Expansion type anchor bolt

An expansion type, anchor bolt technology, applied in the direction of connecting components, pins, mechanical equipment, etc., can solve the problems affecting the spin function and assembly function, so as to prevent the spin of the anchor bolt and reduce the risk

Active Publication Date: 2021-03-12
HILTI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, harder materials can also affect the spin function and assembly function

Method used

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  • Expansion type anchor bolt
  • Expansion type anchor bolt
  • Expansion type anchor bolt

Examples

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Embodiment Construction

[0034] The detailed description, set forth below in conjunction with the accompanying drawings, is intended as a description of presently preferred embodiments of the invention and is not intended to represent the only forms in which the invention may be practiced. It is to be understood that the same or equivalent functionality may be achieved by different embodiments, which are intended to be encompassed within the spirit and scope of the invention. In the drawings, the same reference numerals are used to designate the same components. Furthermore, the terms "comprising", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion such that a module, circuit, device part, structure and method step comprising a list of members or steps includes not only those members or steps, but Other components or steps not explicitly listed or inherent components or steps of these modules, circuits, device parts or steps may be included. A component or ste...

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Abstract

An expansion type anchor bolt comprises a bolt body, a spacer sleeve, an expandable sleeve, an expansion component and a lantern ring. The lantern ring is arranged between the expandable sleeve and the spacer sleeve and is in the form of an annular body, the bolt is sequentially inserted into the spacer sleeve, the lantern ring and the expandable sleeve, a front end of the bolt is in threaded connection to a cone, then an expansion component is pulled into the expandable sleeve, and the expandable sleeve is expanded in the radial direction. The expansion type anchor bolt is characterized in that the lantern ring is made of two materials different in hardness.

Description

technical field [0001] The present invention relates to a fastener with an expandable sleeve, and more particularly, to an expandable anchor bolt. Background technique [0002] Expansion anchors are fasteners designed for use in masonry base materials that expand to provide retention. This type of expansion anchor is particularly useful in applications where heavy objects must be secured to supports such as concrete. This includes installing heavy applications, etc. Fastening to concrete is unique compared to other fastening applications such as fastening two pieces of metal together by using screws or bolts and nuts. Concrete anchors are more difficult to install and use. [0003] In general, expandable anchors work on the same basic principle—drill a hole of a specific size, insert the anchor, and expand the anchor larger than the hole to make it difficult to pull the anchor out of the hole. Concrete anchors are designed to be inserted into holes in concrete without co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B13/06
CPCF16B13/068F16B13/066E04B1/4114
Inventor 褚小龙胡星达M·舍费尔林成
Owner HILTI AG
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