CN201029136Y

CN201029136Y - Electrical connector terminal structure without inserting force

Info

Publication number: CN201029136Y
Application number: CNU200720001601XU
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: 2007-01-17
Filing date: 2007-01-17
Publication date: 2008-02-27
Anticipated expiration: 2017-01-17

Abstract

The utility model relates to a terminal structure of the electric connector with 0 embedded force, which is bended by the metal plate through the plate face to form: a U-shaped main body, which is provided with a first side plate and a second side plate face to face with a certain space; a first plate face, which is connected on the first side plate of the U-shaped main body and the plate face is in portrait; and a second plate face, which is positioned above the second side plate of the U-shaped main body, and the plate face is in portrait with the back section not connected with the second side plate. The front section for the first plate face and the second plate face is in a first spacing and the back section for two is in a second spacing. The second spacing is smaller than the first spacing. The second plate face 50 forms an elastic arm by the structure above and has good side elastic moving effect. The assembling is easy for the U-shaped main body installing to the terminal groove and the positioning is stable.

Description

The terminal structure of electrical connector of zero insertion force

Technical field

The utility model relates to a kind of electric connector, particularly a kind of connector terminals structure of zero insertion force.

Background technology

Central processing unit (be called for short CPU) is a kind of electric connector of zero insertion force because pin is numerous as the electric connector that connects, and so CPU zero insertion force puts into electrical connection.

See also Fig. 1, it shows a kind of existing zero insertion force electric connector, and it is provided with a plastics pedestal 10 and a plurality of terminal 15; Row is provided with a plurality of terminal grooves 11 on this plastics pedestal 10; This terminal 15 is provided with a fixed part 16, one pin 17, one elastic arm 18, an and contact chip 19, this fixed part 16 can be used with terminal groove 11 fixing, this pin 17 is connected in fixed part 16 and extends downwards, elastic arm 18 is connected in fixed part 16, this contact chip 19 is connected in this elastic arm 18 upper ends, this contact chip 19 is two section difference shapes, so terminal group is contained in the terminal groove 11, this contact chip 19 forms a wide district 12 and a narrow district 13 with terminal groove 11, so CPU is when connecting, its pin can be gone into by these wide district 13 0 intercalations, slips into narrow district 12 through drive again and is electrically connected with contact chip 19.

Though the structure of above-mentioned existing terminal is very simple, is easy to stamped, yet it only is the contact of single face, and is still non-good on being electrically connected.

See also Fig. 2, it shows another kind of existing zero insertion force connector terminals, its structure is provided with the pin 22 that an inverted U-shaped main body 21 and is connected in the main body below, also be provided with one in the middle of this main body 21 and be inverted U-shaped fluting 23, main body 21 is had to the open elasticity in both sides, and this fluting 23 is formed with a narrower narrow groove 24; CPU is when connecting, and its pin can promptly slip into narrow groove 24 through drive and be electrically connected with main body 21 by being gone into by zero intercalation of narrow groove 24 the place aheads earlier again.

The pin of CPU slips into narrow groove 24 and is electrically connected with main body 21, though be the contact on two sides and the pin of CPU is clamped on being electrically connected, can guarantee to be electrically connected, right its is electrically connected the position narrow groove 24 (being plate face fluting), so for the thickness of slab of main body 21 (two side sections of narrow groove 24) contacts with the pin of CPU, contact area is little, so electrical connection is also non-good, and the Gold plated Layer of the pin of the comparatively coarse meeting of section scratch CPU.

Summary of the invention

The terminal structure of electrical connector that is to provide a kind of zero insertion force of argument of the present utility model, can reach has good springing electrical connection effect and textural simplification that manufacturing is gone up easily.

Secondary objective of the present utility model is to provide a kind of terminal structure of electrical connector of zero insertion force, can reach that assembling is gone up easily and to be positioned terminal groove firm.

For reaching above-mentioned purpose, the terminal structure of electrical connector of the utility model zero insertion force, it is formed with by the bending of plate face with metal sheet: a U-shaped main body, it is provided with and is a spacing and first side plate of facing mutually and second side plate; One first plate face, it is connected at first side plate of this U-shaped main body, and its plate face is vertical; And one second plate face, it is connected at second side plate top of this U-shaped main body, its plate face is vertically and its back segment does not link to each other with second side plate, and the leading portion of this first plate face and the second plate face is first spacing and both back segments are second spacing, and this second spacing is little than first spacing; By above structure, this second plate face forms an elastic arm, have good in the springing effect, and this U-shaped main body when being assembled in terminal groove assembling go up easily and the location firm.

Description of drawings

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

Fig. 1 is the three-dimensional exploded view of existing zero insertion force electric connector.

Fig. 2 is the stereogram of existing zero insertion force connector terminals.

Fig. 3 is the three-dimensional exploded view of the utility model first embodiment.

Fig. 4 is the user mode schematic top plan view of the utility model first preferred embodiment.

Fig. 5 is the user mode schematic top plan view of the utility model first embodiment.

Fig. 6 is the stereogram of the terminal of the utility model first embodiment together with strip.

Fig. 7 is the combination section of the utility model first embodiment.

Fig. 8 is the stereogram of the utility model second embodiment.

Fig. 9 is the vertical view of the utility model second embodiment.

Figure 10 is the stereogram of the utility model the 3rd embodiment.

Figure 11 is the vertical view of the utility model the 3rd embodiment.

Embodiment

See also Fig. 3, the electric connector of the zero insertion force of present embodiment is provided with a plastics pedestal 70 and a plurality of terminal 3, and row is provided with a plurality of terminal grooves 71 on this plastics pedestal 70, please cooperate and consult Fig. 7, the below of this terminal groove 71 is provided with a tin ball groove 72, and these tin ball groove 72 1 sides are provided with abutment face 73; This terminal 3 is integrally formed with: a U-shaped main body 30, one first plate face 40, one second plate face 45, an and pin 55, wherein:

This U-shaped main body 30 is provided with and is first and

second side plate

31,32 and the bottom surface 33 that a spacing and plate face are faced mutually, and this first lateral plates 31 forms saturating dead zones 34 and forms the shaped as frame shape.

This first plate face 40 is connected at first side plate, 31 tops of this U-shaped main body 30, its plate face is vertical, it is bent to form preceding 41, the back segment 43 of jump, leading portion 41 is positioned at the outside than back segment 43, be provided with the stage casing 42 that is oblique from outside to inside between leading portion 41 and the back segment 43, the front and

rear sections

41,43 of this first plate face all links to each other with first side plate, 31 tops, makes the first plate face 40 and first side plate, 31 integral body have bigger intensity.

This second plate face 50 is connected at second side plate, 32 tops of this U-shaped main body 30, its plate face is vertically and with the first plate face 40 to be faced mutually, it is bent to form preceding 51, the back segment 53 of jump, leading portion 51 is positioned at the outside than back segment 53, be provided with the stage casing 52 that is oblique from outside to inside between leading portion 51 and the back segment 53, its only leading portion link to each other with second side plate 32, in, back segment then do not link to each other with second side plate 32, so this second plate face 50 forms an elastic arm, has good side direction springing effect.

The leading portion 41 of this first plate face and the leading portion 51 of the second plate face are first spacing 61, the back segment 43 of the first plate face and the leading portion 53 of the second plate face are second spacing 62, this second spacing 62 is little than first spacing 61, the stage casing 42 of the first plate face and the stage casing 52 of the second plate face are the 3rd spacing 63, the three spacings 63 and gradually are contracted to second spacing 62 by first spacing 61.

This brace 55 is punctured by the bottom surface 33 of this U-shaped main body 30 and second side plate 32 and stamps out and extend downwards, these brace 55 upper ends are connected in first side plate, 31 lower ends, the bottom surface 33 of this U-shaped main body 30 punctures and stamps out one and extend downwards and push against sheet 56 in addition, and this pushes against sheet 56 and is connected in these first side plate, 31 lower ends and is positioned at this brace 55 outsides.Please cooperate and consult Fig. 7, when this terminal 3 is assembled in terminal groove 71, this brace 55 and push against sheet 56 and extend tin ball groove 72, this pushes against sheet 56 and pushes against in this abutment face 73, this tin ball groove 72 can be put into a tin ball 58, and these brace 56 bent this tin ball 58 1 sides that are snapped in are used in conjunction with the tin ball.

By above structure, when terminal 3 is assembled in terminal groove 61 on the plastics pedestal 60, can fix by the 30 elasticity packings of U-shaped main body, and push against sheet 56 by this and push against in this abutment face 73, and the good location effect can be arranged, this sees also Fig. 4, the pin 65 of CPU is gone into by 61 0 intercalations of first spacing earlier, see also Fig. 5, CPU again when driving its pin 65 slip into back segment 53 elasticity that second spacing 62 is the second plate face 50 and clamp, the pin 65 of CPU is also against the back segment 43 of the first plate face 40 simultaneously.

See also Fig. 6, it is the stereogram of terminal 3 together with strip 67, structure of the present utility model is very simplified, each terminal is only bent by the length of material of a U-shaped plate and is formed, and brace 55 punctures from the bottom surface 33 of U-shaped main body 30 and second side plate 32 and stamps out, so make to go up be very easy to and save material, and terminal 3 can be connected in strip 67 according to the spacing arrangement of terminal groove 71, thus on assembling once the row of putting in order be assembled into the terminal groove 61 of plastics pedestal.

The utlity model has following advantage by above explanation:

1. the second plate face 50 forms an elastic arm, has good side direction springing effect, so when U-shaped main body 30 extended heights hour, still has excellent contact elasticity, meets the day by day compact demand of electronic product.

2. the front and

rear sections

41,43 of this first plate face all links to each other with first side plate, 31 tops, makes the first plate face 40 and first side plate, 31 integral body have bigger intensity, so is pressed into when the terminal groove 71 that is assembled in the plastics pedestal is easy to the application of force.

3. structure is simplified, and is easy to make and save material.

4. make to go up and can be connected in strip 67 according to the spacing arrangement of terminal groove 71, thus on assembling once the row of putting in order be assembled into the terminal groove 71 of plastics pedestal.

5.CPU the plate surface elastic of pin 65 and first and

second plate face

40,50 clamp, so the effect of electrical connection is splendid, and the plate face is comparatively smooth, the Gold plated Layer of pin that can scratch CPU.

See also Fig. 8 and 9, show the utility model second embodiment, it is roughly identical with first embodiment, be provided with a U-shaped main body 30 equally, one first plate face 40, one second plate face 50, first spacing 61, second spacing 62, the 3rd spacing 63 and a pin 55, its difference only be this second plate face 50 before, back segment forms jump, and this first plate face 40 before, the all same plane of back segment, do not have jump, one side of this first side plate 32 is formed with a plate 35, so when terminal 3 was assembled in terminal groove, four sides of U-shaped main body 30 all can push against the location with terminal groove.

See also Figure 10 and 11, it shows the utility model the 3rd embodiment, it is roughly identical with second embodiment, its main difference only is that the stage casing 42 of this first plate face 40 and back segment 43 are punctured towards the inboard by the plate of first side plate 31 and stamps out, and makes the leading portion 41 of the first plate face 40 be connected in the middle of the plate face of first side plate 41 and the leading portion 41 and the back segment 43 of the first plate face form a jump.

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 utility model, and be not with the utility model narrow sense be limited to this embodiment, in the situation that does not exceed spirit of the present utility model and following claim, can make many variations and implement.

The primary clustering symbol description

U-shaped main body 30 first side plates 31 first side plates 32 bottom surfaces 33

Transmission district 34 plates, 35 first plate faces, 40 leading portions 41

Stage casing 42 back segments, 43 second plate faces, 50 leading portions 51

Stage casing 52 back segments, 53 braces 55 push against sheet 56

Tin ball 58 first spacings 61 second spacings 62 the 3rd spacing 63

Pin 65 strips 67 plastic base bodies 70 terminal grooves 71

Tin ball groove 72 abutment faces 73

Claims

1. the terminal structure of electrical connector of one kind zero insertion force, it is formed with by the bending of plate face with metal sheet:

The U-shaped main body, it is provided with and is a spacing and first side plate of facing mutually and second side plate;

The first plate face, it is connected at first side plate of this U-shaped main body, and its plate face is vertical; And

The second plate face, it is connected at second side plate top of this U-shaped main body, and its plate face is vertically and its back segment does not link to each other with second side plate, and the leading portion of this first plate face and the second plate face is first spacing, and both back segments are second spacing, and this second spacing is little than first spacing.

2. the terminal structure of electrical connector of zero insertion force as claimed in claim 1 is characterized in that first and second side plate of this U-shaped main body is provided with the dead zone.

3. the terminal structure of electrical connector of zero insertion force as claimed in claim 1 is characterized in that this U-shaped main body bottom surface and second side plate puncture and stamp out a downward longitudinal extension brace, and this brace upper end is connected in the first side plate lower end.

4. the terminal structure of electrical connector of zero insertion force as claimed in claim 1 is characterized in that this first relative plate face, the stage casing of the second plate face are the 3rd spacing, and the 3rd spacing gradually is contracted to second spacing by first spacing.

5. the terminal structure of electrical connector of zero insertion force as claimed in claim 3 is characterized in that, this brace tin ball that can be connected, and form the contact of the spherical formula of tin.

6. the terminal structure of electrical connector of zero insertion force as claimed in claim 1 is characterized in that, the front and rear sections of this first plate face all links to each other with first side plate top, makes the first plate face and the first side plate integral body have bigger intensity.

7. the terminal structure of electrical connector of zero insertion force as claimed in claim 1, it is characterized in that, this first and second plate face is bent to form the front and rear sections of jump, and the leading portion of this first and second plate face is positioned at the outside than back segment, and it is oblique that the stage casing of first and second plate face then is from outside to inside.

8. the terminal structure of electrical connector of zero insertion force as claimed in claim 1, it is characterized in that, the back segment of this first plate face is punctured towards the inboard by the plate of first side plate and stamps out, and makes the leading portion of the first plate face be connected in the middle of the plate face of first side plate and the leading portion and the back segment of the first plate face form a jump.