CN217311673U

CN217311673U - Air purifying device

Info

Publication number: CN217311673U
Application number: CN202121295208.2U
Authority: CN
Inventors: 陈映亦
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-08-30
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses an air purification device, it includes a device body, a plurality of functional subassembly and a mounting. The device body extends along a central axis in one direction to form an arc surface, and the device body defines a first space along the other direction of the central axis. The plurality of functional components are arranged on the device body and are selected from at least one of the group consisting of a negative pressure module and a filtering module. The negative pressure die set generates a negative pressure air flow to the first space. The filtering module comprises at least one first filtering element. The two ends of the fixing piece are detachably connected with the device body into a whole. Two ends of the fixing piece extend oppositely to form a head fixing part.

Description

Air purifying device

Technical Field

The utility model relates to an air purification device especially relates to an air purification device with negative pressure module and filtration module.

Background

Most of the existing masks are planar, and the existing masks have poor tightness with the area near the mouth and nose parts of users. In addition, if the mask is made of activated carbon, although the activated carbon can adsorb organic gas, air particles or most microorganisms cannot be effectively filtered; when the mask is made of cloth, although the electrostatic fiber cloth and the filter screen layer can block submicron particles, the mask is not used frequently and should be replaced every day, and if the mask is a planar mask, the problem of the tightness between the mask and the face needs to be noticed.

Therefore, it is one of the important issues to be solved by the industry to improve the protection and filtering effects of the entire mask to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an air purification device is provided to the not enough of prior art.

In order to solve the above technical problem, the present invention provides an air purification device, which comprises a device body, a plurality of functional assemblies and a fixing member. The device body extends along a central axis in one direction to form an arc surface, and the other direction of the device body along the central axis is defined as a first space. The functional components are arranged on the device body and are selected from at least one of a group consisting of a negative pressure module and a filtering module. The negative pressure module generates a negative pressure air flow to the first space. The filtering module comprises at least one first filtering element. The two ends of the fixing piece are detachably connected with the device body into a whole. Two ends of the fixing piece extend oppositely to form a head fixing part.

The utility model discloses an one of them beneficial effect lies in, the utility model provides an air purification device, it can set up on the device body through "a plurality of functional subassembly, a plurality of functional subassembly select from at least one in the group that a negative pressure module and a filtration module are constituteed, the negative pressure module produces a negative pressure air current to first space, it includes that the both ends detachable of an at least first filtration piece" and "mounting links into an integrated entity with the device body to filter the module, the relative extension in both ends of mounting forms the technical scheme of head fixed part", the air that the user breathes out from the oral nasal part sends the external world via negative pressure module discharge, filter the automatic fresh air that inhales of module simultaneously, and fresh air filters biological or non-biological material through the first filtration piece separation of filtering the module, let high-quality air can get into user's nasal cavity.

For a further understanding of the nature and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Drawings

Fig. 1 is a front view schematically illustrating a device body, a negative pressure module, and a filtering module of an air purifying device according to a first embodiment of the present invention;

fig. 2 is a rear view schematically illustrating the device body, the negative pressure module and the filtering module of the air purifying device according to the first embodiment of the present invention;

fig. 3 is a schematic top view of an air purification apparatus according to a first embodiment of the present invention;

fig. 4 is a schematic use view of an air purification apparatus according to a first embodiment of the present invention;

fig. 5 is a schematic view of a negative pressure module of an air purification apparatus according to a first embodiment of the present invention;

fig. 6 is another schematic view of the negative pressure module of the air purification apparatus according to the first embodiment of the present invention;

fig. 7 is an exploded view of the negative pressure module of the air purification apparatus according to the first embodiment of the present invention;

fig. 8 is a schematic view of a filtering module of an air purifying device according to a first embodiment of the present invention;

fig. 9 is another schematic view of a filtering module of the air purifying device according to the first embodiment of the present invention;

fig. 10 is a schematic view of a fixing member of an air cleaning device according to a first embodiment of the present invention;

fig. 11 is a front view schematically illustrating a device body and a filtering module of an air purifying device according to a second embodiment of the present invention;

fig. 12 is a front view schematically illustrating a device body and a negative pressure module of an air purification device according to a third embodiment of the present invention.

Detailed Description

The following embodiments are provided to explain the present invention by specific examples, and to enable those skilled in the art to understand the advantages and effects of the present invention from the disclosure. The utility model discloses the concrete embodiment of accessible other differences is carried out or is used, and each item detail in this specification also can be based on different viewpoints and application, does not deviate from the utility model discloses a carry out various modifications and changes under the design. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.

[ first embodiment ]

Referring to fig. 1 to 8, a first embodiment of the present invention provides an air purification apparatus, including: a device body 1, a negative pressure module 2, a filtering module 3 and a fixing member 4.

The device body 1 may be used to cover the mouth-nose portion of a user U. The apparatus body 1 has a central region and a peripheral region (at least one peripheral region on one side of the central region) surrounding the central region. As shown in fig. 1 to 4, the device body 1 has a central axis 11, the device body 1 extends along the central axis 11 to a first direction 111 to form an arc, and a first space 112 is defined by the device body 1 facing to another direction opposite to the first direction 111 along the central axis 11. For example, when the user U wears the air purification device of the present invention, the direction of the center axis 11 center point facing the top of the head of the user is defined as the upper direction, and the direction of the center axis 11 center point away from the top of the head of the user is defined as the lower direction. The device body 1 extends along the central axis 11 in a first direction 111 away from the mouth-nose portion of the user U to form an arc and define a first space 112 between the device body 1 and the mouth-nose portion of the user U. The device body 1 is provided with a first positioning groove 12 at one side relative to the central axis 11, a second positioning groove 14 at the other side relative to the central axis 11 of the device body 1, and at least one first through hole 13 and at least one second through hole 15 at the peripheral area of the device body 1.

In one embodiment, the device body 1 is made of a soft material, such as but not limited to, a silicone rubber made of a transparent medical material, so that the mouth or the relevant part of the face of the hearing-impaired user can be viewed from the outside, and the hearing-impaired user can communicate with the mouth by using the lip reading method.

In detail, the first positioning groove 12 and the second positioning groove 14 are respectively disposed on two sides of the device body 1 relative to the central axis 11, and the positions, shapes and sizes of the first positioning groove 12 and the second positioning groove 14 can be adjusted according to actual requirements. For example, in the embodiment, the first positioning groove 12 and the second positioning groove 14 are symmetrically disposed with respect to the central axis 11, and the positions of the first positioning groove 12 and the second positioning groove 14 corresponding to the face of the user U are far away from the mouth and nose portions, i.e., the first positioning groove 12 and the second positioning groove 14 viewed from the outside do not block the mouth and nose portions, which not only does not affect the lip reading communication, but also can prevent the user U from having discomfort when wearing the air purifying device.

Furthermore, the first positioning groove 12 and the second positioning groove 14 may have the same shape and size. Because the first positioning groove 12 and the second positioning groove 14 are used for accommodating the positioning negative pressure module 2 and the filtering module 3, respectively, when the shapes and sizes of the negative pressure module 2 and the filtering module 3 are the same, the first positioning groove 12 can accommodate the positioning negative pressure module 2 and the second positioning groove 14 can accommodate the positioning filtering module 3, or the first positioning groove 12 can accommodate the positioning filtering module 3 and the second positioning groove 14 can accommodate the positioning negative pressure module 2. In addition, the shapes and sizes of the first positioning groove 12 and the second positioning groove 14 can be adjusted according to the shapes and sizes of the negative pressure module 2 and the filtration module 3, respectively, in this case, the first positioning groove 12 can accommodate the positioning negative pressure module 2 and the second positioning groove 14 can accommodate the positioning filtration module 3; on the other hand, the shapes and sizes of the first positioning groove 12 and the second positioning groove 14 can be adjusted according to the shapes and sizes of the filtering module 3 and the negative pressure module 2, in which case, the first positioning groove 12 can accommodate the positioning filtering module 3 and the second positioning groove 14 can accommodate the positioning negative pressure module 2. In a preferred embodiment, the first positioning groove 12 of the present invention can accommodate the positioning negative pressure module 2 and the second positioning groove 14 can accommodate the positioning filtering module 3.

At least one first through hole 13 and at least one second through hole 15 are respectively disposed in a peripheral region of the device body 1 (as shown in fig. 1 to 4) relative to the central axis 11, so as to allow two ends of the fixing member 4 to pass through and be detachably connected to the device body 1. In detail, in the present embodiment, in order to match the two ends of the fixing member 4, the two belt structures are respectively included, the number of the at least one first through hole 13 is 2, and the number of the at least one second through hole 15 is 2, so that the tension of the fixing member 4 is moderate when the user wears the fixing member, but the present invention is not limited thereto. In addition, the shape and size of the at least one first through hole 13 and the at least one second through hole 15 can be adjusted according to the two ends of the fixing member 4, which is not limited herein.

In one embodiment, at least one edge of the side of the device body 1 facing the first space 112 may protrude toward the first space 112 to form a first cushion unit 16 (as shown in FIG. 2). In detail, in the present embodiment, the first cushion unit 16 is formed at the upper edge, the left edge, the right edge and the lower edge of the side of the apparatus body 1 facing the first space 112, and they are connected to each other. The first pad unit 16 may be made of soft silicone, but the present invention is not limited thereto. Further, the apparatus body 1 and the first cushion unit 16 are integrally formed. Therefore, the air purification device of the present invention can form a closed cover by the first cushion unit 16 formed at the upper edge, the left edge, the right edge and the lower edge of the device body 1 facing to the first space 112, and abutting against the upper end, the cheek and the chin of the nose of the user U. In addition, in order to make the first cushion unit 16 cover more closely, the shape of the first cushion unit 16 formed at the upper edge of the side of the device body 1 facing the first space 112 can be adjusted corresponding to the upper end of the user's U-nose portion, so that the first cushion unit more conforms to the shape of the upper end of the user's U-nose portion, but the present invention is not limited thereto.

In the present embodiment, the negative pressure module 2 is disposed in the first positioning groove 12 (as shown in fig. 1 to 4). The negative pressure module 2 may at least include a fan 21 (as shown in fig. 7) and a first hood 22 (as shown in fig. 5 and 7), the fan 21 may generate a negative pressure airflow to the first space 112, the first hood 22 is disposed at a side of the negative pressure module 2 corresponding to the fan 21 and may have a plurality of first through holes 23, and the negative pressure airflow generated by the fan may flow through the plurality of first through holes 23. The number of the first through holes 23 may be 2, 3, 4 or more, which is not limited herein. The first through hole 23 may be disposed in the first fan housing 22 according to the shape of the first fan housing 22, and the shape thereof may be any geometric shape such as a square, a strip, an arc, a circle, an ellipse, and a polygon, which is not limited herein.

It should be noted that the negative pressure module 2 may further include a filter 24 (a second filter), the filter 24 (the second filter) is detachably disposed on the other side of the negative pressure module 2, and the filter 24 (the second filter) corresponds to the first wind cover 22 (as shown in fig. 6 and 7). The filter member 24 (the second filter member) is used to block or filter biological or non-biological substances released from the mouth and nose of the user U, but moisture generated during breathing or speaking can be exhausted to the outside through the negative pressure module 2, for example, one of a High-efficiency particulate air filter (HEPA), Polytetrafluoroethylene (PTFE), Polyurethane (PU), Polypropylene (PP), polyethylene, or any combination thereof.

In an embodiment, the negative pressure module 2 further includes a power supply unit (not shown) and a control unit (not shown), and the power supply unit (not shown) and the control unit (not shown) are electrically connected to the fan 21. The power supply unit (not shown) may be a rechargeable battery, preferably a rechargeable button battery, and can be charged by an external power source, wherein the charging method is well known in the art and will not be described herein. In addition, the negative pressure module 2 may further include a power switch electrically connected to the control unit (not shown) for controlling the operation of the fan 21.

In one embodiment, after the negative voltage module 2 is charged, the user U turns on the power switch to activate the fan 21, and when the power supply unit is lower than a first predetermined voltage, the control unit (not shown) sends a control command to stop the activation of the fan 21, and at this time, the user U can connect the negative voltage module 2 to the external power source to charge the negative voltage module. In the charging process, the control unit (not shown in the figure) may send a charging reminding signal through a reminding unit, such as but not limited to a Light-emitting diode (LED) lamp, disposed in the negative voltage module 2, and when the power supply unit (not shown in the figure) reaches a second predetermined voltage, the control unit (not shown in the figure) stops sending the charging warning signal. In addition, during the charging process, the control unit (not shown) simultaneously sends out a forced stop control command to the fan 21 so that the fan 21 cannot generate any action, when the power supply unit (not shown) finishes charging, and the user U turns off the power switch, the control unit (not shown) stops sending out the forced stop control command to the fan 21, and the user U turns on the power switch again to start the action of the fan 21. In this embodiment, the first predetermined voltage may be 2.8V, the second predetermined voltage may be 4.2V, but the first predetermined voltage and the second predetermined voltage may be adjusted according to the use requirement, which is not limited by the present invention.

In the present embodiment, the filtering module 3 is disposed in the second positioning groove 14 (as shown in fig. 1, 2 and 4). The filter module 3 has an accommodating space 31 therein, and the accommodating space 31 is used for accommodating at least one filter 32 (a first filter) (as shown in fig. 9). The filter 32 (the first filter) is used to block or filter external biological or non-biological substances, such as one selected from High-efficiency particulate air (HEPA), Polytetrafluoroethylene (PTFE), Polyurethane (PU), Polypropylene (PP), polyethylene, or any combination thereof. In a preferred embodiment, the filter 32 (the first filter) is ptfe, thereby effectively blocking fine suspensions of PM2.5 and having excellent thermal stability, low dielectric constant and flame resistance.

At least one second hood 33 (as shown in fig. 8) may be further disposed at one side of the filtering module 3 for adjusting the amount of air sucked. In one embodiment, the number of the second wind shields 33 is 1, and corresponds to at least one first filter 32. The second wind cover 33 has a plurality of second through holes 34, and the number of the second through holes 34 may be 2, 3, 4 or more, which is not limited herein. The shape of the second through hole 34 may be any geometric shape, such as a square, a long strip, a circular arc, a circle, an ellipse, a polygon, and the like, without limitation.

The two ends 41 of the fixing member 4 are detachably connected to the apparatus body 1 through at least one first through hole 13 and at least one second through hole 15, respectively, and the two ends 41 of the fixing member 4 extend to form a head fixing portion 42. In detail, the two ends 41 of the fixing member 4 can be both belt structures, in this embodiment, the two ends of the fixing member respectively include two belt structures, one end of each belt structure is a free end, and the other end of each belt structure is connected to the head fixing member 42 (as shown in fig. 8).

In one embodiment, as shown in fig. 10, the free end of each band structure has a tenon portion 411, a plurality of positioning holes 412 are spaced apart from the band structure at a distance, the free end of each band structure can pass through the first through hole 13 or the second through hole 15 by a predetermined length, and then be folded back, and the tenon portion 411 is fastened to one of the positioning holes 412, so that the fixing member 4 is connected to the device body 1, and the predetermined length can be adjusted according to the head circumference or the usage habit of the user U, so that the user U can wear the air purification device more tightly or comfortably.

In one embodiment, each of the strap structures has a strap component 411a (e.g., a loop or hook structure, not shown) at a free end thereof, a corresponding strap component 412a (e.g., a hook or loop structure, not shown) is disposed on the strap structure away from the free end, the free end of each strap structure can pass through the first through hole 13 or the second through hole 15 for a predetermined length, and then be folded back, and the strap component 411a (e.g., a loop or hook structure, not shown) can be adhered to the corresponding strap component 412a (e.g., a hook or loop structure, not shown) to connect the fixing component 4 to the device body 1, and the predetermined length can be adjusted according to the head circumference or usage habit of the user U, so that the user U can wear the air purifying device more tightly or comfortably.

The head fixing portion 42 may have any shape as long as it can support and comfortably fix the air cleaning device to the mouth-nose portion of the user U. For example, in the present embodiment, the head fixing portion 42 is an oval shape and has a plurality of third through holes 421 (as shown in fig. 10), which not only can achieve the fixing effect, but also has the ventilation effect. In another embodiment, the head fixing portion 42 may be any geometric shape such as a square, a long strip, an arc, a circle, an ellipse, a polygon, and the like, and may further have a plurality of third through holes 421, wherein the number and the shape of the plurality of third through holes 421 may be adjusted according to actual use requirements.

However, the above-mentioned example is only one of the possible embodiments and is not intended to limit the present invention.

[ second embodiment ]

The difference between the second embodiment and the first embodiment is that the first positioning slot 12 and the second positioning slot 14 are used to accommodate the filtering module 3. It should be noted that other structures of the air purification device provided in the second embodiment are similar to those of the first embodiment, and are not described herein again.

As shown in fig. 11, in the present embodiment, the first positioning slot 12 and the second positioning slot 14 are used for accommodating the filtering modules 3, that is, two filtering modules 3 are disposed on the device body 1, but no negative pressure module 2 is disposed. In addition, at least one filter 32 (first filter) is disposed in the filtering module 3, so that the filter can be used for blocking or filtering external biological or non-biological substances. The at least one filter 32 (the first filter) may be selected from one of a High-efficiency particulate air (HEPA), Polytetrafluoroethylene (PTFE), Polyurethane (PU), Polypropylene (PP), polyethylene, or any combination thereof. In a preferred embodiment, the filter 32 (the first filter) is ptfe, thereby effectively blocking fine suspensions of PM2.5 and having excellent thermal stability, low dielectric constant and flame resistance.

[ third embodiment ]

The difference between the third embodiment and the first embodiment is that the first positioning groove 12 and the second positioning groove 14 are used to accommodate the positioning negative pressure module 2. It should be noted that other structures of the air purification device provided in the third embodiment are similar to those of the first embodiment, and are not described herein again.

As shown in fig. 12, in the present embodiment, the first positioning groove 12 and the second positioning groove 14 are used to accommodate the negative pressure modules 2, that is, two negative pressure modules 2 are disposed on the device body 1, but no filtering module 3 is disposed. In addition, in the present embodiment, the fan 21 of one of the two negative pressure modules 2 can generate a negative pressure airflow to the first space 112, and the fan 21 of the other of the two negative pressure modules 2 can generate a reverse negative pressure airflow to the first space 112, that is, the filter 24 (second filter) of one of the two negative pressure modules 2 is used to block or filter the biological or non-biological substances released from the mouth and nose of the user U, but the moisture during breathing or speaking can be exhausted to the outside through one of the two negative pressure modules 2, and the filter 24 (second filter) of the other of the two negative pressure modules 2 is used to block or filter the biological or non-biological substances outside, and the filtered clean air is delivered to the first space 112 through the other of the two negative pressure modules 2 to be provided to the user U.

It should be noted that the filter member 24 (second filter member) may be selected from one of a High-efficiency particulate air filter (HEPA), Polytetrafluoroethylene (PTFE), Polyurethane (PU), Polypropylene (PP), polyethylene, or any combination thereof, for example.

However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

[ advantageous effects of the embodiments ]

The utility model discloses an one of them beneficial effect lies in, the utility model provides an air purification device, it can set up on the device body through "a plurality of functional subassemblies, a plurality of functional subassemblies are selected from at least one in the group that a negative pressure module and a filtration module are constituteed, the negative pressure module produces a negative pressure air current to first space, it includes that at least one first filter piece" and "the both ends detachable of mounting links into an integrated entity with the device body to strain the module, the technical scheme of the relative extension formation head fixed part in both ends of mounting", the air of user self-imposed nasal part exhalation sends the external world via negative pressure module, strain the automatic fresh air that inhales of module simultaneously, and fresh air filters biological or non-biological material through the first filter piece separation of straining the module, let high-quality air can get into user's nasal cavity.

Furthermore, the utility model provides an air purification device, its device body and mounting detachable are monomer separately, convenient storage, and can wash and accomodate the convenience after the device body removes the negative pressure module and strains clean module.

The above disclosure is only a preferred and feasible embodiment of the present invention, and is not intended to limit the scope of the claims of the present invention, so that all the equivalent technical changes made by the contents of the specification and the drawings are included in the scope of the claims of the present invention.

Claims

1. An air purification apparatus, characterized in that the air purification apparatus comprises:

the device body is used for covering the mouth and nose parts of a user, the device body extends along a middle axial direction to form an arc surface, and the other direction of the device body along the middle axial direction is defined as a first space;

a plurality of functional components arranged on the device body, wherein the functional components are at least one selected from the group consisting of a negative pressure module and a filter module, the negative pressure module generates a negative pressure airflow to the first space, and the filter module comprises at least one first filter element and an

The two ends of the fixing piece are detachably connected with the device body into a whole, and the two ends of the fixing piece extend oppositely to form a head fixing part.

2. The air purification device as claimed in claim 1, wherein the device body is made of silicone rubber of a transparent medical material.

3. The air cleaning device according to claim 1, wherein a peripheral area of a side of the device body facing the first space protrudes toward the first space to form at least one first cushion unit.

4. The air purification device of claim 3, wherein the at least one first pad unit is made of soft silicone, and the device body and the at least one first pad unit are integrally formed.

5. The air purification device as claimed in claim 1, wherein the negative pressure module further comprises a second filter; wherein the second filter element is a High-efficiency air particulate filter (HEPA), Polytetrafluoroethylene (PTFE), Polyurethane (PU), Polypropylene (PP), or polyethylene.

6. The air purification apparatus of claim 5, wherein the second filter is removably disposed in the negative pressure module.

7. The air purification apparatus of claim 1, wherein the at least one first filter element is a High-efficiency particulate air (HEPA) filter, a Polytetrafluoroethylene (PTFE), a Polyurethane (PU), a Polypropylene (PP), or a polyethylene.

8. The air purification apparatus of claim 7, wherein the at least one first filter element is Polytetrafluoroethylene (PTFE).

9. The air cleaning device according to claim 1, wherein the fixing member is connected to the device body by a snap-fit manner.