CN213755338U - Protective electrical cabinet - Google Patents

Abstract

The utility model discloses a protective electrical cabinet, concretely relates to regulator cubicle technical field, including base and shell, the top fixedly connected with shell of base, the both sides of shell are provided with protective structure respectively, the inside fixedly connected with mounting bracket of inner room, the inside both sides difference fixedly connected with of mounting bracket four group's mount pads. The utility model discloses an when receiving the striking in the outside of shell, backplate among the protective structure that the shell both sides set up can contact striking pressurized inward movement, the movable rod of backplate one side top and bottom can inward movement, the outside first compression spring of movable rod can be cushioned pressure by the inward compression, the terminal fixed thrust piece of movable rod can inward movement in the preformed groove, first compression spring drives movable rod and backplate and returns the normal position after the pressure-bearing finishes, the thrust piece of movable rod one side can block and carry out spacingly in one side of stopper, the purpose of protecting the outside of switch board has been reached.

Description

Protective electrical cabinet

Technical Field

The utility model relates to an electrical cabinet technical field specifically is a protective electrical cabinet.

Background

The regulator cubicle is a metal protection cabinet body that is formed by steel processing for the installation and the placing of precision control instrument such as electrical equipment to in overhaul and guarantee the multiple functions such as the operation stability and the safety of equipment, by wide application in fields such as electric power system and traffic industry.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional protective electrical cabinet lacks the function of dehumidifying the interior, and too much moisture easily causes the dangers of short circuit of internal electrical element lines, rusting of parts and the like;

(2) the conventional protective electrical cabinet is provided with or not provided with a protective structure at the outside, corners and internal electrical appliance element parts are easily damaged due to external collision, and a main body is damaged;

(3) traditional protective electrical cabinet is not convenient for carry on dustproof to inside when ventilating to inside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protective electrical cabinet to provide the problem that lacks the function that dehumidifies to the electrical cabinet inside in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protective electrical cabinet comprises a base and a shell, wherein the shell is fixedly connected with the top end of the base, the two sides of the shell are respectively provided with a protective structure, the interior of the shell is fixedly connected with an inner chamber, the inner part of the inner chamber is fixedly connected with a mounting rack, two sides of the inner part of the mounting rack are respectively and fixedly connected with four groups of mounting seats, a bearing plate is respectively arranged between the mounting seats, a dust removing structure is arranged at the top end inside the inner chamber, the two sides of the top end of the shell are respectively provided with a vent, the top end of the shell is provided with an air duct, the bottom ends of the two sides of the air duct are respectively and fixedly connected with the top end of the vent, the top end of the air duct is fixedly connected with a communicating pipe, an air inlet preventing fan is fixedly connected to the top end inside the communicating pipe, waterproof layers are respectively arranged inside the bottom ends of the two sides of the air channel, and dehumidifying mechanisms are respectively arranged on the two sides inside the shell;

dehumidification mechanism includes the installing frame, the installing frame is fixed connection in the inside both sides of shell respectively, inside top and the bottom of installing frame are fixedly connected with fixing base respectively, the inside of fixing base is provided with the spout respectively, the inside of installing frame is provided with the dustcoat respectively, the top and the bottom of dustcoat are fixedly connected with slider respectively, the inside of dustcoat is provided with the silica gel granule that discolours respectively, the outside of dustcoat is fixedly connected with through-hole respectively, the both sides of the inside one end bottom of inner room are fixedly connected with fan respectively.

Preferably, the sliding blocks are respectively embedded in the sliding grooves, the through holes are respectively arranged in multiple groups at equal intervals outside the outer cover, and the outer cover is symmetrically distributed relative to the vertical center line of the inner chamber.

Preferably, protective structure comprises preformed groove, movable rod, first compression spring, stopper, backplate and thrust block, the backplate sets up the both sides at the shell respectively, the top and the bottom of backplate one side are fixedly connected with movable rod respectively, the outside of movable rod is provided with first compression spring respectively, the preformed groove is fixed connection respectively in the inside of shell both sides top and bottom, one side fixedly connected with stopper of preformed groove inside, one side and the fixedly connected with thrust block of stopper are run through to the opposite side of movable rod, one side of first compression spring respectively with one side fixed connection of backplate, the opposite side of first compression spring respectively with the top and the bottom fixed connection of shell one side.

Preferably, the outer diameter of the thrust block is smaller than the inner diameter of the reserved groove, and a sliding structure is formed between the reserved groove and the thrust block.

Preferably, dust removal structure comprises intake stack, outrigger, filter screen, fixed foot, inner chamber, second compression spring and separation blade, intake stack fixed connection is on the top of shell, outrigger fixed connection is on the inside top of inner room, the fixed foot of fixedly connected with respectively is distinguished to the inside both sides of outrigger, the inside difference fixedly connected with inner chamber of fixed foot, the inside one side difference fixedly connected with second compression spring of inner chamber, fixedly connected with separation blade respectively is distinguished to the opposite side of second compression spring, the inside of outrigger is provided with the filter screen, inlay the inside at the inner chamber respectively in the both sides of filter screen.

Preferably, the interior of the air inlet tank is communicated with the interior of the outer frame, and the outer frame is communicated with the interior of the inner chamber.

Compared with the prior art, the beneficial effects of the utility model are that: the protective electrical cabinet not only realizes dehumidification of the interior of the control cabinet and protection of the exterior of the control cabinet, but also realizes dust prevention when ventilation is carried out in the control cabinet;

(1) by arranging the fan, the sliding groove, the fixed seat, the sliding block, the through hole, the allochroic silicagel particles, the mounting frame and the outer cover, in the use process of the protective electrical cabinet, the interior of the electrical cabinet can cause too much moisture in the shell and the interior of the inner chamber due to long-term overcast and rainy weather outside, and the danger of short circuit caused to circuits of internal electrical elements is easy to cause, in the dehumidification mechanisms arranged at two sides inside the shell, the allochroic silicagel particles arranged in the outer cover fixed at two sides inside the shell in the mounting frame can absorb and absorb the moisture in the shell and the interior of the inner chamber through a plurality of groups of through holes fixedly connected with the exterior of the outer cover at equal intervals, when the color of the allochroic silicagel particles in the shell is changed from blue to red after being used for a period of time, the outer cover needs to be replaced in time, the sliding block with the top end and the bottom end fixed in the sliding groove inside the fixed seat in the mounting frame, the outer cover is taken out integrally, the color-changing silica gel particles in the outer cover are replaced, and meanwhile, the moisture in the outer cover can be extracted and discharged periodically through the two groups of fans arranged at the bottom end of one end in the outer shell, so that the aim of dehumidifying the inside in the use process of the control cabinet is fulfilled;

(2) by arranging the preformed groove, the movable rod, the first compression spring, the limiting block, the guard plate and the thrust block, when the outside of the shell is impacted, the guard plates in the protective structures arranged on two sides of the shell can be contacted, impacted and move inwards, the movable rods at the top end and the bottom end of one side of the guard plate can move inwards, the first compression spring outside the movable rod can be compressed inwards to buffer the pressure, the thrust block fixed at the tail end of the movable rod can move inwards in the preformed groove, the first compression spring drives the movable rod and the guard plate to return to the original position after the pressure bearing is finished, the thrust block on one side of the movable rod can be clamped on one side of the limiting block to limit, and the purpose of protecting the outside of the control cabinet is achieved;

by arranging the air inlet groove, the outer frame, the filter screen, the fixing feet, the inner cavity, the second compression spring and the blocking piece, when the interior of the electric cabinet is ventilated and radiated, the air inlet preventing fan inside the communicating pipe is started to pass through the ventilation openings arranged on the two sides of the top end of the shell and the air channel communicated between the ventilation openings, so that the interior of the shell and the interior of the inner chamber and the exterior of the electric cabinet are ventilated, and meanwhile, the arrangement of the inner waterproof layers on the bottom ends of the two sides of the air channel can effectively prevent rainwater or oblique wind from invading into the interior of the shell of the electric cabinet, when the interior of the electric cabinet is ventilated and radiated, air is sucked from the air inlet groove on the top end of the shell when the dust removing structure arranged on the top end of the interior of the inner chamber is ventilated, the air ventilated into the shell and the air inside of the inner chamber can be dedusted by the filter screen inside of the outer frame, a large amount of dust can be prevented from accumulating after the interior is used for a long time, the interior of the inner chamber can be difficult to clean up, when the filter screen is replaced, with the outrigger from the inside top of shell pull down the back, drag the filter screen to one side direction, the inside separation blade of the fixed foot of one side can wholly move backward through the flexible effect of second compression spring in the inner chamber, take out the head of one side of filter screen from the inner chamber after again taking another head from the inner chamber in the fixed foot of opposite side out, wholly take out the filter screen and clear up or change, reached inside when the ventilation of dispelling the heat and carrying out dirt-proof purpose to inside at the switch board.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged front view of a partial section of the dehumidifying mechanism of the present invention;

FIG. 3 is an enlarged front view of a partial section of the protection structure of the present invention;

FIG. 4 is an enlarged front view of a partial section of the dust removing structure of the present invention;

fig. 5 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a protective structure; 201. reserving a groove; 202. a movable rod; 203. a first compression spring; 204. a limiting block; 205. a guard plate; 206. a thrust block; 3. a housing; 4. a mounting frame; 5. a mounting seat; 6. an inner chamber; 7. a dust removal structure; 701. an air inlet groove; 702. an outer frame; 703. filtering with a screen; 704. a fixing leg; 705. an inner cavity; 706. a second compression spring; 707. a baffle plate; 8. a communicating pipe; 9. an air intake preventing fan; 10. an air duct; 11. a waterproof layer; 12. a vent; 13. a carrier plate; 14. a fan; 15. a chute; 16. a fixed seat; 17. a slider; 18. a through hole; 19. allochroic silica gel particles; 20. installing a frame; 21. a housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-5, a protective electrical cabinet comprises a base 1 and a housing 3, wherein the top end of the base 1 is fixedly connected with the housing 3, two sides of the housing 3 are respectively provided with a protective structure 2, the interior of the housing 3 is fixedly connected with an inner chamber 6, the interior of the inner chamber 6 is fixedly connected with a mounting frame 4, two sides of the interior of the mounting frame 4 are respectively fixedly connected with four groups of mounting seats 5, a bearing plate 13 is respectively arranged between the mounting seats 5, the top end of the interior of the inner chamber 6 is provided with a dust removing structure 7, two sides of the top end of the housing 3 are respectively provided with a vent 12, the top end of the housing 3 is provided with an air duct 10, the bottom ends of two sides of the air duct 10 are respectively fixedly connected with the top end of the vent 12, the top end of the air duct 10 is fixedly connected with a communicating pipe 8, the top end of the interior of the communicating pipe 8 is fixedly connected with an air inlet-proof fan 9, and the type of the air inlet-proof fan 9 can be KPF-9427, waterproof layers 11 are respectively arranged inside the bottom ends of the two sides of the air duct 10, and dehumidification mechanisms are respectively arranged on the two sides inside the shell 3;

referring to fig. 1-5, a protective electrical cabinet further includes a dehumidifying mechanism, the dehumidifying mechanism includes an installation frame 20, the installation frame 20 is respectively and fixedly connected to two sides inside the housing 3, the top end and the bottom end inside the installation frame 20 are respectively and fixedly connected to a fixing base 16, the inside of the fixing base 16 is respectively provided with a sliding chute 15, the inside of the installation frame 20 is respectively provided with an outer cover 21, the top end and the bottom end of the outer cover 21 are respectively and fixedly connected to a sliding block 17, the inside of the outer cover 21 is respectively provided with allochroic silica gel particles 19, the outside of the outer cover 21 is respectively and fixedly connected to a through hole 18, two sides of the bottom end inside the inner chamber 6 are respectively and fixedly connected to a fan 14, and the model of the fan 14 can be BFX-100;

the sliding blocks 17 are respectively embedded in the sliding grooves 15, the through holes 18 are respectively arranged in a plurality of groups at equal intervals outside the outer cover 21, and the outer cover 21 is symmetrically distributed relative to the vertical central line of the inner chamber 6;

specifically, as shown in fig. 1 and fig. 2, in the process of using the protective electrical cabinet, moisture inside the housing 3 and the inner chamber 6 may be too much due to long-term rainy weather outside, which is a danger of easily causing short circuit to internal electrical component circuits, etc., in the dehumidifying mechanism is arranged on both sides inside the housing 3, the allochroic silicagel particles 19 arranged in the outer cover 21 inside the mounting frame 20 fixed on both sides inside the housing 3 can absorb moisture inside the housing 3 and the inner chamber 6 through the plural sets of through holes 18 fixedly connected to the outside of the outer cover 21 and arranged at equal intervals, when the color of the allochroic gel particles 19 inside the outer cover 21 changes from blue to red after a period of use, the allochroic gel particles need to be replaced in time, the outer cover 21 slides out from the sliding grooves 15 inside the fixing seats 16 fixed at the top end and the bottom end inside the mounting frame 20 by using the sliding blocks 17 fixed at the top end and the bottom end, the outer cover 21 is taken out integrally, the color-changing silica gel particles 19 inside the outer cover are replaced, and meanwhile, the internal moisture can be extracted and discharged periodically through the two groups of fans 14 arranged at the bottom end of the inner end of the shell 3, so that the aim of dehumidifying the inside of the control cabinet in the using process is fulfilled.

Example 2: the protective structure 2 comprises a reserved groove 201, a movable rod 202, a first compression spring 203, a limiting block 204, a protective plate 205 and a thrust block 206, the protective plate 205 is respectively arranged at two sides of the shell 3, the top end and the bottom end of one side of the protective plate 205 are respectively and fixedly connected with the movable rod 202, the outer part of the movable rod 202 is respectively provided with the first compression spring 203, the reserved groove 201 is respectively and fixedly connected with the top end and the bottom end of two sides of the shell 3, one side of the inner part of the reserved groove 201 is fixedly connected with the limiting block 204, the other side of the movable rod 202 penetrates through one side of the limiting block 204 and is fixedly connected with the thrust block 206, one side of the first compression spring 203 is respectively and fixedly connected with one side of the protective plate 205, and the other side of the first compression spring 203 is respectively and fixedly connected with the top end and the bottom end of one side of the shell 3;

the outer diameter of the thrust block 206 is smaller than the inner diameter of the reserved groove 201, and a sliding structure is formed between the reserved groove 201 and the thrust block 206;

specifically, as shown in fig. 1 and 3, when the outside of the housing 3 is impacted, the guard plates 205 in the protective structures 2 disposed on both sides of the housing 3 may contact the impact, be pressed, and move inward, the movable rods 202 at the top end and the bottom end of one side of the guard plates 205 may move inward, the first compression springs 203 outside the movable rods 202 may be compressed inward to buffer the pressure, the thrust blocks 206 fixed to the ends of the movable rods 202 may move inward in the pre-formed grooves 201, after the pressure bearing is completed, the first compression springs 203 drive the movable rods 202 and the guard plates 205 to return to the original position, and the thrust blocks 206 on one side of the movable rods 202 may be clamped on one sides of the limiting blocks 204 to limit the outside of the control cabinet, thereby achieving the purpose of protecting the outside of the control cabinet.

Example 3: the dust removing structure 7 comprises an air inlet groove 701, an outer frame 702, a filter screen 703, fixing feet 704, an inner cavity 705, a second compression spring 706 and a baffle 707, the air inlet groove 701 is fixedly connected to the top end of the shell 3, the outer frame 702 is fixedly connected to the top end of the inner chamber 6, the fixing feet 704 are fixedly connected to two sides of the inner part of the outer frame 702 respectively, the inner cavity 705 is fixedly connected to the inner part of the fixing feet 704 respectively, the second compression spring 706 is fixedly connected to one side of the inner part of the inner cavity 705 respectively, the baffle 707 is fixedly connected to the other side of the second compression spring 706 respectively, the filter screen 703 is arranged in the outer frame 702, and two sides of the filter screen 703 are embedded in the inner part of the inner cavity 705 respectively;

the interior of the air inlet tank 701 is communicated with the interior of the outer frame 702, and the outer frame 702 is communicated with the interior of the inner chamber 6;

specifically, as shown in fig. 1, 4 and 5, when the interior of the electrical cabinet is ventilated and cooled, the anti-wind fans 9 inside the communication pipes 8 are started through the vents 12 arranged on the two sides of the top end of the housing 3 and the wind channel 10 communicated with the vents 12 to ventilate, cool and ventilate the interiors of the housing 3 and the inner chamber 6, meanwhile, the internal waterproof layers 11 on the bottom ends of the two sides of the wind channel 10 can effectively prevent rainwater or oblique wind from invading the interior of the electrical cabinet housing 3, when the interior of the electrical cabinet is ventilated and cooled, air is sucked from the wind inlet tank 701 on the top end of the housing 3 when the dust removing structure 7 arranged on the top end of the interior of the inner chamber 6 is ventilated, and when the filter screen 703 inside the outer frame 702 is used for dust removal, a large amount of dust is prevented from accumulating after the interior is used for a long time, and the interior is difficult to clean in the later period, when the filter screen 703 is replaced, after the outer frame 702 is detached from the top end inside the housing 3, the filter screen 703 is dragged to one side direction, the baffle 707 inside the fixing leg 704 on one side moves backwards integrally in the inner cavity 705 under the telescopic action of the second compression spring 706, the head on one side of the filter screen 703 is pulled out from the inner cavity 705, then the other head is pulled out from the inner cavity 705 in the fixing leg 704 on the other side, the filter screen 703 is taken out integrally for cleaning or replacement, and the purpose of preventing dust inside the control cabinet during heat dissipation and ventilation is achieved.

