CN210926651U - Gas-stabilized positive pressure type explosion-proof power distribution cabinet - Google Patents
Gas-stabilized positive pressure type explosion-proof power distribution cabinet Download PDFInfo
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- CN210926651U CN210926651U CN201921799888.4U CN201921799888U CN210926651U CN 210926651 U CN210926651 U CN 210926651U CN 201921799888 U CN201921799888 U CN 201921799888U CN 210926651 U CN210926651 U CN 210926651U
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Abstract
The utility model provides a gaseous stable positive pressure type explosion-proof power distribution cabinet belongs to switch board technical field, the intelligent cabinet temperature adjusting device comprises a cabinet body, sealed lid, butt joint section of thick bamboo, the screw thread ring, the trip, hollow rubber section of thick bamboo, the intake pipe, the blast pipe, the sheet rubber, a piston section of thick bamboo, a spring, the piston board, butt joint pipe, the rubber ring, the packing ring, baffle and pulling force steel wire, the sealed lid has been cup jointed to the front of the cabinet body seamlessly, the inner wall of sealed lid bonds and has the sheet rubber, the both sides of the cabinet body all imbed the welding and have six butt joint sections of thick bamboo, the both sides of sealed lid all imbed the welding and have. The utility model provides a piston plate can reciprocate in the piston cylinder, and when the explosion-proof gas expend with heat and contract with cold volume in the cabinet body changed, the piston plate will reciprocate in the piston cylinder along with atmospheric pressure, makes the atmospheric pressure of explosion-proof gas in the cabinet body be in the certain limit, guarantees the stability of explosion-proof gas atmospheric pressure in the cabinet body, and then guarantees the holistic stability of the cabinet body.
Description
Technical Field
The utility model relates to a switch board technical field, it is specific, relate to an explosion-proof switch board of positive pressure type.
Background
The power distribution cabinet is a general name of a motor control center, and is used in occasions with dispersed loads and less loops; the motor control center is used in the occasions with concentrated load and more loops, the motor control center distributes the electric energy of a certain circuit of the upper-level distribution equipment to the nearby load, the equipment provides protection, monitoring and control for the load, the types of the current distribution cabinets are more and more, the explosion-proof distribution cabinet is one of the distribution cabinets, the positive pressure type is one of the explosion-proof methods, the positive pressure shell (ventilation and inflation type) is filled with fresh air or inert gas with certain pressure in the shell of the equipment, so that the surrounding combustible gas can not enter the shell, thereby preventing the ignition source from contacting with the explosive gas and achieving the purpose of preventing explosion, while the positive pressure type distribution cabinet in the prior art has the problems of insufficient air tightness, inconvenient installation, unstable air pressure of the inner wall of the distribution cabinet due to thermal expansion and cold contraction of the gas and the like, therefore, further research needs to be carried out on the basis of the distribution cabinet, the positive pressure type explosion-proof power distribution cabinet with stable gas is provided.
SUMMERY OF THE UTILITY MODEL
This kind of explosion-proof switch board of positive pressure type of gaseous stability solves the gas tightness that the aforesaid proposed not enough, be not convenient for install, and because gaseous expend with heat and contract with cold, can cause the unstable problem of switch board inner wall atmospheric pressure, an explosion-proof switch board of positive pressure type of gaseous stability is provided, the piston plate in this explosion-proof switch board of positive pressure type can reciprocate in the piston barrel, when the explosion-proof gaseous expend with heat and contract with cold volume in the cabinet body changes, the piston plate will reciprocate in the piston barrel along with atmospheric pressure, make the gaseous atmospheric pressure of explosion-proof in the cabinet body be located certain limit, guarantee the stability of the gaseous atmospheric pressure of explosion-proof in the cabinet body.
The utility model provides a following technical scheme: the positive pressure type explosion-proof power distribution cabinet with stable gas comprises a cabinet body, a sealing cover, butt-joint cylinders, threaded rings, clamping bolts, hollow rubber cylinders, a gas inlet pipe, an exhaust pipe, rubber sheets, piston cylinders, springs, piston plates, butt-joint pipes, rubber rings, gaskets, baffles and tension steel wires, wherein the sealing cover is seamlessly sleeved on the front surface of the cabinet body, the rubber sheets are bonded on the inner wall of the sealing cover, six butt-joint cylinders are respectively embedded and welded on the two sides of the cabinet body, the six threaded rings are respectively embedded and welded on the two sides of the sealing cover, the clamping bolts penetrate through the middle uniform threads of the threaded rings, the hollow rubber cylinders are bonded on the bottom of the cabinet body in an embedded manner, the two gas inlet pipes are bonded on the top of each hollow rubber cylinder in an embedded manner, the exhaust pipe is welded on the bottom of the cabinet body in an embedded manner, the piston cylinders are, the seamless slip of inner wall of a piston section of thick bamboo has the piston board, the outside embedding of piston board bonds and has the rubber ring, the left side embedding welding of a piston section of thick bamboo has the butt joint pipe, the inner wall of butt joint pipe and intake pipe all welds and is provided with the packing ring, one side of packing ring all articulates through the hinge has the baffle, states the inner wall of butt joint pipe and intake pipe and all is provided with the pulling force steel wire through the branch welding.
Further preferred embodiments: the inside of butt joint pipe and intake pipe all is equipped with the packing ring, baffle and the pulling force steel wire that match suitable size, and the baffle setting is in the below of packing ring in the intake pipe to the bottom screw thread of blast pipe has cup jointed the screw cap.
Further preferred embodiments: the middle of the tension steel wire is spiral, the tension steel wire penetrates through the gasket movably, and one end of the tension steel wire is welded on the surface of the baffle.
Further preferred embodiments: the rubber ring surrounds the inner wall of the piston cylinder, and the rubber ring is tightly attached to the inner wall of the piston cylinder.
Further preferred embodiments: the hollow rubber cylinder is annular, and the bottom opening of the cabinet body is provided with a wire hole, and the hollow rubber cylinder is matched with the wire hole.
Further preferred embodiments: the sealing cover is matched with the cabinet body, and the six clamping bolts are respectively and movably embedded into the six butting cylinders.
Has the advantages that: the piston plate in the utility model can move up and down in the piston cylinder, when the volume of explosion-proof gas expands with heat and contracts with cold in the cabinet body changes, the piston plate can move up and down in the piston cylinder along with the air pressure, so that the air pressure of the explosion-proof gas in the cabinet body is in a certain range, the stability of the air pressure of the explosion-proof gas in the cabinet body is ensured, and the stability of the whole cabinet body is further ensured;
the utility model provides a hollow rubber tube sets up in the electric wire hole, after the electric wire passes hollow rubber tube, along with the rising of the inside atmospheric pressure of hollow rubber tube, hollow rubber tube will expand and hug closely on the surface of electric wire, hollow rubber tube can increase the effect of the gas tightness of electric wire and the cabinet body well, make the cabinet body have good leakproofness, the sheet rubber can increase the gas tightness of the cabinet body and sealed lid, make cabinet body overall structure have good leakproofness, and then guarantee the gaseous atmospheric pressure of explosion-proof in the cabinet body, guarantee the explosion-proof ability of the cabinet body.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
Fig. 4 is an enlarged schematic view of the present invention at B in fig. 1.
Fig. 5 is an enlarged schematic view of the present invention at C in fig. 1.
In FIGS. 1-5: the cabinet body 1, the sealing cover 2, the butt joint barrel 3, the threaded ring 4, the clamping bolt 5, the hollow rubber barrel 6, the air inlet pipe 7, the exhaust pipe 8, the rubber sheet 9, the piston barrel 10, the spring 11, the piston plate 12, the butt joint pipe 13, the rubber ring 14, the gasket 15, the baffle 16 and the tension steel wire 17.
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.
Referring to fig. 1 to 5, in the embodiment of the present invention, a gas-stabilized positive pressure type explosion-proof power distribution cabinet comprises a cabinet body 1, a sealing cover 2, a docking barrel 3, a threaded ring 4, a latch 5, a hollow rubber barrel 6, an air inlet pipe 7, an exhaust pipe 8, a rubber sheet 9, a piston barrel 10, a spring 11, a piston plate 12, a docking pipe 13, a rubber ring 14, a gasket 15, a baffle 16 and a tension steel wire 17, wherein the sealing cover 2 is seamlessly sleeved on the front side of the cabinet body 1, the rubber sheet 9 is bonded on the inner wall of the sealing cover 2, the rubber sheet 9 can increase the air tightness of the cabinet body 1 and the sealing cover 2, so that the overall structure of the cabinet body 1 has good sealing performance, thereby ensuring the air pressure of explosion-proof gas in the cabinet body 1, ensuring the explosion-proof capability of the cabinet body 1, six docking barrels 3 are embedded in both sides of the cabinet body 1, six threaded rings 4 are welded on both sides of the sealing cover, the bottom embedding of the cabinet body 1 bonds and has hollow rubber section of thick bamboo 6, the top embedding of hollow rubber section of thick bamboo 6 bonds and has two intake pipes 7, the bottom embedding welding of the cabinet body 1 has blast pipe 8, the bottom embedding welding of the cabinet body 1 has piston cylinder 10, the bottom welding of piston cylinder 10 inner wall is provided with spring 11, the seamless slip of inner wall of piston cylinder 10 has piston plate 12, the outside embedding of piston plate 12 bonds and has rubber ring 14, the left side embedding welding of piston cylinder 10 has butt joint pipe 13, butt joint pipe 13 and intake pipe 7's inner wall all welds and is provided with packing ring 15, one side of packing ring 15 all articulates through the hinge has baffle 16, state butt joint pipe 13 and intake pipe 7's inner wall all is provided with pulling force steel wire 17.
Preferably, the butt joint pipe 13 and the air inlet pipe 7 are internally provided with a gasket 15, a baffle 16 and a tension steel wire 17 which are matched with each other in size, the baffle 16 in the air inlet pipe 7 is arranged below the gasket 15, the bottom of the air outlet pipe 8 is in threaded sleeve connection with a threaded cover, the middle of the tension steel wire 17 is in a spiral shape, the tension steel wire 17 movably penetrates through the gasket 15, one end of the tension steel wire 17 is welded on the surface of the baffle 16, a rubber ring 14 surrounds the inner wall of the piston cylinder 10, the rubber ring 14 is tightly attached to the inner wall of the piston cylinder 10, the rubber ring 14 can increase the air tightness between the piston plate 12 and the piston cylinder 10, the piston plate 12 can move up and down in the piston cylinder 10, when the volume of explosion-proof gas in the cabinet body is changed due to thermal expansion and cold contraction, the piston plate 12 can move up and down in the piston cylinder 10 along with the air pressure, guarantee the stability of explosion-proof gas pressure in the cabinet body 1, and then guarantee the holistic stability of the cabinet body 1, hollow rubber tube 6 is the ring form, and the bottom opening of the cabinet body 1 is provided with the electric wire hole, and hollow rubber tube 6 matches with the electric wire hole and suits, hollow rubber tube 6 sets up in the electric wire hole, after the electric wire passed hollow rubber tube 6, along with the rising of the inside atmospheric pressure of hollow rubber tube 6, hollow rubber tube 6 will expand and hug closely on the surface of electric wire, hollow rubber tube 6 can increase the effect of the gas tightness of electric wire and cabinet body 1 well, make cabinet body 1 have good leakproofness, sealed lid 2 matches with the cabinet body 1 and suits, and six bolts 5 activity embedding respectively in six butt joint section of thick bamboo 3.
The working principle is as follows:
when the gas-stable positive pressure type explosion-proof power distribution cabinet is used, firstly, circuit components are fixed in a cabinet body 1, then electric wires pass through a hollow rubber cylinder 6 in a wire hole, secondly, a sealing cover 2 is sleeved on the front surface of the cabinet body 1, then, six clamping bolts 6 are sequentially rotated to move in a threaded ring 4, one end of each clamping bolt 6 is inserted into a butt joint cylinder 3, the sealing cover 2 is fixed on the front surface of the cabinet body 1, secondly, a gas pipe is connected with a butt joint pipe 13, helium is filled into the cabinet body 1 through the butt joint pipe 13, a baffle 16 in the butt joint pipe 13 generates a gap with a gasket 15, the helium enters the cabinet body 1 through an air inlet piston cylinder 10 of the butt joint pipe 13, the helium is lighter than air, the helium is located above the cabinet body 1, the air in the cabinet body 1 is slowly extruded out, then, the baffle 16 in an air inlet pipe 7 along with the air pressure in the cabinet body 1 also generates a gap with the gasket 15, the air passes through 8 exhaust cabinet bodies 1 of blast pipe, the air passes through intake pipe 7 and gets into hollow rubber tube 6, hollow rubber tube 6 will expand and hug closely on the surface of electric wire, make to have good gas tightness between electric wire and the hollow rubber tube 6, the air in the cabinet body 1 is whole to be discharged the back through blast pipe 8 and is installed the screw cap rotation in the bottom of blast pipe 8, atmospheric pressure in the cabinet body 1 is greater than atmospheric pressure, baffle 16 can hug closely in packing ring 15 in intake pipe 7 and butt joint pipe 13, the unable section of thick bamboo of air gets into cabinet body 1 to butt joint pipe 13, accomplish the installation work.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides an explosion-proof switch board of positive pressure type of gaseous stability, includes the cabinet body (1), sealed lid (2), dock a section of thick bamboo (3), screw ring (4), bayonet catch (5), hollow rubber tube (6), intake pipe (7), blast pipe (8), sheet rubber (9), piston cylinder (10), spring (11), piston plate (12), butt joint pipe (13), rubber ring (14), packing ring (15), baffle (16) and pulling force steel wire (17), its characterized in that: the front of the cabinet body (1) is seamlessly sleeved with a sealing cover (2), the inner wall of the sealing cover (2) is bonded with a rubber sheet (9), the two sides of the cabinet body (1) are all embedded and welded with six butting cylinders (3), the two sides of the sealing cover (2) are all embedded and welded with six threaded rings (4), the middle uniform threads of the threaded rings (4) penetrate through clamping bolts (5), the bottom of the cabinet body (1) is embedded and bonded with a hollow rubber cylinder (6), the top of the hollow rubber cylinder (6) is embedded and bonded with two air inlet pipes (7), the bottom of the cabinet body (1) is embedded and welded with an exhaust pipe (8), the bottom of the cabinet body (1) is embedded and welded with a piston cylinder (10), the bottom of the inner wall of the piston cylinder (10) is welded with a spring (11), and the inner wall of the piston cylinder (10) seamlessly slides with a piston plate (, the outside embedding of piston board (12) bonds and has rubber ring (14), the left side embedding welding of piston cylinder (10) has butt joint pipe (13), the inner wall of butt joint pipe (13) and intake pipe (7) all welds and is provided with packing ring (15), one side of packing ring (15) all articulates through the hinge has baffle (16), states the inner wall of butt joint pipe (13) and intake pipe (7) and all is provided with pulling force steel wire (17) through the branch welding.
2. The gas-stabilized positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: the butt joint pipe (13) and the air inlet pipe (7) are internally provided with a gasket (15), a baffle (16) and a tension steel wire (17) which are matched with each other in size, the baffle (16) is arranged below the gasket (15) in the air inlet pipe (7), and the bottom of the exhaust pipe (8) is sleeved with a threaded cover in a threaded manner.
3. The gas-stabilized positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: the middle of the tension steel wire (17) is spiral, the tension steel wire (17) movably penetrates through the gasket (15), and one end of the tension steel wire (17) is welded on the surface of the baffle (16).
4. The gas-stabilized positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: the rubber ring (14) surrounds the inner wall of the piston cylinder (10), and the rubber ring (14) is tightly attached to the inner wall of the piston cylinder (10).
5. The gas-stabilized positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: the hollow rubber cylinder (6) is annular, an electric wire hole is formed in the bottom opening of the cabinet body (1), and the hollow rubber cylinder (6) is matched with the electric wire hole.
6. The gas-stabilized positive-pressure explosion-proof power distribution cabinet according to claim 1, characterized in that: the sealing cover (2) is matched with the cabinet body (1), and six clamping bolts (5) are respectively and movably embedded into the six butting cylinders (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799888.4U CN210926651U (en) | 2019-10-24 | 2019-10-24 | Gas-stabilized positive pressure type explosion-proof power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799888.4U CN210926651U (en) | 2019-10-24 | 2019-10-24 | Gas-stabilized positive pressure type explosion-proof power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN210926651U true CN210926651U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921799888.4U Active CN210926651U (en) | 2019-10-24 | 2019-10-24 | Gas-stabilized positive pressure type explosion-proof power distribution cabinet |
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| CN (1) | CN210926651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935923A (en) * | 2020-09-11 | 2020-11-13 | 黄殿华 | Explosion-proof electrical cabinet |
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2019
- 2019-10-24 CN CN201921799888.4U patent/CN210926651U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935923A (en) * | 2020-09-11 | 2020-11-13 | 黄殿华 | Explosion-proof electrical cabinet |
| CN111935923B (en) * | 2020-09-11 | 2022-04-01 | 山东万盛电气有限公司 | Explosion-proof electrical cabinet |
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