CN201301601Y

CN201301601Y - Foldable L-shaped key

Info

Publication number: CN201301601Y
Application number: CNU2008201769552U
Authority: CN
Inventors: 林洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-21
Filing date: 2008-11-21
Publication date: 2009-09-02
Anticipated expiration: 2018-11-21

Abstract

The utility model relates to a key, in particular to a foldable L-shaped key used together with a lockset with a concealed core. The foldable L-shaped key comprises a key with a single-side or multi-side key teeth, and a key handle hinged with the end of the key through a pin. The utility model is characterized in that the key handle is internally provided with a groove; and a positioning mechanism which can vertically fix the key on the key handle is arranged inside the groove. The positioning mechanism can be a positioning bolt which is tightly inlaid at the bottom of the groove and is fixed by a screw. The bottom of the positioning bolt is provided with a semi-spherical locking groove and a positioning steel ball is arranged inside the locking groove. The root of the key is provided with an arc corner and both sides of the arc corner are respectively provided with a positioning locking groove corresponding to the positioning steel ball. The key can be folded and unfolded smoothly, which is convenient to carry and is practical.

Description

A kind of collapsible L shaped key

Technical field

The utility model relates to a kind of key, the collapsible L shaped key that especially a kind of and latent core lockset is used.

Background technology

Present widely used conventional lock cylinders (particularly columniform lock cylinder), the fixed cover that matches of the external diameter of tumbler that axially has a keyhole and internal diameter and described tumbler normally, and the number that is arranged on tumbler and the fixed cover opposite position is arranged the radial hole formation that a plurality of pellets shot from a slingshot and spring are housed, its theftproof performance is poor, and the thief can in minutes easily open.And on the market several latent core locksets have appearred recently, described latent core lockset is different fully with existing lock core, can't see pellet shot from a slingshot in its lockhole, and in inserting lockhole, key can not unblank immediately, only behind set angle, can reach unlocking condition in key turns, thereby special-purpose unlocking tool and master key also can't unblank in lockhole in activity, so theftproof performance is splendid.And often adjust use angle because of needs with the key that above-mentioned latent core lockset is used, use the particularly L shaped key of special-section key more; That but L shaped key shortcoming is a size is big, carry inconvenience, and might collude brokenly the clothing pocket.

Summary of the invention

In order to address the above problem, the utility model provides a kind of collapsible L shaped key, and it can not destroy pocket and be easy to carry.

Technical solutions of the utility model are: a kind of collapsible L shaped key, comprise a key with single face or multiaspect key bit, one by bearing pin and the hinged the shank of the key of described key root, be provided with a groove in the described the shank of the key, the detent mechanism that described key can be fixed on the described the shank of the key vertical direction is housed in the described groove.

The utility model principle is, as a whole L type key originally is divided into hinged the shank of the key and two parts of key, time spent not at ordinary times, key folding storage; During use key is forwarded to the vertical direction of the shank of the key, detent mechanism blocks key can use.

The beneficial effects of the utility model are: can fold or open freely under the detent mechanism effect of this product in the shank of the key, and easy to carry and practical.

Description of drawings:

The utility model is described in further detail below in conjunction with the drawings and specific embodiments:

Fig. 1 is a front view of the present utility model,

Fig. 2 is the utility model sectional drawing,

Fig. 3 is the sectional drawing of the utility model folded state.

The specific embodiment:

Referring to Fig. 1, a kind of collapsible L shaped key, comprise a key 2 with four sides key bit, one by bearing pin 4 and key 2 terminal hinged the shank of the keys 1, be provided with a groove in the described the shank of the key 1, the detent mechanism that described key 2 can be fixed on described the shank of the key 1 vertical direction is housed in the described groove, and the shank of the key 1 afterbody has key annular distance 5.

Referring to Fig. 2,3, detent mechanism adopts and closely studs with a pilot pin 3 at described bottom portion of groove, and fixing by two fixed screws in the shank of the key 1 ridge portion 6.Pilot pin 3 bottom surfaces are provided with the hemispherical draw-in groove, and a positioning ball 7 is housed in the draw-in groove; The root of key 2 has a circular arc corner, and is respectively equipped with one and positioning ball 7 corresponding hemispherical locating grooves 8 and 8 ' on two sides of circular arc corner.Time spent not at ordinary times, key 2 folding storages, and be stuck in the locating groove 8 ' key positioner by positioning ball 7 prevent that it from opening voluntarily; Need only during use and exert oneself slightly, positioning ball 7 is promptly deviate from from locating groove 8 ', and forwards key 2 vertical direction of the shank of the key 1 to by the circular arc corner, when key 2 arrives accurate position, positioning ball 7 just is stuck in the locating groove 8 with key positioner, conveniently to unblank.

The utility model all material selects for use special the making of all steel material to form, and surface finish is electroplated, and easy-to-collection attractive in appearance is durable in use.

Claims

1. collapsible L shaped key, comprise a key with single face or multiaspect key bit, one by bearing pin and the hinged the shank of the key of described key tip, it is characterized in that being provided with a groove in the described the shank of the key, the detent mechanism that described key can be fixed on the described the shank of the key vertical direction is housed in the described groove.

2. according to the described a kind of collapsible L shaped key of claim 1, it is characterized in that described detent mechanism employing closely studs with a pilot pin at described bottom portion of groove, and fix by two fixed screws in the shank of the key ridge portion; The pilot pin bottom surface is provided with the hemispherical draw-in groove, and a positioning ball is housed in the draw-in groove; The root of key has a circular arc corner, and is respectively equipped with one and the corresponding hemispherical locating groove of positioning ball on two sides of circular arc corner.