KR200355872Y1 - Structure of navigation key pad for cellular phone - Google Patents

Structure of navigation key pad for cellular phone Download PDF

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Publication number
KR200355872Y1
KR200355872Y1 KR20-2004-0010247U KR20040010247U KR200355872Y1 KR 200355872 Y1 KR200355872 Y1 KR 200355872Y1 KR 20040010247 U KR20040010247 U KR 20040010247U KR 200355872 Y1 KR200355872 Y1 KR 200355872Y1
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KR
South Korea
Prior art keywords
abs
resin
injected
molding
navigation keypad
Prior art date
Application number
KR20-2004-0010247U
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Korean (ko)
Inventor
고중진
Original Assignee
주식회사 아남시스템
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Priority to KR20-2004-0010247U priority Critical patent/KR200355872Y1/en
Application granted granted Critical
Publication of KR200355872Y1 publication Critical patent/KR200355872Y1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2055/00—Use of specific polymers obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of main groups B29K2023/00 - B29K2049/00, e.g. having a vinyl group, as moulding material
    • B29K2055/02—ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3431—Telephones, Earphones
    • B29L2031/3437—Cellular phones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/46—Knobs or handles, push-buttons, grips
    • B29L2031/466—Keypads, keytops

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Manufacture Of Switches (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

본 고안은 휴대폰용 네비게이션 키패드의 구조에 관한 것으로서, 보다 상세하게는 네비게이션 키패드에 합성(ABS)수지와 연결되는 게이트가 생성되지 않도록 ABS수지를 투광(PC)성형부의 내부와 외부에서 공급함으로써 게이트의 자국 및 흠이 전혀 발생되지 않으므로 ABS형성부의 사이에서 발광되는 PC성형부의 디자인이 명확하고 깨끗하게 표출될 뿐만 아니라 품질이 균일하게 유지되어 사출되는 네비게이션 키패드의 이미지를 고급화할 수 있는 휴대폰용 네비게이션 키패드의 구조에 관한 것이다.The present invention relates to a structure of a navigation keypad for a mobile phone, and more particularly, the ABS resin is supplied from inside and outside of the floodlight (PC) molding unit so that a gate connected to the composite (ABS) resin is not generated in the navigation keypad. As the marks and flaws are not generated at all, the design of the PC molding part that emits light between the ABS forming parts is not only clearly and cleanly expressed, but also the structure of the navigation keypad for mobile phones capable of enhancing the image of the navigation keypad that is uniformly maintained and the quality is injected. It is about.

이를 실현시키기 위한 본 고안은 금형의 코어에 의하여 성형되는 휴대폰용 네비게이션 키패드의 구조에 있어서, 투광(PC) 수지가 주입되어 성형되는 1개 이상의 PC성형부와, 상기 PC성형부의 외주부에 합성(ABS) 수지가 주입되어 성형되는 외측ABS형성부와, 상기 외측ABS형성부가 연결되도록 ABS 수지가 주입되는 다수개의 ABS연결부와, 상기 PC성형부의 내측으로 ABS 수지가 주입되는 내측ABS주입부와, 상기 내측ABS주입부로부터 주입된 ABS 수지가 성형되는 내측ABS성형부로 구성된 것을 특징으로 한다.The present invention for realizing this, in the structure of the navigation keypad for mobile phones are formed by the core of the mold, one or more PC molding parts are formed by injection molding the transparent resin (PC), and the synthetic part (ABS) on the outer peripheral portion of the PC molding parts The outer ABS forming portion is injected and molded resin, a plurality of ABS connecting portion is injected ABS resin so that the outer ABS forming portion is connected, the inner ABS injection portion is injected ABS resin into the PC molding portion, the inner It is characterized by consisting of the inner ABS molded part is molded ABS resin injected from the ABS injection portion.

Description

휴대폰용 네비게이션 키패드의 구조{ STRUCTURE OF NAVIGATION KEY PAD FOR CELLULAR PHONE}Structure of Navigation Keypad for Mobile Phones {STRUCTURE OF NAVIGATION KEY PAD FOR CELLULAR PHONE}

본 고안은 휴대폰용 네비게이션 키패드의 구조에 관한 것으로서, 보다 상세하게는 네비게이션 키패드에 합성(ABS)수지와 연결되는 게이트가 생성되지 않도록 ABS수지를 투광(PC)성형부의 내부와 외부에서 공급함으로써 게이트의 자국 및 흠이 전혀 발생되지 않으므로 ABS형성부의 사이에서 발광되는 PC성형부의 디자인이 명확하고 깨끗하게 표출되며, 품질이 균일하게 유지되어 사출되는 네비게이션 키패드의 이미지를 고급화할 수 있는 휴대폰용 네비게이션 키패드의 구조에 관한 것이다.The present invention relates to a structure of a navigation keypad for a mobile phone, and more particularly, the ABS resin is supplied from inside and outside of the floodlight (PC) molding unit so that a gate connected to the composite (ABS) resin is not generated in the navigation keypad. As the marks and flaws are not generated at all, the design of the PC molding part that emits light between the ABS forming parts is clearly and clearly expressed, and the structure of the navigation keypad for mobile phones capable of improving the image of the navigation keypad which is uniformly maintained and the quality is ejected. It is about.

일반적으로 휴대폰 단말기 및 전화기에는 하나의 버튼 내에 다수의 작동키를 형성하여 사용자가 버튼을 파지하므로 파지 위치에 따라 작동키에 의해 통전되는 접점이 달라져 서로 다른 동작을 할 수 있게 하는 네비게이션 키패드가 설치된다.In general, a mobile phone terminal and a telephone are provided with a navigation keypad that forms a plurality of operation keys in one button, so that the user grips the buttons so that the contact point energized by the operation keys varies according to the holding position. .

상기와 같은 네비게이션 키패드는 상부 금형과 하부 금형이 상호 형합되어 내측에 성형된 코어에 용융된 수지가 삽입되어 제작된다.The navigation keypad as described above is manufactured by inserting a molten resin into a core formed inside the upper mold and the lower mold.

도 1은 종래의 네비게이션 키패드 구조를 나타낸 평면도로서, 종래의 네비게이션 키패드 구조는 투광(PC) 수지가 주입되어 성형되는 4개의 PC성형부(111)와, 합성(ABS) 수지가 주입되어 4개의 상기 PC성형부(111)를 연결시키는 다수개의 PC연결부(112)와, 상기 PC성형부(111)의 내측에 ABS 수지가 주입되어 성형되는 ABS성형부(113)와, 상기 PC연결부(112)와 ABS성형부(113)를 연결시키는 게이트(114)로 구성된다.1 is a plan view showing a conventional navigation keypad structure, the conventional navigation keypad structure is the four PC molding unit 111 and the synthetic (ABS) resin is injected four injection molding (PC) resin is injected and molded four A plurality of PC connecting portion 112 for connecting the PC molding portion 111, ABS molding portion 113 is formed by injecting ABS resin into the PC molding portion 111, and the PC connecting portion 112 and It is composed of a gate 114 connecting the ABS molding 113.

그러나, 고온의 ABC 수지가 상기 ABC성형부(113)에 주입되면서 상기 게이트(113)가 PC성형부(111)에 흡착되어 상기 게이트(113)를 제거할 경우에 그에 따른 자국으로 인하여 네비게이션 키패드의 발광시 잔영이 존재하여 깨끗하고 명확하게 표출되지 못하여 제품의 이미지를 저하시키는 문제점이 있었다.However, when a high temperature ABC resin is injected into the ABC molding part 113 and the gate 113 is adsorbed to the PC molding part 111 to remove the gate 113, the mark of the navigation keypad is caused by the marks. There was a problem of deterioration of the image of the product due to the presence of the residual light at the time of light emission is not clear and clear.

또한, 상기 종래의 네비게이션 키패드 구조는 상기 게이트(114)를 제작하기 위하여 별도의 금형 제작공수가 증대되어 제작비용이 증가되는 문제점이 있었다.In addition, the conventional navigation keypad structure has a problem in that the manufacturing cost of the additional mold manufacturing is increased to manufacture the gate 114.

본 고안은 상기한 문제점을 해소하기 위하여 안출된 것으로서, 본 고안의 목적은 네비게이션 키패드에 합성(ABS)를 연결하는 게이트가 생성되지 않도록 ABS수지를 PC성형부 내측과 외측에서 공급하여 게이트의 자국 및 흠이 발생되지 않으므로 네비게이션 키패드의 디자인이 명확하고 깨끗하게 표출되며, 그 품질이 균일하게 유지되어 사출되는 키패드 제품의 이미지를 고급화시키도록 하는 휴대폰용 네비게이션 키패드의 구조를 제공하는 데 있다.The present invention has been made to solve the above problems, the object of the present invention is to provide the ABS resin from the inside and outside of the PC molding portion so that the gate connecting the composite (ABS) to the navigation keypad is not generated, The present invention provides a structure of a navigation keypad for a mobile phone, in which a design of a navigation keypad is clearly and clearly expressed because no flaws are generated, and the quality of the navigation keypad is uniformly maintained to enhance an image of a keypad product to be ejected.

도 1은 종래의 네비게이션 키패드 구조를 나타낸 평면도,1 is a plan view showing a conventional navigation keypad structure;

도 2는 본 고안에 따른 일실시예의 평면도,2 is a plan view of one embodiment according to the present invention,

도 3은 휴대폰에 네비게이션 키패드가 사용된 상태를 나타낸 개요도.3 is a schematic diagram showing a state in which a navigation keypad is used in a mobile phone.

* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings

10 : 네비게이션 키패드10: navigation keypad

11 : PC성형부 12 : 외측ABS성형부11: PC molding part 12: outer ABS molding part

13 : ABS연결부 14 : ABS주입부13: ABS connection part 14: ABS injection part

15 : 내측ABS성형부15: inner ABS molding part

상기한 목적을 달성하기 위하여 본 고안에 의한 휴대폰용 네비게이션 키패드 의 구조는 금형의 코어에 의하여 성형되는 휴대폰용 네비게이션 키패드의 구조에 있어서, 투광(PC) 수지가 주입되어 성형되는 1개 이상의 PC성형부와, 상기 PC성형부의 외주부에 합성(ABS) 수지가 주입되어 성형되는 외측ABS형성부와, 상기 외측ABS형성부가 연결되도록 ABS 수지가 주입되는 다수개의 ABS연결부와, 상기 PC성형부의 내측으로 ABS 수지가 주입되는 내측ABS주입부와, 상기 내측ABS주입부로부터 주입된 ABS 수지가 성형되는 내측ABS성형부로 구성된 것을 특징으로 한다.In order to achieve the above object, the structure of a navigation keypad for a mobile phone according to the present invention is a structure of a navigation keypad for a mobile phone, which is molded by a core of a metal mold. And, the outer ABS forming portion is formed by injection of the synthetic (ABS) resin to the outer peripheral portion of the PC molding portion, a plurality of ABS connecting portion is injected ABS resin so as to connect the outer ABS forming portion, and the ABS resin inside the PC molding portion It is characterized in that the inner ABS injection portion is injected, and the inner ABS molding portion is molded in the ABS resin injected from the inner ABS injection portion.

상기 PC성형부와 외측ABS형성부와 ABS연결부는 다수개의 주입구에서 수지가 주입되도록 형성된 것을 특징으로 한다.The PC molding portion, the outer ABS forming portion and the ABS connecting portion is characterized in that the resin is injected from a plurality of injection holes.

이하, 본 고안의 휴대폰용 네비게이션 키패드의 구조에 대한 일 실시예를 첨부도면을 참조하여 보다 상세히 설명한다.Hereinafter, an embodiment of the structure of a navigation keypad for a mobile phone of the present invention will be described in more detail with reference to the accompanying drawings.

도 2는 본 고안에 따른 일실시예의 평면도이고, 도 3은 휴대폰에 네비게이션 키패드가 사용된 상태도이다.Figure 2 is a plan view of one embodiment according to the present invention, Figure 3 is a state diagram in which a navigation keypad is used in a mobile phone.

도 2에 도시된 바와 같이 휴대폰용 네비게이션 키패드의 구조는 PC성형부(11)와, 외측ABS형성부(12)와, ABS연결부(13)와, 내측ABS주입부(14)와, 내측ABS성형부(15)로 구성된다.As shown in FIG. 2, the structure of the navigation keypad for a mobile phone includes a PC molding part 11, an outer ABS forming part 12, an ABS connecting part 13, an inner ABS injection part 14, and an inner ABS molding part. It consists of a part 15.

상기 PC성형부(11)는 투광(PC) 수지가 주입되어 성형되며 1개의 코어(10)에 4개가 형성되고, 상기 외측ABS형성부(12)는 상기 PC성형부(11)의 외주부에 합성(ABS) 수지가 주입되어 성형되도록 형성되며, 상기 ABS연결부(13)는 상기 외측ABS형성부(12)가 상호 연결되도록 ABS 수지가 주입되도록 성형되고, 상기 내측ABS주입부(14)는 상기 PC성형부(13)의 내측 중앙으로 ABS 수지가 주입되도록 형성되며, 상기 내측ABS성형부(15)는 상기 내측ABS주입부(14)로부터 주입된 ABS 수지가 성형되도록 형성된다.The PC molding part 11 is formed by injecting a light-transmitting (PC) resin and formed four in one core 10, the outer ABS forming part 12 is synthesized in the outer peripheral portion of the PC molding part 11 (ABS) resin is formed to be injected and molded, the ABS connecting portion 13 is molded so that the ABS resin is injected so that the outer ABS forming portion 12 is interconnected, the inner ABS injection portion 14 is the PC The ABS resin is injected into the inner center of the molding part 13, and the inner ABS molding part 15 is formed to mold the ABS resin injected from the inner ABS injection part 14.

상기 PC성형부(11)와 외측ABS형성부(12)와 ABS연결부(13)는 다수개의 주입구에서 수지가 주입되도록 형성된다.The PC molding part 11, the outer ABS forming part 12, and the ABS connecting part 13 are formed to inject resin from a plurality of injection holes.

이와 같은 구성을 지닌 본 고안에 따른 휴대폰용 네비게이션 키패드 금형의 작용을 살펴본다.Looking at the operation of the navigation keypad mold for a mobile phone according to the present invention having such a configuration.

도 2 및 도 3에서 본 고안에 따른 휴대폰용 네비게이션 키패드의 구조는 코어(10)에 PC 수지가 4개의 PC성형부(11)에 주입되어 성형되며, 상기 PC성형부(11)의 외주부에 형성된 외측ABS형성부(12)에 ABS 수지가 주입되어 성형된다.2 and 3, the structure of the navigation keypad for mobile phones according to the present invention is formed by injecting the PC resin into the four PC molding portion 11 in the core 10, formed on the outer peripheral portion of the PC molding portion 11 ABS resin is injected into the outer ABS forming portion 12 and molded.

그리고, 4개의 상기 외측ABS형성부(12)를 연결시키는 ABS연결부(13)는 ABS 수지가 주입되어 연결하게 되며, 상기 PC성형부(13)의 내측 중앙에 형성된 내측ABS주입부(14)에는 ABS 수지가 주입된다. 이 때, 상기 ABS 수지는 상기 내측ABS주입부(14)와 연결된 내측ABS성형부(15)에 주입되어 투광되는 PC 수지에 ABS 수지가 내측과 외측으로 성형됨으로써, 연결하는 게이트가 불필요하여 게이트의 자국 및 흠이 전혀 발생되지 않아 디자인이 명확하고 깨끗하게 표출되어 네비게이션 키패드의 이미지를 고급화할 수 있게 된다.In addition, the ABS connecting portion 13 connecting the four outer ABS forming portions 12 is connected to the ABS resin is injected, the inner ABS injection portion 14 formed in the inner center of the PC molding portion 13 ABS resin is injected. At this time, the ABS resin is injected into the inner ABS molding portion 15 connected to the inner ABS injection portion 14 and the ABS resin is molded into the inner and outer parts of the PC resin to be transmitted, thereby eliminating the need for a gate to be connected. No marks and blemishes are generated, resulting in a clear and clean design that allows the navigation keypad image to be enhanced.

또한, 상기 네비게이션 키패드의 구조는 4개의 PC성형부(11)에 다수개의 주입구가 형성되어 PC수지를 주입시키고, 상기 외측ABS형성부(12)와 ABS연결부(13)에도 다수개의 주입구가 형성되어 ABS 수지를 동시에 주입시킴으로써 생산성을 배가 시킬 수 있게 된다.In addition, the structure of the navigation keypad has a plurality of injection holes are formed in the four PC forming portion 11 to inject a PC resin, a plurality of injection holes are also formed in the outer ABS forming portion 12 and the ABS connecting portion (13) By simultaneously injecting ABS resin, the productivity can be doubled.

본 고안은, 본 고안이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어 본 고안의 기술적 사상을 벗어나지 않는 범위내에서 여러가지 치환, 변형 및 변경이 가능하므로 전술한 실시예 및 도면에 한정되는 것은 아니다.The present invention is not limited to the above-described embodiments and drawings since various substitutions, modifications, and changes are possible to those skilled in the art without departing from the technical spirit of the present invention. .

이상에서 상세히 살펴본 바와 같이, 본 고안에 따른 휴대폰용 네비게이션 키패드의 구조는 ABS수지가 투광되는 PC성형부의 내측과 외측으로 성형됨으로써, 연결하는 게이트가 불필요하게 되어 게이트의 자국 및 흠이 전혀 발생되지 않아 디자인이 명확하고 깨끗하게 표출되어 네비게이션 키패드의 이미지를 고급화시킬 뿐만 아니라 ABS 수지를 내측와 외측에서 동시에 주입시킴으로써 생산성을 배가시킬 수 있게 된다.As described in detail above, the structure of the navigation keypad for mobile phones according to the present invention is molded into the inside and outside of the PC molding portion where the ABS resin is transmitted, so that the gate to be connected is unnecessary, so that the marks and flaws of the gate are not generated at all. The design is clearly and clearly displayed, which not only enhances the image of the navigation keypad but also doubles the productivity by injecting ABS resin from the inside and the outside simultaneously.

Claims (2)

금형의 코어에 의하여 성형되는 휴대폰용 네비게이션 키패드의 구조에 있어서,In the structure of the navigation keypad for a mobile phone formed by the core of the mold, 투광(PC) 수지가 주입되어 성형되는 1개 이상의 PC성형부(11)와, 상기 PC성형부(11)의 외주부에 합성(ABS) 수지가 주입되어 성형되는 외측ABS형성부(12)와, 상기 외측ABS형성부(12)가 연결되도록 ABS 수지가 주입되는 다수개의 ABS연결부(13)와, 상기 PC성형부(13)의 내측으로 ABS 수지가 주입되는 내측ABS주입부(14)와, 상기 내측ABS주입부(14)로부터 주입된 ABS 수지가 성형되는 내측ABS성형부(15)로 구성된 것을 특징으로 하는 휴대폰용 네비게이션 키패드의 구조.At least one PC molding part 11 into which a light-transmitting (PC) resin is injected and molded, an outer ABS forming part 12 into which a synthetic (ABS) resin is injected and molded to an outer circumference of the PC molding part 11, A plurality of ABS connecting portions 13 into which ABS resin is injected so that the outer ABS forming part 12 is connected, and an inner ABS injection portion 14 into which ABS resin is injected into the PC forming part 13, and The structure of the navigation keypad for a mobile phone, characterized in that consisting of the inner ABS molding portion 15 is molded ABS resin injected from the inner ABS injection portion (14). 제 1항에 있어서,The method of claim 1, 상기 PC성형부(11)와 외측ABS형성부(12)와 ABS연결부(13)는 다수개의 주입구에서 수지가 주입되도록 형성된 것을 특징으로 하는 휴대폰용 네비게이션 키패드의 구조.The PC molding unit 11 and the outer ABS forming unit 12 and the ABS connector 13 is a structure of a navigation keypad for a mobile phone, characterized in that the resin is injected from a plurality of injection holes.
KR20-2004-0010247U 2004-04-13 2004-04-13 Structure of navigation key pad for cellular phone KR200355872Y1 (en)

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