WO2012089015A1 - 一种旋转式家具连接件 - Google Patents

一种旋转式家具连接件 Download PDF

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Publication number
WO2012089015A1
WO2012089015A1 PCT/CN2011/083920 CN2011083920W WO2012089015A1 WO 2012089015 A1 WO2012089015 A1 WO 2012089015A1 CN 2011083920 W CN2011083920 W CN 2011083920W WO 2012089015 A1 WO2012089015 A1 WO 2012089015A1
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WO
WIPO (PCT)
Prior art keywords
base
connecting portion
male buckle
male
buckle
Prior art date
Application number
PCT/CN2011/083920
Other languages
English (en)
French (fr)
Inventor
刘敏生
刘育齐
Original Assignee
曹蕾
刘婕
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Filing date
Publication date
Application filed by 曹蕾, 刘婕 filed Critical 曹蕾
Publication of WO2012089015A1 publication Critical patent/WO2012089015A1/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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like

Definitions

  • the detachable furniture on the market usually uses the cooperation of the screw and the screw seat or the cooperation of the screw and the loose leaf to connect the various parts of the furniture.
  • the disadvantages are: the need to punch at the connection position of the furniture, long-term use The screw connection port will become larger, the stability will be worse, the connection portion is stable, and the furniture is easily damaged; the connection gap between the components is large, which affects the appearance of the furniture, whether it is disassembly or installation, the process is cumbersome and requires tools.
  • the present invention provides a rotary furniture connecting member, which has a simple structure and is convenient to use, and can realize seamless connection between the plates without using tools, and is convenient for installation and disassembly.
  • the connecting portion is received in the guiding hole.
  • the receiving groove extends through a bottom end surface of the base, and the base further has a bottom cover that seals the receiving groove.
  • the base is cylindrical, the planar side is an upper end surface of the cylinder, and the receiving groove extends through a lower side of the cylinder.
  • the base is in the shape of a truncated cone, and one side of the circular table is planar.
  • the male buckle has a rotary handle.
  • the side of the base is provided with inverted teeth.
  • a receiving groove communicating with the guiding hole is defined in the seat;
  • the base of the female snap is mounted on the female snap mounting groove;
  • the male snap has a connecting portion and a chuck and a male buckle respectively located at two ends of the connecting portion a sheet; a diameter of the connecting portion along a radial direction thereof is smaller than a width of the chuck at a widest point in the direction;
  • the distance between the left and right side walls of the guiding hole is slightly larger than the longitudinal diameter of the connecting portion, and is smaller than the width of the widest portion of the chuck, so that the chuck is rotated 90 degrees after passing through the guiding hole.
  • the chuck of the male buckle passes through the mounting hole of the male button panel and the guiding hole to enter the accommodating groove, and the connecting portion partially enters
  • the mounting hole partially enters the guiding hole, and the male buckle piece is sized larger than the mounting hole so as not to enter the mounting hole, and is left on the side of the male button panel, thereby
  • the male buckle panel and the female buckle panel are fixedly connected.
  • the rotary button furniture connecting piece of the invention has the advantages of simple structure, convenient use and no need for tools It realizes seamless connection between plates, which is convenient for installation and disassembly, and is suitable for popularization and application.
  • FIG. 1 is a schematic structural view of a first embodiment of a rotary buckle type furniture connecting member according to the present invention
  • FIG. 3 is another schematic structural view of the first embodiment of the rotary buckle type furniture connecting member according to the present invention
  • FIG. 4 is a schematic exploded view of the first embodiment of the rotary buckle type furniture connecting member according to the present invention
  • a schematic structural view of a second embodiment of the rotary button furniture connector of the present invention
  • Figure 6 is a cross-sectional view of Figure 5B-B;
  • Figure 7 is a schematic exploded view of a second embodiment of the rotary buckle type furniture connecting member according to the present invention
  • Figure 8 is a schematic structural view of a third embodiment of the rotary button furniture connecting member according to the present invention. A rotating handle is added to the male buckle pad;
  • Figure 9 is a cross-sectional view of the surface of Figure 8C-C;
  • Figure 12 is a schematic exploded view of Figure 11;
  • Figure 13 is a schematic view showing the exploded structure of the faceplate composition of the present invention, represented by the rotary button furniture connector shown in the second embodiment;
  • Fig. 14 is a view showing the state of use of the combination panel shown in Fig. 13. detailed description
  • a rotary button furniture connector includes a mating female snap 100 and a male snap 200.
