CN1212693C - Spring contact for connector and connector having same - Google Patents

Spring contact for connector and connector having same Download PDF

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Publication number
CN1212693C
CN1212693C CNB00800319XA CN00800319A CN1212693C CN 1212693 C CN1212693 C CN 1212693C CN B00800319X A CNB00800319X A CN B00800319XA CN 00800319 A CN00800319 A CN 00800319A CN 1212693 C CN1212693 C CN 1212693C
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CN
China
Prior art keywords
spring contact
branch
connector
branches
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB00800319XA
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Chinese (zh)
Other versions
CN1296653A (en
Inventor
让－弗朗西斯·格里马迪
让－马克·道巴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flextronics Innovation Development Co ltd
Tag Comm Inc
Imerj Ltd
Z124 Co
Original Assignee
Alcatel NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel NV filed Critical Alcatel NV
Publication of CN1296653A publication Critical patent/CN1296653A/en
Application granted granted Critical
Publication of CN1212693C publication Critical patent/CN1212693C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The invention concerns a substantially U-shaped spring contact for connector having two branches (11; 12) and a base (13) linking the two branches by one of their ends, each branch being designed to establish an electric contact with an equipment, characterised in that the two branches (11; 12) extend in diverging planes (11.1; 12.1) relative to each other, the intersection (I) of said two planes being included in the base (13) of the U shape. The invention also concerns a connector comprising such a contact.

Description

The spring contact of electric connector and the electric connector that contains this contact
Technical field
The present invention relates to a kind of electric connector that is used for the spring contact of small size electric connector and contains this contact.The present invention is used in particular for telecommunications context, especially for the microminiaturized aspect of cell-phone.Usually, so also nonessential is that this class contact is used for connecting battery and the printed circuit that is contained in cell-phone inside with removing stage makeup and costume.More generally, this contact is the electrical connection that is used between any two equipment.At present, the surface of first end of this contact is welded on the printed circuit, and second end is a soft reed, bends to the top of first end.This reed can contact with the electrode of a battery that is positioned at the connector top of containing this contact.
Background technology
The connector that is contained in the cell-phone is parallelepiped on the whole.This connector has some cells or cludy, and spring contact is arranged therebetween.These cells are on the one hand to first (below claiming) opening of connector, on the other hand to second (deserving to be called face) opening of connector.Below contact with printed circuit, and toply contact with battery.The form that is inserted in the spring contact in this cell becomes U-shaped substantially, has two branches or two arms, at the bottom of one of U-shaped or a turning, is connected with two branches by its each end.U-shaped curved has a circular arc, with perpendicular plane, the plane at first and second place of connector in, each branch of U-shaped is used for setting up with an equipment and electrically contacts.
First branch of U-shaped be fixed on first relative printed circuit of connector on, for example be above being welded in, and second branch constitutes a protuberance, by connector second.
The total height of U-shaped is formed by the addition of three height, and these three highly all is to be determined with two interplanar beelines printed circuit place plane parallel by the point that contains spring contact.First highly is that the distance that first branch is welded in this point-to-point transmission of point that point and first branch on the printed circuit be connected the end of with is constituted; Second highly equals the height at the end, corresponding to the distance between two end points that constitute circular arc; The 3rd highly then be with second branch with respect to these 2 distances of separating of contact point between the peak at the end and second branch and the end.The thickness of connector is by with the decision of the beeline between first and second.The thickness of connector is less than the total height of contact, and this is to be that the thickness of a such connector is 3.2 millimeters with the contact compression in one embodiment because expect when spring contact partly being inserted connector indoor.
Tendency with the electronic instrument microminiaturization is arranged now, for example, with the cell-phone microminiaturization, this has just produced the wish that each size of component that will constitute instrument is dwindled, particularly the connector that is contained in these instruments should be dwindled, for example make its thickness little, and keep other performance constant to 1.8 millimeters.
In present technology, the reduced height of the spring contact that contained in connector thickness and the connector is become possibility, the height of connector and contact and length are significantly increased.In fact, the spring contact of structure means now, can only the total height of spring contact be dwindled with first height of spring contact and the change of the 3rd height.Yet, in order to keep the technical characteristic of contact, the thickness that first height and the 3rd dwindling highly just requires the contact reed and the increase of width, thickness and width especially for the reed of second branch, like this, the width increase of contact reed just causes the increase of the overall width of connector, and this just can not make the cumulative volume of connector reduce.So the existing technology of spring contact has problem for the microminiaturization of connector.
On the other hand, for this connector device on the face of printed circuit, will it be held with suction pipe, should with this suction pipe only with this connector do not have spring contact those the zone contact.In general, this zone is the centre position at this connector, and this just requires to increase the width of connector.Therefore, be to hold such connector now with two fens branched pipettes, each one at every end of connector, this just makes the connector microminiaturization of this technology that another difficult problem is arranged.
Summary of the invention
Target of the present invention is to solve above-named problem, recommends a kind of spring contact that is used for connector, and its form takes the shape of the letter U substantially, has at the bottom of one that two branches are connected with the end that per minute is propped up.Its each branch is used for electrically contacting with an equipment foundation.
According to the present invention, this two branch is in one with respect in another two planes of diverging mutually, and the intersection on these two planes is to be at the end of U-shaped.
So the total height of this spring contact is just less than the former height of the spring contact of technology.
In order further to reduce the total height of contact, the end of an one branch and U-shaped is to be in the same plane.
In addition, connect simply for making, electrically contacting of at least one branch is free end in the branch that addresses.
According to second kind of thought, the present invention relates to an electric connector, have on it first with relative with first second, and have a cell that accommodates according to spring contact of the present invention at least.This cell is to two face openings of connector, and spring contact is to be positioned at this cell, make U-shaped place, the end the plane substantially with the plane parallel at the face place of connector.
The bottom that is connected with second branch with first branch is within cell, and the face of the bending that this end comprises is parallel with aforesaid first and second substantially.Like this, the increase of the width of spring contact and cause that the increase of width of connector is very little.In fact, place contact, first branch that makes contact is in first, and relative with second branch in second by the gap that separates, like this, the cumulative volume of hookup just dwindles, and this is that technology was impossible in the past.
In order to guarantee contact suitable position in cell, the device that is used for guiding spring contact is arranged in the connector.
In order to keep above-mentioned correct position, connector also has holding device.
Use at needs under the situation of a plurality of connections, connector has a plurality of cells, accommodates a U-shaped spring contact in each respectively.
For the volume of such connector enough little, each spring contact in two adjacent cells is placed like this, so that the direction of stretching out is substantially identical, and one with another directed in opposite, a branch branch of a contact adjoins mutually with a branch branch of adjacent contact.
On the other hand, arrange the position of each branch of spring contact, making in district, centre of second does not have spring contact.Can use a suction pipe in this district, so only just can hold (appr é hend é) this connector with a suction pipe.
Description of drawings
Just the present invention may be better understood for the description of reading back and accompanying drawing.The description and the accompanying drawing of back provide as an illustration, and without any restriction, accompanying drawing is to the present invention:
-Fig. 1: according to the perspective view of connector of the present invention;
-Fig. 2: according to the perspective view of spring contact of the present invention;
-Fig. 3: the view of the face that connector according to the present invention is not seen in Fig. 1.
Embodiment
Connector according to the present invention has a body 1, wherein there be first 2 (in Fig. 1, can see), with second 3 (can see in Fig. 3) relative with first, these two faces are in respectively in plane 2.1 and 3.1, and body 1 has a cell 4 to two face openings.For this reason, cell 4 has opening to first 2 first inlet 5 and opening to 6, two inlets 5 and 6 of second inlet of second 3 by the partition walls 4.1 of centre separately.This connector has a plurality of spring contacts 7, and each is all in a cell 4.The thickness of body 1 marks with 8.Thickness 8 preferably is less than or equal to 1.8mm.The width of body 1 is 9, and length is 10.In the example that illustrates, body 1 has four cells and four spring contacts 7.In this case, its width 9 is preferably 8.3mm, and its length 10 is preferably 15.3mm.Yet, according to connector of the present invention one or more cells can be arranged, each cell has a spring contact.The size of connector can change according to the quantity of spring contact or the technical characterictic of requirement.
Spring contact 7 has first branch 11, in plane 11.1 and second branch 12, in plane 12.1.First branch 11 links to each other by the end 13 with second branch 12, this two branch all is used for and an equipment is set up electrical connection, for example with battery or printed circuit, in cell-phone, being by one in two branches of contact it to be fixed on the printed circuit, is by 11 in the drawings; And contact by another branch and battery, be 12 among the figure.The end 13, be the face 13.1 of a bending, and it is parallel to by first and second plane that is determined 2.1 and 3.1 in the time of in being installed to connector.Yet it can be to tilt with respect to these faces also.In this case, term " crooked face " is exactly the plane that spool projects to the place that the face edge of bending and first and second is perpendicular.
According to the present invention, aforesaid two branches 11 and 12 are in respectively in plane 11.1 and 12.1, and one in these two planes is diverged to respect to another, and the intersection I on these two planes is positioned at at the end of U-shaped.
On the other hand, in the example shown, the plane 11.1 of branch 11 and plane 13.1 overlap substantially.
First branch 11 is rectangle, and constitutes two ladders, or two tomography (d é crochement en ) 14 and 15, like this, these two ladders 14 and 15 just are divided into three sections with first branch 11.Its first section 16 is that termination by first branch 11 constitutes, and termination 16 is free ends, is used for being connected with printed circuit, particularly is welded on the printed circuit.Its second section 17 is between ladder 14 and 15, becomes a plane.Section 17 is to be used for remaining in the cell 4 of body 1.Be in ladder 15 for the 3rd section 18 and at the end 13.The 3rd section 18 is movable in the plane of the planar quadrature that is constituted with section 17.Section 18 Colaesces that constituted by ladder 15 are movable with respect to section 17.Ladder 15 also plays the effect of the intensity that increases branch 11.
Second branch 12 have formation on the shoulders first district 19 and the first 21 of crotch 20, the second branches 12 between district 19 and crotch 20, an effect in district 19 is with section 21 and flexure plane 13.1 Colaesces.Be flat rectangle for first section 21, in an example shown, section 21 all is to be used for contacting with a utmost point of battery with elbow 20, and battery props up branch 12 and exceeds first 3.Elbow 20 constitutes a salient angle, with first section 21 and second sections 22 separately so that second section 22 crooked slightly below first section 21.21,22 two sections of second branch 12 all is movable with respect to the end 13 in perpendicular to a plane of the face 13.1 of bending.In addition, branch 12 is different with the plane that branch 11 moves the place, but is parallel to each other.
The total height of spring contact 7 be by first height of the height that equals first branch 11 and by second branch 12 height constituted that the second height addition forms, in fact the height at the end is almost nil, because it highly equals to constitute the thickness of the reed of spring contact.All height all are to determine with two that the separate this absolute methods of interplanar beeline that are parallel to plane 13.1.Aforesaid first highly equals height 23, height 24 and height 25 sums.Height 23 height corresponding to termination 16, height 24 height, height 25 height corresponding to ladder 15 corresponding to ladder 14.Aforesaid second highly equals first section 21 height 26.
Second section 22 height is 27, and second branch 12 is exceeded under the condition of body 1, and height 27 is big as far as possible.In another embodiment, section 22 can have some pawls in its termination, so that this section 22 is remained in second inlet 6.
As shown in Figure 1, be spring contact 7 to be remained in the cell 4 of body 1 with detent mechanism.Some protruding pins 28 are arranged in detent mechanism, section 17 is pressed in the edge 29 of first inlet 5.Said protruding pin 28 for example is the salient point that melts some elastomeric materials on contact 7 after being positioned cell 4.Contact 7 is that first inlet 5 by first 4 place inserts bodies 1, and the size of first inlet 5 is to allow the integral body of contact 7 pass through.Opposite with first inlet, second 6 of the inlets can only allow second branch 12 of contact 7 pass through.In fact, be branch branch 11 to be remained in first inlet 5 with partition wall 4.1.Be that cell 4 has a hole, reach second inlet 6 always, have one second inlet, 6 so big constraints mouthful are only arranged from first inlet 5.When with a thing, when for example battery was pressed on second 3 of body 1, this thing just withstood the branch 12 of spring contact 7, and branch 12 is with regard to pinch in, and height 26 just reduces, and section 22 indentation cells 4.In one embodiment, the range of branch 12 is 1.5mm.The used thing that withstands second 3 is executed is pressed into branch 12 power in the cell 4 between 0.5 to 1.5 newton.
Connector has a symmetry axis 30 and first and second 2 and 3 quadratures, and passes through the center of each face in this two sides.Symmetry axis 30 is and the related special line of the number that embeds the spring contact 7 in the body 1.In fact, only have under the situation of even number spring contact 7, the axis of symmetry 30 is just arranged at connector.
Needing under the situation of a plurality of contacts, connector has a plurality of cells, cell 4a for example, and 4b, each accommodates a spring contact 7a, 7b respectively.Wherein each contact is along identical substantially direction, but on pointing to be one opposite with another: the 12b of branch of the 11a of branch of contact 7a and adjacent with it contact 7b is adjacent.
Replace in second 3 with ladder (march) 20 contactor is arranged in the body 1 mutually, on the contrary, make in this way, then making termination 16 is uniform in this side and the distribution of face 2 over there.The placement of spring contact 7 in body 1 is that some are here, other thereat, in second 3 separately in succession two branches 12 be at interval with in first 2 with these two branches 12 in one of the overlapping of place of a branch 11 linking to each other, from a contact 7 in succession another, the position of termination 16 interlocks.In fact, each termination 16 or exceed from first 2 first limit 31, or exceed from first 2 the another side 32 relative with first limit 31.Like this, connector is fixed with 31 limits and 32 limits and printed circuit, fixes quite solidly, just no longer needs to increase the mechanical positioning that welding guarantees connector.
In addition, in order to reserve a zone 33 that is enough to place suction pipe on second 3, then arrange spring contact 7 with special method, try hard to make zone 33 at middle position, only the suction pipe that is at least 2.5mm by its diameter is seized and is held (pr é hension) connector.
Also have some apertures or loculus 34 on the connector, be out on the side 35 and 36 of the both sides 31 of connector 1 and 32, this opening makes the free end 16 of spring contact 7 of insertion 1 itself exceed this both sides 31 and 32 at 34 places, chamber that arrange, like this, can see that from second 3 termination 16 to weld, is welded on the printed circuit termination 16 just very convenient.

Claims (13)

1. spring contact that is used for connector, described spring contact takes the shape of the letter U and has two branches (11; 12) be connected the end (13) of these two branches with one by its termination, its each branch is used for and an equipment is set up and electrically contacted, and it is characterized in that described two branches (11; 12) be positioned at two planes of diverging to (11.1; 12.1) in, extend in same quadrant on described two planes, and the intersection on described two planes (I) is in the end (13) of the spring contact of described U-shaped, and a branch (11) and the described end (13) are in same plane.
2. according to the spring contact of claim 1, it is characterized in that in described two branches that electrically contacting of (11) at least is that free end (16) in this branch is located to set up.
3. according to the spring contact of claim 1, it is characterized in that (11) in described two branches are to be used for being connected with printed circuit, and another branch (12) is used for contacting with a battery.
4. an electric connector has first (2) and second (3) relative with first, wherein has a cell (4) that accommodates spring contact (7) at least, it is characterized in that spring contact takes the shape of the letter U and has two branches (11; 12) be connected the end (13) of these two branches with one by its termination, its each branch is used for and an equipment is set up and electrically contacted described two branches (11; 12) be positioned at two planes of diverging to (11.1; 12.1) in, extend in same quadrant on described two planes, the intersection on described two planes (I) is in the end (13) of the spring contact of described U-shaped, cell all has opening on aforesaid two sides, spring contact is fixed in the cell, so that the plane (13.1) at (13) place, the end of the spring contact of U-shaped is parallel to the plane (2.1,3.1) at two faces (2,3) difference place of electric connector.
5. according to the electric connector of claim 4, it is characterized in that (11) and the end (13) in two branches of spring contact are in same plane.
6. according to the electric connector of claim 4 or 5, it is characterized in that the electrically contacting of at least one (11) in two branches of spring contact is that free end (16) in this branch is located to set up.
7. according to the electric connector of claim 4 or 5, it is characterized in that (11) in two branches of spring contact are to be used for being connected with printed circuit, and another branch (12) is used for contacting with a battery.
8. according to the electric connector of claim 4 or 5, it is characterized in that having the device (4.1) that spring contact (7) is guided into the position in the cell (4).
9. according to the electric connector of claim 4 or 5, it is characterized in that having device (28,29), be used for spring contact (7) is remained in the cell (4).
10. according to the electric connector of claim 4 or 5, it is characterized in that one of two branches (12) in the spring contact (7) protrude in cell (4).
11. according to the electric connector of claim 4 or 5, it has a plurality of cell (4a; 4b), be used for accommodating a spring contact (7a respectively; 7b), it is characterized in that at two adjacent cell (4a; Spring contact (the 7a that places 4b); Direction 7b) is the same, and the sensing with respect to another is then opposite, and promptly a branch (11a) of contact (7a) is adjacent with contact (7b) branch (12b).
12. according to the electric connector of claim 4 or 5, it is characterized in that having in the face (3) of electric connector one to seize and hold district (33), be positioned at the center of this face (3).
13., two sides (35 are arranged wherein according to the electric connector of claim 4 or 5; 36), two faces (2) and (3) are linked up, it is characterized in that this two sides (35; 36) have a hole (34) at least, the free end (16) of one of two branches of spring contact (7) (11) stretches out from this hole (34).
CNB00800319XA 1999-03-11 2000-03-10 Spring contact for connector and connector having same Expired - Fee Related CN1212693C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9902996A FR2790874B1 (en) 1999-03-11 1999-03-11 SURFACE MOUNTED LOW THICKNESS CONNECTOR ON A PRINTED CIRCUIT
FR99/02996 1999-03-11

Publications (2)

Publication Number Publication Date
CN1296653A CN1296653A (en) 2001-05-23
CN1212693C true CN1212693C (en) 2005-07-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB00800319XA Expired - Fee Related CN1212693C (en) 1999-03-11 2000-03-10 Spring contact for connector and connector having same

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EP (1) EP1037319B1 (en)
JP (2) JP4700814B2 (en)
CN (1) CN1212693C (en)
AT (1) ATE386350T1 (en)
AU (1) AU3296000A (en)
DE (1) DE60037980T2 (en)
ES (1) ES2302683T3 (en)
FR (1) FR2790874B1 (en)
PT (1) PT1037319E (en)
WO (1) WO2000054374A1 (en)

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JP5927607B2 (en) * 2012-03-15 2016-06-01 北川工業株式会社 Contact material

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Also Published As

Publication number Publication date
CN1296653A (en) 2001-05-23
ES2302683T3 (en) 2008-08-01
EP1037319B1 (en) 2008-02-13
JP2010108951A (en) 2010-05-13
AU3296000A (en) 2000-09-28
JP2002539588A (en) 2002-11-19
DE60037980D1 (en) 2008-03-27
JP4638957B2 (en) 2011-02-23
DE60037980T2 (en) 2009-01-29
FR2790874B1 (en) 2001-05-04
WO2000054374A1 (en) 2000-09-14
PT1037319E (en) 2008-05-16
EP1037319A1 (en) 2000-09-20
FR2790874A1 (en) 2000-09-15
JP4700814B2 (en) 2011-06-15
ATE386350T1 (en) 2008-03-15

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