CN1700522A

CN1700522A - Electric connector

Info

Publication number: CN1700522A
Application number: CN 200410043300
Authority: CN
Inventors: 蔡周旋
Original assignee: TUOYANG IND CO Ltd
Current assignee: TUOYANG IND CO Ltd; Top Yang Technology Enterprise Co Ltd
Priority date: 2004-05-18
Filing date: 2004-05-18
Publication date: 2005-11-23

Abstract

This invention provides one electrical connector, which comprises the following parts: one socket with several terminal groves located; several terminals located on the socket with one fixing part, one elastic part, one plug tightly connected to the groove; the elastic part is located with one down spring and one upper spring with down end connected to the fixing part to form one gap at the fixing part; the spring extends to the upward through fixing part to the terminal groove with one connector at near end; the plug is located down the fixing part extending out of bottom.

Description

Electric connector

Technical field

The invention relates to a kind of electric connector, be meant a kind of electric connector especially with preferable contact resilient.

Background technology

The bottom surface of wafer (as CPU) is formed with several spaced contacts, and the electric connector that connects this pattern wafer is to utilize a downforce that wafer is fixed on the pedestal, uses the terminal Elastic Contact in contact that makes wafer and the terminal groove that is arranged in pedestal and guarantees to be electrically connected.

See also Fig. 1, be a kind of electric connector of connecting wafer, it is to be provided with: a pedestal 10, and arrange on it and be provided with several terminals groove 11; And several terminals 14, it is the terminal groove 11 that is arranged at this pedestal, and it is provided with the up and down elastic arm 15 and a fixed part 16 of springing, and this fixed part 16 is to fix with terminal groove 11 packings, this elastic arm 15 is connected in fixed part 16 upper ends, and its proximal end is provided with a contact 17 that protrudes.

When wafer 90 placed on the pedestal 10, each contact 91 of wafer 90 was contacts 17 of this each terminal 14 of contact; See also Fig. 2, when wafer 90 stressed pressing down, each terminal 12 is the receipts that contract by the elasticity of elastic arm 15, and this moment, contact 17 was that elasticity pushes against this contact 91 and reaches the electrical connection effect.

Knownly be configured with following shortcoming: promptly, terminal groove 11 is rectangular and is spaced on pedestal 10, terminal 14 is arranged in the

terminal groove

11,15 limited length that can extend of its elastic arm, the length of having only terminal groove 11, so its elasticity does not reach optimum state, especially under the situation that the function of CPU is more and more strong, its contact is also more and more many, so this pedestal 10 needs to arrange more terminal groove 14, make the length of terminal groove reduce, so 15 energy development lengths of elastic arm of terminal 14 also reduce, thereby may form the bad and easy elastic fatigue of elasticity.

Summary of the invention

Main purpose of the present invention is to provide a kind of electric connector, the elastic arm of its terminal be from lower to upper around, and extend to the terminal groove in next door, so terminal can have splendid elastic contacting effect through the upper end of fixed part.

For reaching above-mentioned purpose, the invention provides a kind of electric connector, it is characterized in that: it includes:

One base is spaced on it and is provided with the several terminals groove; And

Several terminals, this several terminals is located at the several terminals groove of this base, this terminal is provided with a fixed part, one elastic arm, an and pin portion, this fixed part and terminal groove packing location, this elastic arm is provided with a hypomere elastic arm and an epimere elastic arm, the lower end of this hypomere elastic arm is connected in the fixed part lower end and from bottom to top extends and make the upper end of this hypomere elastic arm become a spacing with fixed part, this epimere elastic arm is the terminal groove that this fixed part upper end of oblique up extend past extends the next door by the upper end of hypomere elastic arm, this epimere elastic arm is provided with a contact near end, and this pin portion is positioned at this fixed part below and stretches out this base lower end.

Described electric connector is characterized in that: the upper limb of this each terminal groove is provided with the terminal groove of a breach to the next door, and the epimere elastic arm of this each terminal extends the terminal groove in next door via this breach.

Described electric connector is characterized in that: the hypomere elastic arm of this terminal and fixed part form the U-shaped shape.

Described electric connector is characterized in that: the fixed part of this terminal is resisted against a wall of this terminal groove, and this hypomere elastic arm is resisted against another corresponding wall of this terminal groove.

