CN115307985A - Gas sampling pipe and sampling equipment comprising same - Google Patents

Abstract

The invention relates to sampling equipment, in particular to a gas sampling pipe and sampling equipment comprising the same. The invention provides a gas sampling pipe capable of sampling and storing gas and sampling equipment comprising the same. The utility model provides a gas sampling pipe and sampling equipment that includes thereof, including brace table, protective frame, shell, lifter and first thread piece etc. brace table upper portion is equipped with protective frame, and the even slidingtype is equipped with four shells that are used for saving the sampling gas on the brace table, and the shell upside all slidingtype is equipped with the lifter, all is equipped with first thread piece in the middle of the lifter. Through with in the air suction shell, then through the storage of extraction mechanism in the barrel to in transporting the sample, it is more convenient, avoid gas to leak, and the quantity of barrel is four, the security of assurance gas storage that can be very big has also improved the success rate of sampling work.

Description

Gas sampling pipe and sampling equipment comprising same

Technical Field

The invention relates to sampling equipment, in particular to a gas sampling pipe and sampling equipment comprising the same.

Background

The gas sampling pipe is a device for collecting and sampling gas, the gas sampling pipe is used for sampling and collecting the gas, and then the gas is conveyed into the inspection mechanism to analyze and process the gas content, so that the gas content is used as the basis for inspecting the air quality.

The utility model discloses a published number is CN213580295U at present, application number is CN202022983791.8 is used for gaseous quality testing sampling equipment, this equipment includes gaseous quality testing sampling device, the outer box of protection, gas production pipe and one-way admission valve intercommunication, first exhaust pipe and first aspiration pump intercommunication, first exhaust pipe and first one-way exhaust valve intercommunication, the second exhaust pipe and the one-way exhaust valve intercommunication of second, the second exhaust pipe and second aspiration pump intercommunication, lower box and last box all bond and have the sponge cushion, the universal wheel is installed to the lower lateral wall of lower box. The invention solves the problems that the existing gas quality detection sampling equipment generally has the problems that air residue in a gas sample storage tank can be mixed in a gas sample when the gas is collected, air can be mixed in an exhaust pipe when the gas sample is discharged, the equipment is not completely protected, and the equipment is inconvenient to move by arranging the gas quality detection sampling device, the protective outer box body, the sponge cushion and the universal wheels. Although the protection that also can mix into air and equipment in the blast pipe is incomplete to above-mentioned patent has been solved to the removal of equipment is also comparatively inconvenient problem, but after gaseous collection sample finishes, all gaseous all stores in a device, if gaseous receives the pollution, then will lead to the failure of gaseous sampling work, and then influences going on of air quality detection work.

In view of the foregoing, there is a need for a gas sampling tube and a sampling device included therein that can hold a gas sample.

Disclosure of Invention

In order to overcome the defect that the existing sampling equipment cannot store the gas in a sample dividing way, the invention has the technical problems that: a gas sampling tube capable of storing gas samples and a sampling device comprising the same are provided.

The technical implementation scheme of the invention is as follows: the utility model provides a gas sampling pipe and sampling equipment that includes thereof, including a supporting bench, the protective frame, and a housing, the lifter, first thread piece, promote the piece, the go-between, extraction mechanism, storage mechanism and top position mechanism, a supporting bench upper portion is equipped with the protective frame, the even slidingtype is equipped with four shells that are used for saving the sampling gas on the supporting bench, the equal slidingtype of shell upside is equipped with the lifter, all be equipped with first thread piece in the middle of the lifter, first thread piece all is located close shell inside, and link to each other with close shell inside screw thread formula, the position that lies in first thread piece below in the middle of the lifter all is equipped with promotes the piece, promote the piece all and link to each other with close shell inside slidingtype, the equal rigid coupling in lifter bottom has the go-between that can make shell inside be in encapsulated situation, the go-between all cooperates with close shell bottom joint, a supporting bench bottom is equipped with the extraction mechanism that is used for extracting gas, be equipped with storage mechanism on the extraction mechanism, be equipped with a position mechanism on the extraction mechanism.

In a preferred embodiment of the present invention, the extracting mechanism comprises a supporting base, a first air pump, a frame, a supporting frame, a rotating disc and a second air pump, wherein the supporting base is fixedly connected to the bottom of the supporting base and is communicated with the supporting base, the base is connected to the lower portion of the supporting base, the first air pump is arranged in the middle of the base, an air inlet pipe of the first air pump is communicated with the base and the supporting base, the frame is arranged in the middle of the base, an air outlet pipe of the first air pump is connected and communicated with the frame, the frame is arranged in the middle of the base, the rotating disc is rotatably arranged on the supporting frame and is rotatably connected with the frame, the second air pump is arranged on the left side of the base, and an air inlet pipe of the second air pump is connected and communicated with the frame.

