Vibration absorber and vehicle

Abstract

The utility model relates to the technical field of vehicles, and provides a vibration absorber and a vehicle. The vibration absorber comprises a vibration absorption lining, a mass block, a first limiting plate, a second limiting plate and a fastener, the vibration absorption lining is configured to be capable of deforming to absorb or release vibration energy, the mass block is arranged outside the vibration absorption lining in a sleeving mode, the first limiting plate is connected to one side of the vibration absorption lining, the second limiting plate is connected to the other side of the vibration absorption lining, and the fastener is connected with the mass block. The fastener sequentially penetrates through the first limiting plate, the vibration absorption lining and the second limiting plate so that the first limiting plate, the vibration absorption lining and the second limiting plate can be fixed to the vehicle frame. The vibration absorber, the mass block, the first limiting plate, the vibration absorption lining and the second limiting plate serve as mutually independent structures and can be connected to the vehicle frame through fasteners, the vibration absorber is of an assembled structure and has good matching performance for different vehicle types, the vibration suppression effect can be guaranteed, meanwhile, installation is simplified, and practicability is high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicles, in particular to a vibration absorber and a vehicle. BACKGROUND

[0002] During dynamic driving, the vehicle generates vibration due to uneven road surface, vehicle speed and other factors. The vibration energy generated by the tire under the excitation of the road surface is transmitted to the vehicle frame through the suspension system. The vibration frequency of the tire may coincide with the second-order modal frequency of the subframe. Once the two modal frequencies are coupled, the vibration energy is transmitted and amplified between them, resulting in poor ride comfort of the vehicle and possibly causing abnormal noise in the vehicle. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a vibration absorber and a vehicle.

[0004] The first aspect of the present application provides a vibration absorber, comprising:

[0005] a vibration absorbing sleeve configured to be deformable to absorb or release vibration energy;

[0006] a mass block sleeved outside the vibration absorbing sleeve;

[0007] a first limiting plate connected to one side of the vibration absorbing sleeve;

[0008] a second limiting plate connected to the other side of the vibration absorbing sleeve;

[0009] a fastener sequentially penetrating through the first limiting plate, the vibration absorbing sleeve and the second limiting plate to fix the first limiting plate, the vibration absorbing sleeve and the second limiting plate on the vehicle frame.

[0010] The vibration absorber provided by the present application can vibrate with the vehicle frame when the vibration absorbing sleeve and the mass block are both arranged on the vehicle frame. The mass block as a counterweight can drive the vibration absorbing sleeve to deform. The reaction force generated by the deformation of the vibration absorbing sleeve can make the mass block generate a force opposite to the original vibration direction, so as to suppress the vibration and change the vibration frequency of the vehicle frame, avoiding the same frequency resonance with the tire or the vehicle frame. In addition, the first limiting plate and the second limiting plate are respectively located on the two sides of the vibration absorbing sleeve and the mass block. When the vibration absorbing sleeve is installed on the vehicle frame, it can avoid direct contact with the vehicle frame. The first limiting plate and the second limiting plate can also limit the deformation amount of the vibration absorbing sleeve along the axial direction of the fastener. The first limiting plate, the vibration absorbing sleeve and the second limiting plate as independent structures can be connected to the vehicle frame through the fastener. That is, the vibration absorber of the present application is a assembled structure, which has good matching for different vehicle models, can simplify the installation while ensuring the vibration suppression effect, and has strong practicality.

[0011] In some embodiments, the vibration-absorbing bushing comprises vibration-absorbing rubber, an inner tube, and an outer tube;

[0012] The outer tube is sleeved outside the inner tube, the vibration-absorbing rubber is connected between the outer side of the inner tube and the inner side of the outer tube, the mass block is sleeved outside the outer tube, and the fastener passes through the inner tube.

[0013] Based on the above embodiments, the vibration-absorbing rubber is configured to be deformable to absorb or release vibration energy, and when the mass block or the fastener follows the vibration of the vehicle frame, the vibration-absorbing rubber can be deformed by the mass block or the fastener to absorb or release vibration energy, thereby ensuring the vibration suppression effect; the inner tube is provided to facilitate the installation of the vibration-absorbing rubber on the fastener, and the outer tube is provided to facilitate the assembly of the vibration-absorbing rubber and the mass block, thereby ensuring that the vibration energy is absorbed by the vibration-absorbing rubber while ensuring the connection strength.

[0014] In some embodiments, the two ends of the inner tube extend axially outside the ends of the outer tube, and the first limiting plate and the second limiting plate are respectively connected to the two ends of the inner tube;

[0015] A first avoiding space is formed between one end of the outer tube and the first limiting plate, and a second avoiding space is formed between the other end of the outer tube and the second limiting plate.

[0016] Based on the above embodiments, when one end of the inner tube abuts against the first limiting plate, a first avoiding space is formed between one end of the outer tube and the first limiting plate, i.e., a first avoiding space is formed between the first limiting plate and the mass block, and when the other end of the inner tube abuts against the second limiting plate, a second avoiding space is formed between the other end of the outer tube and the second limiting plate, i.e., a second avoiding space is formed between the second limiting plate and the mass block, the first avoiding space and the second avoiding space can reserve a deformation space for the vibration-absorbing bushing and the mass block, thereby avoiding motion interference.

[0017] In some embodiments, the vibration-absorbing rubber comprises an inner ring, an outer ring, and a connecting rib;

[0018] The outer ring is sleeved outside the inner ring, and the connecting rib is connected between the inner ring and the outer ring;

[0019] The outer ring is arranged on the inner side wall of the outer tube, and the inner ring is arranged on the outer side wall of the inner tube.

[0020] Based on the above embodiments, vibration energy can be transmitted between the inner ring, the outer ring, and the connecting rib, the inner ring is arranged on the outer side wall of the inner tube to enable the vibration-absorbing rubber to absorb vibration energy on the fastener through the inner tube, and the outer ring is arranged on the inner side wall of the outer tube to enable the vibration-absorbing rubber to absorb vibration energy on the mass block through the outer tube.

[0021] In some embodiments, the number of the connecting ribs is multiple, and the multiple connecting ribs are arranged in sequence along the circumference direction, and gaps are formed between adjacent connecting ribs.

[0022] Based on the above embodiments, the radial stiffness of the vibration-absorbing rubber can be reduced, the deformation amount can be increased, and the vibration energy can be effectively absorbed.

[0023] In some embodiments, the first limiting plate is provided with a first rubber body, and the first rubber body is sleeved on at least part of the outer periphery of the vibration-absorbing sleeve along the circumferential direction of the vibration-absorbing sleeve.

[0024] The second limiting plate is provided with a second rubber body, and the second rubber body is sleeved on at least part of the outer periphery of the vibration-absorbing sleeve along the circumferential direction of the vibration-absorbing sleeve.

[0025] Based on the above embodiments, when the mass block moves relative to the fastener, the mass block has both radial displacement and axial displacement, the axial movement can be buffered by the first rubber body and the second rubber body, which can not only achieve the purpose of absorbing vibration energy, but also avoid the problem of abnormal noise. When the frame vibration is small, the vibration-absorbing sleeve can ensure the vibration suppression effect. When the frame vibration is large, the vibration-absorbing effect of the first rubber body and the second rubber body can further reduce the vibration energy of the frame, and ensure the stability of the frame.

[0026] In some embodiments, the center of the first rubber body is provided with a first sleeve portion, and at least part of one end of the vibration-absorbing sleeve is inserted and matched with the first sleeve portion, and abuts against the first limiting plate for limiting;

[0027] The center of the second rubber body is provided with a second sleeve portion, and at least part of the other end of the vibration-absorbing sleeve is inserted and matched with the second sleeve portion, and abuts against the second limiting plate for limiting.

