TWI607469B - Fan - Google Patents

Description

fan

The present invention relates to a fan including an operating button on a housing that houses a circuit board.

Since the beginning, more features have been requested, easy to use for anyone, and include high-design, high value-added fans. High reliability is also required for fans. The user's direct touch and the conspicuous operation button section become an important part in improving design.

In the operation button unit, the number of buttons tends to increase as the function is increased, and a button is required to improve ease of use.

Patent Document 1 discloses a fan that inserts a key into a switch hub integrally formed with a casing. When the button is pressed, the switch hub supported by the thin portion is bent around the fulcrum to push the touch switch.

[Prior patent documents]

[Patent Literature]

[Patent Document 1] Japanese Patent No. 5452295

However, according to the conventional technique, since the thin portion is bent around the fulcrum, the push hub and the key are centered on the fulcrum. The button is tilted and the appearance is deteriorated. Further, since the thin portion is required to be thinly formed for bending, deformation is likely to occur after molding, and the button is easily inclined even in a state where it is not operated.

The present invention has been made in view of the above, and an object thereof is to provide a fan that prevents tilting of a button.

In order to solve the above problems and achieve the object, the present invention includes a blower portion including a motor and a fan, a pillar portion supporting the blower portion, and a fan supporting the base portion of the pillar portion. The base portion has a circuit board and is assembled. a touch switch; the outer casing is a receiving circuit board; the sheet material comprises an embossing portion and is adhered to the upper surface of the outer casing; and the button is fixed on the upper portion of the embossing portion; the touch opening relationship is to push the pressing portion It is disposed under the embossing portion and the button; the button button can press the pressing portion to the touch switch; the embossing portion includes the elasticity of pushing the depressed button to the original position.

The fan of the present invention has an effect of preventing the tilt of the button.

1‧‧‧Sheet material

1a‧‧‧The embossing department

1b, 2b, 2h, 6a, 7a‧‧‧ through holes

2‧‧‧ Shell

2a‧‧‧1st recess

2c‧‧‧screw

2d‧‧‧Tube

2e‧‧‧ recess

2f‧‧‧2nd recess

2g‧‧‧Apartment

3‧‧‧ button

3a‧‧‧Flange

3b‧‧‧ hub

3c‧‧‧ convex

3d, 6b‧‧‧ icon mark

4‧‧‧ boards

5‧‧‧Touch switch

5a‧‧‧Pushing Department

6‧‧‧ Spacer

7‧‧‧Decorative film

8‧‧‧floor

20‧‧‧ screws

100‧‧‧Air blower department

101‧‧‧ Pillars

102‧‧‧Base section

Fig. 1 is a perspective view of a fan according to a first embodiment of the present invention.

Fig. 2 is an exploded perspective view showing the base portion of the fan of the first embodiment.

Fig. 3 is a view showing a cross section of a fan including a button in the first embodiment.

Fig. 4 is a plan view showing a button of a fan of the first embodiment.

Fig. 5 is a plan view showing a spacer of a fan according to the first embodiment.

Fig. 6 is an exploded perspective view showing the base portion of the fan according to the second embodiment of the present invention.

Fig. 7 is a perspective view showing a sheet material of a fan according to a second embodiment.

Fig. 8 is a cross-sectional view showing a portion of a base portion of a fan of a second embodiment in an operation portion.

Fig. 9 is a bottom view of the button of the fan of the second embodiment.

Fig. 10 is a top view of the outer casing of the fan of the second embodiment.

Fig. 11 is a side view of the button of the fan of the second embodiment.

Fig. 12 is a cross-sectional view showing a portion of a base portion of a fan according to a third embodiment of the present invention in an operation portion.

Fig. 13 is a cross-sectional view showing the base portion of the fan of the third embodiment.

Fig. 14 is a cross-sectional view showing the base portion of the fan of the third embodiment.

Hereinafter, a fan according to an embodiment of the present invention will be described in detail based on the drawings. Further, the present invention is not limited by the embodiment.

First embodiment

Fig. 1 is a perspective view of a fan according to a first embodiment of the present invention. The fan according to the first embodiment includes a blower unit 100 including a motor and a fan, a pillar portion 101 that supports the blower unit 100, and a base portion 102 that supports the pillar portion 101. The operation portion 103 including the button 3 is provided to the base portion 102.

Fig. 2 is an exploded perspective view showing the base portion of the fan of the first embodiment. Fig. 3 is a view showing a section of a fan including a button of the first embodiment; Figure. The base portion 102 has a circuit board 4 that is assembled to receive a touch switch 5 operated by a user, and controls the blower unit 100; the outer casing 2 houses the circuit board 4; and the bottom plate 8 covers the bottom surface of the outer casing 2. Further, the base portion 102 has a sheet material 1 which is adhered to the operation portion 103 on the upper surface of the outer casing 2, a spacer 6 which is adhered to the upper surface of the sheet material 1, and a button 3 which conveys the user's operation. The pressing portion 5a of the touch switch 5 and the decorative sheet 7 cover the upper surface of the outer casing 2 and the spacer 6. The decorative sheet 7 is adhered to the outer casing 2 and the decorative sheet 7.

The display unit 4a that displays the setting contents and the operating state of the blower unit 100 is assembled to the circuit board 4. In the first embodiment, an LED (Light Emitting Diode) lamp is applied to the display unit 4a, but the display unit 4a is not limited to an LED lamp. That is, an organic electroluminescence display can also be used. The display portion 4a can be visually confirmed from the outside of the casing 2 through the through hole 2h penetrating the casing 2.

The sheet material 1 is formed of a material having water repellency. In the sheet material 1 , the embossed portion 1 a is provided at a position corresponding to the pressing portion 5 a of the touch switch 5 . The key button 3 is fixed to the embossed portion 1a of the sheet material 1. In the method of fixing the key button 3 to the embossed portion 1a, a method of adhesion, welding, mechanical fitting, or adhesion by double-sided tape can be applied, but is not limited to these methods. The flange portion 3a that does not penetrate the through hole 6a of the decorative sheet 7 is provided on the outer peripheral portion of the key button 3. The first recess 2a is formed on the upper surface of the outer casing 2. In the first recess 2a, the through hole 2b is provided at a position corresponding to the pressing portion 5a of the touch switch 5. The spacer 6 is provided at a position corresponding to the pressing portion 5a of the touch switch 5 by the through hole 6a through which the key button 3 is inserted. The thickness dimension of the spacer 6 is substantially equal to the sum of the depth dimension of the first recess 2a and the thickness dimension of the sheet material 1. The shape of the spacer 6 The outer shape of the first recess 2a of the outer casing 2 is the same. The spacer 6 is disposed in the first recess 2a of the outer casing 2. The decorative sheet 7 is provided at a position corresponding to the pressing portion 5a of the touch switch 5 so that the through hole 7a through which the flange portion 3a of the button 3 does not penetrate is provided. Since the upper surface of the flange portion 3a is not adhered to the decorative sheet 7, the key button 3 is not restricted by the decorative sheet 7, but can be pressed down.

The circuit board 4 is fixed to the hub 2c of the outer casing 2 with screws 20.

Fig. 4 is a plan view showing a button of a fan of the first embodiment. A pictorial symbol 3d indicating an operation function is set to the button 3. The symbol 3d is formed on the button 3 by printing or engraving.

Fig. 5 is a plan view showing a spacer of a fan according to the first embodiment. The spacer 6 is provided with the symbol 6b on the edge of the through hole 6a. The symbol 6b is the same as the figure 3d provided on the button 3 penetrating the through hole 6a.

When the button 3 is pressed, the pressing portion 5a of the touch switch 5 is pressed, and the circuit board 4 switches the function. When the force of pressing the button 3 is released, the button 3 is returned to the original position by the bounce of the embossed portion 1a of the sheet material 1. That is, the embossed portion 1a includes elasticity that pushes the depressed button 3 up to the original position.

In the fan of the first embodiment, since the key button 3 is fixed to the upper surface of the embossed portion 1a, the key button 3 is not inclined during the operation, and the design property can be prevented from being impaired. Further, since it is not necessary to provide the thin portion to the outer casing 2, deformation does not occur at the time of manufacture, and the inclination of the key button 3 in the non-operating state can be prevented, and the design property can be prevented from being impaired.

Further, in the fan of the first embodiment, since the sheet material 1 having water repellency is used, intrusion of water is prevented, and reliability can be improved. Again In order to eliminate the need to provide a thin portion to the outer casing 2, the structure is simple, and the manufacturing cost of the product can be suppressed. Further, since the sheet material 1 is not drilled, it is possible to prevent dust from entering from the portion of the key button 3.

Further, by providing the spacer 6 between the outer casing 2 and the decorative sheet 7, the decorative sheet 7 is supported by the spacer 6. Therefore, the decorative sheet 7 at the peripheral portion of the button 3 is pressed down. Also, the decorative sheet 7 will not be recessed.

Further, since the symbol 3d is provided on the key button 3, it is prevented that the key button 3 is erroneously placed in the through hole 6a at the time of manufacture.

Further, since the flange portion 3a of the button 3 is covered by the decorative sheet 7, dust can be prevented from entering from the through hole 7a, and the gap around the button 3 can be hidden, and the design can be improved.

Second embodiment

Fig. 6 is an exploded perspective view showing the base portion of the fan according to the second embodiment of the present invention. Fig. 7 is a perspective view showing a sheet material of a fan according to a second embodiment. Fig. 8 is a cross-sectional view showing a portion of a base portion of a fan of a second embodiment in an operation portion. In the fan of the second embodiment, the through hole 1b is provided in the embossed portion 1a of the sheet material 1. The hub portion 3b penetrating the through hole 1b is provided to the key button 3. The front end portion of the hub portion 3b of the key button 3 is located at a position in contact with the pressing portion 5a of the touch switch 5 provided on the circuit board 4. In the button 3, the convex portion 3c is further provided. The convex portion 3c penetrates the through hole 1b like the hub portion 3b. The tubular portion 2d through which the hub portion 3b is inserted is provided in the first recessed portion 2a of the outer casing 2.

Fig. 9 is a bottom view of the button of the fan of the second embodiment. Fig. 10 is a top view of the outer casing of the fan of the second embodiment. Fig. 11 is a side view of the button of the fan of the second embodiment. a shape to be fitted into the convex portion 3c The recess 2e is provided in the outer casing 2. The convex portion 3c and the concave portion 2e are formed in a shape in which only pairs of the pair are fitted to each other.

Here, the convex portion 3c is provided on the key button 3, and the concave portion 2e is provided in the outer casing 2. However, the concave portion may be provided on the key button 3, and the convex portion may be provided in the outer casing 2.

The above is the same as the first embodiment.

When the button 3 is pressed, the pressing portion 5a of the touch switch 5 is pushed by the hub portion 3b. It is detected that the circuit board 4 to which the pressing portion 5a is pressed performs control for switching the function in accordance with the pressed pressing portion 5a. When the force of pressing the button 3 is released, the button 3 is returned to the original position by the bounce of the embossed portion 1a of the sheet material 1.

In the case where the fan of the second embodiment is inclined on the upper surface of the embossed portion 1a, the button 3 is moved in a state in which the hub portion 3b penetrates the tubular portion 2d of the hole casing 2. Therefore, even if the upper surface of the embossed portion 1a is inclined, the inclination of the button 3 is corrected. Further, even when the interval between the outer casing 2 and the circuit board 4 changes according to the change in the size of the electronic component mounted on the circuit board 4, by changing the length of the hub portion 3b of the key button 3, the key button 3 can be secured. The contact of the pressing portion 5a of the touch switch 5, and a wide range of product design becomes feasible. Further, since the button 3 is only insertable by the recess 2e having a shape matching the shape of the convex portion 3c, the button 3 can be physically prevented from being placed at an erroneous position, and the occurrence of manufacturing defects caused by human error can be prevented. .

Third embodiment

Fig. 12 is a cross-sectional view showing a portion of a base portion of a fan according to a third embodiment of the present invention in an operation portion. In the third embodiment, the second recess 2f having a size substantially equal to the root of the embossed portion 1a is provided in the outer casing 2 as a button. The part below 3. The outer shape of the button 3 is smaller than the second recess 2f.

Further, a portion of the casing 2 that is below the key button 3 is provided at the abutting portion 2g where the button 3 is pressed by the button 3 to press the pressing portion 5a until the touch switch 5 operates.

Fig. 13 and Fig. 14 are cross-sectional views showing the base portion of the fan of the third embodiment. When the button 3 is pressed, as shown in Fig. 13, the upper surface of the embossed portion 1a is located at the same height as the surface of the outer casing 2 to which the sheet material 1 is adhered. Further, when the button 3 is pressed, as shown in Fig. 14, the embossed portion 1a is reversed and becomes convex at the lower side, and the button 3 abuts against the abutting portion 2g via the embossed portion 1a. When the button 3 abuts against the abutting portion 2g, the button 3 cannot be lowered.

In the third embodiment, since the operation stroke of the key button 3 can be set to be equal to or higher than the height of the embossed portion 1a, the height of the embossed portion 1a can be suppressed and the durability can be improved. Further, by making the stroke of the button 3 longer, the degree of freedom in design can be improved. Moreover, even when the user strongly presses the button 3, a strong force can be prevented from acting on the touch switch 5 and the circuit board 4, and the touch switch 5 and the circuit board 4 can be prevented from being damaged.

The configuration shown in the above embodiments is an example of the present invention, and may be combined with other well-known techniques, and a part of the configuration may be omitted or changed without departing from the scope of the present invention.

1‧‧‧Sheet material

1a‧‧‧The embossing department

2‧‧‧ Shell

2a‧‧‧1st recess

2c‧‧‧screw

2b, 6a, 7a‧‧‧through holes

3‧‧‧ button

3a‧‧‧Flange

3b‧‧‧ hub

4‧‧‧ boards

5‧‧‧Touch switch

5a‧‧‧Pushing Department

6‧‧‧ Spacer

7‧‧‧Decorative film

20‧‧‧ screws

Claims (8)

A fan includes: a blower unit including a motor and a fan; a pillar portion supporting the blower portion; and a base portion supporting the pillar portion; wherein the base portion has a circuit board that is assembled and touched a control switch; the outer casing is a receiving circuit board; the sheet material comprises an embossing portion and is adhered to the upper surface of the outer casing; and a button is fixed on the embossed portion; the touch opening relationship is pushed The pressing portion is disposed under the embossing portion and the button; the button button can press the pressing portion to the touch switch; the embossing portion includes pushing the button to be pushed up The elasticity to the original position. The fan of claim 1, wherein the button comprises a hub portion underneath; the embossing portion includes a through hole through which the hub portion extends: the outer casing includes the hub portion inserted to be movable The tube. The fan of claim 2, wherein the plurality of buttons have a plurality of the buttons; each of the plurality of buttons respectively includes a convex portion under the cover; the outer casing includes a plurality of concave portions corresponding to the convex portions of the plurality of the button buttons The sheet material includes a through hole through which the convex portion penetrates; the convex portion and the concave portion are shaped to correspond to each other only. The fan of claim 2, wherein the fan has a plurality of the buttons; Each of the plurality of button buttons respectively includes a recessed portion; the outer casing includes a plurality of convex portions corresponding to the plurality of concave portions of the button; the sheet material includes a through hole through which the convex portion penetrates; the convex portion and The shape of the recess is a shape in which only the counterparts can be fitted to each other. A fan according to claim 1, wherein a spacer for supporting the decorative sheet is provided between the outer casing and the decorative sheet. A fan of claim 5, wherein the spacer comprises the same pictogram as the graphical symbol represented by the button. A fan according to claim 1, wherein the outer casing is provided with a recess having a larger outer shape than the button, and a portion below the button. The fan of claim 7, wherein the outer casing is under the button, and the abutting portion is abutted after the button pushes the pressing portion to the touch switch. .