CN217059558U

CN217059558U - Sampling pipe for detecting ambient air

Info

Publication number: CN217059558U
Application number: CN202220344229.7U
Authority: CN
Inventors: 刘泉; 刘庆平; 黄江宇
Original assignee: Shenzhen Shizhun Technology Co ltd
Current assignee: Shenzhen Shizhun Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-26
Anticipated expiration: 2032-02-21

Abstract

The utility model belongs to the technical field of the environmental detection, especially, be a sampling pipe for detecting ambient air, the on-line screen storage device comprises a base, the fixed air pump and the spacing ring of being provided with in top of base, the sampling pipe has been placed to spacing intra-annular activity, the fixed intercommunication in bottom of sampling pipe has the intake pipe, the fixed intercommunication in top of air pump has the connecting pipe, the fixed intercommunication in top of connecting pipe has the connector, the spacing groove has all been seted up on the both sides inner wall of connector. The utility model has the advantages of reasonable design, the air pump of being convenient for is connected and is dismantled with the sampling pipe, has made things convenient for the use, through last baffle, lower baffle, go up the through-hole, lower through-hole, go up the cooperation of spring and ball sealer, is convenient for seal the sampling pipe, does not hinder the sampling pipe collection gas simultaneously again, effectively avoids the condition emergence that the gas in the sampling pipe spills, avoids external gas to get into the sampling pipe simultaneously and leads to later stage gas detection result inaccurate.

Description

Sampling pipe for detecting ambient air

Technical Field

The utility model relates to an environment detects technical field, especially relates to a sampling pipe for detecting ambient air.

Background

The air is a mixture of gases in the earth atmosphere, so that the air belongs to the mixture, the components of the air are not fixed, the composition proportion of the air can be changed along with the change of the height and the change of the air pressure, and the sampling tube is one of the indispensable tools in the air environment monitoring.

However, the sampling tube in the prior art is inconvenient to be connected and detached with the air pump, so that the sampling tube is inconvenient to use, and when the sampling tube is detached from the air pump, the sampling tube cannot be sealed, so that gas in the sampling tube is easy to diffuse, and meanwhile, the air of the external environment is easy to enter and is mixed with the collected gas, so that the result error of gas detection is large, and therefore, the sampling tube for detecting the ambient air is provided for solving the problems.

Disclosure of Invention

The utility model discloses a in order to solve shortcoming in the aforesaid, and the sampling pipe that is used for detecting ambient air that proposes.

In order to realize the purpose, the utility model adopts the following technical scheme:

a sampling tube for detecting ambient air comprises a base, wherein an air pump and a limiting ring are fixedly arranged at the top of the base, the sampling tube is movably placed in the limiting ring, an air inlet pipe is fixedly communicated with the bottom of the sampling tube, a connecting pipe is fixedly communicated with the top end of the air pump, a connecting head is fixedly communicated with the top end of the connecting pipe, limiting grooves are respectively formed in the inner walls of the two sides of the connecting head, limiting plates are respectively sleeved in the two limiting grooves in a sliding manner, the two limiting plates are respectively and fixedly arranged on the two sides of the air inlet pipe, a barrel body is fixedly arranged on the two sides of the connecting head, clamping blocks are sleeved in the barrel body in a sliding manner, clamping grooves are respectively formed in the two sides of the two limiting plates, the two clamping blocks are respectively and movably clamped in the corresponding clamping grooves, a lower spring and a handheld rod are fixedly arranged on one side of each clamping block, one end of the lower spring is fixedly arranged on the inner wall of one side of the barrel body, the utility model discloses a sampling pipe, including intake pipe, baffle, last baffle, through-hole, last baffle, sampling pipe, piston sliding seal cover, the fixed baffle and lower baffle of being provided with in intake pipe, the fixed spring that is provided with in bottom of going up the baffle, the bottom mounting of going up the spring is provided with the ball sealer, the through-hole has been seted up down at the top of baffle down, the top of going up the baffle has been seted up two and has been gone up the through-hole, the fixed two reset springs that are provided with on the top inner wall of sampling pipe, two reset spring's bottom mounting are provided with same piston, the piston sliding seal cover is established in the sampling pipe, the fixed push rod that is provided with in top of piston.

Preferably, the top of the base is fixedly provided with two fixing rods, and the limiting ring is fixedly arranged between the two fixing rods.

