CN102037522A

CN102037522A - Coaxial wire distributed element, method for producing the same, and electornic device

Info

Publication number: CN102037522A
Application number: CN2009801183685A
Authority: CN
Inventors: 小山惠司; 平田久志; 仙波弘之; 增田泰人; 鲤沼孝佳; 山崎信之; 佐山仁
Original assignee: Sumitomo Electric Industries Ltd
Current assignee: Sumitomo Electric Industries Ltd
Priority date: 2009-02-20
Filing date: 2009-12-15
Publication date: 2011-04-27
Anticipated expiration: 2029-12-15
Also published as: KR20110119519A; CN102037522B; JP5510445B2; TW201041259A; WO2010095334A1; JPWO2010095334A1

Abstract

Provided are a coaxial wire distributed element and an electronic device using the same, wherein the waterproof property in an insertion hole of a housing is ensured; the sizes of a hinge and the surroundings of the hinge are reduced, and the structures of the same are simplified; and the number of components is reduced. The coaxial wire distributed element is comprised of a plurality of coaxial wires (11) and a sealing portion (3) formed so as to be integral with the coaxial wires (11), and is characterized in that the sealing portion (3) has a space filling portion (3j) for filling the spaces between the coaxial wires, and a peripheral portion (3s) for surrounding the coaxial wires.

Description

Coaxial line distribution body, its production method and electronic equipment

Technical field

The present invention relates to the method and the electronic equipment of coaxial line distribution body, production coaxial line distribution body.Specifically, the present invention relates to have the coaxial line distribution body of following feature: in having the electronic equipment that two interconnective mechanisms of housing and two housings is electrically connected mutually by coaxial line with hinge for example, even when described hinge is got wet by water, can prevent that also sealing enters in described two housings by described coaxial line; Produce the method for described coaxial line distribution body; And the electronic equipment that is combined with described coaxial line distribution body.

Background technology

For example the electronic equipment of mobile phone has following structure, wherein, two housings interconnect by hinge, and the circuit in first housing is electrically connected by the interior circuit of the distribution body and second housing, first housing is provided with the display part, and second housing is provided with the key operation part.In recent years, have required to the water proofing property of these electronic equipments.Especially, owing to use mobile phone more, need make the distribution body insertion portion that is arranged in the housing have water proofing property in places such as swimming pool, bathrooms.Under the situation of single shaft hinge arrangement, flexible print wiring board, flat cable etc. are used as the distribution body.On the other hand, under the situation of biaxial hinge, owing to need isotropic pliability, coaxial line is used in many cases as the distribution body.In order to make the mobile phone that has by interconnective two housings of biaxial hinge structure have water proofing property, proposed to have the structure of following parts: the pipe, its with housing seal couple together; Tubular seal, it attaches to the end of the pipe in the distribution body insertion portion of waiting to be matched with housing; And O shape ring, it is attached at the periphery (patent documentation 1) of tubular seal.The O shape ring that is attached on the periphery of tubular seal is engaged in the distribution body insertion portion of housing.Pipe passes hinge arrangement, and coaxial line passes pipe and is connected between the two housings.Between two housings, do not make the space that is coaxially set in the outside of pipe.Therefore, even when hinge arrangement is soaked in water, can prevent that also sealing enters housing along coaxial line.

Prior art

Patent documentation

Patent documentation 1: disclosed Japanese patent application Te Open 2008-263285

Summary of the invention

The waterproof construction of above-mentioned distribution body need be provided with such as parts such as pipe, tubular seal, O shape rings.Therefore, the distribution body comprises the part that repeats on the space, has therefore increased the cross-sectional area of the combination of coaxial line and pipe.Correspondingly, increased the size of distribution body.Hinge arrangement is passed in the combination of coaxial line and pipe, bends to zigzag pattern simultaneously so that place between two distribution body insertion portions.Therefore, according to the quantity of distribution body, become complexity and size of hinge arrangement and near structure thereof is big.In addition, because the increase of number of components, the purchase cost of parts increases, and production process becomes complicated, thereby has reduced business efficiency.

The purpose of this invention is to provide a kind of coaxial line distribution body, produce the method for described coaxial line distribution body and be combined with the electronic equipment of described coaxial line distribution body, described coaxial line distribution body can be guaranteed the water proofing property of the insertion portion of housing, and when reducing number of components, make hinge and near structure miniaturization and simplification thereof.

Solution to technical problem

Coaxial line distribution body of the present invention has many coaxial lines and forms the hermetic unit that combines with described many coaxial lines.In said structure, described hermetic unit comprises gap filling part and peripheral part, and described gap filling part is filled the gap between the described many coaxial lines, and described peripheral part surrounds described many coaxial lines.

When adopting said structure in for example by the distribution insertion portion that above-mentioned hermetic unit is engaged in described housing, can place coaxial line, make described coaxial line be connected with the circuit of described housing, anti-simultaneously sealing enters described housing along described coaxial line.Can be by using separately above-mentioned hermetic unit, perhaps by described hermetic unit and O shape being encircled or another parts are combined constitutes described sealing device.The filling of above-mentioned gap filling part only needed to reach to prevent that sealing passes the degree of described hermetic unit along the gap of described many coaxial lines.Do not need the gap of all positions that described sealing branch is passed all to fill up fully.In the present invention, the contact-making surface place between described hermetic unit and described many coaxial lines, described hermetic unit and described many coaxial lines are adhere or not mutual adhere mutually.

In said structure, described gap filling part and described peripheral part only surround described many coaxial lines in described sealing office.This part cooperates and is fixed in the insertion portion of the described housing in the electronic equipment.Therefore, cross-sectional area can not increase.In addition, although described coaxial line exposes in the part except described hermetic unit (coiling adhesive tape etc. are with the twisted state of fixing described many coaxial lines), the sheath that forms outer cover is made by insulating resin, and it has water proofing property and water-resistance.Therefore, can guarantee whole water proofing property.Correspondingly, do not need to use pipe to wait and cover described coaxial line, therefore, can reduce the quantity of parts as sheath body.Therefore, can make hinge and near designs simplification and miniaturization thereof.

Usually, be used to realize that the hermetic unit of water proofing property can combine with dust tightness.Hereinafter dust tightness is not made an explanation.However, naturally, can be accompanied by water proofing property and obtain the dustproof ability.In addition, in above-mentioned coaxial line distribution body, the quantity that is used to form the hermetic unit of sealing device can be one, two or more.

Can adopt following structure, wherein:

(a) each of described coaxial line part of being formed with described hermetic unit is provided with recess or is provided with protuberance, and described recess is to form by the peripheral part that removes described coaxial line, and described protuberance is outstanding in the mode of the periphery that covers described coaxial line,

(b) position that is combined with described hermetic unit between described many coaxial lines, the described recess of independent coaxial line or described protuberance produce lateral open space, described lateral open space and external communications; And

(c) described hermetic unit forms and passes described lateral open space.

When adopting this structure, together the time, local annular recess that is provided with or protuberance form the lateral open space at the part place of described hermetic unit to be formed at many coaxial wire harness.If do not have described recess or described protuberance, even there is the gap in the inside between coaxial line, described gap also self is surrounded by described coaxial line.Therefore, when injecting resin when forming described hermetic unit, described coaxial line hinders the core that described resin penetration is gone into the coaxial line of described bunchy.That is to say, be used to form the inside of coaxial line of the described bunchy of described resin no show of gap filling part.Especially, the core of the coaxial line of the described bunchy of its no show.Therefore, produced not the gap of the described coaxial line of being filled by resin.This part forms the path that water is moved along described coaxial line.On the other hand, when above-mentioned recess or protuberance are set partly, even the coaxial line of bunchy also produces the lateral open space.So by described lateral open space, described resin can arrive the core of the coaxial line of described bunchy from the outside.Be provided with under the situation of described recess, the described part that removes forms described lateral open space.Be provided with under the situation of described protuberance, described protuberance contacts with each other and forms the slit in the place with described protuberance adjacency.Described slit forms described lateral open space.Therefore, even in the core of the coaxial line of described bunchy, also can form the gap filling part reliably.Along with the increase of the height of described concave depth or described protuberance, the width in the space between adjacent coaxial line increases.Correspondingly, can form thick gap filling part.In other words, described resin can pass through fully.

Can adopt following structure, wherein:

(a) described many coaxial lines form flat braiding coaxial line, and described flat braiding coaxial line has the litzendraht wire that alternately shuttles back and forth between described many coaxial lines,

(b) described flat braiding coaxial line has the shape of flat braid over braid as a whole, perhaps circularized or spirality by full circle, and

(c) described hermetic unit forms the slit of passing between the described coaxial line, and described slit is formed by described litzendraht wire.

When adopting this structure, described litzendraht wire forms the slit reliably.Therefore, when the described resin of injection when forming described hermetic unit, described resin easily infiltrates through the core of described many coaxial lines.Therefore, can improve the filling extent of described resin in described sealing office.For example, can obtain not form the state of pore at the core of described hermetic unit.

Can adopt following structure, wherein:

(a) described many coaxial lines are outwardly-bent and heave at the part place that forms described hermetic unit, make them separated from one another, heave and separating part thereby form, and

(b) described hermetic unit form pass described heave and the described coaxial line of separated part office between the slit.

In the above description, term " is heaved and separating part " to rephrase and is term " coaxial line becomes slack and crooked part ".When adopting said structure, when the described resin that is used to form hermetic unit of injection moulding, described resin even can easily fill its inside by passing heaving of described coaxial line with separating part.Each root in described many coaxial lines form (that is described heaving and separating part) crooked laterally and that heave need be with respect to the central axis symmetry of described bundle coaxial line together.Therefore, all coaxial lines can and be heaved to predetermined direction bending.Only need form separating part at one of Outboard Sections of described bundle coaxial line together.

Above-mentioned hermetic unit can have peripheral part, and the outer peripheral face of described peripheral part is provided with the groove that is used to admit O shape ring.When being provided with described groove, can encircle the air-tightness on the surface of the described housing of guaranteeing office, described distribution body insertion section by described O shape.In this case, the resin that forms described hermetic unit can be elastomer or inelastic body.

Above-mentioned hermetic unit can have peripheral part, and the outer peripheral face of described peripheral part forms sealing surface.When adopting this design,, can further reduce the quantity of parts owing to do not adopt O shape ring etc.In this case, the described resin that forms described hermetic unit is preferably elastomer.

Described hermetic unit can be formed by the resin that has 50g/10min or bigger MFR (melt flow rate (MFR) (JIS K 7210)) under the rated load of 190 ℃ temperature and 2.16kg.If the described gap filling part of described coaxial line has cavity or pore, then can not keep desirable water proofing property.Avoid in the filling part of described gap forming cavity so that when guaranteeing water proofing property when focusing on, focus on the flowability of described resin when injection moulding.As mentioned above, when described MFR has value greater than above-mentioned value, can avoid the formation of described cavity by the gap that makes described resin flow into described coaxial line when the injection moulding.

Described hermetic unit can be formed by the resin of fusing point that fusing point is lower than the resin of the sheath that forms described coaxial line.When adopting this design, need not to pay close attention to the described hermetic unit of described coaxial line and the adhere (adhere also allows) between the described sheath, obtaining high flowability by above-mentioned designing institute makes, by making described resin flow into the gap of described coaxial line, avoided the formation of described cavity.

Can adopt such state: described coaxial line and described hermetic unit are in their contact-making surface place adhere not.When adopting this state, the hermetic unit that enters the gap of described coaxial line when forming described hermetic unit by focusing on forms the resin flow aspect and is not placed on the adhere aspect of described contact-making surface, can form the hermetic unit that there is not cavity in the gap filling part that makes described coaxial line.Even when the contact-making surface of described coaxial line and described hermetic unit not during adhere, the mechanical force such as compression stress when injection moulding makes and can reach the air-tightness that guarantees enough water proofing properties.

Described hermetic unit can be formed by ethylene-methacrylic acid copolymer resin (EMAA resin).The EMAA resin is equaling or is being higher than under the temperature of fusing point to have high MFR, makes it flow in the gap of described coaxial line and does not form cavity.In addition, when using the EMAA resin, after the injection moulding that is used to form described hermetic unit, adhere also can keep the air-tightness of water proofing property even above-mentioned contact-making surface can obtain to be unrealized.

Described hermetic unit can be formed by following substances:

(a) with the identical resin of resin of the insulating barrier of the earth connection insulation that is used to form the holding wire that makes described coaxial line and described coaxial line, perhaps

(b) fusing point is lower than the resin of the fusing point of the resin that forms described insulating barrier.

When adopting this design, when injection moulding, can prevent the deterioration (is the softening distortion of insulating barrier such as attribution) of described insulating barrier.Coaxial line constitutes by the holding wire that is positioned at core position, insulating barrier, earth connection and as the sheath of outer cover usually.Described sheath is formed by the resin that resin identical with the resin that is used to form insulating barrier or fusing point are lower than the fusing point of the resin that forms described insulating barrier.

When adopting above-mentioned design, described hermetic unit is preferably formed by following substances:

(a) resin identical with the resin of the sheath that is used to form described coaxial line, perhaps

(b) fusing point is higher than the resin of the fusing point of the resin that forms described sheath.

When adopting this design, described sheath combines and can carry out reliably with the bond strength of raising with one between the described hermetic unit.

Described hermetic unit can be formed by PFA (tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer) resin or ETFE (tetrafluoroethylene-ethylene copolymer) resin.In coaxial line, the insulating barrier between the holding wire of core position and earth connection is on every side formed by the resin that has constant low-k under high frequency, to prevent the leakage of high-frequency signal etc.Described sheath is also formed by the insulating resin that has low-k under high frequency.However, described sheath can be formed by the resin identical or different with the resin that is used to form described insulating barrier.Described insulating barrier is formed by the PFA resin usually.PFA has constant remarkable low dielectric constant under high frequency.Described sheath is formed by PFA resin or ETFE resin usually.ETFE has low-k constant under high frequency and than the low-melting fusing point of PFA.PFA has 310 ℃ fusing point, and ETFE has 260 ℃ fusing point.

Under the situation that described hermetic unit is formed by PFA, the preferred coaxial line that adopts with the sheath that forms by PFA or ETFE.When adopting this combination, after the described sheath of formation, can be by will forming described hermetic unit with the material identical materials injection moulding of described sheath or with the material injection molding that fusing point is higher than the fusing point of described sheath, thus realize integrated.Therefore, described gap filling part and peripheral part are combined reliably with described sheath.In other words, can strengthen bond strength between described sheath and the described hermetic unit.

Under the situation that described hermetic unit is formed by ETFE, preferably adopt coaxial line with the sheath that forms by ETFE.When adopting this combination, form described sheath and described hermetic unit with the material of same type, between the material of acquisition same type in conjunction with advantage.

In both cases, the resin that forms described hermetic unit has low-k constant under high frequency, therefore helps to prevent the deterioration of high-frequency signal.

In above-mentioned hermetic unit, described many coaxial lines can be arranged to form the flat array on plane, perhaps are arranged to cross section and are circular or oval-shaped pencil.When adopting this design, can form hermetic unit according to type of electronic device with suitable cross-sectional shape.Under the situation that pencil is arranged, described hermetic unit can have compact form and little surface area.Under the situation of flat arrangement, because the gap of described coaxial line is exposed to the outside, the injection moulding of described resin can reliably and easily form the gap filling part with high-air-tightness.When described cross section for example had oval in shape, described shape also helped to reduce for example thickness of the housing of mobile phone.

One place can be set or hermetic unit is stated in two places.When adopting this design, a housing can be provided with the waterproof distribution, and two housings can be provided with the waterproof distribution that two housings are electrically connected.The example of two electrical connections between the housing is shown below.Pass through in the interconnective electronic equipment of hinge arrangement at first housing that is provided with the display part and second housing that is provided with the key operation part, circuit in the two housings can be electrically connected mutually, guarantee water proofing property simultaneously, and reduce the cross-sectional area of the described distribution body that is positioned at described hull outside.

The electronic equipment that is combined with above-mentioned any coaxial line distribution body can provide the electrical connection with reliable water proofing property, and can simplify and the described electronic equipment of miniaturization.In addition, when being used to be combined with the electronic equipment of biaxial hinge structure, described coaxial line can make described housing rotate reposefully around two axis that are perpendicular to one another.Adopt flexible printing distribution or flat cable can not obtain this advantage.Certainly, described coaxial line also can be used for the single shaft hinge arrangement.

The method of production coaxial line distribution body of the present invention can be produced the coaxial line distribution body that has many coaxial lines and form the hermetic unit that combines with described many coaxial lines.Described production method has following step:

(a) preparation mould,

(b) described many are coaxially set in described mould, subsequently described mould are heated to the temperature of the fusing point that is equal to or higher than the resin that is used to form described hermetic unit,

(c) resin injection that is used to form described hermetic unit that will be molten condition is in described mould, and

(d) when being kept for the injection molding state of resin of described hermetic unit, with the predetermined temperature of described mold cools down to the fusing point that is equal to or less than described resin.

Said method makes and the air-tightness that can guarantee the contact-making surface between described coaxial line and the described hermetic unit prevents the formation of cavity simultaneously by the gap that makes the described resin that is used to form hermetic unit flow into described many coaxial lines.Form the resin of sheath of described coaxial line and the resin that forms described hermetic unit adhere mutually.Select as another kind, can be by adopting their adhere not of following conditions permit: when injection moulding, the temperature that is used to form the resin of described hermetic unit be lower than the fusing point of the resin that forms described sheath.When focusing on the resin flow aspect in the gap that enters a large amount of coaxial lines, adopt resin with high MFR.Because this resin has low fusing point, by heating described hermetic unit is carried out injection moulding, thereby make itself and described sheath that adhere not take place with the temperature of the fusing point that is lower than the resin that forms described sheath.However, described resin can be in the bubble-tight gap of filling a large amount of coaxial lines simultaneously that guarantees between described sheath and the described hermetic unit.Therefore, can obtain to have the high-grade water proofing property of outstanding durability.The above-mentioned cooling of described mould is represented that cooldown rate can reach be higher than the pressure cooling that heat is dispersed into airborne cooldown rate.The type of described pressure cooling comprises water cooling, spraying cooling and forces air cooling.The execution of above-mentioned cooling to mould is likely by shrinking described resin (implementing to confirm) improving the factor that air-tightness contributes.

Can comprise step as described below.In the part of each described hermetic unit to be formed of described many coaxial lines, described step provides the recess that forms by the peripheral part that removes described coaxial line or in the mode of the described outer cover that covers described coaxial line and outstanding protuberance.When comprising this step, formed the lateral open space of the core of the coaxial line that passes to described bunchy from the outside partly in the part of the described hermetic unit to be formed of the coaxial line of described bunchy.Therefore, in the step of above-mentioned injecting resin, can be by described resin feeding to the central part of the coaxial line of described bunchy be assigned to form the gap filling part.

Can comprise process as described below.Described process has following step:

(b) described flat braiding coaxial line keeps the shape of flat braid over braid, perhaps circularized or spirality by full circle, and

(c) will be coaxially set in described mould through the described flat braiding that aforesaid way is handled.

When comprising this process, when forming described hermetic unit, described resin can carry out described filling by the slit between the described coaxial line at the described resin of injection.Therefore, can improve the filling capacity of the resin that is used to form hermetic unit, and prevent the generation of pore etc.

Can comprise process as described below.Described process has following step:

(a) described mould is provided with:

(a1) mould part, it is used to receive the resin that is used to form described hermetic unit, and

(a2) movable part, its be positioned at the described mould part that is used to receive resin one or both sides near, described movable part can the described many coaxial lines of grasping and can change and the described mould part that is used to receive resin between distance,

(b) after in described mould that described many are coaxially set, described movable part is away from the described described many coaxial lines of position grasping that are used to receive the mould part of resin, and

(c) before injecting resin, described movable part is near the described mould part that is used to receive resin, with crooked and heave described many coaxial lines, makes described many coaxial lines separated from one another, heaves and separating part thereby form.

When comprising said process, when the resin injection moulding that is used to form hermetic unit, described resin is by passing heaving with separating part even can easily filling its inside of described coaxial line.Therefore, can suppress described hermetic unit and produce pore etc., and improve the filling extent of described resin, to improve water proofing property.

Beneficial effect of the present invention

The present invention can provide a kind of coaxial line distribution body and a kind of electronic equipment that is combined with this coaxial line distribution body.Described coaxial line distribution body can be guaranteed the water proofing property of the insertion portion of housing, and when reducing number of components, makes hinge and near structure miniaturization and simplification thereof.

Description of drawings

Fig. 1 is the diagrammatic sketch that the mobile phone of the coaxial line distribution body that is combined with in the embodiment of the invention 1 is shown, and wherein (a) illustrates closure state, and open mode (b) is shown, and (c) closure state that the display part is positioned at end face is shown.

Fig. 2 is the cutaway view that the configuration structure of the coaxial line distribution body in the mobile phone shown in Figure 1 is shown.

Fig. 3 is the stereogram that the coaxial line distribution body in the embodiments of the invention 1 is shown.

Fig. 4 is the schematic diagram that the configuration structure of the coaxial line distribution body among this embodiment is shown.

Fig. 5 illustrates the hermetic unit of coaxial line distribution body shown in Figure 3, and wherein (a) is the stereogram of hermetic unit and (b) be the cutaway view of hermetic unit.

Fig. 6 is the part enlarged drawing of Fig. 5 (b).

Fig. 7 is the stereogram of the coaxial line distribution body in the modified example (example of the present invention) that is illustrated in embodiment 1.

Fig. 8 is the cutaway view of the hermetic unit of coaxial line distribution body shown in Figure 7.

Fig. 9 is the part enlarged drawing of Fig. 8.

Figure 10 illustrates the method for producing coaxial line distribution body shown in Figure 7, wherein (a) illustrates the plane graph that ultra-fine coaxial line is arranged to the state of flat array, and (b) be illustrate with coaxial line stranded after, the stereogram of the state that hermetic unit combines with coaxial line by injection moulding.

Figure 11 is the cutaway view that is used for explaining the coaxial line distribution body of the embodiment of the invention 2.

Figure 12 is the stereogram that the coaxial line distribution body in the embodiments of the invention 3 is shown.

Figure 13 is the schematic diagram that the configuration structure of coaxial line distribution body shown in Figure 12 is shown.

Figure 14 is the stereogram that the coaxial line distribution body in the embodiments of the invention 4 is shown.

Figure 15 is the cutaway view of the hermetic unit of coaxial line distribution body shown in Figure 14.

Figure 16 is the view of the coaxial line aggregate in the coaxial line distribution body that illustrates in the embodiments of the invention 5.

Figure 17 is the cutaway view that coaxial line aggregate shown in Figure 16 is shown, and wherein (a) illustrates the view that is surrounded the gap by three coaxial lines, and (b) is the view that illustrates by four coaxial lines encirclement gaps.

Figure 18 is the view of the coaxial line aggregate in the coaxial line distribution body that illustrates in the embodiments of the invention 6.

Figure 19 illustrates the coaxial line distribution body in the embodiments of the invention 7, and wherein (a) illustrates the view of flat litzendraht wire and (b) be the view that the coaxial line distribution body that forms in conjunction with flat litzendraht wire is shown.

Figure 20 illustrates the method for producing the coaxial line distribution body in the embodiments of the invention 8, wherein (a) illustrates the many states that are coaxially set in being used to form the mould of hermetic unit, and (b) be that the material that forces moveable part to eject with reception near mould part is shown, thereby make the view of the state that many coaxial lines are outwardly-bent and heave.

Figure 21 is illustrated in the view that sprays the resin outwardly-bent and many coaxial lines of heaving before that are used to form hermetic unit.

Embodiment

Embodiment 1

Fig. 1 is the diagrammatic sketch that mobile phone 50 is shown, and this mobile phone 50 is the electronic equipments that are combined with the coaxial line distribution body of the embodiment of the invention 1.As shown in Figure 1, mobile phone 50 is provided with the hinge arrangement 40 that key operation partial shell 20 is connected with display part housing 30.Fig. 1 (a) illustrates the state that rear side that display part housing 30 closes at the top of key operation partial shell 20 and display part housing 30 places end face.Display part housing 30 can be around the X-axis and the Y-axis rotation of hinge arrangement 40.Fig. 1 (b) illustrates the display part housing 30 with display part 31 and rotates and unlimited state around the X-axis of hinge arrangement 40.Key operation partial shell 20 is provided with key 21.The wiring circuit (not shown) of the signal of telecommunication from key operation partial shell 20 that sends by the operation to key 21 transfers to the wiring circuit (not shown) in the display part housing 30.Carry out the transmission of the signal of telecommunication by using the coaxial line distribution body that will illustrate below.In Fig. 1 (b), hinge arrangement has: be positioned at the cover piece with Y-axis rotating mechanism 41 at its middle part, the B part that is positioned at the A part that comprises the X-axis rotating mechanism of its left part and is positioned at the above-mentioned coaxial line distribution body that display part housing 30 is electrically connected with key operation partial shell 20 of accommodating of its right part.A part and B part are positioned at the cover piece 41 that is in the middle part under the situation of pivot and rotate around Y-axis.Fig. 1 (c) illustrates following state: display part housing 30 not only centers on Y-axis Rotate 180 degree B is partly placed the left side and A is partly placed the right side, but also the state rotation around X-axis from Fig. 1 (a), to be positioned at end face with display part housing 30 closures by the top display part 31 that makes simultaneously that display part housing 30 is arranged on key operation partial shell 20.

Fig. 2 is illustrated in the state shown in Fig. 1 (b) near the cutaway view of hinge arrangement.Key operation partial shell 20 has the space 25 that is used to place the wiring circuit (not shown).Display part housing 30 has the space 35 that is used to place the wiring circuit (not shown).When even if water enters hinge, mobile phone 50 also needs anti-sealing to enter in space 25 and the space 35.The part place of coaxial line distribution body 10 in will being inserted into key operation partial shell 20 of present embodiment and the part place that will be inserted in the display part housing 30 are provided with sealing device ' S ' respectively.In the present embodiment, sealing device ' S ' comprises hermetic unit 3 and O shape ring 13, and hermetic unit 3 constitutes by injection moulding and combines with many coaxial lines 11, and O shape ring 13 is attached at the periphery of hermetic unit 3.

In hinge arrangement, the Y-axis rotating mechanism that is arranged on cover piece 41 belows, middle part has the cylindrical shaft part of the hollow that is fixed on the key operation partial shell 20.When display part housing 30 rotated around Y-axis, its cylindrical shape around this hollow was partly rotated.This moment, the containing section ' B ' that is contained in the X-axis rotating mechanism ' A ' in this hinge arrangement and is used for coaxial line distribution body together with display part housing 30 around the Y-axis rotation.The cylindrical shape part (cylinder of inner hollow) of this hollow is formed for the insertion portion of coaxial line distribution body 10.

The two ends of coaxial line distribution body 10 are provided with connector 19.Coaxial line distribution body 10 is arranged so that waterproof seal ' S ' is engaged in the insertion portion that is arranged in the display part housing 30 and makes another sealing device ' S ' be engaged in the insertion portion of cylindrical shape part (it has opening at key operation partial shell 20 places) of hollow, distribution body 10 passes the containing section ' B ' that is used for coaxial line distribution body, and the cylindrical part branch of hollow is included in the Y-axis rotating mechanism of hinge arrangement.The coaxial line distribution body 10 of present embodiment is highly suitable for electrical interconnection, can guarantee water proofing property simultaneously, and can be as described above around X-axis and Y-axis rotation by biaxial hinge structure 40 interconnective two housings 20 and 30.In other words, at the containing section that is used for coaxial line distribution body ' B ', many coaxial lines are under their nature (although they are fixed by adhesive tape by stranded and their twisted state).Therefore, do not need to use such as cover such as pipe case member.Therefore, containing section ' B ' miniaturization can be made, and the structure of distribution body insertion portion can be simplified.Preferably, this coaxial line is ultra-fine coaxial line.

Fig. 3 is the stereogram that the coaxial line distribution body 10 in the present embodiment is shown.As mentioned above, in coaxial line distribution body 10, sealing device ' S ' comprises hermetic unit 3 and O shape ring 13, and hermetic unit 3 is the resin molded bodies that combine with many coaxial lines 11 by injection moulding, and O shape ring 13 is attached at the periphery of hermetic unit 3.

Fig. 4 is the schematic diagram that the state in the insertion portion that above-mentioned coaxial line distribution body 10 is engaged in the insertion portion of key operation partial shell 20 or display part housing 30 is shown.Even when hinge arrangement 40 is soaked in water, the sealing device ' S ' that is engaged in the insertion portion of

housing

20 or 30 can prevent that also sealing enters the

inner space

25 or 35 of housing.In many coaxial lines 11, sheath is formed by the insulating resin that has a water resisting property as outer cover.Therefore, even sheath is bedewed by water, sheath self can not be formed with into water path yet.

Fig. 5 is used to the diagrammatic sketch of explaining that hermetic unit 3 combines with coaxial line 11 by injection moulding, and wherein (a) is the stereogram of hermetic unit and (b) be the cutaway view that is in the hermetic unit under the state that O shape ring is attached to hermetic unit.Hermetic unit is a resin molded body, and it combines with many coaxial lines 11.Yet, the simple integrated water-proof function that is not enough to realize.For example, between each coaxial line, there is the gap.If the gap is continuous along coaxial line, then can not realize water-proof function.Therefore, shown in Fig. 5 (a) and Fig. 5 (b), hermetic unit 3 is provided with gap filling part 3j and peripheral part 3s, and gap filling part 3j fills the gap between each coaxial line 1, and peripheral part 3s surrounds many coaxial lines 11.Preferably, gap filling part 3j fills up the gap fully, and does not stay any cavity.However, even when residual a spot of cavity (pore), the continuous cavity of hermetic unit 3 is passed in short of formation, and then such state allows.In the present embodiment, on the contact-making surface between hermetic unit and the many coaxial lines, their adhere or adhere mutually mutually.

In the present embodiment, hermetic unit 3 is provided with the groove that is used for O shape ring, and has the groove floor 3b with respect to surperficial 3a.O shape ring 13 is placed in the groove.Use O shape ring 13, make to obtain reliable water proofing property, relax requirement simultaneously the dimensional accuracy of the parts of direct formation sealing device ' S ' etc.

Fig. 5 (b) illustrates seven coaxial lines as many coaxial lines 11.However, it is general using tens of coaxial lines, for example, and about 40 coaxial lines.In this case, particularly preferably be, use ultra-fine coaxial line so that make 10 miniaturizations of coaxial line distribution body.

Fig. 6 is the cutaway view that is used to explain the structure of hermetic unit 3, and hermetic unit 3 is the resin molded bodies by injection moulding and many coaxial lines.Coaxial line (ultra-fine coaxial line) 1 by the holding wire 1a that is arranged on core position, around the earth connection 1g of holding wire 1a, be used to make the insulating barrier 1d of holding wire 1a and earth connection 1g insulation and constitute as the sheath 1s of outer cover covering earth connection 1g.Hermetic unit 3 is resin molded bodies, and it forms the resin that closely contacts with sheath 1s, and is rendered as non-individual body.Preferably, has high bond strength between hermetic unit 3 and the sheath 1s.In addition, hermetic unit 3 need have the gap filling part 3j that fills the gap between each coaxial line 1.Many coaxial lines 11 form the gap inevitably.Gap filling part 3j need fill so far to the major general gap, the feasible continuous cavity that can residually can not pass the gap.When hermetic unit 3 was formed by the resin identical with the resin that is used to form sheath 1s, identical materials was interosculated.That is to say that obtain continuity aspect material, this is favourable for increasing bond strength.However, hermetic unit 3 not necessarily must be formed by the resin identical with the resin that is used to form sheath 1s.

Hermetic unit 3 sin qua nons are provided with peripheral part 3s, so that surround many coaxial lines 11, thereby can form the high sealing device of reliability ' S '.

The modified example of embodiment 1

Fig. 7 is the stereogram of the coaxial line distribution body 10 of modified example (as example of the present invention) that embodiment 1 is shown.Fig. 8 is the cutaway view of the hermetic unit shown in Fig. 7 ' S ', and its cross section comprises O shape ring.Fig. 9 is the part enlarged drawing with the Fig. 8 under the situation of O shape ring removal.The coaxial line distribution body 10 (as example of the present invention) of this modified example has the coaxial line (ultra-fine coaxial line) 1 that flat array is arranged.In this flat array was arranged, the gap between the coaxial line 1 was not positioned at the position of deep inside, but is positioned at the position that can see from the outside.Therefore, as shown in Figure 9, when injection moulding, can be reliably and easily form gap filling part 3j.Therefore, can easily produce longitudinally the hermetic unit 3 that (bearing of trend of coaxial line) has high-air-tightness, simultaneously can be to the in addition many concerns of the characteristic of peripheral part 3s of forming flat horizontal surface.

In brief, Fig. 7 has following characteristic to the coaxial line distribution body 10 of this modified example shown in Figure 9: be difficult to realize that the gap filling part 3j of complete filling can realize complete filling simply with high stability.

Next, the method to the production coaxial line distribution body 10 shown in Fig. 7 to Fig. 9 describes.At first, prepare many coaxial lines 1 (11), it has connector 19 in two ends integral body.Many coaxial lines 1 (11) are arranged to flat array.When hermetic unit 3 injection mouldings, the specified portions of above-mentioned coaxial line 11 is placed in the mould, make coaxial line pass the assigned address of mould.Then, be injected into the mould through inlet from nozzle with the pressure of the appointment resin with fusion, this inlet is the resin introducing port.After the cooling, the part of moulding is removed from mould, to obtain Fig. 7 to coaxial line distribution body 10 shown in Figure 9.Can have the coaxial line distribution body 10 that pencil is as shown in Figure 3 arranged by following step production equally: at first will many coaxial lines arrange bunchys (they being fixed) by use adhesive tape etc., then, place them in the mould by the utilization process identical with said process, thereby with the resin injection moulding.

Said method is produced linear pattern coaxial line distribution body 10, wherein can not have a mind to make coaxial line 11 bendings.Next, the method for the coaxial line distribution body 10 of producing coaxial line 11 bendings is described, also still be described to the identical flat layout of coaxial line distribution body shown in Figure 9 10 although this distribution body has with Fig. 7.Figure 10 (a) illustrates the view that is arranged with the many coaxial lines 11 of producing the coaxial line distribution body 10 that has curved shape after finishing, and wherein many coaxial lines have connector 19 in two ends integral body.The coaxial line that is arranged as flat array is configured to: adjoining land will be arranged on a side of other single line than long line, thereby when the position was mobile toward the outer side, crooked degree increased.When above-mentioned many coaxial lines 11 when stranded, are obtained as a whole towards arc stranded line 11 of being of a lateral bending song.Fix twisted state under the bending condition by coiling adhesive tape etc.In other words, when being arranged on stranded line in the mould, form bending condition, and utilized adhesive tape etc. to fix twisted state under the bending condition.With hermetic unit 3 injection mouldings the time, consider bending direction etc. and the predetermined portions of above-mentioned stranded coaxial line 11 so is placed in the mould, make stranded coaxial line pass the assigned address of mould.Then, be injected into the mould through inlet from nozzle with the pressure of the appointment resin with fusion, this inlet is the resin introducing port.Shown in Figure 10 (b), after the cooling, coaxial line distribution body 10 is removed from mould.As mentioned above, orientation, the posture when being placed into mould waits to determine crooked orientation.

According to the coaxial line distribution body of present embodiment, many coaxial lines are only surrounded by gap filling part and periphery branch in the sealing office.This part cooperates and is fixed in the insertion portion of the housing in the electronic equipment.Therefore, cross-sectional area can not increase.In addition, although coaxial line exposes in the part except hermetic unit, sheath is made by insulating resin, and it has water proofing property and water-resistance.Therefore, can guarantee whole water proofing property.Therefore, do not need to use pipe to wait and cover coaxial line as sheath body, thereby, hinge arrangement is simplified and miniaturization.In addition, can reduce the quantity of parts.

Embodiment 2

Figure 11 is the cutaway view that the coaxial line distribution body 10 in the embodiment of the invention 2 is shown.Coaxial line 1 is arranged to flat array.Coaxial line distribution body 10 among the embodiment 2 has following feature: coaxial line 1 has insulating barrier 1d that is made by the PFA resin and the sheath 1s that is made by the ETFE resin, and hermetic unit 3 is made by the ETFE resin.Above-mentioned material composition makes and can obtain following advantage.

(1) fusing point that forms the PFA of insulating barrier 1d is 310 ℃, than 260 ℃ high about 50 ℃ of the fusing points of the ETFE that forms hermetic unit 3.Therefore, to ETFE injection moulding the time, can prevent distortion or other deteriorations of insulating barrier 1d.

(2) sheath 1s is formed by the ETFE identical with the resin that is used to form hermetic unit 3.That is to say, by injection moulding carry out integrated be to carry out for material in conjunction with identical type.Therefore, can be reposefully by integrated in conjunction with carrying out, thereby can improve bond strength.

The modified example of embodiment 2

Although do not illustrate, will the modified example (example of the present invention) of the coaxial line distribution body 10 shown in Figure 11 be described below by accompanying drawing.

Modified example 1 (example of the present invention): (insulating barrier 1d is formed by PFA, and sheath 1s is formed by ETFE, and hermetic unit 3 is formed by PFA).

When adopting above-mentioned composition, temperature is higher than the molten resin injection moulding of the fusing point of sheath 1s.As a result, improved with sheath 1s contact and the condition of sheath fusing under carry out integrated.Therefore, can improve bond strength between sheath 1s and the hermetic unit 3.In addition, make sheath 1s under the condition between two materials, with the state injection PFA identical of fusion with the resin that is used to form insulating barrier 1d.Therefore, as transient, insulating barrier 1d only temporarily stands hot conditions by sheath 1s.Correspondingly, can wait the distortion of avoiding insulating barrier by the temperature of the molten resin that is used to form hermetic unit 3 is controlled accurately.

Modified example 2 (example of the present invention): (insulating barrier 1d is formed by PFA, and sheath 1s is formed by PFA, and hermetic unit 3 is formed by PFA)

When adopting above-mentioned composition, resin injection moulding that will be identical with the resin that is used to form sheath 1s.That is to say, by injection moulding carry out integrated be to carry out for material in conjunction with identical type.Therefore, can be reposefully by integrated in conjunction with carrying out, thereby can improve bond strength.In addition, under the condition between two materials, inject the PFA identical at sheath 1s with the resin that is used to form insulating barrier 1d with the state of fusion.Therefore, as transient, insulating barrier 1d only temporarily stands hot conditions by sheath 1s.Correspondingly, can wait the distortion of avoiding insulating barrier by the temperature of the molten resin that is used to form hermetic unit 3 is controlled accurately.

Embodiment 3

Figure 12 is the stereogram that the coaxial line distribution body 10 in the embodiments of the invention 3 is shown.Figure 13 is the schematic diagram that the state in the insertion portion that above-mentioned coaxial line distribution body 10 is engaged in the insertion portion of key operation partial shell 20 or display part housing 30 is shown.In the present embodiment, only use hermetic unit 3 to form sealing device ' S ', hermetic unit 3 is resin molded bodies.More particularly, the surperficial 3a of hermetic unit 3 forms the sealing surface of sealing device ' S '.Preferably, aforementioned hermetic unit 3 is formed by elastomer.When hermetic unit 3 had the suitable elasticity of elasticity with PFA or ETFE, sealing device ' S ' can only use hermetic unit 3 to form.

When adopting above-mentioned sealing device ' S ',, can reduce the quantity of parts owing to omitted O shape ring.Therefore, can when obtaining extremely economic coaxial line distribution body 10, realize among the embodiment 1 hinge and near the simplification and the miniaturization of structure.

Embodiment 4

Figure 14 is the part enlarged drawing of the coaxial line distribution body 10 in the embodiments of the invention 4.In coaxial line distribution body 10, sealing device ' S ' has the structure identical with the structure shown in Fig. 3 and comprises hermetic unit 3 and O shape ring 13, sealing part 3 is the resin molded bodies that combine with many coaxial lines 11 by injection moulding, and O shape ring 13 is attached at the periphery of hermetic unit 3.By forming cover layer at Poreflon (registered trade mark) the band 11s that makes by FTFE (polyflon) that makes by Sumitomo Electrics Industry Ltd that reels diagonally or spirally of the part except that hermetic unit 3 in the periphery of many coaxial lines 11.The quantity of coaxial line 11 mostly is about 40 sometimes most.Can omit reels forms the band of outer cover.However, coiling Poreflon band 11s has improved the slip ability, and can prevent that a large amount of coaxial lines from trailing.The reason that improves the slip ability by coiling Poreflon band 11s is: prevent that coaxial line is tangled by mould when closing mould.

Present embodiment has following feature: the resin that is used to form hermetic unit has 50g/10min or bigger MFR under the rated load of 190 ℃ temperature and 2.16kg.There is the resin of so big MFR to have low fusing point usually.Example of such resin is EMAA resin (fusing point: 100 ℃).

Figure 15 is the cutaway view of the hermetic unit 3 of the coaxial line distribution body 10 shown in Figure 14.Hermetic unit 3 is formed by the EMAA resin.In coaxial line 1, place insulating barrier 1d between holding wire 1a and the insulating barrier 1d that the two is insulated from each other to form, and sheath 1s is formed by ETFE (fusing point: 260 ℃) by PFA (fusing point: 310 ℃).When with hermetic unit 3 injection mouldings, many coaxial lines 1 are arranged in the mould, and mould is heated.The fusing point that heating-up temperature is set at the resin (that is, being used to form the resin of hermetic unit 3) than moulding to be injected is high about 30 ℃.Therefore, for example, be heated at mould under 130 ℃ the condition, in mould, will be heated to the EMAA injection moulding of 200 ℃ fusion.Heating-up temperature and 100 ℃ the fusing point of EMAA of the fusing point of resin ETFE that is used to form sheath 1s than 200 ℃ is high more than 50 ℃.

The ETFE that forms sheath 1s and have about 260 ℃ fusing point can not melt when hermetic unit 3 injection mouldings.In other words, hermetic unit 3 is not an adhere with the contact-making surface of sheath 1s.The resin of two kinds of different materials is in contact with one another with contact-making surface under the situation of adhere not, and this state can wait easily and confirm by using light microscope, electron microscope.

Figure 15 only illustrates the part of coaxial line 1.Yet, when the quantity of line for a long time, this quantity can reach 40.In this case, many coaxial line aggregates 11 are surrounded by a plurality of coaxial line layers.Therefore, when the resin that is used to form hermetic unit 3 was filled whole gap of many coaxial lines reliably, resin need pass the core that arrives coaxial line aggregate 11 around a large amount of after the close clearance between the coaxial line overcoming high flow resistance.The resin such as EMAA that has 50g/10min or bigger MFR under the rated load of 190 ℃ temperature and 2.16kg has high flowability, thereby when injection moulding, after the gap between the too much root coaxial line 1, still can fill the gap of core reliably.On the other hand, the resin with MFR of about 20g/10min can not be filled whole gaps of many coaxial lines, therefore produces cavity (pore).Have the above-mentioned resin of 50g/10min or bigger MFR by use, even the core of the coaxial line aggregate 11 that is made of a large amount of coaxial lines also can be filled by resin, and the gap is filled by resin.Therefore, can obtain to have the high-grade water proofing property of outstanding durability.

The method of producing Figure 14 and the coaxial line distribution body 10 shown in Figure 15 and embodiment 1 and the method that modified example adopted thereof are identical.That is to say, produce distribution body 10 by injection moulding.At first, prepare many coaxial lines 1 (11), it has connector in two ends integral body.Usually, many coaxial lines 1 (11) are arranged in the mode of three-dimensional.When with hermetic unit 3 injection mouldings, the specified portions of above-mentioned coaxial line 11 is placed in the mould, make coaxial line pass the assigned address of mould.Next, mould is heated to the temperature of the fusing point that is equal to or higher than the resin that is used to form hermetic unit 3, for example, than the high 30 ℃ temperature of above-mentioned fusing point.Then, the molten resin that is heated to about 200 ℃ is injected into the mould through inlet from nozzle with specified pressure, this inlet is the resin introducing port.Subsequently, after resin being cooled to for example about 40 ℃ predetermined temperature that is equal to or less than melting point resin, in type part is removed from mould.

The difference of producing the method for coaxial line distribution body 10 among the method for the production coaxial line distribution body 10 that Fig. 3 is extremely shown in Figure 5 and this embodiment only is the temperature of hot briquetting mould and the temperature of molten resin.

Embodiment 5

Figure 16 is the view of the coaxial line 11 of the sealing office in the coaxial line distribution body that is illustrated in the embodiments of the invention 5.Present embodiment has following feature: remove peripheral part of each coaxial line, to form annular recess 1m.In coaxial line was restrainted together coaxial line aggregate 11, recess 1m was formed with lateral open space 11k, and this space provides from the outside of the coaxial line of bunchy to the path of core.Figure 17 (a) is the cutaway view of the part that contacts with each other of three coaxial lines 1.Figure 17 (b) is the cutaway view of the part that contacts with each other of four coaxial lines 1.

Solid line illustrates the cutaway view away from the part of recess 1m.In Figure 17 (a) and Figure 17 (b), sealed by coaxial line by the gap that coaxial line surrounded, thereby do not had setting cross walkway (path vertical) toward the outer side with coaxial line.Therefore, even when the center of the coaxial line of attempting to arrive bunchy from the resin of outer side injection, also can be owing to being hindered by coaxial line self, make resin be difficult to arrive the inside of the coaxial line of bunchy.When recess 1m was not set, all parts of the coaxial line 11 of bunchy had and the identical cross section of cross section as solid line drew in the cutaway view.If recess 1m is not set, the inside that then is difficult to the coaxial line by being penetrated into bunchy forms the gap filling part.The gap of the sealing in the coaxial line 11 of bunchy is continuous along coaxial line.Therefore, if water enters this gap, then the gap will provide path for water.

On the other hand, the cutaway view cross section that passes recess 1m shown in broken lines of Figure 17 (a) and Figure 17 (b).From the cutaway view shown in the dotted line as can be seen, existing recess 1m laterally forms open spaces 11k, and open spaces 11k provides from the outside of the coaxial line of bunchy to the path of inside.Lateral open space 11k is corresponding with the part that the outer cover of coaxial line 1 is removed annularly.By this lateral open space 11k, resin easily is penetrated into the core of the coaxial line of bunchy from the outside.In the 11k of lateral open space, the width in the space between the adjacent coaxial line increases along with the increase of the degree of depth of recess 1m.Correspondingly, the width of the path among the 11k of lateral open space increases, thereby resin can be subjected to being penetrated into inside fully under the situation of slight drag, forms the gap filling part.Therefore, can suppress the potential formation of understanding the cavity of the path that forms water.

The formation of recess 1m is as described below.At first,, use carbonic acid gas laser (carbonic acid gas laser) that the outer cover (sheath 1s etc.) of coaxial line is removed, the part that earth connection 1g is exposed with formation for independent coaxial line.At this moment, under the condition of the step that can form recess 1m, do not need to remove fully sheath etc.Coaxial line aggregate 11 is placed in the mould, thereby coaxial line aggregate 11 passes mould together with the recess 1m that is placed in the mould.Under such condition, injecting resin is to form hermetic unit 3.When injection moulding, resin passes the core that lateral open space 11k arrives the coaxial line of bunchy, thereby can form the gap filling part by the gap of filling all coaxial lines.Thereby, the coaxial line distribution body that can obtain to have the high water proofing property of reliability.

Embodiment 6

Figure 18 is the view of the coaxial line 11 of the sealing office in the coaxial line distribution body that is illustrated in the embodiments of the invention 6.Present embodiment has following feature: the periphery of each coaxial line 1 is provided with the outstanding protuberance 1n of ring-type.In coaxial line was restrainted together coaxial line aggregate 11, adjacent coaxial line contacted with each other by protuberance 1n.On the other hand, in the remainder that protuberance 1n is not set, produced the gap.This gap forms lateral open space 11k, and this space 11k provides from the outside of the coaxial line of bunchy to the cross walkway of core.In the present embodiment, the part outside the protuberance 1n---specifically, and with the part of protuberance 1n adjacency---form lateral open space 11k.The width of lateral open space 11k between coaxial line increases along with the increase of the height of protuberance 1n.Therefore, when the height of protuberance 1n increased, resin can be under being subjected to than the situation of slight drag when injection moulding infiltrates through core from the outside of the coaxial line of bunchy.Therefore, can obtain to have the coaxial line distribution body of high-quality water proofing property.

Can form coaxial line 1 by periphery or outer cover with the resin-coating coaxial line 1 that is used to form protuberance 1n with protuberance 1n.Preferably, apply by applying the resin that is dissolved in the solvent.Preferably, the resin that is not dissolved in the general solvent applies after disperseing.Another is chosen as, and can form protuberance 1n in the periphery of each coaxial line that is arranged to flat array by injection moulding.By said method, can easily obtain to be provided with the coaxial line of protuberance.By using this coaxial line can obtain such coaxial line distribution body: even wherein also can form the gap filling part reliably at the core of the coaxial line of bunchy.

Embodiment 7

Figure 19 (a) is the view that the flat litzendraht wire 11h that will be combined into coaxial line distribution body of embodiments of the invention is shown.In flat litzendraht wire 11h, litzendraht wire 15 is set to alternately shuttle back and forth in the many coaxial lines 1 that be arranged in parallel in the mode of square crossing.Therefore, coaxial line 1 and litzendraht wire 15 are used separately as warp and the parallel that forms fabric.Coaxial line 1 is not particularly limited.For example, holding wire can be by the silver-plated copper alloy wire (quantity of forming line: 7, the diameter of every line: 0.025mm, integral diameter: 0.075mm) form, insulating barrier can be by Sumiflon (registered trade mark) ' A ' (thickness: 0.05mm, diameter: 0.18mm) form, earth connection can (be formed by the spiral winding by the tin-coated copper alloy wire, the diameter of every line: 0.03mm, the quantity of line: 21 ± 2, pitch: 4.5 ± 1.5mm) form, and sheath can be by Sumiflon (registered trade mark) ' A ' (thickness: 0.04mm, external diameter: 0.31mm) form.Litzendraht wire 15 so long as insulated wire then have no particular limits.For example, can use the polyester line.The preferred embodiment of the size of fabric is as follows: the core number: 10, and the standard pitch between line: 0.33mm, standard thickness: 0.44mm, normal width: 3.40mm.

Figure 19 (b) is the view that following coaxial line distribution body 10 is shown, and this coaxial line distribution body 10 is by aforementioned flat litzendraht wire 11h being made into the circular coaxial line aggregate 11 that forms, and is provided with by the resin injection moulding then that hermetic unit 3 forms.Sealing device ' S ' forms by O shape ring 13 is placed on the hermetic unit 3.For the formation of hermetic unit 3,, thereby form hermetic unit 3 by passing these slits because the existence of litzendraht wire 15 has formed the slit reliably in flat litzendraht wire 11h.Therefore, resin can easily arrive the center of the flat litzendraht wire 11h of full circle.Therefore, the inside of hermetic unit 3 is filled by resin.Thereby, can improve the filling capacity of resin, and therefore prevent the generation of pore etc.

Embodiment 8

Figure 20 is the view that the production method of the coaxial line distribution body in the embodiments of the invention 8 is shown.Figure 20 (a) illustrates many coaxial lines 11 is set in state in the mould that is used to form hermetic unit 3.Mould part 61 is corresponding with the scope that does not form hermetic unit 3, and thereby forms coaxial line by the part of restrainting together and exposing.Carry out in mould part 63 and spray to form hermetic unit 3, mould part 63 is being placed between the moveable part 65 and is being provided with gap ' h ' between mould part 63 and moveable part.Many coaxial lines of moveable part 65 grasping 11.Figure 20 (b) thus be to illustrate to force moveable part 65 to force the view of the crooked laterally and state heaved of many coaxial lines 11 near the mould parts 63 that are used for hermetic unit.In other words, this diagram state that many coaxial lines become slack of sening as an envoy to.Along with the moveable part 65 approaching mould parts 63 that are used for hermetic unit, the self-position of slit ' h ' changes to the position in the outside of moveable part 65 (slit ' h ' moves to the outside of moveable part 65).State shown in Figure 20 (b) illustrates: the injection molding preparation to resin is finished.Needn't all prepare moveable part 65 in the both sides of the mould part 63 that is used for hermetic unit; Can omit one of them.

Because many coaxial lines of above-mentioned moveable part 65 grasping 11, therefore before injecting resin, the many coaxial lines 11 that will sealed part 3 cover are crooked laterally as shown in Figure 21 and heave.In other words, many coaxial lines become slack.Many coaxial lines 11 are had diameter D0 by the grasping and the part of being restrainted together.Many coaxial line 11 parts crooked laterally and that heave have diameter D1.Thereby, satisfy the relation of D1＞D0.Therefore, compare with the part that coaxial line is also restrainted together by grasping, near the part the part with diameter D1 makes the slit between the coaxial line increase.Therefore, when injecting resin, resin can enter inside by the slit that increases.Correspondingly, can improve the filling capacity of the resin that is used for hermetic unit 3, thereby prevent the generation of pore etc.

Can by change slit ' h ' coaxial line vertically on size regulate the increase that increases to D1 from D0.Preferably, displacement (that is the length of slit ' h ') is set at for example about 0.5 to 1mm.Figure 21 compares the D1 that amplified a little and the amount of heaving of having exaggerated a little by drawing with D0.Crooked and heave part, coaxial line 11 not necessarily must be with respect to the central axis axial symmetry of many coaxial lines 11.As shown in figure 21, generally, be positioned near the coaxial line 1 in center to a lateral bending song.In addition, can make all many coaxial lines 11 to a lateral bending song.By crooked and heave,, certainly lead to the part of the slit increase between the coaxial line even when when a lateral bending is bent.By passing the slit of increase, resin can easily arrive the coaxial line that is positioned at the center near.

Example

For the effect of the MFR of the resin that proves the formation hermetic unit 3 in the embodiments of the invention 4, produce coaxial line distribution body 10 and the filling capacity in the gap of coaxial line is estimated.Produce the sample of example of the present invention and comparative example under the following conditions.

Comparative example: coaxial line: form line, every diameter (integral diameter: 1.9mm) for 40 with 0.22mm; The resin that is used for hermetic unit: ETFE (by Asahi Glass Co., the Fluon (registered trade mark)-88AXMP) that Ltd. produces.

Example of the present invention: coaxial line: form line, every diameter (integral diameter: 1.9mm) for 40 with 0.22mm; The resin that is used for hermetic unit: EMAA (by Du Pont-Mitsui Polychemicals Co., the Nucrel (registered trade mark) that Ltd. produces).

Adopt two types EMAA:EMAA (1): Nucrel N1110H; EMAA (2): Nucrel N1050H.

Aforementioned EMAA (1) (Nucrel N1110H) and EMAA (2) (Nucrel N1050H) have characteristic MFR as shown in Table I.For each example in each comparative example and the example of the present invention two types is produced 5 identical samples respectively.

Employing is corresponding to the mould of the integral diameter of 1.9mm.In comparative example, mould is heated to 290 ℃, and in example of the present invention, is heated to 130 ℃, so that molten resin is expelled in the mould.Next, carry out the cooling down operation that is reduced to 40 ℃, so that mould breaks away from.For each sample,, under light microscope, observe three cross section samplings of hermetic unit 3.The result as shown in Table I.For the MFR shown in the Table I, under the rated load of 190 ℃ temperature and 2.16kg, measure the MFR of EMAA, and measure the MFR of ETFE according to ASTM D-3159 according to JIS K 7210.

Table I

^*1)JIS?K7210

^{* 2)}* observe many cavitys (pore).

Zero observes a small amount of cavity (pore) in the center.

◎ does not observe cavity (pore).

As can from Table I, finding out, can classify to the degree that forms pore in the gap of coaxial line by using MFR.ETFE with MFR of 20g/10min makes a large amount of cavity of formation in the gap of coaxial line.About the frequency that forms,, observe cavity at least one cross section in three cross sections for all five samples.Therefore, its evaluation rank is " * ".For the EMAA (1) of the MFR with 100g/10min, in the sample in five samples, observe cavity in the cross section in three cross sections.It estimates rank is " zero ".EMAA (2) with MFR of 500g/10min illustrates optimum.In five all samples, all do not observe cavity.It estimates rank is " ◎ ".

Shown in above-mentioned result, when the resin that has 50g/10min or a bigger MFR when use forms hermetic unit, gapped can the filling of a large amount of coaxial lines by resin.So, can obtain to have the high-grade water proofing property of outstanding durability.

More than state and bright embodiments of the invention are explained.The above embodiment of the present invention has been passed through rigorous explanation.Scope of the present invention is not subjected to the restriction of these embodiment of the present invention.Scope of the present invention is shown by the explanation to the scope of appended claims.In addition, the invention is intended to cover all and be included in implication identical and the modification in the scope with the described scope of claims.

Industrial applicibility

Coaxial line distribution body of the present invention etc. can guarantee the water proofing property of the office, insertion section of housing, and in the quantity that reduces parts, makes hinge and near miniaturized structure and simplification thereof. In addition, even even adopt the resin with high MFR to form hermetic unit so that at core when the quantity of coaxial line rolls up, also potting resin reliably. Therefore, can obtain to have the high-grade water proofing property of outstanding durability.

Reference numerals list

1: coaxial line; 1a: holding wire; 1d: insulating barrier; 1g; Earth connection; 1m: recess; 1n: protuberance; 1s: sheath; 3: hermetic unit; 3a: the surface of hermetic unit; 3b: the bottom surface that is used for the groove of O shape ring; 3j: gap-fill part; 3s: peripheral part: 10: coaxial line distribution body; 11: the coaxial line aggregate; 11h: flat litzendraht wire; 11k: lateral open space; The 11s:Poreflon band; 13:O shape ring; 15: litzendraht wire; 19: connector; 20: the key operation side body; 21: the key operation part; 25: the space in the key operation side body: 30: the display part side body; 31: the display part; 40: hinge; 41: the middle part cover piece of hinge; 50: mobile phone; 61: mould; 63: the mould part that is used for hermetic unit; 65: the moveable part of mould; A:X axle rotating mechanism containing section; B: distribution body containing section; H: the slit of the moveable part of mould (shift motion); And S: sealing device.

Claims

1. coaxial line distribution body comprises:

(a) many coaxial lines; And

(b) hermetic unit, it forms with described many coaxial lines and combines; Wherein, described hermetic unit comprises gap filling part and peripheral part, and described gap filling part is filled the gap of described many coaxial lines, and described peripheral part surrounds described many coaxial lines.

2. coaxial line distribution body as claimed in claim 1, wherein:

(a) each of described coaxial line part of being formed with described hermetic unit is provided with recess or protuberance, and described recess is to form by the peripheral part that removes described coaxial line, and described protuberance is outstanding in the mode of the periphery that covers described coaxial line;

(b) place between the part that is formed with described hermetic unit of described many coaxial lines, the described recess of independent described coaxial line or described protuberance produce lateral open space, described lateral open space and external communications; And

(c) described hermetic unit forms and passes described lateral open space.

3. coaxial line distribution body as claimed in claim 1, wherein:

(a) described many coaxial lines form flat braiding coaxial line, and described flat braiding coaxial line has the litzendraht wire that alternately shuttles back and forth between described many coaxial lines;

(b) described flat braiding coaxial line has the shape of flat braid over braid as a whole or is circularized or spirality by full circle; And

4. coaxial line distribution body as claimed in claim 1, wherein:

(a) described many coaxial lines are outwardly-bent and heave at the part place that forms described hermetic unit, make them separated from one another, heave and separating part thereby form; And

5. as each described coaxial line distribution body in the claim 1 to 4, wherein, described hermetic unit has peripheral part, and the periphery of described peripheral part is provided with the groove that is used to admit O shape ring.

6. as each described coaxial line distribution body in the claim 1 to 4, wherein, described hermetic unit has peripheral part, and the outer peripheral face of described peripheral part forms sealing surface.

7. as each described coaxial line distribution body in the claim 1 to 6, wherein, described hermetic unit is formed by the resin that has 50g/10min or bigger MFR (melt flow rate (MFR) (JIS K 7210)) under the rated load of 190 ℃ temperature and 2.16kg.

8. as each described coaxial line distribution body in the claim 1 to 7, wherein, described hermetic unit is lower than the resin of the sheath that forms described coaxial line by fusing point the resin of fusing point forms.

9. as each described coaxial line distribution body in the claim 1 to 8, wherein, described coaxial line and described hermetic unit are in their contact-making surface place adhere not.

10. as each described coaxial line distribution body in the claim 7 to 9, wherein, described hermetic unit is formed by ethylene-methacrylic acid copolymer resin (EMAA resin).

11. as each described coaxial line distribution body in the claim 1 to 6, wherein, described hermetic unit is formed by following substances:

(a) with the identical resin of resin of the insulating barrier of the earth connection insulation that is used to form the holding wire that makes described coaxial line and described coaxial line; Perhaps

(b) fusing point is lower than the resin of fusing point of the resin of described formation insulating barrier.

12. as the described coaxial line distribution of claim to 10 body, wherein, described hermetic unit is formed by following substances:

(a) resin identical with the resin of the sheath that is used to form described coaxial line; Perhaps

13. as claim 11 or 12 described coaxial line distribution bodies, wherein, described hermetic unit is formed by PFA (tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer) resin or ETFE (tetrafluoroethylene-ethylene copolymer) resin.

14. as each described coaxial line distribution body in the claim 1 to 13, wherein, in described hermetic unit, described many coaxial lines are arranged to form the flat array on plane, perhaps are arranged to cross section and are circular or oval-shaped pencil.

15., wherein, a place is set or hermetic unit is stated in two places as each described coaxial line distribution body in the claim 1 to 14.

16. an electronic equipment, it is combined with as each described coaxial line distribution body in the claim 1 to 15.

17. a production has many coaxial lines and the method that forms the coaxial line distribution body of the hermetic unit that combines with described many coaxial lines, described method comprises the following steps:

(a) preparation mould;

(b) described many are coaxially set in described mould, then described mould are heated to the temperature of the fusing point that is equal to or higher than the resin that is used to form described hermetic unit;

(c) will be the resin injection that is used to form described hermetic unit of state of fusion in described mould; And

18. the method for production coaxial line distribution body as claimed in claim 17, described method also comprises the steps: to assign to be provided with recess by the periphery that removes described coaxial line, the outstanding protuberance of mode with the periphery that covers described coaxial line perhaps is set, and described recess or described protuberance are arranged on the part of the described hermetic unit to be formed of every described coaxial line.

19. the method for production coaxial line distribution body as claimed in claim 17, wherein:

(b) described flat braiding coaxial line keeps the shape of flat braid over braid, is perhaps circularized or spirality by full circle; And

20. the method for production coaxial line distribution body as claimed in claim 17, wherein:

(a) described mould is provided with:

(a1) mould part, it is used to receive the resin that is used to form described hermetic unit; And

(a2) movable part, its be positioned at the described mould part that is used to receive resin one or both sides near, described movable part can the described many coaxial lines of grasping and can change and the described mould part that is used to receive resin between distance;

(b) after in described mould that described many are coaxially set, described movable part is away from the described described many coaxial lines of position grasping that are used to receive the mould part of resin; And

(c) before injecting resin, described movable part is near the described mould part that is used to receive resin, so that crooked and heave described many coaxial lines, makes described many coaxial lines separated from one another, heaves and separating part thereby form.