CN109968934A - A kind of damper bushing - Google Patents
A kind of damper bushing Download PDFInfo
- Publication number
- CN109968934A CN109968934A CN201910257343.9A CN201910257343A CN109968934A CN 109968934 A CN109968934 A CN 109968934A CN 201910257343 A CN201910257343 A CN 201910257343A CN 109968934 A CN109968934 A CN 109968934A
- Authority
- CN
- China
- Prior art keywords
- bushing
- spacer sleeve
- outer tube
- retaining ring
- middle spacer
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003090 exacerbative effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/128—Damper mount on vehicle body or chassis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Springs (AREA)
Abstract
The invention discloses a kind of damper bushings, belong to technical field of automobile accessories comprising outer tube；Lining pipe, it is same to be located in outer tube；Middle spacer sleeve, it is same to be located in outer tube, and middle spacer sleeve is set between outer sleeve inner wall and bushing pipe outer wall, and middle spacer sleeve internal diameter is greater than bushing pipe outside diameter；Retaining ring is fixed at outer tube both ends, abuts against on the inside of retaining ring with middle spacer sleeve, and retaining ring internal diameter is greater than bushing pipe outside diameter；Lining pipe includes tube body and annular projection, and annular projection is equipped in the middle part of tube wall, and annular projection is set in middle spacer sleeve.It further include dust cover, dust cover is set between retaining ring and lining pipe.Lining pipe in this bushing is able to carry out the torsion and rebound of angle, and use is more flexible, effectively reduces abrasion; and the extraneous dust grains of sand are completely cut off by dust cover; the protection to bush structure is further realized, the outside transmitting that bushing uses noise is also reduced, is made more comfortable by bus.
Description
Technical field
The present invention relates to technical field of automobile accessories, and in particular to a kind of damper bushing.
Background technique
Damper be for inhibit spring shake after rebound when concussion and from the impact on road surface, be widely used in automobile and subtract
Earthquake centre, for accelerate vehicle frame and body vibrations decaying, to improve ride of vehicle.Automobile when by uneven road surface,
Although shock-absorbing spring can filter the vibration on road surface, spring itself also has reciprocating motion, and damper is exactly for inhibiting
This spring jump.
In the prior art, damper bushing is generally fixed on damper both ends by welding, for vehicle frame and
The connection of automobile suspension system.Existing damper bushing, is only able to satisfy bushing and vehicle frame interconnecting piece carries out axial rotation, and
A degree of radial torsion is not can be carried out.Thus, after prolonged use, the abrasion of bushing is caused, bushing not only occurs
Damage, can also issue abnormal sound, influence to experience by bus.Also, existing bushing is after occurring ageing of rubber and abrasion, road environment
In the dust grains of sand enter in bushing the generation for exacerbating abrasion, influence the service life of bushing, it is serious also to will cause vehicle
The generation of misfortune.
Therefore, above-mentioned technological deficiency exists in the prior art, is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
For this purpose, being fixedly mounted at damper by welding etc. the embodiment of the invention provides a kind of damper bushing
Both ends, for the connection of automobile suspension system and vehicle frame, to solve in the prior art since damper bushing can not carry out radial direction
It reverses and damages problem caused by dust-proof.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
A kind of damper bushing, comprising:
Outer tube；
Lining pipe, it is same to be located in the outer tube；
Middle spacer sleeve, it is same to be located in the outer tube, and the middle spacer sleeve is set to the outer sleeve inner wall and lining
Between sleeve outer wall, the middle spacer sleeve internal diameter is greater than the bushing pipe outside diameter；
Retaining ring is fixed at the outer tube both ends, abuts against on the inside of the retaining ring with the middle spacer sleeve, the retaining ring
Internal diameter is greater than the bushing pipe outside diameter；
The lining pipe includes tube body and annular projection, and annular projection is equipped in the middle part of the tube wall, and the annular is prominent
It rises and is set in the middle spacer sleeve.
