CN215596493U

CN215596493U - Check valve with adjustable air flow

Info

Publication number: CN215596493U
Application number: CN202122071031.4U
Authority: CN
Inventors: 李鹏; 王丽英; 郑永贵
Original assignee: Qingdao Jinyuan Valve Manufacturing Co ltd
Current assignee: Qingdao Jinyuan Valve Manufacturing Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-21
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to the technical field of one-way valves, in particular to a one-way valve with adjustable air flow, which comprises a valve body, the valve body end is connected with a control sleeve, one end of the control sleeve far away from the valve body is connected with a limiting component, the limiting component consists of a baffle plate, an inner sleeve and an outer sleeve, a baffle is arranged at one end of the inner sleeve close to the control sleeve, an outer sleeve is arranged outside the inner sleeve, an adjusting plate is arranged inside the control sleeve close to the baffle, an inner cavity is arranged in the valve body, a liquid inlet is arranged at one end of the valve body, which is far away from the control sleeve, a liquid outlet is arranged at one end of the valve body, which is far away from the liquid inlet, the inner cavity is internally provided with a valve core assembly which consists of a movable sleeve, a telescopic rod, a return spring and a liquid inlet hole, and a liquid inlet hole is formed in the position, close to the liquid inlet, of the movable sleeve, a telescopic rod and a return spring are connected to the inner portion of the movable sleeve, and a mounting plate is connected to one end, far away from the movable sleeve, of the telescopic rod and the return spring.

Description

Check valve with adjustable air flow

Technical Field

The utility model relates to the technical field of one-way valves, in particular to a one-way valve with adjustable air flow.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. But the flow of the check valve is difficult to regulate.

Therefore, it is necessary to design a check valve with adjustable air flow to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a check valve with adjustable air flow, which solves the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme:

a check valve with adjustable air flow comprises a valve body, wherein a control sleeve is connected with the end of the valve body, one end of the control sleeve, which is far away from the valve body, is connected with a limiting component, the limiting component consists of a baffle plate, an inner sleeve and an outer sleeve, a baffle is arranged at one end of the inner sleeve close to the control sleeve, an outer sleeve is arranged outside the inner sleeve, an adjusting plate is arranged inside the control sleeve close to the baffle, an inner cavity is arranged in the valve body, a liquid inlet is arranged at one end of the valve body, which is far away from the control sleeve, a liquid outlet is arranged at one end of the valve body, which is far away from the liquid inlet, the inner cavity is internally provided with a valve core assembly which consists of a movable sleeve, a telescopic rod, a return spring and a liquid inlet hole, and a liquid inlet hole is formed in the position, close to the liquid inlet, of the movable sleeve, a telescopic rod and a return spring are connected to the inner portion of the movable sleeve, and a mounting plate is connected to one end, far away from the movable sleeve, of the telescopic rod and the return spring.

As the preferable scheme of the utility model, the valve body, the outer sleeve and the control sleeve are connected in a sleeved mode.

As a preferable scheme of the utility model, the baffle and the inner sleeve are of an integrated structure, and the inner sleeve and the outer sleeve are connected by screwing through threads.

As the preferable scheme of the utility model, the mounting plate is of a hollow structure, and the mounting plate and the valve body are of an integrated structure.

As the preferable scheme of the utility model, the mounting plate, the movable sleeve, the telescopic rod and the return spring are all fixedly connected.

As the preferable scheme of the utility model, the telescopic rod and the return spring are connected in a sleeved mode and are far away from the movable sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the control sleeve and the limiting assembly, the valve body, the outer sleeve and the control sleeve are connected in a sleeved mode, the baffle and the inner sleeve are in an integrated structure, the inner sleeve and the outer sleeve are connected in a screwed mode through threads, when the valve body and the outer sleeve are installed, the flow of liquid can be controlled through rotating the control sleeve, and when the control sleeve is rotated, the adjusting plate and the baffle are shielded through rotating, so that the size of a staggered through hole is adjusted, an internal flow adjusting structure is formed, the adjusting plate and a scale corresponding to the baffle are arranged outside the outer sleeve and the control sleeve, the shielding amount between the adjusting plate and the baffle can be conveniently checked, and the operation is convenient and rapid.

2. According to the utility model, through the arranged valve core assembly, the mounting plate is of a hollow structure and is convenient to discharge liquid, the mounting plate and the valve body are of an integrated structure, the mounting plate, the movable sleeve, the telescopic rod and the reset spring are fixedly connected, the telescopic rod and the reset spring are connected in a sleeved mode and are far away from the movable sleeve, during liquid feeding, the movable sleeve is driven by hydraulic pressure to move towards the mounting plate, so that the joint of the movable sleeve and the inner cavity is disconnected, liquid enters the movable sleeve through the liquid feeding hole and then enters the liquid outlet from the lower end of the movable sleeve and the mounting plate, and the valve body is of a split structure close to the mounting plate and is convenient to mount the movable sleeve.

Drawings

FIG. 1 is an overall block diagram of the present invention;

FIG. 2 is a cross-sectional view of a passage according to the present invention;

FIG. 3 is a close-up cross-sectional block diagram of the present invention;

FIG. 4 is a diagram of the construction of the condom of the present invention;

FIG. 5 is a cross-sectional view of the spacing assembly of the present invention;

fig. 6 is a sectional structure view of the control sleeve of the present invention.

In the figure: 1. a valve body; 101. a liquid inlet; 102. an inner cavity; 103. a liquid outlet; 104. mounting a plate; 2. a control sleeve; 201. an adjusting plate; 3. a limiting component; 301. a baffle plate; 302. an inner sleeve; 303. a jacket; 4. a valve core assembly; 401. a movable sleeve; 402. a telescopic rod; 403. a return spring; 404. and a liquid inlet hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, the present invention provides a technical solution:

a check valve with adjustable air flow comprises a valve body 1, wherein the end of the valve body 1 is connected with a control sleeve 2, one end of the control sleeve 2, which is far away from the valve body 1, is connected with a limiting component 3, the limiting component 3 consists of a baffle plate 301, an inner sleeve 302 and an outer sleeve 303, and one end of the inner sleeve 302 close to the control sleeve 2 is provided with a baffle 301, the outer part of the inner sleeve 302 is provided with an outer sleeve 303, the position of the inner part of the control sleeve 2 close to the baffle 301 is provided with an adjusting plate 201, the inner part of the valve body 1 is provided with an inner cavity 102, one end of the valve body 1 far away from the control sleeve 2 is provided with a liquid inlet 101, one end of the valve body 1 far away from the liquid inlet 101 is provided with a liquid outlet 103, the inner cavity 102 is internally provided with a valve core assembly 4, the valve core assembly 4 consists of a movable sleeve 401, an expansion link 402, a reset spring 403 and a liquid inlet hole 404, a liquid inlet hole 404 is formed in the position, close to the liquid inlet 101, of the movable sleeve 401, an expansion rod 402 and a return spring 403 are connected to the inner portion of the movable sleeve 401, and a mounting plate 104 is connected to one ends, far away from the movable sleeve 401, of the expansion rod 402 and the return spring 403.

An embodiment, please refer to fig. 1 and 5, valve body 1, cup joint between overcoat 303 and the control sleeve 2 and connect, formula structure as an organic whole between baffle 301 and the endotheca 302, screw through the screw thread between endotheca 302 and the overcoat 303 and connect, when valve body 1, after overcoat 303 is installed, the accessible rotates control sleeve 2 and controls the flow of play liquid, form through rotating and shelter from between regulating plate 201 and the baffle 301 when rotating control sleeve 2, thereby adjust the size of dislocation through-hole, form inside flow control structure, the outside of overcoat 303 and control sleeve 2 is equipped with the scale that regulating plate 201 and baffle 301 correspond, conveniently look over the volume of sheltering from between regulating plate 201 and the baffle 301, and convenient and fast operation.

An embodiment, please refer to fig. 1, fig. 2, fig. 3 and fig. 4, the mounting plate 104 is a hollow structure, which facilitates liquid discharge, the mounting plate 104 and the valve body 1 are of an integral structure, the mounting plate 104, the movable sleeve 401, the telescopic rod 402 and the reset spring 403 are fixedly connected, the telescopic rod 402 and the reset spring 403 are connected in a sleeved manner and away from the movable sleeve 401, when liquid is fed, the movable sleeve 401 is driven by hydraulic pressure to move towards the mounting plate 104, so that the connection between the movable sleeve 401 and the inner cavity 102 is disconnected, the liquid enters the movable sleeve 401 through the liquid inlet hole 404, and then enters the liquid outlet 103 from the lower end of the movable sleeve 401 and the mounting plate 104, the valve body 1 is close to the mounting plate 104 and is of a split structure, which facilitates the installation of the movable sleeve 401.

The working principle is as follows: during the use, because hydraulic pressure drives movable sleeve 401 and removes to mounting panel 104 direction during the feed liquor, thereby make the disconnection of movable sleeve 401 and inner chamber 102 junction, liquid gets into movable sleeve 401 inside through feed liquor hole 404, get into liquid outlet 103 from movable sleeve 401 lower extreme and mounting panel 104 again, valve body 1 is close to mounting panel 104 department for the components of a whole that can function independently structure, make things convenient for the installation of movable sleeve 401, when valve body 1, after overcoat 303 is installed, the accessible rotates control sleeve 2 and controls the flow that goes out, form through rotating to shelter from between regulating plate 201 and the baffle 301 when rotating control sleeve 2, thereby adjust the size of dislocation through-hole, form inside flow control structure, overcoat 303 and the outside of control sleeve 2 are equipped with the scale that regulating plate 201 and baffle 301 correspond, conveniently look over the volume of sheltering from between regulating plate 201 and the baffle 301, convenient operation is swift.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A check valve with adjustable air flow quantity comprises a valve body (1), and is characterized in that: valve body (1) end is connected with control housing (2), the one end that valve body (1) was kept away from in control housing (2) is connected with spacing subassembly (3), spacing subassembly (3) comprise baffle (301), endotheca (302) and overcoat (303), just the one end that endotheca (302) are close to control housing (2) is equipped with baffle (301), endotheca (302) outside is equipped with overcoat (303), inside baffle (301) department of being close to in control housing (2) is equipped with regulating plate (201), inside inner chamber (102) that is equipped with of valve body (1), the one end that control housing (2) were kept away from in valve body (1) is equipped with inlet (101), the one end that inlet (101) were kept away from in valve body (1) is equipped with liquid outlet (103), be equipped with case subassembly (4) in inner chamber (102), case subassembly (4) are by movable sleeve (401), telescopic link (402), Reset spring (403) and feed liquor hole (404) are constituteed, just movable sleeve (401) are close to inlet (101) department and are equipped with feed liquor hole (404), movable sleeve (401) internal connection has telescopic link (402) and reset spring (403), the one end that movable sleeve (401) were kept away from in telescopic link (402) and reset spring (403) is connected with mounting panel (104).

2. The check valve with adjustable air flow quantity according to claim 1, characterized in that: the valve body (1), the outer sleeve (303) and the control sleeve (2) are connected in a sleeved mode.

3. The check valve with adjustable air flow quantity according to claim 1, characterized in that: the baffle (301) and the inner sleeve (302) are of an integrated structure, and the inner sleeve (302) is in screwed connection with the outer sleeve (303) through threads.

4. The check valve with adjustable air flow quantity according to claim 1, characterized in that: the mounting plate (104) is of a hollow structure, and the mounting plate (104) and the valve body (1) are of an integrated structure.

5. The check valve with adjustable air flow quantity according to claim 1, characterized in that: the mounting plate (104), the movable sleeve (401), the telescopic rod (402) and the return spring (403) are all fixedly connected.

6. The check valve with adjustable air flow quantity according to claim 1, characterized in that: the telescopic rod (402) and the return spring (403) are connected in a sleeved mode and are far away from the movable sleeve (401).