WO2017096526A1

WO2017096526A1 - Dual-interface otg portable storage device

Info

Publication number: WO2017096526A1
Application number: PCT/CN2015/096673
Authority: WO
Inventors: 周正贤; 胡琳
Original assignee: 深圳泰思微科技有限公司
Priority date: 2015-12-08
Filing date: 2015-12-08
Publication date: 2017-06-15

Abstract

A dual-interface OTG portable storage device, comprising a storage housing (10) and a PCBA assembly (20). The PCBA assembly (20) comprises a PCB (21), a controller (22), a storage chip (23), and a USB connector (24). The storage housing (10) comprises a first end (11) and a second end (12). The first end (11) comprises a first opening (13). The USB connector (24) is disposed at the first opening (13) to form a USB interface (17). A first interface cap (30) is sheathed on the USB interface (17). The controller (22) supports an OTG function. The PCBA assembly (20) further comprises a connector (25) which supports the OTG function. The second end (12) of the storage housing (10) extends to the direction away from the first end (11) and then is reversely bent to form a hook (14). A second opening (16) is provided on the end portion of the hook (14). The connector (25) is disposed at the second opening (16) to form a second interface (18). A second interface cap (40) is sheathed on the second interface (18). The storage device is integrally bent as a J-shape, such that the whole product is small and avoids the inconvenience caused by a large size, the two interfaces can be plugged in without being influenced by each other, thereby ensuring a reliable connection with an external device.

Description

Specification Name of Invention: A Dual Interface OTG Removable Storage Device Technical Field

[0001] The present invention relates to the field of mobile storage technologies, and more particularly to a dual interface OTG removable storage device.

Background technique

[0002] With the widespread use of desktop computers and notebook computers, removable storage devices have been favored by the public because of their convenience, portability, compactness and flexibility, and are widely used in daily life and work.

[0003] Generally, removable storage devices are equipped with a USB-A male connector that is directly connected to a computer, through a USB bus.

(Universal Serial Bus) Data transfer and exchange with a computer. The computer acts as the master and issues commands. The removable storage device acts as a slave, receives various commands from the computer, and performs operations such as reading, writing, copying, and deleting data.

[0004] With the advent of portable mobile devices, especially the widespread use of smart phones and tablets, the internal storage capacity of mobile devices needs to be expanded, otherwise the user's photographing of photos and videos cannot be satisfied. In the user's use, it is often necessary to delete some pictures and video files to meet the shooting needs.

[0005] The emergence of OTG (On The Go) storage devices has solved the problem of mobile devices expanding external storage. It frees the USB device from the limitations of the original master-slave architecture, and realizes the end-to-end transmission mode between mobile devices when disconnected from the computer.

[0006] The existing removable storage device with OTG function on the market is usually elongated, and the shape is longer and larger.

It is very important to plug in a mobile device, and it is easy to damage the data transmission interface of the portable mobile device with a little care.

technical problem

[0007] An object of the present invention is to provide a dual-interface OTG removable storage device, which aims to solve the problem that the OTG removable storage device in the prior art is long in size, difficult to be plugged, and vulnerable to mobile devices.

Problem solution

Technical solution

[0008] In order to solve the above technical problem, the technical solution of the present invention is: Providing a dual interface OTG removable storage The device includes a storage case and a PCBA assembly disposed in the storage case, the PCBA assembly including a PCB board, a controller disposed on the PCB board, a memory chip coupled to the controller, and the a USB connector connected to the controller, the storage housing has a first end and a second end, the first end has a first port, and the USB connector is disposed at the first port to form a USB interface, The USB interface is sleeved with a first interface cap, the controller supports an OTG function, and the PCBA component further includes a connector connected to the controller and supporting an OTG function, and the second end of the storage housing And extending in a direction away from the first end direction to form a hook, the end of the hook is provided with a second port, and the joint is disposed at the second port to form a second interface, A second interface cap is sleeved on the second interface.

[0009] Optionally, the hook is bent in an arc.

[0010] Optionally, an end of the hook extends toward the first end.

[0011] Optionally, the end length of the hook is smaller than the length of the storage case.

[0012] Optionally, a support block is disposed between the end of the hook and the storage case.

[0013] Optionally, the support block has a semi-circular cross section, and the support block is enclosed with the hook to form a perforation for the lanyard.

[0014] Optionally, the storage case is integrally molded.

[0015] Optionally, the PCBA component is injection molded integrally with the storage case.

[0016] Optionally, the second interface is a micro storage interface.

[0017] Optionally, the second interface is a Lightning interface or a Micro USB interface or a Type C interface.

Advantageous effects of the invention

Beneficial effect

[0018] In the present invention, the two interfaces of the dual interface OTG removable storage device are plug and play, which has the great convenience and practicability, and the standard USB interface can be conveniently connected with the computer or any HOST host terminal. Data exchange and transmission and document backup, without data lines or other transmission media for intermediate conversion and data transfer; The second interface supports OTG function, can use the second interface to connect with mobile devices such as smart phones, and share data or pictures with each other. And transmission; Moreover, due to the overall bending design of the storage device, the J-shaped shape is formed, so that the overall product is small, the use of the 吋 does not occupy space, avoids excessive volume and is susceptible to external influences, and is convenient for storage, and the two interfaces are The plugs are unaffected by each other, ensuring a reliable connection between the two interfaces and external devices. Brief description of the drawing

DRAWINGS

1 is a perspective view of a dual interface OTG removable storage device according to an embodiment of the present invention;

2 is a schematic diagram of the first interface cap and the second interface cap of the dual interface OTG removable storage device according to an embodiment of the present invention;

3 is a side view of a dual interface OTG removable storage device according to an embodiment of the present invention;

4 is an exploded view of a dual interface OTG removable storage device according to an embodiment of the present invention;

[0023] 10- storage housing; 11-first end; 12-second end;

[0024] 13-first opening; 14-bend; 15-end end of the hook;

[0025] 16-second port; 17-USB interface; 18-second interface;

[0026] 20-PCBA component; 21-PCB board; 22-controller;

[0027] 23-memory chip; 24-USB connector; 25-joint;

[0028] 30-first interface cap; 40-second interface cap; 50-support block;

[0029] 51-perforation; 60-metal middle frame; 70-film;

[0030] 80-metal decorative sheet.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

[0032] It should be noted that when an element is referred to as being "fixed" or "in" another element, it can be directly on the other element or the same element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or.

[0033] It should also be noted that the left, right, upper, lower, and the like orientation terms in this embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as having limitations. Sexual.

1 to 4, a dual interface OTG removable storage device according to an embodiment of the present invention includes a storage housing 10 and a PCBA assembly 20 disposed in the storage housing 10. The storage case 10 itself has a flat shape and is hollow inside. The storage case 10 has a first end 11 and a second end 12, and the first end 11 of the storage case 10 has a first port. The mouth 13, the second end 12 of the storage case 10 extends away from the first end 11 and is reversely bent to form a hook 14 , and the end 15 of the hook 14 is provided with a second port 16 . That is, the storage casing 10 has a J-shape as a whole, and has two openings at both ends. The PCBA assembly 20 includes a PCB board 21, a controller 22 disposed on the PCB board 21, a memory chip 23 connected to the controller 22, a USB connector 24 connected to the controller 22, and a controller 22 connected to the OTG function. a connector 25, wherein the USB connector 24 is disposed outside the first port 13 to form a USB interface 17, and the connector 25 is disposed at the second port 16 to form a second interface 18, and the USB interface 17 is sleeved with the first interface cap 30 The second interface 18 is sleeved with a second interface cap 40. Thus, a J-shaped dual interface OTG removable storage device is formed.

[0035] In the embodiment of the present invention, the two interfaces of the dual interface OTG removable storage device are plug and play, which has the great convenience and practicability, and the standard USB interface 17 can be very convenient with the computer or any HOST host end. Connection, data exchange and transmission, and document backup, intermediate conversion and data transmission without data lines or other transmission media; second interface 18 supports OTG function, can use the second interface 18 to connect with mobile devices such as smart phones, mutual Data or picture sharing and transmission; Moreover, due to the overall bending design of the storage device, the J-shaped shape is formed, so that the product is small in size, the use of the device does not occupy space, avoids excessive volume and is susceptible to external influences, and is convenient for storage.插The plugs of the two interfaces are not affected by each other, ensuring a reliable connection between the two interfaces and external devices.

[0036] In this embodiment, the hook 14 is curved in an arc, and the arc line is soft, which enhances the appearance of the storage device.

The end 15 of the hook 14 extends toward the first end 11. As can be seen from Figure 3, the end 15 of the hook 14 extends slightly toward the first end 11, and the end 15 of the hook 14 does not reach the first end 11, i.e. the length of the end 15 of the hook 14. It is smaller than the length of the storage case 10. Moreover, as can be seen from the figure, the end portion 15 of the hook 14 is inclined toward the storage casing 10 in an extended manner, so that the overall appearance of the inclination is better. Of course, the end portion 15 of the hook 14 may also be parallel to the first end 11 in the extension.

[0037] A support block 50 is provided between the end 15 of the hook 14 and the storage case 10. As shown in Fig. 3, the support block 50 has a semicircular cross section, and the support block 50 is enclosed with the hook 14 to form a perforation 51 for the lanyard. The support block 50-end supports the end portion 15 of the hook 14, and the other end of the support block 50 is connected to the storage case 10, so that not only the firmness of the entire J-type storage device is enhanced, but also the hook 14 is strengthened and stabilized. , to reduce the risk of easy to break at the hook 14 . At the same time, the rope can be hung on the perforation 51, which is not only easy to carry, but also the visual stereo impact of this structure is very strong, giving a refreshing feeling and bringing a new experience to the user. [0038] In this embodiment, the second interface 18 is a micro storage interface. Specifically, it is a Lightning interface. The Light ning interface is a standard interface that can be connected to the Lightning socket on a portable device that supports OTG in both forward and reverse directions. It can realize file, picture, video and audio sharing, data transmission and storage functions in the memory. The portable device (or mobile terminal device) referred to herein may be a related device such as a smart phone, a camera, a video camera, a tablet computer or a multimedia player. It should be noted that the second interface 18 can also be other micro data interfaces such as a Micro USB interface or a Type C interface.

[0039] In this embodiment, the storage case 10 is injection molded. The components of the PCBA assembly 20 are also integrally molded into the memory case 10 by a single molding technique. Specifically, the PCB board is bent into a J-shape. It is both reliable and beautiful. In this embodiment, after the injection molding of the storage case 10, in order to enhance the external reliability and the appearance effect, the metal casing 60 is disposed on the outer casing of the storage casing 10, and the film 70 is attached to both surfaces of the metal casing 60. At the same time, a metal decorative sheet 80 is placed at the first opening 13 and the second opening 16. Of course, the external decoration structure of the storage device can also be improved according to actual needs and user requirements, and is not limited to the ones listed in the embodiment.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, and improvements made within the spirit and scope of the present invention are included in the present invention. Within the scope of protection.

Claims

Claim

A dual interface OTG removable storage device includes a storage housing and a PCBA assembly disposed in the storage housing, the PCBA assembly including a PCB board, a controller disposed on the PCB board, and the controller a connected memory chip and a USB connector connected to the controller, the storage case has a first end and a second end, the first end has a first port, and the USB connector is placed in the first A USB interface is formed at a mouth, and the first interface cap is sleeved on the USB interface, wherein: the controller supports an OTG function, and the PCBA component further includes an OTG function connected to the controller and supporting the OTG function. a second end of the storage case that extends away from the first end and is bent in a reverse direction to form a hook, and the end of the hook is provided with a second port, and the joint is placed in the A second interface is formed at the second port, and a second interface cap is sleeved on the second interface.

The dual interface OTG removable storage device of claim 1 wherein: said hook is curved in an arc.

The dual interface OTG removable storage device of claim 1 wherein: the end of the hook extends toward the first end.

The dual interface OTG removable storage device of claim 3 wherein: the length of the end of the hook is less than the length of the storage housing.

The dual interface OTG removable storage device according to claim 1, wherein a support block is disposed between the end of the hook and the storage case.

The dual interface OTG removable storage device according to claim 4, wherein: said support block has a semicircular cross section, and said support block is enclosed with said hook to form a through hole for the lanyard.

The dual interface OTG removable storage device according to claim 1, wherein: said storage case is integrally molded.

A dual interface OTG removable storage device according to claim 1 or claim 7 wherein: said PCBA assembly is injection molded integrally with said storage housing.

The dual interface OTG removable storage device of claim 1 wherein: said second interface is a micro storage interface. [Claim 10] The dual interface OTG removable storage device according to claim 9, wherein: the second interface is a Lightning interface or a Micro USB interface or a Type C interface.