Geochemical exploration gas collecting device
By designing a gas collection device including a box, a gas collector, a drive member, a gas transmission assembly and two gas storage tanks, the problem of poor storage capacity of multiple surveyed gases in the prior art is solved, and efficient collection and storage of different types of gases are achieved.
Patent Information
- Application Number
- CN202510198330.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-22
- Publication Date
- 2025-05-30
AI Technical Summary
The existing geochemical exploration gas collection device has poor storage capacity for multiple survey gases, making it difficult to effectively collect and store different types of gases.
A gas collection device including a box, an air collector, a drive member, a gas transmission assembly and two gas storage tanks is designed. The gas collector movement is driven by the drive member, gas is introduced into the gas supply assembly, and gas is stored in two independent gas storage tanks through an annular magnet and a connection member, so as to achieve the collection and storage of different types of gases.
The storage capacity of the gas collection device for different types of gases is improved, effective collection and separation of multiple gases is achieved, and the collection efficiency and purity of the exploration gases are enhanced.
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Figure CN120062523A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of gas collection equipment, and particularly to a gas collection device for geochemical exploration. Background Art
[0002] Geochemical exploration gas refers to a geochemical method of studying the composition, content, and distribution law of gases in media such as the earth's atmosphere, soil, water body, and organisms to search for mineral resources and solve geological problems.
[0003] Currently, the existing gas collection devices for geochemical exploration have a relatively single gas collection. A single tank can only collect a single gas and has a poor storage capacity for multiple surveyed gases. Summary of the Invention
[0004] In order to improve the storage capacity of the exploration gas collection device for different kinds of gases, the present application provides a gas collection device for geochemical exploration.
[0005] A gas collection device for geochemical exploration provided by the present application adopts the following technical solutions: A gas collection device for geochemical exploration includes: A box body; A gas collection member, which is installed in the inner cavity of the box body and is used for collecting exploration gas; A driving member, which is installed in the box body, is connected to the gas collection member, and is used for driving the gas collection member to work; A gas transmission assembly, which is installed on the inner wall of the box body and is connected to the gas collection member; Two gas storage tanks, which are uniformly arranged on the inner wall of the bottom of the box body, are both connected to the gas transmission assembly, and an exhaust valve is communicated with each of the two gas storage tanks, and the exhaust valve is communicated with the outside of the box body; A pushing member, which is installed in the box body, is connected to the gas transmission assembly, and is communicated with the gas storage tank; Wherein, the gas transmission assembly includes: A fixing plate, which is installed on the inner wall of the box body, and a chute is penetrated and opened on the inner wall of the fixing plate; A slider, which is slidably connected in the chute and is connected to the pushing member; A first air pipe, which penetrates and is fixedly connected to the slider, and the first air pipe is communicated with the gas collection member; A second air pipe, which is coaxially sleeved and slidably connected to the outer wall of the first air pipe; A spring, the spring is sleeved on the first air pipe, one end of the spring is fixedly connected to the slider, and the other end of the spring is fixedly connected to the second air pipe; An annular magnet, the annular magnet is coaxially and fixedly connected to the second air pipe; Two connecting pieces, the two connecting pieces are installed on the two gas storage tanks.
[0006] By adopting the above technical solution, the movement of the driving member drives the movement of the gas collecting member. The movement of the gas collecting member adds gas into the first air pipe. The gas in the first air pipe enters the second air pipe. The annular magnet fits with one of the connecting pieces. The gas enters one of the gas storage tanks through the connecting piece. After the gas storage tank is filled, it drives the pushing member to move. The pushing member pushes the slider to move. After the slider leaves the connecting piece, the spring drives the second air pipe to contract towards the slider. The movement of the slider drives the movement of the annular iron block. The annular magnet moves directly above the other connecting piece and is connected to it. The other gas storage tank can collect another kind of gas. The two gas storage tanks can collect different exploration gases, improving the storage capacity of the exploration gas collecting device for different kinds of gases.
[0007] Optionally, the two connecting pieces both include: An air inlet pipe, the air inlet pipe is communicated with the gas storage tank; An iron block, the iron block is sleeved and fixedly connected to the air inlet pipe; A first one-way valve, the first one-way valve is fixedly connected to the air inlet pipe.
[0008] By adopting the above technical solution, the annular magnet fits with the iron block, enabling the exploration gas to enter the gas storage tank through the air inlet pipe. The first one-way valve prevents the exploration gas from flowing out of the gas storage tank, facilitating the collection of gas.
[0009] Optionally, the driving member includes: A reciprocating lead screw, the reciprocating lead screw is inserted through and rotatably connected to the side wall of the box body, and the reciprocating lead screw is connected to the gas collecting member; A rotating handle, the rotating handle is coaxially and fixedly connected to the end of the reciprocating lead screw away from the box body; A pushing plate, the pushing plate is coaxially sleeved and fixedly connected to the reciprocating lead screw, the pushing plate is slidably connected to the inner wall of the box body, and the pushing plate is connected to the gas collecting member.
[0010] By adopting the above technical solution, the rotation of the rotating handle drives the movement of the reciprocating lead screw. The movement of the reciprocating lead screw drives the movement of the pushing plate. The movement of the pushing plate drives the movement of the gas collecting member. The pushing plate provides driving force for the gas collecting member, increasing the mechanical linkage of the exploration gas collecting device. The gas is collected manually, saving energy.
[0011] Optionally, the gas collecting member includes: A support plate fixedly connected to the inner wall of the box body, and the end of the reciprocating lead screw away from the rotating handle is rotatably connected to the support plate; A gas collecting telescopic rod, the fixed end of the gas collecting telescopic rod is fixedly connected to the inner wall of the box body, the movable end of the gas collecting telescopic rod is fixedly connected to the pushing plate, and the axis of the gas collecting telescopic rod is parallel to the axis of the reciprocating lead screw; A second one-way valve disposed in the box body, one end of the second one-way valve is communicated with the fixed end of the gas collecting telescopic rod, and the other end of the second one-way valve penetrates through the inner wall of the box body and is communicated with the outside of the box body; A third one-way valve disposed in the box body, one end of the third one-way valve is communicated with the fixed end of the gas collecting telescopic rod; A corrugated pipe, one end of the corrugated pipe is communicated with the end of the third one-way valve away from the gas collecting telescopic rod, and the other end of the corrugated pipe is connected to the end of the first air pipe away from the second air pipe.
[0012] By adopting the above technical solution, the movement of the pushing plate drives the gas collecting telescopic rod to extend, sucking the exploration gas into the rodless cavity from the outside through the second one-way valve. The movement of the pushing plate drives the gas collecting telescopic rod to contract, so that the exploration gas is discharged from the third one-way valve into the corrugated pipe, thereby collecting the exploration gas and improving the collection efficiency of the exploration gas.
[0013] Optionally, the pushing member includes: A pushing telescopic rod, the fixed end of the pushing telescopic rod is fixedly connected to the fixing plate, and the movable end of the pushing telescopic rod is fixedly connected to the slider; Two overflow valves are disposed in the box body. One end of each of the two overflow valves is communicated with one of the two gas storage tanks respectively, and the other end of each of the two overflow valves is communicated with the pushing telescopic rod.
[0014] By adopting the above technical solution, when the exploration gas fills the gas storage tank, the gas in the gas storage tank enters the pushing telescopic rod through the overflow valve, and the movement of the pushing telescopic rod drives the movement of the slider, thereby completing the switching of the gas storage tank and improving the storage capacity of the exploration gas collecting device for different kinds of gases.
[0015] Optionally, exhaust plates are disposed in both of the two gas storage tanks. The exhaust plates are coaxially arranged and slidably connected in the gas storage tanks. Vent valves are communicated with both of the two gas storage tanks, and the vent valves are communicated with the outside of the box body.
[0016] By adopting the above technical solution, gas enters the gas storage tank through the ventilation valve. The gas drives the exhaust plate to slide towards the top of the gas storage tank, so that the air between the intake pipe and the exhaust plate is discharged through the exhaust valve, improving the purity of the exploration gas collected when collecting the exploration gas.
[0017] Optionally, a rubber gasket is fixedly connected to one end of the annular magnet away from the second air pipe.
[0018] By adopting the above technical solution, the rubber gasket increases the seal between the annular magnet and the iron block, improving the collection ability of the exploration gas.
[0019] Optionally, the other end of the corrugated pipe away from the third one-way valve is communicated with a filter, and the other end of the filter is communicated with the first air pipe.
[0020] By adopting the above technical solution, the filter filters the collected gas, improving the quality of the exploration gas collected.
[0021] In summary, the present application includes at least one of the following beneficial technical effects: 1. The movement of the driving member drives the movement of the gas collecting member. The movement of the gas collecting member flushes the gas into the first air pipe. The gas in the first air pipe enters the second air pipe. The annular magnet fits with one of the connecting members. The gas enters one of the gas storage tanks through the connecting member. When the gas storage tank is full, it drives the pushing member. The pushing member pushes the slider to move. After the slider leaves the connecting member, the spring drives the second air pipe to contract towards the slider. The movement of the slider drives the movement of the annular iron block. The annular magnet moves directly above the other connecting member and connects with it. The other gas storage tank can collect another kind of gas. Different exploration gases can be collected in the two gas storage tanks, improving the storage capacity of the exploration gas collecting device for different kinds of gases; 2. The movement of the pushing plate drives the extension of the gas collecting telescopic rod, sucking the exploration gas from the outside into the rodless cavity through the second one-way valve. The movement of the pushing plate drives the contraction of the gas collecting telescopic rod, so that the exploration gas is discharged from the third one-way valve and enters the corrugated pipe, thereby collecting the exploration gas and improving the collection efficiency of the exploration gas; 3. When the exploration gas fills the gas storage tank, the gas in the gas storage tank enters the pushing telescopic rod through the overflow valve. The movement of the pushing telescopic rod drives the movement of the slider, thus completing the switching of the gas storage tank and improving the storage capacity of the exploration gas collecting device for different kinds of gases. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 is a cross-sectional view of an embodiment of the present application; Figure 2 is a cross-sectional view of an embodiment of the present application for showing the internal structure of the gas storage box.
[0023] Description of the reference numerals: 1. Box body; 2. Driving member; 21. Rotating handle; 22. Reciprocating lead screw; 23. Pushing plate; 3. Gas transmission assembly; 31. Fixed plate; 32. Slide block; 33. First air pipe; 34. Second air pipe; 35. Spring; 36. Ring magnet; 37. Rubber gasket; 38. Connector; 381. Air inlet pipe; 382. Iron block; 383. First one-way valve; 4. Gas collecting member; 41. Gas collecting telescopic rod; 42. Support plate; 43. Second one-way valve; 44. Third one-way valve; 45. Bellows; 46. Filter; 5. Gas storage tank; 51. Exhaust valve; 6. Pushing member; 61. Overflow valve; 62. Pushing telescopic rod; 7. Exhaust plate; 8. Vent valve. Detailed implementation manners
[0024] The following will further elaborate on this application Figure 1-2 in detail with reference to the appended drawings.
[0025] An embodiment of this application discloses a gas collection device for geochemical exploration.
[0026] Referring to Figure 1 and Figure 2 , the gas collection device for geochemical exploration includes a box body 1. A driving member 2 is installed on the inner wall of the box body 1. The driving member 2 is connected to a gas collecting member 4. The gas collecting member 4 is installed on the inner wall of the box body 1. The gas collecting member 4 is connected to a gas transmission assembly 3. The gas transmission assembly 3 is installed on the inner wall of the box body 1. Two gas storage tanks 5 are symmetrically arranged and fixedly connected to the bottom wall of the box body 1. The two gas storage tanks 5 are connected to the gas transmission assembly 3. A pushing member 6 is connected to each of the two gas storage tanks 5. The pushing member 6 is connected to the gas transmission assembly 3. The pushing member is installed inside the box body. An exhaust valve 51 is connected to each of the gas storage tanks 5. The exhaust valve 51 is arranged inside the box body 1. The other end of the exhaust valve 51 communicates with the outside of the box body 1.
[0027] Referring to Figure 1 and Figure 2 , the driving member 2 includes a reciprocating lead screw 22. The reciprocating lead screw 22 penetrates through the side wall of the box body 1. One end of the reciprocating lead screw 22 is connected to the gas collecting member 4. The end of the reciprocating lead screw 22 far from the box body 1 is coaxially and rotatably connected to a rotating handle 21. A pushing plate 23 is sleeved and threadedly connected to the reciprocating lead screw 22. The pushing plate 23 is slidably connected to the top inner wall of the box body 1. The pushing plate 23 is connected to the gas collecting member 4; The rotation of the rotating handle 21 drives the reciprocating lead screw 22 to move. The movement of the reciprocating lead screw 22 drives the pushing plate 23 to move. The movement of the pushing plate 23 drives the gas collecting member 4 to move. The pushing plate 23 provides a driving force for the gas collecting member 4, increasing the mechanical linkage of the exploration gas collection device.
[0028] Referring to Figure 1 and Figure 2, the gas collecting member 4 includes a support plate 42. The support plate 42 is fixedly connected to the inner wall of the top of the box body 1. One end of the reciprocating lead screw 22 away from the inner wall of the box body 1 is rotatably connected to the support plate 42. The movable end of the gas collecting telescopic rod 41 is inserted through and slidably connected to the support plate 42. The fixed end of the gas collecting telescopic rod 41 is fixedly connected to the inner side wall of the box body 1. The axis of the gas collecting telescopic rod 41 is collinear with the axis of the reciprocating lead screw 22. The movable end of the gas collecting telescopic rod 41 is fixedly connected to the side wall of the push plate 23. The rodless cavity of the gas collecting telescopic rod 41 is communicated with the intake end of the second one-way valve 43. The outlet end of the second one-way valve 43 is communicated with the outside of the box body 1. The rodless cavity of the gas collecting telescopic rod 41 is communicated with the intake end of the third one-way valve 44. The outlet end of the third one-way valve 44 is communicated with one end of a corrugated pipe 45. The other end of the corrugated pipe 45 is communicated with a filter 46. The other end of the filter 46 is communicated with the gas transmission assembly 3.
[0029] The movement of the push plate 23 drives the gas collecting telescopic rod 41 to extend, sucking the exploration gas from the outside into the rodless cavity of the gas collecting telescopic rod 41 through the second one-way valve 43. The movement of the push plate 23 drives the gas collecting telescopic rod 41 to contract, causing the exploration gas to be discharged from the third one-way valve 44 into the corrugated pipe 45. The gas in the corrugated pipe 45 is filtered by the filter 46 to remove impurities in the gas, and then enters the first air pipe 33, improving the collection ability of the exploration gas.
[0030] Refer to Figure 1 and Figure 2 , the gas transmission assembly 3 includes a fixing plate 31. The side wall of the fixing plate 31 is fixedly connected to the inner wall of the box body 1. A chute is formed through the top wall of the fixing plate 31. The length direction of the chute is parallel to the axis direction of the reciprocating lead screw 22. A slider 32 is slidably connected in the chute. The top wall of the slider 32 is inserted through and fixedly connected with a first air pipe 33. One end of the first air pipe 33 is communicated with the filter 46. The outer wall of the other end of the first air pipe 33 is coaxially sleeved and slidably connected with a second air pipe 34. A spring 35 is sleeved on the first air pipe 33. One end of the spring 35 is fixedly connected to the bottom wall of the slider 32, and the other end of the spring 35 is fixedly connected to the second air pipe 34. The other end of the second air pipe 34 is sleeved and fixedly connected with an annular magnet 36. Connecting members are installed on both gas storage tanks. Both connecting members 38 can be connected to the annular magnet 36. A rubber gasket 37 is fixedly connected to the end of the annular magnet 36 away from the second air pipe.
[0031] Refer to Figure 1 and Figure 2 , both connecting members 38 include an intake pipe 381. The intake pipe 381 is communicated with the gas storage tank 5. A first one-way valve 383 is fixedly connected to the intake pipe 381. An iron block 382 is fixedly connected to the end of the intake pipe 381 away from the gas storage tank 5. The iron block 382 is connected to the annular magnet 36.
[0032] The exploration gas enters the first gas pipe 33. The gas in the first gas pipe 33 enters the second gas pipe 34. The annular magnet 36 is in contact with one of the iron blocks 382. The rubber gasket 37 seals the iron block 382 and the annular magnet 36, improving the gas transmission efficiency. The first one-way valve 383 prevents the gas from flowing out. The slider 32 slides to separate the annular magnet 36 from the iron block 382. The spring 35 drives the second gas pipe 34 to move towards the end close to the slider 32. When the slider 32 moves to another iron block 382, the annular magnet 36 is adsorbed on the iron block 382, and the exploration gas is collected into the gas storage tank 5, enhancing the collection capacity of the exploration gas collection device.
[0033] Referring to Figure 1 and Figure 2 , the pusher 6 includes a push telescopic rod 62. The fixed end of the push telescopic rod 62 is fixedly connected to the inner wall of the box body 1, and the movable end of the push telescopic rod 62 is fixedly connected to the slider 32. The rodless chamber and the rod chamber of the push telescopic rod 62 are both communicated with an overflow valve 61, and the two overflow valves 61 are respectively communicated with the two gas storage tanks 5.
[0034] When one of the gas storage tanks 5 is filled with the surveyed gas, the excess gas enters the push telescopic rod 62 through the overflow valve 61 to drive the push telescopic rod 62 to move. The movement of the push telescopic rod 62 drives the slider 32 to move, increasing the mechanical linkage of the device. The movement of the slider 32 drives the magnet to fit with the iron block 382 on the other gas storage tank 5, collecting another kind of gas into the other gas storage tank 5, realizing the collection and storage of different kinds of gases, improving the storage capacity of the exploration gas collection device for multiple gases, and enhancing the collection capacity of the exploration gas collection device.
[0035] Referring to Figure 1 and Figure 2 , an exhaust plate 7 is arranged in the gas storage tank 5. The exhaust plate 7 is coaxially and slidably connected to the inner wall of the bottom of the gas storage tank 5. The peripheral side wall of the exhaust plate 7 is in close contact with the peripheral side wall of the gas storage tank 5. The bottom side walls of the two gas storage tanks 5 are both communicated with a ventilation valve 8, and the other end of the ventilation valve 8 is communicated with the outside of the box body 1.
[0036] The gas enters the gas storage tank 5 through the exhaust valve 51. The gas drives the exhaust plate 7 to slide towards the top of the gas storage tank 5, discharging the air between the intake pipe 381 and the exhaust plate 7, improving the accuracy of collecting the exploration gas when collecting the exploration gas.
[0037] The implementation principle of a geochemical exploration gas collection device according to an embodiment of the present application is as follows: The movement of the driving member 2 drives the movement of the gas collection member 4. The movement of the gas collection member 4 fills the gas into the gas transmission assembly 3. The gas in the gas transmission assembly 3 can respectively inflate two gas storage tanks 5. After the gas in one of the gas storage tanks 5 is full, it drives the pushing member 6. The movement of the pushing member 6 drives the movement of the gas transmission assembly 3. After the movement of the gas transmission assembly 3, it inflates the other gas storage tank 5. Different exploration gases can be collected in the two gas storage tanks 5, improving the storage capacity of the exploration gas collection device for different gases.
[0038] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.
Claims
1. A geochemical exploration gas collection device, characterized in that: include: Box (1); A gas collecting member (4), the gas collecting member (4) being installed in the inner cavity of the box body (1), and the gas collecting member (4) being used to collect exploration gas; A driving member (2), the driving member (2) being installed in the box body (1), the driving member (2) being connected to the gas collecting member (4), and the driving member (2) being used to drive the gas collecting member (4) to work; A gas delivery component (3), the gas delivery component (3) being mounted on the inner wall of the box body (1), the gas delivery component (3) being connected to the gas collecting component (4); Two gas storage tanks (5), the two gas storage tanks (5) being evenly arranged on the inner wall of the bottom of the box (1), the two gas storage tanks (5) being connected to the gas delivery assembly (3), the two gas storage tanks (5) being connected to an exhaust valve (51), and the exhaust valve (51) being connected to the outside of the box (1); A pushing member (6), the pushing member (6) being mounted on the gas delivery assembly (3), the pushing member (6) being in communication with the gas storage tank (5); Wherein, the gas delivery component (3) comprises: A fixing plate (31), the fixing plate (31) being mounted on the inner wall of the box body (1), and a sliding groove being formed through the fixing plate (31); A sliding block (32), the sliding block (32) being slidably connected in the sliding groove, and the sliding block (32) being connected to the pushing member (6); a first air pipe (33), the first air pipe (33) being passed through and fixedly connected to the slider (32), the first air pipe (33) being in communication with the air delivery assembly (3); a second air pipe (34), the second air pipe (34) being coaxially sleeved and slidably connected to the outer wall of the first air pipe (33); a spring (35), the spring (35) being sleeved on the first air pipe (33), one end of the spring (35) being fixedly connected to the slider (32), and the other end of the spring (35) being fixedly connected to the second air pipe (34); an annular magnet (36), the annular magnet (36) being coaxially and fixedly connected to the second air pipe (34); Two connecting pieces (38), the two connecting pieces (38) being mounted on the two gas storage tanks (5).
2. The geochemical exploration gas collection device according to claim 1, characterized in that: The connecting member (38) comprises: Two air intake pipes (381), the two air intake pipes (381) being respectively connected to the two air storage tanks (5); An iron block (382), the iron block (382) being sleeved on and fixedly connected to the air inlet pipe (381); A first one-way valve (383), wherein the first one-way valve (383) is fixedly connected to the air intake pipe (381).
3. The geochemical exploration gas collection device according to claim 1, characterized in that: The driving member (2) comprises: a reciprocating screw (22), the reciprocating screw (22) being passed through and rotatably connected to a side wall of the box body (1), one end of the reciprocating screw (22) being rotatably connected to an inner wall of the box body (1), and the reciprocating screw (22) being connected to the air collecting member (4); A rotating handle (21), the rotating handle (21) being coaxially and fixedly connected to an end of the reciprocating screw (22) away from the box body (1); A push plate (23), the push plate (23) being coaxially sleeved and fixedly connected to the reciprocating screw (22), the push plate (23) being slidably connected to the inner wall of the box body (1), and the push plate (23) being connected to the gas collecting member (4).
4. The geochemical exploration gas collection device according to claim 3, characterized in that: The gas collecting member (4) comprises: A support plate (42), the support plate (42) being fixedly connected to the inner wall of the box body (1), and one end of the reciprocating screw (22) away from the box body (1) being rotatably connected to the support plate (42); A gas collecting telescopic rod (41), wherein the fixed end of the gas collecting telescopic rod (41) is fixedly connected to the inner wall of the box body (1), the movable end of the gas collecting telescopic rod (41) is fixedly connected to the push plate (23), and the axis of the gas collecting telescopic rod (41) is parallel to the axis of the reciprocating screw (22); a second one-way valve (43), the second one-way valve (43) being arranged in the box body (1), one end of the second one-way valve (43) being in communication with the fixed end of the gas collecting telescopic rod (41), and the other end of the second one-way valve (43) being passed through the inner wall of the box body (1) and in communication with the outside of the box body (1); a third one-way valve (44), one end of the third one-way valve (44) being in communication with the gas collecting telescopic rod (41); A bellows (45), one end of the bellows (45) being in communication with an end of the third one-way valve (44) away from the gas collecting telescopic rod (41), and the other end of the bellows (45) being connected to the first gas pipe (33).
5. The geochemical exploration gas collection device according to claim 1, characterized in that: The pushing member (6) comprises: A pushing telescopic rod (62), wherein a fixed end of the pushing telescopic rod (62) is fixedly connected to the fixed plate (31), and a movable end of the pushing telescopic rod (62) is fixedly connected to the sliding block (32); Two overflow valves (61), the two overflow valves (61) are arranged in the box body (1), one end of the two overflow valves (61) is connected to the two gas storage tanks (5) respectively, and the other end of the two overflow valves (61) is connected to the push telescopic rod (62).
6. The geochemical exploration gas collection device according to claim 1, characterized in that: An exhaust plate (7) is provided in each of the two gas storage tanks (5), and the exhaust plate (7) is coaxially arranged and slidably connected in the gas storage tank (5). A vent valve (8) is connected to each of the two gas storage tanks (5), and the vent valve (8) is connected to the outside of the box body (1).
7. The geochemical exploration gas collection device according to claim 1, characterized in that: One end of the annular magnet (36) away from the second air pipe (34) is fixedly connected to a rubber sealing pad (37).
8. The geochemical exploration gas collection device according to claim 4, characterized in that: The bellows (45) is connected to a filter (46) away from the third one-way valve (44), and the other end of the filter (46) is connected to the first air pipe (33).