WO2023284610A1

WO2023284610A1 - Usb interface and electronic device

Info

Publication number: WO2023284610A1
Application number: PCT/CN2022/104137
Authority: WO
Inventors: 林振业; 朱中武
Original assignee: 维沃移动通信有限公司
Priority date: 2021-07-12
Filing date: 2022-07-06
Publication date: 2023-01-19
Also published as: CN113517591A

Abstract

Disclosed in the present application are a USB interface and an electronic device. The USB interface comprises a terminal module, a first housing, a second housing and an adhesive sealing element, wherein the terminal module penetrates the first housing, a sealing cavity is provided between the terminal module and the end of the first housing that faces a terminal pin of the terminal module, the sealing cavity is filled with an adhesive sealing member, and the adhesive sealing member connects the first housing and the terminal module in a sealing manner; the second housing covers the end of the terminal module that the terminal pin is located in, a sealing channel is arranged between the second housing and the terminal module, one end of the sealing channel is in communication with the sealing cavity, a yielding opening is provided in the end of the second housing that is away from the sealing cavity, the sealing channel is in communication with the outside by means of the yielding opening, and a yielding direction of the yielding opening is away from a setting direction of the terminal pin; and a fluid-state sealing adhesive can enter the sealing channel by means of the yielding opening and flow to the sealing cavity by means of the sealing channel, so as to form the adhesive sealing member in the sealing cavity.

Description

USB interface and electronic equipment

Cross References to Related Applications

This application claims priority to Chinese Patent Application No. 202110783077.0 filed in China on Jul. 12, 2021, the entire contents of which are hereby incorporated by reference.

technical field

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

Background technique

With the development of technology, there are more and more application scenarios of electronic devices such as mobile phones, and the requirements for the comprehensive performance of electronic devices are also getting higher and higher, especially the waterproof performance of electronic devices. The Universal Serial Bus (USB) interface is a standard external interface for electronic equipment, and its waterproof performance determines the waterproof performance of electronic equipment.

At present, the waterproof performance of the USB interface is generally improved by sealing with glue. For example, when the USB interface is a Type-C USB interface, that is, when the USB interface is a Type-C interface, the Type-C interface can be seen on the circuit board in surface mount technology and loop soldering. The sealing glue on the -C interface will have a certain proportion of sealing failure problems, which will affect the sealing performance of the Type-C interface.

It can be seen that the USB interface in the related art has the problem of poor sealing performance.

Contents of the invention

The purpose of the present application is to provide a USB interface and electronic equipment, which can solve the problem of poor sealing performance of the USB interface in the related art.

In order to solve the above-mentioned technical problems, the application is implemented as follows:

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

The terminal module is passed through the first housing, and there is a sealed cavity between the end of the first housing facing the terminal pin of the terminal module and the terminal module, and the adhesive An adhesive seal is filled in the sealing cavity, and the adhesive seal is hermetically connected to the first housing and the terminal module;

The second housing cover is arranged on one end of the terminal pin of the terminal module, and there is a sealing channel between the second housing and the terminal module, and one end of the sealing channel is connected to the terminal module. The sealed chamber is connected to each other, and an escape opening is formed on the end of the second housing away from the sealed chamber, the sealed channel communicates with the outside through the avoiding opening, and the avoiding direction of the avoiding opening is far away from the terminal leads. The setting direction of the feet;

Wherein, the fluid-like sealing adhesive can enter the sealing channel through the escape opening, and flow to the sealing cavity through the sealing channel, so as to form the adhesive seal in the sealing cavity.

In a second aspect, the embodiment of the present application provides an electronic device, including the USB interface described in the first aspect.

In the embodiment of the present application, by setting the avoidance opening on the second housing, the fluid-like sealing adhesive can be injected or filled into the sealing channel through the avoidance opening, and the fluid-like sealing adhesive can pass through The sealing channel flows to the sealing chamber to form an adhesive seal in the sealing chamber, thereby realizing the sealed connection between the first housing and the terminal module, and improving the waterproof and dustproof performance and sealing performance of the USB interface.

