CN1319427C - Low thickness memory device with USB interface connecting unit - Google Patents

Abstract

A low-thickness storage device with a USB interface connection part, the device includes a printed circuit board and a housing, one end of the printed circuit board is integrally provided with a USB interface connection board, the printed circuit board is embedded in the housing, and connected with One side of the component is inwardly attached to the inner wall of the housing, and the other side is an exposed surface, and a protective layer is provided on the exposed surface; the USB interface connection plate is protruded outside the housing, and protective frames are provided on both sides to The USB interface connection plate is interposed therein to form a USB interface connection part, and the size of the USB interface connection part is the same as the size of the inner space of the USB wire slot. The invention has the advantages of small and exquisite appearance, simple and compact structure, strong practicability and low manufacturing cost.

Description

Low-profile storage device with USB interface connection

technical field

The invention relates to a storage device with a USB interface connection part, in particular to a low-thickness storage device with a USB interface connection part.

Background technique

With the development of electronic technology, there are more and more types of storage devices, and the storage capacity is also increasing. The data stored in the storage device usually needs to be further processed after data conversion and transmission between the computer and the computer. The most commonly used data conversion and transmission method between the storage device and the computer is realized by plugging between the USB interface and the slot. The data can be transferred by directly inserting the USB interface on the storage device into the USB slot of the host computer.

However, the existing storage device utilizing the USB interface and the slot to convert and transmit data with the computer has a large capacity, but the volume is not small enough. How to reduce the size of the USB data storage device to make it more convenient and light, reduce the manufacturing cost and ensure the safety of use under the premise of ensuring the use function is an urgent problem to be solved.

Contents of the invention

The technical problem to be solved by the present invention is to provide a low-thickness storage device with a USB interface connection part, which is small and light in appearance, simple and compact in structure, strong in practicability, and low in manufacturing cost.

The technical problem to be solved by the present invention is achieved through the following technical solutions:

A low-thickness storage device with a USB interface connection portion, the device includes a printed circuit board and a housing, one end of the printed circuit board is integrally provided with a USB interface connection plate and its width is smaller than the width of the printed circuit board, The board is in the shape of "convex" as a whole;

The USB interface connection board is provided with a metal terminal group, the metal terminal group is composed of more than one metal sheet for connecting with the electronic signal inside the USB slot, and the metal sheet is connected with the printed circuit board to form a circuit loop ;

The printed circuit board is embedded inside the casing, and one side of the printed circuit board connected with the components faces inward and fits the inner wall of the casing, and the other side is an exposed surface; a protective layer is provided on the exposed surface;

The USB interface connection plate is protruded outside the housing, and its two sides are provided with protective frames to clamp the USB interface connection plate therein to form a USB interface connection part, so that the metal terminal group on the USB interface connection plate is exposed. The protective frame connected by plugging is the upper protective frame, and the lower protective seat is buckled with it, and the lower protective seat is integrated with the housing;

The size of the USB interface connection part is the same as the size of the inner space of the USB wire slot.

In order to make the connection between the USB interface of the storage device and the USB slot stable, the setting range of the metal sheet is from the end of the USB interface connection board to the junction of the USB interface connection board and the printed circuit board, and the length of the metal sheet is greater than or equal to that of the USB socket. The length of the electrical connection contact in the slot.

The printed circuit board as the exposed surface is provided with a protective layer to prevent the printed circuit board from being damaged due to long-term exposed use.

In order to better protect the printed circuit board, the overall external shape and size of the upper protective frame and the integrated lower protective seat and the housing are the same, and are interlocked with it. The position corresponding to the metal terminal group on the USB interface connection board as the frame, while the corresponding position of the printed circuit board is completely covered.

In order to enable the USB interface connection part to be stably connected after being inserted into the USB slot, convex strips are provided on both sides of the end of the upper protection frame along the upper surface of the frame body. The length of the raised strip is less than the length of the USB interface connection part protruding from the housing. When the USB interface connection part is inserted into the USB slot, the end of the raised strip will be clamped with the clamping shrapnel provided on the two side walls of the USB slot. The points are in conflict to ensure a stable connection.

In order to effectively protect the USB interface and enhance its use safety, a protective cap is also provided outside the USB interface connection part, which is sheathed on the USB interface connection part.

The protective cap is a pull-out block, which is composed of support bars on both sides and a bottom plate, and its cross-sectional shape is "concave". One end of the pull-out block is provided with a baffle, and the other end is an open end;

There are two guide grooves on the bottom plate close to the support bar. The convex strip on the USB interface connection part is embedded in the guide groove and slides along the guide groove. The end of the USB interface connection part touches the bottom plate of the pull block Finally, the protective cap is completely set on the USB interface connection part.

In summary, the low-thickness storage device with USB interface connection device provided by the present invention has a small and light appearance, simple and compact structure, and low manufacturing cost; The storage device has strong security performance.

Description of drawings

Fig. 1 is the exploded schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the overall structure of the present invention without a protective cap;

Fig. 3 is an exploded schematic view of the present invention with a protective cap;

Fig. 4 is a schematic diagram of the front overall structure with a protective cap of the present invention;

Fig. 5 is a schematic diagram of the structural relationship between the positioning convex tooth and the positioning groove of the present invention;

Fig. 6 is a schematic diagram of the overall structure of the back of the present invention with a protective cap.

Detailed ways

The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one:

As shown in Fig. 1, it is an exploded schematic view of the present invention. As can be seen from the figure, the present invention includes a printed circuit board 1 and a housing 2, and one end of the printed circuit board 1 is integrally provided with a USB interface connection board 11, the width of the connection board 11 is smaller than that of the printed circuit board 1, and the board as a whole has a "Convex" font;

The metal terminal group is provided on the USB interface connection board 11, and the metal terminal group is composed of more than one metal sheet for connecting with the electronic signal inside the USB slot, and the metal sheet is connected with the printed circuit board 1 to form a circuit loop.

In order to make the USB interface of the storage device connect stably with the USB slot, the setting range of the metal sheet is from the end of the USB interface connection plate 11 until the junction of the USB interface connection plate 11 and the printed circuit board 1, and the length of the metal sheet is greater than Equal to the length of the electrical connection contact in the USB socket. With this design, after the USB interface is inserted into the USB slot, the metal sheet is completely and fully in contact with the electrical connection contact piece in the USB slot.

The USB interface connecting plate 11 is protrudingly arranged outside the casing 2 , and protective frames are provided on both sides thereof to clamp the USB interface connecting plate 11 therein to form a USB interface connecting portion. The protective frame includes an upper protective frame 3 and a lower protective seat 21. In order to expose the metal terminal group on the USB interface connection plate 11 for easy plug-in connection, the middle part of the upper protective frame 3 is hollowed out, and the hollowed out position is just in line with the metal terminal. corresponding to the group. The upper protection frame 3 and the lower protection seat 21 are buckled together, and the USB interface connection board is sandwiched between them.

For the convenience of processing, the lower protection seat 21 and the housing 2 are integrally arranged. Simultaneously, in order to better protect the printed circuit board 1, the upper protective frame 3 has the same overall external shape and size as the integrated lower protective seat 21 and the housing 2, and is interlocked with it. The metal terminals on the USB interface connection plate 11 The position corresponding to the group is the frame, and the part corresponding to the printed circuit board 1 is the upper cover 4 to completely cover it.

The USB interface connecting plate 11 is clamped at the center of the lower protection seat 21 and the upper protection frame 3 which are fastened together to form a USB interface connection part 300, and the size of the USB interface connection part 300 is exactly the same as the size of the internal space of the USB wire slot. match. Its structure is shown in Figure 2.

As shown in Fig. 1 and Fig. 2, the assembly process of the storage device of the present invention is as follows:

First: insert the USB interface connection board 11 at the end of the printed circuit board 1 along the boundary line between the upper protective frame 3 and the upper cover 4, and turn the board body over with the boundary line as the axis, so that the board body end of the USB interface connection board 11 Just stuck on the end horizontal frame of the upper protective frame 3 along the inner side of the frame body, below the baffle piece 31 protruding toward the housing direction, so that the board body can be positioned in the protective frame 3 . In order to enable the USB interface connection board 11 to be inserted smoothly, guide vertical slots 32 are provided on the inner sides of the two shoulders where the upper protection frame 3 and the upper cover 4 are connected.

Next: buckle the lower protective seat 21 and the housing 2 which are set integrally on the upper protective frame 3 on which the printed circuit board 1 has been installed, and stick it with glue to form the storage as shown in Figure 2 .

In order to facilitate the positioning of the printed circuit board 1, as shown in Figure 1, a positioning column 22 is provided on the inner wall of the housing 2, and a positioning hole 12 is correspondingly opened on the printed circuit board 1, and the lower protective seat 21 and the housing 2 are integrally arranged. When fastened on the upper protection frame 3, the positioning column 22 is embedded in the positioning hole 12, and the printed circuit board 1 is not easy to be dislocated and deformed.

In order to make the USB interface connection part inserted into the USB slot, it can be stably connected, and the two sides of the end of the upper protective frame 3 are provided with a raised strip 33 along the upper surface of the frame body, whose length is less than that of the USB interface connection part. The length of the housing is such that when the USB interface connection part is inserted into the USB slot, the ends of the convex strips 33 are just in contact with the clamping points of the clamping shrapnel provided on the two side walls of the USB slot, so that the two are stably connected.

As shown in FIG. 3 , it is an exploded schematic view of the present invention with a protective cap. It can be seen from the figure that in order to effectively protect the USB interface, a protective cap 5 is provided, and the protective cap 5 is sheathed on the USB interface connection part 300 . The protective cap 5 is a pull block, which is composed of support bars 51 on both sides and a bottom plate 52. Its cross-sectional shape is "concave". One end of the pull block is provided with a baffle plate 53, and the other end is an open end.

As shown in FIG. 4 , it is a schematic diagram of the overall structure of the present invention with a protective cap. Referring to FIG. 4 and combined with FIG. 3 , two guide grooves 54 are provided on the bottom plate 52 of the protective cap 5 close to the support bar 51 , and the convex strip 33 on the USB interface connection part 300 is embedded in the guide grooves 54 . When the protective cap 5 is set on the USB interface connection part 300, the convex strip 33 slides along the guide groove 54, and after the end of the USB interface connection part touches the baffle plate 53 of the protective cap 5, the protective cap 5 is completely set. On the USB interface connection part 300 .

As shown in FIG. 5 , it is a schematic diagram of the structural relationship between the positioning protruding tooth and the positioning groove in the present invention. As can be seen from the figure, on the opposite sides of the support bar 51 on the protective cap 5, a positioning protruding tooth 52 is provided inwardly, and a positioning groove 34 is provided at a corresponding position of the lower protection seat 3, and the positioning protruding tooth 52 and the positioning groove The location and shape of 34 correspond to each other, and the positioning protruding tooth 52 is embedded in the positioning groove 34, so that the protective cap 5 is stably positioned on the USB interface connection part 300, and its structural relationship is shown in FIG. 6 .

As shown in Figure 5, the positioning convex tooth 52 is a trapezoidal tooth, and the two bottom angles are different in size. Along the sliding direction of the protective cap 5, the bottom angle of the side that first contacts the positioning groove 34 is larger than the other bottom angle, so as to facilitate protection. Slide-in and positioning of cap 5.

In addition, when the storage is inserted into the USB slot of the computer for data transmission, in order to facilitate the operator to observe, a read-write display light is provided on the printed circuit board 11, and the setting position of the display light is as shown in Figure 1. There are 13 openings. A transparent display window (not shown in the figure) is provided at the corresponding positions where the reading and writing display lamps are provided on the upper cover 4 and the printed circuit board 1 .

In order to be more beautiful and practical, the casing 2 and the upper cover 4 are made of transparent materials.

As shown in FIG. 6 and in conjunction with FIG. 1 , a portable through hole 6 is opened at a corner of the reservoir.

The outer surface of the casing 2 or the upper cover 4 is respectively or simultaneously provided with an anti-slip pattern 23, and the anti-slip pattern is composed of protrusions or pits arranged on the outer surface.

In addition, a guide groove 35 is provided on the outer surface of the lower protection seat, and its setting position corresponds to the setting position of the clamping shrapnel on the lower surface of the USB slot.

Embodiment two:

In order to save materials, reduce costs, and make the storage more compact and portable, the upper and lower shells in Embodiment 1 may not be used, with a circuit board interposed therebetween. Only the two-layer structure of the circuit board and the housing is provided, and the circuit board is directly embedded in the housing, and the side of the circuit board connected with the components is inwardly attached to the inner wall of the housing, and the other side is the exposed surface. With the above storage structure, a protective layer needs to be provided on the circuit board as the exposed surface to prevent the circuit board from being damaged due to long-term exposed use.

The specific technical solution includes a printed circuit board and a housing. One end of the printed circuit board is integrally provided with a USB interface connection board and its width is smaller than that of the printed circuit board. The board as a whole is in a "convex" shape; Metal terminal group, the metal terminal group is composed of more than one metal sheet used to connect with the electronic signal inside the USB slot, the metal sheet is connected with the printed circuit board to form a circuit loop; the printed circuit board is embedded inside the housing , the side of the printed circuit board connected with the components faces inward and fits the inner wall of the housing, and the other side is exposed; the USB interface connection board is protruded outside the housing, and there are protective frames on both sides to connect the USB interface connection board It is sandwiched in it to form the USB interface connection part, so that the metal terminal group on the USB interface connection board is exposed to facilitate the plug-in connection. The protection frame is the upper protection frame, and the lower protection seat is buckled with it. One-piece arrangement; the size of the USB interface connection part is the same as the size of the inner space of the USB wire slot.

As the exposed surface of the printed circuit board, a protective layer is provided to prevent damage caused by long-term exposure.

After adopting the structure described in this embodiment, due to the need to ensure that the USB interface connection part matches the internal space size of the standard USB slot, the USB structure at the USB interface needs to be adjusted and localized according to actual use requirements. Structural changes, and the adjustments and changes of such local structures cannot be exhaustively listed here. The local structural differences, and the final substantive technical solution to realize the two-layer structure of the circuit board and the housing, should all belong to this The scope covered by the technical solution of the invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention without limitation, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be Modifications or equivalent replacements without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (19)

1. A low-thickness storage device with a USB interface connection portion, which includes a printed circuit board and a housing, characterized in that: one end of the printed circuit board is integrally provided with a USB interface connection plate and its width is less than The width of the printed circuit board, the whole board is in the shape of "convex"; The USB interface connection board is provided with a metal terminal group, the metal terminal group is composed of more than one metal sheet for connecting with the electronic signal inside the USB slot, and the metal sheet is connected with the printed circuit board to form a circuit loop ; The printed circuit board is embedded inside the casing, and one side of the printed circuit board connected with components faces inward and fits the inner wall of the casing, and the other side is an exposed surface; a protective layer is provided on the exposed surface; The USB interface connection plate is protruded outside the housing, and its two sides are provided with protective frames to clamp the USB interface connection plate therein to form a USB interface connection part, so that the metal terminal group on the USB interface connection plate is exposed. The protective frame connected by plugging is the upper protective frame, and the lower protective seat is buckled with it, and the lower protective seat is integrated with the housing; The size of the USB interface connection part is the same as the size of the inner space of the USB wire slot. 2. The low-thickness storage device with a USB interface connection part according to claim 1, characterized in that: said metal sheet is arranged from the end of the USB interface connection plate to the USB interface connection plate and the printed circuit board The junction, and the length of the metal sheet is greater than or equal to the length of the electrical connection contact in the USB slot. 3. The low-thickness storage device with a USB interface connection according to claim 1, characterized in that: the upper protective frame is the same as the overall external shape and size of the lower protective seat and the housing integrally arranged, and is connected with it Interlock design, the position corresponding to the metal terminal group on the USB interface connection board is the frame, and the position corresponding to the printed circuit board is the upper cover. 4. The low-thickness storage device with a USB interface connection part according to claim 1 or 3, characterized in that: said upper protective frame is provided with holes on the inner side of the two shoulders where the USB interface connection part connects with the casing. The guide vertical slot where the USB interface connection board is inserted. 5. The low-thickness storage device with a USB interface connection according to claim 1 or 3, characterized in that: a horizontal frame at the end of the upper protection frame protrudes along the inner side of the frame and toward the casing. Block to facilitate the positioning of the board within the protective frame. 6. The low-thickness storage device with a USB interface connection part according to claim 1, characterized in that: the two sides of the end of the upper protection frame are along the upper surface of the frame body, and there are convenient USB interface connection parts The length of the convex strip stably connected after being inserted into the USB slot is shorter than the length of the USB interface connection part protruding from the casing. 7. The low-thickness storage device with a USB interface connection part according to claim 6, characterized in that: after the USB interface connection part is inserted into the USB slot, the end of the protruding strip is connected to the USB slot. The clamping points of the clamping shrapnel arranged on the side wall are pressed against each other. 8. The low-thickness storage device with a USB interface connection part according to claim 1, 6 or 7, characterized in that a protective cap is provided outside the USB interface connection part, and is sheathed on the USB interface connection part superior. 9. The low-thickness storage device with a USB interface connection according to claim 8, characterized in that: the protective cap is a pull-out block, which is composed of support bars on both sides and a bottom plate, and its cross-sectional shape is "Concave" shape, one end of the pull block is provided with a baffle, and the other end is an open end; There are two guide grooves on the bottom plate close to the support bar. The convex strip on the USB interface connection part is embedded in the guide groove and slides along the guide groove. The end of the USB interface connection part touches the bottom plate of the pull block Finally, the protective cap is completely set on the USB interface connection part. 10. The low-thickness storage device with a USB interface connection according to claim 9, characterized in that: the opposite sides of the support bar on the protective cap are provided with positioning protruding teeth inwardly, and the lower protective seat The corresponding position is provided with a positioning groove, and the location and shape of the positioning convex tooth and the positioning groove are corresponding. The positioning convex tooth is embedded in the positioning groove, so that the protective cap is stably fixed on the USB interface connection. 11. The low-thickness storage device with a USB interface connection according to claim 10, characterized in that: said positioning convex teeth are trapezoidal teeth, and the two bottom angles are different in size, along the sliding direction of the protective cap, first The bottom angle of one side in contact with the positioning groove is larger than the other bottom angle. 12. The low-thickness storage device with a USB interface connection according to claim 1, characterized in that: positioning posts are provided on the inner wall of the housing, and positioning holes are correspondingly opened on the printed circuit board. 13. The low-thickness storage device with a USB interface connection part according to claim 1, characterized in that: said printed circuit board is provided with a read-write indicator light. 14. The low-thickness storage device with a USB interface connection according to claim 3 or 13, characterized in that: the upper protective frame and the corresponding position on the printed circuit board where the read-write indicator light is set, are provided with a transparent display window. 15. The low-thickness storage device with a USB interface connection according to claim 1 or 3, wherein the casing and the upper protective frame are made of transparent materials. 16. The low-thickness storage device with a USB interface connection according to claim 1 or 3, wherein a portable through hole is opened at a top corner of the casing and the upper protective frame. 17. The low-thickness storage device with a USB interface connection according to claim 1 or 3, characterized in that: anti-slip patterns are respectively or simultaneously provided on the outer surface of the casing or the upper protective frame. 18. The low-thickness storage device with a USB interface connection part according to claim 17, wherein the anti-slip pattern is composed of protrusions or pits on the outer surface. 19. The low-thickness storage device with a USB interface connection according to claim 1 or 3, characterized in that: the outer surface of the lower protection seat is provided with a guide groove, and its setting position is the same as that of the lower surface of the USB slot. The setting positions of the clamping shrapnel correspond to each other.

Images