CN113690783A

CN113690783A - Anti-toppling drawer type switch cabinet

Info

Publication number: CN113690783A
Application number: CN202111136415.8A
Authority: CN
Inventors: 刘小忠
Original assignee: Zhejiang Chenyi Electric Co ltd
Current assignee: Zhejiang Chenyi Electric Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2021-11-23

Abstract

The invention discloses an anti-toppling drawer type switch cabinet, which adopts the technical scheme that the anti-toppling drawer type switch cabinet comprises a cabinet body, wherein a plurality of drawers are connected onto the cabinet body in a sliding manner, an anti-toppling device is arranged on the cabinet body, a device cavity is formed in the bottom of the cabinet body, the anti-toppling device is arranged in linkage with the drawers, the anti-toppling device comprises a driving plate arranged in the device cavity, a plurality of reset springs used for connecting the device cavity are arranged at the bottom of the driving plate, two ends, facing the side face of each drawer, of the driving plate are hinged with connecting rods, horizontally moving push rods are hinged onto the connecting rods, one ends of the push rods are hinged with the connecting rods, the other ends of the push rods are hinged with supporting legs, a pair of the supporting legs are hinged with the cabinet body, an electromagnet positioned above the driving plate is further arranged in the device cavity, and a magnetic block matched with the electromagnet is arranged on the top face of the driving plate; through the arrangement, after the drawer is pulled out, the driving plate can push the push rod to unfold the supporting legs, so that the cabinet body is assisted to be supported, and the cabinet body is prevented from being toppled due to the change of the center of gravity.

Description

Anti-toppling drawer type switch cabinet

Technical Field

The invention relates to the technical field of switch cabinets, in particular to an anti-toppling drawer type switch cabinet.

Background

The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The low-voltage switch cabinet can be structurally divided into a fixed type and a draw-out type, wherein the draw-out type is composed of a fixed cabinet body and a movable drawer provided with main electrical elements such as a switch and the like, and the disassembly, the movement and the repair of the electrical elements can be facilitated.

The existing drawer is relatively heavy due to more electrical elements arranged in the existing drawer, and large strength is needed when the drawer is pulled out, so that the situation that the drawer falls on the ground due to the fact that the pulling speed of the drawer is too high when the drawer is pulled frequently occurs; and when the drawer is pulled out during maintenance, the gravity center of the cabinet body can be changed, so that the cabinet body is inclined forwards and turned on one side, and the safety of workers is threatened.

Disclosure of Invention

In order to solve the above problems, the present invention provides an anti-toppling drawer type switch cabinet, which has an improved structure such that a drawer can be pulled out without a large force, and the cabinet body does not tilt or turn over due to a change in the center of gravity after the drawer is pulled out.

In order to achieve the purpose, the invention adopts the technical scheme that: an anti-toppling drawer type switch cabinet comprises a cabinet body, wherein a plurality of drawers are connected to the cabinet body in a sliding manner, and the anti-toppling drawer type switch cabinet is characterized in that an anti-toppling device is arranged on the cabinet body, a device cavity is formed in the bottom of the cabinet body, the anti-toppling device is arranged in linkage with the drawers, the anti-toppling device comprises a driving plate arranged in the device cavity, a reset spring is arranged between the driving plate and the device cavity, connecting rods are hinged to two ends of the driving plate, a horizontally moving push rod is hinged to the connecting rods, one end of each push rod is hinged to the connecting rod, the other end of each push rod is hinged to a supporting leg, the upper end of each supporting leg is hinged to the cabinet body, and the lower end of each supporting leg is hinged to the push rod; the device intracavity still is provided with the electro-magnet that is located the drive plate top, the drive plate top surface is provided with the magnetic path with electro-magnet matched with, the device intracavity still is provided with the battery, the battery forms a series circuit with the electro-magnet, still be provided with a plurality of grafting switches in the series circuit, grafting switch is including being located the plug on the drawer and being located the cabinet body on with plug matched with socket.

The invention is further provided with slide rails arranged on two sides of the inner wall of the cabinet body, and pulleys matched with the slide rails are arranged on two sides of the drawer; a socket is arranged at one end of the slide rail close to the inside, and a plug matched with the socket is arranged at one end of the drawer close to the inside.

The drawer cabinet is further provided with support legs at the bottom, the support legs consist of front support legs and rear support legs, the front support legs are positioned on one side of the drawer drawing direction of the cabinet body, and the rear support legs are positioned on one side of the drawer pushing direction.

The invention is further arranged that the front supporting leg comprises a supporting column which is connected with the bottom of the cabinet body in a sliding way, one end of the supporting column is positioned in the device cavity, and the other end of the supporting column supports the ground; the device is characterized in that the top of one end, located in the device cavity, of the support column is provided with a roller, the push rod is provided with a rolling groove matched with the roller, and the rolling groove is used for driving the support column to slide up and down.

The invention is further arranged in that the bottom of the cabinet body is provided with a heat dissipation assembly, the heat dissipation assembly comprises a heat dissipation box positioned at the bottom of the cabinet body, a heat dissipation fan is arranged in the heat dissipation box, a plurality of ventilation pipes are also arranged outside the heat dissipation box, the ventilation pipes are communicated with the heat dissipation box and the interior of the cabinet body, and dust collection cloth is arranged in the heat dissipation box.

The invention is further provided that the cabinet body is provided with a warning and fire extinguishing assembly, the warning and fire extinguishing assembly comprises a steel cylinder which is arranged on the cabinet body and filled with liquid carbon dioxide, the steel cylinder is provided with an electromagnetic valve, and the cabinet body is internally provided with a smoke sensor for controlling the opening of the electromagnetic valve.

The invention is further provided with a vent hole at the joint of the vent pipe and the cabinet body, a sealing plate used for covering the vent hole is arranged at the upper end of the vent hole in the cabinet body in a sliding manner, a magnetic attraction sheet is arranged on the sealing plate, an electromagnetic block which is arranged above the sealing plate and matched with the magnetic attraction sheet is arranged on the cabinet body, and the electromagnetic block is electrically connected with the smoke sensor.

In conclusion, the invention has the beneficial effects that:

1. the anti-toppling device on the cabinet body can prevent the cabinet body from being turned over due to forward tilting of the gravity center after the drawer is pulled out; the plug arranged on the side face of the drawer and the socket arranged on the sliding rail form a plug switch, the plug switch is arranged in a series circuit, so that when any drawer is pulled out, the series circuit can be broken, the electromagnet loses magnetism, a driving plate positioned in the middle of the device cavity can move downwards under the action of a reset spring, a push rod can be driven by a connecting rod to horizontally move towards the pulling direction of the drawer, supporting legs on two sides of the cabinet body can be pushed to unfold, a supporting effect on the cabinet body which is tilted forwards is achieved, the drawer is prevented from being pulled out when a worker overhauls, the gravity center of the cabinet body tilts forwards to enable the cabinet body to tilt and fall down, equipment is damaged, and danger is caused to the worker, and the safety during equipment overhaul is improved; and series circuit's setting also makes only when the staff all inserts the cabinet internally with all drawers, the supporting legs just can be withdrawed, can further high personnel's security like this.

2. The switch cabinet body can be far away from the ground due to the arrangement of the support legs, so that moisture and humidity on the ground can be prevented from entering the cabinet body to damage internal circuit components; the utility model discloses a drawer, the drawer is taken out direction one side, the utility model discloses a drawer, the drawer is taken out the direction, the preceding supporting legs that lies in drawer direction one side slides from top to bottom simultaneously sets up in cabinet body bottom, when the push rod promotes the supporting legs and expandes, the gyro wheel at pillar top can roll in the rolling groove of push rod, the rolling groove is the circular arc setting, the pillar can be because the slow rebound of the shape of rolling groove, thereby make the cabinet body take place to lean forward, make the cabinet body and supporting legs form a stable triangular structure, make the drawer take out like this, the drawer can be under the effect of self gravity, slide down along the slide rail, make the drawer take out more easily, the drawer of slope makes the staff can see the connected mode of the inside components and parts of drawer more conveniently simultaneously, make more convenient of maintenance.

3. The cabinet body bottom is provided with the heat dissipation case, the heat dissipation incasement is provided with radiator fan, it is internal that the heat dissipation case passes through ventilation pipe intercommunication cabinet, such setting can drive the flow of air through the fan, thereby the internal heat of cabinet that makes is arranged to the air under the guide of air current, and then the radiating effect of the cabinet body has been realized, set up the heat dissipation case in cabinet body bottom, pass through the ventilation pipe connection cabinet body with the heat dissipation case again, through crooked ventilation pipe, can make the dust can be blockked at the heat dissipation incasement, then it is external to discharge the cabinet through radiator fan, thereby can avoid the dust to get into the internal equipment of cabinet and cause the damage.

4. When the interior of the cabinet is on fire, the electromagnetic valve is opened, so that the carbon dioxide gas in the interior of the cabinet is released, the temperature of an ignition point is reduced, oxygen at the ignition point is isolated, fire extinguishment in the interior is realized, and meanwhile, the alarm lamp can be opened for reminding workers; smoke transducer is still through connecting the electromagnetism piece drive closing plate, when inside catches fire, smoke transducer can be triggered to the circuit of disconnection electromagnetism piece makes the electromagnetism piece lose magnetism, and the closing plate can lose the restriction this moment, and the lapse under the effect of gravity to cover the ventilation hole, makes the internal portion of cabinet form sealedly, can make the better performance of carbon dioxide, has improved the efficiency of putting out a fire.

Drawings

FIG. 1 is a front view of the present embodiment;

FIG. 2 is a side view of the internal structure of the present embodiment;

FIG. 3 is a configuration diagram of a series circuit of the present embodiment;

FIG. 4 is a half sectional view of the present embodiment;

fig. 5 is an enlarged view of the sealing plate of the present embodiment.

Reference numerals: 1-a cabinet body; 101-a device cavity; 3, a drawer; 4-anti-toppling device; 4401-a drive board; 402-a return spring; 403-a connecting rod; 404-a push rod; 405-supporting feet; 406-an electromagnet; 407-magnetic block; 408-a battery; 409-a plug switch; 4091-a plug; 4092-insert plate; 5-a heat dissipation component; 501-a heat dissipation box; 502-a heat dissipation fan; 503-vent pipe; 504-dust absorption cloth; 6-alarm fire-extinguishing component; 601-steel cylinder; 602-a solenoid valve; 603-a smoke sensor; 604-warning lights; 7-a vent hole; 8-sealing plate; 9-magnetic attraction piece; 10-an electromagnetic block; 11-a leg; 12-front foot; 1201-struts; 1202-a roller; 1203-rolling groove; 13-rear foot.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, the embodiment discloses an anti-toppling drawer type switch cabinet, which comprises a cabinet body 1, a plurality of drawers 3 slidably connected to the cabinet body 1, it is characterized in that the cabinet body 1 is provided with an anti-dumping device 4, the bottom of the cabinet body 1 is provided with a device cavity 101, the anti-toppling device 4 is linked with the drawer 3, the anti-toppling device 4 comprises a driving plate 401 arranged in the device cavity 101, the bottom of the driving plate 401 is provided with a plurality of return springs 402 for connecting the device cavity 101, two ends of the driving plate 401 facing the side of the drawer are hinged with connecting rods 403, a horizontally moving push rod 404 is hinged on the connecting rods 403, one end of the push rod 404 is hinged with the connecting rod 403, the other end of the push rod is hinged with a supporting leg 405, the upper ends of the pair of supporting legs 405 are hinged with the cabinet body 1, and the lower ends of the pair of supporting legs are hinged with the push rod 404; the device cavity 101 is also internally provided with an electromagnet 406 positioned above the driving plate 401, the top surface of the driving plate 401 is provided with a magnetic block 407 matched with the electromagnet 406, the device cavity 101 is also internally provided with a storage battery 408, the storage battery 408 and the electromagnet 406 form a series circuit, the series circuit is also internally provided with a plurality of plug switches 409, and the plug switches 409 comprise a plug 4091 positioned on the drawer 3 and a socket 4092 positioned on the cabinet body 1 and matched with the plug 4091.

In this embodiment, two sides of the inner wall of the cabinet 1 are provided with slide rails 410, and two sides of the drawer 3 are provided with pulleys 411 matched with the slide rails 410; a socket 4092 is arranged at one end of the slide rail 410 close to the inner side, and a plug 4091 matched with the socket 4091 is arranged at one end of the drawer 3 close to the inner side.

In this embodiment, the bottom of the cabinet 1 is provided with the support leg 11, the support leg 11 is composed of a front support leg 12 and a rear support leg 13, the front support leg 12 is located on one side of the drawer 3 withdrawing direction of the cabinet 1, and the rear support leg 13 is located on one side of the drawer 3 pushing direction.

In this embodiment, the front leg 12 includes a pillar 1201 slidably connected to the bottom of the cabinet 1, one end of the pillar 1201 is located in the device cavity 101, and the other end supports the ground; the top of one end of the supporting column 1201, which is located in the device cavity 101, is provided with a roller 1202, the push rod 404 is provided with a rolling groove 1203 matched with the roller 1202, and the rolling groove 1203 is used for driving the supporting column 1201 to slide up and down.

In this embodiment, the bottom of the cabinet body 1 is provided with the radiator unit 5, the radiator unit 5 is including the heat dissipation case 501 that is located the cabinet body 1 bottom, be provided with radiator fan 502 in the heat dissipation case 501, still be provided with a plurality of ventilation pipes 503 outside the heat dissipation case 501, ventilation pipe 503 intercommunication heat dissipation case 501 and the internal portion of cabinet body 1, be provided with dust absorption cloth 504 in the heat dissipation case 501.

In this embodiment, be provided with warning fire extinguishing assembly 6 on the cabinet body 1, warning fire extinguishing assembly 6 is including setting up in the cabinet body 1 and being equipped with liquid carbon dioxide's steel bottle 601, be provided with solenoid valve 602 on the steel bottle 601, be provided with in the cabinet body 1 and be used for controlling the smoke transducer 603 that solenoid valve 602 opened.

In this embodiment, the department of linking to each other of ventilation pipe 503 and the cabinet body 1 is provided with ventilation hole 7, it is provided with the closing plate 8 that is used for coveing ventilation hole 7 to lie in the slip of ventilation hole 7 upper end in the cabinet body 1, be provided with magnetism on the closing plate 8 and inhale piece 9, be provided with on the cabinet body 1 and lie in closing plate 8 top and inhale piece 9 matched with electromagnetism piece 10 with magnetism, electromagnetism piece 10 is connected the setting with smoke transducer 603 electricity.

The working principle is as follows: when the switch cabinet needs to be overhauled, any one drawer 3 is pulled out from the cabinet body 1, one plug 4091 is disconnected with the plug board 4092, the series circuit is broken, the driving plate 401 positioned in the device cavity 101 is separated from the electromagnet 406, the driving plate 401 moves downwards under the action of the reset spring 402, and then the push rod 404 is driven to move outwards and horizontally, so that the supporting leg 405 is pushed to be unfolded; meanwhile, in the process that the push rod 404 moves horizontally outwards, the roller 1202 on the supporting column 1201 rolls in the rolling groove 1203 on the push plate 404, and the rolling groove 1203 is arc-shaped, so that the supporting column 1201 moves slowly upwards, the front supporting leg 12 is shorter than the rear supporting leg 13, the cabinet body 1 is in a forward tilting state, and a triangular structure is formed by the supporting leg 405, so that the switch cabinet is more stable during maintenance, and the safety of workers cannot be endangered due to the inclination of the change of the center of gravity; meanwhile, the cabinet body 1 which is obliquely arranged enables the drawer 3 to be more easily drawn out under the action of the dead weight, so that a worker is prevented from pulling the drawer 3 by a large force; after the overhaul is finished, all the drawers 3 are inserted into the cabinet body 1, the series circuit is switched on, the electromagnet 406 generates magnetism and attracts the magnetic block 407 on the driving plate 401, so that the driving plate 401 moves upwards, the push rod 404 moves inwards to drive the supporting leg 405 to retract, and meanwhile, the front supporting leg 12 moves upwards to enable the cabinet body 1 to return to the right position.

When the equipment is used, the heat dissipation fan 502 in the heat dissipation box 501 is started, and the ventilation pipe 503 drives the airflow in the cabinet body 1 to move towards the heat dissipation box 501, so that the heat in the cabinet body 1 is discharged out of the cabinet body 1 from the heat dissipation box 501; the dust collection cloth 504 is detachably arranged in the heat dissipation box 501, so that external dust can be prevented from entering the cabinet body 1;

when the interior of the equipment catches fire, the smoke sensor 603 is triggered by the smoke in the interior to be started, the circuit of the electromagnetic block 10 is disconnected, the electromagnetic block 10 loses magnetism, and therefore the sealing plate 8 above the vent hole 7 slides downwards to cover the vent hole 7; meanwhile, the smoke sensor 603 opens the electromagnetic valve 602, so that carbon dioxide in the steel cylinder 601 is sprayed out to fill the whole cabinet body 1, thereby reducing the temperature of a fire point and isolating oxygen, and realizing fire extinguishing; at which time the warning light 604 is turned on to alert the worker.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. An anti-toppling drawer type switch cabinet comprises a cabinet body (1), wherein a plurality of drawers (3) are connected onto the cabinet body (1) in a sliding manner, and the anti-toppling drawer type switch cabinet is characterized in that an anti-toppling device (4) is arranged on the cabinet body (1), a device cavity (101) is arranged at the bottom of the cabinet body (1), the anti-toppling device (4) and the drawers (3) are arranged in a linkage manner, the anti-toppling device (4) comprises a driving plate (401) arranged in the device cavity (101), a reset spring (402) is arranged between the driving plate (401) and the device cavity (101), connecting rods (403) are hinged to two ends of the driving plate (401), a horizontally moving push rod (404) is hinged to the connecting rods (403), one end of the push rod (404) is hinged to the connecting rods (403), the other end of the push rod is hinged to a supporting leg (405), and the upper end of the supporting leg (405) is hinged to the cabinet body (1), the lower end is hinged with a push rod (404); the device is characterized in that an electromagnet (406) located above a driving plate (401) is further arranged in the device cavity (101), a magnetic block (407) matched with the electromagnet (406) is arranged on the top surface of the driving plate (401), a storage battery (408) is further arranged in the device cavity (101), the storage battery (408) and the electromagnet (406) form a series circuit, a plurality of plug-in switches (409) are further arranged in the series circuit, and each plug-in switch (409) comprises a plug (4091) located on a drawer (3) and a socket (4092) located on a cabinet body (1) and matched with the plug (4091).

2. The anti-toppling drawer type switch cabinet as claimed in claim 1, wherein sliding rails (410) are arranged on two sides of the inner wall of the cabinet body (1), and pulleys (411) matched with the sliding rails (410) are arranged on two sides of the drawer (3); a socket (4092) is arranged at one end of the slide rail (410) close to the inside, and a plug (4091) matched with the socket (4091) is arranged at one end of the drawer (3) close to the inside.

3. The anti-toppling drawer-type switch cabinet as claimed in claim 1, characterized in that the bottom of the cabinet body (1) is provided with a support leg (11), the support leg (11) is composed of a front support leg (12) and a rear support leg (13), the front support leg (12) is located on one side of the cabinet body (1) in the drawing direction of the drawer (3), and the rear support leg (13) is located on one side of the drawer (3) in the pushing direction.

4. An anti-toppling drawer-type switch cabinet according to claim 6, characterized in that the front leg (12) comprises a pillar (1201) slidably connected to the bottom of the cabinet body (1), one end of the pillar (1201) is located in the device cavity (101), and the other end supports the ground; the top of one end, located in the device cavity (101), of the supporting column (1201) is provided with a roller (1202), the push rod (404) is provided with a rolling groove (1203) matched with the roller (1202), and the rolling groove (1203) is used for driving the supporting column (1201) to slide up and down.

5. The anti-toppling drawer type switch cabinet as claimed in claim 1, wherein a heat dissipation assembly (5) is arranged at the bottom of the cabinet body (1), the heat dissipation assembly (5) comprises a heat dissipation box (501) located at the bottom of the cabinet body (1), a heat dissipation fan (502) is arranged in the heat dissipation box (501), a plurality of ventilation pipes (503) are arranged outside the heat dissipation box (501), the ventilation pipes (503) communicate the heat dissipation box (501) with the inside of the cabinet body (1), and dust collection cloth (504) is arranged in the heat dissipation box (501).

6. The anti-toppling drawer type switch cabinet according to claim 5, characterized in that the cabinet body (1) is provided with a fire alarm component (6), the fire alarm component (6) comprises a steel cylinder (601) which is arranged on the cabinet body (1) and filled with liquid carbon dioxide, the steel cylinder (601) is provided with a solenoid valve (602), the cabinet body (1) is provided with a smoke sensor (603) for controlling the opening of the solenoid valve (602), and the top of the cabinet body (1) is further provided with an alarm lamp (604).

7. The anti-toppling drawer type switch cabinet as claimed in claim 6, wherein a ventilation hole (7) is formed at the connection position of the ventilation pipe (503) and the cabinet body (1), a sealing plate (8) used for covering the ventilation hole (7) is slidably arranged at the upper end of the ventilation hole (7) in the cabinet body (1), a magnetic absorption sheet (9) is arranged on the sealing plate (8), an electromagnetic block (10) which is located above the sealing plate (8) and matched with the magnetic absorption sheet (9) is arranged on the cabinet body (1), and the electromagnetic block (10) is electrically connected with the smoke sensor (603).