CN221145394U

CN221145394U - Distributing valve

Info

Publication number: CN221145394U
Application number: CN202322169800.3U
Authority: CN
Inventors: 李业先; 张燕光; 陈志超; 蓝辉腾
Original assignee: Jiangmen Shuibao Sanitary Ware Co ltd
Current assignee: Jiangmen Shuibao Sanitary Ware Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-06-14
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to the technical field of water flow control, in particular to a distribution valve, when the water pressure of a water outlet is reduced, namely when an external water tap is opened, the pressure in a water flow channel can be increased instantaneously, at the moment, a float valve core is opened due to the pressure difference at two ends, water in the water flow channel can be discharged from the water outlet, as a float is movably arranged in the water outlet through a float spring, when the external water tap is closed, the float can be reset under the action of the float spring, and the pressure change in the water flow channel can not shake the float, so that the service life of the float valve core is longer.

Description

Distributing valve

Technical Field

The utility model relates to the technical field of water flow control, in particular to a distributing valve.

Background

The existing water tank pipeline machine on the market is difficult to clean the inside of a pipeline, the old water stored in the water tank is easy to produce secondary pollution for a long time, the floating ball and the air holes in the water tank of the pipeline machine are easy to grow bacteria after being used for a long time, and the occupied area of the water tank pipeline machine is large, so that the water tank pipeline machine is free from water in the market in recent years, the water tank pipeline machine can be directly hung on a wall, the occupied area is reduced, and meanwhile, the inside of the machine is directly connected with a pipeline, so that the instant-on healthy water outlet is achieved, and the secondary pollution is not required.

Because the power problem of no water tank pipeline machine self, when the water supply volume of pipeline is greater than the water yield of no water tank pipeline machine, in order to prevent that the inside pressure of pipeline is too big to appear the phenomenon of tube explosion, no water tank pipeline opportunity stops the operation this moment, along with the inside pressure reduction back of pipeline, no water tank pipeline machine just works once more, with this repeatedly leads to no water tank pipeline machine to start up repeatedly and shut down, reduces the life of no water tank pipeline machine easily.

In order to solve the above-mentioned problem, chinese patent publication No. CN114857302a discloses a diaphragm type distributing valve, which comprises a housing, be provided with the raw water mouth that is connected with the running water on the shell, the pure water export of being connected with the pipeline machine, the pure water import of being connected with the water outlet end of pure water machine and the decompression export of being connected with the inlet end of pure water machine, be provided with the water channel that is used for connecting raw water mouth and decompression export in the shell, still including the decompression valve subassembly, the decompression valve subassembly normally opens in order to switch on raw water mouth and water channel, and the decompression valve subassembly can reduce gradually or cut off raw water mouth and supply water to water channel, be provided with the negative pressure chamber that is connected with pure water export and the water outlet chamber that is connected with pure water import in the shell, be provided with the return port that is used for connecting water outlet chamber and water outlet chamber in the shell, be provided with the one-way valve subassembly that is used for connecting negative pressure chamber and water outlet chamber in the return port in the shell, still including negative pressure valve subassembly, negative pressure valve subassembly normally closes in order to close first valve port, and pure water valve port is opened to the first valve port, and the valve port is characterized in that the negative pressure valve subassembly is opened to: the shell is internally provided with an overflow membrane in the water outlet cavity, the overflow membrane can divide the water outlet cavity into a first water outlet cavity and a second water outlet cavity, the first water outlet cavity is communicated with the first valve port, the second water outlet cavity is respectively communicated with the reflux port and the pure water inlet, the overflow membrane is provided with a first water through hole for communicating the first water outlet cavity with the second water outlet cavity, and when the pure water outlet does not absorb water under negative pressure, the overflow membrane blocks the reflux port; when the pure water outlet absorbs water under negative pressure, the pressure of the first water outlet cavity is reduced, the overflow membrane stretches and moves in a direction away from the reflux port under the action of water pressure, and the reflux port is opened; when the inflow rate of the pure water inlet is increased, the overflow membrane is far away from the reflux port under the pressure effect, the opening degree of the reflux port is increased, and the reflux rate is increased; when the inflow of the pure water inlet is reduced, the overflow membrane is close to the reflux port under the pressure effect, the opening of the reflux port is reduced, and the reflux quantity is reduced.

The problems of the prior art are: when the pure water outlet does not absorb water under negative pressure, the pressure of the first water outlet cavity can be increased instantaneously, and the edge of the overflow membrane can deform at high frequency, so that the overflow membrane is easy to fail.

The prior art dispensing valve is therefore still further improved.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to: the distribution valve is simple in structure and long in service life.

The utility model adopts the technical scheme that: the utility model provides a distribution valve, includes the valve body, be provided with water channel and pressure release passageway in the valve body, be equipped with the return water mouth on the valve body, the pressure release passageway will water channel and return water mouth intercommunication, return water mouth department is equipped with the one-way case, still be provided with on the valve body with water channel's water inlet and delivery port, work as when the water pressure of delivery port risees to first default, the one-way case is opened, water in the water channel can follow return water mouth is discharged, delivery port department is equipped with the float case, work as when the water pressure of delivery port reduces to first default, the float case is opened, water in the water channel can follow the delivery port is discharged, the float case includes float spring and float, the float is through float spring movable mounting in the delivery port, the float with the delivery port moves sealedly, owing to set up the one-way case, when external tap goes out water, the negative pressure effect of water channel, the one-way case can be plugged tightly, and the rivers can be a large amount of follow external tap can not cause because the water yield reduces.

As a further improvement of the technical scheme, the pressure relief channel comprises a first water outlet hole, a pressure relief cavity and a second water outlet hole which are sequentially communicated, a pressure relief valve core is arranged in the pressure relief cavity and is in dynamic seal with the pressure relief cavity, the first water outlet hole is communicated with the water flow channel, the second water outlet hole is communicated with the water return hole, when the water pressure of the water outlet is lower than a second preset value, the pressure relief valve core is sealed with the second water outlet hole, and when the water pressure of the pressure relief valve core is increased to the second preset value, the pressure relief valve core can be separated from the sealed water flow channel with the second water outlet hole.

As a further improvement of the technical scheme, when the water pressure of the water outlet rises to a second preset value, the bottom of the floater can be abutted with the bottom surface of the water flow channel and plug the first water outlet, the floater plugs the first water outlet, so that the pressure relief valve core can be protected, and the service life of the pressure relief valve core is prolonged.

As the further improvement of above-mentioned technical scheme, the float valve core still includes the stop pad, stop pad fixed mounting is in the delivery port, stop pad is used for installing the float spring, upper portion and lower part of float are respectively for being used for shutoff the stopper portion of delivery port and be used for shutoff the stabilizer blade of first apopore, stopper portion with be provided with the size between the stabilizer blade and be less than the pillar of delivery port, when external tap closes fast, the stabilizer blade of float bottom can be fast with the water thrust in the water flow channel to first apopore, reduces the water pressure in the water flow channel.

As a further improvement of the technical scheme, the bottom surface of the water flow channel is a plane, and the plane of the water flow channel is used for plugging the first water outlet by using the support legs.

As a further improvement of the technical scheme, the outer side edge of the stop pad is provided with a bulge, the inner side wall of the water outlet is provided with a mounting groove matched with the bulge, and the stop pad is provided with a plurality of holes.

As a further improvement of the above technical solution, the top of the stopper portion is provided with a groove, the bottom of the stop pad is provided with a supporting rod extending downward, the upper portion of the float spring is sleeved on the supporting rod, and the lower portion of the float spring is installed in the groove.

As a further improvement of the technical scheme, the pressure relief valve core comprises a pressure relief piston, a pressure relief spring and a pressure relief mounting seat, wherein the pressure relief mounting seat is fixedly arranged on the valve body, the pressure relief piston is in dynamic seal with the pressure relief cavity, the pressure relief spring is arranged between the pressure relief mounting seat and the pressure relief piston and is in butt joint with the pressure relief mounting seat and the pressure relief piston, the pressure relief piston is used for blocking the second water outlet, and the pressure relief piston is matched with the pressure relief spring to regulate the pressure relief cavity.

As the further improvement of above-mentioned technical scheme, the pressure release case includes diaphragm, diaphragm spring and diaphragm mount pad, diaphragm mount pad fixed mounting is in on the valve body and pressure release chamber sealing connection, the outward flange fixed connection of diaphragm in the diaphragm mount pad, be provided with the cavity on the diaphragm mount pad, the diaphragm with the cavity moves sealedly, the diaphragm spring sets up in the cavity and elastic action diaphragm and diaphragm mount pad, the diaphragm is used for the shutoff the second apopore, still be equipped with on the diaphragm mount pad with the communicating air vent of cavity, when the diaphragm moves rightwards, the volume in the cavity reduces, and the air in the cavity can follow the air vent and discharge, prevents that the pressure in the cavity is too big.

As the further improvement of above-mentioned technical scheme, the one-way case is including the check mount pad, check spring and the check stopper that connect gradually, check mount pad fixed mounting is in on the valve body, the check stopper is used for the shutoff the second apopore, be provided with a plurality of trompils on the check mount pad, the check stopper is used for preventing rivers backward flow.

The beneficial effects of the utility model are as follows: when the water pressure of the water outlet is reduced, namely when the external water tap is opened, the pressure in the water flow channel can be increased instantaneously, at the moment, the valve core of the floater is opened due to the pressure difference at two ends, water in the water flow channel can be discharged from the water outlet, and as the floater is movably arranged in the water outlet through the floater spring, when the external water tap is closed, the floater can reset under the action of the floater spring, and the pressure change in the water flow channel can not cause the floater to shake, so the service life of the valve core of the floater is longer.

Drawings

The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a cross-sectional view of section A-A of FIG. 2;

FIG. 4 is a cross-sectional view showing the water pressure at the water outlet of the present utility model decreasing to a first predetermined value;

FIG. 5 is a cross-sectional view of the water outlet of the present utility model when the water pressure rises to a second preset value;

Fig. 6 is a cross-sectional view of another embodiment of the present utility model.

In the figure: 1-water flow channel, 2-float valve core, 21-stop pad, 211-bulge, 212-support rod, 22-float spring, 23-float, 231-stop portion, 2311-groove, 232-support leg, 233-support leg, 3-pressure release channel, 31-first water outlet, 32-pressure release cavity, 33-second water outlet, 4-pressure release valve core, 41-pressure release piston, 42-pressure release spring, 43-pressure release mounting seat, 44-diaphragm, 45-diaphragm spring, 46-diaphragm mounting seat, 461-cavity, 462-vent hole, 5-water outlet, 51-mounting groove, 6-valve body, 7-water inlet, 8X-water return port, 8Y-one-way valve core, 81-check mounting seat, 82-check plug, 83-check spring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

When the water pressure of the water outlet 5 is reduced to a first preset value, that is, when the external water tap is opened, when the water pressure of the water outlet 5 is increased to a second preset value, that is, when the external water tap is closed or the opening degree is reduced, under the condition that the external water tap can be normally opened or closed, a person skilled in the art can set the first preset value and the second preset value according to the actual use field Jing Ceding, and can also design the opening pressures of the float valve core 2, the pressure relief valve core 4 and the unidirectional valve core 8Y according to the first preset value and the second preset value.

Referring to fig. 1-3, the valve comprises a valve body 6, a water flow channel 1 and a pressure relief channel 3 are arranged in the valve body 6, a water return port 8X is arranged on the valve body 6, the pressure relief channel 3 is used for communicating the water flow channel 1 with the water return port 8X, a one-way valve core 8Y is arranged at the water return port 8X, a water inlet 7 and a water outlet 5 which are communicated with the water flow channel 1 are also arranged on the valve body 6, when the water pressure of the water outlet 5 rises to a first preset value, the one-way valve core 8Y is opened, water in the water flow channel 1 can be discharged from the water return port 8X, a float valve core 2 is arranged at the water outlet 5, when the water pressure of the water outlet 5 is reduced to the first preset value, the water in the water flow channel 1 can be discharged from the water outlet 5, the float valve core 2 comprises a float spring 22 and a float 23, the float 23 is movably arranged in the water outlet 5 through the float spring 22, and the float 23 is sealed with the water outlet 5.

In a preferred embodiment, referring to fig. 3, the pressure relief channel 3 includes a first water outlet hole 31, a pressure relief cavity 32 and a second water outlet hole 33 that are sequentially communicated, a pressure relief valve core 4 is disposed in the pressure relief cavity 32, the pressure relief valve core 4 is dynamically sealed with the pressure relief cavity 32, the first water outlet hole 31 is communicated with the water flow channel 1, the second water outlet hole 33 is communicated with the water return port 8X, when the water pressure of the water outlet 5 is lower than a second preset value, the pressure relief valve core 4 is sealed with the second water outlet hole 33, and when the water pressure of the pressure relief valve core 4 is raised to the second preset value, the pressure relief valve core 4 can be separated from the second water outlet hole 33.

In an alternative embodiment, referring to fig. 3, when the water pressure of the water outlet 5 increases to a second preset value, the bottom of the float 23 can abut against the bottom surface of the water flow channel 1 and seal the first water outlet hole 31, the float valve core 2 further comprises a stop pad 21, the stop pad 21 is fixedly installed in the water outlet 5, the stop pad 21 is used for installing the float spring 22, the upper and lower parts of the float 23 are respectively a stopper 231 for sealing the water outlet 5 and a support leg 232 for sealing the first water outlet hole 31, and a support leg 233 with a smaller size than the water outlet 5 is arranged between the stopper 231 and the support leg 232;

In other embodiments, the bottom surface of the water flow channel 1 is a plane, the outer edge of the stop pad 21 is provided with a protrusion 211, the inner side wall of the water outlet 5 is provided with a mounting groove 51 adapted to the protrusion 211, and the stop pad 21 is provided with a plurality of openings.

In some embodiments, the top of the stop portion 231 is provided with a groove 2311, the bottom of the stop pad 21 is provided with a downward extending strut 212, the upper portion of the float spring 22 is sleeved on the strut 212, and the lower portion of the float spring 22 is installed in the groove 2311;

The pressure relief valve core 4 comprises a pressure relief piston 41, a pressure relief spring 42 and a pressure relief mounting seat 43, the pressure relief mounting seat 43 is fixedly mounted on the valve body 6, the pressure relief piston 41 is in dynamic seal with the pressure relief cavity 32, the pressure relief spring 42 is arranged between the pressure relief mounting seat 43 and the pressure relief piston 41 and is in butt joint with the pressure relief mounting seat 43 and the pressure relief piston 41, and the pressure relief piston 41 is used for blocking the second water outlet hole 33;

In fact, this embodiment is not the only embodiment of the present utility model, in other embodiments, referring to fig. 6, the pressure relief valve core 4 includes a diaphragm 44, a diaphragm spring 45, and a diaphragm mounting seat 46, where the diaphragm mounting seat 46 is fixedly mounted on the valve body 6 and the pressure relief cavity 32 is hermetically connected, an outer edge of the diaphragm 44 is fixedly connected to the diaphragm mounting seat 46, a cavity 461 is disposed on the diaphragm mounting seat 46, the diaphragm 44 is dynamically sealed with the cavity 461, the diaphragm spring 45 is disposed in the cavity 461 and elastically acts on the diaphragm 44 and the diaphragm mounting seat 46, the diaphragm 44 is used for sealing the second water outlet hole 33, a vent hole 462 communicating with the cavity 461 is further disposed on the diaphragm mounting seat 46, when the water pressure of the water outlet 5 increases to a second preset value, the diaphragm 44 moves rightward so as to disengage from the second water outlet hole 33, and when the water pressure in the pressure relief cavity 32 decreases, the diaphragm 44 moves leftward under the elastic action of the diaphragm spring 45 so as to seal the second water outlet hole 33.

The one-way valve core 8Y comprises a check mounting seat 81, a check spring 83 and a check plug 82 which are sequentially connected, the check mounting seat 81 is fixedly mounted on the valve body 6, the check plug 82 is used for blocking the second water outlet hole 33, and a plurality of holes are formed in the check mounting seat 81.

The using effect is as follows:

Referring to fig. 4, when the water pressure of the water outlet 5 is reduced to a first preset value, i.e., the external faucet is turned on, the float 23 moves upward, the stopper 231 is separated from the first water outlet hole 31, and water flows from the water flow channel 1 to the water outlet 5 and flows out;

Referring to fig. 5, when the water pressure of the water outlet 5 increases to a second preset value, the water output of the water outlet 5 decreases to a certain degree or stops water output, the float 23 moves downward, the pressure in the water flow channel 1 increases, at this time, the water flow flows to the pressure release chamber 32 through the first water outlet 31 and pushes the pressure release piston 41 rightward, the pressure release piston 41 is separated from the second water outlet 33, the water flow then pushes the check plug 82 to move leftward and flow to the water return port 8X through the second water outlet 33, and finally the water flow flows out from the water return port 8X, so as to achieve the effect of decompressing the water flow channel 1.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. The distribution valve comprises a valve body (6), wherein a water flow channel (1) and a pressure relief channel (3) are arranged in the valve body (6), a water return port (8X) is arranged on the valve body (6), the pressure relief channel (3) is used for communicating the water flow channel (1) with the water return port (8X), and a one-way valve core (8Y) is arranged at the water return port (8X);

A water inlet (7) and a water outlet (5) which are communicated with the water flow channel (1) are also arranged on the valve body (6);

when the water pressure of the water outlet (5) rises to a second preset value, the one-way valve core (8Y) is opened, and water in the water flow channel (1) can be discharged from the water return port (8X), and the water return valve is characterized in that:

A float valve core (2) is arranged at the water outlet (5);

When the water pressure of the water outlet (5) is reduced to a first preset value, the float valve core (2) is opened, and water in the water flow channel (1) can be discharged from the water outlet (5);

The float valve core (2) comprises a float spring (22) and a float (23), the float (23) is movably arranged in the water outlet (5) through the float spring (22), and the float (23) is dynamically sealed with the water outlet (5).

2. A dispensing valve as defined in claim 1, wherein:

The pressure relief channel (3) comprises a first water outlet hole (31), a pressure relief cavity (32) and a second water outlet hole (33) which are sequentially communicated, a pressure relief valve core (4) is arranged in the pressure relief cavity (32), and the pressure relief valve core (4) is dynamically sealed with the pressure relief cavity (32);

The first water outlet hole (31) is communicated with the water flow channel (1), and the second water outlet hole (33) is communicated with the water return port (8X);

When the water pressure of the water outlet (5) is lower than a second preset value, the pressure relief valve core (4) is sealed with the second water outlet hole (33), and when the water pressure of the pressure relief valve core (4) is increased to the second preset value, the pressure relief valve core (4) can be separated from the second water outlet hole (33) in a sealing mode.

3. A dispensing valve as defined in claim 2, wherein:

When the water pressure of the water outlet (5) rises to a second preset value, the bottom of the floater (23) can be abutted with the bottom surface of the water flow channel (1) and plug the first water outlet hole (31).

4. A dispensing valve as claimed in claim 3, wherein:

The float valve core (2) further comprises a stop pad (21), the stop pad (21) is fixedly arranged in the water outlet (5), and the stop pad (21) is used for installing the float spring (22);

The upper part and the lower part of the floater (23) are respectively a stopper part (231) for blocking the water outlet (5) and a support leg (232) for blocking the first water outlet (31), and a support column (233) with the size smaller than that of the water outlet (5) is arranged between the stopper part (231) and the support leg (232).

5. A dispensing valve as defined in claim 4, wherein:

the bottom surface of the water flow channel (1) is a plane.

6. A dispensing valve as defined in claim 5, wherein:

The water outlet is characterized in that a bulge (211) is arranged on the outer side edge of the stop pad (21), a mounting groove (51) matched with the bulge (211) is arranged on the inner side wall of the water outlet (5), and a plurality of holes are formed in the stop pad (21).

7. A dispensing valve as defined in claim 4, wherein:

the top of stopper portion (231) is provided with recess (2311), the bottom of stopping pad (21) is provided with downwardly extending branch (212), the upper portion cover of float spring (22) is established on branch (212), the lower part of float spring (22) is installed in recess (2311).

8. A dispensing valve as defined in claim 2, wherein:

The pressure relief valve core (4) comprises a pressure relief piston (41), a pressure relief spring (42) and a pressure relief mounting seat (43);

The pressure relief mounting seat (43) is fixedly mounted on the valve body (6), the pressure relief piston (41) is in dynamic seal with the pressure relief cavity (32), the pressure relief spring (42) is arranged between the pressure relief mounting seat (43) and the pressure relief piston (41) and is in butt joint with the pressure relief mounting seat (43) and the pressure relief piston (41), and the pressure relief piston (41) is used for sealing the second water outlet hole (33).

9. A dispensing valve as defined in claim 2, wherein:

The pressure release valve core (4) comprises a diaphragm (44), a diaphragm spring (45) and a diaphragm mounting seat (46);

The diaphragm mounting seat (46) is fixedly arranged on the valve body (6) and is in sealing connection with the pressure release cavity (32);

The outer edge of the diaphragm (44) is fixedly connected to the diaphragm mounting seat (46), a cavity (461) is formed in the diaphragm mounting seat (46), the diaphragm (44) and the cavity (461) are dynamically sealed, the diaphragm spring (45) is arranged in the cavity (461) and elastically acts on the diaphragm (44) and the diaphragm mounting seat (46), and the diaphragm (44) is used for sealing the second water outlet hole (33);

The diaphragm mounting seat (46) is also provided with a vent hole (462) communicated with the cavity (461).

10. A dispensing valve as defined in claim 2, wherein:

The one-way valve core (8Y) comprises a check mounting seat (81), a check spring (83) and a check plug (82) which are sequentially connected, wherein the check mounting seat (81) is fixedly arranged on the valve body (6), the check plug (82) is used for sealing the second water outlet hole (33), and a plurality of holes are formed in the check mounting seat (81).