CN113217575B - Abnormal sound prevention suspension structure comprising plastic structure - Google Patents
Abnormal sound prevention suspension structure comprising plastic structure Download PDFInfo
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- CN113217575B CN113217575B CN202110448012.0A CN202110448012A CN113217575B CN 113217575 B CN113217575 B CN 113217575B CN 202110448012 A CN202110448012 A CN 202110448012A CN 113217575 B CN113217575 B CN 113217575B
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- 239000000725 suspension Substances 0.000 title claims abstract description 46
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 34
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- 230000002265 prevention Effects 0.000 title claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 68
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 6
- 239000013013 elastic material Substances 0.000 claims abstract description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 239000010985 leather Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
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- 229910052751 metal Inorganic materials 0.000 abstract description 4
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- 210000002469 basement membrane Anatomy 0.000 description 2
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/101—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by buffering features or stoppers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
- F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
- F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
- F16F13/108—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of plastics springs, e.g. attachment arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses an abnormal sound prevention suspension structure comprising a plastic structure, which comprises a rubber main spring, wherein the middle part of the top end of the rubber main spring is provided with a main spring inner framework, the inside of the main spring inner framework is provided with a connecting structure in a matching way, the outer side of the bottom end of the rubber main spring is provided with a main spring support, the bottom of the main spring support is provided with a base, the top of the main spring support is provided with a limiting framework, the limiting framework is covered on the outer side of the rubber main spring, the outer side of the top end of the rubber main spring is provided with a rubber bump, the inner wall of the limiting framework is provided with a buffer structure layer, the buffer structure layer is designed between the limiting framework and the rubber bump, the collision between the limiting framework and the rubber bump can be effectively buffered, the rubber and metal friction is changed into rubber and plastic friction, the generation of abnormal friction sound is avoided, the NVH performance of a vehicle is improved, the buffer structure layer is made of thermoplastic elastic materials, the forming process is simple, and the cost is low, the elastic buffer effect is good.
Description
Technical Field
The invention relates to the field of automobile suspensions, in particular to an abnormal sound prevention suspension structure comprising a plastic structure.
Background
Noise, Vibration and Harshness (NVH) of the automobile are called as NVH (Noise, Vibration and Harshness) for short, are a comprehensive problem for measuring the manufacturing quality of the automobile, the Noise, Vibration and Harshness gives the automobile users the most direct and superficial feeling, and the NVH is more and more concerned by people as the requirements of the consumers on the riding comfort are increasingly higher. The power assembly suspension is a connecting part assembly between an engine and a vehicle body, and mainly has the functions of supporting and positioning the power assembly, blocking vibration generated by the power assembly as much as possible from being transmitted to a vehicle chassis and the vehicle body, isolating vibration of wheels and a suspension system caused by uneven roads, preventing the vibration from being transmitted to the power assembly, and avoiding aggravation of vibration of the power assembly.
The suspension structure types include rubber suspension, hydraulic suspension, air suspension and the like, wherein the rubber suspension has a compression/shearing structure, a wedge-shaped seat structure and a bushing bracket structure, which belong to the common structure forms, and have certain limitation on the damping performance of a power assembly.
Because the automobile is under transient operating modes such as rapid acceleration, rapid deceleration, sharp turn, etc., the power assembly can produce great displacement in the short time, make the automobile produce great pause and contort and abnormal sound, some current suspensions are in order to limit the displacement of the power assembly when the automobile is going, in order to avoid the power assembly to collide with adjacent part and interfere, and reduce pause and contort and abnormal sound, set up the limit structure formed by rubber ram and spacing skeleton usually in the outside of the suspension, utilize rubber ram and spacing skeleton to collide with and rub, reach certain buffering when the power assembly is great displacement and rotatory, but spacing skeleton is generally made by metal materials such as panel beating or cast aluminium, it produces the friction abnormal sound easily between rubber spare, under the lower circumstances of ambient temperature, the abnormal sound is more obvious, seriously influence the driving experience and NVH performance of the automobile.
