CN218890206U - Composite filter element and water purification system - Google Patents
Composite filter element and water purification system Download PDFInfo
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- CN218890206U CN218890206U CN202223524713.7U CN202223524713U CN218890206U CN 218890206 U CN218890206 U CN 218890206U CN 202223524713 U CN202223524713 U CN 202223524713U CN 218890206 U CN218890206 U CN 218890206U
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Abstract
The utility model discloses a composite filter element and a water purification system, wherein the composite filter element comprises a filter flask, a partition piece, a first end cover and a second end cover, the filter flask is provided with an upper end surface and a lower end surface, the filter flask is provided with a first opening on the upper end surface, and the filter flask is provided with a second opening on the lower end surface; the separating piece is arranged in the filter flask and is used for separating the filter flask into an upper cavity and a lower cavity, the upper cavity is communicated with the first opening, and the lower cavity is communicated with the second opening; a first end cap for covering the first opening; the first end cover is provided with a first welding part, the first welding part is positioned at one side of the first end cover, which is close to the filter flask, and the first welding part is used for welding connection with the filter flask; and a second end cap for covering the second opening; the second end cover is provided with a second welding part, the second welding part is positioned on one side of the second end cover, which is close to the filter flask, and the second welding part is used for being welded and connected with the filter flask.
Description
Technical Field
The utility model relates to the technical field of water purification, in particular to a composite filter element and a water purification system.
Background
The composite filter element of the market water purifier adopts a single-side welded structural design, the composite filter element designed by the structural design is usually formed by sleeving a layer of filter material outside a layer of filter material, an internal water flow channel between two layers of filter materials is formed by separating internal plastic pieces, the internal plastic pieces occupy more space, the utilization rate is low, and the pressure-bearing effect is poor, so that the internal parts are eccentric and poor in water penetration is easily caused.
Disclosure of Invention
The utility model mainly aims to provide a composite filter element, and aims to solve the technical problems that the existing composite filter element is poor in water connection due to the fact that the space occupation of an inner plastic part is large, the utilization rate is low, the pressure-bearing effect is poor, and the inner part is eccentric easily.
In order to achieve the above object, the present utility model provides a composite filter element, which includes:
the filter flask is provided with an upper end face and a lower end face, a first opening is formed in the upper end face of the filter flask, and a second opening is formed in the lower end face of the filter flask;
the separating piece is arranged in the filter flask and is used for separating the filter flask into an upper cavity and a lower cavity, the upper cavity is communicated with the first opening, and the lower cavity is communicated with the second opening;
a first end cap for covering the first opening; the first end cover is provided with a first welding part, the first welding part is positioned at one side of the first end cover, which is close to the filter flask, and the first welding part is used for welding connection with the filter flask; and
a second end cap for covering the second opening; the second end cover is provided with a second welding part, the second welding part is positioned on one side of the second end cover, which is close to the filter flask, and the second welding part is used for being welded and connected with the filter flask.
In an embodiment, the first welding part/the second welding part is a convex ring protruding out of the first end cover/the second end cover, and the filter flask is provided with a clamping groove matched with the first welding part/the second welding part at the first opening/the second opening.
In an embodiment, the first welding part/second welding part comprises a first ring body, a second ring body and a third ring body, wherein the first ring body, the second ring body and the third ring body are arranged at intervals along the radial direction of the filter flask, and annular grooves are formed between the second ring body and the third ring body;
the filter bottle is further provided with a protruding part at the first opening/second opening, the protruding part is positioned at the outer side of the clamping groove, the protruding part protrudes into the annular groove, and the third ring body protrudes into the clamping groove; at least the outer peripheral wall of the third ring body is welded with the inner peripheral wall of the clamping groove.
In an embodiment, the length of the third ring body is greater than the length of the first ring body in the axial direction of the filter flask.
In one embodiment, the inner side of the protruding part is provided with a avoiding groove.
In an embodiment, the first end cover/the second end cover is provided with a rotation stopping rib at the inner side of the first welding part/the second welding part; the filter bottle is provided with a rotation stopping ring matched with the rotation stopping rib at a position close to the first opening. Thus, when the second end cover is welded with the filter flask,
in an embodiment, the anti-rotation rib extends in a radial direction of the first/second end caps.
In an embodiment, the number of the anti-rotation ribs is a plurality, and the anti-rotation ribs are arranged at intervals along the circumferential direction of the first end cover/the second end cover.
In one embodiment, the separator is integrally formed with the filter flask.
The utility model also provides a water purification system which comprises the composite filter element in any embodiment.
According to the technical scheme, the filter materials of the composite filter element are placed in an up-down arrangement mode, so that an upper cavity and a lower cavity capable of placing the filter materials are formed, and the upper cavity and the lower cavity are separated by the partition piece, so that two or more filter materials can be placed respectively. And the sealing of the composite filter element is completed by adopting welding and sealing at two ends, so that the problems that the internal water flow channel between two layers of filter materials is formed by separating internal plastic pieces, the space occupation of the internal plastic pieces is more, the utilization rate is low, the pressure-bearing effect is poor, and the internal parts are eccentric and poor in water connection are easily caused are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a composite filter element according to an embodiment of the present utility model;
FIG. 2 is a partial exploded view of FIG. 1;
FIG. 3 is a schematic view of the second end cap of FIG. 2;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of the second end cap of FIG. 1 after being hidden;
FIG. 6 is a cross-sectional view of the filter flask of FIG. 1;
fig. 7 is an enlarged view at a in fig. 6.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 10 | |
300 | |
| 100 | Filter flask | 310 | First welding part |
| 101 | A |
400 | Second end cap |
| 102 | A |
410 | |
| 103 | |
411 | |
| 104 | |
412 | |
| 105 | Clamping |
413 | |
| 110 | Raised |
401 | |
| 111 | |
500 | |
| 200 | |
600 | Rotation stopping ring |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is 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" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The composite filter element of the market water purifier adopts a single-side welded structural design, the composite filter element designed by the structural design is usually formed by sleeving a layer of filter material outside a layer of filter material, an internal water flow channel between two layers of filter materials is formed by separating internal plastic pieces, the internal plastic pieces occupy more space, the utilization rate is low, and the pressure-bearing effect is poor, so that the internal parts are eccentric and poor in water penetration is easily caused.
The utility model provides a composite filter element, and aims to solve the technical problems that the existing composite filter element is poor in water penetration due to the fact that the space occupation of an inner plastic part is large, the utilization rate is low, and the pressure-bearing effect is poor, and the inner part is easy to eccentric.
In the embodiment of the present utility model, as shown in fig. 1 to 7, the composite filter element 10 includes a filter flask 100, a partition member 200, a first end cap 300 and a second end cap 400, where the filter flask 100 has an upper end surface and a lower end surface, the filter flask 100 is provided with a first opening 101 at the upper end surface, and the filter flask 100 is provided with a second opening 102 at the lower end surface; a partition 200, disposed in the filter flask 100, for partitioning the filter flask 100 into an upper cavity 103 and a lower cavity 104, wherein the upper cavity 103 is in communication with the first opening 101, and the lower cavity 104 is in communication with the second opening 102; a first end cap 300 for covering the first opening 101; the first end cover 300 is provided with a first welding part 310, the first welding part 310 is positioned at one side of the first end cover 300 close to the filter flask 100, and the first welding part 310 is used for welding connection with the filter flask 100; and a second end cap 400 for covering the second opening 102; the second end cap 400 has a second welding portion 410, the second welding portion 410 is located on a side of the second end cap 400 close to the filter flask 100, and the second welding portion 410 is used for welding connection with the filter flask 100.
In the present embodiment, the placement positions of the filter media of the composite filter cartridge 10 are changed to be arranged up and down, thereby forming the upper cavity 103 and the lower cavity 104 in which the filter media can be placed, and the upper cavity 103 and the lower cavity 104 are separated by the partition member 200. When assembling the composite filter element 10, the filter material is first placed in the upper cavity 103 or the lower cavity 104, and then the first end cover 300 and the second end cover 400 are welded together. The first welding portion 310 and the second welding portion 410 may be welded to the filter flask 100 by spin welding, hot melt welding, ultrasonic welding, high-frequency welding, friction welding, or the like.
The first welding portion 310 and the second welding portion 410 may have the same or different structures, and the first welding portion 310 and the second welding portion 410 may be convex rings or a plurality of welding points, and may be arranged at intervals along the circumferential direction of the first end cover 300/the second end cover 400, which is, of course, required in order to measure the welding and the tightness of the filter element.
Illustratively, the first welding portion 310/second welding portion 410 is a convex ring protruding from the first end cover 300/second end cover 400, and the filter flask 100 is provided with a clamping groove 105 at the first opening 101/second opening 102, which is adapted to the first welding portion 310/second welding portion 410.
Preferably, in order to ensure the installation stability between the partition 200 and the filter flask 100, the space occupied by the internal plastic part is further prevented from being more, and the partition 200 and the filter flask 100 are integrally formed. The arrangement of the partition 200 and the filter flask 100 in an integral manner facilitates the improvement of the stability of the structure at the connection between the partition 200 and the filter flask 100.
It should be appreciated that the partition 200 is provided with water passing holes, and the first and second end caps 300 and 400 are provided with water inlet and outlet so that the composite cartridge 10 can perform normal water purifying operation.
According to the technical scheme of the utility model, the filter materials of the composite filter element 10 are placed in an up-and-down arrangement mode, so that the upper cavity 103 and the lower cavity 104 capable of placing the filter materials are formed, and two or more filter materials can be placed respectively when the upper cavity 103 and the lower cavity 104 are separated by the partition piece 200. And adopt both ends welded seal to accomplish the sealed of compound filter core 10, so, avoided appearing the inside rivers passageway between two-layer filter media and separate by inside working of plastics and form and inside working of plastics space occupation more low in utilization ratio and pressure-bearing effect be poor easily lead to the eccentric and poor problem of cluster water of inner member.
In one embodiment, in order to improve the tightness of the welding between the first end cap 300, the second end cap 400 and the filter flask 100, the first welding portion 310/the second welding portion 410 includes a first ring 411, a second ring 412 and a third ring 413, wherein the first ring 411, the second ring 412 and the third ring 413 are arranged at intervals along the radial direction of the filter flask 100, and annular grooves 401 are formed between the second ring 412 and the third ring 413; the filter bottle 100 is further provided with a protruding portion 110 at the first opening 101/the second opening 102, the protruding portion 110 is located at the outer side of the clamping groove 105, the protruding portion 110 protrudes into the annular groove 401, and the third ring 413 protrudes into the clamping groove 105; at least the outer peripheral wall of the third ring 413 is welded to the inner peripheral wall of the locking groove 105. In this way, by thinning the connection structure between the filter flask 100 and the first welded portion 310/second welded portion 410, the welding area of the filter flask 100 and the first welded portion 310/second welded portion 410 mating with the welded portion is increased, thereby improving the tightness of the welding between the filter flask 100 and the first and second end caps 300, 400.
On the basis of the above embodiment, the length of the third ring 413 is greater than the length of the first ring 411 in the axial direction of the filter bottle 100. Preferably, the inner side of the protruding portion 110 is provided with a relief groove 111.
Referring to fig. 3 and 5, in a preferred embodiment, in order to facilitate the welding of the first end cap 300/second end cap 400 and the filter flask 100, the first end cap 300/second end cap 400 is provided with a rotation stop rib 500 at the inner side of the first welding portion 310/second welding portion 410; the filter flask 100 is provided with a rotation stop ring 600 adjacent to the first opening 101/the first opening 101, which is matched with the rotation stop rib 500. In this way, when the second end cover 400 is welded to the filter flask 100, the rotation of the end cover and the filter flask 100 can be prevented by the arrangement of the rotation stopping rib 500 and the rotation stopping ring 600, so as to assist in completing the welding, however, in other embodiments, the first end cover 300/the second end cover 400 and the filter flask 100 can be fixed by adopting a fixture, and the like, so that the welding can be better assisted.
Illustratively, the anti-rotation ribs 500 extend in a radial direction of the first end cap 300/second end cap 400. The anti-rotation ring 600 includes a plurality of locking positions for locking the anti-rotation rib 500.
Further, in order to reduce the stress of the single anti-rotation rib 500, the number of the anti-rotation ribs 500 is plural, and the anti-rotation ribs 500 are arranged at intervals along the circumferential direction of the first end cap 300/the second end cap 400. Still further, in order to better ensure the uniformity of the stress of the first end cap 300/the second end cap 400, a plurality of the anti-rotation ribs 500 are uniformly spaced along the circumference of the first end cap 300/the second end cap 400.
The utility model also provides a water purification system, which comprises the composite filter element 10, and the specific structure of the composite filter element 10 refers to the embodiment, and as the water purification system adopts all the technical schemes of all the embodiments, at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A composite filter cartridge, comprising:
the filter flask is provided with an upper end face and a lower end face, a first opening is formed in the upper end face of the filter flask, and a second opening is formed in the lower end face of the filter flask;
the separating piece is arranged in the filter flask and is used for separating the filter flask into an upper cavity and a lower cavity, the upper cavity is communicated with the first opening, and the lower cavity is communicated with the second opening;
a first end cap for covering the first opening; the first end cover is provided with a first welding part, the first welding part is positioned at one side of the first end cover, which is close to the filter flask, and the first welding part is used for welding connection with the filter flask; and
a second end cap for covering the second opening; the second end cover is provided with a second welding part, the second welding part is positioned on one side of the second end cover, which is close to the filter flask, and the second welding part is used for being welded and connected with the filter flask.
2. The composite filter element of claim 1, wherein the first welded portion/second welded portion is a collar protruding from the first end cap/second end cap, and the filter flask is provided with a clamping groove at the first opening/second opening, which is adapted to the first welded portion/second welded portion.
3. The composite filter element of claim 2, wherein the first/second weld comprises first, second, and third rings arranged at intervals along a radial direction of the filter flask, each of the second and third rings having an annular groove formed therebetween;
the filter bottle is further provided with a protruding part at the first opening/second opening, the protruding part is positioned at the outer side of the clamping groove, the protruding part protrudes into the annular groove, and the third ring body protrudes into the clamping groove; at least the outer peripheral wall of the third ring body is welded with the inner peripheral wall of the clamping groove.
4. A composite filter element as recited in claim 3, wherein a length of the third ring body is greater than a length of the first ring body in an axial direction of the filter flask.
5. A composite filter element as claimed in claim 3 wherein the inner side of the boss is provided with a relief groove.
6. A composite filter element according to claim 1, wherein the first/second end caps are provided with anti-rotation ribs on the inside of the first/second welds; the filter bottle is provided with a rotation stopping ring matched with the rotation stopping rib at a position close to the first opening.
7. A composite filter element as recited in claim 6, wherein said anti-rotation ribs extend radially of said first/second end caps.
8. A composite filter element as recited in claim 6, wherein said plurality of anti-rotation ribs is a plurality, said plurality of anti-rotation ribs being spaced circumferentially about said first/second end caps.
9. A composite filter element as claimed in any one of claims 1 to 8 wherein the separator is integrally formed with the filter flask.
10. A water purification system comprising a composite filter element according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524713.7U CN218890206U (en) | 2022-12-27 | 2022-12-27 | Composite filter element and water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524713.7U CN218890206U (en) | 2022-12-27 | 2022-12-27 | Composite filter element and water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218890206U true CN218890206U (en) | 2023-04-21 |
Family
ID=86000561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223524713.7U Active CN218890206U (en) | 2022-12-27 | 2022-12-27 | Composite filter element and water purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218890206U (en) |
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2022
- 2022-12-27 CN CN202223524713.7U patent/CN218890206U/en active Active
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