CN2289316Y

CN2289316Y - High density extending groove connector

Info

Publication number: CN2289316Y
Application number: CN 97201022
Authority: CN
Inventors: 刘进卿
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-28
Filing date: 1997-01-28
Publication date: 1998-08-26
Anticipated expiration: 2007-01-28

Abstract

The utility model relates to a high density extending groove connector, comprising a body provide with a slot and two parallel rows of containing grooves. A plurality of contact feet each provided with a top part, contact points, two wings and welded feet connected with the lower part of the two wings are inserted in a plurality of containing grooves. The bottom parts of the containing grooves are provided with cruciform clamped grooves. The clamped grooves are clamped with the two wings of the contact feet to fix the contact feet. The top end of the upper part of each contact foot is provided with a narrower top end section. The back face of each containing groove is provided with a narrow slot approximately same in width with each top end section for the movement of the top end sections in the narrow slots. The cross section shapes of the containing grooves and the narrow slots are molded by making use of one mold core inserting from the bottom of the body. Thus, rough edges from the inner parts of the containing grooves are avoided, and the body has better and stronger structural strength.

Description

High density expansion slot connector

The utility model relates to a kind of line connector of electricity field essential electronic element, particularly relates to a kind of high density expansion slot connector that is applicable to the novel structure of interface card that computer uses and various bus-bar interfaces.

Used various bus-bars of computer and interface standard develop towards the direction of higher transmission rate and bigger frequency range one after another now, make that therefore the pin count of the employed various expansion slots of computer increases in large quantities now.But on the other hand, the design size of the used various circuit boards of computer is constantly being dwindled now, and the quantity of part is in continuous improve, so that the size of the used various expansion slots of computer constantly dwindle.

But the raising of the expansion slot pin count of computer and the result of volume-diminished have caused many puzzlements.For example, the design of expansion slot now all is to receive more pin in limited space content, therefore make the body of expansion slot of computer must in limited space, be provided with more in order to hold the storage tank of pin, therefore make this body reduce at the material thickness at each adjacent place of root pin, make its strength reduction, and fracture very easily.

See also shown in Figure 1, structure for a kind of existing expansion slot connector body, its structure of this kind expansion slot connector comprises a body 1, it is the cuboid that utilizes plastic material to make, its central authorities are provided with a slot 2 along its length direction, be inserted in wherein for expansion board, and be respectively equipped with two rows storage tank 3 arranged side by side at the dual-side of this slot 2, respectively the side of this storage tank 3 is provided with contact opening 4.

Be provided with a contact feet 5 in this storage tank 3, this contact feet 5 is provided with the contact site 5a of a bending, and this contact site 5a can be stretched out by this contact opening 4, and protrudes among the slot 2, can contact with the expansion board in inserting slot 2.The top of storage tank 3 has the peristome 3a of a broad, so that the top of contact site 5a has the space of elastic telescopic, the inside top at storage tank 3 is provided with a stopper section 3b in addition, in order to limit the elastic telescopic scope of contact site 5a.In addition, body 1 bottom also is provided with a location hole 9 in the outside that is positioned at storage tank 2, is used for contact feet 5 is inserted the drift of the diel in the storage tank 2 in order to the guiding location.

In the structure of this kind expansion slot connector, because the peristome 3a of storage tank 3 first halves must have suitable width, so that the contact site 5a of contact feet 5 has the space of elastic telescopic, the outside of adding storage tank 2 also is provided with aforesaid location hole 9, so that the thickness of body 1 sidewall sections reduces.The pin density of adding expansion slot connector now increases substantially, so that the intensity of the body 1 of expansion slot connector reduces, and be easier to rupture, and after contact feet 5 inserts storage tank 2, body 1 can press on the pressure of storage tank 2 and produce flexural deformation because be subjected to contact feet 5, thereby make this kind expansion slot connector after assembling is finished, be very easy to flexural deformation.

