CN2629266Y

CN2629266Y - Electric connector

Info

Publication number: CN2629266Y
Application number: CN 03251162
Authority: CN
Inventors: 马浩云
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-05-19
Filing date: 2003-05-19
Publication date: 2004-07-28
Anticipated expiration: 2013-05-19

Abstract

The utility model discloses an electrical connector between an electrical connection chip and a printing circuit board, and consists essentially of a square base body, a plurality of conductive terminals accommodated inside the base body, a plate articulated with one side of the base body, and a holder device that is arranged the other end of the base and opposite to the plate. The holder device includes a driving rod, a connecting rod and a handle. The handle is provided with an extending section that bents and extends from the position of the connecting rod, and the position closely connected with the extending section is provided with a first rod, a second rod parallel to the first rod, a connecting section of the second rod. The first rod, the second rod and the connecting section share the same plane. When the electrical connector is closed, the plane is parallel to the printing circuit board, and the distance from the plane to the circuit board is larger than that from the connecting rod to the circuit board; therefore, the operational space of the holding device is increased, and the operational performance is also enhanced correspondingly.

Description

Electric connector

[technical field]

The utility model refers to a kind of electric connector of the holding unit that can improve in order to the tool that electrically connects chip module and printed circuit board (PCB) especially about a kind of electric connector.

[background technology]

The increasingly extensive electronic applications that is applied to of LGA (Land Grid Array) electric connector, it is in order to be electrically connected to printed circuit board (PCB) with chip module, as promptly disclosing this kind technology in " Nonlinear Analysis Helps Design LGAConnectors " (Connector Specifier, February 2001).See also Fig. 1, be depicted as a kind of existing electric connector 6, it comprises matrix 63, be contained in the matrix 63 more than a conducting terminal (not shown), the holding unit 62 and the pressing plate 64 that are connected with group with this matrix 63, wherein a side of matrix 63 is provided with projection 630, holding unit 62 comprises hinged arm 620, bent rod 622 and connecting rod 624, this connecting rod 624 and projection 630 are in matrix 63 the same sides and can rotate between horizontal level and vertical position, and driving bent rod 622 rotations simultaneously, this pressing plate 64 is provided with pressure-bearing portion 640.When this electric connector 6 and chip module (not shown) when being connected with group, chip module is positioned on the matrix 63, pressing plate 64 is against on the chip module, the connecting rod 624 that rotate holding unit 62 this moment is snapped in projection 630 until connecting rod 624, make bent rod 622 be closely buckled in the pressure-bearing portion 640 of pressing plate 64 thus, thereby guarantee the retain strength of pressing plate 64 extruding chip modules, and then guarantee electric connection stable between the two.

But when these electric connector 6 closures, the connecting rod 624 that is holding unit 62 promptly is horizontal, this connecting rod 624 is terminal less in order to distance between the part of spin-up connecting rod 624 and the circuit board near projections 630, therefore as operator during with connecting rod 624 spin-ups, because the operating space is too little, and make operator's finger very likely touch other element on circuit board or the circuit board and influence operation, or finger easily and projection 630 touch and cause problems such as operability is not good, even can cause operator's finger injuries.Therefore, be necessary to design a kind of improved electric connector.

[utility model content]

The utility model purpose is to provide a kind of electric connector, refers to that especially a kind of holding unit operating space that increases is beneficial to operator's operation and the preferable electric connector of its operability.

The utility model purpose is achieved in that the utlity model has the electric connector that improves holding unit mainly comprises matrix, be contained in a plurality of conducting terminals in this matrix, the pressing plate that is articulated in this matrix one end reaches the holding unit of being located at the matrix other end with respect to pressing plate, this holding unit comprises and drives bar, connecting rod and handle, this handle is provided with extension from connecting rod bending extension, be right after extension and be provided with first bar, second bar parallel and connect first bar with first bar, the connecting portion of second bar, this first bar, second bar and connecting portion coplane, and when electric connector is in closure state, this plane parallel arrives the distance of circuit board greater than connecting rod to the distance of circuit board in printed circuit board (PCB) and this plane, increase the holding unit operating space thus, and then improve its operability.

Compared with prior art, this is suitable for and has the following advantages: when electric connector was in closure state, the distance that arrives circuit board because of handle was greater than the distance of connecting rod to circuit board, thus the operating space that increases holding unit, be beneficial to operator's operation, thereby improve its operability.

[description of drawings]

Fig. 1 is the stereogram of the existing electric connector relevant with the utility model.

Fig. 2 is the three-dimensional exploded view of the utility model electric connector.

Fig. 3 is the stereogram that the utility model electric connector is in opening.

Fig. 4 is the stereogram that the utility model electric connector is in closure state.

Fig. 5 is the end view of Fig. 4.

[embodiment]

See also Fig. 2 and Fig. 3, electric connector 1 of the present utility model is in order to chip module 2 is electrically connected to printed circuit board (PCB) 3, and it comprises matrix 10, pressing plate 12 and holding unit 14.Matrix 10 is box structures, and the one end is the afterbody 102 that both sides are provided with solid pressure groove 1020, is provided with head 108 in these afterbody 102 relative sides, and these head 108 relative both sides are provided with pivot connected slot 1082, and are provided with dovetail groove 1080 in head 108 centre positions.Position male in matrix 10 1 sidewalls 106 close afterbodys 102 is provided with projection 1060, and this matrix 10 is provided with conduction region 104, and a plurality of terminal containing slots (not shown) that are provided with arranged in this conduction region 104 are in order to accommodate a plurality of conducting terminals (not shown).

Pressing plate 12 is approximately " returning " font, the buckle 120 that articulates with matrix 10 engagings that it is included in that the bending of one end is provided with and the pressure-bearing portion 122 of relative buckles 120 bendings, this pressing plate 12 can be in perpendicular to the position of matrix 10 and be parallel between the position of matrix 10 and rotate.

Please in conjunction with consulting Fig. 2 to Fig. 5, holding unit 14 is roughly L shaped, it comprise with matrix 10 articulate drive bar 140, with this drive connecting rod 142 that bar 140 approximate vertical extend and in connecting rod 142 terminal along and the handle 144 of 142 one-tenths certain angles of inclination extension settings of connecting rod, this connecting rod 142 can rotate between horizontal level and vertical position, and drives bar 140 and connecting rod 142 coplane settings.The bar 140 that drives of this holding unit 14 comprises hinged arm 1402 and the hinged arm 1402 middle bent rods 1404 that are provided with that protrude that are articulated in matrix 10, and there is certain drop with bent rod 1404 in this hinged arm 1402 in being parallel on connecting rod 142 directions.The handle 144 of holding unit 14 is roughly U-shaped, this handle 144 is from the bending of connecting rod 142 inclination certain angles and to being provided with extension 1440 away from driving bar 140 with connecting rod 142 place in-planes extensions, be right after extension 1440 be provided with first bar 1442, with second bar 1444 of first bar, 1442 opposing parallel and be connected the connecting portion 1446 of first bar 1442 and second bar 1444, first bar 1442, second bar 1444 and connecting rod 142 be arranged in parallel, and first bar 1442, second bar 1444 and connecting portion 1446 coplanes.When electric connector 1 was in closure state, the distance of circuit board 3 was arrived on first bar 1442, second bar 1444 and plane, connecting portion 1446 place greater than connecting rod 142 to the distance of circuit board 3.

When this electric connector 1 of assembling, first driving in the pivot connected slot 1082 that bar 140 is inserted in head 108 with holding unit 14, connecting rod 142 and handle 144 place matrix 10 to be provided with a side of projection 1060 simultaneously, and the buckle 120 with pressing plate 12 all penetrates in the solid pressure groove 1020 of being located at matrix 10 then.When using electric connector 1, chip module 2 to be placed horizontally in the conduction region 104 of matrix 10, the handle 144 that rotates holding unit 14 then drives the pressure-bearing portion 122 that the bent rod 1404 that drives bar 140 is tight against pressing plate 12, and pressure-bearing portion 122 is entered in the dovetail groove 1080, make handle 144 be fastened in projection 1060 belows connecting rod 142 rotations again, thereby guarantee the retain strength of pressing plate 12 firm chip modules 2.Because the distance of circuit board 3 is arrived on first bar 1442, second bar 1444 and plane, connecting portion 1446 place greater than connecting rod 142 to the distance of circuit board 3, increased the operating space of handle 144 thus, make the operator handle 144 engaged with projection 1060 or reducing its finger and projection 1060 staggered chances during spin-up, and can avoid the operator touch circuit board 3 and on other electric component and do not cause operability good even situations such as operator's finger injuries, pain are taken place.

Claims

1. an electric connector is in order to electrically connect chip module to printed circuit board (PCB), comprise matrix, the pressing plate that movably is installed on the matrix reaches the holding unit that movably is installed in matrix, this matrix is provided with the plurality of terminals accepting groove, be contained in the interior a plurality of conducting terminals of plurality of terminals accepting groove of matrix, it is characterized in that: the holding unit of this electric connector further comprises the bar that drives with the matrix pivot joint, drive the connecting rod of bar one end approximate vertical extension and the handle that extends by connecting rod with this, this handle comprises the extension by the bending of connecting rod inclination certain angle, extend the connecting portion of bending and second bar that extends by connecting portion by extension, and this connecting portion and the second bar coplane are provided with, when electric connector was closed, this plane parallel arrived the distance of circuit board greater than connecting rod to the distance of circuit board in circuit board and this plane.

2. electric connector as claimed in claim 1 is characterized in that: wherein the handle of the holding unit of this electric connector further comprises first bar that is between extension and the connecting portion.

3. electric connector as claimed in claim 2 is characterized in that: first bar of the handle of this electric connector is parallel to second bar.

4. electric connector as claimed in claim 1 is characterized in that: drive bar and comprise hinged arm and the middle bent rod that is provided with that protrudes of hinged arm that is articulated in matrix.

5. electric connector as claimed in claim 4 is characterized in that: the hinged arm of the holding unit of this electric connector and bent rod have certain displacement being parallel to the connecting rod direction.

6. electric connector as claimed in claim 1 is characterized in that: the connecting rod of the holding unit of this electric connector is parallel to second bar.