Air Detection Filter Paper Picking and Placing Device

Abstract

This utility model discloses a filter paper handling device for air detection, belonging to the field of air detection technology. The utility model includes a filter box and a mounting plate. The filter box has an inner cavity, with positioning blocks fixed on both sides of the inner wall. The top of the mounting plate has a placement groove into which a filter screen is inserted. An adjustment mechanism is slidably fitted on the mounting plate. The adjustment mechanism includes a slider, with a stop block fixed at the middle of the bottom of the slider, the stop block fitting into the placement groove. Stepped grooves are formed at both ends of the bottom of the slider, with T-shaped rods fitting into the stepped grooves. The thinner end of the T-shaped rod extends through the stepped groove and is fixed to a connecting rod. A spring is fitted onto the thinner end of the T-shaped rod, and the top of the spring is fixed to the top surface of the inner wall of the stepped groove. Through the slider, stepped grooves, stop blocks, T-shaped rods, springs, and connecting rods, this utility model allows for partial changes in the size of the placement groove during use, thereby enabling the device to meet the installation and use requirements of filter screens of different specifications and improving the device's performance.

Description

Technical Field

[0001] This utility model relates to the field of air detection technology, specifically to a filter paper handling device for air detection. Background Technology

[0002] Air quality monitoring devices require filter paper to filter fine dust in the air, thus preventing excessive dust accumulation inside the device. However, during use, dust gradually accumulates on the surface of the filter paper, necessitating a device for handling it. A Chinese utility model patent (publication number: CN222432983U) discloses a filter paper handling device for air quality monitoring. This device, through the combination of an adjustment mechanism and handling components, features a simple structure, vertical rotation, and the ability to collect air from multiple directions, thus improving the air collection effect.

[0003] However, the above-mentioned device still has some shortcomings in use. Specifically, the size of the slot for assembling the filter screen on the moving plate is fixed, making it difficult to adapt to different specifications of filter screens. When there is a size difference between the filter screen and the slot, the limiting position is not secure after installation, which can cause side leakage of air during the filtration process, reduce filtration efficiency, and thus affect the reliability of the test data. Therefore, a filter paper picking and placing device for air detection is proposed to address the above situation. Utility Model Content

[0004] The purpose of this utility model is to provide a filter paper loading and unloading device for air detection. Through the structural design of slider, stepped groove, stop block, T-shaped rod, spring and connecting rod, the size of the loading groove can be locally changed during use, so that the device can meet the installation and use requirements of filter screens of different specifications, improve the use effect of the device, and solve the problem that the size of the loading groove for assembling filter screens on the moving plate is fixed and it is difficult to adapt to filter screens of different specifications.

[0005] This utility model is achieved through the following technical solution: This utility model is a filter paper handling device for air detection, including a filter box and a mounting plate. The filter box has an inner cavity, and positioning blocks are fixed on both sides of the inner wall of the inner cavity. The top of the mounting plate has a placement groove, and a filter screen is inserted into the placement groove. An adjustment mechanism is slidably fitted on the mounting plate. The adjustment mechanism includes a slider, and a stop block is fixed in the middle of the bottom of the slider. The stop block is in clearance fit with the placement groove. Stepped grooves are opened at both ends of the bottom of the slider. A T-shaped rod is in clearance fit in the stepped groove. The thin end of the T-shaped rod passes through the stepped groove and is fixed to a connecting rod. A spring is sleeved on the thin end of the T-shaped rod, and the top of the spring is fixed to the top surface of the inner wall of the stepped groove.

[0006] Furthermore, openings for connecting placement slots are provided on both sides of the mounting plate, and an iron sheet is embedded in the top of the mounting plate, with the bottom of the T-shaped rod magnetically engaging with the iron sheet.

[0007] Furthermore, grooves are provided on both sides of the mounting plate, and the slider is shaped like an inverted "U". The two side plates of the slider slide in conjunction with the grooves.

[0008] Furthermore, a fan is provided on the front of the filter box, a vent is provided on the back of the filter box to connect to the inner cavity, and a cover plate is hinged to the top of the filter box to cover the inner cavity, and the cover plate is provided with a handle.

[0009] Furthermore, a "T"-shaped slot is provided on the positioning block, and "T"-shaped blocks are fixed on both sides of the mounting plate, with the blocks engaging with the slot.

[0010] Furthermore, collection boxes are fixed to the bottom of both sides of the mounting plate. When the mounting plate is snapped onto the positioning block, the collection boxes contact the bottom surface of the inner wall of the cavity.

[0011] This utility model has the following beneficial effects: This utility model, through the structural design of slider, stepped groove, stop block, T-shaped rod, spring and connecting rod, allows the size of the placement groove to be locally changed during use, thereby enabling the device to meet the installation and use requirements of filter screens of different specifications and improving the device's performance.

[0012] This invention features a collection box on the mounting plate. After the mounting plate is installed on the filter box, the collection box enters the inner cavity along with it. Thus, when the filter screen is replaced, dust and other impurities that fall off can be collected through the collection box, avoiding them from falling directly into the filter box and causing inconvenience in cleaning.

[0013] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the pick-and-place device.

[0015] Figure 2 This is a schematic diagram of the internal structure of the filter box.

[0016] Figure 3 This is a structural diagram of the mounting plate.

[0017] Figure 4 This is a schematic diagram of the internal structure of the adjustment mechanism.

[0018] Figure 5 This is a schematic diagram of the assembly structure of the mounting plate.

[0019] In the diagram: 1. Filter box; 10. Inner cavity; 11. Fan; 12. Ventilation opening; 13. Cover plate; 2. Positioning block; 3. Mounting plate; 30. Placement slot; 31. Opening; 32. Collection box; 4. Adjustment mechanism; 40. Slider; 41. Stepped groove; 42. Stop block; 43. T-shaped rod; 44. Spring; 45. Connecting rod; 5. Filter screen. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-5 This utility model provides a technical solution: an air detection filter paper handling device, including a filter box 1 and a mounting plate 3. The filter box 1 has an inner cavity 10. A fan 11 is provided on the front of the filter box 1. A ventilation port 12 communicating with the inner cavity 10 is provided on the back of the filter box 1. A cover plate 13 covering the inner cavity 10 is hinged to the top of the filter box 1. The cover plate 13 is provided with a handle.

[0022] The function of the fan 11 is to accelerate the airflow in the filter box 1, so that the air can pass through the filter screen 5 more quickly and evenly, thereby improving the filtration efficiency. The back of the filter box 1 is provided with a vent 12 that connects to the inner cavity 10. The size of the vent 12 is matched with the air volume of the fan 11 to ensure that the air can smoothly enter and exit the filter box 1. A protective net can also be installed at the vent 12 to prevent external debris from entering the filter box 1 and affecting the normal operation of the testing work.

[0023] The top of the filter box 1 is hinged with a cover plate 13 that covers the inner cavity 10. The cover plate 13 is also made of the same engineering plastic as the filter box 1. The cover plate 13 is equipped with a handle. The handle is ergonomically designed and has a non-slip surface, making it convenient for operators to open and close the cover plate 13. A sealing strip is also provided between the cover plate 13 and the filter box 1. When the cover plate 13 is closed, it can effectively prevent external air from entering the inner cavity 10 directly without being filtered by the filter screen 5, thus ensuring the accuracy of the test results.

[0024] Positioning blocks 2 are fixed on both sides of the inner wall of the inner cavity 10. A "T"-shaped slot is provided on the positioning block 2. A "T"-shaped block is fixed on both sides of the mounting plate 3. The block and the slot are engaged. A placement groove 30 is provided on the top of the mounting plate 3. An opening 31 communicating with the placement groove 30 is provided on both sides of the mounting plate 3. An iron sheet is embedded in the top of the mounting plate 3. A filter screen 5 is inserted into the placement groove 30. An adjustment mechanism 4 is slidably fitted on the mounting plate 3.

[0025] Furthermore, the method of air detection in this device is the same as that in existing technologies, and will not be elaborated further here.

[0026] The adjustment mechanism 4 includes a slider 40. The mounting plate 3 has grooves on both sides. The slider 40 is in the shape of an inverted "U". The two side plates of the slider 40 slide in the grooves. A stop block 42 is fixed at the middle of the bottom of the slider 40. The stop block 42 is in clearance fit with the placement groove 30. Stepped grooves 41 are opened at both ends of the bottom of the slider 40. A T-shaped rod 43 is in clearance fit in the stepped groove 41. A magnet is embedded at the bottom of the T-shaped rod 43. The bottom of the T-shaped rod 43 is magnetically attracted to the iron sheet through the magnet to achieve the positioning of the slider 40. The thin end of the T-shaped rod 43 passes through the stepped groove 41 and is fixed with a connecting rod 45. A spring 44 is sleeved on the thin end of the T-shaped rod 43. The top of the spring 44 is fixed to the top surface of the inner wall of the stepped groove 41.

[0027] Among them, the diameter of the bottom opening of the stepped groove 41 is larger than the diameter of the top opening, and the bottom of the T-shaped rod 43 is a thicker end with a larger diameter, while the top is a thinner end.

[0028] The stop block 42 is made of rubber and fits with the placement groove 30 with a clearance. The function of the stop block 42 is to limit the filter screen 5 when the slider 40 slides, so as to prevent the filter screen 5 from moving in the placement groove 30.

[0029] The function of spring 44 is to provide a restoring force for T-shaped rod 43. When the operator pulls the connecting rod 45 upward to separate T-shaped rod 43 from the iron plate, spring 44 can push T-shaped rod 43 to automatically reset, which is convenient for the next positioning. By adjusting the mechanism 4, the operator can manually slide the slider 40 to adjust the position of the stop block 42 according to the actual specifications of the filter screen 5, thereby achieving fine adjustment of the size of the placement groove 30, so that filter screens 5 of different specifications can be well limited and fixed in the placement groove 30, effectively improving the adaptability and versatility of the device for different filter screens 5.

[0030] Collection boxes 32 are fixed to the bottom of both sides of the mounting plate 3. When the mounting plate 3 is snapped onto the positioning block 2, the collection box 32 contacts the bottom surface of the inner wall of the inner cavity 10.

[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An air detection filter paper handling device, comprising a filter box (1), wherein an inner cavity (10) is provided on the filter box (1), and positioning blocks (2) are fixed on both sides of the inner wall of the inner cavity (10), characterized in that, Also includes: Mounting plate (3), the top of the mounting plate (3) is provided with a placement groove (30), a filter screen (5) is inserted into the placement groove (30), and an adjustment mechanism (4) slides on the mounting plate (3); The adjustment mechanism (4) includes a slider (40), a stop (42) is fixed at the middle of the bottom of the slider (40), the stop (42) is in clearance fit with the placement groove (30), and stepped grooves (41) are provided at both ends of the bottom of the slider (40). A T-shaped rod (43) is in clearance fit in the stepped groove (41). A connecting rod (45) is fixed after the thin end of the T-shaped rod (43) passes through the stepped groove (41). A spring (44) is sleeved on the thin end of the T-shaped rod (43), and the top of the spring (44) is fixed to the top surface of the inner wall of the stepped groove (41).

2. The air detection filter paper handling device according to claim 1, characterized in that, The mounting plate (3) has openings (31) for connecting placement grooves (30) on both sides. An iron sheet is embedded in the top of the mounting plate (3), and the bottom of the T-shaped rod (43) is magnetically attracted to the iron sheet.

3. The filter paper taking and placing device for air detection according to claim 2, wherein The mounting plate (3) has grooves on both sides, and the slider (40) is shaped like an inverted "U". The two side plates of the slider (40) slide in cooperation with the grooves.

4. The filter paper taking and placing device for air detection according to claim 1, wherein A fan (11) is provided on the front of the filter box (1), and a vent (12) communicating with the inner cavity (10) is provided on the back of the filter box (1). A cover plate (13) covering the inner cavity (10) is hinged to the top of the filter box (1), and the cover plate (13) is provided with a handle.

5. The filter paper taking and placing device for air detection according to claim 1, wherein The positioning block (2) has a "T" shaped slot, and both sides of the mounting plate (3) are fixed with "T" shaped blocks, which engage with the slot.

6. The filter paper taking and placing device for air detection according to claim 5, wherein Collection boxes (32) are fixed at the bottom of both sides of the mounting plate (3). When the mounting plate (3) is snapped onto the positioning block (2), the collection box (32) contacts the bottom surface of the inner wall of the inner cavity (10).

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