CN107599769A - A kind of car drawing arm configuration - Google Patents
A kind of car drawing arm configuration Download PDFInfo
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- CN107599769A CN107599769A CN201710718126.6A CN201710718126A CN107599769A CN 107599769 A CN107599769 A CN 107599769A CN 201710718126 A CN201710718126 A CN 201710718126A CN 107599769 A CN107599769 A CN 107599769A
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- 238000009434 installation Methods 0.000 claims abstract description 29
- 238000013016 damping Methods 0.000 claims abstract description 23
- 238000003032 molecular docking Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000005284 excitation Effects 0.000 abstract description 5
- 238000004080 punching Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of car drawing arm configuration, including arm body is pulled, the one end and knuckle part for pulling arm body are connected, and the other end and body side mounting bracket for pulling arm body are connected, and the cross section for pulling arm body is hollow closed cross-section.Pull arm body to be combined for " U-shaped " harden structure of " U-shaped " by two pieces of cross sections, described two " U-shaped " harden structures fasten docking and linked together, and form " mouth " tee section of closing.Bush Assembly is additionally provided with the installation tie point for pulling arm body and body side mounting bracket；The top of the bushing cushion of the bush Assembly and lower two parts are not machined with vibration damping hole I, and the vibration damping hole I is left and right to the waist through hole of arrangement or the through hole of approximate kidney-shaped；Left and right two parts of the bushing cushion are machined with vibration damping hole II respectively, and the area in the vibration damping hole I is more than the area in the vibration damping hole II.The present invention can significantly reduce road excitation noise, lift vehicle NVH performances, cost is low, performance is good.
Description
Technical field
The invention belongs to the Design of Auto Parts manufacturing technology field, and in particular to a kind of car drawing arm configuration.
Background technology
With the continuous development of automobile industry, customer drives the requirement of sense etc. to the riding comfort of vehicle, manipulation
More and more higher.Noise is larger, manipulation drives the vehicle for feeling poor, can give customer's subjective sensation poor impression, so as to drop significantly
Low potential customers select the possibility of purchase vehicle.
For directly perceived, towing arm one end is connected with the knuckle of vehicle chassis, and other end is connected with body frame, there is provided
The longitudinal rigidity of rear overhang, can play the guide effect of vehicle, can make the movement locus of wheel, ensure in certain design
In the range of beat.If the towing arm rigidity of structure is insufficient, it is impossible to provides enough support stiffness, easily causes the beating scope of wheel
It is excessive.In addition, vehicle is in the process of moving, it is also possible to because towing arm body construction mode is too low, resonates, causes car
The excitation that body is born is excessive, produces problem of thundering.Meanwhile towing arm is relative with the fixed installation point of vehicle body and wheel disk, deposits
In certain lateral separation, equivalent to the brachium of lever, in vehicle travel process, wheel is encouraged by Z-direction load, can pass through thick stick
Bar effect is amplified, and is transferred to towing arm and point is fixedly mounted with vehicle body, the final load can be transferred to vehicle body, if being passed by towing arm
It is handed to that the Z-direction load of vehicle body is excessive, and the noise also resulted in vehicle cab is larger, therefore, it is necessary to considers how from vibration isolation
Angle is set out, to reduce the Z-direction load that towing arm is transferred to vehicle body.
Rear suspension towing arm is as rear suspension and an important tie point of vehicle body, the quality of towing arm structure design, directly
Connect the riding stability for having influence on vehicle and NVH etc. performance, the towing arm configuration of conventional design be generally cast member or
The non-close cross section structure part of metal plate punching shaping, such structural member, the shortcomings that high quality weight, cost or performance deficiency be present.
Therefore design it is a kind of there is sufficient intensity, rigidity, mode, while and can wheel of preferably decaying is transferred to the load of vehicle body
Arm configuration is pulled, it is most important for the NVH performances of lifting vehicle.
The content of the invention
For above-mentioned technical problem, the present invention devises a kind of car drawing arm configuration, can significantly reduce road surface
Excitation noise, vehicle NVH performances are lifted, there is sufficient intensity, rigidity, mode, you can to ensure that towing arm configuration can be born
Larger X to（Refer to the anterior-posterior length direction of vehicle）Impulsive force, while and can wheel of preferably decaying is transferred to the load of vehicle body.
In order to solve above-mentioned technical problem, present invention employs following scheme：
A kind of car drawing arm configuration, including arm body is pulled, one end of the towing arm body is connected with knuckle part, institute
The other end and body side mounting bracket for stating towing arm body are connected, and the cross section for pulling arm body is cut for hollow closing
Face.
Further, the arm body that pulls is combined by two pieces of cross sections for " U-shaped " harden structure of " U-shaped ", and described two
Individual " U-shaped " harden structure fastens docking and linked together, and forms " mouth " tee section of closing.
Further, boss or concave station structure, the boss or recessed are additionally provided with the base plane of described " U-shaped " harden structure
Platform structure " U-shaped " harden structure described in is longitudinally arranged.
Further, described one end for pulling arm body be machined with connecting hole with corresponding connecting bolt coordinate so as to
The knuckle part is connected；The connecting hole has three, and three connecting holes are arranged in " triangle ".
Further, the other end for pulling arm body be machined with mounting hole with corresponding installation stud coordinate so as to
Connected with the body side mounting bracket.
Further, it is additionally provided with bush Assembly in the mounting hole for pulling arm body；The bush Assembly includes overcoat
Cylinder, inner sleeve and bushing cushion；The outer sleeve and inner sleeve are hardware, and the bushing cushion is quality of rubber materials, institute
State bushing cushion and one entirety is combined as by sulfuration process and inside and outside sleeve.
Further, the upper and lower part of the bushing cushion is machined with vibration damping hole I respectively, the vibration damping hole I for left and right to
The through hole of the waist through hole of arrangement or approximate kidney-shaped；Left and right two parts of the bushing cushion are machined with vibration damping hole II, institute respectively
The area for stating vibration damping hole I is more than the area in the vibration damping hole II.
Further, the outer sleeve is linked together with the mounting hole on the towing arm body by welding technology；Institute
The both ends and the junction of the outer sleeve of towing arm body upper installing hole are stated, progress is whole to enclose connection of freezing.
Further, the body side mounting bracket includes two Sheet Metal Parts, and described two Sheet Metal Parts are symmetrically set
Put and combine and link together；The relative middle inside of described two Sheet Metal Parts, be respectively arranged with upward bending part with
As the support connecting portion with the dragging arm body, pore structure is machined with the bending part to coordinate with the installation stud
Work.
Further, the centre position of the body side mounting bracket bottom, namely the centre of described two Sheet Metal Parts
Position is provided with concave station or boss, the distribution arrangement of the concave station or boss, from Sheet Metal Part outside to the institute of inner side
State bending part extension.
Further, the bottom of the body side mounting bracket is also machined with mounting hole to coordinate with corresponding installation bolt
So as to be linked together with vehicle body installation.
Further, the knuckle part is the cast structure part being process using casting technique.
Further, described " U-shaped " harden structure, the Sheet Metal Part are process using metal plate punching technique.
The car drawing arm configuration has the advantages that：
（1）The towing arm body of the present invention is the closed cross-section of metal plate punching shaping composition, the non-envelope with conventional towing arm configuration
The advantages of closing cross section is compared, and has preferably torsion and bending stiffness, and cost is low, performance is good.
（2）The bushing cushion design method of present invention towing arm configuration, have and bear larger X to impulsive force, reduce and pass
It is handed to the Z-direction of vehicle body（Refer to the upper-lower height direction of vehicle, Z-direction load is related to vibration damping NVH）The characteristics of load, it can carry
The manipulation stability of vehicle is risen, while the NVH performances of vehicle can be lifted.
（3）It is bolted between present invention towing arm configuration and knuckle and vehicle body, tie point is in triangular distribution,
With compact-sized, it is connected firmly, it is easy to assembly, the advantages of being easy to safeguard.
