CN216362398U

CN216362398U - Environmental protection electromechanical device dust keeper

Info

Publication number: CN216362398U
Application number: CN202123023831.5U
Authority: CN
Inventors: 蔡志伟; 谢志全; 张合明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-22
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses an environment-friendly electromechanical equipment dustproof device which comprises a protection box, wherein a rectangular through hole is formed in the middle of the inner bottom wall of the protection box, a rectangular frame is fixedly connected to the outer side of the upper surface of the rectangular through hole, a mounting frame is connected to the inner portion of the bottom end of the rectangular through hole in a sliding mode, the bottom end of the mounting frame is located below the protection box, lug plates are fixedly connected to the middle of the four side faces of the bottom end of the mounting frame, an arc-shaped groove is formed in the lower surface of each lug plate, the arc-shaped portion of each arc-shaped groove is close to the mounting frame, a limiting hole is formed in the middle of the inner top wall of each arc-shaped groove, and a first filter screen is mounted inside the mounting frame through screws. According to the environment-friendly dustproof device for the electromechanical equipment, dust is prevented from accumulating on the electromechanical equipment by matching the rectangular frame, the mounting plate, the first filter screen, the heat dissipation fan and the second filter screen, and the environment-friendly dustproof device for the electromechanical equipment is beneficial to cooling in the protection box and the electromechanical equipment.

Description

Environmental protection electromechanical device dust keeper

Technical Field

The utility model relates to the field of dustproof devices of electromechanical equipment, in particular to a dustproof device of environment-friendly electromechanical equipment.

Background

Energy-concerving and environment-protective electromechanical device has very big rate of utilization in present production operation, and energy-concerving and environment-protective equipment compares with traditional equipment, can add the energy saving of degree, and has better environmental protection performance, more is favorable to protecting the natural environment.

However, energy-saving and environment-friendly electromechanical equipment is prone to dust falling, so that the interior of the electromechanical equipment is protected from dust falling through a related electromechanical dustproof device, the traditional dustproof device is troublesome in cleaning a filter screen inside the electromechanical equipment and inconvenient to clean and replace the filter screen, meanwhile, excessive dust accumulated on the electromechanical equipment is prone to poor heat dissipation of the electromechanical equipment, the electromechanical equipment is overheated to stop working, and even the electromechanical equipment is damaged, and therefore the dustproof device for the environment-friendly electromechanical equipment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an environment-friendly electromechanical device dustproof device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

an environment-friendly electromechanical device dustproof device comprises a protection box, wherein a rectangular through hole is formed in the middle of the inner bottom wall of the protection box, a rectangular frame is fixedly connected to the outer side of the upper surface of the rectangular through hole, a mounting frame is slidably connected to the inner side of the bottom end of the rectangular through hole, the bottom end of the mounting frame is located below the protection box, ear plates are fixedly connected to the middle of four side surfaces of the bottom end of the mounting frame, an arc-shaped groove is formed in the lower surface of each ear plate, the arc-shaped part of the arc-shaped groove is close to the mounting frame, a limiting hole is formed in the middle of the inner top wall of the arc-shaped groove, a first filter screen is mounted in the mounting frame through screws, a limiting assembly is arranged on the lower surface of the protection box and in a position corresponding to the ear plates, a circular hole is formed in the inner top wall of the protection box, a fixing barrel is fixedly connected to the outer side of the upper surface of the circular hole, and a radiating fan is fixedly mounted in the fixing barrel through a connecting rod, the utility model discloses a protection box, including a fixed cylinder, a protection box, a heat dissipation fan, a filter screen, a heat dissipation fan, a filter screen, a heat dissipation channel, the heat of protection box inside can be discharged through the fixed cylinder with the heat dissipation fan, the inside atmospheric pressure difference that forms with the outside of protection box simultaneously, outside air gets into the protection box through a filter screen, so circulate can be fast effectual take away the heat that electromechanical device produced, and reduce the inside temperature of protection box, a filter screen and No. two filter screens can avoid outside dust debris to carry out the protection incasement simultaneously.

The utility model is further improved in that the middles of the front side and the rear side of the upper surface of the rectangular frame are respectively provided with a dovetail groove, the insides of the two dovetail grooves are respectively connected with two dovetail blocks in a sliding manner, the tops of the front dovetail block and the rear dovetail block which are opposite to each other are fixedly connected with the same mounting plate, the side walls of the two ends of each dovetail groove are fixedly connected with return springs, the other ends of the return springs are fixedly connected with the corresponding dovetail blocks, and the middles of the mounting plates are uniformly provided with a plurality of threaded holes.

The utility model is further improved in that the limiting assembly comprises an L-shaped block, a hinge column, a connecting column and a limiting box, the middle part of one end of the L-shaped block is hinged with the bottom of the protection box through the hinge column, one end of the connecting column is fixedly connected with the lower surface of the other end of the L-shaped block, one side of the limiting box is fixedly connected with the other end of the connecting column, the upper surface of the limiting box is in sliding connection with the lower surface of the ear plate, the limiting box is pushed to move, and the limiting box can move the connecting column and the L-shaped block to move around the hinge column base in a circular mode under the connection of the hinge column.

The utility model is further improved in that a circular plate is connected inside the top end of the limiting box in a sliding manner, a clamping column matched with the limiting hole is fixedly connected to the middle part of the upper surface of the circular plate, one end, far away from the circular plate, of the clamping column penetrates through the middle part of the inner top wall of the limiting box and extends to the inside of the limiting hole, the clamping column is connected with the limiting box and the limiting hole in a sliding manner, a connecting rod is fixedly connected to the middle part of the lower surface of the circular plate, one end, far away from the circular plate, of the connecting rod penetrates through the inner bottom wall of the limiting box and extends to the outside, a pull block is fixedly connected to the extending end of the connecting rod, a spring is sleeved outside the connecting rod, and two ends of the spring are respectively fixedly connected with the circular plate and the inner bottom wall of the limiting box, so that when a filter screen is disassembled and cleaned, the pull block is pulled, the connecting rod drives the connecting rod to move downwards, the circular plate is driven by the connecting rod to move downwards and extrude the spring, the connecting rod drives the clamping column to move downwards and separate from the limiting hole, so that the lug plate loses limiting.

The utility model has the further improvement that the connecting rod is connected with the limiting box in a sliding manner, the upper surface of the pulling block is contacted with the lower surface of the limiting box, one end of the clamping column, which is far away from the circular plate, is provided with a round angle, the clamping column is matched with the arc-shaped groove and is connected with the arc-shaped groove in a sliding manner, the motion trail of the clamping column is the same as the path of the arc-shaped groove, the clamping column is convenient to adjust due to the arrangement, and the round angle can enable the clamping column to smoothly enter the arc-shaped groove

The utility model has the further improvement that the four corners of the lower surface of the protection box are fixedly connected with support columns, one side of the protection box is hinged with a box door, and the back of the box door is fixedly connected with a sealing strip.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the matching use of the rectangular frame, the mounting plate, the first filter screen, the heat dissipation fan and the second filter screen, the mounting plate can be moved, the mounting plate drives the dovetail block to slide in the dovetail groove, meanwhile, the dovetail block extrudes the reset spring, electromechanical equipment with different sizes can be mounted on the mounting plate through bolts, meanwhile, the first filter screen is opposite to the electromechanical equipment and the heat dissipation fan, the rectangular frame forms an air guide channel, the heat dissipation fan can discharge the heat in the protection box through the fixing cylinder, meanwhile, the pressure difference is formed between the inside and the outside of the protection box, the outside air enters the protection box through the first filter screen, the heat generated by the electromechanical equipment can be taken away quickly and effectively by the circulation, the temperature in the protection box is reduced, meanwhile, the first filter screen and the second filter screen can prevent dust and sundries outside from being protected in the protection box, and therefore, the temperature of the electromechanical equipment is reduced, but also to avoid dust accumulation on the electromechanical device.

2. Through the matching use of the mounting frame, the ear plate, the first filter screen and the limiting component, when the first filter screen is disassembled and cleaned, the pulling block is pulled to drive the connecting rod to move downwards, the connecting rod drives the circular plate to move downwards and extrude the spring, the connecting rod drives the clamping column to move downwards and separate from the limiting hole, and pushes the limiting box to one side, under the connection of articulated post, can make spacing cassette move spliced pole and L type piece around articulated post seat circular motion, make card post and spacing hole dislocation and enter into the arc wall, loosen and draw the piece to make the card post reset and with the interior roof contact of arc wall under the effect of spring, continue to promote spacing box and make spacing box drive card post and move in the arc wall, break away from the otic placode until spacing box and card post, rectangular through hole can be taken out to mounting bracket and filter screen this moment, can be swift like this pull down a filter screen and clear up, high durability and convenient use.

Drawings

Fig. 1 is a schematic overall structure diagram of a dustproof device for an environmental protection electromechanical device according to the present invention.

Fig. 2 is a schematic right sectional view of the dustproof apparatus for an environmental protection electromechanical device according to the present invention.

Fig. 3 is a schematic view of a connection three-dimensional structure of a limiting assembly and a mounting bracket of the dust-proof device of the environmental protection electromechanical device of the present invention.

Fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 of the dust-proof device of the environmental protection electromechanical device of the present invention.

In the figure: 1. a protection box; 101. a support pillar; 102. a box door; 103. a sealing strip; 2. a rectangular frame; 201. a dovetail groove; 202. mounting a plate; 3. a mounting frame; 301. an ear plate; 302. an arc-shaped slot; 303. a first filter screen; 4. an L-shaped block; 401. a hinged column; 402. connecting columns; 403. a limiting box; 404. a circular plate; 405. clamping the column; 406. a connecting rod; 407. a spring; 408. pulling the block; 5. a fixed cylinder; 501. a heat dissipation fan; 502. and a second filter screen.

Detailed Description

In order to make the technical means, the original characteristics, the achieved objects and the functions of the present invention easy to understand, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus not be construed as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The utility model will be further illustrated with reference to specific embodiments.

Example 1

As shown in fig. 1-4, an environmental protection electromechanical device dust-proof device comprises a protection box 1, a rectangular through hole is formed in the middle of the inner bottom wall of the protection box 1, a rectangular frame 2 is fixedly connected to the outer side of the upper surface of the rectangular through hole, a mounting frame 3 is slidably connected to the inner side of the bottom end of the rectangular through hole, the bottom end of the mounting frame 3 is located below the protection box 1, ear plates 301 are fixedly connected to the middle of four side surfaces of the bottom end of the mounting frame 3, an arc-shaped groove 302 is formed in the lower surface of each ear plate 301, the arc-shaped part of each arc-shaped groove 302 is close to the mounting frame 3, a limiting hole is formed in the middle of the inner top wall of each arc-shaped groove 302, a first filter screen 303 is mounted inside the mounting frame 3 through screws, a limiting component is arranged on the lower surface of the protection box 1 and at a position corresponding to the ear plates 301, a circular hole is formed in the inner top wall of the protection box 1, and a fixing cylinder 5 is fixedly connected to the outer side of the upper surface of the circular hole, a heat dissipation fan 501 is fixedly installed inside the fixed cylinder 5 through a connecting rod, and a second filter screen 502 is fixedly installed inside the top end of the fixed cylinder 5 through a screw; dovetail grooves 201 are formed in the middle portions of the front side and the rear side of the upper surface of the rectangular frame 2, two dovetail blocks are connected inside the two dovetail grooves 201 in a sliding mode, the tops of the front dovetail block and the rear dovetail block which are opposite to each other are fixedly connected with the same mounting plate 202, the side walls of the two ends of each dovetail groove 201 are fixedly connected with a return spring, the other end of each return spring is fixedly connected with the corresponding dovetail block, and a plurality of threaded holes are uniformly formed in the middle portion of each mounting plate 202; the equal fixedly connected with support column 101 in lower surface four corners department of guard box 1, one side of guard box 1 articulates there is chamber door 102, the back fixedly connected with sealing strip 103 of chamber door 102.

The embodiment can realize that: through the matching use of the rectangular frame 2, the mounting plate 202, the first filter screen 303, the heat dissipation fan 501 and the second filter screen 502, the mounting plate 202 can be moved, the mounting plate 202 drives the dovetail block to slide in the dovetail groove 201, meanwhile, the dovetail block extrudes the reset spring, electromechanical devices with different sizes can be mounted on the mounting plate 202 through bolts, meanwhile, the first filter screen 303 is opposite to the electromechanical devices and the heat dissipation fan 501, the rectangular frame 2 forms an air guide channel, the heat dissipation fan 501 can discharge the heat in the protection box 1 through the fixing cylinder 5, meanwhile, the air pressure difference is formed between the inside and the outside of the protection box 1, the outside air enters the protection box 1 through the first filter screen 303, the circulation can quickly and effectively take away the heat generated by the electromechanical devices, the temperature in the protection box 1 is reduced, meanwhile, the first filter screen 303 and the second filter screen 502 can prevent dust and sundries outside from being protected in the protection box 1, thereby not only reducing the temperature of the electromechanical device, but also avoiding dust accumulation on the electromechanical device.

Example 2

As shown in fig. 1-4, an environmental protection electromechanical device dust-proof device comprises a protection box 1, a rectangular through hole is formed in the middle of the inner bottom wall of the protection box 1, a rectangular frame 2 is fixedly connected to the outer side of the upper surface of the rectangular through hole, a mounting frame 3 is slidably connected to the inner side of the bottom end of the rectangular through hole, the bottom end of the mounting frame 3 is located below the protection box 1, ear plates 301 are fixedly connected to the middle of four side surfaces of the bottom end of the mounting frame 3, an arc-shaped groove 302 is formed in the lower surface of each ear plate 301, the arc-shaped part of each arc-shaped groove 302 is close to the mounting frame 3, a limiting hole is formed in the middle of the inner top wall of each arc-shaped groove 302, a first filter screen 303 is mounted inside the mounting frame 3 through screws, a limiting component is arranged on the lower surface of the protection box 1 and at a position corresponding to the ear plates 301, a circular hole is formed in the inner top wall of the protection box 1, and a fixing cylinder 5 is fixedly connected to the outer side of the upper surface of the circular hole, a heat dissipation fan 501 is fixedly installed inside the fixed cylinder 5 through a connecting rod, and a second filter screen 502 is fixedly installed inside the top end of the fixed cylinder 5 through a screw; dovetail grooves 201 are formed in the middle portions of the front side and the rear side of the upper surface of the rectangular frame 2, two dovetail blocks are connected inside the two dovetail grooves 201 in a sliding mode, the tops of the front dovetail block and the rear dovetail block which are opposite to each other are fixedly connected with the same mounting plate 202, the side walls of the two ends of each dovetail groove 201 are fixedly connected with a return spring, the other end of each return spring is fixedly connected with the corresponding dovetail block, and a plurality of threaded holes are uniformly formed in the middle portion of each mounting plate 202; the upper surface of the ear plate 301 is in contact with the lower surface of the protection box 1, slopes are arranged at two ends of the arc-shaped groove 302, and an angle between each slope and the lower surface of the protection box 1 is forty-five degrees; the limiting assembly comprises an L-shaped block 4, a hinge column 401, a connecting column 402 and a limiting box 403, the middle of one end of the L-shaped block 4 is hinged with the bottom of the protection box 1 through the hinge column 401, one end of the connecting column 402 is fixedly connected with the lower surface of the other end of the L-shaped block 4, one side of the limiting box 403 is fixedly connected with the other end of the connecting column 402, and the upper surface of the limiting box 403 is in sliding connection with the lower surface of the ear plate 301; a circular plate 404 is connected to the inside of the top end of the limiting box 403 in a sliding manner, a clamping column 405 matched with the limiting hole is fixedly connected to the middle of the upper surface of the circular plate 404, one end, far away from the circular plate 404, of the clamping column 405 penetrates through the middle of the inner top wall of the limiting box 403 and extends to the inside of the limiting hole, the clamping column 405 is connected with the limiting box 403 and the limiting hole in a sliding manner, a connecting rod 406 is fixedly connected to the middle of the lower surface of the circular plate 404, one end, far away from the circular plate 404, of the connecting rod 406 penetrates through the inner bottom wall of the limiting box 403 and extends to the outside, a pull block 408 is fixedly connected to the extending end of the connecting rod 406, a spring 407 is sleeved on the outside of the connecting rod 406, and two ends of the spring 407 are respectively fixedly connected with the circular plate 404 and the inner bottom wall of the limiting box 403; the connecting rod 406 is connected with the limiting box 403 in a sliding manner, the upper surface of the pull block 408 is in contact with the lower surface of the limiting box 403, one end of the clamping column 405, which is far away from the circular plate 404, is provided with a round angle, the clamping column 405 is matched with the arc-shaped groove 302, the clamping column 405 is connected with the arc-shaped groove 302 in a sliding manner, and the motion track of the clamping column 405 is the same as the path of the arc-shaped groove 302; the equal fixedly connected with support column 101 in lower surface four corners department of guard box 1, one side of guard box 1 articulates there is chamber door 102, the back fixedly connected with sealing strip 103 of chamber door 102.

The embodiment can realize that: through the matching use of the mounting frame 3, the ear plate 301, the first filter screen 303 and the limiting component, when the first filter screen 303 is disassembled and cleaned, the pulling block 408 is pulled, the pulling block 408 drives the connecting rod 406 to move downwards, the connecting rod 406 drives the circular plate 404 to move downwards and extrude the spring 407, the connecting rod 406 drives the clamping column 405 to move downwards and separate from the limiting hole, and pushes the limiting box 403 to one side, under the connection of the hinge column 401, the limiting box 403 can drive the connecting column 402 and the L-shaped block 4 to move around the seat of the hinge column 401, so that the clamping column 405 is dislocated with the limiting hole and enters the arc-shaped groove 302, the pulling block 408 is released to reset the clamping column 405 and contact with the inner top wall of the arc-shaped groove 302 under the action of the spring 407, the limiting box 403 is continuously pushed to drive the clamping column 405 to move in the arc-shaped groove 302 until the limiting box 403 and the clamping column 405 separate from the ear plate 301, and at this time, the mounting frame 3 and the first filter screen 303 can be drawn out of the rectangular through hole, can be swift like this pull down the clearance with a filter screen 303, it is simple to use.

It should be noted that, the utility model is an environment-friendly electromechanical device dustproof device, when in use, the mounting plate 202 can be moved, the mounting plate 202 drives the dovetail block to slide in the dovetail groove 201, electromechanical devices with different sizes can be mounted on the mounting plate 202 through bolts, meanwhile, the first filter screen 303 is opposite to the electromechanical devices and the heat dissipation fan 501, the rectangular frame 2 forms an air guide channel, the heat dissipation fan 501 can discharge heat inside the protection box 1 through the fixed cylinder 5, meanwhile, an air pressure difference is formed between the inside and the outside of the protection box 1, outside air enters the protection box 1 through the first filter screen 303, the circulation can quickly and effectively take away heat generated by the electromechanical devices, the temperature inside the protection box 1 is reduced, meanwhile, the first filter screen 303 and the second filter screen 502 can prevent external dust and sundries from entering the protection box 1, thereby not only reducing the temperature of the electromechanical devices, and dust is prevented from accumulating on the electromechanical device, when the first filter screen 303 is disassembled and cleaned, the pull block 408 is pulled, the pull block 408 drives the connecting rod 406 to move downwards, the connecting rod 406 drives the circular plate 404 to move downwards and extrude the spring 407, the connecting rod 406 drives the clamping column 405 to move downwards and separate from the limiting hole, the limiting box 403 is pushed to one side, under the connection of the hinge column 401, the limiting box 403 can drive the connecting column 402 and the L-shaped block 4 to move around the seat of the hinge column 401, the clamping column 405 is dislocated with the limiting hole and enters the arc-shaped groove 302, the clamping column 405 is reset and is contacted with the inner top wall of the arc-shaped groove 302 under the action of the spring 407 by loosening the pull block 408, the limiting box 403 is continuously pushed to drive the clamping column 405 to move in the arc-shaped groove 302 until the limiting box 403 and the clamping column 405 separate from the lug plate 301, and at this time, the mounting rack 3 and the first filter screen 303 can be drawn out of the rectangular through hole.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an environmental protection electromechanical device dust keeper, includes guard box (1), its characterized in that: the protective box comprises a protective box (1), and is characterized in that a rectangular through hole is formed in the middle of the inner bottom wall of the protective box (1), a rectangular frame (2) is fixedly connected to the outer side of the upper surface of the rectangular through hole, a mounting frame (3) is slidably connected to the inner side of the bottom of the rectangular through hole, the bottom end of the mounting frame (3) is located below the protective box (1), lug plates (301) are fixedly connected to the middle parts of four side surfaces of the bottom end of the mounting frame (3), an arc-shaped groove (302) is formed in the lower surface of each lug plate (301), the arc-shaped part of each arc-shaped groove (302) is close to the mounting frame (3), a limiting hole is formed in the middle of the inner top wall of each arc-shaped groove (302), a first filter screen (303) is installed in the mounting frame (3) through screws, a limiting component is arranged on the lower surface of the protective box (1) and the position corresponding to each lug plate (301), and a circular hole is formed in the inner top wall of the protective box (1), and the upper surface outside fixedly connected with solid fixed cylinder (5) of circular port, the inside of solid fixed cylinder (5) has heat dissipation fan (501) through connecting rod fixed mounting, the top of solid fixed cylinder (5) is inside to have No. two filter screens (502) through screw fixed mounting.

2. The environmental protection electromechanical device dustproof device according to claim 1, wherein: dovetail (201), two have all been seted up at both sides middle part around rectangle frame (2) upper surface the equal sliding connection in inside of dovetail (201) has two dovetail blocks, and the same mounting panel (202) of top fixedly connected with of relative dovetail block around and, the both ends lateral wall fixedly connected with reset spring of dovetail (201), and reset spring's the other end and corresponding dovetail block fixed connection, a plurality of screw holes have evenly been seted up at the middle part of mounting panel (202).

3. The environmental protection electromechanical device dustproof device according to claim 1, wherein: the upper surface of otic placode (301) and the lower surface contact of guard box (1), the slope has all been opened at the both ends of arc wall (302), and the angle between the lower surface of slope and guard box (1) is forty-five degrees.

4. The environmental protection electromechanical device dustproof device according to claim 1, wherein: spacing subassembly includes L type piece (4), articulated column (401), spliced pole (402) and spacing box (403), the one end middle part of L type piece (4) is articulated mutually through articulated column (401) and guard box (1), the one end of spliced pole (402) and the other end lower fixed surface of L type piece (4) are connected, the one side of spacing box (403) and the other end fixed connection of spliced pole (402), the upper surface of spacing box (403) is sliding connection with the lower surface of otic placode (301).

5. The environmental protection electromechanical device dustproof device according to claim 4, wherein: a circular plate (404) is connected inside the top end of the limiting box (403) in a sliding manner, a clamping column (405) matched with the limiting hole is fixedly connected to the middle part of the upper surface of the circular plate (404), one end of the clamping column (405) far away from the circular plate (404) penetrates through the middle part of the inner top wall of the limiting box (403) and extends to the inside of the limiting hole, the clamping column (405) is connected with the limiting box (403) and the limiting hole in a sliding manner, the middle part of the lower surface of the circular plate (404) is fixedly connected with a connecting rod (406), one end of the connecting rod (406) far away from the circular plate (404) penetrates through the inner bottom wall of the limiting box (403) and extends to the outside, a pull block (408) is fixedly connected with the extending end of the connecting rod (406), a spring (407) is sleeved outside the connecting rod (406), and two ends of the spring (407) are respectively fixedly connected with the round plate (404) and the inner bottom wall of the limiting box (403).

6. The environmental protection electromechanical device dustproof device according to claim 5, wherein: the connecting rod (406) is sliding connection with the limiting box (403), the upper surface of the pulling block (408) is in contact with the lower surface of the limiting box (403), one end, away from the circular plate (404), of the clamping column (405) is provided with a round angle, the clamping column (405) is matched with the arc-shaped groove (302), the clamping column (405) is in sliding connection with the arc-shaped groove (302), and the movement track of the clamping column (405) is the same as the path of the arc-shaped groove (302).

7. The environmental protection electromechanical device dustproof device according to claim 1, wherein: the protective box is characterized in that supporting columns (101) are fixedly connected to four corners of the lower surface of the protective box (1), a box door (102) is hinged to one side of the protective box (1), and a sealing strip (103) is fixedly connected to the back of the box door (102).