JP2008164199A - Ventilating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilating device which is free from accumulation of dust between a working plate and a back wall and secures a smooth slide of the working plate. <P>SOLUTION: This ventilating device comprises a main body 1 composed of an extrusion horizontally extending, and the working plate 50, and a number of vent holes 22a are formed on the vertical back wall 22 faced outdoors, of the main body at equal pitches in the longitudinal direction. The working plate extends in the longitudinal direction of the main body, has a number of vent holes 51a arranged at pitches same as the vent holes of the back wall, and opens and closes the vent holes by sliding in the longitudinal direction of the main body along a face at an indoor side, of the back wall. The main body has upper and lower guide portions 53, 55 respectively guiding an upper edge portion and a lower edge portion of the working plate. The lower guide portion is provided with a dust relief groove 26 extending in the longitudinal direction of the main body. The dust relief groove is positioned at a lower part with respect to the lower edge of the working plate, and its face 26a on an outdoor side and a face on an indoor side of the back wall are connected through a horizontal supporting face 27a for putting the lower edge portion of the working plate. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

  The present invention relates to a ventilation device mounted on an upper edge or the like of a window screen.

As disclosed in Patent Document 1, a ventilator that opens and closes a vent on a rear wall by sliding an operation plate in the longitudinal direction of the main body along the rear wall of the main body is known.
In the ventilator, guide grooves are formed on the main body in the vertical direction with a vent on the back wall interposed therebetween. The operating plate is slidably supported by fitting the upper and lower edges thereof into the guide grooves. The width dimension of the guide groove is slightly larger than the thickness of the working plate in order to smoothly slide the working plate.
Patent Document 2 discloses a structure that elastically biases the operation plate.
JP-A-9-243121 JP-A-8-93347

  In the ventilation device of Patent Document 1, dust and small sand enter between the lower edge portion of the operating plate and the lower guide groove, and accumulation of these dusts prevents the smooth sliding of the operating plate. was there.

In order to solve the above-described problems, one aspect of the present invention is (a) formed of a horizontally extending extrusion mold, and has a number of ventilation holes formed at equal pitches in the longitudinal direction on a vertical back wall facing outdoors. A main body having a ventilation passage connected to the mouth; and (a) a plurality of vent holes extending in the longitudinal direction of the main body and arranged at the same pitch as the vent holes of the rear wall, and on the indoor side surface of the rear wall. And an operating plate that opens and closes a vent on the back wall by sliding in the longitudinal direction of the main body, and the main body has upper and lower portions that respectively guide the upper and lower edges of the operating plate. A dust escape space extending in the longitudinal direction of the main body is formed in the lower guide portion, and this dust escape space is located below the lower edge of the operating plate, The indoor side of the back wall is the lower edge of the operating plate Characterized in that it continuous through a horizontal support surface for placing.
According to this configuration, dust or the like that has entered between the operation plate and the back wall can be dropped into the dust escape space via the lower edge portion of the operation plate and the support surface. It is possible to avoid the inconvenience that the smooth sliding of the operation plate is hindered by the accumulation of dust.

Another aspect of the present invention is (a) made of a horizontally extending extruded material, and has a large number of ventilation holes formed at equal pitches in the longitudinal direction on a vertical back wall facing outdoors, and a ventilation passage connected to the ventilation holes. A main body having a plurality of air vents extending in the longitudinal direction of the main body and arranged at the same pitch as the vents of the back wall, and the longitudinal direction of the main body along the indoor side surface of the back wall And an operation plate that opens and closes a vent on the back wall, and the main body has upper and lower guide portions that respectively guide an upper edge portion and a lower edge portion of the operation plate. A groove-shaped dust escape space extending in the longitudinal direction of the main body is formed in the lower guide portion, and this dust escape space is located below the lower edge of the operating plate. Has a butt that protrudes toward the Covers the dust escape space and rides on a convex portion adjacent to the indoor side of the dust escape space. It is characterized by being connected.
According to this configuration, dust or the like that has entered between the operation plate and the back wall can be immediately dropped into the dust escape space, or can be dropped between the lower edge of the operation plate and the horizontal plane. It is possible to avoid the inconvenience that the smooth sliding of the operation plate is hindered due to the accumulation of dust between the wall and the back wall.

Preferably, a protrusion extending in the longitudinal direction of the main body is formed on the lower surface of the collar portion of the operating plate, and the protrusion enters the dust escape space and faces the convex portion adjacent to the dust escape space. is doing.
According to this configuration, the guide of the operating plate can be stably performed by the protrusion of the operating plate and the convex portion of the main body.

Preferably, a discharge port for discharging the dust downward is formed at the bottom of the dust escape space. According to this, since dust is discharged from the discharge port, it is possible to prevent the dust from being accumulated in the dust escape space.
Preferably, both ends of the dust escape space are open, and dust can be discharged downward from both ends. Thereby, it is possible to prevent dust from being accumulated in the dust escape space.

Preferably, a plurality of elastic urging members are disposed between the main body and the operation plate so as to be separated from each other in the longitudinal direction of the main body, and the operation plate is urged toward the back wall by the elastic urging members. ing.
According to this configuration, since the operating plate is pressed against the back wall by the elastic biasing member, there is no gap between the operating plate and the back wall, dust can be prevented from entering and accumulating, and dust can escape into the dust escape space. Accumulation can be suppressed. Moreover, the airtightness of the ventilator can be improved.

Preferably, the elastic urging member has a body part attached to the operation plate and an elastic deformation part protruding from the body part toward an indoor direction, and the main body stands upright vertically. A receiving surface extending in the longitudinal direction is formed, and the elastic deformation portion is movable while being in contact with the receiving surface in an elastically deformed state, and the operating plate is moved back by the elastic force of the elastic deformation portion. It is urged toward the wall.
According to this configuration, since the elastically deforming portion is stably in contact with the receiving surface of the main body, the operation plate can be more stably pressed against the back wall.

Preferably, the body portion of the elastic urging member has a pair of left and right vertical portions, a horizontal portion spanned between the vertical portions, and an engaging convex portion protruding outward from the vertical portions. The engaging projections enter the ventilation holes of the working plate and come into contact with the side edges thereof, so that the elastic urging members are attached immovably in the longitudinal direction of the main body, and the elastic deformation portions of the elastic urging members are An arc is formed between the pair of left and right vertical portions and projects toward the receiving surface.
According to this configuration, the elastic biasing member is attached to the vent hole of the operation plate, so that the configuration can be simplified. Further, since the elastically deforming portion has an arc shape, the elastically deformable portion can stably contact the receiving surface.

  According to the present invention, dust is not accumulated between the operation plate and the back wall, and a smooth slide of the operation plate can be ensured.

Hereinafter, the ventilation apparatus which makes 1st Embodiment of this invention is demonstrated, referring FIGS. 1-8. First, the basic structure of the ventilator will be described with reference to FIGS. The ventilator of the present embodiment is an upper gill integrated type, which also serves as the upper gutter of the window screen, extends horizontally as shown in FIG. 1, and both ends thereof are connected to the upper ends of the left and right vertical gutters of the window screen. Has been.
As shown in FIGS. 2 to 4, the ventilation device includes a main body 1, and the main body 1 is configured by assembling first and second mold materials 10 and 20 made of an aluminum extrusion mold material.

  The first mold 10 includes a reverse-U-shaped shoji body squeezing portion 11 that squeezes a glass shoji (not shown) of a window sash, and a rectangular cross section formed on the shoji body squeezing portion 11. , A front wall 13 that stands vertically from the convex portion 12 and faces the indoor side, and a connecting portion 14 that protrudes from the vicinity of the upper end of the front wall 13 toward the outside.

  The depth of the convex portion 12 is smaller than the shoji body swallowing portion 11, the indoor wall is flush with the indoor wall of the shoji body swallowing portion 11, and the outdoor wall 12 a is the shoji body swallowing portion 11. Stands vertically on the indoor side of the outdoor wall. The surface on the outdoor side of the wall 12 a provides a receiving surface 12 x that stands vertically and extends in the longitudinal direction of the main body 1.

  At the lower part of the wall 12a, a ridge 12b is formed protruding toward the outdoor side. In addition, a protrusion 11 a that stands vertically is formed at a corner on the outdoor side of the shoji body swallowing portion 11. An insertion groove 15 is formed by the ridges 11 a and 12 b and the upper wall of the shoji body squeezing portion 11.

As shown in FIG. 1, a large number of vent holes 13 a are formed at equal pitches in the longitudinal direction of the main body 1 in a region excluding one end portion, for example, the right end portion, of the front wall 13. Insertion grooves 16 a and 16 b are formed on the upper and lower edges of the front wall 13.
Upper and lower edges of a cover (not shown) are fitted in the fitting grooves 16 and 16b. This cover covers a region excluding the right end portion of the front wall 13 and has a large number of vent holes spaced in the longitudinal direction. A filter (not shown) is interposed between the cover and the front wall 13.

  The second mold member 20 includes a rail squeezed portion 21 having a substantially U-shaped cross section that squeezes an upper rail (not shown) of the window frame, a back wall 22 that hangs down from an edge of the rail squeezed portion 21 on the outdoor side, and a back surface thereof. It has a fitting portion 23 that projects horizontally from the lower end of the wall 22 toward the inside.

  By fitting the upper end of the wall on the indoor side in the rail squeezing part 21 of the second mold member 20 into the connecting part 14 of the first mold member 10 and fitting the fitting part 23 into the fitting groove 15 of the first mold member 10. The second mold member 20 is connected to the first mold member 10.

A large number of vent holes 22 a are formed in the back wall 22 of the second mold member 20 at an equal pitch in the longitudinal direction of the main body 1.
An internal space is formed between the first mold material 10 and the second mold material 20, and this internal space is provided as a ventilation passage 30. The ventilation passage 30 has a substantially L-shaped cross section, and connects the vent 13a of the indoor front wall 13 and the vent 22a of the outdoor back wall 22 to each other. In order to help understanding, the flow of air in the ventilation passage 30 is shown by arrows in FIG.

As shown in FIG. 1, a support plate 35 is attached to the right end portion of the first mold member 10 so as to cover the front wall 11 a and beside the cover (not shown). An operation knob 40 is supported on the support plate 35 so as to be slidable in the left-right direction.
As shown in FIG. 2, the operation knob 40 has a convex portion 41 that protrudes to the outdoor side. The convex portion 41 has a substantially L shape corresponding to the ventilation passage 30, and a horizontal portion extends in the outdoor direction.

  As shown in FIGS. 2 to 4, an operating plate 50 made of an extrusion mold material is accommodated at the outdoor end of the ventilation passage 30. The actuating plate 50 has a flat plate-shaped base portion 51 that is in contact with the outdoor side surface of the back wall 22, a flange portion 52 that extends horizontally in the indoor direction from the upper edge of the base portion 51, and the base portion 41. And a flange 53 extending horizontally in the indoor direction from the lower edge.

Vent holes 51 a are formed in the base portion 51 of the operation plate 50 with the same shape and the same pitch as the vent holes 22 a of the back wall 22 of the main body 1.
The tip of the convex portion 41 of the operation knob 40 is fitted into the end of the operation plate 50, for example, the vent hole 51a in the vicinity of the right end, thereby connecting the operation plate 50 and the operation knob 40.

  The operation plate 50 slides in the left-right direction (that is, the longitudinal direction of the main body 10) in accordance with the left-right sliding operation of the operation knob 40, and opens when the vent 51a coincides with the vent 22a. 51a and 22a are closed when they do not match.

Next, the structure for supporting the operation plate 50 will be described in detail with reference to FIG. The bottom wall of the rail squeezing part 21 of the second mold member 20 has a protruding end on the outdoor side, and has a horizontal wall part 21a and a vertical wall part 21b. A guide groove 25 (upper guide portion) is formed by the wall portions 21 a and 21 b and the upper end portion of the back wall 22. The flange 51 of the operating plate 50 is accommodated in the guide groove 25 through a minute gap, that is, a clearance G1.
Note that the surface on the outdoor side of the vertical wall portion 21 b provides a receiving surface 21 x that is vertical and extends in the longitudinal direction of the main body 1.

  The fitting portion 23 of the second mold member 20 is provided as a lower guide portion for guiding the lower edge portion of the operation plate 50. A dust escape groove 26 (dust release space) extending in the longitudinal direction of the main body 1 is formed on the upper surface of the fitting portion 23. On the upper surface of the fitting portion 23, a shoulder portion 27 and a convex portion 28 are formed on the outdoor side and the indoor side with the dust escape groove 26 interposed therebetween.

The upper surface of the shoulder 27 provides a horizontal support surface 27a. The outdoor side surface 26a of the dust escape groove 26 is continuous with the indoor side surface of the back wall 22 through the support surface 27a.
Further, the upper surface of the convex portion 28 provides a support surface 28a having the same height as the support surface 27a.
The lower edge of the base portion 51 of the operating plate 50 rides on the support surface 27a, and the indoor edge of the flange portion 53 rides on the support surface 28a.

  A protrusion 55 is formed on the lower surface of the flange portion 53 of the operating plate 50. The protrusion 55 enters the dust escape groove 26 in a state where the operation plate 50 is on the support surfaces 27a and 28a. The thickness of the protrusion 55 is smaller than the width of the guide groove 26. In a state where the base portion 51 of the operating plate 50 is in contact with the back wall 22, the protrusion 55 is connected to the convex portion 28 (in other words, the vertical surface on the indoor side of the dust escape groove 26) via a minute gap, that is, a clearance G 2. Confronted.

  A plurality of discharge ports 29 are formed at intervals in the longitudinal direction of the main body 1 on the fitting wall 23 constituting the bottom of the dust escape groove 26 and the upper wall of the shoji body swallowing portion 11.

The operation plate 50 is elastically urged toward the back wall 22 by a plurality of elastic urging members 60 arranged away from each other in the longitudinal direction of the main body 1, so that the operation plate 50 is always in close contact with the back wall 22. Yes.
The elastic urging member 60 is made of a resin injection molded product such as AES resin, and has a body portion 61 and upper and lower two-stage elastic deformation portions 62 and 63 as shown in FIGS. Yes.

  The body portion 61 has an H-shape when viewed from the indoor side as shown in FIGS. 7 and 8A, and a pair of left and right vertical portions 61a having a plate shape perpendicular to the longitudinal direction of the main body 1. It has a plate-shaped horizontal portion 61b that extends between the intermediate heights of these vertical portions 61a and extends in the longitudinal direction of the main body, and a pair of left and right engaging convex portions 61c that protrude rearward from the vertical portion 61a.

  An upper elastic deformation portion 62 is spanned between the upper end portions of the vertical portion 61a, and a lower elastic deformation portion 63 is spanned between the lower end portions. These elastic deformation parts 62 and 63 are arcuate and project toward the indoor side.

  As shown in FIGS. 6 and 8B, the pair of left and right engaging projections 61c of the elastic biasing member 60 straddles one vent hole 51a in the operating plate 50, and the two vent holes 51a on both sides thereof. And hits one of the side edges and the upper and lower edges. As a result, the elastic biasing member 60 is attached to the operating plate 50 so that it cannot move in the longitudinal direction of the main body 1 and cannot move in the vertical direction.

  As shown in FIGS. 2 and 3, in the elastic biasing member 60 attached to the operation plate 50, the upper elastic deformation portion 62 is elastically deformed to the receiving surface 21 x of the vertical wall portion 21 b of the second mold member 20. The lower elastic deformation portion 63 hits the receiving surface 12x of the wall portion 12a of the first mold member 10 while being elastically deformed, whereby the operating plate 50 is elasticized by the elastic deformation portions 62 and 63 of the elastic biasing member 60. It is biased by the repulsive force and is in close contact with the back wall 22.

In the above configuration, when the operation plate 50 is in the closed position, dust and small sand accumulate in the vent hole 22a of the back wall 22. However, since the operation plate 50 is always in contact with the back wall 22 and no gap is formed between them, it is possible to prevent dust and the like from entering between them.
Even when the operation plate 50 is slid from the closed position, the contact state of the operation plate 50 to the back wall 22 remains secured, and dust and the like can be prevented from entering between the two.

When dust or the like enters between the lower edge portion of the operating plate 50 and the back wall 22, the dust or the like passes between the lower edge of the operating plate 50 and the support surface 27 and further enters the dust escape groove 26. Can be dropped.
As a result, dust or the like is not accumulated between the working plate 50 and the main body 1, and the opening / closing operation can be performed by sliding the working plate 50 smoothly.
Further, the dust accumulated in the dust escape groove 26 can be discharged downward from the discharge port 29.

  FIG. 9 shows a second embodiment. In this embodiment, there is no shoulder portion 27 on which the base portion 51 of the operating plate 50 is placed, and the operating plate 50 is supported by the collar portion 53 of the operating plate 50 riding on the convex portion 28. The outdoor side surface 26 a of the dust escape groove 26 is directly connected to the indoor side surface of the back wall 22. The surface 26a may be inclined as shown in the figure, or may be flush with the outdoor side surface of the back wall 22. The dust that has entered between the lower edge of the working plate 50 and the back wall 22 is dropped into the dust escape groove 26 as it is, so that the dust removal between the working plate 50 and the back wall 22 can be performed more smoothly. Can do. Since the other structure of 2nd Embodiment is the same as 1st Embodiment, description is abbreviate | omitted.

  The present invention is not limited to the above embodiment, and various forms can be adopted. For example, when the space of the dust escape groove 26 is wide, the discharge port 29 may be omitted. Further, both ends of the dust escape groove 26 may be opened, and dust may be discharged downward from both ends.

In the first and second embodiments, the elastic biasing member 60 may be omitted.
When the elastic urging member 60 is used, the protrusion 55 of the operating plate 50 may be omitted in the first and second embodiments, or the flange portion 53 may be omitted in the first embodiment.

The ventilator main body includes all the one constituted by one or a plurality of extrusion mold members.
The ventilator of the present invention can also be applied to a separate upper cage type. In this case, the shoji body swallowing portion is formed on the lower side, and the fitting portion to be fitted on the upper arm of the window shoji is formed on the upper side.

It is the front view which looked at the ventilation apparatus concerning 1st Embodiment of this invention from the indoor side. It is II-II arrow sectional drawing in FIG. FIG. 3 is a view corresponding to FIG. FIG. 3 is a view corresponding to FIG. 2 and omitting an operation knob and an elastic biasing member. It is a principal part expanded sectional view which shows the action | operation board and its support structure of the ventilation apparatus. It is a front view which shows the action | operation board of the ventilation apparatus in the state which mounted | wore with the elastic biasing member. It is a perspective view which shows the elastic biasing member of the ventilation apparatus. The elastic urging member is shown, (A) is a front view, (B) is a plan view, and (C) is a left side view. FIG. 6 is a view corresponding to FIG. 5 showing a second embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 12x Receiving surface 13 Front wall 21x Receiving surface 22 Back wall 22a Vent 23 Insertion part (lower guide part)
25 Guide groove (upper guide)
26 Dust Relief Groove (Dust Relief Space)
26a Outdoor surface 27a of dust escape groove 27a Support surface 28 Protruding portion 30 Ventilation passage 50 Actuating plate 53 Hook portion 60 Elastic urging member 61 Body portion 61a Vertical portion 61b Horizontal portion 61c Engaging convex portions 62 and 63 Elastic deformation portion

Claims (8)

(A) A main body having a ventilation passage made of an extrusion mold material extending horizontally and having a large number of ventilation holes formed at equal pitches in the longitudinal direction on a vertical back wall facing outdoors.
(B) A large number of vents extending in the longitudinal direction of the main body and arranged at the same pitch as the vents of the back wall, and sliding in the longitudinal direction of the main body along the indoor side surface of the back wall. With the operation plate that opens and closes the vent on the back wall,
In a ventilator with
The main body has upper and lower guide portions for guiding the upper edge portion and the lower edge portion of the operation plate, respectively, and a dust escape space extending in the longitudinal direction of the main body is formed in the lower guide portion, and this dust escape space. Is located below the lower edge of the operating plate, and the outdoor side surface and the indoor side surface of the back wall are connected via a horizontal support surface on which the lower edge of the operating plate is placed. And ventilator. (A) A main body having a ventilation passage made of an extrusion mold material extending horizontally and having a large number of ventilation holes formed at equal pitches in the longitudinal direction on a vertical back wall facing outdoors.
(B) A large number of vents extending in the longitudinal direction of the main body and arranged at the same pitch as the vents of the back wall, and sliding in the longitudinal direction of the main body along the indoor side surface of the back wall. With the operation plate that opens and closes the vent on the back wall,
In a ventilator with
The main body has upper and lower guide portions that respectively guide the upper edge portion and the lower edge portion of the operation plate, and a groove-shaped dust escape space extending in the longitudinal direction of the main body is formed in the lower guide portion. The dust escape space is located below the lower edge of the working plate,
The operating plate has a flange that protrudes indoors from a lower edge thereof, and the flange covers the dust escape space and rides on a convex portion adjacent to the indoor side of the dust escape space,
The ventilator characterized in that the outdoor side surface of the dust escape space and the indoor side surface of the back wall are connected directly or through a horizontal plane.   A protrusion extending in the longitudinal direction of the main body is formed on the lower surface of the collar portion of the working plate, and this protrusion enters the dust escape space and faces a convex portion adjacent to the dust escape space. The ventilation apparatus according to claim 2.   The ventilator according to any one of claims 1 to 3, wherein a discharge port for discharging the dust downward is formed at the bottom of the dust escape space.   The ventilator according to any one of claims 1 to 3, wherein both ends of the dust escape space are open, and dust can be discharged downward from both ends.   A plurality of elastic urging members are arranged in the longitudinal direction of the main body between the main body and the operation plate, and the operation plate is urged toward the back wall by these elastic urging members. The ventilator according to any one of claims 1 to 5. The elastic biasing member has a body part attached to the operating plate, and an elastic deformation part protruding from the body part toward an indoor direction,
The main body is formed with a receiving surface that stands vertically and extends in the longitudinal direction of the main body, and the elastic deformation portion is movable while in contact with the receiving surface in an elastically deformed state. The ventilation device according to claim 6, wherein the operating plate is urged toward the back wall by the elastic force of the air. The body portion of the elastic urging member has a pair of left and right vertical portions, a horizontal portion spanned between the vertical portions, and an engaging convex portion projecting outward from the vertical portions. The elastic urging member is attached so as to be immovable in the longitudinal direction of the main body by the joint convex portion entering the vent of the operating plate and hitting the side edge thereof,
The ventilator according to claim 7, wherein the elastically deforming portion of the elastic biasing member extends in an arc shape between the pair of left and right vertical portions and protrudes toward the receiving surface.

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