Type-c to USB adapter

Abstract

The utility model relates to the technical field of electronic equipment, in particular to a type-c to USB adapter which comprises a conversion circuit board, a type-c female end interface electrically connected with the conversion circuit board, a USB male end plug electrically connected with the conversion circuit board and a cover body used for covering the USB male end plug. The cover body comprises a protective sleeve arranged on the peripheral side face, a magnetic attraction block and a shell wrapping the protective sleeve and the magnetic attraction block, the magnetic attraction block covers the first opening and forms a containing cavity with the protective sleeve, the USB male end plug is provided with an iron sheet, the USB male end plug is inserted into the containing cavity, and the iron sheet and the magnetic attraction block attract each other and are fixed. According to the adapter for converting the type-c into the USB, the cover body with the magnetic attraction block is adopted, the cover body is provided with the containing cavity, the USB male end plug can be installed in the containing cavity, meanwhile, the cover body is provided with the magnetic attraction block, the cover body can be firmly connected with the USB male end plug, and falling off and losing are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic equipment, in particular to a type-c to USB adapter. Background Art

[0002] With the advancement of technology, various electronic devices, such as mobile phones, tablet computers, and laptops, have entered people's daily lives, greatly enriching people's daily lives. When the batteries of the above electronic devices are exhausted, they need to be quickly connected to a power source through a connector to charge the electronic devices.

[0003] The current adapter includes a protective cover, which can cover the adapter at one end to prevent the adapter from being damaged. The existing protective cover is easy to fall off and lose, which can easily damage the adapter. Utility Model Content

[0004] The purpose of the utility model is to provide a type-C to USB adapter, which adopts a cover body with a magnetic block. The cover body has a accommodating cavity, which can be equipped with a USB male plug. At the same time, the cover body has a magnetic block, which can be firmly connected to the USB male plug to avoid falling off and loss.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A type-C to USB adapter comprises a conversion circuit board, a type-C female interface electrically connected to the conversion circuit board, a USB male plug electrically connected to the conversion circuit board, and a cover body for covering the USB male plug, the cover body comprising a magnetic block, a protective cover arranged on the four sides, and a shell covering the protective cover and the magnetic block, one end of the protective cover is provided with a first opening, the other end of the protective cover is provided with a second opening, the magnetic block covers the first opening and forms a receiving cavity with the protective cover, the shell is provided with a third opening, the third opening and the second opening are located on the same side, the USB male plug is provided with an iron sheet, the USB male plug is inserted into the receiving cavity, and the iron sheet is attracted and fixed to the magnetic block.

[0007] Wherein, a plurality of conductive contacts are arranged on both sides of the USB male plug, the plurality of conductive contacts are electrically connected to the conversion circuit board, and the plurality of conductive contacts are arranged alternately.

[0008] Wherein, fixing ribs are arranged on both inner sides of the protective cover, the fixing ribs are in contact connection with the USB male plug, and the fixing ribs are arranged between two adjacent conductive contact sheets.

[0009] Among them, the conversion circuit board is provided with a functional chip, and the functional chip includes one or more of a fast charging module, a storage module, and an encryption module.

[0010] Among them, the type-c female end interface includes a port connector electrically connected to the conversion circuit board and a mounting seat arranged around the port connector, the mounting seat is fixedly connected to the conversion circuit board, and an annular plug-in cavity is provided between the port connector and the mounting seat.

[0011] Wherein, the magnetic attraction block is a magnet.

[0012] The beneficial effects produced by the utility model are as follows: the type-c to USB adapter of the utility model includes a conversion circuit board, a type-c female interface electrically connected to the conversion circuit board, a USB male plug electrically connected to the conversion circuit board, and a cover body for covering the USB male plug. The adapter of the utility model can realize the conversion connection between type-c and USB types of interfaces, and has good practicality. In addition, a cover body is provided at one end of the USB male plug, which can cover the USB male plug, thereby playing a protective role, avoiding collision damage or rust caused by water during use, thereby achieving the effect of extending the service life. Specifically, the USB male plug is provided with an iron sheet on one side close to the cover body, and the accommodating cavity of the cover body is provided with a magnetic block. The iron sheet and the magnetic block can attract each other, thereby realizing an attractive fixed connection, improving the connection firmness of the cover body, and reducing the chance of the cover body falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the Type-C to USB adapter of the utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the type-c to USB adapter of the present invention with the cover opened.

[0015] Figure 3 This is a schematic diagram of the structure of the hidden cover of the Type-C to USB adapter of the present invention.

[0016] Figure 4 This is a schematic diagram of the exploded structure of the Type-C to USB adapter of the present invention.

[0017] Figure 5 It is a structural schematic diagram of the cover body of the utility model.

[0018] Figure 6 This is a schematic diagram of the structure of the fast charging chip of the present utility model.

[0019] In the figure: 1. conversion circuit board; 2. type-c female interface; 21. port connector; 22. mounting base; 3. USB male plug; 31. iron sheet; 32. conductive contact; 4. cover; 41. magnetic block; 42. protective cover; 421. fixing rib; 43. outer shell; 44. accommodating cavity. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0021] See also Figure 1-6 , a type-c to USB adapter of the present embodiment comprises a conversion circuit board 1, a type-c female interface 2 electrically connected to the conversion circuit board 1, a USB male plug 3 electrically connected to the conversion circuit board 1, and a cover body 4 for covering the USB male plug 3, the cover body 4 comprises a protective cover 42 arranged on the four sides, a magnetic block 41, and a shell 43 covering the protective cover 42 and the magnetic block 41, one end of the protective cover 42 is provided with a first opening, the other end of the protective cover 42 is provided with a second opening, the magnetic block 41 covers the first opening and forms a receiving cavity 44 with the protective cover 42, the shell 43 is provided with a third opening, and the third opening and the second opening are located on the same side, the USB male plug 3 is provided with an iron sheet 31, the USB male plug 3 is inserted into the receiving cavity 44, and the iron sheet 31 and the magnetic block 41 are attracted and fixed to each other.

[0022] The type-c to USB adapter of the utility model includes a conversion circuit board 1, a type-c female interface 2 electrically connected to the conversion circuit board 1, a USB male plug 3 electrically connected to the conversion circuit board 1, and a cover body 4 for covering the USB male plug 3. The adapter of the utility model can realize the conversion connection between type-c and USB interfaces, and has good practicality. In addition, a cover body 4 is provided at one end of the USB male plug 3, which can cover the USB male plug 3, thereby playing a protective role, avoiding collision damage or rust caused by water during use, thereby achieving the effect of extending the service life. Specifically, the USB male plug 3 is provided with an iron sheet 31 on one side close to the cover body 4, and the accommodating cavity 44 of the cover body 4 is provided with a magnetic suction block 41. The iron sheet 31 and the magnetic suction block 41 can attract each other, thereby realizing an attractive fixed connection, improving the connection firmness of the cover body 4, and reducing the probability of the cover body falling off.

[0023] The adapter of this embodiment adopts a magnetic cover body 4, which can be opened multiple times and automatically closed under the action of the magnetic block 41, forming a decompression toy that is easy to carry, has multiple uses, and is practical.

[0024] See also Figure 4 In this embodiment, conductive contacts 32 are provided on both sides of the USB male plug 3, and the conductive contacts 32 are electrically connected to the conversion circuit board 1. Both sides of the USB male plug 3 are provided with conductive contacts 32, so that both sides of the USB male plug 3 can be used, thereby improving the convenience of using the USB male plug 3.

[0025] See also Figure 5In this embodiment, fixing ribs 421 are provided on both inner sides of the protective cover 42, and the fixing ribs 421 are in contact with the USB male plug 3. The fixing ribs 421 can increase the connection firmness between the cover 4 and the USB male plug 3, and prevent the cover 4 from being easily separated from the USB male plug 3. The fixing ribs 421 are arranged between two adjacent conductive contact sheets 32, so as to prevent the fixing ribs 421 from rubbing against the conductive contact sheets 32 and causing damage when the cover 4 is opened or closed for many times.

[0026] See also Figure 6 The conversion circuit board 1 of this embodiment is provided with a functional chip, which includes one or more of a fast charging module, a storage module, and an encryption module. The fast charging module can increase the charging speed of the adapter and reduce the charging time. The storage module can improve the storage function and be integrated with the adapter into an OTG USB flash drive or an ordinary USB flash drive. It can also include an encryption module to form an encrypted USB shield.

[0027] Specifically, the fast charging module includes a logic controller, a power supply control switch circuit, a USB port unplugging detection circuit and the USB port insertion detection circuit; wherein, the logic controller has a first port A1, a second port A2 and a third port A3, the power supply control switch circuit is connected to the first port A1 of the logic controller, the output end of the first amplifier F1 of the USB port insertion detection circuit is connected to the second port A2 of the logic controller, and the USB port unplugging detection circuit is connected to the third port A3 of the logic controller.

[0028] Further, a USB port insertion detection circuit is provided, wherein the USB port insertion detection circuit includes a first amplifier F1, a first resistor R1, a diode, a current source and a power supply terminal VDD; wherein one end of the current source is connected to one end of the first resistor R1, the other end of the first resistor R1 is connected to the non-inverting input terminal of the first amplifier F1, the connection point between the other end of the first resistor R1 and the non-inverting input terminal of the first amplifier F1 is connected to the positive electrode of the diode, the inverting input terminal of the first amplifier F1 is used to input a reference voltage Vref, and the other end of the current source is connected to the power supply terminal VDD.

[0029] Further, the power supply control switch circuit includes an NMOS tube and a charge pump; wherein the charge pump has a first port B1, a second port B2 and a third port B3, the first port B1 of the charge pump is connected to the gate of the NMOS tube, the second port B2 of the charge pump is connected to the source of the NMOS tube, and the third port B3 of the charge pump is connected to the first port A1 of the logic controller.

[0030] Furthermore, the USB port unplugging detection circuit includes a second amplifier F2 and a second resistor R2; wherein the second resistor R2 is coupled between the non-inverting input terminal of the second amplifier F2 and the inverting input terminal of the second amplifier F2, the connection node between the second resistor R2 and the inverting input terminal of the second amplifier F2 is connected to the ground line, and the output terminal of the second amplifier F2 is connected to the third port A3 of the logic controller.

[0031] See also Figure 3 The type-c female interface 2 of this embodiment includes a port connector 21 electrically connected to the conversion circuit board 1 and a mounting seat 22 arranged around the port connector 21. The mounting seat 22 is fixedly connected to the conversion circuit board 1, and an annular plug-in cavity is provided between the port connector 21 and the mounting seat 22. The type-c female terminal is provided with a port connector 21, and a mounting seat 22 is provided around the port connector 21. An annular plug-in cavity is formed between the mounting seat 22 and the port connector 21 to improve the connection firmness between the type-c female interface 2 and the plug. Moreover, the annular plug-in cavity does not need to distinguish between the front and back sides, and both sides can be used, which is highly practical. Preferably, the magnetic suction block 41 is a magnet.

[0032] See also Figure 3 The type-c female interface 2 of this embodiment includes a port contact 21 electrically connected to the conversion circuit board 1 and a mounting seat 22 arranged around the port contact 21. The mounting seat 22 is fixedly connected to the conversion circuit board 1, and an annular plug-in cavity is provided between the port contact 21 and the mounting seat 22. The mounting seat 22 is arranged around the port contact 21, thereby forming an annular plug-in cavity, so that the plug is inserted into the type-c female interface 2 for a more secure connection. Specifically, the magnetic block 41 is a magnet.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A type-c to USB adapter, characterized by: It includes a conversion circuit board, a type-c female interface electrically connected to the conversion circuit board, a USB male plug electrically connected to the conversion circuit board, and a cover body for covering the USB male plug, the cover body includes a magnetic block, a protective cover arranged on the four sides, and a shell covering the protective cover and the magnetic block, one end of the protective cover is provided with a first opening, the other end of the protective cover is provided with a second opening, the magnetic block covers the first opening and forms a accommodating cavity with the protective cover, the shell is provided with a third opening, the third opening and the second opening are located on the same side, the USB male plug is provided with an iron sheet, the USB male plug is inserted into the accommodating cavity, and the iron sheet is attracted and fixed to the magnetic block.

2. The type-c to USB adapter according to claim 1, characterized in that: A plurality of conductive contacts are arranged on both sides of the USB male plug, the plurality of conductive contacts are electrically connected to the conversion circuit board, and the plurality of conductive contacts are arranged alternately.

3. The type-c to USB adapter according to claim 2, characterized in that: The two inner sides of the protective cover are provided with fixing ribs, the fixing ribs are in contact with the USB male plug, and the fixing ribs are arranged between two adjacent conductive contact sheets.

4. The type-c to USB adapter according to claim 1, characterized in that: The conversion circuit board is provided with a functional chip, and the functional chip includes one or more of a fast charging module, a storage module, and an encryption module.

5. The type-c to USB adapter according to claim 1, characterized in that The type-c female interface includes a port connector electrically connected to a conversion circuit board and a mounting seat arranged around the port connector. The mounting seat is fixedly connected to the conversion circuit board, and an annular plug-in cavity is provided between the port connector and the mounting seat.

6. The type-c to USB adapter according to claim 1, characterized in that : The magnetic block is a magnet.

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