[background technology]
Generally, the card reader that ATM device (cash banding machine) and automatic vending machine etc. are adorned is a kind of to carry out the device of read/write from the information of the card shape medium that insert mouthful.In the past, on this card reader, be provided with protective door in the inboard of card inserting mouth, prevented that the foreign matter except card shape medium from inserting from card inserting mouth, or prevented that bad behavior because of the 3rd people from will block the taking-up of shape medium and usurping etc.When the media detection sensor detects when inserting mouthful card shape medium that insert, protective door is opened, and when detecting card release shape medium and enter the inner side that inserts mouthful, protective door is closed.Usurping of bad behavior to the third party can be considered following situation.After client just inserts card shape medium from the insertion mouth; the occasion that some fault makes card shape medium produce obstruction, abend takes place because installing inner mechanical component or electrical system; or have a mind to the occasion of playing some apparently skillful movement in wushu that card shape medium are stopped the third party; at this moment; because card shape medium do not enter the inner side of card inserting mouth as yet, protective door is in open mode, therefore; usually can take place because client leaves the scene for calling the staff to wait, the third party seizes the opportunity the phenomenon that card shape medium are taken away.In order to prevent that this improper phenomenon of usurping card shape medium from taking place, the card reader socket can be provided with the sharp member of front end usually, locks in order to be inserted in the outside surface of the card shape medium that abend in card shape medium delay position.
Yet existing card reader socket exists weak point to be: the first, and the card inserting mouth inboard is provided with protective door device, and this protective door device relies on the control signal work of media detection sensor, and therefore, this protective door device infrastructure cost is higher; The second, existing lock-in techniques is very big to the surface injury of card shape medium, extremely destroys embedded chip or the magnetic strips of card shape medium, thereby has shortened the serviceable life of card.
Therefore, necessaryly provide a kind of improved card reader socket, to overcome the defective of above-mentioned card reader socket.
[summary of the invention]
It is a kind of simple in structure that the purpose of this utility model is to provide, and can stop non-card class article to insert, and can utilize the design feature of self to prevent from being taken out a kind of card reader of usurping by bad behavior person from inserting mouthful card shape medium that insert again.
For achieving the above object, the utility model adopts following technical scheme: a kind of card reader, comprise the card reader socket, described card reader socket comprises pedestal, be assembled in the embedding part of pedestal one end and the sliding seat that can slide at pedestal, be provided with by elastic card in the described embedding part, the protective door device that ball and elastic body are formed, described elastic card roughly is " gate shape ", it comprises the contact site that the outside symmetry in two opposite ends of main part and autonomous body is extended, described sliding seat is provided with card shape medium locking device, this locking device is provided with locking component, the one end is connected to sliding seat rotationally by fulcrum pin, the other end be provided with can with the fastener of card shape medium butt.
Described contact site comprises the contact arm that connects main part, and stretches out and be approximately perpendicular to the sway brace of contact arm from contact arm.
Described contact arm, main part and sway brace combine and form first surface, second curved surface in vertical direction, and wherein, second curved surface is by smooth being formed by connecting of curved surface of two different radians.
The fastener of described locking component forms from one distolateral distolateral successively with described card shape medium butt and with its zigzag of biting to another.
Described sliding seat be provided with can ccontaining locking component first storage tank.
Also be equiped with at least one elastic body in described first storage tank, elastic body two ends difference butt is to the sidewall of locking component and first storage tank.
Homonymy position with locking component on the described pedestal is provided with trip lever.
The fastener butt of described locking component is to the side of described card shape medium.
Described card reader socket also is provided with the plug-in card prompting device that matches with embedding part.
Compared with prior art, a kind of card reader of the utility model, owing to be provided with the protective door device of being formed by elastic card, ball and elastic body in its embedding part, and this protective door device is when original state, and elastic card seals draw-in groove, therefore, can stop non-card class article to insert in the card reader, because it has card shape medium locking device, therefore, can prevent that being taken out the phenomenon of usurping from the card shape medium that insert the mouth insertion by bad behavior person takes place simultaneously.
[embodiment]
Describe in detail below in conjunction with Fig. 1-5 pair of the utility model card reader, card reader socket 100 comprises pedestal 10, is assembled in the embedding part 20 of pedestal 10 1 ends, can be installed on card shape medium locking device and gearing on the sliding seat 30 at the sliding seat 30 of pedestal 10 slips.
Pedestal 10 comprises Base body 101, is installed on the slide rail on the Base body 101.Base body 101 is rectangular body structure roughly, and it is processed by rigid material usually.The recessed formation one of Base body 101 upper surface portion is first groove 103 of rectangular shape roughly, also be provided with second groove 104, the 3rd groove (not shown) on first groove, 103 length directions, the center line of first groove 103 and second groove 104, the 3rd groove is located on the same line.Slide rail is made up of first rectangular block 1021 and four rubber covered rollers 1022 of two same sizes, and whole slide rail is installed in first groove 103 of Base body 101.Homonymy position with card shape medium locking device on the pedestal 10 is provided with trip lever 80.
Embedding part 20 is rectangular body shape roughly, and it comprises upper and lower surface (not label), left and right side (not label) and front/rear end (not label).Be provided with in the embedding part 20 and connect the draw-in groove 21 that front/rear end inserts for card shape medium, the two ends of this draw-in groove 21 form the card inserting mouth 211 that can insert card shape medium respectively and card shape medium can be moved back bayonet socket 212 with opposite direction from card inserting mouth 211 releases.Embedding part 20 upper surfaces are provided with recessed slit 22 to draw-in groove near the front end face place, the straight line at slit 22 places is approximately perpendicular to the straight line at draw-in groove 21 places, in addition, also be concaved with two circular holes 23 that size is identical in about 20 two sides of embedding part and near the lower surface place.
Be provided with protective door device in the embedding part 20, protective door device is made up of elastic card 61, ball 62 and first elastic body 63.Wherein, elastic card 61 roughly is " gate shape ", and it comprises the contact site 612 that the outside symmetry in two opposite ends of main part 611 and autonomous agent 611 is extended.Contact site 612 comprises the contact arm 6121 that connects main part 611, and stretches out and be approximately perpendicular to the sway brace 6122 of contact arm 6121 from contact arm 6121.Contact arm 6121, main part 611 and sway brace 6122 combine and form first surface 613, second curved surface 614 in vertical direction, and wherein, second curved surface 614 is by smooth being formed by connecting of curved surface of two different radians.Ball 62 roughly is sphere-like, has rigid material to make usually, and the ball material that the utility model adopts is glass material.First elastic body 63 is the body shape in the shape of a spiral, can select ball spring goods for use, but also can select the elasticity thing of other shapes for use.
Sliding seat 30 comprises that supporting plate 31, sliding shoe violate and first and second locating piece (33,34), supporting plate 31 rectangular body shape roughly wherein, and it mainly acts on and is carrier card shape medium; Sliding shoe 32 is installed on the bottom surface of supporting plate 31, and it is approximately perpendicular to supporting plate 31, and the two opposite side walls that sliding shoe is violated is provided with chute 321; First, second locating piece (33,34) is installed on relative both sides of supporting plate 31 upper surfaces, forms between the two only to hold the card road 311 that card shape medium pass through.
Be concaved with first storage tank 312 on one side of supporting plate 31, card shape medium locking device is installed in first storage tank 312, and it comprises locking component 41, fulcrum pin 42 and second elastic body 43.Locking component 41 comprises articulated section 411, connecting portion 412 and fastener 413.Articulated section 411 is provided with circular hole, can directly overlap to fulcrum pin 42, and after card shape medium locking device was installed, locking component 41 just can turn certain angles around fulcrum pin 42 in first storage tank 312.Second elastic body 43 is as spring, and its two ends butt respectively are second locating piece 34 to the sidewall of locking component 41 and first storage tank 312 directly over first storage tank 312.The fastener 413 of locking component 41 of the present utility model forms from one distolateral distolateral successively with described card shape medium butt and with its zigzag of biting to another.
Plug-in card prompting device 70 is matched with on the rear end face of embedding part 20, and it is electrically connected to the control circuit of card reader, and its inside is equipped with warning light, and the 70 main effects of plug-in card prompting device are the light prompt user plug-in card positions of sending flicker.
During a kind of card reader of assembling the utility model socket 100, at first, slide rail is mounted on the Base body 101, the embedding part 20 of in an end of Base body 101 is installed, setting up defences and protecting door gear again, then sliding seat 30 is installed on the slide rail and with sliding seat 102 and is connected to stepper motor 52 by screw mandrel 51, will block shape medium locking device at last and be installed on the sliding seat 30.For a complete card reader, can add a metal shell at above card reader socket 100 outside surfaces usually.
Card reader socket 100 after the assembling is work like this: when original state, sliding seat 30 moves to embedding part 20 along slide rail, particularly, the chute that the two opposite side walls that the sliding shoe of sliding seat 30 is violated is provided with is violated 1 and is embedded on the slide rail of being made up of first rectangular block 1021 of two same sizes and four rubber covered rollers 1022, back sliding seat 30 in the transmission lower slider of motor 52 to embedding part 20.At this moment, trip lever 80 butts on the pedestal 10 are to the connecting portion 412 of locking component, thereby the compression butt is to second elastic body 43 of locking component, so that fastener 413 rotates in first storage tank 312, at this moment, 611 ones of the main bodys of elastic card make draw-in groove 21 be in closed state across on draw-in groove 21.When the card inserting mouth 211 to embedding part 20 inserts card shape medium, card shape medium are in the process of inserting, the guide part of its front end touches ball 62 earlier, at this moment, under the effect of the external force of plug-in card, card shape medium just can be pushed ball 62 open to both sides, so ball 62 just rolls along second curved surface 614, in the process that ball 62 rolls, elastic card 61 in the vertical directions move up, in the process of moving on the elastic card 61, can compress first elastic body 63 that is installed on elastic card 61 first surfaces 613, the main part 611 that finally makes elastic card separates with draw-in groove 21 in order to block on the supporting plate 31 that the shape medium further are inserted into sliding seat, subsequently, sliding seat 30 passes through under the transmission of screw mandrel 51 at stepper motor 52, away from embedding part 20, in this process, trip lever 80 on the pedestal is away from the connecting portion 412 of locking component, so, elastic deformation takes place in compressed second elastic body 43 under the original state, finally make the fastener 413 of locking component to first storage tank, 312 inner rotary, in order to make the fastener 413 of locking component be connected to the side of card shape medium, can not take out when card reader is transmitted in order to guarantee card shape medium.After card reader is finished read-write card work, sliding seat 30 drives near embedding part 20 by screw mandrel again, at this moment, trip lever 80 on the pedestal again butt to the connecting portion 412 of locking component, the compression butt is to second elastic body 43 of locking component, so that fastener 413 rotates in first storage tank 312, namely fastener 413 is away from the side of card shape medium, and the user just can extract card shape medium.When withdrawing from card shape medium, elastic deformation takes place in first elastic body 63 in the first surface 613, impels elastic card 61 to return to original state, and in this process, ball 62 also can be got back to original state, and final draw-in groove 21 is closed state again.
Above embodiment is preferred embodiment of the present utility model; the utility model is not limited to above-described embodiment; for those of ordinary skills; the any apparent change of doing on the basis that does not deviate from the utility model know-why all belongs to the protection domain of design of the present utility model and claims.