CN201159999Y - Movable memory device - Google Patents

Abstract

The utility model relates to a removable storage device, which comprises a storage module and a casing body for cladding the storage module. An opening is arranged on the casing body, a plug which can convexly protrude the plug of the casing body is arranged on the storage module, the removable storage device is also provided with a rotating mechanism installed at one end of the casing body, a holding part is arranged on the casing body, a limit block is arranged in the holding part, the rotating mechanism is provided with an installing part fixedly held with the holding part, a lug which is propped against the limit block so as to limit the rotation of the rotating mechanism is arranged at the installing part, and thereby the excessive rotation of the rotating mechanism can be effectively limited.

Description

Flash memory device

[technical field]

The utility model relates to a kind of flash memory device, relates in particular to the scalable flash memory device in housing of a kind of plug.

[background technology]

Electronics and information industry is flourish in recent years, information such as all archives such as music, map file, news will effectively provide download to be used, therefore for utilizing small-sized and easy-to-use medium to store the data of high power capacity and the demand of archives increases just fast.The portable electronic product device is carried utilization because of being convenient to the user, and extensively and the use that mutually combines of personal computer or its peripheral unit (as printer), the most popular know and use on the spot should belong to mini flash memory device, can satisfy the demand mainly as the exchange of the data between different device transmission medium.Common flash memory device mainly is that a data storing circuit is set in the inside of a housing, this circuit is connected with a Signal connector that can protrude in this shell nozzle relatively, the common standard specification of this joint be the universal serial bus that generally adopts (Universal Serial Bus, USB).

With regard to user's angle, in order to prevent the stained and casual loss of dust cap of plug fail in compression and interior contacts, industry has been developed the scalable flash memory device in housing of plug, the side that this kind technical scheme is mainly at data storage circuitry is provided with button, can utilize the promotion button and plug is released housing thereby the breach that button is moved is set on the housing.For satisfying the many-sided demand of user, also have by a rotating mechanism is set and plug is released housing by the rotation fixed angle.In general, at an end of housing holding parts is set, rotating mechanism is provided with the installation portion that is immobilizated in the housing, and this kind installation portion is that circular design is rotated in holding parts with convenient.Usually be provided with driver slot in this rotating mechanism, one push rod, one end is installed in the rotating mechanism, and the other end relative with it is connected with the data storing circuit board, the thread that can slide in driver slot is set on this push rod, thereby impels pushrod movement so that plug is released housing.Yet, if this driver slot connects an end of rotating mechanism or in axial direction is communicated with, then when rotating mechanism rotation and after impelling push rod that plug is released housing, rotating mechanism also can be rotated further and impel push rod to promote plug and continue to move forward, cause the damage of housing or plug easily; Or rotating mechanism dallies with respect to push rod, to such an extent as to can rotate than multi-turn, then when returning to plug in the housing, again must revolution than multi-turn, cause user's inconvenience, and after rotation repeatedly, easily cause the damage of this flash memory device and influence use.

Therefore, be necessary this kind flash memory device is transformed to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of flash memory device of effective control rotating mechanism rotation.

For achieving the above object, the utility model adopts following technical scheme: a kind of flash memory device, the housing that it comprises the storage module and coats the storage module, described housing is provided with an opening, described storage module is provided with the plug that can protrude out housing, described flash memory device also is provided with the rotating mechanism that is installed on housing one end, described housing is provided with holding parts, be provided with a limited block in the described holding parts, described rotating mechanism is provided with and the holding parts installation portion of fixing mutually, and described installation portion is provided with the projection that can offset and rotate with the restriction rotating mechanism with limited block.

Compared with prior art, the utlity model has following beneficial effect: by a limited block is set in the holding parts of housing, the projection that can support with limited block is set on the installation portion of rotating mechanism, thereby when rotating mechanism is rotated in place, be after plug protrudes out housing, projection on the rotating mechanism is held on the interior limited block of housing, thereby rotating mechanism can not continue rotation, and then makes things convenient for use and can not damage this flash memory device.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model flash memory device.

Fig. 2 is the part exploded view of the utility model flash memory device.

Fig. 3 is the part exploded view of another angle of the utility model flash memory device.

Fig. 4 is the three-dimensional exploded view of the utility model flash memory device storage module.

Fig. 5 is the three-dimensional exploded view of another angle of the utility model flash memory device storage module.

Fig. 6 is the schematic perspective view of the utility model flash memory device push rod and gear.

Fig. 7 is the schematic perspective view of the utility model flash memory device first inner housing.

Fig. 8 is the combination synoptic diagram of the utility model flash memory device rotating mechanism and second inner housing.

Fig. 9 is the rotating mechanism stereographic map of a body wherein in the utility model flash memory device.

Figure 10 is the rotating mechanism stereographic map of another angle of body wherein in the utility model flash memory device.

Figure 11 is the rotating mechanism front view of a body wherein in the utility model flash memory device.

Figure 12 shows that for the part synoptic diagram of the utility model flash memory device plug is hidden in the state in the housing.

Figure 13 shows that for the part synoptic diagram of the utility model flash memory device plug protrudes out the state of housing.

[embodiment]

See also Fig. 1 to shown in Figure 11, the utility model flash memory device 8 comprises storage module 2 and coats the housing 1 of storage module 2, on the described storage module 2 push rod 3 is installed, on the described push rod 3 gear 4 is installed, an end of described housing 1 is equipped with a rotating mechanism 5.Described storage module 2 comprises the slide body 20 that can move along housing 1 and is immobilizated in circuit board 21 in the slide body 20 that described circuit board 21 is provided with the plug 22 that can protrude out housing 1.

Described housing 1 comprises inner housing that coats storage module 2 and the shell body that coats the inner housing periphery.Described inner housing comprises first inner housing 10 and second inner housing 11 of mutual fastening, and described second inner housing 11 is provided with two second relative sidewalls 110 that are longitudinally and extend, second connecting wall 111 that connects rotating mechanism 5, relative with second connecting wall 111 second and docks wall 112 and diapire 113.The longitudinally of housing 1 is first direction A, with the horizontal direction of the perpendicular housing 1 of first direction A be second direction B.Described second sidewall 110 and second connecting wall, 111 inboards respectively to housing 1 inside convex with in order to first inner housing 10 teat 1100 of buckle mutually.Described second inner housing 11 is provided with the holding parts in order to the described rotating mechanism 5 of fixing.Described holding parts comprises annular wall 1110 that is recessed to form and the butting section 1111 that is positioned at annular wall 1110 inboards on described second connecting wall 111, inwardly be equipped with a limited block 1113 on the described butting section 1111.Be provided with a pair of groove 1112 in second connecting wall, 111 upper ends to match with first inner housing 10.The described second butt joint wall 112 is provided with a rectangular breach 1120 so that plug 22 can protrude out housing 1, and when plug 22 was hidden in the housing 1, described plug 22 end laps were in breach 1120 upper ends.

Described first inner housing 10 is provided with the first side wall 100 of a pair of and the butt joint of second sidewall 110, first connecting wall 101, relative with first connecting wall 101 first that connects rotating mechanism 5 dock wall 102 and reaches and diapire 113 opposing top 103.Be respectively equipped with the clamping part 1000 that the teat 1100 on several and described second inner housing 11 interlocks and holds on the described the first side wall 100 and first connecting wall 101, one of them the first side wall 100 inboard is provided with first tooth bar 1002 that extends internally in order to match with described gear 4.Also be provided with in order to the holding parts of described rotating mechanism 5 to be installed corresponding to second inner housing 11 on described first inner housing 10.Described holding parts comprises annular wall 1110 that is recessed to form from described first connecting wall 101 and the butting section 1111 that is positioned at described annular wall 1110 inboards, inwardly be equipped with a limited block 1113 on the described butting section 1111, the annular wall 1110 on described first, second inner housing 10,11 is combined together to form a manhole so that rotating mechanism 5 to be installed.Convex with the teat 1011 that groove 1112 a pair of and on second connecting wall 111 matches in first connecting wall, 101 upper ends.Described first butt joint also is provided with rectangular indentation 1120 corresponding breach 1120 that docks with second on the wall 112 on the wall 102, this first, second dock rectangular indentation 1120 formation one rectangular aperture on the wall 102,112 so that plug 22 can protrude out housing 1.Be respectively equipped with a recess 114 on described first, second connecting wall 101,111.

Described shell body comprises first shell body 12 and second shell body 13 that is posted by first, second inner housing 10,11 respectively, described first, second shell body the 12, the 13rd is affixed on first, second inner housing 10,11 peripheries by gluing, thereby shell body closely is immobilizated in the inner housing periphery.

Described slide body 20 is installed in first inner housing 10 and second inner housing 11, can be provided with on the described circuit board 21 in order to store the memory body chip (not shown) of external data.Described slide body 20 is rectangular, and it is provided with a roof 200, from two sides 201 that roof 200 extends downwards and the end walls 202 that connects two side 201.These slide body 20 roofs 200 are provided with a rectangular aperture 2001; Described sidewall 201 be provided with first inner housing 10 on the second relative tooth bar 2011 of first tooth bar 1002; Be combined to form a host cavity 203 in order to accommodate circuit board 21 by described roof 200, two side 201 and end walls 202; The end wall 202 that is away from plug 22 from described slide body 20 is extended with a sliding part 2020 downwards, and another end wall 202 and sidewall 201 end laps are in breach 1120 upper ends, and it is inboard and slide along first direction A and to expose or be hidden in the housing 1 that described storage module 2 is posted by second inner housing, 11 diapires 113 by sliding part 2020; 201 downward respectively extensions are provided with a holding part 2010 from the two side, when described circuit board 21 is installed in the host cavity 203, thereby described holding part 2010 is held in the bottom of circuit board 21 circuit board 21 is immobilizated in the slide body 20, the slip of then described slide body 20 can drive circuit board 21 and move, and protrudes out or is hidden in the housing 1 thereby drive plug 22.201 outsides, described two side are respectively equipped with a limited block 2012 to prevent to store module 2 double swerve in housing 1.

Described push rod 3 two ends are installed on respectively in housing 1 and the rotating mechanism 5, and described push rod 3 is provided with to be installed on to become in the described opening 2001 flat first 30 and to be installed on and becomes columned second portion 31 in the rotating mechanism 5.The end that described first 30 is away from second portion 31 convexes with a pivot 300, and described gear 4 is provided with the pivoted hole 40 that is socketed on the pivot 300.The both sides of described gear 4 respectively with first inner housing 10 on first tooth bar 1002 and second tooth bar 2011 on the slide body 20 match.Described first 30 is provided with the connecting portion 301 that connects second portion 31, described connecting portion 301 has a end that flat first 30 is close to second portion 31 of one's own and extends downwards and form, in the time of in plug 22 is hidden in housing 1, described connecting portion 301 is resisted against an end of slide body 20.The end that described second portion 31 is away from first 30 is symmetrically arranged with a pair of slide block 310, described slide block 310 is provided with relative two and supports wall 3100, the axle center of supposing described cylindric second portion 31 is X, and then rotating mechanism 5 can rotate and promotes push rod 3 and move forward around axle center X.

Described rotating mechanism 5 is immobilizated in the described holding parts, and described rotating mechanism 5 is detained to hold mutually by two roughly the same bodies 50,51 and formed.Its same section structure is: described body 50,51 is provided with the interface 500 of mutual butt joint, described body 50,51 be provided with trip 5010 that mutual button holds or button hold groove 5011 with two bodies 50,51 closely button be held in together.Described body 50,51 includes the drive division 501 that drives push rod 3 motions and is immobilizated in the installation portion in the holding parts 502 on the housing 1, and described installation portion 502 is the semi-round ring shape design.

