JP4396364B2 - Electric shutter device - Google Patents

Description

  The present invention relates to a shutter device that is used for forcibly blocking outside air from a duct communicating with the outdoors in an apparatus such as an air conditioner or a ventilator.

  Conventionally, as this type of shutter device, a damper for a duct having a damper (shutter) rotatably provided at an intermediate portion in an integrally formed cylinder has been known as an example of the structural surface (for example, a patent) Reference 1).

  As shown in FIG. 4, a damper (shutter) 103 having a support portion 102 for rotating is arranged in an integrally formed cylindrical duct 101, and the damper (shutter) 103 is rotated. The air path is opened and closed.

  Further, as this kind of shutter device, the one indicating the installation state of the main body is characterized in that it is installed between a duct communicating with the indoor side or the outdoor side and a duct communicating with the ventilation device side. Are known. (For example, refer to Patent Document 2).

  The shutter device will be described below with reference to FIG.

As shown in the figure, a box body provided on the ceiling 104 of the building and provided with an adapter 106 connected to the duct 105 on the top surface or side surface portion, and a ventilation device 107 provided with a blower inside the box body. The shutter device 109 is characterized in that there is a duct 105 that communicates with the adapter and the room 108 and that is connected to the middle of the duct 105 that communicates the ventilation device with the room.
Japanese Utility Model Publication No. 3-23739 JP 61-191823 A

  However, in the conventional structure in terms of structure, it takes time to assemble the damper (shutter), and it is difficult to disassemble the finished product for maintenance or the like.

  The present invention solves the above-described conventional problems, has a simple structure, facilitates assembly, and can be easily disassembled even when disassembled for maintenance repair or the like. An object is to provide an apparatus.

  Further, in the conventional configuration in terms of installation, it is necessary to install at least two ducts because it is necessary to install the shutter device by a duct on the outdoor side and a duct relay on the ventilation device side. In addition, the installation location is different between the ventilation device and the shutter device, and there is a problem that the number of work steps increases because the work location of each construction work and maintenance is different.

  Further, since the adapter and the electric shutter are connected via the duct, there is a problem that an extra hanging band for fixing the duct is required.

  The present invention solves the above-mentioned conventional problems, and reduces the number of duct connections and the number of suspension bands when installing a ventilation device and a shutter device, improving the workability and reducing the construction work place. An object is to provide an apparatus.

  In order to solve the conventional problems, the shutter device of the present invention includes an adapter-side cylinder, a duct-side cylinder, and a shutter, and a holding portion that rotatably holds the shutter on the adapter-side cylinder or the duct-side cylinder. In the shutter device that is provided and holds the shutter in the holding part and then engages and assembles the adapter-side cylinder and the duct-side cylinder, the adapter-side cylinder and the duct-side cylinder are made of resin as a combination. Assembling is a method of insertion, and when disassembling, a shutter device is used.

  That is, by dividing the cylinder into the adapter side and the duct side, the shutter disposed between them can be easily assembled with high accuracy.

  Also, the assembly of the two cylinders is done by inserting, so it is easy to do and the quality is stable because it is a simple operation, and the disassembly after assembly is pulled out as the reverse operation, so this is also an easy task Is.

  In order to solve the conventional problems, the shutter device of the present invention is a shutter device that is directly attached to an adapter of a ventilator that ventilates by connecting a duct to the adapter.

  By this means, the shutter device and the ventilation device come close to each other, and when performing an installation operation or a maintenance operation, the operation can be performed at the same position at the same time, and the work efficiency is greatly improved.

  In addition, a connecting duct between the shutter device and the ventilation device is not necessary, and a suspension band for fixing the duct is also unnecessary, the number of parts is reduced, and naturally, an installation operation and the like are also unnecessary.

  Also, the shutter device is characterized in that one side is connected with the adapter provided in the ventilation device inserted, and the other side is connected with a duct inserted by extrapolation to form a ventilation path. .

  Moreover, it is set as the electric shutter apparatus provided with the level | step difference made to contact | abut with the said adapter front-end | tip part in the inner peripheral part by which the adapter provided in the ventilation apparatus is inserted and connected.

