CN207648029U - A kind of bush Assembly and damper - Google Patents
A kind of bush Assembly and damper Download PDFInfo
- Publication number
- CN207648029U CN207648029U CN201721817925.0U CN201721817925U CN207648029U CN 207648029 U CN207648029 U CN 207648029U CN 201721817925 U CN201721817925 U CN 201721817925U CN 207648029 U CN207648029 U CN 207648029U
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- bushing
- bush assembly
- inner tube
- mentioned
- plastic clasp
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Abstract
The utility model provides a kind of bush Assembly and damper, including the bushing inner tube of coaxial arrangement, plastic clasp, rubber bushing and bushing outer tube；The outer surface of the bushing inner tube is fixedly connected with the plastic clasp；It is fixed with the rubber bushing between the plastic clasp and the bushing outer tube.Bush Assembly described in the utility model reduces the weight of bush Assembly compared to traditional bush Assembly, can make vehicle lightweight, promotes vehicle fuel economy.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of bush Assembly and damper.
Background technology
Our life now increasingly be unable to do without automobile, and car ownership is increasing, and people put forward the quality of automobile
Go out higher requirement.Damper is the key components and parts of automobile, shown referring to Fig.1, and entire vibration damper assembly passes through upper installation branch
Seat assembly is connect by bolt (with reference to the bolt hole of upper bracket upper plate 1) with vehicle body.Piston lever of reducer 9 exists when driving
The displacement and torsion in six directions are had during wheel movement.Effect because of damper itself to 9 damping force of piston rod, driving
The high frequency small vibration that middle wheel generates can be transmitted to by piston rod 9 by the bush Assembly in upper erection support assembly in damper
Vehicle body.
Shown in referring to FIG. 1, FIG. 2 and FIG. 3, above-mentioned bush Assembly includes bushing inner tube 6, rubber bushing 7 and bushing outer tube 8.
Bush Assembly in this structure will not only ensure to play the role of enough rigidity to play fixed piston rod 9, but also take into account
The six-way rigidity of bush Assembly is to meet decaying of the piston rod 9 to high frequency small vibration in practical driving conditions.Rubber bushing 7
Axial, radial thickness determines that the size of bush Assembly six-way rigidity, the planform of bushing inner tube 6 directly determine that rubber serves as a contrast
Axial, the radial thickness of set 7.Bushing inner tube 6 is connected firmly by fixing nut 10 and piston rod 9, bushing inner tube 6 and bushing outer tube 8
Using metal material, to ensure enough hardness, abrasion resistance properties.Certainly, above-mentioned bush Assembly is not solely used in damper,
It is widely used in vehicle and other machinery industry, such as the control arm of the rear suspension of vehicle, stabilizer bar etc..
But above-mentioned bush Assembly is metal material, causes weight excessive, is unfavorable for part lightweight or even vehicle light weight
The requirement of change, so that vehicle fuel economy is poor.
Utility model content
In view of this, the utility model is directed to a kind of bush Assembly, to realize part lightweight or even vehicle light weight
The requirement of change.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of bush Assembly, including the bushing inner tube of coaxial arrangement, plastic clasp, rubber bushing and bushing outer tube；It is described
The outer surface of bushing inner tube is fixedly connected with the plastic clasp；It is fixed between the plastic clasp and the bushing outer tube
State rubber bushing.
Further, the bushing inner tube and the plastic clasp are integrated injection molding structure.
Further, the bushing inner tube is provided at both ends with radially convex edge outstanding；The plastic clasp
Axial length is less than the axial length of the bushing inner tube.
Further, the plastic clasp, the bushing outer tube and the rubber bushing are integrated sulfidization molding structure.
Further, the outer surface of the plastic clasp is provided with annular protrusion；It is provided in the rubber bushing and institute
State the annular groove of annular protrusion cooperation.
Further, the rubber bushing circumferentially coats the bushing inner tube and the plastic clasp.
Compared with the existing technology, bush Assembly described in the utility model has the advantage that：
(1) compared to traditional bush Assembly, the weight of bush Assembly is reduced, vehicle lightweight can be made, is promoted whole
Vehicle fuel economy.
(2) above-mentioned bushing inner tube and above-mentioned plastic clasp are integrated injection molding structure and above-mentioned plastic clasp, above-mentioned
Bushing outer tube and above-mentioned rubber bushing are integrated sulfidization molding structure, can strengthen the fixation between each section of bush Assembly
Connection, guarantee play the role of enough rigidity to play fixed piston rod, take into account six-way rigidity and driven a vehicle with meeting piston rod
To the decaying of high frequency small vibration in journey.
(3) above-mentioned bushing inner tube is provided at both ends with radially convex edge outstanding, to protect plastic clasp, avoids grinding
Damage.
Include such as any of the above-described bush Assembly the invention also discloses a kind of damper.
Compared with the existing technology, damper described in the utility model is in addition to the advantage with above-mentioned bush Assembly, also
It has the advantage that：
Bush Assembly after above-mentioned weight saving can be integrated on the upper erection support of damper, inventor practice and
It being found in test, new upper erection support is more preferable to the attenuating of piston rod high frequency small vibration, promotion vehicle NVH (Noise,
Vibration, Harshness, noise, vibration and sound vibration roughness) performance, promote vehicle comfort.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the schematic diagram of traditional bush Assembly；
Fig. 2 is the sectional view of traditional bush Assembly；
Fig. 3 is the schematic diagram of the bushing inner tube of traditional bush Assembly；
Fig. 4-1 is the front view of the bush Assembly of the utility model embodiment；
Fig. 4-2 is the vertical view of the bush Assembly of the utility model embodiment；
Fig. 4-3 is the sectional view of the bush Assembly of the utility model embodiment；
Fig. 5 is the schematic diagram of the bushing inner tube of the bush Assembly of the utility model embodiment；
Fig. 6 is one of the schematic diagram of bush Assembly of the utility model embodiment；
Fig. 7 is the schematic diagram of the plastic clasp of the bush Assembly of the utility model embodiment；
Fig. 8 is the two of the schematic diagram of the bush Assembly of the utility model embodiment.
Reference sign：
1- upper bracket upper plates, 2- upper bracket lower plates, 3- bearings, 4- spring supporting pads, 5- buffer stopper hold-down supports, 6- bushings
Inner tube (tradition), 7- rubber bushings (tradition), 8- bushings outer tube (tradition), 9- piston rods, 10- fixing nuts, in 41- bushings
Pipe, the convex edges 411-；The circumferentially positioned keys of 412-；42- plastic clasps, 421- annular protrusions, 43- rubber bushings, 431- annular grooves,
44- bushing outer tubes.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to the front view, vertical view and sectional view of Fig. 4-1, Fig. 4-2 and Fig. 4-3 bush Assembly being respectively shown in, this reality
A kind of bush Assembly, including the bushing inner tube 41 of coaxial arrangement, plastic clasp 42, rubber bushing 43 are disclosed with new embodiment
With bushing outer tube 44；The outer surface of above-mentioned bushing inner tube 41 is fixedly connected with above-mentioned plastic clasp 42；42 He of above-mentioned plastic clasp
It is fixed with above-mentioned rubber bushing 43 between above-mentioned bushing outer tube 44.
In the utility model embodiment, above-mentioned bush Assembly can be applied to the elastic connection between each parts or can
Dynamic connection；When in application vehicle, the positions such as control arm, stabiliser bar, damper are can be widely applied to.
Above-mentioned bushing inner tube 41 and above-mentioned bushing outer tube 44 are metal material；Certainly, metal material here includes but not
It is limited to the composite material etc. of metal simple-substance, alloy including metal material, such as can is hard alloy, spheroidal graphite cast-iron etc..Specifically
Ground, need it is related to application scenarios, such as it is wear-resistant require high bushing inner tube for, spheroidal graphite cast-iron can be selected；It is right
For the high bushing inner tube of impact resistance, hard alloy can be selected.
Above-mentioned bushing inner tube 41 and above-mentioned bushing outer tube 44 can be molded by forging, casting or mechanical processing respectively.
Above-mentioned plastic clasp 42 is that plastic material is fixedly connected with the outer surface of above-mentioned bushing inner tube 41；It is mainly used for leading to
The shape that bushing inner tube 41 fixes rubber bushing 43 is crossed, provides certain rigidity for rubber bushing 43, therefore to hardness and strength
It is of less demanding, support shape is kept in concrete scene, such as can be nylon bush.
That is, above-mentioned bushing inner tube 41 and above-mentioned plastic clasp 42 are equivalent to the skeleton of rubber bushing 43.
Above-mentioned rubber bushing 43 be rubber material, can respectively with outside the inner surface of above-mentioned plastic clasp 42, above-mentioned bushing
The inner surface of pipe 44 is fixedly connected；Specifically, rubber material selection can according to reality to the elasticity of rubber bushing 43 and and
The demands such as rigidity determine which is not described herein again.
In the utility model embodiment, above-mentioned bush Assembly is generally attached with axis, can be born fractional load, be declined
Vibration damping is dynamic, reduces the functions such as noise；Therefore, above-mentioned bushing inner tube 41, plastic clasp 42, rubber bushing 43 and bushing outer tube 44 are
Coaxial arrangement.
