CN201621343U

CN201621343U - Automatic drain valve

Info

Publication number: CN201621343U
Application number: CN2009202475921U
Authority: CN
Inventors: 马克峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-28
Filing date: 2009-10-28
Publication date: 2010-11-03
Anticipated expiration: 2019-10-28

Abstract

The utility model relates to an automatic drain valve which comprises a valve body and a control mechanism. The valve body is connected with a valve housing by a valve seat thread, a push-pull rod passes through a side hole of the valve housing, the through hole of an inclined water retaining wall and an inner water port; and a rubber plug is sleeved on the left end of the push-pull rod. The control mechanism comprises a floating ball, a floating ball rod and a rod lug; the rod lug is a lever-type rod lug with a bending angle and passes through a concave clip arranged on one end of the push-pull rod; the upper end of the rod lug is arranged at the upper part of both side plates on the right end of the valve housing through screws; the rod lug can rotate around the screws; the lower end of the rod lug is connected with the floating ball rod by the thread; and the other end of the floating ball rod is connected with the nut fixedly welded on the floating ball by the thread to form the automatic drain valve. The rubber plug for turning on and off the water flow is arranged on the front end of the inner water port; the water pressure and water flow in a water pipeline plus the up and down shifting of the floating ball with the water surface pull and push the rubber plug by cooperation through leverage so as to open and close the rubber plug; and therefore, the automatic drain valve has the advantages of reasonable design, compact and simple structure, convenient manufacturing, and stable and reliable performance.

Description

Automatic drain valve

Technical field

The utility model relates to valve, particularly is related to the drain valve of the recloser that has ball float of user's design and installation of not round-the-clock water supply.

Background technique

The residents from villages and towns in vast rural area mostly is the water supply of drinking the deep-well station, and timesharing every day subregion supplies water to resident families and drinks, and does its objective is using electricity wisely and water like this, reduces unnecessary water resource waste.This way of supplying water has very big disadvantage, if when in the man of resident family temporary transient nobody the time, the tap of not fetching boiling water discharges water, there is the situation generation that does not receive water in regular meeting.If water supply front opening water tap performs water receiving and prepares, yet that water vat fills behind the water in the family is unmanned or forget throttle down, and water can overflow outside the cylinder, is not only water resource waste, or produces serious problems.In addition, many because of the pipeline shunting away from the resident family of water supply station, the water output deficiency with the water that just can pile for a long time in the cylinder, makes troubles for wide geographic area resident family.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of interior water of water vat that can make and fills the back automatic-closing valve, the automatic Open valve water receiving of energy after the use of water resident family has been lacked in the water vat, automatic drain valve simple in structure, easy for installation.

The technological scheme that adopts is:

Automatic drain valve comprises valve body and control mechanism.Described valve body comprises valve seat, valve pocket, pull bar, stifled, the block water plate of glue, valve seat is provided with the handle card, handle card left side is provided with the screw thread, the handle card right side that are screwed on the running water pipe and is provided with the screw thread that is screwed into as valve pocket, be provided with in the valve seat for the stifled inner nozzle of opening or closing of glue, the side, inner nozzle is provided with the oblique mouth of a river, and tiltedly the mouth of a river one side is oblique waterwall.Described valve pocket one end is provided with the valve pocket side opening, is provided with water outlet below the valve pocket, and valve pocket is screwed on the screw thread on handle card right side of valve seat, and the water outlet on the valve pocket is communicated with the oblique mouth of a river on the valve seat.The perforation of described inner nozzle, oblique waterwall and valve pocket side opening are on same axis, pull bar is installed in the perforation and inner nozzle of valve pocket side opening, oblique waterwall successively, glue is stifled to be sleeved on the set groove of pull bar left end, and block water plate is sleeved on the pull bar that is positioned at oblique waterwall right side.Described control mechanism comprises ball float, nut, ball lever and bar ear.The bar ear is the Lever type bar ear that has bend angle, the bar ear passes the set recessed card of pull bar one end, bar ear upper end is contained in the set biside plate top of valve pocket right-hand member by screw, the bar ear can be around screw turns, bar ear lower end is threaded with ball lever, and the nut thread of solid welding is connected on the ball lever the other end and the ball float.

Above-mentioned pull bar left end head is made as taper.

Above-mentioned valve seat inlet channel place is provided with filter screen.

Be provided with guiding groove in the water outlet below the above-mentioned valve pocket.

Above-mentioned bar ear bend angle is that 90 degree are to 110 degree.

Unlatching of the present utility model, close the stifled inner nozzle front end that is located at of glue of current, hydraulic pressure in waterpipe, current, ball float moves up and down by leverage with the water surface in addition, drawing, push away the stifled resultant force that shows altogether of glue makes stifled generation of glue close, open, therefore control mechanism volume such as ball float is little, in light weight, saves that the cost of material is low, gives water switch easy, need not personnel wait for and discharge water, can solve the puzzlement of water station water supply time restriction.This drain valve has reasonable in design, compact structure, tightly simple, easy to make, stable and reliable for performance, the advantage that resident family of suitable vast farmers' uses.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is that the M of Fig. 1 is to view.

Fig. 4 is a working principle schematic representation of the present utility model.

Embodiment

Automatic drain valve comprises valve body and control mechanism.Described valve body comprises stifled 4, the block water plate 7 of valve seat 1, valve pocket 5, pull bar 6, glue, valve seat 1 is provided with handle card 3, handle card 3 left sides are provided with the screw thread that is screwed on the running water pipe, handle card 3 right sides are provided with the screw thread that is screwed into as valve pocket 5, be provided with the inner nozzle 17 of opening or closing in the valve seat 1 for glue stifled 4,17 sides, inner nozzle are provided with the oblique mouth of a river 16, and tiltedly the mouth of a river 16 1 sides are oblique waterwall 15.Described valve pocket 5 one ends are provided with valve pocket side opening 8, are provided with water outlet 13 below the valve pocket 5, and valve pocket 5 is screwed on the screw thread on handle card 3 right sides of valve seat 1, and the water outlet 13 on the valve pocket 5 is communicated with the oblique mouth of a river 16 on the valve seat 1.The perforation of described inner nozzle 17, oblique waterwall 15 and valve pocket side opening 8 are on same axis, pull bar 6 is installed in the perforation and inner nozzle 17 of valve pocket side opening 8, oblique waterwall 15 successively, tiltedly the perforation of waterwall 15 is identical with the aperture of valve pocket side opening 8, inner nozzle 17 is greater than the perforation and the valve pocket side opening 8 of oblique waterwall 15, block up 4 less than 6 gluings of the pull bar in the valve, glue blocks up 4 inlet channels less than the behaviour area.The inlet channel place is provided with filter screen 2, is provided with guiding groove 14 in the water outlet 13 below the valve pocket 5, and pull bar 6 left end heads are made as taper 18, for reducing the resistance of water.Glue stifled 4 is sleeved on the set groove of pull bar 6 left ends, makes cover more firm in the above, and pull bar 6 the other ends are provided with recessed card 10.Described control mechanism comprises ball float 12, nut 19, ball lever 11 and bar ear 9.Bar ear 9 is for having the Lever type bar ear of bend angle 110 degree, bar ear 9 passes the set recessed card 10 of pull bar 6 one ends, bar ear 9 upper ends are contained in set biside plate 20 tops of valve pocket 6 right-hand members by screw, bar ear 9 can be around screw turns, bar ear 9 lower ends are threaded with ball lever 11, and the nut 19 of solid welding is threaded on ball lever 11 the other ends and the ball float 12.Valve seat 1 is with after valve pocket 5 is connected, the inner chamber of its formation is divided into hyperbaric chamber and underpressure chamber, on the pull bar 6 of underpressure chamber block water plate 7 is housed, prevent that the slit is gone out between bar on the oblique waterwall 15 in hyperbaric chamber and the hole water retaining is in the underpressure chamber, flow out by water outlet 13, guiding groove 14, tiltedly the pull bar perforation is played the glue stifled 4 that makes on the bar and is steadily opened, closes operation on the waterwall 15.

Working principle:

As shown in Figure 4, valve body is close to the water vat upper edge, level is screwed on the intake pipe, when the water vat lack of water, the position of ball float 12 is in the minimum point of valve, ball float 12 produce leverages from gravity by ball lever 11, bar ear 9, the power of closing that the top power that 9 pairs of pull bars of bar ear 6 produce produces glue stifled 4 greater than water pressure in the inlet channel and current; Water station different number of times every day supply water, after stopping, there are not current in the intake pipe, hydraulic pressure, glue stifled 4 is not produced the power of closing, when this moment, ball float 12 descended with the water surface, glue stifled 4 is opened, valve is in the state that backs down pull bar 6 gluings stifled 4, and water just can enter valve body from water supply line, and water is discharged through water outlet 13 and flow in the water vat, ball float 12 floats with the rising of the water surface, outwards spur pull bar 6 by bar ear 9, glue stifled 4 is produced close power, the hydraulic pressure in the intake pipe in addition, current are to the glue stifled 4 common thrusts that produce, final current blocking-up is closed, and stops to supply water.This moment, the water surface was no more than the water vat upper edge, because bar ear 9 bend angle that ball lever is threaded are greater than 90 degree, between 100 degree are spent to 120.When resident family after water intaking is used in the cylinder at every turn, ball float 12 reduces with the water surface again and descends, and ball float 12 makes bar ear 9 back down glue stifled 4 on the pull bar again, make glue stifled 4 leave inner nozzle 17, water can pass through, and ball float rises with the water surface again, the so automatic open and close of drain valve, the work that goes round and begins again.

Claims

1. automatic drain valve, comprise valve body and control mechanism, it is characterized in that described valve body comprises valve seat (1), valve pocket (5), pull bar (6), glue stifled (4), block water plate (7), valve seat (1) is provided with handle card (3), handle card (3) left side is provided with the screw thread that is screwed on the running water pipe, handle card (3) right side is provided with the screw thread that is screwed into as valve pocket (5), be provided with the inner nozzle (17) of opening or closing for glue stifled (4) in the valve seat (1), the other oblique mouth of a river (16) that is provided with, inner nozzle (17), tiltedly the mouth of a river (16) one sides are oblique waterwall (15); Described valve pocket (5) one ends are provided with valve pocket side opening (8), be provided with water outlet (13) below the valve pocket (5), valve pocket (5) is screwed on the screw thread on handle card (3) right side of valve seat (1), and the water outlet (13) on the valve pocket (5) is communicated with the oblique mouth of a river (16) on the valve seat (1); The perforation of described inner nozzle (17), oblique waterwall (15) and valve pocket side opening (8) are on same axis, pull bar (6) is installed in the perforation and inner nozzle (17) of valve pocket side opening (8), oblique waterwall (15) successively, glue stifled (4) is sleeved on the set groove of pull bar (6) left end, and block water plate (7) is sleeved on the pull bar (6) that is positioned at oblique waterwall (15) right side; Described control mechanism comprises ball float (12), nut (19), ball lever (11) and bar ear (9); Bar ear (9) is for having the Lever type bar ear of bend angle, bar ear (9) passes the set recessed card (10) of pull bar (6) one ends, bar ear (9) upper end is contained in set biside plate (20) top of valve pocket (5) right-hand member by screw, bar ear (9) can be around screw turns, bar ear (9) lower end is threaded with ball lever (11), and the nut (19) that ball lever (11) the other end and ball float (12) are gone up solid welding is threaded.

2. automatic drain valve according to claim 1 is characterized in that described pull bar (6) left end head is made as taper (18).

3. automatic drain valve according to claim 1 is characterized in that described valve seat (1) inlet channel place is provided with filter screen (2).

4. automatic drain valve according to claim 1 is characterized in that being provided with guiding groove (14) in the following water outlet (13) of described valve pocket (5).

5. automatic drain valve according to claim 1 is characterized in that described bar ear (9) bend angle is that 90 degree are to 110 degree.