CN104459049A - Explosion-proof terminal box for visible gas detector - Google Patents
Explosion-proof terminal box for visible gas detector Download PDFInfo
- Publication number
- CN104459049A CN104459049A CN201410752619.8A CN201410752619A CN104459049A CN 104459049 A CN104459049 A CN 104459049A CN 201410752619 A CN201410752619 A CN 201410752619A CN 104459049 A CN104459049 A CN 104459049A
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- China
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- explosion
- proof
- upper cover
- terminal box
- glass sheet
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Abstract
The invention discloses an explosion-proof terminal box for a visible gas detector. The terminal box comprises a shell, a screw ring, a glass sheet, a screw plug, a connector, an explosion-proof rubber sleeve, an explosion-proof connector and the like, wherein the shell comprises a lower shell and an upper cover, and the lower shell and the upper cover are connected by virtue of a screw; the screw ring and the glass sheet are arranged inside the upper cover, the screw ring is close to the inside of the upper cover, and the outer side of the screw ring is connected with the glass sheet; a wire inlet, a preserved opening and a detector interface are formed on the shell; the explosion-proof connector is arranged at the wire inlet; the explosion-proof rubber sleeve is arranged inside the explosion-proof connector; the connector is connected to the outer part of the explosion-proof rubber sleeve; and the screw plug is arranged at the preserved opening. According to the terminal box, the glass sheet is arranged on one side of the upper cover, so that an excellent visual effect can be realized, and the detecting situation can be effectively checked; excellent sealing and explosion-proof fastening can be achieved among all parts inside the terminal box, and the detection accuracy and explosion-proof performance of the detector can be effectively reinforced.
Description
Technical field
the present invention relates to a kind of detector terminal box, particularly relate to a kind of visual gas detector anti-explosion terminal box.
Background technology
along with the development of science and technology, production, there is the place of explosion danger also in continuous increase.Such as, industry, mining industry and the civilian people's livelihood etc.In actual life, the utilization of people to inflammable gas also also exists hidden danger.Utilize gas detector, the concentration of measurement inflammable gas that can be good, obtains required relevant information, but has good explosion-proof performance, could reduce dangerous hidden danger.
at present, on market, mostly gas detector is to be made up of transmitter, detector, sensor, but, due to problems such as market competitions, cause the terminal box quality problems of transmitter and the inside to there is larger hidden danger, often can not have good explosion-proof performance, increase accident rate.
Summary of the invention
the object of this invention is to provide one and there is visual function, there is the visual gas detector anti-explosion terminal box of one of good explosion-proof performance.
in order to realize object of the present invention, the present invention is achieved by the following technical solutions: a kind of visual gas detector anti-explosion terminal box, comprise housing, volution, glass sheet, screw plug, joint, explosion-proof gum cover, the formations such as Explosion proof joint, it is characterized in that: its middle shell is made up of lower casing and upper cover, be connected with screw between lower casing with upper cover, upper cover inside is provided with volution and glass sheet, volution is inner near upper cover, the outside of volution connects glass sheet, housing is provided with incoming line, reserved opening, prober interface, described incoming line is provided with Explosion proof joint, Explosion proof joint inside is provided with explosion-proof gum cover, jointing outside explosion-proof gum cover, reserved opening is provided with screw plug.
be provided with O-ring seal between described lower casing and upper cover, between Explosion proof joint and incoming line, be provided with O-ring seal, between screw plug and reserved opening, be provided with O-ring seal.
pad is provided with between described volution and glass sheet.
packing ring is provided with between described explosion-proof gum cover and joint.
threaded flame-proof type surface technology is all adopted between described lower casing and upper cover, between incoming line and Explosion proof joint, between reserved opening and screw plug.
length of thread engagement>=15mm between described lower casing and upper cover, spinner number>=6 are detained; Length of thread engagement>=10mm between incoming line and Explosion proof joint, spinner number>=5 are detained; Length of thread engagement>=9mm between reserved opening and screw plug, spinner number>=5 are detained.
beneficial effect of the present invention:
upper cover side is provided with glass sheet by the present invention, realizes good visibility effect, effectively can check detection event.Accomplish good sealing and explosion-proof fastening effectively to enhance detection accuracy and the explosion-proof performance of detector between each part of inside of the present invention.
Accompanying drawing explanation
accompanying drawing 1 is junction box structure schematic diagram of the present invention.
accompanying drawing 2 is terminal box side view cutaway drawings of the present invention.
embodiment:
embodiment one
a kind of visual gas detector anti-explosion terminal box, comprise housing 1, volution 2, glass sheet 3, screw plug 4, joint 5, explosion-proof gum cover 6, formation such as Explosion proof joint 7 grade, it is characterized in that: its middle shell 1 is made up of lower casing 8 and upper cover 9, be connected with screw 10 between lower casing 8 with upper cover 9, upper cover 9 inside is provided with volution 2 and glass sheet 3, volution 2 is inner near upper cover 9, the outside of volution 2 connects glass sheet 3, housing 1 is provided with incoming line 10, reserved opening 11, prober interface 12, described incoming line 10 is provided with Explosion proof joint 7, Explosion proof joint 7 inside is provided with explosion-proof gum cover 6, jointing 5 outside explosion-proof gum cover 6, reserved opening 11 is provided with screw plug 4.
