Formaldehyde detection equipment suitable for indoor use

Abstract

The utility model relates to indoor formaldehyde detection equipment which comprises a base, a detector mounted at one end of the top of the base, an adjusting suction mechanism mounted at the other end of the top of the base, a filter box mounted on one side of the detector at the top of the base, and two groups of activated carbon plates mounted on the filter box through a positioning extraction mechanism, and the positioning extraction mechanism comprises a lifting placement assembly, a butt joint assembly and a positioning assembly, the lifting placement assembly is used for changing the positions of the two sets of activated carbon plates, the butt joint assembly is used for preliminarily abutting the two sets of activated carbon plates to the lifting placement assembly, and the positioning assembly is used for locking the positions of the two sets of activated carbon plates. The activated carbon plate has the beneficial effects that the activated carbon plate can be conveniently taken down to be cleaned and replaced, and the subsequent gas filtering effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde detection equipment, in particular to formaldehyde detection equipment suitable for indoor use. Background Art

[0002] The pollution of newly renovated houses is mainly caused by the presence of many kinds of volatile organic compounds in the indoor air, and formaldehyde is one of the important pollution sources. The main sources of formaldehyde pollution are all furniture and floors made of artificial board materials, as well as adhesives. The more these materials are used, the more formaldehyde pollution will increase in theory. In order to carry out targeted treatment of formaldehyde pollution, it is necessary to detect indoor formaldehyde. Although the existing device can detect air in different directions at the same height, when in use, after detecting formaldehyde in the air, the air containing formaldehyde is directly discharged, and the part of the detected air containing formaldehyde cannot be well purified. Improvements can be made to this problem.

[0003] In the prior art, a Chinese patent with the announcement number CN219799400U discloses an indoor formaldehyde detection device: it includes: a horizontal plate, a formaldehyde detector is fixedly installed on the top of the horizontal plate, an exhaust port is fixedly installed on the right side of the formaldehyde detector, and an activated carbon plate is fixedly installed inside the exhaust port. Although it can play a certain purification role while detecting formaldehyde in the air, the activated carbon plate will be saturated with adsorption after a period of use. However, the activated carbon plate is fixedly installed inside the exhaust port, and it is difficult for the staff to clean or replace it, which affects the filtering effect of the subsequent detection gas. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a formaldehyde detection device suitable for indoor use, which is convenient for removing the activated carbon plate for cleaning and replacement, thereby ensuring the subsequent gas filtering effect.

[0005] The utility model provides the following technical solution: a formaldehyde detection device suitable for indoor use, comprising: a base, a detection machine is installed at one end of the top of the base, an adjustment suction mechanism is installed at the other end of the top of the base, a filter box is installed on the top of the base on one side of the detection machine, two groups of activated carbon plates are installed on the filter box through a positioning and extraction mechanism, the positioning and extraction mechanism comprises a lifting and placement component, a docking component and a positioning component, the lifting and placement component is used to change the positions of the two groups of activated carbon plates, the docking component is used to preliminarily dock the two groups of activated carbon plates on the lifting and placement component, and the positioning component is used to lock the positions of the two groups of activated carbon plates.

[0006] Preferably, the lifting and placing assembly includes a mounting cylinder installed at one end of the top of the filter box, the top of the filter box is located on the inner side of the mounting cylinder and is rotatably connected to a first threaded rod, a movable groove is provided on one side of the mounting cylinder, a movable block is threadedly connected to the outer side of the first threaded rod, the movable block and the movable groove are slidably connected, a lifting frame is installed at one end of the movable block, and a placing seat is installed at both ends of the bottom of the lifting frame, connecting grooves that engage with the two ends of the bottom of the lifting frame are provided at both ends of the top of the filter box, sliding grooves that are slidably connected to the placing seat are provided at the bottom ends of the inner side of the connecting groove at both ends of the top of the filter box, a placing groove is provided on the inner side of the placing seat, and a discharge pipe is embedded and installed on one side of the filter box.

