Suspension bushing, suspension limiting structure and electric automobile
By setting a limiting structure between the inner and outer tubes in the suspension bushing, their relative movement is strictly restricted, which solves the problem of elastomer damage under torsional overload and improves the durability of the elastomer.
Patent Information
- Application Number
- CN202423319968.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The suspension limiting structure is prone to irreversible damage to the elastomer under torsional overload, which affects its service life.
A first limiting structure and a second limiting structure are provided in the suspension bushing between the inner tube and the outer tube to reduce the tensile damage of the elastomer by rigidly restricting the relative movement of the inner tube and the outer tube.
It improves the durability of the elastomer, reduces damage to the suspension limit structure under torque overload, and extends its service life.
Smart Images
Figure CN223631356U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of vehicles, in particular to a suspension bushing, a suspension limiting structure and an electric vehicle. BACKGROUND
[0002] An electric vehicle is usually provided with a suspension limiting structure. The suspension limiting structure is used to limit excessive displacement caused by vibration or impact in the electric vehicle. In the suspension limiting structure, an elastic body is usually arranged. In the related technology, the suspension limiting structure is prone to irreversible damage to the elastic body under torsional overload, which affects the service life of the suspension limiting structure. CONTENT OF THE UTILITY MODEL
[0003] In view of the above problems, the present application provides a suspension bushing, a suspension limiting structure and an electric vehicle, which can reduce the damage of the suspension limiting structure to the elastic body under torsional overload and improve the durability of the elastic body.
[0004] To solve the above technical problems, one technical scheme adopted by the present application is to provide a suspension bushing. The suspension bushing comprises an inner tube, an outer tube and an elastic body. An accommodation space is formed in the inner tube. The inner tube is at least partially arranged in the accommodation space. The elastic body is arranged between the inner tube and the outer tube to connect the inner tube and the outer tube. The outer wall of the inner tube is provided with a first limiting structure, and the inner wall of the outer tube is provided with a second limiting structure matched with the first limiting structure to limit the relative movement of the inner tube and the outer tube.
[0005] When the suspension bushing is overloaded, the first limiting structure and the second limiting structure can interact to hard-limit the relative movement of the inner tube and the outer tube, thereby reducing the pulling damage of the elastic body caused by the excessive relative movement of the inner tube and the outer tube under overload, and improving the durability of the elastic body.
[0006] In one possible implementation, the first limiting structure and the second limiting structure are both protrusions, and the first limiting structure and the second limiting structure are arranged in a staggered manner.
[0007] When the inner tube and the outer tube are relatively moved under overload, the protrusions abut against each other to hard-limit, thereby reducing the damage to the elastic body.
[0008] In one possible implementation, the first limiting structure and the second limiting structure are arranged in a circumferential direction to limit the circumferential relative movement of the inner tube and the outer tube.
[0009] The above can limit the relative movement of the inner tube and the outer tube in the circumferential direction.
[0010] In a possible implementation, the first limiting structure and / or the second limiting structure is multiple, and at least one first limiting structure is arranged between two adjacent second limiting structures, or at least one second limiting structure is arranged between two adjacent first limiting structures.
[0011] The first limiting structure and / or the second limiting structure is multiple, and can be limited from two directions of circumference.
[0012] In a possible implementation, the number of the second limiting structure is two, and the number of the first limiting structure is four; each second limiting structure is correspondingly provided with a first limiting structure on each side in the circumferential direction.
[0013] The limiting effect is better from two directions of circumference.
[0014] In a possible implementation, the first limiting structure and the second limiting structure are alternately arranged in the circumferential direction.
[0015] The limiting effect is good.
[0016] In a possible implementation, the elastic body has multiple first grooves recessed towards the outer tube and multiple second grooves recessed towards the inner tube, and each first limiting structure is located in each first groove, and each second limiting structure is located in each second groove.
[0017] The elastic body can sufficiently fill the gap between the inner tube and the outer tube, and the effect of absorbing and buffering vibration and impact is better.
[0018] In a possible implementation, the elastic body is a rubber body, and the rubber body is vulcanization connected with the inner tube and the outer tube.
[0019] The rubber has excellent buffering effect, and the effect of vulcanization connection of the rubber is good.
[0020] In a possible implementation, the cross-sectional shape of the second limiting structure in the circumferential direction is approximately trapezoidal, and the size of the second limiting structure gradually decreases in the direction towards the axis.
[0021] The second limiting structure can have a larger abutting area when the second limiting structure is abutted with the first limiting structure.
[0022] To solve the above technical problems, another technical solution adopted by the present application is to provide a suspension limiting structure, which comprises a first support, a suspension bushing and a second support. The first support is used for connecting a power device; the outer tube of the suspension bushing is connected to the first support, and the suspension bushing is the suspension bushing described above; the second support is connected to the inner tube of the suspension bushing, and the second support is used for being connected to an electric vehicle.
[0023] The suspension limiting structure described above, when the torque of the suspension bushing is overloaded, the first limiting structure and the second limiting structure can hard limit the relative movement of the inner tube and the outer tube, reducing the damage to the elastic body caused by the excessive relative movement of the inner tube and the outer tube under the overload of the suspension bushing, and improving the durability of the elastic body.
[0024] To solve the above technical problems, another technical solution adopted by the present application is to provide an electric vehicle, which comprises the suspension bushing described above, or the electric vehicle comprises the suspension limiting structure described above.
[0025] The electric vehicle described above, when the torque of the suspension bushing is overloaded, the first limiting structure and the second limiting structure can hard limit the relative movement of the inner tube and the outer tube, reducing the damage to the elastic body caused by the excessive relative movement of the inner tube and the outer tube under the overload of the suspension bushing, and improving the durability of the elastic body.
[0026] The above description is only a summary of the technical solutions of the present application. In order to more clearly understand the technical means of the present application, the following specific embodiments of the present application can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating any creative labor.
[0028] Figure 1 Structure diagram of the suspension bushing according to one or more embodiments;
[0029] Figure 2 For Figure 1 Structure diagram of the suspension bushing along AA;
[0030] Figure 3 For Figure 1 Explosive structure diagram of the suspension bushing;
[0031] Figure 4 ForFigure 1 Structure diagram of outer tube in suspension bushing;
[0032] Figure 5 For Figure 1 Structure diagram of inner tube in suspension bushing;
[0033] Figure 6 For Figure 1 Structure diagram of elastomer in suspension bushing;
[0034] Figure 7 Structure diagram of suspension limiting structure according to one or more embodiments;
[0035] Figure 8 For Figure 7 Structure diagram of part in suspension limiting structure;
[0036] Figure 9 For Figure 8 Structure explosion diagram of suspension limiting structure;
[0037] Figure 10 For Figure 7 Structure diagram of first support in suspension limiting structure;
[0038] Figure 11 For Figure 7 Structure diagram of second support in suspension limiting structure.
[0039] Wherein, 100, suspension bushing; 10, inner tube; 20, elastomer; 30, outer tube; 11, first limiting structure; 31, second limiting structure; 21, first groove; 22, second groove; 200, first support; 300, second support; 1000, suspension limiting structure; 23, slow-release space. DETAILED DESCRIPTION
[0040] The embodiments of the technical scheme of the present application will be described in detail below. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.
[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments of the present application, and are not intended to limit the present application; the terms "include" and "have" and any variations thereof in the specification and claims of the present application and the above description of drawings are intended to cover non-exclusive inclusion.
[0042] In the description of the embodiments of the present application, the technical terms "first", "second" and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the term "plurality" refers to two or more (including two), and similarly, "multiple groups" refers to two or more groups (including two groups), and "multiple pieces" refers to two or more pieces (including two pieces).
[0043] Reference herein to "embodiments" means that the particular features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present application. The occurrence of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily independent or alternative to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.
[0044] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases of A alone, A and B together, and B alone. In addition, the character " / " herein generally represents that the front and rear associated objects have an "or" relationship.
[0045] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.
[0046] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0047] The suspension limiting structure is easily damaged irreversibly under torsional overload, which affects the service life of the suspension limiting structure.
[0048] Based on the above considerations, in order to solve the technical problem of irreversible damage of the elastomer caused by torsional overload in the prior art, the application provides a suspension bushing, a suspension limiting structure and an electric vehicle. In the suspension bushing, the outer wall of the inner tube is provided with a first limiting structure, and the inner wall of the outer tube is provided with a second limiting structure matched with the first limiting structure, so that the above technical problems can be effectively solved.
[0049] Please refer to Figure 1 , Figure 2 and Figure 3 ; Figure 1 for the structural schematic diagram of the suspension bushing according to one or more embodiments; Figure 2 for Figure 1 the sectional structural schematic diagram of the suspension bushing along AA;
[0050] Figure 3 for Figure 1 the exploded structural schematic diagram of the suspension bushing.
[0051] In some embodiments, the suspension bushing 100 comprises an inner tube 10, an outer tube 30 and an elastomer 20. The inner tube 10 is at least partially arranged in a receiving space formed in the inner tube 30. The elastomer 20 is arranged between the inner tube 10 and the outer tube 30 to connect the inner tube 10 and the outer tube 30. The outer wall of the inner tube 10 is provided with a first limiting structure 11, and the inner wall of the outer tube 30 is provided with a second limiting structure 31 matched with the first limiting structure 11 to limit the relative movement of the inner tube 10 and the outer tube 30.
[0052] The outer tube 30 of the suspension bushing 100 is used to connect with the power device such as motor, transmission of the electric vehicle, and the inner tube 10 of the suspension bushing 100 is used to be connected on the electric vehicle so that the power device can drive the electric vehicle through the suspension bushing 100. The inner tube 10 and the outer tube 30 are connected through the elastic body 20 to release the larger vibration and impact through the elastic body 20. The inner tube 10 and the outer tube 30 are both in cylindrical shape and coaxially arranged. The outer tube 30 is sleeved on the outer wall of the inner tube 10, and the elastic body 20 is arranged between the inner wall of the outer tube 30 and the outer wall of the inner tube 10. In addition, in the embodiment, the outer tube 30 can be circumferentially movable outside the inner tube 10, and the first limiting structure 11 and the second limiting structure 31 are used to limit the circumferential relative movement of the inner tube 10 and the outer tube 30. In some other embodiments, the outer tube 30 can also be axially movable outside the inner tube 10 to limit the axial relative movement of the inner tube 10 and the outer tube 30 through the first limiting structure 11 and the second limiting structure 31. In addition, in the embodiment, the first limiting structure 11 and the second limiting structure 31 are protrusions arranged in a staggered manner. In some other embodiments, the first limiting structure 11 and the second limiting structure 31 can also be limiting pin structures, magnetically attracted limiting structures, elastic limiting structures, etc. In the embodiment, the length of the inner tube 10 in the axial direction is the same as the length of the outer tube 30 in the axial direction, and the inner tube 10 is entirely arranged in the accommodating space. In some other embodiments, the length of the inner tube 10 in the axial direction can also be different from the length of the outer tube 30 in the axial direction. When the length of the inner tube 10 in the axial direction is greater than the length of the outer tube 30 in the axial direction, the inner tube 10 is partially arranged in the accommodating space.
[0053] As described above, when the suspension bushing 100 is overloaded, the first limiting structure 11 and the second limiting structure 31 can interact with each other to hard limit the relative movement of the inner tube 10 and the outer tube 30, thereby reducing the pulling damage of the elastic body 20 caused by the excessive relative movement of the inner tube 10 and the outer tube 30 when the suspension bushing 100 is overloaded, and improving the durability of the elastic body 20.
[0054] In some embodiments, the first limiting structure 11 and the second limiting structure 31 are both protrusions, and the first limiting structure 11 and the second limiting structure 31 are arranged in a staggered manner.
[0055] In the embodiment, the protrusions are block-shaped protrusions. In some other embodiments, the protrusions can also be plate-shaped protrusions, rod-shaped protrusions, etc. In the embodiment, when the suspension bushing 100 is not overloaded, the first limiting structure 11 and the second limiting structure 31 are arranged in a staggered manner. When the suspension bushing 100 is overloaded, the inner tube 10 and the outer tube 30 move relatively, and the two protrusions abut against each other to achieve hard limiting and reduce the pulling of the elastic body 20.
[0056] Through the above, when the inner tube 10 and the outer tube 30 are relatively moved, the protrusions abut against each other to limit the movement, thereby reducing damage to the elastic body 20.
[0057] In some embodiments, the first limiting structure 11 and the second limiting structure 31 are arranged circumferentially to limit the circumferential relative movement of the inner tube 10 and the outer tube 30.
[0058] The first limiting structure 11 and the second limiting structure 31 are arranged circumferentially to limit the circumferential relative movement of the inner tube 10 and the outer tube 30. In other embodiments, the first limiting structure 11 and the second limiting structure 31 can also be arranged axially to limit the axial relative movement of the inner tube 10 and the outer tube 30.
[0059] In some embodiments, the first limiting structure 11 and / or the second limiting structure 31 are multiple, and at least one first limiting structure 11 is arranged between two adjacent second limiting structures 31, or at least one second limiting structure 31 is arranged between two adjacent first limiting structures 11.
