CN218212223U

CN218212223U - Air sampler for building indoor environment detection

Info

Publication number: CN218212223U
Application number: CN202222559890.2U
Authority: CN
Inventors: 黄国胜; 黄磊
Original assignee: Fujian Tianchen Engineering Quality Inspection Co ltd
Current assignee: Fujian Tianchen Engineering Quality Inspection Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-03
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an air sampler for building indoor environment detects, which comprises a bracket, layer board and protecting crust, be provided with the equidistant arc interior concave part of a plurality of groups on the outer wall of layer board one side, and the inside spiral-lock of the interior concave part of arc has the syringe main part, the syringe main part includes the piston rod, the syringe needle, the piston rod passes through piston slidable mounting in the inside of syringe main part, the syringe needle sets up the bottom in the syringe main part, the block is installed to the outer peripheral face of syringe needle, the both ends on syringe main part surface are fixed with down and keep off ring and last fender ring respectively, keep off the ring down and go up the distance between the ring lower surface and equal the width of layer board. The utility model discloses can once only accomplish the sampling operation of multichannel syringe main part, need not to carry out the sampling operation alone, realize the suction function of the many samples air of sampler, practice thrift air sample time, promote the air suction efficiency of sampler.

Description

Air sampler for building indoor environment detection

Technical Field

The utility model relates to an air acquisition equipment technical field specifically is an air sampler for building indoor environment detects.

Background

The indoor environment index of the building engineering is a problem to be taken into consideration, a good indoor working environment is a very important part for building workers and users, at the moment, air collecting equipment for detecting the indoor environment of the building engineering is needed to collect the indoor air of the building engineering, a small amount of air samples in a building room can be directly collected in the process, the result measured by the method is instantaneous concentration or average concentration in a short time, the result can be quickly obtained, a common sampling container comprises an injector, a plastic bag, a sampling pipe, a vacuum bottle (pipe) and the like, such as a common l00mL injector, when sampling, the field air is firstly used for sucking for 3-5 times, then 100 mL is extracted, an air inlet is sealed by a rubber cap, the air inlet of the injector is downwards and vertically placed, so that the pressure in the injector is about greater than atmospheric pressure, when the existing sampler is used indoors, multiple times of suction treatment are needed, the sampling operation of multiple samples is completed, the time is consumed in the operation process, and the sampling efficiency of the workers in the building room is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air sampler for building indoor environment detects to it mostly is the problem of single sample in the use to provide the sampler in solving above-mentioned background art, is difficult to once only suction multiunit air sample.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air sampler for building indoor environment detects, includes support, layer board and protecting crust, be provided with the equidistant arc of a plurality of groups on the outer wall of layer board one side and cave the portion in, just the inside spiral-lock of the arc portion has the syringe main part, the syringe main part includes piston rod, syringe needle, the piston rod passes through piston slidable mounting in the inside of syringe main part, the syringe needle sets up the bottom in the syringe main part, the block cap is installed to the outer peripheral face of syringe needle, the both ends on syringe main part surface are fixed with down fender ring and last fender ring respectively, keep off the ring down and go up the distance between the ring lower surface and equal the thickness of layer board, slidable mounting has the flat board on the inner wall of protecting crust, the flat board passes through connecting piece and piston rod interconnect, one side of layer board bottom is fixed with the carriage, the right angle frame is installed through lead screw elevation structure in the inside of carriage, and the top of right angle frame extends to the inside of protecting crust and with dull and stereotyped bottom fixed connection, install motor controller on the outer wall of support one side.

Preferably, the connecting piece comprises an arc-shaped plate fixed at one end of the surface of the piston rod and a convex plate fixed on the outer wall of the arc-shaped plate, and the lower surface of the convex plate is in contact with the upper surface of the flat plate.

Preferably, one side of the top end of the convex plate is provided with a positioning bolt, and the threaded end of the positioning bolt extends to the outside of the flat plate.

Preferably, lead screw elevation structure installs the lead screw main part in carriage bottom both sides including rotating, the slip table is installed through the nut pair in one side on lead screw main part surface, the outer wall of slip table and the back fixed connection of right angle frame, the bottom mounting of carriage has the drive shell, servo motor is installed to the bottom of drive shell, servo motor's output passes through transmission structure and two sets of lead screw main part interconnect.

Preferably, servo motor is including installing the action wheel in two sets of lead screw main parts bottom and from the driving wheel, and the winding has the track between action wheel and the follow driving wheel, shaft coupling fixed connection is passed through with the bottom of one of them set of lead screw main part to servo motor's output, servo motor's input and motor controller's output electric connection.

Preferably, the lower retaining ring and the upper retaining ring are both made of hard rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that: this air sampler for building indoor environment detects is through being provided with syringe main part and connecting piece structure of mutually supporting such as, the staff takes out multiunit syringe main part, make syringe main part spiral-lock in the arc indent of layer board, utilize the connecting piece to link together piston rod and flat board afterwards, the staff opens servo motor through machine controller, make servo motor pass through transmission structure and drive lead screw elevation structure work, lead screw elevation structure drives the right angle frame promptly, the flat board goes upward, utilize the piston rod to produce the negative pressure in making the syringe main part, pass through the syringe needle suction syringe main part with building indoor air, accomplish the sample operation of air promptly, the sample operation of multichannel syringe main part can once only be accomplished in this in-process sampler, need not to carry out the sample operation alone, realize the suction function of the many sample air of sampler promptly, can practice thrift the sample time, promote the air suction efficiency of sampler.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the front view of the supporting frame of the present invention;

in the figure: 1. a support; 101. a motor controller; 2. a support plate; 201. an arc-shaped concave part; 3. a protective shell; 4. a support frame; 401. a drive case; 402. a servo motor; 403. a lead screw body; 404. a transmission structure; 405. a sliding table; 406. a right-angle frame; 5. an injector body; 501. a needle head; 502. capping; 503. a piston rod; 6. a lower baffle ring; 7. an upper baffle ring; 8. a flat plate; 9. an arc-shaped plate; 10. a convex plate; 11. and (6) positioning the bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. 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. 1-4, the present invention provides an embodiment: an air sampler for detecting the indoor environment of a building comprises a support 1, a supporting plate 2 and a protective shell 3, wherein a plurality of groups of arc-shaped concave parts 201 which are arranged at equal intervals are arranged on the outer wall of one side of the supporting plate 2, injector main bodies 5 are buckled inside the arc-shaped concave parts 201, and a worker takes out a plurality of groups of injector main bodies 5 to enable the injector main bodies 5 to be buckled in the arc-shaped concave parts 201 of the supporting plate 2;

the syringe body 5 comprises a piston rod 503 and a needle 501, the piston rod 503 is slidably mounted inside the syringe body 5 through a piston, the needle 501 is arranged at the bottom end of the syringe body 5, and a cap 502 is mounted on the outer peripheral surface of the needle 501;

a lower retaining ring 6 and an upper retaining ring 7 are respectively fixed at two ends of the surface of the syringe main body 5, the distance between the upper plane of the lower retaining ring 6 and the lower surface of the upper retaining ring 7 is equal to the thickness of the supporting plate 2, the lower retaining ring 6 and the upper retaining ring 7 are made of hard rubber materials, and the supporting plate 2, the lower retaining ring 6 and the upper retaining ring 7 are mutually matched, so that the phenomenon that the syringe main body 5 moves when the piston rod 503 is pulled upwards and slides can be avoided;

a flat plate 8 is slidably mounted on the inner wall of the protective shell 3, the flat plate 8 is connected with the piston rod 503 through a connecting piece, the connecting piece comprises an arc-shaped plate 9 fixed at one end of the surface of the piston rod 503 and a convex plate 10 fixed on the outer wall of the arc-shaped plate 9, and the lower surface of the convex plate 10 is in contact with the upper surface of the flat plate 8;

a positioning bolt 11 is installed on one side of the top end of the convex plate 10, the threaded end of the positioning bolt 11 extends to the outside of the flat plate 8, the positioning bolt 11 penetrates through the convex plate 10 and the outside of the flat plate 8, namely the flat plate 8 and the convex plate 10 are locked by the positioning bolt 11, and then a worker installs other groups of injector main bodies 5 according to the same steps, namely the preparation work of the sampler is completed;

a supporting frame 4 is fixed on one side of the bottom end of the supporting plate 2, a right-angle frame 406 is installed inside the supporting frame 4 through a screw rod lifting structure, the top end of the right-angle frame 406 extends into the protective shell 3 and is fixedly connected with the bottom end of the flat plate 8, and a motor controller 101 is installed on the outer wall of one side of the support 1;

a worker starts the servo motor 402 through the motor controller 101, so that the servo motor 402 drives the screw rod lifting structure to work through the transmission structure 404;

the screw rod lifting structure comprises screw rod main bodies 403 which are rotatably arranged on two sides of the bottom of the support frame 4, a sliding table 405 is arranged on one side of the surface of each screw rod main body 403 through a nut pair, the outer wall of the sliding table 405 is fixedly connected with the back of the right-angle frame 406, a driving shell 401 is fixed at the bottom end of the support frame 4, a servo motor 402 is arranged at the bottom end of the driving shell 401, and the output ends of the servo motor 402 are mutually connected with the two groups of screw rod main bodies 403 through a transmission structure 404;

the screw rod lifting structure drives the right-angle frame 406 and the flat plate 8 to move upwards, and further the flat plate 8 drives the convex plate 10, the arc-shaped plate 9 and the piston rod 503 to move upwards, so that negative pressure is generated in the injector main body 5 by the piston rod 503, indoor air of a building is sucked into the injector main body 5 through the needle 501, and when the right-angle frame 406, the flat plate 8, the piston rod 503 and other components move upwards to the extreme positions, the air sampling operation is completed;

the cap 502 is screwed on the needle 501 of each group of syringe bodies 5, namely the plugging operation of the ports of the syringe bodies 5 is completed, in the process, the sampler can complete the sampling operation of a plurality of syringe bodies 5 at one time, and the multi-sample air suction function of the sampler can be realized without independently sampling operation;

the servo motor 402 comprises a driving wheel and a driven wheel which are arranged at the bottom ends of the two groups of screw rod main bodies 403, a crawler belt is wound between the driving wheel and the driven wheel, the output end of the servo motor 402 is fixedly connected with the bottom ends of one group of screw rod main bodies 403 through a coupler, and the input end of the servo motor 402 is electrically connected with the output end of the motor controller 101;

the servo motor 402 drives the two sets of lead screw main bodies 403 to synchronously work through the transmission structure 404, and then the lead screw main bodies 403 drive the sliding table 405 and the right-angle frame 406 to move upwards through the nut pair, so that the plurality of sets of piston rods 503 move upwards synchronously, and the injector main body 5 performs pumping operation.

When the sampler is used, firstly, a worker takes out a plurality of groups of injector main bodies 5, so that the injector main bodies 5 are buckled in the arc-shaped concave part 201 of the supporting plate 2, at the moment, the lower surface of the upper baffle ring 7 is contacted with the upper surface of the supporting plate 2, the upper surface of the lower baffle ring 6 is contacted with the lower surface of the supporting plate 2, the lower baffle ring 6 and the upper baffle ring 7 are mutually matched, the phenomenon that the injector main body 5 moves when the piston rod 503 is pulled upwards and slides can be avoided, then, the worker passes the positioning bolt 11 through the convex plate 10 and the outer part of the flat plate 8, namely, the flat plate 8 and the convex plate 10 are locked by the positioning bolt 11, then, the worker installs other groups of injector main bodies 5 according to the same step, namely, the preparation work of the sampler is finished, when air sampling is needed, the worker starts the servo motor 402 through the motor controller 101, the servo motor 402 drives the screw rod lifting structure to work through the transmission structure 404, namely the screw rod lifting structure drives the right-angle frame 406 and the flat plate 8 to move upwards, and further the flat plate 8 drives the convex plate 10, the arc-shaped plate 9 and the piston rod 503 to move upwards, so that negative pressure is generated in the injector main body 5 by the piston rod 503, indoor air in a building is pumped into the injector main body 5 through the needle 501, when the right-angle frame 406, the flat plate 8, the piston rod 503 and other components move upwards to the extreme positions, the sampling operation of the air is completed, and then a worker screws the cap 502 on the needle 501 of each group of injector main body 5, so that the plugging operation of the port of the injector main body 5 is completed, in the process, a sampler can complete the sampling operation of a plurality of injector main bodies 5 at one time, the independent sampling operation is not needed, the multi-sample air pumping function of the sampler is realized, the sampling time can be saved, and the air pumping efficiency of the sampler is improved, providing convenience for workers.

Claims

1. The utility model provides an air sampler for building indoor environment detects which characterized in that: comprises a bracket (1), a supporting plate (2) and a protective shell (3), wherein a plurality of groups of arc-shaped concave parts (201) which are arranged at equal intervals are arranged on the outer wall of one side of the supporting plate (2), a syringe body (5) is buckled inside the arc-shaped concave parts (201), the syringe body (5) comprises a piston rod (503) and a needle head (501), the piston rod (503) is slidably arranged inside the syringe body (5) through a piston, the needle head (501) is arranged at the bottom end of the syringe body (5), a cover cap (502) is arranged on the outer peripheral surface of the needle head (501), two ends of the surface of the syringe body (5) are respectively fixed with a lower baffle ring (6) and an upper baffle ring (7), the distance between the upper plane of the lower baffle ring (6) and the lower surface of the upper baffle ring (7) is equal to the thickness of the supporting plate (2), a flat plate (8) is slidably arranged on the inner wall of the protective shell (3), the flat plate (8) is mutually connected with the piston rod (503) through a connecting piece and a right-angle lifting frame (406) which is connected with the inner end of the protective shell (3), and a motor controller (101) is installed on the outer wall of one side of the bracket (1).

2. The air sampler for detecting the indoor environment of the building as claimed in claim 1, wherein: the connecting piece is including fixing arc (9) in piston rod (503) surperficial one end to and fixed flange (10) on arc (9) outer wall, the lower surface of flange (10) and the upper surface of dull and stereotyped (8) contact each other.

3. The air sampler for detecting the indoor environment of the building as claimed in claim 2, wherein: and one side of the top end of the convex plate (10) is provided with a positioning bolt (11), and the threaded end of the positioning bolt (11) extends to the outside of the flat plate (8).

4. The air sampler for detecting the indoor environment of the building as claimed in claim 1, wherein: lead screw elevation structure installs lead screw main part (403) in carriage (4) bottom both sides including rotating, slip table (405) are installed through the nut pair in one side on lead screw main part (403) surface, the back fixed connection of the outer wall of slip table (405) and right angle frame (406), the bottom mounting of carriage (4) has drive shell (401), servo motor (402) are installed to the bottom of drive shell (401), the output of servo motor (402) passes through transmission structure (404) and two sets of lead screw main part (403) interconnect.

5. The air sampler for detecting the indoor environment of the building as claimed in claim 4, wherein: the servo motor (402) is including installing the action wheel and the follow driving wheel in two sets of lead screw main part (403) bottom, and the winding has the track between action wheel and the follow driving wheel, shaft coupling fixed connection is passed through with the bottom of one of them set of lead screw main part (403) to the output of servo motor (402), the input of servo motor (402) and the output electric connection of motor controller (101).

6. The air sampler for detecting the indoor environment of the building as claimed in claim 1, wherein: the lower retaining ring (6) and the upper retaining ring (7) are both made of hard rubber materials.