WO2012129841A1 - 一种vh型滑壳膨胀螺丝 - Google Patents

一种vh型滑壳膨胀螺丝 Download PDF

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Publication number
WO2012129841A1
WO2012129841A1 PCT/CN2011/075272 CN2011075272W WO2012129841A1 WO 2012129841 A1 WO2012129841 A1 WO 2012129841A1 CN 2011075272 W CN2011075272 W CN 2011075272W WO 2012129841 A1 WO2012129841 A1 WO 2012129841A1
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WO
WIPO (PCT)
Prior art keywords
sliding
sliding shell
bolt
screw rod
rocker
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Application number
PCT/CN2011/075272
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English (en)
French (fr)
Inventor
胡光一
Original Assignee
周曼莉
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Publication date
Application filed by 周曼莉 filed Critical 周曼莉
Publication of WO2012129841A1 publication Critical patent/WO2012129841A1/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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
    • 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
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • F16B13/0866—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation with prongs penetrating into the wall of the hole by a retractile movement of a threaded member

Definitions

  • the invention relates to the technical field of hardware twisting firmware, in particular to a VH type sliding shell expansion screw.
  • the short-shaped expansion screws that are commonly used in the past are used for twisting large and heavy-duty construction objects. It is derived from the effective hardware twisting firmware manufactured by the Italian construction industry for the application of construction requirements. It has been widely used in the global building decoration industry for more than 20 years. Although the structure is very simple, the principle cylinder is easy to use, and the construction industry is very reliant on it. However, construction engineering often has various construction environment restrictions. When these short expansion screws can only be used to twist the solid objects on the wall and column beams. Or on the superficial surface of the building at the bottom of the building, when the weight of the torsion-heavy object is overloaded or the structure of the torsion is not strong, the short-shaped expansion screw twisted on the shallow surface will fall off together with the heavy object. , a serious danger.
  • the invention provides a sliding shell expansion screw with good fastening property and safety and reliability.
  • a VH type sliding shell expansion screw comprising a sliding shell and a screw rod, further comprising a sliding bolt, the sliding shell is sleeved on the sliding bolt, the sliding shell has an inner cone at one end thereof, and the screw rod is disposed on the sliding bolt
  • the end of the sliding bolt corresponding to the inner tapered end of the sliding shell extends outwardly to form an outer taper, and the other end of the sliding bolt is provided with a top bracket.
  • the rocker blade is fixedly disposed on an outer surface of the sliding shell,
  • the rocker blade is a cutting plate whose edge is a knife edge.
  • At least two rocker blades are disposed along a circumferential direction of the sliding shell, and the rocker blades are equidistantly disposed on an outer surface of the sliding shell.
  • At least two rocker blades are disposed along the axial direction of the sliding shell, and the rocker blades are equidistantly disposed on an outer surface of the sliding shell.
  • rocker blades are arranged along the circumferential direction of the sliding shell, and are equidistantly disposed on the outer surface of the sliding shell to form a cross shape.
  • the angle between the rocker blade and the sliding shell is 15 to 25 degrees.
  • the rocker blade has an M shape.
  • the sliding shell is provided with a gap in the axial direction.
  • the screw rod is connected to the sliding bolt by a thread.
  • the screw rod is provided with at least two sliding bolts.
  • a VH type sliding shell expansion screw comprising a sliding shell and a screw rod, further comprising a sliding bolt, the sliding shell is sleeved on the sliding bolt, the sliding shell has an inner cone at one end thereof, and the screw rod is disposed on the sliding bolt
  • the end of the sliding bolt corresponding to the inner tapered end of the sliding shell extends outwardly to form an outer taper, and the other end of the sliding bolt is provided with a top bracket.
  • the screw rod is inserted in the sliding bolt, and the top bracket provided at the end of the sliding bolt pushes the sliding shell into the hole.
  • the screw rod When the screw rod is twisted, the sliding bolt is moved to press the wall of the hole and close to the hole wall to reach The fixing effect, because the screw rod and the bolt in the prior art are no longer used to expand the sliding shell, the screw rod can penetrate a plurality of expansion screws, so that the expansion screw is deeply embedded in the multi-layer fault wall to achieve the effect of strengthening and fixing.
  • DRAWINGS Fig. 1 is a schematic view showing the structure of a first embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a slide bolt of the present invention.
  • Figure 3 is a cross-sectional view of the sliding shell of the present invention.
  • Fig. 4 is a schematic structural view of Embodiment 2 of the present invention.
  • Fig. 5 is a view showing a state of use of a second embodiment of the present invention.
  • Embodiment 1 referring to FIG. 1 , FIG. 2 , FIG. 3 , a VH type sliding shell expansion screw, comprising a sliding shell 1 and a screw rod 6 , further comprising a sliding bolt 2 , wherein the sliding shell 1 is sleeved on the sliding bolt 2 , One end portion of the sliding shell 1 is internally tapered, and the screw rod 6 is connected to the sliding bolt 2 by a thread.
  • the sliding bolt 2 extends outwardly toward the outer end of the inner tapered end portion of the sliding shell 1 to form an outer cone.
  • the other end of the sliding bolt 2 is provided with a top bracket 4.
  • the screw bolt 6 drives the sliding bolt 2 to move, the top bracket 4 bears against the outer wall of the sliding shell 1, the sliding shell 1 penetrates into the hole, and then the screw rod 6 is withdrawn, the screw rod 6 drives the sliding bolt 2 to move, and the outer cone of the sliding bolt 2
  • the end portion of the shape expands the sliding shell 1 and abuts against the wall of the hole to achieve a fixing effect. Since the screw shaft 6 and the bolt are not used to expand the sliding shell 1 , the screw rod 6 can penetrate a plurality of expansion screws. The expansion screw is inserted deeper into the wall of the hole to achieve the effect of reinforcing the fixing; the screw rod 6 is connected with the sliding bolt 2 through the thread. Easy to disassemble, easy to reuse the screw rod 6.
  • the rocker blade 3 is further disposed on the sliding shell 1
  • the outer surface of the rocker blade 3 is a cutting edge having a blade edge.
  • the rocker blade 3 is disposed along the circumferential direction of the sliding shell 1 and is equidistantly disposed on the outer surface of the sliding shell 1 to form a cross.
  • the outer surface of the sliding shell 1 is provided with three rocker blades 3 in the axial direction, and is equidistantly disposed on the outer surface of the sliding shell 1.
  • the angle between the rocker blades 3 and the sliding shell 1 is 20 degrees, the nut 5
  • the sliding bolt 2 is moved, and the rocker blade 3 moves with the sliding shell 1, and the rocker blade 3 is frictionally pressed with the wall of the hole, and is vertically inserted into the wall of the hole, thereby fixing the sliding shell 1 in the hole.
  • a gap 7 is provided along the axial direction of the sliding casing 1.
  • the gap 7 can facilitate the installation of the sliding shell 1 and also facilitate the expansion and compression of the hole during the expansion process.
  • the screw rod 6 is connected to the spool 2 by a screw. Easy to disassemble, it is easy to reuse the screw 6 .
  • the rocker blade 3 is integrally formed by stamping with the sliding shell 1.
  • a VH type sliding shell expansion screw includes a sliding shell 1, a sliding bolt 2, a rocker blade 3 and a screw rod 6.
  • the sliding shell 1 is sleeved on the sliding bolt 2, One end portion of the sliding shell 1 is internally tapered, and the screw rod 6 passes through the sliding bolt 2 and the top bracket 4.
  • the sliding bolt 2 extends outwardly toward the outer end of the inner tapered end portion of the sliding shell 1 to form an outer cone.
  • the other end of the sliding bolt 2 is provided with a top bracket 4, and the rocker blade 3 is fixedly disposed on the outer surface of the sliding shell 1
  • the rocker blade 3 is a cutting plate whose edge is a knife edge, and the rocker blade 3 is disposed in the circumferential direction of the sliding shell 1 , and the rocker blade 3 is equidistantly disposed on the sliding shell 1 .
  • the screw rod 6 can be connected in series with the expansion structure formed by the two sliding shells 1 and the sliding bolts 2, and can be inserted into the hole more deeply.
  • the length and the strength of the wall can be selected according to the required length. The use of multiple, significantly enhances the repair joint strength of the sandwich fault within the hole.
  • rocker blades 3 are disposed along the axial direction of the sliding shell 1, and the rocker blades 3 are equidistantly disposed on the outer surface of the sliding shell 1, the rocker blades 3 and the sliding shell 1
  • the angle of the rocker blade 3 is M-shaped, and the sliding shell 1 is provided with a gap 7 in the axial direction.
  • the screw rod 6 is connected to the spool 2 by a screw.
  • the rocker blade 3 is integrally formed by stamping with the sliding shell 1.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Description

说明书
一种 VH型滑壳膨胀螺丝
技术领域
本发明涉及五金扭固件技术领域， 具体涉及一种 VH型滑壳膨胀 螺丝。
背景技术
现有普及使用的短形膨胀螺丝用于扭固大形重形施工物件，它源 自意大利建筑界对建筑施工要求应用而制造的有效五金扭固件，在全 球建筑装修行业广泛应用 20多年， 它虽然结构非常筒单， 原理筒易 实用效果， 建筑施工业界对它非常信赖，但是建筑工程经常出现各种 施工环境限制，当这些短形膨胀螺丝将重形物件只可以扭固在墙壁及 柱梁或楼底的建筑物浅表局部表层上，当扭固的重形物件超负荷或扭 固的建筑物质量不坚固时，扭固在浅表层的短形膨胀螺丝就会连重形 物件一起脱落， 发生严重危险。
发明内容
本发明提供一种紧固性好， 安全可靠的滑壳膨胀螺丝。
本发明的技术方案是：
一种 VH型滑壳膨胀螺丝， 包括滑壳和螺丝杆， 还包括滑栓， 所 述滑壳套设于滑栓， 所述滑壳的一端部是内锥形， 螺丝杆穿设于滑栓 内， 所述滑栓对应滑壳的内锥形端部的一端向外侧延伸， 成外锥形， 所述滑栓的另一端设置有顶托。
其中，还包括摇臂叶片，摇臂叶片固定设置于所述滑壳的外表面， 所述摇臂叶片是边缘为刀口的切板。
其中， 沿所述滑壳的圓周方向设有至少两个摇臂叶片， 所述摇臂 叶片等距设置于所述滑壳的外表面。
其中， 沿所述滑壳的轴向方向至少设置有两个摇臂叶片， 所述摇 臂叶片等距设置于所述滑壳的外表面。
其中， 沿所述滑壳的圓周方向设置有 4个摇臂叶片， 等距设置于 滑壳的外表面， 成十字形。
其中， 所述摇臂叶片与滑壳的夹角为 15 ~ 25度。
其中， 所述摇臂叶片呈 M形。
其中， 所述滑壳沿轴向方向设置有间隙。
其中， 所述螺丝杆通过螺纹与滑栓连接。
其中， 所述螺丝杆穿设有至少两个滑栓。
本发明的技术效果：
一种 VH型滑壳膨胀螺丝， 包括滑壳和螺丝杆， 还包括滑栓， 所 述滑壳套设于滑栓， 所述滑壳的一端部是内锥形， 螺丝杆穿设于滑栓 内， 所述滑栓对应滑壳的内锥形端部的一端向外侧延伸， 成外锥形， 所述滑栓的另一端设置有顶托。 螺丝杆穿设于滑栓中， 滑栓端部设置 的顶托将滑壳顶入洞孔内， 当螺丝杆扭固时， 带动滑栓移动压紧洞孔 壁， 紧贴住孔壁， 达到固定效果， 由于不再使用现有技术中的螺丝杆 和螺栓使滑壳膨胀， 螺丝杆可以贯穿多个膨胀螺丝， 使膨胀螺丝更深 入的嵌入多层断层夹墙， 达到加强固定的效果。
附图说明 图 1是本发明的实施例 1的结构示意图。
图 2是本发明的滑栓的结构示意图。
图 3是本发明的滑壳的横截面图。
图 4是本发明的实施例 2的结构示意图。
图 5是本发明的实施例 2的使用状态图。
附图标记说明如下：
1-滑壳， 2_滑栓， 3 -摇臂叶片， 4_顶托， 5_螺母， 6 -螺丝杆， 7- 间隙。
具体实施方式
下面结合附图和具体实施例对本发明做详细描述。
实施例 1、 参见图 1 , 图 2 , 图 3 , —种 VH型滑壳膨胀螺丝， 包 括滑壳 1和螺丝杆 6 , 还包括滑栓 2 , 所述滑壳 1套设于滑栓 2 , 所 述滑壳 1的一端部是内锥形， 所述螺丝杆 6通过螺纹与滑栓 2连接， 所述滑栓 2对应滑壳 1的内锥形端部的一端向外侧延伸， 成外锥形， 所述滑栓 2的另一端设置有顶托 4。 通过螺丝杆 6带动滑栓 2推移， 顶托 4顶住滑壳 1外壁， 将滑壳 1深入孔内， 然后将螺丝杆 6退出， 螺丝杆 6带动滑栓 2移动， 滑栓 2的外锥形端部将滑壳 1撑开， 紧贴 住孔壁， 达到固定效果， 由于不再使用现有技术中的螺丝杆 6和螺栓 使滑壳 1膨胀， 螺丝杆 6可以贯穿多个膨胀螺丝， 使膨胀螺丝更深入 的嵌入孔壁， 达到加强固定的效果； 所述螺丝杆 6通过螺纹与滑栓 2 连接。 拆卸方便， 便于螺丝杆 6重复利用。
其中， 还包括摇臂叶片 3 , 摇臂叶片 3固定设置于所述滑壳 1的 外表面， 所述摇臂叶片 3是边缘为刀口的切板， 所述沿滑壳 1的圓周 方向设置有 4个摇臂叶片 3 ,等距设置于滑壳 1的外表面，成十字形。 所述滑壳 1的外表面沿轴向方向设置有 3个摇臂叶片 3 , 等距设置于 滑壳 1的外表面， 所述摇臂叶片 3与滑壳 1的夹角为 20度， 螺母 5 带动滑栓 2移动， 摇臂叶片 3随着滑壳 1移动，摇臂叶片 3与孔壁摩 擦受力， 竖向插入孔壁， 进而将滑壳 1固定在孔内。
其中， 沿所述滑壳 1的轴向方向设置有间隙 7。 间隙 7可以便于 滑壳 1的安装， 也便于在膨胀过程中， 更易膨胀紧压洞孔变形。
其中， 所述螺丝杆 6通过螺纹与滑栓 2连接。 拆卸方便， 便于螺 丝杆 6重复利用。
其中， 所述摇臂叶片 3与所述滑壳 1一体沖压成型。
使用时： 将膨胀螺丝置入钻好的孔内， 通过螺丝杆 6带动滑栓 2 推移， 顶托 4顶住滑壳 1外壁， 将滑壳 1深入孔内， 然后将螺丝杆 6 退出，螺丝杆 6带动滑栓 2移动，滑栓 2的外锥形端部将滑壳 1撑开， 紧贴住孔壁， 达到固定效果， 滑壳 1膨胀时， 滑壳 1外表面设置的摇 臂叶片 3 , 插入孔壁， 当膨胀螺丝上扭固重量物件时， 产生的重力使 摇臂叶片 3扩展， 更深入的插入孔壁， 增强膨胀螺丝的受力强度。
实施例 2、 参见图 4 , 图 5 , —种 VH型滑壳膨胀螺丝， 包括滑壳 1、 滑栓 2、 摇臂叶片 3和螺丝杆 6 , 所述滑壳 1套设于滑栓 2 , 所述 滑壳 1的一端部是内锥形， 螺丝杆 6穿过滑栓 2和顶托 4 , 所述滑栓 2对应滑壳 1的内锥形端部的一端向外侧延伸， 成外锥形， 所述滑栓 2的另一端设置有顶托 4 , 摇臂叶片 3固定设置于所述滑壳 1的外表 面， 所述摇臂叶片 3是边缘为刀口的切板， 所述沿滑壳 1的圓周方向 设有四个摇臂叶片 3 , 所述摇臂叶片 3等距设置于所述滑壳 1的外表 面。 其中， 所述一根螺丝杆 6可以串连使用 2个滑壳 1和滑栓 2配套 形成的膨胀结构， 可以更加深入的伸入孔内， 可以根据需要使用的长 度和墙壁的强度， 选择串连使用多个， 明显增强在孔内的夹层断层的 修复连接强度。
其中， 沿所述滑壳 1的轴向方向设置有四个摇臂叶片 3 , 所述摇 臂叶片 3等距设置于所述滑壳 1的外表面， 所述摇臂叶片 3与滑壳 1 的夹角为 15度， 所述摇臂叶片 3的横截面呈 M形， 所述滑壳 1沿轴 向方向设置有间隙 7。
其中， 所述螺丝杆 6通过螺纹与滑栓 2连接。
其中， 所述摇臂叶片 3与所述滑壳 1一体沖压成型。
最后应当说明的是， 以上内容仅用以说明本发明的技术方案， 而 非对本发明保护范围的限制，尽管该具体实施方式部分对本发明作了 详细地说明， 本领域的普通技术人员应当理解， 可以对本发明的技术 方案进行修改或者等同替换， 而不脱离本发明技术方案的实质和范 围。

Claims

权利要求书
1、 一种 VH型滑壳膨胀螺丝， 包括滑壳和螺丝杆， 其特征在于： 还包括滑栓， 所述滑壳套设于滑栓， 所述滑壳的一端部是内锥形， 螺 丝杆穿设于滑栓内，所述滑栓对应滑壳的内锥形端部的一端向外侧延 伸， 成外锥形， 所述滑栓的另一端设置有顶托。
2、 如权利要求 1所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 还包括摇臂叶片， 摇臂叶片固定设置于所述滑壳的外表面， 所述摇臂 叶片是边缘为刀口的切板。
3、 如权利要求 2所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 沿所述滑壳的圓周方向设有至少两个摇臂叶片，所述摇臂叶片等距设 置于所述滑壳的外表面。
4、 如权利要求 3所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 沿所述滑壳的轴向方向至少设置有两个摇臂叶片，所述摇臂叶片等距 设置于所述滑壳的外表面。
5、 如权利要求 4所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 沿所述滑壳的圓周方向设置有 4个摇臂叶片， 4个摇臂叶片等距设置 于滑壳的外表面， 成十字形。
6、 如权利要求 5所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 所述摇臂叶片与滑壳的夹角为 15 ~ 25度。
7、 如权利要求 5所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 所述摇臂叶片的横截面呈 M形。
8、如权利要求 1或 7所述的一种 VH型滑壳膨胀螺丝， 其特征在 于： 所述滑壳沿轴向方向设置有间隙。
9、 如权利要求 1所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 所述螺丝杆通过螺纹与滑栓连接。
10、如权利要求 1所述的一种 VH型滑壳膨胀螺丝， 其特征在于： 所述螺丝杆穿设有至少两个滑栓。
PCT/CN2011/075272 2011-03-28 2011-06-03 一种vh型滑壳膨胀螺丝 WO2012129841A1 (zh)

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CN1352355A (zh) * 2000-11-03 2002-06-05 希尔蒂股份公司 金属膨胀螺栓
CN201080945Y (zh) * 2007-05-11 2008-07-02 任芝远 一种双螺母联动式膨胀螺丝
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CN2079231U (zh) * 1989-06-14 1991-06-19 李渊河 可重复使用的膨胀螺栓
CN1352355A (zh) * 2000-11-03 2002-06-05 希尔蒂股份公司 金属膨胀螺栓
CN2484433Y (zh) * 2001-05-22 2002-04-03 张超 新型膨胀螺栓
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