CN220026286U

CN220026286U - Filter core structure convenient to change

Info

Publication number: CN220026286U
Application number: CN202321270123.8U
Authority: CN
Inventors: 邓小荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-17
Anticipated expiration: 2033-05-24

Abstract

The utility model provides a filter element structure convenient to replace, which comprises a mounting base and a filter element main body detachably connected with the mounting base, wherein a mounting step used for being connected with the mounting base is arranged above the filter element main body, and the lower part of the mounting step is inclined; a clamping step is further arranged below the mounting step; the inner side of the mounting base is provided with a limiting step matched with the mounting step, and the upper end of the limiting step is provided with a clamping groove matched with the clamping step; according to the filter element structure, the filter element main body is quickly installed by arranging the mutually matched installation step and the mutually matched limiting step and the mutually matched clamping groove, and the filter element main body can be detached only by slightly applying force when the filter element main body needs to be replaced, so that the filter element main body can be quickly detached without other tools to realize replacement.

Description

Filter core structure convenient to change

Technical Field

The utility model relates to the technical field of filters, in particular to a filter element structure convenient to replace.

Background

Tap water contains many harmful substances such as rust, over-standard chlorine, germs and the like. Home filters are also becoming more and more commonly used. Existing household filters typically employ multiple filtration stages, typically including one of the several modes of straining, activated carbon adsorption, ion exchange resins, hollow fibers, and reverse osmosis. Can effectively remove chlorine and other heavy metal bacteria, viruses, algae and solid suspended matters in the water, so that the treated water is clear, clean and sterile.

In the process of using the filter, the filter element in the filter is often blocked due to long-time filtration, the filter element needs to be replaced periodically to ensure the filtering effect, and most filters on the market at present need to be detached and replaced by using a customized tool in the process of replacing the filter element, so that the filter element is difficult to detach after the tool is lost, and the filtering efficiency is low.

In view of this, the present inventors have specifically devised a filter cartridge structure that is easy to replace, and this results from this.

Disclosure of Invention

In order to solve the problems, the technical scheme of the utility model is as follows:

a filter element structure convenient to replace, which comprises a mounting base and a filter element main body detachably connected with the mounting base,

an installation step used for being connected with the installation base is arranged above the filter element main body, and the lower part of the installation step is inclined; a clamping step is further arranged below the mounting step;

the inner side of the mounting base is provided with a limiting step matched with the mounting step, and the upper end of the limiting step is provided with a clamping groove matched with the clamping step.

Further, the filter element main body comprises an upper end cover and a lower end cover which are matched with each other.

Further, the installation steps are arranged in two and are positioned on the outer side wall of the upper end cover.

Further, the through hole is formed below the mounting base, and the two limiting steps are arranged and are located on the inner side of the through hole.

Further, the filter element main body further comprises a coarse filter element inner core upper cover arranged on the inner side of the upper end cover, a lower end cover arranged below the upper end cover and a first filter element arranged between the coarse filter element inner core upper cover and the lower end cover.

Further, the first filter core adopts one of a PP filter core or a CTO filter core.

Further, a first raw water channel and a first filtered water channel are arranged in the inner core upper cover of the coarse filter core.

Further, the filter element main body further comprises an RO filter element inner core upper cover arranged on the inner side of the upper end cover, an upper joint and a lower joint arranged on the upper end and the lower end of the RO filter element inner core upper cover, a lower end cover arranged below the upper end cover and an RO filter element arranged between the RO filter element inner core upper cover and the lower end cover

Further, the upper structure is welded above the RO filter core upper cover by ultrasonic waves, and the lower joint is arranged between the RO filter core and the RO filter core upper cover.

Further, a second raw water channel is formed between the RO filter core upper cover and the upper end cover, a waste water channel is formed between the outer side of the upper joint and the RO filter core upper cover, and a second filtering water channel is formed inside the lower structure, the RO filter core upper cover and the upper structure.

According to the filter element structure, the filter element main body is quickly installed by arranging the mutually matched installation step and the mutually matched limiting step and the mutually matched clamping groove, and the filter element main body can be detached only by slightly applying force when the filter element main body needs to be replaced, so that the filter element main body can be quickly detached without other tools to realize replacement.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model.

Wherein:

FIG. 1 is a schematic illustration of the structure of a filter cartridge of the present utility model;

FIG. 2 is a schematic illustration of the position of the stop step of the present utility model;

FIG. 3 is a second schematic illustration of the position of the stop step of the present utility model;

FIG. 4 is a schematic view of the structure of the upper end cap of the present utility model;

FIG. 5 is an internal schematic view of a first embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a first embodiment of the utility model;

FIG. 7 is an exploded view of a first embodiment of the present utility model;

FIG. 8 is a schematic view of the structure of the upper cover of the core of the coarse filter element of the present utility model;

FIG. 9 is an internal schematic diagram of a second embodiment of the present utility model;

FIG. 10 is a cross-sectional view of a second embodiment of the utility model;

FIG. 11 is an internal schematic view of the RO cartridge core upper cap of the present utility model;

fig. 12 is a cross-sectional view of the cartridge structure of the present utility model.

Description of the reference numerals:

10. a mounting base; 11. a limit step; 111. a clamping groove; 20. a cartridge body; 21. an upper end cap; 211. mounting steps; 212. a clamping step; 213. a clamping groove; 22. a lower end cap; 30. an inner core upper cover of the coarse filter core; 31. a first raw water channel; 32. a first filtered water channel; 33. a buckle; 40. a first filter element; 50. an RO filter core upper cover; 51. a second raw water channel; 52. a second filtered water channel; 53. a waste water channel; 60. an upper joint; 70. a lower joint; 80. RO filter core.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1 to 8 and 12, as a filter element structure of embodiment 1 of the present utility model, the filter element structure is a filter structure, and includes a mounting base 10 and a filter element main body 20 detachably connected to the mounting base 10, a mounting step 211 for connecting to the mounting base 10 is disposed above the filter element main body 20, and an inclined shape is disposed below the mounting step 211; a clamping step 212 is further arranged below the mounting step 211; the inner side of the mounting base 10 is provided with a limiting step 11 matched with the mounting step 211, and the upper end of the limiting step 11 is provided with a clamping groove 111 matched with a clamping step 212. Wherein the mutually matched surfaces of the mounting step 211 and the limiting step 11 are inclined surfaces, and in the process of rotating mounting, the filter element main body 20 is clamped into the mounting base 10, and meanwhile, the clamping step 212 and the clamping groove 111 are arranged to prevent the filter element main body from automatically rotating backwards.

The filter element main body 20 comprises an upper end cover 21 and a lower end cover 22 which are matched with each other; the installation steps 211 are arranged in two and are located on the outer side wall of the upper end cover 21, through holes are formed in the lower portion of the installation base 10, the limiting steps 11 are arranged in two and are located on the inner sides of the through holes, namely, clamping steps 212 are arranged on the lower side faces of the two installation steps 211, and play a role in preventing the filter element from loosening when working.

The filter element main body 20 further comprises a coarse filter element inner core upper cover 30 arranged on the inner side of the upper end cover 21, a lower end cover 22 arranged below the upper end cover 21, and a first filter element 40 arranged between the coarse filter element inner core upper cover 30 and the lower end cover 22; the first filter element 40 adopts one of a PP filter element or a CTO filter element; the inner core upper cover 30 of the coarse filter core is internally provided with a first raw water channel 31 and a first filtered water channel 32.

The bottom cover is further arranged below the first filter element 40, the upper cover 30 of the inner core of the specific coarse filter element, the first filter element 40 and the bottom cover are connected together through tight fit or glue, the upper cover 30 of the inner core of the coarse filter element is arranged on the upper end cover 21 through the clamping buckles 33 and the clamping grooves 213, the rapid installation is realized, the clamping buckles 33 are arranged on the outer side wall of the upper cover 30 of the inner core of the specific coarse filter element, the clamping grooves 213 are arranged on the inner side wall of the upper end cover 21, and the upper end cover 21 and the lower end cover 22 are fused into a whole in a rotary mode.

The upper cover 30 of the inner core of the coarse filter core realizes that the water enters from the middle through the side core pulling and then flows to the cavity between the lower end cover 22 and the first filter core 40 from the side, and the filtered water flows out from the middle of the first filter core 40 through the two sides of the upper cover 30 of the inner core of the coarse filter core so as to realize two passages of one inlet and one outlet.

Example two

Referring to fig. 1 to 4 and fig. 9 to 12, as a filter cartridge structure of embodiment 2 of the present utility model, the embodiment is different from embodiment 1 in that the filter cartridge body 20 is different, specifically, the filter cartridge body 20 further includes an RO core upper cover 50 disposed inside the upper cover 21, upper and lower connectors 60 and 70 disposed at upper and lower ends of the RO core upper cover 50, a lower cover 22 disposed below the upper cover 21, and an RO filter cartridge 80 disposed between the RO core upper cover 50 and the lower cover 22.

The upper structure is welded above the RO filter core upper cover 50 by adopting ultrasonic waves, and the lower joint 70 is arranged between the RO filter core 80 and the RO filter core upper cover 50; a second raw water channel 51 is formed between the RO core upper cover 50 and the upper end cover 21, a waste water channel 53 is formed between the outer side of the upper joint 60 and the RO core upper cover 50, and a second filtered water channel 52 is formed inside the lower structure, inside the RO core upper cover 50 and inside the upper structure. In this embodiment, the RO core upper cover 50 realizes three paths, i.e., one inlet and two outlets, by side core pulling and super welding of the upper joint 60.

In summary, according to the filter element structure provided by the utility model, the filter element main body is quickly installed by arranging the mutually matched installation step and the mutually matched limiting step and the mutually matched clamping groove, and when the filter element main body needs to be replaced, the filter element main body can be detached only by slightly exerting force, and the filter element main body does not need to be quickly detached by other tools to realize replacement.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims

1. A filter element structure convenient to replace is characterized by comprising a mounting base (10) and a filter element main body (20) detachably connected with the mounting base (10),

an installation step (211) used for being connected with the installation base (10) is arranged above the filter element main body (20), and the lower part of the installation step (211) is inclined; a clamping step (212) is further arranged below the mounting step (211);

the inner side of the mounting base (10) is provided with a limiting step (11) matched with the mounting step (211), and the upper end of the limiting step (11) is provided with a clamping groove (111) matched with the clamping step (212).

2. A filter cartridge structure for facilitating replacement according to claim 1, wherein the cartridge body (20) includes an upper end cap (21) and a lower end cap (22) that cooperate with each other.

3. A filter cartridge structure for facilitating replacement according to claim 2, wherein the mounting steps (211) are provided in two and are located on the outer side wall of the upper end cap (21).

4. The filter element structure according to claim 2, wherein the filter element main body (20) further comprises a coarse filter element inner core upper cover (30) disposed inside the upper end cover (21), a lower end cover (22) disposed below the upper end cover (21), and a first filter element (40) disposed between the coarse filter element inner core upper cover (30) and the lower end cover (22).

5. A filter cartridge structure for facilitating replacement according to claim 4, wherein the first filter cartridge (40) is one of a PP filter cartridge or a CTO filter cartridge.

6. The filter element structure convenient to replace according to claim 4, wherein a first raw water channel (31) and a first filtered water channel (32) are arranged in the coarse filter element inner core upper cover (30).

7. The filter element structure according to claim 2, wherein the filter element main body (20) further comprises an RO filter element core upper cover (50) disposed inside the upper end cover (21), upper joints (60) and lower joints (70) disposed at upper and lower ends of the RO filter element core upper cover (50), a lower end cover (22) disposed below the upper end cover (21), and an RO filter element (80) disposed between the RO filter element core upper cover (50) and the lower end cover (22).

8. The cartridge structure of claim 7, wherein the upper connector is ultrasonically welded to the upper RO core cap (50) and the lower connector (70) is disposed between the RO filter core (80) and the RO core cap (50).

9. The filter element structure convenient to replace according to claim 7, wherein a second raw water channel (51) is formed between the RO filter element inner core upper cover (50) and the upper end cover (21), a waste water channel (53) is formed between the outer side of the upper joint (60) and the RO filter element inner core upper cover (50), and a second filtered water channel (52) is formed inside the lower structure, inside the RO filter element inner core upper cover (50) and inside the upper structure.