CN208546570U - Safety valve for gas stove - Google Patents
Safety valve for gas stove Download PDFInfo
- Publication number
- CN208546570U CN208546570U CN201721798770.0U CN201721798770U CN208546570U CN 208546570 U CN208546570 U CN 208546570U CN 201721798770 U CN201721798770 U CN 201721798770U CN 208546570 U CN208546570 U CN 208546570U
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- Prior art keywords
- gas
- valve
- take
- auxiliary
- main
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- 239000007789 gas Substances 0.000 claims description 73
- 239000000567 combustion gas Substances 0.000 claims description 31
- 238000003032 molecular docking Methods 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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- Feeding And Controlling Fuel (AREA)
Abstract
The utility model relates to a safety valve of a gas furnace, which comprises a valve body and a valve seat arranged on the top of the valve body, wherein the valve body is provided with a valve chamber, and the valve seat is provided with a valve chamber which is enclosed with the valve chamber to form a closed chamber; a valve core is arranged in the valve chamber, and a valve core knob is arranged in the valve chamber; the valve body is provided with an air inlet channel, a main air outlet pipe and an auxiliary air outlet pipe, the main air outlet pipe is communicated with the valve chamber through an upper main air outlet channel and a lower main air outlet channel which are arranged on the valve body, and the auxiliary air outlet pipe is communicated with the valve chamber through an auxiliary air outlet channel which is arranged on the valve body; the valve core is provided with a core cavity, the side wall of the core cavity is provided with an air inlet hole butted with the air inlet channel, an auxiliary air outlet hole butted with the auxiliary air outlet channel and a lower main air outlet hole for communicating the core cavity and the lower main air outlet channel, the auxiliary cavity is arranged above the core cavity, and the side wall of the auxiliary cavity is provided with an upper main air outlet hole butted with the upper main air outlet channel; the top of the valve core is provided with a valve needle, and the valve needle moves downwards to open the bottom cavity opening of the auxiliary cavity and moves upwards to close the bottom cavity opening of the auxiliary cavity. The utility model discloses it is efficient to ignite, long service life, and the security is high.
Description
Technical field
The utility model relates to gas furnaces, and in particular to a kind of burnt gas switch valve of gas furnace.
Background technique
The burnt gas switch valve of gas furnace includes valve body, and valve chamber is equipped in valve body, and valve chamber is equipped with air inlet and escape pipe,
The spool that the flow of escape pipe is transported to for controlling combustion gas from valve chamber is equipped in valve chamber.Since combustion gas is delivered stove by escape pipe
At igniter, the distal end of escape pipe cannot be too close from igniter, otherwise can melt the component that damage is set to the end end, and outlet
Pipe is too far from igniter and it is unsmooth to light a fire when will lead to igniter fire because that can not obtain sufficient combustion gas, need to repeatedly strike sparks
It can light, to influence ignition results, and valve service life can be shortened, or even cause gas leakage.
Utility model content
The utility model discloses a kind of safety valves for gas, it is intended to improve drawbacks described above present in similar product.
The utility model adopts the technical scheme that
A kind of gas furnace safety valve, including valve body and the valve seat for being fixedly installed in body top；The top surface of valve body is equipped with valve
Room, the bottom surface of valve seat are equipped with the valve chamber that a closed chamber is encircled into valve chamber；It is equipped in valve chamber and is controlled by itself rotation
The spool of combustion gas discharge rate processed, the interior knob being equipped with for driving the Spool rotating of valve chamber.
The side of valve body is equipped with the air intake duct for valve chamber to be connected with extraneous gas source, and the other side is equipped with for will be in valve chamber
Combustion gas be delivered respectively stove igniter main escape pipe and auxiliary escape pipe, the upper master for valve chamber to be connected with main escape pipe
Gas off-take and lower main gas off-take and for by valve chamber and the auxiliary gas off-take that be connected of auxiliary escape pipe, in which: assist gas off-take
Entrance and the outlet of air intake duct be located directly opposite, the entrance of upper main gas off-take and lower main gas off-take is respectively arranged on auxiliary gas off-take
Entrance upper and lower；The entrance of lower main gas off-take is set in one of inner groovy circle set by valve interior wall.
The bottom surface of spool is equipped with core cavity, and side wall is equipped with for docking with air intake duct, and extraneous gas source is imported from air intake duct
Air inlet in core cavity, for dock with auxiliary gas off-take, the combustion gas in core cavity is directed at assist escape pipe auxiliary venthole,
And for core cavity and lower main gas off-take to be connected, the combustion gas in core cavity is directed to the lower main venthole of main escape pipe, which goes out
The outlet of stomata is set in one also set of external groove circle of spool outer wall, the inner groovy circle on the external groove circle and valve interior wall
It is mutually butted, is encircled into a closed airway circle for main venthole and lower main gas off-take under being connected to.
The top of core cavity is equipped with the compensated cavity communicated therewith, and the side wall of the compensated cavity is equipped with for docking with upper main gas off-take
Upper main venthole, outlet of main venthole is set to set by valve outer wall together for entrance pair with upper main gas off-take on this
The arc groove connect；The roof of the compensated cavity is additionally provided with pin hole up and down, is equipped with the needle that can be moved up and down, the valve in pin hole
The bottom accent of openable compensated cavity when needle downlink, to open the gas source of upper main venthole, when uplink, can then close compensated cavity
Bottom accent to cut off the gas source of upper main venthole, and then reduces the combustion gas discharge capacity of main escape pipe.
Further, the lower section of knob is exposed in valve chamber and be located at the top of needle, can be driven and downlink by knob；Valve
The top of needle is successively socketed with upper press cover, tension spring and lower cover from top to bottom, and the needle above upper press cover is fixedly installed with
Limit the limited block of its uplink, lower cover branch peaks in groove set by spool top surface, thus jointly by tension spring sandwich in
On needle, so that tension spring is resetted by the tension valve needle uplink of itself.
The bottom end of needle is equipped with the plug for closing compensated cavity bottom accent, which moves up and down with needle, downlink
When openable compensated cavity bottom accent, and then open upper main venthole, allow the combustion gas in valve chamber along upper main venthole, arc
Slot, upper main gas off-take and be directed in main escape pipe, when uplink, can then close the bottom accent of compensated cavity, main venthole in cutting
Gas source, and then reduce main escape pipe combustion gas discharge capacity.
The utility model is provided with main auxiliary two escape pipes, to increase combustion gas discharge rate when igniting, main escape pipe
It is connected to by a normally opened air flue and a normally closed air flue with valve chamber, when igniter fire, normally closed air flue is also openable to master
Escape pipe gas supply, to further increase the combustion gas discharge rate of main escape pipe.Compared to similar product before, the utility model without
The distance between escape pipe and igniter need to be shortened, so that igniter is obtained enough combustion gas in igniting, be conducive to improve
The ignition effectiveness of valve, the service life for extending valve, the safety in utilization for improving valve.
Detailed description of the invention
Fig. 1 is the overall structure external view of the utility model embodiment
Fig. 2 is the overall structure cross-sectional view of the utility model embodiment
Fig. 3 is the valve body structure schematic diagram of the utility model embodiment
Fig. 4 is the valve core structure schematic diagram of the utility model embodiment
Specific embodiment
The utility model is illustrated in the following with reference to the drawings and specific embodiments.
Referring to Fig.1-4:
A kind of gas furnace safety valve, including valve body 1 and the valve seat 2 being fixedly installed at the top of valve body 1.
The top surface of valve body 1 is equipped with valve chamber 1-1, and the bottom surface of valve seat 2, which is equipped with, is encircled into a closed chamber with valve chamber 1-1
Valve chamber 2-1.
It is equipped with the spool 3 for controlling combustion gas discharge rate by itself rotation in valve chamber 1-1, is equipped in valve chamber 2-1 for driving
Move the knob 4 of the spool 3 rotation.
The side of valve body 1 is equipped with the air intake duct 1-2 for valve chamber 1-1 to be connected with extraneous gas source, and the other side is equipped with and is used for
Combustion gas in valve chamber 1-1 is delivered the main escape pipe 1-3 and auxiliary escape pipe 1-4 of stove igniter respectively, is used for valve chamber 1-1
The upper main gas off-take 1-5 and lower main gas off-take 1-6 that are connected with main escape pipe 1-3 and for by valve chamber 1-1 and auxiliary escape pipe
The auxiliary gas off-take 1-7 of 1-4 conducting.
The outlet of the entrance and air intake duct 1-2 of gas off-take 1-7 is assisted to be located directly opposite, upper main gas off-take 1-5 and lower master go out
The entrance of air flue 1-6 is respectively arranged on the entrance upper and lower of auxiliary gas off-take 1-7.
The entrance of lower main gas off-take 1-6 is set in one of inner groovy circle 1-8 set by 1 inner wall of valve body；
The bottom surface of spool 3 is equipped with core cavity 3-1, and side wall is equipped with for docking with air intake duct 1-2, by extraneous gas source from air inlet
Road 1-2 import core cavity 3-1 in air inlet 3-2, for auxiliary gas off-take 1-7 dock, the combustion gas in core cavity 3-1 is directed at auxiliary
The auxiliary venthole 3-3 of escape pipe 1-4 is helped and for core cavity 3-1 and lower main gas off-take 1-6 to be connected, by the combustion in core cavity 3-1
Conductance to main escape pipe 1-3 lower main venthole 3-4.
The outlet of lower main venthole 3-4 is set in one also set of external groove circle 3-5 of 3 outer wall of spool, the external groove circle
3-5 is mutually butted with the inner groovy circle 1-8 on 1 inner wall of valve body, be encircled into one for be connected under main venthole 3-4 and lower master go out
The closed airway circle of air flue 1-6.
The top of core cavity 3-1 is equipped with the compensated cavity 3-6 that communicates therewith, the side wall of compensated cavity 3-6 be equipped with for upper master
The upper main venthole 3-7 of gas off-take 1-5 docking, outlet of main venthole 3-7 is set to set by 1 outer wall of valve body and is used for together on this
In the arc groove 3-8 docked with the entrance of upper main gas off-take 1-5.
The roof of compensated cavity 3-6 is additionally provided with pin hole up and down, is equipped with the needle 5 that can be moved up and down, needle 5 in pin hole
Top be exposed to the lower section in valve chamber 2-1 and being located at knob 4, can be driven and downlink by knob 4.
The top of needle 5 is successively socketed with upper press cover 6, tension spring 7 and lower cover 8 from top to bottom, 6 top of upper press cover
The restricted limited block 9 gone thereon is fixedly mounted on needle 5, lower cover 8 peak in groove 3-9 set by 3 top surface of spool, from
And jointly sandwich tension spring 7 on needle 5, so that tension spring 7 is multiple by 5 uplink of tension valve needle of itself
Position.
The bottom end of needle 5 is equipped with the plug 5-1 for closing the bottom compensated cavity 3-6 accent, and plug 5-1 is on needle 5
Lower movement, when downlink openable compensated cavity 3-6 bottom accent, and then open upper main venthole 3-7, allow combustion in core cavity 3-1
Gas along upper main venthole 3-7, arc groove 3-8, upper main gas off-take 1-5 and be directed in upper main escape pipe 1-3, uplink Shi Zeke close
The bottom accent of compensated cavity 3-6 is closed, the gas source of main venthole 3-7 in cutting, and then reduce the combustion gas discharge capacity of main escape pipe 1-3.
The working principle of the utility model is:
When original state, the air inlet 3-2 on spool 3 is docked with the air intake duct 1-2 on valve body 1；Auxiliary on spool 3 goes out
Stomata 3-3 is docked with the auxiliary gas off-take 1-7 on valve body 1, so that core cavity 3-1 is connected with auxiliary escape pipe 1-4；On spool 3
Lower main venthole 3-4 pass through on closed airway circle and valve body 1 as made of inner groovy circle 1-8 and external groove circle 3-5 docking
Lower main gas off-take 1-6 conducting, so that core cavity 3-1 is connected with main escape pipe 1-3.
When igniting, knob 4 is pressed down on, the bottom accent for being about to compensated cavity 3-6 under 4 valve needle 5 of knob is opened, and is allowed to
It being connected to core cavity 3-1, the upper main venthole 3-7 on spool 3 is connected by arc groove 3-8 with gas off-take 1-5 main on valve body 1, from
And core cavity 3-1 is connected with main escape pipe.
Valve is opened, and external air source enters in the core cavity 3-1 of spool 3 via air intake duct 1-2 and air inlet 3-2, core cavity 3-
Combustion gas in 1 enters in auxiliary escape pipe 1-4 through auxiliary venthole 3-3 and auxiliary gas off-take 1-7, by auxiliary escape pipe 1-4 outside
The set nozzle in end sprays to igniter；Combustion gas in core cavity 3-1 is all the way via lower main venthole 3-4, closed airway circle and lower master
Gas off-take 1-6 is entered in main escape pipe 1-3, another way via compensated cavity 3-6, upper main venthole 3-7, arc groove 3-8 and on
Main gas off-take 1-5 is entered in main escape pipe 1-3, and the nozzle by being set to the distal end main escape pipe 1-3 sprays to igniter.Due to valve
When opening, the pressure of combustion gas is very high, and moment is imported into main escape pipe 1-3 to two bursts of combustion gas streams simultaneously, makes the combustion gas in escape pipe 1-3
Amount and pressure moment increase, and combustion gas can spray farther, to ensure that igniter obtains sufficient combustion gas in igniting.
