CN109435608A - A kind of U-shaped arm of air suspension - Google Patents
A kind of U-shaped arm of air suspension Download PDFInfo
- Publication number
- CN109435608A CN109435608A CN201811568770.0A CN201811568770A CN109435608A CN 109435608 A CN109435608 A CN 109435608A CN 201811568770 A CN201811568770 A CN 201811568770A CN 109435608 A CN109435608 A CN 109435608A
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- twist connection
- connection
- trailing arm
- twist
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
- B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/006—Attaching arms to sprung or unsprung part of vehicle, characterised by comprising attachment means controlled by an external actuator, e.g. a fluid or electrical motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
Abstract
The present invention relates to a kind of U-shaped arms of air suspension, the U-shaped arm is a U-shaped structure being collectively formed by the twist connection of two guiding trailing arms of a pair of of guiding trailing arm and connection, one end of the guiding trailing arm is connected with suspension strut, the other end is connect by air bag with vehicle frame, there is the cavity A for just accommodating and protruding into twist connection end in one end of guiding trailing arm, there is a cavity B for accommodating the first fixing piece in the end that twist connection protrudes into guiding trailing arm, first fixing piece realizes that twist connection is connected and fixed with guiding trailing arm by being threadedly engaged for a locking member with thread segment.The present invention has the advantages that for constituting the connection between the guiding trailing arm of U-shaped arm and twist connection, using first grafting pre-connection, recycle the mode of fixing piece and locking member locked, it is ensured that the bonding strength between guiding trailing arm and twist connection meets the needs of load.
Description
Technical field
The present invention relates to a kind of air suspension, the U-shaped arm of specifically a kind of air suspension.
Background technique
Lightweight is the inexorable trend of worldwide vehicle development, and " air suspension " gradually substitutes steel plate with its superior performance and hang
It hangs.Airsuspension system is the advanced product for being popular in current developed country's automobile industry, in developed country, 100% it is medium-sized with
Truck, trailer and the tractor of upper car, 40% or more have all used AIRMATIC Dual Control, its biggest advantage is that: it can not only mention
The riding comfort of high occupant, and can play a protective role to road.In recent years, China's automobile industry AIRMATIC Dual Control
Usage amount is significantly increased.The dosage of compressed air is relatively large in AIRMATIC Dual Control, in order to meet the amount of compressed air, often needs
The quantity or volume for increasing air accumulator, not only increase the weight of vehicle body, improve oil consumption, increase braking system weight and
Cost, and it is highly prone to the limitation of gas receiver arrangement space, difficult arrangement.
Therefore, a kind of Integral U-shaped arm air suspension system is just referred in patent CN207725169U, belongs to air
Suspension Technique field.It is characterized by comprising gas receiver crossbeam, U-shaped arm, damper and air spring, U-shaped arm one end installation subtracts
Device and air spring are shaken, the other end installs gas receiver crossbeam by two groups of U-shaped arm supports, and gas receiver cross rail inner connection V-type pushes away
Power bar.The utility model changes the beam structure of existing air suspension, using the storing gas barrel type crossbeam of light-weight design, is furnished with V
Type distance rod interface, gas receiver ontology not only has the function of storing compressed air, and its preferable intensity can be simultaneous
Has horizontal beam action, smooth design facilitates installation and carries other air path elements and connecting component；Storing gas barrel type beam structure
Simply, gas receiver volume is not only increased, vehicle-mounted air supply is increased, and the installation for having saved gas receiver and crossbeam is empty
Between, and realize lightweight purpose.
In above structure, for the structure of its U-shaped arm, need to install the components such as air bag, suspension strut on U-shaped arm, it is whole
A U-shaped arm needs to undertake load vertically upward, especially needs to undertake in the junction of leading arm and Guan Liang a certain proportion of
Load, and in the U-shaped arm configuration in above-mentioned patent, between leading arm and Guan Liang using the side being directly welded and fixed
Formula is thus easy to cause bonding strength between the two not reach requirement, i.e., the requirement of load required for not being able to satisfy, into
And influence whole use.
Summary of the invention
The technical problem to be solved in the present invention is to provide the air suspension U that one kind can ensure the load-carrying ability of U-shaped arm
Arm.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of U-shaped arm of air suspension, air suspension packet
Include a vehicle frame, be respectively connected with suspension strut in the two sides of vehicle frame, innovative point is: the U-shaped arm is one by a pair of guiding support
The U-shaped structure that is collectively formed of twist connections for two guiding trailing arms of arm and connection, one end of the guiding trailing arm and outstanding
Frame bracket is connected, and the other end is connect by air bag with vehicle frame, has in one end of guiding trailing arm and just accommodates twist connection end
The cavity A that portion protrudes into has a cavity B for accommodating the first fixing piece in the end that twist connection protrudes into guiding trailing arm, this
One fixing piece realizes that twist connection is connected and fixed with guiding trailing arm by being threadedly engaged for a locking member with thread segment.
Further, first fixing piece has an internal thread structure, sequentially passes through guiding trailing arm by locking member, turns round
It is threadedly coupled after power connector with the first fixing piece, holds out against the first fixing piece on the inner wall of twist connection to realize.
Further, also there is one second fixing piece in the cavity of twist connection, which is located at first
Side of the fixing piece far from locking member, and held out against on the inner wall of twist connection by locking member promotion, realize the second fixing piece
Holding out against to two opposite medial surfaces of twist connection inner wall jointly is matched with the first fixing piece.
Further, also there is a location structure close to the surface of the first fixing piece side in the second fixing piece, it is described fixed
Bit architecture is positioning pit or Blind locating holes.
Further, the cavity B of twist connection is stretched out in the same side of second fixing piece and the first fixing piece respectively
Outside, and be connected in same fixed plate so that the first fixing piece, the second fixing piece and fixed plate formed one it is whole
Body, and there are gap between the first fixing piece and the second fixing piece, the fixed plate is fixed on the side of twist connection.
Further, also there is one second fixing piece, first fixing piece and second in the cavity of twist connection
There are gaps between fixing piece, are additionally provided with a wedge block in the gap, while the first fixing piece is adjacent with the second fixing piece
Side be the inclined-plane matched with wedge block, there is an internal thread structure, and match in the wedge block with locking member screw thread
It closes, so that realizing the second fixing piece matches two opposite insides to twist connection inner wall jointly with the first fixing piece
Face is held out against, and also has a middle fixing plate, the centre in the side of the first fixing piece and the second fixing piece far from wedge block
The through-hole passed through in fixed plate with an appearance locking member.
Further, the inner wall phase profiling of first fixing piece or the second fixing piece and the cavity B of twist connection.
Further, the twist connection is torque tube, which is oblateness.
Further, being located on twist connection also has a step surface with the junction of guiding trailing arm.
Further, it is located on the locking member on the outside of guiding trailing arm and is further sleeved with a locking gear, the locking gear
The locking between guiding trailing arm and twist connection is realized with locking member, the cooperation of the first fixing piece.
The present invention has the advantages that in the present invention, between guiding trailing arm and the twist connection for constituting U-shaped arm
Connection recycles the mode of fixing piece and locking member locked using first grafting pre-connection, it is ensured that guiding trailing arm and torsion
Bonding strength between power connector, meets the needs of load.
Setting for fixing piece, the inner wall that twist connection can be held out against using individual first fixing piece are real
Existing twist connection and the swelling being oriented between trailing arm, by the way of can also being cooperated using the first fixing piece and the second fixing piece come
Hold out against the swelling that two inner walls of twist connection are realized twist connection and are oriented between trailing arm.
Increase by a locking gear on locking member, thus after locking member and fixing piece are screwed, it can be to locking member
Relative position fix, avoid locking member from loose phenomenon occur.
By being the inner wall phase profiling with the cavity B of twist connection by the first fixing piece or the second anchor designs, from
And the first fixing piece or the second fixing piece is made to can be good at fitting with the inner wall of twist connection, facilitate realization to torsion
Swelling between connector and guiding trailing arm.
The structure type of torque tube is used for twist connection, thus without re-working again on twist connection
Hold the cavity that fixing piece is put into out, reduces processing.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the schematic diagram of the air suspension in the present invention.
Fig. 2 is the schematic diagram of the first connection structure of the guiding trailing arm and twist connection in the present invention.
Fig. 3 is the top view of the first connection structure of the guiding trailing arm and twist connection in the present invention.
Fig. 4 is the A-A cross-sectional view of Fig. 3.
Fig. 5 is the schematic diagram of second of connection structure of the guiding trailing arm and twist connection in the present invention.
Fig. 6 is the top view of second of connection structure of the guiding trailing arm and twist connection in the present invention.
Fig. 7 is the B-B cross-sectional view of Fig. 6.
Fig. 8 is the schematic diagram of the third connection structure of the guiding trailing arm and twist connection in the present invention.
Fig. 9 is the top view of the third connection structure of the guiding trailing arm and twist connection in the present invention.
Figure 10 is the C-C cross-sectional view of Fig. 9.
Figure 11 is the schematic diagram of the 4th kind of connection structure of the guiding trailing arm and twist connection in the present invention.
Figure 12 is the top view of the 4th kind of connection structure of the guiding trailing arm and twist connection in the present invention.
Figure 13 is the D-D cross-sectional view of Figure 12.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among the embodiment described range.
A kind of air suspension as shown in Figure 1 includes a vehicle frame 1, is respectively connected with suspension strut 3, vehicle in the two sides of vehicle frame 1
The lower section of frame 1 is provided with U-shaped arm.
U-shaped arm is one by a pair of of guiding trailing arm 4 and connects what the twist connections 5 that two are oriented to trailing arms 4 were collectively formed
One end of one U-shaped structure, guiding trailing arm 4 is connected with suspension strut 3, and the other end of guiding trailing arm 4 is connected by air bag 2 and vehicle frame 1
It connects, there is the cavity A for just accommodating and protruding into 5 end of twist connection in one end of guiding trailing arm 4, protruded into twist connection 5
The end for being oriented to trailing arm 4 has a cavity B 9 for accommodating the first fixing piece 6, which has thread segment by one
Being threadedly engaged for locking member 7 realizes twist connection 5 and is oriented to being connected and fixed for trailing arm 4.
As in Figure 2-4, it is oriented to the first connection structure of trailing arm 4 and twist connection 5 are as follows: the first fixing piece 6 is located at
Downside in twist connection 5, the first fixing piece 6 have an internal thread structure, by locking member 7 sequentially pass through guiding trailing arm 4,
It is threadedly coupled after twist connection 5 with the first fixing piece 6, holds out against the first fixing piece 6 in twist connection 5 to realize
On wall, also there is one second fixing piece 8 in the cavity of twist connection 5, it is remote which is located at the first fixing piece 6
Side from locking member 7, i.e. the second fixing piece 8 are located at the upside in twist connection 5, and are held out against and turned round by the promotion of locking member 7
On the inner wall of power connector 5, realize that the second fixing piece 8 matches jointly with the first fixing piece 6 to the phase of 5 inner wall of twist connection
Pair two medial surfaces hold out against, be also provided with appearance locking member 7 in the lower end of guiding trailing arm 6 and twist connection 5 and wear from top to bottom
The through-hole crossed.
As illustrated in figs. 5-7, it is oriented to second of connection structure of trailing arm 4 and twist connection 5 are as follows: the first fixing piece 6 has
One internal thread structure sequentially passes through guiding trailing arm 4 by locking member 7, is threadedly coupled with the first fixing piece 6 after twist connection 5,
The first fixing piece 6 is held out against on the inner wall of twist connection 5 to realize, also has one in the cavity of twist connection 5
The outer of the cavity B 9 of twist connection 5 is stretched out in the same side of second fixing piece 8, the second fixing piece 8 and the first fixing piece 6 respectively
Side, and be connected in same fixed plate 10, so that the first fixing piece 6, the second fixing piece 8 and the formation of fixed plate 10 one are whole
Body, and there are gap between the first fixing piece 6 and the second fixing piece 7, fixed plate 10 is bolted on twist connection 5
Side.
As seen in figs. 8-10, it is oriented to the third connection structure of trailing arm and twist connection are as follows: in the sky of twist connection 5
Also there is one second fixing piece 8, there are gaps between the first fixing piece 6 and the second fixing piece 8, also set up in the gap in chamber
Have a wedge block 11, at the same the first fixing piece 6 side adjacent with the second fixing piece 8 be matched with wedge block 11 it is oblique
Face has an internal thread structure in wedge block 11, and is threadedly engaged with locking member 7, to realize the second fixing piece 8 and the
One fixing piece 6 matches holding out against for opposite two medial surface to 5 inner wall of twist connection jointly, the first fixing piece 6 with
Second side of the fixing piece 8 far from wedge block 11 also has a middle fixing plate 12, has one to hold locking on middle fixing plate 12
The through-hole that part 7 passes through.
As figs 11-13, it is oriented to the 4th kind of connection structure of trailing arm and twist connection are as follows: the first fixing piece 6 is located at
Upside in twist connection 5, the first fixing piece 6 have an internal thread structure, by locking member 7 sequentially pass through guiding trailing arm 4,
It is threadedly coupled after twist connection 5 with the first fixing piece 6, holds out against the first fixing piece 6 in twist connection 5 to realize
On wall, also there is one second fixing piece 8 in the cavity of twist connection 5, it is remote which is located at the first fixing piece 6
Side from locking member 7, i.e. the second fixing piece 8 are located at the downside in twist connection 5, and are held out against and turned round by the promotion of locking member 7
On the inner wall of power connector 5, realize that the second fixing piece 8 matches jointly with the first fixing piece 6 to the phase of 5 inner wall of twist connection
Pair two medial surfaces hold out against, be also provided with appearance locking member 7 in the upper end of guiding trailing arm 6 and twist connection 5 and wear from top to bottom
The through-hole crossed, and the through-hole being located on guiding trailing arm 6 is blind hole, so that the end of locking member 7 can be placed in the blind hole,
When locking member 7 being avoided to be locked from upper end, locking member 7 protrude influence of end effect to air bag 2 smooth installation.
In above-mentioned four kinds of structures, the inner wall of the first fixing piece 6 or the second fixing piece 8 and the cavity B 9 of twist connection 5
Phase profiling.It is similar with the inner wall of the cavity B 9 of twist connection 5 by being designed as the first fixing piece 6 or the second fixing piece 8
Shape facilitates reality so that the first fixing piece 6 or the second fixing piece 8 can be good at fitting with the inner wall of twist connection 5
Now to the swelling between twist connection 5 and guiding trailing arm 4.
Also there is a location structure close to the surface of 6 side of the first fixing piece in the second fixing piece 8, location structure is positioning
Hole or Blind locating holes.By the cooperation of the location structure, so as to solid to second when locking member 7 pushes the second fixing piece 8
Determine part 8 and the phenomenon that the relative position of the first fixing piece 6 is positioned, avoids the occurrence of the second 8 sideslip of fixing piece.
Twist connection 5 is torque tube, which is oblateness.For twist connection 5 using the structure of torque tube
Form reduces processing thus without re-working out the cavity for holding fixing piece and being put into again on twist connection.
Being located on twist connection 5 also has a step surface with the junction of guiding trailing arm 4, passes through setting for the step surface
It sets, to limit the relative position between twist connection 5 and guiding trailing arm 4, twist connection 5 and guiding is avoided to hold in the palm
There is the phenomenon that relative displacement between arm 4.
It is located on the outside of guiding trailing arm on locking member 7 and is further sleeved with a locking gear 13, the locking gear 13 and locking
The locking between guiding trailing arm 4 and twist connection 5 is realized in part 7, the cooperation of the first fixing piece 6, and in the third above-mentioned connection
It can be withouyt locking gear 13 in structure and the 4th kind of connection structure.In the present embodiment, locking gear 13 is using anti-
Loose nut, and other than being locked using stop nut to locking member 7, it can also be using expansion for locking member 7 itself
The locking member of the included locking function such as bolt.
By increasing by a locking gear 13 on locking member 7, thus after locking member 7 and the first fixing piece 6 are screwed,
The relative position of locking member 7 can be fixed, locking member 7 is avoided loose phenomenon occur.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of U-shaped arm of air suspension, air suspension includes a vehicle frame, is respectively connected with suspension strut in the two sides of vehicle frame,
Be characterized in that: the U-shaped arm is collectively formed for one by the twist connections of two guiding trailing arms of a pair of of guiding trailing arm and connection
A U-shaped structure, it is described guiding trailing arm one end be connected with suspension strut, the other end pass through air bag connect with vehicle frame, be oriented to
One end of trailing arm has the cavity A for just accommodating and protruding into twist connection end, protrudes into the end of guiding trailing arm in twist connection
Portion has a cavity B for accommodating the first fixing piece, which is threadedly engaged by a locking member with thread segment
It realizes twist connection and is oriented to being connected and fixed for trailing arm.
2. the U-shaped arm of air suspension according to claim 1, it is characterised in that: first fixing piece has spiral shell in one
Line structure sequentially passes through guiding trailing arm by locking member, is threadedly coupled with the first fixing piece after twist connection, thus realize by
First fixing piece is held out against on the inner wall of twist connection.
3. the U-shaped arm of air suspension according to claim 2, it is characterised in that: also have in the cavity of twist connection
There is one second fixing piece, which is located at side of first fixing piece far from locking member, and is held out against by locking member promotion
On the inner wall of twist connection, realize that the second fixing piece is matched jointly with the first fixing piece to the phase of twist connection inner wall
Pair two medial surfaces hold out against.
4. the U-shaped arm of air suspension according to claim 3, it is characterised in that: fixed close to first in the second fixing piece
The surface of part side also has a location structure, and the location structure is positioning pit or Blind locating holes.
5. the U-shaped arm of air suspension according to claim 3, it is characterised in that: second fixing piece and first is fixed
The outside of the cavity B of twist connection is stretched out in the same side of part respectively, and is connected in same fixed plate, so that first is solid
Determine part, the second fixing piece and fixed plate and form an entirety, and there are gaps between the first fixing piece and the second fixing piece, it is described
Fixed plate is fixed on the side of twist connection.
6. the U-shaped arm of air suspension according to claim 1, it is characterised in that: also have in the cavity of twist connection
There is one second fixing piece, there are gaps between first fixing piece and the second fixing piece, are additionally provided with a wedge in the gap
Shape block, while the first fixing piece side adjacent with the second fixing piece is the inclined-plane matched with wedge block, the wedge block
Inside there is an internal thread structure, and be threadedly engaged with locking member, matched to realize the second fixing piece with the first fixing piece
Holding out against to opposite two medial surface of twist connection inner wall jointly, in the first fixing piece and the second fixing piece far from wedge shape
The side of block also has a middle fixing plate, the through-hole passed through on the middle fixing plate with an appearance locking member.
7. according to claim 1, air suspension described in any one of 2,3,4,5,6 claims is existed with U-shaped arm, feature
In: the inner wall phase profiling of first fixing piece or the second fixing piece and the cavity B of twist connection.
8. according to claim 1, air suspension described in any one of 2,3,5,6 claims is existed with U-shaped arm, feature
In: the twist connection is torque tube, which is oblateness.
9. according to claim 1, air suspension described in any one of 2,3,5,6 claims is existed with U-shaped arm, feature
In: being located on twist connection also has a step surface with the junction of guiding trailing arm.
10. requiring the air suspension with U-shaped arm according to claim 1, it is characterised in that: be located at guiding on the locking member
A locking gear is further sleeved on the outside of trailing arm, the locking gear and locking member, the cooperation of the first fixing piece realize guiding trailing arm with
Locking between twist connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568770.0A CN109435608B (en) | 2018-12-21 | 2018-12-21 | U-shaped arm for air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568770.0A CN109435608B (en) | 2018-12-21 | 2018-12-21 | U-shaped arm for air suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109435608A true CN109435608A (en) | 2019-03-08 |
| CN109435608B CN109435608B (en) | 2023-10-17 |
Family
ID=65559229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568770.0A Active CN109435608B (en) | 2018-12-21 | 2018-12-21 | U-shaped arm for air suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109435608B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848827A (en) * | 2021-01-22 | 2021-05-28 | 江苏汤臣汽车零部件有限公司 | Air suspension assembly with high strength guide arm |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931178Y (en) * | 2006-07-19 | 2007-08-08 | 中国第一汽车集团公司 | Electric control asymmetric four-gasbag air suspension |
| KR20120059107A (en) * | 2010-11-30 | 2012-06-08 | 현대자동차주식회사 | Rear suspension for vehicle |
| CN206953928U (en) * | 2017-05-22 | 2018-02-02 | Zf腓特烈斯哈芬股份公司 | Airsuspension system |
| CN207683259U (en) * | 2017-11-17 | 2018-08-03 | 江西远成汽车技术股份有限公司 | The trailer of air suspension apparatus and the application air suspension apparatus |
| CN207725169U (en) * | 2017-12-29 | 2018-08-14 | 山东安博机械科技股份有限公司 | A kind of Integral U-shaped arm air suspension system |
-
2018
- 2018-12-21 CN CN201811568770.0A patent/CN109435608B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931178Y (en) * | 2006-07-19 | 2007-08-08 | 中国第一汽车集团公司 | Electric control asymmetric four-gasbag air suspension |
| KR20120059107A (en) * | 2010-11-30 | 2012-06-08 | 현대자동차주식회사 | Rear suspension for vehicle |
| CN206953928U (en) * | 2017-05-22 | 2018-02-02 | Zf腓特烈斯哈芬股份公司 | Airsuspension system |
| CN207683259U (en) * | 2017-11-17 | 2018-08-03 | 江西远成汽车技术股份有限公司 | The trailer of air suspension apparatus and the application air suspension apparatus |
| CN207725169U (en) * | 2017-12-29 | 2018-08-14 | 山东安博机械科技股份有限公司 | A kind of Integral U-shaped arm air suspension system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848827A (en) * | 2021-01-22 | 2021-05-28 | 江苏汤臣汽车零部件有限公司 | Air suspension assembly with high strength guide arm |
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| Publication number | Publication date |
|---|---|
| CN109435608B (en) | 2023-10-17 |
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