CN100345344C

CN100345344C - Connector and portable telephone set using the same connector

Info

Publication number: CN100345344C
Application number: CNB2003101184095A
Authority: CN
Inventors: 山根浩; 宫尾泰一郎; 内田真司
Original assignee: JST Mfg Co Ltd
Current assignee: JST Mfg Co Ltd
Priority date: 2002-12-11
Filing date: 2003-12-09
Publication date: 2007-10-24
Anticipated expiration: 2023-12-09
Also published as: CN1507122A; JP4099047B2; TW200414629A; TWI233246B; KR101029639B1; KR20040051521A; JP2004192967A

Abstract

The adapter of the invention connects to a pair of FPCs, which provide strip insulation part having flexibility and wiring part installed inside the insulation part providing conductivity. The wiring part provides the end part exposing the front end of the said insulation part. The adapter comprises the receptacle case with insulation and terminal plug-in entrance, which is formed on the receptacle case and is inserted in parallel with the end part of the said a pair of FPCs. Based on the invention, as one adapter is connected to one pair of FPCs, the installing area of the adapter can be shrunk, or in relative to the case of connecting one pair of FPCs to two adapters, as those two adapters can be made in form of one piece, the installing area of adapter can be shrunk accordingly.

Description

Connector and use the portable telephone of this connector

Technical field

The present invention relates to the connector of a kind of a pair of FPC of connection (Flexible Printed Circuit).

Background technology

In recent years, in fields such as electronic equipment, for example portable phone or digital camera, quickened the miniaturization of goods.Electronic unit or printed base plate are installed in this electronic equipment.In order to connect these electronic units and printed base plate, use flat pattern, have flexible FPC (FlexiblePrinted Circuit) and this FPC connector more.Therefore, this FPC comprises the subminaturization of the reduction (minuentization) of setting height(from bottom) with the connector requirement.

In order to address this problem, disclose a kind of when realizing minuentization, prevent to cover open or deflection to guarantee the FPC of the conducting of FPC with connector (for example opening the 2000-252067 communique) with reference to the spy.

But with in the connector, the rotating fulcrum of lid freely rotates and front and back are supported in the guide support portion of the metallic stiffener that is fixed on the housing with being free to slide at above-mentioned FPC.If closing cap makes the lid of closing rearward slide with rotating fulcrum, then the sticking department of Gai coupling part and stiffener is coupled, and covers under closing state to be locked really.

But, on printed base plate, connect a plurality of FPC sometimes.At this moment, the FPC that will connect each FPC in the past is installed on the printed base plate with connector., wherein FPC increases with the erection space of connector, is difficult to the miniaturized electric subset.

Summary of the invention

The object of the present invention is to provide the portable telephone of the little connector of a kind of erection space and this connector of use.

The present inventor to achieve these goals, the result who studies intensively repeatedly invents out new connector that is used to connect a pair of FPC and the portable telephone that uses this connector.

Particularly, the invention provides following scheme.

(1) a kind of connector that connects a pair of FPC, wherein, described FPC possesses and has flexible strip insulation portion, with the wiring portion that is arranged on this insulation division inside with conductivity, described wiring portion has the terminal part that exposes from the front end of described insulation division, this connector has the cover cylinder shell (socket housing) of insulating properties, be formed at this cover cylinder shell in and terminal that will the parallel insertion of described a pair of FPC terminal part insert mouth.

According to the invention of (1),, can reduce the erection space of connector because a pair of FPC is connected on the connector.That is, compare, because these two connectors are formed incorporate shape, so can reduce the erection space of connector with a pair of FPC being connected in two situations on the connector.

(2) in (1) described connector, possess and be arranged on an elastomeric element that inserts the mouth extension in the described cover cylinder shell, to described terminal, the insulating properties lid housing that freely be supported in the described cover cylinder shell with rotation, the described terminal of switching is inserted mouth, insert described terminal by terminal part and insert mouth described FPC, the terminal region of described FPC is on described elastomeric element, by closing described lid housing, described lid housing is pressed to described elastomeric element with the terminal part of described FPC, and is connected in described elastomeric element.

(3) in (2) described connector, described each FPC has to the outstanding square protrusion of the direction of intersecting with direction of insertion, described cover cylinder shell has the notch part that is formed at described terminal insertion oral-lateral, described lid housing has anti-the pull out projection outstanding from the surface, under the state that described FPC terminal part is inserted described terminal insertion mouth, by closing described lid housing, described lid housing anti-pull out projection in the notch part that is entrenched in described cover cylinder shell in, be coupling in the square protrusion of described FPC.

Under the few situation of the number of lead wires (heart yearn number) of each FPC (for example about 2 cores), with in the connector, come each lead of clamping by contact at existing FPC owing to constitute, so the friction of lead and contact reduces, FPC can extract from connector.And, under the few situation of the number of lead wires (heart yearn number) of FPC, the narrowed width of FPC, the problem that also exists the connector of FPC to be difficult to aim at contact.

According to the invention of (3), because make square protrusion be coupling in anti-pulling out in the projection, so can locate FPC at direction of insertion.In addition, even, also be not easy to extract along from overlapping cylinder shell to the directive effect power that each FPC extracts.

(4) in (2) or (3) described connector, described cover cylinder shell has the central portion projection that described terminal insertion mouth is divided into two, and it is wideer than the width of described each FPC that the described terminal that is separated into two is inserted mouth width separately.

According to (4) described invention, when the terminal part with FPC inserts in the terminal insertion mouth that is divided into two respectively, guide FPC because can insert mouth, so FPC easily can be connected on the connector by each terminal.

(5) in one of (2)～(4) described connector, described lid housing has the outstanding and rubber-like elastic protrusion from the surface, and described cover cylinder shell possesses by closing described lid housing, the bearing portion of the elastic protrusion of the described lid housing that is coupled.

According to (5) described invention, by the closing cap housing, the elastic protrusion of this lid housing is coupling in the bearing mould, can prevent that covering housing opens easily.

(6) a kind of portable telephone with Liquid Crystal Module, wherein, a pair of FPC and the connector that is connected this a pair of FPC are installed in described Liquid Crystal Module, described each FPC possesses and has flexible strip insulation portion, with the wiring portion that is arranged on this insulation division inside with conductivity, described wiring portion has the terminal part that exposes from the front end of described insulation division, described connector has the cover cylinder shell of insulating properties, be formed at this cover cylinder shell in and terminal that will the parallel insertion of described a pair of FPC terminal part insert mouth.

Description of drawings

Fig. 1 is that expression is according to the connector of embodiment of the present invention 1 and the plane graph of FPC.

Fig. 2 A is the back view according to the connector of embodiment of the present invention 2.

Fig. 2 B is the plane graph according to the connector of described execution mode.

Fig. 2 C is the front elevation according to the connector of described execution mode.

Fig. 2 D is the right hand view according to the connector of described execution mode.

Fig. 3 A is the sectional view of expression according to the lid housing full open position of the connector of described execution mode.

Fig. 3 B is lid housing just in off position the sectional view of expression according to the connector of described execution mode.

Fig. 3 C is the sectional view of expression according to the complete closing state of lid housing of the connector of described execution mode.

Fig. 4 is that expression is with the part plane section figure of FPC insertion according to the state in the connector of described execution mode.

Embodiment

Below, with reference to accompanying drawing embodiments of the present invention are described.In addition, in the following description of the embodiment, identical constitutive requirements are marked with same-sign, omit or simplify its explanation.

(execution mode 1)

Fig. 1 be expression according to the connector 100 of embodiment of the present invention 1, with the plane graph that is connected in a pair of FPC (Flexible Printed Circuit) 1,2 on this connector 100.In addition, Fig. 1 is the state that lid housing 4 described later is opened.

A pair of FPC1,2 is made of 1FPC1,2FPC2.Each FPC1,2 possesses the wiring portion with conductivity 13,14 that has flexible strip insulation portion 17,18 and be arranged on these insulation division 17,18 inside respectively.Wiring portion 13,14 is made of 4 formed leads of Copper Foil (heart yearn).These leads

form terminal part

11,12 after exposing from the front end the inside side of insulation division 17,18.

Be provided with respectively to the outstanding square protrusion 15,16 of direction of intersecting with direction of insertion in FPC1,2 front.These square protrusion 15,16 form under a pair of FPC1 of configured in parallel, 2 state toward each other.

Connector 100 possess the tubular insulating properties cover cylinder shell 3, be arranged on this cover cylinder shell 3 one distolateral a plurality of as elastomeric element spring-like contact 5 and be arranged on another distolateral insulating properties lid housing 4 of cover cylinder shell 3.The terminal of inserting FPC1,2

terminal part

11,12 in another distolateral formation of cover cylinder shell 3 inserts mouthfuls 10.

Terminal is inserted mouth 10 and is divided into the 1st a terminal insertion mouthful 1A and the 2nd a terminal insertion mouthful 1B.A pair of FPC1,2

terminal part

11,12 insert the 1st terminal respectively and insert mouthful 1A and insert among the mouth 1B with the 2nd terminal under state parallel to each other.

Cover cylinder shell 3 has bottom surface sections, be formed at these bottom surface sections two ends the 1st upright establish wall 61 and the 2nd upright establish wall 62 and link these upright establish

wall

61,62 and cover going up of bottom surface sections facial.Cut the facial part that goes up of cover cylinder shell 3, housing 4 is covered in configuration in barbed portion.

Spring-like contact 5 is the C shape, with the predetermined distance configuration, inserts mouthful 10 extensions to terminal.Particularly, the following wrist 5B that has the upwards facial last wrist that extends and extend to bottom surface sections.Corresponding to FPC1,2 heart yearn number, insert mouthful 1A, a 1B to each terminal and respectively dispose 4 spring-like contacts 5.

Lid housing 4 rotates and freely is supported on the last wrist of spring-like contact 5, opens and closes terminal and inserts mouth 10.In the front end central authorities of lid housing 4, form anti-the pull out projection 40 outstanding from the surface.

Central authorities in the bottom surface sections of overlapping cylinder shell 3 form central portion projection 30.This central portion projection 30 is inserted mouth 10 with terminal and is divided into the 1st a terminal insertion mouthful 1A and the 2nd a terminal insertion mouthful 1B.

Central portion projection 30 has the relative the 1st upright the 1st sidewall 31 and the relative the 2nd upright the 2nd sidewall 32 of establishing wall 62 of establishing wall 61.Here, the 1st upright to establish wall 61 bigger slightly than the width of 1FPC1 with the interval of the 1st sidewall 31 of central portion projection 30.In addition, also the width than 2FPC2 is big slightly at the 2nd upright interval of establishing wall 62 and the 2nd sidewall 32 of central portion projection 30.

In addition, insert mouthful 10 sides, form the anti-notch part 33 that pulls out projection 40 of chimeric lid housing 4 in the central authorities and the terminal of the bottom surface sections of overlapping cylinder shell 3.

The effect of above connector 100 is described with reference to Fig. 1.

At first, under the relative state of the square protrusion 16 of the square protrusion 15 that makes 1FPC1 and 2FPC2, FPC1,2 parallel insertion terminals are inserted among mouthful 1A, the 1B.

At this moment, establish the terminal part 11 that wall 61 guides 1FPC1 with upright, insert terminal and insert among mouthful 1A along the 1st sidewall 31 of central portion projection 30.Equally, the terminal part 12 of 2FPC2 is established wall 62 and is guided with upright by the 2nd sidewall 32 of central portion projection 30, inserts terminal and inserts among mouthful 1B.

Insert

terminal part

11,12, square protrusion 15, the 16 butt central portion projections 30 in being formed at FPC1,2.Thus, FPC1,2

terminal part

11,12 are positioned on the following wrist 5B of spring-like contact 5.That is, square protrusion 15,16 has the positioning function of direction of insertion.In addition, in the present embodiment, can insert FPC1 and FPC2 simultaneously, also can insert respectively.

FPC1,2

terminal part

11,12 are being inserted terminals and inserting under the state of

mouthful

1A, 1B, if closing cap housing 4, then covering housing 4 and press FPC1,2

terminal part

11,12, be connected in the front end of the following wrist 5B of spring-like contact 5 to the following wrist 5B of spring-like contact 5.Simultaneously, the anti-projection 40 of pulling out of lid housing 4 is entrenched in the notch part 33, is coupling in simultaneously in FPC1,2 the square protrusion 15,16.

Therefore, because of acting on FPC1,2 power of extracting from connector 100, then square protrusion 15,16 rear end butt separately is anti-pulls out projection 40, prevents that FPC1,2 from coming off from connector 100.

Here, as mentioned above, illustrate the reason of pulling out the pulling-preventing mechanism that projection 40 and notch part 33 form by anti-is set.

Spring-like contact 5 comes

clamping terminal part

11,12 with the power of regulation.The power of spring-like contact 5 clamping

terminal parts

11,12 is not destroy the weak power of

terminal part

11,12, is enough to be electrically connected.At this moment, if act on withdrawal forces from connector 100 to FPC1,2, then spring-like contact 5 can prevent that with the frictional force of

terminal part

11,12 FPC1,2 from coming off from connector 100.

But, under the few situation of the number (number of lead wires of FPC) of spring-like contact 5, because the frictional force of spring-like contact 5 and

terminal part

11,12 reduces, so can not resist the power of extracting to FPC1,2 sometimes from connector 100.Therefore, pulling-preventing mechanism is set, prevents that FPC1,2 from coming off from connector 100.

In addition, the number of lead wires of the FPC that this pulling-preventing mechanism is essential (heart yearn number) is below 5, preferably below 6.

(execution mode 2)

In the present embodiment, the structure of FPC71,72 structure, cover cylinder shell 3A is different with execution mode 1 with the structure of lid housing 4A.

Fig. 2 A is the back view according to the connector 200 of embodiment of the present invention 2, and Fig. 2 B is the plane graph of connector 200, and Fig. 2 C is the front elevation of connector 200, and Fig. 2 D is the right hand view of connector 200.

FPC71,72 has two leads (heart yearn) respectively.

In connector 200,, insert mouthful 1A, a 1B to each terminal and respectively dispose 2 spring-like contacts 5 corresponding to FPC71,72 number of lead wires.

Lid housing 4A possesses stiffener 8, the 8C (with reference to Fig. 3 A～Fig. 3 C) that be arranged in parallel along rotation axis, and wherein, stiffener 8 extends laterally, forms rotating shaft 8A, 8B.In addition, lid housing 4 possesses the outstanding and resilient

elastic protrusion

41,42 from the two sides of front end.

Cover cylinder shell 3A has the pair of

bearings mould

71,72 that inserts the both sides formation of mouth 10 in terminal.Bearing mould 71 possesses that pivot props up the rotating shaft 8A that covers housing 4 uprightly establishes sheet 71A and is fixed on planar chip 71B on the printed base plate 9 by welding etc.Bearing mould 72 possesses that pivot props up the rotating shaft 8B that covers housing 4 uprightly establishes sheet 72A and is fixed on planar chip 72B on the printed base plate 9 by welding etc.

The effect of above connector 200 is described with reference to Fig. 3 A～C.

Fig. 3 A is the sectional view that housing 4 full open position are covered in expression, and Fig. 3 B covers housing 4 sectional view just in off position, and Fig. 3 C is the sectional view that housing 4 complete closing state are covered in expression.

Connector 200 is fixed on the printed base plate 9.In addition, the contact jaw 5C of spring-like contact 5 is fixed by welding on the seat pattern of printed base plate 9.In addition, this printed base plate 9 for example constitutes on the Liquid Crystal Module that is loaded on the electronic equipment.

At first, as shown in Figure 3A, lid housing 4 is an open mode, for overlapping the last facial vertically extending state of cylinder shell 3 relatively.Be coupling in by the muscle 45 that will cover housing 4 on the leading section of last wrist 5A of spring-like contact 5, keep the open mode of covering housing 4.

Under this state, 1FPC1 is inserted the 1st terminal insert a mouthful 1A, 2FPC2 is inserted the 2nd terminal insert a mouthful 1B.Thus, as shown in Figure 4, FPC1,2

terminal part

11,12 are positioned on the following wrist 5B of spring-like contact 5.

Insert terminals and insert under the state of

mouthful

1A, 1B at FPC1,2

terminal part

11,12, if along counterclockwise rotating among Fig. 3 A, then from the state of Fig. 3 A, shown in Fig. 3 B, the coupling of muscle 45 with the leading section of the last wrist 5A of spring-like contact 5 of housing 4 is covered in releasing.

Cover housing 4 and counterclockwise rotate in Fig. 3 B as making again, then shown in Fig. 3 C, the muscle 45 of lid housing 4 is pressed to the following wrist 5B of spring-like contact 5 with FPC1,2

terminal part

11,12, is connected in the front end of the following wrist 5B of spring-like contact 5.Thereby by muscle 45, the spring restoring force of last wrist 5A Yu following wrist 5B by spring-like contact 5 is come clamping FPC1,2

terminal part

11,12 with suitable power.

In addition, the

spring projection

41,42 of lid housing 4A is coupling in upright establishing among sheet 71A, the 72A, and is locked.Take out the

spring projection

41,42 of covering housing 4A by resisting the upright bonding force of establishing

sheet

71A, 72A, can open and cover housing 4.

According to the present invention,, can reduce the erection space of connector because a pair of FPC is connected in a connector.That is, compare, because these two connectors are formed incorporate shape, so can reduce the erection space of connector with the situation that a pair of FPC is connected in two connectors.Particularly, the width of the connector among the embodiment is 8～9.5mm, and depth is 4.77mm, highly is 0.9mm, can reduce horizontal wide especially.

In addition, because make square protrusion be coupling in anti-pulling out in the projection, so direction of insertion is located FPC relatively.In addition, though from sleeve shell to each FPC effect withdrawal force, also be not easy to extract.

In addition, the invention is not restricted to above-mentioned execution mode, the distortion in the scope that can realize the object of the invention, improvement etc. are contained among the present invention.

For example, in described each execution mode, comprise 4 leads and constitute a pair of FPC11,12, comprise two leads and constitute a pair of FPC71,72, but be not limited thereto.That is, the number of lead wires of a pair of FPC can be made as 2 with 4,3 with 2,4 with varying numbers such as 2.

In addition, according to technological thought of the present invention, the electric wire that is connected in connector is not limited to FPC, also can be FFC (Flexible Flat Cable).

Claims

1. connector that connects a pair of FPC, wherein,

Described FPC possesses the wiring portion with conductivity that has flexible strip insulation portion and be arranged on this insulation division inside, and described wiring portion has the terminal part that exposes from the front end of described insulation division,

This connector have insulating properties the cover cylinder shell and

Be formed in this cover cylinder shell and and insert mouth the terminal of the parallel insertion of described a pair of FPC terminal part,

Described cover cylinder shell has the central portion projection that described terminal insertion mouth is divided into two.

2. connector according to claim 1 is characterized in that,

Possess and be arranged in the described cover cylinder shell, insert mouthful elastomeric element that extends and rotate to described terminal and freely be supported in the described cover cylinder shell, open and close the insulating properties lid housing that described terminal is inserted mouthful,

Insert described terminal by the terminal part with described FPC and insert mouth, the terminal region of described FPC is on described elastomeric element, and by closing described lid housing, described lid housing is pressed to described elastomeric element with the terminal part of described FPC, and is connected in described elastomeric element.

3. connector according to claim 2 is characterized in that,

Described each FPC has to the outstanding square protrusion of the direction of intersecting with direction of insertion,

Described cover cylinder shell has the notch part that is formed at described terminal insertion oral-lateral,

Described lid housing has anti-the pull out projection outstanding from the surface,

Described FPC terminal part is being inserted under the state that described terminal inserts mouthful, by closing described lid housing, described lid housing anti-pull out projection in the notch part that is embedded in described cover cylinder shell in, be coupling in the square protrusion of described FPC.

4. according to claim 2 or 3 described connectors, it is characterized in that,

It is wideer than the width of described each FPC that the described terminal that is separated into two is inserted mouth width separately.

5. according to claim 2 or 3 described connectors, it is characterized in that,

Described lid housing has the outstanding and rubber-like elastic protrusion from the surface,

Described cover cylinder shell possesses by closing described lid housing, the bearing portion of the elastic protrusion of the described lid housing that is coupled.

6. portable telephone with Liquid Crystal Module, wherein,

A pair of FPC and the connector that is connected this a pair of FPC are installed in described Liquid Crystal Module,

Described each FPC possesses the wiring portion with conductivity that has flexible strip insulation portion and be arranged on this insulation division inside, and described wiring portion has the terminal part that exposes from the front end of described insulation division,

Described connector has the cover cylinder shell of insulating properties, be formed at this cover cylinder shell in and terminal that will the parallel insertion of described a pair of FPC terminal part insert mouth,

7. connector according to claim 4 is characterized in that,