CN2692867Y

CN2692867Y - Terminal of electric connector

Info

Publication number: CN2692867Y
Application number: CNU2004200012176U
Authority: CN
Inventors: 蔡周旋
Original assignee: TUOYANG IND CO Ltd
Current assignee: TUOYANG IND CO Ltd
Priority date: 2004-01-20
Filing date: 2004-01-20
Publication date: 2005-04-13
Anticipated expiration: 2014-01-20

Abstract

The utility model provides terminals of electric connector, integrally comprising a U-shaped main body, a first elastic arm and a second elastic arm. The U-shaped main body comprises a first plate and a second plate which form a spacing and face each other. The first elastic arm is connected to the center of the first plate on the U-shaped main body longitudinally and bends toward the second plate. The second elastic arm is connected to one side of the second plate on the U-shaped main body longitudinally and bends toward the first plate. The second elastic arm and the first elastic arm are divide into a spacing in a direction of front view, but the second elastic arm and the first elastic arm form a chiasma shape in the direction of side view. In the utility model, the electric connection between the terminals of electric connector and a spherical shaped connecting pin can be guaranteed to be assured electrical connection. The utility model has the effect that the oxidizing layer of the terminal and spherical shaped connecting pin can be scraped by friction.

Description

Connector terminals

Technical field

The utility model relates to a kind of electric connector, is meant a kind of connector terminals especially.

Background technology

The chip of spherical pin is to be formed with a plurality of spaced hemispheric contacts in the bottom surface of chip, and the electric connector that connects this pattern chip is to utilize a downforce that chip is fixed on the pedestal, uses the terminal Elastic Contact in spherical pin that makes chip and the terminal groove that is arranged in pedestal and guarantees to be electrically connected.

See also Fig. 1, be a kind of electric connector that connects the chip of spherical pin, it is to be provided with one: pedestal 10, and arrange on it and be provided with several terminals groove 11; And several terminals 12, it is the terminal groove 11 that is arranged at this pedestal, it is provided with the contact site 13 of springing up and down.

When chip 90 placed on the pedestal 10, the spherical pin 91 of each of chip 90 was contact sites 13 of this each terminal 12 of contact; See also Fig. 2, when chip 90 stressed pressing down, each terminal 12 is pressed down by elasticity, and this moment, contact site 13 was that elasticity pushes against this sphere pin 91 and reaches the electrical connection effect.

Knownly be configured with following shortcoming:

1. when terminal 12 is subjected to chip and presses down, only be very simple springing up and down, its contact site 13 almost is a same position with the contact point of the spherical pin 91 of chip, changes very small, so between the two generation rub the effect of not scraping removing oxide layer.(on being electrically connected be to belong to best electrical connection effect if can suitably scrape removing oxide layer)

2. the contact site 13 of terminal 12 only is some contact with the contacting of spherical pin 91 of chip, and the electrical connection effect is not good.

The utility model content

The purpose of this utility model is to provide a kind of connector terminals, and it can guarantee certain electrical connection when being electrically connected with spherical pin, and has the effect that can strike off the oxide layer of terminal and spherical pin by friction.

For reaching above-mentioned purpose, a kind of connector terminals of the utility model is characterized in that: its one includes:

One U-shaped main body is to comprise first plate and second plate that is a spacing and faces mutually;

One first elastic arm is the central authorities that are first plate that vertically is connected in this U-shaped main body, and to the second plate bending; And

One second elastic arm is a side that is second plate that vertically is connected in this U-shaped main body, and this second elastic arm is separated into a spacing to the bending of first plate and in the main apparent direction and first elastic arm, and is cross-shaped at this first elastic arm of side-looking direction and second elastic arm.

Described connector terminals is characterized in that: the opposite side of second plate of this U-shaped main body also is provided with one second elastic arm, makes at this first elastic arm of main apparent direction between these two second elastic arms.

Described connector terminals is characterized in that: the lower end of this U-shaped main body is provided with a pin.

Described connector terminals is characterized in that: this U-shaped main body punctures the pin that is bent to form a datum plate downwards and protrudes from the datum plate below.

Described connector terminals is characterized in that: the both sides of this U-shaped main body are provided with the fixed part of protrusion.

Connector terminals of the present utility model, depress when connecting when chip is stressed, this first elastic arm and second elastic arm be subjected to chip spherical pin compressing and open to both sides, because first elastic arm and second elastic arm produce open displacement, so can form friction with spherical pin respectively, reach very clear and definite electrical connection by this and strike off terminal and the oxide layer of spherical pin, so can reach best electrical connection effect.

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 first user mode figure of the chip of known electric connector and spherical pin.

Fig. 2 is the second user mode figure of the chip of known electric connector and spherical pin.

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

Fig. 4 is the three-dimensional combination figure of the utility model preferred embodiment.

Fig. 5 is the solid combination partial enlarged drawing of the utility model preferred embodiment.

Fig. 6 is the utility model preferred embodiment section constitutional diagram.

Fig. 7 is the terminal stereogram of the utility model preferred embodiment.

Fig. 8 is the terminal front view of the utility model preferred embodiment.

Fig. 9 is the terminals side view of the utility model preferred embodiment.

Figure 10 is the first user mode stereogram of the utility model preferred embodiment.

Figure 11 is the second user mode stereogram of the utility model preferred embodiment.

Figure 12 is the second user mode stereogram of the utility model preferred embodiment.

Figure 13 is the first user mode profile of the utility model preferred embodiment.

Figure 14 is the second user mode profile of the utility model preferred embodiment.

Embodiment

See also Fig. 3 and Fig. 4, the electric connector of present embodiment is to include: a metal shell 30, a holder 50, and several terminals 60, wherein:

Metal shell 30 is to include: a base 31 forms a saturating dead zone 33 in its bottom surface 32 central authorities; One loam cake 35, one end are articulated in an end of base 31, and its other end is provided with flange 36; And a rocking bar 40, it is provided with first bar 41 and second bar, 42, the second bars 42 are articulated in the other end of base 31 and which is provided with a bend 43.

Please cooperate ginseng figure 5 and Fig. 6, holder 50 is provided with the terminal groove 51 of a plurality of arrangements, its dual-side respectively is provided with two projections 52, it is to be positioned in the outer base 31 that belongs to of metal, its projection 52 is butted on the bottom surface 32 of base 31, then corresponding to the saturating dead zone 33 of base, upper end two corresponding sides of this terminal groove 51 are respectively equipped with two dividing plates 53 to each terminal groove 51 in addition, make to form three grooves 54,55,56.

Please cooperate ginseng figure 7 and Fig. 8 and Fig. 9, terminal 60 is to be located in the terminal groove 51 of holder 50, its one includes: a U-shaped main body 61, and it is to include first plate 62 and second plate 63 that is a spacing and faces mutually, the dual-side of this first plate 62 and second plate 63 is provided with the fixed part 64 of protrusion; One first elastic arm 66 is the central authorities that are first plate 62 that vertically is connected in this U-shaped main body, and it is to 63 bendings of second plate; 2 second elastic arms 68, be the both sides that are second plate 63 that vertically is connected in this U-shaped main body, it is separated into a spacing 69 to 62 bendings of first plate and in the main apparent time and first elastic arm 66, and first elastic arm 66 is between 2 second elastic arms 68, and so this first elastic arm 66 and second elastic arm 68 are cross-shaped when side-looking; One datum plate 72, it is to puncture downwards from the U-shaped main body to be bent to form, and make an end be connected in first plate 62, and the other end forms an arc sections 73; And a pin 75, it also punctures from the U-shaped main body and is bent to form a circular arc protuberance downwards, and it is connected in the not end of this datum plate 72.

Terminal is to form continuously arranged terminal according to the terminal groove spacing on making, first plate 62 of this U-shaped main body 61 is to connect strip 78, strip 78 promptly fractures after terminal group is packed the terminal groove 51 of holder 50 into, the datum plate 72 of terminal is butted on the bottom surface of terminal groove 51 at this moment, and the bottom surface of pin 75 external part pilot trench, in addition, as Fig. 5 and shown in Figure 6, this 2 second elastic arm 68 is that grooves on two sides 54,56, the first elastic arms 66 corresponding to terminal groove 51 upper ends then are the intermediate groove 55 corresponding to terminal groove 51 upper ends.

How fixed chip then is described, see also Figure 10, after chip 90 is placed in holder 50 loam cake 35 is covered, see also Figure 11, then shaking this rocking bar 40 overturns to the right and depresses, the bend 43 of this rocking bar is promptly depressed the flange 36 of fixing this loam cake 35 as shown in figure 12, so promptly provides a downforce to make chip 90 depress with terminal in the holder and is electrically connected.

See also Figure 13, when chip 90 was placed on the

holder

50,91 of the spherical pins of chip 90 were butted on this first elastic arm 66 and 2 second elastic arms 68; See also Figure 14, when chip 90 stressed depressing, this first elastic arm 66 and 2 second elastic arms 68 are subjected to the compressing of spherical pin 91 and open to both sides, and because first elastic arm 66 and 2 second elastic arms 68 produce open displacement, so can form friction with spherical pin 91 respectively, except three bullets contact the electrical connection effect that reaches very clear and definite, more can strike off the oxide layer of terminal and spherical pin 91 by this, so can reach best electrical connection effect; Please cooperate and consult Fig. 5, though this moment, this first elastic arm 66 and 2 second elastic arms 68 opened the generation displacement toward both sides, be to be flared to middle groove 55 so because of first elastic arm 66, and 2 second elastic arms 68 are to be flared to grooves on two sides 54,56, and groove 54,55,56 is all separated by dividing plate 53, produces short circuit so will not be in contact with one another.

By above explanation, the utility model can be summarized following advantage:

1. when connecting the spherical pin of chip, first elastic arm 66 and 2 second elastic arms 68 can produce open displacement, rub so can form with spherical pin respectively, except reaching very clear and definite electrical connection effect, more can strike off the oxide layer of terminal and spherical pin by this.

2. three elastic arms by diverse location contact with the spherical pin of chip, so can guarantee to be electrically connected effect.

3.,, produce short circuit so can not interfere mutually so because of it staggers mutually though the utility model is provided with three expandable elastic arms.

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 fact, the utility model can be made many variations and implement.

Claims

1. connector terminals, it is characterized in that: its one includes:

2. connector terminals as claimed in claim 1 is characterized in that: the opposite side of second plate of this U-shaped main body also is provided with one second elastic arm, makes at this first elastic arm of main apparent direction between these two second elastic arms.

3. connector terminals as claimed in claim 1 is characterized in that: the lower end of this U-shaped main body is provided with a pin.

4. connector terminals as claimed in claim 3 is characterized in that: this U-shaped main body punctures the pin that is bent to form a datum plate downwards and protrudes from the datum plate below.

5. connector terminals as claimed in claim 1 is characterized in that: the both sides of this U-shaped main body are provided with the fixed part of protrusion.