CN209621917U - A kind of Rear secondary frame for vehicle back bush - Google Patents
A kind of Rear secondary frame for vehicle back bush Download PDFInfo
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- CN209621917U CN209621917U CN201821600708.0U CN201821600708U CN209621917U CN 209621917 U CN209621917 U CN 209621917U CN 201821600708 U CN201821600708 U CN 201821600708U CN 209621917 U CN209621917 U CN 209621917U
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- wall
- inner tube
- secondary frame
- rear secondary
- vehicle back
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Abstract
The utility model discloses a kind of Rear secondary frame for vehicle back bush, including bush body, the bush body includes outer tube, channel rubber, two limited blocks and the inner tube made of aluminum material, it is longitudinal among said inner tube to extend the mounting hole being equipped with through upper and lower surface, said inner tube offers at least one internal cavities for running through upper and lower surface along longitudinal direction, each internal cavities are located on the outside of the mounting hole, the channel rubber is sheathed between the outer tube and said inner tube, the channel rubber inner wall is adhesively fixed with said inner tube outer wall, the channel rubber outer wall is adhesively fixed with the outer tube wall, formula symmetrical above and below is set on said inner tube upper and lower ends outer wall two limited blocks respectively, bush body, which passes through the mounting hole by bolt, can release formula fixed to vehicle body.A kind of Rear secondary frame for vehicle back bush of the utility model reduces the weight of inner tube under the premise of meeting bolt clamping force and not being crushed, to reduce bush body weight, reduces cost, improves manufacture efficiency.
Description
Technical field
The utility model relates to a kind of Rear secondary frame for vehicle back bushes, more particularly to a kind of light-weight, at low cost rear secondary vehicle
Frame back bush.
Background technique
With the rapid development of economy, people are handling to automobile, more stringent requirements are proposed for durability, comfort.Rubber
Glue element is good with its anti-vibration performance, has many advantages, such as elastic characteristic and attenuation characteristic, it has also become indispensable important on automobile
Element.For multi link rear suspension, subframe and vehicle body are flexibly connected by common bushing, play vibration isolation, buffer road
The effect of face impact, existing Rear secondary frame for vehicle back bush provide axial vibration damping, radial vibration-reducing when primarily serving wheel and moving up and down
Effect.As shown in Figure 1, common Rear secondary frame for vehicle back bush is rubber bushing ontology 01, the rubber bushing ontology 01 includes
Channel rubber 02, aluminium alloy inner tube 03, aluminium alloy outer tube 04 and limited block 05, wherein channel rubber 02 is respectively and in aluminium alloy
Pipe 03, aluminium alloy outer tube 04 are vulcanized by bonding, then carry out radial limit by limited block 05.
Inner tube structure used by Rear secondary frame for vehicle back bush used at present be it is solid, outer tube is aluminum material, and rubber
Glue upper and lower end face is without denoising structure.Such bush structure has the following problems:
1. inner tube uses aluminum material, structure is designed as broad in the middle small in ends, need to be formed using process for machining, part is raw
Produce at high cost, low efficiency；
2. outer tube uses aluminum material, though, higher cost smaller than ironware weight；
3. the rubber part of the upper and lower endface of bushing lacks denoising structure, when larger axial impact occurs for bushing, it is easy
Abnormal sound is generated with vehicle body and gasket collision.
Summary of the invention
The utility model is completed to solve in the prior art insufficient, and the purpose of the utility model is to provide one
Kind reduces bush body weight under the premise of meeting bolt clamping force and not being crushed, and reduces cost, improves the rear pair of manufacture efficiency
Vehicle frame back bush.
A kind of Rear secondary frame for vehicle back bush of the utility model, including bush body, the bush body include outer tube, rubber
Interlayer, two limited blocks and the inner tube made of aluminum material, said inner tube centre is longitudinal to extend the peace being equipped with through upper and lower surface
Hole is filled, said inner tube offers at least one internal cavities for running through upper and lower surface along longitudinal direction, and each internal cavities ring is set
On the outside of the mounting hole, the channel rubber is sheathed between the outer tube and said inner tube, the channel rubber inner wall with
Said inner tube outer wall is adhesively fixed, and the channel rubber outer wall is adhesively fixed with the outer tube wall, two limited blocks point
It is not set on said inner tube upper and lower ends outer wall, the bush body can release formula across the mounting hole by bolt and fix
To vehicle body.
A kind of Rear secondary frame for vehicle back bush of the utility model may also is that
Inner wall at left and right sides of the outer tube is respectively equipped with inwardly protruded concave wall, and the channel rubber outer wall is equipped with
The ring-shaped depression wall opposite with two concave walls, the ring-shaped depression wall outside and concave wall outside are adhesively fixed.
The outer tube outer wall is equipped at least one weight loss groove.
The weight loss groove is two, and two weight loss grooves are distributed in respectively on the outer tube outer wall.
The internal cavities are four, and four internal cavities are longitudinally passed through along said inner tube surrounding upper and lower surface respectively
It wears, four internal cavities are set to the mounting hole surrounding at equal intervals respectively.
The outer tube is made of plastic material.
The channel rubber upper end is set there are four the first contact surface, and four first contact surfaces are uniformly arranged on respectively
Channel rubber upper end surrounding, four first contact surface outer surfaces are distributed with the first salient point respectively, and described first
Salient point can release formula with the bushing mating surface on the downside of vehicle body respectively and offset.
Four contact surface transversal cross-sections are in crescent shape.
The channel rubber lower end is set there are two the second releasing face, and two second contact surface outer surfaces are respectively equipped with
Second salient point, second salient point can release formula with the gasket of the bolt head respectively and offset.
Said inner tube is made of aluminum alloy materials.
A kind of Rear secondary frame for vehicle back bush of the utility model, including bush body, the bush body include outer tube, rubber
Interlayer, two limited blocks and the inner tube made of aluminum material, said inner tube centre is longitudinal to extend the peace being equipped with through upper and lower surface
Hole is filled, said inner tube offers at least one internal cavities for running through upper and lower surface along longitudinal direction, and each internal cavities ring is set
On the outside of the mounting hole, the channel rubber is sheathed between the outer tube and said inner tube, the channel rubber inner wall with
Said inner tube outer wall is adhesively fixed, and the channel rubber outer wall is adhesively fixed with the outer tube wall, two limited blocks point
It is not set on said inner tube upper and lower ends outer wall, the bush body can release formula across the mounting hole by bolt and fix
To vehicle body.In this way, bush body, which passes through mounting hole by bolt, can release formula fixed on vehicle body, the inner tube of bush body is used
Aluminum material is made, and inner tube offers at least one internal cavities for running through upper and lower surface along longitudinal direction, mitigated by internal cavities in
The weight of pipe improves manufacture efficiency to mitigate the weight of bush body, while interior pipe stiffness made of aluminum material also meets and holds
It is not crushed by bolt clamping.A kind of Rear secondary frame for vehicle back bush of the utility model, has the advantage that in terms of existing technologies
Be: reducing the weight of inner tube under the premise of meeting bolt clamping force and not being crushed, to reduce bush body weight, reduce at
This, improves manufacture efficiency.
Detailed description of the invention
Fig. 1 is the Rear secondary frame for vehicle back bush longitudinal direction internal anatomy of the prior art.
Fig. 2 is the perspective view of the Rear secondary frame for vehicle back bush of utility model.
Fig. 3 is the generally longitudinally sectional drawing of the Rear secondary frame for vehicle back bush of utility model.
Fig. 4 is the outer tube longitudinal direction sectional drawing of the Rear secondary frame for vehicle back bush of utility model.
Fig. 5 is the channel rubber longitudinal direction sectional drawing of the Rear secondary frame for vehicle back bush of utility model.
Fig. 6 is the inner tube longitudinal direction sectional drawing of the Rear secondary frame for vehicle back bush of utility model.
Fig. 7 is the limited block longitudinal direction sectional drawing of the Rear secondary frame for vehicle back bush of utility model.
Fig. 8 is generally longitudinally sectional drawing after being rotated by 90 ° of the Rear secondary frame for vehicle back bush of Fig. 3.
Fig. 9 is longitudinal sectional drawing after the outer tube of the Rear secondary frame for vehicle back bush of Fig. 4 is rotated by 90 °.
