connecting joint in the transmission placement groove is fixedly connected to one side of the internal motor.

[0009] In the above-mentioned electric vehicle single-sided gear motor transmission housing, the transmission bearing member is fixedly connected to multiple second limiting ears around a circle, and the second limiting ears are placed above one side of the second outer cover member, and the transmission protection member is fixedly connected to multiple first limiting ears around a circle, and the first limiting ears correspond to the second limiting ears.

[0010] In the above-mentioned electric vehicle single-sided gear motor transmission housing, the first limiting ear and the second limiting ear are fixedly connected by screws inserted therein, and the bottom circumference of the transmission protection component is tightly fitted with the top circumference of the transmission bearing component.

[0011] In the above-mentioned electric vehicle single-sided gear motor transmission housing, a first transmission mounting portion is provided in the transmission bearing member, a second transmission mounting portion is provided in the transmission protection member, and the second transmission mounting portion is merged with the first transmission mounting portion.

[0012] In the above-mentioned electric vehicle single-sided gear motor transmission housing, the transmission protection part is fixedly connected to the protrusion above, and the transmission protection part and the protrusion are both inserted into the rotationally connected transmission shaft assembly, and at the same time, the transmission shaft assembly is inserted into the merger of the first transmission mounting part and the second transmission mounting part below.

[0013] In the above-mentioned electric vehicle single-sided gear motor transmission housing, one end of the first outer cover is fixedly connected to the first positioning ear, and the first positioning ear is connected to the interior of the vehicle body.

[0014] In the above-mentioned electric vehicle single-sided gear motor transmission housing, one side of the second outer cover is fixedly connected to the second positioning ear and the third positioning ear, and the second positioning ear and the third positioning ear are both connected to the vehicle body.

[0015] Compared with the existing technology, the advantages of this utility model are:

[0016] The utility model is provided with a second outer cover above the first outer cover, and a first placement groove is provided in the first outer cover, and a second placement groove and a transmission placement groove are respectively provided in the second outer cover, a transmission bearing member is provided above one side of the second outer cover, and a transmission protection member is pressed above the transmission bearing member. The combination of the first outer cover, the second outer cover, the transmission bearing member and the transmission protection member is utilized to completely cover the motor, thereby increasing the vehicle's climbing performance, making the acceleration performance more superior, reducing power consumption, and extending the battery life.

[0017] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic exploded top view of the entire utility model;

[0020] Figure 3 This is a schematic diagram of an overall explosion viewed from above of the present invention;

[0021] Figure 4 It is a schematic side view of the entirety of the present invention;

[0022] Figure 5 It is an overall top view schematic diagram of the utility model.

[0023] In the figure: 1. First outer cover; 101. First placement slot; 2. Second outer cover; 201. Second placement slot; 202. Transmission placement slot; 3. Transmission protection member; 301. Protrusion; 302. Second transmission mounting portion; 303. First limiting ear; 4. Transmission shaft assembly; 5. First positioning ear; 6. Second positioning ear; 7. Transmission bearing member; 701. Second limiting ear; 702. First transmission mounting portion; 8. Upper opening; 9. Lower opening; 10. External connection slot; 11. Third positioning ear. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1-5As shown, a transmission housing of a single-sided gear motor of an electric vehicle includes a first outer cover 1 and a second outer cover 2. The second outer cover 2 is provided above the first outer cover 1, and the front of the first outer cover 1 and the second outer cover 2 are respectively provided with an upper opening 8 and a lower opening 9. A first positioning ear 5 is provided at one end of the first outer cover 1, and a second positioning ear 6 and a third positioning ear 11 are respectively provided on one side of the second outer cover 2. A transmission bearing member 7 is provided above one end of the second outer cover 2, and a transmission protective member 3 is provided above the transmission bearing member 7. At the same time, a second limiting ear 701 and a first limiting ear 303 are respectively provided on the circumference of the transmission bearing member 7 and the transmission protective member 3. The transmission shaft assembly 4 is inserted below the transmission bearing member 7 and the transmission protective member 3.

[0026] The top circle of the first outer cover 1 is fixedly connected to the bottom circle of the second outer cover 2, and the top circle of the first outer cover 1 is the same size as the bottom circle of the second outer cover 2. The upper side of the second outer cover 2 is fixedly connected to the transmission bearing member 7, and a transmission device is provided in the transmission bearing member 7. At the same time, the transmission device in the transmission bearing member 7 is connected to the inside of the combination of the first outer cover 1 and the second outer cover 2.

