CN2648630Y

CN2648630Y - Socket type connector

Info

Publication number: CN2648630Y
Application number: CNU032798989U
Authority: CN
Inventors: 陈万添
Original assignee: DRAGON TOP ELECTRONIC Co Ltd
Current assignee: WonTen Tech Co Ltd
Priority date: 2003-09-23
Filing date: 2003-09-23
Publication date: 2004-10-13
Anticipated expiration: 2013-09-23

Abstract

The utility model relates to a socket connector, comprising a plurality of terminals and a connector body. Wherein, a plurality of terminal jacks are positioned in the connector body to be inserted by the terminals. Each terminal bends to form a holding part and a fixture part. The holding part forms a claw-shaped detaining part upward and the end of the fixture part forms an L-shaped welding part. When each terminal is put into the terminal jack in the connector body, the claw-shaped detaining part can hold the guide tablet of a plane grid array chip module and the L-shaped welding part is welded to a printed circuit board to form electrical connection.

Description

The female type connector

Technical field

The utility model relates to a kind of female type connector, utilizes the terminal appearance of particular design, make this terminal insert terminal jacks after, the one end can be accepted the guide card of chip module, and end can be welded on the printed circuit board (PCB) plate and forms and be electrically connected in addition.

Background technology

Electric connector is widely used in the electronic equipment, so that interconnect different electronic equipments.Known electric connector comprises that several are in order to connect attached connector or for the terminal that is assemblied on the electronic equipment, to reach one in order to accommodate the insulating body of this several terminals.But because the growth at full speed of the microprocessor speed of service, urgent needs remove the terminal of microprocessor bottom, and to simplify the bottom surface, still must be noted that to be in contact with it at terminal really needs to set up a reliable interconnected relationship between the parts.

A kind of non-connection pin grid encapsulation (Leadless Grid Package that is called is arranged; LGP) microprocessor, this technology are also referred to as planar grid array (Land Grid Array; LGA).Planar grid array (LGA) connector generally uses with the chip module of push type, and realizes contacting of both conducting positions in the pressure mode between this connector and the chip module, and then reaches stable telecommunication transmission between the two.

See also Figure 13, commonly use on planar grid array (LGA) connector 9 and be inserted with a plurality of terminals that take the shape of the letter U 91, use to make being fixed on planar grid array (LGA) chip module 7 on the connector 9 in the mode of pushing.Its guide card 71 can touch the front end 911 of terminal 91, and terminal 91 terminal 912 then confession is welded on the printed circuit board (PCB) 8 (PCB), makes stable being electrically connected of formation between planar grid array (LGA) chip module 7 and the printed circuit board (PCB) 8 (PCB).

Yet, because planar grid array (LGA) chip module 7 is to be fixed on the connector 9 in the mode of pushing, cause this chip module 7 can be inhomogeneous during installing easily, and then influence be electrically connected by being pressed in terminal 91 its evenness of back and compression face.

Summary of the invention

The purpose of this utility model provides a kind of terminal appearance that utilizes particular design, after making each terminal insert terminal jacks, the one end can be accepted the guide card of chip module, significantly to improve and the evenness of LGA chip module compression face and the female type connector of contact-making surface.

In order to achieve the above object, a kind of female type connector that the utility model is set comprises a plurality of terminals and a connector main body.

Has the several terminals jack in this connector body, in being inserted in for a plurality of terminals.And each terminal system is bent to form carrier and holding parts.This carrier button that extends and form claw type that is inclined upwardly is held end, and these holding parts both sides are provided with continuous helical teeth, terminally forms L shaped welding ends.

By this, when each terminal is inserted terminal jacks in the connector body, the claw type button that carrier projects upwards is held the guide card that end can be accepted planar grid array (LGA) chip module, and the L shaped welding ends of holding parts end forms electrical connection for being welded on printed circuit board (PCB) (PCB) plate.

For ease of more deep understanding being arranged, with instantiation the utility model is elaborated below in conjunction with accompanying drawing to the utility model.

Description of drawings

Fig. 1 is the stereo appearance figure of the set terminal of the utility model embodiment;

Fig. 2 is the assembly exploded view of the utility model embodiment;

Fig. 3 is the stereo appearance figure of the utility model embodiment insulating base;

Fig. 3 a is the enlarged diagram of Fig. 3;

Fig. 4 is the stereo appearance figure of another angle of the utility model embodiment insulating base;

Fig. 5 is the vertical view after the utility model embodiment loam cake and fixed pawl are incorporated into underframe;

Fig. 6 is the stereo appearance figure after the utility model embodiment loam cake and fixed pawl are incorporated into underframe;

Fig. 7 is the user mode schematic diagram of the utility model embodiment connector body;

Fig. 8 is the view of guide card pressurized on terminal of the utility model embodiment chip module;

Fig. 9 is the view of cylindricality guide card pressurized on terminal of chip module;

Figure 10 is the view of spherical guide card pressurized on terminal of chip module.

Figure 11 is the local appearance exploded view that the utility model embodiment loam cake and underframe make up in another pivot joint mode;

Figure 12 is the local appearance figure after the utility model embodiment loam cake and underframe make up in another pivot joint mode;

Figure 13 is the view of guide card pressurized on terminal of commonly using chip module.

Description of reference numerals: 1 terminal; 11 carriers; 111 buttons are held end; 12 holding parts; 121 helical teeth; 122 welding endss; 2 connector bodies; 3 fixed pawls; 31 handgrips; 4 loam cakes; 41 front side edge; 411 U-shaped sheets; 412 U-shaped sheets; 413 lugs; 414 bosses; 42 back side edge; 421 compressing tablets; 422 compressing tablets; Limit, 43 left side; 431 flangings; 44 right edge; 441 flangings; 45 openings; 5 pedestals; 51 terminal jacks; 52 openings; 53 grooves; 54 portions of class; 55 locating pieces; 56 supporting parts; 6 underframes; 61 openings; 62 location notchs; 63 front side walls; 631 elongated openings; 632 elongated openings; 633 depressed parts; 634 bosses; 635 bosses; 636 axostylus axostyles; 64 rear walls; 641 perforation; 642 perforation; 643 flangings; 644 breach; 65 left side walls; 651 protruding eaves; 66 right side walls; 67 articulated parts; 7 chip modules; 71 guide cards; 8 printed circuit board (PCB)s; 9 connectors; 91 terminals; 911 front ends; 912 ends.

Embodiment

See also an embodiment of the utility model female type connector of Fig. 1～shown in Figure 8, it comprises several terminals 1 and a connector main body 2.

This several terminals 1 is respectively one-body molded, and each terminal 1 is bent to form carrier 11 and holding parts 12.This carrier 11 buttons that extend and form the claw type with three button pawls that are inclined upwardly are held end 111, and these holding parts 12 both sides are provided with continuous helical teeth 121, the terminal L shaped welding ends 122 that forms.

This connector body 2 is fixed in printed circuit board (PCB) 8 (PCB) and goes up (figure does not show), has several terminals jack 51 in it, is inserted in for above-mentioned several terminals 1.This connector body 2 comprises fixed pawl 3, a loam cake 4, an insulating base 5 and a underframe 6 of a L shape, wherein:

These fixed pawl 3 one ends form hook-shaped handgrip 31, and other holds the body of rod to form the curved of a continuous bending.

This loam cake 4 has four sides in front, rear, left and right 41,42,43,44.Its and arranged on left and right sides limit 43,44 is to having flanging 431,441, and back side edge 42 is interval with arc compressing tablet 421,422 downwards, and loam cake 4 front side edge 41 are provided with the U-shaped sheet 411,412 at two intervals, and 411,412 of this two U-shapeds sheets are provided with a lug 413 in addition.Be provided with opening 45 in loam cake 4 surfaces in addition.

This insulating base 5 has above-mentioned several to be irregular terminal jacks 51 to run through up and down and be formed at (as shown in Figure 3).These pedestal 5 central parts are provided with opening 52, and inwardly are provided with the groove 53 of step shape around this pedestal 5, are positioned for planar grid array (LGA) chip module 7.These pedestal 5 bottoms are provided with a downward portion of class 54 (as shown in Figure 4), and these portion of class 54 both sides are provided with several locating pieces 55.And pedestal 5 front ends are provided with several supporting parts with cambered surface 56, when making loam cake 4 be articulated on the underframe 6, in order to support the U-shaped sheet 411,412 of loam cake 4 front ends.

