CN2238490Y

CN2238490Y - High terminal density integrated circuit connector

Info

Publication number: CN2238490Y
Application number: CN 95220737
Authority: CN
Inventors: 陈顺兴
Original assignee: 蔡周旋
Priority date: 1995-08-17
Filing date: 1995-08-17
Publication date: 1996-10-23
Anticipated expiration: 2005-08-17

Abstract

The utility model relates to an integrated circuit connector with high terminal density. The utility model comprises a connecting seat, first terminals and second terminals, wherein, the corresponding sides of the connecting seat are provided with slots which are arranged horizontally, the bottom of each slot is provided with perforations, and horizontal and vertical distances are arranged between the adjacent perforations at the same side of the connecting seat; the first and the second terminals are arranged in the adjacent perforations in pairs, the connecting pin parts of the two terminals are separately and downwards bent at a front end and a back end below a winding part, the connecting pin parts of the first and the second terminals have horizontal and vertical distances, and the connecting pin parts are separately threaded out from the adjacent perforations. A longer distance is arranged between the connecting pin parts of the adjacent terminals, and therefore, a short-circuit phenomenon can be avoided.

Description

The integrated circuit connector of high terminal density

The utility model relates to a kind of integrated circuit connector, particularly relates to a kind of center distance that increases the sub-pin of two abutting ends portion, the circuit connector of the high terminal density of short circuit when avoiding using.

The integrated circuit that precision is high (hereinafter to be referred as IC) is on connecting, be on circuit board, to weld an IC connector earlier, again IC is connected on this IC connector, as shown in Figure 1, be a kind of IC connector in the past, this IC connector comprises a Connection Block 11 and several terminals 12, two corresponding long limits of Connection Block 11 are provided with slot 111, the center distance of each adjacent slot 111 is 2.54mm (this spacing be the IC of 2.54mm in order to cooperate the pin spacing), and each same position place, outer end, slot 111 bottom surface is provided with a perforate that passes for the pin portion 123 of terminal 12.Each terminal 12 is inserted in each slot 111, comprise a location division 121, a pitch of the laps portion 122 and a pin portion 123, location division 121 is wide slightly, so that locate with slot 111 packings, the tail end tool of pitch of the laps portion 122 flexibly is resisted against location division 121, pin portion 123 is stamped out by these pitch of the laps portion 122 leading portions, again bending downwards and being in line with location division 121.

As shown in Figure 2, in the time will connecting IC, insert in each slot 111 with its pin 15, just can be by the pitch of the laps portion 122 tail end clampings location of each terminal 12.

In order to cooperate short and small frivolous electrical equipment and notebook computer, the precision of IC constantly promotes, and develops into the higher IC of pin density gradually, makes the volume-diminished of IC, developed at present the middle density IC that the pin spacing is 1.78mm, more desire development pin spacing is the high density IC of 1.27mm.

Technology with present IC connector, because constituting the straight line row of same position, puts the pin of each terminal, as shown in Figure 3, if the center distance of the sub-pin of two abutting ends portion 124 is 1.78mm, and jack 13 apertures on the circuit board are about 1mm (jack on the circuit board must be bigger than the pin portion of terminal, and terminal pins portion is combined with circuit board), and so two jacks 13 on the circuit board are spaced apart 0.78mm, suitable personal distance is arranged, do not have problem in the use.But, as shown in Figure 4, for high terminal density IC connector, the center distance of the sub-pin of two abutting ends portion 124 ' is 1.27mm, then adjacent jack 13 ' has only 0.27mm at interval on the circuit board, so too approaching, after welding, be easy to cause short circuit, the IC subject matter in the use of present high pin density that Here it is, therefore, the connector of high terminal density designs to increase the center distance of the sub-pin of two abutting ends portion, is exactly technology emphasis of the present utility model.

The purpose of this utility model is to provide the integrated circuit connector of the big high terminal density of the center distance of the sub-pin of a kind of two abutting ends portion, to avoid causing short circuit phenomenon.