Further, the middle spacer sleeve includes two rubber rings and arc notch, and two rubber rings are with the ring
Be symmetrical arranged centered on shape protrusion, the rubber ring and annular projection contact position offer arc notch, the arc notch and
Annular projection matches.
Further, the retaining ring includes ring flat-plate and anti-falling pipe, and the ring flat-plate outer rim is fixedly connected with outer tube, the ring
Plate inner edge is coaxially fixed with anti-falling pipe, and the anti-falling pipe extends outwardly and outer diameter becomes larger.
It further, further include inner groove, the inner groove is provided with the outer tube inner wall of end, the ring flat-plate outer rim
It is inserted into the inner groove.
Further, wherein one end is integrally formed setting for the retaining ring and outer tube.
It further, further include dust cover, the dust cover is set between the retaining ring and lining pipe.
Further, the dust cover includes annular cover, fixing end and closed end, annular cover both ends one at
Type is respectively equipped with fixing end and closed end, and the fixed end cap is located on the retaining ring, and the closed end is set in the bushing
Guan Shang.
It further, further include clip, the clip is set in outside the fixing end.
It further, further include outer groove, the outer groove is provided with the bushing tube end outer wall, the closing end cap
It is located in the outer groove.
Further, the middle spacer sleeve and dust cover are elastic wear-resisting plastic material.
The embodiment of the present invention has the advantages that
1) this bushing can not only rotate in the axial direction, and the torsion of certain angle can also occur for the lining pipe being arranged inside
Turn, to effectively reduce abrasion using more flexible；
2) dust cover can close gasket end, completely cut off the impurity such as the external dust grains of sand, further reduced
The degree of abrasion；
3) since dust cover fixing end is fixed on retaining ring by clip and closed end is wrapped in outer groove, to also can
The noise that bushing issues in use is enough reduced, comfort by bus is improved；
4) since middle spacer sleeve and dust cover have the characteristic of high elasticity abrasion-proof, higher radial rigidity is made it have, is mentioned
The high mechanical strength of bushing.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is the main view of damper bushing of the present invention；
Fig. 2 is the left view of damper bushing of the present invention；
Fig. 3 is the front sectional view of an embodiment of the present invention；
Fig. 4 is the front sectional view of another embodiment of the present invention；
Fig. 5 is the partial enlarged view in Fig. 4 of the present invention at A；
Fig. 6 is the front sectional view of middle spacer sleeve in Fig. 4 of the present invention；
Fig. 7 is the main view that bushing of the present invention is connect with damper；
In figure:
1 outer tube；2 lining pipes；201 tube bodies；202 annular projections；Spacer sleeve in 3；301 rubber rings；302 arc notch；4
Retaining ring；401 ring flat-plates；402 anti-falling pipes；5 inner grooves；6 dust covers；601 annular covers；602 fixing ends；603 closed ends；7 clips；
8 outer grooves.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Mainly include with lower component if Fig. 1 and 2 provides a kind of damper bushing:
Outer tube 1 is the outer body structure of bush structure, and using stainless steel, when in use, outer wall passes through welding
Mode is fixedly connected with damper end.
Lining pipe 2, it is identical as 1 material of outer tube, it is same to be located in the outer tube 1.When in use, lining pipe 2 needs
Axial rotation and radial twisting are carried out, to need that there is certain freedom degree, in actual installation, bushing in outer tube 1
The outer diameter of pipe 2 is less than the internal diameter of outer tube 1.
Middle spacer sleeve 3, it is also same to be located in the outer tube 1 as lining pipe 2, and the middle spacer sleeve 3 is set to
Between 1 inner wall of outer tube and 2 outer wall of lining pipe, outer tube 1 and lining pipe 2 can be isolated, avoid outer tube 1 and bushing
Direct friction damage between pipe 2.In actual installation, middle 3 internal diameter of spacer sleeve is greater than 2 outer diameter of lining pipe, thus
Enable lining pipe 2 that there is certain freedom degree to be rotated or be twisted.And further prevent middle spacer sleeve 3 in outer tube
Play in 1, middle 3 outer diameter of spacer sleeve are equal or slightly larger than the internal diameter of outer tube 1, so that middle spacer sleeve 3 will not be with lining pipe 2
It rotates and rotates, ensure that the stability of middle 3 installation site of spacer sleeve.
Retaining ring 4 is fixed at 1 both ends of outer tube, for hindering the middle spacer sleeve 3 being arranged in outer tube 1
Gear, since 4 position of retaining ring is fixed, ensure that calmly centre specifically, 4 inside of the retaining ring is abutted against with the middle spacer sleeve 3
3 positional stability of spacer.In actual installation, 4 internal diameter of retaining ring is greater than 2 outer diameter of lining pipe, to send out in lining pipe 2
It, can be more smooth when raw torsion.In actual use, 4 internal diameter of retaining ring should not be too large, windup-degree to lining pipe 2 into
The certain limitation of row, the maximum twist angle for such as controlling lining pipe 2 is 20 °.
In order to enable lining pipe 2 facilitates torsion, the structure of lining pipe 2 is designed, specifically, such as Fig. 3 and Fig. 4, institute
Stating lining pipe 2 includes tube body 201 and annular projection 202, and tube body 201 is the main structure of lining pipe 2, and 1 coaxial line of outer tube,
In order to enable lining pipe 2 to twist and prevent to deviate from from outer tube 1, further set in the middle part of 201 outer wall of tube body
There is annular projection 202, in actual installation, annular projection 202 is arc-shaped protrusions structure, and tube body 201 and annular projection 202 are
It is integrally formed, ensure that the mechanical strength of 2 structure of lining pipe, facilitate torsion and rebound, the annular projection 202 is set in described
In spacer sleeve 3, deviate from outward from outer tube 1 in use to effectively prevent lining pipe 2.
In order to damper bushing is specifically described, following examples are provided:
Embodiment 1
Such as Fig. 3,4 and 6, the middle spacer sleeve 3 includes two rubber rings 301 and arc notch 302, two rubber rings
301 are symmetrical arranged centered on the annular projection 202, and have certain gap, the rubber between two rubber rings 301
Ring 301 and 202 contact position of annular projection offer arc notch 302, and arc notch 302 is provided with the inner edge of rubber ring 301, and two
A rubber ring 301 is oppositely arranged, so that two symmetrical arc notch 302 constitute the annular chamber around lining pipe 2,
When installation, the arc notch 302 and annular projection 202 are matched, specific annular projection 202 and 302 inner face of arc notch
It offsets, 202 outer diameter of annular projection is greater than the outer diameter of rubber ring 301, thus when annular projection 202 is placed on 302 shape of arc notch
At annular chamber when, can guarantee that lining pipe 2 is not fallen out in outer tube 1.
In this embodiment, rubber ring 301 uses high elasticity abrasion-proof plastics, such as polytetrafluoro.In actual use, work as bushing
The torsion of certain angle occurs for pipe 2, and annular projection 202 causes to be squeezed and deformed to two rubber rings 301, meets damper bushing
Requirement, at this time rubber ring 301 to annular projection 202 generate rebound effect power, when lining pipe 2 is restored to origin-location
When, the rubber ring 301 being deformed also restores original form.
Embodiment 2
On the basis of above-described embodiment structure, further, such as Fig. 5, retaining ring 4 includes ring flat-plate 401 and anti-falling pipe 402,
401 structure of ring flat-plate is a round plate body, and middle part offers hole, facilitates passing through for lining pipe 2, and 401 internal diameter of ring flat-plate is big
In the outer diameter of 2 tube body 201 of lining pipe, so that lining pipe 2 be facilitated to twist.401 outer rim of ring flat-plate and the fixed company of outer tube 1
It connects, 401 inner edge of ring flat-plate is coaxially fixed with anti-falling pipe 402, and anti-falling pipe 402 is integrally formed with ring flat-plate 401, mechanical strength
Greatly, the anti-falling pipe 402 extends outwardly and outer diameter becomes larger.
