CN212458780U

CN212458780U - Leakage point that can superpose extension detects handheld ware auxiliary structure

Info

Publication number: CN212458780U
Application number: CN202021263267.7U
Authority: CN
Inventors: 张蒲根; 丁菊; 童壮根; 符明海; 宋友立; 陈艺; 王胜辉
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-02
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a leakage point that can superpose extension detects handheld ware auxiliary structure, a serial communication port, including suction pipe and solid fixed cylinder body, the one end of suction pipe can be sealed with the one end of solid fixed cylinder body and can dismantle and be connected, and the suction pipe is put through with the inner chamber of solid fixed cylinder body, and the one end of suction pipe and the junction between the solid fixed cylinder body are equipped with the dewatering filter membrane. By the aid of the superposed and extendable auxiliary structure for the leakage point detection handheld device, the superposed length can be increased as required, and the superposed structure is convenient and flexible; can make the witnessed inspections efficiency improve greatly to after the extension, for preventing because of the not observable possibility of imbibition water and liquid medium of visualing, set up the dewatering filter membrane in the junction between suction pipe and the fixed barrel, be used for carrying out the dewatering to the inspiratory gas of analysis appearance and remove the liquid, avoid producing destructive influence to the analysis appearance.

Description

Leakage point that can superpose extension detects handheld ware auxiliary structure

Technical Field

The utility model relates to a but leakage point of stack extension detects handheld ware auxiliary structure for in the testing process, because under the too high or unreachable circumstances such as testing personnel of leakage detection point position, can detect by the very fast through this auxiliary structure, belong to nondestructive test technical field.

Background

Nowadays, environmental protection is more and more emphasized by the nation. Among many pollution sources, the VOCs (volatile organic compounds for short) in chemical plants belong to a large factor of environmental pollution due to their large emission, high concentration and many kinds of pollutants. At present, the country carries out strict requirement to VOCs emission on the regulation level, more and more chemical enterprises begin to carry out regular leakage point detection work to self sealing point, and main leakage points include various valves, flanges, movable joints, safety valves on the pipeline container, orifice plates, regulating valves and the like on the instrument, sealing surfaces of static equipment bodies and accessories, sealing surfaces of pressure gauges, liquid level meters and the like, sealing pairs of continuous operation of movable equipment, sealing surfaces of the bodies and pipelines, and the like, wherein VOCs gas leakage is easy to occur. The detection work is mainly to detect the sealing point in the chemical device point to point through manual work. However, in the actual detection process, some problems still exist, for example, some sealing points are in high positions or positions which are inconvenient to reach, and the detection can be carried out only by erecting scaffolds; in the operation process of some mobile equipment, it is very unsafe for detection personnel to approach.

The complete leak detection device comprises: a hand-held unit, an analyser, a hand-held PDA, the hand-held unit comprising a hand-held conduit and a hand-held sleeve, wherein the main function of the hand-held unit is to collect a sample of gas near the sealed point, and wherein the analyser is responsible for analysing the inhaled gas, and wherein the analyser must be harmfully affected once liquid has been mixed into the analyser.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: when the position of the leakage detection point is too high or the detection personnel are inconvenient to arrive, how to carry out the detection quickly.

In order to solve the technical problem, the technical scheme of the utility model a but leakage point that stack extension detected handheld ware auxiliary structure is provided, a serial communication port, including inhaling pipe and fixed barrel, the one end that inhales the pipe is connected with the one end of fixed barrel is sealed can dismantle, inhales the pipe and the inner chamber switch-on of fixed barrel, and the one end that inhales the pipe and the junction between the fixed barrel are equipped with the dewatering filter membrane.

Preferably, the suction catheter comprises a shell and a catheter, the shell is arranged on the outer side of one end of the catheter, and one end of the shell is hermetically and detachably connected with one end of the fixed cylinder body, so that the catheter is communicated with the inner cavity of the fixed cylinder body; the suction conduit is of an integrally formed structure; the inner and outer diameters of the conduit are respectively the same as those of the conduit of the handheld device; the structure of the other end of the tube is the same as the structure of one end of the tube of the handset.

Preferably, the fixing cylinder is internally provided with a fixing rubber block, so that the handheld device catheter is fixed in the circumferential direction when inserted into the fixing cylinder.

Preferably, the fixing rubber block is of a structure with elasticity and friction force.

Preferably, a sealing ring for limiting and sealing is arranged at one end of the fixed cylinder body connected with the suction catheter.

Preferably, an inclined sealing rubber block matched with the end part of the tube of the handheld device is arranged at one end of the fixed cylinder body connected with the suction tube; the sealing ring is arranged between the slope sealing rubber block and the suction conduit.

Preferably, the end of the suction conduit remote from the fixed cylinder is provided with a tip identical to the end of the hand-held tube.

Preferably, the suction conduit and the fixed cylinder are connected through threads.

By the aid of the superposed and extendable auxiliary structure for the leakage point detection handheld device, the superposed length can be increased as required, and the superposed structure is convenient and flexible; can make the witnessed inspections efficiency improve greatly to after the extension, for preventing because of the not observable possibility of imbibition water and liquid medium of visualing, set up the dewatering filter membrane in the junction between suction pipe and the fixed barrel, be used for carrying out the dewatering to the inspiratory gas of analysis appearance and remove the liquid, avoid producing destructive influence to the analysis appearance.

Drawings

FIG. 1 is a schematic view of a stackable elongated leak detection handset assist configuration;

fig. 2 is a partially enlarged schematic view of fig. 1.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model provides a but leakage point of stack extension detects handheld ware auxiliary structure, as shown in fig. 1, fig. 2, it comprises two parts, including suction pipe 1 and solid fixed cylinder 5, suction pipe 1's one end and solid fixed cylinder 5's one end are sealed can dismantle and be connected, suction pipe 1 and solid fixed cylinder 5's inner chamber switch-on, the junction between suction pipe 1's one end and the solid fixed cylinder 5 is equipped with dewatering filter membrane 7.

The suction catheter 1 comprises a shell 11 and a catheter 12, one end of the shell 11 is connected with one end of the catheter 12, the other end of the shell 11 is connected with one end of the fixed cylinder 5 in a sealing and detachable mode, and the catheter 12 is communicated with the inner cavity of the fixed cylinder 5; the suction catheter 1 is of an integrally formed structure; the inner and outer diameters of the tube 12 are respectively the same as those of the tube of the handset; the other end of the tube 12 is of the same construction as the one end of the tube of the handset. The fixed rubber block 4 is arranged in the fixed cylinder 5, and the fixed rubber block 4 is fixed on the inner wall of the fixed cylinder 5.

A sealing ring 6 for limiting and sealing is arranged at one end of the fixed cylinder 5 connected with the suction catheter 1. An inclined sealing rubber block 3 matched with the end part of the pipe of the handheld device is arranged at one end of the fixed cylinder 5 connected with the suction pipe 1; the sealing ring 6 is arranged between the slope sealing rubber block 3 and the suction catheter 1. The end of the suction conduit 1 remote from the fixed cylinder 5 is provided with a tip identical to the end of the tube of the handset.

The suction duct 1 of the auxiliary structure is connected with the fixed cylinder 5 through the thread 2, and the dewatering filter membrane 7 can be replaced after the suction duct is opened.

When the handheld device is required to be overlapped and extended through the auxiliary structure, the handheld device can be realized by inserting the pipe of the handheld device into the fixed cylinder body 5 of the auxiliary structure, the fixed rubber block 4 is arranged in the fixed cylinder body 5, and the pipe of the handheld device can be axially fixed due to larger friction force; and the fixed rubber block 4 has certain elasticity, and can fix the circumference of the catheter of the handheld device. After the hand-held tube is inserted, the mouth tip of the hand-held tube is sealed by the inclined sealing rubber block 3 in the inserted fixed cylinder 5, and the sealing ring 6 is used for limiting and sealing between the hand-held tube and the inserted fixed cylinder 5.

The utility model discloses when using, whether confirm to need the stack auxiliary structure to extend according to the on-the-spot condition at the scene. After the determination is finished, firstly unscrewing the threads 2 between the shell 12 of the suction duct 1 and the fixed cylinder 5, determining whether the dewatering filter membrane 7 meets the requirements, and then screwing the suction duct 1 and the fixed cylinder 5; then, the fixed cylinder 5 of the auxiliary structure is inserted into the pipe of the hand-held device after passing through the pipe, and the inserted pipe of the hand-held device can be screwed in by rotating the fixed cylinder 5 after inserting until the end of the pipe of the hand-held device contacts the sealing ring 6 and a certain pre-tightening force is kept. Through distance judgment, the extension auxiliary structure can be continuously installed, if the auxiliary structure needs to be extended, the suction catheter 1 of the auxiliary structure is inserted into the fixed barrel 5 of another auxiliary structure according to the steps, and the length can be continuously increased until the length meets the detection requirement.

Through the utility model discloses an auxiliary structure for solve under the too high or unreachable circumstances such as testing personnel of leakage detection point position, can detect by the very fast through this auxiliary structure.

Claims

1. The utility model provides a leakage point that can superpose extension detects handheld ware auxiliary structure, its characterized in that, includes suction pipe (1) and fixed barrel (5), and the one end of suction pipe (1) is sealed to be dismantled with the one end of fixed barrel (5) and is connected, and suction pipe (1) and the inner chamber switch-on of fixed barrel (5), the junction between the one end of suction pipe (1) and fixed barrel (5) is equipped with dewatering filter membrane (7).

2. A stackable elongated leak detection handset auxiliary structure according to claim 1, wherein said suction duct (1) comprises a housing (11) and a duct (12), the housing (11) is provided outside one end of the duct (12), one end of the housing (11) is detachably connected with one end of the fixed cylinder (5) in a sealing manner, so that the duct (12) is communicated with the inner cavity of the fixed cylinder (5); the suction catheter (1) is of an integrally formed structure; the inner and outer diameters of the conduit (12) are respectively the same as those of the conduit of the handheld device; the other end of the tube (12) is of the same construction as the one end of the tube of the handset.

3. A superimposable elongated leak detection handset aid according to claim 1 or 2, wherein said static cylinder (5) has static glue (4) arranged therein to circumferentially secure the handset tube when inserted into the static cylinder (5).

4. A superimposable elongated leak detection handset auxiliary structure according to claim 3 wherein said fixing rubber block (4) is of a resilient and frictional construction.

5. A superimposable elongated leak detection handset auxiliary structure according to claim 1, characterized in that at the end of the fixed cylinder (5) connected to the suction catheter (1) is provided a sealing ring (6) for position and sealing.

6. A superimposable elongated leak detection handset auxiliary structure according to claim 5, wherein at the end of the fixed cylinder (5) connected to the suction duct (1) is provided a sloping sealing rubber block (3) matching the end of the handset duct; the sealing ring (6) is arranged between the slope sealing rubber block (3) and the suction conduit (1).

7. A superimposable elongated leak detection handset auxiliary structure according to claim 6, wherein the end of said suction duct (1) remote from the fixed cylinder (5) is provided with the same tip as the end of the handset duct.

8. A superimposable elongated leak detection handset auxiliary structure according to claim 1 wherein said suction duct (1) and fixed cylinder (5) are connected by means of screw thread (2).