CN216596278U

CN216596278U - USB flash disk convenient to equipment

Info

Publication number: CN216596278U
Application number: CN202123307998.4U
Authority: CN
Inventors: 詹焕; 张剑勇; 曹勇
Original assignee: Huiju Electric Technology Dongguan Industrial Co Ltd
Current assignee: Huiju Storage Technology Dongguan Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-05-24
Anticipated expiration: 2031-12-25

Abstract

The utility model relates to the technical field of memories, in particular to a U disk convenient to assemble, which comprises a shell, a core and a connecting sleeve, wherein one end of the shell is provided with an opening, and the core is fixedly connected with the opening of the shell through the connecting sleeve; the left inner wall and the right inner wall of the shell are respectively provided with a clamping groove close to the opening, the outer side of the connecting sleeve is molded with a first clamping block matched with the clamping groove, the outer side of the connecting sleeve is also molded with an inosculating part inosculated with the opening, the connecting sleeve is inserted into the shell along the opening, is fixedly clamped with the clamping groove through the first clamping block and is inosculated with the opening through the inosculating part; the problem that the whole core breaks away from the shell due to degumming can be solved, stress during core plugging is reasonably transmitted, overlarge stretching or extrusion cannot be generated between the PCB and the USB interface, and the service life of the core is prolonged.

Description

USB flash disk convenient to equipment

Technical Field

The utility model belongs to the technical field of the memory technique and specifically relates to a USB flash disk convenient to equipment is related to.

Background

The U disk integrates the magnetic disk storage technology, the flash memory technology and the universal serial bus technology. The port of the USB is connected with a computer and is a data input/output channel; the main control chip makes the computer recognize the USB flash disk as a movable disk, which is the brain of the USB flash disk; the Flash (Flash memory) chip of the U disk stores data, different from the memory of a computer, and the data can not be lost even after power failure; the PCB backplane connects the components together and provides a platform for data processing.

The U disk mainly comprises a shell and a core, wherein the shell is usually made of ABS plastic or metal materials, and the core mainly comprises a small printed circuit board and a USB connector fixed on the circuit board; traditional USB flash disk is in the assembling process, mainly adopt to beat the fixed cooperation that gluey technology realized shell and core, but come unstuck easily in the use, and adopt the mode of beating glue, make still have certain buffering effort between USB connector and the shell, when inserting the USB connector at every turn, the buffering effort that the USB connector produced can withstand printed circuit board, can produce the harm to the hookup location department between USB connector and the printed circuit board, and adopt to beat gluey technology later stage and easily come unstuck, can lead to the pine of shell and USB connector to take off, it is necessary to provide an improved technical scheme in order to solve foretell problem to this.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

A U disk convenient to assemble comprises a shell, a core and a connecting sleeve, wherein an opening is formed in one end of the shell, and the core is fixedly connected with the opening of the shell through the connecting sleeve; the left inner wall and the right inner wall of the shell are respectively provided with a clamping groove close to the opening, the outer side of the connecting sleeve is molded with a first clamping block matched with the clamping groove, the outer side of the connecting sleeve is also molded with an inosculating part inosculated with the opening, the connecting sleeve is inserted into the shell along the opening, is fixedly clamped with the clamping groove through the first clamping block and is inosculated with the opening through the inosculating part;

the machine core comprises a PCB, a USB interface and a storage module, wherein the storage module is arranged on the PCB, a wiring terminal of the USB interface is fixed at one end of the PCB, and the storage module is electrically connected with the USB interface; one end of the PCB connected with the USB interface is provided with a blocking part which respectively corresponds to the left side and the right side of the USB interface, the inner side of the connecting sleeve is provided with a blocking structure which blocks the PCB from separating out of the shell, and the PCB enters the shell along the opening and is in blocking fit with the blocking structure through the blocking part; the inner side of the connecting sleeve is also provided with a second clamping block for clamping the USB interface into the shell, and the USB interface penetrates out of the opening of the shell along the inner side of the connecting sleeve and is connected with the second clamping block in a jacking mode through a wiring terminal.

Preferably, the adapter sleeve closes the portion and is located the inside grafting portion of shell including the lid that is located the shell outside, and first joint piece and second joint piece all take the shape on grafting portion, and the inboard that the lid closed the portion still the shaping have the location portion of matcing in USB interface outside structure, and the lid closes and blocks the position through location portion formation between the inboard of portion and grafting portion, and the portion shaping that coincide closes the outside of portion at the lid.

Preferably, the covering part is further covered with a protective cover wrapped on the USB interface, and a protective rubber sleeve matched with the USB interface is arranged inside the protective cover.

Preferably, the inserting portion comprises two first inserting plates respectively abutting against the left side and the right side of the shell and two second inserting plates respectively abutting against the upper side and the lower side of the shell, the first inserting plates and the second inserting plates are separated by a gap, the first clamping blocks are formed on the first inserting plates, and the second clamping blocks are formed on the second inserting plates.

Preferably, the longitudinal section of first joint piece is right trapezoid structure, and the one side that first joint piece corresponds its right angle waist blocks the cooperation with the wiring end of USB interface.

Preferably, the transverse section of the second clamping block is of a right-angle trapezoidal structure, and one surface of the second clamping block, corresponding to the right-angle waist of the second clamping block, is blocked by the clamping groove in a matched mode.

Preferably, the opposite surfaces of the two first inserting plates are respectively provided with slots corresponding to the left side and the right side of the PCB, and the left side and the right side of the PCB are in positioning fit with the connecting sleeve through the slots.

Preferably, the inner bottom of the outer shell is further provided with a positioning seat matched with the thickness of the PCB, and one end, far away from the USB interface, of the PCB is in positioning fit with the outer shell through the positioning seat.

Compared with the prior art, the beneficial effects of the utility model are that:

the outer side of the connecting sleeve is provided with a first clamping block which is clamped and matched with a clamping groove arranged on the shell, so that the shell and the connecting sleeve are fixedly matched; the connecting sleeve is provided with the blocking part for abutting against the PCB, and the second clamping block for abutting against the USB interface, so that the glue applying process has higher reliability compared with the traditional glue applying process, the problem that the whole machine core is separated from the shell due to degumming can be solved, the stress generated when the machine core is plugged and pulled is reasonably transmitted, the PCB and the USB interface cannot be stretched or extruded too much, and the service life of the machine core is prolonged; the USB flash disk can be firmly and stably assembled in a whole, the assembly mainly adopts the matching relation of insertion and clamping, the assembly is convenient and quick, a gluing process is not needed, the production procedures are saved, and the production efficiency is improved; in addition, the insertion part is arranged to be in clearance fit with the two first insertion plates and the two second insertion plates, so that the insertion part has certain elastic deformation force, and the assembly and matching rate between the shell and the connection sleeve and between the connection sleeve and the movement is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic structural view of the connecting sleeve of the present invention;

fig. 4 is a schematic cross-sectional structure view of the transverse cross section of the present invention;

fig. 5 is a schematic cross-sectional structure view of the longitudinal section of the present invention;

FIG. 6 is an enlarged schematic view of the present invention shown in circle A of FIG. 4;

fig. 7 is an enlarged schematic view of the present invention shown in circle B of fig. 5.

The reference numerals and names in the figures are as follows:

the USB interface module comprises a shell 10, a movement 20, a connecting sleeve 30, an opening 11, a clamping groove 12, a protective cover 13, a protective rubber sleeve 14, a positioning seat 15, a PCB 21, a USB interface 22, a storage module 23, a blocking part 24, a first clamping block 31, an inosculating part 32, a blocking structure 33, a second clamping block 34, a covering part 35, an inserting part 36, a positioning part 37, a first inserting plate 361, a second inserting plate 362 and an inserting groove 363.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, in an embodiment of the present invention, an easy-to-assemble usb disk includes a casing 10, a core 20, and a connecting sleeve 30, wherein an opening 11 is disposed at one end of the casing 10, and the core 20 is fixedly connected to the opening 11 of the casing 10 through the connecting sleeve 30; the left and right inner walls of the shell 10 are respectively provided with a clamping groove 12 close to the opening 11, the outer side of the connecting sleeve 30 is formed with a first clamping block 31 matched with the clamping groove 12, the outer side of the connecting sleeve 30 is also formed with an inosculating part 32 inosculated with the opening 11, the connecting sleeve 30 is inserted into the shell 10 along the opening 11, and is clamped and fixed with the clamping groove 12 through the first clamping block 31 and is inosculated with the opening 11 through the inosculating part 32;

the movement 20 comprises a PCB 21, a USB interface 22 and a storage module 23, wherein the storage module 23 is arranged on the PCB 21, a terminal of the USB interface 22 is fixed at one end of the PCB 21, and the storage module 23 is electrically connected with the USB interface 22; one end of the PCB 21 connected with the USB interface 22 is provided with a blocking portion 24 respectively corresponding to the left side and the right side of the USB interface 22, the inner side of the connecting sleeve 30 is provided with a blocking structure 33 for blocking the PCB 21 from separating from the housing 10, the PCB 21 enters the housing 10 along the opening 11 and is blocked and matched with the blocking structure 33 through the blocking portion 24; the inside of the connecting sleeve 30 is also formed with a second clamping block 34 for clamping the USB interface 22 into the interior of the housing 10, and the USB interface 22 penetrates out of the opening 11 of the housing 10 along the inside of the connecting sleeve 30 and is abutted against the second clamping block 34 through terminals.

In the above technical solution, the core 20 mainly includes a PCB 21, a USB interface 22 and a storage module 23, the storage module 23 mainly includes a USB main control chip, a crystal oscillator, a chip resistor, a capacitor, a FLASH chip, etc., the casing 10 and the core 20 are fixedly matched with each other by using the connection sleeve 30, and the casing 10 and the connection sleeve 30 are fixedly matched by arranging the first clamping block 31 at the outer side of the connection sleeve 30 and clamping the first clamping block with the clamping groove 12 arranged on the casing 10; the blocking part 24 is arranged on the connecting sleeve 30 and used for propping against the PCB 21, and the second clamping block 34 is arranged and used for propping against the USB interface 22, so that the structure of the USB interface 22 is fully utilized, when a USB flash disk is inserted, the force of the USB interface 22 by a USB socket is transferred to the shell 10 through the second clamping block 34, the force between the PCB 21 and the USB interface 22 cannot be applied, and the USB flash disk cannot be damaged by too much force when the USB flash disk is inserted; when the USB flash disk is pulled out, the shell 10 is stressed, the first clamping block 31 drives the connecting sleeve 30, the connecting sleeve 30 drives the PCB 21 through the blocking part 24, and the USB interface 22 is pulled out under the combined action of the PCB 21 and the connecting sleeve 30, so that the USB flash disk has higher reliability compared with the traditional gluing process, and the problem that the whole core 20 is separated from the shell 10 due to degumming can be solved; therefore, by adopting the technical scheme, the stress generated when the movement 20 is plugged and pulled is reasonably transferred, so that excessive stretching or extrusion cannot be generated between the PCB 21 and the USB interface 22, and the service life of the movement 20 is prolonged; and can make the whole equipment of USB flash disk firm stable, the equipment mainly adopts the cooperation relation of grafting and joint, and its equipment is convenient and fast, need not pass through the technology of beating glue, has saved production processes to production efficiency has been improved.

As further shown in fig. 2, 3, 6 and 7, the connecting sleeve 30 is configured to include a covering portion 35 located outside the housing 10 and an inserting portion 36 located inside the housing 10, the first clamping block 31 and the second clamping block 34 are both formed on the inserting portion 36, then the blocking portion 24 is disposed between the covering portion 35 and the inserting portion 36, specifically, a positioning portion 37 matched with an outer structure of the USB interface 22 is formed on an inner side of the covering portion 35, so that the blocking portion 24 is formed between the covering portion 35 and the inner side of the inserting portion 36 through the positioning portion 37, and the positioning portion 37 is mainly used for limiting the USB interface 22, so that the USB interface 22 does not shake after being installed; finally, the inosculating part 32 is molded on the outer side of the covering part 35; by the structural design, the matching compactness among the shell 10, the connecting sleeve 30 and the USB interface 22 can be improved, and the rationality of the structural design is also improved; in addition, the covering part 35 is covered with a protective cover 13 covering the USB interface 22, and a protective rubber sleeve 14 matched with the USB interface 22 is arranged inside the protective cover 13; in order to further improve the clamping rate among the housing 10, the movement 20 and the connecting sleeve 30 and to make the whole assembly more convenient, the inserting part 36 comprises two first inserting plates 361 respectively abutting against the left side and the right side of the housing 10 and two second inserting plates 362 respectively abutting against the upper side and the lower side of the housing 10, the first inserting plates 361 and the second inserting plates 362 are separated by a gap, the first clamping block 31 is formed on the first inserting plates 361, and the second clamping block 34 is formed on the second inserting plates 362; the plug part 36 has a certain elastic deformation force, which helps to improve the assembly matching rate between the housing 10 and the connecting sleeve 30 and between the connecting sleeve 30 and the movement 20.

As further shown in fig. 3, fig. 6 and fig. 7, for the structural design of the first card block 31 and the second card block 34, the longitudinal section of the first card block 31 is specifically a right-angled trapezoid structure, and one surface of the first card block 31 corresponding to the right-angled waist thereof is in blocking fit with the terminal of the USB interface 22; the first clamping block 31 has certain strength by adopting the right trapezoid structure, and the connecting sleeve 30 is inserted into the shell 10 during assembly, so that the connecting sleeve 30 is fixed at the position of the opening 11 of the shell 10 and cannot be pulled out after the first clamping block 31 is clamped and matched with the clamping groove 12; similarly, the transverse section of the second clamping block 34 is a right trapezoid structure, and one surface of the second clamping block 34 corresponding to the right-angled waist thereof is in blocking fit with the clamping groove 12.

As further shown in fig. 3-5, the opposite surfaces of the two first insertion plates 361 are further respectively provided with a slot 363 corresponding to the left and right sides of the PCB 21, the left and right sides of the PCB 21 are in positioning fit with the connection sleeve 30 through the slot 363, the inner bottom of the housing 10 is further provided with a positioning seat 15 matching the thickness of the PCB 21, and one end of the PCB 21 away from the USB interface 22 is in positioning fit with the housing 10 through the positioning seat 15, so that the PCB 21 can be assembled inside the housing 10 more stably.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A U disk convenient to assemble comprises a shell, a core and a connecting sleeve, wherein an opening is formed in one end of the shell, and the core is fixedly connected with the opening of the shell through the connecting sleeve; the connecting sleeve is inserted into the shell along the opening, is clamped and fixed with the clamping groove through the first clamping block and is matched with the opening through the matching part;

2. The U disk convenient to assemble according to claim 1, wherein the connecting sleeve comprises a covering part located outside the shell and an inserting part located inside the shell, the first clamping block and the second clamping block are both formed on the inserting part, a positioning part matched with a structure outside the USB interface is further formed on the inner side of the covering part, a blocking part is formed between the covering part and the inner side of the inserting part through the positioning part, and the matching part is formed on the outer side of the covering part.

3. The U disk convenient to assemble as claimed in claim 2, wherein the covering portion is covered with a protection cover covering the USB interface, and a protection rubber sleeve matched with the USB interface is arranged inside the protection cover.

4. The USB flash disk convenient to assemble according to claim 2, wherein the plug part comprises two first plug boards respectively abutting against the left side and the right side of the housing and two second plug boards respectively abutting against the upper side and the lower side of the housing, the first plug board and the second plug board are spaced from each other, the first clamping block is formed on the first plug board, and the second clamping block is formed on the second plug board.

5. The USB flash disk convenient to assemble according to claim 4, wherein the longitudinal section of the first clamping block is a right trapezoid structure, and one surface of the first clamping block corresponding to the right-angled waist of the first clamping block is in blocking fit with the wiring terminal of the USB interface.

6. The U disk convenient to assemble as claimed in claim 4, wherein the second clamping block has a right trapezoid cross section, and one surface of the second clamping block corresponding to the right waist thereof is in blocking fit with the clamping groove.

7. The USB flash disk convenient to assemble according to claim 4, wherein the opposite surfaces of the two first plug boards are respectively provided with slots corresponding to the left side and the right side of the PCB, and the left side and the right side of the PCB are in positioning fit with the connecting sleeves through the slots.

8. The USB flash disk convenient to assemble according to claim 7, wherein the inner bottom of the outer shell is further provided with a positioning seat matched with the thickness of the PCB, and one end of the PCB, which is far away from the USB interface, is in positioning fit with the outer shell through the positioning seat.