CN215343468U

CN215343468U - Low-voltage draw-out type switch cabinet with locking function

Info

Publication number: CN215343468U
Application number: CN202121582729.6U
Authority: CN
Inventors: 杨坚锡; 李毅涛
Original assignee: Xinjiang Mingdian Electric Co ltd
Current assignee: Mingdian Electric Group Co.,Ltd.
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-28
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a low-voltage draw-out type switch cabinet with a locking function. The low-voltage draw-out type switch cabinet with the locking function comprises a switch cabinet arranged on a workbench, and two locking mechanisms and a rotating mechanism are arranged on the switch cabinet; the utility model provides a low-voltage draw-out switch cabinet which can automatically control the state of locking through a button key when the switch cabinet needs to be closed and opened, and simplifies the operation process so as to save the working time of maintainers.

Description

Low-voltage draw-out type switch cabinet with locking function

Technical Field

The utility model belongs to the technical field of pull-out switch cabinets, and particularly relates to a low-voltage pull-out switch cabinet with a locking function.

Background

The switch cabinet is an electrical device, the exterior line of the switch cabinet firstly enters a main control switch in the cabinet, then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like, some switch cabinets are also provided with a high-voltage chamber and a low-voltage chamber, and high-voltage buses are arranged, such as a power plant, a transformer substation and the like; the cabinet body is provided with a cabinet body accommodating cavity; the cabinet door is provided with an alarm, a controller, a power supply module, a wireless sending module and a plurality of groups of locking assemblies; the locking assembly comprises a shell, a first rack, a first clamping block, a first gear rotating shaft, a first mechanical lock, a pressure sensor, a second rack, a second clamping block, a second gear rotating shaft and a second mechanical lock; the cabinet body is concavely provided with a first clamping groove, and the first clamping block is concavely provided with a second clamping groove. The locking device has an alarm function, and meanwhile, the condition of the switch cabinet can be known by maintainers and workers in time.

However, there are deficiencies in the above structure, when the switch cabinet needs to be opened, because the switch cabinet is in a locked state, a series of complex operations are required to be performed by a maintainer to open the locked state, and then the switch cabinet can be opened, so that the whole process is time-consuming and labor-consuming.

Therefore, there is a need to provide a new low-voltage draw-out switchgear with a locking function to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a low-voltage draw-out switch cabinet with a locking function, which can automatically control the locking state through one button when the switch cabinet needs to be closed and opened, simplify the operation process and save the working time of maintainers.

In order to solve the technical problem, the low-voltage draw-out type switch cabinet with the locking function provided by the utility model comprises a switch cabinet arranged on a workbench, wherein two locking mechanisms and a rotating mechanism are arranged on the switch cabinet; the locking mechanism comprises a partition plate, a push-pull box, an installation barrel, an installation block, a working cavity, a first rotating rod, a first gear, two arc-shaped through holes, a limiting rod, an arc-shaped toothed plate, a first fixing rod, a baffle plate, a first rubber block and an auxiliary mechanism, wherein the partition plate is fixedly installed in the switch cabinet, the push-pull box is arranged in the switch cabinet, one side of the push-pull box extends out of the switch cabinet and is in sliding connection with the switch cabinet, the installation barrel is fixedly installed on the inner wall of one side of the switch cabinet, the installation block is fixedly installed in the installation barrel, the top and the bottom of the installation block both extend out of the installation barrel, the working cavity is arranged on the installation block, the rotating rod is rotatably installed in the working cavity, the first gear is fixedly sleeved on the first rotating rod, the two arc-shaped through holes are respectively arranged on the inner walls of two sides of the working cavity, the limiting rod is hinged and installed at the bottom of the installation block, the arc-shaped rod is fixedly installed on the limiting rod, one end of the arc-shaped rod penetrates through the arc-shaped through hole, the arc-shaped rod extends into the working cavity, the arc-shaped toothed plate is fixedly installed on the arc-shaped rod, the arc-shaped toothed plate is meshed with the first gear, the first fixing rod is fixedly installed on the outer wall of one side of the push-pull box, the first baffle is fixedly installed on the first fixing rod, the first rubber block is fixedly installed on one side of the first baffle, and the first rubber block is in contact with the limiting rod;

