CN2232102Y

CN2232102Y - Hydraulic cut-off device

Info

Publication number: CN2232102Y
Application number: CN 95237270
Authority: CN
Inventors: 杨纪光; 黄云业; 欧阳吉如
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-25
Filing date: 1995-07-25
Publication date: 1996-07-31
Anticipated expiration: 2005-07-25

Abstract

The utility model relates to a hydraulic cut-off device, composed of a three-way pipe (1) and two check valves (2), (3). Both end heads of the three-way pipe (1) are provided with check valves (2), (3), and universal driving shafts (4), (5) are installed on the center line of a straight-through valve clack (6) and a check valve clack (7) of the three-way pipe (1). When the water pump (20) is stopped, the utility model can close automatically, the hydraulic bidirectional stopping is formed, water of an elevated water tank (11), a pneumatic tank (14) and a distribution system (15) can not flow into an air supply tank, and air can enter into the air supply tank (12). The normal operation of an automatic neumatic water supply installation can be ensured. The utility model has the advantages of economy, practicality, energy saving, safety and convenient management.

Description

The waterpower cut-off device

A kind of two-way shut off valve door device that is applied on the waterpipe belongs to mechanical engineering.

Current, the water supply flow process of gas compensating type automatic air pressure water work generally all requires the highest water level of water tank should be lower than the bottom of air supply tank, so that air supply tank can air inlet after the termination of pumping, for turn on pump next time can carry out tonifying Qi to barometric tank.But in actual applications, usually run into the water tank highest water level and be higher than the air supply tank top, air supply tank can not air inlet after termination of pumping, can not carry out tonifying Qi to barometric tank during turn on pump next time, thereby gives and install and use causes a lot of difficulties.The common at present way that solves: a kind of is that air supply tank is increased to more than the highest water storage of the water tank position, but it is all inconvenient on installing and managing, another kind is at the other break pressure cistern of establishing of water pump, and with the water elder generation inflow break pressure cistern of elevated tank, water pump directly absorbs water from break pressure cistern.But this method not only wastes energy but also increase investment, and another is to adopt solenoid valve, but the reliable degree of solenoid valve is relatively poor.

The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of waterpower cut-off device is provided.

The design of the utility model waterpower cut-off device, thoroughly solve gas compensating type automatic water supply device air supply tank and be not subjected to the restriction just of water tank highest water level, after termination of pumping, the flap that utilizes the pressure difference of the pressure of pipe network and barometric tank and elevated tank and promote this device is closed simultaneously, make the water of both direction all can not enter air supply tank, and the water in the air supply tank is after automatic drain valve is discharged, and Aspirating valves is opened automatically and made the air supply tank air inlet.

The utility model has not only solved the deficiency of aforesaid three kinds of methods, the purpose that can also reach economic, practical, energy-conservation, safety and be convenient to manage.The place that can be used for the two-way cutout of other liquid needs in addition.

Structure of the present utility model (is seen accompanying drawing 1, accompanying drawing 2) forms by three-way pipe or many siphunculus (1) and safety check (2), (3), straight-through two-end part at three-way pipe or many siphunculus (1), safety check (2) and safety check (3) are housed, on the flap (6) of safety check, (7) center line, couple axle (4), (5) are housed again, at two couple axle touching positions, be provided with adjusting nut (8).Because these two safety check (2), the flap (6) of (3), (7) opening direction unanimity, when closing, by the promotion of couple axle (4), (5), also close by flap (6) being stressed the difference effect for flap (7), forms synchronously whole.In addition, use connecting means of the present utility model is as follows: an end safety check (2) is communicated with pumping line (21); The other end safety check (3) is communicated with the gas pressure water tank (14) and the distribution system of water supply (15); And top bypass ends (9) then is communicated with the intake pipe (19) of air supply tank (12).When water pump operation, after water flows into the utility model, one tunnel input distribution system of water supply (15) and barometric tank (14); Another road input air supply tank (12), air in the air supply tank is pressed into gas pressure water tank (14) together, Aspirating valves this moment (17) is in closed condition, when water pump is out of service, safety check (2), (3) are closed, the water of barometric tank and the water of elevated tank can not flow back in the air supply tank, and the utility model forms the two-way cutout of waterpower.

Description of drawings:

Fig. 1, waterpower cut-off device structural drawing.

Wherein: three-way pipe or many siphunculus ... (1)

Safety check ... (2), (3)

Couple axle ... (4), (5)

Flap ... (6), (7)

Adjusting nut ... (8)

The top bypass ends ... (9)

Fig. 2, waterpower cut-off device water supply flow chart

Wherein: water pump suction pipe ... (10)

Water tank ... (11)

Air supply tank ... (12)

The waterpower cut-off device ... (13)

Gas pressure water tank ... (14)

The distribution system of water supply ... (15)

Safety check ... (16)

Aspirating valves ... (17)

Automatic drain valve ... (18)

The air supply tank intake pipe ... (19)

Water pump ... (20)

Pumping line ... (21)

The utility model embodiment (seeing accompanying drawing 1, accompanying drawing 2) is as follows:

One, gets steel three-way pipe (1) and two safety check (2), (3) that diameter is DN50 that a diameter is DN50, make two stainless couple axles of φ 14 * 260mm (4), (5) again, and process two of two stainless steel M14 adjusting nuts (8) and stainless steel M14 set screw nuts thereof, assemble by Fig. 1.In when assembling, first wife's axle of flap (6), (7) is taken off, with couple axle (4), (5) and adjusting nut (8) for it.

Two, connecting means of the present utility model is as follows: an end safety check (2) is communicated with the outlet pipe (21) of water pump; The other end safety check (3) is communicated with the gas pressure water tank (14) and the distribution system of water supply (15); The top bypass ends then is communicated with the intake pipe (19) of air supply tank.Like this, when water pump (20) was out of service, flap (6), (7) were closed and are reached the two-way cutout purpose of waterpower.

Claims

1, waterpower cut-off device, it is made up of three-way pipe or many siphunculus (1) and safety check (2), (3), the two ends that it is characterized in that the straight-through part of three-way pipe or many siphunculus (1), safety check (2) and safety check (3) are housed, on the flap (6) of safety check (2), (3), (7) center line, couple axle (4), (5) are housed again,, are provided with adjusting nut (8) at two couple axles (4), (5) touching position.

2, waterpower cut-off device according to claim 1, an end safety check (2) that it is characterized in that waterpower cut-off device (13) is communicated with pumping line (21), the other end safety check (3) is communicated with the barometric tank (14) and the distribution system of water supply (15), and top bypass ends (9) then is communicated with the intake pipe (19) of air supply tank (12).