CN201499403U - Movable storage device and shell structure thereof - Google Patents

Abstract

The utility model relates to a movable storage device and a shell structure thereof, wherein the movable storage device comprises the shell structure and a circuit board mounted therein; the shell structure comprises an insulation body and a metal shell clad on the outer side of the insulation body; the insulation body is provided with a base, an extending part extending forward from the base, and an accommodation space for fixing the circuit board; the circuit board comprises a main body and a tongue plate extending from the front end of the main body, and a conductive part exposed out of the accommodation space is arranged on the tongue plate; the metal shell comprises a joint part clad at the periphery of the tongue plate and a main body part clad at the periphery of the main body; and the joint part is formed through integrally extending from the main body. Therefore, the size of the movable storage device is reduced.

Description

Mobile storage device and its shell structure

【Technical field】

The utility model relates to a mobile storage device outside a computer, in particular to a mobile storage device with a USB interface and its shell structure.

【Background technique】

USB mobile storage device is a new generation of computer external storage developed in recent years. Because its storage capacity is much larger than that of ordinary floppy disks, the data exchange speed is fast, there is no hard drive device, it can be hot-swapped, safe and reliable, and only needs to be used when using it. The data can be accessed by inserting the USB mobile storage device into the USB interface of a computer or other equipment, and it is small in size and easy to carry. Therefore, it is a trend to replace the traditional computer floppy disk with a USB mobile storage device.

The prior art related to the utility model can refer to the mobile storage device disclosed in the Chinese patent No. 2770276 announced in 2006, the Chinese patent No. 2624276Y announced in 2004, and the mobile storage device disclosed in the Chinese patent No. 2616942Y. Connected to the joint part of the docking connector and the receiving part connected to the joint part, the joint part is a USB joint, and the receiving part is composed of a circuit board connected to the USB joint and a shell covering the outside of the circuit board, while the existing The housing of the mobile storage device is generally formed by fastening the upper and lower plastic plates. Such arrangement makes it difficult to reduce the size of the mobile storage device, and the structure is complicated and the assembly is troublesome.

【Content of utility model】

The purpose of the utility model is to provide a mobile storage device with simple structure and compact appearance and its shell structure.

The purpose of this utility model is achieved through the following technical solutions: a mobile storage device, which includes an insulating body, a circuit board installed in the insulating body and a metal shell coated on the outside of the insulating body, the insulating body is provided with a base and an extension extending forward from the base, the base and the extension are co-depressed to form an accommodating space for fixing the front and rear ends of the circuit board, the circuit board includes a main body and a tongue extending from the front end of the main body The tongue plate is provided with a conductive part exposing the accommodation space, and the metal shell includes a joint part wrapped around the tongue plate to cover a main body part around the main body, and the joint The part is integrally extended from the main part.

The utility model can also adopt the following technical solutions: a shell structure of a mobile storage device for fixing a circuit board, the shell structure of the mobile storage device includes a metal shell covered by an insulating body on the outside of the insulating body, the insulating body The body is provided with a base and an extension extending forward from the base. The base and the extension are recessed together to form an accommodating space for fixing the circuit board. The metal shell includes a joint part wrapped around the extension to The main body part is wrapped around the base, and the joint part is integrally extended from the main part.

Compared with the prior art, the mobile storage device of the present invention and its shell structure have the following effects: the installation of the mobile storage device of the present invention only needs to embed the circuit board in the insulating body, and then insert the metal shell on the insulating body The outer side is enough, the metal shell forms the receiving part and the joint part for plugging into the mating connector, which is small in size, simple in structure and easy to assemble.

【Description of drawings】

Fig. 1 is a perspective view of the mobile storage device of the present invention.

FIG. 2 is another perspective view of FIG. 2 .

Fig. 3 is a partial three-dimensional assembled view of the housing of the mobile storage device of the present invention separated.

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

FIG. 5 is another perspective view of FIG. 4 .

【Detailed ways】

A preferred embodiment of the present utility model is a portable mobile storage device 100 with a USB interface and its shell structure.

Please refer to Figures 1 to 5, the mobile storage device 100 provided by the utility model includes a hollow box-shaped metal shell 1, an insulating body 2 set in the metal shell 1, and a device installed in the insulating body 2. The circuit board 4 of the memory IC.

2 to 4, the metal housing 1 includes a top wall 11, a bottom wall 12 opposite to the top wall 11, two side walls 13 connecting the top wall 11 and the bottom wall 12, and the top wall 11, The bottom wall 12 and the two side walls 13 jointly define a hollow portion 10 . The top wall 11 , the bottom wall 12 and the two side walls 13 together enclose a rectangular parallelepiped frame structure. The metal shell 1 includes a main body portion 101 located at the rear end for the user to grasp and a joint portion 102 integrally extending forward from the main body portion 101 for plugging into a mating connector (not shown). That is, the main body part 101 and the joint part 102 are directly extended and transitioned, and jointly form the rectangular parallelepiped frame structure. The top wall 11 is provided with two hollow square holes 112 arranged left and right on the joint part 102, and two square holes 112 located at the rear end of the two square holes 112 are arranged left and right and deviate downward from the top wall 11 to be hollow towards the metal shell 1. The protruding positioning piece 111 of the portion 10 , the rectangular notch 113 at the end of the top wall 11 , and the two bent arms 114 located in the notch 113 . The notch 113 runs through the top wall 11 backwards, and includes a front edge 1132 and side edges 1131 located on two sides of the front edge 1132 . The bent arm portion 114 is formed by bending and extending from the side edges 1131 on both sides into the notch 113 , and deviates downward from the top wall 11 to protrude toward the hollow portion 10 .

Please refer to FIG. 4 to FIG. 5 , the insulating body 1 is substantially elongated and includes a base portion 20 and an extension portion 24 protruding from the front end of the base portion 20 . The base 20 includes a flat rear end 21 arranged vertically, a flat second extension plate 22 extending horizontally forward from the rear end 21 and arranged one above the other, a first extension plate 23 and clamped on The first receiving cavity 252 between the first and second extension plates 23 , 22 . The mobile storage device 100 also includes an ear portion 211 protruding backward from the base portion 20 and a loop 212 mounted on the ear portion 211 , which is convenient for the user to carry and use. The second extension plate 22 is provided with an upper surface 221, a front end surface 222 connected to the upper surface 221, two left and right notches 2220 recessed inwardly from the connection between the front end surface 222 and the upper surface 221, and a gap 2220 arranged from the upper surface 221 to the rear. The connection of the end portion 21 is a downwardly recessed rectangular recess 2210 . The extension portion 24 is formed by further extending forward from the first extension plate 23 and exceeding the front end surface 222 of the second extension plate 22 . The front end of the extension part 24 is provided with a front extension wall 241 extending vertically, two side extension walls 242 connecting the two ends of the front extension wall 241, and a second accommodation cavity 251 surrounded by the front extension wall 241 and the side extension walls 242. . The second receiving chamber 251 communicates with the first receiving chamber 252 to jointly form a receiving space 25 for receiving the entire circuit board 3 . The left-right width and the front-to-back width of the second receiving cavity 251 are smaller than the first receiving cavity 252 .

Please refer to FIGS. 3 to 5 , the circuit board 3 is flat and roughly in the shape of a "convex" shape, that is, it includes a large main body 31 and a tongue 32 extending forward from the front of the main body 31 . The tongue plate 32 includes a plurality of metal conductive parts 321 extending in the front-back direction and arranged horizontally in the left-right direction.

Please refer to FIGS. 1 to 3, when assembled, the tongue 32 of the circuit board 3 is accommodated in the second receiving cavity 251, and the side of the tongue 32 having the conductive portion 321 exposes the second receiving cavity upwards. 251 is used for electrical connection with the docking connector. The second extension plate 22 can be elastically moved upward relative to the first extension plate 23 , so as to temporarily expand the volume of the accommodation space 10 to accommodate the main body portion 31 of the circuit board 3 into the first accommodation cavity 252 . Since the circuit board 3 has a "convex" shape and the left-right width and the front-to-rear width of the second receiving cavity 251 are smaller than the first receiving cavity 252, the two side extension walls 242 can prevent the abutting against the rear end 21 in the front-rear direction. The circuit board 3 slides forward, and the two side extension walls 242 can also prevent the circuit board 3 from sliding left and right, so that the circuit board 3 can be stably held in the insulating body 1 . The insulating body 1 installed with the circuit board 3 is plugged into the metal shell 1 from the back to the front, and the rear end of the metal shell 1 abuts against the edge of the rear end 21 of the base 20. The two positioning pieces 111 is snapped and held in the two notches 2220 of the second extension plate 22, so that the insulating body 1 can be prevented from protruding further out of the metal shell 1; the bending arm 114 is bent downwards and extends into the second extension The recess 2210 of the plate 22 can prevent the insulating body 1 from detaching from the metal shell 1 backward. In this way, the metal shell 1 , the insulating body 2 and the circuit board 3 can be stably installed together. The main body portion 101 of the metal shell 1, the base portion 20 of the insulating body 2 and the main body portion 31 of the circuit board 3 jointly form a housing portion (not labeled) of the mobile storage device 100; the joint portion 102 of the metal shell 1, The extension portion 24 of the insulating body 2 and the tongue plate 32 of the circuit board 3 jointly form a joint (not labeled) of the mobile storage device 100 .

Compared with the prior art, the mobile storage device 100 of the present invention integrates the joint and the storage part, and the metal joint part 102 outside the joint and the main part 101 outside the storage part are integrally made of the metal shell 1, and together form Rectangular frame shape, set up like this, as shown in Figure 1, the volume of described mobile storage device 10 and its housing structure is equivalent to the extended version of the joint of conventional mobile storage device, effectively reduced the size of this mobile storage device 100 size; and when the mobile storage device 100 is assembled, it is only necessary to lift the second extension plate 22 to insert the circuit board 3 into the accommodation space 25 of the insulating body 2, and then the metal shell 1 is sleeved on the outside of the insulating body 2 , positioned by the positioning piece 111 and the bent arm portion 114 . With such arrangement, the structure is simple, the assembly is convenient, and the cost is reduced.

It is true that the shape and material of the mobile storage device 100 of the present invention are not limited to the shape and material of this embodiment, and its shape can be other shapes besides the box shape. Other decorations can also be added, and these changes are all within the protection scope of the mobile storage device 100 and its shell structure of the present invention.

Claims (10)

1. A mobile storage device, comprising an insulating body, a circuit board installed in the insulating body, and a metal shell coated on the outside of the insulating body, characterized in that: the insulating body is provided with a base and extends forward from the base The extension part, the base part and the extension part are recessed together to form an accommodating space for fixing the front and rear ends of the circuit board. The circuit board includes a main body and a tongue plate extending from the front end of the main body. The tongue plate There is a conductive part exposing the accommodating space, and the metal shell includes a joint part wrapped around the tongue plate to cover a main body part around the main part, and the joint part is integrally extended from the main part made. 2. The mobile storage device according to claim 1, wherein the base is provided with a rear end, a first extension plate extending forward from the rear end, and an extension further extending forward from the first extension plate. The output part, the first storage cavity located on the side of the first extension plate, and the second storage cavity located on the side of the extension part, the first and second storage cavities jointly form the storage space, and the main body of the circuit board The tongue part is installed in the first storage cavity, the tongue plate is installed in the second storage cavity, and the left-right width of the second storage cavity is smaller than the left-right width of the first storage cavity. 3. The mobile storage device according to claim 2, characterized in that: the base is further provided with a second extension plate extending forward from the rear end and parallel to the first extension plate, and the extension portion is forward The second extension plate protrudes, and the first accommodation cavity is clamped between the first extension plate and the second extension plate. 4. The mobile storage device according to claim 3, wherein the metal shell is provided with a top wall attached to the second extension plate, and the front end of the second extension plate is provided with a downwardly recessed notch , the top wall is provided with a positioning piece that bends downwards and extends lower than the top wall, and the positioning piece is accommodated and resisted in the notch. 5. The mobile storage device according to claim 3, wherein the metal shell is provided with a top wall attached to the second extension board, and the rear end of the second extension board is provided with a downwardly recessed In the recess, the rear end of the top wall is provided with a bent arm portion that is bent and extended downwards and lower than the top wall, and the bent arm portion is accommodated and resisted in the recess. 6. The mobile storage device according to claim 1, wherein the metal casing includes a bottom wall opposite to the top wall, two side walls connecting the top wall and the bottom wall, and the joint part of the metal casing To become a rectangular parallelepiped frame together with the main body. 7. A housing structure of a mobile storage device for fixing a circuit board, characterized in that: the housing structure of the mobile storage device comprises a metal housing with an insulating body covering the outside of the insulating body, and the insulating body is provided with a base and an extension part extending forward from the base part, the base part and the extension part are recessed together to form an accommodating space for fixing the circuit board, and the metal shell includes a joint part wrapped around the extension part to cover the base part The surrounding main body part, the joint part is integrally extended from the main body part. 8. The casing structure of the mobile storage device according to claim 7, wherein the base is provided with a rear end, a first extension plate extending forward from the rear end, and a side of the first extension plate. The first storage cavity and the second storage cavity located on one side of the extension part, the first and second storage cavities jointly form the storage space, and the left-right width of the second storage cavity is smaller than the left-right width of the first storage cavity . 9. The case structure of the mobile storage device according to claim 8, wherein the base is further provided with a second extension plate extending forward from the rear end and parallel to the first extension plate, and the extension The second extension plate protrudes forward, and the first accommodation cavity is clamped between the first extension plate and the second extension plate. 10. The shell structure of the mobile storage device according to claim 9, wherein the metal shell is provided with a top wall attached to the second extension plate, and the front end of the second extension plate is provided with a downward depression The notch portion of the top wall is provided with a positioning piece bent downward and extending lower than the top wall, the positioning piece is accommodated and held against the notch portion, and the rear end of the second extension plate is provided with a downward depression The rear end of the top wall is provided with a bent arm portion bent downward and lower than the top wall, and the bent arm portion is accommodated and supported in the concave portion.

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