CN206485148U - Back pressure bar assembly and automobile - Google Patents
Back pressure bar assembly and automobile Download PDFInfo
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- CN206485148U CN206485148U CN201621172832.2U CN201621172832U CN206485148U CN 206485148 U CN206485148 U CN 206485148U CN 201621172832 U CN201621172832 U CN 201621172832U CN 206485148 U CN206485148 U CN 206485148U
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- steel bushing
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- back pressure
- bushing
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Abstract
The utility model is related to a kind of back pressure bar assembly and automobile, the back pressure bar assembly includes middle brace rod, first steel bushing, first bushing, second steel bushing and the second bushing, middle brace rod is solid construction, middle brace rod includes the body of rod and is connected to first welding section and the second welding section at body of rod two ends, the outer end of first welding section is provided with the first solder side that laminating is welded on the periphery of the first steel bushing, the outer end of second welding section is provided with the second solder side that laminating is welded on the periphery of the second steel bushing, first welding section is provided with the first inclined-plane for tilting and connecting with the first solder side from inside to outside, second welding section is provided with the second inclined-plane for tilting and connecting with the second solder side from inside to outside.The back pressure bar assembly occurs after bending, be not in that stress concentration and intensity are not enough, it is to avoid lateral load is excessive to cause back pressure bar to ftracture.
Description
Technical field
The utility model belongs to automotive track bar technical field, more particularly to a kind of back pressure bar assembly and automobile.
Background technology
Back pressure bar is with extensively in the vehicles such as many SUV and MPV, and it is also gathered around while vehicle load is ensured
There are good comfort property and vehicle body stability, back pressure bar is generally mounted to Rear secondary frame for vehicle assembly rear, in Vehicular turn
When, vehicle body longitudinal direction and vertical amplitude of fluctuation, increase driving comfort and stability can be suppressed.
Traditional back pressure bar assembly typically has two kinds of forms, and one kind is punch welding type, and another is circular hollow steel pipe
Type.Circular hollow steel pipe type back pressure bar assembly uses hollow design, middle circular hollow steel pipe（Middle brace rod）With two
End steel bushing is connected by welding manner, the back pressure bar assembly light weight of this structure, and structure comparatively robust, still, in
Between after connecting rod bending deformation, the surface stress of material is concentrated, and circular hollow steel pipe and two ends steel bushing bonding area are smaller,
It is not only higher to technological requirement, and it is easy to occur undercut phenomenon, the risk being broken in use is very high,
Performance requirement can not be met.And punch welding type back pressure bar assembly, middle brace rod uses U-type groove stamping steel plate, and two
Individual steel bushing is connected to the two ends of stamping steel plate, the back pressure bar assembly of this form, in middle brace rod folding by welding manner
After bending deformation, as circular hollow steel pipe type back pressure bar assembly, it is impossible to meet performance requirement.
Utility model content
Technical problem to be solved in the utility model is that easily occur undercut for existing back pressure bar assembly
Phenomenon, the risk being broken in use is very high, it is impossible to which meeting the defect of performance requirement, there is provided a kind of back pressure bar is total
Into.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：
A kind of back pressure bar assembly is provided, including middle brace rod, the first steel bushing, be fitted in first steel bushing
One bushing, the second steel bushing and the second bushing being fitted in second steel bushing, the middle brace rod are solid construction, institute
Stating middle brace rod includes the body of rod and is connected to first welding section and the second welding section at the body of rod two ends, first welding
The outer end of section is provided with the first solder side that laminating is welded on the periphery of first steel bushing, the outer end of second welding section
It is provided with the second solder side that laminating is welded on the periphery of second steel bushing, the inner area of section of first welding section
More than the surface area of the first solder side, first welding section is provided with for tilting and connecting with the first solder side from inside to outside
One inclined-plane, the inner area of section of second welding section is more than the surface area of the second solder side, and second welding section is set
There are the second inclined-plane for tilting and connecting with the second solder side from inside to outside, the folder of the radial direction on first inclined-plane and the first steel bushing
Angle is 18-20 degree, and the angle of the radial direction on second inclined-plane and the second steel bushing is 18-20 degree.
Further, the body of rod has size identical circular cross-section along its length, and first welding section leads to
Cross one end in the middle brace rod and mill out the first inclined-plane and formed, first solder side is a part for sphere；Described
Two welding sections are formed by milling out the second inclined-plane in the other end of the middle brace rod, and second solder side is the one of sphere
Part.
Further, first welding section be located at the first steel bushing axial direction both sides be each provided with one it is described first oblique
Face；The both sides that second welding section is located at the second steel bushing axial direction are each provided with second inclined-plane.
Further, first bushing include the first outer steel sleeve, the first inner sleeve and vulcanize in first outer steel sleeve and
The first rubber bodies between first inner sleeve, the first outer steel sleeve interference is fitted in first steel bushing；Second bushing
Including the second outer steel sleeve, the second inner sleeve and vulcanize the second rubber bodies between second outer steel sleeve and the second inner sleeve, it is described
Second outer steel sleeve interference is fitted in second steel bushing.
Further, the diameter parallel of first steel bushing and the second steel bushing.
Further, the body of rod includes straight bar section and arcuate segment, one end of the straight bar section and the one of the arcuate segment
End connection, the other end is connected with one end of first welding section, one end of the arcuate segment and the one of second welding section
End connection.
Further, the side of axis direction of the arcuate segment along second steel bushing is rided out.
According to back pressure bar assembly of the present utility model, because middle brace rod is solid construction, thus pusher is added
The intensity of power bar assembly.In addition, the outer end of the first welding section is provided with the first weldering that laminating is welded on the periphery of the first steel bushing
Junction, the outer end of the second welding section is provided with the second solder side that laminating is welded on the periphery of the second steel bushing, the first welding section
Inner area of section be more than the first solder side surface area, the first welding section be provided with from inside to outside tilt and with first welding
The first inclined-plane that face connects, the inner area of section of the second welding section is more than the surface area of the second solder side, and the second welding section is set
It is equipped with the second inclined-plane for tilting and connecting with the second solder side from inside to outside.So, the first welding section and the second welding section are in
Interior big outer small cone structure, the middle brace rod homogeneous relative to whole length upper section area（Circular hollow steel pipe）, welding
When, because the periphery contact area of the first solder side and the first steel bushing is larger, the second solder side is contacted with the periphery of the second steel bushing
Area is larger so that the solder side of the bonding area increase of the first welding section and the first steel bushing, the second welding section and the second steel bushing
Product increase, after back pressure bar assembly bending, middle brace rod deflection very little, total stress balance is not in bending
The problems such as stress concentration and intensity are not enough afterwards, it is to avoid the lateral load excessive phenomenon for causing back pressure bar to ftracture, and in weldering
Connect and be physically easier to perform in technique.In addition, solid the first welding section and the second welding section plays the first steel bushing of increase and the indirectly
The effect of the wall thickness of two steel bushings, further enhancing the intensity of back pressure bar assembly.It can be seen that, the back pressure bar assembly has high-strength
The good mechanical property such as degree and rigidity, can eliminate the situation of undercut.
In addition, the utility model additionally provides a kind of automobile, it includes above-mentioned back pressure bar assembly.
Brief description of the drawings
Fig. 1 is the front view for the back pressure bar assembly that the embodiment of the utility model one is provided；
Fig. 2 is the top view for the back pressure bar assembly that the embodiment of the utility model one is provided；
Fig. 3 is the enlarged drawing at a in Fig. 2；
Fig. 4 is the enlarged drawing at b in Fig. 2；
Fig. 5 is the structural representation of its middle brace rod of the back pressure bar assembly of the embodiment of the utility model one offer.
Reference in specification is as follows：
1st, middle brace rod；11st, the body of rod；111st, straight bar section；112nd, arcuate segment；12nd, the first welding section；121st, the first welding
Face；122nd, the first inclined-plane；13rd, the second welding section；131st, the second solder side；132nd, the second inclined-plane；2nd, the first steel bushing；3rd, the first lining
Set；31st, the first outer steel sleeve；32nd, the first inner sleeve；33rd, the first rubber bodies；4th, the second steel bushing；5th, the second bushing；51st, the second outer steel
Set；52nd, the second inner sleeve；53rd, the first rubber bodies.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model is solved are more clearly understood, below
With reference to drawings and Examples, the utility model is described in further detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 4, the back pressure bar assembly that the embodiment of the utility model one is provided, including middle brace rod 1,
First steel bushing 2, the first bushing 3 being fitted in first steel bushing 2, the second steel bushing 4 and it is fitted in second steel bushing 4
The second bushing 5.First bushing 3, the second bushing 5 are connected by fasteners such as bolts with subframe.
In the present embodiment, as shown in 1 to Fig. 5, the middle brace rod 1 is solid construction, and the middle brace rod 1 includes
Outside the body of rod 11 and the first welding section 12 and the second welding section 13 for being connected to the two ends of the body of rod 11, first welding section 12
End is provided with the first solder side 121 that laminating is welded on the periphery of first steel bushing 2, the outer end of second welding section 13
The second solder side 131 that laminating is welded on the periphery of second steel bushing 4 is provided with, the inner of first welding section 12 is cut
Face area is more than the surface area of the first solder side 121, and first welding section 12 is provided with to be tilted and welded with first from inside to outside
The first inclined-plane 122 that junction 121 connects, the inner area of section of second welding section 13 is more than the table of the second solder side 131
Area, second welding section 13 is provided with the second inclined-plane 132 for tilting and connecting with the second solder side 131 from inside to outside.
In the present embodiment, as shown in Figures 1 and 5, the both sides that first welding section 12 is located at the axial direction of the first steel bushing 2 are respectively set
It is equipped with first inclined-plane 122；The both sides that second welding section 13 is located at the axial direction of the second steel bushing 2 are each provided with an institute
State the second inclined-plane 132.
In the present embodiment, as shown in figure 1, the diameter parallel of the steel bushing 4 of first steel bushing 2 and second.To prevent centre from connecting
Extension bar 1 is interfered with spare wheel groove, and middle brace rod 1 is designed using bending, i.e., the described body of rod 11 includes straight bar section 111 and arcuate segment
112, one end of the straight bar section 111 is connected with one end of the arcuate segment 112（It is integrally formed）, the other end with described first weldering
Connect one end connection of section 12（It is integrally formed）, one end of the arcuate segment 112 is connected with one end of second welding section 13（One
Body is formed）.The side of axis direction of the arcuate segment along second steel bushing is rided out.
In the present embodiment, middle brace rod 1 can be obtained by solid 45# round steel pipes processing.
In the present embodiment, the processing method of middle brace rod 1 is as follows：
The position of bending will be needed on solid 45# round steel pipes（The junction of straight bar section 111 and arcuate segment 112, and
The top of arcuate segment 112）Local heating is carried out, then bending again, afterwards cold treatment mills out the first welding finally by machine work is added
Face 121, the first inclined-plane 122, the second solder side 131 and the second inclined-plane 132.
In the present embodiment, the body of rod 11 along its length there is size identical circular cross-section, the i.e. body of rod 11 to be each
Locate thickness identical round bar.First welding section 12 in one end of the middle brace rod 1 by milling out the shape of the first inclined-plane 122
Into, it is preferable that first solder side 121 is a part for sphere；Second welding section 13 passes through in the middle connection
The other end of bar 1 mills out the second inclined-plane 132 and formed, and second solder side 131 is a part for sphere.That is, add in carry out machine
In man-hour, first mill out a sphere respectively at the two ends of middle brace rod 1（It is local）, two the first inclined-planes 122 are then milled out again, with
This forms the first solder side 121 of the part for sphere on an outer face of middle brace rod 1.Same method,
The second solder side 131 of the part for sphere is formd on another outer face of middle brace rod 1.
In the present embodiment, in order to reach more preferable welding effect, the radial direction of the steel bushing 2 of the first inclined-plane 122 and first
Angle is 18-20 degree, and the angle of the radial direction of the steel bushing 5 of the second inclined-plane 132 and second is 18-20 degree.
In addition, as shown in Figures 3 and 4, first bushing 3 include the first outer steel sleeve 31, the first inner sleeve 32 and vulcanize in
The first rubber bodies 33 between the inner sleeve 32 of first outer steel sleeve 31 and first, the interference of the first outer steel sleeve 31 is fitted in described
In first steel bushing 2；Second bushing 5 includes the second outer steel sleeve 51, the second inner sleeve 52 and vulcanized in second outer steel sleeve 51
And second the second rubber bodies 53 between inner sleeve 52, the interference of the second outer steel sleeve 51 is fitted in second steel bushing 4.
According to the back pressure bar assembly of the utility model above-described embodiment, because middle brace rod is solid construction, thus
Add the intensity of back pressure bar assembly.In addition, the outer end of the first welding section is provided with the periphery that laminating is welded on the first steel bushing
On the first solder side, the outer end of the second welding section is provided with the second solder side that laminating is welded on the periphery of the second steel bushing,
The inner area of section of first welding section is more than the surface area of the first solder side, and the first welding section is provided with to be tilted simultaneously from inside to outside
The first inclined-plane connected with the first solder side, the inner area of section of the second welding section is more than the surface area of the second solder side, the
Two welding sections are provided with the second inclined-plane for tilting and connecting with the second solder side from inside to outside.So, the first welding section and second
Welding section is in interior big outer small cone structure, the middle brace rod homogeneous relative to whole length upper section area（Circular hollow
Steel pipe）, during welding, because the periphery contact area of the first solder side and the first steel bushing is larger, the second solder side and the second steel bushing
Periphery contact area it is larger so that the increase of the bonding area of the first welding section and the first steel bushing, the second welding section and the second steel
The bonding area increase of set, after back pressure bar assembly bending, middle brace rod deflection very little, total stress balance, no
The problems such as stress concentration and intensity are not enough after bending occurs, it is to avoid lateral load is excessive to cause what back pressure bar ftractureed to show
As, and be physically easier to perform in welding procedure.In addition, solid the first welding section and the second welding section plays increase by indirectly
The effect of the wall thickness of one steel bushing and the second steel bushing, further enhancing the intensity of back pressure bar assembly.It can be seen that, the back pressure bar is total
Into with the good mechanical property such as high intensity and rigidity, the situation of undercut can be eliminated.
In addition, the embodiment of the utility model one additionally provides a kind of automobile, it includes above-mentioned back pressure bar assembly.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of back pressure bar assembly, it is characterised in that including middle brace rod, the first steel bushing, be fitted in first steel bushing
In the first bushing, the second steel bushing and the second bushing being fitted in second steel bushing, the middle brace rod is solid
Structure, the middle brace rod includes the body of rod and is connected to first welding section and the second welding section at the body of rod two ends, described
The outer end of first welding section is provided with the first solder side that laminating is welded on the periphery of first steel bushing, second welding
The outer end of section is provided with the second solder side that laminating is welded on the periphery of second steel bushing, the inner of first welding section
Area of section be more than the first solder side surface area, first welding section be provided with from inside to outside tilt and with the first solder side
The first inclined-plane connected, the inner area of section of second welding section is more than the surface area of the second solder side, second weldering
Connect section and be provided with the second inclined-plane for tilting and connecting with the second solder side from inside to outside, first inclined-plane and the first steel bushing
The angle of radial direction is 18-20 degree, and the angle of the radial direction on second inclined-plane and the second steel bushing is 18-20 degree.
2. back pressure bar assembly according to claim 1, it is characterised in that the body of rod has size along its length
Identical circular cross-section, first welding section is formed by milling out the first inclined-plane in one end of the middle brace rod, described
First solder side is a part for sphere；Second welding section is oblique by milling out second in the other end of the middle brace rod
Face is formed, and second solder side is a part for sphere.
3. back pressure bar assembly according to claim 1, it is characterised in that first welding section is located at the first steel bushing axle
To both sides be each provided with first inclined-plane；The both sides that second welding section is located at the second steel bushing axial direction are each provided with
One second inclined-plane.
4. back pressure bar assembly according to claim 1, it is characterised in that first bushing include the first outer steel sleeve,
First inner sleeve and vulcanize the first rubber bodies between first outer steel sleeve and the first inner sleeve, the first outer steel sleeve interference pressure
In first steel bushing；Second bushing includes the second outer steel sleeve, the second inner sleeve and vulcanized in second outer steel sleeve
And second the second rubber bodies between inner sleeve, the second outer steel sleeve interference is fitted in second steel bushing.
5. back pressure bar assembly according to claim 1, it is characterised in that the axis of first steel bushing and the second steel bushing
It is parallel.
6. the back pressure bar assembly according to claim 1-5 any one, it is characterised in that the body of rod includes straight bar section
And arcuate segment, one end of the straight bar section is connected with one end of the arcuate segment, one end of the other end and first welding section
Connection, one end of the arcuate segment is connected with one end of second welding section.
7. back pressure bar assembly according to claim 6, it is characterised in that axle of the arcuate segment along second steel bushing
The side in line direction is rided out.
8. a kind of automobile, it is characterised in that including the back pressure bar assembly described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172832.2U CN206485148U (en) | 2016-10-26 | 2016-10-26 | Back pressure bar assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621172832.2U CN206485148U (en) | 2016-10-26 | 2016-10-26 | Back pressure bar assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206485148U true CN206485148U (en) | 2017-09-12 |
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ID=59769087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621172832.2U Active CN206485148U (en) | 2016-10-26 | 2016-10-26 | Back pressure bar assembly and automobile |
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| Country | Link |
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| CN (1) | CN206485148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109515094A (en) * | 2018-12-29 | 2019-03-26 | 新乡市合众鑫辉车业有限公司 | A kind of electric car rear suspension structure |
| CN109532368A (en) * | 2017-09-22 | 2019-03-29 | 天津市冠通汽车部件制造有限公司 | A kind of novel anti-sway bar band bearing assembly |
-
2016
- 2016-10-26 CN CN201621172832.2U patent/CN206485148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532368A (en) * | 2017-09-22 | 2019-03-29 | 天津市冠通汽车部件制造有限公司 | A kind of novel anti-sway bar band bearing assembly |
| CN109515094A (en) * | 2018-12-29 | 2019-03-26 | 新乡市合众鑫辉车业有限公司 | A kind of electric car rear suspension structure |
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