CN210953233U

CN210953233U - High-precision pressure transmitter

Info

Publication number: CN210953233U
Application number: CN201922260085.8U
Authority: CN
Inventors: 黄玺榕
Original assignee: Jiangsu Jinyuan Instrument Co ltd
Current assignee: Jiangsu Jinyuan Instrument Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-07
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to the technical field of pressure transmitters, and discloses a high-precision pressure transmitter, wherein a fixer is arranged on a pressure transmitter main body, a fixed hole is arranged on the fixer, a clamping column is arranged on the fixer, a fixed ring is arranged on the fixed groove, a positioning groove is arranged on the fixed ring, a turbulence cover is arranged on the clamping column, a water injection groove is arranged on the turbulence cover, a water injection cavity is arranged on the turbulence cover, a special-shaped water injection orifice is arranged on the water injection cavity, the clamping column is rotated by rotating the turbulence cover, the turbulence cover is arranged right above the clamping column, the clamping column is connected with the fixer through threads, the fixing ring is rotated, so that the positioning groove is vertically corresponding to the fixing hole, and screws are implanted into the fixing hole and the positioning groove, thereby make vortex lid and pressure transmitter main part together fixed, through to the water injection inslot water injection to make water flow in to the water injection intracavity, the water of water injection intracavity is followed special-shaped water injection orifice and is gone up the blowout to the pressure transmitter main part.

Description

High-precision pressure transmitter

Technical Field

The invention relates to the technical field of pressure transmitters, in particular to a high-precision pressure transmitter.

Background

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission.

The pressure sensor can convert physical pressure parameters of gas, liquid and the like sensed by the pressure element sensor into standard electric signals (such as 4-20 mADC and the like) 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.

The pressure transmitter is important to ensure the normal operation of the device by keeping the mounting hole clean and preventing the clogging of the melt, which may flow into the mounting hole and harden, and if the residual melt is not removed, the top of the pressure transmitter may be damaged when the sensor is mounted again, while the existing cleaning is performed by directly flushing the pressure transmitter with a flushing pipe, which makes the worker unable to perform the overall cleaning of the pressure transmitter during the operation, causing the damage of the pressure transmitter, and thus a high-precision pressure transmitter is required.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the high-precision pressure transmitter which has the advantages of rapidness and completeness in cleaning and the like, and solves the problem that the traditional cleaning mode is not easy to completely flush.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a high-precision pressure transmitter comprises a pressure transmitter main body, wherein a fixer is arranged on the pressure transmitter main body, a fixing hole is formed in the fixer, a clamping column is arranged on the fixer, a fixing ring is arranged on the fixing groove, a positioning groove is formed in the fixing ring, a turbulence cover is arranged on the clamping column, the turbulence cover is of a hollow cylindrical structure, an opening is formed in the lower wall surface of the turbulence cover, the inner bottom wall surface of the turbulence cover is fixedly installed with the upper wall surface of the clamping column, the clamping column is located at the center of the bottom wall surface of the turbulence cover, the pressure transmitter main body is located in the hollow position of the clamping column, and the lower tip of pressure transmitter main part extends to the outside of card post, has seted up the water injection groove on the vortex lid, and the water injection groove is circular groove, and the water injection groove is located the upper wall center department of vortex lid, has seted up the water injection chamber on the vortex lid, has seted up special-shaped water injection orifice on the water injection chamber.

Preferably, the fixer is of a circular ring structure, an internal thread is formed in the inner circular wall surface of the fixer, the fixer is located in the center of the upper wall surface of the pressure transmitter main body, and the lower wall surface of the fixer and the upper wall surface of the pressure transmitter main body are fixedly installed together.

Preferably, the fixed orifices has two, and two fixed orifices all are located the last wall of fixer, and the fixed orifices is the circular port, and the fixed orifices has run through the last wall and the lower wall of fixer, has seted up the internal thread on the interior round wall of fixed orifices, and the constant head tank is the circular port, and the constant head tank is located solid fixed ring's lower wall, and the constant head tank has two, and two constant head tanks correspond from top to bottom with two fixed orifices positions respectively, and the internal thread has been seted up to the interior outer wall of constant head tank.

Preferably, the card post is cylindrical structure, and the card post is located the inside of fixer, and has seted up the external screw thread on the excircle wall of card post, and the card post is in the same place with fixer threaded connection, has seted up the fixed slot on the card post, and the fixed slot is the circular ring groove, and the fixed slot is located the excircle wall of card post, and solid fixed ring is the circular ring structure, and solid fixed ring is in the same place with the fixed slot joint, and solid fixed ring is located the top of fixer.

Preferably, the water injection chamber is the barrel type chamber, and the shape in water injection chamber is the same with the shape of vortex lid, and the water injection chamber is located the inside of card post, and the water injection chamber is in the same place with the water injection groove intercommunication.

Preferably, the special-shaped water injection spray hole is an S-shaped hole, the special-shaped water injection spray hole is located in the inner circular wall surface of the turbulence cover, the special-shaped water injection spray hole penetrates through the inner circular wall surface of the turbulence cover and the inner cavity wall surface of one side, close to the pressure transmitter main body, of the water injection cavity, the special-shaped water injection spray hole is communicated with the inside of the turbulence cover and the inside of the cavity of the water injection cavity, and the special-shaped water injection spray hole is distributed in the inner circular wall surface.

(III) advantageous effects

Compared with the prior art, the invention provides a high-precision pressure transmitter, which has the following beneficial effects:

1. this high accuracy pressure transmitter through to water injection tank internal water injection to make water flow in to the water injection intracavity, the water of water injection intracavity is followed special-shaped water injection orifice and is spun in to the pressure transmitter main part, thereby makes high accuracy pressure transmitter can be by all-round washing, can wash completely simultaneously, and can wash fast at any time, does not need the workman to wash the water pipe a pair of part by a pair of part, has improved the cleaning efficiency.

2. This high accuracy pressure transmitter through rotatory vortex lid for the card post is rotatory, places the vortex lid in directly over the card post, and the card post is in the same place with fixer threaded connection, and rotatory solid fixed ring makes constant head tank and fixed orifices correspond from top to bottom, through implanting the screw in fixed orifices and constant head tank, thereby makes vortex lid and pressure transmitter main part fixed together, thereby makes the sensor can not become flexible in the use, thereby influences the integrality of measurement accuracy and part.

3. This high accuracy pressure transmitter through addding the vortex lid for pressure transmitter is inserting hard when having the sediment fluid that condenses, and the vortex lid can protect pressure transmitter main part can not be collided and take place to damage, has played the guard action to pressure transmitter, has improved pressure transmitter's life and measurement accuracy.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a front cross-sectional view of the structure of the present invention;

fig. 4 is a partial schematic view of a in fig. 3.

In the figure: 1 pressure transmitter main part, 2 fixer, 3 fixed orificess, 4 calorie posts, 5 fixed slots, 6 solid fixed rings, 7 constant head tank, 8 vortex lid, 9 water injection grooves, 10 water injection chamber, 11 dysmorphism water injection orifices.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention is a high precision pressure transmitter, including a pressure transmitter main body 1, where the pressure transmitter main body 1 is an existing structure, and will not be described herein, the pressure transmitter main body 1 is an instrument capable of measuring fluid pressure and fluid velocity and converting the fluid pressure and the fluid velocity into a signal, the pressure transmitter main body 1 is composed of a plurality of structures, a holder 2 is disposed on the pressure transmitter main body 1, the holder 2 is a circular ring structure, an internal thread is disposed on an inner circular wall of the holder 2, the holder 2 is located at a center of an upper wall of the pressure transmitter main body 1, a lower wall of the holder 2 is fixedly mounted with the upper wall of the pressure transmitter main body 1, two fixing holes 3 are disposed on the holder 2, the two fixing holes 3 are both located on the upper wall of the holder 2, the fixing holes 3 are circular holes, the fixing holes 3 penetrate through the upper wall and the lower wall of the holder 2, an internal thread is arranged on the inner circular wall surface of the fixing hole 3, a clamping column 4 is arranged on the fixer 2, the clamping column 4 is of a cylindrical structure, the clamping column 4 is positioned inside the fixer 2, an external thread is arranged on the outer circular wall surface of the clamping column 4, the clamping column 4 is in threaded connection with the fixer 2, a fixing groove 5 is arranged on the clamping column 4, the fixing groove 5 is an annular groove, the fixing groove 5 is positioned on the outer circular wall surface of the clamping column 4, a fixing ring 6 is arranged on the fixing groove 5, the fixing ring 6 is of an annular structure, the fixing ring 6 is clamped with the fixing groove 5, the fixing ring 6 can rotate on the fixing groove 5, the fixing ring 6 is positioned above the fixer 2, a positioning groove 7 is arranged on the fixing ring 6, the positioning groove 7 is a circular hole, the positioning groove 7 is positioned on the lower wall surface of the fixing ring 6, the positioning, the inner wall and the outer wall of the positioning groove 7 are provided with internal threads, screws are implanted in the fixing hole 3 and the positioning groove 7, so that the clamping column 4 and the fixer 2 are fixed together, the clamping column 4 is provided with a turbulence cover 8, the turbulence cover 8 is of a hollow cylindrical structure, the lower wall of the turbulence cover 8 is provided with an opening, the inner bottom wall of the turbulence cover 8 is fixedly installed with the upper wall of the clamping column 4, the clamping column 4 is positioned at the center of the bottom wall of the turbulence cover 8, the pressure transmitter main body 1 is positioned at the inner hollow part of the clamping column 4, the lower end part of the pressure transmitter main body 1 extends to the outer part of the clamping column 4, the turbulence cover 8 is provided with a water injection groove 9, the water injection groove 9 is a circular groove, the water injection groove 9 is positioned at the center of the upper wall of the turbulence cover 8, the turbulence cover 8 is provided with a water injection cavity 10, the water injection cavity 10 is a barrel-shaped cavity, and water injection cavity 10 is located the inside of card post 4, water injection cavity 10 communicates with water injection groove 9 and is in the same place, water injection cavity 10 is last to have seted up special-shaped water injection orifice 12, special-shaped water injection orifice 12 is S type hole, special-shaped water injection orifice 12 is located the interior circle wall of vortex lid 8, and special-shaped water injection orifice 12 has run through one side inner chamber wall that vortex lid 8' S interior circle wall and water injection cavity 10 are close to pressure transmitter main part 1, special-shaped water injection orifice 12 has communicated the inside of vortex lid 8 and inside the cavity of water injection cavity 10, special-shaped water injection orifice 12 all with distribute on the interior circle wall of vortex lid 8.

The working principle is as follows:

when using, through rotatory vortex lid 8, make card post 4 rotatory, arrange vortex lid 8 directly over card post 4 in, card post 4 is in the same place with 2 threaded connection of fixer, rotatory solid fixed ring 6, make constant head tank 7 correspond from top to bottom with fixed orifices 3, through implanting the screw in fixed orifices 3 and constant head tank 7, thereby make vortex lid 8 and pressure transmitter main part 1 fixed together, through water injection to water injection groove 9 in, thereby make water flow in to water injection chamber 10, water in the water injection chamber 10 is from special-shaped water injection orifice 12 to blowout on the pressure transmitter main part 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high accuracy pressure transmitter, includes pressure transmitter main part (1), its characterized in that: be provided with fixer (2) on pressure transmitter main part (1), fixed orifices (3) have been seted up on fixer (2), be provided with card post (4) on fixer (2), be provided with solid fixed ring (6) on fixed slot (5), seted up constant head tank (7) on solid fixed ring (6), be provided with vortex lid (8) on card post (4), water injection groove (9) have been seted up on vortex lid (8), water injection chamber (10) have been seted up on vortex lid (8), dysmorphism water injection orifice (12) have been seted up on water injection chamber (10).

2. A high accuracy pressure transmitter as claimed in claim 1, wherein: dysmorphism water injection orifice (12) are S type hole, and dysmorphism water injection orifice (12) are located the interior round wall of vortex lid (8), and special-shaped water injection orifice (12) have run through the interior round wall of vortex lid (8) and water injection chamber (10) and have been close to one side inner chamber wall of pressure transmitter main part (1), and inside the cavity of the inside of vortex lid (8) and water injection chamber (10) has been linked together in special-shaped water injection orifice (12), and special-shaped water injection orifice (12) all with distribute on the interior round wall of vortex lid (8).

3. A high accuracy pressure transmitter as claimed in claim 1, wherein: the water injection cavity (10) is a barrel cavity, the shape of the water injection cavity (10) is the same as that of the turbulence cover (8), the water injection cavity (10) is located inside the clamping column (4), and the water injection cavity (10) is communicated with the water injection groove (9).

4. A high accuracy pressure transmitter as claimed in claim 1, wherein: an internal thread is formed in the inner circular wall surface of the fixer (2), the fixer (2) is located in the center of the upper wall surface of the pressure transmitter main body (1), and the lower wall surface of the fixer (2) is fixedly installed with the upper wall surface of the pressure transmitter main body (1).

5. A high accuracy pressure transmitter as claimed in claim 1, wherein: fixed orifices (3) have two, and two fixed orifices (3) all are located the last wall of fixer (2), and last wall and lower wall that fixer (2) had been run through in fixed orifices (3), set up the internal thread on the interior round wall of fixed orifices (3), and constant head tank (7) are located the lower wall of solid fixed ring (6), and constant head tank (7) have two, and two constant head tanks (7) correspond from top to bottom with two fixed orifices (3) position respectively, and the internal thread has been seted up to the interior outer wall of constant head tank (7).

6. A high accuracy pressure transmitter as claimed in claim 1, wherein: the card post (4) that block is located the inside of fixer (2), and has seted up the external screw thread on the excircle wall of card post (4), and card post (4) and fixer (2) threaded connection have seted up fixed slot (5) on card post (4), and fixed slot (5) are located the excircle wall of card post (4), and solid fixed ring (6) are in the same place with fixed slot (5) joint, and solid fixed ring (6) are located the top of fixer (2).