CN210953231U

CN210953231U - High-sealing type pressure transmitter

Info

Publication number: CN210953231U
Application number: CN201921905226.0U
Authority: CN
Inventors: 李国�
Original assignee: Shandong Zhongzi Instrument Measurement And Control Technology Co ltd
Current assignee: Shandong Zhongzi Instrument Measurement And Control Technology Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-07-07
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a high sealed pressure transmitter, include: the transmitter comprises a transmitter body, a first isolation pipe, a second isolation pipe and a sealing device, wherein the transmitter body comprises a cable and a sensor, the first isolation pipe is sleeved outside the cable, the second isolation pipe is sleeved outside the cable and is connected with the first isolation pipe, the sealing device comprises a supporting block, a sealing ring, a limiting block and a fixing sleeve, the supporting block is sleeved outside the first isolation pipe, the sealing ring is sleeved on the first isolation pipe and is arranged above the supporting block, the limiting block is sleeved outside the sealing ring, the bottom of the limiting block is abutted to the supporting block, and the fixing sleeve is sleeved outside the limiting block. The utility model discloses a set up the sealing device who has the supporting shoe in cable and sensor junction, can fix the relative position of cable and sensor, can effectively avoid cable and sensor junction fracture, have high leakproofness simultaneously, can effectively prevent that the cable from being corroded by the medium.

Description

High-sealing type pressure transmitter

Technical Field

The utility model relates to a pressure transmitter technical field specifically is a high sealed pressure transmitter.

Background

The sensor can be directly thrown into a measured medium when the throw-in type pressure transmitter is used, the installation and the use are quite convenient, the sensor of the transmitter is immersed into liquid to obtain a corresponding differential pressure signal, and the pressure transmitter has the advantages of high reliability, high measurement precision, compact structure, good stability, long service life and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high sealed pressure transmitter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-seal pressure transmitter, comprising: the transmitter comprises a transmitter body, a first isolation pipe, a second isolation pipe and a sealing device, wherein the transmitter body comprises a cable and a sensor, the first isolation pipe is sleeved on the outer side of the cable, the bottom of the second isolation pipe is abutted against the sensor, the second isolation pipe is sleeved outside the cable and is connected with the first isolation pipe, the sealing device comprises a supporting block, a sealing ring, a limiting block and a fixing sleeve, wherein the supporting block is in a ring shape and is sleeved on the outer side of the first isolation pipe, the sealing ring is sleeved on the first isolation pipe, the limiting block is in a hollow step shaft shape and is sleeved outside the sealing ring, the bottom of the sensor is abutted against the supporting block, the fixed sleeve is sleeved outside the limiting block, the surfaces of the limiting block and the sensor are both provided with threads, the fixed sleeve is fixedly connected with the limiting block and the sensor through threads, and the top end of the fixed sleeve abuts against the shaft shoulder of the limiting block.

As a further aspect of the present invention: the top end of the first isolation pipe is provided with an annular overlapping bulge along the circumferential direction.

As a further aspect of the present invention: the top end of the second isolation pipe is provided with a circle of lap joint protrusions along the circumferential direction, the bottom of the second isolation pipe is provided with a lap joint buckle matched with the lap joint protrusions, and an elastic clamping ring is sleeved below the lap joint buckle.

As a further aspect of the present invention: and the lap joint part at the bottom of the second isolation pipe is made of an elastic material.

As a further aspect of the present invention: the stopper upper surface is equipped with the mounting groove in the position that is close to the sealing washer, be equipped with the stagnant water circle of meeting water inflation in the mounting groove, the stagnant water circle supports on the sealing washer lateral wall.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the sealing device who has the supporting shoe in cable and sensor junction, can fix the relative position of cable and sensor, can effectively avoid cable and sensor junction fracture, simultaneously the utility model discloses have high leakproofness, can prevent effectively that the cable from being corroded by the medium.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention.

Fig. 2 is a schematic view of the connection between the first isolation tube and the second isolation tube and the sealing device of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

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, in an embodiment of the present invention, a high-sealing pressure transmitter includes: changer body 1, first isolation tube 21, second isolation tube 22 and sealing device, changer body 1 includes cable 2 and sensor 3, first isolation tube 21 suit is in the cable 2 outside to the bottom supports on sensor 3, second isolation tube 22 suit is in the cable 2 outside, is connected with first isolation tube 21 simultaneously, first isolation tube 21 top is equipped with the round overlap joint arch along the circumferencial direction, second isolation tube 22 top is equipped with the round overlap joint arch equally along the circumferencial direction, and the bottom is equipped with the protruding complex overlap joint of overlap joint and detains, and overlap joint detains below suit elasticity rand 23, therefore, when first isolation tube 21 is connected with second isolation tube 22, with the overlap joint of second isolation tube 22 bottom and the protruding lock of overlap joint at first isolation tube 21 top, then through elasticity rand 23 chucking can.

The part of the lap joint buckle at the bottom of the second isolation tube 22 is made of elastic materials, so that the elastic collar 23 can play a role in clamping, the second isolation tube 22 can also be clamped with the first isolation tube 21 by means of self elasticity, and the top end of the second isolation tube 22 is also provided with a lap joint bulge, so that the second isolation tube 22 can also be connected with the second isolation tube 22, and the protection range of the second isolation tube 22 on the cable 2 can be adjusted by changing the number of the installed second isolation tubes 22.

The sealing device comprises a supporting block 31, a sealing ring 32, a limiting block 33 and a fixing sleeve 35, wherein the supporting block 31 is in a circular ring shape and is sleeved outside the first isolation pipe 21, the supporting block 31 supports the joint of the cable 2 and the sensor 3, the limiting block can limit the cable 2 and prevent the cable 2 from bending, so that the joint of the cable 2 and the sensor 3 is broken, the sealing ring 32 is sleeved on the first isolation pipe 21 and is arranged above the supporting block 31, the limiting block 33 is in a hollow step shaft shape and is sleeved outside the sealing ring 32, the bottom of the limiting block supports the supporting block 31, and the limiting block 33 supports the supporting block 31 and the sealing ring 32 to be extruded and limited.

Fixed cover 35 suit is in the stopper 33 outside, stopper 33 and 3 surfaces of sensor all are equipped with the screw thread, fixed cover 35 passes through screw thread and stopper 33 and 3 fixed connection of sensor to the top of fixed cover 35 supports on the shaft shoulder of stopper 33, and fixed cover 35 can make stopper 33 rigidity, and stopper 33 upper surface is equipped with the mounting groove in the position that is close to sealing washer 32, be equipped with water-swelling's sealing ring 34 in the mounting groove, sealing ring 34 supports on sealing washer 32 lateral wall, and stopper 33 inboard forms airtight space, can effectively avoid the medium infiltration, erodees cable 2, can make cable 2 fixed with 3's relative position simultaneously, does not receive external medium influence.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-seal pressure transmitter, comprising: changer body (1), first isolation pipe (21), second isolation pipe (22) and sealing device, changer body (1) includes cable (2) and sensor (3), its characterized in that: the cable is characterized in that the first isolation pipe (21) is sleeved on the outer side of the cable (2) and the bottom of the first isolation pipe (21) is abutted against the sensor (3), the second isolation pipe (22) is sleeved on the outer side of the cable (2) and is connected with the first isolation pipe (21) at the same time, the sealing device comprises a supporting block (31), a sealing ring (32), a limiting block (33) and a fixing sleeve (35), the supporting block (31) is in a circular ring shape and is sleeved on the outer side of the first isolation pipe (21), the sealing ring (32) is sleeved on the first isolation pipe (21), the limiting block (33) is in a hollow step shaft shape and is sleeved on the outer side of the sealing ring (32), the bottom of the hollow step shaft shape is abutted against the supporting block (31), the fixing sleeve (35) is sleeved on the outer side of the limiting block (33), threads are arranged on the surfaces of the limiting block (33) and the sensor (3, and the top end of the fixed sleeve (35) is propped against the shaft shoulder of the limiting block (33).

2. The high-seal pressure transmitter of claim 1, wherein: the top end of the first isolation pipe (21) is provided with an annular overlapping bulge along the circumferential direction.

3. A high-seal pressure transmitter as in claim 2, wherein: the top end of the second isolation pipe (22) is provided with a circle of lap joint protrusion along the circumferential direction, the bottom of the second isolation pipe is provided with a lap joint buckle matched with the lap joint protrusion, and an elastic collar (23) is sleeved below the lap joint buckle.

4. A high-seal pressure transmitter as in claim 3 wherein: the bottom overlapping buckle part of the second isolation pipe (22) is made of elastic materials.

5. The high-seal pressure transmitter of claim 4, wherein: stopper (33) upper surface is equipped with the mounting groove in the position that is close to sealing washer (32), be equipped with water-swelling's sealing washer (34) in the mounting groove, sealing washer (34) support on sealing washer (32) lateral wall.