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Bolt

A technology of screws and screws, applied in the field of screws, can solve troubles and other problems, and achieve the effect of wide applicability

Inactive Publication Date: 2013-06-05
SUZHOU IND PARK XIECHENG PRECISION HARDWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Screw is a kind of fastener commonly used in daily life and industry. At present, when it is used, it is generally selected according to different parameters such as the length of the screw to fix it. Since the length of the screw is fixed at the time of manufacture, when When using a large number of screws with different screw lengths, it is necessary to sort out screws with different screw lengths beforehand. This method is troublesome, and sometimes some special length screws are needed in some special occasions. It is troublesome and laborious to produce screws of this special length alone

Method used

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Embodiment Construction

[0013] Please refer to figure 1 , 2 , a screw, including a screw body 1 and an extension 2 assembled at the bottom of the screw body 1, the screw body 1 includes a head 11, a screw 12 extending from the bottom surface of the head 11, and a screw 12 formed on the outer edge of the screw 11 The first thread 13 and the taper 14 formed at the bottom of the screw 12 . The extension part 2 is assembled on the taper part 14, and the extension part 2 and the taper part 14 are detachably connected. When the screw body 1 needs to be increased, the extension part 2 can be fixed on the taper part 14, and the screw rod 12 can be extended. . The growth part 2 includes a growth screw 21, a second thread 22 formed on the outer edge of the growth screw 21 and forming a continuous thread with the first thread 13, a growth cone 23 formed from one end of the growth screw 21, and a growth cone formed on the growth screw 21. The other end is used for the installation part 24 which is fixed with ...

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Abstract

The invention relates to a bolt. The bolt comprises a bolt body, wherein the bolt body comprises a head portion, a screw, first threads and a conic portion, wherein the head portion extends from the bottom surface to form the screw, the first threads are formed on the periphery of the screw, and the conic portion is formed at the bottom of the screw. The bolt further comprises a lengthening portion which can be assembled on the conic portion. The lengthening portion comprises a lengthening screw, second threads, a lengthening conic portion and an installation portion, wherein the second threads are formed on the periphery of the lengthening screw, the second threads and the first threads form coherent threads, the lengthening conic portion is formed at one end of the lengthening screw, the installation portion is formed at the other end of the lengthening screw and used for being matched and fixed with the conic portion, the installation portion is concave inward and formed in the lengthening screw, and the conic portion is fixed in the installation portion. According to the bolt, due to the fact that the lengthening portion is fixed on the conic portion, the length of a normal screw can be increased randomly and the bolt is wide in application range.

Description

technical field [0001] The invention relates to a screw. Background technique [0002] Screw is a kind of fastener commonly used in daily life and industry. At present, when it is used, it is generally selected according to different parameters such as the length of the screw to fix it. Since the length of the screw is fixed at the time of manufacture, when When using a large number of screws with different screw lengths, it is necessary to sort out screws with different screw lengths beforehand. This method is troublesome, and sometimes some special length screws are needed in some special occasions. It is troublesome and laborious to produce screws of this special length alone. Contents of the invention [0003] The purpose of the present invention is to provide a screw that can freely realize the extension of the screw rod length. [0004] In order to achieve the aforementioned purpose, the present invention adopts the following technical solution: a screw, including ...

Claims

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Application Information

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IPC IPC(8): F16B27/00F16B35/00
Inventor 陆建平
Owner SUZHOU IND PARK XIECHENG PRECISION HARDWARE