CN202450867U

CN202450867U - Lock

Info

Publication number: CN202450867U
Application number: CN2011205423979U
Authority: CN
Inventors: 赵向春
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-22
Filing date: 2011-12-22
Publication date: 2012-09-26
Anticipated expiration: 2021-12-22

Abstract

The utility model discloses a lock, which includes a lock core sleeve, a lock core, accommodating grooves, two rows of accommodating hole grooves, a group of clutch pins, blade groups, reset springs and a drive shaft, wherein symmetrical accommodating passages are axially arranged on the two sides of the lock core sleeve; the lock core axially penetrates through the key hole of the lock core; the accommodating grooves are axially arranged above and under the lock core in a symmetrical way and used for accommodating the clutch pins; the two rows of accommodating hole grooves are used for accommodating the blade groups and the reset springs; the lock core is accommodated in the lock core sleeve; the group of clutch pins are embedded in the accommodating grooves respectively, at least one pit used for accommodating a pressure spring is formed on the outer wall of the clutch pin, and the inner wall of the clutch pin is convex cylinder-shaped; each blade group consists of two blades, the top end of the blade is provided with a pin, and a groove corresponding to the convex cylinder of the clutch pin is arranged on the outer side of the blade; the reset springs act on the two ends of the blade; and the rotating shaft is provided with an I-shaped groove, rotates with the clutch pins with a matching way, and is internally provided with a spring and a pair of locking beads. Compared with the prior art, the lock has the advantages that the structure is simple, two rows of outer gears are provided, the burglar-proof performance is high, and the clutch abrasion at the tail part of the lock is little.

Description

A kind of lock

Technical field

The key that the utility model relates to lockset and matches.

Background technology

The lockset that is provided with idle-run lock pin is comparatively popular in the market a kind of lock; The structure of this lockset forms by the pellet shot from a slingshot of lock body, idle-run lock pin, pellet shot from a slingshot return spring, band V-shaped groove with the locking side column mechanism of its coupling is equipped usually; The lock of this structure is owing to wherein be single setting with the pellet shot from a slingshot of V-shaped groove and the locking side column mechanism that matches; Therefore along with the increase of lockset sales volume, the mutual opening rate of this lock also increases thereupon, and safety decreases.

The lockset that also has in addition has forward and backward lock core and is located at lock pin and the lock pin back-moving spring in the rear lock core, and lock core was realized before the clutch of front and back lock core got into or withdraws from through lock pin.This clutch structure is in use owing to frequently unblank to close lock for a long time; The lock pin back-moving spring can produce metal fatigue, and elasticity weakens, and adds the abrasive dust of component and the dirt that dust forms; Its elasticity further weakens; So that when unblanking lock pin is resetted, lock always is in idling conditions and can't unblanks, the reliability of influence lock.

The utility model content

The purpose of the utility model is to provide a kind of lock.

An aspect according to the utility model provides a kind of lock, comprising:

The lock body overcoat,

Be placed in the lock core cover in the lock body overcoat, its both sides axially are provided with the holding channel of symmetry;

Lock core comprises: the key eyelet that axially runs through lock core; Axially correspondence is arranged at about the lock core, in order to the storage tank of ccontaining on-of pin; Some ccontaining hole slots that the lock core left and right sides is provided with in order to ccontaining vane group and back-moving spring; Lock core is placed in the lock core cover;

On-of pin is arranged in the storage tank, and the outer wall of on-of pin is provided with pit, and the inwall of on-of pin is convex cylinder, is provided with compression spring in the pit; The on-of pin projection matches with the groove in the blade outside; Wherein, the effect through compression spring makes that on-of pin inside and outside moves, clutch is more smooth and easy, increases the durability of each component.

Vane group, each vane group is made up of two blades, and with the corresponding one by one embedding of ccontaining hole slot, blade tip has pin, and the blade outside has and on-of pin projection corresponding groove;

Action of reset spring is in the blade two ends.

Power transmission shaft is provided with the I-shaped groove and cooperates rotation with on-of pin, is provided with spring and pair of locking pearl in the I-shaped groove; Power transmission shaft is arranged at the bottom of lock core, through the setting of power transmission shaft, has reduced the wearing and tearing of clutch process relatively.

Blade makes the groove in the blade outside match with the on-of pin projection under the effect of key that is complementary and back-moving spring, and on-of pin in the lock core and power transmission shaft closure are connected as a single entity, and rotational lock core drives the rotation of lock core cover and unblanks.Lock core is inserted when reversing as brute force from keyhole by special instrument, has only lock core to rotate thereupon, and lockset can be by unnormal unlocking.

In some embodiments, offer six groups of vane group in the lock core, close spoon property is high.

In some embodiments, the lock body overcoat also is provided with the anti-drilling lid of lock body, has strengthened protection for position, lock core gap, but Prying-resistant and drilling-resistant, and reliability is high.

Another purpose of the utility model is to provide a kind of key of lock coupling of and the utility model.

An aspect according to the utility model provides a kind of key, comprises the shank of the key and key body, and key body is provided with tartar, and tartar is double.Make the groove of being located at the blade outside be linked as a line through pin and also can supply the inboard coupling of on-of pin to embed tartar, the double probability of opening mutually of key that is arranged so that of this tartar reduces the safety raising.

In some embodiments, the key body both sides of the edge all correspondence offer tartar.Tartar is corresponding to be provided with, and makes the key tow sides can open door lock, practical.Above-mentioned Key structure is simple, be easy to processing, lower, the close spoon of cost property is high.

Description of drawings

Fig. 1 is the structural representation of the lock of a kind of embodiment of the utility model.

Fig. 2 locks a kind of schematic cross-section of lock core of embodiment for the utility model.

Fig. 3 is the vane group schematic cross-section of the lock of a kind of embodiment of the utility model.

Fig. 4 is the blade sketch map of the lock of a kind of embodiment of the utility model.

Fig. 5 is the schematic cross-section of on-of pin of the lock of a kind of embodiment of the utility model.

Fig. 6 is another schematic cross-section of on-of pin of the lock of a kind of embodiment of the utility model.

Fig. 7 is the key sketch map with the lock of a kind of embodiment of the utility model coupling.

The specific embodiment

Referring to figs. 1 to 7, the idle running anti-theft lock of a kind of embodiment of the utility model comprises power transmission shaft 1, on-of pin 2, lock core 3, lock core cover 4, lock body overcoat 5, the anti-drilling lid 6 of lock body.Lock core 3 is placed in the lock core cover 4 and can rotates relative to lock core cover 4, and lock core overlaps the holding channel that 4 both sides axially are provided with symmetry, and lock body overcoat 5 is placed in the anti-drilling lid 6 of lock body; Power transmission shaft 1 is provided with " worker " word groove and cooperates with on-of pin 2, is provided with spring 11 and pair of locking pearl 12 in " worker " word groove, and " worker " word groove on the power transmission shaft 1 is corresponding with the top of on-of pin 2.The inwall of on-of pin 2 is provided with projection 21, and the outer wall of on-of pin 2 is provided with two pits 22, in order to ccontaining compression spring 34; The key eyelet 32 that axially runs through lock core 3 is set on the lock core 3; Storage tank 31 is symmetricly set in lock core about in the of 3 vertically, and in order to ccontaining on-of pin 2, ccontaining hole slot 33 is located at lock core 3 left and right sides, and in order to ccontaining vane group 7, vane group is made as six, and close spoon property is high.The setting of power transmission shaft has reduced the wearing and tearing of clutch process relatively.

Each vane group 7 is made up of two blades 71; The top of blade 71 is provided with pin 72, and the outside of blade 71 is provided with groove 73, and groove 73 adapts with the shape of on-of pin 2 inwall projections 21; Position according to groove 73 is different, like the A among Fig. 4, B, C three kinds of dissimilar blades 71 is shown; The back-moving spring setting also acts on the two ends of blade 71; Vane group 7 is placed in the ccontaining hole slot 33 on the lock core 3 and installs back-moving spring; On-of pin 2 is placed in the storage tank 31 of lock core 3 side axial and installs compression spring 34; Effect through compression spring 34 makes that on-of pin 2 inside and outside moves, clutch is more smooth and easy, increases the durability of each component.Cover upper lock core cover 4 connects power transmission shaft 1, installs spring 11 and pair of locking pearl 12 in the I-shaped groove; Sheathed more at last lock body overcoat 5 fixes the anti-drilling lid 6 of lock body of lock body overcoat 5 lateral surfaces, whole lock assembled.The anti-drilling lid 6 of lock body has strengthened protection for position, lock core gap, but Prying-resistant and drilling-resistant, and reliability is high.When special instrument reverses as brute force from the keyhole insertion, have only lock core to rotate thereupon, can not drive power transmission shaft and rotate, prevented that lock is by unnormal unlocking.

The key 8 that a kind of and lock the utility model are complementary comprises the shank of the key 81, key body 82, is double tartar with vane group 7 is complementary on the key body 82, and the double probability of opening mutually of key that is arranged so that of tartar reduces, and safety improves.The corresponding setting about tartar, like this, the key eyelet 31 that insert on the lock core 3 key 8 positive and negative can be opened lock, and is easy to use.

When unblanking; Behind key 8 insertion key eyelets 32, vane group 7 laterally moves under the effect of back-moving spring, and on-of pin 2 is done inside and outside clutch under groove 73 active forces; One end of on-of pin 2 gets into " worker " word groove; On-of pin 2 is connected as a single entity with power transmission shaft 1 closure, and twisting key 8 just can rotate through on-of pin 2 drive power transmission shafts 1 and lock core cover 4, thereby lock is opened; Under the blocking, the on-of pin 2 in the lock core 3 separates with power transmission shaft 1, and lock core 3 can rotate arbitrarily and lock and not be unlocked, and can effectively defend unblanking by force of special instrument, and theftproof performance is improved widely.

Present embodiment is merely the preferred implementation of the utility model; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite of the main body design that does not break away from the utility model; Can also make some distortion and improvement, these also should be regarded as belonging to the protection domain of the utility model.

Claims

1. a lock is characterized in that, comprises

The lock body overcoat,

Lock core cover, its both sides axially are provided with the holding channel of symmetry, and this lock core cover is placed in the said lock body overcoat;

Lock core is placed in the lock core cover, comprising: the key eyelet that axially runs through lock core; Axially be symmetricly set in about the lock core, in order to the storage tank of ccontaining on-of pin; Some ccontaining hole slots that the lock core left and right sides is provided with in order to ccontaining vane group and back-moving spring;

On-of pin is arranged in the storage tank, and the outer wall of said on-of pin is provided with pit, inwall is convex cylinder, is provided with compression spring in the said pit;

Vane group is made up of two blades, and with the corresponding one by one embedding of ccontaining hole slot, blade tip has pin, and the outside has the groove that cooperates with the on-of pin projection;

Back-moving spring acts on the blade two ends;

Power transmission shaft is provided with the I-shaped groove and cooperates rotation with on-of pin, is provided with spring and pair of locking pearl in the described I-shaped groove.

2. lock according to claim 1 is characterized in that: described vane group is six groups.

3. lock according to claim 1 is characterized in that: described lock body overcoat also is provided with the anti-drilling lid of lock body.