CN103635725B - Containment member and composite seal member - Google Patents
Containment member and composite seal member Download PDFInfo
- Publication number
- CN103635725B CN103635725B CN201280024581.1A CN201280024581A CN103635725B CN 103635725 B CN103635725 B CN 103635725B CN 201280024581 A CN201280024581 A CN 201280024581A CN 103635725 B CN103635725 B CN 103635725B
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- Prior art keywords
- containment member
- component
- silica hydrogel
- molded body
- seal member
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Classifications
-
- 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
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0262—Details of the structure or mounting of specific components for a battery compartment
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
- Telephone Set Structure (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
The containment member (11) battery cover (12) in the framework (13) being embedded into equipment.Containment member (11) is made up of Silica hydrogel molded body, described Silica hydrogel molded body with 50～80% compression ratio 70 DEG C, place the compression set (JISK6262(ISO815) measured under conditions of 22 hours) for less than 5%, and needle penetration (JIS K2220(ISO2137)) be in the scope of 60～130.Containment member (11) improves battery cover (12) and the seal of framework (13), prevents water to the intrusion of the battery (111) etc. being positioned at device interior, and prevents battery cover (12), the deformation of framework (13), breakage.
Description
Technical field
The present invention relates to carry out between the parts such as the framework of electronic equipment, housing, substrate airtight
Containment member and composite seal member.
Background technology
In recent years, portable phone, portable audio player, digital camera, number are taken the photograph
The needing of the portable electric appts such as camera increases.These portable electric appts are attached
Add many functions, and the use environment of portable electric appts expands.Such as, portable
Electronic equipment is sometimes because daily life, the purposes of ledger are made in the place got wet by water
With.By such demand, in order to prevent the intrusion to device interior of water droplet, dust, just
The formula electronic equipment of taking is attached water-proof function.
Such as, having following composition described in patent documentation 1,2: in order to prevent water droplet,
Dust intrusion in framework, is provided with by rubber between the housing of framework, such parts being formed
The annular seal member that glue, thermoplastic elastomer (TPE) are constituted.
It addition, Patent Document 3 discloses the electronic equipment being connected to other by cable
Adapter.In order to protect adapter to exempt from dust, adapter is provided with connector cover.At this
In the case of, in order to adapter additional waterproof function, be provided with sealing in the inner side of connector cover
Component.
And, in Collapsible mobile terminal disclosed in patent documentation 1, pass through hinge
The 1st framework and the 2nd framework that are divided into 2 are linked by flexible printed circuit substrate.It addition,
Flexible printed circuit substrate is clipped with filler, is thus attached waterproof merit around hinge
Energy.
On the other hand, in the miniaturization/thinning of portable electric appts is in progress, in order to anti-
The only deformation of framework, breakage, it is desirable to the load of framework is suppressed little by containment member.Cause
This, containment member uses the material of soft.
Patent documentation 1: JP 2005-032752 publication
Patent documentation 2: JP 2008-288174 publication
Patent documentation 3: JP 2001-250629 publication
Summary of the invention
It is an object of the invention to provide following containment member: it has more excellent waterproof merit
Can, and the load to parts such as the frameworks being equipped with containment member can be suppressed.
In order to solve the problems referred to above, according to the 1st aspect of the present invention, it is provided that a kind of sealing structure
Part, described containment member compressed by the 1st component and the 2nd component and at the 1st component and the 2nd
Carry out airtight between component.Containment member is made up of Silica hydrogel molded body, and described Silica hydrogel becomes
Type body is according to JIS K6262(ISO815) with 50～80% compression ratio 70 DEG C, put
The compression set measured under conditions of putting 22 hours is less than 5%, and according to JIS
K2220(ISO2137) needle penetration measured is in the scope of 60～130.
According to this composition, because of by with the compression ratio of 50%～80% 70 DEG C, place 22
The compression set (JIS K6262(ISO815) measured under conditions of hour) be
The Silica hydrogel molded body of less than 5% is constituted, and therefore containment member is by the 1st component and the 2nd
Produce strong elastic force in the direction contrary with compression direction under the state of component compression, restore
To original shape.On the other hand, needle penetration (the JIS K2220 of Silica hydrogel molded body
(ISO2137) scope of 60～130, therefore pole compared with rubber-like elastic body) it are in
It is soft, the 1st component and the 2nd component will not be applied required above pressure.Therefore,
Even if assembling containment member, the 1st component, the 2nd structure between the 1st component and the 2nd component
Part is not deformed, breakage.It addition, also can send out relative to the 1st component and the 2nd component
Wave excellent close property.
Additionally, " the 1st component " and " the 2nd component " refer in such as portable electric appts
Framework, housing parts, cover, cap assembly, circuit substrate, IC chip, adapter,
The electronic units etc. such as battery.It addition, the 1st component and the 2nd component can be identical components (frames
Body and the relation of framework), it is also possible to it is different component (cover and the relation of battery, cover
Parts and the relation of the relation of adapter, housing parts and electronic unit).
In above-mentioned containment member, preferably Silica hydrogel molded body has autohension.
According to this composition, Silica hydrogel molded body has autohension, therefore by Silica hydrogel molded body
The containment member constituted easily attaches relative to the 1st component and the 2nd component.Additionally, it is so-called
Autohension refers to following character: no matter pressurizes with or without to containment member, can be attached at the 1st
Component, the 2nd component.
In above-mentioned containment member, preferably containment member is by Silica hydrogel molded body in the form of a ring
Constitute.
According to this composition, Silica hydrogel molded body is ring-type, therefore can be with o-ring, filler etc.
Similarly use.Accordingly, it is capable to obtain high seal in purposes widely.
In above-mentioned containment member, containment member by needle penetration different at least two or more
Silica hydrogel molded body constitute, preferably layer is stacked to Silica hydrogel molded body the most of more than two kinds and structure
Become.
According to this composition, the Silica hydrogel molded body tegillum the most of more than two kinds that needle penetration is different
Folded, therefore can have a water resistance, and multiple Silica hydrogel molded bodys of institute's stacking can be made each
From needle penetration, thickness different.Accordingly, it is capable to adjust the treatability of containment member.
Such as, if stacking needle penetration is 60 on the Silica hydrogel molded body that needle penetration is 130
Thin Silica hydrogel molded body, then can give containment member is the silicon of 130 based on needle penetration
The high flexibility of gel forming body.Thus, containment member can be maintained to the 1st component and the 2nd
The tracing ability of component, and can improve to become based on the Silica hydrogel that relatively hard needle penetration is 60
The process easness of type body.
In order to solve the problems referred to above, according to the 2nd aspect of the present invention, it is provided that a kind of compound close
Envelope component, it makes at least in above-mentioned containment member and the 1st component and the 2nd component
Side is integrated and constitutes.
Make at least one party one in the containment member of the present invention and the 1st component and the 2nd component
Body and form composite seal member, therefore can omit containment member is assembled to the 1st component,
The operation of the 2nd component, operability improves.
The 1st in this case, integrated with containment member component and/or the 2nd component (with
Lower it is referred to as " the 1st and the 2nd component ") can be that metal system, resin are made.
In the case of the 1st and the 2nd component is metal, at the mould making containment member molding
It is inserted into metal 1st and the 2nd component, the 1st and the 2nd structure can be made by insert moulding
Part is integrated with containment member.That is, the the 1st and the 2nd component will not be due to containment member molding
Time pressure, heat and deform or variable color, therefore can manufacture high-quality composite seal member.
It addition, the 1st and the 2nd component is metal, even if therefore the 1st and the 2nd component is relatively thin, also
The rigidity of containment member can be improved.Therefore, composite seal member and single containment member phase
Ratio is easily handled.
On the other hand, in the case of the 1st and the 2nd component is resin, the 1st and can be made
2 components are bonding or are fused to constitute the Silica hydrogel molded body of containment member and integrated.Separately
Outward, the 1st and the 2nd component is resin, therefore can suppress manufacturing cost, and also can improve
The rigidity of containment member.Therefore, composite seal member is prone to compared with single containment member
Process.
In order to solve the problems referred to above, according to the 3rd mode of the present invention, it is provided that a kind of compound close
Envelope component, it is formed with above-mentioned containment member on the surface of resin molding.
According to this composition, it is formed with containment member on the surface of resin molding, therefore with list
Only containment member is compared and is easily handled.Thus, it is easy to composite seal member to be assembled to
On 1 component, the 2nd component etc..
Accompanying drawing explanation
Fig. 1 is the sealing structure involved by the 1st embodiment being suitable for the present invention from back side viewing
The axonometric chart of the portable phone that the battery cover of part and battery cover are removed.
Fig. 2 is the sectional view of the 2-2 line along Fig. 1.
Fig. 3 is the sectional view of the portable phone being equipped with battery cover.
Fig. 4 is the sectional view of the battery cover involved by variation of the 1st embodiment.
Fig. 5 is the sectional view of the portable phone of the battery cover being equipped with Fig. 4.
Fig. 6 be the containment member involved by the 2nd embodiment illustrating and being suitable for the present invention just
The axonometric chart of the connector cover of hand portable phone.
Fig. 7 is the sectional view illustrating the connector cover being assemblied on portable phone.
Fig. 8 is from the connector cover involved by the variation of inner side viewing the 2nd embodiment
Top view.
Fig. 9 is the sectional view of the 9-9 line along Fig. 8.
Figure 10 is the containment member involved by the 3rd embodiment illustrating and being suitable for the present invention
The exploded perspective view of housing article.
Figure 11 is will to seal the partial sectional view shown in structure amplification.
Figure 12 is the sectional view of the sealing structure involved by variation of the 3rd embodiment.
Figure 13 is the containment member involved by the 4th embodiment illustrating and being suitable for the present invention
The top view of seal member.
Figure 14 is the sectional view of the seal member illustrating the peristome being assemblied in framework.
Figure 15 is the sectional view of the 15-15 line along Figure 13.
Figure 16 is the axonometric chart that the waterproof test in embodiment is described.
Figure 17 is the sectional view that the waterproof test in embodiment is described.
Detailed description of the invention
(the 1st embodiment)
Hereinafter, it is applicable to portable electric with reference to Fig. 1～Fig. 3 to by the containment member of the present invention
1st embodiment of the battery cover of words illustrates.
As shown in FIG. 1 to 3, portable phone 110 possesses the framework as the 2nd component
13 and be removable at the battery cover 12 as the 1st component of framework 13.In order to prevent water
The intrusion of battery 111 in framework 13, electric connecting part (not shown) etc., at battery
The inside 12a of lid 12 is provided with containment member 11.Protrude from the inside 12a of battery cover 12
Wall portion 12b.Wall portion 12b is formed as ring-type along the outer rim of battery cover 12.Containment member
11 are arranged in the way of surrounding the periphery of wall portion 12b.
Outer rim at battery cover 12 is formed with department of assembly 12c.The inside 12a at battery cover 12
It is formed with not shown claw.By department of assembly 12c and claw, battery cover 12 is embedded into
Framework 13.When battery cover 12 is embedded into framework 13, containment member 11 is by battery cover 12
Compress with framework 13.By this structure, water electricity in portable phone 110 can be prevented
The intrusion in pond 111.
The composite seal member that can also use containment member 11 and battery cover 12 integration is come
Replace above-mentioned composition.After either one molding in making containment member 11 and battery cover 12,
Its article shaped is inserted into the mould making the opposing party's molding in containment member 11 and battery cover 12
In tool, manufacture composite seal member by insert moulding.In this case, portable
In the assembly operation of phone 110, containment member 11 is assembled to the operation quilt of battery cover 12
Omit.
Furthermore, it is possible to according to following change the 1st embodiment.
In the 1st embodiment, at the wall portion 12b prominent from the inside 12a of battery cover 12
Periphery be provided with ring-type containment member 11, but as shown in Figure 4 and Figure 5, can be by ring
The containment member 14 of shape is directly against the inside 15a being attached to battery cover 15.
It is pasted with ring-type containment member 14 at the inside 15a of battery cover 15.Work as battery cover
15 when being installed in framework 16, and containment member 14 is compressed by battery cover 15 and framework 16,
The intrusion of water battery 111 in portable phone 110 can be prevented.
Alternatively, it is also possible to use containment member 14 and the compound seal of battery cover 15 integration
Component replaces above-mentioned composition.Become with either one in battery cover 15 making containment member 14
After type, its article shaped is inserted into and makes containment member 14 become with the opposing party in battery cover 15
In the mould of type, manufacture composite seal member by insert moulding.In this case, exist
In the assembly operation of portable phone 110, containment member 14 is attached to battery cover 15
Operation is omitted.
(the 2nd embodiment)
Hereinafter, it is applicable to electronics with reference to Fig. 6 and Fig. 7 to by the containment member 21 of the present invention
2nd embodiment of the connector cover 22 of equipment (such as portable phone) 210 is said
Bright.
As shown in Figure 6 and Figure 7, it is provided with in portable phone 210 as protection adapter
The connector cover 22 of " the 1st component " of 211.Containment member 21 is located at connector cover 22
Inner side.Adapter 211 is to be connected with other electronic equipment by cable or be connected to
The part of charger.Portable phone 210 possesses the framework 23 as " the 2nd component ".?
The inside of framework 23 is accommodated with circuit substrate 212, adapter 211 etc..In framework 23
It is provided with the peristome 23a for making adapter 211 expose.
Connector cover 22 possesses the cap 213 of covering adapter 211 and from cap 213
The connecting portion 214 that end extends.It is provided with in the end of connecting portion 214 and is fixed on framework 23
Internal fixed part 215.Connector cover 22 is body formed by thermoplastic elastic.Connector cover
22 have pliability, therefore can easily bend.Cap 213 passes through fixed part 215 opening
The form of make and break oral area 23a is assemblied in framework 23.Medial surface at cap 213 is provided with
Towards the prominent ring-shaped protrusion 216 of adapter 211.Ring-shaped protrusion 216 is along opening
The inwall of portion 23a is fitted together to.To surround outside ring-shaped protrusion 216 on connector cover 22
The mode in week is provided with ring-type containment member 21.
When peristome 23a be connected device lid 22 close time, containment member 21 is by circular protrusion
Portion 216 and the inner wall compressive of peristome 23a, can prevent water to adapter 211, circuit base
The intrusion of plate 212.
Furthermore, it is possible to according to following change the 2nd embodiment.
In the 2nd embodiment, connector cover 22 is provided with ring-type containment member 21, but
It is as shown in Figure 8 and Figure 9, the containment member 31 of lamellar can be attached to connector cover
The inner surface of 32.In this case, in a same manner as in the second embodiment, connector cover 32 sets
There is ring-shaped protrusion 316.Containment member 31 is formed in the way of covering ring-shaped protrusion 316.
When peristome 23a be connected device lid 32 close time, by cap 313 and adapter 211
And framework 23, the containment member 31 on the medial surface 313a of cap 313 is compressed, can
Prevent water to adapter 211, the intrusion of circuit substrate 212.
(the 3rd embodiment)
Hereinafter, with reference to Figure 10 to being applicable to the composite seal member 45 of the present invention seal structure
3rd embodiment of part 41 and resin molding 44 integration illustrates.
As shown in Figure 10, containment member 41 is by as " the 1st component " constituting housing article
Lower side body 42 and upper side body 43 as " the 2nd component " compress, two housings 42,
Carry out airtight between 43.Composite seal member 45 is formed as and the outer peripheral edge one of housing 42,43
The rectangular ring caused.As shown in figure 11, containment member 41 have ring-type protrusion 41a and
Par 41b.The cross sectional shape of ring-type protrusion 41a is oval.Par 41b be
The inner edge side of ring-type protrusion 41a is formed as the part thinner than ring-type protrusion 41a wall.Tree
Adipose membrane 44 is integrally formed with containment member 41.The Inner peripheral portions of resin molding 44 is to par
The inner side of 41b extends.On the other hand, the edge, periphery of resin molding 44 is embedded in ring-type grand
Play the inside of portion 41a.The cross sectional shape of ring-type protrusion 41a can be circular, fillet square
Shape, rounded triangle etc..
The thickness of resin molding 44 is thinner than the thickness of containment member 41.As resin molding 44
Material can use such as PE, PP, PET, PBT, PC, PEN, PI, PMMA etc..
The thickness of resin molding 44 is such as 50 μm～300 μm.By resin molding 44 and by Silica hydrogel
Containment member 41 integration that molded body is constituted, it is thus possible to improve the process of containment member 41
Property.It addition, by bonding agent, silane coupling agent etc., also can easily make containment member 41 and tree
Adipose membrane 44 integration.It addition, the autohension being had by containment member 41, can make close
Envelope component 41 and resin molding 44 integration.Furthermore it is possible to make containment member 41 molding
Mould be inserted into resin molding 44, make containment member 41 and resin molding 44 by insert moulding
It is integrally formed.In the case of being integrally formed containment member 41 and resin molding 44, preferably make
Resin molding with excellent heat resistances such as PI, PEN, PET, PBT.
As shown in Figure 10, resin molding 44 is formed as rectangle.The corner of resin molding 44 is than it
He is formed wide by the width of part.An inserting hole respectively it is formed in the corner of resin molding 44
44a.Inserting hole 44a is formed in the way of corresponding with the pilot hole 42c of lower side body 42.
The inserting hole 44a of the not shown through resin molding of assembled shaft 44 of upper side body 43, enters
Pilot hole 42c to lower side body 42.In this condition, the upper side and lower side housing 43,
42 are be combined with each other by chimeric, screw threads for fastening etc..
As shown in figure 11, lower side body 42 has the groove portion 42a that ring-type protrusion 41a embeds.
By being embedded in ring-type protrusion 41a at groove portion 42a, composite seal member 45 is installed on down
Side body 42.Ring-type protrusion 41a is when being installed in groove portion 42a, than downside
The upper surface 42b of housing 42 the most just highlights.
By the lower side body 42 making upper side body 43 be provided with composite seal member 45
In conjunction with, thus containment member 41 is compressed by lower side body 42 and upper side body 43, two shells
Between body 42,43 airtight, water intrusion in housing article can be prevented.
Furthermore, it is possible to according to following change the 3rd embodiment.
In the 3rd embodiment, containment member 41 and resin molding 44 integration is made to be formed
Composite seal member 45, but as shown in figure 12, can be straight by ring-type containment member 46
Connect the lower side body 47 being installed on as " the 1st component ".In this case, containment member
46 are integrally formed with lower side body 47.As shown in figure 12, containment member 46 is configured shell
The lower side body 47 of body article and the upper side body 48 as the 2nd component compress, at two shells
Carry out airtight between body 47,48.
Containment member 46 is formed as the rectangular ring consistent with the outer peripheral edge of housing 47,48.
The cross sectional shape of ring-type protrusion 46a in addition to ellipse, can be circle, round rectangle,
Rounded triangle etc..Ring-type protrusion 46a when being installed in groove portion 47a, than
The upper surface 47b of lower side body 47 the most just highlights.
By making upper side body 48 be combined with the lower side body 47 being provided with containment member 46,
Containment member 46 is compressed by lower side body 47 and upper side body 48, between two housings 47,48
Airtight, water intrusion in housing article can be prevented.
(the 4th embodiment)
Hereinafter, it is applicable to block to by the containment member 62 of the present invention with reference to Figure 14～Figure 16
4th embodiment of the seal member 61 of the peristome 611 of electronic equipment 610 is said
Bright.
As shown in figure 14, the distribution 612 that seal member 61 exposes from peristome 611 with covering
Mode be assembled to electronic equipment 610.Seal member 61 is made up of metallic plate etc..Sealing
The lower surface of parts 61 is fixed with the containment member 62 of tabular.In seal member 61 and framework
Being respectively formed with hole in 63, this hole is inserted into for fixing seal parts 61 and framework 63
Screw 64.
Use screw 64 grade that seal member 61(the 1st component of containment member 62 will be installed)
It is assembled into framework 63(the 2nd component), thus the peristome 611 of framework 63 and distribution 612
Sealed by containment member 62, the water intrusion to framework can be prevented.
Hereinafter, can be according to changing the respective embodiments described above as follows.
In the 3rd embodiment, containment member 41 and resin molding 44 integration is made to carry out shape
Become composite seal member 45, but for the containment member 11 in other embodiment,
14,21,31,62, it is also possible to integrated with resin molding form composite seal member.
In the respective embodiments described above, can make in the 1st component and the 2nd component at least
One side is integrated with containment member.In this case, the integrated with containment member the 1st and
2nd component can pass through metal or resin formation.Further, it is possible to use it is silane coupling agent, viscous
Connect agent and make the 1st and the 2nd component integration.
In the case of the 1st and 2 components are metal, by the mould making containment member molding
Tool is inserted into metal 1st and the 2nd component, can make the 1st and the 2nd by insert moulding
Component is integrated with containment member.That is, the 1st and 2 components will not be due to containment member molding
Time pressure, heat and deform or variable color, therefore can manufacture high-quality composite seal member.
It addition, the 1st and 2 components are metals, even if therefore the 1st and 2 components are thin, also can improve
The rigidity of containment member.Therefore, composite seal member is prone to compared with single containment member
Process.
On the other hand, in the case of the 1st and 2 components are resin, the 1st and the 2nd can be made
Component is bonding or is fused to constitute the Silica hydrogel molded body of containment member and integrated.Separately
Outward, the 1st and 2 components are resins, the most also can suppress manufacturing cost, and can improve close
The rigidity of envelope component.Therefore, composite seal member is prone to place compared with single containment member
Reason.
In the 3rd embodiment, replace and make containment member integrated with resin molding 44
Composite seal member 45, can be set to make containment member and metallic plate, resin plate integrated
Composite seal member.According to this composition, the treatability of containment member also can be improved.It addition,
The metallic plate integrated with containment member, resin plate can be set to the 1st component, the 2nd structure
The part of part or engage to the 1st and the 2nd component.If so, the 1st and the 2nd structure
Part complex-shaped, even the situation being therefore difficult to assemble containment member also can be tackled.
Then, the feature that the containment member of the present invention has is described.
The containment member of the present invention is compressed by the 1st component and the 2nd component, the 1st component with
Carry out airtight between 2nd component.Containment member is made up of Silica hydrogel molded body.
Silica hydrogel molded body has according to the JIS K6262 as Japanese Industrial Standards
(ISO815) characteristic that compression set is less than 5% measured.Here, compression
Permanent deformation is the bar that the compression ratio of the scope with 50%～80% is placed at 70 DEG C 22 hours
The compression set measured under part.It is not to say that the number of compression ratio 50%～80%
Value scope has special significance.That is, refer to: decrement big 50～80% scope in
Also there is the characteristic that compression set is less than 5%.
It addition, the scope that the needle penetration of Silica hydrogel molded body is 60～130.Here, pin enters
Degree, as according to JIS K6249 defined, is based on JIS K2220(ISO2137)
The value measured under the conditions of 25 DEG C by the penetration test using 1/4 circular cone.Represent pin
In-degree the biggest then Silica hydrogel molded body is the most soft.As the index of pliability (hardness), remove
Beyond above-mentioned, also have by JIS K6253(ISO7619) hardness that specifies.But,
In this case, it is by JIS K6253(ISO7619) index of type E that specifies,
The hardness of Silica hydrogel molded body represents the value of substantially 0.
About the compression set of Silica hydrogel molded body be less than 5%, needle penetration is in
Two characteristics of the scope of 60～130, even if only meeting the characteristic of either one, the most do not play excellent
Good waterproof effect.That is, have two not being either one having in above-mentioned two characteristics
Just meaningful on this aspect.
That is, the compression set as the Silica hydrogel molded body of the containment member of the present invention is
Less than 5%, therefore containment member is when being compressed by the 1st component and the 2nd component,
The direction contrary with compression direction produces stronger elastic force, will reset into original shape.Separately
Outward, the needle penetration of Silica hydrogel molded body is the scope of 60～130, and therefore containment member is very
Soft, it is easy to be adjacent to the 1st component and the 2nd component, and do not make the 1st component and the 2nd
Component is deformed, breakage.It addition, compression set is less than 5%, therefore size
Excellent in stability, it is difficult to the problems such as generation molding is bad.
When needle penetration is discontented with 60, it is possible to for obtaining the pressure needed for formation closed structure
The compression load of shrinkage (about 30%) increases, and the 1st component, the 2nd component produce and become sometimes
Shape, breakage.On the other hand, when needle penetration is more than 130, containment member is difficult to process,
The use of opening and closing part becomes difficulty.
It addition, Silica hydrogel molded body by JIS K6251(ISO37) stretching that specifies breaks
Resistance to spalling is in the range of 0.05MPa～0.15MPa, equally by JIS K6251
(ISO37) tension fracture elongation rate specified is in the range of 230～400%.Because
There is such physical property, so Silica hydrogel molded body has shape retention, three can be shaped to
Dimension shape.Such as, preparing the identical containment member of two panels lamellar, sandwiching between which
The electronic units such as IC chip, adapter, flexible circuit board carry out in the purposes used, no
Only containment member is formed as flat condition, also can be in conjunction with the shape solid landform of electronic unit
Become.
Silica hydrogel molding physical ability has autohension.In this case, by Silica hydrogel molded body structure
The containment member become can easily be attached at the 1st and the 2nd component.If needle penetration is in
The Silica hydrogel molded body of the scope of 60～130, as long as carrying out non-adhesive process the most especially, close
Envelope component just can have autohension.If applying non-adhesive to process, can not be had self-adhesion
The containment member of property.Process as non-adhesive, the cladding of such as thin film, film can be enumerated
Cladding, the cladding etc. of powder body.
Above-mentioned Silica hydrogel molded body is by the organic poly-silica of such as 2 liquid additive reaction curing types
Alkane is constituted.The organopolysiloxane of 2 liquid additive reaction curing types uses has having of vinyl
Machine polysiloxanes, as A material, uses and has the organopolysiloxane of Si-H base as B
Material.Silica hydrogel molded body is by being filled in mould by the organopolysiloxane being mixed with 2 liquid
Interior post-heating and being solidified to form.Furthermore, it is possible to make Silica hydrogel molding by forcing press pressurization
Body formed.Furthermore it is possible to by extruded, injection moulding (LIM:Liquid Injection
Olding) Silica hydrogel molded body molding is made.
The shape and size of the containment member being made up of Silica hydrogel molded body are close according to being equipped with
The envelope electronic equipment of component, the 1st component, the shape and size of the 2nd component are set respectively.
The water resistance of containment member meets by relevant as the water proofing property with electronic equipment
JIS C0920(international standard IEC/EN60529 of one of standard) protection class formulated
IPX8 in (IP code).Meet as the condition more tightened up than IPX7 at electronic equipment
In the case of IPX8, even if electronic equipment is also avoided that in electronic equipment by water logging for a long time
Soak in portion.
It addition, the containment member of the present invention can pass through at least 2 kinds that stacking needle penetration is different
Above Silica hydrogel molded body and constitute.Such as, if being the Silica hydrogel of 130 in needle penetration
On molded body, stacking needle penetration is the thin Silica hydrogel molded body of 60, then can be to containment member
Give the high flexibility of Silica hydrogel molded body based on needle penetration 130.Thus, can maintain
Containment member to the tracing ability of the 1st and the 2nd component, and can to containment member give based on
Relatively hard needle penetration is the process easness of the Silica hydrogel molded body of 60.That is, by tool
There is water resistance, and make multiple respective needle penetrations of Silica hydrogel molded body of institute's stacking, thickness
Degree difference, it is thus possible to improve the treatability of single containment member.
Embodiment
Then, embodiment is used further the containment member of the present invention to be illustrated.
Use and there is the organopolysiloxane (hereinafter referred to as " A material ") of vinyl as A
Material, uses the organopolysiloxane (hereinafter referred to as " B material ") with Si-H base to make
For B material, weight portion blending A material and the 2 liquid additions of B material of table 1 are pressed in modulation
The organopolysiloxane composition (hereinafter referred to as " silicon-ketone composition ") of reaction-curable.And
And, use vacuum defoamation machine stirring mixing 2 liquid addition reaction-types silicon-ketone composition so that
Do not produce bubble.As silicon-ketone composition, society of organosilicon strain society of Asahi Chemical Industry watt gram can be used
(Asahi Chemical Industry ワ ッ カ シ リ コン Co., Ltd.) manufactures, the beautiful strain in the healthy and free from worry east of Tao Shi formula
Commercial firm (レ ダ ウ conning Co., Ltd.) manufactures, モ メ ンティブ society system
The silicon-ketone composition made.By above-mentioned each manufacturer supply A material and B material, obtaining
To the mode selected material of desired needle penetration and compression set, and concoct.Such as,
The trade name 613A(A material that society of organosilicon strain society of Asahi Chemical Industry watt gram manufactures can be used),
613B(B material).In the sample 1～7 of table 1, use identical A material and B
Material, only change A material and the blending ratio of B material.In sample 8, with sample
The A material of 1～7 is different with B material, in the way of compression set is less than 10%
Selected material.Then, the silicon-ketone composition of modulation is filled into the mould of regulation shape,
110 DEG C, make it solidify under conditions of 10 minutes, manufacture Silica hydrogel molded body.
[table 1]
Before manufacturing containment member, make the Silica hydrogel molding of the shape according to bioassay standard in advance
Body formed, measure following project.
(needle penetration)
As being specified by JIS K6249, according to JIS K2220(ISO2137),
By using the penetration test of 1/4 circular cone, under the conditions of 25 DEG C, measure needle penetration.At table
" needle penetration " hurdle of 1 represents its result.
(compression set)
According to JIS K6262(ISO815), be respectively directed to compression ratio be 50%, 60%,
70% and 80%, measure compression set under conditions of placing 22 hours at 70 DEG C.
Its result is represented on " compression set " hurdle of table 1.The bracket on " compression set " hurdle
Interior numeral represents the condition of compression ratio.
(tension test)
According to JIS K6251(ISO37), under the conditions of 25 DEG C, measure tension failure respectively
Intensity and tension fracture elongation rate.On " tensile break strength " hurdle of table 1 with " tension failure is stretched
Long rate " hurdle represents its result.
(manufacture of containment member and waterproof test)
In order to above-mentioned silicon-ketone composition is used for waterproof test so that it is be shaped to ring-type plectane
Shape manufactures containment member 51.To each sample, manufacture thickness is 1.0mm, external diameter is 39mm,
Internal diameter be 21mm(in other words, width is 9mm) the sealing structure of ring-type circular plate shape
Part 51.
As shown in Figure 16 and Figure 17, containment member 51 is arranged in as " the 1st component "
Downside resin plate 52 on, the inner circumferential side of containment member 51 configure cobalt chloride paper P.Chlorine
Change cobalt paper P the most then variable color.Downside resin plate 52 makes as " the 2nd structure
Part " upside resin plate 53 overlap, at hole 52a and the upside resin of downside resin plate 52
The hole 53a of plate 53 inserts bolt 54 across steely packing ring 55, at bolt 54
Top screws togather nut 56.So, it is fabricated to containment member 51 pressed from both sides with the compression ratio of regulation
The fixture lived.Here, by the thickness changing packing ring 55, compression ratio is set to 10%,
20%、30%.As resin plate, such as acrylic resin board can be used.
According to JIS C0920(IPX8), by as shown in table 1 for each compression ratio of each sample
Fixture impregnated in depth of water 1.8m, the water of 25 DEG C, carries out waterproof test.Further, placing
Confirm the presence or absence variable color of cobalt chloride paper after 30 minutes, and confirm with or without immersion." preventing of table 1
Water test " " 10% ", " 20% ", " 30% " in hurdle represents the compression ratio of containment member 51.
In waterproof test, " can " represent that cobalt chloride paper does not has variable color, " cannot " represent chlorination
Cobalt paper variable color.
In the containment member of sample 2～6, under the full terms of waterproof test, obtain
Can prevent to the immersion of the inside of containment member, there is the result of excellent water resistance.Think
This be due to: in the range of compression ratio 50%～80%, compression set is less than 5%,
Needle penetration is the scope of 60～130.
On the other hand, in the containment member of sample 1, in the waterproof examination that compression ratio is 30%
In testing, can confirm that and cause immersion owing to a part for containment member is destroyed.It is thought that
Due to: needle penetration is up to 150, the most soft, and tensile break strength is low.
In the containment member of sample 7, needle penetration as little as 48, therefore compression ratio is 30%
In compression load height compared with other sample.Therefore, for the 1st and the 2nd component
Load uprises, and with the slimming of equipment, the 1st and the 2nd component is the thinnest, deform,
Damaged probability is the highest.In the containment member of sample 8, compared with sample 2～6,
Compression set is up to 17～20%.Therefore, compression ratio be 10% and 20% each anti-
In water test, can confirm that immersion.
Claims (5)
1. a composite seal member, it is integrally formed close on the surface of resin molding or metallic plate
Envelope component forms, this containment member compressed by the 1st component and the 2nd component and at the 1st component
And carry out airtight between the 2nd component, it is characterised in that
Described containment member is made up of Silica hydrogel molded body, described Silica hydrogel molded body foundation
JIS K6262 (ISO815) with 50～80% compression ratio 70 DEG C, place 22 hours
Under conditions of the scope that compression set is 1～5% that measured, and according to JIS
The needle penetration that K2220 (ISO2137) is measured is in the scope of 62～130,
Described Silica hydrogel molded body is had organopolysiloxane and the use of vinyl by use
There is the organic poly-silica of 2 liquid additive reaction curing types of the organopolysiloxane of Si-H base
Alkane is constituted,
Described resin molding is by polyimides, PEN, poly terephthalic acid
Glycol ester or polybutylene terephthalate (PBT) are constituted.
Composite seal member the most according to claim 1, it is characterised in that
Described Silica hydrogel molded body has autohension.
Composite seal member the most according to claim 1 and 2, it is characterised in that
Described containment member is made up of Silica hydrogel molded body in the form of a ring.
Composite seal member the most according to claim 1 and 2, it is characterised in that
Described containment member is by the different the most of more than two kinds described Silica hydrogel molding of needle penetration
Body is constituted, and described Silica hydrogel molded body stacking the most of more than two kinds is constituted.
Composite seal member the most according to claim 1 and 2, it is characterised in that
Described 1st component and the 2nd component are framework, housing parts, cover, cover respectively
In parts, circuit substrate, IC chip, adapter, battery one, and be metal system
Or resin-made.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011116166 | 2011-05-24 | ||
| JP2011-116166 | 2011-05-24 | ||
| PCT/JP2012/062706 WO2012161099A1 (en) | 2011-05-24 | 2012-05-17 | Seal member and composite seal member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103635725A CN103635725A (en) | 2014-03-12 |
| CN103635725B true CN103635725B (en) | 2016-08-10 |
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|---|---|---|---|
| CN201280024581.1A Active CN103635725B (en) | 2011-05-24 | 2012-05-17 | Containment member and composite seal member |
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| Country | Link |
|---|---|
| JP (1) | JP6101911B2 (en) |
| CN (1) | CN103635725B (en) |
| WO (1) | WO2012161099A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9040187B2 (en) | 2010-07-13 | 2015-05-26 | Apple, Inc. | Battery pack with cells of different capacities electrically coupled in parallel |
| CN104427043A (en) * | 2013-09-10 | 2015-03-18 | 中兴通讯股份有限公司 | Waterproof plug of mobile terminal |
| KR102119660B1 (en) | 2013-10-17 | 2020-06-08 | 엘지전자 주식회사 | Mobile terminal |
| CN110690507B (en) | 2015-05-14 | 2023-08-25 | 苹果公司 | Encapsulation of bare cell stack within device housing of portable electronic device |
| JP6320967B2 (en) * | 2015-06-09 | 2018-05-09 | イイダ産業株式会社 | Decoration |
| JP6432630B2 (en) * | 2017-03-23 | 2018-12-05 | 株式会社オートネットワーク技術研究所 | Seal member and waterproof connector |
| WO2020153345A1 (en) * | 2019-01-25 | 2020-07-30 | 積水ポリマテック株式会社 | Seal member and complex seal structure |
| JP7378967B2 (en) | 2019-06-07 | 2023-11-14 | 日東電工株式会社 | ventilation parts |
| WO2021095115A1 (en) | 2019-11-12 | 2021-05-20 | 三菱電機株式会社 | Outdoor unit and refrigeration cycle device |
| CN112709820B (en) * | 2020-12-17 | 2022-06-21 | 广东安普智信电气有限公司 | Thermoplastic vulcanized elastomer sealing ring |
| CN114126308B (en) * | 2021-12-03 | 2023-07-25 | 成都航天通信设备有限责任公司 | Sealing structure of modularized communication radio station |
| JP2023166705A (en) * | 2022-05-10 | 2023-11-22 | 株式会社オートネットワーク技術研究所 | Terminal board |
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|---|---|---|---|---|
| JPH0788430A (en) * | 1993-09-21 | 1995-04-04 | Three Bond Co Ltd | Sealing method using photosetting silicone gel |
| JPH10169780A (en) * | 1996-12-05 | 1998-06-26 | Shin Etsu Polymer Co Ltd | Rubber packing, and manufacture thereof |
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| JP2007002228A (en) * | 2005-05-25 | 2007-01-11 | Shin Etsu Chem Co Ltd | Fluorine-containing material |
| JP2009173837A (en) * | 2008-01-28 | 2009-08-06 | Momentive Performance Materials Inc | Silicone gel composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050106916A1 (en) * | 2003-10-27 | 2005-05-19 | Autonetworks Technologies, Ltd. | Connector |
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2012
- 2012-05-17 WO PCT/JP2012/062706 patent/WO2012161099A1/en active Application Filing
- 2012-05-17 CN CN201280024581.1A patent/CN103635725B/en active Active
- 2012-05-17 JP JP2013516333A patent/JP6101911B2/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| JPH0788430A (en) * | 1993-09-21 | 1995-04-04 | Three Bond Co Ltd | Sealing method using photosetting silicone gel |
| CN1199511A (en) * | 1995-08-23 | 1998-11-18 | 雷伊公司 | Sealing member |
| JPH10169780A (en) * | 1996-12-05 | 1998-06-26 | Shin Etsu Polymer Co Ltd | Rubber packing, and manufacture thereof |
| JP2007002228A (en) * | 2005-05-25 | 2007-01-11 | Shin Etsu Chem Co Ltd | Fluorine-containing material |
| JP2009173837A (en) * | 2008-01-28 | 2009-08-06 | Momentive Performance Materials Inc | Silicone gel composition |
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| Publication number | Publication date |
|---|---|
| CN103635725A (en) | 2014-03-12 |
| WO2012161099A1 (en) | 2012-11-29 |
| JPWO2012161099A1 (en) | 2014-07-31 |
| JP6101911B2 (en) | 2017-03-29 |
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