Figure 10 is longitudinal sectional drawing after the channel rubber of the Rear secondary frame for vehicle back bush of Fig. 5 is rotated by 90 °.
Figure 11 is longitudinal sectional drawing after the inner tube of the Rear secondary frame for vehicle back bush of Fig. 6 is rotated by 90 °.
Figure 12 is longitudinal sectional drawing after the limited block of the Rear secondary frame for vehicle back bush of Fig. 7 is rotated by 90 °.
Figure 13 is the Rear secondary frame for vehicle back bush and vehicle body scheme of installation of utility model.
Figure 14 is that the Rear secondary frame for vehicle back bush of utility model is inverted schematic diagram.
Figure number explanation
1 ... bush body 2 ... inner tube 3 ... mounting hole
4 ... internal cavities 5 ... outer tube 6 ... concave walls
7 ... the first contact surfaces of channel rubber 8 ... ring-shaped depression wall 10 ...
11 ... first the second salient point of salient point 12 ... 13 ... weight loss grooves
14 ... limited block 15 ... bolt 16 ... gaskets
17 ... the second contact surfaces of vehicle body 18 ...
Specific embodiment
Fig. 2 to Figure 14 with reference to the accompanying drawing to a kind of Rear secondary frame for vehicle back bush of the utility model further specifically
It is bright.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to shown in Fig. 2 to Figure 14, including bush body 1, described
Bush body 1 includes outer tube 5, channel rubber 7, two limited blocks 14 and inner tube 2 made of aluminum material, among said inner tube 2
Longitudinal to extend the mounting hole 3 being equipped with through upper and lower surface, said inner tube 2 offers at least one through upper and lower surface along longitudinal direction
Internal cavities 4, each internal cavities 4 are located on 3 outside of mounting hole, and the channel rubber 7 is sheathed on the outer tube 5
Between said inner tube 2,7 inner wall of channel rubber is adhesively fixed with 2 outer wall of said inner tube, 7 outer wall of channel rubber with
5 inner wall of outer tube is adhesively fixed, and two limited blocks 14 are respectively sleeved on 2 upper and lower ends outer wall of said inner tube, described
Bush body 1, which passes through the mounting hole 3 by bolt 15, can release formula fixed to vehicle body 17.Specifically, bush body 1 passes through
Bolt 15, which passes through mounting hole 3, can release formula fixed on vehicle body 17, and the inner tube 2 of bush body 1 is made of aluminum material, inner tube 2
At least one internal cavities 4 for running through upper and lower surface is offered along longitudinal direction, mitigates the weight of inner tube 2 by internal cavities 4, thus
Mitigate the weight of bush body 1, improves manufacture efficiency, while 2 rigidity of inner tube made of aluminum material also meets receiving bolt 15 and presss from both sides
It is not crushed tightly.Compared with the existing technology the advantages of, is: the weight of inner tube 2 is reduced under the premise of meeting 15 clamping force of bolt and not being crushed
Amount reduces cost to reduce 1 weight of bush body, improves manufacture efficiency.It can be with outer tube 5 and channel rubber 7 and inner tube
2 are integrally formed by vulcanization, and two limited blocks 14 are set on 2 upper and lower ends outer wall of said inner tube by interference fit technique.
