CN2886845Y - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector used to shelter a electronic card, comprising a dielectric body, a conduction terminal sheltered in the dielectric body and a metallic shell covered on the dielectric body, the dielectric body and the metallic shell form the shelter space together, wherein the metallic shell is provided with a thin part, which is convenient for the insert of the electronic card.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers in particular to a kind of electric connector that is used to accommodate electronic cards.

[background technology]

Along with communication and development of computer, the application of electronic cards more and more widely, the electric connector that therefore is used to connect electronic cards is just used and is given birth to.Electronic cards is provided with the bonding pad that is used for being welded to circuit board or other equipment that directly is bent to form from metal shell mostly, simultaneously also formed a breach in bonding pad formation place, the front shell of breach partly forms new end, when electronic cards is inserted electric connector, the front end of electronic cards may be conflicted this end and is stuck, thereby has influenced the smooth insertion of electronic cards.

As No. 274670 described electric connector of Taiwan patent, with reference to this patent the 14 figure, respectively be provided with a bonding pad (not indicating) on its housing both sides diapire, formed breach (not indicating) at the bonding pad place, this breach is divided into two sections of front and back with its place diapire, when electronic cards 400 is inserted these electric connectors, the front end of the electronic cards leading portion part of diapire of conflicting easily, thus influence the smooth insertion of electronic cards.

Therefore, necessary existing electric connector is improved to overcome the aforementioned disadvantages of prior art.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, can prevent effectively that electronic cards is stuck and can't be inserted in the electric connector.

The purpose of this utility model is achieved through the following technical solutions: the utility model has disclosed a kind of electric connector, in order to accommodate an electronic cards, it comprises insulating body, be contained in the conducting terminal in the insulating body and hide metal shell on insulating body, the common receiving space of accommodating electronic cards that forms of insulating body and metal shell, wherein metal shell is provided with the portion of thinning, when electronic cards was inserted into this electric connector, the insertion of electronic cards can be convenient in this and the portion of thinning.

Compared with prior art, the utility model electric connector thins portion by being provided with on metal shell, and the electronic cards front end can slip into receiving space smoothly along the wedge face of the portion of thinning, and has effectively avoided the jammed situation of front end of electronics to take place.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector and the electronic cards of accommodating thereof.

Fig. 2 is the three-dimensional combination figure of the utility model electric connector.

Fig. 3 is the three-dimensional exploded view of the utility model electric connector.

Fig. 4 is the part three-dimensional exploded view of the utility model electric connector and electronic cards.

Fig. 5 is the part three-dimensional exploded view of the utility model electric connector.

Fig. 6 is the enlarged drawing of the interior part of circle shown in Fig. 3.

[embodiment]

Please refer to Fig. 1 to shown in Figure 6, the utility model electric connector 1, can be used for accommodating an electronic cards 6, this electric connector 1 comprises insulating body 2, is contained in plurality of conductive terminals 3, metal shell 4 and trip mechanism 5 on the insulating body 2, wherein trip mechanism 5 is positioned on the side arm 21 of insulating body, metal shell 4 is covered on the insulating body 2, metal shell 4 and the insulating body 2 common electronic cards receiving spaces (not indicating) that form, and electronic cards 6 is contained in this receiving space.

Insulating body 2 is the L type substantially, comprises a horizontal base portion 20, from the side arm 21 that base portion 20 right-hand members extend back, and the bottom surface of base portion 20 and side arm 21 forms installed surface 22 jointly.Base portion 20 longitudinally is being provided with some terminal accommodating passages 200 that penetrate it and extend in parallel with side arm 21, the left part of base portion 20 (indicate) is in a longitudinal direction a little more than the mid portion of base portion 20, and this left part is surperficial thereon to having a holding hole 201, the left hand external of this holding hole 201 is provided with a projection 202, and the top of base portion 20 is provided with some bar blocks 203 that horizontal expansion is arranged into a row that are simultaneously.In addition, base portion 20 also is provided with a right part (not indicating), and this right part exceeds the left part in a longitudinal direction, and its upper surface is provided with two shrinkage pools (not indicating), and this shrinkage pool extends downwards from upper surface but do not penetrate installed surface 22.In addition, the right part front end also is provided with a projection 202.The front end of side arm 21 is provided with an antetheca 210, and the antetheca rear side adheres to a support column 211 longitudinally.The right upper portion of side arm 21 is provided with a sidewall 212, and these sidewall 212 outsides are provided with some projections 202.The rear portion of side arm 21 is one to support stops 213, and the front portion that should support stops 213 be provided with a V-type groove (indicating), and the below of V-type groove is provided with one extends downwards but do not see through the accepting hole 2130 of installed surface 22, and V-type groove rear is provided with an installing hole 2131.Support right side, stops 213 middle part and be one and run through the breach 2132 of its top and bottom, the left side of breach 2132 is provided with a holding hole 201, and the rear portion of supporting stops 213 is one to extend downwards but do not penetrate the square hole (indicating) of installed surface 22.Support on the right edge of stops 213 and respectively be provided with a projection 202 in the front and back of breach 2132.Antetheca 210 and to support between the stops 213 be a conduit 214, the rear end of sidewall 212 are provided with in it and support a breach 215 between the stops 213.

Conducting terminal 3 comprises weld part 30, is arranged in the holding parts 31 of terminal accommodating passage 200, and the contact site 32 that extends and stretch into receiving space from holding parts.

The roughly rectangular shape of metal shell 4 is made by a metallic plate integrated punching moulding, and it comprises roof 40, left side wall (not indicating), right side wall 42.Wherein the front end of roof 40 is provided with the catch (not indicating) that a bending downwards forms near right side wall 42 places, and this catch is provided with a bayonet socket 43, and the projection 202 on this bayonet socket 43 and body base 20 right parts fastens.The front portion of roof be provided with some along horizontal expansion be arranged into one row strip shape gob 400, this strip shape gob is accommodated the bar blocks 203 that is positioned at body base 20 tops.At the rear of strip shape gob 400 is some accepting grooves that are longitudinal extension and are arranged in parallel 401, just is contained in this accepting groove 401 when upspringing when the contact site 32 of conducting terminal 3 is supported by electronic cards 6.It is one that extend along electronic cards 6 direction of insertion and be used for preventing the occlusion part 44 that electronic cards 6 misplugs that the right side of accepting groove 401 is provided with, it comprises supporting walls 440 and shelter wall 441, wherein supporting walls 440 is vertically to be folded into receiving space downwards to form from roof 40, direction of insertion along electronic cards 6 is extended, supporting walls 440 away from an end of conducting terminal 3 inwards lateral buckling form shelter wall 441, shelter wall 441 and roof 40 and supporting walls 440 approximate vertical.Accepting groove 401 rears are provided with two trapezoid-shaped openings 402, and trapezoid-shaped openings 402 right sides are provided with rectangular aperture 403 near right side wall 42 places.The position, the lower right corner of roof 40 is provided with the retaining sheet 404 that a bending downwards forms, and this retaining sheet can be contained in the holding hole 201 on the body side arm 21.The back edge of metal shell 4 is designed to arc shape, makes things convenient for the extraction of electronic cards.The horizontal wall 410 that left side wall comprises a vertical wall 41 and extends to the bending of receiving space level from vertical wall 41 bottoms, it is roughly horizontal, is used to guide the insertion of electronic cards 6.Vertically wall 41 front portions are provided with a retaining sheet of bending (indicating) downwards, and simultaneously corresponding side-walls is formed with bayonet socket 43, and wherein retaining sheet is contained in the holding hole 201 on body base 20 left parts, and bayonet socket 43 blocks the projection 202 on the left part.Vertically the rear portion of wall 41 is provided with from horizontal wall 410 and bends and next bonding pad 45, formed a breach (not indicating) simultaneously on the horizontal wall 410, this breach is divided into two sections of front and back with horizontal wall 410, wherein the leading portion part is provided with the portion of thinning 411 near indentation, there, this thins portion 411 is wedge face (not indicating) towards the upper surface of receiving space, when electric connector 1 is installed to circuit board (not shown), this lower surface that thins portion 411 is close on the circuit board, the oblique circuit board that directly extends to down of wedge face.Right side wall 42 is provided with some bayonet sockets 43, is provided with a bonding pad 45 between two bayonet sockets 43 at rear portion, and wherein bayonet socket 43 is engaged on the corresponding projection 202 on the body side arm 21.

Trip mechanism 5 comprises slide block 50, elastic component 51 (being a spring in the present embodiment), guide member 52 and compressing tablet 53.Wherein slide block 50 comprises a main part 500, is positioned at the support column 501 of main part 500 front ends, and stretch into receiving space move back card division 502.Wherein move back card division 502 and be positioned at front end one side of main part 500, be the bending structure, be used for cooperating the insertion and the taking-up of electronic cards.The both sides of support column 501 are with it is played the ribs 5010 of reinforcement effect.Be provided with one above the main part 500 and run through the groove 503 of main part in rear side, the bottom of this groove 503 is provided with a guide channel 504 to lower recess, and guide member 52 promptly moves along this guide channel 504.This guide channel 504 is heart type shape, and its front-end and back-end are respectively equipped with first terminating point 505, second terminating point 506, also are provided with the 3rd terminating point 507 and the 4th terminating point 508 on the both sides, rear of second terminating point 506.The bottom of guide channel 504 is provided with some steps (not indicating) that are used for guiding guide member 52 motions.The latter half of summary in the right side of main part 500 is outwards protruded, and this projection (not indicating) is positioned at breach 215 and can moves at breach 215.Main part 500 left sides are provided with a projection that is used for pintle hook lock (indicating) in addition.Guide member 52 comprises body 520 always, the kink 521 that forms to the vertical bending of homonymy from the two ends of stretched portion 520.Compressing tablet 53 is positioned at above the guide member 52, and it comprises an elastic pressing part 530 and an installation portion 531, and elastic pressing part 530 is pressed in above the guide member 52, and installation portion 531 is that bending downwards forms from elastic pressing part 530 rear ends, and it is contained in the installing hole 2131 on the body side arm 21.

Electronic cards 6 is rectangular shape substantially, and the front portion is provided with a row and accommodates conduit (not indicating), accommodates and is provided with conducting strip 60 in the conduit, and this conducting strip 60 is realized electrically connecting with conducting terminal 3.The right front ends of electronic cards 6 is provided with an oblique angle (not indicating), and the rear, oblique angle is provided with a groove 61, and when electronic cards 6 correctly was inserted in the electric connector 1, the occlusion part 44 that is arranged on the metal shell just was housed in this groove 61.The right side of groove 61 is an abutting part 62, is used for butt and moves back card division 502.Abutting part 62 rears are provided with a semi-circular recesses that is used to cooperate pintle hook lock (indicating).

During assembling, at first conducting terminal 3 is installed on the insulating body 2, conducting terminal 3 passes corresponding terminal accommodating passage 200, holding parts 31 is retained on accommodates in the passage 200, it is outer to extend in the receiving space that contact site 32 protrudes in base portion 20, weld part 30 is affixed on the front face (indicating) of base portion 20, and its terminal turnover with concordant with installed surface 22.Next installs trip mechanism 5, elastic component 51 is put into conduit 214 on the body side arm 21, its front end sleeve is on support column 211, then slide block 50 is put on the conduit 214, be positioned at elastic component 51 rear sides, move back card division 502, with support column 501 insertion elastic components 51 rear ends of slide block 50 front ends towards receiving space, elastic component 51 is in relaxed state this moment, and slide block 50 is in initial position.The wherein kink 521 of guide member 52 is inserted in the accepting hole 2130 on stops 213, and another kink 521 can be put into first terminating point, 505 places that are positioned at guide channel 504 front portions just simultaneously.When compressing tablet 53 was installed, elastic pressing part 530 placed on the guide member 52, and installation portion 531 is inserted in the installing hole 2131.Metal shell 4 is installed at last, it is covered on insulating body and the trip mechanism, allow its bayonet socket 43 that is positioned at the front end and the left and right sides block the projection 202 that is positioned at correspondence position on the insulating body 2, this moment, the retaining sheet 404 on the metal shell 4 was accommodated in the corresponding holding hole 201 on the insulating body 2, be arranged in bar blocks 203 on the base portion 20 and accommodate strip shape gob 400 on the metal shell 4, the welding foot 45 on the metal shell right side wall 42 is accommodated in the breach 2132 on the body side arm 21 simultaneously.Because the coating of metal shell 4, trip mechanism can be installed on the side arm 21 of body preferably, this electric connector assembling is so far finished.With electronic cards 6 when being inserted into electric connector 1, because thinning the upper surface of portion 411 is the wedge face, and the wedge face is oblique directly to extend to circuit board down, so the front end of electronic cards 6 can more easily stretch into towards interior along this wedge, can not be stuck because of the existence of breach.

The utility model electric connector 1 thins by the horizontal wall end in indentation, there, forms a portion that thins 411 that is the wedge shape that helps electronic cards 6 to insert, and has avoided having influence on because of the existence of breach the normal insertion of electronic cards 6 so to a great extent.

Claims (10)

1. electric connector, in order to accommodate an electronic cards, it comprises insulating body, be contained in the conducting terminal in the insulating body and hide metal shell on insulating body, the common receiving space of accommodating electronic cards that forms of insulating body and metal shell, it is characterized in that: metal shell is provided with the portion of thinning.

2. electric connector as claimed in claim 1 is characterized in that: left side wall and right side wall that described metal shell includes roof and extends downwards from the roof both sides.

3. electric connector as claimed in claim 2 is characterized in that: described left side wall comprises vertical wall and the horizontal wall that forms to the receiving space bending from vertical wall bottom.

4. electric connector as claimed in claim 3 is characterized in that: described horizontal wall is provided with a breach, and the portion of thinning is positioned at an end of this breach.

5. electric connector as claimed in claim 1 is characterized in that: described metal shell is provided with when electronic cards is correctly inserted, and prevents the accepting groove that conducting terminal contacts with metal shell.

6. electric connector as claimed in claim 1 is characterized in that: described electric connector is provided with a trip mechanism, and trip mechanism is provided with slide block and elastic component, and slide block is provided with the support column of fixing elastic component, and the support column both sides are provided with ribs.

7. electric connector as claimed in claim 6 is characterized in that: described trip mechanism is provided with guide member and compressing tablet, and the compressing tablet gland is on guide member.

8. electric connector as claimed in claim 1 is characterized in that: described insulating body is the L type.

9. electric connector as claimed in claim 1 is characterized in that: described metal shell is provided with strip shape gob, and insulating body is provided with the bar blocks that is contained in the strip shape gob.

10. electric connector as claimed in claim 1 is characterized in that: metal shell is provided with some retaining sheets, and insulating body is provided with some holding hole, and retaining sheet is contained in the holding hole.

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