JPS5885039A - Ventilating fan for duct - Google Patents

Abstract

PURPOSE:To enable to effect the attaching work of an exhaust pipe from inside of a room and facilitate the maintenance and inspection by a method wherein a lid, to which the exhaust pipe is attached, is attached movably from the inside to an outer box accommodating the fan and the exhaust pipe is enabled to be secured in a sandwitched manner to the outer box by screwing the lid. CONSTITUTION:The ventilating fan is constituted by a method wherein the fan 7 is attached to the inside of the outer box 1, the lid having a suction port 28 is secured to an adaptor 26 provided at the opening side of the outer box 1 and a decoration frame 30 attached through a fitting 31 for securing is secured to the lower part of the lid. The outer box 1 is formed with an exhaust port 11, consisting of a square hole 9 and a round hole 10, at one side of the top thereof while a seal member 12 is attached to the inside of the round hole 10. Long holes 15, 15 are formed at the outside of the square hole 9 so as to be engageable with circular tongues 23, 23 of the lid 14, to which another seal member 20 is adhered from the inside thereof and the exhaust pipe is attached. In case the exhaust pipe 37 is attached, the pipe 37 is arranged on the exhaust port 11, thereafter, it is covered by the attaching lid 14 and is secured at the free end side thereof from the inside of the room by screws 25.

Description

DETAILED DESCRIPTION OF THE INVENTION 1) Technical Field of the Invention The present invention relates to a duct ventilation fan that is attached to a ceiling and ventilates indoor air.

2) Conventional technology Traditionally, duct ventilation fans are installed on the back side of the ceiling through an opening formed in the ceiling for ventilation with a vent on the side.

A structure in which only the decorative panel is exposed to the interior axis is common.
A configuration is provided in which an exhaust pipe is connected in the above ceiling to the exhaust port provided on the side of the outer box, so that the indoor air is exhausted to the outside through the ventilation fan and exhaust pipe. There is. However, in this case, the work to install the ventilation layer outer box must be done from the indoor side through the opening in the ceiling, and then the connection work between the exhaust pipe and the exhaust port of the ventilation layer outer box [must be done in the ceiling, and generally the installation and Removal work was troublesome, and maintenance and inspection were also difficult. In particular, in the current state of housing construction where the space (height) under the attic is becoming extremely narrow as a recent trend in housing design, piping in the attic is installed first, and ventilation fans for the ducts are installed at the end of the construction. f? As the technology continues to grow, the above-mentioned drawbacks are becoming more and more of a problem.

3) Purpose of the Invention The present invention has been made with attention to the above points, and the exhaust pipe is mounted between an exhaust port provided in the outer box and an exhaust pipe mounting cover that can be operated from the outside to the inside. Fix and connect the exhaust port and exhaust pipe [
A) Embodiment of the Invention First of all, please refer to FIGS. 1 to 4 for a first embodiment of the present invention. I will explain. 1F in Figure s1 and Figure 2
(i) Consisting of an outer box having an opening on the bottom surface, the four sides of the lower part are bent outward at 90 degrees to form a mounting portion 3 having a mounting hole 2. Approximately in the center of the top of the outer box 1 is a hole 5 for housing the motor 4, and the motor 4. A fan device 7 consisting of a fan 6 is attached with screws 8.

A rectangular square hole 9 reaching the viewing surface is formed on the right side of the top as shown in FIG. 10, and these square holes 9 and round holes 10 form an exhaust port 11. Further, a V- member 12 is installed inside the round hole 10, and an exhaust pipe, which will be described later, is placed therein. 9 near the right side of the middle part of the square hole 9
[On both sides] Opposing position regulating pieces parallel to the side surfaces 1!1.
15 stands out. On the outside of the round square hole 9, an exhaust pipe mounting lid 14, which will be described later, is mounted on one end [1j], and the other side is a substantially "two"-shaped elongated hole 15, 15'f that is pivoted, and the other side is &:Fi. It has mounting holes 16° and 16 which are used when fixing the ends. In addition, on the outer surface of the top of the outer box 1, there is a long hole 1 on the outer periphery of the square hole 9.
5. A hole corresponding to the mounting hole 16 [Sea μ member 17]
It is attached, exhaust port 11, V-~members 12 and 171
The position regulating piece 13 constitutes an exhaust pipe mounting seat 18.

As shown in FIG. 3, the exhaust pipe attachment 1114 has a substantially semicircular body portion 19 having approximately the same diameter as the round hole 10 on the outer 111, and one end in the longitudinal direction of this body portion 19 (left side in FIG. 3). ) is closed, the other end is open, and a V-μ member 20 is stuck inside the open end. One radial end of the assembled body 19 is bent at a substantially right angle to form a mounting portion 22 having a mounting screw hole 21, and the other end is a tongue piece 2 corresponding to the elongated hole 15! I and the long hole 1 in the installed state as shown in FIG.
5.15 and is formed into a circular shape. Therefore, the exhaust pipe attachment cover 14 is not separated from the outside 111 and is attached so as to be movable around the tongue piece 23. Mototomo torso 1
A ninth knob 24 for rotating the exhaust pipe attachment cover 14 is provided on the inside of the exhaust pipe 9, near the tongue piece 25p.

The fast-moving exhaust pipe is placed on the exhaust pipe mounting seat 18, and the exhaust pipe mounting cover 14 is rotated to cover the exhaust pipe, and the screw 25 is attached to the mounting portion 22 of the exhaust pipe mounting 11'.
By tightening the exhaust pipe, the exhaust pipe is sandwiched airtight.

★9. As shown in Figure 1, inside the lower opening of the outer 1111, there are a
m are attached to form a lid mounting portion 26. Reference numeral 27 denotes a lid having an intake port 28f corresponding to the fan device 6, and is attached to the mounting portion 26 of the outer I11 with screws 29.

! sO is a plurality of intake holes attached to cover the bottom opening of the outer I11! With a decorative frame having i0a, (2
) is attached to the fixed fitting 31 with screws 32. An opening corresponding to the outside VA1 formed in the 53Fi ceiling 34, a 35Fi beam, 36 a mounting screw, and 37 an exhaust pipe arranged horizontally in the ceiling.

Next, the operation of the above configuration will be explained.

As explained above, by the time the ventilation fan is installed, the installation work of the plumber's half-pressed exhaust pipe 37 in the ceiling has already been completed. Prior to installing the ventilation fan, remove the decorative frame 30 and the lid 27, rotate the exhaust pipe mounting W114 by approximately 90'' relative to the mounting position, and place it in the position indicated by the dashed line in FIG. Align the exhaust pipe 37 and the exhaust pipe mounting seat 18 while inserting the outer s1 into the mounting screw 3.
6. Attach to the ceiling. At this time, the exhaust pipe 37II'i
The insertion length is regulated by the insertion regulating piece 13. After that, hold the knob 24 and rotate the exhaust pipe mounting cover 14 to remove the exhaust pipe 5.
Attachment part 22 of exhaust pipe attachment cover 14 by covering 7 with screw 25.
and clamp the exhaust pipe 37 vA'ii! do.

Next, the ventilation fan installation work is completed by attaching the lid body 27 and decorative frame 30 that were removed earlier. 1. When removing the companion ventilation fan for maintenance, inspection, etc., the steps can be performed in the reverse order.

According to the above embodiment, the piping work in the attic and the installation work of the ventilation fan can be carried out in separate steps, which shortens the construction period.In addition, the exhaust pipe 37 and the ventilation fan can be connected from inside the room, and the exhaust pipe 37 can be connected to the ventilation fan from the inside. Since the mounting cover 14 is formed so as to be inseparable from the external part 1i1, there is no fear that it will be separated or lost during the installation work, and one piece of construction work in the ceiling can be reduced. Furthermore, the exhaust pipe S
Since the length of the exhaust pipe S7 that protrudes into the ventilation layer is determined by the lid regulating piece 15, there is no risk that the exhaust pipe S7 will abnormally protrude into the ventilation layer and disrupt the airflow, causing performance fluctuations, and the exhaust pipe S7 will always be uniform. performance can be maintained.

5) Modifications of the Invention Other embodiments will be described below, with the same parts as in the previous embodiment being denoted by the same reference numerals and explanations will be omitted. Figure 5
FIG. 7 shows a second embodiment of the present invention, in which one side of the outer box 1 opposite to the round hole 10 of the top corner hole 9 shown in FIG. 6 is bent inward by 90 degrees. 38t- is formed, and this mounting piece 38 has a hole 39 in the center and a screw hole 4o near the end.
have. A V-ru member 17e is placed inside the outer box 1 along the periphery of the square hole 9, and an exhaust pipe 57 is placed inside the round hole 1o.
The corresponding V- member 12 is attached.

As shown in FIG. 7, the exhaust pipe mounting lid 14 has a body 19 formed in a circular shape, and in its cross section, the L) angle is approximately 18 mm larger than 18 mm, and one longitudinal end is closed, and the other end is rounded. The sea μ corresponding to the exhaust pipe s7 is open and on the inner shoulder surface of this open end.
The member 20 is pasted.

A hole 14b corresponding to the screw hole 40 of the mounting piece 38 is provided near the hole 14 in the circular center of the closed end surface of the nine body portion 19. The pivot 41 is fitted into the hole 14m and fixed to the hole 39 at the center of the mounting piece 38, and the exhaust pipe mounting cover 1
4 is rotatable about a pivot 41, and is fixed to the outer case 1 by screwing a screw 42 passing through the hole 14b1 into the screw hole 40.

When the exhaust pipe 37 and the exhaust pipe mounting [14] are installed in the state shown in FIG.
The exhaust pipe fittings 12 and 12 are overlapped with each other at the semicircular end sides, and airtightness is maintained through the body 19 of the exhaust pipe attachment fi 14. In addition, there is a recessed portion tta at one location on the outer periphery of the body portion 19 of the exhaust pipe mounting lid 14 for rotational operation.
A knob 24 is provided inside each part.

Next, we will explain the effect of Kameko on the above structure. When installing the ventilation chamber, the exhaust pipe mounting cover 14 should be attached to the pivot 4 with the top open.
It is supported by 1. In this state, connect the exhaust pipe 37 to the exhaust port 1.
It is mounted on a ventilated ceiling so as to be placed on the V-ru member 12 of No. 1, and then mounted on a ventilated ceiling.

First of all, the hand hook on the recess 19m is about 90@ for the exhaust pipe mounting cover 141
Let it move, then pick 9 and 24, and then We'l
I can move animals. In this way, the exhaust pipe s7 and the exhaust port 11 are covered with the exhaust pipe mounting lid 14, and the exhaust pipe mounting If14 and the mounting piece 38 are attached with the tightening screws 42, and the installation is completed, and the exhaust pipe 37 is - Connected to the exhaust port 11 while maintaining airtightness by the μ member 12.20.

8 to 11 show a third embodiment of the present invention, in which the exhaust pipe mounting cover 14 rotates relative to the outer box 1 in the first embodiment, whereas the main The embodiment is constructed with a sliding exhaust pipe attachment @14, and a plurality of guides 3 are formed on the top of the outside [1] on both sides of the square hole 9 along the long axis of the square hole 9. The exhaust pipe mounting v/114 consists of a base 14a having a width corresponding to the guide 43, a circular body 19 corresponding to the exhaust pipe 37, and a semicircular part 14djp connecting this body 19 and the base 146. There is a protruding piece 14 on the base 14@.
・The inner peripheral surface of the open end of the body part 19 has a V-
A μ member 2o is attached, and a gap 24 is provided inside. When installing a ventilation fan with the above configuration, first
Attach the ventilation fan to the ceiling 34 with the exhaust pipe mounting lid 14 shown in FIG.
All you have to do is move it to the right side so as to cover the exhaust pipe 37 and fix it.

6) Effects of the Invention As described above, the present invention includes an outer box that is equipped with a fan device and has an exhaust port, and an exhaust pipe mounting tube that is held in the outer box and is movable from the inside of the outer box. I made it so that it can be fixed by clamping it to the outer box, so it can be attached to the exhaust pipe and exhaust port.
Lol! It is possible to provide a ventilation layer that allows continuous work to be carried out more easily than inside the train, and is also convenient for maintenance and inspection.

[Brief explanation of drawings]

Figures 1 to 4 show the first embodiment of the present invention, where 1WJ is a schematic vertical view, 2 is an oblique view of the outer shaft, and 3 is an exhaust pipe installation. Perspective view of a bud, No. 4
The figure is a sectional view taken along the line W-W in FIG. 1, and the lines shown in FIGS.
5 Figure 1i is a diagram equivalent to Figure 1, Figure 186 is a diagram equivalent to Figure 2, Figure 7
The figure is a diagram corresponding to Figure 3, and since Figures 8 to 11 show the first embodiment of the present invention, Figure 8 corresponds to Figure 1 II.
Figures II and 9 are views corresponding to Figure 2, Figure 10 is a view equivalent to Figure 3, and Figure 11 is a perspective view of the main parts before assembly. In the figure, 1 is the outer box, 7 is the -fn device, 11 is the exhaust port, 14
indicates an exhaust pipe mounting tube, and 37 indicates an exhaust pipe. Figure 1 Figure 2 Figure first 4 0 Figure 5 Ro 6 Father Figure 7 Figure 8

Claims (1)

[Claims] 1. An outer box equipped with a fan device and having an exhaust port, and a device that is held in the outer box and is movable from the inside of the outer box to connect the exhaust pipe and the exhaust port. A duct ventilation fan characterized by having an exhaust pipe mounting cover. 2. The exhaust pipe mounting cover has one end pivoted on the side surface of the outer box so as to be rotatable. Claim 1
Ventilation fans for ducts as described in section. 36. The duct ventilation fan according to claim 1, wherein the exhaust pipe mounting cover is configured to be slidable along the center line of the exhaust pipe. 4. The duct replacement am as set forth in claim 1, wherein the exhaust port has a position regulating piece to determine the insertion length of the exhaust pipe.