CN218118438U - Suspension bush, suspension assembly and vehicle - Google Patents
Suspension bush, suspension assembly and vehicle Download PDFInfo
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- CN218118438U CN218118438U CN202222427131.0U CN202222427131U CN218118438U CN 218118438 U CN218118438 U CN 218118438U CN 202222427131 U CN202222427131 U CN 202222427131U CN 218118438 U CN218118438 U CN 218118438U
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Abstract
The utility model discloses a suspension bush, suspension assembly and vehicle, the suspension bush includes: an inner tube; the first rubber main spring is sleeved outside the inner pipe; the mass ring is sleeved outside the first rubber main spring; the second rubber main spring is sleeved outside the mass ring; and the outer pipe is sleeved outside the second rubber main spring. According to the utility model discloses a suspension bush, first rubber main spring and second rubber main spring can play as main spring and bear and the damping in, can also form a bump leveller with the mass ring, when guaranteeing suspension bush bulk stiffness, can reduce the hardness of first rubber main spring and second rubber main spring, effectively reduce the dynamic stiffness under the high frequency state, make the suspension bush have the function of absorbing vibration when bearing the motor. Meanwhile, the first rubber main spring and the second rubber main spring can be made of rubber with different hardness and different types, and adjustment is facilitated.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to a suspension bush, suspension assembly and vehicle are related to.
Background
The suspension system of the motor power assembly is an important subsystem of a vibration system of an electric vehicle, and the vibration performance of the suspension system directly influences the riding comfort of passengers. The performance of the suspension system of the motor power assembly mainly depends on the structural form, the arrangement mode, the rigidity, the damping characteristic and the like of the suspension system.
At present, the suspension bush in the motor suspension has the following disadvantages in structure: firstly, the structure is simple, the axial static rigidity is low, the service life is short, the durability is poor, and the stability of the dry vehicle is not good; secondly, the axial direction of the suspension bushing can only provide unilateral limit or no limit, which is not beneficial to controlling the mass center displacement of the power assembly; thirdly, the motor suspension is influenced by high-frequency hardening, the high-frequency dynamic stiffness is high, particularly the axial dynamic stiffness is obviously increased, and the NVH (noise vibration Harshness) performance of the whole vehicle is influenced. In addition, in order to reduce the vibration influence of the existing suspension assembly, an external vibration absorber is arranged on a suspension support and used for vibration reduction, the design of the external vibration absorber is a common means when the old vehicle type is modified and optimized, the design does not carry out performance matching on a mounting point, so that the arrangement point of the vibration absorber is far away from a vibration source, the vibration absorption effect is poor, the size of the finally matched vibration absorber is large, and the precious cabin space is occupied.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a suspension bush, the suspension bush has the vibration isolation and absorbs the function of vibration when bearing the motor, can improve the travelling comfort of vehicle.
According to the utility model discloses suspension bush includes: an inner tube; the first rubber main spring is sleeved outside the inner pipe; the mass ring is sleeved outside the first rubber main spring; the second rubber main spring is sleeved outside the mass ring; the outer pipe is sleeved outside the second rubber main spring.
According to the utility model discloses suspension bush, a dynamic vibration absorber structure has been constituteed to first rubber main spring, quality ring and the second rubber main spring in the suspension bush, makes the suspension bush have vibration isolation and absorbed vibration's function when bearing the motor, and sets up the dynamic vibration absorber structure in the suspension bush nearer from the vibration source, can more effectual vibrations that weaken the motor, has better shock-absorbing performance, improves the travelling comfort of vehicle.
According to the utility model discloses a some embodiments, be equipped with on the first rubber master spring and follow the first hole that the axial direction of first rubber master spring extends, first hole site in between the internal perisporium and the periphery wall of first rubber master spring.
In some embodiments of the present invention, the first hole is a plurality of holes spaced apart in a circumferential direction of the first rubber main spring.
According to some embodiments of the utility model, be equipped with on the second rubber main spring and follow the second hole that the axial direction of second rubber main spring extends, the second hole is located between the internal perisporium and the periphery wall of second rubber main spring.
In some embodiments of the present invention, the second hole is a plurality of holes spaced apart in a circumferential direction of the second rubber main spring.
In some embodiments of the present invention, a wall surface of the second hole near the outer tube protrudes toward the inner tube.
According to some embodiments of the invention, the mass ring is a metal ring, or the inner tube, the first rubber main spring, the mass ring, the second rubber main spring and the outer tube are connected by a vulcanization process.
The utility model also provides a suspension assembly of having above-mentioned suspension bush.
According to the utility model discloses suspension assembly includes above-mentioned suspension bush and support. The bracket is provided with a mounting hole; the suspension bushing is arranged in the mounting hole.
According to the utility model discloses suspension assembly, through setting up the suspension bush in the support mounting hole, make first rubber main spring, the dynamic vibration absorber structure that second rubber main spring and quality ring are constituteed is nearer from the vibration source, can consume the energy that motor vibration produced more easily, better effect of shaking has, and then reduce the vibration of suspension assembly, improve the travelling comfort of vehicle, external bump leveller on can cancelling the suspension assembly simultaneously, reduce the manufacturing cost of suspension assembly, be convenient for set up the suspension assembly in the limited space in cabin.
According to some embodiments of the present invention, the suspension assembly further comprises: the anti-collision piece is arranged on the end face of one end, in the axial direction of the mounting hole, of the support, and the anti-collision piece is arranged opposite to the mounting hole.
The utility model also provides a vehicle of having above-mentioned suspension assembly.
According to the utility model discloses vehicle includes above-mentioned suspension assembly.
According to the utility model discloses the vehicle, through setting up the suspension bush in the mounting hole of support, make first rubber main spring, the dynamic vibration absorber structure that second rubber main spring and quality ring are constituteed is nearer from the vibration source, can consume the energy that motor vibration produced more easily, better effect of shaking has, and then reduce the vibration of suspension assembly, improve the travelling comfort of vehicle, external bump leveller on can canceling the suspension assembly simultaneously, reduce the manufacturing cost of suspension assembly, be convenient for set up the suspension assembly in the limited space in cabin.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a suspension assembly according to an embodiment of the present invention;
FIG. 2 is an exploded view of the suspension assembly of FIG. 1;
fig. 3 is a schematic structural view of a suspension bushing according to an embodiment of the present invention.
Reference numerals:
1000. a suspension assembly;
100. a suspension bushing;
1. an inner tube;
2. a first rubber main spring; 21. a first hole;
3. a mass ring;
4. a second rubber main spring; 41. a second hole; 42. a limiting block;
5. an outer tube;
200. a support; 201. mounting holes; 202. an anti-collision member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A suspension bushing 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
As shown in fig. 2 and 3, a suspension bushing 100 according to an embodiment of the present invention includes: the device comprises an inner tube 1, a first rubber main spring 2, a mass ring 3, a second rubber main spring 4 and an outer tube 5. The first rubber main spring 2 of the suspension bush 100 is sleeved outside the inner pipe 1; the mass ring 3 is sleeved outside the first rubber main spring 2; the second rubber main spring 4 is sleeved outside the mass ring 3; the outer tube 5 is sleeved outside the second rubber main spring 4.
The first rubber main spring 2 and the second rubber main spring 4 can be used as spring components of the vibration absorber and form a vibration absorber assembly together with the mass ring 3, the mass ring 3 is used as a framework inside the first rubber main spring 2 and the second rubber main spring 4, the whole rigidity of the suspension bush 100 can be improved under the condition that the hardness of the first rubber main spring 2 and the hardness of the second rubber main spring 4 are not improved, the suspension bush 100 has better bearing capacity, meanwhile, the dynamic-static rigidity ratio of the suspension bush 100 is not improved, and the durability of the suspension bush 100 is improved under the condition that the NVH performance is excellent.
The dynamic vibration absorber is a device that absorbs vibration energy of an object using a resonance system to reduce vibration of the object. The principle is to attach a mass-spring resonance system to the vibrating body, and the reaction force generated by the additional system when the additional system resonates can reduce the vibration of the vibrating body. The mounting of motor is worn to establish in inner tube 1, makes the motor be connected with suspension bush 100, and when the vibration transmission that the motor produced was to the dynamic vibration absorber structure on the suspension bush 100, mass ring 3 took place to resonate between first rubber main spring 2 and second rubber main spring 4, has offset the vibration that the motor transmitted to mass ring 3 also can the vibration energy consumption at the in-process of vibration, makes the vibration of motor further weaken.
As shown in fig. 1 and 2, the dynamic vibration absorber structure composed of the first rubber main spring 2 and the second rubber main spring 4 of the mass ring 3 is arranged in the suspension bushing 100, and the fixing part of the motor is arranged in the inner tube 1 in a penetrating manner, so that the dynamic vibration absorber structure is closer to the motor generating vibration, compared with the design of an external vibration absorber on a motor bracket in the prior art, the dynamic vibration absorber structure in the suspension bushing 100 is closer to a vibration source, the vibration of the motor can be more effectively weakened, the better vibration absorption effect is achieved, and the comfort of the vehicle is improved.
According to the utility model discloses suspension bush 100, through setting up two main spring rubbers of first rubber main spring 2 and second rubber main spring 4 and set up quality ring 3 between first main spring rubber 2 and second main spring rubber 4, make first rubber main spring 2 and second rubber main spring 4 can play as main spring and bear and the damping in, can also constitute a bump leveller with quality ring 4, when guaranteeing suspension bush 100 bulk stiffness, can reduce the hardness of first rubber main spring 2 and second rubber main spring 4, effectively reduce the dynamic stiffness under the high frequency state, make suspension bush 100 have the function of absorbed vibration when bearing the motor. Meanwhile, the first rubber main spring 2 and the second rubber main spring 4 can be made of rubber with different hardness and different types, and adjustment is facilitated.
According to some embodiments of the present invention, as shown in fig. 3, a first hole 21 is provided on the first rubber main spring 2, the first hole 21 extends along the axial direction of the first rubber main spring 2, and the first hole 21 is located between the inner peripheral wall and the outer peripheral wall of the first rubber main spring 2, and the first hole 21 may penetrate through the first rubber main spring 2 in the axial direction of the first rubber main spring 2. The first hole 21 can reduce the rigidity of the first rubber main spring 2 under the condition that the hardness of the first rubber main spring 2 is not changed, so that the first rubber main spring 2 has better bearing capacity and better vibration isolation effect.
Further, the number of the first holes 21 may be provided in plural, the plural first holes 21 are spaced apart in the circumferential direction of the first rubber main spring 2, the number of the first holes 21 may be adjusted according to an actual requirement for the rigidity of the first rubber main spring 2, and under the condition that the rigidity of the first rubber main spring 2 is not changed, the larger the number of the first holes 21 is, the smaller the rigidity of the first rubber main spring 2 is, and the vibration isolation effect of the first rubber main spring 2 may be improved. For example, as shown in fig. 3, the plurality of first holes 21 are uniformly arranged along the circumferential direction of the first rubber main spring 2, so that the first rubber main spring 2 is stressed more uniformly, which is beneficial to prolonging the service life of the first rubber main spring 2.
Alternatively, the first hole 21 is a race-track type hole extending in the circumferential direction of the first rubber mainspring 2.
According to some embodiments of the present invention, as shown in fig. 3, a second hole 41 is provided on the second rubber main spring 4, the second hole 41 extends along the axial direction of the second rubber main spring 4, and the second hole 41 is located between the inner peripheral wall and the outer peripheral wall of the second rubber main spring 4, and the second hole 41 may penetrate through the second rubber main spring 4 in the axial direction of the second rubber main spring 4. The second hole 41 is arranged, so that the rigidity of the second rubber main spring 4 can be reduced under the condition that the hardness of the second rubber main spring 4 is not changed, the second rubber main spring 4 has better bearing capacity, and meanwhile, the second rubber main spring has better vibration isolation effect.
Further, the number of the second holes 41 may be provided in plural, the plural second holes 41 are spaced apart in the circumferential direction of the second rubber main spring 4, the number of the second holes 41 may be adjusted according to an actual requirement for the rigidity of the second rubber main spring 4, and in a case where the rigidity of the second rubber main spring 4 is not changed, the larger the number of the second holes 41 is, the smaller the rigidity of the second rubber main spring 4 is, and the vibration isolation effect of the second rubber main spring 4 may be improved. For example, as shown in fig. 3, the plurality of second holes 41 are uniformly arranged in the circumferential direction of the second rubber main spring 4, so that the force applied to the second rubber main spring 4 is more balanced, which is beneficial to prolonging the service life of the second rubber main spring 4.
Alternatively, the second hole 41 extends in the circumferential direction of the second rubber main spring 4.
In some embodiments of the present invention, the wall surface of the second hole 41 near the outer tube 5 is convex toward the inner tube 1, and the wall surface of the second hole 41 near the outer tube may be an arc shape convex toward the inner tube. The wall surface of the second hole 41 near the outer tube may form a stopper 42. The whole intensity of second rubber main spring 4 can be strengthened to stopper 42, the durability of second rubber main spring 4 has been improved, and, when second rubber main spring 4 atress takes place to deform, stopper 42 supports between the internal perisporium and the periphery wall of second rubber main spring 4, has restricted the deformation degree of second rubber main spring 4, avoids second rubber main spring 4 to produce the damage because of excessive deformation, is favorable to prolonging the life of second rubber main spring 4.
According to some embodiments of the present invention, the mass ring 3 may be a metal ring. As shown in fig. 3, the mass ring 3 made of metal is disposed between the first rubber main spring 2 and the second rubber main spring 4, so that the rigidity of the suspension bush 100 can be improved without changing the hardness of the first rubber main spring 2 and the second rubber main spring 4, the suspension bush 100 has good bearing capacity, the overall structural strength of the suspension bush 100 is enhanced by the metal mass ring 3, and the service life of the suspension bush 100 is prolonged.
According to some embodiments of the present invention, as shown in fig. 2, the suspension bushing 100 has a first rubber main spring 2 sleeved outside the inner tube 1, a mass ring 3 sleeved outside the first rubber main spring 2, a second rubber main spring 4 sleeved outside the mass ring 3, and an outer tube 5 sleeved outside the second rubber main spring 4. The inner tube 1, the first rubber main spring 2, the mass ring 3, the second rubber main spring 4 and the outer tube 5 are connected with each other through a vulcanization process. The vulcanization process can enable the first rubber main spring 2 and the second rubber main spring 4 made of rubber materials to be connected with the inner pipe 1, the mass ring 3 and the outer pipe 5 more stably, meanwhile, the vulcanization process connection can eliminate gaps among all parts of the suspension bushing 100, the suspension bushing 100 is enabled to be a whole, the improvement of the overall structural strength of the suspension bushing 100 is facilitated, and the vulcanization process technology is mature and convenient to process and manufacture.
In some embodiments of the present invention, the inner tube 1, the first rubber main spring 2, the mass ring 3, the second rubber main spring 4, and the outer tube 5 may be assembled and connected by interference fit.
In some embodiments of the present invention, the first rubber main spring 2 and the second rubber main spring 4 may be made of rubber with different hardness and different types. Like this, when in actual use, can adjust the rigidity and the vibration isolation performance of suspension bush 100 through the hardness of adjusting first rubber main spring 2 and/or the 4 materials of second rubber main spring, make suspension bush 100 can be applicable to more operational environment, be favorable to the upgrading optimization of later stage product, reduce later stage suspension bush 100's development cost.
According to the embodiment of the present invention, the suspension assembly 1000 comprises the suspension bushing 100 and the bracket 200 according to the above embodiment of the present invention.
As shown in fig. 2, a mounting hole 201 is formed on the bracket 200, the suspension bushing 100 is disposed in the mounting hole 201, and the suspension assembly 1000 carries the motor through the suspension bushing 100. The motor is connected with suspension bush 100, the motor can produce the vibration when the operation, through the outside transmission of suspension bush 100, and suspension bush 100's first rubber main spring 2 and second rubber main spring 4 are the rubber material, the rubber material has good vibration isolation effect, can completely cut off or weaken the vibration that the motor produced, and simultaneously, first rubber main spring 2, second rubber main spring 4 and quality ring 3 constitute the dynamic vibration absorber structure, can absorb the vibration, further weaken the transmission of vibration. Compared with the design of the external vibration absorber on the motor bracket 200 in the prior art, the vibration absorber structure in the suspension bushing 100 is closer to the vibration source, so that the energy generated by the vibration of the motor can be more easily consumed, and the vibration absorption effect is better, thereby reducing the vibration of the suspension assembly 1000. In addition, an external vibration absorber on the suspension assembly 1000 can be omitted, so that the production cost is reduced, and the suspension assembly 1000 can be conveniently arranged in a limited space of the cabin.
