Portable mining gas sampling device

Abstract

The utility model provides a portable mining gas sampling device, which relates to the technical field of gas sampling, and comprises a box body partitioned by a partition plate, the box body is internally partitioned into an air pump area and an air bag area, an air pump is mounted in the air pump area, a plurality of flat air bags are placed in the air bag area, and a compression roller capable of extruding the air bags is mounted in the air bag area in a sliding manner. The air pump is communicated with an air inlet of the air bag through a hose; the inflatable and deflated air bag can be conveniently carried and protected, and the shoelace of the air bag can be prevented from being damaged; the air bag can be deflated through convenient extrusion of the compression roller, air in the air bag can be fully discharged, the air bag can be circularly utilized, and resources are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas sampling, especially to a portable mine gas sampling device. BACKGROUND

[0002] In the process of coal seam mining, goaf will appear, and the increasing residual coal in goaf will increase the potential danger of floating coal oxidation and spontaneous combustion, increase the probability of coal seam ignition, and increase the number of mine spontaneous combustion accidents. In addition to causing coal mine fire, goaf spontaneous combustion may also cause secondary accidents such as gas explosion and coal dust explosion, which is no less harmful than gas, roof, and water inrush accidents; Therefore, sampling and analyzing the air in the coal seam is necessary to ensure the safety of the coal seam.

[0003] The common way is to carry a negative pressure pump and a gas sample bag to sample and detect the gas in the coal seam, but the gas sample bag full of gas is inconvenient to carry, and it is not convenient to release the gas after the gas detection is completed, affecting the convenience of use. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of providing a portable mine gas sampling device to solve the problem of inconvenient use of gas bag inflation and deflation.

[0005] Based on the technical problems in the background art, the utility model provides a portable mine gas sampling device, which comprises a box body separated by a partition, the box body is divided into a gas pump area and a gas bag area, a gas pump is installed in the gas pump area, a plurality of flat gas bags are placed in the gas bag area, a compression roller for extruding the gas bag is slidingly installed in the gas bag area, and the gas pump is communicated with the gas inlet of the gas bag through a hose.

[0006] Preferably, the box body is provided with a sliding groove, the guide of the sliding groove is directed from the tail end of the gas bag to the gas inlet end of the gas bag, and the compression roller slides through the sliding groove and can extrude and deflate the gas bag full of gas.

[0007] Preferably, the shaft of the compression roller is provided with a shaft rod, the shaft rod penetrates through the sliding groove and extends to the outside of the box body, and the shaft rod located outside the box body is connected with a first handle.

[0008] Preferably, a vertical rod for limiting the gas bag is arranged in the box body, the two ends of the gas bag are provided with connecting parts with holes, and the holes of the connecting parts at the two ends of the gas bag are sleeved with the vertical rod and locked and limited by nuts.

[0009] Preferably, a second handle for easy taking is arranged on the side of the box body.

[0010] Preferably, the box body is provided with a switch cover communicated with the gas pump area of the box body, and the switch of the gas pump is located at the switch cover.

[0011] Compared with the prior art, the technical scheme that the utility model discloses a portable mine gas sampling device reaches the following technical effects:

[0012] The utility model discloses can conveniently carry and protect the gas bag of filling and discharging, can prevent the shoelace of gas bag from receiving damage, the gas bag in the application can be conveniently extruded and discharged through the compression roller, can fully discharge the gas in the gas bag, can cyclically utilize the gas bag, solve the resources. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the box body three -dimensional structure schematic diagram of the utility model;

[0014] Figure 2 It is the box body front view of the utility model.

[0015] In the drawing: 1, box body;12, air pump area;11, air bag area;3, air pump;2, gas bag;4, compression roller;13, sliding groove;41, shaft;5, first handle;14, vertical rod;22, hole;21, connecting portion;15, nut;16, second handle;17, switch cover. DETAILED DESCRIPTION

[0016] In the utility model, unless another definite provision and limitation, the terms "installation", "link", "connection", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can pass through the indirect connection of intermediate medium, can be the communication or the interaction of two elements of two elements, unless another definite limitation. For ordinary skilled in the art, the concrete meaning of above-mentioned terms in the utility model can be understood according to specific circumstances.

[0017] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, can be the direct contact of the first and second features, or the indirect contact of the first and second features through intermediate medium. Moreover, the first feature can be directly above or obliquely above the second feature, or just indicate that the horizontal height of the first feature is higher than the second feature. The first feature can be directly below or obliquely below the second feature, or just indicate that the horizontal height of the first feature is less than the second feature.

[0018] EMBODIMENT

[0019] Please refer to Figures 1-2The utility model provides a portable mine gas sampling device, including the box 1 separated through the baffle, the box 1 is separated into gas pump area 12 and gasbag area 11, gas pump area 12 is equipped with gas pump 3, gasbag area 11 places multiple flat gasbag 2, gasbag area 11 slidingly installed has the compression roller 4 of gasbag 2's extrusion, gas pump 3 is connected with the air inlet of gasbag 2 through the hose, in this scheme, the air inlet of gasbag 2 needs to connect the air cock, its air cock can carry out switch control, the air inlet of gasbag 2 can carry out the effect of inflation and deflation, the gas pump 3 of the application can deliver the gas in the environment to gasbag 2 through the hose, then seals through the air cock, the compression roller 4 does not have extrusion effect to gasbag 2 at this time, when needing to release the gas in gasbag 2, need to open the air cock of all gasbag 2, through the sliding compression roller 4 to extrude gasbag 2, let the gas in gasbag 2 be completely squeezed out, let gasbag 2 be in flat state, facilitate the reuse next time, the gasbag 2 of the application can also receive the protection effect in the box 1 after inflation, avoid that gasbag 2 is damaged accidentally.

[0020] In specific embodiments, reference is made to Figure 1 、 Figure 2 , the box 1 is provided with a sliding groove 13, the guide of the sliding groove 13 is directed from the tail end of the gasbag 2 to the air inlet end of the gasbag 2, and the compression roller 4 slides through the sliding groove 13 and can extrude the gasbag 2 filled with gas to deflate; the sliding groove 13 in the present scheme can provide a guide rail effect for the compression roller 4, and can limit the sliding direction position of the compression roller 4. The compression roller 4 in the present application can slide to the connecting portion 21 of the gasbag 2, and can completely extrude the gas in the gasbag 2. After the gasbag 2 is deflated, it is a thin piece, so the gap between the compression roller 4 and the box 1 is small. The compression roller 4 needs to be extruded from the tail end of the gasbag 2 to the air inlet of the gasbag 2 for extrusion and deflation. When inflating, the compression roller 4 needs to be slid to the tail end of the gasbag 2.

[0021] In specific embodiments, reference is made to Figure 1 、 Figure 2 , the compression roller 4 is provided with a shaft 41, the shaft 41 passes through the sliding groove 13 and extends to the outside of the box 1, and the shaft 41 located outside the box 1 is connected with a first handle 5; the box 1 in the present application is usually in a closed state, so when controlling the sliding of the compression roller 4, it needs to be done outside the box 1. By extending the shaft 41 of the compression roller 4 to the outside of the box 1, the sliding of the compression roller 4 can be controlled by grabbing the shaft 41. The end of the shaft 41 outside the box 1 can be easily held by personnel, and the compression roller 4 can be easily controlled.

[0022] In specific embodiments, reference is made to Figure 1 、 Figure 2The box 1 is internally provided with a vertical rod 14 limiting the air bag 2, the air bag 2 is provided with a connecting part 21 with a hole 22 at both ends, the hole 22 of the connecting part 21 at both ends of the air bag 2 is sleeved into the vertical rod 14 and locked by a nut 15; in the scheme, the inflation and deflation of the air bag 2 has the states of expansion and collapse, which may affect the position of the air bag 2 in the air bag area 11, after the connecting part 21 is sleeved into the vertical rod 14, the displacement of the air bag 2 can be limited, the connecting part 21 can be prevented from being separated from the vertical rod 14 by bolt fixation, and the double limiting effect is achieved.

[0023] In specific embodiments, referring to Figure 1 、 Figure 2 The box 1 is provided with a second handle 16 on the side for convenient taking; the second handle 16 of the scheme is used for conveniently taking the box 1.

[0024] In specific embodiments, referring to Figure 2 The box 1 is provided with a switch cover 17 communicating with the air pump area 12 of the box 1, and the switch of the air pump 3 is located at the switch cover 17; in the scheme, the air pump 3 is in the box 1, and the box 1 is in a closed state, therefore, the air pump 3 needs to be started outside the box 1, and the air pump 3 in the box 1 can be conveniently started by opening the switch cover 17 on the box 1.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A portable mine gas sampling device, characterized in that, The utility model provides a box (1) is divided by partition, the box (1) is divided into air pump area (12) and air bag area (11) in, air pump area (12) is equipped with air pump (3), air bag area (11) places a plurality of flat air bag (2), air bag area (11) is slidably installed and can extrude air bag (2) pressure roller (4), air pump (3) can communicate with the air inlet of air bag (2) through the hose.

2. The portable mine gas sampling device of claim 1, wherein, The box (1) is provided with a sliding groove (13), the guide of the sliding groove (13) is from the tail end of the air bag (2) to the air inlet end of the air bag (2), the pressure roller (4) slides through the sliding groove (13) and can extrude the air bag (2) full of gas and exhaust.

3. The portable mine gas sampling device of claim 2, wherein, The shaft center of the pressure roller (4) is provided with a shaft rod (41), the shaft rod (41) passes through the sliding groove (13) and extends to the outside of the box (1), the shaft rod (41) located outside the box (1) is connected with the first handle (5).

4. The portable mine gas sampling device of claim 1, wherein, The box (1) is provided with a vertical rod (14) limiting the air bag (2), the air bag (2) is provided with a connecting part (21) with a hole (22) at both ends, the hole (22) of the connecting part (21) at both ends of the air bag (2) is sleeved with the vertical rod (14) and is locked and limited by the nut (15).

5. The portable mine gas sampling device of claim 1, wherein, The side of the box (1) is provided with a second handle (16) for easy taking.

6. The portable mine gas sampling device of claim 1, wherein, The box (1) is provided with a switch cover (17) communicating with the air pump area (12) of the box (1), and the switch of the air pump (3) is located at the switch cover (17).

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