（4）In the present invention, body side mounting bracket part is two Sheet Metal Parts, using sheet metal forming technology shaping, and is led to
Burning Welding connects, simple in construction, easy to process.Also, concave station or boss are provided with body side mounting bracket, intensity adds
By force, using effect is good.
（5）In the present invention, knuckle part uses the cast structure part of casting technique, has higher modal stiffness, can
To provide enough support stiffness for towing arm body.
Brief description of the drawings
Fig. 1：The structural representation of car drawing arm configuration in an embodiment of the present invention；
Fig. 2：The assembly structure diagram of arm body and bush Assembly is pulled in an embodiment of the present invention；
Fig. 3：The structural representation of arm body is pulled in an embodiment of the present invention；
Fig. 4：The cross-sectional structure schematic diagram of arm body is pulled in an embodiment of the present invention；
Fig. 5：The dimensional structure diagram of bush Assembly in an embodiment of the present invention；
Fig. 6：The front view of bush Assembly in an embodiment of the present invention；
Fig. 7：The structural representation of body side mounting bracket in an embodiment of the present invention；
Fig. 8：The structural representation of installation stud of the body side mounting bracket with pulling arm body in an embodiment of the present invention；
Fig. 9：Road excitation noise vs' schematic diagram of conventional towing arm and present invention towing arm configuration.
Description of reference numerals：
1-pull arm body；11-connecting hole；12-harden structure；121-boss or concave station structure；13-mounting hole；2-lining
Cover assembly；21-outer sleeve；22-inner sleeve；23-bushing cushion；231-vibration damping hole I；232-vibration damping hole II；3-vehicle body
Side mounting bracket；31-bending part；32-concave station or boss；4-knuckle part；5-installation stud；6-connecting bolt；
7-installation bolt.
Embodiment
Below in conjunction with the accompanying drawings, the present invention will be further described：
Fig. 1 to Fig. 8 shows a kind of embodiment of car drawing arm configuration of the present invention, and Fig. 1 is that automobile drags in present embodiment
Drag the structural representation of arm configuration.As shown in figure 1, car drawing arm configuration includes pulling arm body 1, bush Assembly 2, body side
Mounting bracket 3 and knuckle part 4.Wherein, the one end for pulling arm body 1 is reliable by connecting bolt 6 and knuckle part 4
Installation is combined together, and the other end for pulling arm body 1 is connected by bush Assembly 2, installation stud 5 and body side mounting bracket 3
It is connected together.Body side mounting bracket 3 is connected by installation bolt 7 with vehicle body.Knuckle part 4 uses the structure of casting technique
Part, there is higher modal stiffness, can be that towing arm body 1 provides enough support stiffness.
Fig. 2 is the assembly structure diagram that arm body and bush Assembly are pulled in present embodiment, and Fig. 3 is present embodiment
The middle structural representation for pulling arm body, Fig. 4 are the cross-sectional structure schematic diagrames that arm body is pulled in present embodiment.Such as Fig. 2
Shown in Fig. 3, towing arm body 1 one end be machined with three connecting holes 11 with the corresponding cooperating of connecting bolt 6.Three
Individual connecting hole 11 is arranged in " triangle ", and the stressing conditions of a position, the reliability of lift structure are fitted to each other for improving.Towing
The other end of arm body 1 is machined with mounting hole 13, the size and the external diameter phase of the outer sleeve 21 of bush Assembly 2 of the internal diameter of mounting hole 13
Deng in order to which the two installation is combined together.The position that bush Assembly 2 coordinates with the installation of mounting hole 13 of towing arm body 1, passes through
Welding technology is attached.In the present embodiment, the both ends and the junction of bush Assembly 2 of the mounting hole 13 of arm body 1 are pulled,
Whole circle carries out connection of freezing, can both ensure therebetween there is higher coupling stiffness, product reliability can also be lifted.
As shown in figure 4, towing arm body 1 is symmetrical arranged by two boards structure 12 and is welded.Up and down the two of harden structure 12
End is designed with flange so that the section of harden structure 12 is in " U-shaped " structure；In the end of the upper and lower ends turnup structure of harden structure 12,
Using welding technology, two " U-shaped " harden structures are fastened into docking and linked together, form " mouth " tee section of closing, Jin Erke
To greatly promote the torsion of towing arm configuration and bending stiffness.It is outside that being disposed with for longitudinal direction is gone back on the subject plane of harden structure 12
Boss structure or inside concave station structure 121, for lifting the entirety and local stiffness of towing arm body 1.It is convex in the present embodiment
Platform or concave station structure 121 are longitudinally arranged in the base plane of " U-shaped " harden structure.
In the present embodiment, harden structure 12 uses thickness to be molded for 2.5mm metal plate punching, wherein, the both sides up and down of metal plate
It is designed with 20mm flange.A diameter of 15mm of connecting hole 11.A diameter of 34mm of mounting hole 13, is added by metal plate punching technique
Work forms.
Fig. 5 is the dimensional structure diagram of bush Assembly in present embodiment；Fig. 6 is bush Assembly in present embodiment
Front view.As shown in figure 5, bush Assembly 2 includes outer sleeve 21, inner sleeve 22 and bushing cushion 23.Wherein outer sleeve 21 with it is interior
Sleeve 22 is hardware, and bushing cushion 23 is quality of rubber materials, and bushing cushion 23 is combined by sulfuration process with inside and outside sleeve
For an entirety, inside and outside sleeve can be that bushing cushion 23 provides enough support stiffness.The external diameter of outer sleeve 21 coordinates with it
Towing arm body 1 on mounting hole 13 internal diameter it is equal, the two is linked together by welding technology.The internal diameter of inner sleeve 22
It is equal with the external diameter for installing stud 5, can be by towing arm body 1, bush Assembly 2 and body side mounting bracket by installation bolt 5
3 installations are combined together.The structure of installation bolt 5 is as shown in Figure 8.
As shown in fig. 6, the top of bushing cushion 23 and lower two parts are not machined with vibration damping hole I 231, vibration damping hole I 231 is a left side
Dextrad arrangement waist through hole or approximate kidney-shaped through hole, can reduce bushing cushion 23Z to（Automobile upper-lower height direction）'s
Rigidity.Because wheel is by Z-direction load, vehicle body can be transferred to by towing arm and vehicle body fixed installation point, the bang path pair
In-car noise contribution is larger, therefore, considers from vibration isolation angle, by bushing cushion about 23 two parts processing two it is larger
Vibration damping hole I 231, the towing arm that can decay is transferred to the Z-direction load of vehicle body, can lift the NVH performances of vehicle.In addition,
Left and right two parts of bushing cushion 23 are machined with two less buffer shock-absorbing holes II 232 respectively, it is ensured that bushing cushion is in X
To with higher rigidity, meet that towing arm configuration can bear needs of the larger X to impulsive force, ensure that vehicle is comparing evil
During bad road traveling, certain load-absorbing effect can also be played.The area in vibration damping hole I 231 is more than the face in vibration damping hole II 232
Product.
Fig. 7 is the structural representation of body side mounting bracket in present embodiment.As shown in fig. 7, body side mounting bracket
3, it is made up of two Sheet Metal Parts.Two Sheet Metal Parts are symmetrical arranged and combined by welding technology connection.Metal plate
Golden structural member is formed using metal plate punching technique machine-shaping, two relative middle insides of Sheet Metal Part be respectively arranged with to
On bending part 31.Pore structure is machined with bending part 31 to coordinate with installation stud 5, by body side mounting bracket 3 and bushing
Assembly 2, the towing assembling of arm body 1 are combined.The centre position of the bottom of body side mounting bracket 3, namely two metal plate knots
The centre position of component is respectively arranged with concave station or boss 32, and the distribution arrangement of concave station or boss 32 is by lateral outside Sheet Metal Part
The bending part 31 of inner side extends, for lifting the integral rigidity of body side mounting bracket 3.The bottom of body side mounting bracket 3 adds
Work has four mounting holes to coordinate with installation bolt 7, and by body side mounting bracket 3, reliably installation links together with vehicle body.
Sheet Metal Part is molded using 4mm metal plate punching in the present embodiment.
The towing arm configuration of conventional design is generally cast member or the non-close cross section structure part of metal plate punching shaping, such
, there is the shortcomings that quality weight, cost high or performance deficiency in structural member, and the towing arm configuration of the proposition of the present invention, towing arm sheet
Body is closing " mouth " tee section, can overcome above-mentioned deficiency.Referring to Fig. 9, Fig. 9 is for vehicle in coarse bituminous paving with 80km/h
When speed travels, the driving interior noise pair when the towing arm configuration of conventional design and towing arm configuration of the invention is respectively adopted
Compare result.From the point of view of comparing result, using the towing arm configuration of the present invention, the noise mistake caused by road excitation can be improved
Big problem, lift the NVH performances of vehicle.
In the present invention, towing arm body is that two sections are identical, using stamping forming "u"-shaped part, and using burning
Welding links together, and forms " mouth " tee section of closing, can greatly promote the torsion and bending of towing arm structural body
Rigidity；One end of arm body is pulled by three installation bolts into three-legged structure, is combined together with knuckle installation, in addition one
End is linked together by the outer barrel surface of welding technology and bush Assembly, and enough branch can be provided for towing arm structure
Support rigidity；Bush Assembly part, it is made up of inner and outer sleeves and bushing cushion three parts, bushing cushion leads to inside and outside sleeve respectively
Over cure technique is attached, and bushing cushion uses perforate mode up and down, so as to ensure bushing cushion vehicle Z-direction rigidity compared with
Low, X is higher to rigidity, you can to ensure that towing arm configuration can bear larger X to impulsive force, can go out again from vibration isolation angle
Hair, reduce the Z-direction load that towing arm is transferred to vehicle body；Body side mounting bracket part is two Sheet Metal Parts, using punching press
Technological forming, and connected by welding technology；Body side mounting bracket and the inner barrel of bush Assembly part are filled by bolt
With being installed together, in addition, body side Design of mounting plate has four installation bolts, ensure towing arm structural assembly and vehicle body it
Between connection can be reliably installed.
The towing arm body of the present invention is the closed cross-section of metal plate punching shaping composition, the non-envelope with conventional towing arm configuration
The advantages of closing cross section is compared, and has preferably torsion and bending stiffness, and cost is low, performance is good；
The bushing cushion design method of present invention towing arm configuration, have and bear larger X to impulsive force, reduce and be transferred to vehicle body
Z-direction load the characteristics of, while can lift the NVH performances of vehicle in the manipulation stability of lifting vehicle；
The present invention towing arm configuration and knuckle and vehicle body between is bolted, have it is compact-sized, it is easy to assembly, be easy to
The advantages of safeguarding.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that realization of the invention is not by aforesaid way
Limitation, it is or not improved by the present invention as long as employing the various improvement of inventive concept and technical scheme of the present invention progress
Design and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (12)
1. a kind of car drawing arm configuration, including arm body is pulled, one end of the towing arm body is connected with knuckle part,
The other end and body side mounting bracket of the towing arm body are connected, it is characterised in that the cross section for pulling arm body
For hollow closed cross-section.
2. car drawing arm configuration according to claim 1, it is characterised in that the dragging arm body is by two pieces of cross sections
Combined for " U-shaped " harden structure of " U-shaped ", described two " U-shaped " harden structures fasten docking and linked together, and form closing
" mouth " tee section.
3. car drawing arm configuration according to claim 2, it is characterised in that the base plane of " U-shaped " harden structure
On be additionally provided with boss or concave station structure, boss or the concave station structure " U-shaped " harden structure described in is longitudinally arranged.
4. according to the car drawing arm configuration described in claim 1,2 or 3, it is characterised in that described one end for pulling arm body
Connecting hole is machined with to coordinate with corresponding connecting bolt so as to be connected with the knuckle part；The connecting hole has three
Individual, three connecting holes are arranged in " triangle ".
5. according to the car drawing arm configuration described in claim 1,2 or 3, it is characterised in that described to pull the another of arm body
End is machined with mounting hole to coordinate with corresponding installation stud so as to be connected with the body side mounting bracket.
6. car drawing arm configuration according to claim 5, it is characterised in that in the mounting hole for pulling arm body also
It is provided with bush Assembly；The bush Assembly includes outer sleeve, inner sleeve and bushing cushion；The outer sleeve and inner sleeve are gold
Belong to structural member, the bushing cushion is quality of rubber materials, and the bushing cushion is combined as one by sulfuration process and inside and outside sleeve
It is overall.
7. car drawing arm configuration according to claim 6, it is characterised in that the upper and lower part of the bushing cushion point
It is not machined with vibration damping hole I, the vibration damping hole I is left and right to the waist through hole of arrangement or the through hole of approximate kidney-shaped；The bushing is soft
Left and right two parts of pad are machined with vibration damping hole II respectively, and the area in the vibration damping hole I is more than the area in the vibration damping hole II.
8. the car drawing arm configuration according to claim 6 or 7, it is characterised in that the outer sleeve and the towing arm
Mounting hole on body is linked together by welding technology；The both ends of the towing arm body upper installing hole and the outer sleeve
Junction, carry out whole circle and freeze connection.
9. according to the car drawing arm configuration described in claim 1,2,3,6 or 7, it is characterised in that the body side installation branch
Frame includes two Sheet Metal Parts, and described two Sheet Metal Parts are symmetrical arranged and combined and link together；Described two metal plates
The relative middle inside of structural member, upward bending part is respectively arranged with to be connected as the support with the dragging arm body
Portion, be machined with the bending part pore structure with the installation stud cooperating.
10. car drawing arm configuration according to claim 9, it is characterised in that the body side mounting bracket bottom
Centre position, namely the centre position of described two Sheet Metal Parts are provided with concave station or boss, point of the concave station or boss
Cloth direction, extended from Sheet Metal Part outside to the bending part of inner side.
11. car drawing arm configuration according to claim 9, it is characterised in that the bottom of the body side mounting bracket
Mounting hole is also machined with to coordinate with corresponding installation bolt so as to be linked together with vehicle body installation.
12. according to the car drawing arm configuration described in claim 1,2,3,6,7,10 or 11, it is characterised in that the knuckle
Part is the cast structure part being process using casting technique.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718126.6A CN107599769A (en) | 2017-08-21 | 2017-08-21 | A kind of car drawing arm configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710718126.6A CN107599769A (en) | 2017-08-21 | 2017-08-21 | A kind of car drawing arm configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107599769A true CN107599769A (en) | 2018-01-19 |
Family
ID=61065506
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710718126.6A Pending CN107599769A (en) | 2017-08-21 | 2017-08-21 | A kind of car drawing arm configuration |
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| Country | Link |
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| CN (1) | CN107599769A (en) |
Cited By (2)
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| CN112895827A (en) * | 2021-03-31 | 2021-06-04 | 东风柳州汽车有限公司 | Trailing arm type four-bar linkage suspension and automobile |
| CN117261511A (en) * | 2023-10-28 | 2023-12-22 | 马鞍山市一川金属科技有限公司 | Drag arm mounting bracket assembly and car of using thereof |
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|---|---|---|---|---|
| CN112895827A (en) * | 2021-03-31 | 2021-06-04 | 东风柳州汽车有限公司 | Trailing arm type four-bar linkage suspension and automobile |
| CN117261511A (en) * | 2023-10-28 | 2023-12-22 | 马鞍山市一川金属科技有限公司 | Drag arm mounting bracket assembly and car of using thereof |
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Application publication date: 20180119 |
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