CN209052260U - A kind of controlling device of grating controlling elevator door opening-closing - Google Patents

A kind of controlling device of grating controlling elevator door opening-closing Download PDF

Info

Publication number
CN209052260U
CN209052260U CN201821867642.1U CN201821867642U CN209052260U CN 209052260 U CN209052260 U CN 209052260U CN 201821867642 U CN201821867642 U CN 201821867642U CN 209052260 U CN209052260 U CN 209052260U
Authority
CN
China
Prior art keywords
grating
module
bolt
cabinet
elevator door
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
Application number
CN201821867642.1U
Other languages
Chinese (zh)
Inventor
葛晓东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Deao Elevator Co Ltd
Original Assignee
Suzhou Deao Elevator Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Deao Elevator Co Ltd filed Critical Suzhou Deao Elevator Co Ltd
Priority to CN201821867642.1U priority Critical patent/CN209052260U/en
Application granted granted Critical
Publication of CN209052260U publication Critical patent/CN209052260U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Elevator Door Apparatuses (AREA)

Abstract

The utility model discloses a kind of controlling device of grating for controlling elevator door opening-closing, including cabinet, Buffer Unit, sliding rail, sliding block, grating control cabinet, flabellum, lantern ring, transmission shaft, transmission case, driving motor, mounting plate, main power supply, driving plate, fixed frame, yielding rubber, display screen, fixed pin, run indicator, cover board, heat sink, sliding slot, connecting plate, limited block, mounting-positioning holes, grating infrared transceiver, charging hole, switch, Data access module, data processing module, data storage module, security module, drive module, communication module and baffle, the two sides of the cabinet pass through bolt and are equipped with cover board, the side of the cover board is equipped with heat sink, the interior side of the cabinet is equipped with fixed frame by bolt, the controlling device of grating, compact, it is easy for installation, when in use, tool There is good shock resistance effect to improve the safety of use meanwhile, it is capable to effectively distribute heat.

Description

A kind of controlling device of grating controlling elevator door opening-closing
Technical field
The utility model relates to gratings to control equipment technical field, specially a kind of grating control for controlling elevator door opening-closing Device.
Background technique
In recent years, after being built out with more and more skyscrapers, it will usually be installed additional in the inside of skyscraper Elevator carries out internal commuting;In the use process of elevator, it will usually need to control elevator door using controlling device of grating Opening and closing;Controlling device of grating in the prior art, structure is complicated, has a single function, and installation is inconvenient, due to being mounted in elevator Portion will appear biggish vibration when moving up and down with elevator, so that controlling device of grating is impacted, seriously affect grating control The service life of device processed, meanwhile, controlling device of grating work timing is longer, amount of heat can be generated after long-time use, such as Fruit is radiated not in time, can be had to the normal operation of equipment and be had a certain impact, therefore, design a kind of control elevator door opening-closing Controlling device of grating be necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of control elevator door opening-closing Controlling device of grating, including cabinet, Buffer Unit, sliding rail, sliding block, grating control cabinet, flabellum, lantern ring, transmission shaft, transmission case, Driving motor, mounting plate, main power supply, driving plate, fixed frame, yielding rubber, display screen, fixed pin, run indicator, lid Plate, heat sink, sliding slot, connecting plate, limited block, mounting-positioning holes, grating infrared transceiver, charging hole, switch, data access mould Block, data processing module, data storage module, security module, drive module, communication module and baffle, the two sides of the cabinet Cover board is equipped with by bolt, the side of the cover board is equipped with heat sink, and the interior side of the cabinet is pacified by bolt Equipped with fixed frame, the inside of the fixed frame is equipped with display screen, and yielding rubber, institute are filled between display screen and fixed frame The inner wall two sides for stating cabinet pass through bolt and are equipped with sliding rail, and the side of the sliding rail is fitted with sliding block, and sliding block passes through Bolt is mounted on the two sides of grating control cabinet, and the both ends of the grating control cabinet are provided with Buffer Unit, the Buffer Unit Including buffing pad, compression bar, damping spring and spring groove, the buffing pad is connect by bolt with grating control cabinet, the buffering The top of seat is provided with compression bar, and the inside of the buffing pad offers spring groove, damping bullet is fixedly installed in the spring groove Spring, and the top of damping spring is connect with compression bar, the inner wall two sides center of the grating control cabinet passes through bolt and is equipped with biography The inside of dynamic case, the transmission case is equipped with driving motor by bolt, and the outside of the driving motor is installed by shaft coupling There is transmission shaft, and be provided with flabellum on the outside of transmission shaft, the inside top of the grating control cabinet is equipped with active and standby by bolt The inside bottom of power supply, the grating control cabinet is equipped with mounting plate by bolt, and the top of mounting plate is installed by bolt There is driving plate, Data access module, data processing module, data storage module, safe mould are respectively arranged in the driving plate One end of block, drive module and communication module, the cabinet is equipped with grating infrared transceiver by bolt, and the grating is infrared Charging hole is offered on the outside of transceiver, and switch, the top side peace of the switch are fixedly installed on the outside of the charging hole Equipped with run indicator, the two sides of the bottom of the cabinet offer sliding slot, and connecting plate is provided in sliding slot.
According to the above technical scheme, the side of the cover board opens up fluted, and heat sink is connect by screw with groove.
According to the above technical scheme, the two sides of the fixed frame offer pin hole, and fixation is fitted in pin hole Pin, the fixed pin pass through yielding rubber and connect with display screen.
According to the above technical scheme, the inner wall of the cabinet passes through bolt and is equipped with baffle.
According to the above technical scheme, the two sides of the grating control cabinet offer heat release hole.
According to the above technical scheme, the outside of the transmission shaft is socketed with several lantern rings by connecting key, and lantern ring Outside is equipped with flabellum by bolt.
According to the above technical scheme, the two sides of the sliding slot are fixedly installed with limited block, and connecting plate is connect with limited block.
According to the above technical scheme, the center of top of the connecting plate offers mounting-positioning holes.
According to the above technical scheme, the Data access module is connected by signal and data processing module, the data Processing module is connect with data storage module, security module, drive module and communication module respectively by signal, the safe mould Block is connect by signal with drive module, and the grating infrared transceiver is connect with Data access module, the drive module and Elevator door connection.
Compared with prior art, the utility model beneficial effect achieved is:
1. the controlling device of grating of the control elevator door opening-closing, compact can by the mounting-positioning holes of connecting plate Facilitate and the device is installed;
2. security module acquires the data of data processing module, and in time feeds back dangerous information to drive module, thus Stop driving, can effectively control elevator door and be opened and closed, by adding security module, the safety used can be effectively improved Property;
3. after long-time use, driving plate generates amount of heat, the driving motor work inside transmission case drives transmission shaft So that lantern ring and flabellum are rotated, the heat inside grating control cabinet is passed through to the heat dissipation of cover board side again through heat release hole Plate is dispersed into the external world, plays the function of cooling and heat dissipation;
4. operation pauses above and below elevator, cabinet can be caused to impact, when impact is transmitted to fixed frame, by slow Can effectively vibration be alleviated by rushing rubber, avoided vibration from damaging display screen, fixed display screen by fixed pin, improve The stability of display screen, Buffer Unit can effectively absorb part vibration, and compression bar stress is slided in buffing pad, squeeze bullet Damping spring in spring slot, meanwhile, grating control cabinet is moved on the slide rail by sliding block, can effectively be alleviated vibration, be improved Shock resistance effect.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the schematic diagram of internal structure of the cabinet of the utility model;
Fig. 3 is the structural schematic diagram of the Buffer Unit of the utility model;
Fig. 4 is the structural schematic diagram of the transmission case of the utility model;
Fig. 5 is the structural schematic diagram of the driving plate of the utility model;
Fig. 6 is the scheme of installation of the display screen of the utility model;
Fig. 7 is the structural schematic diagram of the cover board of the utility model;
Fig. 8 is the work flow diagram of the utility model;
In figure: 1, cabinet;2, Buffer Unit;3, buffing pad;4, compression bar;5, damping spring;6, spring groove;7, sliding rail;8, Sliding block;9, grating control cabinet;10, flabellum;11, lantern ring;12, transmission shaft;13, transmission case;14, driving motor;15, mounting plate; 16, main power supply;17, driving plate;18, fixed frame;19, yielding rubber;20, display screen;21, fixed pin;22, operation instruction Lamp;23, cover board;24, heat sink;25, sliding slot;26, connecting plate;27, limited block;28, mounting-positioning holes;29, the infrared receipts of grating Send out device;30, charging hole;31, it switchs;32, Data access module;33, data processing module;34, data storage module;35, pacify Full module;36, drive module;37, communication module;38, baffle.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent;In order to which this reality is better described With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product;To ability For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;It is practical at this In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Fig. 1-8 is please referred to, the utility model provides a kind of technical solution: a kind of grating control dress controlling elevator door opening-closing It sets, including cabinet 1, Buffer Unit 2, sliding rail 7, sliding block 8, grating control cabinet 9, flabellum 10, lantern ring 11, transmission shaft 12, transmission case 13, driving motor 14, mounting plate 15, main power supply 16, driving plate 17, fixed frame 18, yielding rubber 19, display screen 20, fixation Pin 21, run indicator 22, cover board 23, heat sink 24, sliding slot 25, connecting plate 26, limited block 27, mounting-positioning holes 28, grating Infrared transceiver 29, charging hole 30, switch 31, Data access module 32, data processing module 33, data storage module 34, peace Full module 35, drive module 36, communication module 37 and baffle 38.
The two sides of cabinet 1 pass through bolt and are equipped with cover board 23, and the side of cover board 23 is equipped with heat sink 24, cover board 23 Side opens up fluted, and heat sink 24 is connect by screw with groove, and the interior side of cabinet 1 is equipped with fixation by bolt Frame 18, the inside of fixed frame 18 are equipped with display screen 20, and yielding rubber 19 is filled between display screen 20 and fixed frame 18, Gu The two sides for determining frame 18 offer pin hole, and fixed pin 21 is fitted in pin hole, fixed pin 21 pass through yielding rubber 19 with Display screen 20 connects, and the inner wall of cabinet 1 passes through bolt and is equipped with baffle 38, and the inner wall two sides of cabinet 1 are installed by bolt There is sliding rail 7, the side of sliding rail 7 is fitted with sliding block 8, and sliding block 8 is mounted on the two sides of grating control cabinet 9, light by bolt The two sides of gate control case 9 offer heat release hole.
The both ends of grating control cabinet 9 are provided with Buffer Unit 2, and Buffer Unit 2 includes buffing pad 3, compression bar 4, damping bullet Spring 5 and spring groove 6, buffing pad 3 are connect by bolt with grating control cabinet 9, and the top of buffing pad 3 is provided with compression bar 4, buffing pad 3 inside offers spring groove 6, damping spring 5 is fixedly installed in spring groove 6, and the top of damping spring 5 and compression bar 4 connect It connects, the inner wall two sides center of grating control cabinet 9 passes through bolt and is equipped with transmission case 13, and the inside of transmission case 13 is pacified by bolt Equipped with driving motor 14, the outside of driving motor 14 is equipped with transmission shaft 12, and the outside setting of transmission shaft 12 by shaft coupling There is flabellum 10, the outside of transmission shaft 12 is socketed with several lantern rings 11 by connecting key, and the outside of lantern ring 11 is pacified by bolt Equipped with flabellum 10, the inside top of grating control cabinet 9 is equipped with main power supply 16, the inside bottom of grating control cabinet 9 by bolt Portion is equipped with mounting plate 15 by bolt, and the top of mounting plate 15 is equipped with driving plate 17 by bolt, divides in driving plate 17 It is not provided with Data access module 32, data processing module 33, data storage module 34, security module 35,36 and of drive module Communication module 37, Data access module 32 are connected by signal and data processing module 33, and data processing module 33 passes through signal It is connect respectively with data storage module 34, security module 35, drive module 36 and communication module 37, security module 35 passes through signal It being connect with drive module 36, grating infrared transceiver 29 is connect with Data access module 32, and drive module 36 is connect with elevator door, One end of cabinet 1 is equipped with grating infrared transceiver 29 by bolt, and the outside of grating infrared transceiver 29 offers charging hole 30, the outside of charging hole 30 is fixedly installed with switch 31, and the top side of switch 31 is equipped with run indicator 22, cabinet 1 Two sides of the bottom offer sliding slot 25, and connecting plate 26 is provided in sliding slot 25, and the center of top of connecting plate 26 offers installation Location hole 28, the two sides of sliding slot 25 are fixedly installed with limited block 27, and connecting plate 26 is connect with limited block 27;In use, will be even Fishplate bar 26 is pulled out out of sliding slot 25 by limited block 27, the device is carried out installation fixation by mounting-positioning holes 28, starting is opened 31 are closed, main power supply 16 is device power supply, and run indicator 22 lights, and grating infrared transceiver 29 works, when people or object hinder The infrared ray of light-blocking grid infrared transceiver 29, when so that the infrared receiver of grating infrared transceiver 29 interrupting, in driving plate 17 Data access module 32 by the information data transmission of grating infrared transceiver 29 to data processing module 33, data processing module 33 handle data, and will treated that information is transmitted to data storage module 34 stores, pass through communication module 37 It communicates information to display screen 20 to be shown, while passing data to drive module 36, drive module 36 receives data Driving relevant device is afterwards to control elevator door unlatching, when the infrared ray of grating infrared transceiver 29 normally receives, so that driving Dynamic model block 36 drives elevator door normal switching-off, meanwhile, security module 35 acquires the data of data processing module 33, and in time will danger Dangerous information feedback is to drive module 36, to stop driving;After long-time use, driving plate 17 generates amount of heat, transmission case Driving motor 14 inside 13 works, and drives transmission shaft 12 so that lantern ring 11 and flabellum 10 are rotated, grating is controlled The heat sink 24 that heat inside case 9 passes through 23 side of cover board through heat release hole again is dispersed into the external world, plays the function of cooling and heat dissipation; When operation pauses above and below elevator, cabinet 1 can be caused to impact, when impact is transmitted to fixed frame 18, pass through yielding rubber 19 can effectively alleviate vibration, and vibration is avoided to damage display screen 20, by fixed pin 21 that display screen 20 is fixed, mention The high stability of display screen 20, meanwhile, the Buffer Unit 2 grating control cabinet 9 inside can effectively absorb part and shake, compression bar 4 stress are slided in buffing pad 3, squeeze the damping spring 5 in spring groove 6, meanwhile, grating control cabinet 9 is by sliding block 8 in cunning It moves, can effectively alleviate vibration on rail 7, baffle 38 can be avoided the derailing of sliding block 8;It, can when 16 electricity of main power supply exhausts It is charged by charging hole 30 to main power supply 16.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (9)

1. a kind of controlling device of grating for controlling elevator door opening-closing, including cabinet (1), Buffer Unit (2), sliding rail (7), sliding block (8), grating control cabinet (9), flabellum (10), lantern ring (11), transmission shaft (12), transmission case (13), driving motor (14), mounting plate (15), main power supply (16), driving plate (17), fixed frame (18), yielding rubber (19), display screen (20), fixed pin (21), fortune Row indicator light (22), cover board (23), heat sink (24), sliding slot (25), connecting plate (26), limited block (27), mounting-positioning holes (28), grating infrared transceiver (29), charging hole (30), switch (31), Data access module (32), data processing module (33), data storage module (34), security module (35), drive module (36), communication module (37) and baffle (38), feature Be: the two sides of the cabinet (1) pass through bolt and are equipped with cover board (23), and the side of the cover board (23) is equipped with heat sink (24), the interior side of the cabinet (1) is equipped with fixed frame (18) by bolt, and the inside of the fixed frame (18) is equipped with Display screen (20), and yielding rubber (19) are filled between display screen (20) and fixed frame (18), the inner wall two of the cabinet (1) Side passes through bolt and is equipped with sliding rail (7), and the side of the sliding rail (7) is fitted with sliding block (8), and sliding block (8) passes through spiral shell Bolt is mounted on the two sides of grating control cabinet (9), and the both ends of the grating control cabinet (9) are provided with Buffer Unit (2), described slow Rushing component (2) includes buffing pad (3), compression bar (4), damping spring (5) and spring groove (6), the buffing pad (3) by bolt with Grating control cabinet (9) connects, and is provided with compression bar (4) at the top of the buffing pad (3), the inside of the buffing pad (3) offers Spring groove (6), the spring groove (6) is interior to be fixedly installed with damping spring (5), and the top of damping spring (5) and compression bar (4) are even It connects, the inner wall two sides center of the grating control cabinet (9) passes through bolt and is equipped with transmission case (13), the transmission case (13) Inside is equipped with driving motor (14) by bolt, and the outside of the driving motor (14) is equipped with transmission shaft by shaft coupling (12), it and on the outside of transmission shaft (12) is provided with flabellum (10), the inside top of the grating control cabinet (9) is installed by bolt Have main power supply (16), the inside bottom of the grating control cabinet (9) is equipped with mounting plate (15) by bolt, and mounting plate (15) top is equipped with driving plate (17) by bolt, is respectively arranged with Data access module on the driving plate (17) (32), data processing module (33), data storage module (34), security module (35), drive module (36) and communication module (37), one end of the cabinet (1) is equipped with grating infrared transceiver (29) by bolt, the grating infrared transceiver (29) Outside offer charging hole (30), be fixedly installed with switch (31) on the outside of the charging hole (30), the switch (31) Top side is equipped with run indicator (22), and the two sides of the bottom of the cabinet (1) offer sliding slot (25), and sliding slot (25) Inside it is provided with connecting plate (26).
2. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the cover board (23) side opens up fluted, and heat sink (24) is connect by screw with groove.
3. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the fixation The two sides of frame (18) offer pin hole, and fixed pin (21) are fitted in pin hole, and the fixed pin (21) passes through buffering Rubber (19) is connect with display screen (20).
4. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the cabinet (1) inner wall passes through bolt and is equipped with baffle (38).
5. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the grating The two sides of control cabinet (9) offer heat release hole.
6. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the transmission The outside of axis (12) is socketed with several lantern rings (11) by connecting key, and the outside of lantern ring (11) is equipped with flabellum by bolt (10)。
7. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the sliding slot (25) two sides are fixedly installed with limited block (27), and connecting plate (26) is connect with limited block (27).
8. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the connection The center of top of plate (26) offers mounting-positioning holes (28).
9. a kind of controlling device of grating for controlling elevator door opening-closing according to claim 1, it is characterised in that: the data Access modules (32) by signal and data processing module (33) connect, the data processing module (33) by signal respectively with Data storage module (34), security module (35), drive module (36) and communication module (37) connection, the security module (35) It is connect by signal with drive module (36), the grating infrared transceiver (29) connect with Data access module (32), described Drive module (36) is connect with elevator door.
CN201821867642.1U 2018-11-13 2018-11-13 A kind of controlling device of grating controlling elevator door opening-closing Active CN209052260U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821867642.1U CN209052260U (en) 2018-11-13 2018-11-13 A kind of controlling device of grating controlling elevator door opening-closing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821867642.1U CN209052260U (en) 2018-11-13 2018-11-13 A kind of controlling device of grating controlling elevator door opening-closing

Publications (1)

Publication Number Publication Date
CN209052260U true CN209052260U (en) 2019-07-02

Family

ID=67053201

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821867642.1U Active CN209052260U (en) 2018-11-13 2018-11-13 A kind of controlling device of grating controlling elevator door opening-closing

Country Status (1)

Country Link
CN (1) CN209052260U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109179172A (en) * 2018-11-13 2019-01-11 苏州德奥电梯有限公司 A kind of controlling device of grating controlling elevator door opening-closing
CN114104931A (en) * 2021-10-26 2022-03-01 淮北矿业股份有限公司 Locking method for auxiliary shaft operating car pusher

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109179172A (en) * 2018-11-13 2019-01-11 苏州德奥电梯有限公司 A kind of controlling device of grating controlling elevator door opening-closing
CN114104931A (en) * 2021-10-26 2022-03-01 淮北矿业股份有限公司 Locking method for auxiliary shaft operating car pusher

Similar Documents

Publication Publication Date Title
CN209052260U (en) A kind of controlling device of grating controlling elevator door opening-closing
CN109193374A (en) A kind of outdoor power cabinet based on buffer collision-preventing system
CN109179172A (en) A kind of controlling device of grating controlling elevator door opening-closing
CN210985838U (en) Asynchronous alternating current motor suitable for workshop
CN211481802U (en) Heat dissipation communication equipment cabinet
CN219205058U (en) Energy-saving motor control cabinet
CN215819089U (en) Balanced control panel of new energy automobile group battery
CN215645526U (en) Anti-collision power control electric cabinet
CN214504344U (en) Computer network safety control device
CN209981787U (en) Low-voltage comprehensive power distribution cabinet with damping mechanism
CN216057288U (en) High-performance transmission double-optical-fiber backup HDMI optical transceiver
CN112928670A (en) Floating damping electrical cabinet for electronic information engineering
CN220915555U (en) LED driving power supply with protection function
CN207796732U (en) A kind of Intelligent lamp with safety protection function
CN220858654U (en) Safety protection device for building electrical construction
CN219497060U (en) Data management device with protection monitoring mechanism
CN215187826U (en) Embedded mobile internet device
CN211149353U (en) Computer host power supply shell with anti-seismic function
CN219318163U (en) Intelligent street lamp control module auxiliary fixing mechanism
CN219318312U (en) LED lamp circuit board with shockproof function
CN218585895U (en) Circuit breaker with multilayer protective structure
CN212659019U (en) Case is placed to city intelligent management system's special hard disk of control computer lab
CN217849485U (en) Mobile phone motherboard with external protection structure
CN219961132U (en) Elastic buffer impact-resistant motor controller
CN213521653U (en) Low-loss power adapter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant