CN214523250U - Dual air bag vehicle suspension system - Google Patents
Dual air bag vehicle suspension system Download PDFInfo
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- CN214523250U CN214523250U CN202120139555.XU CN202120139555U CN214523250U CN 214523250 U CN214523250 U CN 214523250U CN 202120139555 U CN202120139555 U CN 202120139555U CN 214523250 U CN214523250 U CN 214523250U
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- guide arm
- air bag
- suspension system
- vehicle suspension
- axle
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Abstract
A dual air bag vehicle suspension system is provided comprising: the frame comprises a first longitudinal beam, a second longitudinal beam, a first cross beam and a second cross beam; a first member having first to fourth connection ends, the first and second connection ends being connected to the first cross member, the third and fourth connection ends being connected to the axle; the upper end of the first support is connected with the first longitudinal beam, and the lower end of the first support is connected with the first end of the first guide arm; the upper end of the second bracket is connected with the second longitudinal beam, and the lower end of the second bracket is connected with the first end of the second guide arm; a first guide arm having a first end and a second end; a second guide arm having a first end and a second end; one end of the axle is connected with the middle part of the first guide arm, and the other end of the axle is connected with the middle part of the second guide arm; and first and second air bags; wherein the second end of the first guide arm is only connected with the first air bag, and the second end of the second guide arm is only connected with the second air bag. The utility model discloses simplify the structure, realized the lightweight.
Description
Technical Field
The utility model relates to an automobile manufacturing field especially relates to a two gasbag vehicle suspension systems.
Background
Chinese patent application number ZL20181156877.0 discloses a U type arm for air suspension, U type arm is a U type structure that is formed jointly by a pair of direction trailing arm and the torque connection spare of connecting two direction trailing arms, the one end of direction trailing arm links to each other with the suspension support, and the other end passes through gasbag and connected to the frame, has the cavity a that just holds the torque connection spare tip and stretch into in the one end of direction trailing arm, has a cavity B that holds first mounting at the tip that the torque connection spare stretches into the direction trailing arm, and this first mounting realizes being connected fixedly of torque connection spare and direction trailing arm through the screw-thread fit of a retaining member that has the screw thread section.
However, the air suspension has many parts, and it is difficult to further reduce the weight. Meanwhile, the guide supporting arm is of an I-beam structure, the tensile stress of the guide supporting arm in the actual working condition is uneven, the peak value of the tensile stress of part of the guide supporting arm is higher, and the service life of the guide supporting arm is influenced to a certain extent.
Accordingly, there is a need for a dual air bag vehicle suspension system that addresses one or more of the above-identified problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned at least one technical problem, according to the utility model discloses an aspect provides a two-airbag vehicle suspension system, its characterized in that includes:
the frame comprises a first longitudinal beam, a second longitudinal beam, a first cross beam and a second cross beam;
a first member having first to fourth connection ends, the first and second connection ends being connected to the first cross member, the third and fourth connection ends being connected to the axle;
the upper end of the first support is connected with the first longitudinal beam, and the lower end of the first support is connected with the first end of the first guide arm;
the upper end of the second bracket is connected with the second longitudinal beam, and the lower end of the second bracket is connected with the first end of the second guide arm;
a first guide arm having a first end and a second end;
a second guide arm having a first end and a second end;
one end of the axle is connected with the middle part of the first guide arm, and the other end of the axle is connected with the middle part of the second guide arm; and
the lower end of the first air bag is connected with the second end of the first guide arm, and the upper end of the first air bag is connected with the first longitudinal beam; the lower end of the second air bag is connected with the second end of the second guide arm, and the upper end of the second air bag is connected with the second longitudinal beam;
wherein the second end of the first guide arm is only connected with the first air bag, and the second end of the second guide arm is only connected with the second air bag.
According to the utility model discloses in another aspect, the first straight line that first and second link connection formed is parallel with the second straight line that third and fourth link connection formed, and first straight line is parallel with first crossbeam. Preferably, one end of the axle is connected with the middle part of the first guide arm through a first support, and the other end of the axle is connected with the middle part of the second guide arm through a second support; preferably, the first and second bladders may be replaced with first and second spring assemblies.
According to the utility model discloses in another aspect, two gasbag vehicle suspension system still include first bumper shock absorber and second bumper shock absorber, first longeron and lower extreme connection first support are connected to the upper end of first bumper shock absorber, second longeron and lower extreme connection second support are connected to the upper end of second bumper shock absorber.
According to another aspect of the present invention, the dual-airbag vehicle suspension system further comprises a bumper assembly disposed on the first longitudinal beam and/or the second longitudinal beam, wherein the bumper assembly is disposed above the axle. Preferably, the first member has a symmetrical configuration centered on the longitudinal axis.
According to the utility model discloses in another aspect, the middle part of axle has circular enlarged portion, and this circular enlarged portion is provided with circular through-hole, third and fourth link are connected with the upper portion of axle.
According to the utility model discloses in another aspect, the axle is hollow structure.
According to a further aspect of the invention, the first end of the first guiding arm is pivotally connected to the lower end of the first bracket by a first rubber bushing or a first bearing, and the first end of the second guiding arm is pivotally connected to the lower end of the second bracket by a second rubber bushing or a second bearing; the second end of the first guide arm is directly connected with or connected with the lower end of the first air bag through a first adapter, and the second end of the second guide arm is directly connected with or connected with the lower end of the second air bag through a second adapter.
According to still another aspect of the present invention, the first guide arm and the second guide arm have the same or symmetrical structure, the first guide arm has a hollow portion provided along a length direction and includes:
the first connecting part is provided with an expanded circular structure, a central through hole and can be in pivot connection with the lower end of the first bracket;
the second connecting part is connected with the first adapter;
a third connecting portion having an enlarged structure and connected to one end of the axle;
the first body is connected between the first connecting part and the third connecting part and has a structure which is gradually reduced from the first connecting part and then gradually increased to be connected with the third connecting part; and
the second body is connected between the third connecting part and the second connecting part and has a structure which is gradually reduced from the third connecting part and is connected with the second connecting part.
According to yet another aspect of the present invention, the first body and the second body are provided with a plurality of through holes.
According to the utility model discloses in another aspect, preferably, the through-hole that is close to the third connecting portion is greater than the through-hole of keeping away from the third connecting portion, and the third connecting portion are greater than first connecting portion.
The utility model discloses can obtain following one or more technological effect:
1. the double-airbag vehicle suspension assembly with the combination of the first member and the hollow guide arm is provided for the first time, a torsion connecting piece connected between the two guide arms is not needed, the structure is simplified, compared with the traditional four-airbag or eight-airbag structure with the U-shaped arm and the V-shaped push rod, the double-airbag vehicle suspension assembly further realizes light weight, and the installation and maintenance cost related to the torsion connecting piece is saved;
2. compared with the traditional I-beam-shaped guide arm, the hollow guide arm structure further balances the stress distribution under the working condition, and can further prolong the service life and/or reduce the weight under the condition of using the same-grade material;
3. the hollow guide arm structure is used in combination with the first component for the first time, so that the stress distribution under the working condition of the vehicle is further balanced;
4. the whole vehicle adopts the design of double airbags, so that the structure is further simplified, and the cost is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a dual air bag vehicle suspension system according to a preferred embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of a dual air bag vehicle suspension system in accordance with a preferred embodiment of the present invention.
Detailed Description
The best mode of the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is to be regarded as illustrative in nature and not as restrictive, and various changes and modifications may be made without departing from the spirit and scope of the present invention.
Example 1
In accordance with a preferred embodiment of the present invention, and with reference to fig. 1-3, there is provided a dual air bag vehicle suspension system comprising:
the frame comprises a first longitudinal beam 1, a second longitudinal beam 2, a first cross beam 3 and a second cross beam;
a first member 4 having first to fourth connection ends, the first and second connection ends being connected to the first cross member 3, and the third and fourth connection ends being connected to an axle 7 described below;
the upper end of the first bracket 5 is connected with the first longitudinal beam 1, and the lower end of the first bracket is connected with the first end of a first guide arm 6;
the upper end of the second bracket is connected with the second longitudinal beam 2, and the lower end of the second bracket is connected with the first end of the second guide arm;
a first guide arm 6 having a first end and a second end;
a second guide arm having a first end and a second end;
one end of the axle 7 is connected with the middle part of the first guide arm 6, and the other end is connected with the middle part of the second guide arm; and
the lower end of the first air bag 8 is connected with the second end of the first guide arm 6, and the upper end of the first air bag is connected with the first longitudinal beam 1; the lower end of the second air bag is connected with the second end of the second guide arm, and the upper end of the second air bag is connected with the second longitudinal beam 2;
wherein the second end of the first guide arm is only connected with the first air bag, and the second end of the second guide arm is only connected with the second air bag.
Preferably, a first straight line formed by connecting the first and second connecting ends is parallel to a second straight line formed by connecting the third and fourth connecting ends, and the first straight line is parallel to the first beam. It should be noted that the first member may include various structures of the connection member having the first to fourth connection ends.
According to the utility model discloses in another aspect, the one end of axle 7 is connected through first support and 6 middle parts of first guiding arm, and the other end passes through the second support to be connected with second guiding arm middle part. Preferably, the first and second bladders may be replaced with first and second spring assemblies.
According to another preferred embodiment of the present invention, the dual-airbag vehicle suspension system further comprises a first damper 9 and a second damper, wherein the first longitudinal beam 1 is connected to the upper end of the first damper 9 and the first support is connected to the lower end of the first damper, and the second longitudinal beam 2 is connected to the upper end of the second damper and the second support is connected to the lower end of the second damper.
According to another preferred embodiment of the present invention, the suspension system of the dual-airbag vehicle further comprises a bumper assembly 10 disposed on the first longitudinal beam 1 and/or the second longitudinal beam 2, wherein the bumper assembly 10 is disposed above the axle 7. Preferably, the first member has a symmetrical configuration centered on the longitudinal axis.
According to a further preferred embodiment of the invention, the axle 7 has a circular enlargement 71 in the middle, which circular enlargement 71 is provided with a circular through hole 72, and the third and fourth connection ends are connected with the upper part of the axle 7. Alternatively, the axle 7 may be of a straight tube construction.
According to a further preferred embodiment of the present invention, the axle 7 is a hollow structure.
According to a further preferred embodiment of the present invention, the first end of the first guiding arm 6 is pivotally connected to the lower end of the first bracket 5 by a first rubber bushing or a first bearing, and the first end of the second guiding arm is pivotally connected to the lower end of the second bracket by a second rubber bushing or a second bearing; the second end of the first guide arm 6 is directly connected or connected with the lower end of the first air bag 8 through a first adapter, and the second end of the second guide arm is directly connected or connected with the lower end of the second air bag through a second adapter.
According to still another preferred embodiment of the present invention, the first guide arm 6 and the second guide arm have the same or symmetrical structure, and the first guide arm 6 has a hollow portion provided along the length direction and includes:
a first connecting portion 61 having an enlarged circular structure and having a central through hole, pivotally connected to a lower end of the first bracket 5;
a second connecting portion 62 connected to the first adapter;
a third connecting portion 63 having an enlarged structure and connected to one end of the axle 7;
a first body 64 connected between the first connection portion 61 and the third connection portion 63, and having a structure gradually becoming smaller from the first connection portion 61 and then gradually becoming larger to be connected with the third connection portion 63; and
the second body 65 is connected between the third connecting portion 63 and the second connecting portion 62, and has a structure gradually reduced from the third connecting portion 63 to be connected to the second connecting portion 62.
Advantageously, adopt the utility model discloses a guiding arm structure compares in traditional I-beam shape guiding arm, further has equalled the stress distribution under the operating mode condition, under the situation of using the same trade mark material, can further improve life and/or reduce weight.
Preferably, the enlarged structure is a bushing or bearing pivotable connection. Such as a bushing or bearing pivotable connection.
According to a further preferred embodiment of the present invention, the first body 64 and the second body 65 are provided with a plurality of through holes 66. Advantageously, the provision of a plurality of through-holes facilitates the fixing and accurate positioning of the mould cores, such as sand moulds, in the respective mould by means of these through-holes when the first guide arm is integrally cast, and the through-holes facilitate the breaking and ejection of the mould cores out of the body of the guide arm when the mould is removed.
According to still another preferred embodiment of the present invention, preferably, the through hole near the third connecting portion 63 is larger than the through hole far from the third connecting portion 63, and the third connecting portion 63 is larger than the first connecting portion 61.
The utility model discloses can obtain following one or more technological effect:
1. the double-airbag vehicle suspension assembly with the combination of the first member and the hollow guide arm is provided for the first time, a torsion connecting piece connected between the two guide arms is not needed, the structure is simplified, compared with the traditional four-airbag or eight-airbag structure with the U-shaped arm and the V-shaped push rod, the double-airbag vehicle suspension assembly further realizes light weight, and the installation and maintenance cost related to the torsion connecting piece is saved;
2. compared with the traditional I-beam-shaped guide arm, the hollow guide arm structure further balances the stress distribution under the working condition, and can further prolong the service life and/or reduce the weight under the condition of using the same-grade material;
3. the hollow guide arm structure is used in combination with the first component for the first time, so that the stress distribution under the working condition of the vehicle is further balanced;
4. the whole vehicle adopts the design of double airbags, so that the structure is further simplified, and the cost is reduced.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A dual air bag vehicle suspension system comprising:
the frame comprises a first longitudinal beam, a second longitudinal beam, a first cross beam and a second cross beam;
a first member having first to fourth connection ends, the first and second connection ends being connected to the first cross member, the third and fourth connection ends being connected to the axle;
the upper end of the first support is connected with the first longitudinal beam, and the lower end of the first support is connected with the first end of the first guide arm;
the upper end of the second bracket is connected with the second longitudinal beam, and the lower end of the second bracket is connected with the first end of the second guide arm;
a first guide arm having a first end and a second end;
a second guide arm having a first end and a second end;
one end of the axle is connected with the middle part of the first guide arm, and the other end of the axle is connected with the middle part of the second guide arm; and
the lower end of the first air bag is connected with the second end of the first guide arm, and the upper end of the first air bag is connected with the first longitudinal beam; the lower end of the second air bag is connected with the second end of the second guide arm, and the upper end of the second air bag is connected with the second longitudinal beam;
wherein the second end of the first guide arm is only connected with the first air bag, and the second end of the second guide arm is only connected with the second air bag.
2. The dual air bag vehicle suspension system of claim 1 wherein a first line formed by the connection of said first and second link ends is parallel to a second line formed by the connection of said third and fourth link ends, said first line being parallel to said first cross member.
3. The dual-airbag vehicle suspension system of claim 2 wherein one end of the axle is connected to the first guide arm mid-section by a first bracket and the other end is connected to the second guide arm mid-section by a second bracket; the double-airbag vehicle suspension system further comprises a first shock absorber and a second shock absorber, the upper end of the first shock absorber is connected with the first longitudinal beam, the lower end of the first shock absorber is connected with the first support, the upper end of the second shock absorber is connected with the second longitudinal beam, and the lower end of the second shock absorber is connected with the second support.
4. The dual air bag vehicle suspension system of any one of claims 1-3 further including a bumper assembly disposed to the first longitudinal beam and/or the second longitudinal beam, said bumper assembly being located above said axle; the first member has a symmetrical configuration centered on the longitudinal axis.
5. The dual air bag vehicle suspension system of claim 1 wherein the axle has a circular enlarged portion at its center portion, the enlarged portion being provided with a circular through hole, the third and fourth attachment ends being attached to the upper portion of the axle.
6. The dual air bag vehicle suspension system of claim 5 wherein said axle is a hollow structure.
7. The dual air bag vehicle suspension system of any one of claims 1-3 wherein a first end of said first guide arm is pivotally connected to a lower end of said first bracket by a first rubber bushing or a first bearing and a first end of said second guide arm is pivotally connected to a lower end of said second bracket by a second rubber bushing or a second bearing; the second end of the first guide arm is directly connected with or connected with the lower end of the first air bag through a first adapter, and the second end of the second guide arm is directly connected with or connected with the lower end of the second air bag through a second adapter.
8. The dual-airbag vehicle suspension system according to claim 7, wherein the first guide arm and the second guide arm have the same or symmetrical structure, the first guide arm having a hollow portion provided along a length direction and comprising:
the first connecting part is provided with an expanded circular structure, a central through hole and can be in pivot connection with the lower end of the first bracket;
the second connecting part is connected with the first adapter;
a third connecting portion having an enlarged structure and connected to one end of the axle;
the first body is connected between the first connecting part and the third connecting part and has a structure which is gradually reduced from the first connecting part and then gradually increased to be connected with the third connecting part; and
the second body is connected between the third connecting part and the second connecting part and has a structure which is gradually reduced from the third connecting part and is connected with the second connecting part.
9. The dual-airbag vehicle suspension system of claim 8, wherein the first and second bodies are provided with a plurality of through-holes.
10. The dual air bag vehicle suspension system of claim 1 wherein said first and second air bags are replaceable with first and second spring assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139555.XU CN214523250U (en) | 2021-01-19 | 2021-01-19 | Dual air bag vehicle suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139555.XU CN214523250U (en) | 2021-01-19 | 2021-01-19 | Dual air bag vehicle suspension system |
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| Publication Number | Publication Date |
|---|---|
| CN214523250U true CN214523250U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120139555.XU Active CN214523250U (en) | 2021-01-19 | 2021-01-19 | Dual air bag vehicle suspension system |
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| Country | Link |
|---|---|
| CN (1) | CN214523250U (en) |
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2021
- 2021-01-19 CN CN202120139555.XU patent/CN214523250U/en active Active
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