WO2011114800A1 - Sealing member - Google Patents

Sealing member Download PDF

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Publication number
WO2011114800A1
WO2011114800A1 PCT/JP2011/052470 JP2011052470W WO2011114800A1 WO 2011114800 A1 WO2011114800 A1 WO 2011114800A1 JP 2011052470 W JP2011052470 W JP 2011052470W WO 2011114800 A1 WO2011114800 A1 WO 2011114800A1
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WO
WIPO (PCT)
Prior art keywords
sealing member
housing
members
sealing
gasket
Prior art date
Application number
PCT/JP2011/052470
Other languages
French (fr)
Japanese (ja)
Inventor
直哉 新村
林　隆浩
伸 高岡
Original Assignee
日本メクトロン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 日本メクトロン株式会社 filed Critical 日本メクトロン株式会社
Priority to KR1020127009106A priority Critical patent/KR20130016189A/en
Priority to CN2011800020813A priority patent/CN102428301A/en
Publication of WO2011114800A1 publication Critical patent/WO2011114800A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/12—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering
    • F16J15/121—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement
    • F16J15/127—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing with metal reinforcement or covering with metal reinforcement the reinforcement being a compression stopper
    • 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
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly

Definitions

  • the present invention relates to a sealing member of an electronic device, and more particularly, to a structure for sealing so that water droplets do not enter the inside of an electronic device such as a mobile phone terminal. Therefore, the sealing member of the present invention is suitably used as a sealing structure of a waterproof electronic device.
  • a case is formed by combining housings 100 and 200 which are fitted to each other, and between the housings 100 and 200 so that water droplets do not enter the case.
  • a gasket 300 consisting of an O-ring or the like made of a single rubber is interposed (Patent Document 1).
  • the gasket 300 is disposed in an annular groove 600 provided in the housing 200 so as to keep the amount of compression (crushing margin) constant. As a result, when the housings 100 and 200 abut each other, the gasket 300 will not be compressed excessively. And, in recent years, since the case needs to be reduced in size and thickness, the gasket 300 used here is also reduced in cross section and hardness so as not to load the housing 100 and 200 as much as possible. Is required.
  • a single rubber gasket 300 is fixed to the housing 100 side through the adhesive layer 700 and held between the flat surface (without the groove) and the housing 200.
  • An embodiment has been proposed (Patent Document 2).
  • the amount of compression (the gap) between the housings 100 and 200 varies, causing a problem that a stable sealing performance of the gasket 300 can not be obtained.
  • the present invention can provide a sealing member capable of reducing the size and thinning of the case since there is no need for grooving on the housing side, as well as having a good handleability of the gasket and maintaining a stable sealing performance. It is the purpose.
  • the sealing member in a sealing member interposed between one housing member and the other housing member to seal the gap between the two members, is composed of a holding member made of a resin material having a substantially H-shaped cross section, and a pair of rubber sealing members integrally provided in both groove portions of the holding member. It is characterized in that a more projecting lip portion is formed.
  • the present invention has the following effects.
  • the sealing member of the first aspect of the present invention since there is no need to form a groove on the housing side, the case can be miniaturized and thinned, and the handleability of the gasket is good, and the sealing performance is stabilized. Can be maintained.
  • the sealing member of the second aspect of the present invention the sealing member and the holding member can be integrated without using an adhesive, and the molding is easy.
  • the sealing member of the third aspect of the present invention it is possible to prevent a damage due to the sealing member getting caught between the housing member and the holding member and to maintain a stable seal surface pressure. Furthermore, according to the sealing member of the invention according to claim 4, it is most suitable for waterproof mobile phones.
  • sealing member of the invention of claim 5 it is suitably used for the type in which the grooved side is not formed on the housing side.
  • FIG. 2 is a partial perspective view of a holding member made of a resin material used in FIG.
  • the state figure in which the sealing member which concerns on a prior art was clamped between housing members.