It is understood that above-mentioned bushing inner tube 41, plastic clasp 42, rubber bushing 43 and bushing outer tube 44 can be point
Forming structure, then assembly is bush Assembly；Fractional load and vibration can be generally born in view of above-mentioned bush Assembly, therefore right
The intensity requirement being fixedly connected between aforementioned four component is higher, such as can be interference fit etc..
In the utility model embodiment, with reference to shown in Fig. 2 and Fig. 4-3, above-mentioned bush Assembly is compared to same application field
For existing bush Assembly under scape, the bushing that original bushing inner tube 6 can be changed in the utility model embodiment
Inner tube 41 and plastic clasp 42；Therefore by the whole size of bushing inner tube 41 and plastic clasp 42 and original bushing inner tube 6
Size can be identical.
It is understood that in the utility model embodiment, the size of each component and material can in above-mentioned bush Assembly
To be changed according to actual installation dimension, to factors such as the rigid demands of bush Assembly, however it is not limited to which original bushing is total
At size and material.
Compared with the existing technology, the above-mentioned bush Assembly of the utility model has the advantage that：
Compared to traditional bush Assembly, the weight of bush Assembly is reduced, vehicle lightweight can be made, promotes vehicle combustion
Oily economy.
Further, above-mentioned bushing inner tube 41 and above-mentioned plastic clasp 42 can be integrated injection molding structure.
In the utility model embodiment, above-mentioned plastic clasp 42 can be by Shooting Technique in above-mentioned bushing inner tube 41
The injection molding of outside face；Can so strengthen it is between the two be fixedly connected, avoid loosening and form in-fighting in vibration.
Further, referring to Figure 5, above-mentioned bushing inner tube 41 is provided at both ends with radially convex edge outstanding
411；The axial length of above-mentioned plastic clasp is less than the axial length of above-mentioned bushing inner tube.
In the utility model embodiment, the both ends of above-mentioned bushing inner tube 41 can be provided with radially outstanding convex
Edge, the axial length of above-mentioned plastic clasp 42 are less than the axial length of above-mentioned bushing inner tube 41.It is understood that plastic material
Intolerant to abrasion, therefore above-mentioned bushing inner tube 41 can protect above-mentioned plastic clasp 42 in the axial direction, avoid wearing；Above-mentioned rubber lining
Set 43 or above-mentioned plastic clasp provide the protection in circumferential direction, avoid wearing, can so improve above-mentioned plastic clasp, be
To the service life of bush Assembly.
In addition, with reference to shown in Fig. 6, under certain application scenarios, such as when applied to damper, with above-mentioned bushing inner tube 41
The piston rod 9 of connection can be connect etc. using nut with above-mentioned bush Assembly and is fixedly connected, it is likely that it is (outstanding fixing nut 10 occur
It is nut) situation that rubs with one end of bushing inner tube 41, it is also possible to there is the another of the convex shoulder of piston rod 9 and bushing inner tube 42
The situation of one end friction；The convex edge at the both ends of above-mentioned bushing inner tube 41 can protect plastic clasp 42 not frayed well.
Certainly, in the utility model embodiment, the both ends for not limiting bushing inner tube 41 all there must be convex edge 411,
Can only it be arranged in the one end for wear condition easily occur.
Further, above-mentioned plastic clasp 42, above-mentioned bushing outer tube 44 and above-mentioned rubber bushing 43 are integrated sulfidization molding
Structure.
In the utility model embodiment, above-mentioned rubber bushing 43 can be by sulfuration process in 42 He of above-mentioned plastic clasp
Sulfidization molding between bushing outer tube 44；It so can be with the fixed company between reinforcing rubber bushing and plastic clasp and bushing outer tube
It connects, avoids loosening and being formed in vibration in-fighting；Ensure that entire bush Assembly has enough rigidity to play fixed piston rod
Effect, takes into account six-way rigidity to meet decaying of the piston rod when driving to high frequency small vibration.
Further, with reference to shown in Fig. 4-3, Fig. 6 and Fig. 7, the outer surface of above-mentioned plastic clasp 42 is provided with annular protrusion
421；The annular groove 431 coordinated with above-mentioned annular protrusion 421 is provided in above-mentioned rubber bushing 43；In this way, can reinforce solid
Fixed connection, avoids loosening, for separate structure.Cross of the utility model embodiment to above-mentioned annular protrusion 421
The shape in section is not intended to limit, and can be rectangular, trapezoidal, triangle etc.
In the utility model embodiment, further, above-mentioned rubber bushing 43 is circumferential to coat above-mentioned 41 He of bushing inner tube
Above-mentioned plastic clasp 42.