[0028] Based on the above embodiments, the radial limiting between the vibration-absorbing sleeve and the first sleeve portion can be realized, at the same time, at least part of one end of the vibration-absorbing sleeve abuts against the first limiting plate for limiting, which can realize the axial positioning between the first limiting plate and the vibration-absorbing sleeve under the action of the fastener, and ensure the connection strength; and the radial limiting between the vibration-absorbing sleeve and the second sleeve portion can be realized, at the same time, at least part of the other end of the vibration-absorbing sleeve abuts against the second limiting plate for limiting, which can realize the axial positioning between the second limiting plate and the vibration-absorbing sleeve under the action of the fastener.

[0029] In some embodiments, at least part of one end of the vibration-absorbing sleeve and the first sleeve portion are gap-fitted;

[0030] And / or, at least part of the other end of the vibration-absorbing sleeve and the second sleeve portion are gap-fitted.

[0031] Based on the above embodiment, the installation difficulty can be reduced while achieving secondary vibration absorption.

[0032] In some embodiments, the first rubber body is located between the first limiting plate and the vibration absorption bushing, and a side of the first rubber body facing the vibration absorption bushing is provided with a first protrusion;

[0033] And / or, the second rubber body is located between the second limiting plate and the vibration absorption bushing, and a side of the second rubber body facing the vibration absorption bushing is provided with a second protrusion.

[0034] Based on the above embodiment, the vibration energy on the vibration absorption bushing can be further absorbed by the first rubber body, and the vibration energy on the vibration absorption bushing can be further absorbed by the second rubber body. Compared with the surface area of the first rubber body and the second rubber body, the contact area with the mass block can be reduced, and the problem of abnormal noise caused by large friction can be avoided.

[0035] The second aspect of the application provides a vehicle comprising a vehicle frame and a vibration absorber as described in any one of the above aspects, the vibration absorber being connected to the vehicle frame.

[0036] The vehicle provided by the application can ensure the best vibration suppression effect and avoid the resonance problem of the vehicle frame, so as to ensure the stability of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0037] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the application and serve to explain the principles of the application together with the specification.

[0038] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0039] Figure 1 It is a structural schematic view of the vibration absorber of an embodiment of the application;

[0040] Figure 2 It is a sectional view of the vibration absorber of an embodiment of the application;

[0041] Figure 3 It is Figure 2 It is a local enlarged view of A part in FIG. 4;

[0042] Figure 4 It is Figure 2 It is a local enlarged view of B part in FIG. 4;

[0043] Figure 5 It is the structural schematic view of the first limiting plate of one embodiment of the utility model;

[0044] Figure 6 It is the structural schematic view of the mass block of one embodiment of the utility model;

[0045] Figure 7 It is the structural schematic view of the vibration absorbing bushing of one embodiment of the utility model;

[0046] Figure 8 It is the installation schematic view of the mass block and vibration absorbing bushing of one embodiment of the utility model;

[0047] Figure 9 It is the installation schematic view of the vibration absorber on the frame of one embodiment of the utility model.

[0048] In the figure: 1, vibration absorbing bushing;11, vibration absorbing rubber;111, inner ring;112, outer ring;113, connecting rib;12, inner tube;13, outer tube;2, mass block;3, first limiting plate;31, first avoiding space;32, first rubber body;321, first sleeve part;322, first protrusion;4, second limiting plate;41, second avoiding space;42, second rubber body;421, second sleeve part;422, second protrusion;5, fastener;6, frame. DETAILED DESCRIPTION

[0049] In order to more clearly understand the above purpose, features and advantages of the application, the scheme of the application will be further described below.It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0050] In the following description, many specific details are set forth in order to fully understand the application, but the application can also be implemented in other ways different from the description herein;Obviously, the examples in the specification are only some of the embodiments of the application, not all.

[0051] The vibration absorber and vehicle will be described in detail below through specific embodiments:

[0052] Referring to Figures 1 to 9 Some embodiments of the utility model provide a kind of vibration absorber for being set on frame 6, including vibration absorbing bushing 1, mass block 2, first limiting plate 3, second limiting plate 4 and fastener 5.

[0053] The vibration absorbing sleeve 1 is configured to be deformable to absorb or release vibration energy, the mass block 2 is sleeved outside the vibration absorbing sleeve 1, and the vibration absorbing sleeve 1 and the mass block 2 are arranged on the vehicle frame 6 and can vibrate together with the vehicle frame 6, the mass block 2 acts as a counterweight and can drive the vibration absorbing sleeve 1 to deform, the reaction force generated by the deformation of the vibration absorbing sleeve 1 can enable the mass block 2 to generate a force opposite to the original vibration direction, thereby inhibiting vibration and changing the vibration frequency of the vehicle frame 6, and the same-frequency resonance with the tire or the vehicle frame can be avoided.

[0054] In a specific implementation, the first limiting plate 3 is connected to one side of the vibration absorbing sleeve 1, and the second limiting plate 4 is connected to the other side of the vibration absorbing sleeve 1, that is, the first limiting plate 3 and the second limiting plate 4 are respectively located on the two sides of the vibration absorbing sleeve 1 and the mass block 2, and the vibration absorbing sleeve 1 can avoid direct contact with the vehicle frame 6 when the vibration absorbing sleeve 1 is installed on the vehicle frame 6, and the first limiting plate 3 and the second limiting plate 4 can also limit the deformation amount of the vibration absorbing sleeve 1 in the axial direction of the fastener 5. Specifically, the first limiting plate 3 and the second limiting plate 4 are respectively located on the two sides of the vibration absorbing sleeve 1 in the axial direction.

[0055] The fastener 5 sequentially penetrates the first limiting plate 3, the vibration absorbing sleeve 1 and the second limiting plate 4 to fix the first limiting plate 3, the vibration absorbing sleeve 1 and the second limiting plate 4 on the vehicle frame 6, that is, the first limiting plate 3, the vibration absorbing sleeve 1 and the second limiting plate 4 are connected to the vehicle frame 6 as independent structures, that is, the vibration absorber of the present application is a assembled structure, which has good matching for different vehicle models, can simplify the installation while ensuring the vibration suppression effect, and has strong practicability.

[0056] In a specific implementation, the vibration absorbing sleeve 1 and / or the mass block 2 (in the case that the mass block has stiffness) with different stiffnesses can be selected according to the actual needs of different vehicle models, and by selecting the vibration absorbing sleeve 1 with different stiffnesses and / or the mass block 2 with different stiffnesses, the best vibration reduction effect can be ensured for different vehicle models, and the matching is high.

[0057] Compared with the existing integrated vibration absorber, the present application has good matching for different vehicle models, can further realize the platformization and automatic assembly of the vibration absorber design, can adapt to the installation needs of different vehicle models, and further reduces the production cost. For automobiles that have large vibration in the late development stage, the assembled vibration absorber of the present application can be used to handle the vibration and noise problems. Due to the good matching, the installation is simple and convenient, and has good application prospect.

[0058] Meanwhile, a modular structure design can be realized, resource waste caused by repeated development of molds can be reduced, research and development costs and production costs are reduced, production costs are reduced, inherent frequency can be adjusted in a large range with minimum cost expenditure, and the needs of different vehicle models can be met.

[0059] Specifically, in order to control the resonance of the vehicle frame 6, the vibration absorber is arranged at the position where the vibration of the vehicle frame 6 is the largest, so that the best vibration suppression effect can be ensured, and the stability of the vehicle driving can be ensured.

[0060] The first limiting plate 3 and the second limiting plate 4 are plate structures formed by stamping, the mass block 2 can be nodular cast iron formed by casting, and the mass block 2 can be in the shape of a square, a rectangle, an ellipse, a rhombus, a triangle or other structural members, which are not limited in the present application.

[0061] In some embodiments, referring to Figures 2 to 4 As shown in the figure, the vibration-absorbing bushing 1 includes a vibration-absorbing rubber 11, an inner tube 12 and an outer tube 13, the outer tube 13 is sleeved outside the inner tube 12, the vibration-absorbing rubber 11 is connected between the outer side of the inner tube 12 and the inner side of the outer tube 13, the mass block 2 is sleeved outside the outer tube 13, and the fastener 5 passes through the inner tube 12. It can be understood that, by arranging the inner tube 12, the vibration-absorbing rubber 11 can be conveniently installed on the fastener 5, by arranging the outer tube 13, the vibration-absorbing rubber 11 can be conveniently assembled with the mass block 2, and the connection strength can be ensured while the vibration energy is absorbed by the vibration-absorbing rubber 11.

[0062] Continuing to refer to Figures 2 to 4 As shown in the figure, the two ends of the inner tube 12 extend to the outside of the ends of the outer tube 13 in the axial direction, that is, the two ends of the inner tube 12 respectively protrude beyond the ends of the corresponding sides of the outer tube 13, and the first limiting plate 3 and the second limiting plate 4 are respectively connected in abutment with the two ends of the inner tube 12.

[0063] In this way, when one end of the inner tube 12 abuts against the first limiting plate 3, a first avoiding space 31 is formed between the one end of the outer tube 13 and the first limiting plate 3, that is, a first avoiding space 31 is formed between the first limiting plate 3 and the mass block 2, and when the other end of the inner tube 12 abuts against the second limiting plate 4, a second avoiding space 41 is formed between the other end of the outer tube 13 and the second limiting plate 4, that is, a second avoiding space 41 is formed between the second limiting plate 4 and the mass block 2.

[0064] It can be understood that the first avoiding space 31 and the second avoiding space 41 are respectively located on the two sides of the mass block 2 in the axial direction of the vibration-absorbing bushing 1, the mass block 2 can deform in the axial direction of the vibration-absorbing bushing 1 and can also deform in the radial direction of the vibration-absorbing bushing 1, and the first avoiding space 31 and the second avoiding space 41 can reserve deformation spaces for the vibration-absorbing bushing 1 and the mass block 2 to avoid motion interference.

[0065] In specific implementation, the outer tube 13 can be a nylon tube body or an extruded aluminum tube body formed by injection molding or extrusion molding, the inner tube 12 can be an extruded aluminum tube body formed by extrusion molding, and the vibration-absorbing rubber 11 is fixed on the outer tube 13 and the inner tube 12 by vulcanization, and the connection is stable.

[0066] It should be noted that the vibration-absorbing rubber 11 is configured to deform to absorb or release vibration energy. When the mass block 2 or the fastener 5 vibrates with the frame 6, the mass block 2 or the fastener 5 can drive the vibration-absorbing rubber 11 to deform, so as to absorb or release vibration energy through the vibration-absorbing rubber 11 and ensure the vibration damping effect.

[0067] In some embodiments, refer to Figure 7 As shown, the vibration-absorbing rubber 11 includes an inner ring 111, an outer ring 112, and a connecting rib 113. The outer ring 112 is sleeved outside the inner ring 111, and the connecting rib 113 is connected between the inner ring 111 and the outer ring 112, so that vibration energy can be transmitted between the inner ring 111, the outer ring 112, and the connecting rib 113 to absorb vibration energy from the fastener 5 or from the mass block 2.

[0068] Specifically, the inner ring 111 is disposed on the outer side wall of the inner tube 12. Specifically, it can be vulcanized onto the inner tube 12 so that the vibration-absorbing rubber 11 absorbs the vibration energy of the fastener 5 through the inner tube 12. The outer ring 112 is disposed on the inner side wall of the outer tube 13. Specifically, it can be vulcanized onto the outer tube 13 so that the vibration-absorbing rubber 11 absorbs the vibration energy of the mass block 2 through the outer tube 13.

[0069] Furthermore, the inner ring 111 can completely cover the outer wall of the inner tube 12, and the outer ring 112 can completely cover the inner wall of the outer tube 13, thus ensuring sufficient connection area and thus ensuring connection strength.

[0070] In practice, there are multiple connecting ribs 113, which are connected between the inner ring 111 and the outer ring 112. The multiple connecting ribs 113 are arranged sequentially along the circumference, and there are gaps between adjacent connecting ribs 113. In this way, the radial stiffness of the vibration-absorbing rubber 11 can be reduced, the deformation can be increased, and vibration energy can be effectively absorbed.

[0071] Specifically, the connecting ribs 113 can be arranged in a straight line, a cross shape, an H shape, or a herringbone shape, as shown in the reference. Figure 7 As shown, the included angle between two adjacent connecting ribs 113 is 90°, and they are arranged in a cross shape. Of course, the vibration-absorbing rubber 11 can also be a solid structure. This application does not limit this and can be set according to the actual situation.

[0072] In some embodiments, the vibration-absorbing bushing 1 and the mass block 2 are interference-fitted, that is, the outer tube 13 and the mass block 2 are interference-fitted, so that the vibration-absorbing bushing 1 can be fixedly connected to the mass block 2, ensuring the connection strength, realizing the stable transmission of vibration, and ensuring that the vibration energy is absorbed. The vibration-absorbing bushing 1 and the fastener 5 are clearance-fitted, that is, the inner tube 12 and the fastener 5 are clearance-fitted, which facilitates the assembly of the vibration-absorbing bushing 1 and the fastener 5.

[0073] In some embodiments, referring to Figure 3 and Figure 4 As shown, the first limiting plate 3 is provided with a first rubber body 32, which is sleeved on the outer periphery of at least part of the vibration absorbing sleeve 1 along the circumference of the vibration absorbing sleeve 1. The second limiting plate 4 is provided with a second rubber body 42, which is sleeved on the outer periphery of at least part of the vibration absorbing sleeve 1 along the circumference of the vibration absorbing sleeve 1. In this way, on the basis of the vibration absorbing effect of the vibration absorbing sleeve 1, the vibration absorbing effect can be further improved.

[0074] When the frame 6 vibrates slightly, the vibration absorbing sleeve 1 can ensure the vibration suppression effect. When the frame 6 vibrates greatly, on the basis of the vibration absorbing sleeve 1, the vibration absorbing effect of the first rubber body 32 and the second rubber body 42 can further reduce the vibration energy of the frame 6, and ensure the stability of the frame 6.

[0075] That is, the vibration absorber of the present application is applied to the frame 6 as a double-layer frequency vibration absorber, which can be assembled to the position near the rear suspension of the frame 6 through screws and other fasteners, effectively reducing the second-order vibration frequency of the frame 6, thereby greatly reducing the second-order noise in the vehicle, achieving the effect of improving the noise in the vehicle, improving the comfort of the vehicle, and indirectly improving the fatigue life of the suspension system product.

[0076] Specifically, referring to Figure 3 and Figure 4 The vibration on the frame 6 can be transmitted to the fastener 5, and then stored on the inner ring 111. The first rubber body 32 cooperates with one end of the inner ring 111, and the second rubber body 42 cooperates with the other end of the inner ring 111. In this way, the vibration energy on the inner ring 111 can be transmitted to the first rubber body 32 and the second rubber body 42, so that the first rubber body 32 and the second rubber body 42 can further absorb vibration to change the vibration frequency and avoid resonance.

[0077] It can be understood that when the mass block 2 moves relative to the fastener 5, the mass block 2 has both radial displacement and axial displacement. The axial movement can be buffered by the first rubber body 32 and the second rubber body 42, which can not only achieve the purpose of absorbing vibration energy, but also avoid abnormal noise problems.

[0078] In some embodiments, referring to Figure 3 and Figure 5As shown, the first sleeve part 321 is arranged at the center of the first rubber body 32, and the end of the at least partial vibration-absorbing sleeve 1 is inserted into the first sleeve part 321, so that the radial positioning between the vibration-absorbing sleeve 1 and the first sleeve part 321 is achieved, and the end of the at least partial vibration-absorbing sleeve 1 is in abutment with the first limiting plate 3, so that the axial positioning between the first limiting plate 3 and the vibration-absorbing sleeve 1 is achieved under the action of the fastener 5, and the connection strength is ensured.

[0079] The second sleeve part 421 is arranged at the center of the second rubber body 42, and the other end of the at least partial vibration-absorbing sleeve 1 is inserted into the second sleeve part 421, so that the radial positioning between the vibration-absorbing sleeve 1 and the second sleeve part 421 is achieved, and the other end of the at least partial vibration-absorbing sleeve 1 is in abutment with the second limiting plate 4, so that the axial positioning between the second limiting plate 4 and the vibration-absorbing sleeve 1 is achieved.

[0080] Specifically, the two ends of the inner tube 12 are in abutment with the first limiting plate 3 and the second limiting plate 4, respectively, so that even if the vibration-absorbing rubber 11 is deformed along the fastener 5, the axial displacement between the first limiting plate 3, the inner tube 12 and the second limiting plate 4 does not occur, the connection strength is high, and the structural stability is ensured.

[0081] In some embodiments, the end of the at least partial vibration-absorbing sleeve 1 and the first sleeve part 321 are clearance fitted; and / or, the other end of the at least partial vibration-absorbing sleeve 1 and the second sleeve part 421 are clearance fitted, so that the secondary vibration-absorbing is achieved while the installation difficulty is reduced.

[0082] In specific implementation, one end of the inner tube 12 and the corresponding end of the inner ring 111 on the inner tube 12 are inserted into the first sleeve part 321, and the inner side wall of the first sleeve part 321 and the outer side wall of the one end of the inner ring 111 are clearance fitted, and the other end of the inner tube 12 and the corresponding other end of the inner ring 111 on the inner tube 12 are inserted into the second sleeve part 421, and the second sleeve part 421 and the outer side wall of the other end of the inner ring 111 are clearance fitted.

[0083] It should be noted that the inner ring 111 can also be connected with the first rubber body 32 and the second rubber body 42 by clamping or riveting, which is not limited in the present application.

[0084] In some embodiments, with reference to Figure 3 and Figure 5As shown, the first rubber body 32 is located between the first limiting plate 3 and the vibration absorbing bushing 1, that is, the first rubber body 32 is arranged on the side of the first limiting plate 3 facing the vibration absorbing bushing 1, and the side of the first rubber body 32 facing the vibration absorbing bushing 1 is provided with the first protrusion 322, which can reduce the contact area with the mass 2 compared with the surface area of the first rubber body 32, thereby avoiding the problem of abnormal noise caused by large friction.

[0085] The second rubber body 42 is located between the second limiting plate 4 and the vibration absorbing bushing 1, that is, the second rubber body 42 is arranged on the side of the second limiting plate 4 facing the vibration absorbing bushing 1, and the side of the second rubber body 42 facing the vibration absorbing bushing 1 is provided with the second protrusion 422, which can reduce the contact area with the mass 2 compared with the surface area of the second rubber body 42, thereby avoiding the problem of abnormal noise caused by large friction.

[0086] Specifically, the number of the first protrusions 322 and the second protrusions 422 is multiple, the multiple first protrusions 322 are arranged at intervals along the circumference of the first rubber body 32, and the multiple second protrusions 422 are arranged at intervals along the circumference of the second rubber body 42.

[0087] Some other embodiments of the present application provide a vehicle comprising a vehicle frame 6 and the vibration absorber of any one of the above embodiments, wherein the vibration absorber is arranged on the vehicle frame 6.

[0088] The vehicle provided by the embodiments of the present application has the beneficial effects of the vibration absorber of any one of the above embodiments, and details are not described herein again.

[0089] It should be noted that, in the present document, relational terms such as“first” and“second”, and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms“comprises”,“comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by“comprises... a” does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0090] The foregoing detailed description of the application has been presented for purposes of illustration and description. Various modifications and changes can be made to these embodiments without departing from the spirit and scope of the application. It is intended that the scope of the application should not be limited by the particular representative embodiments described above.

Claims

1. A vibration absorber, characterized by, include: The vibration-absorbing bushing (1) is configured to deform to absorb or release vibration energy; Mass block (2) is sleeved outside the vibration-absorbing bushing (1); The first limiting plate (3) is connected to one side of the vibration-absorbing bushing (1); The second limiting plate (4) is connected to the other side of the vibration-absorbing bushing (1); Fastener (5) passes through the first limiting plate (3), the vibration-absorbing bushing (1) and the second limiting plate (4) in sequence to fix the first limiting plate (3), the vibration-absorbing bushing (1) and the second limiting plate (4) to the frame (6).

2. The vibration absorber of claim 1, wherein The vibration-absorbing bushing (1) includes vibration-absorbing rubber (11), an inner tube (12) and an outer tube (13); The outer tube (13) is fitted over the inner tube (12), the vibration-absorbing rubber (11) is connected between the outer side of the inner tube (12) and the inner side of the outer tube (13), the mass block (2) is fitted over the outer tube (13), and the fastener (5) passes through the inner tube (12).

3. The vibration absorber of claim 2, wherein The two ends of the inner tube (12) extend axially to the outer side of the end of the outer tube (13), and the first limiting plate (3) and the second limiting plate (4) are respectively connected to the two ends of the inner tube (12); A first clearance space (31) is formed between one end of the outer tube (13) and the first limiting plate (3), and a second clearance space (41) is formed between the other end of the outer tube (13) and the second limiting plate (4).

4. The vibration absorber of claim 2, wherein The vibration-absorbing rubber (11) includes an inner ring (111), an outer ring (112), and a connecting rib (113); The outer ring (112) is fitted over the inner ring (111), and the connecting rib (113) connects the inner ring (111) and the outer ring (112); The outer ring (112) is located on the inner wall of the outer tube (13), and the inner ring (111) is located on the outer wall of the inner tube (12).

5. The vibration absorber of claim 4, wherein The number of connecting ribs (113) is multiple, and the multiple connecting ribs (113) are arranged sequentially along the circumference, with gaps formed between adjacent connecting ribs (113).

6. The vibration absorber according to any one of claims 1 to 5, characterized in that The first limiting plate (3) is provided with a first rubber body (32), which is sleeved on at least part of the outer periphery of the vibration-absorbing bushing (1) along the circumferential direction; The second limiting plate (4) is provided with a second rubber body (42), which is sleeved on at least part of the outer periphery of the vibration-absorbing bushing (1) along the circumferential direction of the vibration-absorbing bushing (1).

7. The vibration absorber of claim 6, wherein The first rubber body (32) has a first sleeve portion (321) at its center. At least one end of the vibration-absorbing bushing (1) is inserted into the first sleeve portion (321) and abuts against the first limiting plate (3) for limiting. The second rubber body (42) has a second sleeve portion (421) at its center. At least part of the other end of the vibration-absorbing bushing (1) is inserted into the second sleeve portion (421) and abuts against the second limiting plate (4) for limiting.

8. The vibration absorber of claim 7, wherein At least one end of the vibration-absorbing bushing (1) is clearance-fitted with the first sleeve portion (321); And / or, the other end of the vibration-absorbing bushing (1) is clearance-fitted with the second sleeve portion (421).

9. The vibration absorber of claim 6, wherein, The first rubber body (32) is located between the first limiting plate (3) and the vibration-absorbing bushing (1), and a side of the first rubber body (32) facing the vibration-absorbing bushing (1) is provided with a first protrusion (322); And / or, the second rubber body (42) is located between the second limiting plate (4) and the vibration-absorbing bushing (1), and a side of the second rubber body (42) facing the vibration-absorbing bushing (1) is provided with a second protrusion (422).

10. A vehicle characterized by comprising: A vehicle frame (6) and a vibration absorber according to any one of claims 1 to 9, wherein the vibration absorber is connected to the vehicle frame (6).

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