embodiment two
be provided with O-ring seal between described lower casing 8 and upper cover 9, between Explosion proof joint 7 and incoming line 10, be provided with O-ring seal, between screw plug 4 and reserved opening 11, be provided with O-ring seal.
embodiment three
pad 13 is provided with between described volution 2 and glass sheet 3.
embodiment four
packing ring 14 is provided with between described explosion-proof gum cover 6 and joint 5.
embodiment five
between described lower casing 8 and upper cover 9, between incoming line 10 and Explosion proof joint 7, between reserved opening 11 and screw plug 4, all adopt threaded flame-proof type surface technology.
embodiment six
length of thread engagement>=15mm between described lower casing 8 and upper cover 9, spinner number>=6 are detained; Length of thread engagement>=10mm between incoming line 10 and Explosion proof joint 7, spinner number>=5 are detained; Length of thread engagement>=9mm between reserved opening 11 and screw plug 4, spinner number>=5 are detained.
embodiment seven
described glass sheet 5 adopts the tempered glass with explosion prevention function.
embodiment eight
described upper shell 1, volution 2, screw plug 4, joint 5, Explosion proof joint 7 are all be made up of stainless steel.
Claims (6)
1. a visual gas detector anti-explosion terminal box, comprise housing, volution, glass sheet, screw plug, joint, explosion-proof gum cover, the formations such as Explosion proof joint, it is characterized in that: its middle shell is made up of lower casing and upper cover, be connected with screw between lower casing with upper cover, upper cover inside is provided with volution and glass sheet, volution is inner near upper cover, the outside of volution connects glass sheet, housing is provided with incoming line, reserved opening, prober interface, described incoming line is provided with Explosion proof joint, Explosion proof joint inside is provided with explosion-proof gum cover, jointing outside explosion-proof gum cover, reserved opening is provided with screw plug.
2. the visual gas detector anti-explosion terminal box of one according to claim 1, is characterized in that: be provided with O-ring seal between lower casing and upper cover, is provided with O-ring seal between Explosion proof joint and incoming line, be provided with O-ring seal between screw plug and reserved opening.
3. the visual gas detector anti-explosion terminal box of one according to claim 1, is characterized in that: be provided with pad between described volution and glass sheet.
4. the visual gas detector anti-explosion terminal box of one according to claim 1, is characterized in that: be provided with packing ring between explosion-proof gum cover and joint.
5. the visual gas detector anti-explosion terminal box of one according to claim 1, is characterized in that: all adopt threaded flame-proof type surface technology between lower casing and upper cover, between incoming line and Explosion proof joint, between reserved opening and screw plug.
6. the visual gas detector anti-explosion terminal box of one according to claim 5, is characterized in that: the length of thread engagement >=15mm between lower casing and upper cover, and spinner number >=6 are detained; Length of thread engagement >=10mm between incoming line and Explosion proof joint, spinner number >=5 are detained; Length of thread engagement >=9mm between reserved opening and screw plug, spinner number >=5 are detained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410752619.8A CN104459049A (en) | 2014-12-11 | 2014-12-11 | Explosion-proof terminal box for visible gas detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410752619.8A CN104459049A (en) | 2014-12-11 | 2014-12-11 | Explosion-proof terminal box for visible gas detector |
Publications (1)
Publication Number | Publication Date |
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CN104459049A true CN104459049A (en) | 2015-03-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410752619.8A Pending CN104459049A (en) | 2014-12-11 | 2014-12-11 | Explosion-proof terminal box for visible gas detector |
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CN (1) | CN104459049A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201119174Y (en) * | 2007-11-21 | 2008-09-17 | 重庆川仪总厂有限公司 | Explosion-proof junction box for appliance device |
CN202886352U (en) * | 2012-11-08 | 2013-04-17 | 成都安可信电子股份有限公司 | Explosion-proof combustible gas detector |
CN203205791U (en) * | 2013-03-20 | 2013-09-18 | 燎原控股集团有限公司 | Explosion-proof junction box |
CN203774714U (en) * | 2014-04-14 | 2014-08-13 | 深圳世国科技股份有限公司 | Explosion-proof junction box |
CN203859459U (en) * | 2014-04-04 | 2014-10-01 | 河北京冀防爆电器仪表有限公司 | Stainless steel explosion-proof junction box |
CN204241454U (en) * | 2014-12-11 | 2015-04-01 | 哈尔滨东方报警设备开发有限公司 | A kind of visual gas detector anti-explosion terminal box |
-
2014
- 2014-12-11 CN CN201410752619.8A patent/CN104459049A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201119174Y (en) * | 2007-11-21 | 2008-09-17 | 重庆川仪总厂有限公司 | Explosion-proof junction box for appliance device |
CN202886352U (en) * | 2012-11-08 | 2013-04-17 | 成都安可信电子股份有限公司 | Explosion-proof combustible gas detector |
CN203205791U (en) * | 2013-03-20 | 2013-09-18 | 燎原控股集团有限公司 | Explosion-proof junction box |
CN203859459U (en) * | 2014-04-04 | 2014-10-01 | 河北京冀防爆电器仪表有限公司 | Stainless steel explosion-proof junction box |
CN203774714U (en) * | 2014-04-14 | 2014-08-13 | 深圳世国科技股份有限公司 | Explosion-proof junction box |
CN204241454U (en) * | 2014-12-11 | 2015-04-01 | 哈尔滨东方报警设备开发有限公司 | A kind of visual gas detector anti-explosion terminal box |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |