USB flash disk

Abstract

The utility model belongs to the technical field of memories, and discloses a USB flash disk which comprises a shell, a circuit board and a plug positioning piece. The two ends of the shell are provided with a first opening and a second opening respectively. The circuit board is installed on the plug positioning piece, the plug positioning piece is installed in the shell through the first opening, the plug positioning piece can block the first opening, the circuit board is located in the shell, one end of the circuit board is provided with a first interface, and the first interface is located at the second opening. In the assembling process of the USB flash disk, the circuit board is firstly connected to the plug positioning piece outside the shell, then the circuit board and the plug positioning piece are simultaneously mounted in the shell, and the circuit board does not need to be contacted with the shell, so that electronic components on the circuit board are prevented from being damaged, the product yield is improved, the production cost is reduced, and the assembling efficiency is improved. And meanwhile, the plug positioning piece can block the first opening, so that the circuit board is protected, and the circuit board is prevented from being polluted by dust.

Description

Technical Field

[0001] The utility model relates to the technical field of memory, in particular to a U disk. Background Art

[0002] A USB flash drive is a miniature, high-capacity, portable storage device that uses a USB (Universal Serial Bus) interface, eliminating the need for a physical drive. Connecting to a computer via USB allows for plug-and-play operation. Compared to other portable storage devices, USB flash drives take up less space, operate faster, can store more data, and are more reliable. Disconnecting the device during reading or writing does not damage the hardware.

[0003] The existing USB flash drive is assembled from a plug, a PCBA (Printed Circuit Board Assembly), a housing and other components. In order to make the components more firmly assembled and not easy to fall off, a snap-fit ​​method is usually used to connect the printed circuit board to the housing.

[0004] Due to the small size of USB flash drives, existing assembly methods are complex and require coordinated assembly of various components. During the assembly process, the PCBA comes into contact with the housing, which can easily damage the electronic components on the PCBA, increase production costs, and reduce assembly efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a USB flash drive, which can protect electronic components on a circuit board from damage during the assembly process, reduce production costs, and improve assembly efficiency.

[0006] To achieve this purpose, the present invention adopts the following technical solutions:

[0007] A USB flash drive, comprising:

[0008] a housing, wherein two ends of the housing are respectively provided with a first opening and a second opening;

[0009] A circuit board and a plug positioning piece, the circuit board is installed on the plug positioning piece, the plug positioning piece is installed in the shell through the first opening, the plug positioning piece can block the first opening, the circuit board is located in the shell and has a first interface at one end, and the first interface is located at the second opening.

[0010] As a preferred solution of the above-mentioned USB flash drive, the plug positioning member includes a plug portion and a protective plate portion, the plug portion blocks the first opening, the protective plate portion extends into the shell, and the circuit board is installed on one side of the protective plate portion.

[0011] As a preferred solution of the above-mentioned USB flash drive, the protective plate portion is provided with a recessed portion, and part of the circuit board is located in the recessed portion.

[0012] As a preferred solution of the above-mentioned USB flash drive, two clips are provided on one side of the protective plate portion close to the circuit board. The two clips are spaced apart along the width direction of the circuit board, and the two clips are clipped to the circuit board.

[0013] As a preferred solution of the above-mentioned USB flash drive, a card slot is provided at one end of the plug portion close to the protective plate portion, and the circuit board is card-connected to the card slot.

[0014] As a preferred solution of the above-mentioned USB flash drive, a second interface is provided at the other end of the circuit board, a through hole is provided at the plugging portion, and the second interface passes through and extends out of the through hole.

[0015] As a preferred solution of the above-mentioned USB flash drive, the outer wall of the plugging portion is stepped, and the exterior of the plugging portion includes a small diameter section and a stepped surface, the small diameter section is embedded in the first opening, and the stepped surface abuts against the end surface of the first opening.

[0016] As a preferred solution of the above-mentioned USB flash drive, a positioning bump is provided on the side of the protective plate portion facing away from the circuit board, and a positioning hole corresponding to the positioning bump is provided on the shell, and the positioning bump is engaged with the positioning hole.

[0017] As a preferred solution of the above-mentioned USB flash drive, the inner wall of the shell is provided with positioning ribs, and the positioning ribs are limitedly abutted against the circuit board along the thickness direction of the circuit board.

[0018] As a preferred solution of the above-mentioned USB flash drive, the USB flash drive further comprises a U-shaped rotating cover, the U-shaped rotating cover is provided with a U-shaped groove, and two opposite side walls of the U-shaped groove are rotatably connected to the shell.

[0019] Beneficial effects of the utility model:

[0020] The utility model provides a U disk, which includes a shell, a circuit board and a plug positioning piece. A first opening and a second opening are respectively provided at both ends of the shell. The circuit board is installed on the plug positioning piece, and the plug positioning piece is installed in the shell through the first opening. The plug positioning piece can block the first opening. The circuit board is located in the shell and a first interface is provided at one end. The first interface is located at the second opening. During the assembly process of the U disk, the circuit board is first connected to the plug positioning piece on the outside of the shell, and then the circuit board and the plug positioning piece are installed in the shell at the same time. The circuit board does not need to contact the shell, thereby protecting the electronic components on the circuit board from damage, improving the product yield, reducing production costs, and improving assembly efficiency. At the same time, the plug positioning piece can also block the first opening, thereby protecting the circuit board and preventing dust from contaminating the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the structural diagrams of the USB flash drive provided by the embodiment of the present utility model;

[0022] Figure 2 This is the second structural diagram of the USB flash drive provided by the embodiment of the present utility model;

[0023] Figure 3 This is a schematic structural diagram of a housing provided by an embodiment of the present utility model;

[0024] Figure 4 This is one of the structural diagrams of the plug positioning member provided in the embodiment of the utility model;

[0025] Figure 5 This is the second structural diagram of the plug positioning member provided by the embodiment of the utility model;

[0026] Figure 6 This is a cross-sectional view of a USB flash drive provided by an embodiment of the present utility model;

[0027] Figure 7 yes Figure 6 A partial enlarged view of point A.

[0028] In the picture:

[0029] 1. Housing; 11. Positioning hole; 12. Positioning rib; 13. First opening; 14. Second opening; 15. Turntable; 2. Circuit board; 21. First interface; 22. Second interface; 3. Plug positioning piece; 31. Plug section; 311. Slot; 312. Small-diameter section; 313. Step surface; 32. Protective plate section; 321. Positioning protrusion; 322. Buckle; 4. U-shaped rotating cover. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0031] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0032] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0033] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0034] like Figure 1-Figure 3 As shown, this embodiment provides a U disk, which includes a shell 1, a circuit board 2 and a plug positioning member 3. A first opening 13 and a second opening 14 are respectively provided at both ends of the shell 1. The circuit board 2 is installed on the plug positioning member 3, and the plug positioning member 3 is installed in the shell 1 through the first opening 13. The plug positioning member 3 can block the first opening 13. The circuit board 2 is located in the shell 1 and is provided with a first interface 21 at one end. The first interface 21 is located at the second opening 14. During the assembly process of the U disk, the circuit board 2 is first connected to the plug positioning member 3 on the outside of the shell 1, and then the circuit board 2 and the plug positioning member 3 are installed in the shell 1 at the same time. The circuit board 2 does not need to contact the shell 1, thereby protecting the electronic components on the circuit board 2 from damage, improving the product yield, reducing production costs, and improving assembly efficiency. At the same time, the plug positioning member 3 can also block the first opening 13, thereby protecting the circuit board 2 and preventing dust from contaminating the circuit board 2.

[0035] Specifically, the circuit board 2 is detachably connected to the plug positioning member 3, which facilitates the installation and removal of the circuit board 2. After the circuit board 2 is connected to the plug positioning member 3, part of the plug positioning member 3 extends into the shell 1 through the first opening 13, so that the circuit board 2 connected to the plug positioning member 3 is located inside the shell 1. At the same time, the end of the circuit board 2 is located at the second opening 14, and the circuit board 2 and the second opening 14 together form a first interface 21. The first interface 21 can be an interface such as USB2.0, USB3.0 or USB-C, which is not limited in this embodiment. Part of the plug positioning member 3 is blocked in the first opening 13. The plug positioning member 3 is detachably connected to the shell 1, which facilitates the installation and removal of the plug positioning member 3.

[0036] Preferably, if Figure 1-Figure 4 As shown, the plug positioning member 3 includes a plug portion 31 and a protective plate portion 32 . The plug portion 31 blocks the first opening 13 , the protective plate portion 32 extends into the housing 1 , and the circuit board 2 is mounted on one side of the protective plate portion 32 .

[0037] Specifically, the protective plate portion 32 is located at the end of the plug portion 31 facing the housing 1. The protective plate portion 32 is a plate extending along the length of the circuit board 2. The circuit board 2 is snapped onto one side of the protective plate portion 32, and the protective plate portion 32 can shield the electronic components on the circuit board 2. In this embodiment, the length direction of the circuit board 2 is X.

[0038] Furthermore, the protective plate portion 32 is provided with a recessed portion, in which part of the circuit board 2 is located. Specifically, the thickness of the circuit board 2 is uneven, and part of the circuit board 2 is thicker, forming a protrusion. The thicker part of the circuit board 2 is located in the recessed portion, which can avoid the thicker part of the circuit board 2.

[0039] Preferably, two clips 322 are provided on one side of the protection plate portion 32 close to the circuit board 2 . The two clips 322 are spaced apart along the width direction of the circuit board 2 , and the two clips 322 are clipped to the circuit board 2 .

[0040] In this embodiment, the width direction of the circuit board 2 is Y, and the width direction of the circuit board 2 is perpendicular to the length direction of the circuit board 2 .

[0041] Specifically, grooves are provided on both sides of the circuit board 2 along the width direction of the circuit board 2 near the second opening 14 , and buckles 322 are provided at positions of the protection plate portion 32 corresponding to the grooves, and the buckles 322 are engaged with the grooves.

[0042] Furthermore, a slot 311 is provided at one end of the plug portion 31 close to the protective plate portion 32 , and the circuit board 2 is snapped into the slot 311 , which can make the connection between the circuit board 2 and the plug positioning member 3 more secure.

[0043] Specifically, the card slot 311 extends along the length of the circuit board 2. The circuit board 2 is provided with a card edge corresponding to the card slot 311. During installation, the card edge is first inserted into the card slot 311, and then the buckle 322 is engaged with the groove, thereby fixing the circuit board 2 to the plug positioning member 3.

[0044] Preferably, the outer wall of the plugging portion 31 is stepped, and the outside of the plugging portion 31 includes a small diameter section 312 and a stepped surface 313. The small diameter section 312 is embedded in the first opening 13, which can improve the stability of the connection between the plug positioning member 3 and the shell 1. The stepped surface 313 abuts against the end face of the first opening 13 to achieve sealing of the first opening 13.

[0045] Specifically, the circuit board 2 is connected to the small diameter section 312 . The step surface 313 is annular and is disposed on a side of the small diameter section 312 facing away from the circuit board 2 and is disposed around the outer wall of the small diameter section 312 .

[0046] Preferably, if Figure 1-Figure 3 and Figure 5 As shown, a positioning protrusion 321 is provided on the side of the protective plate portion 32 facing away from the circuit board 2, and a positioning hole 11 corresponding to the positioning protrusion 321 is provided on the shell 1. The positioning protrusion 321 is engaged with the positioning hole 11 to engage the plug positioning member 3 to the shell 1.

[0047] Specifically, there are two positioning protrusions 321 spaced apart along the width of the circuit board 2. There are also two positioning holes 11, corresponding to the two positioning protrusions 321. During installation, the protective plate portion 32 is extended into the housing 1, aligning the positioning protrusions 321 with the positioning holes 11, thereby engaging the positioning protrusions 321 with the positioning holes 11. When the assembled plug positioning member 3 and circuit board 2 are installed in the housing 1 along the X-direction through the first opening 13, the positioning protrusions 321 engage with the positioning holes 11, thereby limiting displacement of the plug positioning member 3 relative to the housing 1 along the X-direction.

[0048] Preferably, if Figure 6 and Figure 7 As shown, the inner wall of the housing 1 is provided with a positioning rib 12 , which abuts against the circuit board 2 along the thickness direction of the circuit board 2 to fix the circuit board 2 and the plug positioning member 3 in the housing 1 .

[0049] Specifically, positioning ribs 12 are provided on the inner wall of the housing 1 and face the circuit board. Multiple positioning ribs 12 may be provided, spaced apart along the width of the circuit board 2. Multiple positioning ribs 12 abut against one side of the circuit board 2. When the assembled plug positioning member 3 and circuit board 2 are installed within the housing 1 through the first opening 13 along the X-direction, the multiple positioning ribs 12 pressurize the circuit board 2 and the protective plate portion 32 against the inner wall of the housing 1, thereby limiting displacement of the plug positioning member 3 and circuit board 2 relative to the housing 1 in a direction perpendicular to the protective plate portion 32.

[0050] Preferably, if Figure 1-Figure 4 As shown, the other end of the circuit board 2 is provided with a second interface 22, the plug part 31 is provided with a through hole, and the second interface 22 passes through and extends out of the through hole. By providing the second interface 22, the connection between the USB flash drive and the external device can be more convenient.

[0051] Specifically, the plug portion 31 is provided with a through hole extending along the length of the circuit board 2. The second interface 22 is provided through and extends out of the through hole to enable connection between the second interface 22 and an external device. The second interface 22 and the first interface 21 are different types of interfaces. In this embodiment, the second interface 22 is a mobile phone interface for connecting a mobile phone.

[0052] Preferably, if Figure 1-Figure 3 As shown, the U disk also includes a U-shaped rotating cover 4, which is provided with a U-shaped groove. The two opposite side walls of the U-shaped groove are rotatably connected to the shell 1. When the first interface 21 is used, the U-shaped rotating cover 4 is rotated to the side of the second interface 22, which is convenient for connecting the first interface 21 with the external device and can protect the second interface 22 at the same time; when the second interface 22 is used, the U-shaped rotating cover 4 is rotated to the side of the first interface 21, which is convenient for connecting the second interface 22 with the external device and can protect the first interface 21 at the same time.

[0053] Specifically, the housing 1 is provided with turntables 15 on opposite sides, which are rotatably connected to the housing 1. The turntables 15 are provided with mounting holes, and the U-shaped rotating cover 4 is provided with mounting buckles, which snap into the mounting holes to fix the U-shaped rotating cover 4 to the turntables 15. When the turntables 15 rotate, they can drive the U-shaped rotating cover 4 and the turntables 15 to rotate synchronously.

[0054] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A USB flash drive, characterized in that: include: A housing (1), wherein two ends of the housing (1) are respectively provided with a first opening (13) and a second opening (14); A circuit board (2) and a plug positioning member (3), wherein the circuit board (2) is mounted on the plug positioning member (3), the plug positioning member (3) is mounted in the housing (1) via the first opening (13), and the plug positioning member (3) is capable of blocking the first opening (13). The circuit board (2) is located in the housing (1) and is provided with a first interface (21) at one end, and the first interface (21) is located at the second opening (14).

2. The USB flash drive according to claim 1, wherein: The plug positioning member (3) comprises a plug portion (31) and a protective plate portion (32); the plug portion (31) blocks the first opening (13); the protective plate portion (32) extends into the housing (1); and the circuit board (2) is mounted on one side of the protective plate portion (32).

3. The USB flash drive according to claim 2, wherein: The protective plate portion (32) is provided with a recessed portion, and a portion of the circuit board (2) is located in the recessed portion.

4. The USB flash drive according to claim 2, wherein: Two clips (322) are provided on one side of the protective plate portion (32) close to the circuit board (2); the two clips (322) are spaced apart along the width direction of the circuit board (2); and the two clips (322) are clipped to the circuit board (2).

5. The USB flash drive according to claim 2, wherein: A card slot (311) is provided at one end of the plugging portion (31) close to the protective plate portion (32), and the circuit board (2) is card-engaged in the card slot (311).

6. The USB flash drive according to claim 2, wherein: The other end of the circuit board (2) is provided with a second interface (22), the plugging portion (31) is provided with a through hole, and the second interface (22) passes through and extends out of the through hole.

7. The USB flash drive according to claim 2, wherein: The outer wall of the plugging portion (31) is stepped, and the exterior of the plugging portion (31) comprises a small-diameter section (312) and a stepped surface (313). The small-diameter section (312) is embedded in the first opening (13), and the stepped surface (313) abuts against the end surface of the first opening (13).

8. The USB flash drive according to claim 2, wherein: A positioning protrusion (321) is provided on the side of the protective plate portion (32) facing away from the circuit board (2), a positioning hole (11) corresponding to the positioning protrusion (321) is provided on the housing (1), and the positioning protrusion (321) is engaged with the positioning hole (11).

9. The USB flash drive according to any one of claims 1 to 8, wherein: The inner wall of the housing (1) is provided with a positioning rib (12), and the positioning rib (12) abuts against the circuit board (2) in a limited manner along the thickness direction of the circuit board (2).

10. The USB flash drive according to any one of claims 1 to 8, characterized in that: The USB flash drive further comprises a U-shaped rotating cover (4), wherein the U-shaped rotating cover (4) is provided with a U-shaped groove, and two opposite side walls of the U-shaped groove are rotatably connected to the housing (1).

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