CN213629045U

CN213629045U - Vacuum breaker integrated pressure reducing water inlet valve

Info

Publication number: CN213629045U
Application number: CN202022479891.7U
Authority: CN
Inventors: 杨迎龙
Original assignee: Zhejiang Boyit Electrical Technology Co ltd
Current assignee: Zhejiang Boyit Electrical Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-07-06
Anticipated expiration: 2030-10-30

Abstract

The utility model provides a vacuum breaker one-piece type decompression water intaking valve, water inlet and delivery port including valve body and valve body both sides, be equipped with the intercommunication in the valve body the waterway of water inlet and delivery port, waterway is close to the one end of delivery port and is equipped with the decompression mechanism, the valve body is equipped with anti-siphon mechanism between water inlet and decompression mechanism. The utility model provides an integral type decompression water intaking valve of vacuum breaker can enough reduce pipeline pressure, keeps export water pressure stable, has the non-return function of anti-siphon again, is applicable to the intelligent closestool field, can simplify intelligent closestool's inner structure and assembly flow, improves space utilization.

Description

Vacuum breaker integrated pressure reducing water inlet valve

Technical Field

The utility model relates to a valve equipment field, concretely relates to vacuum breaker one-piece type decompression water intaking valve.

Background

A pressure reducing valve is a valve device for automatically reducing the working pressure of a pipeline, and generally, the opening degree of a shutter in a valve body is controlled to adjust the flow rate and pressure of a medium, so as to reduce the pressure in a pipeline before a higher valve to a level required by a pipeline after the valve, and meanwhile, the opening degree of the shutter is adjusted by the action of the pressure after the valve, so that the outlet pressure is automatically kept stable.

Therefore, the pressure reducing valve is widely applied to various water supply systems, such as an intelligent toilet: the intelligent closestool in the current market gets rid of a heavy water tank and is directly supplied to a flushing system through a tap water pipeline, so that the risk of water body pollution caused by bacterial breeding in the water tank is avoided, and the water quality is ensured. But the water pressure of the tap water is not stable enough, and especially when the water pressure is too high, the inner pipe body or other parts of the intelligent closestool are easily damaged, so that potential safety hazards are brought, therefore, the existing intelligent toilet usually has a pressure reducing valve at the water inlet end to obtain stable water pressure, however, the pressure reducing water inlet valve in the existing intelligent closestool does not have the anti-siphon function, when the intelligent closestool is in water cut off or other faults, vacuum can be generated in the pipe body, water in the closestool is reversely siphoned into the water inlet pipe through the water outlet, namely the phenomenon of sewage back suction, which is easy to cause water pollution and seriously affects the use experience and the normal work of products, therefore, the anti-siphon device such as the vacuum breaker is required to be independently added in the waterway of the intelligent closestool, this has not only increased intelligent closestool's the assembly degree of difficulty, has still reduced intelligent closestool's space utilization, has hindered the development trend that intelligent closestool structure is succinct.

Therefore, it is an urgent need in the art to provide a vacuum breaker integrated pressure reducing inlet valve that can reduce the pressure in the pipe, maintain the outlet water pressure stable, and provide an anti-siphon function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vacuum breaker one-piece type decompression water intaking valve is provided can enough reduce pipeline pressure, keeps export water pressure stable, can satisfy the required anti-siphon performance requirement of intelligent closestool again, simplifies intelligent closestool's structure and assembly flow, improves space utilization.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the vacuum breaker integrated pressure-reducing water inlet valve comprises a valve body and a water inlet and a water outlet which are arranged on two sides of the valve body, wherein a waterway channel communicated with the water inlet and the water outlet is arranged in the valve body, a pressure-reducing mechanism is arranged at one end, close to the water outlet, of the waterway channel, and an anti-siphon mechanism is arranged between the water inlet and the pressure-reducing mechanism of the valve body.

Preferably, the anti-siphon mechanism is including setting up the siphon core subassembly in the through-flow chamber and the through-flow intracavity in the valve body, the through-flow chamber be equipped with the water inlet end of water inlet intercommunication, with the play water end of delivery port intercommunication and the inlet end of communicating with the atmosphere, the inlet end is equipped with and is used for control the water intaking valve assembly of inlet end switching, be equipped with siphon core subassembly in the through-flow intracavity, and when rivers pass through when the inlet end gets into the through-flow intracavity, siphon core subassembly is closed the inlet end, works as when the through-flow intracavity forms the negative pressure, siphon core subassembly opens under the atmospheric pressure effect the inlet end.

Preferably, the siphon core assembly comprises a siphon core and a spring, the siphon core comprises a head and a mandrel, the spring is sleeved outside the mandrel, one end of the spring abuts against the head, the siphon core is driven to move towards the air inlet end, and the air inlet end is closed.

Preferably, the siphon core assembly further comprises a sealing gasket, one side of the head part, which is close to the air inlet end, is provided with a connecting part, and the sealing gasket is sleeved outside the connecting part and is abutted against the inner wall of the through-flow cavity where the air inlet end is located; and a convex part is arranged on one side of the head part close to the air inlet end, and the convex part has a limiting effect on the sealing pad.

Preferably, the end surface of the convex part close to the air inlet end is provided with a guide inclined surface.

Preferably, siphon core subassembly is including connecting the valve gap on the valve body, form between valve body and the valve gap the through-flow chamber, be equipped with the air vent on the valve gap, the siphon core is relative the valve gap displacement has the first position of plugging up the air vent and opens the second position of air vent.

Preferably, an O-shaped sealing ring is arranged at the joint of the valve cover and the valve body.

Preferably, the water inlet valve assembly comprises a water inlet valve seat and a water inlet valve core which are connected with the inner wall of the valve body, and the water inlet valve core does longitudinal reciprocating motion relative to the valve body and is matched with the water inlet valve seat to realize the opening and closing of the water inlet valve assembly; the water inlet valve seat is provided with a cylindrical part extending towards the air inlet end, the core shaft is inserted into the cylindrical part and is matched with the inner cavity of the cylindrical part, the spring is sleeved outside the cylindrical part, two ends of the spring are respectively abutted against the head part and the water inlet valve seat, the core shaft is provided with a groove, and the groove is matched with the inner wall of the cylindrical part to form a channel for a medium to pass through.

Preferably, the valve core of the water inlet valve is driven by electromagnetism.

The utility model has the advantages as follows:

the utility model discloses increased anti-siphon structure in the water intaking valve that reduces pressure, can effectively avoid the water intaking valve that reduces pressure to appear adverse current, siphonage in the use, improved the practicality and the functionality of water intaking valve that reduces pressure. The utility model discloses can use in intelligent closestool field: the vacuum breaker integrated type pressure reducing water inlet valve provided by the utility model can meet the requirements of the intelligent closestool on anti-siphon performance and greatly simplify the internal structure of the intelligent closestool while reducing the pipeline pressure and maintaining the stable water outlet pressure, the assembly difficulty is reduced, and the space utilization rate is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the technical solutions in the prior art, the drawings required to be used in the technical solutions or the technical solutions in the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings obtained from these drawings still belong to the scope of the present invention without inventive laboriousness.

FIG. 1 is a cross-sectional view of a vacuum breaker integrated pressure reducing inlet valve provided in the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic structural view of an integrated vacuum breaker and pressure reducing inlet valve provided in the present invention;

FIG. 4 is a schematic view of the siphon core of the vacuum breaker integrated pressure-reducing water inlet valve according to the present invention;

FIG. 5 is a cross-sectional view of a wick in a vacuum breaker integrated pressure reducing inlet valve in accordance with the present invention;

fig. 6 shows a schematic diagram of a flow path of water in the anti-siphon mechanism in the vacuum breaker integrated pressure-reducing water inlet valve provided by the present invention.

In the figure: the valve comprises a valve body 1, a water inlet 2, a water outlet 3, a pressure reducing mechanism 4, an anti-siphon mechanism 5, a siphon core 6, a head 601, a core shaft 602, a connecting part 603, a groove 604, a convex part 605, a guide inclined plane 606, a spring 7, a sealing gasket 8, a valve cover 9, a vent hole 901, a sealing ring 10O, a valve seat of a water inlet valve, a cylindrical part 1101 and a valve core of a water inlet valve 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1, the vacuum breaker integrated pressure-reducing water inlet valve comprises a valve body 1, a water inlet 2 and a water outlet 3 which are arranged on two sides of the valve body 1, a waterway channel communicated with the water inlet 2 and the water outlet 3 is arranged in the valve body 1, a pressure-reducing mechanism 4 is arranged at one end of the waterway channel close to the water outlet 3, and an anti-siphon mechanism 5 is arranged between the water inlet 2 and the pressure-reducing mechanism 4 of the valve body 1. An anti-siphon mechanism 5 is added in the pressure reducing water inlet valve to prevent sewage from entering the pipeline to pollute water at the moment of water cut-off,

as shown in fig. 2, anti-siphon mechanism 5 is including setting up the siphon core subassembly in the through-flow chamber and the through-flow intracavity in valve body 1, through-flow chamber be equipped with the end of intaking of water inlet 2 intercommunication, with the play water end of delivery port 3 intercommunication and the inlet end of communicating with the atmosphere, the end of intaking is equipped with and is used for controlling the water intaking valve assembly of end switching of intaking, through-flow intracavity is equipped with siphon core subassembly, and when rivers pass through when the end of intaking gets into through-flow intracavity, siphon core subassembly is closed the inlet end, works as when through-flow intracavity forms the negative pressure, siphon core subassembly opens under atmospheric pressure the inlet end.

The siphon core assembly comprises a siphon core 6 and a spring 7, the siphon core 6 comprises a head 601 and a mandrel 602, the spring 7 is sleeved outside the mandrel 602, one end of the spring abuts against the head 601, the siphon core 6 is driven to move towards the direction of the air inlet end, and the air inlet end is closed.

As shown in fig. 4, the siphon core assembly further includes a sealing gasket 8, a connecting portion 603 is disposed on one side of the head 601 close to the air inlet, and the sealing gasket 8 is sleeved outside the connecting portion 603 and abuts against an inner wall of a through-flow cavity where the air inlet is located; a convex part 605 is arranged on one side of the head part 601 close to the air inlet end, and the convex part 605 has a limiting effect on the sealing gasket 8.

The end surface of the convex part 605 near the air inlet end is provided with a guide inclined surface 606. This facilitates assembly.

The siphon core assembly comprises a valve cover 9 connected to a valve body 1, the through flow cavity is formed between the valve body 1 and the valve cover 9, a vent hole 901 is formed in the valve cover 9, and the siphon core 6 has a first position for blocking the vent hole 901 and a second position for opening the vent hole when moving relative to the valve cover 9. In addition, as shown in fig. 2, the valve cover 9 has a baffle 902, the baffle 902 is disposed outside the vent 901 and has a certain distance from the vent 901 so as not to affect the ventilation of the vent 901, the baffle 902 can prevent other factors except air pressure from pushing the siphon core assembly,

and an O-shaped sealing ring 10 is arranged at the joint of the valve cover 9 and the valve body 1, so that the sealing property is improved.

The water inlet valve assembly comprises a water inlet valve seat 11 and a water inlet valve core 12 which are connected with the inner wall of the valve body 1, and the water inlet valve core 12 does longitudinal reciprocating motion relative to the valve body 1 and is matched with the water inlet valve seat 11 to realize the opening and closing of the water inlet valve assembly; the water inlet valve seat 11 is provided with a cylindrical part 1101 extending towards the air inlet end, the spindle 602 is inserted into the cylindrical part 1101 and is matched with the inner cavity of the cylindrical part 1101, the spring 7 is sleeved outside the cylindrical part 1101, two ends of the spring respectively abut against the head part 601 and the water inlet valve seat 11, a groove 604 is formed in the spindle 602, and the groove 604 is matched with the inner wall of the cylindrical part 1101 to form a channel for a medium to pass through. Through the arrangement, the structure of the embodiment is compact.

The inlet valve spool 12 is electromagnetically driven.

It should be noted that, in the foregoing system embodiment, each included system unit is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, the specific names of the functional units are also only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present invention.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an integral type decompression water intaking valve of vacuum breaker, includes water inlet (2) and delivery port (3) of valve body (1) and valve body (1) both sides, be equipped with the intercommunication in valve body (1) the waterway of water inlet (2) and delivery port (3), the one end that waterway is close to delivery port (3) is equipped with decompression mechanism (4), its characterized in that: an anti-siphon mechanism (5) is arranged between the water inlet (2) and the pressure reducing mechanism (4) of the valve body (1).

2. The vacuum breaker-integrated pressure reducing inlet valve of claim 1, wherein: prevent siphon mechanism (5) including the siphon core subassembly that sets up the through-flow chamber in valve body (1) and through-flow intracavity, through-flow chamber be equipped with the end of intaking of water inlet (2) intercommunication, with the play water end of delivery port (3) intercommunication and with the inlet end of atmosphere intercommunication, the end of intaking is equipped with and is used for control the water intaking valve module of end switching of intaking, through-flow intracavity is equipped with siphon core subassembly, and passes through as rivers when the end of intaking gets into through-flow intracavity, siphon core subassembly is closed the inlet end, works as when through-flow intracavity forms the negative pressure, siphon core subassembly is opened under atmospheric pressure the inlet end.

3. The vacuum breaker-integrated pressure reducing inlet valve of claim 2, wherein: the siphon core assembly comprises a siphon core (6) and a spring (7), the siphon core (6) comprises a head (601) and a mandrel (602), the spring (7) is sleeved outside the mandrel (602), one end of the spring abuts against the head (601), the siphon core (6) is driven to move towards the direction of the air inlet end, and the air inlet end is closed.

4. The vacuum breaker-integrated pressure reducing inlet valve according to claim 3, wherein: the siphon core assembly further comprises a sealing gasket (8), a connecting part (603) is arranged on one side, close to the air inlet end, of the head part (601), and the sealing gasket (8) is sleeved outside the connecting part (603) and is abutted against the inner wall of the through-flow cavity where the air inlet end is located; one side of the head part (601) close to the air inlet end is provided with a convex part (605), and the convex part (605) has a limiting effect on the sealing gasket (8).

5. The vacuum breaker-integrated pressure reducing inlet valve according to claim 4, wherein: and a guide inclined plane (606) is arranged on the end surface of one end of the convex part (605) close to the air inlet end.

6. The vacuum breaker-integrated pressure reducing inlet valve according to claim 4, wherein: the siphon core assembly comprises a valve cover (9) connected to a valve body (1), the through flow cavity is formed between the valve body (1) and the valve cover (9), a vent hole (901) is formed in the valve cover (9), and the siphon core (6) is displaced relative to the valve cover (9) and has a first position for blocking the vent hole (901) and a second position for opening the vent hole.

7. The vacuum breaker integrated reduced pressure inlet valve according to claim 6, wherein: and an O-shaped sealing ring (10) is arranged at the joint of the valve cover (9) and the valve body (1).

8. The vacuum breaker-integrated pressure-reducing inlet valve as set forth in any one of claims 3 to 7, wherein: the water inlet valve assembly comprises a water inlet valve seat (11) and a water inlet valve core (12) which are connected with the inner wall of the valve body (1), and the water inlet valve core (12) does longitudinal reciprocating motion relative to the valve body (1) and is matched with the water inlet valve seat (11) to realize the opening and closing of the water inlet valve assembly; the water inlet valve seat (11) is provided with a cylindrical part (1101) extending towards the direction of an air inlet end, the mandrel (602) is inserted into the cylindrical part (1101) and is matched with the inner cavity of the cylindrical part (1101), the spring (7) is sleeved outside the cylindrical part (1101), two ends of the spring are respectively abutted to the head part (601) and the water inlet valve seat (11), a groove (604) is formed in the mandrel (602), and the groove (604) is matched with the inner wall of the cylindrical part (1101) to form a channel for a medium to pass through.

9. The vacuum breaker-integrated pressure reducing inlet valve of claim 8, wherein: the valve core (12) of the water inlet valve is driven by electromagnetism.