CN111197685B

CN111197685B - Atmospheric sampling instrument

Info

Publication number: CN111197685B
Application number: CN202010043330.4A
Authority: CN
Inventors: 李北海; 唐亮; 陈展瑜; 冯振超
Original assignee: Foshan Chancheng District Construction Engineering Quality Safety Test Station
Current assignee: Foshan Chancheng District Construction Engineering Quality Safety Test Station
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2021-04-27
Anticipated expiration: 2040-01-15
Also published as: CN111197685A

Abstract

The invention relates to an atmosphere sampling instrument which comprises a sampling instrument main body, a containing seat fixedly arranged on the sampling instrument main body and three foldable support legs, wherein each support leg comprises an overturning rod and two frame-shaped rods, one end of each support leg is connected with the containing seat, two ends of each overturning rod are respectively connected with the two frame-shaped rods in a rotating mode, the overturning rods and the frame-shaped rods are mutually fixed through fixing mechanisms, the three support legs are oppositely and obliquely arranged, and the containing seat is provided with a containing mechanism for containing the folded support legs. The turnover rod and the frame-shaped rod are mutually fixed by the fixing mechanism, the sampling instrument main body can be supported for sampling, the turnover rod and the frame-shaped rod can be mutually folded, the folded stand bar is accommodated below the accommodating seat through the accommodating mechanism, the sampling instrument main body and the stand bar do not need to be additionally detached, and the sampling instrument is convenient to move.

Description

Atmospheric sampling instrument

Technical Field

The invention relates to the technical field of atmospheric sampling equipment, in particular to an atmospheric sampling instrument.

Background

The atmospheric sampling instrument is an instrument or equipment for collecting atmospheric pollutants or polluted atmosphere, plays a good role in detecting harmful gases in air and environment, and is widely applied to units such as atmospheric environment monitoring, health epidemic prevention, labor protection, scientific research and the like.

Existing, as chinese patent utility model patent application publication No. CN208805397U discloses an accurate stable form atmospheric sampling appearance, including the sampling appearance host computer, support pad foot and tripod, sampling appearance host computer bottom surface central point puts still fixed support boss that is provided with, and support boss and support pad foot bottom flush, tripod upper end threaded connection has the connecting seat, along three U type engaging lugs of the fixedly connected with of even equidistant fixedly connected with of connecting seat lateral wall circumference, be connected with connecting stud through the rotation of pin in the U type engaging lug, along the even equidistant three spread groove of having seted up of support boss bottom plate outward flange circumference, and the connecting stud upper end can pass the spread groove and extend to support the boss top, and the still spiro union of connecting stud upper end has the locking swivel nut, and the locking swivel nut diameter is greater than the connecting groove aperture.

The above prior art solutions have the following drawbacks: in order to ensure the sampling full-face shape and accuracy, the sampling measurement is usually carried out on the atmosphere in different areas, when the sampling instrument is moved to other places, the sampling instrument main body and the tripod are required to be separately stored and moved, the disassembly and the assembly of the sampling instrument main body and the tripod are troublesome, time and labor are consumed, the movement is difficult, and the sampling efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an atmosphere sampling instrument which can be conveniently moved and improve the working efficiency.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an atmosphere sampling instrument, includes the sampling instrument main part, fixes setting up in the storage holder and the three folding stabilizer blade of sampling instrument main part, the stabilizer blade includes upset pole and two frame shape poles, the one end and the storage holder of stabilizer blade are connected, the both ends of upset pole are rotated with two frame shape poles respectively and are connected, upset pole and frame shape pole pass through fixed establishment reciprocal anchorage, three the stabilizer blade sets up with the slope mutually back to the back, the storage holder is provided with the receiving mechanism that the stabilizer blade was accomodate after folding.

Through adopting above-mentioned technical scheme, when upset pole and frame shape pole expand each other and be straight rod-shaped attitude, utilize fixed establishment to fix the hookup location of upset pole and frame shape pole, make the stabilizer blade can incline to sampling instrument main part and storage seat, when needing to move the sampling instrument, fold upset pole and frame shape pole each other and receive, make two frame shape poles coincide each other, the folding receipts of upset pole are received between two frame shape poles, then utilize storage mechanism to accomodate the stabilizer blade after folding in the bottom surface position of storage seat, conveniently drive the sampling instrument and move, need not additionally carry out dismouting operation to sampling instrument main part and stabilizer blade, improve sampling efficiency.

The present invention in a preferred example may be further configured to: the fixing mechanism is arranged to be inserted into the column, the two sides, close to one end of the turnover rod, of the frame-shaped rod are provided with fixing blocks, the fixing blocks are provided with through holes, the insertion column penetrates through the through holes, the turnover rod is provided with insertion holes for inserting the insertion column, and the insertion column is connected with a telescopic spring for supporting the insertion column to be inserted into the insertion holes.

Through adopting above-mentioned technical scheme, promote and insert post compression expanding spring, make and insert the post and accomodate in the perforation inside, upset pole and frame shape pole can overturn the state that is parallel to each other, loosen the effort to inserting the post, and the expanding spring supports and inserts the post and stretch out the perforation and peg graft inside the jack, with frame shape pole and upset pole reciprocal anchorage, upset pole and frame shape pole can not overturn relatively, make stabilizer blade fixed stay sampling instrument main part.

The present invention in a preferred example may be further configured to: receiving mechanism includes that the three groove of accomodating that holds the stabilizer blade, it is three to accomodate the groove and set up along the middle part of accomodating the seat towards the edge, the stabilizer blade is provided with T shape draw runner, the lateral wall of accomodating the groove set up with T shape draw runner sliding connection's waist shape hole, the bottom surface of accomodating the groove just is located and accomodates the groove below and is provided with the peg of U-shaped, the peg is located three stabilizer blade one side that carries on the back mutually, T shape draw runner is located the one end that waist shape hole is close to the storage seat middle part, the stabilizer blade is seted up the draw-in groove with the mutual joint of peg towards the one side of peg, and is three the one end that the storage.

By adopting the technical scheme, in the sliding process of the support leg in the accommodating groove, the T-shaped sliding strip slides in the waist-shaped hole, the T-shaped sliding strip slides to one end position of the waist-shaped hole close to the middle part of the accommodating seat, the clamping groove and the hanging rod are clamped with each other to fix the support leg, so that the support leg obliquely supports the sampling instrument main body, and the hanging rod provides a fixing effect on the support leg; when the sampling instrument needs to be moved, the clamping groove and the hanging rod are separated from each other, the support legs are folded and collected and then stored in the avoiding groove, the sampling instrument main body and the support legs do not need to be additionally detached, and the movement is convenient.

The present invention in a preferred example may be further configured to: accomodate the groove and be close to the both sides edge of accomodating the seat bottom surface and be provided with the baffle that provides supporting role to the stabilizer blade of accomodating inslot portion, the both ends of baffle flush with the both ends in waist shape hole, the T shape draw runner is worn to locate between two baffles, the bottom surface of accomodating the seat is seted up and is accomodate the groove of dodging of the mutual coincidence of extension line in groove, it is linked together with accomodating the groove to dodge the groove, the accomodating seat is provided with the restriction stabilizer blade and breaks away from the stop mechanism who accomodates the.

Through adopting above-mentioned technical scheme, can accomodate in advance after folding the stabilizer blade and dodging inslot portion, then promote the stabilizer blade and move to accomodating inslot portion from dodging the groove horizontal migration to peg graft and being located the baffle top accomodating the inslot, the baffle provides the supporting role to the stabilizer blade, avoids the stabilizer blade to break away from and accomodates the groove, and stop mechanism blocks the stabilizer blade simultaneously, avoids the stabilizer blade to move to dodging the inslot portion from accomodating the groove, accomodates the stabilizer blade is fixed inside accomodating the inslot portion, conveniently moves.

The present invention in a preferred example may be further configured to: stop mechanism includes carousel and a plurality of pin, the bottom surface of storage seat just is located the three built-in groove of accomodating the groove and seting up the intercommunication and accomodate the groove and dodge the groove in the groove of overlapping each other position, the carousel rotates the tank bottom that sets up in built-in groove, the carousel flushes each other with the tank bottom of accomodating the groove, and is a plurality of the pin hoop sets up in the carousel, and is a plurality of the pin is located adjacent two respectively and accomodates the groove, adjacent two dodges the groove and accomodate the groove and dodge the built-in groove lateral wall between the groove, pin and carousel pass through the clamping mechanism restriction rotation.

By adopting the technical scheme, the turntable rotates in the built-in groove, the stop lever can be driven to move, when the support legs are accommodated in the accommodating groove, the turntable is rotated to enable the stop lever to move to the middle position of the accommodating groove, the stop lever and the support legs mutually form a blocking effect, the support legs can be prevented from being separated from the accommodating groove, the stop lever is fixed through the clamping mechanism, the stop lever can be prevented from rotating along with the turntable, and the stop lever is fixed in the middle of the accommodating groove; the clamping mechanism is released to enable the stop lever to move to the containing groove or the positions of the two sides of the containing groove along with the rotary table, the support legs can be separated from the containing groove to move to the inside of the containing groove, the support legs are separated from the baffle, then the containing groove is turned over, and the turnover rod and the frame-shaped rod can be mutually unfolded to support the sampling instrument main body.

The present invention in a preferred example may be further configured to: the clamping mechanism comprises a supporting spring and an inserting ball, a cavity is formed in the blocking rod, a clamping hole communicated with the cavity is formed in the side wall of the blocking rod, one end of the supporting spring is fixedly connected with the side wall of the cavity, the other end of the supporting spring is connected with the inserting ball, the diameter of the inserting ball is larger than that of the clamping hole, the clamping hole is extended out of one side of the inserting ball, which faces away from the supporting spring, of the inserting ball, an aligning groove clamped with the inserting ball is formed in the side wall of the built-in groove, and an embedding groove clamped with the inserting ball is formed in the supporting leg.

By adopting the technical scheme, when the stop lever moves to the middle position of the accommodating groove, the clamping hole is aligned with the embedding groove on the support leg, the support spring supports the inserting ball to extend out of the through hole and be clamped in the embedding groove, the stop lever is fixed, the stop lever is prevented from easily rotating along with the turntable, and the stop lever is fixed to prevent the support leg from being separated from the accommodating groove; when the pin removed to accomodate the groove or dodge the both sides position in groove, the card hole aligns each other with aiming at the groove, and supporting spring supports and inserts the ball and wears out the card hole and peg graft in aiming at inslot portion, fixes the pin, avoids the pin to follow the carousel and rotates and hinder the stabilizer blade and accomodate the groove and dodge and remove between the groove, convenient operation.

The present invention in a preferred example may be further configured to: the supporting legs are provided with moving blocks for pushing the supporting legs to move in the accommodating grooves.

Through adopting above-mentioned technical scheme, need promote the stabilizer blade and accomodate the groove and dodge when moving between the groove, can promote to move the piece and drive the stabilizer blade and remove, make things convenient for staff's operation.

The present invention in a preferred example may be further configured to: the turntable is provided with a plurality of round holes for fingers to insert.

By adopting the technical scheme, when the rotary table needs to be rotated to drive the stop lever to move, the round hole is used for fingers to insert, the rotary table is conveniently driven to rotate, and the operation is simple and convenient.

The present invention in a preferred example may be further configured to: the edges of the two sides of the clamping groove are in interference fit with the hanging rod.

Through adopting above-mentioned technical scheme, when mutually clamping draw-in groove and link, the both sides interval of draw-in groove slightly is less than the diameter of peg, makes both interference fit, can fix the peg inside the draw-in groove, avoids the peg to break away from the draw-in groove easily, strengthens the stabilizer blade to the support stability of sampling instrument main part.

The present invention in a preferred example may be further configured to: and a pull ring is fixedly arranged at one end of the inserting column, which is far away from the inserting hole, is positioned inside the through hole, and is flush with the side wall of the frame-shaped rod.

Through adopting above-mentioned technical scheme, utilize the pull ring to drive and insert the post and slide in the perforation inside, the fixed of convenient operation upset pole and frame shape pole with demolish, the pull ring is located the perforation inside, can avoid it to obstruct the stabilizer blade and accomodate at accomodating inslot portion.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when the turnover rod and the frame rod are unfolded to form a straight rod state, the connecting position of the turnover rod and the frame rod is fixed by the fixing mechanism, so that the stand bar can be inclined to the sampling instrument main body and the containing seat, when the sampling instrument needs to be moved, the turnover rod and the frame rod are folded and retracted mutually, so that the two frame rods are superposed with each other, the turnover rod is folded and retracted between the two frame rods, then the folded stand bar is contained in the bottom position of the containing seat by the containing mechanism, the sampling instrument is conveniently driven to move, the sampling instrument main body and the stand bar do not need to be additionally disassembled and assembled, and the sampling efficiency is improved;

2. the inserting column compression spring is pushed to enable the inserting column to be contained in the through hole, the overturning rod and the frame-shaped rod can be overturned to be in a parallel state, the acting force on the inserting column is loosened, the telescopic spring supports the inserting column to extend out of the through hole and be inserted into the inserting hole, the frame-shaped rod and the overturning rod are fixed with each other, the overturning rod and the frame-shaped rod cannot be overturned relatively, and the support leg is enabled to fixedly support the sampling instrument main body;

3. when the sampling instrument needs to be moved, the clamping groove and the hanging rod are separated from each other, the support leg can be stored in the avoiding groove in advance after being folded, then the support leg is pushed to move from the avoiding groove to the storing groove horizontally, so that the support leg is inserted into the storing groove and positioned above the baffle, the baffle provides a supporting effect for the support leg, the support leg is prevented from being separated from the storing groove, the support leg is fixedly stored in the storing groove, and the sampling instrument is convenient to move;

4. the carousel rotates at built-in inslot portion, can drive the pin and remove, accomodate the stabilizer blade when accomodating inslot portion, it makes the pin remove to receive the middle part position in groove to rotate the carousel, the pin blocks the effect with the stabilizer blade each other formation, can avoid the stabilizer blade to break away from and accomodate the groove, the pin is fixed through latch mechanism, can avoid the pin to follow the carousel and rotate, fix the pin at the middle part of accomodating the groove, it makes the pin follow the carousel and removes to accomodate the groove or dodge the both sides position in groove to relieve latch mechanism, the stabilizer blade can break away from and accomodate the groove and remove to dodge inslot portion, make the stabilizer blade break away from the baffle, then from dodging the groove upset and coming out, upset pole and frame shape pole can expand each other.

Drawings

FIG. 1 is a schematic diagram of an atmospheric sampling instrument;

FIG. 2 is a cross-sectional view of the leg;

FIG. 3 is a schematic view of an accommodation structure of an atmosphere sampling instrument;

fig. 4 is a partial mechanism schematic diagram of an atmosphere sampling instrument.

In the figure, 1, a sampler main body; 11. a storage seat; 111. a receiving groove; 112. a waist-shaped hole; 113. an avoidance groove; 114. a built-in groove; 115. a baffle plate; 116. aligning the groove; 117. a hanging rod; 2. a support leg; 21. a turning rod; 211. a jack; 22. a frame-shaped rod; 221. moving the block; 222. a card slot; 223. a fitting groove; 224. a T-shaped slide bar; 3. a fixed block; 31. perforating; 32. inserting a column; 321. a pull ring; 33. a tension spring; 4. a turntable; 41. a stop lever; 411. a cavity; 412. a clamping hole; 413. a support spring; 414. inserting a ball; 42. a circular hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the atmospheric sampling instrument disclosed by the invention comprises a sampling instrument main body 1 and three support legs 2, wherein a storage seat 11 is fixed below the sampling instrument main body 1, and the three support legs 2 are annularly and equidistantly arranged below the storage seat 11. Three stabilizer blade 2 inclines mutually to set up back to the back, and stabilizer blade 2 includes upset pole 21 and two frame shape poles 22, and the both ends of upset pole 21 are articulated each other with two frame shape poles 22 respectively, and the tip that upset pole 21 was kept away from to one of them frame shape pole 22 is connected with storage seat 11, and upset pole 21 and frame shape pole 22 pass through fixed establishment reciprocal anchorage. The turning rod 21 and the frame-shaped rod 22 can be mutually folded in a Z shape, the two frame-shaped rods 22 are mutually abutted when the two frame-shaped rods are folded, two ends of the two frame-shaped rods 22 are mutually flush, and the turning rod 21 is accommodated in the two frame-shaped rods 22.

Referring to fig. 2, fixed establishment sets up to inserting post 32, frame shape pole 22 extends towards the one end both sides of upset pole 21 has fixed block 3, two fixed blocks 3 are located the both sides of upset pole 21 respectively, seted up perforation 31 on the fixed block 3, it wears to locate perforation 31 to insert post 32, the length of inserting post 32 equals the length of perforation 31, the jack 211 that aligns each other with perforation 31 is all seted up to the both sides wall of upset pole 21, it pegs graft each other with jack 211 to insert the one end that perforation 31 was kept away from to post 32, with upset pole 21 and frame shape pole 22 reciprocal anchorage. The lateral wall cover that inserts post 32 is located perforation 31 is equipped with expanding spring 33, and expanding spring 33 is close to the one end of jack 211 and inserts post 32 interconnect, and expanding spring 33's the other end and perforation 31's lateral wall interconnect, and expanding spring 33 supports and inserts post 32 and peg graft inside jack 211, avoids inserting post 32 and breaks away from jack 211, improves upset pole 21 and frame shape pole 22's stability of being connected.

The one end of inserting post 32 far away from jack 211 is fixed with pull ring 321, and pull ring 321 is located perforation 31 inside, and pull ring 321 flushes each other with the lateral wall of frame shape pole 22, and pull ring 321 makes things convenient for the hand to drive and inserts post 32 and remove at perforation 31, conveniently dismantles the operation to turning rod 21 and frame shape pole 22.

Referring to fig. 3 and 4, a receiving mechanism is disposed on the bottom surface of the receiving seat 11, the receiving mechanism includes three receiving grooves 111 for receiving the folded support legs 2, the three receiving grooves 111 extend from the middle of the bottom surface of the receiving seat 11 toward the edge, three vertices of a regular triangle are formed at positions of the three receiving grooves 111 close to the edge of the receiving seat 11, the three receiving grooves 111 respectively coincide with three central lines of the regular triangle, and an intersection point of the three receiving grooves 111 is located at a position of a center of gravity of the regular triangle. Two opposite side walls of the accommodating groove 111 close to the edge of the accommodating seat 11 extend towards the middle to be provided with waist-shaped holes 112, a T-shaped slide bar 224 is fixed at the top end of the support leg 2, and two ends of the T-shaped slide bar 224 extending into the accommodating groove 111 are respectively in sliding connection with the waist-shaped holes 112 on two sides of the accommodating groove 111. The bottom surface of storage seat 11 is fixed with three peg 117 that are the U-shaped setting, and peg 117 is located the below of accomodating groove 111, and peg 117 is located three stabilizer blade 2 one side of the same back of the body mutually, and frame-shaped pole 22 that is close to storage seat 11 has seted up draw-in groove 222, and draw-in groove 222 is located the one side of frame-shaped pole 22 towards peg 117. When T shape draw runner 224 moves to the one end that waist shape hole 112 is close to storage holder 11 middle part, draw-in groove 222 and peg 117 mutual joint, three stabilizer blade 2 back of the body slope setting mutually, fixes stabilizer blade 2, makes stabilizer blade 2 inclined support storage holder 11 and sampling appearance main part 1.

The accommodating groove 111 is provided with an avoiding groove 113 communicated with each other along the extension line thereof, the length of the avoiding groove 113 is equal to that of the accommodating groove 111, and the three avoiding grooves 113 and the three accommodating grooves 111 are communicated with each other at the center of gravity positions of the regular triangle. The two side edges of the accommodating groove 111, which are positioned on the bottom surface of the accommodating seat 11, are vertically extended with baffle plates 115, the length of the baffle plates 115 is equal to that of the waist-shaped hole 112, the distance between the two baffle plates 115 is greater than the diameter of the T-shaped slide bar 224, the T-shaped slide bar 224 can slide between the two baffle plates 115, and the length of the accommodating groove 111 is greater than the sum of the lengths of the frame rod 22 and the T-shaped slide bar 224. After peg 117 breaks away from draw-in groove 222, demolish fixed establishment and can carry out folding operation to stabilizer blade 2, stabilizer blade 2 after folding can overturn the inside of dodging groove 113, and stabilizer blade 2 is taken in to accomodate groove 111 inside from dodging groove 113 propelling movement, reduces the occupation space of stabilizer blade 2, and baffle 115 provides the supporting role to stabilizer blade 2, can avoid stabilizer blade 2 to break away from and accomodate groove 111, and the convenience is moved the sampling instrument.

The engaging groove 222 is located at the edge of the side wall of the frame-shaped rod 22 and is in interference fit with the hanging rod 117, so that the hanging rod 117 is prevented from being easily separated from the engaging groove 222, and the supporting stability of the supporting leg 2 is enhanced.

The frame rod 22 close to the receiving seat 11 is fixed with a moving block 221, when the support leg 2 is received in the receiving groove 111, the moving block 221 extends out of the receiving groove 111 and abuts against one side of the baffle 115, and the support leg 2 can be driven to move between the receiving groove 111 and the avoiding groove 113 by pushing the moving block 221, so that the operation is facilitated.

Stabilizer blade 2 passes through blocking mechanism to be fixed in the inside of accomodating groove 111, and blocking mechanism includes carousel 4 and six pin 41, and the bottom surface of storage seat 11 just is located the three intercommunication point position of dodging groove 113 and three accomodating groove 111 and has seted up built-in groove 114, and carousel 4 is installed to built-in groove 114 internal rotation, and carousel 4 flushes each other with the tank bottom of accomodating groove 111 and dodging groove 113. Six stop levers 41 are vertically fixed on the edge of the rotating disk 4, the six stop levers 41 respectively abut against two adjacent avoidance grooves 113, two adjacent accommodating grooves 111 and the side wall of the built-in groove 114 between the accommodating groove 111 and the avoidance groove 113, and when the support leg 2 moves between the accommodating groove 111 and the extending groove, the support leg 2 can pass through between the two adjacent stop levers 41. The turntable 4 is rotated to make six stop levers 41 respectively located at the middle of the three accommodating grooves 111 and the three avoiding grooves 113, the stop levers 41 are mutually abutted with the support legs 2 located inside the accommodating grooves 111, the stop levers 41 and the support legs 2 mutually form a blocking effect, and the support legs 2 can be prevented from being separated from the accommodating grooves 111.

The turntable 4 is provided with a clamping mechanism for limiting the rotation of the turntable, the clamping mechanism comprises an inserting ball 414 and a supporting spring 413, a cavity 411 is formed in the blocking rod 41, a clamping hole 412 communicated with the cavity 411 is formed in one surface, facing the built-in groove 114, of the blocking rod 41, the supporting spring 413 is fixed on the side wall, away from the clamping hole 412, of the cavity 411, the other end of the supporting spring 413 is connected with the inserting ball 414, the diameter of the inserting ball 414 is larger than that of the clamping hole 412, and the inserting ball 414 is inserted into the through hole 31.

Six alignment slots 116 are formed in the side wall of the built-in slot 114, the alignment slots 116 are aligned with the locking holes 412, and the side of the insertion ball 414 extending out of the through hole 31 is locked with the alignment slots 116. The frame rod 22 far away from the storage seat 11 is provided with an embedding groove 223, the embedding groove 223 is located on one side of the storage seat 11, which faces away from the turnover rod 21, the rotary disc 4 is rotated, the inserting ball 414 is separated from the aligning groove 116 and then is stored in the cavity 411 under the action of force, the stop rod 41 is moved to the position where the support leg 2 is abutted, the embedding groove 223 is aligned with the clamping hole 412, the supporting spring 413 supports one side of the inserting ball 414 extending out of the clamping hole 412 and is clamped with the embedding groove 223, the rotary disc 4 and the support leg 2 are fixed with each other, the rotary disc 4 cannot rotate, and the support leg 2 can be prevented from being separated from the storage groove.

The bottom surface of the rotary table 4 is provided with a plurality of circular holes 42 in the circumferential direction, the circular holes 42 can be inserted by fingers, the rotary table 4 is conveniently driven to rotate to adjust the position of the stop lever 41, and when the stop lever 41 moves to the position where the clamping hole 412 and the alignment groove 116 are aligned with each other, the support leg 2 can move between the accommodating groove 111 and the avoiding groove 113; when the stopper lever 41 is moved to the position where the engaging hole 412 and the engaging groove 223 are aligned with each other, the leg 2 cannot be separated from the receiving groove 111, and the leg 2 is received.

The implementation principle of the embodiment is as follows: the turning rod 21 and the frame rod 22 are rotatably connected, when the turning rod 21 and the frame rod 22 are turned to be parallel to each other, the telescopic spring 33 is used for supporting the insertion column 32 to be inserted into the insertion hole 211, the turning rod 21 and the frame rod 22 are fixed to each other, and the support leg 2 is in an unfolded state. Move T shape draw runner 224 to the waist shape hole 112 and be close to the one end of dodging groove 113, draw-in groove 222 and peg 117 joint each other, fix stabilizer blade 2, T shape draw runner 224 can not slide in waist shape hole 112, and three stabilizer blade 2 back of the body slope support sampler main part 1 sampling operation. When the sampler needs to be moved, the clamping groove 222 and the hanging rod 117 are separated from each other, the pull ring 321 is pulled to separate the plug column 32 from the jack 211, the turnover rod 21 and the frame rod 22 can be folded with each other, the folded support leg 2 is stored in the avoiding groove 113 in advance, the support leg 2 is pushed into the containing groove 111 from the avoiding groove 113 by the moving block 221, the baffle 115 provides a supporting function for the support leg 2, and the support leg 2 is prevented from being separated from the containing groove 111. The rotating disc 4 drives the blocking rod 41 to move, the blocking rod 41 moves to the middle of the accommodating groove 111, the clamping hole 412 is aligned with the embedding groove 223, the supporting spring 413 supports the inserting ball 414 to penetrate through the clamping hole 412 and be clamped in the embedding groove 223, the blocking rod 41 is fixed, and the support leg 2 is fixedly accommodated in the accommodating groove 111. When moving the sampling instrument, this structure need not additionally carry out dismouting operation to sampling instrument main part 1 and stabilizer blade 2, can directly accomodate stabilizer blade 2 inside accomodating groove 111, conveniently moves.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. An atmosphere sampling instrument, characterized by: the sampling instrument comprises a sampling instrument main body (1), a containing seat (11) fixedly arranged on the sampling instrument main body (1) and three foldable support legs (2), wherein each support leg (2) comprises an overturning rod (21) and two frame-shaped rods (22), one end of each support leg (2) is connected with the containing seat (11), two ends of each overturning rod (21) are rotatably connected with the two frame-shaped rods (22) respectively, the overturning rods (21) and the frame-shaped rods (22) are fixed with each other through a fixing mechanism, and the three support legs (2) are arranged in an inclined mode in a back-to-back mode;

the storage seat (11) is provided with a storage mechanism for storing the folded support legs (2), the storage mechanism comprises three storage grooves (111) for storing the support legs (2), the three storage grooves (111) are formed along the middle part of the storage seat (11) towards the edge, one surface of each support leg (2) towards the hanging rod (117) is provided with a clamping groove (222) which is mutually clamped with the hanging rod (117), and one ends of the three support legs (2) far away from the storage seat (11) are oppositely and obliquely arranged;

the containing seat (11) is provided with a blocking mechanism for limiting the support leg (2) to be separated from the containing groove (111), the blocking mechanism comprises a rotary table (4) and a plurality of stop rods (41), a built-in groove (114) which is communicated with the accommodating groove (111) and the avoiding groove (113) is arranged on the bottom surface of the accommodating seat (11) and at the position where the three accommodating grooves (111) are mutually overlapped, the carousel (4) rotates and sets up in the tank bottom of built-in groove (114), carousel (4) flushes each other with the tank bottom of accomodating groove (111), and is a plurality of pin (41) hoop sets up in carousel (4), and is a plurality of pin (41) are located two adjacent accomodating grooves (111), two adjacent dodge groove (113) and accomodate groove (111) and dodge built-in groove (114) lateral wall between groove (113) respectively, the stop lever (41) and the rotary disc (4) are limited to rotate through a clamping mechanism.

2. An atmospheric sampling instrument as defined in claim 1, wherein: the fixing mechanism is arranged to be inserted into a column (32), two sides, close to one end of the turnover rod (21), of the frame-shaped rod (22) are provided with fixing blocks (3), the fixing blocks (3) are provided with through holes (31), the insertion columns (32) penetrate through the through holes (31), the turnover rod (21) is provided with insertion holes (211) for inserting the column (32) in a inserting mode, and the insertion columns (32) are connected with expansion springs (33) which support the insertion columns to be inserted into the insertion holes (211).

3. An atmospheric sampling instrument as defined in claim 1, wherein: stabilizer blade (2) are provided with T shape draw runner (224), the waist shape hole (112) with T shape draw runner (224) sliding connection is seted up to the lateral wall of accomodating groove (111), the bottom surface of accomodating groove (111) just is located and accomodates groove (111) below and is provided with peg (117) of U-shaped, peg (117) are located three stabilizer blade (2) one side of carrying on the back mutually, T shape draw runner (224) are located waist shape hole (112) and are close to the one end at storage seat (11) middle part.

4. An atmosphere sampler according to claim 3, wherein: accomodate both sides edge that groove (111) is close to and accomodate seat (11) bottom surface and be provided with baffle (115) that provide supporting role to taking in stabilizer blade (2) of groove (111) inside, the both ends of baffle (115) flush with the both ends in waist shape hole (112), T shape draw runner (224) are worn to locate between two baffle (115), the groove (113) of dodging of the extension line coincidence each other of taking in groove (111) is seted up and is taken in the bottom surface of taking in seat (11), dodge groove (113) and take in groove (111) and be linked together.

5. An atmospheric sampling instrument as defined in claim 1, wherein: clamping mechanism includes supporting spring (413) and inserts ball (414), cavity (411) have been seted up in pin (41), card hole (412) that are linked together with cavity (411) are seted up to the lateral wall of pin (41), the one end and cavity (411) lateral wall fixed connection of supporting spring (413), the other end with insert ball (414) and connect, the diameter of inserting ball (414) is greater than the diameter of card hole (412), one side of inserting ball (414) back to supporting spring (413) stretches out card hole (412), alignment groove (116) with inserting ball (414) mutual joint are seted up to the lateral wall of built-in groove (114), gomphosis groove (223) with inserting ball (414) mutual joint are seted up in stabilizer blade (2).

6. An atmosphere sampler according to claim 4, wherein: the supporting leg (2) is provided with a moving block (221) for pushing the supporting leg (2) to move in the accommodating groove (111).

7. An atmospheric sampling instrument as defined in claim 1, wherein: the rotary disc (4) is provided with a plurality of round holes (42) for fingers to insert.

8. An atmosphere sampler according to claim 3, wherein: the edges of two sides of the clamping groove (222) are in interference fit with the hanging rod (117).

9. An atmospheric sampling instrument as defined in claim 2, wherein: and one end of the inserting column (32) far away from the inserting hole (211) is fixedly provided with a pull ring (321), the pull ring (321) is positioned in the through hole (31), and the pull ring (321) is flush with the side wall of the frame-shaped rod (22).