CN210186518U - Filter element structure - Google Patents

Abstract

The utility model discloses a filter core structure, it includes first filtration passageway, second filtration passageway and first cavity passageway: the first filtering channel is used for filling filtering materials and is provided with an upper end and a lower end which are oppositely arranged, the second filtering channel is used for filling filtering materials and is provided with an upper end and a lower end which are oppositely arranged, and the upper end of the first filtering channel is higher than that of the second filtering channel. The first hollow channel is separated from the lower ends of the first filtering channel and the second filtering channel through a filter screen. The utility model discloses filter core structure can solve among the current filter core structure the problem that the filter material utilization ratio is low, the filter effect is poor.

Description

Filter element structure

Technical Field

The utility model belongs to the technical field of the water purification, concretely relates to filter core structure.

Background

At present, rivers can not flow evenly when passing the filter material among the kettle filter core structure, and the flow difference at different positions on the cross section of filtration passageway is great, has both leaded to the utilization ratio of filter material not high, still reduces the filter effect, influences user experience.

Disclosure of Invention

The utility model discloses to the problem that the filter material utilization ratio that exists is low, the filter effect is poor among the prior art, provide a filter core structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

a filter cartridge arrangement comprising a first filter passage, a second filter passage and a first hollow passage: the filter comprises a first filtering channel, a second filtering channel, a first hollow channel, a second hollow channel and a filter screen, wherein the first filtering channel is used for filling filter materials and has upper and lower ends which are arranged oppositely, the second filtering channel is used for filling filter materials and has upper and lower ends which are arranged oppositely, the upper end of the first filtering channel is higher than that of the second filtering channel, and the first hollow channel is separated from the lower ends of the first filtering channel and the second filtering channel respectively through the filter screen.

In the filter element structure, the filter cartridge comprises a filter cartridge, the filter cartridge comprises a cartridge bottom, an outer cartridge, an inner cartridge and an intermediate cartridge: the middle part of the cylinder bottom is provided with an opening, the outer cylinder is formed at the outer peripheral end of the cylinder bottom, the inner cylinder is formed at the inner peripheral end of the cylinder bottom, the middle cylinder is formed between the outer cylinder and the inner cylinder, the first filtering channel is defined between the middle cylinder and the outer cylinder, the second filtering channel is defined between the middle cylinder and the inner cylinder, and the first hollow channel is defined between the first filtering channel and the cylinder bottom, and between the second filtering channel and the cylinder bottom.

In the filter element structure, the middle cylinder is connected between the inner cylinder and the outer cylinder through the filter screen.

The filter element structure comprises a filter cover, wherein the filter cover is connected to the middle barrel and defines a second hollow channel with the upper end of the second filter channel.

In the filter cartridge structure, the filter cover covers the first filter passage and is formed with a through hole communicating with the first filter passage.

In the filter element structure, the filter screen for separating the second filtering channel and the second hollow channel is connected between the middle cylinder and the inner cylinder.

In the filter element structure, the first filtering channel and/or the second filtering channel comprise a plurality of filter material layers formed by filling different filter materials.

In the filter element structure, the adjacent filter material layers are separated by the filter screen.

Compared with the prior art, the utility model discloses an advantage and beneficial effect are:

the utility model discloses well first filtration passageway's upper end is higher than the upper end of second filtration passageway, ensure that the rivers that flow in by first filtration passageway's upper end can be with the help of first cavity passageway and flow by second filtration passageway's upper end, and first filtration passageway, second filtration passageway has formed opposite rivers direction with the help of first cavity passageway's intercommunication, can effectively slow down filter velocity, increase filtration length, be favorable to the promotion of filter effect, it is special, the even flow through of rivers in the filter material still can be ensured in the setting of first cavity passageway, when rivers get into first filtration passageway by first filtration passageway's upper end, each position pressure of first filtration passageway's upper end is unanimous, because the flow resistance can neglect under the condition of low velocity of flow, therefore, each position pressure of the interior corresponding first filtration passageway's lower extreme of first cavity passageway is unanimous, therefore, on every longitudinal section along first filtration passageway flow direction, Pressure difference is unanimous down between the both ends, can realize rivers evenly to flow through in first filtration passageway, avoid the great problem of different position flow difference on the arbitrary cross section of first filtration passageway, make full use of the filter material at each position in the first filtration passageway, the promotion of filtration efficiency has been ensured, at the in-process that rivers pass first cavity passageway, rivers change to and upwards get into the second filtration passageway along the lower extreme of second filtration passageway, the velocity of flow further slows down, can realize more abundant filtration.

Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the invention, which is to be read in connection with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a filter cartridge structure according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In order to increase the utilization rate of the filtering material and improve the filtering effect, as shown in fig. 1, the present embodiment provides a filtering core structure, which includes a first filtering channel a, a second filtering channel B and a first hollow channel C, wherein the first filtering channel a and the second filtering channel B are both filled with the filtering material and have an upper end and a lower end which are oppositely disposed, the upper end of the first filtering channel a is higher than the upper end of the second filtering channel B, in order to slow down the speed of the water flowing through the first filtering channel a and the second filtering channel B and achieve sufficient contact between the water flowing and the filtering material, in the present embodiment, the first filtering channel a and the second filtering channel B are communicated by the first hollow channel C to achieve opposite flowing directions, in order to achieve that the water flowing through and avoiding leakage of the filtering material, specifically, a filtering net (30, 40) is adopted to separate the first filtering channel a and the first hollow channel C, and separating the first hollow channel C from the second filtration channel B.

When the filter element structure of the embodiment is used for filtering, preferably, the first filtering channel a and the second filtering channel B are vertically arranged, water to be filtered is injected into the first filtering channel a from the upper end of the first filtering channel a, when water flow enters the first filtering channel a from the upper end of the first filtering channel a downwards, the pressure of each part at the upper end of the first filtering channel a is consistent, the flow resistance is negligible under the condition of low flow rate, therefore, the pressure of each part in the first hollow channel C corresponding to the lower end of the first filtering channel a is consistent, the pressure difference between the upper end and the lower end of each longitudinal section along the flow direction of the first filtering channel a is consistent, so that the water flow can be ensured to uniformly flow through the first filtering channel a, after the water flow passes through the first hollow channel C, the flow direction of the water is changed, and after the water flow enters the second filtering channel B upwards along the lower end of the second filtering channel B, the flow rate is further slowed down and more sufficient filtration can be achieved.

In order to form the first filtering channel a, the second filtering channel B and the hollow channel, the filter element structure of the present embodiment includes a filter cartridge 10, the filter cartridge 10 specifically includes a cartridge bottom 11, an outer cartridge 12, an inner cartridge 13 and an intermediate cartridge 14, the cartridge bottom 11 is an annular plate structure with an opening formed in the middle, the outer cartridge 12 and the inner cartridge 13 are respectively formed at the outer peripheral end and the inner peripheral end of the cartridge bottom 11, the outer cartridge 12 and the inner cartridge 13 can be integrally formed with the cartridge bottom 11, and the intermediate cartridge 14 is formed between the inner cartridge 13 and the outer cartridge 12. Wherein, a first filtering channel A with an annular cross section is defined between the middle cylinder 14 and the outer cylinder 12, a second filtering channel B with an annular cross section is defined between the middle cylinder 14 and the inner cylinder 13, water flowing out from the upper end of the second filtering channel B can flow out downwards along a water outlet channel formed in the middle of the inner cylinder 13, and a first hollow channel C is defined by the space between the first filtering channel A, the second filtering channel B and the cylinder bottom 11.

The intermediate drum 14 may be suspended above the drum bottom 11 by legs, or may be suspended above the drum bottom 11 by being connected to the inner drum 13 and/or the outer drum 12, or suspended above the drum bottom 11 by being connected to other structures. In order to simplify the structure, the intermediate cylinder 14 of the present embodiment is connected between the inner cylinder 13 and the outer cylinder 12 by the filter screens (30, 40), and the filter screens (30, 40) are used to support and connect the intermediate cylinder 14, specifically, the filter screen 30 for separating the first filtering channel a and the first hollow channel C and the filter screen 40 for separating the first hollow channel C and the second filtering channel B can be welded or clamped with the intermediate cylinder 14, and then the connected intermediate cylinder 14 and filter screens (30, 40) can be placed between the outer cylinder 12 and the inner cylinder 13, and in order to ensure that a set distance is formed between the intermediate cylinder 14 and the cylinder bottom 11, a support table for supporting the filter screens (30, 40) can be formed on the outer cylinder 12 and the inner cylinder 13.

In order to be conveniently applied to products such as a water kettle, a water cup and a water purifying device, the filter element structure of the present embodiment further includes a filter cover 20, the filter cover 20 is connected with the middle barrel 14 to define a second hollow channel D with the upper end of the second filter channel B, and specifically, an annular clamping groove clamped and matched with the top end of the middle barrel 14 is formed at the lower part of the filter cover 20. Because first hollow channel C, second hollow channel D are located second filtration passageway B's lower extreme, upper end respectively, consequently, under the low velocity of flow condition, the pressure differential also can realize unanimously between the upper end of every longitudinal section along second filtration passageway B flow direction, the lower extreme to be favorable to the further promotion of filtration efficiency.

In order to shield and protect the entire filter cartridge 10, the edge of the filter cover 20 of the present embodiment also extends to cover the first filtering channel a formed between the outer cylinder 12 and the middle cylinder 14. For the adaptive connection, the edge of the filter cover 20 is overlapped on the top end of the outer cylinder 12, and the lower part thereof is also formed with an annular extending edge which is inserted and matched with the outer cylinder 12. In order to achieve communication of the upper end of the first filtering passage with the outside without opening the filtering cover 20, a through hole 21 communicating with the first filtering passage a is formed on the filtering cover 20.

In order to realize effective filtration of different harmful substances in the water flow, in one embodiment, a plurality of filter material layers formed by filling different filter materials can be formed on the first filter channel A and the second filter channel B, and each filter material layer can be used for adsorbing and removing different harmful substances. Because the filter material is mostly particulate matter, in order to avoid the mutual doping of different kinds of filter materials, still can utilize filter screen 50 to separate adjacent filter material layer. As shown in fig. 1, in this embodiment, a first filtering channel a formed between the intermediate cylinder 14 and the outer cylinder 12 is filled with one filtering material layer, a second filtering channel B formed between the intermediate cylinder 14 and the inner cylinder 13 is filled with two filtering material layers, and the two filtering material layers in the second filtering channel B are separated by a filter screen 50.

In addition, in order to prevent the filtering material in the second filtering channel B from falling to the middle of the inner cylinder 13 from the upper end thereof, a filter screen 60 for separating the second filtering channel B from the second hollow channel D is connected between the middle cylinder 14 and the inner cylinder 13 in this embodiment.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A filter cartridge arrangement, comprising:

a first filtering channel used for filling filtering material and having an upper end and a lower end which are oppositely arranged,

a second filtering channel used for filling filtering material and having an upper end and a lower end which are oppositely arranged, wherein the upper end of the first filtering channel is higher than the second filtering channel,

and the first hollow channel is separated from the lower ends of the first filtering channel and the second filtering channel by a filter screen.

2. The filter cartridge arrangement of claim 1, comprising a filter cartridge comprising:

a cylinder bottom, wherein an opening is formed in the middle of the cylinder bottom,

an outer cylinder formed at an outer circumferential end of the cylinder bottom,

an inner cylinder formed at an inner peripheral end of the cylinder bottom,

an intermediate cylinder formed between the outer cylinder and the inner cylinder,

the first filtering channel is defined between the middle cylinder and the outer cylinder, the second filtering channel is defined between the middle cylinder and the inner cylinder, and the first hollow channel is defined between the first filtering channel and the cylinder bottom, and between the second filtering channel and the cylinder bottom.

3. The filter cartridge arrangement of claim 2, wherein the intermediate cartridge is connected between the inner and outer cartridges by the screen.

4. The filter cartridge arrangement of claim 2, including a filter cap connected to the intermediate cartridge and defining a second hollow passage with an upper end of the second filter passage.

5. The filter cartridge arrangement of claim 4, wherein the filter cover covers the first filter passage and is formed with a through hole communicating with the first filter passage.

6. The filter cartridge arrangement of claim 4, wherein the screen separating the second filtration channel from the second hollow channel is connected between the intermediate cartridge and the inner cartridge.

7. The filter cartridge arrangement of claim 1, wherein the first filter passage and/or the second filter passage includes a plurality of filter media layers formed from different filter media packs.

8. The filter cartridge arrangement according to claim 7 wherein adjacent filter media layers are separated by the filter screen.

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