CN214225102U

CN214225102U - Formaldehyde content detection device for air quality detection

Info

Publication number: CN214225102U
Application number: CN202120283551.9U
Authority: CN
Inventors: 史鑫; 李凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-31
Filing date: 2021-01-31
Publication date: 2021-09-17
Anticipated expiration: 2031-01-31

Abstract

The utility model discloses a formaldehyde content testing device for air quality detection, including test machine body, air suction platform, gasbag, stock and filter screen, the motor is installed to the outside of test machine body, the air suction platform runs through the surface of connecting at the test machine body, the gasbag is installed in the test machine body, and the gasbag right side is provided with soft butt joint pipe to utilize the briquetting that the gasbag right side set up to extrude this soft butt joint pipe and seal, the right-hand member fixedly connected with inductor of test machine body is used for detecting formaldehyde content; this formaldehyde content detection device can store the air until can opening the gasbag for detection volume in the air is stable, has the scientificity, and can collect to the air of co-altitude not, accomplishes height-adjusting's effect, can dismantle, change the clearance to the filter screen simultaneously, and the person of facilitating the use uses.

Description

Formaldehyde content detection device for air quality detection

Technical Field

The utility model relates to an air quality detects technical field, specifically is a formaldehyde content testing device for air quality detects.

Background

Formaldehyde is everywhere, one apple contains formaldehyde, but when the formaldehyde exceeds the bearing range of a human body, poisoning, dizziness and body discomfort are caused if the formaldehyde is light, respiratory function and damage to a nerve immune system are influenced if the formaldehyde is serious, the formaldehyde is colorless, so that the content of the formaldehyde in the air is difficult to judge, and people detect the air quality through a formaldehyde content detection device, but the existing formaldehyde content detection device for detecting the air quality has certain defects;

1. the existing formaldehyde content detection device for air quality detection may have certain inconvenience in air storage, may absorb a little more at a high indoor air circulation speed point, and vice versa, so that the detection scientificity is not very high, the detection result may not meet the reality, and further certain defects exist on the device;

2. the formaldehyde content detection device for detecting the air quality has the advantages that after substances such as particles and dust in air are filtered, a filter screen is replaced, certain defects exist, the filter screen is blocked due to the particles in the air, the filter screen is inconvenient to adjust the height of collected air, the air density at different heights is different, the content of detected air is different, and the use is influenced.

In order to solve the problems, innovative design is urgently needed on the basis of the original formaldehyde content detection device for air quality detection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a formaldehyde content testing device for air quality testing to propose in solving above-mentioned background art probably having certain inconvenience in the storage to the air, probably indoor circulation of air speed high point just absorbs a lot more, on the contrary, the scientificity that detects like this is not very high, and the result of detection probably is not conform to with the reality, and then has the problem of certain defect on the device.

In order to achieve the above object, the utility model provides a following technical scheme: a formaldehyde content detection device for air quality detection comprises a tester body, an air suction table, an air bag, a long rod and a filter screen,

the testing machine comprises a testing machine body, a motor is arranged outside the testing machine body, an outer thread screw rod is fixedly connected to the output end of the motor, an inner thread spiral ring is connected to the outer surface of the outer thread screw rod, an air suction table is connected to the outer surface of the testing machine body in a penetrating mode, an air pump is fixedly connected to the upper end of the air suction table, an air pipe is fixedly connected to the lower end of the air suction table, an air bag is arranged inside the testing machine body, a first spring is fixedly connected to the outer surface of the air bag, a soft butt joint pipe is connected to the right end of the air bag, a pressing block is fixedly connected to the outer surface of the air bag vertically corresponding to the soft butt joint pipe, a protruding block is arranged on the right side of the pressing block, a special-shaped block corresponding to the shape of the protruding block is arranged on the right end of the air bag, a second spring is fixedly connected to the outer surface of the special-shaped block, a long rod is reserved on the inner surface of the testing machine body, a third spring is fixedly connected to the left end of the long rod, and a handle is arranged outside the testing machine body, filter screen fixed connection is at the surface of handle, and the inside of filter screen is reserved flutedly, and the stock can insert in this recess to this internal inductor that is equipped with of right-hand member test machine of filter screen, the right-hand member fixedly connected with alarm of test machine body.

Preferably, the external thread screw is in threaded connection with the internal thread helicoid, and the internal thread helicoid and the air suction table are of an integrated structure.

Preferably, the number of the air bags is 2 about the center symmetry of the butt joint pipe, the outer surfaces of the 2 air bags are connected in a clamping mode, and the air bags and the testing machine body form an elastic structure through first springs.

Preferably, the press block is divided into an upper press block and a lower press block which are respectively fixedly connected with the upper outer surface and the lower outer surface of the air bag corresponding to the soft butt joint pipe, and the air bag and the tester body form an elastic structure through the first spring, so that the uninflated air bag utilizes the press block to pressurize and seal the soft butt joint pipe under the action of the first spring, the air bag is in a sealed state, and after gas in the air bag is collected to a certain volume, the air bag expands upwards and downwards to drive the press block to separate, so that the soft butt joint pipe is changed into a gradually opened state from a overstocked and sealed state;

preferably, the lug and the pressing block are integrally arranged, when the air bag starts to inflate, the lug is in contact with the special-shaped block, the special-shaped block and the testing machine body form an elastic structure through the second spring, the special-shaped block clamps the main lug to make the special-shaped block difficult to move, when the pressure in the air bag is large enough, the lug moves along the inclined plane of the special-shaped block, the pressing block starts to move up and down, decompression of the soft butt joint pipe is achieved, opening of the air bag is achieved, when the air in the air bag is exhausted to a certain degree, the process is performed reversely, the pressing block is reset, the soft butt joint pipe is sealed, the air bag stores air again, and in the process, the second.

Preferably, the stock passes through the third spring and constitutes elastic construction with the test machine body, and the stock passes through the recess block with the filter screen and is connected, through reciprocating with the filter screen for the extension of third spring shrink drives the stock back-and-forth movement, from business turn over in the recess, and then can dismantle the filter screen, has the inclined plane in the recess of preferred, makes things convenient for the front end business turn over recess of stock.

Compared with the prior art, the beneficial effects of the utility model are that: this formaldehyde content testing device for air quality testing can store the air until can opening the gasbag for detection volume in the air is stable, has the scientificity, and can collect to the air of co-altitude not, accomplishes height-adjusting's effect, can dismantle the filter screen simultaneously, change the clearance, and the person of facilitating the use uses.

Drawings

FIG. 1 is a schematic side sectional view of the present invention;

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

FIG. 3 is a schematic view of the structure of the air bag according to the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

In the figure: 1. a tester body; 2. an electric motor; 3. an external thread screw; 4. an internal thread helicoid; 5. a suction table; 6. an air pump; 7. a gas delivery pipe; 8. an air bag; 9. a first spring; 10. a bump; 11. a special-shaped block; 12. a second spring; 13. butt-joint pipes; 14. a long rod; 15. a third spring; 16. a handle; 17. a filter screen; 18. a groove; 19. an inductor; 20. an alarm.

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. 1-4, the present invention provides a technical solution: a formaldehyde content detection device for air quality detection comprises a tester body 1, a motor 2, an external thread screw 3, an internal thread spiral ring 4, an air suction table 5, an air pump 6, an air pipe 7, an air bag 8, a first spring 9, a convex block 10, a special-shaped block 11, a second spring 12, a butt joint pipe 13, a long rod 14, a third spring 15, a handle 16, a filter screen 17, a groove 18, an inductor 19 and an alarm 20,

the outer part of the testing machine body 1 is provided with a motor 2, the output end of the motor 2 is fixedly connected with an outer thread screw 3, the outer surface of the outer thread screw 3 is connected with an inner thread helicoid 4, an air suction table 5 is connected with the outer surface of the testing machine body 1 in a penetrating way, the upper end of the air suction table 5 is fixedly connected with an air pump 6, the lower end of the air suction table 5 is fixedly connected with an air pipe 7, the other end of the air pipe 7 is positioned in an air bag 8, the air bag 8 is arranged in the testing machine body 1, the outer surface of the air bag 8 is fixedly connected with a first spring 9, the right end of the air bag 8 is connected with a soft butt joint pipe 13, the outer surface of the air bag 8 vertically corresponding to the soft butt joint pipe 13 is fixedly connected with a pressing block, the right side of the pressing block is provided with a convex block 10, the right end of the convex block 10 is provided with a special-shaped block 11 corresponding to the shape of the convex block, the outer surface of the special-shaped block 11 is fixedly connected with a second spring 12, and a long rod 14 is reserved on the inner surface of the testing machine body 1, and the left end fixedly connected with third spring 15 of stock 14 to the externally mounted of test machine body 1 has handle 16, and filter screen 17 fixed connection is at the surface of handle 16, and the inside of filter screen 17 reserves recess 18, and stock 14 can insert in this recess 18, and this internal inductor 19 that is equipped with of right-hand member test machine of filter screen 17, the right-hand member outside fixedly connected with alarm 20 of test machine body 1.

The external thread screw rod 3 is in threaded connection with the internal thread helicoid 4, the internal thread helicoid 4 and the air suction table 5 are of an integrated structure, after the motor 2 is turned on, the external thread screw rod 3 rotates to drive the air suction table 5 to move up and down, so that the height can be adjusted, and air with different densities can be collected.

The press blocks are divided into an upper press block and a lower press block which are respectively fixedly connected with the upper outer surface and the lower outer surface of the air bag 8 corresponding to the soft butt joint pipe 13, the air bag 8 and the tester body 1 form an elastic structure through the first spring 9, so that the uninflated air bag 8 utilizes the press blocks to pressurize and seal the soft butt joint pipe 13 under the action of the first spring 9, the air bag is in a sealed state, and after gas in the air bag is collected to a certain volume, the air bag expands upwards and downwards to drive the press blocks to separate, so that the soft butt joint pipe 13 is changed into a gradually opened state from a overstocked and sealed state;

lug 10 and briquetting integration setting, when the gasbag began to aerify, lug 10 and special-shaped piece 11 contact, and special-shaped piece 11 constitutes elastic structure through second spring 12 and test machine body 1, special-shaped piece card main lug makes it be difficult to remove, when gasbag internal pressure is big enough, the lug moves along the inclined plane of special-shaped piece, thereby make the briquetting begin to reciprocate, realize decompressing to soft butt joint pipe, realize opening of gasbag, when gaseous emission to certain extent in the gasbag, the above-mentioned process is reverse to be gone on, thereby realize the briquetting and reset, seal soft butt joint pipe 13, make the gasbag store gas once more, in-process, second spring 12 plays the effect that resets.

Stock 14 passes through third spring 15 and constitutes elastic construction with test machine body 1, and stock 14 passes through the recess 18 block with filter screen 17 to be connected, through reciprocating with filter screen 17 for the extension of third spring 15 shrink drives stock 14 back-and-forth movement, from the business turn over in the recess 18, and then can dismantle filter screen 17, has the inclined plane in the preferred recess 18, makes things convenient for the front end business turn over recess of stock 14.

The working principle is as follows: when the formaldehyde content detection device for air quality detection is used, according to the figures 1-4, firstly, the device is placed at a position needing to work, the motor 2 is started to enable the external thread screw 3 to start to rotate, because the external thread screw 3 is in threaded connection with the internal thread helicoid 4, and the internal thread helicoid 4 is integrally connected with the air suction table 5, the air suction table 5 starts to move up and down under the action of the external thread screw 3, a user can adjust the air suction table 5 to the required position according to the requirement of the user, at the moment, the air pump 6 is started, air is sucked into the testing machine body 1, the air bag 8 is in a sealed state under the action of the first spring 9, when air continuously enters, the air bag 8 starts to expand under the stress, when the lug 10 is in contact with the special-shaped block 11 and extrudes, the second spring 12 starts to contract, the lug 10 passes through the special-shaped block 11, at the moment, the upper and the lower pressing, the soft butt joint pipe 13 is not pressed any more, the air bag 8 is integrally opened and is fixed, the butt joint pipe 13 transmits the collected air in the air bag, when the air bag contracts, the process is carried out reversely, and the air bag is further sealed, so that the air in the air bag does not enter the sensor for formaldehyde detection, the interval detection of the air is realized, and the detection result is more scientific;

after gas constantly passes through filter screen 17, inductor 19 can detect through the formaldehyde content in the air of judging the conveying, if the result that detects surpasss the scope, then alarm 20 can receive the signal, begin the suggestion of reporting to the police, when the number of times of filter screen 17 application was too much need be changed the clearance, can grasp handle 16, upwards mentions handle 16, filter screen 17 can directly be dismantled, the person of facilitating the use washs the change, has increased holistic practicality.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a formaldehyde content testing device for air quality testing, includes test machine body (1), platform (5) of breathing in, gasbag (8), stock (14) and filter screen (17), its characterized in that: the testing machine is characterized in that a motor (2) is installed outside the testing machine body (1), the output end of the motor (2) is fixedly connected with an external thread screw (3), the outer surface of the external thread screw (3) is connected with an internal thread screw ring (4), the air suction table (5) is connected to the outer surface of the testing machine body (1) in a penetrating manner, the upper end of the air suction table (5) is fixedly connected with an air pump (6), the lower end of the air suction table (5) is fixedly connected with an air delivery pipe (7),

the other end of the gas pipe (7) is positioned in the gas bag (8), the gas bag (8) is installed inside the tester body (1), the outer surface of the gas bag (8) is fixedly connected with a first spring (9), the right end of the gas bag (8) is connected with a soft butt joint pipe (13), the outer surface of the gas bag (8) vertically corresponding to the soft butt joint pipe (13) is fixedly connected with a pressing block, the right side of the pressing block is provided with a convex block (10), the right end of the convex block (10) is provided with a special-shaped block (11) corresponding to the shape of the convex block, the outer surface of the special-shaped block (11) is fixedly connected with a second spring (12), the long rod (14) is reserved on the inner surface of the tester body (1), the left end of the long rod (14) is fixedly connected with a third spring (15), the handle (16) is installed outside the tester body (1), and the filter screen (17) is fixedly connected on the outer surface of the handle (16), and the inside of filter screen (17) is reserved recess (18), and stock (14) can insert in this recess (18) to be equipped with inductor (19) in right-hand member test machine body (1) of filter screen (17), right-hand member outside fixedly connected with alarm (20) of test machine body (1).

2. The formaldehyde content detection device for air quality detection according to claim 1, characterized in that: the external thread screw (3) is in threaded connection with the internal thread helicoid (4), and the internal thread helicoid (4) and the air suction table (5) are of an integrated structure.

3. The formaldehyde content detection device for air quality detection according to claim 1, characterized in that: the pressing block is divided into an upper pressing block and a lower pressing block, the upper pressing block and the lower pressing block are respectively fixedly connected with the upper outer surface and the lower outer surface of the air bag (8) corresponding to the soft butt joint pipe (13), and the air bag (8) and the testing machine body (1) form an elastic structure through a first spring (9).

4. The formaldehyde content detection device for air quality detection according to claim 1, characterized in that: the lug (10) and the pressing block are integrally arranged; the special-shaped block (11) and the testing machine body (1) form an elastic structure through a second spring (12).

5. The formaldehyde content detection device for air quality detection according to claim 1, characterized in that: the long rod (14) forms an elastic structure with the testing machine body (1) through a third spring (15), and the long rod (14) is connected with the filter screen (17) in a clamping mode through a groove (18).

6. The formaldehyde content detection device for air quality detection according to claim 5, characterized in that: the groove (18) is internally provided with an inclined surface, so that the front end of the long rod (14) can conveniently enter and exit the groove.