Tie rod assembly and vehicle

Abstract

The tie rod assembly is applied to the vehicle, the vehicle comprises a motor, a speed reducer and a vehicle body, the motor and the speed reducer are arranged on the vehicle body, the motor is connected to the speed reducer, the tie rod assembly comprises a tie rod and a vibration absorber, the tie rod is arranged on the vehicle body, and the tie rod is provided with a first end and a second end; the first end is connected to the speed reducer, and the vibration absorber is connected to the tie rod and located at the first end of the tie rod. The vibration absorber is arranged and located at the end, connected with the speed reducer, of the tie rod, and when the motor and the speed reducer resonate to generate noise, the resonance noise can be absorbed by the vibration absorber before being transmitted to the tie rod, so that the noise reduction purpose is achieved, the NVH performance of an automobile is guaranteed, the structure and the technology of the vibration absorber are simple, the production and manufacturing cost is low, and the practicability is high. The transmission of resonance noise can be optimized without changing the motor and the speed reducer, and the cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle suspension systems, and in particular to a tie rod assembly and a vehicle. Background Art

[0002] In recent years, with the rapid development of new energy vehicles and the continuous increase in sales of pure electric vehicles, customers and automobile manufacturers are paying more and more attention to the overall performance of pure electric vehicles, especially the noise, vibration and harshness (full name in English: Noise, Vibration, Harshness, abbreviated as: NVH) performance that customers can feel immediately when driving.

[0003] In the prior art, when some cars are working, there is a problem that the motor and the main reducer will resonate at a certain frequency to generate noise. When the noise is transmitted to the tie rod, the tie rod will also cause resonance under the noise of this frequency, and then be transmitted to the car body, thereby affecting the NVH performance of the car. Most car manufacturers will avoid modal coupling by improving the internal structure of the motor, or improve the gear processing accuracy and shaping of the reducer, etc., so as to reduce the generation of noise and avoid resonance. However, changing the structure of the motor and the main reducer is a complicated process, and the design verification time is long and the cost is high. Utility Model Content

[0004] In order to overcome the problems existing in the above-mentioned prior art, the main purpose of the present application is to provide a tie rod assembly and a vehicle that can reduce the generation of noise and reduce the cost.

[0005] In order to achieve the above objectives, this application specifically adopts the following technical solutions:

[0006] A tie rod assembly is applied to a vehicle, the vehicle comprising a motor, a reducer and a vehicle body, the motor and the reducer are respectively arranged on the vehicle body, and the motor is connected to the reducer, the tie rod assembly comprising:

[0007] A tie rod, the tie rod is arranged on the vehicle body, and the tie rod has a first end and a second end, and the first end is connected to the reducer;

[0008] A vibration absorber is connected to the tie rod and is located at the first end of the tie rod.

[0009] In some embodiments, the vibration absorber is detachably connected to the tie rod.

[0010] In some embodiments, the vibration absorber includes a fixing frame, a vibration absorbing member and a mass block, the fixing frame is detachably connected to the tie rod, the vibration absorbing member is connected to the fixing frame, and the mass block is connected to the vibration absorbing member.

[0011] In some embodiments, the fixing frame includes a base plate, an inner frame and a limiting member, the base plate is detachably connected to the transverse tie rod, one end of the inner frame is connected to the base plate, the other end of the inner frame is connected to the limiting member, and the vibration absorbing member is mounted on the inner frame and is located between the base plate and the limiting member.

[0012] In some embodiments, the vibration absorbing member is connected to the inner frame by vulcanization.

[0013] In some embodiments, the vibration absorbing member is provided with a recessed portion, and the recessed portion is located at one end of the vibration absorbing member close to the bottom plate.

[0014] In some embodiments, the inner frame is connected to the base plate by welding, and the inner frame is detachably connected to the limiting member.

[0015] In some embodiments, the vibration absorbing member is provided with a receiving cavity, and the mass block is disposed in the receiving cavity.

[0016] In some embodiments, there are a plurality of the accommodating cavities, and the plurality of the accommodating cavities are evenly distributed along the circumference of the vibration absorbing member. There are a plurality of the mass blocks, and each of the mass blocks is disposed in each of the accommodating cavities.

[0017] A vehicle comprises a motor, a reducer, a vehicle body, a wheel assembly and a tie rod assembly as described in any one of the above, wherein the motor, the reducer, the wheel assembly and the tie rod assembly are respectively arranged on the vehicle body, the reducer is connected to the motor, and the tie rod assembly is respectively connected to the reducer and the wheel assembly.

[0018] The present application discloses a tie rod assembly, which is applied to a vehicle. The vehicle includes a motor, a reducer and a vehicle body. The motor and the reducer are respectively arranged on the vehicle body, and the motor is connected to the reducer. The tie rod assembly includes a tie rod and a vibration absorber. The tie rod is arranged on the vehicle body, and the tie rod has a first end and a second end, and the first end is connected to the reducer. The vibration absorber is connected to the tie rod, and the vibration absorber is located at the first end of the tie rod. The present application is provided with a vibration absorber, and the vibration absorber is located at one end of the tie rod connected to the reducer. When the motor and the reducer resonate to generate noise, the resonance noise will be absorbed by the vibration absorber before being transmitted to the tie rod, thereby achieving the purpose of noise reduction and ensuring the NVH performance of the vehicle. The structure and process of the vibration absorber are relatively simple, and the production and manufacturing cost is low, so that the transmission of the resonance noise can be optimized without changing the motor and the reducer, thereby reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1A schematic diagram of the structure of a tie rod assembly provided in an embodiment of the present application installed on a vehicle;

[0020] Figure 2 A schematic structural diagram of a cross-sectional view of a vibration absorber of a tie rod assembly provided in an embodiment of the present application;

[0021] Figure 3 A schematic diagram of the structure of a top view of a vibration absorber of a tie rod assembly provided in an embodiment of the present application.

[0022] Reference numerals:

[0023] 1. Tie rod; 11. First end; 12. Second end; 2. Vibration absorber; 21. Fixing frame; 210. Bottom plate; 211. Inner frame; 211a. Opening; 212. Stopper; 213. Connector; 22. Vibration absorber; 220. Accommodating cavity; 221. Recessed portion; 23. Mass block; 3. Mounting bracket; 100. Tie rod assembly; 200. Motor; 300. Reducer. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0025] In the description of this application, unless otherwise clearly specified and limited, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance; unless otherwise specified or explained, the term "multiple" refers to two or more, and the term "multiple" refers to two or more; the terms "connected", "fixed", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, an integral connection, or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0026] In the description of this specification, it should be understood that the directional words such as "upper" and "lower" described in the embodiments of the present application are described at the angles shown in the accompanying drawings and should not be understood as limiting the embodiments of the present application. In addition, in the context, it should also be understood that when it is mentioned that an element is connected to another element "upper" or "lower", it can not only be directly connected to another element "upper" or "lower", but also indirectly connected to another element "upper" or "lower" through an intermediate element.

[0027] Reference Figure 1 and Figure 2 As shown, Figure 1This is a schematic diagram of the structure of the tie rod assembly provided in an embodiment of the present application installed on a vehicle. Figure 2 A schematic structural diagram of a cross-sectional view of a vibration absorber of a tie rod assembly provided in an embodiment of the present application. This embodiment discloses a tie rod assembly 100, which is applied to a vehicle, wherein the vehicle comprises a motor 200, a reducer 300 and a vehicle body, wherein the motor 200 and the reducer 300 are respectively arranged on the vehicle body, and the motor 200 is connected to the reducer 300, and the motor 200 is used to drive the reducer 300 to move. The tie rod assembly 100 comprises a tie rod 1, a mounting bracket 3 and a vibration absorber 2, wherein the tie rod 1 is arranged on the vehicle body, and the tie rod 1 has a first end 11 and a second end 12, wherein the first end 11 is connected to the reducer 300, the mounting bracket 3 is arranged on the first end 11, and the vibration absorber 2 is arranged on the mounting bracket 3.

[0028] This embodiment is provided with a vibration absorber 2, and the vibration absorber 2 is located at one end of the tie rod 1 connected to the reducer 300. When the motor 200 and the reducer 300 resonate to generate noise, the resonance noise will be absorbed by the vibration absorber 2 before being transmitted to the tie rod 1, thereby achieving the purpose of noise reduction and ensuring the NVH performance of the automobile. The structure and process of the vibration absorber 2 are relatively simple, and the production cost is low, so that the transmission of the resonance noise can be optimized without changing the motor 200 and the reducer 300, thereby reducing the cost.

[0029] Reference Figure 2 and Figure 3 As shown, Figure 3 A schematic diagram of the structure of a vibration absorber of a tie rod assembly provided in an embodiment of the present application from a top view. The vibration absorber 2 includes a fixing frame 21, a vibration absorbing member 22 and a mass block 23. The fixing frame 21 includes a base plate 210, an inner frame 211, a stopper 212 and a connecting member 213. The base plate 210 is detachably connected to the mounting bracket 3. One end of the inner frame 211 is connected to the base plate 210, the other end of the inner frame 211 is provided with a first connecting hole, the stopper 212 is provided with a second connecting hole, and the connecting member 213 is respectively penetrated through the first connecting hole and the second connecting hole. The vibration absorbing member 22 is sleeved on the inner frame 211 and is located between the base plate 210 and the stopper 212. The vibration absorbing member 22 is provided with a receiving cavity 220. There are a plurality of receiving cavities 220, and the plurality of receiving cavities 220 are evenly distributed along the circumferential interval of the vibration absorbing member 22. There are a plurality of mass blocks 23, and each mass block 23 is respectively arranged in each receiving cavity 220. The bottom plate 210 and the limiting member 212 are used to limit the positions of the mass blocks 23 to prevent the mass blocks 23 from escaping from the accommodating cavity 220 during the movement of the vehicle, thereby affecting the performance of the shock absorber 2 .

[0030] In this embodiment, the vibration absorbing member 22 is made of rubber material, and the elasticity of the rubber material is used to reduce vibration, thereby effectively absorbing the vibration and noise generated by the motor 200 and the reducer 300, thereby ensuring the NVH performance of the automobile. It can be understood that in other embodiments, the vibration absorbing member 22 can also be made of other materials.

[0031] In this embodiment, the vibration absorber 22 is connected to the inner skeleton 211 by vulcanization. Vulcanization can be used for material modification. After vulcanization, the rubber has excellent elasticity, wear resistance and aging resistance, thereby improving the vibration absorbing ability of the vibration absorber 22 and increasing the service life of the vibration absorber 22.

[0032] In this embodiment, the base plate 210 is detachably connected to the tie rod 1 by bolt connection, which facilitates the maintenance and replacement of the vibration absorber 2. It can be understood that in other embodiments, the vibration absorber 2 can also be connected to the tie rod 1 by other methods.

[0033] In this embodiment, the inner frame 211 is connected to the base plate 210 by welding, which ensures the stability of the connection between the inner frame 211 and the base plate 210. It can be understood that in other embodiments, the inner frame 211 can also be connected to the base plate 210 by other means.

[0034] In this embodiment, an opening 211 a is provided at one end of the inner frame 211 close to the bottom plate 210 , thereby reducing the weight of the inner frame 211 and lowering the cost.

[0035] In this embodiment, the vibration absorbing member 22 is provided with a recessed portion 221 . The recessed portion 221 is located at one end of the vibration absorbing member 22 close to the bottom plate 210 , so as to facilitate vulcanization of the vibration absorbing member 22 to the inner frame 211 .

[0036] Reference Figure 1 As shown, based on the present embodiment, a vehicle is further disclosed, which includes a motor 200, a reducer 300, a vehicle body, a wheel assembly and a tie rod assembly 100 of any of the above embodiments, wherein the motor 200, the reducer 300, the wheel assembly and the tie rod assembly 100 are respectively arranged on the vehicle body, the reducer 300 is connected to the motor 200, and the tie rod assembly 100 is respectively connected to the reducer 300 and the wheel assembly.

[0037] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A tie rod assembly, applied to a vehicle, the vehicle comprising a motor, a reducer and a vehicle body, the motor and the reducer are respectively arranged on the vehicle body, and the motor is connected to the reducer, characterized in that: The tie rod assembly comprises: A tie rod, the tie rod is arranged on the vehicle body, and the tie rod has a first end and a second end, and the first end is connected to the reducer; A vibration absorber is connected to the tie rod and is located at the first end of the tie rod.

2. The tie rod assembly according to claim 1, characterized in that: The vibration absorber is detachably connected to the tie rod.

3. The tie rod assembly according to claim 2, characterized in that: The vibration absorber comprises a fixing frame, a vibration absorbing member and a mass block, wherein the fixing frame is detachably connected to the transverse tie rod, the vibration absorbing member is connected to the fixing frame, and the mass block is connected to the vibration absorbing member.

4. The tie rod assembly according to claim 3, characterized in that: The fixing frame includes a base plate, an inner frame and a limiting member, the base plate is detachably connected to the transverse tie rod, one end of the inner frame is connected to the base plate, the other end of the inner frame is connected to the limiting member, and the vibration absorbing member is sleeved on the inner frame and located between the base plate and the limiting member.

5. The tie rod assembly according to claim 4, characterized in that: The vibration absorbing member is connected to the inner frame by vulcanization.

6. The tie rod assembly according to claim 4, characterized in that: The vibration absorbing member is provided with a concave portion, and the concave portion is located at one end of the vibration absorbing member close to the bottom plate.

7. The tie rod assembly according to claim 4, characterized in that: The inner frame is connected to the bottom plate by welding, and the inner frame is detachably connected to the limiting member.

8. The tie rod assembly according to claim 3, characterized in that: The vibration absorbing member is provided with a containing cavity, and the mass block is arranged in the containing cavity.

9. The tie rod assembly according to claim 8, characterized in that: There are a plurality of the accommodating cavities, which are evenly distributed along the circumference of the vibration absorbing member. There are a plurality of mass blocks, which are respectively arranged in each of the accommodating cavities.

10. A vehicle, characterized in that: It comprises a motor, a reducer, a vehicle body, a wheel assembly and a tie rod assembly as described in any one of claims 1 to 9, wherein the motor, the reducer, the wheel assembly and the tie rod assembly are respectively arranged on the vehicle body, the reducer is connected to the motor, and the tie rod assembly is respectively connected to the reducer and the wheel assembly.

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