CN201029137Y

CN201029137Y - Terminal structure of electric connector

Info

Publication number: CN201029137Y
Application number: CNU2007200047111U
Authority: CN
Inventors: 蔡周旋
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-06
Filing date: 2007-02-06
Publication date: 2008-02-27
Anticipated expiration: 2017-02-06

Abstract

The utility model provides an electric connector's terminal structure, it is assembled in the terminal groove of plastics pedestal, and it utilizes the integrative punching press of sheet metal to form, and this sheet metal has face and thick board, and it includes: the plate surface of the fixing part is longitudinally fixed in the terminal groove of the plastic seat body, and the plate surface is wider so as to be fixed with the terminal groove of the plastic seat body; the elastic arm is connected to the lower end of the fixing part and is folded upwards, the plate surface of the elastic arm is narrower than that of the fixing part, a longitudinal plate surface is formed in a plate surface blanking mode, the elastic arm is gradually bent upwards to one side of the fixing part and extends beyond the upper end of the fixing part, and the upper end of the elastic arm is provided with a contact point which is contacted in the vertical direction; by the structure, the advantages of good contact elasticity of the elastic arm of the terminal, easy manufacture and small space occupied by the terminal slot when the terminal is assembled can be achieved.

Description

The connector terminals structure

Technical field

The utility model relates to a kind of electric connector, particularly a kind of connector terminals structure that contacts springing up and down.

Background technology

The bottom surface of chip (for example CPU) is formed with a plurality of spaced contacts, and the downward pressure of the electric connector utilization that connects this chip is fixed on chip on the pedestal, thus the terminal Elastic Contact in the contact that makes chip and the terminal groove that is arranged in pedestal and keep being electrically connected.

Fig. 1 is a kind of electric connector that is connected chip with Fig. 2, and it is provided with: pedestal 10 is disposed with a plurality of terminal grooves 11 on it; With a plurality of terminals 20, be arranged in the terminal groove 11 of this pedestal, terminal 20 is provided with elastic arm 21, fixed part 22 and the brace 23 of springing up and down, fixed part 21 is fixed with terminal groove 11 packings, and its lower end reflexed becomes upwardly extending second plate 24, elastic arm 21 is connected to second plate 24 of fixed part 22, its plate towards on bend to behind one side 12 of terminal groove 11 again that bending extension exceeds another side 13, be provided with the contact 25 of protrusion near the end, brace 23 stretches out the below of pedestal 10 and in conjunction with tin ball 28.

When chip was arranged on the pedestal 10, each contact of chip contacted the contact 25 of each terminal 20, thus the elasticity of each terminal 20 by elastic arm 21 tightly against the contact of chip, thereby realize being electrically connected.

Known be configured with following shortcoming: promptly, 1. the elastic arm 20 of terminal utilizes the crooked elasticity of springing up and down that obtains of plate face, therefore terminal groove 11 need have the space of enough length as elastic arm 21 bendings, 2. the plate face of elastic arm 21 is difficult for accurately controlling dimension when punching press bends, so the cost of punching press improves relatively.

The utility model content

Main purpose of the present utility model is to provide a kind of connector terminals structure, elastic arm by terminal upwards and to fixed part plate face one side is extended by fixed part lower end reflexed, can realize that terminal is easy to make, take the effect of the less and better elastic in the space of terminal groove when assembling.

For achieving the above object, connector terminals structure of the present utility model is assembled in the terminal groove of plastics pedestal, it utilizes the metal sheet integrated punching to form, this metal sheet has plate face and thickness of slab, it comprises: fixed part, the plate face of fixed part is in the terminal groove that is vertically fixed in the plastics pedestal, thereby the plate face broad of fixed part is fixed with the terminal groove of plastics pedestal; And elastic arm, elastic arm is connected the fixed part lower end and reflexed makes progress, and its plate face is narrower than fixed part, and elastic arm forms vertical plate face with plate face cutting mode, elastic arm is to fixed part one side and be bent upwards the upper end that extends beyond fixed part gradually, and its upper end is provided with the contact of above-below direction contact.

By above structure, can realize that the excellent contact elasticity of the elastic arm of terminal, easily manufactured and terminal take the less purpose in space of terminal groove when assembling.

Above-mentioned and other purpose, advantage and feature of the present utility model are by following DETAILED DESCRIPTION OF THE PREFERRED and may be obvious that with reference to the accompanying drawings.

Description of drawings

Fig. 1 is the three-dimensional exploded view of known electric connector.

Fig. 2 is the section constitutional diagram of known electric connector.

Fig. 3 is the section constitutional diagram of the connector of preferred embodiment of the present utility model.

Fig. 4 is the stereogram of first embodiment of the present utility model.

Fig. 5 is the expansion plane graph of first embodiment of the present utility model.

Fig. 6 is the user mode schematic diagram of first embodiment of the present utility model.

Fig. 7 is the plane graph of second embodiment of the present utility model.

Fig. 8 is the plane graph of the 3rd embodiment of the present utility model.

Fig. 9 is the plane graph of the 4th embodiment of the present utility model.

Figure 10 is the plane graph of the 5th embodiment of the present utility model.

Figure 11 is the plane graph of the 6th embodiment of the present utility model.

Figure 12 is the plane graph of the 7th embodiment of the present utility model.

Figure 13 is the plane graph of the 8th embodiment of the present utility model.

Figure 14 is the plane graph of the 9th embodiment of the present utility model.

Floor map when Figure 15 is the manufacturing of the tenth embodiment of the present utility model.

Figure 16 is the end view of the tenth embodiment of the present utility model.

Figure 17 is the end view of the 11 embodiment of the present utility model.

Figure 18 is the end view of the 12 embodiment of the present utility model.

Embodiment

With reference to figure 3 and Fig. 4, the electric connector of present embodiment comprises: plastics pedestal 30 and a plurality of terminal 40, wherein:

Plastics pedestal 30 is provided with the spaced terminal groove 31 of many rows.

With reference to figure 5, a plurality of terminals 40 utilize metal sheet 50 integrated punchings to form the continuously arranged terminal that is linked to each other by strip 53, this metal sheet 50 has plate face 51 and thickness of slab 52, the continuous a plurality of terminals 40 of whole row are from top to bottom assembled, each terminal 40 comprises: fixed part 41, be in the terminal groove 31 that is vertically fixed on plastics pedestal 30, thereby the terminal groove of the plate face broad of fixed part 41 and plastics pedestal 30 31 is fixing, its upper end 43 is connected with strip 53; Elastic arm 45, the lower end middle 42 and the reflexed that are connected in fixed part 41 make progress, the plate face of elastic arm 45 is narrower and coincide than the plate face of fixed part 41, and the mode by the blanking of plate face forms vertical plate face, and by the centre of fixed part 41 upwards gradually to a side again to the opposite side bending extension, and exceed the upper end and a side of fixed part 41, and the upper end of elastic arm 45 is provided with the contact 46 of above-below direction contact, and contact 46 has the thickness of slab of sheet metal; And two braces 48, be connected to the both sides, lower end of fixed part 41, be connected and fixed tin ball 55 by brace 48.

By above-mentioned structure, because the elastic arm 45 of terminal 40 extends upward and exceed the terminal groove 31 of fixed part one side to the next door from the lower end reflexed of fixed part 41, so elastic arm 45 can have the very big arm of force and therefore has elasticity preferably.As shown in Figure 6, when chip 60 is put into and is contacted with terminal 40, elastic arm 45 elastic shrinkage of terminal, but the contact 61 of contact 46 Elastic Contact chips 60, but the elastic arm of terminal 60 downward-sloping extending upward, the terminal 41 that therefore can not touch the next door causes short circuit.Because the plate face of elastic arm 45 becomes vertically toward fixed part 41 1 side directions to tilt and extend upward, so the length of terminal groove 41 can shorten, and more helps the configuration in space, can design more terminal groove in addition.The elastic arm 45 of terminal is to form rather than be bent to form by blanking in addition, is easy to controlling dimension when therefore making, and makes easily.

By above-mentioned explanation, the utlity model has following advantage:

1. the elastic arm 45 of terminal 40 extends upward and exceeds the terminal groove 31 of fixed part one side to the next door from the lower end reflexed of fixed part 41, so elastic arm 45 has fabulous elasticity.

2. the plate face of the elastic arm 45 of terminal 40 becomes vertically to tilt to extend upward toward fixed part 41 1 side directions, so the length of terminal groove 41 can shorten, and so more helps the configuration in space, can design more terminal groove, and terminal is easy to make.

3. the elastic arm 45 of terminal 40 forms by blanking rather than by being bent to form, is easy to controlling dimension when therefore making, and makes easily.

Fig. 7 is second embodiment of the present utility model, and is roughly identical with first embodiment, and the elastic arm 45 that difference is terminal 40 upwards extends beyond to the right from left side, the lower end reflexed of fixed part 41 again, and the centre, lower end of fixed part 41 is connected with brace 48 downwards.

Fig. 8 is the 3rd embodiment of the present utility model, roughly identical with first embodiment, the elastic arm 45 that difference is terminal 40 by right side, the lower end reflexed of fixed part 41 upwards earlier slightly to right bended arc curved one big curved arc left again, exceed the fixed part right side at last, be connected with brace 48 in the middle of the lower end of fixed part 41 downwards.

Fig. 9 is the 4th embodiment of the present utility model, and is roughly identical with second embodiment, and difference is that brace 48 is connected the right side, lower end of fixed part 41.

Figure 10 is the 5th embodiment of the present utility model, and is roughly identical with the 3rd embodiment, and difference is that brace 48 is connected the left side, lower end of fixed part 41.

Figure 11 is the 6th embodiment of the present utility model, roughly identical with first embodiment, the elastic arm 45 that difference is terminal 40 upwards directly forms a big curved arc left by right side, the lower end reflexed of fixed part 41, exceed the fixed part right side at last again and stretch out, the left side, lower end of fixed part 41 is connected with brace 48.

Figure 12 is the 7th embodiment of the present utility model, and is roughly identical with the 6th embodiment, and difference is that the hypomere of the elastic arm 45 of terminal 40 becomes oblique line, is connected with brace 48 in the middle of the lower end of fixed part 41.

Figure 13 is the 8th embodiment of the present utility model, roughly identical with first embodiment, the elastic arm 45 that difference is terminal 40 extends upward a longitudinal length by right side, the lower end reflexed of fixed part 41, then form a curved arc more left, exceed the fixed part right side at last again, be connected with brace 48 in the middle of the lower end of fixed part 41.

Figure 14 is the 9th embodiment of the present utility model, and is roughly identical with the 6th embodiment, and difference is that the elastic arm 45 of terminal 40 extends upward and do not exceed the right side of fixed part 41.

Figure 15 and Figure 16 are the tenth embodiment of the present utility model, and be roughly identical with first embodiment, and difference is that the contact 46 of the elastic arm 45 of terminal 40 is folded to form the thickness of slab of 46 one-tenth arc surfaces of contact rather than cut-out by two plate faces.

Figure 17 is the 11 embodiment of the present utility model, and is roughly identical with first embodiment, and difference is that the contact 46 of the elastic arm 45 of terminal 40 is bent to form by the plate face.

Figure 18 is the 12 embodiment of the present utility model, and is roughly identical with first embodiment, and difference is that the contact 46 of the elastic arm 45 of terminal 40 squeezes the thickness of slab form and dwindles and be horizontal flanges for taking out by material.

The specific embodiment that is proposed in detailed description of preferred embodiments 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, under the situation that does not exceed essence of the present utility model and following claim, can make various variations.

[Reference numeral]

Plastic base body 30 terminal grooves 31

Terminal 40 metal sheets 50 strips 53 plate faces 51

42 upper ends 4 in the middle of thickness of slab 52 fixed parts 41 lower ends

Elastic arm 45 contacts 46 braces 48 tin balls 55

Claims

1. a connector terminals structure is assembled in the terminal groove of plastics pedestal, it is characterized in that, described terminal construction utilizes the metal sheet integrated punching to form, and described metal sheet has plate face and thickness of slab, and described terminal construction comprises:

Fixed part, the plate face of described fixed part is in the terminal groove that is vertically fixed in the plastics pedestal, thus the plate face broad of fixed part is fixed with the terminal groove of plastics pedestal; With

Elastic arm, the lower end and the reflexed that are connected to fixed part make progress, and the plate face of elastic arm is narrower than fixed part, and elastic arm utilizes plate face cutting mode to form vertical plate face, elastic arm is to fixed part one side and be bent upwards the upper end that extends beyond fixed part gradually, and the upper end is provided with the contact of above-below direction contact.

2. connector terminals structure as claimed in claim 1 is characterized in that, described terminal construction can link to each other by strip becomes continuously arranged terminal, and the upper end of fixed part is connected with strip.

3. connector terminals structure as claimed in claim 1 is characterized in that the plate face of elastic arm and the plate face of fixed part are superimposed.

4. connector terminals structure as claimed in claim 1 is characterized in that the lower end of fixed part is provided with brace.

5. connector terminals structure as claimed in claim 4 is characterized in that brace is in conjunction with the tin ball.

6. connector terminals structure as claimed in claim 1 is characterized in that the plate face of elastic arm is same plane.

7. connector terminals structure as claimed in claim 1 is characterized in that the contact of elastic arm exceeds fixed part one side.

8. connector terminals structure as claimed in claim 1 is characterized in that the contact of elastic arm is the thickness of slab of metal sheet.

9. connector terminals structure as claimed in claim 1 is characterized in that the connecting point position of elastic arm is that two plate faces are folded to form, and described contact becomes the thickness of slab of arc surface rather than cut-out.

10. connector terminals structure as claimed in claim 1 is characterized in that the contact of elastic arm is bent to form by the plate face.

11. connector terminals as claimed in claim 1 structure is characterized in that, the contact of elastic arm is that material is taken out and squeezed the thickness of slab that forms and dwindle and be horizontal flanges.