WO2014000579A1 - 一种用于插拔pcb板的连杆装置 - Google Patents

一种用于插拔pcb板的连杆装置 Download PDF

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Publication number
WO2014000579A1
WO2014000579A1 PCT/CN2013/077253 CN2013077253W WO2014000579A1 WO 2014000579 A1 WO2014000579 A1 WO 2014000579A1 CN 2013077253 W CN2013077253 W CN 2013077253W WO 2014000579 A1 WO2014000579 A1 WO 2014000579A1
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WO
WIPO (PCT)
Prior art keywords
bottom plate
carrier
rod
pcb board
pull rod
Prior art date
Application number
PCT/CN2013/077253
Other languages
English (en)
French (fr)
Inventor
李爽
赵钧
杨成鹏
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2014000579A1 publication Critical patent/WO2014000579A1/zh
Priority to US14/472,744 priority Critical patent/US9373914B2/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62983—Linear camming means or pivoting lever for connectors for flexible or rigid printed circuit boards, flat or ribbon cables
    • H01R13/62988—Lever acting directly on flexible or rigid printed circuit boards, flat or ribbon cables, e.g. recess provided to this purposeon the surface or edge of the flexible or rigid printed circuit boards, flat or ribbon cables
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/185—Mounting of expansion boards
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/18—Packaging or power distribution
    • G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
    • G06F1/186—Securing of expansion boards in correspondence to slots provided at the computer enclosure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances

Definitions

  • a connecting rod device for plugging and unplugging a PCB board The application request is submitted to the Chinese Patent Office on June 27, 2012, and the application number is
  • the present invention relates to a link device, and more particularly to a link device for inserting and removing a PCB. Background technique
  • Peripheral Component Interconnect Express is a bus interface board used to interconnect peripheral devices such as computers or communication platform applications. It is widely used in servers and other products.
  • the PCI Express interface varies depending on the bus width, including XI, X4, X8, and X16. A shorter PCI expansion card can be inserted into a longer PCI Express slot.
  • PCI expansion cards come in a range of standards, including form factor and size, which can be purchased directly when in use. In order to increase the maintainability of the system, as well as the needs of assembly, etc., in products such as servers, there is often a need for hot plugging of PCI expansion cards. Moreover, the circuit itself can also support hot swapping. However, in the prior art, the connector of the PCI expansion card is located on the adjacent side of the face of the panel, rather than the opposite side of the conventional board. Due to the special form of the PCI expansion card, it is not possible to directly insert and remove the panel. Instead, it needs to take out the chassis, open the chassis cover and pull it out from the upper part, which makes it difficult to implement the PCI expansion card under the constant power and continuous service requirements of the device. Hot plugging is required.
  • the purpose of the embodiments of the present invention is to provide a connecting rod device capable of two-dimensional insertion and removal of a PCB board including a PCI expansion card, which can meet the requirements of hot plugging under continuous power and continuous business conditions.
  • the embodiment of the present invention provides a link device for inserting and removing a PCB board, and the link device is disposed on the bottom plate and Between the boards, the carrier board is used for fixing the PCB board, the bottom connecting rod device is disposed between the bottom board and the carrier board, and the carrier board is used for fixing the PCB board, the bottom board and the loading board
  • the board and the PCB board are parallel to each other;
  • the link device includes a pull rod and a swing rod, and the pull rod and the swing rod rotate
  • the pull rod and the bottom plate are connected to the first fixing pin through the horizontal guiding groove, the first fixing pin is movable in the horizontal guiding groove, and the outward end of the pulling rod forms a handle, and the pulling handle can push and pull
  • the swing rod has an inner and outer movement;
  • the swing rod has an "L" shape, the first end is rotatably connected with the pull rod, the middle corner is rotatably connected
  • the link device further comprises a locking mechanism for preventing the carrier plate from sliding freely during insertion and removal.
  • the locking mechanism is disposed under the pull rod, and includes a lock lever and an elastic device for resetting the lock lever;
  • the lock lever includes a first side, a second side, and a first a third side, one end of the first side is free and a hook-shaped hook end is formed upward, and the other end is connected to the first end of the second side and is hinged on the bottom plate at the joint, the first a second end of the two sides is connected to one end of the third side, and the other end of the third side is a free end, the first side and the second side, the second side and the The third side is connected at an angle; the pull rod protrudes downwardly with a boss, and in the pull-out position of the pull rod, the inner end of the boss and the hook end of the lock bar are stuck And, when the bottom plate and the carrier are loaded with the load, the free end of the lock bar contacts the load and is stressed.
  • one end of the elastic device is fixed to the hook end of the lock bar, and the other end is fixed to the bottom plate.
  • the other end of the elastic device passes through a convex hull disposed on the bottom plate and is fixed.
  • the elastic device is a spring piece or a snap spring.
  • the horizontal rods are provided with two horizontal guiding grooves at a certain interval, and each of the horizontal guiding grooves is correspondingly provided with a first fixing pin movable therein.
  • the third fixing pin has two or more than two, and includes a first fixing pin connecting the pull rod and the bottom plate; each of the third fixing pins is correspondingly disposed in different said vertical positions In the straight guide groove.
  • the PCB board is a PCI expansion card.
  • the horizontal guide groove is defined in the bottom plate, and the first fixed pin is disposed on the pull rod.
  • the horizontal guiding slot is defined on the pull rod, and the first fixing pin is disposed on the bottom plate.
  • the carrier plate is provided with a fixing hole, and the second end of the swinging rod is provided with a second fixing pin, The second fixing pin passes the fixing hole to fix the swinging rod to the carrier.
  • the second end of the swinging rod is provided with a fixing hole
  • the carrier board is provided with a second fixing pin
  • the second fixing pin passes the fixing hole to the swinging rod and the carrier board fixed.
  • an embodiment of the present invention further provides a finished board including a bottom board, a carrier board, a PCB board fixed to the carrier board, and the above-mentioned connecting rod device for inserting and removing the PCB board.
  • an embodiment of the present invention further provides a subrack for inserting a finished board, which includes a slide, the finished board is the above-mentioned finished board, and the slide is adapted to the bottom of the finished board. , for sliding loading or unloading of the finished board.
  • the connecting rod device, the finished board and the insert frame for inserting and removing the PCB board provided by the embodiment of the invention drive the swing rod through the pull rod, so that the vertical movement of the carrier board can be driven, so that the pull rod can be pushed through the push rod under the condition of constant power
  • the hot plugging of the PCI expansion card fixed on the carrier board and the insertion and removal of other PCB boards that require two-dimensional plugging and unplugging can be realized.
  • the connecting rod device used in the embodiment of the invention has the advantages of simple structure, reliability and good operability.
  • FIG. 1 is a schematic view showing a state in which a drawbar is pulled out in a first embodiment of the present invention
  • Figure 2 is a schematic view showing the push-in state of the drawbar of Figure 1;
  • FIG. 3 is a schematic view showing the assembly of the carrier plate, the link device, and the bottom plate in the first embodiment of the present invention
  • FIG. 4 is a schematic view of the assembled product plate of FIG. 3;
  • Figure 5 is an enlarged schematic view of the locking mechanism of Figure 2;
  • Figure 6 is a schematic view of a link device in a second embodiment of the present invention.
  • Figure 7 is a schematic view of a link device in a third embodiment of the present invention.
  • Figure 8 is a schematic illustration of a bezel provided by the present invention.
  • a first embodiment of the present invention provides a connecting rod device for inserting and removing a PCB board.
  • a link device for inserting and removing a PCB board which includes a tie rod 1 and a swing lever 2.
  • the link device is disposed between the bottom plate 3 and the carrier plate 8, and the carrier plate 8 is used to fix the PCB board 9, and the bottom plate 3, the carrier plate 8 and the PCB board 9 are parallel to each other.
  • the thickness of the bottom plate 3, the carrier plate 8, and the PCB board 9 are small relative to the respective lengths and widths, the above-mentioned respective plates can be approximated as a plane, and therefore, the bottom plate 3 and the carrier plate 8 are Parallel to the PCB board 9 is actually parallel to each other between their sides. Specifically, as shown in FIG.
  • a PCB board slot 19 for fixing a PCB board is mounted on the carrier board 8.
  • the PCB board is defined by four card slots, and when the carrier board 8 is driven up and down by the pull rod 1 That is, the PCB board is moved up and down, so that the PCB board can be inserted and removed.
  • the tie rod 1 and the swing rod 2 are hinged, and the horizontal rod 4 is opened on the pull rod 1, and the bottom plate 3 is provided with a first fixing pin 6, and the first fixing pin 6 connects the rod 1 to the bottom plate 3.
  • the first fixing pin 6 can move in the horizontal guiding groove 4, as shown in FIG. 1 to move horizontally inward or outward, wherein the inward and outward directions are inside and outside the chassis where the PCB board is in use.
  • the outward end of the pull rod can form a handle, and the pull handle can push and pull the inner and outer movement of the pull rod.
  • the handle refers to a region or a position where the thrust or the tension can be applied manually and mechanically, including various shapes and structures, which may be a straight line, a hook shape, etc., and will not be described herein.
  • the swinging rod 2 has an "L" shape, the first end is hinged to the tie rod 1, the middle corner is hinged to the bottom plate 3, and the second end is provided with a fixing hole 5. It should be noted that the "L" type of the swing lever 2 can change the orientation of the up and down and the left and right according to the actual use, and it becomes possible to form a "7" shape, a "" shape, a "" shape, and all belong to the "L” shape. The scope.
  • the hinge refers to a flexible connection, which is divided into a virtual hinge, a real hinge, a single hinge, a double hinge, etc., and is a connection method for realizing relative rotation of two connected objects. It is not only possible to achieve the articulation by a conventional hinge, for example, a combination of a fixing pin and a hole, or other conventional means, which will not be described herein. In addition, in addition to the articulation, other types of rotational connection may be used in the link device provided by the embodiment of the present invention.
  • the hinge is only an example, and the embodiment of the present invention is not limited thereto.
  • the carrier plate 8 is provided with a second fixing pin 10, and the second fixing pin 10 passes through the fixing hole 5 to fix the swinging lever 2 and the carrier 8.
  • the bottom plate 3 is provided with a third fixing pin 11 for connecting the bottom plate 3 and the carrier plate 8.
  • the carrier plate 8 is provided with a vertical guiding groove 7, and the third fixing pin 11 can be in the vertical guiding groove
  • the tie rod 1 is provided with two horizontal guide grooves 4 with a certain interval, and each of the horizontal guide grooves is provided with a first fixed pin movable therein. 6.
  • the hinge position of the tie rod 1 and the swing lever 2 is higher than that of the horizontal guide groove 4.
  • the third fixing pin 11 has a plurality of, and includes a first fixing pin 6 for fixing the tie rod 1 and the bottom plate 3. That is, each of the third fixing pins 11 fixes the bottom plate 3 and the carrier plate 8, and in the preferred case, the first fixing pin connecting the bottom plate 3 and the tie rod 1 is always connected to the carrier plate 8, so that the connection bottom plate 3 is realized. In addition to the function of the tie rod 1, the functions of the fixed base plate 3 and the carrier plate 8 are also completed. In this case, the range of the third fixing pin 11 includes the first fixing pin 6. Each of the third fixing pins 11 is correspondingly disposed in each of the different vertical guide grooves 7.
  • the link device further includes a locking mechanism 12 for preventing the carrier 3 from slipping freely during insertion and removal.
  • the locking mechanism 12 is disposed below the tie rod 1 and near the outside of the tie rod 1. The lower and outer sides defined here are defined in the direction in which the PCB is in the normal use state.
  • the locking mechanism 12 includes a lock lever 13 and an elastic device 14 for resetting the lock lever 13;
  • the lock lever 13 includes a first side, a second side, and a third side which are connected in order from top to bottom, One end of one side is free and hook-shaped hook end 15 is formed upward, the other end is connected with the first end of the second side and is hinged on the bottom plate 3 at the joint, which can be realized by a hinge, the second side
  • the second end is connected to one end of the third side, and the other end of the third side is a free end 16, and the first side and the second side are connected at an angle between the second side and the third side.
  • the pull rod 1 protrudes downwardly with a boss. At the pull-out position of the pull rod 1, the inner end 17 of the boss engages with the hook end 15 of the lock lever 13, and when the bottom plate 3 and the carrier 8 are loaded with the load, the lock The free end 16 of the rod is in contact with the load and is stressed.
  • the pull rod 1 is pushed, the pull rod 1 is horizontally moved, and the swing rod 2 is driven by the pull rod 1
  • the hinge point hinged by the bottom plate 3 is swung to drive the carrier board 8 on which the PCB board is mounted to move downward, so that the PCB board is inserted into the back board to complete the insertion of the PCB board.
  • the pull rod 1 In the process of pulling out the PCB, the pull rod 1 is moved outward, and the lock rod 13 is pressed by the boss of the pull rod 1.
  • the hook end 15 When the pull rod 1 is pulled out to a certain position, the hook end 15 is in contact with the inner end 17 of the boss, and is elastic. Under the action of the resetting of the device 14, the hook end 15 is immediately engaged with the inner end 17 of the boss, so that the pull rod 1 cannot be freely moved.
  • the swinging rod 2 is swung, so that the carrier board 8 is moved upward, so that the PCB board is pulled up vertically from the back board, because the hook end 15 is engaged with the boss inner end 17. Then, the carrier 8 on which the PCB board 9 is mounted does not freely slide down during the movement from the inside to the outside.
  • one end of the elastic device 14 is fixed to the hook end 15 of the lock bar 13, and the other end is fixed to the bottom plate 3.
  • the elastic device 14 is a spring piece or a snap spring, and the other end of the elastic device 14 passes through the convex hull 18 provided on the bottom plate 3 and is fixed.
  • the PCB board 9 is a PCI expansion card.
  • the second embodiment of the present invention is as shown in FIG. 6, which differs from the first embodiment in that the pull rod 1 drives the movement of two or more swing rods 2, and the swing rod 2 is located on the same side of the horizontal groove 4, and other implementation details. Reference may be made to the first embodiment and the preferred or alternatives described therein, and details are not described herein again.
  • the third embodiment of the present invention is similar to the second embodiment, as shown in Fig. 7, with the difference that the two swing bars 2 shown in Fig. 6 are located on the upper and lower sides of the horizontal groove 4.
  • the horizontal guide groove 4 is provided on the bottom plate 3 instead of being disposed on the tie rod 1, and the corresponding first fixed pin 6 is provided on the tie rod 1 instead of being disposed on the bottom plate 3.
  • Other Embodiment Details A fifth embodiment of the present invention: a fixing hole 5 is provided on the carrier 8 instead of being disposed at the second end of the swing lever 2, and a corresponding second fixing pin 10 is provided at the second end of the swing lever 2 instead of being disposed at The carrier board 8 will not be described here. Similar modifications can be made to the fourth and fifth embodiments as follows: There are a plurality of swinging levers 2, and the swinging lever 2 is located on the same side or both sides of the horizontal groove 4.
  • the connecting rod device for inserting and removing the PCB board provided by the embodiment of the present invention drives the swinging rod through the pull rod, so that the vertical movement of the carrying board can be driven, so that the pulling rod can be realized by the push-pull rod under the condition of constant power. Hot swapping of PCI expansion cards fixed on the carrier board and insertion and removal of other PCB boards that require two-dimensional plugging and unplugging.
  • the connecting rod device adopted in the embodiment of the invention has the advantages of simple structure, reliability and good operability.
  • an embodiment of the present invention further provides a finished board 22, which can be referred to FIG. 4, the finished board includes a bottom board 3, a carrier board 8, a PCB board 9 fixed on the carrier board, and the above-mentioned plug-in The connecting rod device of the PCB board.
  • the embodiment of the present invention further provides a frame 20 for inserting a finished board.
  • the utility model comprises a slide 21, and the finished board 22 is the finished board 22, and the slide is The track 21 is adapted to the bottom of the finished panel 22 for sliding loading or removal of the finished panel 22.
  • the finished board provided by the embodiment of the invention and the insert frame for inserting the finished board wherein the connecting rod device adopts the connecting rod device provided by the embodiment of the invention, and the swinging rod is driven by the pulling rod, so that the carrying board can be driven vertically
  • the straight motion enables the hot plugging of the PCI expansion card fixed on the carrier board and the insertion and removal of other PCB boards that need to be two-dimensionally inserted and removed by the push-pull rod in the case of uninterrupted power.
  • the finished board with the above-described link device capable of two-dimensional insertion and removal can also be applied to a horizontal frame and a scene in which the back plate is vertically mounted.
  • it can also be used for the back plate to be disposed at an intermediate horizontal position, and the finished plate with the above-mentioned connecting rod device is vertically inserted up and down or front to back.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种用于插拔PCB板的连杆装置，连杆装置设置在底板（3）和载板（8）之间，载板用于固定所述PCB板（9），连杆装置包括拉杆（1）和摆动杆（2），拉杆和摆动杆转动连接，拉杆和底板通过水平导槽（4）和第一固定销（6）连接；摆动杆呈"L"形，第一端与拉杆转动连接，中部拐角处与底板转动连接，第二端与所述载板固定；第三固定销（11）将底板和载板连接。通过拉杆驱动摆动杆，可以带动载板竖直运动，从而能够在系统不断电的情况下，推拉拉杆即可实现固定在载板上的PCI扩展卡的热插拔以及其他需要进行二维插拔的PCB板的插拔。

Description

一种用于插拔 PCB板的连杆装置 本申请要求于 2012年 6月 27日提交中国专利局、 申请号为
201210214481.7, 发明名称为 "一种用于插拔 PCB板的连杆装置" 的中国专 利申请的优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种连杆装置， 尤其涉及一种用于插拔 PCB板的连杆装置。 背景技术
PCI扩展卡 ( Peripheral Component Interconnect Express )用来互联如计算机 或通信平台应用中外围设备的总线接口板， 普遍应用于服务器等产品中。 PCI Express的接口根据总线位宽不同而有所差异， 包括 XI、 X4、 X8以及 X16。 较短的 PCI扩展卡可以插入较长的 PCI Express插槽中使用。
PCI扩展卡具有其系列标准， 包括外形及尺寸， 使用时可直接采购。 为增 加系统的可维护性， 以及装配等需要， 在服务器等产品中， 经常有对 PCI扩展 卡热插拔的需求。 并且， 其电路自身也能够支持热插拔。 但现有技术中， PCI 扩展卡的连接器， 其位于面板所在面的相邻边， 而非常规板子的相对边。 由于 PCI扩展卡的特殊形态， 使得其无法直接在面板处插拔， 而是需要拿出机箱， 打开机箱盖后从上部拔出，从而很难实现设备不断电和不断业务要求下的 PCI 扩展卡热插拔需要。
此外，除了 PCI扩展卡之外，还存在其他的 PCB板（ Printed Circuit Board 印 刷电路板）需要二维插拔的情况，现有技术中实现二维插拔的机构尚不够方便 可靠。
发明内容
本发明实施例的目的在于提供一种能够满足不断电和不断业务情况下的热 插拔需要， 实现包括 PCI扩展卡在内的 PCB板二维插拔的连杆装置。
为了解决现有技术中 PCI扩展卡不能简单方便的进行热插拔的技术问题， 本发明实施例提供了一种用于插拔 PCB板的连杆装置， 所述连杆装置设置在 底板和载板之间， 所述载板用于固定所述 PCB板， 所述底所述连杆装置设置 在底板和载板之间， 所述载板用于固定所述 PCB板， 所述底板、 载板和 PCB 板相互平行； 所述连杆装置包括拉杆和摆动杆， 所述拉杆和所述摆动杆转动连 接， 所述拉杆和所述底板通过水平导槽和第一固定销连接， 所述第一固定销能 够在所述水平导槽中移动， 所述拉杆向外的一端形成拉手， 所述拉手能够推拉 所述拉杆内外运动； 所述摆动杆呈 "L" 形， 第一端与所述拉杆转动连接， 中 部拐角处与所述底板转动连接， 第二端与所述载板固定； 第三固定销将所述底 板和所述载板连接， 所述载板设置有竖直导槽， 所述第三固定销能够在所述竖 直导槽中移动。
其中， 所述连杆装置还包括用于防止所述载板在插拔时自由滑落的锁紧机 构。
其中， 所述锁紧机构设置在所述拉杆的下方， 其包括锁杆和用于使锁杆复 位的弹性装置； 所述锁杆包括至上而下依次连接的第一边、 第二边和第三边， 所述第一边的一端为自由的且向上形成勾状的卡勾端，另一端与所述第二边的 第一端连接并且在连接处铰接在所述底板上，所述第二边的第二端与所述第三 边的一端连接，所述第三边的另一端为自由端，所述第一边与所述第二边之间、 所述第二边与所述第三边之间均呈一定角度连接； 所述拉杆向下凸出有凸台， 在所述拉杆的拉出位置， 所述凸台的内端与所述锁杆的所述卡勾端卡合，在所 述底板和载板装入装载物时， 所述锁杆的所述自由端与所述装载物接触并受 力。
