CN220568313U

CN220568313U - Waterproof pressure transmitter

Info

Publication number: CN220568313U
Application number: CN202321986266.9U
Authority: CN
Inventors: 张春明
Original assignee: Tianjin Tianli Tongtai Measurement And Control Technology Co ltd
Current assignee: Tianjin Tianli Tongtai Measurement And Control Technology Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-03-08
Anticipated expiration: 2033-07-26

Abstract

The utility model discloses a waterproof pressure transmitter which comprises a pressure transmitter body, an observation port and a display screen, wherein the observation port is formed in the pressure transmitter body, the display screen is arranged in the pressure transmitter body, a waterproof structure is arranged in the observation port, two buckling grooves are formed in a rubber cover, the buckling grooves are symmetrically distributed on two sides by taking the central line of the rubber cover as the center, an annular piece is arranged in the observation port, and the rubber cover is plugged into the observation port. This waterproof type pressure transmitter, pressure transmitter body coupling is on external pipeline, detects the internal liquid pressure of external pipeline, then the pressure numerical value shows through the display screen, can read the numerical value on the display screen through the viewing aperture, after reading the numerical value on the display screen, in filling the viewing aperture with the rubber lid, then the rubber lid is hugged closely on the annular, then the fixture block card advances in the draw-in groove, and the rubber lid seals the viewing aperture, avoids moisture or rainwater to get into, damages the display screen.

Description

Waterproof pressure transmitter

Technical Field

The utility model relates to the technical field of pressure transmitters, in particular to a waterproof pressure transmitter.

Background

The pressure transmitter is a device for converting pressure into a pneumatic signal or an electric signal to control and remotely transmit, and can convert physical pressure parameters such as gas, liquid and the like sensed by a load cell sensor into standard electric signals (such as 4-20 mADC) so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like to carry out measurement, indication and process regulation, a display screen is arranged in the current pressure transmitter for a user to read a pressure measurement value, the whole installation environment is complex, the display screen is exposed outdoors, and the display screen in the pressure transmitter can be affected by rainwater and moisture, so that the display screen is damaged and the use is influenced.

Disclosure of Invention

The utility model aims to provide a waterproof pressure transmitter.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the waterproof pressure transmitter comprises a pressure transmitter body, an observation port and a display screen, wherein the observation port is formed in the pressure transmitter body, the display screen is installed in the pressure transmitter body, a waterproof structure is installed in the observation port, and the waterproof structure comprises a rubber cover, a buckling groove, an annular piece, a clamping block and a clamping groove;

the buckling grooves are formed in the rubber cover, the number of the buckling grooves is two, the buckling grooves are symmetrically distributed on two sides by taking the central line of the rubber cover as the center, the annular piece is arranged in the observation port, and the rubber cover is plugged into the observation port;

the rubber cover is connected to the annular part through clamping pieces, the number of the clamping pieces is two, the clamping pieces are symmetrically distributed on two sides by taking the central line of the rubber cover as the center, and the clamping pieces comprise clamping blocks and clamping grooves;

the clamping block is arranged on the rubber cover, the clamping groove is formed in the annular piece, and the clamping block is clamped in the clamping groove.

Preferably, a connecting structure is arranged on the pressure transmitter body, and the connecting structure comprises a pipe inlet, a round sleeve, an internal thread pipe and a filter plate;

the pipe feeding device comprises a pressure transmitter body, a round sleeve, a threaded pipe, a filter plate and an inner threaded pipe, wherein the pipe feeding is connected to the pressure transmitter body in a communicating mode, the round sleeve is arranged on the pipe feeding, threads are machined outside the pipe feeding, the pipe feeding is connected to the inner threaded pipe in a sleeving mode, and the filter plate is arranged between the pipe feeding and the inner threaded pipe.

Preferably, a rubber ring is arranged on the internal thread pipe, and the rubber ring is arranged between the round sleeve and the internal thread pipe.

Preferably, an annular cavity is formed in the rubber ring, and an elastic piece is arranged in the annular cavity.

Preferably, the clamping groove is internally provided with elastic sheets, the number of the elastic sheets is not less than six, the elastic sheets are distributed in the clamping groove at equal intervals in an annular shape, the clamping block is provided with an annular groove, and the elastic sheets are clamped in the annular groove.

Preferably, an annular plug-in unit is installed on the filter plate, an annular slot is formed in the internally threaded tube, and the annular plug-in unit is inserted into the annular slot.

Compared with the prior art, the utility model has the beneficial effects that: this waterproof type pressure transmitter, compared with the conventional art, has following advantage:

1. the pressure transmitter body is connected to an external pipeline, the pressure value is displayed through the display screen when the liquid pressure in the external pipeline is detected, the value on the display screen can be read through the observation port, after the value on the display screen is read, the rubber cover is plugged into the observation port, the rubber cover is tightly attached to the annular piece, the clamping block is clamped into the clamping groove, the rubber cover seals the observation port, and moisture or rainwater is prevented from entering the observation port, and the display screen is prevented from being damaged;

2. the rubber ring is firstly padded on the internal thread pipe, then the filter plate is put into the internal thread pipe, the pressure transmitter body is screwed, the inlet pipe is screwed into the internal thread pipe, the filter plate is pressed in the internal thread pipe by the inlet pipe, meanwhile, the rubber ring is pressed on the internal thread pipe by the round sleeve, the inlet pipe is in sealing connection with the internal thread pipe, liquid in the internal thread pipe enters the pressure transmitter body through the inlet pipe, and the filter plate can filter the liquid entering the pressure transmitter body, so that impurities are prevented from entering the pressure transmitter body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the pressure transmitter body, viewing port and display of FIG. 1;

FIG. 3 is a schematic view of the filter plate, annular insert and annular slot of FIG. 1;

fig. 4 is a schematic structural diagram of fig. 2 a.

In the figure: 1. the pressure transmitter comprises a pressure transmitter body, 2, an observation port, 3, a display screen, 4, a waterproof structure, 401, a rubber cover, 402, a buckling groove, 403, an annular piece, 404, a clamping piece, 405, a clamping block, 406, a clamping groove, 5, an annular groove, 6, an elastic piece, 7, a connecting structure, 8, a pipe inlet, 9, a round sleeve, 10, an internal thread pipe, 11, a rubber ring, 12, an annular cavity, 13, an elastic piece, 14, a filter plate, 15, an annular insert, 16 and an annular slot.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the waterproof pressure transmitter comprises a pressure transmitter body 1, an observation port 2 and a display screen 3, wherein the observation port 2 is formed in the pressure transmitter body 1, the display screen 3 is installed in the pressure transmitter body 1, the observation port 2 and the display screen 3 are components of the pressure transmitter body 1, the pressure transmitter body 1 is electrified, the pressure transmitter body 1 is provided with JMYL-2088, the components are universal standard components or components known to a person skilled in the art, the structure and principle of the waterproof pressure transmitter are known by the person skilled in the art through technical manuals or through a conventional experimental method, a waterproof structure 4 is installed in the observation port 2, and the waterproof structure 4 comprises a rubber cover 401, a buckling groove 402, an annular piece 403, a clamping piece 404, a clamping block 405 and a clamping groove 406;

the buckling grooves 402 are formed in the rubber cover 401, the number of the buckling grooves 402 is two, the buckling grooves 402 are symmetrically distributed on two sides by taking the central line of the rubber cover 401 as the center, the annular piece 403 is arranged in the observation port 2, and the rubber cover 401 is plugged into the observation port 2;

the rubber cover 401 is connected to the annular piece 403 through the clamping pieces 404, the number of the clamping pieces 404 is two, the clamping pieces 404 are symmetrically distributed on two sides by taking the central line of the rubber cover 401 as the center, and the clamping pieces 404 comprise clamping blocks 405 and clamping grooves 406;

the fixture block 405 is installed on the rubber cover 401, the clamping groove 406 is formed in the annular piece 403, the fixture block 405 is clamped in the clamping groove 406, the pressure transmitter body 1 is connected to an external pipeline, the pressure value is displayed through the display screen 3 when the liquid pressure in the external pipeline is detected, the value on the display screen 3 can be read through the observation port 2, after the value on the display screen 3 is read, the rubber cover 401 is plugged into the observation port 2, the rubber cover 401 is tightly attached to the annular piece 403, the fixture block 405 is clamped in the clamping groove 406, the rubber cover 401 seals the observation port 2, moisture or rainwater is prevented from entering, the display screen 3 is prevented from being damaged, the clamping groove 402 can be buckled when the observation is performed, and the rubber cover 401 is taken down.

The pressure transmitter body 1 is provided with a connecting structure 7, the connecting structure 7 comprises a feed pipe 8, a round sleeve 9, an internal thread pipe 10 and a filter plate 14, and the filter plate 14 is made of stainless steel materials with through holes distributed on the surface;

the inlet pipe 8 is connected to the pressure transmitter body 1, the round sleeve 9 is arranged on the inlet pipe 8, threads are machined outside the inlet pipe 8, the inlet pipe 8 is sleeved in the inner threaded pipe 10, and the filter plate 14 is arranged between the inlet pipe 8 and the inner threaded pipe 10;

the internal thread pipe 10 is provided with a rubber ring 11, the rubber ring 11 is arranged between the round sleeve 9 and the internal thread pipe 10, the rubber ring 11 is firstly padded on the internal thread pipe 10, then the filter plate 14 is put into the internal thread pipe 10, the pressure transmitter body 1 is screwed, the inlet pipe 8 is screwed into the internal thread pipe 10, the inlet pipe 8 presses the filter plate 14 into the internal thread pipe 10, meanwhile, the round sleeve 9 presses the rubber ring 11 on the internal thread pipe 10, the inlet pipe 8 is in sealing connection with the internal thread pipe 10, liquid in the internal thread pipe 10 enters the pressure transmitter body 1 through the inlet pipe 8, and the filter plate 14 can filter the liquid entering the pressure transmitter body 1 to avoid impurities entering the pressure transmitter body 1;

an annular cavity 12 is formed in the rubber ring 11, an elastic piece 13 is arranged in the annular cavity 12, and when the round sleeve 9 presses the rubber ring 11 on the internal thread pipe 10, the elastic piece 13 applies an external acting force to the rubber ring 11, so that the connection between the inlet pipe 8 and the internal thread pipe 10 is tighter.

The elastic pieces 6 are arranged in the clamping grooves 406, the number of the elastic pieces 6 is not less than six, the elastic pieces 6 are distributed in the clamping grooves 406 at equal intervals in a ring shape, the clamping blocks 405 are provided with the annular grooves 5, the elastic pieces 6 are clamped in the annular grooves 5, and when the clamping blocks 405 are clamped in the clamping grooves 406, the elastic pieces 6 are clamped in the annular grooves 5, so that the rubber cover 401 is tightly connected with the annular pieces 403.

The filter plate 14 is provided with an annular insert 15, an annular slot 16 is formed in the internally threaded tube 10, the annular insert 15 is inserted into the annular slot 16, and when the filter plate 14 is placed in the internally threaded tube 10, the annular insert 15 is inserted into the annular slot 16, so that the filter plate 14 is leveled in the internally threaded tube 10.

When the waterproof pressure transmitter is used, firstly, the filter plate 14 is placed in the internally threaded pipe 10, then the annular plug-in 15 is inserted into the annular slot 16, the filter plate 14 is horizontally arranged in the internally threaded pipe 10, the rubber ring 11 is padded on the internally threaded pipe 10, the pressure transmitter body 1 is screwed, the inlet pipe 8 is screwed into the internally threaded pipe 10, the filter plate 14 is pressed into the internally threaded pipe 10 by the inlet pipe 8, meanwhile, the rubber ring 11 is pressed onto the internally threaded pipe 10 by the round sleeve 9, the inlet pipe 8 is in sealing connection with the internally threaded pipe 10, liquid in the internally threaded pipe 10 enters the pressure transmitter body 1 through the inlet pipe 8, the liquid pressure is detected, the pressure value is displayed through the display screen 3, the value on the display screen 3 can be read through the observation port 2, after the value on the display screen 3 is read, the rubber cover 401 is plugged into the observation port 2, the rubber cover 401 is tightly attached to the annular piece 403, the clamping block 405 is clamped into the clamping groove 406, the rubber cover 401 is sealed to avoid or rainwater from entering, the display screen 3 is damaged, the filter plate 401 can be buckled into the pressure transmitter body 1, and the pressure transmitter body 1 can be prevented from entering the pressure transmitter body 1.

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

Claims

1. The utility model provides a waterproof type pressure transmitter, includes pressure transmitter body (1), viewing aperture (2) and display screen (3), its characterized in that: the observation port (2) is formed in the pressure transmitter body (1), the display screen (3) is installed in the pressure transmitter body (1), the waterproof structure (4) is installed in the observation port (2), and the waterproof structure (4) comprises a rubber cover (401), a buckling groove (402), an annular piece (403), a clamping piece (404), a clamping block (405) and a clamping groove (406); the buckling grooves (402) are formed in the rubber cover (401), the number of the buckling grooves (402) is two, the buckling grooves (402) are symmetrically distributed on two sides with the center line of the rubber cover (401) as the center, the annular piece (403) is arranged in the observation port (2), and the rubber cover (401) is plugged into the observation port (2); the rubber cover (401) is connected to the annular piece (403) through clamping pieces (404), the number of the clamping pieces (404) is two, the clamping pieces (404) are symmetrically distributed on two sides by taking the central line of the rubber cover (401) as the center, and the clamping pieces (404) comprise clamping blocks (405) and clamping grooves (406); the clamping block (405) is arranged on the rubber cover (401), the clamping groove (406) is formed in the annular piece (403), and the clamping block (405) is clamped in the clamping groove (406).

2. The waterproof pressure transmitter of claim 1 wherein: a connecting structure (7) is arranged on the pressure transmitter body (1), and the connecting structure (7) comprises a pipe inlet (8), a round sleeve (9), an internal thread pipe (10) and a filter plate (14); the pressure transmitter is characterized in that the inlet pipe (8) is connected to the pressure transmitter body (1), the round sleeve (9) is arranged on the inlet pipe (8), threads are machined outside the inlet pipe (8), the inlet pipe (8) is sleeved in the inner threaded pipe (10), and the filter plate (14) is arranged between the inlet pipe (8) and the inner threaded pipe (10).

3. The waterproof pressure transmitter of claim 2 wherein: the internal thread pipe (10) is provided with a rubber ring (11), and the rubber ring (11) is arranged between the round sleeve (9) and the internal thread pipe (10).

4. A waterproof pressure transmitter as defined in claim 3, wherein: an annular cavity (12) is formed in the rubber ring (11), and an elastic piece (13) is arranged in the annular cavity (12).

5. The waterproof pressure transmitter of claim 1 wherein: elastic sheets (6) are arranged in the clamping grooves (406), the number of the elastic sheets (6) is not less than six, the elastic sheets (6) are distributed in the clamping grooves (406) at equal intervals in a ring shape, annular grooves (5) are formed in the clamping blocks (405), and the elastic sheets (6) are clamped in the annular grooves (5).

6. The waterproof pressure transmitter of claim 2 wherein: an annular plug-in (15) is arranged on the filter plate (14), an annular slot (16) is formed in the internal threaded pipe (10), and the annular plug-in (15) is inserted into the annular slot (16).