Environment detection instrument
By employing a combination structure of a fixed rod, torsion spring, and rotating plate in the environmental monitoring instrument, the air inlet is automatically sealed, solving the problem of debris entering the device due to the need for manual sealing after use of traditional dust samplers, thus improving the stability and reliability of the equipment.
Patent Information
- Application Number
- CN202423136489.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Traditional dust samplers require manual sealing of the air inlet after use, which can easily lead to the entry of external debris and affect the normal operation of the equipment.
An environmental monitoring instrument was designed, which adopts a combination structure of a fixed rod, a torsion spring and a rotating plate to automatically seal the top inlet. The air inlet head can be quickly disassembled and sealed by the elastic action of the torsion spring.
It achieves automatic sealing of the air inlet, avoiding leakage problems, ensuring that the inside of the equipment is not invaded by external debris, and improving the stability and reliability of the equipment.
Smart Images

Figure CN223883539U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to environmental detection instrument technical field, concretely is a kind of environmental detection instrument. BACKGROUND
[0002] In order to detect the air in a certain area, it is often necessary to install several environmental air detection instruments in the area, wherein the air detection instrument includes a dust sampler to monitor the dust concentration in the air.
[0003] When using the traditional dust sampler, an air inlet device is often installed on the top of the equipment. Under the action of the air inlet device, air passes through the air inlet device and enters the inner cavity of the detection equipment. However, after using the traditional equipment, the air inlet on the top of the equipment needs to be plugged. The traditional equipment can only be manually closed by the staff after use, which has certain omission problems. If it is not closed after use, the inlet on the top of the equipment will not be closed, which will cause external debris to enter the equipment, thereby affecting the normal use of the equipment. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides an environmental detection instrument, which has the advantages of automatically closing the top inlet and installing stable support, and solves the problems raised in the above background art.
[0005] The utility model provides the following technical scheme: an environmental detection instrument, which comprises an equipment body, a display screen is fixedly assembled on the outer wall of the equipment body, an operation button is fixedly assembled on the outer wall of the equipment body, an air inlet head is fixedly assembled on the top of the equipment body, a fixing rod is fixedly assembled on the top of the equipment body, a fixing plate is fixedly assembled on the top of the fixing rod, a torsional spring is movably sleeved on the outer wall of the fixing rod, a rotating plate is rotatably connected to the outer wall of the fixing rod, a baffle is fixedly assembled on the top of the equipment body, a supporting plate is fixedly assembled on the outer wall of the equipment body, a fixing box is fixedly assembled on the top of the supporting plate, a telescopic plate is movably sleeved in the inner cavity of the fixing box, a sliding groove is formed in the top of the fixing box, a pull rod is fixedly assembled on the top of the telescopic plate, a supporting rod is fixedly assembled on the inner wall of the fixing box, a driving spring is movably sleeved on the outer wall of the supporting rod, and a movable slot is formed in the inner cavity of the telescopic plate.
[0006] As a preferred technical scheme of the utility model: the outer wall of the torsional spring is inserted into the inner cavities of the rotating plate and the fixing plate respectively, and the torsional spring is made of high-carbon steel.
[0007] As a preferred technical scheme of the utility model: the outer wall diameter of the fixing plate is greater than the outer wall diameter of the fixing rod, and the outer wall shape of the baffle matches the outer wall shape of the rotating plate.
[0008] As a preferred technical scheme of the utility model: the outer wall shape of the telescopic plate is matched with the inner wall shape of the fixed box, and the outer wall two ends of the drive spring are respectively in contact with the outer wall of the telescopic plate and the inner wall of the fixed box.
[0009] As a preferred technical scheme of the utility model: the inner wall diameter of the movable groove is matched with the outer wall diameter of the supporting rod, the number of the sliding grooves is two, and the two sliding grooves are respectively arranged on the top two sides of the fixed box.
[0010] As a preferred technical scheme of the utility model: the inner cavity depth of the movable groove is equal to the outer wall length of the supporting rod, and the drive spring is prepared from high carbon steel.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1、The environmental detection instrument, through the fixed rod installed on the top of the equipment body and the torsional spring arranged on the outer wall of the fixed rod, can drive the rotating plate under the action of the torsional spring, so that after the air inlet head is taken off from the top of the equipment body, the rotating plate will be quickly attached to the top of the equipment body under the action of the torsional spring, thereby realizing quick closing of the air inlet under the action of the rotating plate after the air inlet head is disassembled, avoiding the forgetting of the traditional equipment.
[0013] 2、The environmental detection instrument, through the supporting plate arranged on the top of the equipment body and the installation of the fixed box under the action of the supporting plate, makes the telescopic plate in the fixed box move outward, so that the top of the telescopic plate can play a lifting role on the bottom of the air inlet head, and then realizes the auxiliary fixing of the air inlet head, so that the air inlet head is better installed on the top of the equipment body and better performs the air inlet operation. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is an equipment body structure schematic view of the utility model;
[0016] Figure 3 It is a supporting plate structure schematic view of the utility model;
[0017] Figure 4 It is a rotating plate structure schematic view of the utility model;
[0018] Figure 5 It is a telescopic plate structure schematic view of the utility model.
[0019] In the figure: 1, the device body; 2, display screen; 3, operating button; 4, air inlet head; 5, fixed rod; 6, fixed plate; 7, torsion spring; 8, rotating plate; 9, baffle; 10, support plate; 11, fixed box; 12, telescopic plate; 13, sliding groove; 14, pull rod; 15, support rod; 16, drive spring; 17, movable slot. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Please refer to Figure 1 Figure 5 An environmental detection instrument, including device body 1, the outer wall of device body 1 is fixedly equipped with display screen 2, the outer wall of device body 1 is fixedly equipped with operating button 3, the top of device body 1 is fixedly equipped with air inlet head 4, the top of device body 1 is fixedly equipped with fixed rod 5, the top of fixed rod 5 is fixedly equipped with fixed plate 6, the outer wall of fixed rod 5 is movably sleeved with torsion spring 7, the outer wall of fixed rod 5 is rotatably connected with rotating plate 8, the top of device body 1 is fixedly equipped with baffle 9, the outer wall of device body 1 is fixedly equipped with support plate 10, the top of support plate 10 is fixedly equipped with fixed box 11, the inner cavity of fixed box 11 is movably sleeved with telescopic plate 12, the top of fixed box 11 is provided with sliding groove 13, the top of telescopic plate 12 is fixedly equipped with pull rod 14, the inner wall of fixed box 11 is fixedly equipped with support rod 15, the outer wall of support rod 15 is movably sleeved with drive spring 16, the inner cavity of telescopic plate 12 is provided with movable slot 17.
[0022] In the above structure, the fixed rod 5 provided on the top of the device body 1 and the torsion spring 7 provided on the outer wall of the fixed rod 5 can provide power to the rotating plate 8 under the action of the torsion spring 7, so that the rotating plate 8 can rotate under the action of the torsion spring 7, so that the outer wall of the rotating plate 8 can be rotated and covered on the top of the device body 1.
[0023] In a preferred embodiment: the outer wall of the torsion spring 7 is inserted into the inner cavity of the rotating plate 8 and the fixed plate 6 respectively, and the torsion spring 7 is made of high carbon steel.
[0024] In the above structure, the torsion spring 7 is arranged on the outer wall of the fixed rod 5, and the two ends of the torsion spring 7 are inserted into the inner cavities of the rotating plate 8 and the fixed plate 6 respectively. When the air inlet head 4 needs to be installed on the top of the equipment body 1, the rotating plate 8 is rotated to be separated from the top of the equipment body 1. When the air inlet head 4 is removed from the top of the equipment body 1, the rotating plate 8 quickly rebounds under the action of the torsion spring 7.
[0025] In a preferred embodiment: the outer wall diameter of the fixed plate 6 is larger than the outer wall diameter of the fixed rod 5, and the outer wall shape of the baffle 9 matches the outer wall shape of the rotating plate 8.
[0026] In the above structure, the rotating plate 8 is rotated to cover the top of the equipment body 1 under the action of the torsion spring 7, and then the rotation of the rotating plate 8 is blocked under the action of the baffle 9, so that the rotating plate 8 cannot continue to rotate, thereby stopping the outer wall of the rotating plate 8 on the top of the equipment body 1, and covering and blocking the entrance on the top of the equipment body 1.
[0027] In a preferred embodiment: the outer wall shape of the telescopic plate 12 matches the inner wall shape of the fixed box 11, and the two ends of the drive spring 16 are in contact with the outer wall of the telescopic plate 12 and the inner wall of the fixed box 11 respectively.
[0028] In the above structure, the telescopic plate 12 is arranged in the inner cavity of the fixed box 11, and the outer wall of the telescopic plate 12 is driven under the action of the drive spring 16, so that the outer wall of the telescopic plate 12 can be clamped into the bottom of the air inlet head 4, thereby realizing the lifting of the air inlet head 4 under the action of the fixed box 11 and the supporting plate 10, so that the air inlet head 4 can be more stably installed on the top of the equipment body 1.
[0029] In a preferred embodiment: the inner wall diameter of the movable groove 17 matches the outer wall diameter of the supporting rod 15, the number of sliding grooves 13 is two, and the two sliding grooves 13 are respectively arranged on the two sides of the top of the fixed box 11.
[0030] In the above structure, the sliding grooves 13 are arranged on the top of the fixed box 11, when the air inlet head 4 does not need to be lifted, and needs to be disassembled, the pull rod 14 is pulled to slide in the inner cavity of the sliding groove 13, so that the telescopic plate 12 can be retracted into the inner cavity of the fixed box 11, at this time the air inlet head 4 can be disassembled.
[0031] In a preferred embodiment: the inner cavity depth of the movable groove 17 is equal to the outer wall length of the supporting rod 15, and the drive spring 16 is made of high carbon steel.
[0032] In the structure, the driving spring 16 arranged on the outer wall of the supporting rod 15 can drive the telescopic plate 12 under the action of the driving spring 16, so that the outer wall of the telescopic plate 12 can lift the bottom of the air inlet head 4, the weight of the air inlet head 4 can act on the top of the telescopic plate 12, and the air inlet head 4 can be better installed on the top of the device body 1.
[0033] Working principle: in the use of the device, the air inlet head 4 is installed on the top of the device body 1, then the air enters the inner cavity of the device body 1 from the air inlet head 4, and the dust concentration in the air is detected under the action of the device body 1; when the air inlet head 4 is installed, the rotating plate 8 is rotated on the top of the device body 1, the outer wall of the torsional spring 7 is deformed in the process of the rotation of the rotating plate 8, the elastic force is provided to the outer wall of the rotating plate 8 when the outer wall of the torsional spring 7 is deformed, the air inlet head 4 is installed on the top of the device body 1 after the rotating plate 8 is rotated on the top of the device body 1, then the outer wall of the rotating plate 8 is attached to the outer wall of the air inlet head 4 under the action of the torsional spring 7, the telescopic plate 12 moves along the inner cavity of the fixed box 11 under the action of the driving spring 16, the outer wall of the telescopic plate 12 is inserted into the outer wall of the air inlet head 4, so that the air inlet head 4 is lifted and fixed under the action of the telescopic plate 12, so that the air inlet head 4 can be more stably installed on the top of the device body 1, and when the air inlet head 4 is disassembled, the air inlet head 4 is directly taken off from the top of the device body 1, then the rotating plate 8 is rotated under the action of the torsional spring 7, the outer wall of the rotating plate 8 is in contact with the outer wall of the baffle 9, and the top of the device body 1 is covered under the action of the rotating plate 8, so that the gas inlet of the top of the device body 1 will not enter the sundries.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. An environmental detection instrument comprising a device body (1), characterized in that: The outer wall of the device body (1) is fixedly provided with a display screen (2), the outer wall of the device body (1) is fixedly provided with an operating button (3), the top of the device body (1) is fixedly provided with an air inlet head (4), the top of the device body (1) is fixedly provided with a fixed rod (5), the top of the fixed rod (5) is fixedly provided with a fixed plate (6), the outer wall of the fixed rod (5) is movably sleeved with a torsion spring (7), the outer wall of the fixed rod (5) is rotatably connected with a rotating plate (8), the top of the device body (1) is fixedly provided with a baffle (9), the outer wall of the device body (1) is fixedly provided with a support plate (10), the top of the support plate (10) is fixedly provided with a fixed box (11), the inner cavity of the fixed box (11) is movably sleeved with an expansion plate (12), the top of the fixed box (11) is provided with a sliding groove (13), the top of the expansion plate (12) is fixedly provided with a pull rod (14), the inner wall of the fixed box (11) is fixedly provided with a support rod (15), the outer wall of the support rod (15) is movably sleeved with a drive spring (16), and the inner cavity of the expansion plate (12) is provided with a movable slot (17).
2. An environmental detection instrument according to claim 1, characterized in that: The outer wall of the torsion spring (7) is inserted into the inner cavities of the rotating plate (8) and the fixed plate (6) respectively, and the torsion spring (7) is made of high carbon steel.
3. The environmental detection instrument of claim 1, wherein: The outer wall diameter of the fixed plate (6) is greater than that of the fixed rod (5), and the outer wall shape of the baffle (9) matches that of the rotating plate (8).
4. The environmental detection instrument of claim 1, wherein: The outer wall shape of the expansion plate (12) matches the inner wall shape of the fixed box (11), and the outer wall of the drive spring (16) is in contact with the outer wall of the expansion plate (12) and the inner wall of the fixed box (11) respectively.
5. The environmental detection instrument of claim 1, wherein: The inner wall diameter of the movable slot (17) matches the outer wall diameter of the support rod (15), the number of the sliding grooves (13) is two, and the two sliding grooves (13) are respectively arranged on the two sides of the top of the fixed box (11).
6. The environmental detection instrument of claim 1, wherein: The inner cavity depth of the movable slot (17) is equal to the outer wall length of the support rod (15), and the drive spring (16) is made of high carbon steel.