CN218383983U - Single-head USB flash disk with long service life and convenient assembly - Google Patents

Abstract

The utility model discloses a single-head USB flash disk with long service life and convenient assembly, which comprises a shell and a circuit board arranged in the shell, wherein one end part of the circuit board is provided with a connector port; a plastic plug is sleeved at one end of the circuit board, a metal positioning shell is sleeved on the periphery of the plastic plug in a matching mode, one end of the metal positioning shell extends to the outer side of the circuit board, and the metal positioning shell is sleeved on the inner wall of the shell in a matching mode. The utility model discloses a plastic end cap is established to the outer matching cover of connector port on the circuit board and to match the cover and establish the metal location shell outside the plastic end cap, need not to beat to glue and can firmly fix circuit board and connector port in the metal location shell, only need to sheathe the in the shell and can accomplish the holistic assembly work of USB flash disk, it is convenient to assemble, high efficiency, each subassembly all fixes a position through the buckle limit structure of equidirectional not, the connection is stable, the not hard up phenomenon of connector port can not appear yet in long-term the use, USB flash disk long service life.

Description

Single-head USB flash disk with long service life and convenient assembly

Technical Field

The utility model relates to a USB flash disk technical field, in particular to long-life and be convenient for single-end USB flash disk of assembly.

Background

The USB flash disk is a common portable storage tool and mainly comprises a circuit board, a plug and a shell, wherein the plug mainly plays a role in fixing the circuit board, and in order to ensure the stability of data storage and transmission, the plug is generally made of metal materials so as to shield external electromagnetic signals. In production, the circuit board or the metal plug is glued and fixed and then sleeved into the shell. The USB flash disk assembly process with the structure is complex, and after long-term use, the glue is easy to deteriorate and fall off, and the internal circuit board is loosened to influence use.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model provides a long-life and be convenient for single-end USB flash disk of assembly need not to beat to glue and can firmly fix circuit board and connector port in the metal location shell, and it is convenient to assemble, and is efficient, and each subassembly is connected stably, and the not hard up phenomenon of connector port also can not appear in long-term use, USB flash disk long service life.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a long-life and easy-to-assemble single-head U disk comprises a shell and a circuit board arranged in the shell, wherein one end part of the circuit board is provided with a connector port; a tip cover of circuit board is equipped with a plastic end cap, the connector port passes the plastic end cap extends to its outside, the peripheral matching cover of plastic end cap is equipped with the metal location shell, a tip of metal location shell supports and leans on the plastic end cap, another tip extends to the outside of circuit board, the metal location shell matches the cover and establishes on the inner wall of shell.

As a further elaboration of the above technical solution:

in the technical scheme, the plastic plug is a square shell structure with two open ends, one open end of the plastic plug is provided with a hole slot matched with the connector port, and two sides of the hole slot are symmetrically provided with first clamping protrusions matched with the end part of the metal positioning shell; the two opposite side walls of the plastic plug are respectively provided with more than one second clamping protrusion, and the inner walls of the other two opposite side walls of the plastic plug are respectively provided with a first clamping groove matched with the circuit board.

In the above technical solution, the metal positioning shell is a square shell structure with an opening at one end, two opposite side walls of the metal positioning shell are respectively provided with a first cutting groove adapted to the first clamping protrusion, and the other two opposite side walls of the metal positioning shell are respectively provided with a plurality of second cutting grooves adapted to the second clamping protrusions one by one.

In the above technical solution, two opposite side walls of the metal positioning shell are respectively provided with an annular third protrusion, and each third protrusion is provided with a plurality of third grooves along the circumferential direction.

In the above technical solution, the two opposite side walls of the housing are respectively provided with a fourth protrusion and a plurality of fifth protrusions, the fourth protrusion is adapted to the inner ring of the third protrusion, and each fifth protrusion is adapted to one of the third grooves.

Compared with the prior art, the beneficial effects of the utility model reside in that: the plastic plug is sleeved outside the circuit board and the connector port on the circuit board, the metal positioning shell is sleeved outside the plastic plug in a matching mode, the circuit board and the connector port can be firmly fixed in the metal positioning shell without glue beating, the whole assembly work of the USB flash disk can be completed only by sleeving the shell, the assembly is convenient and fast, the efficiency is high, all the components are positioned through the buckle limiting structures in different directions, the connection is stable, the connector port loosening phenomenon cannot occur even after long-term use, and the service life of the USB flash disk is long.

Drawings

FIG. 1 is a schematic view of the disassembling mechanism of the present embodiment

FIG. 2 is a schematic structural diagram of the plastic plug of the present embodiment;

fig. 3 is a schematic structural diagram of the metal positioning shell in the present embodiment.

In the figure: 10. a housing; 11. a fourth protrusion; 12. a fifth projection; 20. a circuit board; 21. a connector port; 30. a plastic plug; 31. a hole groove; 32. a first snap projection; 33. a second snap projection; 34. a first card slot; 40. a metal positioning shell; 41. a first cut groove; 42. a second cut groove; 43. a third protrusion; 44. and a third groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a number" or "a plurality" is two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral connections; 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 application can be understood by those of ordinary skill in the art as the case may be. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-3, a long-life and easy-to-assemble single-head usb disk includes a housing 10 and a circuit board 20 installed therein, one end of the circuit board 20 being provided with a connector port 21; one end of the circuit board 20 is sleeved with a plastic plug 30, the connector port 21 passes through the plastic plug 30 and extends to the outer side of the plastic plug 30, the periphery of the plastic plug 30 is sleeved with a metal positioning shell 40 in a matching manner, one end of the metal positioning shell 40 abuts against the plastic plug 30, the other end of the metal positioning shell extends to the outer side of the circuit board 20, and the metal positioning shell 40 is sleeved on the inner wall of the shell 10 in a matching manner.

Further, the plastic plug 30 is a square shell structure with two open ends, one open end of the plastic plug is provided with a hole groove 31 adapted to the connector port 21, and two sides of the hole groove 31 are symmetrically provided with first clamping protrusions 32 adapted to the end of the metal positioning shell 40; two opposite side walls of the plastic plug 30 are respectively provided with more than one second clamping protrusion 33, and the inner walls of the other two opposite side walls are respectively provided with a first clamping groove 34 adapted to the circuit board 20.

Further, the metal positioning shell 40 is a square shell structure with an open end, two opposite side walls of the metal positioning shell are respectively provided with a first slot 41 adapted to the first locking protrusion 32, and the other two opposite side walls of the metal positioning shell are respectively provided with a plurality of second slots 42 adapted to the second locking protrusions 33.

Further, two opposite side walls of the metal positioning shell 40 are provided with an annular third protrusion 43, and each third protrusion 43 is provided with a plurality of third grooves 44 along the circumferential direction.

Further, the two opposite side walls of the outer shell 10 are provided with a fourth protrusion 11 and a plurality of fifth protrusions 12, the fourth protrusion 11 is adapted to the inner ring of the third protrusion 43, and each fifth protrusion 12 is adapted to a third groove 44.

Further, the housing 10 has a U-shaped configuration.

In the embodiment, the shell 10 is a U-shaped structure, which not only facilitates the assembly of the metal positioning shell 40, but also further reduces the weight of the usb disk, and is convenient for carrying and using.

During assembly, firstly, one end of the circuit board 20, which is provided with the connector port 20, is clamped into the bottom of the plastic plug 30 along the first clamping groove 34, then the metal positioning shell 40 is clamped outside the plastic plug 30, all the second clamping protrusions 33 are ensured to be clamped into the second cutting grooves 42, at this time, the circuit board 20 is completely packaged in the metal positioning shell 40 and the plastic plug 30, finally, the outer shell 10 is sleeved on the periphery of the metal positioning shell 40, the fourth protrusions 11 are ensured to be clamped into the hole grooves of the axle center of the third protrusions 43, and each fifth protrusion 12 is clamped into one third groove 44. When the connector is used, the metal positioning shell 40 is pushed to rotate by applying force from the notches on the two sides of the U-shaped housing 10, so that the fifth protrusion 12 is disengaged from the third groove 44, and the metal positioning shell 40 can drive the connector port 21 fixed thereon to rotate to a proper using position. After use, the connector port 21 may be rotated into the housing 10 in the same manner.

The utility model discloses a plastic end cap 30 is established to the outer matching cover of circuit board 20 and the connector port 21 on it to match the cover and establish metal location shell 40 outside plastic end cap 30, need not to beat to glue and can firmly fix circuit board 20 and connector port 21 in metal location shell 40, only need to sheathe in shell 10 and can accomplish the holistic assembly work of USB flash disk, it is convenient to assemble, high efficiency, each subassembly all fixes a position through the buckle limit structure of equidirectional not, the connection is stable, the not hard up phenomenon of connector port can not appear yet in long-term use, USB flash disk long service life.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (6)

1. A long-life and easy-to-assemble single-head U disk comprises a shell and a circuit board arranged in the shell, wherein one end part of the circuit board is provided with a connector port; the connector is characterized in that a plastic plug is sleeved at one end of the circuit board, the connector port penetrates through the plastic plug and extends to the outer side of the plastic plug, a metal positioning shell is sleeved on the periphery of the plastic plug in a matching mode, one end of the metal positioning shell abuts against the plastic plug, the other end of the metal positioning shell extends to the outer side of the circuit board, and the metal positioning shell is sleeved on the inner wall of the shell in a matching mode.

2. The single-ended U disk with the long service life and the convenience in assembly as claimed in claim 1, wherein the plastic plug is a square shell structure with two open ends, one open end of the plastic plug is provided with a hole slot adapted to the connector port, and two sides of the hole slot are symmetrically provided with first clamping protrusions adapted to the ends of the metal positioning shell; the two opposite side walls of the plastic plug are respectively provided with more than one second clamping protrusion, and the inner walls of the other two opposite side walls of the plastic plug are respectively provided with a first clamping groove matched with the circuit board.

3. A long-life and easy-to-assemble single-ended usb flash disk as claimed in claim 2, wherein the metal positioning case is a square case structure with an open end, and has first slots on two opposite side walls for fitting with the first protrusions, and second slots on the other two opposite side walls for fitting with the second protrusions.

4. A long-life and easy-to-assemble single-ended usb flash disk as claimed in claim 3, wherein the metal positioning shell has an annular third protrusion on each of two opposite side walls, and each of the third protrusions has a plurality of third grooves formed along a circumferential direction.

5. A long-life and easy-to-assemble single-ended U disk according to claim 4, wherein each of two opposite side walls of said case has a fourth protrusion and a plurality of fifth protrusions, said fourth protrusion fitting with an inner ring of said third protrusion, each of said fifth protrusions fitting with one of said third grooves.

6. A long life and easy to assemble single head U-disk as in claim 5 wherein said housing is U-shaped in configuration.

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