Described electric connector is characterized in that: the width of the breach of this terminal groove is greater than the width of the epimere elastic arm of this terminal, uses only springing and the skew about do not understood by the restriction of this breach up and down of epimere elastic arm that makes terminal.

Described electric connector is characterized in that: the fixed part upper end of this terminal is provided with dual-side and the middle recess that forms, and the epimere elastic arm of the elastic arm of this terminal passes this recess, and this dual-side can limit its left and right directions.

Described electric connector is characterized in that: the upper end of this base is provided with the rest area of placing a wafer, and the contact of this several terminals is to protrude this terminal groove to this rest area; And this electric connector also is provided with a loam cake, and cover back-end is articulated in the rear end of this base on this, and this loam cake front end is provided with and is laterally and the lug that protrudes forward, and this loam cake is covered on base and presses down this wafer; And a rocking bar, this rocking bar is provided with first bar and second bar that is vertical mutually, and this second bar pivot is connected to the front end of base and it is bent to form a nose bar, and when first bar shook toward base rear end, this nose bar was suppressed the lug of this loam cake.

Described electric connector is characterized in that: this base comprises the outer seat of a metal and interior of plastics, and seat is sleeved in this outer seat in this, and this several terminals groove and rest area are located on this interior seat, and this rocking bar and loam cake are articulated in the front and back ends of this outer seat respectively.

Described electric connector is characterized in that: the upper end of this base is provided with the rest area of placing a wafer, and the contact of this several terminals is to protrude this terminal groove to this rest area; And this electric connector also is provided with a loam cake, and cover back-end is articulated in the rear end of base on this, and this loam cake front end is provided with a clamping part, and the front end of this base is established a buckle elastic arm, and this buckle elastic arm is provided with a clamping part; This loam cake is covered on base and presses down this wafer, and the clamping part on the buckle elastic arm of the clamping part of loam cake fastening base.

Described electric connector is characterized in that: this base comprises the outer seat of a metal and interior of plastics, and seat is sleeved in this outer seat in this, and this several terminals groove and rest area are located on this interior seat, and this loam cake is articulated in the rear end of this outer seat.

Described electric connector is characterized in that: the pin portion of this terminal is circular-arc and is connected in a datum plate, and this datum plate is connected in the fixed part lower end.

Described electric connector is characterized in that: the pin portion of this terminal is connected in the fixed part lower end with a tin ball.

Described electric connector is characterized in that: the hypomere of the epimere elastic arm of this terminal is a wide plate, and it is narrow narrow boards than this wide plate that its epimere is one, and this wide plate is provided with a perforate.

Described electric connector is characterized in that: the narrow boards of the epimere elastic arm of this terminal corresponds to the perforate of wide plate of the terminal of last terminal groove.

The present invention also provides a kind of connector terminals, and it is to be arranged at the connector terminals groove, and it is characterized in that: it is provided with:

One fixed part, itself and this terminal groove packing is located;

One elastic arm, it is provided with a hypomere elastic arm and an epimere elastic arm, the lower end of this hypomere elastic arm is connected in the fixed part lower end and from bottom to top extends, its upper end becomes a spacing with fixed part, this epimere elastic arm is oblique up extend past fixed part top by the upper end of hypomere elastic arm, and it is provided with a contact near end; And

One pin portion is located at the fixed part below.

Described connector terminals is characterized in that: this hypomere elastic arm and fixed part form a U-shaped body.

Described connector terminals is characterized in that: this fixed part upper end is provided with dual-side and the middle recess that forms, and the epimere elastic arm of the elastic arm of this terminal passes this recess, and this dual-side can limit the left and right directions of this epimere elastic arm.

Described connector terminals is characterized in that: the pin portion of this terminal is circular-arc and is connected in a datum plate, and this datum plate is connected in the fixed part lower end.

Described connector terminals is characterized in that: the pin portion of this terminal is connected in the lower end of this U-shaped body with a tin ball.

Described connector terminals is characterized in that: the hypomere of the epimere elastic arm of this terminal is a wide plate, and it is narrow narrow boards than this wide plate that its epimere is one, and this wide plate is provided with a perforate.

Described connector terminals is characterized in that: the narrow boards of the epimere elastic arm of this terminal corresponds to the perforate of wide plate of the terminal of last terminal groove.

By above structure, can make the elastic arm of terminal extend very long length, make terminal have excellent contact elasticity.

Above-mentioned and other purpose of the present invention, advantage and characteristic by in the detailed description of following preferred embodiment and with reference to graphic when can be clearer, wherein:

Description of drawings

Fig. 1 is the first user mode figure of known electric connector and wafer.

Fig. 2 is the second user mode figure of known electric connector and wafer.

Fig. 3 is the three-dimensional exploded view of preferred embodiment of the present invention.

Fig. 4 is the three-dimensional combination figure of preferred embodiment of the present invention.

Fig. 5 is the user mode stereogram of preferred embodiment of the present invention.

Fig. 6 is the side cutaway view of preferred embodiment of the present invention.

Fig. 7 is the user mode side cutaway view of preferred embodiment of the present invention.

Fig. 8 be preferred embodiment of the present invention terminal and the three-dimensional exploded view of interior seat.

Fig. 9 is the terminal stereogram of preferred embodiment of the present invention.

Figure 10 is the terminal stereogram of the present invention's second preferred embodiment.

Figure 11 is the terminal stereogram of the present invention's the 3rd preferred embodiment.

Figure 12 is the three-dimensional exploded view of the present invention's the 4th preferred embodiment.

Figure 13 is the three-dimensional combination figure of the present invention's the 4th preferred embodiment.

Figure 14 is the terminal of the present invention's the 5th preferred embodiment and the three-dimensional exploded view of interior seat.

Figure 15 is the terminal stereogram of the present invention's the 6th preferred embodiment.

Figure 16 looks constitutional diagram on the terminal of the present invention's the 6th preferred embodiment and the interior seat.

Embodiment

See also Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the electric connector of present embodiment is to include: a base, several terminals 60, a loam cake 70, an and rocking bar 80, wherein:

This base includes the interior seat 40 of outer seat 30 and one plastics of a metal; Should be provided with a bottom surface 31 and two side 32 by outer seat 30, and form a saturating dead zone 33 in the central authorities of this bottom surface 31, its front end is provided with first articulated section 34 in addition, and the rear end is provided with second articulated section 35 that is poroid, and the one side is provided with a clip 36 in addition; Should interior seat 40 be to be sleeved in the outer seat 30, be spaced on it and be provided with several terminals groove 41, the periphery of its upper end is provided with flange 42 upwards and surrounds the rest area 43 of placing a wafer 90, please cooperate and consult Fig. 8, wherein this each terminal groove 41 is provided with front face 44, rear surface 45, reaches two side walls 46, the upper limb of front face 44 is provided with the terminal groove 41 of a breach 48 to the next door, and the bottom surface of terminal groove is provided with a perforate 49.

This several terminals 60 is the several terminals grooves 41 that from top to bottom are assembled in the interior seat 40 of this base, and it is provided with a fixed part 61, an elastic arm 62, reaches a pin portion 63; This fixed part 61 is resisted against the rear surface 45 of terminal groove 41 and its both sides and is provided with protuberance 64 and uses two side walls 46 packings location with terminal groove, and its upper end is provided with dual-side 611 and the middle recess 612 that forms in addition; This elastic arm 62 is provided with a hypomere elastic arm 65 and an epimere elastic arm 66, the lower end of this hypomere elastic arm 65 is connected in fixed part 61 lower ends and from bottom to top extends and be resisted against the front face 44 of terminal groove and form a U-shaped shape with

fixed part

61,61 one-tenth one spacings of the upper end 68 and the fixed part of hypomere elastic arm 65, this epimere elastic arm 66 is the terminal groove 41 of the breach 48 of the recess 612 of oblique up extend past fixed part 61 upper ends and terminal groove to the next door by the upper end 68 of hypomere elastic arm, it is provided with a contact 67 near end, and this contact 67 is to protrude this terminal groove 41 to this rest area 43; This pin portion 63 is circular-arc and is connected in a datum plate 69, and this datum plate 69 is connected in fixed part 61 belows again, and this datum plate 69 is butted on the bottom surface of terminal groove 41, and this pin portion 63 is by perforate 49 protuberate basic unit lower ends.The bottom surface that this each terminal is butted on terminal groove 41 by this datum plate 69 so can make the pin portion 63 protuberate basic unit lower ends of each terminal become sustained height as benchmark, is beneficial to be welded on the circuit board in the surface adhering mode.

Wherein, the width of the breach 48 of terminal groove only is slightly larger than the width of the epimere elastic arm 66 of terminal 60, uses only up and down springing and the skew about do not understood by the restriction of this breach 48 of epimere elastic arm 66 that makes terminal.This datum plate 69 and pin portion 63 puncture to stamp out in the middle of the plate face of elastic arm 62, make middle formation one perforate 601 of elastic arm 62, in addition, see also Fig. 9, terminal is to connect into continuous terminal according to being spaced of terminal groove 41 by a strip 602 when manufacturing is finished, the upper end of this fixed part 61 is to connect strip 602 and be provided with the trace 603 that fractures, after terminal 60 whole rows pack terminal groove 41 into again by the trace 603 that the fractures strip 602 that fractures.

This loam cake 70 is to be provided with a capping 71 and two side 72, both sides, its rear end respectively are provided with an articulated section 73 that is the curved arc shape, be provided with a stopping plate 74 in the middle of the rear end, this articulated section 73 is articulated in second articulated section 35 of outer seat 30 rear ends of base, its front end is provided with two lugs 75, this two lug 75 is horizontal and protrudes forward, its capping 71 can press down the periphery of this wafer 90 when loam cake 70 is covered on base, in addition, loam cake 70 is starting when being vertical, and its stopping plate 74 can be butted on the rear end of outer seat 40 and unlikely dropping out.

This rocking bar 80, it is provided with first bar 81 and second bar 82 that is vertical mutually, this second bar 82 is articulated in first articulated section 34 of outer seat 30 front ends of base, and it is bent to form a nose bar 83, these first bar, 81 outer ends are bent to form a handgrip 84, when first bar 81 shook toward base rear end, this nose bar 83 can be suppressed the lug 75 of this loam cake 70, is electrically connected with this several terminals 60 and make loam cake 70 press down this wafer 90; As shown in Figure 6, this rocking bar 80 shook to when location, but its first bar, 81 fastenings clip of 40 36 times in this outside.

By above structure, because the elastic arm 62 of this terminal 60 is up to extend pitch of the laps by fixed part 61 lower ends, it includes hypomere elastic arm 65 and epimere elastic arm 66, and epimere elastic arm 66 more extends to the terminal groove 41 in next door, so elastic arm 62 can have splendid elasticity; As shown in Figure 7, when wafer 90 is subjected to loam cake 70 compactings with termination contact, elastic arm 62 elasticity of this terminal receipts that contract, but the contact 91 of its contact 67 Elastic Contact wafers 90, though the epimere elastic arm 66 of the elastic arm 62 of this terminal extends the terminal groove 41 in next door, so because of this epimere elastic arm 66 is to be oblique to extend upward, so its terminal 41 that can not touch the next door causes short circuit.

By above explanation as can be known, the present invention has the following advantages:

1. the elastic arm 62 of terminal is very long and because of epimere elastic arm 66 more extends to the terminal groove 41 in next door, so elastic arm 62 can increase horizontal development length, makes integral body have splendid elasticity.

2. the pin portion 63 of this terminal and datum plate 69 are that the centre of own elasticity arm 62 punctures and stamps out, and can save material.

3. the epimere elastic arm 66 of the elastic arm 62 of terminal can be subjected to the restriction of breach 48 and be offset about not understanding, so its contact 67 can very accurately be electrically connected with contact 91 wafer 90.

Seeing also Figure 10, is to be the second embodiment of the present invention, and it is roughly identical with first embodiment, and its difference is that the pin portion 63 of this terminal 60 is longitudinal extension.

See also Figure 11, be to be the third embodiment of the present invention, it is roughly identical with first embodiment, and its difference is that the pin portion 63 of this terminal 60 is a tin ball, the centre that this pin portion 63 is not the own elasticity arm punctures and stamps out, and it is to be connected in fixed part 61 lower ends with a tin ball.

See also Figure 12 and Figure 13, be to be the fourth embodiment of the present invention, it is roughly identical with first embodiment, its difference is that present embodiment is to adopt loam cake and the directly design of fastening of base, be not provided with rocking bar, promptly, be provided with a convex arc section 39 of protruding to the back-end in the middle of the front end of the outer seat 30 of this base, the both sides of convex arc section 39 respectively are provided with a buckle elastic arm 37 to sidewall 32 extensions, the proximal end of this buckle elastic arm 37 is provided with a clamping part 38 and its end exceeds sidewall 32, this clamping part 38 is a block button hole, be provided with a jacking block 76 in the middle of the front end of this loam cake 70 and both sides respectively are provided with a clamping part 77, this clamping part 77 is a buckle overhead kick, when wafer 90 put into seat 40 again loam cake 70 is covered on outside 30 the time, the clamping part 77 of loam cake 70 promptly is fastened on the clamping part 38 of outer seat 30, makes loam cake 70 and outer seat 30 both location; When taking out wafer, then two buckle elastic arms 37 are pulled forward and can be made loam cake 70 and outer seat 30 thread off and separate.

See also Figure 14, be to be the fifth embodiment of the present invention, it is roughly identical with first embodiment, its difference be present embodiment interior seat 40 terminal groove 41 before,

rear surface

44,45 is low than two side walls 46, make the epimere elastic arm 66 of terminal 60 can extend the terminal groove 41 in next door, before the terminal groove of present embodiment, rear surface 44, though 45 are not provided with the right position that breach limits the epimere elastic arm 66 of terminal, the epimere elastic arm 66 of right terminal is the recess 612 through the fixed part top, so still can be subjected to the dual-side 611 of this fixed part top limits and skew about unlikely, present embodiment because of terminal groove before,

rear surface

44,45 are not provided with breach, so it is the mould of its plastics ejection formation is comparatively simplified, more or less freely on making.

See also Figure 15 and Figure 16, be the sixth embodiment of the present invention, it is roughly identical with the 5th embodiment, be equally interior seat 40 terminal groove 41 before,

rear surface

44,45 is low than two side walls 46, make the epimere elastic arm 66 of terminal 60 can extend the terminal groove 41 in next door, its difference is that the hypomere of epimere elastic arm 66 of elastic arm 62 of the terminal 60 of present embodiment is a wide plate 613, it is narrow narrow boards 614 than this wide plate that its epimere is one, this narrow boards 614 is set as a contact 67 near end, this wide plate 613 extends near this fixed part 61 tops, and the epimere of wide plate 613 and hypomere elastic arm 65 is with wide, this wide plate 613 is provided with an elongated perforate 615 to the epimere of hypomere elastic arm 65, and the narrow boards 614 of the epimere elastic arm of this terminal corresponds to the perforate 615 of wide plate 614 of the terminal 60 of last terminal groove 41; It is the lower end that a tin ball is connected in fixed part 61 and hypomere elastic arm 65 formed U-shaped bodies for this pin portion 63.

By above structure, the wide plate 613 of the epimere elastic arm 66 of the elastic arm of present embodiment is to adopt than the bending of wide plate face to form, roughly with fixed part 61 with wide, only there is the epimere of epimere elastic arm 66 to establish a bit of narrow boards 614 of formation, so the epimere elastic arm 66 of elastic arm 62 can have preferable stability, more can double swerve, so contact 67 is unlikely causes skew; In addition, when contact 67 is electrically connected with wafer and epimere elastic arm 66 is pressed down, because this narrow boards 614 corresponds to the perforate 615 of wide plate 613 of the terminal 60 of last terminal groove 41, even if so upper and lower section difference in height control of epimere elastic arm 66 is improper, the terminal 60 of these front and back also can not contact and cause short circuit.

The specific embodiment that is proposed in the detailed description of preferred embodiment is only in order to be easy to illustrate technology contents of the present invention, and be not with narrow sense of the present invention be limited to this embodiment, in fact, the present invention can make many variations and implement.

Claims

1. electric connector, it is characterized in that: it includes:

One base is spaced on it and is provided with the several terminals groove; And

2. electric connector as claimed in claim 1 is characterized in that: the hypomere elastic arm of this terminal and fixed part form the U-shaped shape.

3. electric connector as claimed in claim 1 is characterized in that: the fixed part of this terminal is resisted against a wall of this terminal groove, and this hypomere elastic arm is resisted against another corresponding wall of this terminal groove.

4. electric connector as claimed in claim 1 is characterized in that: the fixed part upper end of this terminal is provided with dual-side and the middle recess that forms, and the epimere elastic arm of the elastic arm of this terminal passes this recess.

5. electric connector as claimed in claim 1 is characterized in that: the pin portion of this terminal is circular-arc and is connected in a datum plate, and this datum plate is connected in the fixed part lower end.

6. electric connector as claimed in claim 1 is characterized in that: the pin portion of this terminal is connected in the fixed part lower end with a tin ball.

7. electric connector as claimed in claim 1 is characterized in that: the upper limb of this each terminal groove is provided with the terminal groove of a breach to the next door, and the epimere elastic arm of this each terminal extends the terminal groove in next door via this breach.

8. electric connector as claimed in claim 7 is characterized in that: the width of the breach of this terminal groove is greater than the width of the epimere elastic arm of this terminal.

9. electric connector as claimed in claim 1 is characterized in that: the upper end of this base is provided with the rest area of placing a wafer, and the contact of this several terminals is to protrude this terminal groove to this rest area; And this electric connector also is provided with a loam cake, and cover back-end is articulated in the rear end of this base on this, and this loam cake front end is provided with and is laterally and the lug that protrudes forward, and this loam cake is covered on base and presses down this wafer; And a rocking bar, this rocking bar is provided with first bar and second bar that is vertical mutually, and this second bar pivot is connected to the front end of base and it is bent to form a nose bar, and this nose bar is suppressed the lug of this loam cake.

10. electric connector as claimed in claim 9, it is characterized in that: this base comprises the outer seat of a metal and the interior seat of plastics, seat is sleeved in this outer seat in being somebody's turn to do, and this several terminals groove and rest area are located on this interior seat, and this rocking bar and loam cake are articulated in the front and back ends of this outer seat respectively.

11. electric connector as claimed in claim 1 is characterized in that: the upper end of this base is provided with the rest area of placing a wafer, and the contact of this several terminals is to protrude this terminal groove to this rest area; And this electric connector also is provided with a loam cake, and cover back-end is articulated in the rear end of base on this, and this loam cake front end is provided with a clamping part, and the front end of this base is established a buckle elastic arm, and this buckle elastic arm is provided with a clamping part; This loam cake is covered on base and presses down this wafer, and the clamping part on the buckle elastic arm of the clamping part of loam cake fastening base.

12. electric connector as claimed in claim 11 is characterized in that: this base comprises the outer seat of a metal and interior of plastics, and seat is sleeved in this outer seat in this, and this several terminals groove and rest area are located on this interior seat, and this loam cake is articulated in the rear end of this outer seat.

13. electric connector as claimed in claim 1 is characterized in that: the hypomere of the epimere elastic arm of this terminal is a wide plate, and it is narrow narrow boards than this wide plate that its epimere is one, and this wide plate is provided with a perforate.

14. electric connector as claimed in claim 13 is characterized in that: the narrow boards of the epimere elastic arm of this terminal corresponds to the perforate of wide plate of the terminal of last terminal groove.

15. a connector terminals, it is to be arranged at the connector terminals groove, and it is characterized in that: it is provided with:

One fixed part, itself and this terminal groove packing is located;

One pin portion is located at the fixed part below.

16. connector terminals as claimed in claim 15 is characterized in that: this hypomere elastic arm and fixed part form a U-shaped body.

17. connector terminals as claimed in claim 15, it is characterized in that: this fixed part upper end is provided with dual-side and the middle recess that forms, the epimere elastic arm of the elastic arm of this terminal passes this recess, and this dual-side can limit the left and right directions of this epimere elastic arm.

18. connector terminals as claimed in claim 15 is characterized in that: the pin portion of this terminal is circular-arc and is connected in a datum plate, and this datum plate is connected in the fixed part lower end.

19. connector terminals as claimed in claim 16 is characterized in that: the pin portion of this terminal is connected in the lower end of this U-shaped body with a tin ball.

20. connector terminals as claimed in claim 15 is characterized in that: the hypomere of the epimere elastic arm of this terminal is a wide plate, and it is narrow narrow boards than this wide plate that its epimere is one, and this wide plate is provided with a perforate.

21. connector terminals as claimed in claim 15 is characterized in that: the narrow boards of the epimere elastic arm of this terminal corresponds to the perforate of wide plate of the terminal of last terminal groove.