The working principle is as follows: when the utility model is used, firstly, when the interior of the electrical cabinet is ventilated and radiated, the air-intake preventing fan 9 in the communicating pipe 8 is started to ventilate, radiate and ventilate the interior and the exterior of the housing 3 through the vents 12 arranged at the two sides of the top end of the housing 3 and the air duct 10 communicated with the vents 12, and the interior and the exterior of the inner chamber 6 are ventilated, and simultaneously, the arrangement of the internal waterproof layer 11 at the bottom ends of the two sides of the air duct 10 can effectively prevent rainwater or oblique wind from invading the interior of the housing 3 of the electrical cabinet, when the interior of the electrical cabinet is ventilated and radiated, air is sucked from the air inlet groove 701 at the top end of the housing 3 when the dust removing structure 7 arranged at the top end of the interior of the inner chamber 6 is ventilated, the air ventilated into the housing 3 and the interior of the inner chamber 6 can be dedusted through the filter screen 703 in the outer frame 702, thereby preventing a large amount of dust from accumulating after the interior is used for a long time, the interior is difficult to be cleaned in later period, when the filter screen 703 is replaced, after the outer frame 702 is detached from the top end inside the housing 3, the filter screen 703 is dragged to one side direction, the baffle 707 inside the fixing leg 704 on one side moves backwards integrally in the inner cavity 705 under the telescopic action of the second compression spring 706, the head on one side of the filter screen 703 is pulled out from the inner cavity 705, then the other head is pulled out from the inner cavity 705 in the fixing leg 704 on the other side, the filter screen 703 is taken out integrally for cleaning or replacement, and the purpose of preventing dust inside the control cabinet during heat dissipation and ventilation is achieved.

Then, in the process of using the protective electrical cabinet, moisture inside the housing 3 and the inner chamber 6 may be too much due to long-term rainy weather outside, which is easy to cause a short circuit risk to internal electrical element lines, etc. in the dehumidification mechanism arranged at two sides inside the housing 3, the allochroic silicagel particles 19 arranged in the outer cover 21 inside the mounting frame 20 fixed at two sides inside the housing 3 can absorb and absorb moisture inside the housing 3 and the inner chamber 6 through the plurality of groups of through holes 18 fixedly connected at the outside of the outer cover 21 and arranged at equal intervals, when the color of the allochroic silicagel particles 19 inside the outer cover 21 changes from blue to red after being used for a period of time, the allochroic silicagel particles need to be replaced in time, and the outer cover 21 slides out from the slide grooves 15 inside the fixing seats 16 fixed at the top end and the bottom end inside the mounting frame 20 by using the slide blocks 17 fixed at the top end and the bottom end, the outer cover 21 is taken out integrally, the color-changing silica gel particles 19 inside the outer cover are replaced, and meanwhile, the internal moisture can be extracted and discharged periodically through the two groups of fans 14 arranged at the bottom end of the inner end of the shell 3, so that the aim of dehumidifying the inside of the control cabinet in the using process is fulfilled.

Finally, when the outside of the housing 3 is impacted, the guard plates 205 in the protective structures 2 arranged on two sides of the housing 3 can contact and impact, and move inwards, the movable rods 202 at the top end and the bottom end of one side of the guard plates 205 can move inwards, the first compression springs 203 outside the movable rods 202 can be compressed inwards to buffer the pressure, the thrust blocks 206 fixed at the tail ends of the movable rods 202 can move inwards in the reserved grooves 201, the first compression springs 203 drive the movable rods 202 and the guard plates 205 to return to the original positions after the pressure bearing is finished, the thrust blocks 206 on one side of the movable rods 202 can be clamped on one sides of the limiting blocks 204 to limit the position, and the purpose of protecting the outside of the control cabinet is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A protective electrical cabinet, comprising a base (1) and a housing (3), characterized in that: the dust removing device is characterized in that a shell (3) is fixedly connected to the top end of the base (1), protective structures (2) are respectively arranged on two sides of the shell (3), an inner chamber (6) is fixedly connected to the inside of the shell (3), a mounting frame (4) is fixedly connected to the inside of the inner chamber (6), four groups of mounting seats (5) are respectively fixedly connected to two sides of the inside of the mounting frame (4), a bearing plate (13) is respectively arranged between the mounting seats (5), a dust removing structure (7) is arranged on the top end of the inside of the inner chamber (6), vent holes (12) are respectively arranged on two sides of the top end of the shell (3), an air duct (10) is arranged on the top end of the shell (3), bottom ends of two sides of the air duct (10) are respectively fixedly connected with top ends of the vent holes (12), a communicating pipe (8) is fixedly connected to the top end of the air duct (10), and an air intake preventing fan (9) is fixedly connected to the top end of the inside of the communicating pipe (8), waterproof layers (11) are respectively arranged inside the bottom ends of the two sides of the air duct (10), and dehumidification mechanisms are respectively arranged on the two sides inside the shell (3);

the dehumidification mechanism includes installing frame (20), installing frame (20) is fixed connection in the inside both sides of shell (3) respectively, inside top and bottom difference fixedly connected with fixing base (16) of installing frame (20), the inside of fixing base (16) is provided with spout (15) respectively, the inside of installing frame (20) is provided with dustcoat (21) respectively, the top and the bottom difference fixedly connected with slider (17) of dustcoat (21), the inside of dustcoat (21) is provided with allochroic silica gel granule (19) respectively, the outside difference fixedly connected with through-hole (18) of dustcoat (21), the both sides difference fixedly connected with fan (14) of the inside one end bottom of inner room (6).

2. A protective electrical cabinet according to claim 1, wherein: the sliding blocks (17) are respectively embedded in the sliding grooves (15), the through holes (18) are respectively arranged in multiple groups at equal intervals outside the outer cover (21), and the outer cover (21) is symmetrically distributed relative to the vertical center line of the inner chamber (6).

3. A protective electrical cabinet according to claim 1, wherein: protective structure (2) comprises preformed groove (201), movable rod (202), first compression spring (203), stopper (204), backplate (205) and thrust block (206), backplate (205) set up the both sides in shell (3) respectively, the top and the bottom of backplate (205) one side are fixedly connected with movable rod (202) respectively, the outside of movable rod (202) is provided with first compression spring (203) respectively, preformed groove (201) fixed connection is respectively in the inside of shell (3) both sides top and bottom, one side fixedly connected with stopper (204) of preformed groove (201) inside, one side and fixedly connected with thrust block (206) of stopper (204) are run through to the opposite side of movable rod (202), one side of first compression spring (203) respectively with one side fixed connection of backplate (205), the opposite side of first compression spring (203) respectively with the top and the bottom fixed connection of shell (3) one side .

4. A protective electrical cabinet according to claim 3, wherein: the outer diameter of the thrust block (206) is smaller than the inner diameter of the reserved groove (201), and a sliding structure is formed between the reserved groove (201) and the thrust block (206).

5. A protective electrical cabinet according to claim 1, wherein: dust removal structure (7) comprise air inlet tank (701), outrigger (702), filter screen (703), fixed foot (704), inner chamber (705), second compression spring (706) and separation blade (707), air inlet tank (701) fixed connection is on the top of shell (3), outrigger (702) fixed connection is on the inside top of inner chamber (6), fixed foot (704) of fixedly connected with respectively in the inside both sides of outrigger (702), the inside of fixed foot (704) is fixedly connected with inner chamber (705) respectively, one side of inner chamber (705) inside is fixedly connected with second compression spring (706) respectively, the opposite side of second compression spring (706) is fixedly connected with separation blade (707) respectively, the inside of outrigger (702) is provided with filter screen (703), inlay the inside in inner chamber (705) respectively in the both sides of filter screen (703).

6. A protective electrical cabinet according to claim 5, wherein: the interior of the air inlet groove (701) is communicated with the interior of an outer frame (702), and the outer frame (702) is communicated with the interior of the inner chamber (6).

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