CN201054411Y

CN201054411Y - Terminal structure of electric connector

Info

Publication number: CN201054411Y
Application number: CNU2007200022044U
Authority: CN
Inventors: 蔡周旋
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-01-15
Filing date: 2007-01-15
Publication date: 2008-04-30
Anticipated expiration: 2017-01-15

Abstract

The utility model discloses an electric connector which is assembled inside a terminal groove of a plastic seat. The utility model is discharged through the plane of a metal board which is provided with a plane and a section plane. The utility model comprises a fixing part where the plane is longitudinal and is fixed inside the terminal groove of the plastic seat, and an elastic arm which forms a bent moment arm extending along the direction of the section plane. The elastic arm is connected with the fixing part and is reversely folded and extended along the direction of the section plane. A connector is arranged near the tail end of the elastic arm. When the connector is stressed, the elastic arm springs along the direction of the section plane of the metal board. With the structure, the utility model has the advantages that the elastic arm of the terminal has relatively good contact elasticity and is easy for production; and the terminal occupies a relatively small space of the terminal groove when in assembling.

Description

The connector terminals structure

Technical field

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

Background technology

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

Seeing also Fig. 1 and Fig. 2, is a kind of electric connector of connection chip, and it is provided with: a pedestal 10, and arrange on it and be provided with a plurality of terminal grooves 11; And a plurality of terminals 20, it is the terminal groove 11 that is arranged at this pedestal, it is provided with up and down elastic arm 21, a fixed part 22, and a connecting piece 23 of springing, this fixed part 21 is to fix with terminal groove 11 packings, and its lower end reflexed becomes second plate 24 that extends upward, this elastic arm 21 is second plate 24 that is connected in fixed part 22, its plate towards on be bent to behind one side 12 of terminal groove 11 again that bending extension exceeds another side 13, it is provided with the contact 25 of a protrusion near end, and this brace 23 is to stretch out pedestal 10 belows and in conjunction with a tin ball 28.

When chip places on the pedestal 10, the contact 25 of each contact system this each terminal 20 of contact of chip, each terminal 20 pushes against the contact of this chip and reaches the electrical connection effect by the elasticity of elastic arm 21.

Existingly be configured with following shortcoming: promptly, 1. the elastic arm 20 of terminal is to utilize the bending of plate face to reach the elasticity of springing up and down, so terminal groove 11 need have the space of foot length degree as elastic arm 21 bendings, 2. the plate face of this elastic arm 21 is difficult for accurate controlling dimension in the punching press bending, and the cost of punching press improves relatively.

Summary of the invention

Main purpose of the present utility model is to provide a kind of connector terminals structure, be connected in fixed part and reflexed is section direction bending extension by the elastic arm of terminal, can reach terminal and be easy to make, when assembling, take less, and the good elastic effect in the space of terminal groove.

Secondary objective of the present utility model is to provide a kind of connector terminals structure, be provided with a main elastic arm and a secondary elastic arm by elastic arm, this pair elastic arm links to each other with fixed part and plate face coplanar, this main elastic arm reflexed is section direction bending extension, reaching increases the elasticity arm of force, has the effect of preferable elasticity.

For reaching above-mentioned purpose, it is the terminal groove that is assembled in a plastics pedestal that the utility model connector terminals is constructed it, it is to be formed with plate face and section with the plate face blanking of a metal sheet, has been integrally formed: a fixed part, its plate face are vertically and are fixed in the terminal groove of plastics pedestal; An and elastic arm, its tie-plate face blanking forms the arm of force that a curved shape is the extension of section direction, it is connected in fixed part and reflexed is section direction bending extension, and it is provided with a contact near end, and this elastic arm is the section direction springing of metal sheet when this contact of the application of force.

By above structure, the contact resilient of elastic arm that can reach terminal is preferable, be easy to make, and terminal to take the space of terminal groove when assembling less.

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, wherein:

Description of drawings

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Figure 19 is the stereogram of the utility model the 13 embodiment.

Figure 20 is the plane graph of the utility model the 13 embodiment.

Figure 21 is the plane graph of the utility model the 14 embodiment.

