CN211292187U

CN211292187U - Sampling pipe for formaldehyde in ambient air

Info

Publication number: CN211292187U
Application number: CN201921958831.4U
Authority: CN
Inventors: 王鹏
Original assignee: Shandong Aogu Biotechnology Co ltd
Current assignee: Shandong Aogu Biotechnology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-18
Anticipated expiration: 2029-11-08

Abstract

The utility model belongs to the technical field of sampling pipes, in particular to a sampling pipe for formaldehyde in ambient air, which aims at the problem that the sampling range of the existing sampling pipe is limited and the accuracy of sampling data is influenced, the following proposal is provided, the sampling pipe comprises a sampling pipe body, the sampling pipe body is a hollow pipe body with two open ends, modified bacteria cellulose-based nano activated carbon fibers are filled in the sampling pipe body, the surface of the modified bacteria cellulose-based nano activated carbon fibers is loaded with a derivative, the derivative can generate derivative reaction with formaldehyde on line, the sampling pipe body is sleeved with two pipe clamps which are mutually matched, the bottoms of the two pipe clamps are rotatably provided with the same telescopic block, the utility model has simple structure and convenient use, and can adjust the use position of the sampling pipe body, so that the sampling pipe body can more comprehensively sample air in different areas, the accuracy of air detection is improved.

Description

Sampling pipe for formaldehyde in ambient air

Technical Field

The utility model relates to a sampling pipe technical field especially relates to a sampling pipe of formaldehyde in ambient air.

Background

Formaldehyde is an important pollutant in ambient air, and particularly in various indoor environments, public places and industrial operation places, the formaldehyde pollution in the ambient air is ubiquitous. When formaldehyde is inhaled from respiratory tract and skin in low dose for a long time, the formaldehyde can cause damage and pathological changes to respiratory system, blood system, nervous system, reproductive system and internal organs. Through retrieval, patent document with publication (publication) number CN208984407U discloses a sampling tube for formaldehyde in ambient air, which comprises a hollow tube body with openings at two ends, wherein the tube body is filled with modified bacterial cellulose-based nano activated carbon fibers, the surface of the modified bacterial cellulose-based nano activated carbon fibers is loaded with a derivative, and the derivative can perform a derivative reaction with formaldehyde on line.

Sampling pipe of formaldehyde mainly directly places sampling pipe in the sampling district in current ambient air, and the wind gap position that mainly passes through the sampling district is removed the air of receiving the detection zone by oneself, and sampling pipe's sampling range receives the restriction, influences the accuracy nature of sampling data.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the sampling scope that has the sampling pipe among the prior art and receiving the restriction, influence the shortcoming of the accuracy nature of sampling data, and the sampling pipe of formaldehyde in the ambient air who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sampling tube for formaldehyde in ambient air comprises a sampling tube body, wherein the sampling tube body is a hollow tube body with openings at two ends, modified bacteria cellulose-based nano activated carbon fibers are filled in the sampling tube body, a derivatization agent is loaded on the surface of the modified bacteria cellulose-based nano activated carbon fibers and can perform derivatization reaction with formaldehyde on line, two tube clamps are sleeved on the sampling tube body and are mutually matched, the bottoms of the two tube clamps are rotatably provided with the same telescopic block, a base is arranged below the telescopic block, the top of the base is rotatably provided with a rotating seat, the top of the rotating seat is provided with a telescopic groove, the bottom of the telescopic block extends into the telescopic groove, both sides of the telescopic block are provided with spring grooves, spring blocks are slidably arranged in the spring grooves, one side of each spring block extends to the outer side of the corresponding telescopic block and is fixedly arranged on the inner wall of the, the bottom fixed mounting of spring block has the one end of first spring, the other end fixed mounting of first spring is on the inner wall of the spring groove that corresponds, in use, the starter motor, the output shaft of motor drives the cam and rotates, the one end that makes the pull rod when the cam rotates removes, the other end of pull rod rotates on the slide bar and drives the slide bar and slide, because the cooperation of spout, guarantee that the slide bar slides not off normal, the slide bar drives the connecting rod and slides from top to bottom, the connecting rod drives the flexible piece and removes, flexible piece drives the pipe clamp and removes, the pipe clamp removes and drives the removal of sampling pipe body.

Preferably, the top one end fixed mounting of base has the fixed plate, and the top fixed mounting of fixed plate has the roof, and one side fixed mounting that the sampling pipe body was kept away from to the fixed plate has the motor, and the spout has been seted up to one side that the fixed plate is close to the sampling pipe body, and slidable mounting has the slide bar in the spout, and flexible piece slides in flexible inslot and makes the spring piece slide in the spring inslot that corresponds and drive first spring atress flexible.

Preferably, one side of slide bar extends to the outside of fixed plate, and one side of slide bar has seted up the spread groove, the spread groove is kept away from the one end of fixed mounting with the second spring on spread groove open-ended one side inner wall, the other end fixed mounting of second spring has the one end of connecting rod, the other end of connecting rod extends to the outside of slide bar and rotates and install on flexible piece, the one end of connecting rod slides and extrudes flexible piece and removes, because the one end of connecting rod rotates on flexible piece, flexible piece rotates on the base simultaneously, make sampling pipe body horizontal direction small-amplitude move.

Preferably, the output shaft of the motor extends to the upper part of the sliding rod and is fixedly provided with a cam, one side of the cam is rotatably provided with one end of a pull rod, the other end of the pull rod is rotatably arranged at the top of the sliding rod, the sliding rod horizontally slides, and the connecting rod slides in the connecting groove to drive the second spring to stretch under stress.

Preferably, the top of connecting rod is rotated and is installed the extrusion wheel, and the bottom fixed mounting of roof has the extrusion sloping block, and the inclined plane of extrusion wheel and extrusion sloping block cooperatees, and the connecting rod slides from top to bottom makes the inclined plane contact of extrusion wheel and the extrusion sloping block that corresponds for the connecting rod horizontal slip.

In the utility model, in the sampling tube for formaldehyde in ambient air, the output shaft of the motor drives the cam to rotate, one end of the pull rod is rotated and moved when the cam rotates, the other end of the pull rod rotates on the slide rod to drive the slide rod to slide, the slide rod is ensured not to deviate in sliding due to the matching of the sliding groove, the slide rod drives the connecting rod to slide up and down, the connecting rod drives the telescopic block to move, the telescopic block drives the tube clamp to move, and the tube clamp moves to drive the sampling tube body to move;

one end of the connecting rod slides to extrude the telescopic block to move, and the telescopic block rotates on the base at the same time as one end of the connecting rod rotates on the telescopic block, so that the sampling tube body moves in a small range in the horizontal direction;

the utility model discloses simple structure, convenient to use can adjust the service position of sampling pipe body for the sampling pipe body can carry out more comprehensive sampling to different regional air, improves empty gas detection's accuracy nature.

Drawings

Fig. 1 is a schematic structural diagram of a sampling tube for formaldehyde in ambient air according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a sampling tube for formaldehyde in ambient air according to the present invention;

fig. 3 is a schematic side sectional view of a sampling tube for formaldehyde in ambient air according to the present invention.

In the figure: 1 sampling tube body, 2 tube clamps, 3 telescopic blocks, 4 bases, 5 rotating seats, 6 telescopic grooves, 7 spring grooves, 8 spring blocks, 9 first springs, 10 fixing plates, 11 top plates, 12 motors, 13 sliding grooves, 14 sliding rods, 15 connecting grooves, 16 second springs, 17 connecting rods, 18 cams, 19 pull rods, 20 extrusion inclined blocks and 21 extrusion wheels.

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.

Example one

Referring to fig. 1-3, a sampling tube for formaldehyde in ambient air comprises a sampling tube body 1, the sampling tube body 1 is a hollow tube body with openings at two ends, modified bacteria cellulose-based nano activated carbon fibers are filled in the sampling tube body 1, a derivatization agent is loaded on the surface of the modified bacteria cellulose-based nano activated carbon fibers and can perform derivatization reaction with formaldehyde on line, two tube clamps 2 are sleeved on the sampling tube body 1, the two tube clamps 2 are mutually matched, the bottom of the two tube clamps 2 is rotatably provided with a same telescopic block 3, a base 4 is arranged below the telescopic block 3, a rotating seat 5 is rotatably arranged at the top of the base 4, a telescopic groove 6 is arranged at the top of the rotating seat 5, the bottom of the telescopic block 3 extends into the telescopic groove 6, spring grooves 7 are respectively arranged at two sides of the telescopic block 3, spring blocks 8 are slidably arranged in the spring grooves 7, one side of each spring block 8 extends to the outer side of the telescopic block 3 and is, the bottom fixed mounting of spring block 8 has the one end of first spring 9, the other end fixed mounting of first spring 9 is on the inner wall of the spring groove 7 that corresponds, in use, starter motor 12, the output shaft of motor 12 drives cam 18 and rotates, make the one end of pull rod 19 rotate and remove when cam 18 rotates, the other end of pull rod 19 rotates on slide bar 14 and drives slide bar 14 to slide, because the cooperation of spout 13, guarantee slide bar 14 and slide not off normal, slide bar 14 drives connecting rod 17 and slides from top to bottom, connecting rod 17 drives flexible piece 3 and removes, flexible piece 3 drives pipe clamp 2 and removes, pipe clamp 2 removes and drives sampling pipe body 1 and removes.

The utility model discloses in, be equipped with motor switch on base 4, base 4's top one end fixed mounting has fixed plate 10, the top fixed mounting of fixed plate 10 has roof 11, one side fixed mounting that sampling pipe body 1 was kept away from to fixed plate 10 has motor 12, spout 13 has been seted up to one side that fixed plate 10 is close to sampling pipe body 1, slidable mounting has slide bar 14 in spout 13, flexible piece 3 slides in flexible groove 6 and makes spring block 8 slide in the spring groove 7 that corresponds and drive first spring 9 atress flexible.

The utility model discloses in, one side of slide bar 14 extends to the outside of fixed plate 10, and one side of slide bar 14 has seted up spread groove 15, fixed mounting has the one end of second spring 16 on spread groove 15 one side inner wall is kept away from to spread groove 15, the other end fixed mounting of second spring 16 has the one end of connecting rod 17, the other end of connecting rod 17 extends to the outside of slide bar 14 and rotates and install on flexible piece 3, the one end of connecting rod 17 slides and extrudes flexible piece 3 and removes, because the one end of connecting rod 17 rotates on flexible piece 3, flexible piece 3 rotates on base 4 simultaneously, make 1 horizontal direction small amplitude of sampling pipe body remove.

The utility model discloses in, motor 12's output shaft extends to slide bar 14's top and fixed mounting has cam 18, and one side of cam 18 is rotated and is installed the one end of pull rod 19, and the other end of pull rod 19 is rotated and is installed in slide bar 14's top, and slide bar 14 horizontal slip, connecting rod 17 slide in spread groove 15 and drive the flexible 16 atress of second spring.

The utility model discloses in, the top of connecting rod 17 is rotated and is installed extrusion wheel 21, and the bottom fixed mounting of roof 11 has extrusion sloping block 20, and extrusion wheel 21 cooperatees with the inclined plane of extrusion sloping block 20, and connecting rod 17 slides from top to bottom makes the inclined plane contact of extrusion wheel 21 and the extrusion sloping block 20 that corresponds for connecting rod 17 horizontal slip.

Example two

Referring to fig. 1-3, a sampling pipe of formaldehyde in ambient air, including sampling pipe body 1, sampling pipe body 1 is both ends open-ended cavity body, it has modified bacteria cellulose base nanometer activated carbon fiber to fill in the sampling pipe body 1, modified bacteria cellulose base nanometer activated carbon fiber surface load has the derivatization agent, the derivatization agent can take place the derivatization reaction with formaldehyde on line, the cover is equipped with two pipe clamps 2 on the sampling pipe body 1, two pipe clamps 2 mutually support, same flexible piece 3 is installed in the bottom rotation of two pipe clamps 2, the below of flexible piece 3 is equipped with base 4, the top of base 4 is rotated and is installed and is rotated seat 5, flexible groove 6 has been seted up at the top of rotating seat 5, the bottom of flexible piece 3 extends to flexible inslot 6, and spring groove 7 has all been seted up to the both sides of flexible piece 3, slidable mounting has spring block 8 in spring groove 7, one side of spring block 8 extends to the outside of flexible piece 3 and installs on the inner The utility model discloses a sampling tube, including spring block 8, spring block 7, start motor 12, the output shaft of motor 12 drives cam 18 and rotates, make the one end of pull rod 19 rotate and remove when cam 18 rotates, pull rod 19's the other end rotates on slide bar 14 and rotates slide bar 14 and slide, because spout 13's cooperation, guarantee slide bar 14 and slide not off normal, slide bar 14 drives connecting rod 17 and slides from top to bottom, connecting rod 17 drives flexible piece 3 and removes, flexible piece 3 drives pipe clamp 2 and removes, pipe clamp 2 removes and drives sampling tube body 1 and remove.

The utility model discloses in, there is fixed plate 10 top one end of base 4 through welded fastening, there is roof 11 at the top of fixed plate 10 through welded fastening, there is motor 12 one side that sampling pipe body 1 was kept away from to fixed plate 10 through welded fastening, spout 13 has been seted up to one side that fixed plate 10 is close to sampling pipe body 1, slidable mounting has slide bar 14 in spout 13, flexible piece 3 slides in flexible groove 6 and makes spring block 8 slide in the spring groove 7 that corresponds and drive first spring 9 atress flexible.

The utility model discloses in, one side of slide bar 14 extends to the outside of fixed plate 10, and spread groove 15 has been seted up to one side of slide bar 14, spread groove 15 is kept away from on the inner wall of one side of spread groove 15 open-ended and is installed the one end of second spring 16, the other end of second spring 16 has the one end of connecting rod 17 through welded fastening, the other end of connecting rod 17 extends to the outside of slide bar 14 and rotates and install on flexible piece 3, the flexible piece 3 of the one end slip extrusion of connecting rod 17 removes, because the one end of connecting rod 17 rotates on flexible piece 3, flexible piece 3 rotates on base 4 simultaneously, make 1 horizontal direction small-amplitude of sampling tube body remove.

The utility model discloses in, motor 12's output shaft extends to slide bar 14's top and installs cam 18 through welded fastening, and one side of cam 18 is rotated and is installed the one end of pull rod 19, and the other end of pull rod 19 is rotated and is installed in slide bar 14's top, and slide bar 14 horizontal slip, connecting rod 17 slide in spread groove 15 and drive the flexible of 16 atress of second spring.

The utility model discloses in, the top of connecting rod 17 is rotated and is installed extrusion wheel 21, and the bottom of roof 11 is installed extrusion sloping block 20 through welded fastening, and extrusion wheel 21 cooperatees with the inclined plane of extrusion sloping block 20, and connecting rod 17 slides from top to bottom makes extrusion wheel 21 and the inclined plane contact of the extrusion sloping block 20 that corresponds for connecting rod 17 horizontal slip.

The working principle is as follows: when the sampling tube is used, the motor 12 is started, the output shaft of the motor 12 drives the cam 18 to rotate, when the cam 18 rotates, one end of the pull rod 19 rotates and moves, the other end of the pull rod 19 rotates on the slide rod 14 to drive the slide rod 14 to slide, due to the cooperation of the sliding grooves 13, the slide rod 14 is ensured not to slide and is not deviated, the slide rod 14 drives the connecting rod 17 to slide up and down, the connecting rod 17 drives the telescopic block 3 to move, the telescopic block 3 slides in the telescopic groove 6 to enable the spring block 8 to slide in the corresponding spring groove 7 to drive the first spring 9 to stretch under stress, the telescopic block 3 drives the tube clamp 2 to move, the tube clamp 2 moves to drive the sampling tube body 1 to move, meanwhile, the connecting rod 17 slides up and down to enable the extrusion wheel 21 to be in contact with the inclined plane of the corresponding extrusion inclined block 20, the connecting rod 17 slides horizontally, one end of, simultaneously, the telescopic block 3 rotates on the base 4, so that the sampling tube body 1 moves in a small range in the horizontal direction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sampling pipe of formaldehyde in ambient air, includes sampling pipe body (1), sampling pipe body (1) is both ends open-ended hollow body, it has modified bacterium cellulose base nanometer activated carbon fiber to fill in sampling pipe body (1), modified bacterium cellulose base nanometer activated carbon fiber surface load has the derivatization agent, a serial communication port, the cover is equipped with two pipe clamps (2) on sampling pipe body (1), two pipe clamps (2) mutually support, the bottom of two pipe clamps (2) is rotated and is installed same expansion block (3), the below of expansion block (3) is equipped with base (4), the top of base (4) is rotated and is installed rotating seat (5), flexible groove (6) have been seted up at the top of rotating seat (5), the bottom of expansion block (3) extends to in flexible groove (6), and spring groove (7) have all been seted up to the both sides of expansion block (3), spring block (8) is slidably mounted in spring groove (7), one side of spring block (8) extends to the outside of telescopic block (3) and is fixedly mounted on the inner wall of telescopic groove (6), the bottom of spring block (8) is fixedly mounted with one end of first spring (9), and the other end of first spring (9) is fixedly mounted on the inner wall of corresponding spring groove (7).

2. The sampling tube for formaldehyde in ambient air according to claim 1, wherein a fixing plate (10) is fixedly mounted at one end of the top of the base (4), a top plate (11) is fixedly mounted at the top of the fixing plate (10), a motor (12) is fixedly mounted at one side of the fixing plate (10) far away from the sampling tube body (1), a sliding groove (13) is formed in one side of the fixing plate (10) close to the sampling tube body (1), and a sliding rod (14) is slidably mounted in the sliding groove (13).

3. The sampling tube for formaldehyde in ambient air according to claim 2, wherein one side of the sliding rod (14) extends to the outside of the fixing plate (10), a connecting groove (15) is formed in one side of the sliding rod (14), one end of a second spring (16) is fixedly mounted on the inner wall of the side, away from the opening of the connecting groove (15), the other end of the second spring (16) is fixedly mounted with one end of a connecting rod (17), and the other end of the connecting rod (17) extends to the outside of the sliding rod (14) and is rotatably mounted on the telescopic block (3).

4. The sampling pipe for formaldehyde in ambient air according to claim 2, wherein the output shaft of the motor (12) extends to the upper part of the sliding rod (14) and is fixedly provided with a cam (18), one side of the cam (18) is rotatably provided with one end of a pull rod (19), and the other end of the pull rod (19) is rotatably provided at the top of the sliding rod (14).

5. The sampling tube for formaldehyde in ambient air according to claim 3, wherein the top of the connecting rod (17) is rotatably provided with an extrusion wheel (21), the bottom of the top plate (11) is fixedly provided with an extrusion inclined block (20), and the extrusion wheel (21) is matched with the inclined surface of the extrusion inclined block (20).