CN207728780U - A kind of automotive towing arm bush - Google Patents
A kind of automotive towing arm bush Download PDFInfo
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- CN207728780U CN207728780U CN201721526464.1U CN201721526464U CN207728780U CN 207728780 U CN207728780 U CN 207728780U CN 201721526464 U CN201721526464 U CN 201721526464U CN 207728780 U CN207728780 U CN 207728780U
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- inner tube
- rubber
- tube
- limited block
- towing arm
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Abstract
The utility model discloses a kind of automotive towing arm bush, including inner and outer tubes, inner tube is arranged in outer tube, feature is the first rubber spring and the second rubber spring being provided between inner tube and outer tube in right-angled intersection, first rubber spring is made of two symmetrically arranged first rubber bodies, the both ends of first rubber bodies are connected with the inner peripheral wall of the outer circle wall of inner tube and outer tube respectively, second rubber spring is made of two symmetrically arranged second rubber bodies, and the both ends of the second rubber bodies are connected with the inner peripheral wall of the outer circle wall of inner tube and outer tube respectively.Advantage be it is simple in structure, it is at low cost, it can be achieved that damping characteristic in two directions adjusting, realization provides low dynamic multiplying power, low-resistance damping properties on the directions NVH of vehicle, high dynamic multiplying power, high damping properties provided on the handling direction of vehicle.
Description
Technical field
The utility model is related to a kind of automobile bushings, more particularly, to a kind of automotive towing arm bush.
Background technology
In automobile chassis suspension system, towing arm bush is one of important composition component therein, the quality of performance
The NVH effects of automobile chassis, the handling of vehicle and by bus and the comfort of personnel of driving will be directly influenced.In automobile
Driving process in, due to vehicle startup stop and jolt, need a towing arm bush to provide different damping capacities,
So that the directions NVH of vehicle are capable of providing low dynamic multiplying power, low-resistance damping properties, the handling direction of vehicle be capable of providing high dynamic multiplying power,
High damping properties.The towing arm bush of conventional structure is generally single rubber spring structure, and the towing arm bush of this structure is each
The damping capacity in direction is consistent, and prevents it from the low dynamic multiplying power, low-resistance damping properties and the vehicle that meet the directions vehicle NVH simultaneously
The height in handling direction moves multiplying power, high damping properties.And traditional solution be met using hydraulic bushing it is above-mentioned this
It is a little to require, but the cost price of hydraulic bushing is higher, the service life of part is also undesirable.
Invention content
The technical problem to be solved by the utility model is to provide it is a kind of it is simple in structure, can realize it is different in both direction
The automotive towing arm bush of damping characteristic.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of automotive towing arm bush, including inner and outer tubes, the inner tube is arranged in the outer tube, described
The first rubber spring and the second rubber spring in right-angled intersection, first rubber are provided between inner tube and the outer tube
The first rubber bodies that the main spring of glue is symmetricly set on the inner tube both sides by two form, the both ends point of first rubber bodies
It is not connected with the inner peripheral wall of the outer circle wall of the inner tube and the outer tube, second rubber spring is by two
Be symmetricly set on the second rubber bodies composition of the inner tube both sides, the both ends of second rubber bodies respectively with it is described in
The outer circle wall of pipe is connected with the inner peripheral wall of the outer tube.
First rubber spring damps second rubber different and described from the damping of the second rubber spring
Damping of the damping of the main spring of glue more than first rubber spring.The material of first rubber spring is natural rubber, the
Two rubber springs are the mixture of natural rubber and other high damping characteristic rubber, realize vehicle X to provide the high output ratio of Q-switching to free running with
High damping characteristic, vehicle Z-direction provide the low output ratio of Q-switching to free running and low damping characteristic.
The inner tube is divided into epimere inner tube and hypomere inner tube, first rubber spring and institute from top to bottom in an axial direction
The second rubber spring stated is arranged between the outer circle wall and the inner peripheral wall of the outer tube of the epimere inner tube, described
Hypomere inner tube outer circle wall and the inner peripheral wall of the outer tube between form an annular chamber, set in the annular chamber
It is equipped with a limited block, the limited block is fixedly mounted in the hypomere inner tube, the limited block and the outer tube
Gap is provided between inner peripheral wall.One limited block is set in the annular chamber formed between hypomere inner tube and outer tube, the limit
Block in part movement from position-limiting action.
It is provided with the mounting hole with the matched perforation of hypomere inner tube on the limited block, passes through the peace
Dress hole close-fitting is socketed in realization in the hypomere inner tube and is installed to the limited block in the inner tube.Above-mentioned installation knot
Structure is simple, easy for installation and stable.
Positioning groove is provided on the outer circle wall of the hypomere inner tube in an axial direction, is set in an axial direction in the mounting hole
It is equipped with and is mounted on the positioning groove with the matched locating convex block of the positioning groove, the locating convex block close-fitting
It is interior.By the cooperation of positioning groove and locating convex block, rapidly limited block can be installed in hypomere inner tube, it is simple in structure,
Locating convex block is installed with positioning groove close-fitting simultaneously, is further ensured that limited block is stably mounted in inner tube.
