CN201160000Y - mobile storage device - Google Patents

Abstract

A mobile storage device, which includes a storage module and a housing covering the storage module, the housing is provided with an opening, the storage module is provided with a plug that can protrude out of the housing, the mobile The storage device is also provided with a rotating mechanism installed at one end of the casing and a push rod installed in the casing and the rotating mechanism to push the movement of the storage module. The slider slides along the driving groove, and the end of the driving groove is formed with a stopper that abuts against one end of the slider to limit the rotation of the push rod relative to the rotation mechanism, thereby preventing the rotation mechanism from idling relative to the push rod.

Description

mobile storage device

【Technical field】

The utility model relates to a mobile storage device, in particular to a mobile storage device with a plug that can be retracted in a casing.

【Background technique】

With the vigorous development of the electronic information industry in recent years, all files such as music, picture files, news and other information will be effectively provided for download and use. Therefore, the demand for storing high-capacity data and files using small and easy-to-use media is rapidly increasing . Portable electronic product devices are widely used in combination with personal computers or their peripheral devices (such as printers) because they are easy for users to carry around. The data exchange transmission medium between devices can meet the above requirements. A common mobile storage device is mainly to arrange a data storage circuit inside a casing, and the circuit is connected with a signal connector that can relatively protrude from the opening of the casing. The common standard specification of this connector is the universal serial bus (Universal Serial Bus, USB).

From the user's point of view, in order to prevent the plug from being damaged by pressure, the internal contacts from being soiled, and the dust cover from being lost inadvertently, the industry has developed a mobile storage device with a plug that can be retracted in the housing. A key is arranged on one side of the storage circuit, and a notch for moving the key is arranged on the housing so that the plug can be pushed out of the housing by pushing the key. In order to meet the various needs of users, there is also a rotating mechanism to push the plug out of the housing by rotating a certain angle. Generally speaking, such a rotating mechanism is usually provided with a driving groove, one end of a push rod is installed in the rotating mechanism, and the other end opposite to it is connected to the data storage circuit board, and the driving groove is provided on the pushing rod. The thread that slides in the middle pushes the push rod to move to push the plug out of the housing. However, if the drive groove passes through the rotary mechanism or communicates in the axial direction, then when the rotary mechanism rotates to impel the push rod to push the plug out of the housing, the rotary mechanism can continue to rotate or idle relative to the push rod, so that it will rotate Excessive or more turns, when the plug needs to be returned to the housing, more turns must be made, causing inconvenience to the user, and the mobile storage device is likely to be damaged after repeated turns and affect the use.

Therefore, it is necessary to transform this mobile storage device to overcome the above-mentioned defects.

【Content of utility model】

The purpose of the utility model is to provide a mobile storage device capable of preventing the idling of the rotating mechanism.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a mobile storage device, which includes a storage module and a casing covering the storage module, an opening is provided on the casing, and a There is a plug that can protrude out of the housing, and the mobile storage device is also provided with a rotating mechanism installed at one end of the housing and a push rod installed in the housing and the rotating mechanism to push the movement of the storage module. There is a driving groove, the push rod is provided with a slider that can slide along the driving groove, and the end of the driving groove is formed with a stopper that abuts against one end of the slider to limit the rotation of the push rod relative to the rotating mechanism .

Compared with the prior art, the utility model has the following beneficial effects: by setting a limit part at the end of the driving groove of the rotating mechanism that can be resisted by one end of the slider, when the rotating mechanism pushes the push rod to rotate in place, that is, the plug protrudes After protruding out of the housing, one end of the slider on the push rod can abut against the limit portion at the end of the drive groove along the axial direction of the push rod, so that the rotating mechanism will not continue to rotate, which is convenient for users to use.

【Description of drawings】

Fig. 1 is a three-dimensional assembled view of the mobile storage device of the present invention.

Fig. 2 is a partial exploded view of the mobile storage device of the present invention.

Fig. 3 is a partial exploded view of another angle of the mobile storage device of the present invention.

FIG. 4 is a three-dimensional exploded view of the storage module of the mobile storage device of the present invention.

FIG. 5 is an exploded perspective view from another angle of the storage module of the mobile storage device of the present invention.

Fig. 6 is a three-dimensional schematic diagram of the push rod and the gear of the mobile storage device of the present invention.

Fig. 7 is a front view of one body of the rotating mechanism in the mobile storage device of the present invention.

8 is a perspective view of one body of the rotating mechanism in the mobile storage device of the present invention.

FIG. 9 is a perspective view from another angle of one body of the rotating mechanism in the mobile storage device of the present invention.

Fig. 10 is a partial schematic view of the mobile storage device of the present invention, showing the state that the plug is hidden in the housing.

Fig. 11 is a partial schematic diagram of the mobile storage device of the present invention, showing the state that the plug protrudes out of the housing.

【Detailed ways】

1 to 11, the mobile storage device 8 of the present invention includes a storage module 2 and a casing 1 covering the storage module 2. A push rod 3 is installed on the storage module 2, and the push rod 3 is installed on the storage module 2. A gear 4 is installed on the rod 3 , and a rotating mechanism 5 is installed at one end of the housing 1 . The storage module 2 includes a sliding body 20 movable along the housing 1 and a circuit board 21 held in the sliding body 20 . The circuit board 21 is provided with a plug 22 protruding out of the housing 1 .

The casing 1 includes an inner casing covering the storage module 2 and an outer casing covering the periphery of the inner casing. The inner casing includes a first inner casing 10 and a second inner casing 11 that are engaged with each other. The second inner casing 11 is provided with two opposite second side walls 110 extending in the longitudinal direction, a second connecting wall 111 connected to the rotating mechanism 5 , and a second abutting wall 112 opposite to the second connecting wall 111 and the bottom wall 113 , the longitudinal direction of the housing 1 is a first direction A, and the lateral direction of the housing 1 perpendicular to the first direction A is a second direction B. The inner side of the second side wall 110 and the second connecting wall 111 protrude toward the inside of the housing 1 with a protruding portion 1100 for interlocking with the first inner housing 10 , and the outer side of the second side wall 110 is respectively recessed. There are several recessed parts 1101 for holding the outer shell; the second inner shell 11 is provided with holding parts for holding the rotating mechanism 5 . The retaining portion includes an annular wall 1110 recessed from the second connecting wall 111 and an abutting portion 1111 located inside the annular wall 1110. A pair of grooves 1112 are provided at the upper end of the second connecting wall 111 to align with the first inner wall 1110. The housing 10 fits together. A rectangular notch 1120 is formed on the second abutting wall 112 so that the plug 22 can protrude out of the housing 1 . When the plug 22 is hidden in the housing 1 , the end of the plug 22 overlaps the upper end of the notch 1120 .

The first inner casing 10 is provided with a pair of first side walls 100 docked with the second side wall 110, a first connecting wall 101 connected with the rotating mechanism 5, a first docking wall 102 opposite to the first connecting wall 101 and The top wall 103 opposite to the bottom wall 113 . The first side wall 100 and the first connecting wall 101 are respectively provided with a plurality of buckle parts 1000 which are buckled with the protruding parts 1100 on the second inner casing 11 , and the outside of the first side wall 100 A plurality of recessed portions 1001 are respectively recessed for fixing with the outer shell, and a first rack 1002 extending inward is provided on the inner side of one of the first side walls 100 for cooperating with the gear 4 . Corresponding to the second inner housing 11 , the first inner housing 10 is also provided with a holding portion for holding the rotating mechanism 5 . The retaining portion includes an annular wall 1110 recessed from the first connecting wall 101 and an abutting portion 1111 located inside the annular wall 1110 , and the annular walls on the first and second inner casings 10 and 11 1110 are combined to form a circular through hole for installing the rotating mechanism 5 . A pair of protrusions 1011 cooperating with the grooves 1112 on the second connecting wall 111 protrude from the upper end of the first connecting wall 101 . The first abutting wall 102 is also provided with a notch 1120 corresponding to the rectangular notch 1120 on the second abutting wall 112, and the rectangular notch 1120 on the first and second abutting walls 102, 112 forms a rectangular opening so that The plug 22 can protrude out of the housing 1 . A notch 114 is respectively formed on the first and second connecting walls 101 and 111 .

The outer casing includes a first outer casing 12 and a second outer casing 13 that are respectively attached to the first and second inner casings 10, 11, and the insides of the side walls of the first and second outer casings 12, 13 are respectively There are protrusions 120 that are engaged with the recesses 1001 on the first and second inner casings 10 and 11, so as to tightly hold the outer casing to the periphery of the inner casing.

The sliding body 20 is installed in the first inner casing 10 and the second inner casing 11 , and a memory chip (not shown) for storing external data may be disposed on the circuit board 21 . The sliding body 20 is rectangular and has a top wall 200 , two side walls 201 extending downward from the top wall 200 , and two end walls 202 connecting the two side walls 201 . The top wall 200 of the sliding body 20 is provided with a rectangular opening 2001 , and the side wall 201 is provided with a second rack 2011 opposite to the first rack 1002 on the first inner casing 10 . A receiving cavity 203 for receiving the circuit board 21 is formed by the combination of the top wall 200 , the two side walls 201 and the two end walls 202 . A sliding portion 2020 extends downward from the end wall 202 of the sliding body 20 away from the plug 22 , and the other end wall 202 and the end of the side wall 201 overlap the upper end of the notch 1120 , and the storage module 2 is pasted by the sliding portion 2020 Lean against the inner side of the bottom wall 113 of the second inner housing 11 and slide along the first direction A to be exposed or hidden in the housing 1 . A buckling portion 2010 extends downward from the two side walls 201 respectively. When the circuit board 21 is installed in the receiving chamber 203, the buckling portion 2010 is buckled on the bottom of the circuit board 21 to hold the circuit board 21. In the sliding body 20 , the sliding of the sliding body 20 can drive the circuit board 21 to move, thereby driving the plug 22 to protrude or hide in the housing 1 . A limiting block 2012 is respectively provided on the outside of the two side walls 201 to prevent the storage module 2 from shaking left and right in the casing 1 .

The two ends of the push rod 3 are installed in the housing 1 and the rotating mechanism 5 respectively, and the push rod 3 is provided with a flat first part 30 installed in the opening 2001 and a cylindrical part installed in the rotating mechanism 5. Part II 31. A pivot 300 protrudes from the end of the first part 30 away from the second part 31 , and the gear 4 is provided with a pivot hole 40 sleeved on the pivot 300 . Both sides of the gear 4 cooperate with the first rack 1002 on the first inner casing 10 and the second rack 2011 on the sliding body 20 respectively. The first part 30 is provided with a connecting part 301 connecting the second part 31. The connecting part 301 extends downward from the end of the flat first part 30 close to the second part 31. The plug 22 is hidden in the shell. When inside the body 1 , the connecting portion 301 abuts against one end of the sliding body 20 . A pair of sliding blocks 310 are symmetrically disposed on the end of the second part 31 away from the first part 30 , and the sliding blocks 310 are provided with two opposing abutting walls 3100 . Assuming that the axis of the cylindrical second portion 31 is X, the rotating mechanism 5 can rotate around the axis X to push the push rod 3 to move forward.

The rotating mechanism 5 is fixed in the holding part, and the rotating mechanism 5 is formed by interlocking two identical bodies 50 , and the two bodies 50 are provided with butt joint surfaces 500 , on which the body 50 Interlocking hooks 5010 or locking grooves 5011 are provided to tightly lock the two bodies 50 together. The body 50 includes a driving part 501 for driving the push rod 3 to move, and a mounting part 502 fixed in the holding part on the casing 1, and the mounting part 502 is designed in a semi-circular shape.

Between the driving part 501 and the mounting part 502, there is an assembly groove 503 extending along the first direction A for installing the second part 31 of the push rod 3, and the assembly groove 503 corresponds to the second part 31 of the push rod 3 The structure is set in an arc shape. The fitting groove 503 on the driving part 501 is recessed with a driving groove 504 for driving the sliding block 310 to slide, that is, the driving groove 504 does not penetrate through the body 50 along the first direction A. The driving groove 504 is provided with opposite side walls 5040, and the projections of the two side walls 5040 along the thickness direction of the body 50 do not fall into the driving groove 504, which is designed in this way to facilitate the molding process of the body 50 (not shown). As shown in the figure) it is convenient to draw out along the thickness direction of the main body 50 without damaging the two side walls 5040 of the drive slot 504 , improving the yield of the main body 50 . After the two bodies 50 are fastened together, the driving grooves 504 in the two bodies 50 combine to form a helical groove (not labeled) for driving the slider 310 to rotate and move relative to the rotating mechanism 5 . During the rotation of the rotating mechanism 5 to push the push rod 3 to move, the slider 310 has at least two opposing abutting walls 3100 abutting against the two opposing side walls 5040 of the driving groove 504, so that the driving groove 504 Still can drive push rod 3 to move back and forth.

The two sidewalls 5040 of the drive slot 504 close to the housing 1 form two opposing stop surfaces 5041 respectively abutting against two ends of the slider 310 along the first direction A. As shown in FIG. The stop surface 5041 communicates with the docking surface 500, and the two stop surfaces 5041 are parallel to each other and perpendicular to the forward and backward movement direction of the push rod 3, so that after the plug 22 protrudes out of the housing 1, the slider The two ends of the slider 310 along the first direction A are against the stop surface 5041, and the plug 22 is pressed without causing the slider 310 to shake back and forth to affect the connection with the docking device (not shown), and the plug 22 will not Return to housing 1. A limiting portion 5001 is recessed from the mating surface 500 of the main body 50 opposite to the end of the drive slot 504 on the main body 50 , and can abut against one end of the slider 310 along the axial direction. The limiting portion 5001 communicates with the drive groove 504 on the other body 50 close to the end of the housing 1 , that is, the limiting portion 5001 is the driving groove located on the other body 50 after the two bodies 50 are fastened together. 504 , the limiting portion 5001 is perpendicular to the axial direction in which the slider 310 rotates. After the push rod 3 moves into place and the plug 22 protrudes out of the housing 1, one end of the slider 310 along the axial direction of the push rod 3 is abutted against the limit part 5001, and the push rod 3 will not continue to move along the Its axial idling. The body 50 is provided with a mounting surface 505 that is docked with the connecting walls 101, 111 on the housing 1, and the mounting surface 505 is provided with protrusions that cooperate with the notches 114 on the connecting walls 101, 111 5050, so that when the rotary mechanism 5 is rotated to make the push rod 3 push the plug 22 out of the housing 1, the slider 310 is opposed to the stop surface 5041, and the protruding point 5050 is accommodated in the notch 114, and the insertion of the plug 22 The plug 22 will not be pressed back into the housing 1 .

The installation part 502 is installed in the holding part on the housing 1, and a rib 5020 protrudes outward from the end of the installation part 502 close to the housing 1 along its circumferential direction, and the annular wall 1110 is pinched and fixed on the Between the rib 5020 on the installation part 502 and the installation surface 505, the rib 5020 is buckled on the inside of the first and second connecting walls 101, 111 and located between the abutting parts 1111, so that The rotating mechanism 5 is installed on the housing 1 . The mating surfaces 500 of the mounting parts 502 of the two bodies 50 are respectively provided with mutually matching grooves 5002 and protrusions 5003. When the two bodies 50 are fastened together, the mounting parts 502 form a complete circular ring and are installed on the housing. 1 to facilitate rotation of the rotating mechanism 5 around the axis X. In addition, a mounting groove 506 is respectively provided on both sides of the body 50, and a pair of accessories 6 are respectively held in the mounting groove 506. Two ends of a lanyard (not shown) can be respectively fixed on the accessories 6 to facilitate the user to carry. A stopper 5060 protrudes inward from the inner wall of the installation groove 506 to prevent the accessory 6 from sliding out along the first direction A. As shown in FIG. The structures of the two bodies 50 of the rotating mechanism 5 in the mobile storage device 8 of the present invention are exactly the same to facilitate mold opening and manufacturing. Of course, two other different structures can also be manufactured in practice.

When assembling, first install the push rod 3 in one of the bodies 50 of the rotating mechanism 5 and buckle the other body 50 thereon, the slider 310 on the push rod 3 is located in the drive groove 504, and simultaneously place the The accessories 6 are respectively installed on both sides of the body 50; secondly, the gear 4 is sleeved on the pivot 300 of the first part 30 of the push rod 3 and installed in the first inner casing 10, at this time, the gear 4 One side is engaged with the first rack 1002 on the first inner casing 10; again, the storage module 2 is installed in the first inner casing 10, and the first part 30 of the push rod 3 is located in the storage module 2, the other side of the gear 4 is engaged with the second rack 2011 on the storage module 2; at this time, the second inner casing 11 is buckled on the first inner casing 10; finally, the The first and second outer casings 12 and 13 are respectively buckled and abutted against the periphery of the first and second inner casings 10 and 11 , thus combining the mobile storage device 8 of the utility model.

As shown in Fig. 1, Fig. 10 and Fig. 11, the mobile storage device 8 push rod 3 of the utility model pushes the motion state diagram of the plug 22 hidden in or protruding from the housing 1. When the plug 22 is hidden in the housing 1, the The slider 310 on the push rod 3 is located at one end of the spiral groove (not labeled) away from the housing 1. At this time, one side of the gear 4 is away from the first rack 1002 on the first inner housing 10. One end of the plug 22 is engaged, and the other side of the gear 4 is engaged with the end of the second rack 2011 on the storage module 2 close to the plug 22 .

Because the rotation mechanism 5 in the mobile storage device 8 of the present invention is fixed in the casing 1, and the rotation mechanism 5 cannot move along the first direction A of the casing 1 relative to the casing 1, the rotation around the axis X mechanism 5, the slider 310 on the push rod 3 moves forward relative to the housing 1 along the first direction A along the helical groove (unlabeled) in the rotation mechanism 5, and at the same time, the push rod 3 drives the gear 4 Turn forward. Since the housing 1 is stationary relative to the rotating mechanism 5 along the first direction A, the first rack 1002 is stationary relative to the rotating mechanism 5 along the first direction A; the storage module 2 is located in the housing 1 inside but not fixed with the housing 1, that is, the storage module 2 can move along the first direction A relative to the housing 1, and the other side of the gear 4 is connected to the second rack 2011 on the storage module 2 The gear 4 is engaged with the first rack 1002 on one side to be stationary, while the second rack 2011 engaged with the other side will generate transmission according to the movement of the gear 4, and the push rod 3 will drive When the gear 4 moves forward, the gear 4 can rotate forward along the first rack 1002. At the same time, the rotation of the gear 4 will drive the second rack 2011 to drive forward, and the storage module 2 will move forward to drive the plug 22 moves forward relative to the housing 1 . When the rotating mechanism 5 rotates 180 degrees clockwise around the axis X, the plug 22 can completely protrude out of the casing 1, and the two ends of the slider 310 along the first direction A are respectively held against the end of the spiral groove. on the stop surface 5041 to prevent the slider 310 from moving forward or backward.

Because the first rack 1002 is stationary and one side of the gear 4 rotates along the first rack 1002 , the first rack 1002 can be used as the center of motion for the gear 4 to move forward. Assuming that the moving direction of the push rod 3 passes through a point on the gear 4 , then this point is the same as the moving speed and the moving distance of the push rod 3 along the first direction A. Assuming that the distance between this point and the first rack 1002 along the second direction B is r, that is, the distance between this point and the center of the motion axis is r, and the other side of the gear 4 matched with the second rack 2011 is connected to the motion axis. The distance between the axes is n times the distance r, and the velocity of this point on the gear 4 is v, and the movement time is t. According to the linear velocity formula of an object in circular motion: v=2πr/t, then it can be Draw the speed of motion on the other side of the gear 4 that is matched with the second tooth bar 2011 to be n times of the speed of motion at this point; Draw the stroke that the other side of the gear 4 drives the second rack 2011 to move, be n times of the moving stroke of the point along the first direction A, that is, n times of the moving distance of the push rod 3 along the first direction A; thus making the storage The moving distance of the module 2 along the first direction A is effectively enlarged, thereby reducing the force for pushing the push rod 3 to move.

The direction of motion of the push rod 3 in the mobile storage device 8 of the present utility model is to pass through the center of the gear 4, that is, the point is the center G of the gear 4, if the distance between the center G of the gear 4 and the center of motion is R, then the gear 4 The speed v=2πR/t of moving forward at the center of the circle G; and the distance between the other side of the gear 4 and the center of the movement axis is 2R, then the linear velocity of the other side of the gear 4 moving forward is the movement at the center G of the gear 4 2 times of the speed, and the speed at which the other side of the gear 4 drives the second rack 2011 to move forward is also 2 times of the moving speed at the center G of the circle. In the mobile storage device 8 of the present utility model, the rotation mechanism 5 is rotated clockwise 180 degrees around the axis X, and the push rod 3 can move along the first direction with a stroke of S, so that the gear 4 cooperates with the second rack 2011. One side drives the second rack 2011 to move forward with a stroke of 2S, so that the motion stroke of the storage module 2 is effectively enlarged. At this time, the plug 22 can be completely protruded out of the housing 1 to facilitate the connection with the docking connector (not shown in the figure). shown) to plug in. That is, as long as a small force is applied to push the push rod 3 forward, the storage module 2 can be moved a relatively large distance, thereby driving the plug 22 to protrude out of the housing 1 .

In addition, when the rotating mechanism 5 is rotated 180 degrees around the axis X, the push rod 3 moves along the spiral groove (not shown) in the opposite direction to the first direction A, thereby driving the storage module 2 back to the housing 1, at this time, the plug 22 is hidden in the casing 1 to provide good dustproof protection.

Admittedly, the push rod 3 on the mobile storage device 8 of the present utility model can also be formed by extending from one end of the rotating mechanism 5, and is designed in a bolt shape, and the through hole on the housing 1 can be formed into a screw hole, then the The push rod 3 can rotate around the axis X in the screw hole and move forward to push the storage module 2 to move relative to the housing 1, that is, to drive the plug 22 to protrude or hide in the housing 1 to provide good dustproof protection .

From this it can be concluded that:

First, the mobile storage device 8 of the present utility model can push the push rod 3 and drive the storage module 2 and the plug 22 at the same time by rotating the rotating mechanism 5 around the axis X to a certain angle, which is 180 degrees in the preferred embodiment of the present utility model. It protrudes or is hidden in the casing 1, so that people can push out the plug 22 when using this kind of mobile storage device 8, and connect it with the docking electrical appliance; while it can be retracted into the casing 1 when not in use, and The user can conveniently control the rotation angle and the use force, so that the plug 22 can be provided with good dust-proof protection without using any additional dust-proof accessories, and it is convenient to carry;

Second, the first rack 1002 on the first inner housing 10 is relatively stationary, while the second rack 2011 on the storage module 2 can move relatively, so that the push rod 3, the gear 4 and the The combination of the first rack 1002 in the first inner housing 10 and the second rack 2011 on the storage module 2 that cooperates with both sides of the gear 4 forms a stroke amplification mechanism, and only a small force is required to push the pusher. The rod 3 has a small distance, so that the gear 4 can drive the storage module 2 to move a relatively large distance through the transmission of the second rack 2011, and then the plug 22 can move a relatively large distance to be exposed or hidden in the housing 1;

Third, by setting two stop surfaces 5041 perpendicular to the first direction A and parallel to each other at the end of the drive groove 504 close to the housing 1, the two ends of the slider 310 along the first direction A can be respectively connected to The two stop surfaces 5041 are opposed to each other, so as to limit the forward or backward movement of the slider 310, and then after the plug 22 protrudes out of the housing 1, the plug 22 is pressed without causing the slider 310 to shake back and forth and affect the docking For the connection between electrical appliances, the plug 22 will not return to the housing 1;

Fourth, set a stopper 5001 at the end of the driving slot 504 of the rotating mechanism 5 that can be opposed to the front end of the slider 310. When the rotating mechanism 5 pushes the push rod 3 to rotate to the right position, that is, after the plug 22 protrudes out of the housing 1, One end of the slider 310 on the push rod 3 can be supported against the limit portion 5001 at the end of the driving groove 504 along the axial direction of the push rod 3, so that the rotating mechanism 5 will not continue to rotate, which is convenient for the user;

Fifth, the projection of the opposite side walls of the driving groove 504 in the rotating mechanism 5 along the thickness direction of the main body 50 does not fall into the driving groove 504, which is designed so that the mold (not shown) It is convenient to pull out along the thickness direction of the main body 50 without damaging the side walls 5040 of the driving groove 504, thereby improving the yield of the main body 50. In addition, the slider 310 on the push rod 3 is set to have at least two opposite abutting walls 3100 that can be connected with the driving A pair of opposite side walls 5040 of the slot 504 are in contact, and the driving slot 504 can still drive the push rod 3 to move forward and backward.

Claims (10)

1. A mobile storage device, comprising a storage module and a housing covering the storage module, the housing is provided with an opening, and the storage module is provided with a plug that can protrude from the housing, its It is characterized in that: the mobile storage device is also provided with a rotating mechanism installed at one end of the housing and a push rod installed in the housing and the rotating mechanism to push the movement of the storage module, the rotating mechanism is provided with a driving groove, and the The push rod is provided with a slide block that can slide along the drive groove, and the end of the drive groove is formed with a stopper that abuts against one end of the slide block to limit the rotation of the push rod relative to the rotation mechanism. 2. The mobile storage device according to claim 1, wherein the rotating mechanism is formed by buckling two identical bodies, each body is provided with a driving slot, and the bodies are provided with butt joints. butt face. 3 . The mobile storage device according to claim 2 , wherein the limiting portion is recessed from the mating surface, and the limiting portion communicates with a driving slot on the other body. 4 . 4 . The mobile storage device according to claim 2 , wherein the two bodies are respectively provided with a hook and a locking groove for interlocking each other. 5 . 5 . The mobile storage device according to claim 2 , wherein an assembly groove for installing the push rod is provided in the body, and the drive groove is formed by recessing the assembly groove. 5 . 6 . The mobile storage device as claimed in claim 5 , wherein the push rod comprises a first part connected to the storage module and a second part installed in the assembly groove. 7 . 7. The mobile storage device according to claim 6, wherein there are two sliders and they are arranged symmetrically on the second part of the push rod. 8 . The mobile storage device according to claim 1 , wherein a holding portion is provided at one end of the housing, and a mounting portion fixed to the holding portion is provided on the rotating mechanism. 9. The mobile storage device according to claim 1, characterized in that: the rotating mechanism is provided with a mounting surface docked with the housing, and the mounting surface is provided with a protrusion that can be buckled with the housing to prevent the rotating mechanism from rotating. The protruding point, the housing is provided with a notch matching with the protruding point. 10. The mobile storage device according to claim 1, wherein the storage module comprises a sliding body and a circuit board fixed on the sliding body, and the plug is formed on the circuit board.

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