CN214100161U - USB flash disk structure with double USB interfaces - Google Patents
USB flash disk structure with double USB interfaces Download PDFInfo
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- CN214100161U CN214100161U CN202120084207.7U CN202120084207U CN214100161U CN 214100161 U CN214100161 U CN 214100161U CN 202120084207 U CN202120084207 U CN 202120084207U CN 214100161 U CN214100161 U CN 214100161U
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- circuit board
- shell
- pcba circuit
- flash disk
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Abstract
The utility model discloses a USB flash disk structure of two USB interfaces, include: one end of the PCBA is connected with a USB female connector, and the other end of the PCBA is connected with a USB male connector; the plastic fixing plug is sleeved on the PCBA circuit board, and a pair of strip-shaped bulges are arranged on the upper side and the lower side of the plastic fixing plug; the shell is sleeved outside the USB female connector and the PCBA circuit board and is clamped with the strip-shaped bulges on the plastic fixing plugs through the strip-shaped grooves; the cap body is sleeved outside the USB male connector. The PCBA circuit board is connected with double interfaces, a male interface can be used as a storage USB flash disk interface, a female interface can be set as a type-c interface, or the PCBA circuit board can be used as a vehicle-mounted/PC power supply interface to connect a mobile phone and a mobile phone. PCBA circuit board has used the plastic end cap, clamps through the protruding cooperation with the bar groove of bar, prevents that the shell from droing easily.
Description
Technical Field
The utility model relates to a structure of USB flash disk especially relates to a USB flash disk structure of two USB interfaces, belongs to the mobile storage device field.
Background
The U disk is a kind of flash memory, so it is sometimes called flash disk, and the biggest difference between the U disk and hard disk is that it does not need physical drive, is plug and play, and its storage capacity is far more than that of floppy disk, and it is very convenient to carry. The port of the USB is connected with a computer and is a data input/output channel; the main control chip enables the computer to recognize the U disk as a removable disk.
The existing U disk is mostly composed of a shell and a PCB (printed circuit board), a USB interface is integrated on the PCB, the PCB is arranged inside the shell, and the assembly mode is complicated; the structure is not compact enough. In addition, with the unitization of the USB interface, the USB disk with a single USB interface cannot meet the use requirements of people, and is inconvenient to use.
Disclosure of Invention
To the existing technical problem, the utility model provides a USB flash disk structure of two USB interfaces increases diversity and adaptability that the product used, convenient assembling, compact structure.
In order to solve the technical problem, the utility model adopts the following technical scheme: a dual USB interface USB flash disk structure, comprising: one end of the PCBA circuit board is connected with a USB female connector, and the other end of the PCBA circuit board is connected with a USB male connector; the plastic fixing plug is sleeved on the PCBA circuit board, and a pair of strip-shaped bulges are arranged on the upper side and the lower side of the plastic fixing plug; the shell is sleeved outside the USB female connector and the PCBA circuit board and is clamped with the strip-shaped bulges on the plastic fixing plug through the strip-shaped grooves; the cap body is sleeved outside the USB male connector.
The beneficial effect of adopting above-mentioned technical scheme is: the PCBA circuit board is connected with double interfaces, the USB-A male connector can be used as a storage U disk interface, and the USB female connector can be set as a type-c interface or used as a vehicle-mounted/PC power supply interface to connect the mobile phone and the mobile phone. PCBA circuit board has used the plastic end cap, through the protruding cooperation screens assembly in with the bar groove of bar, prevents to make the shell drop easily.
The utility model discloses it is further, the shell bottom is equipped with opening and the female first interface intercommunication of USB.
The beneficial effect of adopting above-mentioned technical scheme is: the USB female connector can be directly connected with equipment through the shell opening, the shell does not need to be opened at every time, the use is convenient, and the strip-shaped groove and the design of the strip-shaped bulge on the shell can also prevent the shell from loosening during plugging.
The utility model discloses a further, the inside adhesion of the cap body has plastic cap support, the inside bead that is formed with of plastic cap support, the cap body passes through the bead card outside the public first interface of USB.
The beneficial effect of adopting above-mentioned technical scheme is: the plastic cap support is arranged in the cap body, the USB male connector is extruded to a certain degree through the convex edge in the support, and the problem of tightness of plugging and unplugging handfeel is solved when the cap body is plugged and unplugged.
The utility model discloses it is further, the fixed end cap internal diameter of plastic is less than the PCBA circuit board, through the interference fit chucking on the PCBA circuit board.
The beneficial effect of adopting above-mentioned technical scheme is: the plastic fixing plug is elastically clamped on the circuit board, so that the assembly is simple, convenient and reliable. Of course, the plastic fixing plug can be adhered to the circuit board by glue.
The utility model discloses it is further, the fixed end cap both sides of plastic leave the draw-in groove that is used for blocking PCBA circuit board half.
The beneficial effect of adopting above-mentioned technical scheme is: the card slot screens to PCBA circuit board flange, can prevent the skew of circuit board PCBA circuit board.
The utility model discloses a further, the plastic fixed end cap has round steps as the butt joint part around the body; during the assembly, shell bottom and butt portion below contact, the cap body all contacts with butt portion below and top.
The beneficial effect of adopting above-mentioned technical scheme is: the sealing effect is good, and the structure is compact.
The utility model discloses it is further, shell and cap body material are zinc alloy or aluminum alloy.
The beneficial effect of adopting above-mentioned technical scheme is: the casting process is good, and the corrosion resistance and the wear resistance are excellent.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the assembly of the present invention;
FIG. 3 is a schematic structural view of the plastic fixing plug of the present invention;
fig. 4 is a schematic structural view of the housing of the present invention;
FIG. 5 is a schematic view of the cap assembly of the present invention;
in the figure: 1. shell, 11, bar groove, 12, opening, 2, USB female head interface, 3, PCBA circuit board, 4, the public first interface of USB, 5, the fixed end cap of plastic, 51, the bar is protruding, 52, butt portion, 53, draw-in groove, 6, plastic cap support, 61, bead, 7, the cap body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses an embodiment: as shown in fig. 1 and fig. 2, a dual USB interface USB disk structure includes: one end of the PCBA circuit board 3 is connected with a USB female connector 2, and the other end of the PCBA circuit board 3 is connected with a USB male connector 4; the PCBA circuit board is characterized by comprising a plastic fixing plug 5, wherein the plastic fixing plug 5 is sleeved on the PCBA circuit board 3, and as shown in figure 3, a pair of strip-shaped bulges 51 are arranged on the upper side and the lower side of the plastic fixing plug 5; as shown in fig. 4, the shell 1 is provided with a pair of strip-shaped grooves 11 on the upper and lower surfaces of the inner side of the shell 1, the shell 1 is sleeved outside the USB female connector 2 and the PCBA circuit board 3, and is clamped with the strip-shaped protrusions 51 on the plastic fixing plugs 5 through the strip-shaped grooves 11; the cap body 7 is sleeved outside the USB male connector 4, and the cap body 7 is sleeved outside the USB male connector 4. The PCBA circuit board is connected with double interfaces, the USB male connector can be used as a storage USB flash disk interface, the USB female connector can be set as a type-c interface, or used as a vehicle-mounted/PC power supply interface to connect the mobile phone and the mobile phone. PCBA circuit board has used the plastic end cap, through the protruding cooperation screens assembly in with the bar groove of bar, prevents to make the shell drop easily.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 1, an opening 12 is provided at the bottom of the housing 1 to communicate with the USB female connector 2. USB female joint interface 2 can be directly connected with equipment through the shell opening, need not open the shell at every turn, convenient to use, and the protruding design of strip-shaped groove and bar on the shell also can prevent when the plug, and the shell pine takes off.
In other embodiments of the present invention, all the other embodiments are the same as the above embodiments, except that, as shown in fig. 5, the inside adhesion of the cap body 7 has the plastic cap support 6, the inside rib 61 that is formed with of the plastic cap support 6, the cap body 7 is clamped outside the USB male connector 4 through the rib 61. The plastic cap support 6 is arranged in the cap body 7, the USB male connector is extruded to a certain extent through the convex edge 61 in the support, and the problem of tightness of plugging and unplugging handfeel is solved when the cap body is plugged and unplugged.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 1, the inner diameter of the plastic fixing plug 5 is smaller than the PCBA circuit board 3, and is clamped on the PCBA circuit board 3 by interference fit. The plastic fixing plug 5 is elastically clamped on the circuit board 3, so that the assembly is simple and reliable. Of course, the plastic fixing plug 5 can be adhered to the circuit board by glue.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 3, the two sides of the plastic fixing plug 5 are left with the slots 53 for clamping the PCBA circuit board 3. The clamping groove 53 is clamped to the edge of the PCBA circuit board, so that the PCBA circuit board of the circuit board can be prevented from deviating.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 3, the plastic fixing plug 5 has a step as an abutting portion 52. During assembly, the bottom of the shell 1 is in contact with the lower part of the abutting part 52, the cap body 7 is in contact with the lower part and the upper part of the abutting part 52, the sealing effect is good, and the structure is compact.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 1, the shell 1 and the cap body 7 are made of zinc alloy or aluminum alloy. The casting process is good, and the corrosion resistance and the wear resistance are excellent.
In other embodiments of the present invention, the rest of the embodiments are the same as the above embodiments, except that, as shown in fig. 1, the four corners of the bottom of the housing 1 and the four corners of the top of the cap body 7 are chamfered. Prevent to cause the fish tail to the human body, increase the outward appearance aesthetic feeling simultaneously.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All equivalent changes or modifications made according to the spirit of the main technical solution of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a USB flash disk structure of two USB interfaces which characterized in that includes:
one end of the PCBA circuit board (3) is connected with a USB female connector (2), and the other end of the PCBA circuit board (3) is connected with a USB male connector (4);
the PCBA circuit board is characterized by comprising a plastic fixing plug (5), wherein the plastic fixing plug (5) is sleeved on the PCBA circuit board (3), and a pair of strip-shaped bulges (51) are arranged on the upper side and the lower side of the plastic fixing plug (5);
the USB plug comprises a shell (1), wherein a pair of strip-shaped grooves (11) are formed in the upper surface and the lower surface of the inner side of the shell (1), the shell (1) is sleeved outside a USB female connector (2) and a PCBA circuit board (3), and the shell is clamped with strip-shaped protrusions (51) on a plastic fixing plug (5) through the strip-shaped grooves (11);
the cap body (7), cap body (7) cover is established outside USB public first interface (4).
2. The USB flash disk structure with double USB interfaces according to claim 1, wherein the bottom of the shell (1) is provided with an opening (12) communicated with the USB female interface (2).
3. The USB flash disk structure with double USB interfaces according to claim 1 or 2, wherein the inside of the cap body (7) is adhered with a plastic cap support (6), a rib (61) is formed inside the plastic cap support (6), and the cap body (7) is clamped outside the USB male interface (4) through the rib (61).
4. The USB flash disk structure with double USB interfaces of claim 1 or 2, wherein the inner diameter of the plastic fixing plug (5) is smaller than that of the PCBA circuit board (3), and the plastic fixing plug is clamped on the PCBA circuit board (3) through interference fit.
5. The USB flash disk structure with double USB interfaces according to claim 4, wherein the plastic fixing plug (5) has slots (53) on both sides for clamping the PCBA circuit board (3).
6. The USB flash disk structure with double USB interfaces of claim 1 or 2, wherein the plastic fixed plug (5) has a circle of steps around as the abutting part (52); during assembly, the bottom of the shell (1) is in contact with the lower part of the abutting part (52), and the cap body (7) is in contact with the lower part and the upper part of the abutting part (52).
7. The USB flash disk structure with double USB interfaces according to claim 1, wherein the shell (1) and the cap (7) are made of zinc alloy or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120084207.7U CN214100161U (en) | 2021-01-13 | 2021-01-13 | USB flash disk structure with double USB interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120084207.7U CN214100161U (en) | 2021-01-13 | 2021-01-13 | USB flash disk structure with double USB interfaces |
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| Publication Number | Publication Date |
|---|---|
| CN214100161U true CN214100161U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120084207.7U Active CN214100161U (en) | 2021-01-13 | 2021-01-13 | USB flash disk structure with double USB interfaces |
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| CN (1) | CN214100161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245645A (en) * | 2021-12-25 | 2022-03-25 | 汇钜电科(东莞)实业有限公司 | High-efficient radiating double-joint flip formula solid-state USB flash disk |
-
2021
- 2021-01-13 CN CN202120084207.7U patent/CN214100161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114245645A (en) * | 2021-12-25 | 2022-03-25 | 汇钜电科(东莞)实业有限公司 | High-efficient radiating double-joint flip formula solid-state USB flash disk |
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