JP2563706B2 - Ventilation fan - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan mounted in an opening of a vertical wall for discharging dirty air and humidity inside a room to the outside.

[0002]

2. Description of the Related Art Conventionally, this type of ventilation fan is generally shown in FIG.
The configuration was as shown in FIG. That is, the main body frame 1 installed in the opening 103 of the vertical wall 102
01 has a suction port 104 in the front part and a discharge port 105 in the rear part, and is provided with a flange part 106 extending outward at the front end part. The flange 106 is provided with a plurality of mounting holes 107. Further, inside the main body frame 101, an electric motor 109 having blades 108 fixed thereto is provided. Further, a wind pressure type shutter 111, which is supported by the support portion 110 and which opens and closes the discharge port 105, is provided at the rear portion of the main body frame 101. Further, a makeup grill 112 is detachably attached to the front portion of the main body frame 101 so as to cover the suction port 104.

When installing the ventilation fan constructed as described above, first, the makeup grill 112 is removed from the main body frame 101 in advance, the main body frame 101 is inserted into the opening 103, and the wood screw 113 is inserted from the mounting hole 107. It is fixed to the wooden frame 114 by, for example, and then the makeup grill 112 is attached again to complete the process.

[0004]

By the way, the wall surface 116 on the side of the room 115 such as a bathroom or kitchen has a tile 117 or the like attached to the surface in consideration of the environment of the room such as waterproofness and oil resistance. In many cases, the tile 117 is attached even to the front surface of the wooden frame 114. In such a case,
In the conventional ventilation fan configuration described above, when the ventilation fan is installed in the opening 103, the tiles 1 are adjusted according to the pitch of the mounting holes 107.
Although it is unavoidable to form the hole 108a in the hole 17, there is a problem in that the work is extremely difficult and time-consuming because it must be performed especially at a high place.

The present invention solves the above-mentioned problems. Even if a tile is attached to the front of the wooden frame, a ventilation fan that can easily fix the main body frame to the wooden frame without making holes in the tile is provided. The purpose is to provide.

[0006]

In order to achieve the above object, the ventilating fan of the present invention has a first means, which is a main body frame provided with an electric motor inserted in an opening of a vertical wall and having blades fixed therein. A guide groove is provided in the front-rear direction on the outer peripheral part of the guide groove, and the guide groove is made of a plate material having spring properties

[0007]

[Outside 2]

A mounting bracket having a shape is provided so as to be movable in the front-rear direction by inserting front leg portions and rear leg portions on two opposite sides thereof.
The ventilation fan is provided with an operation bolt that bends the horizontal portion between the front and rear legs of the mounting bracket outward by rotating from the indoor side surface of the main body frame.

A second means is a structure in which a hole through which the operation bolt is passed is provided in the front leg portion of the mounting member, and a screw portion which is screwed into the operation bolt is provided in the rear leg portion.

The third means is such that the tip of the operating bolt is brought into contact with the front leg of the mounting member, and the guide groove is provided with a rear movement preventing portion of the rear leg.

The fourth means is such that a hole is formed in the horizontal portion of the mounting member and locking claws protruding outward are provided on both sides of this hole.

A fifth means is such that a locking claw protruding outward is provided on the horizontal portion only when the horizontal portion of the fitting is curved.

The sixth means is a structure in which a rib having a through hole for an operating bolt is provided in the guide groove in front of the rear leg of the fitting.

A seventh means is to provide an interval holding portion for positioning the mounting bracket at a distance from the indoor side surface of the main body frame by inserting the operation bolt into the guide groove and abutting the front leg of the mounting bracket. It has a different structure.

[0015]

According to the present invention, when the main body frame is fixed, the main body frame is inserted through the opening of the wall surface and the operation bolt is rotated from the indoor side surface of the main body frame to fix the main body frame. The horizontal portion is curved outward, and the main body frame can be fixed to the wooden frame by its elastic force.

Further, according to the structure of the second means, when the operation bolt is rotated in the direction in which the rear leg of the mounting bracket is pulled forward, the horizontal portion of the mounting bracket is curved outward, and its elastic force causes the main body frame. Can be fixed to the wooden frame, and the head portion of the operation bolt remains in the state of being positioned at the front portion of the main body frame and does not project forward, so that space can be effectively utilized.

Further, according to the structure of the third means, when the operation bolt is rotated, the tip of the operation bolt pushes the front leg of the fitting to move it backward, the horizontal portion of the fitting bends, and the elastic force causes the main body frame to come into contact with the wood. In addition to being fixed to the frame, the head of the operation bolt moves rearward, that is, to the inside surface of the main body frame according to the amount of movement of the front leg of the mounting bracket, and the amount of movement completes the rotation operation of the operation bolt. The position can be clearly confirmed.

Further, according to the structure of the fourth means, when the horizontal portion of the mounting member is curved outward, the hole formed in the horizontal portion can make it easier to bend outward and at the same time The locking claws at both ends bite into the wooden frame, and the main body frame can be reliably fixed to the wooden frame.

Further, according to the structure of the fifth means, the horizontal portion of the mounting member is curved outward, and at the same time, the locking claw projects outward, and the locking claw bites into the wooden frame to securely secure the main body frame. Since it can be fixed to the wooden frame, the locking claws do not project outward before installing the ventilation fan,
It is possible to prevent a finger or the like from coming into contact with the locking claw, so that the construction work can be performed safely.

Further, according to the structure of the sixth means, when the operation bolt is rotated, the operation bolt passes through the through hole of the rib, so that the operation can be performed smoothly without rising, and the rear leg portion is unnecessarily excessive. It is possible to prevent the ribs from moving forward and prevent the body frame from being deformed due to an abnormal elastic force applied to the body frame.

Further, according to the structure of the seventh means, when the horizontal portion of the mounting member is curved outward and the main body frame is fixed by its elastic force, there is a space between the wooden frame and the indoor side wall surface. In addition, since the front legs of the mounting bracket are positioned at a distance from the indoor side surface of the main body frame by the gap holding part, the horizontal part of the mounting bracket is always brought into contact with the wooden frame to ensure that the main body frame does not come into contact with the wooden frame. Can be fixed to the frame.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS.
This will be described with reference to FIG.

As shown in the figure, the main body frame 1 inserted and installed in the opening 3 of the vertical wall 2 has a suction port 4 in the front part and a discharge port 5 in the rear part, and a blade 6 is fixed inside thereof. The electric motor 7 is provided. A guide groove 8 is provided in the front-rear direction on the outer peripheral portion of the top surface of the main body frame 1, and the guide groove 8 is made of a plate material having a spring property.

[0024]

[Outside 3]

A shaped mounting member 9 is provided so as to be movable in the front-rear direction by inserting the front leg portion 10 and the rear leg portion 11 on the two opposite sides thereof. Further, the operation bolt 12 is inserted into the guide groove 8 through the operation bolt hole 15 provided on the upper portion of the indoor side surface of the main body frame 1, and the mounting bracket 9
Through the hole 13 of the front leg portion 10, and the front end portion is screwed into the screw portion 14 provided on the rear leg portion 11. The mounting bracket 9
The head 24 is located near the front of the inner surface of the body frame 1. Further, the discharge port 5 is supported by a supporting portion 16 and rotatably opens and closes the discharge port 5 by a wind pressure type shutter 1.
7 are provided. A makeup grill 18 is detachably provided on the indoor side surface of the main body frame 1 so as to cover the suction port 4.

The ventilation fan constructed as described above is provided with a wooden frame 19
When the tile 20 is to be installed in the opening portion 3 attached to the front of the body, the makeup grill 18 is first removed from the main body frame 1 in advance, and the main body frame 1 is opened.
The operation bolt 12 on the inner surface of the body frame 1
When the head portion 24 of the mounting bracket 9 is rotated, the front leg portion 10 of the mounting bracket 9 stops moving forward at a predetermined position, but the rear leg portion 11
It moves forward in the guide groove 8 and accordingly the horizontal portion 22
Bends outward and its top abuts the inner peripheral surface of the wooden frame 19,
The body frame 1 is fixed to the wooden frame 19 by the elastic force of the mounting bracket 9. Then, the makeup grill 18 is again attached to the indoor side surface of the main body frame 1 to complete the process.

