CN2793972Y - Card connector - Google Patents

Abstract

The utility model relates to a card connector which comprises an insulating base and a plurality of terminal sets, wherein the insulating base is provided with a base, a plurality of upper and lower rows of penetrating grooves are penetrated through the interior of the base, the terminal sets can be penetrated through the penetrating grooves, the terminal sets are provided with at least more than one terminal set, both sides of the base are provided with supporting arms which are extended in the same direction, a butt joint space is formed between the two supporting arms, different prearranged memory cards can be pushed into the butt joint space, the bottom surface of the butt joint space is provided with a plurality of guide parts which are respectively arranged above the ends of the terminal sets which are arranged near the opening part of the insulating base, the front ends of the guide parts are provided with guide slopes and the ends of the guide slopes are extended with positioning planes. When the memory cards are pushed in, the utility model can achieve the efficacy that each memory card can be stably pushed in and the insertion force is low, the aligning between the memory card and the corresponding terminal sets is accurate, the shaking incline and the inverse insertion of the memory card are eliminated and the terminals are protected.

Description

Card connector

Technical field

The utility model provides a kind of card connector; especially refer to be provided with plural guidance part in the bottom surface, butt joint space of insulating base frame; and each guidance part is positioned at the terminal group end top of the opening part of close insulating base frame respectively; by the guide ramp and the plane of orientation of guidance part, reach that memory card is stable to be pushed and insertion force is low, inclinations really, do not rocked in contraposition, prevent that memory card from instead inserting and protecting the effect of terminal.

Background technology

Flash memory is just strong because of calculation function since coming out, speed is fast, the expandability height, the characteristic that high storage density etc. are charming, in many portable devices, gradually replace EEPROM (voltage cancelling programmble read only memory PROM) or battery powered memory, because semiconductor technology progresses greatly day by day at present, the storage density of flash memory and transmission speed have the growth of advancing by leaps and bounds especially, therefore flash memory directly replaces traditional Storage Medias such as hard drives especially in many application, because flash memory has above-mentioned all multi-functional and characteristic, just having relevant dealer to utilize flash memory and develop all types of memory cards, is pcmcia card (Personal Computer Memory Card International Association) as typical memory card.

Memory card on the market includes at present:

Mmc card (Multi Media Card);

CF card (Compact Flash Card);

SMC card (Smart Media Card);

MS card (Memory Stick);

SD card (Secure Digital Memory Card); And

XD card specifications such as (xD-Picture Card), and this type of memory card promptly has been subjected to consumers in general's favor since coming out, and become a kind of indispensable tool using that is almost, and employed relatively card connector is also with increase in demand.

Moreover, the location structure of tradition memory card and connector, be that connector shell is fixed on the circuit board, be plugged in the connector with memory card again, reach the purpose that memory card and connector are electric connection, and because the pattern difference of various memory cards, its apparent size and shape are also variant, and make the memory card of different types, and must be plugged on the connector of the specific pattern that is consistent with its pattern, can make connector read data on file in the memory card.So, also be subjected to the restriction of connector form in use, use dissimilar memory cards and can't substitute.For this reason, must circuit board be provided with the connector of multiple different types, also make the enlarged areas of circuit board, occupation space also increases relatively.

Thus, just there is the dealer to research and develop a kind of connector that provides multiple different size memory card to peg graft is provided, as No. the 536002nd, TW notification number " dual card type electric connector ", see also shown in Figure 8, be disclosed stereo appearance figure, find out by knowing among the figure, this connector is provided with insulating body A, and insulating body A two sides be provided with the bigger grafting width of formation two relatively before the A1 of rail portion, and the two back relatively rail A2 of portion that just are formed with narrower grafting width thereafter, and in the front and back rail A1 of portion, be provided with relative retaining system mouth A3 between A2, be provided with the terminal base A5 that can supply plural terminals group A4 to wear in addition in insulating body A rear end, and plural terminals group A4 has the row of going up terminal A41 and arranges terminal A42 down, and the contact-segment A411 of last row's terminal A41 is for being close to terminal base A5, the contact-segment A421 of following row's terminal A42 then is close to the opening part of insulating body A, is electrical contact for the contact with different preset memory cards.

Above-mentioned disclosed card connector, if use when pushing the short memory card of stroke, its memory card can push in the surfaces A 6 of insulating body A, and advance by the preceding rail A1 of portion guiding, after being a location after the retaining system mouthful A3 backstop, can make down the contact-segment A421 of row's terminal A42 be subjected to the contact of memory card to compress electrically contact of formation, and use when pushing the long memory card of stroke, its memory card can push in the surfaces A 6 of insulating body A, and advance by the back rail A2 of portion guiding, after being a location after the terminal base A5 backstop, contact-segment A411 that can the row of making terminal A41 is compressed by the contact of memory card and forms electrically contact, yet, this kind structural design, make the memory of all size be stuck in when pushing, it pushes stroke and is all same surfaces A 6, push the long memory of stroke and be stuck in when pushing and cause, can compress down earlier row's terminal A42, then move on, and then frictional force increases when causing this kind memory card to push, whether the relative row terminal A42 down of making no matter be electrical contact with corresponding memory card, all can be compressed by memory card is over-stressed, and cause down the deflection of row's terminal A42 elastic displacement excessive, after permanent use, cause elastic fatigue and useful life to reduce easily, and can't be effectively electrically contact with corresponding memory card.Moreover, when pushing regardless of the memory card that is any specification, all be that surfaces A 6 along insulating base frame A pushes, there is no any structure that prevents that memory card from instead inserting is set, if the user is anti-inserted with memory card wherein accidentally, cause set terminal bends in the card connector easily, the distortion or the fracture and can't use, and then cause memory card to extract and stuck in connector, and insulating base frame A inside there is no any guiding structural is set, easy fitted not when not only memory card inserts, and after inserting the location, make the excesssive gap up and down that memory card is adjacent with insulating base frame A, and cause memory card to teetertotter easily, and then cause the data in reading to interrupt running off, make memory card itself reduce useful life.

In sum, how to solve the above problems and defective, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.

Summary of the invention

Main purpose of the present utility model is to provide a kind of card connector, and this card connector can insert the memory card of plurality of specifications, and can prevent that memory card from oppositely inserting, and protects the place ahead terminal directly touched and avoid distortion, damage simultaneously.

For reaching above-mentioned purpose, the technological means that the utility model adopted is as follows:

A kind of card connector, include insulating base frame and the plural terminals group is formed, wherein this insulating base frame has a base portion, be provided with plural number in its base portion thoroughly and can wear groove for the row up and down that the plural terminals group wears, and the plural terminals group has the first terminal group and second terminal group, for the contact of different preset memory cards and corresponding terminal group contact formation electric connection, and the contact site of the first terminal group is close to the base portion of insulating base frame, the contact site of second terminal group then is close to the opening part of insulating base frame, base portion two sides then are extended with support arm in the same way in addition, and be formed with the butt joint space that can push for different preset memory cards in two arm rooms, it is characterized in that

The bottom surface, butt joint space of this insulating base frame is provided with plural guidance part, and each guidance part is respectively corresponding to the contact site end of second terminal group top, and its guidance part front end is formed with guide ramp, and the guide ramp end has extended to form plane of orientation.

By above-mentioned technical characterictic; card connector of the present utility model can make and push the long memory card of stroke and upwards float to the plane of orientation of guidance part; electrically contact with the rear terminal group; directly compress the place ahead terminal when avoiding the elongated memory card to push and increase frictional resistance; plane of orientation by guidance part holds again; the elongated memory card is positioned between plane of orientation and shield shell; can reduce the elongated memory and be stuck in the interior adjacent segment of insulating base frame; cause transfer of data to interrupt running off to prevent the elongated memory card from teetertottering; and the elongated memory card is easily contacted with the terminal contraposition of corresponding rear, so reach memory card stable push and insertion force low; contraposition is certain; do not rock inclination; prevent that memory card from instead inserting and the effect of protection terminal.

Below with reference to accompanying drawing and preferred embodiment of the present utility model its feature and function are described in detail.

Description of drawings

Fig. 1 is a stereo appearance figure of the present utility model.

Fig. 2 is a three-dimensional exploded view of the present utility model.

Fig. 3 is a side cutaway view of the present utility model.

Fig. 4 is the side cutaway view of the utility model when memory card pushes.

Fig. 5 is the side cutaway view of the utility model after memory card pushes.

Fig. 6 is the side cutaway view of the utility model when another memory card pushes.

Fig. 7 is the side cutaway view of the utility model after another memory card pushes.

The stereo appearance figure that Fig. 8 uses for prior art.

Symbol description among the figure:

1, insulating base frame

11, base portion 14, guidance part

111, wear groove 141, guide ramp

12, support arm 142, plane of orientation

13, butt joint space 15, stopper section

2, plural terminals group

21, the first terminal group 221, weld part

211, weld part 222, contact site

212, contact site 223, positioning end

22, second terminal group

3, shield shell

31, base portion 32, alar part

4, memory card

41, groove 43, guiding incline

42, contact

A, insulating body

A1, the preceding rail A411 of portion, contact-segment

A2, the back rail A42 of portion, arrange terminal down

A3, retaining system A421, contact-segment

A4, plural terminals group A5, terminal base

A41, on arrange terminal A6, surface

Embodiment

Please consult shown in Fig. 1,2,3 simultaneously, be stereo appearance figure of the present utility model, three-dimensional exploded view and side cutaway view, find out by knowing among the figure, card connector of the present utility model includes insulating base frame 1, plural terminals group 2 and shield shell 3 to be formed, thus with regard to the primary structure feature of this case describe in detail as after; Wherein:

This insulating base frame 1 is for having a base portion 11, being provided with plural number in its base portion 11 thoroughly arranges up and down and wears groove 111, base portion 11 2 sides then are extended with support arm 12 in the same way, and be formed with the butt joint space 13 that can push for different preset memory card (not shown)s in 12 of two support arms, and butt joint 13 bottom surfaces, space are provided with plural guidance part 14, its guidance part 14 front ends are formed with guide ramp 141, and guide ramp 141 is terminal for having extended to form plane of orientation 142, then is provided with stopper section 15 away from guidance part 14 other sides in the butt joint space 13.

This plural terminals group 2 is for having the first terminal group 21 and second terminal group 22, wherein this first terminal group 21 is worn in the groove 111 for upward the arranging of base portion 11 that is arranged in insulating base frame 1, and the first terminal group 21 1 sides are for being bent with weld part 211 continuously, and weld part 211 is for exposing outside the insulating base frame 1, for being incorporated on the preinstalled circuit plate, then be provided with forniciform contact site 212 away from weld part 211 other sides, and contact site 212 is for being close to the base portion 11 of insulating base frame 1, and make contact site 212 be electric connection with the contact of preset memory card, and second terminal group 22 is that the following row who is arranged in the base portion 11 of insulating base frame 1 wears in the groove 111, and second terminal group, 22 1 sides are for being bent with weld part 221 continuously, and weld part 221 is for exposing outside the insulating base frame 1, for being incorporated on the preinstalled circuit plate, then be provided with forniciform contact site 222 away from weld part 221 other sides, and contact site 222 is for being close to the opening part of insulating base frame 1, and make contact site 222 be electric connection with the contact of another preset memory card, and it is terminal for being outward extended with positioning end 223 in contact site 222, and each positioning end 223 is for stretching into guidance part 14 belows of insulating base frame 1, the positioning end 223 of each terminal that makes second terminal group 22 be all to should there being a guidance part 14, and is subjected to the backstop of guidance part 14 and is a location.

Moreover this insulating base frame 1 top is covered with shield shell 3 for can further covering, and shield shell 3 has a base portion 31, and in base portion 31 2 sides for being bent with alar part 32 downwards, its two alar part 32 is coated on outside the support arm 12 of insulating base frame 1 two sides for fastening.

Please continue to consult Fig. 2,4, shown in 5, be three-dimensional exploded view of the present utility model, side cutaway view when memory card pushes and the side cutaway view after memory card pushes, find out by knowing among the figure, card connector of the present utility model is the memory card 4 that can be applicable to various different size patterns, when the memory card 4 that uses first kind of specification, when pushing the short memory card 4 of stroke as: SD card (Secure Digital Memory Card) etc., only need are pushed by the opening part in the butt joint space 13 of insulating base frame 1, and these type of memory card 4 front bottom end all are provided with and second terminal group, 22 corresponding plural grooves 41, and each groove 41 all contains contact 42, electrically connect for forming with 22 contacts of corresponding second terminal group, and then can carry out the action of data transmission, so, when this memory card 4 pushes, its memory card 4 can be crossed guidance part 14 by each groove 41 of leading edge bottom, after memory card 4 is pushed into the location, its memory card 4 front ends are a location for the stopper section 15 with insulating base frame 1 supports mutually, at this moment, the contact site 222 that the contact 42 of this memory card 4 just can compress second terminal group 22 forms electric connection, if when not using memory card 4, then memory card 4 can be extracted outside the insulating base frame 1, just can discharge the contact site of being suppressed by memory card 4 222, its second terminal group 22 is resetted in butt joint space 13, and the positioning end 223 that makes second terminal group 22 is subjected to guidance part 14 limit stops, reduce the deflection of second terminal group elastic displacement about in the of 22, can electrically contact with contact 42 formation of memory card 4 with the contact site 222 of guaranteeing second terminal group 22.

Please continue to consult Fig. 2,6, shown in 7, be three-dimensional exploded view of the present utility model, side cutaway view when another memory card pushes and the side cutaway view after another memory card pushes, find out by knowing among the figure, card connector desire of the present utility model is used the memory card 4 of second kind of specification, when pushing the long memory card 4 of stroke as: MS card (Memory Stick Card) etc., only need are pushed by the opening part in the butt joint space 13 of insulating base frame 1, and these type of memory card 4 nose thickness comparatively integral thickness are thin, its leading edge has a guiding incline 43, and front bottom end also is provided with and the first terminal group 21 corresponding plural grooves 41, and each groove 41 all contains contact 42, electrically connect for forming with 21 contacts of corresponding the first terminal group, and then can carry out the action of data transmission, so, when this memory card 4 pushes, the guiding incline 43 of its memory card 4 leading edges can be by guide ramp 141 guidings of guidance part 14, guiding memory card 4 upwards floats and holds, this memory card 4 is positioned on the plane of orientation 142 of guidance part 14, continue memory card 4 is pushed into the location, the contact site 212 that makes the contact 42 of memory card 4 compress the first terminal group 21 forms and electrically connects, if when not using memory card 4, then memory card 4 can be extracted outside the insulating base frame 1, just can discharge the contact site of being suppressed by memory card 4 212, its the first terminal group 21 is resetted in butt joint space 13, with this structural design, can avoid this type of to push the long memory card 4 of stroke when inserting, touch second terminal group 22 earlier, and excessively compress second terminal group 22, or it is less to make second terminal group 22 be subjected to this type of memory card 4 to compress deformation extent, can reduce the frictional force of the memory card 4 and second terminal group 22, and then formation low insertion force, make the contact 42 of memory card 4 very easily contact the formation electric connection simultaneously with 21 contrapositions of the first terminal group, and after memory card 4 inserts the location, its memory card 4 can support the plane of orientation 142 and 3 of shield shells be affixed on guidance part 14, but and then make memory card 4 when using strong fix in connector and can not produce the situation generation that teetertotters.

Card connector of the present utility model is for improving the key problem in technology of commonly using:

Guidance part 14 structural designs of this insulating base frame 1, can protect the positioning end 223 of second terminal group 22 of close opening part, make the positioning end 223 of its second terminal group 22 be positioned at guidance part 14 belows, prevent that memory card 4 from directly touching the positioning end 223 of second terminal group 22 when inserting and causing terminal to be out of shape, to damage, pass through the limit stops of guidance part 14 simultaneously, reduce the deflection of second terminal group elastic displacement about in the of 22, can electrically contact with contact 42 formation of memory card 4 with the contact site 222 of guaranteeing second terminal group 22; Moreover, guide ramp 141 designs by guidance part 14, can prevent that memory card 4 from causing the improper crimp of internal terminal because of oppositely inserting, or the memory card 4 anti-slotting and stuck situations that can't extract in insulating base frame 1 take place, when pushing 4 insertions of the long memory card of stroke, also can be along guide ramp 141 guidings, this memory card 4 is upwards floated to the plane of orientation 142 of guidance part 14, be pushed into the location more fully, memory card 4 is very easily contacted with the first terminal group 21 contrapositions at rear form electric connection, so, can avoid this type of to push the long memory card 4 of stroke when pushing at every turn, can excessively compress second terminal group 22 simultaneously, or it is less to make second terminal group 22 be compressed deformation extent, and then can reduce the frictional force of this type of elongated memory card 4 and second terminal group 22, form low insertion force with this, guarantee to prevent second terminal group 22 elastic displacement up and down often, and cause elastic fatigue effectively to contact with memory card, be with, after this type of elongated memory card 4 pushes fully, can make memory card 4 be positioned at 3 of the plane of orientation 142 of guidance part 14 and shield shells, can reduce the adjacent segment of memory card 4 in insulating base frame, produce the situation generation that teetertotters to avoid memory card 4 to push the back, and cause memory card 4 to separate with the first terminal group 21, transfer of data is interrupted or loss.

So; the utility model is the terminal group end top that is positioned near opening part for the guidance part 14 at insulating base frame 1; and to make corresponding respectively each terminal of each guidance part 14 be main key protection point; also can push the memory card 4 of one or one above different size in addition in the butt joint space 13 of insulating base frame 1, and the memory card 4 that this butt joint space 13 can be put can be:

Mmc card (Multi Media Card),

CF card (Compact Flash Card),

SMC card (Smart Media Card),

MS card (Memory Stick),

SD card (Secure Digital Memory Card),

The combination in any of XD card all size patterns such as (xD-Picture Card).

The above, it only is preferred embodiment of the present utility model, non-so promptly limit to claim of the present utility model, contained by the utility model so can reach the form of aforementioned effect such as, simple and easy modification of this kind and equivalent structure change, all should in like manner be contained in the claim of the present utility model, close and give Chen Ming.

Only illustrate in the above-mentioned detailed description at preferable possible embodiments of the present utility model, only, this embodiment is not in order to limit claim of the present utility model, such as other does not break away from the equalization of being finished under the skill spirit that the utility model discloses and changes and modify change, all should be contained in the claim that the utility model contains.

In sum, card connector of the present utility model has obvious effect when using promotes, and really meets the patent requirement of novelty, utility model and progressive, files an application in accordance with the law.

Claims (9)

1, a kind of card connector, include insulating base frame and the plural terminals group is formed, wherein this insulating base frame has a base portion, be provided with plural number in its base portion thoroughly and can wear groove for the row up and down that the plural terminals group wears, and the plural terminals group has the first terminal group and second terminal group, for the contact of different preset memory cards and corresponding terminal group contact formation electric connection, and the contact site of the first terminal group is close to the base portion of insulating base frame, the contact site of second terminal group then is close to the opening part of insulating base frame, base portion two sides then are extended with support arm in the same way in addition, and be formed with the butt joint space that can push for different preset memory cards in two arm rooms, it is characterized in that

The bottom surface, butt joint space of this insulating base frame is provided with plural guidance part, and each guidance part is respectively corresponding to the contact site end of second terminal group top, and its guidance part front end is formed with guide ramp, and the guide ramp end has extended to form plane of orientation.

2, card connector as claimed in claim 1 is characterized in that, then is provided with the stopper section away from other side of guidance part in the butt joint space of this insulating base frame.

3, card connector as claimed in claim 1, it is characterized in that, the row of going up that this first terminal group is arranged in the base portion of insulating base frame wears in the groove, and the first terminal group one side is bent with weld part continuously, and weld part exposes outside the insulating base frame, for being incorporated on the preinstalled circuit plate, then is provided with forniciform contact site away from other side of weld part, and the contact site is in the butt joint space of insulating base frame, and contacts with the contact of preset memory card and to be electric connection.

4, card connector as claimed in claim 1, it is characterized in that, the following row that this second terminal group is arranged in the base portion of insulating base frame wears in the groove, and second terminal group, one side is bent with weld part continuously, and weld part exposes outside the insulating base frame, for being incorporated on the preinstalled circuit plate, then be provided with forniciform contact site away from other side of weld part, and the contact site is in the butt joint space of insulating base frame, and contact with the contact of another preset memory card and to be electric connection, and terminal for being outward extended with positioning end in contact site, and each positioning end is to stretch into below the guidance part of insulating base frame correspondingly, and positioning end is subjected to the backstop of guidance part and is a location.

5, card connector as claimed in claim 1, it is characterized in that this insulating base frame top further cover is covered with shield shell, and shield shell has a base portion, and under base portion two side direction, being bent with alar part, these base portion two flank section fasten and are coated on outside the support arm of insulating base frame two sides.

6, a kind of card connector, include insulating base frame and the plural terminals group is formed, wherein this insulating base frame has a base portion, be provided with the row up and down that plural number can wear for the plural terminals group in its base portion thoroughly and wear groove, and the plural terminals group has one group of above terminal group at least and form, form electric connection for the contact contact of different preset memory cards, base portion two sides then are extended with support arm in the same way in addition, and be formed with the butt joint space that can push for different preset memory cards in two arm rooms, it is characterized in that

The bottom surface, butt joint space of this insulating base frame is provided with plural guidance part, and each guidance part is positioned at the terminal group end top near the opening part of insulating base frame respectively, and its guidance part front end is formed with guide ramp, and the guide ramp end has extended to form plane of orientation.

7, card connector as claimed in claim 6 is characterized in that, then is provided with the stopper section away from other side of guidance part in the butt joint space of this insulating base frame.

8, card connector as claimed in claim 6, it is characterized in that, terminal one side of this plural terminals group is bent with weld part continuously, and weld part exposes outside the insulating base frame, for being incorporated on the preinstalled circuit plate, then be provided with forniciform contact site away from other side of weld part, and the contact site is in the butt joint space of insulating base frame, and contact with the contact of preset memory card and to be electric connection, and be outward extended with positioning end in the contact site end, and that each positioning end stretches into the guidance part below of insulating base frame is corresponding, and positioning end is subjected to the backstop of guidance part and is a location.

9, card connector as claimed in claim 6, it is characterized in that this insulating base frame top further cover is covered with shield shell, this shield shell has a base portion, and under base portion two side direction, being bent with alar part, these base portion two flank section fasten and are coated on outside the support arm of insulating base frame two sides.

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