To solve the above abnormal sound problem, chinese patent document CN202010363779.9 discloses a structure for solving the abnormal sound of a suspension turning, wherein a person skilled in the art generally applies lubricating oil or lubricating grease between a rubber bump and a limiting structure to reduce the friction between the rubber bump and the limiting structure, so as to reduce the abnormal sound of the suspension turning, on one hand, the lubricating oil and the lubricating grease are easy to run off, even some lubricating oil overflows to the surface of a product to form greasy dirt to affect the appearance quality, thereby causing customer complaints, on the other hand, the rubber bump and the limiting structure are easy to deteriorate under high temperature conditions or under limit working conditions, so that the scheme cannot eliminate the abnormal sound of the friction for a long time, chinese utility model CN201620601968.4 discloses a rubber suspension device capable of solving the abnormal sound, wherein a plurality of floating points are arranged on the surface of the rubber bump, the positions of the floating points correspond to the positions of the limiting plates, the friction area is reduced by the contact of the floating points, and the generation of the abnormal sound can only be reduced to a certain extent, but does not solve the problem more thoroughly.
Disclosure of Invention
The invention aims to provide an abnormal sound prevention suspension structure comprising a plastic structure, which effectively prevents abnormal sound generated when a power assembly is displaced greatly.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides an abnormal sound prevention suspension structure containing plastic structure, includes the suspension main part, the suspension main part includes rubber main spring, main liquid chamber, follows liquid chamber, runner baffle and leather cup basement membrane, the top middle part of rubber main spring is provided with main spring inner frame, draw bail is installed to main spring inner frame's inside cooperation, the bottom outside of rubber main spring is provided with main spring support, the bottom of main spring support is provided with the base, the top of main spring support is provided with spacing skeleton, spacing skeleton cover is established the outside of rubber main spring, the top outside of rubber main spring is provided with rubber and hits the piece, be provided with buffer structure layer on the inner wall of spacing skeleton.
In above-mentioned suspension structure, through the internal surface at spacing skeleton setting buffer structure layer, under operating modes such as vehicle rapid acceleration, rapid deceleration, sharp turn, the rubber of suspension hits when piece and spacing skeleton bump and relative rotation, provides the striking buffering, and turns into the friction between plastic part and the rubber part with the friction between the metal of spacing skeleton and the rubber part to can prevent effectively that the suspension from producing the friction abnormal sound when receiving the impact, improve vehicle NVH performance.
As an improvement of the invention, the buffer structure layer is made of thermoplastic elastic material. Because the material has the dynamic processing performance of thermoplastic plastics, is convenient to process and form, and has the flexibility and the elasticity of the elastomer, the buffer structure layer is designed into an integral injection molding structure, and integrally wraps the limiting framework, so that the buffer and abnormal sound prevention effects are good.
As another improvement of the invention, a hollow structure is arranged on one side of the buffer structure layer away from the limiting framework, and hollow holes of the hollow structure are arranged in a penetrating manner along the width direction of the buffer structure layer. When the striking takes place, hollow out construction can provide great deflection slowly-releasing striking energy, avoids rubber to hit the contact extrusion face shear damage of piece and buffer structure layer, and porous structure also has certain noise reduction effect simultaneously, further improves the NVH performance of vehicle.
As another improvement of the present invention, the limiting frame and the buffer structure layer are bonded and fixed, preferably, a plurality of fastening holes are formed in the surface of the limiting frame, fastening protrusions corresponding to the fastening holes are formed in the surface of the buffer structure layer, and the fastening protrusions are embedded and fixed in the fastening holes. Through the sticking and the mutually embedded clamping hole and clamping convex structure, the buffer structure layer is firmly fixed, and the offset and dislocation are avoided during the collision.
As another improvement of the invention, the impact side surface of the rubber impact block is provided with a wave-shaped bulge structure, and the wave crest bulge in the middle part is higher than the wave crest bulges on the two sides. Under the working condition that a power device generates large displacement in the running process of a vehicle, the rubber collision block is in contact with the limiting framework for limiting, the rigidity can rise rapidly, the wavy structural design can realize nonlinear rigidity change, the rigidity change is firstly slowly and then rapidly increased, the buffering effect is good, and therefore the NVH performance is improved.
In conclusion, by adopting the suspension structure, the buffer structure layer is designed between the limit framework and the rubber bump block, so that the collision can be effectively buffered, the rubber bump block is prevented from being in direct contact friction with the limit framework, the rubber bump block is replaced by the friction between rubber and plastic, the generation of friction abnormal sound is avoided, the NVH performance of the vehicle is improved, in addition, the buffer structure layer is made of thermoplastic elastic materials, the forming process is simple, the cost is low, and the elastic buffering effect is good.
Drawings
In the drawings:
fig. 1 is an overall structural view of a first embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of a first embodiment of the present invention.
Fig. 3 is a schematic structural view of a limiting skeleton according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a buffer structure layer according to a first embodiment of the invention.
Fig. 5 is a schematic structural diagram of a suspension body according to a first embodiment of the present invention.
Fig. 6 is a schematic view of a coupling structure of the first embodiment of the present invention.
Fig. 7 is an overall sectional structural view of a second embodiment of the present invention.
In the figure: 1. a rubber main spring; 2. a main liquid chamber; 3. a secondary liquid chamber; 4. a flow passage partition plate; 5. a leather cup basement membrane; 6. a main spring inner frame; 7. a coupling structure; 8. a main spring support; 9. a base; 10. a limiting framework; 11. a rubber bump; 12. a buffer structure layer; 13. a hollow structure; 14. a clamping hole; 15. clamping convex; 16. a first rubber bump; 17. a second rubber bump; 18. assembling the mounting hole; 19. riveting holes; 20. riveting; 21. a convex clamping block; 22. an insertion body; 23. a placement object; 24. a linker; 25. bolt holes; 26. a water drainage groove.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto.
Fig. 1 to 6 show a first embodiment of an abnormal noise prevention suspension structure including a plastic structure according to the present invention, as shown in fig. 1 and 2, the suspension comprises a suspension main body, a limiting framework 10 with a structure in a shape like a Chinese character 'ji' and a connecting structure 7, wherein the suspension main body comprises a rubber main spring 1, a main liquid chamber 2, a secondary liquid chamber 3, a flow passage partition plate 4 and a leather cup bottom film 5, the rubber main spring 1 is conical, the main spring support seat is integrally vulcanized with a main spring support seat 8 and a main spring inner framework 6 in a rubber vulcanization mode, a connecting structure 7 is inserted into the main spring inner framework 6 in the Y direction, a base 9 at the bottom of the main spring support seat 8 covers a protective support, the top of the main spring support seat 8 is covered with a limiting framework 6 to form a limiting position, a rubber collision block 11 is arranged on the outer side of the top end of the rubber main spring 1, the rubber collision block 11 wraps the periphery of the main spring inner framework 10, and a buffer structure layer 12 made of thermoplastic elastic materials is arranged on the inner wall of the limiting framework 10.
When the automobile collision buffer structure is used, under transient working conditions of rapid acceleration, rapid deceleration, sharp turning and the like, a power assembly generates large displacement relative to a chassis, the main spring inner framework 6 is driven to move through the connecting structure 7 and collides with the limiting framework 10, mainly the collision in the X direction or the Z direction, and the rubber collision block 11 directly collides and contacts the buffer structure layer 12 with good flexibility and elasticity instead of a cast steel, a sheet metal, a cast aluminum or a forged aluminum or other metal surfaces, so that the collision energy can be buffered, the abnormal sound generated by relative rotation friction between the two can be effectively avoided, and the NVH performance of the automobile is improved.
As shown in fig. 4, one side that spacing skeleton 10 was kept away from to buffer structure layer 12 is provided with hollow out construction 13, hollow out construction 13's hollow hole link up along buffer structure layer 12's width direction and arranges, at the in-process of striking, hollow out construction 13 is earlier by extrusion deformation, can produce bigger deflection in order to provide better buffering effect, prevent striking and the damage that rubs piece 11 and buffer structure layer 12 to rubber, porous structure can provide certain noise reduction effect simultaneously, further improve the NVH performance of car, the shape of hollow out hole can be circular, oval or rhombus etc..
As shown in fig. 3, the spacing skeleton 10 of several fonts is provided with a plurality of card holes 14 on the surface, as shown in fig. 4, buffer structure layer 12 is integrative injection moulding structure, the shape of just laminating on the inboard surface of spacing skeleton 10 has, it is fixed through bonding between the two, in addition in order to make fixed firm between the two, be equipped with the card protruding 15 corresponding with card hole 14 on buffer structure layer 12's surface, fix the embedding of card protruding 15 in card hole 14, carry out spacing fixed, also can stretch out card hole 14 part electrical heating with card protruding 15 and melt the after-fixing, spacing skeleton 10 can adopt cast steel, the panel beating, cast aluminium or forged aluminium make, it improves structural strength to increase flanging structure in the edge.
As shown in fig. 5, the impact side surface of the rubber impact block 11 is provided with a wave-shaped protrusion structure, the protrusion of the wave peak in the middle is higher than the protrusions of the wave peaks on both sides, under the working condition of large displacement in the running process of the vehicle, the rubber impact block 11 is in contact with the limiting framework 10 for limiting, the wave-shaped contact surface design can realize nonlinear rigidity change, the rigidity rising speed is slowed down, the buffering effect is good, and therefore the NVH performance is improved. The rubber bump 11 comprises a first rubber bump 16 symmetrically arranged at two sides of the top end of the main rubber spring 1 in the X direction and used for limiting displacement of the X, and a second rubber bump 17 arranged at the bottom of the connecting structure 7 and used for limiting displacement in the negative Z direction and avoiding hard contact collision between the connecting structure 7 (shown in figure 6) and the main spring support 8 to influence NVH performance and reliability.
As shown in fig. 5, the main spring support 8 is provided with a strip rivet 20, and the middle parts of the two side legs of the limiting framework 10 are correspondingly provided with square rivet holes 19 (as shown in fig. 3), so that the main spring support and the limiting framework 10 are riveted and assembled together (as shown in fig. 1), and then fixed on the vehicle body longitudinal beam through four assembly mounting holes 18 shared by the main spring support 8 and the limiting framework 10.
The connecting structure 7 shown in fig. 6 comprises three parts, namely an inserting body 22, a yielding body 23 and a connecting body 24, wherein the inserting body 22 is press-fitted in a square annular hole of the main spring inner frame 6 in an interference fit manner, and a protruding fixture block 21 (shown in fig. 5) on the hole wall of the main spring inner frame 6 can increase the interference magnitude, so that the inserting body 22 is ensured not to fall off easily under the working conditions that a vehicle is subjected to sudden acceleration, deceleration and turning and the power assembly is subjected to large displacement; the connecting body 24 is provided with a bolt hole 25 which can be connected with the end of an engine; the connecting body 24 is provided with the drainage groove 26, so that the phenomena of water accumulation and dust collection caused by suspension are avoided, and better sensory experience is achieved after a client opens the engine hood; the retainer 23 has a smooth transition surface to enhance the structural strength and provide a certain avoidance space during the Y-direction movement.
Fig. 7 shows a second embodiment of the abnormal sound prevention suspension structure comprising a plastic structure, which is mainly different from the first embodiment in that the limiting framework 10 is an inverted cylindrical structure, a through hole is formed in the center of the top surface, the connecting structure 7 penetrates through the through hole and is inserted into the main spring inner framework 6 in the Z direction, and the rubber bump 11 is wrapped on the outer flange structure of the main spring inner framework 6. Similarly, a buffer structure layer 12 is arranged on the inner side of the limiting framework 10.
When the automobile collision buffer structure is used, under transient working conditions of rapid acceleration, rapid deceleration, sharp turning and the like, a power assembly generates large displacement relative to a chassis, the main spring inner framework 6 is driven to move through the connecting structure 7 and collides with the limiting framework 10, and the collision in the X direction, the Y direction or the Z direction is realized.
The present invention is not limited to the above two embodiments. For example, in other suspension structure types with other shapes of the limit skeleton 10 constituting the limit structure, the buffer structure layer 12 can be added on the inner wall of the suspension structure, so that the NVH performance of the automobile is improved. Also, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The abnormal sound prevention suspension structure comprises a suspension main body, wherein the suspension main body comprises a rubber main spring (1), a main liquid chamber (2), a secondary liquid chamber (3), a flow passage partition plate (4) and a leather cup bottom film (5), a main spring inner framework (6) is arranged in the middle of the top end of the rubber main spring (1), a connecting structure (7) is installed in the main spring inner framework (6) in a matching mode, a main spring support (8) is arranged on the outer side of the bottom end of the rubber main spring (1), a base (9) is arranged at the bottom of the main spring support (8), a limiting framework (10) is arranged at the top of the main spring support (8), the limiting framework (10) is covered on the outer side of the rubber main spring (1), a rubber collision block (11) is arranged on the outer side of the top end of the rubber main spring (1), and the abnormal sound prevention suspension structure is characterized in that a buffer structure layer (12) is arranged on the inner wall of the limiting framework (10), buffer structure layer (12) are made by thermoplastic elastic material the plastic structure, buffer structure layer (12) are kept away from one side of spacing skeleton (10) is provided with hollow out construction (13), hollow out hole edge of hollow out construction (13) the width direction of buffer structure layer (12) link up and arrange.
2. The abnormal sound prevention suspension structure comprising a plastic structure as claimed in claim 1, wherein: the limiting framework (10) and the buffer structure layer (12) are bonded and fixed.
3. The abnormal sound prevention suspension structure comprising a plastic structure according to claim 2, wherein: the surface of the limiting framework (10) is provided with a plurality of clamping holes (14), the surface of the buffer structure layer (12) is provided with clamping protrusions (15) corresponding to the clamping holes (14), and the clamping protrusions (15) are embedded and fixed in the clamping holes (14).
4. The abnormal sound prevention suspension structure comprising a plastic rubber structure as claimed in claim 1, wherein: the rubber bumps (11) are provided with wave-shaped protruding structures on the bump side faces, and the peak protrusions in the middle are higher than those on the two sides.
5. An abnormal sound prevention suspension structure comprising a plastic structure according to any one of claims 1 to 4, wherein: the limiting framework (10) is of a structure in a shape like a Chinese character 'ji', the connecting structure (7) is inserted into the main spring inner framework (6) in the Y direction, and the rubber collision blocks (11) comprise first rubber collision blocks (16) symmetrically arranged on two sides of the top end of the rubber main spring (1) in the X direction and second rubber collision blocks (17) arranged at the bottom of the connecting structure (7).
6. The abnormal sound prevention suspension structure comprising a plastic structure according to claim 5, wherein: assembling and mounting holes (18) are correspondingly formed in the two side feet of the limiting framework (10) and the supporting plate of the main spring support (8), riveting holes (19) are further formed in the two side feet of the limiting framework (10), and rivets (20) are arranged at the positions, corresponding to the riveting holes (19), of the main spring support (8).
7. The abnormal sound prevention suspension structure comprising a plastic structure according to claim 5, wherein: the main spring inner frame (6) is of a square annular hole structure, a rubber layer is vulcanized and bonded on the inner surface of the main spring inner frame (6), and a plurality of strip-shaped protruding clamping blocks (21) are arranged on four surfaces of the main spring inner frame respectively.
8. The abnormal sound prevention suspension structure comprising a plastic structure as claimed in claim 7, wherein: coupling structure (7) are including the plug body (22), let position body (23) and connector (24), plug body (22) embedding is fixed in the hole of main spring inner frame (6), the tip of connector (24) is provided with bolt hole (25), be provided with water drainage tank (26) in the main part of connector (24), let position body (23) do plug body (22) with the rounding off structure between connector (24).
9. An abnormal sound prevention suspension structure comprising a plastic structure according to any one of claims 1 to 4, wherein: the limiting framework (10) is of an inverted cylindrical structure, a through hole is formed in the center of the top surface, and the connecting structure (7) penetrates through the through hole and is inserted into the main spring inner framework (6) in the Z direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448012.0A CN113217575B (en) | 2021-04-25 | 2021-04-25 | Abnormal sound prevention suspension structure comprising plastic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110448012.0A CN113217575B (en) | 2021-04-25 | 2021-04-25 | Abnormal sound prevention suspension structure comprising plastic structure |
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| Publication Number | Publication Date |
|---|---|
| CN113217575A CN113217575A (en) | 2021-08-06 |
| CN113217575B true CN113217575B (en) | 2022-05-31 |
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| CN202110448012.0A Active CN113217575B (en) | 2021-04-25 | 2021-04-25 | Abnormal sound prevention suspension structure comprising plastic structure |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9038995B2 (en) * | 2011-07-15 | 2015-05-26 | Bridgestone Corporation | Vibration isolator |
| WO2015145672A1 (en) * | 2014-03-27 | 2015-10-01 | 住友理工株式会社 | Anti-vibration device |
| CN205371443U (en) * | 2015-12-13 | 2016-07-06 | 华晨汽车集团控股有限公司 | Engine hydraulic suspension |
| CN107366710A (en) * | 2017-08-25 | 2017-11-21 | 启东永兴橡胶制品有限公司 | A kind of hydraulic mount of two grad vibration isolation |
| CN111409438A (en) * | 2020-04-30 | 2020-07-14 | 华晨鑫源重庆汽车有限公司 | Solve structure that suspension turn produced abnormal sound |
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2021
- 2021-04-25 CN CN202110448012.0A patent/CN113217575B/en active Active
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