CN107069519A - A kind of fixable electric power drawer-type switch cabinet - Google Patents
A kind of fixable electric power drawer-type switch cabinet Download PDFInfo
- Publication number
- CN107069519A CN107069519A CN201611130387.8A CN201611130387A CN107069519A CN 107069519 A CN107069519 A CN 107069519A CN 201611130387 A CN201611130387 A CN 201611130387A CN 107069519 A CN107069519 A CN 107069519A
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- CN
- China
- Prior art keywords
- connector
- chamber
- cabinet
- slide
- groove
- 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
Links
- 238000009434 installation Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The first cavity is provided with the invention discloses a kind of fixable electric power drawer-type switch cabinet, including inside（3）With the second cavity（2）Cabinet（1）, second cavity（2）The interior connecting plate for being set provided with multigroup equi-spaced apart and limited block being provided with left end（42）, the connecting plate（42）Upper surface is sliding drawer part（4）, the drawer part（4）Left side is installed with locked groove part（41）, first cavity（3）Inside it is provided with the first connector（31）With the second connector（32）, first connector（31）With the second connector（32）Between provided with the locking bar that is slidably connected（5）, the locking bar（5）First connector is stretched at top（31）Interior and end is fixed with the first top pressure spring（33）, the locking bar（5）Right side sets groove provided with multigroup equi-spaced apart（51）；The present apparatus is simple in construction, easy to operate, without repeating and safe.
Description
Technical field
The present invention relates to power switch cabinet technical field, specifically a kind of fixable electric power drawer-type switch cabinet.
Background technology
There is independent electrical unit in each drawer in drawer-type switch cabinet, be easy to the management to electric unit.But,
Under electric unit running status in drawer-type switch cabinet, it is necessary to by all drawer lockings.Single drawer is generally required to carry out
Lock, operate relatively complicated.Easily there is the single situation for forgetting to lock in multiple drawers, with potential safety hazard, some existing energy
The switch cubicle function of uniformly being locked to multiple drawers is single, there is a situation where single to need when forgetting to lock unified to open from newly
There is potential safety hazard in lock and then again unified closing, troublesome poeration.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of fixable electric power drawer-type switch cabinet, and it can solve the problem that
It is above-mentioned it is existing in the art the problem of.
The present invention is achieved through the following technical solutions：A kind of fixable electric power drawer type switch of the present invention
Set in cabinet, including the internal cabinet provided with the first cavity and the second cavity, second cavity provided with multigroup equi-spaced apart and
The connecting plate of limited block is provided with left end, the connecting plate upper surface is sliding drawer part, and the drawer part left side is installed with
Locked groove part, is provided with the first connector and the second connector in first cavity, first connector and the second connector it
Between provided with the locking bar that is slidably connected, stretched at the top of the locking bar in first connector and end be fixed with the first top pressure
Set on the right side of spring, the locking bar provided with multigroup equi-spaced apart and the second top pressure spring, slide bar and lock are provided with groove, the groove
Middle position is provided with non-return teeth portion on the left of head, the locking bar, and the locking bar bottom is inserted in second connector and described
Locking bar bottom is provided with inclined plane slide block portion, the second connector left side wall and offered inside a connection second connector
Slide chamber provided with first in opening, with the relative cabinet left side wall of the opening, described first slide intracavitary provided with the first chute,
Extension spring conciliates both sides above and below lock slide, the solution lock slide and is equipped with the first convex sliding block, and the first convex sliding block is embedded in institute
State in the first chute and be slidably connected, the solution lock slide left end is fixedly connected with the extension spring, and the extension spring is left
End is fixedly connected with the madial wall in first chute, and the solution lock slide right-hand member, which is provided with to slide with the inclined plane slide block portion, matches somebody with somebody
The cabinet above chamber is slided provided with unblock joystick, described first in the unblock sliding surface portion of conjunction, the unblock slip front face
The second cunning chamber is inside provided with, described second, which slides intracavitary, is provided with above and below the second chute, the 3rd top pressure spring and retainer, the retainer
Both sides are equipped with the second convex sliding block, and the second convex sliding block is embedded in second chute and is slidably connected, and the retainer is left
End is fixedly connected with the 3rd top pressure spring, and the retainer right-hand member is provided with the check lever abutted against with the non-return teeth portion,
The retainer front end face is provided with mounting groove, the mounting groove upper side provided with lock handle, the cabinet left surface is resetted
Slidably connect steady pin, the mounting groove is corresponding to be installed to be provided with mounting blocks, the mounting blocks on wall and be provided with
The lock chamber of lower insertion, the size of the lock chamber is slightly larger than the steady pin.
