CN108824980B - Lever crossed anti-theft lock capable of amplifying technical unlocking errors - Google Patents

Abstract

The invention relates to a lever crossed anti-theft lock capable of amplifying technical unlocking errors, wherein an upper marble (6) and a driven marble (7) form relative motion through a gear (16), the upper marble (6) and the driven marble (7) respectively control a rear locking rod (32) and a front locking rod (31), when the upper marble (6) is positioned at a specific position, the front locking rod (31) and the rear locking rod (32) are overlapped in front-back, and a lockset can be opened; one ends of the front locking rod (31) and the rear locking rod (32) are provided with inclined planes, grooves on the lock body (1) corresponding to the ends are also provided with inclined planes, and when the front locking rod (31) or the rear locking rod (32) is slightly contacted with the inclined planes of the grooves on the lock body (1), the front locking rod (31) or the rear locking rod (32) can be pushed to the deep parts of the grooves by the inclined planes.

Description

Lever crossed anti-theft lock capable of amplifying technical unlocking errors

Technical Field

The invention belongs to the field of mechanical locks, and particularly relates to a lever crossed anti-theft lock capable of amplifying technical unlocking errors.

Background

The existing cylinder lock is fixed as a class A lock, and the technical opening time is within one minute; the blade lock also has a method for opening the foam adhesive tape; the cylinder with the application number 2018108628002 is further lifted, but the delay device occupies large space; on the basis of the invention, components are added, the anti-theft performance is further improved, and the occupied space is further reduced.

Disclosure of Invention

The invention provides a lever crossed anti-theft lock capable of amplifying technical unlocking errors, which is an anti-theft lock formed by adding components on the basis of the existing cylinder lock; the anti-theft lockset can amplify the tiny errors when the technology is opened by utilizing the lever and the inclined plane; when unlocking, the key must be turned first, so that after the key loses control over the main unlocking member, the key can only know whether the main unlocking member is in the correct position, and the lock cannot be unlocked when the main unlocking member is incorrect; after the first technical opening failure, a period of time must elapse before the second tentative opening can be performed, and the intermediate interval time cannot be greatly shortened by using the unlocking device.

The lock comprises a lock body, an outer lock cylinder and an inner lock cylinder, wherein a cylindrical cavity is formed in the lock body, the outer lock cylinder is arranged in the cavity, the outer lock cylinder is provided with the cylindrical cavity, and the inner lock cylinder is arranged in the cavity; the inner lock core is provided with a plurality of marble holes, the lower marble is arranged in the marble holes and provided with a plurality of marbles, the inner lock core is provided with an axial key hole, and a key can be inserted into the key hole to control the lower marble; a plurality of marble holes are formed in the outer lock core, an upper marble is arranged in the marble holes, a driven marble is arranged on one side of the upper marble, a gear is arranged between the upper marble and the driven marble, the upper marble close to the gear and the driven marble are provided with convex teeth, the convex teeth are meshed with the gear, the driven marble can be downwards moved by the upward movement of the upper marble through the gear, and the driven marble can be upwards moved by the downward movement of the upper marble through the gear; the gear between the upper marble and the driven marble can be replaced by a lever.

The key does not belong to the invention and can be made into a straight shape, a crescent shape, a cross shape and the like.

The unlocking function is completed by the outer lock cylinder, and the rotation of the inner lock cylinder can not unlock the lockset.

A hollow area is arranged on the outer lock cylinder, a front locking rod and a rear locking rod are arranged on the hollow area, the front locking rod and the rear locking rod are arranged on the outer lock cylinder through shafts, one ends of the front locking rod and the rear locking rod are respectively provided with a spring which is jacked upwards, and the other ends of the front locking rod and the rear locking rod are respectively pressed on a driven marble and an upper marble; when the upper ends of the upper marble and the driven marble are not equal, the front locking rod and the rear locking rod form a crossed scissors structure, so that the lockset cannot be opened; when the lock is inserted into a correct key, the upper ends of the upper marble and the driven marble are leveled, the front locking rod and the rear locking rod are overlapped front and back, and the lock can be normally opened.

The lock body corresponding to the front locking rod and the rear locking rod is provided with a groove, when the positions of the front locking rod and the rear locking rod are incorrect, the front locking rod and the rear locking rod can collide with the groove on the lock body, in the unlocking direction, the contact ends of the front locking rod and the rear locking rod and the groove of the lock body are made into inclined planes, the grooves are also provided with inclined planes, and when the positions of the front locking rod and the rear locking rod are slightly wrong, the inclined planes can push the front locking rod or the rear locking rod to move in the direction with larger errors; the other ends of the front locking rod and the rear locking rod are rectangular, so that when the outer lock core is rotated by the lock, the outer lock core cannot squeeze the upper marble and the driven marble in error, and the front locking rod and the rear locking rod deform, so that the lock is scrapped.

The inclined surface ends of the front locking rod and the rear locking rod are made into cambered surfaces with the adjacent surfaces of the inclined surfaces, which are contacted with the lock body, and the lock body contacted with the front locking rod and the rear locking rod is also made into a cambered surface, so that the two cambered surfaces are one to one and can be attached, and the technical unlocking resistant lock can resist larger acting force.

The lock body is provided with an upper positioning marble and a spring in the upper positioning marble, the outer lock cylinder is provided with a lower positioning marble, and the inner lock cylinder is provided with a positioning groove; in the locking state of the lockset, the lower positioning marble is inserted into the positioning groove, and the upper positioning marble falls down and is positioned on the interface between the lock body and the outer lock core; when the inner lock cylinder starts to rotate, the outer lock cylinder cannot rotate, after the inner lock cylinder rotates by an angle, the key cannot control the upper pins, the front locking rod and the rear locking rod through the lower pins, and the positioning groove pushes the lower positioning pins to move upwards, so that the upper positioning pins are completely positioned in the lock body, the lower positioning pins are completely positioned in the outer lock cylinder, and the outer lock cylinder can rotate together with the inner lock cylinder.

When the lockset is locked, the inner lock cylinder is reversed, the lower positioning marble can be reinserted into the positioning groove, the upper positioning marble can be positioned on the interface between the lock body and the outer lock cylinder again, in order to prevent the upper positioning marble from falling, the upper positioning marble is provided with a positioning rod, the outer lock cylinder at the positioning rod is provided with a positioning block, the positioning block is provided with a convex block, the outer lock cylinder is provided with a spiral groove, and the convex block of the positioning block is inserted into the spiral groove; when the correct key is unlocked, the positioning groove jacks up the lower positioning marble and the upper positioning marble, and then the positioning block is positioned below the positioning rod under the pushing of the spiral groove under the rotation of the outer lock core so as to prevent the upper positioning marble from falling down when the upper lock enters the last part, and when the upper lock is less than one circle, the positioning block is separated from the positioning rod under the pushing of the spiral groove, so that the upper positioning marble has a positioning function again.

The outer lock core is provided with a hollow poking groove, the inner lock core is provided with a poking pin, the poking pin is arranged in the poking groove, the poking pin can rotate the outer lock core after the poking groove freely rotates by an angle, namely, when the inner lock core starts to rotate in the locking state, the poking pin freely rotates, and when the positioning groove pushes the lower positioning marble upwards to a preset position, the poking pin starts to push the outer lock core to rotate.

The lock body is provided with a check pin, the check pin is arranged at a position corresponding to the poking pin, in the locked state, the check pin is limited in position, when the poking pin starts to rotate along with the inner lock cylinder, the check pin can move downwards under the action of a spring to block the poking pin from returning to the initial position, and when a lock is unlocked by a correct key, the inner lock cylinder and the outer lock cylinder can rotate together continuously, and a reset block arranged on the outer lock cylinder can jack up the check pin to reset.

The check pin is provided with a groove, one side of the check pin is provided with a limiting plate, and the limiting plate is arranged on the lock body by a shaft and is provided with a spring to enable the limiting plate to be clung to the check pin; the limiting plate is provided with a lug, and the lug on the limiting plate can clamp the groove of the check pin so that the check pin cannot fall down; the toggle pin is provided with a toggle block, the toggle block is provided with a movable tongue, and when the toggle pin rotates in a locking state, the movable tongue on the toggle block can toggle the limiting plate to separate from the check pin, and after the toggle pin and the check pin are staggered, the check pin falls down; when the lock is unlocked by the correct key, the inner lock cylinder and the outer lock cylinder can continue to rotate, a reset block is arranged on the outer lock cylinder with the section where the check pin is positioned, the reset block is provided with an inclined plane, and when the outer lock cylinder rotates, the reset block can jack up the check pin to reset and is clamped by the limiting plate; when the lock is unlocked by an incorrect key or technology, the lock cylinder cannot be continuously rotated to open the lock when the upper ball and the driven ball are not in the correct positions, and cannot return to the initial state to control the upper ball again, at the moment, the lock is in the locking state, and the check pin must be jacked again and limited by the limiting plate through a period of operation of the delay device, so that the second unlocking can be performed.

