CN2781545Y

CN2781545Y - Prepositioning master lock

Info

Publication number: CN2781545Y
Application number: CN 200520039061
Authority: CN
Inventors: 陈小萍
Original assignee: Shanghai Peng Ren Electrical Appliance Co Ltd; SHANGHAI ELX INDUSTRY Co Ltd
Current assignee: Shanghai Peng Ren Electrical Appliance Co Ltd; SHANGHAI ELX INDUSTRY Co Ltd
Priority date: 2005-01-18
Filing date: 2005-01-18
Publication date: 2006-05-17
Anticipated expiration: 2015-01-18

Abstract

The utility model relates to a prepositioning master lock arranged on a universal conversion switch with a lock, which comprises a five-sheet type lock core, a lock shell and a corresponding key. The utility model is characterized in that the outer side of the five-sheet type lock core in the lock shell is sheathed with a positioning shaft sleeve, end surfaces of which are parallel to the lock shell, a clamping sheet which projects out of the circular surface of the lock core is inserted in one end groove of a lock core sheet of the five-sheet type lock core, the clamping sheet, the positioning shaft sleeve is a step-shaped sleeve barrel, the inner wall of the junction of steps is provided with two positioning points C and D with a manually set differential angle, and one end of the positioning shaft sleeve is provided with two opening grooves with central differential angle of 180 DEG. The opening grooves and the groove of the lock shell are in same rotation surface, and the clamping sheet can clamp the positioning points C and D when rotating following the lock core. The utility model has the function that the key can be taken out after the operation of preset position is carried out. In addition, lock cores are up to more than 200 kinds, so that the same lock rate is reduced and the wrong operation of the conversion switch is avoided.

Description

Pre-determined bit slice, thin piece lock

One, technical field:

The utility model relates to a kind of lockset, particularly discloses a kind of pre-determined bit slice, thin piece lock, is applied on the universal seclector with lock.

Two, background technology:

Universal seclector with lock is the operation of carrying out various angles according to customer requirements, is the electrical equipment of purpose to reach the switching low-voltage control circuit.In some specific occasions, the user generally can require lock switch to be merely able to extract key on certain predetermined position, to reach safety operation.

Three, summary of the invention:

This case inventor has developed five chip lock cores in the slice, thin piece lock, in lock core, be provided with 5 spaced locking plates, there is boss at two up and down of locking plate, offer the rectangular opening of ganging up key on the central plane, locking plate integral body is looked exactly like a gunnery target, three kinds of level altitudes are established in the rectangular opening position, each locking plate is selected a kind of in three kinds of level altitudes, every lock is a kind of of 5 locking plate differing heights permutation and combination, each locking plate is provided with spring at the locking plate groove, and 5 locking plates locking plate boss under the spring force effect is stuck in the lock housing body in the arc groove, and making it lock core can not rotate, realize pinning purpose, valid key just makes locking plate jack-up unblank.This lock has applied for that (number of patent application: 200520038712.9), this place is not described further patent.On this basis, this case inventor has designed again and a kind ofly can be created in the function of key is taken out in the precalculated position after operation pre-determined bit slice, thin piece lock.

The utility model is achieved in that the pre-determined bit slice, thin piece lock of a kind of device on universal seclector with lock, comprise five chip lock cores, lock housing body and corresponding key, it is characterized in that: the five chip lock cores outside is with the location axle sleeve that end face flushes with the lock housing body in the lock housing body, be inserted with card in five lock core lock core chip end grooves, this card protrudes the lock core circular surfaces, the location axle sleeve is the step sleeve, step junction inwall is provided with two the anchor point C and the D of artificial setting shift angle, one end of location axle sleeve has two open slots of 180 ° of center potential differences, groove is on same plane of rotation on this groove and the lock housing body, when rotating with lock core, card has an opportunity to block anchor point C or D, on the outside location-plate of on the lock housing body and location axle sleeve, ball and the spring that adapts to the switch shelves is set, spring is being oppressed ball, ball moves along the plane there is active force in the plane, and ball distribution circumference on location-plate is complementary with the detent circumference of locating axle sleeve.

Lock core of the present utility model can have kind more than 200, has significantly reduced with the lock rate, has avoided the misoperation of change over switch, and can also produce predetermined bit positions is taken out key after operation function, and is convenient for users to use, increases the fail safe of operation.

Four, description of drawings:

Accompanying drawing 1 is the utility model structure chart;

Accompanying drawing 2 is the utility model location-plate structure charts;

Accompanying drawing 3 is that the A of Fig. 1 is to view;

Accompanying drawing 4 is that the F of Fig. 2 is to view.

Accompanying drawing 5 is location axle sleeve 1 locations drawing when key can not pull out after the switch rotation.

In the drawings: 1, location axle sleeve; 2, lock housing body; 3, lock core; 4, key; 5, locking plate; 6, spring; 7, locking plate; 8, locking plate; 9, card; 10, ball; 11, spring; 12, spring; 13, ball; 14, location-plate.

Five, embodiment:

At first, the groove when groove of locating axle sleeve 1 and lock housing body 2 just can insert (or extracting) rotation (as 0 ° of position) to seasonable key 4.Secondly, with reference to the accompanying

drawings

3,4, when the switch need of work rotates (as left-handed G °), because location axle sleeve 1 is not set spacing point in this scope, and it is motionless to withstand on holding position, B place under ball 10 and spring 11 power effects, so locate this moment on the axle sleeve 1 groove still with the groove correspondence of lock housing body 2, lock core is done idle stroke; When switch continues rotation, card 9 on the lock core blocks spacing some C on the axle sleeve 1 of location, the active force that makes lock core drive location axle sleeve 1 overcome ball 10 and spring 11 rotates synchronously, under driving, key 4 rotates to after certain angle (as at H °) stops, location axle sleeve 1 can be stuck in the B place by the scheduled ball 13 that is arranged on this place under spring 12 power effects, this moment locatees the groove of axle sleeve 1 and the groove on the lock housing body 2 misplaces; When key 4 circles round original position (0 °), because the location does not have on the axle sleeve 1 spacing point to block card 9 on the lock core 3, make location axle sleeve 1 under spring 12 power effects, can not follow lock core 3 and get back to original position at ball 13, the groove and the groove on the lock housing body 2 of locating this moment on the axle sleeve 1 still are in the dislocation state so that key 4 can not be extracted, must continue to rotate a certain angle, the spacing some D that allows card 9 on the lock core 3 drive on the axle sleeves 1 of location rotates to original position (i.e. 0 ° of position), key 4 circles round to original position (0 ° of position) then, do not hinder its motion because of in this circles round, locating axle sleeve 1 upper limit site, so the time making under ball 13 and the spring 12 power effects that the groove on the axle sleeve 1 of location is still corresponding with groove on the lock housing body 2.So far key 4 can be extracted from lock.

Claims

1, the pre-determined bit slice, thin piece lock of a kind of device on universal seclector with lock, comprise five chip lock cores, lock housing body and corresponding key, it is characterized in that: the five chip lock cores outside is with the location axle sleeve that end face flushes with the lock housing body in the lock housing body, be inserted with card in five lock core lock core chip end grooves, this card protrudes the lock core circular surfaces, the location axle sleeve is the step sleeve, step junction inwall is provided with two the anchor point C and the D of artificial setting shift angle, one end of location axle sleeve has two open slots of 180 ° of center potential differences, groove is on same plane of rotation on this groove and the lock housing body, on the outside location-plate of on the lock housing body and location axle sleeve ball and the spring that adapts to the switch shelves is set, ball detent circumference of distribution circumference and location axle sleeve on location-plate is complementary.

2, pre-determined bit slice, thin piece lock according to claim 1, it is characterized in that: described five chip lock cores promptly are to be provided with 5 spaced locking plates in the lock core, there is boss at two up and down of locking plate, offer the rectangular opening of ganging up key on the central plane, three kinds of level altitudes are established in the rectangular opening position, each locking plate is selected a kind of in three kinds of level altitudes, and every lock is a kind of of 5 locking plate rectangular opening differing heights permutation and combination, and each locking plate is provided with spring at the locking plate groove.