the auxiliary mechanism comprises a moving groove, a rotating rod II, a gear II, two T-shaped sliding rods, a sliding block, a rectangular toothed plate, a rectangular through hole I, a fixing rod II, a rectangular through hole II and a positioning rod, wherein the moving groove is formed in the outer wall of one side of the mounting block, the rotating rod II is rotatably mounted in the moving groove, the gear II is fixedly sleeved on the rotating rod II, the two T-shaped sliding rods are fixedly mounted on the mounting cylinder, the sliding block is slidably mounted on the two T-shaped sliding rods, one side of the sliding block extends into the moving groove, the rectangular toothed plate is fixedly mounted on the outer wall of one side of the sliding block, the rectangular toothed plate is meshed with the gear II, the rectangular through hole I is formed in the outer wall of one side of the mounting block, the fixing rod II is fixedly mounted on the outer wall of one side of the push-pull box, and the fixing rod II penetrates through the rectangular through hole and is slidably connected with the rectangular through hole I, rectangle opening two is seted up on dead lever two, locating lever fixed mounting is at the top of sliding block, the sliding block run through rectangle opening two and with two sliding connection of rectangle opening.

As a further scheme of the utility model, the rotating mechanism comprises a rotating cavity, a third rotating rod, a first conical gear, a second conical gear, a third conical gear, a fourth conical gear, a fifth conical gear, a motor, a fourth rotating rod and a sixth conical gear, the rotating cavity is arranged on the mounting block, the third rotating rod is rotatably mounted in the rotating cavity, the bottom end of the third rotating rod extends into the working cavity, the top end of the third rotating rod extends into the moving groove, the first conical gear is fixedly sleeved on the bottom end of the third rotating rod, the second conical gear is fixedly sleeved on the first rotating rod, the second conical gear is meshed with the first conical gear, the third conical gear is fixedly sleeved on the top end of the third rotating rod, the fourth conical gear is fixedly sleeved on the second rotating rod, the fourth conical gear is meshed with the third conical gear, and the fifth conical gear is fixedly sleeved on the third rotating rod, motor fixed mounting is on one side inner wall of an installation section of thick bamboo, four fixed mounting of dwang are on the output shaft of motor, four system rotation intracavity and with the installation piece rotation of extending of dwang are connected, six fixed mounting in the one end of dwang four of bevel gear, six and five meshing of bevel gear.

As a further scheme of the utility model, a T-shaped rod is fixedly mounted on the outer wall of one side of the push-pull box, the T-shaped rod extends into the mounting cylinder, a second rubber block is fixedly mounted on the outer wall of one side of the mounting block, and the second rubber block is in contact with the T-shaped rod.

As a further scheme of the utility model, a third rectangular through opening is formed in the outer wall of one side of the switch cabinet, a filter screen is fixedly mounted in the third rectangular through opening, a mounting box is fixedly mounted on the inner wall of one side of the switch cabinet, two air exhaust holes are formed in the outer wall of one side of the mounting box, an exhaust fan is fixedly mounted on the inner wall of one side of the mounting box, and a vent hole is formed in the partition plate.

As a further scheme of the utility model, an air cooler is fixedly installed at the top of the switch cabinet, a connecting pipe is fixedly installed at an air outlet of the air cooler, the bottom end of the connecting pipe extends into the switch cabinet, a temperature sensor is fixedly installed on the inner wall of the top of the switch cabinet, and a storage battery is fixedly installed on the inner wall of the bottom of the switch cabinet.

As a further scheme of the utility model, a slide rail is fixedly mounted at the top of the partition plate, a roller is fixedly mounted at the bottom of the push-pull box, the roller extends into the slide rail and contacts with the slide rail, a handle is fixedly mounted on the outer wall of one side of the push-pull box, a button is fixedly mounted on the outer wall of one side of the push-pull box, and the button is electrically connected with a corresponding motor.

Compared with the related art, the low-voltage draw-out type switch cabinet with the locking function provided by the utility model has the following beneficial effects:

1. the locking mechanism is arranged, so that the locking operation can be performed when the push-pull box is closed, and the closed push-pull box can be automatically locked to avoid sliding in the switch cabinet;

2. the utility model has the advantages that the rotating mechanism is arranged, the locking state of the push-pull box can be controlled by the rotating mechanism, and the operation steps can be simplified by controlling the locking state of the push-pull box through the button.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic side cross-sectional view of a low voltage draw-out switchgear with lockout of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of a portion C of FIG. 1;

fig. 5 is a schematic view, partly in section, of a low-voltage withdrawable switchgear with a blocking function according to the utility model.

In the figure: 1. a work table; 2. a switch cabinet; 3. a partition plate; 4. pushing and pulling the box; 5. mounting the cylinder; 6. mounting blocks; 7. a working chamber; 8. rotating the first rod; 9. a first gear; 10. a limiting rod; 11. an arcuate bar; 12. an arc toothed plate; 13. fixing a rod I; 14. a baffle plate; 15. a moving groove; 16. rotating the second rod; 17. a second gear; 18. a slider; 19. a rectangular toothed plate; 20. a second fixing rod; 21. a rotation chamber; 22. rotating the rod III; 23. a first conical gear; 24. a second bevel gear; 25. a third bevel gear; 26. a bevel gear four; 27. a T-shaped rod; 28. an exhaust fan.

Detailed Description

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, wherein fig. 1 is a schematic side sectional view of a low-voltage draw-out type switch cabinet with a locking function according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; FIG. 3 is an enlarged schematic view of portion B of FIG. 1; FIG. 4 is an enlarged schematic view of a portion C of FIG. 1; fig. 5 is a schematic view, partly in section, of a low-voltage withdrawable switchgear with a blocking function according to the utility model. The low-voltage draw-out type switch cabinet with the locking function comprises a switch cabinet 2 arranged on a workbench 1, wherein two locking mechanisms and a rotating mechanism are arranged on the switch cabinet 2; the locking mechanism comprises a partition plate 3, a push-pull box 4, an installation barrel 5, an installation block 6, a working cavity 7, a rotating rod I8, a gear I9, two arc-shaped through holes, a limiting rod 10, an arc-shaped rod 11, an arc-shaped toothed plate 12, a fixed rod I13, a baffle plate 14, a rubber block I and an auxiliary mechanism, wherein the partition plate 3 is fixedly installed in the switch cabinet 2, the push-pull box 4 is arranged in the switch cabinet 2, one side of the push-pull box 4 extends out of the switch cabinet 2 and is in sliding connection with the switch cabinet 2, the installation barrel 5 is fixedly installed on the inner wall of one side of the switch cabinet 2, the installation block 6 is fixedly installed in the installation barrel 5, the top and the bottom of the installation block 6 both extend out of the installation barrel 5, the working cavity 7 is arranged on the installation block 6, the rotating rod I8 is rotatably installed in the working cavity 7, the gear I9 is fixedly sleeved on the rotating rod I8, the two arc-shaped through holes are respectively formed in the inner walls of the two sides of the working cavity 7, the limiting rod 10 is hinged to the bottom of the mounting block 6, the arc-shaped rod 11 is fixedly mounted on the limiting rod 10, one end of the arc-shaped rod 11 penetrates through the arc-shaped through holes, the arc-shaped rod 11 extends into the working cavity 7, the arc-shaped toothed plate 12 is fixedly mounted on the arc-shaped rod 11, the arc-shaped toothed plate 12 is meshed with the first gear 9, the first fixing rod 13 is fixedly mounted on the outer wall of one side of the push-pull box 4, the first baffle 14 is fixedly mounted on the first fixing rod 13, the first rubber block is fixedly mounted on one side of the first baffle 14, and the first rubber block is in contact with the limiting rod 10;

the auxiliary mechanism comprises a moving groove 15, a rotating rod two 16, a gear two 17, two T-shaped sliding rods, a sliding block 18, a rectangular toothed plate 19, a rectangular through hole I, a fixing rod two 20, a rectangular through hole II and a positioning rod, wherein the moving groove 15 is arranged on the outer wall of one side of the mounting block 6, the rotating rod two 16 is rotatably arranged in the moving groove 15, the gear two 17 is fixedly sleeved on the rotating rod two 16, the two T-shaped sliding rods are fixedly arranged on the mounting barrel 5, the sliding block 18 is slidably arranged on the two T-shaped sliding rods, one side of the sliding block 18 extends into the moving groove 15, the rectangular toothed plate 19 is fixedly arranged on the outer wall of one side of the sliding block 18, the rectangular toothed plate 19 is meshed with the gear two 17, the rectangular through hole I is arranged on the outer wall of one side of the mounting block 6, the fixing rod two 20 is fixedly arranged on the outer wall of one side of the push-pull box 4, two 20 dead lever run through the rectangle opening in the lump with a sliding connection of rectangle opening, two setups of rectangle opening are on two 20 dead lever, locating lever fixed mounting is at the top of sliding block 18, sliding block 18 run through two rectangle openings and with two sliding connection of rectangle opening.

As shown in fig. 5, the rotating mechanism comprises a rotating cavity 21, a third rotating rod 22, a first conical gear 23, a second conical gear 24, a third conical gear 25, a fourth conical gear 26, a fifth conical gear, a motor, a fourth rotating rod and a sixth conical gear, the rotating cavity 21 is arranged on the mounting block 6, the third rotating rod 22 is rotatably arranged in the rotating cavity 21, the bottom end of the third rotating rod 22 extends into the working cavity 7, the top end of the third rotating rod 22 extends into the moving groove 15, the first conical gear 23 is fixedly sleeved on the bottom end of the third rotating rod 22, the second conical gear 24 is fixedly sleeved on the first rotating rod 8, the second conical gear 24 is meshed with the first conical gear 23, the third conical gear 25 is fixedly sleeved on the top end of the third rotating rod 22, the fourth conical gear 26 is fixedly sleeved on the second rotating rod 16, the fourth conical gear 26 is meshed with the third conical gear 25, the bevel gear five is fixedly sleeved on the rotating rod three 22, the motor is fixedly installed on the inner wall of one side of the installation cylinder 5, the rotating rod four is fixedly installed on an output shaft of the motor, the rotating rod four extends into the rotating cavity 21 and is rotatably connected with the installation block 6, the bevel gear six is fixedly installed at one end of the rotating rod four, and the bevel gear six is meshed with the bevel gear five;

through rotating chamber 21, dwang three 22, conical gear 23, conical gear two 24, conical gear three 25, conical gear four 26, conical gear five, motor, dwang four and six mutual cooperations of conical gear, whether form and can lock push-and-pull box 4 through motor indirect control, avoided push-and-pull box 4 can't lock.

As shown in fig. 1 and 4, a T-shaped rod 27 is fixedly mounted on an outer wall of one side of the push-pull box 4, the T-shaped rod 27 extends into the mounting tube 5, and a second rubber block is fixedly mounted on an outer wall of one side of the mounting block 6, and the second rubber block is in contact with the T-shaped rod 27;

through mutual cooperation of T shape pole 27 and rubber block two, form and to control the interval between push-and-pull box 4 and the installation piece 6 through T shape pole 27, avoided the unfixed unable accuracy of interval to carry out the shutting between push-and-pull box 4 and the installation piece 6.

As shown in fig. 1, a third rectangular opening is formed in the outer wall of one side of the switch cabinet 2, a filter screen is fixedly mounted in the third rectangular opening, a mounting box is fixedly mounted on the inner wall of one side of the switch cabinet 2, two air exhaust holes are formed in the outer wall of one side of the mounting box, an exhaust fan 28 is fixedly mounted on the inner wall of one side of the mounting box, and a vent hole is formed in the partition plate 3;

through rectangle opening three, filter screen, mounting box, the hole of airing exhaust, exhaust fan 28 and ventilation hole mutually support, the formation can make the inside air of cubical switchboard 2 circulate through exhaust fan 28, has avoided the unable rapid cooling of circulating of the inside air of cubical switchboard 2.

As shown in fig. 1, an air cooler is fixedly installed at the top of the switch cabinet 2, a connecting pipe is fixedly installed at an air outlet of the air cooler, the bottom end of the connecting pipe extends into the switch cabinet 2, a temperature sensor is fixedly installed on the inner wall of the top of the switch cabinet 2, and a storage battery is fixedly installed on the inner wall of the bottom of the switch cabinet 2;

through temperature sensor, air-cooler, connecting pipe and battery mutually support, the formation can be cooled down when 2 inside high temperatures of cubical switchboard, has avoided 2 inside high temperatures of cubical switchboard to cause the loss to internal device.

As shown in fig. 1, a slide rail is fixedly installed at the top of the partition plate 3, a roller is fixedly installed at the bottom of the push-pull box 4, the roller extends into the slide rail and contacts with the slide rail, a handle is fixedly installed on the outer wall of one side of the push-pull box 4, a button is fixedly installed on the outer wall of one side of the push-pull box 4, and the button is electrically connected with a corresponding motor;

through mutual cooperation of slide rail, gyro wheel, handle and button, form can be more level and smooth take push-and-pull box 4 out from cubical switchboard 2, avoided between push-and-pull box 4 and the cubical switchboard 2 too big difficult taking out of frictional force.

The working principle of the low-voltage draw-out type switch cabinet with the locking function provided by the utility model is as follows:

the first step is as follows: when the push-pull box 4 needs to be opened, the button is firstly pressed, the button starts a corresponding motor, the motor drives a rotating rod four to rotate, the rotating rod four drives a conical gear six to rotate, the conical gear six drives a conical gear five to rotate, the conical gear five drives a rotating rod three 22 to rotate, the rotating rod three 22 drives a conical gear one 23 to rotate, the conical gear one 23 drives a conical gear two 24 to rotate, the conical gear two 24 drives a rotating rod one 8 to rotate, the rotating rod one 8 drives a gear one 9 to rotate, the gear one 9 drives an arc toothed plate 12 to rotate, the arc toothed plate 12 drives an arc toothed rod 11 to rotate, the arc toothed rod 11 drives a limiting rod 10 to rotate, the limiting rod 10 is far away from a baffle 14, meanwhile, the rotating rod three 22 drives a conical gear three 25 to rotate, the conical gear three 25 drives a conical gear four 26 to rotate, the conical gear four 26 drives a rotating rod two 16 to rotate, the rotating rod two 16 drives a gear two 17 to rotate, the second gear 17 drives the rectangular toothed plate 19 to move, the rectangular toothed plate 19 drives the sliding block 18 to move, the sliding block 18 drives the positioning rod to be away from the second rectangular through hole, the sliding block 18 cannot deviate due to the limiting of the two T-shaped sliding rods, meanwhile, due to the contact of the T-shaped rods 27 and the second rubber block, the second rectangular through hole and the positioning rod can be located on the same vertical line, and finally, the handle is pulled in the direction away from the switch cabinet 2, so that the push-pull box 4 can be pulled out of the switch cabinet 2, the work of opening the push-pull box 4 is completed, and if the reverse operation is required to be closed;

the second step is as follows: detect 2 inside temperatures of cubical switchboard higher as temperature sensor, when needing to cool down 2 insides of cubical switchboard, at first open the air-cooler, the air-cooler passes through the connecting pipe with air conditioning and flows into cubical switchboard 2 in, then start exhaust fan 28, exhaust fan 28 takes out 2 inside air of cubical switchboard outside cubical switchboard 2, makes air conditioning circulate inside cubical switchboard 2, realizes cooling down 2 insides of whole cubical switchboard.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the settings of the power mechanism, the power supply system, the control system, and the like of the device are not completely described and clear, and on the premise that the skilled person understands the principle of the utility model, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments, without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents, as used in the related art, and all of which are intended to be encompassed by the present invention.

Claims

1. The low-voltage draw-out type switch cabinet with the locking function is characterized by comprising a switch cabinet arranged on a workbench, wherein two locking mechanisms and a rotating mechanism are arranged on the switch cabinet;

the locking mechanism comprises a partition plate, a push-pull box, an installation barrel, an installation block, a working cavity, a first rotating rod, a first gear, two arc-shaped through holes, a limiting rod, an arc-shaped toothed plate, a first fixing rod, a baffle plate, a first rubber block and an auxiliary mechanism, wherein the partition plate is fixedly installed in the switch cabinet, the push-pull box is arranged in the switch cabinet, one side of the push-pull box extends out of the switch cabinet and is in sliding connection with the switch cabinet, the installation barrel is fixedly installed on the inner wall of one side of the switch cabinet, the installation block is fixedly installed in the installation barrel, the top and the bottom of the installation block both extend out of the installation barrel, the working cavity is arranged on the installation block, the rotating rod is rotatably installed in the working cavity, the first gear is fixedly sleeved on the first rotating rod, the two arc-shaped through holes are respectively arranged on the inner walls of two sides of the working cavity, the limiting rod is hinged and installed at the bottom of the installation block, the arc-shaped rod is fixedly installed on the limiting rod, one end of the arc-shaped rod penetrates through the arc-shaped through hole, the arc-shaped rod extends into the working cavity, the arc-shaped toothed plate is fixedly installed on the arc-shaped rod, the arc-shaped toothed plate is meshed with the first gear, the first fixing rod is fixedly installed on the outer wall of one side of the push-pull box, the first baffle is fixedly installed on the first fixing rod, the first rubber block is fixedly installed on one side of the first baffle, and the first rubber block is in contact with the limiting rod;

2. The low voltage draw out switchgear with lockout function of claim 1, wherein: the rotating mechanism comprises a rotating cavity, a third rotating rod, a first conical gear, a second conical gear, a third conical gear, a fourth conical gear, a fifth conical gear, a motor, a fourth rotating rod and a sixth conical gear, the rotating cavity is formed in the mounting block, the third rotating rod is rotatably mounted in the rotating cavity, the bottom end of the third rotating rod extends into the working cavity, the top end of the third rotating rod extends into the moving groove, the first conical gear is fixedly sleeved at the bottom end of the third rotating rod, the second conical gear is fixedly sleeved on the first rotating rod, the second conical gear is meshed with the first conical gear, the third conical gear is fixedly sleeved at the top end of the third rotating rod, the fourth conical gear is fixedly sleeved on the second rotating rod, the fourth conical gear is meshed with the third conical gear, the fifth conical gear is fixedly sleeved on the third rotating rod, and the motor is fixedly mounted on the inner wall of one side of the mounting cylinder, four fixed mounting of dwang are on the output shaft of motor, four extension system of dwang rotate the intracavity and rotate with the installation piece and be connected, six fixed mounting in the one end of dwang four of bevel gear, six and the meshing of bevel gear five.

3. The low voltage draw out switchgear with lockout function of claim 1, wherein: the push-pull box is characterized in that a T-shaped rod is fixedly mounted on the outer wall of one side of the push-pull box, the T-shaped rod extends into the installation cylinder, a rubber block II is fixedly mounted on the outer wall of one side of the installation block, and the rubber block II is in contact with the T-shaped rod.

4. The low voltage draw out switchgear with lockout function of claim 1, wherein: the utility model discloses a switch cabinet, including cubical switchboard, switch cabinet, filter screen, mounting box, two exhaust holes, exhaust fan, ventilation hole have been seted up on the baffle, rectangle opening three has been seted up on one side outer wall of switch cabinet, fixed mounting has the filter screen in the rectangle opening three, fixed mounting has the mounting box on one side inner wall of switch cabinet, two exhaust holes have been seted up on one side outer wall of mounting box, one side inner wall fixed mounting of mounting box has exhaust fan, the ventilation hole has been seted up on the baffle.

5. The low voltage draw out switchgear with lockout function of claim 1, wherein: the top fixed mounting of cubical switchboard has the air-cooler, the air outlet fixed mounting of air-cooler has the connecting pipe, the bottom of connecting pipe extends to in the cubical switchboard, fixed mounting has temperature sensor on the top inner wall of cubical switchboard, fixed mounting has the battery on the bottom inner wall of cubical switchboard.

6. The low voltage draw out switchgear with lockout function of claim 1, wherein: the top fixed mounting of baffle has the slide rail, the bottom fixed mounting who pushes away and draws the box has the gyro wheel, the gyro wheel extends to in the slide rail and contacts with the slide rail, fixed mounting has the handle on the outer wall of one side of pushing away and drawing the box, fixed mounting has the button on the outer wall of one side of pushing away and drawing the box, button and the motor electric connection who corresponds.