CN108039304B - A kind of lv contactor convenient for wiring - Google Patents
A kind of lv contactor convenient for wiring Download PDFInfo
- Publication number
- CN108039304B CN108039304B CN201711413162.8A CN201711413162A CN108039304B CN 108039304 B CN108039304 B CN 108039304B CN 201711413162 A CN201711413162 A CN 201711413162A CN 108039304 B CN108039304 B CN 108039304B
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- China
- Prior art keywords
- fixedly connected
- contactor
- block
- riser
- limit
- Prior art date
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- 238000009413 insulation Methods 0.000 claims abstract description 36
- 238000007689 inspection Methods 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 12
- 238000013016 damping Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of lv contactors convenient for wiring, including shell, the back side of inner walls is fixedly connected with fixed plate, the positive midpoint of fixed plate is fixedly connected with contactor main body, connection riser is fixedly connected at the top and bottom of contactor main body, it connects riser front and is fixedly connected with slide bar far from the side of contactor main body, the surface of slide bar slidably connects movable block.The present invention passes through setting slide bar, movable block, push the spring, sliding panel, link block, insulation riser, sliding rail, postive stop baffle, sliding block, limit sleeve, gag lever post, limit plate, limiting slot, limit spring, first gear item, second gear item, support telescopic bar, insulation transverse slat and support spring, lv contactor is set to carry out wiring work convenient for staff, wiring process is simple, it avoids wiring from surprisingly contactor being caused to damage, brings great convenience to the wiring work of staff.
Description
Technical field
The present invention relates to low voltage electrical apparatus technology field, specially a kind of lv contactor convenient for wiring.
Background technique
Contactor be for being frequently switched on the electric appliance with disjunction alternating current-direct current main circuit and large capacity control circuit at a distance,
Its main control object is motor, also can control other electrical loads, such as electric heater, headlamp, electric welding machine, capacitor group
Deng contactor is divided into electromagnetic contactor, pneumatic contactor, brought into hydraulic contact device etc. by the driving method of contact, by electric vacuum technology
With the development of electronic device, there is vacuum contactor and electronic contactor, by operating voltage type can be divided into A.C. contactor and
D.C. contactor, during giving contactor wiring, common lv contactor is not easy to staff and carries out wiring work,
Staff often needs that directly electric wire is connected on lv contactor, and wiring process is comparatively laborious, is also easy to because during wiring
The accident of appearance causes contactor to damage, and brings unnecessary economic loss, to staff wiring work belt greatly not
Just.
Summary of the invention
The purpose of the present invention is to provide a kind of lv contactors convenient for wiring, have the advantages of convenient for wiring, solve
The problem of common lv contactor is not easy to wiring.
To achieve the above object, the invention provides the following technical scheme: a kind of lv contactor convenient for wiring, including shell
Body, the back side of the inner walls are fixedly connected with fixed plate, and the positive midpoint of fixed plate is fixedly connected with contactor
Main body is fixedly connected to connection riser at the top and bottom of the contactor main body, and the connection riser front is far from contact
The side of device main body is fixedly connected with slide bar, and the surface of the slide bar slidably connects movable block, the slide bar surface and is located at
Position between connection riser and movable block is socketed with push the spring, and the rear side of the push the spring is solid with the front side for connecting riser
Fixed connection is fixedly connected on rear side of the front side of the push the spring and movable block, the slide bar surface and before being located at movable block
Slideslip is connected with sliding panel, and the back side of the sliding panel and the front of movable block contact with each other, the sliding panel front and position
Link block is fixedly connected at left and right sides of movable block, the position that the case top and bottom are correspondingly connected with block opens up
There is connector, the connection riser is positive and the position between slide bar and contactor is fixedly connected with insulation riser, described
The front of insulation riser is fixedly connected with sliding rail, and postive stop baffle, the limit are fixedly connected at the top and bottom of the sliding rail
It is fixedly connected on front side of the rear side of position baffle and insulation riser, the surface of the sliding rail slidably connects sliding block, the sliding block
Front is fixedly connected with limit sleeve, and gag lever post is connected on front side of the limit sleeve, and the front of the gag lever post is fixed to be connected
It is connected to limit plate, the position that the insulation riser front corresponds to gag lever post offers limiting slot used in conjunction with, the limit
The rear end of position bar sequentially passes through limit sleeve, sliding block, sliding rail and limiting slot from front to back and extends to the inside of limiting slot, the limit
Position bar surface and the position between limit sleeve and limit plate are socketed with limit spring, and the limit sleeve is by being disposed thereon
Limit spring be fixedly connected with limit plate, the limit sleeve is fixedly connected with first gear far from the side of contactor main body
Item, the sliding panel are fixedly connected with second gear item, the first gear item and the second tooth close to the side of contactor main body
Item intermeshing is taken turns, the limit sleeve is fixedly connected with support telescopic bar, the support telescopic close to the side of contactor main body
Bar is fixedly connected with insulation transverse slat far from the side of limit sleeve, is fixedly connected between two insulation transverse slats by contactor main body,
The surface of the support telescopic bar is socketed with support spring, and the limit sleeve passes through the support spring being disposed thereon and insulation is horizontal
Plate is fixedly connected, and the front of the inner walls offers inspection socket, and the positive and top positioned at inspection socket of the shell is fixed
It is connected with supporting block, support shaft is fixedly connected on the left of the supporting block, the surface activity of the support shaft is connected with
Inspection baffle compatible with inspection socket.
Preferably, the midpoint at the connection riser back side is fixedly connected with insulation limited block, the insulation limited block
It is fixedly connected on front side of rear side and fixed plate.
Preferably, the positive bottom of the shell is fixedly connected with fender, front and the inspection baffle of the fender
The back side contact with each other.
Preferably, the positive bottom of the inspection baffle is fixedly connected with inspection handle, and the inspection handle top is separate
Check that the side of baffle is fixedly connected with reinforcing bar, the reinforcing bar is solid far from the side for checking handle and the front for checking baffle
Fixed connection.
Preferably, damping block is fixedly connected at the top and bottom of the fixed plate, the damping block is far from fixed plate
Side be fixedly connected with the casing.
Preferably, the midpoint of the case top is fixedly connected with mounting knob, the top at the mounting knob back side
It is fixedly connected with reinforcing rod, is fixedly connected at the top of side of the reinforcing rod far from mounting knob and shell.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention passes through setting slide bar, movable block, push the spring, sliding panel, link block, insulation riser, sliding rail, limit
Baffle, sliding block, limit sleeve, gag lever post, limit plate, limiting slot, limit spring, first gear item, second gear item, support telescopic
Bar, insulation transverse slat and support spring, make lv contactor carry out wiring work convenient for staff, wiring process is simple, avoids
Wiring surprisingly causes contactor to damage, and brings great convenience to the wiring work of staff.
2, the present invention prevents connection riser from tilting because of the influence of external force by setting insulation limited block, anti-by being arranged
Fender prevents from checking that sharp impacts occur for baffle and shell, so as to cause inspection baffle damage, checks handle by setting and add
Solid rod facilitates staff to stir inspection baffle, to overhaul to contactor main body, by the way that damping block is arranged, prevents solid
Fixed board generates strenuous vibration because of shell vibrating, so as to cause the damage of contactor main body, by the way that mounting knob and reinforcing rod is arranged,
Staff is facilitated to firmly grasp shell.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of front view of the present invention；
Fig. 2 is the partial enlarged view of A-A in Fig. 1 of the present invention；
Fig. 3 is the cross-sectional view of the structure of left view of the present invention；
Fig. 4 is the partial enlarged view of B-B in Fig. 3 of the present invention.
In figure: 1 shell, 2 fixed plates, 3 contactor main bodys, 4 connection risers, 5 slide bars, 6 movable blocks, 7 push the springs, 8 are slided
Movable plate, 9 link blocks, 10 connectors, 11 insulation risers, 12 sliding rails, 13 postive stop baffles, 14 sliding blocks, 15 limit sleeves, 16 gag lever posts,
18 limiting slots, 19 limit springs, 20 first gear items, 21 second gear items, 22 support telescopic bars, 23 insulation transverse slats, 24 supports
Spring, 26 supporting blocks, 27 support shafts, 28 check that baffle, 30 fenders, 31 check handle, 32 reinforcing bars, 33 damping blocks, 34
Mounting knob, 35 reinforcing rods.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of lv contactor convenient for wiring, including shell 1 are please referred to, the midpoint at 1 top of shell is fixed
It is connected with mounting knob 34, reinforcing rod 35 is fixedly connected at the top of 34 back side of mounting knob, reinforcing rod 35 is far from mounting knob
34 side is fixedly connected with the top of shell 1, by setting mounting knob 34 and reinforcing rod 35, staff is facilitated to firmly grasp shell
Body 1, the back side of 1 inner wall of shell are fixedly connected with fixed plate 2, and the positive midpoint of fixed plate 2 is fixedly connected with contactor main body
3, the top and bottom of fixed plate 2 are fixedly connected to damping block 33, and side of the damping block 33 far from fixed plate 2 and shell 1 are solid
Fixed connection prevents fixed plate 2 from generating strenuous vibration because shell 1 shakes, by the way that damping block 33 is arranged so as to cause contactor master
Body 3 damages, and the top and bottom of contactor main body 3 are fixedly connected to connection riser 4, and the midpoint at connection 4 back side of riser is solid
Surely it is connected with insulation limited block, the rear side for the limited block that insulate is fixedly connected with the front side of fixed plate 2, passes through setting insulation limit
Block prevents connection riser 4 from tilting because of the influence of external force, and 4 front of connection riser is fixedly connected far from the side of contactor main body 3
There is a slide bar 5, the surface of slide bar 5 slidably connects movable block 6,5 surface of slide bar and is located between connection riser 4 and movable block 6
Position is socketed with push the spring 7, and the rear side of push the spring 7 is fixedly connected with the front side for connecting riser 4, the front side of push the spring 7
Be fixedly connected with the rear side of movable block 6,5 surface of slide bar and be located at movable block 6 front side slidably connect sliding panel 8, by setting
Movable block 6 and push the spring 7 are set, the purpose for popping up sliding panel 8, the back side of sliding panel 8 and the positive phase of movable block 6 are played
Mutually contact, 8 front of sliding panel and the left and right sides for being located at movable block 6 are fixedly connected to link block 9,1 top and bottom of shell
The position for being correspondingly connected with block 9 offers connector 10,4 front of connection riser and the position between slide bar 5 and contactor 3
It is fixedly connected with insulation riser 11, the front of insulation riser 11 is fixedly connected with sliding rail 12, and the top and bottom of sliding rail 12 are solid
Surely it is connected with postive stop baffle 13, the rear side of postive stop baffle 13 is fixedly connected with the front side of insulation riser 11, and the surface of sliding rail 12 is sliding
Dynamic to be connected with sliding block 14, the front of sliding block 14 is fixedly connected with limit sleeve 15, by setting sliding rail 12 and sliding block 14, makes limit sleeve
15 can move up and down, and the front side of limit sleeve 15 is connected with gag lever post 16, and the front of gag lever post 16 is fixedly connected with
The position of limit plate, the corresponding gag lever post 16 in 11 front of insulation riser offers limiting slot 18 used in conjunction with, gag lever post 16
Rear end sequentially pass through limit sleeve 15, sliding block 14, sliding rail 12 and limiting slot 18 and the inside for extending to limiting slot 18 from front to back,
By the mutual cooperation of gag lever post 16 and limiting slot 18, play the role of limiting limit sleeve 15,16 surface of gag lever post and is located at
Position between limit sleeve 15 and limit plate is socketed with limit spring 19, and limit sleeve 15 passes through the limit spring 19 being disposed thereon
It is fixedly connected with limit plate, limit sleeve 15 is fixedly connected with first gear item 20, sliding panel 8 far from the side of contactor main body 3
Side close to contactor main body 3 is fixedly connected with second gear item 21, and first gear item 20 is mutually nibbled with second gear item 21
It closes, by setting first gear item 20 and second gear item 21, plays the role of limiting sliding panel 8, make sliding panel 8 will not be into
Row is moved forward and backward, and limit sleeve 15 is fixedly connected with support telescopic bar 22 close to the side of contactor main body 3, and support telescopic bar 22 is remote
Side from limit sleeve 15 is fixedly connected with insulation transverse slat 23, connects between two insulation transverse slats 23 by the way that contactor main body 3 is fixed
It connects, the surface of support telescopic bar 22 is socketed with support spring 24, and limit sleeve 15 passes through the support spring 24 being disposed thereon and absolutely
Edge transverse slat 23 is fixedly connected, and the front of 1 inner wall of shell offers inspection socket, and the positive and top positioned at inspection socket of shell 1 is fixed
It is connected with supporting block 26, the left side of supporting block 26 is fixedly connected with support shaft 27, and the surface activity of support shaft 27 is connected with
Inspection baffle 28 compatible with inspection socket, the positive bottom of shell 1 are fixedly connected with fender 30, the front of fender 30 with
It checks that the back side of baffle 28 contacts with each other, by setting fender 30, prevents from checking that sharp impacts occur for baffle 28 and shell 1,
So as to cause the damage of baffle 28 is checked, checks that the positive bottom of baffle 28 is fixedly connected with and check handle 31, check that handle 31 pushes up
Portion is fixedly connected with reinforcing bar 32 far from the side of inspection baffle 28, and reinforcing bar 32 is far from the side for checking handle 31 and checks gear
The front of plate 28 is fixedly connected, and checks handle 31 and reinforcing bar 32 by setting, is facilitated staff to stir and is checked baffle 28, from
And contactor main body 3 is overhauled, pass through setting slide bar 5, movable block 6, push the spring 7, sliding panel 8, link block 9, insulation
Riser 11, sliding rail 12, postive stop baffle 13, sliding block 14, limit sleeve 15, gag lever post 16, limit plate, limiting slot 18, limit spring 19,
First gear item 20, second gear item 21, support telescopic bar 22, insulation transverse slat 23 and support spring 24, make lv contactor just
Wiring work is carried out in staff, wiring process is simple, avoids wiring from surprisingly contactor being caused to damage, to connecing for staff
Line work brings great convenience.
In use, staff pulls postive stop baffle 13, postive stop baffle 13 drives gag lever post 16 to move forward, works as gag lever post
16 from limiting slot 18 when being detached from, and staff passes through the cooperation of sliding rail 12, postive stop baffle 13 and sliding block 14, drives limit sleeve 15
It moves downward, limit sleeve 15, which moves downward, drives first gear item 20 to move downward, and finally, makes first gear item 20 and the second tooth
Wheel item 21 is mutually disengaged, and later, movable block 6 and push the spring 7 cooperate, and sliding panel 8 is popped up from the front side of slide bar 5, it
Electric wire is inserted into shell 1 by staff from connector 10 afterwards, and connect electric wire with link block 9, and later, staff will be slided
Movable plate 8 is covered again on slide bar 5, and due to the mutual cooperation of support telescopic bar 22 and support spring 24, limit sleeve 15 is rebounded, weight
Second gear item 21 is newly set to restore the limit state to first gear item 20, gag lever post 16 understands the cooperation due to limit spring 19,
Gag lever post 16 is reinserted in limiting slot 18.
In summary: setting slide bar 5, movable block 6, push the spring 7, sliding should be passed through convenient for the lv contactor of wiring
Plate 8, link block 9, insulation riser 11, sliding rail 12, postive stop baffle 13, sliding block 14, limit sleeve 15, gag lever post 16, limit plate, limit
Slot 18, limit spring 19, first gear item 20, second gear item 21, support telescopic bar 22, insulation transverse slat 23 and support spring
24, solve the problems, such as that common lv contactor is not easy to wiring.
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 modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of lv contactor convenient for wiring, including shell (1), it is characterised in that: the back side of shell (1) inner wall is solid
Surely it is connected with fixed plate (2), the positive midpoint of the fixed plate (2) is fixedly connected with contactor main body (3), the contactor
Connection riser (4) is fixedly connected at the top and bottom of main body (3), connection riser (4) front is far from contactor main body
(3) side is fixedly connected with slide bar (5), and the surface of the slide bar (5) slidably connects movable block (6), slide bar (5) table
Face and be located at connection riser (4) and movable block (6) between position be socketed with push the spring (7), after the push the spring (7)
Side is fixedly connected with connecting on front side of riser (4), is fixedly connected on rear side of the front side and movable block (6) of the push the spring (7),
Slide bar (5) surface and be located at movable block (6) on front side of slidably connect sliding panel (8), the back side of the sliding panel (8) with
The front of movable block (6) contacts with each other, and the sliding panel (8) is positive and is fixedly connected at left and right sides of movable block (6)
Have link block (9), the position that block (9) is correspondingly connected at the top and bottom of the shell (1) offers connector (10), the company
It connects riser (4) front and the position between slide bar (5) and contactor (3) is fixedly connected with insulation riser (11), it is described exhausted
The front of edge riser (11) is fixedly connected with sliding rail (12), is fixedly connected to limiting block at the top and bottom of the sliding rail (12)
It is fixedly connected on front side of plate (13), the rear side of the postive stop baffle (13) and insulation riser (11), the surface of the sliding rail (12)
It slidably connects sliding block (14), the front of the sliding block (14) is fixedly connected with limit sleeve (15), before the limit sleeve (15)
Side is connected with gag lever post (16), and the front of the gag lever post (16) is fixedly connected with limit plate, the insulation riser (11)
The position in front corresponding gag lever post (16) offers limiting slot used in conjunction with (18), the rear end of the gag lever post (16) from
Limit sleeve (15), sliding block (14), sliding rail (12) and limiting slot (18) are sequentially passed through front to back and extend to the interior of limiting slot (18)
Portion, gag lever post (16) the surface and position between limit sleeve (15) and limit plate is socketed with limit spring (19), institute
It states limit sleeve (15) to be fixedly connected by the limit spring (19) being disposed thereon with limit plate, the limit sleeve (15) is separate to be connect
The side of tentaculum main body (3) is fixedly connected with first gear item (20), and the one of the sliding panel (8) close contactor main body (3)
Side is fixedly connected with second gear item (21), and the first gear item (20) and second gear item (21) are intermeshed, the limit
Position set (15) is fixedly connected with support telescopic bar (22) close to the side of contactor main body (3), and the support telescopic bar (22) is remote
Side from limit sleeve (15) is fixedly connected with insulation transverse slat (23), passes through contactor main body between two insulation transverse slats (23)
(3) it is fixedly connected, the surface of the support telescopic bar (22) is socketed with support spring (24), and the limit sleeve (15) passes through setting
Support spring (24) on it is fixedly connected with insulation transverse slat (23), and the front of shell (1) inner wall offers inspection socket,
The shell (1) is positive and is fixedly connected with supporting block (26) above inspection socket, and the left side of the supporting block (26) is solid
Surely it is connected with support shaft (27), the surface activity of support shaft (27) is connected with inspection baffle compatible with inspection socket
(28)。
2. a kind of lv contactor convenient for wiring according to claim 1, it is characterised in that: the connection riser (4)
The midpoint at the back side is fixedly connected with insulation limited block, the fixed company in front side of the rear side and fixed plate (2) of the insulation limited block
It connects.
3. a kind of lv contactor convenient for wiring according to claim 1, it is characterised in that: shell (1) front
Bottom be fixedly connected with fender (30), the fender (30) front with inspection baffle (28) the back side contact with each other.
4. a kind of lv contactor convenient for wiring according to claim 1, it is characterised in that: the inspection baffle (28)
Positive bottom, which is fixedly connected with, checks handle (31), and the side checked far from inspection baffle (28) at the top of handle (31) is solid
Surely it is connected with reinforcing bar (32), the reinforcing bar (32) is solid far from the side for checking handle (31) and the front for checking baffle (28)
Fixed connection.
5. a kind of lv contactor convenient for wiring according to claim 1, it is characterised in that: the fixed plate (2)
Top and bottom are fixedly connected to damping block (33), and side and shell (1) of the damping block (33) far from fixed plate (2) are solid
Fixed connection.
6. a kind of lv contactor convenient for wiring according to claim 1, it is characterised in that: at the top of the shell (1)
Midpoint be fixedly connected with mounting knob (34), be fixedly connected with reinforcing rod at the top of mounting knob (34) back side
(35), it is fixedly connected at the top of the side and shell (1) of the reinforcing rod (35) separate mounting knob (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711413162.8A CN108039304B (en) | 2017-12-24 | 2017-12-24 | A kind of lv contactor convenient for wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711413162.8A CN108039304B (en) | 2017-12-24 | 2017-12-24 | A kind of lv contactor convenient for wiring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108039304A CN108039304A (en) | 2018-05-15 |
| CN108039304B true CN108039304B (en) | 2019-06-28 |
Family
ID=62100980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711413162.8A Active CN108039304B (en) | 2017-12-24 | 2017-12-24 | A kind of lv contactor convenient for wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108039304B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101381419B1 (en) * | 2012-06-20 | 2014-04-04 | 탑인더스트리(주) | Distribution board having earth-quake-proof function |
| CN203553652U (en) * | 2013-10-21 | 2014-04-16 | 江苏凯欣电气设备有限公司 | Stainless-steel distribution box |
| CN204390935U (en) * | 2015-02-25 | 2015-06-10 | 陕西理工学院 | A kind of domestic safety switch |
| CN204857588U (en) * | 2015-07-22 | 2015-12-09 | 浙江天正电气股份有限公司 | Contactor base |
-
2017
- 2017-12-24 CN CN201711413162.8A patent/CN108039304B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108039304A (en) | 2018-05-15 |
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Effective date of registration: 20201203 Address after: 402460 station 13, No.7, 10th floor, innovation and development center, No.19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing tongyushi Technology Co.,Ltd. Address before: 325604 Zhejiang province Wenzhou city Yueqing city Liushi town Jia Dong Village Patentee before: YUEQING CHILIN ELECTRIC Co.,Ltd. |
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Effective date of registration: 20231102 Address after: Room B1-2006, Building 3, No. 20 Yongan Road, Shilong Economic Development Zone, Mentougou District, Beijing 102300 Patentee after: Beijing Diandi Intelligent Technology Co.,Ltd. Address before: 402460 station 13, 10 / F, innovation and development center, 19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee before: Chongqing tongyushi Technology Co.,Ltd. |