CN207077967U - A kind of air suspension trailing arm - Google Patents
A kind of air suspension trailing arm Download PDFInfo
- Publication number
- CN207077967U CN207077967U CN201720812306.6U CN201720812306U CN207077967U CN 207077967 U CN207077967 U CN 207077967U CN 201720812306 U CN201720812306 U CN 201720812306U CN 207077967 U CN207077967 U CN 207077967U
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- trailing arm
- main body
- arm main
- air bag
- push rod
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Abstract
A kind of air suspension trailing arm, including a trailing arm main body are the utility model is related to, there is a vehicle bridge support panel in trailing arm main body, vehicle bridge fixing hole is provided with vehicle bridge support panel；One is connected to the air bag connection panel at trailing arm main body both ends, and air bag connection panel is connected by a reclinate arc linkage section with trailing arm main body；A pair of straight push rod connecting seats for being connected to trailing arm main body lower end, have straight push rod installation through-hole in the lower end of straight push rod connecting seat；One is disposed therein an arc linkage section upper end and horizontally disposed shock absorber mounting hole；One is arranged on another arc linkage section lower end and horizontally disposed semicircle stabiliser bar installation groove.The utility model has the advantage of：It is attached for air bag connection panel with trailing arm main body by a reclinate arc linkage section, so as to reduce the height of air bag connection panel, the setting height(from bottom) of corresponding air bag also just reduces, and overall center of gravity also just have dropped, and structure also can more be stablized.
Description
Technical field
Automobile manufacturing field is the utility model is related to, more particularly to a kind of air suspension trailing arm.
Background technology
Air suspension of automobile assembly is the substitute of automobile leaf spring, according to Ministry of Communications《Operating passenger car Type division and
Ranking》Regulation, from 1 day January in 2007, large-scale high one-level car, medium-sized high two level car will also use air suspension,
So that 2007 Nian Hou China air suspension assembling amounts greatly improve.Air suspension of passenger car left/right hunched beam is the pass of air suspension
Key part, complicated, reliability, security, damping property require high, and manufacture difficulty is big.Current air suspension of passenger car left/right
Hunched beam uses forged steel weldment structure, and weight is big, and parts are more, manufacturing process head, and cost is high；Due to being welding structure, also
The phenomenon of stress concentration be present, cause hunched beam to damage.The tie point of damper is right angle setting hole, due to movement interference, is subtracted
The connecting rod of shake device has breakage phenomenon.
Therefore, for above-mentioned phenomenon, a kind of air suspension of passenger car left/right support is just refer in patent CN202192958U
Arm boom support, panel is connected by bottom plate, the connection end of lateral stability connecting rod, the connection end of longitudinal stability connecting rod, air bag, subtracted
The tie point of shake device is integrally constituted, and is characterized in that：Material uses QT600-3 spheroidal graphite cast-iron, and the tie point of damper is
A rocker bar bearing on bottom plate；Bottom plate, the connection end of lateral stability connecting rod, the connection end of longitudinal stability connecting rod, air bag
It is an entirety that panel, rocker bar bearing, which are connected, by casting once-forming.The utility model is the tie point of damper by original
Right angle setting hole be improved to rocker bar bearing, avoid the problem of connecting rod of damper fractures.Using QT600-3 spheroidal graphite cast-iron
For material, each functional part one-step casting is configured to an entirety, both adds intensity, and can mitigates weight, is produced into
This has saved more than 30%, realized energy-saving compared with forged steel weldment.
Although the connecting rod that the left/right trailing arm boom support in said structure also solves the problems, such as damper fractures, realize
It is energy-saving.But it is during use, however it remains the defects of certain：What the height of its air bag connection panel was done
It is relatively high, and air bag connection panel is used for installing air bag, therefore along with air bag connection panel adds the height of air bag
Degree is just relatively high, and then overall structure will be done relatively high, and not only installation is inconvenient, structure also less stable.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, can reduce overall structure height, and structure is more stable
Air suspension trailing arm.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of air suspension trailing arm, its innovative point
It is：Including
One trailing arm main body, the upper surface of the trailing arm main body has a vehicle bridge support panel to raise up, in vehicle bridge branch
The vehicle bridge fixing hole of four rectangular shape distributions is provided with support panel；
One is connected to the air bag connection panel at trailing arm main body both ends, and the air bag connection panel passes through a reclinate arc
Shape linkage section is connected with trailing arm main body, so that the height of air bag connection panel is not higher than the height of trailing arm main body, in air bag
Connecting the medium position of panel has a positioning mounting hole；
One is connected to the straight push rod connection unit of trailing arm main body lower end, and the straight push rod connection unit is arranged on including a pair
The straight push rod connecting seat of trailing arm main body lower end both sides, have one to hold straight push rod installation in the lower end of straight push rod connecting seat and level is set
The straight push rod installation through-hole put；
One damper connection unit, the damper connection unit are disposed therein an arc linkage section upper end including one
And horizontally disposed shock absorber mounting hole, the shock absorber mounting hole are located at close to one end of trailing arm main body；
One QS connection unit, the QS connection unit are arranged on the connection of another arc including one
Section lower end and horizontally disposed semicircle stabiliser bar installation groove, stabiliser bar installation groove is positioned at close to the one of trailing arm main body
End, and the axis of stabiliser bar installation groove is parallel with the axis of shock absorber mounting hole, the axis phase with straight push rod installation through-hole
Vertically.
Further, lightening grooves are provided with trailing arm main body, arc linkage section.
Further, the centre position that the vehicle bridge support panel upper surface is located at vehicle bridge fixing hole also has a pair of positioning
Hole.
Further, the upper end of the air bag connection panel also has additional cushion block.
The utility model has the advantage of：In the utility model, connect panel for air bag and pass through one with trailing arm main body
Reclinate arc linkage section is attached, and so as to reduce the height of air bag connection panel, the installation of corresponding air bag is high
Degree also just reduces, and overall center of gravity also just have dropped, and structure also can more be stablized.
By being provided with lightening grooves on trailing arm main body, arc linkage section, ensureing trailing arm main body and arc linkage section
On the basis of structural strength, trailing arm main body, the weight of arc linkage section can be mitigated, and then alleviate the weight of whole trailing arm,
To realize that the overall lightweight of air suspension provides the foundation.
In the utility model, positioning hole is set up in the upper surface of vehicle bridge support panel, also for facilitating determining for vehicle bridge
Position installation.
Cushion block is set for the upper end of air bag connection panel, when the size of air bag is smaller, air bag can be with air bag joint face
Certain gap is left between plate, now can be by setting up cushion block between connecting panel in air bag and air bag to compensate this part
Gap, ensure the stabilization of connection.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the schematic diagram of air suspension trailing arm of the present utility model.
Fig. 2 is the front view of air suspension trailing arm of the present utility model.
Fig. 3 is the side view of air suspension trailing arm of the present utility model.
Embodiment
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among described scope of embodiments.
A kind of air suspension trailing arm as shown in Figure 1-Figure 3, including
One trailing arm main body 11, there is a vehicle bridge support panel 12 to raise up in the upper surface of trailing arm main body 11, in car
The vehicle bridge fixing hole 13 of four rectangular shape distributions is provided with bridge support panel 12.
The centre position for being located at vehicle bridge fixing hole 13 in the upper surface of vehicle bridge support panel 12 also has a pair of positioning holes 22.
Positioning hole 22 is set up in the upper surface of the plate of vehicle bridge supporting surface 12, also for the location and installation for facilitating vehicle bridge.
One is connected to the air bag connection panel 14 at the both ends of trailing arm main body 11, and air bag connection panel 14 is reclinate by one
Arc linkage section 15 is connected with trailing arm main body 11, so that the height of air bag connection panel 14 is not higher than the height of trailing arm main body 11
Degree, there is a positioning mounting hole 16 in the medium position of air bag connection panel 14, lead to for air bag connection panel with trailing arm main body
Cross a reclinate arc linkage section 16 to be attached, so as to reduce the height of air bag connection panel 14, corresponding air bag
Setting height(from bottom) also just reduce, overall center of gravity also just have dropped, and structure also can more be stablized.
Cushion block is also had additional in the upper end of air bag connection panel 14.For the upper end of air bag connection panel 14, cushion block is set,
When the size of air bag is smaller, certain gap is left between air bag meeting and air bag connection panel 14, now can be by air bag
It is connected with air bag between panel 14 and sets up cushion block to compensate the gap of this part, ensures the stabilization of connection, while installation is also compared
Convenience.
One is connected to the straight push rod connection unit of the lower end of trailing arm main body 11, and the straight push rod connection unit is arranged on including a pair
The straight push rod connecting seat 17 of the lower end both sides of trailing arm main body 11, have one to hold straight push rod installation simultaneously in the lower end of straight push rod connecting seat 17
Horizontally disposed straight push rod installation through-hole 18.
One damper connection unit, the damper connection unit are disposed therein a upper end of arc linkage section 16 including one
And horizontally disposed shock absorber mounting hole 19, the shock absorber mounting hole 19 are located at close to one end of trailing arm main body 11.
One QS connection unit, the QS connection unit are arranged on another arc linkage section including one
16 lower ends and horizontally disposed semicircle stabiliser bar installation groove 20, stabiliser bar installation groove 20 is positioned at close to trailing arm main body 11
One end, while the both ends for being located in the lower end of arc top linkage section 16 stabiliser bar installation groove 20 are additionally provided with a pair of stabiliser bars peaces
Hole is filled, the axis of stabiliser bar installation groove 20 is parallel with the axis of shock absorber mounting hole 19, with straight push rod installation through-hole 18
Axis perpendicular.
Lightening grooves 21 are provided with trailing arm main body 11, arc linkage section 16.By in trailing arm main body 11, arc linkage section
Lightening grooves 21 are provided with 16, on the basis of the structural strength of trailing arm main body 11 and arc linkage section 16 is ensured, can be mitigated
The weight of trailing arm main body 11, arc linkage section 16, and then the weight of whole trailing arm is alleviated, to realize the light of air suspension entirety
Quantization provides the foundation.
It should be understood by those skilled in the art that the utility model is not restricted to the described embodiments, above-described embodiment and
Simply illustrate principle of the present utility model described in specification, on the premise of the spirit and scope of the utility model is not departed from,
The utility model also has various changes and modifications, and these changes and improvements both fall within claimed the scope of the utility model
It is interior.The utility model requires protection scope is by appended claims and its equivalent thereof.
Claims (4)
- A kind of 1. air suspension trailing arm, it is characterised in that：IncludingOne trailing arm main body, the upper surface of the trailing arm main body has a vehicle bridge support panel to raise up, in vehicle bridge supporting surface The vehicle bridge fixing hole of four rectangular shape distributions is provided with plate；One is connected to the air bag connection panel at trailing arm main body both ends, and the air bag connection panel is connected by a reclinate arc Connect section to be connected with trailing arm main body, so that the height of air bag connection panel is not higher than the height of trailing arm main body, connected in air bag The medium position of panel has a positioning mounting hole；One is connected to the straight push rod connection unit of trailing arm main body lower end, and the straight push rod connection unit is arranged on trailing arm including a pair The straight push rod connecting seat of main body lower end both sides, installed in the lower end of straight push rod connecting seat with a straight push rod of appearance and horizontally disposed Straight push rod installation through-hole；One damper connection unit, the damper connection unit are disposed therein an arc linkage section upper end and water including one The flat shock absorber mounting hole set, the shock absorber mounting hole are located at close to one end of trailing arm main body；One QS connection unit, the QS connection unit are arranged under another arc linkage section including one Hold and horizontally disposed semicircle stabiliser bar installation groove, stabiliser bar installation groove are located at close to one end of trailing arm main body, and The axis of stabiliser bar installation groove is parallel with the axis of shock absorber mounting hole, the axis perpendicular with straight push rod installation through-hole.
- 2. air suspension trailing arm according to claim 1, it is characterised in that：On trailing arm main body, arc linkage section It is provided with lightening grooves.
- 3. air suspension trailing arm according to claim 1, it is characterised in that：The vehicle bridge support panel upper surface is located at The centre position of vehicle bridge fixing hole also has a pair of positioning holes.
- 4. air suspension trailing arm according to claim 1, it is characterised in that：The upper end of the air bag connection panel also increases Provided with cushion block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812306.6U CN207077967U (en) | 2017-07-06 | 2017-07-06 | A kind of air suspension trailing arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812306.6U CN207077967U (en) | 2017-07-06 | 2017-07-06 | A kind of air suspension trailing arm |
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| Publication Number | Publication Date |
|---|---|
| CN207077967U true CN207077967U (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720812306.6U Active CN207077967U (en) | 2017-07-06 | 2017-07-06 | A kind of air suspension trailing arm |
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| CN (1) | CN207077967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199840A (en) * | 2017-07-06 | 2017-09-26 | 江苏汤臣汽车零部件有限公司 | A kind of air suspension trailing arm |
-
2017
- 2017-07-06 CN CN201720812306.6U patent/CN207077967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199840A (en) * | 2017-07-06 | 2017-09-26 | 江苏汤臣汽车零部件有限公司 | A kind of air suspension trailing arm |
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