TWM611480U - Replaceable filter device - Google Patents

Abstract

A replaceable filter device includes a frame base unit and a filter unit. The frame base unit defines an accommodating space connecting two opposite sides. The filter unit is detachably accommodated in the accommodating space of the frame base unit, and the filter unit includes a filter material that can be used to filter the air passing through the accommodating space. With the detachable design of the filter unit, the present invention can indeed reduce the maintenance cost and maintain the filtering effect.

Description

Replaceable filter device

This model relates to a filter device, in particular to a replaceable filter device that is installed on electrical appliances, machinery or buildings and can be used to filter air.

In order to filter out impurities and foreign matter in the air, such as dust, smoke, water vapor, pollen, gas, and even dust mites, flying insects, etc. in general electrical appliances, machinery or buildings, a filter device is usually installed to obtain a better result after filtration. Clean air.

An existing filter device includes a hollow frame made of metal, plastic or other hard materials, and a filter plate connected to the frame. When in use, although the filter can be used to filter impurities and foreign matter in the air, but after a period of use, impurities and foreign matter will adhere to the filter, which will reduce the filtration efficiency. If you want to replace it, the filter cannot be removed. It is separated from the frame, so the frame that is still usable must be discarded together with the filter. This will increase the waste of non-filtering consumables, which will not only increase the cost of use, but also does not meet the requirements of environmental protection and energy saving. Therefore, the existing filter device design still needs to be improved.

Therefore, the purpose of the present invention is to provide a replaceable filter device that can overcome at least one of the disadvantages of the prior art.

Therefore, the new replaceable filter device includes a frame base unit and a filter unit. The frame base unit defines an accommodating space connecting two opposite sides. The filter unit is detachably accommodated in the accommodating space of the frame base unit, and the filter unit includes a filter material that can be used to filter the air passing through the accommodating space.

The effect of the present invention is that the replaceable filter device, through the detachable design of the filter unit, can indeed reduce the use cost and meet the requirements of environmental protection and energy saving.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

Referring to Figures 1, 2, and 3, a first embodiment of the replaceable filter device 2 of the present invention is suitable for installation on an installation part 1 of an electrical appliance, machine tool or building. The installation part 1 defines an air passage The vent 11. The replaceable filter device 2 includes a frame base unit 3 and a filter unit 4.

The frame base unit 3 defines an accommodating space 30 communicating with two opposite sides, and the accommodating space 30 can accommodate the filter unit 4. The frame base unit 3 includes an outer frame 31, a net frame 32, two grid bars 33, and a gasket 34. The outer frame 31 is made of metal, plastic, thick cardboard, or other hard materials, and the corresponding frame surrounds the vent 11, and its cross-section is roughly in the shape of "ㄇ", and has a peripheral edge surrounding the accommodating space 30 The surrounding wall 313, and a first side 311 and a second side 312 respectively bent and protruding from both sides of the surrounding wall 313 toward the center, the first side 311 and the second side 312 are mutually They are parallel and are respectively located on two opposite sides of the accommodating space, and can be used to stop and limit the filter unit 4. The first side 311 has a first opening 314, and the second side 312 has a second opening 315, and the second opening 315 and the first opening 314 communicate with the accommodating space 30 correspondingly. In the first embodiment, the frame base unit 3 is a rectangular frame. Of course, the frame base unit 3 can also have other shapes, which will not be described here.

The net frame 32 is a grid and has a plurality of mesh holes 321 through which air can pass. Each of the mesh holes 321 can 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 filter unit 4, and is used to support the filter unit 4. In the first embodiment, the net frame 32 is leaned against the first side 311 and can be disassembled. Of course, the net frame 32 can also be fixed on the first side 311 in design, or It is connected to the first side 311 and made integrally, so it is not limited to the first embodiment.

The grid bars 33 are detachably arranged between the second side 312 of the outer frame 31 and the filter unit 4, and are used for further limiting the position so that the filter unit 4 cannot be separated from the second side 312 Of course, since the second side 312 can frame and limit the periphery of the filter unit 4, the arrangement of the grid bars 33 can also be omitted in the design. In the first embodiment, the bars 33 are strip-shaped, V-shaped, or U-shaped, and are arranged opposite to each other and overlap each other, and each of the bars 33 corresponding to the second side 312 is an insert support It is stuck between the filter unit 4 and the second side 312, and the part not corresponding to the second side 312 is used to elastically block the filter unit 4. It should be noted that the number of the bars 33 is not limited to two, it can be one, three or more according to actual needs, and its shape, size, setting position and setting direction, overlapping or non-overlapping can all be changed It is not limited to this 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 , It can be sealed against the mounting portion 1 during assembly, and the fit and air density of the outer frame 31 and the mounting portion 1 can be increased, and unfiltered air can be prevented from passing through the outer frame 31 and the mounting portion 1. Of course, in design, when the outer frame 31 makes the surrounding wall 313 embedded in the vent 11, the gasket 34 can also be sealed in the surrounding wall 313 and the mounting portion 1. Time, no longer explain here.

The filter unit 4 is detachably accommodated in the accommodating space 30 of the frame base unit 3, is blocked and limited between the first side 311 and the second side 312, and is located opposite to each other The grid 32 on the side supports the grid bars 33. The filter unit 4 includes a filter material 41 and a cloth cover 42 covering the filter material 41 and having air permeability. The filter material 41 can be used to filter the air passing through the accommodating space 30. In the first embodiment, the filter material 41 has a plate-shaped filter body 411 with a shape corresponding to the accommodating space 30, and several The filter particles 412 in the form of granules or powder and are scattered in the filter body 411. The filter body 411 is made of non-woven cloth, woven cloth, foam or fine mesh. The first embodiment is explained by taking foam as an example. The material of the filter particles 412 is selected from activated carbon, zeolite, ion exchange resin... or a combination thereof. Of course, the structure of the filter unit 4 can also be changed. For example, the filter particles 412 or/and the cloth cover 42 can be omitted, or other elements such as filter sterilization, deodorization, or aroma oil can be added. Since the filter unit 4 is an independent unit, it can be replaced separately, or packaged and sold individually.

When in use, the air to be purified will enter the accommodating space 30 from the second opening 315 of the outer frame 31, and the filter unit 4 will block and filter the impurities and foreign objects in the air, such as dust, smoke, moisture, Pollen, gas, and even dust mites, flying insects, etc., and the purified air is discharged from the first opening 314 and passes through the vent 11. After a period of time, when you want to replace the filter unit 4, you only need to pull the bars 33, remove the bars 33 from the second side 312, and then remove the filter unit 4 from the second opening. 315, that is, another new filter unit 4 can be installed in the accommodating space 30, and then the grid 33 can be inserted into the second side 312 to complete the replacement, which is quite convenient and easy.

Referring to Figure 4, the structure of a second embodiment of the new replaceable filter device 2 is substantially the same as that of the first embodiment. The difference is that each of the bars 33 of the second embodiment is W-shaped or wavy. shape. Of course, in terms of design, the shape of the grid bars 33 is not limited to this, and can also be changed according to the design.

Referring to Figures 5 and 6, the structure of a third embodiment of the new replaceable filter device 2 is substantially the same as that of the first embodiment. The difference is that in implementation, several replaceable filter devices can be used as needed. 2 are combined together. For example, the third embodiment shown in Figures 5 and 6 shows that there are four replaceable filter devices 2. Of course, the number of replaceable filter devices 2 is not limited to four in design. The actual demand changes, such as two, three, five, or more than five. It is worth mentioning that in design, the outer frames 31 of the replaceable filter devices 2 can also be connected to each other and made in one piece to become a large frame that can accommodate a plurality of the filter units 4. Description.

Referring to Figures 7 and 8, the structure of a fourth embodiment of the new replaceable filter device 2 also includes a frame base unit 3 that defines the accommodating space 30, and a frame base unit 3 that is detachably accommodated in the frame base. The filtering unit 4 in the containing space 30 of the unit 3. The structure of the frame base unit 3 and the filter unit 4 of the fourth embodiment is different from that of the first embodiment, which will be further described below.

The frame seat unit 3 includes a frame-shaped seat body 35, and a frame-shaped cover body 36 that is openably connected to the seat body 35, and the connected cover body 36 cooperates with the seat body 35 to define Out of the accommodating space 30. The base 35 has a first surrounding wall 351 surrounding the periphery of the accommodating space 30, and a first side edge 352 bent and protruding toward the center from a side of the first surrounding wall 351 away from the cover 36 . The cover 36 has a second surrounding wall 361 surrounding the periphery of the accommodating space 30 and detachably connected to the first surrounding wall 351, and a side from the second surrounding wall 361 away from the base 35. A second side 362 protruding from the center is bent. The first side 352 and the second side 362 are respectively located on two opposite sides of the accommodating space 30 and used to stop and limit the filter unit 4.

The filter unit 4 of the fourth embodiment omits the setting of the cloth cover 42 (see FIG. 1). Moreover, the shape and structure of the filter material 41 are different, and it has a filter body 413 that is repeatedly folded to form a wave-shaped folding scene. The filter body 413 has a plurality of folds 414 arranged at equal intervals. Of course, the filter material 41 can also disperse the filter particles 412 in the filter body 413 (see FIG. 1). In addition, the filter unit 4 also includes a frame 43 surrounding and connected around the filter material 41 to shape the filter material 41. It should be noted that in the fourth embodiment, the filter body 411 is made of non-woven fabric, and the frame 43 is made of paper, but the material can also be changed in implementation, and is not limited to this fourth embodiment.

Referring to FIG. 9, the structure of a fifth embodiment of the new replaceable filter device 2 is substantially the same as that of the fourth embodiment. The difference is that the replaceable filter device 2 also includes a filter body that can be used to fix the filter body. The distance unit 5 between the folding parts 414 of the 413, the distance unit 5 is a long sheet body, and includes a plurality of equidistant protrusions and detachably inserted between the folding parts 414. The teeth 51, of course, the structure of the distance unit 5 can also be changed, and it is not limited to the fifth embodiment.

In summary, the new replaceable filter device 2 of the present invention, with the detachable design of the filter unit 4, only needs to replace and discard the filter unit 4 when the filter unit 4 is to be replaced during use to maintain the filter effect. Replace the frame base unit 3 at the same time, so it can solve the problem of waste that the conventional filter needs to be discarded together with the frame body, can greatly reduce waste and improper processing energy loss, can indeed reduce the cost of use, and can meet The demand for environmental protection and energy saving can indeed achieve the goal of cost and new style.

However, the above are only examples of the present model, and should not be used to limit the scope of implementation of the present model, all simple equivalent changes and modifications made in accordance with the patent scope of the present model application and the contents of the patent specification still belong to This new patent covers the scope.

1: Installation department 11: Vent 2: Replaceable filter device 3: Frame base unit 30: storage space 31: Outer frame 311: first side 312: second side 313: Surrounding the Wall 314: first opening 315: second opening 32: Grid 321: Mesh 33: fence 34: Gasket 35: seat body 351: The First Wall 352: first side 36: Lid 361: The Second Wall 362: second side 4: filter unit 41: filter material 411: filter body 412: filter particles 413: filter body 414: Folding 42: Cloth cover 43: Border 5: Fixed distance unit 51: protruding teeth

The other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, among which: Figure 1 is a rear perspective exploded view of a first embodiment of the new replaceable filter device, in which a partial surface of a filter unit is cut out to show its contents; Figure 2 is a rear view of the first embodiment; Figure 3 is a cross-sectional side view of the first embodiment; Figure 4 is a rear view of a second embodiment of the new replaceable filter device; Figure 5 is a front perspective view of a third embodiment of the new replaceable filter device; Figure 6 is a rear view of one of the third embodiment; Figure 7 is a front perspective exploded view of a fourth embodiment of the new replaceable filter device, in which a partial surface of the filter unit is cut out to show its contents; Figure 8 is a cross-sectional plan view of the fourth embodiment; and Fig. 9 is a front perspective exploded view of a fifth embodiment of the new replaceable filter device, illustrating the detachment of a fixed distance unit from the filter device.

2: Replaceable filter device

3: Frame base unit

30: storage space

31: Outer frame

311: first side

312: second side

313: Surrounding the Wall

314: first opening

315: second opening

32: Grid

321: Mesh

33: fence

34: Gasket

4: filter unit

41: filter material

411: filter body

412: filter particles

42: Cloth cover

Claims (17)

A replaceable filter device, including: A frame base unit defines an accommodating space connecting two opposite sides; and A filter unit is detachably accommodated in the accommodating space of the frame base unit, and the filter unit includes a filter material that can be used to filter the air passing through the accommodating space. The replaceable filter device according to claim 1, wherein the frame base unit includes an outer frame, the outer frame has a surrounding wall surrounding the periphery of the accommodating space, and respectively extending from both sides of the surrounding wall A first side and a second side protruding from the center, the first side and the second side are respectively located on two opposite sides of the accommodating space, and are used to stop and limit the filter unit . The replaceable filter device according to claim 2, wherein the frame base unit further includes a net frame arranged between the first side of the outer frame and the filter unit, and used for supporting The support supports the filter unit, and the net frame has a plurality of mesh holes through which air can pass. The replaceable filter device according to claim 3, wherein the frame base unit further includes at least one grid, and the at least one grid is detachably disposed on the second side of the outer frame and the filter unit And is used to limit the position so that the filter unit cannot be separated from the second side. The replaceable filter device according to claim 4, wherein the at least one bar has a bar shape, a V shape, a U shape, a W shape, or a wave shape. The replaceable filter device according to claim 1, wherein the frame seat unit includes a frame-shaped seat body, and a frame-shaped cover body that is openably connected to the seat body, and the connected The cover body cooperates with the base body to define the accommodating space. The replaceable filter device according to claim 6, wherein the seat body has a first surrounding wall surrounding the periphery of the accommodating space, and a side from the first surrounding wall away from the cover to the center The first side edge is bent and protruded, the cover has a second surrounding wall surrounding the periphery of the containing space and detachably connected to the first surrounding wall, and a second surrounding wall away from the seat body One side is bent and protruded toward the center of the second side, the first side and the second side are respectively located on two opposite sides of the accommodating space, and are used to stop and limit the filter unit. The replaceable filter device according to any one of claims 1 to 7, wherein the filter material of the filter unit has a plate-shaped filter body with a shape corresponding to the containing space. The replaceable filter device according to claim 8, wherein the filter material further has a plurality of filter particles dispersed in the filter body. The replaceable filter device according to claim 9, wherein the filter unit further includes a cloth cover covering the filter material and having air permeability. The replaceable filter device according to claim 8, wherein the filter body is made of non-woven fabric, woven fabric, foam or fine mesh. The replaceable filter device according to any one of claims 1 to 7, wherein the filter material of the filter unit has a filter body that is repeatedly folded into a wave-shaped fold, and the filter unit further includes a surrounding connection The frame around the filter material to shape the filter material. The replaceable filter device according to claim 12, wherein the frame is made of paper. The replaceable filter device according to claim 12, wherein the filter material further has a plurality of filter particles dispersed in the filter body. The replaceable filter device according to claim 12, wherein the filter body is made of non-woven fabric, woven fabric, foam or fine mesh. The replaceable filter device according to claim 12, wherein the filter body has a plurality of folds arranged equidistantly, and the replaceable filter device further includes a fixed distance between the folds. Distance unit. The replaceable filter device according to claim 16, wherein the distance unit includes a plurality of protruding teeth at equal intervals and detachably inserted between the folding parts of the filter body.

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