CN108159776B

CN108159776B - Double-membrane dispensing filter

Info

Publication number: CN108159776B
Application number: CN201611116909.9A
Authority: CN
Inventors: 于世峰
Original assignee: Shaobo International Trade Dalian Co ltd
Current assignee: Shaobo International Trade Dalian Co ltd
Priority date: 2016-12-07
Filing date: 2016-12-07
Publication date: 2020-06-09
Anticipated expiration: 2036-12-07
Also published as: CN108159776A

Abstract

The invention provides a double-membrane dispensing filter, which comprises a filter body, two filter membranes and two filter upper covers, wherein the two filter membranes are arranged on the filter body; the filter body surrounds the side wall around the bottom plate to form two accommodating grooves; the surface of the bottom plate is divided into a first surface and a second surface; the bottom plate is provided with a first through hole and a second through hole, the first through hole is in the first surface, and the second through hole is in the second surface; a first inserting pipe and a second inserting pipe are arranged on the outer side of the side wall; the first inserting pipe is internally provided with a first inserting hole and communicated with the first through hole; a second plug hole is formed in the second plug pipe and communicated with the second through hole; the filter is covered with a cover plate, the cover plate is provided with a circle of plugboard, and the plugboard is provided with a diversion hole; the upper cover of the filter is covered in the containing groove, and the flow guide hole is communicated with the second through hole; the filtering membrane is positioned between the bottom plate and the upper cover of the filter, the first surface is completely covered by the filtering membrane, and the edge of the filtering membrane is pressed between the second surface and the inserting plate. The double-membrane filter is provided with the double membranes to form two filtering passages, so that the filtering efficiency is improved, and the dispensing time is reduced.

Description

Double-membrane dispensing filter

Technical Field

The invention relates to the technical field of medical appliances, in particular to a double-membrane dispensing filter.

Background

In the traditional dispensing and disposing method of the soft infusion bottle, a disposal person generally uses a disposable dispenser to suck a small amount of liquid in the soft infusion bottle and inject the liquid into a powder injection medicine bottle, the liquid is pumped back into the disposable dispenser after the medicine powder in the injection bottle is dissolved, and finally the liquid medicine is injected into the infusion bottle.

Therefore, a dispensing filter appears in the industry, and can directly communicate a powder injection medicine bottle with a soft infusion bottle and filter the powder injection medicine bottle. However, the existing dispensing filter adopts single-membrane filtration, so that the filtering speed is low and the dispensing process is long.

Disclosure of Invention

The invention provides a double-membrane dispensing filter, which solves the problems of low filtering speed and long dispensing process of a dispensing filter in the prior art.

The technical scheme of the invention is realized as follows:

a double-membrane dispensing filter comprises a filter body, two filter membranes and two filter upper covers;

the filter body is provided with a bottom plate, a circle of side walls surround the bottom plate, and two back-to-back accommodating grooves are formed by the bottom plate and the side walls;

the surface of the bottom plate in the accommodating groove is divided into an inner first surface and a second surface surrounding the first surface;

a first through hole and a second through hole which are penetrated through are arranged on the bottom plate, the first through hole is positioned in the first surface, and the second through hole is positioned in the second surface;

the outer side of the side wall is connected with a first inserting pipe and a second inserting pipe; a first plug hole is formed in the first plug pipe and communicated with the first through hole; a second plug hole is formed in the second plug pipe and communicated with the second through hole;

the filter upper cover is provided with a cover plate, one side of the cover plate is provided with a circle of plug board, and the plug board is provided with a through flow guide hole; the filter upper cover is covered into the accommodating groove, the end face of the plug board is attached to the second face, the outer side face of the plug board is attached to the inner side face of the side wall, and the flow guide hole is communicated with the second through hole;

the filtering membrane is positioned between the bottom plate and the upper filter cover, the first face is completely covered by the filtering membrane, and the edge of the filtering membrane is pressed between the second face and the inserting plate.

Further, the first inserting pipe and the second inserting pipe are located on the same straight line.

Further, the first face is recessed inward compared to the second face.

Furthermore, the first surface is provided with a plurality of flow guide strips, and the directions of the flow guide strips are parallel to the straight line where the first inserting pipe and the second inserting pipe are located.

Furthermore, the outer end parts of the first insertion pipe and the second insertion pipe are pointed ends.

Furthermore, the outer side surface of the insertion plate is provided with a thickening convex strip.

Further, the filtering membrane is a biological filtering membrane.

The invention has the beneficial effects that:

the double-membrane medicine dispensing filter is simple in structure and reasonable in design; the double membranes are arranged to form two filtering passages, so that the filtering efficiency is improved, and the dispensing time is shortened.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.

FIG. 1 is a schematic structural view of a filter body according to one embodiment of the present invention;

FIG. 2 is a perspective view of the filter body of FIG. 1;

fig. 3 is a schematic structural view of a filter cover according to an embodiment of the present invention.

