Motor left suspension assembly

Abstract

The utility model relates to a left suspension assembly of a motor. The left suspension assembly comprises a vulcanization assembly, a limiting plate and a limiting sleeve, the vulcanization assembly comprises a body support, a rubber vibration reduction piece and an inner core. A rubber vibration reduction part is arranged in the body support and is in a tower shape, a through hole is formed in the center of the rubber vibration reduction part, and an inner core is arranged in the through hole. The bottom of the vulcanization assembly is connected with a limiting sleeve through an inner core; the top of the vulcanization assembly is connected with a limiting plate through an inner core; the rubber vibration reduction piece stressed by the left suspension assembly is of an integrated structure formed by vulcanizing the body support and the inner core, the risk that the support and the lining are loosened and fall off in a combined mode is avoided due to stress, meanwhile, the tower-shaped rubber vibration reduction piece fully disperses vibration of a motor, comfort of a whole vehicle in the moving process is improved, and the left suspension assembly has the advantages of being light in weight, low in cost and the like. The connecting structure has the advantages of simple structure, convenience in loading, high safety coefficient and the like, and is very suitable for connecting the low-power electric vehicle motor and the vehicle body.

Description

Technical Field

[0001] The utility model relates to the field of electric vehicle manufacturing, in particular to a motor left suspension assembly. Background Art

[0002] The well-known mount is a key component connecting the automotive motor and the vehicle body. When the vehicle powertrain vibrates due to electromagnetic and mechanical excitation, it effectively isolates the motor's vibration from being transmitted to the vehicle body or subframe. It is particularly widely used in electric vehicles with high NVH (noise, vibration, and harshness) requirements. The bracket in the left mount is generally cast aluminum. As we all know, the advantages of metal are: high tensile strength and unaffected by temperature (within 200°C). However, due to its high density, metal also weighs more, which increases the weight of the vehicle. Costs also increase accordingly. At the same time, the high rigidity of metal reduces vehicle performance. The motor mount connection method is generally to directly press the bracket and bushing combination together. This method has very little pull-out force between the bushing and the bracket, posing a safety hazard while the vehicle is in motion and reducing the vehicle's safety factor. Utility Model Content

[0003] In response to the problems that the existing motor suspension connection method is to directly press the bracket and bushing combination into each other, the bushing and bracket have low pull-out force, which poses a safety hazard during the car's driving; and the components are heavy, which increases the weight of the entire vehicle. A motor left suspension assembly is proposed.

[0004] The technical solution of the utility model is: a left suspension assembly of a motor, including a vulcanization assembly, a limiting plate, and a limiting sleeve; the vulcanization assembly includes a main body bracket, a rubber vibration damper, and an inner core; a rubber vibration damper is provided inside the main body bracket, the rubber vibration damper is tower-shaped, a through hole is provided in the center of the rubber vibration damper, and an inner core is provided in the through hole; the bottom of the vulcanization assembly is connected to the limiting sleeve through the inner core, and the top of the vulcanization assembly is connected to the limiting plate through the inner core.

[0005] Preferably, a first boss for alleviating motor vibration is provided on the top of the main body bracket, and a second boss for alleviating motor vibration is provided on the bottom.

[0006] Preferably, the bottom of the main body bracket is provided with a plurality of bracket grooves for reducing the counterweight, and the limiting sleeve is provided with a plurality of limiting sleeve grooves for reducing the counterweight.

[0007] Preferably, an inner core groove is provided at one end of the inner core, and two inner core bosses are symmetrically provided on the outer side of the inner core groove.

[0008] Preferably, the top end of the inner core boss is rounded.

[0009] Preferably, a limiting plate groove is provided on one side of the limiting plate, and two limiting plate through holes are symmetrically provided on the outer side of the limiting plate groove, and the positions of the limiting plate through holes correspond to the inner core boss.

[0010] Preferably, the inner core boss is interference-fitted with the through hole of the limiting plate.

[0011] Preferably, a plurality of U-shaped grooves are symmetrically provided on the side surface of one end of the inner core away from the inner core boss.

[0012] Preferably, the limiting sleeve is annular, and a plurality of U-shaped bosses are provided on the inner side of the limiting sleeve, and the positions of the U-shaped bosses correspond to the U-shaped grooves.

[0013] Preferably, the U-shaped boss and the U-shaped groove are plug-fitted with clearance.

[0014] The beneficial effects of the present invention are as follows: the rubber vibration damper to which the left suspension assembly is subjected to stress is an integrated structure vulcanized with the main body bracket and the inner core, and the stress is applied to avoid the risk of loosening and falling off of the bracket and bushing combination. At the same time, the tower-shaped rubber vibration damper also fully dissipates the vibration of the motor, thereby improving the comfort of the entire vehicle during movement. It has the advantages of light weight, simple structure, easy installation, and high safety factor, and is very suitable for the installation and use of low-power electric vehicle motors connected to the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the left suspension assembly of the motor of the present invention;

[0016] Figure 2 This is an exploded perspective diagram of the left suspension assembly of the motor of the present invention;

[0017] Figure 3 This is a bottom view of the left suspension assembly of the motor of the present invention;

[0018] Figure 4 is a three-dimensional diagram of the inner core;

[0019] Figure 5 is a three-dimensional diagram of a limiting plate;

[0020] Figure 6 It is a three-dimensional diagram of the limiting sleeve;

[0021] Figure 7 A three-dimensional diagram of the connection of the inner core rubber vibration damper.

[0022] In the figures, the component names corresponding to the reference numerals are as follows:

[0023] 1. Vulcanization assembly; 11. Body bracket; 111. Bracket groove; 12. Rubber vibration damper; 13. Inner core; 131. Inner core boss; 132. Inner core groove; 133. U-shaped groove; 14. First boss; 15. Second boss; 2. Limit plate; 21. Limit plate through hole; 22. Limit plate groove; 3. Limit sleeve; 31. U-shaped boss; 32. Limit sleeve groove; DETAILED DESCRIPTION

[0024] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0025] refer to Figure 1 、 2 As shown, the utility model provides a motor left suspension assembly, including a vulcanization assembly 1, a limiting plate 2, and a limiting sleeve 3;

[0026] The vulcanization assembly 1 includes a body bracket 11, a rubber vibration damper 12, and an inner core 13. The body bracket 11 is made of aluminum alloy, and the rubber vibration damper 12 is disposed inside the body bracket 11. The vulcanization assembly 1 is formed by vulcanizing the body bracket 11 and the rubber vibration damper 12. The rubber vibration damper 12 is made of natural rubber and is in a tower shape. A through hole is provided in the center of the rubber vibration damper 12, and an inner core 13 is disposed in the through hole. The rubber vibration damper 12 and the inner core 13 are connected by vulcanization of the natural rubber, thereby forming the body bracket 11, the rubber vibration damper 12, and the inner core 13 into a single unit.

[0027] The bottom of the vulcanized assembly 1 is connected to the limit sleeve 3 through the inner core 13. The limit sleeve 3 is made of nylon. The top of the vulcanized assembly 1 is connected to the limit plate 2 through the inner core 13. The vulcanized assembly 1 is the main force-bearing component, among which the limit plate 2 and the limit sleeve 3 play a limiting role, avoiding safety hazards caused by slippage and loosening of mating parts during driving, thereby improving the safety factor.

[0028] The top of the main body bracket 11 is provided with a first boss 14, and the bottom is provided with a second boss 15. The first boss 14 and the second boss 15 are made of rubber, which can effectively reduce the vibration of the motor when the car is bumpy. When the motor vibrates significantly, the rubber vibration damper 12 can smoothly isolate the vibration, thereby improving the comfort of the entire vehicle.

[0029] refer to Figure 3 As shown, the bottom of the main body bracket 11 is provided with a plurality of bracket grooves 111, and the limiting sleeve 3 is provided with a plurality of limiting sleeve grooves 32. In this embodiment, the bracket grooves 111 are square with rounded corners and there are 14 of them; the limiting sleeve grooves 32 are square with rounded corners and there are 17 of them. The bracket grooves 111 and the limiting sleeve grooves 32 reduce the weight of the components, reduce the cost, and greatly reduce the weight of the entire vehicle.

[0030] refer to Figure 4 、 5As shown, one end of the inner core 13 is provided with an inner core groove 132, which is circular, and two inner core bosses 131 are symmetrically provided on the outside of the groove 132. The height of the inner core boss 131 is 4MM, and the top is chamfered; one side of the limiting plate 2 is provided with a limiting plate groove 22, which is circular, and two limiting plate through holes 21 are symmetrically provided on the outside of the limiting plate groove 22. The position of the limiting plate through hole 21 corresponds to the inner core boss 131, and the position of the limiting plate through hole 21 and the inner core boss 131 are both circular. The inner core boss 131 can be pressed into the limiting plate through hole 21 to connect the inner core 13 with the limiting plate 2, and the inner core boss 131 is interference fit with the limiting plate through hole 21, so that the limiting plate 2 is tightly connected to the inner core 13, thereby avoiding the situation where parts fall off during transportation; when the assembly is assembled, the groove 22 cooperates with the groove 132 for center positioning.

