CN114709723A - Electric door of low-voltage switch cabinet - Google Patents

Electric door of low-voltage switch cabinet Download PDF

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Publication number
CN114709723A
CN114709723A CN202210321623.3A CN202210321623A CN114709723A CN 114709723 A CN114709723 A CN 114709723A CN 202210321623 A CN202210321623 A CN 202210321623A CN 114709723 A CN114709723 A CN 114709723A
Authority
CN
China
Prior art keywords
door
block
locking
cabinet
rotating arm
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.)
Pending
Application number
CN202210321623.3A
Other languages
Chinese (zh)
Inventor
徐德勤
罗景华
叶发勇
章程
潘荣臻
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.)
Ningbo Tianan Group Co ltd
Original Assignee
Ningbo Tianan Group 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 Ningbo Tianan Group Co ltd filed Critical Ningbo Tianan Group Co ltd
Priority to CN202210321623.3A priority Critical patent/CN114709723A/en
Publication of CN114709723A publication Critical patent/CN114709723A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • 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
    • E05B65/00Locks or fastenings for special use
    • E05B65/02Locks or fastenings for special use for thin, hollow, or thin-metal wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306Accessories, e.g. windows
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32Mounting of devices therein
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/38Hinged covers or doors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00Subject-matter not otherwise provided for in this subclass

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The invention relates to the technical field of low-voltage switch cabinets, and discloses an electric door of a low-voltage switch cabinet, which comprises a cabinet body, a cabinet door which is hinged on the cabinet body and can open or close the cabinet body, an automatic door opening and closing structure arranged between the cabinet body and the cabinet door, and a locking structure arranged between the cabinet body and the cabinet door.

Description

Electric door of low-voltage switch cabinet
Technical Field
The invention relates to the technical field of low-voltage switch cabinets, in particular to an electric door of a low-voltage switch cabinet.
Background
The low-voltage switch cabinet can realize conversion or control to the electric energy, and conventional low-voltage switch cabinet door is all manual, opens the cabinet door when the maintenance after, and the cabinet door produces the collision easily under inertial effect and arouses the damage with the cabinet body, can lead to the cabinet door to kick-back when serious, causes the extrusion to workman's hand easily, has consequently appeared automatic switch door structure.
Chinese patent with application number CN201520362889.8 discloses an automatic advertisement door of district pedestrian passageway, including gatepost and door frame, the door frame passes through the hinge and is connected with the gatepost rotation, is provided with the lock between the door frame other end and another gatepost, and the lock is the electromagnetic lock, and door opener and main control system set up the rear at the door frame, the horn of door opener slides the slider that sets up with the door frame lower extreme and is connected, and the control signal end of main control system is connected with the control signal receiving terminal of door opener and the control signal input of electromagnetic lock respectively.
This automatic switch door structure, control the horn through the door opener and rotate, the horn is on power transmission to the slider in the door frame spout, make the slider be reciprocal linear motion in the door frame, drive the door frame and rotate, realize opening the door or closing the door of door frame, and pin the door frame through control host computer control electromagnetic lock after closing the door and accomplishing, but this automatic switch door structure is for guaranteeing to realize automatic switch's effect, adopt the electromagnetic lock as the locking instrument, in case the outage, the electromagnetic lock became invalid, the locking function to the door frame will disappear, holistic theftproof performance is relatively poor.
Disclosure of Invention
The invention aims to provide an electric door of a low-voltage switch cabinet, which can improve the anti-theft performance of the low-voltage cabinet while ensuring the door of the automatic switch cabinet.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low-voltage switchgear electrically operated gate, the intelligent cabinet temperature adjusting device comprises a cabinet body, the articulated cabinet door that sets up the openable or closable cabinet body on the cabinet body, the automatic switch door structure that sets up between the cabinet body and cabinet door and the locking structure that sets up between the cabinet body and cabinet door, the locking structure includes the installation piece that sets up on the cabinet body, the concave locking groove of establishing of top surface on the installation piece, the fixed block that sets up in installation piece top on the cabinet door, in the concave flexible groove of establishing of bottom surface under the fixed block and when the decline of going up and down setting in flexible inslot with locking groove interlude cooperation or the locking piece that breaks away from in the locking groove, the lift of locking piece is controlled by opening of automatic switch door structure or closing the door.
By adopting the scheme, compared with the automatic door opening and closing structure in the prior art, in order to ensure the effect of realizing automatic opening and closing, the electromagnetic lock is adopted as a locking tool, once the power is cut off, the electromagnetic lock fails, the locking function to the door frame disappears, the integral anti-theft performance is poorer, the scheme ensures that the fixed block and the mounting block realize relative rest by the insertion and matching of the descending of the locking block and the locking groove, thereby realizing the locking of the door, controls the ascending of the locking block and the separation of the locking groove, the door can be opened smoothly, besides, the ascending or descending of the locking block is controlled by the automatic door opening and closing structure, namely controls the ascending of the locking block to realize unlocking when the door is opened by the automatic door opening and closing structure, controls the descending of the locking block to realize locking when the door is closed by the automatic door opening and closing structure, and does not need artificial unlocking or other control, the locking that avoids leading to because of the outage became invalid when degree of automation is high and operate more portably, guarantees to promote the theftproof performance of low-voltage cabinet.
Furthermore, the automatic door opening and closing structure comprises a rotating arm which is arranged along the reciprocating rotation of the opening and closing direction of the cabinet door, a door opening machine which is fixedly arranged above the door frame and drives the rotating arm to rotate and is arranged on the cabinet body, a sliding rail which is horizontally and fixedly arranged on the door frame, a sliding block which is arranged in the sliding rail in a sliding way, a connecting block which is hinged on the sliding block, and a linkage structure which is arranged between the rotating arm and the connecting block and drives the connecting block to rotate together when the rotating arm is close to or far away from the connecting block and rotates for a certain angle, and a traction structure which is arranged between the linkage structure and the locking block and controls the locking block to descend when the rotating arm is close to the connecting block and rotates or controls the locking block to ascend when the rotating arm is far away from the connecting block and rotates.
By adopting the scheme, the door opener controls the rotating arm to rotate along the opening direction of the cabinet door, the rotating arm rotates a certain angle away from the connecting block, the locking block is driven to ascend to be separated from the locking groove through the traction structure arranged between the linkage structure and the locking block, unlocking is realized, the rotating arm continues to rotate, the connecting block is driven to rotate together through the linkage structure, and the connecting block and the sliding block are hinged and arranged and can move in the sliding rail, so that the sliding block is driven to slide in the sliding rail, and the opening of the cabinet door is controlled; when closing the cabinet door, the door operator control rocking arm is closed the direction along the cabinet door and is rotated, and the rocking arm is close to the connecting block and rotates certain angle, through setting up and pull the structure between linkage structure and locking piece, orders about the locking piece and descends, and the rocking arm continues to rotate, drives the connecting block through linkage structure and rotates together, the closing of control cabinet door, the locking piece through pull the structure realize with the interlude cooperation in locking groove, carry out the locking of cabinet door.
Furthermore, the linkage structure comprises a transmission rod which is arranged on the rotating arm and penetrates through the connecting block, a limiting block which is arranged at one end, away from the rotating arm, of the transmission rod and a through groove which is arranged on the connecting block and used for enabling the transmission rod to rotate around the rotating center of the rotating arm, wherein the limiting block is lifted to be separated from the locking groove when the limiting block rotates to be abutted against the connecting block.
By adopting the scheme, when the door is opened, the rotating arm rotates to drive the transmission rod to rotate, the limiting block rotates along with the transmission rod until the limiting block is abutted against the connecting block, and the rotating arm is continuously rotated to drive the connecting block to rotate along with the rotating arm; when closing the door, the rocking arm rotates to the transfer line and leads to the groove butt, continues to rotate the rocking arm, can drive the connecting block and rotate along with the rocking arm, and rotates around the rotation center of rocking arm at the stopper, and steerable structure of pulling orders about the locking piece and rises to and break away from with the locking groove.
Further, pull the structure and include that the both ends respectively with the haulage rope that stopper and locking piece are connected and the confession haulage rope that sets up respectively on fixed block and cabinet door first dodge the hole and the hole is dodged to the second, the locking piece is kept away from one side of stopper and is near the cabinet door to keeping away from the inclined plane setting of cabinet door tilt up gradually.
