A motor left suspension assembly

Abstract

The utility model relates to a kind of motor left suspension assembly, it is related to vehicle power assembly suspension system technical field, including support, the center of support is hollow, bush is located at support hollow place, and the side of bush away from support is connected with bracket arm;The side of the bottom of support close to bush is equipped with multiple support bosses;Bush includes inner tube;The side of bracket arm close to bush is equipped with multiple bracket arm bosses, the shape and position of bracket arm boss are matched with the shape position of the outside of inner tube, when assembling, bracket arm boss is attached with the outside of hexagonal inner tube.This utility model relates to a kind of motor left suspension assembly, with light weight, simple structure, easy to load, inner core anti-twist, strong torsional strength and the like, suitable for the installation and use of electric vehicle motor and vehicle body connection.

Description

Technical Field

[0001] This utility model relates to the technical field of vehicle powertrain mounting systems, and in particular to a left motor mounting assembly. Background Technology

[0002] As is well known, the mounting system is a crucial component connecting the powertrain and the vehicle body. It supports the weight of the powertrain, limits its displacement and torsional sway during vehicle operation, and isolates powertrain vibrations from being transmitted to the vehicle body. With the rapid development of domestically produced new energy vehicles, more and more consumers are choosing pure electric vehicles. Pure electric vehicle powertrains generally adopt a three-point center-of-gravity arrangement, rather than the torque shaft arrangement of traditional gasoline vehicles. The principle of the three-point center-of-gravity arrangement is that, in a top-view diagram, the powertrain's center of gravity should fall within the triangular area formed by the three elastic center points of the mounting system, and should be close to the center of the triangle. This places higher demands on the mounting system's installation boundaries and the powertrain's layout space. Furthermore, the peak torque of the pure electric vehicle's drive motor is significantly higher than that of a gasoline vehicle of the same class, and this peak torque can occur over a wide range of speeds. Therefore, the torsional limiting capability of the pure electric vehicle's mounting system is far superior to that of a gasoline vehicle. When installing a traditional left-side motor mount, the inner core will twist along with the mounting bolts due to the limited space of the installation boundary and powertrain layout. This will cause the rubber main spring to be stressed, thus affecting the service life of the mount. Furthermore, the traditional left-side motor mount cannot provide sufficient torsional support under high torque, which will affect the vibration isolation performance of the mount, affect the comfort of the driver and passengers, and also accelerate the damage of the mount. Utility Model Content

[0003] To address the above issues, a left-side motor mounting assembly is proposed.

[0004] The technical solution of this utility model is as follows: a left suspension assembly for a motor includes a bracket, the center of which is hollow, a bushing is provided in the hollow part of the bracket, and a support arm is connected to the side of the bushing away from the bracket; a plurality of bracket bosses are provided on the bottom of the bracket near the bushing; the bushing includes an inner tube; a plurality of support arm bosses are provided on the side of the support arm near the bushing, the shape and position of the support arm bosses match the shape and position of the outer side of the inner tube, and during assembly, the support arm bosses fit against the outer side of the hexagonal inner tube.

[0005] Preferably, the bracket 1 has a bracket hole at the bottom center and the bracket boss is located near the bracket hole.

[0006] Preferably, the support arm has a second mounting hole at its center, and the support arm boss is located near the second mounting hole.

[0007] Preferably, the inner tube has an inner hole at its center, and the bolt passes through the bracket hole, the inner hole of the inner tube, and the second mounting hole of the support arm in sequence. The bolt flange face contacts the inner tube and is subjected to force, thus connecting the left suspension assembly of the motor to the motor.

[0008] Preferably, the outer side of the inner tube is provided with rubber, and the outermost side of the inner tube and the rubber is fitted with an outer tube.

[0009] Preferably, an inner tube positioning hole is provided on the inner side of the inner tube's inner bore.

[0010] Preferably, the second mounting hole of the support arm is provided with an assembly guide B, and the outer side of the inner tube is provided with an assembly guide A. The support arm is set near the motor side, and the inner tube is set near the vehicle body side along with the bracket. When the assembly guide B and the assembly guide A fit together, the relative positions of the motor and the vehicle body are correct.

[0011] Preferably, the outermost two ends of the bracket are provided with bracket first mounting holes, and the bracket is connected to the vehicle body through the bracket first mounting holes.

[0012] Preferably, the outermost two ends of the support arm are provided with a first mounting hole, and the support arm is connected to the motor through the first mounting hole.

[0013] The beneficial effects of this utility model are as follows: This utility model provides a left-side motor mounting assembly, which has the advantages of being lightweight, simple in structure, easy to install, having an anti-torsion core, and strong anti-torsion capability. It is suitable for the installation and use of electric vehicle motors connected to the vehicle body. Attached Figure Description

[0014] Figure 1 This is a three-dimensional view of the left suspension mount of the motor of this utility model;

[0015] Figure 2 This is a front view of the left suspension assembly of the motor of this utility model;

[0016] Figure 3 This is a bottom view of the left suspension assembly of the motor of this utility model;

[0017] Figure 4 This is the front view of the bracket of this utility model;

[0018] Figure 5 This is the main view of the bushing of this utility model;

[0019] Figure 6 This is a perspective view of the support arm of this utility model.

[0020] The component names corresponding to the various reference numerals in the diagram are as follows:

[0021] 1. Bracket; 11. Bracket boss; 12. Bracket hole; 13. First mounting hole of bracket; 2. Bushing; 21. Inner tube; 22. Rubber; 23. Outer tube; 24. Positioning hole of inner tube; 25. Inner hole of inner tube; 26. Assembly guide A; 3. Support arm; 31. Support arm boss; 32. First mounting hole of support arm; 33. Second mounting hole of support arm; 34. Assembly guide B. Detailed Implementation

[0022] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. This embodiment is based on the technical solution of the present invention and provides detailed implementation methods and specific operating procedures; however, the scope of protection of the present invention is not limited to the following embodiments.

[0023] refer to Figure 1 , 2 As shown, this application discloses a left suspension assembly for a motor, including a bracket 1, a bushing 2, and a support arm 3. Both the bracket 1 and the support arm 3 are made of aluminum alloy. The center of the bracket 1 is hollow. The bushing 2 is pressed into the hollow part of the bracket 1 after its diameter is reduced. The side of the bushing 2 away from the bracket 1 is connected to the support arm 3.

[0024] refer to Figure 3 , 4 As shown, a bracket hole 12 is provided at the center of the bottom of the bracket 1, and multiple bracket protrusions 11 are provided around the bracket hole 12. The bracket protrusions 11 are located between the bracket 1 and the bushing 2. When the vehicle is static or under low torque, the two bracket protrusions 11 of the bracket 1 will not contact the inner tube 21 of the bushing 2. During rapid acceleration or high-speed driving of the vehicle, the large torque of the motor is transmitted to the inner tube 21 through the support arm 3. At this time, the two bracket protrusions 11 can suppress the torsion of the inner tube 21, thereby achieving the anti-torsion function, improving the comfort of the passengers in the vehicle, and at the same time reducing the damage caused by the large torque to the suspension.

[0025] The outermost two ends of the bracket 1 are provided with bracket first mounting holes 13. The bracket 1 is connected to the vehicle body through the bracket first mounting holes 13, and the bracket first mounting holes 13 are connected to the vehicle body by bolts.

[0026] refer to Figure 5 , 6 As shown, the bushing 2 includes an inner tube 21, and a rubber 22 is provided on the outside of the inner tube 21. The rubber 22 is X-shaped. An outer tube 23 is sleeved on the outermost side of the inner tube 21 and the rubber 22. The inner tube 21 and the rubber 22, as well as the rubber 22 and the outer tube 23, are vulcanized together. After the bushing 2 is vulcanized, it is reduced in diameter using a diameter reduction machine. After the bushing 2 is reduced in diameter, it is pressed into the bracket 1.

[0027] The inner tube 21 has an inner tube hole 25 at its center, and the support arm 3 has a second support arm mounting hole 33 at its center. The bolt passes through the bracket hole 12, the inner tube hole 25, and the second support arm mounting hole 33 in sequence. The bolt flange face contacts the inner tube and is subjected to force, connecting the left suspension assembly of the motor to the motor.

[0028] The inner tube has an inner tube positioning hole 24 on the inner side of the inner hole 25. During press-fitting, the bushing 2 is positioned through the inner tube positioning hole 24 to ensure that the bushing 2 is pressed into the correct position.

[0029] The support arm 3 includes multiple support arm bosses 31. The support arm bosses 31 are located around the second mounting hole 33 of the support arm on the side close to the bushing 2. The shape and position of the support arm bosses 31 match the shape and position of the outer side of the inner tube 21. When the left suspension of the motor is installed by bolts, the support arm bosses 31 fit perfectly with the hexagonal inner tube 21, which can suppress the torsion of the hexagonal inner tube 21 and prevent the rubber from being stressed due to misalignment of the installation posture, thereby improving the life of the suspension.

[0030] The second mounting hole 33 of the support arm is also provided with an assembly guide B34, and the outer side of the inner tube (21) is provided with an assembly guide A (26). The support arm (3) is installed near the motor side, and the inner tube (21) is installed near the vehicle body side along with the bracket (1). When the assembly guide B (34) and the assembly guide A (26) fit together, it indicates that the relative position of the motor and the vehicle body is correct.

[0031] The outermost two ends of the support arm 3 are provided with support arm first mounting holes 32. The support arm 3 is connected to the motor through the support arm first mounting holes 32, and the support arm first mounting holes 32 are connected to the motor by bolts.

[0032] The specific working principle is as follows:

[0033] The two bracket bosses 11 of bracket 1 will not contact the inner tube 21 of bushing 2. During rapid acceleration or high-speed driving of the vehicle, the large torque of the motor is transmitted to the inner tube 21 through the support arm 3. At this time, the two bracket bosses 11 can suppress the torsion of the inner tube 21, thereby achieving the anti-torsion effect, improving the comfort of the passengers in the vehicle, and at the same time reducing the damage to the suspension caused by the large torque.

[0034] The shape and position of the support arm boss 31 match the shape and position of the outer side of the inner tube 21. When the left motor mount is installed by bolts, the support arm boss 31 fits perfectly with the hexagonal inner tube 21, which can suppress the torsion of the hexagonal inner tube 21 and prevent the rubber from being stressed due to misalignment of the installation posture, thereby improving the life of the mount.

[0035] The outermost two ends of the bracket 1 are provided with bracket first mounting holes 13, which are connected to the vehicle body by bolts.

[0036] The outermost two ends of the support arm 3 are provided with the first mounting hole 32 of the support arm, and the motor is connected to the first mounting hole 32 of the support arm by bolts.

[0037] The beneficial effects are:

[0038] This utility model discloses a left-side motor mounting assembly, which has the advantages of being lightweight, simple in structure, easy to install, having an anti-torsion core, and strong anti-torsion capability. It is suitable for the installation and use of electric vehicle motors connected to the vehicle body.

[0039] It should be noted that the terms "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. "A plurality of" means two or more. "Installed," "connected," and "joined" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection.

[0040] The above description is merely a preferred embodiment of this utility model and is not intended to limit this utility model in any form or substance. It should be noted that those skilled in the art can make various improvements and additions without departing from this utility model, and these improvements and additions should also be considered within the protection scope of this utility model. Any modifications, alterations, and equivalent changes made by those skilled in the art without departing from the spirit and scope of this utility model using the disclosed technical content are equivalent embodiments of this utility model. Furthermore, any modifications, alterations, and evolutions made to the above embodiments based on the essential technology of this utility model are still within the scope of the technical solution of this utility model.

Claims

1. A left-side motor mounting assembly, characterized in that, Includes a bracket (1), the center of which is hollow, and a bushing (2) is located in the hollow part of the bracket (1). The side of the bushing (2) away from the bracket (1) is connected to the support arm (3). The bottom of the bracket (1) is provided with multiple bracket bosses (11) on the side near the bushing (2). The bushing (2) includes an inner tube (21). The side of the support arm (3) near the bushing (2) is provided with multiple support arm bosses (31). The shape and position of the support arm bosses (31) match the shape and position of the outer side of the inner tube (21). During assembly, the support arm bosses (31) fit against the outer side of the hexagonal inner tube (21).

2. The left motor mount assembly according to claim 1, characterized in that, The bracket (1) has a bracket hole (12) at the bottom center and the bracket boss (11) is located near the bracket hole (12).

3. The motor left suspension assembly according to claim 2, characterized in that, The support arm (3) has a second mounting hole (33) at its center, and the support arm boss (31) is located near the second mounting hole (33).

4. The motor left suspension assembly according to claim 3, characterized in that, The inner tube (21) has an inner hole (25) at its center. The bolt passes through the bracket hole (12) and the inner hole (25) and the second mounting hole (33) of the support arm in sequence. The bolt flange face contacts the inner tube (21) and is subjected to force, connecting the left suspension assembly of the motor to the motor.

5. The left motor mount assembly according to claim 1, characterized in that, The inner tube (21) is provided with rubber (22) on the outside, and the outermost part of the inner tube (21) and rubber (22) is fitted with an outer tube (23).

6. The motor left suspension assembly according to claim 4, characterized in that, The inner tube is provided with an inner tube positioning hole (24) on the inner side of the inner hole (25).

7. The motor left suspension assembly according to claim 3, characterized in that, The second mounting hole (33) of the support arm is surrounded by an assembly guide B (34), and the outer side of the inner tube (21) is provided with an assembly guide A (26). The support arm (3) is located near the motor side, and the inner tube (21) is located near the vehicle body side along with the bracket (1). When the assembly guide B (34) and the assembly guide A (26) fit together, the relative positions of the motor and the vehicle body are correct.

8. The motor left suspension assembly according to claim 1, characterized in that, The bracket (1) has first mounting holes (13) at both outermost ends, and the bracket (1) is connected to the vehicle body through the first mounting holes (13).

9. The left motor mount assembly according to claim 1, characterized in that, The outermost two ends of the support arm (3) are provided with support arm first mounting holes (32), and the support arm (3) is connected to the motor through the support arm first mounting holes (32).

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