CN201747142U

CN201747142U - Pulley lock core

Info

Publication number: CN201747142U
Application number: CN2010201058505U
Authority: CN
Inventors: 林锰
Original assignee: RUI'AN OMELLOW LOCKS CO Ltd
Current assignee: RUI'AN OMELLOW LOCKS CO Ltd
Priority date: 2010-02-02
Filing date: 2010-02-02
Publication date: 2011-02-16
Anticipated expiration: 2020-02-02

Abstract

The utility model relates to a pulley lock core, which comprises a key, a lock body and a lock core; the lock core is a hollow cylinder with a key groove; and the lock body is sheathed and connected outside the lock core. The utility model is characterized in that a lock also comprises an upper marble hole arranged on the lock body; the lock core is equipped with a lower marble hole corresponding to the upper marble hole; the upper marble hole is internally equipped with an upper marble, and the lower marble hole is internally equipped with a lower marble hole; the lower bottom surface of the upper marble is in contact with the upper bottom surface of the lower marble; a spring is arranged between the upper top surface of the upper marble and the lock body; the lock core is equipped with an insert piece groove, a marble stirring hole and a thimble marble hole; the insert piece groove is internally equipped with an insert piece, the marble stirring hole is internally equipped with a stirring marble, and the thimble marble hole is internally equipped with a thimble marble; the top surface of the insert piece groove of the stirring marble is in contact with the bottom surface of the insert piece; a spring is arranged between the insert piece and the lock core; the upper top surface of the thimble marble is in contact with the lower bottom surface of a pulley; and a spring is arranged between the thimble marble and the lock core.

Description

The pulley lock core

Technical field

The utility model relates to a kind of pulley lock core.

Background technology

Lock is the article that can't leave in people's daily life, and the human lock that always uses is since ancient times preserved important article, and the property of oneself can not stolen by other people.Along with development of science and technology, emerge in an endless stream as advanced persons' such as coded lock, electronic lock, Fingerprint Lock lock, but complicated structure and fancy price make these locks can only be applied in some important departments the most frequently used still lock of standard machinery structure in people's daily life.The lock of existing machinery structure comprises lock body and lock core, and described lock core is the cylindrical of interior sky, has key; Described lock body sheath is connected on the lock core outside, and under the lock opening, lock core can rotate with respect to lock body; Be provided with several pellets shot from a slingshot in the lock body, when key did not insert key, pellet shot from a slingshot withstood lock core under the effect of spring, and lock core can't be rotated; When correct key inserted keyhole, tartar on the key headed into described pellet shot from a slingshot in the lock body, and lock core can be rotated with respect to lock body.The lock of this structure, have following problem: 1, Key structure is simple, is easy to duplicate; 2, billiards structure is simple, makes lock be easy to technical opening, and theftproof is poor.

The utility model content

Lock existing problem and shortage at above-mentioned existing mechanical structure, the utility model pulley lock core uses the pellet shot from a slingshot of dialling have two pulleys and two curved groove keys and trough of belt band nail.

The utility model pulley lock core includes key, the lock core cover, lock core, seal iron plate, last marble spring, last pellet shot from a slingshot, following pellet shot from a slingshot, the thimble pellet shot from a slingshot, the thimble marble spring, trough of belt band nail is dialled pellet shot from a slingshot, inserted sheet, the inserted sheet spring, AB function steel ball, thumb wheel, pushing block, the lock driving member, jump ring, described lock core middle part is provided with and the corresponding keyhole of key body shape, described lock core cover and lock core are provided with the through hole that one group of position is corresponding and be communicated with, be provided with down pellet shot from a slingshot in the lock core hole, be provided with pellet shot from a slingshot in the lock body opening, be provided with spring between the last end face of last pellet shot from a slingshot and lock body, be provided with above the spring and seal iron plate; The symmetrical side of described lock core lower marble hole is provided with one group and dials the pellet shot from a slingshot hole, dialling to be provided with in the pellet shot from a slingshot hole is with nail band inserted slot to dial pellet shot from a slingshot, the plane of symmetry of lock core lower marble hole is provided with a groove, be provided with inserted sheet in the groove, the front end of the plane of symmetry inserted slot of lock core lower marble hole is provided with a stepped hole, be provided with thimble pellet shot from a slingshot and thimble spring in the hole, described lock core has put the corresponding groove of inserted slot on and the lock core lower marble hole plane of symmetry.

Wherein, described key body shape is corresponding with the key of described lock core, described key body is monolateral depression, described depression is corresponding one by one with the position of described pellet shot from a slingshot down, and the degree of depth of described depression, the length that stretches in the lower marble hole with the last pellet shot from a slingshot of opposite position is identical, and it is identical with the length that corresponding upward pellet shot from a slingshot stretches in the lower marble hole with the diameter of pulley sum to drive the thimble movable length when lock core rotates.

Wherein, the shape of described depression is identical with the shape of following pellet shot from a slingshot bottom surface.

Wherein, described have two pulleys on the key, and pulley is a tubular body, in the pulley internal diameter pin is arranged, and pulley pin diameter is less than the pulley internal diameter, and pulley is moved around pin.

Wherein, described key has groove on two planes, and groove can make dials the pellet shot from a slingshot hole along the groove slip.

Wherein, described pellet shot from a slingshot end face down is an arc.

Wherein, the described billiards diameter of going up is slightly less than pellet shot from a slingshot hole internal diameter, and can be in last pellet shot from a slingshot hole with lower marble hole in do and move up and down.

Wherein, described down billiards diameter is slightly less than the lower marble hole internal diameter, and can do in lower marble hole and in the last pellet shot from a slingshot hole and move up and down.

Wherein, described lock core inserted slot size is slightly larger than the inserted sheet size, and can do in groove and move up and down and move in the groove fully.

Wherein, described group of pellet shot from a slingshot inserted slot width is slightly larger than inserted sheet thickness, the amount of movement of inserted sheet in lock core when group pellet shot from a slingshot inserted slot degree of depth is slightly larger than the lock core rotation.

The utility model lock has single special-shaped pellet shot from a slingshot, the single group of billiards structure and thimble billiards structure simultaneously, has higher safety; Simultaneously with the utility model lock supporting key have tartar, pulley, groove, be difficult to duplicate, more improved the theftproof of lock.

Description of drawings

Fig. 1 is that the master that the utility model pulley lock core is positioned at locking state looks sectional view

Fig. 2 is that the A_A of Fig. 1 is to sectional view

Fig. 3 is that the master that the utility model pulley lock core is positioned at opening looks sectional view

Fig. 4 is that the A-A of Fig. 3 is to sectional view

Fig. 5 is the vertical view of the utility model lock key at unused state

Fig. 6 is the upward view of the utility model lock key at unused state

The specific embodiment

Below in conjunction with accompanying drawing the utility model pulley lock core is described in further detail.

The utility model pulley lock core comprises key 8, lock body 1 and lock core 2, and lock core 2 is the cylinder of interior sky, has key 3; Described lock body 1 is socketed in outside the lock core 2, and lock body 1 is provided with the pellet shot from a slingshot hole, and lock core 2 is provided with and the described corresponding lower marble hole in pellet shot from a slingshot hole site of going up; Described going up in the pellet shot from a slingshot hole is provided with pellet shot from a slingshot 4, is provided with down pellet shot from a slingshot 5 in the described lower marble hole, and the upper bottom surface of the bottom surface of last pellet shot from a slingshot 4 and following pellet shot from a slingshot 5 contacts, and 1 of the last end face of last pellet shot from a slingshot 4 and lock body are provided with spring 7 and seal iron plate 6; Lock core 2 is provided with inserted slot 20, dials pellet shot from a slingshot hole 19, thimble pellet shot from a slingshot hole, be provided with inserted sheet 13 in the described inserted slot 20, dial to be provided with in the pellet shot from a slingshot hole 19 and dial pellet shot from a slingshot 11, the thimble pellet shot from a slingshot is provided with thimble pellet shot from a slingshot 16 in the hole, the inserted slot end face of dialling pellet shot from a slingshot 11 contacts with the inserted sheet bottom surface, be provided with spring 18 between inserted sheet 13 and the lock core 2, the last end face of thimble pellet shot from a slingshot 16 contacts with the bottom surface of pulley 14, is provided with spring 18 between thimble pellet shot from a slingshot 16 and the lock core 2.

Key 8 body shape are corresponding with key 3 shapes of described lock core 2, described key 8 bodies are monolateral to have depression 9, described depression 9 is corresponding one by one with the position of described pellet shot from a slingshot 5 down, and the degree of depth of described depression 9, the length that stretches into down part in the bullet groove with the last pellet shot from a slingshot 4 of its correspondence position is identical, the length that described thimble pellet shot from a slingshot 16 stretches in the lock body 1 is identical with the length that the last pellet shot from a slingshot 4 of pulley 14 diameter sums and pulley 14 correspondence positions gos deep into lower marble hole, 8 liang of planes of described key have groove 15, described groove 15 is corresponding one by one with the position of dialling pellet shot from a slingshot 11, and when lock core 2 is inserted at key 8 in the position, group pellet shot from a slingshot inserted slot is overlapped with lock core inserted slot position.

The shape of depression 9, identical with the shape of following pellet shot from a slingshot 5 bottom surfaces, the shape of described key groove 15 matches with dialling pellet shot from a slingshot hole 19 shapes, and the position of described pulley 14 is consistent with the position of thimble pellet shot from a slingshot 16.

Dial the groove size of pellet shot from a slingshot hole 19 sizes less than key 8, and can smooth-going slip in key 3, described pulley 14 sizes are less than lock core pulley groove size, and can smooth-going slip in the lock core pulley groove.

Last group goes up in pellet shot from a slingshot, the following pellet shot from a slingshot through hole, be provided with AB function steel ball 12 between last pellet shot from a slingshot 4 and the following pellet shot from a slingshot 5, after the finishing key uses up, owner inserts the C key, rotate counterclockwise lock core 2 greater than 90 degree, AB function steel ball 12 rolls in the C key AB function steel bead groove, and AB function steel ball 12 is extracted and taken out of with the C key, changed the last pellet shot from a slingshot 4 and the be provided with position of following pellet shot from a slingshot 5 at the finishing key of lock this moment, the finishing key then can not re-use.

Claims

1. pulley lock core, it is characterized in that: comprise key, lock body and lock core, described lock core is the cylinder of interior sky, has key; Described lock body sheath is connected on outside the lock core, it is characterized in that, described lock also comprises: lock body is provided with the pellet shot from a slingshot hole, and lock core is provided with and the described corresponding lower marble hole in pellet shot from a slingshot hole site of going up; Described going up in the pellet shot from a slingshot hole is provided with pellet shot from a slingshot, is provided with down pellet shot from a slingshot in the described lower marble hole, and the upper bottom surface of the bottom surface of last pellet shot from a slingshot and following pellet shot from a slingshot contacts, and is provided with spring between the last end face of last pellet shot from a slingshot and lock body; Lock core is provided with inserted slot, dials pellet shot from a slingshot hole, thimble pellet shot from a slingshot hole, be provided with inserted sheet in the described inserted slot, dial to be provided with in the pellet shot from a slingshot hole and dial pellet shot from a slingshot, the thimble pellet shot from a slingshot is provided with the thimble pellet shot from a slingshot in the hole, the inserted slot end face of dialling pellet shot from a slingshot contacts with the inserted sheet bottom surface, be provided with spring between inserted sheet and the lock core, the last end face of thimble pellet shot from a slingshot contacts with the bottom surface of pulley, is provided with spring between thimble pellet shot from a slingshot and the lock core.

2. pulley lock core according to claim 1, it is characterized in that: described key body shape is corresponding with the key shape of described lock core, described key body is monolateral to have depression, described depression is corresponding one by one with the position of described pellet shot from a slingshot down, and the degree of depth of described depression, the length that stretches into down part in the bullet groove with the last pellet shot from a slingshot of its correspondence position is identical, the length that described thimble pellet shot from a slingshot stretches in the lock body is identical with the length that the last pellet shot from a slingshot of diameter of pulley sum and pulley correspondence position gos deep into lower marble hole, described key two planes have groove, described groove is corresponding one by one with the position of dialling pellet shot from a slingshot, and when lock core is inserted at key in the position, group pellet shot from a slingshot inserted slot is overlapped with lock core inserted slot position.

3. pulley lock core according to claim 1 is characterized in that: the shape of described depression, and identical with the shape of following pellet shot from a slingshot bottom surface, the shape of described key groove matches with dialling the pellet shot from a slingshot hole shape, and the position of described pulley is consistent with the position of thimble pellet shot from a slingshot.

4. pulley lock core according to claim 1, it is characterized in that: the described group of pellet shot from a slingshot hole dimension is less than the groove size of key, and can smooth-going slip in key, described pulley size is less than lock core pulley groove size, and can smooth-going slip in the lock core pulley groove.