CN112555331A - Hydraulic bushing for auxiliary frame of automobile - Google Patents
Hydraulic bushing for auxiliary frame of automobile Download PDFInfo
- Publication number
- CN112555331A CN112555331A CN202011337300.0A CN202011337300A CN112555331A CN 112555331 A CN112555331 A CN 112555331A CN 202011337300 A CN202011337300 A CN 202011337300A CN 112555331 A CN112555331 A CN 112555331A
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- CN
- China
- Prior art keywords
- rubber
- wall
- supporting
- main
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 167
- 239000005060 rubber Substances 0.000 claims abstract description 167
- 239000007788 liquid Substances 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000004073 vulcanization Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 239000011241 protective layer Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
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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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3842—Method of assembly, production or treatment; Mounting thereof
- F16F1/3856—Vulcanisation or gluing of interface between rigid and elastic sleeves
Abstract
The invention discloses a hydraulic bushing for an automobile auxiliary frame, which comprises an inner pipe, a supporting framework and an outer pipe, wherein the supporting framework is arranged in the outer pipe, the inner pipe is arranged in the supporting framework, the inner pipe is connected with the outer pipe through a rubber main spring, and the supporting framework is arranged in the rubber main spring. The advantage is simple structure, realizes hitting the piece with the rubber that is used for playing axial limit function and directly integrates to rubber main spring vulcanizes the piece, vulcanizes the shaping together through same vulcanization process with rubber main spring, has effectively reduced the vulcanization cost to manufacturing cost's reduction has been realized.
Description
Technical Field
The invention relates to a hydraulic bushing, in particular to a hydraulic bushing for an automobile auxiliary frame.
Background
The automobile auxiliary frame bushing is mainly used for connecting a vehicle body and an auxiliary frame and is an anti-vibration element which has restraining and protecting effects on motion trends. The conventional hydraulic bushing needs to vulcanize the rubber main spring and additionally vulcanize a rubber bump block on an inner turn-over edge at the upper part of the outer pipe, so at least two vulcanizing processes are needed, but the vulcanizing process has higher cost, so that the integral production and manufacturing cost is higher; the rubber bump block is additionally vulcanized on the inner flange at the upper part of the outer tube, so that the outer tube is required to be in an irregular shape, the forming process of the irregular-shaped outer tube is complex, the requirement on the performance of the raw materials of the outer tube is high, the manufacturing cost of the outer tube is high, and the reason for high overall production and manufacturing cost is also one of the reasons.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hydraulic bushing for an automobile auxiliary frame, which has a simple structure and low production cost.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a hydraulic pressure bush is used to car sub vehicle frame, includes inner tube, supporting framework and outer tube, supporting framework set up the outer tube in, the inner tube set up supporting framework in, the inner tube with the outer tube between be connected through rubber main spring, supporting framework set up rubber main spring in, the lateral wall of inner tube on the arch be provided with two spacing lugs, two spacing lug relatively and establish, the outside cladding of spacing lug be provided with rubber formation rubber and hit the piece, rubber hit the piece with rubber main spring integrated into one piece set up.
The supporting framework divides the rubber main spring into an inner rubber main spring and an outer rubber main spring, the inner pipe is connected with the supporting framework through the inner rubber main spring, and the supporting framework is connected with the outer pipe through the outer rubber main spring.
The supporting framework comprises an upper supporting ring and a lower supporting ring which are arranged at an upper interval and a lower interval, the upper supporting ring and the lower supporting ring are connected through two supporting walls, the two supporting walls are arranged oppositely, the inner layer rubber main spring comprises two main supporting ribs which are arranged oppositely, the inner wall of each supporting wall is connected with the outer wall of the inner pipe through one main supporting rib, the upper parts of the two main supporting ribs are connected with the inner wall of the upper supporting ring through an upper rubber connecting sheet in a sealing way, the lower parts of the two main supporting ribs are connected with the inner wall of the lower supporting ring through a lower rubber connecting sheet in a sealing way, a closed liquid cavity is formed between the side wall of the main supporting rib, the lower end face of the upper rubber connecting sheet, the upper end face of the lower rubber connecting sheet and the inner wall of the outer pipe, each liquid cavity is internally provided with one rubber bump block in a protruding mode. The supporting framework has a simple structure, and provides enough space for the arrangement of the rubber collision block on the basis of ensuring the stable supporting function; the main supporting ribs are used for playing a main supporting role, and a closed liquid cavity is formed by the side walls of the main supporting ribs, the lower end face of the upper rubber connecting sheet, the upper end face of the lower rubber connecting sheet and the inner wall of the outer pipe, so that the structure is simple, the piston area of the liquid cavity can be increased to the maximum extent, and a damping foundation and better fatigue performance are ensured; the liquid chamber provides sufficient space for the setting of the rubber collision block, the rubber collision block is arranged in the liquid chamber, the area of the piston cannot be reduced at first, damping can be effectively ensured, and then the collision surface of the rubber collision block can be designed to be large, so that the strength of the limiting convex block and the fatigue of the rubber collision block are ensured.
