CN102810776B - Clockwise card inserting type dual-card connector - Google Patents
Clockwise card inserting type dual-card connector Download PDFInfo
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- CN102810776B CN102810776B CN201110142426.7A CN201110142426A CN102810776B CN 102810776 B CN102810776 B CN 102810776B CN 201110142426 A CN201110142426 A CN 201110142426A CN 102810776 B CN102810776 B CN 102810776B
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- terminal
- upper strata
- lower floor
- card
- contact portion
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Abstract
The invention discloses a clockwise card inserting type dual-card connector. The clockwise card inserting type dual-card connector is provided with a metal shell, an insulating base body, a plurality of upper layer terminals and a plurality of lower layer terminals, wherein contacts of the lower layer terminals are positioned at the front parts of free terminals of contact parts of the lower layer terminals, the contacts of the upper layer terminals are positioned at the front parts of the free terminals of the contact parts of the upper layer terminals, i.e. the upper layer terminals and the lower layer terminals are all in clockwise inserting design, thus two cards are all in a clockwise card inserting mode, misinsertion is not easy to cause, and the upper layer terminals and the lower layer terminals cannot be damaged no matter the two cards are clockwise inserted or anticlockwise inserted; and the contact parts of the upper layer terminals are downwards pressed after a first card is inserted into upper containing space, the contact parts of the upper layer terminals are still positioned in the upper containing space, and thus a second card at the lower layer cannot be damaged by the upper layer terminals.
Description
Technical field
The invention belongs to Mass Data Storage Facility field of connectors, relate generally to and a kind ofly can hold two T Flash cards and the architecture advances of the Double-card connector be connected with motherboard.
Background technology
T Flash card is the card class being used for internal document be placed in digital product, such as digital camera, mobile phone, MP3 etc., and T Flash card memory size varies, and needs to select according to oneself.The full name of T Flash (TransFLash), be called for short TF card, this is the memory card specification of the latest generation that Motorola and SanDisk releases jointly, and it have employed up-to-date encapsulation technology, and coordinate SanDisk up-to-date NAND MLC technology and controller technology, size (11mm x 15mm x1mm), approximate half SIM card, TF card is a member of SD card product member, with SD adapter, can compatible any SD card reader, TF card can after SD ticket converter, when SD card uses.TFlash card is flash card minimum on the market now, is applicable to multinomial multimedia application.Trans flash product adopts SD architecture design to form, and SD association will formally be renamed as Micro SD the end of the year in 2004, become a member in SD product.
TF connector, also claiming TF deck, for inserting TF card, and being connected with motherboard by TF card.In order to improve memory capacity, reducing thickness and the size of product, therefore developing Double-card connector.The existing Double-card connector product that can hold two TF cards, as shown in Figure 7, design mainly through the reverse plug-in card of upper strata terminal shell fragment C (referring to facing down of card A), lower floor terminal shell fragment D forward plug-in card (referring to facing up of card B) design, realize the product structure simultaneously inserting two TF cards, but in actual use procedure, as shown in Figure 8, upper strata terminal shell fragment D easily scratches lower floor TF card B, and user is in not clear situation, by mistake by lower floor TF card B anti-plug, short circuit is easily caused to burn card, or as shown in Figure 9, user is in not clear situation, by mistake by upper strata TF card A anti-plug, and destroy upper strata terminal shell fragment C.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of double card connector of forward plug-in type, this double card connector of forward plug-in type is owing to improving terminal, the plug-in card mode making two to block is all along inserting, all can not cause the problem hidden danger of picture prior art products to product along slotting or anti-plug, and structure is simple, easy to implement.
The present invention in order to the technical scheme solving its technical problem and adopt is:
A kind of double card connector of forward plug-in type, there is metal-back, insulating base frame, some upper stratas terminal and some lower floors terminal, on having before described insulating base frame, lower two insert ports, on described, lower two insert ports are concavely formed respectively to insulating base frame inside, lower two are respectively used to accommodating first, two card upper, lower accommodation space, on, lower floor's terminal is placed in insulating base frame by terminal Plug Division, upper strata and lower floor's terminal Plug Division respectively, upper strata terminal contact portion is positioned at accommodation space and supplies to block with first to contact conducting, terminal soldering portion, upper strata is welded in mainboard, lower floor's terminal contact portion is positioned at lower accommodation space and supplies to block with second to contact conducting, terminal soldering portion of lower floor is welded in mainboard, described lower floor terminal contact portion is bending, the peak of forniciform lower floor terminal contact portion is block the lower floor's terminal contact contacted with second, described lower floor terminal contact is positioned at the front of the free terminal of described lower floor terminal contact portion, described upper strata terminal contact portion is bending, the peak of bending upper strata terminal contact portion is block the upper strata terminal contact contacted with first, described upper strata terminal contact is positioned at the front of the free terminal of described upper strata terminal contact portion.
Further technical scheme of the present invention is:
The structure of described upper strata terminal is preferably: upper strata tine resiliency arm and upper strata terminal contact portion are extended successively obliquely by after forward direction in terminal Plug Division, described upper strata.First card presses down described upper strata terminal contact portion after inserting upper accommodation space, described upper strata terminal contact portion is still positioned at described upper accommodation space, it is preferred that the free terminal of described upper strata terminal contact portion is higher than the tie point of described upper strata terminal contact portion and upper strata tine resiliency arm.Terminal soldering portion, described upper strata is positioned at connector rear, have upper strata terminal connection part between terminal Plug Division, described upper strata and terminal soldering portion, described upper strata, described upper strata terminal connection part is made up of with the vertical section being positioned at insulating base frame rear the flat segments being positioned at insulating base frame.
The structure of described upper strata terminal also can be: upper strata tine resiliency arm is extended forward in terminal Plug Division, described upper strata, tine resiliency arm front end, described upper strata extends upper strata terminal contact portion rearwardly and upwardly, terminal soldering portion, described upper strata is positioned at connector rear, has upper strata terminal connection part between terminal Plug Division, described upper strata and terminal soldering portion, described upper strata.
The structure of described lower floor terminal is: terminal soldering portion of described lower floor extends back lower floor's terminal Plug Division, and lower floor's tine resiliency arm and lower floor's terminal contact portion are extended successively obliquely by after forward direction in described lower floor's terminal Plug Division.
Described insulating base frame is formed by separate upper pedestal and lower base stack assembly, and described upper accommodation space is jointly defined by described metal-back and upper pedestal and forms, and described lower accommodation space is jointly defined by described upper pedestal and described lower base and forms.
Described first card (A) is TransFLash card.
Described second card (B) is TransFLash card.
The invention has the beneficial effects as follows: the front being positioned at the free terminal of lower floor's terminal contact portion due to lower floor's terminal contact, upper strata terminal contact is positioned at the front of the free terminal of upper strata terminal contact portion, namely, upper strata terminal and lower floor's terminal are all along plugging meter, therefore the plug-in card mode of two cards is consistent, being all along inserting, being therefore not easy to cause to misplug, and all can not damage upper and lower layer terminal along slotting or anti-plug; Again owing to pressing down upper strata terminal contact portion after the upper accommodation space of the first card insertion, upper strata terminal contact portion is still positioned at accommodation space, and therefore upper strata terminal can not damage the second card of lower floor.
Accompanying drawing explanation
Fig. 1 is stereoscopic figure of the present invention;
Fig. 2 is decomposition texture schematic diagram of the present invention;
Fig. 3 is plug-in card state profile of the present invention;
Fig. 4 is the partial enlarged drawing of Fig. 3;
Fig. 5 is upper strata of the present invention terminal structure schematic diagram;
Fig. 6 is lower floor of the present invention terminal structure schematic diagram;
Fig. 7 is the existing Double-card connector product plug-in card state profile that can hold two TF cards;
Fig. 8 is the schematic diagram that lower floor's terminal shell fragment of existing Double-card connector product easily scratches lower floor TF card;
Fig. 9 is that upper strata TF card anti-plug is entered the schematic diagram that existing Double-card connector product destroys upper strata terminal shell fragment by user by mistake.
Embodiment
Embodiment: a kind of double card connector of forward plug-in type, its overall structure is as Fig. 1, shown in 2 and 3, there is metal-back 1, insulating base frame, some upper stratas terminal 3 and some lower floors terminal 4, on having before described insulating base frame, lower two insert ports, on described, lower two insert ports are concavely formed respectively to insulating base frame inside, lower two are respectively used to accommodating first, two card A, B's is upper, lower accommodation space, on, lower floor's terminal is placed in insulating base frame by terminal Plug Division, upper strata and lower floor's terminal Plug Division respectively, upper strata terminal contact portion 31 be positioned at accommodation space for and first block A and contact conducting, terminal soldering portion, upper strata 32 is welded in mainboard, lower floor's terminal contact portion 41 be positioned at lower accommodation space for and second block B and contact conducting, terminal soldering portion of lower floor 42 is welded in mainboard.
The present embodiment emphasis is stressed that upper strata terminal structure, the structure of upper strata terminal is as follows: as shown in Fig. 3,5, upper strata tine resiliency arm 34 and upper strata terminal contact portion 31 are extended successively obliquely by after forward direction in terminal Plug Division, described upper strata 33, and upper strata terminal contact portion 31 is bending; As shown in Figure 3,4, the peak of bending upper strata terminal contact portion is block the upper strata terminal contact 311 contacted with first, and described upper strata terminal contact is positioned at the front of the free terminal 312 of described upper strata terminal contact portion.From said structure, this upper strata terminal plugs meter for suitable.As shown in Fig. 3,5, terminal soldering portion, described upper strata 32 is positioned at connector rear, have upper strata terminal connection part 35 between terminal Plug Division, described upper strata 33 and terminal soldering portion, described upper strata 32, described upper strata terminal connection part is made up of with the vertical section being positioned at insulating base frame rear the flat segments being positioned at insulating base frame.As shown in Figure 4, the free terminal 312 of described upper strata terminal contact portion is higher than the tie point of described upper strata terminal contact portion and upper strata tine resiliency arm, first card presses down described upper strata terminal contact portion after inserting upper accommodation space, described upper strata terminal contact portion is still positioned at described upper accommodation space, therefore can not damage the second card of lower floor.
The structure of described lower floor terminal is: as shown in Figure 6, terminal soldering portion of described lower floor 42 extends back lower floor's terminal Plug Division 43, lower floor's tine resiliency arm 44 and lower floor's terminal contact portion 41 are extended successively obliquely by after forward direction in described lower floor's terminal Plug Division, described lower floor terminal contact portion 41 is bending, as shown in Figure 3, the peak of forniciform lower floor terminal contact portion is block the lower floor's terminal contact 411 contacted with second, and described lower floor terminal contact is positioned at the front of the free terminal 412 of described lower floor terminal contact portion.From said structure, this lower floor's terminal plugs meter for suitable.
As shown in Figure 2,3, described insulating base frame is formed by separate upper pedestal 21 and lower base 22 stack assembly, described upper accommodation space is jointly defined by described metal-back 1 and upper pedestal 21 and forms, and described lower accommodation space is jointly defined by described upper pedestal 21 and described lower base 22 and forms.
Described first card A is TransFLash card.
Described second card B is TransFLash card.
This embodiment and diagram are only preferred embodiment of the present invention, when can not with restriction scope of the present invention, the equalization generally done within the scope of the claims in the present invention change with modify, all should belong in scope that the present invention contains.
Claims (3)
1. a double card connector of forward plug-in type, there is metal-back (1), insulating base frame, some upper stratas terminal (3) and some lower floors terminal (4), on having before described insulating base frame, lower two insert ports, on described, lower two insert ports are concavely formed respectively to insulating base frame inside, lower two are respectively used to accommodating first, two card (A, B) upper, lower accommodation space, on, lower floor's terminal is placed in insulating base frame by terminal Plug Division, upper strata and lower floor's terminal Plug Division respectively, upper strata terminal contact portion (31) is positioned at accommodation space and contacts conducting for blocking (A) with first, terminal soldering portion, upper strata (32) is welded in mainboard, lower floor's terminal contact portion (41) is positioned at lower accommodation space and contacts conducting for blocking (B) with second, lower floor terminal soldering portion (42) is welded in mainboard, described lower floor terminal contact portion (41) is bending, the peak of forniciform lower floor terminal contact portion is block the lower floor's terminal contact (411) contacted with second, described lower floor terminal contact is positioned at the front of the free terminal (412) of described lower floor terminal contact portion, it is characterized in that: described upper strata terminal contact portion (31) is bending, the peak of bending upper strata terminal contact portion is block the upper strata terminal contact (311) contacted with first, described upper strata terminal contact is positioned at the front of the free terminal (312) of described upper strata terminal contact portion, terminal Plug Division, described upper strata (33) is by extending upper strata tine resiliency arm (34) and upper strata terminal contact portion (31) after forward direction successively obliquely, first card presses down described upper strata terminal contact portion after inserting upper accommodation space, described upper strata terminal contact portion is still positioned at described upper accommodation space, the free terminal (312) of described upper strata terminal contact portion is higher than the tie point of described upper strata terminal contact portion and upper strata tine resiliency arm, terminal soldering portion, described upper strata (32) is positioned at connector rear, there is between terminal Plug Division, described upper strata (33) and terminal soldering portion, described upper strata (32) upper strata terminal connection part (35), described upper strata terminal connection part is made up of with the vertical section being positioned at insulating base frame rear the flat segments being positioned at insulating base frame, the structure of described lower floor terminal is: described lower floor terminal soldering portion (42) extends back lower floor's terminal Plug Division (43), described lower floor's terminal Plug Division is by extending lower floor's tine resiliency arm (44) and lower floor's terminal contact portion (41) after forward direction successively obliquely, described insulating base frame is formed by separate upper pedestal (21) and lower base (22) stack assembly, described upper accommodation space is jointly defined by described metal-back (1) and upper pedestal (21) and forms, described lower accommodation space is jointly defined by described upper pedestal (21) and described lower base (22) and forms.
2. double card connector of forward plug-in type according to claim 1, is characterized in that: described first card (A) is TransFLash card.
3. according to the double card connector of forward plug-in type one of claim 1 to 7 Suo Shu, it is characterized in that: described second card (B) is TransFLash card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110142426.7A CN102810776B (en) | 2011-05-30 | 2011-05-30 | Clockwise card inserting type dual-card connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110142426.7A CN102810776B (en) | 2011-05-30 | 2011-05-30 | Clockwise card inserting type dual-card connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810776A CN102810776A (en) | 2012-12-05 |
| CN102810776B true CN102810776B (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110142426.7A Active CN102810776B (en) | 2011-05-30 | 2011-05-30 | Clockwise card inserting type dual-card connector |
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| Country | Link |
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| CN (1) | CN102810776B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190272453A1 (en) * | 2018-03-01 | 2019-09-05 | Apple Inc. | Dual sim card connector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2579040Y (en) * | 2002-11-13 | 2003-10-08 | 钜航科技股份有限公司 | Double-card electric connector |
| CN2582200Y (en) * | 2002-12-03 | 2003-10-22 | 致威电子（昆山）有限公司 | Multiple-memory card connector |
| CN2651960Y (en) * | 2003-09-02 | 2004-10-27 | 钜航科技股份有限公司 | Double-card connector |
| CN2671159Y (en) * | 2004-01-13 | 2005-01-12 | 钜航科技股份有限公司 | Conductive terminal protector of multi-card connector |
| CN201041874Y (en) * | 2007-02-26 | 2008-03-26 | 实盈电子(东莞)有限公司 | Combined card connector |
| CN201185255Y (en) * | 2008-04-01 | 2009-01-21 | 东莞捷仕美电子有限公司 | Card connector terminal structure |
| CN201278378Y (en) * | 2008-08-08 | 2009-07-22 | 富港电子（东莞）有限公司 | Stacking card connector set |
| CN202111248U (en) * | 2011-05-30 | 2012-01-11 | 昆山杰顺通精密组件有限公司 | Double card connector of forward plug-in type |
-
2011
- 2011-05-30 CN CN201110142426.7A patent/CN102810776B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2579040Y (en) * | 2002-11-13 | 2003-10-08 | 钜航科技股份有限公司 | Double-card electric connector |
| CN2582200Y (en) * | 2002-12-03 | 2003-10-22 | 致威电子（昆山）有限公司 | Multiple-memory card connector |
| CN2651960Y (en) * | 2003-09-02 | 2004-10-27 | 钜航科技股份有限公司 | Double-card connector |
| CN2671159Y (en) * | 2004-01-13 | 2005-01-12 | 钜航科技股份有限公司 | Conductive terminal protector of multi-card connector |
| CN201041874Y (en) * | 2007-02-26 | 2008-03-26 | 实盈电子(东莞)有限公司 | Combined card connector |
| CN201185255Y (en) * | 2008-04-01 | 2009-01-21 | 东莞捷仕美电子有限公司 | Card connector terminal structure |
| CN201278378Y (en) * | 2008-08-08 | 2009-07-22 | 富港电子（东莞）有限公司 | Stacking card connector set |
| CN202111248U (en) * | 2011-05-30 | 2012-01-11 | 昆山杰顺通精密组件有限公司 | Double card connector of forward plug-in type |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810776A (en) | 2012-12-05 |
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