CN218725813U

CN218725813U - Air detection sampler

Info

Publication number: CN218725813U
Application number: CN202222877072.7U
Authority: CN
Inventors: 杨晨; 刘冬冬; 杨小芳; 付云飞; 牛犇
Original assignee: Anhui Zhonghuan Testing Co ltd
Current assignee: Anhui Zhonghuan Testing Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an air detection sampler, relating to the technical field of air sampling, comprising a bottom plate, a detachable sampling bottle unit and a sampling unit; the bottom plate is rectangular; the detachable sampling bottle unit comprises a vertical supporting plate, a transverse supporting plate, a first sliding column, a screw rod, a bearing, an arc-shaped fixing plate, a sealing cover, a connecting plug, a sampling bottle, a movable sealing plate, a circular vent groove, a limiting block, a second sliding column, a supporting block and a spring. When sampling, only need the sampling personnel to put its sampling point and open the sampling to the air that the switch just can be automatic sample, after the sampling is accomplished, the sampling bottle can be closed automatically, do not need the sampling personnel to operate the sample at the sampling point always, the time of sampling personnel in the great gas of harmfulness has been reduced, the convenience is used when the empty gas detection takes a sample, after the sampling bottle uses, can also be convenient open the sampling bottle, thereby can be convenient clear up sampling bottle inside, make things convenient for the reuse of sampling bottle.

Description

Air detection sampler

Technical Field

The utility model relates to an air sampling technical field specifically is an empty gas detection surveys sampler.

Background

Because the sources of indoor air pollutants are wide and various, the harm degree of various pollutants to human bodies is different, and the effective utilization of energy is more and more considered in modern building design, the indoor and the external ventilation is very little, under the condition, the indoor and the outdoor environment become two relatively different environments, a plurality of indoor air pollutants can generate great harm to the human bodies in a short period, and some have long incubation periods. Usually the time is 3-15 years. Such as radioactive contamination, with incubation periods of several decades.

Most current techniques are when taking a sample to the air, be not convenient for automatic take a sample to the air, need the sampling personnel to operate the sample always at the sampling point, when gathering the great gas of harmfulness, need the sampling personnel to operate the sample in the great gas of harmfulness for a long time, can cause the injury to the personnel's of sampling health, after the sampling bottle uses, still be not convenient for open the sampling bottle, thereby inconvenient inside the clearing up of sampling bottle, make the sampling bottle reuse of not being convenient for, therefore, we provide an empty gas detection survey sampler.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, an empty gas detection surveys sampler is provided, when sampling, only need the sampling personnel to put it to the sampling point and open the sampling point and just can be automatic sample the air, after the sampling is accomplished, the sampling bottle can be closed automatically, do not need the sampling personnel to operate the sample at the sampling point always, the time of sampling personnel in the great gas of harm has been reduced, thereby the convenience is used when empty gas detection surveys the sample, after the sampling bottle uses, can also be convenient open the sampling bottle, thereby can be convenient clear up sampling bottle inside, make things convenient for the reuse of sampling bottle, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air detection sampler comprises a bottom plate, a detachable sampling bottle unit and a sampling unit;

a bottom plate: is rectangular;