The upper end of the upper supporting ring is bent outwards horizontally to form an annular upper limit part, the lower end of the lower supporting ring is bent outwards horizontally to form an annular lower limit part, and the outer pipe is located between the upper limit part and the lower limit part. Through the cooperation of last spacing portion with spacing portion down, realize the stable location installation of outer tube.
The outer layer rubber main spring comprises an upper rubber connecting wall used for connecting the outer wall of the upper supporting ring with the inner wall of the outer pipe and a lower rubber connecting wall used for connecting the outer wall of the lower supporting ring with the inner wall of the outer pipe, the outer wall of each supporting wall is connected with the inner wall of the outer pipe through an outer connecting main spring, the upper end of each outer connecting main spring is integrally connected with the upper rubber connecting wall, the lower end of each outer connecting main spring is integrally connected with the lower rubber connecting wall, and a flow channel used for realizing that the two liquid chambers are communicated and liquid flows in the two liquid chambers is arranged in each outer connecting main spring. The structure realizes the stable connection and installation between the outer pipe and the supporting framework, ensures the sealing performance of the liquid cavity, and the outer connecting main spring plays a main supporting and connecting role; the fluid in the two fluid chambers flows into each other through the flow channel.
The support wall is provided with a concave part in an inward concave mode, and the flow channel is located in the outer connecting main spring arranged in the concave part. The recess provided in the support wall provides sufficient space for the installation or placement of the flow channel.
The upper rubber connecting wall is provided with an annular locking groove which is inwards sunken, and the upper end of the outer tube is inwards bent and embedded in the annular locking groove. Realize the more stable installation of outer tube and support, avoid taking place the risk of disconnection between outer tube and the outer rubber main spring, further ensure the leakproofness of sap cavity.
And the upper support ring is provided with an annular recess at the position corresponding to the annular locking groove. Sufficient space is provided for the bending installation of the upper end of the outer tube through the annular recess.
The upper end surface of the upper limiting part is coated with rubber to form an upper rubber protective layer, the inner end and the outer end of the upper rubber protective layer are respectively connected with the upper rubber connecting sheet and the upper rubber connecting wall integrally, and an upper rubber collision block is arranged on the upper rubber protective layer in an upward protruding mode. The upper limiting part provides enough space for the upper rubber protective layer, and the upper rubber protective layer can prevent the upper supporting ring from contacting with external air and water, so that the integral corrosion resistance is ensured; the upper rubber bump block is used for providing axial shock absorption and buffering action, and when the upper rubber bump block is used on an automobile, the riding comfort of the automobile in the using process can be improved, in addition, hard collision between the outer pipe and the boundary of the automobile body can be avoided, and noise is reduced.
The lower end surface of the lower limiting part forms a lower rubber protective layer through rubber coating, the inner end and the outer end of the lower rubber protective layer are respectively connected with the lower rubber connecting sheet and the lower rubber connecting wall integrally, and a lower rubber bump is arranged on the lower rubber protective layer in a downward protruding mode. The lower limiting part provides enough space for the arrangement of the lower rubber protective layer, and the arrangement of the lower rubber protective layer can prevent the lower support ring from contacting with external air and water, so that the integral corrosion resistance is ensured; the lower rubber bump block is used for providing axial shock absorption and buffering action, and when the lower rubber bump block is used on an automobile, riding comfort of the automobile in the using process can be improved, in addition, hard collision between the outer pipe and the boundary of the automobile body can be avoided, and noise is reduced.
The inner tube on be provided with the liquid filling mouth, the lateral wall of inner tube on be provided with the liquid filling passageway that is linked together of liquid filling mouth, the liquid filling passageway have with one of them the liquid inlet that the sap cavity is linked together, the liquid filling mouth on sealed be provided with the encapsulation steel ball. The liquid is convenient to be poured into the liquid cavity, and the steel balls are packaged to realize the integral sealing performance after the liquid pouring is finished. Need not to use traditional filling technology under the liquid through above-mentioned structure and can realize irritating the liquid for this bush can use conventional cylindric outer tube, has effectively reduced manufacturing cost.
The upper end surface of the upper rubber collision block is provided with a plurality of anti-noise salient points in a protruding mode. The noise-proof salient points arranged on the upper rubber block are used for preventing abnormal sound in the using process of the bushing.
The lower end face of the lower rubber collision block is provided with a plurality of noise-proof salient points in a downward protruding mode. The noise-proof salient points arranged on the lower rubber block are used for preventing abnormal noise in the using process of the bushing.
Compared with the prior art, the invention has the advantages that: simple structure, the protruding spacing lug that sets up two relative and establish on the lateral wall of inner tube, the outside cladding of spacing lug is provided with rubber and forms rubber and hits the piece, and two rubbers hit the piece and set up with rubber main spring integrated into one piece, realize hitting the piece direct integration to rubber main spring vulcanization piece with the rubber that plays the axial limit function, and vulcanization shaping together through same vulcanization process with rubber main spring has effectively reduced the vulcanization cost to manufacturing cost's reduction has been realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first cross-sectional structural view of the present invention;
FIG. 3 is a second cross-sectional structural view of the present invention;
FIG. 4 is a first cross-sectional structural view of the main rubber spring of the present invention;
FIG. 5 is a second cross-sectional view of the main rubber spring of the present invention;
FIG. 6 is a schematic front view of the support frame of the present invention;
FIG. 7 is a schematic perspective view of a support frame according to the present invention;
fig. 8 is a perspective view of the inner tube of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 8, a hydraulic bushing for an automobile subframe comprises an inner tube 1, a supporting framework 2 and an outer tube 3, wherein the supporting framework 2 is arranged in the outer tube 3, the inner tube 1 is arranged in the supporting framework 2, the inner tube 1 is connected with the outer tube 3 through a rubber main spring, the supporting framework 2 is arranged in the rubber main spring, two limiting convex blocks 11 are convexly arranged on the outer side wall of the inner tube 1, the two limiting convex blocks 11 are arranged oppositely, a rubber forming rubber collision block 12 is arranged outside the limiting convex blocks 11 in a wrapping mode, and the rubber collision block 12 and the rubber main spring 4 are arranged in an integrated forming mode.
In this embodiment, the supporting frame 2 divides the rubber main spring 4 into an inner rubber main spring and an outer rubber main spring, the inner pipe 1 is connected with the supporting frame 2 through the inner rubber main spring, and the supporting frame 2 is connected with the outer pipe 3 through the outer rubber main spring.
In this embodiment, the supporting frame 2 includes an upper supporting ring 21 and a lower supporting ring 22 which are arranged at an interval from top to bottom, the upper supporting ring 21 is connected with the lower supporting ring 22 through two supporting walls 23, the two supporting walls 23 are arranged oppositely, the inner rubber main spring includes two main supporting ribs 41 which are arranged oppositely, the inner wall of each supporting wall 23 is connected with the outer wall of the inner pipe 1 through one main supporting rib 41, the upper parts of the two main supporting ribs 41 are connected with the inner wall of the upper supporting ring 21 through an upper rubber connecting sheet 42 in a sealing manner, the lower parts of the two main supporting ribs 41 are connected with the inner wall of the lower supporting ring 22 through a lower rubber connecting sheet 43 in a sealing manner, the side wall of the main supporting rib 41 and the lower end surface of the upper rubber connecting sheet 42, a closed liquid cavity 5 is formed between the upper end surface of the lower rubber connecting sheet 43 and the inner wall of the outer tube 3, and a rubber bump 12 is convexly arranged in each liquid cavity 5. The supporting framework 2 has a simple structure, and provides enough space for the arrangement of the rubber collision block 12 on the basis of ensuring the stable supporting function; the main supporting ribs 41 are used for playing a main supporting role, and a closed liquid cavity 5 is formed by the side walls of the main supporting ribs 41, the lower end face of the upper rubber connecting sheet 42, the upper end face of the lower rubber connecting sheet 43 and the inner wall of the outer tube 3, so that the structure is simple, the piston area of the liquid cavity 5 can be increased to the maximum extent, and a damping foundation and better fatigue performance are ensured; the liquid cavity 5 provides enough space for the arrangement of the rubber bump 12, the rubber bump 12 is arranged in the liquid cavity 5, firstly, the piston area cannot be reduced, damping can be effectively ensured, secondly, the impact surface of the rubber bump 12 can be designed to be large, and the strength of the limiting convex block 11 and the fatigue of the rubber bump 12 are ensured.
