A sodium hypochlorite dosing device

By designing a sodium hypochlorite doser, using structures such as hoses, cartridges, piston rods and sealing plates, unmanned filling of sodium hypochlorite solution is achieved, solving the corrosion and injury problems caused by staff contacting the solution, ensuring safety and achieving precise control.

CN222744075UActive Publication Date: 2025-04-11CHONGQING THREE GORGES WATER CO LTD
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Patent Information

Application Number
CN202421325540.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-11
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

When existing sodium hypochlorite dosers are in use, staff may directly contact the sodium hypochlorite solution or be splashed by the solution, causing corrosion and damage.

Method used

A sodium hypochlorite doser was designed to realize unmanned filling of sodium hypochlorite solution by setting up structures such as hoses, cartridges, piston rods and sealing plates to avoid direct contact with the solution by staff.

Benefits of technology

It effectively prevents staff from contacting with sodium hypochlorite solution, ensures staff safety, and achieves precise control of drug solution filling through the movement of the sealing plate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drug dosing devices, and proposes a sodium hypochlorite dosing device, comprising a drug storage device, a drug feeding pipe is fixedly arranged on the edge of the top surface of the drug storage device, a drug extraction cartridge is fixedly arranged on the top of the drug feeding pipe, a moving hole is arranged in the middle of an inner wall of one side of the drug extraction cartridge, a piston rod is movably inserted in the inner side of the moving hole, a piston is fixedly arranged at one end of the piston rod, the piston is movably sleeved on the inner side of the drug extraction cartridge, a fixing block is fixedly arranged at one end of the drug extraction cartridge, a drainage groove is arranged on one side wall of the fixing block, connecting holes are symmetrically arranged on the edge of the inner wall of one side of the drainage groove, a spring cylinder is symmetrically arranged on the edge of the top surface of the fixing block, a spring is fixedly arranged on the inner wall of the spring cylinder, and a sealing plug is fixedly arranged on the lower end of the spring. The utility model is simple and convenient to operate, and can ensure that the staff does not directly contact with the sodium hypochlorite during use, the inside of the drug storage device is sealed to prevent volatilization, and the staff is prevented from being corroded by the sodium chlorate solution, thereby ensuring the safety of the staff.
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Description

Technical Field

[0001] The utility model relates to the technical field of dosing devices, in particular to a sodium hypochlorite dosing device. Background Art

[0002] Sodium hypochlorite is an inorganic compound with the chemical formula NaClO. It is a hypochlorite. The hypochlorous acid produced by the reaction of sodium hypochlorite and carbon dioxide is the active ingredient of bleach. It is used as a bleaching agent, oxidant and water purifier, and has the functions of bleaching, sterilization and disinfection. It is used in water purification, disinfectant, pulp bleaching, etc. It is used in the pharmaceutical industry to make chloramines, etc.

[0003] When sodium hypochlorite is used for water purification or making bleach, a sodium hypochlorite doser is needed to add sodium hypochlorite solution into the working equipment. However, when using a general sodium hypochlorite doser, the doser cover needs to be opened and then the sodium hypochlorite solution needs to be poured into it. Since sodium hypochlorite is highly corrosive, when pouring the solution, the workers may come into contact with the sodium hypochlorite solution directly or be splashed by the sodium hypochlorite solution, causing serious injuries.

[0004] Therefore, a sodium hypochlorite dosing device is needed, which can ensure that the staff does not directly contact with the sodium hypochlorite when adding the sodium hypochlorite solution, avoid the staff from being corroded and injured by the sodium hypochlorite solution, and ensure the safety of the staff. Utility Model Content

[0005] In order to solve the above problems, the utility model proposes a sodium hypochlorite dosing device, which is simple and convenient to operate and can ensure that workers do not directly contact with sodium hypochlorite when adding sodium hypochlorite solution, thereby preventing workers from being corroded and harmed by the sodium chlorate solution and ensuring the safety of the workers.

[0006] In order to achieve the above purpose, the utility model proposes the following specific solutions:

[0007] A sodium hypochlorite dosing device comprises a drug storage device, a drug feeding pipe is fixedly arranged on the edge of the top surface of the drug storage device, the drug feeding pipe is connected with the inner side of the drug storage device, a drug extraction cartridge is fixedly arranged on the top of the drug feeding pipe, the drug feeding pipe is connected with the inner side of the drug extraction cartridge, a movable hole is arranged in the middle of the inner wall of one side of the drug extraction cartridge, a piston rod is movably inserted in the inner side of the movable hole, a piston is fixedly arranged at one end of the piston rod, the piston is movably sleeved on the inner side of the drug extraction cartridge, a fixed block is fixedly arranged at one end of the drug extraction cartridge, a drainage groove is arranged on one side wall of the fixed block, the drainage groove is connected with the inner side of the drug extraction cartridge, a connecting hole is symmetrically arranged on the edge of the inner wall of one side of the drainage groove, a spring cylinder is symmetrically arranged on the edge of the top surface of the fixed block, the connecting hole is connected with the inner side of the spring cylinder, a spring is fixedly arranged on the inner wall of the spring cylinder, the lower end of the spring is located inside the connecting hole, and a sealing plug is fixedly arranged on the lower end of the spring;

[0008] A medicine feed hole is provided in the middle of one side of the drainage groove, and the medicine feed hole is located above the sealing plug. An internal thread is provided on the inner wall of the upper end of the medicine feed hole, and a mounting tube is provided in the inner thread connection of the medicine feed hole. An external thread is provided on the outer wall of the lower end of the mounting tube, and a hose is fixedly provided on the top of the mounting tube. A guide tube is fixedly provided on the edge of one side wall of the medicine storage container, and the guide tube is connected to the inner side of the medicine storage container. A rectangular tube is connected at one end of the guide tube, and a medicine outlet tube is connected at the lower end of the rectangular tube.

[0009] As a preferred technical solution of the sodium hypochlorite dosing device of the utility model, a support plate is fixedly provided on the outer wall of the sealing plug, a connecting column is fixedly provided on the edge of the top surface of the support plate, and the top end of the connecting column is fixedly connected to the lower end of the spring.

[0010] As a preferred technical solution of the sodium hypochlorite dosing device of the utility model, a pushing plate is fixedly provided at the lower end of the mounting tube, and the pushing plate is located above the sealing plug.

[0011] As a preferred technical solution of a sodium hypochlorite dosing device of the utility model, a hollow plate is fixedly provided in the middle of one side wall of the rectangular tube, the hollow plate is connected to the inner side of the rectangular tube, a sliding hole is provided in the middle of one side wall of the hollow plate, a sealing plate is movably inserted in the inner side of the sliding hole, the sealing plate is located on the inner side of the rectangular tube, a pull rod is fixedly provided in the middle of one side wall of the sealing plate, and one end of the pull rod is movably inserted in the inner side of the sliding hole.

[0012] As a preferred technical solution of the sodium hypochlorite dosing device of the utility model, a storage box is fixedly provided on the other side wall of the drug storage device, an insertion groove is provided on the edge of one side wall of the storage box, a box cover is movably inserted inside the insertion groove, and a push-pull plate is fixedly provided on one side wall of the box cover.

[0013] As a preferred technical solution of the sodium hypochlorite dosing device of the utility model, a fixing column is fixedly provided on the other side of the top surface of the drug storage container, and the top end of the fixing column is fixedly connected to the fixing block.

[0014] As a preferred technical solution of the sodium hypochlorite dosing device of the utility model, legs are fixedly provided on the edges of the bottom surface of the drug storage container.

[0015] As a preferred technical solution of the sodium hypochlorite dosing device of the utility model, the size of the sealing plug is matched with the size of the medicine inlet hole, and the size of the piston is matched with the size of the inner side of the medicine extraction cylinder.

[0016] Compared with the existing technology, the utility model has the following beneficial effects:

[0017] The utility model inserts a hose into the sodium hypochlorite storage tank through the arrangement, pulls the piston rod, causes the piston to move inside the medicine extraction cylinder, and sucks the sodium hypochlorite solution into the inside of the medicine extraction cylinder through the negative pressure principle; when the piston moves to one side of the medicine inlet pipe, the sodium hypochlorite solution is injected into the medicine storage device through the medicine inlet pipe; when the sodium hypochlorite solution is added into the working equipment, it is only necessary to pull the pull rod to drive the blocking plate that blocks the rectangular cylinder to move, and the sodium hypochlorite solution can be added into the working equipment through the medicine outlet pipe; the scheme does not require the staff to contact with the sodium hypochlorite solution throughout the whole process, thereby ensuring the safety of the staff; and the flow rate of the sodium hypochlorite solution can be controlled through the movement of the blocking plate, which is conducive to the precise control of the filling of the medicine solution.

