CN202790759U - Fire retardant device with single-way safe valve - Google Patents
Fire retardant device with single-way safe valve Download PDFInfo
- Publication number
- CN202790759U CN202790759U CN 201220393079 CN201220393079U CN202790759U CN 202790759 U CN202790759 U CN 202790759U CN 201220393079 CN201220393079 CN 201220393079 CN 201220393079 U CN201220393079 U CN 201220393079U CN 202790759 U CN202790759 U CN 202790759U
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- Prior art keywords
- fire retardant
- main body
- pipe main
- retardant core
- hollow shaft
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Abstract
The utility model discloses a fire retardant device with a single-way safe valve, and resolves the problems that a flame arrester of a gas pipeline in the prior art only has a fire retardant function, and gas explosion can not be prevented effectively. The fire retardant device with the single-way safe valve comprises a pipeline main body (1), a fire retardant core (2) and an air inlet connector (3), wherein the pipeline main body (1) is provided with an inner cavity, the fire retardant core (2) is arranged inside the pipeline main body (1), and the air inlet connector (3) is arranged at one end of the pipeline main body (1). The side wall of the pipeline main body (1) is provided with an air supplying connector (4) used for being connected with a gas supplying pipeline, the other end of the pipeline main body (1) is provided with an end cover (6) used for sealing the flame arrester, the end cover (6) is provided with at least one air hole, and a through hole penetrating through the fire retardant core (2) is formed in the middle of the fire retardant core (2), a hollow shaft (7) is arranged on the inner side of the through hole, one end of the hollow shaft (7) is provided with a seal plate (8), and the other end of the hollow shaft (7) is stretched to the outside of the pipeline main body (1).
Description
Technical field
The utility model relates to a kind of flame trap, specifically, is a kind of fire retardant device with one-way relief valves.
Background technique
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 range, gas 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 model utility 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:
Fire retardant device with one-way relief valves, 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 flame trap at the pipe main body the 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, be provided with one deck safety net at described air feed interface, and this safety net is made by the good plastics of thermoplastics type, it is the reticular structure with manhole, described fire retardant core is made by the ripple steel band, and fire retardant core to be provided with cross section be leg-of-mutton through 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 sealing film of being made by corrosion-resistant fexible film in the joint 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 structure 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 flame trap internal combustion, when gases are heated, they expand in the flame trap, 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 sealing plate movement, 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 safety;
(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) in the utility model fire retardant core to be provided with cross section be leg-of-mutton through hole, 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, thereby effectively prevented the blast because of the tempering generation, ensured personnel's life safety;
(5) the utility model is provided with one deck safety net at air feed interface, and this safety net is made by the good plastics of thermoplastics type, it is the reticular structure with manhole, when burning occurs in combustion gas, the safety net expanded by heating, online circular through hole is closed, thereby the combustion gas of having cut off gas pipeline continues supply, and then solved the burning of combustion gas from root, effectively prevented because of too much combustion gas in the blast that confined space acutely burns and produces, ensured personnel's life safety.
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 component name that reference character 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, 12-safety net.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail, but mode of execution of the present utility model is not limited to this.
Embodiment
Such as Fig. 1, shown in 2, fire retardant device with one-way relief valves, 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 flame trap at pipe main body 1 the 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 are provided with two stage clips 11 that are fastenedly connected with it by pole at described end cap 6; On the other hand, be provided with one deck safety net 12 at described air feed interface 4, and this safety net 12 is made by the good plastics of thermoplastics type, it is the reticular structure with manhole, and 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 flame trap internal combustion, when gases are heated, they expand in the flame trap, 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 sealing plate movement, 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 safety.After flame extinction in the flame trap, only with hand spurs manual draw ring 9, and it is passed to the right, thus so that sealing plate 8 and base-separation, can so that flame trap again be communicated with.
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 flame trap 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. the fire retardant device that has one-way relief valves, 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 flame trap at pipe main body (1) the 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), be provided with one deck safety net (12) at described air feed interface (4), and this safety net (12) is made by the good plastics of thermoplastics type, it is the reticular structure with manhole, 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.
2. the fire retardant device with one-way relief valves 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 fire retardant device with one-way relief valves according to claim 2 is characterized in that: be provided with screw thread at described intake interface (3) appearance wall.
4. the fire retardant device with one-way relief valves 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 fire retardant device with one-way relief valves according to claim 3 is characterized in that: the joint at depression bar (5) and hollow shaft (7) also is provided with a sealing film of being made by corrosion-resistant fexible film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393079 CN202790759U (en) | 2012-08-09 | 2012-08-09 | Fire retardant device with single-way safe valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220393079 CN202790759U (en) | 2012-08-09 | 2012-08-09 | Fire retardant device with single-way safe valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790759U true CN202790759U (en) | 2013-03-13 |
Family
ID=47818023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220393079 Expired - Fee Related CN202790759U (en) | 2012-08-09 | 2012-08-09 | Fire retardant device with single-way safe valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734955A (en) * | 2020-07-04 | 2020-10-02 | 南京天人环保设备有限公司 | Methane bidirectional pressure safety protector |
-
2012
- 2012-08-09 CN CN 201220393079 patent/CN202790759U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111734955A (en) * | 2020-07-04 | 2020-10-02 | 南京天人环保设备有限公司 | Methane bidirectional pressure safety protector |
| CN111734955B (en) * | 2020-07-04 | 2022-01-04 | 南京天人环保设备有限公司 | Methane bidirectional pressure safety protector |
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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 |