Be provided with in the middle of the described drive division 501 along first direction A extend in order to the fitting recess 503 of described push rod 3 second portions 31 to be installed, this fitting recess 503 all is communicated with the installation portion 502 of two bodies 50,51.Described fitting recess 503 is set to circular-arc corresponding to the structure of push rod 3 second portions 31.Be concaved with in the fitting recess 503 on the described drive division 501 and drive the driver slot 504 that described slide block 310 slides, promptly described driver slot 504 does not run through body 50 or body 51 along first direction A.Described driver slot 504 is provided with relative two side 5040, described two side 5040 does not all fall into driver slot 504 along the projection of body 50 thickness directions, so design, with the convenient two side 5040 that can not damage driver slot 504 along the extraction of body 50,51 thickness directions of convenience mould (not shown) in two bodies, 50,51 forming processes, improve the yield rate of body 50,51.After two bodies 50,51 fastened, the driver slot 504 in two bodies 50,51 was combined to form and drives the helicla flute (not label) that slide block 310 moves with respect to rotating mechanism 5 rotations.Thereby rotate in promotion push rod 3 motion processes at rotating mechanism 5, described slide block 310 has at least two relative walls 3100 that support to offset with two of driver slot 504 relative sidewalls 5040, thereby push rod 3 is moved in driver slot 504 easily and can not influence use because of the change of driver slot 504.

Two side 5040 formation that described driver slot 504 is close to an end of housing 1 can be held in two the relative stopping surfaces 5041 of slide block 310 along the two ends of first direction A respectively.Described stopping surface 5041 is connected with described interface 500, described two stopping surfaces 5041 are parallel to each other and perpendicular to the direction that seesaws of push rod 3, thereby after plug 22 protrudes out housing 1, slide block 310 is held on the stopping surface 5041 along the two ends of first direction A, plug 22 compressed and can not cause slide block 310 front and back wobble effects with to being connected between circuit closer (not shown), plug 22 can not return in the housing 1 yet.From on the interface 500 of body 50 and body 51 with this body 50 and body 51 on the terminal relative side of driver slot 504 be concaved with a limiting section 5001 that can offset with slide block 310 end in axial direction, described limiting section 5001 is connected with the end that driver slot 504 on another body 51 or 50 is close to housing 1, are driver slot 504 ends that are positioned on another body 51,50 promptly when two bodies 50,51 fasten the limiting section 5001 of back on it, the axial direction that this limiting section 5001 rotates perpendicular to slide block 310.Thereby put in place in push rod 3 motions, after plug 22 protruded out housing 1, described slide block 310 was held on the limiting section 5001 along an end of push rod 3 axial directions, and then described push rod 3 can not continue along its axial idle running.Described body 50,51 is equipped with the installed surface 505 that docks with connecting wall 101,111 on the described housing 1, described installed surface 505 is provided with the prominent point 5050 that cooperates with recess 114 on the described connecting wall 101,111, thereby when rotation rotating mechanism 5 makes push rod 3 promotion plugs 22 protrude out housing 1, slide block 310 offsets with stopping surface 5041, prominent point 5050 is contained in the recess 114, and then the grafting of plug 22 can not make plug 22 be compressed to return in the housing 1.

The installation portion 502 of described body 50,51 is installed on respectively in the holding parts on the housing 1, an end that is close to housing 1 from described installation portion 502 outwards convexes with flank 5020 along its circumferencial direction, described annular wall 1110 is seized on both sides by the arms between the flank 5020 and installed surface 505 that is fixed on the described installation portion 502, flank 5020 then is held in the inboard of first, second connecting wall 101,111 and between described butting section 1111, thereby rotating mechanism 5 is installed on the housing 1.In addition, be respectively equipped with groove 5002 and the teat 5003 that cooperatively interacts on the interface 500 at described two bodies, 50,51 installation portions 502 places, when two bodies 50 fasten in the complete circular holding parts that is installed on the housing 1 of the described installation portion in back 502 formation one to make things convenient for rotating mechanism 5 to rotate around axle center X.In addition, described body 50 both sides are respectively equipped with a mounting groove 506, a pair of accessory 6 is immobilizated in respectively in the mounting groove 506, can be respectively on the described accessory 6 fixedly the two ends of lanyard (not shown) carry to make things convenient for the user, inwardly be equipped with a stop block 5060 on the inwall of described mounting groove 506 and skid off along first direction A to prevent accessory 6.

Its difference is: the installation portion 502 upper edge first direction A of described body 51 stretch out the projection 5021 of a camber.When plug 22 was hidden in the housing 1, described projection 5021 end along the circumferential direction was held on the limited block 1113 on described second inner housing 11 the described rotating mechanism 5 of opposite spin when preventing that the user from using; When plug 22 is released housing 1, described projection 5021 other end along the circumferential direction is held on the limited block 1113 on described first inner housing 11 to prevent transition rotation rotating mechanism 5, avoid causing damage the utility model flash memory device 8, and convenient the use.

During assembling, at first push rod 3 is installed in the wherein body 51 of rotating mechanism 5 and with another body 50 and is held on it, the slide block 310 on the described push rod 3 is positioned at described driver slot 504, simultaneously described accessory 6 is installed on the both sides of body 50,51 respectively; Secondly, gear 4 is socketed on the pivot 300 on the push rod 3 and with it is installed in first inner housing 10, at this moment, first tooth bar 1002 interlock mutually on a side of gear 4 and this first inner housing 10; To store module 2 once more and be installed in first inner housing 10, the first 30 of described push rod 3 is positioned at the opening 2001 of storage module 2, the opposite side of gear 4 with store module 2 on second tooth bar 2011 interlock mutually; At this moment again second inner housing 11 is held on first inner housing 10; At last first, second shell body 12,13 is pasted on first, second inner housing 10,11 peripheries respectively, thereby is combined into the utility model flash memory device 8.

As Fig. 1, Figure 12 with Figure 13 shows that the utility model flash memory device 8 push rods 3 promote plugs 22 and are hidden in or the protruding motion state diagram that exposes housing 1, in the time of in plug 22 is hidden in housing 1, slide block 310 on the described push rod 3 is positioned at the end that helicla flute (not label) is away from housing 1, at this moment, one side of described gear 4 and first tooth bar 1002 on first inner housing 10 are away from the end interlock mutually of plug 22, and second tooth bar 2011 is close to the end interlock mutually of plug 22 on the opposite side of gear 4 and the storage module 2.

Because rotating mechanism 5 is to be immobilizated in the housing 1 in the utility model flash memory device 8, and rotating mechanism 5 can not move along first direction A with respect to housing 1, then rotate described rotating mechanism 5 around axle center X, the helicla flute (not label) of slide block 310 on the described push rod 3 in rotating mechanism 5 travels forward with respect to housing 1 along first direction A, simultaneously, described push rod 3 driven gears 4 move forward.Because described housing 1 is static along first direction A with respect to rotating mechanism 5, then described first tooth bar 1002 with respect to rotating mechanism 5 along first direction A transfixion; Described storage module 2 be positioned at housing 1 and not with housing 1 fixing, promptly described storage module 2 can move along first direction A with respect to housing 1, the opposite side of described again gear 4 and the second tooth bar 2011 mutually interlock of storage on the module 2; Be that described gear 4 is static with first tooth bar 1002 of one side interlock, and with its opposite side mutually second tooth bar 2011 of interlock according to the motion of gear 4 and can produce transmission, when then described push rod 3 driven gears 4 travel forward, described gear 4 can rotate forward along first tooth bar 1002, simultaneously, the rotation of gear 4 will drive second tooth bar 2011 transmission forward, then store module 2 and travel forward and drive plug 22 and move forward with respect to housing 1.When described rotating mechanism 5 clockwise rotates 180 when spending around axle center X, described plug 22 can protrude out housing 1 fully, and described slide block 310 is held in respectively along the two ends of first direction A on the stopping surface 5041 of spiral groove end in case limited slip block 310 moves forward or backward.

Static and gear 4 one sides are to rotate along first tooth bar 1002 because of first tooth bar 1002, then can first tooth bar, 1002 places as gear 4 proal motion axle center, the direction of motion of supposing push rod 3 pass on the gear 4 a bit, then this is identical along movement velocity and the movement travel of first direction A with push rod 3.If this point and first tooth bar 1002 are r along the distance of second direction B, promptly this point is r apart from the distance in this motion axle center, the opposite side of the gear 4 that matches with second tooth bar 2011 and the distance between this motion axle center are n times apart from r, other establishes, and this some place movement velocity is v on the gear 4, run duration is t, linear velocity formula according to the object that moves in a circle: v=2 π r/t, the movement velocity that then can draw the opposite side of the gear 4 that matches with second tooth bar 2011 is n a times of this some place movement velocity; Again according to movement travel=time * speed, because the run duration of gear 4 each points is identical, the stroke that can draw 2011 motions of gear 4 opposite side transmissions second tooth bar is described n times along first direction A movement travel, be push rod 3 n times along first direction A move distance, thereby storage module 2 is effectively amplified along the distance that first direction A moves, and then can reduce to promote the acting force of push rod 3 motions.

The direction of motion of push rod 3 is to pass the center of circle G of gear 4 in the utility model flash memory device 8, and promptly described point is gear 4 center of circle G, establishes between gear 4 center of circle G and the motion axle center apart from being R, the then proal speed v in gear G place, 4 center of circle=2 π R/t; And the distance of the opposite side of gear 4 from the motion axle center is 2R, then the proal linear velocity of gear 4 opposite sides is 2 times of G place, gear 4 center of circle movement velocity, and the opposite side transmission second tooth bar 2011 proal speed of this gear 4 also are 2 times of center of circle G place movement velocity simultaneously.In the utility model flash memory device 8 with rotating mechanism 5 around axle center X dextrorotation turnback, push rod 3 can be S along the first direction movement travel, then can draw the opposite side transmission second tooth bar 2011 proal strokes that gear 4 cooperates with second tooth bar 2011 is 2S, thereby make that the movement travel of storage module 2 is effectively amplified, this moment, plug 22 can protrude out housing 1 fully conveniently to peg graft with butt connector (not shown).As long as promptly apply the very little acting force that promotes push rod 3 forward,, protrude out housing 1 thereby drive plug 22 just can make the big distance of storage module 2 motions.

In addition; around axle center X 180 degree that circle round, described push rod 3 moves towards first direction A in the other direction along described helicla flutes (not shown), returns in the housing 1 thereby drive storage module 2 with described rotating mechanism 5; at this moment, plug 22 just is hidden in the housing 1 so that the good dust-proof protection to be provided.

Really; but the push rod 3 on the utility model flash memory device 8 also end extension of spinning mechanism 5 forms; and be bolt shape design; and the through hole on the housing 1 may be molded to a screw; thereby then this kind push rod 3 can be in screw around axle center X rotation and move forward and promote storage module 2 and move with respect to housing 1, promptly drive plug 22 protruding expose or be hidden in the good dust-proof protection is provided in the housing 1.

Can draw thus: first, the utility model flash memory device 8 is by rotating rotating mechanism 5 certain angles around axle center X, it in the utility model preferred embodiment the Rotate 180 degree, just can promote push rod 3 drives storage module 2 and plug 22 thereof simultaneously and protrudes out or be hidden in the housing 1, thereby people can release plug 22 when using this kind flash memory device 8, and with circuit closer (not shown) is connected, when not using, then it can be regained in the housing 1, and the user can conveniently control rotational angle and use dynamics, do not use any dustproof accessory of formula that adds thereby can reach, can provide the good dust-proof protection to this plug 22, be convenient for carrying again; Second, static relatively by first tooth bar 1002 be located on first inner housing 10, but and be located at second tooth bar 2011 relative motions of storage on the module 2, thereby described push rod 3, gear 4 reaches first tooth bar 1002 in first inner housing 10 that matches with gear 4 both sides and second tooth bar of storing on the module 2 2011 is combined to form the one stroke enlarger, then only need apply less moving push rod 3 small distances of trying hard to recommend, just can make gear 4 drive storage modules 2 and move bigger distance, and then the bigger distance of plug 22 motions is exposed or is hidden in the housing 1 by transmission second tooth bar 2011; Three, by a limited block 1113 is set in the holding parts of housing 1, the projection 5021 that can support with limited block 1113 is set on the installation portion 502 of rotating mechanism 5, thereby, rotating mechanism 5 is rotated in place when promoting push rod 3, be after plug 22 protrudes out housing 1, projection 5021 on the rotating mechanism 5 is held on the limited block 1113 in the housing 1, thereby rotating mechanism 5 can not continue rotation, and then conveniently uses and can not damage this flash memory device 8.

Claims (10)

1. flash memory device, the housing that it comprises the storage module and coats the storage module, described housing is provided with an opening, described storage module is provided with the plug that can protrude out housing, it is characterized in that: described flash memory device also is provided with the rotating mechanism that is installed on housing one end, described housing is provided with holding parts, be provided with a limited block in the described holding parts, described rotating mechanism is provided with and the holding parts installation portion of fixing mutually, and described installation portion is provided with the projection that can offset and rotate with the restriction rotating mechanism with limited block.

2. flash memory device as claimed in claim 1 is characterized in that: described installation portion is provided with outward extending flank, and described projection forms to the opening direction extension from described flank.

3. flash memory device as claimed in claim 2, it is characterized in that: described housing is provided with the connecting wall that connects rotating mechanism, described rotating mechanism is provided with the installed surface that docks with connecting wall, described holding parts comprises the annular wall that is recessed to form on described connecting wall, described annular wall is seized on both sides by the arms between installed surface and flank.

4. flash memory device as claimed in claim 3 is characterized in that: described holding parts also comprises the butting section that is positioned at the annular wall inboard, and described flank is installed between the butting section, and described limited block forms to the inboard projection of holding parts from the butting section.

5. flash memory device as claimed in claim 3 is characterized in that: described installed surface is provided with prominent point, and described connecting wall is provided with the recess with position rotating mechanism that cooperates with prominent point.

6. flash memory device as claimed in claim 1 is characterized in that: described housing comprises first inner housing and second inner housing that mutual button is held, and is respectively equipped with clamping part and teat that mutual button is held on described first inner housing and second inner housing.

7. flash memory device as claimed in claim 6, its feature with: described first inner housing and second inner housing are equipped with described holding parts and limited block, and described limited block offsets with the two ends of projection respectively.

8. flash memory device as claimed in claim 1 is characterized in that: described flash memory device also is provided with a push rod, and described push rod comprises the first that connects the storage module and is installed on the interior second portion of rotating mechanism.

9. flash memory device as claimed in claim 8 is characterized in that: be provided with helicla flute in the described rotating mechanism, the second portion of described push rod is provided with the slide block that slides along described helicla flute.

10. flash memory device as claimed in claim 1 is characterized in that: described storage module comprises slide body and is immobilizated in circuit board on the slide body that described plug-shaped is formed on the circuit board.

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