As described above, according to the ventilation fan of the first embodiment of the present invention, the main body frame 1 can be fixed to the wooden frame 19 without performing a difficult work such as making a hole in the tile 20.

Since the operating bolt 12 is rotated without moving in the front-rear direction, its head portion 24 is located at a fixed position near the front side of the main body frame 1 on the indoor side.
Does not project forward. Therefore, the makeup grill 18 can be thinned accordingly.

As described above, according to the ventilation fan of the first embodiment of the present invention, the head portion 24 of the operation bolt 12 has the body frame 1
Since it does not largely project to the front of the, the makeup grill 18 can be made thin, and the interior quality can be improved.

Next, the second embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. The same components as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

In contrast to the first embodiment, this embodiment is provided with a screw portion 14a to be screwed with the operation bolt 12a on the upper portion of the inner side surface of the main body frame 1a, and in the guide groove 8a,
A rear movement blocking portion 25 of the rear leg portion 11a of the mounting bracket 9a having a width narrowed from the rear portion to the rear portion of the central portion is provided, and the tip of the operation bolt 12a is attached to the front leg portion 1 of the mounting bracket 9a.
It is characterized in that it is brought into contact with 0a.

Regarding the construction of the ventilation fan in the above configuration,
This will be described below. Insert the body frame 1a into the opening 3,
From the front side of the indoor side of the body frame 1a, the operation bolt 12a
When the screw is screwed backward, the rear leg portion 11a comes into contact with the rear movement preventing portion 25 and the front leg portion 10a of the mounting bracket 9a, which is prevented from moving rearward, is pushed by the tip of the operation bolt 12a to move rearward. To do. With the movement, the horizontal portion 22a bends outward, and the elastic force of the horizontal portion 22a causes the main body frame 1 to move.
a is fixed to the wooden frame 19.

As described above, according to the ventilation fan of the second embodiment of the present invention, the head portion 24a of the operation bolt 12a is attached to the mounting member 9
According to the amount of movement of the front leg portion 10a of a, the body frame 1a
Since the operation completion position of the operation bolt 12a can be clearly confirmed by moving from the front to the rear in the vicinity of the indoor side surface of the, the amount of bending of the horizontal portion 22a of the mounting bracket 9a is insufficient, If the frame 1a is not fixed to the wooden frame or the curve is too large, the main frame 1a
It is possible to prevent the abnormal force from being deformed, and the ventilation fan can be fixed to the wooden frame 19 by an appropriate elastic force.

Next, the third embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG.

The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, this embodiment is different from the first embodiment in that a hole 26 is formed in the horizontal portion 22b of the mounting member 9b, and locking claws 27 projecting upward are formed on both sides of this hole 26. The point is that it is provided.

The construction of the ventilation fan having the above structure will be described below. When the head 24 of the operation bolt 12 is rotated to pull the rear leg 10 of the mounting bracket 9b,
The hole 26 formed in the horizontal part 22b of the horizontal part 2b
2b is easily bent upward, and the locking claws 27 provided on both sides of the hole 26 bite into the wooden frame 19 to fix the main body frame 1 to the wooden frame 19.

As described above, according to the ventilation fan of the third embodiment of the present invention, the main body frame 1 can be fixed to the wooden frame 19 more easily and reliably.

Next, a fourth embodiment of the present invention will be described with reference to FIG.
The description will be made with reference to FIG.

The same components as those in the third embodiment are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 10, two notches are formed in the longitudinal direction of the horizontal portion 22c of the mounting member 9c, and one end of each notch is joined so as to draw an acute-angled shape. .

Then, when the head portion 24 of the operation bolt 12 is rotated to bend the horizontal portion 22c of the mounting member 9c upward, the notched inner portion rises upward with a substantially flat shape. The tip becomes a sharp locking claw 27a, which bites into the wooden frame 19 to move the main body frame 1 into the wooden frame 19
Can be fixed to. In addition, as described above, the locking claws 27a are located on the same plane as the horizontal portion 22c before the main body frame 1 is inserted into the wooden frame 19, that is, when the ventilation fan is a single body, so the locking claws 27a should be projected upward. First, it is possible to prevent a finger or the like from being caught and injured.

As described above, according to the ventilation fan of the fourth embodiment of the present invention, the main body frame 1 can be more securely fixed to the wooden frame 19, and the work can be performed safely.

Next, a fifth embodiment of the present invention will be described with reference to FIG.
1 and FIG. 12 will be described.

The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, this embodiment is different from the above-mentioned first embodiment in that the operation bolt 1 is provided in front of the rear leg 11 of the fitting 9 in the guide groove 8b provided on the outer periphery of the top surface of the body frame 1b.
It is characterized in that provided Li Bed 29 having a second through-hole 28.

The operation of the operation bolt 1
By rotating the head 24 of No. 2, the rear leg 11 of the mounting bracket 9
Is moved forward, the horizontal portion 22 is bent outward, and the main body frame 1b is fixed to the wooden frame 19 by its elastic force.
At this time, the ribs 29 prevent the rear leg 11 from moving forward from a predetermined position in order to prevent the body frame 1b from being deformed by an abnormal elastic force by bending the horizontal portion 22 more than necessary. To do.

Thus, according to the fifth embodiment of the present invention,
The body frame 1b can be fixed to the wooden frame 19 with an appropriate holding force without deforming the body frame 1b.

Next, a sixth embodiment of the present invention will be described with reference to FIG.
Description will be made with reference to FIGS.

The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in the figure, the guide groove 8c of the main body frame 1c is provided with an interval holding portion 30 formed by narrowing its width from the front end portion to a certain rear position.

In the construction of the ventilation fan having the above structure, the horizontal portion 22 of the mounting member 9 is curved upward and the main body frame 1c is fixed to the wooden frame 19 by its elastic force, as in the above-mentioned embodiments. At that time, the tile 2 on the side wall of the wooden frame 19 and the interior 21
Even if there is a space Z due to a mortar wall or the like with respect to 0, the mounting bracket 9 is prevented from moving forward of the front leg part 10 by the space holding part 30, and is positioned at a distance from the indoor side surface of the main body frame 1c. Therefore, even if there is a space Z between the wooden frame 19 and the tile 20, the curved top of the horizontal portion 22 of the mounting member 9 can always be positioned on the wooden frame 19.

Thus, according to the sixth embodiment of the present invention,
Even if there is a space between the wooden frame 19 and the tile 20 on the side wall surface of the room 21, the main body frame 1c can be reliably fixed to the wooden frame 19.

[0054]

As is apparent from the above embodiments, according to the present invention, even if tiles are attached to the front surface of the wooden frame,
By rotating the operation bolt from the indoor side surface of the body frame, the horizontal part is bent outward.

[0055]

[Outside 4]

Since the shape of the mounting bracket is provided, it is possible to provide a ventilation fan which is effective in fixing the main body frame to the wooden frame without performing a difficult work such as making a hole in the tile.

Further, since the front leg portion of the mounting bracket has a hole through which the operation bolt penetrates and the rear leg portion has a screw portion which is screwed into the operation bolt, the head portion of the operation bolt moves forward during rotation. Since it does not project, the makeup grill can be made thinner and the interior can be improved.

Further, since the front end of the operation bolt is brought into contact with the front leg of the mounting member and the backward movement preventing portion of the rear leg is provided in the guide groove, the head of the operation bolt moves forward and backward at the front of the main body frame. The operation completion position can be clearly confirmed by the amount of movement, the amount of bending of the horizontal portion of the mounting metal fitting is sufficient, and the ventilation fan can be held in the wooden frame by an appropriate elastic force.

Further, since a hole is formed in the horizontal portion of the mounting member and locking claws protruding outward are provided at both ends of this hole, the main body frame can be securely fixed to the wooden frame.

Also, since the locking claws protruding outward are provided only when the horizontal portion of the mounting bracket is curved, the main body frame can be securely fixed to the wooden frame and the work can be performed safely. It can be carried out.

Further, since the rib having the through hole for the operation bolt is provided in the guide groove in front of the rear leg of the attachment fitting, the operation bolt is rotated more than necessary and the attachment fitting is bent too much to cause abnormalities in the body frame. The main body frame can be securely fixed to the wooden frame without applying force and deforming.

Even when there is a space between the tile and the wooden frame due to the mortar wall or the like, since the space holding portion for positioning the mounting bracket is provided behind the indoor side surface of the main body frame, the space holding portion is always provided. It is possible to position the curve of the mounting bracket on the wooden frame and securely fix the main body frame to the wooden frame.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a ventilation fan according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a main body frame of the ventilation fan.

FIG. 3 is a perspective view of a mounting bracket of the ventilation fan.

FIG. 4 is a side sectional view of the ventilation fan of the second embodiment.

FIG. 5 is a perspective view of a body frame of the ventilation fan.

FIG. 6 is a perspective view of a mounting bracket of the ventilation fan.

FIG. 7 is a side sectional view of the ventilation fan of the third embodiment.

FIG. 8 is a perspective view of a mounting bracket of the ventilation fan.

FIG. 9 is a side sectional view of the ventilation fan of the fourth embodiment.

FIG. 10 is a perspective view of a mounting bracket of the ventilation fan.

FIG. 11 is a side sectional view of the ventilation fan of the fifth embodiment.

FIG. 12 is a perspective view of a main body frame of the ventilation fan.

FIG. 13 is a side sectional view of the ventilation fan of the sixth embodiment.

FIG. 14 is a perspective view of a main body frame of the ventilation fan.

FIG. 15 is a side sectional view of a conventional ventilation fan.

FIG. 16 is a front view of the same.

[Explanation of symbols]

 1 main body frame 1a main body frame 1b main body frame 1c main body frame 2 vertical wall 3 opening 6 blade 7 electric motor 8 guide groove 8a guide groove 8b guide groove 8c guide groove 9 mounting bracket 9a mounting bracket 9b mounting bracket 9c mounting bracket 10 front leg 10a Part 11 Rear leg part 11a Rear leg part 12 Operation bolt 12a Operation bolt 13 Hole 26 Hole 14 Screw part 22 Horizontal part 22a Horizontal part 22b Horizontal part 22c Horizontal part 25 Rear movement blocking part 27 Locking claw 27a Locking claw 28 Through hole 29 Rib 30 Spacing part

Claims (7)

(57) [Claims] 1. An outer peripheral portion of a main body frame provided with an electric motor inserted and arranged in an opening of a vertical wall and having blades fixed therein,
A guide groove is provided in the front-rear direction, and a mounting metal fitting of [External 1] shape made of a plate material having spring properties is inserted in the guide groove in the front-rear direction by inserting the front leg part and the rear leg part of the two opposite sides. A ventilation fan provided movably and provided with an operation bolt for bending the horizontal portion between the front and rear legs of the mounting member outward by rotating from the indoor side surface of the main body frame. 2. The ventilation fan according to claim 1, wherein a hole through which the operation bolt penetrates is provided in a front leg portion of the mounting bracket, and a screw portion which is screwed with the operation bolt is provided in the rear leg portion. 3. The ventilation fan according to claim 1, wherein the tip of the operation bolt is brought into contact with the front leg of the mounting member, and the rear groove of the rear leg is provided in the guide groove. 4. A hole is formed in a horizontal portion of the mounting member, and locking claws protruding outward are provided on both sides of the hole.
Or the ventilation fan described in 3. 5. Only when the horizontal portion of the mounting bracket is curved,
The locking claw protruding outward is provided on the horizontal portion.
The ventilation fan described in 2 or 3. 6. The ventilation fan according to claim 1, wherein a rib having a through hole for an operation bolt is provided in front of the rear leg of the fitting in the guide groove. 7. The guide groove is provided with an interval holding portion for inserting the operation bolt and abutting the front leg portion of the mounting bracket to position the mounting bracket at a distance from the indoor side surface of the main body frame. Ventilation fan according to 2, 4, or 5.