CN213209335U

CN213209335U - Differential pressure sensor's equipment

Info

Publication number: CN213209335U
Application number: CN202022043702.1U
Authority: CN
Inventors: 王浩
Original assignee: Wuxi Suisi Microsystem Technology Co ltd
Current assignee: Wuxi Suisi Microsystem Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-14
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a differential pressure sensor device, which comprises a connecting seat and a sleeve fixing device, wherein the sleeve fixing device is arranged at the left end of the connecting seat, a connecting pipe is arranged on the outer wall of the upper end of the connecting seat, a locking sleeve is sleeved outside the upper end of the connecting pipe, a connecting head is arranged on the outer wall of the upper end of the locking sleeve, the differential pressure sensor is connected with an external pressure pipeline through the sleeve fixing device by designing a novel differential pressure sensor device, the pressure pipeline is sleeved outside a fixed cylinder by screwing a thread sleeve outside the fixed pipe, so that the connection and the use are more convenient, the outer wall of the thread sleeve is provided with a connecting groove which can be used for increasing the friction force, the thread sleeve is better screwed to be connected with the external pressure pipeline, the right end of the fixed cylinder is also provided with a limiting alignment ring, and the alignment ring is provided with a sealing gasket for increasing the sealing, the connection tightness of the pressure pipeline and the fixed cylinder is good enough.

Description

Differential pressure sensor's equipment

Technical Field

The utility model belongs to the technical field of differential pressure sensor is relevant, concretely relates to differential pressure sensor's equipment.

Background

A differential pressure sensor is a sensor used to measure the difference between two pressures, and is usually used to measure the pressure difference between the front and back ends of a device or component, and when the differential pressure sensor is in use, some care needs to be taken, such as the measured medium is not allowed to freeze, otherwise the sensor element isolation diaphragm is damaged, and the transmitter is damaged, and if necessary, the transmitter needs to be protected from freezing, a voltage higher than 36V is not applied to the transmitter, and the transmitter is damaged, and when steam or other high-temperature media are measured, the temperature of the transmitter should not exceed the limit temperature of the transmitter in use.

The existing equipment technology of the differential pressure sensor has the following problems: when the existing differential pressure sensor is connected with two pressure sources to be tested, the existing differential pressure sensor is generally connected with a pressure pipeline in a spiral mode through threads on the differential pressure sensor, so that the threads on the two sides of the differential pressure sensor are required to be connected with the two pressure pipelines in a spiral mode twice, the use is quite inconvenient, and the tightness is not strong enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a differential pressure sensor's equipment to the differential pressure sensor who proposes in solving above-mentioned background art moves outside pressure pipeline through twisting and cup joints on differential pressure sensor, needs to rotate the pipeline always like this and uses convenient problem inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an equipment of differential pressure sensor, includes the connecting seat and cup joints fixing device, the left end of connecting seat is installed and is cup jointed fixing device, be provided with the connecting pipe on the upper end outer wall of connecting seat, the lock sleeve has been cup jointed to the upper end outside of connecting pipe, be provided with the connector on the upper end outer wall of lock sleeve, be provided with the output tube on the right-hand member outer wall of connector, cup joint fixing device includes thread bush, fixed pipe, counterpoint ring, solid fixed cylinder and seal ring, gu fixed pipe sets up on the left end outer wall of connecting seat, counterpoint ring cup joints the left end outside at fixed pipe, seal ring sets up on the left end outer wall of counterpoint ring, the thread bush cup joints the solid fixed cylinder outside on counterpoint ring right side, gu fixed cylinder sets up on the left end outer wall of counterpoint.

Preferably, be provided with fixed screw thread on the inner wall of thread bush, the right-hand member inner wall of thread bush and the outer wall of fixed pipe can laminate completely.

Preferably, the outer walls of the front end and the rear end of the left side of the threaded sleeve are provided with connecting grooves, and the outer walls of the two connecting grooves are horizontal smooth walls.

Preferably, the sleeve joint fixing devices are provided with two, the two sleeve joint fixing devices are respectively arranged on the outer walls of the left end and the right end of the connecting seat, and the two sleeve joint fixing devices are respectively fixedly connected with the connecting seat through a fixing pipe in a welding mode.

Preferably, the groove is formed in the outer wall of the left end of the alignment ring, the outer wall of the right end of the sealing washer can be completely attached to the inner wall of the groove, and the sealing washer is fixedly connected with the groove through an adhesive.

Preferably, the outer wall of the fixed cylinder is sleeved with a convex ring, the outer wall of the convex ring is a smooth wall, the outer wall of the convex ring is a chamfer arc, and the convex ring is fixedly connected with the outer wall of the fixed cylinder in a welding mode.

Compared with the prior art, the utility model provides a differential pressure sensor's equipment possesses following beneficial effect:

the utility model designs a novel differential pressure sensor device, which enables the differential pressure sensor to be connected with an external pressure pipeline through a sleeve joint fixing device, enables the pressure pipeline to be sleeved outside a fixed cylinder by screwing a thread sleeve outside the fixed pipe, thus the connection and the use are more convenient, the outer wall of the thread sleeve is provided with a connecting groove which can be used for increasing the friction force, the thread sleeve is better screwed to be connected with the external pressure pipeline, the right end of the fixed cylinder is also provided with a spacing counterpoint ring, the counterpoint ring is provided with a sealing gasket for increasing the sealing effect, the connection sealing performance of the pressure pipeline and the fixed cylinder is enough, the use effect is better, when in use, the external pressure pipeline is sleeved outside the fixed cylinder, the thread sleeve is connected with a thread screw on the outer wall of the pressure pipeline, and the thread sleeve is screwed to lock the pressure pipeline, the advantage of doing so is, need not rotate the pipeline and make pipeline under pressure and differential pressure sensor connect, and use the effect better, and it is more convenient to make this novel differential pressure sensor's equipment use through cup jointing fixing device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic diagram of a front structure of a differential pressure sensor of the present invention;

FIG. 2 is a schematic structural view of the inside of the front surface of the cup joint fixture apparatus of the present invention;

fig. 3 is a schematic side view of the differential pressure sensor of the present invention.

In the figure: 1. a connecting seat; 2. a fixed device is sleeved; 3. a connecting pipe; 4. a locking sleeve; 5. a connector; 6. an output pipe; 7. a threaded sleeve; 8. a fixed tube; 9. a registration ring; 10. a fixed cylinder; 11. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a device of a differential pressure sensor comprises a connecting seat 1 and a sleeve fixing device 2, wherein the left end of the connecting seat 1 is provided with the sleeve fixing device 2, the sleeve fixing device 2 is provided with two sleeve fixing devices 2, the two sleeve fixing devices 2 are respectively arranged on the outer walls of the left end and the right end of the connecting seat 1, the two sleeve fixing devices 2 are respectively fixedly connected with the connecting seat 1 through a fixing pipe 8 in a welding mode, the two sleeve fixing devices 2 are respectively used for being connected with two pressure pipelines for measuring differential pressure, a connecting pipe 3 is arranged on the outer wall of the upper end of the connecting seat 1, a locking sleeve 4 is sleeved outside the upper end of the connecting pipe 3, a connecting head 5 is arranged on the outer wall of the upper end of the locking sleeve 4, an output pipe 6 is arranged on the outer wall of the right end of the connecting head 5, each sleeve fixing device 2 comprises a threaded sleeve 7, a fixing pipe 8, an alignment ring 9, the counterpoint ring 9 cup joints in the left end outside of fixed pipe 8, seal ring 11 sets up on the left end outer wall of counterpoint ring 9, the left end outer wall of counterpoint ring 9 is inside to be provided with the recess, seal ring 11's right-hand member outer wall and the inner wall of recess can laminate completely, seal ring 11 and recess pass through adhesive fixed connection, fill gap wherein when can making pipeline under pressure surface and counterpoint ring 9 contact through seal ring 11, make pipeline under pressure and counterpoint ring 9 can sealing connection.

A differential pressure sensor device, a thread bush 7 is sleeved outside a fixed pipe 8 on the right side of an alignment ring 9, connecting grooves are arranged on the outer walls of the front end and the rear end of the left side of the thread bush 7, the outer walls of the two connecting grooves are horizontal smooth walls, the round shape of the outer surface of the thread bush 7 can be changed through the two connecting grooves, the friction force on the surface of the thread bush 7 is increased, and the thread bush can be screwed to be used conveniently, a fixed cylinder 10 is arranged on the outer wall of the left end of the alignment ring 9, a convex ring is sleeved on the outer wall of the fixed cylinder 10, the outer wall of the convex ring is a smooth wall, the outer wall of the convex ring is in a chamfer circular arc shape, the convex ring is fixedly connected with the outer wall of the fixed cylinder 10 in a welding mode, the outer diameter of the fixed cylinder 10 is increased through the convex ring, so that the friction force of contact is increased when an external pipeline is sleeved on the fixed cylinder 10, the connection effect is better, the threaded sleeve 7 can be screwed with an external pressure pipeline through the fixing threads, and the pressure pipeline is fixed outside the fixed cylinder 10.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the principle of the differential pressure sensor is that the measured pressure directly acts on the diaphragm of the sensor to make the diaphragm generate micro-displacement proportional to the water pressure and change the capacitance value of the sensor, and detecting the change by the electronic circuit, and converting and outputting a standard measuring signal corresponding to the pressure, when in use, the detector is electrically connected with the output tube 6 through the connecting wire, the threaded sleeve 7 is moved to the right side of the fixed tube 8, the external pressure pipeline is sleeved outside the fixed cylinder 10, the threaded sleeve 7 is spirally connected with the thread on the outer wall of the pressure pipeline, the threaded sleeve 7 is screwed to lock the threaded sleeve 7 and the pressure pipeline, the pressure pipe is in the inside terminal surface of thread bush 7 and counterpoint ring 9 contact and the extrusion seal ring 11 can promptly, the repetition all can test the use with the thread bush 7 of both sides with pressure pipe connection.

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. The utility model provides a differential pressure sensor's equipment, includes connecting seat (1) and cup joints fixing device (2), its characterized in that: the left end of the connecting seat (1) is provided with a sleeve connection fixing device (2), the upper end outer wall of the connecting seat (1) is provided with a connecting pipe (3), the upper end outer part of the connecting pipe (3) is sleeved with a locking sleeve (4), the upper end outer wall of the locking sleeve (4) is provided with a connector (5), the right end outer wall of the connector (5) is provided with an output pipe (6), the sleeve connection fixing device (2) comprises a thread sleeve (7), a fixing pipe (8), an alignment ring (9), a fixing cylinder (10) and a sealing washer (11), the fixing pipe (8) is arranged on the left end outer wall of the connecting seat (1), the alignment ring (9) is sleeved outside the left end of the fixing pipe (8), the sealing washer (11) is arranged on the left end outer wall of the alignment ring (9), the thread sleeve (7) is sleeved outside the fixing pipe (8) on the right side of the alignment ring (9), the fixed cylinder (10) is arranged on the outer wall of the left end of the alignment ring (9).

2. The apparatus of a differential pressure sensor of claim 1, wherein: be provided with fixed screw thread on the inner wall of thread bush (7), the right-hand member inner wall of thread bush (7) and the outer wall of fixed pipe (8) can laminate completely.

3. The apparatus of a differential pressure sensor of claim 1, wherein: the outer walls of the front end and the rear end of the left side of the threaded sleeve (7) are provided with connecting grooves, and the outer walls of the two connecting grooves are horizontal smooth walls.

4. The apparatus of a differential pressure sensor of claim 1, wherein: cup joint fixing device (2) and be provided with two altogether cup joint fixing device (2) and set up respectively on the left and right sides of connecting seat (1) holds the outer wall, two cup joint fixing device (2) and equally divide and do not pass through fixed pipe (8) and connecting seat (1) through welded mode fixed connection.

5. The apparatus of a differential pressure sensor of claim 1, wherein: the positioning ring is characterized in that a groove is formed in the outer wall of the left end of the positioning ring (9), the outer wall of the right end of the sealing washer (11) can be completely attached to the inner wall of the groove, and the sealing washer (11) is fixedly connected with the groove through an adhesive.

6. The apparatus of a differential pressure sensor of claim 1, wherein: the outer wall of the fixed cylinder (10) is sleeved with a convex ring, the outer wall of the convex ring is a smooth wall, the outer wall of the convex ring is a chamfer circular arc, and the convex ring is fixedly connected with the outer wall of the fixed cylinder (10) in a welding mode.