can dismantle the sample bottle unit: the sampling device comprises a vertical supporting plate, a transverse supporting plate, a first sliding column, a screw rod, a bearing, an arc-shaped fixed plate, a sealing cover, a connecting plug, a sampling bottle, a movable sealing plate, a circular vent groove, a limiting block, a second sliding column, a supporting block and a spring, wherein the middle part of the upper surface at one end of a bottom plate is fixedly connected with the lower end of the vertical supporting plate, the side surface at the upper end of the vertical supporting plate is fixedly connected with the side surface at one end of the transverse supporting plate, two ends of the upper surface at the other end of the transverse supporting plate are respectively and vertically and slidably connected with the middle parts of the first sliding columns correspondingly matched, the lower ends of the first sliding columns are respectively and fixedly connected with two ends of the upper surface of the arc-shaped fixed plate, the middle part of the upper surface at the other end of the transverse supporting plate is in threaded connection with the middle part of the screw rod, and the side surface at the lower end of the screw rod is rotatably connected with the middle part of the upper surface of the arc-shaped fixed plate through the bearing, the center of one side of the sealing cover is fixedly connected with the side of one end of the connecting plug, the side of the connecting plug is in threaded connection with the inner side of one end of the sampling bottle, the other side of the sealing cover is in frictional connection with the side of the lower end of the vertical supporting plate, the middle of the inner side of the sampling bottle is fixedly connected with the lower end of the supporting block, the side of the upper end of the supporting block is in sliding connection with the middle of the sliding column II, the side of one end of the sliding column II is fixedly connected with the center of the side of the limiting block, the side of the other end of the sliding column II is fixedly connected with the side of the lower end of the movable sealing plate, a spring is movably sleeved at the position of the sliding column II between the movable sealing plate and the supporting block, and a circular vent groove is formed in the center of the side of the other end of the sampling bottle;

a sampling unit: is arranged in the middle of the upper surface at the other end of the bottom plate.

The bottom plate plays a role of supporting and fixing, the connecting plug is aligned to one end of the sampling bottle, the sealing cover is rotated in a forward direction to drive the connecting plug to rotate, so that the connecting plug is tightly fastened on the sampling bottle, the sealing cover is contacted with the side surface of the sampling bottle, when the sampling bottle needs to be fixed, the side surface of the sealing cover is contacted with the lower end side surface of the vertical support plate, the screw rod is rotated around the bearing, the screw rod moves downwards to drive the bearing to move downwards, the bearing drives the arc-shaped fixing plate to move downwards, the arc-shaped fixing plate drives the sliding column I to slide downwards, when the arc-shaped fixing plate moves to a certain degree, the arc-shaped fixing plate tightly presses and fixes the sampling bottle, when collected air needs to be conveyed into the sampling bottle, the sampling unit operates, so that the movable sealing plate which is originally contacted with the inner side of the other end of the sampling bottle is abutted to move, and the movable sealing plate drives the sliding column II to move, the movable sealing plate compresses the spring to ensure that the movable sealing plate does not seal the circular vent groove any more, the outer diameter of the movable sealing plate is smaller than the inner diameter of the sampling bottle, so that the collected gas can enter the sampling bottle through a gap between the movable sealing plate and the sampling bottle to perform sampling, after the sampling is completed, the movable sealing plate is not abutted any more to ensure that the movable sealing plate moves under the action of the spring, after the movable sealing plate moves to a certain degree, the movable sealing plate is contacted with the inner side of the other end of the sampling bottle, the circular vent groove is automatically sealed because the diameter of the movable sealing plate is larger than that of the circular vent groove, so that the circular vent groove is conveniently used in air detection sampling, when the sampling bottle is required to be opened for convenient cleaning, the arc-shaped fixing plate does not press the sampling bottle any more to disassemble the sampling bottle, the sealed lid of reverse rotation, it rotates to drive the connection stopper, thereby make the connection stopper drop from the sample bottle, make sealed lid no longer with the side contact of sample bottle, thereby make the sample bottle opened, the convenience is cleared up the sample bottle is inside, make the sample bottle can reuse, the sampling unit makes can be after opening the switch, automatic absorbs the air, and accomplish the sample in carrying the sample bottle with the air that absorbs, avoid the sampling personnel to operate under dangerous environment for a long time.

Further, the detachable sampling bottle unit further comprises a rotary table, and the upper end of the screw rod is fixedly connected with the center of the lower surface of the rotary table. The rotary table is rotated to drive the screw rod to rotate, the rotary radius of the screw rod is increased by the rotary table, and the rotary table is easier and more labor-saving in rotation.

Furthermore, the detachable sampling bottle unit further comprises an anti-skid groove, and a plurality of anti-skid grooves are uniformly formed in the side face of the circle of the rotary table at equal angles. The anti-slip groove can prevent the hand from slipping when the rotary disc is rotated.

Furthermore, the detachable sampling bottle unit also comprises a sealing gasket, and the side surface of the movable sealing plate is provided with the sealing gasket. The sealing gasket can enhance the sealing of the movable sealing plate with the inner side of the sampling bottle.

The sampling unit comprises an air pump, a support lug, a connecting hose, an air delivery cylinder, a push rod, three sliding columns, an electric telescopic rod, a connecting block and a sliding lug, the middle part of the upper surface of the other end of the bottom plate is fixedly connected with the lower end of the air pump, the middle parts of the side surfaces of the two ends of the air pump are respectively fixedly connected with the side surfaces of the two support lugs in a corresponding matching mode, the middle parts of the side surfaces of the two ends of the air pump are respectively fixedly connected with the side surfaces of the two sliding columns, the middle parts of the side surfaces of the two support lugs are respectively fixedly connected with the side surfaces of the one end of the two sliding columns, the middle parts of the side surfaces of the two end of the air delivery cylinder are respectively connected with the middle parts of the two sliding columns in a sliding mode, an air inlet at the central position of one side of the air delivery cylinder is fixedly connected with the air outlet of the air pump through the connecting hose, the push rod is arranged at the upper end of the other side of the air delivery cylinder, the push rod is correspondingly matched with a movable sealing plate, the air delivery cylinder is correspondingly matched with the circular air vent groove, the lower end of the air pump is fixedly connected with the side surface of the connecting block, and the input end of the electric telescopic rod is electrically connected with the output end of the external control switch set. When a sample needs to be taken, a sampling person places the sample at a collection point, and the external control switch group is turned on, the external control switch group controls the electric telescopic rod to extend, the electric telescopic rod drives the connecting block to move, the connecting block drives the gas conveying cylinder, the gas conveying cylinder drives the sliding lug to slide along the sliding column three, the gas conveying cylinder also drives the ejector rod to move, after the ejector rod moves to a certain degree, the end part of the ejector rod abuts against the movable sealing plate and pushes the movable sealing plate to move, the gas conveying cylinder can enter the circular ventilation groove due to the fact that the outer diameter of the gas conveying cylinder is equal to the inner diameter of the circular ventilation groove, the external control switch group controls the gas pump to work, the gas pump to suck gas and convey the sucked gas into the gas conveying cylinder through the connecting hose, the gas is discharged into the sample bottle through the gas conveying cylinder, the external control switch group controls the electric telescopic rod to work again, the electric telescopic rod to shorten, the electric telescopic rod drives the connecting block to move, the connecting block drives the gas conveying cylinder to move towards the direction far away from the sample bottle, the gas conveying cylinder drives the ejector rod to move, the ejector rod to stop moving, the ejector rod, and further supports the sliding column three.

Furthermore, the rolling wheel support frame further comprises rolling wheel support frames, a rotating shaft and rolling wheels, four corners of the lower surface of the bottom plate are fixedly connected with the upper ends of the four rolling wheel support frames respectively, and the side surfaces of the lower end of each rolling wheel support frame are movably connected with the center of the side surface of each rolling wheel through the rotating shaft. When the bottom plate is required to be moved to different positions, the bottom plate is pushed to move, the bottom plate drives the roller supporting frame to move, the roller supporting frame drives the rotating shaft to move, and friction force exists between the roller and the bottom surface, so that the roller rotates around the rotating shaft and moves.

Compared with the prior art, the beneficial effects of the utility model are that: this air detection sampler has following benefit:

1. this detachable sampling bottle unit that empty gas detection surveys sampler setting makes can be convenient dismantles the sampling bottle to can be convenient open the sampling bottle, thereby convenient inside to the sampling bottle of opening is cleared up, makes the sampling bottle can reuse.

2. This sampling unit that empty gas detection surveys sampler set up makes can be after opening the switch, automatic absorb the air to accomplish the sample in carrying the sampling bottle with the air that absorbs, avoid the sampling personnel to operate under hazardous environment for a long time, thereby the convenience is used when empty gas detection surveys the sample.

3. This air detection sampler is when the sampling, only need the sampling personnel to put its sampling point and open the sampling to the air that the switch just can be automatic and sample, the back is accomplished in the sampling, the sampling bottle can be closed automatically, do not need the sampling personnel to operate the sample at the sampling point always, the time of sampling personnel in the great gas of harm has been reduced, after the sampling bottle uses, can also be convenient open the sampling bottle, thereby can be convenient clear up sampling bottle inside, make things convenient for the reuse of sampling bottle.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the upper end structure of the present invention.

Fig. 3 is a schematic view of the lower end structure of the present invention.

In the figure: the sampling device comprises a base plate 1, a detachable sampling bottle unit 2, a vertical supporting plate 21, a transverse supporting plate 22, a rotating disc 23, an anti-skid groove 24, a first sliding column 25, a screw rod 26, a bearing 27, an arc-shaped fixing plate 28, a sealing cover 29, a connecting plug 210, a sampling bottle 211, a movable sealing plate 212, a sealing gasket 213, a circular vent groove 214, a limiting block 215, a second sliding column 216, a supporting block 217, a spring 218, a sampling unit 3, an air pump 31, a supporting lug 32, a connecting hose 33, an air conveying cylinder 34, a push rod 35, a third sliding column 36, an electric telescopic rod 37, a connecting block 38, a sliding lug 39, a roller supporting frame 4, a rotating shaft 5 and a roller 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: an air detection sampler comprises a bottom plate 1, a detachable sampling bottle unit 2 and a sampling unit 3;

bottom plate 1: is rectangular;

detachable sampling bottle unit 2: comprises a vertical supporting plate 21, a transverse supporting plate 22, a first sliding column 25, a screw rod 26, a bearing 27, an arc-shaped fixing plate 28, a sealing cover 29, a connecting plug 210, a sampling bottle 211, a movable sealing plate 212, a circular vent groove 214, a limiting block 215, a second sliding column 216, a supporting block 217 and a spring 218, wherein the middle part of the upper surface at one end of a bottom plate 1 is fixedly connected with the lower end of the vertical supporting plate 21, the side surface at the upper end of the vertical supporting plate 21 is fixedly connected with the side surface at one end of the transverse supporting plate 22, two ends of the upper surface at the other end of the transverse supporting plate 22 are respectively and vertically and slidably connected with the middle parts of the first sliding columns 25 which are correspondingly matched, the lower ends of the two first sliding columns 25 are respectively and fixedly connected with two ends of the upper surface of the arc-shaped fixing plate 28, and the middle part of the upper surface at the other end of the transverse supporting plate 22 is in threaded connection with the middle part of the screw rod 26, the side surface of the lower end of the screw 26 is rotatably connected with the middle part of the upper surface of the arc-shaped fixing plate 28 through a bearing 27, the central position of one side of the sealing cover 29 is fixedly connected with the side surface of one end of the connecting plug 210, the side surface of the connecting plug 210 is in threaded connection with the inner side surface of one end of the sampling bottle 211, the other side of the sealing cover 29 is in frictional connection with the side surface of the lower end of the vertical supporting plate 21, the middle part of the inner side of the sampling bottle 211 is fixedly connected with the lower end of the supporting block 217, the side surface of the upper end of the supporting block 217 is in sliding connection with the middle part of the sliding column II 216, the side surface of one end of the sliding column II 216 is fixedly connected with the central position of the side surface of the limiting block 215, the side surface of the other end of the sliding column II 216 is fixedly connected with the side surface of the lower end of the movable sealing plate 212, a spring 218 is movably sleeved at a position between the movable sealing plate 212 and the supporting block 217, and a circular vent groove 214 is formed at the central position of the side surface of the other end of the sampling bottle 211;

the detachable sampling bottle unit 2 further comprises a rotary disc 23, and the upper end of the screw rod 26 is fixedly connected with the central position of the lower surface of the rotary disc 23. The rotating turntable 23 drives the screw rod 26 to rotate, and the rotating radius of the screw rod 26 is increased by the turntable 23, so that the screw rod can rotate more easily and more easily.

The detachable sampling bottle unit 2 further comprises an anti-slip groove 24, and a plurality of anti-slip grooves 24 are uniformly formed in the side surface of the circle of the rotating disc 23 at equal angles. The anti-slip groove 24 prevents the hand from slipping when the rotary plate 23 is rotated.

The removable sample vial unit 2 further comprises a sealing gasket 213, and the side of the movable sealing plate 212 is provided with the sealing gasket 213. The sealing gasket 213 may enhance the sealing of the movable sealing plate 212 to the inside of the sampling vial 211.

The sampling unit 3: is arranged in the middle of the upper surface at the other end of the bottom plate 1.

The sampling unit 3 comprises an air pump 31, a support lug 32, a connecting hose 33, an air delivery cylinder 34, a push rod 35, three sliding columns 36, an electric telescopic rod 37, a connecting block 38 and a sliding lug 39, the middle part of the upper surface of the other end of the bottom plate 1 is fixedly connected with the lower end of the air pump 31, the middle parts of the side surfaces of the two ends of the air pump 31 are respectively and fixedly connected with the side surfaces of the two corresponding support lugs 32, the middle parts of the side surfaces of the two support lugs 32 are respectively and fixedly connected with the side surfaces of one ends of the two sliding columns 36, the middle parts of the side surfaces of the two ends of the air delivery cylinder 34 are respectively provided with the two corresponding and matched sliding lugs 39, the two sliding lugs 39 are respectively and slidably connected with the middle parts of the two sliding columns 36, an air inlet at the central position of one side of the air delivery cylinder 34 is fixedly connected with an air outlet of the electric telescopic rod 37 through the connecting hose 33, the push rod 35 is arranged at the upper end of the other side of the air delivery cylinder 34, the push rod 35 is correspondingly matched with a movable sealing plate 212, the air delivery cylinder 34 is correspondingly matched with a circular ventilation groove 214, the lower end of the air delivery cylinder 34 is fixedly connected with the upper end of the connecting block 31, the electric telescopic rod 37, and an output end of the electric telescopic rod 31 is electrically connected with an external control switch of the air pump 37. When sampling is needed, a sampling person places the sampling person at a sampling point, the external control switch group is turned on, the external control switch group controls the electric telescopic rod 37 to extend, the electric telescopic rod 37 drives the connecting block 38 to move, the connecting block 38 drives the gas transmission cylinder 34, the gas transmission cylinder 34 drives the sliding lug 39 to slide along the sliding column III 36, the gas transmission cylinder 34 also drives the ejector rod 35 to move, after the ejector rod 35 moves to a certain degree, the end part of the ejector rod 35 abuts against the movable sealing plate 212 and pushes the movable sealing plate 212 to move, the gas transmission cylinder 34 can enter the circular vent groove 214 due to the fact that the outer diameter of the gas transmission cylinder 34 is equal to the inner diameter of the circular vent groove 214, the external control switch group controls the gas pump 31 to work, the gas pump 31 sucks gas, the sucked gas is transmitted into the gas transmission cylinder 34 through the connecting hose 33 and then is discharged into the sampling bottle 211 through the gas transmission cylinder 34, the external control switch group controls the electric telescopic rod 37 to work again, the electric telescopic rod 37 is shortened, the electric telescopic rod 37 drives the connecting block 38 to drive the connecting block 38 to move, the connecting block 38 drives the gas transmission cylinder 34 to move towards a direction far away from the sampling bottle 211, the movable sealing plate 35, and the ejector rod 35 is used for supporting the movable ejector rod 36, and accordingly the sampling bottle 35 is used for supporting the ejector rod 35.

The bottom plate 1 plays a role of supporting and fixing, the connecting plug 210 is aligned to one end of the sampling bottle 211, the sealing cover 29 is rotated in the forward direction, the connecting plug 210 is driven to rotate, the connecting plug 210 is fastened on the sampling bottle 211, the sealing cover 29 is in contact with the side surface of the sampling bottle 211, when the sampling bottle 211 needs to be fixed, the side surface of the sealing cover 29 is in contact with the lower end side surface of the vertical supporting plate 21, the screw rod 26 rotates around the bearing 27, the screw rod 26 moves downwards, the bearing 27 is driven to move downwards, the bearing 27 drives the arc-shaped fixing plate 28 to move downwards, the arc-shaped fixing plate 28 drives the sliding column I25 to slide downwards, after the arc-shaped fixing plate 28 moves to a certain degree, the arc-shaped fixing plate 28 compresses and fixes the sampling bottle 211, when the collected air needs to be conveyed into the sampling bottle 211, the sampling unit 3 operates, so that the movable sealing plate 212 which is originally in contact with the inner side of the other end of the sampling bottle 211 is propped and moves, the movable sealing plate 212 drives the sliding column II 216 to move, the movable sealing plate 212 compresses the spring 218, so that the movable sealing plate 212 does not seal the circular vent groove 214 any more, the outer diameter of the movable sealing plate 212 is smaller than the inner diameter of the sampling bottle 211, collected gas can enter the sampling bottle 211 through a gap between the movable sealing plate 212 and the sampling bottle 211, so that sampling is performed, after sampling is completed, the movable sealing plate 212 is not abutted any more, so that the movable sealing plate 212 moves under the action of the spring 218, after the movable sealing plate 212 moves to a certain degree, the movable sealing plate 212 is contacted with the inner side of the other end of the sampling bottle 211, as the diameter of the movable sealing plate 212 is larger than the diameter of the circular vent groove 214, the circular vent groove 214 is automatically sealed, and when the sampling bottle 211 needs to be opened for convenient cleaning, make arc-shaped fixing plate 28 no longer compress tightly sampling bottle 211, thereby can dismantle sampling bottle 211, the sealed lid 29 of reverse rotation, it rotates to drive connecting plug 210, thereby make connecting plug 210 drop from sampling bottle 211, make sealed lid 29 no longer with sampling bottle 211's side contact, thereby make sampling bottle 211 opened, conveniently clear up sampling bottle 211 is inside, make sampling bottle 211 can reuse, sampling unit 3 makes can be after opening the switch, automatic absorb the air, and accomplish the sample in carrying sampling bottle 211 with the air that absorbs, avoid the sampling personnel to operate under dangerous gas environment for a long time, thereby conveniently use when the empty gas detection takes a sample.

Still include gyro wheel support frame 4, pivot 5 and gyro wheel 6, the lower surface four corners of bottom plate 1 respectively with the upper end fixed connection of four gyro wheel support frames 4, the lower extreme side of gyro wheel support frame 4 is put swing joint through pivot 5 and gyro wheel 6's side center. When it is required to move the base plate to different positions, the base plate 1 is pushed to move, the base plate 1 drives the roller supporting frame 4 to move, the roller supporting frame 4 drives the rotating shaft 5 to move, and the roller 6 rotates around the rotating shaft 5 due to friction between the roller 6 and the bottom surface, so that the movement is carried out.

The utility model provides a pair of empty gas detection surveys operating principle of sampler as follows:

