CN2705920Y

CN2705920Y - Electrical connector

Info

Publication number: CN2705920Y
Application number: CN 200420059803
Authority: CN
Inventors: 高辉
Original assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Current assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Priority date: 2004-05-21
Filing date: 2004-05-21
Publication date: 2005-06-22
Anticipated expiration: 2014-05-21

Abstract

The utility model relates to an electric connector, including a sleeve, a plurality of first terminals, a sub circuit board, a plurality of second terminals, an axle center and a plurality of metal spheroid, these first terminal intervals set up on the sleeve, these first terminals respectively have an annular contact track and show in this sleeve inner edge, the interval is provided with a plurality of through-holes on this axle center, this sub circuit board is arranged in inside this axle center, these second terminals place in on this sub circuit board via the through-hole, these metal spheroids are arranged in the through-hole in this axle center respectively, these metal spheroid lower edges have elastic second terminal sliding contact with these respectively, and insert this axle center in this sleeve, so that these metal spheroid upper edges respectively with the annular contact track sliding contact of these first terminals; therefore, the two operation circuits in the two shells can be electrically connected, and the problems that a flexible flat cable or a cable is pulled and twisted do not exist.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, refers to a kind of being installed on the electronic device revolving shaft such as collapsible mobile phone especially, so that the electric connector that inner two function circuits of the two housings of this electronic installation (as pedestal and loam cake) electrically connect.

Background technology

Carry for the ease of the user, the size of portable electric devices such as mobile phone and weight are constantly dwindled and are alleviated, and dwindle a kind of mode of the size of portable electric device at present, provide a kind of not only housing that includes function circuit.In other words, this mode provide one rotatable and can with the folding mutually housing of another housing, the size that can dwindle the electronic installation collapse state whereby, when needs were operated this electronic installation, a two housings expansion that only needs fold mutually got final product.

Yet, when using these portable electric devices, ensconce the function circuit in these two housings that are separated from each other, must be able to communicate with each other, and the technological means that is used for making the function circuit in the two housings of these electronic installations to electrically connect mutually comprises modes such as soft arranging wire, cable or switch.

See also Fig. 1 and Fig. 2, existing a kind of electronic installation (as mobile phone) that uses soft arranging wire, this electronic installation comprises first housing (as pedestal) 5 that a tool button portion 51 and function circuit (figure slightly) are arranged, one tool loud speaker 61, second housing (as loam cake) 6 of display 62 and function circuit 63, and one articulate second housing 6 in the shaft element 7 of first housing, 5 one sides, and this shaft element 7 comprises that one is positioned at join first pivot 71 of a side of second housing 6 and first housing 5, one two second pivots 72 and that are positioned at first housing 5 and first pivot, 71 both sides can be inserted first pivot 71 and be friction tight axle 73 with first pivot 71 by an opening 712 of first pivot 71.

In this electronic installation, function circuit 63 in second housing 6 is for being electrically connected to the function circuit in first housing 5, therefore a side of this function circuit 63 is extended the soft arranging wire 64 that a transmission signal is used, and contiguous assembling axle 73 positions are provided with a fluting 711 in first pivot 71, and be provided with an axial trough 731 at axle 73, and first housing 5 be provided with one with axial trough 731 corresponding flutings 52.Whereby, soft arranging wire 64 is passed the fluting 711 of first pivot 71, the opening 712 of first pivot 71, the axial trough 731 of axle 73 and the fluting 52 of first housing 5 in regular turn, can reach in first housing 5 to electrically connect with first housing, 5 interior function circuits.

Yet, above-mentioned existing electronic installation, when second housing 6 rotates with respect to first housing 5, because axle 73 can rotate with respect to second pivot 72, making shuttles back and forth is pullled and is reversed in the soft arranging wire 64 of shaft element 7, make reduce the useful life of electronic installation, and condition of poor can take place to contact between function circuit.

Summary of the invention

At the problems referred to above, main purpose of the present utility model provides a kind of electric connector, and its wearing and tearing are little, than the ability folding, and can keep excellent electrical property when two function circuits are pivoted relative to each other and connects.

In order to realize above-mentioned purpose, the utility model provides a kind of electric connector, is installed between first and second housing of folding-type electronic device, and in order to electrically connect the function circuit of this two housings inside, comprising: a sleeve, its inside are formed with one first accommodation space; A most the first terminal, it is arranged on the described sleeve at interval, these the first terminals respectively have ring-type contact track, and described ring-type contact track is revealed in the first accommodation space inner edge of described sleeve, and these the first terminals are electrically connected at the function circuit in described second housing; One sub-circuit board, it is electrically connected at the function circuit in described first housing; One axle center, its inside are formed with one second accommodation space, are arranged at intervals with most through holes on the described axle center, and described sub-circuit board places second accommodation space in described axle center; Most rubber-like second terminal place on the described sub-circuit board via through hole; And most metal ball body, place the through hole in described axle center respectively, these metal ball body lower edges slip with these second terminals respectively and contact, and described axle center is inserted in first accommodation space of described sleeve, slip contact to make these metal ball body upper limbs contact track with the ring-type of these the first terminals respectively.

Whereby, can utilize the metal ball body mode of slipping to contact the track contact with the ring-type of the first terminal realizes electrically connecting, and metal ball body can be rolled along the ring-type contact track of the first terminal, therefore wearing and tearing are little between metal ball body and the first terminal, than the ability folding, and there is not the problem existence that existing soft arranging wire or cable are pullled and reversed, and even make increase the useful life of electric connector electronic installation, and can avoid contact condition of poor generation between function circuit, make and to keep the excellent electrical property connection between two function circuits.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.

Description of drawings

Fig. 1 is assembled in the stereogram of electronic installation for existing electric connector;

Fig. 2 is assembled in the part three-dimensional exploded view of electronic installation for existing electric connector;

Fig. 3 is the three-dimensional exploded view of the utility model electric connector;

Fig. 3 A is the A part detail drawing of Fig. 3;

Fig. 4 is the three-dimensional exploded view of another angle of the utility model electric connector;

Fig. 5 is the three-dimensional combination figure of the utility model electric connector;

Fig. 6 is the three-dimensional combination figure of another angle of the utility model electric connector;

Fig. 7 is the sleeve of the utility model electric connector and the three-dimensional exploded view of the first terminal;

Fig. 8 is the sleeve of the utility model electric connector and the three-dimensional combination figure of the first terminal;

Fig. 9 is assembled in the three-dimensional exploded view of electronic installation for the utility model electric connector;

Figure 10 is assembled in the further three-dimensional exploded view of electronic installation for the utility model electric connector;

Figure 11 is assembled in the further three-dimensional exploded view of another angle of electronic installation for the utility model electric connector.

Embodiment

Below in conjunction with accompanying drawing,, will make technology contents of the present utility model, characteristics and other beneficial effects apparent by embodiment of the present utility model is described in detail.

See also Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the utility model provides a kind of electric connector, especially refer to a kind of being installed on the electronic device revolving shaft such as collapsible mobile phone, so that the electric connector 4 that inner two

function circuits

11,21 of the two housings 1,2 (as pedestal and loam cake) of this electronic installation electrically connect (as Fig. 9 to shown in Figure 11).Two

housings

1,2 articulates with a pintle assembly 3, electric connector 4 includes a sleeve 41, most the first terminals 42, a sub-circuit board 43, most second terminals 44, an axle center 45 and most metal ball body 46 constitute, its middle sleeve 41 is made with plastic material, it is a hollow circular cylinder, inside is formed with one first accommodation space, 411, the first accommodation spaces, 411 two ends and forms the opening shape.

These the first terminals 42 are made with conductivity good metal material, and it is arranged at (as shown in Figures 7 and 8) on the sleeve 41 so that composite molding (insert-molding) mode is spaced.These the first terminals 42 respectively have a ring-type contact track 421 and a pin portion 422,421 bendings of ring-type contact track are circular, and be revealed in accommodation space 411 inner edges of sleeve 41, pin portion 422 then extends outside the sleeve 41, can be in order to second function circuit 21 in second housing 2 that is electrically connected at this electronic installation.

Sleeve 41 is outside and can be provided with a shielding casing 47, and shielding casing 47 is made with metal material, and it is covered in sleeve 41 outsides, has preferable ELECTROMAGNETIC OBSCURANT effect, to prevent electromagnetic interference.Shielding casing 47 1 sides also are provided with an opening of longitudinally offering 471, and opening 471 can stretch out outside the sleeve 41 smoothly for the pin portion 422 of these the first terminal 42 1 ends.Shielding casing 47 2 ends and respectively be provided with a recess 472, and be equipped with corresponding projection 412, two projections 412 and the 472 mutual clampings of two recesses in sleeve 41 outer rims, what make that shielding casing 47 can be firm is covered in sleeve 41 outsides.

Sub-circuit board 43 is a strip circuit board, the nearly end place of its end face is provided with one first connector 431, first connector 431 is a kind of board to board connector, first connector 431 also is connected with most pin portions 432, realize electrically connecting nearly other end place and be provided with a location hole 433 on the sub-circuit board 43 with sub-circuit board 43 with pin portion 432.First connector 431 can electrically connect with corresponding second connector 111 (board to board connector) on first function circuit 11.

Make with plastic material in axle center 45, and it is a cylinder, and inside is formed with one second accommodation space, 451, the second accommodation spaces, 451 at least one ends and forms the opening shapes.Be spaced on the axle center 45 and be provided with most through holes 452, these through holes 452 are connected to second accommodation space 451 by axle center 45 outer rims, in addition 45 be provided with a perforation 453 that connects both sides in the axle center, sub-circuit board 43 is arranged in second accommodation space 451 in axle center 45.

These second terminals 44 are made with conductivity good metal material, it is with spaced sub-circuit board 43 end faces (as shown in Figure 3A) that place of crimping mode, these second terminals 44 respectively have a contact site 441 and a pressure contact portion 442, contact site 441 and pressure contact portion 442 lay respectively at, the below, these second terminals 44 are via the through hole 452 in axle center 45, be crimped on the corresponding electrical contact of sub-circuit board 43 end faces with pressure contact portion 442, make these second terminals 44 and sub-circuit board 43 realize electrically connecting, and can be crimped on sub-circuit board 43 end faces by pressure contact portion 442 elasticity, and make second terminal 44 have elasticity.Be arranged in the perforation 453 and sub-circuit board 43 corresponding positioning hole 433 in axle center 45 in addition with certain hyte part (as latch) 454, sub-circuit board 43 is able in firm second accommodation space 451 that is positioned axle center 45.

These metal ball body 46 are with metal spherosome, these metal ball body 46 place the through hole 452 in axle center 45 respectively, and make these metal ball body 46 lower edges slip with the contact site 441 of these second terminals 44 respectively contacting, then the axle center 45 with sub-circuit board 43, second terminal 44 and metal ball body 46 combinations can be inserted in first accommodation space 411 of sleeve 41, slip contact to make these metal ball body 46 upper limbs contact track 421 with the ring-type of these the first terminals 42 respectively.

Electric connector of the present utility model utilizes the pin portion 422 of the first terminal 42 to be electrically connected at second function circuit 21 in second housing 2, and seeing through metal ball body 46 with the contact site 441 of second terminal 44 contact track 421 and slips contact realization electric connection with the ring-type of the first terminal 42, second terminal 44 also sees through sub-circuit board 43, pin portion 432 and the 431 realization electric connections of first connector, therefore when second connector 111 on first connector 431 and first function circuit 11 electrically connected, two

function circuits

11,21 can be realized electrically connecting; By above-mentioned composition to form electric connector of the present utility model.

Electric connector of the present utility model can be installed on the electronic device revolving shaft such as collapsible mobile phone, and can be by the electric connection of two

function circuits

11,21 that contact realizes two

housings

1,2 inside of this electronic installation of slipping of the first terminal 42, metal ball body 46 and second terminal 44.

When the two

housings

1,2 of this electronic installation is made opening and closing movement, and make when two

function circuits

11,21 produce pivotal action, interlock sleeve 41 and axle center 45 produce pivotal action immediately, the metal ball body 46 of the through hole 452 that places axle center 45 is slipped along the ring-type contact track 421 inner edges rolling of the first terminal 42, no matter which kind of angle folding becomes to make two

housings

1,2, and two

function circuits

11,21 of its inside still can be kept unbroken electric connection.

Because metal ball body 46 is utilized the mode of slipping to contact track 421 contacts with the ring-type of the first terminal 42 and is realized electrically connecting, and metal ball body 46 can be rolled along ring-type contact track 421 inner edges of the first terminal 42, second terminal 44 also has elasticity, can flexiblely contact metal ball body 46, make metal ball body 46 contact track 421 and second terminal 44 slips smooth-going with the ring-type of the first terminal 42, therefore it is little to wear and tear between metal ball body 46 and the first terminal 42, than the ability folding, and there is not the problem existence that existing soft arranging wire or cable are pullled and reversed, and even make increase the useful life of electric connector electronic installation, and can avoid contact condition of poor generation between function circuit, make and to keep the excellent electrical property connection between two function circuits.

Conclude above-mentioned, electronic card coupler 100 of the present utility model, its shield shell 1 is except that having the electromagnetic wave shielding function, and has a function that guiding electronic cards 300 is inserted, and its retreat-card device 4 is also disposed according to the both sides that the specification style characteristic of electronic cards 300 lays respectively at insulated receptacle 2, front end size that its power supply subcard 300 is inserted levels off to the width of electronic cards 300 fully, the plastic frame body of exempting existing electronic card coupler covers the loaded down with trivial details structure of metal shell outward, meet the compact designer trends of applied electronic product, so can reach the purpose of this utility model really.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.

Claims

1, a kind of electric connector is installed between first and second housing of folding-type electronic device, in order to electrically connect the function circuit of this two housings inside, it is characterized in that comprising:

One sleeve, its inside are formed with one first accommodation space;

A most the first terminal, it is arranged on the described sleeve at interval, each described the first terminal respectively has ring-type contact track, and described ring-type contact track is revealed in the first accommodation space inner edge of described sleeve, and each described the first terminal is electrically connected at the function circuit in described second housing;

One sub-circuit board, it is electrically connected at the function circuit in described first housing;

One axle center, its inside are formed with one second accommodation space, are arranged at intervals with most through holes on the described axle center, and described sub-circuit board is arranged in second accommodation space in described axle center;

Most second terminal place on the described sub-circuit board via through hole;

A most metal ball body, place the through hole in described axle center respectively, each described metal ball body lower edge slips with each described second terminal respectively and contacts, and described axle center is inserted in first accommodation space of described sleeve, slip contact to make each described metal ball body upper limb contact track with the ring-type of each described the first terminal respectively.

2, electric connector as claimed in claim 1 is characterized in that: described sleeve outer setting has a shielding casing, and described shielding casing is made with metal material.

3, electric connector as claimed in claim 2 is characterized in that: described shielding casing one side is provided with an opening, and described opening stretches out outside the sleeve for each described the first terminal.

4, electric connector as claimed in claim 2 is characterized in that: described shielding casing two ends respectively are provided with a recess, and described sleeve outer rim is equipped with corresponding projection, described two projections and the mutual clamping of described two recesses.

5, electric connector as claimed in claim 1, it is characterized in that: each described the first terminal respectively has a pin portion, described pin portion extends outside the described sleeve, and each described the first terminal is electrically connected at the function circuit in second housing of electronic installation with pin portion.

6, electric connector as claimed in claim 1, it is characterized in that: described sub-circuit board is provided with one first connector, described first connector and sub-circuit board are realized electrically connecting, described first connector and with described first housing in function circuit on corresponding second connector electrically connect.

7, electric connector as claimed in claim 1 is characterized in that: each described second terminal places on the described sub-circuit board in the crimping mode, makes each described second terminal have elasticity.

8, electric connector as claimed in claim 1, it is characterized in that: each described second terminal respectively has a contact site and a pressure contact portion, each described second terminal is crimped on corresponding electrical contact on the described sub-circuit board with pressure contact portion, and each described metal ball body lower edge slips with the contact site of each described second terminal respectively and contacts.

9, electric connector as claimed in claim 1, it is characterized in that: described axle center is provided with the perforation of perforation both sides, and be arranged in a corresponding positioning hole on the perforation in described axle center and the described sub-circuit board with certain hyte part, described sub-circuit board is positioned in second accommodation space in described axle center.