CN216483748U

CN216483748U - Gas leakage detection device

Info

Publication number: CN216483748U
Application number: CN202220105974.6U
Authority: CN
Inventors: 刘建桥
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-10
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a gas leak detection device, relate to chemical industry gas leak hunting field, aim at solving among the prior art at the pipeline corner or, the tee bend pipe fitting, the problem of installation of tee bend pipe fitting department not convenient for, the technical scheme of adoption is, through setting up epitheca and inferior valve, with epitheca and inferior valve lock in the pipeline department of meeting, the mouth of pipe that the annular set up can compatible straight pipeline, the tee bend pipe fitting, multiple pipeline interface modes such as 90 degrees elbows, the inside cavity that spherical shell formed can hold accessories such as ring flange of junction, gas that can also make the leakage stops in the cavity, be convenient for improve the accuracy that detects, the gasket can seal the epitheca, between the inferior valve and the mouth of pipe, the seam between the mouth of pipe down, the sealed gasket can seal the seam between mouth of pipe and the pipeline, prevent that the gas of leaking from further overflowing.

Description

Gas leakage detection device

Technical Field

The utility model relates to a chemical industry gas leak hunting field specifically is a gas leak hunting device.

Background

In the chemical production process, gas is one of main material forms, in the fluid transportation process, the leakproofness of pipeline department of meeting is the important link of ensureing production safety, and in the gas transportation process, if the junction is not sealed completely, the gas leakage condition appears very easily, and the gas that uses in the chemical production process is many all easily fires explosive gas or toxic gas, in case leak can cause serious production accident.

The gas leakage detector is a commonly used gas leakage detecting device, but the joint of the gas leakage detecting device is fixed, the installation environment is limited, and the joint of two pipelines, especially the joint of a tee pipe fitting and a four-way pipe fitting, is not convenient to install.

Chinese patent CN201922090151.1 discloses a gas leakage detecting device for chemical engineering, which adopts the technical scheme that the device comprises two gas transmission pipelines which are mutually communicated and fixed, wherein a quick clamping sealing mechanism and a leakage detecting mechanism matched with the quick clamping sealing mechanism are arranged on the two gas transmission pipelines, the quick clamping sealing mechanism comprises two semicircular pipes which are sleeved on the two gas transmission pipelines, the two semicircular pipes form a whole circular pipe, the outer side of the gas transmission pipeline is in sealing movable contact with two semicircular sealing rubber rings, the outer sides of the semicircular sealing rubber rings are fixedly bonded with the inner sides of the corresponding semicircular pipes, the two semicircular sealing rubber rings on the same vertical line form a whole circular sealing ring, one side of the two semicircular pipes is fixedly connected with the same hinge, the two semicircular pipes are rotatably installed through the hinge, and the other side of the semicircular pipe below the two semicircular pipes is provided with a rectangular groove, and sliding sleeve is equipped with the rectangular pole in the rectangular channel, the one end of rectangular pole extends to a semicircle outside of the pipe, the same extension spring of fixedly connected with between its open-ended one side inner wall is kept away from to the other end of rectangular pole and rectangular channel, top one side fixedly connected with montant of rectangular pole, and the montant is close to one side fixedly connected with trapezoidal piece of another semicircle pipe, one side that the trapezoidal piece is close to another semicircle pipe is established to the inclined plane, another fixedly connected with L shape handle of montant, the opposite side bottom fixedly connected with dog of another semicircle pipe, and the one end nestification of dog has the ball, inclined plane looks adaptation on ball and the trapezoidal piece, the top of dog and the bottom swing joint of trapezoidal piece. This technical scheme is not obvious to the gas leakage feedback of the easy soluble in water, and needs the staff frequently to patrol and examine, and working strength is big.

SUMMERY OF THE UTILITY MODEL

The technical problem to prior art is not enough, the utility model provides a gas leakage detection device is convenient for install in the pipeline department of meeting, and also homoenergetic compatible to tee bend pipe fitting, four-way pipe fitting, uses the gas leakage detector to detect, reduces the staff and patrols and examines the frequency, reduces working strength.

In order to achieve the purpose, the utility model adopts the technical scheme that the gas leakage detection device comprises a gas leakage detector and a shell, wherein the shell further comprises an upper shell and a lower shell, the upper shell and the lower shell are detachably connected, a gasket is arranged in the middle of the upper shell and the lower shell, the gap between the upper shell and the lower shell can be sealed, gas leakage is prevented, four pipe orifices are arranged on the periphery of the shell in an annular array manner, the pipe orifices are compatible with a straight pipe connection, a three-way pipe fitting and a four-way pipe fitting, the pipe orifices are communicated with the inside of the shell, a sealing gasket is arranged on the inner side of each pipe orifice and can seal the seam between each pipe orifice and the pipeline, a sealing plug is detachably connected to each pipe orifice and can seal the pipe orifice which is not needed to be used, so that the inside of the sealed shell is prevented from further overflowing; an instrument connecting port is formed in the shell, and the gas leakage detector is installed on the instrument connecting port.

As an optimal technical scheme of the utility model, the mouth of pipe includes mouth of pipe and lower mouth of pipe, go up the mouth of pipe with the epitheca links to each other, down the mouth of pipe with the inferior valve links to each other, go up the mouth of pipe have down between the mouth of pipe the gasket, the gasket can seal go up the mouth of pipe with seam down between the mouth of pipe, go up the mouth of pipe down the mouth of pipe inboard all is equipped with sealed the pad, sealed pad can seal up the mouth of pipe and pass the gap between the pipeline in the mouth of pipe, sealed pad is the arc piece, sealed pad with cylinder type tubular structure is constituteed jointly to the gasket medial surface, laminating pipeline outer wall that can be better.

As an optimized technical scheme of the utility model, seal the jam with connect through flange or chuck-clamp-sealing washer between the mouth of pipe, connect stable leakproofness good.

As a preferred technical solution of the present invention, the housing is a spherical housing; the gasket comprises two arc-shaped sections and two straight sections, the two straight sections are arranged at two ends of each arc-shaped section, the arc-shaped sections are positioned between the upper shell and the lower shell, and the straight sections are positioned between the upper pipe orifice and the lower pipe orifice; the number of the gaskets is four, and the gaskets correspond to the positions of the pipe orifices and are matched with the sizes of the pipe orifices.

As a preferred technical scheme of the utility model, it has first bolt hole to go up on the mouth of pipe, there is first screw hole down on the mouth of pipe, the gasket have the fourth bolt hole on the straight section, first bolt hole first screw hole with fourth bolt hole position is corresponding, size phase-match, sliding connection has first bolt in the first bolt hole, first bolt passes fourth bolt hole screw in first threaded hole can link to each other mouth of pipe, lower mouth of pipe through the bolt, makes the two compress tightly the gasket simultaneously, guarantees sealed effect.

As the utility model discloses a preferred technical scheme, there is the second bolt hole on the epitheca, the gasket there is the third bolt hole on the segmental arc, there is the second screw hole on the inferior valve, the second bolt hole with the third bolt hole the second screw hole position is corresponding, size phase-match, sliding connection has the second bolt in the second bolt hole, the second bolt passes third bolt hole screw in the second screw hole, can compress tightly the gasket simultaneously and place seam department gas leakage through bolted connection epitheca and inferior valve.

As an optimal technical scheme of the utility model, the gasket have the locating pin on the segmental arc, the inferior valve with have on the epitheca respectively with the locating pin position is corresponding, size assorted first locating hole and second locating hole, can insert first locating hole and second locating hole with the locating pin during the installation gasket in to prevent that the gasket from taking place to slide.

As an optimal technical scheme of the utility model, gas leakage detector with on the epitheca the instrument connector directly links to each other, and the casing is with tee bend external seal, if appear leaking, leaks gas and can enrich in the casing, and the gas leakage detector of being convenient for detects to staff's further processing.

As an optimal technical scheme of the utility model, gas leakage detector with on the epitheca the instrument connector links to each other through L type connecting pipe, to the pipeline that vertical face extends, can link to each other gas leakage detector through L type pipe and instrument connector to ensure the vertical installation of gas leakage detector, the reading of being convenient for, L type pipe both ends one end with instrument connector shape, size are the same, the other end with gas leakage detector's connection port shape, size are the same.

The utility model has the advantages that: the utility model discloses a set up epitheca and inferior valve, with epitheca and inferior valve lock in the pipeline department of meeting, the mouth of pipe that the annular set up can compatible straight pipeline, tee bend pipe fitting, the tee bend pipe fitting, multiple pipeline interface modes such as 90 degrees elbows, the inside cavity that the spherical shell formed can hold accessories such as the ring flange of junction, gas that can also make the leakage stops in the cavity, be convenient for improve the accuracy that detects, the epitheca can be sealed to the gasket, with the mouth of pipe on between the inferior valve, the seam between the mouth of pipe down, the seam between sealed pad can seal the mouth of pipe and the pipeline, the gas that prevents to leak further spills over.

Furthermore, the locating pin on the gasket can be convenient for the quick location installation of gasket when the gasket is installed, and can prevent it from sliding, improves the casing connection efficiency.

Furthermore, the gas leakage detector is used for detecting, so that various problems of gas leakage which is insoluble in water and soluble in water can be monitored, the compatibility is strong, the polling frequency of workers can be reduced, and the working strength is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below; in all the drawings, the elements or parts are not necessarily drawn to actual scale.

FIG. 1 is a schematic cross-sectional view of the connecting pipe orifice of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the connecting plugging plug of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is an exploded view of the structure of the present invention;

fig. 5 is a schematic view of the gasket structure of the present invention.

In the figure: 1. an upper shell; 2. a lower case; 3. an upper pipe orifice; 4. a lower pipe orifice; 5. a gasket; 6. blocking; 7. a gasket; 701. an arc-shaped section; 702. a straight section; 8. a first bolt hole; 9. a first bolt; 10. a second bolt hole; 11. a second bolt; 12. an instrument connector; 13. a first threaded hole; 14. a second threaded hole; 15. a first positioning hole; 16. a third bolt hole; 17. a fourth bolt hole; 18. and a positioning pin.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1 to 5, the utility model discloses a gas leakage detecting device, which adopts the technical scheme that the gas leakage detecting device comprises a gas leakage detector and a shell, the shell further comprises an upper shell 1 and a lower shell 2, a gasket 7 is arranged between the upper shell 1 and the lower shell 2, a second bolt hole 10 is arranged on the upper shell 1, a third bolt hole 16 is arranged on the gasket 7, a second threaded hole 14 is arranged on the lower shell 2, the second bolt hole 10, the third bolt hole 16 and the second threaded hole 14 are corresponding in position and matched in size, a second bolt 11 is connected in the second bolt hole 10 in a sliding way, when the gas leakage detecting device is installed, the upper shell 1 and the lower shell 2 are buckled from two sides of a pipe fitting, then the second bolt 11 penetrates through the second bolt hole 10, the third bolt hole 16 is screwed into the second threaded hole 14, so as to connect the upper shell 1 and the lower shell 2 and seal a seam, the shell is provided with four pipe orifices in the periphery in an annular array, the pipe orifices are communicated with the inside of the shell, the inner side of each pipe orifice is provided with a sealing gasket 5, each pipe orifice comprises an upper pipe orifice 3 and a lower pipe orifice 4, the upper pipe orifice 3 is connected with the upper shell 1, the lower pipe orifice 4 is connected with the lower shell 2, a gasket 7 is arranged between the upper pipe orifice 3 and the lower pipe orifice 4, the sealing gasket 5 is arranged on the inner side of the upper pipe orifice 3 and the inner side of the lower pipe orifice 4, the sealing gasket 5 is an arc-shaped sheet, the sealing gasket 5 and the inner side face of the gasket 7 jointly form a cylindrical tubular structure, when the upper shell 1 and the lower shell 2 are buckled, the upper pipe orifice 3 and the lower pipe orifice 4 embrace pipelines connected with the inner pipe fittings of the shell from two sides, the sealing gasket 5 can seal joints between the pipe orifices and the pipelines, air leakage is prevented, and the upper pipe orifice 3 is provided with a first bolt hole 8, the lower pipe orifice 4 is provided with a first threaded hole 13, the straight section 702 of the gasket 7 is provided with a fourth bolt hole 17, the first bolt hole 8, the first threaded hole 13 and the fourth bolt hole 17 are corresponding in position and matched in size, the first bolt hole 8 is connected with a first bolt 9 in a sliding mode, after the upper pipe orifice 3 and the lower pipe orifice 4 are folded, the first bolt 9 penetrates through the fourth bolt hole 17 and is screwed into the first threaded hole 13 to be fixedly sealed, the pipe orifice is detachably connected with a sealing plug 6, if the pipe orifices are not completely used, the unused pipe orifices can be sealed by the sealing plug 6, the outer ends of the sealing plugs 6 are provided with handles, the sealing plugs 6 can be conveniently mounted and removed, the inner ends of the sealing plugs are provided with chamfers, the sealing gaskets 5 can be squeezed, and the mounting is convenient under the premise of ensuring complete sealing; an instrument connecting port 12 is formed in the shell, and the gas leakage detector is installed on the instrument connecting port 12.

As an optimal technical scheme of the utility model, seal and block up 6 with all there is the ring flange on the mouth of pipe, ring flange on the mouth of pipe divide into two parts, installs respectively on last mouth of pipe 3 and lower mouth of pipe 4, goes up mouth of pipe 3 and lower mouth of pipe 4 and links together the back, and the ring flange on the mouth of pipe is relative, and the ring flange on the mouth of pipe on will plugging stopper 6 again meets with the ring flange on the mouth of pipe can.

As a preferred technical solution of the present invention, the housing is a spherical housing; gasket 7 includes segmental arc 701 and straight section 702, straight section 702 has two, sets up segmental arc 701 both ends, segmental arc 701 is located epitheca 1 with between the inferior valve 2, straight section 702 be with go up mouth of pipe 3 with between the mouth of pipe 4 down, can with casing, the seam position on the mouth of pipe corresponding, the size phase-match, make sealed effect better.

As an optimal technical scheme of the utility model, gasket 7 have locating pin 18 on the segmental arc 701, inferior valve 2 with on the epitheca 1 respectively have with locating pin 18 position is corresponding, size assorted first locating hole 15 and second locating hole, because of gasket 7 is four independent gaskets, during the event installation gasket 7, insert first locating hole 15 and second locating hole with locating pin 18, the location of gasket 7 of being more convenient for takes place to slide during the installation.

As a preferred technical solution of the present invention, the gas leakage detector and the upper case 1 are provided with the meter connector 12 directly connected to each other.

The utility model discloses a theory of operation: taking installation at a tee pipe fitting as an example, a gasket 7 is installed on a lower shell 1, a positioning pin 18 of the gasket 7 enters a first positioning hole 15, an upper shell 1 and a lower shell 2 are buckled from two sides of the tee pipe fitting, the positioning pin 18 of the gasket 7 enters a second positioning hole of the upper shell 1, the upper shell 1 and the lower shell 2 clamp an arc-shaped section 701 of the gasket 7, an upper pipe orifice 3 and a lower pipe orifice 4 clamp a straight section 702 of the gasket 7, and meanwhile, a sealing gasket 5 of the upper pipe orifice 3 and the lower pipe orifice 4 clamp a pipeline connected with the tee pipe fitting from two sides so as to seal a joint; a first bolt 9 penetrates through a first bolt hole 8 and a fourth bolt hole 17 and then is screwed into a first threaded hole 13, a second bolt 11 penetrates through a second bolt hole 10 and a third bolt hole 16 and is screwed into a second threaded hole 14 so as to tightly press a gasket 7 and a sealing gasket 5, a joint is sealed, a sealing plug 6 is arranged at a fourth pipe orifice through which a pipeline does not penetrate, the sealing plug 6 is fixedly connected with the pipe orifice through a flange, and the sealing plug 6 is tightly connected with the sealing gasket 5 and the gasket 7; a gas leak detector is installed at the meter connection port 12.

The mechanical connection according to the present invention is a conventional means used by those skilled in the art, and can be suggested by limited tests, which is common knowledge.

Components not described in detail herein are prior art.

Although the specific embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations that do not have creative work are still within the scope of the present invention.

Claims

1. Gas leak detection device, including gas leakage detector, its characterized in that: the sealing device is characterized by further comprising a shell, the shell further comprises an upper shell (1) and a lower shell (2), the upper shell (1) and the lower shell (2) are detachably connected, a gasket (7) is arranged in the middle of the upper shell, four pipe orifices are annularly arrayed around the shell and communicated with the interior of the shell, a sealing gasket (5) is arranged on the inner side of each pipe orifice, a sealing plug (6) is detachably connected to each pipe orifice, and each pipe orifice is a split type pipe orifice; an instrument connecting port (12) is formed in the shell, and the gas leakage detector is installed on the instrument connecting port (12).

2. Gas leak detection apparatus according to claim 1, wherein: the mouth of pipe includes mouth of pipe (3) and lower mouth of pipe (4), go up mouth of pipe (3) with epitheca (1) links to each other, down mouth of pipe (4) with inferior valve (2) link to each other, go up mouth of pipe (3) have down between mouth of pipe (4) gasket (7), go up mouth of pipe (3) mouth of pipe (4) inboard all is equipped with down sealed pad (5), sealed pad (5) are the arc piece, sealed pad (5) with cylinder type tubular structure is constituteed jointly to gasket (7) medial surface.

3. Gas leak detection apparatus according to claim 2, wherein: the sealing plug (6) is connected with the pipe orifice through a flange or a chuck-hoop-sealing ring.

4. Gas leak detection apparatus according to claim 3, wherein: the shell is a spherical shell; the gasket (7) comprises two arc-shaped sections (701) and two straight sections (702), the two straight sections (702) are arranged at two ends of the arc-shaped sections (701), the arc-shaped sections (701) are positioned between the upper shell (1) and the lower shell (2), and the straight sections (702) are positioned between the upper pipe orifice (3) and the lower pipe orifice (4); the number of the gaskets (7) is four, and the gaskets correspond to the positions of the pipe orifices and are matched with the sizes of the pipe orifices.

5. Gas leak detection apparatus according to claim 4, wherein: go up mouth of pipe (3) and go up first bolt hole (8), there is first screw hole (13) down on mouth of pipe (4), gasket (7) there is fourth bolt hole (17) on straight section (702), first bolt hole (8) first screw hole (13) with fourth bolt hole (17) position is corresponding, size phase-match, sliding connection has first bolt (9) in first bolt hole (8), first bolt (9) pass fourth bolt hole (17) screw in first screw hole (13).

6. Gas leak detection apparatus according to claim 4, wherein: there is second bolt hole (10) on epitheca (1), gasket (7) there is third bolt hole (16) on segmental arc (701), there is second screw hole (14) on inferior valve (2), second bolt hole (10) with third bolt hole (16) second screw hole (14) position is corresponding, size phase-match, sliding connection has second bolt (11) in second bolt hole (10), second bolt (11) pass third bolt hole (16) screw in second screw hole (14).

7. Gas leak detection apparatus according to claim 4, wherein: the arc-shaped section (701) of the gasket (7) is provided with a positioning pin (18), and the lower shell (2) and the upper shell (1) are respectively provided with a first positioning hole (15) and a second positioning hole which correspond to the positioning pin (18) in position and are matched in size.

8. Gas leak detection apparatus according to claim 1, wherein: the gas leakage detector is directly connected with the instrument connecting port (12) on the upper shell (1).