This underframe 6 is incorporated into respectively with loam cake 4 for above-mentioned insulating base 5.Have opening 61 in the middle of this underframe 6, and these opening 161 both sides are provided with several location notchs 62.Upwards form four sidewalls in front, rear, left and right 63,64,65,66 around this underframe 6, be the disconnection shape between every two side.Wherein front side wall 63 is interval with two elongated openings 631,632, and to form articulated part 67, two U-shaped sheets, 411,412 doggings that supply aforementioned loam cake 4 front side edge 41 are in interior.Form W shape depressed part 633 in 631,632 of two elongated openings, then can keep supplying the lug 413 that covers 4 front side edge 41 and be placed in.Use and make loam cake 4 movable starting on underframe 6.And be respectively equipped with perforation 641,642 in the two ends of rear wall 64, rear wall 64 middle sections then inwardly form flanging 643, and this flanging 643 and 641,642 breach 644 that are depression of two perforation, above-mentioned fixed pawl 3 can be penetrated and be coupling in the perforation 641,642 at rear wall 64 two ends, but fixed pawl 3 in addition end form the arc compressing tablet 421,422 that curved body of rod hold-down cover is combined in loam cake 4 back side edge 43 on the underframe 6.Underframe 6 left side walls 65 outwards form protruding eaves 651 in addition, use the handgrip 31 that makes fixed pawl 3 and are pressed against protruding eaves 651 times.When upwards rotating the handgrip 31 of fixed pawl 3, but it holds curved body of rod pine oil by its arc compressing tablet that compresses 421,422 in addition, and loam cake 4 is started.

By this, after the combination, when each terminal 1 was inserted terminal jacks 51 in the connector body 2, the claw type button that terminal 1 carrier 11 projects upwards was held the guide card 71 that end 111 can be accepted planar grid array (LGA) chip module 7.And the L shaped welding ends 122 of holding parts 12 ends forms electrical connection (as shown in Figure 8) for being welded on the printed circuit board (PCB) 8 (PCB).

During assembling, please join Fig. 1～Fig. 8 again, at first the holding parts 12 with terminal 1 is inserted on the terminal jacks 51 of insulating base 5 in regular turn.Because it is irregular up and down on pedestal 5 that terminal jacks 51 is, thus after making terminal 1 insertion, but helical teeth 121 snap fit of terminal 1 holding parts 12 both sides in terminal jacks 51, the carrier 11 of terminal 1 then protrudes in outside the pedestal 5.The insulating base 5 that will be plugged with several terminals 1 again places in the underframe 6, makes the downward set locating piece 55 in portion of class 54 both sides in pedestal 5 bottoms, and correspondence is embedded on the set location notch 62 in underframe 6 openings 61 both sides.Again loam cake 4 is placed on the pedestal 5, make two U-shaped sheets 411,412 of loam cake 4 front side edge 41 can distinguish dogging in two elongated openings 631,632 of underframe 6 front side walls 63, and the lug 413 of loam cake front side edge can be placed on the W shape depressed part 633 of 631,632 of two elongated openings.And pedestal 5 front ends are provided with the U-shaped sheet 411,412 that loam cake 4 front ends just can be supported in several supporting parts with cambered surface 56, use to make loam cake 4 movable starting on underframe 6.The curved part that at last fixed pawl 3 one ends is formed continuous bending penetrates in the perforation 641,642 at underframe 6 rear walls 64 two ends, and fixed pawl 3 in addition the handgrip 31 of end can be pressed against the protruding eaves 651 times of underframe 6 left side walls 65, so promptly form a female type connector.

During enforcement, upwards rotate the handgrip 31 of fixed pawl 3, but make it hold curved body of rod pine oil in addition, and make loam cake 4 start (as shown in Figure 7) by its arc compressing tablet that compresses 421,422.Treat that planar grid array (LGA) chip module 7 is placed in after the insulating base 5,, and the handgrip 31 of fixed pawl 3 is pressed against the protruding eaves 651 times of underframe 6 left side walls 65 again with loam cake 4 downward pressings.

Owing to be inserted in terminal 1 on the pedestal 5, its carrier 11 buttons that extend and form the claw type with three button pawls that are inclined upwardly are held end 111.So make no matter the guide card 71 of chip module 7 is designs (as Fig. 9, shown in Figure 10) such as sphere, cylindricality, all can firmly be contained in button and hold and hold in 111, make the evenness and the contact-making surface that can significantly improve after the assembling with chip module 7 compression faces.

In addition, in the pivot joint of loam cake 4 and underframe 6, see also Figure 11, Figure 12, the utility model also can be provided with a boss 414 with the front side edge 41 of loam cake 4 in the middle section, and the front side wall 63 of underframe 6 also is respectively equipped with boss 634,635 corresponding to boss 414 both sides of loam cake 4 front side edge 41.Use an axostylus axostyle 636 is penetrated after, front side edge 41 same movable the starting on the front side wall 63 of underframe 6 of loam cake 4.

Therefore, the utlity model has following advantage:

1, the set terminal of the utility model, its carrier buttons that extend and form the claw type with three button pawls that are inclined upwardly are held end, make no matter the guide card of chip module is designs such as circle, cylindricality, all can firmly be contained in button holds in the end, can significantly improve evenness and contact-making surface with the chip module compression face after the assembling, make chip module obtain preferable horizontal contact force and increase the Mechanical Contact performance and be electrically connected effect.And the holding parts of terminal can firmly be snapped in the terminal jacks terminal by the helical teeth design of both sides.

2, the connector body established of the utility model, it is simple in structure, assembling is easy, utilizes the curved design of fixed pawl one end, make when rotating fixed pawl up and down can with pine oil with compress the loam cake that is covered on the pedestal.

The above, only in order to disclosing the enforceable aspect of the utility model, when can not be in order to limit scope of the present utility model, all those skilled in the art obviously can do to change and modification, all should be considered as not deviating from flesh and blood of the present utility model.

Claims

1, a kind of female type connector, for gripping planar grid array (LGA) chip module, and be with printed circuit board (PCB) (PCB) and be electrically connected, this female type connector comprises several terminals and a connector main body, wherein have a plurality of terminal jacks in this connector body, plant for several terminals; It is characterized in that:

Each terminal is bent to form carrier and holding parts, this carrier button that extends and form claw type that is inclined upwardly is held end, and to accept the LGA chip module, the holding parts both sides are incorporated in the terminal jacks, and the end of holding parts forms L shaped welding ends, is incorporated on the printed circuit board (PCB).

2, female type connector as claimed in claim 1, wherein this connector body is fixed on the printed circuit board (PCB) (PCB), and comprises:

The fixed pawl of one L shape, its body of rod one end forms hook-shaped handgrip, and end forms the curved of a continuous bending in addition;

One loam cake has four sides in front, rear, left and right, and its and arranged on left and right sides limit is to having flanging, and back side edge is interval with the arc compressing tablet downwards, is provided with opening in last cap surface in addition;

One insulating base, above-mentioned several terminals jack is formed on the pedestal, and this pedestal central part is provided with opening, and inwardly is provided with the groove of step shape around this pedestal, is positioned for planar grid array (LGA) chip module;

One underframe, be incorporated into respectively for above-mentioned insulating base and loam cake, has opening in the middle of this underframe, and at least one side of this opening is provided with several location notchs, and before upwards forming around the underframe, after, a left side, right four sidewalls, be the disconnection shape between every two side, wherein front side wall is provided with articulated part, the front side edge of keeping supplying lid is articulated in, and be respectively equipped with perforation in the two ends of rear wall, the rear wall middle section then inwardly forms flanging, and the breach that is depression between this flanging and two perforation, above-mentioned fixed pawl penetrates and is coupling in the perforation at rear wall two ends, but fixed pawl holds the curved body of rod hold-down cover of formation to be combined in the arc compressing tablet of the loam cake back side edge on the underframe in addition, and the underframe left side wall outwards forms protruding eaves in addition, the handgrip of fixed pawl is pressed against under the protruding eaves, upwards rotate the handgrip of fixed pawl, it holds curved body of rod pine oil by its arc compressing tablet that compresses in addition, and loam cake is started.

3, female type connector as claimed in claim 2, wherein the loam cake front side edge is provided with the U-shaped sheet at two intervals, and be provided with a lug in addition between this two U-shapeds sheet, the underframe front side wall is interval with two elongated openings, form above-mentioned articulated part with this, keep supplying cover front side edge two U-shaped sheet doggings in interior, and between two elongated openings, form W shape depressed part, keep supplying the lug that covers front side edge and be placed in.

4, female type connector as claimed in claim 2, wherein the front side edge of this loam cake is provided with a boss in the middle section, and the front side wall of underframe is respectively equipped with boss corresponding to the boss both sides of loam cake front side edge, forms above-mentioned articulated part.

5, female type connector as claimed in claim 2, wherein base bottom is provided with a downward portion of class, and these portion of class both sides are provided with several locating pieces, and correspondence is embedded on the set location notch in above-mentioned opening both sides.

6, female type connector as claimed in claim 2, wherein this pedestal front end is provided with the supporting part that several have cambered surface, when loam cake is articulated on the underframe, in order to support the U-shaped sheet of loam cake front end.

7, female type connector as claimed in claim 1, wherein this terminal jacks is irregular up and down on connector body, and the both sides of terminal holding parts are provided with continuous helical teeth, and after terminal inserted, the helical teeth snap fit of its holding parts both sides was in jack.

8, female type connector as claimed in claim 1, wherein this button hold end have at least three the button pawls.

9, female type connector as claimed in claim 1, wherein each terminal is one-body molded.