  Also, an electric shutter device characterized by a circular shutter shape that forcibly blocks outside air entering from the duct that communicates the outdoors with the ventilator when the ventilator is stopped It is.

  Further, the shutter has an opening / closing shaft that divides the shutter substantially equally into two when the duct connection port is viewed from the front.

  In addition, the electric shutter device can be divided into a portion where the adapter is inserted and a portion where the duct is externally inserted.

  An electric shutter device comprising a cutout portion for holding a shutter shaft in a component having a connection port connected to an adapter, and an inner edge of the cutout portion in which the shutter shaft is rotatably contacted, and a mountain shape It is a thing.

  According to the electric shutter device of the present invention, since it can be directly connected to the adapter provided in the ventilator, the number of connecting ducts can be reduced by at least one, and the installation work of the ventilator and the electric shutter device can be performed at the same place. Reduction.

The invention of claim 1, wherein the duct side cylindrical body a cylindrical duct joint provided on one side connected to a duct communicating with the outside, for connecting the adapter provided in the air outlet of the ventilation device An adapter-side cylinder having a cylindrical adapter connection port on one side, a shutter that opens and closes the duct-side cylinder and an air passage inside the adapter-side cylinder, and the shutter is connected to the shutter and rotated. An electric shutter device provided with an electric switch , wherein the duct side cylinder and the adapter side cylinder are combined on the other side with respect to the one side, and at that time, the duct side cylinder The shutter is rotatably held by a holding part provided on the other side of either the body or the adapter side cylinder, and the electric switch includes the duct side cylinder And the are those adapter side cylindrical member respective outer surface formed in a half state a box body has an electric shutter device, which is housed in a box body to be completed in one to center portion coalesce, cylinder By dividing the body into two parts, the adapter side and the duct side, the box placed between the shutter and the electric switch can be assembled easily and accurately, and the shutter is clearly defined as the electric shutter. Like the ventilation device, the shutter device is also electrically operated, so that mutual electrical wiring is performed in the immediate vicinity and in the vicinity so that it can be performed efficiently and in a short time. In addition, by directly attaching the adapter connection port of the electric shutter to the adapter of the ventilator, the duct between the electric shutter and the ventilator becomes unnecessary, so that the installation work is not required, and the corresponding hanging band is also unnecessary It becomes. In addition, since the ventilation device and the electric shutter device are mounted at substantially the same place, the installation work space can be reduced, maintenance work can be performed in the vicinity, and work efficiency can be improved.

Further, an invention according to claim 2 wherein, is intended the duct side tubular member which is inserted combined with the adapter side cylindrical body, mutually pulling division configurable and the electric shutter device, that the assembly of the shutter device Since the structure is a simple insertion and can be disassembled by pulling it out, it is very effective for maintenance and repair.

According to a third aspect of the present invention , the shutter is provided with a shutter shaft, and the shutter shaft is rotatably held on the other side of the duct side cylinder and the adapter side cylinder. the away portion is provided, and the boost the inner edge of the pre-Symbol notch those electric shutter device, which is a mountain shape to reduce the contact area between the shutter shaft, by doing so, hold the shutter shaft Since the contact area with the part to be cut can be reduced and the frictional resistance between the shutter shaft and the notch when opening and closing the shutter can be made difficult , simple assembly by simply inserting the shaft into the notch Thus, the shutter shaft can be reliably held, and the durability of the notch for holding the shaft can be greatly improved .

(Embodiment 1)
The shutter device of the present invention will be described below with reference to the drawings.

  As shown in FIG. 1 to FIG. 3, an air inlet 12 having an inlet 12 on the lower surface and having an adapter 5 connected to the duct 4 is provided on at least one side, and outwardly on one end side. Although not shown, the ventilation device 2, which is a device having a blower as a blower, is fixed to a suspension bolt suspended from the ceiling wall 8 with a nut and suspended. In the lowered state, the box portion is put into the ceiling back 7 from the embedding port 10 of the ceiling board 1, and the suction port 12 surface is arranged in accordance with the surface of the ceiling board 1.

  In the adapter 5 of the ventilation device 2, the adapter connection port 16 of the adapter side cylinder 23 of the electric shutter device 6 is inserted outside the adapter 5, and is taped and fixed by an aluminum tape (not shown). Yes. In addition, a duct 4 made of vinyl chloride and having a round cross section is inserted into the duct connection port 18 of the duct side cylinder 24 of the electric shutter device 6, and is not shown. The tape is fixed by tape.

  The duct 4 is fixed in a state of being suspended by a suspension band 15 that is driven into and fixed to the ceiling wall 8, and communicates with the outdoor 3 through the wall.

  An inspection port 11 is provided in the vicinity of the place where the ventilation device 2 is attached, and an operator 13 can inspect and repair the ventilation device 2 and the electric shutter device 6 from the inspection port 11.

Here, the electric shutter device 6 will be described in detail.

As shown in FIGS. 2 and 3, an adapter connection port 16 is provided on one side of the adapter side cylindrical body 23 to which the adapter 5 is inserted and connected, and the tip end portion of the adapter 5 is disposed on the inner peripheral portion of the adapter connection port 16. Is provided with a step 22 projecting toward the center of the circle of the adapter connection port 16, and an inner peripheral lower portion of the step 22 has a gradient from the adapter contact surface toward the duct connection port (exhaust direction). The groove 26 is continuously provided up to the end of the duct connection port 18 in a state where the electric shutter device 6 is assembled.

Further, an insertion allowance to the duct side cylinder 24 is provided on the outer periphery on the other side of the adapter side cylinder 23. The insertion allowance is slightly smaller than the outer diameter, and the contact portion of the duct side cylinder 24 to be extrapolated is provided. Will be provided as a step. On the other side of the adapter-side cylinder 23 on the horizontal plane of the center of the cylinder, there are two U-shaped cutouts 25 for holding the shutter shaft, and the inner edge of the U-shaped cutout 25 has a mountain shape. Yes.

A box body 17a for accommodating the electric switch 21 integrally formed on the outside of the cylinder of the adapter side cylinder body 23 is formed in a half state. In the electric switch 21, after the shutter 19 is inserted into the U-shaped notch 25 of the adapter side cylinder 23, the duct side cylinder 24 is inserted into the adapter side cylinder 23 and assembled, and then the center of the assembled cylinder is obtained. The outer surface of the portion is screwed over each of the two cylinders, and thus the box body for storing the electric switch 21 is formed in a half state in each of the two cylinders. Yes.

The shutter 19 has a circular shape, and a cylindrical shutter shaft that is the center of opening / closing operation of the shutter is integrally formed at the center of the circle, and an elliptical plate is provided on one end side of the shutter shaft. A protrusion is provided on the surface to be connected to the electric switch 21 while being shifted from the line of the shutter axis.

The duct side cylinder 24 is provided with a cylindrical duct connection port 18 into which the duct 4 is extrapolated on one side, and an insertion connection port for inserting and attaching the adapter side cylinder 23 on the other side. provided notches of the U-shaped to engage the U-shaped cutout portion 25 of the adapter-side cylindrical member 23 in the end two places, inside cylindrical the other side with the adapter side cylindrical member 23 comprising a step to abut upon by plug combined, it has a groove 26 having a slope to the exhaust side so as to be continuous with the grooves provided in the cylindrical interior of the adapter side tube body 23 to the step.

  In addition, a box body 17b that governs the integrally formed electric switch 21 is formed in a halved state outside the cylinder of the duct side cylinder body 24. Two projecting portions projecting in the exhaust direction are provided on the side end face in the exhaust side direction, that is, in the duct connection port direction of the half box.

Hook the lid 20 on the protrusion, so that the lid 20 to the box body. That is, by inserting and combining the duct side cylinder 24 and the adapter side cylinder 23, the half box 17a and the box 17b are combined to form one completed box. There are two mounting screw seats on the inner surface of the box, and an electric switch 21 to be connected to the shutter 19 is housed and fixed to the screw seats. After the electric switch 21 is screwed and fixed, a lid 20 is hooked on two claw portions provided in the box body 17b and projecting in the duct connecting direction, and the electric switch 21 is housed in this lid 20 The body 20 is covered, and the lid 20 is screwed and fixed to a screw boss provided on the box body 17a. Naturally, the lid 20 is provided with a fool hole through which a screw is passed.

