CN209233042U - USB sockets and electronics - Google Patents

Abstract

The utility model relates to connector technique field, providing a kind of USB socket includes first shell, sealed connecting component and multiple pin terminals.First shell is in hollow tubular structure and circumferential side wall is closed, each pin terminals are arranged side by side along the width direction of institute's sealed connecting component, and, each pin terminals are embedded at sealed connecting component, sealed connecting component is placed in first shell, also, the circumferential side wall of sealed connecting component is resisted against the inner sidewall of first shell.First shell circumferential side wall sealing, no hole thus prevent environmental liquids to penetrate into from the circumferential side wall of first shell.Sealed connecting component is inserted into first shell, and is leant using the circumferential side wall of sealed connecting component and the inner sidewall of first shell and blocked to first shell, environmental liquids can not plugging direction flow into first shell in, improve the waterproof performance of USB socket.Due to without using additional seal casinghousing and reducing dispensing seal thickness, USB socket overall volume is smaller.

Description

USB sockets and electronics

technical field

The utility model relates to the technical field of connectors, and in particular provides a USB socket and electronic products with the USB socket.

Background technique

With the continuous development of the earphone and mobile phone markets, the waterproof level requirements for their products are getting higher and higher, and among them, the USB socket determines the waterproof performance of electronic products.

At present, most of the existing waterproof USB sockets are sheathed with an additional shell, and glue is sealed between the USB socket and the shell. However, adopting such a sealing method may easily lead to a relatively large overall volume of the USB socket, which is not conducive to thinning and thinning electronic products. Therefore, there is an urgent need to solve the problem that the overall volume of the USB socket is relatively large due to the use of an additional shell for dispensing and sealing in the existing USB socket.

Utility model content

The purpose of the utility model is to provide a USB socket, aiming to solve the problem that the overall volume of the USB socket is relatively large due to the use of an additional shell for sealing by dispensing glue in the existing USB socket.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a USB socket, including a first housing, a sealing connector and a plurality of pin terminals, the first housing is in a hollow tubular structure and the circumferential side wall airtight, each of the pin terminals is arranged side by side along the width direction of the sealed connector, and each of the pin terminals is embedded in the sealed connector, and the sealed connector is placed in the first housing, Moreover, the circumferential side wall of the sealing connection part is against the inner side wall of the first housing.

Specifically, the sealing connector includes a sealing member, an extension plate and a limiting block, the extending plate is formed by protruding from one end of the sealing member and is located in the first housing, and the limiting block The other end of the sealing member protrudes outward and protrudes out of the first housing, the circumferential side wall of the sealing member abuts against the inner side wall of the first housing, and each of the One end of the pin terminal is embedded in the extension plate, the other end of each pin terminal passes through the sealing member and the limiting block in turn, and the other end of each pin terminal is connected to the circuit The board is electrically connected.

Preferably, the sealing member includes a block, and a circumferential side wall of the block is provided with an annular rib, and the rib abuts against the inner side wall of the first housing.

Specifically, the extension plate is provided with a through-hole structure for preventing water accumulation.

Further, the USB socket also includes a sealant, and the limit block is provided with an accommodating groove, and the sealant seals the opening of the first housing close to the limit block and surrounds the limit block. outside of the storage tank.

Specifically, each of the pin terminals includes a plug-in section for connecting to a USB plug and a connection section for electrically connecting with a circuit board, the plug-in section is embedded in the extension board, and the connection section The block body, the sealant and the limiting block are sequentially pierced, and the connection section is electrically connected to the circuit board.

Preferably, each of the inserting sections defines a guide groove along the width direction for preventing liquid accumulation.

Specifically, the inner side wall of the first housing is stretched outward to form two spaced accommodating cavities for limiting the USB plug.

Further, the USB socket also includes a second housing, the cross section of the second housing along the width direction is U-shaped, the second housing is clamped on the outside of the first housing and installed on the circuit board.

