CN217139549U

CN217139549U - Filter element assembly and filter element shell

Info

Publication number: CN217139549U
Application number: CN202123436145.0U
Authority: CN
Inventors: 潘锦赞; 邓文锋; 陈梦余
Original assignee: Guangdong Shuihudun Health Technology Co Ltd
Current assignee: Guangdong Shuihudun Health Technology Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-09
Anticipated expiration: 2031-12-30

Abstract

A filter element assembly comprising a filter element housing and a filter element filled in the filter element housing; the filter element shell comprises an outer shell, an inner shell and a connecting plate; the outer shell and the inner shell are fixedly arranged on the same side of the plate surface of the connecting plate, and the outer shell is sleeved outside the inner shell and is communicated with one end away from the connecting plate; a first through hole and a second through hole are formed in the surface of the connecting plate, and the first through hole is positioned between the outer shell and the inner shell; the inner shell surrounds the outer side of the second through hole, and liquid flows into and flows out of the filter element shell in opposite directions through the first through hole and the second through hole. In addition the utility model also provides a filter core shell. Compared with the prior art, the utility model discloses a filter element group spare and filter core shell can improve the filter effect.

Description

Filter element assembly and filter element shell

Technical Field

The utility model relates to a water purification technical field especially relates to a filter element group spare and filter core shell.

Background

Along with the rising of living standard, people have higher and higher requirements on water quality, in particular to drinking water. Water purifiers are also becoming increasingly popular. The technical core of the water purifier is a filter element. Tap water and the like flow into the filter element, and the filter element separates solid particles such as impurities or suspended matters and the like in water from fluid, so that clean drinking water is obtained.

In the prior art, the filtering mode of the filter element mainly adopts blocking or adsorption. Thus, the longer the water flow stays in the filter element, the better the filtering effect. In addition, the flow velocity of the water flow can also influence the filtering effect, and the too fast flow velocity can impact solid particles to enable the solid particles to fall off from the filter element and flow away along with the water flow. However, the filter element in the prior art generally adopts a straight-flow structure, and water directly flows in and out from the filter element from top to bottom, so that the water flow is fast, the impact force is large, solid particles easily flow out of the filter element along with the water flow, and the filtering effect is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a filter element group spare to improve filterable effect.

The utility model discloses a filter element group spare realizes through following technical scheme:

a filter element assembly comprising a filter element housing and a filter element filled in the filter element housing; the filter element shell comprises an outer shell, an inner shell and a connecting plate; the outer shell and the inner shell are fixedly arranged on the same side of the plate surface of the connecting plate, and the outer shell is sleeved outside the inner shell and is communicated with one end away from the connecting plate; a first through hole and a second through hole are formed in the surface of the connecting plate, and the first through hole is positioned between the outer shell and the inner shell; the inner shell surrounds the outer side of the second through hole, and liquid flows into and flows out of the filter element shell in opposite directions through the first through hole and the second through hole.

Compared with the prior art, the utility model discloses a flow path of filter element group spare is circuitous to prolonged the dwell time of liquid in the filter core, through the turning to of liquid flow, reduced the impact force of liquid moreover, reduced the condition that the granule was washed away, improved the filter effect.

Further, the device also comprises a cover body; the cover body covers one end, far away from the connecting plate, of the outer shell body, so that the filter element assembly can be conveniently opened to be cleaned.

Further, the height of the outer shell on the connecting plate is larger than that of the inner shell on the connecting plate, so that liquid can be turned at one end far away from the inlet, and impact force is reduced.

Further, in the direction from the connecting plate to the cover body, the distance between the outer shell and the inner shell is gradually reduced so as to improve the deposition effect of particles in the filter element.

Furthermore, the device also comprises a funnel-shaped flow guide part; the flow guide piece is inserted in the second through hole, the opening at the large end of the flow guide piece faces away from the connecting plate, and the outer side face of the flow guide piece is connected with the inner side face of the inner shell, so that the flow guide of liquid is realized, the turbulence is reduced, and the flow of the liquid is stabilized.

Furthermore, the utility model also provides a filter core shell, it realizes through following technical scheme:

a filter element shell comprises an outer shell body, an inner shell body and a connecting plate; the outer shell and the inner shell are fixedly arranged on the same side of the plate surface of the connecting plate, and the outer shell is sleeved outside the inner shell and is communicated with one end away from the connecting plate; a first through hole and a second through hole are formed in the connecting plate, and the first through hole is located between the outer shell and the inner shell; the inner housing surrounds the second through hole.

Compared with the prior art, the utility model discloses a filter core shell can prolong liquid at its inside dwell time, reduces the impact force, improves the filter effect.

Further, the height of the outer shell on the connecting plate is larger than that of the inner shell on the connecting plate, so that liquid is turned at a position far away from the inlet, and impact force is reduced.

Furthermore, the plug-in type electric connector also comprises an insertion block which is arranged on the plate surface of one side of the connecting plate back to the outer shell in a protruding mode; the inserting block is hollow and communicated with the second through hole so as to be conveniently inserted into the water purifying drinking machine.

Furthermore, the water conservancy diversion rib is located interior shell inner wall and follow the connecting plate extends to keeping away from the connecting plate direction to the flow of liquid is led, realizes the stationary flow.

Furthermore, along perpendicular to connecting plate face direction projection, the interior casing is close to the cross sectional area of connecting plate one end is less than it keeps away from the cross sectional area of connecting plate one end to guarantee that the liquid velocity of flow is stable.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of the overall structure of the filter element assembly of the present invention;

FIG. 2 is a cross-sectional elevation view of the filter element assembly of the present invention;

fig. 3 is a projection view of the filter element housing of the present invention projected along the direction B of fig. 2;

FIG. 4 is a cross-sectional elevation view of a cartridge housing in an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

fig. 6 is a cross-sectional elevation view of a cartridge housing in another embodiment of the invention.

Detailed Description

The utility model discloses a dwell time in filtering material of filter element group spare and filter core shell rivers is prolonged through circuitous water route to obtain better filter effect.

Specifically, referring to fig. 1 and 2, the filter element assembly of the present invention includes a cover 10, a filter element housing 20, and a filter element 30. The two ends of the filter element shell 20 are provided with openings, and the cover body 10 covers the opening at one end of the filter element shell 20. The cartridge 30 is filled in the cartridge housing 20. In this embodiment, the cover 10 and the filter element housing 20 are separate structures. In another embodiment, the cover 10 and the filter element housing 20 are integrally formed by 3D printing or the like.

The filter cartridge housing 20 includes an outer housing 21, an inner housing 22, and a connecting plate 23. The shell body 21 cover is established the interior casing 22 outside, shell body 21 with enclose into outer filtering area 211 between the interior casing 22, interior filtering area 221 is enclosed into to interior casing 22, filter core 30 is filled respectively in outer filtering area 211 with in the interior filtering area 221.

One ends of the outer shell 21 and the inner shell 22, which are far away from the cover body 10, are fixedly arranged on the same side plate surface of the connecting plate 23. The distance from one end of the inner casing 22 close to the cover 10 to the connecting plate 23 is smaller than the distance from one end of the outer casing 21 close to the cover 10 to the connecting plate 23, so that the outer casing 21 and the inner casing 22 communicate with each other on the side away from the connecting plate 23 to communicate the outer filtering area 211 with the inner filtering area 221.

Referring to fig. 3, the connecting plate 23 is provided with a first through hole 231 and a second through hole 232, the inner housing 22 is located between the first through hole 231 and the second through hole 232, the first through hole 231 is communicated with the outer filtering area 211, the second through hole 232 is communicated with the inner filtering area 221, and the liquid flows into and flows out of the filter element assembly in opposite directions. In the present embodiment, the first through hole 231 serves as a liquid inlet. The inner housing 22 surrounds the outside of the second through-hole 232 as a liquid outlet. Referring to FIG. 4, the direction of the arrows in the figure is the direction of the liquid flow. The liquid enters the cartridge housing 20 through the first through hole 231, flows between the outer housing 21 and the inner housing 22, and then flows into the inner housing 22 and flows out through the second through hole 232. Preferably, the outer shell 21 and the inner shell 22 are cylinders with openings at two ends, and the axes are overlapped with each other, and the axes of the outer shell 21 and the inner shell 22 are perpendicular to the plate surface of the connecting plate 23 facing the cover 10; the number of the first through holes 231 is 4, and the first through holes are uniformly distributed outside the inner shell 22 along the circumferential direction of the outer shell 21. In addition, the second through hole 232 may also be connected to a water supply pipe such that the second through hole 232 serves as a liquid inlet and the second through hole 232 serves as a liquid outlet.

Further, referring to fig. 5, the filter cartridge housing 20 further includes an insertion block 24. The inserting block 24 is a hollow cylinder with openings at two ends, is protrudingly disposed on a side plate surface of the connecting plate 23 opposite to the inner shell 22 and surrounds the second through hole 232, and one end of the inserting block far away from the connecting plate 23 is connected with a water inlet (not shown) of the water purifying dispenser.

In this embodiment, the insertion block 24 is provided at its outer side with a locking portion 241 protruding along its radial direction and surrounding its outer periphery, and the locking portion 241 is pressed against the water inlet to lock the filter element assembly to the water purifier. Further, a sealing ring 242 is further sleeved outside the insertion block 24, and the sealing ring 242 is located between the engaging portion 241 and the connecting plate 23 for sealing. Further, a guide block 243 is convexly arranged on the outer side of one end, away from the connecting plate 23, of the inserting block 24, and a convex block is arranged at the water inlet and clamped between the guide block 243 and the clamping part 241. The guide block 243 extends circumferentially along the insertion block 24, two ends of the guide block are respectively a front end 2431 and a rear end 2432, the front end 2431 is a triangular pyramid with a vertex located on the outer edge of one end of the insertion block 24 far away from the connecting plate 23, and the bottom surface of the guide block faces the rear end 2432, so that the water inlet can be clamped in.

In another embodiment, the insert block 24 is externally threaded and is threadably connected to a clean drink machine.

Further, the filter element housing 20 further includes a flow guide rib 25 protruding on an inner wall surface of the inner housing 22. The flow guiding ribs 25 extend from the connecting plate 23 toward the cover 10 to guide the liquid entering the inner filtering area 221 to the second through holes 232, so as to prevent the water from flowing into the inner housing 22 from the periphery of the opening of the inner housing 22 and from generating turbulence to affect the water outlet, and stabilize the water flow. In this embodiment, the extending direction of the flow guiding ribs 25 is perpendicular to the plate surface of the connecting plate 23 facing the cover 10, and the number of the flow guiding ribs 25 is 4, and the flow guiding ribs 25 are uniformly distributed along the inner circumferential direction of the inner housing 22 along the projection perpendicular to the connecting plate 23 direction.

Further, the cartridge assembly also includes a flow guide 40. The cartridge housing 20 also includes a mounting portion 26. The mounting portion 25 is protrudingly provided on the surface of the connecting plate 23 and at the same side as the inner casing 22. The inner housing 22 surrounds the mounting portion on the outside. The second through hole 232 penetrates through the mounting portion 25 to communicate the inner filtering area 221 with the insertion block 24. The inner housing 22 surrounds the mounting portion 26. The flow guide member 40 is funnel-shaped, and the large end thereof is opened toward the cover 10 and the outer side thereof is connected to the inner side of the inner housing 22. The flow guide member 40 is inserted into the second through hole 232 and covers the second through hole 232, and the liquid in the inner filtering area 221 can be guided to the second through hole 232 through the flow guide member 40 and flows into the insertion block 24 to stabilize the flow.

Further, referring to fig. 6, in the direction from the cover 10 to the connecting plate 23 in the axial projection of the inner housing 22, the cross-sectional area of the inner housing 22 is gradually decreased, and the cross-sectional area of the side close to the cover 10 is larger than the cross-sectional area of the side close to the connecting plate 23, so as to ensure that the liquid flows out at a stable speed. Meanwhile, in the direction in which the connecting plate 23 points to the cover 10, the distance between the inner shell 22 and the outer shell 21 is gradually reduced, so that solid particles in the liquid can stay in the outer filtering area 211, and the turbulence of the liquid after entering the inner shell 22 is reduced.

Compared with the prior art, the utility model discloses filter element group spare and filter core shell can prolong the dwell time of liquid in the filter core, and reduce the impact force of liquid to reduce the condition that the granule was washed away, improve the filter effect. And the interior of the box body can be cleaned as required. The installation is convenient in the water purifying drinking machine, the water flow and the flow speed are stable, and the turbulent flow is less.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A filter element assembly comprising a filter element housing and a filter element filled in the filter element housing; the method is characterized in that: the filter element shell comprises an outer shell, an inner shell and a connecting plate; the outer shell and the inner shell are fixedly arranged on the same side of the plate surface of the connecting plate, and the outer shell is sleeved outside the inner shell and is communicated with one end away from the connecting plate; a first through hole and a second through hole are formed in the surface of the connecting plate, and the first through hole is positioned between the outer shell and the inner shell; the inner shell surrounds the outer side of the second through hole, and liquid flows into and flows out of the filter element shell in opposite directions through the first through hole and the second through hole.

2. The filter element assembly according to claim 1, wherein: the device also comprises a cover body; the cover body covers one end, far away from the connecting plate, of the outer shell.

3. The filter element assembly according to claim 1, wherein: the height of the outer shell on the connecting plate is larger than that of the inner shell on the connecting plate.

4. The filter element assembly according to claim 2, wherein: the distance between the outer shell and the inner shell gradually decreases from the connecting plate to the cover body.

5. The filter element assembly according to claim 1, wherein: the device also comprises a funnel-shaped flow guide part; the flow guide piece is inserted in the second through hole, the opening at the large end of the flow guide piece faces away from the connecting plate, and the outer side face of the flow guide piece is connected with the inner side face of the inner shell.

6. A filter cartridge housing, comprising: comprises an outer shell, an inner shell and a connecting plate; the outer shell and the inner shell are fixedly arranged on the same side of the plate surface of the connecting plate, and the outer shell is sleeved outside the inner shell and is communicated with one end away from the connecting plate; a first through hole and a second through hole are formed in the connecting plate, and the first through hole is located between the outer shell and the inner shell; the inner housing surrounds the second through hole.

7. The cartridge housing of claim 6, wherein: the height of the outer shell on the connecting plate is larger than that of the inner shell on the connecting plate.

8. The cartridge housing of claim 7, wherein: the inserting block is arranged on the plate surface of one side of the connecting plate back to the outer shell in a protruding mode; the inserting block is hollow and communicated with the second through hole.

9. The cartridge housing of claim 7, wherein: also comprises a flow guide rib; the flow guide ribs are positioned on the inner wall of the inner shell and extend from the connecting plate to the direction far away from the connecting plate.

10. The cartridge housing of claim 6, wherein: along perpendicular to connecting plate face direction projection, the cross sectional area that interior casing is close to connecting plate one end is less than it keeps away from the cross sectional area of connecting plate one end.