CN217687649U

CN217687649U - Stable pressure transmitter

Info

Publication number: CN217687649U
Application number: CN202220384513.7U
Authority: CN
Inventors: 刘春�
Original assignee: Dexing Shanghai Industrial Automation Co ltd
Current assignee: Dexing Shanghai Industrial Automation Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-10-28
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to a pressure transmitter field specifically is a firm type pressure transmitter. It comprises a main body; the lower end of the main body is provided with a detection tube; the anti-blocking device also comprises a connecting piece, a connecting cylinder, a flange and an anti-blocking component; the detection tube is communicated with one end of the connecting cylinder through a connecting piece; the other end of the connecting cylinder is arranged on the pipeline to be tested through a flange; the anti-blocking component is arranged in the connecting cylinder and the detection pipe. The utility model discloses installation easy operation, firm realizes local dismantlement through the connecting piece, has improved flexibility, convenience and steadiness that the device used. The anti-blocking component is arranged, and the impurities are intercepted by moving the slag blocking net. The connecting rope and the anti-blocking piece swing along with the movement of the slag blocking net to dredge the detection pipe. Avoid impurity to get into the test tube, also avoid the test tube to block up, guarantee the stability of device work, reduce the frequency of overhauing, further improve its steadiness.

Description

Stable pressure transmitter

Technical Field

The utility model relates to a pressure transmitter field especially relates to a firm type pressure transmitter.

Background

The pressure transmitter consists of a measuring part consisting of a differential capacitance membrane, an electronic detection amplification and signal processing circuit consisting of a microprocessor and a communication circuit consisting of a special communication chip.

The Chinese patent document with the publication number of CN 213068044U discloses a reliable pressure transmitter, which comprises an auxiliary fixing device, a three-way pipe, a low-pressure transmitter, a high-pressure transmitter and a controller, wherein the three-way pipe comprises an input pipe and an output pipe which are communicated, the auxiliary fixing device is arranged on the input pipe, the input pipe is communicated with and provided with a threaded joint, the high-pressure transmitter and the low-pressure transmitter are respectively communicated and arranged on the two input pipes, the controller is arranged between the low pressure transmitter and the high pressure transmitter, the low pressure transmitter and the high pressure transmitter are respectively provided with a data transmission joint, the data transmission joint of the low-pressure transmitter and the data transmission joint of the high-pressure transmitter are respectively connected with the input end of the controller, and a three-way electric control reversing valve is arranged at the branching position in the middle of the three-way pipe.

The existing pressure transmitter is easy to deposit granular dregs in a test pipeline in the test process, so that blockage is caused, frequent installation and disassembly are required, the aims of maintenance and cleaning are achieved, and the stability of the pressure transmitter is reduced.

SUMMERY OF THE UTILITY MODEL

To the problems existing in the background art, the stable pressure transmitter is provided. The utility model discloses installation easy operation, firm realizes local the dismantlement through the connecting piece, has improved flexibility, convenience and steadiness that the device used. The anti-blocking component is arranged, and the impurities are intercepted by moving the slag blocking net. The connecting rope and the anti-blocking piece swing along with the movement of the slag blocking net to dredge the detection pipe. Avoid impurity to get into the test tube, also avoid the test tube to block up, guarantee the stability of device work, reduce the frequency of overhauing, further improve its steadiness.

The utility model provides a stable pressure transmitter, which comprises a main body; the lower end of the main body is provided with a detection tube; the anti-blocking device also comprises a connecting piece, a connecting cylinder, a flange and an anti-blocking component; the detection tube is communicated with one end of the connecting cylinder through a connecting piece; the other end of the connecting cylinder is arranged on the pipeline to be tested through a flange; the anti-blocking component is arranged in the connecting cylinder and the detection pipe. The anti-blocking component comprises a sliding sleeve, a slag blocking net, a connecting rope, an anti-blocking piece, a sliding rod and a spring; a chute is arranged on the inner wall of the connecting cylinder; the sliding rod is arranged on the sliding chute in a sliding manner; the spring is arranged in the sliding chute, one end of the spring is connected with the chute wall of the sliding chute, and the other end of the spring is connected with the sliding rod; the sliding sleeve is connected with the sliding rod and slides along the inner wall of the connecting cylinder; the slag blocking net is arranged on the sliding sleeve; one end of the connecting rope is connected with the slag resistance net, and the other end of the connecting rope extends into the detection pipe and is connected with the inner wall of the detection pipe; the anti-blocking piece is arranged on the connecting rope.

Preferably, prevent that stifled piece sets up the multiunit, and the multiunit is prevented stifled piece and is followed the equidistant setting of connecting the rope.

Preferably, the anti-blocking member is spherical.

Preferably, the slag blocking net is of a bowl-shaped structure, and the opening end of the slag blocking net is connected with the sliding sleeve.

Preferably, the connecting rope and the anti-blocking piece are externally provided with an anti-corrosion high-temperature-resistant coating.

Preferably, the connecting cylinder is provided with a mounting sleeve and a screw; the mounting sleeve and the connecting cylinder are of an integrated structure, the upper end of the mounting sleeve is provided with an internal thread and an external thread, and the lower end of the mounting sleeve is provided with a mounting through hole; the mounting through hole is of a stepped structure and is in threaded fit with the screw.

Preferably, the lower end of the detection pipe is provided with an external thread section matched with the installation sleeve; the lower end of the external thread section is provided with a clamping groove; the clamping groove is communicated with the mounting through hole and is clamped with the screw.

Preferably, the connecting piece comprises a sealing ring and a sealing cover; the sealing ring is sleeved on the periphery of the mounting sleeve and is positioned below the sealing cover; the sealing cover is sleeved on the periphery of the detection pipe, is provided with an internal thread section and is matched with the mounting sleeve through the internal thread section.

Compared with the prior art, the utility model discloses following profitable technological effect has: the utility model discloses installation easy operation, firm realizes local dismantlement through the connecting piece, has improved flexibility, convenience and steadiness that the device used. The anti-blocking component is arranged, and the impurities are intercepted by moving the slag blocking net. The connecting rope and the anti-blocking piece swing along with the movement of the slag blocking net to dredge the detection pipe. Avoid impurity to get into the test tube, also avoid the test tube to block up, guarantee the stability of device work, reduce the frequency of overhauing, further improve its steadiness.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a partially enlarged view of fig. 2 at B.

Reference numerals: 1. a main body; 2. a detection tube; 3. a connecting member; 4. a connecting cylinder; 5. a flange; 6. an anti-clogging component; 7. installing a sleeve; 8. a screw; 9. mounting a through hole; 10. a sealing cover; 11. a seal ring; 12. a sliding sleeve; 13. a slag blocking net; 14. connecting ropes; 15. an anti-blocking piece; 16. a chute; 17. a slide bar; 18. a spring; 19. a clamping groove.

Detailed Description

Example one

As shown in fig. 1-4, the present invention provides a robust pressure transmitter, which includes a main body 1; the lower end of the main body 1 is provided with a detection tube 2; the anti-blocking device also comprises a connecting piece 3, a connecting cylinder 4, a flange 5 and an anti-blocking component 6; the detection tube 2 is communicated with one end of the connecting cylinder 4 through a connecting piece 3; the other end of the connecting cylinder 4 is arranged on the pipeline to be tested through a flange 5; the anti-blocking assembly 6 is arranged inside the connecting cylinder 4 and the detection tube 2. The anti-blocking assembly 6 comprises a sliding sleeve 12, a slag blocking net 13, a connecting rope 14, an anti-blocking piece 15, a sliding rod 17 and a spring 18; a sliding groove 16 is arranged on the inner wall of the connecting cylinder 4; the sliding rod 17 is arranged on the sliding groove 16 in a sliding manner; the spring 18 is arranged in the sliding groove 16, one end of the spring is connected with the groove wall of the sliding groove 16, and the other end of the spring is connected with the sliding rod 17; the sliding sleeve 12 is connected with a sliding rod 17 and slides along the inner wall of the connecting cylinder 4; the slag blocking net 13 is arranged on the sliding sleeve 12; one end of the connecting rope 14 is connected with the slag-resisting net 13, and the other end thereof extends into the detection tube 2 and is connected with the inner wall thereof; the anti-blocking member 15 is provided on the connecting string 14.

The working principle of the embodiment is as follows: the device is directly installed on the pipeline to be detected through the flange 5, and the detection pipe 2 is communicated with the pipeline to be detected. The installation easy operation, the installation is firm, convenient dismantlement and maintenance. The fluid sample flows into the connecting cylinder 4 and the detection tube 2 from the pipeline to be detected in sequence. The sliding sleeve 12 is moved up and down in the connecting cylinder 4 by the fluid. The slag blocking net 13 moves synchronously and intercepts impurities at the same time. The connecting rope 14 and the anti-blocking piece 15 swing along with the movement of the slag blocking net 13 to dredge the detection pipe 2. Effectively avoided impurity entering detecting tube 2, also avoided fluid sample concentration too big, the detecting tube 2 that causes blocks up, has guaranteed the stability of device work, reduces the frequency of overhauing, further improves its steadiness.

Example two

As shown in fig. 1-4, the present invention provides a robust pressure transmitter, which includes a main body 1; the lower end of the main body 1 is provided with a detection tube 2; the anti-blocking device also comprises a connecting piece 3, a connecting cylinder 4, a flange 5 and an anti-blocking component 6; the detection tube 2 is communicated with one end of the connecting cylinder 4 through a connecting piece 3; the other end of the connecting cylinder 4 is arranged on the pipeline to be tested through a flange 5; the anti-blocking assembly 6 is arranged inside the connecting cylinder 4 and the detection tube 2. The anti-blocking assembly 6 comprises a sliding sleeve 12, a slag blocking net 13, a connecting rope 14, an anti-blocking piece 15, a sliding rod 17 and a spring 18; a chute 16 is arranged on the inner wall of the connecting cylinder 4; the sliding rod 17 is arranged on the sliding groove 16 in a sliding manner; the spring 18 is arranged in the sliding groove 16, one end of the spring is connected with the groove wall of the sliding groove 16, and the other end of the spring is connected with the sliding rod 17; the sliding sleeve 12 is connected with a sliding rod 17 and slides along the inner wall of the connecting cylinder 4; the slag blocking net 13 is arranged on the sliding sleeve 12; one end of the connecting rope 14 is connected with the slag-resisting net 13, and the other end thereof extends into the detecting tube 2 and is connected with the inner wall thereof; the anti-blocking member 15 is provided on the connecting string 14.

As shown in fig. 2, the anti-blocking members 15 are provided in multiple groups, and the multiple groups of anti-blocking members 15 are arranged at equal intervals along the connecting rope 14. The anti-blocking member 15 is spherical. The slag blocking net 13 is of a bowl-shaped structure, and the opening end of the slag blocking net is connected with the sliding sleeve 12. The connecting rope 14 and the anti-blocking piece 15 are externally provided with an anti-corrosion high-temperature-resistant coating.

In the embodiment, a plurality of groups of spherical anti-blocking parts 15 and the bowl-shaped slag blocking net 13 are arranged, so that the slag blocking area is large, the resistance to fluid is small, and the blockage is avoided. The connecting rope 14 and the anti-blocking piece 15 are corrosion-resistant and high-temperature resistant, and have long service life.

EXAMPLE III

As shown in fig. 1-4, the present invention provides a stable pressure transmitter, which includes a main body 1; the lower end of the main body 1 is provided with a detection tube 2; the anti-blocking device also comprises a connecting piece 3, a connecting cylinder 4, a flange 5 and an anti-blocking component 6; the detection tube 2 is communicated with one end of the connecting cylinder 4 through a connecting piece 3; the other end of the connecting cylinder 4 is arranged on the pipeline to be tested through a flange 5; the anti-blocking assembly 6 is arranged inside the connecting cylinder 4 and the detection tube 2. The anti-blocking assembly 6 comprises a sliding sleeve 12, a slag blocking net 13, a connecting rope 14, an anti-blocking piece 15, a sliding rod 17 and a spring 18; a sliding groove 16 is arranged on the inner wall of the connecting cylinder 4; the sliding rod 17 is arranged on the sliding chute 16 in a sliding manner; the spring 18 is arranged in the sliding groove 16, one end of the spring is connected with the groove wall of the sliding groove 16, and the other end of the spring is connected with the sliding rod 17; the sliding sleeve 12 is connected with a sliding rod 17 and slides along the inner wall of the connecting cylinder 4; the slag blocking net 13 is arranged on the sliding sleeve 12; one end of the connecting rope 14 is connected with the slag-resisting net 13, and the other end thereof extends into the detecting tube 2 and is connected with the inner wall thereof; the anti-blocking member 15 is provided on the connecting string 14.

As shown in fig. 3, the connecting cylinder 4 is provided with a mounting sleeve 7 and a screw 8; the mounting sleeve 7 and the connecting cylinder 4 are of an integrated structure, the upper end of the mounting sleeve is provided with an internal thread and an external thread, and the lower end of the mounting sleeve is provided with a mounting through hole 9; the mounting through hole 9 is of a stepped structure and is in threaded fit with the screw 8. The lower end of the detection tube 2 is provided with an external thread section matched with the mounting sleeve 7; the lower end of the external thread section is provided with a clamping groove 19; the engaging groove 19 communicates with the mounting through hole 9 and engages with the screw 8. The connecting piece 3 comprises a sealing ring 11 and a sealing cover 10; the sealing ring 11 is sleeved on the periphery of the mounting sleeve 7 and is positioned below the sealing cover 10; the sealing cover 10 is sleeved on the periphery of the detection tube 2, is provided with an internal thread section and is matched with the mounting sleeve 7 through the internal thread section.

In this embodiment, when the detection tube 2 needs to be detached, the sealing cap 10 is unscrewed and separated from the sealing ring 11. The screw 8 is taken down, and the detection tube 2 can be screwed down. The installation, dismantle conveniently, the local cleanness of being convenient for, the maintenance has improved flexibility, the convenience that the device used.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A robust pressure transmitter comprising a body (1); the lower end of the main body (1) is provided with a detection tube (2); the anti-blocking device is characterized by also comprising a connecting piece (3), a connecting cylinder (4), a flange (5) and an anti-blocking component (6); the detection tube (2) is communicated with one end of the connecting cylinder (4) through a connecting piece (3); the other end of the connecting cylinder (4) is arranged on a pipeline to be tested through a flange (5); the anti-blocking component (6) is arranged in the connecting cylinder (4) and the detection pipe (2);

the anti-blocking component (6) comprises a sliding sleeve (12), a slag blocking net (13), a connecting rope (14), an anti-blocking piece (15), a sliding rod (17) and a spring (18); a sliding groove (16) is arranged on the inner wall of the connecting cylinder (4); the sliding rod (17) is arranged on the sliding groove (16) in a sliding manner; the spring (18) is arranged in the sliding groove (16), one end of the spring is connected with the groove wall of the sliding groove (16), and the other end of the spring is connected with the sliding rod (17); the sliding sleeve (12) is connected with a sliding rod (17) and slides along the inner wall of the connecting cylinder (4); the slag blocking net (13) is arranged on the sliding sleeve (12); one end of the connecting rope (14) is connected with the slag resistance net (13), and the other end of the connecting rope extends into the detection pipe (2) and is connected with the inner wall of the detection pipe; the anti-blocking piece (15) is arranged on the connecting rope (14).

2. A robust pressure transmitter according to claim 1, characterized in that a plurality of groups of anti-jamming elements (15) are provided, the groups of anti-jamming elements (15) being equally spaced along the connecting rope (14).

3. A robust pressure transmitter according to claim 1, characterized in that the anti-jamming element (15) is spherical.

4. A robust pressure transmitter according to claim 1, wherein the slag barrier (13) is a bowl-shaped structure with an open end connected to the sliding sleeve (12).

5. A robust pressure transmitter according to claim 1, characterized in that the connection strings (14) and the outer parts of the anti-clogging elements (15) are provided with an anti-corrosive and temperature resistant coating.

6. A robust pressure transmitter according to claim 1, wherein the connection cylinder (4) is provided with a mounting sleeve (7) and a screw (8); the mounting sleeve (7) and the connecting cylinder (4) are of an integrated structure, the upper end of the mounting sleeve is provided with an internal thread and an external thread, and the lower end of the mounting sleeve is provided with a mounting through hole (9); the mounting through hole (9) is of a stepped structure and is in threaded fit with the screw (8).

7. A robust pressure transmitter according to claim 6, characterized in that the lower end of the sensing tube (2) is provided with an external threaded section cooperating with the mounting sleeve (7); the lower end of the external thread section is provided with a clamping groove (19); the clamping groove (19) is communicated with the mounting through hole (9) and is clamped with the screw (8).

8. A robust pressure transmitter according to claim 6, characterized in that the connection element (3) comprises a sealing ring (11) and a sealing cover (10); the sealing ring (11) is sleeved on the periphery of the mounting sleeve (7) and is positioned below the sealing cover (10); the sealing cover (10) is sleeved on the periphery of the detection pipe (2), is provided with an internal thread section and is matched with the mounting sleeve (7) through the internal thread section.