CN2636442Y

CN2636442Y - Surface bonding type twin memory card connector

Info

Publication number: CN2636442Y
Application number: CNU032665695U
Authority: CN
Inventors: 江瑞读
Original assignee: T Conn Precision Corp
Current assignee: T Conn Precision Corp
Priority date: 2003-07-02
Filing date: 2003-07-02
Publication date: 2004-08-25
Anticipated expiration: 2013-07-02

Abstract

The utility model relates to a surface-attached dual memory card connector, in particular to a connector to synchronously connect with memory card of two varied specifications, which mainly overlaps a first substrate with a second substrate and is externally wrapped by a metal cover board. A plurality of contact terminals are arranged on an internal bottom surface of the first substrate/the second substrate to ensure electric contact with an inserted memory card. In addition, contact terminals on the first substrate/the second substrate are arranged on a relative position. A horizontal section is provided at an end of the contact terminal for mounting onto the circuit board through Surface Mount Technology (SMT). The design as above can provide a connecting interface for two memory cards with varied specifications to eliminate inconvenience and trouble arising from one prior connector only for one memory card.

Description

Surface stuck twin memory card connector

Technical field

The utility model is about a kind of surface stuck twin memory card connector, refers to a kind of connector that can link interface simultaneously as two kinds of different size memory cards especially.

Background technology

Because electronic product moves towards digitlization gradually, all adopt memory card as Storage Media as portable type household electrical appliances such as digital camera, digital camera, MP3 player or handheld apparatus, not only volume is small and exquisite for it, and storage volume is also in constantly increasing.Yet because each tame memory card manufacturer, release the flash memory of different size respectively for consolidating interests own, Compact Flash (CF), Smart Media (SMC), multimedia card Multi Media (MMC), numeric security card Secure Digital (SD), Memorystick (MS), Magicgate etc. are promptly arranged with regard to existing memory card specification.

Because different memory cards has very greatly different difference on specification, so can't compatiblely use, also mean simultaneously if will use the memory card of a certain specific standard, promptly must use the connector of corresponding specification, be a card a connector, but for many read or writing station (as calculating punch, computer etc.), in fact it exist the demand that can read and write two or more different size memory card simultaneously, even so, still be subjected to the restriction of a card a connector, the connector of two or more different size must be installed, no matter its preferred plan with regard to the arrangement in space or assembling operation respectively.This shows that a kind of connector that links at least two kinds of memory cards has the necessity of its existence really, but still must consider its improved efficiency and constructional abbreviation in the utilization of space, the direction that this should endeavour to develop by industry.

The utility model content

Therefore, main purpose of the present invention is providing a kind of connector that can link interface as two kinds of different size memory cards simultaneously and fully use space, simplified construction.

For reaching the major technique means that aforementioned purpose takes is to make aforementioned connector be coincided mutually by one first pedestal and one second pedestal, and it is outside and coated by a metal cover board; Wherein:

Be arranged with a card ejection in the first/the second pedestal, to carry out the card motion that moves back of memory card; Again the first/the second pedestal inner bottom surface and be arranged with the plural number contact terminal, electrically contact for constituting with the memory card that inserts, and the outboard end of set contact terminal is to be positioned on the relative position of connector on the first/the second pedestal, and, be provided with surface mount technology (SMT) and be mounted on the wiring board in place, end formation horizontal segment;

The memory card that utilizes previous designs to remove two kinds of different sizes can be provided is as linking interface, and utilizes the relative configuration mode of two set of contact terminals can effectively use the space, and makes its structure more attain simplifications, merely, thereby the twin memory card connector of a practicality is provided.

The both sides of aforementioned the first/the second pedestal and dorsal part are formed with continuous enclosure wall, and in front end formation one insertion port, be formed with the terminal groove of plural number again on the first pedestal inner bottom surface, be arranged with a contact terminal in each terminal groove, inboard one end of this contact terminal is that branch is overshooting shape.

Its outside one end of contact terminal on aforementioned first pedestal is to extend to insert beyond the port, and bending downwards and form a horizontal segment in the place, end.

Its outside one end of the contact terminal of aforementioned second pedestal is to be posted by on the wall face to bending behind the enclosure wall by the back, and this contact terminal is formed with a horizontal segment respectively in the place, end again.

This first pedestal is formed with a wedge post respectively in the appropriate location of enclosure wall upper surface, both sides, and this second pedestal then forms the wedge hole respectively on the relative position of outer bottom, so that the two mutual wedging when coinciding up and down.

Be provided with two switch shrapnels in aforementioned second pedestal, it is with respect to the direction of insertion of memory card, be to be the open circuit shape under the normality, and can be the memory card ejection of insertion and connect, the two switch shrapnels outside, one end is formed with the pin terminal, and extend to beyond the back enclosure wall of second pedestal, after bending, be posted by on the wall face; Place, the end of pin terminal is formed with a horizontal segment again, is provided with the surface mount mode and installs.

Description of drawings

Fig. 1: be exploded view of the present utility model.

Fig. 2: the plane graph that is the utility model first pedestal.

Fig. 3: be combination side-looking of the present utility model and partial sectional view.

Fig. 4: the plane and the action schematic diagram that are the utility model second pedestal.

Fig. 5: be another plane of the utility model second pedestal and action schematic diagram.

Fig. 6: the line map that is an indicator light circuit.

Fig. 7: be outside drawing of the present utility model.

Embodiment

Relevant structure part of the present utility model at first sees also shown in Figure 1ly, mainly coats aforementioned the two metal cover board (30) by one first pedestal (10) that coincides mutually, one second pedestal (20) and one and is formed; Wherein:

This first pedestal (10) is that in present embodiment, it is MS card (Memory stick) for the memory card that links first kind of specification; And first pedestal (10) is to form continuous enclosure wall on both sides and dorsal part, and forms memory card insertion port (17) in front end;

And, further be formed with the terminal groove (11) of plural number on first pedestal (10) inner bottom surface, be arranged with a contact terminal (12) in each terminal groove (11), inboard one end of this contact terminal (12) is that branch is overshooting shape, so that when memory card inserts first pedestal (10), contact to constitute electrical connection with the metal gasket of this memory card bottom surface; The outside one end of contact terminal (12) is to extend to aforesaid insertion port (17) in addition, and bending downwards and form a horizontal segment (120) in the place, end again is provided as the usefulness of surface mount (SMD), and is connected with circuit on the circuit board;

Moreover, first pedestal (10) is formed with a wedge post (13) respectively in the appropriate location of enclosure wall upper surface, both sides, in present embodiment, first pedestal (10) is to be formed with a wedge post (13) respectively in the front and back end of two side, so that, be able to mutual wedging with second pedestal (20) when coinciding up and down;

In addition, aforementioned first pedestal (10) is formed with a recess (14) on a gusset wall, and recess (14) is provided with a card ejection (15); Wherein:

This recess (14) front and back end is formed with a chase (141) and a commutation groove (142) respectively, is provided with a spring (143) in this chase (141), to give aforementioned card ejection (15) one elasticity recoveries;

This card ejection (15) generally is one, and " shape, its medial extremity are to extend to form a stopper (151) with horizontal direction, when memory card inserts, will push away the stopper of pulling (151) and make card ejection (15) retreat (as shown in Figure 2).

Still see also shown in Figure 1ly, this card ejection (15) bottom surface is formed with a groove (not shown), places therebetween for aforementioned spring (143), when card ejection (15) when retreating, also compresses this spring (143) simultaneously; Card ejection (15) is provided with a ㄇ shape and colludes part (16) again, the one end colludes to be located on the card ejection (15), end then penetrates in the commutation groove (142) of recess (14) one ends in addition, this commutation groove (142) provides the shift motion that colludes part (16) one single directions, when card ejection (15) pusher, collude part (16) retreats thereupon, the one end also moves to the inboard of commutation groove (142), and block is on its cell wall, push away in the card ejection (15) of waiting is further, aforementioned block state is removed, and card ejection this moment (15) will be subjected to the elasticity recovery ejection of spring (143) and outwards withdraw from, and colludes the leading portion that part (16) one ends also are retracted into commutation groove (142) this moment; Because aforementioned trip mechanism is to be prior art, hold not being described in further detail its structure and manner of execution.

Also have, this second pedestal (20) is that in the present embodiment, it is a kind of numeric security card (SD) for the memory card that links second kind of specification; With regard to textural, itself and first pedestal (10) are roughly the same, and this second pedestal (20) is to form continuous enclosure wall on both sides and dorsal part, and form a memory card in front end and insert port (27);

Second pedestal (20) appropriate position, bottom surface is formed with wedge hole (not shown) respectively, and this wedge hole is corresponding to the wedge post (13) on first pedestal (10), so that mutual wedging;

Moreover, aforementioned second pedestal (20) is formed with a recess (24) on a gusset wall, recess (24) is provided with a card ejection (25), and in present embodiment, this recess (24) is with respect to recess (14) on first pedestal (10) and card ejection (15) with the position of card ejection (25); Because the mechanism of the last set card ejection (25) of second pedestal (20) and the card ejection (15) of manner of execution and first pedestal (20) are roughly the same, hold and do not repeat to give unnecessary details.

In addition, still be formed with the terminal groove (21) of plural number on aforementioned second pedestal (20) inner bottom surface, each terminal groove (21) runs through the back enclosure wall and the outside metope thereof of second pedestal (20) respectively, be arranged with a contact terminal (22) in each terminal groove (21) again, inboard one end of this contact terminal (22) is that branch is overshooting shape, so that during second pedestal (20), contact to constitute electrical connection when inserting port (27) and insert with the metal gasket of this memory card bottom surface at memory card; The outside one end of contact terminal (22) is by the back enclosure wall, and is formed with a horizontal segment (220) in end place, is provided as the usefulness of surface mount (SMD), and is connected with circuit on the circuit board;

What deserves to be mentioned is: before second pedestal (20) mutually combines with first pedestal (10), outboard end of set each contact terminal (22) is to be permanent angle (as shown in Figure 3) greater than 90 degree on it, after the first/the second pedestal (10)/(20) mutually combine, be bent to 90 degree again, then be close on the wall face of back, the first/the second pedestal (10)/(20) enclosure wall, like this, can make the horizontal segment (220) of contact terminal (22) end have preferable flatness, surface mount technology is more attained smoothly really.

An enterprising step of the back enclosure wall of second pedestal (20) is formed with a breach (23), be provided with pair of switches shell fragment (28) (29) between this breach (23), its the two be formed with pin terminal (280) (290) respectively, and extend to outside the enclosure wall of back, identical with each contact terminal (22), all be to be posted by on the wall face of back enclosure wall, place, the end of each pin terminal (280) (290) also is formed with horizontal segment (281) (291), is provided as the usefulness of surface mount.

As shown in Figure 4, not insert second pedestal (20) fully preceding when memory card (50), two switch shrapnels (28) (29) are to be the open circuit shape, after memory card (50) inserts fully, two switch shrapnels (28) (29) are subjected to memory card (50) front-end edge pushing tow and are in contact with one another (as shown in Figure 5), can be used as the usefulness of signaling switch by this;

As shown in Figure 6, disclosing has an indicator light circuit (60) that can cooperate aforementioned connector to use, and in order to the insertion that shows memory card whether this indicator light circuit (60) be, and its switch can utilize aforementioned switches shell fragment (28) (29) to constitute.

Still see also shown in Figure 1ly, the cover plate of aforementioned connector (30) is that the metal charge material punching press by sheet constitutes, and it is a ㄇ tee section, and the root edge of its relative two vertical sides has extended to form two cramps (31) respectively, can be fastened on first pedestal (10) root edge through bending; Cover plate (30) removes the usefulness as cap again, and the grounded metal lid in order to disturb as protection against noise is not subjected to noise jamming to guarantee reading and writing data yet.

Aforementioned connector its outward appearance after forming is as shown in Figure 7, and it can insert for the memory card (40) (50) of two kinds of different sizes and link.

Can find out concrete structure kenel of the present utility model by above-mentioned explanation, mainly can be by same connector modules and calculating punch, computer with these designs at the memory card that makes two kinds of different sizes, even the control of digitalized electron product is that system constitute to link, and caused awkward puzzlement to solve a card a connector; Twin memory card connector design of the present utility model again is not that simple quantity increases, and unique design is arranged in the arrangement of space structure really, be arranged on the relative position as the contact terminal on the first/the second pedestal, and need not strengthen width or dwindle terminal pitch because of pin.

Claims

1. a surface stuck twin memory card connector mainly is to be coincided mutually by one first pedestal and one second pedestal, and it is outside and coated by a metal cover board; It is characterized in that: be arranged with a card ejection in the first/the second pedestal, to carry out the card motion that moves back of memory card; Again the first/the second pedestal inner bottom surface and be arranged with the plural number contact terminal, electrically contact for constituting with the memory card that inserts, and the outboard end of set contact terminal is to be positioned on the relative position of connector on the first/the second pedestal, and, be provided with surface mount technology and be mounted on the wiring board in place, end formation horizontal segment.

2. surface stuck twin memory card connector as claimed in claim 1, it is characterized in that: the both sides of this first/the second pedestal and dorsal part are formed with continuous enclosure wall, and in front end formation one insertion port, be formed with the terminal groove of plural number again on the first pedestal inner bottom surface, be arranged with a contact terminal in each terminal groove, inboard one end of this contact terminal is that branch is overshooting shape.

3. surface stuck twin memory card connector as claimed in claim 2 is characterized in that: its outside one end of the contact terminal on this first pedestal is to extend to insert beyond the port, and bending downwards and form a horizontal segment in the place, end.

4. as claim 2 or 3 described surface stuck twin memory card connectors, it is characterized in that: its outside one end of the contact terminal of this second pedestal is to be posted by on the wall face to bending behind the enclosure wall by the back, and this contact terminal is formed with a horizontal segment respectively in the place, end again.

5. surface stuck twin memory card connector as claimed in claim 4, it is characterized in that: this first pedestal is formed with a wedge post respectively in the appropriate location of enclosure wall upper surface, both sides, this second pedestal then forms the wedge hole respectively on the relative position of outer bottom, so that the two mutual wedging when coinciding up and down.

6. surface stuck twin memory card connector as claimed in claim 2, it is characterized in that: be provided with two switch shrapnels in this second pedestal, it is with respect to the direction of insertion of memory card, be to be the open circuit shape under the normality, and can be the memory card ejection of insertion and connect, the two switch shrapnels outside, one end is formed with the pin terminal, and extends to beyond the back enclosure wall of second pedestal, is posted by on the wall face after bending; Place, the end of pin terminal is formed with a horizontal segment again, is provided with the surface mount mode and installs.

7. surface stuck twin memory card connector as claimed in claim 1 is characterized in that: this cover plate is to be the ㄇ shape, and ora terminalis has extended to form a cramp under its two vertical side, bent first base bottom surface that is fastened on.The steady operation of connector in accommodation chamber.