In this embodiment, the upper end of the upper support ring 21 is bent horizontally outwards to form an annular upper limit portion 211, the lower end of the lower support ring 22 is bent horizontally outwards to form an annular lower limit portion 221, and the outer tube 3 is located between the upper limit portion 211 and the lower limit portion 221. The stable positioning and attachment of the outer tube 3 is achieved by the engagement of the upper positioning portion 211 and the lower positioning portion 221.
In this embodiment, the outer rubber main spring includes an upper rubber connecting wall 44 for connecting the outer wall of the upper support ring 21 with the inner wall of the outer tube 3 and a lower rubber connecting wall 45 for connecting the outer wall of the lower support ring 22 with the inner wall of the outer tube 3, the outer wall of each support wall 23 is connected with the inner wall of the outer tube 3 through an outer main connecting spring 46, the upper end of the outer main connecting spring 46 is integrally connected with the upper rubber connecting wall 44, the lower end of the outer main connecting spring 46 is integrally connected with the lower rubber connecting wall 45, and a flow passage 6 for communicating the two liquid chambers 5 and allowing liquid to flow in the two liquid chambers 5 is provided in the outer main connecting spring 46. The structure realizes stable connection and installation between the outer pipe 3 and the supporting framework 2, ensures the sealing performance of the liquid cavity 5, and the outer connecting main spring 46 plays a main supporting and connecting role; the fluid in the two fluid chambers 5 flows through the flow channel 6.
In this embodiment, the support wall 23 is recessed inwardly to form a recess 231, and the flow passage 6 is located in the outer connecting main spring 46 disposed in the recess 231. The recess 231 provided in the support wall 23 provides sufficient space for installation or placement of the flow channel 6.
In this embodiment, the upper rubber connecting wall 44 is provided with an annular locking groove 441 inwardly, and the upper end of the outer tube 3 is inwardly bent and embedded in the annular locking groove 441. Realize outer tube 3 more for stable installation and support, avoid taking place the risk of breaking away from the connection between outer tube 3 and the outer rubber mainspring, further ensure the leakproofness of sap cavity 5.
In this embodiment, the upper support ring 21 is provided with an annular recess 212 at a position corresponding to the annular locking recess 441. Sufficient space is provided for the bending installation of the upper end of the outer tube 3 by the annular recess 212.
In this embodiment, the upper end surface of the upper positioning portion 211 is covered with rubber to form an upper rubber protection layer 7, the inner and outer ends of the upper rubber protection layer 7 are integrally connected to the upper rubber connecting piece 42 and the upper rubber connecting wall 44, respectively, and the upper rubber bump 71 is provided on the upper rubber protection layer 7 in an upward protruding manner. The upper limit portion 211 provides enough space for the upper rubber protection layer 7, and the upper rubber protection layer 7 can prevent the upper support ring 21 from contacting with external air and water, so that the overall corrosion resistance is ensured; the upper rubber bump 71 is used for providing axial shock absorption and buffering functions, and when the upper rubber bump is used on an automobile, riding comfort of the automobile in the using process can be improved, in addition, hard collision between an outer pipe and the boundary of the automobile body can be avoided, and noise is reduced.
In this embodiment, the lower end surface of the lower limiting portion 221 is covered with rubber to form a lower rubber protection layer 8, the inner and outer ends of the lower rubber protection layer 8 are integrally connected to the lower rubber connecting piece 43 and the lower rubber connecting wall 45, respectively, and the lower rubber bump 81 is provided on the lower rubber protection layer 8 in a downward protruding manner. The lower limiting part 221 provides enough space for the lower rubber protection layer 8, and the lower rubber protection layer 8 can prevent the lower support ring 22 from contacting with external air and water, so that the overall corrosion resistance is ensured; the lower rubber bump block 81 is used for providing axial shock absorption and buffering action, and when the lower rubber bump block is used on an automobile, riding comfort of the automobile in the using process can be improved, in addition, hard collision between an outer pipe and the boundary of the automobile body can be avoided, and noise is reduced.
In this embodiment, a liquid filling port 101 is formed on the inner tube 1, a liquid filling channel 102 communicated with the liquid filling port 101 is formed on the side wall of the inner tube 1, the liquid filling channel 102 has a liquid inlet 103 communicated with one of the liquid chambers 5, and the liquid filling port 101 is hermetically provided with an encapsulating steel ball 9. The liquid is convenient to be poured into the liquid cavity 5, and the steel balls 9 are packaged to realize the integral sealing performance after the liquid pouring is finished.
In this embodiment, the upper end surface of the upper rubber bump 71 is provided with a plurality of noise-proof bumps 10 protruding upward. The noise-proof salient points 10 arranged on the upper rubber block are used for preventing abnormal noise of the bushing in the using process.
In this embodiment, the lower end surface of the lower rubber bump 81 is provided with a plurality of noise-proof protrusions 10 protruding downward. The noise-proof salient points 10 arranged on the lower rubber block are used for preventing abnormal noise of the bushing in the using process.
Claims (10)
1. The utility model provides a hydraulic pressure bush is used to car sub vehicle frame, includes inner tube, supporting framework and outer tube, supporting framework set up the outer tube in, the inner tube set up supporting framework in, the inner tube with the outer tube between be connected through rubber main spring, supporting framework set up rubber main spring in, its characterized in that the lateral wall of inner tube on the arch be provided with two spacing lugs, two spacing lug relatively and establish, the outside cladding of spacing lug be provided with rubber and form rubber and hit the piece, rubber hit the piece with rubber main spring integrated into one piece set up.
2. The hydraulic bushing as claimed in claim 1, wherein said supporting frame divides said main rubber spring into an inner main rubber spring and an outer main rubber spring, said inner tube is connected to said supporting frame through said inner main rubber spring, and said supporting frame is connected to said outer tube through said outer main rubber spring;
the supporting framework comprises an upper supporting ring and a lower supporting ring which are arranged at an upper interval and a lower interval, the upper supporting ring and the lower supporting ring are connected through two supporting walls, the two supporting walls are arranged oppositely, the inner layer rubber main spring comprises two main supporting ribs which are arranged oppositely, the inner wall of each supporting wall is connected with the outer wall of the inner pipe through one main supporting rib, the upper parts of the two main supporting ribs are connected with the inner wall of the upper supporting ring through an upper rubber connecting sheet in a sealing way, the lower parts of the two main supporting ribs are connected with the inner wall of the lower supporting ring through a lower rubber connecting sheet in a sealing way, a closed liquid cavity is formed between the side wall of the main supporting rib, the lower end face of the upper rubber connecting sheet, the upper end face of the lower rubber connecting sheet and the inner wall of the outer pipe, each liquid cavity is internally provided with one rubber bump block in a protruding mode.
3. The hydraulic bushing as claimed in claim 2, wherein the upper end of the upper support ring is bent horizontally outward to form an annular upper stopper, the lower end of the lower support ring is bent horizontally outward to form an annular lower stopper, and the outer tube is located between the upper stopper and the lower stopper.
4. The hydraulic bushing as claimed in claim 3, wherein said outer rubber main spring comprises an upper rubber connecting wall for connecting an outer wall of said upper support ring with an inner wall of said outer tube and a lower rubber connecting wall for connecting an outer wall of said lower support ring with an inner wall of said outer tube, the outer wall of each of said support walls is connected with the inner wall of said outer tube by an outer main connecting spring, an upper end of said outer main connecting spring is integrally connected with said upper rubber connecting wall, a lower end of said outer main connecting spring is integrally connected with said lower rubber connecting wall, and a flow channel for communicating two of said fluid chambers and allowing fluid to flow between said two fluid chambers is provided in said outer main connecting spring.
5. The hydraulic bushing as claimed in claim 4, wherein said support wall is recessed to provide a recess, and said flow passage is located within said outer connecting main spring disposed in said recess.
6. The hydraulic bushing as claimed in claim 4, wherein said upper rubber connecting wall is provided with an annular locking recess which is inwardly recessed, and an upper end of said outer tube is inwardly bent and inserted into said annular locking recess.
7. The hydraulic bushing as claimed in claim 6, wherein said upper support ring has an annular recess at a position corresponding to said annular locking groove.
8. The hydraulic bushing as claimed in claim 4, wherein the upper end surface of the upper stopper is covered with rubber to form an upper rubber protection layer, the inner and outer ends of the upper rubber protection layer are integrally connected to the upper rubber connecting plate and the upper rubber connecting wall, respectively, and the upper rubber protection layer is provided with an upper rubber bump protruding upward.
9. The hydraulic bushing as claimed in claim 4 or 6, wherein the lower end surface of the lower retainer is covered with rubber to form a lower rubber protector, the inner and outer ends of the lower rubber protector are integrally connected to the lower rubber connecting plate and the lower rubber connecting wall, respectively, and a lower rubber bump is provided in a downward protrusion on the lower rubber protector.
10. The hydraulic bushing as claimed in claim 2, wherein said inner tube has a filling opening, a filling channel is disposed on a sidewall of said inner tube and is connected to said filling opening, said filling channel has a liquid inlet connected to one of said liquid chambers, and said filling opening is sealed with a sealing ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337300.0A CN112555331A (en) | 2020-11-25 | 2020-11-25 | Hydraulic bushing for auxiliary frame of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011337300.0A CN112555331A (en) | 2020-11-25 | 2020-11-25 | Hydraulic bushing for auxiliary frame of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112555331A true CN112555331A (en) | 2021-03-26 |
Family
ID=75043619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011337300.0A Pending CN112555331A (en) | 2020-11-25 | 2020-11-25 | Hydraulic bushing for auxiliary frame of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555331A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080079205A1 (en) * | 2006-09-29 | 2008-04-03 | Tokai Rubber Industries, Ltd. | Stopper for cylindrical elastic mount and cylindrical elastic mount assembly |
| CN201747857U (en) * | 2010-07-15 | 2011-02-16 | 宁波拓普汽车特种橡胶有限公司 | Novel liquid resistance bushing shock absorber device of automobile chassis |
| CN206874724U (en) * | 2017-07-04 | 2018-01-12 | 安徽中联汽车零部件有限公司 | A kind of hydraulic damping bushing of oil-leakage-prevention |
| CN207333559U (en) * | 2017-08-25 | 2018-05-08 | 启东永兴橡胶制品有限公司 | A kind of hydraulic bushing |
| CN109990041A (en) * | 2019-04-26 | 2019-07-09 | 博戈橡胶金属（上海）有限公司 | Cage hydraulic bushing in a kind of plastics |
| CN110360265A (en) * | 2019-07-25 | 2019-10-22 | 上汽通用汽车有限公司 | A kind of hydraulic bushing |
| CN211117332U (en) * | 2019-11-04 | 2020-07-28 | 广州汽车集团股份有限公司 | Hydraulic bushing, swing arm assembly and automobile |
-
2020
- 2020-11-25 CN CN202011337300.0A patent/CN112555331A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080079205A1 (en) * | 2006-09-29 | 2008-04-03 | Tokai Rubber Industries, Ltd. | Stopper for cylindrical elastic mount and cylindrical elastic mount assembly |
| CN201747857U (en) * | 2010-07-15 | 2011-02-16 | 宁波拓普汽车特种橡胶有限公司 | Novel liquid resistance bushing shock absorber device of automobile chassis |
| CN206874724U (en) * | 2017-07-04 | 2018-01-12 | 安徽中联汽车零部件有限公司 | A kind of hydraulic damping bushing of oil-leakage-prevention |
| CN207333559U (en) * | 2017-08-25 | 2018-05-08 | 启东永兴橡胶制品有限公司 | A kind of hydraulic bushing |
| CN109990041A (en) * | 2019-04-26 | 2019-07-09 | 博戈橡胶金属（上海）有限公司 | Cage hydraulic bushing in a kind of plastics |
| CN110360265A (en) * | 2019-07-25 | 2019-10-22 | 上汽通用汽车有限公司 | A kind of hydraulic bushing |
| CN211117332U (en) * | 2019-11-04 | 2020-07-28 | 广州汽车集团股份有限公司 | Hydraulic bushing, swing arm assembly and automobile |
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Application publication date: 20210326 |
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| RJ01 | Rejection of invention patent application after publication |