CN201008390Y

CN201008390Y - Retractable key-chain

Info

Publication number: CN201008390Y
Application number: CNU2006201662768U
Authority: CN
Inventors: 王东升; 张洁; 张善文
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-15
Filing date: 2006-12-15
Publication date: 2008-01-23
Anticipated expiration: 2016-12-15

Abstract

The utility model provides a retractable keychain simple in structure, low in cost and handy to use. The utility model consists of a shell, two springs, a turnplate, a chain and a hanger, and is reasonable in design, simple in structure, handy to operate and capable of solving the problem that fetching and using keys is inconvenient for people.

Description

Scalable key chain

(1) technical field:

The utility model relates to a kind of scalable key chain, belongs to daily necessities field.

(2) background technology:

A lot of people are accustomed to key is hung between waist, but very inconvenient when taking key.Though also have the similar products that much address this problem to occur now on the market, some is because of complex structure, not only cost is higher, and damages easily, though some is simple in structure, not can solve the problem that key is taken inconvenience.As the patent No. is 86204856 utility model patent, discloses a kind of key chain of scalable illumination, because its complex structure, so manufacturing cost is higher, and the convergent force of key chain is directly to be provided by wind spring, therefore damages easily.

(3) summary of the invention:

The utility model provides a kind of simple structure at the deficiencies in the prior art, and is with low cost, scalable key chain easy to use.

A kind of scalable key chain, mainly be made up of shell, two springs, rotating disk, chain and hooks: the mid portion of enclosure is fixed with a cross bar, there is screw thread the centre of cross bar, there is a hole in rotating disk central authorities, cross bar passes the hole of rotating disk central authorities, the inner surface in hole has screw thread, cross bar screw thread and rotating disk threaded engagement, the cross bar part of the left and right sides of rotating disk is passed a spring respectively, the disc side of rotating disk is fluted, chain is wrapped in the groove, and an end of chain is fixed in the rotating disk groove, and the aperture that the other end passes shell is fixed on the hook of housing exterior.

When using the utility model, key can be hung on the hook, when taking key, directly pull key, chain can extend automatically, after using up, key slowly can be put back to, but the chain inventory on rotating disk, heavy chain is completely retracted into enclosure.

The utility model is reasonable in design, and is simple in structure, easy and simple to handle, can effectively solve the problem that people take the key inconvenience.

(4) description of drawings:

Fig. 1 is a structural representation of the present utility model.

Wherein: 1, shell, 2, spring, 3, spring, 4, rotating disk, 5, chain, 6, hook, 7, cross bar, 8, groove, 9, the hole, 10, aperture.

(5) specific embodiment:

Embodiment 1:

The utility model is a kind of scalable key chain, mainly by shell 1, spring 2, spring 3, rotating disk 4, chain 5 with link up with 6 and form; The mid portion of shell 1 inside is fixed with a cross bar 7, there is screw thread the centre of cross bar 7, there is a hole 9 in rotating disk 4 central authorities, cross bar 7 passes the hole 9 of rotating disk 4 central authorities, the inner surface in hole 9 has screw thread, cross bar 7 screw threads and rotating disk 4 threaded engagement, cross bar 7 parts of the left and right sides of rotating disk 4 are passed a spring 2 and spring 3 respectively, the disc side fluted 8 of rotating disk 4, chain 5 is wrapped in the groove 8, one end of chain 5 is fixed in rotating disk 4 grooves 8, and the aperture 10 that the other end passes shell is fixed on the hook 6 of shell 1 outside.

Claims

1. a scalable key chain is characterized in that, mainly is made up of shell, two springs, rotating disk, chain and hooks; The mid portion of enclosure is fixed with a cross bar, there is screw thread the centre of cross bar, there is a hole in rotating disk central authorities, and cross bar passes the hole of rotating disk central authorities, and the inner surface in hole has screw thread, cross bar screw thread and rotating disk threaded engagement, the cross bar part of the left and right sides of rotating disk is passed a spring respectively, and the disc side of rotating disk is fluted, and chain is wrapped in the groove, one end of chain is fixed in the rotating disk groove, and the aperture that the other end passes shell is fixed on the hook of housing exterior.