According to the utility model discloses suspension assembly 1000, through setting up suspension bush 100 in the mounting hole 201 of support 200, make first rubber main spring 2, the dynamic vibration absorber structure that second rubber main spring 4 and quality ring 3 are constituteed is nearer from the vibration source, the energy that can consume the motor vibration more easily and produce, better effect of shaking is inhaled to have, and then reduce suspension assembly 1000's vibration, improve the travelling comfort of vehicle, external bump leveller on can cancelling suspension assembly 1000 simultaneously, reduce suspension assembly 1000's manufacturing cost, be convenient for set up suspension assembly 1000 in the limited space in cabin.
Further, as shown in fig. 2, the suspension assembly 1000 further includes: the bumper 202. The bumper 202 is provided on an end surface of one end of the bracket 200 in the axial direction of the mounting hole 201, and the bumper 202 is provided opposite to the mounting hole 201. The bumper 202 may be made of rubber to protect the suspension bushing 100 and prevent the suspension bushing 100 from being affected by vibration and abrasion of other parts of the frame. When the suspension bushing 100 is deformed by force, the anti-collision part 202 also plays a role in limiting, avoids the suspension bushing 100 from being damaged or separated from the mounting hole 201 due to too large deformation degree, prolongs the service life of the suspension bushing 100, and also makes the overall structure of the suspension assembly 1000 more stable.
According to the utility model discloses the vehicle, include according to the utility model discloses above-mentioned embodiment suspension assembly 1000.
According to the utility model discloses vehicle, through setting up suspension bush 100 in the mounting hole 201 of support 200, make first rubber main spring 2, the dynamic vibration absorber structure that second rubber main spring 4 and quality ring 3 are constituteed is nearer from the vibration source, can consume the energy that motor vibration produced more easily, better effect of shaking has, and then reduce suspension assembly 1000's vibration, improve the travelling comfort of vehicle, external bump leveller on can cancelling suspension assembly 1000 simultaneously, reduce suspension assembly 1000's manufacturing cost, be convenient for set up suspension assembly 1000 in the limited space in cabin.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A suspension liner, comprising:
an inner tube;
the first rubber main spring is sleeved outside the inner pipe;
the mass ring is sleeved outside the first rubber main spring;
the second rubber main spring is sleeved outside the mass ring;
the outer tube is sleeved outside the second rubber main spring.
2. The suspension bushing of claim 1, wherein the first rubber main spring is provided with a first hole extending in an axial direction of the first rubber main spring, the first hole being located between an inner circumferential wall and an outer circumferential wall of the first rubber main spring.
3. The suspension bushing of claim 2, wherein the first hole is plural spaced apart in a circumferential direction of the first rubber main spring.
4. The suspension bushing of claim 1, wherein the second rubber main spring is provided with a second hole extending in an axial direction of the second rubber main spring, the second hole being located between an inner circumferential wall and an outer circumferential wall of the second rubber main spring.
5. The suspension bushing according to claim 4, wherein the second hole is plural in number spaced apart in a circumferential direction of the second rubber main spring.
6. The suspension liner according to claim 4, wherein a wall surface of the second hole near the outer pipe is convex toward the inner pipe.
7. The suspension liner according to claim 1,
the mass ring is a metal ring;
or the inner tube, the first rubber main spring, the mass ring, the second rubber main spring and the outer tube are connected through a vulcanization process.
8. A suspension assembly, comprising:
the bracket is provided with a mounting hole;
the suspension bushing of any of claims 1-7, disposed within the mounting hole.
9. The suspension assembly of claim 8, further comprising:
the anti-collision piece is arranged on the end face of one end, in the axial direction of the mounting hole, of the support, and the anti-collision piece is arranged opposite to the mounting hole.
10. A vehicle comprising a suspension assembly according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222427131.0U CN218118438U (en) | 2022-09-13 | 2022-09-13 | Suspension bush, suspension assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222427131.0U CN218118438U (en) | 2022-09-13 | 2022-09-13 | Suspension bush, suspension assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218118438U true CN218118438U (en) | 2022-12-23 |
Family
ID=84529922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222427131.0U Active CN218118438U (en) | 2022-09-13 | 2022-09-13 | Suspension bush, suspension assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218118438U (en) |
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2022
- 2022-09-13 CN CN202222427131.0U patent/CN218118438U/en active Active
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