WO2011147134A1 - Usb joint - Google Patents

Usb joint Download PDF

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Publication number
WO2011147134A1
WO2011147134A1 PCT/CN2010/076305 CN2010076305W WO2011147134A1 WO 2011147134 A1 WO2011147134 A1 WO 2011147134A1 CN 2010076305 W CN2010076305 W CN 2010076305W WO 2011147134 A1 WO2011147134 A1 WO 2011147134A1
Authority
WO
WIPO (PCT)
Prior art keywords
usb
circuit board
printed circuit
housing
usb connector
Prior art date
Application number
PCT/CN2010/076305
Other languages
French (fr)
Chinese (zh)
Inventor
王徐州
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2011147134A1 publication Critical patent/WO2011147134A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7047—Locking or fixing a connector to a PCB with a fastener through a screw hole in the coupling device

Definitions

  • the present invention relates to a USB device, and more particularly to a USB connector. Background technique
  • USB Peripheral Component Interconnect
  • USB devices are quickly promoted, mainly have the following advantages: First, support hot swap, no need to restart the system; Second, small size, easy to carry; Third, provide a standard interface, widely accept a variety of equipment; Fourth, low prices Supports up to 480M bit rate data transmission; Fifth, it gives the PC a new function to accommodate many new devices; Sixth, the protocol is flexible and compatible with different device technologies.
  • FIG. 1 is a schematic structural view of a direct plug-in USB connector.
  • the USB connector includes a USB housing steel sheet 11, a USB transfer signal gold finger 12, a USB transfer signal pad 13, a plastic holder 14, and a positioning post 15.
  • the USB shell steel sheet 11 has a rectangular parallelepiped shape, and a plastic bracket 14 is fixed thereon.
  • the USB transmission signal gold finger 12 and the USB transmission signal pad 13 are fixed on the plastic holder 14 in a certain manner, and the USB transmission signal gold finger 12 is used for contacting the USB interface of the PC, and the USB transmission signal pad 13 is used with the USB connector.
  • the printed circuit board inside the product is in contact, and the USB transfer signal gold finger 12 and the USB transfer signal pad 13 can be transferred to each other. Signal, thereby enabling signal transmission between the product using the USB connector and the PC.
  • the positioning post 15 is located inside the end of the USB housing steel sheet 11 and is fixed to a printed circuit board inside the product using the USB connector for fixing the USB connector to the product using the USB connector. As can be seen from the description of FIG.
  • the USB transfer signal pad 13 and the positioning post 15 at the end of the in-line USB connector need to occupy a lot of space of the printed circuit board, resulting in inflexible design, high cost, and large volume;
  • the product of the rotary head design because the exposed part of the rotating head, that is, the USB interface part is inserted, does not effectively protect, too many plugging and unplugging will damage the USB interface, causing malfunctions such as poor contact, resulting in safety and reliability of the product. Bad effects. Therefore, the prior art has the following drawbacks:
  • the in-line USB connector occupies too much space on the printed circuit board, resulting in inflexible products, high cost, large size, and inconvenience to the user, for example, when there are two phases on the PC.
  • the embodiment of the invention provides a USB connector, which can make the product smaller and lighter, and has high reliability and is not easily damaged.
  • a USB connector comprising: a USB housing, further comprising: an insulating bracket with a groove, a USB transfer signal gold finger for connecting to a USB interface of the PC, and a printed circuit board, wherein the USB transmits a signal to the golden finger Mounted on a printed circuit board, the printed circuit board is inserted into a recess of the insulating bracket, and the insulating bracket is fixedly disposed in the USB housing.
  • the shape of the insulating bracket matches the shape of the USB housing.
  • the USB transfer signal gold finger is a part of the metal core on the printed circuit board; or, the USB transfer signal gold finger is a metal component disposed and fixed on the printed circuit board.
  • the printed circuit board is rectangular, and the length of the rectangle matches the length of the golden finger of the USB transmission signal.
  • the length and width of the IHJ slot are matched to the length and width of the printed circuit board, and the depth of the IHJ slot matches the thickness of the printed circuit board.
  • the method further includes: a metal flap for bending the insulating bracket is mounted, and is disposed in the
  • the USB housing has a screw hole for providing a USB housing and an external product.
  • the shape of the USB housing and the shape of the insulating bracket inserted into the printed circuit board meet the requirements of the USB connector industry standard.
  • the USB housing is made of metal.
  • the insulating bracket is made of plastic material.
  • the USB connector in the embodiment of the present invention directly designs the golden finger of the USB transmission signal on the printed circuit board, and does not need the USB to transmit the signal pad, thereby increasing the use area of the printed circuit board, reducing the volume of the USB device, and improving The reliability of the product.
  • FIG. 1 is a schematic structural view of a direct insertion type USB connector in the prior art
  • FIG. 2 is a schematic structural diagram of a USB connector according to an embodiment of the present invention. detailed description
  • the embodiment of the invention provides a USB connector, which can increase the use area of the printed circuit board, reduce the volume of the USB device, and improve the reliability of the product.
  • a USB connector comprising: a USB housing, further comprising: an insulating bracket with a groove, a USB transfer signal gold finger for connecting to a USB interface of the PC, and a printed circuit board, wherein the USB transmits a signal to the golden finger Mounted on a printed circuit board, the printed circuit board is inserted into a recess of the insulating bracket, and the insulating bracket is fixedly disposed in the USB housing.
  • the implementation of the USB transfer signal gold finger mounted on the printed circuit board includes: the USB transfer signal gold finger is a part of the metal core on the printed circuit board, or
  • the USB transfer signal gold finger is a metal component that is disposed and fixed on a printed circuit board.
  • the USB connector is further provided with a bendable metal strip for fixing the insulating bracket, which is disposed at the bottom of the USB housing.
  • the bottom of the USB case refers to the part of the USB case that is connected to the external product, and the external product is the product that uses the USB connector.
  • the USB housing has a screw hole for providing a USB housing and an external product.
  • the shape of the insulating bracket matches the shape of the USB casing, and the matching means that the shape of the insulating bracket is exactly inserted into the USB casing.
  • the printed circuit board is rectangular, and the length and width of the rectangle are matched with the length and width of the USB transmission signal gold finger.
  • the matching means that the length of the rectangle is substantially the same as the length of the USB transmission signal gold finger.
  • the length and width of the IHJ slot are matched with the length and width of the printed circuit board, and the depth of the IHJ slot matches the thickness of the printed circuit board.
  • the matching means that the length and the width of the groove can be inserted into the printed circuit board. .
  • the shape of the USB housing and the shape of the insulating bracket inserted into the printed circuit board meet the requirements of the USB connector industry standard.
  • the USB housing is made of metal.
  • the insulating bracket is made of plastic material.
  • the USB transfer signal gold finger directly on the printed circuit board, the USB signal transfer pad is not required, and the positioning post is improved, thereby increasing the printed circuit board use area, reducing the size of the USB device, and improving the product. Reliability.
  • USB connector in the present invention will be described in detail in conjunction with a preferred embodiment.
  • the embodiment of the invention provides a USB connector, as shown in FIG. 2, including a USB shell steel sheet. 21.
  • the shape of the USB shell steel sheet 21 is as shown in FIG. 2.
  • the USB shell steel sheet 21 is used for fixing the plastic bracket 24 and protecting the printed circuit board, and the shape and size of the USB shell steel sheet 21 are required to meet the requirements of the USB connector industry standard.
  • a screw hole 26 is also provided, which can be designed to be integrated with the USB shell steel sheet 21 at the time of design.
  • the printed circuit board 23 is integrated with the printed circuit board inside the product using the USB connector. It can be understood that when manufacturing the product, the printed circuit board inside the product is increased by an area for implementing the USB connector in the present invention. .
  • the printed circuit board 23 is designed according to the USB standard length and width dimensions, and the USB transmission signal gold finger 22 is mounted thereon. Therefore, the USB transmission signal gold finger 22 can directly realize the product and the PC using the USB connector through the printed circuit board 23. The signal transmission between the two does not require the USB to transmit the signal pad, thereby increasing the printed circuit board area and reducing the size of the USB device.
  • the implementation manner of installing the USB transfer signal gold finger 22 on the printed circuit board 23 includes: the printed circuit board 23 includes a metal core and an insulating sheet, and the USB transfer signal gold finger 22 is a part of the metal core on the printed circuit board 23, or The USB transfer signal gold finger 22 is a metal member, such as a metal piece, additionally provided and fixed on the printed circuit board 23.
  • a plastic holder 24 is further disposed in the USB connector in the embodiment of the present invention.
  • the shape of the plastic holder 24 is as shown in Fig. 2.
  • the shape of the plastic holder coincides with the shape of the USB housing steel sheet 21 so that it can be inserted into the inside of the USB housing steel sheet 21.
  • a recess is also provided for inserting the printed circuit board 23, so that the length and width of the recess are exactly equal to the length and width of the printed circuit board 23, and the depth of the recess is exactly equal to the printed circuit board 23. thickness of.
  • the plastic bracket 24 can be inserted into the USB shell steel sheet 21 and fixed, and then the printed circuit board can be inserted inside the groove of the plastic bracket.
  • a metal baffle 25 can also be arranged at the bottom of the USB shell steel sheet, and the metal baffle 25 is used for fixing the plastic bracket 24, when the plastic bracket 24 After the USB housing steel sheet 21 is fully inserted, the metal blank 25 can be bent, for example, bent 90 degrees so that it just abuts against the end of the plastic holder 24, so that the plastic holder 24 does not slip toward the end of the USB housing.
  • the plastic bracket 24 is fixed inside the USB shell steel sheet by a certain process, so that it does not slide up and down.
  • the USB connector in the embodiment of the present invention can directly transmit the USB transmission signal gold finger on the printed circuit board, so that the USB transmission signal gold finger can directly transmit information through the printed circuit board and the product using the USB connector, thereby eliminating the need for the information.
  • the prior art USB transmission signal pad connected to the printed circuit board and functioning as a bridge, thereby reducing the volume of the USB connector; and fixing the USB connector to the product by fixing the USB connector to the screw hole of the external product The positioning of the column on the printed circuit board greatly increases the printed circuit board area, and the USB shell steel sheet protects the product and improves the reliability of the product.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Combinations Of Printed Boards (AREA)

Abstract

A USB (universal serial bus) joint comprises a housing (21); an insulating bracket (24) with a groove, which is fixed in the housing; USB golden fingers (22) for transmitting signals, which are connected with an interface of a PC machine; and a printed circuit board (23) which is inserted into the groove of the insulating bracket. Wherein the USB golden fingers for transmitting signals are mounted on the printed circuit board directly, and screw holes on the housing replace positioning posts, so that the USB joint does not need USB pads for transmitting signals, has an increased usable area of the printed circuit board, a decreased bulk, and improved reliability.

Description

一种 USB接头 技术领域  USB connector technology field
本发明涉及 USB设备， 特别涉及一种 USB接头。 背景技术  The present invention relates to a USB device, and more particularly to a USB connector. Background technique
进入 21世纪以来， 尤其是最近三、 四年， 随着大量支持 USB设备 PC 机的普及， USB逐步成为 PC机的标准接口已经是大势所趋。 在主机端， 最新推出的 PC机 100%支持 USB接口； 而在外设端， 使用 USB接口的设 备也与日倶增， 例如 3G上网卡、 数码相机、 扫描仪、 游戏杆和图像设备、 打印机、 键盘、 鼠标等等。 USB的工业标准是对 PC机现有的体系结构的 扩充。 USB设备之所以会被迅速推广， 主要具有以下优点： 一是支持热插 拔， 不用重启系统； 二是体积小， 携带方便； 三是提供一个标准接口， 广 泛接纳各种设备； 四是价格低廉， 支持最高 480M比特率数据传输； 五是赋 予 PC机新的功能， 使之可以接纳许多新设备； 六是协议灵活， 兼容了不同 设备的技术。  Since the beginning of the 21st century, especially in the last three or four years, with the popularity of a large number of USB devices supporting USB devices, it has become a general trend for USB to gradually become the standard interface for PCs. On the host side, the newly launched PC 100% supports the USB interface; on the peripheral side, devices using the USB interface are also increasing, such as 3G network cards, digital cameras, scanners, joysticks and imaging devices, printers, Keyboard, mouse, etc. The industry standard for USB is an extension of the existing architecture of PCs. USB devices are quickly promoted, mainly have the following advantages: First, support hot swap, no need to restart the system; Second, small size, easy to carry; Third, provide a standard interface, widely accept a variety of equipment; Fourth, low prices Supports up to 480M bit rate data transmission; Fifth, it gives the PC a new function to accommodate many new devices; Sixth, the protocol is flexible and compatible with different device technologies.
目前市场上的 USB接头有直插式、 旋转式两种， 其中直插式占据市场 多数份额。下面就以直插式 USB接头为例，介绍一下现有技术中 USB接头 的实现方式。图 1为直插式 USB接头的结构示意图。该 USB接头包括 USB 外壳钢片 11、 USB传送信号金手指 12、 USB传送信号焊盘 13、 塑胶支架 14和定位柱 15。 其中， USB外壳钢片 11为长方体形状， 其上固定有塑胶 支架 14。USB传送信号金手指 12和 USB传送信号焊盘 13通过一定方式固 定在塑胶支架 14上， USB传送信号金手指 12用于与 PC机的 USB接口接 触， USB传送信号焊盘 13与使用该 USB接头的产品内部的印刷电路板接 触，而 USB传送信号金手指 12和 USB传送信号焊盘 13之间可以相互传送 信号， 从而实现使用该 USB接头的产品与 PC机之间的信号传递。 定位柱 15位于 USB外壳钢片 11末端的内部， 并固定在使用该 USB接头的产品内 部的印刷电路板上， 用于将该 USB接头固定在使用该 USB接头的产品上。 从对图 1的描述中可以看出， 直插式 USB接头末端的 USB传送信号焊盘 13和定位柱 15需要占用印刷电路板很多空间， 导致产品设计时不够灵活、 成本高、 体积大； 对于釆取旋转头设计的产品， 由于旋转头外露部分， 即 插入 USB接口部分， 未做有效保护， 插拔次数过多会损坏 USB接口，造成 接触不良等故障， 对产品的安全性、 可靠性造成不良影响。 因此， 现有技 术存在如下缺陷： 直插式 USB接头因为占据印刷电路板空间过多， 导致产 品不够灵活， 成本高， 体积大， 给用户带来诸多不便， 例如， 当 PC机上有 两个相邻的 USB接口时，釆用现有的直插式 USB接头的产品插入其中一个 USB接口后， 因其体积较大， 导致另外一个 USB接口虽未占用， 但也无法 插入其他外设； 而釆取旋转头设计的 USB接头的产品， 由于插入 USB接口 部分未做有效保护， 导致产品可靠性不高， 容易损坏。 发明内容 At present, the USB connector on the market has two types of in-line type and rotary type, and the in-line type occupies a majority share of the market. The following takes an in-line USB connector as an example to introduce the implementation of the USB connector in the prior art. FIG. 1 is a schematic structural view of a direct plug-in USB connector. The USB connector includes a USB housing steel sheet 11, a USB transfer signal gold finger 12, a USB transfer signal pad 13, a plastic holder 14, and a positioning post 15. The USB shell steel sheet 11 has a rectangular parallelepiped shape, and a plastic bracket 14 is fixed thereon. The USB transmission signal gold finger 12 and the USB transmission signal pad 13 are fixed on the plastic holder 14 in a certain manner, and the USB transmission signal gold finger 12 is used for contacting the USB interface of the PC, and the USB transmission signal pad 13 is used with the USB connector. The printed circuit board inside the product is in contact, and the USB transfer signal gold finger 12 and the USB transfer signal pad 13 can be transferred to each other. Signal, thereby enabling signal transmission between the product using the USB connector and the PC. The positioning post 15 is located inside the end of the USB housing steel sheet 11 and is fixed to a printed circuit board inside the product using the USB connector for fixing the USB connector to the product using the USB connector. As can be seen from the description of FIG. 1, the USB transfer signal pad 13 and the positioning post 15 at the end of the in-line USB connector need to occupy a lot of space of the printed circuit board, resulting in inflexible design, high cost, and large volume; The product of the rotary head design, because the exposed part of the rotating head, that is, the USB interface part is inserted, does not effectively protect, too many plugging and unplugging will damage the USB interface, causing malfunctions such as poor contact, resulting in safety and reliability of the product. Bad effects. Therefore, the prior art has the following drawbacks: The in-line USB connector occupies too much space on the printed circuit board, resulting in inflexible products, high cost, large size, and inconvenience to the user, for example, when there are two phases on the PC. When the USB interface of the adjacent USB port is plugged into one of the USB interfaces, the other USB interface is not occupied, but it cannot be inserted into other peripherals because of its large size; The product of the USB connector with the rotary head design is not effectively protected due to the insertion of the USB interface portion, resulting in low reliability and easy damage. Summary of the invention
本发明实施例提供一种 USB接头， 该 USB接头可使产品的体积更小、 更轻便， 而且可靠性高， 不易损坏。  The embodiment of the invention provides a USB connector, which can make the product smaller and lighter, and has high reliability and is not easily damaged.
为了达到上述目的， 本发明的技术方案是这样实现的：  In order to achieve the above object, the technical solution of the present invention is achieved as follows:
一种 USB接头， 包括： USB外壳， 还包括： 带有凹槽的绝缘支架、 用 于与 PC机 USB接口相连接的 USB传送信号金手指以及印刷电路板，其中， 所述 USB传送信号金手指安装在印刷电路板上， 所述印刷电路板插在 所述绝缘支架的凹槽内， 所述绝缘支架固定设置在所述 USB外壳中。  A USB connector, comprising: a USB housing, further comprising: an insulating bracket with a groove, a USB transfer signal gold finger for connecting to a USB interface of the PC, and a printed circuit board, wherein the USB transmits a signal to the golden finger Mounted on a printed circuit board, the printed circuit board is inserted into a recess of the insulating bracket, and the insulating bracket is fixedly disposed in the USB housing.
所述绝缘支架的形状与所述 USB外壳的形状匹配。  The shape of the insulating bracket matches the shape of the USB housing.
所述 USB传送信号金手指为印刷电路板上的部分金属芯； 或， 所述 USB传送信号金手指为设置并固定在印刷电路板上的金属部件。 所述印刷电路板为矩形， 该矩形的长度与所述 USB传送信号金手指的 长度匹配。 The USB transfer signal gold finger is a part of the metal core on the printed circuit board; or, the USB transfer signal gold finger is a metal component disposed and fixed on the printed circuit board. The printed circuit board is rectangular, and the length of the rectangle matches the length of the golden finger of the USB transmission signal.
所述 IHJ槽的长宽与印刷电路板的长宽匹配， 所述 IHJ槽的深度与印刷电 路板的厚度匹配。  The length and width of the IHJ slot are matched to the length and width of the printed circuit board, and the depth of the IHJ slot matches the thickness of the printed circuit board.
还包括： 安装有可弯折的用于固定绝缘支架的金属挡片， 设置在所述 The method further includes: a metal flap for bending the insulating bracket is mounted, and is disposed in the
USB外壳底部。 The bottom of the USB case.
所述 USB外壳上具有可提供 USB外壳与外接产品固定的螺钉孔。 所述 USB外壳的形状以及插入印刷电路板的绝缘支架的形状满足 USB 接头工业标准要求。  The USB housing has a screw hole for providing a USB housing and an external product. The shape of the USB housing and the shape of the insulating bracket inserted into the printed circuit board meet the requirements of the USB connector industry standard.
所述 USB外壳为金属材质。  The USB housing is made of metal.
所述绝缘支架为塑胶材质。  The insulating bracket is made of plastic material.
本发明实施例中的 USB接头，通过将 USB传送信号金手指直接设计在 印刷电路板上，无需 USB传送信号焊盘，从而增大了印刷电路板使用面积、 减小了 USB设备的体积， 提高了产品的可靠性。 附图说明  The USB connector in the embodiment of the present invention directly designs the golden finger of the USB transmission signal on the printed circuit board, and does not need the USB to transmit the signal pad, thereby increasing the use area of the printed circuit board, reducing the volume of the USB device, and improving The reliability of the product. DRAWINGS
图 1为现有技术中直插式 USB接头的结构示意图；  1 is a schematic structural view of a direct insertion type USB connector in the prior art;
图 2为本发明实施例中 USB接头的结构示意图。 具体实施方式  FIG. 2 is a schematic structural diagram of a USB connector according to an embodiment of the present invention. detailed description
本发明实施例提供了一种 USB接头， 可以增大印刷电路板使用面积、 减小 USB设备的体积， 提高产品的可靠性。  The embodiment of the invention provides a USB connector, which can increase the use area of the printed circuit board, reduce the volume of the USB device, and improve the reliability of the product.
一种 USB接头， 包括： USB外壳， 还包括： 带有凹槽的绝缘支架、 用 于与 PC机 USB接口相连接的 USB传送信号金手指以及印刷电路板，其中， 所述 USB传送信号金手指安装在印刷电路板上， 所述印刷电路板插在所述 绝缘支架的凹槽内， 所述绝缘支架固定设置在所述 USB外壳中。 其中， 所 述 USB传送信号金手指安装在印刷电路板上的实现方式包括： 所述 USB 传送信号金手指为印刷电路板上的部分金属芯， 或， A USB connector, comprising: a USB housing, further comprising: an insulating bracket with a groove, a USB transfer signal gold finger for connecting to a USB interface of the PC, and a printed circuit board, wherein the USB transmits a signal to the golden finger Mounted on a printed circuit board, the printed circuit board is inserted into a recess of the insulating bracket, and the insulating bracket is fixedly disposed in the USB housing. Among them, The implementation of the USB transfer signal gold finger mounted on the printed circuit board includes: the USB transfer signal gold finger is a part of the metal core on the printed circuit board, or
所述 USB传送信号金手指为设置并固定在印刷电路板上的金属部件。 较佳的， 所述 USB接头还安装有可弯折的用于固定绝缘支架的金属挡 片， 设置在所述 USB外壳底部。 所述 USB外壳底部是指 USB外壳与外接 产品相连的部分， 外接产品即使用该 USB接头的产品。  The USB transfer signal gold finger is a metal component that is disposed and fixed on a printed circuit board. Preferably, the USB connector is further provided with a bendable metal strip for fixing the insulating bracket, which is disposed at the bottom of the USB housing. The bottom of the USB case refers to the part of the USB case that is connected to the external product, and the external product is the product that uses the USB connector.
较佳的，所述 USB外壳上具有可提供 USB外壳与外接产品固定的螺钉 孔。  Preferably, the USB housing has a screw hole for providing a USB housing and an external product.
较佳的， 所述绝缘支架的形状与所述 USB外壳的形状匹配， 匹配是指 绝缘支架的形状大小恰好插入 USB外壳。  Preferably, the shape of the insulating bracket matches the shape of the USB casing, and the matching means that the shape of the insulating bracket is exactly inserted into the USB casing.
较佳的， 所述印刷电路板为矩形， 该矩形的长宽与所述 USB传送信号 金手指的长宽匹配， 匹配是指该矩形的长度与所述 USB传送信号金手指的 长度基本一致。  Preferably, the printed circuit board is rectangular, and the length and width of the rectangle are matched with the length and width of the USB transmission signal gold finger. The matching means that the length of the rectangle is substantially the same as the length of the USB transmission signal gold finger.
较佳的， 所述 IHJ槽的长宽与印刷电路板的长宽匹配， 所述 IHJ槽的深度 与印刷电路板的厚度匹配， 匹配是指凹槽的长宽和深度恰好可以插入印刷 电路板。  Preferably, the length and width of the IHJ slot are matched with the length and width of the printed circuit board, and the depth of the IHJ slot matches the thickness of the printed circuit board. The matching means that the length and the width of the groove can be inserted into the printed circuit board. .
较佳的， 所述 USB外壳的形状以及插入印刷电路板的绝缘支架的形状 满足 USB接头工业标准要求。  Preferably, the shape of the USB housing and the shape of the insulating bracket inserted into the printed circuit board meet the requirements of the USB connector industry standard.
较佳的， 所述 USB外壳为金属材质。  Preferably, the USB housing is made of metal.
较佳的， 所述绝缘支架为塑胶材质。  Preferably, the insulating bracket is made of plastic material.
通过将 USB传送信号金手指直接设计在印刷电路板上，无需 USB传送 信号焊盘， 并且对定位柱加以改进， 从而增大了印刷电路板使用面积、 减 小了 USB设备的体积， 提高了产品的可靠性。  By designing the USB transfer signal gold finger directly on the printed circuit board, the USB signal transfer pad is not required, and the positioning post is improved, thereby increasing the printed circuit board use area, reducing the size of the USB device, and improving the product. Reliability.
下面， 结合一个优选实施例来详细描述本发明中的 USB接头。  Hereinafter, the USB connector in the present invention will be described in detail in conjunction with a preferred embodiment.
本发明实施例提供了一种 USB接头，如图 2所示， 包括 USB外壳钢片 21、 塑胶支架 24、 印刷电路板 23、 USB传送信号金手指 22、 金属挡片 25 以及螺钉孔 26。 其中， USB外壳钢片 21的形状如图 2所示， USB外壳钢 片 21用于固定塑胶支架 24并保护印刷电路板， 且 USB外壳钢片 21的形 状和大小要满足 USB接头工业标准要求。在 USB外壳钢片 21末端，即 USB 外壳钢片与使用该 USB接头的产品相连接的一端， 还设置有螺钉孔 26, 该 螺钉孔 26在设计时可以设计成与 USB外壳钢片 21是一体的，用于将 USB 接头固定在使用该接头的产品上。 印刷电路板 23与使用该 USB接头的产 品内部的印刷电路板是连为一体的， 可以理解为在制作产品时， 将产品内 部的印刷电路板增加一块面积， 用于实现本发明中的 USB接头。 印刷电路 板 23按照 USB标准长宽尺寸设计，在其上安装有 USB传送信号金手指 22, 因此， USB传送信号金手指 22可通过印刷电路板 23直接实现使用该 USB 接头的产品与 PC机之间的信号传递， 而无需 USB传送信号焊盘， 因而， 可以增大印刷电路板使用面积、 减小 USB设备体积。 其中， 在印刷电路板 23上安装 USB传送信号金手指 22的实现方式包括： 印刷电路板 23包括金 属芯和绝缘片， 则 USB传送信号金手指 22为印刷电路板 23上的部分金属 芯， 或者， USB传送信号金手指 22为额外设置并固定在印刷电路板 23上 的金属部件， 如金属片。 为了连接印刷电路板 23与 USB外壳钢片 21 , 本 发明实施例中的 USB接头中还设置有塑胶支架 24。 塑胶支架 24的形状如 图 2中所示， 塑胶支架的形状恰好与 USB外壳钢片 21的形状相吻合， 从 而可以恰好插入 USB外壳钢片 21的内部。 在塑胶支架 24上， 还设置有一 个凹槽， 用于插入印刷电路板 23 , 所以， 该凹槽的长宽恰等于印刷电路板 23的长宽， 该凹槽的深度恰等于印刷电路板 23的厚度。 在实际设计中， 可 将塑胶支架 24插入 USB外壳钢片 21并固定， 然后在塑胶支架的凹槽内部 再插入印刷电路板。 为了更好的固定塑胶支架 24, 还可以在 USB外壳钢片 的底部设置金属挡片 25 , 金属挡片 25用于固定塑胶支架 24, 当塑胶支架 24完全插入 USB外壳钢片 21之后， 可将金属挡片 25弯折， 例如弯折 90 度， 使其刚好抵住塑胶支架 24的末端， 因此， 塑胶支架 24不会向 USB外 壳末端方向滑脱， 为了更加稳妥的固定塑胶支架 24, 还要釆用一定的工艺 措施将塑胶支架 24固定在 USB外壳钢片内部， 使其不会上下滑动。 The embodiment of the invention provides a USB connector, as shown in FIG. 2, including a USB shell steel sheet. 21. A plastic holder 24, a printed circuit board 23, a USB transmission signal gold finger 22, a metal blank 25, and a screw hole 26. The shape of the USB shell steel sheet 21 is as shown in FIG. 2. The USB shell steel sheet 21 is used for fixing the plastic bracket 24 and protecting the printed circuit board, and the shape and size of the USB shell steel sheet 21 are required to meet the requirements of the USB connector industry standard. At the end of the USB shell steel sheet 21, that is, the end of the USB shell steel sheet connected to the product using the USB connector, a screw hole 26 is also provided, which can be designed to be integrated with the USB shell steel sheet 21 at the time of design. Used to secure the USB connector to the product that uses the connector. The printed circuit board 23 is integrated with the printed circuit board inside the product using the USB connector. It can be understood that when manufacturing the product, the printed circuit board inside the product is increased by an area for implementing the USB connector in the present invention. . The printed circuit board 23 is designed according to the USB standard length and width dimensions, and the USB transmission signal gold finger 22 is mounted thereon. Therefore, the USB transmission signal gold finger 22 can directly realize the product and the PC using the USB connector through the printed circuit board 23. The signal transmission between the two does not require the USB to transmit the signal pad, thereby increasing the printed circuit board area and reducing the size of the USB device. The implementation manner of installing the USB transfer signal gold finger 22 on the printed circuit board 23 includes: the printed circuit board 23 includes a metal core and an insulating sheet, and the USB transfer signal gold finger 22 is a part of the metal core on the printed circuit board 23, or The USB transfer signal gold finger 22 is a metal member, such as a metal piece, additionally provided and fixed on the printed circuit board 23. In order to connect the printed circuit board 23 and the USB housing steel sheet 21, a plastic holder 24 is further disposed in the USB connector in the embodiment of the present invention. The shape of the plastic holder 24 is as shown in Fig. 2. The shape of the plastic holder coincides with the shape of the USB housing steel sheet 21 so that it can be inserted into the inside of the USB housing steel sheet 21. On the plastic support 24, a recess is also provided for inserting the printed circuit board 23, so that the length and width of the recess are exactly equal to the length and width of the printed circuit board 23, and the depth of the recess is exactly equal to the printed circuit board 23. thickness of. In the actual design, the plastic bracket 24 can be inserted into the USB shell steel sheet 21 and fixed, and then the printed circuit board can be inserted inside the groove of the plastic bracket. In order to better fix the plastic bracket 24, a metal baffle 25 can also be arranged at the bottom of the USB shell steel sheet, and the metal baffle 25 is used for fixing the plastic bracket 24, when the plastic bracket 24 After the USB housing steel sheet 21 is fully inserted, the metal blank 25 can be bent, for example, bent 90 degrees so that it just abuts against the end of the plastic holder 24, so that the plastic holder 24 does not slip toward the end of the USB housing. In order to fix the plastic bracket 24 more securely, the plastic bracket 24 is fixed inside the USB shell steel sheet by a certain process, so that it does not slide up and down.
本发明实施例中的 USB接头，通过直接将 USB传送信号金手指设置在 印刷电路板上， 使 USB传送信号金手指可以直接通过印刷电路板与使用该 USB接头的产品实现信息传递，从而省去了现有技术中与印刷电路板相连、 起桥梁作用的 USB传送信号焊盘，从而减小了 USB接头的体积； 并通过将 USB接头固定在外接产品上的螺钉孔代替将 USB接头固定在产品的印刷电 路板上的定位柱的方式， 大大增大了印刷电路板使用面积， 而且， 有 USB 外壳钢片进行保护， 也提高了产品的可靠性。 本发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于发明权利 要求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。  The USB connector in the embodiment of the present invention can directly transmit the USB transmission signal gold finger on the printed circuit board, so that the USB transmission signal gold finger can directly transmit information through the printed circuit board and the product using the USB connector, thereby eliminating the need for the information. The prior art USB transmission signal pad connected to the printed circuit board and functioning as a bridge, thereby reducing the volume of the USB connector; and fixing the USB connector to the product by fixing the USB connector to the screw hole of the external product The positioning of the column on the printed circuit board greatly increases the printed circuit board area, and the USB shell steel sheet protects the product and improves the reliability of the product. The spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and the modifications

Claims

权利要求书 Claim
1、 一种 USB接头， 包括： USB外壳， 其特征在于， 还包括： 带有凹 槽的绝缘支架、用于与 PC机 USB接口相连接的 USB传送信号金手指以及 印刷电路板， 其中，  A USB connector, comprising: a USB housing, further comprising: an insulating bracket with a recess, a USB transfer signal gold finger connected to a USB interface of the PC, and a printed circuit board, wherein
所述 USB传送信号金手指安装在印刷电路板上， 所述印刷电路板插在 所述绝缘支架的凹槽内， 所述绝缘支架固定设置在所述 USB外壳中。  The USB transmission signal gold finger is mounted on a printed circuit board, the printed circuit board is inserted in a recess of the insulating bracket, and the insulating bracket is fixedly disposed in the USB housing.
2、 如权利要求 1所述的 USB接头， 其特征在于， 所述绝缘支架的形 状与所述 USB外壳的形状匹配。  The USB connector according to claim 1, wherein the shape of the insulating holder matches the shape of the USB housing.
3、 如权利要求 1所述的 USB接头， 其特征在于， 所述 USB传送信号 金手指为印刷电路板上的部分金属芯； 或，  3. The USB connector according to claim 1, wherein the USB transfer signal is a part of a metal core on a printed circuit board; or
所述 USB传送信号金手指为设置并固定在印刷电路板上的金属部件。 The USB transfer signal gold finger is a metal component that is disposed and fixed on a printed circuit board.
4、 如权利要求 1所述的 USB接头， 其特征在于， 所述印刷电路板为 矩形， 该矩形的长度与所述 USB传送信号金手指的长度匹配。 4. The USB connector of claim 1, wherein the printed circuit board is rectangular, and the length of the rectangle matches the length of the USB transmission signal gold finger.
5、 如权利要求 1至 4任一项所述的 USB接头， 其特征在于， 所述凹 槽的长宽与印刷电路板的长宽匹配， 所述 IHJ槽的深度与印刷电路板的厚度 匹配。  The USB connector according to any one of claims 1 to 4, wherein the length and width of the groove match the length and width of the printed circuit board, and the depth of the IHJ groove matches the thickness of the printed circuit board. .
6、 如权利要求 5所述的 USB接头， 其特征在于， 还包括： 安装有可 弯折的用于固定绝缘支架的金属挡片， 设置在所述 USB外壳底部。  6. The USB connector of claim 5, further comprising: a metal flap for bending the insulating holder mounted thereon, disposed at the bottom of the USB housing.
7、 如权利要求 6所述的 USB接头， 其特征在于， 所述 USB外壳上具 有可提供 USB外壳与外接产品固定的螺钉孔。  7. The USB connector of claim 6, wherein the USB housing has a screw hole for providing a USB housing and an external product.
8、 如权利要求 7所述的 USB接头， 其特征在于， 所述 USB外壳的形 状以及插入印刷电路板的绝缘支架的形状满足 USB接头工业标准要求。  8. The USB connector of claim 7, wherein the shape of the USB housing and the shape of the insulating holder inserted into the printed circuit board meet the requirements of the USB connector industry standard.
9、 如权利要求 8所述的 USB接头， 其特征在于， 所述 USB外壳为金 属材质。  9. The USB connector according to claim 8, wherein the USB housing is made of a metal material.
10、 如权利要求 8所述的 USB接头， 其特征在于， 所述绝缘支架为塑 /3/:〇 so2/-ososil£AV 10. The USB connector of claim 8, wherein the insulating bracket is plastic /3/:〇so2/-ososil£AV
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