JP2015021688A - Ventilation structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply perform cleaning work of a dust-proof filter without removing a unit such as a wall material or baseboard.SOLUTION: A ventilation structure 2 includes an upper side wall panel 5 provided on a floor 4 in a room 3, and lower side wall panels 7A, 7B provided between the upper side wall panel 5 and the floor 4; and is configured such that an outer frame 20 connects and communicates between an opening part 8 and an opening part 14 of a ventilation duct side branch pipe 13 drawn into the vicinity of the opening part 8. The outer frame 20 is mounted with an inner frame 30, attached to be capable of replacing a dust-proof filter 33, in a freely inserting/drawing manner from a front side.

Description

  The present invention relates to a ventilation structure such as a toilet used by an unspecified number of people.

  Conventionally, in order to ventilate a toilet, an opening for ventilation is provided in a baseboard provided between a wall material and a floor that defines the interior of the toilet, and this opening is connected to a ventilation duct via a branch pipe. The other end of the ventilation duct is connected to the outdoors and forced exhaust is performed by a ventilation fan (see, for example, Patent Document 1).

  By the way, in the conventional ventilation structure, a ventilation box is connected to the opening end of the branch pipe, and this ventilation box is arranged on the back side so as to match the shape of the opening of the baseboard. A net for use is provided. If the mesh body is clogged with dust over time, the ventilation performance deteriorates. Therefore, if the mesh body is clogged by maintenance, the ventilation box is removed and the mesh body is replaced.

Utility Model Registration No. 2525300

  However, in the replacement work of the net, first, the use of the toilet is stopped, the baseboard is removed, and then the ventilation box is detached from the branch pipe end, and the net of the ventilation box is replaced. . After the replacement, the ventilation box with a new mesh body is connected to the branch pipe, the baseboard is attached to the original place, and the replacement work is completed. For this reason, there is a problem that the replacement work takes time and the toilet cannot be used during the work.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a ventilation structure capable of easily cleaning or replacing a dustproof filter.

  A ventilation structure according to claim 1 of the present invention is a ventilation structure for connecting an opening formed in a wall material provided on a wall surface of a room and a ventilation duct and sucking indoor air for ventilation. An outer frame that communicates these openings is provided between the opening of the wall material and the ventilation duct side opening disposed near the opening, and a dustproof filter is attached to the outer frame in a replaceable manner. The inner frame is mounted from the front side so that it can be inserted and removed freely.

  The ventilation structure according to claim 1 of the present invention is a ventilation structure that connects an opening formed in a wall material provided on a wall surface of a room and a ventilation duct and sucks indoor air for ventilation. An outer frame that communicates these openings is provided between the opening of the wall material and the ventilation duct side opening disposed near the opening, and a dustproof filter is attached to the outer frame in a replaceable manner. By mounting the inner frame so that it can be freely inserted and removed from the front side, the inner frame can be removed at the site and the dustproof filter can be cleaned or replaced.

  In the ventilation structure according to claim 2 of the present invention, the outer frame is formed in a cylindrical shape with the outer periphery matching the opening of the wall material, and the inner opening end is connected to the branch pipe of the ventilation duct. An outer frame body, a flange formed on the front edge of the outer frame body, abutting on the peripheral edge of the wall material opening and attached to the wall material by a fixture, and protruding from the inner surface of the outer frame body The inner frame is provided with a stopper that restricts the inner frame from moving inward and outward. The inner frame has a handle on the front side and a removable part on the back side of the handle for detachably attaching a dustproof filter. It is characterized by being configured.

  In the ventilation structure according to claim 3 of the present invention, the inner frame is provided with a lock member that can be projected and retracted from the outer peripheral surface of the inner frame and the outer surface is curved, and a resilient member that projects the lock member outward. The outer frame body has a receiving mechanism for receiving a lock member when the inner frame is fitted into the outer frame and comes into contact with the stopper portion. It is what.

  The ventilation structure according to claim 4 of the present invention is characterized in that the ventilation structure is provided in a toilet.

  The ventilation structure according to claim 5 of the present invention is characterized in that the dustproof filter is formed of a metal plate having holes.

  A ventilation structure according to the present invention is a ventilation structure for connecting an opening formed in a wall material provided on a wall surface of a room and a ventilation duct, and sucking indoor air to ventilate, wherein the opening of the wall material is provided. An outer frame that connects these openings to the ventilation duct side opening disposed near the opening and the vicinity of the opening is provided, and the inner frame in which the dustproof filter is replaceably attached to the outer frame is the front side Since it can be inserted and removed freely, the inner frame can be removed and the dustproof filter can be cleaned at the site, eliminating the need to remove units such as wall materials and skirting boards, thereby improving work efficiency.

FIG. 1 is an explanatory view showing a toilet provided with a ventilation structure according to a first embodiment of the present invention. Example 1 FIG. 2 is an explanatory view showing the arrangement of the ventilation duct, the outer frame, the inner frame, and the toilet of the ventilation structure of FIG. 3 (A) to 3 (D) are respectively a front view showing a state in which the inner frame is mounted on the outer frame of the ventilation structure of FIG. 1, a longitudinal sectional view of the state, a sectional view of the main part, and a connection with a branch pipe. It is explanatory drawing which shows the connection of a duct. FIG. 4 is a perspective view showing a state where the outer frame and the inner frame of the ventilation structure of FIG. 1 are separated. 5A and 5B are a plan view and a side view of the lock mechanism, respectively. 6A to 6C are explanatory views showing a state where the lower wall panel in which the opening is formed is installed between the wall material of the toilet and the floor, and the outer frame is the opening of the lower wall panel. It is explanatory drawing which shows the state which inserted from the bottom and attached the flange part to the lower wall panel, and explanatory drawing which shows the state which fitted the inner frame with which the dustproof filter was mounted | worn in the outer frame.

  Ventilation structure that connects the opening formed in the wall material provided on the wall surface of the room and the ventilation duct and ventilates the room by sucking indoor air for the purpose of easily cleaning or replacing the dustproof filter An outer frame is provided between the opening of the wall material and the ventilation duct side opening disposed near the opening and communicates with both openings, and a dustproof filter is provided on the outer frame. This was realized by mounting the exchangeable inner frame so that it could be inserted and removed from the front side.

  Hereinafter, the present invention will be described with reference to embodiments shown in the drawings. As shown in FIGS. 1 and 2, the ventilation structure 2 according to an embodiment of the present invention is installed in a room 3 such as a toilet used by an unspecified number of people. An upper side wall panel (wall material) 5 is formed side by side on a wall surface having a predetermined height from the floor 4 of the chamber 3. Between the floor 4 and the upper side wall panel 5, a lower side wall panel (wall material) 7 is provided side by side while ensuring a storage space S for equipment inside. The lower side wall panel 7 is composed of a lower side wall panel 7A in which a ventilation opening 8 is formed in the lower part with a short width and a lower side wall panel 7B to which a toilet bowl 9 is attached on the front side with a long side width. The lower side wall panel portion 10 is formed by alternately arranging the panels 7A and 7B. In the equipment storage space S (see FIG. 3B) formed between the lower wall panel portion 10 and the wall surface on which the upper wall panel 5 is provided, a top plate 11 that closes the upper opening is provided.

  As shown in FIG. 2, the ventilation duct 12 is drawn into the space S defined between the lower wall panel portion 10 and the wall surface. The intake / discharge end of the ventilation duct 12 communicates with the outside air through a ventilation fan (not shown). Branch pipes 13 (13A, 13B, 13C) are connected to the ventilation duct 12 at predetermined intervals according to the arrangement of the toilet bowl 9, and these branch pipes 13 are drawn in the vicinity of the ventilation opening 8, The other end opening 14 of the 13 faces the opening 8 of the lower side wall panel 7A with a predetermined distance (see FIG. 3B). The upper opening of the connection duct 15 is connected to the lower end opening 14 of the branch pipe 13. The connection duct 15 is disposed so as to face the opening 8, and a connection opening 15 </ b> A is formed on a surface facing the opening 8 so that one end of an outer frame 20 described later is fitted. Yes.

  By the way, in the ventilation structure 2 according to the present embodiment, the outer frame 20 connects the opening 8 of the lower side wall panel 7A and the connection opening 15A of the connection duct 15 so as to communicate with each other. The outer frame 20 is formed in a rectangular tube shape with the outer periphery matching the rectangular opening 8 of the lower side wall panel 7A. The outer frame 20 includes an outer frame body 21 that connects and communicates between the opening 8 of the lower side wall panel 7A and the connection opening 15A of the connection duct 15, and a front side edge (outside in the inner and outer directions) of the outer frame body 21. A flange portion 23 formed on the end edge), and a stopper portion 24 that protrudes from the inner surface at a predetermined distance from the front end edge of the outer frame main body 21 in the depth direction. When the outer frame main body 21 is inserted from the opening 8 of the lower wall panel 7A and connected to the connection duct 15, the flange portion 23 comes into contact with the opening peripheral edge 8A of the lower wall panel 7A. . The flange portion 23 is provided with attachment holes at corner portions. The outer frame 20 has an inner opening end 20A in the inner and outer direction fitted into the connection opening 15A of the connection duct 15 from the opening 8 of the lower wall panel 7A, and the flange portion 23 is brought into contact with the opening peripheral edge 8A of the lower wall panel 7A. When the attachment screw 22 is screwed into the attachment hole of the flange 23, the attachment is made to the lower wall panel 7A. Thus, the outer frame 20 allows the chamber 3 and the ventilation duct 12 to communicate with each other via the connection duct 15 and the branch pipe 13.

  An inner frame 30 is attached to the outer frame 20 so as to be freely inserted and removed from an outer opening in the inner and outer direction (front opening) 20B. The inner frame 30 is formed in a rectangular tube shape so as to substantially fit the inner surface of the outer frame main body 21 so as to be fitted into the inner surface of the outer frame main body 21. On the inner frame 30, the armor plate 31 is horizontally attached at a predetermined interval on the outer side (front side). The armor plate 31 is provided with support plates 32 that support the armor plate 31 on both the left and right sides. The armor plate 31 and the support plate 32 form a handle. The armor plate 31 is used by an operator to hold the inner frame 30 in and out of the outer frame 20 by hand.

  On the back side of the inner frame 30 (inward and outward direction inner side), a detachable part 34 for attaching the dustproof filter 33 in a replaceable manner is provided. The detachable part 34 is formed by bending both inner side ends of the inner frame 30 toward the inside and extending the inner bottom edge to the bent part side, and allows the dust filter 33 to be taken in and out of the upper opening. ing. When the dustproof filter 33 is attached to the detachable portion 34, the inner frame 30 is configured such that an operator grasps the armor plate 31 by hand and pushes it into the outer frame 20. When the inner end surface in the inner and outer directions contacts the stopper portion 24 of the outer frame 20, the inner frame 30 is restricted from being displaced further and is attached to the outer frame 30 at the restriction position. At this time, the inner and outer outer end surfaces of the inner frame 30 are positioned on substantially the same plane as the flange portion 23. Thus, since the protruding part is eliminated, even if a part of the user's body is touched, it is not injured. The inner frame 30 may be stocked in preparation for theft or damage.

  The dustproof filter 33 is composed of a single plate of stainless punching metal having a large number of circular holes. The dust-proof filter 33 is composed of a plurality of types with different diameters of the circular holes, and is appropriately selected by changing the aperture ratio according to the ventilation plan of the facility. Since the dustproof filter 33 is composed of a single metal plate, when the inner frame 30 is removed from the outer frame 20 and the dustproof filter 33 is pulled out of the inner frame 30, it is washed on-site to remove moisture. Then, it is inserted again into the inner frame 30 and the inner frame 30 to which the dust filter 33 is attached is attached to the outer frame 20 to complete the cleaning operation. When the work cannot be performed at the site, the dust filter 33 may be removed from the inner frame 30 and replaced with a new dust filter, and the dirty dust filter 33 may be washed in another place. The whole may be exchanged for a new one. Note that the dustproof filter 33 may be formed of a single plate on which many lattices or slits are formed. Further, the dust filter 33 may be made of a synthetic resin plate instead of a metal plate and may be disposable. Further, the outer frame 20, the inner frame 30, and the dust filter 33 are subjected to rust-proof coating in colors that match the upper side wall panel 5 and the lower side wall panels 7A, 7B.

  A lock mechanism 40 is provided on the inner frame 30 and the outer frame 20. As shown in FIGS. 5A and 5B, the lock mechanism 40 has a triangular door spring structure, and has openings 42 and 42 that open to the left and right side frames 30A and 30B of the inner frame 30, respectively. The shaft support portions 41A and 41B formed on the upper and lower sides of the openings 42 and 42, the shaft 41C pivotally supported between the shaft support portions 41A and 41B, and the openings 42 and 42 are moved forward and backward. A lock member 43 made of a bent metal piece having a cross-sectional shape that is freely and prevented from falling off, and a shaft 41C, and both ends abut against the inner surface of the lock member 43. And a torsion spring (spring) 44 that elastically biases outward. The locking mechanism 40 is configured by forming holes (receiving portions) 45 and 45 for receiving the locking members 43 and 43 on the left and right side surfaces 21A and 21B of the outer frame main body 21. When the inner frame 30 is fitted into the outer frame 20, the locking mechanism 40 has the protruding ends of the locking members 43, 43 pressed against the left and right inner surfaces of the outer frame body 21 to resist the urging force of the torsion springs 44, 44. When the inner frame 30 is retracted inward from the openings 42 and 42 and the inner frame 30 comes into contact with the stopper portion 24, the lock members 43 and 43 are urged by the elastic urging forces of the torsion springs 44 and 44. The inner frame 30 is locked at that position and securely held. When the inner frame 30 is pulled out from the outer frame 20 with a force that overcomes the elastic urging force of the torsion springs 44, 44, the lock is released. In addition, although the receiving part which receives the locking members 43 and 43 is comprised by 45 and 45 drilled in the outer frame main body 21, it is not restricted to this, A recessed part is formed in the outer frame main body 21, and is comprised. You may make it do.

  Next, the operation of the ventilation structure 2 according to the above embodiment will be described. In the ventilation structure 2 according to the above embodiment, first, the connection duct 15 is installed in the branch pipe 13 of the ventilation duct 12, and the opening 8 is formed in the lower side wall panel 7A according to the arrangement of the connection duct 15. . Next, the lower wall panel 7A in which the opening 8 is formed is installed in a room 3 such as a toilet (see FIG. 6A). Then, the outer frame 20 is inserted into the inside of the opening 8 of the lower wall panel 7A, the inner opening end 20A in the inner and outer directions of the outer frame 20 is fitted into the connection opening 15A of the connection duct 15, and the flange portion 23 is connected to the lower wall. The flange portion 23 is attached to the lower side wall panel 7 </ b> A with the attachment screw 22 in contact with the peripheral edge 8 </ b> A of the panel 7 </ b> A. In this state, the branch pipe 13 and the chamber 3 are communicated with each other by the outer frame 20 (see FIG. 6B). Next, the dustproof filter 33 is attached to the attaching / detaching portion 34 of the inner frame 30, and the inner frame 30 is pushed into the front opening 20 </ b> B of the outer frame body 21 by grasping the armor plate 31 by hand and pressed against the stopper portion 24. It is made to contact and is attached to the outer frame 30 at the restriction position. At this time, the lock members 43 and 43 of the lock mechanism 40 project and are held by the torsion springs 44 and 44 in the holes 45 and 45 of the outer frame main body 21, so Retained. Thus, the air in the chamber 3 is guided to the ventilation duct 12 from the connection duct 15 and the branch pipe 13 through the dust filter 33 of the inner frame 30 and exhausted.

  When it is confirmed that the dust filter 33 is clogged due to use over time, a cleaning tool is brought to the site, the inner frame 30 is removed from the outer frame 20, and the dust filter 33 is pulled out from the inner frame 30. The filter 33 is cleaned. When the moisture is removed after washing, the inner frame 30 is inserted again and the inner frame 30 with the dust filter 33 attached is attached to the outer frame 20 to complete the cleaning operation. When the work cannot be performed at the site, the dust filter 33 may be removed from the inner frame 30 and replaced with a new dust filter, and the dirty dust filter 33 may be washed in another place. The whole may be exchanged for a new one. As described above, in the ventilation structure 2 according to the present embodiment, the dustproof filter can be cleaned only by removing the inner frame 30 at the site, and there is no need to remove or re-install the lower side wall panels 7A and 7B. Alternatively, only the dust filter 33 clogged with respect to the pulled out inner frame 30 may be replaced with a new dust filter 33 on the spot and mounted. By doing so, it is only necessary to replace the dust filter, so that it is not necessary to bring in the inner frame 30. As described above, in the ventilation structure according to the present embodiment, when replacing the dustproof filter, it is not necessary to remove the lower side wall panels 7A and 7B and work can be easily performed.

  In the above embodiment, the outer frame of the ventilation structure is provided on the wall material. However, the present invention is not limited to this, and the wall material provided on the wall surface on the indoor floor and the space between the wall material and the floor. The inner frame may be detachably attached to an outer frame provided on the baseboard. Further, the attachment / detachment part 34 of the dustproof filter 33 is provided on the inner frame 20, but the present invention is not limited to this. The dustproof filter is previously attached to the square frame, and the square frame is attached / detached from the back side of the inner frame 30. You may make it fit freely. Furthermore, the upper side of the wall portion is formed by arranging the upper side wall panel 5 side by side. However, the present invention is not limited to this, and a tile is used as a wall material constituting the upper side wall portion, and the tile is placed on the wall surface. You may make it stick to. Furthermore, in the said Example, although the ventilation structure is provided in indoors, such as a toilet, it is not restricted to this, It cannot be overemphasized that you may provide in the facility where an indefinite number of people go in and out.

2 Ventilation structure 3 rooms 4 floor 5 upper side wall panel (wall material)
7 Lower wall panel (wall material)
7A Lower side wall panel with short width 7B Lower side wall panel with long width 8 Opening 12 Ventilation duct 20 Outer frame 30 Inner frame 33 Dustproof filter

Claims (5)

A ventilation structure that connects an opening formed in a wall material provided on a wall surface of a room and a ventilation duct and sucks indoor air to ventilate,
An outer frame is provided between the opening of the wall material and the ventilation duct side opening disposed near the opening, and the dustproof filter is attached to the outer frame in a replaceable manner. A ventilation structure characterized in that the inner frame is mounted so that it can be inserted and removed from the front side. The outer frame is formed in a cylindrical shape with the outer periphery matching the opening of the wall material, inserted into the opening, and the inner opening end is connected to the branch pipe of the ventilation duct, and the outer frame A flange part formed on the front edge and abutted on the peripheral edge of the wall material opening and attached to the wall material by a fixture, and formed to protrude from the inner surface of the outer frame main body, restricts the inner frame inward and outward displacement. Comprising a stopper part,
The ventilation structure according to claim 1, wherein the inner frame is formed with a handle on the front side and an attachment / detachment part for detachably attaching a dustproof filter on the back side of the handle.   The inner frame includes a lock member that is provided so as to be able to protrude and retract from the outer peripheral surface of the inner frame and has a curved outer surface, and a spring that elastically urges the lock member to protrude outward, and the outer frame main body. The ventilation structure according to claim 2, wherein when the inner frame is fitted into the outer frame and abuts against the stopper portion, a receiving portion that receives a lock member is formed to constitute a lock mechanism.   The ventilation structure according to any one of claims 1 to 3, wherein the ventilation structure is provided in a toilet.   The ventilation structure according to any one of claims 1 to 4, wherein the dustproof filter is formed of a metal plate having holes.

Images