Further, connect to be better achieved to fix with the cabinet inner top at the top of the present invention, first connector
Connect and be fixedly connected with the second connector bottom with the cabinet inner bottom wall.
Further, to be better achieved the present invention, the slide bar be slidably connected through the tapered end and two ends with
The inwall of the groove both sides is fixedly connected, and second top pressure spring is circumferentially positioned at the slide bar of the tapered end upper surface
On, it is oppositely arranged on the right side of the tapered end with the locked groove part.
Further, for the present invention is better achieved, the unblock sliding surface portion of the solution lock slide right-hand member is through described
Cabinet is simultaneously stretched into the opening.
Further, slided to be better achieved on the present invention, the cabinet front end face outer wall with corresponding described first
Chamber and described second is slided provided with the first hollow groove and the second hollow groove at chamber, and first hollow groove is connected with the described first cunning chamber
Logical to set, second hollow groove is connected settings with the described second cunning chamber, and the joystick that unlocks is through the first hollow groove
And it is protruding, the reset lock handle runs through the second hollow groove and protruding.
Further, for the present invention is better achieved, the non-return teeth portion is upwards sliding connection with check lever, to
It is connected for stop down.
The beneficial effects of the invention are as follows：By operating unblock joystick control solution lock slide to the right to the second connector one
Side is moved, and the unblock sliding surface portion by right-hand member is slidably engaged with inclined plane slide block portion, and the upward top pressure of locking bar is overcome into the first top pressure
The active force of spring, locking bar move up during by the 3rd top pressure spring by retainer top pressure to the right so that the non-return of right-hand member
Bar and non-return teeth portion detent fit, complete to unlock when tapered end is kept completely separate with locked groove part, and unclamping unblock joystick will need
Overhaul drawer part to extract out, while solve lock slide returns to initial position by the drawing force of extension spring, as work people
Only drawer part need to be promoted into cabinet after the completion of member's maintenance and drawer part is connected with the limited block on connecting plate, now by
Left operation resets lock handle and check lever and non-return teeth portion is departed from, now by the active force of the first top pressure spring by locking bar
Downward top pressure causes inclined plane slide block portion out of new insertion the second connector, while tapered end completes to lock with locked groove part.Also work as inspection
When repairing or during special circumstances, if drawer part is not pushed into locking, now only need to drawer part being pushed into, pass through locked groove part and lock
Head is slidably matched tapered end jack-up, enters tapered end top pressure to complete to lock in locked groove part finally by the active force of the second top pressure spring
Fixed, without unlocking and locking from newly, the present apparatus is simple in construction, easy to operate, without repeating and safe.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
Fig. 1 is electric power drawer-type switch cabinet external structure schematic diagram of the invention；
Fig. 2 is electric power drawer-type switch cabinet internal structure schematic diagram of the invention；
Structural representation when Fig. 3 installs for the electric power drawer-type switch cabinet of the present invention；
The enlarged diagram that Fig. 4 is A in Fig. 2 of the invention；
Fig. 5 is stopper structure schematic diagram of the invention；
Fig. 6 is unblock slide block structure schematic diagram of the invention；
Fig. 7 is the structural representation of the mounting groove of the present invention.
