CN1431737A - Connector for card - Google Patents
Connector for card Download PDFInfo
- Publication number
- CN1431737A CN1431737A CN 03100942 CN03100942A CN1431737A CN 1431737 A CN1431737 A CN 1431737A CN 03100942 CN03100942 CN 03100942 CN 03100942 A CN03100942 A CN 03100942A CN 1431737 A CN1431737 A CN 1431737A
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- CN
- China
- Prior art keywords
- card
- contact site
- mentioned
- beeline
- exposed division
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a connection device for card to prevent a break of a circuit or the like inside a card when inserting the electrostatically charged card. In this connector device, a bottom face of a card insertion part 21 is formed with an opening part 24, a part of a ground pattern 31 on a circuit board 30 is exposed inside the opening part 24, and a shortest distance A1 from a ground contact part 12a of the card 10 to the exposed part 34 is set to be shorter than a shortest distance A2 from a signal contact part 12c. Thereby, static electricity charged in the inserted card 10 is easily discharged from the ground contact part 12a to the exposed part 34 to prevent the break of the circuit or the like inside the card 10.
Description
Technical field
The present invention relates to connecting device for card, the card that this connecting device for card is installed with is built-in with the IC (integrated circuit) of formation memory etc.
Background technology
Generally, the connecting device for card of mini memory card is installed, as shown in figure 11, it is provided with resinous shell 1, is provided with side by side in this shell 1: insert storage card 2 card insertion section 3 and with each contact site 4 contacted a plurality of terminals 5 that are inserted in the storage card 2 in the card insertion section 3.And, the metallic cover 6 that covers card insertion section 3 is housed on shell 1, the part of this cover 6 is welded on the ground connection figure (パ one Application) of circuit board 7.
But, if be inserted into storage card static electrification card insertion section in or operator's static electrification of plug-in card, then when the insertion storage card or in the insertion process, can be from the contact site release electrostatic on cover that blocks.But, in the structure in the past, the beeline that is clipped to cover from each contact portion is identical, so, do not know to discharge to cover from which contact site, under the situation of discharging by earthy contact site, can not influence the circuit in the storage card, but if discharge with contact site from signal, then on the circuit signal line in storage card, might produce thousands of voltages to tens thousand of volts, just may destroy data that write down in interior IC of card or the memory etc.
Summary of the invention
The present invention is In view of the foregoing and proposes that its purpose is to provide a kind of like this connecting device for card, promptly when having when inserting card statically, can prevent also in the card that circuit etc. is damaged.
For achieving the above object, the connecting device for card of technical scheme 1 of the present invention, it is installed on the circuit board, has: insert the card insertion section of card and a plurality of terminals that contact respectively with each contact site of card in being inserted into the card insertion section,
It is characterized in that: each contact site has earthy contact site and signal contact site at least, the card insertion section has the insertion that a pair of resinous guide part is used to guide card, and the bottom surface opening between a pair of guide part, so that the ground connection figure that forms on circuit board exposes in the part of opening, at least, in the insertion process of card from the earthy contact site of card to the beeline of the exposed division of the ground connection figure that exposes at opening, less than from the signal of card beeline with contact site.
The connecting device for card of technical scheme 2 of the present invention, it is characterized in that: its each contact site be arranged on abreast with the perpendicular direction of the direction of insertion of blocking on, the contact site that is arranged in the both end sides of this each contact site that is arranged side by side is earthy contact site, exposed division is inwardly to stretch out slightly a little from each guide part, and extends inward formation from inserting the porch.
A kind of connecting device for card of technical scheme 3 of the present invention, it is characterized in that: be provided with the metal cover that covers the card insertion section and be connected with the ground connection figure of circuit board, the beeline from earthy contact site to exposed division less than from signal with the beeline of contact site to cover.
A kind of connecting device for card of technical scheme 4 of the present invention, it is characterized in that: exposed division forwards extends from the end of the slotting inlet side of each guide part, the card begin to insert state the time, beeline from earthy contact site to exposed division, less than from signal with the beeline of contact site to the insertion oral-lateral edge part of cover.
The effect of invention
Invention according to technical scheme 1 of the present invention, because earthy contact site from card, the beeline of the ground connection figure of the circuit board that exposes to opening part, less than from the beeline of signal with contact site, so, when card is inserted into, even cassette tape static also can make static always discharge from the ground connection figure of earthy contact site to circuit board.Therefore,, can not produce high voltage on the circuit signal line in card, can prevent that circuit that card is interior etc. is destroyed by release electrostatic.
Invention according to technical scheme 2 of the present invention, because exposed division is a little inwardly to stretch out from each guide part, and extend inward formation from inserting the porch, therefore, will block insert to insert mouthful rise after again in the process of the inside insertion, on the card with static always discharge to exposed division from earthy contact site easily, thereby can prevent that the circuit etc. in the card is destroyed.
Invention according to technical scheme 3 of the present invention, even be provided with the metal cover that covers the card insertion section, but since beeline from earthy contact site to exposed division less than from signal with the beeline of contact site to cover, so, on the card with static always discharge to exposed division from earthy contact site, thereby can prevent that the circuit etc. in the card is destroyed.
Invention according to technical scheme 4 of the present invention, then forwards extend from the end of the slotting inlet side of each guide part owing to exposed division, from being in the beeline that the earthy contact site that inserts the starting position plays exposed division, less than from the beeline of signal with contact site, so, even inserting under the initial state, static also always is easy to discharge to exposed division from earthy contact site, thereby can prevent that the circuit etc. in the card is destroyed.
Brief Description Of Drawings
Fig. 1 is the vertical view of integral body of the connecting device for card of expression present embodiment.
Fig. 2 is the end view of integral body of the connecting device for card of the same execution mode of expression.
Fig. 3 is the front view of integral body of the connecting device for card of the same execution mode of expression.
Fig. 4 is the vertical view that takes off the cover state of the same execution mode of expression.
Fig. 5 is the vertical view of the position relation of expression shell of same execution mode and ground connection figure.
Fig. 6 is the vertical view of the ground connection figure of the same execution mode of expression.
Fig. 7 is the cutaway view of Fig. 1 center line 7-7 of the same execution mode of expression.
Fig. 8 is the cutaway view of Fig. 1 center line 8-8 of the same execution mode of expression.
Fig. 9 is the amplification view of insertion state of the card of the same execution mode of expression.
Figure 10 is the expansion cutaway view of the position relation of expression contact site of same execution mode and exposed division.
Figure 11 is the cutaway view of expression prior art example.
Embodiment
Following with reference to Fig. 1～Figure 10, the execution mode of detailed description specific implementation connecting device for card of the present invention.
At first, the interior card of connecting device for card that is installed in present embodiment is described.As Fig. 5, Fig. 6, shown in Figure 8, card 10 is rectangle, and its structure is tool circuit board in resin system shell 11 (not having diagram), and the IC of formation memory etc. has been installed on this circuit board.Below the leading section of card 10, a plurality of contact sites 12 have been arranged, in each contact site 12, the contact site 12 that is arranged in left and right sides both end sides (Fig. 6 is both end sides up and down) is earthy contact site 12a, the contact site 12 that is positioned at central authorities is power supply contact site 12b, and other contact sites 12 are signal contact site 12c.
The connecting device for card of present embodiment such as Fig. 1～shown in Figure 4, have resinous shell 20 and the metallic cover 22 that covers this shell 20.
In shell 20, as shown in Figure 4, be equipped with: can for the card insertion section 21 of plug-in mounting card 10 and within it portion respectively with a plurality of contact sites 12 contacted terminals 23 of card 10.Practise physiognomy in the left and right sides and dispose a pair of guide part 25,25 over the ground in card insertion section 21, and, form peristome 24 25 of two guide parts.And, in Fig. 4, have card insert opening 21a on the right flank of card insertion section 21, and the internal face of each guide part 25 being formed by spigot surface 25a, 25a, this spigot surface 25a is used for card 10 is directed to the plug-in mounting position.
Each terminal 23 is made of elongated flexure strip as shown in Figure 4, under the state that its leading section is given prominence in card insertion section 21, with the perpendicular direction of card insertion direction on be provided with 7 abreast.On the leading section of each terminal 23, formed and card each contact site 12 contacted contact of 10,, drawn outstandingly rearwards from the rearward end (left part Fig. 4) of shell 20, and be welded on the circuitous pattern of circuit board 30 with the end of leading section opposition side.In each terminal 23,2 terminals 23 that are arranged in left and right sides both end sides (Fig. 4 is both end sides up and down) are earthy terminal 23a, and the terminal 23 that is positioned at central authorities is power supply terminal 23b, and other terminals 23 are signal terminal 23c.
Then explanation is equipped with the circuit board 30 of the connecting device for card of present embodiment.In circuit board 30, as shown in Figure 6, the surface forms ground connection figure 31.Ground connection figure 31 forms around shell 20, and, (among Fig. 6, both sides) up and down forms left side ground connection figure 32 and right side ground connection figure 33 in the left and right sides towards two guide parts, 25 ground of shell 20, and this left side ground connection figure 32 is connected below the rearward end of shell 20 with right side ground connection figure 33.
As shown in Figure 5, under the situation of the connecting device for card that present embodiment is installed, the 32a of inside edge portion, the 33a of left side ground connection figure 32 and right side ground connection figure 33, be formed the 25b of inside edge portion by each guide part 25, a little inwardly stretch out respectively, this extension forms the state that exposes from a peristome 24.This extension is equivalent to exposed division 34 of the present invention, as Fig. 7, shown in Figure 10, exposed division 34 reaches, position identical with following line stretcher or the position more outer slightly than this position, this line stretcher are that (the earthy contact site 12a for the left side is a left side edge portion for the outer ledge portion of each earthy contact site 12a of the card 10 in the insertion process; Earthy contact site 12a for the right side is a right side edge portion) line that extends downwards.Exposed division 34 exposes from peristome 24 under following state, that is, each earthy contact site 12a of feasible card 10 from insertion process is to the beeline A1 of exposed division 34, less than use the beeline A2 of contact site 12c to exposed division 34 from signal.
And, as shown in Figure 8, insert card 10, at least up to earthy contact site 12a begin with the contacted position of earthy terminal 23a till, exposed division 34 extends from card insert opening 21a one side direction the inside with following state, that is, the beeline A1 from earthy contact site 12a to exposed division 34 is less than use the beeline A2 of contact site 12c to exposed division 34 from signal.
In addition, form peristome 22b on cover 22, like this, the earthy contact site 12a of each of the card 10 from insertion process is to the beeline A1 of exposed division 34, less than use the beeline A3 of contact site 12c to cover 22 from signal.
And, left side ground connection figure 32 and right side ground connection figure 33 forwards stretch out, as shown in Figure 9, further overhanging forward and expose from the 25b of leading edge portion of each guidance part 25, like this, insert the beeline B1 of the earthy contact site 12a of initial state from being in card, less than use the beeline B2 of contact site 12c from each signal to the leading edge portion of cover 22 to this exposed division 35.
The below effect of explanation present embodiment, the card 10 of static electrification or the operator of static electrification are under the situation of inserting card 10, if make card 10 near card insert opening 21a, then because from blocking 10 earthy contact site 12a beeline B1 to exposed division 35, less than use the beeline B2 of contact site 12c from signal to the leading edge portion of cover 22, so static is difficult to be discharged on the cover 22 with contact site 12c from signal, but is discharged on the cover 22 from earthy contact site 12a.(referring to Fig. 9).
Then, if card 10 is inserted in the card insert opening 21a, and till the inside is advanced to the card installation site.At this moment, the earthy contact site 12a of the card 10 from be in insertion process is to the beeline A1 of exposed division 34, always less than use the beeline A2 of contact site 12c to exposed division 34 from signal.So the above-mentioned static that does not discharge is discharged on the exposed division 34 from earthy contact site 12a, and can not be discharged into exposed division 34 (referring to Figure 10) with contact site 12c from signal.
Moreover, since the earthy contact site 12a of card 10 from be in insertion process to the beeline A1 of exposed division 34 always less than from signal with the beeline A3 of contact site 12c to cover 22, so during insertion can be from signal with contact site 12c to cover 22 discharges (referring to Figure 10).
So in the above-described embodiment, because left side ground connection figure 32 and right side ground connection figure 33 are forwards overhanging and expose from the 25c of leading edge portion of each guide part 25, make when beginning to insert card, card 10 with static be difficult to be discharged on the cover 22 with contact site 12c from signal, so, can prevent from owing to release electrostatic to produce on the circuit signal line in card 10 IC in the card 10 that high voltage causes or store data etc. destroyed.
And, because left side ground connection figure 32 and right side ground connection figure 33 a little inwardly stretch out from the inside edge 25b of each guide part 25, and in peristome 24, expose, therefore block 10 with static in inserting the path, be discharged on the exposed division 34 from earthy contact site 12a easily, thereby can prevent that IC in the card 10 or storage data etc. are destroyed.
Have again, because the earthy contact site 12a of the card 10 from be in insertion process is to the beeline A1 of exposed division 34, always less than use the beeline A3 of contact site 12c from signal to cover 22, even at the textural cover 22 that is provided with, block 10 static electrifications during insertion and also be difficult to from signal with contact site 12c, can prevent that therefore IC in the card 10 or storage data etc. are destroyed to cover 22 discharges.
And the present invention is not limited only to above-mentioned execution mode, for example can carry out following change, and the execution mode after the change also belongs to technical scope of the present invention.
(1) in the above-described embodiment, for the earthy contact site 12a that makes the card 10 that is in the insertion process to the beeline A1 of exposed division 34 less than signal with the beeline A3 of contact site 12c to cover 22, on cover 22, form opening 22b, but also can replace opening and set the portion of swelling, or the end face of cover set to the direction away from shell so that the earthy contact site that makes card to the beeline of exposed division less than from signal with the beeline of contact site to cover.
(2) in the above-described embodiment, the earthy figure 32 in left side and the earthy figure 33 on right side stretch out to the inside, 10 earthy contact site 12a begins and earthy terminal 23a position contacting up to card, so that the beeline A1 from earthy contact site 12a to exposed division 34 is less than from the beeline A2 of signal with contact site 12c.But also can further extend thus, also can shorten to body front side (card insert opening side) to the inside.
(3) in the above-described embodiment, installation be the card 10 that on both end sides, is provided with earthy contact site 12a, but also can be that at one end side is provided with the card of earthy contact site, or other positions be provided with the card of earthy contact site.
In addition, in the scope that does not break away from main points of the present invention, can carry out various changes to execution mode.
Claims (4)
1, a kind of connecting device for card, it has: insert the card insertion section of card and respectively with the contacted a plurality of terminals of each contact site that is inserted into the card in the above-mentioned card insertion section, it is characterized in that:
Above-mentioned each contact site has earthy contact site and signal contact site at least, above-mentioned card insertion section has the insertion that a pair of resinous guide part is used to guide card, and the bottom surface between above-mentioned a pair of guide part forms opening so that the ground connection figure that is formed on the circuit board exposes in the part of above-mentioned opening, at least, beeline from the earthy contact site of above-mentioned card to the exposed division of the ground connection figure that exposes at above-mentioned opening in the insertion process of above-mentioned card is less than from the beeline of above-mentioned signal with contact site.
2, connecting device for card as claimed in claim 1, it is characterized in that: above-mentioned each contact site be arranged on abreast with the perpendicular direction of the direction of insertion of above-mentioned card on, the contact site that is arranged in the both end sides of this each contact site that is arranged side by side is earthy contact site, above-mentioned exposed division is a little inwardly to stretch out from above-mentioned each guide part, and extends inward formation from inserting the porch.
3, a kind of connecting device for card as claimed in claim 1 or 2, it is characterized in that: be provided with the metal cover that is covered with above-mentioned card insertion section and is connected with the ground connection figure of foregoing circuit plate, the beeline from above-mentioned earthy contact site to above-mentioned exposed division less than from above-mentioned signal with the beeline of contact site to cover.
4, described connecting device for card as claimed in claim 3, it is characterized in that: above-mentioned exposed division forwards extends from the end of the slotting inlet side of above-mentioned each guide part, at the state that begins to insert of above-mentioned card, the beeline from above-mentioned earthy contact site to above-mentioned exposed division less than from above-mentioned signal with the beeline of contact site to insertion mouth one lateral edge portion of above-mentioned cover.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20021480 | 2002-01-08 | ||
| JP2002001480A JP2003203719A (en) | 2002-01-08 | 2002-01-08 | Connector device for card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1431737A true CN1431737A (en) | 2003-07-23 |
| CN1232005C CN1232005C (en) | 2005-12-14 |
Family
ID=19190620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03100942 Expired - Fee Related CN1232005C (en) | 2002-01-08 | 2003-01-08 | Connector for card |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003203719A (en) |
| CN (1) | CN1232005C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004146168A (en) | 2002-10-23 | 2004-05-20 | Jst Mfg Co Ltd | Connector |
| JP2004146167A (en) | 2002-10-23 | 2004-05-20 | Jst Mfg Co Ltd | Connector with insertion mechanism |
-
2002
- 2002-01-08 JP JP2002001480A patent/JP2003203719A/en not_active Withdrawn
-
2003
- 2003-01-08 CN CN 03100942 patent/CN1232005C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003203719A (en) | 2003-07-18 |
| CN1232005C (en) | 2005-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |