CN2431654Y

CN2431654Y - Improved structure for connector terminal

Info

Publication number: CN2431654Y
Application number: CN00235601U
Authority: CN
Inventors: 唐世林
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2000-05-31
Filing date: 2000-05-31
Publication date: 2001-05-23
Anticipated expiration: 2010-05-31

Abstract

The utility model relates to an improved structure for a connector terminal. The terminal is inserted and fixed in a jack of a presetting terminal groove of a base body of the connector for the electrical contact and for clamping an interface which is inserted, the center part of the upper section where the terminal and the inserted interface make the electrical connection is cut with an enclosed or semi-opened slit, a sheet body on one side is punched into a yieldable arc convex or a <-shaped lower elastic bulge, and the sheet body on the other side is connected with the base part of the terminal into a flat and straight plate-shaped elastic wall. When the interface is inserted into an inserted groove of the base body of the connector, the lower elastic bulge with a low elastic deformation content is in the electrical contact with interface and the entire elastic wall which can elastically deformable is pushed to be inclined outwards and generate the clamp force.

Description

The bonder terminal structure-improved

The utility model is about a kind of terminal structure-improved, particularly at being installed in the bayonet connector pedestal a kind of bonder terminal structure-improved that gives clamping when pegging graft for docking facilities (for example butt connector or interface card) and electrically connect and can utilize the structural change of exquisiteness to be developed with effective raising signal efficiency of transmission.

Press, as Fig. 1, Figure 2 shows that a kind of legacy card edge connector structure 1 for interface grafting use, mainly be to be provided with long and narrow slot 100 in a pedestal 10 central authorities, slot 100 dual side-edges then equally spaced be provided with plural terminals groove 101 and with the plurality of through holes 102 of bottom is corresponding respectively can be ccontaining and wherein fixing for terminal 11, the shape of this terminal 11 generally by the direct complications of single metal lamellar body form the introversion of epimere low-angle＜shape elastic wall 110 and hypomere are plugged in the perforation 102 and for the non-resilient base portion 111 that is welded on the motherboard, so its elastic wall 110 will press from both sides attitude 1 away from terminal groove 101 cell walls in being after terminal 11 is fixed in the perforation 102, be to press from both sides attitude in being when interface card these elastic arm 101 cell walls of one side of slotting following time, be with insert when the interface card following time on the one hand this elastic arm 110 will because of and base portion 111 turning points between form and produce one resilient clamp strength when big moment is outwards backed down, but on the other hand then the spur of mat elastic arm 110 select the corresponding conducting strip of 112 conflict interface cards and reach electric connection.

Only, in this kind terminal 11 structures, because its whole elastic arm 110 is shaped to bending＜shape and non-linear shape, so the total length of the elastic arm 110 of this kind under the equal height condition＜shape bending is longer, that is the distance of its conductive path is far away, so can influence the signal efficiency of transmission between interface card and motherboard, especially when the running clock pulse of motherboard and central microprocessor is higher, processing speed heals when fast, the signal transmission hysteresis phenomenon that this kind terminal 11 caused will be more obvious and do not meet and need the operation of high-speed computation and processing required.

Edge is, in view of this, clever thought that the special utilization of the utility model creator is original and scientific principle also are engaged in various computer connector product professional development and production and marketing experience for many years with accumulation, several times trial-production is done with real, can develop eventually electrical efficiency higher and help the high speed processing signal export into a kind of bonder terminal structure-improved.

Main purpose of the present utility model is that a kind of bonder terminal structure-improved is being provided.

A kind of bonder terminal structure-improved of the present utility model, this terminal be inserted in the default perforation of connector pedestal and and be separated with a movable space between the terminal groove cell wall at this terminal place, this terminal cuts open along its length and is provided with a joint-cutting in electrically contacting part with docking facilities, joint-cutting lateral piece punch forming on one side is can electrically contact with docking facilities and the plastic step-down elasticity protuberance of low elasticity deflection, and another side lamellar body then links to each other with the terminal base portion and is shaped to the elastic arm of tool higher elasticity deflection.

The utility model cuts open the centre of terminal epimere and establishes a joint-cutting and but a lateral piece is given the low elasticity protuberance of punch forming for flow low elasticity deflection, lateral piece then gives base portion with end and is connected to straight tabular elastic arm in addition, in view of the above when interface card or butt connector insert in the connector pedestal slot, the low elasticity protuberance of low elasticity deflection will electrically contact and use the whole elastic arm flare that promotes elastically deformable with it and produce chucking power, and mat is straight tabular and total length is the shortest elastic arm presented short-range missile power path characteristic and effectively promotes signal efficiency of transmission between interface card or butt connector and motherboard.

For further understanding the utility model as reaching technology, means and the effect that predetermined purpose is taked, now describe in detail for a preferable feasible embodiment and conjunction with figs. as after, believe the purpose of this utility model, feature and advantage when can be thus one go deep into and concrete understanding.

Fig. 1 is the three-dimensional exploded view of traditional a kind of connector construction.

Fig. 2 is the horizontal section schematic diagram of traditional connector construction among Fig. 1.

Fig. 3 is the three-dimensional exploded view of one of the related connector construction of the utility model embodiment.

Fig. 4 is the stereo appearance figure of one of the utility model terminal structure embodiment.

Fig. 5 is the side plan view of one of the utility model terminal structure embodiment.

It is solid in the connector pedestal and can be for the horizontal section schematic diagram of butt connector grafting use that Fig. 6 is that one of the utility model structure embodiment inserts.

Fig. 7 is the three-dimensional exploded view of another embodiment of the related connector construction of the utility model.

Fig. 8 is the stereo appearance figure of another embodiment of the utility model terminal structure.

Fig. 9 is the side plan view of another embodiment of the utility model terminal structure.

It is solid in the connector pedestal and can be for the horizontal section schematic diagram of butt connector grafting use that Figure 10 is that another embodiment of the utility model terminal structure inserts.

Figure 11 is that the utility model still can be for the horizontal section schematic diagram of interface card grafting use with respect to the embodiment of Fig. 6.

Figure 12 is that the utility model still can be for the horizontal section schematic diagram of interface card grafting use with respect to the embodiment of Figure 10.

The figure number explanation:

1 connector

10 pedestals, 100 slots

102 perforation of 101 terminal grooves

11 terminals, 110 elastic arms

111 base portions, 112 spurs point

2 connectors

20 pedestals, 200 slots

202 perforation of 201 terminal grooves

203 movable spaces, 21 terminals

210 joint-cuttings, 211 low elasticity protuberances

212 flat parts, 213 base portions

214 elastic arms, 215 spurs point

216 breakover points

See also Fig. 3 to shown in Figure 10, be each coherent reference accompanying drawing of two preferred embodiments of the utility model bonder terminal structure-improved, at first as Fig. 3, Fig. 6; Fig. 7, shown in Figure 10, each terminal groove 201 cell wall of connector 2 pedestals 20 its slot 200 2 sides that the utility model bonder terminal structure-improved is related and its corresponding 202 of perforation in bottom are alternately to be separated with certain distance and to form and can supply terminal 21 movable space 203 of elastics wing laterally.And for example Fig. 4, Fig. 5, Fig. 8, shown in Figure 9, each terminal 21 is shaped to tabular always basically, only the central appropriate location of section cuts open along its length and is provided with a joint-cutting 210 thereon, order gives the plastic step-down elasticity protuberance 211 that punch forming is the low elasticity deflection for one of 210 cuttings of this joint-cutting side lamellar body, and another side lamellar body of institute's cutting then forms flat part 21 and links to each other with terminal hypomere base portion 213 and to constitute the elastic arm 214 of straight tabular and tool higher elasticity deflection.

Wherein the moulding aspect of low elasticity protuberance 211 can be made the kenel shown in first embodiment of Fig. 4, Fig. 5, that is joint-cutting 210 2 ends all do not pass through and cut terminal 21 lamellar bodies and form a closed joint-cutting 210, and the side lamellar body gives punching press behind terminal 21 mat anchor clamps clampings and form plasticity that two ends as shown in the figure all still link to each other with terminal 21 bodies and the low elasticity protuberance 211 that is the arc convex.The moulding aspect of this low elasticity protuberance 211 can also be made as Fig. 8, kenel shown in second embodiment of Fig. 9, that is joint-cutting 210 passes through in the top and cuts terminal 21 lamellar bodies and form the open and semi-open joint-cutting 210 of end sealing in addition of an end, and the side lamellar body gives punching press behind terminal 21 mat anchor clamps clampings and form as shown in the figure plasticity＜shape low elasticity protuberance 211 that bottom only links to each other with base portion 213, the person of meriting attention, should＜shape low elasticity protuberance 211 can make its spur put the breakover point 216 that 215 positions are in close proximity to 213 of this elasticity protuberance 211 and base portions as far as possible in design, even also this low elasticity protuberance 211 increases with respect to the angle of base portion 213, and shortening spur point 215 is with respect to the arm of force length of breakover point 216, to reduce low elasticity protuberance 211 reduces low elasticity protuberance 211 with respect to 213 moments that may form of base portion swing deflection, reach the characteristic of low elasticity deflection according to this.

In view of the above, it is solid when pedestal 20 is preset in the perforation 202 when terminal is inserted, as Fig. 6, shown in Figure 10, each terminal 21 will and terminal groove 201 cell walls between maintain certain movable space 203 and flare swing in good time, low elasticity protuberance 211 then the low elasticity protuberance 211 of relative terminal 21 with another in abutting connection with corresponding and present the clamping form, be electrically to contact down and when backing down low elasticity protuberance 211 to insert when butt connector, because it has low elasticity and the characteristic of unlikely strain, so will transfer pushing tow by joint-cutting 210 in addition linked to each other with base portion 213 elastic arm 214 that constitutes and have an elastic deformability of the flat part 212 of side lean outward and lean on, produce chucking power and therefore grip butt connector, to reach the basic electric connection and the effect of clamping.Only, especially what deserves to be mentioned is, though it is external that the lamellar body of low elasticity protuberance 211 protrudes from 21 of terminals, the flat part 212 of right joint-cutting 210 other sides but links to each other with base portion 213 and is formed on the short straight tabular elastic arm 214 of total length under the equal height, that is therefore the distance of the conductive path of this elastic arm 214 can significantly shorten, and be enough to improve signal efficiency of transmission between butt connector and motherboard, heal fast motherboard and central microprocessor collocation use to meet the actual demand of high-speed computation operation really with the running clock pulse is higher with processing speed closely in order to do profit.

More than be that the utility model is applied in the Application Example of peg graft using for butt connector as Fig. 6, that shown in Figure 10, so low elasticity protuberance 211 positions of two side terminals 21 are obviously towards the direction separation away from pedestal 20 slots 200 center lines; Right the utility model also is applicable as for the grafting of interface card and uses, and as Figure 10, shown in Figure 11, shows wherein meet towards slot 200 centerline directions in low elasticity protuberance 211 positions of two sides 21.

The comprehensive argumentation, the bonder terminal structure-improved that the utility model disclosed can effectively improve the defective of traditional terminal structure electrical efficiency difference really and has enhancement on the effect.

Claims

1. bonder terminal structure-improved, this terminal be inserted in the default perforation of connector pedestal and and be separated with a movable space between the terminal groove cell wall at this terminal place, this terminal cuts open along its length and is provided with a joint-cutting in electrically contacting part with docking facilities, joint-cutting lateral piece punch forming on one side is can electrically contact with docking facilities and the plastic step-down elasticity protuberance of low elasticity deflection, and another side lamellar body then links to each other with the terminal base portion and is shaped to the elastic arm of tool higher elasticity deflection.

2. a kind of bonder terminal structure-improved as claimed in claim 1 is characterized in that the elastic arm of described terminal may be molded to straight tabular.

3. a kind of bonder terminal structure-improved as claimed in claim 1 is characterized in that, described joint-cutting is the non-sealing form of cutting the terminal lamellar body of passing through of two ends.

4. a kind of bonder terminal structure-improved as claimed in claim 1 is characterized in that, described joint-cutting is an end and passes through and cut and hold the non-semi-open kenel of cutting the terminal lamellar body of passing through in addition.

5. as claim 3 or 4 described a kind of bonder terminal structure-improveds, it is characterized in that, for one of joint-cutting institute subdivision side low elasticity protuberance is to be shaped to lonely convex.

6. as claim 3 or 4 described a kind of bonder terminal structure-improveds, it is characterized in that, for joint-cutting institute subdivision one side low elasticity protuberance is to be shaped to＜font.

7. a kind of bonder terminal structure-improved as claimed in claim 6, it is characterized in that, the spur point position of order＜shape low elasticity protuberance is close to the breakover point between this low elasticity protuberance and base portion, makes the low elasticity protuberance form the high inclination-angle form of shorter arm of force length with respect to base portion.

8. a kind of bonder terminal structure-improved as claimed in claim 1 is characterized in that, can be the interface card for the docking facilities that is plugged in the connector pedestal.

9. a kind of bonder terminal structure-improved as claimed in claim 1 is characterized in that, can be butt connector for the docking facilities that is plugged in the connector pedestal.