Embodiment
As shown in Fig. 1-Fig. 7, a kind of fixable electric power drawer-type switch cabinet of the invention, including it is internal empty provided with first
Set in the cabinet 1 of the cavity 2 of chamber 3 and second, second cavity 2 provided with multigroup equi-spaced apart and limited block is provided with left end
Connecting plate 42, the upper surface of connecting plate 42 is sliding drawer part 4, and the left side of drawer part 4 is installed with locked groove part 41, described
It is provided with first cavity 3 between the first connector 31 and the second connector 32, the connector 32 of the first connector 31 and second
Provided with the locking bar 5 being slidably connected, the top of locking bar 5 is stretched into first connector 31 and end is fixed with the first top
Pressing spring 33, the right side of locking bar 5 is set provided with multigroup equi-spaced apart is provided with the second top pressure spring in groove 51, the groove 51
53rd, slide bar 52 and tapered end 54, the left side middle position of locking bar 5 are provided with non-return teeth portion 55, and the bottom of locking bar 5 insertion is described
In the second connector 32 and bottom of locking bar 5 is provided with inclined plane slide block portion 56, the left side wall of the second connector 32 and offered
Opening inside one connection second connector 32, is slided with the opening in the relative left side wall of the cabinet 1 provided with first
Chamber 7, described first slides provided with the first chute 71, the reconciliation lock slide 73 of extension spring 72 in chamber 7, and the solution lock slide is two about 73
Side is equipped with the first convex sliding block 731, and the first convex sliding block 731 is embedded in first chute 71 and is slidably connected, the solution
The left end of lock slide 73 is fixedly connected with the extension spring 72, the left end of extension spring 72 with it is interior in first chute 71
Side wall is fixedly connected, and solution lock slide 73 right-hand member is provided with the unblock sliding surface portion 733 being slidably matched with the inclined plane slide block portion 56,
Solution lock slide 73 front end face is provided with unblock joystick 732, and described first slides in the cabinet 1 of the top of chamber 7 provided with the
Two slide chamber 6, and the second cunning chamber 6 is interior to be provided with the second chute 61, the 3rd top pressure spring 62 and retainer 63, the retainer 63
Lower both sides are equipped with the second convex sliding block 631, and the second convex sliding block 631 is embedded in second chute 61 and is slidably connected, institute
State the left end of retainer 63 to be fixedly connected with the 3rd top pressure spring 62, the right-hand member of retainer 63 is provided with and the non-return teeth portion
55 check levers 633 abutted against, the front end face of retainer 63 is set provided with lock handle 632, the left surface of cabinet 1 is resetted
There is mounting groove 9, the upper side of mounting groove 9 slidably connects steady pin 91, and the mounting groove 9 corresponding install sets on wall 11
The lock chamber 13 that up/down perforation is provided with mounting blocks 12, the mounting blocks 12 is equipped with, the size of the lock chamber 13 is slightly larger than
The steady pin 91 is so as to facilitate the steady pin 91 to be caught in and extract the lock chamber 13, during installation, by the installation on cabinet 1
The alignment of groove 9 installs the mounting blocks 12 on wall 11 and mounting blocks 12 is fastened with mounting groove 9, is then pressed into steady pin 91
In lock chamber 13, installation
Wherein, the top of the first connector 31 is fixedly connected and the bottom of the second connector 32 and institute with the inner top of cabinet 1
State the inner bottom wall of cabinet 1 to be fixedly connected, the slide bar 52 is slidably connected and two ends and the groove 51 through the tapered end 54
The inwall of both sides is fixedly connected, and second top pressure spring 53 is circumferentially positioned at the slide bar 52 of the upper surface of tapered end 54
On, the right side of tapered end 54 is oppositely arranged with the locked groove part 41, the unblock sliding surface portion 733 of the solution right-hand member of lock slide 73
Through the cabinet 1 and stretch into the opening, slided on the front end face outer wall of cabinet 1 with corresponding described first chamber 7 and
Described second slides provided with the first hollow groove 11 and the second hollow groove 12 at chamber 6, and first hollow groove 11 slides chamber 7 with described first
Be connected setting, and second hollow groove 12 is connected settings with the described second cunning chamber 6, and the joystick 732 that unlocks runs through
First hollow groove 11 is simultaneously protruding, and the reset lock handle 632 runs through the second hollow groove 12 and protruding, the non-return
Teeth portion 55 is upwards sliding connection with check lever 633, is connected for stop downwards.
In use, by operating the unblock control of joystick 732 solution lock slide 73 to the right to the sidesway of the second connector 32 1
It is dynamic, and be slidably engaged by the unblock sliding surface portion 733 of right-hand member with inclined plane slide block portion 56, the upward top pressure of locking bar 5 is overcome into the first top
The active force of pressing spring 33, locking bar 5 move up during by the 3rd top pressure spring 62 by the top pressure to the right of retainer 63 so that it is right
The check lever 633 at end and the detent fit of non-return teeth portion 55, complete to unlock when tapered end 54 is kept completely separate with locked groove part 41, unclamp solution
Lock control handle 732 will need maintenance drawer part 4 to extract out, while solving stretching action of the lock slide 73 by extension spring 72
Power returns to initial position, and only need to promote drawer part 4 into cabinet 1 after the completion of staff overhauls makes drawer part 4 with being connected
Limited block on plate 42 connects, and now resets lock handle 632 so that check lever 633 takes off with non-return teeth portion 55 by operating to the left
From now causing inclined plane slide block portion 56 from new insertion second the downward top pressure of locking bar 5 by the active force of the first top pressure spring 33
In connector 32, while tapered end 54 completes to lock with locked groove part 41.Also when maintenance or during special circumstances, if drawer part
4 are not pushed into locking, now only need to drawer part 4 being pushed into, and are slidably matched by locked groove part 41 and tapered end 54 by the jack-up of tapered end 54,
The top pressure of tapered end 54 is entered to complete in locked groove part 41 to lock finally by the active force of the second top pressure spring 53, without from new unblock and
Lock.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of fixable electric power drawer-type switch cabinet, it is characterised in that：The first cavity is provided with including inside（3）It is empty with second
Chamber（2）Cabinet（1）, second cavity（2）The interior connection for being set provided with multigroup equi-spaced apart and limited block being provided with left end
Plate（42）, the connecting plate（42）Upper surface is sliding drawer part（4）, the drawer part（4）Left side is installed with locked groove part
（41）, first cavity（3）Inside it is provided with the first connector（31）With the second connector（32）, first connector（31）With
Second connector（32）Between provided with the locking bar that is slidably connected（5）, the locking bar（5）First connector is stretched at top（31）
Interior and end is fixed with the first top pressure spring（33）, the locking bar（5）Right side sets groove provided with multigroup equi-spaced apart
（51）, the groove（51）Inside it is provided with the second top pressure spring（53）, slide bar（52）And tapered end（54）, the locking bar（5）In left side
Between non-return teeth portion is provided with position（55）, the locking bar（5）Second connector is inserted in bottom（32）Interior and described locking bar（5）
Bottom is provided with inclined plane slide block portion（56）, second connector（32）A connection second connector is offered in left side wall
（32）Internal opening, the relative cabinet with the opening（1）In left side wall chamber is slided provided with first（7）, described first slides
Chamber（7）Inside it is provided with the first chute（71）, extension spring（72）Conciliate lock slide（73）, the solution lock slide（73）Both sides are equal up and down
Provided with the first convex sliding block（731）, the first convex sliding block（731）It is embedded in first chute（71）It is interior and be slidably connected, it is described
Solve lock slide（73）Left end and the extension spring（72）It is fixedly connected, the extension spring（72）Left end and first chute
（71）Interior madial wall is fixedly connected, the solution lock slide（73）Right-hand member is provided with and the inclined plane slide block portion（56）It is slidably matched
Unlock sliding surface portion（733）, the solution lock slide（73）Front end face is provided with unblock joystick（732）, described first slides chamber（7）On
The cabinet of side（1）Inside it is provided with the second cunning chamber（6）, described second slides chamber（6）Inside it is provided with the second chute（61）, the 3rd top pressure bullet
Spring（62）And retainer（63）, the retainer（63）Both sides are equipped with the second convex sliding block up and down（631）, the second convex cunning
Block（631）It is embedded in second chute（61）It is interior and be slidably connected, the retainer（63）Left end and the 3rd top pressure spring
（62）It is fixedly connected, the retainer（（63）Right-hand member is provided with and the non-return teeth portion（55）The check lever abutted against（633）, institute
State retainer（63）Front end face is provided with reset lock handle（632）, the cabinet（1）Left surface is provided with mounting groove（9）, it is described
Mounting groove（9）Upper side slidably connects steady pin（91）, the mounting groove（9）Corresponding installation wall（11）On be provided with peace
Fill block（12）, the mounting blocks（12）Inside it is provided with the lock chamber of up/down perforation（13）, the lock chamber（13）Size it is bigger
In the steady pin（91）.
2. electric power drawer-type switch cabinet according to claim 1, it is characterised in that：First connector（31）Top with
The cabinet（1）Inner top is fixedly connected and the second connector（32）Bottom and the cabinet（1）Inner bottom wall is fixedly connected.
3. electric power drawer-type switch cabinet according to claim 1, it is characterised in that：The slide bar（52）Through the tapered end
（54）Sliding connection and two ends and the groove（51）The inwall of both sides is fixedly connected, second top pressure spring（53）Ring
Around being arranged on the tapered end（54）The slide bar of upper surface（52）On, the tapered end（54）Right side and the locked groove part（41）Phase
To setting.
4. electric power drawer-type switch cabinet according to claim 1, it is characterised in that：The solution lock slide（73）The institute of right-hand member
State unblock sliding surface portion（733）Through the cabinet（1）And stretch into the opening.
5. electric power drawer-type switch cabinet according to claim 1, it is characterised in that：The cabinet（1）On front end face outer wall
Chamber is slided with corresponding described first（7）Chamber is slided with described second（6）Place is provided with the first hollow groove（11）With the second hollow groove
（12）, first hollow groove（11）Chamber is slided with described first（7）Be connected setting, second hollow groove（12）With described
Two slide chamber（6）Be connected setting, the unblock joystick（732）Through the first hollow groove（11）And it is protruding, it is described multiple
Position lock handle（632））Through the second hollow groove（12）And it is protruding.
6. electric power drawer-type switch cabinet according to claim 1, it is characterised in that：The non-return teeth portion（55）With check lever
（633）It is upwards sliding connection, is connected for stop downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130387.8A CN107069519B (en) | 2016-12-09 | 2016-12-09 | A kind of fixable electric power drawer-type switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611130387.8A CN107069519B (en) | 2016-12-09 | 2016-12-09 | A kind of fixable electric power drawer-type switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107069519A true CN107069519A (en) | 2017-08-18 |
| CN107069519B CN107069519B (en) | 2019-01-18 |
Family
ID=59618832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611130387.8A Active CN107069519B (en) | 2016-12-09 | 2016-12-09 | A kind of fixable electric power drawer-type switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107069519B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107687468A (en) * | 2017-08-31 | 2018-02-13 | 舒城县红叶五金塑料制品有限公司 | Detent mechanism and infanette |
| CN108185864A (en) * | 2017-08-25 | 2018-06-22 | 佛山市上欧陶瓷卫浴实业有限公司 | A kind of detachable bathroom cup holder |
| CN110139003A (en) * | 2018-05-25 | 2019-08-16 | 深圳信息职业技术学院 | A kind of portable teacher difficult point education informations collector |
| CN113374357A (en) * | 2021-06-11 | 2021-09-10 | 宁波方太厨具有限公司 | Drawer cabinet |
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| JP2005261092A (en) * | 2004-03-12 | 2005-09-22 | Japan Ae Power Systems Corp | Interlock mechanism of switchboard |
| CN203491581U (en) * | 2013-09-13 | 2014-03-19 | 安徽中安恒宇电气传动有限公司 | Draw-out type switch cabinet interlocking device |
| CN203684839U (en) * | 2013-10-28 | 2014-07-02 | 重庆大顺电器有限公司 | Cabinet door multiple interlocking structure for draw-out switch cabinet |
| CN205349014U (en) * | 2016-01-31 | 2016-06-29 | 林国贤 | Interlocking formula drawer group |
-
2016
- 2016-12-09 CN CN201611130387.8A patent/CN107069519B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005261092A (en) * | 2004-03-12 | 2005-09-22 | Japan Ae Power Systems Corp | Interlock mechanism of switchboard |
| CN203491581U (en) * | 2013-09-13 | 2014-03-19 | 安徽中安恒宇电气传动有限公司 | Draw-out type switch cabinet interlocking device |
| CN203684839U (en) * | 2013-10-28 | 2014-07-02 | 重庆大顺电器有限公司 | Cabinet door multiple interlocking structure for draw-out switch cabinet |
| CN205349014U (en) * | 2016-01-31 | 2016-06-29 | 林国贤 | Interlocking formula drawer group |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108185864A (en) * | 2017-08-25 | 2018-06-22 | 佛山市上欧陶瓷卫浴实业有限公司 | A kind of detachable bathroom cup holder |
| CN107687468A (en) * | 2017-08-31 | 2018-02-13 | 舒城县红叶五金塑料制品有限公司 | Detent mechanism and infanette |
| CN107687468B (en) * | 2017-08-31 | 2023-09-15 | 舒城县红叶五金塑料制品有限公司 | Baby crib |
| CN110139003A (en) * | 2018-05-25 | 2019-08-16 | 深圳信息职业技术学院 | A kind of portable teacher difficult point education informations collector |
| CN113374357A (en) * | 2021-06-11 | 2021-09-10 | 宁波方太厨具有限公司 | Drawer cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107069519B (en) | 2019-01-18 |
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Effective date of registration: 20181207 Address after: 221116 No. 8 Kunlun Road, Second Industrial Park, Xuzhou High-tech Industrial Development Zone, Tongshan District, Xuzhou City, Jiangsu Province Applicant after: Xuzhou Xindian Hi-Tech Electric Co., Ltd. Address before: 314416 Ma Yuan 23, Liyuan Village, Yuanhua Town, Haining City, Jiaxing, Zhejiang Applicant before: Zhu Yawei |
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| GR01 | Patent grant |