CN2214488Y - Round cylinder lock core and its tube-shape key - Google Patents

Abstract

The utility model relates to a circle cylinder lock core, and a fixed ring and a movable ring are arranged between a core shaft and a casing. The fixed ring and the movable ring are provided with a plurality of cylinder holes which are corresponding one to one, the inner part of the holes is provided respectively with springs and cylinders with different lengths, and the movable ring is fixed with the core shaft. The key head of a tubular key is a metal tube, and one end of the outer wall is provided with semi-holes with different depths and the semi-holes are corresponding to the position of the cylinder holes. When the key is inserted, the cylinders are compressed by the bottom of the semi-holes, each pair of cylinders is aligned at the typing surface of the movable ring and the fixed ring, the core shaft then can be rotated, and a shifting fork is driven by the flat shoulder of the core shaft and a lock tongue is opened. The circle cylinder lock core has high safety factor, and the interchanging rate reaches 820 thousand times. The new key can not be made optionally, and the safety performance is high.

Description

Round cylinder lock core and its tube-shape key

The utility model belongs to mechanical field, and the lock core that relates to a kind of cylinder lock reaches the tubular key of adapted with it.

Lock cylinder is a kind of common lock core, is applied to many aspects such as door lock, drawer-lock, automobile circuit lock, bicycle lock and Safe lock by wide model.Its structure is: be provided with mandrel on the axis in lock, mandrel one end is provided with the flat shoulder that connects shift fork, and has key.On the same plane of the another side relative with key, have an exhausting hole, lay pellet shot from a slingshot different in size in the hole.The inside at the mandrel overcoat, with it on the Dui Ying position, have row's blind hole, pellet shot from a slingshot different in size also is housed in the hole, spring is housed (during actual the manufacturing under the pellet shot from a slingshot, be to be processed into through hole earlier, again the outer end in hole shut after pellet shot from a slingshot is installed), two row's pellets shot from a slingshot are arranged on the same sagittal plane perpendicular to axis.At ordinary times, because pellet shot from a slingshot is different in size, the pellet shot from a slingshot in mandrel overcoat and the mandrel is flexible mutually to be interted, and mandrel is pinned, and can not rotate.The key of adapted is in the front of the shank of the key key bit to be arranged with it, and one side of key bit has deep mixed tooth and dashes forward.When key inserted mandrel, the prominent length complementation with pellet shot from a slingshot of its tooth made two row's pellets shot from a slingshot concordant with the external surface of mandrel just, and mandrel is able to rotation under key drives, and the flat shoulder belt of one end moves shift fork, opens dead bolt.The shortcoming of this structure is: safety factor is a commutative rate, and is big inadequately: not only find same key easily, the key with other (profile of tooth differences) also can occur, insert the different degree of depth, also can open the situation of same lock.Simultaneously, this key is prepared easily, has more reduced its safety.

For overcoming the deficiencies in the prior art, the utility model will provide a kind of cylinder of spring lock of new construction to reach the novel key of adapted with it, and they should have higher safety factor, improve commutative rate.Simultaneously, the structure of novel key should be and can not arbitrarily not prepare.This lock core and key also should keep the wide model application of existing cylinder lock.

The technical scheme that realizes the object of the invention is as follows: keep the mandrel, mandrel overcoat of existing cylinder lock and two groups structure such as pellet shot from a slingshot one to one, but with bullet in installation direction by radially changing into axially, promptly two groups of pellets shot from a slingshot are lined up a circle around the central axis of lock core.Concrete structure is: be provided with mandrel on the axis of lock core, an end of mandrel has the flat shoulder that connects shift fork.Between mandrel and mandrel overcoat, be provided with a fixed circle (also claiming the pellet shot from a slingshot seat) and a moving-coil (also claiming marble sleeve).Having some blind holes on fixed circle, these holes and axis are lined up a circle abreast, and spring and pellet shot from a slingshot are installed in the hole, pellet shot from a slingshot different in size.On moving-coil, have the through hole of same quantity on the position corresponding with enclosing the pellet shot from a slingshot hole surely, pellet shot from a slingshot different in size is installed in the hole.Moving-coil and mandrel are fixed.At ordinary times, fixed circle is staggered flexible with the pellet shot from a slingshot in the moving-coil, pins mutually, and moving-coil and mandrel can not be rotated, and lock can not be opened.Between mandrel and mandrel overcoat, leave a circle slit, use during for the insertion key.Form by the shank of the key and key bit with the key of this lock adapted.Key bit is one section metal tube, fixes with the shank of the key.Have half deep mixed hole of a circle on the outer wall of Guan Yiduan, the position in half hole is corresponding with the position that lock core moving-coil, fixed circle are gone up the pellet shot from a slingshot hole.Its degree of depth is consistent with the length of corresponding pellet shot from a slingshot in the moving-coil.When key inserted, compressing pellet shot from a slingshot in the bottom in half hole made each align on the die joint of moving-coil and fixed circle to pellet shot from a slingshot, the rotation under key drives of mandrel and moving-coil, and the flat shoulder belt of mandrel one end moves shift fork dead bolt is opened.

Can offer key on the bonding surface of mandrel and moving-coil, this key can be opened on mandrel, also can open on moving-coil, also can open two grooves at the same time on moving-coil and mandrel.Can establish corresponding lobe on key bit, consistent with the position of key on moving-coil, the mandrel bonding surface on the lock core and size (when groove was opened on moving-coil, lobe was located on the outer wall; When groove was opened on mandrel, lobe was located on the inwall; When the both slotted, inside and outside wall was all established lobe).When key was inserted lock core, the lobe on the key bit entered corresponding key on the lock core, can limit it and insert angle, guaranteed that half hole on the key bit is aimed at corresponding pellet shot from a slingshot.When not establishing key and lobe,, also can control key and insert angle, make things convenient for but use inadequately by the shape of the shank of the key.

The cylinder of spring lock of this new construction that the utility model provides reaches the novel key of adapted with it, has higher safety factor than existing cylinder lock, is example to establish 7 pairs of pellets shot from a slingshot, and its commutative rate reaches 820,000 times.Simultaneously, this novel key needs special equipment processing, can not arbitrarily prepare, so safer.This lock core and key have also kept the application of the same wide model of existing cylinder lock, can be applicable to many aspects such as door lock, drawer-lock, automobile circuit lock, bicycle lock and Safe lock.

Now be described further in conjunction with the accompanying drawings and embodiments:

Fig. 1 is embodiment 1 structural representation;

Fig. 2, Fig. 3 are the facing of fixed circle, lateral view;

Fig. 4, Fig. 5 are the facing of moving-coil, lateral view;

Fig. 6, Fig. 7 are for Key structure is faced, lateral view.

Embodiment 1, and with reference to Fig. 1: be provided with mandrel (3) on the axis of lock core, an end of mandrel (3) has the flat shoulder of connection shift fork (15).Between mandrel and mandrel overcoat (4), be provided with a fixed circle (6) and a moving-coil (5).With reference to Fig. 1, Fig. 2, Fig. 3: have 7 blind holes (17) on Ding Quan (6), these holes are parallel with axis, line up a circle by 45 ° of intervals, and spring (10) and pellet shot from a slingshot (9) are installed in the hole, and the length of pellet shot from a slingshot is from 0.70-1.70mm.With reference to Fig. 1, Fig. 4, Fig. 5, on moving-coil (5), have 7 through holes (18) on the position corresponding with enclosing the pellet shot from a slingshot hole surely simultaneously, installation length is from the pellet shot from a slingshot (9) of 0.70-1.70 in the hole.Pellet shot from a slingshot can be divided into 0.70,0.90,1.10,1.30,1.50,1.70,1.90mm7 kind length, at random combination.Moving-coil and mandrel are fixed.On both bonding surfaces, have key.At ordinary times, fixed circle is staggered flexible with the pellet shot from a slingshot in the moving-coil, pins mutually, and moving-coil and mandrel can not be rotated, and lock can not be opened.Between mandrel and mandrel overcoat, leave the slit of a circle 0.9mm, use during for the insertion key.On the bonding surface of mandrel and moving-coil, also have a shallow slot to hold the front end of key.With reference to Fig. 6, Fig. 7: key is made up of the shank of the key (1) and key bit (2).Key bit is the metal tube of one section wall thickness 0.9mm, and the internal diameter of pipe is consistent with the diameter of the mandrel of lock.Have deep mixed half hole (19) of a circle on the outer wall of Guan Yiduan, half hole is also by 45 ° of intervals, and is corresponding with the position that lock core moving-coil, fixed circle are gone up the pellet shot from a slingshot hole.Its degree of depth is consistent with the length of corresponding pellet shot from a slingshot in the moving-coil.On key bit, also be provided with a lobe, consistent with the position and the size of key on moving-coil, the mandrel bonding surface on the lock core.Press again after the shank of the key can be processed respectively with key bit and be in the same place.When key is inserted lock core, lobe on the key bit and the key on the lock core, can limit it and insert angle, guarantee half hole and corresponding pellet shot from a slingshot aligning on the key bit, the bottom compressing pellet shot from a slingshot in half hole, each is alignd on the die joint of moving-coil and fixed circle to pellet shot from a slingshot, and mandrel and moving-coil rotate under key drives, and the flat shoulder belt of mandrel one end moves shift fork (15) dead bolt (13) is opened.The retainer plate (8) that lock housing among Fig. 1 (11), base plate (12), handle (14), spring (16) and fixed lock core are used, pad (7) etc., all same as the prior art.

Embodiment 2, and the lock core of lock core structure and last example is identical, but the quantity of pellet shot from a slingshot changes 9 pairs into, and it changes 40 ° at interval into.The lock that can be used for large-scale strongbox.

Claims (6)

1, the circumference lock cylinder, on the axis of lock core, be provided with mandrel, one end of mandrel has the flat shoulder that connects shift fork, two groups of pellets shot from a slingshot are housed in the lock core, it is characterized in that: between mandrel and mandrel overcoat, be provided with a Ding Quan and a moving-coil, on fixed circle, have some blind holes, line up a circle abreast with axis, spring and pellet shot from a slingshot are installed in the hole, pellet shot from a slingshot different in size on moving-coil, has the through hole of same quantity on the position corresponding with enclosing the pellet shot from a slingshot hole surely, pellet shot from a slingshot different in size is installed in the hole, moving-coil and mandrel are fixed, and between mandrel and mandrel overcoat, leave a circle slit.

2, according to the described circumference lock cylinder of claim 1, it is characterized in that on the bonding surface of mandrel and moving-coil, offering key.

3, according to claim 1 or 2 described circumference lock cylinders, the quantity that it is characterized in that pellet shot from a slingshot is 7 pairs, 45 ° of arrangements at interval.

4, tubular key is made up of the shank of the key and key bit, it is characterized in that key bit is one section metal tube, fix with the shank of the key, on the outer wall of Guan Yiduan, have half deep mixed hole, the position in half hole is corresponding with the position that lock core moving-coil, fixed circle are gone up the pellet shot from a slingshot hole, and its degree of depth is consistent with the length of corresponding pellet shot from a slingshot in the moving-coil.

5, according to the described tubular key of claim 4, it is characterized in that on key bit, being provided with lobe, consistent with the position and the size of key on moving-coil, the mandrel bonding surface on the lock core.

6,, it is characterized in that said half hole number is 7, by 45 ° of arrangements according to claim 4 or 5 described tubular keys.

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