Wherein the effect of limited block 14 is to carry out radial limit.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
It may also is that the inner wall of 5 left and right sides of the outer tube is respectively equipped with inwardly protruded concave wall 6, the rubber on the basis of case
7 outer wall of interlayer is equipped with the ring-shaped depression wall 8 opposite with two concave walls 6,8 outside of ring-shaped depression wall with it is described convex
It rises and is adhesively fixed on the outside of wall 6.In this way, 5 left and right sides inner wall of outer tube is respectively equipped with inwardly protruded convex as shown in Fig. 2 to 12
Play wall 6,7 outer wall of channel rubber also is provided with the ring-shaped depression wall 8 opposite with concave wall 6, the inner wall of 5 left and right sides of outer tube with it is corresponding
7 outer wall of channel rubber be adhesively fixed, centre do not have gap.It is also possible that as shown in fig. 7, two 14 sections of limited block point
Cheng not be T-shaped, formula symmetrical above and below is set on 2 upper and lower ends outer wall of said inner tube two limited blocks 14 respectively.By this rubber
Ontology is rotated by 90 °, and as shown in figure 12, two 14 sections of limited block are in " n " font respectively, and two limited blocks 14 are distinguished symmetrical above and below
Formula is set on 2 upper and lower ends outer wall of said inner tube.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
It may also is that 5 outer wall of outer tube is equipped at least one weight loss groove 13 on the basis of case.In this way, 5 outer wall of outer tube is equipped at least
One weight loss groove 13, further mitigation weight, reduce production cost.On the basis of the technical solution described in front further
It is preferred that are as follows: the weight loss groove 13 is two, and two weight loss grooves 13 are distributed in respectively on 5 outer wall of outer tube.In this way, outer tube
Two weight loss grooves 13 are distributed on 5 outer walls, further mitigation weight.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
It may also is that the internal cavities 4 are four on the basis of case, four internal cavities 4 are respectively in 2 surrounding of said inner tube
Lower surface is longitudinally run through, and four internal cavities 4 are set to 3 surrounding of mounting hole at equal intervals respectively.In this way, bush body
1 inside uses aluminum material to guarantee 2 rigidity of inner tube to meet and bear the clamping requirement of bolt 15, and four internal cavities 4 are arranged in inner tube 2,
It is formed by extrusion process, the weight for further mitigating inner tube 2 further decreases to realize 1 weight saving of bush body
Production cost improves working efficiency.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
It may also is that the outer tube 5 is made of plastic material on the basis of case.In this way, outer tube 5 is adopted while ensuring 2 rigidity of inner tube
It is made of plastic material, further mitigates weight, reduce production cost.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
On the basis of case it may also is that 7 upper end of channel rubber is set there are four the first contact surface 10, four first contact surfaces
10 are uniformly arranged on the 7 upper end surrounding of channel rubber respectively, and four 10 outer surfaces of the first contact surface are distributed set respectively
There is the first salient point 11, first salient point 11 can release formula with the bushing mating surface of 17 downside of vehicle body respectively and offset.In this way, rubber
Interlayer 7 is set on top there are four the first contact surface 10, and it is convex to be distributed with first respectively on this four 10 upper surfaces of the first contact surface
Point 11, bush body 1 is matched with 17 bushing of vehicle body when vehicle body 17 being effectively prevent to move up and down when vehicle body 17 moves up and down
Conjunction face generates abnormal sound, reaches and improves vehicle comfort and NVH performance.It is further excellent on the basis of the technical solution described in front
Be selected as: four 11 transversal cross-sections of contact surface are in crescent shape.In this way, as shown in Fig. 2, horizontal cross-section is in the contact surface of crescent shape
11 arc-shaped faces are corresponding with 7 inside of channel rubber, and structure is more reasonable.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
On the basis of case it may also is that 7 lower end of channel rubber is set there are two the second contact surface 18, two second contact surfaces
18 outer surfaces are respectively equipped with the second salient point 12, and gasket 16 of second salient point 12 respectively with 15 head of bolt can release formula
It offsets.In this way, as shown in Figure 13 and Figure 14, the gasket 16 that 7 lower end of channel rubber passes through the second salient point 12 and 15 head of bolt
Formula can be released to offset, bush body 1 and bolt when vehicle body 17 being effectively prevent to move up and down when vehicle body 17 moves up and down
The gasket 16 on 15 heads generates abnormal sound, reaches and improves vehicle comfort and NVH performance.
A kind of Rear secondary frame for vehicle back bush of the utility model, please refers to the technical side shown in Fig. 2 to Figure 14, described in front
It may also is that said inner tube 2 is made of aluminum alloy materials on the basis of case.In this way, the extrusion forming process of aluminum alloy materials is imitated
Rate is high, moulding material good mechanical property.
It is above-mentioned that only several specific embodiments in the utility model are illustrated, but can not be as the utility model
Protection scope, equivalent change or modification or equal proportion amplification or contracting made by all design spirits according in the utility model
It is small etc., it is deemed to fall the protection scope of the utility model.
