JP2000130042A - Ventilation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To keep clean a ventilation device to be attached or detached without troubles by supporting the lower end of a filter frame by a holding claw of a support retained at a step of the lower end of the front wall and eliminating a groove where dust is apt to collect. SOLUTION: Protrusions 22a, 23a, 23b are formed along the longitudinal direction of an upper wall 22 and a lower wall 23 to form a filter frame 20 of a filter 30 made of an aluminum profile separately from a device body 10. A housing groove 11b is formed at the upper part of the front wall 11 of the device body and a step (c) and a fixing rib 11d are formed at the lower part. First, a plurality of supports 40 are inserted in slits of a vent hole 11a and a fixing recess 42b is fitted to the fixing rib 11d and a holding claw 43 is supported by the step 11c to attach the filter frame. Subsequently, the filter frame 20 is slightly tilted and the protrusion 22a is inserted in the housing groove 11b and then, it is lowered and the protrusion 23b is housed in the housing groove 43a of the holding claw 43 to attach the filiter frame. When detaching it, the reverse procedure is carried out. The device body 10 has no groove where dust easily collects and the support 40 is a small-sized shape and hence, it can be easily cleaned and also kept clean and further, it can be attached or detached without troubles.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilating device provided in a sash door or the like.

[0002]

2. Description of the Related Art A sash-door-mounted ventilator known in the art has a vent that can be opened and closed, and by opening this vent, natural ventilation of a room can be performed with the sash door closed. Is available. On the other hand, pollen or other dust may enter the room during ventilation. In order to prevent this, for example, Japanese Patent Application Laid-Open No. Hei 8-24675
In No. 9, as shown in FIG. 7, a pair of upper and lower receiving grooves 1b and 1c are formed on the front side of the apparatus main body 1 with the ventilation port 1a interposed therebetween. The upper and lower ends of the filter frame 3 are accommodated in these accommodation grooves 1b and 1c, respectively. The filter 2 presses the filter 2 against the apparatus body 1, and the filter 2 covers the vent 1a.

[0003]

In the above conventional structure,
Dust easily accumulates in the lower accommodation groove 1c. This accommodation groove 1
Since c extends long along the longitudinal direction of the apparatus main body 1 made of the mold material (in FIG. 7, the direction perpendicular to the plane of the paper), it is difficult to remove dust when it accumulates.
Therefore, not only can the ventilation system not be kept clean,
There is a problem that the dust becomes an obstacle and it becomes difficult to insert the filter 2 or the filter frame 3 into the housing groove 1c.

[0004]

According to a first aspect of the present invention, there is provided an apparatus body having a ventilation hole and extending horizontally, a filter frame detachably attached to a front side of the apparatus body, and In the ventilation device provided with the filter frame or disposed between the filter frame and the device main body, and provided with a filter that covers the ventilation port, the device main body has a plurality of supports separated in the longitudinal direction. The support has a support claw having an accommodation groove that opens upward, and the lower end of the filter frame is accommodated and supported in the accommodation groove of the support claw.

In a second aspect based on the first aspect, the support is inserted into a mounting hole formed in the apparatus body.
It has a mounting piece to be locked and is detachably attached to the apparatus main body.

In a third aspect based on the second aspect, the support is provided with a pair of the mounting pieces, and the ventilation holes are formed in a vertically extending slit shape and are equally spaced in the horizontal direction. And any two vents are provided as the mounting holes for receiving a pair of mounting pieces for each support.

According to a fourth aspect of the present invention, in the second and third aspects, a locking rib extending in a longitudinal direction below the mounting hole is provided on a back side of the wall of the apparatus main body where the mounting hole is formed. The mounting piece of the support extends downward from the mounting hole and has a locking recess into which the locking rib is fitted.

According to a fifth aspect of the present invention, in any one of the first to fourth aspects of the present invention, the device main body further includes a receiving groove which is open above the ventilation port and which receives the upper end of the filter frame. Is formed, and when the upper end of the filter frame is abutted against the upper bottom surface of the accommodation groove, the lower end of the filter frame is releasable from the support claw.

According to a sixth aspect of the present invention, in any one of the first to fourth aspects of the present invention, another support claw having a receiving groove formed downward is formed at an upper end portion of the support. The upper end of the filter frame is housed and supported in the housing groove of the claw.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a ventilating apparatus according to a first embodiment of the present invention will be described with reference to FIGS. This ventilation device is attached to a sash door as an upper frame. As shown in FIG. 1 and FIG.
Main body 1 having two front walls 11, middle wall 12, and rear wall 13
0 is provided. The front wall 11 faces the room, and the rear wall 13 faces the outside. These walls 11 to 13 are formed to be elongated in the left-right direction (horizontal direction) using an aluminum mold material.
In each of the walls 11 to 13, a large number of vertically extending slit-shaped vents 11a, 12a, 13a are formed at equal intervals in the left-right direction.

The upper and lower portions of the middle wall 12 and the rear wall 13 are directly connected, and the upper and lower portions of the front wall 11 and the middle wall 12 are connected by a pair of resin bridges 14. Walls 11-1
3 and the left and right ends of the bridge 14 are a pair of caps 15
Are connected to each other. The front wall 11, the middle wall 12, the bridge 14, and the cap 15 form a front interior space 16A, and the middle wall 12, the rear wall 13, and the cap 15 form a rear interior space 16B.
These internal spaces 16A, 16B and the vents 11a, 12
a and 13a constitute an air passage for ventilation.

The structure for opening and closing the air passage will be briefly described. This air passage is opened and closed by opening and closing the ventilation port 12a of the inner wall 12 with the operation plate 17 provided in the internal space 16B. The operating plate 17 extends in the longitudinal direction of the walls 11, 12, and 13, and has an upper end formed with a shaft portion 17a extending in the longitudinal direction. This shaft portion 17a
In the bearing 12b formed above the ventilation port 12a on the rear side surface of the middle wall 12, it is swingably and slidably inserted in the longitudinal direction. The lower end of the operation plate 17 is connected to a cam mechanism (not shown) provided in the internal space 16B. On the other hand, as shown in FIG. 1, a window frame 18 is provided on the right side of the front wall 11, and an operation knob 19 is fitted into the window frame 18 so as to be slidable in the left-right direction. Although not shown, the operation knob 19 is connected to the operation plate 17.

When the operation knob 19 is slid until it touches the right end of the window frame 18, the operation plate 17 slides to the right in FIG.
, Rotate clockwise, separate from the inner wall 12, and open the vent 12a. Conversely, when the operation knob 19 is slid until it touches the left end of the window frame 18, the operation plate 17 slides to the left and rotates counterclockwise to rotate the inner wall 1.
The second vent 11a is closed.

The features of the present invention will be described. The ventilation device includes a filter frame 20 that is separate from the device main body 10. The filter frame 20 is formed on the front side (front side) of the front wall 11 and is formed to be elongated in the left and right directions with an aluminum mold member. The filter 30 provided in the filter frame 20 covers the ventilation port 11a.

The filter frame 20 includes a front wall 21, an upper wall 2
2. It has a lower wall 23 and has a substantially U-shaped cross section with an open rear side.
Are removably accommodated. At the rear end of the upper wall 22, a convex portion 22a protruding upward is provided along the longitudinal direction. A large number of vertically extending slit-shaped vents 21a are formed in the front wall 21 at equal intervals on the left and right. On both front and rear ends of the lower wall 23, convex portions 23a and 23b projecting downward are formed along the longitudinal direction, respectively. The lower end of the front convex portion 23a (second convex portion)
The projection 23b extends below the lower end of the rear projection 23b (first projection).

A structure for installing the filter frame 20 in the apparatus main body 10 will be described. Front wall 11 of device body 10
Is a flat main wall portion 11A having a vent 11a formed therein,
The main wall portion 11A has a locking portion 11B which is continuous with the upper end portion and has an inverted L-shaped cross section. An accommodation groove 11b that opens downward is formed by the main wall portion 11A and the locking portion 11B. The upper protrusion 22a of the filter frame 20 is accommodated in the accommodation groove 11b.

On the other hand, at the lower end of the flat main wall portion 11A,
A step 11c protruding forward is formed. Main wall 1
A locking rib 11d extending in the longitudinal direction of the front wall 11 below the ventilation port 11a is provided on the rear side (back side) of the 1A.

In order to support the lower end of the filter frame 20, a plurality of supports 40 detachable from the apparatus main body 10 are provided.
Is used. The support 40 is made of a stainless steel plate. As best shown in FIG. 3, the support 40 is provided on a main body 41 having a vertical wall shape, and provided on both left and right ends of the main body 41. A pair of mounting pieces 4 to be connected
2 and a support claw 43 provided at the lower end of the main body 41. The support claw 43 has a U-shaped cross section, and the accommodation claw 43 opened upward by the support claw 43.
a is formed. The lower projection 23b of the filter frame 20 is accommodated in the accommodation groove 43a.

The mounting piece 42 is perpendicular to the main body 41 and protrudes rearward of the main body 41. At the rear end of the mounting piece 42, a hanging part 42a extending downward away from the main body 41 is provided.
A locking recess 42b is formed at the edge of the hanging portion 42a facing the main body 41. A pair of mounting pieces 42 are inserted into separate vents 11a and
Fixed to

A method of installing the filter frame 20 on the apparatus main body 10 using the support 40 will be described. First, the front wall 11 of the apparatus main body 10 is spaced apart from the front
Attach one (plural) supports 40. That is, the pair of mounting pieces 42 of the support 40 are inserted into the two ventilation holes 11a of the front wall 11, respectively. Then, the support 40 is lowered while the main body portion 41 is in contact with the main wall portion 11A. Then, the hanging part 42a of the mounting piece 42 descends below the ventilation port 11a, and the locking concave part 42b is locked by the locking rib 11d of the front wall 11.
Fit in. At the same time, the support claw 43 is
Hit.

Next, the filter frame 20 is slightly tilted, and the upper protrusion 22a is inserted into the housing groove 11b of the front wall 11.
Then, while the filter frame 20 is set up vertically, the projections 22 are formed.
a to the upper bottom surface of the accommodation groove 11b. In this state,
The lower end of the lower projection 23b is supported by a support claw 43 of the support 40.
It is located above the upper end of. Thereafter, when the filter frame 20 is lowered, the protrusions 23 b are received in the receiving grooves 43 a of the support claws 43. At this time, the upper convex portion 22a maintains the state of being housed in the housing groove 11b. As a result, the filter frame 20 is set on the apparatus main body 10 so as not to fall off. In addition, the support claw 43 is covered and hidden by the protrusion 23a provided alongside the protrusion 23b so as to be invisible from the outside. Note that cushion members 29 are attached to the front side surface of the upper convex portion 22a at both ends in the length direction thereof.
By being pressed against B and elastically deforming, rattling of the filter frame 20 is prevented.

When removing the filter frame 20 from the apparatus main body 10 for replacing the filter 30 or the like, the opposite operation is performed. That is, the filter frame 20 is pulled up, the upper convex portion 22a is brought into contact with the upper bottom surface of the accommodation groove 11b, and the filter frame 20 is tilted so that the lower convex portion 23b is shifted forward from the support claw 43. 22a is pulled out from the accommodation groove 11b. The support 40 can also be removed from the apparatus main body 10 by the operation opposite to the above. That is, first, the support 40 is pulled up, and the locking recess 42b is removed from the locking rib 11d. Then, the mounting piece 42 is pulled out from the ventilation port 11a.

In the ventilation device configured as described above, the accommodation groove 43 of the support 40 separately attached to the device main body 10 is used.
a to accommodate the lower projection 23b on the lower side of the filter frame 20. The device main body 10 has only a step 11c formed therein, and the accommodation groove for accommodating the lower end of the filter frame 20. Is not provided. Dust may accumulate in the accommodation groove 43a of the support 40.
Since the length of the support 3a is only as large as the width of the support 40 and both ends are open, dust can be easily removed. Therefore, the ventilation device can be kept clean, and there is no possibility that dust will hinder the attachment of the filter frame 20.

Hereinafter, another embodiment of the present invention will be described with reference to FIGS. In the following embodiments, the same components as those in the first embodiment will be denoted by the same reference numerals in the drawings, and the description will be simplified. 4 and 5 show a ventilation device according to a second embodiment of the present invention. In the device body 10 of this ventilation device,
At the upper end of the flat main wall portion 11A having the ventilation port 11a,
A step 11e is formed instead of the accommodation groove.

The main body 51 of the support 50 has a length substantially equal to the distance between the upper step 11e and the lower step 11d, and support claws 52, 53 are formed at both upper and lower ends. I have. A receiving frame 53a formed by the lower supporting claw 53 and opening upward is provided with a filter frame 2.
On the other hand, the lower convex portion 23b is accommodated therein, while the accommodating groove 52a which is formed by the upper supporting claw 52 (another supporting claw) and opens downwardly accommodates the upper convex portion 22a. When the projection 22a is brought into contact with the upper bottom surface of the accommodation groove 52a, the lower end of the lower projection 23b is positioned higher than the upper end of the support claw 53. The filter frame 20 can be attached and detached by the same operation as in the embodiment. In addition, the upper supporting claw 52 is covered and hidden by a convex portion 22 b protruding upward from the front end of the upper wall 22 of the filter frame 20 so as to be invisible from the outside.

The mounting pieces 54 provided on the left and right edges of the main body 51 of the support 50 are vertically separated from each other by two spring parts 5.
Five. The spring portion 55 has a step 55a protruding outward in the width direction of the support 50, and a guide portion 55b extending rearward from the step 55a. The guide portions 55b facing the left and right of the pair of mounting pieces 54 are inclined so as to approach each other rearward. Support 5
When the main unit 11 is attached to the apparatus main body 10, the guide unit 55b is pressed against the edge of the main wall 11A on the side of the ventilation opening 11a, so that the
While elastically deforming 5, the mounting piece 54 is inserted into the vent 11a. When the step 55a passes through the side edge of the vent 11a, the spring portion 55 is elastically restored, and the step 55a is locked to the rear side surface of the main wall 11A.

In the second embodiment, the support 50
The distance between the upper bottom surface of the upper receiving groove 52a and the bottom surface of the lower receiving groove 53a is set to the upper convex portion 22a of the filter frame 20.
And the support 50 is attached to the filter frame 20 in advance, and the filter frame 20 and the support 50 are integrated with the apparatus body 10. You may make it attach / detach to.

FIGS. 6 (a) and 6 (b) show a part of a ventilation device according to a third embodiment of the present invention. The main body 10 of the ventilator includes a step 11c of the front wall 11.
The mounting hole 11f for mounting the support 60 is
It is formed diagonally separately from the vent 11a. The support 60 has a mounting piece 61 inserted into the mounting hole 11f, and a supporting claw 62 connected to the mounting piece 61 at an angle. The support claw 62 projects vertically from the step 11c,
The lower convex portion 23 of the filter frame 20 cooperates with the front wall 11.
An accommodation groove 63 for accommodating b is formed.

The present invention is not limited to the above embodiment, but can be variously modified. For example, the filter 30 may be sandwiched between the filter frame 20 and the main wall 11A of the front wall 11. The filter 30 and the filter frame 20 may be integrated. The present invention can be applied not only to a ventilator incorporated in a sash door but also to a ventilator provided on a wall, a door, or the like, which is generally called a sash.

[0030]

As described above, in the first invention,
Since the lower end of the filter frame can be supported by the support, there is no need to provide a housing groove that opens upward in the apparatus main body. Therefore, there is no possibility that the dust impairs the cleanliness of the ventilation device or hinders the mounting operation of the filter or the filter frame. In the second invention, since the support is detachable from the apparatus main body,
The support can be removed when the filter is not in use. In the third aspect, since the support is connected to the apparatus main body by the pair of mounting pieces, the support, and eventually the filter and the filter frame, can be stably installed on the apparatus main body. In addition, since the ventilation holes are provided as mounting holes, there is no need to separately form mounting holes. Further, since the vents are arranged at equal intervals, the support can be attached to any position. According to the fourth aspect, the support can be easily and reliably attached to the apparatus main body.
According to the fifth aspect, the attachment / detachment operation of the filter frame can be easily performed. In the sixth aspect, it is not necessary to provide an accommodation groove for accommodating the upper end of the filter frame in the apparatus main body, and the structure of the apparatus main body can be simplified.

[Brief description of the drawings]

FIG. 1 shows a ventilation device according to a first embodiment of the present invention,
FIG. 4 is a front view showing a state in which a filter frame is mounted.

FIG. 2 is a side sectional view taken along line AA of FIG.

FIG. 3 is an exploded perspective view of the support of FIG. 1 and a main wall of a front wall.

FIG. 4 is a side sectional view corresponding to FIG. 2 of a ventilation device according to a second embodiment of the present invention.

5 is an exploded perspective view of the support of FIG. 4 and a main wall portion of a front wall.

FIG. 6 (a) is a front view of a main part of a ventilation device according to a second embodiment of the present invention. (B) is a side sectional view taken along line BB of (a).

FIG. 7 is a side sectional view of a conventional ventilation device.

[Explanation of symbols]

 Reference Signs List 10 apparatus main body 11 front wall (wall) 11a vent 11c step 11b receiving groove 11d locking rib 11f mounting hole 20 filter frame 23a convex part (second convex part) 23b convex part (first convex part) 30 filter 40 , 50, 60 Supports 42, 54, 61 Mounting pieces 42b Locking recesses 43, 53, 62 Supporting claws 43a, 53a Receiving grooves 52 Supporting claws (other supporting claws) 52a Receiving grooves

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E036 JA04 JA09 KA06 KB01 LA03 LA06 LB03 LB06 4D058 JA12 KA01 KA23 KC32 KC35 KC81

Claims (6)

[Claims] 1. An apparatus main body having a vent and extending horizontally, a filter frame detachably attached to a front side of the apparatus main body, and provided on the filter frame or between the filter frame and the apparatus main body. In the ventilation device provided with a filter that covers the ventilation port, a plurality of supports are attached to the device main body at a distance in the longitudinal direction, and the support forms a receiving groove that opens upward. A ventilator having a supporting claw, wherein a lower end of the filter frame is housed and supported in a housing groove of the supporting claw. 2. The apparatus according to claim 1, wherein the support has a mounting piece inserted and locked in a mounting hole formed in the apparatus main body, and is detachably mounted on the apparatus main body.
A ventilator according to claim 1. 3. The support is provided with a pair of the mounting pieces, a large number of the ventilation holes are formed in a vertically extending slit shape at equal intervals in the horizontal direction, and any two ventilation holes are formed. A mouth is provided as said mounting hole for receiving a pair of mounting pieces of each support.
A ventilator according to claim 1. 4. A locking rib extending in a longitudinal direction below the mounting hole is provided on a back side of a wall of the apparatus main body in which the mounting hole is formed, and a mounting piece of the support is provided from the mounting hole. The ventilation device according to claim 2, further comprising a locking recess that extends downward and into which the locking rib is fitted. 5. The apparatus main body has a receiving groove formed above the ventilation hole and opening downward for receiving the upper end of the filter frame, and the upper surface of the receiving groove is provided with the filter. The ventilation device according to any one of claims 1 to 4, wherein a lower end portion of the filter frame is releasable from the support claw when the upper end portion of the frame is abutted. 6. An upper end portion of the support is provided with another support claw having an accommodation groove opened downward, and an accommodation groove of the other support claw accommodates an upper end portion of the filter frame.
The ventilation device according to claim 1, wherein the ventilation device is supported.