CN219673372U - Zero cold water cross valve assembly for water heater - Google Patents

Abstract

The utility model relates to a zero cold water four-way valve assembly for a water heater, which comprises a valve body and a check valve, wherein the valve body is of a T-shaped structure, a first interface, a second interface and a third interface are arranged at the end part of the valve body, a fourth interface is outwards extended from the middle part of the valve body, the first interface, the second interface, the third interface and the fourth interface are mutually communicated, an intersecting opening is arranged in the valve body, the intersecting opening is arranged between the first interface and the second interface and between the third interface and the fourth interface, and the check valve is arranged at the intersecting opening. The utility model discloses a zero cold water four-way valve assembly for a water heater, which has the advantages of simple integrated structure, simplicity and rapidness in installation and suitability for mass production.

Description

Zero cold water cross valve assembly for water heater

Technical Field

The utility model relates to the technical field of valves, in particular to a zero cold water four-way valve assembly for a water heater.

Background

The common household gas water heater also needs to put a section of cold water when using hot water every time, especially if the distance between a bathroom and the water heater is far, a great amount of cold water is usually needed to be put out for hot water, once the water is shut off halfway, the user wants to use the hot water again, the user needs to wait for the water to be heated by the cold water again, time delay and water waste are caused, and the use experience is quite unsatisfactory.

Chinese patent CN202221453464.4 discloses a four-way valve for a zero cold water and hot water supply system, comprising a first three-way member and a second three-way member; the first tee component comprises a first body and a first connecting part; the first tee component comprises a first body and a first connecting part, and the first connecting part and the second connecting part can be mutually and hermetically sleeved through a connecting structure; the connecting structure comprises a connecting groove arranged on the second connecting portion, a screw hole arranged on the first connecting portion and a threaded fastener, wherein the threaded fastener is in threaded connection with the screw hole and extends to be abutted in the connecting groove. The structure simplifies the structure of the zero cold water four-way valve for the water heater, but the structure is connected in a sectional mode, and the zero cold water four-way valve needs to be further assembled during processing, so that the production efficiency is reduced, and the unnecessary labor cost is increased.

Accordingly, there is a need to provide a zero cold water four-way valve assembly for a water heater that addresses the above-described issues.

Disclosure of Invention

The utility model aims to overcome the defects and the defects of the prior art, and provides a zero-cold water four-way valve assembly for a water heater, which has the advantages of simple integral structure, simplicity and rapidness in installation and suitability for mass production.

The aim of the utility model is realized by the following technical scheme:

the utility model provides a zero cold water cross valve subassembly for water heater, includes valve body and check valve, its characterized in that, the valve body sets up to T type structure, just the tip of valve body is provided with first interface, second interface and third interface, the middle part of valve body outwards extends has the fourth interface, just first interface second interface, third interface and fourth interface intercommunication each other, the inside intersection that is provided with of valve body, the intersection set up in first interface and second interface with between third interface and the fourth interface, just the check valve is installed intersection department.

As a preferable technical scheme of the utility model, the check valve is provided with a shell, a core and a spring, the outer wall of the shell is tightly attached to the side wall of the intersection, a communicated through hole, a cavity and a valve port are sequentially formed in the shell from top to bottom, the lower part of the core is arranged in the cavity, the upper end of the core penetrates through the spring to be nested in the through hole, and the core slides up and down in the through hole.

As a preferable technical scheme of the utility model, the outside of the shell is provided with a protruding block which plays a role of confining and sealing.

As a preferable technical scheme of the utility model, a sealing ring is further arranged outside the check valve, and the sealing ring is nested outside the valve port.

As a preferable technical scheme of the utility model, the four-way valve assembly is further provided with a plastic ring filter screen and a stainless steel filter screen, wherein the plastic ring filter screen is arranged at the first interface and the fourth interface, and the stainless steel filter screen is arranged at the intersection.

As a preferable technical scheme of the utility model, the four-way valve assembly is further provided with a check ring, and the check ring is arranged at the upper end of the check valve.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the four-way valve is arranged into an integrated structure, so that assembly is not needed, the labor cost is reduced, and the four-way valve is suitable for mass production; and only need with the first interface connection water heater hot water export of cross valve, second interface connection gondola water faucet when the installation, third interface connection water heater cold water import, fourth interface connection running water cold water pipe can, the installation is more swift, and it is more convenient to use.

Drawings

FIG. 1 is a schematic diagram of a four-way valve assembly according to the present utility model.

Fig. 2 is a schematic front view of a four-way valve assembly according to the present utility model.

Fig. 3 is a schematic cross-sectional front view of a four-way valve assembly according to the present utility model.

Fig. 4 is an enlarged view at a in fig. 3.