其中， 所述弹性装置的一端固定于所述锁杆的所述卡勾端， 另一端固定于 所述底板上。
其中， 所述弹性装置的所述另一端穿过设置在所述底板上的凸包并固定。 其中， 所述弹性装置为弹片或卡簧。
其中， 所述拉杆上开设有两条具有一定间隔的所述水平导槽， 每一条所述 水平导槽中对应地设置有能在其中移动的第一固定销。
其中， 所述第三固定销有两个或多于两个， 并包括将所述拉杆和所述底板 连接的第一固定销； 每一个所述第三固定销对应设置在不同的所述竖直导槽 中。
其中， 所述 PCB板为 PCI扩展卡。
其中， 所述底板上开设所述水平导槽， 所述拉杆上设置所述第一固定销。 其中， 所述拉杆上开设所述水平导槽， 所述底板上设置所述第一固定销。 其中， 所述载板上设置固定孔， 所述摆动杆的所述第二端设置第二固定销， 所述第二固定销穿过所述固定孔将所述摆动杆与所述载板固定。
其中， 所述摆动杆的所述第二端设置固定孔， 所述载板上设置有第二固定 销， 所述第二固定销穿过所述固定孔将所述摆动杆与所述载板固定。
其中， 所述摆动杆为多个， 所述摆动杆位于所述水平凹槽的同一侧或两侧。 相应的， 本发明实施例还提供了一种成品板， 其包括底板、 载板、 固定于 所述载板上的 PCB板以及上述的用于插拔 PCB板的连杆装置。
相应的， 本发明实施例还提供了一种用于插接成品板的插框， 其包括滑道， 所述成品板为上述的成品板， 所述滑道与所述成品板的底部适配， 用于所述成 品板的滑动装入或取出。
本发明实施例提供的用于插拔 PCB板的连杆装置、 成品板以及插框， 通过 拉杆驱动摆动杆， 从而可以带动载板竖直运动， 从而能够在不断电的情况下， 通过推拉拉杆，即可实现固定在载板上的 PCI扩展卡的热插拔以及其他需要进 行二维插拔的 PCB板的插拔。 本发明实施例采用的连杆装置结构简单、 可靠， 操作性良好。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例中所需要 使用的附图作简单地介绍，显而易见地， 下面描述中的附图仅仅是本发明的一 些实施例， 对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还 可以根据这些附图获得其他的附图。
图 1是本发明第一实施方式中的拉杆拉出状态的示意图；
图 2是图 1的拉杆推入状态的示意图；
图 3是本发明第一实施方式中的载板、 连杆装置、 底板的装配示意图； 图 4是图 3的装配后的成品板示意图；
图 5是图 2中锁紧机构的放大示意图；
图 6是本发明第二实施方式中的连杆装置示意图；
图 7是本发明第三实施方式中的连杆装置示意图；
图 8是本发明提供的插框的示意图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进 行清楚、 完整地描述。 请一并参阅图 1 至图 5 , 本发明第一实施方式提供的一种用于插拔 PCB 板的连杆装置。
如图 1所示， 公开了一种用于插拔 PCB板的连杆装置， 所述连杆装置包 括拉杆 1和摆动杆 2。如图 4所示，所述连杆装置设置在底板 3和载板 8之间， 载板 8用于固定 PCB板 9, 底板 3、 载板 8和 PCB板 9相互平行。 需要说明 的是， 由于底板 3、 载板 8和 PCB板 9的厚度相对于各自长度和宽度都是很 小的数量， 因此上述各板近似的可以看成平面， 因此， 底板 3、 载板 8和 PCB 板 9相互平行实际上是它们的侧面之间相互平行。 具体而言， 如图 4所示， 载 板 8上安装有用于固定 PCB板的 PCB板卡槽 19, PCB板由 4个卡槽限定位 置， 当载板 8在拉杆 1的驱动下上下运动时即带动 PCB板上下运动， 从而实 现 PCB板的插拔。
如图 1和图 2所示，拉杆 1和摆动杆 2铰接，拉杆 1上开设有水平导槽 4, 底板 3上设置有第一固定销 6, 第一固定销 6将拉杆 1与底板 3连接， 所述第 一固定销 6能够在水平导槽 4中移动，如图 1所示为在向内或向外的水平移动， 其中向内和向外是以 PCB板在使用状态下的所在机箱内外方向定义的。 拉杆 向外的一端可以形成拉手， 拉手能够推拉所述拉杆内外运动。 需要说明的是， 拉手是指可以人工和机械施加推力或拉力的区域或位置，包括常见的各种形状 和结构， 可以是直线型、 勾形等， 在此不再贅述。 摆动杆 2呈 "L" 形， 第一 端与拉杆 1铰接， 中部拐角处与底板 3铰接， 第二端设置固定孔 5。 需要说明 的是， 摆动杆 2的 "L" 型可以根据实际使用情况改变上下、 左右的朝向， 变 成 "7" 形、 "「" 形、 "」" 形都可行， 均属于 "L" 形的范围。
需要说明的是， 如本领域技术人员所熟知的， 铰接是指一种柔性连接， 分 为虚铰、 实铰、单铰、复铰等，是实现两连接物体可相对转动的一种连接方式， 并非只能通过常规的铰链来实现铰接， 例如采用固定销与孔的组合， 或其他的 常规方式均可实现铰接， 在此不再贅述。 另外， 除铰接外， 本发明实施例提供 的连杆装置中还可以采用其它的转动连接方式，铰接仅为一示例， 本发明实施 例并不以此为限。
如图 3所示， 载板 8上设置有第二固定销 10, 第二固定销 10穿过所述固 定孔 5将摆动杆 2与载板 8固定。底板 3上设置有将底板 3和载板 8连接的第 三固定销 11 , 载板 8设置有竖直导槽 7, 第三固定销 11能够在所述竖直导槽 优选的，如图 1和图 2所示，拉杆 1上开设有两条具有一定间隔的水平导 槽 4,每一条所述水平导槽中对应的设置有一个能在其中移动的第一固定销 6。 并且， 拉杆 1与摆动杆 2的铰接位置高于水平导槽 4。
优选的， 如图 3所示， 第三固定销 11有多个， 并包括将拉杆 1和底板 3 固定的第一固定销 6。 即， 每个第三固定销 11均将底板 3和载板 8固定， 在 本优选情况下， 连接底板 3和拉杆 1的第一固定销一直连接到载板 8上，从而 在实现连接底板 3和拉杆 1的功能之外也完成了固定底板 3和载板 8的功能。 这种情况下， 第三固定销 11 的范围包括了第一固定销 6。 每一个所述第三固 定销 11对应设置在每一个不同的竖直导槽 7中。
由于在成品板的插入和拔出的过程中， 装有 PCB板 9的载板 8需要在竖 直方向的上面位置， 以防止 PCB板连接器和背板连接器碰撞。 因此， 如图 2 所示， 所述连杆装置还包括用于防止载板 3在插拔时自由滑落的锁紧机构 12。 锁紧机构 12设置在拉杆 1的下方， 并且靠近拉杆 1的外侧。此处限定的下方、 外侧均是以 PCB板在一般使用状态的方向定义。
如图 5所示， 锁紧机构 12包括锁杆 13和用于使锁杆 13复位的弹性装置 14; 锁杆 13包括至上而下依次连接的第一边、 第二边和第三边， 第一边的一 端为自由的且向上形成勾状的卡勾端 15 , 另一端与所述第二边的第一端连接 并且在连接处铰接在底板 3上， 可以通过铰链实现， 第二边的第二端与第三边 的一端连接， 第三边的另一端为自由端 16, 第一边与第二边之间、 第二边与 第三边之间均呈一定角度连接。本领域技术人员应该理解到呈一定角度是要完 成锁杆 13的转动功能， 以及卡勾端 15的卡合和自由端 16与装载物的作用而 需要的一定范围的角度，该角度根据实际情况，包括锁紧机构的具体安装位置、 大小等决定。 因此， 不必具体限定该角度的具体数值和范围， 该一定角度界定 的范围依然是清楚的。
拉杆 1向下凸出有凸台， 在拉杆 1的拉出位置， 凸台的内端 17与锁杆 13 的卡勾端 15卡合，在底板 3和载板 8装入装载物时，锁杆的自由端 16与装载 物接触并受力。
那么， 在固定在一起的底板 3、 载板 8和 PCB板 9处于拉出的位置时， 锁杆 13的卡勾端 15卡装在拉杆 1的凸台内端 17处， 此时拉杆 1无法水平运 动.当底板 3、载板 8装入时，锁杆 13的自由端 15与装载物的底面接触并受力， 那么，锁杆 13绕铰接点转动，使卡勾端 15逐步与拉杆 1的凸台内端 17脱离， 当完全装入到位后， 卡勾端 15与凸台内端 17完全脱离， 此时推动拉杆 1 , 拉 杆 1做水平运动， 在拉杆 1的带动下摆动杆 2绕与底板 3铰接的铰接点摆动， 从而带动安装有 PCB板的载板 8向下运动， 使 PCB板插装入背板， 完成 PCB 板的插入。
在 PCB的拔出过程则是相反， 拉杆 1向外运动， 锁杆 13受到拉杆 1凸台 的压力， 当拉杆 1拉出到一定位置， 卡勾端 15与凸台内端 17接触， 在弹性装 置 14的复位作用下， 卡勾端 15立刻与凸台内端 17卡合， 从而使拉杆 1不能 在随意运动。 在拉杆 1的向外运动过程中， 带动摆动杆 2摆动， 从而使载板 8 向上运动， 从而 PCB板从背板中竖直向上拔出， 由于卡勾端 15与凸台内端 17卡合， 那么， 安装有 PCB板 9的载板 8在由内向外的移动过程中， 不会自 由滑落。
优选的， 如图 5所示， 弹性装置 14的一端固定于锁杆 13的卡勾端 15 , 另一端固定于底板 3上。
进一步的， 弹性装置 14为弹片或卡簧， 弹性装置 14的另一端穿过设置在 底板 3上的凸包 18并固定。
优选的， 所述 PCB板 9为 PCI扩展卡。
本发明第二实施方式如图 6 所示， 其与第一实施方式的区别在于拉杆 1 带动 2个或多个摆动杆 2的运动，摆动杆 2位于水平凹槽 4的同一侧， 其它实 施细节可以参考第一实施例及其中介绍的优选或可选方案， 在此不再贅述。
本发明第三实施方式与第二实施方式近似， 如图 7所示， 区别在于： 图 6 所示的两个摆动杆 2位于水平凹槽 4的上下两侧。
本发明的第四实施方式： 水平导槽 4设置在底板 3上代替设置在拉杆 1 上，对应的第一固定销 6设置在拉杆 1上代替设置在底板 3上。其它实施细节 本发明的第五实施方式： 固定孔 5设置在载板 8上代替设置在摆动杆 2 的第二端， 对应的第二固定销 10设置在摆动杆 2的第二端代替设置在载板 8 在此不再赘述。 对应第四和第五实施方式也可以进行以下类似变形： 摆动杆 2为多个，摆 动杆 2位于水平凹槽 4的同一侧或两侧。
可见， 本发明实施例提供的用于插拔 PCB板的连杆装置， 通过拉杆驱动 摆动杆， 从而可以带动载板竖直运动， 从而能够在不断电的情况下， 通过推拉 拉杆，即可实现固定在载板上的 PCI扩展卡的热插拔以及其他需要进行二维插 拔的 PCB板的插拔。 本发明实施例采用的连杆装置结构简单、 可靠， 操作性 良好。
相应的， 本发明实施例还提供了一种成品板 22, 可以参考图 4, 该成品板 包括底板 3、载板 8、 固定于所述载板上的 PCB板 9以及上述的用于插拔 PCB 板的连杆装置。
相应的， 本发明实施例还提供了一种用于插接成品板的插框 20, 如图 8 所示， 其包括滑道 21 , 所述成品板 22为上述的成品板 22, 所述滑道 21与所 述成品板 22的底部适配， 用于所述成品板 22的滑动装入或取出。
可见， 本发明实施例提供的成品板以及用于插接成品板的插框， 其中的连 杆装置采用了本发明实施例提供的连杆装置，通过拉杆驱动摆动杆，从而可以 带动载板竖直运动， 从而能够在不断电的情况下， 通过推拉拉杆， 实现固定在 载板上的 PCI扩展卡的热插拔以及其他需要进行二维插拔的 PCB板的插拔。
此外，带有上述能够进行二维插拔的连杆装置的成品板还可应用于水平插 框， 将背板竖直安装的场景。 另外还可以用于背板设置在中间水平位置， 带有 上述连杆装置的成品板竖直上下对插或前后对插的情况。以上所述是本发明的 优选实施方式， 应当指出， 对于本技术领域的普通技术人员来说， 在不脱离本 发明原理的前提下，还可以做出若干改进和润饰， 这些改进和润饰也视为本发 明的保护范围。

Claims

权 利 要 求
1.一种用于插拔 PCB板的连杆装置， 其特征在于，
所述连杆装置设置在底板和载板之间， 所述载板用于固定所述 PCB板， 所述底板、 载板和 PCB板相互平行；
所述连杆装置包括拉杆和摆动杆， 所述拉杆和所述摆动杆转动连接， 所述 拉杆和所述底板通过水平导槽和第一固定销连接，所述第一固定销能够在所述 水平导槽中移动， 所述拉杆向外的一端形成拉手， 所述拉手能够推拉所述拉杆 内夕卜运动；
所述摆动杆呈 "L" 形， 第一端与所述拉杆转动连接， 中部拐角处与所述 底板转动连接， 第二端与所述载板固定； 第三固定销将所述底板和所述载板连 接， 所述载板设置有竖直导槽， 所述第三固定销能够在所述竖直导槽中移动。
2. 根据权利要求 1所述的用于插拔 PCB板的连杆装置， 其特征在于， 所 述连杆装置还包括用于防止所述载板在插拔时自由滑落的锁紧机构。
3. 根据权利要求 2所述的用于插拔 PCB板的连杆装置， 其特征在于， 所述锁紧机构设置在所述拉杆的下方，其包括锁杆和用于使锁杆复位的弹 性装置；
所述锁杆包括至上而下依次连接的第一边、第二边和第三边， 所述第一边 的一端为自由的且向上形成勾状的卡勾端，另一端与所述第二边的第一端连接 并且在连接处铰接在所述底板上，所述第二边的第二端与所述第三边的一端连 接， 所述第三边的另一端为自由端， 所述第一边与所述第二边之间、 所述第二 边与所述第三边之间均呈一定角度连接；
所述拉杆向下凸出有凸台，在所述拉杆的拉出位置， 所述凸台的内端与所 述锁杆的所述卡勾端卡合，在所述底板和载板装入装载物时， 所述锁杆的所述 自由端与所述装载物接触并受力。
4. 根据权利要求 3所述的用于插拔 PCB板的连杆装置， 其特征在于， 所 述弹性装置的一端固定于所述锁杆的所述卡勾端， 另一端固定于所述底板上。
5. 根据权利要求 4所述的用于插拔 PCB板的连杆装置， 其特征在于， 所 述弹性装置的所述另一端穿过设置在所述底板上的凸包并固定。
6. 根据权利要求 3所述的用于插拔 PCB板的连杆装置， 其特征在于， 所 述弹性装置为弹片或卡簧。
7. 根据权利要求 1-6任一项所述的用于插拔 PCB板的连杆装置， 其特征 在于， 所述拉杆上开设有两条具有一定间隔的所述水平导槽，每一条所述水平 导槽中对应地设置有能在其中移动的第一固定销。
8. 根据权利要求 1所述的用于插拔 PCB板的连杆装置， 其特征在于， 所 述第三固定销有两个或多于两个，并包括将所述拉杆和所述底板连接的第一固 定销； 每一个所述第三固定销对应设置在不同的所述竖直导槽中。
9.根据权利要求 1-8任一项所述的用于插拔 PCB板的连杆装置，其特征在 于， 所述 PCB板为 PCI扩展卡。
10. 根据权利要求 1所述的用于插拔 PCB板的连杆装置， 其特征在于， 所述底板上开设所述水平导槽， 所述拉杆上设置所述第一固定销。
11. 根据权利要求 1所述的用于插拔 PCB板的连杆装置，其特征在于，所 述拉杆上开设所述水平导槽， 所述底板上设置所述第一固定销。
12. 根据权利要求 1所述的用于插拔 PCB板的连杆装置， 其特征在于， 所述载板上设置固定孔， 所述摆动杆的所述第二端设置第二固定销， 所述第二 固定销穿过所述固定孔将所述摆动杆与所述载板固定。
13. 根据权利要求 1所述的用于插拔 PCB板的连杆装置， 其特征在于， 所述摆动杆的所述第二端设置固定孔， 所述载板上设置有第二固定销， 所述第 二固定销穿过所述固定孔将所述摆动杆与所述载板固定。
14. 根据权利要求 1或 10或 12所述的用于插拔 PCB板的连杆装置， 其 特征在于，所述摆动杆为多个，所述摆动杆位于所述水平凹槽的同一侧或两侧。
15. 一种成品板， 其特征在于， 其包括底板、 载板、 固定于所述载板上的 PCB板以及根据权利要求 1-14任一项所述用于插拔 PCB板的连杆装置。
16. 一种用于插接成品板的插框， 其包括滑道， 其特征在于， 所述成品板 为如权利要求 15所述的成品板， 所述滑道与所述成品板的底部适配， 用于所 述成品板的滑动装入或取出。
PCT/CN2013/077253 2012-06-27 2013-06-14 一种用于插拔pcb板的连杆装置 WO2014000579A1 (zh)

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