WO2021027262A1 - 一种抽屉导轨 - Google Patents

一种抽屉导轨 Download PDF

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Publication number
WO2021027262A1
WO2021027262A1 PCT/CN2020/073084 CN2020073084W WO2021027262A1 WO 2021027262 A1 WO2021027262 A1 WO 2021027262A1 CN 2020073084 W CN2020073084 W CN 2020073084W WO 2021027262 A1 WO2021027262 A1 WO 2021027262A1
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WIPO (PCT)
Prior art keywords
synchronization
slide rail
synchronous
rail
slide
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PCT/CN2020/073084
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English (en)
French (fr)
Inventor
邢望
祝灼芳
资斌
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广东库博精密科技有限公司
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Publication of WO2021027262A1 publication Critical patent/WO2021027262A1/zh

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    • 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
    • A47B88/447—Simultaneous movement of rails within drawer slides, i.e. with a coordination of movement with all rail elements moving at the same time
    • 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
    • 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
    • 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
    • A47B88/90—Constructional details of drawers

Definitions

  • the invention relates to the technical field of drawer slide rail structures, in particular to a drawer guide rail.
  • Normal drawer guide rails are divided into upper, middle and lower sections. There are rollers or balls between the upper rail and the middle rail, and between the middle rail and the lower rail. The rollers and balls are constrained by the cage. Because the drawer moves between the guide rails Friction, so it saves effort. In the use of three-section guide rails, it was found that due to differences in the accuracy of parts and assembly methods, the rolling friction between the rails was uneven, and the opening and closing sequence between the slide rails was uncertain, resulting in drag on the left and right sides of the drawer. The dynamic resistance is inconsistent and affects the feel, which needs to be improved.
  • CN103027502B specifically discloses a balance and stabilization mechanism for drawer slide rails, which realizes synchronous sliding of the middle slide rail and the movable slide rail by using a double linkage gear set, but its technical solution is the same as the synchronization mechanism of the traditional guide rail.
  • the cage is provided with a rack that cooperates with the synchronizing element. In this way, the cage and the rack must be integrated in the gap position between the middle slide and the movable slide, or the middle slide and the The position of the gap between the slide rails is determined, which leads to high assembly difficulty and stringent requirements on the structure of the cage, resulting in high cost.
  • the purpose of the present invention is to provide a drawer guide rail that is easy to assemble and has reliable performance.
  • the present invention provides a solution for a drawer guide rail, comprising a fixed slide rail, a middle slide rail and a movable slide rail that are slidably connected to each other, and a first holder is provided between the fixed slide rail and the middle slide rail
  • a second cage is provided between the middle slide rail and the movable slide rail, and further includes a synchronization element, a first synchronization slide bar and a second synchronization slide bar, the first synchronization slide bar and the second synchronization slide bar are independently fixed They are arranged on the movable slide rail and the fixed slide rail, the synchronization element is rotatably arranged on the middle slide rail, and the synchronization elements are all coordinated with the first synchronization slide bar and the second synchronization slide bar.
  • the synchronization element is rotatably arranged at the bottom end of the outer side wall of the middle slide rail, wherein the tooth surfaces of the first synchronization slide bar and the second synchronization slide bar are arranged horizontally opposite to each other, and the left and right sides of the synchronization element
  • the toothed surfaces of the first synchronous slide bar and the toothed surfaces of the second synchronous slide bar mesh and cooperate with each other.
  • the synchronizing element is a gear
  • the first synchronizing sliding bar and the second synchronizing sliding bar are both racks that mesh and cooperate with the synchronizing element.
  • the synchronization element is rotatably connected to the bottom end of the outer side wall of the middle slide rail through a preset vertical shaft.
  • the bottom end of the outer side wall of the middle slide rail is provided with an accommodation groove for accommodating the synchronization element, and the teeth on the left and right sides of the synchronization element respectively pass through the two arms of the accommodation groove.
  • the profile surface and the tooth profile surface of the second synchronous sliding bar are meshed and cooperated.
  • the second synchronous sliding bar is fixedly arranged on the second outer side wall of the fixed sliding rail, and the toothed surface of the second synchronous sliding bar is arranged horizontally outward and extending along the drawing direction.
  • first synchronous sliding bar is fixedly arranged on the first outer side wall of the movable sliding rail, and the escape horizontal groove of the first synchronous sliding bar is arranged extending in the drawing direction.
  • first synchronous sliding bar is exposed and fixed to the bottom end of the first outer side wall of the movable sliding rail.
  • the beneficial effects of the present invention are: during the sliding process of the movable slide rail, the first cage and the second cage are used as the sliding support between the fixed slide rail, the middle slide rail and the movable slide rail, and the upper synchronous slide bar
  • the coordination between the synchronization element and the lower synchronization slide can effectively ensure the synchronization and stability of the fixed slide rail, the middle slide rail and the movable slide rail during the drawing process. It has the characteristics of simple and reasonable structure, reliable performance, and smooth and stable drawing process.
  • Fig. 1 is a schematic structural diagram of the drawer guide rail of the embodiment.
  • Figure 2 is a bottom view of the drawer guide of the embodiment.
  • Figure 3 is a cross-sectional view of the drawer rail of the embodiment.
  • Figure 4 is an exploded view of the drawer rail of the embodiment.
  • Fig. 5 is a schematic diagram of the fixed slide rail of the embodiment.
  • Fig. 6 is a schematic diagram of the middle sliding rail of the embodiment.
  • Fig. 7 is a schematic diagram of the movable sliding rail of the embodiment.
  • 1- fixed slide rail 11- first outer side wall, 2- middle slide rail, 3- movable slide rail, 31- second outer side wall, 4- first cage, 5- second cage, 6
  • the first synchronous slider 7-second synchronous slider, 8-synchronous element.
  • a drawer guide rail includes a fixed slide rail 1, a middle slide rail 2 and a movable slide rail 3 that are slidably connected to each other, wherein the fixed slide rail 1
  • a first holder 4 is provided between the middle slide rail 2 and a second holder 5 is provided between the middle slide rail 2 and the movable slide rail 3.
  • the first holder 4 and the second holder 5 of this embodiment are both It consists of a ball mounting frame and several balls mounted on the ball mounting frame, and the first cage 4 and the second cage 5 of the present application are not provided with racks, and the first cage 4 and the second cage are used 5 As the slidable support of the fixed slide rail 1 and the middle slide rail 2, the middle slide rail 2 and the movable slide rail 3.
  • the drawing direction of the guide rail is defined as the front and rear direction, and the drawing direction perpendicular to the drawing direction is the left and right direction.
  • the synchronization element 8 is a gear
  • both the first synchronization slide 6 and the second synchronization slide 7 It is a rack that meshes and cooperates with the synchronizing element 8.
  • the first synchronous sliding bar 6 and the second synchronous sliding bar 7 are independently fixed on the movable sliding rail 3 and the fixed sliding rail 1 respectively, that is, the second synchronous sliding bar 7 of this embodiment is fixedly arranged on the first of the fixed sliding rail 1.
  • the toothed surface of the second synchronous slide bar 7 is horizontally outward and extends in the drawing direction.
  • the second synchronous slide bar 7 of this embodiment can be fixed by fastening, welding, screws, etc. It is fixedly arranged on the second outer side wall 11 of the fixed slide rail 1.
  • the above-mentioned connection method is a conventional technical means for those skilled in the art, and no creative work is required. Therefore, this application is not limited to the specific fixing method used. .
  • the first synchronous sliding bar 6 of this embodiment can be fixedly arranged on the first outer side wall 31 of the movable sliding rail 3. Specifically, the first synchronous sliding bar 6 of this embodiment is fixedly arranged on the first outer side wall 31 of the movable sliding rail 3. 31, the toothed surface of the first synchronous slider 6 faces horizontally inward and extends along the drawing direction.
  • the first synchronous slider 6 of this embodiment can be fixed by fastening, welding, screws, etc.
  • the above-mentioned connection method is a conventional technical means for those skilled in the art, and no creative work is required. Therefore, the application is not limited to the specific fixing method used .
  • first synchronization slider 6 and the second synchronization slider 7 are arranged horizontally opposite to each other.
  • first synchronous sliding bar 6 of this embodiment is completely exposed and arranged on the bottom end of the first outer side wall 31 of the movable sliding rail 3, while the second synchronous sliding bar 7 is partially exposed and arranged on the second outer side wall 11 of the fixed sliding rail 1. .
  • the synchronization element 8 is rotatably connected to the bottom end of the outer side wall of the middle slide rail 2 through a preset vertical axis, and the bottom end of the outer side wall of the middle slide rail 2 is opened to extend upward and accommodate the synchronization element.
  • the synchronizing element 8 is placed horizontally in the accommodating groove and connected to the top surface of the accommodating groove through the vertical shaft through the central perforation of the synchronizing element 8, thereby realizing the rotation of the synchronizing element 8 in the middle sliding On track 2.
  • the teeth on the left and right sides of the synchronizing element 8 respectively pass through the two sides of the accommodating groove and the two arms respectively mesh and cooperate with the tooth profile of the first synchronous slide 6 and the tooth profile of the second synchronous slide 7.
  • the fixed slide rail 1 is used for fixing on the furniture cabinet
  • the moving slide rail 3 is used for fixing on the drawer
  • the moving slide rail 3 is synchronously driven to slide by pulling the drawer, using the first holder 4 and the second holder 4
  • the cage 5 serves as a sliding support between the fixed slide rail 1, the middle slide rail 2 and the movable slide rail 3. Therefore, during the sliding process of the movable slide rail 3, the upper synchronous slide bar, the synchronization element 8 and the lower synchronous slide bar
  • the coordination among the three can effectively ensure the synchronization and stability of the fixed slide rail 1, the middle slide rail 2 and the movable slide rail 3 during the drawing process.

Abstract

一种抽屉导轨，包括相互滑动连接的定滑轨（1）、中滑轨（2）及动滑轨（3），定滑轨（1）与中滑轨（2）之间设有第一保持架（4），中滑轨（2）与动滑轨（3）之间设有第二保持架（5），还包括同步元件（8）、第一同步滑条（6）以及第二同步滑条（7），第一同步滑条（6）和第二同步滑条（7）分别独立固定设于动滑轨（3）和定滑轨（1）上，同步元件（8）转动设置于中滑轨（2）上，且同步元件（8）均与第一同步滑条（6）和第二同步滑条（7）啮合协同配合，具有结构简单合理、性能可靠、抽拉过程顺畅平稳等特点。

Description

一种抽屉导轨 技术领域
本发明涉及抽屉滑轨结构的技术领域，尤其是涉及一种抽屉导轨。
背景技术
通常的抽屉导轨分上、中、下三节，上轨与中轨、中轨与下轨之间都有滚柱或者滚珠，滚柱和滚珠由保持架约束，由于抽屉移动时导轨之间是滚动摩擦，所以比较省力。在三节导轨的使用中，人们发现由于零件的精度以及装配手段存在差异，造成轨与轨之间的滚动摩擦力不均匀，滑轨之间开合的顺序不确定，致使抽屉左右两侧的拖动阻力不一致，影响手感，这点是需要改进的。
而在CN103027502B中具体公开了一种抽屉滑轨的平衡稳定机构，其通过使用双联动齿轮组令中滑轨与动滑轨实现了同步滑动，但是其技术方案和传统导轨的同步机构一样，均是在保持架上设置有与同步元件相协同配合的齿条，这样的方式这必须将保持架和齿条作为一体设置在中滑轨与动滑轨之间的间隙位置、或者中滑轨与定滑轨之间的间隙位置，从而导致装配难度高以及对于保持架的结构要求苛刻，使得造价成本高。
发明内容
针对现有技术的不足，本发明的目的在于提供一种易于装配、性能可靠的抽屉导轨。
为实现上述目的，本发明提供的方案为一种抽屉导轨，包括相互滑动连接的定滑轨、中滑轨及动滑轨，所述定滑轨与中滑轨之间设有第一保持架，中滑轨与动滑轨之间设有第二保持架，还包括同步元件、第一同步滑条以及第二同步滑条，所述第一同步滑条和第二同步滑条分别独立固定设于动滑轨和定滑轨上，所述同步元件转动设置于中滑轨上，且所述同步元件均与第一同步滑条和第二同步滑条协同配合。
进一步，所述同步元件转动设于中滑轨的外侧壁底端，其中，所述第一同步滑条与第二同步滑条的齿形面呈水平相对布置，并且所述同步元件左右两侧的分别与第一同步滑条的齿形面和第二同步滑条的齿形面相啮合协同配合。
进一步，所述同步元件为齿轮，所述第一同步滑条以及第二同步滑条均为与同步元件相啮合协同的齿条。
进一步，所述同步元件通过预设有的竖轴转动连接在中滑轨的外侧壁底端。
进一步，所述中滑轨的外侧壁底端开有用于容纳同步元件的容纳槽，所述同步元件 左右两侧的齿部分别穿出容纳槽的两侧臂分别与第一同步滑条的齿形面和第二同步滑条的齿形面相啮合协同配合。
进一步，所述第二同步滑条固定设于定滑轨的第二外侧壁上，所述第二同步滑条的齿形面水平朝外且沿抽拉方向延伸布置。
进一步，所述第一同步滑条固定设于动滑轨的第一外侧壁上，所述第一同步滑条的吃幸免水平槽内且沿抽拉方向延伸布置。
进一步，所述第一同步滑条外露固定于动滑轨的第一外侧壁底端。
本发明的有益效果为：在动滑轨滑动的过程中，利用第一保持架和第二保持架作为定滑轨、中滑轨及动滑轨之间的滑动支撑，以及通过上同步滑条、同步元件和下同步滑条三者之间的协同配合，有效地保证定滑轨、中滑轨及动滑轨在抽拉过程中的同步性及稳定性。具有结构简单合理、性能可靠、抽拉过程顺畅平稳等特点。
附图说明
图1为实施例的抽屉导轨的结构示意图。
图2为实施例的抽屉导轨的仰视图。
图3为实施例的抽屉导轨的剖视图。
图4为实施例的抽屉导轨的爆炸图。
图5为实施例的定滑轨的示意图。
图6为实施例的中滑轨的示意图。
图7为实施例的动滑轨的示意图。
其中，1-定滑轨，11-第一外侧壁，2-中滑轨，3-动滑轨，31-第二外侧壁，4-第一保持架，5-第二保持架，6-第一同步滑条，7-第二同步滑条，8-同步元件。
具体实施方式
为了便于理解本发明，下面参照附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施方式。提供这些实施方式的目的是使对本发明的公开内容理解得更加透彻全面。需要说明的是，本发明所述“第一”、“第二”不代表具体的数量及顺序，仅仅用于名称的区分。
参见附图1至附图7所示，在本实施例中，一种抽屉导轨，包括有相互滑动连接的定滑轨1、中滑轨2及动滑轨3，其中，在定滑轨1与中滑轨2之间设有第一保持架4，中滑轨2与动滑轨3之间设有第二保持架5，本实施例的第一保持架4和第二保持架5均由滚珠安装架以及若干个安装在滚珠安装架上的滚珠，并且本申请的第一保持架4和第二保持架 5上均不设有齿条，利用第一保持架4和第二保持架5作为定滑轨1与中滑轨2、中滑轨2与动滑轨3的可滑动地支撑。本实施例的定义导轨抽拉方向为前后方向，垂直于抽拉方向为左右方向。
在本实施例中，还包括同步元件8、第一同步滑条6以及第二同步滑条7，其中，同步元件8为齿轮，所述第一同步滑条6以及第二同步滑条7均为与同步元件8相啮合协同的齿条。第一同步滑条6和第二同步滑条7分别独立固定设于动滑轨3和定滑轨1上，即，本实施例的第二同步滑条7固定设于定滑轨1的第二外侧壁11上，并且第二同步滑条7的齿形面水平朝外且沿抽拉方向延伸布置，本实施例的第二同步滑条7可通过扣接、焊接、螺丝等固定方式以固定设于定滑轨1的第二外侧壁11上，上述的连接方式对于本领域技术人员而言属常规技术手段，无需付出创造性劳动，由此本申请不限于采用了何种具体的固定方式。本实施的第一同步滑条6可固定设于动滑轨3的第一外侧壁31上，具体地，本实施例的第一同步滑条6固定设于动滑轨3的第一外侧壁31上，第一同步滑条6的齿形面水平朝内且沿抽拉方向延伸布置，同样地，本实施例的第一同步滑条6可通过扣接、焊接、螺丝等固定方式以固定设于动滑轨3的第一外侧壁31底端，上述的连接方式对于本领域技术人员而言属常规技术手段，无需付出创造性劳动，由此本申请不限于采用了何种具体的固定方式。
由此可见，第一同步滑条6与第二同步滑条7的齿形面呈水平相对布置。其次，本实施例的第一同步滑条6完全外露设置在动滑轨3的第一外侧壁31底端，而第二同步滑条7部分外露设置在定滑轨1的第二外侧壁11。
在本实施例中，同步元件8通过预设有的竖轴转动连接在中滑轨2的外侧壁底端，并且在中滑轨2的外侧壁底端开有用于朝上延伸且容纳同步元件8的容纳槽，从而令同步元件8呈水平放置在容纳槽中以及通过竖轴穿设过同步元件8中部穿孔后连接至容纳槽的顶面上，进而实现了同步元件8转动设置于中滑轨2上。另外，同步元件8左右两侧的齿部分别穿出容纳槽的两侧臂分别与第一同步滑条6的齿形面和第二同步滑条7的齿形面相啮合协同配合。
由此，定滑轨1用于固定在家具柜体上，动滑轨3用于固定在抽屉上；通过抽拉抽屉以同步带动动滑轨3进行滑动，利用第一保持架4和第二保持架5作为定滑轨1、中滑轨2及动滑轨3之间的滑动支撑，因此，在动滑轨3滑动的过程中，通过上同步滑条、同步元件8和下同步滑条三者之间的协同配合，有效地保证定滑轨1、中滑轨2及动滑轨3在抽拉过程中的同步性及稳定性。
以上所述之实施例仅为本发明的较佳实施例，并非对本发明做任何形式上的限制。任何熟悉本领域的技术人员，在不脱离本发明技术方案范围情况下，利用上述揭示的技术内容对本发明技术方案作出更多可能的变动和润饰，或修改均为本发明的等效实施例。故凡未脱离本发明技术方案的内容，依据本发明之思路所作的等同等效变化，均应涵盖于本发明的保护范围内。

Claims (8)

  1. 一种抽屉导轨，包括相互滑动连接的定滑轨(1)、中滑轨(2)及动滑轨(3)，所述定滑轨(1)与中滑轨(2)之间设有第一保持架(4)，中滑轨(2)与动滑轨(3)之间设有第二保持架(5)，其特征在于：还包括同步元件(8)、第一同步滑条(6)以及第二同步滑条(7)，所述第一同步滑条(6)和第二同步滑条(7)分别独立固定设于动滑轨(3)和定滑轨(1)上，所述同步元件(8)转动设置于中滑轨(2)上，且所述同步元件(8)均与第一同步滑条(6)和第二同步滑条(7)协同配合。
  2. 根据权利要求1所述的一种抽屉导轨，其特征在于：所述同步元件(8)转动设于中滑轨(2)的外侧壁底端，其中，所述第一同步滑条(6)与第二同步滑条(7)的齿形面呈水平相对布置，并且所述同步元件(8)左右两侧的分别与第一同步滑条(6)的齿形面和第二同步滑条(7)的齿形面相啮合协同配合。
  3. 根据权利要求2所述的一种抽屉导轨，其特征在于：所述同步元件(8)为齿轮，所述第一同步滑条(6)以及第二同步滑条(7)均为与同步元件(8)相啮合协同的齿条。
  4. 根据权利要求2所述的一种抽屉导轨，其特征在于：所述同步元件(8)通过预设有的竖轴转动连接在中滑轨(2)的外侧壁底端。
  5. 根据权利要求3所述的一种抽屉导轨，其特征在于：所述中滑轨(2)的外侧壁底端开有用于容纳同步元件(8)的容纳槽，所述同步元件(8)左右两侧的齿部分别穿出容纳槽的两侧臂分别与第一同步滑条(6)的齿形面和第二同步滑条(7)的齿形面相啮合协同配合。
  6. 根据权利要求3所述的一种抽屉导轨，其特征在于：所述第二同步滑条(7)固定设于定滑轨(1)的外侧壁上，所述第二同步滑条(7)的齿形面水平朝外且沿抽拉方向延伸布置。
  7. 根据权利要求3所述的一种抽屉导轨，其特征在于：所述第一同步滑条(6)固定设于动滑轨(3)的外侧壁上，所述第一同步滑条(6)的齿形面水平朝内且沿抽拉方向延伸布置。
  8. 根据权利要求7所述的一种抽屉导轨，其特征在于：所述第一同步滑条(6)外露固定于动滑轨(3)的外侧壁底端。
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