CN216717936U

CN216717936U - Automatic membrane sample thief device that trades of air particulate matter

Info

Publication number: CN216717936U
Application number: CN202123265696.5U
Authority: CN
Inventors: 张景权
Original assignee: Tianjin Winner Technology Co ltd
Current assignee: Tianjin Winner Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-06-10
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses an automatic film changing sampler device for air particles, which comprises a sampling box, wherein a guide seat is fixedly arranged on the upper surface of the sampling box close to one side, a servo motor is fixedly arranged on the upper surface of the sampling box close to the other side, a threaded rod is connected between the guide seat and the servo motor, a sliding seat is sleeved on the outer surface of the threaded rod, a guide rail is connected between the sliding seat and the sampling box, an installation frame is fixedly arranged on the outer surface of the sliding seat, a plurality of filter membrane trays are connected to the outer surface of the installation frame, a clamping mechanism is connected to the outer side of the upper surface of the installation frame close to the filter membrane trays, a guide cover is arranged in the sampling box close to a sampling port, and an exhaust fan is arranged in the sampling box close to the bottom. The automatic membrane changing sampler device for air particulate matters can conveniently clamp the filtering membrane and can conveniently butt joint the guide cover and the sampling port.

Description

Automatic membrane sample thief device that trades of air particulate matter

Technical Field

The utility model relates to the field of samplers, in particular to an automatic membrane changing sampler device for air particles.

Background

The air sampler is a common instrument for collecting atmospheric environment and workshop field gas, is widely applied to units of atmospheric environment monitoring, health epidemic prevention, labor protection, scientific research and the like, can be matched with related instruments for use, and analyzes the sampled gas to know the degree of pollution of the environment by harmful gas, and the scheme particularly relates to an automatic membrane-changing sampler device for air particulate matters; but current air particulate matter trades membrane sample thief device automatically has certain weak point when using and remains to be improved, at first, inconveniently carries out the clamping to filtration membrane, and is inconvenient to filtration membrane change, and secondly, inconvenient butt joint guide cover and sample connection can appear the condition of leaking out when the sampler takes a sample.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an automatic membrane replacement sampler device for air particles, which can effectively solve the technical problems in the background art.

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

an automatic membrane-changing sampler device for air particles comprises a sampling box, wherein a guide seat is fixedly arranged on one side of the upper surface of the sampling box, a servo motor is fixedly arranged on the upper surface of the sampling box close to the other side, a threaded rod is connected between the guide seat and the servo motor, a slide seat is sleeved on the outer surface of the threaded rod, a guide rail is connected between the slide seat and the sampling box, and the outer surface of the sliding seat is fixedly provided with a mounting rack, the outer surface of the mounting rack is connected with a plurality of filter membrane trays, and the upper surface of the mounting rack is connected with a clamping mechanism at the position close to the outer side of the filter membrane tray, a guide cover is arranged in the sampling box close to the sampling port, and the inside of sampling case is close to the bottom position and is provided with the air exhauster, be connected with the tuber pipe between air exhauster and the guide housing, be connected with docking mechanism between guide housing and the sampling case.

As a further scheme of the utility model, the clamping mechanism comprises a support frame, a handle, a clamping block, a rotating shaft and a return spring, the support frame is fixed on the upper surface of the mounting frame, the handle is arranged at a position close to one side of the top of the support frame, the clamping block is arranged at a position close to the other side of the top of the support frame, the rotating shaft is arranged at a joint of the handle and the clamping block, one end of the return spring is fixed on the outer surface of the clamping block, and the other end of the return spring is fixed on the outer surface of the support frame.

As a further scheme of the utility model, the clamping block is movably connected with the supporting frame through a rotating shaft and a return spring.

As a further aspect of the present invention, the docking mechanism includes a connection frame, a docking seat, a connection rod, a locking block, and a locking groove, the connection frame is sleeved outside the guide cover, the docking seat is fixed to the inner surface of the sampling box, the connection rod is fixed to the upper surface of the connection frame, the locking block is fixed to the top end of the connection rod, and the locking groove is opened inside the docking seat.

As a further scheme of the utility model, the connecting rod is clamped into the clamping groove through the clamping block and is fixedly connected with the butt joint seat.

As a further scheme of the utility model, the outer surface of the sampling box is connected with a connecting pipe for exhausting air by an exhaust fan.

Compared with the prior art, the utility model has the following beneficial effects: through the clamping mechanism who sets up, can conveniently carry out the clamping to filtration membrane to can conveniently change filtration membrane, through the docking mechanism who sets up, can conveniently dock guide cover and sample connection, thereby can prevent the condition that leaks out when the sampler takes a sample.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an automatic membrane-changing sampler device for air particles according to the present invention;

FIG. 2 is a top view of an automatic membrane-changing sampler device for air particles according to the present invention;

FIG. 3 is a schematic diagram of the internal structure of an automatic membrane-changing sampler device for air particles according to the present invention;

FIG. 4 is a schematic structural view of a clamping mechanism of an automatic membrane-changing sampler device for air particles according to the present invention;

fig. 5 is a schematic structural diagram of a docking mechanism of an automatic membrane-changing sampler device for air particles.

In the figure: 1. a sampling box; 2. a guide seat; 3. a servo motor; 4. a threaded rod; 5. a slide base; 6. a guide rail; 7. a mounting frame; 8. a filter membrane tray; 9. a clamping mechanism; 901. a support frame; 902. a handle; 903. installing a clamping block; 904. a rotating shaft; 905. a return spring; 10. a guide housing; 11. an exhaust fan; 12. an air duct; 13. a docking mechanism; 1301. a connecting frame; 1302. a docking station; 1303. a connecting rod; 1304. a clamping block; 1305. an engaging groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-5, an automatic film-changing sampler device for air particles comprises a sampling box 1, a guide seat 2 is fixedly installed on the upper surface of the sampling box 1 near one side, a servo motor 3 is fixedly installed on the upper surface of the sampling box 1 near the other side, a threaded rod 4 is connected between the guide seat 2 and the servo motor 3, a slide seat 5 is sleeved on the outer surface of the threaded rod 4, a guide rail 6 is connected between the slide seat 5 and the sampling box 1, a mounting frame 7 is fixedly installed on the outer surface of the slide seat 5, a plurality of filter membrane trays 8 are connected on the outer surface of the mounting frame 7, a clamping mechanism 9 is connected on the outer side of the upper surface of the mounting frame 7 near the filter membrane trays 8, a guide cover 10 is arranged inside the sampling box 1 near the sampling opening, an exhaust fan 11 is arranged inside the sampling box 1 near the bottom, and an air pipe 12 is connected between the exhaust fan 11 and the guide cover 10, a docking mechanism 13 is connected between the guide cover 10 and the sampling box 1;

in this embodiment, clamping mechanism 9 has been set up for the convenience of carrying out the clamping to filtration membrane, clamping mechanism 9 includes support frame 901, handle 902, clamping piece 903, rotation axis 904 and reset spring 905, support frame 901 is fixed in the upper surface of mounting bracket 7, handle 902 sets up and is close to one side position at the top of support frame 901, clamping piece 903 sets up and is close to opposite side position at the top of support frame 901, rotation axis 904 sets up the linking department at handle 902 and clamping piece 903, reset spring 905's one end is fixed in the surface of clamping piece 903, and reset spring 905's the other end is fixed in the surface of support frame 901, clamping mechanism 9 can conveniently carry out the clamping to filtration membrane, thereby can conveniently change filtration membrane.

In this embodiment, in order to clamp and release the clamping block 903, the clamping block 903 is movably connected to the supporting frame 901 through a rotating shaft 904 and a return spring 905.

In this embodiment, the docking mechanism 13 is provided to facilitate docking the guide cover 10 with the sampling port, the docking mechanism 13 includes a connection frame 1301, a docking seat 1302, a connection rod 1303, a latching block 1304 and a latching groove 1305, the connection frame 1301 is sleeved on the outer side of the guide cover 10, the docking seat 1302 is fixed on the inner surface of the sampling box 1, the connection rod 1303 is fixed on the upper surface of the connection frame 1301, the latching block 1304 is fixed on the top end of the connection rod 1303, the latching groove 1305 is arranged in the docking seat 1302, the docking mechanism 13 can conveniently dock the guide cover 10 with the sampling port, and thus the occurrence of air leakage during sampling of the sampler can be prevented.

In this embodiment, in order to clamp the connection rod 1303 and the docking cradle 1302, the connection rod 1303 is clamped into the clamping groove 1305 and fixedly connected to the docking cradle 1302 by the clamping block 1304.

In this embodiment, the exhaust fan 11 exhausts air for convenience. The outer surface of the sampling box 1 is connected with a connecting pipe for exhausting air by an exhaust fan 11.

The utility model is to be noted that, the utility model is an automatic membrane changing sampler device for air particulate matter, when in use, a sampling box 1 forms the main body part of the whole automatic membrane changing sampler device for air particulate matter, an exhaust fan 11 is started, the exhaust fan 11 operates to exhaust air through an air pipe 12 and a guide cover 10, the air is filtered through a filtering membrane on a filtering membrane tray 8, the particulate matter in the air is filtered by the filtering membrane to realize sampling of the particulate matter in the air, a servo motor 3 is started, the servo motor 3 drives a threaded rod 4 to rotate relative to a guide seat 2, a threaded groove inside the sliding seat 5 is meshed with the threaded rod 4 to drive the sliding seat 5 to slide along a guide rail 6, the sliding seat 5 moves to drive an installation rack 7 to move together, the movement of the installation rack 7 can realize that filtering membranes on different filtering membrane trays 8 are aligned with a sampling port, the automatic membrane changing of the sampler is realized, a handle 902 is pressed, clamping piece 903 is through rotation axis 904 and reset spring 905 and support frame 901 relative activity, and clamping piece 903 is loosened and is conveniently changed filtration membrane, and connecting rod 1303 passes through block 1304 card and goes into the block groove 1305 and fix with butt joint seat 1302, can drive link 1301 and dock the below at the sample connection with guide housing 10, can prevent the condition of leaking out when the sampler sample from appearing.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic membrane sample thief device that trades of air particulate matter which characterized in that: comprises a sampling box (1), the upper surface of the sampling box (1) is close to one side position and fixedly installed with a guide seat (2), the upper surface of the sampling box (1) is close to the other side position and fixedly installed with a servo motor (3), a threaded rod (4) is connected between the guide seat (2) and the servo motor (3), a slide seat (5) is sleeved on the outer surface of the threaded rod (4), a guide rail (6) is connected between the slide seat (5) and the sampling box (1), a mounting rack (7) is fixedly installed on the outer surface of the slide seat (5), a plurality of filter membrane trays (8) are connected on the outer surface of the mounting rack (7), a clamping mechanism (9) is connected on the outer side position of the upper surface of the mounting rack (7) close to the filter membrane trays (8), a guide cover (10) is arranged on the position of the inner part of the sampling box (1) close to the sampling port, and an exhaust fan (11) is arranged on the inner part of the sampling box (1) close to the bottom position, an air pipe (12) is connected between the exhaust fan (11) and the guide cover (10), and a docking mechanism (13) is connected between the guide cover (10) and the sampling box (1).

2. The air particulate matter auto-membrane-changing sampler device according to claim 1, wherein: clamping mechanism (9) are including support frame (901), handle (902), clamping piece (903), rotation axis (904) and reset spring (905), support frame (901) are fixed in the upper surface of mounting bracket (7), handle (902) set up the top at support frame (901) and are close to one side position, clamping piece (903) set up the top at support frame (901) and are close to another side position, rotation axis (904) set up the linking department at handle (902) and clamping piece (903), the surface of clamping piece (903) is fixed in to the one end of reset spring (905), and the other end of reset spring (905) is fixed in the surface of support frame (901).

3. The air particulate matter auto-membrane-changing sampler device according to claim 2, wherein: the clamping block (903) is movably connected with the support frame (901) through a rotating shaft (904) and a return spring (905).

4. The air particulate matter auto-membrane-changing sampler device according to claim 1, wherein: docking mechanism (13) include link (1301), butt joint seat (1302), connecting rod (1303), block (1304) and block groove (1305), the outside at guide housing (10) is established in link (1301), butt joint seat (1302) is fixed in the internal surface of sampling box (1), connecting rod (1303) are fixed in the upper surface of link (1301), block (1304) are fixed in the top of connecting rod (1303), block groove (1305) are seted up in the inside of butt joint seat (1302).

5. The air particulate matter auto-membrane-changing sampler device according to claim 4, wherein: the connecting rod (1303) is clamped into the clamping groove (1305) through the clamping block (1304) and is fixedly connected with the butt joint seat (1302).

6. The air particulate matter auto-membrane-changing sampler device according to claim 1, wherein: the outer surface of the sampling box (1) is connected with a connecting pipe used for exhaust of an exhaust fan (11).