CN220854321U

CN220854321U - Plug-in type gas sampling tube

Info

Publication number: CN220854321U
Application number: CN202322357434.4U
Authority: CN
Inventors: 金诚; 肖啸
Original assignee: Wuhan Zhongke Yichuang Technology Co ltd
Current assignee: Wuhan Zhongke Yichuang Technology Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-26
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a plug-in type gas sampling tube, which comprises a gas detector and further comprises: a primary collection tube mounted to the outboard inlet end of the gas detector; a second collection tube located outside the air intake end of the first collection tube; the valve body assembly is arranged at the joint of the first collecting pipe and the second collecting pipe, so that the first collecting pipe is conveniently in butt joint with the second collecting pipe through the valve body assembly; and the positioning assembly is arranged outside the air inlet end of the gas detector. The pluggable gas sampling tube provided by the utility model is provided with the detachable structure, the butt joint installation between the tube body and the gas detector can be rapidly completed by directly plugging the tube body into the connecting sleeve block through the connecting tube, the connecting tube can be directly pulled out of the connecting sleeve block after the positioning frame is pressed, the disassembling step is rapidly completed, and meanwhile, the pluggable gas sampling tube is provided with the valve body assembly which is provided with the detachable structure, so that the valve body assembly is convenient to disassemble and assemble with the first collecting tube and the second collecting tube.

Description

Plug-in type gas sampling tube

Technical Field

The utility model relates to the technical field of gas sampling, in particular to a pluggable gas sampling tube.

Background

The gas detector is an instrument tool for detecting the gas types and gas concentrations in the environment, and comprises a portable gas detector, a handheld gas detector, a fixed gas detector, an online gas detector and the like. In environmental detection, the gas detector may be used to detect harmful gases in air, such as carbon monoxide, sulfur dioxide, nitrogen oxides, etc., and combustible gases, such as methane, propane, etc. If the gas exceeds the safety range, the gas is harmful to human health and environment, so that the gas needs to be monitored by a gas detector.

The gas detector needs the sampling pipe to the business turn over extraction of current environment when using, and the body is in the use, and the damage can not appear or need change the body because other reasons, and current fixed installation is inconvenient to tear open the sampling pipe body open and trade, so proposes a plug-in gas sampling pipe.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a plug-in type gas sampling tube, and aims to solve the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a plug-in gas sampling pipe, a plug-in gas sampling pipe, includes the gas detector, still includes:

a primary collection tube mounted to the outboard inlet end of the gas detector;

A second collection tube located outside the air intake end of the first collection tube;

The valve body assembly is arranged at the joint of the first collecting pipe and the second collecting pipe, so that the first collecting pipe is conveniently in butt joint with the second collecting pipe through the valve body assembly;

and the positioning assembly is arranged outside the air inlet end of the gas detector and is used for butting the first collecting pipe with the gas detector.

Preferably, the valve body assembly further comprises a mounting shell, a movable plate, a second sealing gasket and a first spring;

a mounting shell positioned between the air outlet end of the second collection tube and the air inlet end of the first collection tube;

A movable plate located inside the installation case;

One end of the second sealing gasket is fixedly connected with the movable plate, and the other end of the second sealing gasket is attached to the inner wall of the mounting shell;

And one end of the first spring is fixedly connected with the inner wall of the installation shell, and the other end of the first spring is fixedly connected with the movable plate.

Preferably, the number of the mounting shells is two, the outer ends of the two groups of mounting shells are fixedly connected with mounting blocks, and the two groups of mounting blocks are connected by adopting first bolts;

and a third sealing gasket is fixedly connected to the mounting shell of one group and is in fit with the mounting shell of the other group.

Preferably, the outer side of the air inlet end and the air outlet end of the installation shell is fixedly connected with a plug ring;

The outer ends, close to the valve body assembly, of the first collecting pipe and the second collecting pipe are fixedly connected with a fixing block, and the fixing block is connected with the plug-in ring through a second bolt.

Preferably, the movable plate is internally provided with a plurality of air holes in a ring shape, so that the air flow can pass through conveniently.

Preferably, the positioning assembly further comprises a joint sleeve block, a positioning frame and a second spring;

the connecting sleeve block is fixedly connected to the outer side of the air inlet end of the air detector;

The positioning frame is connected to the inner side of the connecting sleeve block in a sliding manner;

And a second spring installed inside the joint sleeve block and located at the lower side of the positioning frame.

Preferably, the air outlet end of the first collecting pipe is fixedly connected with a connecting pipe, the outer end of the connecting pipe is fixedly connected with a clamping block, and the clamping block is in clamping connection with the positioning frame;

one side of the outer end of the connecting pipe, which is close to the air inlet end of the gas detector, is fixedly connected with a first sealing gasket, and the first sealing gasket is in fit with the outer side of the air inlet end of the gas detector.

Compared with the prior art, the utility model has the following beneficial effects:

The pluggable gas sampling tube provided by the utility model is provided with a detachable structure, the butt joint installation between the tube body and the gas detector can be rapidly completed by directly plugging the tube body into the connecting sleeve block through the connecting tube, the connecting tube can be directly pulled out of the connecting sleeve block after the positioning frame is pressed, the disassembly step is rapidly completed, and meanwhile, the pluggable gas sampling tube is also provided with a valve body assembly, so that the detachable structure is convenient for the disassembly and assembly between the valve body assembly and the first collecting tube and the second collecting tube, and the harmful gas in the first collecting tube can be prevented from leaking through the valve body assembly.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 4 is a schematic side view of the movable plate in the present utility model.

In the figure: 1. a gas detector; 2. a primary collection tube; 21. a connecting pipe; 211. a clamping block; 212. a first gasket; 3. a secondary collection tube; 4. a valve body assembly; 41. a mounting shell; 42. a movable plate; 43. a second gasket; 44. a first spring; 411. a mounting block; 412. a first bolt; 413. a third gasket; 414. a plug ring; 421. ventilation holes; 5. a fixed block; 51. a second bolt; 6. a positioning assembly; 601. a connecting sleeve block; 602. a positioning frame; 603. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, the present application provides an embodiment in which: the utility model provides a plug-in gas sampling pipe, includes gas detector 1, and the outside inlet end of gas detector 1 is provided with first collection pipe 2, and the inlet end outside of first collection pipe 2 is provided with second collection pipe 3, and the junction of first collection pipe 2 and second collection pipe 3 is provided with valve body subassembly 4, and the inlet end outside of gas detector 1 is provided with locating component 6, and gas detector 1 adopts prior art can, so this is not repeated.

In the embodiment of the present application, referring to fig. 3, the positioning assembly 6 is composed of a connecting sleeve block 601, a positioning frame 602 and a second spring 603, wherein the connecting sleeve block 601 is fixed at the outer side of the air inlet end of the gas detector 1, the positioning frame 602 is slidably connected to the inner side of the connecting sleeve block 601, and the second spring 603 is disposed at the inner side of the connecting sleeve block 601 and is located at the lower side of the positioning frame 602, so that the positioning frame 602 can slide outwards by itself under the pushing action of the second spring 603 on the positioning frame 602.

Further, the air outlet end of the first collecting tube 2 is fixed with the connecting tube 21, the outer end of the connecting tube 21 is fixed with the clamping block 211, the clamping block 211 is in clamping connection with the positioning frame 602, and the positioning frame 602 can slide outwards and then is in clamping connection with the clamping block 211, so that the first collecting tube 2 is fixedly butted with the air inlet end of the gas detector 1, the positioning frame 602 can be prevented from being clamped with the clamping block 211 after being pressed inwards, and the connecting tube 21 is pulled out from the connecting sleeve block 601 through the first collecting tube 2.

The first gasket 212 is fixed to the outer end of the connecting pipe 21 near the air inlet end of the gas detector 1, and the first gasket 212 is bonded to the outer side of the air inlet end of the gas detector 1, so that the sealing property of the connection between the connecting pipe 21 and the air inlet end of the gas detector 1 can be maintained by the first gasket 212 when the clamping block 211 is clamped and connected to the positioning frame 602.

In another embodiment, referring to fig. 2, the valve body assembly 4 is composed of a mounting shell 41, a movable plate 42, a second sealing pad 43 and a first spring 44, wherein the mounting shell 41 is located between the air outlet end of the second collecting tube 3 and the air inlet end of the first collecting tube 2, the movable plate 42 is located inside the mounting shell 41, one end of the second sealing pad 43 is fixed with the movable plate 42, the other end of the second sealing pad 43 is attached to the inner wall of the mounting shell 41, one end of the first spring 44 is fixed with the inner wall of the mounting shell 41, the other end of the first spring 44 is fixed with the movable plate 42, and the air inlet end of the mounting shell 41 can be plugged by the second sealing pad 43 under the thrust of the first spring 44 to the movable plate 42.

Referring to fig. 2, the number of the mounting shells 41 is two, the two groups of mounting shells 41 form a whole, the outer ends of the two groups of mounting shells 41 are fixed with mounting blocks 411, and the two groups of mounting blocks 411 are connected by first bolts 412, so that the mounting and dismounting of the two groups of mounting shells 41 can be performed by adjusting and rotating the mounting blocks 411.

Meanwhile, the third sealing gasket 413 is fixed on the mounting shell 41, and the third sealing gasket 413 is attached to the other group of mounting shells 41, so that after the two groups of mounting shells 41 are assembled and fixed through the first bolts 412 in the mounting blocks 411, the third sealing gasket 413 is used for preventing the gas inside the valve body assembly 4 from leaking.

Referring to fig. 2 and 4, the movable plate 42 has a plurality of air holes 421 formed therein, so that the second sealing pad 43 is not attached to the inner wall of the mounting case 41 under the pushing action of the sucked air flow to the movable plate 42, and the air flow can enter the first collecting tube 2 after passing through the air holes 421.

In the embodiment of the application, the outer sides of the air inlet end and the air outlet end of the mounting shell 41 are fixedly provided with the plugging rings 414, the outer ends, close to the valve body assembly 4, of the first collecting tube 2 and the second collecting tube 3 are fixedly provided with the fixing blocks 5, the fixing blocks 5 are connected with the plugging rings 414 through the second bolts 51, the rotation of the second bolts 51 can be regulated, the first collecting tube 2 and the second collecting tube 3 inserted into the plugging rings 414 are fixed, if the first collecting tube 2 and the second collecting tube 3 are required to be separated from the valve body assembly 4, and the second bolts 51 are reversely separated from the connection with the plugging rings 414, then the first collecting tube 2 and the second collecting tube 3 can be separated from the valve body assembly 4.

Working principle: when the gas detector 1 is started to sample gas, the external gas enters the valve body assembly 4, the second sealing pad 43 is not attached to the inside of the mounting shell 41 any more by pushing the movable plate 42 by the air flow, and the air flow passes through the air holes 421 and enters the primary collection tube 2.

When the first collecting tube 2 is required to be separated from the gas detector 1, the positioning frame 602 is pressed inwards, and at the moment, the positioning frame 602 does not clamp the clamping blocks 211 any more, so that the first collecting tube 2 can be pulled out from the positioning assembly 6 for disassembly.

In order to avoid excessive impurities accumulated in the valve body assembly 4, the interior of the valve body assembly 4 needs to be cleaned periodically, and the first bolts 412 can be rotated out from the mounting blocks 411 to separate the mounting shells 41 into two groups, so that the interior of the mounting shells 41 can be cleaned.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plug-in gas sampling pipe, includes gas detector (1), its characterized in that still includes:

A primary collection tube (2) which is mounted on the outside air inlet end of the gas detector (1);

a second collection tube (3) which is positioned outside the air inlet end of the first collection tube (2);

The valve body assembly (4) is arranged at the joint of the first collecting pipe (2) and the second collecting pipe (3) so as to facilitate the butt joint of the first collecting pipe (2) and the second collecting pipe (3) through the valve body assembly (4);

And the positioning assembly (6) is arranged outside the air inlet end of the gas detector (1) and is used for butting the first collecting pipe (2) with the gas detector (1).

2. The pluggable gas sampling tube according to claim 1, wherein the valve body assembly (4) further comprises a mounting shell (41), a movable plate (42), a second gasket (43) and a first spring (44);

A mounting shell (41) located between the outlet end of the second collection tube (3) and the inlet end of the first collection tube (2);

a movable plate (42) located inside the mounting case (41);

One end of the second sealing gasket (43) is fixedly connected with the movable plate (42), and the other end of the second sealing gasket (43) is in fit arrangement with the inner wall of the mounting shell (41);

And one end of the first spring (44) is fixedly connected with the inner wall of the mounting shell (41), and the other end of the first spring (44) is fixedly connected with the movable plate (42).

3. The pluggable gas sampling tube according to claim 2, wherein the number of the mounting shells (41) is two, the outer ends of the two groups of the mounting shells (41) are fixedly connected with mounting blocks (411), and the two groups of the mounting blocks (411) are connected by adopting first bolts (412);

And a third sealing gasket (413) is fixedly connected to the mounting shell (41) of one group, and the third sealing gasket (413) is in fit with the mounting shell (41) of the other group.

4. The pluggable gas sampling tube according to claim 2, wherein the outer sides of the inlet and outlet ends of the mounting shell (41) are fixedly connected with plugging rings (414);

The outer ends, close to the valve body assembly (4), of the first collecting pipe (2) and the second collecting pipe (3) are fixedly connected with a fixed block (5), and the fixed block (5) is connected with the plug-in ring (414) through a second bolt (51).

5. The pluggable gas sampling tube as recited in claim 2, wherein the movable plate (42) has a plurality of air holes (421) formed therein in a ring shape for facilitating the passage of air flow.

6. The pluggable gas sampling tube according to claim 1, wherein the positioning assembly (6) further comprises an adapter sleeve block (601), a positioning rack (602) and a second spring (603);

The connecting sleeve block (601) is fixedly connected to the outer side of the air inlet end of the gas detector (1);

the locating rack (602) is connected to the inner side of the connecting sleeve block (601) in a sliding way;

A second spring (603) is arranged on the inner side of the joint sleeve block (601) and is positioned on the lower side of the positioning frame (602).

7. The pluggable gas sampling tube according to claim 1, wherein the gas outlet end of the first collecting tube (2) is fixedly connected with a connecting tube (21), the outer end of the connecting tube (21) is fixedly connected with a clamping block (211), and the clamping block (211) is in clamping connection with a positioning frame (602);

One side of the outer end of the connecting pipe (21) close to the air inlet end of the gas detector (1) is fixedly connected with a first sealing gasket (212), and the first sealing gasket (212) is attached to the outer side of the air inlet end of the gas detector (1).