  • the base button 100 has a base 110, the base 110 has a truncated cone shape, and a side surface is a flat surface 111.
  • a guide hole 112 is defined in the side surface 111, and the base is opened and guided.
  • the receiving groove 113 is connected to the hole 112.
  • the receiving groove 113 penetrates the bottom end surface of the truncated cone base.
  • the base 110 also has a bottom cover that seals the receiving groove (not shown).
  • the male buckle 200 has a connecting portion 210 and a chuck 220 and a male buckle tab 230 respectively located at two ends of the connecting portion.
  • the diameter of the connecting portion along the radial direction of the 210 is smaller than the width of the chuck 220 at the widest point in the direction.
  • the chuck 220 is cylindrical in shape. The chuck 220 cooperates with the receiving groove 113.
  • the side of the base is provided with inverted teeth 116.
  • the female snap base 100 mounts a mounting groove on the furniture panel.
  • the chuck 220 of the male snap 200 enters the receiving slot through the mounting aperture 112 of the male button panel, and then rotates 90 degrees.
  • the connecting portion 210 is partially accommodated in the guiding.
  • the hole 112 has another portion of the mounting hole received in the male button panel.
  • the male buckle piece 230 should be sized to be larger than the mounting hole so as not to enter the mounting hole and remain on one side of the male buckle panel. In order to achieve a fixed connection between the female snap 100 and the male snap 200, it is necessary that the chuck 220 is blocked by the flat side 111 and cannot be detached from the receiving groove 113.
  • the distance between the left and right side walls of the guiding hole 112 is set to be slightly larger than the meridional diameter of the connecting portion 210, and smaller than the width of the widest portion of the chuck 220, such that when the chuck 220 is After the guiding hole 112 enters the accommodating groove, it is rotated by 90 degrees. At this time, the chuck 220 cannot move horizontally and is separated from the guiding hole 112.
  • the opening of the guiding hole 112 on the planar side surface 111 is expanded to a periphery into a groove 115.
  • the male buckle pad 230 and the connecting portion 210 are disposed between the connecting portion 210.
  • the buckle base 240 has a diameter in the radial direction of the connecting portion 230 that is smaller than a diameter of the male buckle base 240 in the direction, and the groove 115 matches the front end of the male buckle base 240.
  • the female snap base 100 mounts a mounting slot on the furniture panel.
  • the chuck 220 of the male snap 200 is rotated 90 degrees after entering the receiving slot through the mounting aperture 112 of the male button panel.
  • the connecting portion 210 is received in the guiding hole 112.
  • the male buckle base 240 is partially received and closely fitted with the recess 115.
  • the rest of the male snap base 240 is received in the mounting hole of the male buckle panel.
  • the male snap 200 is prevented from being displaced up and down, thereby achieving a fixed connection between the furniture panels.
  • the pedestal 110 may also be disposed in a cylindrical shape, and the guiding hole 112 .
  • the groove 115 is defined in the upper end surface of the cylinder, and the opening of the guiding hole 112 on the upper end surface of the cylinder is expanded toward the periphery into a groove 115, and the receiving groove 113 is opened in the cylinder and
  • the base 110 further has a bottom cover 114 that seals the receiving groove 113 through the bottom end surface of the cylindrical base.
  • the chuck 210 is a trapezoidal shape perpendicular to the connecting portion 210. It should be understood that the shape of the chuck 210 is not limited to the shape shown in FIGS. 5 and 10.
  • the shape of the chuck 210 only needs to satisfy the width at the widest point in the radial direction of the connecting portion 210 that is larger than the diameter of the connecting portion along the warp direction thereof.
  • one side of the male buckle pad 230 further has a rotary handle 260, and the rotary handle 260 can be fixed to the male buckle pad 230, and can also be used.
  • the side of the male buckle pad 230 is provided with a mounting hole 231, and the rotating LYBUCKER 260 is provided with the mounting.
  • the locking hole 231 of the hole 231 is engaged with the mounting hole 231 by the locking point 261, so that the rotation of the rotating handle 260 can drive the male buckle piece 230 to rotate, when the male buckle 200 rotates to a predetermined position. In the position, the rotating handle 260 can be easily detached from the male buckle.
  • a composite panel includes a female button panel 300 and a female button mounting groove 301 disposed on a side of the female button panel, a male button panel 400 and a connecting hole 401 extending through the male button panel.
  • the female buckle panel 300 and the male buckle panel 400 are fixedly connected by a rotary furniture connector, and the rotary furniture connector includes a mating female buckle 100 and a male buckle 200.
  • the female button 100 has a base 110, one side of which is a planar side surface 111.
  • the plane side surface 111 defines a guiding hole 112.
  • the base 110 defines a receiving groove 113 communicating with the guiding hole 112.
  • the base no of the female snap is attached to the female snap mounting groove 301.
  • the male buckle 200 has a connecting portion 210 and a chuck 220 and a male buckle piece 230 respectively located at two ends of the connecting portion 210; the diameter of the connecting portion 210 in the radial direction thereof is smaller than the widest position of the chuck 220 in the direction The width.
  • the distance between the left and right side walls of the guiding hole 112 is slightly larger than the longitudinal diameter of the connecting portion 210, and is smaller than the width of the widest portion of the chuck 220, so that the chuck 220 passes through the guiding hole 112. Back spin It is rotated by 90 degrees and cannot be detached from the accommodating groove 113 by the blocking of the flat side surface 111.
  • the chuck 220 of the male snap 200 passes through the connecting hole 401 of the male button panel 400 and the guiding hole 112 into the receiving groove 113, and the connecting portion partially enters the connecting hole 210, and partially enters the guiding hole.
  • the male buckle pad 230 is sized larger than the connecting hole 401, so as not to enter the connecting hole 401, and is left on the side of the male button panel, thereby the male button panel 400 and the The mother button panel 300 is fixedly connected.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Description

一种旋转式家具连接件 技术领域
本发明涉及家具连接件领域， 尤其涉及一种旋转式家具连接件。 背景技术
传统的家具的各部分之间通常是采用固定连接的方式进行连接， 这不仅容 易造成家具在搬运和运输过程中的损坏， 同时由于其所占体积较大， 也会增加 运输成本。 为了解决这一问题， 现在 4艮多家具大都为可拆卸式， 这使得家具在 未使用或运输时可以将各部分拆开来进行包装和运输， 这不仅减少了家具所占 用的空间、 大大减少了运输成本， 也有效避免了家具在运输过程中因为碰撞所 造成的损坏。
目前， 市场上的可拆卸家具通常釆用螺钉和螺钉座的配合或者螺釘与活页 的配合方式进行家具各部分的连接， 其不足之处在于： 需要在家具的连接位置 进行打孔， 长时间使用使螺钉连接口会变大， 稳定性变差， 连接部稳固， 容易 造成家具损坏； 部件之间的连接间隙大， 影响家具美观， 不论是拆卸还是安装， 过程繁瑣且需要借助工具才能实现。 发明内容
为了解决上述问题， 本发明的提供了一种旋转式家具连接件， 其结构简单， 使用方便， 无需借助工具即可实现板材之间的无缝隙连接， 安装和拆卸方便。
本发明是通过如下技术方案实现的： 一种旋转式家具连接件， 包括相互配合 的母扣和公扣， 所述母扣具有一个侧面为平面的基座， 该平面侧面上开设有引 导孔， 基座内部开设有与所述引导孔连通的容纳槽； 所述公扣具有连接部和分 别位于连接部两端的卡头和公扣拨片， 所述连接部沿其径向的直径小于所述卡 头在该方向最宽处的宽度； 且所述引导孔左右侧壁之间的距离略大于所述连接 部的经向直径， 而小于所述卡头最宽处的宽度， 从而使该卡头穿过所述引导孔 进入所述容纳槽后旋转 90度，经所述平面侧面的阻挡而不能从所述容纳槽脱落。 所述引导孔在所述平面侧面上的开口向周边扩张成一个凹槽，所述公扣拨片 和所述连接部之间设有公扣底座， 所述连接部沿其径向的直径小于所述公扣底 座在该方向上的直径， 所述凹槽与所述公扣底座的前端相匹配。
所述连接部容置于所述引导孔。
所述容纳槽贯穿所述基座的底端面， 所述基座还具有一个底盖， 密封所述容 纳槽。
所述基座为圓柱形， 所述平面侧面为所述圆柱的上端面， 所述容纳槽贯穿所 述圓柱体的下侧面。
所述基座为圓台形， 所述圓台的一侧面为平面的。
所述公扣拨片具有旋转把手。
所述基座的侧面设置有倒齿。
一种组合面板， 包括母扣面板和设置于母扣面板侧面的母扣安装槽， 公扣 面板及穿设于所述公扣面板的安装孔， 所述母扣面板和所述公扣面板藉由旋转 式家具连接件固定连接， 所述旋转式家具连接件， 包括相互配合的母扣和公扣； 所述母扣具有一个侧面为平面的基座， 该平面侧面上开设有引导孔，基座内 部开设有与所述引导孔连通的容纳槽； 所述母扣的基座安装于所述母扣安装槽； 所述公扣具有连接部和分别位于连接部两端的卡头和公扣拨片；所述连接部 沿其径向的直径小于所述卡头在该方向最宽处的宽度；
所述引导孔左右侧壁之间的距离略大于所述连接部的经向直径，而小于所述 卡头最宽处的宽度， 从而使该卡头穿过所述引导孔后旋转 90度， 经所述平面侧 面的阻挡而不能从所述容纳槽脱落； 所述公扣的卡头穿过所述公扣面板的安装 孔和所述引导孔进入所述容纳槽， 所述连接部部分进入所述安装孔， 部分进入 所述引导孔， 所述公扣拨片的大小设置为大于所述安装孔， 从而不能进入所述 安装孔， 而留置于所述公扣面板一侧， 从而将所述公扣面板和所述母扣面板固 定连接。
本发明所述旋转扣式家具连接件， 结构简单， 使用方便， 无需借助工具即可 实现板材之间的无缝隙连接， 安装和拆卸方便， 适于推广应用。 附图说明
图 1、 为本发明所述旋转扣式家具连接件第一实施例的结构示意图；
图 2、 为图 1A-A面的剖视图；
图 3、 为本发明所述旋转扣式家具连接件第一实施例的另一结构示意图； 图 4、 为本发明所述旋转扣式家具连接件第一实施例的分解结构示意图； 图 5、 为本发明所述旋转扣式家具连接件第二实施例的结构示意图；
图 6、 为图 5B-B面的剖视图；
图 7、 为本发明所述旋转扣式家具连接件第二实施例的分解结构示意图； 图 8、 为本发明所述旋转扣式家具连接件第三实施例的结构示意图； 该图中， 所 述公扣拨片增设了旋转把手；
图 9、 为图 8C-C面的剖视图；
图 10、 为本发明所述旋转扣式家具连接件第三实施例的分解结构示意图； 图 11、 展示了为公扣的拨片上还设有一个旋转把手的结构示意图；
图 12、 为图 11的分解结构示意图；
图 13、 以第二实施例所示的旋转扣式家具连接件为代表， 展示了本发明所述面 板组合物的分解结构示意图；
图 14、 展示了图 13所示组合面板的使用状态图。 具体实施方式
参照图 1和图 2、 参照图 3和图 4。 一种旋转扣式家具连接件， 包括相互配 合的母扣 100和公扣 200。所述母扣 100具有基座 110, 所述基座 110为圓台形， 圓台形的为一侧面为平面 111 , 在该侧面平面 111上开设有引导孔 112， 基座内 部开设有与所述引导孔 112连通的容纳槽 113。 所述容纳槽 113贯穿圓台形基座 的底端面。 所述基座 110还具有一个底盖， 密封所述容纳槽 （未显示）。 所述 公扣 200具有连接部 210和分别位于连接部两端的卡头 220和公扣拨片 230。所 述连接部沿 210其径向的直径小于所述卡头 220在该方向最宽处的宽度。 图 2 和图 4中， 所述卡头 220的形状为圓柱形。 所述卡头 220与所述容纳槽 113相 配合。
较佳地， 所述基座的侧面设置有倒齿 116。
在安装时， 所述母扣基座 100安装家具面板上的安装槽。 所述公扣 200的 卡头 220穿过公扣面板上的安装孔径所述引导孔 112进入所述容纳槽， 而后旋 转 90度， 此时， 所述连接部 210—部分容置于所述引导孔 112, 另一部分容置 于所述公扣面板上的安装孔。 所述公扣拨片 230 的尺寸应设置为大于安装孔， 从而不能进入安装孔而留置于所述公扣面板的一侧。 为了实现母扣 100和公扣 200之间的固定连接，则所述卡头 220经所述平面侧面 111的阻挡而不能从所述 容纳槽 113脱落是必须的。 为此， 所述引导孔 112左右侧壁之间的距离设置为 略大于所述连接部 210的经向直径， 而小于所述卡头 220最宽处的宽度， 这样， 当所述卡头 220经所述引导孔 112进入所述容纳槽后旋转 90度， 此时， 所述卡 头 220不能水平移动而脱离所述引导孔 112。
参照图 5、 图 6和图 7 , 所述引导孔 112在所述平面侧面 111上的开口向周 边扩张成一个凹槽 115 ,所述公扣拨片 230和所述连接部 210之间设有公扣底座 240,所述连接部 230沿其径向的直径小于所述公扣底座 240在该方向上的直径， 所述凹槽 115与所述公扣底座 240的前端相匹配。 使用时， 所述母扣基座 100 安装家具面板上的安装槽。 所述公扣 200的卡头 220穿过公扣面板上的安装孔 径所述引导孔 112进入所述容纳槽后旋转 90度， 此时， 所述连接部 210容置于 所述引导孔 112, 所述公扣底座 240部分容置于所述凹槽 115并与之紧密配合， 所述公扣底座 240其余部分容置于所述公扣面板上的安装孔。 此时， 由于所述 公扣底座 240部分容置于所述凹槽 115并与之紧密配合， 从而防止所述公扣 200 上下位移， 从而实现家具面板之间的固定连接。
参照图 8、 图 9和图 10, 所述基座 110也可设置为圆柱形， 所述引导孔 112 和凹槽 115开设于所述圓柱形的上端面， 所述引导孔 112在所述圓柱形的上端 面上的开口向周边扩张成凹槽 115,所述容纳槽 113开设于所述圓柱体内并贯穿 所述圓柱形基座的底端面， 所述基座 110还具有一个底盖 114， 密封所述容纳槽 113。 所述卡头 210为与所述连接部 210垂直的梯形。 应理解， 所述卡头 210的 形状并不限于图 5和图 10中所示的形状。 所述卡头 210的形状仅需满足沿所述 连接部 210径向最宽处的宽度大于所述连接部沿其经向的直径及可。 为了方便旋转所述公扣 200, 参照图 11和 12, 所述公扣拨片 230的一侧还 具有旋转把手 260, 旋转把手 260可与所述公扣拨片 230固接， 也可釆用可拆卸 的方式连接， 当采用后一种方式连接时， 参照图 12, 所述公扣拨片 230的侧面 上设置有安装孔 231 ,所述旋转 ·ί巴手 260上设有与所述安装孔 231向配合的卡点 261 , 通过卡点 261与所述安装孔 231的配合， 使得旋转所述旋转把手 260即可 带动所述公扣拨片 230旋转， 当所述公扣 200旋转到预定位置时， 所述旋转把 手 260可以方便的从所述公扣拨片上拆卸下来。
参照图 13和图 14， 一种组合面板， 包括母扣面板 300和设置于母扣面板侧 面的母扣安装槽 301 , 公扣面板 400及穿设与所述公扣面板的连接孔 401 , 所述 母扣面板 300和所述公扣面板 400藉由旋转式家具连接件固定连接， 所述旋转 式家具连接件， 包括相互配合的母扣 100和公扣 200。
所述母扣 100具有基座 110,其一个侧面为平面侧面 111的，该平面侧面 111 上开设有引导孔 112，基座 110内部开设有与所述引导孔 112连通的容纳槽 113; 所述母扣的基座 no安装于所述母扣安装槽 301。
所述公扣 200具有连接部 210和分别位于连接部 210两端的卡头 220和公扣 拨片 230;所述连接部 210沿其径向的直径小于所述卡头 220在该方向最宽处的 宽度。
所述引导孔 112左右侧壁之间的距离略大于所述连接部 210的经向直径，而 小于所述卡头 220最宽处的宽度， 从而使该卡头 220穿过所述引导孔 112后旋 转 90度， 经所述平面侧面 111的阻挡而不能从所述容纳槽 113脱落。
所述公扣 200的卡头 220穿过所述公扣面板 400的连接孔 401和所述引导孔 112进入所述容纳槽 113 , 所述连接部部分进入连接孔 210, 部分进入所述引导 孔 112, 所述公扣拨片 230的大小设置为大于所述连接孔 401 , 从而不能进入所 述连接孔 401 , 而留置于所述公扣面板一侧， 从而将所述公扣面板 400和所述母 扣面板 300固定连接。 上述实施例， 只是本发明的较佳实施例， 并非用来限制本发明实施范围， 故凡以本发明权利要求所述的特征及原理所做的等效变化或修饰， 均应包括在 本发明权利要求范围之内。

Claims

权 利 要 求
1、 一种旋转式家具连接件， 包括相互配合的母扣和公扣， 其特征在于， 所 述母扣具有一个侧面为平面的基座， 该平面侧面上开设有引导孔， 基座内部开 设有与所述引导孔连通的容纳槽； 所述公扣具有连接部和分别位于连接部两端 的卡头和公扣拨片， 所述连接部沿其径向的直径小于所述卡头在该方向最宽处 的宽度； 且所述引导孔左右侧壁之间的距离略大于所述连接部的经向直径， 而 小于所述卡头最宽处的宽度， 从而使该卡头穿过所述引导孔进入所述容纳槽后 旋转 90度， 经所述平面侧面的阻挡而不能从所述容纳槽脱落。
2、 如权利要求 1所述的旋转式家具连接件， 其特征在于， 所述引导孔在所 述平面侧面上的开口向周边扩张成一个凹槽， 所述公扣拨片和所述连接部之间 设有公扣底座， 所述连接部沿其径向的直径小于所述公扣底座在该方向上的直 径， 所述凹槽与所述公扣底座的前端相匹配。
3、 如权利要求 2所述的旋转式家具连接件， 其特征在于， 所述连接部容置 于所述引导孔。
4、 如权利要求 1所述的旋转式家具连接件， 其特征在于， 所述容纳槽贯穿 所述基座的底端面， 所述基座还具有一个底盖， 密封所述容纳槽。
5、 如权利要求 1-4所述的旋转式家具连接件， 其特征在于， 所述基座为圓 柱形， 所述平面侧面为所述圆柱的上端面， 所述容纳槽贯穿所述圓柱体的下侧 面。
6、 如权利要求 1-4所述的旋转式家具连接件， 其特征在于， 所述基座为圓 台形， 所述圓台的一侧面为平面的。
7、 如权利要求 1-4所述的旋转式家具连接件， 其特征在于， 所述公扣拨片 具有旋转把手。
8、 如权利要求 1所述的旋转式家具连接件， 其特征在于， 所述基座的侧面 设置有倒齿。
9、 一种组合面板， 包括母扣面板和设置于母扣面板侧面的母扣安装槽， 公 扣面板及穿设于所述公扣面板的安装孔， 所述母扣面板和所述公扣面板藉由旋 转式家具连接件固定连接， 所述旋转式家具连接件， 包括相互配合的母扣和公 扣； 其特征在于：
所述母扣具有一个侧面为平面的基座， 该平面侧面上开设有引导孔，基座内 部开设有与所述引导孔连通的容纳槽； 所述母扣的基座安装于所述母扣安装槽； 所述公扣具有连接部和分别位于连接部两端的卡头和公扣拨片；所述连接部 沿其径向的直径小于所述卡头在该方向最宽处的宽度；
所述引导孔左右侧壁之间的距离略大于所述连接部的经向直径，而小于所述 卡头最宽处的宽度， 从而使该卡头穿过所述引导孔后旋转 90度， 经所述平面侧 面的阻挡而不能从所述容纳槽脱落； 所述公扣的卡头穿过所述公扣面板的安装 孔和所述引导孔进入所述容纳槽， 所述连接部部分进入所述安装孔， 部分进入 所述引导孔， 所述公扣拨片的大小设置为大于所述安装孔， 从而不能进入所述 安装孔， 而留置于所述公扣面板一侧， 从而将所述公扣面板和所述母扣面板固 定连接。
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