It further include inner groove 5 further, the inner groove 5 is provided with institute in order to which retaining ring 4 to be fixed on outer tube 1
1 inner wall of end of outer tube is stated, the outer diameter of ring flat-plate 401 is slightly larger than the internal diameter of outer tube 1, during installation, presses from the end of outer tube 1
Enter outer tube 1, and be inserted into 401 outer rim of ring flat-plate in the inner groove 5, to realize that stablizing for retaining ring 4 is installed.
According to above structure, such as Fig. 3, be oppositely arranged two rubber rings 301 are symmetrically installed by bushing first in assembling
It is pushed into outer tube 1 in 202 two sides of annular projection, and from 1 one end of outer tube, then retaining ring 4 is mounted on 1 both ends of outer tube
On, and retaining ring 4 is made to offset with middle spacer sleeve 3.
Embodiment 3
Above-described embodiment 2, retaining ring 4 with outer tube 1 are fixedly connected by inner groove 5, more square in order to install
Just, further, such as Fig. 4, by the retaining ring 4, wherein one end is integrally formed setting with outer tube 1.Therefore, bushing assembling when,
Be oppositely arranged two rubber rings 301 are symmetrically mounted on 202 two sides of annular projection first, and are pushed away from the open end of outer tube 1
Enter into outer tube 1, so that the retaining ring 4 of the outer end of rubber ring 301 and integrated molding setting offsets, then retaining ring 4 is mounted on outside
On 1 open end of casing, and retaining ring 4 is made to offset with rubber ring 301.Such structure of bushing, makes easier for installation, improves dress
With efficiency, and make bushing mechanical strength higher, the service life is longer.
Embodiment 4
In order to improve the anti-wear effect of bushing, prevent the extraneous dust grains of sand from entering in bushing, further at bushing end
Portion is provided with dust proof member, is particularly suitable for the damper applied under driver's cabin.The dust proof member being arranged on bushing is specific as follows:
Specifically, being provided with dust cover 6, it is elastic wear-resisting plastic material, has the function of dilatation, the dust cover
6 are set between the retaining ring 4 and lining pipe 2.Dust cover 6 in this embodiment includes annular cover 601,602 and of fixing end
Closed end 603, such as Fig. 5, annular 601 both ends of cover, which are integrally formed, is respectively equipped with fixing end 602 and closed end 603, described
Fixing end 602 is set on the retaining ring 4, can specifically be achieved a fixed connection by smearing adhesion agent on the inside of fixing end 602,
The closed end 603 is set on the lining pipe 2, realizes fixation by modes such as adhesions, prevents from sealing effect caused by play
The problem of fruit difference.
It further include clip 7 further to preferably realize being connected and fixed for dust cover 6 and retaining ring 4, the clip 7
It is set in outside the fixing end 602, fixing end 602 is extruded on the anti-falling pipe 402 of retaining ring 4, anti-falling pipe especially above-mentioned
402 outer diameters that extend outwardly become larger, and improve anticreep effect.
In order to preferably realize the connection between closed end 603 and lining pipe 2, and realize that sealing effect prevents extraneous dust
The grains of sand enter in bushing, further include outer groove 8 further, and the outer groove 8 is provided with the 2 end outer wall of lining pipe,
The closed end 603 is set in the outer groove 8, i.e., outer groove 8 is wrapped up in closed end 603, effectively prevents play
The case where, and under holding state, also effectively prevent the entrance of the extraneous dust grains of sand.It is shown such as Fig. 5, annular cover 601
The outwardly protruding structure for forming similar air bag, 602 edge of fixing end forms the side of outside warpage, the ring flat-plate 401 on this side and retaining ring 4
Contact, fixing end 602 are contacted with anti-falling pipe 402, and clip 7, which is then embraced, to be located between fixing end 602 and the side of warpage, is reached and is more managed
The dust-proof effect thought；And the then inside lateral process of closed end 603, similar S type structure is formed with annular cover 601, closed end 603 is tight
Hard-pressed bale wraps up in outer groove 8, reaches dust-proof effect.
It should be noted that due to 3 material selection of dust cover 6 and middle spacer sleeve elastic wear-resisting plastics, so that bushing
Radial rigidity is larger, and Static stiffness can reach 8KN/mm.Such as Fig. 7, a kind of main view that bushing is connected with damper signal is provided
Figure is connected and fixed especially by welding manner realization.In the art, this bushing be not limited to apply cartridge type, column support type,
The dampers such as gasbag-type.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of damper bushing characterized by comprising
Outer tube；
Lining pipe, it is same to be located in the outer tube；
Middle spacer sleeve, it is same to be located in the outer tube, and the middle spacer sleeve is set to the outer sleeve inner wall and lining pipe
Between outer wall, the middle spacer sleeve internal diameter is greater than the bushing pipe outside diameter；
Retaining ring is fixed at the outer tube both ends, abuts against on the inside of the retaining ring with the middle spacer sleeve, the retaining ring internal diameter
Greater than the bushing pipe outside diameter；
The lining pipe includes tube body and annular projection, is equipped with annular projection in the middle part of the tube wall, the annular projection is set
In in the middle spacer sleeve.
2. damper bushing as described in claim 1, which is characterized in that the middle spacer sleeve includes two rubber rings and arc
Notch, two rubber rings are symmetrical arranged centered on the annular projection, and the rubber ring is opened with annular projection contact position
Equipped with arc notch, the arc notch and annular projection are matched.
3. damper bushing as described in claim 1, which is characterized in that the retaining ring includes ring flat-plate and anti-falling pipe, the ring
Plate outer rim is fixedly connected with outer tube, and the ring flat-plate inner edge is coaxially fixed with anti-falling pipe, and the anti-falling pipe extends outwardly and outer diameter
It becomes larger.
4. damper bushing as claimed in claim 3, which is characterized in that further include inner groove, the inner groove is provided with institute
Outer tube inner wall of end is stated, the ring flat-plate outer rim is inserted into the inner groove.
5. damper bushing as described in claim 1, which is characterized in that wherein one end is integrally formed for the retaining ring and outer tube
Setting.
6. damper bushing as described in claim 1, which is characterized in that further include dust cover, the dust cover is set in institute
It states between retaining ring and lining pipe.
7. damper bushing as claimed in claim 6, which is characterized in that the dust cover include annular cover, fixing end and
Closed end, the annular cover both ends, which are integrally formed, is respectively equipped with fixing end and closed end, and the fixed end cap is located at the gear
On circle, the closed end is set on the lining pipe.
8. damper bushing as claimed in claim 7, which is characterized in that further include clip, the clip is set in described solid
Outside fixed end.
9. damper bushing as claimed in claim 8, which is characterized in that further include outer groove, the outer groove is provided with institute
Bushing tube end outer wall is stated, the closed end is set in the outer groove.
10. damper bushing as claimed in claim 6, which is characterized in that the middle spacer sleeve and dust cover are that elasticity is resistance to
Grind plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257343.9A CN109968934B (en) | 2019-04-01 | 2019-04-01 | Bush of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257343.9A CN109968934B (en) | 2019-04-01 | 2019-04-01 | Bush of shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109968934A true CN109968934A (en) | 2019-07-05 |
| CN109968934B CN109968934B (en) | 2024-06-04 |
Family
ID=67082127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257343.9A Active CN109968934B (en) | 2019-04-01 | 2019-04-01 | Bush of shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109968934B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109968934B (en) | 2024-06-04 |
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