CN203326233U

CN203326233U - Electric connector

Info

Publication number: CN203326233U
Application number: CN2013202843332U
Authority: CN
Inventors: 叶昌旗; 杨智凯
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2013-05-23
Filing date: 2013-05-23
Publication date: 2013-12-04
Anticipated expiration: 2023-05-23

Abstract

The utility model discloses an electric connector, which can electrically connect a chip module to a circuit board. The electric connector comprises: an insulating body capable of accommodating the chip module, an upper iron sheet capable of covering the insulating body, and a seat mounted on the circuit board. The upper and lower iron pieces are pivotally connected with the upper iron piece. The lower iron piece is provided with a first frame, a second frame and a horizontal installation part connecting the first and last ends of the first frame respectively, and the inner side of the horizontal installation part There is an extension part that is bent upward and extends toward the outside of the horizontal installation part. The electrical connector of the utility model has the effect of force balance.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of being installed on circuit board and is used for the electric connector of chip module connection.

[background technology]

A kind of existing electric connector, for being electrically connected chip module to circuit board, it comprises the lower iron plate that is assembled in the circuit board top, is contained in the insulating body in lower iron plate, the upper iron plate be articulated with lower iron plate and for by lower iron plate and driving lever together with upper iron plate snaps into.Wherein, chip module is contained in insulating body.Described lower iron plate comprises body, is positioned at the first side that upwards bending is extended, the longer both sides of body and connects respectively first side second side and the 3rd side at two ends from beginning to end.Yi Cede end, first side is provided with and outwards protrudes out for pressing the kink of driving lever end.Second side is provided with and extends upward and bend for locating the holding parts of driving lever.The 3rd side is provided with the extension extended straight up, and the opposite end of extension is provided with through hole, and described upper iron plate is connected in this through hole.

The aforementioned electric connector at least has the following disadvantages: when the upper iron plate of electric connector fastens extremely lower iron plate top in closure state, upper iron plate card is pressed on the top of chip module, driving lever is immobilizated in the holding parts of second side of lower iron plate, driving lever presses on upper iron plate the top of chip module, upper iron plate is articulated in the through hole of the 3rd side of lower iron plate, because the rigidity of the pivot joint power of the extension of the 3rd side is about 4.5 times of rigidity of the pressing force of driving lever, upper iron plate can be the same with seesaw, thereby the problem of generating chip module unbalance stress, when the dimensional variations of electric connector, the stressing conditions at the two ends of second side and the 3rd side is change thereupon also, the problem of meeting generating chip module unbalance stress, be stressed less zone under long-term test status, resistance can slowly increase because contact condition is bad, thereby causing between chip module and electric connector being electrically connected insecure phenomenon occurs.

Therefore, be necessary to design the defect that a kind of new electric connector exists to overcome above-mentioned electric connector.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector of stress balance.

For achieving the above object, the utility model adopts following technical scheme: a kind of electric connector, be electrically connected chip module to circuit board, electric connector comprises: insulating body, the lower iron plate that is placed on the upper iron plate on insulating body and is installed on circuit board and is articulated with upper iron plate, described lower iron plate be provided with horizontal installation portion and from a side of horizontal installation portion and contiguous insulating body upward again towards away from the horizontally extending extension of the direction of insulating body, upper iron plate is provided with the hook part be snapped in this extension.

Further improvements have: described extension is and is horizontally placed to " U " shape structure, the horizontal plane of described extension and the horizontal plane of horizontal installation portion are parallel to each other, the both sides of the root edge of described extension are by die-cut formation through hole, described extension forms cantilevered feature, iron plate and the elasticity that lower iron plate is connected are provided, adjust according to demand the development length of extension.Described electric connector further comprises screw, described lower iron plate also wraps upwardly extending the first frame in the horizontal installation portion of connection two ends and connects the second frame of the other end of the first frame, and in the common frame mouth formed of this first frame, the second frame and horizontal installation portion, the second frame of described lower iron plate and the opposite end of horizontal installation portion are respectively equipped with installing hole, and described screw is articulated in installing hole.Described upper iron plate is provided with base portion, be positioned at the tongue that base portion one side is extended, the side that described hook part is positioned at base portion protrudes out formation, the pressure contact portion bent between two hook parts, the hook part of described upper iron plate is articulated in the through hole of horizontal installation portion of lower iron plate, and the pressure contact portion of upper iron plate is resisted against the upper surface of extension of the horizontal installation portion of lower iron plate.Described electric connector further comprises driving lever, and the outer side edges of the second frame of described lower iron plate is provided with for locating the holding parts of driving lever, is provided with between holding parts to prevent that driving lever from crossing the location division of turning over, and described driving lever withholds upper iron plate and lower iron plate to one.Described driving lever comprises bent stick, the convex extension part protruded out to a side between bent stick, in bent stick vertically bending action bars and be positioned at the press section of action bars end bending, the bent stick of described driving lever is installed in the holding parts of lower iron plate, withhold in the top of the tongue of upper iron plate the convex extension part of driving lever, the end convex of the first frame one side stretches out a kink, and withhold in the bottom surface of the kink of the first frame the press section of driving lever.

The purpose of this utility model can realize by following another technical scheme: a kind of electric connector, be electrically connected chip module to circuit board, electric connector comprises: insulating body, be placed on the upper iron plate on insulating body, the lower iron plate that is installed on circuit board and is articulated with upper iron plate and upper iron plate is withheld to the driving lever on lower iron plate, described lower iron plate is provided with horizontal installation portion and has upward towards away from the horizontally extending extension of the direction of insulating body from a side of horizontal installation portion and contiguous insulating body again, upper iron plate is provided with the hook part be snapped in this extension, described extension provide flexible reduce simultaneously on iron plate be articulated in the rigid demand of lower iron plate one side.

Further improvements have: described extension is and is horizontally placed to " U " shape structure, the horizontal plane of described extension and the horizontal plane of horizontal installation portion are parallel to each other, the both sides of the root edge of described extension are by die-cut formation through hole, described extension forms cantilevered feature, iron plate and the elasticity that lower iron plate is connected are provided, adjust according to demand the development length of extension.Described electric connector further comprises screw, described lower iron plate also wraps upwardly extending the first frame in the horizontal installation portion of connection two ends and connects the second frame of the other end of the first frame, and in the common frame mouth formed of this first frame, the second frame and horizontal installation portion, the second frame of described lower iron plate and the opposite end of horizontal installation portion are respectively equipped with installing hole, and described screw is articulated in installing hole.Described upper iron plate is provided with base portion, be positioned at the tongue that base portion one side is extended, the side that described hook part is positioned at base portion protrudes out formation, the pressure contact portion bent between two hook parts, the hook part of described upper iron plate is articulated in the through hole of horizontal installation portion of lower iron plate, and the pressure contact portion of upper iron plate is resisted against the upper surface of extension of the horizontal installation portion of lower iron plate.

Compared to prior art, the horizontal installation portion of the utility model electric connector is provided with horizontally extending extension, described extension has cantilevered feature, the elasticity that can provide iron plate to be connected with lower iron plate, the development length that can adjust according to demand extension is articulated in the rigid demand of lower iron plate one side to reduce upper iron plate.

[accompanying drawing explanation]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector.

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

Fig. 3 is the end view of the lower iron plate of the utility model electric connector.

Fig. 4 is the cross-sectional schematic along Fig. 1.

[embodiment]

Refer to shown in Fig. 1 and Fig. 2, disclosed the utility model electric connector 2 for being electrically connected chip module (not shown) to circuit board (not shown).Wherein, electric connector 2 comprises the lower iron plate 20 that is installed on circuit board (not shown) top, is contained in insulating body 21 in lower iron plate 20, is connected in lower iron plate 20 and covers the upper iron plate 22 of insulating body 21 tops and upper iron plate 22 is withheld to the driving lever 23 on lower iron plate 20.

Lower iron plate 20 is by the moulding of metal material integrated punching, lower iron plate 20 there is the horizontal installation portion 203 that is positioned at insulating body 21 1 sides and from a side of horizontal installation portion 203 and contiguous insulating body 21 upward again towards away from the horizontally extending extension 208 of the direction of insulating body 21.In the present embodiment, lower iron plate 20 also comprises a pair of upwardly extending first frame 201 at the horizontal installation portion of connection 203 two ends and connects the second frame 202 of the other end of the first frame 201 and the frame mouth 200 jointly formed in this first frame 201, the second frame 202 and horizontal installation portion 203.The end of the first frame 201 1 sides outwards protrudes out and bends out a kink 204.The opposite end of the second frame 202 and horizontal installation portion 203 is respectively equipped with some installing holes for pivot joint screw 3 207.The outer side edges of the second frame 202 is provided with the holding parts 205 that extends upward and bend for locating driving lever 23, is provided with the location division 206 that prevents that driving lever 23 from turning over excessively between holding parts 205.Wherein, the both sides of the root edge of described extension 208 are by die-cut formation through hole 209.Described extension 208 roughly is horizontally disposed " U " shape, and the horizontal plane of the horizontal plane of extension 208 and horizontal installation portion 203 is parallel to each other.The extension 208 that horizontal buckling arranges forms cantilevered feature, the elasticity that can provide iron plate 22 to be connected with lower iron plate 20, adjust according to demand the development length of extension 208, in reduction, iron plate 22 is articulated in the rigidity of lower iron plate 20 1 sides, make it rigidity and withhold the rigidity of iron plate 22 1 sides near driving lever 23, thereby reach the stress balance of iron plate 22 relative both sides.

The upper iron plate 22 that is pivoted to one with lower iron plate 20 is also by the moulding of metal material integrated punching, it comprise middle part be the base portion 220 of hollow-core construction, by the longer both side edges of base portion 220 downwards vertically the fixing limit 221 of bending, protrude out a pair of hook part 223 to the direction away from base portion 220 from the two ends of base portion 220 leading edges middle part bendings the tongue 222 extended forward, a side relative to tongue 222 and bending horizontally extending pressure contact portion 224 also between two hook parts 223.The hook part 223 of upper iron plate 22 is articulated in the through hole 209 of horizontal installation portion 203 of lower iron plate 20, the pressure contact portion 224 of upper iron plate 22 is resisted against the upper surface of extension 207 of the horizontal installation portion 203 of lower iron plate 21, and upper iron plate 22 can do to open the conversion with closure state around lower iron plate 21.

Described driving lever 23 is for doing to open to electric connector 2 operation of changing with closure state for the user, driving lever 23 is withheld upper iron plate 22 to one with lower iron plate 20, it comprises the bent stick 230 in the holding parts 205 that is installed on lower iron plate 20, the convex extension part 232 protruded out to a side between bent stick 230, be positioned at the action bars 231 of bent stick 230 vertical bendings and be positioned at the upwards press section 233 of bending of action bars 231 ends, when upper iron plate 22 moves to closure state by opening, withhold in the top of the tongue 222 of upper iron plate 22 convex extension part 232 of driving lever 23, the action bars 231 of driving lever 23 is positioned at the outer side edges of the first frame 201 of lower iron plate 20, withhold in the bottom surface of the kink 204 of the first frame 201 press section 233 of driving lever 23.

The horizontal installation portion 203 of the lower iron plate 20 of the utility model electric connector 2 is provided with extension 208, described extension 208 has cantilevered feature, when the hook part 223 of upper iron plate 22 is articulated in the through hole 209 of extension 208 of horizontal installation portion 203 of lower iron plate 20, when driving lever 23 is withheld the top in lower iron plate 20 by the tongue of upper iron plate 22 222, extension 208 has elasticity, can adjust the development length of extension 208 to the lateral direction of horizontal installation portion 203 according to the rigid demand of extension 208, guarantee the stressed even of pressing force between the hook part 223 of the second frame 202 and the buckle press between driving lever 23 and horizontal installation portion 203 and upper iron plate 23 of lower iron plate 20 of electric connector 2, purpose in order to equilibrium phase to the adhesion of both sides.

Should be understood that, the foregoing is only preferred forms of the present utility model, it not whole execution modes, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification, be claim of the present utility model and contain.

Claims

1. An electrical connector that electrically connects a chip module to a circuit board. The electrical connector includes: an insulating body, an upper iron sheet covered on the insulating body, and an upper iron sheet mounted on the circuit board and pivoted to the upper iron sheet. The lower iron sheet is characterized in that: the lower iron sheet is provided with a horizontal installation part and an extension part extending horizontally from one side of the horizontal installation part and adjacent to the insulating body to the direction away from the insulating body, and the upper iron sheet is provided with There are several hooks buckled in the extension.

2. The electrical connector according to claim 1, wherein the extension part is arranged horizontally and has a U-shaped structure, the horizontal plane of the extension part and the horizontal plane of the horizontal installation part are parallel to each other, and the extension part Both sides of the bottom edge of the part are punched to form through holes, and the extension part forms a cantilever feature, which provides flexibility for connecting the upper iron sheet and the lower iron sheet, and adjusts the extension length of the extension part according to requirements.

3. The electrical connector according to claim 2, characterized in that: the electrical connector further comprises screws, and the lower iron sheet also includes the first frame connecting the two ends of the horizontal mounting part extending upward and connecting the first frame The second frame at the other end, and the frame opening jointly formed by the first frame, the second frame and the horizontal installation part, the second frame of the lower iron sheet and the opposite ends of the horizontal installation part are respectively provided with installation holes, The screw is pivoted in the mounting hole.

4. The electrical connector according to claim 3, wherein the upper iron piece is provided with a base, a tongue extending on one side of the base, and a crimping portion bent between the hooks, the hooks The hook part of the upper iron piece is pivotally connected to the through hole of the horizontal installation part of the lower iron piece, and the crimping part of the upper iron piece is against the horizontal installation part of the lower iron piece. the upper surface of the extension.

5. The electrical connector according to claim 4, wherein the electrical connector further comprises a lever, and the outer side of the second frame of the lower iron piece is provided with a holding portion for positioning the lever, A positioning part for preventing the driving rod from overturning is arranged between the holding parts, and the driving rod buckles the upper iron piece and the lower iron piece into one body.

6. The electrical connector according to claim 5, wherein the lever comprises a curved rod, a protrusion protruding to one side between the curved rods, and an operating rod bent vertically to the curved rods. And the pressing part that is bent at the end of the operating rod, the bending rod of the driving rod is installed in the holding part of the lower iron piece, the protruding part of the driving rod is buckled above the tongue of the upper iron piece, and the first frame side A bent portion protrudes outward from the end portion, and the pressing portion of the driving rod is pressed against the bottom surface of the bent portion of the first frame.

7. An electrical connector, which electrically connects the chip module to the circuit board. The electrical connector includes: an insulating body, an upper iron sheet covered on the insulating body, and an upper iron sheet mounted on the circuit board and pivoted to the upper iron sheet. The lower iron piece and the lever for buckling the upper iron piece to the lower iron piece are characterized in that: the lower iron piece is provided with a horizontal installation part and a side edge from the horizontal installation part and adjacent to the insulating body has a direction upward and then away from it. The extension part extending horizontally in the direction of the insulating body, the upper iron piece is provided with a number of hooks that are buckled in the extension part, and the extension part provides elasticity while reducing the rigidity requirement for the upper iron piece to be pivotally connected to the side of the lower iron piece .

8. The electrical connector according to claim 7, wherein the extension part is arranged horizontally and has a U-shaped structure, the horizontal plane of the extension part and the horizontal plane of the horizontal installation part are parallel to each other, and the extension part Both sides of the bottom edge of the part are punched to form through holes, and the extension part forms a cantilever feature, which provides flexibility for connecting the upper iron sheet and the lower iron sheet, and adjusts the extension length of the extension part according to requirements.

9. The electrical connector according to claim 8, characterized in that: the electrical connector further comprises screws, and the lower iron sheet also includes the first frame connecting the two ends of the horizontal mounting part extending upward and connecting the first frame The second frame at the other end, and the frame opening jointly formed by the first frame, the second frame and the horizontal installation part, the second frame of the lower iron sheet and the opposite ends of the horizontal installation part are respectively provided with installation holes, The screw is pivoted in the mounting hole.

10. The electrical connector according to claim 9, wherein the upper iron piece is provided with a base, a tongue extending on one side of the base, and a crimping portion bent between several hooks, the The hook portion is located on one side of the base protruding, the hook portion of the upper iron piece is pivotally connected to the through hole of the horizontal installation part of the lower iron piece, and the crimping part of the upper iron piece is against the horizontal installation part of the lower iron piece. The upper surface of the extension of the portion.