CN202484338U - Embedded plug valve - Google Patents
Embedded plug valve Download PDFInfo
- Publication number
- CN202484338U CN202484338U CN 201120562165 CN201120562165U CN202484338U CN 202484338 U CN202484338 U CN 202484338U CN 201120562165 CN201120562165 CN 201120562165 CN 201120562165 U CN201120562165 U CN 201120562165U CN 202484338 U CN202484338 U CN 202484338U
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- valve body
- knob shaft
- needle
- 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
Links
Images
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses an embedded plug valve. The embedded plug valve comprises a valve body with one air inlet and two air outlets, and a valve core arranged in the valve body, wherein the valve core is in taper fit with the valve body; an air penetrating channel capable of communicating the air inlet and the air outlets is formed on a side wall of the valve core; a bracket and a bottom plate are arranged above the valve body; a knob shaft is arranged in the center of the bracket and the bottom plate and is positioned above the valve core; the valve core can synchronously rotate with the knob shaft; a valve needle movably penetrates through the valve core and is positioned below the knob shaft; an ejector rod connected with an ignition switch is arranged at the bottom of the valve body; an extension block on the side of the ejector rod is positioned below the valve needle; an open retainer ring is arranged on the valve needle; a valve needle spring is supported between the open retainer ring and the bottom of the valve core; a base is arranged in the valve core; and a valve core spring is supported between the base and the bottom plate. According to dual actions of the valve needle spring and the valve core spring, the valve core and the valve body are in taper fit and can be reliably sealed, and the product safety is greatly improved.
Description
Technical field
The utility model relates to a kind of valve switch that is used for control media break-make and flow direction, particularly a kind of embedded stopcock that is used for gas cooker.
Background technique
Stopcock is mainly used in cut-out in pipeline, liter is joined and change the media flow direction; Having direct current passes through; Resistance is little; Open-close convenient, advantage rapidly are widely used in oilfield exploitation, conveying and the concise equipment, also are widely used in petrochemical industry, chemical industry, coal gas, rock gas, LPG, HVAC industry and the general industry simultaneously.It is easy to adapt to multi-channel structure, so that a valve can obtain two, three even four different runners, can simplify the design of pipe-line system like this, reduces some connection fittings that need in valve door consumption and the equipment.Present gas cooker basically all is to adopt stopcock to control, but there is needle spring easy ageing in existing stopcock, when valve core rotation, can cause the taper fit place of spool and valve body to cause the fatal problem of leakage.Patent Office of the People's Republic of China is disclosed on August 10th, 2011; Notice of authorization number is " the gas cooker stopcock " of " CN201925508U "; It comprises sensitive switch, the valve rod on valve body, the valve body and is set on base plate, stage clip, pressing plate and the banking stop on the valve rod; Wherein base plate is fixed on the valve body, and described base plate is provided with a through hole, and the body wall corresponding with through hole is provided with the chute that the bottom surface tilts; Described pressing plate triggers sheet with the bar shaped of passing through hole and stretching into chute and forms by being set on positioning ring on the valve rod, and the transmission component free end of sensitive switch leans over against chute and with the end of bar shaped triggering sheet.Also there is the problem of leaking easily between spool and the valve body in this structure.
The model utility content
The purpose of the utility model is defective and the deficiency to above-mentioned existing technology, and for people provide a kind of simple in structure, the reliable sealing stopcock is used for gas cooker.
The utility model solves its technical problem, and the technological scheme that is adopted is: this embedded stopcock comprises the valve body that has a suction port and two air outlets and is installed on the spool in the valve body, spool and valve body taper fit; Sidewall at spool offers the gas passage excessively that can be communicated with suction port and air outlet, and support and base plate are installed above valve body, at the center of support and base plate knob shaft is installed; Knob shaft is positioned at the top of spool; And spool can rotate with knob shaft synchronously, and activity is interspersed with needle in spool, and needle is positioned at the below of knob shaft; Be provided with the push rod that links to each other with ignition switch in the valve body bottom; The extension block of push rod side is positioned at the below of needle, and described needle is provided with split washer, between the bottom of split washer and spool, is supported with the needle spring; Pedestal is installed in spool, between pedestal and base plate, is supported with valve core spring.
Be set with knob shaft back-up ring, location piece and compressing tablet on the described knob shaft successively, knob shaft back-up ring, location piece and compressing tablet all between support and base plate, are supported with the knob shaft spring between pressing plate and the base plate.
The lower end sidewall of said knob shaft is provided with abaculus, offers the slotted eye relative with abaculus in the upper end of spool, and when knob shaft moved down, abaculus stretched into slotted eye.
Described body wall is equipped with solenoid valve and heat sensitive sensor.
Described valve core spring is a volute spring.
Seal ring all is installed between described pedestal and needle, pedestal and spool, needle and the spool.
Described suction port place is equipped with the air inlet seal ring, is separately installed with main fiery joint and time fiery joint on described two air outlets.
Described valve body bottom is equipped with bottom, between bottom and valve body, is lined with sealing gasket.
The utility model makes spool and valve body taper fit ability reliable sealing through needle spring and valve core spring double action, has improved security of products greatly.Constituted flame-out protection device by solenoid valve and heat sensitive sensor, can when the gas cooker accident extinguishing, cut off pipeline automatically, prevented gas leakage, thereby further improve Security.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the utility model.
Embodiment
Like Fig. 1, Fig. 2, shown in Figure 3, the utility model is a kind of embedded stopcock, is used for gas cooker, and it comprises the valve body 22 that has a suction port 22.1 and two air outlets 22.2 and is installed on the spool 13 in the valve body 22.22.1 places are equipped with air inlet seal ring 23 at suction port, connect through this air inlet seal ring 23 and the air inlet pipeline of combustion gas, can prevent gas leakage.On two air outlets 22.2, be separately installed with main fiery joint 17 and time fiery joint 16, main fiery joint 17, inferior fiery joint 16 communicate with the little pyrosphere of gas cooker, big pyrosphere respectively.Described spool 13 and valve body 22 taper fit, the sidewall of spool 13 offer can be communicated with suction port 22.1 and air outlet 22.2 cross gas passage 13.2, to the little pyrosphere of gas cooker, big pyrosphere air feed.When spool 13 rotates, can realize break-make, change the flow direction and regulate inflow-rate of water turbine.
Center at support 1 and base plate 6 is equipped with knob shaft 7; Knob shaft 7 is positioned at the top of spool 13; Sidewall is provided with abaculus 7.1 in the lower end of knob shaft 7, offers the slotted eye 13.1 relative with abaculus 7.1 in the upper end of spool 13, when knob shaft 7 moves down; Abaculus 7.1 stretches into slotted eye 13.1, and spool 13 can be rotated with knob shaft 7 synchronously.Be set with knob shaft back-up ring 2, location piece 3 and compressing tablet 4 on the described knob shaft 7 successively; Knob shaft back-up ring 2, location piece 3 and compressing tablet 4 are all between support 1 and base plate 6; Be supported with knob shaft spring 5 between pressing plate 4 and the base plate 6; After decontroling knob shaft 7, under the effect of knob shaft spring 5 restoring forces, knob shaft 7 can pop up and reset.
Activity is interspersed with needle 12 in spool 13, and needle 12 is positioned at the below of knob shaft 7, so knob shaft 7 can promote needle 12 and move down when moving down.Be provided with the push rod 18 that links to each other with ignition switch in valve body 22 bottoms, the extension block of push rod 18 sides is positioned at the below of needle 12, and needle 12 moves down and when offseting with the extension block of push rod 18 sides, push rod 18 rotated, and ignition switch is opened and lighted a fire.Described needle 12 is provided with split washer 10; Between the bottom of split washer 10 and spool 13, be supported with needle spring 11, when knob shaft 7 upwards resetted, needle spring 11 can promote needle 12 and pop up; Make needle 12 leave push rod 18; Simultaneously needle spring 11 also can give spool 13 downward thrust, under needle spring 11 and valve core spring 8 double actions, makes spool 13 and valve body 22 taper fit can reliable sealing.Described valve body 22 bottoms are equipped with bottom 20, are used to protect push rod 18, between bottom 20 and valve body 22, are lined with sealing gasket 19, can prevent gas leakage.
Between described pedestal 9 and needle 12, pedestal 9 and spool 13, needle 12 and the spool 13 seal ring 21 is installed all, thereby prevents that combustion gas in the spool 13 is to external leakage.
Described valve body 22 sidewalls are equipped with solenoid valve 14 and heat sensitive sensor, have constituted flame-out protection device by solenoid valve 14 and heat sensitive sensor, in the arranged outside of solenoid valve 14 protecting jacket 15 are arranged, and are used to protect solenoid valve 14.When heat sensitive sensor detected high temperature, solenoid valve 14 was opened, and pipeline is connected; When heat sensitive sensor detected low temperature, solenoid valve 14 cut out, and fuel gas pipeline cuts off automatically.
The utility model makes spool 13 and valve body 22 taper fit ability reliable sealing through needle spring 11 and valve core spring 8 double actions, has improved security of products greatly.Constituted flame-out protection device by solenoid valve 14 and heat sensitive sensor, can when the gas cooker accident extinguishing, cut off pipeline automatically, prevented gas leakage, thereby further improve Security.
Claims (8)
1. embedded stopcock; It comprises the valve body (22) that has a suction port (22.1) and two air outlets (22.2) and is installed on the spool (13) in the valve body (22); Spool (13) and valve body (22) taper fit; Sidewall at spool (13) offers the gas passage (13.2) excessively that can be communicated with suction port (22.1) and air outlet (22.2), and support (1) and base plate (6) are installed in the top of valve body (22), at the center of support (1) and base plate (6) knob shaft (7) is installed; Knob shaft (7) is positioned at the top of spool (13); And spool (13) can rotate with knob shaft (7) synchronously, and activity is interspersed with needle (12) in spool (13), and needle (12) is positioned at the below of knob shaft (7); Be provided with the push rod (18) that links to each other with ignition switch in valve body (22) bottom; The extension block of push rod (18) side is positioned at the below of needle (12), it is characterized in that described needle (12) is provided with split washer (10), between the bottom of split washer (10) and spool (13), is supported with needle spring (11); Pedestal (9) is installed in spool (13), between pedestal (9) and base plate (6), is supported with valve core spring (8).
2. embedded stopcock according to claim 1; It is characterized in that being set with successively on the described knob shaft (7) knob shaft back-up ring (2), location piece (3) and compressing tablet (4); Knob shaft back-up ring (2), location piece (3) and compressing tablet (4) all are positioned between support (1) and the base plate (6), between pressing plate (4) and base plate (6), are supported with knob shaft spring (5).
3. embedded stopcock according to claim 1; The lower end sidewall that it is characterized in that said knob shaft (7) is provided with abaculus (7.1); Offer the slotted eye (13.1) relative with abaculus (7.1) in the upper end of spool (13); When moving down, abaculus (7.1) stretches into slotted eye (13.1) at knob shaft (7).
4. embedded stopcock according to claim 1 is characterized in that described valve body (22) sidewall is equipped with solenoid valve (14) and heat sensitive sensor.
5. embedded stopcock according to claim 1 is characterized in that described valve core spring (8) is a volute spring.
6. according to the arbitrary described embedded stopcock of claim 1-5, it is characterized in that between described pedestal (9) and needle (12), pedestal (9) and spool (13), needle (12) and the spool (13) seal ring (21) being installed all.
7. embedded stopcock according to claim 6 is characterized in that described suction port (22.1) locates to be equipped with air inlet seal ring (23), is separately installed with main fiery joint (17) and inferior fiery joint (16) on described two air outlets (22.2).
8.
According to the arbitrary described embedded stopcock of claim 7, it is characterized in that described valve body (22) bottom is equipped with bottom (20), is lined with sealing gasket (19) between bottom (20) and valve body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120562165 CN202484338U (en) | 2011-12-29 | 2011-12-29 | Embedded plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120562165 CN202484338U (en) | 2011-12-29 | 2011-12-29 | Embedded plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202484338U true CN202484338U (en) | 2012-10-10 |
Family
ID=46958762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120562165 Expired - Fee Related CN202484338U (en) | 2011-12-29 | 2011-12-29 | Embedded plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202484338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529620A (en) * | 2019-08-16 | 2019-12-03 | 广州市红日燃具有限公司 | A kind of integrated form Gas appliance control valve |
-
2011
- 2011-12-29 CN CN 201120562165 patent/CN202484338U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529620A (en) * | 2019-08-16 | 2019-12-03 | 广州市红日燃具有限公司 | A kind of integrated form Gas appliance control valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202708209U (en) | Double gas supply gas valve | |
| CN103418103A (en) | Heat-accumulating type self-powering automatic fire valve | |
| CN202484338U (en) | Embedded plug valve | |
| CN201916559U (en) | Gas safety emergency cut-off valve | |
| CN203881698U (en) | Device for detecting burning resistance and explosion resistance of flame arrester | |
| CN203477546U (en) | Gas emergency cut-off valve | |
| CN202350323U (en) | Device for automatically detecting pressure of inner container of electric storage water heater | |
| CN201909356U (en) | Gas cooker flameout protector with dual flameout protection | |
| CN202708129U (en) | Valve rod of fire hydrant | |
| CN105003682B (en) | Pressure regulation self-opening type plug valve | |
| CN203230402U (en) | Anti-freezing constant-pressure gas production automatic recovery device | |
| CN103277549B (en) | Leak-proof safety type liquefied gas pressure regulator | |
| CN106090421A (en) | A kind of reliable emergency shutoff device of low temperature inflammable medium tank valve hot environment | |
| CN201615247U (en) | Relay vale for controlling safety intercepting valve of oil and gas well | |
| CN201434128Y (en) | Self-supporting gas safety valve | |
| CN205370496U (en) | Oil well head sealing device | |
| CN204879445U (en) | Novel gas cylinder | |
| CN201513567U (en) | Pipeline gas self-closing valve | |
| CN101216145A (en) | Fire resistant pneumatic explosive-proof gas cylinder | |
| CN205371655U (en) | Ultra -low temperature butterfly valve | |
| CN103423501B (en) | Gas safety valve | |
| CN103438256B (en) | Gas safety valve | |
| CN203703333U (en) | Improved fuel gas safety valve | |
| CN202252250U (en) | Double-electric-control fuel gas electromagnetic valve | |
| CN202125641U (en) | Modified baroswitch |
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: 20121010 Termination date: 20121229 |