CN212051387U

CN212051387U - Cell separation filter

Info

Publication number: CN212051387U
Application number: CN201922498128.6U
Authority: CN
Inventors: 高庭生
Original assignee: Qingdao Zhongdehua Large Cell Technology Co Ltd
Current assignee: Qingdao Zhongdehua Large Cell Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-01
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a cell separation filter, which comprises a barrel body, a barrel cover, a spring, a screw rod, a disc, a handle, a ball bush, a large bearing, a limit step, a clamping ring, a small bearing, a sealing upper cover, a pawl, a rotating shaft, a filter barrel, ratchet teeth, a ratchet wheel, a receiving barrel and a folded edge; the utility model realizes the function of high-efficiency filtration under the action of centrifugal force through the structural design of the handle, the big bearing, the lead screw, the spring, the ball bush, the pawl, the rotating shaft, the ratchet teeth, the ratchet wheel, the filter barrel and the receiving barrel, solves the problem that the traditional filtration has low worry speed under the action of gravity, and improves the filtration efficiency; through the structural design of the filter barrel, the receiving barrel and the barrel body, the function of sealing and filtering is realized, the problem that the traditional filtering is in direct contact with the outside air to pollute filtered substances is solved, and the possibility of pollution in the filtering process is reduced.

Description

Cell separation filter

Technical Field

The utility model relates to a filter specifically is a cell separation filter, belongs to filtration equipment technical field.

Background

The filter is a device for separating substances, and is divided into a plurality of types, wherein one type is a cell filter for filtering and separating required cells; the principle of the filtration is that substances larger than the pore diameter are blocked by using a porous medium, and substances smaller than the pore diameter smoothly pass through the porous medium to achieve the effect of separation and filtration.

The retrieval publication No. CN 208023006U discloses a cell filter, which comprises a cavity for containing cells and a bottom filter screen arranged at the bottom of the cavity and used for filtering cell sap, wherein when the cell sap needs to be filtered, the cell sap is firstly contained in a bottle body, and then the cell sap is filtered through the bottom filter screen, so that large particles and substances with larger cell volume are trapped on the bottom filter screen, and small particles and substances with smaller cell volume flow into a centrifugal tube; the technical defects of the scheme are that firstly, the filtering area is small, the natural filtering speed is low under the action of gravity, and the filtering efficiency is low; secondly, the filter is in direct contact with the air, and the cells after filtration are easily influenced by the air, so that the survival rate is influenced. Accordingly, a cell separation filter has been proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide a cell separation filter for solving the above problems.

The utility model realizes the purpose through the following technical proposal, a cell separation filter, which comprises a barrel body, a barrel cover, a spring, a screw rod, a disc, a handle, a ball bush and a filter unit; the upper end of the barrel body is fixedly connected with a barrel cover; a ball bushing is fixedly connected to the middle of the barrel cover; the ball bush is in threaded sleeve connection with a screw rod; the upper end of the screw rod is fixedly connected with a large bearing; a limiting step is arranged below the fixedly connected position of the upper end of the screw rod and the large bearing; the large bearing is fixedly connected inside the disc; the upper surface of the disc is fixedly connected with a handle; a spring is fixedly connected between the limiting step and the ball bushing; the filtering unit comprises a small bearing, a sealing upper cover, a pawl, a rotating shaft, a filtering barrel and a receiving barrel.

Preferably, the small bearing is fixedly connected to the lower end of the screw rod; a rotating shaft is fixedly connected in the small bearing; a ratchet wheel is fixedly connected below the small bearing; ratchet teeth are formed in the ratchet wheel; a pawl is hinged to the upper end of the rotating shaft; the pawl is buckled with the ratchet teeth clockwise; the lower end of the rotating shaft is fixedly connected with a sealing upper cover; the sealing upper cover is fixedly connected with the receiving barrel; a filter barrel is fixedly connected inside the receiving barrel.

Preferably, the barrel body is fixedly connected with the barrel cover through a clamping ring; the clamping ring is in an annular strip shape.

Preferably, the sealing upper cover is in threaded connection with the receiving barrel.

Preferably, the ratchet teeth arranged in the ratchet wheel are arranged in the clockwise direction.

Preferably, the filter barrel is fixedly connected between the sealing upper cover and the receiving barrel through the folded edge.

The utility model has the advantages that:

1. the utility model realizes the function of high-efficiency filtration under the action of centrifugal force through the structural design of the handle, the big bearing, the lead screw, the spring, the ball bush, the pawl, the rotating shaft, the ratchet teeth, the ratchet wheel, the filter barrel and the receiving barrel, solves the problem that the traditional filtration has low worry speed under the action of gravity, and improves the filtration efficiency;

2. the utility model discloses a structural design of filter vat, receiving bucket and ladle body realizes sealed filterable function, has solved traditional filtration and the problem that the foreign air direct contact probably pollutes the filter medium, has reduced contaminated possibility in the filtering process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a front view of the present invention showing a half-section structure;

fig. 3 is a schematic view of the top-view cross-sectional structure of the present invention.

In the figure: 1. the barrel comprises a barrel body, 2, a barrel cover, 3, a spring, 4, a screw rod, 5, a disc, 6, a handle, 7, a ball bushing, 8, a large bearing, 9, a limiting step, 10, a clamping ring, 11, a small bearing, 12, a sealing upper cover, 13, a pawl, 14, a rotating shaft, 15, a filter barrel, 16, ratchet teeth, 17, a ratchet, 18, a receiving barrel, 19 and a folded edge.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a cell separation filter includes a barrel 1, a barrel cover 2, a spring 3, a screw 4, a disc 5, a handle 6, a ball bushing 7 and a filter unit; the upper end of the barrel body 1 is fixedly connected with a barrel cover 2; a ball bush 7 is fixedly connected to the middle part of the barrel cover 2; the ball bush 7 is in threaded sleeve connection with the screw rod 4; the upper end of the screw rod 4 is fixedly connected with a large bearing 8; a limiting step 9 is arranged below the fixedly connected position of the upper end of the screw rod 4 and the large bearing 8; the large bearing 8 is fixedly connected inside the disc 5; the upper surface of the disc 5 is fixedly connected with a handle 6; a spring 3 is fixedly connected between the limiting step 9 and the ball bushing 7; the filter unit comprises a small bearing 11, a sealing upper cover 12, a pawl 13, a rotating shaft 14, a filter barrel 15 and a receiving barrel 18.

The small bearing 11 is fixedly connected to the lower end of the screw rod 4; a rotating shaft 14 is fixedly connected in the small bearing 11; a ratchet wheel 17 is fixedly connected below the small bearing 11; ratchet teeth 16 are arranged in the ratchet wheel 17; a pawl 13 is hinged to the upper end of the rotating shaft 14; the pawl 13 is buckled with the ratchet teeth 16 clockwise; the lower end of the rotating shaft 14 is fixedly connected with a sealing upper cover 12; the sealing upper cover 12 is fixedly connected with the receiving barrel 18; the filter barrel 15 is fixedly connected inside the receiving barrel 18, efficient, quick and sealed filtration is realized through the filter unit, and the filter unit is suitable for higher-standard filtration requirements; the barrel body 1 is fixedly connected with the barrel cover 2 through a clamping ring 10; the clamping ring 10 is in an annular strip shape, so that the filtering process is more stable, the barrel body 1 provides higher stability, and the receiving barrel 18 has a safe environment in the rotating process; the sealing upper cover 12 is in threaded connection with the receiving barrel 18, and through the design, the filter is simple and convenient to put in and take out every time, and the sealing performance is provided; ratchet teeth 16 arranged in the ratchet wheel 17 are arranged clockwise, and through the design, the filter barrel 15 moves towards one direction in the up-and-down movement process of the screw rod 4, so that the filtering process is more stable, and the filtering effect is better; the filter barrel 15 is fixedly connected between the sealing upper cover 12 and the receiving barrel 18 through the folded edge 19, and through the design, the filter barrel 15 is in a fixed state in the receiving barrel 18, and the filtering effect is not influenced.

The utility model discloses when using, through handle 6, bearing 8, lead screw 4 and ball bush 7, can realize holding handle 6 up-and-down motion, under bearing 8 rotates and ball bush 7's screw engagement effect, make lead screw 4 rotate along the axle center, pawl 13 blocks ratchet tooth 16 and thus drive pivot 14 and rotate, then filter vat 15 and receiving bucket 18 are driven to rotate, accomplish high-efficient filtration under the effect of centrifugal force, through pawl 13 and ratchet tooth 16 design, make filter vat 15 and receiving bucket 18 only move towards a direction, thereby accomplish stable filter effect and high-efficient filtration; the filtration of cells with different sizes is completed by replacing the filter barrels 15 with different mesh numbers; through the cooperation of the receiving barrel 18 and the sealing upper cover 12, the filtering process is kept in a sealing state, and the possibility of pollution is greatly reduced; through the effect of spring 3 for the process atress that rises reduces greatly, makes the filtration process more laborsaving.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A cell separation filter, characterized by: comprises a barrel body (1), a barrel cover (2), a spring (3), a screw rod (4), a disc (5), a handle (6), a ball bush (7) and a filtering unit; the upper end of the barrel body (1) is fixedly connected with a barrel cover (2); a ball bushing (7) is fixedly connected to the middle part of the barrel cover (2); the ball bush (7) is sleeved with a screw rod (4) in a threaded manner; the upper end of the screw rod (4) is fixedly connected with a large bearing (8); a limiting step (9) is arranged below the fixedly connected position of the upper end of the screw rod (4) and the large bearing (8); the large bearing (8) is fixedly connected inside the disc (5); the upper surface of the disc (5) is fixedly connected with a handle (6); a spring (3) is fixedly connected between the limiting step (9) and the ball bushing (7); the filtering unit comprises a small bearing (11), a sealing upper cover (12), a pawl (13), a rotating shaft (14), a filtering barrel (15) and a receiving barrel (18).

2. A cell separation filter according to claim 1, wherein: the small bearing (11) is fixedly connected to the lower end of the screw rod (4); a rotating shaft (14) is fixedly connected in the small bearing (11); a ratchet wheel (17) is fixedly connected below the small bearing (11); ratchet teeth (16) are arranged in the ratchet wheel (17); a pawl (13) is hinged to the upper end of the rotating shaft (14); the pawl (13) is buckled with the ratchet teeth (16) clockwise; the lower end of the rotating shaft (14) is fixedly connected with a sealing upper cover (12); the sealing upper cover (12) is fixedly connected with the receiving barrel (18); the interior of the receiving barrel (18) is fixedly connected with a filtering barrel (15).

3. A cell separation filter according to claim 1, wherein: the barrel body (1) is fixedly connected with the barrel cover (2) through a clamping ring (10); the clamping ring (10) is in an annular strip shape.

4. A cell separation filter according to claim 1, wherein: the sealing upper cover (12) is in threaded connection with the receiving barrel (18).

5. A cell separation filter according to claim 2, wherein: ratchet teeth (16) arranged in the ratchet wheel (17) are arranged clockwise.

6. A cell separation filter according to claim 1, wherein: the filter barrel (15) is fixedly connected between the sealing upper cover (12) and the receiving barrel (18) through a folded edge (19).