CN212656337U

CN212656337U - Flushing valve of closestool without water tank

Info

Publication number: CN212656337U
Application number: CN202020920057.4U
Authority: CN
Inventors: 杨正港; 杨振初; 文永庆
Original assignee: Zhejiang Hezheng Intelligent Sanitary Ware Co ltd
Current assignee: Zhejiang Hezheng Intelligent Sanitary Ware Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-03-05
Anticipated expiration: 2030-05-27

Abstract

The utility model provides a no water tank flashing valve of closestool, includes into water body and valve body, the internal intake chamber who is equipped with the intercommunication valve body of inlet tube, the intake chamber is equipped with the water inlet, the intake chamber is equipped with prevents the adverse current controlling means, prevent that the adverse current controlling means includes the cylindric main part, installs the core and the first spring of preventing against current in the main part, the cylindric main part is connected respectively to first spring and the core of preventing against current, and when pressure in the intake chamber was less than the setting value, the core of preventing against current overcome first spring effort and moves down, the intake chamber intercommunication is external, and when pressure in the intake chamber was higher than the setting value, the core of preventing against current constitutes sealed cooperation with the cylindric main part, the isolated external world of intake chamber.

Description

Flushing valve of closestool without water tank

Technical Field

The utility model relates to a clean field, concretely relates to closestool no water tank flashing valve.

Background

Most of the existing intelligent toilets have no water tank, and directly realize the flushing function by a flushing valve without the water tank, for example, a flushing valve of a toilet without the water tank (patent No. 2013104747387) discloses a flushing valve which realizes the flushing function by controlling the opening and closing of a water channel by using an electromagnetic valve. However, in the toilet with the water tank, a certain water pressure exists in the water tank, water in a sewage discharge pipeline connected with the water tank cannot overcome the water pressure to generate reverse flow, a flushing valve without the water tank does not store water, the inside of the flushing valve is not limited by the water pressure, and water in the sewage discharge pipeline flows back to the flushing valve when flowing back. Moreover, the returned water carries a large amount of bacteria, which, if used in the private part cleaning function, can seriously damage the health of the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a no water tank flashing valve of closestool:

Preferably, the cylindric main part includes barrel and fixed mounting in the barrel snap ring portion, snap ring portion lower extreme is equipped with bellied annular flange, prevent against the current core including the barrel portion, be located the spacing ring on barrel portion upper portion and be located the piston ring of barrel portion lower part, the air vent that is equipped with in the middle of the barrel portion and the snap ring portion constitutes the clearance cooperation of sliding, spacing ring and snap ring portion upper end constitute spacing cooperation, the piston ring is located the barrel, the piston ring upper end is equipped with sealed the pad, sealed pad constitutes sealed cooperation with annular flange, first spring is located between snap ring portion and the sealed pad. Above-mentioned technical characteristic is showing and has improved the technological effect that this application prevents adverse current, has sealed the pad moreover and has good buffering effect, can show improvement life and leakproofness.

Preferably, an inner cylinder portion protruding upwards is arranged in the middle of the clamping ring portion, an accommodating groove used for accommodating the first spring is formed in the lower end of the inner cylinder portion, the upper end of the inner cylinder portion is in limit fit with the limiting ring, and the inner cylinder portion is in sliding fit with the cylinder portion. When the required annular flange between snap ring portion to sealed the pad is too long, lead to easily damaging of annular flange easily, also influence the gas tightness between annular flange and the sealed pad easily, and the setting of inner tube portion can further reduce the size of annular flange in this application, has effectively improved life and gas tightness.

Preferably, the indoor cover of intake chamber has the cylindricality filter screen, lower extreme surface and intake chamber sealing connection on the cylindricality filter screen, the circulation passageway that is equipped with in the middle of the water inlet intercommunication cylindricality filter screen, the valve body is equipped with radial scavenge pipe, the scavenge pipe communicates the clearance passageway that is equipped with between intake chamber and the cylindricality filter screen, the clearance passageway communicates intake chamber, the purger that the scavenge pipe intercommunication was equipped with, the purger is used for clearing up human private position, when the closestool bath, rivers flow along water inlet, intake chamber, valve body in proper order, when the purger starts, rivers flow along water inlet, intake chamber, cylindricality filter screen, scavenge pipe in proper order.

Preferably, the valve body includes shell body, solenoid, sealing device, second spring, be equipped with first cavity, second cavity, third cavity, guide channel in the shell body, first cavity intercommunication water inlet cavity, the inlet opening intercommunication second cavity that first cavity was equipped with through sealing device, the second cavity is through the pressure release mouth intercommunication guide channel that is equipped with, the cooperation is leaned on in pressure release mouth and solenoid constitutes the top, solenoid is used for controlling opening and close of pressure release mouth, guide channel intercommunication third cavity, it is isolated each other through sealing device between third cavity and the second cavity, sealing device includes ripple sealing washer support and installs the ripple sealing washer on ripple sealing washer support, the second spring is connected second cavity upper wall and sealing device back respectively.

