CN2826735Y

CN2826735Y - Power break type connector for detecting if memory card arrives a position

Info

Publication number: CN2826735Y
Application number: CNU2005200646848U
Authority: CN
Inventors: 杨潇艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-14
Filing date: 2005-09-14
Publication date: 2006-10-11
Anticipated expiration: 2015-09-14

Abstract

The utility model relates to a power break type connector for detecting whether a memory card arrives at a position or not, which comprises a hollow shell body (40) formed from the buckling of an isolation body (10) and a shielding upper cover (20), wherein a plurality of conductive terminals (50) are arranged on the upper row of the isolation body (10), and a detector (60) is additionally arranged on the conductive terminal (50). The detector (60) comprises a fixed contact member (61) for connecting the conductive terminals (50) and a movable contact member (62) for elastically connecting the shielding upper cover (20). A clearance between the inner surface of the movable contact member (62) and the upper surface of the isolation body (10) is less than the thickness of a memory card (30). When the memory card (30) is inserted into the connector, the movable contact member (62) is strutted, and the detector does not output electrical signals, so the power break type connector can judge whether the memory card (30) arrives at the position or not. The power break type connector has the advantages of fatigue resistance, electrical source loss reduction, simple structure, low cost and low fault rate.

Description

The connector that outage formula detecting memory card puts in place

Technical field the utility model relates to a kind of memory card connector, relates in particular to a kind of card connector with arrangement for detecting.

Background technology is present, be in the portable information device of representative with PDA (Personal Digital Assistance) or the mobile phone that has a camera, memory card is more and more general as the medium of storage data, along with constantly weeding out the old and bring forth the new of this class 3C Product function, simultaneously again constantly towards gently, thin, short, little direction develops, just require memory card little towards volume, the direction evolution of the big and battery saving mode of capacity, for example: a kind of Trans Flash Card that U.S. SANDISK company releases, its volume only has 14mm (length) * 11mm (wide) * 1mm (thick), it is the memory card that blocks class volume minimum at present, therefore its year of card device (memory card connector) is designed to mini (Mini) type with needs, in the space of limitation, how to guarantee that memory card is installed to assigned address and will becomes a problem of research in the industry.For this reason, in this class memory card connector, generally all be provided with arrangement for detecting.Be assembling one fixed terminal and a flexible terminal on the connector insulating body particularly, two kinds of terminals all comprise weld part and contact site, flexible terminal passes through repeatedly bending and molding between weld part and contact site, the contact site of this flexible terminal of compressing after utilizing the memory card insertion to put in place, force with fixed terminal and contact, send detection signal, reporting system can operate as normal.Because the more and more higher and more and more miniaturization of product of the integrated degree of electronics at present is therefore all very high to the requirement of all parts, if parts break down, has improved maintenance cost undoubtedly, even has directly caused entire product to scrap.Therefore just need on the basis of implementing said function, reduce the quantity of part and the complexity of reduction part as far as possible.In addition, because the power supply storage capacity of portable information equipment is very limited, and memory card is to be assembled in for a long time in the card connector, therefore is in "on" position for a long time, invisible waste power resources, be unfavorable for very much battery saving mode.

Summary of the invention

Main purpose of the present utility model is: reaching the quantity that reduces effective part on the basis of same technical purpose, reducing the manufacturing cost of product and reduce the disabler risk;

Another purpose of the present utility model is: by replace the flexible terminal of known techniques at the shell body punch forming one downward shell fragment of product, be in off-position with fixed terminal behind plug-in card, thereby reach battery saving mode.

For reaching above-mentioned technical purpose, the utility model is realized by following technical solution: the connector that a kind of formula detecting memory card that cuts off the power supply puts in place, comprise by insulating body and shielding loam cake and fasten the hollow housing that forms, the cavity that can hold memory card in this housing is in communication with the outside by card inserting mouth, row is provided with the plural conductive terminal on the interior bottom insulating body relative with card inserting mouth of described cavity, and the cavity built-in is provided with the detector that the detecting memory card puts in place and whether puts in place; Described detector comprise connect conducting terminal fixedly touch part and elasticity is connected in the movable contact piece alive that covers in the shielding, the gap between the contact-making surface of described movable contact piece alive and memory card and this position upper surface of insulating body is less than the thickness of memory card.When connector is in non-working condition, live movable contact piece with fixedly touch part and be in connection status, this arrangement for detecting is to the controller input electrical signal.When memory card is inserted connector, the memory card movable contact piece of will living struts, live movable contact piece with fixedly touch part and be in off-state, this arrangement for detecting is not to the controller input electrical signal, thus, controller judges according to the no signal input is arranged whether memory card puts in place, realizes the function of control product operating state.

The movable contact piece of living can have multiple scheme with the connected mode that shields loam cake, the cantilever part of the described movable contact piece alive of the first on the shielding loam cake, stamping out, and this mode is fairly simple, processing easily, reliability is also relatively good.It two is described movable contact pieces alive and the shielding loam cake is split type, and the one end is connected with shielding loam cake elasticity, and this mode can realize goal of the invention equally, and the parts of replacing damage easily.

The utility model adopts the connector of technique scheme design, has antifatigue, reduces the loss of power, simple in structure, cost is low and failure rate is low characteristics.

Description of drawings

Fig. 1 is put in place the perspective exploded view of connector of the utility model outage formula detecting memory card.

Fig. 2 is the schematic perspective view of the loam cake 20 of shielding described in Fig. 1.

Fig. 3 is the solid assembling schematic diagram of the fixing apparatus of card described in Fig. 1 70.

Embodiment is below in conjunction with description of drawings most preferred embodiment of the present utility model.

By among Fig. 1 as can be known, the connector that this outage formula detecting memory card puts in place, comprise by insulating body 10 and shielding loam cake 20 and fasten the hollow housing 40 that forms, the cavity 42 that can hold memory card 30 in this housing 40 is in communication with the outside by card inserting mouth 41, in the described cavity 42 on bottom 43 insulating bodies 10 relative with card inserting mouth 41 row be provided with plural conductive terminal 50, set up on this conducting terminal 50 and detect the detector 60 that memory card puts in place and whether puts in place; Described detector 60 comprises that fixedly touch part 61 and the elasticity that connect conducting terminal 50 are connected in movable contact piece alive 62 on the shielding loam cake 20, described movable contact piece 62 corresponding memory cards 30 alive fully under the insertion state inner surface of insertion end position and the gap between insulating body 10 these position upper surfaces less than the thickness of memory card 30.When connector is in non-working condition, live movable contact piece 62 with fixedly touch part 61 and be in connection status, this arrangement for detecting is to the controller input electrical signal.When memory card 30 is inserted connector, memory card 30 movable contact piece 62 of will living struts, live movable contact piece 62 with fixedly touch part 61 and be in off-state, this arrangement for detecting is not to the controller input electrical signal, thus, controller judges according to the no signal input is arranged whether memory card 30 puts in place, realizes the function of control product operating state.Simultaneously, because the contention effect of the 62 pairs of memory cards 30 of movable contact piece of living, make tightr that memory card 30 contacts with conducting terminal 50.

The movable contact piece of living can have multiple scheme with the connected mode that shields loam cake, the cantilever part (as shown in Figure 2) of the described movable contact piece 62 alive of the first on shielding loam cake 20, stamping out, and this mode is fairly simple, processing easily, reliability is also relatively good.It two is that described movable contact piece alive 62 is split type with shielding loam cake 20, the one end with shield loam cake 20 elasticity and be connected.Movable contact piece 62 and shielding loam cake 20 are one if live, the cantilever end of the movable contact piece 62 of living can be bent to fixedly touching part 61, and finalize the design after leaving certain precompression, can guarantee movable contact piece 62 alive like this and fixedly touch part 61 to have excellent contact, after memory card 30 inserts, the jack-up movable contact piece 62 of living, live movable contact piece 62 with fixedly touch part 61 disconnections.Movable contact piece 62 is split type with shielding loam cake 20 if live, just will live movable contact piece 62 and fixedly touch part 61 and compress after, fix just passable.

As shown in Figure 2, also have another scheme, the inner surface of described movable contact piece 62 alive is provided with salient point 621, and the position of this salient point 621 is memory cards 30 fully under the insertion state, and this salient point 621 is conflicted with memory card 30.

By among Fig. 3 as can be known, the side of described cavity 42 also is provided with card fixing apparatus 70, this card fixing apparatus 70 comprises that one is located at the chute 71 on the insulating body 10, the slide block 72 along this chute 71 slides is arranged at the compression spring 73 between slide block 72 and the bottom 43; Described slide block 72 is provided with claw 74 and self-locking device 75.When memory card 30 inserted, claw 74 snapped in the draw-in groove 31 of memory card 30, continues to push memory card 30, and self-locking device 75 actions are positioned at current location with memory card 30.When moving back card, push memory card 30 to the inside, self-locking device 75 releases, memory card 30 withdraws from.

By among Fig. 3 as can be known, described claw 74 is that an end is fixed on the shell fragment 741 on the slide block 72, an other end of this shell fragment 741 is the convex that can snap in the draw-in groove on the memory card 30 31.Traditional claw is being arranged on the slide block 72 of direct rigidity, so, in use easy and memory card 30 produces the mutual extrusion distortion, especially the improper or malposition when inserting of memory card plug, easier this thing happens, even cause damage of damage memory card or claw to be broken off with the fingers and thumb disconnected.Shell fragment 741 additionally is set, can avoids the generation of above-mentioned situation fully, effectively protect memory card and claw, because the elastic reaction of shell fragment can also compress memory card, prevent play simultaneously.

As shown in Figure 1, described chute 71 is for 43 arranging narrow groove 71a and the sipes 71b that communicates to card inserting mouth 41 directions from the bottom.When memory card just inserts, slide block 72 is positioned at sipes 71b, at this moment, slide block 72 can also be done the swing of certain amplitude, is convenient to claw 74 or shell fragment 741 and embeds better in the draw-in groove 31, when continuing to advance memory card 30,72 of slide blocks enter in the narrow groove 71a, and at this moment, 72 of slide blocks can not be swung, claw 74 or shell fragment 741 will be stuck in the draw-in groove 31 firmly, and memory card 30 can not get loose and scurry out.

By among Fig. 3 as can be known, self-locking device 75 comprises heart-shaped groove 751 and the pointed projection 752 that is arranged on the slide block 72, the inner fovea part of heart-shaped groove 751 is pointed in the tip of this projection 752, also be hinged with pull bar 753 on the described insulating body 10, an other end of this pull bar 753 is a hook-type, and this hook end inserts in the heart-shaped groove 751 and slides within it.When inserting memory card 30, memory card 30 promotes the direction of slide block 72 to bottom 43 and moves, at this moment, the hook end of pull bar 753 is moved to an other end by the tip along one side of heart-shaped groove 751, when moving on to the top, under the guiding of groove 751 other secondary surfaces, the hook end of this pull bar 753 moves near the inner fovea part zone of heart-shaped groove 751, unclamp memory card 30, under the effect of compression spring 73, slide block 72 moves in the other direction, and the hook end of pull bar 753 falls in the inner fovea part of groove 751, and slide block 72 is hooked and fixes by pull bar 753.When needs move back card, inwardly push memory card 30, at this moment, the hook end of pull bar 753 withdraws from the inner fovea part of groove 751 along the skew back face of projection 752, unclamp memory card 30 then, slide block 72 moves to the direction of card inserting mouth 41 under the effect of compression spring 73, the hook end of pull bar 753 is moved to the tip by the inner fovea part end along other one side of heart-shaped groove 751, and slide block 72 just can move freely.

Claims

1. the formula of cutting off the power supply is detected the connector that memory card puts in place, comprise by insulating body (10) and shielding loam cake (20) and fasten the hollow housing (40) that forms, the cavity (42) that can hold memory card (30) in this housing (40) is in communication with the outside by card inserting mouth (41), bottom (43) insulating body (10) relative with card inserting mouth (41) gone up row and is provided with plural conductive terminal (50) in the described cavity (42), sets up the detector (60) that the detecting memory card whether puts in place on this conducting terminal (50); It is characterized in that: described detector (60) comprises that fixedly touch part (61) and the elasticity that connect conducting terminal (50) are connected in movable contact piece alive (62) on the shielding loam cake (20), the corresponding memory card of described movable contact piece alive (62) (30) fully under the insertion state inner surface of insertion end position and the gap between this position upper surface of insulating body (10) less than the thickness of memory card (30).

2. the connector that puts in place according to the described outage formula detecting of claim 1 memory card is characterized in that: the cantilever part of described movable contact piece alive (62) for stamping out on shielding loam cake (20).

3. detect the connector that memory card puts in place according to the described outage formula of claim 1, it is characterized in that: described movable contact piece alive (62) is split type with shielding loam cake (20), and the one end is connected with shielding loam cake (20) elasticity.

4. detect the connector that memory cards put in place according to claim 2 or 3 described outage formulas, it is characterized in that: the inner surface of described movable contact piece alive (62) is provided with salient point (621), the position of this salient point (621) is a memory card (30) fully under the insertion state, and this salient point (621) is conflicted with memory card (30).

5. detect the connector that memory card puts in place according to the described outage formula of claim 1, it is characterized in that: the side of described cavity (42) also is provided with card fixing apparatus (70), this card fixing apparatus (70) comprises that one is located at the chute (71) on the insulating body (10), slide block (72) along this chute (71) slides is arranged at the compression spring (73) between slide block (72) and bottom (43); Described slide block (72) is provided with claw (74) and self-locking device (75).

6. detect the connector that memory card puts in place according to the described outage formula of claim 5, it is characterized in that: described claw (74) is that an end is fixed on the shell fragment (741) on the slide block (72), and an other end of this shell fragment (741) is can snap in the upward interior convex of draw-in groove (31) of memory card (30).

7. the connector that puts in place according to the described outage formula detecting of claim 5 memory card is characterized in that: narrow groove (71a) and sipes (71b) that described chute (71) communicates to the arrangement of card inserting mouth (41) direction for from the bottom (43).

8. detect the connector that memory card puts in place according to the described outage formula of claim 5, it is characterized in that: described self-locking device (75) comprises heart-shaped groove (751) and the pointed projection (752) that is arranged on the slide block (72), the inner fovea part of heart-shaped groove (751) is pointed in the tip of this projection (752), also be hinged with pull bar (753) on the described insulating body (10), an other end of this pull bar (753) is a hook-type, and this hook end inserts in the heart-shaped groove (751) and within it and slides.