Figure 22 is the plane graph of the utility model the 15 embodiment.

Figure 23 is the plane graph of the utility model the 16 embodiment.

Figure 24 is the plane graph of the utility model the 17 embodiment.

Figure 25 is the stereogram of the utility model the 18 embodiment.

Figure 26 is the stereogram of the utility model the 19 embodiment.

Figure 27 is the stereogram of the utility model the 20 embodiment.

Figure 28 is the stereogram of the utility model the 21 embodiment.

Embodiment

See also Fig. 3 and Fig. 4, comprise according to the electric connector of the utility model first embodiment: a plastics pedestal 30 and a plurality of terminal 40, wherein:

This plastics pedestal 30 is provided with the spaced terminal groove 31 of a plurality of rows.

Please cooperate and consult Fig. 5, these a plurality of terminals 40 are to form to be linked to each other by a strip 53 with the plate face blanking integrated punching of a metal sheet 50 to form continuously arranged terminal, this each terminal 40 has plate face 47 and section 49, but a terminal 40 was a distance between the abutting end pilot trench 31 more than should wholely arranging continuously, from top to bottom whole row is assembled in this terminal groove 31, this each terminal 40 comprises: a fixed part 41, it is the terminal groove 31 that is vertically fixed on plastics pedestal 30, its plate face broad is used with the terminal groove 31 of plastics pedestal 30 fixing, it is provided with first side 410 and second side 411, and its upper end 43 is connected with strip 53; One elastic arm 45 is to form the arm of force that a curved shape is section 49 direction extensions with plate face cutting mode, its be connected in the middle of fixed part 41 lower ends 42 and reflexed upwards be section 49 direction bending extensions, its earlier to first side, 410 bending extensions of fixed part 41 again to second side 411 of fixed part 41, make and exceed fixed part 41 upper ends 43 and second side 411, it is provided with the contact 46 of an above-below direction contact near end, and this contact 46 is a section; And two braces 48, it is to be connected in both sides, fixed part 41 lower end, uses being connected and fixed a tin ball 55.

By above structure, because the elastic arm 45 of this terminal 40 is to extend upward and exceed the terminal groove 31 of fixed part one side to the next door from fixed part 41 lower end reflexeds, so elastic arm 45 can have the arm of force of length very and splendid elasticity can be arranged; As shown in Figure 6, when chip 60 is put into and is contacted with terminal 40, elastic arm 45 elasticity of this terminal receipts that contract, but the contact 61 of its contact 46 Elastic Contact chips 60, the elastic arm 45 of this terminal is to go up by having a down dip to extend, so its terminal 41 that can not touch the next door causes short circuit; Moreover because the plate face of elastic arm 45 becomes vertically past fixed part 41 1 side directions to tilt to extend upward, only use the width of terminal groove, so the length of terminal groove 41 can shorten, so more help the configuration in space, and can design more terminal groove, the elastic arm 45 tie-plate face blankings of terminal form but not are bent to form in addition, so be easy to controlling dimension on making, make easily.

By above explanation, the utility model can have the following advantages:

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 fixed part 41 lower end reflexeds, so elastic arm 45 can have splendid 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 (section direction), the length that only uses the width event terminal groove 41 of terminal groove can shorten, so more help the configuration in space, and can design more terminal groove, and terminal be easy to make.

3. the elastic arm 45 of terminal 40 is blanking formation but not is bent to form, so be easy to controlling dimension on making, makes easily.

See also Fig. 7, show second embodiment of the present utility model, it is roughly identical with first embodiment, its difference is that the elastic arm 45 of this terminal 40 is upwards to exceed fixed part 41 upper ends 43 and second side 411 to second side, 411 bending extensions again by fixed part 41 first sides 410 lower end reflexeds, connects a connecting piece 48 in the middle of fixed part 41 lower ends downwards.

See also Fig. 8, show the 3rd embodiment of the present utility model, it is roughly identical with first embodiment, its difference is that the elastic arm 45 of this terminal 40 is upwards slightly to bend big curved arc more left to right bended arc earlier by second side, the 411 lower end reflexeds of fixed part 41, exceed upper end 43 and second side 411 at last, connect a connecting piece 48 in the middle of fixed part 41 lower ends downwards.

See also Fig. 9, show the 4th embodiment of the present utility model, it is roughly identical with second embodiment, and its difference is that this brace 48 is connected in second side, 411 lower ends of bonding part 41.

See also Figure 10, show the 5th embodiment of the present utility model, it is roughly identical with the 3rd embodiment, and its difference is that this brace 48 is connected in fixed part 41 first sides 410 lower ends.

See also Figure 11, show the 6th embodiment of the present utility model, it is roughly identical with first embodiment, its difference is that the elastic arm 45 of this terminal 40 is by second side, the 411 lower end reflexeds of fixed part 41 upwards and slightly be the curved arc shape, its earlier to first side, 410 bending extensions of fixed part again replication to fixed part second side 411 bending extensions, exceed end 43 and second side 411 on the fixed part at last again, first side, 410 lower ends of fixed part 41 connect a connecting piece 48.

See also Figure 12, show the 7th embodiment of the present utility model, it is roughly identical with the 6th embodiment, and its difference is that elastic arm 45 hypomeres of this terminal 40 are tied to form oblique line, connects a connecting piece 48 in the middle of fixed part 41 lower ends.

See also Figure 13, show the 8th embodiment of the present utility model, it is roughly identical with first embodiment, its difference is that the elastic arm 45 of this terminal 40 is that second side, 411 lower end reflexeds by fixed part 41 extend upward a longitudinal length, then form a curved arc more left, exceed end 43 and second side 411 on the fixed part at last again, connect a connecting piece 48 in the middle of fixed part 41 lower ends.

See also Figure 14, show the 9th embodiment of the present utility model, it is roughly identical with the 6th embodiment, and its difference is that the elastic arm 45 of this terminal 40 extends upward second side 411 that does not exceed fixed part 41.

See also Figure 15 and Figure 16, show the tenth embodiment of the present utility model, it is roughly identical with first embodiment, and its difference is that contact 46 positions of the elastic arm 45 of this terminal 40 are the folding bending places of two plate faces, make 46 one-tenth arc surfaces of this contact but not section.

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

See also Figure 18, show the 12 embodiment of the present utility model, it is roughly identical with first embodiment, and its difference is that the contact 46 of the elastic arm 45 of this terminal 40 is that material is taken out and squeezed and form thickness of slab and dwindle the flange that is level.

See also Figure 19 and Figure 20, show the 13 embodiment of the present utility model, it is roughly identical with the 6th embodiment, wherein difference is that the elastic arm 45 of this terminal 40 comprises a main elastic arm 412 and a secondary elastic arm 413, this pair elastic arm 413 links to each other and plate face coplanar with second side, 411 lower ends of this fixed part 41, it is downwards also slightly to 410 bendings of first side, these main elastic arm 412 reflexeds extend upward and make its plate face become to fold with the plate face of fixed part 41, its upwards earlier to first side, 410 bending extensions of fixed part again replication to second side, 411 bending extensions of fixed part and exceed end 43 and second side 411 on the fixed part, make behind these main elastic arm 412 reflexeds and the slightly c-shaped shape of secondary elastic arm 413, main elastic arm 412 is provided with the contact 46 of springing about in the of near end.

Present embodiment has additional secondary elastic arm 413 in the coplanar of fixed part 41 by elastic arm 45, can make the entire length of elastic arm extend, increase the springing effect, when this contact 46 is subjected to downward force, this pair elastic arm 413 can be to first side, 410 springing of fixed part, main elastic arm 412 is to 411 springing of second side, and so the elastic effect of integral body is excellent.

See also Figure 21, show the 14 embodiment of the present utility model, it is roughly identical with the 13 embodiment, and wherein difference is that these pair elastic arm 413 directly downward extensions do not bend towards first side 410 of fixed part.

See also Figure 22, show the 15 embodiment of the present utility model, it is roughly identical with the 14 embodiment, wherein difference is to extend upward a longitudinal length behind these main elastic arm 412 reflexeds, then form a bending extension to first side 410 again, at last again to second side, 411 bending extensions and exceed end 43 and second side 411 on the fixed part.

See also Figure 23, show the 16 embodiment of the present utility model, it is roughly identical with the 15 embodiment, and the lower end linked to each other and plate face coplanar between wherein difference was among this pair elastic arm 413 and this fixed part 41.

See also Figure 24, show the 17 embodiment of the present utility model, it is roughly identical with the 15 embodiment, wherein difference is that the secondary elastic arm 413 of this elastic arm 45 is first side 410 and the extension downwards that is connected near fixed part 41, this main elastic arm 412 is first side 410 that reflexed upwards relies on fixed part earlier, again to second side, 411 bending extensions, and exceed end 43 and second side 411 on the fixed part, main elastic arm 412 is provided with the contact 46 of springing about in the of near end; By this because the secondary elastic arm 413 and first side 411 still have spacing, so when this contact 46 was subjected to downward force, this pair elastic arm still can be to first side, 410 springing of fixed part by this spacing.

See also Figure 25, show the 18 embodiment of the present utility model, it is the terminal of another kind of type, this terminal has the characteristics as first embodiment equally, this each terminal 40 has plate face 47 and section 49, this each terminal 40 comprises: a fixed part 41, and its plate face is the terminal groove that is vertically fixed on the plastics pedestal, and it is provided with a front end 414 and a rear end 415; One elastic arm 45 is to form the arm of force that a curved shape is the extension of section direction with plate face cutting mode, its be connected in hold before the fixed part 41 414 and reflexed upwards be section 49 direction bending extensions, it holds earlier 415 to extend to be bent upwards again and hold 414 extensions before turning to fixed part 41 to fixed part 41 after, make and hold 414 before exceeding fixed part 41, it is provided with a protruding downward contact 46 near end, and this contact 46 is a section; And a connecting piece 48, it is to be connected in fixed part 41 rear ends, it is horizontal-extending.

See also Figure 26, show the 19 embodiment of the present utility model, it is roughly identical with the 17 embodiment, wherein difference is that the elastic arm 45 of this terminal 40 comprises a main elastic arm 412 and a secondary elastic arm 413, this pair elastic arm 413 holds 414 to link to each other and plate face coplanar before with this fixed part 41, it extends forward, and these main elastic arm 412 reflexeds extend makes its plate face become to fold with the plate face of fixed part 41.

See also Figure 27, show the 20 embodiment of the present utility model, it is roughly identical with the 17 embodiment, wherein difference is that 41 one-tenth of the fixed parts of this terminal 40 are L shaped, elastic arm 45 be with fixed part 41 before hold 414 tops to link to each other also reflexed is section direction bending extension, it extends earlier downwards bending backward again and extends upward, and it is provided with the contact 46 of a side direction protrusion near end, and this contact 46 is a section.

See also Figure 28, show the 21 embodiment of the present utility model, it is roughly identical with the 19 embodiment, wherein difference is that the elastic arm 45 of this terminal 40 comprises a main elastic arm 412 and a secondary elastic arm 413, this pair elastic arm 413 holds 414 tops to link to each other and plate face coplanar before with this fixed part 41, it extends upward, and these main elastic arm 412 reflexeds extend makes its plate face become to fold with the plate face of fixed part 41.

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.

[primary clustering symbol description]

Plastic base body 30 terminal grooves 31 metal sheets 50 strips 53

42 upper ends 43 in the middle of terminal 40 fixed parts 41 lower ends

Elastic arm 45 contacts 46 plate faces 47 sections 49

Brace 48 first sides 410 second sides 411 main elastic arms 412

Secondary elastic arm 413 front ends 414 rear ends 415 tin balls 55

Claims

1. a connector terminals structure is characterized in that it is assembled in the terminal groove of a plastics pedestal, and it is to be formed with plate face and section with the plate face blanking of a metal sheet, has been integrally formed:

One fixed part, its plate face are vertically and are fixed in the terminal groove of plastics pedestal; And

One elastic arm, its tie-plate face blanking forms the arm of force that a curved shape is the extension of section direction, it is connected in fixed part and reflexed is section direction bending extension, and it is provided with a contact near end, and this elastic arm is the section direction springing of metal sheet when this contact of the application of force.

