CN218823002U

CN218823002U - Air tightness detection device for gas delivery pipe

Info

Publication number: CN218823002U
Application number: CN202320146391.2U
Authority: CN
Inventors: 施红梅; 王辉; 陈瑞云; 李良钊
Original assignee: Qingdao University of Science and Technology
Current assignee: Qingdao University of Science and Technology
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-04-07
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses an air tightness detection device for gas delivery pipes, which comprises a water collecting tank, wherein a fixing ring is fixedly connected in the water collecting tank, a first sealing ring is fixedly connected in the fixing ring, two fixing blocks which are symmetrically arranged are fixedly connected in the water collecting tank, one of the fixing blocks is connected with a sliding rod through a screw, the sliding rod is connected with an installation rod with the cross section in an L-shaped arrangement in a sliding way, and a sealing plate is fixedly connected on the installation rod; one side of the water collecting tank is fixedly connected with a gas storage tank, and a sliding plate is connected to the gas storage tank in a sliding mode. The utility model discloses can be relatively quick audio-visual see out whether up to standard gas-supply pipe gas tightness, carry out the operation step that the gas tightness detected comparatively portably to the gas-supply pipe, the staff detects time measuring time consuming shorter to the gas-supply pipe for it is higher to carry out the efficiency that the gas tightness detected to the gas-supply pipe, is favorable to detecting the gas tightness of gas-supply pipe.

Description

Airtightness detection device for gas delivery pipe

Technical Field

The utility model relates to an air tightness detects technical field, especially relates to an air tightness detection device for gas-supply pipe.

Background

Along with the development of society, the progress of science and technology, the use amount of gas-supply pipe is also constantly increasing, and many places all need use the gas-supply pipe, and the gas-supply pipe is in the in-process of manufacturing, need carry out many processes, and the gas-supply pipe still needs to carry out the gas tightness before using, guarantees that the follow-up normal use that can of gas-supply pipe.

At present, the device for detecting the air tightness of the air delivery pipe is complex in operation steps for detecting the air tightness of the air delivery pipe, and the time consumed by workers in detecting the air delivery pipe is long, so that the efficiency of detecting the air tightness of the air delivery pipe is low, and the air tightness of the air delivery pipe is not easy to detect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, carry out the device that the gas tightness detected to the gas-supply pipe at present, the operation step that carries out the gas tightness to the gas-supply pipe detects is comparatively loaded down with trivial details, and the staff detects time measuring consumed time longer to the gas-supply pipe to it is lower to lead to carrying out the efficiency that the gas tightness detected to the gas-supply pipe, is unfavorable for detecting the gas tightness of gas-supply pipe, and the gas tightness detection device for gas-supply pipe that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the air tightness detection device for the gas delivery pipe comprises a water collection tank, wherein a fixing ring is fixedly connected in the water collection tank, a first sealing ring is fixedly connected in the fixing ring, two symmetrically arranged fixing blocks are fixedly connected in the water collection tank, one fixing block is connected with a sliding rod through a screw, the sliding rod is slidably connected with an installation rod with an L-shaped cross section, and a sealing plate is fixedly connected on the installation rod;

one side fixedly connected with gas storage tank of header tank, sliding connection has the sliding plate on the gas storage tank, fixedly connected with push rod on the sliding plate, be provided with coupling assembling on the gas storage tank, coupling assembling include with the fixed pipe of gas storage tank intercommunication.

Preferably, sliding connection has the dead lever on the header tank, the one end fixedly connected with cross piece of dead lever, every equal sliding connection has the bracing piece on the fixed block, every the bracing piece all through the hinge bar with the cross piece is connected, the one end fixedly connected with arc splint of bracing piece.

Preferably, one side fixedly connected with limiting plate of header tank, a plurality of recesses have been seted up on the limiting plate, the dead lever pass through the bolt with groove connection.

Preferably, a second sealing ring is fixedly connected to the inner wall of one side of the water collecting tank, and the second sealing ring is arranged on the periphery of the fixing rod.

Preferably, a spring is fixedly connected to the mounting rod, and the spring is fixedly connected with the sliding rod.

Preferably, the fixed pipe with the solid fixed ring intercommunication each other, the fixed pipe with all be provided with the check valve on the gas storage tank.

Compared with the prior art, the beneficial effects of the utility model are that:

through promoting the push rod, gas in the gas storage tank gets into in the gas transmission pipe through fixed pipe, it produces whether the gas transmission pipe periphery has the bubble, if there is the bubble to produce, then it does not reach standard to indicate the gas tightness of gas transmission pipe, otherwise then reach standard, can relatively quick audio-visual see out whether the gas transmission pipe gas tightness is up to standard, the operating procedure that carries out the gas tightness detection to the gas transmission pipe is comparatively simple and convenient, the staff detects the time that the time measuring consumed is shorter to the gas transmission pipe, make the efficiency of carrying out the gas tightness detection to the gas transmission pipe higher, be favorable to the gas tightness detection to the gas transmission pipe.

Drawings

FIG. 1 is a schematic view of a top view of a gas tightness detecting device for gas pipes according to the present invention;

FIG. 2 is a schematic view of a front cross-sectional structure of the air tightness detecting device for gas pipes according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of the air tightness detecting device for gas pipes according to the present invention.

In the figure: 1 header tank, 2 closing plates, 3 installation poles, 4 slide bars, 5 cross pieces, 6 dead levers, 7 limiting plates, 8 second sealing rings, 9 hinge bars, 10 bracing pieces, 11 gas storage tanks, 12 push rods, 13 check valves, 14 arc-shaped clamping plates, 15 first sealing rings, 16 fixed rings, 17 fixed pipes, 18 fixed blocks, 19 springs, 20 sliding plates.

Detailed description of the preferred embodiments

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.

In the present invention, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, but not for limiting the range of the present invention, and the relative relationship changes or adjustments without substantial technical changes should be regarded as the scope of the present invention.

Referring to fig. 1-3, an air tightness detection device for gas pipes, including header tank 1, fixedly connected with solid fixed ring 16 in header tank 1, fixedly connected with first sealing washer 15 in solid fixed ring 16, the height of solid fixed ring 16 and first sealing washer 15 is much lower than the height of gas pipe, fixedly connected with two fixed blocks 18 that are the symmetry setting in header tank 1, there is slide bar 4 through the screw connection on one of them fixed block 18, sliding connection has transversal installation pole 3 that personally submits the L shape setting on slide bar 4, fixedly connected with closing plate 2 on the installation pole 3, one side fixedly connected with gas storage tank 11 of header tank 1, sliding connection has sliding plate 20 on gas storage tank 11, fixedly connected with push rod 12 on sliding plate 20, be provided with coupling assembling on gas storage tank 11, coupling assembling includes fixed tube 17 with gas storage tank 11 intercommunication.

Sliding connection has dead lever 6 on header tank 1, the one end fixedly connected with cross 5 of dead lever 6, equal sliding connection has bracing piece 10 on every fixed block 18, every bracing piece 10 all is connected through hinge bar 9 and cross 5, the one end fixedly connected with arc splint 14 of bracing piece 10, dead lever 6 and header tank 1 take place the in-process of relative slip, the contained angle between two hinge bars 9 diminishes, every bracing piece 10 all can take place the relative slip with fixed block 18, two arc splint 14 carry out the centre gripping to the gas-supply pipe, the surface that each arc splint 14 and gas-supply pipe contacted is provided with a plurality of friction bulge (not shown in the figure), frictional force when can increasing and gas-supply pipe contact, be favorable to the centre gripping to the gas-supply pipe.

One side fixedly connected with limiting plate 7 of header tank 1, a plurality of recesses have been seted up on limiting plate 7, dead lever 6 passes through bolt and groove connection, pass dead lever 6 with bolt one end, and the groove connection who corresponds on bolt one end and the limiting plate 7, can prevent dead lever 6 and limiting plate 7 emergence relative slip, the position of cross piece 5 remains stable, fixedly connected with second sealing washer 8 on one side inner wall of header tank 1, second sealing washer 8 sets up the periphery at dead lever 6, second sealing washer 8 can improve the leakproofness that dead lever 6 and header tank 1 are connected, avoid the clear water in header tank 1, ooze from the junction of dead lever 6 and header tank 1.

Fixedly connected with spring 19 on installation pole 3,

spring

19 and 4 fixed connection of slide bar, remove the effort of exerting on installation pole 3, under spring 19's spring action, the vertical downstream of closing plate 2 just hugs closely with the upper end of gas-supply pipe, spring 19's elasticity is enough big, during gas access gas-supply pipe, can not promote closing plate 2 rebound, fixed pipe 17 and solid fixed ring 16 communicate each other, all be provided with check valve 13 on fixed pipe 17 and the gas storage box 11, under check valve 13's limiting displacement, gas only can enter into in the gas storage box 11 from the outside, later through in fixed pipe 17 gets into the gas-supply pipe, gas in the gas-supply pipe can't get into in the gas storage box 11 through fixed pipe 17.

The utility model discloses in, during the use, place the one end of gas-supply pipe in solid fixed ring 16, the surface of first sealing washer 15 and gas-supply pipe is hugged closely, make the leakproofness that solid fixed ring 16 and gas-supply pipe are connected good, later pulling dead lever 6, dead lever 6 and water collecting tank 1 take place the in-process of relative slip, because each articulated arm 9 one end is articulated with the bracing piece 10 that corresponds, the other end all articulates with cross 5, contained angle between two articulated arms 9 diminishes, every bracing piece 10 all can take place relative slip with fixed block 18, hug closely until each arc splint 14 all with the surface of gas-supply pipe, pass dead lever 6 with bolt one end, and the groove connection who corresponds on bolt one end and the limiting plate 7, upwards pulling installation pole 3 again, spring 19 takes place deformation, make slide bar 4 and fixed block 18 take place relative slip, be located the gas-supply pipe until closing plate 2, utilize the screw to connect slide bar 4 and fixed block 18.

The acting force applied to the mounting rod 3 is removed, under the elastic force action of the spring 19, the sealing plate 2 vertically moves downwards and is tightly attached to the upper end of the gas conveying pipe, the sealing performance is good when the sealing plate 2 is connected with the gas conveying pipe, the upper end of the gas conveying pipe can be tightly sealed, clean water is injected into the water collecting tank 1 finally, the gas conveying pipe is covered by the clean water, the push rod 12 is pushed, gas in the gas storage tank 11 enters the gas conveying pipe through the fixing pipe 17, whether bubbles are generated on the periphery of the gas conveying pipe or not is observed, if bubbles are generated, the gas tightness of the gas conveying pipe is not up to standard, otherwise, the operation step of detecting the gas tightness of the gas conveying pipe is simple and convenient, the time consumed by a worker when the gas conveying pipe is detected is short, the efficiency of detecting the gas tightness of the gas conveying pipe is high, and the gas tightness of the gas conveying pipe is favorably detected.

In the present application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically stated or limited.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The air tightness detection device for the gas transmission pipe comprises a water collection tank (1), and is characterized in that a fixing ring (16) is fixedly connected in the water collection tank (1), a first sealing ring (15) is fixedly connected in the fixing ring (16), two symmetrically arranged fixing blocks (18) are fixedly connected in the water collection tank (1), one fixing block (18) is connected with a sliding rod (4) through a screw, the sliding rod (4) is slidably connected with an installation rod (3) with an L-shaped cross section, and a sealing plate (2) is fixedly connected on the installation rod (3);

one side fixedly connected with gas tank (11) of header tank (1), sliding connection has sliding plate (20) on gas tank (11), fixedly connected with push rod (12) on sliding plate (20), be provided with coupling assembling on gas tank (11), coupling assembling include with fixed pipe (17) of gas tank (11) intercommunication.

2. The airtightness detection device for the gas transmission pipe according to claim 1, wherein a fixing rod (6) is slidably connected to the water collection tank (1), a cross block (5) is fixedly connected to one end of the fixing rod (6), a support rod (10) is slidably connected to each fixing block (18), each support rod (10) is connected to the cross block (5) through a hinge rod (9), and an arc-shaped clamping plate (14) is fixedly connected to one end of each support rod (10).

3. The air tightness detection device for the air delivery pipe according to claim 2, wherein a limiting plate (7) is fixedly connected to one side of the water collection tank (1), a plurality of grooves are formed in the limiting plate (7), and the fixing rod (6) is connected with the grooves through bolts.

4. The air tightness detection device for the gas delivery pipe according to claim 2, wherein a second sealing ring (8) is fixedly connected to the inner wall of one side of the water collection tank (1), and the second sealing ring (8) is arranged on the periphery of the fixing rod (6).

5. The air tightness detection device for gas delivery pipes according to claim 1, characterized in that a spring (19) is fixedly connected to the mounting rod (3), and the spring (19) is fixedly connected to the sliding rod (4).

6. The air tightness detection device for gas delivery pipes according to claim 1, wherein the fixing tube (17) and the fixing ring (16) are communicated with each other, and the fixing tube (17) and the gas tank (11) are provided with check valves (13).