Preparation device of quality control product for detecting dichloromethane in air

Abstract

The utility model relates to the technical field of dichloromethane quality control products, in particular to a preparation device for detecting a dichloromethane quality control product in air, which comprises a base, a motor is fixedly connected to one side of the base, a threaded rod is arranged in the base, a sliding block is arranged on the outer side of the threaded rod, and the motor is fixedly connected with the sliding block. According to the device, the activated carbon tube is in contact with the measuring ball when rotating, and if the surface of the activated carbon tube is deformed, the spring rod at the lower end of the positioning groove jumps under the action of elastic force, so that a worker can visually observe the deformation; the preparation device for detecting the quality control product of dichloromethane in air is simple in structure, ensures the accuracy of a subsequent detection sample, inflates and pressurizes the interior of the activated carbon tube through the fan to detect whether the surface of the activated carbon tube has cracks or not, further improves the quality and accuracy of the activated carbon tube, and realizes the preparation device for detecting the quality control product of dichloromethane in air.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dichloromethane quality control product, especially to a preparation device of detecting dichloromethane quality control product in air. BACKGROUND

[0002] The activated carbon tube is a common tool for collecting volatile organic compounds in air because of its large specific surface area and good adsorption performance. During the collection process, air passes through the activated carbon tube, and the volatile organic compounds in the air are adsorbed by the activated carbon, thereby realizing the enrichment of target pollutants.

[0003] The traditional activated carbon tube often needs to be manually detected by the staff during detection, which leads to low detection efficiency. Moreover, the traditional detection device is relatively single, and the staff needs to switch different devices for detection when multiple detections are needed, which increases the complexity of detection and reduces the detection efficiency.

[0004] Therefore, the existing problems are researched and improved, and a preparation device for detecting dichloromethane quality control product in air is provided. The structure design is reasonable, the stability is high, and the application of all aspects is considered. The purpose is to solve the problem and improve the practical value through the technology. SUMMARY

[0005] The spring rod at the lower end of the positioning groove will jump due to the elastic force if the surface of the activated carbon tube deforms when the activated carbon tube rotates and contacts the measuring ball, thereby directly allowing the staff to observe, ensuring the accuracy of subsequent detection samples. At the same time, the inside of the activated carbon tube is inflated and pressurized by the fan, so as to detect whether there is a crack on the surface, thereby further improving the quality and accuracy of the activated carbon tube, and realizing a preparation device for detecting dichloromethane quality control product in air.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a preparation device of the quality control product for detecting dichloromethane in air, including base, one side of base is fixedly connected with motor, the inside of base is provided with threaded rod, the outside of threaded rod is provided with sliding block, the upper end of sliding block is fixedly connected with first fixed platform, the inside of first fixed platform is connected with movable plate, one end close to the outside of movable plate is fixedly connected with bevel gear A, one side of bevel gear A is provided with bevel gear B, one end of bevel gear B is fixedly connected with connecting shaft, the opposite end of connecting shaft connecting bevel gear B is fixedly connected with first gear, the upper end of base is provided with rack A, one end close to the inside of first fixed platform is fixedly connected with locating groove, and the active carbon pipe is located in the inside of locating groove, the lower end of locating groove is fixedly connected with a plurality of spring rods, one side of first fixed platform is fixedly connected with second fixed platform, one side of second fixed platform is fixedly connected with rubber block, and one end of rubber block is connected with connecting pipe.

[0007] Preferably, a hollow groove is formed at the center of the base, the threaded rod is located in the hollow groove, the threaded rod extends through the base to the outside and is rotationally connected with the driving end of the motor, and the sliding block is threadedly connected to the outside of the threaded rod.

[0008] Preferably, the movable plate is fixedly connected with a rubber block at the opposite end of the bevel gear A, the bevel gear A is fixedly connected at the center of one end of the movable plate, the bevel gear A is engaged with the bevel gear B, the connecting shaft is movably connected with a fixing buckle outside, and the connecting shaft is fixedly connected with the base through the fixing buckle.

