CN2648633Y

CN2648633Y - Terminal forming structure of electric connector

Info

Publication number: CN2648633Y
Application number: CN 03265861
Authority: CN
Inventors: 李坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-04
Filing date: 2003-06-04
Publication date: 2004-10-13
Anticipated expiration: 2013-06-04

Abstract

The utility model relates to a terminal forming structure of an electric connector. A connector rubber body is provided with an upper and a lower rows of opposite jacks which are inserted with a plurality of upper row terminals and a plurality of lower row terminals. The upper and the lower row terminals are directly punched and shaped to a Z shape at a feeding band and a discharging band, and the position near the connection point between the feeding band and the discharging band is bent into an angle at an inclined length. The position near the upper bending point of the Z shape is bent into an angle, and the position near the lower bending point of the Z shape is respectively bent leftwards or rightwards into a vertical small Z shape. The terminal is inserted in the pressing point of the connector rubber body, and the electric welding point of the terminal is provided with a tin hook. Thus, the terminal can easily swallow the tin and is welded on a circuit board. The upper and the lower row terminals are positioned on the same horizontal plane; the feeding band and the discharging band can be simultaneously inserted in the connector jacks.

Description

The connector terminals shaped structure

Technical field

The utility model is a kind of connector terminals shaped structure, particularly has the electric connector terminal that two rows are arranged relatively about a kind of, but this terminal shaped structure in the jack that is plugged on a connector colloid is made and assembled to quick shaping.

Background technology

By general notebook, palmtop computer and mobile phone, PDA(Personal Digital Assistant), digital camera, digital camera, game machine, Modern Electronic products such as computer peripheral equipment, mostly be provided with memory card in order to storage data, block as CF (Compact Flash), SD (Secured Digital) card, SM (Smart Media) card, pcmcia card or flash memory MS (Memory Stick) ... or the like, of a great variety, just can use but all need to use an electric connector to be connected, and Fig. 1 is the partial structurtes figure of this well-known electric connector with this Modern Electronic product.

This well-known electric connector structure is to establish on a connector colloid 100, two arrange relative jack 101 down, 102, and row's terminal 201 and several row's terminal 202 down of planting respectively on several, and be fixed on jack 101 with the overhead kick tooth 203 on this terminal, in 102, on being somebody's turn to do, under arrange terminal 201,202 need stretch out, and be bent into the zigzag 204 of different length, and about bending intersect and to stagger, make on this, under arrange terminal and can be positioned on the same level reference, receive with electrogas welding on the electric contact 301 of a circuit printing plate (PCB) 300, as shown in Figure 2, be the schematic diagram that this electric connector part sectioned view and terminal are connected in PCB.

The row's of going up terminal 201 of well-known this electric connector or following row's terminal 202 are that drawing is on the strip 200 of a long slab sheet respectively, and punching press is finished the terminal cutting on the strip 200 to be got off again, as shown in Figure 3.Again will the row's of going up terminal 201 and this time row terminal 202 be plugged on respectively in the jack 101,102 of this connector colloid 100, this upper and lower row's terminal 201,202 of can't once planting simultaneously, therefore quite trouble and inconvenience on the program of making and assembling, so speed of production reduces, manufacturing cost increases relatively, thereby reduced the competitiveness in market.

This well-known connector terminals, the structure that bends because of its zigzag makes that the distance 205 between this terminal and the terminal is quite big, in the process of terminal drawing, the distance 205 between its terminal and the terminal increases many waste materials, forms the increase of material cost.And the zigzag of this terminal bending all is the bending of gradient or radian, but there is no the suitable compacting point application of force terminal is plugged in this connector colloid 100, so often therefore and bending or the terminal that fractures formation are scrapped.

Therefore, be the generation of the distance 205 between shortening terminal and the terminal with the minimizing waste material, this well-known connector terminals improvement design becomes as shown in Figure 4, these improvement terminal 210 punching out become to increase the length that terminal 210 tops 211 are connected with strip 200, be bent into zigzag 212 with machine again, as shown in Figure 5, after yet this kind improvement terminal 210 cuts off with strip 200, when electrogas welding is received on the printed circuit board (PCB) 300, therefore can make the tangent plane 213 of its naked copper metal be not easy to eat tin, often cause this kind improvement terminal 210 not eat tin and form the loose contact of pad.And be to be bent into zigzag 212 because of this kind improvement terminal 210 again with machine, the elastoplasticity of its terminal metal can make that every terminal institute angle bending all can be slightly different, form rugged state, so make this improvement terminal 210 more be difficult for being welded on the printed circuit board (PCB) 300.

Contact feet 214 because of all electric connector terminals all is drawing again, make the left side of contact feet 214, right dual-side forms plane 215 because of punching press cuts, on, bottom then is an arc surface 216, and form an ellipticity, and the terminal 201 of well-known Fig. 3,202 because of arc surface 216 on a left side, right dual-side, 215 on plane becomes last, following, when the grafting memory card, well-known terminal 201,202 contact feet 214 can be with three electric intermediate plates 220 of plane 215 contact memory cards, therefore the plane out-of-flatness that may cut because of 214 punching presses of termination contact pin, and form the situation that touches these three electric intermediate plates, as Fig. 6.

Summary of the invention

From the above, well-known connector terminals has many shortcomings, and all need to be improved again in many places, so, this case designer is at defective that above-mentioned existing electric connector terminal had, concentrate on studies and propose a kind of connector terminals shaped structure, can reduce distance between terminal and the terminal to save waste material, and punching out goes out a vertical little zigzag again in the terminal bending place of the zigzag of this terminal, insert the compacting point of this connector colloid as this terminal, and establish one at the electric weld of this terminal and this printed circuit board (PCB) and eat Xi Gou, make this terminal can eat soldering easily and be connected on this printed circuit board (PCB), to solve the shortcoming of all well-known terminals.And the utility model is to provide following technical method to reach above-mentioned purpose.

Major technique feature of the present utility model is to be to provide a kind of connector terminals shaped structure, be to establish at a connector colloid, two arrange relative jack down, in order to this connector terminals of planting, its shaped structure comprises: the row's of going up terminal of going up several zigzags of strip drawing, following row's terminal of following several zigzags of strip drawing, upward the length in the zigzag stage casing of row's terminal slightly is longer than segment length in this time row terminal zigzag, and make on this, following strip is close mutually, on being somebody's turn to do, arranging terminal down is in the junction near this strip, with angle of a tilt length bending, and upward the tilt length of row's terminal slightly is shorter than this time row terminal, on being somebody's turn to do, arrange terminal bending place angle of bending downwards near this zigzag down, make on this, under arrange terminal downward vertically in this strip, on being somebody's turn to do, arranging terminal down is to bend a vertical little zigzag respectively to the left or to the right in the following bending place near this zigzag, make on this, arrange down terminal form same vertical reference plane on, under arrange terminal, so that be plugged on this connector colloid on, down in the two socket holes, on formed thereby, under arrange terminal all on same horizontal reference plane, reach, arrange terminal down and can be inserted in simultaneously the effect of this connector plug jack together.

Next technical characterictic of the present utility model is the connector terminals shaped structure that provides above-mentioned, wherein the length in the zigzag stage casing of this upper and lower row's terminal is to be on this row's terminal slightly to be longer than this time and to arrange terminal, make on this row's terminal and this time arrange terminal and form one high and one low drop distance, and bend a vertical little zigzag respectively to the left or to the right, make this upper and lower row's terminal form same vertical reference plane, be convenient to be assembled in together simultaneously the effect of this connector colloid jack to reach these upper and lower two row's terminals.

Another technical characterictic of the present utility model is the connector terminals shaped structure that provides above-mentioned, wherein the little zigzag of this of this upper and lower row's terminal vertically bends, be to can be used as the compacting point that this terminal is inserted this connector colloid jack, can be used as the final stop point that this terminal inserts this connector colloid jack again.

