Efficient filtering device for lidocaine hydrochloride injection processing

By designing a high-efficiency filter device including a box, a liquid inlet tube, a filter tank and a filter mechanism, the problems of low efficiency and easy blockage of traditional filter devices are solved, continuous filtration and efficient production are achieved, and the stability of drug quality is ensured.

CN222605670UActive Publication Date: 2025-03-14JIANGSU CHANGJIANG PHARM CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421115551.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-03-14
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The filtering device of traditional lidocaine hydrochloride injection has the problems of low filtration efficiency, easy blockage, and difficult to clean, which affects production efficiency and drug quality.

Method used

An efficient filtering device including a box, a liquid inlet pipe, a filter tank and a filter mechanism is designed. The liquid is diverted and filtered through a three-way valve, and a cleaning tank and a spray head are equipped to ensure that the cleaning and maintenance of the filtration operation is not stopped.

Benefits of technology

It realizes continuous filtration without stopping the filtration operation, improves production efficiency, saves time for shutdown cleaning and maintenance, and ensures the stability of drug quality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222605670U_ABST
    Figure CN222605670U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of filtering equipment for lidocaine hydrochloride injection production, in particular to a high-efficiency filtering device for lidocaine hydrochloride injection processing, which comprises a box body and a liquid inlet pipe, filtering grooves are arranged in the box body, filtering mechanisms are arranged on the filtering grooves, the number of the filtering grooves is two, the filtering grooves are symmetrically arranged, and the liquid inlet pipe is arranged on the box body. Connecting pipes are arranged at the top ends of the two filter tanks, a three-way valve is arranged between the liquid inlet pipe and the two connecting pipes, a liquid outlet hopper is arranged at the bottom end of the box body, connecting pipes are arranged between the liquid outlet hopper and the two filter tanks, a fastening box is arranged on one side of the box body, the fastening box is embedded into the box body, and the fastening box is connected with the two filter tanks. According to the structure, continuous filtering operation can be realized under the condition that the filtering operation is not stopped, the production efficiency of the whole production line is ensured, and the time occupied by personnel when the machine needs to be stopped for cleaning and maintenance is saved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment for lidocaine hydrochloride injection production, in particular to a high-efficiency filtering device for lidocaine hydrochloride injection processing. Background Art

[0002] As we all know, lidocaine hydrochloride is a local anesthetic widely used in clinical practice. In the preparation process of its injection, filtration is an important step to ensure the quality and safety of the drug. Traditional filtration devices have problems such as low filtration efficiency, easy clogging, and difficulty in cleaning. These problems not only affect production efficiency, but may also affect the quality and stability of the injection. Therefore, it is necessary to propose a solution to this technical problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a high-efficiency filtering device for processing lidocaine hydrochloride injection.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency filtering device for processing lidocaine hydrochloride injection, comprising a box body and a liquid inlet pipe, a filter tank is provided inside the box body, a filtering mechanism is provided on the filter tank, two filter tanks are provided and are symmetrically arranged, a connecting pipe is provided at the top of the two filter tanks, a three-way valve is provided between the liquid inlet pipe and the two connecting pipes, a liquid outlet hopper is provided at the bottom end of the box body, a connecting pipe is provided between the liquid outlet hopper and the two filter tanks, a fastening box is provided on one side of the box body, and the fastening box is embedded in Inside the box body, a threaded hole is opened on the fastening box, a threaded column is provided on the threaded hole, a cone head is provided on one end of the threaded column, a cleaning groove is opened between the filter groove and the threaded hole, a cleaning inclined column is provided on the cleaning groove, a nozzle is provided on the cleaning inclined column, a hose is provided at one end of the nozzle, the hose extends to the outside of the fastening box, a fastening groove is opened on one side of the cleaning groove, an elastic component and a fastening plate are provided on the fastening groove, the fastening plate is connected to the cleaning inclined column, and a fixing mechanism is provided between the two filtering mechanisms and the fastening box.

[0007] Furthermore, the utility model is improved in that the fixing mechanism includes a fixing groove and a fixing hole, the fixing groove is opened on one side of the filtering mechanism, the fixing hole is opened between one side of the fastening box and the threaded hole, a fixing inclined column is provided on the fixing hole, a supporting groove is opened on one side of the fixing hole, an elastic component and a fixing plate are provided on the supporting groove, and the fixing plate is connected to the fixing inclined column.

[0008] Furthermore, the utility model is improved in that the three-way valve is an electromagnetic three-way valve.

[0009] Furthermore, the utility model is improved in that a handle is provided on the outer side of the filtering mechanism.

[0010] Furthermore, the utility model is improved in that a liquid outlet pipe is provided at the bottom end of the liquid outlet bucket.

[0011] Furthermore, the utility model is improved in that flanges are provided on the liquid inlet pipe and the liquid outlet pipe.

[0012] Furthermore, the utility model is improved in that the elastic component is a spring.

[0013] Furthermore, the utility model is improved in that the nozzle is arranged at an angle.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a high-efficiency filtering device for processing lidocaine hydrochloride injection, which has the following beneficial effects:

[0016] The high-efficiency filtering device for processing lidocaine hydrochloride injection delivers liquid for producing lidocaine hydrochloride injection entering through a liquid inlet pipe to another filter tank through a three-way valve, performs filtering operation through a filtering mechanism in the other filter tank, and then personnel clean or maintain the filtering mechanism in the first filter tank, thereby achieving continuous filtering operation without stopping the filtering operation, ensuring the production efficiency of the entire production line, and saving the time occupied by personnel when stopping the machine for cleaning and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0019] Figure 3 This is a half-section view of the structure of the utility model;

[0020] Figure 4 It is a top view of the structure of the utility model in half section.

[0021] In the figure: 1. box body; 2. liquid inlet pipe; 3. filtering mechanism; 4. three-way valve; 5. liquid outlet bucket; 6. fastening box; 7. threaded column; 8. cleaning inclined column; 9. nozzle; 10. hose; 11. elastic component; 12. fastening plate; 13. fixing groove; 14. fixing inclined column; 15. fixing plate; 16. liquid outlet pipe. DETAILED DESCRIPTION

[0022] 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 in 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.

[0023] See also Figure 1-4 The utility model is a high-efficiency filtering device for processing lidocaine hydrochloride injection, comprising a box body 1 and a liquid inlet pipe 2. A filter tank is provided inside the box body 1, and a filtering mechanism 3 is provided on the filter tank. Two filter tanks are provided and are symmetrically arranged. The tops of the two filter tanks are provided with connecting pipes. A three-way valve 4 is provided between the liquid inlet pipe 2 and the two connecting pipes. A liquid outlet hopper 5 is provided at the bottom end of the box body 1. A connecting pipe is provided between the liquid outlet hopper 5 and the two filter tanks. A filter mechanism 3 is provided on one side of the box body 1. There is a fastening box 6, the fastening box 6 is embedded in the interior of the box body 1, a threaded hole is provided on the fastening box 6, a threaded column 7 is provided on the threaded hole, a cone head is provided at one end of the threaded column 7, a cleaning groove is provided between the filter tank and the threaded hole, a cleaning inclined column 8 is provided on the cleaning groove, a nozzle 9 is provided on the cleaning inclined column 8, a hose 10 is provided at one end of the nozzle 9, and the hose 10 extends to the outside of the fastening box 6, a fastening groove is provided on one side of the cleaning groove, and an elastic Component 11 and fastening plate 12, the fastening plate 12 is connected to the cleaning inclined column 8, and a fixing mechanism is provided between the two filtering mechanisms 3 and the fastening box 6. In this embodiment, the personnel assemble the filtering mechanism 3 in the filtering tank, and then fix the filtering mechanism 3 through the fixing mechanism. The liquid for producing lidocaine hydrochloride injection entering through the liquid inlet pipe 2 is transported to a filtering tank by using the three-way valve 4, and the filtering operation is performed through the filtering mechanism 3, and then the liquid is discharged from the liquid outlet hopper 5 through the connecting pipe between the liquid outlet hopper 5. After long-term use, the filtering mechanism 3 needs to be cleaned or maintained regularly. At this time, the liquid for producing lidocaine hydrochloride injection entering through the liquid inlet pipe 2 is transported to another filtering tank through the three-way valve 4, and the filtering operation is performed through the filtering mechanism 3 in the other filtering tank. Then, the personnel clean or maintain the filtering mechanism 3 in the first filtering tank, which can realize continuous filtering operation without stopping the filtering operation, ensure the production efficiency of the entire production line, and save the time occupied by the personnel when they need to stop the machine for cleaning and maintenance.

[0024] In this solution, the fixing mechanism includes a fixing groove 13 and a fixing hole, the fixing groove 13 is opened on one side of the filter mechanism 3, the fixing hole is opened between one side of the fastening box 6 and the threaded hole, a fixing inclined column 14 is provided on the fixing hole, a supporting groove is opened on one side of the fixing hole, an elastic component 11 and a fixing plate 15 are provided on the supporting groove, and the fixing plate 15 is connected to the fixing inclined column 14. When the filter mechanism 3 needs to be fixed, the filter mechanism 3 is placed on the filter groove, at this time, the fixing inclined column 14 in the fixing hole is aligned with the fixing groove 13 opened on one side of the filter mechanism 3, and a person rotates the screw The threaded column 7 in the perforation, the cone head of the threaded column 7 contacts and pushes the cleaning part of the fixed inclined column 14, so that the fixed inclined column 14 leaves the threaded hole, one end of the fixed inclined column 14 is against the fixed groove 13, and the filter mechanism 3 is fixed in the filter groove. At this time, when the threaded column 7 is adjusting and cleaning the inclined column 8, it does not affect the fixed inclined column 14 against the fixed groove 13. When the filter mechanism 3 needs to be disassembled, the threaded column 7 is rotated in the opposite direction, so that the fixed inclined column 14 supports the fixed plate 15 through the elastic component 11 in the support groove, and the fixed plate 15 drives the fixed inclined column 14 to move, and one end of the fixed inclined column 14 leaves the fixed groove 13, so that the filter mechanism 3 can be taken out.

[0025] In this solution, the three-way valve 4 is an electromagnetic three-way valve 4, which facilitates controlling the liquid to enter a designated filter tank.

[0026] In this solution, a handle is provided on the outer side of the filter mechanism 3, and the handle is convenient for a person to place the filter mechanism 3 in the filter tank or take it out from the filter tank.

[0027] In this solution, a liquid outlet pipe 16 is provided at the bottom end of the liquid outlet bucket 5, and the liquid outlet pipe 16 at the bottom end of the liquid outlet bucket 5 is convenient for external connection to the pipeline of the next step equipment.

[0028] In this solution, flanges are provided on the liquid inlet pipe 2 and the liquid outlet pipe 16, which facilitate the liquid inlet pipe 2 and the liquid outlet pipe 16 to be connected to external pipelines. The flanges can improve the connection strength and sealing between the liquid inlet pipe 2 and the liquid outlet pipe 16 and the external pipeline.

[0029] In this solution, the elastic component 11 is a spring, which has the characteristic of good elasticity, thereby being able to improve the supporting effect on the fastening plate 12 or the fixing plate 15 .

[0030] In this solution, the nozzle 9 is tilted, and by fastening the nozzle 9 tilted on the inclined column, water can be sprayed into the filter tank more evenly, thereby improving the flushing efficiency of the filter tank.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency filtering device for processing lidocaine hydrochloride injection, comprising a housing (1) and a liquid inlet pipe (2), wherein a filtering tank is provided inside the housing (1), and a filtering mechanism (3) is provided on the filtering tank, characterized in that: The filter tanks are provided with two and are symmetrically arranged. The top ends of the two filter tanks are provided with connecting pipes. A three-way valve (4) is provided between the liquid inlet pipe (2) and the two connecting pipes. A liquid outlet hopper (5) is provided at the bottom end of the box body (1). A connecting pipe is provided between the liquid outlet hopper (5) and the two filter tanks. A fastening box (6) is provided on one side of the box body (1). The fastening box (6) is embedded in the interior of the box body (1). A threaded hole is provided on the fastening box (6). A threaded column (7) is provided on the threaded hole. One end of the threaded column (7) is provided with a cone. A cleaning groove is provided between the filter groove and the threaded hole, a cleaning inclined column (8) is provided on the cleaning groove, a nozzle (9) is provided on the cleaning inclined column (8), a hose (10) is provided at one end of the nozzle (9), the hose (10) extends to the outside of the fastening box (6), a fastening groove is provided on one side of the cleaning groove, an elastic component (11) and a fastening plate (12) are provided on the fastening groove, the fastening plate (12) is connected to the cleaning inclined column (8), and a fixing mechanism is provided between the two filter mechanisms (3) and the fastening box (6).

2. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 1, characterized in that: The fixing mechanism comprises a fixing groove (13) and a fixing hole, wherein the fixing groove (13) is provided on one side of the filtering mechanism (3), and the fixing hole is provided between one side of the fastening box (6) and the threaded hole, and a fixing inclined column (14) is provided on the fixing hole, and a supporting groove is provided on one side of the fixing hole, and an elastic component (11) and a fixing plate (15) are provided on the supporting groove, and the fixing plate (15) is connected to the fixing inclined column (14).

3. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 2, characterized in that: The three-way valve (4) is an electromagnetic three-way valve (4).

4. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 3, characterized in that: A handle is provided on the outer side of the filtering mechanism (3).

5. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 4, characterized in that: A liquid outlet pipe (16) is provided at the bottom end of the liquid outlet bucket (5).

6. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 5, characterized in that: The liquid inlet pipe (2) and the liquid outlet pipe (16) are both provided with flanges.

7. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 6, characterized in that: The elastic component (11) is a spring.

8. A high efficiency filtration device for processing lidocaine hydrochloride injection according to claim 7, characterized in that: The spray head (9) is arranged at an angle.