WO2021093066A1 - 一种滚珠导轨缓冲器 - Google Patents

一种滚珠导轨缓冲器 Download PDF

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Publication number
WO2021093066A1
WO2021093066A1 PCT/CN2019/124378 CN2019124378W WO2021093066A1 WO 2021093066 A1 WO2021093066 A1 WO 2021093066A1 CN 2019124378 W CN2019124378 W CN 2019124378W WO 2021093066 A1 WO2021093066 A1 WO 2021093066A1
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WIPO (PCT)
Prior art keywords
sliding
rod
guide rail
ball guide
bracket
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PCT/CN2019/124378
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English (en)
French (fr)
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江曼瑶
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江曼瑶
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Publication of WO2021093066A1 publication Critical patent/WO2021093066A1/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
    • A47B88/473—Braking devices, e.g. linear or rotational dampers or friction brakes; Buffers; End stops
    • A47B88/477—Buffers; End stops

Definitions

  • the utility model relates to the technical field of ball guide rail buffers, in particular to a ball guide rail buffer.
  • linear guide generally has two types, one is rolling type, the other is sliding type, rolling linear slide is a kind of rolling guide, it is infinite rolling cycle between the slider and the slide by a steel ball , So that the load platform can easily move linearly with high precision along the slide rail, and its friction coefficient can be reduced to 1/50 of the traditional sliding guide, so that it can easily achieve the positioning accuracy of ⁇ m.
  • the existing ball guide rail When the buffer is in use, the buffering effect is general. When it is subjected to greater pressure, the service life is short, and the drawer can be damaged.
  • the purpose of the present invention is to provide a ball guide buffer to solve the problem that the existing ball guide buffer proposed in the background art has a general buffer effect when in use, and causes a short service life when subjected to greater pressure. At the same time, it can cause the problem of drawer damage.
  • a ball guide rail buffer including a bracket, a hydraulic device is installed on the right side of the front surface of the bracket, and a buffer member is installed on the left side of the front surface of the bracket, so A friction member is installed inside the buffer member, a baffle is fixed at the center of the front surface of the bracket, a support rod is fixed inside the upper and lower sides of the support, and the outer wall of the support rod is sleeved with a spring, A threaded block is installed on the right side of the hydraulic device, and a second sliding groove is opened on the left side of the front surface of the bracket, which can increase the service life of the buffer and can withstand greater pressure.
  • the hydraulic device includes a horizontal tube, a cannula, a first sliding rod, a piston, and a cavity.
  • the left side of the horizontal tube is inserted with a cannula, and the inside of the cannula is slidably connected with a first sliding rod.
  • the right side of the first sliding rod is fixedly connected with a piston, the upper and lower ends of the piston are provided with cavities, the horizontal tube is fixedly connected with the bracket, and the horizontal tube is connected with the threaded block bolt through the horizontal tube.
  • the cooperation of the tube, the cannula, the first sliding rod, the piston and the cavity can perform hydraulic work and can perform buffering work.
  • the buffer member includes a sliding plate, a first sliding groove, a second sliding rod and a strut.
  • the inner center of the sliding plate is provided with a first sliding groove, and the inside of the first sliding groove is slidably connected with a second sliding groove.
  • a sliding rod, a support rod is fixedly connected to the back of the second sliding rod, the support rod is fixedly connected to the first sliding rod, and the sliding plate is slidably connected to the supporting rod through the sliding plate, the first sliding groove, and the second sliding rod Cooperating with the support rod, the spring can be squeezed to increase the cushioning effect.
  • the struts and springs are symmetrically arranged, so that the force on both sides of the sliding plate is even when moving, and it is prevented from jamming when moving.
  • the friction member includes a cross bar, a ball, a sleeve, and a bearing
  • the outer wall of the cross bar is connected with rolling balls
  • the outer wall of the ball is sleeved with a sleeve
  • both left and right sides of the outer wall of the sleeve are
  • the bearing is fixedly connected with the sliding plate, and the effect of increasing friction is achieved through the cooperation of the cross bar, the ball, the sleeve and the bearing, so that the hydraulic device and the buffer member can be protected by reducing the pressure and increasing the service life.
  • the balls are arranged in a plurality of equal distances, so that the contact surface between the balls and the sleeve is more uniform, and the friction is increased.
  • the beneficial effect of the present invention is that the ball guide rail buffer, through the cooperation of the horizontal tube, the intubation tube, the first sliding rod, the piston and the cavity, can achieve hydraulic work and buffer
  • the spring can be squeezed, which can increase the cushioning effect.
  • the cross rod, the ball, the sleeve and the bearing it can achieve With the effect of increasing friction, the hydraulic device and the buffer member can be protected by reducing the pressure, and the service life can be increased.
  • Figure 1 is a schematic diagram of the structure of the utility model
  • Fig. 2 is a schematic diagram of the connecting structure of the cross bar, the ball and the sleeve in Fig. 1;
  • FIG. 3 is a schematic diagram of the connection structure of the horizontal tube, the intubation tube and the first sliding rod in FIG. 1;
  • Fig. 4 is a schematic diagram of the connecting structure of the enlarged position of the sliding plate in Fig. 1.
  • bracket, 2 hydraulic device, 201, horizontal tube, 202, intubation tube, 203, first sliding rod, 204, piston, 205, cavity, 3, buffer member, 301, sliding plate, 302, first A chute, 303, the second slide bar, 304, strut, 4, baffle, 5, friction member, 501, cross bar, 502, ball, 503, sleeve, 504, bearing, 6, the second chute , 7, support rod, 8, spring, 9, threaded block.
  • a ball guide rail buffer including a bracket 1, a hydraulic device 2 is installed on the right side of the front surface of the bracket 1, and a buffer is installed on the left side of the front surface of the bracket 1 Member 3, a friction member 5 is installed inside the buffer member 3, a baffle 4 is fixed at the center of the front surface of the bracket 1, and the baffle 4 can limit the sliding plate 301.
  • the upper and lower sides of the bracket 1 are both fixed inside There is a support rod 7, and the outer wall of the support rod 7 is sleeved with a spring 8.
  • the elastic coefficient of the spring 8 is: 10N/CM-100N/CM
  • a threaded block 9 is installed on the right side of the hydraulic device 2
  • the front surface of the support 1 is on the left side
  • a second chute 6 is provided.
  • the hydraulic device 2 includes a horizontal tube 201, a cannula 202, a first sliding rod 203, a piston 204, and a cavity 205.
  • the left side of the horizontal tube 201 is inserted with a cannula 202, the horizontal tube 201 Hydraulic oil can be placed inside the insert tube 202 can be inserted and removed from the inside of the horizontal tube 201, the insert tube 202 is slidably connected to the first sliding rod 203, the first sliding rod 203 can slide left and right inside the insert tube 202 A piston 204 is fixedly connected to the right side of the first sliding rod 203. The piston 204 can move left and right inside the insertion tube 202. The upper and lower ends of the piston 204 are provided with cavities 205, and hydraulic oil can pass through the inside of the cavity 205. , The horizontal tube 201 is fixedly connected with the bracket 1, the horizontal tube 201 is connected with the threaded block 9 by bolts, and the threaded block 9 can be installed and disassembled from the horizontal tube 201.
  • the buffer member 3 includes a sliding plate 301, a first sliding groove 302, a second sliding rod 303, and a strut 304.
  • the inner center of the sliding plate 301 is provided with a first sliding groove 302, and the inside of the first sliding groove 302 is slidably connected to the second sliding plate.
  • the rod 303, the second sliding rod 303 can slide up and down inside the first sliding groove 302, the back of the second sliding rod 303 is fixedly connected to the support rod 304, the support rod 304 can support the second sliding rod 303, the support rod 304 It is fixedly connected to the first sliding rod 203, and the sliding plate 301 is slidably connected to the supporting rod 7.
  • the sliding plate 301 can slide left and right on the outer wall of the supporting rod 7, and the supporting rod 7 and the spring 8 are both symmetrically arranged.
  • the friction member 5 includes a cross bar 501, a ball 502, a sleeve 503 and a bearing 504.
  • the outer wall of the cross bar 501 is connected with balls 502 in rolling motion.
  • the outer wall of the ball 502 is sleeved with a sleeve 503.
  • the sleeve 503 is connected to the cross bar 501 through the balls 502.
  • the outer wall of the sleeve 503 can move left and right to increase the friction.
  • Both the left and right sides of the outer wall of the sleeve 503 are fixedly connected with bearings 504.
  • the sleeve 503 rotates through the bearings 504.
  • the bearings 504 are fixedly connected to the sliding plate 301.
  • the balls 502 are arranged at equal intervals.
  • the user When the ball rail buffer starts to be used, the user first installs the bracket 1 on the cabinet or other furniture. After the installation is complete, the user installs the slide 301 on the drawer. After the installation is completed, start to use it.
  • the drawer is inserted into the cabinet or other furniture , To drive the sliding plate 301 to slide to the right.
  • the outer wall of the support rod 7 can move to the right.
  • the spring 8 can be squeezed, and the sliding plate 301 moves to the right.
  • the sleeve 503 can drive the sleeve 503 to move to the right, the sleeve 503 moves to the right on the outer wall of the ball 502, and at the same time it rotates through the bearing 504, the sleeve 503 moves to the right of the ball 502 to increase the friction, and the sliding plate 301 moves to the right.
  • the first sliding slot 302 drives the second sliding rod 303 to move to the right.
  • the first sliding rod 203 can be driven to move to the right inside the cannula 202.
  • the sliding rod 203 moves to the right, it can drive the piston 204 to move to the right inside the horizontal tube 201, and can squeeze the hydraulic oil inside the horizontal tube 201.
  • the hydraulic oil When the hydraulic oil is squeezed, it flows to the horizontal tube through the cavity 205.
  • the left side of 201 is used for buffering work.
  • the user removes the threaded block 9 from the right side of the horizontal tube 201. After removal, the hydraulic oil inside the horizontal tube 201 can be replaced.
  • the terms “installation”, “setting”, “connection”, “fixing”, “spinning” and other terms should be understood in a broad sense, unless otherwise clearly specified and limited.
  • it may be a fixed connection. It can also be detachably connected or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication of two components or the interaction of two components Relations, unless otherwise clearly defined, for those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood according to specific circumstances.

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Abstract

一种滚珠导轨缓冲器，包括支架（1），支架（1）的前表面右侧安装有液压装置（2），支架（1）的前表面左侧安装有缓冲构件（3），缓冲构件（3）的内部安装有摩擦构件（5），支架（1）的前表面中心处固接有挡板（4），支架（1）的上下两侧内部均固接有支杆（7），支杆（7）的外壁套接有弹簧（8），液压装置（2）的右侧安装有螺纹块（9）。该滚珠导轨缓冲器，通过横管（201）、插管（202）、第一滑杆（203）、活塞（204）和空腔（205）的配合，可以进行液压和缓冲的工作，通过滑板（301）、第一滑槽（302）、第二滑杆（303）和撑杆（304）的配合，可以对弹簧（8）进行挤压工作，达到了增加缓冲的效果，通过横杆（501）、滚珠（502）、套管（503）和轴承（504）的配合，可以对液压装置（2）和缓冲构件（3）减少压力，达到了增加摩擦力和使用寿命的效果。

Description

一种滚珠导轨缓冲器 技术领域
本实用新型涉及滚珠导轨缓冲器技术领域，具体为一种滚珠导轨缓冲器。
背景技术
直线导轨的一种，直线导轨一般为二种，一种是滚动式，一种是滑动式，滚动直线滑轨是一种滚动导引，它由钢珠在滑块与滑轨之间作无限滚动循环，使得负载平台能沿着滑轨轻易的以高精度作线性运动，其摩擦系数可降至传统滑动导引的1/50，使之能轻易地达到μm级的定位精度，现有的滚珠导轨缓冲器在使用时，缓冲效果一般，在受到较大的压力时，导致使用寿命短，同时可以导致抽屉损坏。
发明内容
本实用新型的目的在于提供一种滚珠导轨缓冲器，以解决上述背景技术中提出的现有的滚珠导轨缓冲器在使用时，缓冲效果一般，在受到较大的压力时，导致使用寿命短，同时可以导致抽屉损坏的问题。
为实现上述目的，本实用新型提供如下技术方案：一种滚珠导轨缓冲器，包括支架，所述支架的前表面右侧安装有液压装置，所述支架的前表面左侧安装有缓冲构件，所述缓冲构件的内部安装有摩擦构件，所述支架的前表面中心处固接有挡板，所述支架的上下两侧内部均固接有支杆，所述支杆的外壁套接有弹簧，所述液压装置的右侧安装有螺纹块，所述支架的前表面左侧开设有第二滑槽，能够增加缓冲器使用寿命，并可承受较大压力。
优选的，所述液压装置包括横管、插管、第一滑杆、活塞和空腔，所述横管的左侧内部插接有插管，所述插管的内部滑动连接有第一滑杆，所述第一滑杆的右侧固接有活塞，所述活塞的上下两端内部开设有空腔，所述横管与支架固定相连，所述横管与螺纹块螺栓相连,通过横管、插管、第一滑杆、活塞和空腔的配合，可以进行液压工作，可以进行缓冲的工作。
优选的，所述缓冲构件包括滑板、第一滑槽、第二滑杆和撑杆，所述滑板的内部中心处开设有第一滑槽，所述第一滑槽的内部滑动连接有第二滑杆，所述第二滑杆的背部固接有撑杆，所述撑杆与第一滑杆固定相连，所述滑板与支杆滑动相连,通过滑板、第一滑槽、第二滑杆和撑杆的配合，使得对弹簧进行挤压工作，增加缓冲效果。
优选的，所述支杆和弹簧均为对称设置，使得滑板移动时两侧受力均匀，防止移动时卡死。
优选的，所述摩擦构件包括横杆、滚珠、套管和轴承，所述横杆的外壁滚动连接有滚珠，所述滚珠的外壁套接有套管，所述套管的外壁左右两侧均固接有轴承，所述轴承与滑板固定相连，通过横杆、滚珠、套管和轴承的配合，达到增加摩擦力的效果，使得对液压装置和缓冲构件减少压力进行保护工作，增加使用寿命。
优选的，所述滚珠为多个等距设置，使得滚珠与套管接触面更加均匀，增大摩擦力。
与现有技术相比，本实用新型的有益效果是：该滚珠导轨缓冲器，通过横管、插管、第一滑杆、活塞和空腔的配合，达到了可以进行液压工作，可以进行缓冲的工作，通过滑板、第一滑槽、第二滑杆和撑杆的配合，达到了可以对弹簧进行挤压工作，可以增加缓冲效果，通过横杆、滚珠、套管和轴承的配合，达到了增加摩擦力的效果，可以对液压装置和缓冲构件减少压力进行保护工作，可以增加使用寿命。
附图说明
图1为本实用新型结构示意图；
图2为图1中横杆、滚珠和套管的连接结构示意图；
图3为图1中横管、插管和第一滑杆的连接结构示意图；
图4为图1中滑板位置放大的连接结构示意图。
图中：1、支架，2、液压装置，201、横管，202、插管，203、第一滑杆，204、活塞，205、空腔，3、缓冲构件，301、滑板，302、第一滑槽，303、第二滑杆，304、撑杆，4、挡板，5、摩擦构件，501、横杆，502、滚珠，503、套管，504、轴承，6、第二滑槽，7、支杆，8、弹簧，9、螺纹块。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
请参阅图1-4，本实用新型提供一种技术方案：一种滚珠导轨缓冲器，包括支架1，支架1的前表面右侧安装有液压装置2，支架1的前表面左侧安装有缓冲构件3，缓冲构件3的内部安装有摩擦构件5，支架1的前表面中心处固接有挡板4，挡板4可以对滑板301进行限位工作，支架1的上下两侧内部均固接有支杆7，支杆7的外壁套接有弹簧8，弹簧8的弹性系数为：10N/CM-100N/CM，液压装置2的右侧安装有螺纹块9，支架1的前表面左侧开设有第二滑槽6，液压装置2包括横管201、插管202、第一滑杆203、活塞204和空腔205，横管201的左侧内部插接有插管202，横管201的内部可以放置有液压油，插管202可以从横管201的内部插入拔出，插管202的内部滑动连接有第一滑杆203，第一滑杆203可以在插管202的内部左右滑动，第一滑杆203的右侧固接有活塞204，活塞204可以在插管202的内部左右移动，活塞204的上下两端内部开设有空腔205，液压油可以穿过空腔205的内部，横管201与支架1固定相连，横管201与螺纹块9螺栓相连，螺纹块9可以从横管201上安装拆卸。
缓冲构件3包括滑板301、第一滑槽302、第二滑杆303和撑杆304，滑 板301的内部中心处开设有第一滑槽302，第一滑槽302的内部滑动连接有第二滑杆303，第二滑杆303可以在第一滑槽302的内部上下滑动，第二滑杆303的背部固接有撑杆304，撑杆304可以对第二滑杆303进行支撑，撑杆304与第一滑杆203固定相连，滑板301与支杆7滑动相连，滑板301可以在支杆7的外壁左右滑动，支杆7和弹簧8均为对称设置。
摩擦构件5包括横杆501、滚珠502、套管503和轴承504，横杆501的外壁滚动连接有滚珠502，滚珠502的外壁套接有套管503，套管503通过滚珠502在横杆501的外壁左右移动可以增加摩擦力，套管503的外壁左右两侧均固接有轴承504，套管503通过轴承504进行转动，轴承504与滑板301固定相连，滚珠502为多个等距设置。
当滚珠导轨缓冲器开始使用时，使用者先将支架1安装到橱柜等家具上，安装完成后使用者将滑板301安装到抽屉上，安装完成后开始使用，当抽屉插入到橱柜等家具中时，带动滑板301向右侧滑动，滑板301向右侧移动时可以在支杆7的外壁向右侧移动，滑板301向右侧移动时可以对弹簧8进行挤压工作，滑板301向右侧移动时可以带动套管503向右侧移动，套管503在滚珠502的外壁向右侧移动，同时通过轴承504进行转动，套管503在滚珠502向右侧移动可以增加摩擦力，滑板301向右侧移动时通过第一滑槽302带动第二滑杆303向右侧移动，第二滑杆303向右侧移动时可以带动第一滑杆203在插管202的内部向右侧移动，第一滑杆203向右侧移动时可以带动活塞204在横管201的内部向右侧移动，可以对横管201内部的液压油进行挤压，液压油受到挤压时通过空腔205流到横管201的左侧，从而进行缓冲工作，当需要对液压油更换时，使用者将螺纹块9从横管201的右侧拆卸，拆卸后可以对横管201内部的液压油进行更换工作。
在本实用新型的描述中，需要理解的是，术语“同轴”、“底部”、“一端”、“顶部”、“中部”、“另一端”、“上”、“一侧”、“顶部”、 “内”、“前部”、“中央”、“两端”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本实用新型的限制。
在本实用新型中，除非另有明确的规定和限定，术语“安装”、“设置”、“连接”、“固定”、“旋接”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。

Claims (6)

  1. 一种滚珠导轨缓冲器，包括支架(1)，其特征在于：所述支架(1)的前表面右侧安装有液压装置(2)，所述支架(1)的前表面左侧安装有缓冲构件(3)，所述缓冲构件(3)的内部安装有摩擦构件(5)，所述支架(1)的前表面中心处固接有挡板(4)，所述支架(1)的上下两侧内部均固接有支杆(7)，所述支杆(7)的外壁套接有弹簧(8)，所述液压装置(2)的右侧安装有螺纹块(9),所述支架(1)的前表面左侧开设有第二滑槽(6)。
  2. 根据权利要求1所述的一种滚珠导轨缓冲器，其特征在于：所述液压装置(2)包括横管(201)、插管(202)、第一滑杆(203)、活塞(204)和空腔(205)，所述横管(201)的左侧内部插接有插管(202)，所述插管(202)的内部滑动连接有第一滑杆(203)，所述第一滑杆(203)的右侧固接有活塞(204)，所述活塞(204)的上下两端内部开设有空腔(205)，所述横管(201)与支架(1)固定相连，所述横管(201)与螺纹块(9)螺栓相连。
  3. 根据权利要求1所述的一种滚珠导轨缓冲器，其特征在于：所述缓冲构件(3)包括滑板(301)、第一滑槽(302)、第二滑杆(303)和撑杆(304)，所述滑板(301)的内部中心处开设有第一滑槽(302)，所述第一滑槽(302)的内部滑动连接有第二滑杆(303)，所述第二滑杆(303)的背部固接有撑杆(304)，所述撑杆(304)与第一滑杆(203)固定相连，所述滑板(301)与支杆(7)滑动相连。
  4. 根据权利要求1所述的一种滚珠导轨缓冲器，其特征在于：所述支杆(7)和弹簧(8)均为对称设置。
  5. 根据权利要求1所述的一种滚珠导轨缓冲器，其特征在于：所述摩擦构件(5)包括横杆(501)、滚珠(502)、套管(503)和轴承(504)，所述横杆(501)的外壁滚动连接有滚珠(502)，所述滚珠(502)的外壁套接有套管(503)，所述套管(503)的外壁左右两侧均固接有轴承(504)，所 述轴承(504)与滑板(301)固定相连。
  6. 根据权利要求5所述的一种滚珠导轨缓冲器，其特征在于：所述滚珠(502)为多个等距设置。
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CN201234750Y (zh) * 2008-07-24 2009-05-13 东莞市石龙万通实业有限公司 三折自锁阻尼式滑轨装置
US20090160299A1 (en) * 2007-12-20 2009-06-25 Ken-Ching Chen Slide assembly having a homing device
CN201365689Y (zh) * 2009-02-26 2009-12-23 杨俊龙 具缓冲效果的抽屉滑轨
CN208935298U (zh) * 2018-08-28 2019-06-04 天津德科汽车部件有限公司 齿条式电动助力转向器用滚珠丝杠副
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CN2865433Y (zh) * 2005-12-29 2007-02-07 振跃精密滑轨股份有限公司 滑轨的关闭缓冲机构
US20090160299A1 (en) * 2007-12-20 2009-06-25 Ken-Ching Chen Slide assembly having a homing device
CN201234750Y (zh) * 2008-07-24 2009-05-13 东莞市石龙万通实业有限公司 三折自锁阻尼式滑轨装置
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