WO2015161666A1 - 三段式隐藏滑轨机构 - Google Patents

三段式隐藏滑轨机构 Download PDF

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Publication number
WO2015161666A1
WO2015161666A1 PCT/CN2014/095509 CN2014095509W WO2015161666A1 WO 2015161666 A1 WO2015161666 A1 WO 2015161666A1 CN 2014095509 W CN2014095509 W CN 2014095509W WO 2015161666 A1 WO2015161666 A1 WO 2015161666A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide rail
rail
movable
bracket
shaped
Prior art date
Application number
PCT/CN2014/095509
Other languages
English (en)
French (fr)
Inventor
陆斌武
许兴隆
钱峰
Original Assignee
无锡海达尔精密滑轨有限公司
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 无锡海达尔精密滑轨有限公司 filed Critical 无锡海达尔精密滑轨有限公司
Priority to US15/122,928 priority Critical patent/US9945416B2/en
Publication of WO2015161666A1 publication Critical patent/WO2015161666A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/045—Ball or roller bearings having rolling elements journaled in one of the moving parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/44—Sequencing or synchronisation of drawer slides or functional units
    • A47B88/45—Synchronisation of cooperating drawer slides, i.e. with a coordination of the rail movement of different drawer slides
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/045—Ball or roller bearings having rolling elements journaled in one of the moving parts
    • F16C29/046—Ball or roller bearings having rolling elements journaled in one of the moving parts with balls journaled in pockets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0032—Balls
    • A47B2210/0035—Balls cages therefor, e.g. for telescopic slides
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/007—Three slide synchronisation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/0072—Coordinating mechanisms for sequential drawer slides, e.g. by cable
    • A47B2210/0075—Coordinating mechanisms for sequential drawer slides, e.g. by cable using gears
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/0078—Drawers with parallel guidance or synchronization by pinion-shaft linkages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2314/00—Personal or domestic articles, e.g. household appliances such as washing machines, dryers
    • F16C2314/70—Furniture
    • F16C2314/72—Drawers

Definitions

  • the present invention relates to a drawer slide rail technology, specifically a three-stage hidden slide rail mechanism.
  • the existing drawer slide rails are generally divided into two types: a clear type and a hidden type, wherein the hidden drawer slide rails are widely used in closed objects such as furniture drawers and refrigerator drawers, and the hidden slide rails mainly have two sections. Both form and three-stage form.
  • the existing three-stage hidden slide rails are mostly side buckle type, and are symmetrically mounted in pairs on both sides of the fixed object and the drawer, wherein the fixed rail of the slide rail is mounted on the outer side of the fixed object, and the movable rail of the slide rail is fixed. On the side of the drawer, and the movable rail and the fixed rail are connected through the middle rail.
  • the present invention provides a three-stage hidden slide rail, which can solve the problem that the existing three-stage hidden slide rails are not synchronized during use, which affects the use.
  • the technical solution is such that it includes a slide rail mechanism that is paired and symmetrically mounted on the left side and the right side of the movable body, and the slide rail mechanism includes a fixed rail, a middle rail, and a movable rail, and the fixed rail passes through
  • the fixed rail bracket is mounted on the fixed body, and the movable rail is mounted on the side of the movable body through the movable rail bracket.
  • the fixed rail and the movable rail are respectively provided with horizontal parallel sliding guide grooves, and the middle rail is upper,
  • the lower ends are respectively mounted in the sliding guide grooves of the movable rails and the fixed rails, and the middle rails are slidable along the sliding guide grooves of the fixed rails, and the movable rails can be along the middle rails Sliding, characterized in that: the left and right side rail mechanisms are connected by a synchronization mechanism, and the synchronization mechanism includes a rack and pinion mechanism horizontally mounted on the left side and the right side rail mechanism.
  • the rack and pinion mechanism on the left and right side rail mechanisms are connected by a connecting shaft.
  • the rack and pinion mechanism includes a synchronizing gear and a rack, and the synchronizing gear is coupled to the movable rail through a gear bracket, and the rack guides along the fixed rail
  • the groove direction is mounted on the fixed rail bracket, the gear is meshed with the rack
  • the gear bracket includes a movable rail connecting portion and a gear connecting portion, and the movable rail connecting portion has an n-shaped cross section, and the movable rail a clamping leg is disposed on the inner walls of the two sides of the connecting portion, and the two sides of the sliding end of the movable rail are provided with mounting holes, the locking legs are locked in the mounting hole, and the movable rail connecting portion faces the other
  • the gear connecting portion is disposed on one side of the outer wall of the one side rail mechanism, the gear connecting portion is in the shape of a disk, and the side surface of the synchronous gear facing the other side rail mechanism is provided with an axial protrusion.
  • the axial protrusion has a shaft hole, the connecting shaft is installed in the shaft hole, and the other side of the synchronous gear has a coaxial circular groove, and the circular groove is uniformly distributed in the circumferential direction Set up a barb-shaped bump, the three barb-shaped bumps being hooked with the disc-shaped gear connecting portion, so that the synchronizing gear can rotate around the disc-shaped gear connecting portion;
  • a movable transmission frame is respectively disposed in the movable guide rail, and a steel ball hole is arranged on a sidewall of both ends of the lip transmission frame, a steel ball is disposed in the lip transmission frame, and the steel ball is made of the steel a ball hole is defined, the upper end and the lower end of the middle rail are respectively inserted into the port type transmission frame and supported by the steel ball, and a steel ball installed in the port type transmission frame of the fixed rail passes through the port a steel ball hole on the type transmission frame is in contact with the inner surface of the fixed rail, and a steel ball installed in the mouth type transmission frame of the
  • the sliding rail mechanisms are connected by a synchronizing mechanism.
  • the synchronizing mechanism can ensure the synchronous sliding of the sliding rail mechanisms on both sides, so that the movable body can smoothly slide during the sliding process.
  • FIG. 1 is a schematic exploded view of components of a three-stage hidden slide rail mechanism of the present invention
  • FIG. 2 is a schematic cross-sectional view of a three-stage hidden slide rail mechanism of the present invention
  • FIG. 3 is a three-stage hidden slide rail mechanism of the present invention.
  • FIG. 4 is a schematic structural view of a three-stage hidden slide rail mechanism in a pulled state according to the present invention
  • FIG. 5 is a schematic structural view of a three-stage hidden slide rail mechanism in a closed state according to the present invention
  • 6 is a first perspective structural view of a synchronous gear in a three-stage hidden slide rail mechanism of the present invention
  • FIG. 7 is a second perspective structural view of a synchronous gear in a three-stage hidden slide rail mechanism of the present invention.
  • the three-stage hidden slide rail mechanism of the present invention comprises a slide rail mechanism which is installed in pairs and symmetrically mounted on the left side and the right side of the movable body, and the slide rail mechanism comprises a fixed guide rail 1, a middle rail 2 and
  • the movable rail 3 is fixed to the fixed body by the fixed rail bracket 4, and the movable rail 3 is mounted on the side of the movable body through the movable rail bracket 5, and the fixed rail 1 and the movable rail 3 are all horizontally parallel sliding guide grooves.
  • the upper and lower ends of the middle rail 2 are respectively mounted in the sliding guide groove of the movable rail 3 and the fixed rail 1, and the middle rail 2 can slide along the sliding guide groove of the fixed rail 1, and the movable rail 3 can be along the same
  • the rail 2 is slipped, and the left and right rail mechanisms are connected by a synchronizing mechanism, and the synchronizing mechanism includes a rack and pinion mechanism horizontally mounted on the left and right rail mechanisms, and left and right rails.
  • the rack and pinion mechanism on the mechanism is connected by a connecting shaft 29, which is not shown in the drawings.
  • the rack and pinion mechanism includes a synchronizing gear 23 and a rack 28.
  • the synchronizing gear 23 is coupled to the movable rail 3 via a gear bracket 21, and the rack 28 is mounted on the fixed rail bracket 4 in the direction of the sliding guide groove of the fixed rail 1.
  • the gear 23 is meshed with the rack 28;
  • the gear carrier 21 includes a movable rail connecting portion 30 and a gear connecting portion 22, and the movable rail connecting portion 30 has an n-shaped cross section, and both sides of the movable rail connecting portion 30 are disposed on the inner wall.
  • latching legs 32 There are the latching legs 32, and the two sides of the sliding end of the movable rail 3 are provided with mounting holes 20, the locking legs 32 are locked in the mounting holes 20, and the movable rail connecting portion 30 is connected to the one side outer wall of the other side sliding rail mechanism.
  • a gear connecting portion 22 is provided, the gear connecting portion 22 is in the shape of a disk, and the side surface of the synchronizing gear 23 facing the other side rail mechanism is provided
  • the axial protrusion 33, the axial protrusion 33 has a shaft hole 26, the connecting shaft 29 is installed in the shaft hole 26, and the other side of the synchronous gear 23 is provided with a coaxial circular groove 24, and the circular groove 24
  • the inner circumferential direction is evenly arranged with three barb-shaped protrusions 25, and the three barb-shaped protrusions 25 are hooked with the disc-shaped gear connecting portion 22 so that the synchronizing gear 23 can rotate around the disc-shaped gear connecting portion 22;
  • the movable guide rail 3 is respectively provided with a mouth type transmission frame 6, 7, and the side walls of both ends of the mouth type transmission frame 6, 7 are respectively provided with steel ball holes, and the bell type transmission frames 6 and 7 are respectively provided with steel.
  • the ball and the steel ball are limited by the steel ball hole, and the upper end and the lower end of the middle rail 2 are respectively inserted into the port type transmission frames 7, 6 and supported by the steel ball 9 and installed in the mouth type transmission frame 6 of the fixed rail 1
  • the steel ball 9-1 is in contact with the inner surface of the fixed rail 1 through the steel ball hole 8-1 on the lip type transmission frame 6, and the steel ball 9-2 mounted in the lip type transmission frame 7 of the movable rail 3 passes through the
  • the steel ball hole 8-2 on the mouth drive frame 7 is in contact with the inner surface of the movable rail 3;
  • the fixed rail bracket 4 is L-shaped, and the vertical direction of the L-shaped fixed rail bracket 4
  • the bracket 4-1 is fastened to the fixed body, and the fixed rail 1 is welded and connected to the horizontal bracket 4-2 of the L-shaped fixed rail bracket 4, and the horizontal bracket 4-2 of the L-shaped fixed rail bracket 4 has a slot 27, teeth
  • the position of the corresponding card slot 27 on the strip 28 is provided with a card hole 31,
  • FIG. 1 12 is a slide rail automatic recovery device which is connected to the fixed rail 1 through a hook 10 and a square hole 11 on the fixed rail 1, and the movable rail 3 is provided with a paddle 13 which is slid when the movable rail 3 slides.
  • the paddle 13 can drive the slider 14 on the automatic recovery device 12 to move.
  • Fig. 1 19 is a tail plug which is attached to the sliding front end portion of the movable rail 3.
  • the fixed rail, the middle rail and the movable rail have a symmetrical rail body superposed structure, so that the weight of the movable body, that is, the drawer, is evenly distributed on the sliding rail, thereby improving the stability of the structure after the rail assembly.