[0007] Preferably, sealing rings are embedded at both ends of the bottom of the lifting frame and the top of the inner side of the sliding groove, and a first handle is rotatably connected to the top of the installation tube. The bottom end of the first handle extends to the inside of the installation tube and is fixedly connected to one end of the first threaded rod.

[0008] Preferably, the docking assembly includes a mounting seat installed on one side of the two groups of activated carbon plates, the mounting seat is fitted with the inner wall of the placement groove, a positioning rod is slidably connected to the inside of the lifting frame, a pull ring is installed on the top of the positioning rod, a retraction groove is provided at the bottom end of the lifting frame near the placement seat, a clamping block is installed on the inner side of the retraction groove at the bottom end of the positioning rod, a positioning block is installed on the bottom end of the clamping block, a movable groove is provided on the outer side of the positioning rod inside the lifting frame, a movable disk is rotatably connected to the outer side of the positioning rod, the movable disk and the movable groove are slidably connected, extrusion springs are installed on both sides of the inner wall of the movable groove and between the movable disk, and the side section of the clamping block is U-shaped.

[0009] Preferably, the positioning assembly includes a mounting groove opened inside the mounting seat, a rotating disk is rotatably connected to the inner side of the mounting groove, first springs are installed at both ends of the top of the rotating disk, a docking disk is installed at the top of the first spring, a positioning groove is opened on the top of the docking disk to engage with the positioning block, a connecting groove is opened on one side of the mounting groove at the top of the mounting seat, the length and width of the connecting groove are slightly larger than the length and width of the blocking block, and the mounting seat is provided with card grooves at both ends at the top of the inner wall of the mounting groove to engage with the U-shaped protrusions on both sides of the blocking block.

[0010] Preferably, the adjusting suction mechanism includes an adjusting seat installed on the top of the base on one side of the detection machine, an adjusting groove is opened on one side of the adjusting seat, a second threaded rod is rotatably connected to the inner side of the adjusting groove, an adjusting plate is threadedly connected to the outer side of the second threaded rod, the adjusting plate and the adjusting groove are slidingly connected, a second handle is rotatably connected to the top of the adjusting seat, one end of the second handle extends to the inner side of the adjusting groove and is fixedly connected to one end of the second threaded rod, an electric suction head is installed on one side of the adjusting plate, a first branch pipe extending to the inside of the detection machine is installed on the other end of the electric suction head, and a second branch pipe extending to the inside of the filter box is installed on the other end of the detection machine.

[0011] Preferably, universal wheels are installed at the bottom corners of the base, and the universal wheels are lockable universal wheels.

[0012] The beneficial effects of the utility model are: the positions of the two groups of activated carbon plates are changed by the lifting and placing assembly, the docking assembly preliminarily docks the two groups of activated carbon plates on the lifting and placing assembly, the positioning assembly locks the positions of the two groups of activated carbon plates, and the activated carbon plates can be removed for cleaning and replacement to ensure the subsequent gas filtration effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a partial cross-sectional structural schematic diagram of the positioning and extraction mechanism of the utility model;

[0015] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0016] In the figure: 1. base; 2. detection machine; 3. filter box; 4. movable disk; 5. activated carbon plate; 6. mounting cylinder; 7. first threaded rod; 8. moving block; 9. lifting frame; 10. placement seat; 11. sealing ring; 12. mounting seat; 13. positioning rod; 14. clamping block; 15. positioning block; 16. movable groove; 17. mounting groove; 18. rotating disk; 19. docking disk; 20. connecting groove; 21. universal wheel; 22. clamping slot; 23. adjustment seat; 24. second threaded rod; 25. adjustment plate; 26. electric suction head. DETAILED DESCRIPTION

[0017] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0018] Example

[0019] like Figures 1 to 3As shown, a formaldehyde detection device suitable for indoor use comprises: a base 1, a detection machine 2 is installed at one end of the top of the base 1, an adjustment and suction mechanism is installed at the other end of the top of the base 1, a filter box 3 is installed on the top of the base 1 on one side of the detection machine 2, two groups of activated carbon plates 5 are installed on the filter box 3 through a positioning and extraction mechanism, the positioning and extraction mechanism comprises a lifting and placing component, a docking component and a positioning component, the lifting and placing component is used to change the positions of the two groups of activated carbon plates 5, the docking component is used to preliminarily dock the two groups of activated carbon plates 5 on the lifting and placing component, and the positioning component is used to lock the positions of the two groups of activated carbon plates 5, the device can change the positions of the two groups of activated carbon plates 5 through the lifting and placing component when in use, the docking component preliminarily docks the two groups of activated carbon plates 5 on the lifting and placing component, and the positioning component locks the positions of the two groups of activated carbon plates 5, the result is simple and the operation is convenient, and the activated carbon plates 5 can be removed for cleaning and replacement by only pressing and turning, so as to ensure the subsequent gas filtering effect.

[0020] The docking assembly includes a mounting seat 12 installed on one side of the two groups of activated carbon plates 5, the mounting seat 12 is fitted with the inner wall of the placement groove, a positioning rod 13 is slidably connected inside the lifting frame 9, a pull ring is installed on the top of the positioning rod 13, a retraction groove is opened at the bottom of the lifting frame 9 near the placement seat 10, a card block 14 is installed on the inside of the retraction groove at the bottom of the positioning rod 13, a positioning block 15 is installed on the bottom of the card block 14, a movable groove 16 is opened inside the lifting frame 9 on the outside of the positioning rod 13, and a movable groove 16 is rotatably connected to the outside of the positioning rod 13 Disk 4, movable disk 4 and movable groove 16 are slidably connected, extrusion springs 4 are installed on both sides of the inner wall of the movable groove 16 and between the movable disk 4, and the side section of the card block 14 is U-shaped. First, pinch the pull ring to cooperate with the movable disk 4, the extrusion spring and the movable groove to push downward to separate the card block 14 from the card slot, then twist the pull ring to cooperate with the positioning block 15, the positioning groove, the docking disk 19 and the first spring to drive the rotating disk 18 to rotate, so that the card block 14 is longitudinally aligned with the docking groove, and then the pull ring can be released and the card block 14 can be pulled out from the docking groove.

[0021] The positioning assembly includes a mounting groove 17 opened inside the mounting seat 12, and a rotating disk 18 is rotatably connected to the inner side of the mounting groove 17. First springs are installed at both ends of the top of the rotating disk 18, and a docking disk 19 is installed at the top of the first spring. A positioning groove that is engaged with the positioning block 15 is opened at the top of the docking disk 19. A connecting groove 20 is opened on one side of the mounting groove 17 at the top of the mounting seat 12. The length and width of the connecting groove 20 are slightly larger than the length and width of the card block 14. The mounting seat 12 is located at both ends of the top of the inner wall of the mounting groove 17. A card groove 22 is opened that is engaged with the U-shaped protrusions on both sides of the card block 14. Then, when installing, it is only necessary to insert the mounting seat 12 into the inner side of the placement groove, and then press the pull ring to actively compress the movable disk 4 and drive the extrusion spring to move, so that the card block 14 is inserted into the inner side of the docking groove. Then, the steps of disassembly are repeated in reverse to rotate the card block 14 to the horizontal direction to complete the fixation. The connection is close and not easy to loosen and fall off.

[0022] The lifting and placing assembly includes a mounting cylinder 6 installed at one end of the top of the filter box 3. The top of the filter box 3 is located inside the mounting cylinder 6 and is rotatably connected to a first threaded rod 7. A moving groove is provided on one side of the mounting cylinder 6. A moving block 8 is threadedly connected to the outer side of the first threaded rod 7. The moving block 8 and the moving groove are slidably connected. A lifting frame 9 is installed at one end of the moving block 8. Both ends of the bottom of the lifting frame 9 are installed with a placing seat 10. Both ends of the top of the filter box 3 are provided with docking grooves that engage with the two ends of the bottom of the lifting frame 9. Both ends of the top of the filter box 3 are located at the bottom end of the inner side of the docking groove and are provided with sliding grooves that are slidably connected to the placing seat 10. A placing groove is provided inside the placing seat 10. The filter box 3 A discharge pipe is embedded and installed on one side, and sealing rings 11 are embedded and installed at both ends of the bottom of the lifting frame 9 and the top of the inner side of the sliding groove. The top of the mounting tube 6 is rotatably connected to a first handle, and the bottom end of the first handle extends to the inner side of the mounting tube 6 and is fixedly connected to one end of the first threaded rod 7. Further, the first handle is held and rotated, and the lifting frame 9 is driven to move down or up in cooperation with the first threaded rod 7, the moving block 8 and the moving groove. When the placement seat 10 and the activated carbon plate 5 are inserted into the interior of the filter box 3, filtering can be carried out, otherwise they can be lifted up for disassembly and replacement. The installation of the sealing ring 11 can improve the sealing of the joints to avoid a large amount of unpurified gas from seeping out when the activated carbon plate 5 is replaced.

[0023] The adjusting suction mechanism includes an adjusting seat 23 installed on the top of the base 1 and located on one side of the detection machine 2. An adjusting groove is opened on one side of the adjusting seat 23. A second threaded rod 24 is rotatably connected to the inner side of the adjusting groove. An adjusting plate 25 is threadedly connected to the outer side of the second threaded rod 24. The adjusting plate 25 is slidably connected to the adjusting groove. A second handle is rotatably connected to the top of the adjusting seat 23. One end of the second handle extends to the inner side of the adjusting groove and is fixedly connected to one end of the second threaded rod 24. An electric suction head 26 is installed on one side of the adjusting plate 25. The other end of the electric suction head 26 is installed with a first branch pipe extending to the inside of the detection machine 2. The other end of the detection machine 2 is installed with a second branch pipe extending to the inside of the filter box 3. Universal wheels 20 are installed at the bottom corners of the base 1. The universal wheels 20 are lockable universal wheels. Furthermore, rotating the second handle can drive the second threaded rod 24 to rotate, and cooperate with the adjusting plate 25 and the adjusting groove to change the position of the electric suction head 26, so as to absorb gases from different places for detection.

[0024] Implementation scheme: pinch the pull ring to cooperate with the movable disk 4, the extrusion spring and the movable groove to push downward, so that the card block 14 is separated from the card slot, and then twist the pull ring to cooperate with the positioning block 15, the positioning groove, the docking disk 19 and the first spring to drive the rotating disk 18 to rotate, so that the card block 14 is longitudinally aligned with the docking groove. Then, the pull ring can be released, and the card block 14 can be pulled out of the docking groove. Conversely, when installing, it is only necessary to insert the mounting seat 12 into the inner side of the placement groove, and then press the pull ring to actively compress the movable disk 4 and drive the extrusion spring to move, and insert the card block 14 into the inner side of the docking groove, and then repeat the steps of disassembly in reverse to rotate the card block 14 to the horizontal direction. After the fixation is completed, the connection is close and not easy to loosen and fall off, hold the first handle and rotate it, cooperate with the first threaded rod 7, moving block 8 and moving groove to drive the lifting frame 9 to move down or up, and filter when the placement seat 10 and the activated carbon plate 5 are inserted into the filter box 3, otherwise they can be lifted up for disassembly and replacement. The installation of the sealing ring 11 can improve the sealing of the joints to avoid a large amount of unpurified gas from seeping out when replacing the activated carbon plate 5. Rotating the second handle can drive the second threaded rod 24 to rotate, and cooperate with the adjusting plate 25 and the adjusting groove to change the position of the electric suction head 26 to absorb gases from different places for detection.

[0025] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A formaldehyde detection device suitable for indoor use, characterized in that: include: A base, a detector is installed at one end of the top of the base, an adjusting suction mechanism is installed at the other end of the top of the base, a filter box is installed on the top of the base on one side of the detector, two groups of activated carbon plates are installed on the filter box through a positioning and extraction mechanism, the positioning and extraction mechanism includes a lifting and placement component, a docking component and a positioning component, the lifting and placement component is used to change the positions of the two groups of activated carbon plates, the docking component is used to preliminarily dock the two groups of activated carbon plates on the lifting and placement component, and the positioning component is used to lock the positions of the two groups of activated carbon plates.

2. A formaldehyde detection device suitable for indoor use according to claim 1, characterized in that: The lifting and placing assembly includes a mounting cylinder installed at one end of the top of the filter box, the top of the filter box is located on the inner side of the mounting cylinder and is rotatably connected to a first threaded rod, a moving groove is provided on one side of the mounting cylinder, a moving block is threadedly connected to the outer side of the first threaded rod, the moving block and the moving groove are slidably connected, a lifting frame is installed at one end of the moving block, and a placing seat is installed at both ends of the bottom of the lifting frame, connecting grooves that engage with the two ends of the bottom of the lifting frame are provided at both ends of the top of the filter box, sliding grooves that are slidably connected to the placing seat are provided at the bottom ends of the inner side of the connecting grooves at both ends of the top of the filter box, a placing groove is provided on the inner side of the placing seat, and a discharge pipe is embedded and installed on one side of the filter box.

3. A formaldehyde detection device suitable for indoor use according to claim 2, characterized in that: Sealing rings are embedded and installed at both ends of the bottom of the lifting frame and the top of the inner side of the sliding groove. The top of the installation tube is rotatably connected to a first handle, and the bottom end of the first handle extends to the inner side of the installation tube and is fixedly connected to one end of the first threaded rod.

4. A formaldehyde detection device suitable for indoor use according to claim 3, characterized in that: The docking assembly includes a mounting seat installed on one side of the two groups of activated carbon plates, the mounting seat is fitted with the inner wall of the placement groove, a positioning rod is slidably connected inside the lifting frame, a pull ring is installed on the top of the positioning rod, a retraction groove is opened at the bottom end of the lifting frame near the placement seat, a clamping block is installed on the inner side of the retraction groove at the bottom end of the positioning rod, a positioning block is installed on the bottom end of the clamping block, a movable groove is opened on the outer side of the positioning rod inside the lifting frame, a movable disk is rotatably connected to the outer side of the positioning rod, the movable disk and the movable groove are slidably connected, extrusion springs are installed on both sides of the inner wall of the movable groove and between the movable disk, and the side section of the clamping block is U-shaped.

5. A formaldehyde detection device suitable for indoor use according to claim 4, characterized in that: The positioning assembly includes a mounting groove opened inside the mounting seat, a rotating disk is rotatably connected to the inner side of the mounting groove, first springs are installed at both ends of the top of the rotating disk, a docking disk is installed at the top of the first spring, a positioning groove is opened at the top of the docking disk and is engaged with the positioning block, a connecting groove is opened at one side of the top of the mounting seat on the mounting groove, the length and width of the connecting groove are slightly larger than the length and width of the block, and the mounting seat is provided with card grooves at both ends of the top of the inner wall of the mounting groove that are engaged with the U-shaped protrusions on both sides of the block.

6. A formaldehyde detection device suitable for indoor use according to claim 5, characterized in that: The adjusting suction mechanism includes an adjusting seat installed on the top of the base and located on one side of the detection machine. An adjusting groove is opened on one side of the adjusting seat. A second threaded rod is rotatably connected to the inner side of the adjusting groove. An adjusting plate is threadedly connected to the outer side of the second threaded rod. The adjusting plate and the adjusting groove are slidingly connected. A second handle is rotatably connected to the top of the adjusting seat. One end of the second handle extends to the inner side of the adjusting groove and is fixedly connected to one end of the second threaded rod. An electric suction head is installed on one side of the adjusting plate. A first branch pipe extending to the inside of the detection machine is installed on the other end of the electric suction head. A second branch pipe extending to the inside of the filter box is installed on the other end of the detection machine.

7. A formaldehyde detection device suitable for indoor use according to claim 6, characterized in that: Universal wheels are installed at the bottom corners of the base, and the universal wheels are lockable universal wheels.

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