CN2563786Y

CN2563786Y - Signal on-state device for electronic card connector

Info

Publication number: CN2563786Y
Application number: CN02266721U
Authority: CN
Inventors: 林书正; 梁越和
Original assignee: Advanced Connectek Shenzhen Ltd
Current assignee: Advanced Connectek Shenzhen Ltd
Priority date: 2002-08-30
Filing date: 2002-08-30
Publication date: 2003-07-30
Anticipated expiration: 2012-08-30

Abstract

The utility model relates to a signal conduction device of electronic card connector, in particular to an electronic card connector with signal conversion and sensing function. In the utility model the electronic card connector is arranged with sensing terminals and read-in protection terminals, by matching with the position of state sensing key on the electronic card and utilizing the alternate contact action of the terminal, the read-in and read-write state of the electronic card can be changed.

Description

The signal conduction device of electronic card coupler

(1) technical field

The utility model provides a kind of signal conduction device of electronic card coupler.

(2) background technology

Electronic card coupler is along with electronic product is flourish, become a very important assembly, and the electronic card coupler of the storage card that is used to peg graft in electronic card coupler has been quite ripe product category, SD card connector is a use connector quite widely in such products C ardBus, CompactFlash, Memory Stick, MultiMediaCard, PC Card, SD card, SDMo and SIM/Smart Card, generally is used for small-sized electronic products such as PDA, digital camera, e-dictionary.The external form of SD card connector is configured to a simple  shape structure, and middle transverse rod portion is terminal plant district, and straight-bar portion in both sides is seizing on both sides by the arms of SD card and channel guide section; Because of the fixedly specification that is shaped as of storage card, according to the required standard of connector association, the SD card connector has 9 conducting terminals.Therefore in order to the card connector accepted under the situation that inner fit dimension can't change, each family drops into product man that card connector is produced, and can only just do functional improvement on its surface structure.

Electronic card coupler inserts the location for whether the detected electrons card reaches fully, can install a sensing apparatus on connector, and this kind technology such as United States Patent (USP) the 5th, 334,034 and 5,370 are shown in No. 544.The sensing apparatus of these prior aries generally includes mobile terminal and fixed terminal, and be not in disconnection/conducting state before the action between mobile terminal and fixed terminal, after electronic cards is inserted, the leading edge of the electronic cards mobile terminal of conflicting, mobile terminal and fixed terminal are touched, form conducting/off-state, realize whether the sensing electronic cards inserts the function of location fully.Therefore the kind technology does not have the function whether the detected electrons card has write protection simultaneously, and the checkout gear that must install read-write protection more in addition additional could operate.

In No. 01228056.9 patent of CN shown in Figure 1 is a kind of insertion of detected electrons card simultaneously and the checkout gear of write protection.This technology is to form a switching device 4 with the one 41, the 2 42 and the 3rd terminal 43, and the one 41 and second terminal 42 can cooperate and form a checkout gear, and the 2 42 and the 3rd terminal 43 can cooperate and forms a write protector.Wherein, this the first terminal 41 has the press part of the elastic arm 410 of a scalariform as electronic cards, the end of elastic arm 410 is the contact chip 413 that is certain inclination angle, and second terminal 42 and the 3rd terminal 43 are all the design of vertical cutting formula, the central authorities of the holding parts 420 of second terminal 42 convex with contact site 423, this contact site 423 forms a contact-making switch with the contact chip 413 of the first terminal 41, one end bending extension of holding parts 420 becomes an elastic portion 421, the end of elastic portion 421 forms a holding section 422, and this holding section 422 is as touching mutually with the 3rd terminal 43.This kind structural design is simple, but because of the contact chip 413 of the contact site 423 of second terminal 42 and the first terminal 41 all is dynamic elastic stage, effect during both contact can't all maintain certain state at every turn, coming in contact condition of poor easily takes place, the design principle of this kind way of contact is identical with known flashlight switch device, its shortcoming is that shell fragment easily produces deformation after using repeatedly, will cause loose contact in the future, influences useful life.In addition, the contact chip 413 of the first terminal 41 is to be vertical direction with the mobile direction that contacts of the contact site 423 of second terminal 42, and it is different with the horizontal direct of travel of electronic cards, special shape because of scalariform elastic arm 410, make the conversion of horizontal potential energy can not absolutely convert vertical potential energy to, therefore, on using, it still remains improved space.

(3) utility model content

Because there is above-mentioned shortcoming in existing technology, of the present utility modelly provide a kind of electronic card coupler with conversion sensing signal functional device, this connector utilizes the design of shell fragment contact fixed terminal to produce firm contact effect, and stable sensing and shake-up quality is provided.

One of the purpose of this utility model is to provide a kind of signal conduction device of electronic card coupler, it is consistent with the electronic cards direct of travel that it is that direction of displacement with the contact chip of card connector internal induction terminal is designed to, and can promote to respond to terminal rapidly when electronic cards is inserted.

Two of the purpose of this utility model is to provide a kind of signal conduction device of electronic card coupler; its be with on the active terminal of the write protection terminal centering in the card connector with the induction termination contact the shake-up sheet be designed to fixed, so that stable shake-up quality to be provided.

Three of the purpose of this utility model is to provide a kind of signal conduction device of electronic card coupler; it is that tip designs with the passive terminal of the write protection terminal centering in the card connector becomes a protuberance; make the write protection terminal to more rapid when contacting with each other, and strengthen its contact effect.

The signal conduction device of electronic card coupler of the present utility model, this electronic card coupler mainly be by an insulating body, conducting terminal and be mounted on retaining piece on the insulating body, induction terminal and write protection terminal to constitute; Wherein this insulating body is a  shape structure body, and the terminal disposal area in the middle of it is provided with a plurality of terminals and puts slotted eye, puts for conducting terminal; The inside of the straight-bar portion of both sides is provided with the disposal area of write protection terminal pair and retaining piece, and is provided with the disposal area of induction terminal in the cross bar portion of centre; The induction terminal is a U-shaped framework body, is holding parts in a side of this U-shaped body, and the end of holding parts extends into a weld part, and the opposite side of U-shaped body forms an elastic portion, and the end of elastic portion is bent into a contact site downwards; The write protection terminal is to being made of active terminal and passive terminal, two-terminal is all vertical cutting formula terminal, and wherein, initiatively the holding parts of terminal has the contact chip that a bending is extended, the end of holding parts extends into a bar shaped shell fragment, forms a bending at the end of bar shaped shell fragment and touches portion; Passive terminal is similar with the structure of active terminal, but bend the contact chip that extends, and the size of bar shaped shell fragment is less.

For further specifying the purpose of this utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is the schematic perspective view of the electronic card coupler of No. 01228056.9 patent of prior art CN;

Fig. 2 is the perspective exploded view of the signal conduction device of the utility model embodiment electronic card coupler;

Fig. 3 is another visual angle perspective exploded view of the signal conduction device of the utility model embodiment electronic card coupler;

Fig. 4 is signal conduction device user mode one generalized section of the utility model embodiment electronic card coupler;

Fig. 5 is signal conduction device user mode two generalized sections of the utility model embodiment electronic card coupler.

(5) embodiment

See also Fig. 2 and shown in Figure 3; the electronic card coupler 1 of the signal conduction device of the utility model electronic card coupler mainly be by an insulating body 10, conducting terminal 50 and be mounted on induction terminal 21 on the insulating body 10, the write protection terminal is constituted with retaining piece 24 22,23.

Wherein, this insulating body 10 is a  shape structure body, and the middle part of its  shape structure body forms a terminal disposal area 11, is provided with a plurality of terminal putting grooves 111 in this terminal disposal area 11, puts for conducting terminal 50; For convenience of description; with the straight bar part of both sides is the first straight-bar portion 12 and the second straight-bar portion 13; the inside of the first straight-bar portion 12 is provided with the write protection terminal to 22; 23 disposal area; this disposal area includes for the A storage tank 121 of write protection terminal centering active terminal 22 and the B storage tank 122 of passive terminal 23; the inside of the second straight-bar portion 13 is provided with the C storage tank 131 of retaining piece 24, and is provided with the D storage tank 141 of induction terminal 21 in the cross bar portion 14 of centre.

In 50 groups of terminal putting grooves 111 that are located on the insulating body 10 of conducting terminal, because the specification of conducting terminal 50 is standard specifications of formulating via association, for the standard outfit of this series products, so no longer be illustrated.

The induction terminal 21 that places D storage tank 141 is a U-shaped framework body; side at this U-shaped body is a holding parts 211; the end of holding parts 211 becomes a weld part 212 through bending extension; the opposite side of U-shaped body forms the elastic portion 213 of a bending; this elastic portion 213 has the bending of big slope; end after the bending is bent into a contact site 214 downwards, this contact site 214 is to contact with each other conducting as the contact chip 225 with write protection terminal centering active terminal 22 to use.

The write protection terminal that places A storage tank 121 and B storage tank 131 is to being made of active terminal 22 and passive terminal 23; two-terminal is all vertical cutting formula terminal; both structures are also quite similar; both have a holding parts 221; the bottom of this holding parts 221 is provided with the card protuberance as fixture; because of this card protuberance is a general terminal element commonly used; so no longer given unnecessary details; and be provided with weld part 222 in the rear end of holding parts 221; 232; but initiatively there is the contact chip 225 that a bending is extended holding parts 221 bottoms of terminal 22, and passive terminal 23 does not then have this structure.Holding parts 221 other ends of two-terminal then extend into a bar shaped shell fragment 223,233, form a bending at the end of bar shaped shell fragment 223,233 and touch portion 224,234; Only the two bendings difference of touching portion 224,234 is in that to touch portion 224 in the bending of active terminal 22 bigger, and that portion 234 is touched in the bending of passive terminal 23 is less, and initiatively the bar shaped shell fragment 223 of the more passive terminal 23 of size of the bar shaped shell fragment of terminal 22 is of a size of greatly.

The function that places the retaining piece 24 of C storage tank 131 is to insert the back in electronic cards to engage mutually with location notch on the electronic cards, also is this series products accurate accessory of getting the bid, and is told its structure so no longer know clearly.

Assembling mode of the present utility model is for after inserting conducting terminal 50 respectively the terminal putting groove 111 in the terminal disposal area 11, insert induction terminal 21 from the D storage tank 141 of bottom, electronic card coupler 1 rear, from A storage tank 121, B storage tank 122 and the C storage tank 131 at electronic card coupler 1 rear, insert initiatively terminal 22, passive terminal 23 and retaining piece 24 more respectively.

After finishing electronic card coupler 1 assembling, according to its function distinguishing, user mode can be divided into two kinds of kenels, state as shown in Figure 4 is that electronic cards 60 is in read-write state, because of the write protection switch 61 of electronic cards 60 is positioned at the below, be in non-guard mode, after electronic cards 60 insertions reach the location, write protection switch 61 just touches portion 224 with the bending of active terminal 22 and contacts with each other, force crooked and the passive terminal 23 that deflection is fixing of terminal initiatively 22, and touch portion 234 with the bending of passive terminal 23 and contact with each other, touched induction terminal 21 because of electronic cards 60 again at this moment, contact site 214 on the promotion induction terminal 21 and the contact chip 225 on the active terminal 22 contact with each other conducting; Promptly respond to terminal 21 and contact with active terminal 22, initiatively terminal 22 contacts with passive terminal 23 again, so promptly forms a read-write state.

And being electronic cards 60, state as shown in Figure 5 is in the state of to write; because of the write protection switch 61 of electronic cards 60 is positioned at the top; be in guard mode; after electronic cards 60 insertions reach the location; 61 on write protection switch does not touch portion 224 with the bending of active terminal 22 and contacts; also the position is crooked to make active terminal 22 still rest on original position; therefore not touching portion 234 with the bending of passive terminal 23 contacts with each other; touched induction terminal 21 because of electronic cards 60 this moment; contact site 214 on the promotion induction terminal 21 and the contact chip 225 on the active terminal 22 contact with each other conducting; because of having only induction terminal 21 to contact, form the state of only writing like this with active terminal 22.

In structural design of the present utility model, have some technical characterstics to be stated clearly: 1. the design of induction terminal 21 is that potential energy input and potential energy output contacted direction setting at same direct of travel, the potential energy that can make the potential energy of input and output so much at one, reach energy and transmit synchronously, make the better effects if of transmission.2. initiatively the contact chip 225 of terminal 22 is fixed, can make induction terminal 21 more firm with contacting of active terminal 22, and more certain transmission effect can be provided.3. fixing passive terminal 23 is designed to a crooked convex with the contact site 234 of active terminal 22, can make initiatively terminal 22 easier contacts, also makes the contact effect even more ideal.

As shown in the above description, the new structural design of the utility model utilization make electronic card coupler have more in the past like product presents better function of use, improved the shortcoming of existing product.

The structure execution mode that the utility model disclosed only is the utility model for convenience of description, be not in order to limit scope of the present utility model, all understand by specification of the present utility model this technology personnel did is modified under the situation that does not break away from spirit of the present utility model, all should be considered as analog structure of the present utility model, by claim of the present utility model is contained.

Claims

1. the signal conduction device of an electronic card coupler, this electronic card coupler mainly are by an insulating body, conducting terminal and are mounted on induction terminal on the insulating body, write protection terminal and pair are constituted with retaining piece; It is characterized in that:

This insulating body is a  shape structure body, and the terminal disposal area in the middle of it is provided with a plurality of terminals and puts slotted eye, puts for conducting terminal; The inside of the straight-bar portion of both sides is provided with the disposal area of write protection terminal pair and retaining piece, and is provided with the disposal area of induction terminal in the cross bar portion of centre; Utilize the right contact condition of induction terminal and write protection terminal to set the read-write state of electronic cards.

2. the signal conduction device of electronic card coupler as claimed in claim 1 is characterized in that, the straight bar part of both sides is the first straight-bar portion and the second straight-bar portion.

3. the signal conduction device of electronic card coupler as claimed in claim 2; it is characterized in that; the inside of the first straight-bar portion is provided with the right disposal area of write protection terminal, and this disposal area includes for the A storage tank of write protection terminal centering active terminal and the B storage tank of passive terminal.

4. the signal conduction device of electronic card coupler as claimed in claim 2 is characterized in that, the inside of the second straight-bar portion is provided with the C storage tank of retaining piece.

5. the signal conduction device of electronic card coupler as claimed in claim 1, it is characterized in that, the induction terminal is a U-shaped framework body, side at this U-shaped body is a holding parts, the end of holding parts becomes a weld part through bending extension, the opposite side of U-shaped body forms the elastic portion of a bending, and this elastic portion has the bending of big slope, and the end after the bending is bent into a contact site downwards.

6. the signal conduction device of electronic card coupler as claimed in claim 1 is characterized in that, the write protection terminal is to being made of active terminal and passive terminal.

7. the signal conduction device of electronic card coupler as claimed in claim 6; it is characterized in that; the active terminal of write protection terminal centering is a vertical cutting formula terminal; based on a holding parts; the bottom of this holding parts is provided with the card protuberance as fixture, and is provided with weld part in the rear end of holding parts, and the contact chip that has a bending to extend in the holding parts bottom; the holding parts other end then extends into a bar shaped shell fragment, forms a macrobending at the end of bar shaped shell fragment and touches portion.

8. the signal conduction device of electronic card coupler as claimed in claim 6, it is characterized in that, passive terminal is a vertical cutting formula terminal, based on a holding parts, the bottom of this holding parts is provided with the card protuberance as fixture, and the rear end in holding parts is provided with weld part, and the holding parts other end then extends into a bar shaped shell fragment, forms a bending at the end of bar shaped shell fragment and touches portion.

9. the signal conduction device of electronic card coupler as claimed in claim 1 is characterized in that, the potential energy input of induction terminal contacts direction setting at same direct of travel with the potential energy output.

10. the signal conduction device of electronic card coupler as claimed in claim 1 is characterized in that, initiatively the contact chip of terminal is fixed.