CN108857236B - A kind of fixture unit that top cover inner and outer plates are shared - Google Patents
A kind of fixture unit that top cover inner and outer plates are shared Download PDFInfo
- Publication number
- CN108857236B CN108857236B CN201810931054.8A CN201810931054A CN108857236B CN 108857236 B CN108857236 B CN 108857236B CN 201810931054 A CN201810931054 A CN 201810931054A CN 108857236 B CN108857236 B CN 108857236B
- Authority
- CN
- China
- Prior art keywords
- pressure arm
- top cover
- bolt
- pressure
- fixed
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The present invention relates to the fixture units that a kind of top cover inner and outer plates share, comprising: pedestal, the first pressure arm, the first locking pin, retaining mechanism, the first multi-purpose pressure head, the combination of the first bolt, the second pressure arm, the second locking pin, the first supporting block, the second supporting block and the combination of the second bolt.The technical program has saved fixture development cost, has simplified clamp structure, provide more sufficient operating space by realizing that the positioning of top cover inner plate and outside plate clamps on the same fixture unit.By the same fixture unit, stability when top cover inner plate is merged with outside plate is improved, welding deformation is small, precision fluctuation risk when top cover assembly is merged is reduced, to improve the welding quality and precision of top cover assembly.Top cover assembly is welded in a sequence fixture and completes, and reduces tolerance stack.
Description
Technical field
The invention belongs to the welding fixture technical fields of automobile assembling production line, and it is shared to particularly relate to a kind of top cover inner and outer plates
Fixture unit.
Background technique
Welding fixture is the important means for guaranteeing auto parts and components precision, and reasonable positioning compression form is fixture design
Key point.In body of a motor car sub-unit components, it is merged and is formed by inner panel and outside plate by a big chunk part, such as
Car door assembly, fender assembly, side wall assembly, top cover assembly etc., in this kind of assembly, inner panel plays strength support role, outside plate
Play beauty function.Since inner panel intensity is higher, and outside plate is softer in the presence of compared with big bounce, therefore, often goes out when inner and outer plates are merged
The big problem of existing welding deformation, causes this kind of assembly precision lower.
In existing fixture unit, inner panel and exterior panel are all that a point sequence is welded, and are usually first welded to inner panel, and
It is to be welded to outside plate again afterwards, compresses point independent design, for inner and outer plates are merged assembly, the welding of this welding form
Deformation and tolerance are accumulative larger.
Summary of the invention
The object of the present invention is to provide the fixture units that a kind of top cover inner and outer plates share, to solve the weldering of existing fixture unit
Connect deformation and the low problem of assembly precision.
The present invention is achieved by the following technical solutions:
A kind of fixture unit that top cover inner and outer plates are shared, comprising:
Pedestal, the pedestal are fixed on fixture BASE plate；
One end of first pressure arm, first pressure arm is connect by first clamping plate and the first pin shaft with the base rotation；
First locking pin, the locking hole in the first clamping plate and the pedestal, thus to first pressure arm
Position is positioned；
Retaining mechanism is formed with multiple structural members, they are respectively arranged on first pressure arm and the pedestal；
First multi-purpose pressure head is fixed on first pressure arm；
The combination of first bolt, it is movable to be set on first pressure arm；
Template is connect by mounting plate with first pressure arm；
Second pressure arm is rotatablely connected by second clamping plate and the second pin shaft and the template；
Second locking pin, the locking hole on second pressure arm and the template, thus to second pressure arm
Position is positioned；
First supporting block is mounted on second pressure arm；
Second multi-purpose pressure head is connect by the second transfer block with second pressure arm, first supporting block and described the
Two multi-purpose pressure heads collectively form compression point at one；
First multi-purpose pressure head and the second multi-purpose pressure head all include weight, and weight is mounted at the first multi-purpose pressure
On head, the second multi-purpose pressure head；
Second supporting block is installed on second pressure arm；
The combination of second bolt, it is movable to be set on first pressure arm.
Limit combination, including upper limit position block and lower position block, the upper limit position block is fixed on first pressure arm, described
Lower position block is fixed on the pedestal.
The retaining mechanism includes keeper formula active grab and hook；The pedestal of the keeper formula active grab is mounted on institute
It states on the first pressure arm, the hook is mounted on the base, and constitutes a set of retaining mechanism.
The first bolt combination includes the first bolt, the first transfer block and the first socket；First transfer block is solid
Due on first pressure arm, first socket is fixed in first transfer block, and first bolt is movable to be inserted
It is connected on first socket.
The second bolt combination includes the second bolt, third transfer block and the second socket；The third transfer block is solid
Due on first pressure arm, second socket is fixed in the third transfer block, and second bolt is movable to be inserted
It is connected on second socket.
Further include carrying handle, is fixed on first pressure arm.
The first multi-purpose pressure head includes pressure head, weight and tightens bolt；The weight is tightened bolt described in and is fixed
On the pressure head.
The beneficial effects of the present invention are:
The technical program has saved folder by realizing that the positioning of top cover inner plate and outside plate clamps on the same fixture unit
Have development cost, simplifies clamp structure, provide more sufficient operating space.By the same fixture unit, top cover is improved
Stability when inner panel and outside plate are merged, welding deformation is small, precision fluctuation risk when top cover assembly is merged is reduced, to mention
The welding quality and precision of high top cover assembly.Top cover assembly is welded in a sequence fixture and completes, and reduces tolerance stack.
Detailed description of the invention
Fig. 1 is the front schematic view of present clip use state；
Fig. 2 is the schematic rear view of present clip use state；
Fig. 3 A is the front view of pedestal；
Fig. 3 B is the top view of pedestal；
Fig. 3 C is the side view of pedestal；
Fig. 4 A is the main view of the first pressure arm；
Fig. 4 B is the side view of the first pressure arm；
Fig. 4 C is the top view of the first pressure arm；
Fig. 5 A is the top view of template；
Fig. 5 B is the main view of template；
Fig. 5 C is the side view of template；
Fig. 6 A is the main view of the second pressure arm；
Fig. 6 B is the side view of the second pressure arm；
Fig. 7 is the structural schematic diagram of the first multi-purpose pressure head；
Fig. 8 is the use state diagram of the first multi-purpose pressure head；
Fig. 9 is that top cover inner plate positions front schematic view；
Figure 10 is that top cover inner plate positions schematic rear view；
Figure 11 is that top cover outside plate positions front schematic view；
Figure 12 is that top cover outside plate positions schematic rear view.
Description of symbols
1 pedestal, 2 first pressure arms, 3 first clamping plates, 4 first pin shafts, 5 first locking pins, 6 upper limit position blocks, 7 lower position blocks, 8
Keeper formula active grab, 9 carrying handles, 10 first multi-purpose pressure heads, 11 first transfer blocks, 12 first sockets, 13 first bolts,
14 mounting plates, 15 templates, 16 second pressure arms, 17 second clamping plates, 18 second pin shafts, 19 second locking pins, 20 first supporting blocks, 21
Second transfer block, 22 second multi-purpose pressure heads, 23 second supporting blocks, 24 third transfer blocks, 25 second sockets, 26 second bolts,
27 pressure heads, 28 weights, 29 tighten bolt, and 100 top cover inner plates, 101 first compress point, and 102 second compress point, and 103 thirds compress
Point, 104 finger settings, 200 top cover outside plates.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
Can be used to explanation and illustration technical solution of the present invention it is same, and be not to be construed as be to the limitation of technical solution of the present invention.
As shown in Figure 1 and Figure 2, pedestal 1 is fixed on fixture Base plate by four bolts, and the first pressure arm 2 passes through the first folder
Plate 3, the first pin shaft 4 are connect with pedestal 1, and the first pressure arm 2 can make rotating motion around the first pin shaft；First locking pin 5 passes through first
Locking hole on clamping plate 3 and pedestal 1, to be positioned to the position of the first pressure arm 2.
Upper limit position block 6 is mounted on the first pressure arm 2 by two bolts, and lower position block 7 is mounted on bottom by two bolts
On seat 1.The retaining mechanism includes keeper formula active grab and hook；The pedestal of the keeper formula active grab is mounted on described
On first pressure arm, the hook is mounted on the base, and constitutes a set of retaining mechanism.The pedestal of keeper formula active grab 8 is mounted on
On first pressure arm 2, hook is mounted on pedestal 1, constitutes a set of retaining mechanism.Carrying handle 9 is mounted on by two bolts
On one pressure arm 2, convenient for the turning effort of the first pressure arm 2；First multi-purpose pressure head 10 is fixed on the first pressure arm 2 by a bolt
On.
The first bolt combination includes the first bolt, the first transfer block and the first socket；First transfer block is solid
Due on first pressure arm, first socket is fixed in first transfer block, and first bolt is movable to be inserted
It is connected on first socket.Template 15 is connect by mounting plate 14 with the first pressure arm 2；Second pressure arm 16 passes through second clamping plate
17 and second pin shaft 18 connect with template 15, the second pressure arm 16 can make rotating motion around the second pin shaft 18；Second locking pin 19 is worn
The locking hole on the second pressure arm 16 and template 15 is crossed, to position to the position of the second pressure arm 16；First supporting block 20 is logical
A bolt to be crossed to be mounted on the second pressure arm 16, the second multi-purpose pressure head 22 is connect by the second transfer block 21 with the second pressure arm 16,
First supporting block 20 and the second multi-purpose pressure head 22 collectively form compression point at one；Second supporting block 23 passes through bolt installation the
On two pressure arms 16；The second bolt combination includes the second bolt, third transfer block and the second socket；The third transfer block
It is fixed on first pressure arm, second socket 25 is fixed in the third transfer block 24, second bolt 26
It is movable to be plugged on second socket.
It is three direction views of pedestal, wherein a connect mounting hole, b with fixture BASE for pedestal 1 as shown in Fig. 3 A to Fig. 3 C
For the locking hole that the first bearing pin mounting hole, c are passed through by the first locking pin 5, d is the mounting hole of lower position block 7, and e is keeper formula
The hook mounting hole of active grab.
Fig. 4 A to Fig. 4 C is three direction views of the first pressure arm 2, and wherein f is that the first pressure arm 2 and the connection of first clamping plate 3 are installed
Hole；G is the mounting hole of carrying handle, and h is the base installing hole of keeper formula active grab, and i is the mounting hole of the first transfer block, j
For the mounting hole of third transfer block, k is the mounting hole of the second transfer block, and m is the mounting hole of mounting plate 14.
Fig. 5 A to Fig. 5 C is three direction views of template 15, and wherein n is the mounting hole that template 15 is connect with mounting plate 14；P is
The locking hole that second locking pin is passed through.
Fig. 6 A to Fig. 6 B is two direction views of the second pressure arm, and wherein q is 18 mounting hole of the second pin shaft.
As shown in Figure 7 and Figure 8, it is the first multi-purpose 10 structural diagrams of pressure head, mainly has pressure head 27, weight 28 tightens bolt
29 equal parts form.Wherein, weight 28 can be fixed on pressure head 27 by tightening bolt 29, and weight fixation hole 281 is kidney-shaped
Hole can quickly be adjusted weight in the position of compaction direction.As shown in Fig. 8 figure, make when needing to generate using pressure head 27
Used time can will tighten bolt 29 and unclamp, and remove weight 28, pressure head 27 acts on inner panel at this time；As shown in Fig. 8 figure, when outer
When plate is covered on inner panel, pressure head 27 is no longer applicable in, weight 28 can be fixed on pressure head 27 by tightening bolt 29,
Pressuring action is generated to outside plate by weight 28.
The structure of second multi-purpose pressure head is identical as the structure of the first multi-purpose pressure head, including weight.
As shown in Figure 9, Figure 10, it is illustrated when being positioned for top cover inner plate.It needs to remove the first bolt 13 at this time, while by
Weight on one multi-purpose pressure head 10 and the second multi-purpose pressure head 22 is removed.When being positioned to top cover inner plate 100, the first step, by
The pressure of one pressure arm 2, the first locking pin 5 is inserted into, is positioned to the position of the first pressure arm 2, then keeper formula active grab 8 is pressed from both sides
Tightly, so that the first compression point 101 compresses point 102 with second and pressing force is contacted and generated with top cover inner plate, then by the second bolt
In 26 insertion top cover inner plate location holes；Second step depresses the second pressure arm 16, the second locking pin 19 is inserted into, to the second pressure arm
16 position is positioned, so that the second compression point 102 contacts with top cover inner plate with third compression point 103 and generates pressing force.
In this fixture unit, finger setting 104 controls top cover inner plate X to the translation with Y-direction, and first, which compresses point 101, second, compresses point
102, third compresses 103 control top cover inner plate Z-direction translation of point and X to the rotation with Y-direction.
As is illustrated by figs. 11 and 12, it is illustrated when being positioned for top cover outside plate.It needs to remove the second bolt 26 at this time, simultaneously will
Weight on first multi-purpose pressure head 10 and the second multi-purpose pressure head 22 tightens fixation by bolt.Top cover outside plate 200 is positioned
When, the first step depresses the first pressure arm 2, and the first locking pin 5 is inserted into, and positions to the position of the first pressure arm 2, then by door
Hydrant active grab 8 clamps, so that the first compression point 101 compresses the weight on point 102 with second and contacts and produce with top cover outside plate
First bolt 13, is then inserted into top cover outside plate location hole by raw pressing force；Second step is depressed the second pressure arm 16, by second
Locking pin 19 is inserted into, and is positioned to the position of the second pressure arm 16, so that second compresses point 102 and third compression point 103 and top
Lid outside plate contacts and generates pressing force.In this fixture unit, finger setting controls top cover outside plate X to the translation with Y-direction, the first pressure
Tight point 101, second compresses point 102, third compresses 103 control top cover outside plate Z-direction translation of point and X to the rotation with Y-direction.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (7)
1. a kind of shared fixture unit of top cover inner and outer plates characterized by comprising
Pedestal, the pedestal are fixed on fixture BASE plate；
One end of first pressure arm, first pressure arm is connect by first clamping plate and the first pin shaft with the base rotation；
First locking pin, the locking hole in the first clamping plate and the pedestal, thus to the position of first pressure arm
It is positioned；
Retaining mechanism is formed with multiple structural members, they are respectively arranged on first pressure arm and the pedestal；
First multi-purpose pressure head is fixed on first pressure arm；
The combination of first bolt, it is movable to be set on first pressure arm；
Template is connect by mounting plate with first pressure arm；
Second pressure arm is rotatablely connected by second clamping plate and the second pin shaft and the template；
Second locking pin, the locking hole on second pressure arm and the template, thus to the position of second pressure arm
It is positioned；
First supporting block is mounted on second pressure arm；
Second multi-purpose pressure head is connect by the second transfer block with second pressure arm, first supporting block and more than described second
Compression point at one is collectively formed with pressure head；
First multi-purpose pressure head and the second multi-purpose pressure head all include weight, and weight is mounted at the first multi-purpose pressure head,
On two multi-purpose pressure heads；
Second supporting block is installed on second pressure arm；
The combination of second bolt, it is movable to be set on first pressure arm.
2. the shared fixture unit of top cover inner and outer plates according to claim 1, which is characterized in that limit combination, including it is upper
Limited block and lower position block, the upper limit position block are fixed on first pressure arm, and the lower position block is fixed on the pedestal
On.
3. the shared fixture unit of top cover inner and outer plates according to claim 1, which is characterized in that the retaining mechanism includes
Keeper formula active grab and hook；The pedestal of the keeper formula active grab is mounted on first pressure arm, the hook peace
On pedestal, a set of retaining mechanism is constituted.
4. the shared fixture unit of top cover inner and outer plates according to claim 1, which is characterized in that the first bolt combination
Including the first bolt, the first transfer block and the first socket；First transfer block is fixed on first pressure arm, and described
One socket is fixed in first transfer block, and first bolt is movable to be plugged on first socket.
5. the shared fixture unit of top cover inner and outer plates according to claim 1, which is characterized in that the second bolt combination
Including the second bolt, third transfer block and the second socket；The third transfer block is fixed on first pressure arm, and described
Two sockets are fixed in the third transfer block, and second bolt is movable to be plugged on second socket.
6. the shared fixture unit of top cover inner and outer plates according to claim 1, which is characterized in that it further include carrying handle,
It is fixed on first pressure arm.
7. the shared fixture unit of top cover inner and outer plates according to claim 1, which is characterized in that the first multi-purpose pressure head
Including pressure head, weight and tighten bolt；The weight is tightened bolt described in and is fixed on the pressure head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931054.8A CN108857236B (en) | 2018-08-15 | 2018-08-15 | A kind of fixture unit that top cover inner and outer plates are shared |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810931054.8A CN108857236B (en) | 2018-08-15 | 2018-08-15 | A kind of fixture unit that top cover inner and outer plates are shared |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108857236A CN108857236A (en) | 2018-11-23 |
| CN108857236B true CN108857236B (en) | 2019-12-03 |
Family
ID=64319080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810931054.8A Active CN108857236B (en) | 2018-08-15 | 2018-08-15 | A kind of fixture unit that top cover inner and outer plates are shared |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108857236B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001150188A (en) * | 1999-11-30 | 2001-06-05 | Honda Motor Co Ltd | Clamp device for jig |
| CN202763348U (en) * | 2012-09-18 | 2013-03-06 | 吉林麦达斯铝业有限公司 | Railway vehicle large-component welding general tool |
| CN203069124U (en) * | 2012-12-21 | 2013-07-17 | 济南吉利汽车有限公司 | Molded surface detection unit |
| CN203109505U (en) * | 2013-01-30 | 2013-08-07 | 上海同捷三花汽车系统有限公司 | Locating clamping device for welding of vehicle body |
| CN203390448U (en) * | 2013-07-15 | 2014-01-15 | 昆山达亚汽车零部件有限公司 | Welding jig limit block |
| CN106984934A (en) * | 2017-05-18 | 2017-07-28 | 安徽江淮汽车集团股份有限公司 | A kind of threshold class workpiece weld jig |
| CN107009074A (en) * | 2017-05-18 | 2017-08-04 | 安徽江淮汽车集团股份有限公司 | A kind of positioning and clamping mechanism of guide rail class workpiece |
| CN206583370U (en) * | 2017-03-06 | 2017-10-24 | 知豆电动汽车有限公司 | The shared part surface device for detecting difference of a kind of inner plate of car door and outside plate |
| CN206677463U (en) * | 2017-04-10 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of fixture unit of semiclosed class workpiece |
| CN206677479U (en) * | 2017-04-28 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of small rack positioner |
-
2018
- 2018-08-15 CN CN201810931054.8A patent/CN108857236B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001150188A (en) * | 1999-11-30 | 2001-06-05 | Honda Motor Co Ltd | Clamp device for jig |
| CN202763348U (en) * | 2012-09-18 | 2013-03-06 | 吉林麦达斯铝业有限公司 | Railway vehicle large-component welding general tool |
| CN203069124U (en) * | 2012-12-21 | 2013-07-17 | 济南吉利汽车有限公司 | Molded surface detection unit |
| CN203109505U (en) * | 2013-01-30 | 2013-08-07 | 上海同捷三花汽车系统有限公司 | Locating clamping device for welding of vehicle body |
| CN203390448U (en) * | 2013-07-15 | 2014-01-15 | 昆山达亚汽车零部件有限公司 | Welding jig limit block |
| CN206583370U (en) * | 2017-03-06 | 2017-10-24 | 知豆电动汽车有限公司 | The shared part surface device for detecting difference of a kind of inner plate of car door and outside plate |
| CN206677463U (en) * | 2017-04-10 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of fixture unit of semiclosed class workpiece |
| CN206677479U (en) * | 2017-04-28 | 2017-11-28 | 安徽江淮汽车集团股份有限公司 | A kind of small rack positioner |
| CN106984934A (en) * | 2017-05-18 | 2017-07-28 | 安徽江淮汽车集团股份有限公司 | A kind of threshold class workpiece weld jig |
| CN107009074A (en) * | 2017-05-18 | 2017-08-04 | 安徽江淮汽车集团股份有限公司 | A kind of positioning and clamping mechanism of guide rail class workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108857236A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102490137B (en) | Centering and positioning fixture for automobile assembly | |
| CN105234618A (en) | Automobile hinge installation clamp | |
| CN108857236B (en) | A kind of fixture unit that top cover inner and outer plates are shared | |
| CN103817475A (en) | Bulletproof and load-bearing type vehicle floor welding and tooling method and tooling clamp thereof | |
| CN209698331U (en) | A kind of body of a motor car assembly welding clamp | |
| CN113084561B (en) | Thin-wall box clamp mechanism | |
| CN205629759U (en) | Compress tightly locking body | |
| CN213592128U (en) | New forms of energy passenger car controller assembly friction welding jig | |
| CN105290833B (en) | Device locking reverse hook press plate through lever mechanism | |
| CN207522133U (en) | A kind of auto parts and components processing fixing device | |
| CN208262159U (en) | Clamping and fixing device is used in a kind of welding of Truck Frame Model | |
| CN107335958A (en) | Auto welding jig | |
| CN209288767U (en) | Catch base slotting attachment | |
| CN210210158U (en) | Fixing clamp for nitrogen spring | |
| CN208728500U (en) | A kind of automobile die clamping tooling | |
| CN210334894U (en) | Straight-through type clamping plate device | |
| CN107378356B (en) | Welding fixture for triangular arm reinforcing plate | |
| CN110449933A (en) | A kind of numerically-controlled machine tool clamping device special | |
| CN217529757U (en) | Hand wheel welding tool | |
| CN220243734U (en) | Assembly fixture for rear auxiliary frame assembly | |
| TW202015943A (en) | Pressing device of a shock absorber | |
| CN216730314U (en) | Special vehicle frame robot welding assembly tool | |
| CN215510630U (en) | Quick pressing device for vibrating table | |
| CN211053495U (en) | Clamping and fixing device for wooden furniture | |
| CN215037230U (en) | Automobile side plate part mounting frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |