CN219050499U

CN219050499U - Suction filtration funnel

Info

Publication number: CN219050499U
Application number: CN202222570698.3U
Authority: CN
Inventors: 栗晓东
Original assignee: Tianjin Junkai Agricultural Technology Co ltd
Current assignee: Tianjin Junkai Agricultural Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-23
Anticipated expiration: 2032-09-26

Abstract

The utility model provides a suction filtration funnel, which comprises a cylinder body and a filter plate, wherein an annular supporting boss is fixedly arranged on the inner side of the cylinder body, a plurality of filter holes are formed in the filter plate, the plurality of filter plates are stacked at the upper end of the annular supporting boss, a bottom filter plate is in contact seal with the annular supporting boss, the plurality of filter plates are in contact seal, and a placement position for placing filter paper is arranged on the upper end face of the filter plate. The utility model has the beneficial effects that: the filter paper can be placed on each of the filter plates, when one of the filter paper is damaged, other filter papers can continue to produce the filtering effect, and sediment is prevented from entering the suction filtration bottle, so that secondary suction filtration is avoided, and the suction filtration efficiency is improved.

Description

Suction filtration funnel

Technical Field

The utility model belongs to the technical field of experimental equipment, and particularly relates to a suction filtration funnel.

Background

The suction filtration is a solid-liquid separation process frequently used in a chemical laboratory, under the action of a suction filter, the pressure difference appears on the upper surface and the lower surface of filter paper, so that mixed liquid to be filtered is filtered in an acceleration way, mother liquor is pumped into a suction filter bottle, sediment is adsorbed on the filter paper of the suction filter funnel, the current filter paper is arranged on a filter plate of the filter funnel, in the actual use process, the filter paper is often damaged and placed incorrectly, the sediment is led to enter the suction filter bottle, the mother liquor is required to be subjected to secondary suction filtration for light weight, the efficiency of the suction filtration operation is influenced, and the sediment enters the suction filter for heavy weight, so that the suction filter is blocked and damaged.

Disclosure of Invention

In view of the foregoing, the present utility model aims to provide a suction filter funnel, so as to solve at least one of the above-mentioned technical problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a suction filtration funnel, includes barrel, filter plate, the barrel inboard has set firmly annular support boss, it has a plurality of filtration holes to open on the filter plate, the quantity of filter plate is a plurality of, and is a plurality of the filter plate stacks in annular support boss upper end, and bottom filter plate and annular support boss contact seal, a plurality of contact seal between the filter plate, the filter plate up end is equipped with the position of placing that is used for placing filter paper.

Further, the upper end of the filter plate is provided with a placing groove corresponding to the filter hole, and the diameter of the placing groove is matched with that of the filter paper.

Further, the number of the filter plates is two, namely a first filter plate and a second filter plate, the first filter plate and the second filter plate are sequentially stacked at the upper end of the annular supporting boss, a limiting boss corresponding to the upper end face of the second filter plate is fixedly arranged on the inner side of the cylinder, and an installation groove matched with the limiting boss is formed in the side wall of the filter plate.

Further, the bottom end of the filter plate is provided with a sealing groove, a sealing ring is arranged in the sealing groove, and the diameter of the cross section of the sealing ring is larger than the depth of the sealing groove.

Further, the diameter of the sealing groove is smaller than that of the filter paper.

Further, a grabbing hole is formed in the filter plate.

Further, the cylinder is a structural member made of glass.

Furthermore, the filter plate is a structural member made of polytetrafluoroethylene.

Compared with the prior art, the suction filter funnel has the following beneficial effects:

(1) According to the suction filter funnel disclosed by the utility model, the filter paper can be placed on the plurality of filter plates, when one filter paper is damaged, the other filter paper can continue to produce the filtering effect, so that sediment is prevented from entering the suction filter bottle, secondary suction filtration is avoided, and the suction filtration efficiency is improved.

(2) According to the suction filtration funnel, the sealing ring increases the tightness between the first filter plate and the annular supporting boss, so that the problem of liquid leakage is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of an explosion structure of a funnel according to an embodiment of the present utility model;

fig. 2 is a schematic perspective view of a barrel according to an embodiment of the present utility model;

fig. 3 is a schematic perspective view of a second filter plate according to an embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a funnel according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of the structure a in fig. 4 according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a cylinder; 2. a filter paper; 3. a second filter plate; 4. a first filter plate; 5. a seal ring; 101. a limit boss; 102. an annular support boss; 301. a mounting groove; 302. sealing grooves; 303. a filter hole; 304. and grabbing the hole.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 5, a suction filtration funnel comprises a barrel 1 and filter plates, wherein an annular supporting boss 102 is fixedly arranged on the inner side of the barrel 1, a plurality of filter holes 303 are formed in the filter plates, the filter plates are stacked at the upper ends of the annular supporting bosses 102, a bottom filter plate is in contact seal with the annular supporting boss 102, the filter plates are in contact seal, and a placement position for placing filter paper 2 is arranged on the upper end face of each filter plate. The filter plate is provided with a grabbing hole 304, and the grabbing hole 304 is convenient for grabbing the filter plate and carrying out operations such as transferring, rotating and the like on the filter plate. The cylinder body 1 is a structural member made of glass material, and can observe the suction filtration condition. The filter plate is a structural member made of polytetrafluoroethylene, has good corrosion resistance and wear resistance, can be suitable for the suction filtration operation of various acid-base to-be-suction-filtered mixed liquids, and prolongs the service life of the funnel. The upper end of the filter plate is provided with a placing groove corresponding to the filter hole 303, the diameter of the placing groove is matched with that of the filter paper 2, and the placing groove plays a role in positioning the filter paper 2. The lower end of the cylinder body 1 is fixedly provided with a connecting pipe communicated with the inner side of the cylinder body 1, and the connecting pipe is connected with a suction filtration bottle.

As shown in fig. 4 and 5, the number of the filter plates is two, namely a first filter plate 4 and a second filter plate 3, the first filter plate 4 and the second filter plate 3 are sequentially stacked on the upper end of the annular supporting boss 102, a limit boss 101 corresponding to the upper end face of the second filter plate 3 is fixedly arranged on the inner side of the cylinder 1, and an installation groove 301 matched with the limit boss 101 is formed in the side wall of the filter plate. The bottom end of the filter plate is provided with a sealing groove 302, a sealing ring 5 is arranged in the sealing groove 302, and the diameter of the cross section of the sealing ring 5 is larger than the depth of the sealing groove 302. The diameter of seal groove 302 is less than the diameter of filter paper 2, and sealing washer 5 increases the leakproofness between first filter plate 4 and the annular support boss 102, and sealing washer 5 increases the leakproofness between second filter plate 3 and the first filter plate 4, and in addition sealing washer 5 pushes up the filter paper 2 between second filter plate 3 and the first filter plate 4, places this filter paper 2 and removes, has improved the stability in the use. A gap exists between the upper end face of the filter paper 2 in the placement groove of the first filter plate 4 and the lower end face of the second filter plate 3.

The working process comprises the following steps:

when the scheme is implemented, the mounting groove 301 of the first filter plate 4 is inserted into the boss 101 of Ji Xianwei, the filter paper 2 is placed in the placing groove of the first filter plate 4, then the mounting groove 301 of the second filter plate 3 is inserted into the boss 101 of Ji Xianwei, the second filter plate 3 is pressed down, at the moment, the sealing ring 5 in the sealing groove 302 is compressed, then the second filter plate 3 is rotated and loosened, the upper end face of the second filter plate 3 is propped against the limiting boss 101 under the elastic force of the sealing ring 5, the effect of fixing the second filter plate 3 is achieved, and then the filter paper 2 is placed in the placing groove of the second filter plate 3; when one filter paper 2 is damaged, the other filter paper 2 can continue to produce the filtering effect, so that sediment is prevented from entering the suction filtration bottle, secondary suction filtration is avoided, and the suction filtration efficiency is improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the claims and description.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A suction filtration funnel, characterized in that: including barrel (1), filter plate, barrel (1) inboard has set firmly annular support boss (102), it has a plurality of filtration holes (303) to open on the filter plate, the quantity of filter plate is a plurality of, and is a plurality of the filter plate stacks in annular support boss (102) upper end, and bottom filter plate and annular support boss (102) contact seal, a plurality of contact seal between the filter plate, the filter plate up end is equipped with the position of placing that is used for placing filter paper (2).

2. A suction filtration funnel as claimed in claim 1, wherein: the upper end of the filter plate is provided with a placing groove corresponding to the filter hole (303), and the diameter of the placing groove is matched with the diameter of the filter paper (2).

3. A suction filtration funnel as claimed in claim 1, wherein: the number of the filter plates is two, the two filter plates are respectively a first filter plate (4) and a second filter plate (3), the first filter plate (4) and the second filter plate (3) are sequentially stacked at the upper end of the annular supporting boss (102), a limit boss (101) corresponding to the upper end face of the second filter plate (3) is fixedly arranged on the inner side of the cylinder body (1), and an installation groove (301) matched with the limit boss (101) is formed in the side wall of the filter plate.

4. A suction filtration funnel as claimed in claim 3, wherein: the filter plate bottom is opened there is seal groove (302), be equipped with sealing washer (5) in seal groove (302), the diameter of sealing washer (5) cross section is greater than the degree of depth of seal groove (302).

5. A suction filtration funnel as claimed in claim 4, wherein: the diameter of the sealing groove (302) is smaller than that of the filter paper (2).

6. A suction filtration funnel as claimed in claim 1, wherein: the filter plate is provided with a grabbing hole (304).

7. A suction filtration funnel as claimed in claim 1, wherein: the cylinder body (1) is a structural member made of glass.

8. A suction filtration funnel as claimed in claim 1, wherein: the filter plate is a structural member made of polytetrafluoroethylene.