CN2605413Y - Novel expansion nail - Google Patents

Abstract

A novel expand nail consists of a fastening bolt, a expanded tube, and an Inner core; wherein, the end of the fastening bolt is a socket head screw cap; the expanded tube is an open thin-walled casing pipe; the Inner core is a internal threading fastening piece with a cone body which is provided with a groove; the expanded tube is sleeved with the inner core at the open end and the fastening bolt binds with the inner core. The utility model has the advantages as following: firstly, being without exposed thread screw part and having a more reasonable structure and more pleasant exterior; secondly, being convenient for usage, high in efficiency and fast for fastening, and high efficiency; thirdly, being economical and practical.

Description

Novel bloated nail

Technical field

The utility model belongs to a kind of hardware, particularly a kind of novel bloated nail.

Background technique

At present, develop rapidly along with Building Trade in China, people are more and more exquisite to construction and decoration, various bloated nails are enriching market to satisfy people's needs, and existing bloated pin structure is similar, use when installing more complicated, tradition expands to follow closely and is the outer nut fastening type, tool using is a common wrench, the tightening nut that when some occasions are used, needs spanner one circle circle, comparatively inconvenience is during for example fastening on the wall angle bar, with fastening general every the commentaries on classics down of spanner, the operator need be spent than the long time when tightening nut less than 180 degree; Moreover tradition expands to clench and have long bolt to stay the outside after solid, and is attractive in appearance inadequately.

Technology contents

The purpose of this utility model provides a kind of novel bloated nail, and it has overcome above-mentioned defective, and the operator is shortened the fastening time, and efficient improves, and neat appearance.

The technical solution of the utility model is: a kind of novel bloated nail, and it is characterized in that: it is made up of clamping bolt, expand tube and inner core, and the clamping bolt end is interior hexagon nut; Expand tube is the opening thin sleeve pipe; Inner core is the internal thread fastening piece of band cone, and has groove on the cone, rotates with bolt to prevent inner core; Expand tube is with opening end and inner core suit; Clamping bolt and inner core are fastening.

Between said clamping bolt and expand tube pad is housed.

The utlity model has following advantage: 1, do not have and expose helical thread portion, more reasonable structure, and neat appearance; 2, easy to use, the fastening time is short, the efficient height.3, economical and practical.

Description of drawings

Accompanying drawing 1: the utility model structural representation.

Embodiment

As shown in Figure 1: a kind of novel bloated nail is characterized in that: it is made up of clamping bolt 1, expand tube 2 and inner core 3, and clamping bolt 1 end is interior hexagon nut 6; Expand tube 2 is the opening thin sleeve pipe; Inner core 3 is the internal thread fastening piece of band cone, and has groove 4 on the cone; Expand tube 2 is with opening end and inner core 3 suits; Clamping bolt 1 is fastening with inner core 3.

2 of said clamping bolt 1 and expand tubes are equipped with plain cushion 5 and spring pad 7.

Claims (2)

1, a kind of novel bloated nail, it is characterized in that: it is made up of clamping bolt, expand tube and inner core, and tight state bolt end is interior hexagon nut; Expand tube is the opening thin sleeve pipe; Inner core is the internal thread fastening piece of band cone, and has groove on the cone; Expand tube is with opening end and inner core suit; Clamping bolt and inner core are fastening.

2, a kind of novel bloated nail according to claim 1 is characterized in that: between said clamping bolt and expand tube pad is housed.