CN115253404A

CN115253404A - Kettle and filter element

Info

Publication number: CN115253404A
Application number: CN202110481282.1A
Authority: CN
Inventors: 邹志斌
Original assignee: Shuidi Environmental Protection Technology Qingdao Co ltd
Current assignee: Shuidi Environmental Protection Technology Qingdao Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-11-01

Abstract

The water kettle comprises a filter element and an inner container. The filter core includes the upper cover of pedestal, sealing connection in the pedestal and is located the inside filter material of pedestal. The filter element is cup-shaped and comprises a peripheral wall and a base body bottom wall connected with the peripheral wall. The middle part of the bottom wall of the seat body is inwards sunken to form a notch part, an inner hole is formed in the upper bottom of the notch part, a water passing part is arranged on the outer side of the top end part of the peripheral wall along the circumferential direction, and a bottom opening is formed in the bottom wall of the seat body. The inner container comprises a cup seat and a water delivery device integrally formed on the upper portion of the cup seat, the cup seat comprises a cup body and a water outlet device arranged on the bottom wall of the cup body, the filter element is contained in the cup body, a side flow channel is formed between the seat body of the filter element and the cup body, the water outlet device is inserted into the notch portion, the seat body bottom wall of the filter element and the cup body bottom wall of the cup seat form an under flow channel communicated with the side flow channel, the water delivery device is communicated with the water passing portion, and the water outlet device is connected with the seat body bottom wall of the filter element in a sealing mode. The water to be filtered enters the filter element through the side flow channel, the bottom flow channel and a bottom opening on the base of the base body, flows filter materials upwards from the bottom of the filter element under the action of pressure and converges towards the middle to enter the cylinder body, and flows out of the cup base through the waterway channel of the valve body.

Description

Kettle and filter element

Technical Field

The invention relates to the technical field of water filtration, in particular to a kettle and a filter element.

Background

At present, trompil on the filter core on the market adopts more, the filter media is in the casing of filter core, the delivery port is in the casing bottom, water flows in the casing from filter core top trompil, the filter media flows through the gravity of water, from the outflow of bottom trompil, play filterable effect, this kind of mode is because water velocity is fast, the filter media is poor, the filter media uses through a period and can form and harden, in addition the air of aquatic rises and forms the bubble at last trompil easily, reduce the inflow of rivers income filter core.

Disclosure of Invention

The invention mainly aims to provide a kettle. This kettle can be with waiting to cross the water filter and impress the filter core and improve the filter effect from the middle part discharge of filter core from the filter core bottom, avoids the filter media to form and hardens.

In order to achieve the purpose, the invention adopts the following technical scheme:

according to one aspect of the present invention, a water jug is provided, the jug including a filter element and a liner. The filter element comprises a base body, an upper cover connected with the base body in a sealing mode and a filter material positioned in the base body. The filter element is cup-shaped and comprises a peripheral wall and a base body bottom wall connected with the peripheral wall. The middle of the bottom wall of the seat body is inwards sunken to form a notch part, an inner hole is formed in the upper bottom of the notch part, a water passing part is arranged on the outer side of the top end part of the peripheral wall along the circumferential direction, and a bottom opening is formed in the bottom wall of the seat body. The inner container comprises a cup seat and a water delivery device integrally formed on the upper portion of the cup seat, the cup seat comprises a cup body and a water outlet device arranged on the bottom wall of the cup body, the filter element is contained in the cup body, a side flow channel is formed between the seat body of the filter element and the cup body, the water outlet device is inserted into the notch portion, a bottom flow channel communicated with the side flow channel is formed between the seat body bottom wall of the filter element and the cup body bottom wall of the cup seat, the water delivery device is communicated with the water passing portion, and the water outlet device is hermetically connected with the seat body bottom wall of the filter element. The water to be filtered enters the filter element through the side flow passage, the bottom flow passage and the bottom opening on the base of the base body, flows filter materials upwards from the bottom of the filter element under the action of pressure, converges towards the middle, enters the cylinder and flows out of the cup base through the waterway passage of the valve body.

According to one embodiment of the invention, the water outlet device is a valve body, the valve body comprises a valve seat fixedly connected to the bottom of the cup seat and a valve core embedded in the valve seat, and a water outlet channel is formed between the valve core and the valve seat.

According to an embodiment of the invention, the water kettle further comprises a barrel body with openings at two ends, the barrel body is arranged on the notch part, the to-be-filtered water flows upwards through the filter material from the bottom of the filter element under the action of pressure and converges towards the middle to enter the barrel body and then enters the notch part through the inner hole on the notch part, and a support filter sheet for supporting the filter material and allowing the filtered water to pass is fixedly connected to the upper opening of the barrel body.

According to an embodiment of the present invention, the water bottle further includes protruding strips disposed on two sides of the water outlet device, and the protruding strips support the filter element, so that the bottom wall of the filter element and the bottom wall of the cup body form a bottom flow channel communicated with the side flow channel.

According to another aspect of the present invention, a filter cartridge is provided. The filter element comprises a base body, an upper cover connected with the base body in a sealing mode and a filter material located inside the base body. The filter element is cup-shaped and comprises a peripheral wall and a base body bottom wall connected to the peripheral wall, the middle of the base body bottom wall is inwards sunken to form a notch part, an inner hole is formed in the upper bottom of the notch part, a water passing part is arranged on the outer side of the top end part of the peripheral wall along the circumferential direction, and a bottom opening is formed in the base body bottom wall.

According to an embodiment of the present invention, a sealing structure surrounding the inner hole is further disposed on the bottom wall of the seat body.

According to an embodiment of the invention, the sealing structure comprises a sealing ring, a sealing ring pressing plate and a mounting groove which is arranged at the bottom of the filter element and is arranged around the notch, and the sealing ring pressing plate fixedly connects the sealing ring to the mounting groove at the bottom of the filter element so as to seal a gap between the filter element and the water outlet device.

According to an embodiment of the present invention, the sealing ring and the sealing ring pressing plate are both circular ring structures, at least one through hole is provided on the sealing ring, and at least one cylindrical protrusion is provided on the sealing ring pressing plate corresponding to the at least one through hole, wherein the at least one cylindrical protrusion passes through the at least one through hole and is fixedly connected to the bottom of the filter element.

According to one embodiment of the invention, a convex edge is arranged on the outer side of the top end part of the peripheral wall along the circumferential direction, the convex edge is used for being connected with the cup body, the convex edge is provided with the water passing part, and the water passing part leads to a side flow channel formed by the cup seat and the side wall of the filter element and is communicated with the bottom opening.

According to an embodiment of the present invention, the top end portion of the peripheral wall has an oval structure, the number of the water passing portions is 4, and the water passing portions are symmetrically arranged with respect to the center of the top end portion of the peripheral wall, the bottom wall of the housing has an oval structure, and the number of the bottom openings is 4, and the water passing portions are symmetrically arranged with respect to the center of the bottom wall of the housing and communicate the filter element and the cup holder.

One embodiment of the above invention has the following advantages or benefits:

the water kettle comprises two parts of a filter element and an inner container, wherein a water passing part is formed on the top end of the peripheral wall of a seat body of the adjacent filter element without the outer side and is communicated with a side flow channel formed by the cup seat and the side wall of the filter element through the water passing part, a bottom flow channel is formed by the bottom wall of the seat body of the filter element and the bottom wall of the cup body of the cup seat, a bottom opening is formed in the bottom wall of the seat body of the filter element so as to be communicated with the bottom flow channel, a notch part of the bottom wall of the seat body is not contacted with the upper part of the seat body and is communicated with the inside of the seat body, filtered water enters a water outlet device from the inside of the seat body through the notch part and finally flows out of the cup seat body, and the water outlet device is connected with the bottom wall of the seat body in a sealing manner, so that an S-shaped water flow path is formed. Because thereby rivers form the torrent from the bottom flow to the top of filter core under the effect of pressure, the filter material that has improved the filter effect of filter material also prevents that the straight-flow water from leading to hardens.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is an exploded view of a filter cartridge according to an exemplary embodiment.

Fig. 2 is a top view of a water filtering device according to an exemplary embodiment.

FIG. 3 isbase:Sub>A cross-sectional view taken along the line A-A in FIG. 2, according to an exemplary embodiment.

Fig. 4 is an enlarged view of portion B of fig. 3, shown in accordance with an exemplary embodiment.

Fig. 5 is a schematic view of a liner shown according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a filter element; 10. supporting the filter disc; 11. a base body; 12. an upper cover; 13. filtering the material; 14. a barrel; 15. a convex edge; 16. a water passing part; 17. the bottom wall of the seat body; 18. a bottom opening; 19. a filter disc; 2. a cup holder; 21. a cup body; 211. the bottom wall of the cup body; 22. a valve body; 221. a valve seat; 222. a valve core; 223. a water outlet waterway; 23. a raised strip; 3. a water delivery device; 4. a seal ring; 41. a through hole; 5. a seal ring pressing plate; 51. a cylindrical bulge; 6. an inner container.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a", "an", "the", "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 4, fig. 1 shows an exploded view of a filter cartridge 1 according to the invention. Fig. 2 shows a top view of a water filtering device according to the invention. Fig. 3 showsbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 2 according to the present invention. Fig. 4 shows an enlarged view of portion B of fig. 3 provided by the present invention. Figure 5 shows a schematic view of the liner 6 provided by the present invention.

The water kettle provided by the invention comprises a filter element 1 and an inner container 6. The filter element 1 comprises a base body 11, an upper cover 12 hermetically connected with the base body 11 and a filter material 13 positioned inside the base body 11. The filter element 1 is cup-shaped and comprises a peripheral wall and a base body bottom wall 17 connected with the peripheral wall. The middle part of the bottom wall 17 of the seat body is inwards sunken to form a notch part, the upper bottom of the notch part is provided with an inner hole, the outer side of the top end part of the peripheral wall is provided with a water passing part 16 along the axial direction, and the bottom wall 17 of the seat body is provided with a bottom opening 18. The inner container 6 comprises a cup base 2 and a water delivery device 3 integrally formed at the upper part of the cup base 2. The cup holder 2 comprises a cup body 21 and a water outlet device arranged on the bottom wall 211 of the cup body. The filter element 1 is accommodated in the cup body 2. A side flow passage is formed between the seat body 11 and the cup body 21 of the filter element 1. The water outlet device is inserted into the notch part. The base body bottom wall 17 of the filter element 1 and the cup body bottom wall 211 of the cup base 2 form a bottom flow channel communicated with the side flow channel. The water to be filtered enters the filter element 1 through the side flow passage, the bottom flow passage and the bottom opening 18 on the base 17 of the base body, flows the filter material 13 upwards from the bottom of the filter element 1 under the action of pressure, converges towards the middle, enters the notch part, and flows out of the cup base 2 through the waterway passage 223 of the water outlet device.

As shown in fig. 1 to 5, the X-axis represents the horizontal direction and the Y-axis represents the vertical direction. The periphery and the bottom of the seat body 11 of the filter element 1 are closed, and the upper part is opened. Preferably, the housing 11 is a hollow rectangular parallelepiped. The upper part is closed by an upper cover 12. Preferably, the upper cover 12 is provided with an air outlet hole so as to separate inlet water and outlet air, i.e., gas-liquid separation. The filter material 13 is located inside the base 11 and is disposed in the space inside the base 11, preferably, filling the space. The notch portion extends upward from the inner bottom of the holder body 11 without contacting the upper cover 12. The recess portion is preferably located in the middle of the base bottom wall 17. The water passing part 16 communicates with a passage formed by the cup holder 2 and the side wall of the filter element 1. The bottom opening 18 communicates the interior of the housing body 11 of the filter cartridge 1 with a side flow passage formed by the housing body bottom wall 17 of the filter cartridge 1 and the cup body bottom wall 211 of the cup housing 2. The upper part of the notch part is communicated with the inside of the seat body 11. The filtered water flows into the recess and into the outlet and flows out of the cup holder 2 through the outlet' S waterway 223 to form an S-shaped waterway. The water to be filtered entering the filter element 1 has gravity to form a certain water pressure, and under the action of the pressure, the water to be filtered flows upward from the lower part of the seat body 11 of the filter element 1 to form a turbulent flow on the filter material 13, so that the filtering effect of the filter material 13 is improved, and the hardening of the filter material 13 caused by direct flow water is also prevented. A filter sheet 19 is provided between the convex edge 15 of the peripheral wall of the seat body 11 and the upper edge of the cup body 21 for primarily filtering the water and allowing the water to be filtered to enter the side flow passage through the water passing part 16.

In a preferred embodiment of the present invention, the water outlet device is a valve body 22, the valve body 22 includes a valve seat 221 fixed to the bottom of the cup holder 2 and a valve core 222 embedded in the valve seat 221, and a water outlet channel 223 is formed between the valve core 222 and the valve seat 221.

As shown in fig. 3 to 4, the position of the valve body 22 corresponds to the position of the notch portion into which the valve body 22 can be inserted. The spool 222 may rotate up. In the initial position of the valve element 222, the outlet water path 223 is closed. When the outlet water path 223 needs to be opened, the valve element 222 needs to be rotated upward so that the valve element 222 and the valve seat 221 form a passage, i.e., the outlet water path 223.

In a preferred embodiment of the invention, the water kettle further comprises a cylinder body 14 with two open ends, the cylinder body 14 is arranged on the notch part, and the water to be filtered flows upward from the bottom of the filter element 1 under the action of pressure, converges towards the middle, enters the cylinder body 14 and then enters the notch part through an inner hole on the notch part; the upper opening of the cylinder 14 is fixedly connected with a supporting filter disc 10 which supports the filter material 13 and allows filtered water to pass through.

As shown in fig. 1 and 3, the cylinder 14 functions as an extension of the notch portion. The distance between the cylinder 14 and the upper cover 12 of the filter element 1 is a certain distance, which not only ensures that the seat body 11 of the filter element 1 is not separated into two independent parts, but also ensures that the water to be filtered contacts the filter material 13 as much as possible after entering the seat body 11, thereby realizing better filtering effect. The support filter sheet 10 supports the filter material 13 and prevents the filter material 13 from entering the notch. But also allows filtered water to pass therethrough into the recess. Preferably, the support filter sheet 10 is a nonwoven sheet. Preferably, the nonwoven fabric sheet is welded to the upper opening of the can 14 or embedded in a circumferential recess of the upper opening of the can 14 when the wall of the upper opening of the can 14 has a circumferential recess.

In a preferred embodiment of the present invention, the water bottle further comprises a protruding strip 23 disposed at both sides of the water outlet device, the protruding strip 23 supports the filter element 1, such that the base body bottom wall 17 of the filter element 1 and the cup body bottom wall 211 of the cup base 2 form a bottom flow passage communicated with the side flow passage.

The protruding strips 23 are respectively arranged at two sides of the water outlet device and are splayed protruding strips 23. Can stably support the filter element 1 and hold the filter element 1 up to keep a certain distance with the bottom wall 211 of the cup seat.

The filter element 1 provided by the invention comprises a base body 11, an upper cover 12 hermetically connected with the base body 11 and a filter material 13 positioned in the base body 11. The base body 11 is cup-shaped and includes a peripheral wall and a base body bottom wall 17 connected to the peripheral wall. The middle part of the bottom wall 17 of the seat body is inwards sunken to form a notch part, the upper bottom of the notch part is provided with an inner hole, the outer side of the top end part of the peripheral wall is provided with a water passing part 16 along the axial direction, and the bottom wall 17 of the seat body is provided with a bottom opening 18.

As shown in fig. 1 to fig. 3, the water passing portion 16 and the bottom opening 18 of the filter element 1 cooperate with each other, so that the water to be filtered outside the filter element 1 enters the part outside the filter element 1 from the water passing portion under the action of pressure, and enters the filter element 1 through the bottom opening 18 after flowing at the bottom of the flow passage, and then the filtered water flows from bottom to top in the filter element 1, which is beneficial to forming a turbulent flow in the filter element 1 to enhance the filtering effect.

In a preferred embodiment of the present invention, the bottom wall 17 of the housing is further provided with a sealing structure surrounding the inner hole.

As shown in fig. 3 to 4, the seal structure prevents water from flowing into the filter cartridge 1 from the inner hole of the recess portion.

In a preferred embodiment of the present invention, the sealing structure comprises a sealing ring 4, a sealing ring pressing plate 5 and a mounting groove arranged at the bottom of the filter element 1 around the notch portion, wherein the sealing ring pressing plate 5 fixedly connects the sealing ring 4 to the mounting groove at the bottom of the filter element 1 to seal a gap between the filter element 1 and the water outlet device.

As shown in fig. 1, 3 to 4, the mounting groove is located at the bottom of the filter element 1 and extends outwards from the water outlet device to the outside beyond the notch part. Hardly guarantee between water installation and the notch part that there is not the space completely, set up sealing washer 4 in here and play sealed effect, sealing washer clamp plate 5 plays the fixed action, is fixed in the mounting groove with sealing washer 4.

In a preferred embodiment of the present invention, the sealing ring 4 and the sealing ring pressing plate 5 are both circular ring structures, at least one through hole 41 is provided on the sealing ring 4, at least one cylindrical protrusion 51 is provided on the sealing ring pressing plate 5 corresponding to the at least one through hole 41, wherein the at least one cylindrical protrusion 51 passes through the at least one through hole 41 and is fixedly connected to the bottom of the filter element 1.

As shown in fig. 1, 3 to 4, the mounting groove is a circumferential groove. The sealing ring 4 seals the gap between the notch part and the water outlet device. The sealing ring 4 is provided with a plurality of through holes 41, the sealing ring pressing plate 5 is provided with corresponding cylindrical protrusions 51, and the cylindrical protrusions 51 are inserted into the through holes 41 and then fixedly connected to the bottom of the cup base 2 to realize the sealing fixation of the sealing ring 4. The fixing mode can be welding or thread connection.

In a preferred embodiment of the invention, a convex edge 15 is arranged on the outer side of the top end part of the peripheral wall along the circumferential direction, the convex edge 15 is used for connecting with a cup body 21, a water passing part 16 is arranged on the convex edge 15, and the water passing part 16 leads to a side flow channel formed by the cup seat 2 and the side wall of the filter element 1 and is communicated with the bottom opening 18.

As shown in fig. 3, the flange 15 is sealingly connected to the cup body 21 in the circumferential direction. Thereby ensuring that the flange 15 is sealed with the cup body 21 except for the overflowed water portion 16.

In a preferred embodiment of the present invention, the top end portion of the peripheral wall has an oval structure, the number of the water passing portions 16 is 4, and the water passing portions are symmetrically arranged with respect to the center of the top end portion of the peripheral wall, the base wall 17 of the base body 11 has an oval structure, and the number of the bottom openings 18 is 4, and the filter cartridge 1 and the cup holder 2 are symmetrically arranged with respect to the center of the base wall 17 of the base body.

As shown in fig. 1 to 3, the water passing portions 16 are symmetrically arranged with respect to the center of the ellipse near both sides of the tip end portion of the peripheral wall. And the water passing portion 16 is similar to a notch. The bottom openings 18 are also provided on both sides of the bottom wall 17 of the housing body, symmetrically arranged with respect to the center of the bottom wall 17 of the housing body. The filter element 1 is erected, and the base body bottom wall 17 of the filter element 1 and the cup body bottom wall 211 of the cup base 2 form a bottom flow passage. So that the water to be filtered, under the effect of pressure, enters the seat 11 of the cartridge 1 through this bottom opening 18.

The water filtering device comprises a filter element 1 and a cup seat 2, wherein a water passing part 16 is arranged on a convex edge 15 of a seat body 11 of the filter element 1 and is communicated with a side flow channel formed by the cup seat 2 and the side wall of the filter element 1 through the water passing part 16, a bottom flow channel is formed by a seat body bottom wall 17 of the filter element 1 and a cup body bottom wall 211 of the cup seat 2, a bottom opening 18 is arranged on the seat body bottom wall 17 of the filter element 1 to be communicated with the bottom flow channel, a cylinder body 14 is arranged on a concave opening part of the seat body bottom wall 17, the cylinder body 14 is not contacted with the upper part of the seat body 11 and is communicated with the inside of the seat body 11, and filtered water enters a valve body 22 from the inside of the seat body 11 through the cylinder body 14 and flows out of the cup seat 2, so as to form an S-shaped water flow path. Because thereby rivers form the torrent from the bottom of filter core 1 to the top under the effect of pressure, improved filter material 13's filter effect and also prevented the filter material 13 that the straight-flow water leads to and hardened. The upper cover 12 is provided with a vent hole, and the vent hole and the water inlet hole are different holes, so that gas-liquid separation is realized.

In the present embodiments, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the appearances of the phrase "one embodiment," "a preferred embodiment," or the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention embodiments. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims

1. A water jug, comprising:

the filter element comprises a seat body, an upper cover connected with the seat body in a sealing way and a filter material positioned in the seat body, the filter element is cup-shaped and comprises a peripheral wall and a seat body bottom wall connected with the peripheral wall, the middle part of the seat body bottom wall is inwards sunken to form a notch part, the upper bottom of the notch part is provided with an inner hole, the outer side of the top end part of the peripheral wall is provided with a water passing part along the circumferential direction, and the seat body bottom wall is provided with a bottom opening; and

the inner container comprises a cup seat and a water delivery device integrally formed at the upper part of the cup seat, the cup seat comprises a cup body and a water outlet device arranged on the bottom wall of the cup body, the filter element is accommodated in the cup body, a side flow channel is formed between the seat body of the filter element and the cup body, the water outlet device is inserted into the notch part, a bottom flow channel communicated with the side flow channel is formed between the seat body bottom wall of the filter element and the cup body bottom wall of the cup seat, the water delivery device is communicated with the water passing part, and the water outlet device is hermetically connected with the seat body bottom wall of the filter element;

the water to be filtered enters the filter element through the side flow passage, the bottom flow passage and the bottom opening on the base body base, flows upwards through the filter material from the bottom of the filter element under the action of pressure, is converged towards the middle and enters the notch part, and flows out of the cup base through the waterway passage of the water outlet device.

2. The kettle of claim 1, wherein the water outlet device is a valve body, the valve body comprises a valve seat fixedly connected to the bottom of the cup seat and a valve core embedded in the valve seat, and a water outlet channel is formed between the valve core and the valve seat.

3. The water kettle as claimed in claim 1, further comprising a barrel body with openings at two ends, wherein the barrel body is arranged on the notch portion, the water to be filtered flows upward from the bottom of the filter element through the filter material under the action of pressure and converges towards the middle to enter the barrel body and then enters the notch portion through the inner hole on the notch portion, and a support filter sheet for supporting the filter material and allowing the filtered water to pass is fixedly connected to the upper opening of the barrel body.

4. The pitcher of claim 1, further comprising raised strips disposed on both sides of the outlet, the raised strips supporting the filter element such that the bottom wall of the filter element and the bottom wall of the cup body form a bottom flow channel in communication with the side flow channel.

5. A filter cartridge, comprising: pedestal, sealing connection in the upper cover of pedestal with be located the inside filter material of pedestal, wherein, the filter core is cup-shaped, including the perisporium with connect in the pedestal diapire of perisporium, the middle part of pedestal diapire is inwards sunken to form notch portion, the upper end of notch portion has the hole, the perisporium top portion outside is equipped with water portion along circumference, be equipped with the bottom outlet on the pedestal diapire.

6. The filter cartridge of claim 5, wherein the bottom wall of the housing body is further provided with a sealing structure surrounding the inner hole.

7. The kettle of claim 6, wherein the sealing structure comprises a sealing ring, a sealing ring pressing plate and a mounting groove arranged at the bottom of the filter element and surrounding the notch, the sealing ring pressing plate fixedly connects the sealing ring to the mounting groove at the bottom of the filter element to seal the gap between the filter element and the water outlet device.

8. The kettle of claim 7, wherein said sealing ring and said sealing ring pressing plate are both circular ring structures, at least one through hole is provided on said sealing ring, and at least one cylindrical protrusion is provided on said sealing ring pressing plate corresponding to said at least one through hole, wherein said at least one cylindrical protrusion passes through said at least one through hole and is fixedly connected to said filter element bottom.

9. The filter element of claim 5, wherein a convex edge is arranged on the outer side of the top end part of the peripheral wall along the circumferential direction, the convex edge is used for being connected with the cup body, the convex edge is provided with the water passing part, and the water passing part leads to a side flow passage formed by the cup seat and the side wall of the filter element and is communicated with the bottom opening.

10. The filter element according to claim 9, wherein the top end portion of the peripheral wall is in an oval structure, the number of the water passing portions is 4, and the water passing portions are symmetrically arranged relative to the center of the top end portion of the peripheral wall, the bottom wall of the housing body is in an oval structure, the number of the bottom openings is 4, and the bottom openings are symmetrically arranged relative to the center of the bottom wall of the housing body and communicate the filter element with the cup holder.