Preferably, the corrugated sealing ring support is provided with a water inlet hole used for communicating the first cavity and the second cavity, the water inlet hole is provided with a guide column, one end of the guide column is fixedly connected with the outer shell, and the guide column and the water inlet hole form clearance fit.

The utility model discloses following beneficial effect has: for the anti-reflux device among the prior art, the anti-reflux device of this application can not cause the influence to the rivers that the water inlet got into under the normality, need not impact the end cap of response earlier and carry out corresponding flow again, and when the flashing valve will suck against, the pressure in the intake chamber is less than the pressure in the valve body, causes the negative pressure of intake chamber, intake chamber will produce corresponding suction to the anti-reflux core this moment, the intercommunication intake chamber with external world to make the pressure of intake chamber rise, avoid causing the suck-back phenomenon. The anti-reflux device also has the advantages of simple structure, small size and convenience in installation and design.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic front view of the embodiment.

Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 3.

FIG. 5 is a schematic side view of an embodiment.

Fig. 6 is a schematic sectional view of the embodiment in a closed state of the toilet bowl.

FIG. 7 is a schematic sectional view of the embodiment in a flush state of the toilet.

1. A water inlet pipe body; 2. a valve body; 3. a water inlet chamber; 4. a water inlet; 5. an anti-reflux core; 6. a first spring; 7. a barrel; 8. a collar portion; 9. an annular flange; 10. a cylindrical portion; 11. a limiting ring; 12. a piston ring; 13. a gasket; 14. an inner cylinder part; 15. an accommodating recess; 16. a cylindrical filter screen; 17. cleaning the tube; 18. an outer housing; 19. an electromagnetic spool; 20. a sealing device; 21. a second spring; 22. a first chamber; 23. a second chamber; 24. a third chamber; 25. a guide channel; 26. a corrugated sealing ring support; 27. a corrugated sealing ring.

Detailed Description

The invention will be further described with reference to the following examples and figures 1-7.

The utility model provides a closestool does not have water tank flashing valve, includes into water body 1 and installs respectively in two valve bodies 2 of intaking 1 both sides of water body. The water inlet pipe body 1 is internally provided with a water inlet chamber 3 communicated with the valve body 2, and the water inlet chamber 3 is provided with a water inlet 4. The water inlet chamber 3 is provided with an anti-backflow control device. The anti-reflux control device comprises a cylindrical main body, an anti-reflux core 5 and a first spring 6, wherein the anti-reflux core 5 and the first spring 6 are arranged in the main body, and the first spring 6 is respectively connected with the cylindrical main body and the anti-reflux core 5. When the pressure in the water inlet chamber 3 is lower than a set value, the anti-backflow core 5 overcomes the acting force of the first spring 6 to move downwards, the water inlet chamber 3 is communicated with the outside, when the pressure in the water inlet chamber 3 is higher than the set value, the anti-backflow core 5 and the cylindrical main body form sealing fit, and the water inlet chamber 3 is isolated from the outside. The above-mentioned set value can be set differently by the elastic force of the first spring 6 according to the actual condition of the toilet installation. The utility model provides a device against current can not cause the influence to the rivers that water inlet 4 got into under the normality, and when the flashing valve will suck against, the pressure in the intake chamber 3 is less than the pressure in the valve body 2, causes the negative pressure of intake chamber 3, and intake chamber 3 will produce corresponding suction to preventing against current core 5 this moment, communicates intake chamber 3 and external world to make the pressure of intake chamber 3 rise, avoid causing the phenomenon of suck against the current.