[0009] Preferably, the rack A is engagedly connected with the first gear, the rack A is fixedly connected with the base, a plurality of spring rods are arranged at the lower end of the locating groove, a measuring ball is fixedly connected to the upper end of each spring rod, and a rack B is fixedly connected to one end of the locating groove close to the second fixed platform.

[0010] Preferably, the second fixed platform is fixedly connected to the upper end of the base, a rubber block is fixedly connected to the inside center of the second fixed platform, and the two rubber blocks are oppositely arranged on the same horizontal plane.

[0011] Preferably, the connecting pipe extends through the second fixed platform and the rubber block to the outside, the other end of the connecting pipe is connected with the fan, a second gear is arranged at the upper end of the second fixed platform, a connecting rod is connected to one end of the second gear, and the connecting rod extends through the second fixed platform to the inside of the connecting pipe and is connected with a valve.

[0012] Preferably, a pressure relief valve is fixedly connected to the outside of the connecting pipe, and an air bag is fixedly connected to the upper end of the pressure relief valve.

[0013] The utility model discloses have following beneficial effect: when the first fixed platform drives connecting axle to move, first gear will be contacted with rack A and rotate, thereby drive connecting axle to rotate, when connecting axle rotates, will drive bevel gear B to rotate synchronously, when bevel gear B rotates, will drive bevel gear A to rotate synchronously, thereby movable plate will rotate synchronously along with the rotation of bevel gear A, when movable plate rotates, will drive activated carbon tube to rotate synchronously through rubber block, when activated carbon tube rotates, will be contacted with measuring ball, if the surface of activated carbon tube is deformed, then the spring rod of positioning groove lower extreme will jump due to the action of elasticity when activated carbon tube rotates, thereby intuitively make staff observe, ensure the accuracy of subsequent sample detection, along with the movement of first fixed platform, will make rack B be contacted with second gear, thereby drive rack B to drive second gear to rotate, when second gear rotates, will open the valve in connecting pipe through connecting rod, thereby inflate and pressurize the inside of activated carbon tube through fan, thereby detect whether there is crack on the surface, thereby further improve the quality and accuracy of activated carbon tube, avoid the influence of unqualified activated carbon tube on sample in later use, it carries out multiple detection simultaneously, improves the efficiency of detection, also avoids needing multiple devices to detect different projects. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides a kind of preparation device of detecting air dichloromethane quality control product as a whole for the utility model;

[0015] Figure 2 The utility model provides a kind of preparation device of detecting air dichloromethane quality control product as a whole for the utility model two;

[0016] Figure 3 The utility model provides a kind of preparation device of detecting air dichloromethane quality control product for the utility model part structure diagram;

[0017] Figure 4 The utility model provides a kind of preparation device of detecting air dichloromethane quality control product for the utility model A place structure enlargement drawing.

[0018] Legend:

[0019] 1, base;2, motor;3, threaded rod;4, sliding block;5, first fixed platform;6, movable plate;7, bevel gear A;8, bevel gear B;9, connecting axle;10, first gear;11, rack A;12, positioning groove;13, spring rod;14, measuring ball;15, second fixed platform;16, rubber block;17, connecting pipe;18, pressure relief valve;19, air bag;20, second gear;21, rack B. 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 of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] With reference to Figures 1-4 The utility model provides an embodiment: a preparation device of detecting dichloromethane quality control product in air, including base 1, one side of base 1 is fixedly connected with motor 2, the inside of base 1 is provided with threaded rod 3, the outside of threaded rod 3 is provided with sliding block 4, the upper end of sliding block 4 is fixedly connected with first fixed platform 5, the inner side of first fixed platform 5 is connected with movable plate 6, the end close to the outside of movable plate 6 is fixedly connected with bevel gear A 7, one side of bevel gear A 7 is provided with bevel gear B 8, one end of bevel gear B 8 is fixedly connected with connecting shaft 9, the opposite end of connecting shaft 9 connected bevel gear B 8 is fixedly connected with first gear 10, the upper end of base 1 is provided with rack A 11, the end close to the inside of first fixed platform 5 is fixedly connected with positioning groove 12, and the active carbon pipe is located in the inside of positioning groove 12, a plurality of spring rods 13 are fixedly connected to the lower end of positioning groove 12, one side of first fixed platform 5 is fixedly connected with second fixed platform 15, one side of second fixed platform 15 is fixedly connected with rubber block 16, and one end of rubber block 16 is connected with connecting pipe 17.

[0022] In an optional embodiment, a hollow groove is formed at the center of base 1, the threaded rod 3 is located in the hollow groove, the threaded rod 3 extends through the base 1 to the outside and is rotationally connected with the driving end of the motor 2, and the sliding block 4 is screw-connected to the outside of the threaded rod 3. When using the device, the active carbon pipe is clamped and fixed with the rubber block 16 at one end of the movable plate 6, and then the threaded rod 3 is driven to rotate by the motor 2, so that the sliding block 4 is driven to move when the threaded rod 3 rotates.

[0023] In an optional embodiment, the movable plate 6 is fixedly connected with the rubber block 16 at the opposite end of the bevel gear A 7, the bevel gear A 7 is fixedly connected at the center of one end of the movable plate 6, the bevel gear A 7 is engaged with the bevel gear B 8, the connecting shaft 9 is movably connected with the fixing buckle outside, the connecting shaft 9 is fixedly connected with the base 1 through the fixing buckle, the first fixed platform 5 is synchronously moved when the sliding block 4 moves, and the connecting shaft 9 is synchronously moved through the fixing buckle when the first fixed platform 5 moves.

[0024] In an optional embodiment: the rack A11 is in meshing connection with the first gear 10, and the rack A11 is fixed by being connected with the base 1, a plurality of spring rods 13 are arranged at the lower end of the positioning groove 12, the upper ends of the plurality of spring rods 13 are fixedly connected with measuring balls 14, the positioning groove 12 is fixedly connected with a rack B21 close to one end of the second fixed table 15, when the first fixed table 5 drives the connecting shaft 9 to move, the first gear 10 will rotate by being in contact with the rack A11, thereby driving the connecting shaft 9 to rotate, when the connecting shaft 9 rotates, the bevel gear B8 will be driven to rotate synchronously, when the bevel gear B8 rotates, the bevel gear A7 will be driven to rotate synchronously, thereby the movable plate 6 will rotate synchronously with the rotation of the bevel gear A7, when the movable plate 6 rotates, the activated carbon tube will be driven to rotate synchronously by the rubber block 16, when the activated carbon tube rotates, it will be in contact with the measuring ball 14, if the surface of the activated carbon tube is deformed, the spring rod 13 at the lower end of the positioning groove 12 will jump due to the elastic force when the activated carbon tube rotates, thereby directly enabling the staff to observe, ensuring the accuracy of subsequent detection of samples.

[0025] In an optional embodiment: the second fixed table 15 is fixedly connected to the upper end of the base 1, the second fixed table 15 is fixedly connected with rubber blocks 16 at the inner center thereof, the two groups of rubber blocks 16 are opposite each other in the same horizontal plane, with the movement of the first fixed table 5, the other end of the activated carbon tube will be in contact with the rubber blocks 16 inside the second fixed table 15, thereby fixing the activated carbon tube, after being fixed, the motor 2 will stop rotating.

[0026] In an optional embodiment: the connecting pipe 17 extends to the outside through the second fixed table 15 and the rubber block 16, the other end of the connecting pipe 17 is connected with a fan, the second fixed table 15 is provided with a second gear 20 at the upper end thereof, one end of the second gear 20 is connected with a connecting rod, the connecting rod extends to the inside of the connecting pipe 17 through the second fixed table 15 and is connected with a valve, with the movement of the first fixed table 5, the rack B21 will be in contact with the second gear 20, thereby driving the rack B21 to drive the second gear 20 to rotate, when the second gear 20 rotates, the valve inside the connecting pipe 17 will be opened through the connecting rod, thereby inflating and pressurizing the inside of the activated carbon tube through the fan, thereby detecting whether there is a crack on the surface of the activated carbon tube, thereby further improving the quality and accuracy of the activated carbon tube, avoiding affecting the sample due to unqualified activated carbon tube in later use.

[0027] In an optional embodiment: the connecting pipe 17 is fixedly connected with a pressure relief valve 18 outside, the pressure relief valve 18 is fixedly connected with an air bag 19 at the upper end thereof, when the air pressure inside the activated carbon tube reaches a certain amount, the air pressure inside the connecting pipe 17 will increase, thereby opening the pressure relief valve 18 to inflate the inside of the air bag 19 when the air pressure increases, thereby facilitating the staff to observe the inflation condition, avoiding damage to the activated carbon tube due to excessive air pressure.

[0028] Working principle and process: when using the device, the activated carbon pipe is clamped with the rubber block 16 at one end of the movable plate 6, and is fixed, and then the threaded rod 3 is driven to rotate by the motor 2, which drives the sliding block 4 to move, and the first fixed table 5 is driven to move synchronously, and the connecting shaft 9 is driven to move synchronously by the fixed buckle when the first fixed table 5 moves;

[0029] When the first fixed table 5 drives the connecting shaft 9 to move, the first gear 10 rotates by contacting with the rack A11, thereby driving the connecting shaft 9 to rotate, and the bevel gear B8 is driven to rotate synchronously when the connecting shaft 9 rotates, and the bevel gear A7 is driven to rotate synchronously when the bevel gear B8 rotates, thereby the movable plate 6 rotates synchronously with the bevel gear A7, and the activated carbon pipe rotates synchronously by the rubber block 16 when the movable plate 6 rotates, and the measuring ball 14 is contacted when the activated carbon pipe rotates, if the surface of the activated carbon pipe is deformed, the spring rod 13 at the lower end of the positioning groove 12 will jump due to the elastic force when the activated carbon pipe rotates, thereby the worker can directly observe to ensure the accuracy of the subsequent detection sample;

[0030] With the movement of the first fixed table 5, the other end of the activated carbon pipe is contacted with the rubber block 16 inside the second fixed table 15, thereby fixing the activated carbon pipe, after fixing, the rack B21 is contacted with the second gear 20, thereby driving the rack B21 to drive the second gear 20 to rotate, the valve inside the connecting pipe 17 is opened by the connecting rod when the second gear 20 rotates, thereby inflating and pressurizing the inside of the activated carbon pipe by the fan, thereby detecting whether there is a crack on the surface of the activated carbon pipe, thereby further improving the quality and accuracy of the activated carbon pipe, avoiding affecting the sample due to unqualified activated carbon pipe in later use, when the air pressure inside the activated carbon pipe reaches a certain amount, the air pressure inside the connecting pipe 17 is increased, thereby opening the pressure relief valve 18 to inflate the inside of the air bag 19 when the air pressure increases, thereby facilitating the worker to observe the inflation condition, avoiding the activated carbon pipe being damaged due to excessive air pressure.

[0031] Finally, it should be pointed out that the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for the preparation of a dichloromethane mass control product for the detection of dichloromethane in air, comprising a base (1), characterised in that: The base (1) is fixedly connected with a motor (2) on one side, a threaded rod (3) is arranged inside the base (1), a sliding block (4) is arranged outside the threaded rod (3), a first fixed table (5) is fixedly connected to the upper end of the sliding block (4), a movable plate (6) is connected to the inner side of the first fixed table (5), an umbrella tooth A (7) is fixedly connected to the end close to the outer side of the movable plate (6), an umbrella tooth B (8) is arranged on one side of the umbrella tooth A (7), a connecting shaft (9) is fixedly connected to one end of the umbrella tooth B (8), a first gear (10) is fixedly connected to the opposite end of the connecting shaft (9) connected with the umbrella tooth B (8), a rack A (11) is arranged on the upper end of the base (1), a positioning groove (12) is fixedly connected to the end close to the inner side of the first fixed table (5), the activated carbon tube is located inside the positioning groove (12), a plurality of spring rods (13) are fixedly connected to the lower end of the positioning groove (12), a second fixed table (15) is fixedly connected to one side of the first fixed table (5), a rubber block (16) is fixedly connected to one side of the second fixed table (15), and a connecting pipe (17) is connected to one end of the rubber block (16).

2. The preparation device for detecting dichloromethane quality control product in air according to claim 1, characterized in that: The base (1) is fixedly connected with a motor (2) on one side, a threaded rod (3) is arranged inside the base (1), a sliding block (4) is arranged outside the threaded rod (3), a first fixed table (5) is fixedly connected to the upper end of the sliding block (4), a movable plate (6) is connected to the inner side of the first fixed table (5), an umbrella tooth A (7) is fixedly connected to the end close to the outer side of the movable plate (6), an umbrella tooth B (8) is arranged on one side of the umbrella tooth A (7), a connecting shaft (9) is fixedly connected to one end of the umbrella tooth B (8), a first gear (10) is fixedly connected to the opposite end of the connecting shaft (9) connected with the umbrella tooth B (8), a rack A (11) is arranged on the upper end of the base (1), a positioning groove (12) is fixedly connected to the end close to the inner side of the first fixed table (5), the activated carbon tube is located inside the positioning groove (12), a plurality of spring rods (13) are fixedly connected to the lower end of the positioning groove (12), a second fixed table (15) is fixedly connected to one side of the first fixed table (5), a rubber block (16) is fixedly connected to one side of the second fixed table (15), and a connecting pipe (17) is connected to one end of the rubber block (16).

3. The preparation device for detecting dichloromethane quality control product in air according to claim 1, characterized in that: The base (1) is fixedly connected with a motor (2) on one side, a threaded rod (3) is arranged inside the base (1), a sliding block (4) is arranged outside the threaded rod (3), a first fixed table (5) is fixedly connected to the upper end of the sliding block (4), a movable plate (6) is connected to the inner side of the first fixed table (5), an umbrella tooth A (7) is fixedly connected to the end close to the outer side of the movable plate (6), an umbrella tooth B (8) is arranged on one side of the umbrella tooth A (7), a connecting shaft (9) is fixedly connected to one end of the umbrella tooth B (8), a first gear (10) is fixedly connected to the opposite end of the connecting shaft (9) connected with the umbrella tooth B (8), a rack A (11) is arranged on the upper end of the base (1), a positioning groove (12) is fixedly connected to the end close to the inner side of the first fixed table (5), the activated carbon tube is located inside the positioning groove (12), a plurality of spring rods (13) are fixedly connected to the lower end of the positioning groove (12), a second fixed table (15) is fixedly connected to one side of the first fixed table (5), a rubber block (16) is fixedly connected to one side of the second fixed table (15), and a connecting pipe (17) is connected to one end of the rubber block (16).

4. The preparation device for detecting dichloromethane quality control product in air according to claim 1, characterized in that: The base (1) is fixedly connected with a motor (2) on one side, a threaded rod (3) is arranged inside the base (1), a sliding block (4) is arranged outside the threaded rod (3), a first fixed table (5) is fixedly connected to the upper end of the sliding block (4), a movable plate (6) is connected to the inner side of the first fixed table (5), an umbrella tooth A (7) is fixedly connected to the end close to the outer side of the movable plate (6), an umbrella tooth B (8) is arranged on one side of the umbrella tooth A (7), a connecting shaft (9) is fixedly connected to one end of the umbrella tooth B (8), a first gear (10) is fixedly connected to the opposite end of the connecting shaft (9) connected with the umbrella tooth B (8), a rack A (11) is arranged on the upper end of the base (1), a positioning groove (12) is fixedly connected to the end close to the inner side of the first fixed table (5), the activated carbon tube is located inside the positioning groove (12), a plurality of spring rods (13) are fixedly connected to the lower end of the positioning groove (12), a second fixed table (15) is fixedly connected to one side of the first fixed table (5), a rubber block (16) is fixedly connected to one side of the second fixed table (15), and a connecting pipe (17) is connected to one end of the rubber block (16).

5. The preparation device for detecting dichloromethane quality control product in air according to claim 1, characterized in that: ​ 6. The preparation device for detecting dichloromethane quality control product in air according to claim 1, characterized in that: ​ 7. The preparation device for detecting dichloromethane quality control in air according to claim 1, characterized in that: ​

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