WO2012109803A1 - Screw connecting structure for silicon carbide-aluminum composite at high volume fraction - Google Patents
Screw connecting structure for silicon carbide-aluminum composite at high volume fraction Download PDFInfo
- Publication number
- WO2012109803A1 WO2012109803A1 PCT/CN2011/071199 CN2011071199W WO2012109803A1 WO 2012109803 A1 WO2012109803 A1 WO 2012109803A1 CN 2011071199 W CN2011071199 W CN 2011071199W WO 2012109803 A1 WO2012109803 A1 WO 2012109803A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- thread
- spring
- silicon carbide
- screw hole
- aluminum composite
- Prior art date
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 22
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 22
- 239000010703 silicon Substances 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 14
- 239000007769 metal material Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000005219 brazing Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000009715 pressure infiltration Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/12—Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
- F16B37/122—Threaded inserts, e.g. "rampa bolts"
Definitions
- the present invention relates to a high-strength silicon carbide-aluminum composite joint structure, in particular, a threaded joint structure of a high-strength silicon carbide-aluminum composite.
- High-strength silicon carbide-aluminum composite materials are a kind of ceramic micro-powder and metal materials that are immersed in atmospheric pressure.
- such materials are mainly based on optical components, electronic package housings, and backplanes, and have begun to be applied to optical systems and electronic device package bases.
- the addition of ceramic micropowder increases the brittleness of such materials, especially for composites with a ceramic content exceeding 50% by volume, and the elasticity and plasticity drop sharply.
- the thread of the metal material Due to the threaded connection, the thread of the metal material is elastically plastically deformed by the preload, so that the load is evenly distributed on the 9-button tooth to achieve a reliable connection.
- the internal thread can be machined using this type of material, the thread has poor loadability and cannot be directly connected by using a thread. Therefore, the currently known method of screwing a high-partition silicon carbide-aluminum composite part is to use a brazing material to join the metal post and then machine the thread on the metal post. In this process, the composite part and the metal column are separately heated and coated with the brazing material, and then heated integrally, and the part and the metal column are connected together by ultrasonic waves. Finally, there are two conventional processes, namely metal column drilling and threading.
- the present invention aims to provide a convenient, high-efficiency and low-cost connection structure for a high-partition silicon carbide-aluminum composite material.
- the utility model is used for a high-part silicon carbide-aluminum composite threaded connection structure, comprising: a high-partition silicon carbide-aluminum composite material component, which is disposed on the high-component silicon carbide-aluminum composite material part There is at least one screw hole, the inner circumferential surface of the screw hole is provided with a thread; a cylindrical spiral spring-shaped transition nut sleeve, the spring-like transition screw sleeve is screwed into the screw hole and threadedly engaged with the thread in the screw hole.
- a connector is also included, the end of the connector is provided with a thread, and the connector is screwed into the spring-like transition nut by the thread and is threadedly engaged with the spring-like transition nut;
- the connecting member is screwed into the spring-like transition nut sleeve, at least one of the outer surfaces of the spring-like transition nut sleeve closely fits the thread in the screw hole, and the thread of the connecting member and the spring-like transition nut sleeve The inner surface fits snugly.
- the cylindrical spiral spring-shaped transition nut is a non-metallic material.
- the cylindrical spiral spring-like transition nut is made of a metal material.
- the depth of the tapped hole is not less than twice the diameter of the thread.
- FIG. 1 is an assembled schematic view of a first embodiment of the present invention.
- 2 is a cross-sectional view of the assembled FIG. 1 .
- Figure 3 is a schematic view of the assembly of the second embodiment of the present invention.
- 4 is a cross-sectional view of the assembled FIG. 3 .
- Figure 5 is a schematic view showing the structure of a third embodiment of the present invention.
- the utility model is used for a high-part silicon carbide-aluminum composite threaded connection structure, comprising: a high-part silicon carbide-aluminum composite material part 1 in the high-partition silicon carbide-aluminum composite material part Having at least one screw hole 2, the inner circumferential surface of the screw hole is provided with a thread; a cylindrical spiral spring-shaped transition nut sleeve 3, the spring-like transition screw sleeve is screwed into the screw hole and the thread in the screw hole is Threaded fit.
- the threaded sleeve can be made of wire, such as ordinary steel, stainless steel, copper, etc., or non-metallic materials such as nylon.
