CN102734303A

CN102734303A - Threaded connection combination

Info

Publication number: CN102734303A
Application number: CN2011100804521A
Authority: CN
Inventors: 谢瑞昆; 杨贺程
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-03-31
Filing date: 2011-03-31
Publication date: 2012-10-17

Abstract

A threaded connection combination, comprising a first workpiece, a second workpiece and a threaded connector, the first workpiece is provided with a mounting hole penetrating through the opposite surface of the first workpiece, the second workpiece is provided with a threaded hole, the The threaded hole includes a first connecting portion with a larger diameter and penetrating through a surface of the second workpiece and a second connecting portion with a smaller diameter passing through the first connecting portion, and the threaded connecting member includes a first screw and A second screw, the first screw is provided with a through hole in the axial direction, the first screw passes through the mounting hole of the first workpiece and is screwed to the first connecting portion of the threaded hole of the second workpiece, the first screw Two screws pass through the through hole of the first screw and are screwed to the second connecting portion of the screw hole of the second workpiece. Compared with the prior art, the screw connection combination of the present invention utilizes the second screw to pass through the first screw and simultaneously lock the first workpiece and the second workpiece together with the first screw, thereby realizing more reliable screw connection.

Description

screw connection combination

技术领域 technical field

本发明涉及一种螺纹连接组合。 The invention relates to a screw connection combination.

背景技术 Background technique

利用螺丝锁固在一起的工件，在运输、使用过程中常常因为震动而使螺丝松动，甚至导致工件之间的连接失效，从而影响工件的使用，有时还可能造成安全事故。 The workpieces locked together by screws often loosen the screws due to vibration during transportation and use, and even cause the connection between the workpieces to fail, thereby affecting the use of the workpieces and sometimes causing safety accidents.

发明内容 Contents of the invention

鉴于以上内容，有必要提供一种不易松脱的螺纹连接组合。 In view of the above, it is necessary to provide a threaded connection combination that is not easy to loosen.

一种螺纹连接组合，包括一第一工件、一第二工件及一螺纹连接件，该第一工件设有一贯穿该第一工件相对的表面的安装孔，该第二工件设有一螺纹孔，该螺纹孔包括一直径较大且贯穿该第二工件的一表面的第一连接部及一与该第一连接部贯通且直径较小的第二连接部，该螺纹连接件包括一第一螺丝及一第二螺丝，该第一螺丝沿轴向设有一通孔，该第一螺丝穿设于该第一工件的安装孔并螺合于该第二工件的螺纹孔的第一连接部，该第二螺丝穿设于该第一螺丝的通孔并螺合于该第二工件的螺丝孔的第二连接部。 A threaded connection combination, comprising a first workpiece, a second workpiece and a threaded connector, the first workpiece is provided with a mounting hole penetrating through the opposite surface of the first workpiece, the second workpiece is provided with a threaded hole, the The threaded hole includes a first connecting portion with a larger diameter and penetrating through a surface of the second workpiece and a second connecting portion with a smaller diameter passing through the first connecting portion, and the threaded connecting member includes a first screw and A second screw, the first screw is provided with a through hole in the axial direction, the first screw passes through the mounting hole of the first workpiece and is screwed to the first connecting portion of the threaded hole of the second workpiece, the first screw Two screws pass through the through hole of the first screw and are screwed to the second connecting portion of the screw hole of the second workpiece.

与现有技术相比较，本发明螺纹连接组合利用第二螺丝穿设于第一螺丝后与第一螺丝同时用于锁固第一工件及第二工件，从而实现更可靠的螺纹连接。 Compared with the prior art, the screw connection combination of the present invention utilizes the second screw to pass through the first screw and simultaneously lock the first workpiece and the second workpiece together with the first screw, thereby realizing more reliable screw connection.

附图说明 Description of drawings

图1是本发明螺纹连接组合的较佳实施方式的立体分解图。 Fig. 1 is a three-dimensional exploded view of a preferred embodiment of the threaded connection combination of the present invention.

图2是图1中螺纹连接组合的剖面图。 Fig. 2 is a cross-sectional view of the threaded connection assembly in Fig. 1 .

图3是图1中的螺纹连接组合于组合状态的剖面图。 Fig. 3 is a cross-sectional view of the threaded connection in Fig. 1 assembled in an assembled state.

主要元件符号说明 Description of main component symbols

第一工件first workpiece 1010 安装孔Mounting holes 1111 第二工件second workpiece 2020 螺纹孔Threaded hole 21twenty one 第一连接部first connection 211211 第二连接部second connection 212212 螺纹连接件Threaded connection 3030 第一螺丝first screw 3131 通孔through hole 310310 第一收容部First Containment Unit 31013101 第二收容部Second Containment Unit 31023102 挡止部stopper 31033103 头部head 311、331311, 331 杆部shaft 312、332312, 332 第二螺丝second screw 3333

如下具体实施方式将结合上述附图进一步说明本发明。 The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

具体实施方式 Detailed ways

请参考图1，本发明螺纹连接组合包括一第一工件10、一第二工件20及用于连接该第一、第二工件10、20的螺纹连接件30。 Please refer to FIG. 1 , the screw connection assembly of the present invention includes a first workpiece 10 , a second workpiece 20 and a threaded connector 30 for connecting the first and second workpieces 10 , 20 .

请参阅图2，该第一工件10设有一贯穿的安装孔11。 Please refer to FIG. 2 , the first workpiece 10 defines a through mounting hole 11 .

该第二工件20设有一螺纹孔21。该螺纹孔21的截面呈“T”形，包括一直径较大且贯穿该第二工件20的上表面的第一连接部211及一与该第一连接部211贯通且直径较小的第二连接部212。该第一连接部211的直径与该第一工件10的安装孔11的直径大致相等。 The second workpiece 20 defines a threaded hole 21 . The cross-section of the threaded hole 21 is "T" shape, including a first connecting portion 211 with a larger diameter and penetrating through the upper surface of the second workpiece 20 and a second connecting portion 211 with a smaller diameter passing through the first connecting portion 211. The connection part 212 . The diameter of the first connecting portion 211 is substantially equal to the diameter of the installation hole 11 of the first workpiece 10 .

该螺纹连接件30包括一第一螺丝31及第二螺丝33。 The threaded connector 30 includes a first screw 31 and a second screw 33 .

该第一螺丝31包括一六角形的头部311及一自该头部311的底面沿伸的杆部312。该杆部312的表面形成螺纹。该第一螺丝31沿其中轴线设有一通孔310。该通孔310包括一靠近该头部311的顶面处的直径较大的第一收容部3101及一形成于该第一收容部3101的下方并一直贯穿该杆部312的直径较小的第二收容部3102。该第一螺丝31内于该通孔310的第一、第二收容部3101、3102的连接处形成挡止部3103。 The first screw 31 includes a hexagonal head 311 and a stem 312 extending from a bottom surface of the head 311 . The surface of the shank 312 is threaded. The first screw 31 defines a through hole 310 along its central axis. The through hole 310 includes a first accommodating portion 3101 with a larger diameter near the top surface of the head portion 311 and a second accommodating portion 3101 with a smaller diameter formed below the first accommodating portion 3101 and passing through the rod portion 312. Second containment unit 3102. A blocking portion 3103 is formed in the first screw 31 at the junction of the first and second receiving portions 3101 , 3102 of the through hole 310 .

该第二螺丝33包括一头部331及自一该头部331的底面沿伸的杆部332。该杆部332远离该头部331的一端形成螺纹。该头部331的直径略小于该第一螺丝31的通孔310的第一收容部3101的直径而大于该第一螺丝31的通孔310的第二收容部3102的直径。该杆部332的直径略小于该第一螺丝31的通孔310的第二收容部3102的直径。 The second screw 33 includes a head 331 and a rod 332 extending from a bottom surface of the head 331 . An end of the rod portion 332 away from the head portion 331 is threaded. The diameter of the head portion 331 is slightly smaller than the diameter of the first receiving portion 3101 of the through hole 310 of the first screw 31 and larger than the diameter of the second receiving portion 3102 of the through hole 310 of the first screw 31 . The diameter of the rod portion 332 is slightly smaller than the diameter of the second receiving portion 3102 of the through hole 310 of the first screw 31 .

请参考图3，需要连接该第一、第二工件10、20时，将该第一工件10贴靠于该第二工件20的上表面，并使该第一工件10的安装孔11对正该第二工件20的螺纹孔21的第一连接部211。将该第一螺丝31的杆部312穿过该第一工件10的安装孔11而螺合于该第二工件20的螺纹孔21的第一连接部211中，并利用扳手等工具拧紧该第一螺丝31。将该第二螺丝33的杆部332自该第一螺丝31的头部311穿入该第一螺丝31的通孔310。该第二螺丝33的杆部332设有螺纹的一端向下伸出该第一螺丝31的通孔310的第二收容部3102而螺合于该第二工件20的螺纹孔21的第二连接部212中，利用螺丝刀等工具拧紧该第二螺丝33，使该第二螺丝33的头部331抵紧该第一螺丝31的挡止部3103。 Please refer to Fig. 3, when it is necessary to connect the first and second workpieces 10, 20, the first workpiece 10 is attached to the upper surface of the second workpiece 20, and the mounting holes 11 of the first workpiece 10 are aligned The first connecting portion 211 of the threaded hole 21 of the second workpiece 20 . The rod portion 312 of the first screw 31 passes through the mounting hole 11 of the first workpiece 10 and is screwed into the first connecting portion 211 of the threaded hole 21 of the second workpiece 20, and tightens the second workpiece with a wrench or other tools. A screw 31 . The shaft portion 332 of the second screw 33 passes through the through hole 310 of the first screw 31 from the head 311 of the first screw 31 . The rod portion 332 of the second screw 33 is provided with one end of the thread protruding downward from the second receiving portion 3102 of the through hole 310 of the first screw 31 to be screwed into the second connection of the threaded hole 21 of the second workpiece 20 . In the portion 212 , use tools such as a screwdriver to tighten the second screw 33 , so that the head 331 of the second screw 33 is against the stop portion 3103 of the first screw 31 .

如上所述，由于第一螺丝31与第二螺丝33同时用于锁固第一工件10及第二工件20，且第二螺丝33抵紧第一螺丝31，从而使本发明螺丝连接结构相较于现有技术更可靠。 As mentioned above, because the first screw 31 and the second screw 33 are used to lock the first workpiece 10 and the second workpiece 20 at the same time, and the second screw 33 is pressed against the first screw 31, so that the screw connection structure of the present invention is relatively more reliable than existing technologies.

Claims

1. combination that is threaded comprises:

One first workpiece, this first workpiece be provided with one run through this first workpiece facing surfaces mounting hole;

One second workpiece, this second workpiece is provided with a tapped hole, and first joint and on a surface that comprises that a diameter is big and run through this second workpiece is perforation and second joint that diameter is less with this first joint; And

One threaded connector; Comprise one first screw and one second screw; This first screw is provided with a through hole vertically; This first screw is arranged in this first workpiece mounting hole and is screwed together in first joint of the tapped hole of this second workpiece, and this second screw is arranged in the through hole of this first screw and is screwed together in second joint of the tapped hole of this second workpiece.

2. the combination that is threaded as claimed in claim 1; It is characterized in that: the through hole of this first screw comprises first bigger accommodation section of a diameter and the one second less accommodation section of diameter of stretching from the end edge of this first accommodation section; Be provided with the stopper part in first accommodation section of this through hole and the joint of second accommodation section in this first screw; This second screw comprises a head and the bar portion that is provided with screw thread of stretching from this head edge; The through hole that the bar portion of this second screw passes this first screw away from an end of the head of this second screw is screwed together in second joint of the tapped hole of this second workpiece away from an end of this first accommodation section, the head of this second screw be contained in this first screw through hole first accommodation section and push against the stopper part of this first screw.

3. the combination that is threaded as claimed in claim 2 is characterized in that: this first screw comprises that a head and has the bar portion of screw thread, and first accommodation section of the through hole of this first screw is arranged at the head of this first screw.

4. the combination that is threaded as claimed in claim 2 is characterized in that: the head of this first screw is a hexagon.