CN215059515U

CN215059515U - Control valve with sectional adjustment

Info

Publication number: CN215059515U
Application number: CN202121480549.7U
Authority: CN
Inventors: 穆玉朋; 崔洪浩; 廖年年; 刘鹏; 王建
Original assignee: Nanjing Vost Intelligent Control Technology Co ltd
Current assignee: Nanjing Vost Intelligent Control Technology Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-07
Anticipated expiration: 2031-06-30

Abstract

The utility model provides a control valve with sectional regulation, which comprises a shell, wherein the upper end of the shell is provided with a connecting pipe, the top of the connecting pipe is provided with a sealing cover, and a pneumatic mechanism is arranged above the sealing cover; the inner part of the shell is fixedly connected with a partition plate, the inner part of the shell is divided into an inlet cavity and an outlet cavity by the partition plate, a valve core block is arranged in the middle of the partition plate, and a through hole for communicating the inlet cavity and the outlet cavity is formed in the valve core block; the movable end of the pneumatic mechanism extends into the shell and is connected with a sealing plug matched with the through hole; a plurality of first diversion holes communicated with the inlet cavity are formed in the upper side of the through hole along the inner side of the valve core block, a public end is arranged in each first diversion hole, the public end is connected with a pipeline, and the other end of the pipeline extends to the outer side of the sealing cover and is connected with a detection assembly; a plurality of second branch holes communicated with the outlet cavity are formed in the lower side of the through hole along the inner side of the valve core block; has the advantages of simple structure and good safety.

Description

Control valve with sectional adjustment

Technical Field

The utility model belongs to the technical field of pneumatic choke valve, concretely relates to control flap of area segmentation regulation.

Background

A pneumatic throttle valve is a valve that controls fluid flow by changing the throttle cross-section or throttle length through high pressure gas gastric dynamics. The flow of the throttle valve is not only dependent on the area of the throttle orifice, but also related to the pressure difference between the front and the rear of the throttle orifice, and the rigidity of the valve is small, so the throttle valve is only suitable for occasions with small load change of an actuating element and low speed stability requirement. And the common throttle valve has no automatic cut-off function, so the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take control flap of segmentation regulation to solve ordinary choke valve simple structure, the function singleness, the problem that the security is low.

In order to solve the technical problem, the utility model provides a following technical scheme:

a control valve with sectional adjustment comprises a shell, wherein a connecting pipe is arranged at the upper end of the shell, a sealing cover is arranged at the top of the connecting pipe, and a pneumatic mechanism is arranged above the sealing cover; the inner part of the shell is fixedly connected with a partition plate, the inner part of the shell is divided into an inlet cavity and an outlet cavity by the partition plate, a valve core block is arranged in the middle of the partition plate, and a through hole for communicating the inlet cavity and the outlet cavity is formed in the valve core block; the movable end of the pneumatic mechanism extends into the shell and is connected with a sealing plug matched with the through hole; a plurality of first diversion holes communicated with the inlet cavity are formed in the upper side of the through hole along the inner side of the valve core block, a public end is arranged in each first diversion hole, the public end is connected with a pipeline, and the other end of the pipeline extends to the outer side of the sealing cover and is connected with a detection assembly; and a plurality of second branch flow holes communicated with the outlet cavity are formed in the lower side of the through hole along the inner side of the valve core block.

Preferably, the through hole comprises a first communicating section and a second communicating section which are integrally formed, the first communicating section is of an inverted cone-shaped structure with the aperture gradually reduced from top to bottom, and the second communicating section is arranged at the bottom of the first communicating section and has the same inner diameter as the minimum inner diameter of the first communicating section; the first shunt hole is communicated with the first communication section, and the second shunt hole is communicated with the second communication section.

Preferably, the sealing plug comprises a first plug body corresponding to the first communication section and a second plug body corresponding to the second communication section, and the length of the second plug body is greater than that of the second communication section.

Preferably, the detection assembly comprises a first temperature sensor, a second temperature sensor and a pressure sensor, the end part of the pipeline is provided with a three-way valve, the first temperature sensor and the pressure sensor are respectively arranged on the three-way valve, and the second temperature sensor is used for monitoring the outside temperature.

Preferably, the detection assembly is further connected with a controller, and the controller comprises a microprocessor, a display screen, a control button and a power module, wherein the display screen, the control button and the power module are electrically connected with the microprocessor; the microprocessor is also connected to the first temperature sensor, the second temperature sensor, the pressure sensor and the pneumatic mechanism through wires.

Preferably, the inlet chamber and the outlet chamber are both connected with connecting flanges.

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

the utility model provides a control flap that area segmentation was adjusted through setting up first reposition of redundant personnel hole and second reposition of redundant personnel hole for the valve reduces gradually closing in-process flow rate, promotes its safety in utilization through multistage position control, has simple structure, the good advantage of security.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a control valve with sectional adjustment according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a through hole and a sealing plug of a control valve with sectional adjustment according to an embodiment of the present invention;

labeled as:

1. the device comprises a shell, 11, a partition plate, 12, an inlet chamber, 13, an outlet chamber, 14, a connecting flange, 2, a connecting pipe, 21, a sealing cover, 22, a pneumatic mechanism, 3, a valve core block, 31, a through hole, 311, a first communicating section, 312, a second communicating section, 32, a sealing plug, 321, a first plug body, 322, a second plug body, 4, a first diversion hole, 5, a second diversion hole, 6, a detection component, 7 and a controller.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, the present embodiment provides a control valve with sectional adjustment, which includes a housing 1, a connecting pipe 2 is disposed at an upper end of the housing 1, a sealing cover 21 is disposed at a top of the connecting pipe 2, and a pneumatic mechanism 22 is disposed above the sealing cover 21; the inner part of the shell 1 is fixedly connected with a partition plate 11, the inner part of the shell 1 is divided into an inlet chamber 12 and an outlet chamber 13 by the partition plate 11, a valve core block 3 is arranged in the middle of the partition plate 11, and a through hole 31 for communicating the inlet chamber 12 and the outlet chamber 13 is arranged on the valve core block 3; the movable end of the pneumatic mechanism 22 extends into the shell 1 and is connected with a sealing plug 32 matched with the through hole 31; connecting flanges 14 are connected to both the inlet chamber 12 and the outlet chamber 13.

As shown in fig. 2, the through hole 31 includes a first communicating section 311 and a second communicating section 312 which are integrally formed, the first communicating section 311 is an inverted cone-shaped structure whose aperture gradually decreases from top to bottom, and the second communicating section 312 is disposed at the bottom of the first communicating section 311 and has an inner diameter the same as the minimum inner diameter of the first communicating section 311.

A plurality of first diversion holes 4 communicated with the inlet chamber 12 are formed in the upper side of the through hole 31 along the inner side of the valve core block 3, a public end is arranged in each first diversion hole 4, the public end is connected with a pipeline, and the other end of the pipeline extends to the outer side of the sealing cover 21 and is connected with a detection assembly 6; a plurality of second branch holes 5 communicated with the outlet chamber 13 are formed in the lower side of the through hole 31 along the inner side of the valve core block 3; the first flow dividing hole 4 is communicated with the first communication section 311, and the second flow dividing hole 5 is communicated with the second communication section 312; the sealing plug 32 includes a first plug body 321 corresponding to the first communication section 311 and a second plug body 322 corresponding to the second communication section 312, and the length of the second plug body 322 is greater than that of the second communication section 312.

The detection assembly 6 comprises a first temperature sensor, a second temperature sensor and a pressure sensor, a three-way valve is arranged at the end part of the pipeline, the first temperature sensor and the pressure sensor are respectively arranged on the three-way valve, the second temperature sensor is used for monitoring the external temperature, the detection assembly 6 is also connected with a controller 7, and the controller 7 comprises a microprocessor, and a display screen, a control button and a power module which are electrically connected with the microprocessor; the microprocessor is also connected by wires to the first temperature sensor, the second temperature sensor, the pressure sensor and the pneumatic mechanism 22.

The working principle of the embodiment is as follows: when the external temperature is too high, the second temperature sensor detects high temperature, a signal is transmitted to the processor, the processor controls the pneumatic mechanism 22, the pneumatic mechanism 22 controls the sealing plug 32 to enter the through hole 31, the first plug body 321 enters the first communicating section 311, fluid can only flow through the first flow dividing hole 4 and the second flow dividing hole 5 firstly, and then can only flow through the first flow dividing hole 4, and the speed is gradually reduced; when the first temperature sensor detects that the temperature in the shell is overhigh, a signal is transmitted to the processor, the processor controls the starting mechanism to further enable the second plug body 322 to enter the second communication section 312, the fluid can only circulate through the first branch flow hole 4 firstly, and then the speed is gradually reduced along with the gradual closing of the second communication section 312 until the through hole 31 is completely closed; the valve has the function of a cut-off valve, and the safety is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The control valve with the sectional adjustment function comprises a shell, and is characterized in that a connecting pipe is arranged at the upper end of the shell, a sealing cover is arranged at the top of the connecting pipe, and a pneumatic mechanism is arranged above the sealing cover; the inner part of the shell is fixedly connected with a partition plate, the inner part of the shell is divided into an inlet cavity and an outlet cavity by the partition plate, a valve core block is arranged in the middle of the partition plate, and a through hole for communicating the inlet cavity and the outlet cavity is formed in the valve core block; the movable end of the pneumatic mechanism extends into the shell and is connected with a sealing plug matched with the through hole;

a plurality of first diversion holes communicated with the inlet cavity are formed in the upper side of the through hole along the inner side of the valve core block, a public end is arranged in each first diversion hole, the public end is connected with a pipeline, and the other end of the pipeline extends to the outer side of the sealing cover and is connected with a detection assembly; and a plurality of second branch flow holes communicated with the outlet cavity are formed in the lower side of the through hole along the inner side of the valve core block.

2. The control valve with the sectional regulation function as claimed in claim 1, wherein the through hole comprises a first communicating section and a second communicating section which are integrally formed, the first communicating section is of an inverted cone-shaped structure with a gradually reduced aperture from top to bottom, the second communicating section is arranged at the bottom of the first communicating section, and the inner diameter of the second communicating section is the same as the minimum inner diameter of the first communicating section; the first shunt hole is communicated with the first communication section, and the second shunt hole is communicated with the second communication section.

3. The control valve with segment adjustment of claim 2, wherein the sealing plug comprises a first plug body corresponding to the first communication segment and a second plug body corresponding to the second communication segment, and the length of the second plug body is greater than the length of the second communication segment.

4. The control valve with the sectional regulation according to claim 1, wherein the detection assembly comprises a first temperature sensor, a second temperature sensor and a pressure sensor, the end of the pipeline is provided with a three-way valve, the first temperature sensor and the pressure sensor are respectively arranged on the three-way valve, and the second temperature sensor is used for monitoring the outside temperature.

5. The control valve with the sectional regulation function according to claim 4, wherein the detection assembly is further connected with a controller, and the controller comprises a microprocessor, a display screen, a control button and a power supply module, wherein the display screen, the control button and the power supply module are electrically connected with the microprocessor; the microprocessor is also connected to the first temperature sensor, the second temperature sensor, the pressure sensor and the pneumatic mechanism through wires.

6. The control valve with segment regulation of claim 1, wherein connecting flanges are connected to the inlet chamber and the outlet chamber.