CN2520586Y - Terminal of electric connector - Google Patents
Terminal of electric connector Download PDFInfo
- Publication number
- CN2520586Y CN2520586Y CN 01280426 CN01280426U CN2520586Y CN 2520586 Y CN2520586 Y CN 2520586Y CN 01280426 CN01280426 CN 01280426 CN 01280426 U CN01280426 U CN 01280426U CN 2520586 Y CN2520586 Y CN 2520586Y
- Authority
- CN
- China
- Prior art keywords
- electric connector
- connector terminal
- terminal
- arm
- stitch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an electric connector terminal, in particular to a socket connector terminal with zero insertion force, which comprises a body. Two pairs of elongated support bodies are extended out of the upper end of the body in a buckling way, which are separated with each other, the both sides of the body are provided with barbs, and thereby the terminal is fixed in the slot of an insulation body of the electric connector. A welded portion welded with an external element is extended on the lower portion of the body. And a pair of arms which are relatively arranged are formed by bending and twisting upwards the tail ends of the two support bodies, and the end of each arm is respectively provided with a contacting portion, and a smoothing contact face is equipped on each contacting portion, and a V-shaped opening is formed between the two contacting portions, and the diameter of the substandard width of the V-shaped opening is smaller than the diameter of butt-joint stitch, which guarantees the stable electric connection between the electric connector terminal and the stitch, and the terminal has long tension arm, good elasticity, small pushing force, simple structure, and cheap cost.
Description
[technical field]
The utility model is about a kind of electric connector terminal, refers in particular to a kind of socket connector terminal of zero insertion force.
[background technology]
The socket connector of zero insertion force has been widely used in connecting electronic equipment, be installed on the printed circuit board (PCB) such as central processing unit, this socket connector generally includes an insulating body or the pedestal with some jacks or slot, accommodate fixing in each above-mentioned jack or the slot one signal terminal is arranged, and each jack forms an enough big inner space so that terminal accommodating only takies the fraction space after wherein, and the remaining space that stays in the jack is in order to accommodating the stitch of corresponding electronic component, and is not subjected to any resistance when inserting.After pin inserts remaining space, thus electronic component just can shift to insulating body and drive stitch and cooperate with the terminal elastic arm by external driver device, elastic arm deflects, and guarantees whereby that pin and elastic arm are stablized to be connected.
At present, many terminals have been designed for the purpose that realizes zero insertion force.For example United States Patent (USP) is announced case No. 6319038, as shown in Figure 1, the terminal 1 ' that it disclosed comprises a base portion 2 ' and a pair of arm 4 ', and wherein base portion 2 ' comprises in the terminal containing slot that is housed in socket connector and abuts against body 22 ' on the accepting groove inwall, is retained on the neck 224 ' in the terminal containing slot of socket connector from hangnail 222 ' that body 22 ' extends to both sides, with terminal 1 ' and can be welded on weld part 226 ' on the printed circuit board (PCB).Each arm 4 ' comprises a pair of from the downward-sloping extension in base portion 2 ' both sides and abut in upper arm 42 ' on the corresponding terminal accepting groove inwall, the forearm 44 ' that extends obliquely from the end of this upper arm, be located at the free-ended contact site 442 ' of this forearm and from the metacarpus 444 ' of contact site to body 22 ' direction diagonally extending.Yet, because the arm of force of terminal is shorter, therefore when pushing, stitch needs bigger actuating force between two arms, again because the arm of strip upper terminal is to uphold to both sides from body, so the area occupied of terminal on strip is excessive and terminal pitch is also bigger during punching press, thereby has reduced punching press and efficiency of assembling, and terminal is by neck link to each other with strip (being that the top is provided with), the electroplating efficiency of terminal is reduced, thereby cause manufacturing cost to increase and the production efficiency reduction.
Therefore, be necessary to design a kind of simple in structure and can overcome the electric connector terminal of above-mentioned defective.
[summary of the invention]
The purpose of this utility model is to provide a kind of electric connector terminal of zero insertion force, and its simple in structure, required actuating force is little, can guarantee to have stable electric connection between stitch and can reduce cost with docking.
For achieving the above object, the utility model adopts following technical scheme: the utility model electric connector terminal is retained in the slot of insulating body of electric connector usually, it includes body, upper end bending the extending two elongated relatively supporters of body, and two supporters separate out each other, the lower end of body be extended with can with the weld part of outer member welding, the tail end of two supporters is bent to form the arm of pair of opposing, the end of each arm has a contact site respectively, and each contact site all has level and smooth contact-making surface, and form a splayed opening between two contact sites, and the slot width of this splayed opening is less than the diameter of butt joint stitch.
Compared with prior art, the utility model electric connector terminal forms a pair of arm and forms two and have level and smooth contact-making surface and be the contact site of splayed configuration opening in that arm is terminal by supporter tail end bending is reversed, thereby can guarantee that electric connector terminal has stable electric connection with docking between stitch, and this terminal arm of force length, good springiness, required actuating force are little and simple in structure, with low cost.
