CN217829074U

CN217829074U - Vacuum filter

Info

Publication number: CN217829074U
Application number: CN202221091852.2U
Authority: CN
Inventors: 陈敏桂; 王奎
Original assignee: Shanghai Rundu Biotechnology Co ltd
Current assignee: Shanghai Rundu Biotechnology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-11-18
Anticipated expiration: 2032-05-09

Abstract

The application discloses a vacuum filter, which comprises a collecting bottle, a connecting cylinder and a transparent funnel, wherein a reinforcing ring is arranged at the top of the collecting bottle through threads, the connecting cylinder is arranged at the top of the reinforcing ring, and a connecting ring is fixedly connected to the top of the connecting cylinder; the vacuum tube is fixedly connected to the right side of the connecting ring, the transparent funnel is clamped at the top of the limiting ring, and a funnel cover is arranged at the top of the transparent funnel. The clamping hole and the second limiting block can limit and reinforce the connection between the limiting ring and the connecting ring, the transparent funnel is assisted to be installed and used on the top of the limiting ring, and the extension pipe can extend the length of the vacuum pipe, so that the connecting ring can be conveniently used; this application is rational in infrastructure, and the connection of connecting cylinder and receiving flask can be assisted to the stationary ladle, to the connecting cylinder bottom sprag, first stopper can carry on spacingly to the installation of stationary ladle, and the change can be dismantled to the stationary ladle, and the receiving flask is inside can collect the sample after filtering.

Description

Vacuum filter

Technical Field

The present application relates to the field of filters, in particular vacuum filters.

Background

The vacuum filter is composed of a sand core device, a vacuum tube and an oil-free vacuum pump, wherein the sand core device is mainly composed of a funnel, a connector and a receiving bottle, vacuum is provided through the vacuum pump, pressure difference is generated between the funnel and the receiving bottle, a solvent in the funnel enters the receiving bottle through the sand core, filtering is achieved, the purposes of removing impurities in the solvent, purifying and sterilizing are achieved, and in chromatographic analysis, the solvent filtered by the vacuum filter is removed through the vacuum filter, and data accuracy of an analysis system can be obviously improved due to the vacuum removing effect.

When the existing filter is used, the funnel is not easy to be placed on the filter in a limiting mode, the filter effect of the filter on a sample is affected, the filter is not beneficial to the use of the whole device, a detachable supporting structure is not arranged on the filter, and the filtered sample is not easy to collect.

Disclosure of Invention

The vacuum filter is provided in this embodiment and is arranged in solving among the prior art filter when using, and the funnel is difficult for spacing placing on the filter, influences the filter effect of filter to the sample, is unfavorable for the use of whole device, and lacks detachable bearing structure on the filter, the difficult problem of collecting of sample after the filtration.

According to one aspect of the application, a vacuum filter is provided, and comprises a collecting bottle, a connecting cylinder and a transparent funnel, wherein a reinforcing ring is installed at the top of the collecting bottle through threads, the top of the reinforcing ring is provided with the connecting cylinder, and the top of the connecting cylinder is fixedly connected with a connecting ring; the vacuum tube is fixedly connected to the right side of the connecting ring, the transparent funnel is clamped at the top of the limiting ring, and a funnel cover is arranged at the top of the transparent funnel.

Furthermore, scale marks are arranged on the side wall of the transparent funnel, a through hole is formed in the bottom of the transparent funnel, a sand core is arranged at the lower end of the through hole, and the diameter of the limiting ring is larger than that of the connecting ring.

Furthermore, the bottom of the limiting ring is provided with four clamping holes, the clamping holes are distributed at intervals of 90 degrees, and the clamping holes are connected with the second limiting block in a clamping manner.

Furthermore, the second limiting block is fixedly connected to the transparent funnel, the diameter of the connecting ring is smaller than that of the connecting cylinder, an extension pipe is arranged on the right side of the connecting ring, and the extension pipe is sleeved at the tail end of the vacuum pipe.

Furthermore, the bottom of the reinforcing ring is fixedly connected with a first limiting block, the reinforcing ring is connected with the top of the collecting bottle through threads, and the first limiting block is overlapped on the side wall of the collecting bottle.

Through the above-mentioned embodiment of this application, the receiving flask has been adopted, connecting cylinder and transparent funnel, the filter has been solved when using, the funnel is difficult for spacing placing on the filter, influence the filter effect of filter to the sample, be unfavorable for the use of whole device, and lack detachable bearing structure on the filter, the problem of the sample after the filtration is difficult for collecting, it can be spacing placing on the filter to have gained the funnel, the sample of being convenient for filters in the filter, have detachable bearing structure on the filter, the sample after the filtration can concentrate the effect of collecting.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of an overall structure of an embodiment of the present application;

fig. 3 is a pictorial photograph of a connector barrel according to an embodiment of the present application.

In the figure: 1. a membrane; 2. a limiting ring; 3. a connecting ring; 4. collecting a bottle; 5. a connecting cylinder; 6. reinforcing rings; 7. a first stopper; 8. an extension pipe; 9. a vacuum tube; 10. a transparent funnel; 11. a clamping hole; 12. a second limiting block; 13. a sand core.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, the vacuum filter includes a collection bottle 4, a connection cylinder 5 and a transparent funnel 10, wherein a reinforcing ring 6 is installed at the top of the collection bottle 4 through a screw thread, the connection cylinder 5 is arranged at the top of the reinforcing ring 6, and the connection ring 3 is fixedly connected to the top of the connection cylinder 5, so that the connection between the connection ring 3 and the connection cylinder 5 is facilitated; a vacuum tube 9 is fixedly connected to the right side of the connecting ring 3, the transparent funnel 10 is clamped on the top of the limiting ring 2, and a funnel cover 1 is arranged on the top of the transparent funnel 10, so that the diaphragm 1 and the transparent funnel 10 can be conveniently connected.

The side wall of the transparent funnel 10 is provided with scale marks, the bottom of the transparent funnel 10 is provided with a through hole, the lower end of the through hole is provided with a sand core 13, and the diameter of the limiting ring 2 is larger than that of the connecting ring 3, so that the bottom of the transparent funnel 10 can be conveniently installed;

the bottom of the limiting ring 2 is provided with four clamping holes 11, the clamping holes 11 are distributed at intervals of 90 degrees, and the clamping holes 11 are connected with the second limiting block 12 in a clamping manner, so that the limiting ring 2 is conveniently connected with the transparent funnel 10;

the second limiting block 12 is fixedly connected to the transparent funnel 10, the diameter of the connecting ring 3 is smaller than that of the connecting cylinder 5, the extension pipe 8 is arranged on the right side of the connecting ring 3, and the extension pipe 8 is sleeved at the tail end of the vacuum pipe 9, so that convenience is brought to the convenience and the convenience in external connection of a vacuum pump are achieved;

the bottom of the reinforcing ring 6 is fixedly connected with a first limiting block 7, the reinforcing ring 6 is in threaded connection with the top of the collecting bottle 4, the first limiting block 7 is in lap joint with the side wall of the collecting bottle 4, the collecting bottle 4 is convenient to install, and a detachable supporting structure is formed.

The vacuum filter of the utility model has been developed as shown in fig. 3, and has been tried out in company; it should be noted that the photographs are merely supplementary contents for easy understanding, and those skilled in the art can realize the present application even without a real photograph in consideration of the knowledge of those skilled in the art.

This application is when using, at first accomplish the equipment of whole device, dock 4 collecting bottle in reinforcing ring 6 bottom, it makes 4 upper ends of collecting bottle and 6 threaded connection of reinforcing ring to rotate collecting bottle 4, reinforcing ring 6 rotates the back, dog overlap joint on first stopper 7 and the 4 lateral walls of collecting bottle is spacing, place psammitolite 13 on spacing collar 2 at go-between 3 top, transparent funnel 10 is detained and is established on spacing collar 2, second stopper 12 embedding block hole 11 of transparent funnel 10 bottom, place the sample that needs the filtration inside transparent funnel 10, vacuum tube 9 is through the external vacuum pump of extension pipe 8, transparent funnel 10 is the polyethylene material, vacuum filter utilizes the vacuum pump to provide the pressure differential, can be used to the mass filtration of tissue culture liquid and other laboratory fluid solution, the sample treatment can reach several liters, the aseptic collection and the saving of carrying on in the sample after filtering can directly get into collecting bottle 4.

The operation of the application is simple, the connection of the transparent funnel 10 can be limited and reinforced by the clamping hole 11 and the second limiting block 12, the transparent funnel 10 is assisted to be installed and used on the top of the limiting ring 2, the transparent funnel 10 can be conveniently placed on the filter in a limiting mode, and the extension pipe 8 can extend the length of the vacuum pipe 9 and is convenient for being externally connected with a vacuum pump;

this application is rational in infrastructure, and the connection of connecting cylinder 5 and receiving flask 4 can be assisted to reinforcing ring 6, to 5 bottom sprag of connecting cylinder, first stopper 7 can carry out spacing support to the installation of receiving flask 4, forms detachable bearing structure, and the inside sample after filtering that can collect of receiving flask 4.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A vacuum filter, characterized by: the device comprises a collecting bottle (4), a connecting cylinder (5) and a transparent funnel (10), wherein the top of the collecting bottle (4) is provided with a reinforcing ring (6) through threads, the top of the reinforcing ring (6) is provided with the connecting cylinder (5), and the top of the connecting cylinder (5) is fixedly connected with a connecting ring (3); the vacuum tube (9) is fixedly connected to the right side of the connecting ring (3), the transparent funnel (10) is clamped at the top of the limiting ring (2), and the funnel cover (1) is arranged at the top of the transparent funnel (10).

2. The vacuum filter of claim 1, wherein: the transparent funnel (10) is characterized in that scale marks are arranged on the side wall of the transparent funnel (10), a through hole is formed in the bottom of the transparent funnel (10), a sand core (13) is arranged at the lower end of the through hole, and the diameter of the limiting ring (2) is larger than that of the connecting ring (3).

3. The vacuum filter of claim 1, wherein: the bottom of the limiting ring (2) is provided with four clamping holes (11), the clamping holes (11) are distributed at intervals of 90 degrees, and the clamping holes (11) are connected with the second limiting block (12) in a clamping manner.

4. The vacuum filter of claim 3, wherein: the second limiting block (12) is fixedly connected to the transparent funnel (10), the diameter of the connecting ring (3) is smaller than that of the connecting cylinder (5), the right side of the connecting ring (3) is provided with an extension pipe (8), and the extension pipe (8) is sleeved at the tail end of the vacuum pipe (9).

5. The vacuum filter of claim 1, wherein: the bottom of the reinforcing ring (6) is fixedly connected with a first limiting block (7), the reinforcing ring (6) is connected with the top of the collecting bottle (4) through threads, and the first limiting block (7) is overlapped on the side wall of the collecting bottle (4).