[0060] The number of the first limiting structure 11 and the second limiting structure 31 can be multiple, or the number of the first limiting structure 11 is one and the number of the second limiting structure 31 is multiple, or the number of the first limiting structure 11 is multiple and the number of the second limiting structure 31 is one. In an embodiment, the number of the first limiting structure 11 is one and the number of the second limiting structure 31 is two, and the two second limiting structures 31 are arranged on the two sides of the first limiting structure 11 in the circumferential direction to limit the circumferential relative movement in both forward and reverse directions. In another embodiment, the number of the first limiting structure 11 is two and the number of the second limiting structure 31 is one, and the two first limiting structures 11 are arranged on the two sides of the second limiting structure 31 in the circumferential direction. In another embodiment, the number of the first limiting structure 11 and the number of the second limiting structure 31 are both multiple, and the number of the first limiting structure 11 and the number of the second limiting structure 31 can be two, three, four, etc. The number of the first limiting structure 11 and the number of the second limiting structure 31 can be the same or different. The first limiting structure 11 and the second limiting structure 31 are arranged alternately in the circumferential direction. Among them, there are at least one or more first limiting structures 11 arranged between two adjacent second limiting structures 31, or at least one or more second limiting structures 31 arranged between two adjacent first limiting structures 11, so as to limit the circumferential movement in both forward and reverse directions.
[0061] As described above, the number of the first limiting structure 11 and / or the second limiting structure 31 is multiple, which can limit the movement in both forward and reverse directions in the circumferential direction.
[0062] Further, in a preferred embodiment, the number of the second limiting structures 31 is two, and the number of the first limiting structures 11 is four. Each of the two second limiting structures 31 is respectively provided with a first limiting structure 11 on each of the two sides in the circumferential direction.
[0063] In the embodiment, when the inner tube 10 and the outer tube 30 move in the positive and negative directions in the circumferential direction to an overload, the second limiting structures 31 respectively abut against the first limiting structures 11 on the two sides thereof.
[0064] The above-mentioned effect of limiting in the positive and negative directions in the circumferential direction is better.
[0065] Please refer to Figure 4 , Figure 5 and Figure 6 , Figure 4 for Figure 1 the structure diagram of the outer tube in the suspension bushing; Figure 5 for Figure 1 the structure diagram of the inner tube in the suspension bushing; Figure 6 for Figure 1 the structure diagram of the elastic body in the suspension bushing. In some embodiments, the elastic body 20 has a plurality of first recesses 21 recessed towards the outer tube 30 and a plurality of second recesses 22 recessed towards the inner tube 10, each of the first limiting structures 11 is located in each of the first recesses 21, and each of the second limiting structures 31 is located in each of the second recesses 22.
[0066] The elastomer 20 connects the inner wall of the outer tube 30 and the outer wall of the inner tube 10. When the outer tube 30 and the inner tube 10 are not over-loaded in the circumferential direction, the movement of the inner tube 10 and the outer tube 30 deforms the elastomer 20, and the elastomer 20 plays a role of buffering. In order to improve the structural strength of the suspension bushing 100, the inner tube 10 and the outer tube 30 are both made of metal. The inner tube 10 and the outer tube 30 can be made by stamping or extrusion. In the embodiment, the elastomer 20 is a rubber body, which has stable properties and good buffering effect. The rubber body is vulcanizedly connected with the outer wall of the inner tube 10 and the inner wall of the outer tube 30. The vulcanization connection refers to a chemical reaction under specific temperature and pressure conditions, which forms a firm combination between the rubber body and the metal, thereby improving the bonding strength between the rubber and the metal, and improving the reliability and durability of the suspension bushing 100. The rubber body can be natural rubber, nitrile rubber, silicone rubber, etc. In the embodiment, the elastomer 20 is also a cylindrical body, and the first and second recesses 21 and 22 are respectively located on the inner and outer sides of the elastomer 20. The first limiting structure 11 is vulcanizedly connected in the first recess 21 of the elastomer 20, and the second limiting structure 31 is vulcanizedly connected in the second recess 22 of the elastomer 20.
[0067] As described above, the elastomer 20 can fully fill the gap between the inner tube 10 and the outer tube 30, and the elastomer 20 has better effect of absorbing and buffering vibration and impact.
[0068] In some embodiments, the elastomer 20 has a plurality of buffering spaces 23, which are distributed on one side or multiple sides of the elastomer 20, and the number of the buffering spaces 23 is one or more. The buffering spaces 23 are used to provide buffering when the inner tube 10 and the outer tube 30 rotate relative to each other, so as to improve the buffering capacity of the elastomer 20.
[0069] In some embodiments, the cross-sectional shape of the second limiting structure 31 in the circumferential direction is approximately trapezoidal, and the size of the second limiting structure 31 gradually decreases in the direction towards the axis. As described above, when the second limiting structure 31 in the form of a protrusion abuts against the first limiting structure 11, a larger abutting area can be obtained.
[0070] Please refer to Figures 7 to 11 , Figure 7 for the structural schematic diagram of the suspension limiting structure according to one or more embodiments; Figure 8 for Figure 7 the structural schematic diagram of the suspension limiting structure; Figure 9 for Figure 8 the structural exploded schematic diagram of the suspension limiting structure; Figure 10 for Figure 7 the structural schematic diagram of the first support in the suspension limiting structure; Figure 11 for Figure 7The second bracket structure schematic view. The application also provides a suspension limiting structure 1000. The suspension limiting structure 1000 includes a first bracket 200, a suspension bushing 100 and a second bracket 300. The first bracket 200 is used for connecting a power device; the outer tube 30 of the suspension bushing 100 is connected to the first bracket 200, and the second bracket 300 is connected to the inner tube 10 of the suspension bushing 100. The second bracket 300 is used for connecting to an electric vehicle. The suspension bushing 100 is the suspension bushing 100 described above, which will not be repeated here.
[0071] The suspension limiting structure 1000 described above, when the torque of the suspension bushing 100 is overloaded, the first limiting structure 11 and the second limiting structure 31 can hard limit the relative movement of the inner tube 10 and the outer tube 30, reducing the damage to the elastic body 20 caused by the excessive relative movement of the inner tube 10 and the outer tube 30 when the suspension bushing 100 is overloaded, and improving the durability of the elastic body 20.
[0072] The application also provides an electric vehicle, which includes the suspension bushing described above, or the electric vehicle includes the suspension limiting structure described above.
[0073] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the application, and not to limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the application, and they should be covered in the scope of the claims and the specification of the application. Especially, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.
Claims
1. A suspension bushing characterized by, The suspension bushing comprises: an inner tube; an outer tube, an inner part of the outer tube is formed with a receiving space, the inner tube is at least partially arranged in the receiving space; an elastic body arranged between the inner tube and the outer tube to connect the inner tube and the outer tube; wherein an outer wall of the inner tube is provided with a first limiting structure, and an inner wall of the outer tube is provided with a second limiting structure matched with the first limiting structure to limit the relative movement of the inner tube and the outer tube.
2. The suspension bushing according to claim 1, wherein the first limiting structure and the second limiting structure are both protrusions, and the first limiting structure and the second limiting structure are arranged in a staggered manner.
3. The suspension bushing according to claim 2, wherein the first limiting structure and the second limiting structure are arranged in a circumferential interval to limit the circumferential relative movement of the inner tube and the outer tube.
4. The suspension bushing according to claim 3, wherein the first limiting structure and / or the second limiting structure is / are a plurality of structures, and at least one first limiting structure is arranged between two adjacent second limiting structures, or at least one second limiting structure is arranged between two adjacent first limiting structures.
5. The suspension bushing according to claim 4, wherein the number of the second limiting structures is two, and the number of the first limiting structures is four; each second limiting structure is correspondingly provided with one first limiting structure on each side in the circumferential direction.
6. The suspension bushing according to claim 4, wherein the first limiting structure and the second limiting structure are arranged in an alternating manner in the circumferential direction.
7. The suspension bushing according to claim 3, wherein the elastic body has a plurality of first grooves recessed towards the outer tube and a plurality of second grooves recessed towards the inner tube, each first limiting structure is located in each first groove, and each second limiting structure is located in each second groove.
8. The suspension bushing according to claim 5, wherein the elastic body is a rubber body, and the rubber body is vulcanization-connected with the inner tube and the outer tube.
9. The suspension bushing according to claim 2, wherein a cross-sectional shape of the second limiting structure in the circumferential direction is approximately trapezoidal, and the second limiting structure gradually decreases in size in the direction towards the axis.
10. A suspension stop structure, characterized by, The suspension limiting structure comprises: a first support for connecting a power device; a suspension bushing, an outer tube of the suspension bushing is connected to the first support, and the suspension bushing is the suspension bushing according to any one of claims 1-9; a second support connected to the outer tube of the suspension bushing, and the second support is used for being connected to an electric vehicle.
11. An electric vehicle, characterized by The electric vehicle comprises the suspension bushing according to any one of claims 1-9, or the electric vehicle comprises the suspension limiting structure according to claim 10.