WO2020062567A1 - Connection pile for repairing plastic tenon - Google Patents

Connection pile for repairing plastic tenon Download PDF

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Publication number
WO2020062567A1
WO2020062567A1 PCT/CN2018/119284 CN2018119284W WO2020062567A1 WO 2020062567 A1 WO2020062567 A1 WO 2020062567A1 CN 2018119284 W CN2018119284 W CN 2018119284W WO 2020062567 A1 WO2020062567 A1 WO 2020062567A1
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WIPO (PCT)
Prior art keywords
section
embedded
connecting pile
repair
radial
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PCT/CN2018/119284
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French (fr)
Chinese (zh)
Inventor
陈翠华
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陈翠华
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Publication of WO2020062567A1 publication Critical patent/WO2020062567A1/en

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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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • 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
    • F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
    • F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
    • 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
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object

Definitions

  • the invention relates to the technical field of connection structure repair, in particular to a connection pile for repair of a plastic dowel.
  • the tenon structure is a very common connection structure. Its simple connection method is widely used in various products such as stationery, toys, home appliances, etc.
  • the plastic tenon structure is limited by the strength of the material itself.
  • the existing technology uses 502 for adhesion.
  • the toughness of the plug after adhesion is very low, and it is easy to break again.
  • high-toughness glue such as jelly glue is used for adhesion, but the surface thickness of the plug will be changed after adhesion, making the connection more tight. This makes the user need to polish the jack to adapt to the change of the plug. This method is very troublesome, and the strength of the jelly glue itself has not reached the level where it can be plugged and inserted freely, so the repair effect is still average.
  • the purpose of the present invention is to provide a connecting pile for the repair of plastic dowels.
  • the present invention provides sufficient repair strength by connecting two broken parts by setting an embedded section and a screw joint section of the connecting pile.
  • a connecting pile for repair of a plastic dowel comprising a pre-embedded section, a screw joint section and a transition section, and the pre-embedded section is connected to the transition section
  • One end is in the direction of the other end in the order of a solid rubber part and a tapered screw head
  • the screwed section includes at least one threaded connection section
  • the transition section is provided with a through hole in a radial direction
  • the threaded connection section The diameter of the radial cross section of the solid rubber part is less than or equal to the diameter of the radial cross section of the solidified part.
  • the radial cross section of any one of the conical screw heads is elliptical.
  • the ratio of the major axis to the minor axis of the radial section of the conical screw head is 1.1: 1.
  • the screwing section further includes a tapered head provided at an end of the screw connection portion.
  • the solid rubber part is provided with a solid rubber ring groove.
  • the screw rotation section and the thread rotation direction on the embedded section are opposite to each other.
  • a length ratio of the screwed segment to the embedded segment is 1.2: 1.
  • the embedded section, the screwed section, and the transition section are all made of stainless steel.
  • the present invention has the following beneficial effects:
  • the invention has the advantages of high structural strength of the repaired plug and no secondary fracture.
  • FIG. 1 is a schematic structural diagram of an embodiment of the present invention
  • FIG. 2 is a schematic plan view of a pre-buried section according to an embodiment of the present invention.
  • the embodiment of the present invention is used for repairing a broken tenon.
  • the broken tenon is divided into two parts, which are respectively referred to as a first fracture piece 6 and a second fracture piece 7, as shown in Figs. 1 and 2.
  • a first fracture piece 6 a first fracture piece 6
  • a second fracture piece 7 a second fracture piece 7
  • the transition section 3 used to provide the rotational force component for the embedded section 1
  • the transition section 3 is set between the screw connection section 2 and the embedded section 1.
  • the embedded section 1 is connected to the transition section 3 from one end to the other end in order to match the jelly glue to the embedded section 1 on the first break piece 6.
  • the screw connection section 2 includes at least one screw connection section 2-1;
  • the transition section 3 A through hole 3-1 is provided in the radial direction.
  • the through hole 3-1 has two functions.
  • the first function is to insert the rotating rod 4 to facilitate the rotation of the embedded section 1 to punch the first broken member 6.
  • the two functions are to tightly connect the first and second broken pieces 6 and 7 to form a radial fixing rod for the jelly glue to dry after flowing in to increase the connection between the first and second broken pieces 7 and 7. Degrees; threaded
  • the diameter of the radial cross section of the connecting portion 2-1 is smaller than or equal to the diameter of the radial cross section of the solidified portion 1-1.
  • a solid rubber ring groove 1-1-1 is provided on the solid rubber part 1-1.
  • the arrangement of the solid rubber ring groove 1-1-1 increases the contact area of the jelly glue, thereby further improving the connection firmness.
  • the directions of rotation of the threads on the screwed section 2 and the embedded section 1 are opposite to each other.
  • the length ratio of the screwed segment 2 to the embedded segment 1 is 1.2: 1.
  • the embedded section 1, the screw joint section 2, and the transition section 3 are all made of stainless steel.
  • the radial section of any one of the conical screw heads 1-2 of the embodiment of the present invention is oval, and the drill of the conical screw heads 1-2 is opened on the first break piece 6.
  • the hole must be a circular hole, so that there is a certain gap between the drilled hole and the conical screw head 1-2, which is convenient for the jelly glue to be reinforced.
  • the ratio of the major axis to the minor axis of the radial section of the conical screw head 1-2 is 1.1: 1, and the size ratio is limited. If it is too large, the conical screw head 1-2 cannot easily rotate, if it is too small The gap 5 is too small, and for a non-slip glue such as jelly glue, it cannot fully enter the gap 5.
  • the screw connection section 2 according to the embodiment of the present invention further includes a tapered head 2-2 provided at an end of the threaded connection portion 2-1. Drill holes on the cross section.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)