Claims (2)
1. a kind of gas furnace safety valve, including valve body (1) and the valve seat (2) being fixedly installed at the top of valve body (1)；Valve body (1)
Top surface is equipped with valve chamber (1-1), and the bottom surface of valve seat (2) is equipped with the valve chamber (2- that a closed chamber is encircled into valve chamber (1-1)
1)；It is equipped with the spool (3) for controlling combustion gas discharge rate by itself rotation in valve chamber (1-1), is equipped in valve chamber (2-1) for driving
Move the knob (4) of the spool (3) rotation；It is characterized in that,
The side of valve body (1) is equipped with the air intake duct (1-2) for valve chamber (1-1) to be connected with extraneous gas source, and the other side, which is equipped with, to be used
In the main escape pipe (1-3) and auxiliary escape pipe (1-4) that the combustion gas in valve chamber (1-1) is delivered to stove igniter respectively, it is used for
By upper main gas off-take (1-5) the He Xiazhu gas off-take (1-6) of valve chamber (1-1) and main escape pipe (1-3) conducting and it is used for valve
Room (1-1) and auxiliary escape pipe (1-4) conducting auxiliary gas off-take (1-7), in which: auxiliary gas off-take (1-7) entrance with into
The outlet of air flue (1-2) is located directly opposite, and the entrance of upper main gas off-take (1-5) He Xiazhu gas off-take (1-6) is respectively arranged on auxiliary
The entrance upper and lower of gas off-take (1-7)；The entrance of lower main gas off-take (1-6) is set to one of inner groovy set by valve body (1) inner wall
It encloses in (1-8)；
The bottom surface of spool (3) be equipped with core cavity (3-1), side wall be equipped with for being docked with air intake duct (1-2), by extraneous gas source from into
Air inlet (3-2) that air flue (1-2) imports in core cavity (3-1), for dock with auxiliary gas off-take (1-7), will core cavity (3-1) it is interior
Combustion gas be directed at auxiliary escape pipe (1-4) auxiliary venthole (3-3) and for core cavity (3-1) He Xiazhu gas off-take to be connected
Combustion gas in core cavity (3-1) is directed at the lower main venthole (3-4) of main escape pipe (1-3), main venthole (3-4) under this by (1-6)
Outlet be set in one also set of external groove circle (3-5) of spool (3) outer wall, the external groove circle (3-5) and valve body (1) inner wall
On inner groovy circle (1-8) be mutually butted, be encircled into one for be connected under main venthole (3-4) He Xiazhu gas off-take (1-6)
Closed airway circle；
The top of core cavity (3-1) is equipped with the compensated cavity (3-6) that communicates therewith, the side wall of the compensated cavity (3-6) be equipped with for
The upper main venthole (3-7) of main gas off-take (1-5) docking, outlet of main venthole (3-7) is set to set by valve body (1) outer wall on this
It is interior for the arc groove (3-8) that dock with the entrance of upper main gas off-take (1-5) together；The roof of the compensated cavity (3-6) is also set
Have a pin hole up and down, be equipped with the needle (5) that can be moved up and down in pin hole, when needle (5) downlink openable compensated cavity (3-
6) bottom accent, to open the gas source of upper main venthole (3-7), when uplink, can then close the bottom accent of compensated cavity (3-6),
To cut off the gas source of upper main venthole (3-7), and then reduce the combustion gas discharge capacity of main escape pipe (1-3).
2. a kind of gas furnace safety valve according to claim 1, which is characterized in that needle is exposed to valve chamber at the top of (5)
Lower section in (2-1) and positioned at knob (4) can be driven and downlink by knob (4)；The top of needle (5) successively covers from top to bottom
Be connected to upper press cover (6), tension spring (7) and lower cover (8), be fixedly mounted on the needle (5) above upper press cover (6) it is restricted its
The limited block (9) of uplink, lower cover (8) branch peaks in groove (3-9) set by spool (3) top surface, thus jointly by tension bullet
Spring (7) is sandwiched on needle (5), so that tension valve needle (5) uplink that tension spring (7) passes through itself resets；
The bottom end of needle (5) is equipped with the plug (5-1) for closing the bottom compensated cavity (3-6) accent, and the plug (5-1) is with needle
(5) move up and down, when downlink openable compensated cavity (3-6) bottom accent, and then open upper main venthole (3-7), allow core cavity
Combustion gas in (3-1) along upper main venthole (3-7), arc groove (3-8), upper main gas off-take (1-5) and be directed at upper main escape pipe (1-
3) in, when uplink, can then close the bottom accent of compensated cavity (3-6), the gas source of the upper main venthole (3-7) of cutting, and then reduction is led
The combustion gas discharge capacity of escape pipe (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798770.0U CN208546570U (en) | 2017-12-19 | 2017-12-19 | Safety valve for gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721798770.0U CN208546570U (en) | 2017-12-19 | 2017-12-19 | Safety valve for gas stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208546570U true CN208546570U (en) | 2019-02-26 |
Family
ID=65416219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721798770.0U Active CN208546570U (en) | 2017-12-19 | 2017-12-19 | Safety valve for gas stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208546570U (en) |
-
2017
- 2017-12-19 CN CN201721798770.0U patent/CN208546570U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |