CN202777528U - Safety device for automatically cutting off fuel gas supply - Google Patents
Safety device for automatically cutting off fuel gas supply Download PDFInfo
- Publication number
- CN202777528U CN202777528U CN 201220393005 CN201220393005U CN202777528U CN 202777528 U CN202777528 U CN 202777528U CN 201220393005 CN201220393005 CN 201220393005 CN 201220393005 U CN201220393005 U CN 201220393005U CN 202777528 U CN202777528 U CN 202777528U
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- CN
- China
- Prior art keywords
- fire
- main body
- gas supply
- pipe main
- retardant core
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a safety device for automatically cutting off fuel gas supply and solves the problem that a flame arrester of a fuel gas pipeline in prior art only has a fire-retarding function but not can effectively prevent fuel gas from exploding. The safety device for automatically cutting off fuel gas supply comprises a pipeline body (1) with an inner cavity, a fire-retarding core (2) arranged inside the pipeline body (1) and an inlet interface (3) arranged on one end of the pipeline body (1), wherein an air supply interface (4) for connecting a fuel gas supply pipeline is arranged on the side wall of the pipeline body (1); an end cover (6) for sealing the flame arrester is arranged at the other end of the pipeline body (1); at least one air hole is arranged in the end cover (6); a through hole passing through the fire-retarding core (2) is arranged at the middle of the fire-retarding core (2); a hollow shaft (7) is arranged in the through hole; one end of the hollow shaft (7) is provided with a sealing plate (8); and the other end of the hollow shaft is extended outside the pipeline body (1).
Description
Technical field
The utility model relates to a kind of spark arrester, specifically, is a kind of safety device of automatic cut-out gas supply.
Background technology
At present, gas supply has become a requisite part in people's daily life, and fuel gas supply conduit also is urban construction, the development trend of community, office space.Recently, because combustion gas using method mistake, and cause the accident of gas kitchen ranges, gas meter, flow meter blast to happen occasionally, cause casualties.Traditional gas pipeline fire arrester only has the back-fire relief function, and it can not directly cut off gas supply, thereby, under the condition of operate miss or the damage of other hardware facilities, can not effectively prevent gas explosion, its safety coefficient is very low.
The utility model content
The purpose of this utility model is to overcome defects, a kind of compact overall structure is provided, realize convenient, gas pipeline fire arrester.
To achieve these goals, the scheme of the utility model employing is as follows:
Automatically cut off the safety device of gas supply, comprise the pipe main body with inner chamber, be arranged on the fire-retardant core of this pipe main body inside, and the intake interface that is arranged on pipe main body one end, offer one in order to connect the air feed interface of fuel gas supply conduit at described pipe main body sidewall, then be provided with to seal the end cap of spark arrester at the pipe main body other end, this end cap is provided with at least one pore, in the middle of described fire-retardant core, be provided with a through hole that runs through this fire-retardant core, in this through hole, then be provided with a hollow shaft, this hollow shaft one end is provided with sealing plate, the other end extends to the pipe main body outside, and be provided with a manual draw ring in this end end, between described end cap and fire-retardant core, also be provided with one in order to spur the depression bar of hollow shaft, then being provided with one between fire-retardant core and intake interface is complementary and the apertured pedestal of tool with the pipe main body inner chamber, slit on this pedestal and described sealing plate are complementary, and be provided with two stage clips that are fastenedly connected with it by pole at described end cap, described fire-retardant core is made by the ripple steel band, and it is leg-of-mutton through hole that fire-retardant core is provided with cross section, described end cap is provided with the connecting hole of an inner wall smooth, and described hollow shaft is then passed this connecting hole.
Further, described fire-retardant core two ends respectively with the inwall close contact of pipe main body.
Further, be provided with screw thread at described intake interface appearance wall.
Further, described air feed interface and intake interface lay respectively at the fire-retardant core both sides; Also be provided with a diaphragm seal of being made by corrosion-resistant fexible film in the junction of depression bar and hollow shaft.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model compact conformation not only, and with low cost, realize convenient;
(2) the utility model is provided with at least one pore at end cap, and in the middle of described fire-retardant core, be provided with a through hole that runs through this fire-retardant core, in this through hole, then be provided with a hollow shaft, this hollow shaft one end is provided with sealing plate, the other end extends to the pipe main body outside, and be provided with a manual draw ring in this end end, between described end cap and fire-retardant core, also be provided with one in order to spur the depression bar of hollow shaft, then being provided with one between fire-retardant core and intake interface is complementary and the apertured pedestal of tool with the pipe main body inner chamber, slit on this pedestal and described sealing plate are complementary, the combustion gas body is when the spark arrester internal combustion, when gases are heated, they expand in the spark arrester, and promote depression bar and be moved to the left, and depression bar then drives hollow shaft and moves, and then so that sealing plate match with the slit on the pedestal, along with the movement of sealing plate, it finally understands the slit on the complete closed pedestal, and then flame and then gas pipeline when cutting off fuel gas buring, effectively prevent the blast that tempering causes, ensured personnel's life security;
(3) the utility model also is provided with stage clip on end cap, and this stage clip makes it more convenient to operate, quick in order to the movement of auxiliary hollow shaft;
(4) to be provided with cross section be leg-of-mutton through hole to fire-retardant core, and during fuel gas buring, its flame is by leg-of-mutton through hole, by the through hole outer wall flame is cooled, and then reach the knock down the flame purpose, thus effectively prevented the blast because of the tempering generation, ensured personnel's life security;
(5) material therefor is the common common material in market in the utility model, and its cost is very cheap, has established favourable basis for it promotes the use on a large scale.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic cross-section of fire-retardant core in the utility model.
Wherein, the parts name that Reference numeral is corresponding is called: 1-pipe main body, 2-fire-retardant core, 3-intake interface, 4-air feed interface, 5-depression bar, 6-end cap, 7-hollow shaft, 8-sealing plate, the manual draw ring of 9-, 10-pedestal, 11-stage clip.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
Such as Fig. 1, shown in 2, automatically cut off the safety device of gas supply, comprise the pipe main body 1 with inner chamber, be arranged on the fire-retardant core 2 of this pipe main body 1 inside, and the intake interface 3 that is arranged on pipe main body 1 one ends, offer an air feed interface 4 in order to connect fuel gas supply conduit at described pipe main body 1 sidewall, then be provided with to seal the end cap 6 of spark arrester at pipe main body 1 other end, this end cap 6 is provided with at least one pore, in the middle of described fire-retardant core 2, be provided with a through hole that runs through this fire-retardant core 2, in this through hole, then be provided with a hollow shaft 7, these hollow shaft 7 one ends are provided with sealing plate 8, the other end extends to pipe main body 1 outside, and be provided with a manual draw ring 9 in this end end, between described end cap 6 and fire-retardant core 2, also be provided with a depression bar 5 in order to spur hollow shaft 7, then being provided with one between fire-retardant core 2 and intake interface 3 is complementary and the apertured pedestal 10 of tool with pipe main body 1 inner chamber, slit and described sealing plate 8 on this pedestal 10 are complementary, and be provided with two stage clips 11 that are fastenedly connected with it by pole at described end cap 6, on the other hand, described fire-retardant core 2 is made by the ripple steel band, and fire-retardant core 2 to be provided with cross section be leg-of-mutton through hole.The combustion gas body is when the spark arrester internal combustion, when gases are heated, they expand in the spark arrester, and the promotion depression bar is moved to the left, depression bar then drives hollow shaft and moves, and then so that sealing plate match with the slit on the pedestal, along with the movement of sealing plate, slit on its final meeting complete closed pedestal, and then flame and then gas pipeline when cutting off fuel gas buring, effectively prevented the blast that tempering causes, ensured personnel's life security.After fray-out of flame in the spark arrester, only need pull with hand manual draw ring 9, it is passed to the right, thus so that sealing plate 8 and base-separation, can so that spark arrester again be communicated with.On the other hand, move in order to make things convenient for hollow shaft, occur closing the defective of spark arrester when preventing fuel gas buring, described end cap 6 is provided with the connecting hole of an inner wall smooth, and 7 of described hollow shafts are passed this connecting hole.
In the present embodiment, described fire-retardant core 2 two ends respectively with the inwall close contact of pipe main body 1.
In the present embodiment, for easy to connect, prevent gas leakage, be provided with screw thread at described intake interface 3 appearance walls.
In order better to realize more effectively extinguishing the tempering in the spark arrester by present embodiment, described air feed interface 4 lays respectively at fire-retardant core 2 both sides with intake interface 3.
According to above-described embodiment, can well realize the utility model.
Claims (5)
1. automatically cut off the safety device of gas supply, comprise the pipe main body (1) with inner chamber, be arranged on the inner fire-retardant core (2) of this pipe main body (1), and the intake interface (3) that is arranged on pipe main body (1) one end, it is characterized in that: offer an air feed interface (4) in order to connect fuel gas supply conduit at described pipe main body (1) sidewall, then be provided with to seal the end cap (6) of spark arrester at pipe main body (1) other end, this end cap (6) is provided with at least one pore, in the middle of described fire-retardant core (2), be provided with a through hole that runs through this fire-retardant core (2), in this through hole, then be provided with a hollow shaft (7), these hollow shaft (7) one ends are provided with sealing plate (8), the other end extends to pipe main body (1) outside, and be provided with a manual draw ring (9) in this end end, between described end cap (6) and fire-retardant core (2), also be provided with a depression bar (5) in order to drive hollow shaft (7), then being provided with one between fire-retardant core (2) and intake interface (3) is complementary and the apertured pedestal of tool (10) with pipe main body (1) inner chamber, slit on this pedestal (10) and described sealing plate (8) are complementary, and be provided with two stage clips that are fastenedly connected with it by pole (11) at described end cap (6), and described fire-retardant core (2) is made by the ripple steel band, and it is leg-of-mutton through hole that fire-retardant core (2) is provided with cross section, described end cap (6) is provided with the connecting hole of an inner wall smooth, and described hollow shaft (7) is then passed this connecting hole.
2. the safety device of automatic cut-out gas supply according to claim 1 is characterized in that: described fire-retardant core (2) two ends respectively with the inwall close contact of pipe main body (1).
3. the safety device of automatic cut-out gas supply according to claim 2 is characterized in that: be provided with screw thread at described intake interface (3) appearance wall.
4. the safety device of automatic cut-out gas supply according to claim 3 is characterized in that: described air feed interface (4) lays respectively at fire-retardant core (2) both sides with intake interface (3).
5. the safety device of automatic cut-out gas supply according to claim 3 is characterized in that: the junction in depression bar (5) and hollow shaft (7) also is provided with a diaphragm seal of being made by corrosion-resistant fexible film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393005 CN202777528U (en) | 2012-08-09 | 2012-08-09 | Safety device for automatically cutting off fuel gas supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393005 CN202777528U (en) | 2012-08-09 | 2012-08-09 | Safety device for automatically cutting off fuel gas supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202777528U true CN202777528U (en) | 2013-03-13 |
Family
ID=47804884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393005 Expired - Fee Related CN202777528U (en) | 2012-08-09 | 2012-08-09 | Safety device for automatically cutting off fuel gas supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202777528U (en) |
-
2012
- 2012-08-09 CN CN 201220393005 patent/CN202777528U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130809 |