CN202580037U - Hand-operated gas control valve - Google Patents
Hand-operated gas control valve Download PDFInfo
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- CN202580037U CN202580037U CN 201120441013 CN201120441013U CN202580037U CN 202580037 U CN202580037 U CN 202580037U CN 201120441013 CN201120441013 CN 201120441013 CN 201120441013 U CN201120441013 U CN 201120441013U CN 202580037 U CN202580037 U CN 202580037U
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Abstract
The utility model relates to a hand-operated gas control valve comprising a housing body fixedly connected to a valve main body; a valve core; a key pin disposed on the valve core; a gas inlet valve body, a reset pushing rod mechanism disposed on the gas inlet valve body; an elastic sealing rod and a pushing block, which are disposed in a gas inlet cavity. A part of the valve core extending out of the valve main body is provided with a cap-shaped pressing block corresponding to the rest pushing rod mechanism, and the pressing block is fixedly disposed on the valve ore by a flat head screw. An elastic element is disposed between the pressing block and the valve main body, and an inner wall of the pressing block is provided with a protruding block. An arc-shaped position-restricted block is disposed on end surface of the valve main body corresponding to the pressing block, and the pressing block is clamped with the position-restricted block, when the hand-operated gas control valve is opened. The hand-operated gas control valve can be controlled timely, the operation is convenient and flexible, and at the same time, the gas leakage can be prevented. The hand-operated gas control valve is suitable for gas barbecue ovens, gas ovens and fireplaces, gas heaters, gas driers, and gas water heaters.
Description
Technical field
The utility model relates to a kind of valve that control gaseous opens and closes that is used for, and refers in particular to a kind of manual gas control valve that adopts manual control to open and close.
Background technique
With gas is the utensil of fuel; As chamber oven, baking box, gas cooker and embedded gas stove etc.; Generally comprise a plurality of burners, gaseous fuel be supplied to an arm or the passage of burner, fuel valve between straight tube and each burner, so that control arrives the gas supply of each valve separately through it.
Existing electronically controlled gas control valve, it adopts motor to come the keying of controlling and driving gas control valve.And adopt electronically controlled gas control valve, and be difficult to adjust immediately, flexibly, cause the leakage of gas easily.
The model utility content
One, the purpose of the utility model is to existing in prior technology the problems referred to above, the spy provide a kind of can be immediately, flexibly gas control valve is adjusted, effectively prevent the manual gas control valve of gas leakage.
Two, for solving the problems of the technologies described above, a kind of manual gas control valve of the utility model comprises:
The housing that is connected with valve body;
Cooperate in the above-mentioned valve body to be provided with spool, an end of above-mentioned spool stretches out outside the valve body, and the above-mentioned above-mentioned spool that is positioned at valve body radially is provided with key pin;
Above-mentioned valve body one side is provided with the air inlet valve body; The air-inlet cavity that is arranged in the above-mentioned air inlet valve body communicates with the circulation air cavity of above-mentioned valve body, and above-mentioned key pin is when above-mentioned manual gas control valve is opened and be arranged on air-inlet cavity and the clamping face clamping of the air cavity intersection that circulates;
Be provided with the elastic packing bar in the above-mentioned air-inlet cavity, the inwall of above-mentioned air-inlet cavity is provided with the seal ring platform, and above-mentioned elastic packing bar is against on the above-mentioned seal ring platform;
Above-mentioned elastic packing bar one side is provided with the pushing block that is connected in the above-mentioned air-inlet cavity;
The outer wall of above-mentioned air inlet valve body is provided with the through hole that communicates with above-mentioned air-inlet cavity, the transfer bar mechanism that resets of pegging graft on this above-mentioned through hole, and above-mentioned valve body and the above-mentioned outer wall that resets the transfer bar mechanism homonymy are provided with baffle ring, above-mentioned reset transfer bar mechanism and above-mentioned baffle ring clamping;
Wherein, Above-mentioned stretching out on the outer spool of valve body is fastened with and the corresponding shape for hat briquetting of transfer bar mechanism that resets; Be provided with elastic element between above-mentioned briquetting and the above-mentioned valve body; The inwall of above-mentioned briquetting is provided with projection, and above-mentioned valve body and above-mentioned briquetting opposing end faces are provided with the arc limiting stopper, and above-mentioned briquetting is when above-mentioned manual gas control valve is opened and the limiting stopper clamping.Above-mentioned circulation air cavity is trapezoidal substantially; The inwall of above-mentioned circulation air cavity medium position is provided with a circle and cooperates the inclined-plane; The above-mentioned end that is arranged on the spool in the valve body radially is provided with circular seal disc; Have " U " shape groove on the outer circle wall of sealing dish, be provided with in above-mentioned " U " shape groove and above-mentioned " O " RunddichtringO that cooperates the inclined-plane to be sealed and matched.When manual gas control valve closed condition; Above-mentioned briquetting receives the elastic force effect of elastic element; Has the trend that outside valve body, moves; At this moment, also do to have had the effect of sealing and be arranged on above-mentioned spool end with above-mentioned " O " RunddichtringO that cooperates the inclined-plane to cooperate with the spool of above-mentioned briquetting secure fit to the outwards mobile trend of above-mentioned valve body.
As optimization, above-mentioned elastic element is spring or bellows or sheet spring.So design can make briquetting and spool have the trend of side shifting to valve body outside simultaneously, is arranged on the spool end and has had the effect that seals with " O " RunddichtringO that cooperates the inclined-plane cooperation thereby make.
As optimization; The above-mentioned transfer bar mechanism that resets includes push rod, Returnning spring and is arranged on the packing ring of the through hole of above-mentioned air inlet valve body, and above-mentioned push rod top is circumferentially with annular boss, this boss and above-mentioned baffle ring clamping; Be provided with Sealing between above-mentioned packing ring and the above-mentioned air inlet valve body; The through hole of above-mentioned air inlet valve outer wall is provided with groove, and above-mentioned Sealing is arranged in the groove, and above-mentioned push rod one end is taper.So design, when the utility model manual gas control valve was in closed condition, the above-mentioned transfer bar mechanism that resets was in the state of ejecting; That is, push rod is under the effect of Returnning spring to the external mobile trend of suction valve, and the then anti-throw-out lever of baffle ring that is arranged on the valve body comes off under the effect of Returnning spring elastic force; Simultaneously, in the through hole of air inlet valve outer wall Sealing is set, the sealing part cooperates with the inner wall sealing of push rod and groove; Will prevent effectively that gas from revealing away from the through hole; And end face is provided with packing ring on groove, prevents that on the one hand Sealing is when push rod advances or releases, along with the turnover campaign of push rod; On the other hand, packing ring is the action plane that Returnning spring provides elastic force.
As optimization, above-mentioned Sealing is " O " RunddichtringO.
As optimization, above-mentioned " O " RunddichtringO is processed by fluorine rubber or nitrite rubber or silicone rubber.
As optimization, the main body of above-mentioned pushing block is a tubular, and above-mentioned pushing block is provided with the oblique sheet to the pushing block inner inclination.So design; Be slidingly matched through the inclined-plane; Radially (axis with the air inlet valve body serves as axial) power that push rod is applied changes into axial (axis with the air inlet valve body serves as axial) of pushing block and moves, thereby backs down the elastic packing bar, makes gas in the air-inlet cavity circulate in the air cavity.
As optimization, above-mentioned elastic packing bar comprises the body of rod, and the above-mentioned body of rod one end face is provided with the articulated joint hinged with hinged block, and the corresponding surface of above-mentioned hinged block and above-mentioned pushing block is provided with diaphragm seal, is provided with pressure spring between the above-mentioned hinged block and the above-mentioned body of rod.So design; The body of rod and the clamping of air inlet valve body, the outer wall of above-mentioned suction valve end of body is provided with screw thread, the screw thread of this end hexagon nut that goes out to be spirally connected; The body of rod is through hexagon nut and air inlet valve body drive fit; Like this, can guarantee hinged block when not backed down by pushing block, gas can not circulate in the air cavity through air-inlet cavity.
As optimization, be provided with " O " RunddichtringO between above-mentioned valve body and the above-mentioned housing.
Three, the beneficial effect of the utility model is: can the be real-time manual gas control valve be adjusted, and easy to operate, flexible, simultaneously, also avoided the leakage of gas.
The utility model is applicable to such as gas oven, gas stove and accessory and fireplace, gas heater, the gentle water heater body of gas-drying apparatus etc.
Description of drawings
Below in conjunction with accompanying drawing the utility model manual gas control valve is described further:
Fig. 1 is the overall structure sectional view of the utility model;
Fig. 2 is the partial enlarged drawing of the utility model;
Fig. 3 is the A portion enlarged view of Fig. 1;
Fig. 4 is the B portion enlarged view of Fig. 1;
Fig. 5 is the perspective view of the utility model;
Fig. 6 is the C portion enlarged view of Fig. 5.
Among the figure, 1 is valve body, and 2 is housing, and 3 is spool, and 4 is key pin, and 5 are the air inlet valve body, and 6 is main air-inlet cavity; 7 is secondary air-inlet cavity, and 8 are the circulation air cavity, and 9 are clamping face, and 10 is the seal ring platform, and 11 is pushing block, and 12 is baffle ring, and 13 is briquetting; 14 is flat screw, and 15 is projection, and 16 is limiting stopper, and 17 is spring, and 18 is push rod, and 19 is Returnning spring, and 20 is through hole; 21 is packing ring, and 22 is boss, and 23 is groove, and 24 is " O " RunddichtringO, and 25 is oblique sheet, and 26 is the body of rod, and 27 is hinged block; 28 are articulated joint, and 29 is diaphragm seal, and 30 is pressure spring, and 31 is " O " RunddichtringO, and 32 is packing ring, and 33 is " O " RunddichtringO, and 34 is " O " RunddichtringO; 35 is " O " RunddichtringO, and 36 is " O " RunddichtringO, and 37 for cooperating the inclined-plane, and 38 is seal disc, and 39 is seal groove, and 40 is supporting disk, and 41 is slot; 42 is inserted block, and 43 is gas port, and 44 is adjustment hole, and 45 is the safety valve bolt, and 46 is inlet hole, and 47 is air outlet hole; 48 is spring, and 49 is spring holder, and 50 for regulating pin, and 51 for penetrating baffle plate, and 52 is supporting member, and 53 is that cambered surface is protruding.
Embodiment
1, mode of execution one: shown in Fig. 1 to 6, the utility model manual gas control valve comprises:
The housing 2 that is connected with valve body 1 screw;
Cooperate in the above-mentioned valve body 1 to be provided with spool 3, an end of above-mentioned spool 3 stretches out outside the above-mentioned valve body 1, and the above-mentioned above-mentioned spool 3 that is positioned at valve body 1 radially is provided with key pin 4;
Above-mentioned valve body 1 one sides are provided with air inlet valve body 5; The air-inlet cavitys that are arranged in the above-mentioned air inlet valve body 5 communicate with the circulation air cavity 8 of above-mentioned valve body 1, and above-mentioned key pin 4 is when above-mentioned manual gas control valve is opened and be arranged on clamping face 9 clampings of above-mentioned air-inlet cavity and above-mentioned circulation air cavity 8 intersections;
Be provided with the elastic packing bar in the above-mentioned air-inlet cavity, the inwall of above-mentioned air-inlet cavity is provided with seal ring platform 10, and above-mentioned elastic packing bar is against on the sealing ring platform 10;
Above-mentioned elastic packing bar one side is provided with the pushing block 11 that is connected in the above-mentioned air-inlet cavity; The main body of above-mentioned pushing block 11 is a tubular, and above-mentioned pushing block 11 is provided with the oblique sheet 25 to pushing block 11 inner inclination;
The outer wall of above-mentioned air inlet valve body 5 is provided with the through hole 20 that communicates with above-mentioned air-inlet cavity; Push rod 18 mechanisms that reset of pegging graft on this through hole 20; Above-mentioned valve body 1 is provided with baffle ring 12, above-mentioned reset push rod 18 mechanisms and 12 clampings of above-mentioned baffle ring with the above-mentioned outer wall that resets push rod 18 mechanism's homonymies;
Wherein, The above-mentioned valve body 1 outer above-mentioned spool 3 that stretches out is provided with and the above-mentioned corresponding shape for hat briquetting 13 of push rod 18 mechanisms that resets; This briquetting 13 is fastened on the spool 3 through flat screw 14, is provided with spring 17 between above-mentioned briquetting 13 and the above-mentioned valve body 1, and the inwall of above-mentioned briquetting 13 is provided with projection 15; Above-mentioned valve body 1 is provided with arc limiting stopper 16 with above-mentioned briquetting 13 opposing end faces, and above-mentioned briquetting 13 is when above-mentioned manual gas control valve is opened and 16 clampings of above-mentioned limiting stopper.
Above-mentioned push rod 18 mechanisms that reset include push rod 18, Returnning spring 19 and are arranged on the packing ring 21 at through hole 20 places of above-mentioned air inlet valve body 5; Above-mentioned push rod 18 tops are circumferentially with annular boss 22; This boss 22 and above-mentioned baffle ring 12 clampings are provided with " O " RunddichtringO 24 between above-mentioned packing ring 21 and the above-mentioned air inlet valve body 5, and above-mentioned through hole 20 places of above-mentioned air inlet valve body 5 outer walls are provided with groove 23; Above-mentioned " O " RunddichtringO 24 is arranged in the groove 23, and above-mentioned push rod 18 1 ends are taper.
Above-mentioned elastic packing bar comprises the body of rod 26, and the above-mentioned body of rod 26 1 end faces are provided with the articulated joint 28 hinged with hinged block 27, and above-mentioned hinged block 27 is provided with diaphragm seal 29 with the corresponding surface of above-mentioned pushing block 11, is provided with pressure spring 30 between the above-mentioned hinged block 27 and the above-mentioned body of rod 26.
Be provided with " O " RunddichtringO 31 between above-mentioned valve body 1 and the above-mentioned housing 2.
Be plugged with supporting member 52 on the above-mentioned housing 2, and be fastened on the housing 2 through nut.The supporting member 52 that is positioned at above-mentioned housing 2 is provided with the supporting disk made from above-mentioned supporting member 52 one 40; The end of above-mentioned supporting member 52 is provided with outside thread; Above-mentioned supporting disk 40 is provided with the spring 48 of pegging graft with above-mentioned supporting member 52; These spring 48 1 ends are against on the above-mentioned supporting disk 40, and above-mentioned supporting disk 40 middle parts radially are provided with positive stop lug boss, and above-mentioned spring 48 cooperates grafting with above-mentioned positive stop lug boss; To prevent that above-mentioned spring 48 from squinting, and influences reset effect in the middle of working procedure.
The above-mentioned end that is arranged on the above-mentioned supporting member 52 in the housing 2 is bolted with regulates pin 50; These adjusting pin 50 outer spring holders 49 that are plugged with; The other end above-mentioned and spring 48 that supporting member 52 is pegged graft is against on the above-mentioned spring holder 49, and this spring 48 is to be in compressed state when off position.The outer bottom of above-mentioned spring holder 49 with regulate that pin 50 is adjacent to go out to be provided with seal groove 39, be provided with and regulate " O " RunddichtringO 33 that pin 50 is sealed and matched in the sealing groove 39.
Above-mentioned adjusting pin 50 be circumferentially with cambered surface protruding 53; On this cambered surface protruding 53, cooperate to be provided with and penetrate baffle plate 51; This penetrates baffle plate 51 and cooperates grafting with above-mentioned adjusting pin 50; Above-mentioned ejaculation baffle plate 51 joins with " O " RunddichtringO 33 that is arranged in the seal groove 39, and further guaranteeing has good sealing property between above-mentioned ejaculation baffle plate 51 and the above-mentioned adjusting pin 50.
Above-mentioned ejaculation baffle plate 51 and above-mentioned valve body 1 clamping.
Above-mentioned and spool 3 relative adjustings are sold 50 end faces and are had and cooperate slot 41, above-mentioned with regulate pin 50 relative seal disc 38 end faces and be provided with the inserted block 42 that cooperates grafting with slot 41.
Above-mentioned gas is preferably gas, also can select other gases certainly, such as one or more mixture such as methane, ethane, propane, butane, ethene, propylene, butylene, acetylene, propine, butine, hydrogen sulfide.
In the middle of actual using process, the gas source of the gas joins with the above-mentioned inlet hole 46 that is arranged on the above-mentioned air inlet valve body 5, and burner then joins with the air outlet hole 47 that is arranged on the above-mentioned housing 2.
When being in closed condition; Above-mentioned elastic packing bar and above-mentioned seal ring platform 10 are sealed and matched; At this moment, the gas that enters in the air-inlet cavity through above-mentioned inlet hole 46 just can rest in the above-mentioned air-inlet cavity, and above-mentioned air-inlet cavity is divided into main air-inlet cavity 6 and secondary air-inlet cavity 7; Because being sealed and matched of elastic packing bar and seal ring platform 10, gas just rests in the main air-inlet cavity 6.
The push rod 18 of above-mentioned push rod 18 mechanisms that reset is in the state of ejection under the effect of above-mentioned Returnning spring 19, and with above-mentioned baffle ring 12 clampings, at this moment, the pushing block 11 in the above-mentioned secondary air-inlet cavity 7 is corresponding with above-mentioned through hole 20.
Above-mentioned briquetting 13 drives spools 3 through itself and spring 17 between the above-mentioned valve body 1 and makes trend mobile outside valve body 1; At this moment; Above-mentioned " O " RunddichtringO 34 that is arranged on the seal disc 38 is sealed and matched with cooperating inclined-plane 37, further above-mentioned circulation air cavity 8 is sealed with the space that is communicated with of above-mentioned air-inlet cavity.
Above-mentioned spool 3 stretches out valve body 1 end face outside the above-mentioned valve body 1, axially is provided with step trough, this step trough position secondary step trough.Be provided with " O " RunddichtringO 35 that is sealed and matched with above-mentioned spool 3 in the first order of above-mentioned step trough, leak gas when above-mentioned spool 3 axial motions, be provided with in the second level of above-mentioned step trough and cooperate the packing ring 32 of pegging graft with spool 3 to prevent gas.
Above-mentioned and supporting member 52 sockets and be against spring 48 on the supporting disk 40 with its elastic force with spring holder 49 jack-up; " O " RunddichtringO 33 that is arranged in the seal groove 39 is in ejaculation baffle plate 51 all the time to be sealed and matched; Above-mentioned ejaculation baffle plate 51 is sealed and matched with above-mentioned valve body 1 when the utility model is in closed condition.
Above-mentioned valve body 1 one sides are provided with flow regulator; This flow regulator includes and is arranged on the interior safety valve bolt 45 of bolt hole, is arranged on " O " RunddichtringO 36 on the safety valve bolt 45; Above-mentioned valve body 1 one sides have the adjustment hole 44 that communicates with above-mentioned bolt hole and circulation air cavity 8, have the gas port 43 that communicates with housing 2 on above-mentioned adjustment hole 44 sidewalls.
Above-mentioned adjustment hole 44 1 ends are provided with the spheroid that is used to seal, this spheroid position steel ball of present embodiment.
When needs used burner, the hand-holdable above-mentioned briquetting 13 of user was exerted pressure above-mentioned briquetting 13 toward above-mentioned valve body 1, and at this moment, the briquetting 13 that is fastened on the above-mentioned spool 3 can drive spool 3 to valve body 1 inner moving.When the user will be arranged on spring 17 between briquetting 13 and the valve body 1 and be compressed to maximum value, above-mentioned spool 3 moved to maximum value in valve body 1, and at this moment, the position that radially is arranged on the key pin 4 on the spool 3 will be higher than the position of clamping face 9.In this simultaneously, when the user exerted pressure to briquetting 13, briquetting 13 drove spool 3 the direction to valve body 1 in fastening with it on the one hand and moves; On the other hand; Briquetting 13 is with driving reset push rod 18 mechanisms, that is, briquetting 13 is when drive spool 3 moves; Also will exert pressure, push rod 18 is moved in air inlet valve body 5 along the direction perpendicular to air inlet valve body 5 axis push rod 18.
The end of the push rod 18 that above-mentioned and oblique sheet 25 is slidingly matched is taper, and the tapering of push rod 18 end tapered conforms to the angle of pushing block 11 inner inclination with oblique sheet 25.
Above-mentioned push rod 18 receives exerting pressure of briquetting 13 and moves to air inlet valve body 5 inner directions; And be slidingly matched through the end of taper and the oblique sheet 25 of pushing block 11; The principle that moves through the inclined-plane changes into the power that pushing block 11 moves along air inlet valve body 5 axial directions with push rod 18 perpendicular to the power of air inlet valve body 5 axial directions.
Above-mentioned pushing block 11 moves along air inlet valve body 5 axial directions in secondary air-inlet cavity 7 through the power that push rod 18 applies, and touches mutually with the elastic packing bar, makes the elastic packing bar receive the thrust of pushing block 11 and compresses, thereby open main air-inlet cavity 6.
The body of rod 26 of above-mentioned elastic packing bar is a hollow lever 26, above-mentioned articulated joint 28 and the body of rod 26 clampings.
When the hinged block 27 of 11 pairs of elastic packing bars of pushing block is exerted pressure; The power that hinged block 27 applies pushing block 11 passes to pressure spring 30; Pressure spring 30 is compressed under the effect of power; Thereby diaphragm seal 29 is separated with seal ring platform 10, the gas in main air-inlet cavity 6 is entered in the circulation air cavity 8 through secondary air-inlet cavity 7.
Above-mentioned spool 3 drives down at briquetting 13, and " O " RunddichtringO 34 that is arranged on the seal disc 38 is separated with cooperation inclined-plane 37, can let the circulate gas of air cavity 8 be full of whole circulation air cavity 8.
Then, the user rotates briquetting 13.In briquetting 13 rotations, the spool 3 fastening with it be rotation simultaneously thereupon, makes the key pin 4 that radially is arranged on the spool 3 rotate to clamping face 9 tops.At this moment, for the person of avoiding the use of with briquetting 13 rotation excessively, be arranged on projection 15 on the inwall above key pin 4 rotates to clamping face 9 time, above-mentioned projection 15 just with limiting stopper 16 clampings that are arranged on the valve body 1.
When above-mentioned briquetting 13 drives spool 3 rotations, drive the adjusting pin 50 that cooperates with its grafting through the inserted block 42 that is arranged on seal disc 38 end faces and rotate synchronously.
Above-mentioned adjusting pin 50 is and is fixed on supporting member 52 threaded on the housing 2.When adjusting pin 50 rotates under the drive of spool 3, regulate pin 50 and move along the directions of valve body 1 axial direction to housing 2 inside.At this moment, adjusting pin 50 just can drive the ejaculation baffle plate 51 that is arranged in the adjusting and move to housing 2 inner directions together, and the spring 48 that is arranged between supporting disk 40 and the spring holder 49 can be compressed.Above-mentioned ejaculation baffle plate 51 separates with valve body 1 under the drive of regulating pin 50; At this moment; The space that circulation air cavity 8 is convenient in the housing 2 fuses; Gas just gets in the housing 2 through the gap of penetrating between baffle plate 51 and the valve body 1, and enters into burner through the air outlet hole 47 that is arranged on the housing 2, and the gas of burning usefulness is provided for the user.
Above-mentioned all " O " RunddichtringOs of present embodiment can adopt fluorine rubber or nitrite rubber or silicone rubber to process, and wherein, " O " RunddichtringO of present embodiment adopts fluorine rubber to process.
And when needs are closed the utility model manual gas control valve, only need again counterrotating briquetting 13 to get final product.At this moment; Radially be arranged on key pin 4 on the spool 3 along with the rotation of spool 3 and clamping face 9 break away from; Reset under the effect of above-mentioned briquetting 13 by the reverse elastic force that is arranged on the spring 17 between briquetting 13 and the valve body 1; And above-mentioned push rod 18 is resetted by Returnning spring 19 oppositions after power that briquetting 13 applies disappears, and with baffle ring 12 clampings.
After push rod 18 resetted, the thrust that pushing block 11 has not had push rod 18 to apply by the opposition travelling backwards of pressure spring 30, and was sealed and matched the diaphragm seal 29 that is arranged on the hinged block 27 again with seal ring platform 10.
Above-mentioned spool 3 moves down in the counterrotating of briquetting 13 and along valve body 1 axial direction, and mobile outside valve body 1 along the direction of valve body 1 axis, above-mentioned " O " RunddichtringO 34 that is arranged on the seal disc 38 is sealed and matched with cooperating inclined-plane 37.
Above-mentioned adjusting pin 50 rotates along with the counterrotating of spool 3 and resets again; The above-mentioned spring 48 that is arranged between supporting disk 40 and the spring holder 49 discharges compressed elastic force; With top on the spring holder 49, " O " RunddichtringO 33 that is arranged in the seal groove 39 is sealed and matched with ejaculation baffle plate 51 all the time.Through the jacking of above-mentioned spring 48, ejaculation baffle plate 51 is sealed and matched with valve body 1.
At this moment, air-inlet cavity all will be blocked with housing 2 volume inside with circulation air cavity 8 and circulation air cavity 8, and gas can't arrive housing 2 volume inside through circulation air cavity 8 from air-inlet cavity, promptly realizes closing of the utility model.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (8)
1. manual gas control valve comprises:
The housing that is connected with valve body;
Cooperate in the said valve body to be provided with spool, an end of said spool stretches out outside the said valve body, and the said said spool that is positioned at valve body radially is provided with key pin;
Said valve body one side is provided with the air inlet valve body; The air-inlet cavity that is arranged in the said air inlet valve body communicates with the circulation air cavity of said valve body, and said key pin is when said manual gas control valve is opened and be arranged on air-inlet cavity and the clamping face clamping of the air cavity intersection that circulates;
Be provided with the elastic packing bar in the said air-inlet cavity, the inwall of said air-inlet cavity is provided with the seal ring platform, and said elastic packing bar is against on the said seal ring platform;
Said elastic packing bar one side is provided with the pushing block that is connected in the said air-inlet cavity;
The outer wall of said air inlet valve body is provided with the through hole that communicates with air-inlet cavity, the transfer bar mechanism that resets of pegging graft on this through hole, and said valve body and the said outer wall that resets the transfer bar mechanism homonymy are provided with baffle ring, said reset transfer bar mechanism and this baffle ring clamping;
It is characterized in that: said stretching out on the outer said spool of valve body is fastened with and the corresponding shape for hat briquetting of the said transfer bar mechanism that resets; Be provided with elastic element between said briquetting and the said valve body; The inwall of said briquetting is provided with projection; Said valve body and said briquetting opposing end faces are provided with the arc limiting stopper, and said briquetting is when said manual gas control valve is opened and the limiting stopper clamping.
2. manual gas control valve according to claim 1 is characterized in that: said elastic element is spring or bellows or sheet spring.
3. manual gas control valve according to claim 1; It is characterized in that: the said transfer bar mechanism that resets includes push rod, Returnning spring and is arranged on the packing ring of the through hole of said air inlet valve body, and said push rod top is circumferentially with annular boss, this boss and said baffle ring clamping; Be provided with Sealing between said packing ring and the said air inlet valve body; The through hole of said air inlet valve outer wall is provided with groove, and said Sealing is arranged in the groove, and said push rod one end is taper.
4. manual gas control valve according to claim 3 is characterized in that: said Sealing is " O " RunddichtringO.
5. manual gas control valve according to claim 4 is characterized in that: said " O " RunddichtringO is processed by fluorine rubber or nitrite rubber or silicone rubber.
6. manual gas control valve according to claim 3 is characterized in that: the main body of said pushing block is a tubular, and said pushing block is provided with the oblique sheet to the pushing block inner inclination.
7. manual gas control valve according to claim 1; It is characterized in that: said elastic packing bar comprises the body of rod; The said body of rod one end face is provided with the articulated joint hinged with hinged block; The corresponding surface of said hinged block and said pushing block is provided with diaphragm seal, is provided with pressure spring between the said hinged block and the said body of rod.
8. manual gas control valve according to claim 1 is characterized in that: be provided with " O " RunddichtringO between said valve body and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120441013 CN202580037U (en) | 2011-11-10 | 2011-11-10 | Hand-operated gas control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120441013 CN202580037U (en) | 2011-11-10 | 2011-11-10 | Hand-operated gas control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202580037U true CN202580037U (en) | 2012-12-05 |
Family
ID=47249450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120441013 Expired - Fee Related CN202580037U (en) | 2011-11-10 | 2011-11-10 | Hand-operated gas control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202580037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401139A (en) * | 2011-11-10 | 2012-04-04 | 先进产品控股有限公司 | Manual air control valve |
-
2011
- 2011-11-10 CN CN 201120441013 patent/CN202580037U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401139A (en) * | 2011-11-10 | 2012-04-04 | 先进产品控股有限公司 | Manual air control valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20161110 |