CN201502235U

CN201502235U - Novel two-way open idle antitheft lock

Info

Publication number: CN201502235U
Application number: CN2009200620297U
Authority: CN
Inventors: 黄其宏
Original assignee: 肖志锦
Priority date: 2009-08-07
Filing date: 2009-08-07
Publication date: 2010-06-09
Anticipated expiration: 2019-08-07

Abstract

The utility model relates to a novel two-way open idle antitheft lock, which comprises a lock body sleeve, a lock core and a drive shaft, wherein an idle sleeve is arranged between the lock body sleeve and the lock core, the idle sleeve is fixedly connected with the drive shaft, the lock core drives the idle sleeve so as to drive the drive shaft to rotate, and the lock body sleeve presents in a two-side symmetric structure. The novel two-way open idle antitheft lock is particularly applicable to the two-way opened mortise door lock. When in unlocking, the lock core and the idle sleeve are closed and connected with each other into a whole, so when a key is turned, a clutch pin can drive the idle sleeve so as to open the lock. At the locking state, the two-way open idle effect can be realized, so the external force is difficult to turn the lock core so as to forcibly open the lock, and the antitheft performance of the lock can be improved.

Description

Novel two idle running anti-theft lock of opening

Technical field

The utility model relates to a kind of theftproof lock of frame for movement.

Background technology

The theftproof lock that tradition is used mostly is the cylinder lock of frame for movement, by housing be enclosed within the housing rotating lock core and pellet shot from a slingshot and form.On lock core and housing,, a spring one housing pellet shot from a slingshot is housed, a core pellet shot from a slingshot in each hole along laterally having corresponding pellet shot from a slingshot hole.Under blocking, housing pellet shot from a slingshot insertion lock core in various degree makes to be stuck in lock core can not be rotated.The mechanical lock of this kind structure when lock core is inserted when reversing as brute force from keyhole by special instrument, prevents that the moving pellet shot from a slingshot of lock core dress from can be twisted off, and makes this lock easily by unnormal unlocking, thereby loses anti-theft feature.The utility model just is based on the problems referred to above, can prevent that the external force brute force from twisting off pellet shot from a slingshot and the improvement carried out.

The utility model content

The purpose of this utility model provides a kind of anti-theft cylinder lock of novel mechanical structure, solve the conventional machinery cylinder lock when being subjected to external force and turning round by force easily by unnormal unlocking, and then lose the problem of anti-theft feature.

The purpose of this utility model is to be achieved through the following technical solutions:

Novel two idle running anti-theft lock of opening, comprise lock body sheath, lock core and power transmission shaft, be provided with the idle running cover between lock body sheath and lock core, described idle running cover is fixedlyed connected with power transmission shaft, lock core rotates by driving the idle running cover and then driving power transmission shaft, and described lock body sheath is the bilateral symmetrical structure;

Further design is:

In lock body sheath, be provided with press studs by spring top clamping idle running cover,

Idle running cover vertically have a cotter way, settle on-of pin in the cotter way,

Several blades by spring top clamping are installed in lock core, and corresponding on-of pin is provided with semicircle breach on each blade, and blade pass is crossed mandrel and is installed on the lock core, and is held out against by leaf spring,

When key inserts lock core, key, the on-of pin that idle running is put in the cotter way falls in the breach of each blade in the promotion of the press studs that holds out against, and this moment, lock core and idle running cover can not relatively rotate, and reached the function of unblanking thereby drive the idle running cover by lock core; And when key when lock core is extracted, under the drive of leaf spring, the blade axial rotation is released on-of pin from the breach of blade, this moment, on-of pin can not play restriction lock core and the effect in relative rotation of idle running cover, prevented that external force from turning round the effect that blade was lost efficacy by force so also just played;

Further design is:

Corresponding on-of pin is provided with cotter way in lock body sheath, falls in the cotter way in the time of can making on-of pin fall into or be pushed out the breach of blade;

In lock body sheath, be provided with location pin, and corresponding location pin puts in idle running and is provided with locating slot by spring top clamping idle running cover;

Pass through a month shape jump ring restrictive axial play between described lock core and the idle running cover;

Described putting in idle running is equipped with the semicircle jump ring, does axial float thereby can limit the relative lock body sheath of idle running cover.

The utility model is specially adapted to two lock pin locks of opening, and when unblanking, lock core, idle running cover closure are connected as a single entity, and the twisting key just can drive the idle running cover by on-of pin will lock unlatching.Under blocking, can reach two effects of idle running of opening, external force be difficult to by reverse lock core reach unblank by force purpose, improved the theftproof performance of lockset.

Description of drawings

With embodiment the utility model is described in further detail with reference to the accompanying drawings below.

Fig. 1 is novel two structure charts of opening idle running anti-theft lock described in the utility model;

Fig. 2 is the front view of lock body sheath;

Fig. 3 is the lateral view of lock body sheath;

Fig. 4 is the front view of idle running cover;

Fig. 5 is the sectional view of idle running cover;

Fig. 6 is the front view of lock core;

Fig. 7 is the sectional view of lock core;

Fig. 8 is the structure chart of blade;

Fig. 9 is the front view of power transmission shaft;

Figure 10 is the lateral view of power transmission shaft;

Figure 11 is the structure chart of blade mandrel;

Figure 12 is the structure chart of on-of pin;

Figure 13 is the front view of semicircle jump ring;

Figure 14 is the lateral view of semicircle jump ring;

Figure 15 is month structure chart of shape jump ring;

Figure 16 is the front view of key;

Figure 17 is the lateral view of key.

Among the figure:

1, lock body sheath; 2, lock core; 3, power transmission shaft; 4, idle running cover; 5, spring; 6, press studs; 7, cotter way; 8, on-of pin; 9, blade; 10, spring; 11, mandrel; 12, semicircle breach; 13, cotter way; 14, location pin; 15, locating slot; 16, month shape jump ring; 17, semicircle jump ring; 18, key.

The specific embodiment

With reference to figure 1 and in conjunction with Fig. 2-17, novel two idle running anti-theft locks of opening described in the utility model, comprise lock body sheath 1, lock core 2 and power transmission shaft 3, between lock body sheath 1 and lock core 2, be provided with idle running cover 4, described idle running cover 4 is fixedlyed connected with power transmission shaft 3, lock core 2 rotates by driving idle running cover 4 and then driving power transmission shaft 3, and described lock body sheath 1 is the bilateral symmetrical structure, is applicable to two lock pin locks of opening;

Further design is:

In lock body sheath 1, be provided with the press studs 6 that holds out against idle running cover 4 by spring 5,

Idle running cover 4 vertically have a cotter way 7, settle on-of pins 8 in the cotter way 7,

The blade 9 that several are held out against by spring 10 is installed in lock core 2, and corresponding on-of pin 8 is provided with semicircle breach 12 on each blade 9, and blade 9 is installed on the lock core 2 by mandrel 11, and is held out against by leaf spring 10,

When key 18 inserts lock core 2, key 18, making that the on-of pins 8 in the cotter way 7 fall in the breach 12 of each blade 9 in the promotion of the press studs 6 that holds out against on the idle running cover 4, this moment, lock core 2 and idle running cover 4 can not relatively rotate, and reached the function of unblanking thereby drive idle running cover 4 by lock core 2; And when key 18 when lock core 2 is extracted, under the drive of leaf spring 10, blade 9 axial rotation, on-of pin 8 is released from the breach 12 of blade 9, this moment, on-of pin 8 can not play restriction lock core 2 and idle running cover 4 effect in relative rotation, prevented that external force from turning round the effect that blade 9 was lost efficacy by force so also just played;

Further design is:

Corresponding respectively on-of pin 8 is provided with cotter way 13 in lock body sheath 1 and on the lock core 2, falls in the cotter way 13 in the time of can making on-of pin 8 fall into or be pushed out the breach 12 of blade 9;

In lock body sheath 1, be provided with the location pin 14 that holds out against idle running cover 4 by spring 5, and corresponding location pin 14 is provided with locating slot 15 on idle running cover 4;

Pass through month shape jump ring 16 restrictive axial plaies between described lock core 2 and the idle running cover 4;

Described overlapping on 4 in idle running is equipped with semicircle jump ring 17, does axial float thereby can limit idle running cover 4 relative lock body sheaths 1.

The utility model is specially adapted to two lock pin locks of opening, when unblanking, key 18 inserts in lock core 2 holes, after the dissimilar tooth form structure of key 2 and the blade 9 corresponding different unlatching degree of depth that require cooperate, breach 13 alignment on each blade 9, on-of pin 8 fell into cotter way 13 in and was stuck in the breach 12 of blade 9 in the thrust of spring this moment, like this lock core 2, dally and overlap 4 closures and be connected as a single entity, can not relatively rotate, twisting key 18 just can drive idle running cover 4 by on-of pin 8 will lock unlatching.Under the blocking, key 18 is extracted, blade 9 carries out rotation in various degree under the thrust of leaf spring 10, breach 12 on the blade 9 no longer aligns at this moment, so on-of pin 8 is released in the breach, lock core 2, on-of pin 8 and idle running cover 4 separate, can reverse unrestricted relatively, core 2 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.

It is pointed out that each blade 9 should design separately according to the depth of key breach, the number of blade 9 generally is designed to 3-5 and is advisable, and manufacturing enterprise can determine the number of blade 9 according to the needs of product.

In addition for present embodiment institute accompanying drawing; do not provide the structure of 3 transmissions of power transmission shaft; the main points that this part is not protected as the utility model; manufacturing enterprise can design as required voluntarily; if but adopted the architectural features disclosed in the utility model such as lock body sheath 1 of idle running cover 4, on-of pin 8, symmetry, the utility model scope required for protection would be belonged to.

Claims

1. open idle running anti-theft lock for novel pair, comprise lock body sheath, lock core and power transmission shaft, between lock body sheath and lock core, being provided with the idle running cover, described idle running cover is fixedlyed connected with power transmission shaft, lock core rotates by driving the idle running cover and then driving power transmission shaft, it is characterized in that described lock body sheath is the bilateral symmetrical structure.

2. open idle running anti-theft lock for novel pair according to claim 1, it is characterized in that,

Several blades are installed in lock core, and corresponding on-of pin is provided with breach on each blade, and blade pass is crossed mandrel and is installed on the lock core, and is held out against by leaf spring.

3. according to claim 2ly novelly two open idle running anti-theft lock, it is characterized in that corresponding on-of pin is provided with cotter way in lock body sheath, fall in the cotter way in the time of can making on-of pin fall into or be pushed out the breach of blade.

4. according to claim 3ly novelly two open idle running anti-theft lock, it is characterized in that, in lock body sheath, be provided with location pin, and corresponding location pin puts in idle running and is provided with locating slot by spring top clamping idle running cover.

5. open idle running anti-theft lock for novel pair according to claim 3, it is characterized in that, pass through a month shape jump ring restrictive axial play between described lock core and the idle running cover.

6. open idle running anti-theft lock for novel pair according to claim 3, it is characterized in that described putting in idle running is equipped with the semicircle jump ring, the relative lock body sheath of restriction idle running cover is done axial float.