CN2486673Y

CN2486673Y - Keying lock

Info

Publication number: CN2486673Y
Application number: CN 01248742
Authority: CN
Inventors: 王杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-19
Filing date: 2001-07-19
Publication date: 2002-04-17
Anticipated expiration: 2011-07-19

Abstract

A key-press lock relates to an improvement of a structure of a mechanical key-press lock. The utility model mainly aims at solving the safety and reliability problem of the mechanical key-press lock in prior art, with structure key points that a front lock body and a back lock body are provided with a normal-closed press key and a normal-open press key. Restoration plates which are provided with a positioning slot, a lock-tongue of a guide groove, and a guide groove are respectively arranged on a convex shaft of the normal-closed press keys, on a convex shaft of the normal-open press key and between the front lock body and the back lock body. A guide sleeve on an open-close handle is contacted with the restoration plates. A spring is arranged between the restoration plates and the lock-tongue. A locking shaft corresponding with a locking hole of the positioning slot, a groove and a groove are sequentially arranged between the convex shaft of the normal-closed press key, the convex shaft of the normal-open press key and the guild shaft. Chamfers are respectively arranged between the groove and the locking shaft and between the groove and the guide axle. The normal-closed press key and the normal-open press key can be multiply set according to requirement, which enhances the safety and reliability of the lock.

Description

Press-key lock

Technical field:

Press-key lock relates to the improvement of mechanical type press-key lock structure.

Background technology:

Press-key lock generally is divided into electronic type press-key lock, mechanical type press-key lock.The major defect of electronic type press-key lock is to be difficult to maintenance, particularly power failure in a single day, and this lock just can not be worked; Prior mechanical press-key lock (for example, the press-key lock of bicycle), its structure is unreasonable, and security reliability is poor, and therefore, use occasion has been subjected to very big restriction.

Summary of the invention:

The utility model mainly solves the security reliability problem of existing machinery formula press-key lock.

The utility model comprises housing, housing is by procapsid, back casing is formed, its structural feature is at procapsid, back casing is provided with the normally closed button that can go here and there, often open button, the protruding axle of normally closed button, often open the protruding axle and the procapsid of button, be respectively arranged with between the back casing and have locating slot, the dead bolt of guide groove, restoring board with guide groove, opening and closing the guide pin bushing that is provided with on the handle contacts with restoring board, has spring between restoring board and the dead bolt, protruding axle at normally closed ammonium key, often open between the protruding axle of button and the guide shaft and be disposed with and the corresponding lock shaft of the lock hole of locating slot, groove and groove, between groove and the lock shaft, has chamfering between groove and the guide shaft respectively, the lock hole of the locating slot of dead bolt is at least more than the number of 2 lock shaft, corresponding to the groove of the guide shaft of normally closed button, the procapsid of the side of the groove of the guide shaft of normally open key is provided with has ball, the slotted eye of spring.

Lock bolt sleeve of the present utility model places and opens and closes on the handle, therefore, drives very easily by opening and closing handle that dead bolt moves, unblanks, block action; Normally closed button of the present utility model can be provided with a plurality of as required, and can a plurality ofly be provided with again and often open button, has just more increased the confidentiality of this lock, has promptly increased the security reliability of this lock.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

1, open and close handle, 2, often open button, 3, normally closed button, 4, cover plate.

Fig. 2 is the A-A sectional view of Fig. 1;

5, procapsid, 6, groove, 7, guide shaft, 8, chamfering, 9, groove, 10, protruding axle, 11, groove, 12, guide shaft, 13, groove, 14, chamfering, 15, lock shaft, 16, protruding axle, 17, restoring board, 18, dead bolt, 19, back casing, 20, housing.

Fig. 3 is the B-B sectional view of Fig. 1;

21, guide pin bushing, 22, spring, 23, ball, 24, spring, 25, slotted eye.

Fig. 4 is the C-C sectional view of Fig. 1;

26, guide groove, 27, alignment pin, 28, guide groove, 29, guide groove, 30, guide groove, 31, guide groove.

Fig. 5 is the front view of dead bolt;

32, locating slot, 33, lock hole.

Fig. 6 is the front view of procapsid;

Fig. 7 is the front view of back casing;

Fig. 8 is the front view of restoring board.

The specific embodiment:

The utility model comprises housing 20, housing 20 is by procapsid 5, back casing 19 is formed, at procapsid 5, back casing 19 is provided with the normally closed button 3 that can go here and there, often open button 2, the protruding axle 16 of normally closed button 3, often open the protruding axle 10 and procapsid 5 of button 2, be respectively arranged with between the back casing 19 and have locating slot 32, the dead bolt 18 of guide groove 26, restoring board 17 with guide groove 30, opening and closing the guide pin bushing 21 that is provided with on the handle 1 contacts with restoring board 17, has spring 22 between restoring board 17 and the dead bolt 18, protruding axle 16 at normally closed ammonium key 3, often open the protruding axle 10 and guide shaft 12 of button 2, be disposed with lock hole 33 corresponding lock shaft 15 between the guide shaft 7 with locating slot 32, groove 13 and groove 9, between groove 13 and the lock shaft 15, has chamfering 14 respectively between groove 9 and the guide shaft 7, chamfering 8, the lock hole 33 of the locating slot 32 of dead bolt 18 is at least more than the number of 2 lock shaft 15, corresponding to the groove 11 of the guide shaft 12 of normally closed button 3, the procapsid 5 of the side of the groove 6 of the guide shaft 7 of normally open key 2 is provided with has ball 23, the slotted eye 25 of spring 24.

For making outward appearance of the present utility model better, can be outside equipped with cover plate 4 at procapsid 5.

Narrate a course of action of the present utility model below:

Unlocking condition:

At first press normally closed button 3, make lock shaft 15 on the normally closed button 3 leave lock hole 33 on the locating slot 32 of dead bolt 18, at this moment, just can be along the guide groove 29 of procapsid 5, the guide groove 31 of back casing 19, the guide groove 30 of restoring board 17, the guide groove 28 of cover plate 4, remove in the qualification bottom left of alignment pin 27 and to close handle 1, dead bolt 18 moves to left thereupon; Pulling opens and closes handle 1 reach again, and under the effect of guide pin bushing 21, restoring board 17 moves forward thereupon; At this moment, the lock shaft 15 of normally closed button 3 falls within the next lock hole 33 of locating slot 32 of dead bolt 18, promptly finishes unlocking condition.

Shut state:

At first press normally closed button 3, make the lock shaft 15 of normally closed button 3 leave lock hole 33 on the locating slot 32 of dead bolt 18; At this moment, the dead bolt 18 that can move to right; Pulling opens and closes handle 1 reach again, and restoring board 17 moves forward thereupon, and the lock shaft 15 of normally closed button 3 is fallen within the next lock hole 33 of dead bolt 18, promptly completely shuts state.

Claims

1, press-key lock comprises housing (20), housing (20) is by procapsid (5), back casing (19) is formed, it is characterized in that procapsid (5), back casing (19) is provided with the normally closed button (3) that can go here and there, often open button (2), the protruding axle (16) of normally closed button (3), often open the protruding axle (10) and procapsid (5) of button (2), be respectively arranged with between the back casing (19) and have locating slot (32), the dead bolt (18) of guide groove (26), restoring board (17) with guide groove (30), switching handle (1) is gone up the same restoring board of guide pin bushing (21) (17) that is provided with and is contacted, has spring (22) between restoring board (17) and the dead bolt (18), protruding axle (16) at normally closed ammonium key (3), often open the protruding axle (10) and guide shaft (12) of button (2), be disposed with between the guide shaft (7) and the corresponding lock shaft (15) of the lock hole (33) of locating slot (32), groove (13) and groove (9), between groove (13) and the lock shaft (15), has chamfering (14) respectively between groove (9) and the guide shaft (7), chamfering (8), the lock hole (33) of the locating slot (32) of dead bolt (18) is at least more than the number of 2 lock shaft (15), corresponding to the groove (11) of the guide shaft (12) of normally closed button (3), the procapsid (5) of the side of the groove (6) of the guide shaft (7) of normally open key (2) is provided with has ball (23), the slotted eye (25) of spring (24).