Abstract

A connection pile for repairing a plastic tenon, comprising an embedded section (1), a screw connection section (2) and a transition section (3), the embedded section (1) being formed, from one end connecting the transition section (3) to the other end, by a fixing adhesive part (1-1) and a tapered screw head part (1-2) in sequence; the screw connection section (2) at least comprises a screw connection part (2-1); the transition section (3) is provided with a through hole (3-1) in the radial direction; and the diameter of a radial section of the screw connection part (2-1) is smaller than or equal to that of the fixing adhesive part (1-1). A bolt repaired by the connection pile has a high structural strength and will not break a second time.

Description

一种塑料插榫的修复用连接桩Connecting pile for repairing plastic mortise 技术领域Technical field
本发明涉及连接结构修复技术领域，具体涉及一种塑料插榫的修复用连接桩。The invention relates to the technical field of connection structure repair, in particular to a connection pile for repair of a plastic dowel.
背景技术Background technique
插榫结构是一种十分常用的连接结构，其简单的连接方式被大量的运用在文具、玩具、家电等各种产品中，其中塑料的插榫结构的强度受到材料本身的强度限制，当塑料构成的插头过长，而与插孔的配合偏紧的时候，用户在拔插的过程中容易导致插头的断裂，断裂后的插头想要修复是十分麻烦的，现有技术采用502进行沾合，但是沾合后的插头的韧性很低，很容易再次断裂，又有现有技术采用果冻胶之类的高韧性胶水进行沾合，但是沾合后会改变插头的表面厚度，使得连接更加紧，这就使得用户必须对插孔进行打磨以适应插头的变化，这种方式十分麻烦，且果冻胶本身强度也没有达到可以随意拔插的程度，所以其修复效果任然一般。The tenon structure is a very common connection structure. Its simple connection method is widely used in various products such as stationery, toys, home appliances, etc. The plastic tenon structure is limited by the strength of the material itself. When plastic The formed plug is too long, and when the fit with the jack is too tight, the user is liable to cause the plug to break during the plugging process. It is very troublesome to repair the broken plug. The existing technology uses 502 for adhesion. However, the toughness of the plug after adhesion is very low, and it is easy to break again. In the prior art, high-toughness glue such as jelly glue is used for adhesion, but the surface thickness of the plug will be changed after adhesion, making the connection more tight. This makes the user need to polish the jack to adapt to the change of the plug. This method is very troublesome, and the strength of the jelly glue itself has not reached the level where it can be plugged and inserted freely, so the repair effect is still average.
发明内容Summary of the Invention
本发明的目的是提供一种塑料插榫的修复用连接桩，本发明通过设置连接桩的预埋段与螺接段来连接两个断件，以此来提供足够的修复强度。The purpose of the present invention is to provide a connecting pile for the repair of plastic dowels. The present invention provides sufficient repair strength by connecting two broken parts by setting an embedded section and a screw joint section of the connecting pile.
本发明的上述技术目的是通过以下技术方案得以实现的：一种塑料插榫的修复用连接桩，包括预埋段、螺接段、过渡段，所述的预埋段由连接所述过渡段一端向另一端方向依次为固胶部、锥状螺头部；所述的螺接段至少包括一螺纹连接部；所述的过渡段沿径向方向开设有通孔；所述的螺纹连接部的径向截面的直径小于等于所述固胶部的径向截面的直径。The above technical objective of the present invention is achieved by the following technical solution: a connecting pile for repair of a plastic dowel, comprising a pre-embedded section, a screw joint section and a transition section, and the pre-embedded section is connected to the transition section One end is in the direction of the other end in the order of a solid rubber part and a tapered screw head; the screwed section includes at least one threaded connection section; the transition section is provided with a through hole in a radial direction; the threaded connection section The diameter of the radial cross section of the solid rubber part is less than or equal to the diameter of the radial cross section of the solidified part.
作为本发明的优选，所述的锥状螺头部任一一处的径向截面为椭圆形。As a preference of the present invention, the radial cross section of any one of the conical screw heads is elliptical.
作为本发明的优选，所述的锥状螺头部的径向截面的长径与短径比为1.1:1。As a preference of the present invention, the ratio of the major axis to the minor axis of the radial section of the conical screw head is 1.1: 1.
作为本发明的优选，所述的螺接段还包括设置在所述螺纹连接部端部的锥头。As a preferred aspect of the present invention, the screwing section further includes a tapered head provided at an end of the screw connection portion.
作为本发明的优选，所述的固胶部上设置有固胶环槽。As a preferred aspect of the present invention, the solid rubber part is provided with a solid rubber ring groove.
作为本发明的优选，所述的螺接段与所述的预埋段上的螺纹旋转方向互为反向。In a preferred embodiment of the present invention, the screw rotation section and the thread rotation direction on the embedded section are opposite to each other.
作为本发明的优选，所述的所述的螺接段与所述的预埋段的长度比为1.2:1。As a preferred aspect of the present invention, a length ratio of the screwed segment to the embedded segment is 1.2: 1.
作为本发明的优选，所述的预埋段、所述的螺接段、所述的过渡段均为不锈钢材质。As a preference of the present invention, the embedded section, the screwed section, and the transition section are all made of stainless steel.
综上所述，本发明具有如下有益效果：In summary, the present invention has the following beneficial effects:
本发明拥有修复后的插头的结构强度高，不会发生二次断裂的优点。The invention has the advantages of high structural strength of the repaired plug and no secondary fracture.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明的实施例的结构示意图；FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
图2是本发明的实施例的预埋段的俯视结构示意图；2 is a schematic plan view of a pre-buried section according to an embodiment of the present invention;
图中：In the picture:
1-预埋段；2-螺接段；3-过渡段；1-1-固胶部；1-2-锥状螺头部；2-1-螺纹连接部；3-1-通孔；4-旋转杆；2-2-锥头；5-间隙；6-第一断件；7-第二断件；1-1-1固胶环槽。1-Embedded section; 2-Screw section; 3-Transition section; 1-1-1 Solid rubber section; 1- 2-conical screw head; 2--Threaded connection section; 3--through hole; 4-rotating rod; 2-2-cone head; 5-clearance; 6-first breaking piece; 7-second breaking piece; 1-1-1 solid rubber ring groove.
具体实施方式detailed description
以下结合附图对本发明作进一步详细说明。The present invention is described in further detail below with reference to the drawings.
本发明实施例用于对断裂的插榫进行修复处理，断裂的插榫分为两部分， 分别记为第一断件6以及第二断件7，如图1、图2，本发明实施例包括埋入第一断件6中的预埋段1、用于埋入第二断件7中的螺接段2、用于为预埋段1提供转动受力部件的过渡段3，过渡段3设置于螺接段2与预埋段1之间，预埋段1由连接过渡段3一端向另一端方向依次为用于配合果冻胶对预埋段1在第一断件6上打的螺孔进行封闭的固胶部1-1、用于连接第一断件6并进行打孔的锥状螺头部1-2；螺接段2至少包括一螺纹连接部2-1；过渡段3沿径向方向开设有通孔3-1，通孔3-1具有两个作用，第一个作用为***旋转杆4以便于转动预埋段1对第一断件6进行打孔，第二个作用为在第一断件6与第二断件7进行密合后用于果冻胶流入后干化形成一个径向的固定杆增加第一断件6与第二断件7的连接牢固度；螺纹连接部2-1的径向截面的直径小于等于固胶部1-1的径向截面的直径。固胶部1-1上设置有固胶环槽1-1-1，固胶环槽1-1-1的设置增大了果冻胶的接触面积，进而进一步提高连接牢固度。螺接段2与预埋段1上的螺纹旋转方向互为反向。螺接段2与预埋段1的长度比为1.2:1。预埋段1、螺接段2、过渡段3均为不锈钢材质。The embodiment of the present invention is used for repairing a broken tenon. The broken tenon is divided into two parts, which are respectively referred to as a first fracture piece 6 and a second fracture piece 7, as shown in Figs. 1 and 2. Including the embedded section 1 embedded in the first broken member 6, the screwed section 2 used for embedded in the second broken member 7, the transition section 3 used to provide the rotational force component for the embedded section 1, the transition section 3 is set between the screw connection section 2 and the embedded section 1. The embedded section 1 is connected to the transition section 3 from one end to the other end in order to match the jelly glue to the embedded section 1 on the first break piece 6. The solid rubber part 1-1 for the screw hole to be closed, and the tapered screw head 1-2 for connecting and breaking the first break piece 6; the screw connection section 2 includes at least one screw connection section 2-1; the transition section 3 A through hole 3-1 is provided in the radial direction. The through hole 3-1 has two functions. The first function is to insert the rotating rod 4 to facilitate the rotation of the embedded section 1 to punch the first broken member 6. The two functions are to tightly connect the first and second broken pieces 6 and 7 to form a radial fixing rod for the jelly glue to dry after flowing in to increase the connection between the first and second broken pieces 7 and 7. Degrees; threaded The diameter of the radial cross section of the connecting portion 2-1 is smaller than or equal to the diameter of the radial cross section of the solidified portion 1-1. A solid rubber ring groove 1-1-1 is provided on the solid rubber part 1-1. The arrangement of the solid rubber ring groove 1-1-1 increases the contact area of the jelly glue, thereby further improving the connection firmness. The directions of rotation of the threads on the screwed section 2 and the embedded section 1 are opposite to each other. The length ratio of the screwed segment 2 to the embedded segment 1 is 1.2: 1. The embedded section 1, the screw joint section 2, and the transition section 3 are all made of stainless steel.
如图1、图2，本发明实施例锥状螺头部1-2任一一处的径向截面为椭圆形，而锥状螺头部1-2在第一断件6上开设的钻孔一定为圆形钻孔，这样钻孔与锥状螺头部1-2之间就会存在一定的空隙，该空隙就方便果冻胶就入进行加固。锥状螺头部1-2的径向截面的长径与短径比为1.1:1，该尺寸比为限定，如果太大则容易导致锥状螺头部1-2转动不能，如果太小则间隙5过小，对于果冻胶之类非溜缝胶而言，无法完全进入间隙5。As shown in FIG. 1 and FIG. 2, the radial section of any one of the conical screw heads 1-2 of the embodiment of the present invention is oval, and the drill of the conical screw heads 1-2 is opened on the first break piece 6. The hole must be a circular hole, so that there is a certain gap between the drilled hole and the conical screw head 1-2, which is convenient for the jelly glue to be reinforced. The ratio of the major axis to the minor axis of the radial section of the conical screw head 1-2 is 1.1: 1, and the size ratio is limited. If it is too large, the conical screw head 1-2 cannot easily rotate, if it is too small The gap 5 is too small, and for a non-slip glue such as jelly glue, it cannot fully enter the gap 5.
如图1、图2，本发明实施例螺接段2还包括设置在螺纹连接部2-1端部的锥头2-2，该锥头2-2的设置方便在第二断件7的断面上进行打孔。As shown in FIG. 1 and FIG. 2, the screw connection section 2 according to the embodiment of the present invention further includes a tapered head 2-2 provided at an end of the threaded connection portion 2-1. Drill holes on the cross section.
本具体实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域 技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。This specific embodiment is only an explanation of the present invention, and it is not a limitation on the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed. Within the scope of the requirements are protected by patent law.

Claims (8)

  1. 一种塑料插榫的修复用连接桩，其特征在于：包括预埋段(1)、螺接段(2)、过渡段(3)，所述的预埋段(1)由连接所述过渡段(3)一端向另一端方向依次为固胶部(1-1)、锥状螺头部(1-2)；所述的螺接段(2)至少包括一螺纹连接部(2-1)；所述的过渡段(3)沿径向方向开设有通孔(3-1)；所述的螺纹连接部(2-1)的径向截面的直径小于等于所述固胶部(1-1)的径向截面的直径。The utility model relates to a connecting pile for repairing a plastic dowel, which is characterized in that it includes an embedded section (1), a screw joint section (2), and a transition section (3). The embedded section (1) is connected to the transition. One end of the segment (3) is in the order of the solid rubber part (1-1) and the tapered screw head (1-2) in the direction of the other end; the screwed segment (2) includes at least one threaded connection part (2-1 ); The transition section (3) is provided with a through hole (3-1) in the radial direction; the diameter of the radial section of the threaded connection portion (2-1) is less than or equal to the solid rubber portion (1) -1) The diameter of the radial section.
  2. 根据权利要求1所述的一种塑料插榫的修复用连接桩，其特征在于：所述的锥状螺头部(1-2)任一一处的径向截面为椭圆形。The connecting pile for repair of a plastic dowel according to claim 1, wherein the radial cross section of any one of the conical screw heads (1-2) is oval.
  3. 根据权利要求2所述的一种塑料插榫的修复用连接桩，其特征在于：所述的锥状螺头部(1-2)的径向截面的长径与短径比为1.1:1。The connecting pile for repair of a plastic dowel according to claim 2, wherein the ratio of the major axis to the minor axis of the radial section of the tapered screw head (1-2) is 1.1: 1 .
  4. 根据权利要求1所述的一种塑料插榫的修复用连接桩，其特征在于：所述的螺接段(2)还包括设置在所述螺纹连接部(2-1)端部的锥头(2-2)。The connecting pile for repair of a plastic dowel according to claim 1, wherein the screwing section (2) further comprises a cone head provided at an end of the threaded connection portion (2-1). (2-2).
  5. 根据权利要求1所述的一种塑料插榫的修复用连接桩，其特征在于：所述的固胶部(1-1)上设置有固胶环槽(1-1-1)。The connecting pile for repairing a plastic dowel according to claim 1, wherein the solid rubber part (1-1) is provided with a solid rubber ring groove (1-1-1).
  6. 根据权利要求1所述的一种塑料插榫的修复用连接桩，其特征在于：所述的螺接段(2)与所述的预埋段(1)上的螺纹旋转方向互为反向。The connecting pile for repair of a plastic dowel according to claim 1, characterized in that the directions of rotation of the threads on the screwed section (2) and the embedded section (1) are opposite to each other .
  7. 根据权利要求1所述的一种塑料插榫的修复用连接桩，其特征在于：所述的所述的螺接段(2)与所述的预埋段(1)的长度比为1.2:1。The connecting pile for repair of a plastic dowel according to claim 1, wherein a length ratio of the screwed section (2) to the embedded section (1) is 1.2: 1.
  8. 根据权利要求1所述的一种塑料插榫的修复用连接桩，其特征在于：所述的预埋段(1)、所述的螺接段(2)、所述的过渡段(3)均为不锈钢材质。The connecting pile for repairing plastic dowels according to claim 1, characterized in that: the embedded section (1), the screwed section (2), and the transition section (3) All are made of stainless steel.
PCT/CN2018/119284 2018-09-28 2018-12-05 Connection pile for repairing plastic tenon WO2020062567A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811136879.7 2018-09-28
CN201811136879.7A CN109026950A (en) 2018-09-28 2018-09-28 A kind of reparation of plastics plug tenon connection stake

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WO2020062567A1 true WO2020062567A1 (en) 2020-04-02

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CN207562352U (en) * 2017-11-20 2018-07-03 北京哈工科教机器人科技有限公司 A kind of tenon, the plug-in module for Jigsaw toy and motor plug-in module
CN207755754U (en) * 2018-01-22 2018-08-24 徐志刚 A kind of Tenon heart heart lock

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