[description of drawings]
Fig. 1 is the stereogram of existing electric connector terminal.
Fig. 2 is the stereogram of the utility model electric connector terminal.
Fig. 3 is the end view of the utility model electric connector terminal.
Fig. 4 is the vertical view of the utility model electric connector terminal.
Fig. 5 is the vertical view after docking stitch and the utility model electric connector terminal being connected.
Fig. 6 is the schematic diagram of the utility model electric connector terminal strip.
[embodiment]
A kind of electric connector generally includes the insulating body that has the slot of accommodating the fixing signal terminal at least.Terminal is usually designed to the needs that satisfy the mechanical electric performance.Shown in Figure 2 is terminal structure of the present utility model.This terminal is applicable to socket connector usually, and this socket connector can be installed on the printed circuit board (PCB) in order to a kind of electronic component (such as central processing unit) and printed circuit board (PCB) are electrical connected.Only this purposes of the utility model terminal is described below, but the purposes of the utility model terminal is not limited in this.In addition, the utility model terminal also can be applicable to the electric connector of other type, to reach various objectives.
See also shown in Figure 2, the utility model electric connector terminal 10 comprises a body 12, two elongated relatively supporters 30 are extended in upper end 14 bendings of body 12, and two supporters 30 separate out each other, the tail end of two supporters 30 upwards is bent to form the arm 36 of pair of opposing, and the end of each arm 36 has a contact site 38 respectively.16 both sides, lower end of body 12 are formed with a hangnail 20 respectively, terminal can be retained on whereby in the slot of insulating body of electric connector (not shown).The lower end 16 of body 12 be extended with can with the weld part 24 of outer member welding.
In the present embodiment, the lower end 16 of body 12 is bent to form a neck 18, and this neck 18 extends a bottom 22 perpendicular to body 12.The free end of bottom 22 is formed with a weld part 24, and this weld part 24 can pass through soldered ball or bulk solder and printed circuit board (PCB) (not shown) welding, thereby electric connector terminal 10 and printed circuit board (PCB) are electrical connected.
The weld part 24 of above-mentioned bottom 22 can vertically extend pin and be located in the hole on the printed circuit board (PCB) with insertion, and then with weld part 24 and printed circuit board (PCB) welding, pin is fixed on the printed circuit board (PCB), thereby can makes electric connector terminal 10 and printed circuit board (PCB) reach stable electric connection.
See also Fig. 2 and shown in Figure 3, supporter 30 is to extend from upper end 14 bendings of body 12.Particularly, two supporters, 30 elder generations extend first extension 32 downwards from the kink of the upper end 14 of body 12, and this first extension 32 is roughly parallel to body 12.Then, first extension 32 bending extending, second extension 34, this second extension 34 be parallel to bottom 22 and with bottom 22 at a distance of a suitable distance.At last, second extension 34 upwards bends and reverses and forms the arm 36 that a pair of mirror image is provided with, and wherein two arms 36 reverse by different clockwises respectively.The end of each arm 36 has a contact site 38 respectively, and each contact site 38 all has level and smooth contact-making surface, and this level and smooth contact-making surface is level and smooth cambered surface 360 in the present embodiment.Between two contact sites 38, be formed with a splayed configuration opening, and the slot width of this splayed opening is less than the diameter of CPU stitch 40, wherein arm 36 bendings form a leading edge 15 when reversing, this leading edge 15 is protruded bottom 22, so that the CPU stitch when pushing arm electric connector terminal 10 be unlikely to move with stitch 40, and the top of contact site 38 is a little less than the height of the upper end 14 of body 12, so that electric connector terminal 10 has less height.Because this structure of supporter 30 makes supporter 30 have very long length, thereby increased its elasticity, and also this structure of supporter 30 makes that the moment of stitch 40 suffered elastic force was very long when CPU stitch 40 pushed 36 of two arms just, thereby can make stitch 40 be easy to push 36 of two arms, and can guarantee that electric connector terminal 10 and 40 of CPU stitch have stable electric connection.
See also shown in Figure 6ly, it is the strip schematic diagram of the utility model electric connector terminal 10.Because the utility model electric connector terminal 10 is to extend supporter 30 and bottom 22 respectively from the upper end 14 and the lower end 16 of body 12, so the simple in structure and strip upper terminal spacing of electric connector terminal 10 is very little, thereby make these electric connector terminal 10 easy manufacturings and can save man-hour, again because strip base portion 4 is to be connected (i.e. bottom setting) with the lower end 16 of body 12, so its electroplating efficiency height and can reducing cost.
