JP6854397B2 - Dustproof filter used in blowers and blowers - Google Patents

Description

The present invention relates to a blower with a filter provided with a filter and a filter used in the blower.

As a conventional example of a filter for a heat exchange device, a filter provided between an air supply port of a blower of the heat exchange device and a heat exchange element inside the blower is known. Inside the blower, a mounting portion for mounting the filter on the blower is provided.

By removing the filter from the mounting portion and removing the collected material collected by the filter, clogging of the heat exchange element can be prevented (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2008-249290

In such a conventional blower with a filter, when the filter is removed from the mounting portion, the filter opening area is open to the air supply port, so that there is a problem that the collected material falls out of the filter. Had had.

Therefore, the present invention solves the above-mentioned conventional problems, and provides a blower with a filter that prevents the collected material collected by the filter from falling out of the filter when the filter is removed from the mounting portion. The purpose is.

The blower according to one aspect of the present invention is a blower having an air supply port and an exhaust port. In the blower, the air blower provided inside and the air sucked from the air supply port by the blower portion pass through the opening. , A dustproof part provided to pass through the filter and a filter shutter attached to the dustproof part so as to slide along the opening surface of the opening of the dustproof part, and the dustproof part can be removed from the blower. When the dustproof part is removed from the blower, the filter shutter slides, a part of the filter shutter covers the opening of the dustproof part, and the filter has a bag-shaped mesh member and the mesh. The filter shutter includes a frame body connecting the opening sides of the members, the filter shutter opening forming the opening, and a side wall guide erected from the periphery of the filter shutter opening to the filter side. The frame body and the side wall guide are in contact with each other on two different surfaces, thereby achieving the intended purpose.

According to the present invention, it is possible to provide a blower capable of easily removing the dustproof portion from the blower while suppressing the fall of the collected material collected by the filter.

It is an overall perspective view which shows the blower of embodiment of this invention. It is a partial cross-sectional perspective view which shows the state which the dustproof part was attached to the blower of embodiment of this invention. It is a partial cross-sectional perspective view of the state which the dustproof part was removed from the blower of embodiment of this invention. It is a perspective view which shows the state which the dustproof part of embodiment of this invention is attached to a blower. It is a perspective view which shows the state which the dustproof part of embodiment of this invention is removed by a blower. It is an exploded perspective view which shows the dust-proof part of embodiment of this invention. It is a partial cross-sectional perspective view which shows the bonding state of the filter and the frame of embodiment of this invention. It is a perspective view of the frame of embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the embodiments shown below exemplify a blower for embodying the technical idea of the present invention, and the present invention does not specify the blower to the following. In addition, the members shown in the claims are by no means specified as the members of the examples. Unless otherwise specified, the dimensions, materials, shapes, relative arrangements, etc. of the constituent members described in the embodiments are not intended to limit the scope of the present invention to that alone, but merely described. It's just an example. The size and positional relationship of the members shown in each drawing may be exaggerated to clarify the explanation. Further, in the following description, members of the same or the same quality are shown with the same name and reference numeral, and detailed description thereof will be omitted as appropriate. Further, each element constituting the present invention may be configured such that a plurality of elements are composed of the same member and the plurality of elements are combined with one member, or conversely, the function of one member is performed by the plurality of members. It can also be shared and realized. In addition, the contents described in some examples and embodiments can be used in other embodiments and embodiments.

In the blower according to one aspect of the present invention, a blower having an air supply port and an exhaust port, a blower portion provided in the blower, and an airflow A sucked from the air supply port by the blower portion pass through the opening. A blower provided with a dustproof portion provided so as to pass through a filter and a filter shutter attached to the dustproof portion so as to slide along the opening surface of the opening of the dustproof portion. It is detachably locked to the blower, and when the dustproof portion is removed from the blower, the filter shutter slides, and a part of the filter shutter covers the opening of the dustproof portion.

As a result, when the dustproof part that is detachably locked to the blower is removed from the blower, the filter shutter of the dustproof part is slid so that a part of the filter shutter covers the filter opening. When the dustproof portion is removed from the blower, it is possible to prevent the collected material collected by the filter of the dustproof portion from falling from the filter opening. That is, it has an effect that the dustproof portion can be removed from the blower for maintenance while suppressing the fall of the collected material collected by the filter.

Further, in the present invention, in the dustproof portion, by arranging a filter shutter between the flat plate-shaped frame and the filter, the shutter structure for closing the opening of the dustproof portion is simplified by three members of the frame, the filter shutter, and the filter. Can be formed into.

Further, in the present invention, the filter includes a bag-shaped mesh member and a frame body connecting the opening side of the mesh member, and the filter shutter is a filter shutter opening forming an opening and a filter shutter opening. It is equipped with a side wall guide that stands on the filter side from the surroundings, and due to the configuration in which the frame body and the side wall guide are in contact with each other on two different surfaces, the mesh member can be formed between the frame body of the filter and the side wall guide of the filter shutter. It is possible to prevent the dust collected inside and the scattering of insects.

Further, in the present invention, the shutter sliding rib provided on the side of the filter shutter facing the frame and the frame sliding rib provided on the filter shutter side of the frame are locked so as to be temporarily fixed. By locking the sliding ribs of the filter shutter and the sliding ribs of the frame, the sliding motion of the filter shutter can be temporarily fixed.

Further, the dustproof filter of the present invention is a dustproof filter attached to an air passage having an air supply port and an exhaust port, and is provided so that air sucked from the air supply port passes through the opening and the filter. The dustproof part is provided with a dustproof part and a filter shutter attached to the dustproof part so as to slide along the opening surface of the opening, and the dustproof part is detachably fixed to the air passage to provide the dustproof part. When the filter shutter is removed from the air passage, the filter shutter slides, and a part of the filter shutter covers the opening. Therefore, when the dustproof part is removed from the blower or the like, the trap collected by the filter of the dustproof part is collected. It is possible to prevent the collection from falling from the filter opening.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIG. 1, the blower 1 is box-shaped, and an air supply port 10 and an exhaust port 11 are provided so as to project from one side surface of the blower 1. Further, on the other side surface facing one side surface, a supply port 12 for supplying air sucked from the air supply port 10 and heat exchanged by the exhaust gas and an exhaust air supply port 13 for sucking the exhaust gas to the blower are provided. ing.

A detachable inspection panel 14 is provided on the bottom surface of the blower 1 of FIG. 1, and the inspection panel 14 is configured to be removable from the bottom surface of the blower 1.

FIG. 2 is a partial cross-sectional perspective view of the blower 1, and the blower portion 16 includes a fan and a motor. The air blowing unit 16 is provided adjacent to the heat exchange element, and is provided with an air supply air blowing unit and an exhaust air blowing unit. The fan, motor, heat exchange element, air supply air blower, and exhaust air blower are not shown.

The blower 1 is installed, for example, behind the ceiling of a building.

The air sucked into the blower 1 from the air supply port 10 by the blower 1 shown in FIG. 2 is blown out from the supply port 12. The air flow A in FIG. 2 represents a state in which the air sucked into the blower 1 from the air supply port 10 passes through a part of the inside of the blower 1. The air to be supplied is generally outdoor air, but may be indoor air, and the air supplied from the blower 1 is generally air toward the room. An air passage duct may be connected to the air supply port 10, the exhaust port 11, the supply port 12, and the exhaust air supply port.

As shown in FIG. 2, a dustproof portion 2 is provided in the vicinity of the downstream side of the air supply port 10 in the airflow direction for the purpose of protecting the blower portion 16 inside the blower 1 and purifying the supplied air. The dustproof unit 2 is provided between the air supply port 10 and the air blower unit 16. In the dustproof portion 2, the dustproof portion 2 is locked in the blower 1 by locking the frame opening guide 31 of the frame 3 shown in FIG. 8 and the duct 15 projecting inward from the air supply port 10.

The dust-proof unit 2 is composed of a frame 3, a filter 4, and a filter shutter 5, as shown in a perspective view of the dust-proof unit 2 in FIG. 4 and an exploded perspective view of the dust-proof unit 2 in FIG. Further, the filter 4 is composed of a mesh member 41 and a frame body 42. With this configuration, as shown in FIG. 2, the airflow A sucked from the air supply port 10 of the blower 1 passes through the frame opening 30 and the mesh member 41. By passing the air sucked from the air supply port 10 through the mesh member 41 of the dustproof portion 2, dust and insects floating in the air sucked from the air supply port 10 can be collected by the mesh member 41. It is possible.

As shown in FIG. 4, the dustproof unit 2 is arranged in the order of the frame 3, the filter shutter 5, and the filter 4 from the air supply port 10 side. The frame 3, the filter shutter 5, and the filter 4 are all provided with openings, and the air flow A sucked from the air supply port 10 has the frame opening 30, the filter shutter opening 50, and the filter opening 40 in that order. It is configured to pass through and pass through the mesh member 41 of the filter 4. It is possible to arrange the filter shutter 5 between the frame 3 and the filter 4 with three simple configurations of the frame 3, the filter shutter 5, and the filter 4. Further, as shown in FIG. 2, the dustproof portions are arranged in the order of the flat frame, the filter shutter, and the filter from the air supply port 10 side. Although not shown, as another embodiment of the dustproof portion, the filter shutter 5, the frame 3, and the filter can be arranged in this order from the air supply port 10 side.

As shown in FIG. 6, the frame 3 has a quadrangular thin plate shape, and includes a frame opening 30 opened in the center of the frame. A pair of frame inner guides 32 erected on the filter 4 side are provided on one surface of the frame 3 on the side where the filter 4 is arranged so as to extend vertically along both sides of the frame opening 30. The frame inner guide connecting piece 32a is provided so as to connect the upper ends of the pair of frame inner guides in the vertical direction. Therefore, the frame inner guide connecting piece 32a in which the pair of frame inner guides 32 and the upper ends of the pair of frame inner guides in the vertical direction are connected and connected has a U-shaped shape in a plan view when viewed from the filter 4 side. The vertical length of the frame inner guide 32 is longer than the vertical length of the frame opening 30. Further, on one surface of the frame 3 on the filter 4 side, a frame outer guide 33 is formed so as to stand on the filter 4 side in a canopy shape from both side surfaces of the frame 3. Further, on one surface of the frame 3 on the filter 4 side, a sliding convex rib 36 is provided below the frame opening 30.

Next, the frame 3 will be described in detail with reference to FIG. As shown in FIG. 8, a frame opening guide 31 erected from the frame 3 is formed on one surface of the frame 3 on the air supply port 10 side so as to surround the frame opening 30.

Next, the filter shutter 5 will be described in detail with reference to FIG. As shown in FIG. 6, the filter shutter 5 has a quadrangular flat plate shape, a shutter portion 51 is provided above the filter shutter 5, and a filter shutter opening 50 opened below the shutter portion 51 is provided. .. On one surface of the filter shutter 5 on the filter 4 side, a side wall guide 52 standing on the filter 4 side is formed on the peripheral edge of the filter shutter 5 and on the upper and lower sides of the filter shutter opening 50. Further, a pair of first sliding concave ribs 54a are provided above the filter shutter opening 50 so as to extend from the side wall guide 52. Further, a pair of second sliding concave ribs 54b are also provided below the filter shutter opening 50 so as to extend from the side wall guide 52 on the side edge of the filter shutter 5.

As shown in FIGS. 4 and 5, the filter shutter 5 is arranged so as to face one surface of the frame 3 on the filter 4 side. The side wall guide 52 of the filter shutter 5 is arranged so as to be provided on the inner peripheral side of the frame inner guide 32 of the frame 3, and has a configuration capable of sliding in the vertical direction of the arrows of FIGS. 4 and 5. That is, when the filter shutter 5 is slid in the vertical direction of the arrows of FIGS. 4 and 5, the frame inner guide 32 of the frame 3 functions as a guide for the sliding motion. FIG. 4 shows a state in which the filter shutter opening 50, the frame opening 30, and the filter opening 40 are in communication with each other. FIG. 5 shows a state in which the filter shutter 5 slides so as to hang down in the vertical direction, and the filter shutter opening 50, the frame opening 30 and the filter opening 40 do not communicate with each other, that is, the shutter portion 51 of the filter shutter 5 has a frame opening. A state in which the portion 30 and the filter opening 40 are blocked.

The filter shutter 5 is attached to the frame 3 in a slidable structure, but the first sliding concave rib 54a and the second sliding concave rib 54b of the filter shutter 5 and the sliding convex rib 36 of the frame 3 are formed. By locking, the sliding motion of the filter shutter 5 can be temporarily fixed. The filter shutter opening 50 and the filter opening in FIG. 4 are configured so that the first sliding concave rib 54a and the second sliding concave rib 54b of the filter shutter 5 are separately provided at different positions in the vertical direction. A state in which the 40 is communicated (a state in which the second sliding concave rib 54b and the sliding convex rib 36 are locked), and a state in which the shutter portion 51 in FIG. 5 covers the filter opening 40 (the first slide). The filter shutter 5 is temporarily fixed in the sliding direction in a state where the concave rib 54a and the sliding convex rib 36 are locked). With this configuration, the filter shutter 5 is temporarily fixed, which has the effect of preventing the filter shutter 5 from sliding naturally. Further, according to the above configuration, the filter shutter 5 is temporarily fixed to the frame 3, so that the filter shutter 5 slides when the operator removes the dustproof portion 2 from the blower 1, and the shutter portion 51 slides in the filter opening 40. It is possible to prevent the scattering of dust and insects collected in the filter 4 due to the misalignment. Further, according to the above configuration, the dustproof portion 2 mounted in the blower 1 is temporarily fixed to the filter shutter 5 frame 3, and the filter shutter 5 is moved to the filter shutter opening 50 and the filter opening while the blower 1 is moving. It is possible to prevent pressure loss of the blower 1 due to the shutter portion 51 covering the filter opening 40 by sliding downward in the vertical direction from the state in which the portion 40 is in communication with the portion 40.

Next, a configuration for removing the dustproof portion 2 from the blower 1 will be described. With the inspection panel 14 of the blower 1 shown in FIGS. 1 and 2 removed, the handle 53 of the filter shutter 5 of the dustproof unit 2 is moved downward in the vertical direction indicated by the arrow in FIG. 4, and the dustproof unit 2 is moved to the blower. It can be removed from 1. Further, when the removed dustproof unit 2 is attached to the blower 1, the handle 53 of the filter shutter 5 of the dustproof unit 2 is set in FIG. 5 with the inspection panel 14 of the blower 1 shown in FIGS. 1 and 2 removed. The dustproof portion 2 can be attached to the blower 1 by moving it upward in the vertical direction indicated by the arrow.

With this configuration, when the dustproof portion 2 detachably fixed to the blower 1 is removed from the blower 1, the filter shutter 5 of the dustproof portion 2 is slid downward in the vertical direction, and the shutter portion 51 of the filter shutter 5 is moved downward. With the configuration shown in FIG. 5 covering the filter opening 40, when the dustproof portion 2 is removed from the blower 1, the collected material collected by the filter 4 of the dustproof portion 2 falls from the filter opening 40. Can be prevented. That is, it has an effect that the dustproof unit 2 can be removed from the blower 1 for maintenance while suppressing the fall of the collected material collected by the filter 4.

As shown in FIG. 6, the filter 4 is composed of a bag-shaped mesh member 41 having an open filter opening 40 and a frame body 42 joined to the side edge of the filter opening 40 of the mesh member 41. .. In order to collect dust and insects, it is desirable that the mesh spacing of the mesh members 41 is, for example, 0.01 mm to 1 mm.

As shown in FIG. 6, the frame body 42 and the frame 3 of the filter 4 are fixed by a locking structure. On the other hand, in the locking structure, the locking recess 34 provided on the side wall of the frame inner guide 32 and the locking protrusion 43 provided on the frame body 42 shown in FIG. 5 are fitted and fixed. In the other locking structure, the locking rib 35 provided on the frame outer guide 33 of the frame 3 and the elastic rib 44 provided on the frame body 42 are in contact with each other and fixed.

FIG. 7 shows a configuration in which the frame body 42 of the filter 4 and the side wall guide 52 of the filter shutter 5 are engaged with each other in a state where the filter shutter opening 50 of the filter shutter 5 and the frame opening 30 are in communication with each other. It is a perspective sectional view. Guide grooves 45 are provided on the upper and lower sides of the end face of the frame 42 on the filter shutter 5 side. The guide groove 45 of the frame body 42 is in contact with the end surface of the side wall guide 52 of the filter shutter 5 and two different side surfaces. With this configuration, it is possible to reduce the gap between the filter shutter 5 and the frame body 42 of the filter 4, and it has the effect of preventing the diffusion of dust and insects collected inside the mesh member 41 of the filter 4. ing.

As shown in FIG. 3, the duct 15 of the air supply port 10 of the blower 1 and the frame opening guide 31 of the dustproof portion 2 are locked in a detachable configuration. At the time of maintenance, after removing the inspection panel 14 described in FIG. 2, the frame opening guide 31 of the dustproof portion 2 locked to the duct 15 of the air supply port 10 is removed, and the handle 53 of the filter shutter 5 of the dustproof portion 2 is removed. By pressing down, the shutter is closed and the operator can easily remove the dustproof unit 2 from the blower 1.

According to the present invention, the operator can easily remove the dustproof portion 2 from the blower 1 by pushing down the handle 53 of the dustproof portion 2, and further, the filter shutter 5 of the dustproof portion 2 slides downward in the vertical direction. By covering the filter opening 40 with the shutter portion 51, it is possible to prevent the collected material collected by the filter 4 from falling from the filter opening 40.

The blower according to the present invention can be applied to all ventilation blowers such as a ventilation fan equipped with a filter and a heat exchange device. Further, the dustproof filter according to the present invention can be used for a blower or the like that takes in outside air.

1 Blower 10 Air supply port 11 Exhaust port 12 Supply port 13 Exhaust air supply port 14 Inspection panel 15 Duct 16 Blower 2 Dustproof part 3 Frame 30 Frame opening 31 Frame opening guide 32 Frame inner guide 33 Frame outer guide 34 Locking recess 35 Locking rib 36 Sliding convex rib 4 Filter 40 Filter opening 41 Mesh member 42 Frame body 43 Locking convex part 44 Elastic rib 45 Guide groove 5 Filter shutter 50 Filter shutter opening 51 Shutter part 52 Side wall guide 53 Handle 54a 1 sliding concave rib 54b 2nd sliding concave rib A air supply

Claims (4)

In a blower having an air supply port and an exhaust port,
The blower has an internal blower and a blower.
A dustproof portion provided so that the air sucked from the air supply port by the blower portion passes through the opening and the filter.
A filter shutter attached to the dustproof portion so as to slide along the opening surface of the opening of the dustproof portion is provided.
The dustproof portion is detachably locked to the blower.
The dustproof unit when removed from the blower, the filter shutter slides, a portion of the filter shutter is not covered the opening of the dust-proof unit,
The filter is
With a bag-shaped mesh member,
A frame body for connecting the opening side of the mesh member is provided.
The filter shutter is
The filter shutter opening forming the opening and
A side wall guide that stands on the filter side from around the filter shutter opening is provided.
A blower characterized in that the frame body and the side wall guide are in contact with each other on two different surfaces. The blower according to claim 1, wherein the dustproof portion is provided with the filter shutter arranged between the flat plate-shaped frame and the filter. The shutter sliding rib provided on the side of the filter shutter facing the frame and the frame sliding rib provided on the filter shutter side of the frame are locked so as to be temporarily fixed. The blower according to claim 1 or 2. The blower according to claim 3 , wherein a plurality of the shutter sliding ribs are provided in the vertical direction.

Images