CN220488390U - Liquid constant flow control device - Google Patents

Liquid constant flow control device Download PDF

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Publication number
CN220488390U
CN220488390U CN202322150905.4U CN202322150905U CN220488390U CN 220488390 U CN220488390 U CN 220488390U CN 202322150905 U CN202322150905 U CN 202322150905U CN 220488390 U CN220488390 U CN 220488390U
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China
Prior art keywords
liquid
main body
groups
device main
inlet valve
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CN202322150905.4U
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Chinese (zh)
Inventor
陈志刚
魏波
贺文龙
许湘
贺显恒
王葵
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Hunan Jianfeng Laser Medical Technology Co ltd
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Hunan Jianfeng Laser Medical Technology Co ltd
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Abstract

The utility model relates to the technical field of liquid flow control devices, in particular to a liquid constant flow control device, which comprises a device main body, wherein a control pipe is arranged in the device main body, a liquid outlet valve is fixedly arranged at the bottom of the device main body, a liquid inlet valve is fixedly arranged on the front surface of the device main body, a normally closed air inlet valve is fixedly arranged at the top of the device main body and in front of the control pipe, and the device main body is connected with the liquid outlet valve and the liquid inlet valve through connecting mechanisms; the connecting mechanism comprises two groups of connecting male heads, the two groups of connecting male heads are respectively and fixedly connected to the liquid outlet valve, the liquid inlet valve and the normally closed air inlet valve and are positioned at one end close to the device main body, a first sealing ring is sleeved on the outer side of the connecting male heads, and metal connecting sleeves are arranged on the outer side of the device main body and at positions corresponding to the two groups of connecting male heads.

Description

Liquid constant flow control device
Technical Field
The utility model relates to the technical field of liquid flow control devices, in particular to a liquid constant flow control device.
Background
At present, in the production process of enterprises under some working conditions, liquid flow injection is needed, such as industries of smelting, chemical industry, petroleum exploitation and the like, in the liquid flow injection process, the flow is needed to be controlled according to certain technological requirements, such as the technical requirement of constant flow water injection, and the traditional flow control mode is to manually adjust the size of a valve to control the flow, so that the labor intensity is high and the precision is low; particularly, under the high-pressure environment, such as high-pressure water injection in the petroleum exploitation process, the water injection time is long, the pressure is high, and the valve is frequently manually adjusted, so that the valve is easy to leak, the service life of the valve is shortened, a plurality of potential safety hazards exist, and the life safety of operators is threatened; in addition, the existing pipeline flow regulating valves have a plurality of defects, such as turbulent flow phenomenon of fluid after high-pressure liquid is regulated by the valves, pressure fluctuation is caused, and the regulating resistance of the valves is large due to large pressure difference;
through retrieval, bulletin number: CN605786571U discloses a liquid constant flow control device, which relates to the technical field of liquid flow control devices; the device comprises a sealed container, wherein a control tube with threads in the axial direction is arranged at the top of the sealed container; the lower end of the control tube is positioned at the bottom of the cavity of the sealed container, and the upper part of the control tube is in sealing connection with the sealed container by virtue of threads; the upper end of the control tube is positioned outside the sealed container and is fixed with a rotating wheel; the bottom of the sealing container is communicated with a liquid outlet valve, and the top of the sealing container is communicated with a liquid inlet valve; the device has the beneficial effects that the device controls the liquid at the bottom of the sealed container to keep constant pressure by utilizing the atmospheric pressure, has exquisite structure and simple control, and reduces the labor intensity of workers;
with respect to the related art described above, the following drawbacks still exist during use: the liquid outlet valve, the air inlet valve and the device main body are of an integrated structural design, so that a user cannot conveniently install and detach the device, liquid is easy to corrode the device after long-term use, the problem that the liquid outlet valve and the liquid inlet valve fail due to aging and water leakage is easy to cause too high maintenance cost and short service life is solved, and therefore the improvement of the conventional constant current control device is particularly important in designing a novel constant current control device to change the technical defects and improve the practicability of the integral constant current control device.
Disclosure of Invention
The utility model aims to provide a liquid constant flow control device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the liquid constant-current control device comprises a device main body, wherein a control pipe is arranged in the device main body, a liquid outlet valve is fixedly arranged at the bottom of the device main body, a liquid inlet valve is fixedly arranged on the front surface of the device main body, a normally closed air inlet valve is fixedly arranged at the top of the device main body and in front of the control pipe, and the device main body is connected with the liquid outlet valve and the liquid inlet valve through connecting mechanisms;
the connecting mechanism comprises two groups of connecting male heads, the two groups of connecting male heads are respectively and fixedly connected to the liquid outlet valve, the liquid inlet valve and the normally closed air inlet valve and are located at one end close to the device main body, a first sealing ring is sleeved on the outer side of the connecting male heads, and metal connecting sleeves are arranged on the outer side of the device main body and located at positions corresponding to the two groups of connecting male heads.
As a preferable scheme of the utility model, a second sealing ring is arranged in the metal connecting sleeve and positioned at the top of the connecting male head, a connecting female head is arranged in the second sealing ring, and a spring is sleeved in the metal connecting sleeve and positioned at the outer side of the connecting female head.
As a preferable scheme of the utility model, the first sealing ring and the second sealing ring are in O-shaped structural design, and the inner structural sizes of the two groups of first sealing rings are respectively and correspondingly installed with the outer structural sizes of the two groups of connecting male heads.
As a preferable scheme of the utility model, the first sealing ring and the second sealing ring are both made of rubber materials, and the outer structural sizes of the two groups of second sealing rings are respectively and correspondingly installed with the inner structural sizes of the two groups of metal connecting sleeves.
As a preferable scheme of the utility model, the liquid outlet valve, the liquid inlet valve and the two groups of metal connecting sleeves are respectively connected in a threaded manner, and sealant is injected into the metal connecting sleeves.
As a preferable scheme of the utility model, the top of the control tube is fixedly connected with a rotating wheel, and the control tube is connected with the device main body in a threaded manner.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the design of the device main body, the liquid inlet valve, the liquid outlet valve and the connecting mechanism, a multi-layer sealing structure is formed in the connecting part between the liquid inlet valve and the liquid outlet valve and the device main body, so that the situation of liquid leakage is avoided, meanwhile, through multi-layer sealing, the liquid inlet valve and the liquid outlet valve are required to be protected in long-term working, the application scene requirements of long-term use of the liquid inlet valve and the liquid outlet valve are met, and the long-term stable working of products is ensured.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic perspective view of a connecting mechanism according to the present utility model;
fig. 3 is a perspective view showing a split structure of the connecting mechanism of the present utility model.
In the figure: 1. a device body; 2. a control tube; 201. a rotating wheel; 3. a liquid outlet valve; 4. a liquid inlet valve; 5. a normally closed intake valve; 6. a connecting mechanism; 601. connecting a male head; 602. a first seal ring; 603. a metal connection sleeve; 604. a second seal ring; 605. connecting the female head; 606. and (3) a spring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Examples:
aiming at the defects of the prior art, the utility model aims to provide a liquid constant flow control device which aims at solving the technical problems that in the prior art, a liquid outlet valve, an air inlet valve and a device main body are in an integrated structural design, so that a user cannot conveniently install and detach the liquid constant flow control device, meanwhile, after the liquid constant flow control device is used for a long time, the liquid constant flow control device is easy to corrode, and the liquid outlet valve and the liquid inlet valve are easy to fail due to ageing and water leakage problems, so that the maintenance cost is too high and the service life is shorter.
Referring to fig. 1-3, the present utility model provides a technical solution:
the liquid constant-current control device comprises a device main body 1, wherein a control pipe 2 is arranged in the device main body 1, a liquid outlet valve 3 is fixedly arranged at the bottom of the device main body 1, a liquid inlet valve 4 is fixedly arranged on the front surface of the device main body 1, a normally closed air inlet valve 5 is fixedly arranged at the top of the device main body 1 and in front of the control pipe 2, and the device main body 1 is connected with the liquid outlet valve 3 and the liquid inlet valve 4 through a connecting mechanism 6;
further, firstly, the device main body 1 is placed at a designated position, the control pipe 2 is installed in the device main body 1, the normally closed air inlet valve 5 is installed at the top of the device main body 1, the liquid outlet valve 3 is installed at the bottom of the device main body 1, the liquid inlet valve 4 is installed at the front of the device main body 1, the liquid inlet valve 4 and the liquid outlet valve 3 are respectively connected with the device main body 1 through the connecting mechanism 6, the connecting mechanism 6 comprises two groups of connecting male heads 601, the two groups of connecting male heads 601 are respectively fixedly connected with the liquid outlet valve 3, the liquid inlet valve 4 and the inside of the normally closed air inlet valve 5 and are positioned near one end of the device main body 1, a first sealing ring 602 is sleeved outside the connecting male heads 601, metal connecting sleeves 603 are respectively arranged at positions of the outer side of the device main body 1 and corresponding to the two groups of connecting male heads 601, a second sealing ring 604 is installed inside the metal connecting sleeves 603 and at the top of the connecting male heads 601, the inside of the second sealing ring 604 is provided with a connecting female head 605, the inside of the metal connecting sleeve 603 and the outside of the connecting female head 605 are sleeved with springs 606, the first sealing ring 602 and the second sealing ring 604 are of O-shaped structure design, the inner structure sizes of the two groups of first sealing rings 602 are respectively and correspondingly installed with the outer structure sizes of the two groups of connecting male heads 601, the first sealing ring 602 and the second sealing ring 604 are made of rubber materials, the outer structure sizes of the two groups of second sealing rings 604 are respectively and correspondingly installed with the inner structure sizes of the two groups of metal connecting sleeve 603, the connection modes of the liquid outlet valve 3, the liquid inlet valve 4 and the two groups of metal connecting sleeve 603 are respectively in threaded connection, sealing glue is injected into the inside of the metal connecting sleeve 603, the top of the control pipe 2 is fixedly connected with the rotating wheel 201, the connection mode of the control pipe 2 and the device main body 1 is threaded connection, when threads in the metal connecting sleeve 603 and threads on the connecting male head 601 are rotationally connected together, the metal connecting sleeve 603 is sleeved on the connecting male head 601, a spring 606 is installed on the top of a second sealing ring 604, the spring 606 is inserted into the metal connecting sleeve 603, the inner cavity of the whole metal connecting sleeve 603 is wrapped by sealant, the outer structure size of the second sealing ring 604 is correspondingly installed with the inner structure size of the metal connecting sleeve 603, the second sealing ring 604 is sleeved on the lower end face of the connecting female head 605, the installation of the metal connecting sleeve 603 can be completed, one end of the spring 606 props against the inner end face of the metal connecting sleeve 603, the other end props against the upper surface of a step of the connecting female head 605, and the first sealing ring 602 is stressed and pressed on the end face on the connecting male head 601 through the lower surface of the step of the connecting female head 605 to form the innermost sealing of a product; meanwhile, the sealing end face of the male connector 601 is connected to press the first sealing ring 602 to the sealing groove to form a waterproof sealing structure of the lower end connector of the product.
The working flow of the utility model is as follows: when the constant-current control device is used, firstly, the device main body 1 is placed at a designated position, the control pipe 2 is installed in the device main body 1, the normally closed air inlet valve 5 is installed at the top of the device main body 1, the liquid outlet valve 3 is installed at the bottom of the device main body 1, the liquid inlet valve 4 is installed at the front surface of the device main body 1, the liquid inlet valve 4 and the liquid outlet valve 3 are respectively connected with the device main body 1 through a connecting mechanism 6, when threads in the metal connecting sleeve 603 and threads on the connecting male head 601 are rotationally connected together, the metal connecting sleeve 603 is sleeved on the connecting male head 601, the spring 606 is installed at the top of the second sealing ring 604, the spring 606 is inserted into the metal connecting sleeve 603, the sealing glue wraps the inner cavity of the whole metal connecting sleeve 603, the outer structure of the second sealing ring 604 is installed correspondingly to the inner structure of the metal connecting sleeve 603, the lower end face of the connecting female head 605 is sleeved with the second sealing ring 604, the installation of the metal connecting sleeve 603 can be completed, the inner end face of the metal connecting sleeve 603 is propped against the inner end face of the connecting sleeve 605, and the other end face of the metal connecting sleeve 605 is propped against the step upper face of the connecting female head 605, and the top face of the connecting female head 605 is pressed down by the first sealing ring 602, the highest pressure bearing face of the sealing ring 602 is formed by the step upper face of the connecting female head 602, and the highest pressure bearing face is pressed down on the pressure bearing plate; meanwhile, the sealing end face of the male head 601 is connected to press the first sealing ring 602 to the sealing groove to form a waterproof sealing structure of the lower end interface of the product.
The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (6)

1. The utility model provides a liquid constant flow control device, includes device main part (1), its characterized in that: the device comprises a device body (1), wherein a control pipe (2) is arranged in the device body (1), a liquid outlet valve (3) is fixedly arranged at the bottom of the device body (1), a liquid inlet valve (4) is fixedly arranged on the front surface of the device body (1), a normally closed air inlet valve (5) is fixedly arranged at the top of the device body (1) and in front of the control pipe (2), and the device body (1) is connected with the liquid outlet valve (3) and the liquid inlet valve (4) through a connecting mechanism (6);
the connecting mechanism (6) comprises two groups of connecting male heads (601), the two groups of connecting male heads (601) are respectively and fixedly connected to the liquid outlet valve (3), the liquid inlet valve (4) and the normally closed air inlet valve (5) and are located at one end close to the device main body (1), a first sealing ring (602) is sleeved on the outer side of the connecting male heads (601), and metal connecting sleeves (603) are respectively arranged on the outer side of the device main body (1) and located at corresponding positions of the two groups of connecting male heads (601).
2. The liquid constant flow control device according to claim 1, wherein: the inside of metal adapter sleeve (603) just is located the top of connecting public head (601) and installs second sealing washer (604), the internally mounted of second sealing washer (604) has female head (605) of connection, the inside of metal adapter sleeve (603) just is located the outside cover of connecting female head (605) and is equipped with spring (606).
3. A liquid constant flow control device according to claim 2, wherein: the first sealing ring (602) and the second sealing ring (604) are of O-shaped structure design, and the inner structure sizes of the two groups of the first sealing rings (602) are respectively and correspondingly installed with the outer structure sizes of the two groups of the connecting male heads (601).
4. A liquid constant flow control device according to claim 2, wherein: the first sealing ring (602) and the second sealing ring (604) are made of rubber materials, and the outer structural sizes of the two groups of the second sealing rings (604) are respectively and correspondingly installed with the inner structural sizes of the two groups of the metal connecting sleeves (603).
5. The liquid constant flow control device according to claim 1, wherein: the liquid outlet valve (3), the liquid inlet valve (4) and the two groups of metal connecting sleeves (603) are connected in a threaded mode respectively, and sealant is injected into the metal connecting sleeves (603).
6. The liquid constant flow control device according to claim 1, wherein: the top of the control tube (2) is fixedly connected with a rotating wheel (201), and the control tube (2) is connected with the device main body (1) in a threaded mode.
CN202322150905.4U 2023-08-10 2023-08-10 Liquid constant flow control device Active CN220488390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322150905.4U CN220488390U (en) 2023-08-10 2023-08-10 Liquid constant flow control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322150905.4U CN220488390U (en) 2023-08-10 2023-08-10 Liquid constant flow control device

Publications (1)

Publication Number Publication Date
CN220488390U true CN220488390U (en) 2024-02-13

Family

ID=89837512

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322150905.4U Active CN220488390U (en) 2023-08-10 2023-08-10 Liquid constant flow control device

Country Status (1)

Country Link
CN (1) CN220488390U (en)

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