[0018] The utility model discloses an installation pipe connected with a hose and connected with the medicine inlet hole by a threaded connection. When the sodium hypochlorite solution is not extracted, the sealing plug is inserted into the medicine inlet hole under the pulling force of the spring, so that the inside of the medicine storage container is sealed to prevent the sodium hypochlorite solution inside from volatilizing. When the sodium hypochlorite solution is extracted, the installation pipe is screwed into the medicine inlet hole through the thread, and the pushing plate at the lower end of the installation pipe pushes the sealing plug out of the medicine inlet hole, so that the medicine extraction cartridge can be used to extract medicine. The installation pipe and the hose after the medicine extraction are completed can be removed and stored in the storage box for the convenience of next use. The scheme is simple and convenient to use, and can seal the inside of the medicine storage container to prevent the sodium hypochlorite solution from volatilizing and being inhaled by the staff to cause harm. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to better describe the technical solution of the utility model in detail, the present invention is further explained below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a three-dimensional diagram of the overall structure provided by the utility model;

[0021] Figure 2 It is a three-dimensional cross-sectional view of the utility model;

[0022] Figure 3 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0023] Figure 4 For this utility model Figure 2 The enlarged schematic diagram of point B in the middle;

[0024] Figure 5 For this utility model Figure 2 The enlarged schematic diagram of the center C;

[0025] Figure 6 For this utility model Figure 2 Enlarged schematic diagram of point D in the middle.

[0026] In the figure: 1. medicine storage device; 11. supporting leg; 12. fixing column; 13. medicine inlet pipe; 14. storage box; 141. plug-in slot; 15. box cover; 151. push-pull plate; 16. guide pipe; 17. rectangular cylinder; 171. hollow plate; 172. sliding hole; 18. medicine outlet pipe; 19. blocking plate; 191. pull rod; 2. medicine extraction cartridge; 21. piston; 22. piston rod; 23. moving hole; 3. fixing block; 31. drainage slot; 311. connecting hole; 312. medicine inlet hole; 313. internal thread; 32. spring cylinder; 321. spring; 33. sealing plug; 331. support plate; 332. connecting column; 4. mounting tube; 41. hose; 42. external thread; 43. pushing plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] See also Figure 1-6 As shown, the utility model provides the following technical solutions: a sodium hypochlorite dosing device, comprising a drug storage container 1, which is used to store sodium hypochlorite solution. A leg 11 is fixedly provided on the edge of the bottom surface of the drug storage container 1, and a fixed column 12 is fixedly provided on the other edge of the top surface of the drug storage container 1. The top of the fixed column 12 is fixedly connected to the fixed block 3. The leg 11 can support the drug storage container 1, and the fixed column 12 can support the fixed block 3 to ensure the stability of the overall structure.

[0030] Reference Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, specifically, a medicine inlet pipe 13 is fixedly provided on the edge of the top surface of the medicine storage container 1, which is used to introduce the sodium hypochlorite solution in the medicine extraction cartridge 2 into the medicine storage container 1, the medicine inlet pipe 13 is connected with the inner side of the medicine storage container 1, and a medicine extraction cartridge 2 is fixedly provided on the top of the medicine inlet pipe 13, which is used to extract the sodium hypochlorite solution, the medicine inlet pipe 13 is connected with the inner side of the medicine extraction cartridge 2, and a movable hole 23 is provided in the middle of the inner wall of one side of the medicine extraction cartridge 2 to facilitate the movement of the piston rod 22, and a piston rod 22 is movably inserted in the inner side of the movable hole 23 to drive the piston 21 to move, and a piston 21 is fixedly provided at one end of the piston rod 22, and the size of the piston 21 is adapted to the inner size of the medicine extraction cartridge 2, and is used to generate a negative pressure space inside the medicine extraction cartridge 2 through movement to extract the sodium hypochlorite solution, and the piston 21 is movably sleeved on the inner side of the medicine extraction cartridge 2. A fixing block 3 is fixed at the end for connecting the drug extraction cartridge 2 with the mounting tube 4. A drainage groove 31 is provided on one side wall of the fixing block 3 for guiding fluid into the drug extraction cartridge 2. The drainage groove 31 is connected with the inner side of the drug extraction cartridge 2. A connecting hole 311 is symmetrically provided on the inner wall edge of one side of the drainage groove 31 for moving the connecting column 332. A spring cylinder 32 is symmetrically provided on the top edge of the fixing block 3 for connecting a spring 321. The connecting hole 311 is connected with the inner side of the spring cylinder 32. A spring 321 is fixed on the inner wall of the spring cylinder 32 for providing elastic tension for the sealing plug 33. The lower end of the spring 321 is located on the inner side of the connecting hole 311. A sealing plug 33 is fixed on the lower end of the spring 321. The size of the sealing plug 33 matches the size of the drug inlet hole 312 for sealing the drug inlet hole 312. The sealing plug A support plate 331 is fixedly arranged on the outer wall of 33 for supporting the sealing plug 33. A connecting column 332 is fixedly arranged on the edge of the top surface of the support plate 331 for driving the sealing plug 33 to move. The top end of the connecting column 332 is fixedly connected to the lower end of the spring 321. A medicine feed hole 312 is arranged in the middle of one side of the drainage groove 31 for connecting the mounting tube 4 to extract the sodium hypochlorite solution. The medicine feed hole 312 is located above the sealing plug 33. An internal thread 313 is arranged on the inner wall of the upper end of the medicine feed hole 312 for threaded connection with the mounting tube 4. The inner side of the medicine feed hole 312 is threadedly connected with the mounting tube 4 for connecting the hose 41 with the medicine feed hole 312. An external thread 42 is arranged on the outer wall of the lower end of the mounting tube 4 for connecting the mounting tube 4 with the medicine feed hole 312. A hose 41 is fixedly arranged on the top of the mounting tube 4 for extracting the sodium hypochlorite solution from the medicine feed hole 312. The solution is extracted from the sodium chlorate solution storage tank, and a pushing plate 43 is fixedly arranged at the lower end of the mounting tube 4. The pushing plate 43 is located above the sealing plug 33 and is used to push the sealing plug 33 to move. A storage box 14 is fixedly arranged on the other side wall of the medicine storage container 1 for storing the hose 41 and the mounting tube 4. A plug-in groove 141 is arranged on the edge of one side wall of the storage box 14 to facilitate the connection of the box cover 15. A box cover 15 is movably plugged in the inner side of the plug-in groove 141 to cover the storage box 14 to prevent dust from falling in. A push-pull plate 151 is fixedly arranged on one side wall of the box cover 15 to facilitate the movement of the box cover 15. This solution does not require the staff to contact with the sodium hypochlorite solution throughout the process. The interior of the medicine storage container 1 is sealed to prevent the sodium hypochlorite solution from volatilizing and being inhaled by the staff to cause harm, thereby ensuring the safety of the staff.

[0031] Reference Figure 1 , Figure 2 and Figure 4 As shown, specifically, a guide tube 16 is fixedly provided at the edge of one side wall of the drug storage container 1, and the guide tube 16 is connected with the inner side of the drug storage container 1 for guiding the solution inside the drug storage container 1. A rectangular tube 17 is connected at one end of the guide tube 16 for sealing the drug storage container 1 in cooperation with the blocking plate 19. A hollow plate 171 is fixedly provided at the middle of one side wall of the rectangular tube 17 for facilitating the movement of the blocking plate 19. The hollow plate 171 is connected with the inner side of the rectangular tube 17. A sliding hole 172 is provided at the middle of one side wall of the hollow plate 171 for facilitating the sliding of the pull rod 191 therein. The blocking plate 19 is movably inserted in the inner side of the sliding hole 172. The blocking plate 19 is provided at the inner side of the blocking plate 19. 9 is located on the inner side of the rectangular cylinder 17 and is used to seal the inner side of the rectangular cylinder 17. A pull rod 191 is fixedly provided in the middle of one side wall of the sealing plate 19 to drive the sealing plate 19 to move. One end of the pull rod 191 is movably inserted into the inner side of the sliding hole 172. A medicine outlet pipe 18 is provided at the lower end of the rectangular cylinder 17 to fill the working equipment with sodium hypochlorite solution. In this solution, when filling the working equipment with sodium hypochlorite solution, there is no need for the staff to contact with the solution, thereby ensuring the safety of the staff. In addition, the flow rate of the sodium hypochlorite solution can be controlled by moving the sealing plate 19, which is conducive to the precise control of the filling of the medicine solution.

[0032] The working principle and use process of this utility model:

[0033] When in use, the hose 41 and the mounting tube 4 for extracting medicine are taken out of the storage box 14, and the mounting tube 4 is screwed into the medicine inlet hole 312 through a thread. The pushing plate 43 at the lower end of the mounting tube 4 pushes the sealing plug 33 to move out of the medicine inlet hole 312, and then the piston rod 22 is pulled to make the piston 21 move inside the medicine extraction cylinder 2, and the sodium hypochlorite solution is sucked into the inside of the medicine extraction cylinder 2 through the negative pressure principle. When the piston 21 moves to the side of the medicine inlet pipe 13, the sodium hypochlorite solution is injected into the medicine storage container 1 through the medicine inlet pipe 13. After the medicine extraction is completed, the mounting tube 4 is removed, and the sealing plug 33 is plugged into the medicine inlet hole 312 under the pulling force of the spring 321, so that the inside of the medicine storage container 1 is sealed to prevent the sodium hypochlorite solution inside from volatilizing. When adding medicine to the working equipment, the pull rod 191 is pulled to drive the sealing plate 19 that blocks the rectangular cylinder 17 to move, and the sodium hypochlorite solution can be added to the working equipment through the medicine outlet pipe 18.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sodium hypochlorite dosing device, comprising a drug storage device (1), characterized in that: A medicine feed pipe (13) is fixedly provided on the edge of the top surface of the medicine storage container (1), and the medicine feed pipe (13) is connected to the inner side of the medicine storage container (1). A medicine extraction cartridge (2) is fixedly provided on the top of the medicine feed pipe (13), and the medicine feed pipe (13) is connected to the inner side of the medicine extraction cartridge (2). A movable hole (23) is provided in the middle of the inner wall of one side of the medicine extraction cartridge (2), and a piston rod (22) is movably inserted in the inner side of the movable hole (23). A piston (21) is fixedly provided at one end of the piston rod (22), and the piston (21) is movably sleeved on the inner side of the medicine extraction cartridge (2). A fixed block (3) is provided, a drainage groove (31) is provided on one side wall of the fixed block (3), the drainage groove (31) is connected to the inner side of the drug extraction cylinder (2), a connection hole (311) is symmetrically provided on the edge of the inner wall of one side of the drainage groove (31), a spring cylinder (32) is symmetrically provided on the edge of the top surface of the fixed block (3), the connection hole (311) is connected to the inner side of the spring cylinder (32), a spring (321) is fixedly provided on the inner wall of the spring cylinder (32), the lower end of the spring (321) is located on the inner side of the connection hole (311), and a sealing plug (33) is fixedly provided on the lower end of the spring (321); A medicine feed hole (312) is provided in the middle of one side of the drainage groove (31), and the medicine feed hole (312) is located above the sealing plug (33). An internal thread (313) is provided on the inner wall of the upper end of the medicine feed hole (312). A mounting tube (4) is threadedly connected to the inner side of the medicine feed hole (312), and an external thread (42) is provided on the outer wall of the lower end of the mounting tube (4). A hose (41) is fixedly provided on the top of the mounting tube (4). A guide tube (16) is fixedly provided on the edge of one side wall of the medicine storage container (1), and the guide tube (16) is connected to the inner side of the medicine storage container (1). A rectangular tube (17) is connected to one end of the guide tube (16), and a medicine outlet tube (18) is connected to the lower end of the rectangular tube (17).

2. A sodium hypochlorite dosing device according to claim 1, characterized in that: A support plate (331) is fixedly provided on the outer wall of the sealing plug (33), a connecting column (332) is fixedly provided on the edge of the top surface of the support plate (331), and the top end of the connecting column (332) is fixedly connected to the lower end of the spring (321).

3. A sodium hypochlorite dosing device according to claim 2, characterized in that: A pushing plate (43) is fixedly provided at the lower end of the mounting tube (4), and the pushing plate (43) is located above the sealing plug (33).

4. A sodium hypochlorite dosing device according to claim 3, characterized in that: A hollow plate (171) is fixedly provided in the middle of one side wall of the rectangular tube (17), and the hollow plate (171) is connected to the inner side of the rectangular tube (17). A sliding hole (172) is provided in the middle of one side wall of the hollow plate (171), and a sealing plate (19) is movably inserted into the inner side of the sliding hole (172). The sealing plate (19) is located on the inner side of the rectangular tube (17). A pull rod (191) is fixedly provided in the middle of one side wall of the sealing plate (19), and one end of the pull rod (191) is movably inserted into the inner side of the sliding hole (172).

5. A sodium hypochlorite dosing device according to claim 4, characterized in that: A storage box (14) is fixedly provided on the other side wall of the medicine storage container (1), an insertion groove (141) is provided on the edge of one side wall of the storage box (14), a box cover (15) is movably inserted inside the insertion groove (141), and a push-pull plate (151) is fixedly provided on one side wall of the box cover (15).

6. A sodium hypochlorite dosing device according to claim 5, characterized in that: A fixing column (12) is fixedly provided on the other side of the top surface of the medicine storage container (1), and the top end of the fixing column (12) is fixedly connected to the fixing block (3).

7. A sodium hypochlorite dosing device according to claim 6, characterized in that: The bottom edge of the medicine storage container (1) is fixedly provided with supporting legs (11).

8. A sodium hypochlorite dosing device according to claim 7, characterized in that: The size of the sealing plug (33) matches the size of the medicine inlet hole (312), and the size of the piston (21) matches the size of the inner side of the medicine extraction cylinder (2).