TWM481748U - Respiratory filtration device - Google Patents

Description

Breathing filter

The present invention relates to a respiratory filtering device, and more particularly to a breathing filter device that can be worn on a person's neck or head to improve the convenience of wearing a respiratory filtering device.

With the emphasis on health care, various types of masks have become one of the indispensable must-have items in people's lives. In order to effectively prevent people from inhaling harmful substances in the air, such as dust mites or viruses, most types of masks are stacked with a plurality of layers of filter membranes for the aforementioned purposes. However, people wearing such a multi-layered mask are prone to sultry feelings, but will reduce people's willingness to wear masks.

Accordingly, the inventors have instead developed a breathing apparatus incorporating a mask, a filter, and a communication tube for communicating the mask and the filter so that the user can draw in the air purified by the filter via the communication tube.

However, the conventional breathing apparatus cannot be directly worn on the user, which makes it more inconvenient for people to carry the breathing apparatus for other work, and if the length of the connecting tube for connecting the mask and the filter is too long, the user is in the course of the activity. It is easy to accidentally hook the connecting tube, and the connecting tube and the filter or the mask are separated from each other, and even reduce the efficiency of the prior art breathing apparatus to block harmful substances in the air.

In view of the inconvenience caused by the prior art breathing apparatus, the present design designs a breathing filter device that can be worn on a person's neck or head to enhance the convenience of carrying and using the present breathing filter device.

In order to achieve the foregoing objective, the present invention provides a respiratory filtering device, comprising: a filter module having a housing and a filter member, the housing is formed to form an air outlet and an air inlet connected to each other, and The filter member is disposed on the casing and located between the air inlet and the air outlet; a connecting bent portion is connected to the filter module and has a connecting end and a free end, A connecting end of the connecting portion is connected to one side of the housing, and a connecting tube is embedded in the connecting bent portion, the connecting tube has two opposite ends, one end of the connecting tube is connected to the filtering mold a venting opening; an adjustable bending portion connected to the filter module and having a connecting end and a free end, wherein the connecting end of the adjustable bent portion is coupled to the other of the housing a side opposite to the connecting bend, and the free end of the adjustable bend is adjacent to the free end of the connecting bend and separated from each other; and a mask body connected to the connecting tube, the mask body having An exhaled space, and The exhalation space is in communication with the other end of the connecting tube; wherein an accommodating space is formed between the connecting connecting portion, the filter module and the adjustable curved portion, and the accommodating space is connected to the gap .

The breath filter device of the present invention has the following advantages: (1) Since the filter module is connected between the connecting bend and the adjustable bend, the free end of the connecting bend and the free end of the connecting bend A gap is formed between the connecting connecting portion, the filter module and the adjustable bending portion, so that the breathing filter device of the present invention can be directly sleeved on the neck or the head of the user. In the department, the breathing filter device for carrying the creation is conveniently carried out for various tasks; (2) the connecting curved portion of the breathing filter device of the present invention is connected to one side of the casing of the filter module, and the connecting pipe is buried. In the connecting bend, the connection between the flow tube and the filter module can be ensured to prevent the respiratory filter device from accidentally falling during the movement; (3) Since the breath filter device of the present invention is worn by the user The neck or the head can shorten the length of the connecting tube, thereby reducing the inconvenience caused by the user accidentally hooking the connecting tube during other work; and (4) the adjustable bending portion of the present invention is rotatably Connected to the housing On the other side, when the user wants to wear or remove the breath filter device of the present invention, the free end of the adjustable bend and the free end of the connection bend can be enlarged by rotating the adjustable bend. The gap is convenient for wearing or removing work.

Preferably, the adjustable bending portion has a bowl-shaped connecting member extending obliquely outward from the connecting end, the bowl-shaped connecting member having a peripheral wall, a plurality of elongated perforations and a plurality of curved protrusions, the length The perforation is spaced apart from the peripheral wall and extends to the wall edge of the peripheral wall, and the arcuate protrusions are arranged along the wall edge of the peripheral wall and disposed between the elongated perforations; the shell of the filter module The body has a perforation and a plurality of transverse elongate ribs recessed on the other side of the casing, the transverse elongate ribs extending laterally inwardly from the perforations and side by side to form a curved surface, and each The horizontal elongated ribs are recessed with a plurality of horizontally-arranged concave holes; wherein the curved protrusions of the bowl-shaped connecting member are selectively clamped to a part of the curved recesses, thereby making the adjustable The bent portion is rotatably connected to the other side of the filter module.

Preferably, the casing of the filter module comprises an upper casing portion, a lower casing portion and a connecting casing. The fan is disposed between the upper casing portion and the lower casing portion, and the air inlet is formed through The upper shell portion and the lower shell portion are respectively provided with an upper opening and a lower opening corresponding to each other, and the upper opening and the lower opening collectively define a connecting port, the upper shell portion and the lower portion The shell portions are respectively provided with an opening and a lower opening corresponding to each other, and the upper opening and the lower opening jointly define a through hole of the housing, and the connecting shell is disposed in the connecting opening.

Preferably, the bowl-shaped connecting member has a circular connecting surface which is adjacent to the connecting end of the adjustable curved portion, and the through-hole is larger than the circular connecting surface of the bowl-shaped connecting member.

Preferably, the upper casing portion includes an upper cover and a support shell, the upper cover is pivotally connected to the support shell, and the upper cover is formed through the air inlet, the support shell is formed through a through hole, and the outer cover is formed The tuyere is disposed in the connecting shell, wherein the air inlet, the opening and the air outlet are in communication with each other.

Preferably, the filter element of the filter module is a filter film covering the air inlet of the casing, and the filter module further has a fan disposed in the casing and located at the air outlet and Between the air inlets.

Preferably, the filter module further has a power supply unit and a control unit. The power supply unit is electrically connected to the fan, and the control unit is electrically connected to the power supply unit.

Preferably, the fan may be a blower fan or a centrifugal fan, but is not limited thereto.

Preferably, a circuit board is disposed between the fan and the power supply unit, and the fan and the power supply unit are electrically connected.

Hereinafter, embodiments of the present invention will be described by way of specific embodiments, and those skilled in the art can easily understand the advantages and effects of the present invention through the contents of the present specification, and carry out various kinds of spirits without departing from the spirit of the present creation. Modifications and changes to implement or apply the content of this creation.

Referring to FIG. 1 , the present invention provides a respiratory filtering device that can be worn on a neck or a head of a person. The breathing filter device has a filter module 10 , a connecting bend 20 , an adjustable bend 30 , and A mask body 40.

Referring to FIG. 1 and FIG. 2 , the filter module 10 has a housing 11 , a filter 12 , a fan 13 , a power supply unit 14 , and a control unit 15 . As shown in FIG. 2 to FIG. 4 , the housing 11 includes an upper housing portion 111 , a lower housing portion 112 , and a connecting housing 113 . The upper housing portion 111 includes a supporting housing 1111 and an upper cover 1112 . The upper cover 1112 is formed to be pivotally connected to the air inlet 1141. The upper cover 1111 is formed with a through hole 1142, an upper opening 1111 and an upper opening 1161. The air inlet 1141 of the upper cover 1112 is formed. It is in communication with the opening 1142 of the support shell 1111. The lower casing portion 112 is formed with a lower opening 1152 and a lower opening 1162. The lower opening 1152 is correspondingly disposed on the upper opening 1151, and defines a connection port 115 of the casing 11 together with the upper opening 1151, and the lower portion The opening 1162 is correspondingly disposed on the upper opening 1161, and defines a through hole 116 together with the upper opening 1161; the connecting shell 113 has a joint opening 1131 and an air outlet 1132 communicating with each other, and the connecting shell 113 is The utility model is disposed in the connection port 115. The support shell 1111 is connected to the upper cover 1112, the lower shell portion 112 and the connecting shell 113 to form the housing 11, thereby making the air inlet 1141 of the upper cover 1112 and the air outlet 1132 of the connecting shell 113 mutually Connected.

Referring to FIG. 2 to FIG. 4, the housing 11 further has a plurality of transverse elongated ribs 117, wherein a portion of the lateral elongated ribs 117 are formed to extend laterally from the inner wall of the upper opening 1161. On the shell 1111, another portion of the lateral elongated ribs 117 extends laterally from the inner wall of the lower opening 1162 to the lower shell portion 112, and each of the lateral elongated ribs 117 is recessed with a plurality of arcs arranged laterally. A recessed hole 1171.

Referring to FIG. 1 and FIG. 2, the filter member 12 is disposed on the support shell 1111, and the filter member 12 includes a filter membrane 121 and a periphery of the filter membrane 121 and a carrier portion of the filter membrane 121. 122. The load-bearing portion 122 is disposed between the support shell 1111 and the upper cover 1112 of the upper casing portion 111, so that the filter film 121 is located between the air inlet 1141 and the through-port 1142. Accordingly, the filter membrane 121 can be used to filter out harmful substances in the air passing through the air inlet 1141 to obtain a purified air.

The fan 13 is disposed in the casing 11 and is located between the upper casing portion 111, the lower casing portion 112 and the connecting casing 113. In this embodiment, the fan 13 is a blast fan, and has an air inlet 131 and an air outlet 132. The air inlet 131 of the air blowing fan is connected to the air inlet 1141 of the upper cover 1112. The air outlet 132 of the air blower fan is connected to the joint 1131 of the connecting shell 113, and the fan 13 is electrically connected to the power supply 14 and the control unit 15.

The connecting portion 20 is connected to the filter module 10 and has a connecting end 21 and a free end 22, and the connecting end 21 of the connecting portion 20 is connected to one side of the housing 11 and A connecting tube 23 is embedded in the connecting portion. The connecting tube 23 has opposite ends. One end of the connecting tube 23 is connected to the air outlet 1132 of the connecting shell 113, so as to penetrate the connecting shell 113 and the drum. The exhaust fan 132 of the wind fan is in communication.

The adjustable bending portion 30 is connected to the filter module 10 and has a connecting end 31 and a free end 32. The connecting end 31 of the adjustable bending portion 30 is fixed to the other of the housing 11. The side is opposite to the connecting bend 20, and the power supply 14 and the control unit 15 are mounted on the adjustable bend 30. Here, a gap D is formed between the free end 32 of the adjustable bend 30 and the free end 32 of the connecting bend 31, and the length of the gap D is smaller than the width of the neck or head of the user, and Between the connecting connecting portion 20, the filter module 10 and the adjustable bending portion 30, an accommodating space communicating with the gap D is formed, and the accommodating space can be used for wearing a neck or a head of a user. .

In this embodiment, the adjustable bending portion 30 has a bowl-shaped connecting member 33 which is formed by obliquely extending outwardly from the connecting end 31 of the adjustable bending portion 30, and the bowl-shaped connecting member 33 has an immediate vicinity. A circular connecting surface of the connecting end 31 of the adjustable bending portion 30 is disposed on the other side of the housing 11 through the bowl-shaped connecting member 33. Referring to FIG. 2 and FIG. 5 , the bowl-shaped connecting member 33 has a peripheral wall 331 , a plurality of long-shaped perforations 332 , and a plurality of curved protrusions 333 . The peripheral wall 331 has an arc-shaped structure, and the elongated perforations 332 . The arcuate protrusions 333 are arranged along the wall edge of the peripheral wall 331 and are disposed between the elongate perforations 332.

According to the present invention, the shape of the arcuate protrusions 333 corresponds to the shape of the arcuate recessed holes 1171 on the laterally elongated strips 117, so that the arcuate bumps 333 of the bowl-shaped connecting members 33 are formed. The adjustable curved portion 30 is rotatably attached to the other side of the filter module 10. Referring to FIG. 6 and FIG. 7 , when the support shell 1111 and the lower shell portion 112 of the upper shell portion 111 are assembled into one body, the lateral strip fins 117 are arranged side by side to form a curved surface, and the curved surface is formed. The shape corresponds to the shape of the peripheral wall 331 of the bowl-shaped connecting member 33, and the shape of the arcuate projections 333 corresponds to the shape of the arcuate recessed holes 1171 in the laterally elongated ribs 117. Accordingly, when the adjustable bending portion 30 is attached to the housing 11, the bowl-shaped connecting member 33 of the adjustable bending portion 30 is installed in the through hole 116 of the housing 11, and the bowl-shaped connecting member 33 The arcuate protrusions 333 are selectively fastened in the partial arcuate recesses 1171, so that the adjustable bends 30 are rotatably attached to the other side of the housing 11 and penetrate the arcs of each other. The shaped bump 333 and the curved recessed hole 1171 enable the bowl-shaped connecting member 33 to be stably attached to the other side of the housing 11.

The arcuate recessed hole 1171 recessed in the laterally elongated rib 117 can also be replaced with the curved bump 333 protruding from the peripheral wall 331 of the bowl-shaped connecting member 33, that is, in another embodiment. The arcuate recess may be recessed in a peripheral wall of the bowl-shaped connecting member, and the arcuate bump may protrude from the lateral elongated rib.

Referring to FIG. 1 and FIG. 2, the mask body 40 has an exhalation space 41. One end of the communication tube 23 is connected to the air outlet 1132 of the connecting shell 113, and the air outlet 1132 is connected to the air outlet. 132. The air inlet 131, the port 1142, and the air inlet 1141 are in communication, and the other end of the communication tube 23 is in communication with the exhalation space 41 of the mask body 40. In use, the mask body 40 is disposed on the nose and mouth of the user. Since the mask body 40 communicates with the filter module 10 through the communication tube 23, the air is introduced into the air through the air inlet 1141. The harmful substances are first filtered by the filter membrane 121, and then introduced into the exhalation space 41 through the through-port 1142, the air inlet 131, the air outlet 132, the joint 1131, the air outlet 1132, and the communication tube 23. Make sure that the gas inhaled by the user is clean, clean air.

When the user wants to wear the breathing filter device of the present invention, the adjustable bending portion 30 can be fixedly rotated along the axis of the bowl connecting member 33, thereby adjusting the free end 22 of the connecting curved portion 20 and the adjustable bending portion. The gap D between the free ends 32 of the portion 30 facilitates the user to wear the breath filter device of the present invention to the neck or head.

As shown in FIG. 3 and FIG. 4, the opening 1161 of the supporting shell 1111 extends from the side to the leading edge, so that the opening 1161 above the supporting shell 1111 is larger than the lower opening 1162 of the lower shell 112; As shown in FIG. 8 and FIG. 9 , the through hole 116 is larger than the circular connecting surface of the bowl-shaped connecting member 33 , so the adjustable curved portion 30 can be rotated toward or away from the upper casing portion 111 , thereby adjusting The gap D between the free end 62 of the connecting bend 20 and the free end 32 of the adjustable bend 30 facilitates the user to wear the breath filter device of the present invention to the neck or head.

According to the present invention, since the bowl-shaped connecting member 33 is formed with a plurality of long-shaped perforations 332, and the bowl-shaped connecting member 33 has elasticity, when the bowl-shaped connecting member 33 is pressed by an external force, the bowl-shaped connecting member 33 can be deformed and inserted into the through hole 116 of the housing 11 to connect the bowl-shaped connecting member 33 to the other side of the housing 11, thereby ensuring that the breathing filter device can be stably suspended on the user; Referring to FIG. 10 again, when the respiratory filtering device is to be detached from the user, the bowl-shaped connecting member 33 can be deformed by external force pulling, and the adjustable curved portion 30 is self-pierced 116. Pulled out and separated from the housing 11. Accordingly, the user can assemble or separate the housing 11 and the adjustable curved portion 30 according to different use requirements, thereby improving the convenience of the user to wear the respiratory filtering device to the neck or the head.

10‧‧‧Filter module
11‧‧‧Shell
111‧‧‧Upper shell
1111‧‧‧Support shell
1112‧‧‧Upper cover
112‧‧‧ Lower shell
113‧‧‧Connecting shell
1131‧‧‧ joint
1132‧‧‧air outlet
1141‧‧‧ inlet
1142‧‧‧ mouth
115‧‧‧Connecting port
1151‧‧‧Opening
1152‧‧‧ opening
116‧‧‧Perforation
Opening on 1161‧‧
1162‧‧‧ opening
117‧‧‧Horizontal long ribs
1171‧‧‧Shaft recessed holes
12‧‧‧Filter
121‧‧‧Filter membrane
122‧‧‧Loading Department
13‧‧‧Fan
131‧‧‧Air inlet
132‧‧‧ exhaust vents
14‧‧‧Power supply
15‧‧‧Control unit
20‧‧‧Connecting the bend
21‧‧‧Connecting end
22‧‧‧Free end
23‧‧‧Connected pipe
30‧‧‧Adjustable bend
31‧‧‧Connected end
32‧‧‧Free end
33‧‧‧Bowl connection
331‧‧‧The wall
332‧‧‧Long perforation
333‧‧‧arc bumps
40‧‧‧ mask body
41‧‧‧Exhale space
D‧‧‧ gap

1 is a perspective view of an embodiment of the present invention. Figure 2 is an exploded view of an embodiment of the present invention. Figure 3 is a plan view of a support shell of an embodiment of the present invention. Figure 4 is a plan view of the lower casing portion of an embodiment of the present invention. Figure 5 is a partially exploded view of an embodiment of the present invention. Figure 6 is a side elevational, partial cross-sectional view of an embodiment of the present invention. Figure 7 is a top plan cross-sectional view of an embodiment of the present invention. FIG. 8 is a view showing a state before the adjustable curved portion is rotated before an embodiment of the present invention. FIG. 9 is a view showing a state in which the adjustable bent portion is rotated after the creation of an embodiment. FIG. 10 is a view showing a state in which the adjustable bent portion is separated from the casing in an embodiment of the present invention.

10‧‧‧Filter module

1141‧‧‧ inlet

20‧‧‧Connecting the bend

23‧‧‧Connected pipe

30‧‧‧Adjustable bend

40‧‧‧ mask body

41‧‧‧Exhale space

D‧‧‧ gap

Claims (9)

A breathing filter device has a filter module having a casing and a filter member, the casing is formed with an air outlet and an air inlet connected to each other, and the filter member is disposed on the shell The body is located between the air inlet and the air outlet; a connecting bent portion is connected to the filter module, and has a connecting end and a free end, and the connecting end of the connecting bent portion is connected One side of the housing is disposed, and a connecting tube is embedded in the connecting curved portion, the connecting tube has two opposite ends, one end of the connecting tube is connected to the air outlet of the filter module; an adjustable bending The portion is connected to the filter module and has a connecting end and a free end, and the connecting end of the adjustable bent portion is rotatably connected to the other side of the housing and connected thereto a curved portion is formed, and a gap is formed between the free end of the adjustable curved portion and the free end of the connecting curved portion; and a mask body is connected to the connecting tube, the mask body having an exhalation space, Exhalation space system and the connecting tube One end of communication; wherein the bend line is formed between the connection part are connected to each other, the filter module, and the adjustable curved portion has a receiving space, the receiving space is connected through lines with the gap. The breathing filter device of claim 1, wherein the adjustable bending portion has a bowl-shaped connecting member extending obliquely outwardly from the connecting end, the bowl-shaped connecting member having a peripheral wall, a plurality of elongated perforations and a plurality of An arcuate projection, the elongate perforations are spaced apart from the peripheral wall and extend to a wall edge of the peripheral wall, and the arcuate projections are arranged along a wall edge of the peripheral wall and disposed on the elongated perforation The casing of the filter module has a perforation and a plurality of transverse elongated ribs recessed on the other side of the casing, the transverse elongated ribs extending laterally inwardly from the perforations and side by side Forming a curved surface, and each of the horizontal elongated ribs is recessed with a plurality of horizontally-arranged concave holes; wherein the curved protrusions of the bowl-shaped connecting member are selectively clamped to a part of the curved shape a recessed hole for rotatably connecting the adjustable bend to the other side of the filter module. The breathing filter device of claim 2, wherein the casing of the filter module comprises an upper casing portion, a lower casing portion and a connecting casing, and the fan is disposed between the upper casing portion and the lower casing portion. And the air inlet opening is formed in the upper shell portion, wherein the upper shell portion and the lower shell portion are respectively provided with an upper opening and a lower opening corresponding to each other, and the upper opening and the lower opening jointly define a connecting port The upper shell portion and the lower shell portion respectively have an upper opening and a lower opening corresponding to each other, wherein the upper opening and the lower opening jointly define a perforation of the housing, and the connecting shell is worn Located in the connection port. The breathing filter device of claim 3, wherein the bowl-shaped connecting member has a circular connecting surface adjacent to the connecting end of the adjustable bending portion, and the perforation of the housing is larger than the bowl-shaped connecting member The circular connection surface. The breathing filter device of claim 3, wherein the upper casing portion comprises an upper cover and a support shell, the upper cover is pivotally connected to the support shell, and the upper cover is formed through the air inlet, and the support shell is disposed A through port is formed, and the air outlet is disposed in the connecting shell, wherein the air inlet, the opening and the air outlet are in communication with each other. The respiratory filter device of any one of claims 1 to 5, wherein the filter element of the filter module is a filter film covering the air inlet of the casing, and the filter module further has a fan. The system is disposed in the housing and is located between the air outlet and the air inlet. The breathing filter device of claim 6, wherein the filter module further has a power supply unit and a control unit, the power supply unit is electrically connected to the fan, and the control unit is electrically connected to the power supply unit Sexual connection. The breathing filter device of claim 6, wherein the fan is a blower fan or a centrifugal fan. The breathing filter device of claim 8, wherein a circuit board is further disposed between the fan and the power supply unit, and the fan and the power supply unit are electrically connected.