CN218242909U - Explosion-proof type explosion-proof wall head device - Google Patents
Explosion-proof type explosion-proof wall head device Download PDFInfo
- Publication number
- CN218242909U CN218242909U CN202222247151.XU CN202222247151U CN218242909U CN 218242909 U CN218242909 U CN 218242909U CN 202222247151 U CN202222247151 U CN 202222247151U CN 218242909 U CN218242909 U CN 218242909U
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- Prior art keywords
- explosion
- proof
- sealing plug
- joint
- head device
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- 238000000034 method Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 210000001503 joint Anatomy 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 7
- 238000012824 chemical production Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides an explosion-proof wall first device that cuts off of flame-proof type, connect including terminal connection and process, terminal connection is used for being connected with explosion-proof dish cabinet case, and the process connects and is used for being connected with explosion-proof hose, and the terminal connection outer wall is equipped with spacing piece, and the terminal connection both ends are equipped with the external screw thread, and terminal connection one end is equipped with rather than complex lock nut, and the other end is equipped with the sealing plug, is equipped with the through-hole that the power supply cable passed on the sealing plug, and the process connects both ends and is equipped with the internal thread, and the process connects the pipe wall with sealing plug contact position and be the toper structure. The device is particularly suitable for the explosion-proof treatment of the on-site explosion-proof disc cabinet box wire inlet in a chemical production device.
Description
Technical Field
The utility model relates to an explosion-proof technical field, in particular to explosion-proof wall head device of flame-proof type.
Background
In the chemical production device, a large number of pumps, instruments and meters and equipment facilities are installed on site, all units of the chemical production device are formed, in order to complete production task coordination work, the pump start-stop control, the instrument and meter display, the equipment facility operation control and the like are connected into a central control room DCS system through cables, some pump start-stop control, instrument and meter display, the equipment facility operation control and the like are connected into a site explosion-proof disc cabinet box, most of the explosion-proof disc cabinet boxes are installed in an explosion-proof area of the device, in order to ensure the safety of the area, explosion-proof treatment is carried out on an interface of a cable entering the explosion-proof disc cabinet box, and when the site explosion-proof disc cabinet box is installed, an explosion-proof hose is installed between a threading pipe and the explosion-proof disc cabinet box. CN213027267U discloses an explosion-proof hose device is connected to cutting ferrule formula, including floating nut and explosion-proof hose, explosion-proof hose divides into explosion-proof hose A end and explosion-proof hose B end, the threading pipe pass the floating nut and with stretch into explosion-proof hose A end, the floating nut internal thread matches with the external screw thread of explosion-proof hose A end, be equipped with the cutting ferrule at floating nut and explosion-proof hose A end, the cutting ferrule cuts into the threading pipe chucking and seals, the cutting ferrule is the conical surface body and contradicts each other with the interior conical surface of explosion-proof hose A end front end and forms the conical surface sealed. The device is favorable for connecting the explosion-proof hose, but how to reliably connect the explosion-proof hose with the explosion-proof disc cabinet box and reach the explosion-proof requirement, and the technical problem to be solved by technical personnel in the field at present is urgently needed.
Disclosure of Invention
The utility model aims to solve the technical problem that an explosion-proof wall head device of flame-proof type is provided, the explosion-proof processing of on-spot explosion-proof dish cabinet case inlet wire among the specially adapted chemical production device.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides an explosion-proof wall first device that cuts off of flame-proof type, including terminal joint and process joint, terminal joint is used for being connected with explosion-proof dish cabinet case, the process joint is used for being connected with explosion-proof hose, the terminal joint outer wall is equipped with spacing piece, the terminal joint both ends are equipped with the external screw thread, terminal joint one end is equipped with rather than complex lock nut, the other end is equipped with the sealing plug, be equipped with the through-hole that the power supply cable passed on the sealing plug, the process connects both ends and is equipped with the internal thread, the process connects the pipe wall with sealing plug contact site and is the toper structure.
In a preferred scheme, a gasket is arranged on one side, close to the limiting piece, of the locking nut.
In a preferred scheme, the limiting sheet is of a hexagonal structure.
In a preferred scheme, one end of the sealing plug is a plugging end, the other end of the sealing plug is a conical end, and the plugging end is arranged in the terminal joint.
In a preferable scheme, a plugging step is arranged on the outer side of the plugging end.
In a preferred scheme, the outer side of the process joint is provided with an operating bulge, and the operating bulge is of a hexagonal structure.
The utility model provides a pair of explosion-proof wall head device of flame-proof type, the process connects the cable locking back, can be used to the fixed cable that gets into explosion-proof dish cabinet case, connects reliably, firmly, can prevent the mechanical stress that on-the-spot complex environment probably produced, and effective protection cable can prevent that combustible gas from getting into explosion-proof dish cabinet case, simple structure, the installation of being convenient for. The sealing and explosion-proof of the wire inlet of the on-site explosion-proof disc cabinet box are realized, and the explosion-proof requirement of an explosion-proof area in chemical production is met.
Drawings
The invention is further described below with reference to the drawings and the examples:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the terminal fitting;
FIG. 3 is a schematic diagram of a process coupling;
FIG. 4 is a side view of a process coupling;
fig. 5 is a schematic view of the sealing plug;
in the figure: the plug comprises a terminal connector 1, a process connector 2, a locking nut 3, a sealing plug 4, a gasket 5, a limiting sheet 101, an operation bulge 201, a plugging end 401, a conical end 402 and a plugging step 403.
Detailed Description
As shown in fig. 1 to 5, an explosion-proof type explosion-proof partition head device, including terminal joint 1 and process joint 2, terminal joint 1 and process joint 2 are tubular structures, make things convenient for the cable to pass from terminal joint 1 and process joint 2, terminal joint 1 is used for being connected with explosion-proof dish cabinet case, process joint 2 is used for being connected with explosion-proof hose, process joint 2 carries out the spiro union with explosion-proof hose, terminal joint 1 outer wall is equipped with spacing piece 101, 1 both ends of terminal joint are equipped with the external screw thread, 1 one end of terminal joint is equipped with rather than complex lock nut 3, the other end is equipped with sealing plug 4, be equipped with the through-hole that the power cable passed on sealing plug 4, process joint 2 both ends are equipped with the internal thread, process joint 2 carries out the spiro union with terminal joint 1, the pipe wall of process joint 2 and sealing plug 4 contact site is the toper structure, the one end bore that toper structure is close to terminal joint 1 is greater than the bore of the other end.
When the explosion-proof disc cabinet cable is used, one end of the terminal connector 1 is inserted into a wire inlet of the explosion-proof disc cabinet, the terminal connector 1 and the explosion-proof disc cabinet are locked by the locking nut 3 from the explosion-proof disc cabinet, the box wall of the explosion-proof disc cabinet is limited between the locking nut 3 and the limiting piece 101, connection of the terminal connector 1 is completed, a sealing plug 4 is arranged at the other end of the terminal connector 1 and is in threaded connection with one end of the process connector 2, the other end of the process connector 2 is connected into an explosion-proof hose, a cable penetrates into the explosion-proof disc cabinet through the explosion-proof hose and then enters the explosion-proof disc cabinet, the process connector 2 and the terminal connector 1 are screwed, the sealing plug 4 is contracted under the action of a conical structure inside the process connector 2, the cable is tightly wrapped, and the effect of sealing the cable entering the explosion-proof disc cabinet and the outside is achieved. The explosion-proof type explosion-proof partition head device completely isolates the interior of the explosion-proof disc cabinet box from the external environment, and has an explosion-proof effect.
Preferably, a gasket 5 is arranged on one side of the lock nut 3 close to the limiting piece 101. The gasket 5 is arranged between the explosion-proof disc cabinet box and the locking nut 1 and used for sealing the terminal joint 1 and the explosion-proof disc cabinet box.
Preferably, the limiting piece 101 has a hexagonal structure. When locking nut 3 is installed conveniently, through spanner and spacing piece 101 cooperation, the convenience is fixed terminal joint 1.
Preferably, the process connection head 2 has an operation protrusion 201 on the outer side, and the operation protrusion 201 has a hexagonal structure. Through setting up operation arch 201, conveniently fix process connector 2 through the spanner, make things convenient for the installation of process connector 2 and the connection of explosion-proof hose.
Preferably, as shown in fig. 5, one end of the sealing plug 4 is a plugging end 401, and the other end is a tapered end 402, the plugging end 401 is arranged in the terminal fitting 1, and the tapered end 402 corresponds to the tapered structure of the inner wall of the process fitting 2.
The outer side of the plugging end 401 is provided with a plugging step 403, so that the plugging step is convenient to be tightly matched with the terminal connector 1.
The device seals and insulates explosion of the wire inlet of the on-site explosion-proof disc cabinet box, and meets the explosion-proof requirement of an explosion-proof area in chemical production. The process connector 2 can be used for fixing the cable entering the explosion-proof disc cabinet box after locking the cable, is reliable and firm in connection, can prevent mechanical stress possibly generated by a complex environment on site, effectively protects the cable, can prevent combustible gas from entering the explosion-proof disc cabinet box, and is simple in structure and convenient to install.
Claims (6)
1. The utility model provides an explosion-proof wall head device of flame-proof type which characterized in that: including terminal joint (1) and process joint (2), terminal joint (1) is used for being connected with explosion-proof dish cabinet case, process joint (2) are used for being connected with explosion-proof hose, terminal joint (1) outer wall is equipped with spacing piece (101), terminal joint (1) both ends are equipped with the external screw thread, terminal joint (1) one end is equipped with rather than complex lock nut (3), the other end is equipped with sealing plug (4), be equipped with the through-hole that the power supply cable passed on sealing plug (4), process joint (2) both ends are equipped with the internal thread, process joint (2) are the toper structure with sealing plug (4) contact site's pipe wall.
2. The explosion-proof type explosion-proof partition head device of claim 1, characterized in that: and a gasket (5) is arranged on one side of the locking nut (3) close to the limiting piece (101).
3. The explosion-proof type explosion-proof partition head device of claim 1, characterized in that: the limiting piece (101) is of a hexagonal structure.
4. The explosion-proof type explosion-proof partition head device of claim 1, characterized in that: one end of the sealing plug (4) is a plugging end (401), the other end of the sealing plug is a conical end (402), and the plugging end (401) is arranged in the terminal joint (1).
5. The explosion-proof type explosion-proof partition head device of claim 4, characterized in that: the outer side of the plugging end (401) is provided with a plugging step (403).
6. The explosion-proof type explosion-proof partition head device of claim 1, characterized in that: the outer side of the process connector (2) is provided with an operation protrusion (201), and the operation protrusion (201) is of a hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222247151.XU CN218242909U (en) | 2022-08-25 | 2022-08-25 | Explosion-proof type explosion-proof wall head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222247151.XU CN218242909U (en) | 2022-08-25 | 2022-08-25 | Explosion-proof type explosion-proof wall head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218242909U true CN218242909U (en) | 2023-01-06 |
Family
ID=84684127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222247151.XU Active CN218242909U (en) | 2022-08-25 | 2022-08-25 | Explosion-proof type explosion-proof wall head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218242909U (en) |
-
2022
- 2022-08-25 CN CN202222247151.XU patent/CN218242909U/en active Active
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