WO2018166485A1 - 用于抽屉式门体的抽拉组件 - Google Patents

用于抽屉式门体的抽拉组件 Download PDF

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Publication number
WO2018166485A1
WO2018166485A1 PCT/CN2018/079072 CN2018079072W WO2018166485A1 WO 2018166485 A1 WO2018166485 A1 WO 2018166485A1 CN 2018079072 W CN2018079072 W CN 2018079072W WO 2018166485 A1 WO2018166485 A1 WO 2018166485A1
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Prior art keywords
bayonet
arm
sheet metal
metal member
link
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Ceased
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PCT/CN2018/079072
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English (en)
French (fr)
Inventor
徐朝阁
刘修东
曾凡君
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Qingdao Haier Co Ltd
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Qingdao Haier Co Ltd
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Publication of WO2018166485A1 publication Critical patent/WO2018166485A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers

Definitions

  • the present invention relates to the field of refrigeration equipment, and in particular to a drawer assembly for a drawer type door.
  • the drawer type door assembly for the refrigerator is more likely to be stuck during the pulling and closing process due to uneven force on the left and right slide rails. It has been disclosed in the industry that a synchronous link is arranged at the rear end of the left and right slide rails to enhance the synchronization of the left and right slide rails, avoiding the occurrence of jamming during the drawing process, and even causing damage to the pull assembly.
  • the object of the present invention is to provide a drawer assembly for a drawer type door body, which can coordinate the improvement of the synchronization performance of the drawer type door body, and is convenient to disassemble itself so as to directly place the article directly behind the drawer type door body. Side shelf.
  • the present invention provides a drawer assembly for a drawer type door body, comprising a first slide rail and a second slide rail extending forward and backward and fixed to the rear side of the door body, respectively fixed on the first slide a first sheet metal member and a second sheet metal member on the rail and the second rail, a metal connecting rod detachably disposed between the first sheet metal member and the second sheet metal member, and a metal connecting rod disposed on the metal connecting rod
  • the first sheet metal member and the second sheet metal member respectively form a first bayonet and a second bayonet for engaging with the metal link, and both ends of the metal link are formed with an annular card slot.
  • the metal connecting rod is probed into the first bayonet and the second bayonet, and is tightly held by the first sheet metal member and the second sheet metal member through the annular card slot, and the locking member is used for the metal connecting rod
  • the limit is locked in the first bayonet and the second bayonet.
  • the first sheet metal member and the second sheet metal member are symmetrically disposed, and the first sheet metal member has a first mounting arm attached to the first rail, and is parallel to the a first fixing arm of the first mounting arm and a first connecting arm connecting the first mounting arm and the first fixing arm; the second sheet metal member has a second mounting arm, a second fixing arm and a second connecting arm.
  • the length of the first fixing arm in the front-rear direction is smaller than the length of the first mounting arm
  • the pulling assembly further includes a fixing bracket for fixing the first mounting arm to the first sliding rail.
  • the distance between the annular card slots respectively formed at the two ends of the metal link is consistent with the distance between the first fixed arm and the second fixed arm, and the annular card slot The width matches the thickness of the first fixed arm and the second fixed arm.
  • the depth of the metal link into the first bayonet or the second bayonet is less than or equal to half the length of the first connecting arm or the second connecting arm, so that the metal connecting rod During the installation or disassembly process, when one end of the first bayonet or the second bayonet is in contact with the first mounting arm or the second mounting arm, the other end thereof is close to the second fixed arm or the first fixed arm, or Just in contact with the second bayonet or the first bayonet.
  • the locking member includes a body portion that is sleeved on the metal link and an extension portion that laterally protrudes from the body portion into the first bayonet or the second bayonet.
  • the extension portion is formed with a resilient arm extending laterally and extending through the first bayonet or the second bayonet, and the end of the resilient arm is formed with a stopper.
  • the elastic arm is formed on a side of the extending portion facing away from the metal link, and the extending portion is recessed to form a receiving groove for receiving the elastic arm.
