CN220233878U - Explosion-proof anticorrosive distribution device - Google Patents
Explosion-proof anticorrosive distribution device Download PDFInfo
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- CN220233878U CN220233878U CN202320868887.0U CN202320868887U CN220233878U CN 220233878 U CN220233878 U CN 220233878U CN 202320868887 U CN202320868887 U CN 202320868887U CN 220233878 U CN220233878 U CN 220233878U
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- 238000009826 distribution Methods 0.000 title claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000000748 compression moulding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 5
- 238000004880 explosion Methods 0.000 description 18
- 239000007789 gas Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an explosion-proof and anti-corrosion power distribution device, which is characterized in that an additional safety-increasing cavity which is required to be additionally arranged is arranged on an explosion-proof cover, so that the bottom and the side wall of the safety-increasing cavity are integrally formed with the explosion-proof cover, namely, the additional materials for arranging the safety-increasing cavity in the prior art are reduced, the explosion-proof grade of the safety-increasing cavity is improved, a wiring hole is sealed through an explosion-proof sealing structure, the safety-increasing cavity and an explosion-proof box body are separated, the safety-increasing cavity is not influenced when the explosion-proof box body explodes, the concave structure changes the movement path of flame and high-temperature gas in the explosion-proof box body to directly improve the safety of the whole power distribution device, and a metal explosion-proof layer is arranged on an explosion-proof surface, so that the explosion-proof and anti-dust-proof power distribution device has explosion-proof properties.
Description
Technical Field
The utility model relates to the field of explosion prevention, in particular to an explosion-proof and corrosion-proof power distribution device.
Background
An explosion-proof electrical appliance refers to a type of electrical equipment employed in a location where explosion-dangerous gases and vapors are present. Various gases and vapors with explosion risks are frequently encountered in chemical production, and proper explosion-proof electric appliances are properly selected in places with the mediums according to related specifications, standards and regulations, so that the explosion of surrounding explosive mixtures is prevented, and the explosion-proof electric appliances are important measures for ensuring safe production and preventing explosion and fire occurrence. The explosion-proof signs and technical data are usually also necessary on the explosion-proof appliances to avoid misuse.
The Chinese patent of application number CN201822254280.5 discloses a novel structure explosion proof case, including explosion proof box (1), cable connection terminal (19), explosion vent (12) and explosion proof lid (14), be equipped with division board (3) in explosion proof box (1), separate explosion proof box (1) inner space into upper and lower two cavities, be respectively for being located main explosion proof chamber (2) on upper portion and being located increase An Qiang (6) of lower part, explosion vent (12) and explosion proof lid (14) are from inside to outside locate the front side of main explosion proof chamber (2), increase An Qiang (6)'s front side and be equipped with sealed lid (15), cable connection terminal (19) are located the bottom of explosion proof box (1), be equipped with at least one wire through hole (4) on division board (3) are located wire through hole (4) department sets up sealed section of thick bamboo (5), waters in sealed section of thick bamboo (5) and seals sealed glue (11) of separating each wire. The explosion-proof box with the novel structure adopts a cavity-dividing structure, has small integral explosion-proof volume and high explosion-proof safety coefficient, and is convenient to overhaul and install.
However, in the above technology, the space in the explosion-proof box is divided into an upper chamber and a lower chamber to form an explosion-proof cavity and a main explosion-proof cavity, then an explosion-proof cover and a sealing cover are arranged, because the main explosion-proof cavity is mainly internally provided with electric appliances such as a circuit breaker which can generate sparks and electric arcs, the explosion-proof cavity is mainly used as a wiring chamber which can not generate sparks and electric arcs, the design makes the explosion-proof box large and heavy, the cost of the explosion-proof box is high, meanwhile, because the explosion-proof box is used for guaranteeing the explosion-proof effect, an aluminum alloy material or a stainless steel plate is usually adopted for welding the explosion-proof box, the surface of the aluminum alloy material is easy to corrode and oxidize by an external medium, the corrosion resistance is poor, and the manufacturing cost of the explosion-proof box welded by the stainless steel plate is very high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the explosion-proof and corrosion-proof power distribution device which is corrosion-proof, explosion-proof, low in cost and high in safety.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof anticorrosive distribution device, includes explosion-proof box, explosion-proof lid, its characterized in that: the explosion-proof cover is provided with an increase An Qiang, the bottom and the side wall of the increase safety cavity are integrally formed with the explosion-proof cover, the increase An Qiang outer cover is provided with an increase An Qiang cover which is detachably connected with the explosion-proof cover, a plurality of wiring holes are formed in the increase safety cavity, wires penetrating through two ends of the bottom of the increase safety cavity are arranged in the wiring holes, and explosion-proof sealing structures are arranged at positions of the increase An Qiang corresponding to the wiring holes.
By adopting the technical scheme, the safety-increasing cavity which is required to be additionally arranged is arranged on the explosion-proof cover, so that the bottom and the side wall of the safety-increasing cavity are integrally formed with the explosion-proof cover, namely, the additional material for arranging the safety-increasing cavity is reduced, the explosion-proof level of the safety-increasing cavity is improved, meanwhile, a wiring hole is formed in the safety-increasing cavity, a wire penetrates through the wiring hole to connect an electric appliance in the explosion-proof box with the safety-increasing cavity to finish wiring, and the safety-increasing cavity and the explosion-proof box are separated after the wiring hole is sealed through the explosion-proof sealing structure, so that the safety-increasing cavity is not influenced when the explosion-proof box explodes, and the safety of the whole power distribution device is improved.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: the safety increasing cavity is a concave structural surface which is arranged on the explosion-proof cover and is sunken towards one end.
By adopting the technical scheme, the safety increasing cavity is the concave structural surface sunken towards one end of the explosion-proof box body, so that the bottom and the side wall of the safety increasing cavity are integrally formed with the explosion-proof cover, the additional materials for setting the safety increasing cavity in the prior art are reduced, and meanwhile, the concave structural surface sunken downwards enables the high-temperature gas and flame formed after explosion to be blocked into a U-shaped path, the linear propagation path of the flame and the high-temperature gas is blocked, and the explosion-proof performance is greatly improved.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: the explosion-proof sealing structure comprises an explosion-proof flange arranged on the outer wall of the bottom of the increase An Qiang, a plurality of seal glue injection grooves are formed in the explosion-proof flange, and wiring holes are distributed in the seal glue injection grooves.
By adopting the technical scheme, the explosion-proof flange protruding towards one end of the explosion-proof box body is arranged on the outer wall of the bottom of the explosion-proof box body, and the plurality of inwards-sunken sealing glue injection grooves are formed in the explosion-proof flange, so that high-temperature gas and flame formed after explosion are blocked into a plurality of U-shaped, the linear propagation paths of the flame and the high-temperature gas are blocked, the explosion-proof performance is further improved, the explosion-proof performance of the glue injection surface of the wiring hole is improved, and the influence on the safety-increasing cavity is avoided.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: and the wiring hole is provided with a glue injection opening.
By adopting the technical scheme, through setting up the injecting glue opening, make wire wear to establish its space behind the wiring hole and be too narrow, for convenient injecting glue, the workman can be through injecting glue opening injection explosion-proof glue, makes the injecting glue process simpler.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: the safety cavity cover is provided with a plurality of standard connectors.
By adopting the technical scheme, the standard connector is arranged on the safety cavity cover, so that a user can conveniently and rapidly connect wires under the condition that the safety cavity is not required to be opened.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: the explosion-proof box body and the explosion-proof cover are made of plastic materials, two metal explosion-proof layers are correspondingly arranged on the joint surfaces between the explosion-proof box body and the explosion-proof cover, the metal explosion-proof layers are fixed on the joint surfaces at the two ends of the explosion-proof box body and the explosion-proof cover through a compression molding process, and the end surfaces, which are mutually attached, between the metal explosion-proof layers are explosion-proof surfaces.
