CN214069978U

CN214069978U - Mobile phone OTG support

Info

Publication number: CN214069978U
Application number: CN202120180674.XU
Authority: CN
Inventors: 曹悦
Original assignee: Shandong Technician Institute
Current assignee: Shandong Technician Institute
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-27
Anticipated expiration: 2031-01-22

Abstract

The utility model provides a cell-phone OTG support, includes the OTG connecting wire, the one end of OTG connecting wire has Type-C cell-phone interface, the shape of Type-C cell-phone interface is the L Type, the other end of OTG connecting wire is connected with the expansion interface box, the bottom surface of expansion interface box and the back laminating of cell-phone, the side of expansion interface box includes female first interface of USB-A, 3.5mm earphone interface, female first interface of Type-C and connecting hole, the OTG connecting wire passes through the connecting hole and is connected with the expansion interface box, the support is installed at the top surface center of expansion interface box. The mobile phone OTG support improves the holding comfort level and reduces the damage to the mobile phone interface through the L-Type-C mobile phone interface; the interface box has rich interfaces, can charge, read and write a USB flash disk and listen to songs at the same time, can also insert a Type-C mobile phone interface into a Type-C female connector when not in use, and has reasonable design; the support mounting can make bearing structure more reasonable, compact at the top surface center of extension interface box, and the volume is littleer.

Description

Mobile phone OTG support

Technical Field

The utility model relates to a cell phone stand technical field, concretely relates to compact structure, manifold OTG support of function.

Background

OTG is an abbreviation for On-The-Go, a technology developed in recent years. The method is mainly applied to the connection between various different devices or mobile devices for data exchange.

The current android mobile phone interface is basically a TypeC interface and gradually cancels an earphone hole, but in some use scenes, only one TypeC interface brings trouble on the contrary, and an OTG function is required to support the use of various interfaces. Therefore, a plurality of OTG patch cords and extension cords exist in the market at present, but the OTG patch cords and the extension cords are inconvenient to carry, the structure of a cord pulled on a mobile phone is unreasonable and not attractive, and the OTG patch cord is generally provided with only one or two expansion interfaces, so that the interfaces are incomplete. There is also an example of combining the mobile phone support with the OTG function, for example, a ring buckle back-pasting support with an OTG adapter, an OTG U-disk, an OTG card reader, or a mobile phone headset adapter mentioned in chinese patent CN201810152719.5, where an inner cavity into which an OTG small device can be inserted and clamped is mainly disposed on the ring buckle back-pasting support, and the OTG small device function and the ring buckle back-pasting support are combined in a storage manner, and only a device with one interface can be carried at a time. A mobile phone OTG support which supports various interfaces and has a reasonable structure, can be used as an OTG extension and can also be used as a mobile phone support is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of unreasonable structure and incomplete interfaces of the existing mobile phone OTG expansion equipment, the utility model provides a novel mobile phone OTG support, which uses an L-Type-C mobile phone interface to ensure that an OTG connecting wire can transversely return to an expansion interface box, thereby improving the comfort level of holding and reducing the damage to the mobile phone interface; the interface box has rich interfaces, can simultaneously charge, read and write a USB flash disk and listen to songs, can use universal interface equipment such as the USB flash disk, earphones and the like without using an additional patch cord, can insert a Type-C mobile phone interface into a Type-C female connector when not used, and has reasonable design; the support is arranged at the center of the top surface of the expansion interface box, so that the support structure is more reasonable and compact, and the volume is smaller.

The technical scheme of the utility model as follows:

the utility model provides a cell-phone OTG support, includes the OTG connecting wire, the one end of OTG connecting wire has Type-C cell-phone interface, the shape of Type-C cell-phone interface is the L Type, the other end of OTG connecting wire is connected with the expansion interface box, the bottom surface of expansion interface box and the back laminating of cell-phone, the side of expansion interface box includes female first interface of USB-A, 3.5mm earphone interface, female first interface of Type-C and connecting hole, the OTG connecting wire passes through the connecting hole and is connected with the expansion interface box, the support is installed at the top surface center of expansion interface box.

According to the technical scheme, the L-Type-C mobile phone interface is used, when the L-Type-C mobile phone interface is inserted into a mobile phone, the longitudinal extension length of the mobile phone is shortened, the OTG connecting wire transversely returns to the expansion interface box, the comfort level in hand holding is improved, and meanwhile, the damage of transverse force to the mobile phone interface is reduced due to the shortened length; the expansion interface box is provided with various interfaces, so that the USB flash disk can be charged, read and write and can listen to songs at the same time, equipment such as a USB flash disk and an earphone of a universal interface can be used without using an additional patch cord, and a Type-C mobile phone interface can be inserted into a Type-C female connector when the expansion interface box is not used; the expansion interface box is provided with the bracket at the center of the top surface, so that the supporting structure is more reasonable and compact, and the stability of the support is ensured.

As above-mentioned cell-phone OTG support, the female first interface setting of Type-C is at the opposition side of extension interface box upper junction hole. After the Type-C mobile phone interface is used up, the Type-C mobile phone interface can be inserted into the Type-C female connector.

According to the mobile phone OTG support, the USB-A female connector and the 3.5mm earphone connector are arranged on the same side of the expansion interface box.

According to the mobile phone OTG support, the USB-A female connector and the 3.5mm earphone interface are arranged on different sides of the expansion interface box.

As for the mobile phone OTG support, the side face of the expansion interface box is provided with the fixing buckle, and the fixing buckle can fix the OTG connecting wire on the side face of the expansion interface box.

Furthermore, the left side surface or the right side surface of the expansion interface box is at least provided with a fixing buckle.

As above-mentioned cell-phone OTG support, female first interface of USB-A and 3.5mm earphone interface are provided with dustproof stopper, dustproof stopper is installed in the side of extension interface box, and dustproof stopper covers when not using the interface, plays certain waterproof dustproof effect.

The mobile phone OTG support is characterized in that the connecting corners of the side surfaces of the expansion interface box are rounded corners, and the radius of the rounded corners ranges from 0.3cm to 1 cm.

According to the mobile phone OTG support, the side face where the connecting hole is located has a certain radian, the radian ranges from pi/4 to pi, the OTG connecting wire can be prevented from being scratched to a certain extent and protected through the design of the round angle and the radian, and when the OTG connecting wire is wound on the side face of the expansion interface box, the OTG connecting wire cannot be bent excessively.

According to the mobile phone OTG support, the top surface of the expansion interface box is provided with the groove, the support is installed in the groove, the depth of the groove is larger than the thickness of the support, so that after the support is retracted, the top surface of the expansion interface box is flat, and a mobile phone can be horizontally placed.

The utility model discloses for prior art gained beneficial effect lie in:

the utility model discloses cell-phone OTG support uses L Type-C cell-phone interface, makes the OTG connecting wire can transversely get back to the extension interface box, has improved the comfort level of gripping, has also alleviateed the damage of horizontal power to the cell-phone interface; the interface box has rich interfaces, can simultaneously charge, read and write a USB flash disk and listen to songs, can use universal interface equipment such as the USB flash disk, earphones and the like without using an additional patch cord, can insert a Type-C mobile phone interface into a Type-C female connector when not used, and has reasonable design; the left side face and the right side face of the expansion interface box are both provided with fixing buckles for further fixing the OTG connecting wire; the support is arranged at the center of the top surface of the expansion interface box, so that the size is smaller, the supporting structure is more reasonable and compact, and the stability of the support is ensured.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

fig. 1 is a schematic structural diagram of an OTG cradle of a mobile phone in embodiment 1;

FIG. 2 is a schematic view of a connecting hole in embodiment 1;

FIG. 3 is a schematic view showing the mobile phone OTG holder of embodiment 1 mounted on a mobile phone;

FIG. 4 is a sectional view of the holder buckle in embodiment 1;

fig. 5 is a schematic view of an accommodation of the OTG connection line in embodiment 1;

fig. 6 is another schematic accommodating view of the OTG connection line in embodiment 1;

FIG. 7 is a schematic view showing the structure of a dust plug in embodiment 3;

figure 8 is a schematic side fillet and arc view of example 3.

The components represented by the reference numerals in the figures are:

1. OTG connecting wire, 11, Type-C cell-phone interface, 2, extension interface box, 21, the female first interface of USB-A, 22, 3.5mm earphone interface, 23, the female first interface of Type-C, 24, connecting hole, 25, fixed knot, 26, dustproof stopper, 27, recess, 3, support.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Example 1

Referring to fig. 1, fig. 1 is a schematic structural diagram of an OTG support of a mobile phone in this embodiment 1, including an OTG connecting wire 1, an expansion interface box 2 and a support 3, the support 3 is installed at the center of the top surface of the expansion interface box 2, one end of the OTG connecting wire 1 is a Type-C mobile phone interface 11, the Type-C mobile phone interface 11 is in an L shape, the other end of the OTG connecting wire is connected to the expansion interface box 2, the bottom surface of the expansion interface box 2 is flat and can be attached to the back surface of the mobile phone to be installed on the mobile phone, a side surface of the expansion interface box 2 is provided with a USB-a female connector 21, a 3.5mm earphone connector 22, a Type-C female connector 23 and a connecting hole 24, and the inside of the expansion interface box 2 is a PCB circuit board. The expansion interface box 2 is provided with various interfaces, so that the USB flash disk can be charged, read and write, and can listen to songs at the same time, and the USB flash disk, the earphone and other equipment with universal interfaces can be used without using an additional patch cord; combine fig. 1 and fig. 3, after inserting the cell-phone to Type-C cell-phone interface 11, can use USB-A female first interface 21 respectively or simultaneously, 3.5mm earphone interface 22 and the female first interface 23 of Type-C, USB-A female first interface 21 can be used for connecting general USB equipment like the USB flash disk, a mouse, etc., 3.5mm earphone interface 22 is used for wired earphone to connect, Type-C female first interface 23 is used for charging for the cell-phone, use finishes, can insert Type-C cell-phone interface 11 in Type-C female first interface 23, can restrict OTG connecting wire 1 swing, the female first interface of foreign matter jam has also been prevented.

As shown in fig. 2, the OTG connection line 1 is connected to the expansion interface box 2 through a connection hole 24.

Referring to fig. 3, when the L-Type-C mobile phone interface 11 is used and inserted into a mobile phone, the longitudinal extension length of the mobile phone is shortened compared with that of a general charging head, and the OTG connection line 1 can be quite naturally wound back to the expansion interface box 2 on the back of the mobile phone along the transverse direction, so that the comfort level during hand holding is improved. Because the mobile phone is inevitably touched with the charging interface when being charged, the transverse force is applied to the charging connector, so that the interface is loosened, and the L-shaped Type-C mobile phone interface 11 is adopted, so that the length is shortened, and the damage of the transverse force to the mobile phone interface is reduced; the expansion interface box 2 is provided with the support 3 at the center of the top surface, the center position is approximately the same as the actual gravity center of the mobile phone, the best supporting effect of the support 3 can be exerted, the supporting structure is more reasonable and compact, and the stability of the support can be ensured.

Referring to fig. 1, female first interface 23 of Type-C sets up the opposition side of connecting hole 24 on extension interface box 2, makes female first interface 23 of Type-C and connecting hole 24 distance farthest, because the length of OTG connecting wire 1 is fixed, after inserting Type-C cell-phone interface 11 back female first interface 23 of Type-C, but furthest's restriction OTG connecting wire 1 makes it can not swing at will.

Further, as shown in fig. 1 and fig. 4, a fixing buckle 24 is disposed on a side surface of the expansion interface box 2, and the fixing buckle 24 can fix the OTG connection line 1 on the side surface of the expansion interface box 2, so that the OTG connection line 1 can be fixed or removed only by applying a slight force.

Referring to fig. 5 and fig. 6, in this embodiment, the left side and the right side of the expansion interface box 2 are provided with a fixing buckle 24, the OTG connection line 1 can be automatically selected to be fixed on the left side or the right side of the expansion interface box 2, and the Type-C phone interface 11 is inserted into the Type-C female connector 23, so that the OTG connection line 1 can be fixed without loosening, and of course, the number of the fixing buckles 24 can be increased, so as to further fix the OTG connection line 1.

As shown in fig. 1 and fig. 6, the USB-a female connector 21 and the 3.5mm earphone connector 22 are disposed on the same side of the expansion connector box 2, after the OTG function is used up, the OTG connection line 1 can be fixed on the same side of the USB-a female connector 21 and the 3.5mm earphone connector 22, and the USB-a female connector 21 and the 3.5mm earphone connector 22 are shielded by the OTG connection line 1, so as to prevent the foreign object from being blocked.

Referring to fig. 1, a groove 27 is formed in the top surface of the expansion interface box 2, the bracket 3 is installed in the groove 27, the bracket 3 is a common rotatable support frame, and the depth of the groove 27 is greater than the thickness of the bracket 3, so that the bracket 3 does not protrude out of the top surface after being retracted. The top surface of the expansion interface box 2 is flat, and the mobile phone can be horizontally placed.

By the scheme of the embodiment, the L-Type-C mobile phone interface 11 is used, so that the OTG connecting wire can transversely return to the expansion interface box 2, the holding comfort level is improved, and the damage of transverse force to the mobile phone interface is reduced; the interface of the expansion interface box 2 is rich, the USB flash disk can be charged, read and written and the song can be listened, the universal interface equipment such as the USB flash disk, the earphone and the like can be used without using an additional patch cord, the Type-C mobile phone interface 11 can be inserted into the Type-C female connector 23 when the universal interface equipment is not used, and the design is reasonable; the left side surface and the right side surface of the expansion interface box 2 are both provided with fixing buckles 24 for further fixing the OTG connecting wire 1; install support 3 in the top surface center of expansion interface box 2, the volume is littleer, and bearing structure is more reasonable and compact, is enough to guarantee the steady of support.

Example 2

In consideration of the convenience of plugging, the USB-A female connector 21 and the 3.5mm earphone connector 22 are arranged on different sides of the expansion interface box 2, and when the USB-A female connector 21 and the 3.5mm earphone connector 22 are used simultaneously, when any one of the devices is pulled down, the other device is not touched, and the influence on the other device is avoided.

Example 3

As described in embodiment 1, the USB-a female connector 21 and the 3.5mm earphone connector 22 are disposed on the same side of the expansion interface box 2, and after the use of the OTG function is finished, the OTG connection line 1 can be fixed on the same side of the USB-a female connector 21 and the 3.5mm earphone connector 22, and the USB-a female connector 21 and the 3.5mm earphone connector 22 are shielded by the OTG connection line 1, so as to prevent the foreign object from being blocked. As a modified solution, referring to fig. 7, in this embodiment, the USB-a female connector 21 and the 3.5mm earphone connector 22 are provided with dust plugs 26, the dust plugs 26 are installed on the side surfaces of the expansion connector box 2, and the dust plugs 26 are covered when the connectors are not used, so that better waterproof and dustproof effects can be achieved. Preferably, the dust plug 26 is made of rubber material, and can be better embedded into the interface.

Referring to fig. 8, the connecting corners of the side surfaces of the expansion interface box 2 are rounded corners, the radius of the rounded corners is 1cm, the side surface where the connecting hole 24 is located has a certain radian, the radian is pi/4, the design of the rounded corners and the radians is adopted, the OTG connecting wire 1 can be prevented from being scratched and protected during daily contact to a certain extent, and when the OTG connecting wire 1 is wound on the side surface of the expansion interface box 2, the OTG connecting wire cannot be bent excessively.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a cell-phone OTG support, includes OTG connecting wire (1), the one end of OTG connecting wire (1) has Type-C cell phone interface (11), a serial communication port, the shape of Type-C cell phone interface (11) is the L Type, the other end of OTG connecting wire is connected with expansion interface box (2), the back laminating of the bottom surface and the cell-phone of expansion interface box (2), the side of expansion interface box (2) includes female first interface (21) of USB-A, 3.5mm earphone interface (22), female first interface (23) of Type-C and connecting hole (24), OTG connecting wire (1) is connected with expansion interface box (2) through connecting hole (24), support (3) are installed at the top surface center of expansion interface box (2).

2. The OTG (over the air) support of the mobile phone according to claim 1, wherein the Type-C female connector (23) is arranged at the opposite side of the connecting hole (24) of the expansion interface box (2).

3. An OTG handset support according to claim 2, wherein the USB-A female connector (21) and the 3.5mm earphone connector (22) are provided on the same side of the expansion interface box (2).

4. An OTG-cradle as claimed in claim 2, wherein the USB-a female interface (21) and the 3.5mm earphone interface (22) are arranged on different sides of the expansion interface box (2).

5. The OTG (over the air) support for the mobile phone according to claim 1, wherein a fixing buckle (25) is arranged on the side surface of the expansion interface box (2).

6. The OTG (over the air) support for mobile phones according to claim 5, wherein at least one fixing buckle (25) is arranged on the left side or the right side of the expansion interface box (2).

7. An OTG-holder for a handset according to claim 1, wherein the USB-A female connector (21) and the 3.5mm earphone connector (22) are provided with dust plugs (26), and the dust plugs (26) are mounted on the side of the expansion interface box (2).

8. The OTG (over the air) support for the mobile phone according to claim 1, wherein the connecting corners of the side surfaces of the expansion interface box (2) are rounded corners, and the radius of the rounded corners ranges from 0.3cm to 1 cm.

9. The OTG (on-the-go) support for the mobile phone according to claim 1, wherein the side where the connecting hole (24) is located has a certain radian, and the radian ranges from pi/4 to pi.

10. An OTG support for a mobile phone according to claim 1, wherein the top surface of the expansion interface box (2) is provided with a groove (27), the support (3) is installed in the groove (27), and the depth of the groove (27) is greater than the thickness of the support (3).