CN113517591A

CN113517591A - USB interface and electronic equipment

Info

Publication number: CN113517591A
Application number: CN202110783077.0A
Authority: CN
Inventors: 林振业; 朱中武
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-10-19
Also published as: WO2023284610A1

Abstract

The application discloses a USB interface and electronic equipment, wherein the USB interface comprises a terminal module, a first shell, a second shell and a bonding sealing piece; the terminal module is arranged in the first shell in a penetrating mode, a sealing cavity is formed between one end, facing a terminal pin of the terminal module, of the first shell and the terminal module, the bonding sealing element is filled in the sealing cavity, and the bonding sealing element is connected with the first shell and the terminal module in a sealing mode; the second shell is covered at one end of a terminal pin of the terminal module, a sealing channel is arranged between the second shell and the terminal module, one end of the sealing channel is communicated with the sealing cavity, an avoiding opening is formed at one end of the second shell, which is far away from the sealing cavity, the sealing channel is communicated with the outside through the avoiding opening, and the avoiding direction of the avoiding opening is far away from the arrangement direction of the terminal pin; a fluid-like sealing adhesive may enter the sealing channel through the relief opening and flow through the sealing channel to the sealing cavity to form a bonded seal within the sealing cavity. Therefore, the sealing performance of the USB interface can be improved.

Description

USB interface and electronic equipment

Technical Field

The application belongs to the technical field of electronic products, and particularly relates to a USB interface and electronic equipment.

Background

With the development of the technology, the application scenarios of electronic devices such as mobile phones are increasing, and the requirements on the comprehensive performance of the electronic devices are also increasing, especially the waterproof performance of the electronic devices. The USB (Universal Serial Bus) interface is used as an external interface for standard configuration of electronic equipment, and the waterproof performance of the electronic equipment is determined by the good and poor waterproof performance of the USB interface.

At present, the waterproof performance of the USB interface is generally improved by a glue sealing method. For example, under the condition that the USB interface is C Type USB interface, the USB interface is the condition of Type-C interface promptly, and the in-process on the circuit board can be seen to Type-C interface at surface mounting technique and return circuit welding antithetical couplet, and sealing glue on the Type-C interface can have the problem of the sealed inefficacy of certain proportion, and then influences the sealing performance of Type-C interface.

Therefore, the USB interface in the related art has the problem of poor sealing performance.

Disclosure of Invention

The application aims to provide a USB interface and electronic equipment, and the problem that the sealing performance of the USB interface in the related technology is poor can be solved.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides a USB interface, including a terminal module, a first housing, a second housing, and an adhesive seal;

the terminal module is arranged in the first shell in a penetrating mode, a sealing cavity is formed between one end, facing a terminal pin of the terminal module, of the first shell and the terminal module, the bonding sealing piece is filled in the sealing cavity, and the bonding sealing piece is connected with the first shell and the terminal module in a sealing mode;

the second shell is covered at one end of the terminal pin of the terminal module, a sealing channel is arranged between the second shell and the terminal module, one end of the sealing channel is communicated with the sealing cavity, an avoiding opening is formed at one end of the second shell, which is far away from the sealing cavity, the sealing channel is communicated with the outside through the avoiding opening, and the avoiding direction of the avoiding opening is far away from the setting direction of the terminal pin;

wherein a fluid-like sealing adhesive can enter the sealing channel through the relief opening and flow through the sealing channel to the sealing cavity to form the adhesive seal within the sealing cavity.

In a second aspect, an embodiment of the present application provides an electronic device, which includes the USB interface of the first aspect.

In the embodiment of this application, through set up on the second casing and dodge the opening, can inject or fill the sealed adhesive of fluid form in to sealed passageway through dodging the opening like this to make the sealed adhesive of fluid form can flow to sealed chamber through sealed passageway, with form the bonding sealing member in sealed chamber, and then realize the sealing connection of first casing and terminal module, promote the waterproof dustproof performance and the sealing performance of USB interface.

Additional aspects and advantages of the present application 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 present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a USB interface according to an embodiment of the present application;

fig. 2 is a second schematic structural diagram of a USB interface according to an embodiment of the present application;

FIG. 3 is an exploded view of a USB interface provided in an embodiment of the present application;

fig. 4 is a third schematic structural diagram of a USB interface according to an embodiment of the present application;

fig. 5 is a fourth schematic structural diagram of a USB interface according to an embodiment of the present application;

fig. 6 is an enlarged view of the region a illustrated in fig. 5;

fig. 7 is a fifth schematic structural diagram of a USB interface according to an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a second housing provided in an embodiment of the present application;

fig. 9 is a sixth schematic structural diagram of a USB interface according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a first housing provided in an embodiment of the present application;

fig. 11 is a seventh schematic structural diagram of a USB interface according to an embodiment of the present application;

fig. 12 is an enlarged view of the region B illustrated in fig. 11;

FIG. 13 is a schematic structural diagram of a shielding cage according to an embodiment of the present application;

fig. 14 is an eighth schematic structural diagram of a USB interface according to an embodiment of the present application;

fig. 15 is an enlarged view of the region C illustrated in fig. 14;

fig. 16 is a ninth schematic structural diagram of a USB interface according to an embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1 to 16, an embodiment of the present invention provides a USB interface, which can be applied to an electronic device such as a mobile phone and a tablet computer, and includes a terminal module 10, a first housing 20, a second housing 30 and an adhesive sealing member 40;

the terminal module 10 is arranged in the first housing 20 in a penetrating manner, a sealing cavity 50 is formed between one end of the first housing 20 facing the terminal pin of the terminal module 10 and the terminal module 10, the bonding sealing element 40 is filled in the sealing cavity 50, and the bonding sealing element 40 is used for connecting the first housing 20 and the terminal module 10 in a sealing manner;

the second shell 30 is covered on one end of a terminal pin of the terminal module 10, a sealing channel 60 is arranged between the second shell 30 and the terminal module 10, one end of the sealing channel 60 is communicated with the sealing cavity 50, an avoiding opening 31 is formed at one end of the second shell 30, which is far away from the sealing cavity 50, the sealing channel 60 is communicated with the outside through the avoiding opening 31, and the avoiding direction of the avoiding opening 31 is far away from the arrangement direction of the terminal pin;

wherein the fluid sealing adhesive can enter the sealing channel 60 through the escape opening 31 and flow to the sealing chamber 50 via the sealing channel 60 to form the adhesive seal 40 in the sealing chamber 50.

In the present embodiment, by providing the avoiding opening 31 on the second housing 30, the fluid-like sealing adhesive can be injected or filled into the sealing channel 60 through the avoiding opening 31, and the fluid-like sealing adhesive can flow into the sealing cavity 50 through the sealing channel 60, so as to form the adhesive sealing member 40 in the sealing cavity 50, thereby achieving the sealing connection between the first housing 20 and the terminal module 10, and improving the waterproof and dustproof performance of the USB interface.

It is understood that, as shown in fig. 5 to 9, by setting the escape direction of the escape opening 31 away from the arrangement direction of the terminal pin, that is, the escape direction of the escape opening 31 is set perpendicular to the tongue plate of the terminal module 10, so that the injection or filling of the sealing adhesive can be performed in the direction perpendicular to the tongue plate of the terminal module 10, the USB interface may be first disposed on the circuit board, that is, the terminal pins of the USB interface may be first soldered to the circuit board, and then the adhesive sealing member 40 is formed by injecting or filling the fluid-like sealing adhesive, namely, the expansion effect of the high temperature generated by welding on the bonded seal member, namely, the influence on the bonding performance of the bonded seal member 40 caused by the high temperature expansion, and then reach the purpose of improving the sealed bonding effect of bonding sealing member 40 to make the USB interface that this application provided can satisfy IP68 level waterproof dustproof requirement.

By providing the avoiding opening 31 in the second housing 30, the assembly sequence of the USB interface can be realized, and by improving the assembly sequence of the USB interface, that is, by performing the assembly sequence of welding first and then providing the sealing adhesive member 40, the influence of the high temperature generated by the welding of the terminal pins on the sealing adhesive effect of the adhesive sealing member 40 can be avoided, and the purpose of improving the sealing adhesive effect of the adhesive sealing member 40 can be achieved.

As shown in fig. 4, after the USB interface is soldered to the circuit board 200 through the terminal pin, since the avoiding direction of the avoiding opening 31 is far away from the setting direction of the terminal pin, that is, the avoiding direction of the avoiding opening 31 is perpendicular to the tongue plate of the terminal module 10, that is, the plugging direction of the USB interface is parallel to the circuit board 200, that is, the USB interface is laid on the circuit board 200; at this time, a device such as a glue sprayer or a glue dispenser may be used to spray or fill the fluid sealing adhesive into the sealing channel 60 from directly above the USB port through the escape opening 31, so that the fluid sealing adhesive flows along the sealing channel 60 to the sealing cavity 50, and the adhesive sealing member 40 is formed in the sealing cavity 50, thereby achieving the sealing connection between the first housing 20 and the terminal module 10.

Moreover, since the fluid-like sealing adhesive can be injected or filled into the sealing cavity 50 from a direction perpendicular to the tongue plate of the terminal module 10, a plurality of USB interfaces can be distributed on the circuit board 200 according to a certain ordering relationship, thereby achieving batch dispensing processing of the USB interfaces and improving dispensing efficiency of the USB interfaces.

In some embodiments, the first housing 20 may be a metal housing, such as an iron shell, for the purpose of improving the structural strength of the first housing 20; the second casing 30 may also be a metal casing, such as a sheet iron casing, so as to achieve the purpose of improving the structural strength of the second casing 30. Moreover, by providing the first casing 20 and the second casing 30 as metal casings, the first casing 20 and the second casing 30 can also function as shielding cases, and after the USB interface is assembled to an electronic device such as a mobile phone, the signal interference effect between the USB interface and other functional devices of the electronic device can also be reduced.

The terminal module 10 includes a base, a tongue plate, and a terminal, the tongue plate may extend from a side wall of the base to form the terminal, the terminal is assembled on the base and the tongue plate, the terminal forms a terminal pin assembled on the base in a direction perpendicular to the tongue plate, the terminal pin is used for electrically connecting with the circuit board, that is, the terminal pin may be connected with a soldering contact on the circuit board by soldering, so as to realize electrical connection between the USB interface and the circuit board.

Alternatively, as shown in fig. 5 and 6, the blocking portion 11 is provided at a position corresponding to the escape opening 31 of the terminal module 10, and a side wall of the blocking portion 11 facing the sealing channel 60 is tapered.

In the present embodiment, the blocking portion 11 is provided in the terminal module 10, so that the blocking portion 11 can block the fluid sealing adhesive from overflowing from the sealing passage 60 in the process of injecting or filling the fluid sealing adhesive into the sealing passage 60 through the escape opening 31, thereby improving the injection effect or filling effect of the fluid sealing adhesive.

Wherein, separation portion 11 can with the base integrated into one piece of terminal module 10 to promote separation portion 11's separation effect, can also promote terminal module 10's wholeness simultaneously, and simplify the assembly flow of USB interface.

It will be appreciated that at the end of the sealing channel 60 remote from the sealing chamber 50, the dam 11 in this application may act as a dam and serve the purpose of increasing the availability of the fluid-like sealing adhesive.

Alternatively, as shown in fig. 10 to 12, the inner side wall of the first housing 20 and the adhesive seal 40 is provided with a groove structure 21, and the groove structure 21 is fittingly connected with the adhesive seal 40.

In this embodiment, by providing the groove structure 21, the contact area between the adhesive seal 40 and the inner sidewall of the first housing 20 can be increased, and the adhesive force between the adhesive seal 40 and the first housing 20 can be increased, thereby achieving the purpose of improving the sealing and bonding effect and the sealing reliability of the adhesive seal 40.

In an example, the groove structures 21 may be uniformly distributed on the inner side wall of the annular first housing 20 at intervals, so as to achieve the effect of improving the adhesive sealing effect between the adhesive sealing member 40 and the entire inner side wall of the first housing 20.

Alternatively, as shown in fig. 7 to 9, the second housing 30 is provided with a limiting structure 32, and the limiting structure 32 abuts against the base of the terminal module 10 to limit the base from moving in a direction away from the first housing 20.

In this embodiment, the limiting structure 32 limits the movement of the base of the terminal module 10 in the direction away from the first housing 20, so as to prevent the adhesive sealing member 40 from being pulled by the base in the moving process, and prevent the adhesive sealing member 40 from failing in the pulling process.

Wherein, in the assembly process of USB interface, second casing 30 can be through mode and first casing 20 fixed connection of spot welding, and the USB interface can be fixed on locating the circuit board through the ear of first casing 20, then can be through locating limit structure 32 on second casing 30 and the base butt of terminal module 10 to the restriction base removes towards the direction of keeping away from first casing 20, realizes the spacing to the base promptly.

In an example, the limiting structure 32 may be disposed at an end of the second housing 30 away from the first housing 20, and may be in the form of a limiting elastic sheet, and abuts against a side wall of the base away from the tongue plate, so as to limit the movement of the base.

Optionally, as shown in fig. 13 to 15, the USB interface further includes a shielding cover 70, and the shielding cover 70 is disposed on the second housing 30.

In this embodiment, the anti-interference capability of the USB interface can be further improved by providing the shielding case 70, so as to improve the data transmission performance of the USB interface.

In the assembly process of the USB interface, the terminal pins of the USB interface may be welded to the circuit board, the adhesive sealing member 40 is formed in the sealing cavity 50, and the shielding cover 70 is covered on the second housing 30.

Further optionally, the shielding cover 70 is provided with a protrusion 71, and the second housing 30 is provided with a groove 33 adapted to the protrusion 71, so that the shielding cover 70 and the second housing 30 can be fixedly connected by clamping the protrusion 71 and the groove 33, and the stability of the connection between the shielding cover 70 and the second housing 30 is improved.

In one example, protrusions/grooves may be provided on all the abutting surfaces of the shielding cover 70 and the second housing 30, that is, the number of contact connection contacts of the shielding cover 70 and the second housing 30 may be increased, so as to further improve the stability of the connection of the shielding cover 70 and the second housing 30.

As shown in fig. 16, when the first housing 20 and the second housing 30 are both metal housings, a spring piece 72 may be provided on a side of the shield case 70 away from the terminal pin, and the spring piece 72 may be configured to abut against a motherboard upper cover 300 of the electronic device. In this way, the first housing 20 can be connected to the motherboard upper cover 300 sequentially through the second housing 30, the shielding cover 70, and the elastic sheet 72, so that the first housing 20 can be grounded.

Moreover, under the condition that the USB interface is assembled to the motherboard upper cover 300, the lower pressure generated by the motherboard upper cover 300 on the elastic sheet 72 can press the shielding case 70 on the second housing 30 better, and the connection between the shielding case 70 and the second housing 30 is more stable and reliable.

The number of the elastic pieces 72 may be one, two or more, and the elastic pieces may be transversely disposed on the shield cover 70 or longitudinally disposed on the shield cover 70.

Further, the elastic piece 72 and the shielding case 70 are an integral structure and may be formed by an integral molding method.

Optionally, an end of the first casing 20 away from the second casing 30 is sleeved with a sealing ring 80, so that after the USB interface is assembled on the target device, the sealing ring 80 can sealingly connect the first casing 20 and the target device to improve the waterproof performance of the USB interface of the target device.

It should be noted that the USB interface in the embodiment of the present application may be a Type-C interface.

It is understood that the waterproof level of the USB interface in the present application may also be IPX 4-IPX 7, etc.

The embodiment of the application also provides electronic equipment which comprises the USB interface.

It should be noted that the implementation manner of the above-mentioned USB interface embodiment is also applicable to the embodiment of the electronic device, and can achieve the same technical effect, and details are not described herein again.

The electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a Personal Digital Assistant (PDA), etc.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A Universal Serial Bus (USB) interface is characterized by comprising a terminal module, a first shell, a second shell and an adhesive sealing piece;

2. The USB interface according to claim 1, wherein a blocking portion is disposed at a position of the terminal module corresponding to the avoiding opening, and a side surface of the blocking portion facing the sealing channel is a tapered surface.

3. The USB interface of claim 1, wherein the inner sidewall of the first housing connected to the adhesive seal is provided with a groove structure, and the groove structure is fittingly connected to the adhesive seal.

4. The USB interface of claim 3, wherein the groove structures are spaced and evenly distributed on the inner annular wall.

5. The USB interface according to claim 1, wherein the second housing is provided with a limiting structure, and the limiting structure abuts against a base of the terminal module to limit the base from moving in a direction away from the first housing.

6. The electronic device of claim 1, wherein an end of the first housing distal from the second housing is sleeved with a sealing ring.

7. The USB interface according to any one of claims 1 to 6, wherein the USB interface further comprises a shield cover disposed on the second housing.

8. The USB interface according to claim 7, wherein the shield cover has a protrusion, the second housing has a groove adapted to the protrusion, and the shield cover is disposed on the second housing by engaging the protrusion with the groove.

9. The USB interface according to claim 7, wherein a spring is disposed on a side of the shield case away from the terminal pin, and the spring is configured to abut against an upper cover of a motherboard of an electronic device.

10. An electronic device, characterized in that it comprises a USB interface according to any one of claims 1 to 9.