CN101783462B

CN101783462B - Electric connector

Info

Publication number: CN101783462B
Application number: CN 201010103435
Authority: CN
Inventors: 程秀荣
Original assignee: Shenzhen Techaser Technologies Co Ltd
Current assignee: Shenzhen Techaser Technologies Co Ltd
Priority date: 2010-01-27
Filing date: 2010-01-27
Publication date: 2013-02-13
Anticipated expiration: 2030-01-27
Also published as: CN101783462A

Abstract

The invention relates to an electric connector comprises an upper shell, a lower shell buckled with the upper shell and a locking device, wherein the upper shell and the lower shell respectively comprise a longitudinally extending front part and a rear part extruded backwards from the front part; the rear part of the upper shell comprises a front end surface, a rear end surface and a top surface, wherein the middle position of the top surface is provided with a slot; both sides of the slot are provided with opposite end walls; a groove and a notch are formed from each end wall; the locking device comprises a grasping part, a driving part and a locking part, wherein the driving part is provided with a pair of elastic parts and cam parts; the locking part is provided with a lug which is arranged in the slot of the front part of the upper shell and is bulged on the upper surface of the slot and a support part which is arranged in the slot of the rear part of the upper shell and is supported by the cam part, wherein the support part is provided with a horizontal section, an inclined section and a shaft bulged to both sides from the junction of the horizontal section and the inclined section, wherein the shaft is accommodated in the groove; the cam part slides along the rear part of the locking part, which enables the locking part to move down to achieve the goal of unlocking, thereby prolonging the service life of the electric connector.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, especially a kind of electric connector of SFP.

[background technology]

Some electric connectors are applied to the transmitting high speed serial data, as: can be between main frame and external electronic device SFP (the Small Form-factor Pluggables) electric connector of the transmission of data.The existing electric connector that plugs as shown in Figure 1, electric connector can insert the locking plate snap close on socket and the socket, it comprises shell, accommodating circuit board 1111 and fixed block 1112 and the locker that is mounted to shell in the enclosure, and shell comprises the front portion 1000 of longitudinal extension and along anterior rearwardly projecting rear portion 1001.Rear portion 1001 is wider than front portion 1000 and is higher than anterior 1000, anterior 1000 and is housed in the socket, and the front portion has projection 1003, and protruding both sides have groove 1004, and the groove rear side has inclined-plane 1005.Locker comprises draw ring 1006, draw ring is plastic parts, comprise main body 1007, be installed in rear portion 1001 and be positioned at the main body both sides elastic portion 1008, extend forward and be positioned at the drive division 1009 of protruding grooves on two sides 1004 and the grip part 1010 that is extended back by main body by main body.When electric connector inserts socket, the locking plate snap close on projection 1003 and the socket, if want to extract electric connector, pulling draw ring 1006, drive division 1,009 1005 move up along the inclined-plane, the jack-up locking plate is so that electric connector breaks away from socket.Because draw ring is plastic parts, drive division and locking plate rub for a long time or can cause the height of drive division to reduce because locking plate produces excessive pressure to drive division, may cause locking plate jack-up position not enough, can't reach the purpose of release.

[summary of the invention]

Main purpose of the present invention provides a kind of electric connector, and it can use for a long time, can not occur because of the problems such as wearing and tearing, excessive pressure cause can't release problem.

For realizing purpose, the invention provides following technical scheme: a kind of electric connector comprises upper shell, the lower house that is connected with upper shell and the locker that is fixed to upper shell, upper shell and lower house include the front portion of longitudinal extension, by rearwardly projecting rear portion, front portion, the rear portion of upper shell comprises front end face, rear end face and end face, offer slit in the end face centre position, slit runs through rear end face also extends to the upper shell front portion always to front end face a part, the slit both sides have relative end wall, the groove and the recess that offer from each end wall, the relative slit of groove is symmetrical, locker comprises grip part, what be connected in grip part slidably is contained in drive division in the above-mentioned slit and the latch part of driven support, wherein drive division has and is contained in the described recess and is positioned at a pair of elastic portion of drive division both sides and is positioned at drive division front end and cam part protruding upward, latch part has and is arranged in the anterior slit of upper shell and protrudes the projection of its upper surface and the support portion that is positioned at the upper shell rear slot and is supported by described cam part, the support portion has horizontal segment, extend back and downward-sloping tilting section and the axle that protrudes to both sides from the two intersection from horizontal segment, axle is contained in the groove, and lid is covered in upper shell rear portion end face.

Compared with prior art, the locker of electric connector of the present invention adopts by the pulling grip part, make the position of the cam part on the connected drive division move to tilting section from the latch part horizontal segment, tilting section and horizontal segment rotate around axle, tilting section turns to horizontal level and horizontal segment is downward-sloping, cause the front portion of latch part to move down to reach the purpose of release, thus can not occur because wearing and tearing and the problem such as excessive pressure cause can't release and then increase the service life.

[description of drawings]

Fig. 1 is a kind of existing electric connector perspective exploded view.

Fig. 2 is the stereogram of electric connector one embodiment of the present invention.

Fig. 3 is the stereogram that electric connector shown in Figure 2 is removed metal-back.

Fig. 4 is the vertical view of electric connector shown in Figure 2.

Fig. 5 be electric connector shown in Figure 4 along A-A to cutaway view.

Fig. 6 is the three-dimensional exploded view of electric connector shown in Figure 3.

Fig. 7 is the stereogram of another embodiment of electric connector of the present invention.

Fig. 8 is the three-dimensional exploded view of electric connector shown in Figure 7.

[embodiment]

Referring to figs. 1 through shown in Figure 6, electric connector can insert socket and with socket in the locking plate snap close, it comprises that the printed circuit board (PCB) 4 that has the housing, the locker 3 that is connected in housing that form receiving space, is housed in receiving space is connected, is enclosed within the metal washer 6 of outside with fixed block, fixedly locker is to the lid 7 of housing and the pin 8 of connection housing and lid 7.

Described housing is comprised of upper shell 1 and lower house 2, and upper shell 1 and lower house 2 have respectively the

front portion

10,20 and the rear portion 11,21 that extends back from the front portion of longitudinal extension, the front portion 10 of upper shell and lower house, 20 and rear portion 11,21 correspond to each other.Upper shell front portion 10 comprises the two side 51 that end face 50 and vertical top face down and bend, extend forward cantilever 52 from each sidewall 51 front end respectively, to downward-extension wall extension 55, connecting plate 53 connects a pair of adjutage from cantilever 52 front bottom end, and cantilever 52 has formed window 54 jointly with connecting plate 53.Lower house front portion 20 has diapire 22, and diapire 22 protrudes out forward and forms lapping plate 24, and the bottom surface that the bottom surface of lapping plate is higher than lower house 2 other parts arranges, and the lapping plate 24 of lower house is fastened on the connecting plate 53 of upper shell.Between upper shell anterior 10 and lower house front portion 20, form receiving space, printed circuit board (PCB) 4 is housed in receiving space, the part of printed circuit board (PCB) 4 is exposed from window 54, fixed block 5 is positioned at the rear portion 11,21 of receiving space and contiguous upper shell 1 and lower house 2, be used for the fixed cable (not shown), metal washer 6 coats upper shells and lower house front portion 10, a part of 20 and the rear portion 11,21 of contiguous upper shell and lower house.

The rear portion 11 of upper shell has front end face 12, rear end face 13 and end face 19, offer slit 14 and slit 14 extends through front end face 12 and extends to the part of upper shell front portion 10 always from the rear end face 13 at upper shell rear portion from the end face centre position, the both sides of slit 14 have end wall 15, offer groove 16 and recess 17 from each end wall 15, relative slit is symmetrical respectively with recess 17 for groove 16, recess 17 relative grooves 16 are than adjacent back end face 13, recess 17 opening parts are close to and vertically extend forward a baffle plate 18 perpendicular to rear end face 13, get through two cylindrical holes 56 downwards from the rear portion of upper shell end face 19 and the relative both sides that are positioned at slit 14, lower house rear portion 21 has the through hole 56 a pair of through holes 57 corresponding and of the same size with upper shell.

The drive division 31 that locker 3 comprises grip part 30, link to each other with grip part and the latch part 32 of driven support, lid 7 is metal material, the rear portion end face 19 that it has the through hole corresponding with the through hole at upper shell rear portion (not shown) and covers upper shell is used for fixing locker 3.Pin 8 inserts lid 7, upper shell 1 and lower house 2 threes' through hole successively, and the mode by riveting pin end is upper shell 1, lower house 2 and lid 7 fixedly.

Grip part 30 is plastic parts, grip part 30 comprises scarfing unit 34, afterbody 35 and the pars intermedia 36 that is connected the two, wherein scarfing unit 34 and afterbody 35 are for being horizontally disposed with, pars intermedia 36 is tilted to lower connection afterbody 35 from scarfing unit 34, pars intermedia 36 hollow outs form draw ring, draw ring can be the difformity such as circular, square, and grip part 30 is positioned at outside the housing.

Drive division 31 is comprised of sliding part and flexible member 33 in the present embodiment, wherein sliding part is metalwork, have the lengthwise main body 37 that is arranged in slit, drive division 31 comprises installation portion 38 that autonomous agent 37 extends back, in main body 37 front ends and cam part 41 and a pair of elastic portion between installation portion 38 and cam part 41 protruding upward.The width of described installation portion 38 is greater than the width setting of main body 37, and the center has a through hole 39, and so setting can make installation portion 38 and the scarfing unit 34 firm chimeric drive divisions 31 of avoiding of grip part break away from from grip part 30.Elastic portion is seated in the recess 17, and it comprises that from the alar part 42 of both sides horizontal expansion and flexible member 33, alar part 42 is compared the position that places the adjacent front end face with flexible member 33, and alar part 42 is higher than the other parts of drive division 31.In the practical application, if sliding part is formed by the sheet material punching out, the mode by the punching press twisting formation when then processing alar part 42, and flexible member can be helical spring or other any elements that can reuse and provide resilience force.

Latch part 32 comprises leading portion 43, support portion 45 and vertically connects the two linkage section 44 that leading portion 43 has the leg-of-mutton projection 46 that raises up.Support portion 45 comprises horizontal segment 47 and extends back and downward-sloping tilting section 48 from horizontal segment, horizontal segment 47 is higher than leading portion 43, horizontal segment 47 links to each other with linkage section 44, have to two side-prominent axles 49 at horizontal segment 47 and tilting section 48 intersections, axle 49 is received in the groove 16 at upper shell rear portion, and latch part 32 is received in the slit 14 and by the cam part 41 of axle 49 and drive division and jointly supports.

Fig. 7 and Fig. 8 have shown another embodiment of electric connector of the present invention, its compare from last embodiment different be drive division structure and with the connected mode of grip part, the plastic parts that the grip part 120 of this embodiment and drive division 121 are integrated, grip part 120 comprises main body 123, main body has to two side-prominent circular arcs 124, and middle hollow out forms draw ring 125; Grip part 120 forward longitudinal extension forms the drive division 121 that is seated in the slit, grip part main body 123 is wider than drive division 121, the contiguous grip part of drive division place stretches out from both sides and forms the elastic portion of reversing 126 that is placed in the recess, has cam part 127 at the front end of drive division.Elastic portion 126 in the present embodiment is roughly " V " shape structure that an end connects drive division, and in the practical application, the structure of this resilient shapes also can be " C " shape, serpentine, " N " shape, " W " shape etc. can provide arbitrarily the structure of recovering elastic force.

When elastic portion is not compressed, drive division 31,121 cam part 41,127 are supported on latch part 32 horizontal segments 47, pulling grip part 30,120, drive division moves with grip part, elastic portion 33,126 compressions, cam part 41,127 move along latch part rear portion 45, when cam part moves to horizontal segment and tilting section intersection and continues to move backward, axle rotates, cause tilting section 48 upwards to rotate, horizontal segment 47 rotates, and moves down to the front portion 43 of latch part, separate with locking plate when the anterior end face of projection 46 highest points on the latch part and upper shell 19 is concordant, electric connector can be extracted from socket.

Claims

1. electric connector, comprise upper shell, with the lower house of upper shell fastening and the locker that is fixed to upper shell, upper shell and lower house include the front portion of longitudinal extension, by rearwardly projecting rear portion, front portion, it is characterized in that: the rear portion of upper shell comprises end face and the front end face that extends downward vertically from the end face two ends, rear end face, offer slit and slit in the end face centre position and run through rear end face also extends to the upper shell front portion always to front end face a part, the slit both sides have relative end wall, offer groove and recess from each end wall, the relative slit of groove is symmetrical; Locker comprises grip part, and what be connected in grip part slidably is contained in drive division in the above-mentioned slit and the latch part of driven support; Drive division has and is contained in the described recess and is positioned at a pair of elastic portion of drive division both sides and is positioned at drive division front end and cam part protruding upward, and latch part has and is arranged in the anterior slit of upper shell and protrudes the projection of its upper surface and the support portion that is positioned at the upper shell rear slot and is supported by described cam part; The support portion have close front end face horizontal segment, extend back and downward-sloping tilting section and the axle that protrudes to both sides from the two intersection from horizontal segment, axle is contained in the groove.

2. electric connector as claimed in claim 1 is characterized in that drive division is metalwork, the grip part plastic parts, and drive division is connected by the interlocking mode with grip part.

3. electric connector as claimed in claim 1 or 2 is characterized in that grip part comprises scarfing unit, afterbody and is tilted to the pars intermedia of lower connection afterbody from scarfing unit, and wherein, described scarfing unit and described afterbody are for being horizontally disposed with.

4. electric connector as claimed in claim 3 is characterized in that the intermediate portion hollow out forms draw ring.

5. electric connector as claimed in claim 2 is characterized in that the drive division rear portion is formed with the installation portion with through hole, and installation portion is embedded in grip part.

6. electric connector as claimed in claim 2 is characterized in that elastic portion comprises alar part and the flexible member that outwards stretch self-driven both sides, and flexible member and alar part are received in the recess jointly, and alar part is compared the position that places the adjacent front end face with flexible member.

7. electric connector as claimed in claim 1 is characterized in that elastic portion is the torsion structure that self-driven both sides stretch out and form.

8. electric connector as claimed in claim 1 is characterized in that the relative slit of recess is symmetrical.

9. electric connector as claimed in claim 1 is characterized in that recess opening part vicinity and vertically extends forward a baffle plate perpendicular to rear end face.