CN107917253A - A kind of gas check valve and gas-fired equipment - Google Patents
A kind of gas check valve and gas-fired equipment Download PDFInfo
- Publication number
- CN107917253A CN107917253A CN201711080094.8A CN201711080094A CN107917253A CN 107917253 A CN107917253 A CN 107917253A CN 201711080094 A CN201711080094 A CN 201711080094A CN 107917253 A CN107917253 A CN 107917253A
- Authority
- CN
- China
- Prior art keywords
- gas
- check valve
- inlet channel
- gas barrier
- outlet passageway
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0245—Construction of housing; Use of materials therefor of lift valves with ball-shaped valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a kind of gas check valve and gas-fired equipment, the gas check valve includes check valve body, inlet channel and the outlet passageway being connected with the inlet channel are provided with the check valve body, the end of the outlet passageway is provided with net circle component, it is provided with the outlet passageway and coordinates the gas barrier being used for for closing inlet channel with the inlet channel, the elastic component for coordinating support gas barrier with the gas barrier is provided between gas barrier and the net circle component.Gas check valve of the present invention, by setting gas barrier in outlet passageway, net circle component is installed in the end of outlet passageway, elastic component is set to support gas barrier to close inlet channel between gas barrier and net circle component, so as to effectively prevent gas backstreaming to causing to leak in pipe, to be conducive to the safe handling of gas-fired equipment.
Description
Technical field
The present invention relates to valve technology field, more particularly to a kind of gas check valve and gas-fired equipment.
Background technology
At present, the air inlet pipe of existing gas-fired equipment is mostly directly to connect with valve body.When gas-fired equipment is stopped using,
In valve body residual gas can reverse backflow in air inlet pipe, when dismantling air inlet pipe and replacing fuel gas bottle or valve body, part can be caused
Gas leakage, there are some potential safety problems.
Therefore, the prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of gas check valve and gas-fired equipment,
So as to overcome gas-fired equipment air inlet pipe of the prior art directly to be connected with valve body, when gas-fired equipment is stopped using, in valve body
Residual gas can reverse backflow to the problem of causing leakage in air inlet pipe.
Technical scheme is as follows：
The present invention provides a kind of gas check valve, wherein, including check valve body, be provided with the check valve body into
Gas passage and the outlet passageway being connected with the inlet channel, the end of the outlet passageway is provided with net circle component, described
It is provided with outlet passageway and coordinates the gas barrier being used for for closing inlet channel, the gas barrier and net circle with the inlet channel
The elastic component for coordinating support gas barrier with the gas barrier is provided between component.
The gas check valve, wherein, the internal diameter of the inlet channel is less than the internal diameter of the outlet passageway.
The gas check valve, wherein, it is provided with seal between the gas barrier and inlet channel.
The gas check valve, wherein, the seal is O-ring.
The gas check valve, wherein, the gas barrier is steel ball or glass marble, and the elastic component is spring.
The gas check valve, wherein, the net circle component is interference fit with outlet passageway.
The gas check valve, wherein, the net circle component includes screen frame and the backstop being arranged in screen frame.
The gas check valve, wherein, the backstop is glue net or metal mesh.
The gas check valve, wherein, the check valve body includes spigot joint and connects with the spigot joint
The nipple connect, the inlet channel are arranged in the spigot joint, and the outlet passageway is arranged on the nipple
It is interior.
The present invention also provides a kind of gas-fired equipment, wherein, including the gas check valve as described in any of the above item.
The beneficial effects of the invention are as follows：The present invention provides a kind of gas check valve and gas-fired equipment, the gas check
Valve installs net circle component by setting gas barrier in outlet passageway, in the end of outlet passageway, in gas barrier and net circle component
Between elastic component is set to support gas barrier to close inlet channel, so as to effectively prevent gas backstreaming to causing to let out in pipe
Leakage, is conducive to the safe handling of gas-fired equipment.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of the gas check valve of present pre-ferred embodiments.
Fig. 2 is the partial structural diagram of the gas check valve of present pre-ferred embodiments.
Fig. 3 is the exploded perspective view of the gas check valve of present pre-ferred embodiments.
Fig. 4 is the structure diagram that gas check valve of the present invention is installed in air inlet pipe.
Fig. 5 is the schematic cross-sectional view of gas check valve closed mode of the present invention.
Fig. 6 is the schematic cross-sectional view of gas check valve working status of the present invention.
Embodiment
The present invention provides a kind of gas check valve and gas-fired equipment, to make the purpose of the present invention, technical solution and effect more
Add clear, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
Also referring to shown in Fig. 1 to Fig. 6, the gas check valve 100 of present pre-ferred embodiments, including non-return valve sheet
Body, the check valve body include spigot joint 7 and the nipple 6 being connected with the spigot joint 7, the non-return valve
Inlet channel 1 and the outlet passageway 2 being connected with the inlet channel 1 are provided with body.Specifically, the inlet channel 1
It is arranged in the spigot joint 7, the outlet passageway 2 is arranged in the nipple 6.The end of the outlet passageway 2
Net circle component 3 is installed, is provided with the outlet passageway 2 and coordinates with the inlet channel 1 for for closing (masking) air inlet
The gas barrier 4 of passage 1, is provided between the gas barrier 4 and net circle component 3 for coordinating support choke with the gas barrier 4
The elastic component 5 of part 4.By setting gas barrier in outlet passageway, net circle component is installed in the end of outlet passageway, in gas barrier
Elastic component is set to support gas barrier to close inlet channel between net circle component, so as to effectively prevent gas backstreaming to pipe
Inside cause to leak, be conducive to the safe handling of gas-fired equipment.
Further, in the present embodiment, as shown in Figure 1 and Figure 2, the internal diameter of the inlet channel 1 is less than the outlet passageway
2 internal diameter.As shown in Fig. 1, Fig. 3, Fig. 5, Fig. 6, seal 8 is provided between the gas barrier 4 and inlet channel 1.Wherein, institute
It is preferably O-ring (o-ring) to state seal.In the present embodiment, the gas barrier is steel ball, and the elastic component is spring；
In other embodiment, the gas barrier can also be glass marble.The net circle component 3 is interference fit with outlet passageway 2.Its
In, as shown in figure 3, the net circle component 3 includes screen frame 31 and the backstop 32 being arranged in screen frame 31.The backstop 32 can
Think glue net or metal mesh.
Further, the present embodiment also provides a kind of gas-fired equipment, wherein, as shown in figure 4, including above-described gas
Non-return valve 100, gas check valve 100 are arranged on 200 one end of air inlet pipe.With reference to shown in Fig. 6, when air inlet, in air inlet pipe
Gas push steel ball, the spring-compressed of non-return valve, air-flow flow into reducing valve body from sealing O rings and steel ball gap；With reference to Fig. 5 institutes
Show, when closing gas cylinder valve, air-flow stops promoting steel ball, the spring of non-return valve affranchise length rebound steel ball and O rings it is close
Envelope, valve body are closed, and such gas cannot be flowed into air inlet pipe from valve body, thus, it is possible to effectively prevent gas backstreaming to causing in pipe
Leakage.
To sum up, the present invention provides a kind of gas check valve and gas-fired equipment, the gas check valve in outlet by leading to
Gas barrier is set in road, net circle component is installed in the end of outlet passageway, elastic component is set between gas barrier and net circle component
To support gas barrier to close inlet channel, so as to effectively prevent gas backstreaming to causing to leak in pipe, to be conducive to combustion gas and set
Standby safe handling.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
1. a kind of gas check valve, it is characterised in that be provided with air inlet including check valve body, in the check valve body and lead to
Road and the outlet passageway being connected with the inlet channel, the end of the outlet passageway are provided with net circle component, the outlet
It is provided with passage and coordinates the gas barrier being used for for closing inlet channel, gas barrier and the net circle component with the inlet channel
Between be provided with for the gas barrier coordinate support gas barrier elastic component.
2. gas check valve according to claim 1, it is characterised in that the internal diameter of the inlet channel is less than the outlet
The internal diameter of passage.
3. gas check valve according to claim 1, it is characterised in that be provided between the gas barrier and inlet channel
Seal.
4. gas check valve according to claim 3, it is characterised in that the seal is O-ring.
5. gas check valve according to claim 1, it is characterised in that the gas barrier is steel ball or glass marble, described
Elastic component is spring.
6. gas check valve according to claim 1, it is characterised in that the net circle component is matched somebody with somebody with outlet passageway for interference
Close.
7. gas check valve according to claim 1, it is characterised in that the net circle component includes screen frame and sets
Backstop in screen frame.
8. gas check valve according to claim 7, it is characterised in that the backstop is glue net or metal mesh.
9. gas check valve according to claim 1, it is characterised in that the check valve body include spigot joint, with
And the nipple being connected with the spigot joint, the inlet channel are arranged in the spigot joint, the outlet passageway
It is arranged in the nipple.
10. a kind of gas-fired equipment, it is characterised in that including such as claim 1~9 any one of them gas check valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080094.8A CN107917253A (en) | 2017-11-06 | 2017-11-06 | A kind of gas check valve and gas-fired equipment |
| CN201820651357.XU CN208204104U (en) | 2017-11-06 | 2018-05-03 | A kind of gas check valve and gas-fired equipment |
| CN201810414618.0A CN108518508A (en) | 2017-11-06 | 2018-05-03 | A kind of gas check valve and gas-fired equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080094.8A CN107917253A (en) | 2017-11-06 | 2017-11-06 | A kind of gas check valve and gas-fired equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917253A true CN107917253A (en) | 2018-04-17 |
Family
ID=61895179
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080094.8A Pending CN107917253A (en) | 2017-11-06 | 2017-11-06 | A kind of gas check valve and gas-fired equipment |
| CN201820651357.XU Expired - Fee Related CN208204104U (en) | 2017-11-06 | 2018-05-03 | A kind of gas check valve and gas-fired equipment |
| CN201810414618.0A Withdrawn CN108518508A (en) | 2017-11-06 | 2018-05-03 | A kind of gas check valve and gas-fired equipment |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820651357.XU Expired - Fee Related CN208204104U (en) | 2017-11-06 | 2018-05-03 | A kind of gas check valve and gas-fired equipment |
| CN201810414618.0A Withdrawn CN108518508A (en) | 2017-11-06 | 2018-05-03 | A kind of gas check valve and gas-fired equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107917253A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630881A (en) * | 2018-12-03 | 2019-04-16 | 海宁市英德赛电子有限公司 | Air-out mechanism in high purity ammonia storage tank |
| CN110553066A (en) * | 2019-09-26 | 2019-12-10 | 广东电网有限责任公司 | Check valve for gas supplementing of sulfur hexafluoride equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917253A (en) * | 2017-11-06 | 2018-04-17 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of gas check valve and gas-fired equipment |
| TWI797863B (en) * | 2021-12-02 | 2023-04-01 | 關隆股份有限公司 | Gas valve and gas combustion system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223290Y (en) * | 1995-06-27 | 1996-03-27 | 史秉寅 | Vertical double-temperature rotary gas combustion generator |
| CN2482620Y (en) * | 2001-06-01 | 2002-03-20 | 李忠芳 | Fast gas pipe joint with one-way valve |
| CN2577070Y (en) * | 2002-10-09 | 2003-10-01 | 张永茂 | Gas safety valve |
| CN203395298U (en) * | 2013-08-20 | 2014-01-15 | 烟台艾迪精密机械股份有限公司 | Air check valve |
| CN203963136U (en) * | 2014-07-14 | 2014-11-26 | 郭金战 | A kind of one-way valve |
| CN204253959U (en) * | 2014-10-22 | 2015-04-08 | 中国第一汽车股份有限公司 | Automobile film sheet valve type one-way exhaust plug assembly |
| CN106594334A (en) * | 2015-10-16 | 2017-04-26 | 刘亚娟 | In-line check valve |
| CN205371661U (en) * | 2016-03-03 | 2016-07-06 | 张永茂 | Gas purification relief valve |
| CN206268517U (en) * | 2016-11-16 | 2017-06-20 | 江南工业集团有限公司 | A kind of external hair style check valve of entirety |
| CN107917253A (en) * | 2017-11-06 | 2018-04-17 | 肇庆市大旺大庆炉具制品企业有限公司 | A kind of gas check valve and gas-fired equipment |
-
2017
- 2017-11-06 CN CN201711080094.8A patent/CN107917253A/en active Pending
-
2018
- 2018-05-03 CN CN201820651357.XU patent/CN208204104U/en not_active Expired - Fee Related
- 2018-05-03 CN CN201810414618.0A patent/CN108518508A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630881A (en) * | 2018-12-03 | 2019-04-16 | 海宁市英德赛电子有限公司 | Air-out mechanism in high purity ammonia storage tank |
| CN110553066A (en) * | 2019-09-26 | 2019-12-10 | 广东电网有限责任公司 | Check valve for gas supplementing of sulfur hexafluoride equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208204104U (en) | 2018-12-07 |
| CN108518508A (en) | 2018-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180417 |