CN215388185U

CN215388185U - Replaceable filter device

Info

Publication number: CN215388185U
Application number: CN202121321461.0U
Authority: CN
Inventors: 林羣哲
Original assignee: Singularity Technology Co ltd
Current assignee: Singularity Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-06-15
Publication date: 2022-01-04
Anticipated expiration: 2031-06-15
Also published as: JP3233731U; TWM611480U

Abstract

The utility model discloses a replaceable filter device, which comprises a frame seat unit and a filter unit. The frame unit defines a containing space communicated with the two opposite sides. The filter unit is detachably accommodated in the accommodating space of the frame base unit and comprises a filter material for filtering air passing through the accommodating space. The novel detachable design of the filter unit can reduce the maintenance cost and maintain the filtering effect.

Description

Replaceable filter device

Technical Field

The utility model relates to a filtration equipment field especially relates to a install on electrical apparatus, machines or building and can be used for filtering the removable formula filter equipment of air.

Background

In general, in order to filter out foreign matters in air, such as dust, smoke, moisture, pollen, gas, and even dust mites, winged insects …, a filter device is usually installed to obtain cleaner air after filtering.

A conventional filtering device includes a hollow frame made of metal, plastic or other hard material, and a filter sheet connected in the frame. When the filter disc is used, although the filter disc can be used for filtering foreign matters in air, the filter disc is attached with the foreign matters after being used for a period of time, so that the filtering efficiency is reduced, and if the filter disc is to be replaced, the frame body which can still be used and the filter disc are discarded together because the filter disc can not be detached from the frame body, so that the waste of non-filtering consumables is increased, the use cost is increased, and the requirements of environmental protection and energy conservation are not met. Thus, existing filter designs remain to be improved.

Disclosure of Invention

To this end, it is desirable to provide a replaceable filter device that overcomes at least one of the disadvantages of the prior art.

Therefore, the novel replaceable filter device comprises a frame seat unit and a filter unit. The frame unit defines a containing space communicated with the two opposite sides. The filter unit is detachably accommodated in the accommodating space of the frame base unit and comprises a filter material for filtering air passing through the accommodating space.

The novel efficacy lies in: the replaceable filter device can reduce the use cost by the detachable design of the filter unit and meet the requirements of environmental protection and energy saving.

Drawings

Fig. 1 is a rear perspective exploded view of a first embodiment of the present replaceable filter unit;

FIG. 2 is a rear view of the first embodiment;

FIG. 3 is a cross-sectional side view of the first embodiment;

FIG. 4 is a rear view of a second embodiment of the present replaceable filter unit;

FIG. 5 is a front perspective view of a third embodiment of the present novel replaceable filter unit;

FIG. 6 is a rear view of the third embodiment;

fig. 7 is a front perspective exploded view of a fourth embodiment of the present replaceable filter unit;

FIG. 8 is a cross-sectional top view of the fourth embodiment;

fig. 9 is a front perspective exploded view of a fifth embodiment of the present replaceable filter unit.

Description of reference numerals:

1 mounting part

11: vent

2 replaceable filter device

3: frame base unit

30: containing space

31 outer frame

311 first side edge

312 the second side edge

313 surrounding wall

314 first opening

315 second opening

32: net rack

321 mesh of

33: grid

34 spacer

35 seat body

351 first wall

352 first side edge

36 cover body

361 second surrounding wall

362 second side edge

4: filtration unit

41 filter medium

411 filter body

412 filtering the particles

413 filter body

414 folded part

42, cloth cover

43 frame

5: spacing unit

51 protruding tooth

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, similar components are denoted by the same reference numerals.

Referring to fig. 1, 2 and 3, a first embodiment of the replaceable filter device 2 is adapted to be mounted to a mounting portion 1 of an appliance, tool or structure, the mounting portion 1 defining a vent 11 through which air can pass. The replaceable filter device 2 comprises a housing unit 3 and a filter unit 4.

The frame base unit 3 defines a containing space 30 communicating with two opposite sides. The frame base unit 3 includes an outer frame 31, a net frame 32, two grid bars 33, and a spacer 34. The outer frame 31 is made of metal, plastic, cardboard, or other hard material, and surrounds the ventilation opening 11, and has a substantially inverted-U-shaped cross section, and has a surrounding wall 313 surrounding the periphery of the accommodating space 30, and a first side 311 and a second side 312 bent and protruding from two sides of the surrounding wall 313 toward the center, respectively, wherein the first side 311 and the second side 312 are parallel to each other and located on two opposite sides of the accommodating space, respectively, and are used for stopping and limiting the filter unit 4. The first side 311 has a first opening 314, the second side 312 has a second opening 315, and the second opening 315 and the first opening 314 are correspondingly communicated with the accommodating space 30. In the first embodiment, the frame base unit 3 is a rectangular frame, but the frame base unit 3 may have other shapes, and will not be described here.

The net frame 32 is a grid and has a plurality of holes 321 for air to pass through, and each of the holes 321 may be square, diamond, honeycomb, circular, or oval. The net frame 32 is disposed between the first side 311 of the outer frame 31 and the filtering unit 4, and is used for supporting the filtering unit 4. In the first embodiment, the rack 32 is supported by the first side 311 and can be detached, but the rack 32 can also be fixed on the first side 311 or connected with the first side 311 and integrally formed, so the first embodiment is not limited thereto.

The grid bars 33 are detachably disposed between the second side 312 of the outer frame 31 and the filter unit 4, and are used to further limit the position of the filter unit 4 so that the filter unit 4 cannot be separated from the second side 312, although the second side 312 can surround and limit the periphery of the filter unit 4, the arrangement of the grid bars 33 can be omitted in design. In the first embodiment, the bars 33 are in the shape of a strip, a V or a U, and are disposed opposite to and overlapping each other, and a portion of each bar 33 corresponding to the second side 312 is inserted and clamped between the filter unit 4 and the second side 312, and a portion not corresponding to the second side 312 is used for elastically blocking the filter unit 4. It should be noted that the number of the grid bars 33 is not limited to two, but may be one, three or more, and the shape, the arrangement position and the arrangement direction, and the overlapping or non-overlapping may be changed according to the actual requirement, and is not limited to the first embodiment.

The gasket 34 is disposed on at least one side of the first side 311 and the second side 312 of the outer frame 31, in the first embodiment, the gasket 34 is disposed on the first side 311, and can be tightly abutted to the mounting portion 1 during assembly, of course, the gasket 34 can also be disposed on the surrounding wall 313 of the outer frame 31 and be tightly embedded in the vent 11, so as to increase the adhesion and air tightness between the outer frame 31 and the mounting portion 1, and prevent the leakage of unfiltered air from the gap between the outer frame 31 and the mounting portion 1, which will not be described herein.

The filter unit 4 is removably received in the receiving space 30 of the frame unit 3, is retained between the first side 311 and the second side 312, and is supported by the net frame 32 and the grid bars 33 on opposite sides. The filter unit 4 includes a filter material 41 and a cloth cover 42 covering the filter material 41 and having air permeability. The filtering material 41 can be used for filtering the air passing through the containing space 30, and in the first embodiment, the filtering material 41 has a filtering body 411 with a shape corresponding to the containing space 30 and a shape of a plate, and a plurality of filtering particles 412 in a granular or powder shape and dispersed in the filtering body 411. The filtering body 411 is made of non-woven fabric, foam or fine net, and the foam is taken as an example in the first embodiment. The material of the filter particles 412 is selected from activated carbon, zeolite, ion exchange resin …, or combinations thereof. Of course, the structure of the filtering unit 4 may be changed, for example, the filtering particles 412 and/or the cloth cover 42 may be omitted, or other elements such as filtering sterilization, deodorization, or aromatic essential oil may be added. Since the filtering unit 4 is an independent body, it can be replaced independently or packaged and sold individually.

In use, the air to be purified enters the accommodating space 30 through the second opening 315 of the outer frame 31, the filter unit 4 blocks impurities in the filtered air, such as dust, smoke, moisture, pollen, gas, dust mites, winged insects …, and the purified air is discharged from the first opening 314 and passes through the vent 11. After a period of time, when the filter unit 4 is to be replaced, the grid 33 is pulled to separate the grid 33 from the second side 312, and then the filter unit 4 is removed from the second opening 315, so that another new filter unit 4 can be installed in the accommodating space 30, and the grid 33 is clamped into the second side 312, thereby completing the replacement, which is quite convenient and easy.

Referring to fig. 4, a second embodiment of the new replaceable filter device 2 is substantially identical in construction to the first embodiment, with the difference that: each of the grills 33 of the present second embodiment has a W-shape or a wave-shape. Of course, the shape of the grill 33 is not limited thereto in design, and may be changed depending on the design.

Referring to fig. 5 and 6, a third embodiment of the replaceable filter device 2 of the present invention is substantially identical in construction to the first embodiment, with the difference that: in practice, a plurality of the replaceable filter devices 2 can be combined together as required, for example, the third embodiment is shown in fig. 5 and 6 to be configured with four replaceable filter devices 2, although the number of the replaceable filter devices 2 is not limited to four in design, and can be changed according to actual requirements, for example, two, three, five or more. It is worth mentioning that the outer frames 31 of the replaceable filter devices 2 may also be connected to each other and made integrally, so as to form a large frame body that can accommodate a plurality of filter units 4, which will not be described herein.

Referring to fig. 7 and 8, a fourth embodiment of the replaceable filter device 2 of the present invention also comprises a housing unit 3 defining the housing space 30, and a filter unit 4 removably received in the housing space 30 of the housing unit 3. The frame unit 3 and the filter unit 4 of the fourth embodiment are different in configuration from those of the first embodiment.

The frame base unit 3 includes a frame-shaped base 35 and a frame-shaped cover 36 openably coupled to the base 35, wherein the coupled cover 36 and the base 35 cooperate to define the accommodating space 30. The base 35 has a first wall 351 surrounding the periphery of the receiving space 30, and a first side 352 bent and protruded from a side of the first wall 351 away from the cover 36. The cover 36 has a second wall 361 surrounding the periphery of the receiving space 30 and detachably connected to the first wall 351, and a second side 362 bent and protruded from a side of the second wall 361 away from the base 35 toward the center. The first side 352 and the second side 362 are respectively located at two opposite sides of the accommodating space 30 and are used for stopping and limiting the filter unit 4.

The filter unit 4 of the fourth embodiment omits the provision of the cloth cover 42 (see fig. 1). The filter material 41 has a different structure, and includes a filter body 413 repeatedly folded into a wave-shaped folding, and the filter body 413 has a plurality of folding portions 414 arranged at equal intervals. Of course, the filtering material 41 may also be provided with the filtering particles 412 dispersed in the filtering body 413 (see fig. 1). In addition, the filter unit 4 further includes a frame 43 that is connected around the filter material 41 to shape the filter material 41. It should be noted that the filtering body 411 in the fourth embodiment is made of non-woven fabric, and the frame 43 is made of paper, but the material may be changed in implementation, and is not limited to the fourth embodiment.

Referring to fig. 9, a fifth embodiment of the new replaceable filter device 2 is constructed substantially the same as the fourth embodiment, with the following differences: the replaceable filter device 2 further comprises a distance unit 5 for fixing the distance between the folds 414 of the filter body 413, the distance unit is an elongated sheet and comprises a plurality of equally-protruding teeth 51 detachably inserted between the folds 414, although the structure of the distance unit 5 can be changed and is not limited to the fifth embodiment.

To sum up, the replaceable filter device 2 is designed to be replaceable by the replaceable filter unit 4, so that when the filter device is to be replaced to maintain the filtering effect during the use process, the filter unit 4 is only required to be replaced and discarded, and the frame base unit 3 is not required to be replaced together, thereby solving the problem that the filter disc is wasted due to discarding together with the frame body, greatly reducing the waste and the improper processing energy loss, reducing the use cost, meeting the requirements of environmental protection and energy saving, and really achieving the purpose of cost novelty.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by changing and modifying the embodiments described herein or by using the equivalent structure or equivalent process changes made in the contents of the present specification and the accompanying drawings, which are all included in the scope of the present invention.

Claims

1. A replaceable filter device comprising:

a frame seat unit which defines a containing space communicated with two opposite sides; and

a filter unit removably received in the receiving space of the frame unit, the filter unit including a filter material for filtering air passing through the receiving space.

2. The replaceable filter device of claim 1, wherein the frame base unit comprises a frame with a cross-section substantially like a "n", the frame having a surrounding wall surrounding the periphery of the accommodating space, and a first side and a second side bent and protruding from two sides of the surrounding wall toward the center, the first side and the second side being located on two opposite sides of the accommodating space respectively and used for stopping and limiting the filter unit.

3. The replaceable filter device of claim 2, wherein the frame unit further comprises a rack disposed between the first side of the outer frame and the filter unit for supporting the filter unit, the rack having a plurality of meshes for air to pass through.

4. The replaceable filter device of claim 3, wherein the housing unit further comprises at least one bar detachably disposed between the second side of the outer frame and the filter unit for limiting the filter unit from separating from the second side.

5. The replaceable filter device of claim 4, wherein the at least one grate is in the shape of a strip, a V, a U, a W, or a wave.

6. The replaceable filter device of claim 1, wherein the frame unit comprises a frame-shaped base and a frame-shaped cover openably coupled to the base, the coupled cover and the base cooperating to define the receiving space.

7. The replaceable filter device of claim 6, wherein the base has a first wall surrounding the periphery of the receiving space, and a first side bent and protruded from a side of the first wall away from the cover, the cover has a second wall surrounding the periphery of the receiving space and detachably connected to the first wall, and a second side bent and protruded from a side of the second wall away from the base toward the center, the first side and the second side are located on opposite sides of the receiving space respectively and are used for stopping and limiting the filter unit.

8. The replaceable filter device of any one of claims 1 to 7, wherein the filter material of the filter unit has a filter body in the shape of a plate corresponding to the receiving space.

9. The replaceable filter device of claim 8, wherein the filter further comprises a plurality of filter particles dispersed in the filter body.

10. The replaceable filter device of claim 9, wherein the filter unit further comprises a cloth cover covering the filter material and having air permeability.

11. The replaceable filter device of claim 8, wherein the filter body is made of non-woven fabric, foam or fine mesh.

12. The replaceable filter device of any one of claims 1 to 7, wherein the filter material of the filter unit has a filter body that is repeatedly pleated in a wave-like fold, the filter unit further comprising a rim that is attached around the filter material to shape the filter material.

13. The replaceable filter device of claim 12 wherein the rim is made of paper.

14. The replaceable filter device of claim 12, wherein the filter further comprises a plurality of filter particles dispersed in the filter body.

15. The replaceable filter device of claim 12, wherein the filter body is made of non-woven fabric, foam or fine mesh.

16. The replaceable filter device of claim 12, wherein the filter body has a plurality of equally spaced folds, the replaceable filter device further comprising a spacing unit for fixing the distance between the folds.

17. The replaceable filter device of claim 16 wherein the distance unit is an elongated sheet and includes a plurality of equally spaced projecting teeth removably inserted between the folds of the filter body.