The cylindric main part includes barrel 7 and fixed mounting in the ring portion 8 of the card of barrel 7, ring portion 8 lower extreme is equipped with bellied annular flange 9. The anti-reflux core 5 comprises a cylindrical part 10, a limit ring 11 positioned on the upper part of the cylindrical part 10 and a piston ring 12 positioned on the lower part of the cylindrical part 10. The air vent that is equipped with in the middle of barrel portion 10 and snap ring portion 8 constitutes clearance sliding fit, spacing ring 11 constitutes spacing cooperation with snap ring portion 8 upper end, piston ring 12 is located barrel 7, piston ring 12 upper end is equipped with sealed the pad 13, sealed pad 13 constitutes sealed cooperation with annular flange 9, first spring 6 is located between snap ring portion 8 and sealed pad 13. The technical characteristics obviously improve the technical effect of the anti-reflux device, and the sealing gasket 13 has a good buffering effect, so that the service life and the sealing property can be obviously improved. An inner cylinder part 14 protruding upwards is arranged in the middle of the clamping ring part 8, an accommodating groove 15 used for accommodating the first spring 6 is arranged at the lower end of the inner cylinder part 14, the upper end of the inner cylinder part 14 and the limiting ring 11 form limiting fit, and the inner cylinder part 14 and the column part 10 form sliding fit. When the required annular flange 9 between the clamping ring part 8 and the sealing gasket 13 is too long, the annular flange 9 is easily damaged, and the air tightness between the annular flange 9 and the sealing gasket 13 is also easily influenced, and the size of the annular flange 9 can be further reduced by the arrangement of the inner cylinder part 14 in the application, so that the service life and the air tightness are effectively improved.

3 endotheca of intake chamber has cylindricality filter screen 16, the lower extreme surface and 3 sealing connection of intake chamber about the cylindricality filter screen 16, the circulation passageway that is equipped with in the middle of the 4 intercommunication cylindricality filter screens of water inlet, valve body 2 is equipped with radial scavenge pipe 17, the clearance passageway that is equipped with between scavenge pipe 17 intercommunication intake chamber 3 and the cylindricality filter screen 16, clearance passageway intercommunication intake chamber 3, the purger that the scavenge pipe 17 intercommunication was equipped with, the purger is used for clearing up human private position, when the closestool bath, rivers flow along water inlet 4, intake chamber 3, valve body 2 in proper order, when the purger starts, rivers flow along water inlet 4, intake chamber 3, cylindricality filter screen 16, scavenge pipe 17 in proper order. This application directly adopts bipartition intubate to connect, and the structure is better convenient.

The valve body 2 comprises an outer shell 18, a solenoid valve core 19, a sealing device 20 and a second spring 21, a first chamber 22, a second chamber 23, a third chamber 24 and a guide channel 25 are arranged in the outer shell 18, the first chamber 22 is communicated with the water inlet chamber 3, the first chamber 22 is communicated with the second chamber 23 through a water inlet hole arranged on the sealing device 20, the second chamber 23 is communicated with the guide channel 25 through a pressure relief port, the pressure relief port and the solenoid valve core 19 form abutting fit, the solenoid valve core 19 is used for controlling the opening and closing of a pressure relief opening, the guide channel 25 is communicated with the third chamber 24, the third chamber 24 and the second chamber 23 are isolated from each other by a sealing device 20, the sealing device 20 comprises a corrugated sealing ring 27 bracket 26 and a corrugated sealing ring 27 arranged on the corrugated sealing ring 27 bracket 26, the second spring 21 connects the upper wall of the second chamber 23 and the back of the sealing device 20, respectively. The support 26 of the corrugated sealing ring 27 is provided with a water inlet hole for communicating the first cavity 22 with the second cavity 23, the water inlet hole is provided with a guide column of which one end is fixedly connected with the outer shell 18, and the guide column and the water inlet hole form clearance fit, so that the support 26 of the corrugated sealing ring 27 moves up and down along the guide column, and the deviation is avoided.

The working principle is as follows:

the closed state of the closestool: as shown in FIG. 7, water enters from the water inlet 4, sequentially passes through the water inlet chamber 3, the first chamber 22 and then enters the second chamber 23 through the water inlet hole of the support 26 of the corrugated sealing ring 27, at this time, the pressure relief port is sealed by the solenoid valve core 19, the support 26 of the corrugated sealing ring 27 is under the action of water pressure, and the water outlet of the flush valve body 2 is sealed by the corrugated sealing ring 27.

When the washer is turned on, water flows through the cylindrical filter screen 16 and the washing pipe 17 in this order as shown in fig. 3 to reach the washer, and is ejected from the washer. When the washing machine is in use, water flows through the cylindrical filter 16 for cleaning, and when the toilet is in a flushing state, stains attached to the cylindrical filter 16 can be washed together, so that the cylindrical filter 16 is in a no-clean state.

The flushing state of the toilet: as shown in figure 6, water enters from the water inlet 4, passes through the filter screen and then enters from the support 26 of the corrugated sealing ring 27, the electromagnetic valve core 19 is in an open state, water flows out from the pressure relief port and flows to the water outlet of the flush valve body 2, the support 26 of the corrugated sealing ring 27 is opened by water pressure, and the water is flushed out from the water outlet.

Air destruction and backflow prevention: when the water inlet chamber 3 is in a negative pressure state, the anti-backflow core 5 can fall down to cause air to enter, and at the moment, the water in the toilet bowl cannot be sucked.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a no water tank flashing valve of closestool, includes into water pipe body (1) and valve body (2), its characterized in that: the water inlet pipe body (1) is internally provided with a water inlet chamber (3) communicated with the valve body (2), the water inlet chamber (3) is provided with a water inlet (4), the water inlet chamber (3) is provided with an anti-backflow control device, the anti-backflow control device comprises a cylindrical main body, an anti-backflow core (5) and a first spring (6), the anti-backflow core (5) and the first spring (6) are installed in the main body, the first spring (6) is respectively connected with the cylindrical main body and the anti-backflow core (5), when the pressure in the water inlet chamber (3) is lower than a set value, the anti-backflow core (5) overcomes the acting force of the first spring (6) to move downwards, the water inlet chamber (3) is communicated with the outside, when the pressure in the water inlet chamber (3) is higher than the set value, the anti-backflow core (5) and the cylindrical main body form sealing.

2. A toilet cistern-less flush valve as claimed in claim 1, wherein: the barrel-shaped main part includes barrel (7) and fixed mounting in the clamping ring portion (8) of barrel (7), clamping ring portion (8) lower extreme is equipped with bellied annular flange (9), prevent against current core (5) including barrel (10), be located spacing ring (11) on barrel (10) upper portion and be located piston ring (12) of barrel (10) lower part, the air vent that is equipped with in the middle of barrel (10) and clamping ring portion (8) constitutes clearance sliding fit, spacing ring (11) and clamping ring portion (8) upper end constitute spacing cooperation, piston ring (12) are located barrel (7), piston ring (12) upper end is equipped with sealed the pad (13), sealed pad (13) constitute sealed cooperation with annular flange (9), first spring (6) are located between clamping ring portion (8) and sealed pad (13).

3. A toilet cistern-less flush valve as claimed in claim 2, wherein: the middle of the clamping ring part (8) is provided with an inner cylinder part (14) protruding upwards, the lower end of the inner cylinder part (14) is provided with an accommodating groove (15) used for accommodating the first spring (6), the upper end of the inner cylinder part (14) and the limiting ring (11) form limiting fit, and the inner cylinder part (14) and the cylinder part (10) form sliding fit.

4. A toilet cistern-less flush valve as claimed in claim 1, wherein: a cylindrical filter screen (16) is sleeved in the water inlet chamber (3), the outer surfaces of the upper end and the lower end of the cylindrical filter screen (16) are hermetically connected with the water inlet chamber (3), the water inlet (4) is communicated with a circulation channel arranged in the middle of the cylindrical filter screen (16), the valve body (2) is provided with a radial cleaning pipe (17), the cleaning pipe (17) is communicated with a clearance channel arranged between the water inlet chamber (3) and the cylindrical filter screen (16), the clearance channel is communicated with the water inlet chamber (3), the cleaning pipe (17) is communicated with a cleaner which is used for cleaning the private parts of human bodies, when the closestool is flushed, water flows along the water inlet (4), the water inlet chamber (3) and the valve body (2) in sequence, when the cleaner is started, water flows along the water inlet (4), the water inlet chamber (3), the cylindrical filter screen (16) and the cleaning pipe (17) in sequence.

5. A toilet cistern-less flush valve as claimed in claim 1, wherein: the valve body (2) comprises an outer shell (18), an electromagnetic valve core (19), a sealing device (20) and a second spring (21), wherein a first cavity (22), a second cavity (23), a third cavity (24) and a guide channel (25) are arranged in the outer shell (18), the first cavity (22) is communicated with the water inlet cavity (3), the first cavity (22) is communicated with the second cavity (23) through a water inlet hole formed in the sealing device (20), the second cavity (23) is communicated with the guide channel (25) through a pressure relief opening formed in the second cavity, the pressure relief opening and the electromagnetic valve core (19) form a top-leaning fit, the electromagnetic valve core (19) is used for controlling the opening and closing of the pressure relief opening, the guide channel (25) is communicated with the third cavity (24), the third cavity (24) and the second cavity (23) are mutually isolated through the sealing device (20), and the sealing device (20) comprises a corrugated sealing ring (27) support (26) and a corrugated sealing ring (26) 27) A corrugated sealing ring (27) on the bracket (26), and the second spring (21) is respectively connected with the upper wall of the second chamber (23) and the back of the sealing device (20).

6. A toilet cistern-less flush valve as claimed in claim 5, wherein: the support (26) of the corrugated sealing ring (27) is provided with a water inlet hole used for communicating the first cavity (22) and the second cavity (23), the water inlet hole is provided with a guide column, one end of the guide column is fixedly connected with the outer shell (18), and the guide column and the water inlet hole form clearance fit.