CN220066791U - Junction box for high-protection explosion-proof motor - Google Patents
Junction box for high-protection explosion-proof motor Download PDFInfo
- Publication number
- CN220066791U CN220066791U CN202321448636.3U CN202321448636U CN220066791U CN 220066791 U CN220066791 U CN 220066791U CN 202321448636 U CN202321448636 U CN 202321448636U CN 220066791 U CN220066791 U CN 220066791U
- Authority
- CN
- China
- Prior art keywords
- strength
- junction box
- sealing
- junction
- proof motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Connection Or Junction Boxes (AREA)
Abstract
The utility model relates to the technical field of junction boxes, in particular to a junction box for a high-protection explosion-proof motor, which comprises the following components: the high-strength box body and the high-strength sealing cover are provided with a vacuum groove and a mounting groove, a wiring board is mounted on the inner side of the vacuum groove, wiring terminals are symmetrically arranged on the wiring board, a second sealing column is arranged on the inner side of the wiring pipe, and a wire is connected to the inner side of the second sealing column. The high-strength box body and the high-strength sealing cover of the junction box are made of high-strength steel, so that the strength of the junction box can be increased, the junction box is prevented from being damaged due to collision, and the protection performance of the junction box is improved; insulating layer is used for insulating and wrapping the junction of the junction post and the metal sleeve, then sealing is performed on the junction box through the sealing gasket, the first sealing post and the second sealing post to prevent external inflammable gas from entering the junction box, so that the air tightness is improved, and finally vacuum isolated gas is pumped out of the vacuum groove through the square air bag, so that the safety and explosion resistance of the junction box can be effectively improved.
Description
Technical Field
The utility model relates to the technical field of junction boxes, in particular to a junction box for a high-protection explosion-proof motor.
Background
The explosion-proof motor is a motor which can be used in flammable and explosive factories and does not generate electric spark during operation. An explosion proof enclosure is used to isolate electrical components that may generate sparks, arcs and hazardous temperatures from the surrounding explosive gas mixture.
The terminal box is a terminal box body that explosion-proof motor upper end is used for electric connection, adopts plastics or aluminum product to make generally, and casing intensity is poor, receives the damage of colliding with easily, leads to outside combustible gas to get into inside the terminal box, takes place the dangerous case easily when producing the electric arc in the terminal box.
Meanwhile, the terminal box has poor air tightness, sparks, electric arcs and the like are generated among terminal posts in the terminal box, and the explosion can be generated due to the fact that the electric arcs or the electric sparks are strong ignition sources when external combustible gas enters, and explosive dust or gas is encountered.
To this end, we propose a junction box for a high protection explosion-proof motor that solves the above mentioned problems.
Disclosure of Invention
The utility model aims to provide a junction box for a high-protection explosion-proof motor, which aims to solve the problem of poor explosion-proof effect of the junction box.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a junction box for a high protection explosion-proof motor, comprising: the high-strength box body is provided with a vacuum groove and a mounting groove, a wiring board is mounted on the inner side of the vacuum groove, wiring posts are symmetrically arranged on the wiring board, the high-strength sealing cover is fixed on the high-strength box body, a threading pipe is arranged on the high-strength sealing cover, a second sealing column is arranged on the inner side of the threading pipe, and a wire is connected on the inner side of the second sealing column.
Preferably, one end of the wire is connected with a metal sleeve, the metal sleeve is sleeved on the binding post, and an insulating layer is arranged on the metal sleeve.
Preferably, the high-strength box body is provided with a sealing gasket, and the sealing gasket is connected with the high-strength sealing cover.
Preferably, the vacuum groove and the wiring board are provided with preformed holes, and the inner sides of the preformed holes are connected with first sealing columns.
Preferably, the square air bag is installed on the inner side of the installation groove, the air duct of the square air bag is positioned on the inner side of the first sealing column, and the rubber anti-reverse suction nozzle is sleeved on the air duct of the square air bag.
Preferably, the square gasbag is inside symmetry be fixed with the return plate, be provided with the spring between the return plate.
Preferably, the lower end of the square air bag is provided with an arc-shaped groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the high-strength box body and the high-strength sealing cover of the junction box are made of high-strength steel, so that the strength of the junction box can be increased, the junction box is prevented from being damaged due to collision, and the protection performance of the junction box is improved.
2. According to the utility model, the junction of the junction box and the metal sleeve is subjected to insulating wrapping through the insulating layer, then the junction of the high-strength box body and the high-strength sealing cover, the junction of the high-strength box body and the square air bag air duct and the junction of the high-strength sealing cover and the lead are sealed through the sealing gasket, the first sealing post and the second sealing post, so that the external inflammable gas is prevented from entering, the air tightness is improved, and finally the square air bag is propped up by the elastic pushing return plate of the spring to extract the vacuum isolated gas, so that the safety and the explosion resistance of the junction box can be effectively improved, and the potential safety hazards caused by electric arc generation and the external gas entering are avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a top view of the high strength box of the present utility model;
FIG. 4 is a plan view of a patch panel of the present utility model;
in the figure: 1 high-strength box body, 11 vacuum groove, 12 preformed hole, 13 first sealing column, 14 mounting groove, 15 sealing gasket, 2 high-strength sealing cover, 21 threading pipe, 22 second sealing column, 3 wiring board, 31 terminal, 4 square air bag, 41 return plate, 43 spring, 44 rubber reverse suction nozzle, 45 arc groove, 5 wire, 51 metal antenna, 52 insulating layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2, 3, and 4, a junction box for a high protection explosion-proof motor is shown in the drawings, which includes: the high-strength box body 1 and the high-strength sealing cover 2 are made of high-strength steel, the strength of the junction box can be increased, the junction box is prevented from being damaged due to collision deformation, the vacuum groove 11 and the mounting groove 14 are formed in the high-strength box body 1, the wiring board 3 is mounted on the inner side of the vacuum groove 11, the wiring board 3 is symmetrically provided with the wiring posts 31, the high-strength sealing cover 2 is fixed on the high-strength box body 1, the wiring pipe 21 is arranged on the high-strength sealing cover 2, the second sealing post 22 is arranged on the inner side of the wiring pipe 21, the lead 5 is connected on the inner side of the second sealing post 22, and the junction of the lead 5 and the wiring pipe 21 is sealed through the second sealing post 22.
One end of the wire 5 is connected with a metal sleeve 51, the metal sleeve 51 is made of copper pipes, the metal sleeve 51 is sleeved on the binding post 31 to facilitate connection and positioning between the wire 5 and the binding post 31, the metal sleeve 51 is sleeved on the binding post 31, an insulating layer 52 is arranged on the metal sleeve 51, and the insulating layer 52 can play a role in insulating and preventing electric arcs from being generated to further improve safety.
The high-strength box body 1 is provided with a sealing gasket 15, the sealing gasket 15 is connected with the high-strength sealing cover 2, and the sealing gasket 15 seals the joint of the high-strength box body 1 and the high-strength sealing cover 2.
The vacuum groove 11 and the wiring board 3 are provided with preformed holes 12, the inner sides of the preformed holes 12 are connected with first sealing columns 13, and the first sealing columns 13 seal the joints of the preformed holes 12 and the air guide pipes of the square air bags 4 to prevent external air from entering.
The square gasbag 4 is installed to the mounting groove 14 inboard, square gasbag 4's air duct is located first seal post 13 inboard, first seal post 13 seals square chamber 4's air duct and preformed hole 12 junction, rubber anti-reverse suction nozzle 44 has been cup jointed on square gasbag 4's the air duct, rubber anti-reverse suction nozzle 44 cup joints on square gasbag 4's air duct through its with the air duct between frictional force location, extrude square gasbag 4 inside gas when the maintenance terminal box after convenient dismantlement, rubber anti-reverse suction nozzle 44 is similar with the anti-flatulence structure that the baby's feeding bottle was used, can prevent external gas suction air duct that square gasbag 4 inside gas from leaking outward from the air duct.
The inside symmetry of square gasbag 4 is fixed with the back plate 42, and the inside at square gasbag 4 is glued to the back plate 42 of lower extreme corresponds arc recess 45 and is provided with the recess, is provided with spring 43 between the back plate 42, and after sealed vacuum tank 11 of sealed lid 2 excels in, takes out the roof that is located square gasbag 4 lower extreme, promotes back plate 42 through spring 43's elasticity and struts square gasbag 4, and the inside that makes the inside formation vacuum of vacuum tank 11 of gas in vacuum tank 11 through the inside of the suction nozzle 44 suction square gasbag 4 of rubber prevents that the oxygen avoids producing dangerous situation.
The lower extreme of square gasbag 4 is provided with arc recess 45, and the setting of arc recess 45 is convenient to upwards extrude square gasbag 4 along mounting groove 14 and discharges the gas in the square gasbag 4 through the air duct.
When the junction box is used: the high-strength box body 1 and the high-strength sealing cover 2 are made of high-strength steel, so that the strength of the junction box can be increased, the junction box is prevented from being damaged by collision deformation, and the protection performance of the junction box can be improved.
During wiring, the rubber anti-reverse suction nozzle 44 is detached, then the square air bag 4 is extruded upwards along the mounting groove 14 through the arc-shaped groove 45 to discharge gas in the square air bag 4 through the air duct, then the square air bag 4 is supported by the cushion block in an abutting mode, the rubber air discharge suction nozzle 44 is installed on the air duct again, wiring is started, the metal sleeve 51 is sleeved on the wiring post 31, the electric connection can be insulated and wrapped through the insulating layer 52 on the metal sleeve 51, then the high-strength sealing cover 2 is fixed at the upper end of the high-strength box body 1, the connection of the high-strength box body 1 and the high-strength sealing cover 2 is sealed through the sealing gasket 15, the connection of the wire 5 and the wire through the pipe 21 is sealed through the second sealing post 22, the air duct of the square air bag 4 is sealed with the preformed hole 12 through the first sealing post 13, so that external gas can be prevented from entering the inner side of the vacuum groove 11, after the high-strength sealing cover 2 is fixed, the cushion block at the lower end of the square air bag 4 is removed, the high-strength sealing cover 42 can be used for insulating and the electric connection can be carried out through the elastic pushing of the spring 43, the high-strength sealing cover 2, the internal oxygen can be prevented from being sucked into the vacuum groove 11 through the high-strength sealing cover, and the internal anti-explosion air bag 11 can be prevented from forming the vacuum explosion protection effect.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A junction box for a high-protection explosion-proof motor, comprising:
high-strength box body (1) and high-strength sealed lid (2), be provided with vacuum groove (11) and mounting groove (14) on high-strength box body (1), wiring board (3) are installed to vacuum groove (11) inboard, the symmetry is provided with terminal (31) on wiring board (3), high-strength sealed lid (2) are fixed on high-strength box body (1), be provided with threading pipe (21) on high-strength sealed lid (2), threading pipe (21) inboard is provided with second seal post (22), second seal post (22) inboard is connected with wire (5).
2. The junction box for a high-protection explosion-proof motor according to claim 1, wherein: one end of the wire (5) is connected with a metal sleeve (51), the metal sleeve (51) is sleeved on the binding post (31), and an insulating layer (52) is arranged on the metal sleeve (51).
3. The junction box for a high-protection explosion-proof motor according to claim 1, wherein: the high-strength box body (1) is provided with a sealing gasket (15), and the sealing gasket (15) is connected with the high-strength sealing cover (2).
4. The junction box for a high-protection explosion-proof motor according to claim 1, wherein: the vacuum groove (11) and the wiring board (3) are provided with preformed holes (12), and the inner sides of the preformed holes (12) are connected with first sealing columns (13).
5. The junction box for a high-protection explosion-proof motor according to claim 1, wherein: the square air bag (4) is installed on the inner side of the installation groove (14), the air duct of the square air bag (4) is located on the inner side of the first sealing column (13), and the rubber anti-reverse suction nozzle (44) is sleeved on the air duct of the square air bag (4).
6. The junction box for a high-protection explosion-proof motor according to claim 5, wherein: the square air bag (4) is internally and symmetrically fixed with a return plate (42), and springs (43) are arranged between the return plates (42).
7. The junction box for a high-protection explosion-proof motor according to claim 5, wherein: the lower end of the square air bag (4) is provided with an arc-shaped groove (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321448636.3U CN220066791U (en) | 2023-06-07 | 2023-06-07 | Junction box for high-protection explosion-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321448636.3U CN220066791U (en) | 2023-06-07 | 2023-06-07 | Junction box for high-protection explosion-proof motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220066791U true CN220066791U (en) | 2023-11-21 |
Family
ID=88751275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321448636.3U Active CN220066791U (en) | 2023-06-07 | 2023-06-07 | Junction box for high-protection explosion-proof motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220066791U (en) |
-
2023
- 2023-06-07 CN CN202321448636.3U patent/CN220066791U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101716403B (en) | Spraying agent type automatic fire extinguishing device for vehicle | |
| CN201119174Y (en) | Explosion-proof junction box for appliance device | |
| CN211455768U (en) | Mining flame proof power box with double-layer protection structure | |
| CN106848964A (en) | A kind of 35kv all insulations enclosed busbar | |
| CN102271476B (en) | Explosionproof operation box | |
| CN220066791U (en) | Junction box for high-protection explosion-proof motor | |
| CN207426883U (en) | A kind of fire-proof motor terminal box | |
| CN2924748Y (en) | Explosion-proof capacitor | |
| CN214481698U (en) | Explosion-proof inverter | |
| CN217684384U (en) | Carbon dioxide storage device | |
| CN105529181A (en) | Power capacitor anti-explosion cover assembly | |
| CN2847658Y (en) | Anti-explosion submersible motor | |
| CN211297253U (en) | Explosion-proof structure for chemical equipment | |
| CN216625480U (en) | Motor joint device for R290 refrigerant compressor | |
| CN202111954U (en) | Flameproof operation box | |
| CN113241656A (en) | Air insulation high-voltage vacuum ring main unit | |
| CN207967383U (en) | Non-spark three-phase and quadrupole plugs and sockets | |
| CN207038347U (en) | A kind of protected against explosion fan capacitor | |
| CN201282266Y (en) | Interface device for high-voltage insulation spark plug and ignition cable | |
| CN105336899A (en) | Storage battery | |
| CN205211812U (en) | Storage battery | |
| CN214281858U (en) | Explosion-proof electric shock isolation protector rack | |
| CN219875293U (en) | Explosion-proof motor | |
| CN220692762U (en) | Junction box for explosion-proof motor | |
| CN115472427B (en) | Mechanical explosion-proof structure of power capacitor and implementation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |