WO2012159528A1 - 拉爆式天花、挂件螺丝及其使用方法 - Google Patents

拉爆式天花、挂件螺丝及其使用方法 Download PDF

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Publication number
WO2012159528A1
WO2012159528A1 PCT/CN2012/075148 CN2012075148W WO2012159528A1 WO 2012159528 A1 WO2012159528 A1 WO 2012159528A1 CN 2012075148 W CN2012075148 W CN 2012075148W WO 2012159528 A1 WO2012159528 A1 WO 2012159528A1
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WO
WIPO (PCT)
Prior art keywords
frustum
ceiling
screw
screw head
expansion tube
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PCT/CN2012/075148
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English (en)
French (fr)
Inventor
温少松
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Wen Shaosong
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Publication date
Application filed by Wen Shaosong filed Critical Wen Shaosong
Publication of WO2012159528A1 publication Critical patent/WO2012159528A1/zh

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    • 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
    • F16B13/065—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 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
    • F16B13/06—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

Definitions

  • the invention belongs to the technical field of fastener screws, in particular to a pop-up ceiling, a hanging screw and a using method thereof.
  • the top-explosive screw includes a top-extinguishing screw sleeve 10, a top-shooting head 20 installed in the top-extinguishing screw sleeve 10, and a film 30 for fixing the top-shooting head 20.
  • the top explosion screw has the following defects:
  • the conventional screws such as the top-extinguishing screws in the prior art are not only cumbersome to install, but also difficult or impossible to open the expansion when the application terminal has a high density or a high number.
  • the technical problem to be solved by the present invention is to provide a pop-up ceiling and a hanging screw, which is intended to solve the conventional screws such as a top-screw screw in the prior art, which is not only complicated to install, but also has high density or high label when the application terminal is high. It is difficult or impossible to open the problem of expansion.
  • the present invention provides a blasting ceiling and a hanging screw, comprising: a stud, an expansion tube and a main body screw head, wherein the blasting ceiling and the hanging screw further comprise a frustum-shaped pushing portion,
  • the frustum-shaped pushing portion has a concave-convex pushing surface
  • the stud is disposed on one of the frustum-shaped pushing portion and the body screw head, and is configured to be screwed with the other of the remaining ones
  • An expansion tube is disposed on the stud, and the main screw head portion extends into the expansion tube, and when the main body screw head and the frustum-shaped ejector portion are screwed, the frustum-shaped ejector push-up portion
  • the inner wall of the lower end of the expansion tube is such that the lower end of the expansion tube is gradually expanded outward.
  • the invention also provides a method for using a pop-up ceiling and a hanging screw, comprising the following steps:
  • the main screw head is tightened, and the frustum-shaped pushing portion applies pressure to the expansion tube to gradually expand the lower end of the expansion tube.
  • the invention has the beneficial effects that the main screw head is screwed by a mechanical tool, and the frustum-shaped pushing portion is easy to apply pressure to the expansion tube to expand, and when the application end has a high density or a high label, the invention can also be used.
  • the end of the expansion tube is provided with a concave-convex groove matched with the urging surface of the frustum-shaped ejector portion, and the expansion tube and the frustum-shaped ejector portion can be more effectively prevented from rotating at the same time, thereby providing a better fastening effect.
  • FIG. 1 is a schematic exploded view of a top-explosive screw in the prior art
  • FIG. 2 is a diagram showing an example of an application scenario of a top-explosive screw in the prior art
  • FIG. 3 is a schematic exploded view of a pop-up ceiling and a pendant screw according to an embodiment of the present invention
  • FIG. 4 is a schematic perspective view showing the structure of a pop-up ceiling and a pendant screw according to an embodiment of the present invention
  • FIG. 5 is a diagram showing an example of an application scenario of a pop-up ceiling and a pendant screw according to an embodiment of the present invention
  • FIG. 6 is a view showing another example of an application scenario of a pop-up ceiling and a pendant screw according to an embodiment of the present invention
  • FIG. 7 is a schematic exploded view of a pop-up ceiling and a pendant screw according to another embodiment of the present invention.
  • FIG. 8 is a flow chart of a method for using a pop-up ceiling and a pendant screw according to an embodiment of the present invention.
  • the main screw head is screwed by a mechanical tool
  • the frustum-shaped pushing portion is easy to apply pressure to the expansion tube to expand, and when the application end has a high density or a high label, the expansion can also be opened, and the installation is simple. It saves time and effort and is safe and stable; through the frustum-shaped ejector with concave and convex thrust surface, it can not only accommodate the residue generated when drilling at the application end, but also increase the contact friction, which can not only increase the friction with the application end.
  • the frictional force with the expansion tube can also be increased, and the expansion tube and the frustum-shaped pushing portion can be prevented from rotating at the same time, thereby achieving a better fastening effect.
  • the end of the expansion tube is provided with a concave-convex groove matched with the urging surface of the frustum-shaped ejector portion, and the expansion tube and the frustum-shaped ejector portion can be more effectively prevented from rotating at the same time, thereby providing a better fastening effect.
  • the embodiments provided by the present invention are as follows:
  • Pull-type ceilings and pendant screws including:
  • a stud, an expansion tube and a main body screw head the blasting ceiling and the hanging screw further comprise a frustum-shaped ejector portion, wherein the frustum-shaped ejector portion has a concave and convex pushing surface, the stud is disposed on the One of a frustum-shaped ejector portion and a body screw head for screwing with the other of the remaining ones, the expansion tube for fitting on the stud, the body screw head portion extending into the In the expansion tube, when the main body screw head and the frustum-shaped ejector portion are screwed, the frustum-shaped ejector portion pushes the inner wall of the lower end of the expansion tube to gradually expand the lower end of the expansion tube.
  • the method of using the pop-up ceiling and the hanging screws includes the following steps:
  • the main screw head is tightened, and the frustum-shaped pushing portion applies pressure to the expansion tube to gradually expand the lower end of the expansion tube.
  • an embodiment of the present invention provides a pop-up ceiling and a pendant screw, including:
  • the stud 12, the expansion tube 2 and the main body screw head 3, the blasting ceiling and the hanging screw further comprise a frustum-shaped ejector portion 1 having a embossing surface between the concave and convex portions, the snail
  • the column 12 is disposed on one of the frustum-shaped ejector portion 1 and the body screw head 3, and is for screwing with the other of the remaining ones, and the expansion tube 2 is for fitting on the stud 12
  • the main screw head 3 partially protrudes into the expansion tube 2, and when the main body screw head 3 and the frustum-shaped ejector portion 1 are screwed, the frustum-shaped ejector portion 1 pushes the expansion tube 2
  • the lower end inner wall causes the lower end of the expansion tube 2 to gradually expand outward.
  • the explosion-type ceiling and the hanging screw of the embodiment of the present invention can be conveniently screwed to the main body screw head 3 and the frustum-shaped pushing portion 1 by a mechanical tool, and the inner wall of the lower end of the expansion tube 2 is pushed by the frustum-shaped pushing portion 1 .
  • the lower end of the expansion tube 2 is gradually expanded outward, and the expansion tube 2 is easily opened and expanded.
  • the expansion can also be opened.
  • the hole can be punched in the application end, the pop-up ceiling and the hanging screw are inserted into the hole, and then the main screw head 3 and the frustum-shaped pushing portion 1 are screwed, when the main screw head 3 is rotated to a certain extent.
  • the expansion tube is opened and expanded under the extrusion of the main body screw head 3 and the frustum-shaped pushing portion 1, so that it can be fastened with the application end.
  • the explosion-type ceiling and the hanging screw are used to replace the traditional bolting of the top head by means of the screw head 3 and the frustum-shaped pushing portion 1 to make the top-explosion nut expand. In a way, it is easier to achieve open expansion, and it is easy to install, saves time and effort, and is safe and stable.
  • the embossed surface of the uneven portion can accommodate the application end while drilling
  • the residue generated during the hole can also increase the friction with the application end, so that the frustum-shaped pushing portion 1 can be better fixed on the application end; in addition, when the main body screw head 3 and the frustum-shaped pushing portion 1 are tightened
  • the frictional force when the frustum-shaped ejector portion 1 is in contact with the expansion tube 2 can be increased by the embossing surface between the concave and convex phases, and the expansion tube 2 and the frustum-shaped ejector portion 1 can be prevented from rotating at the same time, thereby better fastening the frustum shape.
  • the end surface of the expansion tube 2 is further provided with the concavity and convexity of the frustum-shaped ejector portion 1.
  • the ejector surface matches the concave-convex groove, so that the expansion tube 2 and the frustum-shaped ejector portion 1 can be prevented from rotating at the same time more effectively.
  • the diameter of the lower end of the frustum-shaped pushing portion 1 is smaller than the diameter of the expansion tube 2, and the diameter of the upper end is larger than the diameter of the expansion tube 2.
  • the stud 12 and the frustum-shaped ejector portion 1 are integrally formed, and the stud 12 is provided with an external thread, and the main body screw head 3 is internally provided with Internal thread that matches the external thread.
  • the stud 12 and the main body screw head 3 are integrally formed, and the stud 12 is provided with an external thread, and the frustum-shaped pushing portion 1 is internally provided with Internal thread that matches the external thread.
  • the diameter of the upper end of the main body screw head 3 is smaller than the diameter of the expansion tube 2.
  • the circumferential surface of the frustum-shaped pushing portion 1 is provided with axial V-shaped teeth and V-shaped grooves between the concave and convex portions.
  • the second is to increase the friction with the application end such as the wall, so that The frustum-shaped pushing portion 1 is better fixed on the application end;
  • the third is to increase the frustum-shaped pushing through the axial V-shaped teeth and the V-shaped groove when the main body screw head 3 and the frustum-shaped pushing portion 1 are tightened.
  • the frictional force of the portion 1 in contact with the expansion tube 2 prevents the expansion tube 2 from rotating simultaneously with the frustum-shaped ejector portion 1, thereby better fastening the frustum-shaped ejector portion 1 and the expansion tube 2.
  • the blasting ceiling and the pendant screw further include:
  • the screw 5 and the nut 4 can be used to fix the ceiling member and the hanging member of the object to be mounted; of course, it can also be used for fixing an air conditioner or the like, and is not intended to limit the present invention.
  • the blasting ceiling and the pendant screw further include:
  • the hanging member 7 is provided with an external thread 71 for screwing with the main body screw head 3; in the embodiment of the invention, the hanging member 7 is specifically a hook provided with an external thread at the top end.
  • an embodiment of the present invention further provides a method for using a pop-up ceiling and a pendant screw as described above, including the following steps:
  • the main body screw head 3 and the frustum-shaped pushing portion 1 are unscrewed, and the main body screw head 3 can be removed, and the second use can be repeated; after the main body screw is removed, the upper surface of the application end is flat and has no protrusion. .
  • the method for using the pop-up ceiling and the hanging screw of the embodiment of the invention is simple, easy to assemble and disassemble, saves time and labor, and is safe and stable.
  • the nut can be deformed in addition to the common hexagonal shape, such as square, spherical, round, etc., its size, size or similar to the outer hexagonal head exposed part
  • Alternatives such as the internal tooth connection function are intended to be included in the scope of the present invention.
  • the invention can conveniently screw the main screw head and the frustum-shaped pushing portion by a mechanical tool, and is easy to apply pressure to the expansion tube to expand, and when the application end has high density or high label, the expansion can also be opened, and the installation is simple and convenient. Time-saving and safe and stable; through the frustum-shaped ejector with concave and convex thrust surface, not only can it accommodate the residue generated when drilling at the application end, but also increase the contact friction and play a better fastening effect.

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Abstract

本发明适用于螺丝技术领域，提供了拉爆式天花、挂件螺丝及其使用方法，包括：螺柱、膨胀管、主体螺丝头，锥台形顶推部，螺柱设置于锥台形顶推部和主体螺丝头两者中的其中一个，并与另一个螺接，膨胀管套装在螺柱上，主体螺丝头部分伸入膨胀管内，当旋紧主体螺丝头和锥台形顶推部时，锥台形顶推部顶推膨胀管下端内壁，使膨胀管下端逐渐向外胀开。本发明可方便地通过机械工具旋紧主体螺丝头和锥台形顶推部，易给膨胀管施加压力使其膨胀，在应用端密度高或标号高时，也可打开膨胀，而且安装简便，省时省力及安全稳固；通过具有凹凸相间的顶推面的锥台形顶推部，不但可容纳应用端钻孔时产生的残留物，还可增加接触摩擦力，起到更好的紧固作用。

Description

拉爆式天花、挂件螺丝及其使用方法
技术领域
本发明属于紧固件螺丝技术领域，尤其涉及拉爆式天花、挂件螺丝及其使用方法。
背景技术
目前常见的螺丝主要有两类：多头螺丝和顶爆螺丝。这两种螺丝均具有紧固功能，因此广泛应用于吊杆天花工程、吊空调工程、挂件工程等等。以图1和图2所示的顶爆螺丝为例，该顶爆螺丝包括顶爆螺套10、安装在顶爆螺套10内的顶爆头20和用于固定顶爆头20的胶片30，在应用该顶爆螺丝时，需要在应用端如天花板上先打孔，将顶爆螺丝塞入孔中，然后通过铁棒将顶爆头20敲入顶爆螺套10内，以使顶爆螺套10打开膨胀，最后再通过螺杆50和螺帽40将被安装物件60固定。该顶爆螺丝存在以下缺陷：
一、安装繁琐、难度大。
二、当应用终端密度高或标号高时，如楼板、石材，很难或根本无法通过螺杆将顶爆头20敲击顶爆螺套10施加压力，导致很难或无法使顶爆螺套10打开膨胀。
综上所述，现有技术中普通的螺丝如顶爆螺丝，不但安装繁琐，而且在应用终端密度高或或标号高时，很难或无法打开膨胀。
发明内容
（一）要解决的技术问题
本发明要解决的技术问题是：提供一种拉爆式天花、挂件螺丝，旨在解决现有技术中普通的螺丝如顶爆螺丝，不但安装繁琐，而且在应用终端密度高或或标号高时，很难或无法打开膨胀的问题。
（二）技术方案
为解决上述问题，本发明提供了一种拉爆式天花、挂件螺丝，包括：螺柱、膨胀管及主体螺丝头，所述拉爆式天花、挂件螺丝还包括锥台形顶推部，所述锥台形顶推部具有凹凸相间的顶推面，所述螺柱设置于所述锥台形顶推部和主体螺丝头两者中的其中一个，并用于与其中剩余的另一个螺接，所述膨胀管用于套装在所述螺柱上，所述主体螺丝头部分伸入所述膨胀管内，当旋紧所述主体螺丝头和锥台形顶推部时，所述锥台形顶推部顶推所述膨胀管下端内壁，使所述膨胀管下端逐渐向外胀开。
本发明还提供了一种拉爆式天花、挂件螺丝的使用方法，包括以下步骤：
在应用端上钻孔；
将拉爆式天花、挂件螺丝塞入孔中；
旋紧主体螺丝头，锥台形顶推部给膨胀管施加压力，使膨胀管下端逐渐向外胀开。
（三）有益效果
本发明与现有技术相比，有益效果在于：通过机械工具旋紧主体螺丝头，锥台形顶推部易给膨胀管施加压力使其膨胀，在应用端密度高或或标号高时，也可打开膨胀，而且安装简便，省时省力及安全稳固；通过具有凹凸相间的顶推面的锥台形顶推部，不但可容纳应用端钻孔时产生的残留物，还可增加接触摩擦力，不但能增加与应用端的摩擦力，还可增加与膨胀管的摩擦力，能防止膨胀管与锥台形顶推部同时转动，可起到更好的紧固作用。另外，膨胀管末端设置有与锥台形顶推部的凹凸相间的顶推面匹配的凹凸槽，同样能够更加有效的防止膨胀管与锥台形顶推部同时转动，起到更好的紧固作用。
附图说明
图1是现有技术中顶爆螺丝的爆炸结构示意图；
图2是现有技术中顶爆螺丝的应用场景示例图；
图3是本发明实施例提供的拉爆式天花、挂件螺丝的爆炸结构示意图；
图4是本发明实施例提供的拉爆式天花、挂件螺丝的立体结构示意图；
图5是本发明实施例提供的拉爆式天花、挂件螺丝的应用场景示例图；
图6是本发明实施例提供的拉爆式天花、挂件螺丝的另一应用场景示例图；
图7是本发明另一实施例提供的拉爆式天花、挂件螺丝的爆炸结构示意图；
图8是本发明实施例提供的拉爆式天花、挂件螺丝的使用方法的流程图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明实施例中，通过机械工具旋紧主体螺丝头，锥台形顶推部易给膨胀管施加压力使其膨胀，在应用端密度高或或标号高时，也可打开膨胀，而且安装简便，省时省力及安全稳固；通过具有凹凸相间的顶推面的锥台形顶推部，不但可容纳应用端钻孔时产生的残留物，还可增加接触摩擦力，不但能增加与应用端的摩擦力，还可增加与膨胀管的摩擦力，能防止膨胀管与锥台形顶推部同时转动，可起到更好的紧固作用。另外，膨胀管末端设置有与锥台形顶推部的凹凸相间的顶推面匹配的凹凸槽，同样能够更加有效的防止膨胀管与锥台形顶推部同时转动，起到更好的紧固作用。本发明提供的实施方案如下：
拉爆式天花、挂件螺丝，包括：
螺柱、膨胀管及主体螺丝头，所述拉爆式天花、挂件螺丝还包括锥台形顶推部，所述锥台形顶推部具有凹凸相间的顶推面，所述螺柱设置于所述锥台形顶推部和主体螺丝头两者中的其中一个，并用于与其中剩余的另一个螺接，所述膨胀管用于套装在所述螺柱上，所述主体螺丝头部分伸入所述膨胀管内，当旋紧所述主体螺丝头和锥台形顶推部时，所述锥台形顶推部顶推所述膨胀管下端内壁，使所述膨胀管下端逐渐向外胀开。
拉爆式天花、挂件螺丝的使用方法，包括以下步骤：
在应用端上钻孔；
将拉爆式天花、挂件螺丝塞入孔中；
旋紧主体螺丝头，锥台形顶推部给膨胀管施加压力使膨胀管下端逐渐向外胀开。
以下结合具体实施例对本发明的实现进行详细描述：
请参阅图3至图6，本发明实施例提供了一种拉爆式天花、挂件螺丝，包括：
螺柱12、膨胀管2及主体螺丝头3，所述拉爆式天花、挂件螺丝还包括锥台形顶推部1，所述锥台形顶推部1具有凹凸相间的顶推面，所述螺柱12设置于所述锥台形顶推部1和主体螺丝头3两者中的其中一个，并用于与其中剩余的另一个螺接，所述膨胀管2用于套装在所述螺柱12上，所述主体螺丝头3部分伸入所述膨胀管2内，当旋紧所述主体螺丝头3和锥台形顶推部1时，所述锥台形顶推部1顶推所述膨胀管2下端内壁，使所述膨胀管2下端逐渐向外胀开。
本发明实施例的拉爆式天花、挂件螺丝，可方便地通过机械工具旋紧所述主体螺丝头3和锥台形顶推部1，通过锥台形顶推部1顶推膨胀管2下端内壁，使膨胀管2下端逐渐向外胀开，易使膨胀管2打开膨胀，在应用端密度高或或标号高时，也可打开膨胀。在应用时，可先在应用端打孔，将拉爆式天花、挂件螺丝塞入孔中，然后旋紧主体螺丝头3和锥台形顶推部1，当主体螺丝头3旋转到一定程度时，膨胀管在主体螺丝头3和锥台形顶推部1的挤压下便会打开膨胀，从而可与应用端很好的紧固在一起。本发明实施例的拉爆式天花、挂件螺丝，用拧紧主体螺丝头3和锥台形顶推部1的方式来替代传统的通过铁棒将顶爆头敲击，令顶爆螺套膨开的方式，相比之下更容易实现打开膨胀，而且安装简便、省时省力、安全稳固。
另外，通过具有凹凸相间的顶推面的锥台形顶推部1，在将锥台形顶推部1塞入应用端所钻的孔时，其凹凸相间的顶推面不但可以容纳应用端在钻孔时所产生的残留物，还可增加与应用端的摩擦力，可使锥台形顶推部1更好的固定在应用端上；另外在旋紧主体螺丝头3和锥台形顶推部1时，通过凹凸相间的顶推面还可增加锥台形顶推部1与膨胀管2接触时的摩擦力，能防止膨胀管2与锥台形顶推部1同时转动，从而更好的紧固锥台形顶推部1和膨胀管2。
为了更好的增加锥台形顶推部1与膨胀管2接触时的摩擦力，在本发明的一个实施例中，所述膨胀管2末端表面还设置有与锥台形顶推部1的凹凸相间的顶推面匹配的凹凸槽，从而能够更加有效的防止膨胀管2与锥台形顶推部1同时转动。
在本发明实施例中，所述锥台形顶推部1的下端直径小于膨胀管2的直径，上端直径大于膨胀管2的直径。从而可在旋紧体螺丝头3和锥台形顶推部1时，起到膨胀的作用。
如图3所示，在本发明的一个实施例中，所述螺柱12和锥台形顶推部1一体成型，所述螺柱12上设置有外螺纹，所述主体螺丝头3内部设置有与所述外螺纹匹配的内螺纹。
如图7所示，在本发明的一个实施例中，所述螺柱12和主体螺丝头3一体成型，所述螺柱12上设置有外螺纹，所述锥台形顶推部1内部设置有与所述外螺纹匹配的内螺纹。
在本发明实施例中，所述主体螺丝头3上端的直径小于所述膨胀管2的直径。
在本发明实施例中，所述锥台形顶推部1的周面设置有凹凸相间的轴向V型齿和V型槽。
在本发明实施例中，通过设置的轴向V型齿和V型槽，一是可以容纳应用端在钻孔时所产生的残留物；二是可增加与应用端如墙壁的摩擦力，使锥台形顶推部1更好的固定在应用端上；三是在旋紧主体螺丝头3和锥台形顶推部1时，通过轴向V型齿和V型槽还可增加锥台形顶推部1与膨胀管2接触时的摩擦力，能防止膨胀管2与锥台形顶推部1同时转动，从而更好的紧固锥台形顶推部1和膨胀管2。
在本发明实施例中，所述拉爆式天花、挂件螺丝还包括：
螺杆5和与螺杆5匹配的螺帽4；所述螺帽4通过螺杆5与主体螺丝头3螺纹连接。通过螺杆5和螺帽4，可固定被安装物件6天花、挂件；当然也可以用于固定空调等，在此并不用于限制本发明。
在本发明实施例中，所述拉爆式天花、挂件螺丝还包括：
挂件7；所述挂件7上设置有用于与主体螺丝头3螺纹连接的外螺纹71；在本发明实施例中，所述挂件7具体为顶端设置有外螺纹的挂钩。
请参阅图8，本发明实施例还提供了如上述的拉爆式天花、挂件螺丝的使用方法，包括以下步骤：
S801：在应用端上钻孔；
S802：将拉爆式天花、挂件螺丝塞入孔中；
S803: 旋紧主体螺丝头3，锥台形顶推部1给膨胀管施加压力，使膨胀管2下端逐渐向外胀开。
在本发明实施例中，旋开主体螺丝头3和锥台形顶推部1，就可以拆下主体螺丝头3，可重复二次使用；主体螺丝拆除后，应用端上表面平整、无凸起。
本发明实施例的拉爆式天花、挂件螺丝的使用方法，拆装简便、省时省力及安全稳固。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、若干变形、等同替换和改进等，如主体螺丝头3具有可接驳内牙，其螺帽除了采用常见的六角形外，还可作若干变形，如四方形、球形、圆形等、其尺寸长短、大小或这类似外六角头型露出部份有内牙接驳功能等替换方式，均应包含在本发明的保护范围之内。
工业实用性
本发明可方便地通过机械工具旋紧主体螺丝头和锥台形顶推部，易给膨胀管施加压力使其膨胀，在应用端密度高或标号高时，也可打开膨胀，而且安装简便，省时省力及安全稳固；通过具有凹凸相间的顶推面的锥台形顶推部，不但可容纳应用端钻孔时产生的残留物，还可增加接触摩擦力，起到更好的紧固作用。

Claims (1)

  1. 权 利 要 求 书
    1．拉爆式天花、挂件螺丝，包括：螺柱（12）、膨胀管（2）及主体螺丝头（3），其特征在于，所述拉爆式天花、挂件螺丝还包括锥台形顶推部（1），所述锥台形顶推部（1）具有凹凸相间的顶推面，所述螺柱（12）设置于所述锥台形顶推部（1）和主体螺丝头（3）两者中的其中一个，并用于与其中剩余的另一个螺接，所述膨胀管（2）用于套装在所述螺柱（12）上，所述主体螺丝头（3）部分伸入所述膨胀管（2）内，当旋紧所述主体螺丝头（3）和锥台形顶推部（1）时，所述锥台形顶推部（1）顶推所述膨胀管（2）下端内壁，使所述膨胀管（2）下端逐渐向外胀开。
    2．如权利要求1所述的拉爆式天花、挂件螺丝，其特征在于，所述锥台形顶推部（1）的周面设置有凹凸相间的轴向V型齿和V型槽。
    3．如权利要求2所述的拉爆式天花、挂件螺丝，其特征在于，所述主体螺丝头（3）上端的直径小于所述膨胀管（2）的直径。
    4．如权利要求3所述的拉爆式天花、挂件螺丝，其特征在于，所述螺柱（12）和锥台形顶推部（1）一体成型，所述螺柱（12）上设置有外螺纹，所述主体螺丝头（3）内部设置有与所述外螺纹匹配的内螺纹。
    5、如权利要求3所述的拉爆式天花、挂件螺丝，其特征在于，所述螺柱（12）和主体螺丝头（3）一体成型，所述螺柱（12）上设置有外螺纹，所述锥台形顶推部（1）内部设置有与所述外螺纹匹配的内螺纹。
    6．如权利要求1所述的拉爆式天花、挂件螺丝，其特征在于，所述锥台形顶推部（1）的下端直径小于膨胀管（2）的直径，上端直径大于膨胀管（2）的直径；所述主体螺丝头（3）具有可接驳内牙，其螺帽为六角形、四方形、球形或者圆形。
    7．如权利要求1所述的拉爆式天花、挂件螺丝，其特征在于，所述拉爆式天花、挂件螺丝还包括：
    螺杆（5）和与螺杆（5）匹配的螺帽（4）；
    所述螺帽（4）通过螺杆（5）与主体螺丝头（3）螺纹连接。
    8．如权利要求1所述的拉爆式天花、挂件螺丝，其特征在于，所述拉爆式天花、挂件螺丝还包括：
    挂件（7）；
    所述挂件（7）上设置有用于与主体螺丝头（3）螺纹连接的外螺纹（71）。
    9．如权利要求1至8中任一项所述的拉爆式天花、挂件螺丝，其特征在于，所述膨胀管（2）内表面设置有与所述凹凸相间的顶推面匹配的凹凸槽。
    10．如权利要求1至8中任一项所述的拉爆式天花、挂件螺丝的使用方法，其特征在于，包括以下步骤：
    在应用端上钻孔；
    将拉爆式天花、挂件螺丝塞入孔中；
    旋紧主体螺丝头（3）和锥台形顶推部（1），使膨胀管（2）下端逐渐向外胀开。
PCT/CN2012/075148 2011-05-25 2012-05-07 拉爆式天花、挂件螺丝及其使用方法 WO2012159528A1 (zh)

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