JP2010059871A - Ceiling fan - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ceiling fan which can be satisfactory installed even in a room having a relatively low ceiling. <P>SOLUTION: The ceiling fan is disposed near a light 8 suspended from a ceiling T, and includes a plurality of blade members 2 capable of blasting by being driven and rotated by a motor 3. In the ceiling fan, a casing 1 storing a bearing 5 freely rotatably supporting the motor 3 and the blade members 2 is included and the motor 3 is disposed at a position offsetting from a center of the casing 1. A hollow part opening downward is formed at the center of the casing 1 and cord of the light 8 is suspended from a bottom surface center of the hollow part. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a ceiling fan that is disposed in the vicinity of an electric lamp suspended from a ceiling and includes a plurality of blade members that are driven to rotate by a motor and can blow air.

  Ceiling fans installed on the ceiling for the purpose of indoor ventilation are usually arranged in the vicinity of an electric lamp suspended from the ceiling, and have a plurality of blade members and a motor for driving the blade members to rotate. It has. Since a ceiling outlet for supplying power to the lamp is usually fixed on the ceiling, power is supplied from the ceiling outlet to the lamp and the motor. In addition, since this prior art does not relate to the literature known invention, there is no prior art document information to be described.

  However, in the above conventional ceiling fan, since the motor is disposed at the center position of the blade member (the rotation center of the blade member), a large space for housing the motor is required in the upper part of the housing. There was a problem that. If a large space is required in the upper part of the casing, the installation position of the ceiling fan is lowered by that amount, which causes inconvenience when installing in a room with a relatively low ceiling.

  This invention is made | formed in view of such a situation, and it is providing the ceiling fan which can be installed favorably also in the room where a ceiling is comparatively low.

  According to a first aspect of the present invention, in the ceiling fan provided with a plurality of blade members that are disposed in the vicinity of an electric lamp suspended from the ceiling and are driven to rotate by a motor and capable of blowing air, the motor and the blade members are rotated. In addition to having a housing that contains a bearing that is freely supported, the motor is disposed at a position offset from the rotation center of the blade member.

  According to a second aspect of the present invention, in the ceiling fan according to the first aspect, a concave portion opened downward is formed at the center of the casing, and the cord of the electric lamp is suspended from the center of the bottom surface of the concave portion. It was made to be characterized.

  According to a third aspect of the present invention, in the ceiling fan according to the first or second aspect of the present invention, the connection is such that the electric power from the ceiling outlet can be supplied to the motor while engaging with the ceiling outlet fixed to the ceiling. In addition to having a metal fitting, the connector includes a connector portion that is electrically connected while engaging a pair of metal fittings formed on the connector of the electric light so that power from the ceiling outlet can be supplied to the electric light.

  According to the first aspect of the present invention, since the motor is disposed at a position offset from the rotation center of the blade member, a large space is not required in the upper part of the housing, and the ceiling fan can be satisfactorily installed in a room having a relatively low ceiling Can be installed.

  According to the invention of claim 2, since the concave portion opened downward is formed at the center of the housing, and the cord of the electric lamp is suspended from the center of the bottom surface of the concave portion, the periphery of the connector of the electric lamp is When there is a cover to cover, the cover is accommodated in the recess, and the design can be further improved.

  According to the third aspect of the present invention, the connector has a fitting that can be connected to the ceiling outlet fixed to the ceiling and can be supplied to the motor, and can be supplied to the motor. Since it has a connector part that can conduct electricity while locking a pair of metal fittings and supply power from the ceiling outlet to the lamp, it can supply power to both the lamp and the motor without adding a ceiling outlet. In addition, existing electric lights can be used as they are.

Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings.
As shown in FIGS. 1 and 2, the ceiling fan according to the present embodiment is disposed in the vicinity of the lamp 8 suspended from the ceiling T for the purpose of indoor ventilation (above the lamp 8 and on the ceiling T side). It has been done. The lamp 8 applied to the present embodiment is suspended from the ceiling T via a cord H while being covered with an umbrella-shaped cover 9, and a connector 11 is formed on the base end side of the cord H. Yes. A base end cover 10 that covers the periphery of the connector 11 is formed on the base end side of the cord H.

  The connector 11 is a general-purpose connector formed on a cord of a general electric lamp. As shown in FIG. 6, the connector 11 has a pair of metal fittings 16 each of which has its end bent and formed with a locking portion 16a. Yes. In addition, as shown in FIG. 5, the general-purpose ceiling outlet C fixed to the ceiling T has a pair of notches 12 corresponding to the pair of metal fittings 16, and a pair of metal fittings from the wide part of the notch 12. 16 can be inserted.

  If the connector 11 is rotated in a predetermined direction with the pair of metal fittings 16 inserted through the wide portions of the notches 12, the locking portions 16 a are locked to the width details of the notches 12 and the conductive metal 15 The contact portion 15a can be contacted and electrically connected (conducted). The conducting metal fitting 15 is composed of an integrated metal fitting having a contact portion 15a at one end and a base end portion 15b at the other end, and the base end portion 15b is connected to a power supply wiring so that power can be supplied. . In the figure, reference numeral 13 denotes a screw insertion hole for fixing the ceiling outlet C to the ceiling T, and reference numeral 14 denotes a boss portion in which the insertion hole 13 is formed.

  On the other hand, the ceiling fan according to the present embodiment can be electrically connected to both the ceiling outlet C and the connector 11, and includes a housing 1, a motor 3 capable of normal rotation and reverse rotation, It is mainly composed of a plurality (three in the present embodiment) of blade members 2 that can be rotationally driven by a motor 3 and a connector portion 7.

  The housing 1 contains a bearing 5 or the like that rotatably supports the motor 3 and the blade member 2, and is mainly composed of an outer fan cover 1a and an inner fan base 1b. A motor mounting plate 1c is formed. More specifically, an annular rotating member 6 is rotatably attached to the fan base 1 b via a bearing 5, and the blade member 2 is attached to the rotating member 6. The blade member 2 is fixed to the rotating member 6 by a pin P, and the blade member 2 can be attached and detached by inserting and removing the pin P.

  A motor 3 is mounted on the motor mounting plate 1c, and an output shaft 3a of the motor 3 extends downward. However, the motor 3 is disposed at a position offset from the center of the casing 1 (position shifted laterally), specifically, a position offset from the rotation center L of the blade member 2. That is, in the prior art, the motor is disposed on the rotation center L of the blade member 2 and on the upper portion of the casing 1, but in the present invention, the motor is displaced from the rotation center L as illustrated. The motor 3 is housed in the interior of the housing 1 (accordingly, the position below the conventional position).

  On the other hand, a rib 6a is formed on the upper surface of the rotating member 6 so as to rise in an annular shape, and the urethane roller 4 is disposed in contact with the inner peripheral surface 6aa of the rib 6a. The urethane roller 4 is formed on the output shaft 3 a of the motor 3 and is configured to rotate by driving the motor 3 to rotationally drive the rotating member 6 and the blade member 2. Thus, air can be blown into the room by rotating the blade member 2.

  Further, a concave portion A opened downward is formed at the center of the housing 1, and a connector portion 7 is disposed on the bottom surface Aa of the concave portion A. As shown in FIGS. 3 and 4, the connector portion 7 has a pair of connection fittings 7 a that can be electrically connected to the ceiling outlet C and can supply power from the ceiling outlet C to the motor 3. The pair of metal fittings 16 formed on the eight connector 11 are engaged while being electrically connected so that the electric power from the ceiling outlet C can be supplied to the lamp 8.

  The connection fitting 7 a is formed to rise upward from the upper surface of the connector portion 7, the tip thereof is bent to have a locking portion 7 aa, and the rising portion and the locking portion 7 aa are a pair of connectors 11. It is made into the substantially same shape as the metal fitting 16 and the latching | locking part 16a. That is, both the pair of metal fittings 16 of the connector 11 in the lamp 8 and the connection metal fittings 7a of the connector portion 7 in the main ceiling fan can be inserted and locked in the notch 12 of the ceiling outlet C. In addition, electrical connection (conduction) to the conductive fitting 15 is possible.

  Further, a notch 7c having substantially the same shape as the ceiling outlet C is formed on the lower surface of the connector portion 7, and a pair of metal fittings 16 of the connector 11 in the lamp 8 can be inserted from the wide portion. If the connector 11 is rotated in a predetermined direction with the pair of metal fittings 16 inserted through the wide portions of the notches 7c, the engaging portions 16a are engaged with the width details of the notches 7c and the conductive metal 7b. The contact portion 7ba comes into contact with and can be electrically connected (conducted).

  The conducting metal fitting 7b is composed of an integrated metal fitting having a contact portion 7ba at one end and a base end portion 7bb at the other end, and the base end portion 7bb comes into contact with the conductive portion 7ab of the connection fitting 7a. It is electrically connected to the connection fitting 7a. Thus, the electric power from the ceiling outlet C is supplied to the motor 3 through the connection fitting 7a, and is also supplied to the lamp 8 through the connection fitting 7, the conductive portion 7ab, the fitting 16 and the cord H. It is like that.

  According to the above embodiment, since the motor 3 is disposed at a position offset from the center of the housing 1, a large space for installing the motor is not required on the upper portion of the housing 3, and the room with a relatively low ceiling can be used. The ceiling fan can be installed well. In other words, conventionally, since the motor is installed on the upper part of the housing on the rotation center axis of the blade member, the entire ceiling fan is positioned below by the installation space. On the other hand, according to the present invention, the motor is disposed at a position offset from the center of the casing 1 of the ceiling fan, so that the space for installing the motor is not required in the upper portion, and the ceiling fan is located closer to the ceiling T. It can be installed.

  A pair of metal fittings formed on the connector 11 of the lamp 8 has a connection metal fitting 7a capable of supplying electricity from the ceiling power supply C to the motor 3 while being engaged with the ceiling electric outlet C fixed to the ceiling T. Since the connector portion 7 is provided so that the electric power from the ceiling outlet C can be supplied to the electric lamp 8 while being engaged with the electric lamp 16, the electric power is supplied to both the electric lamp 8 and the motor 3 without adding the ceiling outlet C. Can be supplied.

  In addition, both the pair of metal fittings 16 of the connector 11 in the electric light 8 and the connection metal fittings 7a of the connector portion 7 in the main ceiling fan can be inserted into and locked into the notch 12 of the ceiling outlet C. Since the electrical connection (conduction) is also possible with respect to the conductive metal fitting 15, the existing electric lamp is removed from the ceiling outlet C, and instead the main fan is locked and connected to the ceiling outlet C. If the connector 11 of the existing electric lamp once removed is locked and connected to the connector portion 7, the existing electric lamp can be used as it is.

  Further, according to the present embodiment, the concave portion A opened downward is formed in the center of the housing 1, and the cord H of the lamp 8 is suspended from the center of the bottom surface Aa of the concave portion A. The connector 11 and the connector part 7 are hidden in the recess A, and the design can be improved. Moreover, when there exists the base end side cover 10 which covers the circumference | surroundings of the connector 11 of the electric light 8, the said base end side cover 10 will be accommodated in the recessed part A, and design nature can be improved further.

  As mentioned above, although this embodiment was described, this invention is not limited to this, For example, you may change arbitrarily the shape of the whole housing | casing 1, the number of blade members 2, etc., About the electric lamp 8 applied Various changes can also be made. The bearing 5 may be any type of bearing such as a ball bearing or a needle bearing, and may be a rotating bush or the like instead of the bearing 5.

  If the ceiling fan has a housing that houses a motor and a bearing that rotatably supports the blade member, and the motor is disposed at a position that is offset from the rotation center of the blade member, it has a different appearance or other functions It can also be applied to those to which is added.

The perspective view which shows the external appearance of the ceiling fan which concerns on embodiment of this invention Cross-sectional schematic diagram showing the ceiling fan Cross-sectional schematic diagram showing the connector part of the ceiling fan Bottom view and top view of the connector A bottom view and a top view showing a ceiling outlet applied to the ceiling fan Side view and top view showing a connector of an electric light applied to the ceiling fan

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Case 1a Fan cover 1b Fan base 2 Blade member 3 Motor 4 Urethane roller 5 Bearing 6 Rotating member 7 Connector part 7a Connection metal fitting 8 Electric light 9 Cover 10 Base end side cover 11 Connector 12 Notch 13 Insertion hole 14 Boss part 15 Conductive metal fitting 16 Metal fitting L Rotation center C Ceiling outlet A Recess Aa Bottom T T Ceiling H code

Claims (3)

In the ceiling fan provided with a plurality of blade members that are disposed in the vicinity of the electric lamp suspended from the ceiling and can be driven to rotate by a motor.
A ceiling fan comprising: a housing that houses a bearing for rotatably supporting the motor and the blade member; and the motor is disposed at a position offset from a rotation center of the blade member.   The ceiling fan according to claim 1, wherein a concave portion opened downward is formed at the center of the casing, and the cord of the electric lamp is suspended from the center of the bottom surface of the concave portion.   While having a connection fitting capable of being connected to a ceiling outlet fixed to the ceiling and supplying electricity from the ceiling outlet to the motor, the pair of fittings formed on the connector of the lamp is locked. 3. The ceiling fan according to claim 1, further comprising a connector portion that is conductive and capable of supplying electric power from the ceiling outlet to the lamp.

Images