CN214478257U - USB joint and USB flash disk - Google Patents

Abstract

The utility model discloses a USB connects and USB flash disk relates to the mobile storage technology field. The USB joint comprises a metal joint shell and a joint rubber core. The metal joint shell is provided with an inserting through hole, and the joint rubber core is arranged in the inserting through hole and is used for being electrically connected with a circuit board of the USB flash disk. The metal joint shell is used for being electrically connected with a ground wire on the circuit board when the joint rubber core is electrically connected with the circuit board. The metal joint shell is provided with a grounding bulge, and the grounding bulge is used for abutting against the inner wall of the shell when the metal joint shell and the joint rubber core are arranged in the shell of the USB flash disk, so that the grounding wire and the shell are electrically connected. The USB connector and the USB flash disk have the advantages of being high in production efficiency and low in cost.

Description

USB joint and USB flash disk

Technical Field

The utility model relates to a remove storage technical field particularly, relate to a USB connects and USB flash disk.

Background

Among the existing removable storage devices, the most common is the U disk. The USB flash drive is a miniature high-capacity mobile storage product which uses a USB interface and does not need a physical drive. USB interfaces are classified into various types, among which the most common USB type a is classified into 2.0 and 3.0, USB2.0 and USB3.0 for short.

Ordinary USB flash disk mainly comprises casing and PCBA, the casing have multiple material, the most commonly used material is plastic, metal etc. PCBA contain multiple parts such as USB plug, main control chip, memory chip, electronic component and PCB and constitute. The finished U disk needs to be sold by a relevant test certifier, and ESD (Electro-Static discharge) protection is one of common tests. When the PCBA of the USB flash disk is assembled with the plastic shell, the ESD protection can be effectively realized after the PCBA of the USB flash disk is designed and assembled through the sealing structure because the plastic is an insulating material; however, when the PCBA of the USB flash disk is assembled with a plastic shell and a metal shell, the metal shell needs to be connected with a PCBA ground wire to effectively achieve ESD protection, and at present, the most common mode is that a conductive sponge is attached to the head end and the tail end of the USB of the PCBA to be conducted with a metal shell to achieve grounding, so that ESD protection is achieved; the connection mode has low production efficiency and increases corresponding production cost and material cost.

In view of the above, it is important to develop a USB connector and a USB flash drive that can solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a USB connects and USB flash disk, it has that production efficiency is higher, and the lower characteristics of cost.

The utility model provides a technical scheme:

in a first aspect, an embodiment of the present invention provides a USB connector, which includes a metal connector shell and a connector rubber core;

the metal joint shell is provided with an inserting through hole, and the joint rubber core is arranged in the inserting through hole and is used for being electrically connected with a circuit board of the USB flash disk;

the metal joint shell is used for being electrically connected with a ground wire on the circuit board when the joint rubber core is electrically connected with the circuit board;

the metal joint shell is provided with a grounding bulge, and the grounding bulge is used for abutting against the inner wall of the shell when the metal joint shell and the joint rubber core are installed in the shell of the USB flash disk, so that the ground wire and the shell are electrically connected.

With reference to the first aspect, in another implementation manner of the first aspect, the metal joint shell includes a joint main body and a bending section, one end of the bending section is connected to the joint main body, and the grounding protrusion is formed by bending a middle portion of the bending section.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the bending section is located at an edge of one end of the connector main body, the edge is close to the circuit board, and extends along a first direction, where the first direction is an opening direction of the plug through hole and points to the circuit board.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the metal joint shell further includes a connecting section, and the connecting section is connected to the bending section and the joint main body respectively so as to connect the bending section and the joint main body.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the connection section and the bending section both extend along a first direction, where the first direction is an opening direction of the insertion through hole and points to the circuit board.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, an accommodating groove is formed in the joint rubber core, and the accommodating groove corresponds to the grounding protrusion, so as to accommodate the grounding protrusion when the metal joint shell and the joint rubber core are installed in the shell of the usb disk.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the accommodating groove extends to an end of the joint rubber core close to the circuit board.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, a clamping portion is further disposed on the metal connector shell, so as to be clamped in a clamping opening of the circuit board, so as to be electrically connected to the ground wire.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the clamping portion extends along a third direction, and the grounding protrusion extends along a second direction, where the first direction is an opening direction of the insertion through hole and points to the circuit board, the second direction is a direction perpendicular to the first direction, and the third direction is opposite to the second direction.

In a second aspect, the embodiment of the present invention further provides a USB disk, which includes the USB connector;

the USB flash disk further comprises a shell and a circuit board, the joint rubber core is electrically connected with the circuit board, the metal joint shell and the joint rubber core are installed on the shell, and the grounding protrusion is electrically connected with the shell.

Compared with the prior art, the embodiment of the utility model provides a USB connects includes for prior art's beneficial effect:

the USB connector comprises a metal connector shell and a connector rubber core, wherein the metal connector shell is provided with an inserting through hole for inserting connection, the connector rubber core is arranged in the inserting through hole, and the connector rubber core is used for being electrically connected with a circuit board of the USB flash disk. The metal joint shell is a metal shell, and when the joint rubber core is electrically connected with the circuit board, the metal joint shell is electrically connected with a ground wire on the circuit board, so that the metal joint shell integrally has the function of effectively releasing static electricity, and the effect of electrostatic protection is improved. The metal joint shell is also provided with a grounding projection which is used for abutting against the inner wall of the shell when the metal joint shell and the joint rubber core are arranged in the shell of the USB flash disk, so that the grounding wire and the shell are electrically connected.

The embodiment of the utility model provides a USB flash disk is the same for prior art's beneficial effect with foretell USB joint for prior art's beneficial effect for prior art, no longer gives unnecessary details here.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of the USB connector applied to a USB disk according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a structure explosion when the USB connector provided by the embodiment of the present invention is applied to a USB disk.

Fig. 3 is a schematic structural diagram of a USB connector according to an embodiment of the present invention.

Fig. 4 is an exploded schematic view of a USB connector according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the USB connector according to an embodiment of the present invention when connected to a circuit board.

Icon: 100-U disk; 20-a housing; 30-a circuit board; 31-ground line; 32-bayonet; 40-front plug; 50-rear plug; 10-USB connector; 11-metal joint housing; 110-a fitting body; 116-a plug-in through hole; 111-a connecting segment; 112-bending section; 1121-ground projection; 113-a sustaining segment; 115-a snap-in part; 12-a joint compound core; 121-an accommodating groove; a-a first direction; b-a second direction; c-third direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally used to place the products of the present invention, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a USB connector 10 applied to a USB disk 100 according to an embodiment of the present invention. Fig. 2 is an exploded view of the USB connector 10 applied to the USB disk 100 according to an embodiment of the present invention.

The embodiment of the utility model provides a USB connects 10, this USB connects 10 has that production efficiency is higher, and the lower characteristics of cost. The USB connector 10 can be applied to electronic devices such as a USB disk 100.

When the USB connector 10 is applied to the USB disk 100, the USB connector 10 is electrically connected to the circuit board 30 of the USB disk 100 and to the ground 31 of the circuit board 30, and when the USB connector 10 is mounted on the shell 20 of the USB disk 100, the USB connector 10 is electrically connected to the shell 20, so as to connect the ground 31 and the shell 20, thereby achieving the purpose of effectively discharging static electricity from the surface of the shell 20. In addition, the USB flash drive 100 may further include a front plug 40 and a rear plug 50, wherein the front plug 40 is sleeved on the USB connector 10 and is used for blocking one end of the shell 20 close to the USB connector 10, and the rear plug 50 is used for blocking one end of the shell 20 far from the USB connector 10. Because the USB flash disk 100 has adopted the embodiment of the utility model provides a USB connects 10, so this USB flash disk 100 also has production efficiency higher, and the lower characteristics of cost.

The structure, operation principle and advantageous effects of the USB connector 10 according to the embodiment of the present invention will be described in detail below.

Referring to fig. 2, and fig. 3, fig. 4 and fig. 5, fig. 3 is a schematic structural diagram of the USB connector 10 according to an embodiment of the present invention. Fig. 4 is an exploded schematic view of the USB connector 10 according to an embodiment of the present invention. Fig. 5 is a schematic structural diagram of the USB connector 10 according to the embodiment of the present invention when connected to the circuit board 30. In fig. 3 and 4, the direction indicated by the arrow a is the first direction a, the direction indicated by the arrow B is the second direction B, and the direction indicated by the arrow C is the third direction C.

The USB connector 10 includes a metal connector shell 11 and a connector rubber core 12, wherein the metal connector shell 11 is provided with an insertion through hole 116, the insertion through hole 116 is used for insertion connection, the connector rubber core 12 is disposed in the insertion through hole 116, and the connector rubber core 12 is used for electrically connecting with the circuit board 30 of the USB disk 100. The metal joint shell 11 is a metal shell, and when the joint rubber core 12 is electrically connected with the circuit board 30, the metal joint shell 11 is electrically connected with the ground wire 31 on the circuit board 30, so that the metal joint shell 11 has a function of effectively releasing static electricity, and the effect of electrostatic protection is improved. The metal connector shell 11 is further provided with a grounding protrusion 1121, and the grounding protrusion 1121 is used for abutting against the inner wall of the shell 20 when the metal connector shell 11 and the connector rubber core 12 are installed in the shell 20 of the USB disk 100, so as to electrically connect the ground wire 31 and the shell 20, in other words, because the grounding protrusion 1121 is arranged on the metal connector shell 11, when the shell 20 is sleeved on the USB connector 10 and the circuit board 30, the shell 20 directly abuts against the grounding protrusion 1121, and the grounding connection of the shell 20 is realized during the assembly process, so that the production efficiency is high, and the USB disk connector has the characteristic of low cost without adopting other electrical connecting parts.

The conventional grounding connection method is to attach a conductive sponge to the circuit board 30 to achieve the purpose of grounding by conducting the housing 20, so that the production efficiency is low, and the corresponding production cost and material cost are increased. This application passes through ground connection shell 20 and ground wire 31, and can accomplish shell 20 in the connection of ground connection shell when assembling shell 20 promptly, and its assembly is convenient, and the cost is lower.

Further, in the present embodiment, the front plug 40 is sleeved on the metal joint shell 11 to close off one end of the outer shell 20 close to the metal joint shell 11, and the rear plug 50 is used to close off one end of the outer shell 20 far from the metal joint shell 11.

Further, in the present embodiment, the grounding protrusion 1121 is formed by bending a portion of the metal terminal housing 11, which is convenient for manufacturing, and the grounding protrusion 1121 has better elasticity to maintain a better electrical connection between the grounding protrusion 1121 and the inner wall of the housing 20, while in other embodiments, the grounding protrusion 1121 may also be formed by stamping or the like.

Specifically, the metal terminal shell 11 may include a terminal main body 110 and a bending section 112, one end of the bending section 112 is connected to the terminal main body 110, the grounding protrusion 1121 is formed by bending the middle portion of the bending section 112, and the inserting through hole 116 is located on the terminal main body 110.

Further, the bending section 112 may be located at an edge of the connector main body 110 near the circuit board 30 and extend along a first direction a, where the first direction a is an opening direction of the inserting through hole 116 and points to the circuit board 30, and thus, when the housing 20 is sleeved on the metal connector shell 11, an inclined plane formed by bending the bending section 112 is convenient for guiding the housing 20, so that the housing 20 is sleeved on the grounding shell, and the convenience of assembly is improved.

The metal joint shell 11 may further include a connecting section 111, the connecting section 111 is respectively connected to the bending section 112 and the joint main body 110 to connect the bending section 112 and the joint main body 110, in other words, a section of metal part is further disposed between the bending section 112 and the joint main body 110, so as to further improve the elasticity and deformability of the grounding protrusion 1121, to improve the stability of the electrical connection between the grounding protrusion 1121 and the housing 20, and to improve the adaptability of the metal joint shell 11.

Further, the connecting section 111 may also extend along the first direction a, so that the bending section 112 can be pressed down along the second direction B under the pressing of the inner wall of the housing 20, so as to reduce the probability of the top of the grounding protrusion 1121 being inclined, and further improve the stability of the electrical connection between the grounding protrusion 1121 and the housing 20, wherein the second direction B is perpendicular to the first direction a.

With reference to fig. 3, fig. 4 and fig. 5, the joint rubber core 12 may be formed with an accommodating groove 121, the accommodating groove 121 corresponds to the grounding protrusion 1121, so as to accommodate the grounding protrusion 1121 when the metal joint shell 11 and the joint rubber core 12 are installed in the shell 20 of the usb disk 100, in other words, when the shell 20 is sleeved on the metal joint shell 11, the inner wall of the shell 20 presses the grounding protrusion 1121, the accommodating groove 121 receives the grounding protrusion 1121, and the side wall of the accommodating groove 121 can limit the deformation range of the grounding protrusion 1121, thereby further reducing the probability of the top of the grounding protrusion 1121 being inclined.

It should be noted that, in the present embodiment, the accommodating groove 121 extends to an end of the joint rubber 12 close to the circuit board 30, so that after the grounding protrusion 1121 is pressed into the accommodating groove 121, the bending section 112 can partially extend from the accommodating groove 121 to an edge of the joint rubber 12 close to the circuit board 30 and extend out of the accommodating groove 121, so as to reduce the probability that the grounding protrusion 1121 cannot be deformed and the housing 20 is jacked up.

The metal joint shell 11 may further include a supporting section 113, the supporting section 113 is connected to an end of the bending section 112 away from the connecting section 111, and also extends along the first direction a, so as to guide the housing 20 when the housing 20 is sleeved on the metal joint shell 11, and to support against the bottom wall of the accommodating groove 121, so that when the grounding protrusion 1121 is pressed by the housing 20, the pressing section can slide along the bottom wall of the accommodating groove 121, so that the bending section 112 can be deformed more smoothly.

Further, the metal joint shell 11 is further provided with a clamping portion 115 for clamping in the bayonet 32 on the circuit board 30, so as to be connected with the ground wire 31 of the circuit board 30, thereby realizing the electrical connection between the metal joint shell 11 and the ground wire 31 while connecting the circuit board 30, and improving the convenience of assembly.

It should be noted that, in this embodiment, the clamping portion 115 extends along a third direction C, and the grounding protrusion 1121 extends along a second direction B, where the third direction C is a direction opposite to the second direction B, so that when the housing 20 presses and holds the grounding protrusion 1121 along the third direction C, the grounding housing is also pressed and held along the third direction C, so that the clamping portion 115 is clamped in the bayonet 32 more stably.

The embodiment of the utility model provides a USB connects 10's theory of operation is:

the USB connector 10 includes a metal connector shell 11 and a connector rubber core 12, wherein the metal connector shell 11 is provided with an insertion through hole 116, the insertion through hole 116 is used for insertion connection, the connector rubber core 12 is disposed in the insertion through hole 116, and the connector rubber core 12 is used for electrically connecting with the circuit board 30 of the USB disk 100. The metal joint shell 11 is a metal shell, and when the joint rubber core 12 is electrically connected with the circuit board 30, the metal joint shell 11 is electrically connected with the ground wire 31 on the circuit board 30, so that the metal joint shell 11 has the function of effectively releasing static electricity, and the effect of electrostatic protection is improved. The metal connector shell 11 is further provided with a grounding protrusion 1121, and the grounding protrusion 1121 is used for abutting against the inner wall of the shell 20 when the metal connector shell 11 and the connector rubber core 12 are installed in the shell 20 of the USB disk 100, so as to electrically connect the ground wire 31 and the shell 20, in other words, because the grounding protrusion 1121 is arranged on the metal connector shell 11, when the shell 20 is sleeved on the USB connector 10 and the circuit board 30, the shell 20 directly abuts against the grounding protrusion 1121, and the grounding connection of the shell 20 is realized during the assembly process, so that the production efficiency is high, and the USB disk connector has the characteristic of low cost without adopting other electrical connecting parts.

In summary, the following steps:

the embodiment of the utility model provides a USB connects 10, it has production efficiency higher, and the lower characteristics of cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that the features in the above embodiments may be combined with each other without conflict, and various modifications and variations of the present invention are possible. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A USB joint is characterized by comprising a metal joint shell (11) and a joint rubber core (12);

the metal joint shell (11) is provided with an inserting through hole (116), and the joint rubber core (12) is arranged in the inserting through hole (116) and is used for being electrically connected with a circuit board (30) of the U disk (100);

the metal joint shell (11) is used for being electrically connected with a ground wire (31) on the circuit board (30) when the joint rubber core (12) is electrically connected with the circuit board (30);

the metal joint shell (11) is provided with a grounding protrusion (1121), and the grounding protrusion (1121) is used for abutting against the inner wall of the shell (20) when the metal joint shell (11) and the joint rubber core (12) are installed in the shell (20) of the U disk (100), so that the ground wire (31) and the shell (20) are electrically connected.

2. The USB connector according to claim 1, wherein the metal connector shell (11) includes a connector main body (110) and a bent section (112), one end of the bent section (112) is connected to the connector main body (110), and the grounding protrusion (1121) is formed by bending a middle portion of the bent section (112).

3. The USB connector according to claim 2, wherein the bending section (112) is located at an end edge of the connector main body (110) close to the circuit board (30) and extends along a first direction (a), wherein the first direction (a) is an opening direction of the plug through hole (116) and is directed toward the circuit board (30).

4. The USB connector according to claim 2, wherein the metal connector shell (11) further comprises a connecting section (111), and the connecting section (111) is connected to the bent section (112) and the connector main body (110) to connect the bent section (112) and the connector main body (110), respectively.

5. The USB connector according to claim 4, wherein the connecting section (111) and the bending section (112) each extend along a first direction (A), wherein the first direction (A) is an opening direction of the plug through hole (116) and is directed toward the circuit board (30).

6. The USB connector according to claim 2, wherein the connector rubber core (12) has a receiving groove (121), and the receiving groove (121) corresponds to the grounding protrusion (1121) for receiving the grounding protrusion (1121) when the metal connector shell (11) and the connector rubber core (12) are assembled into the shell (20) of the USB disk (100).

7. The USB connector according to claim 6, wherein the receiving recess (121) extends to an end of the connector rubber core (12) near the circuit board (30).

8. The USB connector according to any one of claims 1-7, wherein the metal connector shell (11) further has a clip portion (115) for clipping into the clip (32) of the circuit board (30) to electrically connect with the ground wire (31).

9. The USB connector according to claim 8, wherein the clip portion (115) extends in a third direction (C), and the ground protrusion (1121) extends in a second direction (B), wherein the first direction (a) is an opening direction of the insertion through hole (116) and is directed toward the circuit board (30), the second direction (B) is a direction perpendicular to the first direction (a), and the third direction (C) is opposite to the second direction (B).

10. A USB flash drive comprising the USB connector of any one of claims 1-9;

the USB flash disk (100) further comprises a shell (20) and a circuit board (30), the joint rubber core (12) is electrically connected with the circuit board (30), the metal joint shell (11) and the joint rubber core (12) are installed on the shell (20), and the grounding protrusion (1121) is electrically connected with the shell (20).

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