Preferably, the bottom of the sampling pipe is fixedly communicated with an air outlet pipe, and a control valve is arranged on the air outlet pipe.

Preferably, the top end of the push rod is fixedly provided with a pressing plate, and the ends, far away from each other, of the two handheld rods are fixedly provided with balls.

Preferably, the connector internal fixation is provided with the sealing washer, the bottom activity of intake pipe is contradicted at the top of sealing washer.

Preferably, the two lower springs are respectively sleeved on the outer sides of the corresponding handheld rods, a sliding hole is formed in one side of the barrel, and the two handheld rods are respectively sleeved in the corresponding sliding holes in a sliding manner.

In the utility model, the sampling tube for detecting the ambient air is convenient for connecting and disassembling the air pump and the sampling tube through the matching of the connector, the limiting groove, the limiting plate, the clamping block, the clamping groove, the lower spring and the hand-held rod, thereby facilitating the use;

in the utility model, the sampling tube for detecting the ambient air is convenient to seal the sampling tube through the matching of the upper baffle plate, the lower baffle plate, the upper through hole, the lower through hole, the upper spring and the sealing ball, and meanwhile, the gas collection of the sampling tube is not hindered, thereby effectively avoiding the gas leakage condition in the sampling tube, and simultaneously avoiding the external gas from entering the sampling tube to cause the inaccurate gas detection result in the later period;

the utility model has the advantages of reasonable design, the air pump of being convenient for is connected and is dismantled with the sampling pipe, has made things convenient for the use, through last baffle, lower baffle, go up the through-hole, lower through-hole, go up the cooperation of spring and ball sealer, is convenient for seal the sampling pipe, does not hinder the sampling pipe collection gas simultaneously again, effectively avoids the condition emergence that the gas in the sampling pipe spills, avoids external gas to get into the sampling pipe simultaneously and leads to the gaseous testing result in later stage inaccurate.

Drawings

Fig. 1 is a schematic structural diagram of a sampling tube for detecting ambient air according to the present invention;

fig. 2 is a cross-sectional view of a sampling tube for detecting ambient air according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a sampling tube for detecting ambient air according to the present invention;

fig. 4 is a schematic structural diagram of a portion B of a sampling tube for detecting ambient air according to the present invention.

