CN201795101U

CN201795101U - Manually and electrically controlled frost valve

Info

Publication number: CN201795101U
Application number: CN2010202620311U
Authority: CN
Inventors: 管建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-19
Filing date: 2010-07-19
Publication date: 2011-04-13
Anticipated expiration: 2020-07-19

Abstract

The utility model discloses a manually and electrically controlled frost valve, which comprises a valve box, wherein, a water inlet valve body, a control coil and a drain valve body which are arrayed in the axial direction are sequentially arranged inside the valve box; a water inlet, a water outlet and a water inlet valve hole are formed on the water inlet valve body; a water inlet valve is arranged in the water inlet valve body; a water discharge outlet, a drain valve hole and a positioning cavity are formed on the drain valve body; a drain valve and a manual control rod are arranged in the drain valve body; a bushing is arranged between the water inlet valve body and the drain valve body; a water inflow coil and a draining coil are arranged on the bushing; and a magnet capable of moving along the axes of the bushing is arranged inside the bushing. The manually and electrically controlled frost valve achieves freeze-proof purpose after a pipeline is drained and no water exists in the pipeline, and controls the coils through field operation or remote operation or pull the manual control rod to drive the magnet to operate, so that the water inlet valve or the drain valve is pushed to complete the opening and the closing of the water inlet valve or the drain valve; in addition, the manually and electrically controlled frost valve is easy to manufacture, is low in cost, is convenient for control, and can meet the requirement that the freezing protection of the pipeline or equipment can be controlled remotely.

Description

The two control frost valves of a kind of torch

Technical field

The utility model belongs to valve technology field, refers more particularly to a kind ofly can prevent bridging or the two control frost valves of the torch of bursting by freezing pipeline in winter.

Background technique

In winter; when outdoor temperature drops to below 0 ℃; being located at running water pipe open-air or that do not adopt dim protection facility or the water in the water tap can freeze and cause pipe or water tap bridging or bursting by freezing; make normally water or cause bigger loss of user; for this reason; people adopt pipeline outer wrapping thermal insulation layer; reduce the transmission of cold; because parcel thermal insulation layer cost is higher; trouble is installed; the danger of bursting by freezing pipeline thoroughly still might not take place as insulation; principle according to " emptying is anhydrous "; people have proposed another kind of antifreezing measure again; as China Patent No. is ZL200420091977.0; name is called a kind of utility model patent of tap-water pipe defrosting valve; comprise valve seat and spool; spool is provided with to water hole and weep hole; directly make progress for water hole and weep hole along spool; following layout at interval; and giving between water hole and weep hole along the three-dimensional angle of spool axis radially is 80 °～100 °; be provided with in the waterexit end of valve seat and the corresponding drain opening of the weep hole of spool; when using in the winter time; after closing this valve; just can discharge through the drainage channel of this valve to the water the line segments this valve from the water outlet of exposed pipeline; be discharged in sewerage or the standby container; can frozenly not stop up in the winter of cold to guarantee to expose at outdoor water supply pipe; owing to be spaced for water hole and weep hole up and down; drain plug is arranged on underground; brought inconvenience for the installation of spool; and start and stop lever is arranged on and also causes inconvenient operation and not attractive in appearance on the pipeline; bring certain narrow limitation to use; certainly, also can't realize the requirement of telecontrol frost valve.

The model utility content

The utility model mainly solves pipe insulating layer trouble, cost technical problems of high is installed, and solves common frost valve simultaneously and installs inconvenient, not attractive in appearance and can't monitor and the deficiency of telecontrol site environment; A kind of two control frost valves of torch easy, easy to operate, the energy telecontrol of installing are provided.

In order to solve the technical problem of above-mentioned existence, the utility model mainly is to adopt following technical proposals:

The utility model comprises valve cap, be provided with the water inlet valve body of axially-aligned in the valve cap successively, control coil and draining valve body, described water inlet valve body is provided with water intake, water outlet and water inlet valve opening, be provided with inlet valve in the water inlet valve body, described draining valve body is provided with drain opening, draining valve opening and positioning chamber, be provided with water discharging valve and hand lever in the draining valve body, be provided with sleeve pipe between water inlet valve body and the draining valve body, the two ends of described sleeve pipe are connected with the draining valve body with corresponding water inlet valve body respectively, be provided with into water coil and draining coil around the sleeve pipe, be provided with the magnet that can move along casing axis in the sleeve pipe, described water inlet coil and draining coil be the motion of controlling magnet respectively, described magnet is controlled inlet valve and water discharging valve respectively, the water outlet of described water inlet valve body is provided with the air inlet valve body, by execute-in-place or telecontrol coil, or pulling hand lever, the action of drive magnet, and then promotion inlet valve or water discharging valve, finish opening of inlet valve or opening of drain valve, the principle of frost valve is by emptying ponding, make in the pipeline anhydrous and reach antifreeze purpose, features simple structure, easy processing, cost is lower, it is convenient to control, and can satisfy the antifreeze requirement of on-the-spot remote auto controlling plumbing fixtures or equipment.

As preferably, described water inlet valve body is square body or long square body, be respectively equipped with water intake and water outlet on the relative bi-side on the water inlet valve body, the another side is provided with into water valve opening, water intake, be equipped with internal thread in water outlet and the water inlet valve opening, the water inlet valve opening is connected with described sleeve pipe, the water inlet valve opening is the two-part circular hole, leading portion valve opening aperture is less than back segment valve opening aperture, water intake is communicated with by aperture with the leading portion of water inlet valve opening, water outlet is communicated with by aperture with the back segment of water inlet valve opening, be provided with the inlet valve seat of hollow in the described water inlet valve opening, inlet valve seat is threaded with the leading portion of water inlet valve opening, be provided with inlet valve in the cavity that forms between inlet valve seat end face and the water inlet valve opening leading portion end face, in being provided with, described water intake connects and three-way interface, one end of described three-way interface is threaded by interior connecing with water intake, the other end of three-way interface is threaded with the air inlet valve body, the intermediary interface of three-way interface be connected with water end (W.E.), water intake is communicated with water outlet by inlet valve, utilize the pressure of water dexterously, inlet valve is pressed on the inlet valve seat, good seal performance, get electric or the promotion hand lever and work as the water inlet coil, drive magnet and push away askew inlet valve, make the plane inclination of inlet valve, water intake is communicated with water outlet, so, the opening and closing operations of inlet valve becomes simpler.

As preferably, described inlet valve is round table-like, the round platform bottom is provided with catch bar, and the valve opening of described catch bar and inlet valve seat central authorities matches, and it is relative with magnet that catch bar passes valve opening, valve opening on round platform bottom and the inlet valve seat matches, the inlet valve of frustoconic shape, processing is simple, good seal performance, be not easy to leak, it is convenient to control.

As preferably, described draining valve body is square body or long square body, one side of draining valve body is provided with the draining valve opening, described draining valve opening is connected with sleeve pipe, the side relative with the draining valve opening is provided with positioning chamber, the dead in line of the axis of described positioning chamber and draining valve opening, positioning chamber is communicated with by aperture with the draining valve opening, one side of draining valve body is provided with drain opening, the axis normal of the axis of described drain opening and draining valve opening, drain opening is communicated with the draining valve opening, the draining valve opening, drain opening and positioning chamber are equipped with screw thread, be provided with drain valve seat in the described drain opening, described drain valve seat is threaded with drain opening, the central authorities of drain valve seat are provided with weep hole, also be provided with water discharging valve in the drain opening, be provided with positioning seat in the described positioning chamber, described positioning seat is threaded with positioning chamber, the central authorities of positioning seat are provided with aperture, the shaft of hand lever passes aperture and stretches out the draining valve body, also be provided with the radiation hole of perforation on the draining valve body, the parallel axes of the axis of described radiation hole and draining valve opening, not drain opening at grade and draining valve opening, the positioning chamber dislocation, the shaft and the water discharging valve of hand lever can not influenced each other,, make the magnet afterbody push water discharging valve open by the promotion of magnet or the pulling of hand lever, water discharging valve tilts, the draining valve opening is communicated with drain valve seat, and water is discharged by drain valve seat, and positioning seat can guarantee the stable operation of hand lever, the heat that radiation hole can produce control coil is discharged valve cap, the working life of having improved coil.

As preferably, described water discharging valve is a frustoconic shape, and the bottom surface of round platform is connected with catch bar, and the weep hole of round platform end face and drain valve seat matches, the water discharging valve of frustoconic shape, and processing is simple, and good seal performance is not easy to leak, and it is convenient to control.

As preferably, described sleeve pipe is the thin walled tube of hollow, one end of sleeve pipe is threaded with the water inlet valve opening of water inlet on the valve body, the other end of sleeve pipe is threaded with draining valve opening on the draining valve body, be provided with magnet in the sleeve pipe, magnet can move along sleeve pipe, the two ends of described magnet are corresponding with inlet valve and water discharging valve respectively, sleeve pipe is as the magnetic force systems constituent element of magnet and retrain the movement locus of magnet, space between sleeve pipe and the magnet can be used as drainage channel again, and will intake valve body and draining valve body link into an integrated entity.

As preferably, described magnet is the cylindrical body of hollow, the internal diameter of cylindrical diameter and sleeve pipe matches, one end termination of magnet is a cone, pointed cone outwardly, and is relative with the catch bar of inlet valve, and the other end of magnet is plane, relative with the catch bar of water discharging valve, the middle part of magnet inner chamber is provided with dividing plate, and dividing plate is divided into cup and chamber, back with inner chamber, and the central authorities of dividing plate are provided with aperture, the shaft of described aperture and hand lever is complementary, the bar head of hand lever is disc, is located in the cup of magnet, and the diameter of disk and magnet intracavity diameter match, the shaft of hand lever passes aperture and stretches out the draining valve body by draining valve opening and positioning seat in succession, the magnet hollow design has alleviated weight again, simultaneously when guaranteeing the magnetic force property of magnet, hand lever can be placed in the cavity again, makes things convenient for the operation of hand lever.

As preferably, the central authorities of described air inlet valve body are provided with air-inlet cavity, the bottom of air inlet valve body is connected with three-way interface, the top central authorities of air-inlet cavity are provided with inlet hole, in air-inlet cavity, also be provided with locating stud, the axis normal of described locating stud and air-inlet cavity, be provided with valve ball between inlet hole and the locating stud, described valve ball and air-inlet cavity match, and during draining, hydraulic pressure disappears, valve ball leaves inlet hole and descends, atmosphere by inlet hole enter air-inlet cavity and and then enter into into water valve body, sleeve pipe and draining valve body, discharging is clean easily to make surplus water, and locating stud defines the use track of valve ball.

As preferably; described valve cap is the thin type square tube; valve cap is complementary with water inlet valve body and draining valve body, and valve cap is provided with corresponding opening respectively at the entery and delivery port and the drain opening place of water inlet valve body, and valve cap can not protect coil affected by environment and prevent the danger that the personnel of manipulating get an electric shock.

As preferably, described water inlet coil is located at the side near the water inlet valve body, described draining coil is located at the side near the draining valve body, execute-in-place or remote auto control coil, magnetic force by coil, drive magnet and move, promote the action of inlet valve or water discharging valve to corresponding direction, and then the switching of control inlet valve or drain valve.

The beneficial effects of the utility model are: adopt pipeline " emptying is anhydrous " is reached antifreeze purpose, by execute-in-place or remote auto control coil, or pulling hand lever, the action of drive magnet, and then promote inlet valve or water discharging valve, finish the switching of inlet valve or drain valve, easy processing, cost is lower, and it is convenient to control, and can satisfy the antifreeze requirement of remote auto controlling plumbing fixtures or equipment.

Description of drawings

Fig. 1 is a kind of structure cross-sectional schematic of the present utility model.

Fig. 2 is the water inlet valve body cross-sectional schematic among Fig. 1.

Fig. 3 is the draining valve body cross-sectional schematic among Fig. 1.

Fig. 4 is the air inlet valve body cross-sectional schematic among Fig. 1.

Fig. 5 is an another kind of structure cross-sectional schematic of the present utility model.

Fig. 6 is the water inlet valve body cross-sectional schematic among Fig. 5.

1. valve caps among the figure, the valve body of 2. intaking, 21. water intakes, 22. water outlets, 23. water inlet valve openings, 24. inlet valve seat, 25. inlet valves, 3. draining valve body, 31. draining valve openings, 32. drain opening, 33. drain valve seat, 34. water discharging valves, 35. positioning chambers, 36. positioning seats, 37. radiation holes, 4. sleeve pipe, 41. magnet, 411. lock chambers, 42. hand levers, 5. air inlet valve body, 51. air-inlet cavity, 52. valve balls, 53. locating studs, 54. inlet holes, 6. water inlet coil, 7. draining coil, 8. three-way interface connects in 9..

Embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment 1: the two control frost valves of a kind of torch of present embodiment, as shown in Figure 1, comprise valve cap 1, the water inlet valve body 2 of axially-aligned is installed in the valve cap successively, control coil and draining valve body 3, the water inlet valve body is square body, as shown in Figure 2, have water intake 21 and water outlet 22 on the relative bi-side on the water inlet valve body, be processed with into water valve opening 23 on the another side, water intake, all be processed with internal thread in water outlet and the water inlet valve opening, the water inlet valve opening is connected with casing threads, the water inlet valve opening is the two-part circular hole, the aperture of leading portion valve opening is less than the aperture of back segment valve opening, water intake is communicated with by aperture with the leading portion of water inlet valve opening, water outlet is communicated with by aperture with the back segment of water inlet valve opening, the inlet valve seat 24 of hollow is installed in the water inlet valve opening, inlet valve seat is threaded with water inlet valve opening leading portion, be placed with inlet valve 25 in inlet valve seat and the formed cavity of water inlet valve opening leading portion end face, inlet valve is round table-like, the round platform bottom design has catch bar, the valve opening that catch bar passes inlet valve seat central authorities is relative with the magnet termination, valve opening on round platform bottom and the inlet valve seat matches, connect 9 in being equipped with on the water outlet of water inlet valve body, in the other end that connects be threaded with three-way interface 8, the other end of three-way interface is connected with air inlet valve body 5, the intermediary interface of three-way interface be connected with water end (W.E.), the central design of air inlet valve body has air-inlet cavity 51, as shown in Figure 4, the bottom of air-inlet cavity is connected with three-way interface, the top central authorities of air-inlet cavity have inlet hole 54, and locating stud 53 also is installed in air-inlet cavity, the axis of locating stud and the axis normal of air-inlet cavity, valve ball 52 is installed between inlet hole and the locating stud, and the valve ball diameter is greater than inlet hole; The draining valve body is a square body, as shown in Figure 3, one side of draining valve body has draining valve opening 31, the draining valve opening is connected with sleeve pipe, have positioning chamber 35 on the side relative with the draining valve opening, the dead in line of positioning chamber axis and draining valve opening, positioning chamber is communicated with by aperture with the draining valve opening, the opposite side of draining valve body has drain opening 32, the axis normal of the axis of drain opening and draining valve opening also has certain distance with the axis designs of draining valve opening, the catch bar and the hand lever 42 that guarantee water discharging valve can not influence each other, the draining valve opening, drain opening and positioning chamber all are processed with screw thread, the drain valve seat 33 of hollow is installed in the drain opening, drain valve seat is threaded with drain opening, the central authorities of drain valve seat have weep hole, be provided with water discharging valve 34 in the drain opening, water discharging valve is a frustoconic shape, the bottom surface design of round platform has catch bar, the weep hole of round platform end face and drain valve seat matches, positioning seat 36 is installed in the positioning chamber, and positioning seat is threaded with positioning chamber, and the central authorities of positioning seat have aperture, aperture and hand lever match, and the shaft of hand lever passes aperture and stretches out the draining valve body; Be connected with sleeve pipe 4 between water inlet valve body and the draining valve body, sleeve pipe is the thin walled tube of hollow, one end of sleeve pipe is threaded with the water inlet valve opening of water inlet on the valve body, the other end of sleeve pipe is threaded with the draining valve opening of draining valve body, the sleeve pipe periphery is placed with into water coil 6 and draining coil 7, the water inlet coil is arranged near water inlet valve body one side, the draining coil is arranged near draining valve body one side, the magnet 41 that can move along casing axis is installed in the sleeve pipe, magnet is the cylindrical body of hollow, the internal diameter of cylindrical diameter and sleeve pipe matches, the termination of magnet is a cone, pointed cone outwardly, corresponding with the catch bar of inlet valve, the magnet end tail is the plane, corresponding with the catch bar of water discharging valve, the inner chamber middle part design of hollow has dividing plate, dividing plate is divided into cup and chamber, back with inner chamber, the central authorities of dividing plate have aperture, the shaft of aperture and hand lever is complementary, and the bar head of hand lever is disc, and the diameter of disk and magnet intracavity diameter match, the bar head is placed in the cup of magnet, and shaft passes aperture also in succession by the draining valve opening, positioning chamber and positioning seat stretch out the draining valve body; Valve cap is the thin type square tube, is complementary with the outer of water inlet valve body and draining valve body, and the valve cap surface is provided with corresponding opening respectively at the entery and delivery port place of water inlet valve body and the drain opening place of draining valve body; When frost valve comes into operation, water intake connects intake pipe, the intermediary interface of three-way interface connects uses drainage facility, when intake coil and draining coil are not all bothered to see me out electricity, because the pressure of water inlet makes the round platform of inlet valve be pressed on the top of inlet valve seat, water inlet can't enter in the water valve body, and is anhydrous with water end (W.E.); When the water inlet coil send electricity, produce magnetic force, magnet is moved to water inlet valve body direction, the magnet termination promotes the catch bar of inlet valve, the round platform of inlet valve is tilted, and the round platform plane breaks away from the top of inlet valve seat, and water inlet is communicated with water outlet by the valve opening of inlet valve seat, water inlet flows into the water end, simultaneously, because the hydraulic pressure of water inlet is pressed on the drain valve seat water discharging valve in the draining valve body, valve ball in the air inlet valve body is pressed on the inlet hole, and the draining air inlet is all closed; When the water inlet coil blackout, inlet valve is closed again, and water discharging valve and air intake valve still keep closed condition; When the draining coil gets, produce magnetic force, magnet is moved to draining valve body direction, the magnet termination promotes the catch bar of water discharging valve, water discharging valve is tilted, the round platform plane breaks away from drain valve seat, the draining valve opening communicates with drain valve seat, and surplus water flows through the gap between sleeve pipe and the magnet, the draining valve opening also flows out by the weep hole of drain valve seat, simultaneously, because the hydraulic pressure in the valve body descends, make valve ball in the air inlet valve body break away from inlet hole and descend, make atmosphere enter air-inlet cavity and then enter into water valve opening, sleeve pipe and draining valve opening quicken the outflow of surplus water, surplus water in the pipe in winter is in time discharged, prevent booster.

Embodiment 2: the two control frost valves of a kind of torch of present embodiment, as shown in Figure 5, present embodiment and embodiment's 1 difference is, water inlet position difference on the water inlet valve body, water intake and water outlet in embodiment 1 are oppositely arranged, and the water intake in the present embodiment is arranged on the top of inlet valve, and as shown in Figure 6, water intake directly leads to the top of inlet valve.

Embodiment 2 other parts all with embodiment 1 appropriate section roughly the same, this paper repeats no more.

More than explanation is not that the utility model has been done restriction; the utility model also is not limited only to giving an example of above-mentioned explanation; the variation that those skilled in the art have done in essential scope of the present utility model, retrofit, increase or replace, all should be considered as protection domain of the present utility model.

Claims

1. two control frost valves of a torch, it is characterized in that: comprise valve cap (1), be provided with the water inlet valve body (2) of axially-aligned in the valve cap successively, control coil and draining valve body (3), described water inlet valve body is provided with water intake (21), water outlet (22) and water inlet valve opening (23), be provided with inlet valve (25) in the water inlet valve body, described draining valve body is provided with drain opening (32), draining valve opening (31) and positioning chamber (35), be provided with water discharging valve (34) and hand lever (42) in the draining valve body, be provided with sleeve pipe (4) between water inlet valve body and the draining valve body, the two ends of described sleeve pipe are connected with the draining valve body with corresponding water inlet valve body respectively, be provided with into water coil (6) and draining coil (7) around the sleeve pipe, be provided with the magnet (41) that can move along casing axis in the sleeve pipe, described water inlet coil and draining coil be the motion of controlling magnet respectively, described magnet is controlled inlet valve and water discharging valve respectively, and the water outlet of described water inlet valve body is provided with air inlet valve body (5).

2. the two control frost valves of a kind of torch according to claim 1, it is characterized in that: described water inlet valve body (2) is square body or long square body, be respectively equipped with water intake (21) and water outlet (22) on the relative bi-side on the water inlet valve body, the another side is provided with into water valve opening (23), water intake, be equipped with internal thread in water outlet and the water inlet valve opening, the water inlet valve opening is connected with described sleeve pipe (4), the water inlet valve opening is the two-part circular hole, leading portion valve opening aperture is less than back segment valve opening aperture, water intake is communicated with by aperture with the leading portion of water inlet valve opening, water outlet is communicated with by aperture with the back segment of water inlet valve opening, be provided with the inlet valve seat (24) of hollow in the described water inlet valve opening, inlet valve seat is threaded with the leading portion of water inlet valve opening, be provided with inlet valve (25) in the cavity that forms between inlet valve seat end face and the water inlet valve opening leading portion end face, in being provided with, described water intake connects (9) and three-way interface (8), one end of described three-way interface is communicated with by interior connecing with water intake, the other end of three-way interface is threaded with air inlet valve body (5), the intermediary interface of three-way interface be connected with water end (W.E.).

