CN2643504Y

CN2643504Y - Memory card connector

Info

Publication number: CN2643504Y
Application number: CN 03277171
Authority: CN
Inventors: 陈万添
Original assignee: DRAGON TOP ELECTRONIC Co Ltd
Current assignee: WonTen Tech Co Ltd
Priority date: 2003-07-22
Filing date: 2003-07-22
Publication date: 2004-09-22
Anticipated expiration: 2013-07-22

Abstract

The utility model relates to a memory card connector whose insulation base bottom is provided with a plurality of parallel and juxtaposed convex type guide blocks. One side wall of the base is provided with a guide rail; a card putting/ withdrawing card is provided with a connecting arm that has a vertical part and a horizontal part; the bottom end of the horizontal part is provided with a plurality of guide grooves to cover on the convex type guide blocks; a guide groove with a closed loop forms at the upper end of the vertical part and the bottom end of the vertical part is provided with a long groove to insert the base guide rail; an elastic tablet extends from one side of the vertical part of the connecting arm; when the memory card is pulled and pressed, the vertical part moves along a single cycle direction due to continuous action; the connecting arm is an integral forming, thereby making the components of the connector simpler; besides, one end of the conductive terminal is bonded in the convex type guide blocks and the other end protrudes from the rear side of the base, therefore, the rear side of the base can be welded directly later during hollow welding.

Description

Memory card connector

Technical field

The utility model relates to a kind of connector of information-storing device, particularly a kind of memory card connector.

Background technology

Traditional memory card connector 1 as shown in Figure 1, comprise an insulating body 2, be covered on the shielding casing 3 of insulating body 2 upper ends and be placed in insulating body 2 and shielding casing 3 between a plural conductive terminal 4 and a trip mechanism 5, wherein, plural conductive terminal 4 is inserted by insulating body 2 front ends, and an end of conducting terminal 4 is welded on the circuit board; Trip mechanism 5 forms by moving back card body 6, elastomer 7, connecting

rod

8 and 9 four combination of components of holding piece, move back card body 6 front ends extension one and support arm 10, when memory card inserts connector 1 when inner, the memory card front end is against firmly supporting arm 10, and drives trip mechanism 5 synchronously to prelocalization.

Above-mentioned combination has following defective:

1, this trip mechanism combined member is various, not only increases manufacturing cost, and when assembling, combination step is loaded down with trivial details, quite loses time.

2, when the plural conductive terminal is welded on the circuit board, be difficult to avoid have phenomenons of some empty welderings, therefore promptly need in addition artificial repair welding; After assembling is finished, be to carry out repair welding work to stretch into welding gun by the opening on the shielding casing, therefore, its difficulty is higher.

3, traditional trip mechanism, its front end is oblique to be extended with a unsettled arm that supports with against living memory card, when memory card is pushed ahead, support arm and produce single-revolution moment, increase the resistance that memory card advances, therefore, memory card propelling and the action of withdrawing from have some setbacks.

Summary of the invention

Main purpose of the present utility model provides a kind of memory card connector, and its linking arm is in conjunction with a guide groove, an elongated slot and a shell fragment, and is formed in one, can the reduced combination assembly, and reduce and make and assembly cost.

Secondary objective of the present utility model provides a kind of memory card connector, limits mutually by the guide channel and the convex guide block of linking arm, can swimmingly memory card be located automatically and withdraw from.

Another purpose of the present utility model is providing a kind of memory card connector, and the rear end of its plural conductive terminal exposes to connector rear end, when conducting terminal is welded in circuit board and when producing empty weldering, is beneficial to artificial repair welding.

Memory card connector of the present utility model comprises: an insulating base, a shielding casing, plural conductive terminal, a checkout gear, write-protect protection checkout gear and a forward/back card body; Wherein, insulating base is provided with a bottom, this bottom upwards extends in parallel two sidewalls, connect the corresponding end of two sidewalls and form a rear wall, the front side of rear wall is made as the open end relatively, and checkout gear system is incorporated into connector rear end, for the fastening state that detects memory card, whether write-protect protection checkout gear is incorporated into connector one side, be the write-protect protection for detecting memory card, and shielding casing is covered on the insulating base upper end; It is characterized in that:

Insulating base bottom rear side is provided with plurality of parallel convex guide block arranged side by side, and a sidewall of pedestal is provided with a guide rail and a location division;

The plural conductive terminal, the one end is incorporated into insulating base inside, and end protrudes from the insulating base rear in addition;

Forward/back card body is located on insulating base and the sidewall guide rail homonymy, comprise a connecting rod and a linking arm, this linking arm is L-shaped and be formed in one, linking arm comprises longitudinal part and transverse part, this transverse part bottom is provided with a plurality of guide channels, for being covered on the convex guide block, linking arm longitudinal part upper end is provided with a guide groove with loop, linking arm longitudinal part bottom is provided with an elongated slot, use rank and close guide rail, linking arm longitudinal part one side is extended a shell fragment, makes its propelling/withdraw from, connecting rod place linking arm longitudinal part top for the engaging memory card, the connecting rod two ends are respectively equipped with first and second locating piece, first locating piece is limited in the location division, and second locating piece places in the guide groove, and this guide groove is subject to second locating piece.

The utility model is elaborated with instantiation below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is a three-dimensional exploded view of commonly using memory card connector;

Fig. 2 is the three-dimensional exploded view of the utility model embodiment memory card connector;

Fig. 3 is another three-dimensional exploded view of the utility model embodiment memory card connector;

Fig. 4 is the stereo appearance figure at another visual angle of linking arm of the utility model embodiment;

Fig. 5 is the vertical view of the linking arm of the utility model embodiment;

Fig. 5 A is a profile of above-mentioned linking arm;

Fig. 5 B is another profile of linking arm;

Fig. 6 is the stereo appearance figure of the utility model embodiment memory card connector of the utility model embodiment;

Fig. 6 A is the combination section of the utility model embodiment memory card connector;

User mode figure when Fig. 7 is the utility model insertion memory card;

Fig. 8 is the user mode figure of the utility model when separating with memory card.

Description of reference numerals: commonly use memory card connector 1; Insulating body 2; Shielding casing 3; Conducting terminal 4; Trip mechanism 5; Move back card body 6; Elastomer 7; Connecting rod 8; Holding piece 9; Support arm 10; Memory card connector 11; Insulating base 20; Bottom 21;

Sidewall

22,23; Guide rail 221; Location division 222; Fixed lever 223; Clamping part 231; Rear wall 24; Open end 25; Convex guide block 26; Accepting groove 261; Shielding casing 30; Dull and stereotyped 31; Recess 32; Detect compressing tablet 33; The write-protect protection detects shell fragment 34; Forward/back card body 40; Connecting rod 50; First locating piece 51; Second locating piece 52; Linking arm 60; Longitudinal part 61; Transverse part 62; Guide channel 63; Guide groove 64; Projection 65; Inclined-plane 651; Stop section 652; Summit 653; Elongated slot 66; Round bar 67; Spring 68; Shell fragment 69; Conducting terminal 70; Pressure contact portion 71; Checkout gear 80; Detect lamellar body 81; Write-protect protection checkout gear 90; Detection terminal 91; Memory card 99; Breach 991.

Embodiment

Fig. 2～Fig. 6 shows the preferred embodiment of the utility model memory card connector 11, and the utility model comprises: an insulating base 20, a shielding casing 30, a forward/back card body 40, plural conductive terminal 70, a checkout gear 80 and write-protect protection checkout gear 90.

This insulating base 20 is provided with the bottom 21 of a plane tool breach; this bottom about 21 upwards extends in parallel two sidewalls (22; 23); connect two sidewalls (22; 23) corresponding end forms a rear wall 24; the front side of rear wall 24 is made as open end 25 relatively; above-mentioned insulating base 20 bottoms 21 rear sides are provided with plurality of parallel convex guide block 26 arranged side by side; this convex guide block 26 is provided with an accepting groove 261; on one sidewall 22 of insulating base 20; one end is provided with a guide rail 221 and a stepped downward groove as location division 222; same sidewall 22 end in addition is provided with a fixed lever 223; the rear wall 24 of pedestal 20 is provided with the breach (not shown); detection lamellar body 81 for fixed test device 80; and pedestal 20 another sidewalls 23 are provided with clamping part 231, for the detection terminal 91 of clamping write-protect protection checkout gear 90.

This shielding casing 30 is covered on insulating base 20 upper ends, it is the flat board 31 of a tool thickness, its both sides bend downwards, this flat board 31 is provided with a recess 32 and and detects compressing tablet 33, whether really this detection compressing tablet 33 is combined into a checkout gear 80 with above-mentioned detection lamellar body 81, for detecting memory card engaging location; And the sides extension of flat board 31 bending downwards is provided with write-protect protection detection shell fragment 34, and this detection shell fragment 34 is combined into a checkout gear 90 with above-mentioned detection terminal 91, for detecting whether memory card is the write-protect guard mode.

This forward/back card body 40 is incorporated on the sidewall 22 of insulating base 20, being stuck in open end 25 for the restriction memory inserts/withdraws from, this forward/back card body 40 comprises: a connecting rod 50 and a linking arm 60, connecting rod 50 two ends are respectively equipped with a projection as first and second locating

piece

51,52; Linking arm 60 is L-shaped and be formed in one, and it has a longitudinal part 61 and by the vertically extending transverse part 62 of longitudinal part 61 1 ends, and these transverse part 62 lower ends are provided with two guide channels 63, can be for being covered on the convex guide block 26; Longitudinal part 61 upper ends formation one has the guide groove 64 of heart type loop, these guide groove 64 bottoms are provided with several projections 65, these projection 65 1 ends are made as inclined-plane 651, and end is provided with a stop section 652 (shown in Fig. 5～Fig. 5 B) in addition, and bottom one end of linking arm 60 longitudinal parts 61 is provided with an elongated slot 66, end is provided with a round bar 67 in addition, the fixed lever 223 of these round bar 67 coordinated insulation pedestals 20 can be with a spring 68 location, in addition, longitudinal part 61 1 sides are extended a shell fragment 69, for the engaging memory card.

When the guide channel 63 of transverse part 62 is covered on the convex guide block 26, and the elongated slot 66 of longitudinal part 61 bottoms and guide rail 221 are mutual when chimeric, first locating piece 51 of connecting rod 50 is limited in the location division 222 of insulating base 20, and second locating piece 52 of connecting rod 50 inserts in the heart type guide groove 64 of linking arm 60; Then when memory card advance/when withdrawing from, this locating piece 52 can limit linking arm 60 and do moving of single loop direction on guide rail 221.

Plural conductive terminal 70 can be inserted in the accepting groove 261 of convex guide block 26 by insulating base 20 rear sides, these conducting terminal 70 front ends are made as pressure contact portion 71, touch memory card with voltage supply and form connected state, the rear end is welded on the circuit board (not shown) when combination, when conducting terminal 70 produces empty weldering phenomenons, can be directly by in addition repair welding of rear side.

Fig. 6 A is the profile that the utility model combination is finished, wherein, recess 32 on this shielding casing 30 presses on connecting rod 50 upper ends, make connecting rod 50 and shielding casing 30 only have minim gap, unaffected moving forward and backward of connecting rod 50, and go up next being subject in the mobile space of fixing, it is loosening that connecting rod 50 is difficult for, and move forward and backward more certain.

See also shown in Figure 7ly, when pushing memory card 99 is entered in the connector 11 by the open end 25 of insulating base 20, the shell fragment 69 of linking arm 60 compresses the breach 991 of memory card 99 1 sides, so that memory card 99 and linking arm 60 form interlocks; First locating piece 51 of connecting rod 50 1 ends is limited in the location division 222 of insulating base 20, and connecting rod 50 second locating pieces 52 place in the heart type guide groove 64 of linking arm 60, can make the linking arm 60 of forward/back card body 40 form relative displacement, and by the guiding on projection 65 inclined-planes 651, and be limited on the summit 653, this moment, spring 68 was compressed; When pushing memory card 99 again, linking arm 60 promptly resets because of the release of spring 68, simultaneously, second locating piece 52 in the heart type guide groove 64 is because of the guiding on different inclined-planes 651, be back to former starting point by another guided path, by this, linking arm 60 can promote memory card 99 and withdraw from connector 11 (as shown in Figure 8).

Therefore, the utlity model has following advantage:

1, the linking arm of the utility model forward/back card body is led in conjunction with the heart type with guide function The shell fragment of groove, elongated slot and confession engaging memory card is and one-body molded, and its assembly is simplified, and has simultaneously many The item function not only make the upper cost of saving, and assembling is more quick.

2, when the pushing memory card entered connector, the guide channel of linking arm and convex guide block were mutual Restriction can so that linking arm slides smooth and easyly, and be avoided the generation of flywheel moment.

3, plural conductive terminal of the present utility model inserts the convex guide block by the insulating base rear side Accepting groove in, its rear end exposes to connector, when Combination Welding, if the phenomenon of free weldering, Can be directly by in addition repair welding of rear side, quite convenient in manually-operated, and shielding casing need not leave benefit The opening of weldering is more strengthened on overall structure.

Claims

1, a kind of memory card connector comprises: an insulating base, a shielding casing, plural conductive terminal, a checkout gear, write-protect protection checkout gear and a forward/back card body; Wherein, insulating base is provided with a bottom, this bottom upwards extends in parallel two sidewalls, connect the corresponding end of two sidewalls and form a rear wall, the front side of rear wall is made as the open end relatively, and checkout gear system is incorporated into connector rear end, for the fastening state that detects memory card, whether write-protect protection checkout gear is incorporated into connector one side, be the write-protect protection for detecting memory card, and shielding casing is covered on the insulating base upper end; It is characterized in that:

2, memory card connector as claimed in claim 1, the guide groove that wherein has loop are heart types, and the guide groove bottom is provided with several projections, and this projection one end is made as the inclined-plane, and end is provided with the stop section in addition.

3, memory card connector as claimed in claim 1, wherein the convex guide block is provided with an accepting groove.

4, memory card connector as claimed in claim 1, wherein this location division is stepped downward groove.

5, memory card connector as claimed in claim 1, wherein this shielding casing is provided with a recess, to press on small end.

6, memory card connector as claimed in claim 1, wherein this checkout gear is combined by detection compressing tablet on the shielding casing and the detection lamellar body that is incorporated into insulating base one side; Write-protect protection checkout gear is combined by the detection terminal that the detection shell fragment and of shielding casing one side is incorporated into insulating base one side.