CN2155703Y

CN2155703Y - Automatic winding key hook

Info

Publication number: CN2155703Y
Application number: CN 92238923
Authority: CN
Inventors: 吴勇
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-12-19
Filing date: 1992-12-19
Publication date: 1994-02-16
Anticipated expiration: 2002-12-19

Abstract

The utility model relates to a key hook which can automatically wind a key chain, which is made through the improved design of a measuring tape. A rotating spring and a rotating wheel are arranged at the middle part of the inner side of a key chain box; the head of the key chain is fixed on the outer wall of the circumference of the rotating wheel; the middle part of the key chain is wound on the outer wall of the circumference of the rotating wheel of a plurality of circles according to the direction of the rotating spring; the tail part of the key chain is connected with a key ring and is exposed from a wear resistant ring hole positioned at the lower part of the key ring; pattern blocks and hanging buckles are respectively arranged on outer shells of the front and back sides of the key chain box; after a lock is unlocked, the key chain can automatically curl and restore under the action of the rotating spring. The utility model has the advantages of simple structure, beautiful appearance, flexible and convenient use, little possibility of loss, etc.

Description

Automatic winding key hook

The utility model relates to a kind of key of spoon chain of can crispaturaing automatically and hangs.

Though it is of a great variety that existing key is hung, shape and structure are different, when unblanking, need the key extension is picked up operation simultaneously, thereby tidy up and carry inconvenience, are easy to lose; Have also that to hang key and key with rope (chain) be the person that puts the waist, but after unblanking, rope (chain) can not be crispaturaed automatically to being to put the position, thereby portably uses still to show and bother.

Purpose of design of the present utility model is that design provides a kind of use easy to carry, the spoon chain lengthening can be taken out key when unblanking, and the key that the back spoon chain of unblanking can be crispaturaed automatically in the spoon chain cover is hung.

The utility model is improved by existing tape measure and designs, and its concrete technical scheme is: the middle part in the spoon chain cover ［ 1 ］ is provided with changes spring ［ 3 ］, runner ［ 2 ］; The head of its spoon chain ［ 4 ］ is fixed on the outer circumferential walls of runner ［ 2 ］, the middle part by change spring ［ 3 ］ steering wheel around the outer circumferential walls of runner ［ 2 ］ a few, afterbody is key ring ［ 8 ］, exposes from wear-resisting circle ［ 6 ］ aperture of spoon chain cover ［ 1 ］ below; The front shell of spoon chain cover ［ 1 ］ is provided with the pattern block ［ 7 ］ of projection, and the back side shell of spoon chain cover ［ 1 ］ is mounted with metal and buckles ［ 5 ］.

The utility model is according to above-mentioned design, after key bow ［ 8 ］ is worn and is hung one to multiple key, can hang between waist or other position clothings of health with buckling ［ 5 ］, when unblanking, pull key and affect key bow ［ 8 ］ and spoon chain ［ 4 ］, thereby it is clockwise around central shaft to drive runner ［ 2 ］, and tightening more changes spring ［ 3 ］; After unblanking, openhanded key and the key bow ［ 8 ］ opened, spoon chain ［ 4 ］ are under the effect of changeing spring ［ 3 ］, and runner ［ 2 ］ is around the central shaft counter-rotating, thus the spoon chain ［ 4 ］ that elongation is pulled out crispatura and reset, be coiled on the outer circumferential walls of runner ［ 2 ］.

The utility model is handsome in appearance, and is simple in structure, easy to use flexible, and is difficult for losing.

Below in conjunction with accompanying drawing embodiment of the present utility model is further specified:

Fig. 1, look schematic diagram for master of the present utility model.

Fig. 2, be schematic side view of the present utility model.

Fig. 3, be the A-A face cutaway view of Fig. 2.

By Fig. 1-3 as can be known, the flat box of spoon of the present utility model chain cover ［ 1 ］ profile approximate ellipsoidal, the middle part in the spoon chain cover ［ 1 ］ is equipped with runner ［ 2 ］ and changes spring ［ 3 ］ by the central shaft setting, and the length of changeing spring ［ 3 ］ is greater than the girth of runner ［ 2 ］ more than 3 times.The head of spoon chain ［ 4 ］ is fixed on the outer circumferential walls of runner ［ 2 ］, its middle part is by changeing outer circumferential walls four circles of spring ［ 3 ］ steering wheel around runner ［ 2 ］, the length of spoon chain ［ 4 ］ is equal to or less than the length of changeing spring ［ 3 ］, its afterbody is that key ring ［ 8 ］ exposes from wear-resisting circle ［ 6 ］ aperture of spoon chain cover ［ 1 ］ below, as shown in Figure 3.As seen from Figure 1, Figure 2, the utility model spoon chain cover ［ 1 ］ front shell is provided with the pattern block ［ 7 ］ of projection, and its pattern block ［ 7 ］ can be designed to logo, trade mark or other artistic patterns.As shown in Figure 2, the utility model is mounted with at the back side shell of spoon chain cover ［ 1 ］ and can buckles buckle ［ 5 ］ of carrying with oneself.

Spoon of the present utility model chain cover ［ 1 ］ can be made of plastics or metal material with runner ［ 2 ］, changes spring ［ 3 ］, spoon chain ［ 4 ］, buckles ［ 5 ］, wear-resisting circle ［ 6 ］, key bow ［ 8 ］ is all made of metal material.

Claims

1, the utility model relates to a kind of key extension of spoon chain of can crispaturaing automatically, its structure comprises a spoon chain cover [1], runner [2], commentaries on classics spring [3], spoon chain [4], buckles [5], wear-resisting circle [6], key bow [8] parts, middle part in spoon chain cover [1] is mounted with by central shaft changes spring [3] and runner [2], it is characterized in that the head of a spoon chain [4] is fixed on the outer circumferential walls of runner [2], the middle part of spoon chain [4] by change spring [3] steering wheel around the outer circumferential walls of runner [2] a few, the afterbody of spoon chain [4] is that key ring [8] exposes from wear-resisting circle [6] aperture of spoon chain cover [1] below.

2, hang according to the described key of crispaturaing automatically of claim 1, it is characterized in that a spoon chain cover ［ 1 ］ front shell is provided with the pattern block ［ 7 ］ of projection, the back side shell of spoon chain cover ［ 1 ］ is mounted with and buckles ［ 5 ］.

3, hang according to the described key of crispaturaing automatically of claim 1, the length that it is characterized in that changeing spring ［ 3 ］ is greater than the girth of runner ［ 2 ］ more than 3 times; Spoon chain ［ 4 ］ by the steering wheel that changes spring ［ 3 ］ around the outer circumferential walls of runner ［ 2 ］ a few, its length is equal to or less than the length of changeing spring ［ 3 ］.