Claims (10)
1. a kind of Rear secondary frame for vehicle back bush, it is characterised in that: including bush body (1), the bush body (1) includes outer tube
(5), channel rubber (7), two limited blocks (14) and the inner tube made of aluminum material (2), the intermediate longitudinal extension of said inner tube (2)
Equipped with the mounting hole (3) for running through upper and lower surface, said inner tube (2) offers at least one inside for running through upper and lower surface along longitudinal direction
Cavity (4), each internal cavities (4) are located on the outside of the mounting hole (3), and the channel rubber (7) is sheathed on described
Between outer tube (5) and said inner tube (2), channel rubber (7) inner wall is adhesively fixed with said inner tube (2) outer wall, the rubber
Plastic clip layer (7) outer wall is adhesively fixed with the outer tube (5) inner wall, and two limited blocks (14) are respectively sleeved at said inner tube
(2) on upper and lower ends outer wall, the bush body (1) can release formula across the mounting hole (3) by bolt (15) and be fixed to
Vehicle body (17).
2. a kind of Rear secondary frame for vehicle back bush according to claim 1, it is characterised in that: at left and right sides of the outer tube (5)
Inner wall is respectively equipped with inwardly protruded concave wall (6), and channel rubber (7) outer wall is equipped with and two concave walls (6)
Opposite ring-shaped depression wall (8), ring-shaped depression wall (8) outside and the concave wall (6) outside are adhesively fixed.
3. a kind of Rear secondary frame for vehicle back bush according to claim 1, it is characterised in that: outer tube (5) outer wall is equipped with extremely
A few weight loss groove (13).
4. a kind of Rear secondary frame for vehicle back bush according to claim 3, it is characterised in that: the weight loss groove (13) is two,
Two weight loss grooves (13) are distributed in respectively on the outer tube (5) outer wall.
5. according to claim 1 to a kind of Rear secondary frame for vehicle back bush described in 4 any one claims, it is characterised in that: institute
Stating internal cavities (4) is four, and four internal cavities (4) are longitudinally run through along said inner tube (2) surrounding upper and lower surface respectively,
Four internal cavities (4) are set to the mounting hole (3) surrounding at equal intervals respectively.
6. according to claim 1 to a kind of Rear secondary frame for vehicle back bush described in 4 any one claims, it is characterised in that: institute
Outer tube (5) is stated to be made of plastic material.
7. according to claim 1 to a kind of Rear secondary frame for vehicle back bush described in 4 any one claims, it is characterised in that: institute
It states channel rubber (7) upper end to set there are four the first contact surface (10), four first contact surfaces (10) are uniformly arranged respectively
In the channel rubber (7) upper end surrounding, four the first contact surface (10) outer surfaces are distributed with the first salient point respectively
(11), first salient point (11) can release formula with the bushing mating surface on the downside of vehicle body (17) respectively and offset.
8. a kind of Rear secondary frame for vehicle back bush according to claim 7, it is characterised in that: four contact surface transversal cross-sections
In crescent shape.
9. according to claim 1 to a kind of Rear secondary frame for vehicle back bush described in 4 any one claims, it is characterised in that: institute
It states channel rubber (7) lower end to set there are two the second contact surface (18), two the second contact surface (18) outer surfaces are set respectively
Have the second salient point (12), second salient point (12) can release formula with the gasket (16) on the bolt (15) head respectively and offset.
10. according to claim 1 to a kind of Rear secondary frame for vehicle back bush described in 4 any one claims, it is characterised in that: institute
Inner tube (2) is stated to be made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600708.0U CN209621917U (en) | 2018-09-29 | 2018-09-29 | A kind of Rear secondary frame for vehicle back bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600708.0U CN209621917U (en) | 2018-09-29 | 2018-09-29 | A kind of Rear secondary frame for vehicle back bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621917U true CN209621917U (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821600708.0U Active CN209621917U (en) | 2018-09-29 | 2018-09-29 | A kind of Rear secondary frame for vehicle back bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966333A (en) * | 2018-09-29 | 2020-04-07 | 上汽通用五菱汽车股份有限公司 | Rear bushing of rear auxiliary frame |
-
2018
- 2018-09-29 CN CN201821600708.0U patent/CN209621917U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966333A (en) * | 2018-09-29 | 2020-04-07 | 上汽通用五菱汽车股份有限公司 | Rear bushing of rear auxiliary frame |
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