Gas collecting device

Abstract

The utility model discloses a gas collecting device which comprises a gas collecting cylinder, one side of the gas collecting cylinder is connected with a push rod in a sliding mode, one side, away from the push rod, of the gas collecting cylinder is fixedly connected with a gas inlet, the gas inlet is of a trumpet-shaped structure design, an inserting groove is formed in the inner wall of the gas inlet, and a plate-shaped drying agent is inserted into the gas inlet. A filter cover is in threaded connection with the side, away from the gas collection cylinder, of the gas inlet, a first filter screen is fixedly connected to the interior of the filter cover, a supporting frame is fixedly connected to the bottom of the gas collection cylinder, a holding handle is fixedly connected to one side of the supporting frame, and an extraction opening is fixedly connected to the top of the gas collection cylinder; compared with an existing gas collection device, the gas collection device has the advantages that leakage or pollution caused by sealing or inspection after gas collection can be avoided through the design, moisture in the gas can be effectively intercepted and filtered, and the gas collection device is convenient to carry and use.

Description

Technical Field

[0001] The utility model relates to the technical field of gas collection, in particular to a gas collection device. Background Art

[0002] Gas is invisible, flowing and difficult to capture. Traditional gas collection usually uses balloons.

[0003] After the balloon collects the gas, it is usually sealed with a water stop clamp. This can easily cause leakage or contamination when the balloon is sealed or when it is opened for inspection. In particular, some flammable gases may even explode when encountering static electricity, causing harm to the staff collecting the gas.

[0004] Therefore, it is particularly important to design a gas collection device to solve the above-mentioned defects. Utility Model Content

[0005] 1) Technical problems to be solved by the utility model

[0006] In view of the deficiencies of the prior art, the utility model designs a gas collection device, which aims to solve the technical problem that leakage or contamination is easily caused during sealing or inspection after gas collection under the prior art.

[0007] 2) Technical solution

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] The venting device of claim 1, wherein the venting device has an inlet and an outlet connected to the air filter, the outlet having a plug-in connection therein and the outlet having a plug-in connection therein.

[0010] As a preferred solution of the utility model, a pull ring is fixedly connected to a side of the push rod away from the gas collection cylinder.

[0011] As a preferred solution of the utility model, a second filter screen is fixedly connected to a side of the air inlet away from the filter cover, and a second air control valve is installed on one side of the second filter screen and inside the air collection cylinder.

[0012] As a preferred solution of the utility model, the plate-shaped desiccant is designed as a funnel-shaped structure, and a plug-in strip is fixedly connected to the outer side of the plate-shaped desiccant and at a position corresponding to the plug-in slot, and the plate-shaped desiccant is plug-connected to the plug-in slot via the plug-in strip.

[0013] As a preferred solution of the utility model, a finger hole is opened inside the gripping handle, and a rubber anti-slip pad is fixedly connected to the bottom of the supporting frame.

[0014] As a preferred solution of the utility model, a card block is fixedly connected to the outer side of the sealing cover and at a position corresponding to the embedded card slot. The sealing cover is plug-connected to the embedded card slot via the card block. A second thread is provided on the inner wall of the sealing cover, and a sealing film is provided on one side of the sealing cover.

[0015] As a preferred solution of the utility model, the extraction syringe is fixedly connected with a plug-in ring at a position corresponding to the annular groove, the extraction syringe is plug-connected to the annular groove through the plug-in ring, a thread three is provided on the outside of the extraction syringe and at a position corresponding to the thread one, the extraction syringe is threadedly connected to the thread one through the thread three, a thread four is provided on the bottom side of the extraction syringe and at a position corresponding to the thread two, and the extraction syringe is threadedly connected to the sealing cover through the thread four and the thread two.

[0016] 3) Beneficial effects

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] First, the extraction syringe extracts the gas collected in the gas collection cylinder, moves upward to the sealing cover, and uses the fourth and second threads to connect with the sealing cover thread for quick sealing. When the gas in the extraction syringe needs to be taken, the extraction device is used to pierce the sealing film for extraction to avoid leakage or contamination during sealing or inspection after gas collection;

[0019] Secondly, when the air inlet collects gas, the plate desiccant filters out the moisture contained in the gas to avoid affecting the later detection results. The plate desiccant is installed inside the air inlet through the plug-in strip and the plug-in slot, which is convenient for the later disassembly and replacement of the plate desiccant;

[0020] Finally, the support frame provides support for the gas cylinder as a whole, making it easy to place the gas cylinder. The grip handle uses finger holes to facilitate workers to hold the gas cylinder for gas collection, thereby improving ease of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the gas collection device;

[0022] Figure 2 Schematic diagram of the partial structure of the gas collection device Figure 1 ;

[0023] Figure 3 Schematic diagram of the partial structure of the gas collection device Figure 2 ;

[0024] Figure 4 It is a schematic diagram of the internal structure of the gas collection device;

[0025] Figure 5 It is a schematic diagram of the back structure of the plate-shaped desiccant;

[0026] Figure 6 It is a schematic diagram of the bottom structure of the sealing cover;

[0027] Figure 7 It is a schematic diagram of the extraction syringe structure;

[0028] Figure 8 for Figure 4 Schematic diagram of the enlarged structure of area A in the middle.

[0029] In the figure: 1. gas collection cylinder; 101. push rod; 1011. pull ring; 102. air inlet; 1021. plug-in slot; 1022. filter screen 2; 1023. air control valve 2; 103. plate desiccant; 1031. plug-in strip; 104. filter cover; 1041. filter screen 1; 2. support frame; 201. gripping handle; 2011. finger hole; 202. rubber anti-skid pad; 3. air extraction port; 301. air control valve 1; 302. annular groove; 3021. thread 1; 303. embedded card slot; 304. sealing cover; 3041. card block; 3042. thread 2; 3043. sealing film; 4. extraction syringe; 401. plug-in ring; 402. thread 3; 403. thread 4. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example:

[0032] The utility model provides a gas collection device, which aims to solve the technical problem of leakage or contamination caused by sealing or inspection after gas collection in the prior art;

[0033] See also Figure 1-Figure 8 , the utility model provides a technical solution:

[0034] A gas collection device includes a gas collection tube 1, a push rod 101 is slidably connected to one side of the gas collection tube 1, a pull ring 1011 is fixedly connected to the side of the push rod 101 away from the gas collection tube 1, the pull ring 1011 drives the push rod 101 to empty the air inside the gas collection tube 1 or use the gas collection tube 1 to collect gas, an air inlet 102 is fixedly connected to the side of the gas collection tube 1 away from the push rod 101, the gas collection tube 1 uses the air inlet 102 to collect or exhaust gas, the air inlet 102 is designed as a trumpet-shaped structure, a plug-in groove 1021 is provided on the inner wall of the air inlet 102, a filter screen 1022 is fixedly connected to the side of the air inlet 102 away from the filter cover 104, the filter screen 1022 performs secondary filtration during gas collection, a gas control valve 1023 is installed on one side of the filter screen 1022 and located inside the gas collection tube 1, and the gas control valve 1023 closes or opens the gas collection tube 1.

[0035] Among them, see Figure 2 , Figure 4 and Figure 5 A plate-shaped desiccant 103 is plugged into the inside of the air inlet 102. The plate-shaped desiccant 103 is designed as a funnel-shaped structure. A plug-in strip 1031 is fixedly connected to the outside of the plate-shaped desiccant 103 and the position corresponding to the plug-in slot 1021. The plate-shaped desiccant 103 is plugged and connected to the plug-in slot 1021 through the plug-in strip 1031, and is fitted on the inner wall of the air inlet 102. When collecting gas, the contact area between the gas and the plate-shaped desiccant 103 is expanded, and the moisture contained in the gas is filtered out. A filter cover 104 is threadedly connected to the side of the air inlet 102 away from the gas collection tube 1. The filter cover 104 is threadedly connected to the air inlet 102, which is convenient for opening and disassembling and replacing the plate-shaped desiccant 103 later. A filter screen 1041 is fixedly connected to the inside of the filter cover 104. The filter screen 1041 intercepts solid debris when collecting gas.

[0036] For further information, see Figure 1 , Figure 2 , Figure 3 and Figure 4 A support frame 2 is fixedly connected to the bottom of the gas cylinder 1. The support frame 2 provides support for the gas cylinder 1 as a whole, which is convenient for placing the gas cylinder 1. A gripping handle 201 is fixedly connected to one side of the support frame 2. A finger hole 2011 is opened inside the gripping handle 201. The gripping handle 201 uses the finger hole 2011 to facilitate the staff to hold the gas cylinder 1 for gas collection, thereby improving the convenience of use. A rubber anti-skid pad 202 is fixedly connected to the bottom of the support frame 2, which enhances the stability of placement.

[0037] For further information, see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 8 The top of the gas sampling tube 1 is fixedly connected with a gas extraction port 3, and a gas control valve 301 is installed at the connection between the gas extraction port 3 and the gas sampling tube 1. The gas control valve 301 opens or closes the gas extraction port 3. An annular groove 302 is provided inside the gas extraction port 3, and a thread 3021 is provided on the inner wall of the gas extraction port 3. An embedded card groove 303 is provided on one side of the gas extraction port 3. A sealing cover 304 is inserted inside the embedded card groove 303. A card block 30 is fixedly connected to the outer side of the sealing cover 304 and at a position corresponding to the embedded card groove 303. 41. The sealing cover 304 is fixed in a limited position by plugging the clamping block 3041 with the embedded clamping groove 303 to avoid the sealing cover 304 from rotating and being inconvenient to fix when the extraction syringe 4 is threadedly connected to the sealing cover 304. The inner wall of the sealing cover 304 is provided with a thread 2 3042, and one side of the sealing cover 304 is provided with a sealing film 3043. When the gas in the extraction syringe 4 needs to be taken out, the sealing film 3043 is pierced by the extraction device for extraction to avoid leakage or contamination during inspection after gas collection.

[0038] For further information, see Figure 1 , Figure 2 and Figure 7 The internal thread of the air suction port 3 is connected with an extraction syringe 4, and the extraction syringe 4 extracts and collects the gas collected in the gas collection tube 1 through the air suction port 3. The position of the extraction syringe 4 corresponding to the annular groove 302 is fixedly connected with a plug-in ring 401, and the extraction syringe 4 is plugged into the annular groove 302 through the plug-in ring 401 to improve the fixing stability. A thread three 402 is provided on the outside of the extraction syringe 4 and at a position corresponding to the thread one 3021. The extraction syringe 4 is threadedly connected to the thread one 3021 through the thread three 402 and fixed to the inside of the air suction port 3. A thread four 403 is provided on the bottom side of the extraction syringe 4 and at a position corresponding to the thread two 3042. The extraction syringe 4 is threadedly connected to the sealing cover 304 through the thread four 403 and the thread two 3042 for quick sealing to avoid leakage when sealing after gas collection.

[0039] In addition, it should be added based on the above embodiments that the plate-shaped desiccant 103 and the air control valve 301 are both existing technologies, and their internal working principles and operating procedures will not be described in detail here.

[0040] The working process of the utility model is as follows: first, turn the air control valve 1 301 to close the air extraction port 3, and after the internal air is exhausted from the syringe 4, the thread 3 402 is threadedly connected with the thread 1 3021 and fixed inside the air extraction port 3. The sealing cover 304 is plugged and connected with the embedded card groove 303 through the clamping block 3041 to limit and fix. The syringe 4 is plugged and connected with the annular groove 302 through the plug-in ring 401 to improve the fixing stability. The air control valve 2 1023 opens the gas collection cylinder 1. The pull ring 1011 drives the push rod 101 to discharge the air inside the gas collection tube 1, and the gas control valve 1023 seals the gas collection tube 1. The plate-shaped desiccant 103 is plugged and connected with the plug slot 1021 through the plug strip 1031, and is installed on the inner wall of the air inlet 102. The filter cover 104 is installed and fixed by threading with the air inlet 102. The gripping handle 201 uses the finger hole 2011 to facilitate the staff to hold the gas collection tube 1 for gas collection. The gas control valve 1023 closes the gas collection tube 1. The cylinder 1 is opened, the pull ring 1011 drives the push rod 101 to move, and the gas is drawn into the interior of the gas collection cylinder 1 through the air inlet 102. The filter screen 1041 intercepts solid debris when the gas is collected. The funnel-shaped plate desiccant 103 can expand the contact area between the gas and the plate desiccant 103 when collecting the gas, and filter out the moisture contained in the gas. The filter screen 1022 performs secondary filtration when collecting the gas. After the gas collection is completed, the gas control valve 1023 is used to control the gas collection cylinder 1. To seal, turn the air control valve 301 to open the air extraction port 3, extract the gas from the gas collection tube 1 through the air extraction port 3, seal the air control valve 301 to release the threaded connection between the extraction syringe 4 and the air extraction port 3, move the bottom side of the extraction syringe 4 to the inside of the sealing cover 304, and quickly seal the extraction syringe 4 through the threaded connection between the thread 403 and the thread 2 3042 and the sealing cover 304 to avoid leakage when sealing after gas collection. The entire operation process is simple and convenient. Compared with the existing gas collection device, the utility model can avoid leakage or pollution during sealing or inspection after gas collection through design, effectively intercept and filter the moisture in the gas, and is easy to carry and use.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas collection device, comprising a gas collection cylinder (1), characterized in that: A push rod (101) is slidably connected to one side of the gas collection tube (1), and an air inlet (102) is fixedly connected to the side of the gas collection tube (1) away from the push rod (101). The air inlet (102) is designed as a trumpet-shaped structure, and an insertion groove (1021) is provided on the inner wall of the air inlet (102). A plate-shaped desiccant (103) is inserted into the interior of the air inlet (102). A filter cover (104) is threadedly connected to the side of the air inlet (102) away from the gas collection tube (1), and a filter screen (1041) is fixedly connected to the interior of the filter cover (104). The bottom of the gas collection tube (1) is fixedly connected to A support frame (2) is provided, one side of the support frame (2) is fixedly connected to a gripping handle (201), the top of the gas collection tube (1) is fixedly connected to a gas extraction port (3), a gas control valve (301) is installed at the connection between the gas extraction port (3) and the gas collection tube (1), an annular groove (302) is provided inside the gas extraction port (3), a thread (3021) is provided on the inner wall of the gas extraction port (3), an extraction syringe (4) is connected to the internal thread of the gas extraction port (3), an embedded card slot (303) is provided on one side of the gas extraction port (3), and a sealing cover (304) is inserted into the embedded card slot (303).

2. A gas collection device according to claim 1, characterized in that: A pull ring (1011) is fixedly connected to the side of the push rod (101) away from the gas collection cylinder (1).

3. A gas collection device according to claim 1, characterized in that: A second filter screen (1022) is fixedly connected to the side of the air inlet (102) away from the filter cover (104), and a second air control valve (1023) is installed on one side of the second filter screen (1022) and inside the air collection cylinder (1).

4. A gas collection device according to claim 1, characterized in that: The plate-shaped desiccant (103) is designed as a funnel-shaped structure, and a plug-in strip (1031) is fixedly connected to the outer side of the plate-shaped desiccant (103) and at a position corresponding to the plug-in slot (1021), and the plate-shaped desiccant (103) is plug-connected to the plug-in slot (1021) via the plug-in strip (1031).

5. A gas collection device according to claim 1, characterized in that: A finger hole (2011) is provided inside the gripping handle (201), and a rubber anti-slip pad (202) is fixedly connected to the bottom of the supporting frame (2).

6. A gas collection device according to claim 1, characterized in that: A clamping block (3041) is fixedly connected to the outer side of the sealing cover (304) and at a position corresponding to the embedded card slot (303); the sealing cover (304) is plug-connected to the embedded card slot (303) via the clamping block (3041); a second thread (3042) is provided on the inner wall of the sealing cover (304); and a sealing film (3043) is provided on one side of the sealing cover (304).

7. A gas collection device according to claim 1, characterized in that: The extraction syringe (4) is fixedly connected with a plug-in ring (401) at a position corresponding to the annular groove (302), and the extraction syringe (4) is plug-connected with the annular groove (302) through the plug-in ring (401). A third thread (402) is provided on the outer side of the extraction syringe (4) at a position corresponding to the first thread (3021), and the extraction syringe (4) is threadedly connected with the first thread (3021) through the third thread (402). A fourth thread (403) is provided on the bottom side of the extraction syringe (4) at a position corresponding to the second thread (3042), and the extraction syringe (4) is threadedly connected with the sealing cover (304) through the fourth thread (403) and the second thread (3042).

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