Handheld folding type water sulfide detection device

Abstract

The utility model discloses a hand-held folding type water quality sulfide detection device which comprises a hand-held detection box, an electric push rod is fixedly installed on the inner wall of the hand-held detection box, the left end of the electric push rod is fixedly connected with the inner wall of a convex frame, and a placing frame is fixedly installed at the bottom of the inner wall of the hand-held detection box. A connecting rod is installed on the outer wall of the placing frame in a penetrating mode, one end of the connecting rod is fixedly connected with a fastening ring, and the inner wall of the fastening ring is attached to the outer wall of the iodine flask. According to the iodine flask placing device, the placing frame is installed, an iodine flask is placed in the placing frame, an electric push rod extends to push a convex frame to move leftwards, the convex frame extrudes a convex plate, the convex plate is pushed to move in the direction close to the placing frame, a first spring is extruded, a connecting rod is pushed to move, and the connecting rod drives a fastening ring to move, so that the inner wall of the fastening ring is attached to the outer wall of the iodine flask; the iodine flask is fixed, so that the situation that the iodine flask is damaged due to shaking and collision when the portable detection box is held by hand to move is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality sulfide detection, in particular to a handheld folding water quality sulfide detection device. Background Technique

[0002] The quality of water is closely related to people's health. With the development of social economy and scientific progress, while people pursue a high-quality life, the requirements for water quality are also getting higher and higher. Therefore, before drinking domestic drinking water, the water quality of domestic drinking water is usually detected. During the detection, after sampling the water quality, it is transported to the laboratory for detecting the sulfide content in the water quality, and the detection is rather inconvenient. Therefore, a handheld folding water quality sulfide detection device appears. By moving the handheld detection device, it is convenient to detect the water quality. However, when the existing handheld folding water quality sulfide detection device is used, it is not convenient to fix the iodine flask. When the detection device moves and the iodine flask shakes and collides, it is easy to cause damage to the iodine flask.

[0003] Patent document CN210487754U discloses a portable water quality detection device, and the protected claims disclose ", including a box body and a box cover. The box cover is installed on the box body. A T-shaped chute is opened in one end side wall of the box body. The bottom of the side wall of the box cover is rotatably connected with a pneumatic pressing mechanism arranged in the T-shaped chute. A dust removal mechanism communicated with the pneumatic pressing mechanism is arranged in the box body. The air outlet end of the dust removal mechanism is communicated with the inside of the box body. A plurality of buffer mechanisms are fixedly installed at the bottom of the box body. The upper ends of the plurality of buffer mechanisms are all communicated with a wind guiding mechanism, and the plurality of wind guiding mechanisms are all communicated with the dust removal mechanism. An air outlet is opened on the front surface of the box cover". However, the portable water quality detection device proposed in the above patent document is not convenient to fix the reagent bottle and the detection instruments. When the detection device moves and the instruments shake and collide, it is easy to cause damage to the instruments. Content of the Utility Model

[0004] The purpose of the utility model is to provide a handheld folding water quality sulfide detection device to solve the technical problem that when the existing handheld folding water quality sulfide detection device is used, it is not convenient to fix the iodine flask, and when the detection device moves and the iodine flask shakes and collides, it is easy to cause damage to the iodine flask as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A handheld folding water quality sulfide detection device, comprising:

[0006] A handheld detection box, the inner wall of which is fixedly installed with an electric push rod;

[0007] A convex frame, the left end of the electric push rod is fixedly connected with the inner wall of the convex frame;

[0008] Placement frame, a placement frame is fixedly installed at the bottom of the inner wall of the portable detection box. A connecting rod is installed through the outer wall of the placement frame. One end of the connecting rod is fixedly connected to a convex plate, and the bottom of the convex plate is slidably connected to the bottom of the inner wall of the portable detection box. The end of the connecting rod away from the convex plate is fixedly connected to a fastening ring. The inner wall of the fastening ring fits against the outer wall of the iodine flask. A first spring is fixedly installed on the outer wall of the convex plate. A guide rod is connected through the outer wall of the convex plate, and the guide rod is located on the left side of the first spring.

[0009] Preferably, a box cover is rotatably connected to the top of the portable detection box.

[0010] Preferably, a fixed block is fixedly installed on the outer wall of the portable detection box, and a handle is connected through the outer wall of the fixed block.

[0011] Preferably, a fixing plate is fixedly installed on the inner wall of the portable detection box.

[0012] Preferably, a reagent tube is installed through the top of the fixing plate, and a label sticker is fixedly installed on the top of the fixing plate.

[0013] Preferably, a sealing plug is threadedly engaged with the inner wall of the iodine flask.

[0014] Preferably, a mounting block is fixedly installed on the top of the fixing plate. A connecting shaft is installed through the outer wall of the mounting block. The connecting shaft is connected through the outer wall of the folding cover. A convex block is fixedly installed on the top of the folding cover. A support plate is fixedly installed on the top of the fixing plate. A plug rod is connected through the outer wall of the support plate. Mounting plates are fixedly installed at the top and bottom of the plug rod respectively, and a second spring is fixedly installed on the outer wall of the mounting plate.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] 1. By installing a placement frame, a fastening ring and a convex frame, the iodine flask is placed inside the placement frame. Then, the electric push rod is started to extend, pushing the convex frame to move to the left. The inclined outer wall of the convex frame squeezes the convex plate, pushing the convex plate to move along the bottom of the inner wall of the portable detection box towards the direction close to the placement frame, squeezing the first spring, and pushing the connecting rod to move. The connecting rod drives the fastening ring to move, so that the inner wall of the fastening ring fits against the outer wall of the iodine flask, fixing the iodine flask, and avoiding the iodine flask from shaking and colliding when the portable detection box is moved by hand, resulting in breakage of the iodine flask;

[0017] 2. The utility model is equipped with a folding cover, a plug rod and a support plate. By setting the folding cover, it is used to close the top of the placement frame, which is convenient for providing a dark environment for the iodine flask after adding reagents. Pull the upper set of mounting plates to drive the plug rod to move to the right. After rotating the folding cover to close the top of the placement frame, release the mounting plates. The second spring pushes the mounting plates to drive the plug rod to move to the left and penetrate through the outer wall of the convex block to fix the folding cover, avoiding accidental opening of the folding cover and exposing the iodine flask to light, thus preventing the detection structure from being affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 is a schematic diagram of the front structure of the utility model;

[0020] Figure 3 is a schematic diagram of the partial structure of the fastening ring of the utility model;

[0021] Figure 4 is a schematic diagram of the partial structure of the plug rod of the utility model;

[0022] Figure 5 is a schematic diagram of the partial structure of the folding cover of the utility model.

[0023] In the figure: 1, portable detection box; 2, box cover; 3, fixed block; 4, handle; 5, fixing plate; 6, placement frame; 7, connecting rod; 8, fastening ring; 9, convex plate; 10, electric push rod; 11, convex frame; 12, first spring; 13, guide rod; 14, iodine flask; 15, sealing plug; 16, reagent tube; 17, label sticker; 18, mounting block; 19, connecting shaft; 20, folding cover; 21, convex block; 22, support plate; 23, plug rod; 24, mounting plate; 25, second spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. shall be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Please refer to Figure 1 and Figure 2 , a handheld folding water quality sulfide detection device, comprising: a handheld detection box 1, a box cover 2 is rotatably connected to the top of the handheld detection box 1, and the box cover 2 is used to seal the top of the handheld detection box 1. A fixed block 3 is fixedly installed on the outer wall of the handheld detection box 1, and the fixed block 3 is located on the front outer wall of the handheld detection box 1. A handle 4 is penetrated and connected to the outer wall of the fixed block 3. By installing the handle 4, it is convenient to hold the handheld detection box 1 for movement, and it is convenient to detect the water quality sulfide at different positions, improving the use convenience of the detection device. A fixing plate 5 is fixedly installed on the inner wall of the handheld detection box 1. A reagent tube 16 is penetrated and installed on the top of the fixing plate 5. The reagent tube 16 is in a round tube structure, and the penetration connection part between the outer wall of the reagent tube 16 and the fixing plate 5 is in fit. The fixing plate 5 limits the reagent tube 16. A label sticker 17 is fixedly installed on the top of the fixing plate 5. The number of installed label stickers 17 is the same as the number of reagent tubes 16, and the label sticker 17 is located on one side of the reagent tube 16. By setting the label sticker 17, it is convenient to distinguish the reagents in different reagent tubes 16. A sealing plug 15 is threadedly engaged with the inner wall of the iodine flask 14, and the sealing plug 15 is used to seal the iodine flask 14.

