CN110086109A - A kind of intelligence medium voltage switchgear equipment - Google Patents

A kind of intelligence medium voltage switchgear equipment Download PDF

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Publication number
CN110086109A
CN110086109A CN201910484315.0A CN201910484315A CN110086109A CN 110086109 A CN110086109 A CN 110086109A CN 201910484315 A CN201910484315 A CN 201910484315A CN 110086109 A CN110086109 A CN 110086109A
Authority
CN
China
Prior art keywords
block
door
bevel gear
chamber
working chamber
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
Application number
CN201910484315.0A
Other languages
Chinese (zh)
Other versions
CN110086109B (en
Inventor
不公告发明人
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.)
HUAXIA TRANSMISSION AND DISTRIBUTION EQUIPMENT Co.,Ltd.
Original Assignee
Shenzhen City Hui Da Mechanical Design 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 Shenzhen City Hui Da Mechanical Design Co Ltd filed Critical Shenzhen City Hui Da Mechanical Design Co Ltd
Priority to CN201910484315.0A priority Critical patent/CN110086109B/en
Publication of CN110086109A publication Critical patent/CN110086109A/en
Application granted granted Critical
Publication of CN110086109B publication Critical patent/CN110086109B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/14Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E05B63/146Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other locks with two or more bolts, each bolt itself being a tumbler
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/02Locks or fastenings for special use for thin, hollow, or thin-metal wings
    • E05B65/025Locks or fastenings for special use for thin, hollow, or thin-metal wings for lockers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structural Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

It the invention discloses a kind of intelligent medium voltage switchgear equipment, including switchgear and working chamber, is set in the working chamber lower end wall there are four mobile cavity, the mobile cavity is interior to be equipped with two pieces of movable blocks, is equipped with six pieces of support plates in the working chamber;It in present invention work, by the control to motor, electromagnet and magnetic board, realizes that the diversification for opening the door device with support rod moves, improves plant automation intelligence degree, convenient staff improves work efficiency the mechanical operation in device.

Description

A kind of intelligence medium voltage switchgear equipment
Technical field
The present invention relates to switchgear field, specially a kind of intelligent medium voltage switchgear equipment.
Background technique
Switchgear at this stage, in order to adapt to the size of internal machine, most overall volume is little, but internal machine arrives There is a certain distance on doorway, and cabinet body is small, in staff's operation, how much will cause certain inconvenience, influences working efficiency, and Some switchgears are that one side is opened the door, quite inconvenient when staff needs to operate machine rear end.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of intelligent medium voltage switchgear equipment Problem.
To achieve the above object, the invention provides the following technical scheme: it is a kind of intelligence medium voltage switchgear equipment, including switch Cabinet and working chamber are set in the working chamber lower end wall there are four mobile cavity, are equipped with two pieces of movable blocks in the mobile cavity, described Six pieces of support plates are equipped in working chamber, the movable block upper end is equipped with upper end through the support plate and supports the support plate Support rod, the post upper are set there are six support slot, and the support plate is interior to be equipped with through the support plate and be located at described Bolt in support slot, the working chamber lower end wall is interior to be equipped with push chamber, and drive cavity is equipped in the push chamber aft bulkhead, described It is equipped in drive cavity aft bulkhead and provides the motor of power for device, the motor front end is equipped with the biography that the push chamber is run through in front end Moving axis, the drive cavity is interior to be equipped with door-opening mechanism, and the door-opening mechanism includes the rotation that two upper ends are located in the working chamber Axis, the rotation axis upper end are equipped with the back door for closing the working chamber, before and after the transmission end wall be rotatably connected to two it is driven Axis, the driven shaft are equipped with first bevel gear and second bevel gear, and the rotation axis lower end is equipped with and the second bevel gear The third hand tap gear of transmission is connected, the drive cavity lower end wall sets the sliding groove there are two opening upwards, sets in the drive cavity There are two rotary shafts, support the sliding shoe of the rotary shaft in the sliding groove equipped with upper end, the sliding groove aft bulkhead is equipped with It can make the sliding spring of the sliding block reset, the rotary shaft is equipped with the 4th bevel gear and the 5th bevel gear, described Pushing mechanism is equipped in push chamber, the pushing mechanism includes the pushing block connecting with the transmission shaft spiral, the pushing block It inside sets there are two slot is ejected, Slave Block is equipped in intermediate two mobile cavities, is equipped with driven slot, the top in the Slave Block It is equipped with one end in slot out and is located at the trapezoid block in the driven slot, the trapezoidal block reset can be made by being additionally provided in the ejection slot Ejector spring, driven slot side end wall are equipped with electromagnet, are equipped with accommodating groove, one side of electromagnet in the trapezoid block Face is equipped with one end and is located at the fixed link in the accommodating groove, and sliding has the sliding contacted with the trapezoid block in the fixed link Plate, described electromagnet one end are equipped with the electromagnetic spring for driving sliding panel movement, effect be by the door-opening mechanism from It is dynamic to open the door, it is moved by the selectable promotion movable block of the pushing mechanism.
Preferably, the door-opening mechanism includes the 6th bevel gear, it is equipped in the drive cavity and is contacted with the sliding shoe Movable plate, movable block rear end described in two sides is equipped with the mobile bar that can make the movable plate movement, and the push chamber front bulkhead is set There is the translation chamber of connection free surrounding space and the push chamber, the translation chamber lower end wall is equipped with fixed block, and the translation is intracavitary to be set There is the translation shaft supported by the fixed block, is equipped with two pieces of one end in the working chamber and is located at the front door in free surrounding space, it is described Threaded engagement has the translational block connecting with the front door on translation shaft, and free surrounding space is equipped with the described front door one end of connection and puts down with described The closed plate of block one end is moved, the translation shaft is equipped with the 7th bevel gear, and the transmission shaft front end key connection has the 8th bevel gear And magnetic board is also slidably connected, the fixed block rear end face is fixed, and there are two the flexible bullets contacted with the bottom plate bevel gear Spring, effect is to open the front door and the back door as needed.
Preferably, the pushing mechanism further includes two rollers, intermediate two mobile cavity side end walls rotation connects Be connected to the drum shaft connecting with the roller by torsionspring, be wound on the roller one end through the Slave Block and with The rope of the movable block connection, effect is to drive the movable block movement, so that the support rod be driven to move.
In conclusion it is convenient to operate the medicine have the advantages that present apparatus structure is simple, by motor, electromagnet with The control of magnetic board realizes that the diversification for opening the door device with support rod moves, improves plant automation intelligence degree, just Prompt staff improves work efficiency the mechanical operation in device.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings;Below with reference to Fig. 1-6, the present invention is described in detail, wherein for sake of convenience, now right Hereafter described orientation provides as follows: the projection relation of front-rear direction and Fig. 1 itself up and down described in hereafter is up and down Front-rear direction is consistent.
Fig. 1 is the schematic view of the front view of the intelligent medium voltage switchgear equipment entirety complete section of the present invention;
Fig. 2 is the vertical view enlarged structure schematic diagram of the intelligent medium voltage switchgear equipment entirety complete section of the present invention;
Fig. 3 is the main view enlarged structure schematic diagram of the intelligent medium voltage switchgear equipment door-opening mechanism partial cutaway of the present invention;
Fig. 4 is the main view enlarged structure schematic diagram of the intelligent medium voltage switchgear equipment door-opening mechanism partial cutaway of the present invention;
Fig. 5 is the vertical view enlarged structure schematic diagram of the intelligent medium voltage switchgear equipment pushing mechanism partial cutaway of the present invention;
Fig. 6 is the vertical view enlarged structure schematic diagram of the intelligent medium voltage switchgear equipment door-opening mechanism partial cutaway of the present invention.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.
Fig. 1-6 is please referred to, a kind of embodiment provided by the invention: a kind of intelligence medium voltage switchgear equipment, including switchgear 1 And working chamber 2, it sets in 2 lower end wall of working chamber there are four mobile cavity 8, is equipped with two pieces of movable blocks 7 in the mobile cavity 8, Six pieces of support plates 6 are equipped in the working chamber 2,7 upper end of movable block is equipped with upper end through described in the support plate 6 and support The support rod 3 of support plate 6,3 upper end of support rod are set there are six support slot 4, and interior be equipped with of support plate 6 runs through the support Plate 6 and the bolt 5 being located in the support slot 4,2 lower end wall of working chamber is interior to be equipped with push chamber 9,9 rear end of push chamber It is equipped with drive cavity 13 in wall, is equipped in 13 aft bulkhead of drive cavity and provides the motor 24 of power for device, before the motor 24 End is equipped with the transmission shaft 11 that the push chamber 9 is run through in front end, is equipped with door-opening mechanism 55, the door-opening mechanism in the drive cavity 13 55 include that two upper ends are located at the rotation axis 15 in the working chamber 2, and 15 upper end of rotation axis, which is equipped with, closes the working chamber 2 Back door 39,13 aft bulkheads are rotatably connected to two driven shafts 18 before the transmission, and the driven shaft 18 is equipped with the first cone tooth Wheel 17 and second bevel gear 16,15 lower end of rotation axis are equipped with the third hand tap gear that transmission is connect with the second bevel gear 16 14,13 lower end wall of drive cavity sets the sliding groove 27 there are two opening upwards, is equipped with two rotary shafts in the drive cavity 13 20, the interior sliding shoe 25 that the rotary shaft 20 is supported equipped with upper end of the sliding groove 27,27 aft bulkhead of sliding groove is equipped with can The sliding spring 26 for resetting the sliding shoe 25, the rotary shaft 20 are equipped with the 4th bevel gear 19 and the 5th bevel gear 22, the push chamber 9 is interior to be equipped with pushing mechanism 54, and the pushing mechanism 54 includes the promotion connecting with 11 spiral of transmission shaft Block 33 is set in the pushing block 33 there are two slot 47 is ejected, and is equipped with Slave Block 31 in intermediate two mobile cavities 8, it is described from It is equipped with driven slot 50 in motion block 31, is equipped with one end in the ejection slot 47 and is located at the trapezoid block 46 in the driven slot 50, it is described The ejector spring 48 that the trapezoid block 46 can be made to reset is additionally provided in ejection slot 47, the 50 side end wall of driven slot is equipped with electromagnetism Iron 43, the trapezoid block 46 is interior to be equipped with accommodating groove 49, and 43 1 side end face of electromagnet is equipped with one end and is located at the accommodating groove 49 Interior fixed link 34, sliding has the sliding panel 44 contacted with the trapezoid block 46, the electromagnet 43 1 in the fixed link 34 End is equipped with the electromagnetic spring 45 for driving the sliding panel 44 to move, and effect is led to by 55 automatic door opening of door-opening mechanism Cross the movement of the pushing mechanism 54 selectable promotion movable block 7.
Valuably, the door-opening mechanism 55 includes the 6th bevel gear 23, is equipped with and the sliding shoe in the drive cavity 13 The movable plates 21 of 25 contacts, 7 rear end of movable block described in two sides is equipped with the mobile bar 12 that the movable plate 21 can be made to move, described to push away Dynamic 9 front bulkhead of chamber is equipped with the translation chamber 38 of connection free surrounding space and the push chamber 9, and 38 lower end wall of translation chamber, which is equipped with, to be fixed Block 41, the translation chamber 38 is interior to be equipped with the translation shaft 35 supported by the fixed block 41, is equipped with two pieces of one end in the working chamber 2 Front door 40 in free surrounding space, threaded engagement has the translational block 36 connecting with the front door 40 on the translation shaft 35, outside Boundary space is equipped with the closed plate 37 for connecting described 40 one end of front door and described 36 one end of translational block, and the translation shaft 35 is equipped with the Seven bevel gears 42,11 front end of the transmission shaft key connection has the 8th bevel gear 52 and also slidably connects magnetic board 51, described solid Determine 41 rear end face of block to fix there are two the adjustable spring 53 contacted with the bottom plate bevel gear 52, acting on is to open as needed The front door 39 and the back door 40.
Valuably, the pushing mechanism 54 further includes two rollers 28, intermediate two 8 side end wall of mobile cavity rotations It is connected with and passes through the drum shaft 28 that torsionspring 30 is connect with the roller 28, one end is wound on the roller 28 through described Slave Block 31 and the rope 32 connecting with the movable block 7, effect is that the movable block 7 is driven to move, thus described in driving Support rod 3 moves.
In the following, applicant will be with reference to a kind of intelligent medium voltage switchgear equipment of attached drawing 1-6 and the application described above Concrete composition introduce a kind of application method of intelligent medium voltage switchgear equipment of the application in detail:
Position of the support plate 6 on support rod 3 can be changed by mobile bolt 5, need to examine machine front end in support plate 6 It surveys, the work of motor 24 rotates transmission shaft 11 and the 8th bevel gear 52, so that pushing block 33 is travelled forward, makes Slave Block 31, mobile Block 7 travels forward with support rod 3, and torsionspring 30 reverses, and rope 32 elongates, and the 8th bevel gear 52 drives 42 turns of the 7th bevel gear It is dynamic, so that translation shaft 35 be made to rotate, make two pieces of translational blocks 36 that front door 40 and closed plate 37 be driven to move to two sides, thus before opening Door, when machine is located at the most front side of working chamber 2 in support plate 6, magnetic board 52 does not work, and adjustable spring 53 drives the 8th bevel gear 52 movement disengagings are engaged with the 7th bevel gear 42, and translation shaft 35 stops working, the operation convenient for staff to machine front end, By the manipulation to electromagnet 43, realizes 44 side-to-side movement of sliding panel, slide 34 one end of fixed link in accommodating groove 49, thus The connection between Slave Block 31 and pushing block 33 is controlled, thus the movement of selectable control two sides movable block 7 and support rod 3;
Need in support plate 6 when machine back-end operations, motor 24 works, the rotation of transmission shaft 11 drive pushing block 33 with from Motion block 31 moves backward, until torsionspring 30 restores normal condition, Slave Block 31 is detached from movable block 7 but does not connect with roller 28 Touching during the movement of movable block 7 is until stop, moving movable plate 21 and sliding shoe 25 by the movement of mobile bar 12, the Four bevel gears 19 engage with first bevel gear 17, and the 5th bevel gear 22 engages with the 6th bevel gear 23, and motor 24 works, transmission shaft 11 drive the 6th bevel gears 23, the 5th bevel gear 22, rotary shaft 20, the 4th bevel gear 19, first bevel gear 17, rotation axis 14 with The rotation at back door 39 etc., until back door 39 fully opens, Slave Block 31 is contacted with roller 28 at this time, convenient for staff to machine Rear end directly operates, device reverse operation, and under the cooperation of spring, device can reset.
The beneficial effects of the present invention are: present apparatus structure is simple, it is convenient to operate, by motor, electromagnet and magnetic board Control, realize that the diversification for opening the door device with support rod moves, improve plant automation intelligence degree, convenient work Make personnel to the mechanical operation in device, improves work efficiency.
The above, the specific embodiment only invented, but invent protection scope be not limited thereto, it is any without The change or replacement that creative work is expected are crossed, should all be covered within the protection scope of invention.Therefore, the protection scope of invention It should be determined by the scope of protection defined in the claims.

Claims (3)

1. a kind of intelligence medium voltage switchgear equipment, including switchgear and working chamber, it is characterised in that: the working chamber lower end wall It inside sets there are four mobile cavity, the mobile cavity is interior to be equipped with two pieces of movable blocks, is equipped with six pieces of support plates, the shifting in the working chamber Motion block upper end is equipped with upper end through the support rod of the support plate and the support support plate, there are six the post upper is set Support slot, the support plate is interior to be equipped with through the support plate and the bolt in the support slot, the working chamber lower end It is equipped with push chamber in wall, drive cavity is equipped in the push chamber aft bulkhead, is equipped in the drive cavity aft bulkhead and is provided for device The motor of power, the motor front end are equipped with the transmission shaft that the push chamber is run through in front end, are equipped with door lifter in the drive cavity Structure, the door-opening mechanism include the rotation axis that two upper ends are located in the working chamber, and the rotation axis upper end is equipped with closing institute The back door of working chamber is stated, end wall is rotatably connected to two driven shafts before and after the transmission, and the driven shaft is equipped with the first cone tooth Wheel and second bevel gear, the rotation axis lower end are equipped with the third hand tap gear that transmission is connect with the second bevel gear, the biography Dynamic chamber lower end wall sets the sliding groove there are two opening upwards, and two rotary shafts are equipped in the drive cavity, are set in the sliding groove There is upper end to support the sliding shoe of the rotary shaft, the sliding groove aft bulkhead is equipped with the sliding bullet that can make the sliding block reset Spring, the rotary shaft are equipped with the 4th bevel gear and the 5th bevel gear, and pushing mechanism is equipped in the push chamber, described to push away Motivation structure includes the pushing block connecting with the transmission shaft spiral, sets that there are two eject slot, intermediate two institutes in the pushing block It states equipped with Slave Block in mobile cavity, the Slave Block is interior to be equipped with driven slot, and one end is equipped in the ejection slot positioned at described driven Trapezoid block in slot is additionally provided with the ejector spring that can make the trapezoidal block reset, one side of driven slot in the ejection slot Wall is equipped with electromagnet, and accommodating groove is equipped in the trapezoid block, and one side end face of electromagnet is equipped with one end and is located at the accommodating groove Interior fixed link, sliding has sliding panel contact with the trapezoid block in the fixed link, and described electromagnet one end is equipped with drive The electromagnetic spring of sliding panel movement, effect be by the door-opening mechanism automatic door opening, can by the pushing mechanism The promotion movable block of selection moves.
2. a kind of intelligent medium voltage switchgear equipment according to claim 1, it is characterised in that: the door-opening mechanism includes the Six bevel gears, the drive cavity is interior to be equipped with the movable plate contacted with the sliding shoe, and movable block rear end described in two sides, which is equipped with, to be made The mobile bar of the movable plate movement, the push chamber front bulkhead are equipped with the translation chamber of connection free surrounding space and the push chamber, The translation chamber lower end wall is equipped with fixed block, and the translation is intracavitary equipped with the translation shaft supported by the fixed block, the work The intracavitary front door for being equipped with two pieces of one end and being located in free surrounding space, on the translation shaft threaded engagement have connect with the front door it is flat Move block, free surrounding space is equipped with the closed plate for connecting described front door one end and described translational block one end, and the translation shaft is equipped with the Seven bevel gears, the transmission shaft front end key connection have the 8th bevel gear and also slidably connect magnetic board, the fixed block rear end Face is fixed there are two adjustable spring contact with the bottom plate bevel gear, act on be open as needed the front door with it is described Back door.
3. a kind of intelligent medium voltage switchgear equipment according to claim 1, it is characterised in that: the pushing mechanism further includes Two rollers, intermediate two mobile cavity side end walls are rotatably connected to the roller connecting with the roller by torsionspring Axis is wound with one end on the roller through the Slave Block and the rope that connect with the movable block, and effect is drive institute Movable block movement is stated, so that the support rod be driven to move.
CN201910484315.0A 2019-06-05 2019-06-05 Intelligent medium-voltage switch equipment Active CN110086109B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910484315.0A CN110086109B (en) 2019-06-05 2019-06-05 Intelligent medium-voltage switch equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910484315.0A CN110086109B (en) 2019-06-05 2019-06-05 Intelligent medium-voltage switch equipment

Publications (2)

Publication Number Publication Date
CN110086109A true CN110086109A (en) 2019-08-02
CN110086109B CN110086109B (en) 2020-04-24

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ID=67423714

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910484315.0A Active CN110086109B (en) 2019-06-05 2019-06-05 Intelligent medium-voltage switch equipment

Country Status (1)

Country Link
CN (1) CN110086109B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111800963A (en) * 2020-07-10 2020-10-20 邢台职业技术学院 Computer network control box convenient to move

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005314888A (en) * 2004-04-27 2005-11-10 Okamura Corp Door opening operation device of door
CN108952356A (en) * 2018-08-30 2018-12-07 屠建芳 A kind of automation door opener
CN109057613A (en) * 2018-08-21 2018-12-21 慈溪市匡堰盈兴竹制品厂(普通合伙) A kind of automation bilateral open-door device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005314888A (en) * 2004-04-27 2005-11-10 Okamura Corp Door opening operation device of door
CN109057613A (en) * 2018-08-21 2018-12-21 慈溪市匡堰盈兴竹制品厂(普通合伙) A kind of automation bilateral open-door device
CN108952356A (en) * 2018-08-30 2018-12-07 屠建芳 A kind of automation door opener

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111800963A (en) * 2020-07-10 2020-10-20 邢台职业技术学院 Computer network control box convenient to move

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Effective date of registration: 20200330

Address after: 325600 No.222, Weisan Road, Yueqing Economic Development Zone, Wenzhou City, Zhejiang Province

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Applicant before: SHENZHEN XINHUIDA MACHINERY DESIGN Co.,Ltd.

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