JP2830676B2 - Ventilation equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator for supplying and exhausting air through a built-in heat exchanger.

[0002]

2. Description of the Related Art A conventional ventilating apparatus of this kind is, for example, as disclosed in Japanese Utility Model Laid-Open No. 62-9043. That is, as shown in FIG. 13, the ventilator has a heat exchanger 2 incorporated in a box 1 constituting an outer shell of the main body, and is suspended and fixed to a space behind the ceiling 3 by an anchor bolt 4 or the like. The lower surface of the box 1 is open, and the opening 5 has a cylindrical adjustment with both ends opened so as to be movable up and down so that the substantial vertical position of the opening 5 can be adjusted by operating the screw 6. A frame 7 is provided. The heat exchanger 2 has an end face having two independent working fluid passages formed as a rectangular hexahedron, and is inscribed in the box 1 by the heat exchanger frame 8 attached to the ridge. Removably assembled.

[0003] A partition plate 9 also serving as a fixing bracket is attached to each of the upper surface and the front and rear surfaces in the box 1, and the upper side and the front and rear portions of the heat exchanger frame 8 are attached to the respective partition plates 9. For the front and rear parts, screws 10
Is tightened. Therefore, the heat exchanger 2 can be removed from the box 1 by removing the screw 10.

[0004] A panel 14 having an indoor frame 13 which can be attached to and detached from the center of the vehicle is provided below the adjustment frame 7, having an indoor air outlet 11 and an indoor air inlet 12 in the front and rear directions. Panel 14
The indoor-side air outlet 11 is an outlet end of a supply air passage 15 for supplying outside air to the room, and the indoor-side air inlet 12 is an inlet end of an exhaust air passage 16 for exhausting room air to the outside of the room.
The supply air passage 15 and the exhaust air passage 16 between the panel 14 and the heat exchanger 2 are connected to a lower portion of the heat exchanger frame 8 by screws 17 in a hanging manner, and the length of the partition plate 18 is adjustable. Is isolated by The lower part of the partition plate 18 is the panel 1
4 is bent in an L-shape as a contact surface against the inner surface, and is in contact with the inner surface of the panel 14 via a cushion material. In addition,
The supply air passage 15 is a series of passages, each of which has an outdoor suction port (not shown) as an inlet end, passes through the heat exchanger 2 through the inside of the box 1, and reaches the indoor outlet 11 of the panel 14. Is formed. The exhaust air passage 16 is a series of passages from the indoor-side suction port 12 of the panel 14, passes through the inside of the box 1, passes through the heat exchanger 2, and reaches an outdoor-side air outlet (not shown). It is formed.

[0005] In the conventional ventilating device having the above-mentioned structure, the panel 14 can be fitted to the ceiling surface when it is mounted, and heat exchange and ventilation can be performed by supply and exhaust through the built-in heat exchanger 2. To adjust the ceiling of the panel 14, the inner frame 13 is removed from the panel 14, the screws 6 for tightening the adjustment frame 7 and the screws 17 for tightening the partition plate 18 are loosened, and the adjustment frame 7 together with the panel 14 is moved up or down. The panel 14 is slid in such a direction that the panel 14 fits the ceiling surface, and the screws 6 and 17 are tightened again to complete the process.
However, the adjustment frame 7 and the partition plate 18 have long holes (not shown) for adjustment, and if they are warped, air leakage occurs. After adjustment, these are closed with aluminum tape or the like.

When it is necessary to remove the heat exchanger 2 for inspection or repair, the inner frame 13 is also removed from the panel 14, and the heat exchanger frames 8 before and after the heat exchanger 2 are fastened to the partition plate 9. If the screw 10 is removed, the heat exchanger 2 can be pulled out of the box 1.

[0007]

In the conventional ventilating apparatus, since the position of the panel 14 with respect to the ceiling surface must be adjusted by adjusting the position of the adjusting frame 7 and adjusting the length of the partition plate 18, it is troublesome. Yes, the work is also a screw in a narrow place 6,1
7 involves the operation, which is difficult.

In addition, there is a problem that the operation of attaching and detaching the heat exchanger 2 is difficult, and the maintenance is difficult because the operation is troublesome. That is, to attach and detach the heat exchanger 2,
The screw 10 must be tightened or removed while supporting the heat exchanger 2. When working alone, the screw 1 is supported by the other hand while supporting the heat exchanger 2 with one hand.
Since the operation must be performed at zero, there is a danger that the heat exchanger 2 will be dropped, and there is a danger in the operation.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. The first object of the present invention is to provide a ventilator which can easily perform alignment with respect to a ceiling surface. Secondly, it is an object of the present invention to provide a ventilating device in which a heat exchanger can be easily attached and detached and maintenance is easy.

[0010]

A ventilating apparatus according to the present invention is suspended and fixed in a space above a ceiling or the like, and is capable of moving up and down in a box constituting an outer shell of a main body and an opening formed in a lower surface of the box. A cylindrical adjustment frame for adjusting a substantial position of the opening in the vertical direction; two openings formed by an inner frame and an outer frame detachably attached to the lower surface of the adjustment frame. A panel having an outside air suction port provided on one surface of the box body as an inlet end, an air supply passage having one opening of the panel as an outlet end through the box body, and another opening of the panel. An exhaust air path having an inlet end, an exhaust air outlet provided on one surface of the box through the box body as an outlet end, a blower for forming a supply flow from the inlet end to the outlet end in the supply air path, Forming an exhaust flow in the exhaust air path from its inlet end to its outlet end An air blower is incorporated in the box so as to be detachable from an opening on the lower surface, and a part of the supply air path and a part of the exhaust air path can be exchanged between supply and exhaust flows in the box. A heat exchanger, a rotatable fulcrum provided between the lower portion of the heat exchanger and the inner frame of the panel and directly attached to the lower portion of the heat exchanger so that the fulcrum can be detached and attached together by attaching and detaching the heat exchanger; It has a movable partition plate whose free end slidably abuts the upper surface of the inner frame of the panel and separates the supply air passage from the exhaust air passage in that portion.

[0011] In the ventilating apparatus according to claim 2, the heat exchanger comprises:
The end face shape in which the heat exchanger frame is fixed to the ridge portion is formed into a rectangular hexahedron, and the fixing bracket attached to each of the inner walls on both sides of the box is opposed to the heat exchanger frame in the facing ridge portion. It is mounted in the box by detachable mechanical fixing means, and one of the mechanical fixing means is provided with a non-detachable turning mechanism that makes the heat exchanger turnable in the box, and the turning mechanism is In the heat exchanger frame that is attached to and detached from the machine fixing means,
When the mechanical fixing means of the portion with the fixing metal is released, the fixing metal is automatically hooked from above and provided with a metal fitting which can be easily removed by upward displacement.

According to a third aspect of the present invention, in the ventilating apparatus according to the first aspect, the heat exchanger is formed into a hexahedron having a rectangular end face having a heat exchanger frame fixed to a ridge portion. The locking device is configured such that it can be laterally protruded and retracted in the front and rear locking devices provided on both sides of the heat exchanger frame at the opposing ridge, with respect to the lateral locking holes provided on both sides of the inner wall on both sides of the box. For the lock rod of either the front side or the rear side lock device, it is mounted inside the box body by the rod intrusion,
The locking rod of the other locking device does not rotate relative to the locking hole.

According to a fourth aspect of the present invention, there is provided the ventilator according to the second aspect, wherein the heat exchanger frame and the fixing bracket are formed with long holes which communicate with each other and are aligned with each other. The heat exchanger frame and the fixing bracket are connected to each other by a knob that can only be inserted and removed and that can be rotated with respect to the elongated hole.

[0014]

According to the first aspect of the present invention, when the position of the panel attached to the lower surface of the adjustment frame is adjusted by moving the adjustment frame provided at the lower portion of the box vertically, the lower portion of the heat exchanger in the box body is adjusted. The free end of the movable partition plate attached directly to the panel rotates vertically about the fulcrum and slides on the upper surface of the inner frame while being in contact with the upper surface of the inner frame of the panel. Therefore, the supply air path and the exhaust air path in the section are kept separated by the movable partition plate without any adjustment operation . In addition, maintenance and removal of heat exchangers
Removal can be performed simply by removing the panel.
Swell .

According to the second aspect of the present invention, the heat exchanger can be rotated by the mechanical fixing means having the rotating mechanism while the fixing bracket and the mechanical fixing means are fixed. Also,
When attaching / detaching the heat exchanger, the hook is automatically hooked on the fixing bracket, and the load of the heat exchanger is carried by the fixing bracket on one side, so it is easy to support by hand and the danger of falling of the heat exchanger Less.

According to the third aspect of the present invention, in particular, the heat exchanger can be attached and detached only by operating the locking rod of the locking device so that the locking rod can rotate relative to the locking hole. The lock rod can be rotated about the shaft without removing the heat exchanger, and the locking device on one side can be loaded with the load of the heat exchanger at the time of attachment and detachment. The danger of vessel falling is also reduced.

According to the fourth aspect of the present invention, in particular, when the heat exchanger is attached or detached, the latch is hooked on the fixture, and the load of the heat exchanger is carried by the fixture on one side. It is easy to support, the danger of falling of the heat exchanger is reduced, and the heat exchanger frame and the fixing bracket are connected by a knob that can be disengaged simply by inserting, turning, turning and removing, so it was held by the knob The screws for attaching the heat exchanger can be operated in a stable state.

[0018]

【Example】

Embodiment 1 FIG. FIG. 1 is a front view showing the entire structure of a ventilating apparatus according to one embodiment of the present invention, and FIG. 2 is a vertical sectional side view at the center of FIG. The ventilation device of this embodiment has the same basic configuration as that of the conventional device described above except for the configuration relating to the position adjustment of the panel facing the ceiling surface and the configuration relating to the ventilation function other than the configuration relating to the heat exchanger.

<Explanation of Basic Structure> In this ventilating apparatus, a heat exchanger 2 is incorporated in a box 1 constituting an outer shell of the main body, and is suspended and fixed to a space behind the ceiling 3 by an anchor bolt 4 or the like. You. The lower surface of the box 1 is open, and the opening 5 has a cylindrical adjustment with both ends opened so as to be movable up and down so that the substantial vertical position of the opening 5 can be adjusted by operating the screw 6. A frame 7 is provided. The heat exchanger 2 has an end face having two independent working fluid passages formed as a rectangular hexahedron, and is inscribed in the box 1 by the heat exchanger frame 8 attached to the ridge. Removably assembled.

That is, a partition plate 9 which is also a fixing bracket is attached to each of the upper surface and the front and rear surfaces in the box 1, and the upper side and the front and rear portions of the heat exchanger frame 8 are attached to the respective partition plates 9. The front and rear parts are mechanically fixed to the partition plate 9
It is fastened by means of a screw 10. Therefore, by removing the screw 10, the heat exchanger 2
Can be removed from.

[0021] the bottom of the adjusting frame 7 has a room-side outlet 11 and the indoor-side suction opening 12 in the front-rear, the panel 14 having an inner frame 13 that can be removably attached to the center of the outer frame 19 is detachably mounted I have. The indoor-side outlet 11 of the panel 14 is an outlet end of a supply air passage 15 for supplying outside air to the room, and the indoor-side inlet 12 is an inlet end of an exhaust air passage 16 for exhausting room air to the outside of the room. is there. The supply air passage 15 and the exhaust air passage 16 between the panel 14 and the heat exchanger 2 are provided with a movable partition plate 22 directly attached by screws 20 to a lower portion of the heat exchanger frame 8.
Is isolated by The supply air passage 15 is a series of passages, each having the outdoor-side suction port 23 as an inlet end, passing through the inside of the box 1, passing through the heat exchanger 2, and reaching the indoor-side outlet 11 of the panel 14. Is formed. Further, the exhaust air passage 16 is connected to the box 1 through the indoor-side suction port 12 of the panel 14.
An exhaust flow is formed by a blower 26 in a series of passages through the inside and through the heat exchanger 2 to the outdoor outlet 25.

<Description of Position Adjustment of Panel> As shown in FIGS. 2, 3 and 4, heat exchange between the inner surface of the inner frame 13 of the panel 14 attached to the lower surface of the adjustment frame 7 and the inside of the box 1. A movable partition plate 22 is provided between the lower portion of the vessel 2 and the air supply passage 15 and the exhaust air passage 16 in the portion. The movable partition plate 22 is screwed to a mounting plate 27 attached to the heat exchanger frame 8 at a lower ridge portion of the heat exchanger 2, and a rotatable connection portion (fulcrum) by a bush 28 toward the heat exchanger 2. 29. The front side 30 of the connecting portion 29 is formed longer than the base side 31 and its free end 32
Is obliquely in contact with the upper surface of the inner frame 13 of the panel 14 so as to be slidable. The free end 32 is formed in an arc shape that is difficult to be caught, and a resin cushion material 33 is attached.

In the ventilation device having the above-described structure, the adjusting frame 7 provided at the lower portion of the box 1 is moved in the vertical direction by operating the screw 6, and the position of the panel 14 attached to the lower surface of the adjusting frame 7 with respect to the ceiling surface is adjusted. Is performed, the box 1 follows
The free end 32 of the movable partition plate 22 attached to the lower part of the inner heat exchanger frame 8 rotates vertically at the connecting portion 29 and slides on the upper surface of the inner frame 13 while being in contact with the upper surface of the inner frame 13 of the panel 14. I do. In the state where the adjustment of the adjustment frame 7 is completed and the adjustment frame 7 is fixed by screwing, the free end 32 of the movable partition plate 22
Stabilized in a state of being pressed against the inner surface of the inner frame 13 by its own weight,
The supply air passage 15 and the exhaust air passage 16 in this portion are automatically kept separated by the movable partition plate 22. Therefore, the positioning of the panel 14 with respect to the ceiling surface is easily completed only by adjusting the position of the adjustment frame 7. Eliminating the adjustment operation of the movable partition plate 22 eliminates the necessity of the screw operation in a narrow place and the sealing operation of the screw hole with aluminum tape or the like. Be shortened.

<Description of Heat Exchanger> The heat exchanger 2 is mounted in a box 1 in an inscribed manner as shown in FIG. That is, portions of the heat exchanger frame 8 corresponding to the respective partition plates 9 provided on the upper surface and the front and rear surfaces in the box body 1 are applied, and the front portion of the heat exchanger frame 8 is hinged to the partition plate 9. is tightened and fixed by screws 10 is a machine fastening means through, for rear portion is tightened and fixed by screws 10 is a machine fastening means via a bracket 35 to the partition plate 9.

As shown in FIGS. 5 and 6, a long hole 36 communicating with and aligning with the center of the metal fitting 35 and the partition plate 9 is formed at the center thereof. The knob 37 is attached, and the metal fitting 35 and the partition plate 9 are also connected by the knob 37. The knob 37 forms a flange-shaped holding portion 38 that cannot pass through the long hole 36 at one end of a leg portion that can pass through the long hole 36, and a locking portion 39 that can pass through the long hole 36 only in one direction at the other end. Then, it is a resin molded product in which the knob portion 40 is formed integrally with the holding portion 38. Knob 3 is inserted into slot 36 and turned.
The locked state of 7 is maintained, and by rotating the locked state to the inserted state, the knob 37 can be unlocked and pulled out.

Further, as shown in FIGS. 3 and 7, a part of the heat exchanger frame 8 at the front ridge portion of the heat exchanger 2 has an edge 41 which is warped upwardly of the partition plate 9 at that portion. An angle-type latch 42 that covers directly above the head in an overhang shape is fixed by screws.

In the ventilation device having the above-described structure, cleaning or the like can be performed by rotating the heat exchanger 2 downward, or maintenance can be performed by removing the heat exchanger 2 from the box 1. When rotating the heat exchanger 2, first, the panel 14 is removed, and the screw 10 fixing the metal fitting 35 and the partition plate 9 is removed. In this state, the heat exchanger 2 is held by the knob 37 as before. Subsequently, while supporting the heat exchanger 2 from below with one hand, the knob 37 is turned to the unlocked state and pulled out. Thereafter, if the user pulls out while supporting the load of the heat exchanger 2, the heat exchanger 2 rotates around the hinge 34, and stops in a suspended state without fear of falling. In addition,
To return the heat exchanger 2 to its original state, the above procedure may be performed in reverse.

When removing the heat exchanger 2 from the box 1, first, the panel 14 is removed, and the bracket 35 and the partition plate 9 are removed.
The screw 10 which is one of the mechanical fixing means for fixing is removed. In this state, the heat exchanger 2 is held as before by the knob 37 which is also a mechanical fixing means . Next, the screw 10 fixing the hinge 34 and the partition plate 9 is removed. When the screw 10 is removed, the metal fitting 42 covering the edge 41 warped upward of the partition plate 9 is automatically attached to the edge 41 of the partition plate 9.
It is locked caught engaged in. Therefore, the heat exchanger 2 is still in a state where it does not fall. Then, heat exchanger 2 with one hand
Turn the knob 37 while unlocking it from below, and pull it out. While Thereafter support the load of the heat exchanger 2 has
Up Remove the caught to the partition plate 9 of the hanging bracket 42 may be pulled out. To return the heat exchanger 2 to the original assembled state, the above procedure may be performed in reverse. Hook 4
2 is a part of the heat exchanger frame 8 as a separate part from the heat exchanger frame 8
, So it is integrated with the heat exchanger frame 8
The configuration is simpler than in the case.

That is, when performing operations such as attaching and detaching the heat exchanger 2,
In the middle of the work, the latch 42 is hooked on the partition plate 9 and the load of the heat exchanger 2 is carried by the partition plate 9 on one side, so that it is easy to support by hand and the danger of the heat exchanger 2 falling is small. Become. In addition, since the heat exchanger frame 8 and the partition plate 9 are connected by the knob 37 which can be disengaged only by turning and removing the screw, the screw 10 for attaching the heat exchanger 2 in a stable state held by the knob 37 is held. , The heat exchanger 2 is easily supported by hand, and the danger of falling of the heat exchanger 2 is reduced. Therefore, attachment and detachment of the heat exchanger 2 is easy,
Maintenance becomes easier, and workability is also improved.

Embodiment 2 FIG. Each of FIGS. 8 to 12 shows another embodiment of the present invention. The feature of the ventilating apparatus of this embodiment is a mounting structure of the heat exchanger 2 to the box 1, and other configurations are basically the same as those of the first embodiment. The same reference numerals as in the first embodiment denote the same parts, and a description thereof will be omitted.

In the ventilation device of this embodiment, the heat exchanger 2 is removably mounted on the box 1 by two types of locking devices 43 and 44. Each of the locking devices 43 and 44 is attached to the heat exchanger frame 8, and is basically embodied based on a technical idea that makes it possible to securely attach and detach the heat exchanger 2 with a simpler operation. It is a thing.

That is, on the side of the box 1, lateral locking holes 45, 46 are respectively provided on the front and rear sides of the inner walls on both sides thereof. Locking devices 43 and 44 are respectively attached to the left and right sides of 8. As shown in FIGS. 9 and 10, the locking devices 43 on both sides on the front side each have a locking rod 47 that can be moved in and out in the laterally outward direction. These locking rods 47 are round rods, the ends of which are formed into a smooth spherical surface, and an operation section 48 protrudes from the base side. The holder 49 holding the locking rod 47 is formed with a groove for moving the operation unit and a rest for restricting the movement of the operation unit. The locking rod 47 of each locking device 43
Is configured to be able to relatively rotatably protrude into the front circular locking hole 45. Locking device 44 on both rear sides
Also, as shown in FIG. 11 and FIG. 12, a lock bar 50 is provided which is capable of protruding and retracting in a laterally outward direction. These lock bars 50 are square bars, and the operation unit 51 protrudes from the base side. The holder 52 holding the locking rod 50 is formed with a groove through which the operation unit 51 moves. Each locking device 4
The fourth locking bar 50 is configured to protrude into the rear rectangular locking hole 46 in a state where it cannot be rotated. In the drawing, reference numeral 53 denotes an elastic pad having a sealing function mounted on the partition plate 9.

In the ventilating device having the above-described structure, cleaning or the like can be performed by rotating the heat exchanger 2 downward, or maintenance can be performed by removing the heat exchanger 2 from the box 1. When rotating the heat exchanger 2, first, the panel 14 is removed, and the two locking devices 44 on the rear side are operated by the operation unit 51 while supporting the heat exchanger 2 by hand.
6. Pull out the locking rod 50 from 6 and unlock it. After that, if the user pulls out while supporting the load of the heat exchanger 2, the locking device 43 on the front side functions like a hinge, and the heat exchanger 2
At a position where the stopper 54 with a cushion attached to the side or the box 1 side comes into contact, the suspension is stopped without fear of dropping and stopped. The stopper 54 prevents the rotationally displaced heat exchanger 2 from hitting the louver 55 of the indoor-side outlet 11. To return the heat exchanger 2 to its original state, the above procedure may be performed in reverse. At this time, the elastic pad 53
Are locked in a compressed state. Therefore, the elastic pad 5
The elastic return force of 3 is applied to the locking rod 50 and the heat exchanger 2 side, and the heat exchanger 2 is mounted in a stable state without rattling and withdrawal.

When removing the heat exchanger 2 from the box 1, the panel 14 is first removed, and all the front and rear locking devices 44 and 43 are sequentially unlocked while holding the heat exchanger 2 by hand. What is necessary is just to extract the exchanger 2. To return the heat exchanger 2 to the original assembled state, the above procedure may be performed in reverse. At this time, the elastic pad 53 is locked in a compressed state. Therefore, the elastic restoring force of the elastic pad 53 is applied to the locking rods 47 and 50 and the heat exchanger 2 side, and the heat exchanger 2 is mounted in a stable state without rattling. Therefore, with this ventilator, the attachment and detachment of the heat exchanger 2 can be performed easily and very easily without screw operation in a narrow place, and the mounting state of the heat exchanger 2 is stable, and maintenance can be easily performed. it can.

In this embodiment, a sled-shaped sliding piece 57 is attached to the free end 32 of the movable partition plate 22 ahead of the connecting portion 29 with an elastic pressing member 56 interposed therebetween to improve the close contact. The sliding piece 57 is obliquely in contact with the upper surface of the inner frame 13 of the panel. In addition, a handle 58 that facilitates holding the heat exchanger 2 when the heat exchanger 2 is attached or detached or rotated is attached to the base side 31 of the movable partition plate 22.

[0036]

As is apparent from the above description of the embodiment, according to the first aspect of the present invention, the isolation between the supply air passage and the exhaust air passage corresponding to the variation can be adjusted only by adjusting the position of the adjustment frame. The operation is automatically performed by the movable partition plate without any operation, and the adjustment work with the ceiling surface is easy and simple. In addition, the movable partition plate
Since it is attached to the exchanger, the partition to this part
No material is required, airtightness is easily maintained, and the heat exchanger
Easy maintenance and removal by simply removing the panel
can do.

According to the second aspect of the present invention, in particular, when the heat exchanger is attached or detached, the hook is automatically attached to the fixing bracket on the box side.
It can be easily detached and stopped, and the load of the heat exchanger will be carried by the fixing bracket on one side, and it is easy to carry out because it is easy to support by hand, and there is almost no danger of falling of the heat exchanger, maintenance Ru can be easily implemented.

According to the third aspect of the present invention, the heat exchanger can be attached and detached only by operating the locking rod of the locking device.
By locking the one that can rotate relative to the locking hole,
Without removing the heat exchanger, the locking rod can be rotated about a shaft. That is, the heat exchanger can be attached and detached easily without troublesome screw operation in a narrow place, and maintenance becomes easy. In addition, when the heat exchanger is attached or detached, the locking device on one side can bear the load of the heat exchanger, so that the heat exchanger can be easily supported by hand, and the danger of falling of the heat exchanger can be reduced. .

According to the fourth aspect of the present invention, in particular, when the heat exchanger is attached or detached, the latch is hooked on the fixture on the side of the box, and the load of the heat exchanger is carried by the fixture on one side. It is easy to support by hand, the danger of falling of the heat exchanger is reduced, and the heat exchanger frame and the fixing bracket are connected by a knob that can be disengaged with just a simple operation of inserting, turning, turning and removing. Therefore, the screw for attaching the heat exchanger can be operated in a stable state held by the knob, so that workability is improved and maintenance can be easily performed.

[Brief description of the drawings]

FIG. 1 is an overall front view of a ventilation device according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional side view at the center of the ventilation device of FIG. 1;

FIG. 3 is an enlarged perspective view of a heat exchanger part of the ventilation device according to the embodiment of the present invention.

FIG. 4 is an exploded perspective view showing a movable partition plate of the ventilation device according to the embodiment of the present invention.

FIG. 5 is an enlarged perspective view of a portion where the heat exchanger of the ventilation device according to the embodiment of the present invention is mounted.

FIG. 6 is an enlarged perspective view showing a configuration around a knob in FIG. 5;

FIG. 7 is a side view of a mounting portion of the heat exchanger of the ventilation device according to the embodiment of the present invention.

FIG. 8 is a longitudinal sectional side view of a ventilating apparatus showing another embodiment of the present invention.

FIG. 9 is a perspective view showing the heat exchanger of the ventilation device of FIG. 9 alone;

FIG. 10 is a perspective view of a locking device of the ventilation device according to the embodiment of the present invention.

FIG. 11 is a perspective view showing a heat exchanger of the ventilation device according to the embodiment of the present invention.

FIG. 12 is a perspective view of a locking device of the ventilation device according to the embodiment of the present invention.

FIG. 13 is a vertical side view of a conventional ventilation device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Box 2 Heat exchanger 5 Opening 7 Adjustment frame 8 Heat exchanger frame 9 Partition plate 10 Screw 11 Indoor side air outlet 12 Indoor side air inlet 13 Inner frame 14 Panel 15 Supply air path 16 Exhaust air path 19 Outer frame 22 Movable partition plate 24 Blower 26 Blower 29 Connecting part 32 Free end 36 Long hole 37 Knob 42 Latch 43 Locking device 44 Locking device 45 Locking hole 46 Locking hole 47 Locking bar 50 Locking bar

Claims (4)

(57) [Claims] 1. A box which is suspended and fixed in a space above a ceiling and constitutes an outer shell of the main body, and is provided in an opening formed on a lower surface of the box so as to be vertically movable, and a substantial position of the opening is provided. A cylindrical adjustment frame for adjusting the vertical direction, a panel having two openings formed by an inner frame and an outer frame detachably attached to the lower surface of the adjustment frame, provided on one surface of the box body. The outside air suction port is used as an inlet end, the air supply air path having one opening of the panel as an outlet end through the inside of the box, the other opening of the panel as an inlet end, and the inside of the box through the inside of the box. An exhaust air passage having an exhaust air outlet provided on one surface as an outlet end, a blower for forming a supply air flow from the inlet end to the outlet end in the supply air passage, and a blower from the inlet end to the outlet end in the exhaust air passage A blower that forms an exhaust flow, inside the box,
A heat exchanger that is incorporated so as to be detachable from an opening on the lower surface and configured to allow heat exchange between supply and exhaust flows in a part of the supply air passage and the exhaust air passage in the box body; A rotatable fulcrum is provided between the lower part of the heat exchanger and the inner frame of the panel, and is directly attached to the lower part of the heat exchanger so that the heat exchanger can be detached and attached together. A ventilation device comprising a movable partition plate slidably in contact with an upper surface of an inner frame and separating a supply air passage and an exhaust air passage in the portion. 2. A heat exchanger, wherein a heat exchanger frame is fixed to a ridge corner portion, the end face is formed into a hexahedron having a rectangular shape, and opposed to fixing brackets attached to both inner walls of both sides of the box. A non-detachable rotating mechanism that is mounted in the box body by detachable mechanical fixing means for the heat exchanger frame at the ridge corner, and one of the mechanical fixing means is a non-detachable rotating mechanism that allows the heat exchanger to rotate inside the box body. The heat exchanger frame, which is detachably attached to the mechanical fixing means having the rotating mechanism, automatically locks the fixing metal from above when the mechanical fixing means with the fixing metal of the part is released. The ventilation device according to claim 1, further comprising a latch which can be easily removed by upward displacement. 3. The heat exchanger is formed in a hexahedron having a rectangular end face with a heat exchanger frame fixed at a corner portion, and has lateral locking holes provided before and after both inner walls on both sides of the box. On the other hand, it is mounted in the box body by the intrusion of a locking rod configured to be able to protrude and retract in the lateral direction in the front and rear locking devices provided on both sides of the heat exchanger frame at the opposing edge portion, and either the front side or the rear side is mounted. The locking rod of one of the locking devices is configured to be rotatable relative to the locking hole, and the locking bar of the other locking device is configured not to rotate relative to the locking hole. A ventilator according to claim 1. 4. The heat exchanger frame and the fixing bracket are formed with elongated holes which communicate with each other and are aligned with each other, and can be inserted and removed only in a direction along the aligned elongated holes. The ventilator according to claim 2, wherein the heat exchanger frame and the fixing bracket are connected by a knob that can be used.