CN205937924U - Fuel gas plug valve - Google Patents
Fuel gas plug valve Download PDFInfo
- Publication number
- CN205937924U CN205937924U CN201620728433.3U CN201620728433U CN205937924U CN 205937924 U CN205937924 U CN 205937924U CN 201620728433 U CN201620728433 U CN 201620728433U CN 205937924 U CN205937924 U CN 205937924U
- Authority
- CN
- China
- Prior art keywords
- valve
- fuel gas
- valve rod
- gas plug
- distribution cavity
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a fuel gas plug valve, including the case that has the distribution chamber, distribution chamber axial one end is inserted and is equipped with the valve rod of taking movable valve element rotatory, the valve rod has relative case axial motion's an ignition state that pushes down, and the distribution chamber axial other end is the inlet port, side wall of the valve core along the axial be equipped with in proper order with the inner ring air feed hole and the outer loop air feed hole of distribution chamber intercommunication, the inner wall in distribution chamber is equipped with the annular table who is in between inner ring air feed hole and the outer loop air feed hole, be equipped with on the valve rod and pushing down the seal ring that ignition state and annular table offseted, keep away from one of inlet port in inner ring air feed hole and the outer loop air feed hole and blocked to non - connected state by seal ring between ignition state and the inlet port pushing down. The utility model discloses fuel gas plug valve can block to non - connected state between with one and inlet port in inner ring air feed hole and the outer loop air feed hole when igniteing pushing down the valve rod, total the gas output that has reduced can not produce the detonation even the ignition gets nowhere yet.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of fuel gas plug valve.
Background technology
Household electrical appliance now all use piped gas or liquefied gas as fuel as water heater, gas-cooker etc., piped gas or liquefied gas combustion heating are higher with respect to electrothermal efficiency, heating rate is fast, therefore being more subject to popular welcome. the heating-up temperature of ordinary appliances regulates fairly simple, only need to adjust the operating power of electrical equipment, but for the electrical equipment that uses combustion gas, need adjusting air inflow quantity, and the critical piece that air inflow regulates is exactly fuel gas plug valve.
Fuel gas plug valve generally comprises valve body and spool, spool is provided with gas outlet, and in valve body, be provided with venthole, in valve core rotation process, venthole can be aimed in gas outlet, and then realizes and giving vent to anger, and the overlapping area of gas outlet and venthole is different, cause the difference of gas output. along with the discovery of Household electric appliance intelligent, traditional manual fuel gas plug valve is replaced by motor-driven fuel gas plug valve gradually.
Publication number is that the Chinese patent literature of CN 2795582 U discloses a kind of step motor driving type gas cock valve, it comprises valve body, spool and valve core spring, on valve body, have air inlet and gas outlet, stepper motor is connected with valve body by connecting plate, the output shaft of stepper motor is connected with spool by trundle, output shaft and spool are in the same center line, can be in valve body inter-sync rotation, and the drive interface of stepper motor and single-chip microcomputer is joined.
Publication number is a kind of fuel gas plug valve for touch kitchen range of the Chinese patent literature of CN 203614784 U, bag draw together valve body, be loaded on the stepper motor on valve body, be located at the interior and relative rotating spool of valve body of valve body and be located at spool head use in the holddown spring of pressed spool, the head of described spool is connected with the output shaft of stepper motor, during described spool has heart hole and spool periphery are provided with the large fire hole and the small fire hole that are communicated with centre bore, on the valve body of spool side-walls, be provided with into gas passage, the port of export of this inlet channel and spool sidewall are close to.
Publication number is the plug valve that the Chinese patent literature of CN 201925516 U discloses a kind of many grades of flows, by valve body with the rotating spool composition being arranged in valve body, in spool, be provided with the axial hole of connecting source of the gas, the circumference of spool is provided with the flow control hole of several UNICOM's axial holes, on valve body, be provided with 1 venthole corresponding with flow control hole, it has overcome the anglec of rotation that existing plug valve gas flow changes concentrates on the shortcoming in unusual small angle range, particularly using when other power set manually carry out Flow-rate adjustment to plug valve as micromachine replaces, be difficult to realize in very little angle in scope, realize the shortcoming of many grades of flow-controls, user is the gas flow size of adjusting gas stove very easily, obtain the firepower of many grades.
In prior art, press down valve rod when igniting, combustion gas enters the air distribution cavity of spool, and in kitchen range, ring, outer shroud are all given vent to anger, and tolerance is larger, unsuccessfully can produce detonation once light a fire.
Utility model content
The utility model provides a kind of fuel gas plug valve, can press down valve rod when igniting by the one in interior ring air vent and outer shroud air vent and air admission hole between blocking-up be non-connected state, total the gas output having reduced, even if light a fire the unsuccessful detonation that also can not produce.
A kind of fuel gas plug valve, comprise the spool with air distribution cavity, the axial one end of air distribution cavity is inserted with the valve rod that drives Spool rotating, described valve rod has the fired state that presses down of relative spool axially-movable, the axial other end of air distribution cavity is air admission hole, valve Core side wall is sequentially provided with the internal ring air vent and outer shroud air vent connected with air distribution cavity vertically, and the inwall of the air distribution cavity is provided withThe annular table being between internal ring air vent and outer shroud air vent, the valve rod are provided with and are pushing fired state with annular table phaseIn the seal washer for supporting, internal ring air vent and outer shroud air vent away from one of air inlet push fired state and air inlet itBetween by seal washer blocking be non-interconnected state.
When pushing fired state in this utility model, air distribution cavity is divided into two independent spaces by seal washer, close
Air inlet space have combustion gas to enter, the space away from air inlet is isolated, it is to avoid gas quantity is excessive.
In order to improve isolating seal effect, preferably, the annular table has the inclination that gradually sinks from outside to inside close
Front cover, the seal washer are pushing fired state with angular sealing surface abutting cooperation.
The upper and lower orientation that can be regarded as in accompanying drawing of the present utility model, valve element are axially away from air inlet side for top,
It is lower section near air inlet side.
In order to keep stablizing for seal washer to avoid misplacing, the periphery as preferably described valve rod is provided with locating slot, described
Seal washer is set on locating slot.
Be provided with the sealing mechanism that cooperation is slidingly sealed with distribution cavity wall on the valve rod in the side away from air inlet.
With regard to valve element generally speaking, the bottom of air distribution cavity is air inlet, should arrange adaptation with the valve rod time at the top of air distribution cavity
Sealing mechanism, air distribution cavity is isolated from the outside, and this point had both adopted prior art, this utility model to also provide a kind of improvement and tie
Structure.
The sealing mechanism includes：
It is slidably mounted on the lasso of stem outer circumference；
The exterior seal ring for being fixed on lasso periphery and coordinating with distribution cavity wall；
The inner seal ring for being fixed on lasso inner edge and coordinating with valve rod.
As further preferred, the first stage clip between the lasso and seal washer, is provided with.
Seal washer can be driven to push against the annular table of distribution cavity wall using the first stage clip, to ensure sealing effectiveness.
Used as further preferably, the valve rod is provided with the first pressing plate mutually reclined with seal washer, first pressure
Spring is by first pressing plate function in seal washer.
Integrally seal washer can be exerted a force by the first pressing plate, produce homogeneous deformation, sealing effectiveness is more preferably.
Preferably, the inwall of the air distribution cavity is provided with the limited step being engaged with lasso.
There is the second pressing plate preferably, fixing on the valve rod and reclining above inner seal ring described in restraining position ring block, described
The second stage clip has been abutted between spacing ring and the second pressing plate.
In this utility model, lasso axial direction both sides are equipped with stage clip, and both can interact compensation, in motor process
Limited step can keep lasso interval in rational motion.
Preferably, the lasso is provided with for limiting the positioning step of the second pressing plate extreme position.
Fuel gas plug valve of the present utility model, the inwall of air distribution cavity be provided be in internal ring air vent and outer shroud air vent it
Between annular table, be provided with valve rod pushing the seal washer that fired state and annular table offset, by internal ring air vent and outer
It is non-interconnected state that one of ring air vent is blocked between air inlet, reduces total gas output, even if igniting is unsuccessful
Detonation will not also be produced.
Description of the drawings
Internal structure schematic diagrams of the Fig. 1 for this utility model fuel gas plug valve；
Structural representations of the Fig. 2 for the valve element position of this utility model fuel gas plug valve.
Specific embodiment
Referring to Fig. 1, Fig. 2, a kind of fuel gas plug valve of the present embodiment, including valve body 14, being rotatably assorted in valve body 14 has valve element
1, valve element 1 is hollow-core construction, and internal is air distribution cavity, and inside valve element 1, the bottom of axial direction is air inlet 8, is provided with and air inlet in valve body
The electromagnetic valve of the supply that hole 8 is engaged, 14 side wall of valve body are provided with outer shroud air vent 15 and internal ring air vent 16.
Valve rod 4 is inserted with inside valve element 1, valve rod 4 can be rotated, so that outer shroud air vent 15 and internal ring air vent 16 are corresponding
Corresponding pore on valve body, in order to light a fire, valve rod 4 can also axially movable, and valve rod 4 is provided with fixed plate 13, on valve body 14
It is provided with for stopping the restriction plate 12 of fixed plate 13, only when valve rod 4 is pushed, fixed plate 13 is crossed the space of restriction plate 12 and done
Relate to, valve rod 4 can just be rotated, when valve rod 4 is pushed, fixed plate 13 can overcome the elastic force of spring 18 with dynamic pressure plate 17 and trigger igniting
Device.
With regard to igniter and the matching relationship of fixed plate 13 and restriction plate 12, prior art, this practicality can be adopted
Novel improved focuses on valve core structure part.
The distribution cavity wall of valve element 1 is provided with the annular table 19 being between internal ring air vent 16 and outer shroud air vent 15, ring
There is shape platform 19 angular sealing surface for gradually sinking from outside to inside, the periphery of valve rod 4 to be provided with locating slot, and seal washer 9 is set in
On locating slot, seal washer 9 is pushing fired state with angular sealing surface abutting cooperation.
When pushing fired state, air distribution cavity is divided into two independent spaces by seal washer 9, internal ring air vent 16 with enter
Pore 8 is communicated with combustion gas entrance, is blocked as non-interconnected state by seal washer 9, can keep away between outer shroud air vent 15 and air inlet 8
Exempt from gas quantity excessive.
It is provided with and distribution intracavity in the side (being located axially above outer shroud air vent 15) away from air inlet 8 on valve rod 4
Wall is slidingly sealed the sealing mechanism of cooperation, to prevent gas leakage.
Sealing mechanism includes：
It is slidably mounted on the lasso 2 of 4 periphery of valve rod；
The exterior seal ring 3 for being fixed on 2 periphery of lasso and coordinating with distribution cavity wall；
The inner seal ring 7 for being fixed on 7 inner edge of lasso and coordinating with valve rod 4.
Successively against having the first stage clip 11 and the first pressing plate 10 between lasso 2 and seal washer 9, can using the first stage clip 11
Seal washer 9 is further driven to push against the annular table 19 of distribution cavity wall, to ensure sealing effectiveness.
The inwall of air distribution cavity is provided with the limited step 20 being engaged with lasso 2.
Valve rod 4 is provided with spacing ring 21, and inner seal ring 7 reclines the second pressing plate 6, between spacing ring 21 and the second pressing plate 6
Abutting has the second stage clip 5, and lasso 2 is provided with for limiting the positioning step 22 of 6 extreme position of the second pressing plate.
During valve opening action, valve rod 4 is pushed while triggering igniter, the second stage clip 5 promotes the meeting of lasso 2 and limited step 20
Offset, in the presence of exterior seal ring 3 and inner seal ring 7, the air distribution cavity above outer shroud air vent 15 is closed.
During valve rod 4 is pushed, seal washer 9 can be leant with annular table 19, while the electricity in 4 trigger valve body of valve rod
Magnet valve supplies gaseity in opening, but the combustion gas of entrance air distribution cavity can only cross restriction by internal ring air vent 16, fixed plate 13
The space interference of plate 12, valve rod 4 can be rotated, and the pore that internal ring air vent 16 is aligned on valve body realizes supply, reduces total
Gas output, even if igniting is unsuccessful will not also to produce detonation.
After unclamping valve rod 4,4 up reset of valve rod, lower pressure are eliminated, and seal washer 9 can be departed from annular table 19 so that interior
Ring air vent 16 is connected with air inlet 8 with outer shroud air vent 15, has combustion gas to enter, and inner ring and outer rings are converted into normal combustion gas
Supply status.
Claims (10)
1. a kind of fuel gas plug valve, including the valve element with air distribution cavity, air distribution cavity axial direction one end is inserted with and drives Spool rotating
Valve rod, the valve rod have a fired state that pushes of relative valve element axially-movable, and the air distribution cavity axial direction other end is air inlet, valve element
Side wall is sequentially provided with the internal ring air vent and outer shroud air vent connected with air distribution cavity vertically, it is characterised in that the air distribution cavity
Inwall be provided with the annular table being between internal ring air vent and outer shroud air vent, the valve rod is provided with and is pushing fired state
Fired state is being pushed away from one of air inlet in the seal washer offseted with annular table, internal ring air vent and outer shroud air vent
It is non-interconnected state to be blocked by seal washer between air inlet.
2. fuel gas plug valve as claimed in claim 1, it is characterised in that the annular table has gradually sinks from outside to inside
Angular sealing surface, the seal washer are pushing fired state with angular sealing surface abutting cooperation.
3. fuel gas plug valve as claimed in claim 1, it is characterised in that the periphery of the valve rod is provided with locating slot, described close
Seal washer is set on locating slot.
4. the fuel gas plug valve as described in any one of claims 1 to 3, it is characterised in that away from air inlet on the valve rod
Side be provided with the sealing mechanism for being slidingly sealed cooperation with distribution cavity wall.
5. fuel gas plug valve as claimed in claim 4, it is characterised in that the sealing mechanism includes：
It is slidably mounted on the lasso of stem outer circumference；
The exterior seal ring for being fixed on lasso periphery and coordinating with distribution cavity wall；
The inner seal ring for being fixed on lasso inner edge and coordinating with valve rod.
6. fuel gas plug valve as claimed in claim 5, it is characterised in that be provided with the first pressure between the lasso and seal washer
Spring.
7. fuel gas plug valve as claimed in claim 6, it is characterised in that the valve rod is provided with and is mutually reclined with seal washer
First pressing plate, first stage clip is by first pressing plate function in seal washer.
8. fuel gas plug valve as claimed in claim 7, it is characterised in that the inwall of the air distribution cavity is provided with and is engaged with lasso
Limited step.
9. fuel gas plug valve as claimed in claim 8, it is characterised in that fix interior sealing described in restraining position ring block on the valve rod
Reclining above circle has the second pressing plate, has abutted the second stage clip between the spacing ring and the second pressing plate.
10. fuel gas plug valve as claimed in claim 9, it is characterised in that the lasso is provided with for limiting the second pressing plate
The positioning step of extreme position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620728433.3U CN205937924U (en) | 2016-07-08 | 2016-07-08 | Fuel gas plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620728433.3U CN205937924U (en) | 2016-07-08 | 2016-07-08 | Fuel gas plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937924U true CN205937924U (en) | 2017-02-08 |
Family
ID=57928053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620728433.3U Withdrawn - After Issue CN205937924U (en) | 2016-07-08 | 2016-07-08 | Fuel gas plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937924U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051200A (en) * | 2016-07-08 | 2016-10-26 | 浙江新涛电子机械股份有限公司 | Gas plug valve |
| CN110440038A (en) * | 2019-08-19 | 2019-11-12 | 日丰企业集团有限公司 | The current limliting security component of gas pipeline system |
-
2016
- 2016-07-08 CN CN201620728433.3U patent/CN205937924U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051200A (en) * | 2016-07-08 | 2016-10-26 | 浙江新涛电子机械股份有限公司 | Gas plug valve |
| CN106051200B (en) * | 2016-07-08 | 2018-07-17 | 浙江新涛智控科技股份有限公司 | A kind of fuel gas plug valve |
| CN110440038A (en) * | 2019-08-19 | 2019-11-12 | 日丰企业集团有限公司 | The current limliting security component of gas pipeline system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312500 Xinchang County, Zhejiang Province, Tao Road, No. 68, No. Patentee after: Zhejiang Xin Tao Zhi Polytron Technologies Inc Address before: The new Tao road 312500 County of Xinchang province Shaoxing City, Zhejiang province high tech Development Zone No. 68 Patentee before: Zhejiang Xintao Electronic Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180717 |