KR100837267B1 - Cellular phone with Unified Plastic Buttons - Google Patents

Abstract

Disclosed is a wireless communication terminal in which a button and a button keypad body are integrally manufactured through plastic injection. The wireless communication terminal includes a button body assembled to the front case and a button integrally formed on the button body for input of numbers or letters, and part of the button is attached to the button body, and the other part is spaced apart from the button body. do. Since the button and the button body are made integral, the terminal of such a structure can reduce the unit cost and increase the durability.

Handset, button

Description

Wireless communication terminal with integrated button unit {Cellular phone with Unified Plastic Buttons}

1 is a perspective view showing the structure of a cantilever-type button body according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the button body having a structure in which a hole 23 between the button 21 and the button 22 is connected similarly to the structure of FIG. 1.

3 is a front view of the button body of FIG. 2.

4 is a photograph of a mobile phone equipped with an integrated button unit according to an embodiment of the present invention.

FIG. 5 is a front view illustrating an integrated button body having different colors of a number button and a call button according to another embodiment of the present invention.

6A and 6B are side views illustrating in detail the assembling process between the integrated button body and the pad.

7 is a plan view illustrating an assembly process between a button body and a pad.

8 is a front view illustrating a structure in which the integrated button body is assembled to a mobile phone according to another embodiment of the present invention.

9 is a front view illustrating a structure in which the integrated button body of FIG. 8 is separated from a mobile phone.

* Explanation of symbols for main parts of the drawings

11: integrated button body 12: cantilever type button

13: One side of the button attached to the main body 14: Button circumference through the hole

The present invention relates to a wireless communication terminal in which a button is integrated.

The key integrated structure of the mobile communication terminal is described in detail in Patent Application No. 10-2004-0031421.

This is part of the case of the mobile communication terminal is connected to the case, and part of the case is a button of the structure spaced apart from the case, in particular a cantilever-type structure attached to the case.

Conventionally, a case and a keypad are manufactured separately, and each button, which is a button, is attached to a rubber film.

In this case, each button needs to be attached to the pad, which takes a lot of time and money.

Also, the button should be attached on the pad, but only part of the button should be attached to the pad so that the button can be pressed.

Therefore, when using a transparent button can be used to print separately in the lower part of the button is also a factor of the price increase.

The technical problem to be achieved by the present invention is to produce an integral button part in which a plurality of buttons are attached to one plastic body through a plastic injection process. In addition, it is to facilitate the assembly of the mobile phone is a mobile communication terminal through the integrated button unit.

In addition, the present invention relates to providing a structure capable of assembling buttons made of different colors or different materials.

The wireless communication terminal of the present invention includes a button body assembled on the front of the case and a button formed integrally with the button body for inputting numbers or letters, a part of the button is attached to the button body, the other part is separated from the button body do.
The present invention relates to a button having a key input function for inputting a number or a character in a mobile phone, which is a wireless communication terminal, characterized in that each button is integrally attached to a plastic body. Part of the surroundings of each button is attached to the plastic body and the other part is a structure that is perforated to penetrate, it can be referred to as the structure of a cantilever-type button, for example, a number of buttons are attached to one body The integrated button portion of the mobile phone can be said to be a structure to be assembled to the case. In particular, it can be made by assembling integrally using heterogeneous colors or heterogeneous materials, and can be mounted on the case of a mobile phone.

In such a structure, since the button and the button body are manufactured at a time through the injection molding, it is possible to eliminate the hassle of having to adhere to the rubber pad by making each button as in the prior art.

In the lower part of the button, the plastic button body is formed by sticking together when injection molding, and the remaining part is formed by a structure that is perforated to be penetrated. The representative structure is a cantilever type, and cantilever buttons of various methods may be used.

The cantilever means a structure that can move up and down because one side is supported and the other side is not supported. In this specification, the cantilever may be included in the present structure even if there are one or more holes around the illustrated button. That is, a part of the button is attached to the button body, and the remaining part is formed in the form of a hole or a slit may be spaced apart from the button body. Since only a portion of the button is connected, the area in which the button is formed can be moved relative to the button body with fluidity.

For this structure, a button for inputting letters or numbers is manufactured in a cantilever type so that it is attached to one main body.

Figure 1 shows the structure of such a cantilevered button.

Each button 12 in one integrated button body 11 is attached to the body in the form of a cantilever.

In this structure, the button is manufactured by plastic injection, and one side 13 of the button is attached to the main body 11, and the other side is spaced apart from the main body 11, and a hole 14 passes therebetween. The structure is doing. In this embodiment, only one side of the four sides of the button is connected, otherwise two or more sides of the various surfaces of the button may be connected to the main body (11).

In this structure, it is possible for the plastic to move up and down by elasticity.

2 shows a structure in which the button 21 and the button 22 are directly connected to each other by a hole 23 in the structure of FIG.

The front view of this structure is shown in FIG.

Each button is engraved with numerals 31 or letters, and serves as a button in this structure.

4 shows a picture of a mobile phone equipped with an integrated button unit according to the present invention.

In this structure, which is actually manufactured, each button 12 is attached to the main body in the form of a cantilever in the integrated button main body 11, and one side 13 of the button is attached to the main body 11, and the other side is It is spaced apart from the main body, and the hole 14 penetrates therebetween.

In this way, the integral button unit is mounted on the mobile phone case through assembly.

The assembly method is a bolt assembly through a hole.

In this case, the nut part can be bolted in a state where the nut part is pre-inserted by insert injection or in-mold injection.

Another method is to insert and insert the protrusions to be fixed to each other.

Such installation can reduce cost and improve performance of mobile phones.

Such integrated buttons may use plastic materials or light metals such as magnesium metal.

In the case of using a plastic material, since the key parts are manufactured at the same time through injection, an integrated button can be easily manufactured.

In this case, it is sometimes necessary to change the color of the button.

For example, as shown in FIG. 5, the color of the number button and the call button is different.

In this case, when the buttons are manufactured integrally, each button may be painted differently, but sometimes the button structure itself has to have a different color.                     

As shown in FIG. 5, each button 12 in one integrated button body 11 is attached to one side 13 of the button to the main body 11, and the other side is spaced apart from the main body, with a hole therebetween. It is the case that the special button 51 of a different color or a different material exists in the structure which 14 has penetrated.

Buttons of different colors or different materials can be manufactured by insert molding.

Insert injection is a method of inserting a button of a different color or material in the mold in advance and ejecting the button to be integrally formed.

Also in the manufacturing method of this structure, it is possible to manufacture a structure in which one surface is attached to the main body and the other surface is separated.

Another method is to make a button of a different color or material from the integrated button part and attach it on a pad on which a dome switch or the like is formed.

This structure is shown in FIG.

As shown in (b) of FIG. 5, the button 51 of a different color or material from the integrated button body 11 is attached to the pad 53.

In this case, the pad 53 has a separate protrusion 54 so that the dome switch of the mobile phone can be pressed.

Although the pad may have a protrusion, it may be designed to make a protrusion on the button and the protrusion of the button presses the pad or presses the dome switch through the hole of the pad in the same position.                     

6A and 6B show the assembly process in more detail.

One button body 11 formed by connecting each button 12 and a pad 53 made of urethane rubber, silicone rubber, or plastic film are separated separately.

At this time, the button 51 of a color or material different from that of the button body is attached to the pad with an adhesive or the like beforehand.

The pad also has a protrusion 54 to press the metal dome switch.

The structure in which the pad and the button body are bonded to each other is shown in FIG. 6B.

One button body 11 formed by connecting each button 12 and a pad 53 made of urethane rubber, silicone rubber or plastic film to which buttons 51 of different colors or materials are attached to the button body are adhered. Has become.

The bonding method may be a method using an adhesive, thermal bonding, or simple physical contact.

In addition, the pad and the button body as a whole are not in contact with each other, but a part thereof is bonded, and the elasticity of the rubber facilitates the vertical movement of the button.

7 shows a planar structure of this assembly process.

One integrated button body 11 formed by connecting each button 12 and a pad 53 made of urethane rubber, silicon rubber or plastic film are separated.

At this time, a special button 51 of a different color or material from the button body is attached to the pad with an adhesive or the like beforehand. The pad 53 may be made of rubber, silicone, or plastic film, or alternatively, may include a key input sensor such as a dome switch.

In addition, the integrated button body has a hole 52 into which the button attached to the pad is to be inserted.

The two parts separated and assembled are assembled into one to complete the key button part for the mobile phone.

8 is a structure in which the integrated button unit is assembled to the mobile phone.

The integrated button portion 11 is structured to be mounted on the mobile phone 81.

Dual injection can be used as a method of integrally injecting plastics of different colors.

Double injection is a technology that injects the plastic to be injected into the mold by injecting plastic of two or more colors or materials and injects the plastic into one body from the inside of the mold as designed.

Using this double injection technology, it is possible to form buttons having two or more colors in one integrated button body.

In the case of heterogeneous colors, there is a method of inserting different dyes differently in the same plastic material, that is, plastic material such as PC, acrylic, or ABS.

In this case, the plastics of different colors of the same mold may be injected into one when the plastics are injected, thereby causing different colors to appear.

In this way, the button part is injected into a transparent plastic, and the case part can be opaquely injected.

FIG. 9 shows a structure diagram of a result of injection of the case part and the integrated button part having different colors.

As shown in the figure, the case portion 91 and the integrated button portion 11 may be double injection in different colors to be a finished product.

In this case, the integrated button part is made transparent so that the LED light can pass through, and the case part is made opaque so that the light does not pass.

9 shows the structure in the case of separately fabricating the case portion and the integral button portion.

The integrated button unit 11 may be manufactured and assembled into the keypad hole 82 of the case 81 to manufacture a mobile phone case. The button part 11 having the button formed thereon may be assembled to the keypad hole 82 to form a part of the wall surface of the case.

The assembly method may be an assembly method such as using a screw, a method of making a physically insertable structure, or using an adhesive.

In the above case, plastic is cited as the main material of the button body, but a metal material may be used in addition to the plastic.

Using a material such as magnesium metal can make a structure in which the button is formed integrally, in this case also when using a heterogeneous material, for example, plastic buttons can be made using the pad material as described above.

In addition, in the case of using a metal material, a hole is formed through the metal plate by etching or a laser beam to penetrate through it. Also, a part of each button is connected to the integral button body, and the other side of the button is an integral button body. You can create spaced structures at.                     

The metal integrated button body can be manufactured using die casting or a press.

In this case, the protrusion pressing the dome switch may be formed directly on the metal, or the protrusion may be formed on the plastic through additional plastic insert injection, or a pad of silicon or urethane may be attached on the bottom and the protrusion may be formed on the pad. .

As described above, the structure of the integrated button manufactured by plastic injection of the mobile communication terminal according to the present invention can reduce the cost of the button unit of the mobile phone and simplify the manufacturing process.

In particular, when making buttons of two or more colors or using different materials, a pad or a double injection method may be used.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Claims (7)

In a wireless communication terminal, It includes a button body assembled on the front of the wireless communication terminal and a button integrally formed on the button body for inputting numbers or letters, A part of the button is attached to the button body, and the other part is spaced apart from the button body, A keypad hole for mounting the button body is formed on a case front side of the wireless communication terminal, and the button body on which the button is formed is assembled to the keypad hole to form the case wall surface. delete The method of claim 1, And a pad is attached to a lower portion of the button body. The method of claim 1, The button body and the button is a wireless communication terminal, characterized in that produced integrally through the plastic injection. The method of claim 4, wherein The button body includes a special button having a heterogeneous color, and injects a plastic material having a heterogeneous color into one mold mold to manufacture the special button, and is integrally manufactured with the button body through a double injection process. Wireless communication terminal, characterized in that. The method of claim 4, wherein And a special button attached to the pad and the pad under the button body and having a different color from the button body, wherein the special button is attached to the pad together with the button body of the wireless communication terminal. Wireless communication terminal, characterized in that mounted to the case. The method of claim 1, One side of the button is attached to the button body, the other side is a wireless communication terminal, characterized in that supported by a cantilever structure spaced apart.

Images