CN105108202B - A kind of small head end drilling tool of automobile gas exhausting manifold branch - Google Patents
A kind of small head end drilling tool of automobile gas exhausting manifold branch Download PDFInfo
- Publication number
- CN105108202B CN105108202B CN201510617805.5A CN201510617805A CN105108202B CN 105108202 B CN105108202 B CN 105108202B CN 201510617805 A CN201510617805 A CN 201510617805A CN 105108202 B CN105108202 B CN 105108202B
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- exhaust manifold
- positioning seat
- top surface
- drill bit
- transmission case
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- 238000005553 drilling Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 210000002683 foot Anatomy 0.000 claims description 7
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 3
- 239000011087 paperboard Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention discloses a kind of small head end drilling tool of automobile gas exhausting manifold branch, and horizonal base plate left part is provided with mounting seat, has transmission case in mounting seat top surface；Motor is arranged at the top of transmission case, and motor drives drive axis；The right-hand member of power transmission shaft is installed with active gear wheel, and active gear wheel is often engaged with 3 driven pinions, and this 3 driven pinions are solidly set in drive shaft respectively；The right-hand member of every drive shaft is coaxially connected by drill bit connection component and a drill bit；There is the first locating dowel in the left front portion of exhaust manifold positioning seat top surface, and there is the second locating dowel at the right rear portion of exhaust manifold positioning seat top surface；There are 3 prelocalization pins the right of first locating dowel side by side from left to right, and the second locating dowel left is turned left side by side from the right side and has alignment pin after 3；Exhaust manifold positioning seat left front is provided with the first cylinder, and exhaust manifold positioning seat right back is provided with the second cylinder.The present invention can bore 3 mounting holes on exhaust manifold simultaneously, can thus ensure the position degree requirement of 3 mounting holes well.
Description
Technical field
The invention belongs to automobile gas exhausting manifold branch manufacture field, more particularly to a kind of small head end drillman of automobile gas exhausting manifold branch
Dress.
Background technology
Exhaust manifold is the important component of automobile engine exhaust system, and its small head end is provided with 4 mounting holes, this 3
The axial line of mounting hole is parallel, and is located proximate to.Current processing method is to drill one by one, and such processing mode is not only processed
Efficiency is low, and the position degree in 3 holes can not Reliable guarantee, above-mentioned technical barrier of urgent need solution for this.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of automobile gas exhausting manifold branch small head end drilling tool, are intended to simultaneously
3 mounting holes are bored in small head end.
Technical scheme is as follows：A kind of small head end drilling tool of automobile gas exhausting manifold branch, it is characterised in that：Including water
Flat underside (1), motor (5) and exhaust manifold positioning seat (15), wherein horizonal base plate (1) are rectangular slab, on a left side for horizonal base plate
Portion is installed with a mounting seat (2), provided with a transmission case (3) on mounting seat top surface, the transmission case bottom surface and mounting seat (2)
The guide rail (2a) of top surface is slidably matched, and transmission case (3) can be moved left and right along the guide rail；The peace of transmission case (3) left
A pusher cylinder (4), piston rod right-hand member and the transmission case (3) left end of the pusher cylinder are horizontally installed with dress seat (2)
Face is fixed, so as to promote transmission case (3) to move left and right；The motor (5) is arranged at the top of transmission case (3), the motor output shaft
The driving pulley of left end is connected by transmission belt (6) with the driven pulley on power transmission shaft (7), and the left part of the power transmission shaft and middle part are logical
Cross in mounting hole of the bearings on transmission case (3)；Power transmission shaft (7) right-hand member is reached in connecting box (8), and the connecting box is set
On the right of the transmission case (3), and fixed by circumferentially arranged level connection joint post (9) with the transmission case；The power transmission shaft
(7) right-hand member is installed with an active gear wheel (10), and the active gear wheel is often engaged with 3 driven pinions (11), this 3
Driven pinion is solidly set on a corresponding drive shaft (12) respectively, and the left end and right part of this 3 drive shafts pass through axle respectively
Hold and be supported on the corresponding boxboard of the connecting box (8)；The right-hand member of the every drive shaft (12) passes through a drill bit connection group
Part and the afterbody of a drill bit (13) are coaxially connected, and the drill bit connection component is arranged on taper connection bucket (14) right-hand member, and taper
Connection bucket (14) left end is fixedly connected with the connecting box (8) right-hand member；
The exhaust manifold positioning seat (15) is located at connecting box (8) front-right, and is fixed on the top of the horizonal base plate (1)
On face, the top surface of the exhaust manifold positioning seat is left low right high inclined-plane；Exhaust manifold positioning seat (15) top surface it is left front
Portion is provided with the first locating dowel (16) vertically, and the right front vertical of the exhaust manifold positioning seat top surface is provided with the second locating dowel (17),
The diameter of this two locating dowels is identical, and either flush, and the first locating dowel (16) top surface is located at piece drill bit of bottom
(13) lower section；There are 3 prelocalization pins (18), second positioning in the right of first locating dowel (16) side by side from left to right
Post (17) left is turned left side by side from the right side alignment pin (19) after 3, and the diameter of these alignment pins is equal, and determines less than described first
The diameter of position post (16), and the either flush of all alignment pins, and less than the top surface of the first locating dowel (16)；
Exhaust manifold positioning seat (15) left front is provided with the first cylinder (20), and the exhaust manifold positioning seat right back is set
There is the second cylinder (21), the two cylinders are located on the top surface of the horizonal base plate (1) vertically, and first and second cylinder (20,
21) piston rod upper end is respectively and fixedly provided with one piece of horizontal pressure foot (22), and this two pieces of horizontal pressure foots are used to exhaust manifold being pressed on row
On gas manifold positioning seat (15).
In the above-mentioned technical solutions, exhaust manifold is by the first locating dowel (16), the second locating dowel (17), prelocalization pin (18)
It is positioned on exhaust manifold positioning seat (15), and is compressed by two pieces of horizontal pressure foots (22) with rear alignment pin (19).During drilling, motor
(5) power is delivered on 3 drive shafts (12) by power transmission shaft (7), so as to drive 3 drill bit synchronous axial systems.Promote simultaneously
Cylinder (4) promotes transmission case (3) to move right, so as to drive 3 drill bit axial feeds, and then realizes drilling.
Using above technical scheme, the present invention can bore 3 mounting holes on exhaust manifold simultaneously, between 3 drill bits
Relative distance is fixed, and without repeated clamping exhaust manifold and positioning drill bit, can thus ensure the position of 3 mounting holes well
Degree of putting requirement, avoids the defect drilled one by one in the past well, and this drilling tool is simple in construction, it is easy to implement.
Preferably, the drill bit connection component includes interior adapter sleeve (23) and clamping screw (26), wherein interior adapter sleeve
(23) centre bore is flat hole, the flat hole and the flat section close-fitting of the drive shaft (12) right-hand member and drill bit (13) afterbody
Close；The interior adapter sleeve (23) is installed in the centre bore of outer adapter sleeve (24) by bearing, solid on the outer wall of the outer adapter sleeve
Provided with a radial direction block (25), a bar hole (25a) is provided with along its length on radial direction block；The clamping screw (26) is worn
Cross after the bolt through-hole on taper connection bucket (14) and the bar hole (25a) on radial direction block (25), be set with a clamp nut
(27)。
Using above structure, drive shaft (12) and drill bit (13) thus can be effectively connected, to ensure the reliable of transmission,
And can guarantee that drill bit is freely rotated, and this modular construction is simple, it is easy to implement.Furthermore it is also possible to quickly and easily more preferably abrasion
Drill bit afterwards is time saving and energy saving.
In the present case, the connecting box (8) and exhaust manifold positioning seat (15) are middle provided with a drill bit positioning seat (28),
The drill bit positioning seat is fixed on the top surface of the horizonal base plate (1), and is respectively mounted in the mounting hole of 3 on drill bit positioning seat
There is a drill bushing (29), 3 drill bits (13) are each passed through the centre bore of correspondence drill bushing (29).
Using above structure, occurs acutely shake during the head drilling that can thus more efficiently prevent from drill bit, so as to have
Effect ensures borehole accuracy.
It is special that 3 prelocalization pins (18) and rear alignment pin (19) are equidistant in order to more effectively realize positioning and support
Set.
