CN210318753U

CN210318753U - Control valve capable of monitoring conductivity of liquid in tank

Info

Publication number: CN210318753U
Application number: CN201921297211.0U
Authority: CN
Inventors: 邓宏林; 高玉鳳; 魏杰
Original assignee: Anhui Hongshi Automation Equipment Co ltd
Current assignee: Anhui Hongshi Automation Equipment Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-04-14
Anticipated expiration: 2029-08-12

Abstract

The utility model discloses a can monitor control valve of inslot liquid conductivity, including main part, conductivity meter, vertical runner has been seted up to the main part inner chamber, and vertical runner bottom is connected with the intercommunication cavity, and intercommunication cavity one side is connected with horizontal runner, and the conductivity meter is installed to the horizontal runner inner chamber. The utility model discloses a simple control valve flow path design, it is complicated to solve liquid flow path design structure in the control valve among the prior art, be unfavorable for the technical problem of dismouting, through set up first interface and second interface on the casing, the gaseous injection of external air pump of being convenient for, effectively help the piston base to remove in piston channel, through first sealing washer and the second sealing washer that sets up piston base surface, effectively prevent to be surveyed liquid from in the intercommunication cavity flow direction piston channel, greatly increased piston channel's seal, the seal is not enough in the control valve among the solution prior art, the technical problem of test liquid spill easily.

Description

Control valve capable of monitoring conductivity of liquid in tank

Technical Field

The utility model relates to a control valve technical field, concretely relates to can monitor control valve of inslot liquid conductivity.

Background

The current liquid conductivity detects, can will be surveyed liquid and guide to the valve body device in, measure in setting up the sensor in the valve body device again to through measuring lead wire with signal transmission to measuring instrument, this kind of valve body device original design is comparatively complicated, and it is not convenient enough to use.

Patent document (201610729246.1) discloses a straight-through control valve, which selects polytetrafluoroethylene material as raw material of the fixture block and the sealing ring, and utilizes its good corrosion resistance to ensure the stability of primary sealing and secondary sealing in the control valve, and at the same time, the service life of the fixture block and the sealing ring is prolonged, and the frequency of replacement of the components in the control valve is reduced. However, the structure of the liquid flow channel in the control valve is relatively complex, and is not beneficial to dismounting and maintaining internal parts, and meanwhile, the sealing valve is easy to generate the situation of liquid splashing when facing a liquid test, and is not suitable for liquid detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can monitor control valve of inslot liquid conductivity degree solves following technical problem: (1) the method comprises the following steps of introducing a measured liquid into a longitudinal flow channel, injecting gas into the top of an inner cavity of a piston channel through a first interface by an external air pump, pushing a piston base to move downwards along the piston channel by the gas, driving a piston pressure head at the top to move downwards by the piston base, enabling the measured liquid to flow into an inner cavity of a communicating cavity through a gap between the longitudinal flow channel and the piston pressure head, enabling the measured liquid to flow into a transverse flow channel from the inner cavity of the communicating cavity, and solving the technical problems that the structure of a liquid flow channel in a control valve is complex and the assembly and disassembly are not facilitated in the prior art through the simple flow channel; (2) through seting up first interface and second interface on the casing, the gaseous injection of external air pump of being convenient for effectively helps piston base to remove in piston channel, through first sealing washer and the second sealing washer that sets up piston base surface, effectively prevents to be surveyed liquid from communicating cavity flow direction piston channel in, greatly increased piston channel's seal, the technical problem who solves seal insufficient in the prior art control valve, test liquid spill easily.

The purpose of the utility model can be realized by the following technical scheme:

a control valve capable of monitoring the conductivity of liquid in a tank comprises a main body and a conductivity meter, wherein a longitudinal flow channel is formed in an inner cavity of the main body, a communicating cavity is connected to the bottom of the longitudinal flow channel, a transverse flow channel is connected to one side of the communicating cavity, and the conductivity meter is installed in the inner cavity of the transverse flow channel;

the piston mechanism is arranged at the bottom of the outer wall of the main body and comprises a shell, a groove is formed in the bottom of an inner cavity of the shell, a piston channel is arranged at the top of the groove, a piston base is arranged on the inner wall of the piston channel in a sliding mode and consists of two cylinders, a piston pressure head is embedded in the top of the cylinder at the upper part of the piston base and penetrates through the shell to be communicated with the inner cavity of the cavity;

first interface, second interface have been seted up respectively from top to bottom to casing homonymy lateral wall, first interface, second interface all run through the casing lateral wall.

Further, the cylinder of piston base lower part is gone up to overlap and is equipped with first sealing washer, the cover is equipped with the second sealing washer on the cylinder of piston base upper portion, the cylinder radius on piston base upper portion is less than the cylinder radius of lower part.

Furthermore, the number of the first sealing rings and the number of the second sealing rings are two.

Furthermore, the first interface is connected with one side of the piston channel close to the top, the second interface is connected with one side of the groove, and the first interface and the second interface are both externally connected with an air outlet end of an air pump.

Furthermore, the communicating cavity, the longitudinal flow channel and the transverse flow channel are all columnar structures, and the inner diameter of the communicating cavity is larger than that of the longitudinal flow channel.

The utility model has the advantages that:

the utility model discloses a control valve capable of monitoring liquid conductivity in a groove, through inserting the conductivity meter into the transverse flow channel inner chamber on the main body, the liquid to be detected is introduced into the longitudinal flow channel, the external air pump injects gas into the top of the piston channel inner chamber through the first interface, the gas pushes the piston base to move downwards along the piston channel, the piston base drives the piston pressure head at the top to move downwards, the liquid to be detected flows into the communicating cavity inner chamber through the gap between the longitudinal flow channel and the piston pressure head, the liquid to be detected flows into the transverse flow channel from the communicating cavity inner chamber, the external air pump injects gas into the groove through the second interface, the gas enters the bottom of the piston channel inner chamber through the groove, the gas pushes the piston base to move upwards along the piston channel, the piston base drives the piston pressure head to block the bottom of the longitudinal flow channel, the liquid to be detected is prevented from continuously flowing into the transverse flow channel, through arranging the first interface and the, the gaseous injection of external air pump of being convenient for effectively helps piston base to remove in piston channel, through setting up first sealing washer and the second sealing washer on piston base surface, effectively prevents to be surveyed liquid from communicating the cavity flow direction piston channel in, greatly increased piston channel's seal.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a control valve for monitoring the conductivity of a liquid in a tank according to the present invention;

fig. 2 is a schematic structural diagram of the piston mechanism of the present invention;

in the figure: 1. a main body; 2. a longitudinal flow passage; 3. a transverse flow passage; 4. a piston mechanism; 5. a conductivity meter; 6. the cavity is communicated; 71. a first interface; 72. a second interface; 8. a groove; 9. a piston channel; 10. a first seal ring; 11. a piston base; 12. a piston ram; 13. a second seal ring; 14. a housing.

Detailed Description

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

Referring to fig. 1-2, the utility model relates to a control valve capable of monitoring the conductivity of liquid in a tank, which comprises a main body 1 and a conductivity meter 5, wherein a longitudinal flow passage 2 is arranged in the inner cavity of the main body 1, the bottom of the longitudinal flow passage 2 is connected with a communicating cavity 6, one side of the communicating cavity 6 is connected with a transverse flow passage 3, a conductivity meter 5 is arranged in the inner cavity of the transverse flow passage 3, and the conductivity meter 5 is a conductivity meter of a resistivity monitor of japan HORIBA HE-480R;

the piston mechanism 4 is arranged at the bottom of the outer wall of the main body 1, the piston mechanism 4 comprises a shell 14, a groove 8 is formed in the bottom of the inner cavity of the shell 14, a piston channel 9 is formed in the top of the groove 8, a piston base 11 is arranged on the inner wall of the piston channel 9 in a sliding mode, the piston base 11 is composed of two cylinders, a piston pressure head 12 is embedded in the top of the cylinder on the upper portion of the piston base 11, and the piston pressure head 12 penetrates through the shell 14 to the;

the first port 71 and the second port 72 are respectively disposed on the side wall of the housing 14 from top to bottom, and both the first port 71 and the second port 72 penetrate through the side wall of the housing 14.

Specifically, a first sealing ring 10 is sleeved on a cylinder at the lower part of the piston base 11, a second sealing ring 13 is sleeved on a cylinder at the upper part of the piston base 11, and the radius of the cylinder at the upper part of the piston base 11 is smaller than that of the cylinder at the lower part. The number of the first sealing rings 10 and the number of the second sealing rings 13 are two. The first interface 71 is connected with one side of the piston channel 9 close to the top, the second interface 72 is connected with one side of the groove 8, and the first interface 71 and the second interface 72 are both externally connected with an air outlet end of an air pump. The communicating cavity 6, the longitudinal flow channel 2 and the transverse flow channel 3 are all columnar structures, and the inner diameter of the communicating cavity 6 is larger than that of the longitudinal flow channel 2.

Referring to fig. 1-2, the operation of a control valve for monitoring the conductivity of a liquid in a tank according to the present embodiment is as follows:

inserting a conductivity meter 5 into an inner cavity of a transverse flow channel 3 on a main body 1, introducing a measured liquid into a longitudinal flow channel 2, injecting gas into the top of an inner cavity of a piston channel 9 through a first interface 71 by an external air pump, pushing the piston base 11 to move downwards along the piston channel 9, driving a piston pressure head 12 at the top to move downwards by the piston base 11, enabling the measured liquid to flow into an inner cavity of a communicating cavity 6 through a gap between the longitudinal flow channel 2 and the piston pressure head 12, enabling the measured liquid to flow into the transverse flow channel 3 from the inner cavity of the communicating cavity 6, injecting gas into a groove 8 by the external air pump through a second interface 72, enabling the gas to enter the bottom of the inner cavity of the piston channel 9 through the groove 8, pushing the piston base 11 to move upwards along the piston channel 9, driving the piston pressure head 12 by the piston base 11 to plug the bottom of the longitudinal flow channel 2, preventing the measured liquid from continuously flowing into the transverse flow channel 3, and detecting, through setting up first sealing washer 10 and the second sealing washer 13 on 11 surfaces of piston base, prevent effectively that the measured liquid from communicating the cavity 6 flow to piston channel 9 in, greatly increased piston channel 9's leakproofness.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The control valve capable of monitoring the conductivity of liquid in the tank is characterized by comprising a main body (1) and a conductivity meter (5), wherein a longitudinal flow channel (2) is formed in the inner cavity of the main body (1), the bottom of the longitudinal flow channel (2) is connected with a communicating cavity (6), one side of the communicating cavity (6) is connected with a transverse flow channel (3), and the conductivity meter (5) is installed in the inner cavity of the transverse flow channel (3);

the piston mechanism (4) is arranged at the bottom of the outer wall of the main body (1), the piston mechanism (4) comprises a shell (14), a groove (8) is formed in the bottom of the inner cavity of the shell (14), a piston channel (9) is arranged at the top of the groove (8), a piston base (11) is arranged on the inner wall of the piston channel (9) in a sliding mode, the piston base (11) is composed of two cylinders, a piston pressure head (12) is embedded in the top of the cylinder at the upper portion of the piston base (11), and the piston pressure head (12) penetrates through the shell (14) to the inner cavity of the communicating cavity (6);

casing (14) lateral wall has seted up first interface (71), second interface (72) from top to bottom respectively, first interface (71), second interface (72) all run through casing (14) lateral wall.

2. The control valve capable of monitoring the conductivity of liquid in the tank as claimed in claim 1, wherein the lower cylinder of the piston base (11) is sleeved with a first sealing ring (10), the upper cylinder of the piston base (11) is sleeved with a second sealing ring (13), and the radius of the upper cylinder of the piston base (11) is smaller than that of the lower cylinder.

3. A control valve for monitoring the conductivity of a liquid in a tank as claimed in claim 2, wherein the number of said first and second sealing rings (10, 13) is two.

4. The control valve capable of monitoring the conductivity of liquid in the tank as claimed in claim 1, wherein the first port (71) is connected to the side of the piston channel (9) near the top, the second port (72) is connected to the side of the groove (8), and the first port (71) and the second port (72) are both externally connected to the air outlet end of the air pump.

5. The control valve for monitoring the conductivity of liquid in a tank as claimed in claim 1, wherein the communicating cavity (6), the longitudinal flow channel (2) and the transverse flow channel (3) are all columnar structures, and the inner diameter of the communicating cavity (6) is larger than that of the longitudinal flow channel (2).