- the diameter of these filamentous materials can be selected according to the needs and the size of the screw holes, and the cross section of these filamentary materials can be circular, prismatic or hexagonal, and the like. In particular, prismatic or hexagonal, see Fig. 5, the screw sleeve made of this cross-section material can be better matched with the existing universal thread.
- the processing method is as follows: First, the screw hole is firstly drilled on the high-strength silicon carbide-aluminum composite material by using a cemented carbide drill bit, an electroplated diamond drill bit, a sintered diamond drill bit or a spark discharge machining. Yes. Secondly, the internal thread is machined by the inner circumferential surface of the special tap screw hole, which can be manually operated or machined.
- a connecting member 4 is also included, the end of the connecting member 4 is provided with a thread, and the connecting member is screwed into the spring-like transition screw sleeve by the thread and is spring-like transition
- the threaded sleeve is a threaded fit; wherein, when the connecting member is screwed into the spring-like transition nut, at least a portion of the outer surface of the spring-like transition nut sleeve is closely fitted with the thread in the screw hole, and the thread of the connecting member is The inner surface of the spring-like transition nut is closely fitted.
- the depth of the screw hole is not less than twice the diameter of the thread.
Abstract
A screw connecting structure for silicon carbide-aluminum composite at high volume fraction is provided, which comprises: a silicon carbide-aluminum composite at high volume fraction (1) and a cylindrical-spiral-spring-shaped transitional threaded sleeve (3). At least one screw hole (2) provided with threads on its inner circumferential surface is set on the workpiece of said composite. The transitional threaded sleeve is screwed in the screw hole and is in screw-thread fit with the threads in the screw hole. By using this structure, when the end of a connecting piece (4) is screwed in, under the pulling force of a bolt, the screw teeth of the threaded sleeve will have a certain elastic deformation, thereby uniformly bearing the said pulling force. Meanwhile, the load of the pulling force is uniformly transferred onto the composite by the threaded sleeve, thereby achieving the purpose of firm connection.
Description
高体分碳化硅铝复合材料的螺纹连接结构 Threaded connection structure of high-strength silicon carbide-aluminum composite
所属技术领域 本实用新型涉及一种高体分碳化硅铝复合材料连接结构，尤其是高体 分碳化硅铝复合材料的螺纹连接结构。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-strength silicon carbide-aluminum composite joint structure, in particular, a threaded joint structure of a high-strength silicon carbide-aluminum composite.
说 Say
背景技术 高体分碳化硅铝复合材料是一种将陶瓷微粉和金属材料通过常压浸 书 BACKGROUND OF THE INVENTION High-strength silicon carbide-aluminum composite materials are a kind of ceramic micro-powder and metal materials that are immersed in atmospheric pressure.
渗或者压力浸渗方法结合为一体的高刚度高强度低密度材料，其中碳化硅 陶瓷的体积比例超过 40%,兼具陶瓷材料的稳定性和金属材料的塑性与导 热特性。 目前该类材料以光机结构件和电子封装壳体、底板为主， 已经开 始在光学系统和电子器件封装底座上应用。但是陶瓷微粉的加入，使该类 材料脆性增加， 特别是陶瓷含量超过体积比例 50%的复合材料， 弹性和塑 性急剧下降。 由于螺纹连接方式中，金属材料的螺纹通过预加载荷使螺纹牙形产生 弹塑性变形， 从而使载荷均布在 9扣左右纹牙， 以达到可靠连接的目的。 使用该类材料虽然也可以加工出内螺纹，但螺纹均载性差，不能使用螺纹 直接连接。 因此，目前公知的高体分碳化硅铝复合材料零件的螺纹连接方法是使 用钎料悍接金属柱，然后在金属柱上加工出螺纹。这种工艺需要先将复合 材料零件和金属柱分别加热涂敷钎料，再整体加热，在超声波作用下将零 件和金属柱悍接为一体。最后还有两道常规工艺，即金属柱钻底孔和螺纹 加工。 整个过程时间长， 设备要求复杂， 成本高， 某些部位还难以悍接， 限制了高体分碳化硅铝复合材料的工程应用。 实用新型内容
为了克服上述缺陷，本实用新型目的在于提供一种用于高体分碳化硅 铝复合材料的方便、 高效率和低成本的连接结构。 为达到上述目的，本实用新型用于高体分碳化硅铝复合材料螺纹连接 结构， 包括： 一高体分碳化硅铝复合材料件， 在所述的高体分碳化硅铝复 合材料件上设有至少一个螺孔，螺孔内圆周表面设有螺纹；一圆柱螺旋弹 簧状过渡螺套，所述的弹簧状过渡螺套旋置于螺孔内且与螺孔内的螺纹为 螺纹配合。 特别是， 还包括一连接件， 所述的连接件的端部设有螺纹， 所述的连 接件通过该螺纹旋置于弹簧状过渡螺套内且与弹簧状过渡螺套为螺纹配 合； 其中， 当连接件旋置于弹簧状过渡螺套内时， 至少有一段弹簧状过渡 螺套的外表面与螺孔内的螺纹紧密贴合，同时该连接件的螺纹与该段弹簧 状过渡螺套的内表面紧密贴合。 特别是， 所述的圆柱螺旋弹簧状过渡螺套为非金属材料。 特别是， 所述的圆柱螺旋弹簧状过渡螺套为金属材料。 特别是， 螺孔深度不小于螺纹大径的 2倍。 采用上述结构， 当连接件端部螺纹旋入时， 在螺栓拉力作用下， 螺套 纹牙会产生一定的弹性变形， 均匀承载受到的拉力。 同时， 螺套将拉力载 荷均匀传递到高体分碳化硅铝复合材料上，从而达到可靠连接的目的。克 服了现有的高体分碳化硅铝复合材料零件的螺纹连接方法中操作时间长 和工艺复杂的不足， 且操作过程简单、 高效， 并且降低了成本。 附图说明 图 1是本实用新型第一实施例的组装示意图。 图 2为图 1组装后的剖视示意图。 图 3为本实用新型第二实施例的组装示意图。
图 4为图 3组装后的剖视示意图。 图 5为本实用新型第三实施例的结构示意图。 具体实施方式 下面结合附图和实施例对本实用新型进一歩说明。 如图 1 所示， 本实用新型用于高体分碳化硅铝复合材料螺纹连接结 构， 包括： 一高体分碳化硅铝复合材料件 1， 在所述的高体分碳化硅铝复 合材料件上设有至少一个螺孔 2， 螺孔内圆周表面设有螺纹； 一圆柱螺旋 弹簧状过渡螺套 3，所述的弹簧状过渡螺套旋置于螺孔内且与螺孔内的螺 纹为螺纹配合。这种螺套可以是金属丝制造的， 如普通钢材、 不锈钢、铜 等， 也可以是非金属材料的， 如尼龙等。这些丝状材料的直径可根据需要 以及螺孔的大小来选择，这些丝状材料的截面可以圆形，也可以是棱形或 六边形等。 特别是棱形或六边形， 参见图 5， 采用这种截面材料制作的螺 套， 能与现有通用螺纹进行较好的配合。 其加工方法如下： 第一歩， 先在高体分碳化硅铝复合材料上采用机械加工的方式钻出 螺孔， 可采用硬质合金钻头、 电镀金刚石钻头、 烧结金刚石钻头加工或 者电火花放电加工均可。 第二歩， 利用特制的丝锥螺孔内圆周表面加工出内螺纹， 可以手动 操作， 也可以采用机床加工。 第三歩， 利用套筒工具将弹簧状过渡螺套旋入螺孔。 第四歩， 修整弹簧状过渡螺套， 检测螺纹的精度后即可使用。 为了与其它零部件进行连接， 还包括一连接件 4， 所述的连接件 4的 端部设有螺纹，所述的连接件通过该螺纹旋置于弹簧状过渡螺套内且与弹 簧状过渡螺套为螺纹配合； 其中， 当连接件旋置于弹簧状过渡螺套内时， 至少有一段弹簧状过渡螺套的外表面与螺孔内的螺纹紧密贴合，同时该连 接件的螺纹与该段弹簧状过渡螺套的内表面紧密贴合。
其中， 为了可靠连接， 所述螺孔的深度不小于螺纹大径的 2倍。 以上所述，仅是本实用新型的较佳实施例而已，并非是对本实用新型 作其它形式的限制，任何熟悉本专业的技术人员可能利用上述揭示的技术 内容加以变更或改型为等同变化的等效实施例。但是凡是未脱离本实用新 型技术方案内容，依据本实用新型的技术实质对以上实例所作的任何简单 修改、 等同变化与改型， 仍属于本实用新型技术方案的保护范围。
The high-strength, high-strength, low-density material combined with the infiltration or pressure infiltration method, wherein the volume ratio of the silicon carbide ceramic exceeds 40%, both the stability of the ceramic material and the plasticity and thermal conductivity of the metal material. At present, such materials are mainly based on optical components, electronic package housings, and backplanes, and have begun to be applied to optical systems and electronic device package bases. However, the addition of ceramic micropowder increases the brittleness of such materials, especially for composites with a ceramic content exceeding 50% by volume, and the elasticity and plasticity drop sharply. Due to the threaded connection, the thread of the metal material is elastically plastically deformed by the preload, so that the load is evenly distributed on the 9-button tooth to achieve a reliable connection. Although the internal thread can be machined using this type of material, the thread has poor loadability and cannot be directly connected by using a thread. Therefore, the currently known method of screwing a high-partition silicon carbide-aluminum composite part is to use a brazing material to join the metal post and then machine the thread on the metal post. In this process, the composite part and the metal column are separately heated and coated with the brazing material, and then heated integrally, and the part and the metal column are connected together by ultrasonic waves. Finally, there are two conventional processes, namely metal column drilling and threading. The whole process takes a long time, the equipment requirements are complicated, the cost is high, and some parts are difficult to connect, which limits the engineering application of the high-partition silicon carbide-aluminum composite material. Utility model content In order to overcome the above drawbacks, the present invention aims to provide a convenient, high-efficiency and low-cost connection structure for a high-partition silicon carbide-aluminum composite material. In order to achieve the above object, the utility model is used for a high-part silicon carbide-aluminum composite threaded connection structure, comprising: a high-partition silicon carbide-aluminum composite material component, which is disposed on the high-component silicon carbide-aluminum composite material part There is at least one screw hole, the inner circumferential surface of the screw hole is provided with a thread; a cylindrical spiral spring-shaped transition nut sleeve, the spring-like transition screw sleeve is screwed into the screw hole and threadedly engaged with the thread in the screw hole. In particular, a connector is also included, the end of the connector is provided with a thread, and the connector is screwed into the spring-like transition nut by the thread and is threadedly engaged with the spring-like transition nut; When the connecting member is screwed into the spring-like transition nut sleeve, at least one of the outer surfaces of the spring-like transition nut sleeve closely fits the thread in the screw hole, and the thread of the connecting member and the spring-like transition nut sleeve The inner surface fits snugly. In particular, the cylindrical spiral spring-shaped transition nut is a non-metallic material. In particular, the cylindrical spiral spring-like transition nut is made of a metal material. In particular, the depth of the tapped hole is not less than twice the diameter of the thread. According to the above structure, when the end of the connecting member is screwed in, the threaded teeth of the threaded sleeve are elastically deformed under the tension of the bolt, and the tensile force is uniformly transmitted. At the same time, the screw sleeve transmits the tensile load evenly to the high-strength silicon carbide-aluminum composite material, thereby achieving the purpose of reliable connection. The utility model overcomes the short operation time and complicated process in the thread connection method of the existing high-strength silicon carbide-aluminum composite parts, and the operation process is simple and efficient, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an assembled schematic view of a first embodiment of the present invention. 2 is a cross-sectional view of the assembled FIG. 1 . Figure 3 is a schematic view of the assembly of the second embodiment of the present invention. 4 is a cross-sectional view of the assembled FIG. 3 . Figure 5 is a schematic view showing the structure of a third embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be further described with reference to the accompanying drawings and embodiments. As shown in FIG. 1 , the utility model is used for a high-part silicon carbide-aluminum composite threaded connection structure, comprising: a high-part silicon carbide-aluminum composite material part 1 in the high-partition silicon carbide-aluminum composite material part Having at least one screw hole 2, the inner circumferential surface of the screw hole is provided with a thread; a cylindrical spiral spring-shaped transition nut sleeve 3, the spring-like transition screw sleeve is screwed into the screw hole and the thread in the screw hole is Threaded fit. The threaded sleeve can be made of wire, such as ordinary steel, stainless steel, copper, etc., or non-metallic materials such as nylon. The diameter of these filamentous materials can be selected according to the needs and the size of the screw holes, and the cross section of these filamentary materials can be circular, prismatic or hexagonal, and the like. In particular, prismatic or hexagonal, see Fig. 5, the screw sleeve made of this cross-section material can be better matched with the existing universal thread. The processing method is as follows: First, the screw hole is firstly drilled on the high-strength silicon carbide-aluminum composite material by using a cemented carbide drill bit, an electroplated diamond drill bit, a sintered diamond drill bit or a spark discharge machining. Yes. Secondly, the internal thread is machined by the inner circumferential surface of the special tap screw hole, which can be manually operated or machined. Third, use a sleeve tool to screw the spring-like transition nut into the screw hole. Fourth, trim the spring-like transition nut and check the accuracy of the thread before use. In order to connect with other components, a connecting member 4 is also included, the end of the connecting member 4 is provided with a thread, and the connecting member is screwed into the spring-like transition screw sleeve by the thread and is spring-like transition The threaded sleeve is a threaded fit; wherein, when the connecting member is screwed into the spring-like transition nut, at least a portion of the outer surface of the spring-like transition nut sleeve is closely fitted with the thread in the screw hole, and the thread of the connecting member is The inner surface of the spring-like transition nut is closely fitted. Wherein, for reliable connection, the depth of the screw hole is not less than twice the diameter of the thread. The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art may use the above-disclosed technical contents to change or modify the equivalent changes. Equivalent embodiment. However, any simple modifications, equivalent changes and modifications made to the above examples in accordance with the technical spirit of the present invention are still within the scope of protection of the technical solutions of the present invention.
Claims
1. 一种用于高体分碳化硅铝复合材料螺纹连接结构， 其特征在 于， 包括： 1. A threaded connection structure for a high-partition silicon carbide-aluminum composite material, characterized by comprising:
一高体分碳化硅铝复合材料件，在所述的高体分碳化硅铝复合材 料件上设有至少一个螺孔， 螺孔内圆周表面设有螺纹； a high-partition silicon carbide-aluminum composite member having at least one screw hole in the high-partition silicon carbide-aluminum composite material member, wherein the inner circumferential surface of the screw hole is provided with a thread;
一圆柱螺旋弹簧状过渡螺套，所述的弹簧状过渡螺套旋置于螺孔 内且与螺孔内的螺纹为螺纹配合。 A cylindrical helical spring-like transition nut, the spring-like transition nut is screwed into the screw hole and threadedly engaged with the thread in the screw hole.
2. 如权利要求 1所述的材料螺纹连接结构， 其特征在于， 还包 括一连接件， 所述的连接件的端部设有螺纹， 所述的连接件通过该螺 纹旋置于弹簧状过渡螺套内且与弹簧状过渡螺套为螺纹配合； 其中， 当连接件旋置于弹簧状过渡螺套内时，至少有一段弹簧状过渡螺套的 外表面与螺孔内的螺纹紧密贴合，同时该连接件的螺纹与该段弹簧状 过渡螺套的内表面紧密贴合。 2. The material threaded connection structure according to claim 1, further comprising a connecting member, wherein the end of the connecting member is provided with a thread, and the connecting member is screwed into the spring-like transition by the thread The threaded sleeve is threadedly engaged with the spring-like transition nut sleeve; wherein, when the connecting member is screwed into the spring-like transition nut sleeve, at least one of the outer surfaces of the spring-like transition nut sleeve closely fits the thread in the screw hole At the same time, the thread of the connecting member is in close contact with the inner surface of the spring-like transition nut.
3. 如权利要求 1所述的材料螺纹连接结构， 其特征在于， 所述 的圆柱螺旋弹簧状过渡螺套为非金属材料。 3. The material threaded connection structure of claim 1 wherein said cylindrical helical spring-like transition nut is a non-metallic material.
4. 如权利要求 1所述的材料螺纹连接结构， 其特征在于， 所述 的圆柱螺旋弹簧状过渡螺套为金属材料。 4. The material threaded connection structure of claim 1 wherein said cylindrical helical spring shaped transition nut is a metallic material.
5. 如权利要求 1所述的材料螺纹连接结构， 其特征在于， 螺孔 深度不小于螺纹大径的 2倍。 5. The material threaded connection of claim 1 wherein the threaded bore depth is no less than twice the major diameter of the thread.
6. 如权利要求 1所述的材料螺纹连接结构， 其特征在于， 螺孔 深度不小于螺纹大径的 2倍。 6. The material threaded connection structure of claim 1 wherein the threaded bore depth is no less than twice the major diameter of the thread.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120041532.1 | 2011-02-18 | ||
| CN201120041532 | 2011-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012109803A1 true WO2012109803A1 (en) | 2012-08-23 |
Family
ID=46671932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/071199 WO2012109803A1 (en) | 2011-02-18 | 2011-02-23 | Screw connecting structure for silicon carbide-aluminum composite at high volume fraction |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2012109803A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566550A (en) * | 2019-09-12 | 2019-12-13 | 攀钢集团攀枝花钢钒有限公司 | Screw connection structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2363663A (en) * | 1943-11-12 | 1944-11-28 | Eaton Mfg Co | Thread insert |
| US20030086772A1 (en) * | 2001-11-02 | 2003-05-08 | William Giannakakos | Helically coiled titanium wire fastener inserts |
| EP1707828A1 (en) * | 2005-03-31 | 2006-10-04 | Newfrey LLC | Thread insert with improved removability |
| CN1973139A (en) * | 2004-06-15 | 2007-05-30 | 伯尔霍夫连接技术有限公司 | Screwed connection comprising a threaded insert made of wire and threaded insert made of wire therefor |
| CN1973138A (en) * | 2004-06-15 | 2007-05-30 | 伯尔霍夫连接技术有限公司 | Wire threaded insert made of magnesium or aluminium alloy |
| WO2008091249A1 (en) * | 2007-01-23 | 2008-07-31 | Spiralock Corporation | Preload locking wire insert |
-
2011
- 2011-02-23 WO PCT/CN2011/071199 patent/WO2012109803A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2363663A (en) * | 1943-11-12 | 1944-11-28 | Eaton Mfg Co | Thread insert |
| US20030086772A1 (en) * | 2001-11-02 | 2003-05-08 | William Giannakakos | Helically coiled titanium wire fastener inserts |
| CN1973139A (en) * | 2004-06-15 | 2007-05-30 | 伯尔霍夫连接技术有限公司 | Screwed connection comprising a threaded insert made of wire and threaded insert made of wire therefor |
| CN1973138A (en) * | 2004-06-15 | 2007-05-30 | 伯尔霍夫连接技术有限公司 | Wire threaded insert made of magnesium or aluminium alloy |
| EP1707828A1 (en) * | 2005-03-31 | 2006-10-04 | Newfrey LLC | Thread insert with improved removability |
| WO2008091249A1 (en) * | 2007-01-23 | 2008-07-31 | Spiralock Corporation | Preload locking wire insert |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566550A (en) * | 2019-09-12 | 2019-12-13 | 攀钢集团攀枝花钢钒有限公司 | Screw connection structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102109433B1 (en) | Tool arrangement | |
| DE602007013505D1 (en) | Interference fastener with cladding for composite materials | |
| KR101347169B1 (en) | Self-tapping screw | |
| US20110170968A1 (en) | Locking hole saw collar | |
| US20170108026A1 (en) | Screw | |
| CN104976210A (en) | Double-bolt anti-loose method | |
| US20120009042A1 (en) | Locking screw | |
| TW201239210A (en) | Screwing connection assembly | |
| US10024466B2 (en) | Metal pipe having a connector | |
| WO2012109803A1 (en) | Screw connecting structure for silicon carbide-aluminum composite at high volume fraction | |
| JP2008170004A (en) | Two-piece free running prevailing torque nut | |
| CN211638366U (en) | Clearance-eliminating tensioning mandrel | |
| GB2477550A (en) | Threaded insert | |
| CN107725566A (en) | Check bolt nut structure assembly | |
| CN210830023U (en) | Connecting structure for epoxy resin insulating rod and metal piece | |
| CN111795058B (en) | Anti-loosening nut | |
| CN108857515B (en) | Clamp for arc-surface workpiece | |
| CN209925396U (en) | Bearing surface projection welding bolt | |
| JP6606556B2 (en) | Fastening element, manufacturing method thereof, and fastening method | |
| CN201330782Y (en) | Stud in metric and English system | |
| CN210660949U (en) | High-strength triangular tooth screw for drilling steel plate | |
| CN213839204U (en) | Internal and external thread fastener | |
| CN213744415U (en) | Threaded connection structure and stud thereof | |
| CN212202779U (en) | Novel self tapping bores combination bolt | |
| CN219317378U (en) | Locking fastening screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11859003 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11859003 Country of ref document: EP Kind code of ref document: A1 |