CN218378108U

CN218378108U - High temperature resistant pressure transmitter

Info

Publication number: CN218378108U
Application number: CN202222773334.5U
Authority: CN
Inventors: 李丽珍
Original assignee: Huaneng Fujian Energy Development Co Ltd Fuzhou Branch
Current assignee: Huaneng Fujian Energy Development Co Ltd Fuzhou Branch
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-01-24
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a high temperature resistant pressure transmitter, the bottom end of the pressure transmitter is provided with a connecting pipe, the bottom of which is provided with a thread groove; the rotating assembly comprises a threaded pipe and an operating rod arranged on the outer wall of the threaded pipe; the upper end of the conduit is in threaded connection with the thread groove of the connecting pipe; the external threads of the guide pipe and the connecting pipe are in threaded connection with the internal threads of the threaded pipe; the sealing assembly is arranged between the connecting pipe and the guide pipe; the sealing gasket is arranged in the thread groove and is abutted against the guide pipe; the sealing gasket and the sealing assembly are arranged between the connecting pipe and the guide pipe, and when the threaded interface between the connecting pipe and the guide pipe is heated and loosened, the sealing gasket and the sealing assembly which are arranged in a staggered mode can avoid liquid or gas leakage; the protection structure that guard plate and set casing mutually supported constitution can separate foreign object and pressure transmitter body for the pressure transmitter body is difficult for taking place to damage under the striking of foreign object, has guaranteed the normal life of pressure transmitter body.

Description

High temperature resistant pressure transmitter

Technical Field

The utility model relates to a high temperature resistance pressure transmitter belongs to pressure transmitter technical field.

Background

The pressure transmitter is a device for converting pressure into a pneumatic signal or an electric signal for control and remote transmission, and can convert physical pressure parameters of gas, liquid and the like sensed by a load cell sensor into standard electric signals so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation;

when pressure transmitter is connected with the pipeline in the high temperature liquid or gas of carrying, because of pressure transmitter passes through spiro union connection's mode and pipe connection, the screw thread interface department of pressure transmitter probably is easily appeared becoming flexible because of being heated and then leads to the junction to appear liquid or the gaseous condition of leaking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant pressure transmitter to solve the problem of proposing in the above-mentioned background art.

The technical scheme of the utility model as follows:

a high temperature resistant pressure transmitter comprising:

the bottom end of the pressure transmitter is provided with a connecting pipe, and the bottom of the connecting pipe is provided with a thread groove;

the rotating assembly comprises a threaded pipe and an operating rod arranged on the outer wall of the threaded pipe;

the upper end of the guide pipe is in threaded connection with the thread groove of the connecting pipe;

the external threads of the guide pipe and the connecting pipe are in threaded connection with the internal threads of the threaded pipe;

a seal assembly disposed between the connection tube and the conduit;

and the sealing gasket is arranged in the thread groove and is abutted to the guide pipe.

Preferably, the outer wall of the pressure transmitter is wrapped with a protection component.

Preferably, the protection assembly comprises a fixed shell and an observation window, and the observation window corresponds to the digital display position of the pressure transmitter.

Preferably, the inner side wall of the fixed shell is connected with the pressure transmitter through a spring pad.

Preferably, the fixed shell is rotatably connected with a protection plate, and the outer side of the protection plate is provided with an anti-skid pad.

Preferably, the sealing assembly comprises a first sealing ring and a second sealing ring, and the first sealing ring and the second sealing ring are respectively positioned on the inner side and the outer side of the upper end of the guide pipe.

The utility model discloses following beneficial effect has:

the sealing gasket and the sealing assembly are arranged between the connecting pipe and the guide pipe, and when the threaded interface between the connecting pipe and the guide pipe is heated and loosened, the sealing gasket and the sealing assembly which are arranged in a staggered mode can avoid liquid or gas leakage;

the protective structure that guard plate and set casing mutually supported constitute can separate foreign object and pressure transmitter body for the pressure transmitter body is difficult for taking place to damage under the striking of foreign object, has guaranteed the normal life of pressure transmitter body.

Drawings

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

FIG. 2 is a schematic view of the fitting structure of the connecting tube and the guide tube of the present invention;

fig. 3 is a schematic view of another directional structure of fig. 1.

The reference numbers in the figures denote:

1. a pressure transmitter; 11. a pressure transmitter body; 12. a connecting pipe; 2. a spring pad; 3. a guard assembly; 31. a stationary case; 32. a protection plate; 33. a non-slip mat; 34. an observation window; 4. a rotating assembly; 41. a threaded pipe; 42. an operating lever; 5. a conduit; 6. a thread groove; 7. a gasket; 8. a seal assembly; 81. a first seal ring; 82. and a second seal ring.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3:

the pressure transmitter 1 comprises a pressure transmitter body 11 and a connecting pipe 12, wherein the bottom end of the pressure transmitter body 11 is fixedly connected with the connecting pipe 12, the outer wall of the connecting pipe 12 is provided with an external thread, the bottom of the connecting pipe 12 is provided with a thread groove 6, and the top wall in the thread groove 6 is provided with a sealing gasket 7;

the inner side wall of the upper part of the guide pipe 5 is an internal thread, and the outer side wall of the lower part of the guide pipe 5 is an external thread.

As shown in fig. 2, the sealing assembly 8 includes a first sealing ring 81 and a second sealing ring 82, a stepped structure is formed between the upper portion and the lower portion of the guide pipe 5, and the first sealing ring 81 and the second sealing ring 82 are disposed on the step (the upper wall of the lower portion of the guide pipe 5) and are located on the inner side and the outer side of the guide pipe 5.

The upper part of the guide pipe 5 is inserted into the thread groove 6 and is in threaded connection, the upper part of the guide pipe 5 is structurally matched with the thread groove 6, the sealing gasket 7 is tightly pressed on the top wall of the guide pipe 5 in the thread groove 6 through the upper part of the guide pipe 5, meanwhile, the top wall of the lower part of the guide pipe 5 tightly presses the first sealing ring 81 and the second sealing ring 82 on the bottom wall of the connecting pipe 12, and the first sealing ring 81 and the second sealing ring 82 are relatively positioned in the middle of the guide pipe 5 and positioned on the inner side and the outer side of the sealing gasket 7;

the rotating assembly 4 comprises a threaded pipe 41 and a plurality of operating rods 42 uniformly distributed on the outer wall of the threaded pipe 41, the threaded pipe 41 is conveniently driven to rotate by the operating rods 42, and the threaded pipe 41 is in threaded connection with the outer wall of the guide pipe 5 and the outer wall of the connecting pipe 12.

The protection assembly 3 comprises a fixed shell 31, protection plates 32, anti-slip pads 33 and an observation window 34, wherein the spring pads 2 are arranged on the left side and the right side of the pressure transmitter body 11, the two groups of spring pads 2 are fixed on the two sides of the inner side wall of the fixed shell 31, the left side and the right side of the pressure transmitter body 11 are arranged in the inner cavity of the fixed shell 31 through the spring pads 2, the two groups of protection plates 32 are hinged on the front side and the rear side of the fixed shell 31 through hinges, the anti-slip pads 33 are fixed on the outer side of the protection plates 32, when a user rotates the protection plates 32, the anti-slip pads 33 increase the friction between the palm of the user and the protection plates 32, so that the user cannot generate the condition of hand slip in the process of rotating the protection plates 32, and the protection plates 32 are rotated to be opened or closed;

the front face of the protective plate 32 is provided with a viewing window 34, and through the viewing window 34, a user can read the reading on the pressure transmitter body 11.

The first sealing ring 81 and the second sealing ring 82 are both circular in shape, the gasket 7 is circular in shape, and by providing the gasket 7, when the top wall of the conduit 5 is pressed against the gasket 7, the conduit 5 and the gasket 7 cooperate with each other to seal the gap between the conduit 5 and the thread groove 6.

The utility model discloses a theory of operation and use flow: when the pressure transmitter 1 and the guide pipe 5 need to be connected together, the guide pipe 5 is rotated, the upper part of the rotated guide pipe 5 is screwed into the thread groove 6, the guide pipe 5 rotated in the thread groove 6 drives the sealing gasket 7, the first sealing ring 81 and the second sealing ring 82 to move, when the sealing gasket 7 is contacted with the upper surface of the inner wall of the thread groove 6, the guide pipe 5 drives the first sealing ring 81 and the second sealing ring 82 to be contacted with the connecting pipe 12, the threaded pipe 41 is rotated forwards, the threaded pipe 41 rotates downwards on the outer surface of the connecting pipe 12, and the threaded pipe 41 rotated downwards is screwed on the outer surface of the guide pipe 5, so that the pressure transmitter 1 and the guide pipe 5 can be connected together in a highly sealed manner.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A high temperature resistant pressure transmitter which characterized in that: the method comprises the following steps:

the pressure transmitter (1), wherein a connecting pipe (12) is arranged at the bottom end of the pressure transmitter (1), and a thread groove (6) is formed in the bottom of the connecting pipe (12);

the rotating assembly (4), the rotating assembly (4) comprises a threaded pipe (41) and an operating rod (42) arranged on the outer wall of the threaded pipe (41);

the upper end of the guide pipe (5) is in threaded connection with the thread groove (6) of the connecting pipe (12);

the external threads of the guide pipe (5) and the connecting pipe (12) are in threaded connection with the internal threads of the threaded pipe (41);

a sealing assembly (8), said sealing assembly (8) being arranged between the connecting tube (12) and the conduit (5);

and the sealing gasket (7) is arranged in the thread groove (6) and is abutted against the guide pipe (5).

2. A high temperature resistant pressure transmitter as claimed in claim 1, wherein: the outer wall of the pressure transmitter (1) is wrapped by a protection component (3).

3. The high temperature resistant pressure transmitter of claim 2 wherein: protection component (3) are including fixed shell (31) and observation window (34), observation window (34) correspond the digital display position of pressure transmitter (1).

4. A high temperature resistant pressure transmitter as claimed in claim 3, wherein: the inner side wall of the fixed shell (31) is connected with the pressure transmitter (1) through the spring pad (2).

5. A high temperature resistant pressure transmitter as claimed in claim 3, wherein: the fixed shell (31) is rotatably connected with a protection plate (32), and an anti-skid pad (33) is arranged on the outer side of the protection plate (32).

6. The high temperature resistant pressure transmitter of claim 1 wherein: the sealing assembly (8) comprises a first sealing ring (81) and a second sealing ring (82), wherein the first sealing ring (81) and the second sealing ring (82) are respectively positioned on the inner side and the outer side of the upper end of the guide pipe (5).