In the figure: 1. a base; 2. fixing the rod; 3. a limiting ring; 4. a sampling tube; 5. a push rod; 6. pressing a plate; 7. a piston; 8. a hand-held lever; 9. a return spring; 10. an air outlet pipe; 11. an air pump; 12. a connecting pipe; 13. an air inlet pipe; 14. an upper partition plate; 15. an upper through hole; 16. an upper spring; 17. a lower partition plate; 18. a sealing ball; 19. a lower through hole; 20. a connector; 21. a limiting plate; 22. a clamping groove; 23. a seal ring; 24. a clamping block; 25. a cylinder body; 26. and a lower spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a sampling tube for detecting ambient air comprises a base 1, an air pump 11 and a limiting ring 3 are fixedly arranged at the top of the base 1, a sampling tube 4 is movably placed in the limiting ring 3, an air inlet pipe 13 is fixedly communicated with the bottom of the sampling tube 4, a connecting pipe 12 is fixedly communicated with the top end of the air pump 11, a connecting head 20 is fixedly communicated with the top end of the connecting pipe 12, limiting grooves are respectively formed on the inner walls of the two sides of the connecting head 20, limiting plates 21 are respectively slidably sleeved in the two limiting grooves, the two limiting plates 21 are respectively fixedly arranged at the two sides of the air inlet pipe 13, a barrel 25 is fixedly arranged at the two sides of the connecting head 20, clamping blocks 24 are slidably sleeved in the barrel 25, clamping grooves 22 are respectively formed on the two sides of the two limiting plates 21, the two clamping blocks 24 are respectively and movably clamped in the corresponding clamping grooves 22, a lower spring 26 and a hand-held rod 8 are fixedly arranged at one side of the clamping blocks 24, one end of a lower spring 26 is fixedly arranged on the inner wall of one side of the cylinder 25, the sampling tube 4 is pressed downwards, so that the air inlet pipe 13 and the limiting plate 21 slide downwards in two limiting grooves formed in the connecting head 20, because the tops of the clamping blocks 24 are arranged on a slope, when the limiting plate 21 moves downwards, the clamping blocks 24 can be automatically extruded to retract into the cylinder 25 and extrude the lower spring 26, when the air inlet pipe is inserted in place, the clamping grooves 22 are aligned with the clamping blocks 24, under the action of the extruded lower spring 26, the two clamping blocks 24 are close to each other and clamped in the corresponding clamping grooves 22, so that the air inlet pipe 13 can be quickly communicated with the air pump 11, when sampling is finished, the air pump 11 is closed, the two hand-held rods 8 are pulled, so that the two clamping blocks 24 are mutually far away from the clamping grooves 22 and are not limited to the air inlet pipe 13, the sampling tube 4 can be pulled upwards, an upper partition plate 14 and a lower partition plate 17 are fixedly arranged in the air inlet pipe 13, an upper spring 16 is fixedly arranged at the bottom of an upper partition plate 14, a sealing ball 18 is fixedly arranged at the bottom end of the upper spring 16, a lower through hole 19 is arranged at the top of a lower partition plate 17, two upper through holes 15 are arranged at the top of the upper partition plate 14, external gas can be pumped into a connecting pipe 12 and a connector 20 through an air pump 11 and finally enters an air inlet pipe 13, when the air pressure of the lower partition plate 17 in the air inlet pipe 13 is greater than the elastic force of the upper spring 16, the air pushes the sealing ball 18 to move upwards so as not to seal the lower through hole 19, at the moment, the gas enters a sampling pipe 4 from the lower through hole 19 and the upper through hole 15, when sampling is finished, the air pump 11 is closed, because the air pressure of the lower partition plate 17 in the air inlet pipe 13 is less than the elastic force of the upper spring 16, under the action of the upper spring 16, the sealing ball 18 moves downwards and seals the lower through hole 19, the situation of leakage of the collected gas is avoided, and the influence on the result of later-stage gas detection caused by the external gas entering the sampling pipe 4 is avoided, fixed two reset spring 9 that are provided with on the top inner wall of sampling pipe 4, the bottom mounting of two reset spring 9 is provided with same piston 7, piston 7 sliding seal cover is established in sampling pipe 4, the fixed push rod 5 that is provided with in top of piston 7, open the control valve, promote moving down of push rod 5 and piston 7, carry out and can detect in extruding the external detector pipeline of the gas of gathering, when having discharged, loosen clamp plate 6, at this moment under reset spring 9's effect, piston 7 moves up and resets.

The utility model discloses in, the fixed two dead levers 2 that are provided with in top of base 1, spacing ring 3 is fixed to be set up between two dead levers 2, is convenient for support fixedly spacing ring 3.

The utility model discloses in, the fixed intercommunication in bottom of sampling pipe 4 has outlet duct 10, is provided with the control valve on the outlet duct 10, the gas of the collection of being convenient for discharge.

The utility model discloses in, the fixed clamp plate 6 that is provided with in top of push rod 5, the ball that is provided with all fixed one end of keeping away from each other of two handheld poles 8, be convenient for remove push rod 5 and handheld pole 8.

The utility model discloses in, connector 20 internal fixation is provided with sealing washer 23, and the bottom activity of intake pipe 13 is contradicted at the top of sealing washer 23, is convenient for seal the junction of connector 20 with intake pipe 13, and the condition of avoiding leaking gas takes place.

The utility model discloses in, two lower springs 26 cup joint respectively in the outside of the handheld pole 8 that corresponds, and the slide opening has been seted up to one side of barrel 25, and two handheld poles 8 slide the cover respectively and establish in the slide opening that corresponds, are convenient for lead lower spring 26 and handheld pole 8, make more stable smooth and easy that it removed.

In the utility model, when in use, the sampling tube 4 is placed in the spacing ring 3, the air inlet tube 13 is aligned with the connector 20, the sampling tube 4 is pressed downwards, the air inlet tube 13 and the limiting plate 21 slide downwards in the two limiting grooves formed by the connector 20, because the top of the clamping block 24 is arranged as a slope, when the limiting plate 21 moves downwards, the clamping block 24 can be automatically extruded to retract into the barrel 25 and extrude the lower spring 26, when the air inlet tube is inserted in place, the clamping groove 22 is aligned with the clamping block 24, under the action of the extruded lower spring 26, the two clamping blocks 24 are close to each other and clamped in the corresponding clamping grooves 22, the air inlet tube 13 is communicated with the air pump 11 rapidly, the outside air can be pumped into the connecting tube 12 and the connector 20 through the air pump 11 and finally enters the connector 13, when the air pressure of the air inlet tube located in the lower clapboard 17 in the air inlet tube 13 is larger than the elasticity of the upper spring 16, gas pushes the sealing ball 18 to move upwards, so that the lower through hole 19 is not sealed, at the moment, gas enters the sampling tube 4 from the lower through hole 19 and the upper through hole 15, when sampling is finished, the air pump 11 is closed, the two handheld rods 8 are pulled, the two clamping blocks 24 are far away from each other and are separated from the clamping grooves 22, so that the air inlet pipe 13 is not limited, at the moment, the sampling tube 4 can be pulled upwards, because the air pressure of the lower partition plate 17 in the air inlet pipe 13 is smaller than the elastic force of the upper spring 16, under the action of the upper spring 16, the sealing ball 18 moves downwards and seals the lower through hole 19, the condition that collected gas leaks is avoided, meanwhile, the condition that the outside gas enters the sampling tube 4 to influence the result of later-stage gas detection is avoided, when the collected gas needs to be discharged, the outside detector pipeline is connected to the air outlet pipe 10, the control valve is opened, the pressing plate 6 is pressed downwards, and the pressing plate 6 drives the push rod 5 and the piston 7 to move downwards, the collected gas can be extruded into an external detector pipeline for detection, when the gas is discharged, the pressing plate 6 is loosened, and at the moment, the piston 7 moves upwards and resets under the action of the return spring 9.

Claims

1. The utility model provides a sampling pipe for detecting ambient air, includes base (1), its characterized in that, the fixed air pump (11) and spacing ring (3) that are provided with in top of base (1), sampling pipe (4) have been placed to spacing ring (3) internalization, the fixed intercommunication in bottom of sampling pipe (4) has intake pipe (13), the fixed intercommunication in top of air pump (11) has connecting pipe (12), the fixed intercommunication in top of connecting pipe (12) has connector (20), the spacing groove has all been seted up on the both sides inner wall of connector (20), and two spacing inslot all slide the cover and be equipped with limiting plate (21), and two limiting plate (21) are fixed the both sides that set up in intake pipe (13) respectively, the both sides of connector (20) are all fixed and are provided with barrel (25), slide the cover in barrel (25) and be equipped with joint piece (24), the two sides of the two limiting plates (21) are respectively provided with a clamping groove (22), the two clamping blocks (24) are movably clamped in the corresponding clamping grooves (22) respectively, one side of each clamping block (24) is fixedly provided with a lower spring (26) and a handheld rod (8), one end of each lower spring (26) is fixedly arranged on the inner wall of one side of the barrel (25), the air inlet pipe (13) is internally fixedly provided with an upper partition plate (14) and a lower partition plate (17), the bottom of each upper partition plate (14) is fixedly provided with an upper spring (16), the bottom of each upper spring (16) is fixedly provided with a sealing ball (18), the top of each lower partition plate (17) is provided with a lower through hole (19), the top of each upper partition plate (14) is provided with two upper through holes (15), the inner wall of the top of the sampling pipe (4) is fixedly provided with two reset springs (9), and the bottom of the two reset springs (9) is fixedly provided with the same piston (7), piston (7) sliding seal cover is established in sampling pipe (4), the top of piston (7) is fixed and is provided with push rod (5).

2. The sampling tube for detecting the ambient air according to claim 1, wherein two fixing rods (2) are fixedly arranged at the top of the base (1), and the limiting ring (3) is fixedly arranged between the two fixing rods (2).

3. The sampling tube for detecting the ambient air according to claim 1, wherein an air outlet tube (10) is fixedly communicated with the bottom of the sampling tube (4), and a control valve is arranged on the air outlet tube (10).

4. The sampling tube for detecting the ambient air according to claim 1, wherein a pressure plate (6) is fixedly arranged at the top end of the push rod (5), and the ends of the two hand-held rods (8) far away from each other are fixedly provided with round balls.

5. The sampling tube for detecting the ambient air according to claim 1, wherein a sealing ring (23) is fixedly arranged in the connector (20), and the bottom end of the air inlet tube (13) movably abuts against the top of the sealing ring (23).

6. The sampling tube for detecting the ambient air according to claim 1, wherein the two lower springs (26) are respectively sleeved on the outer sides of the corresponding hand-held rods (8), one side of the cylinder body (25) is provided with a sliding hole, and the two hand-held rods (8) are respectively sleeved in the corresponding sliding holes in a sliding manner.