Wherein the above figures include the following reference numerals:

1. valve body, 11, first interface, 12, second interface, 13, third interface, 14, fourth interface, 15, crossing, 2, check valve, 21, casing, 211, through-hole, 212, cavity, 213, valve port, 22, case, 23, spring, 24, protruding piece, 3, sealing washer, 4, plastic ring filter screen, 5, stainless steel filter screen, 6, retaining ring.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 4, the present utility model is embodied as follows: the zero cold water four-way valve assembly for the water heater comprises a valve body 1 and a check valve 2, wherein the valve body 1 is of a T-shaped structure, the end part of the valve body 1 is provided with a first interface 11, a second interface 12 and a third interface 13, a fourth interface 14 extends outwards from the middle part of the valve body 1, and the first interface 11, the second interface 12, the third interface 13 and the fourth interface 14 are mutually communicated, so that a cavity structure is formed; because the valve body 1 is T-shaped, an intersection 15 is formed in the valve body, the check valve 2 is arranged at the intersection 15, the first interface 11, the second interface 12, the third interface 13 and the fourth interface 14 are separated, then the first interface 11 is connected with a hot water outlet of the water heater, the second interface 12 is connected with a shower head, the third interface 13 is connected with a cold water inlet of the water heater, and the fourth interface 14 is connected with a cold water pipe of tap water, so that the purpose of zero cold water of the water heater can be realized, the structure is simple, and the installation and the use of the water heater are more convenient.

In the embodiment of the utility model, a lifting type vertical flap check valve is preferably selected, and the check valve 2 is vertically arranged in a vertical cavity of a valve body with a T-shaped structure, wherein the check valve 2 is provided with a shell 21, a core 22 and a spring 23, the outer wall of the shell 21 is tightly attached to the inner wall of the valve body 1, and meanwhile, a bulge 24 is arranged outside the shell 21, so that a certain tightening and fixing effect can be realized; the inside of casing 21 is provided with communicating through-hole 211, cavity 212 and valve port 213 from top to bottom to pass spring 23 nestification in through-hole 211 with the upper end of core 22, the lower extreme of core 22 sets up in cavity 211, and under the effect of hydraulic pressure, core 22 slides from top to bottom in through-hole 212, the diameter of core 22 lower extreme is greater than the diameter of valve port, can prevent core 22 from falling out, still is provided with sealing washer 3 in the outside of casing 21, and the sealing washer can guarantee the compactness between check valve and the cross valve body, prevents the water leakage.

In the embodiment of the utility model, the four-way valve assembly is also provided with the plastic ring filter screen 4 and the stainless steel filter screen 5, and the plastic ring filter screen 4 is arranged at the first interface 11 and the fourth interface 14, so that sundries in tap water or sundries in a water heater can be prevented from entering the four-way valve to cause the problem of blocking a valve cavity or a shower head; the stainless steel filter screen 5 is arranged at the intersection 15, so that metal particles in the water heater can be prevented from entering the check valve 2 to cause abrasion on the inner wall of the check valve, and the service life of the four-way valve is prolonged.

In the embodiment of the utility model, the four-way valve assembly is further provided with the check ring 6, and the check ring 6 is arranged at the upper end of the check valve 2, so that the check valve can be prevented from being flushed away due to excessive pressure in the valve body.

When the four-way valve is installed, the valve body 1 is correctly connected according to the flow direction arrow outside, so that the occurrence of unnecessary problems of installation errors can be effectively avoided; after the four-way valve is installed, when water is introduced, the water is introduced by 1.2Mpa, the pressure maintaining valve body is free from leakage and deformation for 1min, and therefore the water outlet of the water heater is free from cold water.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (6)

1. The utility model provides a zero cold water cross valve subassembly for water heater, includes valve body and check valve, its characterized in that, the valve body sets up to T type structure, just the tip of valve body is provided with first interface, second interface and third interface, the middle part of valve body outwards extends has the fourth interface, just first interface second interface, third interface and fourth interface intercommunication each other, the inside intersection that is provided with of valve body, the intersection set up in first interface and second interface with between third interface and the fourth interface, just the check valve is installed intersection department.

2. The zero-cold water four-way valve assembly for a water heater according to claim 1, wherein the check valve is provided with a shell, a core and a spring, the outer wall of the shell is tightly attached to the side wall of the intersection, a through hole, a cavity and a valve port which are communicated are sequentially formed in the shell from top to bottom, the lower part of the core is arranged in the cavity, the upper end of the core penetrates through the spring to be nested in the through hole, and the core slides up and down in the through hole.

3. The zero-cold water four-way valve assembly for a water heater according to claim 2, wherein the housing is externally provided with a projection block for locking and sealing.

4. The zero-cold water four-way valve assembly for a water heater according to claim 2, wherein a sealing ring is further arranged outside the check valve, and the sealing ring is nested outside the valve port.

5. The zero cold water four-way valve assembly for a water heater according to claim 1, wherein the four-way valve assembly is further provided with a plastic ring filter screen and a stainless steel filter screen, the plastic ring filter screen is arranged at the first interface and the fourth interface, and the stainless steel filter screen is arranged at the intersection.

6. The zero cold water four-way valve assembly for a water heater according to claim 1, wherein the four-way valve assembly is further provided with a check ring, and the check ring is disposed at an upper end of the check valve.