CN212672529U

CN212672529U - Intelligent water pressure regulating and controlling guide valve

Info

Publication number: CN212672529U
Application number: CN202020511327.6U
Authority: CN
Inventors: 梁乃畧
Original assignee: Suzhou Alpine Flow Control Co ltd
Current assignee: Suzhou Alpine Flow Control Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-03-09
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an intelligence water pressure regulation and control pilot valve, including the pilot valve main part, the pilot valve main part includes pressure regulating mechanism and isolated bottom cavity and top cavity, the bottom cavity is including the high-pressure end of intaking, go out water low pressure end, and the intercommunication pipeline, the top cavity is including business turn over water pipe way, be located the regulation drive end in the top cavity, and the remote control end, pressure regulating mechanism is including the first barrier film that is located bottom cavity top, be located the second barrier film of top cavity bottom, and the elasticity pilot valve, be equipped with the intercommunication elastomer between the membrane seat of first barrier film and the membrane seat of second barrier film, the membrane seat of first barrier film is connected with the elasticity pilot valve. The utility model discloses possess automatic pressure regulating mechanism, the accessible distal end carries out pressure regulation and automatic regulation, realizes the distal end thing antithetical couplet, reduces the on-the-spot degree of difficulty and risk of adjusting. The mode of adopting three chamber cooperations can utilize water pressure and atmospheric pressure to regulate and control, has reduced the drive pressure of initiative regulation, reduces the drive energy consumption simultaneously. Is suitable for popularization and application.

Description

Intelligent water pressure regulating and controlling guide valve

Technical Field

The utility model relates to an intelligence water pressure regulation and control guide valve belongs to the technical field of hydraulic control valve.

Background

In order to respond to the water pressure change of a supply pipeline, a water supply network at present adopts a pressure control valve body, the pressure control valve body is generally used together with a main valve, when the pressure of the pressure control valve body is changed, the pressure in the main valve is correspondingly changed, so that the displacement of a diaphragm of the main valve is caused, the size of an outlet is controlled, the sensitivity of valve core control is improved, and the effect of accurate pressure stabilization is achieved.

The conventional control valve body is shown in fig. 3, and adopts a spiral adjusting screw with a top end design, and the spiral adjusting screw adjusts and drives the diaphragm to move up and down through a spring so as to increase or decrease the pressure. The existing control valve body is relatively stable, the pressure control effect is better when the existing control valve body is combined with a hydraulic control valve for use, manual pressure regulation is needed, the efficiency is relatively slow, and risks exist. The pressure is relatively fixed, and manual pressure regulation is needed. Changing the pressure necessarily requires on-site pressure regulation. In some special environments, for example, it is difficult to find the most stable pressure control effect by multiple pressure regulation and to regulate pressure in a severe environment. Meanwhile, the pilot valve cannot be closed by the pilot valve, and the emergency environment is difficult to implement in places where the valve needs to be closed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned prior art, need on-the-spot pressure regulating to traditional hydraulic control valve to have inefficiency, operational risk, and adjust the poor problem of flexibility, provide intelligent water pressure regulation and control pilot valve.

In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:

the intelligent water pressure regulating and controlling guide valve is connected with the water supply main valve and comprises a guide valve main body,

the guide valve main body comprises a pressure regulating mechanism, a bottom chamber and a top chamber which are separated,

the bottom cavity comprises a water inlet high-pressure end, a water outlet low-pressure end and a communicating pipeline positioned between the water inlet high-pressure end and the water outlet low-pressure end,

the top cavity comprises a water inlet and outlet pipeline, an adjusting driving end with lifting displacement and positioned in the top cavity, and a remote control end for remotely controlling the lifting displacement of the adjusting driving end,

the pressure regulating mechanism comprises a first isolating membrane positioned at the top of the bottom chamber, a second isolating membrane positioned at the bottom of the top chamber, and an elastic pilot valve positioned in the bottom chamber and used for carrying out circulation regulation on the communication pipeline,

a communicating elastic body is arranged between the membrane seat of the first isolating membrane and the membrane seat of the second isolating membrane, the membrane seat of the first isolating membrane is connected with the elastic pilot valve, and the membrane seat of the second isolating membrane is provided with a driven end which is opposite to the adjusting driving end.

Preferably, a regulation and control chamber is arranged in the guide valve main body and located between the bottom chamber and the top chamber, the communication elastic body is located in the regulation and control chamber, and the regulation and control chamber is communicated with the external atmosphere.

Preferably, the water inlet high-pressure end comprises an L-shaped water inlet bent pipe extending into the bottom chamber, the elastic pilot valve is arranged at the bottom of the L-shaped water inlet bent pipe, and the elastic pilot valve is vertically opposite to the water outlet end of the L-shaped water inlet bent pipe.

Preferably, the elastic pilot valve comprises a pilot valve main body and an elastic seat arranged in the bottom chamber in a sealing mode, and a door-shaped connecting piece used for avoiding the L-shaped water inlet bent pipe is arranged between the membrane seat of the first isolating membrane and the pilot valve main body.

Preferably, the pilot valve main part includes upper cover, valve body, and base, first barrier film seal sets up between valve body and the base, second barrier film seal sets up between upper cover and the valve body.

The beneficial effects of the utility model are mainly embodied in that:

1. possess automatic pressure regulating mechanism to satisfy pressure regulation's drive demand through the design of top cavity, the accessible distal end carries out pressure regulation and automated adjustment, realizes the distal end thing allies oneself with, reduces the on-the-spot regulation degree of difficulty and risk.

2. The mode of adopting three chamber cooperations can utilize water pressure and atmospheric pressure to regulate and control, has reduced the drive pressure of initiative regulation, reduces the drive energy consumption simultaneously.

3. The whole design is simple and ingenious, the regulation and control are convenient, the response is high-efficient, the production and the assembly are easy, and the method is suitable for popularization and application.

Drawings

Fig. 1 is the utility model discloses the section structure schematic diagram of intelligence water pressure regulation and control pilot valve.

Fig. 2 is another sectional structure schematic diagram of the intelligent water pressure regulating and controlling pilot valve of the present invention.

Fig. 3 is a schematic structural diagram of a control valve body in the prior art.

Detailed Description

The utility model provides an intelligence water pressure regulation and control guide valve. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.

The intelligent water pressure regulating and controlling pilot valve is connected with a water supply main valve, and comprises a pilot valve main body 1 as shown in figures 1 and 2.

In general, the main water supply valve includes a water inlet pipe end and a water outlet pipe end, and the pilot valve body 1 is consistent with the existing control valve body and is arranged between the water inlet pipe end and the water outlet pipe end of the main water supply valve to meet the requirement of pressure stabilization and regulation between the water inlet pipe end and the water outlet pipe end.

In the present case, the pilot valve body 1 includes a pressure regulating mechanism 4, and a bottom chamber 2 and a top chamber 3 which are separated from each other.

The bottom chamber 2 includes a water inlet high pressure end 21, a water outlet low pressure end 22, and a communication pipe 23 between the water inlet high pressure end 21 and the water outlet low pressure end 22. In the process of flow stabilization, namely, the flow quantity of the communication pipeline 23 is adjusted, so that the effects of flow stabilization and pressure regulation are achieved.

The top chamber 3 comprises a water inlet and outlet pipeline 31, an adjusting driving end 32 with lifting displacement and positioned in the top chamber 3, and a remote control end 33 for remotely controlling the lifting displacement of the adjusting driving end 32. The water inlet and outlet pipeline 31 can be connected with independent pressure regulating water bags and the water inlet pipe end or the water outlet pipe end of a water supply main valve, and the water inlet and outlet pipeline 31 can be provided with a pressure regulating valve. The adjusting driving end 32 is provided with a driving source, which can be a motor, a cylinder or other actuator, the actuator is communicated with the remote control end 33 through a remote communication module, and the driving source can be controlled through the remote control end 33, so that the lifting displacement adjustment of the adjusting driving end 32 is realized.

The pressure regulating mechanism 4 comprises a first isolating diaphragm 41 at the top of the bottom chamber, a second isolating diaphragm 42 at the bottom of the top chamber, and an elastic pilot valve 5 in the bottom chamber for flow regulation of the communication line 23.

A communicating elastic body 43 is arranged between the membrane seat of the first isolation membrane 41 and the membrane seat of the second isolation membrane 42, the membrane seat of the first isolation membrane 41 is connected with the elastic pilot valve 5, and the membrane seat of the second isolation membrane 42 is provided with a driven end 421 which is arranged opposite to the adjusting driving end 32.

Specifically, the water outlet low-pressure end 22 of the bottom chamber 2 is provided with a voltmeter, in this case, the voltmeter of the water outlet low-pressure end 22 is a remote-transmitting meter, and the remote control end 33 can monitor pressure data of the remote-transmitting meter, so that the lifting displacement of the adjusting driving end 32 is controlled, and finally the adjustment of the required water pressure is realized. The remote control terminal 33 can be provided with an adjustment threshold, and when the pressure of the remote gauge exceeds the adjustment threshold, automatic pressure adjustment can be realized.

Firstly, the pressurization adjustment of the water outlet low-pressure end 22 is explained, during pressurization, the remote control end 33 drives the adjustment driving end 32 to press downwards, so that the second isolation diaphragm 42 descends, and presses the communication elastic body 43 to generate elastic deformation, at the moment, the whole top chamber 3 is enlarged, the water inlet and outlet pipe 31 causes high-pressure water to assist in pressing the second isolation diaphragm 42, the first isolation diaphragm 41 is driven downwards in a combined manner, the diaphragm seat of the first isolation diaphragm 41 drives the elastic pilot valve 5, so that the elastic pilot valve 5 descends, the circulation of the communication pipeline 23 is increased, and the water outlet low-pressure end 22 is pressurized.

The water outlet low-pressure end 22 is subjected to decompression adjustment, during decompression, the remote control end 33 drives the adjustment driving end 32 to move upwards, at the moment, the elastic pilot valve 5 is elastically released to generate deformation reset driving on the first isolation diaphragm 41, the communication elastic body 43 also generates elastic reset operation to generate reset driving on the second isolation diaphragm 42, and the second isolation diaphragm 42 can press the top chamber 3 to contract when being reset, so that water in the top chamber 3 is led out, the pressure of the top chamber 3 is reduced, and when the diaphragm seat of the second isolation diaphragm 42 is abutted to the adjustment driving end 32, the water outlet low-pressure end is maintained.

When the low-pressure end 22 of the outlet water is closed, the adjusting driving end 32 rises to the top, the second isolating membrane 42 is reset and then is not in contact with the adjusting driving end 32, and at the moment, the elastic pilot valve 5 closes the communication pipeline 23, so that the adjusting pilot valve is closed.

In one embodiment, to reduce the regulation pressure at the regulation drive end 32, a regulation chamber 6 is provided in the pilot valve body 1 between the bottom chamber 2 and the top chamber 3, a communication elastic body 43 is provided in the regulation chamber 6, and the regulation chamber 6 is communicated with the external atmosphere.

Specifically, when the pressurization is performed, a part of the pressure in the bottom chamber 2 of the first isolation diaphragm 41 is removed by the atmospheric pressure, so that the downward driving pressure of the adjustment driving end 32 is reduced, and the driving energy consumption is reduced.

In one embodiment, the inlet high pressure end 31 comprises an L-shaped inlet elbow 7 extending into the bottom chamber 2, the resilient pilot valve 5 is disposed at the bottom of the L-shaped inlet elbow, and the resilient pilot valve 5 is disposed vertically opposite the outlet end of the L-shaped inlet elbow 7.

Namely, in the adjusting process, the flow is controlled by adjusting the lifting of the elastic pilot valve 5 and the water outlet end of the L-shaped water inlet bent pipe 7 relatively, so that the pressure adjusting function is realized.

More specifically, the elastic pilot valve 5 includes a pilot valve main body 51 and an elastic seat 52 hermetically disposed in the bottom chamber, and a gate-shaped connector 53 for avoiding the L-shaped water inlet elbow 7 is provided between the membrane seat of the first isolation membrane 41 and the pilot valve main body 51.

So design comparatively ingenious, more preferably, pilot valve main part 51 possesses the flexible end towards the play water end of L type water inlet elbow 7, can play the demand of shutoff play water end through this flexible end 511.

In one embodiment, the pilot valve body 1 includes an upper cover 11, a valve body 12, and a base 13, a first isolation diaphragm 41 is sealingly disposed between the valve body and the base, and a second isolation diaphragm 42 is sealingly disposed between the upper cover and the valve body.

The design is convenient for the equipment of guiding valve main part 1, and double-deck barrier film all possesses sealed effect better, and sealed isolation is reliable stable between each cavity.

Can discover through the above description, the utility model discloses intelligence water pressure regulation and control pilot valve possesses automatic pressure regulating mechanism to the drive demand of pressure adjustment is satisfied in the design through top cavity, and the accessible distal end carries out pressure adjustment and automatic regulation, realizes the distal end thing allies oneself with, reduces the on-the-spot degree of difficulty and risk of adjusting. The mode of adopting three chamber cooperations can utilize water pressure and atmospheric pressure to regulate and control, has reduced the drive pressure of initiative regulation, reduces the drive energy consumption simultaneously. The whole design is simple and ingenious, the regulation and control are convenient, the response is high-efficient, the production and the assembly are easy, and the method is suitable for popularization and application.

The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.

Claims

1. Intelligence water pressure regulation and control pilot valve is connected with the water supply main valve, including the pilot valve main part, its characterized in that:

2. The intelligent water pressure regulating and guiding valve as recited in claim 1, wherein:

the guide valve main body is internally provided with a regulation and control cavity which is positioned between the bottom cavity and the top cavity, the communicating elastic body is positioned in the regulation and control cavity, and the regulation and control cavity is communicated with the external atmosphere.

3. The intelligent water pressure regulating and guiding valve as recited in claim 1, wherein:

the water inlet high-pressure end comprises an L-shaped water inlet bent pipe extending into the bottom chamber, the elastic guide valve is arranged at the bottom of the L-shaped water inlet bent pipe, and the elastic guide valve is arranged opposite to the water outlet end of the L-shaped water inlet bent pipe.

4. The intelligent water pressure regulating and guiding valve as recited in claim 3, wherein:

the elastic pilot valve comprises a pilot valve main body and an elastic seat which is arranged in the bottom chamber in a sealing mode, and a door-shaped connecting piece used for avoiding the L-shaped water inlet bent pipe is arranged between the membrane seat of the first isolating membrane and the pilot valve main body.

5. The intelligent water pressure regulating and guiding valve as recited in claim 1, wherein:

the pilot valve main part includes upper cover, valve body and base, first barrier film is sealed to be set up the valve body with between the base, the sealed setting of second barrier film is in the upper cover with between the valve body.