CN214952466U

CN214952466U - Portable atmospheric sampling device

Info

Publication number: CN214952466U
Application number: CN202121017772.8U
Authority: CN
Inventors: 丁博; 孙云露; 李燕斌; 郭园园; 关丽娜; 王美丽; 邹龙; 任璐; 任贺; 郝春梅; 关鹤
Original assignee: Liaoning Zhongtian Physicochemical Analysis And Testing Co ltd
Current assignee: Liaoning Zhongtian Physicochemical Analysis And Testing Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-11-30
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a portable atmospheric sampling device, the output end of an air pump is fixedly connected with one end of a transmission pipe, the other end of the transmission pipe is fixedly connected with an air duct, the transmission pipe penetrates through the upper side wall of a sampling box and extends to an inner cavity, the left side wall and the right side wall of the sampling box are symmetrically and fixedly provided with mounting rods through a mounting frame, the back side wall and the side wall of the two mounting rods are symmetrically and symmetrically laminated with a connecting plate, the length of a supporting leg can be adjusted according to the sampling position, the sampling process of related personnel is facilitated, then, a plurality of groups of samples can be simultaneously collected by controlling a switch to control a solenoid valve, the atmospheric detection is more convenient, the accuracy of the detection result is improved according to the comparison of the plurality of groups of samples, the supporting leg is taken in the mounting rod after the sampling is finished, the volume of the sampling device is reduced, and the carrying of the related personnel is more convenient, brings convenience to the operation process of related personnel.

Description

Portable atmospheric sampling device

Technical Field

The utility model relates to an atmospheric sampling technical field specifically is a portable atmospheric sampling device.

Background

Atmospheric pollution refers to the phenomenon that the content of some substances in the atmosphere reaches harmful degree to destroy an ecosystem and the condition for normal survival and development of human beings, and harm is caused to people or objects, atmospheric pollutants enter the atmosphere from a human source or a natural source, participate in the circulation process of the atmosphere, are removed from the atmosphere through chemical reaction, biological activity and physical sedimentation in the atmosphere after certain residence time, and when the atmospheric pollution degree is detected, a certain sample needs to be adopted for analysis, so that a portable atmospheric sampling device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable atmospheric sampling device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a portable atmospheric sampling device comprises a sampling box, wherein an air pump is fixedly mounted on the upper side wall of the sampling box, the output end of the air pump is fixedly connected with one end of a transmission pipe, the other end of the transmission pipe is fixedly connected with an air guide pipe, the transmission pipe penetrates through the upper side wall of the sampling box and extends to an inner cavity, the air guide pipe is fixedly mounted on the inner side wall of the sampling box, sampling bottles are uniformly and symmetrically fixedly connected to the lower side wall of the air guide pipe through electromagnetic valves, the sampling bottles are uniformly and symmetrically fixedly mounted on the inner side wall of the sampling box, mounting rods are symmetrically and fixedly mounted on the left side wall and the right side wall of the sampling box through mounting frames, connecting plates are symmetrically attached to the opposite side walls of the two mounting rods, clamping blocks are fixedly connected to the opposite side walls of the two connecting plates symmetrically through connecting rods, and clamping openings are formed in the opposite side walls of the two mounting rods, the clamping block is clamped in an inner cavity of the bayonet, the upper side wall and the lower side wall of the mounting rod are symmetrically and fixedly provided with nut seats, the nut seats are connected with threaded rods through nut threads, the two threaded rods are attached to the outer side wall of the connecting plate in an up-down symmetrical mode, the outer side wall of the clamping block is clamped with clamping rods, the clamping rods penetrate through the left side wall of the sleeve rod and extend to the inner cavity, the opposite side walls of the two clamping rods are symmetrically and fixedly connected with one ends of sliding blocks, the sliding blocks are connected to the inner side wall of the sleeve rod in a sliding mode, the opposite side walls of the two sliding blocks are fixedly connected with one ends of springs in a symmetrical mode, the other ends of the springs are fixedly connected to the inner side wall of the sleeve rod, the sleeve rod is fixedly arranged on the upper side wall of the supporting leg, the supporting leg penetrates through the lower side wall of the mounting rod and extends to the outside, and the inner side wall of the mounting rod is fixedly provided with an ejector block, the top block is attached to the lower side wall of the clamping block.

Preferably, the fixed mounting of the equal symmetry of the left and right sides wall of sampling box has first exhaust pipe, two first exhaust pipe runs through respectively in the lateral wall of sampling box in proper order and extends to the inner chamber of air duct, the sliding connection of the inside wall bilateral symmetry of air duct has first top stopper, two the one end of the first top gag lever post of fixedly connected with of the equal symmetry of the opposite side wall of first top stopper, two the other end fixed mounting of first top gag lever post has first pull rod, two first top gag lever post symmetry respectively run through in the left and right sides wall of sampling box extends to the outside.

Preferably, the inside wall sliding connection of sampling bottle has the second top stopper, the lower lateral wall fixedly connected with second top stopper pole's of second top stopper one end, the other end fixed mounting of second top stopper pole has the second pull rod, second top stopper pole run through in proper order the sampling bottle the lower lateral wall with the lower lateral wall of sampling box extends to the outside, the lower lateral wall fixedly connected with second exhaust pipe's of sampling bottle one end, the other end of second exhaust pipe run through in proper order the lower lateral wall of sampling bottle with the lower lateral wall of sampling box.

Preferably, the upper side wall fixed mounting of loop bar has the link, the inside wall fixed mounting of link has the connecting axle, the lateral wall swing joint of connecting axle has the gear, the lateral wall transmission of gear is connected with the rack, the right side wall longitudinal symmetry of rack is through the inside wall of support frame fixed mounting at the installation pole.

Preferably, the fixed mounting of the even symmetry of preceding lateral wall of sampling box has the fixing base, the fixing base embeds there is control switch, the preceding lateral wall fixed mounting of sampling box has the battery case, the preceding lateral wall fixed mounting of battery case has the mouth that charges, the battery case embeds there is the battery.

Preferably, the lower side wall of the supporting leg is fixedly provided with a supporting block, and the lower side wall of the supporting block is fixedly provided with an anti-skid pad.

Preferably, a handle is fixedly arranged on the upper side wall of the sampling box.

Preferably, the outer side wall of the second top plug is sleeved with a rubber ring.

Compared with the prior art, the beneficial effects of the utility model are that: a portable atmospheric sampling device, the loop bar is driven to move on the surface of a clamping block when a support leg moves, a clamping rod pushes a spring to compress and generate elasticity when passing through the inclined edge of the clamping block, when the clamping rod moves between two adjacent clamping blocks, the elasticity of the spring is utilized to drive the clamping rod to be clamped at the lower end of the corresponding clamping block, so that the support leg is fixed, the support leg is prevented from moving upwards, the stability of the sampling process is ensured, the length of the support leg can be adjusted according to the sampling position, the sampling process of related personnel is facilitated, then a plurality of groups of samples can be collected simultaneously by controlling a switch to control an electromagnetic valve, the atmospheric detection is more convenient, the accuracy of the detection result is improved according to the comparison of the plurality of groups of samples, then two threaded rods are respectively rotated, the threaded rods are moved away from the surface of a connecting plate, and then the connecting plate drives the clamping blocks to move, the clamping blocks are taken out from the inside of the mounting rod along with the connection rod penetrating through the bayonet, then the supporting leg is pushed to be taken in the mounting rod, the size of the sampling device is reduced, the carrying of relevant personnel is more convenient, the operation process of the relevant personnel is facilitated, the air in the air guide pipe is discharged through the first exhaust pipes by the two first top plugs, the influence of the air in the air guide pipe on the detection result is prevented, the accuracy of the detection result is improved, the second top plug rod is driven to move by the second pull rod, the second top plug rod drives the second top plug to be attached and slide on the inner wall of the sampling bottle, the air in the air guide pipe is discharged through the second exhaust pipe, the mixing of the air in the air guide pipe and an atmosphere sample is avoided, the influence on the detection result is avoided, the gear is driven to move along the rack by the connecting frame when the height of the supporting leg is adjusted, and the stability of the supporting leg adjusting process is ensured by the meshing of the gear and the rack, thereby ensuring the stability of the sampling process.

Drawings

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

Fig. 2 is the utility model discloses sampling box part structure cross-sectional view.

Fig. 3 is a sectional view of the structure of the mounting rod part of the present invention.

Description of reference numerals: 1. sampling box, 2, installation rod, 3, transmission pipe, 4, supporting leg, 5, second pull rod, 6, first pull rod, 7, second exhaust pipe, 8, threaded rod, 9, connecting plate, 10, control switch, 11, battery box, 12, charging port, 13, mounting rack, 14, rack, 15, handle, 16, support frame, 17, air pump, 18, fixing seat, 19, support block, 20, non-slip mat, 21, sampling bottle, 22, bayonet, 23, fixture block, 24, first plunger rod, 25, air duct, 26, first plunger, 27, first exhaust pipe, 28, solenoid valve, 29, rubber ring, 30, second plunger, 31, second plunger rod, 32, connecting shaft, 33, gear, 34, connecting frame, 35, spring, 36, clamping rod, 37, loop bar, 38, slide block, 39, connecting rod, 40, nut seat, 41, and plunger block.

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 to 3, the present invention provides a technical solution: a portable atmospheric sampling device comprises a sampling box 1, an air pump 17 is fixedly arranged on the upper side wall of the sampling box 1, the air pump 17 is electrically connected with a storage battery through a wire, the air pump 17 is supplied with power through the storage battery, one end of a transmission pipe 3 is fixedly connected with the output end of the air pump 17, the other end of the transmission pipe 3 is fixedly connected with an air duct 25, the transmission pipe 3 penetrates through the upper side wall of the sampling box 1 and extends to an inner cavity, one end of the transmission pipe 3 is communicated with the output end of the air pump 17 in a sealing manner, the other end of the transmission pipe 3 penetrates through the upper surface of the sampling box 1 and extends to the inside to be communicated with the inlet of the upper surface of the air duct 25 in a sealing manner, the transmission pipe 3 is fixedly inserted in the through hole, the input end of the air pump 17 is connected with a pipe fitting for collecting atmosphere in a sealing manner, the air duct 25 is fixedly arranged on the inner side wall of the sampling box 1, the air duct 25 is fixed at the uppermost end of the inner cavity of the sampling box 1, the lower side wall of the air duct 25 is uniformly and symmetrically fixedly connected with sampling bottles 21 through electromagnetic valves 28, the sampling bottles 21 are uniformly and symmetrically fixedly installed on the inner side wall of the sampling box 1, at least three sampling bottles 21 are sequentially fixed on the inner wall of the lower surface of the sampling box 1, the upper surface of each sampling bottle 21 is provided with an inlet, the inlet on the upper surface of each sampling bottle 21 is hermetically communicated with one end of the electromagnetic valve 28, the lower surface of the air duct 25 is uniformly provided with three outlets, each outlet is hermetically communicated with the other end of the corresponding electromagnetic valve 28, the left side wall and the right side wall of the sampling box 1 are symmetrically and fixedly provided with mounting rods 2 through mounting frames 13, the back-to-side walls of the two mounting rods 2 are symmetrically attached with connecting plates 9, the opposite side walls of the two connecting plates 9 are symmetrically and fixedly connected with clamping blocks 23 through connecting rods 39, and the back-to-side walls of the two mounting rods 2 are symmetrically provided with clamping openings 22, the fixture block 23 is clamped in the inner cavity of the bayonet 22, a plurality of bayonets 22 with the same size are uniformly arranged on the back and face surfaces of the two mounting rods 2, the size of the bayonet 22 corresponds to the shape of the fixture block 23, the fixture block 23 can penetrate through the bayonet 22 to enter the inner cavity of the mounting rod 2, when the fixture block 23 is positioned in the inner cavity of the mounting rod 2, the connecting rod 39 is positioned in the inner cavity of the bayonet 22, the fixture blocks 23 are sequentially and uniformly fixed on the connecting plate 9 through the connecting rod 39, the fixture block 23 has a limiting effect, the section of the fixture block 23 is in a right-angled triangle shape, one right-angled edge is attached to the inner wall of the mounting rod 2, the upper side wall and the lower side wall of the mounting rod 2 are symmetrically and fixedly provided with nut seats 40, the nut seats 40 are connected with threaded rods 8 through nut threads, the threaded rods 8 are vertically and symmetrically attached to the outer surface of one side of the connecting plate 9, and nuts are arranged inside the nut seats 40, the nut in the nut seat 40 is connected with the threaded rod 8 through threads, the outer side wall of the clamping block 23 is clamped with a clamping rod 36, the clamping rod 36 penetrates through the left side wall of the sleeve rod 37 and extends to the inner cavity, the opposite side walls of the two clamping rods 36 are symmetrically and fixedly connected with one end of a sliding block 38, the sliding block 38 is connected with the inner side wall of the sleeve rod 37 in a sliding mode, the opposite side walls of the two sliding blocks 38 are symmetrically and fixedly connected with one end of a spring 35, the other end of the spring 35 is fixedly connected with the inner side wall of the sleeve rod 37, the lower surface of the clamping block 23 is clamped with the clamping rod 36, the contact surface of the clamping rod 36 and the clamping block 23 is in a circular shape, the friction force during clamping is reduced, one end of the clamping rod 36 is fixedly connected with the sliding block 38 in the inner cavity of the sleeve rod 37, the other end of the clamping rod 36 penetrates through the surface of the sleeve rod 37 to extend to the outside and is clamped below the clamping block 23, and the clamping rod 36 slides in a through hole, the slide block 38 is driven to move by the elasticity of the spring 35, so that the slide block 38 pushes the clamping rod 36 to move to limit the landing leg 4, the loop bar 37 is fixedly installed on the upper side wall of the landing leg 4, the landing leg 4 penetrates through the lower side wall of the installation rod 2 and extends to the outside, the landing leg 4 slides in the through hole of the installation rod 2, the length of the loop bar 37 is larger than the diameter of the through hole, the landing leg 4 is limited by the loop bar 37 to prevent the landing leg 4 from falling from the through hole, the inner side wall of the installation rod 2 is fixedly provided with the ejector block 41, the ejector block 41 is fixed on the inner wall of the lower surface of the installation rod 2 and is close to one side of the bayonet 22, the upper surface of the ejector block 41 is ensured to be attached to the lower surface of the clamping block 23 at the lowest end by the shape and size, the connecting plate 9 is prevented from driving the clamping blocks 23 to fall, when the atmosphere is sampled, the connecting plates 9 are used for driving the connecting rods 39 to move, the connecting rod 39 drives the clamping block 23 to penetrate through the bayonet 22 and enter the mounting rod 2, then the two threaded rods 8 are rotated, the threaded rods 8 are clamped on the surface of the connecting plate 9, the clamping block 23 is fixed by fixing the position of the connecting plate 9, then the supporting legs 54 are moved outwards in the mounting rod 2, the sleeve rod 37 is driven to move on the surface of the clamping block 23 when the supporting legs 4 move, the clamping rod 36 pushes the spring 35 to compress and generate elastic force when passing through the inclined edge of the clamping block 23, when the clamping rod 36 moves between two adjacent clamping blocks 23, the elastic force of the spring 35 drives the clamping rod 36 to be clamped at the lower end of the corresponding clamping block 23, so that the supporting legs 4 are fixed, the supporting legs 4 are prevented from moving upwards, the stability of a sampling process is ensured, the length of the supporting legs 4 can be adjusted according to the sampling position, and convenience is brought to the sampling process of related personnel, then the control switch 10 controls two of the electromagnetic valves 28 to close, then the air pump 17 is connected to a power supply, the air sample is pumped into the transmission pipe 3 through the inlet at the upper end by the air pump 17, the air sample is transmitted into the air duct 25 through the transmission pipe 3, then enters the corresponding sampling bottle 21 through the corresponding opened electromagnetic valve 28, the sample is collected, then the electromagnetic valve 28 of the sampling bottle 21 is closed by the control switch 10, then the other two electromagnetic valves 28 are respectively opened in sequence, the atmosphere is sampled and collected again, the electromagnetic valve 28 is closed by the control switch 10 after the collection is finished, the air pump 17 is powered off and closed, so that a plurality of groups of samples can be collected simultaneously, the atmosphere detection is more convenient, the accuracy of the detection result is improved according to the comparison of the plurality of groups of samples, then the two threaded rods 8 are respectively rotated, move away threaded rod 8 from the surface of connecting plate 9, then drive a plurality of fixture blocks 23 through connecting plate 9 and remove for a plurality of fixture blocks 23 pass bayonet 22 along with connecting rod 39 and take out from the inside of installation pole 2, later promote landing leg 4, with landing leg 4 income in the inside of installation pole 2, reduce sampling device's volume, it is more convenient when making relevant personnel carry, bring the facility for relevant personnel's operation process.

Specifically, the left and right side walls of the sampling box 1 are symmetrically and fixedly provided with first exhaust pipes 27, the two first exhaust pipes 27 respectively penetrate through the side walls of the sampling box 1 and extend to the inner cavity of the air duct 25, one end of each first exhaust pipe 27 is arranged outside the sampling box 1, the other end of each first exhaust pipe 27 simultaneously penetrates through the side walls of the sampling box 1 and the air duct 25 and extends to the inside of the air duct 25, the first exhaust pipes 27 are fixedly embedded in the penetrating holes, the inner side walls of the air duct 25 are bilaterally and symmetrically and slidably connected with first top plugs 26, the two first top plugs 26 are simultaneously attached to the inner wall of the air duct 25 and slide, the back side walls of the two first top plugs 26 are symmetrically and fixedly connected with one ends of first top plug rods 24, the other ends of the two first top plug rods 24 are fixedly provided with first pull rods 6, and play a role in limiting through the first pull rods 6, prevent that first ejector pin rod 24 from slipping into the inside of air duct 25, it is more convenient when making the operation, two first ejector pin rods 24 are symmetrical respectively and run through in the left and right sides wall of sampling box 1 and extend to the outside, two first ejector pin rods 24 slide in respective through-hole respectively, when carrying out the atmosphere sampling, drive two first ejector pin rods 24 respectively through two first pull rods 6 and slide in the through-hole, it slides at the inner wall of air duct 25 to drive ejector pin 26 through first ejector pin rod 24, through the inside air of two first ejector pin rods 26 with air duct 25 through first exhaust pipe 27 discharges, prevent that inside air from causing the influence to the testing result, the accuracy of testing result has been improved.

Specifically, the inner side wall of the sampling bottle 21 is slidably connected with a second plunger 30, the lower side wall of the second plunger 30 is fixedly connected with one end of a second plunger rod 31, the other end of the second plunger rod 31 is fixedly provided with a second pull rod 5, the second plunger rod 31 sequentially penetrates through the lower side wall of the sampling bottle 21 and the lower side wall of the sampling box 1 and extends to the outside, the second plunger rod 31 slides in the through hole, the lower side wall of the sampling bottle 21 is fixedly connected with one end of a second exhaust pipe 7, the other end of the second exhaust pipe 7 sequentially penetrates through the lower side wall of the sampling bottle 21 and the lower side wall of the sampling box 1, one end of the second exhaust pipe 7 is arranged inside the sampling bottle 21, the other end of the second exhaust pipe 7 penetrates through the lower surface of the sampling bottle 21 and the lower surface of the sampling box 1 and extends to the outside, the second exhaust pipe 7 is simultaneously fixedly embedded and arranged in the through hole, before atmospheric sampling, drive second top stopper rod 31 through second pull rod 5 and remove for second top stopper rod 31 drives second top stopper 30 and slides in the inner wall laminating of sampling bottle 21, passes through second blast pipe 7 with inside air and discharges, avoids inside air and the atmosphere sample that contains to mix, avoids causing the influence to the testing result.

Specifically, the upper side wall fixed mounting of loop bar 37 has link 34, the inside wall fixed mounting of link 34 has connecting axle 32, the outside wall swing joint of connecting axle 32 has gear 33, gear 33 is at the surface of connecting axle 32, use connecting axle 32 to rotate as the center, the outside wall transmission of gear 33 is connected with rack 14, the right side wall longitudinal symmetry of rack 14 passes through support frame 16 fixed mounting at the inside wall of erection rod 2, the tooth of rack 14 surface and the tooth intermeshing of gear 33 surface are guaranteed to the position of support frame 16, can drive gear 33 through link 34 and remove along rack 14 when landing leg 4 height-adjusting, guarantee the stability of landing leg 4 accommodation process through the mutual interlock of gear 33 and rack 14, thereby the stability of sampling process has been guaranteed.

Specifically, the preceding lateral wall fixed mounting of sampling box 1 has battery case 11, and the preceding lateral wall fixed mounting of battery case 11 has charging mouth 12, and battery case 11 embeds there is the battery, and charging mouth 12 passes through wire and battery electric connection, charges to the battery through charging mouth 12, and the output of battery passes through wire and aspiration pump 17 and solenoid valve 28 electric connection respectively.

Specifically, a supporting block 19 is fixedly mounted on the lower side wall of the supporting leg 4, an anti-slip pad 20 is fixedly mounted on the lower side wall of the supporting block 19, and the friction force between the supporting block 19 and the ground is increased through the anti-slip pad 20, so that the stability of the sampling process is ensured.

Particularly, the fixed mounting of the even symmetry of preceding lateral wall of sampling box 1 has fixing base 18, and fixing base 18 embeds there is control switch 10, and control switch 10's quantity is corresponding with the quantity of solenoid valve 28, and control switch 10 passes through wire and 28 electric connection of solenoid valve, controls solenoid valve 28, and the last lateral wall fixed mounting of sampling box 1 has handle 15, makes sampling device more convenient when removing and carrying through handle 15.

Particularly, the lateral wall of second top plug 30 has cup jointed rubber circle 29, through rubber circle 29 increase the leakproofness of second top plug 30 when the inner wall of sampling bottle 21 slides for inside air more thorough discharge improves the accuracy of testing result.

The working principle is as follows: before sampling the atmosphere, the second push-plug rod 31 is driven to move by the second pull rod 5, so that the second push-plug rod 31 drives the second push-plug 30 to be attached and slide on the inner wall of the sampling bottle 21, the air in the sampling bottle 21 is discharged through the second exhaust pipe 7, then the two first pull rods 6 respectively drive the two first push-plug rods 24 to slide in the through holes, the first push-plug rod 24 drives the push-plug 26 to slide on the inner wall of the air duct 25, the two first push-plugs 26 discharge the air in the air duct 25 through the first exhaust pipe 27, when sampling the atmosphere, the connecting rods 39 are driven to move by the connecting plate 9, so that the connecting rods 39 drive the fixture blocks 23 to pass through the bayonet 22 and enter the inside of the mounting rod 2, then the two threaded rods 8 are rotated, the threaded rods 8 are clamped on the surface of the connecting plate 9, the fixture blocks 23 are fixed, then the supporting legs 54 are moved outwards in the inside of the mounting rod 2, the landing leg 4 drives the loop bar 37 to move on the surface of the fixture block 23 when moving, the clamping bar 36 pushes the spring 35 to compress and generate elastic force when passing through the inclined edge of the fixture block 23, when the clamping bar 36 moves between two adjacent fixture blocks 23, the elastic force of the spring 35 drives the clamping bar 36 to be clamped at the lower end of the corresponding fixture block 23, so that the landing leg 4 is fixed, the landing leg 4 is prevented from moving upwards, the length of the landing leg 4 can be adjusted according to the sampling position, the friction force between the supporting block 19 and the ground is increased through the anti-skid pad 20, the device is stably supported by using a plurality of landing legs 4, then the two electromagnetic valves 28 are controlled to be closed through the control switch 10, then the air suction pump 17 is connected to the power supply, the atmospheric sample is sucked into the transmission pipe 3 through the inlet at the upper end, and is transmitted to the inside of the air duct 25 through the transmission pipe 3, then enter into the inside of the sampling bottle 21 that corresponds through the solenoid valve 28 that corresponds to open, collect the sample, later close the solenoid valve 28 of this sampling bottle 21 through control switch 10, later open another two solenoid valves 28 respectively in proper order, sample again and collect the atmosphere, close solenoid valve 28 through control switch 10 after the collection is finished, close air pump 17 cuts off the power supply, later rotate two threaded rods 8 respectively, remove threaded rod 8 from the surface of connecting plate 9, then drive a plurality of fixture blocks 23 through connecting plate 9 and remove, make a plurality of fixture blocks 23 pass bayonet 22 along with connecting rod 39 and take out from the inside of installing rod 2, later promote landing leg 4, income landing leg 4 in the inside of installing rod 2, reduce the volume of sampling device, make the sampling device conveniently carry.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A portable atmospheric sampling device, includes sampling case (1), its characterized in that: the utility model discloses a sampling device, including sampling box (1), last side wall fixed mounting of sampling box (1) has aspiration pump (17), the output fixedly connected with of aspiration pump (17) transmits the one end of pipe (3), the other end fixedly connected with air duct (25) of transmission pipe (3), transmission pipe (3) run through in the last side wall of sampling box (1) and extend to the inner chamber, air duct (25) fixed mounting is in the inside wall of sampling box (1), the even symmetrical sampling bottle (21) of passing through solenoid valve (28) of the even symmetry of the lower side wall of air duct (25), the even symmetrical fixed mounting of sampling bottle (21) in the inside wall of sampling box (1), the equal symmetrical installation pole (2) of passing through mounting bracket (13) of the equal symmetry of the both sides wall of sampling box (1), two the equal symmetrical laminating of the opposite side wall of installation pole (2) has connecting plate (9), the opposite side walls of the two connecting plates (9) are symmetrically and fixedly connected with clamping blocks (23) through connecting rods (39), bayonets (22) are symmetrically arranged on the opposite side walls of the two mounting rods (2), the clamping blocks (23) are clamped in the inner cavities of the bayonets (22), nut seats (40) are symmetrically and fixedly mounted on the upper side wall and the lower side wall of the mounting rods (2), the nut seats (40) are connected with threaded rods (8) through nut threads, the two threaded rods (8) are symmetrically and vertically attached to the outer side wall of the connecting plates (9), clamping rods (36) are clamped on the outer side wall of the clamping blocks (23), the clamping rods (36) penetrate through the left side wall of the sleeve rod (37) and extend to the inner cavities, one ends of sliding blocks (38) are fixedly connected to the opposite side walls of the two clamping rods (36) symmetrically, and the sliding blocks (38) are connected to the inner side walls of the sleeve rod (37) in a sliding manner, two fixedly connected with spring (35)'s that the relative lateral wall of slider (38) is equal to the symmetry one end, the other end fixed connection of spring (35) is in the inside wall of loop bar (37), loop bar (37) fixed mounting is at the last lateral wall of landing leg (4), landing leg (4) run through in the lower lateral wall of installation pole (2) and extend to the outside, the inside wall fixed mounting of installation pole (2) has kicking block (41), kicking block (41) laminating is in the lower lateral wall of fixture block (23).

2. A portable atmospheric sampling device as recited in claim 1, wherein: fixed mounting of the equal symmetry of the left and right sides wall of sampling box (1) has first exhaust pipe (27), two first exhaust pipe (27) run through in the lateral wall of sampling box (1) respectively in proper order and extend to the inner chamber of air duct (25), the sliding connection of the inside wall bilateral symmetry of air duct (25) has first top stopper (26), two the one end of the first top stopper pole of fixedly connected with (24) of the equal symmetry of the back to the lateral wall of first top stopper (26), two the other end fixed mounting of first top stopper pole (24) has first pull rod (6), two run through of first top stopper pole (24) symmetry respectively in the left and right sides wall of sampling box (1) extends to the outside.

3. A portable atmospheric sampling device as recited in claim 2, wherein: the inside wall sliding connection of sampling bottle (21) has second top stopper (30), the one end of the lower side wall fixedly connected with second top stopper pole (31) of second top stopper (30), the other end fixed mounting of second top stopper pole (31) has second pull rod (5), second top stopper pole (31) run through in proper order in the lower lateral wall of sampling bottle (21) with the lower lateral wall of sampling box (1) extends to the outside, the one end of lower side wall fixedly connected with second blast pipe (7) of sampling bottle (21), the other end of second blast pipe (7) run through in proper order in the lower lateral wall of sampling bottle (21) with the lower lateral wall of sampling box (1).

4. A portable atmospheric sampling device as recited in claim 1, wherein: the utility model discloses a mounting rod, including loop bar (37), the last lateral wall fixed mounting of loop bar (37) has link (34), the inside wall fixed mounting of link (34) has connecting axle (32), the lateral wall swing joint of connecting axle (32) has gear (33), the lateral wall transmission of gear (33) is connected with rack (14), the right side wall longitudinal symmetry of rack (14) passes through the inside wall of support frame (16) fixed mounting at installation pole (2).

5. A portable atmospheric sampling device as recited in claim 1, wherein: the fixed mounting of the even symmetry of preceding lateral wall of sampling box (1) has fixing base (18), fixing base (18) embeds there is control switch (10), the preceding lateral wall fixed mounting of sampling box (1) has battery case (11), the preceding lateral wall fixed mounting of battery case (11) has mouth (12) of charging, battery case (11) embeds there is the battery.

6. A portable atmospheric sampling device as recited in claim 1, wherein: the lower side wall of landing leg (4) fixed mounting have supporting shoe (19), the lower side wall fixed mounting of supporting shoe (19) has slipmat (20).

7. A portable atmospheric sampling device as recited in claim 1, wherein: and a handle (15) is fixedly arranged on the upper side wall of the sampling box (1).

8. A portable atmospheric sampling device as recited in claim 3, wherein: and the outer side wall of the second top plug (30) is sleeved with a rubber ring (29).