The utility model also has a technical characterictic to be the connector terminals shaped structure that provides above-mentioned, the electrogas welding pin that forms of this upper and lower row's terminal wherein, be to be provided with one in the terminal bottom surface to eat Xi Gou, and can before welding, eat tin earlier, be beneficial to this terminal and be welded on this printed circuit board (PCB).

Description of drawings

Fig. 1 is the partial structurtes figure of well-known electric connector.

Fig. 2 is the partial cutaway schematic that well-known electric connector terminal is connected in PCB.

Fig. 3 is the floor map that well-known electric connector terminal is connected in strip.

Fig. 4 is the floor map of well-known improvement terminal and strip.

Fig. 5 is the zigzag bending schematic side view of well-known improvement terminal.

Fig. 6 is the generalized section of well-known improvement contact feet.

Fig. 7 is the semi-finished product schematic perspective view of the utility model electric connector.

Fig. 8 is the schematic perspective view that the utility model terminal is connected with strip.

Fig. 9 to Figure 11 is the floor map of the utility model terminal forming process.

Figure 12 is the end view of the utility model electric connector partial perspective.

Figure 13 is the end view of the utility model electric connector part section.

Figure 14 is the finished product stereogram of the utility model electric connector.

Figure 15 is the electrogas welding pin partial enlarged drawing of the utility model terminal.

Figure 16 is the generalized section of the utility model termination contact pin.

Symbol description

1 electric connector

10,100 connector colloids

11, socket hole on 101

12,102 times socket holes

20 terminals

Strip on 21

22 times strips

23, arrange terminal on 201

24,202 times row's terminals

25,203 overhead kick teeth

26 are pressed into platform

27 little zigzags

28 little bendings

29 eat Xi Gou

30,214 contact feets

31,216 arc surfaces

200 strips

204,214 zigzags

205 terminal distance

210 improvement terminals

211 terminals top

212 tangent planes

215 planes

300 printed circuit board (PCB)s

301 electric contacts

Embodiment

In order to make the auditor can further understand the utility model as reaching technology, method and the effect that predetermined purpose is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, go deep into and concrete understanding when obtaining one thus, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.

At first seeing also shown in Figure 7ly, is semi-finished product schematic perspective view of the present utility model.Electric connector 1 of the present utility model is to include a connector colloid 10, on this connector colloid 10, establish several

relative jacks

11,12 of upper and lower two rows, in order to several the relative terminals 20 of upper and lower two rows of planting, and the utility model promptly is at the shaped structure design improved of this terminal 20, make the manufacturing and the assembling of this terminal 20 faster easier, and can solve many well-known shortcomings.Shaped structure with regard to electric connector terminal 20 of the present utility model is described as follows.

Seeing also shown in Figure 8ly, be the schematic perspective view that terminal of the present utility model is connected with strip, and Fig. 9 to Figure 11 is the floor map of the utility model terminal forming process.The utility model connector terminals 20 mainly includes one and goes up strip 21 and a following strip 22, should go up the row's of going up terminal 23 of several zigzag bendings of strip 21 drawings, and following row's terminal 24 of several zigzag bendings of this time strip 22 drawings, and on this, under arrange terminal 23, at least one overhead kick tooth 25 of drawing on a left side of 24 or the right side body, also approach the bending of little zigzag below locate one of drawing and be pressed into platform 26, this is pressed into platform 26 and can be used as on this, under

arrange terminal

23,24 insert the jack 11 of this connector colloid 10,12 compacting point.

And the zigzag stage casing length A of being somebody's turn to do the row's of going up terminal 23 slightly is longer than the zigzag stage casing length A of this time row terminal 24 ', and the bending of the zigzag of this upper and lower row's

terminal

23,24 can be oblique positive zigzag to the right, perhaps can be oblique zigzag left.Embodiment as Fig. 9 to Figure 11 is an oblique to the right positive zigzag bending.