In the utility model embodiment, in addition to the installation space for needing the reserved axis coordinated with bushing inner tube 41, on
Above-mentioned bushing inner tube 41 and above-mentioned plastic clasp 42 can circumferentially be coated by stating rubber bushing, to obtain enough rigidity, and be formed
Certain sealing forms plastic clasp and protects.
The shape of above-mentioned rubber bushing can be determined according to actual installation environment, referring for example to Fig. 6 and damping shown in Fig. 8
The upper erection support of device；The shape of above-mentioned rubber bushing can be determined according to upper bracket upper plate 1 and undersetting lower plate 2.
Include such as any of the above-described bush Assembly the invention also discloses a kind of damper.
With reference to shown in Fig. 6 and Fig. 8, above-mentioned damper includes at least upper erection support, spring (not shown), piston rod 9, consolidates
Determine the components such as nut 10；Above-mentioned upper erection support includes at least：Upper bracket upper plate 1, upper bracket lower plate 2, bearing 3, spring supporting
Pad 4, buffer stopper hold-down support 5, bushing inner tube 41, plastic clasp 42, rubber bushing 43, bushing outer tube 44；Above-mentioned piston rod 9 with
Above-mentioned bushing inner tube 41 is coaxially connected, and is fixedly connected by fixing nut 10.
With reference to shown in Fig. 5, Fig. 6, above-mentioned piston rod 9 has the flat position of axis, then correspondingly 41 corresponding tool of above-mentioned bushing inner tube
There is circumferentially positioned key 412, can be flat key, spline etc., piston rod 9 be carried out circumferentially fixed.
Compared with the existing technology, the above-mentioned damper of the utility model is in addition to the advantage with above-mentioned bush Assembly, also
It has the advantage that：
Bush Assembly after above-mentioned weight saving is typically integrated on the upper erection support of damper, inventor practice and
It is found in test, new upper erection support is more preferable to the attenuating of piston rod high frequency small vibration, promotes vehicle NVH performances, carries
Rise vehicle comfort.
It when applied to damper, tests and finds through inventor, the above-mentioned bush Assembly of the utility model embodiment is compared
In the bush Assembly of traditional bush Assembly, such as metal material, seven times or so of weight saving is relieved to original seven points
One of.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of bush Assembly, which is characterized in that bushing inner tube, plastic clasp, rubber bushing and bushing including coaxial arrangement
Outer tube；The outer surface of the bushing inner tube is fixedly connected with the plastic clasp；The plastic clasp and the bushing outer tube it
Between be fixed with the rubber bushing.
2. bush Assembly according to claim 1, which is characterized in that the bushing inner tube and the plastic clasp are integrated
Injection molding structure.
3. bush Assembly according to claim 2, which is characterized in that the bushing inner tube be provided at both ends with radially to
Outer convex edge outstanding；The axial length of the plastic clasp is less than the axial length of the bushing inner tube.
4. bush Assembly according to claim 1, which is characterized in that the plastic clasp, the bushing outer tube and described
Rubber bushing is integrated sulfidization molding structure.
5. bush Assembly according to claim 1, which is characterized in that the outer surface of the plastic clasp is provided with convex annular
It rises；The annular groove coordinated with the annular protrusion is provided in the rubber bushing.
6. bush Assembly according to claim 1, which is characterized in that the rubber bushing circumferentially coats the bushing inner tube
With the plastic clasp.
7. a kind of damper, which is characterized in that including bush Assembly such as according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817925.0U CN207648029U (en) | 2017-12-22 | 2017-12-22 | A kind of bush Assembly and damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721817925.0U CN207648029U (en) | 2017-12-22 | 2017-12-22 | A kind of bush Assembly and damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207648029U true CN207648029U (en) | 2018-07-24 |
Family
ID=62878227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721817925.0U Active CN207648029U (en) | 2017-12-22 | 2017-12-22 | A kind of bush Assembly and damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN207648029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058342A (en) * | 2018-09-25 | 2018-12-21 | 重庆长安汽车股份有限公司 | A kind of upper mounting seat |
| CN110332266A (en) * | 2019-07-17 | 2019-10-15 | 重庆恒伟林汽车零部件有限公司 | A kind of novel damping upper connecting base |
-
2017
- 2017-12-22 CN CN201721817925.0U patent/CN207648029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058342A (en) * | 2018-09-25 | 2018-12-21 | 重庆长安汽车股份有限公司 | A kind of upper mounting seat |
| CN110332266A (en) * | 2019-07-17 | 2019-10-15 | 重庆恒伟林汽车零部件有限公司 | A kind of novel damping upper connecting base |
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