Vulcanization is provided with rubber collision block, the relatively described limit of the rubber collision block on the inner peripheral wall of the outer tube
Wavy bulge, the outside of the top end face of the wavy bulge and the limited block are provided on the end face of block lateral wall
Gap is provided between wall.Automobile will produce shock in the process of moving, between limited block and outer tube, pass through the inner circle in outer tube
Rubber collision block is set on peripheral wall, cushioning effect can be played, while the wavy bulge being arranged on rubber collision block makes limited block
Contact area when being hit with rubber collision block is smaller, can prevent the abnormal sound generated when hitting.
The outer tube is nylon injection-molding part, and the inner tube includes metal tube, and the outside of the metal tube is molded with
Nylon.Nylon injection-molding part is lighter relative to metalwork quality, does not have surface corrosion risk, and can mold various complicated knots
Structure, it is easier to meet performance requirement.
The limited block is nylon injection-molding part.Limited block uses nylon material, strong compared with the limited block of rubber material
Degree is high, long lifespan, and is easy molding.
Compared with prior art, the utility model has the advantage of：Setting is in right-angled intersection between inner tube and outer tube
First rubber spring and the second rubber spring, it is simple in structure, it is at low cost, it can be according to the first rubber spring of specific operating mode pair and second
The different damping characteristics realized in two directions are adjusted in rubber spring, and realization provides low on the directions NVH of vehicle
Dynamic multiplying power, low-resistance damping properties provide high dynamic multiplying power, high damping properties on the handling direction of vehicle, effectively improve automobile
The NVH effects on chassis, the handling of vehicle or even by bus and the comfort of personnel of driving.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the overlooking structure diagram of the utility model；
Fig. 3 is the schematic cross-sectional view of the utility model；
Fig. 4 is the structural schematic diagram of inner tube in the utility model；
Fig. 5 is the structural schematic diagram of limited block in the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figures 1 to 5, a kind of automotive towing arm bush, including inner tube 1 and outer tube 2, inner tube 1 are arranged in outer tube 2
It is interior, the first rubber spring and the second rubber spring in right-angled intersection, the first rubber spring are provided between inner tube 1 and outer tube 2
The first rubber bodies 3 that 1 both sides of inner tube are symmetricly set on by two form, the both ends of the first rubber bodies 3 outer circle with inner tube 1 respectively
Peripheral wall is connected with the inner peripheral wall of outer tube 2, the second rubber bodies that the second rubber spring is symmetricly set on 1 both sides of inner tube by two
4 compositions, the both ends of the second rubber bodies 4 are connected with the inner peripheral wall of the outer circle wall of inner tube 1 and outer tube 2 respectively.
In this particular embodiment, damping, second rubber different from the damping of the second rubber spring of the first rubber spring
Damping of the damping of main spring more than the first rubber spring.The material of first rubber spring is natural rubber, and the second rubber spring is
The mixture of natural rubber and other high damping characteristic rubber.Be advantageously implemented the high output ratio of Q-switching to free running and high damping characteristic, realize X to
The high output ratio of Q-switching to free running and high damping characteristic are provided, Z-direction provides the low output ratio of Q-switching to free running and low damping characteristic.
In this particular embodiment, inner tube 1 is divided into epimere inner tube 11 and hypomere inner tube 12, the first rubber from top to bottom in an axial direction
The main spring of glue and the second rubber spring are arranged between the outer circle wall and the inner peripheral wall of outer tube 2 of epimere inner tube 11, hypomere inner tube
An annular chamber is formed between 12 outer circle wall and the inner peripheral wall of outer tube 2, a limited block 5 is provided in annular chamber, is limited
Block 5 is fixedly mounted in hypomere inner tube 12, and gap is provided between 2 inner peripheral wall of limited block 5 and outer tube.Hypomere inner tube 12 with
One limited block 5 is set in the annular chamber that is formed between outer tube 2, the limited block 5 in part movement from position-limiting action.
In this particular embodiment, it is provided with the mounting hole 51 with the 12 matched perforation of hypomere inner tube on limited block 5, leads to
Cross 51 close-fitting of mounting hole be socketed in hypomere inner tube 12 realize limited block 5 is installed in inner tube 1.Above-mentioned mounting structure is simple,
It is easy for installation and stable.
In this particular embodiment, it is provided with positioning groove 121, mounting hole in an axial direction on the outer circle wall of hypomere inner tube 12
In 51 it is axially disposed have with 121 matched locating convex block 511 of positioning groove, 511 close-fitting of locating convex block be mounted on position it is recessed
In slot 121.By the cooperation of positioning groove 121 and locating convex block 511, can limited block 5 be rapidly installed to hypomere inner tube
It is simple in structure on 12, while locating convex block 511 is installed with 121 close-fitting of positioning groove, is further ensured that limited block 5 stablizes installation
In inner tube 1.
In this particular embodiment, vulcanization is provided with rubber collision block 6 on the inner peripheral wall of outer tube 2, and rubber collision block 6 is opposite to be limited
Be provided with wavy bulge 61 on the end face of position 5 lateral wall of block, the top end face of wavy bulge 61 and the lateral wall of limited block 5 it
Between be provided with gap.Automobile in the process of moving, will produce shock between limited block 5 and outer tube 2, pass through the inner circle in outer tube 2
Rubber collision block 6 is set on peripheral wall, and the wavy bulge 61 that can be played cushioning effect, while be arranged on rubber collision block 6 is so that limit
Contact area when position block 5 is hit with rubber collision block 6 is smaller, can prevent the abnormal sound generated when hitting.
In this particular embodiment, outer tube 2 is nylon injection-molding part, and inner tube 1 includes metal tube, and the outside of metal tube is molded with
Nylon.Nylon injection-molding part is lighter relative to metalwork quality, does not have surface corrosion risk, and can mold various complicated knots
Structure, it is easier to meet performance requirement.
In this particular embodiment, limited block 5 is nylon injection-molding part.Limited block 5 uses nylon material, with rubber material
Limited block is high compared to intensity, long lifespan, and is easy molding.
Claims (8)
1. a kind of automotive towing arm bush, including inner and outer tubes, the inner tube are arranged in the outer tube, feature exists
The first rubber spring and the second rubber spring in right-angled intersection are provided between the inner tube and the outer tube, it is described
The first rubber spring be symmetricly set on the first rubber bodies of the inner tube both sides by two and form, first rubber bodies
Both ends be connected respectively with the inner peripheral wall of the outer circle wall of the inner tube and the outer tube, the second rubber master
The second rubber bodies that spring is symmetricly set on the inner tube both sides by two form, the both ends of second rubber bodies respectively with
The outer circle wall of the inner tube is connected with the inner peripheral wall of the outer tube.
2. a kind of automotive towing arm bush as described in claim 1, it is characterised in that the damping of first rubber spring
The damping of second rubber spring different and described from the damping of the second rubber spring is more than the first rubber master
The damping of spring.
3. a kind of automotive towing arm bush as described in claim 1, it is characterised in that the inner tube is in an axial direction from top to bottom
It is divided into epimere inner tube and hypomere inner tube, first rubber spring and second rubber spring are arranged in the epimere
Between the outer circle wall of inner tube and the inner peripheral wall of the outer tube, the outer circle wall of the hypomere inner tube and the outer tube
Inner peripheral wall between form an annular chamber, a limited block is provided in the annular chamber, the limited block fixes peace
In the hypomere inner tube, gap is provided between the limited block and the outer tube inner peripheral wall.
4. a kind of automotive towing arm bush as claimed in claim 3, it is characterised in that be provided on the limited block and institute
The mounting hole for the matched perforation of hypomere inner tube stated is socketed in real in the hypomere inner tube by the mounting hole close-fitting
Now the limited block is installed in the inner tube.
5. a kind of automotive towing arm bush as claimed in claim 4, it is characterised in that the outer circle wall of the hypomere inner tube
On be provided with positioning groove in an axial direction, it is axially disposed in the mounting hole to have and the matched positioning of the positioning groove
Convex block, the locating convex block close-fitting are mounted in the positioning groove.
6. a kind of automotive towing arm bush as claimed in claim 3, it is characterised in that sulphur on the inner peripheral wall of the outer tube
Change is provided with rubber collision block, and it is convex to be provided with waveform on the rubber collision block end face of the limited block lateral wall relatively
It rises, gap is provided between the top end face of the wavy bulge and the lateral wall of the limited block.
7. a kind of automotive towing arm bush as described in claim 1, it is characterised in that the outer tube is nylon injection-molding part, institute
The inner tube stated includes metal tube, and the outside of the metal tube is molded with nylon.
8. a kind of automotive towing arm bush as claimed in claim 3, it is characterised in that the limited block is nylon injection-molding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526464.1U CN207728780U (en) | 2017-11-15 | 2017-11-15 | A kind of automotive towing arm bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526464.1U CN207728780U (en) | 2017-11-15 | 2017-11-15 | A kind of automotive towing arm bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207728780U true CN207728780U (en) | 2018-08-14 |
Family
ID=63088082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721526464.1U Active CN207728780U (en) | 2017-11-15 | 2017-11-15 | A kind of automotive towing arm bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207728780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555314A (en) * | 2020-11-25 | 2021-03-26 | 宁波拓普集团股份有限公司 | Double-rubber bushing |
| CN113700785A (en) * | 2021-08-12 | 2021-11-26 | 株洲时代瑞唯减振装备有限公司 | Anti-fatigue rubber node with high bearing capacity |
-
2017
- 2017-11-15 CN CN201721526464.1U patent/CN207728780U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555314A (en) * | 2020-11-25 | 2021-03-26 | 宁波拓普集团股份有限公司 | Double-rubber bushing |
| CN113700785A (en) * | 2021-08-12 | 2021-11-26 | 株洲时代瑞唯减振装备有限公司 | Anti-fatigue rubber node with high bearing capacity |
| CN113700785B (en) * | 2021-08-12 | 2023-01-24 | 株洲时代瑞唯减振装备有限公司 | Anti-fatigue rubber node with high bearing capacity |
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