CN206671638U - A kind of protected against explosion optical fiber cable for mine terminal box - Google Patents
A kind of protected against explosion optical fiber cable for mine terminal box Download PDFInfo
- Publication number
- CN206671638U CN206671638U CN201720486443.5U CN201720486443U CN206671638U CN 206671638 U CN206671638 U CN 206671638U CN 201720486443 U CN201720486443 U CN 201720486443U CN 206671638 U CN206671638 U CN 206671638U
- Authority
- CN
- China
- Prior art keywords
- box body
- stainless steel
- upper cover
- lower box
- cover body
- 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.)
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Abstract
The utility model discloses a kind of protected against explosion optical fiber cable for mine terminal box, including upper cover body and lower box body, the upper cover body sets fluted, insulating protective layer b is provided with groove, the lower box body includes stainless steel casing, the stainless steel casing upper surface is provided with the cavity surrounded by stainless steel flange, insulating protective layer a is provided with cavity, seal groove is provided with input terminal and outlet terminal side within the cavity, fluid sealant is filled with the seal groove, connecting plate is provided with the cavity, the upper cover body is covered on lower box body, groove is used in combination with stainless steel flange, upper lid screwed hole and lower box body screwed hole are connected by screw.The upper cover body and lower box body of metal shell are connected through a screw thread, and stable connection is easy to disassemble, and in order to strengthen sealing property and safety in utilization, insulating protective layer is respectively provided with upper cover body and lower box body, and set seal groove, are easy to industrially promote and use.
Description
Technical field
Fiber optic cable plant technical field is the utility model is related to, more particularly to a kind of protected against explosion optical fiber cable for mine terminal box.
Background technology
The optical fiber that cable junction box is used in optical cable continues with tail optical fiber or stern fast, and plays and protect fibre-optical splice and distribution
Effect.Underground coal mine mining work, tunnel cavern, on go down the hill etc. to have in gas, coal dust explosion hazard environment, it is necessary to using anti-
Quick-fried cable junction box, to ensure the validity of optical cable connection.
Utility model content
The purpose of this utility model provides a kind of protected against explosion optical fiber cable for mine terminal box, with meet user in hazardous environment it is right
The use demand of cable junction box.
To realize the purpose of this utility model, the utility model provides a kind of protected against explosion optical fiber cable for mine terminal box, including
Upper cover body and lower box body, the upper cover body include shell, and setting is fluted in the shell, and insulating protective layer is provided with groove
B, the lower box body include stainless steel casing, and the stainless steel casing upper surface is provided with the cavity surrounded by stainless steel flange,
Insulating protective layer a is provided with cavity, one end of the stainless steel casing is provided with input terminal, and opposite side is provided with outlet
Terminal, the input terminal and outlet terminal are provided with seal groove at side within the cavity, are filled with the seal groove
Fluid sealant, connecting plate is provided with the cavity, the upper cover body is covered on lower box body, and groove is engaged with stainless steel flange
Use, upper lid screwed hole and lower box body screwed hole are connected by screw.
Wherein, the thickness of the stainless steel casing of the lower box body and the shell of upper cover body is 1.5-3.5cm.
Wherein, the outer surface of the upper cover body and lower box body is provided with electrostatic plastic spraying layer.
Wherein, the material of the insulating protective layer a and insulating protective layer b are high-temperature silicon disulfide rubber.
Compared with prior art, the beneficial effects of the utility model are that the upper cover body and lower box body of metal shell pass through spiral shell
Line connects, and stable connection is easy to disassemble, in order to strengthen sealing property and safety in utilization, is all provided with upper cover body and lower box body
Insulating protective layer is put, and seal groove is set, is easy to industrially promote and use.
Brief description of the drawings
Fig. 1 show the structural representation of the lower box body of the application；
Fig. 2 show the structural representation of the upper cover body of the application；
In figure, 1- input terminals, 2- lower box body screwed holes, 3- stainless steel casings, the stainless steel flanges of 4-, 5- insulating protective layers
A, 6- outlet terminal, 7- seal grooves, 8- connecting plates, the upper lid screwed holes of 9-, 10- grooves, 11- insulating protective layers b, 12- upper cover body.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only to explain the utility model, is not used to limit the utility model.
It should be noted that " connection " described herein and the word for expressing " connection ", such as " being connected ",
" connected " etc., both it was directly connected to including a certain part and another part, and also passed through miscellaneous part and another portion including a certain part
Part is connected.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
As shown in Figure 1 and Figure 2, it is a kind of embodiment of protected against explosion optical fiber cable for mine terminal box of the application, including the He of upper cover body 12
Lower box body, the upper cover body 12 include stainless steel casing, fluted 10 are set in the stainless steel casing, is provided with groove 10
Insulating protective layer b11, the lower box body include stainless steel casing 3, and the stainless steel casing upper surface is provided with convex by stainless steel
The cavity that edge 4 surrounds, the size of groove 10 are just stuck on stainless steel flange 4, and insulating protective layer a5 is provided with cavity, described
One end of stainless steel casing is provided with input terminal 1, and opposite side is provided with outlet terminal 6, the input terminal 1 and leading-out terminal
Seal groove is provided with sub 6 sides within the cavity, fluid sealant is filled with the seal groove, use is provided with the cavity
In the connecting plate 8 of optical cable connection, the upper cover body 12 is covered on lower box body, and groove 10 is used in combination with stainless steel flange 4,
After upper cover body is covered on lower box body, upper lid screwed hole 9 and lower box body screwed hole 2 are fastened by screw.
When use, after optical fiber is connected, input terminal 1 and the related light in side within the cavity of outlet terminal 6
Cable is got up by the sealant sealing in seal groove, and fluid sealant can use room temperature vulcanized silicone rubber, and such design can be significantly
Improve explosion-proof performance.
In order to ensure explosion-resistance characteristic, the stainless steel casing 3 of the lower box body and the outer thickness of upper cover body 12 are 1.5-
3.5cm, such thickness, degree of protection >=IP54 can be reached, there is good explosion-proof effect.
In order to prevent electrostatic, the outer surface of the upper cover body 12 and lower box body is provided with electrostatic plastic spraying layer.
Preferably, the material of the insulating protective layer a5 and insulating protective layer b11 are high-temperature silicon disulfide rubber.
Sealing can be kept for a long time, and have in -60 DEG C~300 DEG C of environment using room temperature and high-temperature silicon disulfide rubber
There are excellent electric property and chemical stability, crushing resistance, oil resistant, weather resistance.
Described above is only preferred embodiment of the present utility model, it is noted that for the general of the art
For logical technical staff, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of protected against explosion optical fiber cable for mine terminal box, it is characterised in that including upper cover body (12) and lower box body, the upper cover body
(12) include shell, fluted (10) are set in the shell, insulating protective layer b (11) are provided with groove (10), under described
Box body includes stainless steel casing (3), and the stainless steel casing upper surface is provided with the cavity surrounded by stainless steel flange (4), chamber
Insulating protective layer a (5) is provided with vivo, one end of the stainless steel casing is provided with input terminal (1), and opposite side is provided with
Seal groove is provided with outlet terminal (6), the input terminal (1) and outlet terminal (6) side within the cavity, it is described close
Fluid sealant is filled with sealing groove, connecting plate (8) is provided with the cavity, the upper cover body (12) is covered on lower box body, recessed
Groove (10) is used in combination with stainless steel flange (4), and upper lid screwed hole (9) and lower box body screwed hole (2) are connected by screw.
A kind of 2. protected against explosion optical fiber cable for mine terminal box according to claim 1, it is characterised in that the stainless steel of the lower box body
The thickness of shell (3) and the shell of upper cover body (12) is 1.5-3.5cm.
A kind of 3. protected against explosion optical fiber cable for mine terminal box according to claim 1, it is characterised in that the upper cover body (12) and under
The outer surface of box body is provided with electrostatic plastic spraying layer.
A kind of 4. protected against explosion optical fiber cable for mine terminal box according to claim 1, it is characterised in that the insulating protective layer a (5)
Material with insulating protective layer b (11) is high-temperature silicon disulfide rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486443.5U CN206671638U (en) | 2017-05-03 | 2017-05-03 | A kind of protected against explosion optical fiber cable for mine terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720486443.5U CN206671638U (en) | 2017-05-03 | 2017-05-03 | A kind of protected against explosion optical fiber cable for mine terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671638U true CN206671638U (en) | 2017-11-24 |
Family
ID=60370833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720486443.5U Expired - Fee Related CN206671638U (en) | 2017-05-03 | 2017-05-03 | A kind of protected against explosion optical fiber cable for mine terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443383A (en) * | 2020-04-07 | 2020-07-24 | 中国地震局地震预测研究所 | Data acquisition device for coal mine |
-
2017
- 2017-05-03 CN CN201720486443.5U patent/CN206671638U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443383A (en) * | 2020-04-07 | 2020-07-24 | 中国地震局地震预测研究所 | Data acquisition device for coal mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20180503 |