CN206130223U - Automatic water draining valve - Google Patents

Automatic water draining valve Download PDF

Info

Publication number
CN206130223U
CN206130223U CN201621215266.9U CN201621215266U CN206130223U CN 206130223 U CN206130223 U CN 206130223U CN 201621215266 U CN201621215266 U CN 201621215266U CN 206130223 U CN206130223 U CN 206130223U
Authority
CN
China
Prior art keywords
cavity
valve
spring
automatic drainage
round platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201621215266.9U
Other languages
Chinese (zh)
Inventor
刘立佳
岳许才
芦官巨
李宏宇
彭振经
王玮
柳艳清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING LIBOMING TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
BEIJING LIBOMING TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING LIBOMING TECHNOLOGY DEVELOPMENT Co Ltd filed Critical BEIJING LIBOMING TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201621215266.9U priority Critical patent/CN206130223U/en
Application granted granted Critical
Publication of CN206130223U publication Critical patent/CN206130223U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The utility model discloses an automatic water draining valve, including ball valve and sluicing device, to fix on the cavity inner wall of the valve body of ball valve middle part and be equipped with the disk seat, the card is equipped with the spheroid between the disk seat, and the spheroid top is equipped with the recess, and the bottom of valve rod is equipped with the convex part that matches with the groove phase. The joint of sluicing device and valve body spiro union are equipped with first cavity, second cavity and third cavity from the left hand right side in connecting in proper order, and second cavity and third cavity junction are equipped with second round platform chamber, and the right -hand member in second round platform chamber is equipped with O type circle, be equipped with the glass ball in the third cavity, be equipped with the spring in the second cavity, the right -hand member of spring passes O type circle and glass ball fixed connection, the left end of spring and the left end inner wall fixed connection of second cavity. Automatic water draining valve is corrosion -resistant, long service life, and sealing performance is good, does not have to leak. Automatic water draining valve and maintain valve integrated design, simple to operate. Open sluicing according to pipeline water pressure is automatic, self -closing when spraying the operation, the security performance is good.

Description

A kind of automatic drainage valve
Technical field
This utility model is related to pipeline valve technical field, and in particular to a kind of automatic drainage valve.
Background technology
After spray work is carried out using spray gun, inlet valve is directly closed, then unsprayed water often stays in spray gun And its in pipeline, in the case that in the winter time room temperature is relatively low, these waters can cause the phenomenon of spray gun bursting by freezing to occur.
Accordingly, it is desirable to provide a kind of automatic drainage valve, is to solve after spray system work on the spot terminates due to spray gun internal memory Water and make the phenomenon of spray gun bursting by freezing, compensate for net broken due to flowing to residual liquid in the work such as spray system, Pipe transfer The loss changed product and cause.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of automatic drainage valve, is connected with electromagnetic valve installed in spray gun At pipe, the water that spray can automatically in emptying spray gun after terminating prevents spray gun bursting by freezing.
To solve above-mentioned technical problem, this utility model adopts following technical proposals:
A kind of automatic drainage valve, including ball valve and water draw-off, the ball valve includes valve body, valve seat, spheroid and valve rod, institute State and valve seat is fixed with the middle part cavity inner wall of valve body, spheroid is arranged between the valve seat, the spheroid top is provided with recessed Groove, the bottom of the valve rod is provided with the convex portion with groove match.
The water draw-off includes glass bead, O-ring, joint and spring, and the joint is spirally connected with valve body, in the joint The first cavity, the second cavity and the 3rd cavity are sequentially provided with from left to right, first cavity, the second cavity and the 3rd cavity Internal diameter gradually increases, and first cavity and the second cavity junction are provided with the first round platform chamber, second cavity and the 3rd chamber Body junction is provided with the second round platform chamber, and the right-hand member in the second round platform chamber is provided with O-ring, in the 3rd cavity glass is provided with Ball, is provided with spring in second cavity, the right-hand member of the spring is fixedly connected through O-ring with glass bead, the spring Left end is fixedly connected with the left end inwall of the second cavity.Using the female thread connection of sealing tubular type, sealing between joint and valve body Can be good.
Preferably, the diameter of the glass bead less than the 3rd cavity internal diameter, the glass bead with diameter greater than O-ring Internal diameter.Glass bead can be moved left and right in the 3rd cavity.
Preferably, it is provided with filter pad between the glass bead and valve body.Debris blocking water draw-off in order to prevent water, Filter pad is provided between glass bead and valve body.
Preferably, the outside of the valve rod is provided with filler.Packing seal is dynamic close between valve rod and valve body in order to ensure Envelope.
Preferably, it is provided with filler pressing sleeve at the top of described filler.Filler pressing sleeve is applied with sufficient thrust for filler.Only When having by certain thrust, filler could produce certain radial direction deformation, enrich the gap between valve rod and valve body, so as to Play sealing function.
Preferably, the top of the valve rod is fixed with handle by acorn nut.Automatic drainage valve and service valve one Change design, easy for installation, dependable performance.
Preferably, it is fixed with spring washer between the acorn nut and handle.The effect of spring washer is to prevent lid Shape nut loosening.
Preferably, with axis there is angle in the side in the first round platform chamber.The side in the second round platform chamber and axis There is angle.
Preferably, the thrust of the spring is more than 0.02MPa.
The beneficial effects of the utility model are as follows:
A kind of automatic drainage valve of the present utility model, as a result of above technical scheme, valve body adopts rustless steel or copper, It is corrosion-resistant, long service life.Connected using 1/2 " tubular types female thread, good seal performance, No leakage.Automatic drainage valve and service valve Integrated design, easy for installation, dependable performance.Sluicing is automatically opened up according to descaling line pressure, is automatically switched off during spray operation, safety Performance is good.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 illustrates a kind of structural representation of automatic drainage valve of this utility model.
Each labelling is as follows in figure:1 filter pad, 2 glass beads, 3 joints, 4 springs, 5 valve bodies, 6 fillers, 7 filler pressing sleeves, 8 bullets Spring packing ring, 9 acorn nuts, 10 valve rods, 11 spheroids, 12 valve seats, 13 handles, 14O type circles
Specific embodiment
In order to be illustrated more clearly that this utility model, this utility model is done into one with reference to preferred embodiments and drawings The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below Specifically described content is illustrative and be not restrictive, and should not limit protection domain of the present utility model with this.
As shown in figure 1, a kind of automatic drainage valve, including ball valve and water draw-off, the ball valve include valve body 5, valve seat 12, Spheroid 11 and valve rod 10, the material of valve body 5 is using rustless steel or copper, corrosion-resistant, long service life.The center lumen of the valve body 5 In vivo valve seat 12 is fixed with wall, spheroid 11 is arranged between the valve seat 12, the top of the spheroid 11 is provided with groove, described The bottom of valve rod 10 is provided with the convex portion with groove match.The outside of the valve rod 10 is provided with filler 6, the top of described filler 6 It is provided with filler pressing sleeve 7.The top of the valve rod 10 is fixed with handle 13, the acorn nut 9 and handle by acorn nut 9 Spring washer 8 is fixed between 13.
The water draw-off includes glass bead 2, O-ring 14, joint 3 and spring 4, and the joint 3 is spirally connected with valve body 5, institute State and be sequentially provided with from left to right in joint 3 first cavity, the second cavity and the 3rd cavity, first cavity, the second cavity and The internal diameter of the 3rd cavity gradually increases, and first cavity and the second cavity junction are provided with the first round platform chamber, first circle There is angle with axis in the side in platform chamber;Second cavity and the 3rd cavity junction are provided with the second round platform chamber, and described second There is angle with axis in the side in round platform chamber;The right-hand member in the second round platform chamber is provided with O-ring 14, is provided with the 3rd cavity Glass bead 2, the diameter of the glass bead 2 less than the 3rd cavity internal diameter, the glass bead 2 with diameter greater than in O-ring 14 Footpath.Filter pad 1 is provided between the glass bead 2 and valve body 5.Spring 4, the right-hand member of the spring 4 are provided with second cavity It is fixedly connected with glass bead 2 through O-ring 14, the left end of the spring 4 is fixedly connected with the left end inwall of the second cavity.It is described The thrust of spring 4 is more than 0.02MPa.
Operation principle:The no matter any state being turned on and off in spray system, in automatic drainage valve handle 13 all in Normally open, both handle 13 was in an open position all the time.When spray gun works, because loine pressure is higher than 0.04MPa, current Pressure causes the motion compresses spring 4 to the left of glass bead 2, glass bead 2 to seal O-ring 14 to the left, and now current cannot pass through sluicing Device, drain valve is automatically switched off.When spray gun power cut-off, loine pressure is less than 0.02MPa, because the thrust of spring 4 is more than 0.02MPa, causes glass bead 2 to move right, and automatic drainage valve is opened, by the unnecessary water in spray gun and pipeline from the 3rd cavity The second cavity is flowed through, and is discharged from the outlet of the first cavity.Debris blocking water draw-off in prevent water, in glass bead 2 and valve Filter pad 1 is mounted between body 5.
To ensure that valve body 5 be connected good sealing with external part, being connected by with the pipe for sealing very well herein Screw thread.
Description orientation employed in herein word " on ", D score, "left", "right" etc. be for explanation facilitate base For orientation in the accompanying drawing shown in drawing, in actual device these orientation because of device disposing way and It is different.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate this utility model example, and It is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms, all of embodiment cannot be exhaustive here, It is every to belong to the obvious change or change still in of the present utility model that the technical solution of the utility model extends out The row of protection domain.

Claims (10)

1. a kind of automatic drainage valve, it is characterised in that:Including ball valve and water draw-off, the ball valve includes valve body (5), valve seat (12), spheroid (11) and valve rod (10), on the middle part cavity inner wall of the valve body (5) valve seat (12), the valve seat are fixed with (12) spheroid (11) is arranged between, spheroid (11) top is provided with groove, and the bottom of the valve rod (10) is provided with and groove The convex portion for matching;
The water draw-off includes glass bead (2), O-ring (14), joint (3) and spring (4), the joint (3) and valve body (5) It is spirally connected, is sequentially provided with the first cavity, the second cavity and the 3rd cavity in the joint (3) from left to right, first cavity, the The internal diameter of two cavitys and the 3rd cavity gradually increases, and first cavity and the second cavity junction are provided with the first round platform chamber, institute State the second cavity and the 3rd cavity junction is provided with the second round platform chamber, the right-hand member in the second round platform chamber is provided with O-ring (14), institute State and glass bead (2) is provided with the 3rd cavity, be provided with spring (4) in second cavity, the right-hand member of the spring (4) is through O-shaped Circle (14) is fixedly connected with glass bead (2), and the left end of spring (4) is fixedly connected with the left end inwall of the second cavity.
2. a kind of automatic drainage valve according to claim 1, it is characterised in that:The diameter of the glass bead (2) is less than the The internal diameter of three cavitys, the internal diameter with diameter greater than O-ring (14) of the glass bead (2).
3. a kind of automatic drainage valve according to claim 1, it is characterised in that:Between the glass bead (2) and valve body (5) It is provided with filter pad (1).
4. a kind of automatic drainage valve according to claim 1, it is characterised in that:The outside of the valve rod (10) is provided with filler (6)。
5. a kind of automatic drainage valve according to claim 4, it is characterised in that:Described filler is provided with filler at the top of (6) Gland (7).
6. a kind of automatic drainage valve according to claim 1, it is characterised in that:The top of the valve rod (10) passes through cap-shaped Nut (9) is fixed with handle (13).
7. a kind of automatic drainage valve according to claim 6, it is characterised in that:The acorn nut (9) and handle (13) Between be fixed with spring washer (8).
8. a kind of automatic drainage valve according to claim 1, it is characterised in that:The side in the first round platform chamber and axis There is angle °.
9. a kind of automatic drainage valve according to claim 1, it is characterised in that:The side in the second round platform chamber and axis Presence angle °.
10. a kind of automatic drainage valve according to claim 1, it is characterised in that:The thrust of the spring (4) is more than 0.02MPa。
CN201621215266.9U 2016-11-09 2016-11-09 Automatic water draining valve Active CN206130223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621215266.9U CN206130223U (en) 2016-11-09 2016-11-09 Automatic water draining valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621215266.9U CN206130223U (en) 2016-11-09 2016-11-09 Automatic water draining valve

Publications (1)

Publication Number Publication Date
CN206130223U true CN206130223U (en) 2017-04-26

Family

ID=58578561

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621215266.9U Active CN206130223U (en) 2016-11-09 2016-11-09 Automatic water draining valve

Country Status (1)

Country Link
CN (1) CN206130223U (en)

Similar Documents

Publication Publication Date Title
CN205423915U (en) Screw thread welded ball valve
CN208734973U (en) A kind of Water flow control valve door with filtering function
CN206130223U (en) Automatic water draining valve
CN204267843U (en) A kind of float valve
CN217030030U (en) Slag conveying pipeline valve capable of preventing inner leakage and outer leakage
CN108895166B (en) A kind of valve
CN205857297U (en) A kind of automatic water storage device
CN108869780B (en) Integral double-blocking double-row ball discharging valve
CN206830922U (en) A kind of spilling water safety valve
CN104295774B (en) Anti-backflow and anti-freeze stop valve
CN209385664U (en) A kind of etch-proof shut-off valve
CN207364318U (en) A kind of structure of high sealing liquid flow control ball valve easy to connection
CN208058030U (en) One kind is two-way to use machinery valve
CN212297664U (en) Large-traffic full latus rectum tap triangle valve
CN207470816U (en) Ball valve
CN206988192U (en) A kind of pump high-pressure overflow valve
CN209909540U (en) Medium-pressure water condensing cylinder
CN207316162U (en) Gate valve with anti-interference function
CN207702021U (en) A kind of Plunger Globe Valves
CN205424177U (en) Prevent check valve of leakage
CN214305480U (en) Self-sealing valve cover
CN107956889A (en) A kind of new soft sealing butterfly valve
CN204829292U (en) Automatic hydathode
CN206655990U (en) Threeway gas valve
CN216200577U (en) Sealed effectual control valve for water conservancy water and electricity

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant