CN2178768Y

CN2178768Y - Tooth type turntable checking number lock

Info

Publication number: CN2178768Y
Application number: CN 93247930
Authority: CN
Inventors: 王同庆
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-12
Filing date: 1993-12-12
Publication date: 1994-10-05
Anticipated expiration: 2003-12-12

Abstract

The utility model provides a tooth type turntable checking number lock. The upper part of a turntable disc is provided with an attaching matching tooth groove whose depth is less than the depth of an opening groove. The utility model has the advantages of simple structure and reliable security, and the use of the is safe because a password can not be deciphered by sound and a hand feeling, or the lock can not be opened. The utility model is suitable for a safe, a file cabinet and various doors, and is novel checking number lock.

Description

Tooth type turntable checking number lock

The utility model belongs to the mechanical type combination lock in the technical field of buildings, is more a kind of combination lock that Alveolus type tumbler discs are housed on single axle particularly.

Mostly the prior mechanical combination lock is on single axle some tumbler discs to be housed, and tumbler disc comprises initiatively rotating disk and driven rotating disk, and the other end of axle is shaped on knob and figure disc, and the active rotating disk is dialled the connection clutch plate by the rotation forward or backwards of knob and adjusted.All all be shaped on a rectangular recess on the rotating disk, the corresponding again password of each groove.When the recesses coincide that makes according to the password turning knob on whole rotating disks, backset is dialled in the groove of rotating disk, lock is opened.But because whole tumbler discs of existing combination lock all only are shaped on the groove of a unlatching, if exert oneself the rotating rod lock handle slightly, make backset slightly-inclined contact rotating disk, just when going to the groove of unlatching, rotating disk will produce the sound and the feel of difference, thereby can be with code breaking, lock is opened, can not be brought into play its insurance, antitheft effect, security performance is poor.

The purpose of the utility model provides a kind of improved combination lock, to overcome the deficiencies in the prior art, makes its security performance reliable, can't break a code insurance safe in utilization by the sound and feel.

The utility model is achieved in that tumbler disc except that being shaped on open recess, also is shaped on the attached teeth groove of joining, and the attached degree of depth of joining the degree of depth of teeth groove less than open recess consists of the combination lock of Alveolus type tumbler disc.

Because the utility model is shaped on attached teeth groove of joining on tumbler disc, when making backset and rotating disk CONTACT WITH FRICTION, the open recess and the attached teeth groove of joining that turn to rotating disk all produce the same sound and sensation, therefore, can't break a code by the sound and feel and maybe will lock unlatching.And the utility model only increases on tumbler disc has made attached groove, does not change the structure of former lock.It is simple in structure, confidentiality is reliable, insurance safe in utilization.

The utility model is described in further detail below in conjunction with drawings and Examples.

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

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the initiatively view of rotating disk (6) of U-shaped Alveolus type.

Fig. 4 is the view that is shaped on the driven rotating disk (5) of V-arrangement and trapezoidal teeth groove and dovetail groove.

As attached illustrated in figures 1 and 2, the utility model comprises: lock (2), backset (4), rotating shaft (1), active rotating disk (6) and driven rotating disk (5).Lock (2) is fixed on the door-plate (3), and rotating shaft (1) is threaded onto in the axle sleeve of lock (2), and initiatively rotating disk (6) and driven rotating disk (5) are loaded in the rotating shaft (1).Be shaped on an open recess (7) and 1-50 the attached teeth groove (8) of joining on active rotating disk (6) and driven rotating disk (5) respectively, best for each rotating disk is shaped on 5-20 the attached teeth groove (8) of joining, the degree of depth of teeth groove (8) is less than the degree of depth of open recess (7).For ease of processing and fabricating, teeth groove (8) be shaped as rectangular channel or for U-lag (9) (see figure 3) or for V-shaped groove (10) or be dovetail groove (11), dovetail groove (12) (see figure 4).

The utility model is applicable on safety cabinet, file cabinet and the various door, is a kind of novel combination lock.

Claims

1, a kind of combination lock of Alveolus type rotating disk, it comprises lock (2), backset (4), rotating shaft (1), active rotating disk (6) and driven rotating disk (5), on active rotating disk (6) and driven rotating disk (5), be shaped on an open recess (7) respectively, it is characterized in that initiatively also being shaped on 1-50 the attached teeth groove (8) of joining on rotating disk (6), the driven rotating disk (5), the degree of depth of teeth groove (8) is less than the degree of depth of open recess (7).

2, combination lock according to claim 1, it is characterized in that initiatively rotating disk (6), driven rotating disk (5) go up that attached quantity of joining teeth groove (8) is best to be each rotating disk 5-20, teeth groove (8) be shaped as rectangular channel or U-lag (9) or for V-shaped groove (10) or for dovetail groove (11) or be dovetail groove (12).