[0027] Furthermore, a first placement groove 101 is provided inside the first outer cover 1, and the first placement groove 101 is connected to the lower opening portion 9, and a second placement groove 201 and a transmission placement groove 202 are respectively provided inside the second outer cover 2, and the second placement groove 201 and the transmission placement groove 202 are both merged with the first placement groove 101, and at the same time, the motor is placed in one side of the second placement groove 201 and the first placement groove 101.

[0028] The first placement groove 101 and the second placement groove 201 respectively provided in the first outer cover 1 and the second outer cover 2 are combined and the motor is placed inside, thus forming a complete motor housing, and a transmission device is provided in the transmission bearing member 7 provided above the complete motor housing, and the transmission output is performed externally by using the transmission bearing member 7.

[0029] An external connection groove 10 is opened on the other side of the second outer cover 2, and the external connection groove 10 is connected to the transmission placement groove 202. A connection joint is provided in the transmission placement groove 202, and the connection joint in the transmission placement groove 202 is fixedly connected to one side of the internal motor.

[0030] An external connection groove 10 provided on one side of the second outer cover 2 connects the interior to the vehicle body through electric wires.

[0031] A plurality of second limiting ears 701 are fixedly connected around the transmission supporting member 7, and the second limiting ears 701 are placed above one side of the second outer cover member 2. A plurality of first limiting ears 303 are fixedly connected around the transmission protection member 3, and the first limiting ears 303 correspond to the second limiting ears 701.

[0032] Furthermore, the first limiting ear 303 and the second limiting ear 701 are fixedly connected by screws inserted therein, and the bottom circumference of the transmission protection component 3 is tightly fitted with the top circumference of the transmission bearing component 7 .

[0033] After the second limiting ears 701 and the first limiting ears 303 respectively provided on the transmission bearing member 7 and the transmission protection member 3 cooperate with each other, the transmission bearing member 7 and the transmission protection member 3 protect the internal transmission device.

[0034] Furthermore, a first transmission mounting portion 702 is provided in the transmission bearing member 7 , a second transmission mounting portion 302 is provided in the transmission protection member 3 , and the second transmission mounting portion 302 is merged with the first transmission mounting portion 702 .

[0035] Furthermore, the transmission protection member 3 is fixedly connected to the protrusion 301 above, and the transmission protection member 3 and the protrusion 301 are both inserted into the rotationally connected transmission shaft assembly 4, while the transmission shaft assembly 4 is inserted below into the junction of the first transmission mounting portion 702 and the second transmission mounting portion 302.

[0036] After the transmission shaft assembly 4 is inserted into the transmission bearing member 7 and the transmission protection member 3, the lower part of the transmission shaft assembly 4 is connected to the internal transmission device, and then the internal motor supplies the power to the transmission device, and finally outputs it through the transmission shaft assembly 4.

[0037] The first positioning ear 5 is fixedly connected to one end of the first outer cover 1 , and the first positioning ear 5 is connected to the interior of the vehicle body.

[0038] Furthermore, one side of the second outer cover 2 is fixedly connected to the second positioning ear 6 and the third positioning ear 11 , and both the second positioning ear 6 and the third positioning ear 11 are connected to the vehicle body.

[0039] The first outer cover 1 and the second outer cover 2 are respectively provided with a first positioning ear 5 , a second positioning ear 6 , and a third positioning ear 11 , which are used to fix the complete motor housing inside the vehicle body.

[0040] Working principle:

[0041] A second outer cover 2 is provided above the first outer cover 1, and a first placement slot 101 is provided in the first outer cover 1, and a second placement slot 201 and a transmission placement slot 202 are respectively provided in the second outer cover 2, so that the motor is installed in the first placement slot 101 and the second placement slot 201, so that the motor shaft is connected to the upper part of one side of the second outer cover 2, and at the same time, the external connection slot 10 provided on one side of the second outer cover 2 is connected to the transmission placement slot 202, and then connected to the internal motor to make the motor work. A transmission bearing 7 is provided above one side of the second outer cover 2, and a transmission protection member 3 is pressed above the transmission bearing 7, so that the transmission bearing 7 and the transmission device provided in the transmission protection member 3 will be connected to the rotating shaft of the motor, and power is provided from the motor to the internal transmission device. The transmission shaft assembly 4 is inserted below the transmission bearing 7 and the transmission protection member 3, so that the lower part of the transmission shaft assembly 4 is connected to the internal transmission device. When the motor is turned on, power is given to the vehicle body through the transmission device and the transmission shaft assembly 4.

[0042] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods without departing from the spirit of the present invention.

