CN210131540U

CN210131540U - Novel high-pressure filter

Info

Publication number: CN210131540U
Application number: CN201920857470.8U
Authority: CN
Inventors: 贾刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-03-10
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a novel high-pressure filter, which belongs to the field of filter appliances and comprises an upper end cover and a lower base, wherein a liquid inlet and a liquid inlet cavity are arranged in the upper end cover, a liquid outlet and a liquid outlet cavity are arranged in the lower base, bosses for positioning are uniformly distributed on the periphery of the upper end cover, grooves for positioning are uniformly distributed on the periphery of the lower base corresponding to the bosses, a gap for pouring an injection molding ring is reserved between the upper end cover and the lower base by oppositely arranging the bosses and the grooves; the peripheral bottom surface of the upper end cover is designed into an upper end cover film pressing plane, and the peripheral top surface of the lower base is designed into a lower base film supporting plane; a filtering membrane for separating the liquid inlet cavity and the liquid outlet cavity is arranged between the upper end cover and the lower base, and the filtering membrane is arranged below the membrane pressing plane of the upper end cover and above the membrane supporting plane of the lower base and extends into the gap; the periphery of the upper end cover and the lower base which are assembled in a butt joint mode is poured with an injection molding wrapping ring. This novel problem of feed liquor chamber and play liquid chamber sealed not tight leakage and the poor pressure-bearing low problem of upper end cover and lower base leakproofness have effectively been solved.

Description

Novel high-pressure filter

Technical Field

The utility model belongs to the technical field of filter equipment, specific novel high pressure filter that says so.

Background

The liquid medicine filter is a device for filtering liquid medicine in the infusion apparatus. The liquid medicine filter realizes liquid medicine filtration through a filtering membrane; the bubble point pressure of the filter made by the filter membrane with the pore diameter less than 0.45 specified by the national standard is more than 350KPa, and the traditional filter shell structure and the processing process can not bear the pressure, so that the traditional filter has the following defects: 1) damage can be caused to the filtering membrane in the processing process; 2) the leakage between the liquid inlet cavity and the liquid outlet cavity formed between the upper shell and the lower shell and the filtering membrane is not tight, and the poor sealing and low pressure bearing of the upper end cover and the lower base are also caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art, the utility model aims to provide a novel high-pressure filter. The utility model discloses a filter adopts the package circle of moulding plastics to become integrative with filtration membrane, upper end cover and the whole pouring of lower base, and characteristics are that the packing force is strong, and the precompression is balanced, abundant, do not keep the dead angle, has effectively solved the feed liquor chamber and has gone out the problem that the tight leakage of liquid chamber is sealed and the problem that the poor pressure-bearing of upper end cover and lower base leakproofness is low, especially all can adopt this kind of filter to requiring the high bubble point of little aperture to press the liquid medicine filter and require extremely high pressure filter to the gas tightness.

The utility model provides a technical scheme that its technical problem adopted does: a novel high-pressure filter comprises an upper end cover and a lower base, wherein a liquid inlet and a liquid inlet cavity communicated with the liquid inlet are arranged in the upper end cover, a liquid outlet and a liquid outlet cavity communicated with the liquid outlet are arranged in the lower base, a plurality of bosses for positioning are uniformly distributed on the periphery of the upper end cover, a plurality of grooves for positioning are uniformly distributed on the periphery of the lower base corresponding to the bosses, a gap for pouring an injection molding package ring is reserved between the upper end cover and the lower base through the bosses and the grooves in an opposite mode; the peripheral bottom surface of the upper end cover is designed into an upper end cover film pressing plane, and the peripheral top surface of the lower base is designed into a lower base film supporting plane; a filtering membrane for separating the liquid inlet cavity and the liquid outlet cavity is arranged between the upper end cover and the lower base, and the filtering membrane is arranged below the membrane pressing plane of the upper end cover and above the membrane supporting plane of the lower base and extends into the gap; and an injection molding wrapping ring is poured on the periphery of the upper end cover assembled with the lower base.

The product principle is as follows: the upper end cover and the lower base are oppositely arranged by a lug boss and a groove, a gap for pouring the injection molding wrapping ring is reserved in the middle, the filtering membrane is arranged below a membrane pressing plane of the upper end cover and above a membrane supporting plane of the lower base and extends into the gap, the periphery of the assembled semi-finished product upper end cover and the periphery of the lower base are subjected to injection molding wrapping ring on the injection molding machine, and the flowing injection molding body fills the reserved space inside and is directly poured onto the membrane surface of the filtering membrane under the pressure pushing of the injection molding machine due to the fact that the gap is reserved between the upper end cover, the filtering membrane and the lower base, quantitative pre-pressure is kept, and the separation and cavity channeling prevention phenomena between the liquid inlet cavity and the liquid outlet cavity are guaranteed by means of ensuring that. In addition, the filter can bear the impact of extremely high pressure without leakage because the flowing injection molding body has balanced and sufficient pre-pressure and tightly wraps the upper end cover and the lower base into a whole without dead angles.

Preferably, at least one exhaust hole is distributed on the upper end cover, the at least one exhaust hole is communicated with an exhaust groove formed in the upper end cover, and an exhaust film is welded in the exhaust groove. Can be used for discharging gas mixed in the medicinal liquid for a long time.

Preferably, lower base membrane supporting ribs for supporting the filtering membrane are densely distributed in the liquid outlet cavity of the lower base.

Preferably, the upper end cover and the boss for positioning are integrally formed.

Preferably, the lower base and the groove for positioning are integrally formed.

Preferably, the upper end cover, the lower base and the filtering membrane are locked into a whole through an injection molding wrapping ring.

Preferably, the liquid inlet of the upper end cover is opposite to the liquid outlet of the lower base.

Preferably, the filtration membrane is a drug solution membrane or an air membrane. The liquid medicine film is used for filtering the medicine, and the air film is used for filtering the air.

Preferably, the filter product is designed to include, but is not limited to, rectangular or circular shapes, and may be designed to have other regular or irregular shapes.

Compared with the prior art, the utility model the following advantage has:

the utility model discloses a filter adopts the package circle of moulding plastics to become integrative with filtration membrane, upper end cover and the whole pouring of lower base, and characteristics are that the packing force is strong, and the precompression is balanced, abundant, do not keep the dead angle, has effectively solved the feed liquor chamber and has gone out the problem that the tight leakage of liquid chamber is sealed and the problem that the poor pressure-bearing of upper end cover and lower base leakproofness is low, especially all can adopt this kind of filter to requiring the high bubble point of little aperture to press the liquid medicine filter and require extremely high pressure filter to the gas tightness.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a cross-sectional view of the novel high pressure filter;

fig. 2 is a structural plan view of the novel high-pressure filter.

In the figure, 1, an upper end cover, 2, an exhaust membrane, 3, a filter membrane, 4, a lower base, 5, an injection molding wrapping ring, 6, a lower base film supporting rib, 7, an upper end cover film pressing plane, 8, a liquid inlet, 9, a liquid outlet, 10, a boss, 11, a gap, 12, an exhaust groove, 13, a liquid inlet cavity, 14, a liquid outlet cavity, 15, a lower base film supporting plane, 16 and an exhaust hole.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

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

Embodiment 1, as shown in fig. 1-2, a novel high-pressure filter includes an upper end cover 1 and a lower base 4, a liquid inlet 8 and a liquid inlet cavity 13 communicated with the liquid inlet 8 are disposed in the upper end cover 1, and a liquid outlet 9 and a liquid outlet cavity 14 communicated with the liquid outlet 9 are disposed in the lower base 4, and is characterized in that: a plurality of bosses 10 for positioning are uniformly distributed on the periphery of the upper end cover 1, a plurality of grooves for positioning are uniformly distributed on the periphery of the lower base 4 corresponding to the bosses 10, the bosses 10 and the grooves are oppositely arranged between the upper end cover 1 and the lower base 4, and a gap 11 for pouring the injection molding package ring is reserved in the middle; the peripheral bottom surface of the upper end cover 1 is designed into an upper end cover film pressing plane 7, and the peripheral top surface of the lower base 4 is designed into a lower base film supporting plane 15; a filtering membrane 3 for separating a liquid inlet cavity 13 and a liquid outlet cavity 14 is arranged between the upper end cover 1 and the lower base 4, and the filtering membrane 3 is arranged below the film pressing plane 7 of the upper end cover and above the film supporting plane 15 of the lower base and extends into the gap 11; and an injection molding wrapping ring 5 is poured on the periphery of the upper end cover 1 and the lower base 4 which are assembled in a butt joint mode.

The product principle is as follows: the upper end cover 1 and the lower base 4 are oppositely arranged by a boss 10 and a groove, a gap 11 for pouring an injection molding wrapping ring is reserved in the middle, a filter membrane 3 is arranged below a membrane pressing plane 7 of the upper end cover 1 and above a lower base membrane supporting plane 15 and extends into the gap 11, the periphery of the assembled semi-finished product upper end cover 1 and the periphery of the lower base 4 are subjected to injection molding wrapping ring on an injection molding machine, and a flowing injection molding body fills the reserved space inside and is directly poured onto the membrane surface of the filter membrane under the pressure pushing of the injection molding machine due to the fact that the gap is reserved between the upper end cover, the filter membrane and the lower base, and has quantitative pre-pressure, and the separation and cavity channeling prevention between the liquid inlet cavity 13 and the liquid outlet cavity 14 are guaranteed through the pressing force which ensures no gap is reserved. In addition, the upper end cover 1 and the lower base 4 are tightly packed into a whole body because the flowing injection molding body has balanced and sufficient precompression and does not leave dead angles, so that the filter can bear the impact of extremely high pressure without leakage.

In this embodiment, at least one exhaust hole 16 is disposed on the upper end cover 1, at least one exhaust hole 16 is communicated with an exhaust groove 12 formed in the upper end cover 1, and an exhaust membrane 2 is welded in the exhaust groove 12. Can be used for discharging gas mixed in the medicinal liquid for a long time.

In this embodiment, lower base membrane supporting ribs 6 for supporting the filtering membrane 3 are densely distributed in the liquid outlet cavity 14 of the lower base 4.

In this embodiment, the upper end cap 1 and the positioning boss 10 are integrally formed. In this embodiment, the lower base 4 and the positioning groove are integrally formed. In this embodiment, the upper end cap 1, the lower base 4 and the filtering membrane 3 are integrally locked by the injection molding wrapping ring 5. In this embodiment, the filtration membrane 3 is a drug liquid membrane or an air membrane. The liquid medicine film is used for filtering the medicine, and the air film is used for filtering the air.

In this embodiment, the filter product is designed in a circular shape. In this embodiment, the liquid inlet 8 of the upper end cap 1 and the liquid outlet 9 of the lower base 4 are located at opposite positions.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.

Claims

1. The utility model provides a novel high pressure filter, includes upper end cover (1) and lower base (4) be equipped with in upper end cover (1) inlet (8) and with liquid inlet (8) feed through feed liquor chamber (13) be equipped with in lower base (4) liquid outlet (9) and with liquid outlet (9) the play sap cavity (14) of intercommunication, its characterized in that: a plurality of bosses (10) for positioning are uniformly distributed on the periphery of the upper end cover (1), a plurality of grooves for positioning are uniformly distributed on the periphery of the lower base (4) corresponding to the bosses (10), the upper end cover (1) and the lower base (4) are oppositely arranged by the bosses (10) and the grooves, and a gap (11) for pouring an injection molding package ring is reserved in the middle; the peripheral bottom surface of the upper end cover (1) is designed into an upper end cover film pressing plane (7), and the peripheral top surface of the lower base (4) is designed into a lower base film supporting plane (15); a filtering membrane (3) for separating a liquid inlet cavity (13) and a liquid outlet cavity (14) is arranged between the upper end cover (1) and the lower base (4), and the filtering membrane (3) is arranged below the upper end cover film pressing plane (7) and above the lower base film supporting plane (15) and extends into the gap (11); and an injection molding wrapping ring (5) is poured on the assembled periphery of the upper end cover (1) and the lower base (4).

2. The new high pressure filter according to claim 1, wherein: the exhaust device is characterized in that at least one exhaust hole (16) is distributed on the upper end cover (1), the at least one exhaust hole (16) is communicated with an exhaust groove (12) formed in the upper end cover (1), and an exhaust film (2) is welded in the exhaust groove (12).

3. The new high pressure filter according to claim 1, wherein: lower base membrane supporting ribs (6) for supporting the filtering membrane (3) are densely distributed in the liquid outlet cavity (14) of the lower base (4).

4. The new high pressure filter according to claim 1, wherein: the upper end cover (1) and the boss (10) for positioning are integrally formed.

5. The new high pressure filter according to claim 1, wherein: the lower base (4) and the groove for positioning are integrally formed.

6. The new high pressure filter according to claim 1, wherein: the upper end cover (1), the lower base (4) and the filtering membrane (3) are locked and fixed into a whole through an injection molding wrapping ring (5).

7. The new high pressure filter according to claim 1, wherein: the liquid inlet (8) of the upper end cover (1) and the liquid outlet (9) of the lower base (4) are in opposite positions.

8. The new high pressure filter according to claim 1, wherein: the filtering membrane (3) is a liquid medicine membrane or an air membrane.

9. The new high pressure filter according to claim 1, wherein: the filter product is designed in a rectangular or circular shape.