As described above, the electric shutter device 6 is configured such that the duct 4 is inserted and connected on one side, and the adapter 5 is inserted and connected on the other side.

Next, attachment of the electric shutter device 6 will be described in detail.

The ceiling board 1 is provided with an embedding port 10, and an operator 13 puts a hand through the embedding port 10 and is suspended and fixed in a ceiling band 7 with a suspension band 15 , such as a PVC, a galvanized iron plate, an aluminum plate or the like. the duct joint 18 of the duct-side cylindrical member 24 of the electric shutter device 6 to the duct 4 is inserted into the inner side of the duct 4, taping fix the inserted junction between the duct 4 with tape of aluminum tape.

Here, a supplementary explanation will be given regarding the mounting direction of the electric shutter device 6 .

The electric shutter device 6 has two directions. First, regarding the direction of insertion, only the duct connection port 18 can be inserted into the duct side, and the duct 4 cannot be connected to the adapter connection port 16. That is, the cylinder size is made suitable for each, and the outer periphery of the adapter side cylinder 23 with the adapter connection port 16 is not provided with a step for contacting the insertion allowance and the duct 4, and the duct 4 is connected to the duct connection port 18. A step for abutting the insertion allowance with the duct 4 is provided.

  Next, in the horizontal direction, the display 26 is displayed on the outer edge of the apparatus so that the groove 26 provided in the apparatus is surely located on the lower side, and the box of the electric switch 21 with the apparatus attached. It is dimensioned so that the side surface on the lower side is almost the outermost circumference of the device cylinder, and it is devised so that the directionality can be understood even on the appearance so that the stable state is the positive direction when the device is placed Yes.

  Install with the above direction of attachment in mind.

  Here, the description returns to the device attachment.

  After fixing the duct 4 to the duct connection port 18, the adapter side is attached and fixed.

  The adapter 5 on the ventilation device side is inserted and inserted into the adapter connection port 16 provided on the adapter side cylinder 23 of the electric shutter device 6, and the adapter is brought into contact with the step provided at the insertion end of the adapter connection port 16. Stabilize and tap and fix the joint with aluminum tape or the like, and fix the flange portion of the adapter 5 to the ceiling plate 1. Alternatively, the adapter 5 and the electric shutter device 6 are connected and fixed by the operator 13, the electric shutter device 6 is connected and fixed from the embedding port 10 to the duct 4 in the ceiling back 7, and the adapter is attached to the ceiling board 1. 5 is contacted and fixed. The ventilation device 2 is inserted into the space behind the ceiling 7 above the ceiling board 1 through the embedding port 10 and attached to the adapter 5, and the horizontal surface of the flange portion 14 is brought into contact with the indoor surface of the ceiling board 1. At the stage, the electric shutter and the ventilator are electrically connected, and the wiring is completed. The operator 13 can perform the installation work of the electric wiring and each device at one time while looking through the inspection port 11 at one place.

  Here, supplementary explanation of the adapter 5 will be given.

  The adapter 5 of the present embodiment is different from the box of the ventilation device 2. That is, apart from the box of the ventilation device 2, although not shown, the adapter portion connected to the adapter connection port 16 of the electric shutter device 6, the flange portion screwed to the ceiling board 1, and the ventilation device 2 are engaged. And a portion to be united. Therefore, the adapter is attached to the ceiling board 1 in advance, and then the box body which is the main body of the ventilation device 2 is engaged with the adapter and attached to the ceiling board 1.

  Here, the operation will be described.

  When the ventilation device 2 is operated, the shutter 19 of the electric shutter device 6 opens, sucks indoor air, passes through the electric shutter device 6 connected to the side adapter 5, and is connected to the outdoor 3 from the connected duct 4. To discharge. Further, when the ventilation device 2 is stopped, the shutter 19 of the electric shutter device 6 is closed to prevent the outside wind entering from the duct 4 communicating with the outdoor 3 from entering the room.

In addition, even if the apparatus which mounts the electric shutter apparatus 6 of this invention is air conditioners or ventilation apparatuses, such as an intermediate | middle duct, a natural ventilation fan, and an air conditioning system, there exists the same effect.

  Moreover, even if it has what is called a ventilation or an air supply / exhaust port which does not have an air blower inside, if it has an adapter part, it can connect in the same way and has the same effect. .

  To repeat, when installing the ventilation device 2 in which the duct 4 is installed in the space of the ceiling 7 and the electric shutter device 6 is mounted, it is performed as shown in FIG. That is, the duct 4 communicating with the outdoor 3 in the ceiling 7 is fixed to the ceiling wall 8 with the suspension band 15, and the electric shutter device 6 and the adapter 5 are inserted from the embedding port 10 provided by the operator 13 in the ceiling board 1. Is installed in the duct 4 and the ventilation device 2 is embedded. Since the electric shutter device 6 is directly attached to the adapter 5 and installed, it can be performed at the same time when the ventilation device 2 is installed at the same work location. Moreover, since the electric shutter device 6 and the ventilation device 2 are installed at the same place when performing maintenance, the ventilation device 2 and the electric shutter device 6 can be performed at the same time. However, in the case of the conventional electric shutter device 106, the ventilation device 107 and the electric shutter device 109 are installed in the middle of the duct 105 as shown in FIG. The installation work and maintenance after installation take a lot of work man-hours because the installation places are remote.

According to the electric shutter device 6 in the first embodiment of the present invention, by which can be attached directly to the adapter 5 provided on the duct connecting opening 18 and ventilation device 2, an electric shutter device 6 and ventilator 2 Since the installation work can be performed at a location close to each other, the number of installation work and maintenance work can be reduced.

  In the shutter device connected between the ducts, one connection is an interpolated connection, the other connection is an extrapolated connection, and the interpolated connection side is directly connected to the ventilation device, thereby smoothing the air flow. Condensed water can flow smoothly, and the shutter device and the ventilation device are close to each other by direct connection. The shutter device having such a direct connection configuration is not limited to a ventilation device, but can be applied to a connected object such as a simple air supply / exhaust device or a ventilation duct.

Explanatory drawing of the attachment state of the electric shutter device and the ventilation device in Embodiment 1 of the present invention Exploded perspective view of the electric shutter device Sectional drawing which shows the connection part of the electric shutter device Sectional view of a conventional electric shutter device Installation state explanatory diagram of the electric shutter device and ventilation device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling board 2 Ventilation device 3 Outdoor 4 Duct 5 Adapter 6 Electric shutter device 7 Ceiling back 8 Ceiling wall 9 Air outlet 10 Implantation port 11 Inspection port 12 Suction port 13 Worker 14 Flange part 15 Suspension band 16 Adapter connection port 17a Box Body 17b Box 18 Duct connection 19 Shutter 20 Lid 21 Electric switch 22 Step 23 Adapter side cylinder 24 Duct side cylinder 25 U-shaped notch 26 Groove

Claims (3)

A duct-side cylindrical body provided with a cylindrical duct joint on one side connected to a duct communicating with the outside, a cylindrical adapter connection port for connection to an adapter provided in the outlet of the ventilator one An electric shutter provided with an adapter-side cylinder provided on the side, a shutter that opens and closes the duct-side cylinder and an air passage inside the adapter-side cylinder, and an electric switch that is connected to and rotated by the shutter It is an apparatus , Comprising : The said duct side cylinder and the said adapter side cylinder are inserted and united in the other side with respect to each said one side, In that case, any of the said duct side cylinder and the said adapter side cylinder The shutter is rotatably held by the holding portion provided on the other side, and the electric switch is provided between the duct side cylinder and the adapter side cylinder. Electric shutter apparatus characterized by a box body formed in a half state to the outer surface is contained in the box body to be completed in one to center section by coalescence respectively. The duct-side tubular member which is inserted combined with the adapter-side tubular member, an electric shutter device according to 請 Motomeko 1 was mutually pulling division configurable. The shutter shaft is provided on the shutter, the other side of one of the duct-side tubular member and the adapter side cylindrical body, a cutout portion for holding the shutter shaft rotatably provided, before Symbol notch The electric shutter device according to claim 1, wherein the inner edge of the ridge is raised to form a mountain shape that reduces a contact area with the shutter shaft .

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