Formaldehyde reaction detector

Abstract

The utility model discloses a formaldehyde reaction detector, which relates to the technical field of formaldehyde detection and comprises a bottom plate. A fixing column is connected to the top end of the bottom plate, a fixing sleeve is connected to the outer wall of the fixing column, a rotating rod is movably connected to the interior of the fixing sleeve, and bolts are arranged in the rotating rod and the fixing sleeve; one end of the rotating rod is connected with a handle, and the other end is sleeved with a first gear; a second gear is arranged on the outer wall of the first gear and connected to the outer wall of the screw rod in a sleeving mode. The screw rod is movably connected with the lifting plate through a screw rod nut; a telescopic column is arranged at the top end of the lifting plate, each of the two ends of the telescopic column is fixedly connected with a set of limiting plates, and the top ends of the limiting plates are fixedly connected with two sets of fixing plates. The height of the device can be rapidly and conveniently adjusted by rotating the handle to drive the telescopic column to ascend and descend, and the height of the telescopic column can be fixed by inserting the plug pin into the fixing sleeve and the rotating rod.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde detection, in particular to a formaldehyde reaction detector. Background Art

[0002] Formaldehyde, also known as formic acid, is a naturally occurring organic compound and a colorless, irritating gas that can irritate the eyes and nose. Formaldehyde testing involves quantitatively detecting formaldehyde in air, water, food, clothing, wood, leather, and other materials using specific methods or instruments. Formaldehyde content can be used to measure the formaldehyde reaction.

[0003] When existing detectors detect formaldehyde gas in a house, it is difficult to quickly and conveniently adjust the height of the device and fix it to extract and detect formaldehyde gas at different heights. Utility Model Content

[0004] The purpose of the present utility model is to provide a formaldehyde reaction detector to solve the problem that when the existing detector proposed in the above background technology detects formaldehyde gas in a house, it is difficult to quickly and conveniently adjust the height of the device and fix it to extract and detect formaldehyde gas at different heights.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a formaldehyde reaction detector, comprising a base plate;

[0006] The top of the bottom plate is connected to a fixed column, the outer wall of the fixed column is connected to a fixed sleeve, the interior of the fixed sleeve is movably connected to a rotating rod, and a latch is provided between the rotating rod and the interior of the fixed sleeve;

[0007] One end of the rotating rod is connected to a handle, and the other end is sleeved with a first gear; a second gear is provided on the outer wall of the first gear, and the second gear is sleeved on the outer wall of the screw rod; the screw rod is movably connected to the lifting plate through a screw nut;

[0008] A telescopic column is provided at the top of the lifting plate, and each end of the telescopic column is fixedly connected to a group of limit plates, and the top of the limit plate is fixedly connected to two groups of fixed blocks.

[0009] Preferably, the interiors of the two groups of fixing blocks are fixedly connected with a first exhaust pipe, and one end of the outer wall of the first exhaust pipe is fixedly connected with an exhaust head.

[0010] Preferably, one end of the first exhaust pipe away from the exhaust head is fixedly connected to a detection box, and one end of the outer wall of the first exhaust pipe close to the detection box is fixedly connected to a first air pump.

[0011] Preferably, a formaldehyde sensor is fixedly connected to the interior of the detection box, and a display screen is fixedly connected to the top of the detection box.

[0012] Preferably, a second exhaust pipe is fixedly connected to one side of the outer wall of the detection box, and a second air pump is fixedly connected to one end of the outer wall of the second exhaust pipe away from the detection box.

[0013] Preferably, one end of the second exhaust pipe away from the detection box is fixedly connected to a purification box, and a cover is provided on the top of the purification box.

[0014] Preferably, the interior of the purification box is movably connected to an activated carbon plate, and a group of sliders are fixedly connected to each side of the outer wall of the activated carbon plate. Two groups of slide grooves are provided at the intersection of the two groups of sliders and the purification box.

[0015] The technical effects and advantages of this utility model are:

[0016] Considering the problem that when existing detectors are used to detect formaldehyde gas in a house, it is difficult to quickly and conveniently adjust and fix the height of the device to extract and detect formaldehyde gas at different heights.

[0017] The present application drives the rotating rod to rotate by rotating the handle, and the rotating rod drives the first gear to rotate. The first gear meshes with the second gear and drives it to rotate. The second gear drives the screw rod to rotate. The screw rod drives the screw nut to rise and fall through rotation. The screw nut drives the lifting plate to rise and fall. The lifting plate pushes the telescopic column to rise and fall. The limit plate can limit the lifting of the telescopic column. Thereafter, the telescopic column drives subsequent components to rise and fall. At the same time, the pin is inserted into the fixing sleeve and the rotating rod, and the rotating rod is fixed to fix the height of the telescopic column, so as to achieve the effect of quickly and conveniently adjusting the height of the device and fixing it. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the main structure of a formaldehyde reaction detector of the present utility model.

[0020] Figure 2 The figure is a side view structural diagram of a formaldehyde reaction detector of the present utility model.

[0021] Figure 3 This is a schematic cross-sectional view of the structure of a formaldehyde reaction detector according to the present invention.

[0022] Figure 4This is a schematic diagram of the cross-section structure of a formaldehyde reaction detector of the present invention.

[0023] Figure 5 The utility model is a schematic diagram of the explosion structure of a formaldehyde reaction detector.

[0024] In the figure: 1. Base plate; 2. Fixed column; 3. Fixed sleeve; 4. Rotating rod; 5. Handle; 6. Latch; 7. First gear; 8. Second gear; 9. Screw rod; 10. Screw nut; 11. Lifting plate; 12. Telescopic column; 13. Limiting plate; 14. Fixed block; 15. First exhaust pipe; 16. Exhaust head; 17. Detection box; 18. First air pump; 19. Formaldehyde sensor; 20. Display screen; 21. Second exhaust pipe; 22. Second air pump; 23. Purification box; 24. Cover; 25. Activated carbon plate; 26. Slider; 27. Slide groove. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] The utility model provides Figure 1-5 A formaldehyde reaction detector shown includes a base plate 1;

[0027] The top of the bottom plate 1 is connected to a fixed column 2, the outer wall of the fixed column 2 is connected to a fixed sleeve 3, the interior of the fixed sleeve 3 is movably connected to a rotating rod 4, and a latch 6 is provided inside the rotating rod 4 and the fixed sleeve 3;

[0028] One end of the rotating rod 4 is connected to a handle 5, and the other end is sleeved with a first gear 7; the outer wall of the first gear 7 is provided with a second gear 8, and the second gear 8 is sleeved on the outer wall of the screw rod 9; the screw rod 9 is movably connected to the lifting plate 11 through the screw nut 10;

[0029] A telescopic column 12 is provided at the top of the lifting plate 11 . A set of limit plates 13 are fixedly connected to each end of the telescopic column 12 . Two sets of fixing blocks 14 are fixedly connected to the top of the limit plates 13 .

[0030] The base plate 1 connects and secures the remaining components. The fixed column 2 accommodates the telescopic column 12, which extends and retracts within it. The fixed sleeve 3 cooperates with the latch 6 to secure the rotating rod 4. Rotating the rotating rod 4 drives the first gear 7. The handle 5 provides leverage for rotating the rotating rod 4. The latch 6 inserts into the fixed sleeve 3 and rotating rod 4 to secure the rotating rod 4. The first gear 7 engages with the second gear 8 and drives its rotation.

[0031] The second gear 8 rotates to drive the screw 9. The screw 9 rotates to drive the screw nut 10 up and down. The screw nut 10 drives the lifting plate 11 up and down. The lifting plate 11 drives the telescopic column 12 up and down. The telescopic column 12 drives the first exhaust pipe 15 at the top up and down. The limit plate 13 limits the position of the telescopic column 12. The fixing block 14 connects and fixes one end of the first exhaust pipe 15.

[0032] The interior of the two sets of fixing blocks 14 is fixedly connected to a first exhaust pipe 15 , and one end of the outer wall of the first exhaust pipe 15 is fixedly connected to an exhaust head 16 .

[0033] The first exhaust pipe 15 is a passage provided for extracting the air containing formaldehyde, and the exhaust head 16 is provided for conveniently extracting the air containing formaldehyde.

[0034] One end of the first exhaust pipe 15 away from the exhaust head 16 is fixedly connected to the detection box 17 , and one end of the outer wall of the first exhaust pipe 15 close to the detection box 17 is fixedly connected to the first air pump 18 .

[0035] The detection box 17 is for storing formaldehyde gas and detecting it in conjunction with internal components. The first air pump 18 is for providing power to extract air containing formaldehyde and send it into the detection box 17.

[0036] A formaldehyde sensor 19 is fixedly connected to the interior of the detection box 17 , and a display screen 20 is fixedly connected to the top of the detection box 17 .

[0037] The formaldehyde sensor 19 is used to contact the formaldehyde gas and transmit a signal to the display screen 20. The display screen 20 is used to display the detected data.

[0038] A second exhaust pipe 21 is fixedly connected to one side of the outer wall of the detection box 17 , and a second air pump 22 is fixedly connected to one end of the outer wall of the second exhaust pipe 21 away from the detection box 17 .

[0039] The second exhaust pipe 21 is a passage for extracting the formaldehyde gas detected in the detection box 17 . The second air pump 22 is used to provide power to extract the formaldehyde gas detected in the detection box 17 and send it into the purification box 23 .

[0040] One end of the second exhaust pipe 21 away from the detection box 17 is fixedly connected to a purification box 23 , and a cover 24 is provided on the top of the purification box 23 .

[0041] The purification box 23 is used to purify the formaldehyde gas detected by cooperating with the internal components. The cover 24 is used to facilitate the removal and replacement of the internal activated carbon plate 25 by opening it.

[0042] An activated carbon plate 25 is movably connected to the interior of the purification box 23 , and a set of sliders 26 are fixedly connected to each side of the outer wall of the activated carbon plate 25 . Two sets of chutes 27 are provided where the two sets of sliders 26 intersect with the purification box 23 .

[0043] The activated carbon plate 25 is used to absorb formaldehyde in the air and purify odors. The slider 26 is used to support the activated carbon plate 25 in conjunction with the chute 27. The chute 27 is provided to facilitate sliding the slider 26 inside to remove and replace the activated carbon plate 25.

[0044] Working principle: When using this formaldehyde reaction detector, the user starts the first air pump 18 to extract the air containing formaldehyde through the exhaust head 16, and sends it into the detection box 17 through the first exhaust pipe 15. After the formaldehyde sensor 19 comes into contact with the gas, it transmits a signal to the display screen 20. The display screen 20 displays the data. Then the second air pump 22 is started to extract the formaldehyde gas after detection through the second exhaust pipe 21 and send it into the purification box 23. The activated carbon plate 25 absorbs the formaldehyde in the air and purifies the odor. Then the air is discharged through the through hole in the cover body 24. At the same time, the slider 26 and the slide groove 27 cooperate to support the activated carbon plate 25 and facilitate its replacement.

[0045] Then, the rotating handle 5 is rotated to drive the rotating rod 4 to rotate, and the rotating rod 4 drives the first gear 7 to rotate. The first gear 7 meshes with the second gear 8 and drives it to rotate. The second gear 8 drives the screw rod 9 to rotate. The screw rod 9 drives the screw nut 10 to rise and fall through rotation. The screw nut 10 drives the lifting plate 11 to rise and fall. The lifting plate 11 pushes the telescopic column 12 to rise and fall. The limit plate 13 can limit the lifting and lowering of the telescopic column 12. Then, the telescopic column 12 drives one end of the first exhaust pipe 15 and the exhaust head 16 to rise and fall, so that the height of the device can be adjusted, and formaldehyde gas at different heights can be extracted and detected. At the same time, the pin 6 is inserted into the fixing sleeve 3 and the rotating rod 4, and the rotating rod 4 is fixed to drive the height of the telescopic column 12 to be fixed.

[0046] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A formaldehyde reaction detector, comprising a base plate (1), characterized in that: The top end of the bottom plate (1) is connected to a fixed column (2), the outer wall of the fixed column (2) is connected to a fixed sleeve (3), the interior of the fixed sleeve (3) is movably connected to a rotating rod (4), and a latch (6) is provided inside the rotating rod (4) and the fixed sleeve (3); One end of the rotating rod (4) is connected to a handle (5), and the other end is sleeved with a first gear (7); a second gear (8) is provided on the outer wall of the first gear (7), and the second gear (8) is sleeved on the outer wall of the screw rod (9); the screw rod (9) is movably connected to the lifting plate (11) through a screw nut (10); A telescopic column (12) is provided at the top of the lifting plate (11), and a group of limiting plates (13) are fixedly connected to each end of the telescopic column (12), and two groups of fixing blocks (14) are fixedly connected to the top of the limiting plates (13).

2. A formaldehyde reaction detector according to claim 1, characterized in that: The interiors of the two groups of fixed blocks (14) are fixedly connected to a first exhaust pipe (15), and one end of the outer wall of the first exhaust pipe (15) is fixedly connected to an exhaust head (16).

3. A formaldehyde reaction detector according to claim 2, characterized in that: One end of the first exhaust pipe (15) away from the exhaust head (16) is fixedly connected to a detection box (17), and one end of the outer wall of the first exhaust pipe (15) close to the detection box (17) is fixedly connected to a first air pump (18).

4. A formaldehyde reaction detector according to claim 3, characterized in that: A formaldehyde sensor (19) is fixedly connected to the interior of the detection box (17), and a display screen (20) is fixedly connected to the top of the detection box (17).

5. A formaldehyde reaction detector according to claim 4, characterized in that: A second exhaust pipe (21) is fixedly connected to one side of the outer wall of the detection box (17), and a second air pump (22) is fixedly connected to one end of the outer wall of the second exhaust pipe (21) away from the detection box (17).

6. A formaldehyde reaction detector according to claim 5, characterized in that: One end of the second exhaust pipe (21) away from the detection box (17) is fixedly connected to a purification box (23), and a cover (24) is provided at the top of the purification box (23).

7. A formaldehyde reaction detector according to claim 6, characterized in that: An activated carbon plate (25) is movably connected inside the purification box (23), and a group of sliders (26) are fixedly connected on each side of the outer wall of the activated carbon plate (25). Two groups of slide grooves (27) are provided at the intersection of the two groups of sliders (26) and the purification box (23).

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