CN111935923B - Explosion-proof electrical cabinet - Google Patents
Explosion-proof electrical cabinet Download PDFInfo
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- CN111935923B CN111935923B CN202010952790.9A CN202010952790A CN111935923B CN 111935923 B CN111935923 B CN 111935923B CN 202010952790 A CN202010952790 A CN 202010952790A CN 111935923 B CN111935923 B CN 111935923B
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- fixedly connected
- plate
- box body
- air
- circular
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0091—Housing specially adapted for small components
- H05K5/0095—Housing specially adapted for small components hermetically-sealed
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20536—Modifications to facilitate cooling, ventilating, or heating for racks or cabinets of standardised dimensions, e.g. electronic racks for aircraft or telecommunication equipment
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an explosion-proof electrical cabinet which comprises a box body, wherein a plurality of groups of vent holes are formed in the inner wall of the box body, the number of the vent holes of each group of vent holes is two, the two vent holes of the same group are coaxially arranged, a sealing plate is arranged in each vent hole, a plurality of L-shaped supports are fixedly connected to the inner wall of the box body, the plurality of L-shaped supports and the plurality of vent holes are arranged in a one-to-one correspondence mode, a guide rod is fixedly connected to one side, close to the L-shaped supports, of the sealing plate, a supporting spring is fixedly connected between the L-shaped supports and the sealing plate, an arc-shaped rod is fixedly connected between the two guide rods on the same axis, an air pumping device is arranged on the outer side of the box body, and air can be pumped into an inner cavity of the box body through the vent holes by the air pumping device. According to the invention, the gas is filled into the air holes which are pushed open, the gas is exhausted from the opposite air holes after passing through the inner cavity of the box body, and the components are arranged on the corresponding air paths, so that the components which need to be radiated are intensively radiated in a targeted manner, and the radiating and cooling efficiency is high.
Description
Technical Field
The invention relates to the technical field of electrical cabinets, in particular to an explosion-proof electrical cabinet.
Background
The regulator cubicle is formed by steel processing and is used for protecting the cupboard of components and parts normal work, and regulator cubicle preparation material generally divide into hot-rolled steel plate and cold-rolled steel sheet two kinds, and cold-rolled steel plate is softer relatively hot-rolled steel plate, more is fit for the preparation of regulator cubicle, and the regulator cubicle usage is extensive mainly used chemical industry, environmental protection trade, electric power system, metallurgical system, industry, nuclear power trade, fire control safety control, traffic industry etc..
The regulator cubicle of prior art inside generally sets up a plurality of electrical devices, electrical device during operation can produce a large amount of heats, generally use radiator fan to dispel the heat, radiator fan makes regulator cubicle and external direct intercommunication on the one hand, how then the external humid air of humid environment causes the device to damage in getting into the box, on the other hand radiator fan position relatively fixed, be not convenient for carry out the pertinence heat dissipation to the high hot-producing device of individuality, make heat-sinking capability limited.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an explosion-proof electrical cabinet, so that the problems in the prior art are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
an explosion-proof electrical cabinet comprises a box body, wherein the box body is cylindrical, a cavity is arranged in the box body, a mounting column is fixedly connected to a bottom plate of the box body, components are mounted on the mounting column, a plurality of groups of vent holes are formed in the inner wall of the box body, the number of the vent holes in each group is two, the two vent holes in the same group are coaxially arranged, a sealing plate is mounted in each vent hole, a plurality of L-shaped brackets are fixedly connected on the inner wall of the box body, the L-shaped brackets and the vent holes are arranged in one-to-one correspondence, one side of the sealing plate close to the L-shaped bracket is fixedly connected with a guide rod, a supporting spring is fixedly connected between the L-shaped bracket and the sealing plate, an arc-shaped rod is fixedly connected between the two guide rods on the same axis, and the outer side of the box body is provided with an air pumping device, and the air pumping device can pump air into the inner cavity of the box body through the vent hole.
Preferably, the sealing plate includes the circular slab, the air vent is circularly, circular slab and air vent looks adaptation, the circular slab middle part is equipped with the through-hole, the inner wall of through-hole is equipped with the ring channel, the tank bottom array of ring channel sets up a plurality of slide openings, and a plurality of slide openings all run through the circular slab setting, and circular pole of sliding connection in every slide opening, every circular pole towards the one end fixed connection sector plate in the circular slab centre of a circle, the first spring of fixed connection between the tank bottom of sector plate and ring channel, the lateral wall setting of sector plate laminating ring channel, the one end setting that the circular slab was kept away from to every circular pole are spherical, the air vent both ends are equipped with the guiding arc respectively.
Preferably, the excircle fixed connection sealing ring of circular slab, a plurality of sector plates can merge and form the whole circle, and fixedly connected with sealing strip respectively on the contact surface of two adjacent sector plates sets up relatively, sealing washer of fixed connection respectively on two relative lateral walls of ring channel, the sector plate is located between two sealing washers, the sector surface setting of sealing washer laminating sector plate.
Preferably, a rubber column is fixedly connected to a corner of one of the sector plates, which is close to the circle center, and arc-shaped grooves are formed in corners of the other sector plates, which are close to the circle center, and the arc-shaped grooves are arranged corresponding to the rubber column.
Preferably, the air pumping device comprises a disc, the disc is fixedly connected to the upper side of the box body, the upper side of the disc is rotatably connected with the rotating ring, one side of the rotating ring is fixedly connected with the supporting plate, a square hole is formed in the supporting plate, a square rod is slidably connected in the square hole, the lower end of the square rod is fixedly connected with the transverse plate, an air supply air bag is fixedly connected between the transverse plate and the supporting plate, a transverse plate bottom is fixedly connected with a hanging rod, a lower end of the hanging rod is fixedly connected with an air delivery cover, one side, close to the box body, of the air delivery cover is of an open structure, an open side of the air delivery cover is fixedly connected with a sealing rubber strip, and the outer contour of the sealing rubber strip laminating box body is arranged.
The invention has the advantages that: the explosion-proof electrical cabinet provided by the invention moves into the corresponding vent hole through the gas transmission cover, and the sliding rod enters the vent hole from the surface of the box body and pushes away the corresponding sealing plate; the sealing plate in one vent hole is pushed open, the corresponding vent hole is opened synchronously to form a passage, gas is filled into the pushed vent hole, the gas is exhausted from the opposite vent hole after passing through the inner cavity of the box body, and the component is arranged on the corresponding gas path, so that the component needing to be radiated is radiated in a targeted manner in a centralized manner, and the radiating and cooling efficiency is high.
The circular plate is left in the venthole, and the pulling force of first spring makes the circular rod that corresponds slide to the direction of keeping away from the circular plate centre of a circle, forms the clearance between a plurality of sector plates to make the circular plate middle part appear letting the route that gas passed through, reduce the hindrance effect of circular plate to the air current.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the present invention;
FIG. 2 is a schematic view showing the construction of the air pumping device according to the present invention;
FIG. 3 is a sectional view A-A of FIG. 1;
FIG. 4 is a partial enlarged view at E in FIG. 1;
FIG. 5 is a schematic view of the structure of the sealing plate of the present invention;
fig. 6 is a sectional view B-B in fig. 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-6, the explosion-proof electrical cabinet provided by the present invention comprises a box body 1, the box body 1 is cylindrical, a cavity is arranged inside the box body 1, a mounting column 11 is fixedly connected to a bottom plate of the box body 1, a component 12 is mounted on the mounting column 11, a plurality of groups of vent holes 2 are arranged on an inner wall of the box body 1, the number of the vent holes 2 of each group of vent holes 2 is two, two vent holes 2 of the same group are coaxially arranged, namely, each vent hole 2 has a corresponding vent hole 2 coaxial with the vent hole on a diameter line of the box body 1, a sealing plate 3 is mounted in each vent hole 2, a plurality of L-shaped brackets 4 are fixedly connected to an inner wall of the box body 1, the plurality of L-shaped brackets 4 are arranged corresponding to the plurality of vent holes 2 one by one, a guide rod 41 is fixedly connected to one side of the sealing plate 3 close to the L-shaped bracket 4, a support spring 42 is fixedly connected between the L-shaped bracket 4 and the sealing plate 3, an arc-shaped rod 43 is fixedly connected between the two guide rods 41 on the same axis, the sealing plate 3 in one of the vent holes 2 is pushed away, the corresponding vent hole 2 is synchronously opened to form a passage, gas is filled into the pushed vent hole 2, the gas is discharged from the opposite vent hole 2 after passing through the inner cavity of the box body 1, and the component 12 is arranged on the corresponding gas path, so that the component 12 needing heat dissipation is pertinently and intensively cooled, the heat dissipation and cooling efficiency is high, the air pumping device is arranged on the outer side of the box body 1, and the air pumping device can pump the gas into the inner cavity of the box body 1 through the vent hole 2.
As an embodiment of the invention, the sealing plate 3 comprises a circular plate 31, the vent hole 2 is circular, the circular plate 31 is matched with the vent hole 2, a through hole 32 is arranged in the middle of the circular plate 31, an annular groove 33 is arranged on the inner wall of the through hole 32, a plurality of sliding holes are arranged on the groove bottom array of the annular groove 33, the plurality of sliding holes are all arranged through the circular plate 31, each sliding hole is connected with a circular rod 34 in a sliding manner, one end, facing the center of the circle of the circular plate 31, of each circular rod 34 is fixedly connected with a sector plate 35, a first spring 36 is fixedly connected between the sector plate 35 and the groove bottom of the annular groove 33, the sector surface of the sector plate 35 is arranged to be attached to the side wall of the annular groove 33, one end, far away from the circular plate 31, of each circular rod 34 is arranged to be spherical, two ends of the vent hole 2 are respectively provided with guide arcs 21, the circular plate 31 is separated from the vent hole 2, the tension of the first spring 36 enables the corresponding circular rod 34 to slide in a direction far away from the center of the circular plate 31, gaps are formed among the fan-shaped plates 35, so that a path for air to pass through is formed in the middle of the circular plate 31, the blocking effect of the circular plate 31 on the air flow is reduced, when the circular plate is reset, the supporting spring 42 pushes the circular plate 31 into the ventilation hole 2, and the guide arc 21 guides the circular rod 34, so that the circular rod 34 is conveniently retracted into the sliding hole.
In one embodiment of the present invention, the outer circle of the circular plate 31 is fixedly connected with the sealing ring 311, the plurality of sector plates 35 can be combined to form a complete circle, the contact surfaces of two adjacent sector plates 35 are respectively and fixedly connected with the sealing strips 312, the sealing strips 312 of two adjacent sector plates 35 are oppositely arranged, two opposite side walls of the annular groove 33 are respectively and fixedly connected with one sealing ring 313, the sector plates 35 are positioned between the two sealing rings 313, and the sealing rings 313 are arranged to be attached to the sector surfaces of the sector plates 35.
As an embodiment of the present invention, a rubber column 351 is fixedly connected to a corner of one of the sector plates 35 close to the center of the circle, an arc-shaped groove 352 is arranged on a corner of the other sector plate 35 close to the center of the circle, the arc-shaped groove 352 and the rubber column 351 are arranged correspondingly, the sealing strip 312 seals the contact surfaces of two adjacent sector plates 35, the rubber column 351 and the arc-shaped groove 352 seal the sharp corners of the plurality of sector plates 35, and the sealing ring 313 is matched to form a seal on the side surface of the sector plate 35, so that the corresponding vent hole 2 can be selectively opened when necessary, and necessary heat dissipation can be performed.
As an embodiment of the invention, the air pumping device comprises a disc 5, the disc 5 is fixedly connected to the upper side of the box body 1, the upper side of the disc 5 is rotatably connected with a rotary ring 51, one side of the rotary ring 51 is fixedly connected with a support plate 52, the support plate 52 is provided with a square hole, a square rod 53 is slidably connected in the square hole, the lower end of the square rod 53 is fixedly connected with a transverse plate 54, an air supply air bag 55 is fixedly connected between the transverse plate 54 and the support plate 52, the bottom of the transverse plate 54 is fixedly connected with a suspension rod 56, the lower end of the suspension rod 56 is fixedly connected with an air delivery cover 57, one side of the air delivery cover 57 close to the box body 1 is of an open structure, one open side of the air delivery cover 57 is fixedly connected with a sealing rubber strip, and the sealing rubber strip is arranged to be attached to the outer contour of the box body 1. The square rod 53 slides up and down to compress the air supply airbag 55 between the transverse plate 54 and the support plate 52, the air transmission cover 57 is attached to the outer circular surface of the box body 1 and moves, the air transmission cover 57 moves to the corresponding vent hole 2 and fills cooling air into the box body 1 through the vent hole 2, and the opened vent hole 2 is covered by the air transmission cover 57, so that the effect of isolating the outside air is achieved.
As an embodiment of the invention, the upper end of the square rod 53 is fixedly connected with the baffle 61, the second spring 62 is fixedly connected between the baffle 61 and the support plate 52, the upper side of the baffle 61 is rotatably connected with the rolling ball, the upper side of the disc 5 is fixedly connected with the upright post 63, the upper side of the upright post 63 is fixedly connected with the support plate 64, the bottom of the support plate 64 is fixedly connected with the plurality of arc-shaped lugs 65 in an annular array manner, namely, the plurality of arc-shaped lugs 65 are arranged on the rolling path of the rolling ball, the rolling ball is arranged corresponding to the arc-shaped lugs 65, the rolling ball rolls and transits to the arc-shaped lugs 65 on the surface of the support plate 64 to form up-down fluctuation, so that the square rod 53 forms up-down movement, the air delivery cover 57 is rotated to the corresponding vent hole 2 to perform an air filling process, so that the air supply air bag 55 forms compression pump air, extra power is not needed to extrude the air supply air bag 55, therefore, the coordination is strong, and the energy consumption is saved.
As an embodiment of the present invention, one side of the air supply airbag 55 is fixedly connected with an air inlet pipe, the air inlet pipe is provided with an air inlet check valve 551, air with high humidity in the use environment can cause damage or short circuit of the component 12, the air inlet pipe is connected to an air source, the air source is a compressed air storage tank, the storage tank can be mounted on the swivel 51 to rotate together with the swivel 51 or independently mounted on one side, when independently mounted on one side, the swivel 51 needs to rotate forwards and backwards periodically to avoid pipeline winding, the specific mounting mode is selected according to the installation site conditions, the air source can be dry air or inert gas, the supply of the air source and the gas manufacturing are the prior art, and are not repeated herein to play a corresponding explosion-proof role, so as to avoid the air with high humidity from entering the box 1 to dissipate heat and influence the use of the component 12, one side of the air supply airbag 55 is fixedly connected with an air outlet pipe, the air outlet check valve 552 is mounted on the air outlet pipe, the bottom of the transverse plate 54 is fixedly connected with an air storage bag 553, the other end of the air outlet pipe is fixedly connected and communicated with the air storage bag 553, the lower side of the air storage bag 553 is fixedly connected with an air delivery pipe 554, the air delivery pipe 554 is communicated with an air delivery cover 57, the vent holes 2 are arranged in a vertically staggered manner on the outer side of the box body 1, the air delivery cover 57 moves up and down on the outer circular surface of the box body 1 along with the up-and-down movement of the square rod 53, the air delivery cover 57 is compressed or stretched in the process that one vent hole 2 moves towards the next vent hole 2 from one vent hole 2, and the air supply bag 55 is blocked by the box body 1, so that the compressed air enters the air storage bag 553 for buffer storage.
In one embodiment of the present invention, a side plate 571 is fixedly connected to an inner wall of the gas delivery cover 57, a sliding hole is formed in the side plate 571, a sliding rod 572 is slidably connected in the sliding hole, a boss is formed at one end of the sliding rod 572 away from the box body 1, a return spring 573 is fixedly connected between the boss and the side plate 571, the sliding rod 572 is penetrated through an inner hole of the return spring 573, the other end of the sliding rod 572 is formed in a conical shape and provided with a ball at the end, so as to reduce the friction of the end of the sliding rod 572 on the surface of the box body 1, the air delivery cover 57 moves into the corresponding vent hole 2, the sliding rod 572 enters the vent hole 2 from the surface of the box body 1 and pushes away the corresponding sealing plate 3, without controlling the opening of the sealing plate 3, the air supply and the sealing plate 3 are opened synchronously, the vent hole 2 at the other end cannot pour the external air into the box body 1, and the corresponding vent hole 2 is closed when the air delivery cover 57 is moved away, so that the influence of the external air on devices in the box body 1 is reduced.
As an embodiment of the present invention, the upper side of the supporting plate 64 is fixedly connected with a driving motor 641, the end of the main shaft of the driving motor 641 is fixedly connected with a driving gear 642, a circular hole 643 is concentrically disposed in the middle of the disk 5, an inner wall of the circular hole 643 is fixedly connected with an inner gear ring, the inner gear ring is engaged with the driving gear 642, the driving motor 641 can drive the rotating ring 51 to rotate 180 degrees and then rotate, the control of the driving motor 641 is the prior art, and the detailed structure thereof is not described herein.
When in use, the air delivery cover 57 moves into the corresponding vent hole 2, and the sliding rod 572 enters the vent hole 2 from the surface of the box body 1 and pushes away the corresponding sealing plate 3; the sealing plate 3 in one vent hole 2 is pushed away, the corresponding vent hole 2 is synchronously opened to form a passage, gas is filled into the pushed vent hole 2, the gas is exhausted from the opposite vent hole 2 after passing through the inner cavity of the box body 1, and the component 12 is arranged on the corresponding gas path, so that the component 12 needing heat dissipation is concentrated and dissipated, and the heat dissipation and cooling efficiency is high.
The circular plate 31 leaves from the vent hole 2, the corresponding circular rod 34 slides in the direction away from the circle center of the circular plate 31 under the tension of the first spring 36, gaps are formed among the fan-shaped plates 35, so that a path for gas to pass through is formed in the middle of the circular plate 31, the blocking effect of the circular plate 31 on the gas flow is reduced, when the circular plate is reset, the supporting spring 42 pushes the circular plate 31 to enter the vent hole 2, and the guide arc 21 guides the circular rod 34, so that the circular rod 34 can be conveniently retracted into the slide hole.