Please consulting shown in Figure 12ly together, is the schematic side view of this electric connector and this upper and lower row's terminal partial perspective.This upper and lower row's terminal the 23, the 24th is at the junction B near this upper and

lower strip

21,22, with a tilt length C be tilted to the right the bending angle or be tilted to the left the bending angle (being illustrated as the bending that is tilted to the right), and the tilt length C that should go up row's terminal 23 slightly is shorter than the tilt length C ' that terminal 24 is arranged in this time, makes that bending place D is positioned at same horizontal reference planar I on this zigzag of this upper and lower row's terminal 23,24.Again this upper and lower row's

terminal

23,24 near this zigzag on bending place D angle E of bending downwards, make this upper and lower row's

terminal

23,24 downward vertically in this upper and

lower strip

21,22.

Because upward the zigzag stage casing length A of row's terminal 23 slightly is longer than the zigzag stage casing length A of this time row terminal 24 ', make this upper and lower row's

terminal

23,24 form a high drop apart from F and a low head apart from F ', and this one high and one low drop distance is comparable to the distance in the upper and

lower socket hole

11,12 of this connector colloid 10 just, so that upper and lower row's terminal can be plugged in the upper and

lower socket hole

11,12 of this connector colloid 10 simultaneously together.

Please consulting shown in Figure 13ly more together, is the schematic top plan view of this electric connector and this upper and lower row's terminal part section.This upper and lower row's terminal the 23, the 24th bends a vertical little zigzag 27 respectively left or to the right at the following bending place G near this zigzag, makes this upper and lower row's

terminal

23,24 form upper and lower two row's terminals of same vertical reference plane H.Should can bend a vertical little zigzag 27 left by the row's of going up terminal 23, and this time row terminal 24 can bend a vertical little zigzag 27 to the right.Certainly can be also that row's terminal 23 can bend a vertical little zigzag 27 to the right this on, and this time to arrange terminal 24 be to bend a vertical little zigzag 27 left.

Because the utility model is when making this connector 1 in a large number, must be earlier with on being somebody's turn to do, following

strip

21,22 is close mutually, should hold with the tool on the board again,

lower terminal

23,24 are pressed into the jack 11 of this connector colloid 10 simultaneously together, in 12, and this to be pressed into platform 26 promptly be to can be used as last, under arrange terminal 23,24 insert the jack 11 of this

connector colloid

10,12 compacting point, little bending 28 of another side below place's drawing that this is pressed into platform 26 can be used as on this, under arrange terminal 23,24 insert the jack 11 of this

connector colloid

10,12 final stop point.

Be connected at last and cut off simultaneously between the D of bending place on these upper and lower row's terminal 23,24 B of place and this zigzag being connected of this upper and lower row's

terminal

23,24 and this upper and lower strip at this upper and

lower strip

21,22, form the welding foot that this upper and lower row's terminal all is positioned at same level reference I, as Figure 14.These upper and lower row's

terminal

23,24 formed welding foots are but that electrogas welding is connected on the electric contact 301 of a printed circuit board (PCB) 300.

In addition, seeing also shown in Figure 15ly, is the electrogas welding pin partial enlarged drawing of the utility model terminal.Because the terminal 20 of electric connector 1 all is the naked copper metal material, and be not easy to eat soldering and be connected on this printed circuit board (PCB) 300, so the utility model is eaten tin ditch 29 at the place, bottom of this terminal 20 towards setting out one, and can eat middle this terminal 20 of place's cut-out of tin ditch 29 and being connected of strip at this, the utility model can be eaten at this in advance and eat tin in the tin ditch 29 in advance, to reduce the area J of naked copper metal, increase bonding area K, be welded on again on this printed circuit board (PCB) 300, can eat soldering with the electrogas welding pin of guaranteeing this terminal 20 and be connected on this printed circuit board (PCB) 300.

As shown in figure 16, be the generalized section of contact feet of the present utility model.The contact feet 30 at this place, upper and lower row's terminal below of the present utility model is can be in order to be plugged into a memory card, and be electrically connected this contact feet 30 mutually with three electric intermediate plates 220 of this memory card, for making this contact feet 30 of the present utility model better with contacting of these three electric intermediate plates 220, the utility model is with the face that cuts of this contact feet 30, strike out arc surface 31, what make this contact feet 30 all is that arc surface 31 is to contact three electric intermediate plates 220 of this memory card on every side.

So the utility model really can be borrowed above-mentioned disclosed technology, provides a kind of completely different in well-known design, may be able to improve whole use value, do not see publication or public use before its application again, met the requirement of utility model, file an application in accordance with the law at this.

Above-mentioned disclosed graphic, explanation, only be embodiment of the present utility model, allly be skillful in this skill person when can doing other all improvement, and these change the claim scope that still belongs to creation spirit of the present utility model and above-mentioned defined according to above-mentioned explanation.

Claims

1. a connector terminals shaped structure is characterized in that it is to be plugged on upper and lower two of a connector colloid to arrange in the relative jack, and its shaped structure comprises:

The row's of going up terminal of going up strip drawing zigzag, following row's terminal of a following strip drawing zigzag, and place, the top of this upper and lower row's terminal is a welding foot, and to locate be a contact feet in the below;

This upper and lower row's terminal is in the junction near this strip, with a tilt length bending at an angle, and bending place angle of bending downwards near this zigzag, make this upper and lower row's terminal downward vertically in this upper and lower strip, and bend a little zigzag respectively to the left or to the right in following bending place near this zigzag;

Upward the length in the zigzag stage casing of row's terminal slightly is longer than segment length in this time row terminal zigzag, and upward the tilt length of row's terminal slightly is shorter than this time row terminal, make this upper and lower row's terminal can be inserted in the two rows jack of this connector colloid together, and the contact feet of this upper and lower row's terminal forms same vertical reference plane, this welding foot forms same horizontal reference plane, after being inserted in this jack at the same time, near zigzag, cut off before the bending place again and being connected of this strip.

2. connector terminals shaped structure according to claim 1, it is characterized in that on the left side or right side body of this upper and lower row's terminal, approach the bending of little zigzag below locate one of drawing and be pressed into platform, can be used as the compacting point that this upper and lower row's terminal is inserted together this connector colloid jack.

3. connector terminals shaped structure according to claim 2 is characterized in that this is pressed into little bending of another side below place's drawing of platform, can be used as the final stop point that this terminal inserts this connector colloid jack.

4. connector terminals shaped structure according to claim 1, the zigzag that it is characterized in that this upper and lower row's terminal are oblique left positive zigzag or oblique to the right zigzag.

5. connector terminals shaped structure according to claim 1 is characterized in that on this that length in the zigzag stage casing of row's terminal slightly is longer than segment length in this time row terminal zigzag, makes to arrange terminal and this time this on and arrange terminal and form one high and one low drop distance.

6. connector terminals shaped structure according to claim 1, it is characterized in that on this that row's terminal bends an angle with this tilt length that slightly is shorter than this time row terminal, make that the bending place all is positioned at same horizontal reference plane on this zigzag of this upper and lower row's terminal.

7. connector terminals shaped structure according to claim 1 is characterized in that this upper and lower row's terminal in the angle of this tilt length bending near this strip junction, is the be tilted to the right bending or the bending that is tilted to the left.

8. connector terminals shaped structure according to claim 1 is characterized in that on this that row's terminal and this time arrange the one high and one low drop distance of terminal formation, be the upper and lower socket pitch-row that is comparable to this connector colloid from.

9. connector terminals shaped structure according to claim 1 it is characterized in that row's terminal is to bend a little zigzag left on this, and this time row terminal is to bend a little zigzag to the right.

10. connector terminals shaped structure according to claim 1 it is characterized in that row's terminal is to bend a little zigzag to the right on this, and this time row terminal is to bend a little zigzag left.

11. connector terminals shaped structure according to claim 1, it is characterized in that the formed welding foot of this upper and lower row's terminal, be that approaching face at this terminal and this printed circuit board (PCB) is provided with one and eats Xi Gou, and can before welding, eat tin earlier, again to eat the middle place cut-out of Xi Gou and being connected of upper and lower strip, to reduce the area of naked copper material, be welded on again on this printed circuit board (PCB).

12. connector terminals shaped structure according to claim 1, the face of cutting that it is characterized in that this contact feet is to strike out arc surface.