Beneficial effect：The present invention can bore 3 mounting holes on exhaust manifold, the relative distance between 3 drill bits simultaneously
It is fixed, it can thus ensure the position degree requirement of 3 mounting holes well, the defect drilled one by one in the past is avoided well, and
The drill bit connection of this drilling tool is reliable, convenient to disassembly.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the partial enlarged drawing of part A in Fig. 1.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1, 2, 3, the small head end drilling tool of a kind of automobile gas exhausting manifold branch, mainly by horizonal base plate 1, mounting seat 2,
It is transmission case 3, pusher cylinder 4, motor 5, transmission belt 6, power transmission shaft 7, connecting box 8, level connection joint post 9, active gear wheel 10, driven
Little gear 11, drive shaft 12, drill bit 13 and taper connection bucket 14 etc. are constituted.Wherein, horizonal base plate 1 is rectangular slab, the horizontal base
Plate 1 is fixed on pedestal by tommyhead bolt.A mounting seat 2 is installed with the left part of horizonal base plate 1, on the top surface of mounting seat 2
Provided with a transmission case 3, the bottom surface of transmission case 3 and the guide rail 2a of the top surface of mounting seat 2 are slidably matched, and transmission case 3 can be along this
Guide rail 2a is moved left and right.A pusher cylinder 4, the work of the pusher cylinder 4 are horizontally installed with the mounting seat 2 of the left of transmission case 3
Stopper rod right-hand member is fixed with the left side of transmission case 3, so as to promote transmission case 3 to move left and right.Motor 5 is arranged on the top of transmission case 3, should
The driving pulley of the output shaft left end of motor 5 is connected by transmission belt 6 with the driven pulley on power transmission shaft 7, the left part of the power transmission shaft 7
Pass through with middle part in mounting hole of the bearings on transmission case 3.
As shown in Figure 1, 2, the right-hand member of power transmission shaft 7 is reached in connecting box 8, and the connecting box 8 is located at the right of transmission case 3, and leads to
8 circumferentially arranged level connection joint posts 9 are crossed to fix with the transmission case 8.The right-hand member of power transmission shaft 7 is installed with an active gear wheel
10, the active gear wheel is often engaged with 3 driven pinions 11, this 3 driven pinions 11 be solidly set on respectively one it is corresponding
In drive shaft 12, the left end and right part of this 3 drive shafts 12 are respectively by bearings on the corresponding boxboard of connecting box 8.Often
The right-hand member of root drive shaft 12 is coaxially connected by the afterbody of a drill bit connection component and a drill bit 13, the drill bit connection component
Installed in the right-hand member of taper connection bucket 14, and the left end of taper connection bucket 14 is fixedly connected with the right-hand member of connecting box 8.
Drill bit connection component is by interior adapter sleeve 23, outer adapter sleeve 24, radial direction block 25, clamping screw 26 and the structure of clamp nut 27
Into wherein the centre bore of interior adapter sleeve 23 is the combination bore being small at both ends and big in the middle, and two is flat hole, the flat hole on the left side
With the flat of the right-hand member of drive shaft 12 section tight fit, flat hole and the flat section of the afterbody of drill bit 13 on the right of the interior centre bore of adapter sleeve 23
Tight fit.Interior adapter sleeve 23 is installed in the centre bore of outer adapter sleeve 24 by bearing, fixed on the outer wall of the outer adapter sleeve 24
There is a radial direction block 25, be provided with a bar hole 25a along its length on radial direction block.Clamping screw 26 passes through taper connection bucket
After the bar hole 25a on bolt through-hole and radial direction block 25 on 14, a clamp nut 27 is set with.
From Fig. 1,2 it is also seen that exhaust manifold positioning seat 15 is located at the front-right of connecting box 8, and is fixed on horizonal base plate 1
Top surface on, the top surface of the exhaust manifold positioning seat 15 is left low right high inclined-plane.The top surface of exhaust manifold positioning seat 15 it is left front
Portion is provided with the first locating dowel 16 vertically, and the right front vertical of the top surface of exhaust manifold positioning seat 15 is provided with the second locating dowel 17, this
The diameter of two locating dowels is identical, and either flush, and the top surface of the top surface and exhaust manifold positioning seat 15 of the second locating dowel 17
It is parallel.Also, the top surface of the first locating dowel 16 is located at the lower section of a piece drill bit 13 of bottom.The right of first locating dowel 16 is past from a left side
There are 3 prelocalization pins 18 on the right side side by side, and the left of the second locating dowel 17 is turned left side by side from the right side alignment pin 19 after 3, these alignment pins
Diameter it is equal, and less than the diameter of the first locating dowel 16, and the either flush of all alignment pins, and with exhaust manifold positioning seat
15 top surface is parallel.Also, the top surface of prelocalization pin 18 and rear alignment pin 19 is less than the top surface of the first locating dowel 16.Meanwhile, 3
Prelocalization pin 18 and rear alignment pin 19 are placed equidistant.
The left front of exhaust manifold positioning seat 15 is provided with the first cylinder 20, and the right back of the exhaust manifold positioning seat 15 is provided with the
Two cylinders 21, the two cylinders are located on the top surface of horizonal base plate 1 vertically, and the piston of the first cylinder 20 and the second cylinder 21
Bar upper end is respectively and fixedly provided with one piece of horizontal pressure foot 22, and this two pieces of horizontal pressure foots 22 are used to exhaust manifold being pressed on exhaust manifold positioning
On seat 15.Connecting box 8 in the middle of exhaust manifold positioning seat 15 provided with a drill bit positioning seat 28, the drill bit positioning seat 28 with being fixed on
On the top surface of horizonal base plate 1.A drill bushing 29 is separately installed with 3 mounting holes on drill bit positioning seat 28, the drill bushing 29 is right
The big footpath section at end exposes the right surface of drill bit positioning seat 28, and 3 drill bits 13 are each passed through the centre bore of correspondence drill bushing 29.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not limitation, all essences in the present invention with the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (2)
1. a kind of small head end drilling tool of automobile gas exhausting manifold branch, it is characterised in that：Including horizonal base plate (1), motor (5) and exhaust
Manifold positioning seat (15), wherein horizonal base plate (1) they are rectangular slab, and a mounting seat (2) is installed with the left part of horizonal base plate,
Mounting seat top surface is slidably matched provided with a transmission case (3), the transmission case bottom surface and the guide rail (2a) of mounting seat (2) top surface,
And transmission case (3) can be moved left and right along the guide rail；One is horizontally installed with the mounting seat (2) of transmission case (3) left
Pusher cylinder (4), piston rod right-hand member and the transmission case (3) left side of the pusher cylinder are fixed, so as to promote transmission case (3)
Move left and right；The motor (5) is arranged at the top of transmission case (3), and the driving pulley of the motor output shaft left end passes through transmission belt
(6) it is connected with the driven pulley on power transmission shaft (7), the left part of the power transmission shaft and middle part are by bearings on transmission case (3)
Mounting hole in；Power transmission shaft (7) right-hand member is reached in connecting box (8), and the connecting box is located on the right of the transmission case (3), and
Fixed by circumferentially arranged level connection joint post (9) with the transmission case；The right-hand member of the power transmission shaft (7) is installed with an active
Gear wheel (10), the active gear wheel is often engaged with 3 driven pinions (11), and this 3 driven pinions are solidly set on one respectively
In the corresponding drive shaft of root (12), the left end and right part of this 3 drive shafts are right in the connecting box (8) by bearings respectively
On the boxboard answered；The right-hand member of the every drive shaft (12) is same by a drill bit connection component and the afterbody of a drill bit (13)
Axle is connected, and the drill bit connection component is arranged on taper connection bucket (14) right-hand member, and taper connection bucket (14) left end and the connection
Case (8) right-hand member is fixedly connected；
The exhaust manifold positioning seat (15) is located at connecting box (8) front-right, and is fixed on the top surface of the horizonal base plate (1)
On, the top surface of the exhaust manifold positioning seat is left low right high inclined-plane；The left front portion of exhaust manifold positioning seat (15) top surface
The first locating dowel (16) is provided with vertically, and the right front vertical of the exhaust manifold positioning seat top surface is provided with the second locating dowel (17), this
The diameter of two locating dowels is identical, and either flush, and the first locating dowel (16) top surface is located at the drill bit (13) of bottom one
Lower section；There are 3 prelocalization pins (18), second locating dowel in the right of first locating dowel (16) side by side from left to right
(17) left is turned left side by side from the right side alignment pin (19) after 3, and the diameter of these alignment pins is equal, and less than the described first positioning
The diameter of post (16), and the either flush of all alignment pins, and less than the top surface of the first locating dowel (16)；
Exhaust manifold positioning seat (15) left front is provided with the first cylinder (20), and the exhaust manifold positioning seat right back is provided with the
Two cylinders (21), the two cylinders are located on the top surface of the horizonal base plate (1) vertically, and first and second cylinder (20,21)
Piston rod upper end is respectively and fixedly provided with one piece of horizontal pressure foot (22), and this two pieces of horizontal pressure foots are used to exhaust manifold being pressed on exhaust manifold
On positioning seat (15)；
The drill bit connection component includes interior adapter sleeve (23) and clamping screw (26), wherein the centre bore of interior adapter sleeve (23) is
Flat hole, the flat hole and the flat section tight fit of the drive shaft (12) right-hand member and drill bit (13) afterbody；The interior adapter sleeve
(23) installed by bearing in the centre bore of outer adapter sleeve (24), a radial direction block is installed with the outer wall of the outer adapter sleeve
(25), it is provided with a bar hole (25a) along its length on radial direction block；The clamping screw (26) passes through taper connection bucket
(14) after the bar hole (25a) on bolt through-hole and radial direction block (25) on, it is set with a clamp nut (27)；
The connecting box (8) is with being provided with a drill bit positioning seat (28), the drill bit positioning seat in the middle of exhaust manifold positioning seat (15)
On the top surface for being fixed on the horizonal base plate (1), and a drill bushing is separately installed with 3 mounting holes on drill bit positioning seat
(29), 3 drill bits (13) are each passed through the centre bore of correspondence drill bushing (29).
2. the small head end drilling tool of automobile gas exhausting manifold branch according to claim 1, it is characterised in that：3 prelocalizations
Pin (18) and rear alignment pin (19) are placed equidistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617805.5A CN105108202B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end drilling tool of automobile gas exhausting manifold branch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617805.5A CN105108202B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end drilling tool of automobile gas exhausting manifold branch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105108202A CN105108202A (en) | 2015-12-02 |
| CN105108202B true CN105108202B (en) | 2017-07-21 |
Family
ID=54656433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617805.5A Active CN105108202B (en) | 2015-09-24 | 2015-09-24 | A kind of small head end drilling tool of automobile gas exhausting manifold branch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105108202B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570753A (en) * | 2020-12-10 | 2021-03-30 | 江苏恒高电气制造有限公司 | Multi-drill assembly and multi-drill machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6993839B2 (en) * | 2002-07-15 | 2006-02-07 | Omni Integrated Technologies, Inc. | Method for machining a stainless steel exhaust manifold for a multi-cylinder combustion engine |
| CN202388463U (en) * | 2011-12-14 | 2012-08-22 | 浙江吉润汽车有限公司 | Exhaust pipe auxiliary tooling |
| CN102744440A (en) * | 2012-08-01 | 2012-10-24 | 江苏真绩机械制造有限公司 | Horizontal multi-shaft drilling machine |
| CN203125039U (en) * | 2013-02-05 | 2013-08-14 | 柳州恒耀汽车零部件有限公司 | Exhaust manifold tool support |
| CN104209551A (en) * | 2013-05-31 | 2014-12-17 | 天津市奥瑞特阀门有限公司 | Manual head multi-shaft drilling device |
| CN204234788U (en) * | 2014-11-25 | 2015-04-01 | 全椒鑫隆机械有限公司 | A kind of practical multi-hole drill |
| CN205057108U (en) * | 2015-09-24 | 2016-03-02 | 重庆民发汽车配件有限责任公司 | Exhaust manifold microcephaly holds drilling frock |
-
2015
- 2015-09-24 CN CN201510617805.5A patent/CN105108202B/en active Active
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| CN105108202A (en) | 2015-12-02 |
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Address after: 201700 room 1201, 12 / F, block B, building 4, 1777 Hualong Road, Huaxin Town, Qingpu District, Shanghai Patentee after: Green Chi Automotive Technology Group Co.,Ltd. Address before: Room 288, area J, 2 / F, building 1, 1288 Huateng Road, Huaxin Town, Qingpu District, Shanghai Patentee before: LVCHI AUTO TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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Effective date of registration: 20220328 Address after: 518000 room 1102, building 1, culture and Sports Center, Digang Avenue, Shajing street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Lvchi intelligent (Shenzhen) Co.,Ltd. Address before: 201700 room 1201, 12 / F, block B, building 4, 1777 Hualong Road, Huaxin Town, Qingpu District, Shanghai Patentee before: Green Chi Automotive Technology Group Co.,Ltd. |