TWM577342U - Filtering device - Google Patents

Abstract

The present invention relates to a filtering device comprising a chamber for accommodating a fluid sample, a circulation portion communicating with the chamber, a support portion provided with a notch, and a filter element disposed at the support portion And located between the chamber and the flow portion, the edge portion of the filter element is disposed at a position corresponding to the slot and spaced apart from the bottom of the slot.

Description

filter device

This creation is about a filter device.

Generally, in biological research, microorganisms or cells are cultured in a liquid, and the microorganisms or cells are selected by passing a culture liquid (including microorganisms or cells) through a filter (for example, a filter membrane, a filter paper, etc.) to pass the liquid through the filtration. The microorganisms or cells to be screened are retained on the filter element.

The filter assembly of the prior art comprises a liquid storage body and a body, the liquid storage liquid is disposed on the base body, a filter film is disposed on the liquid storage body and the seat body, and the culture liquid can flow through the filter liquid through the liquid filter to The orifice of the block is discharged. However, the peripheral edge of the filter membrane of the prior art is close to the storage liquid or the peripheral wall of the seat body, that is, the periphery of the filter membrane has no gap with the liquid storage or the peripheral wall of the seat body, which makes it difficult to take out the filter film and easily destroy the filter film. Filter membrane.

Therefore, it is necessary to provide a novel and progressive filtering device to solve the above problems.

The main purpose of this creation is to provide a filtering device that facilitates the removal of filter elements.

In order to achieve the above object, the present invention provides a filtering device comprising a chamber for accommodating a fluid sample, a circulation portion communicating with the chamber, a support portion provided with a notch, and a filter element Provided in the support portion and located between the chamber and the flow portion, the edge portion of the filter element is disposed at a position corresponding to the slot and spaced apart from the bottom of the slot.

The structural features of the present invention and the intended effects thereof will be described by way of example only, but are not intended to limit the scope of the present invention.

Referring to FIGS. 1-7, a first preferred embodiment of the present invention is shown. The filter device 1 of the present invention includes a chamber 10, a flow portion 20, a support portion 30, and a filter element 40.

The chamber 10 is configured to receive a fluid sample; the flow portion 20 is connected to the chamber 10; the support portion 30 is provided with a notch 31; the filter element 40 is disposed on the support portion 30 and located in the chamber 10 and the circulation portion Between 20, a portion of the filter element 40 corresponds to the position of the slot 31 and is spaced from the bottom of the slot 31. In detail, the filter device 1 further includes a container 11 and a base 21. The container 11 is detachably disposed on the base 21. The container 11 is provided with the chamber 10, and the base 21 is provided with the circulation. The portion 20 of the container 11 and the base 21 is provided with the support portion 30. In the embodiment, the base portion 21 is provided with the support portion 30. In addition, the filter element 40 is a filter paper, and may also be a filter or other filterable component. This creation facilitates the removal of the filter element 40. Further, a portion of the fluid sample, such as a microorganism or a cell whose liquid is extremely smaller than the filter pore of the filter element 40, passes through the filter element 40 to the flow portion 20, and the microorganism or cell larger than the filter hole. It is retained on the filter element 40. However, the fluid sample is not limited to fluids with microorganisms.

In detail, the gap between the end edge of the filter element 40 and the groove bottom of the notch 31 can facilitate the insertion of a tool 2 (such as a tweezers) into the notch 31 to take out the filter element 40. In this embodiment, the notch 31 is a blind groove to maintain the strength of the structure; in other embodiments, the notch may also be a through groove.

The support portion 30 includes a ring-shaped convex wall 35 and a concave portion 38. The annular convex wall 35 extends upward from the flow portion 20 toward an axial direction L1 of the chamber 10 and protrudes in the radial direction. The recessed portion 38, the filter element 40 is disposed in the recessed portion 38, and at least one of the annular convex wall 35 and the recessed portion 38 is provided with the notch 31, so that the filter element 40 can be restrained while being easily taken out. In detail, the annular convex wall 35 is provided with a plurality of ribs 36 surrounding the concave portion 38 toward the end surface of the container 11 to save and strengthen the structure of the base 21. Preferably, each of the ribs 36 extends upwardly in the axial direction L1 and protrudes radially inwardly. Each of the ribs 36 is provided with a guiding slope 361 which is directed from the container 11 toward the bottom of the base 21. The direction is gradually inclined toward the inside of the chamber 10 to facilitate the attachment and detachment of the filter element 40 to the recess 38.

Preferably, the base 21 is provided with the support portion 30, and one of the support portion 30 and the bottom of the container 11 is provided with a slot, and the other is provided with a plug which is inserted and radially pressed against the slot. In the embodiment, the support portion 30 is provided with a slot 37. The bottom of the container 11 is provided with a stepped protrusion 12 which is inserted and radially urged against the slot 37. The stepped protrusion 12 is radially pressed. The groove walls of the slot 37 are tightly connected, and are directly and quickly disassembled and are not easily separated from each other. The container 11 is provided with an opening 112 at an end opposite to the bottom portion. The stepped projection 12 is gradually expanded from the opening 112 of the container 11 toward the bottom of the container 11. The stepped projection 12 and the slot 37 are 6 The % (Luer) slope fits the defined 6% cone shape for good air tightness.

The notch 31 is open in two different directions; further, the notch 31 includes a first slot segment 312 and a second slot segment 313 transverse to the first slot segment 312 for facilitating removal of the filter element 40. Further, the bottom surface of the recess 38 is provided with the second slot segment 313, and the annular flange wall 35 is provided with the first slot segment 312.

The filter device 1 further includes a plug cover 70. The flow portion 20 constitutes a constant hole 22, and the plug cover 70 detachably seals the through hole 22 to achieve a sealing effect. In other embodiments, the plug cover can be further provided. There is a sealing ring to press against the hole wall of the through hole. Preferably, the hole wall of the through hole 22 and one of the outer circumferences of one of the column portions 71 of the plug cover 70 are provided with at least one radially extending rib, and the other is provided with at least one detachable with the rib In the present embodiment, the card hole 23 is provided in the hole wall of the through hole 22, and the column portion 71 of the plug cover 70 is provided with the card rib 72; the card slot 23 and the card The number of ribs 72 is respectively plural. The support portion 30 further includes a plurality of convex structures 60 constituting a bottom surface of the concave portion 38. The plurality of convex structures 60 are spaced apart from each other, and the flow path is formed between the plurality of convex structures 60. The through hole 22 is connected.

The filter device 1 further includes a cover body 80. The cover body 80 includes a top portion 81 and a bottom portion 82. The bottom portion 82 detachably covers one of the container 11 and the base portion 21. The top portion 81 is provided with a first portion. a joint portion 811, the base portion 21 is provided with a second joint portion 24 corresponding to the first joint portion 811, and the first joint portion 811 and the second joint portion 24 are detachably engaged with each other; The first joint portion 811 is a ring groove, and the second joint portion 24 is a ring protrusion; further, the cover body 80 can be disposed on the base 21 or the container 11 for the plurality of filter devices 1 The susceptors 21 are stacked one upon another in a plurality of layers.

In addition, please refer to FIG. 8 , which shows a second preferred embodiment of the present invention, which is different from the first preferred embodiment in that the support portion 30 is provided with a support surface 32 , and the filter element 40 is disposed on the support The surface 32 is provided with the notch 31, a supporting portion 33 and an inclined portion 34. The inclined portion 34 is connected between the supporting portion 33 and the notch 31 and arranged radially. The supporting portion 33 Supporting the filter element 40, the inclined section 34 is obliquely extended from the support section 33 toward the slot 31 by the chamber 10 to the flow direction 20, so that the filter element 40 and the inclined section 34 have In the gap, the filter element 40 can be stably supported on the support surface 32 and the tool can tilt and swing the filter element 40.

Referring to FIG. 9, a third preferred embodiment of the present invention is shown. The notch 31' is provided with an inclined wall 314. The end edge portion of the filter element 40 corresponds to the inclined wall 314 in the radial direction and the inclined wall 314. At intervals, the tool can be tilted into the slot to facilitate swinging.

In summary, the filter device of the present invention is designed to pass through the notch of the support portion to facilitate the removal of the filter element.

1‧‧‧Filter device

2‧‧‧ Tools

10‧‧‧ Room

11‧‧‧ Container

12‧‧‧ step convex

112‧‧‧ openings

20‧‧ ‧ Circulation Department

21‧‧‧Base

22‧‧‧through holes

23‧‧‧ card slot

24‧‧‧Second junction

30‧‧‧Support

31,31’‧‧‧ Missing slot

312‧‧‧First trough section

313‧‧‧Second trough section

314‧‧‧ sloping wall

32‧‧‧Support surface

33‧‧‧Support section

34‧‧‧Sloping section

35‧‧‧ ring convex wall

36‧‧ ‧ ribs

361‧‧‧Bevel

37‧‧‧Slots

38‧‧‧ recess

40‧‧‧Filter elements

60‧‧‧ convex structure

70‧‧‧Segai

71‧‧‧ Column

72‧‧‧Carri

80‧‧‧ cover

81‧‧‧ top

811‧‧‧ first joint

82‧‧‧ bottom

L1‧‧‧ axial

1 is a perspective view of a first preferred embodiment of the present invention. Figure 2 is an exploded view of a first preferred embodiment of the present invention. Figure 3 is a cross-sectional view showing a first preferred embodiment of the present invention. Figure 4 is a diagram showing the state of use of a first preferred embodiment of the present invention. Figure 5 is a perspective view of a base of a first preferred embodiment of the present invention. Figure 6 is a plan view of a susceptor of a first preferred embodiment of the present invention. FIG. 7 is another use state diagram of a first preferred embodiment of the present invention. Figure 8 is a partial cross-sectional view showing a second preferred embodiment of the present invention. Figure 9 is a partial cross-sectional view showing a third preferred embodiment of the present invention.

Claims (11)

A filter device comprising: a chamber for accommodating a fluid sample; a flow portion connecting the chamber; a support portion having a notch; a filter element disposed at the support portion and located in the chamber Between the circulation portions, the edge portion of the filter element is disposed at a position corresponding to the groove and spaced apart from the groove bottom of the groove. The filter device of claim 1, further comprising a container and a base, the container being detachably disposed on the base, the container being provided with the chamber, the base being provided with the circulation portion, the container and One of the bases is provided with the support portion. The filter device of claim 2, wherein the base is provided with the support portion, the support portion is provided with a support surface, the filter element is disposed on the support surface, and the support surface is provided with the notch, a support portion and An inclined section connected between the support section and the notch, the support section supports the filter element, the inclined section is from the support section to the direction of the slot and from the chamber to the circulation part The direction extends obliquely. The filter device of claim 2, wherein the base is provided with the support portion, one of the support portion and the bottom of the container is provided with a slot, and the other is provided with a plug and radially urges the slot The step of the convex segment. The filter device of claim 1, wherein the support portion comprises a ring-shaped convex wall and a concave portion, and the annular convex wall extends upwardly from the flow portion toward one of the chambers and protrudes in a radial direction. The wall surrounds the recess, the filter element is disposed on the recess, and at least one of the annular wall and the recess is provided with the notch. The filter device of claim 1, wherein the notch is open in two distinct directions. The filter device of claim 6, wherein the notch includes a first slot segment and a second slot segment transverse to the first slot segment. The filter device of claim 1, wherein the notch is provided with an inclined wall, and an edge portion of the filter element corresponds to the inclined wall and is spaced apart from the inclined wall. The filter device according to claim 1, further comprising a plug cover constituting a constant hole, the plug cap detachably sealing the through hole. The filter device of claim 2, further comprising a cover body, the cover body comprising a top portion and a bottom portion, the bottom portion detachably covering one of the container and the base; the top portion is provided with a first combination And the second joint portion is provided with a second joint portion, and the first joint portion and the second joint portion are detachably engaged with each other. The filter device of claim 3, wherein the notch is a blind slot; the base is provided with the support portion, the support portion is provided with a slot, and the bottom of the container is provided with a plug and radially urges the slot a stepped protrusion; the container is provided with an opening at an end opposite to the bottom, the stepped protrusion is gradually expanded from the opening of the container toward the bottom of the container; the notch is open in two different directions; the missing groove includes a first trough section and a second trough section transverse to the first trough section; the notch is provided with an inclined wall, and an end edge portion of the filter element corresponds to a radial wall and is spaced apart from the inclined wall; The support portion includes a ring convex wall and a concave portion. The annular convex wall extends upwardly from the flow portion toward one of the chambers and protrudes in the radial direction. The annular convex wall surrounds the concave portion, and the filter element is disposed on the concave portion. At least one of the annular convex wall and the concave portion is provided with the notch; the annular convex wall is provided with a plurality of ribs surrounding the concave portion toward the end surface of the container, and the convex strips extend upward in the axial direction and Radially projecting inwardly, each of the ribs is provided with a guiding slope, the guiding slope is directed by the container The direction of the bottom of the base is gradually inclined toward the chamber; the filtering device further includes a plug cover, the flow portion forming a consistent hole, the plug cover detachably sealing the through hole; the filtering device further comprises a cover body, The cover body includes a top portion and a bottom portion, and the bottom portion detachably covers one of the container and the base; the top portion is provided with a first joint portion, and the base portion is provided with a second joint corresponding to the first joint portion The first joint portion and the second joint portion are detachably engaged with each other; the hole wall of the through hole and the outer circumference of one of the plug portions are provided with at least one radially extending card The rib and the other are provided with at least one card slot detachably interposed with the rib; the support portion further includes a plurality of convex structures, the plurality of convex structures constituting a bottom surface of the concave portion, and the plurality of convex structures Set apart from each other.