CN1200346A - Waterproof structure of cases - Google Patents

Waterproof structure of cases Download PDF

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Publication number
CN1200346A
CN1200346A CN 98101486 CN98101486A CN1200346A CN 1200346 A CN1200346 A CN 1200346A CN 98101486 CN98101486 CN 98101486 CN 98101486 A CN98101486 A CN 98101486A CN 1200346 A CN1200346 A CN 1200346A
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CN
China
Prior art keywords
casing
waterproof construction
silicon
groove
sealing member
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Granted
Application number
CN 98101486
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Chinese (zh)
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CN1100710C (en
Inventor
服部刚
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NEC Corp
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NEC Corp
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Publication of CN1200346A publication Critical patent/CN1200346A/en
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Publication of CN1100710C publication Critical patent/CN1100710C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Casings For Electric Apparatus (AREA)
  • Closures For Containers (AREA)
  • Gasket Seals (AREA)

Abstract

When install a couple of box cooperately, the invention provides a method to avoid the formation of a gap at seal portions of casings and the occurrence of strain of the casings by providing a place where a volume of a spur crushed when the casings are fitted to each other is released, a groove 3 is provided at a seal portion of a casing 1 over its entire circumference, and silicone is applied to the groove 3 to form a spur part 4 adhering closely to the groove 3 and capable of being deformed elastically. The spur part 4 is formed of two kinds of the materials different in hardness. Silicone 7 having low hardness is applied to a bottom face of the groove, and silicone 8 having high hardness is then applied to the top portion of the silicone 7. Further, a protrusion 5 is provided at a seal portion of a casing 2 over its entire circumference.

Description

The waterproof construction of casing
The present invention relates to the waterproof construction of casing, relate in particular to the waterproof construction that is used for two kinds of leakproofing materials of outdoor employing.
Be appreciated that at the casing described in the specification sheets wherein a casing and another casing cooperatively interact, be commonly called a casing.
Routinely, be configured as hand held device and outdoor installation, for example, have a structure casing is cooperatively interacted to reach water repellant purpose by packing.Figure 1A-1C has represented to use an example of the conventional waterproof construction of packing casings.This structure cooperatively interacts casing 21 and casing 22, by packing 24 are inserted be configured in casing 21 and with in the groove on the hermetic unit of its casing that matches 22 23 to reach water repellant purpose.Packing 24 are made up of packing body 24A and packing fin 24B, wherein, when packing 24 are inserted groove 23, because the wall of elastic deformation fin 24B extruded channels 23 and packing body 24A also are subjected to the pressure from groove 23 sidewalls, groove 23 prevents coming off of packing 24.
Yet when casing 22 closed or opens, packing 24 still might come off, if packing are in inappropriate insertion state, waterproof will can not get guaranteeing.Above-mentioned waterproof construction is provided with so that packing 24 are pressed into the scheme that groove 23 cooperates, and still, described packing needn't never break away from groove 23.
Addressing the above problem suggestion: to realize by the encapsulating method that adopts configuration one groove on the box sealing part as the waterproof construction of casing, and with silicon, silaatic, silicone resin or suchlike material put in the groove.Fig. 2 A and 2B represent to realize by this encapsulating method an example of casing waterproof construction.Form sealing member 34 by directly silicon being applied to the groove 33 that is configured on casing 31 hermetic units, waterproof construction cooperates each other to reach water repellant purpose casing 31 and casing 32, then casing 31 and casing 32 is installed mutually.When directly silicon being put on casing 31, synthetic adhesion stops silicon to come off.
Fig. 3 A to 3C is illustrated in unexamined 1992 Japanese patent application publication No.: the waterproof construction of described semiconductor device on 17359.
One radiator 45 has a tank and is used for cooling and disperses semi-conductive heat in order to conduct cold air in cover plate 43 by a metal base plate 44.On the other hand, the packing 41 of frame-like are around the circumferential arrangement of cover plate 43, because elastic deformation pushes cover plates 43 and prevents that the water droplet 4a on the radiator 45 from entering cover plate 43 by projection 42 wherein.Cover plate 43 is connected with the metab 44 that has adhesive agent 46.Yet owing to relate to the problem of durability and appearance, this waterproof construction seldom is applied to hand held device and outdoor installation.
Described in the encapsulating method of routine as Fig. 2 A and 2B, when casing cooperatively interacts, because the resilience of silicon forms a gap at hermetic unit.Especially, when this encapsulating method is applied to plastic box, the distortion of casing may appear.Reason is: when casing cooperatively interacts, of no use to slow down the zone that is extruded the synthetic volume of silicon.
Be used to overcome above-mentioned shortcoming if having the silicon (or having compressible any material) of soft, because its compressibility has solved the problem of resilience, so, its waterproof effect of comparing with the silicon with higher hardness descends.Reason is: have compressibility than soft silicon less than the compressibility with higher hardness silicon.Therefore, the former has the water resistance lower than the latter.
The objective of the invention is: when a pair of casing cooperatively interacts,, avoid forming a gap, avoid taking place the distortion of casing at the hermetic unit of casing by providing in order to the be sealed by extrusion zone of synthetic volume of part of mitigation.
According to a waterproof construction that the invention provides casing, wherein, on a hermetic unit of a pair of casing that cooperatively interacts, one sealing member is made of first material and second material, first material has lower hardness and compressibility, and it is directly put on the casing, and second material has higher consistency and elasticity, it is directly put on first material, and wherein sealing member is pushed to reach water repellant purpose by another casing.
Waterproof construction of the present invention by tighten screw casing be installed and on hermetic unit the sealing member of extruding elastically deformable obtain water resistance.Sealing member by directly put on casing have than a soft and a compressible material (as: silicon or suchlike material) and directly put on described material have higher hardness and elastomeric another material (as: silicon, silaatic, silicone resin or suchlike material) constitute.When pressure was applied in hermetic unit, the silicon of less hardness or suchlike material were compressed, thereby can relax the synthetic volume of the material that is sealed by extrusion, the distortion that it has been avoided forming the gap between casing and casing takes place.
Form in lip-deep harder silicon of hermetic unit or suchlike material and have the elasticity of enough acquisition waterproof effects.
Figure 1A represents the decomposition diagram of casing, and it uses conventional packing to be used for waterproof construction;
Figure 1B represents the section-drawing of casing portions of packaging material, and it uses conventional packing to be used for waterproof construction before cooperatively interacting;
Fig. 1 C represents to be used for the section-drawing of the conventional packing of casing waterproof construction;
Fig. 2 A represents to be applied to the decomposition diagram of the water repellant conventional encapsulating method of casing;
Fig. 2 B represents along the section-drawing of Fig. 2 A line B-B direction;
Fig. 3 A represents the plan view of the conventional waterproof construction of semiconductor device;
Fig. 3 B represents the section-drawing of the conventional waterproof construction of semiconductor device;
Fig. 3 C represents the amplification profile of the conventional waterproof construction of semiconductor device, is used to show the state that forms water droplet on spreader surface;
Fig. 4 A represents to have the decomposition diagram of waterproof construction casing of the present invention;
Fig. 4 B represents along the section-drawing of Fig. 4 A line A-A direction;
Fig. 4 C represents to have the section-drawing of the hermetic unit of waterproof construction casing, is used to show the state before cooperatively interacting; And
Fig. 4 D represents to have the section-drawing of hermetic unit of the casing of waterproof construction embodiment, is used to show the state after cooperatively interacting.
To be described embodiments of the invention hereinafter with reference to accompanying drawing.
With reference to accompanying drawing 4A-4D, be used for outdoor the same case and comprise: casing 1 and casing 2, both have by clamp-screw 6 leak frees one structure.Casing 1 has a hermetic unit, and cannelure 3 disposes around hermetic unit, and wherein, silicon is applied in the groove 3, so that it is held wherein, and the sealing member 4 of elastically deformable thereby formation contacts with groove 3.Sealing member 4 is made of two kinds of materials, and it adopts the silicon of different hardness, adopts the silicon 7 with end hardness to the inner bottom surface of groove 3, adopts the silicon 8 with high hardness simultaneously again.In addition, a projection is along the hermetic unit configuration of around tank 2.As above-mentioned mentioned box shape, when casing 1 and casing 2 cooperatively interact, clamp-screw, projection 5 squeeze sealing members 4, thus can reach water repellant purpose.At this moment, the less silicon 7 of hardness has compressibility and is extruded the synthetic volume of silicon with minimizing.Thereby, make between casing 1 and the casing 2 and do not form the gap, thereby, the distortion of casing can be avoided.
In addition, because it has high resiliency, harder silicon 8 is used for waterproof.
As seen by above-mentioned, when casing cooperatively interacted, the present invention can avoid forming at hermetic unit the distortion of gap and casing.Casing is provided with waterproof construction, and it is to carry out the leak free method by the sealing member that uses elastically deformable to obtain.
Reason be sealing member by directly put on casing have than a soft and a compressible material (as: silicon or suchlike material) and directly put on again described material have higher hardness and elastomeric another material (as: silicon or suchlike material) constitutes.When pressure was applied in sealing member, the less silicon of hardness was compressed.Thereby, can reduce the synthetic volume of the part that is sealed by extrusion.
In addition, sealing member of the present invention has compressibility and elasticity is used for waterproof.
Reason be sealing member by directly put on casing have than a soft and a compressible material (as: silicon or suchlike material) and directly put on again described material have higher hardness and elastomeric another material (as: silicon or suchlike material) constitutes, owing to adopt the silicon of higher hardness or like thatly have an elastomeric material, therefore, resilience takes place when extruding.

Claims (4)

1. the waterproof construction of a casing, it is characterized in that: on the hermetic unit of one of a pair of casing that cooperatively interacts, sealing member by the described casing part that directly puts on described casing have than soft and compressible first material and directly put on described first material have higher hardness and elastomeric second material constitutes, and wherein said sealing member is partly pushed to reach water repellant purpose by another casing of described casing.
2. as the waterproof construction at the casing described in the claim 1, it is characterized in that: described first and second materials all are silicon.
3. as waterproof construction, it is characterized in that: be arranged on the described sealing member of a projections press on described another casing at the casing described in the claim 1.
4. as the waterproof construction at the casing described in the claim 1, it is characterized in that: cannelure is arranged on a casing part of described casing, and described sealing member is accommodated in the described groove.
CN98101486A 1997-05-26 1998-05-21 Waterproof structure of cases Expired - Fee Related CN1100710C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP135194/1997 1997-05-26
JP9135194A JP3024677B2 (en) 1997-05-26 1997-05-26 Waterproof structure of housing
JP135194/97 1997-05-26

Publications (2)

Publication Number Publication Date
CN1200346A true CN1200346A (en) 1998-12-02
CN1100710C CN1100710C (en) 2003-02-05

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CN98101486A Expired - Fee Related CN1100710C (en) 1997-05-26 1998-05-21 Waterproof structure of cases

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JP (1) JP3024677B2 (en)
CN (1) CN1100710C (en)
AU (1) AU741270B2 (en)
BR (1) BR9802132A (en)
ID (1) ID20333A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1294328C (en) * 2004-06-11 2007-01-10 辽宁省水利水电科学研究院 Instrument box protecting dam barometer tube
CN101998794A (en) * 2009-08-24 2011-03-30 富士通株式会社 Waterproof-type electronic equipment
CN102458076A (en) * 2010-10-26 2012-05-16 亚旭电脑股份有限公司 Waterproof method and structure thereof
CN103204296A (en) * 2012-04-02 2013-07-17 摩尔动力(北京)技术股份有限公司 Sealed container
CN108231948A (en) * 2018-02-11 2018-06-29 安徽问天量子科技股份有限公司 The pumping gas-flow closure system and its operating method of avalanche photodide
CN112797109A (en) * 2020-12-30 2021-05-14 哈尔滨科锐同创机模制造有限公司 Sealing structure

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* Cited by examiner, † Cited by third party
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JP4553145B2 (en) * 2006-04-25 2010-09-29 株式会社シマノ Cooler box
JP2008003332A (en) * 2006-06-22 2008-01-10 Chugoku Electric Power Co Inc:The Closure for cable connection
JP5413976B2 (en) * 2010-04-19 2014-02-12 Necカシオモバイルコミュニケーションズ株式会社 Portable device
JP5712352B2 (en) 2011-02-28 2015-05-07 パナソニックIpマネジメント株式会社 LED unit and lighting apparatus using the same
DK177806B1 (en) 2012-12-03 2014-07-21 Airmaster As Airtight enclosure for accommodating a ventilation system
JP6471361B2 (en) * 2014-03-31 2019-02-20 日東工業株式会社 Packing for electrical equipment storage box
CN105704274B (en) * 2016-04-16 2024-04-05 深圳市宝尔爱迪科技有限公司 Waterproof structure of electronic product and mobile phone using same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126591A (en) * 1964-03-31 Hamilton
DE3443220C1 (en) * 1984-11-27 1988-08-18 Walter 8700 Würzburg Hunger Sealing unit and method of manufacturing the same
CN87212130U (en) * 1987-08-22 1988-04-27 孙渭滨 Durable sealing strengthening ring for pressure cooker
CN2178224Y (en) * 1993-10-14 1994-09-28 李承龙 Sealing plastic fresh-keeping container
CN2185248Y (en) * 1994-03-12 1994-12-14 陈家松 High-vacuum preserving container and manual pump thereof
US5536018A (en) * 1994-11-14 1996-07-16 Fel-Pro Incorporated Flexible spaghetti gasket seal with stiffening member

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1294328C (en) * 2004-06-11 2007-01-10 辽宁省水利水电科学研究院 Instrument box protecting dam barometer tube
CN101998794A (en) * 2009-08-24 2011-03-30 富士通株式会社 Waterproof-type electronic equipment
CN101998794B (en) * 2009-08-24 2013-11-20 富士通株式会社 Waterproof-type electronic equipment
CN102458076A (en) * 2010-10-26 2012-05-16 亚旭电脑股份有限公司 Waterproof method and structure thereof
CN103204296A (en) * 2012-04-02 2013-07-17 摩尔动力(北京)技术股份有限公司 Sealed container
CN108231948A (en) * 2018-02-11 2018-06-29 安徽问天量子科技股份有限公司 The pumping gas-flow closure system and its operating method of avalanche photodide
CN108231948B (en) * 2018-02-11 2024-03-01 安徽问天量子科技股份有限公司 Pumped gas sealing system of avalanche photodiode and operation method thereof
CN112797109A (en) * 2020-12-30 2021-05-14 哈尔滨科锐同创机模制造有限公司 Sealing structure

Also Published As

Publication number Publication date
CN1100710C (en) 2003-02-05
ID20333A (en) 1998-11-26
AU741270B2 (en) 2001-11-29
JPH10324360A (en) 1998-12-08
JP3024677B2 (en) 2000-03-21
AU6809698A (en) 1998-11-26
BR9802132A (en) 1999-06-08

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