CN102055090A

CN102055090A - Electric connector

Info

Publication number: CN102055090A
Application number: CN2009103093280A
Authority: CN
Inventors: 关海飞; 唐文军; 卜学武
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: 2009-11-05
Filing date: 2009-11-05
Publication date: 2011-05-11
Anticipated expiration: 2029-11-05
Also published as: CN102055090B

Abstract

The invention relates to an electric connector, which is used for an electronic card to insert in. Two ends of the electronic card are respectively provided with at least one opening. The electric connector comprises a longitudinal elongated insulative body, a conductive terminal fixed on the insulative body, an ejection mechanism and a buckling mechanism, wherein the ejection mechanism and the buckling mechanism are respectively arranged on two longitudinal ends of the insulative body; the insulative body comprises a longitudinally arranged slot and terminal holes arranged on two sides of the slot; the ejection mechanism is rotatably fixed on one end of the insulative body and comprises a buckling part capable of being buckled at the opening on one end of the electronic card; and the buckling mechanism comprises a metal elastomer which is arranged on the other end of the insulative body and located on at least one side of the slot, the metal elastomer comprises a buckling part extending to the slot and used for buckling the opening on the other end of the electronic card, and the buckling part can move transversely along the insulative body. When the electronic card is inserted in the electric connector, the buckling part of the metal elastomer moves in the transverse direction of the insulative body, so that the friction between the electronic card and the insulative body as well as the conductive terminal can be lightened when the electronic card is inserted in.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, particularly relate to a kind of electronic cards is installed and has improve button and hold the electric connector of mechanism.

[technical background]

The present electric connector of a kind of computer main frame panel with the connection of internal memory electronic cards of generally using of industry, this electric connector insulating body is provided with the slot of accommodating the internal memory electronic cards, and the insulating body two ends are provided with rotating liftout attachment and with convenient the internal memory electronic cards are withdrawed from.Usually can be arranged side by side several this kind connectors to high-density on the motherboard so that expansion.But along with the development of computer miniaturization, more electronic component is installed on the motherboard, two liftout attachments of this electric connector can take in use than large space, and the dealer has design only to adopt the electric connector of a liftout attachment for this reason.

Prior art related to the present invention please be joined the United States Patent (USP) the 5th of bulletin on August 26th, 1997,660, No. 552, the prior art has disclosed a kind of socket connector that is used to install the internal memory electronic cards, the liftout attachment that this socket connector comprises an insulating body that is provided with the longitudinal slot, be provided with at insulating body one end, and the elastic arm that is provided with at the insulating body other end.This elastic arm is one-body molded and be positioned on the bearing of trend of slot by insulating body, and the upper end of elastic arm is provided with a projection.When the internal memory electronic cards is packed slot into, vertical end of internal memory electronic cards makes against this projection and the elastic arm strain snap in the opening of internal memory electronic cards one end in internal memory electronic cards projection when the socket depth direction moves to the installation site under the effect of elastic arm resilience force.Because elastic arm is one-body molded by insulating body, the more weak and easy damage of this elastic arm intensity.

Another prior art related to the present invention please be joined No. the 201142447th, the Chinese patent patent of on October 29th, 2008 bulletin, the prior art has disclosed the another kind of electric connector of internal memory electronic cards that is used to install, this electric connector comprises: an insulating body, it longitudinally is provided with the slot that can peg graft the internal memory electronic cards, and the slot both sides are provided with accepting groove; A plurality of conducting terminals are located in the accepting groove; One liftout attachment is articulated in an end of insulating body, and has and can be snapped in the wherein buckling parts of an opening; And an elastomer, being positioned at the other end of insulating body, it is provided with a main part, and this main part one end is provided with fixed part, and the inboard is provided with the holding section that can be snapped in another opening, and this elastomer can be along the insulating body linear deformation.When the internal memory electronic cards was packed slot into, a side of internal memory electronic cards was resisted against elastomer and makes its strain, and there is displacement in the position of packing at first of internal memory electronic cards in the vertical with final installation site.In the plug-in mounting process, elastomer can apply vertical upwarding pressure to the internal memory electronic cards, and electronic cards moves to final installation site under the effect of user's plug-in mounting power and elastomer elastic force.Owing to insert in the electric connector process in the internal memory electronic cards, elastomer applies vertical upwarding pressure to electronic cards, and this pressure can make the friction longitudinally between internal memory electronic cards and insulating body and the conducting terminal aggravate.

Thereby, be necessary to design a kind of electric connector that improves above prior art weak point.

[summary of the invention]

Technical problem to be solved by this invention be to provide a kind of reliable in structure, easy to use, with the less electric connector of electronic cards friction of packing into.

For realizing above purpose, the present invention adopts following technical scheme: a kind of electric connector, it is used to the electronic cards of pegging graft, these electronic cards two ends are respectively equipped with at least one opening, this electric connector comprise a longitudinal insulating body, be fixed in the conducting terminal of insulating body, ejecting mechanism and the snap device that is provided with respectively at the vertical two ends of insulating body; Insulating body comprises the slot that longitudinally is provided with and is positioned at the terminal hole that the slot both sides are provided with; Ejecting mechanism is fixed in an end of insulating body rotationally, and comprises the buckling parts that can be snapped in electronic cards one end opening; Snap device comprises and is arranged at the insulating body other end, snap device comprises the metallic elastic body that is positioned at least one side of slot, this metallic elastic body comprises a clamping part, this clamping part extends to the opening that slot is used for the other end of buckle electronic cards, and this clamping part can laterally moving along insulating body.

With respect to prior art, electric connector snap device of the present invention adopts the metallic elastic body, and it has intensity thereby reliable in structure preferably.This metallic elastic body is positioned at a side of slot, and the clamping part of metallic elastic body transversely moving when inserting electronic cards at insulating body, this metallic elastic body produces vertical upwarding pressure to electronic cards, thereby can reduce electronic cards and insert the time and the friction of insulating body and conducting terminal.

[description of drawings]

Fig. 1 is the stereogram of electric connector according to the invention.

Fig. 2 is another angle stereogram of electric connector shown in Figure 1.

Fig. 3 is the partial perspective view of electric connector one end shown in Figure 1.

Fig. 4 is the sectional perspective exploded view of electric connector one end shown in Figure 3.

Fig. 5 is the stereogram of the electric connector other end shown in Figure 1.

Fig. 6 is the partial cross-sectional perspective view of the electric connector other end shown in Figure 5.

Fig. 7 is another angle three-dimensional exploded view of the electric connector other end shown in Figure 5.

Fig. 8 is the user mode stereogram of electric connector shown in Figure 1.

Fig. 9 A～9B is the schematic diagram of electric connector shown in Figure 1 before inserting electronic cards.

Figure 10 A～10B is the schematic diagram of electric connector shown in Figure 1 when inserting electronic cards.

Figure 11 A～11D is the schematic diagram of electric connector shown in Figure 1 after inserting electronic cards.

[embodiment]

Please refer to Fig. 1 and shown in Figure 2, the ejecting mechanism 3 that electric connector 100 according to the invention comprises insulating body 1, be fixed in the conducting terminal 2 of insulating body 1, be provided with respectively at insulating body 1 vertical two ends and snap device 4 and the mounting terminal 5 that insulating body 1 is fixed to a motherboard.

Please refer to Fig. 1 to shown in Figure 7, insulating body 1 is a longitudinal structure, and this insulating body 1 comprises that the height of pars intermedia 11, first lug boss 12 that is provided with respectively at pars intermedia 11 two ends and 13, two lug bosses of

second lug boss

12,13 surpasses pars intermedia 11.Insulating body 1 comprises the installed surface 101 that is positioned at its downside, be positioned at the parallel interface 102 of pars intermedia 11 places and installed surface 101.Insulating body 1 is provided with a slot 14 along its vertical X, and this slot 14 comprises the extension 141,142 that extends to two

lug bosses

12,13 respectively, and slot 14 comprises two parallel interior surface opposing 143.The pars intermedia 11 of insulating body 1 is provided with some terminal holes 15 of accommodating conducting terminal 2 in these slot 14 both sides, and these terminal holes 15 offer first opening 151 on installed surface 101, and conducting terminal 2 is mounted in the terminal hole 15 from first opening 151.These terminal holes 15 also offer second opening 152 on two inner surfaces 143 of slot 14, the part of conducting terminal 2 can be passed second opening 152 and be extended in the slot 14.