  • FIG. 7 is a cross-sectional view of a sealing member according to still another prior art. The state figure in which the sealing member which concerns on another prior art was clamped between housing members.
  • the sealing member according to the present invention is a seal which is interposed between one housing member 1 and the other housing member 2 to seal the gap between the two members 1 and 2.
  • the sealing member 3 is a holding member 31 made of resin material having a substantially H-shaped cross section, and a pair of rubber sealing members 32a and 32b integrally provided in both groove portions 311a and 311b of the holding member 31.
  • the two seal members 32a and 32b are formed with lip portions 321a and 321b protruding from the groove portions 311a and 311b.
  • the holding member 31 made of a resin material having a substantially H-shaped cross section has its inner peripheral side cylindrical portion 313 and outer peripheral side cylindrical portion 314, and the inner peripheral side cylindrical portion 313 and outer peripheral side cylindrical portion 314. And a connecting portion 312 connecting the two.
  • the holding member 31 usually has a substantially rectangular annular shape, and is not limited to a planar shape, and can be used as a three-dimensional three-dimensional shape depending on the application.
  • a plurality of through holes 3121 are formed equidistantly in the connecting portion 312.
  • the seal members 32 a and 32 b are integrated through the through hole 3121. Furthermore, the length X where the lip portions 321a and 321b protrude from the both groove portions 311a and 311b is designed such that an optimum sealing surface pressure can be obtained in a state where the sealing member 3 is held between the housing members 1 and 2. It is done.
  • the material of the sealing members 32a and 32b is a rubber material having rubber-like elasticity, and includes nitrile rubber, acrylic rubber, EPDM, CR, silicone rubber, fluororubber, natural rubber, etc. Although selected and used, self-adhesive rubber such as liquid silicone rubber and liquid fluororubber is preferable.
  • the material of the holding member 31 made of resin material is a resin material having elasticity, and ABS resin, PP (polypropylene), PEN (polyethylene naphthalate), PSF (polysulfone), PE (polyethylene), PS (polystyrene) ), PMMA (acrylic), PET (polyethylene terephthalate), PPE (polyphenylene ether), PA (nylon / polyamide), PC (polycarbonate), POM (polyacetal), PBT (polybutylene terephthalate), PPS (polyphenylene sulfide), PEEK (Polyether ether ketone), LCP (liquid crystal polymer), fluoro resin, urethane resin, etc. are mentioned, and it selects suitably according to various use, and is used.
  • ABS resin polypropylene
  • PEN polyethylene naphthalate
  • PSF polysulfone
  • PE polyethylene
  • PS polystyrene
  • PMMA acrylic
  • FIG. 3 is a state diagram in which the sealing member 3 of FIG. 1 is held between the housing members 1 and 2, but the sealing members 32a and 32b are between the holding member 31 and the sealing members 32a and 32b.
  • the relief portions 4 of the lip portions 321a and 321b when the two housing members 1 and 2 are press-contacted and held are provided. This prevents damage due to the sealing members 32a and 32b being engaged between the housing members 1 and 2 and the holding member 31, and maintains a stable seal surface pressure.
  • this type sealing member 3 can be suitably used for a waterproof mobile phone, in which case one housing member 1 is a case of the waterproof mobile phone, and the other housing member 2 is a lid of the mobile phone Become.
  • this kind of sealing member 3 is sandwiched between the flat both surfaces of both housing members 1 and 2, but the both housing members 1 and 2 do not necessarily have to be flat, As shown in FIG. 4, it is also possible to provide an annular groove 6 in the other housing member 2 and use the sealing member 3 in this groove 6.
  • FIG. 5 is a state diagram in which this type sealing member 3 is molded in a mold, but the annular projections 811, 812, 821, 822 provided on the upper mold 81 and the lower mold 82 respectively are resin materials. Since the rubber material of the seal members 32a and 32b is prevented from flowing out as burrs in contact with the holding member 31 made of metal, the generation of burrs can be suppressed. In particular, the fact that the holding member 31 is made of a resin material can maintain a good close contact with the upper mold 81 and the lower mold 82, which is a factor that can suppress the occurrence of burrs.
  • the sealing member according to the present invention can be used for waterproofing of electronic devices, in particular, waterproof mobile phones.

Abstract

Provided is a sealing member wherein it is not necessary to provide a groove in a housing and, accordingly, the size and the thickness of a case can be reduced; a gasket can be easily handled; and a stable sealing performance can be maintained. The sealing member is provided between a housing member and another housing member, and seals a gap between both housing members. The sealing member is comprised of a retainer member composed of a resin material and having a substantially H-shaped section, and a pair of rubber seal members integrally provided in both grooves of the retainer member. Lip portions projected from both grooves are formed on both rubber seal members.

Description

密封部材Sealing member
　本発明は、電子機器の密封部材に係り、更に詳しくは、携帯電話端末等の電子機器の内部へ水滴が浸入しないようにシールする構造に関するものである。
　従って、本発明の密封部材は、防水電子機器のシール構造として好適に利用される。 The present invention relates to a sealing member of an electronic device, and more particularly, to a structure for sealing so that water droplets do not enter the inside of an electronic device such as a mobile phone terminal.
Therefore, the sealing member of the present invention is suitably used as a sealing structure of a waterproof electronic device.
　図６に示す様に、例えば携帯電話端末においては、互いに嵌合するハウジング１００、２００を組み合わせて、ケースが形成されており、このケース内に水滴が浸入しないように、ハウジング１００、２００間には、ゴム単体のＯリング等よりなるガスケット３００が介装されている（特許文献１）。 As shown in FIG. 6, for example, in a portable telephone terminal, a case is formed by combining housings 100 and 200 which are fitted to each other, and between the housings 100 and 200 so that water droplets do not enter the case. A gasket 300 consisting of an O-ring or the like made of a single rubber is interposed (Patent Document 1).
　また、ガスケット３００は、その圧縮量（潰し代）を一定に保つべく、ハウジング２００に設けた環状溝６００内に配置される。
　このことにより、ハウジング１００、２００相互が当接することにより、それ以上過大にガスケット３００が圧縮される事は無い。
　そして、近年、ケースの小型化及び薄肉化が要求されているため、ここに使用されるガスケット３００についても、ハウジング１００，２００に対してできるだけ負荷をかけないよう、小断面化および低硬度材化が要求されている。 Further, the gasket 300 is disposed in an annular groove 600 provided in the housing 200 so as to keep the amount of compression (crushing margin) constant.
As a result, when the housings 100 and 200 abut each other, the gasket 300 will not be compressed excessively.
And, in recent years, since the case needs to be reduced in size and thickness, the gasket 300 used here is also reduced in cross section and hardness so as not to load the housing 100 and 200 as much as possible. Is required.
　しかしながら、このようにガスケット３００を小断面化及び低硬度材化を進めると、ガスケット３００自体の剛性が非常に小さく成らざるを得ない。
　この結果、ガスケット３００のハンドリング性（取り扱い作業性）が低下することから、
ガスケット３００の組付作業の作業効率が悪化する問題を招来した。 However, if the gasket 300 is reduced in cross section and reduced in hardness as described above, the rigidity of the gasket 300 itself must be extremely reduced.
As a result, the handleability (handling workability) of the gasket 300 is reduced.
The problem arises that the work efficiency of the assembling work of the gasket 300 is deteriorated.
　この問題を解決するには、図７に示すように、ゴム単体ガスケット３００の剛性を高めて、ハンドリング性（取り扱い作業性）を向上させる試みがなされた。
　すなわち、ガスケット３００に樹脂フィルム５００を全周に亙って一体化することが試みられた。
　このことにより、樹脂フィルム５００は、ゴム単体のガスケット３００よりも剛性が高いことから、樹脂フィルム５００をゴム単体のガスケット３００に一体化することによりガスケット３００が変形しにくくなり、ガスケット３００のハンドリング性（取り扱い作業性）が向上した。 In order to solve this problem, as shown in FIG. 7, an attempt was made to increase the rigidity of the single rubber gasket 300 to improve the handling property (handling workability).
That is, it has been attempted to integrate the resin film 500 in the gasket 300 over the entire circumference.
As a result, since the resin film 500 is higher in rigidity than the gasket 300 made of rubber alone, the gasket 300 becomes difficult to be deformed by integrating the resin film 500 with the gasket 300 made of rubber alone, and the handling property of the gasket 300 is improved. The handling efficiency has been improved.
　しかしながら、このようなガスケット３００も、図６に示す様な、ハウジング２００に設けた環状溝６００内に配置して使用する必要があった。
　このため、ハウジング２００に環状溝６００を形成する為の費用が嵩むばかりでなく、ハウジング２００が肉厚にならざるを得ず、ケースの小型化及び薄肉化を阻害する要因の一つとなっていた。 However, such a gasket 300 also needs to be disposed and used in an annular groove 600 provided in the housing 200 as shown in FIG.
Therefore, not only the cost for forming the annular groove 600 in the housing 200 is increased, but the housing 200 has to be thick, which has been one of the factors that hinder the downsizing and thinning of the case. .
　この対策の一つとして、図８に示す様に、ゴム単体ガスケット３００が接着剤層７００を介して、ハウジング１００側に固着され、平坦面の（溝を設けない）ハウジング２００との間で挟持する態様が提案された（特許文献２）。
　しかし、ハウジング１００，２００間の圧縮量（間隙）がばらつく為、ガスケット３００の安定したシール性能が得られない問題を惹起した。 As one of measures against this, as shown in FIG. 8, a single rubber gasket 300 is fixed to the housing 100 side through the adhesive layer 700 and held between the flat surface (without the groove) and the housing 200. An embodiment has been proposed (Patent Document 2).
However, the amount of compression (the gap) between the housings 100 and 200 varies, causing a problem that a stable sealing performance of the gasket 300 can not be obtained.
特開２００８－２４９１３９号公報JP 2008-249139 A 特開２００８－２４８８９９号公報JP 2008-248899 A
　本発明は、ハウジング側に溝加工を施す必要が無いことから、ケースの小型化及び薄肉化が図られると共に、ガスケットの取り扱い性が良好で、安定したシール性能が維持できる密封部材を提供できることを目的とするものである。 The present invention can provide a sealing member capable of reducing the size and thinning of the case since there is no need for grooving on the housing side, as well as having a good handleability of the gasket and maintaining a stable sealing performance. It is the purpose.
　上記目的を達成するために本発明にあっては、一方のハウジング部材と他方のハウジング部材との間に介在して、前記両部材間の間隙を密封する密封部材において、
　前記密封部材が、断面略Ｈ形状の樹脂材製保持部材と、前記保持部材の両溝部に一体的設けた一対のゴム材製シール部材とより構成され、前記両シール部材には、前記両溝部より突出したリップ部が形成されていることを特徴とする。 In order to achieve the above object, according to the present invention, in a sealing member interposed between one housing member and the other housing member to seal the gap between the two members,
The sealing member is composed of a holding member made of a resin material having a substantially H-shaped cross section, and a pair of rubber sealing members integrally provided in both groove portions of the holding member. It is characterized in that a more projecting lip portion is formed.
　本発明は、以下に記載されるような効果を奏する。
　請求項１記載の発明の密封部材によれば、ハウジング側に溝加工を施す必要が無いことから、ケースの小型化及び薄肉化が図られると共に、ガスケットの取り扱い性が良好で、安定したシール性能が維持出来る。
　また、請求項２記載の発明の密封部材によれば、接着剤を用いる事無く、シール部材と保持部材とを一体化することが出来ると共に、成形が容易である。 The present invention has the following effects.
According to the sealing member of the first aspect of the present invention, since there is no need to form a groove on the housing side, the case can be miniaturized and thinned, and the handleability of the gasket is good, and the sealing performance is stabilized. Can be maintained.
According to the sealing member of the second aspect of the present invention, the sealing member and the holding member can be integrated without using an adhesive, and the molding is easy.
　更に、請求項３記載の発明の密封部材によれば、ハウジング部材と保持部材との間で、シール部材が噛み込まれることによる損傷を防止すると共に、安定したシール面圧を維持出来る。
　更に、請求項４記載の発明の密封部材によれば、防水携帯電話用として最適である。 Furthermore, according to the sealing member of the third aspect of the present invention, it is possible to prevent a damage due to the sealing member getting caught between the housing member and the holding member and to maintain a stable seal surface pressure.
Furthermore, according to the sealing member of the invention according to claim 4, it is most suitable for waterproof mobile phones.
　更に、請求項５記載の発明の密封部材によれば、ハウジング側に溝加工を施こさないタイプに好適に用いられる。 Furthermore, according to the sealing member of the invention of claim 5, it is suitably used for the type in which the grooved side is not formed on the housing side.
本発明に係る密封部材の断面図。Sectional drawing of the sealing member based on this invention. 図１で使用した樹脂材製保持部材の部分斜視図。FIG. 2 is a partial perspective view of a holding member made of a resin material used in FIG. 図１の密封部材がハウジング部材間に挟持された状態図。The state figure in which the sealing member of FIG. 1 was clamped between housing members. 図１の密封部材が溝を設けたハウジング部材間に挟持された状態図。The state figure in which the sealing member of FIG. 1 was clamped between the housing members which provided the groove | channel. 図１の密封部材が金型内で成形されている状態図。The state figure in which the sealing member of FIG. 1 is shape | molded in the metal mold | die. 従来技術に係る密封部材が、ハウジング部材間に挟持された状態図。The state figure in which the sealing member which concerns on a prior art was clamped between housing members. 更なる他の従来技術に係る密封部材の断面図。FIG. 7 is a cross-sectional view of a sealing member according to still another prior art. 他の従来技術に係る密封部材がハウジング部材間に挟持された状態図。The state figure in which the sealing member which concerns on another prior art was clamped between housing members.
　以下、本発明を実施するための最良の形態について説明する。
　本発明に係る密封部材は、図１乃至図３に示す様に、一方のハウジング部材１と他方のハウジング部材２との間に介在して、この両部材１、２間の間隙を密封する密封部材３であって、この密封部材３が、断面略Ｈ形状の樹脂材製保持部材３１と、この保持部材３１の両溝部３１１ａ、３１１ｂに一体的設けた一対のゴム材製シール部材３２ａ、３２ｂとより構成され、両シール部材３２ａ、３２ｂには、両溝部３１１ａ、３１１ｂより突出したリップ部３２１ａ、３２１ｂが形成された構成としている。 The best mode for carrying out the present invention will be described below.
The sealing member according to the present invention, as shown in FIGS. 1 to 3, is a seal which is interposed between one housing member 1 and the other housing member 2 to seal the gap between the two members 1 and 2. The sealing member 3 is a holding member 31 made of resin material having a substantially H-shaped cross section, and a pair of rubber sealing members 32a and 32b integrally provided in both groove portions 311a and 311b of the holding member 31. The two seal members 32a and 32b are formed with lip portions 321a and 321b protruding from the groove portions 311a and 311b.
　また、断面略Ｈ形状の樹脂材製保持部材３１は、図２に示す様に、その内周側筒部３１３と外周側筒部３１４、及びこの内周側筒部３１３と外周側筒部３１４とを連結している連結部３１２とより構成されている。
　この保持部材３１は、通常略矩形の環状形状を呈しており、平面形状に限らず、使用用途により３次元の立体形状のものとしても使用できる。
　そして、この連結部３１２には、貫通孔３１２１が複数個等配に形成されている。 Further, as shown in FIG. 2, the holding member 31 made of a resin material having a substantially H-shaped cross section has its inner peripheral side cylindrical portion 313 and outer peripheral side cylindrical portion 314, and the inner peripheral side cylindrical portion 313 and outer peripheral side cylindrical portion 314. And a connecting portion 312 connecting the two.
The holding member 31 usually has a substantially rectangular annular shape, and is not limited to a planar shape, and can be used as a three-dimensional three-dimensional shape depending on the application.
A plurality of through holes 3121 are formed equidistantly in the connecting portion 312.
　また、シール部材３２ａ、３２ｂは、この貫通孔３１２１を介して一体化されている。
　更に、リップ部３２１ａ、３２１ｂが、両溝部３１１ａ、３１１ｂより突出している長さＸは、密封部材３がハウジング部材１、２間に挟持された状態で、最適な密封面圧が得られる様設計されている。
　シール部材３２ａ、３２ｂの材質としては、ゴム状弾性を備えたゴム材であり、ニトリルゴム、アクリルゴム、ＥＰＤＭ、ＣＲ、シリコーンゴム、フッ素ゴム、天然ゴム等が挙げられ、各種用途に応じて適宜選択して用いられるが、液状シリコーンゴム、液状フッ素ゴム等の自己接着性ゴムが好ましい。 In addition, the seal members 32 a and 32 b are integrated through the through hole 3121.
Furthermore, the length X where the lip portions 321a and 321b protrude from the both groove portions 311a and 311b is designed such that an optimum sealing surface pressure can be obtained in a state where the sealing member 3 is held between the housing members 1 and 2. It is done.
The material of the sealing members 32a and 32b is a rubber material having rubber-like elasticity, and includes nitrile rubber, acrylic rubber, EPDM, CR, silicone rubber, fluororubber, natural rubber, etc. Although selected and used, self-adhesive rubber such as liquid silicone rubber and liquid fluororubber is preferable.
　また、樹脂材製保持部材３１の材質としては、弾性を備えた樹脂材であり、ＡＢＳ樹脂、ＰＰ（ポリプロピレン）、ＰＥＮ（ポリエチレンナフタレート）、ＰＳＦ（ポリスルホン）、ＰＥ（ポリエチレン）、ＰＳ（ポリスチレン）、ＰＭＭＡ（アクリル）、ＰＥＴ（ポリエチレンテレフタレート）、ＰＰＥ（ポリフェニレンエーテル）、ＰＡ（ナイロン／ポリアミド）、ＰＣ（ポリカーボネイト）、ＰＯＭ（ポリアセタール）、ＰＢＴ（ポリブチレンテレフタレート）、ＰＰＳ（ポリフェニレンサルファイド）、ＰＥＥＫ（ポリエーテルエーテルケトン）、ＬＣＰ（液晶ポリマー）、フッ素樹脂、ウレタン樹脂等が挙げられ、各種用途に応じて適宜選択して用いられる。 The material of the holding member 31 made of resin material is a resin material having elasticity, and ABS resin, PP (polypropylene), PEN (polyethylene naphthalate), PSF (polysulfone), PE (polyethylene), PS (polystyrene) ), PMMA (acrylic), PET (polyethylene terephthalate), PPE (polyphenylene ether), PA (nylon / polyamide), PC (polycarbonate), POM (polyacetal), PBT (polybutylene terephthalate), PPS (polyphenylene sulfide), PEEK (Polyether ether ketone), LCP (liquid crystal polymer), fluoro resin, urethane resin, etc. are mentioned, and it selects suitably according to various use, and is used.
　更に、図３は、図１の密封部材３がハウジング部材１、２間に挟持された状態図であるが、保持部材３１とシール部材３２ａ、３２ｂとの間に、シール部材３２ａ、３２ｂが、両ハウジング部材１、２間に圧接挟持された際のリップ部３２１ａ、３２１ｂの逃げ部４が設けられている。
　このことにより、ハウジング部材１、２と保持部材３１との間で、シール部材３２ａ、３２ｂが噛み込まれることによる損傷を防止すると共に、安定したシール面圧を維持出来る。 Furthermore, FIG. 3 is a state diagram in which the sealing member 3 of FIG. 1 is held between the housing members 1 and 2, but the sealing members 32a and 32b are between the holding member 31 and the sealing members 32a and 32b. The relief portions 4 of the lip portions 321a and 321b when the two housing members 1 and 2 are press-contacted and held are provided.
This prevents damage due to the sealing members 32a and 32b being engaged between the housing members 1 and 2 and the holding member 31, and maintains a stable seal surface pressure.
　更に、密封部材３は、断面略Ｈ形状の樹脂材製保持部材３１を介して、ハウジング部材１、２間に、しっかりと安定した状態で挟持されるため、密封部材３が捩れて装着される危険性が無い。
　また、この種密封部材３は、防水携帯電話に好適に用いる事が出来、その場合、一方のハウジング部材１が、防水携帯電話のケースであり、他方のハウジング部材２が、携帯電話の蓋となる。 Furthermore, since the sealing member 3 is nipped between the housing members 1 and 2 in a stable and stable state via the holding member 31 made of resin material having a substantially H-shaped cross section, the sealing member 3 is twisted and mounted. There is no danger.
Further, this type sealing member 3 can be suitably used for a waterproof mobile phone, in which case one housing member 1 is a case of the waterproof mobile phone, and the other housing member 2 is a lid of the mobile phone Become.
　更に、この種密封部材３は、図３に示す様に、両ハウジング部材１、２の平坦な両面間に挟持され態様としているが、必ずしも両ハウジング部材１、２が平坦である必要はなく、図４に示す様に、他方のハウジング部材２に環状の溝６を設け、この溝６内に密封部材３を配置する形で使用する事も可能である。 Furthermore, as shown in FIG. 3, this kind of sealing member 3 is sandwiched between the flat both surfaces of both housing members 1 and 2, but the both housing members 1 and 2 do not necessarily have to be flat, As shown in FIG. 4, it is also possible to provide an annular groove 6 in the other housing member 2 and use the sealing member 3 in this groove 6.
　図５は、この種密封部材３が、金型内で成形されている状態図であるが、上金型８１及び下金型８２にそれぞれ設けた環状突起８１１、８１２、８２１、８２２が樹脂材製保持部材３１に当接して、シール部材３２ａ、３２ｂのゴム材料がバリとして流出する事を阻止している為、バリの発生を抑える事が出来る。
　特に、保持部材３１が樹脂材製であることが、上金型８１及び下金型８２との良好な密接状態を維持できる為、バリの発生を抑止できる要因となっている。 FIG. 5 is a state diagram in which this type sealing member 3 is molded in a mold, but the annular projections 811, 812, 821, 822 provided on the upper mold 81 and the lower mold 82 respectively are resin materials. Since the rubber material of the seal members 32a and 32b is prevented from flowing out as burrs in contact with the holding member 31 made of metal, the generation of burrs can be suppressed.
In particular, the fact that the holding member 31 is made of a resin material can maintain a good close contact with the upper mold 81 and the lower mold 82, which is a factor that can suppress the occurrence of burrs.
　本発明に係る密封部材は、電子機器の防水、特に防水携帯電話に使用できる。 The sealing member according to the present invention can be used for waterproofing of electronic devices, in particular, waterproof mobile phones.
１　　一方のハウジング部材
２　　他方のハウジング部材
３　　密封部材
４　　逃げ部
３１　樹脂材製保持部材
３２ａ、３２ｂシール部材
３１１ａ、３１１ｂ溝部
３１２連結部
３１３内周側筒部
３１４外周側筒部
３２１ａ、３２１ｂリップ部
３１２１貫通孔 DESCRIPTION OF SYMBOLS 1 One housing member 2 The other housing member 3 Sealing member 4 Relief part 31 Resin-made holding member 32a, 32b Seal member 311a, 311b Groove part 312 Connection part 313 Inner peripheral side cylindrical part 314 Outer peripheral side cylindrical part 321a, 321b Lip part 3121 through hole

Claims (5)

  1. 　一方のハウジング部材（１）と他方のハウジング部材（２）との間に介在して、前記両部材（１）、（２）間の間隙を密封する密封部材（３）において、
    　前記密封部材（３）が、断面略Ｈ形状の樹脂材製保持部材（３１）と、前記保持部材（３１）の両溝部（３１１ａ）、（３１１ｂ）に一体的設けた一対のゴム材製シール部材（３２ａ）、（３２ｂ）とより構成され、前記両シール部材（３２ａ）、（３２ｂ）には、前記両溝部（３１１ａ）、（３１１ｂ）より突出したリップ部（３２１ａ）、（３２１ｂ）が形成されていることを特徴とする密封部材。     In a sealing member (3) interposed between one housing member (1) and the other housing member (2) to seal the gap between the two members (1) and (2),
    Holding member (31) made of a resin material, the sealing member (3) having a substantially H-shaped cross section, and a pair of rubber-made seals provided integrally with both grooves (311a) and (311b) of the holding member (31) The two seal members (32a) and (32b) are formed by members (32a) and (32b), and lip portions (321a) and (321b) protruding from the both groove portions (311a) and (311b) A sealing member characterized in that it is formed.
  2. 　前記両シール部材（３２ａ）、（３２ｂ）が、前記保持部材（３１）の連結部（３１２）に設けた貫通孔（３１２１）を介して一体化されていることを特徴とする請求項１記載の密封部材。 The two seal members (32a) and (32b) are integrated through a through hole (3121) provided in the connecting portion (312) of the holding member (31). Sealing member.
  3. 　前記保持部材（３１）と前記シール部材（３２ａ）、（３２ｂ）との間に、前記シール部材（３２ａ）、（３２ｂ）が、前記両ハウジング部材（１）、（２）間に圧接挟持された際の前記リップ部（３２１ａ）、（３２１ｂ）の逃げ部（４）が設けられていることを特徴とする請求項１または２記載の密封部材。 The sealing members (32a) and (32b) are press-contacted and held between the two housing members (1) and (2) between the holding member (31) and the sealing members (32a) and (32b). The sealing member according to claim 1 or 2, further comprising a relief portion (4) of the lip portion (321a), (321b) at the time of bending.
  4. 　前記一方のハウジング部材（１）が、防水携帯電話のケースであり、前記他方のハウジング部材（２）が、携帯電話の蓋であることを特徴とする請求項１～３いずれか一項に記載の密封部材。 The device according to any one of claims 1 to 3, wherein the one housing member (1) is a case of a waterproof mobile phone, and the other housing member (2) is a lid of the mobile phone. Sealing member.
  5. 　前記密封部材（３）が、前記両ハウジング部材（１）、（２）の平坦な両面間に挟持されていることを特徴とする請求項１～４いずれか一項に記載の密封部材。 A sealing member according to any one of the preceding claims, characterized in that the sealing member (3) is sandwiched between the flat sides of both housing members (1), (2).
PCT/JP2011/052470 2010-03-16 2011-02-07 Sealing member WO2011114800A1 (en)

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JP2011190892A (en) 2011-09-29
CN102428301A (en) 2012-04-25

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