CN2895638Y

CN2895638Y - Built-in idling-type leaf lock

Info

Publication number: CN2895638Y
Application number: CN 200620033856
Authority: CN
Inventors: 张伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-17
Filing date: 2006-04-17
Publication date: 2007-05-02
Anticipated expiration: 2016-04-17

Abstract

A lock head with embedded idling blades comprises a shell, a lock barrel arranged inside the shell, a ring groove, a positioning groove, a lock barrel orifice and a rear cover above the lock barrel orifice. The lock barrel is composed of an idling barrel and a driving check ring. A ring groove and positioning groove are arranged on the idling barrel and a blade groove is provided in the idling groove. An upper and lower blades and a spring are arranged inside the blade groove. The convex parts respectively arranged above and beneath the driving check ring are jacketed on the ring groove. A pressure spring is provided between the idling barrel and the rear cover. Compared with the prior art, the advantages of the utility model are that the lock barrel is divided into two parts, which are the idling barrel and the driving check ring. When an incorrect key is inserted, the idling barrel cannot drive the driving check ring. At this moment, the idling barrel can rotate freely. The lock barrel is embedded inside the lock shell, so that the unlocking after the demolishment of the lock barrel can be prevented.

Description

Built-in idle running type Mortise lock

Technical field

The utility model relates to the tapered end technology, specifically is a kind of built-in idle running type Mortise lock.

Technical background

At present, traditional mechanical Mortise lock probably is divided into two-layerly, promptly locks shell and lock core, inserts key; Lock core can rotate with the lock shell, and the rotation plectrum that is installed in the lock core afterbody rotates, and reaches the function of unblanking, the lock of this structure is opened by robber's insertion instrument easily, when lock shell and lock core relatively rotated, the expression lock was unlocked, and disguise and theftproof are perfect not enough.

Summary of the invention

The purpose of this utility model overcomes above-mentioned shortcoming exactly, provides a kind of disguise better, strengthens theftproof performance, the built-in idle running type Mortise lock of perfect in shape and function.

The purpose of this utility model is achieved in that a kind of built-in idle running type Mortise lock, comprise shell and in the lock core established, cannelure, locating slot, lock core hole and on bonnet; Its lock core is dialled to enclose by idling core and transmission stop bit and is formed, and its idling core is provided with cannelure, and axial groove is provided with a page film trap in its idling core, be provided with a page or leaf sheet, nextpage sheet in the page or leaf film trap, spring; Its transmission stop bit is dialled the upper and lower lug boss that is respectively equipped with of circle, and is placed on the cannelure; Be provided with compression spring between idling core and the bonnet.

Cannelure is corresponding with the set position of page or leaf film trap.

Last page or leaf sheet and nextpage sheet 5 and locking shell hole are for being slidingly matched.

Idling core is loaded in the lock shell, and last page or leaf sheet, nextpage sheet slide with lock core hole and match.Go up the page or leaf sheet, nextpage sheet of page or leaf in the film trap is stuck in the corresponding cannelure stretching out under the leaf spring effect, makes idling core can not advance, retreat in the lock shell, can only left rotation and right rotation.The transmission stop bit is dialled circle and is loaded in the lock shell upper limit position groove.Locking bolt is dialled circle to reach by the transmission stop bit and is blocked and can not advance under the pressure of spring.Rear lid case seal idling core and transmission stop bit dial circle can not after withdraw.In firmly idling core being pressed into the lock shell, make the transmission stop bit dial circle, break away from axial groove, enter in the cannelure, and turn an angle, just can extract key out.After extracting key out, last page or leaf sheet, nextpage sheet enter under the effect of leaf spring in the cannelure of lock shell, make the idling core can not forward-reverse, and at this moment the transmission stop bit is dialled circle in cannelure, and the rotation idling core just can not drive the transmission stop bit and dial circle, just can not unblank.Insert key, key enters the key the inside, and the effect that last page or leaf sheet, nextpage sheet overcome leaf spring is moved, and makes blade, nextpage sheet, on the income idling core in page film trap.The pressure of compression spring act on idling core axially on idling core is gone ahead, but the following protuberance of being dialled circle by the transmission stop bit blocks, at this moment key, when the axial groove on the idling core and transmission stop bit are dialled the lower convexity portion alignment of circle, idling core is dialled the circle axial groove along the transmission stop bit and is advanced, and dials circle up to blocking the transmission stop bit, and at this moment key just can be dialled astragal to the transmission stop bit and moves locking bolt is retreated, key can't pump out, and lock is opened.

The advantage that the utility model compared with prior art has is: by the lock core separated into two parts, idling core and transmission stop bit are dialled circle, idling core can not drive the transmission stop bit and dial circle when inserting correct key, this moment, idling core was free to rotate, be loaded in the lock core in the lock housing, unblank after can preventing to destroy lock core.

Description of drawings

Fig. 1 is the utility model sectional structure schematic diagram under the tapered end locking states;

Fig. 1-the 1st, A-A sectional structure schematic diagram among Fig. 1;

Fig. 1-2 is a B-B sectional structure schematic diagram among Fig. 1;

Fig. 2 is the utility model tapered end sectional structure schematic diagram under opening;

Fig. 2-the 1st, A-A sectional structure schematic diagram among Fig. 2;

Fig. 2-the 2nd, B-B sectional structure schematic diagram among Fig. 2;

Among the figure: 1-locks shell; The 2-cannelure; The 3-idling core; The last page or leaf of 4-sheet; 5-nextpage sheet; The 6-leaf spring; 7-transmission stop bit is dialled circle; The 8-cannelure; The 9-axial groove; The 10-compression spring; The 11-bonnet; 12-fastens post; The 13-locking bolt; The 14-spring; The 15-key; 16-page or leaf film trap; The 17-locating slot; The 18-lock core hole; The 19-key.

The specific embodiment

Further describe the technical solution of the utility model below in conjunction with accompanying drawing:

As shown in the figure, a kind of built-in idle running type Mortise lock, comprise shell 1 and in the lock core established, cannelure 2, locating slot 17, lock core hole 18 and on bonnet 11; Its lock core is dialled circle by idling core 3 and transmission stop bit and 7 is formed, and its idling core 3 is provided with cannelure 8, and axial groove 9 is provided with page film trap 16 in its idling core 3, is provided with a page sheet 4, nextpage sheet 5, spring 6 in the page or leaf film trap 16; Its transmission stop bit is dialled the circle 7 upper and lower lug bosses that are respectively equipped with, and is placed on the cannelure 8; Be provided with compression spring 10 between idling core 3 and the bonnet 11.The set position of cannelure 2 and page or leaf film trap 16 is corresponding.Last page or leaf sheet 4 and nextpage sheet 5 and locking shell hole 18 are for being slidingly matched.

As Fig. 1, Fig. 1-1, shown in Fig. 1-2, the utility model comprises lock shell 1, idling core 3, the transmission stop bit is dialled circle 7, last page or leaf sheet 4, nextpage sheet 5, leaf spring 6, compression spring 10 has page film trap 16 on the cross section of idling core 3, the page or leaf film trap is equipped with page or leaf sheet 4 for 16 li, nextpage sheet 5, leaf spring 6, idling core 3 back segments are opened cannelure 8 and axial groove 9, and the transmission stop bit is dialled circle 7 and is set on the cannelure 8, drive cannelure 2 in the lock shell 1, cannelure 2 is corresponding with page or leaf film trap 16, lock shell back segment leaves stopper slot 17, and idling core 3 is loaded on 1 li on lock shell, last page or leaf sheet 4, nextpage sheet 5 slides with lock core hole 18 and matches.Upward page or leaf sheet 4 in the page or leaf film trap 16, nextpage sheet 5 stretch out under leaf spring 6 effects and are stuck in 2 li of corresponding cannelures, make idling core 3 can not advance, retreat for 1 li at the lock shell, can only left rotation and right rotation.The transmission stop bit is dialled circle 7 and is loaded on 17 li of lock shell 1 upper limit position grooves.Locking bolt 13 is dialled circle 7 to reach by the transmission stop bit and is blocked and can not advance under the pressure of spring 14.Rear lid case 11 seal idling core 3 and transmission stop bit dial circle 7 can not after withdraw.In firmly idling core 3 being pressed into lock shell 1, make the transmission stop bit dial circle 7, break away from axial groove 9, enter 8 li of cannelures, and turn an angle, just can extract key 15 out.After extracting key 15 out, last page or leaf sheet 4, nextpage sheet 5 enter under the effect of leaf spring 6 in the cannelure 2 of lock shell 1, make the idling core 3 can not forward-reverse, and at this moment the transmission stop bit is dialled circle 78 li of cannelures, rotation idling core 3 just can not drive the transmission stop bit and dial circle 7, just can not unblank.

Shown in Fig. 2, Fig. 2-1, Fig. 2-2, insert key 15, key 15 enters key 19 the insides, and the effect that last page or leaf sheet 4, nextpage sheet 5 overcome leaf spring 6 is moved, and makes blade 4, nextpage sheet 5, and the page or leaf film trap is 16 li on the income idling core 3.The pressure of compression spring 10 act on idling core 3 axially on idling core 3 is gone ahead, but the following protuberance of being dialled circle 7 by the transmission stop bit blocks, key 15, when the axial groove on the idling core 39 and transmission stop bit are dialled the lower convexity portion alignment of circle 7, idling core 3 is dialled circle 7 axial grooves 9 along the transmission stop bit and is advanced, and dials circle 7 up to blocking the transmission stop bit, and key 15 just can be dialled circle 7 drives to the transmission stop bit retreats locking bolt 13, key 15 can't pump out, and lock is opened.

Lock 12, locking bolt 13, spring 14 among the figure, key 19 is the structural part of the utility model.

Claims

1. built-in idle running type Mortise lock is characterized in that: comprise shell (1) and in the lock core, cannelure (2), locating slot (17), lock core hole (18) established and on bonnet (11); Its lock core is dialled circle (7) by idling core (3) and transmission stop bit and is formed, its idling core (3) is provided with cannelure (8), axial groove (9), be provided with a page film trap (16) in its idling core (3), be provided with page or leaf sheet (4), nextpage sheet (5), spring (6) in the page or leaf film trap (16); Its transmission stop bit is dialled the upper and lower lug boss that is respectively equipped with of circle (7), and is placed on the cannelure (8); Be provided with compression spring (10) between idling core (3) and the bonnet (11).

2. built-in idle running type Mortise lock according to claim 1 is characterized in that: cannelure (2) is corresponding with page position that film trap (16) is set.

3. built-in idle running type Mortise lock according to claim 1 is characterized in that: go up page or leaf sheet (4) and nextpage sheet (5) and locking shell hole (18) for being slidingly matched.