3. the two control frost valves of a kind of torch according to claim 1 and 2, it is characterized in that: described inlet valve (25) is for round table-like, the round platform bottom is provided with catch bar, the valve opening of described catch bar and inlet valve seat (24) central authorities matches, it is relative with magnet (41) that catch bar passes valve opening, and the valve opening on round platform bottom and the inlet valve seat matches.

4. the two control frost valves of a kind of torch according to claim 1, it is characterized in that: described draining valve body (3) is square body or long square body, one side of draining valve body is provided with draining valve opening (31), described draining valve opening is connected with sleeve pipe (4), the side relative with the draining valve opening is provided with positioning chamber (35), the dead in line of the axis of described positioning chamber and draining valve opening, positioning chamber is communicated with by aperture with the draining valve opening, the another side of draining valve body is provided with drain opening (32), the axis normal of the axis of described drain opening and draining valve opening, drain opening is communicated with the draining valve opening, the draining valve opening, drain opening and positioning chamber are equipped with screw thread, be provided with drain valve seat (33) in the described drain opening, described drain valve seat is threaded with drain opening, the central authorities of drain valve seat are provided with weep hole, also be provided with water discharging valve (34) in the drain opening, be provided with positioning seat (36) in the described positioning chamber, described positioning seat is threaded with positioning chamber, the central authorities of positioning seat are provided with aperture, the shaft of hand lever passes aperture and stretches out the draining valve body, also be provided with the radiation hole (37) of perforation on the draining valve body, the parallel axes of the axis of described radiation hole and draining valve opening.

5. according to claim 1 or the two control frost valves of 4 described a kind of torch, it is characterized in that: described water discharging valve (34) is frustoconic shape, and the bottom surface of round platform is connected with catch bar, and the weep hole of round platform end face and drain valve seat (33) matches.

6. the two control frost valves of a kind of torch according to claim 1, it is characterized in that: described sleeve pipe (4) is the thin walled tube of hollow, one end of sleeve pipe is threaded with water inlet valve opening (23) in water inlet valve body (2), the other end of sleeve pipe is threaded with draining valve opening (31) on the draining valve body (3), be provided with magnet (41) in the sleeve pipe, the two ends of described magnet are corresponding with inlet valve (25) and water discharging valve (34) respectively.

7. according to claim 1 or the two control frost valves of 6 described a kind of torch, it is characterized in that: described magnet (41) is the cylindrical body of hollow, the internal diameter of cylindrical diameter and sleeve pipe (4) matches, one end termination of magnet is a cone, conehead outwardly, relative with the catch bar of inlet valve (25), the other end of magnet is plane, relative with the catch bar of water discharging valve (34), the middle part of magnet inner chamber is provided with dividing plate, dividing plate is divided into cup and chamber, back with inner chamber, and the central authorities of dividing plate are provided with aperture, and the shaft of described aperture and hand lever (42) is complementary, the bar head of hand lever is disc, be located in the cup of magnet, the diameter of disk and magnet intracavity diameter match, and the shaft of hand lever passes aperture also in succession by draining valve opening (31), positioning chamber (35) and positioning seat (36) stretch out draining valve body (3).

8. the two control frost valves of a kind of torch according to claim 1 and 2, it is characterized in that: the central authorities of described air inlet valve body (5) are provided with air-inlet cavity (51), the bottom of air inlet valve body is connected with three-way interface (8), the top central authorities of air-inlet cavity are provided with inlet hole (54), in air-inlet cavity, also be provided with locating stud (53), the axis normal of described locating stud and air-inlet cavity is provided with valve ball (52) between inlet hole and the locating stud, described valve ball and air-inlet cavity match.

9. the two control frost valves of a kind of torch according to claim 1, it is characterized in that: described valve cap (1) is the thin type square tube, valve cap is complementary with water inlet valve body (2) and draining valve body (3), and valve cap locates to be provided with respectively corresponding opening in water intake (21), water outlet (22) and the drain opening (32) of water inlet valve body.

10. the two control frost valves of a kind of torch according to claim 1 is characterized in that: described water inlet coil (6) is located near water inlet valve body (2) one sides, and described draining coil (7) is located near draining valve body (3) one sides.