JP2550754B2 - Heat exchange ventilator - Google Patents

Description

TECHNICAL FIELD The present invention relates to a heat exchange ventilator, and more specifically,
The present invention relates to a heat exchange ventilator that allows a supply air flow and an exhaust flow to pass through a heat exchanger having a substantially rectangular prism shape installed in a casing for heat exchange.

<Prior Art> The heat exchange ventilator is generally used in a state where it is arranged in the space above the ceiling and communicated with the outside through a duct. This heat exchange ventilator is disclosed in Japanese Utility Model Publication No. 63-37622, and as shown in FIG. 7, inside a box-shaped casing 100 having an opening 101 on the lower surface, a substantially square shape is provided. The heat exchanger 102 having a columnar shape is arranged in a substantially inscribed state, and the opening 101 of the casing 100 is
Decorative panel with indoor air supply port 110 and indoor air exhaust port 111
It is covered by 109. This heat exchanger 102
A first supporting member 103 is projectingly provided on one of the two laterally opposed ridgeline portions of the four ridgeline portions, and the first support member 103 is a support fixed to the casing 100. The piece 104 is rotatably supported via a hinge 105.
Further, a second support member 106 is provided on the other side of the ridge portion so as to project. The second support member 106 is locked by a screw 108 to a locking member 107 fixed to the casing 1. ing. Further, the heat exchanger 102 is provided with a first air passage A1 and a second air passage A2 which are orthogonal to each other, and the first air passage A1 is connected to the indoor air supply port 110 of the filter 109.
The second air passage A2 faces the indoor exhaust port 111, respectively. A filter F1 for cleaning the supply air flow is detachably provided on the upstream side of the first air passage A1 of the heat exchanger 102, and the exhaust flow is provided on the upstream side of the second air passage A2. A filter F2 for cleaning is provided so as to be removable.

In the heat exchange ventilator described above, maintenance and inspection of the heat exchanger 102 installed in the casing 100, cleaning and replacement of the filters F1, F2, the screw 108 is removed and the heat exchanger 102 is centered around the hinge 105. By rotating the heat exchanger 102 toward the opening 101 side, a part of the heat exchanger 102 is exposed downward from the opening 101.

<Problems to be Solved by the Invention> However, in the heat exchange ventilator, even when the heat exchanger 102 can be exposed from the opening 101, the heat exchanger 1
It is difficult to remove 02 from the casing 1, and the heat exchanger 102 must be removed from the hinge 105 in order to intentionally remove it. However, since the heat exchange ventilation device is generally installed at a high place such as a ceiling, the work of removing the heat exchanger 102 from the hinge 105 while supporting the heat exchanger 102 is a complicated work accompanied by danger. I had to do it.

This invention has been made in view of the above problems,
(EN) Provided is a heat exchange ventilator capable of easily exposing a part of a heat exchanger contained in a casing below an opening of the casing and easily removing the heat exchanger from the casing. With the goal.

<Means for Solving the Problems> In order to achieve the above-mentioned object, the heat exchange ventilation device of the present invention includes:
The casing is covered with a decorative panel having an indoor air supply port and an indoor air exhaust port, and the casing is provided with a substantially rectangular columnar heat exchanger having a first air passage and a second air passage orthogonal to each other. One of a pair of ridge line portions facing in the lateral direction of the heat exchanger in a heat exchange ventilator installed with one of them facing the indoor air supply port and the other facing the indoor air exhaust port. A first supporting member, and a second supporting member on the other, respectively, and a receiving member that receives the first supporting member in a state where the casing is allowed to rotate toward the opening side of the heat exchanger; An engaging member that detachably engages the support member is provided, and the heat exchanger is hung in a state in which the heat exchanger is rotated to the opening side between the first support member and the receiving member. And an engaging portion that is detachably hooked to engage with each other for holding. The engaging portion and the engaging portion are arranged so as to form L-shapes opposite to each other, and contact the at least one of the first support member and the heat exchanger above the first support member to provide the first support. A seal member for partitioning an upper space and a lower space of the member is arranged, and in a state where the second support member is locked to the locking member, the sealing member includes at least one end of the engaging portion and the engaged portion. At least one of the first support member and the heat exchanger is brought into pressure contact with the seal member with the contact portion between the first support member and the receiving member as a fulcrum.

<Operation> According to the heat exchange ventilation device having the above configuration, the first support member provided on one ridgeline portion of the heat exchanger is received by the receiving member provided on the casing, and is provided on the other ridgeline portion. The heat exchanger can be supported in the casing by locking the second support member with the locking member provided in the casing. Also, with the decorative panel removed from the casing, the locked state of the second support member is released, and the heat exchanger is rotated to the opening side of the casing about the first support member side, The heat exchanger can be exposed from the opening, and in this exposed state, the heat exchange is performed by the engaging portion and the engaged portion provided on the first supporting member and the receiving member that are hooked and engaged with each other. The vessel can be held in a suspended state. Furthermore, the heat exchanger can be removed from the casing by separating the engaging portion and the engaged portion.

On the other hand, to install the removed heat exchanger in the casing,
In a state where the first support member is engaged with the receiving member, the heat exchanger may be pivoted upward about them to lock the second support member to the locking member. In this locked state, A first including at least one end of the engaging portion and the engaged portion;
At least one of the first support member and the heat exchanger can be brought into pressure contact with the seal member by using the contact portion between the support member and the receiving member as a fulcrum, whereby a space above the first support member in the casing is formed. The airtightness with the lower space can be well ensured.

<Example> Hereinafter, an example will be described in detail with reference to the accompanying drawings. FIG. 1 is a schematic view showing the internal structure of the heat exchange ventilation device of the present invention. The heat exchange ventilator is a ceiling-embedded type, and functionally exhausts air to the outside through a duct (not shown) and takes in outside air, and has a substantially rectangular columnar heat exchanger 2 installed in the casing 1. Through which the supply air flow and the exhaust air flow are passed and the heat exchange is performed in the heat exchanger 2 while the supply air flow is blown out and the exhaust flow is taken in from the decorative panel 4 mounted facing the ceiling surface 3. Is.

The casing 1 of the heat exchange ventilation device has an opening on the lower surface.
It is in the shape of a substantially rectangular box having 10, and the opening 10
Is covered with the decorative panel 4 in which the indoor air supply port 41 and the indoor exhaust port 42 are formed. The heat exchanger 2 is provided with a first air passage A1 through which a supply air flow passes and a second air passage through which an exhaust air flow passes so as to be orthogonal to each other. The first air passage A1 is used as the indoor air supply port 41 of the decorative panel 4, and the second air passage A2 is used as the indoor air exhaust port 42.
Are arranged in the casing 1 so as to face each other.

A pair of ridge line portions 21 and 2 facing each other in the lateral direction of the heat exchanger 2.
One ridge line portion 21 of the two has a hook-shaped first supporting member 23 whose tip is bent downward, and the other ridge line portion 22 is formed with a plurality of through holes 24a. Second support member 2
4 are protruding. As shown in FIG. 2, these support members 23 and 24 are provided along the entire length of the ridge line portions 21 and 22 of the heat exchanger 2, and the heat exchanger 2 is provided on the base side of each of them.
Double leg contact plates 23a, 24b are provided along both sides of the ridge line portions 21, 22. The tip end portion of the first support member 23 bent downward is a receiving member described later.
It is configured as an engaging portion 23b that engages with the engaged portion 11a of 11.

A receiving member that receives the first support member 23 at a portion of the inner wall of the casing 1 that corresponds to the first support member 23.
11 are protruding. The receiving member 11 has a tip portion bent upward, and the tip portion has the first portion
Engagement portion 1 capable of being hooked and engaged with the engagement portion 23b of the support member 23
It is configured as 1a. The engaging portion 23b and the engaged portion 1
As shown in FIG. 3, when the heat exchanger 2 is rotated downward and is exposed, the heat exchanger 2 is engaged with the heat exchanger 2 so that the heat exchanger 2 can be held in a suspended state.

On the side of the inner wall of the casing 1 facing the receiving member 11, a locking member 12 for locking the second support member 24.
Is provided. The locking member 12 is the second support member 24.
Is provided corresponding to each through hole 24a of the
The second support member 24 is formed into a substantially U-shaped cross section so that the second support member 24 can be received and locked in the inserted state. The locking member 12 is held by a holding member 12a protruding from the inner wall of the casing 1. Incidentally, the holding member 12a
A seal 26 made of an elastic material such as rubber or sponge, which is in contact with the upper surface of the second support member 24, is attached to the lower surface of the second support member 24 so as to partition the upper space and the lower space of the second support member 24 with good airtightness. Has been. Then, the second support member 24 is locked by a screw 12c screwed into the locking member 12 in a state in which the lateral movement thereof is restricted (see particularly FIG. 5), and the screw 12c is loosened. By moving the heat exchanger 2 in the direction of the locking member 12 by the lock, the locked state by the locking member 12 is released, and the downward rotation around the first support member 23 side is allowed.

Further, inside the casing 1, a seal member 25 is provided which is in close contact with the contact plate 23a on the upper side of the first support member 23 and separates the upper space and the lower space of the receiving member 11 from each other.
The seal member 25 is formed by attaching a seal 25a made of an elastic material such as rubber or sponge to the tip of a holding plate 25b extending from the inner wall of the casing 1. The seal 25a is the first support. It is in close contact with the contact plate 23a of the member 23. Here, the contact plate 23a of the first support member 23 is
With the support member 24 locked to the locking member 12, the contact point B between the lower end surface of the engaging portion 23b of the first support member 23 and the receiving member 11 is used as a fulcrum to strengthen the seal 25a against the seal 25a. Pressed.

It should be noted that partition plates 29a, 29b are respectively provided on the ridge line portions 27, 28 facing each other in the vertical direction of the heat exchanger 2 so that one partition plate 29a is brought into contact with the decorative plate 4 and the other partition plate 29a is brought into contact therewith. Board 29b
Is an auxiliary partition plate 15 suspended from the ceiling surface of the casing 1.
It is in intimate contact with via a seal 16. Further, a filter F1 for cleaning the supply air flow is detachably provided on the upstream side of the first air passage A1 of the heat exchanger 2, and the exhaust flow is provided on the upstream side of the second air passage A. A filter F2 for cleaning is provided so as to be removable.

With the above configuration, at the time of maintenance and inspection of the heat exchanger 2 and cleaning and replacement of the filters F1 and F2, with the decorative panel 4 removed from the casing 1, loosen the screw 12c screwed to the locking member 12. And the heat exchanger 2 is moved to the right in FIG.
The locked state of 24 can be released, and in this state, the heat exchanger 2 is rotated clockwise around the first support member 23 side, whereby a part of the heat exchanger 2 is partially transferred to the casing 1. It can be exposed through the opening 10 (see FIG. 3).
Then, in this exposed state, the engaging portion 23b of the first support member 23 and the engaged portion 11a of the receiving member 11 are hooked and engaged, and the heat exchanger 2 can be held in a suspended state. . Therefore, in this suspended state, the filters F1, F
Cleaning and replacement work of 2 can be easily done.

Further, while lifting the heat exchanger 2 slightly upward in the suspended state, the heat exchanger 2 is moved toward the locking member 12 to release the hooking engagement between the engaging portion 23b and the engaged portion 11a. The heat exchanger 2 can be easily removed from the casing 1 (see FIG. 4). Therefore, the inspection and cleaning of the heat exchanger 2 can be easily performed on the ground.

Moreover, since the second support member 24 can be temporarily temporarily fixed by the locking member 12, there is no risk that the heat exchanger 2 will accidentally drop when the heat exchanger 2 is attached or detached, and it is safe. Moreover, the attachment / detachment work can be easily performed.

On the other hand, when mounting the heat exchanger 2, the first support member 23
And the receiving member 11 are engaged with each other, the heat exchanger 2 is rotated counterclockwise about these, and the second support member
The mounting can be completed by locking 24 with the locking member 12 and restricting the movement of the heat exchanger 2 with the screw 12c. At this time, the first support member 23 and the receiving member 11
The contact plate 23a on the upper portion of the first support member 23 is pressed against the seal 25a of the seal member 25 with the contact point B of the contact point B as the fulcrum. Therefore, the first support member in the casing 1
Airtightness between the upper space and the lower space of 23 can be ensured satisfactorily.

Further, in the manufacturing process of the heat exchange ventilator, when the heat exchanger 2 is assembled to the casing 1, the first support of the heat exchanger 2 in the state where the casing 1 is inverted so that the opening 10 faces upward. When the member 23 is introduced between the seal member and the receiving member 11, the heat exchanger 2 causes the seal member 25 and the receiving member.
Since it is supported by 11 and 11, the assembling work of the heat exchanger 2 to the casing 1 can be easily performed.

The heat exchange ventilator according to the present invention is not limited to the above embodiment, and for example, the pressure contact between the first support member 23 and the seal member 25 uses the tip of the engaged portion 11a of the receiving member 11 as a fulcrum. May be done. Also, as shown in FIG.
The engaging portion 23b of the first support member 23 is replaced by the engaged portion 1 of the receiving member 11.
1a may be formed by a through hole that can be introduced. In this case, by providing a protrusion T on one or both of the first support member 23 and the receiving member 11, the contact portion B of both is formed. You may. Furthermore, the seal member 25 may be in direct contact with the heat exchanger 2, or may be in contact with both the first support member 23 and the heat exchanger 2.

<Effects of the Invention> As described above, according to the heat exchange ventilator of the present invention, the locked state of the second support member provided on one of the pair of ridge lines facing in the lateral direction of the heat exchanger is released. Then, the heat exchanger can be exposed from the opening by rotating the heat exchanger in the direction of the opening of the casing with the side of the first support member provided on the other ridge side as the center of rotation. Therefore, the filter can be easily cleaned and replaced in this exposed state.

Further, since the heat exchanger can be easily removed from the casing by releasing the engagement between the first support member and the receiving member, the heat exchanger can be easily inspected and cleaned. .

Further, with the heat exchanger mounted, the seal member provided above the first support member with the contact portion between the first support member and the receiving member serving as a fulcrum, the first support member and the heat Since at least one of the exchangers can be brought into close contact with each other satisfactorily, there is a unique effect that the airtightness between the upper space and the lower space of the first support member in the casing can be reliably ensured.

[Brief description of drawings]

FIG. 1 is a schematic view showing the internal structure of a heat exchange ventilation device of the present invention, FIG. 2 is a plan view with a decorative panel removed, and FIGS. 3 and 4 are schematic views showing a method for attaching and detaching a heat exchanger. 5 and 5 are enlarged cross-sectional views of main parts, FIG. 6 is a perspective view of main parts showing another embodiment, and FIG. 7 is a schematic view showing a conventional example. 1 ... Casing, 11 ... Receiving member, 11a ... Engagement part, 12 ... Locking member, 2 ... Heat exchanger, 21,22 ... Ridge part facing in the lateral direction, 23 ... No. 1 support member, 23b ... engaging part, 24 ... second support member, 25 ... seal member, 4 ... decorative panel, B ... abutting part between first support member and receiving member, A1 ... First air passage, A2 ... Second air passage.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Shou 60-41745 (JP, U) Sekiyo 1-60145 (JP, U) Seki 59-110834 (JP, U) Sekikai 1- 82438 (JP, U)

Claims (1)

(57) [Claims] 1. A decorative panel (4) having an indoor air supply port (41) and an indoor air exhaust port (42) for the opening (10) of a casing (1) having an opening (10) on the lower surface. The casing (1) is covered with a heat exchanger (2) in the shape of a substantially quadrangular prism having a first air passage (A1) and a second air passage (A2) which are orthogonal to each other. , A2)
In the heat exchange ventilation device in which one of the two is faced to the indoor air supply port (41) and the other is faced to the indoor air exhaust port (42), the lateral direction of the heat exchanger (2) The first support member (23) on one (21) of the pair of ridges (21, 22) facing each other and the second support member (24) on the other, respectively, and heat exchange with the casing (1). A receiving member (11) for receiving the first supporting member (23) in a state where the device (2) is allowed to rotate toward the opening side, and a locking member for detachably locking the second supporting member (24). (12) is provided, and the heat exchanger (2) is hung on the first support member (23) and the receiving member (11) while the heat exchanger (2) is rotated toward the opening side. An engaging portion (23b) and an engaged portion (1a) that are hooked and engaged in a separable manner so as to be held in a lowered state;
The first support member (23) and the heat exchanger (2) are in contact with at least one of the first support member (23) and the first support member (23). A seal member (2) that partitions an upper space and a lower space of the first support member (23).
5) is disposed and the second support member (24) is locked to the locking member, and includes at least one end of the engaging portion (23b) and the engaged portion (11a). At least one of the first support member (23) and the heat exchanger (2) is pressed against the seal member (25) with the contact portion (B) between the support member (23) and the receiving member (11) as a fulcrum. The heat exchange ventilator characterized by having.