2. connector terminals structure as claimed in claim 1, it is characterized in that, wherein this elastic arm is provided with a main elastic arm and a secondary elastic arm, this pair elastic arm links to each other with this fixed part and plate face coplanar, this main elastic arm reflexed extends makes its plate face become to fold with the plate face of fixed part, and main elastic arm is provided with this contact near end.

3. connector terminals structure as claimed in claim 1 is characterized in that wherein this fixed part lower end is provided with connecting portion.

4. connector terminals structure as claimed in claim 3 is characterized in that wherein this connecting portion is in conjunction with a tin ball.

5. connector terminals structure as claimed in claim 1 or 2, it is characterized in that, wherein this elastic arm system is connected in the fixed part lower end, and it also gradually is bent upwards to fixed part one side and extends beyond fixed part upper end and springing up and down, and it is provided with the contact of an above-below direction contact.

6. connector terminals structure as claimed in claim 5 is characterized in that wherein the contact of this elastic arm system exceeds fixed part one side.

7. connector terminals as claimed in claim 1 structure is characterized in that, but wherein take the shape of the letter U shape and side direction springing of this elastic arm, and it is provided with the contact of a side direction contact.

8. connector terminals as claimed in claim 2 structure is characterized in that, but wherein take the shape of the letter U shape and side direction springing of the main elastic arm of this elastic arm, and it is provided with the contact of a side direction contact.

9. connector terminals structure as claimed in claim 1 is characterized in that wherein this elastic arm is ㄈ shape and springing up and down, and it is provided with the contact of an above-below direction contact.

10. connector terminals structure as claimed in claim 2 is characterized in that wherein the main elastic arm of this elastic arm is ㄈ shape and springing up and down, and it is provided with the contact of an above-below direction contact.

11. connector terminals structure as claimed in claim 3 is characterized in that wherein this connecting portion is a horizontal pin.

12. connector terminals structure as claimed in claim 1 is characterized in that wherein the contact of this elastic arm is a section.

13. connector terminals structure as claimed in claim 1 is characterized in that, wherein the connecting point position of this elastic arm is the folding bending places of two plate faces, makes this contact become arc surface but not section.

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

15. connector terminals as claimed in claim 1 structure is characterized in that, wherein the contact of this elastic arm is that material is taken out and squeezed and form thickness of slab and dwindle the flange that is level.

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

17. connector terminals as claimed in claim 5 structure is characterized in that wherein fixed part is provided with first side and second side, this elastic arm system is connected in first side of fixed part, and its reflexed is upwards and to the second lateral bending Qu Yanshen of fixed part.

18. connector terminals structure as claimed in claim 5, it is characterized in that, wherein fixed part is provided with first side and second side, the secondary elastic arm of this elastic arm is to be connected near first side of fixed part and extension downwards, this main elastic arm is first side that reflexed upwards relies on fixed part earlier, again to the second lateral bending Qu Yanshen.

19. connector terminals structure as claimed in claim 5, it is characterized in that, wherein fixed part is provided with first side and second side, this elastic arm system is connected in second side of fixed part, it is that reflexed upwards is the curved arc shape, its earlier to the first lateral bending Qu Yanshen of fixed part again replication to the fixed part second lateral bending Qu Yanshen.

20. connector terminals structure as claimed in claim 5, it is characterized in that, wherein fixed part is provided with first side and second side, the secondary elastic arm of this elastic arm is second side and downward the omiting to the first lateral bending song that is connected in fixed part, this main elastic arm reflexed upwards and earlier to the first lateral bending Qu Yanshen of fixed part again replication make behind this main elastic arm reflexed and the slightly c-shaped shape of secondary elastic arm to the fixed part second lateral bending Qu Yanshen.

21. connector terminals structure as claimed in claim 5, it is characterized in that, wherein end can connect the arrangement that a strip forms continuous terminal on this fixed part, whole row's continuous terminal is but that distance is spaced between the abutting end pilot trench 31, uses the terminal groove that from top to bottom whole row is assembled in this plastics pedestal.