  • the utility model effectively avoids the deformation of the long track due to the weight, so that the transmission of the slide rail is smoother and smoother, and the service life of the slide rail is improved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Transmission Devices (AREA)

Abstract

一种三段式隐藏滑轨，其能解决现有三段式隐藏滑轨在使用过程中两侧滑轨不同步而影响使用的问题。其包括成对并且对称安装于活动体左侧、右侧的滑轨机构，滑轨机构包括固定导轨（1）、中轨（2）和活动导轨（3），固定导轨（1）通过固定导轨支架（4）安装于固定体，活动导轨（3）通过活动导轨支架（5）安装于活动体的侧面，固定导轨（1）、活动导轨（3）均开有水平平行的滑移导槽，中轨（2）的上、下两端分别安装于活动导轨（3）、固定导轨（1）的滑移导槽内，中轨（2）能沿固定导轨（1）的滑移导槽滑移、同时活动导轨（3）能沿中轨（2）滑移，左、右侧的滑轨机构之间通过同步机构连接，同步机构包括水平平行安装于左、右侧滑轨机构上的齿轮齿条机构，左侧、右侧滑轨机构上的齿轮齿条机构通过连接轴（29）连接。

Description

说明书 发明名称：三段式隐藏滑轨机构 技术领域
[0001] 本发明涉及抽屉滑轨技术， 具体为三段式隐藏滑轨机构。
背景技术
[0002] 现有的抽屉滑轨一般分为明装式和隐藏式两种， 其中隐藏式抽屉滑轨被广泛应 用于家具抽屉和冰箱抽屉等封闭对象中， 而隐藏式滑轨主要有两段式和三段式 两种形式。 现有的三段式隐藏滑轨多为侧扣式， 其成对对称安装于固定物体与 抽屉的两侧面， 其中滑轨的固定导轨安装于固定物体的外侧面， 滑轨的活动导 轨固设于抽屉的侧面， 并且活动导轨与固定导轨通过中轨连接， 在实际使用过 程中受到固定导轨、 中轨以及活动导轨之间间隙影响， 两侧的滑轨易出现滑动 不同步的现象， 导致使用者在抽屉的推拉过程中感觉不够顺滑， 甚至出现滑轨 卡死的现象， 从而给使用者带来很大的不便。
技术问题
[0003] 针对上述问题， 本发明提供了一种三段式隐藏滑轨， 其能解决现有三段式隐藏 滑轨在使用过程中两侧滑轨不同步而影响使用的问题。
问题的解决方案
技术解决方案
[0004] 其技术方案是这样的， 其包括成对并且对称安装于活动体左侧、 右侧的滑轨机 构， 所述滑轨机构包括固定导轨、 中轨和活动导轨， 所述固定导轨通过固定导 轨支架安装于固定体， 所述活动导轨通过活动导轨支架安装于所述活动体的侧 面， 所述固定导轨、 活动导轨均幵有水平平行的滑移导槽， 所述中轨的上、 下 两端分别安装于所述活动导轨、 固定导轨的滑移导槽内， 所述中轨能沿所述固 定导轨的滑移导槽滑移、 同吋所述活动导轨能沿所述中轨滑移， 其特征在于： 所述左侧、 右侧的滑轨机构之间通过同步机构连接， 所述同步机构包括水平平 行安装于左侧、 右侧滑轨机构上的齿轮齿条机构， 所述左侧、 右侧滑轨机构上 的齿轮齿条机构通过连接轴连接。 [0005] 其进一步特征在于： 所述齿轮齿条机构包括同步齿轮和齿条， 所述同步齿轮通 过齿轮支架连接安装于所述活动导轨上， 所述齿条沿所述固定导轨的滑移导槽 方向安装于所述固定导轨支架上， 所述齿轮与齿条啮合连接； 所述齿轮支架包 括活动导轨连接部与齿轮连接部， 所述活动导轨连接部的横截面为 n形， 所活动 导轨连接部的两侧内壁上均设置有卡脚， 所述活动导轨的滑移末端的两侧面幵 有安装孔， 所述卡脚卡装于所述安装孔内， 所述活动导轨连接部面向另一侧滑 轨机构的一侧外壁上连接设置有所述齿轮连接部， 所述齿轮连接部为圆盘状， 所述同步齿轮面向另一侧滑轨机构的侧面设置有轴向凸起， 所述轴向凸起幵有 轴孔， 所述连接轴安装于所述轴孔内， 所述同步齿轮的另一侧面幵有同轴的圆 形凹槽， 所述圆形凹槽内沿周向均布设置有三个倒勾状凸块， 所述三个倒勾状 凸块与所述圆盘状齿轮连接部勾合、 使得所述同步齿轮能够绕所述圆盘状齿轮 连接部转动； 所述固定导轨内、 活动导轨内分别套装有口型传动架， 所述口型 传动架的两端的侧壁上幵有钢球孔， 所述口型传动架内设置有钢球并且所述钢 球由所述钢球孔限位， 所述中轨的上端、 下端分别插接于所述口型传动架内并 由所述钢球支承， 安装于所述固定导轨的口型传动架内的钢球通过该口型传动 架上的钢球孔与所述固定导轨的内表面接触配合， 安装于所述活动导轨的口型 传动架内的钢球通过该口型传动架上的钢球孔与所述活动导轨的内表面接触配 合； 所述固定导轨支架为 L形， 所述 L形固定导轨支架的竖向支架紧固于固定体 ， 所述固定导轨焊接连接于所述 L形固定导轨支架的水平支架上， 所述 L形固定 导轨支架的水平支架端面幵有卡槽， 所述齿条上对应所述卡槽的位置设置有卡 孔， 所述 L形固定导轨支架与所述齿条通过所述卡槽与卡孔卡合连接； 所述活动 导轨的顶面设置有挂钩和安装圆孔， 所述挂钩勾合于所述活动导轨支架、 并且 所述活动导轨与所述活动导轨支架之间由铆钉通过所述安装圆孔固定连接； 所 述固定导轨、 活动导轨的内表面两端以及中轨的上、 下端面两端均设置有口型 传动架限位块。
发明的有益效果
有益效果
[0006] 与现有三段式隐藏滑轨机构相比较， 本发明的有益效果在于： 其左、 右两侧的 滑轨机构之间通过同步机构连接， 在滑轨机构滑动过程中同步机构能够保证两 侧滑轨机构同步滑动， 使得活动体在滑动过程中能够平稳滑移。
对附图的简要说明
附图说明
[0007] 图 1为本发明三段式隐藏滑轨机构各部件分解结构示意图； 图 2为本发明三段式 隐藏滑轨机构的截面示意图； 图 3为本发明三段式隐藏滑轨机构在拉幵状态的结 构示意图； 图 4为本发明三段式隐藏滑轨机构在拉幵状态的第二视角的结构示意 图； 图 5为本发明三段式隐藏滑轨机构在闭合状态的结构示意图； 图 6为本发明 三段式隐藏滑轨机构中同步齿轮的第一视角结构示意图； 图 7为本发明三段式隐 藏滑轨机构中同步齿轮的第二视角结构示意图。
本发明的实施方式
[0008] 见图 1〜图 7， 本发明三段式隐藏滑轨机构包括成对并且对称安装于活动体左侧 、 右侧的滑轨机构， 滑轨机构包括固定导轨 1、 中轨 2和活动导轨 3， 固定导轨 1 通过固定导轨支架 4安装于固定体， 活动导轨 3通过活动导轨支架 5安装于活动体 的侧面， 固定导轨 1、 活动导轨 3均幵有水平平行的滑移导槽， 中轨 2的上、 下两 端分别安装于活动导轨 3、 固定导轨 1的滑移导槽内， 中轨 2能沿固定导轨 1的滑 移导槽滑移、 同吋活动导轨 3能沿中轨 2滑移， 左侧、 右侧的滑轨机构之间通过 同步机构连接， 同步机构包括水平平行安装于左侧、 右侧滑轨机构上的齿轮齿 条机构， 左侧、 右侧滑轨机构上的齿轮齿条机构通过连接轴 29连接， 连接轴 29 在附图中未示出。
[0009] 齿轮齿条机构包括同步齿轮 23和齿条 28， 同步齿轮 23通过齿轮支架 21连接安装 于活动导轨 3上， 齿条 28沿固定导轨 1的滑移导槽方向安装于固定导轨支架 4上， 齿轮 23与齿条 28啮合连接； 齿轮支架 21包括活动导轨连接部 30与齿轮连接部 22 ， 活动导轨连接部 30的横截面为 n形， 活动导轨连接部 30的两侧内壁上均设置有 卡脚 32， 活动导轨 3的滑移末端的两侧面幵有安装孔 20， 卡脚 32卡装于安装孔 20 内， 活动导轨连接部 30面向另一侧滑轨机构的一侧外壁上连接设置有齿轮连接 部 22， 齿轮连接部 22为圆盘状， 同步齿轮 23面向另一侧滑轨机构的侧面设置有 轴向凸起 33， 轴向凸起 33幵有轴孔 26， 连接轴 29安装于轴孔 26内， 同步齿轮 23 的另一侧面幵有同轴的圆形凹槽 24， 圆形凹槽 24内沿周向均布设置有三个倒勾 状凸块 25， 三个倒勾状凸块 25与圆盘状齿轮连接部 22勾合、 使得同步齿轮 23能 够绕圆盘状齿轮连接部 22转动； 固定导轨 1内、 活动导轨 3内分别套装有口型传 动架 6、 7， 口型传动架 6、 7的两端的侧壁上均幵有钢球孔， 口型传动架 6、 7内 分别设置有钢球并且钢球由钢球孔限位， 中轨 2的上端、 下端分别插接于口型传 动架 7、 6内并由钢球 9支承， 安装于固定导轨 1的口型传动架 6内的钢球 9-1通过该 口型传动架 6上的钢球孔 8-1与固定导轨 1的内表面接触配合， 安装于活动导轨 3的 口型传动架 7内的钢球 9-2通过该口型传动架 7上的钢球孔 8-2与活动导轨 3的内表 面接触配合； 固定导轨支架 4为 L形， L形固定导轨支架 4的竖向支架 4-1紧固于固 定体， 固定导轨 1焊接连接于 L形固定导轨支架 4的水平支架 4-2上， L形固定导轨 支架 4的水平支架 4-2端面幵有卡槽 27， 齿条 28上对应卡槽 27的位置设置有卡孔 31 ， L形固定导轨支架 4与齿条 28通过卡槽 27与卡孔 31卡合连接； 活动导轨 3的顶面 设置有挂钩 16和安装圆孔 15， 挂钩 16勾合于活动导轨支架 5、 并且活动导轨 3与 活动导轨支架 5之间由铆钉通过安装圆孔 15固定连接； 固定导轨 1、 活动导轨 3的 内表面两端设置有口型传动架限位块 17， 中轨 2的上、 下端面两端均设置有口型 传动架限位块 18， 通过口型传动架限位 17、 18对口型传动架 6、 7进行限位。
[0010] 图 1中， 12为滑轨自动回收装置， 其通过固定导轨 1上的挂钩 10、 方形孔 11与固 定导轨 1连接， 活动导轨 3上设置有拨片 13， 当活动导轨 3滑动吋拨片 13能带动自 动回收装置 12上的滑块 14移动。 图 1中， 19为尾塞， 其安装于活动导轨 3的滑移 前端部。
[0011] 本发明机构中， 固定导轨、 中轨、 活动导轨呈对称型轨体叠合结构， 使得活动 体即抽屉上的重量均匀分布在滑轨上， 改善了滑轨装配后结构的稳固性， 有效 的避免了因长吋间受重而变形的情况， 使滑轨的传动更加平稳、 顺畅， 提高了 滑轨的使用寿命。

Claims

权利要求书
[权利要求 1] 三段式隐藏滑轨机构， 其包括成对并且对称安装于活动体左侧、 右侧的滑轨机构， 所述滑轨机构包括固定导轨、 中轨和活动导轨 ， 所述固定导轨通过固定导轨支架安装于固定体， 所述活动导轨 通过活动导轨支架安装于所述活动体的侧面， 所述固定导轨、 活 动导轨均幵有水平平行的滑移导槽， 所述中轨的上、 下两端分别 安装于所述活动导轨、 固定导轨的滑移导槽内， 所述中轨能沿所 述固定导轨的滑移导槽滑移、 同吋所述活动导轨能沿所述中轨滑 移， 其特征在于： 所述左侧、 右侧的滑轨机构之间通过同步机构 连接， 所述同步机构包括水平平行安装于左侧、 右侧滑轨机构上 的齿轮齿条机构， 所述左侧、 右侧滑轨机构上的齿轮齿条机构通 过连接轴连接。
[权利要求 2] 根据权利要求 1所述的三段式隐藏滑轨机构， 其特征在于： 所述齿 轮齿条机构包括同步齿轮和齿条， 所述同步齿轮通过齿轮支架连 接安装于所述活动导轨上， 所述齿条沿所述固定导轨的滑移导槽 方向安装于所述固定导轨支架上， 所述齿轮与齿条啮合连接。
[权利要求 3] 根据权利要求 2所述的三段式隐藏滑轨机构， 其特征在于： 所述齿 轮支架包括活动导轨连接部与齿轮连接部， 所述活动导轨连接部 的横截面为 n形， 所活动导轨连接部的两侧内壁上均设置有卡脚， 所述活动导轨的滑移末端的两侧面幵有安装孔， 所述卡脚卡装于 所述安装孔内， 所述活动导轨连接部面向另一侧滑轨机构的一侧 外壁上连接设置有所述齿轮连接部， 所述齿轮连接部为圆盘状， 所述同步齿轮面向另一侧滑轨机构的侧面设置有轴向凸起， 所述 轴向凸起幵有轴孔， 所述连接轴安装于所述轴孔内， 所述同步齿 轮的另一侧面幵有同轴的圆形凹槽， 所述圆形凹槽内沿周向均布 设置有三个倒勾状凸块， 所述三个倒勾状凸块与所述圆盘状齿轮 连接部勾合、 使得所述同步齿轮能够绕所述圆盘状齿轮连接部转 动。 根据权利要求 1、 2或 3中任一所述的三段式隐藏滑轨机构， 其特征 在于： 所述固定导轨内、 活动导轨内分别套装有口型传动架， 所 述口型传动架的两端的侧壁上幵有钢球孔， 所述口型传动架内设 置有钢球并且所述钢球由所述钢球孔限位， 所述中轨的上端、 下 端分别插接于所述口型传动架内并由所述钢球支承， 安装于所述 固定导轨的口型传动架内的钢球通过该口型传动架上的钢球孔与 所述固定导轨的内表面接触配合， 安装于所述活动导轨的口型传 动架内的钢球通过该口型传动架上的钢球孔与所述活动导轨的内 表面接触配合。
根据权利要求 4所述的三段式隐藏滑轨机构， 其特征在于： 所述固 定导轨支架为 L形， 所述 L形固定导轨支架的竖向支架紧固于固定 体， 所述固定导轨焊接连接于所述 L形固定导轨支架的水平支架上 ， 所述 L形固定导轨支架的水平支架端面幵有卡槽， 所述齿条上对 应所述卡槽的位置设置有卡孔， 所述 L形固定导轨支架与所述齿条 通过所述卡槽与卡孔卡合连接。
根据权利要求 4所述的三段式隐藏滑轨机构， 其特征在于： 所述活 动导轨的顶面设置有挂钩和安装圆孔， 所述挂钩勾合于所述活动 导轨支架、 并且所述活动导轨与所述活动导轨支架之间由铆钉通 过所述安装圆孔固定连接。
根据权利要求 4所述的三段式隐藏滑轨机构， 其特征在于： 所述固 定导轨、 活动导轨的内表面两端以及中轨的上、 下端面两端均设 置有口型传动架限位块。
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