CN203856284U - Wrong code set prevention device for coded lock - Google Patents

Abstract

The utility model relates to a wrong code set prevention device for a coded lock. The wrong code set prevention device for the coded lock comprises a lock cylinder rod fixed with a lock box, multiple code rings sheathing the lock cylinder rod and a turntable; a corresponding code disc sheathes each code ring; the code discs and the turntable are partially exposed in a window on a lock shell of the coded lock; a clutch structure is arranged between each code disc and the corresponding code ring. The wrong code set prevention device for the coded lock is characterized in that the turntable is provided with a radial bulge; a rotary arm is arranged in the lock shell, the middle of the rotary arm is hinged to the lock shell by a pin shaft, one end of the rotary arm is provided with a slope oppositely matched with the bulge, the other end of the rotary arm is abutted against the lock cylinder rod, a concave part is arranged on the lock cylinder rod, when the lock box and the lock shell are combined, the other end of the rotary arm can fall into the concave part, the wrong code set prevention aim can be effectively ensured after the structure is adopted by using the mode that the lock cylinder rod is used for mechanical limiting, and the wrong code set prevention device is simple in structure and easier to implement.

Description

Device is established in the password mistake proofing of coded lock

Technical field

The utility model relates to a kind of coded lock, specifically refers to that device is established in a kind of password mistake proofing of coded lock.

Background technology

Existing a kind of coded lock, also claims Miniature safety box, both can hold little article, can utilize again latch hook to lock a door, and therefore its application is very extensive.This coded lock includes lock housing and the lock box that is positioned at lock housing and is partly exposed to the coded lock assembly on lock housing surface and plugs together mutually with lock housing mostly, wherein coded lock assembly has employing tray type structure, including one end is fixed on lock core pole in lock box, is enclosed within the multiple cipher rings on lock core pole and is enclosed within the combination disk outside each cipher ring, between combination disk and cipher ring, there is clutch structure, combination disk also part is exposed in the window of lock housing, operates for user.On lock core pole, cover has one to make the spring being axially mutually adjacent between multiple combination disk and between multiple cipher ring simultaneously.

In above-mentioned coded lock, under the state that requires only to close in lock box and lock housing, combination disk could be set, otherwise can affect normal use.For this reason, also need to configure password mistake proofing and establish device.And the general rotating disk being set on lock core pole that adopts of device is established in current password mistake proofing, this rotating disk also part is exposed in window, utilizes rotating disk to promote cipher ring, makes cipher ring be separated or be connected with corresponding dense code-disc, thereby reaches above-mentioned requirements.But it is comparatively complicated that apparatus structure is established in existing password mistake proofing, therefore needs further improvement.

Utility model content

Technical problem to be solved in the utility model is the present situation for prior art, provides a kind of simple in structure, can effectively ensure that the password mistake proofing that the coded lock of password only could be set under lock box closes state establishes device.

The utility model solves the problems of the technologies described above adopted technical scheme: device is established in a kind of password mistake proofing of coded lock, comprise the lock core pole fixing with the lock box of coded lock, be set in the multiple cipher rings on lock core pole and be enclosed within on lock core pole and can promote each cipher ring axially movable rotating disk on lock core pole, on each cipher ring, also cover has corresponding combination disk, described combination disk and rotating disk all part are exposed in the window of lock housing of coded lock, between each combination disk and corresponding cipher ring, there is clutch structure, it is characterized in that: on described rotating disk, there is radial protrusion, in described lock housing, be provided with pivoted arm simultaneously, the middle part of this pivoted arm is hinged in lock housing by bearing pin, one end of this pivoted arm has the inclined-plane with this projection relative engagement, the other end of this pivoted arm is butted on described lock core pole, and have recess on described lock core pole, when described lock box and lock housing are closed under state, the other end of this pivoted arm can fall in this recess.

Be preferably, described rotating disk has a deep gouge on the end face of corresponding cipher ring, there are two symmetrical ramps in this deep gouge bottom design, in this deep gouge, be provided be enclosed within on described lock core pole and with the lock tube that described cipher ring offsets, on this lock tube, there is the lower inclined plane matching with this ramp.Rotate like this rotating disk, utilize the cooperation on upper and lower inclined-plane, promote lock tube and move axially, move axially thereby can promote each cipher ring, reach the object that each cipher ring is separated with corresponding combination disk.

In such scheme, in described lock housing, be also provided with an elastic component, described elastic component includes the main body that is positioned in described lock housing and extended multiple flexure strips that can offset with the surface of corresponding combination disk, rotating disk from the side of main body, and on the free end of each flexure strip, have kink, on the surface of described rotating disk, each combination disk, interval has the locating slot and the stopper slot that embed for the kink on corresponding flexure strip.Rotate like this rotating disk or combination disk, all can drop in corresponding locating slot or stopper slot by kink, allow user know the angle of rotation and user is rotated to the prompting after a password figure puts in place.

Be preferably, in described lock housing, be provided with spacer, the Cross section Design of described main body becomes the ∩ shape structure of inserting for above-mentioned spacer, to realize quick assembling.

Compared with prior art, because the other end of the utility model pivoted arm is corresponding to the recess on lock core pole, and as long as when under the lock box and the state of lock housing in closing of coded lock, this pivoted arm can could be done to rotate a little by means of the recess on lock core pole, and under other state, because the other end and the lock core pole of pivoted arm offset and cannot rotate, therefore under other state, even if enforce rotating disk, projection offsets with pivoted arm one end and makes pivoted arm have the trend of rotating around bearing pin, also because stopping of lock core pole makes pivoted arm, rotating disk all can not rotate, and then can not promote cipher ring and move axially, also just can not make cipher ring and combination disk be separated, can not realize the object of setting code under lock box open mode, obviously, utilize lock core pole to carry out the mode of mechanical position limitation, can effectively ensure the object that password mistake proofing is established, and simple in structure, more easily implement.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the utility model embodiment;

Fig. 2 is the schematic perspective view removing in Fig. 1 after lock box and part lock housing;

Fig. 3 is the schematic diagram after decomposing with elastic component in Fig. 2;

Fig. 4 is the part three-dimensional exploded view of coded lock assembly in 3;

Fig. 5 is the three-dimensional cutaway view of coded lock assembly;

Fig. 6 is the three-dimensional exploded view of Fig. 5 turntable and lock collar;

Fig. 7 is the other direction schematic diagram of Fig. 6;

Fig. 8 be under the state of Fig. 2 lock core pole and rotating disk and pivoted arm from the schematic perspective view of other direction;

Fig. 9 is the schematic perspective view of lock core pole after moving down with lock box under the state of Fig. 8;

Figure 10 is the three-dimensional exploded view of Fig. 8;

Figure 11 is the other direction schematic diagram of Figure 10.

Detailed description of the invention

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As shown in Figure 1 to 11, this coded lock comprises lock housing 10, the lock box 40 that locking bar 20 is connected with coded lock assembly 30 and with lock housing 10 phase insertings, wherein, coded lock assembly 30 includes again the lock core pole 1 that lower end and lock box 40 fix and is nested with from below to up successively the rotating disk 2 on lock core pole, multiple cipher rings 3, spring 4 and gland 5, on each cipher ring, also cover has corresponding combination disk 6, this combination disk 6 and rotating disk 2 all part are exposed in the window of lock housing of coded lock, operate for user, between each combination disk 6 and corresponding cipher ring 3, there is clutch structure, in the present embodiment, this clutch structure adopts conventional structure, on the corresponding position of combination disk and cipher ring, be provided with intermeshing tooth a.The two ends of spring 4 are against between the cipher ring and gland 5 of the top, and gland 5 is positioned on lock core pole 1.

The rotation of above-mentioned rotating disk 2 can promote each cipher ring 3 and move axially on lock core pole 1, in order to realize this function, above-mentioned rotating disk 2 has a deep gouge 21 on the end face of corresponding cipher ring, there are two symmetrical ramps 22 in this deep gouge bottom design, in this deep gouge, be provided be enclosed within on described lock core pole and with the lock tube 7 that described cipher ring offsets, on this lock tube 7, there is the lower inclined plane 71 matching with this ramp.

The password mistake proofing of coded lock is established device and is comprised above-mentioned lock core pole 1, multiple combination disk 6, multiple cipher ring 3, pivoted arm 8 and rotating disk 2, and the below of above-mentioned rotating disk 2 has the side face that diameter is less, on the less side face of this diameter, has radial protrusion 23.The middle part of pivoted arm 8 is hinged in lock housing 10 by bearing pin, one end of this pivoted arm 8 has the inclined-plane relative with this projection 81, the other end of this pivoted arm is butted on lock core pole 1, and on described lock core pole 1, have a recess 11, close under state when lock box 40 and lock housing 10, the other end of this pivoted arm 8 can fall in this recess 11.

Simultaneously at rotating disk 2 and the other elastic component 9 that is provided with of multiple combination disk 6, in the present embodiment, this elastic component is designed to following structure: it includes main body 91 and extended multiple flexure strips 92 that can offset with the surface of corresponding combination disk, rotating disk from the side of main body, the Cross section Design of main body becomes ∩ shape structure, in lock housing, be provided with the spacer 101 that can be inserted in this main body, so that main body 91 is positioned in lock housing 10.On the free end of above-mentioned each flexure strip, there is kink 93, on the surface of rotating disk and combination disk, there is respectively the locating slot 24 and the stopper slot 61 that embed for the kink on corresponding flexure strip.

When use, in the time that combination disk is positioned at the position of proper password setting, the breach alignment on each cipher ring, lock core pole can move up and down, thereby can drive lock box to move up and down, and reaches the object of opening lock box and closing lock box.When lock box and lock housing are closed under state, now the other end of the recess on lock core pole and pivoted arm faces, as shown in Figure 2, at this moment, if rotate rotating disk, projection on rotating disk can promote one end of pivoted arm, because the pivoted arm one end of matching with projection is designed to inclined-plane, therefore a component of this thrust can impel pivoted arm to have the trend clockwise rotating, and pivoted arm can slightly rotate by means of the recess of lock core pole, to remove the stopping of projection, allow dial rotation.Now, ramp can promote lock tube and move on axially, and then can promote to move and Compress Spring on each cipher ring, makes each cipher ring leave combination disk, now can carry out password replacement by rotational password dish.

When under the state that lock box is opened, recess on lock core pole moves down along with moving down of lock core pole simultaneously, deviates from the other end of pivoted arm, as shown in Figure 9, at this moment, even rotation rotating disk, projection promotes pivoted arm and makes it have the trend of rotating around bearing pin, also because the other end and the stopping of lock core pole surface of pivoted arm can not rotate, rotating disk also just cannot rotate, and then can not remove the interlock between cipher ring and combination disk, combination disk also just can not be rotated, and under this state, password can not be set.

Claims (4)

1. device is established in the password mistake proofing of a coded lock, comprise the lock core pole fixing with the lock box of coded lock, be set in the multiple cipher rings on lock core pole and be enclosed within on lock core pole and can promote each cipher ring axially movable rotating disk on lock core pole, on each cipher ring, also cover has corresponding combination disk, described combination disk and rotating disk all part are exposed in the window of lock housing of coded lock, between each combination disk and corresponding cipher ring, there is clutch structure, it is characterized in that: on described rotating disk, there is radial protrusion, in described lock housing, be provided with pivoted arm simultaneously, the middle part of this pivoted arm is hinged in lock housing by bearing pin, one end of this pivoted arm has the inclined-plane with this projection relative engagement, the other end of this pivoted arm is butted on described lock core pole, and have recess on described lock core pole, when described lock box and lock housing are closed under state, the other end of this pivoted arm can fall in this recess.

2. device is established in the password mistake proofing of coded lock according to claim 1, it is characterized in that: described rotating disk has a deep gouge on the end face of corresponding cipher ring, there are two symmetrical ramps in this deep gouge bottom design, in this deep gouge, be provided be enclosed within on described lock core pole and with the lock tube that described cipher ring offsets, on this lock tube, there is the lower inclined plane matching with this ramp.

3. device is established in the password mistake proofing of coded lock according to claim 1 and 2, it is characterized in that: in described lock housing, be also provided with an elastic component, described elastic component includes the main body that is positioned in described lock housing and extended multiple flexure strips that can offset with the surface of corresponding combination disk, rotating disk from the side of main body, and on the free end of each flexure strip, have kink, on the surface of described rotating disk, each combination disk, interval has the locating slot and the stopper slot that embed for the kink on corresponding flexure strip.

4. device is established in the password mistake proofing of coded lock according to claim 3, it is characterized in that: in described lock housing, be provided with spacer, the Cross section Design of described main body becomes the ∩ shape structure of inserting for above-mentioned spacer.