CN2543118Y

CN2543118Y - Trip mechanism of memory card

Info

Publication number: CN2543118Y
Application number: CN 02270931
Authority: CN
Inventors: 魏地利; 蔡俊荣; 陈俊任
Original assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Current assignee: WIESON TECHNOLOGIES (DONGGUAN) Co Ltd
Priority date: 2002-06-07
Filing date: 2002-06-07
Publication date: 2003-04-02
Anticipated expiration: 2012-06-07

Abstract

The utility model provides a card retreat structure of a memory card. An insulation seat is provided with a complex conductive terminal; a supporting arm is arranged at two sides of a central cottage grafting part in the same direction; after the complex conductive terminal is pushed into the insulation seat by the memory card, which can cause a complex contact of the memory card to be electrically connected with the complex conductive terminal which is corresponded with the insulation seat; one side of the insulation seat is pivot connected with a pushing block and is connected with an elastic element with the insulation seat; a guide bar at the front end of the elastic element can slide backwards and forwards in a guidance channel which is concave arranged at the surface of the insulation seat; the guide bar forms two locating points at the beginning of the guidance channel and a location part so as to enable the memory card to be pressed into a cycle twice and to pull the pushing block by using the elastic reset force of the elastic element to push the memory card outward to detach from a plug part of the insulation seat to form a condition of card retreat.

Description

The card-withdrawing structure of memory card

One, technical field

The utility model relates to a kind of card-withdrawing structure of memory card, especially refer to that insulating base frame is articulated with one and passes piece, and link a flexible member with arm room, guide rod by the flexible member front end can be front and back slippage or location in the guide groove of edge edge pedestal, be pressed into a circulation and can see through secondary, make memory card break away from the Plug Division of insulating base frame.

Two, background technology

Computer technology is grown up with the speed of making rapid progress now, the development trend of its computer is also strong towards calculation function, the fast direction of speed strides forward, and be usually used in computer, electronic dictionaries etc. are used for expanding memory body, the networking card, religion is according to machine, scsi device is (as the high power capacity hard disc, scanner) is memory card, and the canonical form that memory is stuck on the computer is PCMCIA, general PCMCIAto SCSI, PCMCIA to IDE etc., all can make notebook computer be used the multiple interfare device of PC, in the middle of most of notebook computer, all support the ability of Plug and Play, even support to start shooting again and just can directly use hot plug (Hot Plug) function, and a MMC (Multi Media Card) is roughly still had in the market at present, CF (Compact FlashCard), SM (Smart Media Card), MS (Memory Stick), SD specifications such as (Secure DigitalMemory Card) can be for replacing.

In addition, general dealer all can set firmly a retreat-card device for taking the facility of user when pegging graft or withdrawing from memory card into account in plug socket, and existing retreat-card device is broadly divided into:

1, guide groove E is for being arranged with in passing piece B surface, utilize the support arm A1 of a flexible member C and insulating base frame A to form binding and pass piece B, and guide rod D is fixed in insulating base frame A side afterwards, can move with passing one of piece B by guide groove E, make guide rod D can in the guide groove E that passes piece B, be front and back slippage (as shown in Figure 6).

2, guide groove E is for being arranged with in passing piece B surface, utilize a flexible member C to be linked to the support arm A1 side of insulating base frame A and pass piece B, and guide rod D is the support arm A1 side of being fixed in insulating base frame A, can move with passing piece B by guide groove E, make guide rod D can in the guide groove E that passes piece B, be front and back slippage (as shown in Figure 7).

3, guide groove E is recessed in the support arm A1 surface of establishing insulating base frame A, and passing piece B is to utilize a flexible member C to be linked to insulating base A side afterwards, side then is positioned with a guide rod D in addition, guide rod D can move with passing piece B by guide rod D, even can be front and back slippage (as shown in Figure 8) in the guide groove E that passes piece B.

Yet such scheme still has following many shortcomings:

1, guide rod and flexible member are the separate type design, and above-mentioned two composed components are all very tiny; So, can form the difficulty in the assembling, and then can increase assembling man-hour, and cause cost to increase.

2, pass piece, flexible member and guide rod and be positioned the insulating base frame side, can increase the width of insulating base frame virtually, and can't meet that present computer trends towards gently, approaches, short and small trend.

3, composed component the more can form the increase of error and the assembly cost and the manufacturing cost of assembling, and the cost that is increased can cause price higher, makes consumer's purchase intention reduce, and then does not have the benefit on the industry.

So the global design of such scheme still remains necessity of further improveing.

Three, summary of the invention

The fundamental purpose of the utility model is guide rod and the flexible member one winding shaping that is by the flexible member front end, and can in the surperficial guide groove that is arranged with of insulating base frame, form slippage or positioning states, and then can push the state that is electrically connected of outside also disengaging of memory card and insulating base frame.

The secondary objective of the utility model is to be to reduce composed component, and except can significantly reducing cost, the error in the time of more can be because of the reduction reduction group structure of element produces.

For reaching above-mentioned purpose and structure, technological means that the utility model adopted and effect thereof, the preferred embodiment of drawing now with regard to the utility model illustrates that in detail its structure is as follows with function.

Four, description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model.

Fig. 2 is the stereo appearance figure of the utility model.

Fig. 3 is the preceding action synoptic diagram of the utility model memory card grafting.

Action synoptic diagram when Fig. 4 pegs graft for the utility model memory card.

Stereo appearance figure when Fig. 4 A is positioned the initiating terminal of guide groove for the utility model guide rod.

Fig. 5 is the action synoptic diagram of the utility model memory card grafting back.

Stereo appearance figure when Fig. 5 A is positioned the location division of guide groove for the utility model guide rod.

Fig. 6 overlooks configuration diagram (1) for prior art.

Fig. 7 overlooks configuration diagram (2) for prior art.

Fig. the explanation of 8 overlooks configuration diagram (3) for prior art. figure numbers 1, and------------------------------------------------------------------support arm B---passes piece C---flexible member D---guide rod E---guide groove to insulating base frame A1 to contact A to memory card 41 to guide rod 4 to flexible member 31 to slide block 3 to locating dowel 23 to support division 22 to locating dowel 2 to support arm 1113 to the first slideway 12 to conducting terminal 1112 to initiating terminal 113 to sliding tray 1111 to guide groove 112 to the second slideway 111 to insulating base frame 11 in fit section 311 to pass piece 21 in location division 121 in Plug Division 1114

Five, embodiment

See also Fig. 1,2,3,4A, be action synoptic diagram before three-dimensional exploded view, stereo appearance figure, memory card for the utility model pegged graft and guide rod be positioned guide groove initiating terminal the time upright full outside drawing, can find out that the utility model is formed by including insulating base frame 1, passing piece 2 and flexible member 3 by clear among the figure; Wherein:

These insulating base frame 1 central authorities are for having a Plug Division 11, this Plug Division 11 is concaved with a guide groove 111 and sliding tray 112 in a side surface wherein, and Plug Division 11 central authorities are equipped with

complex conduction terminal

113, and 11 2 sides have extended a support arm 12 in the same way in the Plug Division simultaneously, and wherein the last side of a side support arm 12 convexes with a reference column 121; Moreover, above-mentioned guide groove 111 1 ring-type outward appearances, and be that continuous commentaries on classics is cut and connected a location division 1113 after connecting gradually high first slideway 1112 by an initiating terminal 1111, and location division 1113 is a design of tilting and to edge up, and and initiating terminal 1111 between for linking second slideway 1114 that a turnover shape is arranged.

This passing piece 2 has a support division 21 in extending near side within the Plug Division 11, and convexes with a reference column 22 in last side, and convexes with a slide block 23 in the bottom surface simultaneously.

This flexible member 3 is that one is reeled and to be formed, and has a fit portion 31 in two sides, and extends forward in the fit portion 31 of a side wherein and to have one to be vertical and the guide rod 311 of bending downwards.

By above-mentioned member in group during structure, to pass the slide block 23 that piece 2 bottom surfaces are convexly equipped with inserts in the sliding tray 112 of insulating base frame 1, can front and back slippage in the sliding tray 112 of insulating base frame 1 in even pass piece 2, continuous fit portion 31 by flexible member 3 two sides, be inserted in the reference column 121 of insulating base frame 1 respectively and after passing the reference column 22 of piece 2, even flexible member 3 is the guide rod 311 of bending vertically downward, can be placed in the initiating terminal 1111 of guide groove 111 and be a location.

See also Fig. 3,4,4A, 5, shown in the 5A, be to be the action synoptic diagram before the grafting of the utility model memory card, action synoptic diagram when memory card is pegged graft, stereo appearance figure when guide rod is positioned the initiating terminal of guide groove, what memory card was pegged graft back moves synoptic diagram and the guide rod stereo appearance figure when being positioned the location division of guide groove, can find out when memory card 4 inserts the Plug Division 11 of insulating base frame 1 central authorities by clear among the figure, these memory card 4 leading edges can support the support division 21 of passing piece 2, and then make to pass piece 2 inside slippages and drive flexible member 3 simultaneously and be an extended state and also have an elastic reset power simultaneously, and the guide rod 311 of flexible member 3 promptly by the initiating terminal 1111 of guide groove 111 along first slideway 1112 slippage forward, and then after entering the location division 1113 of guide groove 111, make memory card 4 and pass piece 2 to be a location state; At this moment, the plural contact 41 on the memory card 4 can form with corresponding complex conduction terminal on the insulating base frame 1 113 and electrically connect, and can be convenient to that the user reads or the access data; In addition, when the user desires to withdraw from memory card 4, it is inside to push memory card 4 once more, even it is inside that memory card 4 supports the support division 21 of passing piece 2 once more, make the guide rod 311 of flexible member 3 break away from the location division 1113 of guide groove 111, enter second slideway 1114 of guide groove 111, and make guide rod 311 get back to the initiating terminal 1111 of guide groove 111 along the work second slideway looks in a solemn manner 1114 by the elastic reset power of flexible member 3, and piece 2 outside slippages are passed in drive simultaneously, outwards push memory card 4 even pass the support division 21 of piece 2, and make the plural contact 41 on the memory card 4 break away from the electric connection state with the complex conduction terminal 113 on the insulating base frame 1, take out memory card 4 and can be convenient to the user.

Be with, the utility model trip mechanism of memory card, applicable to using on the main frame of PC or the notebook computer, and the advantage of the utility model is:

(1) overall package is easy fast, and rear each member location of assembling is determined and is difficult for rocking.

(2) by guide rod and flexible member one winding shaping, and effectively saving group constitutive element Part, and can significantly reduce and assemble man-hour, reduce cost.

(3) by elastic reset power own after the flexible member tension, can make and pass the piece tool certainly The moving effect that resets, and can in the guide groove that the insulating base frame surface is arranged with, form by guide rod The state of slippage or location.

Claims

1, a kind of card-withdrawing structure of memory card, be on an insulating base frame, to be equipped with the complex conduction terminal, and two sides have extended a support arm in the same way in central Plug Division, and make the complex conduction terminal after memory card pushes insulating base frame, complex conduction terminal corresponding on plural contact and the insulating base frame on the memory card is formed to be electrically connected, and this memory card can secondary be pressed into a circulation and promotes to pass piece, form the state of locating or moving back card, its principal feature is: this insulating base frame is articulated with one in a side wherein and passes piece, and link with the arm room of insulating base frame a flexible member is arranged, and the guide rod of flexible member front end can form slippage or positioning states in the guide groove that the insulating base frame surface is arranged with, can cooperate memory card to push the passing piece, make support arm and the flexible member of passing interblock can be the state of stretching or answer.

2,, it is characterized in that this passing piece has a support division in extending near side within the Plug Division according to the card-withdrawing structure of the described memory card of claim 1.

3, according to the card-withdrawing structure of the described memory card of claim 1, it is characterized in that the last side of this passing piece convexes with a reference column, and can be for the sheathed location of fit portion of elasticity element.

4,, it is characterized in that this passing piece bottom surface convexes with a slide block, and can insert the state that is a front and back slippage in the sliding tray of insulating base frame according to the card-withdrawing structure of the described memory card of claim 1.

5, according to the card-withdrawing structure of the described memory card of claim 1, it is characterized in that this insulating base frame convexes with a reference column in being equipped with the last side of passing one of piece side support arm, and can be for the sheathed location of fit portion of elasticity element.

6,, it is characterized in that this flexible member is that one is reeled and to be formed, and extend in front end a guide rod is arranged, and this guide rod is bending vertically downward according to the card-withdrawing structure of the described memory card of claim 1.

7, according to the card-withdrawing structure of the described memory card of claim 1, it is characterized in that the guide groove that this insulating base frame surface is arranged with is a ring-type outward appearance, and pass piece when not promoting, the guide rod of flexible member is for being positioned at the initiating terminal of guide groove, and after initiating terminal connects gradually high first slideway, continuous turnover connects a location division, and the location division is a design of tilting to edge up, and and initiating terminal between for linking a turnover shape slideway is arranged.