CN217542057U

CN217542057U - Liquid level sensor suitable for high temperature and high pressure environment

Info

Publication number: CN217542057U
Application number: CN202221236055.9U
Authority: CN
Inventors: 韩笑
Original assignee: Daqing Meilong Measurement And Control Technology Co ltd
Current assignee: Daqing Meilong Measurement And Control Technology Co ltd
Priority date: 2022-05-21
Filing date: 2022-05-21
Publication date: 2022-10-04
Anticipated expiration: 2032-05-21

Abstract

The utility model discloses a level sensor suitable for high temperature high pressure environment, including the detecting tube, the top threaded connection of detecting tube has spacing sleeve pipe, the connecting pipe is installed at spacing sheathed tube top, the connecting seat is installed at the top of connecting pipe, the thread groove has been seted up at the top of connecting seat, the top of connecting seat is connected with the linking lid, link up one side of lid and install spacing pipe, the surface of spacing pipe has cup jointed thermal-insulated pipe, the inner wall joint of detecting tube has the heat insulating mattress. The utility model discloses a cup joint of thermal-insulated pipe on the spacing pipe to the spacing pipe of cooperation plays dual thermal-insulated protection's effect to the line subassembly, adds then to the thermal-insulated guard action of line subassembly, and the setting through separating the temperature pipe of spacing sheathed tube inside, thereby can play the effect of parcel protection to the sensor body, adds the thermal-insulated guard action when the device uses then.

Description

Liquid level sensor suitable for high temperature high pressure environment

Technical Field

The utility model relates to a level sensor technical field specifically is a level sensor suitable for high temperature high pressure environment.

Background

The liquid level sensor is a pressure sensor for measuring liquid level, and the static pressure input type liquid level transmitter is based on the principle that the static pressure of the measured liquid is proportional to the height of the liquid, but the existing liquid level sensor still has certain defects when being installed and used, so that the practicability of the device is influenced, and the existing use requirements are difficult to satisfy.

The liquid level sensor in the prior art has the following defects:

when the existing partial liquid level sensor is used, a practical high-temperature resistant structure is lacked for the high-temperature use environment, so that the practicability of the device is influenced, and the existing use requirement is difficult to satisfy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a level sensor suitable for high temperature high pressure environment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides the following technical scheme, a liquid level sensor suitable for high temperature and high pressure environment, which comprises a detection tube, wherein the top of the detection tube is in threaded connection with a limit sleeve, and the top of the limit sleeve is provided with a connecting tube;

the connecting seat is installed at the top of connecting pipe, the thread groove has been seted up at the top of connecting seat, the top of connecting seat is connected with the linking lid, link up one side of lid and install spacing pipe, the surface of spacing pipe has cup jointed thermal-insulated pipe, the inner wall joint of detection tube has the heat insulating mattress.

Preferably, the inner wall of the connecting cover is slidably connected with a clamping rod, and the front end of the clamping rod is provided with an anti-skid block.

Preferably, the inner wall of the detection pipe is embedded with a telescopic rod assembly, and the front end of the telescopic rod assembly is connected to the outer surface of the heat insulation pad.

Preferably, a screw ring is installed at one side of the engagement cover, and an outer surface of the screw ring is screw-coupled to an inside of the screw groove.

Preferably, the inner wall of the limiting sleeve is provided with a heat insulation pipe, the inner wall of the heat insulation pipe is provided with a sensor body, the front end of the sensor body is inserted into the detection pipe, and the bottom of the detection pipe is provided with two groups of through grooves.

Preferably, the top of connecting pipe is provided with circuit subassembly, and spacing pipe cup joint in circuit subassembly's surface, the equal joint in top of spacing sheathed tube bottom and detecting tube has the sealing ring.

Preferably, the inner wall of the linking cover is rotatably connected with a guide plate, the outer side of the guide plate is connected with the outer surface of the anti-slip block, the inner wall of the linking cover is provided with a buffer spring, and the front end of the buffer spring is connected with the tail end of the clamping rod.

Preferably, the top and the bottom of the clamping rod are both provided with limiting sliding blocks, and the limiting sliding blocks are connected inside the connecting cover in a sliding mode.

