CN2921202Y

CN2921202Y - Gear lock structure

Info

Publication number: CN2921202Y
Application number: CN 200620123638
Authority: CN
Inventors: 曾宝星
Original assignee: CHUANGHE Co Ltd
Current assignee: CHUANGHE Co Ltd
Priority date: 2006-07-10
Filing date: 2006-07-10
Publication date: 2007-07-11
Anticipated expiration: 2016-07-10

Abstract

The utility model is a gear lock structure, which is mainly composed of a lock shell, a master lock axis and other related accessories and is characterized in that the through hole arranged on the outer decoration panel of the shell is a centre hole type radiating outward a plurality of absence parts and in the formation of a corresponding sliding groove on the inner tube wall of the shell. The inside of the shell is used for the installation of one master lock axis. The master lock axis is that a lower bead bed is jacketed on the front section in polygon shape on the lock core, then the eight corresponding set of beads and a spring are disposed inside the eight bead troughs of the lower bead bed. Thus the protuberant points of the beads are exposed on the surface of the lower bead bed. After the assembly, the protuberant points are correspondingly fallen inside the sliding groove of the shell. Therefore, the through hole of the shell and the front section of the lock core are the designs of special shapes, and the lock can only be opened or locked with a special key.

Description

The gear lock structure

Technical field

The utility model relates to a kind of gear lock structure.

Background technology

The direction that the tubulose locksets that use such as drawer such as general cabinet, desk or official document cabinet, and the tongue piece that relies on tubulose lockset rear end to be extended, block are opened at door leaf or drawer more is to reach the effect that lock protects.

In addition, existing a kind of " the structure improved tubulose lockset of tool ", see also Fig. 1, described kind of tubulose lockset 10 is to include lock body 101, master control lock shaft 102, sleeve pipe 103 and plurality of compressed spring 104, cylinder 105, wherein lock body 101 is provided with outer plaque 1011, through hole 1012 and hitching post 1013, described sleeve pipe 103 has a fastening part 1031, can place for hitching post 1013 makes sleeve pipe 103 and lock body 101 affixed, described master control lock shaft 102 bodies are connected with a core, can have to establish compression spring 104 and cylinder 105 on body; It is characterized in that: cut on above-mentioned master control lock shaft body 102 outer rims and be provided with a plurality of C type arc groovings 1021, in each C type arc grooving 1021, can put with cylinder 105 for a compression spring 104, described cylinder 105 epireliefs have a jacking block 1051, in the time of in jacking block 1051 is received within C type arc grooving 1021, otch in the outer edge can make jacking block 1051 that an activity space is arranged; The degree of depth that relies on key to be preset can be relative identical with cylinder 105 jacking blocks 1051, when making the lock tooth plant on the master control lock shaft 102, cylinder 105 can compress spring 104 by roof pressure, and compression spring 104 there is different press forces according to cylinder 105 jacking blocks 1051 set distances, make each jacking block 1051 can be on the same straight line of default locking and unlatching, and make master control lock shaft 102 lockset can be rotated and then reach the purpose of opening or locking; Because tubular lockset 10 utilizations of described kind are in extensive range, and to appear in a large number on the market, the burglar considerably understands for the structure of described kind of lockset is existing, and therefore, its lock protects effect just have been reduced widely.

Hereat, this case utility model the designer study intensively once again, and long-pending individual is engaged in the many years of experience of described cause, and design a kind of brand-new gear lock structure, be used for supplying the disappearance of tubular lockset, it is that the lock housing through hole is designed to octagon, the core leading portion then is designed to polygon, therefore, the employed key of described lockset center offers the polygonal hole of corresponding core, convex with suitable lock tooth at the key outer wall, make described lockset must rely on described key it can be opened or closes, and improve the effect that the lockset lock protects.

Summary of the invention

Main purpose of the present utility model aims to provide a kind of lock and protects the better gear lock structure of effect.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of gear lock structure, it comprises a lock housing, master control lock shaft and other related accessory, and is able to a key and is opened or lock;

It is characterized in that: described lock housing, its front is to form an outer plaque, at described outer plaque center is to offer a through hole, described through hole is to be the pattern of centre bore to a plurality of scarce portions of external radiation, and on the inboard tube wall of lock housing, be formed with corresponding sliding tray, and the outer wall of described lock housing back segment is provided with the threaded portion, is spirally connected with a hold-down nut, and the opening upper limb in described lock housing rear end is provided with a limited section; Described master control lock shaft is made up of a core, lower bead seat, pad, catch, tongue piece, several pearls and spring, described core leading portion is to form polygonal pattern, its appropriate location offers three fixedly annular grooves in order to sheathed fixing described retainer ring, is the threaded portion at the core back segment; Described lower bead seat center is to offer the polygonal hole of passing for core, and its outer shroud sidewall offers the pearl groove of eight corresponding sliding trays; The appropriate location convexes with two salient points on the surface of described pearl the same side, and the salient point position on each pearl is all inequality; Described catch center offers the perforate of corresponding core shape, and outer rim forms the notch part that a restriction core and lock housing relatively rotate angle; Described tongue piece is to form a strip, and the coupling hole of a corresponding core shape is offered in the appropriate location above it;

In core fixedly annular groove foremost, be equipped with a retainer ring, lower bead seat penetrates described core, and the lower bead seat front end leans on the said fixing ring, also be arranged with a pad at the lower bead seat rear, and be located at second of core fixedly in the annular groove and be completely fixed the position of lower bead seat on core with Fixing shrink ring, and the pearl of described eight groups of correspondences and spring are placed in eight pearl grooves of lower bead seat, and being sockets, tongue piece and catch be fixed on the core rear end, described master control lock shaft is to be installed in lock housing inside, and the salient point correspondence of pearl falls to putting in the sliding tray in lock housing.

Described key center is the polygonal hole that offers corresponding core shape, and its external form is that corresponding lock housing through hole shape is made, and on its outer wall, being provided with eight lock teeth, the shape of described lock tooth is given prominence in the salient point position of periphery set with the pearl in length is corresponding lower bead seat.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: utilizing lock housing through hole and core leading portion is special shaped design, and must rely on a special key can carry out the unlatching or the locking of lockset, improve more and make lock protect effect, and the improvement of its structure, only need change position and quantity that pearl is placed on the peripheral pearl groove of lower bead seat, different with salient point position on each pearl allow the utility model open or the reference line of locking produces more changeableization and the effect that reduces cost of manufacture.

Description of drawings

Fig. 1 is the structural representation of existing tubulose lockset;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a combination schematic diagram of the present utility model;

Fig. 4 is a use schematic diagram of the present utility model.

Description of reference numerals: 10-tubulose lockset; The 101-lock body; The 1011-outer plaque; The 1012-through hole; The 1013-hitching post; 102-master control lock shaft; 1021-C type arc grooving; The 103-sleeve pipe; The 1031-fastening part; 104-compresses spring; The 105-cylinder; The 1051-jacking block; The 20-lock housing; The 201-outer plaque; The 2011-through hole; 2012-lacks portion; The 202-sliding tray; The 203-threaded portion; The 204-hold-down nut; The 205-limited section; 30-master control lock shaft; The 301-core; 3011-is annular groove fixedly; The 3012-threaded portion; The 302-lower bead seat; The 3021-polygonal hole; 3022-pearl groove; The 303-pad; The 304-catch; The 3041-notch part; The 305-tongue piece; The 3051-coupling hole; The 306-pearl; The 3061-salient point; The 307-spring; The 308-retainer ring; The 40-key; The 401-polygonal hole; 402-locks tooth.

The specific embodiment

Relevant structure of the present utility model, device and feature thereof are to lift a preferable possible embodiments and cooperate graphic being described in detail as follows:

The Fig. 2, shown in Figure 3 that please arrange in pairs or groups, gear lock structure of the present utility model, a lock housing 20, master control lock shaft 30 and other related accessory are formed, and are able to a special key 40 and are opened or lock, wherein;

Described lock housing 20, its front is to form an outer plaque 201, at described outer plaque 201 centers is to offer a through hole 2011, described through hole 2011 is to be the pattern of centre bore to a plurality of scarce portions 2012 of external radiation, and on lock housing 20 inboard tube walls, be formed with corresponding sliding tray 202, and the outer wall of described lock housing 20 back segments is provided with threaded portion 203, must make the usefulness that is spirally connected with a suitable hold-down nut 204, according to and described lock housing 10 can be fixed on cabinet, in the fixing hole that the door leaf of desk etc. or drawer are offered in advance, the opening upper limb in described lock housing 20 rear ends is provided with a limited section 205;

Described master control lock shaft 30, it is made up of with spring 307 core 301, lower bead seat 302, pad 303, catch 304, tongue piece 305, several pearls 306, described core 301 leading portions are to form polygonal pattern, its appropriate location offers three fixedly annular grooves 3011, fixing in order to sheathed retainer ring 308, is threaded portion 3012 at core 301 back segments; Described lower bead seat 302 centers are to offer the polygonal hole 3021 of passing for core 301, and its outer shroud sidewall offers the pearl groove 3022 of eight corresponding sliding trays 202; The appropriate location convexes with two salient points 3061 on the surface of described pearl 306 the same sides, and salient point 3061 positions on each pearl 306 are all inequality; Described catch 304 centers offer the perforate of corresponding core 301 shapes, and outer rim forms the notch part 3041 that a restriction core 301 and lock housing 20 relatively rotate angle; Described tongue piece 305 is to form a strip, and the coupling hole 3051 of corresponding core 301 shapes is offered in the appropriate location above it.

When above-mentioned lock housing 20 is assembled with master control lock shaft 30, at first, it is the part of carrying out lower bead seat 302 and core 301 assemblings, it is to be nested with a retainer ring 308 earlier in core 301 fixedly annular groove 3011 foremost, then lower bead seat 302 is penetrated described core 301, and lower bead seat 302 front ends are leaned at said fixing ring 308, the sheathed again pad 303 at lower bead seat 302 rears, and be set in 301 second of cores fixedly in the annular groove 3011 and be completely fixed the position of lower bead seat 302 on core 301 with retainer ring 308, and eight groups pearl 306 and spring 307 are put into eight pearl grooves 3022 of lower bead seat 302, and tongue piece 304 is that socket is fixed on core 301 rear ends with catch 305, be to be installed in lock housing 20 inside at last again with master control lock shaft 30, the salient point 3061 that makes pearl 306 is that correspondence falls to putting in the sliding tray 202 in lock housing 20.

Described key 40, its center is the polygonal hole 401 that offers corresponding core 301 shapes, and the shape of corresponding lock housing 1020 through holes 2011 of external form, and on its outer wall, being provided with eight lock teeth 402, the shape of described lock tooth 402 is given prominence in salient point 3061 positions of periphery set with the pearl 306 in length is corresponding lower bead seat 302.

See also Fig. 4, the utility model in use, be with after the alignment point on the alignment point aligning core 301 of key 40, insert in the through hole 2011 of lock housing 20 outer plaques 201, described key 40 centers are the polygonal hole 401 that offer corresponding core 301 shapes, and its external form is that corresponding lock housing 20 through holes 2011 shapes are made, and on its outer wall, be provided with eight the lock teeth 402, and salient point 3061 positions of protruding on 40 predetermined depth that can insert of described key and the master control lock shaft 30 are corresponding, lock tooth 402 is planted behind the master control lock shaft 30, but pearl 306 salient points 3061 of proper roof pressure correspondence and then compression spring 307, because the set degree of depth of each lock tooth 402 pairs of pearl 306 salient points 3061 is all different, different press forces is also arranged when therefore it compresses spring 307, the salient point 3061 of each pearl 306 can be arrived on the default same straight line, and rotatable master control lock shaft 30 reach the purpose of opening or locking.

In sum, the utility model gear lock structure is that to utilize lock housing through hole and core leading portion be special shaped design, and must rely on a special key can carry out the unlatching or the locking of lockset, improve more and make lock protect effect, and the improvement of its structure, only need change position and quantity that pearl is placed on the peripheral pearl groove of lower bead seat, different with salient point position on each pearl allow the utility model open or the reference line of locking produces more changeableization and the effect that reduces cost of manufacture.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1. gear lock structure, it comprises a lock housing, master control lock shaft and other related accessory, and is able to a key and is opened or lock;

In core fixedly annular groove foremost, be equipped with a retainer ring, lower bead seat penetrates described core, and lower bead seat front end item leans against on the said fixing ring, also be arranged with a pad at the lower bead seat rear, and be located at second of core fixedly in the annular groove and be completely fixed the position of lower bead seat on core with Fixing shrink ring, and the pearl of described eight groups of correspondences and spring are placed in eight pearl grooves of lower bead seat, and being sockets, tongue piece and catch be fixed on the core rear end, described master control lock shaft is to be installed in lock housing inside, and the salient point correspondence of pearl falls to putting in the sliding tray in lock housing.

2. gear lock structure according to claim 1, it is characterized in that: described key center is the polygonal hole that offers corresponding core shape, and its external form is that corresponding lock housing through hole shape is made, and on its outer wall, being provided with eight lock teeth, the shape of described lock tooth is given prominence in the salient point position of periphery set with the pearl in length is corresponding lower bead seat.