Harmful gas detection device for campus laboratory
By designing the devices of gas storage pipes, roof panels, sliders and tie rod components, the leakage problem when the gas sensor is separated from the storage container is solved, the safety of toxic gas detection is achieved, and the safety of experimental personnel is ensured.
Patent Information
- Application Number
- CN202323431030.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-15
AI Technical Summary
In campus laboratories, gas leakage is prone to occur when the gas sensor is separated from the container storing harmful gases, resulting in harmful gas leakage and affecting the safety of the experimenters.
A device including gas storage pipe, roof plate, slider, tie rod and tester is designed. The sliding of the slider and pulling of the pull rod form negative pressure to ensure that the toxic gas does not leak during the detection process, and is sealed with a one-way valve and rubber plug. Gas storage pipe to prevent gas leakage.
It effectively avoids the leakage of toxic gases, ensures the safety of experimental personnel, and ensures the safety of the gas detection process.
Smart Images
Figure CN222259274U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of gas detection, and in particular relates to a harmful gas detection device used in a campus laboratory. Background Art
[0002] Harmful gases refer to gases that have adverse effects on the health of humans or animals, or gases that have no effect on the health of humans and animals but make humans or animals feel uncomfortable and affect their comfort. In the process of detecting harmful gases in some areas, harmful gas detection devices are needed. Harmful gas detectors are devices used to detect harmful gases to ensure the safety of personnel. They mainly use gas sensors to detect the types of gases present in the environment. Gas sensors are sensors used to detect the composition and content of gases. When detecting harmful gases in campus laboratories, one end of the gas sensor needs to be inserted into the harmful gas for detection. When the gas sensor is separated from the container storing the harmful gas, gas leakage is likely to occur, resulting in the leakage of harmful gases, which makes it easy for harmful gases to have certain impacts on surrounding experimenters, which is not conducive to the safety of experimenters conducting gas detection experiments. Utility Model Content
[0003] The utility model provides a harmful gas detection device for campus laboratories, which solves the problem that when a gas sensor is separated from a container storing harmful gases, gas leakage is easily generated, which is not conducive to the safety guarantee of gas detection experiments performed by experimenters.
[0004] The utility model provides the following technical solution: it includes a bottom plate, an air storage pipe is arranged above the bottom plate, the top of the air storage pipe is threadedly connected to a top plate, a tester is arranged above the air storage pipe, two one-way valves are arranged on the top plate, the inner wall of the air storage pipe is fixedly connected to a fixing plate, a testing end of the tester matches the top plate and the inner wall of the fixing plate, a slide plate is slidably connected to the inner wall of the air storage pipe, a pull rod is fixedly connected to the bottom end of the slide plate, a fixing rod is fixedly connected to the inner wall of the bottom plate, and a support ring for supporting the air storage pipe is fixedly connected to the fixing rod.
[0005] Wherein, a support plate is fixedly connected to the top of the bottom plate, and a support block is fixedly connected to the inner wall of the support plate.
[0006] Among them, a card slot is opened on the support ring, a card block is snap-connected in the card slot, a connecting plate is fixedly connected to the top of the card block, corresponding connecting holes are opened on the connecting plate and the support ring, and a card rod is snap-connected between the connecting holes.
[0007] Among them, a convex rod is fixedly connected to the top of the top plate, a through hole is opened at the center of the support ring, an outer ring is fixedly connected to the outer wall of the gas storage pipe, and a pull plate is fixedly connected to the bottom end of the pull rod.
[0008] Among them, the outer wall of the slide plate is rotatably connected to a fixed ring, the outer wall of the slide plate is provided with an annular groove, the inner wall of the fixed ring is fixedly connected to an annular block, the outer wall of the fixed ring is fixedly connected to a plurality of limit blocks, and the inner wall of the gas storage pipe is provided with a limit groove matching the limit block.
[0009] The beneficial effect of the utility model is that the components composed of the gas storage pipe, the top plate, the convex rod, the slide plate, the pull rod and the tester can prevent the leakage of toxic gas and detect it, so that when the test personnel use the device, the safety of the test personnel when detecting toxic gas can be effectively ensured, and certain influence on the surrounding test personnel can be avoided.
[0010] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;
[0013] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;
[0014] Figure 4 It is a schematic diagram of the three-dimensional cross-sectional structure of the gas storage pipe in the utility model.
[0015] In the figure: 1, bottom plate; 11, support plate; 12, support block; 2, fixing rod; 21, support ring; 211, slot; 212, perforation; 22, block; 23, connecting plate; 231, connecting hole; 24, clamping rod; 3, gas storage pipe; 31, top plate; 311, protruding rod; 312, one-way valve; 32, fixing plate; 33, slide plate; 331, annular groove; 34, fixing ring; 341, limit block; 342, annular block; 35, pull rod; 351, pull plate; 36, outer ring; 4, tester. DETAILED DESCRIPTION
[0016] See also Figure 1-Figure 4The utility model provides the following technical solutions: it includes a bottom plate 1, an air storage pipe 3 is arranged above the bottom plate 1, a top plate 31 is threadedly connected to the top of the air storage pipe 3, a tester 4 is arranged above the air storage pipe 3, two one-way valves 312 are arranged on the top plate 31, a fixing plate 32 is fixedly connected to the inner wall of the air storage pipe 3, a testing end of the tester 4 matches the inner wall of the top plate 31 and the fixing plate 32, a slide plate 33 is slidably connected to the inner wall of the air storage pipe 3, a pull rod 35 is fixedly connected to the bottom end of the slide plate 33, a fixing rod 2 is fixedly connected to the inner wall of the bottom plate 1, and a support ring 21 for supporting the air storage pipe 3 is fixedly connected to the fixing rod 2.
[0017] In this embodiment: the bottom plate 1 is a carrier of the bearing device, and the gas storage pipe 3 above the bottom plate 1 is used to store the toxic gas. The gas storage pipe 3 is supported and erected by a fixed rod 2 fixedly connected to the top of the bottom plate 1, and a support ring 21 fixedly connected to the fixed rod 2, so that there is a certain distance between the bottom of the gas storage pipe 3 and the bottom plate 1 to adjust the position of the slide plate 33. The gas storage pipe 3 is fixedly connected to the inner wall of the gas storage pipe 3 through a fixed plate 32, and a slide plate 33 slidably connected to the inner wall of the gas storage pipe 3, and the fixed plate 32 and the slide plate The space between the top plate 31 and the top plate 33 is used to store toxic gases. After the top of the annular groove 331 fixedly connected on the slide plate 33 is inserted through the inner wall of the fixed plate 32, the top of the annular groove 331 is sealed to the fixed plate 32, so that the toxic gases can be effectively prevented from leaking from the fixed plate 32 and the slide plate 33. When it is necessary to detect the toxic gases, the detection end of the tester 4 is inserted through the inner wall of the top plate 31, and the inner wall of the top plate 31 matches the detection end of the tester 4, so that the detection end of the tester 4 enters the gas storage pipe 3, and the tester 4 is continuously pushed. , so that the detection end of the tester 4 pushes the annular groove 331 to slide down, so that the detection end of the tester 4 passes through the inner wall of the fixed plate 32 and enters between the fixed plate 32 and the slide plate 33 to detect the toxic gas. After the toxic gas components are detected, the tester 4 can slide upward to separate from the fixed plate 32. At this time, one end of the tester 4 is between the top plate 31 and the fixed plate 32. At this time, by pulling the pull rod 35, the pull rod 35 is fixedly connected to the slide plate 33, so that the slide plate 33 can be pulled down, and the fixed plate 32 is now connected to the top plate 31. The toxic gas in the cavity between the plates 31 can generate negative pressure inside by pulling the slide plate 33, so that the one-way valve 312 opened on the top plate 31 can allow external gas to enter the top plate 31 and the fixed plate 32, and absorb the toxic gas in the top plate 31 and the fixed plate 32 into the fixed plate 32. When the slide plate 33 continues to slide down, one end of the tester 4 is separated from the top plate 31, and the gas storage pipe 3 is closed by a rubber plug to prevent the toxic gas from leaking, thereby ensuring the safety of the experimenter when detecting the toxic gas.
[0018] A support plate 11 is fixedly connected to the top of the base plate 1, and a support block 12 is fixedly connected to the inner wall of the support plate 11; the support plate 11 fixedly connected to the top of the base plate 1 is used to be fixed on the outside of the gas storage pipe 3, and the tester 4 is supported by the support block 12 fixedly connected to the inner wall of the support plate 11.
[0019] A card slot 211 is provided on the support ring 21, and a card block 22 is snap-connected in the card slot 211. A connecting plate 23 is fixedly connected to the top of the card block 22. Corresponding connecting holes 231 are provided on the connecting plate 23 and the support ring 21, and a card rod 24 is snap-connected between the connecting holes 231; the card slot 211 provided on the support ring 21 is used to connect the card block 22, so that the card block 22 is connected to the support ring 21 to support the gas storage pipe 3 fixedly connected to the outer wall of the top plate 31, and can be separated to separate the gas storage pipe 3; the connecting plate 23 is fixedly connected to the top of the card block 22 and is used to correspond to the connecting hole 231 provided on the support ring 21 through the opening of the connecting hole 231, and the connecting hole 231 is connected and limited by the card rod 24, so that the support ring 21 and the card block 22 are snap-connected.
[0020] A convex rod 311 is fixedly connected to the top of the top plate 31, a through hole 212 is provided at the center of the support ring 21, an outer ring 36 is fixedly connected to the outer wall of the gas storage pipe 3, and a pull plate 351 is fixedly connected to the bottom end of the pull rod 35; the convex rod 311 fixedly connected to the top of the support ring 21 is used to facilitate the user to rotate the top plate 31 so that it is connected to the inner wall of the gas storage pipe 3, the through hole 212 provided at the center of the support ring 21 is used to enable the gas storage pipe 3 to be located on the support ring 21 and supported by the support ring 21, and the outer ring 36 fixedly connected to the outer wall of the gas storage pipe 3 is used to support it on the support ring 21, and the pull plate 351 fixedly connected to the bottom end of the pull rod 35 is used to facilitate pulling the slide plate 33.
[0021] The outer wall of the slide plate 33 is rotatably connected to a fixing ring 34, an annular groove 331 is provided on the outer wall of the slide plate 33, an annular block 342 is fixedly connected to the inner wall of the fixing ring 34, a plurality of limit blocks 341 are fixedly connected to the outer wall of the fixing ring 34, and a limit groove matching the limit block 341 is provided on the inner wall of the gas storage pipe 3; the fixing ring 34 rotatably connected to the outer wall of the slide plate 33 is limited in the limit groove provided on the inner wall of the gas storage pipe 3 by the limit block 341 fixedly connected to the outer wall of the fixing ring 34, so that the slide plate 33 can be threadedly connected to the bottom of the gas storage pipe 3 through the pull rod 35, and the position of the slide plate 33 is adjusted. The fixing ring 34 and the limit block 341 are used to limit the slide plate 33 to ensure its horizontal up and down displacement, and the fixing ring 34 is connected to the annular groove 331 through the annular block 342, and will not limit the rotation of the pull rod 35.
[0022] The working principle and use process of the utility model are as follows: the toxic gas is stored between the fixed plate 32 and the slide plate 33 in the gas storage pipe 3 above the bottom plate 1, and the detection end of the tester 4 is inserted into the inner wall of the top plate 31, and the tester 4 is continuously pushed, so that the detection end of the tester 4 pushes the annular groove 331 to slide down, so that the detection end of the tester 4 passes through the inner wall of the fixed plate 32 and enters between the fixed plate 32 and the slide plate 33 to detect the toxic gas. After the toxic gas components are detected, the tester 4 can slide upward to separate from the fixed plate 32, and the slide plate can be pulled The plate 33 slides down, and the toxic gas in the cavity between the fixed plate 32 and the top plate 31 can generate negative pressure inside by pulling the slide plate 33, so that the one-way valve 312 opened on the top plate 31 can allow external gas to enter the top plate 31 and the fixed plate 32, and the toxic gas in the top plate 31 and the fixed plate 32 is absorbed into the fixed plate 32. When the slide plate 33 continues to slide down, one end of the tester 4 is separated from the top plate 31, and the gas storage pipe 3 is closed by a rubber plug to prevent the toxic gas from leaking out, thereby ensuring the safety of the experimenter when detecting the toxic gas.
Claims
1. A harmful gas detection device for campus laboratories, characterized in that: The invention comprises a bottom plate (1), an air storage pipe (3) is arranged above the bottom plate (1), a top plate (31) is threadedly connected to the top of the air storage pipe (3), a tester (4) is arranged above the air storage pipe (3), two one-way valves (312) are arranged on the top plate (31), a fixing plate (32) is fixedly connected to the inner wall of the air storage pipe (3), a test end of the tester (4) matches the inner wall of the top plate (31) and the fixing plate (32), a slide plate (33) is slidably connected to the inner wall of the air storage pipe (3), a pull rod (35) is fixedly connected to the bottom end of the slide plate (33), a fixing rod (2) is fixedly connected to the inner wall of the bottom plate (1), and a support ring (21) for supporting the air storage pipe (3) is fixedly connected to the fixing rod (2).
2. A harmful gas detection device for campus laboratory according to claim 1, characterized in that: A support plate (11) is fixedly connected to the top of the bottom plate (1), and a support block (12) is fixedly connected to the inner wall of the support plate (11).
3. A harmful gas detection device for campus laboratory according to claim 1, characterized in that: The support ring (21) is provided with a card slot (211), a card block (22) is snap-connected in the card slot (211), a connecting plate (23) is fixedly connected to the top of the card block (22), corresponding connecting holes (231) are provided on the connecting plate (23) and the support ring (21), and a card rod (24) is snap-connected between the connecting holes (231).
4. A harmful gas detection device for campus laboratory according to claim 1, characterized in that: The top end of the top plate (31) is fixedly connected to a convex rod (311), the center of the support ring (21) is provided with a through hole (212), the outer wall of the gas storage pipe (3) is fixedly connected to an outer ring (36), and the bottom end of the pull rod (35) is fixedly connected to a pull plate (351).
5. The harmful gas detection device for campus laboratory according to claim 1 is characterized in that: The outer wall of the slide plate (33) is rotatably connected to a fixing ring (34), the outer wall of the slide plate (33) is provided with an annular groove (331), the inner wall of the fixing ring (34) is fixedly connected to an annular block (342), the outer wall of the fixing ring (34) is fixedly connected to a plurality of limiting blocks (341), and the inner wall of the gas storage pipe (3) is provided with a limiting groove matching the limiting block (341).