Beneficial effects of the present utility model: the USB socket of the present utility model, the first shell is used for plugging in the USB plug, the first shell is sealed to the side wall without holes, thereby preventing external liquid from entering the socket. The circumferential sidewall of the first housing penetrates. Each pin terminal is limited by the sealing connector, and at the same time, corresponds to the terminal of the USB plug. The sealing connecting piece protrudes into the first housing, and the circumferential side wall of the sealing connecting piece abuts against the inner side wall of the first housing to seal the first housing, so that the external liquid along the insertion of the USB plug When the connecting direction flows into the first housing, it is blocked by the sealed connecting piece, which effectively improves the waterproof performance of the USB socket. Since no additional sealing shell is needed and the thickness of the glue sealing is reduced, the overall volume of the USB socket is smaller on the basis of realizing waterproof.

The utility model also provides an electronic product, including the above-mentioned USB socket.

Beneficial effects of the utility model: the electronic product of the utility model, on the basis of having the above-mentioned USB socket, the overall volume of the electronic product can be developed to be lighter and thinner.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is the explosion diagram of the USB socket that the utility model embodiment provides;

Fig. 2 is the sectional view of the USB socket that the utility model embodiment provides;

Fig. 3 is a schematic structural diagram of the sealing connector of the USB socket provided by the embodiment of the present invention;

Fig. 4 is the front view of the sealing connector of the USB socket provided by the embodiment of the present invention;

FIG. 5 is a schematic structural view of the pin terminals of the USB socket provided by the embodiment of the present invention;

FIG. 6 is a schematic structural view of the assembled state of the sealing connector of the USB socket provided by the embodiment of the present invention and each pin terminal.

Wherein, each reference sign in the figure:

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent 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 intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Please refer to FIG. 1 and FIG. 2 , the USB socket 100 provided by the embodiment of the present invention includes a first housing 10 , a sealing connector 30 and a plurality of pin terminals 20 . The first housing 10 has a hollow tubular structure and its circumferential side wall is airtight. Each pin terminal 20 is arranged side by side along the width direction of the sealed connector 30, and each pin terminal 20 is embedded in the sealed connector 30, and is sealed and connected. The member 30 is placed in the first housing 10 , and the circumferential sidewall of the sealing connection member 30 abuts against the inner sidewall of the first housing 10 .

In the USB socket 100 provided by the embodiment of the present invention, the first shell 10 is a shell for plugging in a USB plug, and the circumferential side wall of the first shell 10 is sealed without holes, thereby preventing external liquid from coming from the second shell. A peripheral side wall of the housing 10 penetrates. Each pin terminal 20 is limited by the sealing connector 30, and at the same time, corresponds to the terminal of the USB plug. The sealing connector 30 protrudes into the first housing 10, and seals the first housing 10 by abutting the circumferential side wall of the sealing connector 30 against the inner side wall of the first housing 10, so that the outside When the liquid flows into the first casing 10 along the insertion direction of the USB plug, it is blocked by the sealing connector 30 , which effectively improves the waterproof performance of the USB socket 100 . Since there is no need to use an additional sealing shell and the thickness of the adhesive seal is reduced, the overall volume of the USB socket 100 is smaller on the basis of waterproofing.

In this embodiment, the first shell 10 seals the gaps and holes in the circumferential side wall by welding, so as to ensure that external liquid cannot penetrate from the side wall.

Specifically, please refer to FIG. 2 to FIG. 4 , in this embodiment, the sealing connection member 30 includes a sealing member 31 , an extension plate 32 and a limiting block 33 . The extension plate 32 is formed by protruding outward from one end of the sealing member 31 and is located in the first housing 10 , and the limiting block 33 is formed by protruding outward from the other end of the sealing member 31 and protrudes into the first housing 10 In addition, the circumferential side wall of the sealing member 31 abuts against the inner side wall of the first housing 10, one end of each pin terminal 20 is embedded in the extension plate 32, and the other end of each pin terminal 20 passes through the sealing member 31 in turn. and the limiting block 33, the other end of each pin terminal 20 is electrically connected with the circuit board. Understandably, when the USB plug is inserted into the first housing 10 , the USB plug abuts against the sealing member 31 , and its plug-in terminal matches with each pin terminal 20 on the extension board 32 . In this way, the sealing member 31 plays the role of blocking the first housing 10, and the function of the extension plate 32 is to limit the position of the plug-in end of each pin terminal 20, which is convenient for matching with the USB plug. The limit block 33 The function of these pins is to limit the installation position of the connection section of each pin terminal 20, thereby improving the stability of the electrical connection with the circuit board.

Preferably, please refer to FIG. 2 to FIG. 4 , in this embodiment, the sealing member 31 includes a block body 311 , the circumferential side wall of the block body 311 is provided with a ring-shaped rib 312 , and the rib 312 abuts against the first An inner wall of the casing 10 . Understandably, the cross-sectional shape of the block 311 is the same as the cross-sectional shape of the first casing 10 . The ribs 312 on the circumferential side wall of the block 311 are in an interference fit with the inner side wall of the first housing 10 , so as to achieve effective sealing.

Further, please refer to FIG. 2 to FIG. 4 , the circumferential side wall of the block 311 is also provided with a raised edge 313, and the raised edge 313 and the raised rib 312 are arranged side by side along the length direction of the sealing block, and the height of the raised edge 313 is the same as that of the raised edge 313. Ribs 312 have the same height. Similarly, the protruding edge 313 has the same function as the protruding rib 312 , and is also an interference fit with the inner sidewall of the first housing 10 . At the same time, adding a protruding edge 313 is consistent with the arrangement direction of the protruding ribs 312, which can better ensure the sealing performance of the block body 311 and the smoothness during the installation process.

Specifically, referring to FIG. 2 and FIG. 3 , in this embodiment, the extension plate 32 is provided with a through-hole structure 32 a for preventing water accumulation. It can be understood that when there is accumulated water falling on the extension plate 32, the accumulated water will flow to the first housing 10 along the through-hole structure under the action of gravity, so as to prevent the accumulation of water when the extension plate 32 is mated with the USB plug. . Preferably, the through hole structure 32a is a square hole distributed in an array.

Further, please refer to FIG. 2 and FIG. 3 , in this embodiment, the USB socket 100 further includes a sealant 34 , the limit block 33 is provided with an accommodating groove 33 a, and the sealant 34 is blocked near the first housing 10 . The opening of the limiting block 33 is surrounded by the outside of the accommodating groove 33a. It can be understood that the opening of the first housing 10 close to the limit block 33 is blocked by the sealant 34 to further block the external liquid and prevent the external liquid from flowing through the first housing 10 and thereby affecting the circuit board. At the same time, the accommodating groove 33 a of the limiting block 33 can increase the contact area with the sealant 34 , and improve the adhesion and connection stability of the sealant 34 .

Preferably, please refer to FIG. 4 , the end face of the block facing the limit block 33 is an inclined end face 31a forming an angle with the vertical plane. It can be understood that the inclined end surface 31 a can increase the fluidity of the sealant 34 , so that the sealant 34 quickly covers the end surface of the block.

Specifically, please refer to FIG. 2, FIG. 5 and FIG. 6. In this embodiment, each pin terminal 20 includes a plug-in section 21 for connecting a USB plug and a connecting section for electrically connecting with a circuit board. 22. The plugging section 21 is embedded in the extension plate 32, and the connecting section 22 is sequentially penetrated through the block body 311, the sealing compound 34 and the limiting block 33, and the connecting section 22 is electrically connected to the circuit board. It can be understood that when the USB plug is plugged into the first housing 10 , the insertion terminal of the USB plug matches with the insertion section 21 of each pin terminal 20 .

Preferably, please refer to FIG. 5 , in this embodiment, each inserting section 21 defines a guide groove 21a along the width direction for preventing liquid accumulation. It can be understood that when the external liquid flows along the plug-in section 21, the external liquid flows to the guide groove 21a and is blocked to form water droplets. Gathered on segment 21.

Specifically, please refer to FIG. 1 , in this embodiment, the inner sidewall of the first casing 10 is stretched outward to form two accommodating cavities 10a arranged at intervals and used to limit the USB plug. Understandably, when the USB plug is inserted into the first housing 10, the two elastic terminals of the USB plug will protrude into the corresponding accommodating cavity 10a and abut against the inner side wall of the accommodating cavity 10a, thereby preventing The USB plug is easily pulled out. Usually, the housing of the existing USB socket 100 adopts an open elastic arm structure, that is, it is formed by punching on the housing, and the elastic arm structure is used to cooperate with the two elastic terminals of the USB plug. The elastic arm structure destroys the airtightness of the circumferential side wall of the casing, reducing its waterproof performance.

Further, please refer to FIG. 1 , in this embodiment, the USB socket 100 further includes a second housing 40 , the cross section of the second housing 40 along the width direction is U-shaped, and the second housing 40 is clamped on the first housing. The outer side of the body 10 and is installed on the circuit board. Specifically, the second housing 40 includes a horizontal portion 41 and two vertical portions 42 vertically connected to the horizontal portion 41, and the end side of the vertical portion 42 away from the horizontal portion 41 is also provided with an insertion pin 43 for inserting a circuit board. .

The embodiment of the present utility model also provides an electronic product, including the above-mentioned USB socket 100 . On the basis of the above-mentioned USB socket 100, the overall volume of the electronic product can be developed towards thinner and lighter.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A USB socket, characterized in that: comprising a first housing, a sealing connector and a plurality of pin terminals, the first housing is a hollow tubular structure and the circumferential side walls are airtight, each of the pin terminals Arranged side by side along the width direction of the sealing connector, and each of the pin terminals is embedded in the sealing connector, the sealing connector is placed in the first housing, and the sealing connector The circumferential side wall of the first housing is against the inner side wall of the first housing. 2. The USB socket according to claim 1, wherein the sealing connector comprises a sealing member, an extension plate and a limit block, the extension plate is formed by protruding outward from one end of the sealing member and Located in the first housing, the limit block is formed by protruding outward from the other end of the sealing member and protrudes out of the first housing, and the circumferential side wall of the sealing member is against On the inner side wall of the first housing, one end of each pin terminal is embedded in the extension plate, and the other end of each pin terminal passes through the sealing member and the limiting block in sequence, and , the other end of each pin terminal is electrically connected to the circuit board. 3. The USB socket according to claim 2, wherein the sealing member comprises a block, and the circumferential side wall of the block is provided with a ring-shaped rib, and the rib abuts against the The inner side wall of the first casing. 4. The USB socket according to claim 2, characterized in that: the extension plate is provided with a through-hole structure for preventing water accumulation. 5. The USB socket according to claim 3, characterized in that: the USB socket further includes a sealant, the limit block is provided with a receiving groove, and the sealant is blocked in the first casing. It is close to the opening of the limiting block and surrounds the outer side of the accommodating groove. 6. The USB socket according to claim 5, characterized in that: each of the pin terminals includes a plug-in section for connecting a USB plug and a connecting section for electrically connecting with a circuit board, and the plug-in section A segment is embedded in the extension plate, the connecting segment is sequentially penetrated through the block, the sealant and the limiting block, and the connecting segment is electrically connected to the circuit board. 7 . The USB socket according to claim 6 , wherein a guiding groove for preventing liquid accumulation is provided along the width direction of each of the plugging sections. 8 . 8. The USB socket according to any one of claims 1 to 7, characterized in that: the inner side wall of the first housing is stretched outward to form two accommodating cavities arranged at intervals and used to limit the USB plug . 9. The USB socket according to any one of claims 1 to 7, characterized in that: the USB socket further comprises a second casing, the cross section of the second casing along the width direction is U-shaped, and the second casing is U-shaped. The two shells are clamped on the outside of the first shell and installed on the circuit board. 10. An electronic product, characterized in that it comprises the USB socket according to any one of claims 1 to 9.