JP2002313173A - Integrally molded button structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an integrally molded button structure with reduced number of parts, preventing permeation of water or the like from outside, and preventing erroneous switching-on which happens when another part other than a button part of an upper case is pushed. SOLUTION: A button part 3 of the integrally molded button structure, turning on a switch by pushing the button part 3 formed on an upper case 2 of an electronic device 1 having waterproof function preventing the permeation of water or the like by the upper case 2 and a lower case 21, is integrally molded to the upper case 2 of the electronic device 1 without forming any grooves preventing water permeation or the like. The wall thickness of the button part 3 is made to have an elasticity by forming thinner than the upper case 2, and the button part 3 is jointed to the upper case 2 with a smoothly curved surface, and made to curve in convex-shape. A protrusion part 6 is formed on the upper case 2 which holds the button part 3 so as not to be pressed by the influence of the pushing of the upper case 2 even if an another part than the button part 3 on the upper case 2 is pushed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an integrally molded button structure, and more particularly to an integrally molded button structure used for a call button or the like and for performing a button pressing operation.

[0002]

2. Description of the Related Art Conventionally, as an integrally molded button structure applied to electronic devices such as telephones and intercoms, an integrally molded button structure as shown in FIGS. 2 (a), 2 (b) and 2 (c) has been used. Are known.

[0003] This integrally molded button structure is composed of an upper case 1
02, a plate 107 is adhered to the upper case 102 of the electronic device 100 having a waterproof function of preventing intrusion of water or the like by the lower case 121, and a button made of characters or numerals such as "call" is provided on the plate 107. The unit 108 is printed at a predetermined position. Also, in the upper case 102,
A substrate 111 on which a switch 104 that is turned on by pressing the button unit 108 is mounted. Further, a switch pressing protrusion 110 for pressing against the switch 104 is provided at a position of the upper case 102 where the button 108 printed on the plate 107 is to be located.
And the switch 104 to the button section 108 of the plate 107.
A molded spring 106 is formed integrally with the upper case 102 so as to be able to be pushed in with a groove, and a groove 109 penetrating the outer periphery of the molded spring 106 is provided to bend the molded spring 106 (FIG. 2 (b)).

[0004] In the electronic device 1 having the button structure of the integrally formed type having such a configuration, when the button portion 108 of the plate 107 is pushed in the direction of the arrow B (FIG. 2).
(C)) Since the forming spring 106 of the upper case 102 is bent and the switch pressing protrusion 110 is pressed toward the switch 104, the switch 104 is turned on. After the switch 104 is turned on, the button unit 108
When the user releases the button 108, the button 108 returns to its original state by the elastic force of the formed spring 106 of the upper case 102.

[0005]

However, in such an integrally molded button structure, a plate 107 is required for printing the button portion 108, and a groove 109 is formed on the outer periphery of the molded spring 106. Even if the plate 107 is attached, water and the like from the outside
02. Further, the plate 107
Even if a button other than the button 108 is pressed, the molded spring 106 may be bent in this structure.
N was likely to occur.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. The number of parts is reduced, water and the like are prevented from entering from outside, and a portion other than the button portion of the upper case is also provided. It is an object of the present invention to provide an integrally molded button structure in which the switch is not turned on even if the button is accidentally pressed.

[0007]

According to a first aspect of the present invention, there is provided an integrated molded button structure provided on an upper case of an electronic device having a waterproof function for preventing water or the like from entering by an upper case and a lower case. An integrated molded button structure that turns on the switch by pushing the button part,
The button part is molded integrally with the upper case of the electronic device without providing grooves, etc. to prevent intrusion of water etc., and the button part is thinner than the upper case and has elasticity, and the upper case has a smooth curved surface shape And the button portion is further curved in a convex shape.

According to such an integrally molded button structure, the button portion is formed integrally with the upper case so as to be resilient to a pushing operation, so that the number of parts is reduced and water or the like from the outside enters. Can be prevented.

[0009] Further, in the integrally molded button structure of the present invention, the upper case is held in such a manner that when the portion other than the button portion of the upper case is pushed, the button portion is not pushed in conjunction with the pushing of the upper case. That is, a projection is provided. As a result, even if a part other than the button part of the upper case is erroneously pressed, the switch is not turned on because the projection part holds the button part so as not to be pressed in conjunction with this pressing operation.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an integrally molded button structure according to the present invention will be described below in detail with reference to the drawings.

An integral molded button structure according to a preferred embodiment of the present invention, as shown in FIGS.
The switch 4 is pressed by pressing the button 3 provided on the upper case 2 of the electronic device 1 having a waterproof function of preventing intrusion of water or the like by the upper case 2, the lower case 21, and the rubber packing 22 inserted therebetween. It is to be turned ON. The upper case 2 has a substrate 13 on which the switch 4 is mounted.

The button portion 3 is provided on the upper case 2 of the electronic device 1 without providing a groove or the like for preventing intrusion of water or the like.
And are integrally formed. The button portion 3 has a thinner shape than the thickness of the upper case 2 and has elasticity.
The upper case 2 is connected to the upper case 2 by a smooth curved surface shape 5. The button portion 3 is curved in a convex shape on the pushing side indicated by an arrow A in FIG. 1B so that the position of the button portion 3 can be easily understood. The switch pressing protrusion 12 for pressing is formed so as not to impair the elastic force. Further, characters and numerals 11 such as “call” are printed on the button unit 3 so that the position of the button unit 3 can be easily understood.

The upper case 2 has a projection 6 for holding the button 3 so as not to be pushed in conjunction with the pushing of the upper case 2 when a portion other than the button 3 of the upper case 2 is pushed. Is provided. The protrusion 6 has a shape such that when a portion other than the button portion 3 is pushed in, the button portion 3 is brought into contact with the substrate 13 and held before the switch pushing projection 12 comes into contact with the switch 4 in conjunction with the button portion 3. It is formed in length.

The material of the upper case 2 in which the button portion 3 is integrally formed is AB in order to impart elastic force to the button portion 3 and increase the strength of the case.
Thermoplastic resins such as S resin and polycarbonate (PC) are preferred.

When the button 3 of the upper case 2 is pushed in the direction of the arrow A in the electronic device 1 having the integrally formed button structure configured as described above, the thickness of the button 3 having a curved convex shape is reduced. The button part 3
Since the switch pressing projection 12 integrated with the switch 4 is pressed toward the switch 4, the switch 4 is turned ON. After the switch 4 is turned on, the button 3
When the button is released, the button portion 3 is bent in a thin-walled shape to generate a resilient force, and the button portion 3 returns to the original state.

Further, even if a portion other than the button portion 3 of the upper case 2 is erroneously pressed, the button portion 3 is interlocked and the switch pressing projection 12 comes into contact with the switch 4 before the projection portion 6 comes in contact with the switch 4.
Switch 4 is turned on.
Not done.

Furthermore, even if rain or dust is sprayed on the electronic device 1, the button portion 3 is integrally connected to the upper case 2 by the smooth curved surface 5 so that the button portion 3 is integrally formed. Can be prevented from entering.

[0018]

As is apparent from the above description, according to the integrally molded button structure of the present invention, it is possible to reduce the number of parts and to prevent intrusion of water or the like from the outside. Further, even if a part other than the button part of the upper case is erroneously pushed, the switch does not turn on.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a preferred embodiment of an integrally molded button structure according to the present invention, wherein (a) is a front view and (b)
Is a sectional view.

FIG. 2 is an explanatory view showing a conventional integrally molded button structure.
(A) is a front view, (b) is a front view when a plate is not stuck, and (c) is a cross-sectional view.

[Explanation of symbols]

 1 ····· Electronic device 2 ············································· Button ···················· Curved surface shape 6 ·························· ... Lower case

Claims (2)

[Claims] 1. A button (3) provided on the upper case of an electronic device (1) having a waterproof function for preventing water or the like from entering by an upper case (2) and a lower case (21). An integral molded button structure for turning on a switch (4), wherein the button part is integrally molded with an upper case of the electronic device without providing a groove or the like for preventing penetration of water or the like, and the button part is formed. Is an integral molded button structure, characterized in that it has a thinner shape than the upper case and has elasticity, is connected to the upper case by a smooth curved surface shape (5), and the button portion is curved in a convex shape. 2. A projection for holding the button so that the button is not pushed in conjunction with the pushing of the upper case when a portion of the upper case other than the button is pushed in. The button structure according to claim 1, characterized in that (6) is provided.