CN211852932U

CN211852932U - Intelligent valve pressure difference controller using pressure sensor as acquisition unit

Info

Publication number: CN211852932U
Application number: CN201922361776.7U
Authority: CN
Inventors: 薛蕾
Original assignee: Nanjing Chuangdun Intelligent Technology Co ltd
Current assignee: Nanjing Chuangdun Intelligent Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-11-03
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses an use pressure sensor as acquisition unit's wisdom valve differential pressure controller, including differential pressure controller and spring, differential pressure controller's bottom is connected with the connecting pipe, the both ends of connecting pipe are connected with the connector, wherein, the one end that the connecting pipe was kept away from to the connector is connected with the connecting pipe, one side of connecting pipe, being close to the connector is fixed with the flange, the cover has the thread bush on the connecting pipe, the thread bush passes through the connecting pipe chute cover on the connecting pipe. This use pressure sensor as the wisdom valve differential pressure controller of acquisition unit, when the thread bush passes through the external screw thread with the connector and produces relative movement, make the thread bush to the connecting tube direction removal, when the thread bush supported the spherical surface of ejector pin, make the ejector pin by the inside in ejector pin groove of impressing, the spring compression, when recess and ejector pin groove, the spring drove the inside that the ejector pin got into the recess, avoided the thread bush to take place the reversal easily, prevented that thread bush and connector from taking place to drop.

Description

Intelligent valve pressure difference controller using pressure sensor as acquisition unit

Technical Field

The utility model relates to a differential pressure controller technical field specifically is an use pressure sensor as the wisdom valve differential pressure controller of acquisition unit.

Background

Pressure differential controllers combine two pressure elements with high sensitivity that, once changed, cause a smart valve to control a device, such as a motor-driven valve, typically using a pressure sensor as the acquisition unit when the pressure differential controller is in use.

Although the types and the number of the existing pressure difference controllers are very large, the existing pressure difference controllers still have certain problems and bring certain inconvenience to the use of the pressure difference controllers.

When the existing differential pressure controller is used, the differential pressure controller is connected with the pressure guide pipe through the connector, but after the differential pressure controller is connected, the connector of the pressure guide pipe and the differential pressure controller is easy to fall off along with the use of the differential pressure controller, and the differential pressure controller is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use pressure sensor as the wisdom valve differential pressure controller of acquisition unit to solve the present differential pressure controller that above-mentioned background art provided and when using, the differential pressure controller passes through the connector and is connected with the pressure pipe, nevertheless connects the back, along with the use of differential pressure controller, the pressure pipe takes place to drop easily with the connector of differential pressure controller, the problem of inconvenient use.

In order to achieve the above object, the utility model provides a following technical scheme: an intelligent valve differential pressure controller with a pressure sensor as an acquisition unit comprises a differential pressure controller and a spring, wherein the bottom of the differential pressure controller is connected with a connecting pipe, two ends of the connecting pipe are connected with connectors, wherein,

one end of the connector, which is far away from the connecting pipe, is connected with a pressure pipe, one side of the pressure pipe, which is close to the connector, is fixed with a flange, a threaded sleeve is sleeved on the pressure pipe, the threaded sleeve is sleeved on the pressure pipe through a pressure pipe groove, and a spring pad is sleeved on the pressure pipe between the flange and the pressure pipe groove;

the connecting pipe is characterized in that fixing plates are fixed on two sides, close to the threaded sleeve, of the connecting pipe, ejector rod grooves are formed in the outer wall, close to the threaded sleeve, of each fixing plate, grooves are formed in one side, close to the ejector rod grooves, of the threaded sleeve, the springs are located inside the ejector rod grooves, and ejector rods are fixed on the opening sides, close to the ejector rod grooves, of the springs.

Preferably, the connector forms a thread structure with the thread bushing through an external thread.

Preferably, the outer diameter of the flange is larger than that of the spring pad, the outer diameter of the spring pad is larger than the inner diameter of the pressure guide pipe groove, and the threaded sleeve and the flange form elastic connection through the spring pad.

Preferably, the cross section of the ejector rod groove and the ejector rod is T-shaped, and the minimum inner diameter of the ejector rod groove is smaller than the maximum inner diameter of the ejector rod.

Preferably, one side of the ejector rod, which is far away from the spring, is a spherical surface, the size of the spherical surface of the ejector rod is matched with that of the concave surface of the groove, and the ejector rod and the fixing plate form an elastic structure through the spring.

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

1. when the thread sleeve and the connector generate relative movement through external threads, the thread sleeve moves towards the direction of the connecting pipe, the ejector rod is pressed into the ejector rod groove when the thread sleeve abuts against the spherical surface of the ejector rod, the spring is compressed, and when the groove and the ejector rod groove are formed, the spring drives the ejector rod to enter the groove, so that the thread sleeve is prevented from easily reversing, and the thread sleeve and the connector are prevented from falling off;

2. according to the intelligent valve pressure difference controller with the pressure sensor as the acquisition unit, when the threaded sleeve drives the pressure guide pipe to be tightly attached to the connector, the groove of the threaded sleeve is not aligned with the ejector rod groove, the threaded sleeve needs to be continuously screwed, the threaded sleeve continues to move towards the direction of the connecting pipe, the spring pad is compressed until the groove is aligned with the ejector rod groove, and after the connector is hermetically connected with the pressure guide pipe through the spring pad, the threaded sleeve can continue to rotate, so that the groove is aligned with the ejector rod groove conveniently;

3. this use pressure sensor as the wisdom valve differential pressure controller of acquisition unit, thread bush cover rotates the thread bush on the connector, makes thread bush and connector produce relative rotation, and the connector passes through the inside that the external screw thread got into the thread bush, makes the thread bush drive the connecting pipe and hugs closely the connector, is convenient for be connected connector and connecting pipe.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. a differential pressure controller; 2. a connecting pipe; 3. a connector; 4. a pressure guide pipe; 5. a flange; 6. a threaded sleeve; 7. a pressure guide pipe groove; 8. a spring pad; 9. a fixing plate; 10. a jack rod groove; 11. a groove; 12. a spring; 13. and a push rod.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a pressure difference controller of an intelligent valve with a pressure sensor as an acquisition unit comprises a pressure difference controller 1, a connecting pipe 2, a connector 3, a pressure guide pipe 4, a flange 5, a threaded sleeve 6, a pressure guide pipe groove 7, a spring pad 8, a fixing plate 9, an ejector rod groove 10, a groove 11, a spring 12 and an ejector rod 13, wherein the bottom of the pressure difference controller 1 is connected with the connecting pipe 2, the two ends of the connecting pipe 2 are connected with the connector 3, the connector 3 and the threaded sleeve 6 form a threaded structure through external threads, when the connector 3 is connected with the pressure guide pipe 4, the threaded sleeve 6 is sleeved on the connector 3, the threaded sleeve 6 is rotated to enable the threaded sleeve 6 and the connector 3 to rotate relatively, the connector 3 enters the inside of the threaded sleeve 6 through the external threads, the threaded sleeve 6 drives the pressure guide pipe 4 to be tightly attached to the connector 3, the connector 3 and the pressure guide pipe 4,

one end, far away from the connecting pipe 2, of the connector 3 is connected with a pressure guide pipe 4, one side, close to the connector 3, of the pressure guide pipe 4 is fixed with a flange 5, the outer diameter of the flange 5 is larger than the outer diameter of a spring pad 8, the outer diameter of the spring pad 8 is larger than the inner diameter of a pressure guide pipe groove 7, the threaded sleeve 6 is elastically connected with the flange 5 through the spring pad 8, when the threaded sleeve 6 drives the pressure guide pipe 4 to be tightly attached to the connector 3, a groove 11 of the threaded sleeve 6 is not aligned with an ejector rod groove 10, the threaded sleeve 6 needs to be continuously screwed, the threaded sleeve 6 continues to move towards the connecting pipe 2 to compress the spring pad 8 until the groove 11 is aligned with the ejector rod groove 10, after the connector 3 is hermetically connected with the pressure guide pipe 4 through the spring pad 8, the threaded sleeve 6 can continue to rotate, so that the groove 11 is aligned with the ejector rod groove 10, the threaded sleeve 6 is sleeved on the pressure guide pipe 4, the threaded sleeve, a spring cushion 8 is sleeved on the pressure guide pipe 4 between the flange 5 and the pressure guide pipe groove 7;

the two sides of the connecting pipe 2 close to the threaded sleeve 6 are fixed with fixing plates 9, the outer wall of the fixing plate 9 close to the threaded sleeve 6 is provided with a mandril groove 10, the cross sections of the mandril groove 10 and the mandril 13 are T-shaped, the minimum inner diameter of the mandril groove 10 is smaller than the maximum inner diameter of the mandril 13, the mandril 13 is prevented from completely moving out of the mandril groove 10, one side of the threaded sleeve 6 close to the mandril groove 10 is provided with a groove 11, the spring 12 is positioned in the mandril groove 10, the opening side of the spring 12 close to the mandril groove 10 is fixed with the mandril 13, one side of the mandril 13 far away from the spring 12 is spherical, the size of the spherical surface of the mandril 13 is matched with the size of the concave surface of the groove 11, the mandril 13 and the fixing plate 9 form an elastic structure through the spring 12, when the threaded sleeve 6 and the connecting head 3 move, when the threaded sleeve 6 props against the spherical surface of the ejector rod 13, the ejector rod 13 is pressed into the ejector rod groove 10, the spring 12 is compressed, and when the groove 11 and the ejector rod groove 10 are formed, the ejector rod 13 is driven by the spring 12 to enter the groove 11, so that the threaded sleeve 6 is prevented from easily reversing, and the threaded sleeve 6 and the connector 3 are prevented from falling off.

The working principle is as follows: when the intelligent valve differential pressure controller with the pressure sensor as the acquisition unit is used, firstly, when the differential pressure controller 1 is installed, the pressure pipe 4 at a high pressure position and a low pressure position needs to be connected through the connecting pipe 2, the pressure pipe 4 drives the threaded sleeve 6 to move towards the connecting head 3, the threaded sleeve 6 is sleeved on the connecting head 3, then the threaded sleeve 6 is rotated, the threaded sleeve 6 and the connecting head 3 generate relative rotation, the connecting head 3 enters the interior of the threaded sleeve 6 through external threads, the threaded sleeve 6 drives the pressure pipe 4 to be tightly attached to the connecting head 3, meanwhile, the threaded sleeve 6 props against the spherical surface of the ejector rod 13, the ejector rod 13 is pressed into the interior of the ejector rod groove 10, the spring 12 is compressed, when the threaded sleeve 6 drives the pressure pipe 4 to be tightly attached to the connecting head 3, the groove 11 of the threaded sleeve 6 is not aligned with the ejector rod groove 10, the threaded sleeve 6 needs to be continuously, make spring pad 8 compress, until recess 11 aligns with ejector pin groove 10, make connector 3 and pressure pipe 4 sealing connection back through spring pad 8, thread bush 6 can continue to rotate, make recess 11 align with ejector pin groove 10, during recess 11 and ejector pin groove 10, spring 12 drives ejector pin 13 and gets into the inside of recess 11, avoid thread bush 6 to take place the reversal easily, prevent that thread bush 6 and connector 3 from taking place to drop, the differential pressure controller is when using, simplify system and debugging to the controller through the wisdom valve differential pressure controller that uses pressure sensor as the collection unit, carry out mutually independent optimization to each control loop, the content that does not make detailed description in this description belongs to the prior art that skilled person is known.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an use pressure sensor as collection unit's wisdom valve differential pressure controller, includes differential pressure controller (1) and spring (12), its characterized in that: the bottom of the pressure difference controller (1) is connected with a connecting pipe (2), two ends of the connecting pipe (2) are connected with connectors (3), wherein,

one end, far away from the connecting pipe (2), of the connector (3) is connected with a pressure guide pipe (4), a flange (5) is fixed on one side, close to the connector (3), of the pressure guide pipe (4), a threaded sleeve (6) is sleeved on the pressure guide pipe (4), the threaded sleeve (6) is sleeved on the pressure guide pipe (4) through a pressure guide pipe groove (7), and a spring pad (8) is sleeved on the pressure guide pipe (4) between the flange (5) and the pressure guide pipe groove (7);

connecting pipe (2) are close to the both sides of thread bush (6) and are fixed with fixed plate (9), ejector pin groove (10) have been seted up to the outer wall that fixed plate (9) are close to thread bush (6), one side that thread bush (6) are close to ejector pin groove (10) is seted up fluted (11), spring (12) are located the inside in ejector pin groove (10), the opening side that spring (12) are close to ejector pin groove (10) is fixed with ejector pin (13).

2. The intelligent valve pressure difference controller with pressure sensor as the collecting unit in claim 1, wherein: the connector (3) and the threaded sleeve (6) form a threaded structure through external threads.

3. The intelligent valve pressure difference controller with pressure sensor as the collecting unit in claim 1, wherein: the outer diameter of the flange (5) is larger than that of the spring pad (8), the outer diameter of the spring pad (8) is larger than the inner diameter of the pressure guide pipe groove (7), and the threaded sleeve (6) is elastically connected with the flange (5) through the spring pad (8).

4. The intelligent valve pressure difference controller with pressure sensor as the collecting unit in claim 1, wherein: the cross sections of the ejector rod groove (10) and the ejector rod (13) are T-shaped, and the minimum inner diameter of the ejector rod groove (10) is smaller than the maximum inner diameter of the ejector rod (13).

5. The intelligent valve pressure difference controller with pressure sensor as the collecting unit in claim 1, wherein: one side of the ejector rod (13) far away from the spring (12) is spherical, the size of the spherical surface of the ejector rod (13) is matched with that of the concave surface of the groove (11), and the ejector rod (13) and the fixing plate (9) form an elastic structure through the spring (12).