CN203500493U - Hydraulic automatic control valve - Google Patents

Hydraulic automatic control valve Download PDF

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Publication number
CN203500493U
CN203500493U CN201320648687.0U CN201320648687U CN203500493U CN 203500493 U CN203500493 U CN 203500493U CN 201320648687 U CN201320648687 U CN 201320648687U CN 203500493 U CN203500493 U CN 203500493U
Authority
CN
China
Prior art keywords
valve
liquid
spring
control valve
diaphragm
Prior art date
Application number
CN201320648687.0U
Other languages
Chinese (zh)
Inventor
项有钤
项光宽
项光远
Original Assignee
温州市中宝阀门制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 温州市中宝阀门制造有限公司 filed Critical 温州市中宝阀门制造有限公司
Priority to CN201320648687.0U priority Critical patent/CN203500493U/en
Application granted granted Critical
Publication of CN203500493U publication Critical patent/CN203500493U/en

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Abstract

The utility model relates to a hydraulic automatic control valve which comprises a valve body with a liquid inlet and a liquid outlet. A liquid flow channel is formed between the liquid inlet and the liquid outlet, a valve clack is arranged in the valve body, the valve clack is mounted on a valve rod in the valve body, a sealing ring is arranged at the lower end of the valve clack, a sealing pressing ring is arranged at the lower end of the sealing ring, a diaphragm piece is arranged at the upper end of the valve clack, and the upper end of the diaphragm piece is connected with a diaphragm piece platen. A spring is mounted on the rear portion of the valve rod, one end of the spring is connected into a groove in the upper end of the diaphragm piece platen, the other end of the spring is connected into a valve cover, and a valve rod copper sleeve is mounted between the valve cover and the rear end of the valve rod. A hydraulic principle is used for controlling the hydraulic control valve, the structure is simple, working is stable and reliable, opening is flexible within a working pressure range, water hammer impacting is avoided, mounting and maintaining are convenient, the accuracy of liquid level control is high, water levels do not vary along with variation of medium pressure, tightness is achieved, water can not be leaked, and the hydraulic automatic control valve is flexible and durable.

Description

A kind of hydraulic automatism control valve

Technical field

The utility model relates to valve field, relates in particular to a kind of hydraulic automatism control valve.

Background technique

At present, hydraulic automatism control valve is generally used for the various water tanks (pond) in industrial and mining enterprise, civil building, the automatic water supply system of water tower, and can be used as normal-pressure boiler circulating water control valve.It comprises the liquid chunnel that liquid entering hole and liquid outlet form, and is provided with the sealed mouth of sealing fluid circulation road while being convenient to cut off in liquid chunnel.Hydraulic control valve complex structure of the prior art, works not steady, in range of working pressure, opens inconvenience, is prone to impact of water hammer, and liquid level control accuracy is low.

Model utility content

The utility model, in order to overcome deficiency of the prior art, provides the internal drainage type Pilot operated check valve that a kind of push rod reset is reliable, be active in one's movements.

The utility model is to be achieved through the following technical solutions:

A kind of hydraulic automatism control valve, comprise the valve body that is provided with liquid entering hole and liquid outlet, between liquid entering hole and liquid outlet, form liquid chunnel, in valve body, be provided with flap, described flap is arranged on the valve rod in valve body, the lower end of described flap is provided with seal ring, the lower end of described seal ring is provided with seal joint, upper end at flap is provided with diaphragm, the upper end of described diaphragm is connected with diaphragm platen, the back segment of described valve rod is provided with spring, one end of spring is connected in the groove of diaphragm platen upper end, the other end is connected in valve gap, between valve gap and the rear end of valve rod, valve rod copper sheathing is installed.

As optimal technical scheme of the present utility model, the upper end of described valve gap is connected with suspension ring, and described suspension ring are arranged on the upper end of valve gap by screw thread.

As optimal technical scheme of the present utility model, the liquid entering hole of described valve body and liquid outlet runner adopt horizontal flow linear flow road, the latus rectum sizableness of described liquid entering hole and liquid outlet.

Compared with prior art, the beneficial effects of the utility model are: the hydraulic control valve that the utility model provides uses hydraulic principle to control, novel structure, advantages of simple, and stable working is reliable, in range of working pressure, open flexibly, without impact of water hammer, convenient for installation and maintenance, liquid level control accuracy is high, water level is not subject to the variation of pressure medium and change and the tight good characteristics such as water-tight, flexible durable.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Embodiment

In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Refer to Fig. 1, Fig. 1 is structural representation of the present utility model.

Described a kind of hydraulic automatism control valve, comprise the valve body 1 that is provided with liquid entering hole and liquid outlet, between liquid entering hole and liquid outlet, form liquid chunnel, the liquid entering hole of described valve body 1 and liquid outlet runner adopt horizontal flow linear flow road, the latus rectum sizableness of described liquid entering hole and liquid outlet.In valve body 1, be provided with flap 4, described flap 4 is arranged on the valve rod 5 in valve body 1, the lower end of described flap 4 is provided with seal ring 3, the lower end of described seal ring 3 is provided with seal joint 2, in the upper end of flap 4, be provided with diaphragm 6, the upper end of described diaphragm 6 is connected with diaphragm platen 7, the back segment of described valve rod 5 is provided with spring 8, one end of spring 8 is connected in the groove of diaphragm platen 7 upper ends, the other end is connected in valve gap 9, between valve gap 9 and the rear end of valve rod 5, valve rod copper sheathing 10 is installed, the upper end of described valve gap 9 is connected with suspension ring 11, described suspension ring 11 are arranged on the upper end of valve gap 9 by screw thread.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (3)

1. a hydraulic automatism control valve, comprise the valve body (1) that is provided with liquid entering hole and liquid outlet, between liquid entering hole and liquid outlet, form liquid chunnel, in valve body (1), be provided with flap (4), described flap (4) is arranged on the valve rod (5) in valve body (1), it is characterized in that, the lower end of described flap (4) is provided with seal ring (3), the lower end of described seal ring (3) is provided with seal joint (2), in the upper end of flap (4), be provided with diaphragm (6), the upper end of described diaphragm (6) is connected with diaphragm platen (7), the back segment of described valve rod (5) is provided with spring (8), one end of spring (8) is connected in the groove of diaphragm platen (7) upper end, the other end is connected in valve gap (9), between valve gap (9) and the rear end of valve rod (5), valve rod copper sheathing (10) is installed.
2. a kind of hydraulic automatism control valve according to claim 1, is characterized in that, the upper end of described valve gap (9) is connected with suspension ring (11), and described suspension ring (11) are arranged on the upper end of valve gap (9) by screw thread.
3. a kind of hydraulic automatism control valve according to claim 2, is characterized in that, the liquid entering hole of described valve body (1) and liquid outlet runner adopt horizontal flow linear flow road, the latus rectum sizableness of described liquid entering hole and liquid outlet.
CN201320648687.0U 2013-10-21 2013-10-21 Hydraulic automatic control valve CN203500493U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320648687.0U CN203500493U (en) 2013-10-21 2013-10-21 Hydraulic automatic control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320648687.0U CN203500493U (en) 2013-10-21 2013-10-21 Hydraulic automatic control valve

Publications (1)

Publication Number Publication Date
CN203500493U true CN203500493U (en) 2014-03-26

Family

ID=50331473

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320648687.0U CN203500493U (en) 2013-10-21 2013-10-21 Hydraulic automatic control valve

Country Status (1)

Country Link
CN (1) CN203500493U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191637A (en) * 2017-04-28 2017-09-22 防城港市水利工程技术管理站 Irrigation control valve
CN107255182A (en) * 2017-04-28 2017-10-17 防城港市水利工程技术管理站 The irrigation control valve of hydraulic control Opening pressure
CN108757990A (en) * 2018-07-12 2018-11-06 上海核阀门股份有限公司 Can remote overhauling diaphragm valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191637A (en) * 2017-04-28 2017-09-22 防城港市水利工程技术管理站 Irrigation control valve
CN107255182A (en) * 2017-04-28 2017-10-17 防城港市水利工程技术管理站 The irrigation control valve of hydraulic control Opening pressure
CN108757990A (en) * 2018-07-12 2018-11-06 上海核阀门股份有限公司 Can remote overhauling diaphragm valve

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Legal Events

Date Code Title Description
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20141021