[0043] Although this document frequently uses terms such as 1. first outer cover; 101. first placement slot; 2. second outer cover; 201. second placement slot; 202. transmission placement slot; 3. transmission protection member; 301. protrusion; 302. second transmission mounting portion; 303. first limiting ear; 4. transmission shaft assembly; 5. first positioning ear; 6. second positioning ear; 7. transmission bearing member; 701. second limiting ear; 702. first transmission mounting portion; 8. upper opening; 9. lower opening; 10. external connection slot; 11. third positioning ear, the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention. Interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A transmission housing for a single-sided gear motor of an electric vehicle, comprising a first outer cover (1) and a second outer cover (2), characterized in that: A second outer cover (2) is provided above the first outer cover (1), and an upper opening (8) and a lower opening (9) are provided on the front of the first outer cover (1) and the second outer cover (2), respectively; a first positioning ear (5) is provided at one end of the first outer cover (1), and a second positioning ear (6) and a third positioning ear (11) are provided on one side of the second outer cover (2), respectively; a transmission bearing member (7) is provided above one end of the second outer cover (2), and a transmission protection member (3) is provided above the transmission bearing member (7); and a second limiting ear (701) and a first limiting ear (303) are provided on the circumference of the transmission bearing member (7) and the transmission protection member (3), respectively; and a transmission shaft assembly (4) is inserted below the transmission bearing member (7) and the transmission protection member (3).

2. The electric vehicle single-sided gear motor transmission housing according to claim 1, characterized in that: The top of the first outer cover (1) is fixedly connected to the bottom of the second outer cover (2), and the top of the first outer cover (1) is the same size as the bottom of the second outer cover (2). The upper side of the second outer cover (2) is fixedly connected to the transmission bearing member (7), and a transmission device is provided in the transmission bearing member (7). At the same time, the transmission device in the transmission bearing member (7) is connected to the inside of the combination of the first outer cover (1) and the second outer cover (2).

3. The electric vehicle single-sided gear motor transmission housing according to claim 2, characterized in that: A first placement groove (101) is provided inside the first outer cover (1), and the first placement groove (101) is communicated with the lower opening (9); a second placement groove (201) and a transmission placement groove (202) are respectively provided inside the second outer cover (2), and the second placement groove (201) and the transmission placement groove (202) are both merged with the first placement groove (101), and a motor is placed in one side of the second placement groove (201) and the first placement groove (101).

4. The electric vehicle single-sided gear motor transmission housing according to claim 3, characterized in that: An external connection groove (10) is provided above the other side of the second outer cover (2), and the external connection groove (10) is communicated with the transmission placement groove (202). A connection joint is provided in the transmission placement groove (202), and the connection joint in the transmission placement groove (202) is fixedly connected to one side of the internal motor.

5. The electric vehicle single-sided gear motor transmission housing according to claim 4, characterized in that: The transmission bearing member (7) is fixedly connected to a plurality of second limiting ears (701) around its periphery, and the second limiting ears (701) are placed above one side of the second outer cover member (2); the transmission protection member (3) is fixedly connected to a plurality of first limiting ears (303) around its periphery, and the first limiting ears (303) correspond to the second limiting ears (701).

6. The electric vehicle single-sided gear motor transmission housing according to claim 5, characterized in that: The first limiting ear (303) and the second limiting ear (701) are fixedly connected by screws inserted therein, and the bottom circumference of the transmission protection member (3) is tightly fitted with the top circumference of the transmission bearing member (7).

7. The electric vehicle single-sided gear motor transmission housing according to claim 6, characterized in that: A first transmission mounting portion (702) is provided in the transmission bearing member (7), a second transmission mounting portion (302) is provided in the transmission protection member (3), and the second transmission mounting portion (302) is merged with the first transmission mounting portion (702).

8. The electric vehicle single-sided gear motor transmission housing according to claim 7, characterized in that: The transmission protection member (3) is fixedly connected to the raised portion (301) above, and the transmission protection member (3) and the raised portion (301) are both inserted into the rotationally connected transmission shaft assembly (4), while the transmission shaft assembly (4) is inserted below into the merging portion of the first transmission mounting portion (702) and the second transmission mounting portion (302).

9. The electric vehicle single-sided gear motor transmission housing according to claim 1, characterized in that: One end of the first outer cover (1) is fixedly connected to the first positioning ear (5), and the first positioning ear (5) is connected to the interior of the vehicle body.

10. The electric vehicle single-sided gear motor transmission housing according to claim 1, characterized in that: One side of the second outer cover (2) is fixedly connected to the second positioning ear (6) and the third positioning ear (11), and the second positioning ear (6) and the third positioning ear (11) are both connected to the vehicle body.

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