TWI687597B - Improvement of electric fan structure - Google Patents

Abstract

An improved structure of an electric fan is mainly provided with a horizontal accommodating cavity at a position of the electric fan, and an inlet for laterally embedding a remote control of the electric fan into the accommodating cavity. The interior of the accommodating cavity is provided with an elastic element on one of the horizontal cavity walls. The elastic element can push the electric fan remote control tightly in the accommodating cavity, so that the electric fan remote control is not easy to slip off; The fan has a handle located above the motor housing. The handle faces the fan net end and is provided with a compartment in which a power converter is fixed. When the electric fan is started, the heat generated by the power converter starts. It can be driven by the suction of the electric fan to quickly discharge and quickly reduce the temperature of the power converter to extend the service life.

Description

Improvement of electric fan structure

The present invention relates to an improvement of the structure of an electric fan, especially a remote control of an electric fan is accommodated laterally in the accommodating cavity at a position of the electric fan and is pushed by an elastic member and clings to the cavity wall of the accommodating cavity without slipping. Moreover, the power converter is arranged in the handle facing the fan-net end, which can quickly dissipate heat to extend the service life.

Press, there is a conventional electric fan above the motor case, a horizontal handle is provided in the air, so that the handle can be used for carrying the electric fan, and the touch panel that controls the operation of the electric fan can be provided on the handle The top surface of the switch is convenient for controlling the switch. In addition to the configuration of the touch panel, the electric fan with a handle is also developed to be equipped with a remote controller, and the electric fan is controlled by a dual control mode of touch control and remote control. Moreover, in order to supply power for the touch panel, a power converter must also be provided. However, the conventional electric fan has the following defects in use, which needs to be improved.

1. It is known that the placement slot for storing the remote control is mostly exposed and the slot is facing upwards, so that the remote control is placed into the placement slot from top to bottom. Such as Taiwan patent number: M533131, M515037 and so on. Although another Taiwan patent number: the remote control of the M478750 patent case is placed horizontally, but it is provided with a receiving slot in the head seat, the notch of the receiving slot is facing upward and the caliber is equivalent to the outer diameter of the remote control, so that the remote control The device can be placed from the top down and placed in the storage tank, and also placed from the top down. When the remote control is removed and not placed back to the original placement slot, the placement slot is exposed separately, destroying the appearance integrity of the electric fan.

2. The above power converter is easy to generate heat when it is started. If the generated heat is not discharged and the surrounding area becomes high temperature, the power converter is likely to malfunction due to the high temperature environment, or even affect the service life. Life. For example, the Taiwanese Patent No. M533132 "Modular Electric Fan Assembly Structure" patent case, the power converter is installed at the rear end of the motor housing, covered by a shell, although the shell is provided with heat dissipation holes, but because of the installation position Near the motor, when the motor is started, it will also generate high temperature, resulting in ineffective cooling effect of the power converter, affecting the service life.

In view of the above-mentioned shortcomings in the application of the conventional electric fan that need to be improved, the inventors have made improvements in design, and the invention has been produced.

The main purpose of the present invention is to provide an electric fan in which a remote controller is placed and hidden in a horizontal accommodating cavity, and can be fastened without slipping.

Another object of the present invention is to provide an electric fan that can cause the high temperature generated when the power converter is started and can quickly discharge and cool down to increase the service life.

The main feature of the present invention is that, at a position on the body of the electric fan, a horizontal accommodating cavity is recessed for accommodating the remote controller. One of the horizontal cavity walls inside the accommodating cavity is configured with a The elastic member can push the remote controller tightly against the accommodating cavity, so that the remote controller is not easy to loosen and fall off.

Another feature of the present invention is that a handle is provided above the motor casing of the electric fan. The handle faces the fan net end of the electric fan and is provided with a compartment in which the power converter is fixed. When the electric fan starts, the high temperature generated by the start of the power converter can be driven by the suction force after the start of the electric fan to quickly discharge, so as to quickly reduce the temperature of the power converter and extend the service life.

1: electric fan

10: Base

20: riser

30: fan head

31: Motor housing

310: front shell

311: Rear shell

32: Motor

33: handle

34: fan net

35: Fan blade

330: box body

331: upper cover

332: containment cavity

3320: Entrance

3321: cavity wall

3322: Arc angle

333: Elastic piece

3330: top block

3331: Push the noodles

40: Remote control

334: Positioning Room

3340: touch circuit board

3310: Touch panel

335: compartment

41: Power converter

3350: cooling hole

3351: Air inlet

Figure 1 is a perspective view of an embodiment of the present invention.

Figure 2 is a rear perspective view of an embodiment of the present invention.

Figure 3 is a side view of an embodiment of the present invention.

FIG. 4 is a perspective view of the position of the fan head according to an embodiment of the present invention.

FIG. 5 is an exploded perspective view of the position of the fan head according to an embodiment of the present invention.

6 is a cross-sectional view of the position of the fan head according to an embodiment of the present invention.

7 is a cross-sectional view of the position of the fan head (including a remote controller) according to an embodiment of the present invention.

FIG. 8 is a cross-sectional view of the position of the fan head according to the embodiment of the present invention (without the remote controller).

9 and 10 are respectively a plan view and a bottom exploded view of the accommodating cavity provided on the base according to an embodiment of the present invention.

FIG. 11 is a structural diagram of the accommodating cavity provided in the fan head according to an embodiment of the present invention.

FIG. 12 is a foolproof structure diagram of an accommodating chamber according to an embodiment of the present invention.

Regarding the present invention, in order to achieve the above-mentioned objects and effects of the invention, the following examples are illustrated in conjunction with the drawings, which are explained below.

Please refer to FIGS. 1 to 6. The electric fan 1 according to an embodiment of the present invention includes a base 10, a stand pipe 20 and a fan head 30. The stand pipe 20 is used to connect the base 10 and the fan head 30. The fan head 30 has a motor housing 31 composed of a front housing 310 and a rear housing 311. A motor 32 ( As shown in Fig. 6); a horizontally extending handle 33 is provided above the motor housing 31, and the middle and the rear end of the handle 33 are vacant, and there is a clearance distance from the motor housing 31. The front end of the motor casing 31 is provided with a net 34 having a blade 35 inside, which can be driven and rotated by the motor 32. among them

The handle 33, as shown in FIG. 5, is composed of a box body 330 and an upper cover 331. The front end of the box body 330 is the same as the front case 310, and is formed by extending the top end of the front case 310 upward and then horizontally extending backward. The bottom of the box body 330 is recessed at the bottom with a horizontally extending receiving cavity 332, The inlet 3320 faces the rear of the electric fan 1 (that is, toward the horizontal direction), so that the inlet 3320 can be pushed laterally into a remote control 40 into the accommodating cavity 332 for storage. One of the horizontal cavity walls 3321 inside the receiving cavity 332 (in this embodiment, the bottom cavity wall is taken as an example) is configured with an elastic member 333 extending uniformly from the cavity wall 3321, except for the elastic member 333 The side away from the inlet 3320 end is connected to the cavity wall 3321, and there is a gap between the other side and the cavity wall 3321, so that the elastic member 333 has a longitudinal elastic force pushing toward the inside of the receiving cavity 332. The elastic member 333 is close to the end of the inlet 3320 and is provided with a top block 3330 toward the inside of the accommodating cavity 332. The top of the top block 3330 has an inclined pushing surface 3331. When the remote control 40 is pushed into the accommodating cavity 332 from the entrance 3320, the bottom surface of the remote control 40 can smoothly pass through the pushing surface 3331, and the elastic member 333 is slightly pressed outward when the remote control 40 extends into When positioning in the accommodating cavity 332, the elastic member 333 and its top block 3330 will return to their original positions, against the remote control 40 to be positioned in the accommodating cavity 332, so that the remote control 40 is not easily slipped out of the accommodating cavity 332.

The handle 33 is located above the accommodating cavity 332 and is provided with a positioning room 334. The interior of the positioning room 334 is for a touch circuit board 3340 (see FIG. 6) to be placed and fixed; the top surface of the upper cover 331 should touch At the position of the control circuit board 3340, a touch panel 3310 is provided. The touch panel 3310 can control the operation of the electric fan 1 by being touched.

The handle 33 is located at the end of the fan net 34 facing the electric fan 1, and is provided with a compartment 335 (as shown in FIGS. 5 to 8). The compartment 335 is used to fix a power converter 41, and the compartment 335 faces the fan net The wall surface at the 34 end is provided with a heat dissipation hole 3350; a corner of the bottom surface of the compartment 335 (that is, a position opposite to the heat dissipation hole 3350) is provided with an air inlet hole 3351, which is separated from the handle 33 When the electric fan 1 starts, the high temperature generated by the power converter 41 can be driven by the suction of the fan blade 35 after the electric fan 1 starts, and the air is quickly taken in through the air inlet 3351, and then the hot air is discharged through the heat dissipation hole 3350. Emissions to quickly reduce the temperature of the power converter 41 and extend the service life.

When the above components are combined in sequence, when the remote control 40 is to be placed, one end of the remote control 40 is pushed into the receiving cavity 332 from the inlet 3320, the remote control 40 then passes through the pushing surface 3331 and moves the elastic member 333 push down. After the remote control 40 penetrates deep into the accommodating cavity 332 and is positioned, the elastic member 333 exerts upward force on the remote control 40 by itself, so that the remote control 40 is fastened by the elastic member 333 Positioning, not easy to slip away from the containing cavity 332.

The power converter 41 is located in the compartment 335. The compartment 335 is located behind the fan mesh 34, and the end facing the fan mesh 34 is provided with a heat dissipation hole 3350, and the other opposite end is provided with an air inlet hole 3351, so that the power converter The high temperature generated after the 41 is started can be driven by the suction force of the fan 35 to start rotating, and is quickly discharged from the heat dissipation hole 3350 to reduce the temperature of the power converter 41 to extend the service life.

Secondly, as shown in FIGS. 9, 10, and 11, the accommodating cavity 332 can be installed at other positions of the body of the electric fan 1 in addition to the position of the handle 33, such as the base 10 (see FIGS. 9, 10 ) Or the fan head 30 (as shown in FIG. 11) position.

Please refer to FIG. 12, in order to avoid that the remote control 40 is pushed into the accommodating cavity 332, the keys of the remote control 40 are caught by the top block 3330 of the elastic member 333 due to the reverse of the upper and lower faces, so that the remote control 40 is not easy to push When entering the accommodating cavity 332 or the keys are worn, an arc angle 3322 is provided on both sides of the inner bottom surface of the accommodating cavity 332, and the opposite side of the remote control 40 is also configured with an arc angle, so that the arc angle 3322 constitutes a foolproof structure, When the remote control 40 is to be pushed into the accommodating cavity 332, it needs to be pushed when the keys are facing upward, so as to protect the keys of the remote controller 40, and the user can easily push the remote controller 40 into the accommodating cavity 332.

Therefore, as can be seen from the above description, the present invention has at least the following effects.

1. The remote controller 40 is placed in the horizontal accommodating cavity 332 provided in the body of the electric fan 1, and is fastened by an elastic member 333, which is not easy to slip off.

2. The power converter 41 is positioned in the compartment 335 of the handle 33 adjacent to the fan net 34, so that the high temperature generated by the power converter 41 starting can be quickly discharged through the starting suction of the electric fan 1 to extend the power converter 41 lifespan.

In summary, the present invention is not only novel, but also industrially usable. The invention patent application is filed in accordance with the law, and we are eager to examine and approve the patent.

310: front shell

33: handle

330: box body

331: upper cover

332: containment cavity

3320: Entrance

3321: cavity wall

333: Elastic piece

3330: top block

3331: Push the noodles

40: Remote control

334: Positioning Room

3310: Touch panel

335: compartment

3350: cooling hole

3351: Air inlet

Claims (5)

An improvement of the structure of an electric fan is that the body of the electric fan is provided with a horizontal accommodating cavity, the accommodating cavity has an entrance with a lateral opening, and the accommodating cavity is used for a remote control to be pushed into the lateral accommodating; A horizontal cavity wall of the accommodating cavity is provided with an elastic element, the elastic element has a longitudinal elastic force pushing toward the interior of the accommodating cavity, and the elastic element is the same body as the horizontal cavity wall, and the elastic element has at least one side and In addition to the connection of the cavity wall, there is a gap between the other side and the cavity wall; the elastic member has a top block near the entrance end toward the end of the accommodating cavity, and a pushing surface of the top block of the top block is inclined, the The pushing surface is thinner near the entrance end, and then gradually protrudes thicker. The structure of the electric fan according to claim 1 is improved, wherein both sides of the inner bottom surface of the accommodating cavity are provided with arc angles, and the opposite sides of the remote controller are also configured with arc angles to form a foolproof structure. The improvement of the structure of the electric fan according to claim 2, wherein the accommodating cavity is provided on a motor casing of the electric fan. The improvement of the electric fan structure according to claim 2, wherein the accommodating cavity is provided on a hand provided above a motor casing of the electric fan. The improvement of the electric fan structure according to claim 2, wherein the accommodating cavity is provided on a base of the electric fan.

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