Portable ultrafiltration clamp

By setting a separation component and a sealing component on the clamp 2 of the ultrafiltration fixture, the difficulty of separation caused by adhesion between the membrane bag and the clamp is solved, and more efficient membrane bag separation and clamping sealing is achieved.

CN222752982UActive Publication Date: 2025-04-15CHENGDU XINRAN BOCHUANG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421475511.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-15
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

Existing ultrafiltration fixtures can easily lead to adherence of membrane bags when the clamp is separated from the membrane bag, causing difficulties in detachment.

Method used

By providing a separation assembly on the clamp two, including a baffle, a slide rod and a spring, the membrane coat is pushed open when the clamp one and the clamp two are disengaged, avoiding adhesion, and improving clamping sealing through the sealing assembly.

Benefits of technology

It effectively avoids adhesion between the film bag and the clamping plate, simplifies the separation process of the film bag, and improves the clamping sealing, ensuring continuous and controllable production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of ultrafiltration clamps, and discloses a portable ultrafiltration clamp which comprises a first clamping plate and a second clamping plate, two positioning rods are fixedly connected to the right side of the first clamping plate, two positioning holes are formed in the outer wall of the second clamping plate, and the positioning rods are arranged in the positioning holes. The top sides of the first clamping plate and the second clamping plate are connected through a telescopic assembly, a film bag is arranged between the first clamping plate and the second clamping plate, the second clamping plate is provided with two separation assemblies, and the close sides of the first clamping plate and the second clamping plate are connected through a sealing assembly. According to the utility model, when the first clamping plate is separated from the second clamping plate, a film bag on the second clamping plate is ejected out of the outer wall of the second clamping plate through the cooperation between the first spring and the baffle plate, so that the difficulty of separation caused by adhesion between the film bag and the clamping plate due to extrusion of the film bag is avoided; and meanwhile, the sealing performance can be improved when the first clamping plate and the second clamping plate clamp the film bag through cooperation between the positioning head and the sealing gasket.
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Description

Technical Field

[0001] The utility model relates to the technical field of ultrafiltration clamps, in particular to a portable ultrafiltration clamp. Background Art

[0002] In the field of membrane liquid separation technology, there are four categories from coarse to fine separation accuracy: microfiltration (MF), ultrafiltration (UF), nanofiltration (NF) and reverse osmosis (RO). The diameter of ultrafiltration retention particles is between 0.002 and 0.1 m. Ultrafiltration allows small molecules and soluble solids (inorganic salts) to pass through, while intercepting colloids, proteins, microorganisms and macromolecular organic matter to achieve the concentration of macromolecular organic matter.

[0003] After searching, an ultrafiltration fixture with announcement number CN217662588U includes a left clamp, a right clamp, a membrane package and a base, the left clamp and the right clamp are both slidably connected to the base, an inlet end is arranged at the upper end of one side of the left clamp, an outlet end is arranged on the side adjacent to the inlet end of the left clamp, a reflux end is arranged on the side of the lower end of the right clamp, and a membrane package is arranged between the left clamp and the right clamp. The utility model opens a hole on another clamp as the reflux end, so that the flow rate of the solution in the channel of the membrane package is the same, avoiding the blockage of the farthest membrane package, improving the use efficiency of the membrane package, and ensuring the controllability of continuous production at the same time. It has many application scenarios and can be suitable for use in microfiltration systems.

[0004] Based on the above patent, a hole is opened on another clamp as the reflux end to make the solution flow rate in the channel inside the membrane package the same, thereby avoiding blockage of the farthest membrane package, improving the efficiency of membrane package use, and ensuring the controllability of continuous production. It has many application scenarios and can be suitable for use in microfiltration systems. However, when the membrane package is removed from between the two splints, it is difficult to separate the membrane package and the splint due to the clamping reasons, resulting in the membrane package sticking to the splint. In this regard, in response to this technical problem, the present application proposes a medical operating room cleanliness detection device. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a convenient ultrafiltration clamp. When the clamping plate one and the clamping plate two are separated, the membrane package on the clamping plate two is pushed out from the outer wall of the clamping plate two through the cooperation between the spring one and the baffle plate, so as to avoid the membrane package being squeezed and causing adhesion between the membrane package and the clamping plate, which makes it difficult to separate. At the same time, the cooperation between the positioning head and the sealing gasket can realize the improvement of the sealing when the clamping plate one and the clamping plate two clamp the membrane package.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable ultrafiltration clamp, comprising a splint 1 and a splint 2, wherein the right side of the splint 1 is fixedly connected with two positioning rods, the outer wall of the splint 2 is provided with two positioning holes, the positioning rods are arranged inside the positioning holes, the top sides of the splint 1 and the splint 2 are connected by a telescopic component, a membrane package is arranged between the splint 1 and the splint 2, the splint 2 is provided with two separation components, the adjacent sides of the splint 1 and the splint 2 are connected by a sealing component, the top left side of the splint 1 is fixedly connected with an inlet end, the middle left side of the splint 1 is fixedly connected with a reflux end, and the bottom left side of the splint 1 is fixedly connected with a permeate end.

[0007] Through the above technical scheme, when the splint one and the splint two are separated, the separation component can be used to push open the membrane package on the splint two, so as to avoid the membrane package sticking to the splint two and causing difficulties in the subsequent separation of the membrane package. At the same time, the telescopic component can adjust the length as required, which is convenient for the staff to hold and improves portability. At the same time, the sealing component can be used to improve the sealing when the splint one and the splint two clamp the membrane package.

[0008] Furthermore, the separation component includes a baffle located on the left side of the second clamping plate, and two sliding rods are fixedly connected to the right side of the baffle. The right sides of the two sliding rods are fixedly connected to limit plates, and the outer walls of the two sliding rods are both sleeved with springs.

[0009] Through the above technical solution, under the action of spring one, the baffle drives the two slide bars to slide to push open the membrane package on the clamping plate two, so as to facilitate the separation between the membrane package and the clamping plate two.

[0010] Furthermore, a fixing plate is fixedly connected to the right side of the second clamping plate, the sliding rod passes through the outer wall of the fixing plate, and the limiting plate is arranged on the right side of the fixing plate.

[0011] Through the above technical solution, when the slide bar slides on the second clamping plate, the cooperation between the fixing plate and the limiting plate can prevent the baffle plate and the second clamping plate from falling off.

[0012] Furthermore, one end of the spring 1 is fixedly connected to the right side of the baffle, and the other end of the spring 1 is fixedly connected to the right side of the clamping plate 2.

[0013] Through the above technical solution, the spring 1 cooperates with the baffle plate and the clamp plate 2 to drive the file 2 to move and push the membrane package open.

[0014] Furthermore, the sealing assembly includes two sealing gaskets respectively located on one side of the first and second splints, a plurality of positioning heads are arranged inside the left sealing gasket, and the outer walls of the plurality of positioning heads are all sleeved with springs 2, and a plurality of positioning grooves are opened on the left side of the right sealing gasket.

[0015] Through the above technical solution, the cooperation between the positioning head and the positioning groove and the cooperation between the sealing gaskets can improve the sealing when the clamping plate 1 and the clamping plate 2 clamp the film package, which is convenient for improving work efficiency.

[0016] Furthermore, the telescopic assembly includes an L-shaped plate located on the top side of the first clamping plate and an insert block located on the top side of the second clamping plate, and the right end of the L-shaped plate passes through the top end of the insert block.

[0017] Through the above technical solution, the length of the L-shaped plate can be adjusted by sliding between the L-shaped plate and the insert block, which makes it convenient for workers to carry the clamp by holding the L-shaped plate.

[0018] Furthermore, the right end of the L-shaped plate is connected to a lock plate through a damping shaft, and the lock plate is arranged on the right side of the plug block.

[0019] With the above technical solution, the L-shaped plate and the inserting plate are prevented from being separated by the cooperation between the locking plate and the inserting block.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, when the clamping plate 2 and the clamping plate 1 are separated, the pressure between the pressure plate 2 and the membrane package is reduced, and the membrane package on the clamping plate 2 is pushed away from the outer wall of the pressure plate 2 by the cooperation between the spring 1 and the baffle plate, so as to avoid the membrane package sticking to the pressure plate 2 and making it difficult to separate the membrane package.

[0022] 2. In the utility model, by arranging the spring 2 and the sealing gasket between the positioning head and the positioning groove, the two sealing gaskets can be pressed together, and the sealing between the two clamping plates when clamping the membrane package can be improved, so as to improve the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a convenient ultrafiltration fixture proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the positioning rod structure of a convenient ultrafiltration fixture proposed by the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the second clamp of a convenient ultrafiltration clamp proposed by the utility model;

[0026] Figure 4 The utility model is a schematic diagram of a structure of a clamping plate of a convenient ultrafiltration clamp.

[0027] Legend:

[0028] 1. Clamp one; 2. Clamp two; 3. Positioning rod; 4. L-shaped plate; 5. Locking plate; 6. Insert block; 7. Fixing plate; 8. Limiting plate; 9. Membrane package; 10. Sealing gasket; 11. Positioning head; 12. Baffle; 13. Reflux end; 14. Permeate end; 15. Inlet end; 16. Sliding rod; 17. Spring one; 18. Spring two. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-4 , the utility model provides an embodiment: a portable ultrafiltration clamp, including a clamping plate 1 and a clamping plate 2, two positioning rods 3 are fixedly connected to the right side of the clamping plate 1, two positioning holes are provided on the outer wall of the clamping plate 2, the positioning rod 3 is arranged inside the positioning hole, the top sides of the clamping plate 1 and the clamping plate 2 are connected by an L-shaped plate 4, a membrane package 9 is arranged between the clamping plate 1 and the clamping plate 2, two baffles 12 are arranged on the clamping plate 2, the clamping plate 1 and the clamping plate 2 are connected on one side by a sealing gasket 10, the top left side of the clamping plate 1 is fixedly connected with an inlet end 15, the middle left side of the clamping plate 1 is fixedly connected with a reflux end 13, the bottom left side of the clamping plate 1 is fixedly connected with a permeation end 14, the L-shaped plate 4 located on the top side of the clamping plate 1 and the plug-in block 6 located on the top side of the clamping plate 2, the right end of the L-shaped plate 4 passes through the top of the plug-in block 6, the right end of the L-shaped plate 4 is connected with a locking plate 5 through a damping shaft, and the locking plate 5 is arranged on the right side of the plug-in block 6;

[0031] Specifically, the sample solution flows through the membrane package 9 through the inlet end 15 and flows out from the reflux end 13, and the permeate flows through the membrane package 9 and flows out from the permeate end 14. At the same time, under the action of the spring 17, the baffle 12 drives the two sliding rods 16 to slide and push the membrane package 9 on the clamp 2, which is convenient for realizing the separation between the membrane package 9 and the clamp 2, and avoiding the membrane package 9 from sticking to the clamp 2, which makes it difficult to separate the membrane package 9 later. At the same time, the cooperation between the limit plate 8 and the fixed plate 7 prevents the baffle 12 from falling from the clamp 2. At the same time, the cooperation between the positioning head 11 and the positioning groove and the spring 2 18 can realize the compression between the two sealing pads 10, which is convenient for improving the sealing of the membrane package 9 clamped by the clamp 1 and the clamp 2, and is convenient for improving its working efficiency. At the same time, the sliding of the L-shaped plate 4 inside the plug block 6 and the locking plate 5 are convenient for adjusting the length of the L-shaped plate 4 as needed, which is convenient for the staff to hold by hand and improves portability.

[0032] The baffle plate 12 is located on the left side of the second clamp plate 2, and two slide bars 16 are fixedly connected to the right side of the baffle plate 12. The right sides of the two slide bars 16 are fixedly connected to the limit plate 8. The outer walls of the two slide bars 16 are sleeved with springs 17. The right side of the second clamp plate 2 is fixedly connected to the fixed plate 7. The slide bar 16 runs through the outer wall of the fixed plate 7. The limit plate 8 is arranged on the right side of the fixed plate 7. One end of the spring 17 is fixedly connected to the right side of the baffle plate 12, and the other end of the spring 17 is fixedly connected to the right side of the second clamp plate 2. Two sealing gaskets 10 are respectively located on the side close to the first clamp plate 1 and the second clamp plate 2. A plurality of positioning heads 11 are arranged inside the left sealing gasket 10, and the outer walls of the plurality of positioning heads 11 are sleeved with springs 2 18. A plurality of positioning grooves are provided on the left side of the right sealing gasket 10;

[0033] Specifically, when the splint 1 and the splint 2 are separated, the baffle 12 can drive the two sliding rods 16 to slide under the action of the spring 17 to push open the membrane package 9 on the splint 2, so as to facilitate the separation of the membrane package 9 and the splint 2, and avoid the membrane package 9 from sticking to the splint 2, which will cause difficulties in the subsequent separation of the membrane package 9. At the same time, the cooperation between the limit plate 8 and the fixed plate 7 can prevent the baffle 12 from falling off the splint 2. At the same time, the cooperation between the positioning head 11 and the positioning groove and the spring 2 18 can achieve the compression between the two sealing gaskets 10, so as to improve the sealing performance of the membrane package 9 clamped by the splint 1 and the splint 2.

[0034] When the membrane package 9 is separated from the first and second plates 12, the baffle 12 can drive the two slide bars 16 to slide and push the membrane package 9 on the second plate 2 open, so as to facilitate the separation of the membrane package 9 and the second plate 2, and avoid the membrane package 9 from sticking to the second plate 2, which will cause difficulties in the subsequent separation of the membrane package 9. At the same time, the cooperation between the limit plate 8 and the fixed plate 7 can prevent the baffle 12 from falling off the second plate 2. At the same time, the cooperation between the positioning head 11 and the positioning groove and the spring 2 18 can realize the compression between the two sealing pads 10, so as to improve the sealing performance of the membrane package 9 clamped by the first and second plates 12. At the same time, the sliding of the L-shaped plate 4 inside the plug block 6 and the locking plate 5 can facilitate the adjustment of the length of the L-shaped plate 4 as needed, which is convenient for the staff to hold and improves portability.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable ultrafiltration fixture, comprising a clamping plate 1 (1) and a clamping plate 2 (2), characterized in that: Two positioning rods (3) are fixedly connected to the right side of the clamp plate 1 (1), and two positioning holes are provided on the outer wall of the clamp plate 2 (2). The positioning rods (3) are arranged inside the positioning holes. The top sides of the clamp plate 1 (1) and the clamp plate 2 (2) are connected by a telescopic component. A membrane package (9) is arranged between the clamp plate 1 (1) and the clamp plate 2 (2). The clamp plate 2 (2) is provided with two separation components. The adjacent sides of the clamp plate 1 (1) and the clamp plate 2 (2) are connected by a sealing component. The top left side of the clamp plate 1 (1) is fixedly connected to an inlet end (15), the middle left side of the clamp plate 1 (1) is fixedly connected to a reflux end (13), and the bottom left side of the clamp plate 1 (1) is fixedly connected to a permeation end (14).

2. A portable ultrafiltration fixture according to claim 1, characterized in that: The separation assembly comprises a baffle (12) located on the left side of the second clamping plate (2); two sliding rods (16) are fixedly connected to the right side of the baffle (12); the right sides of the two sliding rods (16) are fixedly connected to a limit plate (8); and the outer walls of the two sliding rods (16) are sleeved with a spring (17).

3. A portable ultrafiltration fixture according to claim 2, characterized in that: The right side of the second clamping plate (2) is fixedly connected to a fixing plate (7), the sliding rod (16) passes through the outer wall of the fixing plate (7), and the limiting plate (8) is arranged on the right side of the fixing plate (7).

4. A portable ultrafiltration fixture according to claim 2, characterized in that: One end of the spring one (17) is fixedly connected to the right side of the baffle (12), and the other end of the spring one (17) is fixedly connected to the right side of the clamping plate two (2).

5. The portable ultrafiltration fixture according to claim 1, characterized in that: The sealing assembly comprises two sealing pads (10) respectively located on the adjacent sides of the first clamping plate (1) and the second clamping plate (2); a plurality of positioning heads (11) are arranged inside the left sealing pad (10); the outer walls of the plurality of positioning heads (11) are sleeved with springs 2 (18); and a plurality of positioning grooves are opened on the left side of the right sealing pad (10).

6. The portable ultrafiltration fixture according to claim 1, characterized in that: The telescopic assembly comprises an L-shaped plate (4) located on the top side of the first clamping plate (1) and an insert block (6) located on the top side of the second clamping plate (2), and the right end of the L-shaped plate (4) passes through the top end of the insert block (6).

7. A portable ultrafiltration fixture according to claim 6, characterized in that: The right end of the L-shaped plate (4) is connected to a locking plate (5) via a damping shaft, and the locking plate (5) is arranged on the right side of the insert block (6).