CN207814527U - From return water water-saving valve - Google Patents

Abstract

The utility model is related to one kind from return water water-saving valve, including valve body, spool and valve rod, through equipped with water inlet on the side of valve body, water outlet and water return outlet, spool is set as sphere, spool is set in valve body and is matched with valve body, valve core cavity is hollow, the side of spool, which is run through, is equipped with the first hole, second hole and third hole, the bottom end of valve rod is connected with the top of spool, the top of valve rod passes through valve body and exposes the top of valve body, the top cooperation of valve rod is equipped with auxiliary rod, water inlet is communicated with the first hole, second hole is communicated with water outlet, third hole is located at side of the spool far from water return outlet, and water return outlet is closed；When valve rod drives valve core rotation, water outlet is communicated with third hole, and the second hole and water return outlet communicate, and water inlet is closed.Should be suitable for winter makes outdoor temperature zero degree from return water water-saving valve hereinafter, using when only need to open and close a valve, it is not only easy to use to save a backwater tap, and water resource waste can be effectively prevented.

Description

From return water water-saving valve

Technical field

The utility model is related to valve technology fields, and in particular to a kind of from return water water-saving valve.

Background technology

In the residential house of Beijing suburb, as shown in Figure 1, every be exposed at outdoor tap 13, it is common to use method be Lead to the place on ground in foggara, the pit-hole in one one meter of height is set as antifreeze well in underground, is set in antifreeze well There are one shut-off valves 11, are used for the switch of pipe water；It is additionally provided with a backwater tap 12, is used for return water.In use, closing back Tap 12, opens shut-off valve 11, and ground tap 13 is discharged.When the temperature in winter is less than subzero, when not having to water, need Shut-off valve 11 in antifreeze well is closed, backwater tap 12, shut-off valve 11 to the water in antifreeze well 13 pipe of outer tap are opened It is flowed out from backwater tap 12, in order to avoid the water pipe outside the antifreeze well of bursting by freezing and tap 13.

Due to being required for opening well lid with water and Guan Shui, ground also has 50 centimetres to one meter of height, people to need from valve Valve could be closed by climbing down, tangible pretty troublesome if winter, switch was multiple daily, encountered the elderly and climbed up and climb down also inconvenience, Water is just kept on all, and bursting by freezing water pipe and tap 13, just do not shut tap 13 in order to prevent, still make tap 13 not between Stop a thread weep, can flow several big basins within such one day, a winter gets off, and waste is huge.And it opens antifreeze Lid is implemented to close shut-off valve 11 and backwater tap 12, therefore needs two valves of closing also very inconvenient simultaneously.

Utility model content

The technical problem to be solved by the present invention is to overcome defect in the prior art, provide it is a kind of simple in structure, It is easily operated, save water resource from return water water-saving valve.

For this purpose, the technical solution used to be a kind of from return water water-saving valve, including valve body, spool and valve rod, the valve body Side on through water inlet, water outlet and water return outlet is equipped with, the spool is set as sphere, and the spool is set in the valve body And matched with the valve body, the valve core cavity is hollow, and the side of the spool is run through equipped with the first hole, the second hole and the Three holes, the bottom end of the valve rod are connected with the top of the spool, and the top of the valve rod passes through the valve body and exposes institute The top of valve body is stated, the top cooperation of the valve rod is equipped with auxiliary rod, and the water inlet is communicated with first hole, and described second Hole is communicated with the water outlet, and the third hole is located at side of the spool far from the water return outlet, and the water return outlet closes It closes；When the valve rod drives the valve core rotation, the water outlet is communicated with the third hole, second hole and the return water Mouth communicates, and the water inlet is closed.

Preferably, the spool shell is equipped with square groove, and one end of the valve rod is set as matching with the square groove It is rectangular.

Preferably, the valve rod is equipped with protrusion far from the rectangular other end, and the auxiliary rod is equipped with the first groove, institute The first groove is stated to cooperate with the protrusion.

Preferably, gasket is equipped at the water inlet, water outlet and water return outlet, the gasket is set as cyclic annular, described One end of gasket is fixedly connected with the inner wall of the valve body, the other end of inner wall of the gasket far from the valve body and institute It is in mating connection to state spool.

Preferably, the valve rod is equipped with sealing ring with the upper valve body place of matching.

Preferably, the top side of the valve rod is equipped with handle.

Preferably, the water inlet, water outlet and water return outlet are located in the same circular cross-section of the spool, and with it is described Square groove is perpendicular.

Preferably, the valve rod is equipped with the second groove, and the valve body is equipped with pillar, and the pillar exposes the valve body Inner wall, the pillar is slidably connected with second groove.

Preferably, second groove is equipped with several teeth, and the pillar is set as cavity, and the bottom end of the pillar is equipped with The other end of spring, bottom end of the spring far from the pillar is equipped with steel ball, and the top of the pillar is equipped with cover board, the steel Ball passes through the cover board and exposes the cover board, and the steel ball leans with the tooth.

Technical solutions of the utility model have the following advantages that：

1. it is provided by the utility model from return water water-saving valve, it is suitable for winter makes outdoor temperature zero degree hereinafter, when using only It needs to open and close a valve, it is not only easy to use to save a backwater tap, and can effectively prevent The sealing wasting of resources.

2. it is provided by the utility model from return water water-saving valve, the flow of water inlet can be adjusted, water has effectively been saved Resource, it is easy to use.

Description of the drawings

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, other drawings may also be obtained based on these drawings.

Fig. 1 is a kind of existing common valve arrangement schematic diagram

Fig. 2 is provided by the utility model from return water water-saving valve arrangement schematic diagram；

Fig. 3 is provided by the utility model from return water water-saving valve sectional view；

Fig. 4 is A-A sectional views shown in Fig. 3；

Fig. 5 is A-A sectional views shown in Fig. 3 (after spool rotates clockwise 90 degree)；

Fig. 6 is the design diagram of auxiliary rod；

Fig. 7 is B-B sectional views shown in Fig. 3；

Fig. 8 is vertical view shown in Fig. 3；

100- is from return water water-saving valve；11- shut-off valves；12- backwater taps；The ground 13- tap；14- water inlet pipes；15- Outlet pipe；16- return pipes；

21- valve bodies；22- spools；23- valve rods；24- is rectangular；25- protrusions；26- gaskets；27- sealing rings；28- handles； 29- auxiliary rods；The first grooves of 291-；The second grooves of 30-；31- teeth；32- pillars；33- springs；34- steel balls；35- cover boards；

211- water inlets；212- water outlets；213- water return outlets；

The first holes 221-；The second holes 222-；223- thirds hole；224- square grooves.

Specific implementation mode

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality Novel protected range.

One kind is from return water water-saving valve, as shown in Figure 3-Figure 5, including valve body 21, spool 22 and valve rod 23, the valve body 21 Side on through water inlet 211, water outlet 212 and water return outlet 213 is equipped with, the spool 22 is set as sphere, the spool 22 It is matched in the valve body 21 and with the valve body 21,22 inner cavity of the spool is hollow, and the side of the spool 22 is passed through The first hole 221, the second hole 222 and third hole 223, the bottom end of the valve rod 23 is equipped with the top of the spool 22 to be connected It connects, the top of the valve rod 23 passes through the valve body 21 and exposes the top of the valve body 21, the top cooperation of the valve rod 23 Equipped with auxiliary rod 29, the water inlet 211 is communicated with first hole 221, second hole 222 and 212 phase of the water outlet Logical, the third hole 223 is located at side of the spool 22 far from the water return outlet 213, and the water return outlet 213 is closed；Institute State valve rod 23 drive the spool 22 rotate when, the water outlet 212 is communicated with the third hole 223,222 He of the second hole The water return outlet 213 communicates, and the water inlet 211 is closed.

It is described to be installed on the water inlet pipe 14 in antifreeze well from return water water-saving valve, and the water inlet 211 and water inlet pipe 14 are directly connected to, and the water outlet 212 is directly connected to outlet pipe 15, and water return outlet 213 is directly connected to return pipe 16, it is described go out One end of water pipe 15 extends to outside the antifreeze well；The top of the auxiliary rod 29 extends to outside the antifreeze well.Valve body 21 exists Water inlet 211, water outlet 212 can be equipped with internal thread at water return outlet 213, be connect with water pipe with facilitating；As shown in Fig. 2, when using From return water water-saving valve 100 when, water inlet 211 is directly connected to water inlet pipe 14, and water outlet 212 is directly connected to outlet pipe 15, Water return outlet 213 is directly connected to return pipe 16, and when valve rod 23 is in original position, water inlet 211 is via the first hole 221, the second hole 222 are connected to water outlet 212, and water return outlet 213 is closed, and resident opens the just available water of ground tap 13 at this time, is assisted when using After bar 29 rotates clockwise valve rod 23, valve rod 23 is rotated with movable valve plug 22 at this time, and water outlet 212 is via third hole 223, the second hole 222 are connected to water return outlet 213, and water inlet 211 is closed, and are also completed while closing water in this way and discharge outlet pipe 15 by return pipe 16 In the water stored.Should from return water water-saving valve 100 be suitable for winter makes outdoor temperature zero degree hereinafter, using when only need beat on and off A valve is closed, it is not only easy to use to save a backwater tap, and water resource waste can be effectively prevented.

22 shell of the spool is equipped with square groove 224, and one end of the valve rod 23 is set as matching with the square groove 224 Rectangular 24 closed.Be conducive to rotation of the valve rod 23 with movable valve plug 22 in this way.

Gasket 26 is equipped at the water inlet 211, water outlet 212 and water return outlet 213, the gasket 26 is set as ring Shape, one end of the gasket 26 are fixedly connected with the inner wall of the valve body 21, and the gasket 26 is far from the valve body 21 The other end of inner wall and the spool 22 are in mating connection.Gasket 26 is fixedly connected with that glue can be used is viscous with the inner wall of valve body 21 It connects, preventing spool 22, often rotation can fall off, and spool 22 is sphere, the close patch of outer wall needs of gasket 26 and the spool 22 It closes, is leaked at anti-waterstop port.

The valve rod 23 is equipped with sealing ring 27 with 21 place of matching of the valve body.Sealing ring 27 can select O-ring, sealing The design of circle 27 can be effectively prevented the leakage of the water in valve body 21.

The top side of the valve rod 23 is equipped with handle 28.Key connection can be used with handle 28 in valve rod 23, handle 28 Design is conveniently operated valve rod 23.

First hole 221, the second hole 222 and third hole 223 are located in the same circular cross-section of the spool 22, and with The square groove 224 is vertical.Third hole 223 can be set as being mutually perpendicular to the first hole 221, the second hole 222, the first hole 221 and Two holes 222 can be set as through type, only need to horizontally rotate 90 degree of valve rod clockwise in this way, so that it may which realization is via water inlet 211, the One hole 221, the second hole 222 and the connection of water outlet 212 are switched to water outlet 212, third hole 223, the second hole 222 and water return outlet 213 connection.

As shown in figure 8, the valve rod 23 is equipped with protrusion 25, described raised 25 far from rectangular 24 other end is set as three It is angular；Or described raised 25 be set as linear type.As shown in fig. 6, the valve rod 23 is equipped with auxiliary rod 29, the auxiliary rod 29 are equipped with the first groove 291, and first groove 291 cooperates with described raised 25.Auxiliary rod 29 can be set as one one meter How long a diameter of 1 centimeter of iron rod device, open frost cover can implement on the ground close valve, greatly facilitate people in this way Use, need not climb up and climb down.

Usually when pressure of water network is high, tap is opened, the flowing water of outlet pipe can be rushed and suddenly, be provided to waste water very much Source.Therefore, applicant has also done following design for the problem in the application：

As shown in fig. 7, the valve rod 23 is equipped with the second groove 30, the valve body 21 is equipped with pillar 32, the pillar 32 expose the inner wall of the valve body 21, and the pillar 32 is slidably connected with second groove 30.Pillar 32 can be set as cylinder, Second groove 30 can be set as 90 degree of sector on valve rod 23 and between sealing ring 27 and handle 28, when rotation valve rod 23 When, pillar 32 is slidably connected with the second groove 30, therefore plays the role of horizontally-guided to the rotation of valve rod 23, it is ensured that valve The rotation of core 22 is also to horizontally rotate, while all playing the work of limit to rotating clockwise and rotating counterclockwise for valve rod 23 With preventing valve rod 23 that can be axially disengaging angle that spool 22 and valve rod 23 rotate excessive or too small the valve is caused to be not closed completely Situations such as occur.

Second groove 30 is equipped with several teeth 31, and the pillar 32 is set as cavity, and the bottom end of the pillar 32 is set There are spring 33, the other end of bottom end of the spring 33 far from the pillar 32 to be equipped with steel ball 34, the top of the pillar 32 is set There are cover board 35, the steel ball 34 to pass through the cover board 35 and expose the cover board 35, the steel ball 34 leans with the tooth 31. Cover board 35 sets the outer diameter that porose diameter is less than steel ball 34, and steel ball 34 is prevented to be detached from cover board 35；90 degree of second groove 30 are fan-shaped Periphery is equipped with several teeth 31, several teeth 31 being distributed corresponding sector when can be set as opening with the first hole 221 Circumference, in order to adjust the flow of water inlet；When rotation valve rod 23, when the vertex of tooth 31 is against steel ball 34, steel ball 34 is pressed Contracting spring 33, after the certain angle of rotation, the flow for mixing up water inlet, stop operating valve rod 23, the tension that spring 33 resets Steel ball 34 is sprung into the gap of two neighboring tooth 31,23 locking of valve rod is motionless at this time so that spool 22 is relatively motionless.Often rotate One tooth 31, then so that spool 22 also rotates certain angle, then certain opening face is opened in the first hole 221 with water inlet 211 Product when preventing from rotating counterclockwise valve rod 23, once goes to position, is not easy to adjust water inlet to play the flow for adjusting water inlet Flow cause the defect of water resource waste.

The operation principle and process from return water water-saving valve be：

When use is from return water water-saving valve 100, water inlet 211 is directly connected to water inlet pipe 14, water outlet 212 and water outlet Pipe 15 is directly connected to, and water return outlet 213 is directly connected to return pipe 16, when being opened from return water water-saving valve 100, water inlet 211 It is connected to water outlet 212 via the first hole 221, the second hole 222, water return outlet 213 is closed, and resident opens ground tap 13 at this time Just available water, after pulling handle 28 rotates clockwise 90 degree, valve rod 23 is rotated with movable valve plug 22 at this time, and water outlet 212 is via the Three holes 223, the second hole 222 are connected to water return outlet 213, and water inlet 211 is closed, and are also completed by return pipe while closing water in this way The water of 16 discharge 15 inner storages of outlet pipe；After pulling handle 28 rotates counterclockwise 90 degree again, valve rod 23 is with 22 turns of movable valve plug at this time Dynamic, water inlet 211 is connected to via the first hole 221, the second hole 222 with water outlet 212, and water return outlet 213 is closed.When rotating counterclockwise After 90 degree, then angle appropriate is rotated clockwise, adjusting angle, and then adjusted water inlet are played by stirring several teeth The effect of flow, with using water wisely.It should be suitable for winter makes outdoor temperature zero degree from return water water-saving valve 100 hereinafter, when using only It needs to open and close a valve, it is not only easy to use to save a backwater tap, and can effectively prevent The sealing wasting of resources.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or Among the protection domain that variation is created still in the utility model.

Claims (10)

1. a kind of from return water water-saving valve, which is characterized in that including：Valve body (21), spool (22) and valve rod (23), the valve body (21) through water inlet (211), water outlet (212) and water return outlet (213) is equipped on side, the spool (22) is set as ball Body, the spool (22) is set in the valve body (21) and is matched with the valve body (21), during spool (22) inner cavity is Sky, the side of the spool (22), which is run through, is equipped with the first hole (221), the second hole (222) and third hole (223), the valve rod (23) bottom end is connected with the top of the spool (22), and the top of the valve rod (23) passes through the valve body (21) and exposes The top of the valve body (21), the valve rod (23) top cooperation be equipped with auxiliary rod (29), the water inlet (211) with it is described First hole (221) communicates, and second hole (222) communicates with the water outlet (212), and the third hole (223) is located at described Side of the spool (22) far from the water return outlet (213), and the water return outlet (213) is closed；

When the valve rod (23) drives spool (22) rotation, the water outlet (212) communicates with the third hole (223), Second hole (222) and the water return outlet (213) communicate, and the water inlet (211) is closed.

2. according to claim 1 from return water water-saving valve, which is characterized in that it is described be installed on from return water water-saving valve it is anti- Freeze on the water inlet pipe (14) in well, and the water inlet (211) is directly connected to water inlet pipe (14), the water outlet (212) and Outlet pipe (15) is directly connected to, and water return outlet (213) is directly connected to return pipe (16), and one end of the outlet pipe (15) extends to institute It states outside antifreeze well；The top of the auxiliary rod (29) extends to outside the antifreeze well.

3. according to claim 1 from return water water-saving valve, which is characterized in that spool (22) shell is equipped with rectangular One end of slot (224), the valve rod (23) is set as matched rectangular (24) with the square groove (224).

4. according to claim 3 from return water water-saving valve, which is characterized in that the valve rod (23) is far from described rectangular (24) the other end is equipped with raised (25), and the auxiliary rod (29) is equipped with the first groove (291), first groove (291) with The protrusion (25) cooperates.

5. according to claim 1 from return water water-saving valve, which is characterized in that the water inlet (211), water outlet (212) and at water return outlet (213) it is equipped with gasket (26), the gasket (26) is set as cyclic annular, and the one of the gasket (26) End be fixedly connected with the inner wall of the valve body (21), the gasket (26) far from the valve body (21) inner wall the other end and The spool (22) is in mating connection.

6. according to claim 1 from return water water-saving valve, which is characterized in that the valve rod (23) and the valve body (21) It matches place and is equipped with sealing ring (27).

7. according to claim 1 from return water water-saving valve, which is characterized in that set on the top side of the valve rod (23) There is handle (28).

8. according to claim 3 from return water water-saving valve, which is characterized in that first hole (221), the second hole (222) it is located in the same circular cross-section of the spool with third hole (223), and vertical with the square groove (224).

9. according to claim 1 from return water water-saving valve, which is characterized in that the valve rod (23) is equipped with the second groove (30), the valve body (21) is equipped with pillar (32), and the pillar (32) exposes the inner wall of the valve body (21), the pillar (32) it is slidably connected with second groove (30).

10. according to claim 9 from return water water-saving valve, which is characterized in that second groove (30) is if be equipped with Dry tooth (31), the pillar (32) are set as cavity, and the bottom end of the pillar (32) is equipped with spring (33), and the spring (33) is remote The other end of bottom end from the pillar (32) is equipped with steel ball (34), and the top of the pillar (32) is equipped with cover board (35), described Steel ball (34) passes through the cover board (35) and exposes the cover board (35), and the steel ball (34) leans with the tooth (31).