CN100536252C

CN100536252C - Electronic card connector

Info

Publication number: CN100536252C
Application number: CNB2004100660756A
Authority: CN
Inventors: 曾国忠; 赵森兵
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2004-12-14
Filing date: 2004-12-14
Publication date: 2009-09-02
Anticipated expiration: 2024-12-14
Also published as: CN1790830A

Abstract

The connector for electronic card comprises: a base with a butt-joint surface and the accept space, the terminals accepted in base comprised at least a signal terminal, a sense terminal and a power terminal all extended to contact part of accept space. Wherein, the contact part of sense terminal is much further away the butt-joint surface than other terminal and mechanical contacts with card after other terminals contacting and electric connects with power terminal while the power supplies to card. This invention decreases a sense terminal and reduces opposite cost.

Description

Electronic card coupler

[technical field]

The present invention relates to a kind of electronic card coupler, refer to a kind of electronic card coupler of detecing side terminal that has especially.

[background technology]

In recent years, for the storage volume that increases electronic equipments such as PDA and digital camera or expand its function, but generally be equipped with the electronic cards of plug and play in each electronic equipment, wherein be equipped with whether switch terminal is inserted into electronic card coupler fully with the detecting electronic cards function usually in order to the electronic card coupler that connects electronic cards in the electronic equipment.

The U.S. discloses a patent that publication number is 2004/0113249A1 on June 17th, 2004, the electronic card coupler that this patent discloses comprises that the shielding casing of insulating body, coated insulation body and a row are along the terminal that is provided with on the card insertion direction.Described terminal comprises some signal terminals, two earth terminals, two power supply terminals and a detecting terminal.Wherein earth terminal is positioned at by the detecting terminal, and described detecting terminal and earth terminal are respectively the longest and the shortest terminal in the above-mentioned terminal.When electronic cards was inserted into this connector, earth terminal at first contacted with electronic cards, was signal terminal and power supply terminal secondly, and the detecting terminal contacts with electronic cards at last.As a result, earth terminal has constituted a detection switch with the detecting terminal, and when the detecting terminal contacted with electronic cards, this detection switch closure, system began to power to electronic cards.

Yet this electronic card coupler also needs additionally to be provided with two butts formation detection switch electronic cards is realized detecting function except needs are provided with power supply terminal, and the manufacturing cost of this connector is increased relatively.

[summary of the invention]

The object of the present invention is to provide the electronic card coupler of the lower and compact conformation of a kind of cost.

For achieving the above object, electronic card coupler of the present invention is installed on the circuit board, in order to an electronic cards is electrically connected on this circuit board, comprise pedestal, the plurality of terminals that is installed on this pedestal reaches in order to accommodate the receiving space of electronic cards, described pedestal has a docking port that connects with electronic cards, described terminal comprises the detecting terminal, some be used for electronic cards on the signal terminal that electrically contact of signal contact and with electronic cards on the electrical power supply terminal that contacts of power supply contact, described signal terminal and power supply terminal are equipped with the contact site that protrudes into receiving space, and described detecting terminal can disconnect mutually with power supply terminal or constitute the pair of switches terminal with being connected.

Compared to prior art, electronic card coupler of the present invention is by realizing detecting function as the part of detection switch to electronic cards with power supply terminal.Be provided with like this, make electronic card coupler can reduce the setting of a detecting terminal, this makes manufacturing cost reduce relatively, makes this electronic card coupler structure relative compact simultaneously.

[description of drawings]

Fig. 1 inserts the three-dimensional combination figure of electronic cards for the present invention.

Fig. 2 is the three-dimensional exploded view of Fig. 1.

Fig. 3 is another angle three-dimensional exploded view of Fig. 1.

Fig. 4 is a part assembly drawing of the present invention.

Fig. 5 inserts the three-dimensional combination figure of another angle of electronic cards for the present invention.

Fig. 6 is the part exploded view of Fig. 5.

Fig. 7 is an electronic card coupler terminal schematic diagram of the present invention.

[embodiment]

Please refer to Fig. 1 to shown in Figure 3, electronic card coupler 100 of the present invention is installed on and is used to electrically connect electronic cards 5 and this circuit board on the circuit board (not shown), comprise a pedestal 1, be contained in the plurality of terminals 2 in the pedestal 1, trip mechanism 3 and be fastened on lid 4 on the pedestal 1.Described electronic cards 5 be provided with can with the terminal 2 electrical conductive junction point 51 of contact mutually.Described conductive junction point 51 comprises signal contact and power supply contact.

Please refer to Fig. 2 and shown in Figure 3, it is one rectangular-shaped that described pedestal 1 roughly is, have a docking port (not label) that connects with electronic cards 5, but comprise base portion 11, the first side wall 12, second sidewall 12 ', connect first, second sidewall 12,12 ' rear wall 13 and by the receiving space 14 of the holding electronic card 5 that this surrounded.Described base portion 11 is provided with the staggered accepting groove 111 that is used to accommodate terminal 2.Described the first side wall 12 to the second sidewalls 12 ' are slightly long, cause rear wall 13 slightly to protrude to Hou near the first side wall 12 places and form a protuberance 13 '.Described second sidewall 12 ' front portion extends to form a retaining piece 122 towards the first side wall 12, described retaining piece 122, second sidewall 12 ' and and the rear wall 13 common host cavities 123 that are connected with receiving space 14 that form.Described rear wall 13 locates to form a guide pillar 131 and a projection (not label) that extends into host cavity 123 near second sidewalls 12 '.Described projection upper surface is provided with a groove 132.Above-mentioned the first side wall 12, second sidewall 12 ', retaining piece 122 and rear wall 13 are respectively equipped with the projection 15 that is interlocked with lid 4 with respect to the outside of receiving space 14.

Please refer to Fig. 2 to shown in Figure 7, described terminal 2 parallels with card insertion direction and is arranged in the pedestal 1, comprise some different in size be used for electronic cards 5 on the signal terminal 21, the power supply terminal 24 that is positioned at pedestal 1 lateral mid-point place that electrically connect of signal contact, be positioned at that the other earth terminal of power supply terminal 24 25, links to each other with power supply terminal 24 and the splicing ear 23, of horizontal expansion is positioned at the outermost detecting terminal 22 of above-mentioned terminal.Above-mentioned signal terminal 21, detecting terminal 22, power supply terminal 24 and earth terminal 25 all have with electronic cards 5 contacted contact sites and are welded in the afterbody of circuit board, and the contact site of wherein said detecting terminal 22 is than the contact site of other terminals docking port further from pedestal 1.Because power supply terminal 24 is consistent with signal terminal 21 and earth terminal 25 shapes, below be that example is introduced its structure only with power supply terminal 24.Described power supply terminal 24 comprises the contact site 242 that extends into pedestal 1 receiving space 14 obliquely and extends pedestal 1 and is used for the afterbody 241 that welds mutually with circuit board.Need to prove, though the afterbody 241 of described power supply terminal 24 is welded on the circuit board, but its afterbody 241 not transmission signals or with circuit board on power turn-on, the effect that connects with strip when it only plays stamped terminals (afterbody of this and signal terminal 21 is different in the effect that circuit board electrically conducts).In fact, in the present embodiment, the power supply on the circuit board electrically connects mutually with the afterbody of detecting terminal 22.Described splicing ear 23 comprise link to each other with power supply terminal 24 and roughly the connecting portion 231, of flat shape from vertical portion 232 that connecting portion 231 front ends extend vertically upward and from the vertical portion 232 upper ends inwardly turnover and horizontally extending clinch 233.Described detecting terminal 22 comprises that extending pedestal 1 is used for the conducting portion 221 that electrically connects with circuit board, the contact site 222 that protrudes into pedestal 1 receiving space 14 reaches from the slightly upwardly extending connecting portion 223 of contact site 222, and described connecting portion 223 does not contact with the clinch 233 of splicing ear 23 under normal conditions.

Please refer to Fig. 2 and shown in Figure 4, described trip mechanism 3 comprises roughly L-shaped slide block 31, and drive rod 32 and part are contained in the spring 33 in the slide block 31.This slide block 31 is provided with intentionally type cam chute 311, and above-mentioned drive rod 32 1 ends slide in this heart type cam chute 311, and an end is contained in the groove 132 of pedestal 1.The backstay 131 of described spring 33 1 ends and pedestal 1 interlocks and holds, and an end is contained in the slide block 31.

Please refer to Fig. 2 and shown in Figure 3, described lid 4 is formed by the sheet metal punching press, comprises that a upper wall 41, the first side wall 42, second sidewall 42 ', the rear wall 43 that extends from the back edge of upper wall 41 that extend from upper wall 41 both sides difference reach the retaining piece 44 that extends near second sidewall 42 ' from the leading edge of upper wall 41 downwards downwards downwards.Upper wall 41 locates to be provided with the shell fragment 411 that downward deviation is used to push trip mechanism 3 near second sidewall 42 '.Described the first side wall 42, second sidewall 42 ', rear wall 43 and retaining piece 44 be equipped with perforate 45 be used for pedestal 1 on projection 15 buckle mutually.

Please extremely shown in Figure 7 in conjunction with Fig. 1, during assembling, at first terminal 2 is shaped on the pedestal 1, and in accepting groove 111 protruded into the receiving space 14 of pedestal 1, located than the protuberance 13 ' that long detecting terminal 22 front ends are positioned at pedestal 11 this moment respectively for signal terminal 21, power supply terminal 24 and detecting terminal 22.Again slide block 31 is installed in the host cavity 123 of pedestal 1, then the reference column 131 with spring 33 1 ends and pedestal 1 rear wall 13 connects, the other end is contained in the slide block 31, and drive rod 33 1 ends are located in the heart type cam chute 311 of slide block 31, and the groove 132 of an end and pedestal 1 is buckle mutually.At last, lid 4 is installed on the pedestal 1, and the projection 15 of the perforate 45 that makes lid 4 and pedestal 1 buckle mutually.At this moment, the drive rod 32 of trip mechanism 3 is sitting at the below of the shell fragment 411 of lid 4.

During use, electronic cards 5 is inserted in the receiving space 14 of pedestal 1, when the leading edge of electronic cards 5 touched the contact site 222 of detecting terminal 22, signal terminal 21 all contacted with the conducting strip of electronic cards 5 with the contact site 242 of power supply terminal 24, at this moment, system does not give electronic cards 5 power supplies as yet.When electronic cards 5 continues to insert, the contact site 222 that its leading edge will be detected terminal 22 is pushed the connecting portion 223 that makes detecting terminal 22 downwards and is also moved down with splicing ear 23 thereupon and contact, the conducting portion 221 of power supply by detecing side terminal 22 like this, splicing ear 23 is sent on the power supply terminal 24, like this, system gives electronic cards 5 power supplies, carries out transfer of data between signal terminal 21 beginnings and the circuit board.When moving back card, at first push the shell fragment 411 of lid 4 upper walls 41, the drive rod 32 that makes it to drive trip mechanism 3 slides in the heart type cam chute 311 of sliding shoe 31, and the rightabout motion that impels spring 33 to insert towards electronic cards 5, and electronic cards 5 is ejected.The contact site 222 of detecting terminal 22 at first recovers ortho states and splicing ear 23 is separated; then; the contact site 212 of signal terminal 21 is separated with the signal contact of electronic cards 5, and this makes the data information that is transmitting can not lose immediately, and this transfer of data to electronic cards 5 plays a protective role.

Compared with prior art, electronic card coupler 100 of the present invention passes through the part of power supply terminal 24 as detection switch, can make this electronic card coupler 100 reduce the setting of a detecting terminal, this can reduce mould development and manufacturing cost on manufacturing process, also make the structure of this electronic card coupler 100 seem simple relatively compact simultaneously.

In addition, need to prove that splicing ear 23 also can link to each other with detecting terminal 22, and does not contact under normal conditions with power supply terminal 24.

In addition, the trip mechanism 3 of this electronic card coupler 100 is not the emphasis of electronic card coupler 100 of the present invention, so do not have emphasis to describe in the mode originally executing, chats bright earlier at this.

Claims

1. electronic card coupler, be installed on the circuit board, in order to an electronic cards is electrically connected on this circuit board, comprise pedestal, the plurality of terminals that is installed on this pedestal reaches in order to accommodate the receiving space of electronic cards, described pedestal has a docking port that connects with electronic cards, described terminal comprises the detecting terminal, some be used for electronic cards on the signal terminal that electrically contact of signal contact and with electronic cards on the electrical power supply terminal that contacts of power supply contact, described signal terminal and power supply terminal are equipped with the contact site that protrudes into receiving space, it is characterized in that: described electronic card coupler also comprises the splicing ear that bending is extended, and described detecting terminal is realized disconnection or constituted the pair of switches terminal with being connected by splicing ear with power supply terminal.

2. electronic card coupler as claimed in claim 1 is characterized in that: described splicing ear comprises and linking to each other with power supply terminal and the connecting portion of flat shape roughly that towards the clinch that detecting terminal direction is extended, described clinch can be connected with the detecting terminal or disconnect.

3. electronic card coupler as claimed in claim 1 is characterized in that: the contact site of described detecting terminal than the contact site of power supply terminal further from described docking port.

4. electronic card coupler, be installed on the circuit board, in order to electrically connect electronic cards and this circuit board, comprise pedestal and be contained in the interior plurality of terminals of pedestal, described pedestal has a docking port that docks with electronic cards and is used to accommodate the receiving space of electronic cards, described terminal comprises the signal terminal that signal contact electrically contacts at least one and the electronic cards, one with electronic cards on the power supply terminal and that electrically contact of power supply contact detect terminal, wherein each terminal all has the contact site of the receiving space of protruding into, the contact site of described detecting terminal than the contact site of signal terminal further from described docking port, it is characterized in that: the contact site of signal and power supply terminal is with after electronic cards contacts, the contact site of detecting terminal just detects terminal with electronic cards Mechanical Contact and drive and power supply terminal electrically connects, meanwhile, power supply on the circuit board is just powered to electronic cards by detecting terminal and power supply terminal, described terminal also comprises the splicing ear that links to each other with power supply terminal, described splicing ear horizontal expansion and be positioned at the detecting terminal the below.

5. electronic card coupler as claimed in claim 4 is characterized in that: described detecting terminal does not contact with splicing ear under normal conditions.

6. electronic card coupler, comprise pedestal, be installed on plurality of terminals and lid on the pedestal, described pedestal and lid one common peripheral are set as a receiving space of accommodating electronic cards, described terminal comprises some signal terminals and pair of switches terminal, it is characterized in that: be located between some signal terminals for one in the described pair of switches terminal, roughly be positioned at the horizontal centre position of pedestal, detecting terminal and power supply terminal that described pair of switches terminal is an electric connector, described electronic card coupler also comprises the splicing ear that extends from the bending of power supply terminal side, and described pair of switches terminal is realized being connected and disconnecting by splicing ear and detecting terminal.