CN208651718U - A kind of valve body structure for gas-liquid isolation one-way conduction - Google Patents

Abstract

The utility model discloses a kind of valve body structures for gas-liquid isolation one-way conduction, it includes the blowdown valve of check valve and controllable conduction, the blowdown valve is arranged in one and is filled in the tube body of high-pressure sewage, blowdown valve has a blowdown port freely opened, the blowdown port of blowdown valve is connected with the port of check valve, by the way that blowdown apparatus is combined with check valve body device, sewage prevents from flowing backwards after check valve is discharged, there is very big interactivity with cleaning type aeration film device, two-way interaction has reached good automation effect.

Description

A kind of valve body structure for gas-liquid isolation one-way conduction

Technical field

The utility model relates to valve body fields, more particularly, to one kind for being used for check valve body structure.

Background technique

Aerating system refers to being sunken to the gas circuit structure being persistently aerated in pond body, and large-scale aerating system is generally used Aeration tube carries out aeration work, but surface is easy to be etched aeration tube in use, and one kind exists in the prior art The aeration tube self-cleaning system that pipeline inner wall is rinsed using highly pressurised liquid, but in the prior art not yet to flushing after How clean water, which is discharged, carries out a technical solution, therefore how will guarantee self-cleaning function and its service life of aerating pipelines, such as What guarantees that the normal discharge of discarded sewage just becomes a problem.

Utility model content

Purpose of utility model is difficult to be discharged for above-mentioned discarded sewage, it is therefore desirable to a kind of novel to be conducive to emptying Valve body structure, the valve body structure can be used in conjunction in use with gas, in evacuation procedure with high pressure gas or liquid Body isolation, barriering effect is good, and interaction effect is good.

The utility model is realized by the following technical solutions for above-mentioned problem to be solved in the utility model: a kind of Valve body structure for gas-liquid isolation one-way conduction comprising the blowdown valve of check valve 1 and controllable conduction, the blowdown valve It is arranged in one to be filled in the tube body 2 of high-pressure sewage, blowdown valve has a blowdown port freely opened, the blowdown end of blowdown valve Mouth is connected with the port of check valve.

Further, the blowdown valve includes the first slip shaft 4a, the first blocking 4d and slides for pressure pipe, described first It moves axis to be fitted in one heart in the first beam barrel, cuff has sealing ring on the first slip shaft, and sealing ring 4c separates the first beam barrel For front axle area and rear axle area, described being located in rear axle area is coaxially fitted with spring 4b with the first slip shaft, described for pressure pipe It is connected with front axle area, first blocking is arranged on the extension end of the first slip shaft, and the first blocking and blowdown port are just It is right.

Further, further include guiding trestle, axis hole is provided on the guiding trestle, the first slip shaft passes through guiding branch Axis hole on frame.

Further, the blowdown valve includes the second slip shaft 2a, quill 2b, is located in tube body and is equipped with a chuck 2d, chuck are equipped with the opening for allowing sewage to pass through, and the second slip shaft sliding is fitted in quill, the second slip shaft Extension end pass through chuck, be coaxially fitted with push the spring 2f on the second slip shaft, the both ends of push the spring respectively with card Disk and the second slip shaft are fixedly connected, and the quill has one section of axle body being made of hose 2c, are located at the second slip shaft Extension end be fitted with the second blocking 2e, the second blocking and blowdown port face.

Further, it is rectangular that the tube body, which is the cylinder-shaped or tube body,.

Further, second slip shaft is equipped with a convex edge, and push the spring is provided between convex edge and chuck.

The utility model has the advantages that in terms of existing technologies

By using a kind of high-pressure medium, the mode of the physics open and close of driving switch carries out discontinuously sewage draining exit Open and close, overall effect is good, it is not necessary that additional motor is arranged in pool bottom, thus substantially increases the longevity of the present apparatus Life.

The present apparatus is all using usual part, such as sealing ring.Spring realizes the function of piston type open and close, leads to The mode crossed in top compression carrys out control device, ensures that the durability of base assemblies and driving device are easy to mutual in this way It is transsexual, greatly reduce equipment cost, reduce technology barrier, by it is a kind of it is friendly, convenient, be simple and efficient in a manner of guarantee into This, control function, this is also a big advantage of the present apparatus.

By combining blowdown apparatus with check valve body device, sewage prevents from flowing backwards after check valve is discharged, and clear Clean formula aeration film device has very big interactivity, and two-way interaction has reached good automation effect.

Detailed description of the invention

Fig. 1 is the 1st example structure schematic diagram of the utility model.

Fig. 2 is the 1st embodiment schematic diagram of internal structure of the utility model.

Fig. 3 is the 2nd example structure schematic diagram of the utility model.

Fig. 4 is the 2nd embodiment schematic diagram of internal structure of the utility model.

Fig. 5 is the 3rd example structure schematic diagram of the utility model.

Wherein, check valve 1, tube body 2, the first slip shaft 4a, spring 4b, sealing ring 4c, the first blocking 4d, the second slip shaft 2a, quill 2b, hose 2c, chuck 2d, second blocking 2e, push the spring 2f, lever 3b, compressed spring 3c, telescoping tube 3a, Go up and down baffle 3d.

Specific embodiment

The utility model is described further below in conjunction with attached drawing 1 to attached drawing 5:

Embodiment 1, such as Fig. 1 and Fig. 4 as it can be seen that a kind of valve body structure for gas-liquid isolation one-way conduction comprising unidirectional The blowdown valve of valve 1 and controllable conduction, the blowdown valve are arranged in one and are filled in the tube body 2 of high-pressure sewage, and blowdown valve has one The blowdown port of the blowdown port freely opened, blowdown valve is connected with the port of check valve, and the blowdown valve includes first Slip shaft 4a, the first blocking 4d and for pressure pipe, first slip shaft is fitted in one heart in the first beam barrel, is located at the first sliding Cuff has sealing ring on axis, and the first beam barrel is divided into front axle area and rear axle area by sealing ring 4c, is located at sliding with first in rear axle area Move axis it is opposite be coaxially fitted with spring 4b, described to be connected for pressure pipe and front axle area, described first blocking is arranged the On the extension end of one slip shaft, the first blocking and blowdown port face further include guiding trestle, are provided on the guiding trestle Axis hole, the first slip shaft pass through the axis hole on guiding trestle.

The working principle of embodiment 1 is described further below:

In use, the first slip shaft 4a can be pushed by spring 4b, first connected on the first slip shaft at this time Blocking can shut blowdown port, at this time for being passed through high-pressure medium in pressure pipe, will push sealing ring return, at this time compressed spring 4b And the first blocking return is carried, blowdown port is got out of the way in the first blocking, and the sewage in tube body 2 can pass through check valve and be flowed outward to arrange Out.

Embodiment 2 provides a kind of valve body structure for gas-liquid isolation one-way conduction, packet as shown in Figures 2 and 3 The blowdown valve of check valve 1 and controllable conduction is included, the blowdown valve is arranged in one and is filled in the tube body 2 of high-pressure sewage, blowdown valve The blowdown port of the blowdown port freely opened with one, blowdown valve is connected with the port of check valve, the blowdown valve packet The second slip shaft 2a, quill 2b are included, a chuck 2d is configured in tube body, chuck is opened equipped with what permission sewage passed through Mouthful, the second slip shaft coaxially slide is fitted in quill, and the joint of quill 2b and the second slip shaft is equipped with anti- Leak sealing rubber ring, quill 2b are fixedly connected with the second slip shaft, and the extension end of the second slip shaft passes through chuck, are located at second Push the spring 2f is coaxially fitted on slip shaft, the both ends of push the spring are fixedly connected with chuck and the second slip shaft respectively, just Push the spring 2f will push the second slip shaft to the second blocking and shut chuck under beginning state, and the quill is with one section by soft The axle body of pipe 2c composition is fitted with the second blocking 2e, the second blocking and blowdown port face positioned at the extension end of the second slip shaft. Second slip shaft is equipped with a convex edge, and push the spring is provided between convex edge and chuck.

The working principle of embodiment 2 is described further below:

The second slip shaft side can be pushed and make it away from chuck by push the spring 2f in the initial state, when the second slip shaft The opening that the second blocking is just blocked on chuck when being pushed into limit is passed through high pressure in quill 2b at this time to shut chuck Dielectric gas or liquid, the hose on quill 2b can gradually extend, and spreading process middle sleeve axis is progressively longer and pushes second Slip shaft Forward, the second blocking get out of the way the opening on chuck to guarantee to manage intracorporal sewage and can continue to flow out.

Embodiment 3: a kind of lever valve body structure for gas-liquid isolation one-way conduction, including check valve 1, blowdown are provided Valve and high pressure tube body, high pressure tube body 2 have sewage draining exit, the outer end of sewage draining exit be connected with the port of check valve with external environment One-way conduction, blowdown valve setting is in sewage draining exit side, blowdown valve controllable conduction or closing sewage draining exit；

The blowdown valve includes lever, compressed spring and telescoping tube, and lever is arranged using pivot as fulcrum in high-voltage tube In body 2, it is respectively retraction area and breathing zone that lever is divided with pivot axial sides, and one end connection of lever goes up and down baffle, lever The other end is connected with the telescoping tube extended vertically, and the telescoping tube goes up and down baffle lifting by extension and contraction control to be connected or close Sewage draining exit is closed, the retraction area of lever is connected with spring, and spring is connected on the inner wall of high pressure tube body, and telescoping tube is by the flexible of lever Area is connected to the inner wall of high pressure tube body 2, and the lifting baffle is connected by bending bar with one end of lever, and lifting baffle is just To sewage draining exit.

Above-described embodiment 1 and embodiment 2 and everything goes well that the tube body mentioned in 3 is that cylinder-shaped or described tube body is It is rectangular.

Claims (7)

1. a kind of valve body structure for gas-liquid isolation one-way conduction, it is characterised in that: including check valve (1), blowdown valve and height Pressure pipe body, high pressure tube body (2) have sewage draining exit, and the outer end of sewage draining exit is connected with unidirectional with external environment with the port of check valve Conducting, blowdown valve setting is in sewage draining exit side, blowdown valve controllable conduction or closing sewage draining exit；

The blowdown valve includes the first slip shaft (4a), the first beam barrel, the first blocking (4d) and slides for pressure pipe, described first It moves axis to be fitted in one heart in the first beam barrel, the movable end of the first slip shaft is arranged in the first blocking, for pressure pipe and the first beam barrel Inner cavity is wanted to connect, and manages the first slip shaft of system by pressure supply and slides in the first beam barrel to be switched on or off sewage draining exit.

2. a kind of valve body structure for gas-liquid isolation one-way conduction according to claim 1, it is characterised in that: first Sealing sliding circle (4c) is fitted on slip shaft, the inner cavity of the first beam barrel is divided into front axle area and rear axle by sealing sliding circle (4c) Area is coaxially fitted with spring (4b) in the first slip shaft in rear axle area, for feeding height in the front axle area of the first beam barrel Calm the anger body for pressure pipe, positioned at equipped first blocking in the extension end of the first slip shaft, the first blocking and blowdown port face.

3. a kind of valve body structure for gas-liquid isolation one-way conduction according to claim 2, it is characterised in that: further include Guiding trestle, the guiding trestle are fixed on the inner wall of high pressure tube body (2), and the first slip shaft passes through what guiding trestle was reserved Axis hole.

4. a kind of valve body structure for gas-liquid isolation one-way conduction, it is characterised in that: including check valve (1), blowdown valve and height Pressure pipe body, high pressure tube body (2) have sewage draining exit, and the outer end of sewage draining exit is connected with unidirectional with external environment with the port of check valve Conducting, blowdown valve setting is in sewage draining exit side, blowdown valve controllable conduction or closing sewage draining exit；

The blowdown valve includes lever (3b), compressed spring (3c) and telescoping tube (3a), one end connection lifting baffle of lever (3d), the other end of lever are connected with the telescoping tube extended vertically, and the telescoping tube goes up and down baffle by extension and contraction control and goes up and down To be switched on or off sewage draining exit.

5. it is according to claim 4 it is a kind of for gas-liquid isolation one-way conduction valve body structure, it is characterised in that: lever with Pivot is arranged in high pressure tube body (2) as fulcrum, and it is respectively retraction area and breathing zone that lever is divided with pivot axial sides, stretches Pipe is connected to the inner wall of high pressure tube body (2) by the breathing zone of lever, and the retraction area of lever is connected with spring, the lifting baffle It is connected by bending bar with one end of lever.

6. a kind of valve body structure for gas-liquid isolation one-way conduction, it is characterised in that: including check valve (1), blowdown valve and height Pressure pipe body, high pressure tube body (2) have sewage draining exit, and the outer end of sewage draining exit is connected with unidirectional with external environment with the port of check valve Conducting, company of the blowdown valve setting between sewage draining exit side, blowdown valve controllable conduction or closing high pressure tube body (2) and sewage draining exit It connects；

The blowdown valve includes quill (2b) and second flap, is located in high pressure tube body (2) and is equipped with a chuck (2d), sleeve Axis (2b) passes through chuck, and chuck is equipped with the opening for allowing sewage to pass through, and the extension end of quill (2b) connects second flap, institute The quill stated has one section of axle body be made of hose (2c), the hose (2c) extension and contraction control chuck slide to be connected or Person closes chuck.

7. a kind of valve body structure for gas-liquid isolation one-way conduction according to claim 6, it is characterised in that: further include Second slip shaft, second slip shaft pass through the center of chuck (2d), and the sliding of the second slip shaft is fitted in quill, Second slip shaft is equipped with a convex edge, is provided with push the spring between convex edge and chuck, the both ends of push the spring respectively with chuck It is fixedly connected with the second slip shaft, the quill has one section of axle body being made of hose (2c), the inlet end of quill It is connected with high-voltage tube, is fitted with second flap (2e) positioned at the extension end of the second slip shaft, second flap and blowdown port are just It is right.