A shock absorption device for electric vehicle motors

Abstract

This utility model relates to the field of motor accessories technology, specifically a shock absorption device for an electric vehicle motor. It includes a mounting platform, a placement platform on top of the mounting platform, a shock absorption and buffer mechanism, a mounting mechanism, and a clamping plate. The shock absorption and buffer mechanism is located at the bottom of the mounting platform; the mounting mechanism is located at the top of the mounting platform; and the clamping plate is rotatably mounted on the mounting mechanism. Through the mounting mechanism, rotating the threaded rod drives the clamping plates on both sides of the motor to move synchronously. When the clamping plates contact the motor, they conform to the shape of the top surface. At this time, the clamping plates drive the sliding shaft to move to the appropriate position, and the pin, under the action of the spring, engages with the sliding shaft to fix it, thereby providing stable clamping of the motor from all directions. This avoids excessive force on one side of the motor, which could lead to deformation of the motor casing or loosening of internal components after long-term use. The conforming design can evenly distribute the impact force across the entire clamping surface, reducing the risk of single-point damage.

Description

Technical Field

[0001] This utility model relates to the field of motor accessories technology, and in particular to a shock absorption device for electric vehicle motors. Background Technology

[0002] Electric vehicle motors generate vibration and noise during operation, affecting driving comfort, vehicle durability, and motor performance. The function of motor vibration damping devices is to effectively isolate, absorb, and buffer motor vibration, improving the overall vehicle's NVH (noise, vibration, and harshness) performance, while also protecting the motor and related components and extending their service life.

[0003] Chinese Patent No. CN220358943U discloses a shock-absorbing device for an electric vehicle motor, including a fixing plate slidably connected to the inside of a slot. The slot is located in the middle of the top wall of a mounting block, and through holes are provided on both the front and rear sides of the left and right side walls of the slot. This invention converts lateral vibrations into the elastic potential energy of the second spring under the action of a crossbar and a second spring, thereby reducing the horizontal lateral vibration of the motor. The front-rear vibration of the vehicle drive motor can be partially absorbed by setting a sponge pad, thereby reducing the horizontal vertical vibration of the motor. Finally, by converting the vertical vibration of the motor into the elastic potential energy of the first spring, the vertical vibration of the motor is reduced. This weakens the vibration in all directions when the motor is working, reduces wear during motor operation, and improves the service life of the motor.

[0004] However, the aforementioned publicly available solutions have the following shortcomings: existing electric vehicle motor shock absorbers cannot be stably installed according to the shape and model of the motor, resulting in gaps between the motor and the shock absorber, which leads to poor shock absorption. At the same time, the shock absorption process cannot fully absorb the impact force of the vibration, further reducing the shock absorption effect. Utility Model Content

[0005] The purpose of this invention is to address the problem in the prior art that it is impossible to clamp the motor according to its shape and model and to fully absorb the impact force generated by vibration, and to propose a vibration damping device for electric vehicle motors.

[0006] The technical solution of this utility model is as follows: an electric vehicle motor shock absorption device, comprising a mounting platform and a placement platform disposed on top of the mounting platform; further comprising:

[0007] The shock absorption and buffer mechanism is located at the bottom of the mounting platform and is used to reduce the vibration caused by the motor when the motor is working.

[0008] The mounting mechanism, located on the top of the mounting platform, is used for omnidirectional adaptive clamping and mounting of motors of different models.

[0009] The clamping plate is rotatably mounted on the mounting mechanism and is symmetrically arranged about the mounting mechanism. The clamping plate has a second sliding groove, and a sliding block is slidably mounted on the inner side of the second sliding groove. A sliding shaft is rotatably mounted on the side of the sliding block away from the clamping plate. The sliding shaft has positioning holes, and multiple positioning holes are equidistantly arranged on the sliding shaft. When the mounting mechanism is used for installation, it drives the clamping plate to move so that the clamping plate is attached to the motor for stable installation. During the attachment process, the sliding shaft moves on the mounting mechanism. After installation, the position of the sliding shaft is fixed through the positioning holes.

[0010] Preferably, the mounting mechanism includes a clamping component and a bonding component;

[0011] The clamping assembly is located on the top of the mounting platform and is used to simultaneously move the left and right bonding assemblies to clamp the motor.

[0012] The bonding component is set on the clamping component and is used to make the clamping plate bond to the outside of the motor for stable clamping according to the model and shape of the motor.

[0013] Preferably, the clamping assembly includes a threaded block, a threaded rod, a connecting plate, and a rotating rod;

[0014] A threaded block is located on the top of the mounting platform, a threaded rod is threaded inside the threaded block, a connecting plate is located at the end of the threaded rod, a rotating rod is rotatably located on the side of the connecting plate, and a sliding rod is rotatably located at the end of the rotating rod away from the connecting plate. A sliding groove is provided on the mounting platform.

[0015] Preferably, the bonding assembly includes a connecting block, a fixing plate, a fixing block, and a pin;

[0016] The connecting block is located on the side of the sliding rod, and the outer side of the connecting block is rotatably connected to the end of the clamping plate. The fixing plate is located on the side of the sliding rod away from the connecting block, and the fixing block is located on the side of the fixing plate. The pin is slidably located inside the fixing block, and the end of the pin is provided with a pull rod. The outer side of the pin is provided with a spring.

[0017] Preferably, the shock absorption mechanism includes a connecting plate, a connecting shaft, a spring, and a hydraulic shock absorption assembly;

[0018] The connecting plate is located at the bottom of the mounting platform, the connecting shaft is located at the bottom of the connecting plate, and the spring is located on the outside of the connecting shaft.

[0019] The hydraulic damping assembly is located at the bottom of the connecting shaft and is used to dissipate the vibration energy generated when the motor is working by squeezing the fluid.

[0020] Preferably, the hydraulic buffer assembly includes a piston plate, a reservoir, and a return oil pipe;

[0021] The piston plate is located at the end of the connecting shaft away from the front cover body. The liquid storage box is slidably located on the outside of the piston plate. The oil return pipe is located on the inside of the liquid storage box. The piston plate is provided with a mounting hole. The inside of the mounting hole and the outside of the oil return pipe are slidably connected. A spring is provided on the side of the piston plate away from the connecting shaft. The liquid inlet pipe is located on the inside of the liquid storage box. A buffer plate is provided at the bottom of the liquid storage box.

[0022] Compared with the prior art, the present invention has the following beneficial technical effects:

[0023] 1. Through the installation mechanism, rotating the threaded rod drives the clamping plates on both sides of the motor to move synchronously. When the clamping plates contact the motor, they fit together according to the shape of the top plate. At this time, the clamping plates drive the sliding shaft to the appropriate position. Under the action of the spring, the pin is locked into the sliding shaft to fix the sliding shaft, thereby providing stable clamping of the motor from all directions. This can avoid excessive force on one side of the motor, which can cause local stress concentration and lead to deformation of the motor shell or loosening of internal components after long-term use. The fitting design can evenly distribute the impact force to the entire clamping surface, reduce the risk of single-point damage, eliminate gaps, avoid resonance, ensure that the motor operates in a stable environment, extend its service life, and limit the axial displacement of the motor to avoid gear misalignment or wear of the transmission shaft caused by axial movement.

[0024] 2. Through the setting of the shock absorption and buffer mechanism, when the motor vibrates, it drives the mounting platform to move. The mounting platform squeezes the piston plate, causing the internal hydraulic oil to flow. The hydraulic oil moves in the inlet and return pipes of the reservoir, and through its fluidity and compressibility, it converts vibration energy into heat energy and consumes it. By controlling the speed of the hydraulic oil flowing through the small hole, the rebound speed of the spring can be precisely controlled, thereby controlling the vibration frequency of the vehicle. At the same time, it can absorb and disperse collision energy, reducing the direct impact on the motor. In the event of an impact, the buffer plate can contact the impact first and absorb the impact force, effectively protecting the motor. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of one embodiment of the present utility model;

[0026] Figure 2 This is a structural diagram of the installation mechanism;

[0027] Figure 3 for Figure 2 Enlarged diagram of A in the middle;

[0028] Figure 4 This is a schematic diagram of the shock absorption and buffer mechanism;

[0029] Figure 5 This is a schematic diagram of the internal structure of the shock absorption and buffer mechanism.

[0030] Reference numerals: 1. Mounting platform; 2. Placement platform; 301. Threaded block; 302. Threaded rod; 303. Connecting plate; 304. Rotating rod; 305. Sliding rod; 306. Slide groove one; 307. Connecting block; 308. Clamping plate; 309. Slide groove two; 310. Sliding block; 311. Sliding shaft; 312. Fixing plate; 313. Fixing block; 314. Pin; 315. Spring three; 316. Pull rod; 401. Connecting shaft; 402. Piston plate; 403. Liquid storage box; 404. Buffer plate; 405. Connecting disc; 406. Oil return pipe; 407. Mounting hole; 408. Liquid inlet pipe; 409. Spring two; 410. Spring one. Detailed Implementation

[0031] Example 1

[0032] like Figures 1-3 As shown, the electric vehicle motor shock absorption device proposed in this utility model includes a mounting platform 1, a placement platform 2 disposed on the top of the mounting platform 1, a shock absorption and buffer mechanism, a mounting mechanism, and a clamping plate 308.

[0033] The shock absorption and buffer mechanism is located at the bottom of the mounting platform 1 to reduce the vibration caused by the motor when the motor is working;

[0034] The mounting mechanism is located on the top of the mounting platform 1 and is used for all-round adaptive clamping and mounting of motors of different models.

[0035] The clamping plate 308 is rotatably mounted on the mounting mechanism. The clamping plate 308 is symmetrically arranged about the mounting mechanism. The clamping plate 308 is provided with a second sliding groove 309. A sliding block 310 is slidably mounted on the inner side of the second sliding groove 309. A sliding shaft 311 is rotatably mounted on the side of the sliding block 310 away from the clamping plate 308. The sliding shaft 311 is provided with positioning holes. Multiple positioning holes are equidistantly arranged on the sliding shaft 311. When the mounting mechanism is installed, it drives the clamping plate 308 to move so that the clamping plate 308 is attached to the motor for stable installation. During the attachment process, the sliding shaft 311 moves on the mounting mechanism. After installation, the position of the sliding shaft 311 is fixed through the positioning holes.

[0036] The mounting mechanism includes a clamping assembly and a bonding assembly. The clamping assembly is located on the top of the mounting platform 1 and is used to simultaneously move the left and right bonding assemblies to clamp the motor. The bonding assembly is located on the clamping assembly and is used to ensure that the clamping plate 308 is bonded to the outside of the motor for stable clamping according to the motor's model and shape. The clamping assembly includes a threaded block 301, a threaded rod 302, a connecting plate 303, and a rotating rod 304. The threaded block 301 is located on the top of the mounting platform 1. The threaded rod 302 is threaded inside the threaded block 301. The connecting plate 303 is located at the end of the threaded rod 302. A power rod is located at the end of the threaded rod 302 away from the connecting plate 303. Rotating the power rod can drive the threaded rod 302 to rotate. The rotating rod 304 is rotatably located on the side of the connecting plate 303. A sliding rod 305 is rotatably provided, and a sliding groove 306 is provided on the mounting platform 1. There are two sliding grooves 306 symmetrically arranged about the mounting platform 1. The bottom of the sliding rod 305 is slidably connected to the sliding groove. When the threaded rod 302 rotates, it moves under the action of the threaded block 301. The threaded rod 302 drives the connecting plate 303 to move. The connecting plate 303 simultaneously drives the two rotating rods 304 to rotate, so that the sliding rod 305 slides in the sliding groove 306 until the clamping plate 308 is pressed against the motor for clamping, and then the rotation stops. The bonding assembly includes a connecting block 307, a fixing plate 312, a fixing block 313, and a pin 314. The connecting block 307 is disposed on the side of the sliding rod 305, and the outer side of the connecting block 307 is rotatably connected to the end of the clamping plate 308. Two clamping plates 308 are symmetrically arranged about the connecting block 307. The fixing plate 312 is disposed on the side of the sliding rod 305 away from the connecting block 307. The fixing block 313 is disposed on the side of the fixing plate 312. The pin 314 is slidably disposed within the fixing block 313. A pull rod 316 is provided at the end of the pin 314, and the pull rod 316 is used to connect the two pins 314. 4. Simultaneously, the two pins 314 move together. A spring 315 is provided on the outside of the pin 314. The pin 314 is pulled by the pull rod 316 to disengage it from the positioning hole. At this time, the sliding shaft 311 can move on the mounting plate. When the clamping plate 308 contacts the motor, the clamping plate 308 rotates according to the shape of the motor, thereby driving the sliding shaft 311 to slide on the mounting plate. When the clamping plate 308 is attached to the motor, the pull rod 316 is released. Under the action of the spring 315, the pull rod 316 is locked into the positioning hole at this position for fixation, thereby strengthening the clamping effect of the clamping plate 308 on the motor.

[0037] Example 2

[0038] like Figures 4-5 As shown, this utility model proposes an electric vehicle motor shock absorption device. Compared with Embodiment 1, this embodiment details the structure of the shock absorption and buffer mechanism.

[0039] The shock absorption mechanism includes a connecting plate 405, a connecting shaft 401, a spring 410, and a hydraulic shock absorption assembly. The connecting plate 405 is located at the bottom of the mounting platform 1, and the connecting shaft 401 is located at the bottom of the connecting plate 405. The connecting plate 405 is located at the four corners of the mounting platform 1. The spring 410 is located on the outside of the connecting shaft 401, and the top of the spring 410 is connected to the bottom of the connecting plate 405. The hydraulic shock absorption assembly is located at the bottom of the connecting shaft 401 and is used to dissipate the vibration energy generated when the motor is working by squeezing the liquid. The hydraulic buffer assembly includes a piston plate 402, a reservoir 403, and a return oil pipe 406. The piston plate 402 is located at the end of the connecting shaft 401 away from the front cover body. The reservoir 403 is slidably located on the outside of the piston plate 402. The return oil pipe 406 is located on the inside of the reservoir 403. The piston plate 402 has a mounting hole 407, and the inside of the mounting hole 407 is slidably connected to the outside of the return oil pipe 406. A spring 409 is located on the side of the piston plate 402 away from the connecting shaft 401. The inlet pipe 408 is... The liquid inlet pipe 408 is symmetrically arranged with two pipes 408 inside the liquid storage box 403. The liquid inlet pipe 408 has three inlet ports. The bottom of the liquid storage box 403 is provided with a buffer plate 404. There are three buffer plates 404, which are fixedly connected to each other. If the car is hit, the impact force will be directly applied to the buffer plate 404. When the buffer plate 404 cannot withstand the impact, it will break. Only after all three buffer plates 404 break will they hit the motor, thus effectively protecting the motor.

[0040] In summary, when using this utility model, the motor is placed in the predetermined position, and then the power rod is rotated to drive the threaded rod 302 to rotate. When the threaded rod 302 rotates, it moves under the action of the threaded block 301. The threaded rod 302 drives the connecting plate 303 to move, and the connecting plate 303 simultaneously drives the two rotating rods 304 to rotate, thereby causing the sliding rod 305 to slide in the sliding groove 306 and drive the clamping plate 308 to move. When the clamping plate 308 contacts the outside of the motor, the pull rod 316 pulls the pin 314 to disengage it from the positioning hole. When the clamping plate 308 is in contact with the outside of the motor, the sliding shaft 311 moves on the mounting plate. When the clamping plate 308 is completely in contact with the motor, the release... Pull rod 316 is opened, and under the action of spring 315, pull rod 316 is locked into the positioning hole at this position for fixation. At this time, the rotation of the power rod is stopped, and then the motor is started. The motor generates vibration when it is working, which drives the mounting platform 1 to vibrate through the placement platform 2. When the mounting platform 1 vibrates, it drives the piston plate 402 to move through the connecting plate 405, thereby squeezing the hydraulic oil in the reservoir 403, causing the hydraulic oil to flow and compress, thereby absorbing the vibration energy and damping the shock. When the car is hit, the impact force is directly applied to the buffer plate 404. The buffer plate 404 breaks when it cannot withstand the impact. Only after all three buffer plates 404 break will they hit the motor, thus effectively protecting the motor.

[0041] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An electric vehicle motor damping device, comprising a mounting table (1) and a placing table (2) arranged on the top of the mounting table (1); characterized in that, Also includes: The shock absorption and buffer mechanism is located at the bottom of the mounting platform (1) and is used to reduce the vibration caused by the motor when the motor is working. The installation mechanism is located on the top of the mounting platform (1) and is used for all-round adaptive clamping and installation of motors of different models. The clamping plate (308) is rotatably mounted on the mounting mechanism. The clamping plate (308) is symmetrically arranged about the mounting mechanism. The clamping plate (308) is provided with a second sliding groove (309). A sliding block (310) is slidably arranged on the inner side of the second sliding groove (309). A sliding shaft (311) is rotatably arranged on the side of the sliding block (310) away from the clamping plate (308). A positioning hole is provided on the sliding shaft (311). Multiple positioning holes are equidistantly arranged on the sliding shaft (311). When the mounting mechanism is installed, it drives the clamping plate (308) to move so that the clamping plate (308) fits against the motor for stable installation. During the fitting process, the sliding shaft (311) moves on the mounting mechanism. After the installation is completed, the position of the sliding shaft (311) is fixed through the positioning hole.

2. The electric vehicle motor damping device of claim 1, wherein, The mounting mechanism includes clamping components and bonding components; The clamping assembly is located on the top of the mounting platform (1) and is used to simultaneously move the left and right bonding assemblies to clamp the motor. The bonding component is disposed on the clamping component and is used to make the clamping plate (308) bond to the outside of the motor for stable clamping according to the model and shape of the motor.

3. The electric vehicle motor damping device of claim 2, wherein, The clamping assembly includes a threaded block (301), a threaded rod (302), a connecting plate (303), and a rotating rod (304); A threaded block (301) is set on the top of the mounting platform (1), a threaded rod (302) is threaded on the inner side of the threaded block (301), a connecting plate (303) is set at the end of the threaded rod (302), a rotating rod (304) is rotatably set on the side of the connecting plate (303), and a sliding rod (305) is rotatably set at the end of the rotating rod (304) away from the connecting plate (303). A sliding groove (306) is provided on the mounting platform (1).

4. The electric vehicle motor damping device of claim 3, wherein, The bonding assembly includes a connecting block (307), a fixing plate (312), a fixing block (313), and a pin (314); A connecting block (307) is disposed on the side of the sliding rod (305). The outer side of the connecting block (307) and the end of the clamping plate (308) are rotatably connected. A fixing plate (312) is disposed on the side of the sliding rod (305) away from the connecting block (307). A fixing block (313) is disposed on the side of the fixing plate (312). A pin (314) is slidably disposed in the fixing block (313). A pull rod (316) is disposed at the end of the pin (314). A spring (315) is disposed on the outer side of the pin (314).

5. The electric vehicle motor damping device of claim 1, wherein The shock absorption mechanism includes a connecting plate (405), a connecting shaft (401), a spring (410), and a hydraulic shock absorption assembly; The connecting plate (405) is located at the bottom of the mounting platform (1), the connecting shaft (401) is located at the bottom of the connecting plate (405), and the spring (410) is located on the outside of the connecting shaft (401). The hydraulic damping assembly is located at the bottom of the connecting shaft (401) and is used to dissipate the vibration energy generated when the motor is working by squeezing the liquid.

6. The electric vehicle motor damping device of claim 5, wherein, The hydraulic buffer assembly includes a piston plate (402), a reservoir (403), and a return oil pipe (406); A piston plate (402) is located at the end of the connecting shaft (401) away from the front cover body. A liquid storage box (403) is slidably located on the outside of the piston plate (402). A return oil pipe (406) is located on the inside of the liquid storage box (403). A mounting hole (407) is provided on the piston plate (402). The inside of the mounting hole (407) and the outside of the return oil pipe (406) are slidably connected. A spring (409) is provided on the side of the piston plate (402) away from the connecting shaft (401). A liquid inlet pipe (408) is located on the inside of the liquid storage box (403). A buffer plate (404) is provided at the bottom of the liquid storage box (403).

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