Please shown in Figure 2 in conjunction with consulting, the shape of storage tank 3 is owing to be the shape that is wide at the top and narrow at the bottom, and being provided with a stopper section 3b above it again hinders, therefore must insert by the top of this body 1 by a patrix heart 6, with the peristome 3a that is shaped above-mentioned, and utilize a counterdie heart 7 to insert, to form the latter half of storage tank 3 by the below of body 1.

The precision size degree of this storage tank 3 requires very high, and do not allow that the hairiness limit exists, to avoid producing interference with contact feet 5, make the contact site 5a of contact feet 5 be stuck and elastic telescopic normally, therefore the cooperation of this patrix heart 6, the counterdie heart 7 must be very accurate, otherwise just have the situation generation of storage tank 3 scale errors.Yet, the shape of this patrix heart 6, the counterdie heart 7 is very elongated, and be that frame mode with contacts side surfaces cooperatively interacts, so be very easy to produce crooked, and make the size of this storage tank 3 and shape produce distortion inaccuracy, or produce the gap in the position of the contact-making surface 8 of this patrix heart 6, the counterdie heart 7, so that just can make the madial wall of storage tank 3 produce burr, and cause this storage tank 3 can't with contact feet 5 correct cooperating, so its defective products rate that makes existing high density expansion slot connector manufacture is very high.

Because the drawback of above-mentioned traditional product, the design people sells abundant practical experience and professional knowledge based on being engaged in the Related product design for many years, through constantly studying, design, and after studying sample repeatedly and improving, creates the utility model finally.

Main purpose of the present utility model is, overcomes the defective of prior art, and a kind of high density expansion slot connector of novel structure is provided, and makes it have simple structure, the good effect of structural strength.

Another purpose of the present utility model is, a kind of high density expansion slot connector of novel structure is provided, and makes it have shape and simplifies, makes simple effect.

Another purpose of the present utility model is, a kind of high density expansion slot connector of novel structure is provided, and makes it can reduce the defective products rate of producing product, and has the effect of saving material cost.

The purpose of this utility model is realized by following technical scheme.According to the high density expansion slot connector of the novel structure that the utility model proposes, it comprises: a body, be cuboid, and be provided with a slot for the expansion board insertion along its length direction, be provided with two rows storage tank arranged side by side in the both sides of this slot; Most contact feets are inserted among these some storage tanks, and it is provided with the welding foot that double-vane and that a top, a contact point, be connected in this contact point below is connected in this double-vane below; Respectively the welding foot one of this contact feet bottom props up and is the shape that bends inwards, and another is outside bending, and these some welding foots are for cooperating the position of circuit board welding; Respectively the side of this storage tank is provided with one and is inserted into contact opening in this slot for the contact point of contact feet by this contact opening, and is provided with one and cooperates and locate the stopper section at this contact feet top with the contact feet top, and it is located at the top of this contact opening; The two side of this storage tank bottom be provided with for stretching out respectively one with the be fixed slot of this contact feet of this contact feet double-vane, it is characterized in that: this contact feet, the top on its top are provided with a narrower top ends; This storage tank, its back side is provided with a slit, and this slit equates with the width of this top ends is rough, forms this top ends at the inner removable frame of this slit; This slit extend to the top of this body by the bottom of this body, and its inner surface is the plane that is straight; The cross-sectional width of aforesaid storage tank and slit bottom is the cross sectional shape greater than its top, and utilizes a formwork heart to be shaped to one by the bottom insertion of this body, and can avoid the inner burr that produce of this storage tank; This body is at the spacing shape for strengthening of the spacing between this storage tank respectively, and this base side wall part is that width strengthens shape, and institute is so that this body has preferable structural strength, and is difficult for generation flexural deformation.

The purpose of this utility model also can further be realized by following technical measures.

Aforesaid high density expansion slot connector, its side of the double-vane of wherein said contact feet is provided with several barbs.

Aforesaid high density expansion slot connector, its width of the double-vane of wherein said contact feet is the width that is slightly less than slot two side bottoms.

Aforesaid high density expansion slot connector, the contact feet of the contact feet of wherein said inner bending shape and outer bending is arranged in this storage tank with staggered structure at interval for the welding position that cooperates circuit.

Aforesaid high density expansion slot connector, its width of wherein said slit is less than the width of storage tank.

Aforesaid high density expansion slot connector, its width of wherein said slit is slightly larger than the width of contact feet top ends, can hold this contact feet top ends and move in this slit.

The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the high density expansion slot connector of the utility model novel structure, it mainly is that space structure form at the contact feet storage tank of the contact feet of the female case of the utility model and expansion slot is improved, it comprises: one has the body of a slot, and two rows storage tank arranged side by side; A most contact feet are inserted among these some storage tanks, and it is provided with a top, and a contact point, a double-vane and are connected in the welding foot of this double-vane below.This storage tank bottom is provided with a criss-cross slot, and in order to engage with the double-vane of this contact feet, to fix this contact feet, it is characterized in that: the top on this its top of contact feet is provided with a narrower top ends; Its back side of this storage tank be provided with one with the rough wide slit of this top ends, can move in that this slit is inner for this top ends.The cross sectional shape of aforesaid storage tank and slit inserts in addition moulding for utilizing a formwork heart by this body bottom, and can avoid the inside of this storage tank to produce burr, and makes this body have preferable structural strength.

In sum, the utility model can increase body intensity, make it when further improving contact feet density, can also make this body keep enough intensity, and the space structure form of this storage tank is simplified, its employed mould structure is simplified, be difficult for producing the size distortion error, and can avoid the generation of these ccontaining inner burr, can improve the acceptance rate that this high density expansion slot connector is manufactured, has simple structure, structural strength is good, shape is simplified, make simple effect, can reduce the defective products rate of product, and have the effect of saving material cost, thereby be suitable for practicality more, no matter it structurally or all have on the function significantly and to improve, really is a novelty, progressive, practical new design.

Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is a kind of section of structure of existing expansion slot connector.

Fig. 2 is existing expansion slot connector and combining structure profile in order to the upper and lower mould heart of this expansion slot connector of moulding.

Fig. 3 is the sectional axonometric drawing of the utility model high density expansion slot connector.

Fig. 4 is the stereogram one of the used pin of the utility model high density expansion slot connector.

Fig. 5 is the stereogram two of the used pin of the utility model high density expansion slot connector.

Fig. 6 is the combining structure profile of the utility model high density expansion slot connector.

Fig. 7 is that an expansion board inserts the combining structure profile under the utility model high density expansion slot connector state.

Fig. 8 is the vertical view of the expansion slot body of the utility model high density expansion slot connector.

Fig. 9 is the utility model high density expansion slot connector and combining structure profile in order to the upper and lower mould heart of this expansion slot connector of moulding.

Figure 10 is the stereogram of the used contact feet of the utility model high density expansion slot connector.

Below in conjunction with accompanying drawing and preferred embodiment, to according to its concrete structure of high density expansion slot connector, feature and the effect thereof that the utility model proposes, describe in detail as after.

See also shown in Figure 3, the high density expansion slot connector of the utility model novel structure, it mainly comprises: a body 10, it is the cuboid that utilizes plastics to make, its central authorities are provided with a slot 11 along its length direction, be inserted in wherein for expansion board, and the dual-side at slot 11 is respectively equipped with two rows storage tank 12 arranged side by side, respectively this storage tank 12 is for being rectangle, and its inner side edge is provided with contact opening 13, use for the contact point 14 of the contact feet 17 of this expansion slot connector and stretch into the inside of slot 11, so that the circuit junction of contact point 14 and expansion board contacts by this contact opening 13.The outer side edges of storage tank 12 is provided with a slit 12b, this slit 12b is for vertically being extended to the top of body 10 by the bottom of body 10, and its width is less than the width of storage tank 12, simultaneously its with the two side of storage tank 12 junctions for respectively to the both sides extension be provided with a slot 16, in order to engage contact feet 17.The head portion of storage tank 12 is provided with a stopper section 15 in addition, is positioned among the storage tank 12 in order to the first half with contact feet 17.

Among each storage tank 12, can be inserted in wherein for contact feet 17, the first half of this contact feet 17 is in order to contacting with the contact of expansion board, and its Lower Half is in order to fixedly to be welded on the circuit board.

See also Fig. 4, shown in Figure 5, the upper end of contact feet 17 is provided with a top 18, and the both sides of its middle body are respectively equipped with an outward extending double-vane 20, be connected with welding foot 21A curved in the bottom of this double-vane 20, or connect an ectotropic welding foot 21B, and the side of double-vane 20 is for to be provided with several barbs 22 with impact style.Top 18 is for becoming bending, and its projection forms aforesaid contact point 14, and it is provided with a narrower top ends 19 topmost.

In the present embodiment, the contact feet 17 of curved welding foot 21A in will be provided with, and be provided with the contact feet 17 of the welding foot 21B of excurvation is arranged among this storage tank 12 with staggered frame mode at interval, to cooperate the welding position of circuit.

See also shown in Figure 6, this contact feet 17 is for being inserted among the storage tank 12, and it inserts after this storage tank 12, the top ends 19 on its top 18 is resisted against the bottom surface of stopper section 15, and contact point 14 is protruded among the slot 11 by contact opening 13, and double-vane 20 is for to be inserted among the slot 16 of storage tank 20 bottoms.Because double-vane 20 which is provided with barb 22, therefore can block the madial wall of slot 16, and double-vane 20 can be fastened among the slot 16 by this barb 22.

The double-vane 20 of aforesaid contact feet 17, its width are the width that is slightly less than 16 liang of side bottoms of slot, in order to avoid contact feet 17 inserts after the storage tank 12, the side of its double-vane 20 compresses the bottom of slot 16 both sides, and makes body 10 bear pressure and bending.

See also shown in Figure 7ly, after an expansion board 30 was inserted slots 11, the top 18 of contact feet 17 can be compressed by expansion board 30, and is strutted toward both sides, therefore made the displacement that the top ends 19 on top 18 produces towards storage tank 12 outsides.

For the space of top ends 19 displacements is provided, also be provided with a slit 12b in the outside of storage tank 12, this slit 12b is the top that is always extended to body 10 by the bottom of body 10, and its width is slightly larger than the width of top ends 19, moves among this slit 12b so can hold top ends 19.

Above-mentioned structure spare is combined, promptly constitute this use novel high-density expansion slot connector, its main feature is that the top 18 of contact feet 17 is provided with a top ends 19, and the width of top ends 19 is less than the width on contact feet 17 tops 18, therefore as long as less space just can provide the space of top ends 19 displacements, so that storage tank 12 can utilize narrower slit 12b to hold this top ends 19.

See also shown in Figure 8ly,, and can keep more material because the width of slit 12b is less than the width of storage tank 12, thereby makes the spacing width of body 10 between each storage tank 12 to strengthen; Simultaneously slit 12b is with the function of location assembly jig drift, and institute is not so that need additionally to be provided with the guide hole of the aforementioned assembly jig drift of guiding again on the body 10, therefore makes the thickness increase of sidewall sections of body 10.Owing to above reason, make expansion slot body of the present utility model have splendid structural strength, and make this expansion slot body be not easy fracture and difficult generation flexural deformation that the defective products rate of its product also can reduce significantly simultaneously.And if the density of the contact feet of interface card bus-bar further improves in the future, expansion slot body of the present utility model also can also keep enough structural strengths.