Insulating body is respectively equipped with the installing hole 16 of a up/down perforation at pars intermedia 11, first lug boss 12 and second lug boss 13, be separately installed with a mounting terminal 5 in these installing holes 16, each mounting terminal 5 is extended the installed surface 101 of insulating body 1 and is formed sound shape again.

Please refer to Fig. 3 and shown in Figure 4, ejecting mechanism 3 comprises insulating body 1 first lug boss 12 and liftout attachment 6, and this liftout attachment 6 is installed in first lug boss 12.

First lug boss 12 of insulating body comprise two relative sidewalls 121,121 formation in two side open up and down accepting groove 122, connect the connecting wall 123 and end wall 124 of two side 121.Concave shape is arranged in the upper end of connecting wall 123, and its female parts forms first extension 141 that slot 14 extends to first lug boss 12, and this first extension 141 is communicated with slot 14 with accepting groove 122.End wall 124 also constitutes the vertically terminal wall of insulating body 1.Two side 121 structures are identical, and each sidewall 121 is included in two supported holes 1211 of its inner surface setting, the draw-in groove 1212 that is provided with above supported hole 1211.

Liftout attachment 6 comprises press section 62 that main part 61, main part 61 tops be provided with, and the ejection part 63 that is provided with of main part 61 belows.Main part 61 be provided with the upper end (not label) of a fluting 610 with the spill of accommodating first lug boss, 12 connecting walls 126.Main part 61 both sides are being provided with pair of cylindrical projection 611 near ejection part 63 places, and this is interior to form a rotating shaft to the supported hole 1211 that projection 611 is contained in sidewall 121 respectively, and liftout attachment 6 can rotate projection 611 around this.Main part 61 both sides are provided with a pair of trapezoidal projection 612 above projection 611, this can be contained in the draw-in groove 1212 of sidewall 121 projection 612, and it can prevent liftout attachment 61 unintentional rotation.Press section 62 is vertical with main part 61 substantially, it comprise respectively to the buckle projection 621 of both sides, main part 61 front and back with push projection 622, as Figure 11 A) shown in buckle projection 621 after electronic cards 800 is packed electric connector 100 into, snap in first opening 804 of this electronic cards 800, push projection 62 and be positioned at electric connector 100 outsides and push with rotation liftout attachment 6 for the user.Ejection part 63 is one hook-shaped, and this ejection part 63 is positioned at accepting groove 122, ejection part 63 liftout attachment 6 can be when projection 611 rotates from a side shifting of accepting groove 122 first extension 414 to slot 14.

Please refer to Fig. 5 to shown in Figure 7, snap device 4 comprises second lug boss 13 and the metallic elastic body 7 that is contained in this second lug boss 13.

Second lug boss 13 of insulating body 1 comprises pair of sidewalls 131, connecting wall 132 and the end wall 133 vertical with sidewall 131, and this connecting wall 132 is connected with the pars intermedia 11 of insulating body 1, and this end wall 133 also constitutes the wall of insulating body 1 vertical X end.Surround a fluting 134 between pair of sidewalls 131 and connecting wall 132 and the end wall 133, this fluting 134 forms opening in insulating body 1 bottom surface 101.Slot 14 extends to second lug boss 13 and is communicated with fluting 134 by second extension 142, and this second extension 142 will be slotted and 134 will be divided into the first fluting 134a and second 134b that slots, the first fluting 134a and the second fluting 134b are symmetricly set in slot 14 both sides, below only are introduced with one of them slot 134a, 134b.Be provided with two interference walls 135 in the first fluting 134a, this forms a slit 136 to interfering between wall 135 and the sidewall 131, and this is to also forming a gap 137 between the slit 136.

Metallic elastic body 7 is stamped to form by sheet metal, and it comprises fixed part 71, by fixed part 71 upwardly extending connecting portions 72, and the docking section 73 of being extended by connecting portion 72.Fixed part 71 is provided with a projection 711, and this connecting portion 72 is narrower than fixed part 71 with docking section 73, and the width of connecting portion 72 and docking section 73 is slightly less than the width that two of second lug boss 13 is interfered walls 135 gaps 137.When metallic elastic body 7 was mounted to second lug boss 13, connecting portion 72 was positioned at 137 places, gap with docking section 73, and fixed part 71 is contained in the slit 136, and projection 711 is moving up and down to prevent metallic elastic body 7 with sidewall 131 interference engagement.Connecting portion 72 is a bending, this connecting portion 72 forms a sheet spring structure, connecting portion 72 comprise the vertical portion (not label) that is connected with fixed part 71, and with the rake (not label) that extend at an angle the vertical portion, the bearing of trend that is contained in the rake of the interior pair of metal elastomer 7 of first fluting and second fluting intersects in the slot 14.With shown in Figure 11 (D), docking section 73 horizontal Y along electric connector 100 when electronic cards 800 is packed electric connector 100 into moves in the fluting 134 as Figure 11 (A), and electric connector 100 docking sections 73 recoil to slot 14 when electronic cards 800 moves to the installation site.Docking section 73 is arranged to one and is curled, and butted part 73 can snap in second opening 802 of electronic cards 800.

When assembling electric connector 100, earlier pair of metal elastomer 7 is mounted in fluting 134a, the 134b of insulating body 1, this lays respectively at the both sides of slot 14 to metallic elastic body 7.Again three mounting terminal 5 are fixed to three installing holes 16,, at last liftout attachment 3 are mounted to the accepting groove 122 of first lug boss 12 then with the terminal hole 15 of conducting terminal 2 plug-in mountings to insulating body 1.

Please refer to shown in Fig. 8 to Figure 11 (D), Fig. 8 is the use schematic diagram of card connector 100, and this electric connector 100 is mounted on the motherboard 700, and an electronic cards 800 plug-in mountings are to this card connector 100.Fig. 9 (A) is the cutaway view along in Fig. 8 A-A line of electric connector 100 before electronic cards 800 plug-in mountings, Fig. 9 (B) be electronic cards 800 plug-in mountings to the electric connector 100 snap device 4 along the cutaway view of B-B line among Fig. 8.Figure 10 (A) is electric connector 100 cutaway view along A-A line among Fig. 8 when electronic cards 800 plug-in mountings, Figure 10 (B) be electronic cards 800 plug-in mountings during to electric connector 100 snap device 4 along the cutaway view of B-B line among Fig. 8.Figure 11 (A) is electric connector 100 cutaway view along A-A line among Fig. 8 behind electronic cards 800 plug-in mountings, Figure 11 (B) is at the cutaway view of electronic cards 800 plug-in mountings to electric connector 100 back snap devices 4 along B-B line among Fig. 8, Figure 11 (C) is in the partial cross-sectional perspective view of electronic cards 800 plug-in mountings to electric connector 100 back ejecting mechanisms 3, and Figure 11 (D) is in the partial cross-sectional perspective view of electronic cards 800 plug-in mountings to electric connector 100 back bayonet mechanism 4.

Shown in Fig. 9 (A), electronic cards 800 comprises the first side edge clipping 801, the second side edge clipping 802 and edge clipping 803 once, and this first side edge clipping 801 can be contained in first extension 141 of slot 14, second extension 142 that this second side edge clipping 802 can be contained in slot 14.Two edge clippings 801,802 are respectively equipped with first opening 804 of half opening and the upside that second opening, 805, the first openings 804 are positioned at second opening 805.Following edge clipping 803 is provided with plurality of conducting strips (for succinctly not giving diagram), and this time edge clipping 803 can be contained in the slot 14.In the present embodiment, electronic cards 800 is a memory bar, and it is one the circuit board of storage chip to be installed, and in other embodiments, this electronic cards also can be the circuit board of other function.

Shown in Fig. 9 (A) and 9 (B), before electronic cards 800 is mounted to electric connector 100, ejecting mechanism 3 is positioned at initial position, the main part 61 of liftout attachment 6 is vertical with the mid portion 11 of insulating body 1, buckle projection 621 is positioned at slot 14 first extensions 141 tops, and ejection part 63 is contained in the accepting groove 122 and is positioned at the below of slot 14.Snap device 4 also is in initial position, and two metallic elastic bodies 7 are individually fixed in first fluting 134 (a) and second fluting, 134 (b) of slot 14 both sides, and the docking section 73 of each elastomer 7 extends in the slot 14.

Shown in Figure 10 (A) and 10 (B), before electronic cards 800 was mounted to electric connector 100, that pushes liftout attachment 6 earlier pushed projection 61, and liftout attachment 6 rotates around projection 611, buckle projection 621 is to the outer side shifting of electric connector 100, and the portion that withdraws from moves to slot 14 from accepting groove 122.When plug-in mounting electronic cards 800, two side edge clippings 801,802 of electronic cards 800 move down in two extension 141,142 of slot 14 respectively.In snap device 4 one sides, respectively along two side shiftings of electric connector 100 horizontal Y, promptly docking section 73 is retracted in fluting 134 (a), 134 (b) under the effect of electronic cards 800 in the docking section 73 of metallic elastic body 7.

As Figure 11 (A) to shown in 11 (D), when electronic cards 800 continues to move down, the downside of the first side edge clipping 801 of electronic cards 800 is against the ejection part 63 to liftout attachment 6, liftout attachment 6 rotates around projection 611, and buckle projection 621 is to the medial movement of electric connector 100 and be clipped to first opening 804 of first edge clipping 801.The docking section 73 of metallic elastic body 7 extends to second opening, 805 places of second edge clipping 802, and docking section 73 recoils in the slot 14 under the effect of connecting portion 72, thereby the docking section 73 and second opening 805 form buckles.

The snap device 3 of electric connector 100 adopts metallic elastic body 7, and it has higher-strength and can guarantee that electronic cards 800 installations are stable.Metallic elastic body 7 is arranged on slot 14 both sides, when inserting electronic cards 800, the docking section 73 of this metallic elastic body 7 from slot 14 rollbacks to accepting groove 122, metallic elastic body 7 only applies active force at electric connector 100 horizontal Y to electronic cards 800, and on the vertical X of slot, electronic cards 800 is not applied active force, thereby can avoid electronic cards 800 to produce friction with insulating body 1 and conducting terminal 2 at slot 14 vertical top offsets.

Claims

1. electric connector, it is used to the electronic cards of pegging graft, these electronic cards two ends are respectively equipped with at least one opening, this electric connector comprise a longitudinal insulating body, be fixed in the conducting terminal on the insulating body, ejecting mechanism and the snap device that is provided with respectively at the vertical two ends of insulating body; Described insulating body comprises the slot that longitudinally is provided with and is positioned at the terminal hole that the slot both sides are provided with; Described ejecting mechanism is fixed in an end of described insulating body rotationally, and comprises the buckling parts that can be snapped in described electronic cards one end opening; Described snap device is arranged at the described insulating body other end, it is characterized in that: described snap device comprises the metallic elastic body that is positioned at least one side of described slot, this metallic elastic body comprises a clamping part, this clamping part extends to the opening that described slot is used for the other end of the described electronic cards of buckle, and this clamping part can laterally moving along described insulating body.

2. electric connector as claimed in claim 1, it is characterized in that: described insulating body is provided with the accepting groove that is used to accommodate described metallic elastic body at least one side of described slot, this accepting groove is communicated with described slot, and described clamping part can move along the horizontal of described insulating body in slot and accepting groove.

3. electric connector as claimed in claim 2, it is characterized in that: described metallic elastic body comprises fixed part, the clamping part that extends to described slot that is fixed in the described accepting groove, the connecting portion that reaches described fixed part of connection and clamping part, described connecting portion is elasticity bending, and described clamping part bounces back in the described accepting groove when inserting described electronic cards.

4. electric connector as claimed in claim 3 is characterized in that: described clamping part is a circular arc, and this clamping part is clipped to the opening of the other end of described electronic cards.

5. electric connector as claimed in claim 4 is characterized in that: described insulating body comprises first accepting groove and second accepting groove that lays respectively at described slot bilateral symmetry setting, and this first accepting groove and second accepting groove are fixed a described metallic elastic body respectively.

6. electric connector as claimed in claim 5, it is characterized in that: the connecting portion of described metallic elastic body comprise the vertical portion that is connected with fixed part, and with the rake that extend at an angle the vertical portion, the bearing of trend that is contained in the rake of the interior metallic elastic body of first accepting groove and second accepting groove intersects in the described slot.