[0031] refer to Figure 6 、 7 As shown, the side surface of the inner core 13 away from the inner core boss 131 is symmetrically provided with a plurality of U-shaped grooves 133. The limiting sleeve 3 is annular, and a plurality of U-shaped bosses 31 are provided on the inner side of the limiting sleeve 3. The position of the U-shaped boss 31 corresponds to the U-shaped groove 133. The U-shaped boss 31 can be inserted into the U-shaped groove 133 to connect the inner core 13 and the limiting sleeve 3. The U-shaped boss 31 and the U-shaped groove 133 are clearance-matched, which has the functions of positioning, guiding, and preventing rotation.

[0032] The beneficial effects are as follows: the rubber vibration damper 12 on which the left suspension assembly of the utility model is subjected to stress is an integrated structure vulcanized with the main body bracket 11 and the inner core 13, and the stress is avoided to avoid the risk of loosening and falling off of the bracket and bushing combination. At the same time, the tower-shaped rubber vibration damper 12 also fully dissipates the vibration of the motor, thereby improving the comfort of the whole vehicle during movement. It has the advantages of light weight, simple structure, easy installation, and high safety factor, and is very suitable for the installation and use of low-power electric vehicle motors connected to the vehicle body.

[0033] It should be noted that the orientations or positional relationships indicated by the above-mentioned terms "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. "Multiple" means two or more. "Installation", "connected", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form or substance. It should be pointed out that ordinary technicians in this technical field can make several improvements and supplements without departing from the present invention, and these improvements and supplements should also be considered as the scope of protection of the present invention. Any technician familiar with this profession can make some changes, modifications and equivalent changes made by using the technical content disclosed above without departing from the spirit and scope of the present invention, which are all equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A motor left suspension assembly, characterized in that: The invention comprises a vulcanization assembly (1), a limiting plate (2), and a limiting sleeve (3); the vulcanization assembly (1) comprises a main body bracket (11), a rubber vibration damping member (12), and an inner core (13); a rubber vibration damping member (12) is provided inside the main body bracket (11); the rubber vibration damping member (12) is in a tower shape; a through hole is provided at the center of the rubber vibration damping member (12); and an inner core (13) is provided in the through hole; the bottom of the vulcanization assembly (1) is connected to the limiting sleeve (3) through the inner core (13), and the top of the vulcanization assembly (1) is connected to the limiting plate (2) through the inner core (13).

2. The motor left suspension assembly according to claim 1, characterized in that: The top of the body bracket (11) is provided with a first boss (14) for alleviating motor vibration, and the bottom is provided with a second boss (15) for alleviating motor vibration.

3. The motor left suspension assembly according to claim 1, characterized in that: The bottom of the main body bracket (11) is provided with a plurality of bracket grooves (111) for reducing the counterweight, and the limiting sleeve (3) is provided with a plurality of limiting sleeve grooves (32) for reducing the counterweight.

4. The motor left suspension assembly according to claim 1, characterized in that: An inner core groove (132) is provided at one end of the inner core (13), and two inner core bosses (131) are symmetrically provided on the outer side of the inner core groove (132).

5. The motor left suspension assembly according to claim 4, characterized in that: The top end of the inner core boss (131) is rounded.

6. The motor left suspension assembly according to claim 5, characterized in that: A limiting plate groove (22) is provided on one side of the limiting plate (2), and two limiting plate through holes (21) are symmetrically provided on the outer side of the limiting plate groove (22), and the positions of the limiting plate through holes (21) correspond to the inner core boss (131).

7. The motor left suspension assembly according to claim 6, characterized in that: The inner core boss (131) is interference-fitted with the limiting plate through hole (21).

8. The motor left suspension assembly according to claim 4, characterized in that: A plurality of U-shaped grooves (133) are symmetrically provided on the side surface of one end of the inner core (13) away from the inner core boss (131).

9. The motor left suspension assembly according to claim 8, characterized in that: The limiting sleeve (3) is annular, and a plurality of U-shaped bosses (31) are provided on the inner side of the limiting sleeve (3), and the positions of the U-shaped bosses (31) correspond to the U-shaped grooves (133).

10. The motor left suspension assembly according to claim 9, characterized in that: The U-shaped boss (31) and the U-shaped groove (133) are interspaced and plug-fitted.

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