See also Fig. 4 and shown in Figure 5, when CPU stitch 40 was connected with electric connector terminal 10, stitch 40 vertically was inserted in the space that separates two supporters 30 earlier, and this moment, stitch 40 was not subjected to the effect of any resistance.Thereafter stitch 40 prolongs the translation of M direction, so stitch 40 at first is resisted against contact wire 362 places on the level and smooth cambered surface 360, stitch 40 is pushed two arms 36 open and is moved and make two arms 36 reverse along the D direction respectively then, the active force that this moment, stitch 40 was subjected to contact site 38 will increase gradually, and the direction of two active forces is more and more near a straight line, final stitch 40 is pushed into position as shown in Figure 5 and stitch 40 and contacts with contact wire 364 on the level and smooth cambered surface 360, and the active force of stitch 40 suffered two contact sites 38 has had the direction of certain intensity and two active forces near a straight line at this moment.Can make stitch 40 and electric connector terminal 10 reach stable electric connection whereby.
In sum, extend two supporters 30 and the bending of supporter 30 tail ends is reversed into the arm 36 that a pair of mirror image is provided with because the body 12 of the utility model electric connector terminal 10 bends, thereby can guarantee that 40 of electric connector terminal 10 and stitch have stable electric connection, the while also makes terminal arm of force lengthening, elasticity enhancing, required actuating force diminishes and simple in structure, cost reduction.
Claims (10)
1. electric connector terminal, it is retained in the slot of insulating body of electric connector usually, it is characterized in that: this electric connector terminal includes body, upper end bending the extending two elongated relatively supporters of body, and two supporters separate out each other, the lower end of body be extended with can with the weld part of outer member welding, the tail end of two supporters is bent to form the arm of pair of opposing, the end of each arm has a contact site respectively, and each contact site all has level and smooth contact-making surface, and form a splayed opening between two contact sites, and the slot width of this splayed opening is less than the diameter of butt joint stitch.
2. electric connector terminal as claimed in claim 1 is characterized in that: wide mouthful of direction of described splayed configuration opening is towards the body of electric connector terminal.
3. electric connector terminal as claimed in claim 1 is characterized in that: described two supporters upwards bend and reverse the symmetrically arranged arm of a pair of mirror image of formation.
4. as claim 1 or 3 described electric connector terminals, it is characterized in that: the contact-making surface of described contact site is the level and smooth cambered surface that slightly is arcuation, and the top of contact site is equal to or less than the height of first kink of body.
5. electric connector terminal as claimed in claim 1 is characterized in that: the leading edge of the arm of electric connector terminal is protruded weld part so that the butt joint stitch when pushing arm electric connector terminal be unlikely to move with stitch.
6. electric connector terminal as claimed in claim 1 is characterized in that: the body both sides of described electric connector terminal also have two hangnails.
7. electric connector terminal as claimed in claim 1 is characterized in that: described supporter has first extension, second extension of bending extension and the arm that bending is reversed that bending is extended.
8. electric connector terminal as claimed in claim 7 is characterized in that: first extension is roughly parallel to body, and second extension is approximately perpendicular to body.
9. as claim 1 or 3 described electric connector terminals, it is characterized in that: described two arms are to reverse formation by different clockwises respectively.
10. electric connector terminal as claimed in claim 1 is characterized in that: the base portion of electric connector terminal strip is that the bottom is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01280426 CN2520586Y (en) | 2001-12-26 | 2001-12-26 | Terminal of electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01280426 CN2520586Y (en) | 2001-12-26 | 2001-12-26 | Terminal of electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2520586Y true CN2520586Y (en) | 2002-11-13 |
Family
ID=33683280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01280426 Expired - Fee Related CN2520586Y (en) | 2001-12-26 | 2001-12-26 | Terminal of electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2520586Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100433467C (en) * | 2005-03-11 | 2008-11-12 | 上海莫仕连接器有限公司 | Terminal of socket connector and manufacturing method thereof |
| CN1722536B (en) * | 2004-06-30 | 2010-05-05 | 泰科电子荷兰公司 | Connector for electronic components |
| CN103682731A (en) * | 2013-12-12 | 2014-03-26 | 昆山科信成电子有限公司 | Connecting terminal, coaxial electrical connector and wiring structure of coaxial electrical connector |
-
2001
- 2001-12-26 CN CN 01280426 patent/CN2520586Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1722536B (en) * | 2004-06-30 | 2010-05-05 | 泰科电子荷兰公司 | Connector for electronic components |
| CN100433467C (en) * | 2005-03-11 | 2008-11-12 | 上海莫仕连接器有限公司 | Terminal of socket connector and manufacturing method thereof |
| CN103682731A (en) * | 2013-12-12 | 2014-03-26 | 昆山科信成电子有限公司 | Connecting terminal, coaxial electrical connector and wiring structure of coaxial electrical connector |
| CN103682731B (en) * | 2013-12-12 | 2015-12-09 | 昆山科信成电子有限公司 | Splicing ear, coaxial electric coupler and wiring construction thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |