JP4735355B2 - Air supply ventilation system - Google Patents

Description

  The present invention relates to an air supply and ventilation device that can be easily cleaned and maintained by simply attaching and detaching a fan motor attached to a ventilation port provided on a wall.

  Conventionally, an air supply ventilator mounted on a wall is known as an example of this type of air supply ventilator (see, for example, Patent Document 1).

  Hereinafter, the air supply and ventilation apparatus will be described with reference to FIG.

As shown in the figure, a rectangular frame portion 104 projecting outward is provided on the indoor side of a cylindrical portion 103 attached to a ventilation port 102 provided in the wall portion 101, and a fan 105 is provided in the cylindrical portion 103. A main body 108 including a fan motor 107 in which a motor 106 is attached to a frame portion 104 is provided so as to be positioned. A frame shape is attached to the outer periphery of the frame portion 104 of the main body 108, and the front surface is closed by a panel 109. 110 or an upper surface 111 is provided with a grill 113 provided with a vent 112, and a shutter 114 provided in the vent 112 is formed by a plurality of shutter plates.
JP 2004-293864 A ([0021] FIG. 1)

  In such a conventional air supply and ventilation device, in order to remove the fan 105, there is a problem that the fan motor 107 cannot be removed unless the entire air supply and ventilation device including the grill 113 and the main body 108 is removed from the wall portion 101. It is required to easily remove the fan 105 and the motor 106 so that they can be cleaned.

  The present invention solves such a conventional problem, and an object of the present invention is to provide an air supply and ventilation device in which a fan motor can be easily removed and the fan and motor can be easily cleaned and maintained.

In order to achieve the above object, the air supply and ventilation apparatus of the present invention is provided with a limit switch that cuts off a power circuit from a connector on the main body frame side to a commercial power supply when the motor leg is removed from the main body frame. .

  By this means, an air supply and ventilation device that can further improve safety during cleaning can be obtained.

  ADVANTAGE OF THE INVENTION According to this invention, an air supply ventilation apparatus with the effect that cleaning and maintenance of a fan, a motor, etc. can be performed easily can be provided.

  In addition, it is possible to provide an air supply and ventilation device having an effect that the fan motor can be easily attached and detached with a simple structure.

  In addition, it is possible to provide an air supply and ventilation device that can easily and reliably attach and detach the fan motor without using a tool and can be realized at low cost.

  In addition, an air supply and ventilation device that is effective in improving the durability of the detachable member and reducing the noise value can be obtained.

  In addition, it is possible to provide an air supply ventilation device that can be used as an exhaust ventilation device.

  In addition, it is possible to provide an air supply and ventilation device that has an effect of easily and surely connecting a commercial power source to the motor.

  In addition, it is possible to provide an air supply and ventilation device that can be connected to the electrical component at a closer location and that the wire can be easily routed.

  In addition, an air supply and ventilation device that can prevent rainwater, dust, insects, mist, etc. from reaching the fan and motor, suppress a decrease in blowing performance, and can extend the life of the motor. Can provide.

  In addition, it is possible to provide an air supply and ventilation device that has the effect of further improving safety during cleaning.

  Moreover, a fan can be removed without using a tool, and the air supply and ventilation apparatus which has the effect that cleaning property improves can be provided.

Air supply ventilator of claim 1 Symbol placement of the present invention, when removing the motor feet from the body frame, which was provided with a limit switch to cut off the power supply circuit leading to the commercial power supply from the connector main body frame side, The power circuit of the charging part that may be touched during cleaning etc. is shut off by the limit switch, so that the power circuit is shut off even when touching the charging part during cleaning, for example, safety during cleaning It has the effect | action that can be improved more.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
As shown in FIGS. 1 and 2, a cylindrical portion 3 inserted into a ventilation port 2 provided in the wall portion 1, and a frame portion 5 that protrudes outward along the indoor side wall surface 4 of the cylindrical portion 3, A main body frame 6, a fan motor 9 including a fan 7 and a motor 8 fixed to the outdoor side, and a motor leg 10 having one end fixed to the fan motor 9. The ends of the plurality of motor legs 10 that are substantially radially disposed are formed in a substantially L shape so as to abut on the indoor front surface of the main body frame 6 and are provided with screw holes 11 in the main body frame 6. The attachment means 13 is formed by screwing the screw 12 penetrating the motor leg 10 into the screw hole 11 provided in the main body frame 6, and is detachably attached from the indoor side by the attachment screw 12 of the attachment means 13. .

  In the above configuration, the motor leg 10 fixing the fan motor 9 is detachably attached to the main body frame 6 via the attachment means 13, so that the main body frame 6 is attached to the wall portion when cleaning the fan 7 and the motor 8. By operating the attachment means 13 from the indoor side while being attached to the fan 1, the fan motor 9 can be removed together with the motor legs 10 to the indoor side, the fan 7 and the motor 8 can be easily cleaned, and the fan 7 and the motor 8 can be easily maintained, and when the fan motor 9 is removed, it can be used as a natural ventilation port.

  Further, since the attachment means 13 can be formed by the attachment screw 12, it can be realized with a simple structure, and the attachment screw 12 can be easily attached and detached using a coin or the like without using a tool such as a screwdriver. The fan motor 9 can be attached and detached.

(Embodiment 2)
As shown in FIG. 3, the attachment means 13 </ b> A is constituted by a thumbscrew 14.

  In the above configuration, by using the thumbscrew 14 that can be loosely tightened by hand as the attachment means 13A, it is not necessary to use a tool such as a screwdriver, the attachment / detachment operation becomes easy, and the operability can be improved. Become.

(Embodiment 3)
As shown in FIG. 4, the convex part 16 which elastically engages the engaging hole 15 provided in the cylinder part 3A with the attaching means 13B is provided on the motor leg 10A.

  In the above configuration, the fan motor 9A is attached to the main body frame 6A by elastically engaging the projection 16 provided on the motor leg 10A with the engagement hole 15 provided in the cylinder portion 3A on the main body frame 6A side. However, it can be fixed more reliably than when it is fixed using a screw, and it can be reliably fixed, and a separate screw is not required, so that the cost can be reduced.

(Embodiment 4)
As shown in FIG. 5, the mounting means 13C is formed by forming a convex portion 16A that is elastically engaged with an engagement hole 15A provided in the cylindrical portion 3B with a metal spring 17, and is provided on the motor leg 10B.

  In the above configuration, the convex portion 16A is formed by the metal spring 17 and is elastically engaged, so that the durability of the elastic portion in attachment and detachment can be enhanced, and the vibration of the motor 8A can be absorbed by the metal spring 17. Therefore, the noise level can be reduced.

(Embodiment 5)
As shown in FIGS. 6 to 8, the attachment means 13 </ b> D includes an internal thread portion 18 provided on the inner surface of the cylindrical portion 3 </ b> C and an end portion of the motor leg 10 </ b> B so as to engage with the internal thread portion 18 from the indoor side to the outdoor side. A male threaded portion 19 is formed which is formed with a wide depth dimension in the direction of, and is formed by enlarging the area of the portion screwed into the female threaded portion 18, and a handle 19 a for rotating the male threaded portion 19 is provided. Further, the fan motor 9B is configured to be reversed and attachable as shown in FIG.

  In the above configuration, the motor leg 10B itself to which the fan motor 9B is attached is directly screwed and attached to the cylindrical portion 3C of the main body frame 6B, so that the attachment and detachment can be facilitated and the fixing can be ensured. This eliminates the need for parts management and facilitates component management.

  Further, by attaching the fan motor 9B together with the motor legs 10B so as to be reversed, the fan motor 9B can be easily used as an exhaust ventilation device, and the usability is improved.

(Embodiment 6)
As shown in FIGS. 9 and 10, a connector 22 for electrically connecting the motor lead wire 20 and the commercial power source 21 is provided between the main body frame 6C and the motor leg 10C, and the connector 22 is positioned on the upper side of the main body frame 6C. It is provided and configured.

  In the above configuration, when the fan motor 9C is attached to the main body frame 6C, the motor leg side connector 23 provided on the motor leg flange portion 10a on the motor leg 10C side is connected to the main body frame side connector 24 provided on the main body frame 6C. Thus, connection to the commercial power source 21 to the motor 8B can be easily and reliably performed.

  In addition, the electrical component 25 of the air supply and ventilation device such as the present structure is usually located at the upper part on the back side of the main body frame 6C so that condensed water or the like does not collect in the electrical component 25. By connecting the connector 22 to the upper part, the connector 22 can be connected to the electrical component 25 at a close position, and the electric wire connected to the electrical component 25 can be easily routed.

(Embodiment 7)
As shown in FIG. 11, a filter frame 27 is provided to attach the filter 26 detachably to the outdoor side of the fan 7A of the motor leg 10D.

  In the above configuration, intrusion of rainwater, dust, insects, mist, and the like from the outside can be blocked by the filter 26 provided far from the indoor side, and the contamination of the fan 7A, the motor 8C, etc. is reduced, and the air blowing performance is improved. The lowering can be suppressed, and when the filter 26 is to be maintained, the engagement of the elastic engagement convex portion 16B provided in the motor leg 10D is released from the engagement hole 15B provided in the main body frame 6D. In addition, the fan motor 9E can be taken out indoors via the motor leg 10D to clean or replace the filter 26. In other cases where the filter 26 cannot be attached or detached, the motor is used for maintenance. It is necessary to position the filter 26 on the indoor side from 8C, which increases the thickness of the louver for storing the filter 26 provided on the indoor side. Whereas in which A is deteriorated, it becomes possible to reduce the thickness of the louver provided in the indoor side (not shown).

(Embodiment 8)
As shown in FIGS. 12-14, the limit switch 28 which interrupts | blocks the power circuit from the main body frame side connector 24A to the commercial power source 21A when the motor leg 10E is removed from the main body frame 6E is provided.

  In the above configuration, when a fan motor (not shown) is removed from the main body frame 6E via the motor legs 10E, the motor leg side connector 23A provided on the motor leg flange portion 10b on the motor leg 10E side is provided on the main body frame 6E. When the connection with the main body frame side connector 24A is released, the motor leg flange portion 10b operates the limit switch 28, and the power supply circuit of the commercial power source 21A reaching the main body frame side connector 24A is cut off. Even if it touches the main body frame side connector 24 </ b> A serving as a potential charging unit, the power supply circuit is cut off, so that safety during cleaning can be ensured.

(Embodiment 9)
As shown in FIG. 15, the rotation pin 29 and the concave groove portion 31 are provided on the rotation shaft 29 of the fan motor 9G, and the engagement groove 33 and the concave groove portion 31 that engage with the rotation prevention pin 30 are provided on the boss portion 32 of the fan 7C. A holding part 34 and a pressing part 35 that are engaged and held are formed so as to surround the rotating shaft 29, and a pair of pressing parts 35 are provided on the inner side of the rotating shaft 29 on the axis side with the fingertip to press the pressing part 35. An engaging / disengaging means 36 is formed so that the holding portion 34 provided integrally with the moving portion 35 moves in the moving direction of the pressing portion 35, the holding portion 34 is detached from the concave groove portion 31, and the holding force of the holding portion 34 is released. The fan 7C can be attached and detached without using a tool.

  In the above configuration, when the fan 7C is attached, the boss portion 32 is fitted to the rotating shaft 29, the engaging groove 33 provided in the boss portion 32 is engaged with the detent pin 30 provided on the rotating shaft 29, and the rotating shaft 29 is engaged. While the holding portion 34 of the engaging / disengaging means 36 is opened from the tip portion of the rotating shaft 29, the rotating shaft 29 can be clamped and attached by the elastic force of the holding portion 34 while being guided by the groove 31 of the rotating shaft 29, and the fan 7C uses a tool. Without removing from the motor 8E, the fans 7C and 8E can be cleaned in detail, and the cleaning performance is further improved.