[0028] Please refer to Figure 2 and Figure 3, a placement frame 6 is fixedly installed at the bottom of the inner wall of the portable detection box 1, and the placement frame 6 penetrates through the bottom of the mounting plate 24, and the top opening of the placement frame 6 is located above the fixing plate 5. An electric push rod 10 is fixedly installed on the inner wall of the portable detection box 1. The fixed end of the electric push rod 10 is fixedly connected to the right inner wall of the portable detection box 1, and the electric push rod 10 is symmetrically arranged on both outer walls of the placement frame 6. A storage battery is fixedly installed on the inner wall of the portable detection box 1, and the storage battery is electrically connected to the electric push rod 10. The left end of the electric push rod 10 is fixedly connected to the inner wall of the convex frame 11. The convex frame 11 is symmetrically arranged on the outer wall of the placement frame 6, and one outer wall of the convex frame 11 is inclined, and the other outer wall is slidably connected to the inner wall of the portable detection box 1, and the top of the convex frame 11 is slidably connected to the bottom of the fixing plate 5. The bottom of the convex frame 11 is slidably connected to the bottom of the inner wall of the portable detection box 1. A connecting rod 7 penetrates through the outer wall of the placement frame 6. One end of the connecting rod 7 is fixedly connected to a convex plate 9, and the other end of the connecting rod 7 away from the convex plate 9 is fixedly connected to a fastening ring 8. The top of the convex plate 9 is slidably connected to the bottom of the fixing plate 5. The bottom of the convex plate 9 is slidably connected to the bottom of the inner wall of the portable detection box 1. One outer wall of the convex plate 9 is inclined and is slidably connected to the inclined outer wall of the convex frame 11. The inner wall of the fastening ring 8 fits against the outer wall of the iodine flask 14. The iodine flask 14 is placed inside the placement frame 6. A first spring 12 is fixedly installed on the outer wall of the convex plate 9, and the other end of the first spring 12 is fixedly connected to the inner wall of the portable detection box 1. The springs are symmetrically arranged on the outer wall of the placement frame 6. A guide rod 13 penetrates through the outer wall of the convex plate 9, and the guide rod 13 is located on the left side of the first spring 12. Both ends of the guide rod 13 are fixedly connected to the inner wall of the portable detection box 1. When the electric push rod 10 shortens, it drives the convex frame 11 to slide to the right. The convex frame 11 gradually loses the extrusion of the convex plate 9. The first spring 12 pulls the convex plate 9 to slide, so that the convex plate 9 moves away from the outer wall of the placement frame 6. The convex plate 9 drives the connecting rod 7 to move, so that the connecting rod 7 drives the fastening ring 8 to move to both sides, facilitating the placement of the iodine flask 14 inside the placement frame 6. Then start the electric push rod 10 to extend, pushing the convex frame 11 to move to the left. The inclined outer wall of the convex frame 11 squeezes the convex plate 9, pushing the convex plate 9 to move along the bottom of the inner wall of the portable detection box 1 towards the placement frame 6, squeezing the first spring 12, and pushing the connecting rod 7 to move. The connecting rod 7 drives the fastening ring 8 to move, so that the inner wall of the fastening ring 8 fits against the outer wall of the iodine flask 14, fixing the iodine flask 14, and preventing the iodine flask 14 from shaking and colliding when the portable detection box 1 is moved by hand, causing the iodine flask 14 to be damaged.

[0029] Please refer to Figure 1 , Figure 4 and Figure 5, an installation block 18 is fixedly installed on the top of the fixed plate 5. The number of installation blocks 18 is two. A connecting shaft 19 is installed through the outer wall of the installation block 18. The connecting shaft 19 penetrates and is connected to the outer wall of the folding cover 20. By setting the connecting shaft 19, the folding cover 20 is movably connected to the installation block 18. A convex block 21 is fixedly installed on the top of the folding cover 20. A support plate 22 is fixedly installed on the top of the fixed plate 5. The number of support plates 22 is two, and the support plate 22 is located on one side of the placement frame 6. A plug rod 23 is installed through the outer wall of the support plate 22, and the plug rod 23 penetrates the outer wall of the convex block 21. Installation plates 24 are fixedly installed at the top and bottom of the plug rod 23 respectively, and the installation plates 24 are located between the two support plates 22. A second spring 25 is fixedly installed on the outer wall of the lower set of installation plates 24, and the right end of the second spring 25 is fixedly connected to the outer wall of the right support plate 22. By setting the folding cover 20, it is used to close the top of the placement frame 6, which is convenient for providing a dark environment for the iodine flask 14 after adding reagents. Pull the upper set of installation plates 24 to drive the plug rod 23 to move to the right. After rotating the folding cover 20 to close the top of the placement frame 6, release the installation plate 24. The second spring 25 pushes the installation plate 24 to drive the plug rod 23 to move to the left and penetrate through the outer wall of the convex block 21 to fix the folding cover 20, preventing the folding cover 20 from accidentally opening, exposing the iodine flask 14 to light, and preventing the detection structure from being affected.

[0030] Working principle: When a handheld folding water quality sulfide detection device is used, hold the handheld detection box 1 and move it to the detection position. Take out the iodine flask 14 from the inside of the placement frame 6. Take 2.5 ml of zinc acetate solution reagent and put it into a 250 ml iodine flask 14. Add 50 ml of the sample to be detected, add 10 ml of 0.02 mol / l iodine standard solution, and then add 5 ml of 1:1 hydrochloric acid solution. Seal the iodine flask 14 with the sealing plug 15. Hold the iodine flask 14 and shake it evenly. Place the iodine flask 14 inside the placement frame 6 and close the placement frame 6 with the folding cover 20, so that the iodine flask 14 is placed in the dark for 10 minutes. When titrating with 0.02 mol / l sodium thiosulfate standard solution until the solution turns light yellow, add 1 ml of starch indicator solution, and continue titrating until the blue color just disappears. Then use distilled water instead of the sample and add the same volume of reagents as in the determination to conduct a blank test and a parallel test. Calculate the water quality sulfide content through the corresponding calculation formula to detect the sulfide. After the detection is completed, place the iodine flask 14 inside the placement frame 6, and then start the electric push rod 10 to extend, pushing the convex frame 11 to move to the left. The inclined outer wall of the convex frame 11 squeezes the convex plate 9, pushing the convex plate 9 to move along the bottom of the inner wall of the handheld detection box 1 towards the placement frame 6, squeezing the first spring 12, and pushing the connecting rod 7 to move. The connecting rod 7 drives the fastening ring 8 to move, so that the inner wall of the fastening ring 8 fits with the outer wall of the iodine flask 14 to fix the iodine flask 14, preventing the iodine flask 14 from shaking and colliding when holding the handheld detection box 1 and causing the iodine flask 14 to be damaged.

[0031] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A handheld foldable water quality sulfide detection device, characterized in that: include: A portable testing box (1), wherein an electric push rod (10) is fixedly mounted on the inner wall of the portable testing box (1); A convex frame (11), the left end of the electric push rod (10) being fixedly connected to the inner wall of the convex frame (11); A placing frame (6) is fixedly installed on the bottom of the inner wall of the portable detection box (1), a connecting rod (7) is installed through the outer wall of the placing frame (6), one end of the connecting rod (7) is fixedly connected to a convex plate (9), and the bottom of the convex plate (9) is slidably connected to the bottom of the inner wall of the portable detection box (1), one end of the connecting rod (7) away from the convex plate (9) is fixedly connected to a fastening ring (8), the inner wall of the fastening ring (8) is in contact with the outer wall of the iodine volume bottle (14), the outer wall of the convex plate (9) is fixedly installed with a spring 1 (12), the outer wall of the convex plate (9) is connected through a guide rod (13), and the guide rod (13) is located on the left side of the spring 1 (12).

2. A handheld foldable water quality sulfide detection device according to claim 1, characterized in that: The top of the portable detection box (1) is rotatably connected to a box cover (2).

3. A handheld foldable water quality sulfide detection device according to claim 1, characterized in that: A fixing block (3) is fixedly mounted on the outer wall of the portable detection box (1), and a handle (4) is connected through the outer wall of the fixing block (3).

4. A handheld foldable water quality sulfide detection device according to claim 1, characterized in that: A fixing plate (5) is fixedly mounted on the inner wall of the portable detection box (1).

5. A handheld foldable water quality sulfide detection device according to claim 4, characterized in that: A reagent tube (16) is installed through the top of the fixing plate (5), and a label (17) is fixedly installed on the top of the fixing plate (5).

6. A handheld foldable water quality sulfide detection device according to claim 1, characterized in that: The inner wall of the iodine measuring bottle (14) is thread-engaged with a sealing plug (15).

7. A handheld foldable water quality sulfide detection device according to claim 4, characterized in that: A mounting block (18) is fixedly installed on the top of the fixing plate (5), a connecting shaft (19) is installed through the outer wall of the mounting block (18), the connecting shaft (19) is connected to the outer wall of the folding cover (20), a convex block (21) is fixedly installed on the top of the folding cover (20), a supporting plate (22) is fixedly installed on the top of the fixing plate (5), an insert rod (23) is connected to the outer wall of the supporting plate (22), a mounting plate (24) is fixedly installed on the top and bottom of the insert rod (23), and a spring 2 (25) is fixedly installed on the outer wall of the mounting plate (24).

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