The integrated circuit connector of high terminal density of the present utility model, comprise a Connection Block and several terminals, two corresponding sides of this Connection Block are provided with the slot that arrange the horizontal interval, each slot bottom surface is provided with a perforation, and described terminal is inserted each slot respectively, and each terminal comprises a location division, a pitch of the laps portion and a pin portion, pitch of the laps portion is by lower end, the location division pitch of the laps that makes progress, pitch of the laps portion tail end is flexibly against the location division, and pin portion is bent downwards by pitch of the laps portion, it is characterized in that:

The odd number row's of described Connection Block the same side perforation and even numbers row's perforation are staggered, and have level and vertical interval between adjacent single, double row's perforation;

Described terminal is divided into two kinds of first and second terminals, has a vertical interval, and is passed by the perforation of adjacent single, double several rows of sockets respectively.

The integrated circuit connector of described high terminal density is characterized in that:

Described first and second terminal integrated punching goes out, and cooperates described Connection Block slot to arrange at interval and puts.

The pin portion of described the first terminal bends downwards in the lower front end of pitch of the laps portion, and the pin portion of second terminal bends downwards in the rear end, below of pitch of the laps portion.

The pin portion of described second terminal is bent downwards by its lower end, location division to pitch of the laps portion front end; The pin portion of the first terminal bends downwards in its pitch of the laps portion rear end.

The integrated circuit link road of described high terminal density is characterized in that, the described second terminal pin portion is that a subordinate holds to pitch of the laps portion leading portion integrated punching by it.

Effect of the present utility model is as follows:

The integrated circuit connector of high terminal density of the present utility model, being crisscross arranged of the adjacent perforated of this Connection Block slot of mat, and first and second terminal that cooperates perforation spacings, can increase the center distance of the sub-pin of two abutting ends portion really, avoid using and cause short circuit phenomenon.

Be elaborated below by most preferred embodiment and accompanying drawing integrated circuit connector to high terminal density of the present utility model, in the accompanying drawing:

Fig. 1 is the stereogram that in the past hanged down the integrated circuit connector of terminal density.

Fig. 2 is the user mode figure that in the past hanged down the integrated circuit connector of terminal density.

Fig. 3 be in the past in the integrated circuit connector of terminal density when being welded in circuit board, the schematic diagram of terminals of adjacent pin portion spacing.

Fig. 4 is the integrated circuit connector of high terminal density in the past when being welded in circuit board, the schematic diagram of terminals of adjacent pin portion spacing.

Fig. 5 is the assembled sectional view of the utility model first preferred embodiment.

Fig. 6 is the vertical view of Connection Block in the utility model first preferred embodiment.

Fig. 7 is the front view of terminal in the utility model first preferred embodiment.

Fig. 8 is the cutaway view of the first terminal in the utility model first preferred embodiment.

Fig. 9 is the sectional view of second terminal in the utility model first preferred embodiment.

Figure 10 is the schematic diagram of the utility model terminals of adjacent pin spacing when being welded in circuit board.

Figure 11 is the vertical view of Connection Block in the utility model second preferred embodiment.

Figure 12 is the cutaway view of the first terminal in the utility model the 3rd preferred embodiment.

Figure 13 is the cutaway view of second terminal in the utility model the 3rd preferred embodiment.

Shown in Fig. 5,6, the utility model first embodiment is that a cooperation pin center distance is the connector of 1.27mm integrated circuit, and connector comprises a Connection Block 2, several the first terminals 3 and second terminal 4.

As shown in Figure 6, Connection Block 2 front and back two corresponding sides are provided with the slot 21 that arrange the horizontal interval, the center distance of two adjacent slots 21 is 1.27mm, each slot 21 bottom surface is provided with a perforation, odd number row's perforation 22 is located at slot 21 bottom lands near the place, outer end, even numbers row's perforation 23 is located at slot 21 bottom lands near inner place, and adjacent single, double number row's

perforation

22,23 centers also have the vertical interval of 1.27mm.

As shown in Figure 7, first, two-

terminal

3,4 with the sheet metal integrated punching go out together with a strip 5 and the socket center of being connected at interval a 1.27mm arrange, cooperate Fig. 8, shown in 5, the first terminal 3 comprises a location division 31, a pitch of the laps portion 32 and a pin portion 33, location division 31 broads, can with slot 21 packings, pitch of the laps portion 32 is by 31 lower ends, the location division pitch of the laps that makes progress, and tail end 321 is flexibly against the location division 31, pin portion 33 bends downwards when stamping out to lower front end by pitch of the laps portion 32 leading portions, form an opening 34 in the pitch of the laps portion 32, the first terminal 3 is installed in odd number rows of sockets 21, and pin portion 33 is passed by perforation 22.As shown in Figure 9, second terminal 4 similarly is provided with location division 41, pitch of the laps portion 42 and pin portion 43, pin portion 43 bends downwards when stamping out to the rear end, below by these pitch of the laps portion 42 leading portions, form an opening 44 in the pitch of the

laps portion

42,33,43 in the pin portion of first and second

adjacent terminal

3,4 has the vertical interval of 1.27mm, second terminal 4 is installed in even numbers rows of sockets 21, and pin portion 43 is passed by perforation 23.

By above structure, first of present embodiment, two-

terminal

3,4 go out together with strip 5 integrated punchings in design, level interval except between terminal is the 1.27mm, first, the pin portion 33 of two-terminal, 43 also become the vertical interval of 1.27mm, so can one time permutation be assembled in the slot 21 of permutation of Connection Block 2, very fast convenience in the assembling, and, can make two adjacent pin portions of horizontal interval two abutting end have the hypotenuse lengthening effect of level interval and vertical interval simultaneously, in short and small frivolous part, owing to draw back the pin portion distance of two abutting end, avoid having in the use the phenomenon of short circuit.

As shown in figure 10, present embodiment terminals of adjacent center distance is that the design of 1.27mm can reach the safe distance in the use, and the centre distance of the

pin portion

33,43 of two adjacent first and

second terminals

3,4 is 1.27 ²+ 1.27 ²=1.8mm, and jack 16 apertures of circuit board are 1.0mm, the interval of two jacks 16 like this still has 0.8mm, identical apart from effect with the middle density IC connector of 1.78mm spacing in the past.Therefore, the utility model can reach the effect of the pin portion of terminals of adjacent apart from lengthening, and the IC that has solved high pin density produces short phenomenon in the use because of the pin center distance is too small.

The foregoing description is first embodiment of the present utility model, the pitch of the laps portion of first and second terminal of the present utility model also can be provided with bigger,

pin portion

33,43 vertical ranges as first and

second terminal

3,4 are 1.905mm or 2.54mm, vertical range is 1.27mm, 1.905mm (being 3/4 inch) or 2.54mm (this is an imperial sizing), certainly also can be designed to metric size such as horizontal range is 1.25mm, and vertical range is 1.25mm or 2.50mm.

As shown in figure 11, be the utility model second preferred embodiment, on the odd number rows of sockets 61 of Connection Block 6 both sides, wherein the perforation 62 of a side is located near the place, outer end, 63 of the perforation of opposite side are located near inner place, and the perforation of even numbers rows of sockets 61 also the set-up mode with the perforation 62 of odd number rows of sockets 61 is identical, but jack 62, the 63 set positions of the adjacent single, double several rows of sockets 61 in the same side are staggered, make 6 one-tenth of Connection Blocks symmetrical up and down, more convenient when making the assembling terminal.

Shown in Figure 12,13, be respectively the cutaway view of first and second terminal of the utility model the 3rd preferred embodiment, the pin portion 83 of second terminal 8 is by another direction, just location division 81 hypomeres to pitch of the laps portion 82 leading portions stamp out, with the vertical range of the pin portion 73 of the first terminal 7 be 1.905mm.

Claims

1, a kind of integrated circuit connector of high terminal density, comprise a Connection Block and several terminals, two corresponding sides of this Connection Block are provided with the slot that arrange the horizontal interval, each slot bottom surface is provided with a perforation, and described terminal is inserted each slot respectively, and each terminal comprises a location division, a pitch of the laps portion and a pin portion, pitch of the laps portion is by lower end, the location division pitch of the laps that makes progress, pitch of the laps portion tail end is flexibly against the location division, and pin portion is bent downwards by pitch of the laps portion, it is characterized in that:

2, the integrated circuit connector of high terminal density according to claim 1 is characterized in that:

3, the integrated circuit connector of high terminal density according to claim 1 is characterized in that:

4, the integrated circuit connector of high terminal density according to claim 1 is characterized in that:

5, the integrated circuit link road of high terminal density according to claim 1 is characterized in that, the described second terminal pin portion is that a subordinate holds to pitch of the laps portion leading portion integrated punching by it.