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

1. the utility model discloses a cup joint of thermal-insulated pipe on the spacing pipe to the effect of dual thermal-insulated protection is played to line assembly to the spacing pipe of cooperation, adds then to the thermal-insulated guard action of line assembly, and the inside setting through the pipe that separates the temperature of spacing sheathed tube, thereby can play the effect of parcel protection to the sensor body, adds the thermal-insulated guard action when using then.

2. The utility model discloses a clamping action of deflector carries out the erection joint back at the connecting seat then with linking the lid, can add the compactness to line assembly joint, adds the stability that links up lid and spacing pipe cup jointed then.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the detecting tube of the present invention;

FIG. 3 is a schematic sectional view of the engagement cover structure of the present invention;

FIG. 4 is a schematic sectional view of the heat insulation mat of the present invention;

fig. 5 is a schematic view of the structure of the limiting sleeve of the present invention.

In the figure: 1. a detection tube; 2. a limiting sleeve; 3. a connecting pipe; 4. a connecting seat; 5. a thread groove; 6. an engagement cover; 7. a limiting pipe; 8. a heat insulation pipe; 9. a heat insulating pad; 10. a clamping rod; 11. anti-skid blocks; 12. a telescopic rod assembly; 13. a threaded ring; 14. a thermal insulation pipe; 15. a sensor body; 16. a through groove; 17. a line component; 18. a seal ring; 19. a guide plate; 20. a buffer spring; 21. and a limiting sliding block.

Detailed Description

Referring to fig. 1, 2, 4 and 5, a liquid level sensor suitable for high temperature and high pressure environment;

the detection device comprises a detection tube 1, the top of the detection tube 1 is in threaded connection with a limiting sleeve 2, the top of the limiting sleeve 2 is provided with a connecting tube 3, the top of the connecting tube 3 is provided with a connecting seat 4, the top of the connecting seat 4 is provided with a threaded groove 5, the top of the connecting seat 4 is connected with a linking cover 6, one side of the linking cover 6 is provided with a limiting tube 7, the outer surface of the limiting tube 7 is sleeved with a heat insulation tube 8, the inner wall of the detection tube 1 is clamped with a heat insulation pad 9, the inner wall of the detection tube 1 is embedded with a telescopic rod assembly 12, the front end of the telescopic rod assembly 12 is connected to the outer surface of the heat insulation pad 9, the inner wall of the limiting sleeve 2 is provided with a heat insulation tube 14, the inner wall of the heat insulation tube 14 is provided with a sensor body 15, the front end of the sensor body 15 is inserted into the detection tube 1, the bottom of the detection tube 1 is provided with two groups of through grooves 16, the top of the connecting tube 3 is provided with a circuit assembly 17, the limiting tube 7 is sleeved on the outer surface of the circuit assembly 17, and the bottom of the limiting sleeve 2 and the top of the detection tube 1 are respectively provided with sealing rings 18;

the setting of the inside accessible heat insulating mattress 9 of test tube 1, thereby play the effect of parcel protection to the installation of sensor body 15, and the elasticity of accessible telescopic rod subassembly 12 in the test tube 1, thereby add the spacing activity of heat insulating mattress 9, then can be used to the joint effect to sensor body 15 front end, then be convenient for sensor body 15 carries out the detection achievement of data through link up groove 16, telescopic rod subassembly 12 has upper boom and lower boom constitution upper boom can carry out spacing slip in the inside of lower boom, and the bottom of upper boom is provided with spacing fixture block, thereby make the inside that the bottom of upper boom can not roll off the lower boom completely, then reach the effect that flexible free was adjusted, thereby supplementary heat insulating mattress 9's spacing activity, and carry out erection joint through threaded connection's mode between spacing sleeve pipe 2 and the test tube 1, the setting of sealing ring 18 can add the compactness of the two connection, outside high temperature that also alleviates, influence to the device inside.

Referring to fig. 1, 2 and 3, a liquid level sensor suitable for use in high temperature and high pressure environment;

the inner wall of the joining cover 6 is connected with a clamping rod 10 in a sliding mode, the front end of the clamping rod 10 is provided with an anti-skidding block 11, one side of the joining cover 6 is provided with a threaded ring 13, the outer surface of the threaded ring 13 is connected with the inside of the threaded groove 5 in a threaded mode, the inner wall of the joining cover 6 is connected with a guide plate 19 in a rotating mode, the outer side of the guide plate 19 is connected with the outer surface of the anti-skidding block 11, the inner wall of the joining cover 6 is provided with a buffer spring 20, the front end of the buffer spring 20 is connected with the tail end of the clamping rod 10, the top and the bottom of the clamping rod 10 are both provided with limiting sliding blocks 21, and the limiting sliding blocks 21 are connected with the inside of the joining cover 6 in a sliding mode;

carry out erection joint through threaded connection's mode between spacing sleeve 2 and the sense tube 1, then add erection joint's convenience between the two, and connecting seat 4 and link up have equally between the lid 6 good just tear open to, add the effect of the convenient dismantlement of device structure then, also add the convenience for the maintenance and the change work of device inner structure.

Theory of operation, through linking up the setting of lid 6 and spacing sleeve pipe 2, link up and carry out threaded connection between the thread groove 5 on lid 6 through threaded ring 13 and connecting seat 4, adopt threaded connection's mode, thereby add the convenience that links up lid 6 erection joint, link up lid 6 installation back, make spacing pipe 7 can play the effect of cup jointing the parcel to circuit subassembly 17, and cup joint through thermal-insulated pipe 8 on the spacing pipe 7, thereby cooperate spacing pipe 7 to play the effect of dual thermal-insulated protection to circuit subassembly 17, then add the thermal-insulated guard action to circuit subassembly 17, setting through supporting rod 10 and deflector 19, the setting of supporting rod 10 accessible ware surface limit slide block 21, increase the spacing slip nature of supporting rod 10, and under buffer spring 20's effect, thereby add the centre gripping nature of supporting rod 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A liquid level sensor suitable for high temperature and high pressure environment, comprises a detection tube (1), and is characterized in that: the top of the detection tube (1) is in threaded connection with a limiting sleeve (2), and the top of the limiting sleeve (2) is provided with a connecting tube (3);

connecting seat (4) are installed at the top of connecting pipe (3), thread groove (5) have been seted up at the top of connecting seat (4), the top of connecting seat (4) is connected with linking lid (6), spacing pipe (7) are installed to one side of linking lid (6), thermal-insulated pipe (8) have been cup jointed to the surface of spacing pipe (7), the inner wall joint of detecting tube (1) has heat insulating mattress (9).

2. The liquid level sensor suitable for use in a high temperature and high pressure environment of claim 1, wherein: the inner wall of the connecting cover (6) is connected with a clamping rod (10) in a sliding mode, and an anti-skid block (11) is arranged at the front end of the clamping rod (10).

3. The liquid level sensor suitable for high-temperature and high-pressure environment as claimed in claim 1, wherein: the inner wall of the detection pipe (1) is embedded with a telescopic rod component (12), and the front end of the telescopic rod component (12) is connected to the outer surface of the heat insulation pad (9).

4. The liquid level sensor suitable for high-temperature and high-pressure environment as claimed in claim 1, wherein: and a threaded ring (13) is installed on one side of the connecting cover (6), and the outer surface of the threaded ring (13) is in threaded connection with the inside of the threaded groove (5).

5. The liquid level sensor suitable for high-temperature and high-pressure environment as claimed in claim 1, wherein: the inner wall of the limiting sleeve (2) is provided with a heat insulation pipe (14), the inner wall of the heat insulation pipe (14) is provided with a sensor body (15), the front end of the sensor body (15) is inserted into the detection pipe (1), and the bottom of the detection pipe (1) is provided with two sets of through grooves (16).

6. The liquid level sensor suitable for use in a high temperature and high pressure environment of claim 1, wherein: the top of connecting pipe (3) is provided with circuit subassembly (17), and spacing pipe (7) cup joint in the surface of circuit subassembly (17), the equal joint in the top of the bottom of spacing sleeve pipe (2) and detecting tube (1) has sealing ring (18).

7. The liquid level sensor suitable for high-temperature and high-pressure environment as claimed in claim 1, wherein: the inner wall of the connecting cover (6) is rotatably connected with a guide plate (19), the outer side of the guide plate (19) is connected with the outer surface of the antiskid block (11), the inner wall of the connecting cover (6) is provided with a buffer spring (20), and the front end of the buffer spring (20) is connected with the tail end of the clamping rod (10).

8. The liquid level sensor suitable for high-temperature and high-pressure environment as claimed in claim 2, wherein: the top and the bottom of the clamping rod (10) are both provided with a limiting slide block (21), and the limiting slide block (21) is connected inside the connecting cover (6) in a sliding manner.