JPH0682072A - Panel mounting device and heat exchanging ventilator including the same - Google Patents

Abstract

PURPOSE:To obtain a safe and inexpensive panel mounting device by a method wherein a panel is constituted so as to be unable to be opened otherwise the panel under closed condition is elevated. CONSTITUTION:A panel 2 is slid toward the base end 2a thereof under a condition that the tip end 2b of the panel 2 under closed condition is elevated to release the tip end side projection 42 of a frame body from the retaining vertical groove 52a of the tip end side engaging piece 52 of the panel 2 through a notch 51b for attaching and/or detaching whereby hooking of the tip end engaging piece 52 to the tip end side projection 42 can be released. Next, the tip end 2b side of the panel 2 is pivoted downward about the base end 2a side whereby the panel 2 can be opened under vertical condition substantially. Under a condition that the tip end side 2b of the panel 2 is not elevated, the hooking of the tip end side engaging piece 52 can not be released. In this case, the panel 2 can not be opened also. According to this method, unnecessary opening of the panel 2 due to mistaken detaching operation can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel mounting device which is mounted in a ventilation hole of a ceiling, and a heat exchange ventilation device including the panel mounting device.

[0002]

2. Description of the Related Art Conventionally, as the panel mounting device, there is one disclosed in Japanese Utility Model Laid-Open No. 1-60143. This panel mounting device is provided with an engaging portion on a frame body provided along the opening, and a panel formed on the engaging portion so as to be engageable with and disengageable from each other. It is provided so that it can be expanded and contracted in the side wall direction of the body. In this panel mounting device, by pressing the engagement piece against the side wall of the frame body, the overall size is contracted so that the panel can be inserted into the frame body. When the pressing force is removed, the engagement piece extends and the engagement piece engages. The panel is attached to the frame by engaging the joint.

[0003]

However, this panel mounting device has the following problems. 1) A holding structure for slidably holding a spring and an engagement piece biased by the spring is required, which complicates the structure and increases the manufacturing cost. 2) It is dangerous because the panel is unnecessarily opened due to a mistake in the detaching operation, such as when the engaging piece is contracted without supporting the panel by hand.

Therefore, an object of the present invention is to provide a safe and inexpensive panel mounting device and a heat exchange ventilation device including the same.

[0005]

According to a first aspect of the present invention, there is provided a panel mounting device for mounting a panel, which is rotated about a base end portion thereof to open and close an opening provided on a ceiling surface, to the opening. In the above, in the closed state of the panel, the frame body mounted along the edge of the opening is formed between the base end side end surface and the tip end side end surface of the panel and the side wall of the frame body facing these, and air supply or A gap that constitutes the exhaust passage,
Among the side walls of the frame body, the base end side end surface of the panel and the base end side projection part and the tip end side projection part provided on each of the pair of side walls facing the pair of side faces orthogonal to the base end side end surface of the panel. And a base end side engaging piece and a front end side engaging piece that hold the panel in a closed state in a state of being respectively hooked on the base end side protruding portion and the tip end side protruding portion. The tip-side engaging piece is formed continuously with the holding vertical groove for holding the tip-side protruding portion and the holding vertical groove, and the panel is slid in a state in which the front end of the panel is lifted upward. To form a detachment notch for detaching the tip-side protrusion from the holding vertical groove, and the base-end-side engaging piece is configured such that the base-side protrusion is the base-end side or the tip-end side of the panel. For holding slidably and pivotally along A holding lateral groove and a detachment notch formed continuously with the holding lateral groove for detaching the base end side projection from the holding lateral groove when the panel is opened. It is a feature.

A panel mounting device according to a second aspect of the present invention is
The cross-sectional shape of the base end side protrusion is such that the width in the vertical direction is longer than the width in the horizontal direction, and the width of the attachment / detachment notch of the base end side engaging piece is set to be the length of the base end side protrusion. The width is narrower than the width in the direction and wider than the width in the lateral direction. Further, a heat exchange ventilator according to claim 3 is the heat exchange ventilator including the panel mounting device according to claim 1 and having an air supply side air passage and an exhaust side air passage including the gap. Is attached to either one of the lower surface of the member facing the panel in the closed state and the upper surface of the panel, and is pressed against the other in the closed state of the panel to seal the two, thereby forming the air supply side air passage. The present invention is characterized by including a partition member made of an elastic body for partitioning the exhaust side air passage.

[0007]

According to the panel mounting apparatus of the first aspect, the panel is slid toward the base end side in a state where the front end portion of the panel in the closed state is lifted, and the front end side projection portion of the frame body is moved to the front end side of the panel. By detaching the engagement piece from the holding vertical groove through the detachment notch, the hooking of the tip-side engagement piece with respect to the tip-side protrusion is released. Next, the panel can be opened in a substantially vertical state by rotating the panel downward about the base end side and the tip side. If the front end of the panel is not lifted, it is not possible to release the engagement of the front side engaging piece, that is, it is impossible to open the panel.
It is possible to prevent unnecessary opening of the panel due to mistaken attachment / detachment operation.

If necessary, with the panel open, the panel is lifted upward to detach the base end side projection of the frame from the holding groove of the base end side engaging piece of the panel. It can be removed through the notch. Thereby, the hooking of the base end side engaging piece to the base end side projection is released, and the panel can be completely removed. The sliding of the panel toward the base end side is ensured by the gap forming the air supply or exhaust passage.

Further, according to the panel mounting apparatus of the second aspect, since the width of the detachment notch of the base end side engaging piece is narrower than the longitudinal width of the base end side protrusion, the detachment notch part. In the closed state of the panel whose width direction is along the vertical direction, the base end side protrusion is prevented from coming off from the attachment / detachment notch. On the other hand, since the width of the detachment notch of the proximal end side engagement piece is wider than the width of the proximal end side protrusion in the lateral direction, in the open state of the panel in which the width direction of the detachment notch is along the lateral direction. The proximal end side protrusion can be detached from the detachment notch.

Further, according to the heat exchange ventilator of the third aspect, when the panel is closed, the partition member made of the elastic body seals between the upper surface of the panel and the lower surface of the member facing the panel. The air supply side air passage and the exhaust side air passage can be reliably separated by the partition member.

[0011]

Embodiments will be described in detail below with reference to the accompanying drawings showing embodiments. FIG. 2 is a schematic configuration diagram of a heat exchange ventilation device including a panel mounting device according to an embodiment of the present invention. Referring to FIG. 2, the heat exchange ventilation device A is located above an opening 1a of a ceiling surface 1. In the casing 10 arranged in the
The supply air introduced from the air supply side fan 11, the heat exchanger 12
And the air supply side path P for introducing into the room through the clearance 13, and the exhaust side fan 15 and the heat exchanger 12 from the clearance 14.
Also, an exhaust side path Q for discharging to the outside through the exhaust air outlet EA is configured, and heat is exchanged between the supply air introduced into the heat exchanger 12 and the exhaust.

An opening / closing panel 2 that can substantially close the opening 1a with the gaps 13 and 14 is attached to the opening 1a by the panel attaching device B of this embodiment. . The panel 2 is rotated around the base end portion 2a to open and close the opening 1a. A partition member 17 made of an elastic material such as urethane is attached to a support member 16 for supporting the heat exchanger 12 in the casing 10. The partition member 17 contacts the upper surface of the central portion of the panel 2 in the closed state of the panel 2 so as to reliably partition the air supply side air passage P and the air exhaust side air passage Q.

In the panel mounting device B, the frame body 3 mounted along the edge of the opening 1a, and the base end side protrusions 4 formed on the side walls 31 and 32 of the frame body 3 facing each other.
1 and the tip end side protrusion 42, and the base end side engagement piece 51 and the tip end side engagement member formed on the side surface of the panel 2 and detachably hooked to the base end side protrusion 41 and the tip end side protrusion 42, respectively. And a joint piece 52. In order to prevent the proximal end side engaging piece 41 and the distal end side engaging piece 42 from falling off and to position the panel 2 in the width direction, the distal end portions of the proximal end side protruding portion 51 and the distal end side protruding portion 52, Disc-shaped heads 41a and 42a are provided.

Referring to FIG. 3, four side walls 31 of the frame body 3
The side wall 33 forms a gap 13 between the side wall 33 and the end face of the panel 2 in the closed state.
4 is a gap 1 between the end face of the panel 2 in the closed state and the end face.
4 are formed (see FIG. 3). Referring to FIG. 4, the panel 2 includes a panel body 21 and the panel body 2
It is composed of a pair of plate members 22 and 23 screwed to the upper surface of 1. The base end side engagement piece 51 and the tip end side engagement piece 52 described above.
Are integrally formed at both ends of the plate members 22 and 23, respectively. The base end side engagement piece 51 and the tip end side engagement piece 52 are the base end side projection 41 and the tip end side projection 4 respectively.
It is a hook-like member that holds the panel 2 in a closed state when hooked on each of the two.

The front end side engaging piece 52 is formed continuously with the holding vertical groove 52a for holding the front end side protruding portion 42 and the holding vertical groove 52a, and from the holding vertical groove 52 to the front end side protruding portion 4.
2 has a notch 52b for attaching and detaching. The base end side engaging piece 51 includes a holding lateral groove 51a for holding the base end side protruding portion 41 slidably and rotatably along the base end side or the tip end side of the panel 2, and the holding lateral groove. 5
1a and has a detachment notch 51b for attaching and detaching the base end side protrusion 41 from the holding lateral groove 51a.

As for the cross-sectional shape of the above-mentioned base end side projection 41, the width in the vertical direction is made longer than the width in the horizontal direction. Further, the width of the detachment notch 51b of the base end side engaging piece 51 is made narrower than the width of the base end side protrusion 41 in the vertical direction and wider than the width in the horizontal direction. Next, the operation of the panel mounting device B will be described with reference to FIG. Figure 1 (a)
Shows the closed state of the panel 2 in which the respective engagement pieces 51, 52 are hooked on the corresponding protrusions 41, 42.

The front end portion 2b of the panel 2 in the closed state is
As shown in FIG. 1 (b), it is lifted. In this lifted state, as shown in FIG. 1C, the panel 2 is slid toward the base end side, so that the tip side protrusion 42 of the frame body 3 is moved.
Can be detached from the holding vertical groove 52a of the front end side engagement piece 52 of the panel 2 through the detachment notch 52b. The hooking of the tip-side engagement piece 52 with respect to the tip-side protrusion 42 is released. The slide of the panel 2 is secured by the gap 13 that constitutes the exhaust passage. Further, since the width of the detachment / attachment cutout portion 51b of the base end side engagement piece 51 is narrower than the width of the base end side protrusion 41 in the vertical direction, the panel in which the widthwise direction of the detachment / attachment cutout portion 51b is along the vertical direction. In the closed state of FIG. 2, even if the panel 2 is slid toward the base end side as shown in FIG.
Do not drop from b.

Next, as shown in FIG. 1D, the panel 2
The panel 2 can be opened in a substantially vertical state by rotating the front end side downward about the base end side. Then, the detachment notch 51b of the proximal end side engaging piece 51
Since the width of is wider than the width of the base end side protrusion 41 in the lateral direction,
In the opened state of the panel 2 in which the width direction of the attachment / detachment notch 51b is along the lateral direction, the panel 2 is lifted up as shown in FIG. It can be detached from the holding groove 51a through the detachment notch 51b. As a result, the proximal end side engaging piece 5
The panel 2 can be completely removed by releasing the hooking of the base end side projection portion 41 of 1.

According to this embodiment, the tip 2 of the panel 2 is
In the state where b is not lifted, the hooking of the front end side engagement piece 52 cannot be released. Conversely, since the panel 2 cannot be opened unless the panel 2 is lifted, unnecessary opening of the panel 2 due to mistaken attachment / detachment operation is prevented. can do. Therefore, it is safe. Further, the simple structure is only provided with the engagement pieces 51, 52 and the protrusions 41, 42, and the number of parts can be reduced and the manufacturing cost can be reduced.

Moreover, in the opened state of the panel 2 in which the width direction of the detachment / attachment notch portion 51b is along the lateral direction, FIG.
As shown in FIG. 2, the base end side protrusion 41 can be detached from the detachment notch 51b by lifting the panel 2 upward, while the width of the detachment notch 51b extends in the vertical direction. In the closed state of FIG. 1, even if the panel 2 is slid toward the base end side as shown in FIG. 1C, the base end side protrusion 41 does not fall off from the attachment / detachment notch 51b. Therefore, it is safe.

Further, when the panel 2 is closed, the partition member 17 made of an elastic material seals the space between the upper surface of the panel 2 and the lower surface of the support member 16 facing the panel 2, so that the partition member 17 supplies air. The side air passage P and the exhaust side air passage Q can be reliably separated from each other. In the above embodiment, the engaging pieces 51 and 52 are formed on the plate members 22 and 23 attached to the panel body 21, but the engaging pieces 51 and 52 are integrally resin-molded to the panel body 21. You can also do it.

In addition, various design changes can be made without changing the gist of the present invention, such as attaching the partition member 17 to the panel 2 side.

[0023]

According to the panel mounting apparatus of the first aspect, the panel cannot be opened unless the panel in the closed state is lifted, so that the panel can be prevented from being unnecessarily opened and is safe. Further, since the structure is simple in that only the engaging piece and the protrusion are provided, the number of parts can be reduced and the manufacturing cost can be reduced.

Further, according to the panel mounting apparatus of the second aspect, the base end side protruding portion can be detached from the attachment / detachment cutout portion when the panel is open, and the base end portion can be detached when the panel is closed. It is safe because the side projections are prevented from falling off from the detachment notch. Further, according to the heat exchange ventilator according to the third aspect, the air supply side air passage and the exhaust side air passage can be reliably separated by the partition member in the closed state of the panel.

[Brief description of drawings]

FIG. 1 is a process diagram sequentially showing a panel opening operation by a panel mounting device according to an embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of a heat exchange ventilation device including a panel mounting device.

FIG. 3 is a perspective view of a frame body.

FIG. 4 is an exploded perspective view of a main part including a panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ceiling surface 1a Opening 2 Panel 2a Base end part 2b Tip part 3 Frame body 17 Partition member 31-34 Side wall 41 Base end side projection part 42 Tip end side projection part 51 Base end side engaging piece 51a Holding lateral groove 51b Desorption notch Part 52 Front end side engaging piece 52a Holding vertical groove 52b Desorption notch

Claims (3)

[Claims] 1. A panel mounting for mounting a panel (2) which is rotated around a base end (2a) to open and close an opening (1a) provided on a ceiling surface (1) to the opening (1a). In the device, a frame (3) mounted along the edge of the opening (1a)
Is formed between the proximal end face and the distal end face of the panel (2) in the closed state of the panel (2) and the side walls (33, 34) of the frame body (3) that face them, and supply air or A pair of side walls (31, 3) facing the pair of side surfaces of the space (13, 14) constituting the exhaust passage and the side wall of the frame (3) orthogonal to the proximal end face of the panel (2).
2) provided on each of the base end side projection part (41) and the tip end side projection part (42), and on the pair of side faces orthogonal to the base end side end face of the panel (2), respectively. A base end side engaging piece (51) and a front end side engaging piece (52) for holding the panel (2) in a closed state in a state of being hooked on the protrusion (41) and the tip side protrusion (42), respectively. The tip end side engaging piece (52) includes a holding vertical groove (52a) for holding the distal end side protruding portion (42), and the holding vertical groove (5).
2a) is formed continuously, and the tip portion (2) of the panel (2) is formed.
A detachment notch (52) for detaching the tip side protrusion (42) from the holding vertical groove (52a) by sliding the panel (2) with the b) being lifted up.
b) is formed, and the base end side engagement piece (51) slidably and pivotally moves the base end side protrusion (41) along the base end side or the tip end side of the panel (2). Holding lateral groove (51
a) and the holding lateral groove (51a) are formed continuously, and the base side projection (41) is detached from the holding lateral groove (51a) with the panel (2) opened. A panel notch (51b) for forming a panel mounting device. 2. The cross-sectional shape of the base end side protrusion (41) is
The width in the vertical direction is made longer than the width in the horizontal direction, and the width of the detachment notch (51b) of the base end side engaging piece (51) is set to the width of the base end side protrusion (41) in the vertical direction. The panel mounting device according to claim 1, wherein the panel mounting device is narrower than the width and wider than the width in the lateral direction. 3. A heat exchange ventilation device comprising the panel mounting device according to claim 1, and comprising an air supply side air passage (P) and an exhaust air side air passage (Q) including the gaps (13, 14). Attached to either one of the lower surface of the member (16) facing the panel (2) and the upper surface of the panel (2) in the closed state of the panel (2), and the other in the closed state of the panel (2). The heat is characterized by comprising a partition member (17) made of an elastic body for partitioning the air supply side air passage (P) and the air exhaust side air passage (Q) by being pressed against and sealing the both. Exchange ventilation system.