  INDUSTRIAL APPLICABILITY The air supply and ventilation apparatus according to the present invention has an effect that the fan and the motor can be easily cleaned and maintained, and is useful in the technical field of general ventilation fans in which the fan and the motor become dirty.

Sectional drawing which shows the installation state of the air supply ventilation apparatus of Embodiment 1 of this invention Front view of the air supply ventilator Front view of an air supply ventilator according to a second embodiment of the present invention Sectional drawing which shows the installation state of the air supply ventilation apparatus of Embodiment 3 of this invention Sectional drawing which shows the installation state of the air supply ventilation apparatus of Embodiment 4 of this invention Sectional drawing which shows the installation state of the air supply ventilation apparatus of Embodiment 5 of this invention Front view of the air supply ventilator Sectional drawing which shows the state which formed the supply air ventilation apparatus in the exhaust ventilation apparatus Sectional drawing which shows the installation state of the air supply ventilation apparatus of Embodiment 6 of this invention Front view of the air supply ventilator Sectional drawing which shows the installation state of the air supply ventilation apparatus of Embodiment 7 of this invention The fragmentary sectional view which shows the structure of the power supply circuit of the air supply ventilation apparatus of Embodiment 8 of this invention Partial sectional view showing the relationship between the motor leg flange and limit switch of the air supply and ventilation system Partial front view showing the motor leg flange of the air supply and ventilation device The perspective view which shows the attachment or detachment structure of the fan of the air supply ventilation apparatus of Embodiment 9 of this invention Sectional drawing which shows the installation state of the conventional air supply ventilator

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wall part 2 Ventilation port 3 Cylinder part 3A Cylinder part 3C Cylinder part 4 Indoor side wall surface 5 Frame part 6 Main body frame 6C Main body frame 6D Main body frame 6E Main body frame 7 Fan 7A Fan 7C Fan 8 Motor 9 Fan motor 9B Fan motor 9G Fan Motor 10 Motor leg 10A Motor leg 10B Motor leg 10C Motor leg 10D Motor leg 10E Motor leg 12 Attachment screw 13 Attachment means 13A Attachment means 13B Attachment means 13D Attachment means 14 Butterfly screw 15 Engagement hole 16 Convex part 16A Convex part 17 Metal spring DESCRIPTION OF SYMBOLS 18 Female thread part 19 Male thread part 20 Motor lead wire 21 Commercial power supply 21A Commercial power supply 22 Connector 24A Main body frame side connector 26 Filter 27 Filter frame 28 Limit switch 29 Rotating shaft 30 Non-rotating pin 31 Concave groove part 32 Boss part 33 Engagement groove 36 Engagement Removal

Claims (2)

A main body frame having a cylinder portion inserted into a ventilation port provided in the wall portion, and a frame portion projecting indoors along the indoor side wall surface of the wall portion of the cylinder portion, and the cylinder of the main body frame A fan motor comprising a motor to which a fan provided in the unit is fixed, and a motor leg for fixing the fan motor, wherein the motor leg is detachably attached to the body frame by attachment means,
The connector for conductively connected to the motor leads and the commercial power source, there is provided between the body frame and the motor leg, when removed the motor leg from the body frame, wherein the body frame side connector air supply ventilator provided with a limit switch to cut off the power supply circuit leading to the commercial power source. A main body frame having a cylinder portion inserted into a ventilation port provided in the wall portion, and a frame portion projecting indoors along the indoor side wall surface of the wall portion of the cylinder portion, and the cylinder of the main body frame A fan motor comprising a motor to which a fan provided in the unit is fixed, and a motor leg for fixing the fan motor, the motor leg being detachably attached to the body frame by an attachment means, and the attachment means, A convex portion that elastically engages with an engagement hole provided in the cylindrical portion is provided on the motor leg, and a connector that electrically connects the motor lead wire and the commercial power source is provided between the main body frame and the motor leg. An air supply and ventilation device provided with a limit switch that cuts off a power supply circuit from a main body frame side connector to the commercial power supply when the motor leg is removed from the main body frame.

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