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 without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides an explosion-proof regulator cubicle, includes box (1), box (1) is the cylinder tube-shape, and box (1) is inside to be equipped with the cavity, fixed connection erection column (11) on the bottom plate of box (1), be equipped with components and parts (12) on erection column (11), its characterized in that: the air pumping device is characterized in that multiple groups of vent holes (2) are formed in the inner wall of the box body (1), the number of the vent holes (2) of each group of vent holes (2) is two, the two vent holes (2) of the same group are coaxially arranged, a sealing plate (3) is arranged in each vent hole (2), a plurality of L-shaped supports (4) are fixedly connected to the inner wall of the box body (1), the plurality of L-shaped supports (4) and the plurality of vent holes (2) are arranged in a one-to-one correspondence manner, one side, close to the L-shaped supports (4), of the sealing plate (3) is fixedly connected with a guide rod (41), a support spring (42) is fixedly connected between each L-shaped support (4) and the sealing plate (3), an arc-shaped rod (43) is fixedly connected between the two guide rods (41) on the same axis, and an air pumping device is arranged on the outer side of the box body (1);
the air pumping device comprises a disc (5), the disc (5) is fixedly connected to the upper side of the box body (1), the upper side of the disc (5) is rotatably connected with a rotating ring (51), one side of the rotating ring (51) is fixedly connected with a support plate (52), the support plate (52) is provided with a square hole which is internally connected with a square rod (53) in a sliding way, the lower end of the square rod (53) is fixedly connected with a transverse plate (54), an air supply air bag (55) is fixedly connected between the transverse plate (54) and the support plate (52), a suspension rod (56) is fixedly connected with the bottom of the transverse plate (54), the lower end of the suspension rod (56) is fixedly connected with a gas transmission cover (57), one side, close to the box body (1), of the gas transmission cover (57) is of an open structure, one open side of the gas transmission cover (57) is fixedly connected with a sealing rubber strip, and the sealing rubber strip is arranged by being attached to the outer contour of the box body (1);
the bottom of the support plate (64) is provided with a plurality of arc-shaped convex blocks (65) which are fixedly connected with an annular array on a rolling path of the rolling ball, the square rod (53) slides up and down to compress the air supply air bag (55) between the transverse plate (54) and the support plate (52), the air supply cover (57) is attached to the outer circular surface of the box body (1) and moves, and the air supply cover (57) moves to the corresponding vent hole (2) and is filled with cooling air into the box body (1) through the vent hole (2).
2. An explosion-proof electrical cabinet according to claim 1, characterized in that: the sealing plate (3) comprises a circular plate (31), the vent holes (2) are circular, the circular plate (31) is matched with the vent hole (2), a through hole (32) is arranged in the middle of the circular plate (31), the inner wall of the through hole (32) is provided with an annular groove (33), the groove bottom array of the annular groove (33) is provided with a plurality of sliding holes, the sliding holes are arranged by penetrating through the circular plate (31), each sliding hole is internally and slidably connected with a circular rod (34), one end of each circular rod (34) facing the circle center of the circular plate (31) is fixedly connected with a fan-shaped plate (35), a first spring (36) is fixedly connected between the sector plate (35) and the groove bottom of the annular groove (33), the side wall setting of sector surface laminating ring channel (33) of sector plate (35), the one end setting that circular plate (31) were kept away from in every circular rod (34) is the sphere, air vent (2) both ends are equipped with guiding arc (21) respectively.
3. An explosion-proof electrical cabinet according to claim 2, characterized in that: excircle fixed connection sealing ring (311) of circular plate (31), a plurality of sector plates (35) can merge and form the whole circle, on the contact surface of two adjacent sector plates (35) respectively fixedly connected with sealing strip (312), sealing strip (312) of two adjacent sector plates (35) set up relatively, on two relative lateral walls of ring channel (33) respectively sealing washer (313) of fixed connection, sector plate (35) are located between two sealing washers (313), the sector setting of sealing washer (313) laminating sector plate (35).
4. An explosion-proof electrical cabinet according to claim 3, characterized in that: the rubber column (351) is fixedly connected to the corner, close to the circle center, of one of the fan-shaped plates (35), the arc-shaped grooves (352) are formed in the corners, close to the circle center, of the other fan-shaped plates (35), and the arc-shaped grooves (352) are arranged corresponding to the rubber column (351).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952790.9A CN111935923B (en) | 2020-09-11 | 2020-09-11 | Explosion-proof electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952790.9A CN111935923B (en) | 2020-09-11 | 2020-09-11 | Explosion-proof electrical cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN111935923A CN111935923A (en) | 2020-11-13 |
| CN111935923B true CN111935923B (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010952790.9A Active CN111935923B (en) | 2020-09-11 | 2020-09-11 | Explosion-proof electrical cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713537B (en) * | 2021-01-04 | 2022-09-20 | 山东天池伟达电力设备有限公司 | Intelligent three-proofing power distribution cabinet |
| CN113685107A (en) * | 2021-08-23 | 2021-11-23 | 付文静 | Electrical cabinet |
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