CN2358595Y - Electronic card connector with switch device - Google Patents

Abstract

The utility model relates to an electronic card connector with a switch device, which is used for switching a power supply when an electronic card is inserted into an electronic card connector. The utility model comprises an insulating base, a plurality of conductive terminals accommodated in the insulating base, a shielding element and a switch device, wherein the switch device comprises a fixed part and an elastic part which are in a closed state. The utility model is characterized in that the switch device also comprises an insulator arranged in the elastic part. When the electronic card is inserted into an electronic card accommodating slot, the front end of the electronic card and the elastic part of the switch device can be insulated by the insulator so as to prevent the electronic card from directly and electrically contacting with the elastic part of the switch device, and accordingly an inner circuit of the electronic card can not be damaged by the impact of instant current when a power supply is switched on.

Description

The electronic card coupler of tool switching device

The utility model relates to a kind of electronic card coupler of tool switching device, is meant a kind of electronic card coupler with switching device of avoiding the immediate current impact damage especially.

The design of the electronic card coupler of existing tool switching device sees also Fig. 1 and is No. the 84215556th, Taiwan patent application, this electronics card connector 8 is to be provided with contact flat spring 82 on the surface at the outer position of contact site 81, thereby before working as contact site 81 and electronic cards contacting, contact flat spring 82 at first contacts with electronic cards, thereby reaches Switching Power Supply electrically conducting with control electronic cards and contact site 81.Seeing also Fig. 2 is United States Patent (USP) the 4th, 900, No. 273, insulating base one end of this electric power connector 9 extends a framework 91, be used for fixing the stator 92 and the flexure strip 93 of switching device, and the end of stator 92 is connected to the end of flexure strip 93, when electronic cards is inserted in the connector 9, the front end of electronic cards contacts and the rightabout that flexure strip 93 inserts along electronic cards is pushed open with flexure strip 93 ends, and separates described stator 92 and flexure strip 93, reaches the purpose of Switching power.But, the common drawback of above-mentioned prior art is that the stator of its switching device and flexure strip all are that metal is made and had good electrical conductivity, when therefore the electronic cards front end contacts with the elastic portion of switching device when electronic cards is inserted electronic card coupler, if there is voltage on the switching device, the electric current that this voltage produces will impact the accurate circuit in the electronic cards and the circuit in the electronic cards will be damaged.

The purpose of this utility model is to provide a kind of switching device with defencive function, and this switching device can prevent the circuit in the electronic cards not to be subjected to the impact damage of immediate current when power supply is supplied.

The purpose of this utility model is achieved in that this electronic card coupler comprises insulating base; be contained in the plurality of conductive terminals in it; covering and switching device; wherein switching device comprises fixed part and the elastic portion that is adjacent on the insulating base; this fixed part and elastic portion are and can open; off status; it is characterized in that: be equiped with an insulator on this elastic portion; when electronic cards is inserted in the electronic card coupler; the front end of electronic cards contacts with the elastic portion that is coated with this insulator; and the rightabout that elastic portion is inserted along electronic cards pushed open; thereby reach the purpose of Switching power supply; and this insulator can be avoided electrical contact the between electronic cards front end and the switching device elastic portion in said process, thereby circuit is not subjected to the impact damage of immediate current in the protection electronic cards when power supply is supplied.

Advantage of the present utility model is: have safeguard measure and can protect the interior circuit of electronic cards not to be subjected to the immediate current impact damage when power supply is supplied.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the stereogram of the electronic card coupler of existing tool switching device.

Fig. 2 is the stereogram of the electronic card coupler of another existing tool switching device.

Fig. 3 is a three-dimensional exploded view of the present utility model.

Fig. 4 is the vertical view after the utility model cover cap covering.

Fig. 5 is the stereogram that electronic cards is not inserted electronic card coupler fully.

See also Fig. 3, the utility model mainly comprises: insulating base 1, plurality of conductive terminals 2, covering 3 and switching device 4, wherein insulating base 1 comprises first surface 11, it is smooth when this first surface power supply subcard 7 (seeing also Fig. 5) inserts, which is provided with the first end 12 that contacts with electronic cards 7, and the other end relative with this first end 12 is the second end 13, and first, the second end 12, be provided with plurality of terminals accepting groove 14 between 13, this terminal containing slot is along the plug direction setting of electronic cards 7 and is opened on the second end 13, conducting terminal 2 is placed in this terminal containing slot 14, and each conducting terminal 2 all has the lug boss 21 that protrudes out at insulating base first surface 11, can contact with electronic cards 7.In addition, one side neighbour of insulating base the second end 13 is provided with first holding division and second holding division, wherein first holding division is an elongate slot 15 that be interrupted at the middle part in the present embodiment, it is perpendicular to the length direction setting of described terminal containing slot 14, be used for taking in and fixing first joint fastener 412 described later, and this second holding division is " L " shape groove 16 in the present embodiment, vertical portion that should " L " shape groove is parallel with described elongate slot 15, and its horizontal part is to be formed to the direction vertical extent away from terminal containing slot 14 by this base, vertical portion, should be used for accommodating and fixing second joint fastener 422 described later by " L " shape groove 16.And respectively be provided with the convex body 17 of two long tapers that keep a determining deviation on the two side arms of this insulating base 1.And covering 3 can be covered on the described insulating base first surface 11, the both sides of this covering 3 suitably are bent to form crimping 31, corresponding described convex body 17 is provided with two rectangular draw-in grooves 32 on each crimping 31, it can fix on described convex body 17, (sees also Fig. 4) thereby this covering 3 effectively is retained on the insulating base 1.And this switching device 4 is positioned at a side of insulating base the second end 13, comprise fixed part 41, elastic portion 42 and insulator 43, wherein fixed part 41 comprises first contact chip 411, it is perpendicular to the length direction setting of described terminal containing slot 14, and extending first joint fastener 412 form by first contact chip, 411 one, this first joint fastener 412 inserts described elongate slot 15 and the fixed part 41 of switching device 4 can be immobilizated on the insulating base 1; This elastic portion 42 comprises second contact chip 421, second joint fastener 422 and is used to connect the brace 423 of the two, wherein second contact chip 421 is inclined to certain angle with brace 423, brace 423 then be arranged in parallel with the bearing of trend of described first contact chip 411, along forming away from terminal containing slot 14 direction vertical extent, this second joint fastener 422 can insert in described " L " shape groove 16 and be retained on the insulating base 1 with the elastic portion 42 with switching device 4 by brace 423 for 422 of second joint fasteners; This insulator 43 is rectangular body in the present embodiment, and it has a long and narrow slot 431, borrows this slot 431 can make insulator 43 be inserted in the end of described second contact chip 421.

Please further consult Fig. 3, this electronic card coupler also comprise a side of being located at insulating base 1 first end 12 and with described switching device 4 oblique corresponding terminal room 5 and a pair of read-write terminals 6, wherein terminal room 5 be by described insulating base first surface 11 cave inward and with two identical elongate slots of electronic cards 7 plug directions, it is opened on the first end 12 of insulating base 1, and a pair of read-write terminal 6 is contained in this terminal room 5, and read-write terminal 6 has the lug boss 61 outside the first surface 11 that convexedly stretches in insulating base 1, to contact with electronic cards 7.

See also Fig. 5 again, when electronic cards 7 is inserted electronic card coupler, electronic cards front end 71 enters the first end 12 of insulating base 1 and contact with read-write terminal 6, and at this moment, fixed part of described switching device 4 41 and elastic portion 42 are that first, second contact chip 411,421 by separately is in contact with one another.Along with the continuation of electronic cards 7 is inserted, electronic cards front end 71 and the insulator 43 of described switching device 4 contact and will be coated with the rightabout that the elastic portion 42 of this insulator 43 inserts along electronic cards 7 and flick, thereby first contact chip 411 of the fixed part 41 of separating switch device 4 and second contact chip 421 of elastic portion 42 reach the purpose that Switching power is supplied.This insulator 43 can be avoided directly electrically contact between the elastic portion 42 of electronic cards front end 71 and switching device 4 in said process, thereby protects electronic cards 7 interior circuit not to be subjected to the impact damage of immediate current when power supply is supplied.

Claims (3)

1. the electronic card coupler of a tool switching device; protective effect can when inserting electronic card coupler, electronic cards be provided; this electronic card coupler comprises: insulating base and accommodate within it several conducting terminals and switching device; wherein switching device comprises fixed part and elastic portion; but this fixed part and elastic portion are the open and close state, it is characterized in that: be equiped with an insulator on this elastic portion.

2. according to the electronic card coupler of the described tool switching device of claim 1, it is characterized in that: the elastic portion of switching device comprises second contact chip, second joint fastener and is used to connect the brace of the two, wherein second contact chip and brace are inclined to certain angle, and second joint fastener is then formed by the flute profile extension of the edge correspondence of brace described " L " shape groove.

3. according to the electronic card coupler of the described tool switching device of claim 2, it is characterized in that: insulator is a rectangular body with slot.

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