CN201016415Y

CN201016415Y - Double-controlled drainage valve

Info

Publication number: CN201016415Y
Application number: CNU2006201538277U
Authority: CN
Inventors: 陶振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-28
Filing date: 2006-11-28
Publication date: 2008-02-06
Anticipated expiration: 2016-11-28

Abstract

The utility model provides a double-control water outlet valve, which comprises a valve base, a valve cap, an electric control opening and closing device and a manual control switch. The valve base is provided with a water inlet pipe and a water outlet pipe, a water passage control orifice, a water shutoff plug and a return spring. The valve cap is provided with a hydraulic regulating block. The hydraulic regulating block comprises an adjutage threaded up and down inside a mounting hole of the valve cap, a drain plug having an axial refluence hole in the middle and an adjutage sleeve tightly coupled with the mounting hole of the valve cap. Both ends of the adjutage are connected with an encloser body of the electric control opening and closing device and the return spring, respectively. The hydraulic regulating block, the valve cap and the valve base are provided with refluence passages correspondingly. The other side of the drain plug is provided with a forward flow passage communicated with a lower chamber of the adjutage. As the utility model adopts the hydraulic regulating block structure consisting of the adjutage, the drain plug having a refluence hole and the adjutage sleeve and so on arranged on the valve cap, when the utility model is used, effluent flow and pressure are adjusted according to use requirement, and the utility model is usable, quick to be used, and has simple structure.

Description

A kind of two control outlet valve

Technical field

The utility model relates to a kind of outlet valve, particularly a kind ofly both can manually control two control outlet valves that again can electronic control.

Background technique

Now the outlet valve that uses mostly is single manual control outlet valve or electronic control outlet valve, and the manual water outlet valve has only with hand valve open, could water outlet, and this outlet valve uses just cumbersome on the big use place of area; And electronic outlet valve is having a power failure or automatically controlled start-stop device when breaking down, and this water valve just can't normally use, so use also inconvenience, is difficult to be accepted by consumers in general.The numerous and confused release of many for this reason producers is various both can be electronic, manual again two control outlet valve, but the distance that barrier film makes progress jack-up when depending primarily on conducting owing to existing two flow sizes of controlling automatically controlled start-stop device, and this distance depends primarily on the size of hydraulic pressure and the elasticity of barrier film, as seen its flow can not be regulated as required, and it is not too convenient to use.At this situation, as the patent No. be the Chinese patent of ZL200420038805 disclosed a kind of can be manually opened and regulate the barrier film water valve of flow, it adopts the adjusting screw that is provided for limiting barrier film (being the water shutoff plug) lifting height above its adjusting position-limited lever, to come the flow of water in the regulation valve body by this adjusting screw, it also can move downward it to make the barrier film action by pushing cylinder in the spacing body of rod in addition, realize the purpose of manually opened water valve, thereby certain convenience is provided for user's use.But its deficiency is can't be as required and the hydraulic pressure in the regulation valve body arbitrarily, use inconvenient, and complex structure.Add and mostly do not establish venting gas appliance on the existing outlet valve, so that in the process of using, because of the effect of air in the valve body makes slow, the inefficiency of water on the valve body, so be difficult to satisfy consumers in general's needs.

Summary of the invention

The purpose of this utility model is at above-mentioned existing problems and deficiency, provides a kind of and both can manually control water outlet, again can remote electrically controlled water outlet, but also can be according to using needs to adjust easy to use, two control outlet valves efficiently of water flow and pressure arbitrarily.On this basis, the further purpose of the utility model provides a kind of residual gas in the valve can the discharge as early as possible and effectively improves two control outlet valves of its working efficiency.

The technical solution of the utility model is achieved in that

Two control outlet valve described in the utility model comprises valve seat, valve gap and is installed on automatically controlled start-stop device, hand control switch on this valve gap, wherein:

Described valve seat is provided with intake pipe, outlet pipe and is used for valve base cavity is separated into water-stop sheet into water chamber and water outlet cavity, is positioned at the water flowing control mouthful of water-stop sheet top, this water flowing control mouth is provided with water shutoff plug, Returnning spring, described valve gap lid places described water shutoff and make formation one water pressure balance cavity between valve gap and the water shutoff plug beyond the Great Wall, and described water shutoff is provided with beyond the Great Wall and goes into the through hole that water chamber is communicated with;

Described automatically controlled start-stop device comprises frame and can upper and lowerly be installed on the interior spool of this frame movably;

Be characterized in that described valve gap is provided with the water-pressure regulating device that is used to regulate water outlet hydraulic pressure and flow, this water-pressure regulating device comprises and is placed through in the mounting hole of described valve gap top and adjutage that the top is tightly connected bottom described automatically controlled start-stop device frame, be placed in the described adjutage and water plug that have axial reverse flow hole in the middle part of it, be coated on the described adjutage and with made adjutage that the top seal of valve gap mounting hole is connected on, following axially movable adjusting pipe box, and the bottom of described adjutage is connected in described Returnning spring top, the sidewall of described water plug and described adjutage, regulate pipe box, correspondingly be provided with the counter-flowing path that reverse flow hole can be communicated with the water outlet cavity on valve gap and the valve seat, the opposite side of described water plug is provided with the following current passage that communicates with the adjutage cavity of resorption, and described spool bottom is positioned at the upper end of described reverse flow hole and reverse flow hole is formed with the following current passage and is communicated with or closed condition.

For making structure of the present utility model more reliable, above-mentioned adjutage can upper and lowerly be spun on adjutage movably by being arranged at the internal and external screw thread on adjusting pipe box and the adjutage respectively and put, and the lower end of above-mentioned adjusting pipe box is provided with the backstop that is used for that is tightly connected with above-mentioned valve seat mounting hole lower inner wall and regulates the make progress stop collar of displacement of pipe box, and above-mentioned adjutage is realized upper and lower moving axially by rotating described adjusting pipe box.

For make the utility model can be in the process of using with valve body in residual gas discharge as early as possible and effectively improve its working efficiency, to reach the further purpose of the utility model, be connected with venting gas appliance on the above-mentioned outlet pipe, described venting gas appliance comprises the threeway base of bringing the mouth of a river, lower outlet and last relief opening into that links to each other with above-mentioned outlet pipe, be installed on the air discharge cook on the relief opening on this base and described base inner chamber can be separated into water-stop sheet into water channel and exhalant canal.

The utility model is because the adjutage that adopts on valve gap device to be connected with Returnning spring with automatically controlled start-stop device respectively by two end part, be positioned on the made adjutage that the water plug reaches with valve bonnet seal is connected of adjutage band reverse flow hole, the structure of the water-pressure regulating device that following axially movable adjusting pipe box etc. are formed, thereby make the utility model in use, can make adjutage realize that axial displacement reaches the purpose that adjusts water flow and pressure according to the needs that use by the effect of regulating pipe box at any time, therefore extremely easy to use, fast, and it is simple in structure, solve existing outlet valve effectively or can not regulate hydraulic pressure and water-outlet quantity, or complex structure and other problems.Simultaneously, further made things convenient for it to use and strengthened its reliability of structure because the utility model also adopts and will regulate that pipe box is spun on the adjutage and in the structure of the lower device stop collar of adjusting pipe box.Because the utility model also adopts the structure that connects venting gas appliance on outlet pipe, the utility model can be discharged residual gas in the valve body in use as early as possible in addition, improved its working efficiency effectively.The utility model design is ingenious, simple in structure, reliable, easy to use, widely meadow, garden, square and plantation etc.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is the sectional structure schematic representation of Fig. 1;

Fig. 3 is the assembly structure schematic representation of Fig. 1.

Embodiment

As shown in Figure 1-Figure 3, described in the utility model pair of water control valve, comprise valve seat 2, valve gap 3 and be installed on automatically controlled start-stop device 1 on this valve gap 3, hand control switch 4, wherein, described valve seat 2 is provided with intake pipe 21, outlet pipe 22 and be used for valve seat 2 inner chambers are separated into water-stop sheet 23 into water chamber B and water outlet cavity D, be positioned at the water flowing control mouth 24 of water-stop sheet 23 tops, this water flowing control mouth 24 is provided with water shutoff plug 7, Returnning spring 73, described valve gap 3 lids place on the described water shutoff plug 7, and make between valve gap 3 and the water shutoff plug 7 and to form a water pressure balance cavity A, described water shutoff plug 7 is provided with and goes into the through hole 71 that water chamber B is communicated with, described automatically controlled start-stop device 1 comprises frame 11 and can go up, be installed on the spool 12 in this frame 11 down movably, can conveniently regulate water outlet hydraulic pressure and current size for making the utility model according to user's different needs, described valve gap 3 is provided with the water-pressure regulating device 5 that is used to regulate water outlet hydraulic pressure and flow, this water-pressure regulating device 5 comprises and is placed through in the described valve gap top mounting hole 31 and adjutage 51 that top and described automatically controlled start-stop device frame 11 bottoms are tightly connected, be placed in the described adjutage 51 and water plug 52 that have axial reverse flow hole 521 in the middle part of it, be coated on the described adjutage 51 and with made adjutage 51 that 31 top seals of valve gap mounting hole are connected on, following axially movable adjusting pipe box 56, and the bottom of described adjutage 51 is connected in described Returnning spring 73 tops, correspondingly be provided with the counter-flowing path that reverse flow hole 521 can be communicated with water outlet cavity D on described water-pressure regulating device 5 and valve gap 3 and the valve seat 2, the opposite side of described water plug 52 is provided with the following current passage 532 that communicates with adjutage 51 cavity of resorptions, described spool 1 bottom is positioned at the upper end of described reverse flow hole 521 and reverse flow hole 521 is formed with following current passage 532 and is communicated with or closed condition, thereby make the utility model in use, can drive on the adjutage 51 by above-mentioned adjusting pipe box 56, axially move down and regulate the adjusting that realizes to the pressure of Returnning spring 51 and to the lifting height of described water shutoff plug 7 water outlet hydraulic pressure and flow, use needs with the difference that satisfies the user, therefore extremely easy to use, fast.For further making things convenient for it to use and strengthening its reliability of structure, as shown in Figure 2, above-mentioned adjutage 51 can upper and lowerly be spun on movably by being arranged at the internal and external screw thread of regulating pipe box 56 tops and adjutage 51 middle parts respectively to be regulated on the pipe box 56, and the lower end of above-mentioned adjusting pipe box 56 is provided with the backstop that is used for that is tightly connected with above-mentioned valve seat mounting hole 31 lower inner wall and regulates the stop collar 55 of pipe box 56 to top offset, and above-mentioned adjutage 51 is realized upper and lower moving axially by rotating described adjusting pipe box 56.For further strengthening the utility model reliability of structure, the inner chamber of above-mentioned mounting hole 31 is up-small and down-big stepped shaft cavity, and its upper inside wall convexes with spacing shoulder, the top of above-mentioned adjusting pipe box 56 correspondingly be provided with can with the flange of above-mentioned mounting hole 31 tops and spacing shoulder adapting device thereof, above-mentioned stop collar 55 is the body of " protruding " font for the cross section, the bottom outer wall of this stop collar 55 is connected with mounting hole 31 lower seal, external wall of upper portion forms side flow channel 32 then and between the mounting hole 31 middle part inwalls, is respectively equipped with the water flowing slotted eye 36 that described side flow channel 32 can be communicated with the water outlet cavity on above-mentioned valve gap 3 and the valve seat 2,35.Above-mentioned adjutage 51 is the stepped shaft body, above-mentioned water plug 52 for bottom seal and cross section be " in " cylinder of font, and be with pipe box 53 outside these water plug 52 bottoms with above-mentioned adjutage 51 inwall fitted seal, described water plug 52, pipe box 53 and adjutage 51, one side of adjusting pipe box 56 correspondingly has the cross through hole 522 with above-mentioned

reverse flow hole

521 and 32 connections of side flow channel, 531,511,561, above-mentioned reverse flow hole 521, cross through hole 522,531,511,561, side flow channel 32 and water flowing slotted

eye

36,35 form counter-flowing path together, and above-mentioned following current passage is the axial notch 532 that is arranged on described pipe box 53 another sidewalls.For making above-mentioned spool 12 realize better sealing with reverse flow hole 521, above-mentioned spool 12 bottoms are provided with can be with the sealing head 13 of above-mentioned reverse flow hole 521 sealings.One side of above-mentioned valve gap 3 is provided with and above-mentioned two water flowing slotted eyes 36, the 35 side mounting holes 33 that are communicated with, and the inner end of this side mounting hole 33 is the small through hole 34 that is communicated with above-mentioned water pressure balance cavity, above-mentioned hand switch 4 comprises that the inner can and be connected in the nut of these screw rod 41 outer ends with the adjusting screw rod 41 of described small through hole 34 fitted seal, and forming between the inside outer wall of described adjusting screw rod 41 and the inwall of side mounting hole 33 can be with the water flowing slotted eye 35 on above-mentioned valve gap 3 and the valve seat 1, the sealing by described nut and described side mount inlet 33 outer ends of 36 gaps that are communicated with, described hand switch 4 spins adjusting screw rod 41 is plugged movably in described side mount inlet 33, and described water pressure balance cavity A is communicated with or closed condition with 35 formation of water flowing slotted eye.For further strengthening its reliability of structure, above-mentioned through hole 34 is a taper hole, and above-mentioned screw rod 41 is the little stepped shaft cylinder of outer imperial palace, and its afterbody is and can cooperates the cone that plugs with described taper hole.For make the utility model can be in the process of using with valve body in residual gas discharge as early as possible and effectively improve its working efficiency, to reach the further purpose of the utility model, be connected with venting gas appliance 6 on the above-mentioned outlet pipe 22, described venting gas appliance 6 comprise link to each other with above-mentioned outlet pipe 22 bring the mouth of a river 64 into, the threeway base of lower outlet 61 and last relief opening 63, described base inner chamber can be separated into the water-stop sheet 65 of water channel G and exhalant canal F and be installed on air discharge cook 62 on this base relief opening 63, described base 61 and valve seat 2 inner chambers are by two water-

stop sheets

23,65 effect and form water containing basin-like body.Above-mentioned air discharge cook 62 comprise be rotatably connected on the above-mentioned relief opening 63 and exhaust cap 621 which is provided with at least one side exhaust port 623 and can upper and lowerly be installed on slidably on the described exhaust cap 621 and can cooperate with the outlet of above-mentioned exhalant canal and keep off the water deflector 622 of putting.Wherein, above-mentioned air discharge cook 62 comprises that sealing is rotatably connected in the exhaust cap 621 on the above-mentioned relief opening 63 and can upper and lowerly be installed on the water deflector 622 of described exhaust cap 621 inner chambers versatilely, this water deflector 622 can cooperate retaining to put with above-mentioned outlet of going into water channel G when falling, and can plug in exhaust cap 621 inner chambers and with above-mentioned exhaust port 623 sealings when rising.Above-mentioned water-

stop sheet

23,65 is for laying respectively at the bent plate of above-mentioned valve seat intake pipe 21 and air vent seat outlet pipe 61 upper ends.For further strengthening its reliability of structure, the inwall of above-mentioned water flowing control mouth 24 is provided with the flange that can form the above-mentioned water chamber G of going into water outlet with above-mentioned water-stop sheet 23.Above-mentioned water shutoff plug 7 is that central authorities are thick, the acetabulum of thin edge, and its middle part lid places on the water inlet of described exhalant canal D, and its edge is fixed on the valve seat 2.The utility model design is ingenious, simple in structure, reliable, easy to use, widely meadow, garden, square and plantation etc.

The utility model compared with prior art has following advantage:

1, under 2～20kg pressure environment, works, can regulate the discharge of liquid and the size of working pressure arbitrarily;

2, adopted Electromagnetic Control, available a plurality of product grouping series connection and controller are used, and can reach the irrigation of distant control position in many ways and spray purpose.

Below in conjunction with accompanying drawing working principle of the present utility model is described in further detail:

During use, when automatically controlled start-stop device 1 no electric circuit and hand switch 4 are in when closing, sealing head 13 stifled reverse flow hole 521 upper ends that place water plug 52 on its spool 12, be not communicated with between water pressure balance cavity A and the water outlet cavity D, the water that go into water chamber B this moment enters water pressure balance cavity A by the through hole on the water shutoff plug 7 71, the hydraulic action of water pressure balance cavity A is on water shutoff plug 7, water shutoff plug 7 is sealed water flowing control mouth 23, outlet valve is in closed condition, and the water deflector 622 in the above-mentioned venting gas appliance 6 glides to keeping off because of the effect of self gravitation and places it to go into the outlet port of water chamber G.When automatically controlled start-stop device 1 is connected power supply and hand switch 4 when still being in closed condition, above-mentioned spool 12 and sealing head 13 move upward and break away from reverse flow hole 521 tops, the interior water of water pressure balance cavity A this moment passes through the inner chamber of adjutage 51, and then it is up mobile through the passage downstream 532 of pipe box 53, again through the reverse flow hole 521 of water plug 52, cross through hole 522,531,511,561, side flow channel 32 and water flowing slotted

eye

36,35 enter water outlet cavity D, go into the pressure of the pressure in water chamber B district this moment greater than water pressure balance cavity A district, thereby water shutoff plug 7 is up pushed away and form opening state, make into water chamber B and be communicated with by water flowing control mouth 23 with water outlet cavity D, go into the below inflow D district of the water of water chamber from water shutoff plug 7, flow out from outlet pipe 22 again and enter the venting gas appliance 6, residual air in the valve body 1 is the edge of water deflector 622 from venting gas appliance 6 immediately then, discharge from exhaust port 623 in gap between water deflector 622 and the exhaust cap 621 again.After having arranged gas, on exhaust cap 621 and make 623 sealings of its exhaust port, the water of outlet pipe 22 flows out from the water outlet of venting gas appliance 6 water deflector 622 in the venting gas appliance 6 at rising overhead under the effect of hydraulic pressure.And in the process of using, can rotate above-mentioned adjusting pipe box 56 according to the needs that use and satisfy the needs of user different hydraulic pressure and flow to order about the certain displacement of adjutage 51 generations.When closing automatically controlled start-stop device 1, above-mentioned spool 12 moves downward and the sealing head 13 on it is clogged reverse flow hole 521, the water that enters adjutage 51 inner chambers can't enter reverse flow hole 521, the pressure of water pressure balance cavity A is equated with the pressure in B district, water shutoff plug 7 resets under the effect of Returnning spring 73 and again water flowing control mouth 23 is sealed, to have reached the purpose of closing water.When automatically controlled start-stop device 1 damages or has a power failure, the nut of rotation manual switch 4 is to drive screw rod 41 outside motions and the afterbody of screw rod 41 is withdrawed from from conical through-hole 35, the interior water of water pressure balance cavity A this moment passes through through hole 35 approaching side mounting holes, water flowing slotted eye 35 arrives water outlet cavity D district, go into the pressure of the pressure in water chamber B district this moment greater than water pressure balance cavity A district, water shutoff plug 7 is up pushed away and is formed opening state, going into water chamber B this moment is communicated with by water flowing control mouth 23 with water outlet cavity D, water in the intake pipe 21 is from going into water chamber B, the below of water shutoff plug 7 flows into water outlet cavity D district, again from outlet pipe 22, venting gas appliance 6 flows out and has reached the purpose of boiling water.When closing, counter rotation manual switch 4 makes screw rod 41 again taper hole 35 be stopped up the purpose that can reach Guan Shui, so extremely easy to use.

Claims

1. two control outlet valve comprises valve seat (2), valve gap (3) and is installed on automatically controlled start-stop device (1), hand control switch (4) on this valve gap (3), wherein:

Described valve seat (2) is provided with intake pipe (21), outlet pipe (22) and is used for valve seat (2) inner chamber is separated into water-stop sheet (23) into water chamber (B) and water outlet cavity (D), is positioned at the water flowing control mouthful (24) of water-stop sheet (23) top, this water flowing control mouthful (24) is provided with water shutoff plug (7), Returnning spring (73), described valve gap (3) lid places described water shutoff plug (7) to go up and make and forms a water pressure balance cavity (A) between valve gap (3) and the water shutoff plug (7), and described water shutoff plug (7) is provided with and goes into the through hole (71) that water chamber (B) is communicated with;

Described automatically controlled start-stop device (1) comprises frame (11) and can upper and lowerly be installed on the interior spool (12) of this frame (11) movably;

It is characterized in that described valve gap (3) is provided with the water-pressure regulating device (5) that is used to regulate water outlet hydraulic pressure and flow, this water-pressure regulating device (5) comprises and is placed through in the described valve gap top mounting hole (31) and adjutage (51) that the top is tightly connected bottom described automatically controlled start-stop device frame (11), be placed in the described adjutage (51) and water plug (52) that have axial reverse flow hole (521) in the middle part of it, be coated at that described adjutage (51) is gone up and with made adjutage (51) that valve gap mounting hole (31) top seal is connected on, following axially movable adjusting pipe box (56), and the bottom of described adjutage (51) is connected in described Returnning spring (73) top, described water-pressure regulating device (5) and valve gap (3), correspondingly be provided with the counter-flowing path that reverse flow hole (521) can be communicated with water outlet cavity (D) on the valve seat (2), the opposite side of described water plug (52) is provided with the following current passage (532) that communicates with adjutage (51) cavity of resorption, and described spool (1) bottom is positioned at the upper end of described reverse flow hole (521) and reverse flow hole (521) is formed with following current passage (532) and is communicated with or closed condition.

2. outlet valve according to claim 1, it is characterized in that above-mentioned adjutage (51) can upper and lowerly be spun on the adjusting pipe box (56) movably by being arranged at the internal and external screw thread on adjusting pipe box (56) and the adjutage (51) respectively, and the lower end of above-mentioned adjusting pipe box (56) is provided with the backstop that is used for that is tightly connected with above-mentioned valve seat mounting hole (31) lower inner wall and regulates the stop collar (55) of pipe box (56) to top offset, and above-mentioned adjutage (51) is realized upper and lower moving axially by rotating described adjusting pipe box (56).

3. outlet valve according to claim 2, the inner chamber that it is characterized in that above-mentioned mounting hole (31) is up-small and down-big stepped shaft cavity, and its upper inside wall convexes with spacing shoulder, the top of above-mentioned adjusting pipe box (56) correspondingly be provided with can with the flange of above-mentioned mounting hole (31) top and spacing shoulder adapting device thereof, above-mentioned stop collar (55) is the body of " protruding " font for the cross section, the bottom outer wall of this stop collar (55) is connected with mounting hole (31) lower seal, external wall of upper portion then and between the inwall of mounting hole (31) middle part forms side flow channel (32), is respectively equipped with the water flowing slotted eye (36 that described side flow channel (32) can be communicated with the water outlet cavity on above-mentioned valve gap (3) and the valve seat (2), 35).

4. outlet valve according to claim 3, it is characterized in that above-mentioned adjutage (51) is the stepped shaft body, above-mentioned water plug (52) for bottom seal and cross section be " in " cylinder of font, and be with pipe box (53) outside this water plug (52) bottom with above-mentioned adjutage (51) inwall fitted seal, described pipe box (53) and water plug (52), adjutage (51), one side of adjusting pipe box (56) correspondingly has the cross through hole (531 with above-mentioned reverse flow hole (521) and side flow channel (32) connection, 522,511,561), above-mentioned reverse flow hole (521), cross through hole (522,531,511,561), side flow channel (32) and water flowing slotted eye (36,35) form counter-flowing path together, above-mentioned following current passage is for being arranged at the axial notch (532) on another sidewall of described pipe box (53).

5. outlet valve according to claim 1 is characterized in that above-mentioned spool (12) bottom is provided with the sealing head (13) that above-mentioned reverse flow hole (521) can be sealed.

6. outlet valve according to claim 4, a side that it is characterized in that above-mentioned valve gap (3) is provided with and above-mentioned two water flowing slotted eyes (36,35) the side mounting hole (33) of Lian Tonging, and the inner end of this side mounting hole (33) is the small through hole (34) that is communicated with above-mentioned water pressure balance cavity, above-mentioned hand switch (4) comprises that the inner can and be connected in the nut of this screw rod (41) outer end with the adjusting screw rod (41) of described small through hole (34) fitted seal, and forming between the inwall of the inside outer wall of described adjusting screw rod (41) and side mounting hole (33) can be with the water flowing slotted eye (35 on above-mentioned valve gap (3) and the valve seat (1), 36) sealing by described nut and described side mount inlet (33) outer end of the gap of Lian Tonging, described hand switch (4) spins adjusting screw rod (41) is plugged movably in described side mount inlet (33), and can make described water pressure balance cavity (A) and water flowing slotted eye (35,36) form connection or closed condition.

7. outlet valve according to claim 6 is characterized in that above-mentioned through hole (34) is a taper hole, and above-mentioned screw rod (41) is the little stepped shaft cylinder of outer imperial palace, and its afterbody is and can cooperates the cone that plugs with described taper hole.

8. outlet valve according to claim 1, it is characterized in that being connected with on the above-mentioned outlet pipe (22) venting gas appliance (6), described venting gas appliance (6) comprise the threeway base of bringing the mouth of a river (64), lower outlet (61) and last relief opening (63) into that links to each other with above-mentioned outlet pipe (22) and with described base inner chamber be separated into water channel and exhalant canal water-stop sheet (65), be installed on the air discharge cook (62) on this base relief opening (63).

9. outlet valve according to claim 8, it is characterized in that above-mentioned air discharge cook (62) comprises is rotatably connected on the above-mentioned relief opening (63) and exhaust cap (621) which is provided with at least one side exhaust port (623), can upper and lowerly be installed on water deflector (622) described exhaust cap (621) inner chamber and that can cooperate retaining to put with the outlet of above-mentioned base entry passage (G) slidably, and described water deflector (622) can cooperate with described exhaust cap (621) when rising and seal described exhaust port (623).

10. outlet valve according to claim 8 is characterized in that above-mentioned water-stop sheet (23,65) is for laying respectively at the bent plate of above-mentioned valve seat intake pipe (21) and venting gas appliance water outlet (61) upper end.