CN215414175U

CN215414175U - Wireless pressure transmitter

Info

Publication number: CN215414175U
Application number: CN202121695128.6U
Authority: CN
Inventors: 李春鹏
Original assignee: Shanxi Jicheng Technology Co ltd
Current assignee: Shanxi Jicheng Technology Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-04
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a wireless pressure transmitter, including the wireless pressure transmitter body, this body coupling of wireless pressure transmitter has pressure sensor, pressure sensor outer wall connection has the first support of two sets of symmetries, first leg joint has the cylinder pole, first cotter hole has been seted up to the cylinder pole, first cotter hole top is provided with the cotter pole, pressure sensor is close to the bottom outer wall and is provided with the multiunit sealing ring, the sealing ring below is provided with the auxiliary pipeline, auxiliary pipeline inner wall connection has the fender ring, it is provided with first sealed the pad to keep off the ring top, the fixed intercommunication of auxiliary pipeline has the trunk line, the trunk line is connected with two sets of second supports, the round hole has been seted up on second support upper portion. According to the utility model, the cylindrical rod is inserted into the circular hole, the installation mode is different from threaded connection, compared with threaded connection, the threaded connection is simpler, the connection efficiency is high, the cylindrical rod can be quickly disassembled for maintenance or replacement in the later period, and meanwhile, the sealing ring and the first sealing gasket can ensure the sealing property between the pressure sensor and the auxiliary pipeline.

Description

Wireless pressure transmitter

Technical Field

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

Background

The pressure transmitter is an electrical element for sensing pressure, and is generally a resistance strain gauge, which is a sensitive device for converting the pressure on a measured object into an electrical signal. The resistance strain gauge is widely applied to both a metal resistance strain gauge and a semiconductor strain gauge. The metal resistance strain gauge comprises a wire-shaped strain gauge and a metal foil-shaped strain gauge. Usually, the strain gauge is tightly adhered to a substrate generating mechanical strain through a special adhesive, and when the substrate is stressed and changes in stress, the resistance strain gauge is deformed together, so that the resistance value of the strain gauge is changed, and the voltage on the resistor is changed.

Current pressure transmitter has adopted wireless control in some special operational environment, but wireless transmitter is fixed on the pipeline through the screw thread installation mostly, and threaded connection dismantles the process loaded down with trivial details, and installs the screw thread on the pipeline because can the corrosion of a specified duration to reduce and dismantle the effect, influence it and dismantle maintenance or change.

SUMMERY OF THE UTILITY MODEL

Objects of the utility model

In order to solve the technical problems in the background art, the utility model provides the wireless pressure transmitter, the cylindrical rod is ensured to be inserted into the round hole by rotating the pressure sensor, the installation mode is different from the threaded connection, compared with the threaded connection, the threaded connection is simpler, the connection efficiency is high, the cylindrical rod can be quickly disassembled for maintenance or replacement in the later period, and meanwhile, the sealing ring and the first sealing gasket can ensure the sealing property between the pressure sensor and the auxiliary pipeline.

(II) technical scheme

The utility model provides a wireless pressure transmitter which comprises a wireless pressure transmitter body, wherein the wireless pressure transmitter body is connected with a pressure sensor, the outer wall of the pressure sensor is connected with two groups of symmetrical first supports, the first supports are connected with cylindrical rods, first pin holes are formed in the cylindrical rods, pin rods are arranged above the first pin holes, a plurality of groups of sealing rings are arranged on the pressure sensor close to the outer wall of the bottom, an auxiliary pipeline is arranged below each sealing ring, the inner wall of the auxiliary pipeline is connected with a baffle ring, a first sealing gasket is arranged above each baffle ring, the auxiliary pipeline is fixedly communicated with a main pipeline, the main pipeline is connected with two groups of second supports, circular holes are formed in the upper portions of the second supports, and second pin holes communicated with the circular holes are formed in the upper ends of the second supports.

Preferably, the outer surface of the lower part of the pressure sensor is connected with two groups of symmetrical clamping blocks, two groups of symmetrical and vertical first sliding grooves are formed in the upper part of the inner wall of the auxiliary pipeline, the lower end of each first sliding groove is connected with a second sliding groove, and the second sliding grooves are formed in the inner wall of the auxiliary pipeline.

Preferably, an annular groove is formed in the lower portion of the inner wall of the auxiliary pipeline, a third sealing gasket is placed above the annular groove, a filter screen is placed at the upper end of the third sealing gasket, and a second sealing gasket is placed at the upper end of the filter screen.

Preferably, the third seal is in compressive contact with the annular groove above.

Preferably, two groups of clamping grooves are formed in the upper portion of the second support, one ends of the clamping grooves are communicated with the round holes, and the directions of the two groups of clamping grooves are opposite.

Preferably, the wireless pressure transmitter body comprises an antenna support, the antenna support is detachably connected with a radio frequency antenna, and the lower portion of the wireless pressure transmitter body is connected with a connecting device which is connected with a pressure sensor.

Preferably, the front end of the wireless pressure transmitter body is connected with a display screen.

Preferably, the secondary conduit and the pressure sensor are both circular bodies.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects: when the device is installed, the pressure sensor is aligned and inserted into the auxiliary pipeline, the pressure sensor is pressed down with force and is driven to ensure that the cylindrical rod is inserted into the round hole, the pin rod is sequentially inserted into the first pin hole and the second pin hole, and the wireless pressure transmitter is installed; this mounting means is different from threaded connection, compares in threaded connection simpler, and connection efficiency is high, and the later stage also can be dismantled fast and maintain or change, and the first sealed pad of pressure sensor lower extreme contact is supported tightly, and pressure sensor is close to the bottom outer wall and is provided with the multiunit sealing ring, and the leakproofness between pressure sensor and the secondary pipe connection can be guaranteed to sealing ring and first sealed pad.

Drawings

Fig. 1 is a schematic structural diagram of a wireless pressure transmitter according to the present invention.

Fig. 2 is a schematic structural diagram of a wireless pressure transmitter according to the present invention.

Fig. 3 is a partial structural sectional view of a wireless pressure transmitter according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 1.

Reference numerals: 1. a circular hole; 2. a second pin hole; 3. a card slot; 4. a filter screen; 5. a secondary pipe; 6. a first gasket; 7. a first chute; 8. a second chute; 9. a second gasket; 10. an annular groove; 11. a third gasket; 12. a second bracket; 13. a main pipeline; 14. a radio frequency antenna; 15. a pressure sensor; 16. a cylinder; 17. a clamping block; 18. a seal ring; 19. a first bracket; 20. a pin shank; 21. a connecting device; 22. a transmitter body; 23. an antenna mount; 24. a display screen; 25. a first pin hole; 26. and (4) a baffle ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the wireless pressure transmitter provided by the utility model comprises a wireless pressure transmitter body 22, wherein the wireless pressure transmitter body 22 is connected with a pressure sensor 15, the outer wall of the pressure sensor 15 is connected with two sets of symmetrical first supports 19, the first supports 19 are connected with cylindrical rods 16, the cylindrical rods 16 are provided with first pin holes 25, pin rods 20 are arranged above the first pin holes 25, the pressure sensor 15 is provided with a plurality of sets of sealing rings 18 near the outer wall of the bottom, an auxiliary pipeline 5 is arranged below the sealing rings 18, the inner wall of the auxiliary pipeline 5 is connected with a baffle ring 26, a first sealing gasket 6 is arranged above the baffle ring 26, the auxiliary pipeline 5 is fixedly communicated with a main pipeline 13, the main pipeline 13 is connected with two sets of second supports 12, the upper parts of the second supports 12 are provided with circular holes 1, and the upper ends of the second supports 12 are provided with second pin holes 2 communicated with the circular holes 1.

In the utility model, when the device is installed, the pressure sensor 15 is aligned and inserted into the auxiliary pipeline 5, the pressure sensor 15 is pressed down with force, the pressure sensor 15 is driven, the cylindrical rod 16 is ensured to be inserted into the circular hole 1, the pin rod 20 is inserted into the first pin hole 25 and the second pin hole 2 in sequence, and the wireless pressure transmitter is installed; this mounting means is different from threaded connection, compares in threaded connection simpler, and connection efficiency is high, and the later stage also can be dismantled fast and maintain or change, and pressure sensor 15 lower extreme contacts first sealed pad 6 and supports tightly, and pressure sensor 15 is close to the bottom outer wall and is provided with multiunit sealing ring 18, and sealing ring 18 and first sealed pad 6 can guarantee the leakproofness between pressure sensor 15 and the secondary pipe way 5 is connected.

In an optional embodiment, two sets of symmetrical fixture blocks 17 are connected to the outer surface of the lower portion of the pressure sensor 15, two sets of symmetrical and vertical first chutes 7 are formed in the upper portion of the inner wall of the secondary pipeline 5, the lower end of each first chute 7 is connected with a second chute 8, and the second chute 8 is formed in the inner wall of the secondary pipeline 5.

It should be noted that, the pressure sensor 15 is aligned and inserted into the secondary pipe 5, and it is ensured that the latch 17 is aligned with the first sliding groove 7, and then the latch 17 is slid into the second sliding groove 8, in order to further increase the pressure between the pressure sensor 15 and the secondary pipe 5, thereby improving the sealing performance.

In an optional embodiment, an annular groove 10 is formed in the lower portion of the inner wall of the secondary pipeline 5, a third sealing gasket 11 is placed above the annular groove 10, a filter screen 4 is placed at the upper end of the third sealing gasket 11, and a second sealing gasket 9 is placed at the upper end of the filter screen 4.

It should be noted that in order to prevent impurities in the main conduit 13 from affecting the measurement of the pressure sensor 15.

In an alternative embodiment, the third seal 11 is pressed into contact with the annular groove 10.

Note that, the annular groove 10 is pressed and contacted above the third seal gasket 11, so as to ensure the sealing performance.

In an alternative embodiment, two sets of slots 3 are formed in the upper portion of the second bracket 12, one end of each slot 3 is communicated with the circular hole 1, and the directions of the two sets of slots 3 are opposite.

It should be noted that the clamping groove 3 can clamp the first bracket 19, so as to facilitate the insertion of the pin rod 20 into the first pin hole 25 and the second pin hole 2.

In an alternative embodiment, the wireless pressure transmitter body 22 includes an antenna bracket 23, the antenna bracket 23 is detachably connected with the rf antenna 14, the lower portion of the wireless pressure transmitter body 22 is connected with a connecting device 21, and the connecting device 21 is connected with the pressure sensor 15.

It should be noted that the detachable rf antenna 14 facilitates later maintenance and removal.

In an alternative embodiment, a display screen 24 is attached to the front end of the wireless pressure transmitter body 22.

It should be noted that display screen 24 may display the pressure within main conduit 13.

In an alternative embodiment, both secondary duct 5 and pressure sensor 15 are circular bodies.

It should be noted that the secondary duct 5 and the pressure sensor 15 are both circular bodies, which facilitates the insertion of the pressure sensor 15 into the secondary duct 5 and the smooth rotation of the pressure sensor 15 in the secondary duct 5.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A wireless pressure transmitter comprises a wireless pressure transmitter body (22) and is characterized in that the wireless pressure transmitter body (22) is connected with a pressure sensor (15), the outer wall of the pressure sensor (15) is connected with two groups of symmetrical first supports (19), the first supports (19) are connected with cylindrical rods (16), first pin holes (25) are formed in the cylindrical rods (16), pin rods (20) are arranged above the first pin holes (25), a plurality of groups of sealing rings (18) are arranged on the pressure sensor (15) close to the outer wall of the bottom, an auxiliary pipeline (5) is arranged below the sealing rings (18), a baffle ring (26) is connected to the inner wall of the auxiliary pipeline (5), a first sealing gasket (6) is arranged above the baffle ring (26), the auxiliary pipeline (5) is fixedly communicated with a main pipeline (13), the main pipeline (13) is connected with two groups of second supports (12), a round hole (1) is formed in the upper portion of the second support (12), the upper end of the second bracket (12) is provided with a second pin hole (2) communicated with the round hole (1).

2. The wireless pressure transmitter according to claim 1, wherein the outer surface of the lower part of the pressure sensor (15) is connected with two sets of symmetrical clamping blocks (17), the upper part of the inner wall of the auxiliary pipeline (5) is provided with two sets of symmetrical and vertical first sliding grooves (7), the lower end of the first sliding groove (7) is connected with a second sliding groove (8), and the second sliding groove (8) is arranged on the inner wall of the auxiliary pipeline (5).

3. The wireless pressure transmitter of claim 1, wherein an annular groove (10) is formed in the lower portion of the inner wall of the auxiliary pipeline (5), a third sealing gasket (11) is placed above the annular groove (10), a filter screen (4) is placed at the upper end of the third sealing gasket (11), and a second sealing gasket (9) is placed at the upper end of the filter screen (4).

4. Wireless pressure transmitter according to claim 3, characterized in that the third gasket (11) is pressed into contact with the annular groove (10) above.

5. The wireless pressure transmitter of claim 1, wherein two sets of slots (3) are formed in the upper portion of the second bracket (12), one end of each slot (3) is communicated with the circular hole (1), and the directions of the two sets of slots (3) are opposite.

6. The wireless pressure transmitter of claim 1, wherein the wireless pressure transmitter body (22) comprises an antenna bracket (23), the antenna bracket (23) is detachably connected with the radio frequency antenna (14), the lower part of the wireless pressure transmitter body (22) is connected with a connecting device (21), and the connecting device (21) is connected with the pressure sensor (15).

7. The wireless pressure transmitter of claim 1, wherein a display screen (24) is connected to the front end of the wireless pressure transmitter body (22).

8. Wireless pressure transmitter according to claim 1, characterized in that the secondary pipe (5) and the pressure sensor (15) are both circular bodies.