In a preferred embodiment of the invention, the storage mechanism comprises a cylinder body, a rotating plug, a rotating rod and second thread blocks, four cylinder bodies are uniformly clamped at the top of the rotating disk, the rotating plug is rotatably arranged at the lower part in the cylinder body, the rotating rod is slidably arranged in the cylinder body, the second thread blocks are fixed at the bottom of the rotating rod, the second thread blocks are in threaded connection with the inside of the adjacent cylinder body, and the second thread blocks are in contact with the adjacent rotating plug.

In a preferred embodiment of the present invention, the top positioning mechanism includes a supporting block and a connecting frame, the supporting block is fixedly connected to the upper side of the supporting frame, the connecting frame is fixed to the supporting block, and the rotating rod can be in contact with the connecting frame through rotation.

In a preferred embodiment of the invention, the lifting device further comprises a pushing mechanism, the pushing mechanism comprises lifting blocks, guide rods and springs, the guide rods are arranged on the left side and the right side of the top of each shell in a sliding mode, the lifting blocks are connected between the upper portions of the two guide rods on each shell and rotatably connected with the adjacent lifting rods, the springs are connected between the bottoms of the lifting blocks and the top of the adjacent shell, and the springs are sleeved on the adjacent lifting rods.

In a preferred embodiment of the invention, the device further comprises a rotating mechanism, the rotating mechanism comprises a rotating frame, a handle, a fixed frame, motors and movable discs, the rotating frame is rotatably arranged on the top of the protective frame, the handle is fixedly connected to the front side of the rotating frame in a bilateral symmetry manner, the fixed frame is fixed on the top of the rotating frame, the plurality of motors are uniformly connected onto the fixed frame, the movable discs are connected onto output shafts of the motors, and the movable discs are respectively matched with the adjacent lifting rods in a clamping manner.

In a preferred embodiment of the present invention, the present invention further comprises a rotating mechanism capable of rotating the rotating disc, the rotating mechanism comprises a motor, a first gear and a second gear, the motor is connected to the right side of the base, the first gear is connected to the output shaft of the motor, the second gear is arranged outside the rotating disc, and the second gear is meshed with the toothed part of the first gear.

In a preferred embodiment of the present invention, the connection ring is made of rubber.

Compared with the prior art, the invention has the following advantages: 1. the air is sucked into the shell and then stored in the cylinder body through the suction mechanism, so that the sample is convenient to transport, the air leakage is avoided, and the number of the cylinder bodies is four, so that the safety of gas storage can be greatly ensured, and the success rate of sampling work is also improved;

2. the air in the cylinder and the support seat can be pumped out through the first air pump and the second air pump, so that the cylinder and the sample are prevented from being fused together, and the accuracy is improved;

3. the number of the shells is four, and the air in different directions can be extracted in a region range, so that a better sampling detection effect is achieved;

4. the motor is used as a power source, so that the lifting rod can automatically move downwards, and then gas enters the supporting seat to be conveniently collected into the barrel body without manually pressing down the lifting rod;

5. motor work accessible second gear drives the rolling disc and rotates, and then makes dwang and link contact with barrel locking, need not the manual work and rotates the rolling disc and accomplish, and is more laborsaving.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a partial cross-sectional view of the present invention.

Fig. 5 is a schematic perspective view of the drawing mechanism of the present invention.

Fig. 6 is a first partial cross-sectional view of the extraction mechanism of the present invention.

Fig. 7 is a schematic perspective view of a portion of the extraction mechanism of the present invention.

Fig. 8 is a second partial cross-sectional view of the extraction mechanism of the present invention.

Fig. 9 is a schematic perspective view of the storage mechanism of the present invention.

FIG. 10 is a first partial cross-sectional view of the storage mechanism of the present invention.

FIG. 11 is a second partial cross-sectional view of the storage mechanism of the present invention.

Fig. 12 is a schematic perspective view of the jacking mechanism of the present invention.

Fig. 13 is a schematic perspective view of a part of the jacking mechanism of the present invention.

Fig. 14 is a schematic perspective view of the pushing mechanism of the present invention.

Fig. 15 is a schematic perspective view of a part of the pushing mechanism of the present invention.

Fig. 16 is a schematic perspective view of a rotating mechanism of the present invention.

Fig. 17 is a partial cross-sectional view of a rotary mechanism of the present invention.

Fig. 18 is a schematic perspective view of a part of the rotating mechanism of the present invention.

Fig. 19 is a schematic perspective view of the rotating mechanism of the present invention.

The parts are labeled as follows: 1. support table, 2, protective frame, 3, housing, 4, lifting rod, 5, first thread block, 6, pushing block, 7, connecting ring, 8, drawing mechanism, 81, support seat, 82, base, 83, first air pump, 84, frame body, 85, support frame, 86, rotating disc, 87, second air pump, 9, storage mechanism, 91, cylinder, 92, rotating plug, 93, rotating rod, 94, second thread block, 10, top mechanism, 101, support block, 102, connecting frame, 11, pushing mechanism, 111, lifting block, 112, guide rod, 113, spring, 12, rotating mechanism, 121, rotating frame, 122, handle, 123, fixing frame, 124, motor, 125, movable disc, 13, rotating mechanism, 131, motor, 132, first gear, 133, second gear.

Detailed Description

It is to be noted that, in the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained throughout the description can be transferred in a meaningful manner to identical components having the same reference numerals or the same component names. The positional references selected in the description, such as for example up, down, sideways, etc., also refer to the directly described and illustrated figures and are to be interpreted as meaning to a new position when the position is changed.

Example 1

A gas sampling pipe and sampling equipment comprising the same are shown in figures 1-5 and comprise a supporting table 1, a protective frame 2, a shell 3, a lifting rod 4, a first threaded block 5, a pushing block 6, a connecting ring 7, an extraction mechanism 8, a storage mechanism 9 and a top mechanism 10, wherein the protective frame 2 is welded on the upper portion of the supporting table 1, four shells 3 are uniformly arranged on the supporting table 1 in a sliding mode, the lifting rod 4 capable of pumping gas is uniformly arranged on the upper side of each shell 3 in a sliding mode, the first threaded block 5 is arranged in the middle of each lifting rod 4, the first threaded blocks 5 are all located inside the adjacent shells 3 and are connected with the inner portions of the adjacent shells 3 in a threaded mode, the pushing blocks 6 are arranged in the middle of each lifting rod 4 and are located below the first threaded block 5, the pushing blocks 6 are all connected with the inner portions of the adjacent shells 3 in a sliding mode, the connecting ring 7 is arranged at the bottoms of the lifting rods 4, the connecting ring 7 is made of rubber, the extraction mechanism 8 is arranged at the bottom of the supporting table 1, the extraction mechanism 8, the storage mechanism 9 used for storing gas in a sample in a separating mode, and the top mechanism 8 is arranged on the connecting ring 10.

As shown in fig. 1, 2, 5, 6, 7 and 8, the drawing mechanism 8 includes a support seat 81, a base 82, a first air pump 83, a frame 84, a support frame 85, a rotary disc 86 and a second air pump 87, the support seat 81 is disposed at the bottom of the support table 1, the support seat 81 is communicated with the support table 1, the base 82 is connected to the lower portion of the support seat 81, the first air pump 83 is mounted in the middle of the base 82, an air inlet pipe of the first air pump 83 is communicated with the base 82 and the support seat 81, the frame 84 is connected to the middle of the base 82, an air outlet pipe of the first air pump 83 is connected to and communicated with the frame 84, the frame 84 is disposed in the middle of the base 82, the rotary disc 86 is rotatably disposed on the support frame 85, the rotary disc 86 is rotatably connected to the frame 84, the second air pump 87 is disposed on the left side of the base 82, and an air inlet pipe of the second air pump 87 is connected to and communicated with the frame 84.

As shown in fig. 2, 9, 10 and 11, the storage mechanism 9 includes a cylinder 91, a rotating plug 92, a rotating rod 93 and a second thread block 94, four cylinders 91 for storing gas are evenly clamped at the top of the rotating disk 86, the rotating plug 92 is arranged at the lower part of the cylinder 91 in an equal rotating manner, the rotating rod 93 is arranged in the cylinder 91 in an equal sliding manner, the second thread block 94 is welded at the bottom of the rotating rod 93, the second thread block 94 is connected with the adjacent cylinder 91 in an internal thread manner, and the second thread block 94 is in contact with the adjacent rotating plug 92.

As shown in fig. 2, 12 and 13, the top mechanism 10 includes a supporting block 101 and a connecting frame 102, the supporting block 101 is disposed on the upper side of the supporting frame 85, the connecting frame 102 is fixedly connected to the supporting block 101, and the rotating rod 93 can be in contact with the connecting frame 102 through rotation.

The device is used for collecting gas, can analyze sampled gas to know the degree of pollution of the environment by harmful gas and provide actual pollution conditions for relevant departments in charge to take measures, thereby ensuring that people have a healthy living environment, when gas needs to be collected, the shell 3 can be pulled upwards to be taken out, and then parts on the shell 3 are driven to move along with the shell, before the gas is collected, people can rotate the lifting rod 4 to drive the first thread block 5, the pushing block 6 and the connecting ring 7 to rotate, the first thread block 5 can move downwards to be separated from a card, then people can extrude the lifting rod 4 downwards to drive the first thread block 5, the pushing block 6 and the connecting ring 7 to move downwards, so that the pushing block 6 pushes the gas in the shell 3 outwards, after the gas moves downwards to the limit, people can select a proper environment, then the lifting rod 4 is pulled upwards, the first thread block 5, the pushing block 6 and the connecting ring 7 are driven to move upwards, so that a gap exists between the shell 3 and the lifting rod 4, air can enter the shell 3, the pushing block 6 can suck the air into the shell 3, after the first thread block 5 moves upwards to a certain position, people need to reversely rotate the lifting rod 4 to drive the first thread block 5, the pushing block 6 and the connecting ring 7 to reversely rotate, so that the first thread block 5 moves upwards and is locked by threads, the lifting rod 4 is prevented from moving downwards at will, the connecting ring 7 is clamped with the shell 3 after moving upwards to the limit, the connecting ring 7 is made of rubber, the sealing performance is better, the inner part of the shell 3 can be in a sealing state, so that after the gas sampling is finished, people can put the shell 3 back into the supporting platform 1, then other shells 3 can be used, and air in other directions can be sampled in the area, the later detection is more accurate.

When the gas needs to be separately loaded and transported after sampling is finished, a user can start the first air pump 83 and the second air pump 87 to work, so that the first air pump 83 pumps the air in the supporting table 1, the supporting seat 81 and the base 82 outwards into the frame 84, the second air pump 87 can pump the gas outwards and discharge the gas, meanwhile, the air in the cylinder 91 can also be pumped outwards, after the cylinder 91 is in a negative pressure state, the user can close the first air pump 83 and the second air pump 87, the operation can be repeated, the lifting rod 4 is rotated to release the first thread block 5, then the lifting rod 4 is pressed downwards, so that the gas collected in the shell 3 flows downwards into the supporting seat 81, the user starts the first air pump 83 to pump the collected gas into the frame 84, and because the cylinder 91 is in a negative pressure state, the sampled gas in the frame 84 enters the cylinder 91, after the cylinder 91 is filled with gas, people can close the first air pump 83, then rotate the rotating disc 86 to drive the cylinder 91 to rotate, the components on the cylinder 91 can rotate, when the rotating rod 93 on the cylinder 91 filled with gas rotates to be contacted with the connecting frame 102, the connecting frame 102 can stir the rotating rod 93 to rotate, so that the rotating rod 93 drives the second thread block 94 to rotate, the second thread block 94 can move downwards while rotating, and then the rotating plug 92 is sleeved, no gap exists between the second thread block 94 and the rotating plug 92, the inside of the cylinder 91 is in a sealed state, people can continuously rotate the rotating disc 86 to close the four cylinders 91 one by one, people can directly take out the cylinder 91, the cylinder 91 filled with gas can be sent to a detection department for detection, then the residual gas in the supporting seat 81 can be discharged through the first air pump 83, after discharging, close first air pump 83, when the gas in the barrel 91 needs to be discharged, can overlap dedicated collection container in the barrel 91 lower part earlier, then people's antiport dwang 93, drive second screw block 94 antiport, make second screw block 94 rebound when the reversal, and then no longer entangle and rotate stopper 92, gas in the barrel 91 just can be discharged through the clearance between rotation stopper 92 and the second screw block 94, and then get into in the collection container, so just accomplish gaseous sampling.

Example 2

On the basis of embodiment 1, as shown in fig. 2, 14 and 15, the lifting device further includes a pushing mechanism 11, the pushing mechanism 11 includes a lifting block 111, guide rods 112 and springs 113, the guide rods 112 are slidably disposed on both sides of the top of the housing 3, the lifting block 111 is connected between the upper portions of the two guide rods 112 on each housing 3, the lifting block 111 is rotatably connected with the adjacent lifting rod 4, the springs 113 capable of automatically moving the lifting rod 4 downwards are connected between the bottom of the lifting block 111 and the top of the adjacent housing 3, and the springs 113 are all sleeved on the adjacent lifting rod 4.

As shown in fig. 1, 16, 17 and 18, the device further includes a rotating mechanism 12, the rotating mechanism 12 includes a rotating frame 121, a handle 122, a fixed frame 123, a motor 124 and a movable disc 125, the rotating frame 121 is rotatably disposed on the top of the protection frame 2, the handle 122 is symmetrically connected to the front side of the rotating frame 121, the fixed frame 123 is bolted to the top of the rotating frame 121, four motors 124 are uniformly mounted on the fixed frame 123, the movable disc 125 is connected to the output shaft of each motor 124, and the movable disc 125 is in clamping fit with the adjacent lifting rod 4.

When the sampled gas needs to be put into the cylinder 91, a user can start the motor 124, so that the output shaft of the motor 124 rotates to drive the movable disc 125 to rotate, the movable disc 125 can push the lifting rod 4 to rotate, the lifting rod 4 drives the first thread block 5 to rotate and simultaneously move downwards to release the clamping, the spring 113 is in a stretching state initially, after the first thread block 5 is not clamped, the lifting block 111 can drive the guide rod 112 and the lifting rod 4 to move downwards under the resetting action of the spring 113, further drive the first thread block 5 and the pushing block 6 to move downwards, the pushing block 6 pushes the gas into the supporting seat 81 and further collects the gas in the cylinder 91, the user can close the motor 124, when the user needs to sample the gas by using the shell 3 again, the user can hold the handle 122 by hand to rotate the rotating frame 121 upwards to open, make the rotating frame 121 drive the mount 123, the motor 124 rotates with the activity dish 125 and opens, then people alright take out the shell 3, then go to appointed place, upwards stimulate the lifter 4, drive the elevator 111 and the guide bar 112 rebound, the spring 113 compresses thereupon, the lifter 4 and then drive first screw block 5 and promote the piece 6 rebound, will be inside with outside air suction shell 3, then the rethread rotates lifter 4, lock first screw block 5, make the inside of shell 3 be in encapsulated situation, after the gas sampling finishes, people put back the shell 3 in supporting bench 1, then hold the handle 122, the contra-rotation rotating frame 121 closes, and then drive the mount 123, the motor 124 rotates with the activity dish 125 contra-rotation and closes, the activity dish 125 will be with the lifter 4 joint, so that people collect gas.

As shown in fig. 2 and fig. 19, the device further includes a rotating mechanism 13, the rotating mechanism 13 includes a motor 131, a first gear 132 and a second gear 133, the motor 131 is mounted on the right side of the base 82, the first gear 132 is connected to an output shaft of the motor 131, the second gear 133 is disposed on the outer side of the rotating disc 86, and the second gear 133 is meshed with the toothed portion of the first gear 132.

After the gas is collected into the cylinder 91, the motor 131 can be started, the output shaft of the motor 131 rotates to drive the first gear 132 to rotate, the second gear 133 is driven to rotate, the second gear 133 drives the rotating disc 86 to rotate, the cylinder 91 can be driven to rotate by the rotating disc 86, the rotating disc 93 on the cylinder 91 is contacted with the connecting frame 102 one by one, the second thread block 94 is sleeved on the rotating plug 92, the inside of the cylinder 91 is in a sealed state, after the four cylinders 91 are locked, the motor 131 can be closed by people, and then the cylinder 91 is taken out.

While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (8)

1. A gas sampling pipe and a sampling device comprising the same, which comprises a supporting platform (1), a protective frame (2), a shell (3), a lifting rod (4), a first thread block (5), a pushing block (6) and a connecting ring (7), wherein the protective frame (2) is arranged on the upper part of the supporting platform (1), four shells (3) used for storing sampling gas are uniformly and slidably arranged on the supporting platform (1), the lifting rod (4) is arranged on the upper side of each shell (3) in a sliding manner, the first thread block (5) is arranged in the middle of each lifting rod (4), the first thread blocks (5) are arranged inside the adjacent shells (3) and are connected with the adjacent shells (3) in a threaded manner, the pushing blocks (6) are arranged at positions below the first thread blocks (5) in the middle of the lifting rod (4), the pushing blocks (6) are connected with the adjacent shells (3) in a sliding manner, the bottoms of the lifting rods (4) are fixedly connected with the connecting ring (7) which can enable the interiors of the shells (3) to be in a sealing state, the connecting ring (7) are all matched with the bottoms of the shells (3), and a gas extracting mechanism (8) is arranged at the bottoms of the adjacent shells (9), and a gas extracting mechanism (8) and a gas extracting mechanism (9) and a gas extracting mechanism (8) are arranged on the supporting platform (9), the drawing mechanism (8) is provided with a top position mechanism (10).

2. The gas sampling tube and the sampling device comprising the same as claimed in claim 1, wherein the pumping mechanism (8) comprises a support base (81), a base (82), a first air pump (83), a frame body (84), a support frame (85), a rotating disc (86) and a second air pump (87), the support base (81) is fixedly connected to the bottom of the support base (1), the support base (81) is communicated with the support base (1), the base (82) is connected to the lower portion of the support base (81), the first air pump (83) is arranged in the middle of the base (82), an air inlet pipe of the first air pump (83) is communicated with the base (82) and the support base (81), the frame body (84) is arranged in the middle of the base (82), an air outlet pipe of the first air pump (83) is connected and communicated with the frame body (84), the frame body (84) is arranged in the middle of the base (82), the rotating disc (86) is rotatably arranged on the support frame (85), the rotating disc (86) is rotatably connected with the frame body (84), the second air pump (87) is arranged on the left side of the base (82), and the air inlet pipe of the second air pump (87) is connected and communicated with the frame body (84).

3. The gas sampling tube and the sampling device comprising the same as claimed in claim 2, wherein the storage mechanism (9) comprises a cylinder (91), a rotating plug (92), a rotating rod (93) and a second thread block (94), four cylinders (91) are uniformly clamped at the top of the rotating disc (86), the rotating plug (92) is rotatably arranged at the lower part in the cylinder (91), the rotating rod (93) is slidably arranged in the cylinder (91), the second thread block (94) is fixed at the bottom of the rotating rod (93), the second thread block (94) is in threaded connection with the inside of the adjacent cylinder (91), and the second thread block (94) is in contact with the adjacent rotating plug (92).

4. The gas sampling tube and the sampling device comprising the same as claimed in claim 3, wherein the abutting mechanism (10) comprises a supporting block (101) and a connecting frame (102), the supporting block (101) is fixedly connected to the upper side of the supporting frame (85), the connecting frame (102) is fixed on the supporting block (101), and the rotating rod (93) can be in contact with the connecting frame (102) through rotation.

5. The gas sampling tube and the sampling device comprising the same as claimed in claim 4, characterized by further comprising a pushing mechanism (11), wherein the pushing mechanism (11) comprises a lifting block (111), guide rods (112) and springs (113), the guide rods (112) are slidably arranged on the left and right sides of the top of the housing (3), the lifting block (111) is connected between the upper parts of the two guide rods (112) on each housing (3), the lifting block (111) is rotatably connected with the adjacent lifting rod (4), the springs (113) are connected between the bottom of the lifting block (111) and the top of the adjacent housing (3), and the springs (113) are sleeved on the adjacent lifting rod (4).

6. The gas sampling tube and the sampling device comprising the same as claimed in claim 5, characterized by further comprising a rotating mechanism (12), wherein the rotating mechanism (12) comprises a rotating frame (121), a handle (122), a fixed frame (123), a motor (124) and a movable disc (125), the rotating frame (121) is rotatably arranged at the top of the protective frame (2), the handle (122) is fixedly connected to the front side of the rotating frame (121) in a bilateral symmetry manner, the fixed frame (123) is fixed at the top of the rotating frame (121), the fixed frame (123) is uniformly connected with the plurality of motors (124), the movable disc (125) is connected to the output shaft of each motor (124), and the movable disc (125) is in clamping fit with the adjacent lifting rod (4).

7. The gas sampling tube and the sampling device comprising the same as claimed in claim 6, further comprising a rotating mechanism (13) capable of rotating the rotating disc (86), wherein the rotating mechanism (13) comprises a motor (131), a first gear (132) and a second gear (133), the motor (131) is connected to the right side of the base (82), the first gear (132) is connected to an output shaft of the motor (131), the second gear (133) is arranged on the outer side of the rotating disc (86), and the second gear (133) is meshed with the toothed part of the first gear (132).

8. A gas sampling tube and sampling apparatus comprising the same as claimed in claim 1, wherein the connection ring (7) is of rubber material.

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