JP3171952U - DC fan - Google Patents

Abstract

A DC fan having a plurality of unit fans and capable of controlling a wind direction and a blower range is provided. A DC fan is a fan that is placed at an arbitrary place to lower the ambient temperature, and includes a base 1, and a plurality of motors that are at a predetermined height and are laid upward with a drive motor installed therein. By driving the inner and outer tube members 5 and the like engaged with the layers to perform reciprocating rotation, the air is blown to a predetermined range by the unit fan assembly 6 provided between the inner and outer tube materials at the same time. In addition, the unit fan assembly installed in each inner and outer tube material is manually adjusted to the required air blowing direction, and when the fan 8 is used, the adjustment of the air blowing range and the control of the setting are automatically performed according to individual needs Can be done automatically. [Selection] Figure 1

Description

The present invention relates to a DC fan, and in particular, is a fan that is placed in an arbitrary place to lower the ambient temperature. In use, each unit fan that is installed at a predetermined interval through an outer tube rotated by a drive motor is used. The present invention relates to automatically adjusting the blowing direction and setting control when using a fan by performing necessary blowing or manually adjusting a predetermined blowing direction.

The shape of a fan that is currently placed indoors or outdoors and lowers the ambient temperature is extremely diversified, including a single fan assembly swinging within a predetermined range at the location, or blowing in a certain direction, or multiple Each of the parallel DC fan units is installed in a housing with a predetermined shape, and the rotational speed and blowing angle of each individual fan unit is adjusted, or multiple parallel unit fans are installed on an existing support member. For adjusting the wind direction range and blowing direction of the unit fan.

The single fan assembly or the plurality of unit fan assemblies can adjust the setting direction or the required air volume in use. However, when the direction is adjusted by a plurality of unit fan assemblies, it is necessary to rely on driving of the motor shaft center. In other words, the wind direction cannot be adjusted manually.

The present invention improves the defects existing when adjusting the direction of an existing fan that lowers the temperature, and allows each unit fan installed at a predetermined interval to perform necessary air blowing through an outer tube rotated by a drive motor. Alternatively, by manually adjusting a predetermined air blowing direction, it is intended to automatically adjust the air blowing direction and perform setting control when the fan is used.

The main object of the present invention is to provide a base and drive a reciprocating rotation by driving a plurality of layers of inner and outer pipes engaged with each other at a predetermined height constructed with a drive motor installed inside. At the same time, the unit fan assembly installed between the inner and outer tube materials is blown to a predetermined range, and the unit fan assembly installed on each inner and outer tube material is manually blown in the required blowing direction. It is an object of the present invention to provide a fan that can be adjusted to automatically adjust the air blowing range and control the setting according to the needs of the individual when using the fan.

The second object of the present invention includes a drive motor incorporated in the base, and transmits the power of the drive motor to the lining material having a plurality of recesses by the connecting material, and further fits to the lining material. Power is transmitted to the inner tube material between the unit fan assemblies via the lower tube material having a plurality of convex portions formed on the inner peripheral edge, and each inner tube material is engaged with the adjacent upper and lower outer tube materials. In this case, the engaging portion extending from the upper and lower ends is engaged with the recessed portion at the corresponding position of the outer tube material, so that the inner and outer tube materials to be engaged are rotated at the same time, so that the structure between each inner tube material and the outer tube material is obtained. It is an object of the present invention to provide a fan in which a unit fan assembly provided can receive a power drive of a drive motor and perform reciprocating air blowing within a predetermined range.

A third object of the present invention is to provide a predetermined range of grooves between the inner pipe members in which the unit fan assembly is constructed, and to properly engage the convex portions at corresponding positions of the unit fan assembly. In order to be able to stop, a concave hole with a substantially protruding left and right side is formed in the groove, and the unit fan assembly set in advance by hand according to the direction in which the user wants to blow air is moved. An object of the present invention is to provide a fan in which a unit fan assembly receives a power drive of a driving motor and blows air to a required range when it is removed and moved to a central position of a predetermined blowing range.

A fourth object of the present invention is to provide a good connection site between the inner and outer tube materials by fitting an elastic ring to a connection site between the upper and lower outer tube materials adjacent to the inner tube material on which each unit fan assembly is constructed. An object of the present invention is to provide a fan that can be engaged in any direction.

The fifth object of the present invention is to construct each unit fan assembly, and to change the air volume of each unit fan assembly and the switch switching on the upper stage of the interconnected inner and outer pipes laid from the base. It is providing the electric fan by which the press unit 7 for controlling is constructed.

The sixth object of the present invention is to drive each unit fan assembly by driving the eccentric motor, and transmitting the power to the adjacent lining material and lower pipe by the movable arm connected to the shaft center of the eccentric motor. It is an object of the present invention to provide a fan capable of transmitting rotation of a set direction of a motor to each unit fan assembly and simultaneously performing reciprocating left and right swing motions.

  In order to achieve the above object, an electric fan placed at an arbitrary place according to the present invention for lowering the ambient temperature is provided with a base, and has a predetermined height that is laid upward by installing a drive motor therein. By driving reciprocating rotation by driving inner / outer pipes engaged in multiple layers, air is blown to a predetermined range by a unit fan assembly installed between the inner / outer pipes at the same time.・ Adjust the unit fan assembly installed on the outer tube manually to the required air blowing direction, and automatically adjust the air blowing range and control the settings according to the individual needs when using the fan. Can do.

It is a DC fan external appearance three-dimensional view of the present invention. It is a component member exploded view of DC fan of the present invention. It is a DC fan front view of the present invention. It is AA sectional drawing of FIG. It is an AA cross section detail drawing of FIG. It is BB sectional drawing of FIG. FIG. 4 is a detailed sectional view taken along the line BB in FIG. 3. It is CC sectional drawing of FIG. It is CC sectional detail drawing of FIG. It is DD sectional drawing of FIG. It is DD sectional detail drawing of FIG.

This will be described with reference to FIGS. 1 and 2 show a DC fan according to the present invention. The electric fan 8 includes a plurality of interconnected inner and outer pipe members 4 and 5 laid on the base 1, a unit fan assembly 6 installed between the inner pipe members 4, and a plurality of unit fan assemblies 6. And a pressing unit 7 that is connected to the adjacent upper end of the inner pipe member 4 that controls the air volume and switch switching of the unit fan assembly 6.

As shown in FIG. 2 and FIG. 3, the unit fan assembly 6 installed between the power unit incorporated between the bases 1 and the inner and outer pipe members 4 and 5 connected to each of the plurality of layers includes a base unit. A base 11 on which the table 1 is placed, a drive motor 12 installed in the base 1 (the drive motor is an eccentric motor), and a movable arm 13 connected to an axis 121 of the drive motor 12 (FIG. 5). The motive power is transmitted to the lining material 2 whose periphery is formed by a plurality of recesses 21 by the connecting material 14, and a plurality of projections 31 are formed on the inner peripheral edge for fitting between the lining materials 2. Power is transmitted via the pipe 3 to the inner pipe 4 (FIGS. 7, 9, and 11) provided between the unit fan assemblies 6. As shown in FIG. 2, when each inner tube member 4 engages with the lower tube member 3 in the adjacent stage or the outer tube member 5 in the adjacent upper and lower stages, the locking portion 41 extending from the upper and lower ends of the inner tube member 4 is provided in the lower tube member 3. Alternatively, the inner tube member 4 and the lower tube member 3 or the inner tube member 4 and the outer tube member 5 which are engaged by engaging with the recesses 32 and 51 at the corresponding positions of the outer tube member 5 are rotated simultaneously, so The unit fan assembly 6 installed between the pipe members 5 can be driven by the drive motor 12 to perform reciprocating air blowing within a predetermined range.

In addition, a predetermined range of grooves 42 (FIGS. 2 and 7) are provided between the inner pipe members 4 on which the unit fan assembly 6 is provided, and the convexity of the pipe section 61 at the corresponding position of the unit fan assembly 6 is provided. In order to allow the portion 62 to be properly locked therein (FIG. 9), a concave hole 43 is formed in the groove 42 with the left and right sides projecting substantially. An elastic ring 52 is fitted in the connecting portion of the upper and lower outer pipe members 5 adjacent to the inner pipe member 4 in which each unit fan assembly 6 is constructed (FIG. 2), and the connecting portions of the inner and outer pipe members 4 and 5 are good. Can be engaged in any direction. Next, each unit fan assembly 6 is installed, and a pressing unit 7 is installed on the upper stage of the inner and outer tube members 4 and 5 that are connected to each other in a plurality of upward layers constructed from the base 1. Controls air volume and switch switching.

This will be described with reference to FIGS. 3, 4, and 5. When using the electric fan 8 comprising the base 1 incorporating the drive motor 12 in the above, a plurality of layers of interconnecting inner and outer pipe members 4 and 5, a plurality of unit fan assemblies 6 and a pressing unit 7, The pressing unit 7 at the upper end of the fan 8 is pressed by hand to activate the power of the driving motor 12, and the driving motor 12 transmits the power to the adjacent lining material 2 and lower pipe material 3 (FIG. 5) through the movable arm 13. Then, the drive motor 12 is rotated in a set direction (the swing angle in this direction is a swing motion of 30 degrees on the left and right) and transmitted to each unit fan assembly 6 for simultaneous reciprocating left and right swings (FIG. 6). 7, a lower unit fan assembly shown in FIGS. 8 and 9, an intermediate unit fan assembly shown in FIGS. 8 and 9, and an upper unit fan assembly shown in FIGS. 10 and 11. As shown in FIG. 9, each unit fan assembly 6 engages the convex portion 62 inside the pipe section 61 on one side with the concave hole 43 corresponding to the groove 42 of the inner tube material 4, and engages with the lower tube material 3. When the inner pipe members 4 to be combined are rotated by the drive motor 12, they simultaneously reciprocate left and right, and the unit fan assembly 6 provided therein is also swung and blown within a predetermined range.

In addition, a description will be given with reference to FIGS. As shown in FIGS. 7 and 11, when the user blows air only in a part of the range, the user moves the unit fan assembly 6 (for example, the upper, middle or lower unit fan assembly) set by hand, The convex portion 62 is removed from the concave hole 43 of the inner tube material 4 and moved to the center position of the predetermined air blowing range of the groove 42 (the groove is adjusted in the direction of 90 degrees left and right), and the unit fan assembly 6 is moved. However, when the fan 8 is used, the fan 8 can be blown to a desired range, and the fan 8 can be automatically adjusted and adjusted according to the individual needs when the fan 8 is used.

DESCRIPTION OF SYMBOLS 1 Base 11 Base 12 Drive motor 121 Axis center 13 Movable arm 14 Connecting material 2 Lining material 21 Recess 3 Lower tube material 31 Convex part 32 Concave part 4 Inner pipe material 41 Locking part 42 Groove 43 Concave hole 5 Outer pipe material 51 Concave part 52 Elastic ring 6 Unit fan assembly
61 Pipe section 62 Convex 7 Pressing unit 8 Fan

Claims (6)

A DC electric fan having a base and driving a reciprocating rotation by driving inner and outer tubes of a plurality of layers at a predetermined height that are installed upward and have a drive motor installed inside. Thus, the unit fan assembly installed between the inner and outer tube materials is simultaneously blown to a predetermined range, and the unit fan assembly installed on the inner and outer tube materials is required manually. A DC fan that is adjusted in the air blowing direction and can automatically adjust the air blowing range and control the setting according to individual needs when the fan is used. Including a drive motor incorporated in the base, and transmitting the power of the drive motor to a lining material having a plurality of recesses in the periphery by a connecting material, and a plurality of protrusions on the inner peripheral edge for fitting with the lining material When the power is transmitted to the inner pipe member between the unit fan assemblies via the lower pipe member in which the part is formed, and the inner pipe members engage with the outer pipe members of the adjacent upper and lower stages, the upper and lower ends The engaging portion extending from the inner tube member is engaged with the recessed portion at the corresponding position of the outer tube member, so that the inner and outer tube members engaged with each other are rotated at the same time. 2. The DC fan according to claim 1, wherein the unit fan assembly provided is capable of performing a reciprocating air flow within a predetermined range by being driven by a driving motor. 3. A groove in a predetermined range is provided between the inner pipe members provided with the unit fan assembly, and the protrusions at corresponding positions of the unit fan assembly can be appropriately locked therein. In the left and right sides, a concave hole having a substantially projecting shape is formed, and the unit fan assembly set in advance is moved by hand according to the direction in which the user wants to blow air, and the convex portion therein is removed from the concave hole of the inner tube material. 3. The DC fan according to claim 2, wherein when the unit fan assembly is moved to a center position within a predetermined air blowing range, the unit fan assembly receives the power drive of the drive motor and blows air to a necessary range. An elastic ring is fitted to a connecting portion of the upper and lower outer pipe materials adjacent to the inner pipe material in which each unit fan assembly is constructed, thereby engaging the connecting portions of the inner and outer tube materials in a favorable direction. The DC fan according to claim 2, wherein: A pressing unit for controlling the air volume and switch switching of each unit fan assembly on the upper and lower inner pipe members that are connected to each other in a plurality of upward layers constructed from the base by connecting each unit fan assembly. 7. The DC fan according to claim 1, wherein 7 is constructed. The drive motor that drives each unit fan assembly is an eccentric motor, and power is transmitted to the adjacent lining material and the lower tube material by a movable arm connected to the shaft center of the eccentric motor, and the setting of the drive motor 3. The DC fan according to claim 2, wherein the rotation in the determined direction can be transmitted to each unit fan assembly to simultaneously perform reciprocating left and right swing motions.