when the sampling bottle needs to be fixed, the side surface of the sealing cover 29 is contacted with the lower end side surface of the vertical supporting plate 21, the rotating turntable 23 is rotated to drive the screw 26 to rotate, the screw 26 rotates around the bearing 27, the screw 26 moves downwards to drive the bearing 27 to move downwards, the bearing 27 drives the arc-shaped fixing plate 28 to move downwards, the arc-shaped fixing plate 28 drives the sliding column one 25 to slide downwards, when the arc-shaped fixing plate 28 moves to a certain degree, the arc-shaped fixing plate 28 presses and fixes the sampling bottle 211, when the collected air is required to be conveyed into the sampling bottle 211, when the sampling is required, a sampling person places the sampling point on the collection point, and turns on the external control switch group, the external control switch group controls the electric telescopic rod 37 to extend, the electric telescopic rod 37 drives the connecting block 38 to move, the connecting block 38 drives the gas conveying cylinder 34, the gas conveying cylinder 34 drives the sliding lug 39 to slide along the third sliding column 36, the gas conveying cylinder 34 also drives the ejector rod 35 to move, when the ejector rod 35 moves to a certain degree, the end of the ejector rod 35 abuts against the movable sealing plate 212 and pushes the movable sealing plate 212 to move, so that the movable sealing plate 212 which is originally contacted with the inner side of the other end of the sampling bottle 211 is abutted against to move, the movable sealing plate 212 drives the second sliding column 216 to move, the movable sealing plate 212 compresses the spring 218, so that the movable sealing plate 212 does not seal the circular vent groove 214 any more, because the outer diameter of the movable sealing plate 212 is smaller than the inner diameter of the sampling bottle 211, the collected gas can enter the sampling bottle 211 through the gap between the movable sealing plate 212 and the sampling bottle 211, because the outer diameter of the gas conveying cylinder 34 is equal to the inner diameter of the circular vent groove 214, the gas conveying cylinder 34 can enter the circular vent groove 214, the external control switch group controls the air pump 31 to work, so that the air pump 31 sucks the gas, the sucked gas is conveyed into the gas conveying cylinder 34 through the connecting hose 33, the gas is discharged into the sampling bottle 211 through the gas conveying cylinder 34, the external control switch group controls the electric telescopic rod 37 to work again, so that the electric telescopic rod 37 shortens, the electric telescopic rod 37 drives the connecting block 38 to move, the connecting block 38 drives the gas conveying cylinder 34 to move in a direction away from the sampling bottle 211, the gas cylinder 34 drives the push rod 35 to move, so that the push rod 35 does not abut against the movable sealing plate 212 any more, thereby completing sampling, after sampling is completed, the movable sealing plate 212 does not abut against any more, so that the movable sealing plate 212 moves under the action of the spring 218, when the movable sealing plate 212 moves to a certain extent, the movable sealing plate 212 contacts with the inner side of the other end of the sampling bottle 211, because the diameter of the movable sealing plate 212 is larger than that of the circular vent groove 214, the circular vent groove 214 is automatically sealed, thereby automatically completing sampling, when automatic sampling is performed, a sampling person can leave an air sampling point, the sampling person is prevented from sampling in an environment with high gas risk for a long time, when the sampling bottle 211 needs to be opened to be conveniently cleaned, the arc-shaped fixing plate 28 does not press the sampling bottle 211 any more, thereby can dismantle sample bottle 211, the sealed lid 29 of reverse rotation drives and connects stopper 210 rotation, thereby makes to connect stopper 210 to drop from sample bottle 211, makes sealed lid 29 no longer with the side contact of sample bottle 211, thereby makes sample bottle 211 opened, conveniently clears up sample bottle 211 is inside, makes sample bottle 211 can reuse, compares with current disposable sample bottle and saves a large amount of resources.

It should be noted that the core chip of the external control switch set disclosed in the above embodiments is a PLC single chip, the air pump 31 and the electric telescopic rod 37 can be freely configured according to practical application scenarios, the air pump 31 is suggested to be a vortex air pump, and the electric telescopic rod 37 can be an electric hydraulic push rod. The external control switch group controls the air pump 31 and the electric telescopic rod 37 to work by adopting a common method in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An air detection sampler, comprising: comprises a bottom plate (1), a detachable sampling bottle unit (2) and a sampling unit (3);

base plate (1): is rectangular;

detachable sample vial unit (2): comprises a vertical supporting plate (21), a transverse supporting plate (22), a first sliding column (25), a screw rod (26), a bearing (27), an arc-shaped fixing plate (28), a sealing cover (29), a connecting plug (210), a sampling bottle (211), a movable sealing plate (212), a circular vent groove (214), a limiting block (215), a second sliding column (216), a supporting block (217) and a spring (218), wherein the middle part of the upper surface at one end of the bottom plate (1) is fixedly connected with the lower end of the vertical supporting plate (21), the side surface at the upper end of the vertical supporting plate (21) is fixedly connected with the side surface at one end of the transverse supporting plate (22), the two ends of the upper surface at the other end of the transverse supporting plate (22) are respectively and vertically and slidably connected with the middle parts of the first sliding columns (25) which are matched with each other, the lower ends of the first sliding columns (25) are respectively and fixedly connected with the two ends of the upper surface of the arc-shaped fixing plate (28), the middle part of the upper surface at the other end of the transverse supporting plate (22) is in threaded connection with the middle part of the sampling bottle (210), the side surface of the screw rod (26) is in threaded connection with the side surface of the middle part of the arc-shaped fixing plate (28) through the bearing (27), and the side surface of the sealing plug (29) is fixedly connected with the side surface of the sealing cover (210), the other side of the sealing cover (29) is in friction connection with the side face of the lower end of the vertical supporting plate (21), the middle part of the inner side of the sampling bottle (211) is fixedly connected with the lower end of the supporting block (217), the side face of the upper end of the supporting block (217) is in sliding connection with the middle part of the sliding column II (216), the side face of one end of the sliding column II (216) is fixedly connected with the center position of the side face of the limiting block (215), the side face of the other end of the sliding column II (216) is fixedly connected with the side face of the lower end of the movable sealing plate (212), the position, between the movable sealing plate (212) and the supporting block (217), of the sliding column II (216) is movably sleeved with a spring (218), and the center position of the side face of the other end of the sampling bottle (211) is provided with a circular vent groove (214);

sampling unit (3): is arranged in the middle of the upper surface of the other end of the bottom plate (1).

2. An air detection sampler according to claim 1 wherein: the detachable sampling bottle unit (2) further comprises a rotary table (23), and the upper end of the screw rod (26) is fixedly connected with the center of the lower surface of the rotary table (23).

3. An air detection sampler according to claim 2 wherein: the detachable sampling bottle unit (2) further comprises an anti-skid groove (24), and a plurality of anti-skid grooves (24) are uniformly formed in the side face of the periphery of the rotary disc (23) at equal angles.

4. An air detection sampler according to claim 3 wherein: the detachable sampling bottle unit (2) further comprises a sealing gasket (213), and the side surface of the movable sealing plate (212) is provided with the sealing gasket (213).

5. An air detection sampler according to claim 4 wherein: the sampling unit (3) comprises an air pump (31), supporting lugs (32), a connecting hose (33), an air conveying cylinder (34), a push rod (35), three sliding columns (36), an electric telescopic rod (37), a connecting block (38) and sliding lugs (39), the middle part of the upper surface of the other end of the base plate (1) is fixedly connected with the lower end of the air pump (31), the middle parts of the side surfaces of the two ends of the air pump (31) are respectively fixedly connected with the side surfaces of the two corresponding matched supporting lugs (32), the middle parts of the side surfaces of the two supporting lugs (32) are respectively fixedly connected with the side surfaces of the one ends of the two sliding columns (36), the middle parts of the side surfaces of the two ends of the air conveying cylinder (34) are respectively provided with the two corresponding matched sliding lugs (39), the two sliding lugs (39) are respectively slidably connected with the middle parts of the two sliding columns (36), the air inlet at the central position of one side of the air conveying cylinder (34) is fixedly connected with the air outlet of the air pump (31) through the connecting hose (33), the upper end of the other side of the air conveying cylinder (34) is provided with the push rod (35), the movable matched with the sealing plate (212), the lower end of the air conveying cylinder (34) is connected with the lower end of the air conveying cylinder (214), the other end of the electric telescopic rod (37) is fixedly connected with the side face of the lower end of the connecting block (38), and the input ends of the air pump (31) and the electric telescopic rod (37) are electrically connected with the output end of the external control switch group.

6. An air detection sampler according to claim 1 wherein: still include gyro wheel support frame (4), pivot (5) and gyro wheel (6), the lower surface four corners of bottom plate (1) respectively with the upper end fixed connection of four gyro wheel support frames (4), the lower extreme side of gyro wheel support frame (4) is through pivot (5) and gyro wheel (6) side central point put swing joint.