  • the first bayonet has a first latching region that cooperates with an annular card slot at a corresponding end of the metal link and is U-shaped and a first limit that cooperates with the extension portion a width of the first holding area is smaller than a diameter of the metal connecting rod, and a diameter of the metal connecting rod to open the annular card slot is less than or equal to a width of the first holding area, and the first limiting area is larger than Equal to the cross section of the metal link.
  • the first bayonet further has a first open area located on a side of the first limiting area facing away from the first holding area and cooperating with the stopping part, the first The depth of the open area is less than the protruding height of the stop relative to the extension.
  • the drawer assembly further includes first and second rollers respectively disposed at the rear ends of the first rail and the second rail.
  • the invention has the beneficial effects that: by adopting the drawing assembly of the invention, the synchronous performance of the drawer type door body can be coordinated and improved, and the self-disassembly is convenient for the object to be directly placed on the shelf on the rear side of the drawer type door body.
  • the locking member locks the metal connecting rod in the first bayonet and the second bayonet, the metal link is stably clamped to reduce wear; and the metal connecting rod and the first sheet metal piece are facilitated by the locking member. And the second sheet metal is separated.
  • Figure 1 is a schematic view showing the structure of the drawing assembly of the present invention
  • Figure 2 is a schematic exploded view of the drawing assembly of Figure 1;
  • Figure 3 is a plan view showing the planar structure of the drawing assembly of the present invention.
  • Figure 4 is a partial enlarged view of the area A in Figure 3;
  • Figure 5 is a schematic structural view of a first sheet metal member of the drawing assembly of the present invention.
  • Figure 6 is a schematic view showing the structure of the locking member of the drawing assembly of the present invention.
  • the drawing assembly 100 includes a first sliding rail 11 and a second sliding rail 12 extending forward and backward and fixed to the rear side of the door body, and the first sheet metal member respectively fixed on the first sliding rail 11 and the second sliding rail 12 21 and a second sheet metal member 22, a metal link 30 detachably disposed between the first sheet metal member 21 and the second sheet metal member 22, and a locking member 40 disposed at an end of the metal link 30.
  • the first slide rail 11 and the second slide rail 12 are identical in structure and arranged on the left and right sides, and the first slide rail 11 is formed in the lateral direction toward the second slide rail 12 to be used to carry the drawer.
  • the first support member 110; the second slide rail 12 forms a second support member 120 that extends toward the first support member 110.
  • the first sliding rail 11 and the front end of the second sliding rail 12 respectively form a first fixing plate 111 and a second fixing plate 121 for fixing to the door body.
  • the drawing assembly 100 further includes a first roller 51 and a second roller 52 respectively disposed at the rear ends of the first rail 11 and the second rail 12, and the first sheet metal member 21 and the second sheet
  • the gold pieces 22 are fixed to a plurality of rivets 60 mounted on the first slide rail 11 and the second slide rail 12, respectively.
  • the first sheet metal member 21 and the second sheet metal member 22 respectively form a first bayonet 210 and a second bayonet 220 for engaging with the metal link 30; both ends of the metal link 30 are formed There is a ring card slot 31.
  • the metal link 30 is inserted into the first bayonet 210 and the second bayonet 220, and is tightly held by the first sheet metal member 21 and the second sheet metal member 22 through the annular card slot 31.
  • the member 40 is used for locking the metal link 30 in the first bayonet 210 and the second bayonet 220.
  • the first sheet metal member 21 and the second sheet metal member 22 are symmetrically disposed, and the first sheet metal member 21 has a first mounting arm 211 that is fixedly attached to the first rail 11 and is parallel to the first a first fixing arm 212 of the mounting arm 211 and a first connecting arm 213 connecting the first mounting arm 211 and the first fixing arm 212; correspondingly, the second sheet metal member 22 has a second mounting arm 221 and a second fixing The arm 222 and the second connecting arm 223.
  • the first bayonet 210 and the second bayonet 220 are respectively defined on the first fixed arm 212 and the second fixed arm 222.
  • the first mounting arm 211 and the first sliding rail 11, the second mounting arm 221 and the second sliding rail are respectively fixed by riveting by the rivet 60.
  • the length of the first fixing arm 212 in the front-rear direction is smaller than the length of the first mounting arm 211; the length of the first fixing arm 212 in the front-rear direction is smaller than the length of the first mounting arm 211 And causing the riveting position to deviate from the first fixed arm 212 and the second fixed arm 222.
  • the distance between the annular card slots 31 formed at the two ends of the metal link 30 is consistent with the distance between the first fixing arm 212 and the second fixing arm 222, and the width of the annular card slot 31 is The thicknesses of the first fixed arm 212 and the second fixed arm 222 are matched. Therefore, when the ring 31 is locked with the first fixed arm 212 and the second fixed arm 222, the first slide rail 11 and the second slide rail 12 can achieve stable synchronous coordination performance.
  • one end of the metal link 30 is first inserted into the first bayonet 210 or the second bayonet 220, and the other end of the metal link 30 is inserted into the second bayonet 220 or the first bayonet 210.
  • the depth of the metal link 30 protruding into the first bayonet 210 or the second bayonet 220 is less than or equal to half of the length of the first connecting arm 213 or the second connecting arm 223, so that the metal link 30 is installed.
  • the locking member 40 includes a main body portion 41 that is sleeved on the metal link 30 and an extending portion 42 that laterally protrudes from the main body portion 41 into the first bayonet 210 or the second bayonet 220.
  • the extending portion 42 is formed with a resilient arm 421 extending laterally and extending through the first bayonet 210 or the second bayonet 220.
  • the end of the resilient arm 421 is formed with a stopping portion 422.
  • the elastic arm 421 is formed on a side of the extending portion 42 facing away from the metal link 30, and the extending portion 42 is recessed to form a receiving groove 423 for receiving the elastic arm 421.
  • the first bayonet 210 has a first latching area 2101 that cooperates with the annular slot 31 of the corresponding end of the metal link 30 and is U-shaped, and a first limiting area that cooperates with the extending portion 42. 2102.
  • the width of the first holding area 2101 is smaller than the diameter of the body of the metal link 30, and the diameter of the metal link 30 at the annular card slot 31 is less than or equal to the width of the first holding area 2101.
  • the diameter of the metal link 30 is set to 7 mm
  • the depth of the annular card slot 31 is set to 1 mm
  • the width of the first holding portion 2101 is defined to be 5-7 mm.
  • the first limiting area 2102 is greater than or equal to the cross-sectional dimension of the metal link 30 and matches the vertical section of the extending portion 42 so that the metal link 30 can extend from the first limiting area 2102.
  • the first bayonet 210 is inserted into the first sheet metal member 21 to be fixed, and the extension portion 42 is capable of pressing and restraining the metal link 30 in the first card holding portion 2101 to prevent loosening.
  • the first bayonet 210 further has a first open area 2103 located at a side of the first limiting area 2102 facing away from the first holding area 2101 and cooperating with the stopping portion 422, the first opening area
  • the depth of 2103 is smaller than the protrusion height of the stop portion 422 relative to the extension portion 42 such that the stopper portion 42 and the first fixing arm 212 can be abutted and fixed to each other.
  • the second bayonet 220 has the same structure as the first bayonet 210.
  • the detachable metal connecting rod 30 of the present invention can coordinate and improve the synchronization performance of the drawer type door when pulling, and is convenient to disassemble itself to facilitate placing the article directly on the drawer door.
  • the locking member 40 can lock the metal link 30 in the first bayonet 210 and the second bayonet 220, and the metal link 30 is stably locked to reduce wear; and the metal link 30 and the A sheet metal piece 21 and a second sheet metal piece 22 are separated from each other, which is convenient and practical.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Drawers Of Furniture (AREA)

Abstract

一种用于抽屉式门体的抽拉组件(100)，包括第一滑轨(11)与第二滑轨(12)、分别固定在第一滑轨(11)及第二滑轨(12)上的第一钣金件(21)与第二钣金件(22)、可拆卸设置于第一钣金件(21)与第二钣金件(22)之间的金属连杆(30)、以及设置于金属连杆(30)末端的锁紧件(40)。抽拉组件(100)能够改善抽屉式门体同步性能，减少磨损，且便于物品储放。

Description

用于抽屉式门体的抽拉组件
本申请要求了申请日为2017年3月16日，申请号为201710158946.4，发明名称为“用于抽屉式门体的抽拉组件”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
本发明涉及制冷设备技术领域，尤其涉及一种用于抽屉式门体的抽拉组件。
背景技术
目前市场对冰箱的储藏容积要求越来越大，也使得冰箱的外形体积明显增大。此种情况下，用于冰箱的抽屉式的门体组件在抽拉开闭过程中，由于左右滑轨受力不均，更容易出现卡顿。业内已公开有在左右滑轨后端设置同步连杆以加强左右滑轨抽拉同步性，避免抽拉过程中出现卡顿，甚而造成抽拉组件的损坏。
但现有同步连杆多与左右滑轨组装呈一体，而某些冰箱产品则会在抽屉式门体后侧放置一层搁板，以便于将抽屉拿出时能够直接将待储藏的物品直接放置在搁板上，增大冰箱容积使用率。此时固定于左右滑轨上的同步连杆就会影响物品的存放，严重地会在门体抽拉时碰撞搁板上的物品。中国专利CN 102155839 A公开一种抽拉组件及冰箱，具体公开一种可拆卸安装于左右滑轨上的连杆，但其并未揭示连杆与滑轨的装配结构。并且，由于抽屉式门体抽拉过程中连杆承受的应力及摩擦均较严重，传统的卡接方式使得连杆易磨损，影响其工作稳定性及滑轨的同步性能。
鉴于此，有必要提供一种新的用于抽屉式门体的抽拉组件。
发明内容
本发明的目的在于提供一种用于抽屉式门体的抽拉组件，既能协调改善抽屉式门体抽拉时的同步性能，又方便自行拆卸以便于将物品直接放置在抽屉式门体后侧的搁板上。
为实现上述发明目的，本发明提供了一种用于抽屉式门体的抽拉组件，包括前后延伸并固定于门体后侧的第一滑轨与第二滑轨、分别固定在第一滑轨及第二滑轨上的第一钣金件与第二钣金件、可拆卸设置于第一钣金件与第二钣金件之间的金属连杆、以及设置于所述金属连杆末端的锁紧件。所述第一钣金件与第二钣金件分别形成有用以与金属连杆卡接的第一卡口与第二卡口，所述金属连杆的两端均形成有环形卡槽，所述金属连杆探伸入第一卡口与第二卡口，并通过环形卡槽与第一钣金件与第二钣金件相互紧密扣持，所述锁紧件用以将金属连杆限位锁定于第一卡口与第二卡口内。
作为本发明的进一步改进，所述第一钣金件与第二钣金件相互对称设置，所述第一钣金件具有贴合固定于第一滑轨的第一安装臂、平行于所述第一安装臂的第一固定臂及连接第一安装臂与第一固定臂的第一连接臂；所述第二钣金件具有第二安装臂、第二固定臂及第二连接臂。
作为本发明的进一步改进，所述第一固定臂沿前后方向的长度小于所述第一安装臂的长 度，所述抽拉组件还包括用以将第一安装臂固定在第一滑轨上的若干铆钉。
作为本发明的进一步改进，所述金属连杆两端分别形成的环形卡槽之间的距离与所述第一固定臂与第二固定臂之间的距离相一致，并且所述环形卡槽的宽度与所述第一固定臂及第二固定臂的厚度相匹配。
作为本发明的进一步改进，所述金属连杆探伸入第一卡口或第二卡口的深度小于等于所述第一连接臂或第二连接臂的长度的一半，使得所述金属连杆安装或拆卸过程中，其一端探伸入第一卡口或第二卡口至与第一安装臂或第二安装臂抵接时，其另一端接近第二固定臂或第一固定臂，或恰与第二卡口或第一卡口相接触。
作为本发明的进一步改进，所述锁紧件包括套设于所述金属连杆的主体部及自所述主体部横向探伸进入所述第一卡口或第二卡口的延伸部，所述延伸部形成有横向延伸并贯穿第一卡口或第二卡口的弹性臂，所述弹性臂的末端形成有止挡部。
作为本发明的进一步改进，所述弹性臂形成于所述延伸部背离所述金属连杆的一侧，且所述延伸部凹陷形成有用以收容所述弹性臂的收容槽。
作为本发明的进一步改进，所述第一卡口具有与所述金属连杆相应一端的环形卡槽相配合且呈U型的第一卡持区及与所述延伸部相配合的第一限位区，所述第一卡持区的宽度小于金属连杆的直径，并且所述金属连杆开设环形卡槽处的直径小于等于第一卡持区的宽度，所述第一限位区大于等于所述金属连杆的截面。
作为本发明的进一步改进，所述第一卡口还具有位于所述第一限位区背离第一卡持区一侧且与所述止挡部相配合的第一开口区，所述第一开口区的深度小于所述止挡部相对于延伸部的突伸高度。
作为本发明的进一步改进，所述抽拉组件还包括分别设置于所述第一滑轨与第二滑轨后端的第一滚轮与第二滚轮。
本发明的有益效果是：采用本发明抽拉组件，既能协调改善抽屉式门体抽拉时的同步性能，又方便自行拆卸以便于将物品直接放置在抽屉式门体后侧的搁板上；所述锁紧件将金属连杆限位锁定在第一卡口与第二卡口内，金属连杆卡持稳定，减少磨损；还便于通过锁紧件使得金属连杆与第一钣金件及第二钣金件相脱离。
附图说明
图1是本发明抽拉组件的结构示意图；
图2是图1中抽拉组件的分解结构示意图；
图3是本发明抽拉组件的平面结构示意图；
图4是图3中A区域的局部放大示意图；
图5是本发明抽拉组件的第一钣金件的结构示意图；
图6是本发明抽拉组件的锁紧件的结构示意图。
具体实施方式
以下将结合附图所示的实施方式对本发明进行详细描述。但该实施方式并不限制本发明，本领域的普通技术人员根据该实施方式所做出的结构、方法、或功能上的变换均包含在本发明的保护范围内。
请参阅图1为本发明用于抽屉式门体的抽拉组件100的结构示意图。所述抽拉组件100包括前后延伸并固定于门体后侧的第一滑轨11与第二滑轨12、分别固定在第一滑轨11及第二滑轨12上的第一钣金件21与第二钣金件22、可拆卸设置于第一钣金件21与第二钣金件22之间的金属连杆30、以及设置于所述金属连杆30末端的锁紧件40。
结合图2至图6所示，所述第一滑轨11与第二滑轨12结构一致且左右堆成设置，所述第一滑轨11沿横向朝第二滑轨12形成有用以承载抽屉的第一支撑件110；所述第二滑轨12形成与所述第一支撑件110相向延伸的第二支撑件120。所述第一滑轨11与第二滑轨12的前端还分别形成有用以与门体相互固定的第一固定板111与第二固定板121。
所述抽拉组件100还包括分别设置于所述第一滑轨11与第二滑轨12后端的第一滚轮51与第二滚轮52、以及将所述第一钣金件21与第二钣金件22分别固定安装在所述第一滑轨11与第二滑轨12上的若干铆钉60。
所述第一钣金件21与第二钣金件22分别形成有用以与金属连杆30卡接的第一卡口210与第二卡口220；所述金属连杆30的两端均形成有环形卡槽31。所述金属连杆30探伸入第一卡口210与第二卡口220，并通过环形卡槽31与第一钣金件21与第二钣金件22相互紧密扣持，所述锁紧件40用以将金属连杆30限位锁定于第一卡口210与第二卡口220内。
所述第一钣金件21与第二钣金件22相互对称设置，所述第一钣金件21具有贴合固定于第一滑轨11的第一安装臂211、平行于所述第一安装臂211的第一固定臂212及连接第一安装臂211与第一固定臂212的第一连接臂213；相应地，所述第二钣金件22具有第二安装臂221、第二固定臂222及第二连接臂223。所述第一卡口210与第二卡口220分别开设于第一固定臂212及第二固定臂222上。
其中，所述第一安装臂211与第一滑轨11、第二安装臂221与第二滑轨间分别藉由所述铆钉60配合铆接固定。为便于铆接加工，所述第一固定臂212沿前后方向的长度小于所述第一安装臂211的长度；所述第一固定臂212沿前后方向的长度小于所述第一安装臂211的长度，并使得铆接位置偏离所述第一固定臂212及第二固定臂222。
所述金属连杆30两端分别形成的环形卡槽31之间的距离与所述第一固定臂212与第二固定臂222之间的距离相一致，并且所述环形卡槽31的宽度与所述第一固定臂212及第二 固定臂222的厚度相匹配。由此，当环形31与所述第一固定臂212及第二固定臂222卡定时，所述第一滑轨11与第二滑轨12能够实现稳定的同步协调性能。
所述金属连杆30装配进程中，首先需将其中一端伸入第一卡口210或第二卡口220，在反向推送将其另一端插入第二卡口220或第一卡口210。所述金属连杆30探伸入第一卡口210或第二卡口220的深度小于等于所述第一连接臂213或第二连接臂223的长度的一半，使得所述金属连杆30安装或拆卸过程中，其一端探伸入第一卡口210或第二卡口220至与第一安装臂211或第二安装臂221抵接时，其另一端接近第二固定臂222或第一固定臂212，或恰与第二卡口220或第一卡口210相接触。
所述锁紧件40包括套设于所述金属连杆30的主体部41及自所述主体部41横向探伸进入所述第一卡口210或第二卡口220的延伸部42。所述延伸部42形成有横向延伸并贯穿第一卡口210或第二卡口220的弹性臂421，所述弹性臂421的末端形成有止挡部422。具体地，所述弹性臂421形成于所述延伸部42背离所述金属连杆30的一侧，且所述延伸部42凹陷形成有用以收容所述弹性臂421的收容槽423。
所述第一卡口210具有与所述金属连杆30相应一端的环形卡槽31相配合且呈U型的第一卡持区2101及与所述延伸部42相配合的第一限位区2102。所述第一卡持区2101的宽度小于金属连杆30本体的直径，并且所述金属连杆30开设所述环形卡槽31处的直径小于等于第一卡持区2101的宽度。在本实施例中，所述金属连杆30的直径设置为7mm，所述环形卡槽31的深度设置为1mm，继而所述第一卡持区2101的宽度界于5-7mm。所述第一限位区2102大于等于金属连杆30的截面尺寸且与所述延伸部42沿前后竖直的截面相匹配，以使得所述金属连杆30能够自第一限位区2102伸入第一卡口210至与第一钣金件21相固定，并使得所述延伸部42能够将金属连杆30挤压限定在第一卡持区2101内，防止松脱。
所述第一卡口210还具有位于所述第一限位区2102背离第一卡持区2101一侧且与所述止挡部422相配合的第一开口区2103，所述第一开口区2103的深度小于所述止挡部422相对于延伸部42的突伸高度，以使得止挡部42与第一固定臂212能够相互抵持固定。当然，所述第二卡口220与第一卡口210的结构一致。
综上所述，采用本发明抽拉组件100通过可拆卸的金属连杆30，既能协调改善抽屉式门体抽拉时的同步性能，又方便自行拆卸以便于将物品直接放置在抽屉式门体后侧的搁板上。其中，所述锁紧件40能够将金属连杆30限位锁定在第一卡口210与第二卡口220内，金属连杆30卡持稳定，减少磨损；还便于金属连杆30与第一钣金件21及第二钣金件22相脱离，方便实用。
应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施方式中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明，它们并非用以限制本发明的保护范围，凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种用于抽屉式门体的抽拉组件，包括前后延伸并固定于门体后侧的第一滑轨与第二滑轨，其特征在于：所述抽拉组件还包括分别固定在第一滑轨及第二滑轨上的第一钣金件与第二钣金件、可拆卸设置于第一钣金件与第二钣金件之间的金属连杆、以及设置于所述金属连杆末端的锁紧件；所述第一钣金件与第二钣金件分别形成有用以与金属连杆卡接的第一卡口与第二卡口，所述金属连杆的两端均形成有环形卡槽，所述金属连杆探伸入第一卡口与第二卡口，并通过环形卡槽与第一钣金件与第二钣金件相互紧密扣持，所述锁紧件用以将金属连杆限位锁定于第一卡口与第二卡口内。
  2. 根据权利要求1所述的抽拉组件，其特征在于：所述第一钣金件与第二钣金件相互对称设置，所述第一钣金件具有贴合固定于第一滑轨的第一安装臂、平行于所述第一安装臂的第一固定臂及连接第一安装臂与第一固定臂的第一连接臂；所述第二钣金件具有第二安装臂、第二固定臂及第二连接臂。
  3. 根据权利要求2所述的抽拉组件，其特征在于：所述第一固定臂沿前后方向的长度小于所述第一安装臂的长度，所述抽拉组件还包括用以将第一安装臂固定在第一滑轨上的若干铆钉。
  4. 根据权利要求2所述的抽拉组件，其特征在于：所述金属连杆两端分别形成的环形卡槽之间的距离与所述第一固定臂与第二固定臂之间的距离相一致，并且所述环形卡槽的宽度与所述第一固定臂及第二固定臂的厚度相匹配。
  5. 根据权利要求2所述的抽拉组件，其特征在于：所述金属连杆探伸入第一卡口或第二卡口的深度小于等于所述第一连接臂或第二连接臂的长度的一半，使得所述金属连杆安装或拆卸过程中，其一端探伸入第一卡口或第二卡口至与第一安装臂或第二安装臂抵接时，其另一端接近第二固定臂或第一固定臂，或恰与第二卡口或第一卡口相接触。
  6. 根据权利要求1所述的抽拉组件，其特征在于：所述锁紧件包括套设于所述金属连杆的主体部及自所述主体部横向探伸进入所述第一卡口或第二卡口的延伸部，所述延伸部形成有横向延伸并贯穿第一卡口或第二卡口的弹性臂，所述弹性臂的末端形成有止挡部。
  7. 根据权利要求6所述的抽拉组件，其特征在于：所述弹性臂形成于所述延伸部背离所述金属连杆的一侧，且所述延伸部凹陷形成有用以收容所述弹性臂的收容槽。
  8. 根据权利要求7所述的抽拉组件，其特征在于：所述第一卡口具有与所述金属连杆相应一端的环形卡槽相配合且呈U型的第一卡持区及与所述延伸部相配合的第一限位区， 所述第一卡持区的宽度小于金属连杆的直径，并且所述金属连杆开设环形卡槽处的直径小于等于第一卡持区的宽度，所述第一限位区大于等于所述金属连杆的截面。
  9. 根据权利要求8所述的抽拉组件，其特征在于：所述第一卡口还具有位于所述第一限位区背离第一卡持区一侧且与所述止挡部相配合的第一开口区，所述第一开口区的深度小于所述止挡部相对于延伸部的突伸高度。
  10. 根据权利要求1所述的抽拉组件，其特征在于：所述抽拉组件还包括分别设置于所述第一滑轨与第二滑轨后端的第一滚轮与第二滚轮。
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