Stirring assembly of ultrafiltration cup

Abstract

The stirring assembly comprises a cup cover and a magnetic cup base which are located at the upper end and the lower end of a cup body, the lower portion of the cup cover is fixedly connected with a fixing rod with an inner cavity provided with an axial sliding groove, and the axial sliding groove is in sliding connection with a lifting rod with the outer wall provided with a plurality of fastening holes in the axial direction. The axial sliding groove is provided with a plurality of adjusting holes which penetrate through the outer wall of the fixing rod and are matched with the fastening holes, a fixing ring is fixedly arranged at the lower end of the lifting rod, and the lower portion of the fixing ring is rotationally connected with a magnetic stirring blade matched with the magnetic cup base. According to the utility model, the distance between the magnetic stirring blade and the ultrafiltration membrane in the cup body can be effectively adjusted according to the volume of a solution, so that the ultrafiltration membrane is prevented from being scratched by possible sedimentation of the magnetic stirring blade after nitrogen is introduced, and the effective stirring of the magnetic stirring blade on the solution and the normal use of the ultrafiltration cup are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultrafiltration cup technical field especially, relates to a kind of stirring subassembly of ultrafiltration cup. BACKGROUND

[0002] Ultrafiltration is a kind of membrane separation technology that can purify and separate solution, by using ultrafiltration membrane of different aperture, it can be used for separating different molecular weight size substances, under the action of pressure difference on both sides of ultrafiltration membrane, solvent, inorganic salt and other small molecules are permeated through membrane, while water, suspended matter, colloid, protein, microorganism and the like can be intercepted, so as to achieve the purposes of purification, separation and concentration.Compared with traditional separation method, ultrafiltration separation only uses pressure as the power of membrane separation, and the ultrafiltration process is carried out at normal temperature, no phase change occurs in the ultrafiltration process, no heating is needed, energy consumption is low, no chemical reagent needs to be added, no pollution, it is an energy-saving and environment-friendly separation technology.And the ultrafiltration process is mild and no component is destroyed, so it is particularly suitable for the separation, concentration and purification of heat-sensitive substances, such as protein and enzyme, the separation efficiency of ultrafiltration technology is high, and it is very effective for the recovery of trace components in dilute solution and the concentration of low-concentration solution.

[0003] The existing ultrafiltration cup is generally divided into upper and lower chambers by ultrafiltration membrane, solution and nitrogen enter from the upper chamber, part of small molecules permeate through the membrane into the lower chamber after ultrafiltration, and are discharged, while colloid, protein, microorganism and the like are intercepted in the upper chamber and collected.In the ultrafiltration process, stirring rod is inevitably used, which can stir the solution in the upper layer and effectively improve the separation efficiency of the solution.However, the volume of solution is different each time, the existing stirring rod is generally hung in the wall groove of the cup, and it is inconvenient to adjust the distance between the stirring rod lower end and the ultrafiltration membrane according to the volume of solution, and the stirring rod may scratch the ultrafiltration membrane and affect the normal use of the ultrafiltration cup. UTILITY MODEL CONTENTS

[0004] To solve the technical problems that the existing technology is inconvenient to adjust the distance between the stirring rod lower end and the ultrafiltration membrane according to the volume of solution, the stirring rod may scratch the ultrafiltration membrane and affect the normal use of the ultrafiltration cup, the utility model provides the following technical solutions.

[0005] The utility model relates to a kind of stirring subassembly of ultrafiltration cup, including the cup cover and magnetic cup seat in cup body upper and lower ends, the fixed rod of inner cavity being equipped with axial sliding slot is fixedly connected in the cup cover lower part, the lifting rod of outer wall being equipped with several fastening holes is slidably connected in the axial sliding slot, the axial sliding slot is equipped with several adjusting holes passing through the outer wall of the fixed rod and matched with the fastening hole, the fixed ring is fixedly arranged in the lifting rod lower end, and the magnetic stirring blade matched with the magnetic cup seat is rotatably connected in the fixed ring lower part.

[0006] As a further technical scheme, the inner wall of the axial sliding slot is axially provided with at least one limiting slot, and the outer wall of the lifting rod is provided with at least one limiting strip matched with the limiting slot.

[0007] As a further technical scheme, the fastening hole and the adjusting hole are connected through a fastener.

[0008] As a further technical scheme, the fastener is a bolt or a bolt.

[0009] As a further technical scheme, the outer peripheral wall of the magnetic stirring blade towards the direction of the ultrafiltration membrane is rounded.

[0010] As a further technical scheme, the fastening hole is a blind hole or a through hole.

[0011] The fixing rod of the utility model is fixed at the lower part of the cup cover, the lifting rod is slidingly connected to the lower part of the fixing rod, and the magnetic stirring blade is rotatably connected to the lower end of the lifting rod. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is the connection position schematic view of the stirring assembly of the ultrafiltration cup of the utility model;

[0013] Figure 2 is the structure schematic view of the stirring assembly of the ultrafiltration cup of the utility model;

[0014] Figure 3 is the fixing rod and lifting rod connection schematic view of the stirring assembly of the ultrafiltration cup of the utility model;

[0015] Figure 4 is the partial cutaway schematic view of the fixing rod and lifting rod of the stirring assembly of the ultrafiltration cup of the utility model;

[0016] In the drawing: 1 - cup body; 2 - magnetic cup seat; 3 - cup cover; 4 - fixing rod; 401 - axial sliding slot; 402 - limiting slot; 403 - adjusting hole; 5 - lifting rod; 501 - fixing ring; 502 - limiting strip; 503 - fastening hole; 6 - magnetic stirring blade; 7 - fastener. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0018] In the description of the utility model, it should be understood that the terms 'upper' and 'lower' are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms 'first','second', etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. In the description of the utility model, unless otherwise specified, the meaning of 'a plurality of' is two or more.

[0019] As Figure 1 shown, the utility model discloses a kind of stirring subassembly of ultrafiltration cup, including cup cover 3 and magnetic cup seat 2 at the upper and lower ends of cup body 1, magnetic cup seat 2 is equipped with magnetic stirring system, cup body 1, magnetic cup seat 2 and cup cover 3 use existing structure, so it is not described repeatedly to three and the structure such as ultrafiltration membrane in cup body 1.

[0020] As Figure 2 and Figure 3 shown, in a preferred embodiment, cup cover 3 lower part is fixedly connected with fixed rod 4, fixed rod 4 is hollow structure, and its inner cavity axial direction is equipped with axial sliding slot 401. Axial sliding slot 401 is slidably connected with lifting rod 5, the shape of lifting rod 5 is matched with the shape of axial sliding slot 401, so that lifting rod 5 can slide up and down relative to fixed rod 4 to lift. Lifting rod 5 lower end is fixedly equipped with fixed ring 501, and fixed ring 501 lower part is rotatably connected with magnetic stirring blade 6 matched with magnetic cup seat 2, the distance of magnetic stirring blade 6 and ultrafiltration membrane can be adjusted by adjusting the height of lifting rod 5, when ultrafiltration, fixed rod 4 and lifting rod 5 remain unmoved, magnetic cup seat 2 drives magnetic stirring blade 6 to rotate to stir solution.

[0021] As Figure 3 and Figure 4As shown, in a preferred embodiment, the lifting rod 5 is axially provided with a plurality of fastening holes 503, which can be blind holes or through holes, and the embodiment is not particularly limited. The axial sliding groove 401 is provided with a plurality of adjusting holes 403 passing through the outer wall of the fixed rod 4, and the adjusting holes 403 are matched with the shape of the fastening holes 503. The fastening holes 503 and the adjusting holes 403 are connected by the fastener 7, which is a bolt or a latch. When the fastener 7 is a bolt, the fastening hole 503 and the adjusting hole 403 are threaded holes. When the fastener 7 is a latch, the fastening hole 503 and the adjusting hole 403 can be ordinary through holes.

[0022] In a preferred embodiment, the inner wall of the axial sliding groove 401 is axially provided with at least one limiting groove 402, and in this embodiment, the limiting groove 402 is two. The outer wall of the lifting rod 5 is provided with two limiting strips 502 matched with the limiting groove 402, so as to ensure the stability of the lifting rod 5 after sliding and lifting relative to the fixed rod 4. When the magnetic cup seat 2 drives the magnetic stirring blade 6 to stir, the lifting rod 5 will not shake and rotate radially, improving the stability of the magnetic stirring blade 6. In order to prevent the magnetic stirring blade 6 from being accidentally injured to the ultrafiltration membrane, the outer peripheral wall of the magnetic stirring blade 6 facing the ultrafiltration membrane is rounded.

[0023] In use, the distance between the magnetic stirring blade 6 and the ultrafiltration membrane in the cup body 1 can be effectively adjusted according to the volume of the solution. By lifting the lifting rod 5, it is lifted or lowered to the appropriate position relative to the fixed rod 4, so that the magnetic stirring blade 6 at the lower end of the lifting rod 5 maintains an appropriate distance from the ultrafiltration membrane. Then the fastener 7 is installed in the fastening hole 503 and the adjusting hole 403, and the height adjustment of the magnetic stirring blade 6 is completed.

[0024] The preferred specific embodiments and examples of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments and examples. Within the knowledge range possessed by those skilled in the art, various changes or equivalent replacements can be made without departing from the concept of the utility model, therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the range protected by the utility model.

Claims

1. A stirring assembly of an ultrafiltration cup, comprising a cup cover (3) and a magnetic cup base (2) at the upper and lower ends of a cup body (1), characterized in that: The lower part of the cup cover (3) is fixedly connected with a fixed rod (4) with an inner cavity provided with an axial sliding groove (401), the axial sliding groove (401) is slidingly connected with a lifting rod (5) with an outer wall provided with a plurality of fastening holes (503) in the axial direction, the axial sliding groove (401) is provided with a plurality of adjusting holes (403) passing through the outer wall of the fixed rod (4) and matched with the fastening holes (503), the lower end of the lifting rod (5) is fixedly provided with a fixed ring (501), and the lower part of the fixed ring (501) is rotatably connected with a magnetic stirring blade (6) matched with the magnetic cup seat (2).

2. The mixing assembly for a hemodialysis unit as defined in claim 1, wherein: The inner wall of the axial sliding groove (401) is provided with at least one limiting groove (402) in the axial direction, and the outer wall of the lifting rod (5) is provided with at least one limiting strip (502) matched with the limiting groove (402).

3. The mixing assembly for a hemodialysis cup of claim 1, wherein: The fastening hole (503) and the adjusting hole (403) are connected by a fastener (7).

4. The mixing assembly for a hemodialysis unit as defined in claim 3, wherein: The fastener (7) is a bolt or a bolt.

5. The mixing assembly of an ultra-filtration cup according to claim 1, wherein: The outer peripheral wall of the magnetic stirring blade (6) in the direction of the ultrafiltration membrane is rounded.

6. The mixing assembly of an ultra-filtration cup according to claim 1, wherein: The fastening hole (503) is a blind hole or a through hole.

Images