CN204517317U - explosion-proof wiring device - Google Patents
explosion-proof wiring device Download PDFInfo
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- CN204517317U CN204517317U CN201520094913.4U CN201520094913U CN204517317U CN 204517317 U CN204517317 U CN 204517317U CN 201520094913 U CN201520094913 U CN 201520094913U CN 204517317 U CN204517317 U CN 204517317U
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- wire
- joint
- penetration pipe
- fixing jacket
- terminal box
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Abstract
The utility model discloses a kind of explosion-proof wiring device, first joint (3) is installed in the gas thread connector of on the left side terminal box (1), in the gas thread connector on the right terminal box (1), the second joint (4) is installed, and the second joint (4) and the first joint (3) are together by a threaded connection; The first penetration pipe (5), the first wire-fixing jacket (6), pour mass (7) and the second wire-fixing jacket (8) is set gradually from left to right in the first joint (3), described second wire-fixing jacket (8) is arranged in the second penetration pipe (9), the right-hand member of the second penetration pipe (9) embeds the second joint (4), and in the second joint (4), arrange the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11).The utility model is simple and reasonable for structure, and cost is low, easy accessibility, quick, sealing and fail safe good, can effectively prevent surrounding environment fuel gas from bleeding blast that terminal box causes.
Description
Technical field
The utility model relates to a kind of explosion-proof wiring device, connects for the cable under low temperature environment.
Background technology
In existing technology, the electric equipment used in explosive gas atmosphere not only itself requires reliable anti-explosion safety performance, and its accessories also needs anti-explosion safety performance, as: the terminal box that cable connects.Current terminal box is only made up of one group of housing, cap and introducing device, and sealing is low at low ambient temperatures, security performance is also low.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of explosion-proof wiring device that can keep good seal performance and security performance at low ambient temperatures.
The technical solution of the utility model is as follows: a kind of explosion-proof wiring device, comprise enamelled wire (2) and carry the terminal box (1) of gas thread connector, its key is: two, left and right terminal box (1) is arranged side by side, first joint (3) is installed in the gas thread connector of on the left side terminal box (1), in the gas thread connector on the right terminal box (1), the second joint (4) is installed, and the second joint (4) and the first joint (3) are together by a threaded connection; The first penetration pipe (5), the first wire-fixing jacket (6), pour mass (7) and the second wire-fixing jacket (8) is set gradually from left to right in described first joint (3), described second wire-fixing jacket (8) is arranged in the second penetration pipe (9), the right-hand member of the second penetration pipe (9) embeds the second joint (4), and the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11) are set in the second joint (4), the 3rd wire-fixing jacket (10) is positioned between the second penetration pipe (9) and the 3rd penetration pipe (11); Described enamelled wire (2), successively through the first penetration pipe (5), the first wire-fixing jacket (6), pour mass (7), the second wire-fixing jacket (8), the second penetration pipe (9), the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11), is introduced the terminal box (1) on the right from the terminal box (1) on the left side.
Adopt above technical scheme, the joint by threaded engagement between two terminal boxes connects, easy accessibility, connects not only firm but also reliable.Be provided with the hermetic unit be made up of pour mass within a fitting, be provided with and fix and the wire-fixing jacket preventing enamelled wire from rotating, simultaneously two joints also play the effect of compression, can effectively prevent surrounding environment fuel gas from bleeding like this blast that terminal box causes, not only good airproof performance, and safe and reliable, be particularly useful in low temperature explosive gas atmosphere.
Described first penetration pipe (5) and the first wire-fixing jacket (6) are all by plastic deformation and the first joint (3) tight fit, and the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11) are all by plastic deformation and the second joint (4) tight fit.Above structure penetration pipe and wire-fixing jacket are reliable in the joint inner position of correspondence, can not occur to loosen or come off.
In order to prevent to relatively rotate, described second wire-fixing jacket (8) is by plastic deformation and the second penetration pipe (9) tight fit, second penetration pipe (9) is made of metal, and this second penetration pipe (9) is connected with the first joint (3) by the pin axially worn.
For the ease of shaping, guarantee sealing property further, described pour mass (7) is solidified by pouring agent and forms, the left end of this pour mass (7) and the right-hand member of the first wire-fixing jacket (6) are close to, and the right-hand member of pour mass (7) and the left end of the second wire-fixing jacket (8) are close to.
In order to prevent enamelled wire at random or occur beat strand, the number of described enamelled wire (2) is three, each wire-fixing jacket has three location holes corresponding with three enamelled wires (2), on same wire-fixing jacket, the line of centres of three location holes is equilateral triangle.
In order to simplified structure, easy disassembly operates, guarantee sealing, described terminal box (1) is made up of box body (1a) and lid (1b), the upper port of box body (1a) is sealed by lid (1b), by threaded engagement between this lid (1b) and box body (1a), and be provided with O RunddichtringO (12) between lid (1b) and box body (1a).
Beneficial effect: the utility model is simple and reasonable for structure, cost is low, easy accessibility, quick, sealing and fail safe good, can effectively prevent surrounding environment fuel gas from bleeding blast that terminal box causes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, terminal box 1 is made up of box body 1a and lid 1b, and the upper port of box body 1a is sealed by lid 1b, by threaded engagement between this lid 1b and box body 1a, and is provided with O RunddichtringO 12 between lid 1b and box body 1a.The bottom of box body 1a is formed with the connector carrying gas thread, and all sidewalls of box body 1a are also formed with the connector carrying gas thread.
As shown in Figure 1, two terminal boxes 1 are arranged in left and right mode side by side, and the right and left terminal box 1 box body week sidewall on gas thread connector relative.The first joint 3 is screwed in, both threaded engagement in the gas thread connector of all sidewalls of on the left side terminal box 1 box body; Screw in the second joint 4 in the gas thread connector of the right terminal box 1 box body week sidewall, both are threaded engagement also.The right-hand member of the first joint 3 screws in the second joint 4, and two joints are together by a threaded connection.
As shown in Figure 1, in the first joint 3, set gradually the first penetration pipe 5, first wire-fixing jacket 6, pour mass 7 and the second wire-fixing jacket 8 from left to right.Wherein, the first penetration pipe 5 and the first wire-fixing jacket 6 are all by plastic deformation and the first joint 3 tight fit.Second wire-fixing jacket 8 is arranged in the second penetration pipe 9, second wire-fixing jacket 8 by plastic deformation and the second penetration pipe 9 tight fit.Second penetration pipe 9 is made of metal, and this second penetration pipe 9 is connected with the first joint 3 by the pin axially worn.Pour mass 7 is solidified by pouring agent and forms, and the left end of pour mass 7 and the right-hand member of the first wire-fixing jacket 6 are close to, and the right-hand member of pour mass 7 and the left end of the second wire-fixing jacket 8 are close to.
As shown in Figure 1, the right-hand member of the second penetration pipe 9 embeds the second joint 4, and in the second joint 4, arrange the 3rd wire-fixing jacket 10 and the 3rd penetration pipe 11.3rd wire-fixing jacket 10 is between the second penetration pipe 9 and the 3rd penetration pipe 11, and three offsets successively, and the 3rd wire-fixing jacket 10 and the 3rd penetration pipe 11 are all by plastic deformation and the second joint 4 tight fit.Enamelled wire 2 pierces into left side terminal box 1 from bottom, and successively through the first penetration pipe 5, first wire-fixing jacket 6, pour mass 7, second wire-fixing jacket 8, second penetration pipe 9, the 3rd wire-fixing jacket 10 and the 3rd penetration pipe 11, introduce the terminal box 1 on the right from the terminal box 1 on the left side.The number of enamelled wire 2 is three, and each wire-fixing jacket has three location holes corresponding with three enamelled wires 2, on same wire-fixing jacket, the line of centres of three location holes is equilateral triangle.
Above structure is also applicable to the connection bottom two terminal boxes between connector, or the connection bottom a terminal box between connector and all sidewall connectors of another terminal box, and therefore not to repeat here.
Claims (6)
1. an explosion-proof wiring device, comprise enamelled wire (2) and carry the terminal box (1) of gas thread connector, it is characterized in that: two, left and right terminal box (1) is arranged side by side, first joint (3) is installed in the gas thread connector of on the left side terminal box (1), in the gas thread connector on the right terminal box (1), the second joint (4) is installed, and the second joint (4) and the first joint (3) are together by a threaded connection; The first penetration pipe (5), the first wire-fixing jacket (6), pour mass (7) and the second wire-fixing jacket (8) is set gradually from left to right in described first joint (3), described second wire-fixing jacket (8) is arranged in the second penetration pipe (9), the right-hand member of the second penetration pipe (9) embeds the second joint (4), and the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11) are set in the second joint (4), the 3rd wire-fixing jacket (10) is positioned between the second penetration pipe (9) and the 3rd penetration pipe (11); Described enamelled wire (2), successively through the first penetration pipe (5), the first wire-fixing jacket (6), pour mass (7), the second wire-fixing jacket (8), the second penetration pipe (9), the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11), is introduced the terminal box (1) on the right from the terminal box (1) on the left side.
2. explosion-proof wiring device according to claim 1, it is characterized in that: described first penetration pipe (5) and the first wire-fixing jacket (6) are all by plastic deformation and the first joint (3) tight fit, and the 3rd wire-fixing jacket (10) and the 3rd penetration pipe (11) are all by plastic deformation and the second joint (4) tight fit.
3. explosion-proof wiring device according to claim 1, it is characterized in that: described second wire-fixing jacket (8) is by plastic deformation and the second penetration pipe (9) tight fit, second penetration pipe (9) is made of metal, and this second penetration pipe (9) is connected with the first joint (3) by the pin axially worn.
4. the explosion-proof wiring device according to claim 1 or 2 or 3, it is characterized in that: described pour mass (7) is solidified by pouring agent and forms, the left end of this pour mass (7) and the right-hand member of the first wire-fixing jacket (6) are close to, and the right-hand member of pour mass (7) and the left end of the second wire-fixing jacket (8) are close to.
5. explosion-proof wiring device according to claim 1, it is characterized in that: the number of described enamelled wire (2) is three, each wire-fixing jacket has three location holes corresponding with three enamelled wires (2), on same wire-fixing jacket, the line of centres of three location holes is equilateral triangle.
6. explosion-proof wiring device according to claim 1, it is characterized in that: described terminal box (1) is made up of box body (1a) and lid (1b), the upper port of box body (1a) is sealed by lid (1b), by threaded engagement between this lid (1b) and box body (1a), and be provided with O RunddichtringO (12) between lid (1b) and box body (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094913.4U CN204517317U (en) | 2015-02-10 | 2015-02-10 | explosion-proof wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520094913.4U CN204517317U (en) | 2015-02-10 | 2015-02-10 | explosion-proof wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517317U true CN204517317U (en) | 2015-07-29 |
Family
ID=53715253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520094913.4U Active CN204517317U (en) | 2015-02-10 | 2015-02-10 | explosion-proof wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517317U (en) |
-
2015
- 2015-02-10 CN CN201520094913.4U patent/CN204517317U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |