CN1323340C - Card type connector - Google Patents
Card type connector Download PDFInfo
- Publication number
- CN1323340C CN1323340C CNB2003101137959A CN200310113795A CN1323340C CN 1323340 C CN1323340 C CN 1323340C CN B2003101137959 A CNB2003101137959 A CN B2003101137959A CN 200310113795 A CN200310113795 A CN 200310113795A CN 1323340 C CN1323340 C CN 1323340C
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- CN
- China
- Prior art keywords
- circuit board
- card
- nut connector
- conductive film
- bayonet nut
- 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.)
- Expired - Fee Related
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Abstract
The present invention relates to a card type connector which can be adapted to a circuit board for positioning and electrically connecting a card to the circuit board. The card type connector comprises a guide frame, a connecting slot, an insulating film and a conducting film, wherein the guide frame is arranged on the circuit board for guiding and holding a card; the connecting slot is arranged on the circuit board for electrically and structurally connecting the tail end of the card; the insulating film is arranged on the circuit board and is positioned between the guide frame and the circuit board; the conducting film is arranged on the insulating film, is positioned between the guide frame and the circuit board, and is electrically connected to a ground mat of the circuit board. In the card connector, the electrostatic charge of the card inserted into the card connector can be transmitted to the ground end of the circuit board through the guide frame and the conducting film. The present invention is suitable for being arranged in an electronic device, the instant excessive electrostatic charge accumulated on the card or the guide frame can be rapidly transmitted to the ground end of the circuit board, and thus, the antistatic discharge effect of the card type connector can be improved.
Description
Technical field
The present invention relates to a kind of connector (connector), particularly relate to a kind of bayonet nut connector (card connector).
Background technology
Along with the continuous progress of electronics technology, make electronic product miscellaneous enter in the middle of our work and life, the particularly appearance of computing machine, very huge to our influence especially.The type of at present common personal computer (PC) comprises desktop PC and portable computer, and the type of portable computer more comprises mobile computer (Notebook PC), palmtop computer (Pocket PC) and flat computer (Tablet PC) etc.
With regard to mobile computer, for volume and the weight that reduces mobile computer, many computing machine peripheries all are to be connected to mobile computer in external mode, connect various computing machine periphery so mobile computer is equipped with many connecting interfaces usually.The common connecting interface that is applied to mobile computer for example has PC card, USB and IEEE 1394 etc. at present, and wherein the predecessor of PC card is PCMCIA (Personal Computer Memory Card InternationalAssociation; Personal Computer Memory Card International Association).According to the difference of the function of PC card, the type of PCcard comprises network card, data card, sound card and memory card etc.Therefore; in order to allow the PC card of various difference in functionalitys can connect mobile computer; mobile computer can be equipped with the bayonet nut connector of a PC card specification usually; PC card can be inserted wherein; and be connected to mobile computer through bayonet nut connector thus, make that the signal transmission between PC Card and the mobile computer can be reached by bayonet nut connector.
It should be noted that, because human body more or less all has static, so when the user is inserted into the card of PC Card specification or extract out with hand bayonet nut connector from mobile computer, just that it is the entrained many electrostatic charges of user are in regular turn via the metal shell of finger and card, and are passed to the bayonet nut connector of contact card.Yet, when the static charge buildup on the bayonet nut connector during to some, will between bayonet nut connector and circuit board, produce static discharge (Electro-StaticDischarge, ESD) phenomenon, the so as easy as rolling off a log instability that causes the signal transmission of mobile computer, so the metal guiding framework of bayonet nut connector is the earth terminal that is connected to circuit board, use the problem that solves above-mentioned static discharge.
With regard to existing known techniques, the guiding framework of bayonet nut connector only is to utilize two ground pad of its both sides to come the ground mat of contact circuit plate, and respectively these two ground pad are secured to circuit board via two metal screws, make the metal guiding framework of bayonet nut connector can be electrically connected to the earth terminal of circuit board.Yet, in the face of moment more electrostatic charge lodge in the guiding framework situation under, such earthing mode still can't be passed to the earth terminal of circuit board in time via the ground pad electrostatic charge that moment is too much of the both sides of guiding framework, thereby cause the static discharge phenomenon between bayonet nut connector and the circuit board to still have and to take place, and then reduce the success ratio of the circuit board of mobile computer by electrostatic discharge testing with bayonet nut connector.
This shows that above-mentioned existing bayonet nut connector still has many defectives, and demands urgently further being improved.In order to solve the problem that bayonet nut connector exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing bayonet nut connector exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of novel bayonet nut connector, can improve general existing bayonet nut connector, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing bayonet nut connector exists, and provide a kind of bayonet nut connector of new structure, technical matters to be solved is to make it be suitable for being provided in the inside of an electronic installation, in order to electronic installation is so far located and electrically connected to a card, can promote simultaneously electronic installation with this bayonet nut connector success ratio, thereby be suitable for practicality more, and have the value on the industry by electrostatic discharge testing
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of bayonet nut connector according to the present invention's proposition, be suitable for setting to a circuit board, in order to a card is positioned on this circuit board, and this card is electrically connected to this circuit board, this bayonet nut connector comprises: a guiding framework, be equipped on one first of this circuit board, in order to guiding and hold a card; One connects slot, is equipped on this first of this circuit board, in order to electrically to reach an end that structurally connects this card; One first insulation film fit in this first of this circuit board, and this first insulation film is between this guiding framework and this circuit board; And a conductive film, this first insulation film and should the guiding framework between, and on this first insulation film of fitting, this guiding framework of the more direct contact of this conductive film wherein, and this conductive film more is connected to a ground mat of this circuit board.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid bayonet nut connector, wherein said guiding framework more comprises at least one ground pad and at least one conduction screw, and this ground pad is to be shaped in this guiding framework, and via this conduction screw this ground pad is secured to this circuit board, and this ground pad more contacts this ground mat of this circuit board.
Aforesaid bayonet nut connector, this ground mat of wherein said circuit board be positioned at this circuit board with respect to this first one second, make that this conductive film is this first from this circuit board, and extend to this second of this circuit board, and connect this ground mat.
Aforesaid bayonet nut connector, the material of wherein said conductive film comprises aluminium.
Aforesaid bayonet nut connector, it more comprises one second insulation film, between this conductive film and this guiding framework, and fits on this conductive film.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present invention thes contents are as follows:
The present invention proposes a kind of bayonet nut connector, and it is suitable for setting to a circuit board, in order to a card is positioned on the circuit board, and card is electrically connected to circuit board.This bayonet nut connector comprises that a guiding framework, connects slot, an insulation film and a conductive film.The guiding framework is to be equipped on one first of circuit board, in order to guiding and hold a card.Connect slot and be first that is equipped on circuit board, in order to electrically and structurally connect an end of card.Insulation film is to be disposed at first of circuit board, and insulation film is between guiding framework and circuit board.Conductive film is to be disposed on the insulation film, and conductive film is between guiding framework and circuit board, and the more direct contact guiding of conductive film framework, and conductive film more is connected to a ground mat of circuit board.
Described according to preferred embodiment of the present invention, wherein guide framework and more comprise at least one ground pad and at least one conduction screw, and ground pad is to be shaped in the guiding framework, and via the conduction screw ground pad is secured to circuit board, and the ground pad ground mat of contact circuit plate more.
Described according to preferred embodiment of the present invention, wherein the ground mat of circuit board be can be positioned at circuit board with respect to first one second, make that conductive film is can be from first of circuit board, and extend to second of circuit board, to be connected to ground mat.
Based on above-mentioned, the present invention is by increasing by a conductive film on first insulation film, make conductive film between guiding framework and circuit board, and the too much electrostatic charge of moment that can will accumulate on card or guiding framework via conductive film is passed to the earth terminal of circuit board.Therefore, compare known bayonet nut connector, because the conductive film of the above-mentioned ground mat that is connected to circuit board has bigger contact area, so can the electrostatic charge that moment is too much be passed to the earth terminal of circuit board, thereby reduce between the guiding framework of bayonet nut connector and the circuit board and produce the phenomenon of static discharge, and then increase and have the success ratio of the electronic installation (being circuit board) of bayonet nut connector by electrostatic discharge testing.
Via as can be known above-mentioned, bayonet nut connector of the present invention is to be suitable for setting to a circuit board, and in order to circuit board is located and be electrically connected to a card, this bayonet nut connector comprises that a guiding framework, connects slot, an insulation film and a conductive film.The guiding framework is to be equipped on the circuit board, in order to guiding and hold a card.Connecting slot is to be equipped on the circuit board, in order to electrically to reach the end that structurally connects card.Insulation film is to be disposed on the circuit board, and between guiding framework and circuit board.Conductive film is to be disposed on the insulation film, and is guiding between framework and the circuit board, and is electrically connected to a ground mat of circuit board.In above-mentioned bayonet nut connector, the electrostatic charge that inserts the card of bayonet nut connector can be passed to the earth terminal of circuit board via guiding framework and conductive film.
By technique scheme, bayonet nut connector of the present invention has following advantage at least:
One, bayonet nut connector of the present invention is by increasing by a conductive film extraly on original insulation film, in order to increase the contact area of bayonet nut connector, and, come promptly will be accumulated in the earth terminal that too much electrostatic charge of moment on card or the conductive frame is passed to circuit board through a conductive film that is connected to the ground mat of circuit board thus.
Two, bayonet nut connector of the present invention has more another insulation film and is disposed on the conductive film, except that avoiding conductive film to be subjected to have more the effect of the outward appearance that keeps product the infringement in use.
Three, bayonet nut connector of the present invention only need increase by a conductive film simply on original insulation film, and conductive film is extended to the ground mat of connecting circuit plate, just can promote the effect of bayonet nut connector anti-electrostatic discharging, so simple structure, manufacturing cost also reduces relatively, meets cost benefit.
Four, bayonet nut connector of the present invention is except that the relevant card that can be applicable to common PC card (PCMCIA) specification, also can be on insulation film with this kind increase conductive film, and the structure of its ground connection is widely used in the bayonet nut connector of other connecting interface specification, CF card (CompactFlash card for example, CF card) bayonet nut connector of type such as, more can meet the demand of user in the use, thereby more be suitable for practicality for this series products.
In sum, the bayonet nut connector of special construction of the present invention is suitable for being provided in the inside of an electronic installation.In order to card location and electrically connect electronic installation so far, can promote electronic installation with this bayonet nut connector success ratio simultaneously, thereby be suitable for practicality more by electrostatic discharge testing.It has above-mentioned many advantages and practical value, and does not see have similar structural design to publish or use and really belong to innovation in like product, no matter it structurally or bigger improvement all arranged on the function.Have large improvement technically, and produced handy and practical effect, and more existing bayonet nut connector has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry.It really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the schematic perspective view of a kind of bayonet nut connector of a preferred embodiment of the present invention.
Fig. 2 is the diagrammatic cross-section of a kind of bayonet nut connector of a preferred embodiment of the present invention.
Fig. 3 is a kind of bayonet nut connector of a preferred embodiment of the present invention, and its two insulation film and a conductive film are equipped on the diagrammatic cross-section of circuit board.
100: circuit board 102a: first
102b: second 114: ground mat
116: ground mat 200: the guiding framework
202: conduction screw 204: ground pad
210: connect 220: the first insulation films of slot
230: 240: the second insulation films of conductive film
300: card
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of bayonet nut connector, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 1, shown in Figure 2, Fig. 1 is the schematic perspective view of a kind of bayonet nut connector of a preferred embodiment of the present invention, and Fig. 2 is the diagrammatic cross-section for a kind of bayonet nut connector of a preferred embodiment of the present invention, and wherein Fig. 2 does not illustrate the connection slot 210 of Fig. 1.Bayonet nut connector of the present invention comprises guiding framework 200, connects slot 210, first insulation film 220 and conductive film 230, wherein:
This guides framework 200, is one first 102a that is equipped on circuit board 100, and in order to guide and to hold a card 300, the material of wherein guiding framework 200 comprises conductive material, for example metal.
In addition, the both sides of guiding framework 200 are respectively equipped with a ground pad 204 (ground washer), it is to be shaped in guiding framework 200, and cooperate by of the assembling of these ground pad 204 with conduction screw 202, guiding framework 200 can be fixed on the circuit board 100, those ground pad 204 are more distinguished those ground mats 114 (ground pad) of contact circuit plate 100 simultaneously, so the electrostatic charge of guiding on the framework 200 can be via those ground pad 204, and be passed to the earth terminal of circuit board 100.Therefore; the guiding framework 200 of bayonet nut connector is except the function with protection card 300; when card 300 contact guiding frameworks 200, the electrostatic charge on card 300 can be in regular turn via two ground pad 204 of guiding framework 200, and be passed to the earth terminal of circuit board 100.
This connects slot 210, is first 102a that is equipped on circuit board 100, and with the electrical end that structurally connects card 300 that reaches, and connection slot 210 is the media as signal transmission between card 300 and the circuit board 100.
Seeing also shown in Figure 3ly, is a kind of bayonet nut connector of a preferred embodiment of the present invention, and its two insulation film and a conductive film are equipped on the diagrammatic cross-section of circuit board.Please consult Fig. 1, Fig. 2 and shown in Figure 3 simultaneously, first insulation film 220 is first 102a that is disposed at circuit board 100, and this first insulation film 220 is that wherein this first insulation film 220 for example is a mylar between guiding framework 200 and circuit board 100.First insulation film 220 except can the surface of holding circuit plate 100, the circuit that more can avoid foreign matter contact circuit plate 100 to be exposed, and cause circuit board 100 to lose efficacy.
It should be noted that, this conductive film 230 is to be disposed on first insulation film 220, and conductive film 230 is between guiding framework 200 and circuit board 100, and the surface of conductive film 230 more direct contact guiding frameworks 200, and conductive film 230 more can be via second 102b that extends to circuit board 100, and be connected to the ground mat 116 of second 102b, be electrically connected to the earth terminal of circuit board 100, so these accumulate on the ground mat 116 that the electrostatic charge of guiding on the framework 200 can be passed to circuit board 100 via conductive film 230, wherein the material of conductive film 230 comprises metal, for example is aluminium.
In addition; bayonet nut connector more comprises one second insulation film 240; it is to be disposed on the conductive film 230; but not at the bottom of conductive film 230 and the contact area between the guiding framework 200; wherein the material of second insulation film 240 for example is a mylar; and second insulation film 240 has more the function of protection conductive film 230 except the outward appearance that can keep product is constant.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (5)
1, a kind of bayonet nut connector is suitable for setting to a circuit board, in order to a card is positioned on this circuit board, and this card is electrically connected to this circuit board, it is characterized in that this bayonet nut connector comprises:
One guiding framework is equipped on one first of this circuit board, in order to guiding and hold a card;
One connects slot, is equipped on this first of this circuit board, in order to electrically to reach an end that structurally connects this card;
One first insulation film fit in this first of this circuit board, and this first insulation film is between this guiding framework and this circuit board; And
One conductive film, this first insulation film and should the guiding framework between, and fit on this first insulation film this guiding framework of the more direct contact of this conductive film wherein, and this conductive film more is connected to a ground mat of this circuit board.
2, bayonet nut connector according to claim 1, it is characterized in that wherein said guiding framework more comprises at least one ground pad and at least one conduction screw, and this ground pad is to be shaped in this guiding framework, and via this conduction screw this ground pad is secured to this circuit board, and this ground pad more contacts this ground mat of this circuit board.
3, bayonet nut connector according to claim 1, this ground mat that it is characterized in that wherein said circuit board be positioned at this circuit board with respect to this first one second, make that this conductive film is this first from this circuit board, and extend to this second of this circuit board, and connect this ground mat.
4, bayonet nut connector according to claim 1 is characterized in that the material of wherein said conductive film comprises aluminium.
5, bayonet nut connector according to claim 1 is characterized in that it more comprises one second insulation film, between this conductive film and this guiding framework, and fits on this conductive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101137959A CN1323340C (en) | 2003-11-25 | 2003-11-25 | Card type connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101137959A CN1323340C (en) | 2003-11-25 | 2003-11-25 | Card type connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1622011A CN1622011A (en) | 2005-06-01 |
| CN1323340C true CN1323340C (en) | 2007-06-27 |
Family
ID=34760056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101137959A Expired - Fee Related CN1323340C (en) | 2003-11-25 | 2003-11-25 | Card type connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1323340C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103021101B (en) * | 2012-11-22 | 2016-03-16 | 福建联迪商用设备有限公司 | Contact Type Ic Card card swiping terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5206783A (en) * | 1990-08-18 | 1993-04-27 | Mitsubishi Denki Kabushiki Kaisha | Portable semiconductor memory unit |
| CN2492871Y (en) * | 2001-05-04 | 2002-05-22 | 莫列斯公司 | Memory card connector |
| CN2563768Y (en) * | 2002-07-25 | 2003-07-30 | 莫列斯公司 | Electronic card connector |
-
2003
- 2003-11-25 CN CNB2003101137959A patent/CN1323340C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5206783A (en) * | 1990-08-18 | 1993-04-27 | Mitsubishi Denki Kabushiki Kaisha | Portable semiconductor memory unit |
| CN2492871Y (en) * | 2001-05-04 | 2002-05-22 | 莫列斯公司 | Memory card connector |
| CN2563768Y (en) * | 2002-07-25 | 2003-07-30 | 莫列斯公司 | Electronic card connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1622011A (en) | 2005-06-01 |
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| CF01 | Termination of patent right due to non-payment of annual fee |