See also shown in Figure 9ly, be structure in order to the mould heart 30 of moulding storage tank 12 of the present utility model.This mould heart 30 comprises: two latches 31, this latch 31 is respectively equipped with: a sheet part 32, its cross sectional shape is identical with the cross sectional shape of storage tank 12, and the back side of sheet part 32 is provided with thin backboard portion 33, this backboard portion 33 is identical cross sectional shape with aforesaid slit 12b, and this sheet part 32 and backboard portion 33 mutually the two sides of junction for outwards extending the protuberance 34 of a strip projectedly, in order to mold aforesaid slot 16.In addition, be provided with a guide end 35 that is piercing in body 10 tops on the top of latch 31.The latch 31 of the mould heart 30 inserts this body 10 by the below of body 10, and by the below demoulding of body 10.

The up-narrow and down-wide shape that is shaped as owing to storage tank 12 and slit 12b, and the surface of this storage tank 12 and slit 12b is all straight plane, therefore make the shape of the mould heart 30 to simplify significantly, and can be by the single direction demoulding, institute so that the utility model expansion slot connector only need a formwork heart 30 just can moulding this storage tank 12 and slit 12b, therefore make storage tank 12 when moulding, can not produce burr or the bad situation of dimensional accuracy takes place because of the error of the mould heart 30 cooperations.

See also shown in Figure 10, the contact feet 17 that the utility model is used, it is to utilize sheet metal to strike out a continuous strip 40, earlier contact feet 17 is sheared off by strip 40 upper punches when contact feet 17 is assembled with body 10, and then utilizes assembly jig to be inserted among the storage tank 12.

Claims

1, a kind of high density expansion slot connector, it comprises:

One body is cuboid, is provided with a slot for the expansion board insertion along its length direction, is provided with two rows storage tank arranged side by side in the both sides of this slot;

Most contact feets are inserted among these some storage tanks, and it is provided with the welding foot that double-vane and that a top, a contact point, be connected in this contact point below is connected in this double-vane below;

Respectively the welding foot one of this contact feet bottom props up and is the shape that bends inwards, and another is outside bending, and these some welding foots are for cooperating the position of circuit board welding;

Respectively the side of this storage tank is provided with one and is inserted into contact opening in this slot for the contact point of contact feet by this contact opening, and is provided with one and cooperates and locate the stopper section at this contact feet top with the contact feet top, and it is located at the top of this contact opening;

The two side of this storage tank bottom be provided with for stretching out respectively one with the be fixed slot of this contact feet of this contact feet double-vane;

It is characterized in that:

This contact feet, the top on its top are provided with a narrower top ends;

This storage tank, its back side is provided with a slit, and this slit equates with the width of this top ends is rough, forms this top ends at the inner removable frame of this slit;

This slit extend to the top of this body by the bottom of this body, and its inner surface is the plane that is straight;

The cross-sectional width of aforesaid storage tank and slit bottom is the cross sectional shape greater than its top, and utilizes a formwork heart to be shaped to one by the bottom insertion of this body; This body is at the spacing shape for strengthening of the spacing between this storage tank respectively, and this base side wall part is that width strengthens shape.

2, high density expansion slot connector according to claim 1 is characterized in that its side of double-vane of described contact feet is provided with several barbs.

3, high density expansion slot connector according to claim 2 is characterized in that its width of double-vane of described contact feet is the width that is slightly less than slot two side bottoms.

4, high density expansion slot connector according to claim 3 is characterized in that the contact feet of described inner bending shape and the contact feet of outer bending are arranged in this storage tank with staggered structure at interval for the welding position that cooperates circuit.

5, high density expansion slot connector according to claim 4 is characterized in that the width of its width of described slit less than storage tank.

6,, it is characterized in that its width of described slit is slightly larger than the width of contact feet top ends according to the described high density expansion slot of arbitrary claim connector in the claim 1 to 5.