By adopting the scheme, the limiting block rotates around the rotation center of the rotating arm and is close to the connecting block, the traction rope is pulled to move upwards, and the locking block is pulled to ascend; the limiting block is far away from the connecting block to rotate around the rotation center of the rotating arm, the pulling force on the traction rope disappears, the locking block descends under the action of self gravity, in the closing process of the cabinet door, the locking block firstly approaches the connecting block through the rotating arm to rotate and descend for a certain distance, then gradually descends along with the closing process of the cabinet door, and finally the locking block and the locking groove are in insertion fit, therefore, at the moment that the cabinet door is about to be closed, the locking block is inevitably descended to abut against the side wall of the mounting block, the cabinet door can not be closed, one side of the locking block, which is far away from the limiting block, is an inclined plane which gradually inclines upwards from the cabinet door to the side wall of the cabinet door, when the locking block is descended to abut against the side wall of the mounting block, in the continuous closing process of the cabinet door, the locking block moves upwards and retracts into the telescopic groove through the extrusion sliding fit between the mounting block and the inclined plane, until the cabinet door is closed, the telescopic groove is opposite to the locking groove, and the locking block falls under the action of self gravity to be in alternate fit with the locking groove.
Furthermore, the angle that the rocking arm can be close to or keep away from the connecting block pivoted is 2 ~ 4.
Adopt above-mentioned scheme, the angle undersize can lead to stopper shift position undersize, when leading to the connecting block to rotate along with the rocking arm, the locking piece can't break away from with the locking groove to can't open the door, and the angle is too big, and the turned angle of rocking arm is too big when can leading to the cabinet door to open, is unfavorable for opening or closing of cabinet door.
Furthermore, the second is dodged and is provided with the rolling structure who avoids haulage rope friction fracture between hole and the haulage rope, the rolling structure includes in the second dodges the annular piece that the downthehole setting was set up, the annular groove of concave setting on the inner ring wall of annular piece and in the annular groove internal rotation annular rolling circle that sets up, the transversal circular setting of personally submitting of annular rolling circle, and the internal diameter of annular rolling circle is less than the internal diameter of annular piece, the rotation of annular rolling circle is controlled by the frictional force between annular rolling circle and the haulage rope when the haulage rope removes.
Adopt above-mentioned scheme, because the haulage rope can constantly rub between the hole at the in-process of upwards or the downstream and the second is dodged, long-term use can break the haulage rope, consequently, set up the rolling structure, the haulage rope removes the in-process, the butt produces the friction between the annular rolling circle, this frictional force orders about the annular rolling circle and rolls, convert sliding friction into rolling friction, reduce the wearing and tearing to the haulage rope in the time of reducing the resistance, in addition, because the in-process of opening or closing at the cabinet door, the haulage rope and second dodge and produce frictional position constantly change between the hole, consequently can all with annular rolling circle roll fit when guaranteeing the optional position through setting up the annular rolling circle.
Furthermore, an electromagnetic lock is arranged between the cabinet body and the cabinet door, the electromagnetic lock comprises an electromagnet arranged on the cabinet body and an iron sheet arranged on the cabinet door, and the locking and unlocking of the electromagnetic lock are controlled by the electromagnet to be powered on or powered off.
Adopt above-mentioned scheme, can further increase the locking ability through setting up the electromagnetic lock, the electro-magnet is got electric and is produced magnetic force, attracts the iron sheet and can carry out the locking, and the electro-magnet loses the electromagnetic force and disappears, can't attract the iron sheet, can unblock.
Further, a spring is arranged between the rotating arm and the connecting block.
By adopting the scheme, the linkage effect between the rotating arm and the connecting block can be further ensured by arranging the spring.
Furthermore, the outer wall of the locking block is concavely provided with a containing groove, and a roller attached to the inner wall of the telescopic groove is arranged in the containing groove in a rolling manner.
Adopt above-mentioned scheme, through setting up the gyro wheel, convert the friction of sliding between locking piece and the flexible groove into rolling friction, reduce the frictional force between locking piece and the flexible groove, further guarantee going up and down smoothly of locking piece.
Compared with the prior art, the invention has the following beneficial effects:
1. add the locking structure, the simultaneous control locking piece that automatic switch door structure control cabinet door was opened rises and realizes the unblock, and the simultaneous control locking piece that automatic switch door structure control cabinet door was closed descends and realizes the locking, and the cooperation electromagnetic lock makes the degree of automation of cabinet door switch improve and operate more portably, avoids the locking inefficacy because of the outage leads to simultaneously.
2. The door opener controls the rotating arm to rotate along the opening direction of the cabinet door, the rotating arm rotates a certain angle away from the connecting block, the limiting block is close to the connecting block, the traction rope rises to pull the locking block to rise to be separated from the locking groove, unlocking is realized, the rotating arm continues to rotate, the connecting block is driven to rotate together through the linkage structure, and the opening of the cabinet door is controlled; when closing the cabinet door, the door operator control rocking arm is closed the direction along the cabinet door and is rotated, the rocking arm is close to the connecting block and rotates certain angle, the connecting block is kept away from to the stopper, pulling force on the haulage rope disappears, the locking piece descends the certain distance under self action of gravity, the rocking arm continues to rotate, the locking piece continues to descend, until inclined plane and installation piece butt, the in-process is continued to be closed to the cabinet door, through the cooperation of sliding of the extrusion between installation piece and the inclined plane, order about the flexible inslot of locking piece rebound, close until the cabinet door, flexible groove and locking groove are just right, the locking piece falls to and the cooperation of interlude of locking groove under self action of gravity, realize the locking, through 2 above-mentioned advantages, when guaranteeing the automatic switch cabinet door, promote the theftproof performance of low-voltage cabinet.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an isometric view of a low-voltage switchgear cabinet with a door closed in an electric door of the cabinet in embodiment 1;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an exploded view of the electric door of the low-voltage switchgear in the embodiment 1 when the door is closed;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is an enlarged view at D of FIG. 4;
FIG. 6 is an enlarged view at E in FIG. 4;
FIG. 7 is an enlarged view at C in FIG. 3;
FIG. 8 is a front view of the electric door of the low-voltage switchgear in the embodiment 1 when the door is closed;
FIG. 9 is a cross-sectional view F-F of FIG. 8;
FIG. 10 is an enlarged view at G of FIG. 9;
FIG. 11 is an enlarged view at H in FIG. 10;
FIG. 12 is an enlarged view taken at I in FIG. 10;
fig. 13 is a partially enlarged view of the low-voltage switch cabinet with the electric door inside unlocked in the embodiment 1;
FIG. 14 is an exploded view of a low-voltage switchgear cabinet with an electric door and a cabinet door unlocked in embodiment 1;
FIG. 15 is an enlarged view at J of FIG. 14;
FIG. 16 is an isometric view of a low-voltage switchgear cabinet in which the cabinet door is open, as in embodiment 1;
FIG. 17 is an enlarged view at K in FIG. 16;
FIG. 18 is a sectional view of the electric door of the low voltage switchgear in accordance with embodiment 1, when the door is closed and the locking block abuts against the mounting block;
FIG. 19 is an enlarged view at L in FIG. 18;
FIG. 20 is an enlarged view at M in FIG. 18;
fig. 21 is an isometric view of a locking block in the electric door of the low-voltage switch cabinet in the embodiment 2.
In the figure: 1. a cabinet body; 2. a cabinet door; 3. mounting blocks; 4. a locking groove; 5. a fixed block; 6. a telescopic groove; 7. a locking block; 8. a rotating arm; 9. opening a door machine; 10. a slide rail; 11. a slider; 12. connecting blocks; 13. a transmission rod; 14. a limiting block; 15. a through groove; 16. a hauling rope; 17. a first avoidance hole; 18. a second avoidance hole; 19. a bevel; 20. a ring block; 21. an annular groove; 22. an annular rolling ring; 23. an electromagnet; 24. iron sheets; 25. a spring; 26. a containing groove; 27. and a roller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
A low-voltage switch cabinet electric door, refer to fig. 1-20, including the cabinet body 1, the cabinet door 2 articularly connects and sets up on the cabinet body 1, can rotate to open or close the cabinet body 1, there are automatic door opening and closing structure and locking structure between cabinet body 1 and cabinet door 2, the locking structure includes the mounting block 3 set up on the cabinet body 1, the concave locking groove 4 of upper top surface of the mounting block 3, there is a fixed block 5 above the mounting block 3 on the cabinet door 2, the concave telescopic groove 6 of lower bottom surface of the fixed block 5, the lifting has locking blocks 7 in the telescopic groove 6, the locking block 7 is interlude and cooperated with locking groove 4 when descending, realize the locking of the cabinet door 2; locking piece 7 breaks away from with locking groove 4 when rising, the unblock, cabinet door 2 can be opened smoothly, the lift of locking piece 7 is controlled by opening or closing the door of automatic switch door structure, steerable locking piece 7 rises when automatic switch door structure control cabinet door 2 opens promptly, steerable locking piece 7 descends when automatic switch door structure control cabinet door 2 closes, need not artificial unblock or control in addition, degree of automation is high and operate more portably, still can avoid losing efficacy because of the locking that the outage leads to, promote the theftproof performance of low-voltage cabinet.
The automatic door opening and closing structure is characterized in that a door opening machine 9 is fixedly arranged above a door frame on a cabinet body 1, a rotating arm 8 is arranged on the door opening machine 9, the door opening machine 9 controls the rotating arm 8 to rotate in a reciprocating manner along the opening and closing direction of a cabinet door 2, a sliding rail 10 is horizontally and fixedly arranged on the door frame, a sliding block 11 is arranged in the sliding rail 10 in a sliding manner, a connecting block 12 is hinged on the sliding block 11, a linkage structure is arranged between the rotating arm 8 and the connecting block 12, the linkage structure enables the rotating arm 8 to rotate together with the connecting block 12 after rotating a certain angle close to or far away from the connecting block 12, the door opening machine 9 controls the rotating arm 8 to rotate along the opening direction of the cabinet door 2, and the connecting block 12 is driven to rotate together after the rotating arm 8 rotates a certain angle far away from the connecting block 12, because the connecting block 12 and the sliding block 11 are hinged, and the sliding block 11 can move in the sliding rail 10, the sliding block 11 is driven to slide in the sliding rail 10, and the opening of the cabinet door 2 is controlled; when the cabinet door 2 is closed, the door opening machine 9 controls the rotating arm 8 to rotate along the closing direction of the cabinet door 2, the rotating arm 8 is close to the connecting block 12 and rotates for a certain angle, the connecting block 12 is driven to rotate together to control the closing of the cabinet door 2, the linkage structure comprises a transmission rod 13 which is arranged on the rotating arm 8 and penetrates through the connecting block 12, a limiting block 14 is arranged at one end, far away from the rotating arm 8, of the transmission rod 13, a through groove 15 for enabling the transmission rod 13 to rotate around the rotating center of the rotating arm 8 is formed in the connecting block 12, when the door is opened, the limiting block 14 rotates along with the rotating arm 8 until the limiting block 14 is abutted against the connecting block 12, the rotating arm 8 continues to rotate, and the connecting block 12 can be driven to rotate together with the rotating arm 8; when the door is closed, the rotating arm 8 rotates until the transmission rod 13 is abutted to the through groove 15, and the rotating arm 8 is continuously rotated, so that the connecting block 12 can be driven to rotate along with the rotating arm 8.
A traction structure is arranged between the linkage structure and the locking block 7, when the rotating arm 8 rotates close to the connecting block 12, the traction structure controls the locking block 7 to descend, when the rotating arm 8 rotates far away from the connecting block 12, the traction structure controls the locking block 7 to ascend, the traction structure comprises a traction rope 16, two ends of the traction rope 16 are respectively connected with the limiting block 14 and the locking block 7, a first avoidance hole 17 for the traction rope 16 to pass through is formed in the fixing block 5, a second avoidance hole 18 for the traction rope 16 to pass through is formed in the cabinet door 2, the limiting block 14 rotates around the rotation center of the rotating arm 8 close to the connecting block 12, the traction rope 16 is pulled to enable the locking block 7 to ascend, and when the limiting block 14 rotates to abut against the connecting block 12, the locking block 7 ascends to be separated from the locking groove 4; the limiting block 14 rotates around the rotation center of the rotating arm 8 and is far away from the connecting block 12, the pulling force on the traction rope 16 disappears, the locking block 7 descends under the action of self gravity, but in the closing process of the cabinet door 2, the locking block 7 firstly rotates and descends for a distance through the rotating arm 8 and is close to the connecting block 12, and then gradually descends along with the closing process of the cabinet door 2, so that at the moment that the cabinet door 2 is about to be closed, the locking block 7 is inevitably descended to abut against the side wall of the mounting block 3, which can cause the cabinet door 2 to be incapable of being closed, therefore, one side of the locking block 7 far away from the limiting block 14 is arranged on an inclined surface 19 which gradually inclines upwards from the cabinet door 2 to a position far away from the cabinet door 2, when the locking block 7 descends to abut against the side wall of the mounting block 3, in the continuous closing process of the cabinet door 2, the locking block 7 is driven to move upwards and retract into the telescopic groove 6 through the extrusion sliding fit between the mounting block 3 and the inclined surface 19, until the cabinet door 2 is closed, the telescopic groove 6 is opposite to the locking groove 4, and the locking block 7 falls under the action of self gravity to be in penetrating fit with the locking groove 4.
Rocking arm 8 can be close to or keep away from connecting block 12 pivoted angle and be 2 ~ 4, and the angle undersize can lead to stopper 14 shift position undersize, when leading to connecting block 12 to rotate along with rocking arm 8, locking piece 7 can't break away from with locking groove 4 to can't open the door, and the angle is too big, and the turned angle of rocking arm 8 is too big when can leading to cabinet door 2 to open, is unfavorable for opening or closing of cabinet door 2, and rotatable angle sets up to 3 in this embodiment.
Because the hauling rope 16 can continuously rub with the second avoiding hole 18 in the moving process, the hauling rope 16 can be worn off in long-term use, therefore, a rolling structure is arranged, the rolling structure comprises an annular block 20 arranged in the second avoiding hole 18, an annular groove 21 is concavely arranged on the inner annular wall of the annular block 20, an annular rolling ring 22 is rotatably arranged in the annular groove 21, the cross section of the annular rolling ring 22 is circularly arranged, the inner diameter of the annular rolling ring 22 is smaller than that of the annular block 20, friction is generated by abutting between the annular rolling rings 22 in the moving process of the hauling rope 16, the annular rolling ring 22 is driven to roll by the friction force, sliding friction is converted into rolling friction, the abrasion to the hauling rope 16 is reduced while the resistance is reduced, the hauling rope 16 in the embodiment adopts a steel wire rope, and the service life is further prolonged.
Still be provided with the electromagnetic lock between the cabinet body 1 and cabinet door 2, can further increase the locking ability in the circular telegram, the electromagnetic lock includes the electro-magnet 23 that sets up on the cabinet body 1 and the iron sheet 24 that sets up on cabinet door 2, electro-magnet 23 has electric production magnetic force, it can carry out the locking to hold iron sheet 24, electro-magnet 23 loses the electromagnetic force and disappears, can't hold iron sheet 24, can unblock, door operator 9 and electro-magnet 23 all are controlled by a control system, this control system is prior art, do not do here and describe repeatedly.
Example 2
Compared with embodiment 1, the difference is that in this embodiment, referring to fig. 21, an accommodating groove 26 is concavely formed in an outer wall of the locking block 7, a roller 27 attached to an inner wall of the telescopic groove 6 is arranged in the accommodating groove 26 in a rolling manner, and by arranging the roller 27, sliding friction between the locking block 7 and the telescopic groove 6 is converted into rolling friction, so that friction between the locking block 7 and the telescopic groove 6 is reduced, and smooth lifting of the locking block 7 is further ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a low-voltage switchgear electrically operated gate, includes the cabinet body (1), articulates to set up and to open or close cabinet door (2) of the cabinet body (1) on the cabinet body (1), the automatic switch door structure that sets up between the cabinet body (1) and cabinet door (2) and the locking structure that sets up between the cabinet body (1) and cabinet door (2), its characterized in that: the locking structure includes installation piece (3) that set up on the cabinet body (1), locking groove (4) that the top surface was concave to be established on installation piece (3), fixed block (5) that set up in installation piece (3) top on cabinet door (2), in telescopic slot (6) that the bottom surface was concave to be established under fixed block (5) and in telescopic slot (6) go up and down when setting up with locking groove (4) interlude cooperation or when rising locking piece (7) that break away from with locking groove (4), the lift of locking piece (7) is controlled by opening of automatic switch door structure or closing the door.
2. The low-voltage switchgear cabinet electric door according to claim 1, characterized in that: the automatic door opening and closing structure comprises a rotating arm (8) which is arranged along the opening and closing direction of a cabinet door (2) in a reciprocating rotation way, a door opening machine (9) which is fixedly arranged on the cabinet body (1) above a door frame and drives the rotating arm (8) to rotate, a sliding rail (10) which is horizontally and fixedly arranged on the door frame, a sliding block (11) which is arranged in the sliding rail (10) in a sliding way, a connecting block (12) which is hinged on the sliding block (11) and a linkage structure which is arranged between the rotating arm (8) and the connecting block (12) and drives the connecting block (12) to rotate together after the rotating arm (8) is close to or far away from the connecting block (12) and rotates for a certain angle, a traction structure for controlling the locking block (7) to descend when the rotating arm (8) is close to the connecting block (12) and rotates or controlling the locking block (7) to ascend when the rotating arm (8) is far from the connecting block (12) and rotates is arranged between the linkage structure and the locking block (7).
3. The low-voltage switchgear cabinet electric door according to claim 2, characterized in that: the linkage structure comprises a transmission rod (13) which is arranged on the rotating arm (8) and penetrates through the connecting block (12), a limiting block (14) which is arranged at one end of the transmission rod (13) far away from the rotating arm (8), and a through groove (15) which is arranged on the connecting block (12) and is used for the transmission rod (13) to rotate around the rotating center of the rotating arm (8), wherein when the limiting block (14) rotates to abut against the connecting block (12), the locking block (7) rises to be separated from the locking groove (4).
4. The low-voltage switchgear cabinet electric door according to claim 3, characterized in that: draw structure and include that both ends respectively with haulage rope (16) that stopper (14) and locking piece (7) are connected and on fixed block (5) and cabinet door (2) respectively set up supply first dodge hole (17) and second dodge hole (18) that haulage rope (16) passed, one side that stopper (14) were kept away from in locking piece (7) is from being close to cabinet door (2) to keeping away from inclined plane (19) setting of cabinet door (2) tilt up gradually.
5. The low-voltage switchgear cabinet electric door according to claim 4, characterized in that: the angle that the rotating arm (8) can be close to or far away from the connecting block (12) to rotate is 2-4 degrees.
6. The low-voltage switchgear electric door according to claim 4, characterized in that: a rolling structure for avoiding friction fracture of the traction rope (16) is arranged between the second avoidance hole (18) and the traction rope (16), the rolling structure comprises an annular block (20) arranged in the second avoidance hole (18), an annular groove (21) formed in the inner annular wall of the annular block (20) in a concave mode and an annular rolling ring (22) arranged in the annular groove (21) in a rotating mode, the cross section of the annular rolling ring (22) is arranged in a circular mode, the inner diameter of the annular rolling ring (22) is smaller than that of the annular block (20), and rotation of the annular rolling ring (22) is controlled by friction force between the annular rolling ring (22) and the traction rope (16) when the traction rope (16) moves.
7. The electric door of the low-voltage switch cabinet according to claim 1, characterized in that: be provided with the electromagnetic lock between the cabinet body (1) and cabinet door (2), the electromagnetic lock includes electro-magnet (23) that set up on the cabinet body (1) and iron sheet (24) that set up on cabinet door (2), and the locking and the unblock of electromagnetic lock are controlled by getting electric or losing electric of electro-magnet (23).
8. The low-voltage switchgear cabinet electric door according to claim 1, characterized in that: a spring (25) is arranged between the rotating arm (8) and the connecting block (12).
9. The low-voltage switchgear cabinet electric door according to claim 1, characterized in that: the outer wall of the locking block (7) is concavely provided with a containing groove (26), and a roller (27) which is attached to the inner wall of the telescopic groove (6) is arranged in the containing groove (26) in a rolling manner.
CN202210321623.3A 2022-03-30 2022-03-30 Electric door of low-voltage switch cabinet Pending CN114709723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210321623.3A CN114709723A (en) 2022-03-30 2022-03-30 Electric door of low-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210321623.3A CN114709723A (en) 2022-03-30 2022-03-30 Electric door of low-voltage switch cabinet

Publications (1)

Publication Number Publication Date
CN114709723A true CN114709723A (en) 2022-07-05

Family

ID=82170590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210321623.3A Pending CN114709723A (en) 2022-03-30 2022-03-30 Electric door of low-voltage switch cabinet

Country Status (1)

Country Link
CN (1) CN114709723A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115634401A (en) * 2022-10-07 2023-01-24 国网湖北省电力有限公司黄石供电公司 Fire-fighting monitoring and fire-extinguishing mechanism of high-voltage switch cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115634401A (en) * 2022-10-07 2023-01-24 国网湖北省电力有限公司黄石供电公司 Fire-fighting monitoring and fire-extinguishing mechanism of high-voltage switch cabinet
CN115634401B (en) * 2022-10-07 2023-03-28 国网湖北省电力有限公司黄石供电公司 Fire-fighting monitoring and fire-extinguishing mechanism of high-voltage switch cabinet

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