Additional aspects and advantages of the 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 application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is one of the structural representations of the USB interface provided by the embodiment of the present application;

Fig. 2 is the second structural diagram of the USB interface provided by the embodiment of the present application;

FIG. 3 is an exploded schematic diagram of a USB interface provided by an embodiment of the present application;

Fig. 4 is the third structural diagram of the USB interface provided by the embodiment of the present application;

Fig. 5 is the fourth structural diagram of the USB interface provided by the embodiment of the present application;

Figure 6 is an enlarged view of the A region illustrated in Figure 5;

Fig. 7 is the fifth structural diagram of the USB interface provided by the embodiment of the present application;

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

Fig. 9 is the sixth schematic diagram of the structure of the USB interface provided by the embodiment of the present application;

Fig. 10 is a schematic structural diagram of the first housing provided by the embodiment of the present application;

Fig. 11 is the seventh structural diagram of the USB interface provided by the embodiment of the present application;

FIG. 12 is an enlarged view of the B area illustrated in FIG. 11;

Fig. 13 is a schematic structural diagram of a shielding cover provided by an embodiment of the present application;

Fig. 14 is the eighth structural diagram of the USB interface provided by the embodiment of the present application;

Figure 15 is an enlarged view of area C illustrated in Figure 14;

FIG. 16 is a ninth schematic diagram of the structure of the USB interface provided by the embodiment of the present application.

detailed description

Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

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

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

As shown in Figures 1 to 16, the embodiment of the present application provides a USB interface, which can be applied to electronic devices such as mobile phones and tablet computers, and the USB interface includes a terminal module 10, a first housing 20, second housing 30 and adhesive seal 40;

The terminal module 10 is installed in the first casing 20, and there is a sealing cavity 50 between the end of the first casing 20 facing the terminal pins of the terminal module 10 and the terminal module 10, and the adhesive sealing member 40 is filled with a sealing cavity 50. in the sealing cavity 50, and the adhesive sealing member 40 is hermetically connected to the first housing 20 and the terminal module 10;

The second housing 30 covers one end of the terminal pin of the terminal module 10, and there is a sealing channel 60 between the second housing 30 and the terminal module 10, and one end of the sealing channel 60 communicates with the sealing cavity 50, and the second An avoidance opening 31 is formed on the end of the housing 30 away from the sealing chamber 50, the sealing channel 60 communicates with the outside world through the avoidance opening 31, and the avoidance direction of the avoidance opening 31 is away from the arrangement direction of the terminal pins;

Wherein, the fluid sealing adhesive can enter the sealing channel 60 through the escape opening 31 , and flow to the sealing cavity 50 through the sealing channel 60 to form the adhesive seal 40 in the sealing cavity 50 .

In this embodiment, by setting the escape opening 31 on the second housing 30, the fluid sealing adhesive can be injected or filled into the sealing channel 60 through the escape opening 31, and the fluid sealing adhesive can be Flow through the sealing channel 60 to the sealing chamber 50 to form the adhesive seal 40 in the sealing chamber 50, thereby realizing the sealed connection between the first housing 20 and the terminal module 10, and improving the waterproof and dustproof performance of the USB interface.

It can be understood that, as shown in FIGS. 5 to 9 , by setting the avoidance direction of the avoidance opening 31 away from the installation direction of the terminal pins, that is, the avoidance direction of the avoidance 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 realized along the direction perpendicular to the tongue plate of the terminal module 10, that is, the USB interface can be arranged on the circuit board first, that is, the connection between the terminal pins of the USB interface and the circuit board can be realized first. Welding is set, and then injecting or filling fluid-like sealing adhesive to form the bonding seal 40, that is, avoiding the expansion effect of the high temperature generated by welding on the bonding seal, that is, avoiding the thermal expansion caused by high temperature expansion. The influence of the bonding performance of the sealing member 40, and then achieve the purpose of improving the sealing and bonding effect of the bonding sealing member 40, so that the USB interface provided by the application can meet the enclosure protection level (Ingress Protection, IP protection level) is IP68 Level of waterproof and dustproof requirements.

In this way, by setting the avoidance opening 31 on 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 implementing the assembly sequence of first welding and then setting the adhesive seal 40, to avoid The high temperature generated by the soldering of the terminal pins has an influence on the sealing and bonding effect of the adhesive sealing member 40 , and achieves the purpose of improving the sealing and bonding effect of the adhesive sealing member 40 .

As shown in Figure 4, after the USB interface is welded to the circuit board 200 through the terminal pins, and because the avoidance direction of the avoidance opening 31 is far away from the setting direction of the terminal pins, that is, the avoidance direction of the avoidance opening 31 is perpendicular to the direction of the terminal module 10. The tongue plate, that is, the plugging direction of the USB interface is parallel to the circuit board 200, that is, the USB interface is placed flat on the circuit board 200; at this time, the avoidance opening can be passed directly above the USB interface through equipment such as a glue sprayer or a glue dispenser. 31 spray or fill the fluid-like sealing adhesive into the sealing passage 60, so that the fluid-like sealing adhesive flows to the sealing chamber 50 along the sealing passage 60, and forms the bonding seal 40 in the sealing chamber 50, so as to realize The sealing connection between the first housing 20 and the terminal module 10 .

Moreover, since the sealing cavity 50 can be sprayed or filled with fluid-like sealing adhesive from the 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 sequence relationship. In this way, the batch dispensing process of the USB interface can be realized, and the dispensing efficiency of the USB interface can be improved.

In some embodiments, the first shell 20 can be a metal shell, such as an iron shell, to achieve the purpose of improving the structural strength of the first shell 20; the second shell 30 can also be a metal shell, such as an iron shell The housing is used to achieve the purpose of improving the structural strength of the second housing 30 . Moreover, by setting the first housing 20 and the second housing 30 as metal housings, the first housing 20 and the second housing 30 can also serve as shielding shells, and can be assembled to mobile phones, etc. After the electronic equipment is installed, it can also reduce the influence of signal interference between the USB interface and other functional devices of the electronic equipment.

Wherein, the terminal module 10 includes a base, a tongue plate and a terminal, the tongue plate can be formed by extending from the side wall of the base, the terminal is assembled on the base and the tongue plate, and the terminal is formed and assembled on the base in a direction perpendicular to the tongue plate. The terminal pins on the seat are used for electrical connection with the circuit board, that is, the terminal pins can be welded and connected with the soldering contacts on the circuit board to realize the electrical connection between the USB interface and the circuit board.

Optionally, as shown in FIG. 5 and FIG. 6 , the position of the terminal module 10 corresponding to the escape opening 31 is provided with a blocking portion 11 , and the side wall of the blocking portion 11 facing the sealing passage 60 is tapered.

In this embodiment, the blocking portion 11 is provided on the terminal module 10 so that during the process of injecting or filling the fluid sealing adhesive into the sealing channel 60 through the escape opening 31, the blocking portion 11 can block the fluid sealing adhesive. The sealing adhesive overflows from the sealing channel 60 to enhance the injection or filling effect of the fluid sealing adhesive.

Wherein, the blocking portion 11 can be integrally formed with the base of the terminal module 10 to enhance the blocking effect of the blocking portion 11 , improve the integrity of the terminal module 10 and simplify the assembly process of the USB interface.

It can be understood that, at the end of the sealing passage 60 away from the sealing cavity 50 , the blocking portion 11 in the present application can act as a dam to improve the utilization rate of the fluid sealing adhesive.

Optionally, as shown in FIGS. 10 to 12 , a groove structure 21 is provided on the inner sidewall of the first housing 20 and the adhesive seal 40 , and the groove structure 21 is fitted and 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 side wall of the first housing 20 can be increased, thereby improving the adhesive force between the adhesive seal 40 and the first housing 20, and The purpose of improving the sealing bonding effect and sealing reliability of the adhesive sealing member 40 is achieved.

In one example, the groove structure 21 may be evenly distributed on the inner side wall of the annular first housing 20 , so as to improve the adhesive seal between the adhesive seal 40 and the entire inner side wall of the first housing 20 . Effect.

Optionally, as shown in FIGS. 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 movement of the base away from the first housing 20 . direction to move.

In this embodiment, the movement of the base of the terminal module 10 in a direction away from the first housing 20 is restricted by the position-limiting structure 32, which can prevent the base from pulling the adhesive seal 40 during the movement process, and prevent the base from adhering the seal. 40 fails during pulling.

Wherein, during the assembly process of the USB interface, the second housing 30 can be fixedly connected to the first housing 20 by spot welding, and the USB interface can be fixedly arranged on the circuit board through the ears of the first housing 20, Then, the stopper structure 32 provided on the second housing 30 can abut against the base of the terminal module 10 to limit the base from moving in a direction away from the first housing 20, that is, to realize the limit of the base. .

In one example, the limiting structure 32 may be provided at the end of the second housing 30 away from the first housing 20, and it may be in the form of a limiting spring, and abut against the side wall of the base away from the tongue plate, In order to achieve the purpose of restricting the movement of the base.

Optionally, as shown in FIGS. 13 to 15 , the USB interface further includes a shielding cover 70 , and the shielding cover 70 is covered on the second casing 30 .

In this embodiment, the anti-interference capability of the USB interface can be further improved by setting the shielding cover 70 , thereby improving the data transmission performance of the USB interface.

Wherein, in the assembly process of the USB interface, the terminal pins of the USB interface can be welded with the circuit board first, then the adhesive seal 40 is formed in the sealing cavity 50, and finally the shielding cover 70 is set on the second casing 30 superior.

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 can be realized through the engagement of the protrusion 71 and the groove 33. The fixed connection with the second housing 30 improves the stability of the connection between the shielding case 70 and the second housing 30 .

In one example, protrusions/grooves can be provided on all the mating surfaces of the shielding cover 70 and the second housing 30, that is, the number of contact points between the shielding cover 70 and the second housing 30 can be increased to further The stability of the connection between the shield case 70 and the second housing 30 is improved.

As shown in Figure 16, in the case that the first housing 20 and the second housing 30 are both metal housings, an elastic piece 72 can also be provided on the side of the shielding cover 70 away from the terminal pins, and the elastic piece 72 can be used to To be in contact with the motherboard cover 300 of the electronic device. In this way, the first housing 20 can be connected to the main board upper cover 300 through the second housing 30 , the shielding cover 70 , and the elastic piece 72 in sequence, that is, the grounding of the first housing 20 can be realized.

Moreover, when the USB interface is assembled to the mainboard upper cover 300, the downward force generated by the mainboard upper cover 300 on the elastic piece 72 can better press the shielding cover 70 onto the second housing 30, and make the shielding cover 70 The connection with the second housing 30 is more stable and reliable.

Wherein, the number of elastic pieces 72 can be one, two or more, and they can be arranged on the shield 70 horizontally or vertically on the shield 70 .

Further, the elastic piece 72 is integrated with the shielding cover 70 and can be formed by integral molding.

Optionally, the end of the first housing 20 away from the second housing 30 is sheathed with a sealing ring 80, so that after the USB interface is assembled on the target device, the sealing ring 80 can sealably connect the first housing 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 this embodiment of the present application may be a Type-C interface.

It can be understood that the waterproof level of the USB interface in this application may also be IPX4-IPX7 and so on.

An embodiment of the present application further provides an electronic device, including the foregoing USB interface.

It should be noted that, the implementation manner of the foregoing USB interface embodiment is also applicable to the embodiment of the electronic device, and can achieve the same technical effect, and will not be repeated here.

Among them, the electronic device can be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle electronic device, a wearable device, an ultra-mobile personal computer (Ultra-Mobile Personal Computer, UMPC), a netbook or a personal digital assistant (Personal Digital Assistant, PDA) etc.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims

A universal serial bus USB interface, comprising a terminal module, a first housing, a second housing and an adhesive seal;

The terminal module is passed through the first housing, and there is a sealed cavity between the end of the first housing facing the terminal pin of the terminal module and the terminal module, and the adhesive An adhesive seal is filled in the sealing cavity, and the adhesive seal is hermetically connected to the first housing and the terminal module;

The second housing cover is arranged on one end of the terminal pin of the terminal module, and there is a sealing channel between the second housing and the terminal module, and one end of the sealing channel is connected to the terminal module. The sealed chamber is connected to each other, and an escape opening is formed on the end of the second housing away from the sealed chamber, the sealed channel communicates with the outside through the avoiding opening, and the avoiding direction of the avoiding opening is far away from the terminal leads. The setting direction of the feet;

Wherein, the fluid-like sealing adhesive can enter the sealing channel through the escape opening, and flow to the sealing cavity through the sealing channel, so as to form the adhesive seal in the sealing cavity.
The USB interface according to claim 1, wherein a blocking portion is provided at a position of the terminal module corresponding to the avoidance opening, and a side of the blocking portion facing the sealing passage is a tapered surface.
The USB interface according to claim 1, wherein a groove structure is provided on the inner side wall of the first housing connected with the adhesive seal, and the groove structure is compatible with the adhesive seal. with connection.
The USB interface according to claim 3, wherein the groove structures are spaced and evenly distributed on the annular inner sidewall.
The USB interface according to claim 1, wherein the second housing is provided with a limiting structure, and the limiting structure abuts against the base of the terminal module to limit the movement of the base away from the The direction of the first housing moves.
The USB interface according to claim 1, wherein an end of the first housing away from the second housing is sleeved with a sealing ring.
The USB interface according to any one of claims 1 to 6, wherein the USB interface further comprises a shielding cover, and the shielding cover is arranged on the second casing.
The USB interface according to claim 7, wherein the shielding cover is provided with a protrusion, and the second housing is provided with a groove adapted to the protrusion, through which the protrusion and the groove The clamping connection of the shielding cover is arranged on the second housing.
The USB interface according to claim 7, wherein, the side of the shielding cover away from the terminal pins is provided with an elastic piece, and the elastic piece is used to abut against the upper cover of the main board of the electronic device.
An electronic device, comprising the USB interface according to any one of claims 1-9.