Wherein:

1. a filter body; 2. an upper cover of the filter; 3. a base plate; 4. a side wall; 5. a containing groove; 6. a first side; 7. a second face; 8. a first through hole; 9. a second through hole; 10. a first bayonet tube; 11. a second bayonet tube; 12. a first plug hole; 13. a second plug hole; 14. a flow guide strip; 15. a cover plate; 16. a plugboard; 17. a flow guide hole; 18. the density of the convex strips is increased.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

As shown in fig. 1-3, the dual membrane dispensing filter of the present embodiment includes a filter body 1, two filter membranes (not shown) and two filter covers 2.

Referring to fig. 1 and 2, wherein the filter body 1 has a bottom plate 3, in this embodiment, the bottom plate 3 comprises a circular plate having a protrusion at one end thereof to form the bottom plate 3 in a drop shape; a circle of side walls 4 surround the bottom plate 3, two back-to-back accommodating grooves 5 are formed by the bottom plate 3 and the side walls 4, and the accommodating grooves 5 are also in a water droplet shape.

The surface of the bottom plate 3 in each accommodating groove 5 is divided into a first surface 6 and a second surface 7 surrounding the first surface 6; in this embodiment, the first face 6 is circular.

A first through hole 8 and a second through hole 9 are formed in the bottom plate 3, the first through hole 8 is located in the first surface 6, and in the embodiment, the first through hole 8 is located at the edge of the first surface 6 and is close to the second surface 7; the second through hole 9 is located in the second face 7, and in this embodiment, the second through hole 9 is located at a protruding position of the water drop-shaped bottom plate 3, close to the side wall 4.

A first inserting pipe 10 and a second inserting pipe 11 are connected to the outer side of the side wall 4; a first plug hole 12 is formed in the first plug pipe 10, and the first plug hole 12 is communicated with the first through hole 8; a second plug hole 13 is formed in the second plug pipe 11, and the second plug hole 13 is communicated with the second through hole 9. In this embodiment, the first inserting pipe 10 and the second inserting pipe 11 are located on the same straight line, and the outer end portions of the first inserting pipe 10 and the second inserting pipe 11 are pointed ends.

In this embodiment, the first surface 6 is recessed inward compared to the second surface 7, and a step is formed at the intersection of the first surface 6 and the second surface 7. The first surface 6 is provided with a plurality of flow guide strips 14, and the directions of the flow guide strips 14 are parallel to the straight line where the first inserting pipe 10 and the second inserting pipe 11 are located. The diversion strips 14 play a role in diversion of the filtered liquid medicine.

Referring to fig. 3, the filter upper cover 2 has a cover plate 15, in this embodiment, the cover plate 15 is also in a drop shape, one side of the cover plate 15 is provided with a circle of plug plates 16, and the plug plates 16 are provided with a flow guide hole 17 therethrough; the filter upper cover 2 is covered into the containing groove 5, the end face of the plug board 16 is attached to the second face 7, the outer side face of the plug board 16 is attached to the inner side face of the side wall 4, and the flow guide hole 17 is communicated with the second through hole 9. The two filter upper covers 2 are respectively covered into the two containing grooves 5.

The filter membrane is located between the bottom plate 3 and the filter upper cover 2, the first face 6 is completely covered by the filter membrane, and the edge of the filter membrane is pressed between the second face 7 and the plug board 16. In this embodiment the filter membrane is circular and has a diameter larger than the diameter of the first face 6. The filtering membrane is a biological filtering membrane.

In this embodiment, the outer side surface of the insertion plate 16 is provided with a density protrusion 18, and the density protrusion 18 is uniformly arranged along the outer surface of the insertion plate 16.

When the device is used in the embodiment, the first inserting pipe 10 and the second inserting pipe 11 are respectively inserted into the powder injection medicine bottle and the soft infusion bottle, so that two filtering passages are formed in the powder injection medicine bottle and the soft infusion bottle. The first plug hole 12 is communicated with a first through hole 8, the first through hole 8 is communicated with a gap between the first surface 6 and the filtering membrane, the filtering membrane passes through the gap between the filtering membrane and the cover plate 15, and then the filtering membrane passes through the flow guide hole 17 to be communicated with a second through hole 9, and the second through hole 9 is communicated with a second plug hole 13; in this embodiment, two receiving grooves 5 are provided, that is, the first through holes 8 are divided into two sides of the bottom plate 3 to form two filtering paths. The whole channel is reversed to realize the filtering function, so that the directionality of two ends of the filter is not limited in use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A double-membrane dispensing filter is characterized by comprising a filter body, two filter membranes and two filter upper covers;

2. The dual membrane dispensing filter of claim 1 wherein said first and second bayonet tubes are collinear.

3. The dual membrane dispensing filter of claim 2 wherein said first face is recessed relative to said second face.

4. The dual membrane dispensing filter of claim 3 wherein said first face has a plurality of diverter strips thereon, said plurality of diverter strips running parallel to a line on which said first and second insert tubes lie.

5. The dual membrane dosage filter of claim 4, wherein the outer ends of the first and second bayonet tubes are pointed.

6. The dual membrane dispensing filter of claim 5 wherein said insert plate is provided with densification ridges on an outer side thereof.

7. The dual membrane dispensing filter of claim 6 wherein said filtration membrane is a biological filtration membrane.