By adopting the technical scheme, the explosion-proof box body and the explosion-proof cover are made of plastic materials, so that the power distribution device has anti-corrosion performance, and the explosion-proof box body and the explosion-proof cover have explosion-proof performance by arranging the metal explosion-proof layer between the explosion-proof box body and the explosion-proof cover, wherein the metal explosion-proof piece is low in manufacturing cost, and is directly integrally formed with the explosion-proof box body and the explosion-proof cover through a compression molding process, so that sealing is ensured, dust is avoided, and meanwhile, the connection tightness is also ensured. The explosion-proof flame-retardant cable has explosion-proof performance and anti-corrosion performance, and is low in manufacturing cost and simple in structure.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: the opposite surfaces between the metal explosion-proof layers are provided with annular jogged bulges and annular jogged grooves which are mutually matched and clamped.
By adopting the technical scheme, the setting of annular jogged bulge and annular jogged groove can prevent that the flame from leaking when breaking down and exploding in the explosion-proof box, provide suitable flameproof distance for the flameproof face, and realize waterproof dustproof, and convenient equipment, be convenient for the location between explosion-proof box, the explosion-proof lid when also assembling, only need with annular jogged bulge and annular jogged groove joint after, need not to control and remove explosion-proof box, explosion-proof lid and look for the location, then with explosion-proof box, explosion-proof lid screw tightening all around can.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: and a plurality of positioning protrusions and fastener mounting holes are formed on the joint surfaces of the metal explosion-proof layer and the explosion-proof box body or the explosion-proof cover.
By adopting the technical scheme, the metal explosion-proof layer is directly integrated and fixed with the explosion-proof box body or the explosion-proof cover through a compression molding process, and the positioning protrusions are arranged, so that the contact points of the metal explosion-proof layer and the explosion-proof box body or the explosion-proof cover can be increased, loosening is prevented, stability is improved, the setting of the fastener mounting holes is improved, after the power distribution device is covered, the bolts can be connected through the fastener mounting holes of the metal explosion-proof layer, namely, the explosion-proof performance is increased, and the corresponding assembly and the cover can be covered.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: the An Qiang cover is made of plastic materials, and the metal explosion-proof layer is made of aluminum alloy materials.
By adopting the technical scheme, the explosion-proof box body, the explosion-proof cover and the safety cavity cover which are in contact with the external environment are all made of plastic materials, so that the explosion-proof box body, the explosion-proof cover and the safety cavity cover have higher anti-corrosion and oxidation resistance, the service life of the power distribution device is prolonged, and the metal explosion-proof layer is made of aluminum alloy materials, so that the cost is reduced and meanwhile, the forming and the processing are convenient.
The above-mentioned explosion-proof anticorrosive distribution device can further set up to: and the explosion-proof cover is provided with an indicator lamp mounting cavity.
By adopting the technical scheme, the explosion-proof box body is provided with the explosion-proof indicator lamp mounting cavity, and the explosion-proof indicator lamp is arranged on the explosion-proof cover through the explosion-proof lamp mounting plate, so that operators can know the operation condition of the electric appliances in the explosion-proof box body from the outside conveniently.
The utility model is further described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is an exploded view of fig. 2 of an embodiment of the present utility model.
Fig. 4 is a schematic perspective view of a metal explosion-proof layer according to an embodiment of the present utility model.
Fig. 5 is a schematic perspective view 2 of a metal explosion-proof layer according to an embodiment of the present utility model.
Fig. 6 is a front view of an embodiment of the present utility model.
Fig. 7 is a schematic view of the AA cross-section of fig. 6.
Detailed Description
As shown in fig. 1-7, an explosion-proof and corrosion-proof distribution device comprises an explosion-proof box body 1 with an explosion-proof cavity 11, an explosion-proof cover 2 capable of sealing or promoting the conduction between the explosion-proof cavity 11 and the outside, and a cable connecting terminal 12 arranged on the explosion-proof box body 1, wherein the explosion-proof cover 2 is provided with an explosion-proof sealing structure corresponding to the wiring hole 33, the bottom 31 of the explosion-proof cavity 3 and a side wall 32 are integrally formed with the explosion-proof cover 2 through a compression molding process, so that the cost expenditure of the additional explosion-proof cavity 3 is reduced, the cost is reduced, the outer cover of the explosion-proof cavity 3 is provided with an explosion-proof An Qiang cover 4 detachably connected with the explosion-proof cover 2, a plurality of standard connectors 41 are arranged on the explosion-proof An Qiang cover 4, a plurality of wiring holes 33 are formed in the explosion-proof cavity 3, the wiring holes 33 are provided with wires 34 penetrating through the two end faces at the bottom 31 of the explosion-proof cavity 3, the explosion-proof sealing structure is arranged at the positions corresponding to the wiring holes 33, the cable connecting terminal 12 is used for connecting zero, the ground wire and the relay in the explosion-proof cavity 11, then the wiring cavity is connected with the relay 34 through the wiring holes 33, the wiring holes through the wiring holes 33 and the standard connectors and the wiring hole 4, the wiring cavity 4, and the wiring cavity is directly used as the explosion-proof cavity 3, and the explosion-proof cavity 3 is not required to be mounted in the explosion-proof cavity 3, and the explosion-proof cavity can be directly mounted in the explosion-proof cavity 3, and the explosion-proof cavity has the electrical connector is mounted and the electrical quality and the explosion-proof cavity.
As shown in fig. 2, fig. 3 and fig. 7, the explosion-proof sealing structure comprises an explosion-proof flange 35 arranged on the outer wall of the bottom 31 of the safety-increasing cavity 3, a plurality of seal glue injection grooves 36 are arranged in the explosion-proof flange 35, wiring holes 33 are distributed in the seal glue injection grooves 36, glue injection openings 331 are arranged at the positions of the wiring holes 33, the strength of the bottom of the safety-increasing cavity 3 is increased by the explosion-proof flange 35 arranged at the bottom, a plurality of seal glue injection grooves 36 are formed in the inner part, the tightness is improved by the convenience of the wiring holes 33 flowing into the seal glue injection grooves 36 after glue injection is carried out through the glue injection openings, and meanwhile, when explosion occurs in the explosion-proof cavity, the concave structure of the bottom 31 of the safety-increasing cavity 3 and the plurality of concave seal glue injection grooves 36 in the explosion-proof flange 35, the structure increases the effective explosion-proof area of the explosion-proof surface at the bottom of the safety-increasing cavity, and also blocks the straight line propagation path of flame and high-temperature gas, so that the explosion-proof performance is greatly increased, and the harm of explosion-proof gas is reduced.
As shown in fig. 1-3, the explosion-proof cover 2 is provided with a handle 21, which is convenient for workers to extract and transport the power distribution device, and the explosion-proof cover 2 is provided with an indicator lamp mounting cavity 22, which is convenient for workers to know the internal on-off condition directly through observing the indicator lamp.
As shown in fig. 1-3, a hinge group 5 is arranged between the explosion-proof cover 2 and the explosion-proof box body 1, the hinge group 5 comprises a lower hinge which is detachably and fixedly connected with the explosion-proof box body 1 and an upper hinge which is detachably and fixedly connected with the explosion-proof cover 2, the hinge group 5 is arranged, so that the explosion-proof cover 2 is convenient to open, install and overhaul electrical components in an explosion-proof cavity, the assembly between the explosion-proof box body 1 and the explosion-proof cover 2 is also facilitated, a strip-shaped hinge hole is arranged at the lower hinge, the upper hinge and the lower hinge can be made to move relatively, the explosion-proof box body 1 and the explosion-proof cover 2 can be opened completely in the opening process, the influence caused by errors such as processing can be reduced, and the explosion-proof box body 1 and the explosion-proof cover 2 can be covered completely.
As shown in fig. 1-7, the explosion-proof box body 1, the explosion-proof cover 2 and the safety-increasing cavity cover are made of plastic materials, two metal explosion-proof layers 6 are correspondingly arranged on the joint surfaces between the explosion-proof box body 1 and the explosion-proof cover 2, the metal explosion-proof layers 6 are fixed on the joint surfaces at two ends of the explosion-proof box body 1 and the explosion-proof cover 2 through a compression molding process, the mutually-adhered end surfaces between the metal explosion-proof layers 6 are explosion-proof surfaces, and the metal explosion-proof layers 6 are made of aluminum alloy materials.
As shown in fig. 4 and 5, the opposite surfaces between the metal explosion-proof layers 6 are provided with annular engaging protrusions 61 and annular engaging grooves 62 which are mutually matched and clamped, and the bonding surfaces of the metal explosion-proof layers 6 and the explosion-proof box body 1 and/or the explosion-proof cover 2 are provided with a plurality of positioning protrusions 63 and fastener mounting holes 64. The annular embedded protrusion 61 and the annular embedded groove 62 are arranged to prevent the flame from leaking when the explosion-proof box 1 fails and explodes, provide a proper explosion-proof distance for the explosion-proof surface, improve the waterproof and dustproof capabilities of the explosion-proof surface, and facilitate the rapid positioning when the explosion-proof cover 2 and the explosion-proof box 1 are assembled.
Claims (10)
1. The utility model provides an explosion-proof anticorrosive distribution device, includes explosion-proof box and explosion-proof lid, its characterized in that: the explosion-proof cover is provided with an increase An Qiang, the bottom and the side wall of the increase safety cavity are integrally formed with the explosion-proof cover, the increase An Qiang outer cover is provided with an increase An Qiang cover which is detachably connected with the explosion-proof cover, a plurality of wiring holes are formed in the increase safety cavity, wires penetrating through two ends of the bottom of the increase safety cavity are arranged in the wiring holes, and explosion-proof sealing structures are arranged at positions of the increase An Qiang corresponding to the wiring holes.
2. An explosion-proof and corrosion-proof power distribution device according to claim 1, wherein: the safety increasing cavity is a concave structural surface which is arranged on the explosion-proof cover and is sunken towards one end.
3. An explosion-proof and corrosion-proof power distribution device according to claim 2, wherein: the explosion-proof sealing structure comprises an explosion-proof flange arranged on the outer wall of the bottom of the increase An Qiang, a plurality of seal glue injection grooves are formed in the explosion-proof flange, and wiring holes are distributed in the seal glue injection grooves.
4. An explosion-proof and corrosion-proof power distribution device according to claim 3, wherein: and the wiring hole is provided with a glue injection opening.
5. An explosion-proof and corrosion-proof power distribution device according to claim 3, wherein: the safety cavity cover is provided with a plurality of standard connectors.
6. An explosion-proof and corrosion-proof power distribution device according to any one of claims 1 to 5, wherein: the explosion-proof box body and the explosion-proof cover are made of plastic materials, two metal explosion-proof layers are correspondingly arranged on the joint surfaces between the explosion-proof box body and the explosion-proof cover, the metal explosion-proof layers are fixed on the joint surfaces at the two ends of the explosion-proof box body and the explosion-proof cover through a compression molding process, and the end surfaces, which are mutually attached, between the metal explosion-proof layers are explosion-proof surfaces.
7. The explosion-proof and corrosion-proof power distribution device according to claim 6, wherein: the opposite surfaces between the metal explosion-proof layers are provided with annular jogged bulges and annular jogged grooves which are mutually matched and clamped.
8. The explosion-proof and corrosion-proof power distribution device according to claim 7, wherein: and a plurality of positioning protrusions and fastener mounting holes are formed on the joint surfaces of the metal explosion-proof layer and the explosion-proof box body or the explosion-proof cover.
9. The explosion-proof and corrosion-proof power distribution device according to claim 7, wherein: the An Qiang cover is made of plastic materials, and the metal explosion-proof layer is made of aluminum alloy materials.
10. The explosion-proof and corrosion-proof power distribution device according to claim 6, wherein: and the explosion-proof cover is provided with an indicator lamp mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320868887.0U CN220233878U (en) | 2023-04-12 | 2023-04-12 | Explosion-proof anticorrosive distribution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320868887.0U CN220233878U (en) | 2023-04-12 | 2023-04-12 | Explosion-proof anticorrosive distribution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233878U true CN220233878U (en) | 2023-12-22 |
Family
ID=89180380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320868887.0U Active CN220233878U (en) | 2023-04-12 | 2023-04-12 | Explosion-proof anticorrosive distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233878U (en) |
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2023
- 2023-04-12 CN CN202320868887.0U patent/CN220233878U/en active Active
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