The outer lock core is provided with a delay ring, the delay ring is provided with a delay block, the check pin is provided with a check rod, and when the delay ring rotates for nearly one circle, the delay block on the delay ring can push the check rod on the check pin, so that the check pin moves and is clamped and positioned by the limiting plate; the lock body is provided with a pushing block which can slide on the lock body and is provided with a spring, a movable tongue on the stirring block can stir the pushing block to move, and when the pushing block loses the function of the stirring block, the pushing block can reset under the function of the spring; the pushing block is provided with a movable block, the movable block is arranged on the pushing block by a shaft, an arc-shaped sliding block is arranged in the moving direction of the pushing block, and the arc-shaped sliding block is arranged on the lock body by an arc-shaped slideway; the lock body is provided with the fixed block, a spring is arranged between the arc-shaped sliding block and the fixed block on the lock body, so that the lock body can be reset when external force is removed, and the fixed block can also prevent the arc-shaped sliding block from excessively moving; the arc-shaped sliding block is provided with an organic claw which can push the delay ring to rotate clockwise.

The lock body is provided with a check claw, the check claw is arranged on the lock body by a shaft, the check claw leans against the delay ring under the action of gravity or a spring to prevent the delay ring from rotating anticlockwise, the check claw is connected with a limiting plate by a pull rod, and the limiting plate can pull the check claw to be separated from the delay ring when being stirred by a movable tongue of a stirring block; the joint of the check claw and the pull rod is provided with a movable space, and when the check claw is pushed by the delay ring, the limit plate cannot move.

The time delay ring is provided with a spring, and when the non-return claw is separated from the time delay ring, the time delay ring rotates anticlockwise to reset under the action of the spring.

The speed limiting block is arranged on the movable block, a spring is arranged between the movable block and the pushing block, so that the movable block and the pushing block form a straight line, and when the pushing block moves towards the movable block with larger acceleration, the speed limiting block can drive the movable block to rotate around the mounting shaft of the movable block, so that the movable block cannot push the arc-shaped sliding block and the machine claw, and the machine claw cannot push the delay ring to rotate clockwise, so that the delay is stopped; the pushing block, the movable block and the arc-shaped sliding block are made into larger mass, so that when the pushing block loses the action of stirring the block force, the pushing block, the movable block and the arc-shaped sliding block need a certain time to reset under the action of a spring according to the acceleration principle, and are not controlled by technical unlocking, so that the purpose of time delay is achieved.

The movable tongue can stir the limiting plate and the pushing block when unlocking; when locking, the movable tongue is contacted with the limiting plate and the pushing block, and is extruded into the poking block, so that the states of the limiting plate and the pushing block cannot be changed.

The lock body is provided with a protrusion and other devices, when the arc-shaped sliding block loses external force and is pulled in place by the spring, the protrusion can push the claw of the motor to separate from the delay ring, so that the delay ring has a chance to reset under the action of the spring; when the arc-shaped sliding block is pushed by external force, the claw is separated from the protrusion to rotate under the action of gravity or a spring, and the delay ring can be pushed again.

Further, when unlocking, the inner lock cylinder rotates to a position capable of poking the outer lock cylinder, the outer lock cylinder corresponding to the lower marble is provided with an auxiliary marble, an auxiliary driven marble and a gear, and the key can be pulled out when the inner lock cylinder rotates for one or more circles.

Further, the inner lock cylinder and the outer lock cylinder are combined into a lock cylinder, the upper marble and the lower marble are combined into a marble, and the upper positioning marble, the lower positioning marble, the positioning groove, the auxiliary marble and the auxiliary driven marble are removed; the tongue-shaped pin and the spring are additionally arranged in the hollowed-out area of the lock cylinder, and when the lock cylinder rotates in the unlocking direction, the lock body can press the tongue-shaped pin to move downwards; a locking pin is additionally arranged in the lock core hollowed-out area, the locking pin can slide in the hollowed-out area, a connecting rod is additionally arranged between the locking pin and the tongue-shaped pin, and the tongue-shaped pin moves downwards to enable the locking pin to move towards a marble direction through the connecting rod; convex teeth are arranged on the locking pin and the marble, and the locking pin can lock the marble when moving towards the marble direction, so that the marble cannot move; the driven marble is made into a shape with a thick upper section and a thin lower section, and when the marble moves upwards to enable the driven marble to move downwards, the driven marble can touch the bottom of the marble hole, and the front locking rod and the rear locking rod cannot be contacted with the lock body and the lock core.

As described above, after the lock core rotates by a certain angle, the marble position is locked and then continues to rotate, the lockset can be opened when the marble position is correct, and the lockset can not be opened when the marble position is incorrect, the lock core is reversed to unlock the marble, the marble position is readjusted, and the second opening is performed, so that the time delay device can be used in the state.

Furthermore, on the basis of the above, the locking pin, the connecting rod and the tongue-shaped pin are removed, and the delay device is removed, so that a relatively simple lockset is formed, and the lockset still has a certain anti-theft function and is suitable for places with low safety level.

Drawings

The observer faces the drawing, the upper, lower, left and right of the observer are the upper, lower, left and right of the drawing, the observer is near the front, and the observer is far away from the rear.

Fig. 1 is a front view of a lock.

Fig. 2 is a view of the cylinder of the lock of fig. 1 after insertion of a correct key.

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2, illustrating the insertion of a wrong key.

Fig. 4 is a schematic diagram of the lock of fig. 3 with a wrong key inserted.

Fig. 5 is a schematic view of the lock of fig. 3 with the wrong key inserted and the inner lock cylinder rotated by one angle and the outer lock cylinder fixed.

Fig. 6 is a schematic view of the lock shown in fig. 5, after the inner lock cylinder is rotated again, the outer lock cylinder is driven to rotate.

Fig. 7 is a schematic view of the positions of the pins when the lock is inserted into the correct key.

Fig. 8 is a schematic diagram of the lock after being opened when the correct key is inserted.

Fig. 9 is a schematic view of the inner cylinder rotated by an angle after the auxiliary pins are added to the lock.

Fig. 10 is a schematic view of the lock with the auxiliary pins attached, and the inner cylinder rotating for one revolution.

Fig. 11 is a cross-sectional view of the line B-B shown in fig. 2.

Fig. 12 is a schematic view of the inner plug rotated by an angle to locate the pins being lifted.

Fig. 13 is a left perspective view of the C-C line of fig. 2.

Fig. 14 is a schematic view of the internal cylinder of fig. 13 rotated through an angle.

Fig. 15 is a schematic view of the rotation of the inner lock, the toggle block pushing the delay ring, and the rotation of the delay ring shown in fig. 14.

Fig. 16 is a schematic diagram of the reset of the push block, the arc-shaped slide block and the claw after the rotation of the inner lock cylinder.

Fig. 17 is a left perspective view of the C-C line of fig. 2, showing details of the toggle block, the limiting plate, the check pawl, and the check pin.

Fig. 18 shows a basic lock of fig. 3, in which an inner lock cylinder and a lock cylinder are combined into a lock cylinder, and an upper marble and a lower marble are combined into a marble.

Fig. 19 shows the lock of fig. 18, with the lock cylinder rotated by an angle when the locking lever is incorrect, the pins are locked, and the lock cannot be opened.

Fig. 20 is a block diagram showing the lock of fig. 18 with the lock pin, the link, the tongue pin removed.

Fig. 21 is an enlarged detail view of the delay ring pusher.

Fig. 22 is a schematic view of the case where the acceleration of the pushing block is excessive.

Fig. 23 is a perspective view of the upper marble, the driven marble, and the gear.

Fig. 24 is a partial perspective view of the upper marble, the driven marble, and the gear.

Fig. 25 is a schematic view of the use of a lever between the upper pin and the driven pin.

Fig. 26 is a schematic diagram of movement of the upper pin and the driven pin when the lever is used.

Fig. 27 is a schematic view of the shape of the driven pin in example 3 and example 4.

Fig. 28 shows a schematic view of a zigzag shape of a spiral groove.

1-Lock body, 2-outer lock core, 3-inner lock core, 4-lower marble, 5-marble, 6-upper marble, 7-driven marble, 8-spring, 9-lower locating marble, 10-upper locating marble, 11-locating lever, 12-locating slot, 13-locating block, 14-check pin, 15-check lever, 16-gear, 17-toggle pin, 18 toggle block, 19-push block, 20-delay ring, 21-spring, 22-keyhole, 23-spiral groove, 24-reset block, 25-lever, 31-front locking lever, 32-rear locking lever, 41-auxiliary marble, 42-auxiliary driven marble, 43-auxiliary marble slot, 51-pawl, 52-movable block, 53-arc slider, 54-speed limit block, 55-fixed block, 56-roller, 57-delay block, 58-check pawl, 59-pull rod, 60-limit plate, 61-movable lock core, 70-tongue, 71-72-lock pin, 73-link, 74-tongue pin.

Detailed Description

As shown in fig. 1,3, 23 and 24, a cylindrical cavity is arranged in the lock body 1, and the outer lock cylinder 2 is arranged in the cavity; a cylindrical cavity is arranged in the outer lock cylinder 2, and the inner lock cylinder 3 is arranged in the cavity; a plurality of marble holes are arranged in the inner lock cylinder 3, and a lower marble 4 is arranged in the marble holes and is filled with a plurality of marbles 5; a plurality of marble holes are arranged in the outer lock core 2, and an upper marble 6 is arranged in the marble holes; a plurality of marble holes are arranged on the outer lock core at one side of the upper marble 6, a spring 8 is arranged in the marble holes, a driven marble 7 is arranged in the marble holes, and a gear 16 is arranged between the upper marble 6 and the driven marble 7; a plurality of convex teeth are arranged on the upper marble 6 and the driven marble 7, the convex teeth are meshed with a gear 16, and the gear 16 is arranged on the outer lock core 2 by a shaft; the driven marble 7 can be pushed to move downwards by the gear 16 when the upper marble 6 moves upwards, and the driven marble 7 can be pushed to move upwards by the gear 16 when the upper marble 6 moves downwards.

As shown in fig. 1, the driven marble 7 is in front of the upper marble 6, and a section of the upper end of the driven marble 7 is folded to the right of the upper marble 6 to occupy the position of the driven marble 7 as shown in the figure; as shown in fig. 3, the spring 8, the lower section of the driven pin 7, the upper pin 6, and the rear locking lever 32 are bent forward from the upper end of the pin 7, and the upper end of the driven pin 7 and the front locking lever 31 are on the rear plane.

As shown in fig. 3, springs 8 are respectively arranged at the left ends of the front locking rod 31 and the rear locking rod 32, so that the right ends of the front locking rod 31 and the rear locking rod 32 are respectively pressed on the driven marble 7 and the upper marble 6; the upper marble 6 moves downwards to enable the rear locking rod 32 to move downwards, and meanwhile, the driven marble 7 is pushed by the gear 16 to move upwards to enable the front locking rod 31 to move upwards; the lower section of the lower marble 4 is thicker, the upper section is thinner, and when the lower marble 4 moves upwards and can not move any more, the front locking rod 31 and the rear locking rod 32 can not be contacted with the lock body 1 and the outer lock 2, and the movable ranges of all the lower marble 4 are the same, so that the difference between the marbles can not be estimated by mechanical sounding during technical unlocking.

As shown in fig. 2, the upper pins 6 and the upper ends of the driven pins 7 are on the same plane as the position of the pins when the lock shown in fig. 1 is inserted into a correct key.

As shown in fig. 4, the upper marble 6 moves upward to push the rear locking lever 32 to move upward, and at the same time, the upper marble 6 pushes the driven marble 7 to move downward through the gear 16, and the front locking lever 31 also moves downward along with the driven marble 7.

As shown in fig. 5, when the upper pins 6, the rear locking bar 32, the driven pins 7, and the front locking bar 31 are not in the correct positions, the inner plug 3 can still rotate by an angle, and the key loses control over the upper pins 6 by the lower pins 4.

As shown in fig. 6, when the upper pin 6 is not in the correct position, the inner pin 3 is continuously rotated, the outer pin 2 is rotated along with the rotation, the right end of the front locking rod 31 is an inclined plane, a groove with an inclined plane is also arranged on the lock body 1, and the right end of the front locking rod 31 is separated from the driven pin 7 to move upwards under the pushing of the groove, so that the lock is locked more dead; the right ends of the front locking bar 31 and the rear locking bar 32 are inclined planes, so that the front locking bar 31 or the rear locking bar 32 moves upwards as long as the front locking bar is in contact with the inclined planes of the grooves of the lock body 1 at one point.

As shown in fig. 7, when the upper pin 6 and the driven pin 7 are in the correct positions, the front lock lever 31 and the rear lock lever 32 are overlapped in the front-rear direction, and the inner plug 3 is rotated, so that the front lock lever 31 and the rear lock lever 32 can be normally unlocked without being blocked by the lock body 1, as shown in fig. 8.

As shown in fig. 9, when the inner cylinder 3 rotates by an angle, i.e., when the outer cylinder 2 is pushed to rotate, an auxiliary marble 41 and an auxiliary driven marble 42 are arranged on the outer cylinder 2 at the position corresponding to the lower marble 4, and a gear is arranged between the auxiliary marble 41 and the auxiliary driven marble 42; the auxiliary bullet groove 43 is arranged on the lock body 1, when the inner lock cylinder 3 rotates for one circle, as shown in fig. 10, the driven bullet 7 moves upwards under the pushing of the spring 8, the driven bullet 7 moves the upper bullet 6 downwards through the gear, the lock can be locked under the condition of no key insertion, and the lock can continue to rotate for a plurality of circles under the condition of correct key insertion.

As shown in fig. 11, an upper positioning pin 10 is arranged in the lock body 1, a spring 8 is arranged in the upper positioning pin 10, a lower positioning pin 9 is arranged on the outer lock core 2, a positioning groove 12 is arranged on the inner lock core 3, the right end of the positioning groove 12 is a section of cambered surface, and the left end is a section of inclined surface.

As shown in fig. 12, after the inner lock cylinder 3 rotates by an angle, the inclined surface of the positioning groove 12 can push the lower positioning pins 9 to move upwards, so that the upper positioning pins 10 are completely in the lock body 1, the lower positioning pins 9 are completely in the outer lock cylinder 2, and the outer lock cylinder 2 can rotate along with the rotation of the inner lock cylinder 3; as shown in fig. 1, a positioning rod 11 is arranged on an upper positioning marble 10, a positioning block 13 is arranged on the right side of the positioning rod 11, and a lug is arranged on the positioning block 13; the outer lock cylinder is provided with the spiral groove 23, the protruding block of the positioning block 13 is arranged in the spiral groove 23, and the rotation of the outer lock cylinder 2 can enable the positioning block 13 to move rightwards to the lower side of the positioning rod 11 and enable the positioning block 13 to move away from the lower side of the positioning rod 11.

As shown in fig. 13, a toggle groove is arranged on the outer lock cylinder 2, a toggle pin 17 and a toggle block 18 are arranged on the inner lock cylinder 3, and the toggle pin 17 and the toggle block 18 are overlapped in front-back direction; the lock body 1 is provided with a check pin 14, and the check pin 14 is provided with a spring 8; the lock body 1 is provided with a slidable groove, the pushing block 19 is arranged on the slidable groove, the pushing block 19 is provided with a movable block 52 by a shaft, the movable block 52 is provided with a speed limiting block 54, a spring 8 is arranged between the movable block 52 and the pushing block 19, and when the pushing block 19 pushes the movable block 52 to move rightwards with larger acceleration, the speed limiting block 54 has leftwards force to enable the right end of the movable block 52 to be lifted upwards; an arc-shaped sliding groove is formed in the lock body 1, an arc-shaped sliding block 53 is arranged on the arc-shaped sliding groove, an organic claw 51 is arranged on the arc-shaped sliding block 53 through a shaft, and the organic claw 51 can rotate anticlockwise under the action of gravity or a spring; a delay ring 20 is arranged on the outer lock cylinder 2, and the delay ring 20 can rotate on the outer lock cylinder 2; a plurality of convex teeth are arranged on the delay ring 20; as shown in fig. 1, a spring 21 is provided in the delay ring 20, and the spring 21 can rotate the delay ring 20 counterclockwise.

As shown in fig. 14, after the internal cylinder 3 rotates by an angle, the toggle block 18 can be contacted with the projection of the push block 19,

As shown in fig. 15, the inner lock cylinder 3 continues to rotate, the toggle block 18 moves the pushing block 19 rightward, the pushing block 19 pushes the arc-shaped sliding block 53 through the movable block 52, so that the arc-shaped sliding block 53 moves in an arc manner, and the claws 51 on the arc-shaped sliding block 53 can push the delay ring 20 to move clockwise.

As shown in fig. 16, when the inner cylinder 3 rotates counterclockwise, the push block 19 moves leftward, the arc slider 53 moves leftward and upward, the claw 51 rotates clockwise under the extrusion of the teeth of the delay ring 20, the claw 51 rotates counterclockwise under the action of gravity or a spring after being separated from the teeth of the delay ring 20, and after rotating by an angle, the mechanism of the claw 51 contacts with the arc slider 53 and stops.

As shown in fig. 17, the lock body 1 is provided with a check pin 14, the check pin 14 is provided with a groove, the right side of the check pin 14 is provided with a limiting plate 60, the limiting plate 60 is provided with a bulge, the limiting plate 60 is provided with a spring to press the limiting plate to the left, the limiting plate is mounted on the lock body 1 by a shaft, and the bulge of the limiting plate 60 can be clamped in the groove of the check pin 14 to limit the position of the check pin 14; a toggle pin 17 is arranged below the check pin 14, the toggle pin 17 is not shown in the figure, a toggle block 18 is arranged behind the toggle pin 17, a movable tongue 61 is arranged on the toggle block 18, and a spring 8 is arranged below the movable tongue 61; the check pin 14 and the toggle pin 17 are arranged on the front plane, the toggle block 18 is arranged on the rear plane, the limiting plate 60 covers the front plane and the rear plane, and the delay ring 20 is arranged on the rear plane of the toggle block 18; when the toggle pin 17 moves rightwards together with the toggle block 18, the movable tongue 61 pushes the limiting plate 60 to deflect rightwards, the toggle pin 17 is separated from the check pin 14, and the check pin 14 falls down as shown in fig. 13; the lock body 1 is provided with the check claw 58, the check claw 58 is arranged on the lock body 1 by a shaft, the right end of the check claw 58 is in contact with the delay ring 20, and the left end of the check claw 58 is provided with a weight, so that the right end of the check claw 58 is leaning against the delay ring 20, and the check claw 58 can be realized by a spring and can prevent the delay ring 20 from rotating anticlockwise; the right end of the check claw 58 is connected with the limiting plate 60 through the pull rod 59, a movable space is formed at the joint of the check claw 58 and the pull rod 59, the check claw 58 cannot move the limiting plate 60 when being pushed by the convex teeth of the delay ring 20, and the limiting plate 60 deflects rightwards to pull the check claw 58 to be separated from the delay ring 20.

As shown in fig. 18, the outer lock cylinder 2 and the inner lock cylinder 3 of the lock are integrated into a lock cylinder 70, the upper marble 6 and the lower marble 4 are integrated into a marble 71, a locking pin 72 is additionally arranged on a hollow area of the lock cylinder 70, and the locking pin 72 can slide on the lock cylinder 70; the tongue-shaped pin 74 is additionally arranged on the hollowed-out area, and the spring 8 is additionally arranged, so that when the lock cylinder 70 rotates in the unlocking direction, the tongue-shaped pin 74 is extruded by the lock body 1 to move downwards; a connecting rod 73 is additionally arranged between the tongue-shaped pin 74 and the locking pin 72, and the downward movement of the tongue-shaped pin 74 can enable the locking pin 72 to move towards the marble 71 through the connecting rod 73; convex teeth are arranged on the locking pin 72 and the marble 71, and the locking pin 72 moves towards the marble 71 to lock the position of the marble 71 so as to prevent the marble from moving; the pins 71 of the lock can be locked by one locking pin 72, and the front-rear width of the locking pin 72 can cover the width of all pins 71, and at least one tongue pin 74 is required to drive the locking pin 72.

As shown in fig. 19, after the lock cylinder 70 is rotated by a certain angle in the unlocking direction, the tongue pin 74 is pressed by the lock body 1 to lock the lock pin 72 to the position of the pin 71 via the link 73, and the pin 71 cannot move up and down; when the lock core 70 is rotated again, the front locking rod 31 and the rear locking rod 32 are overlapped in front-back direction when the positions of the lock core 70 are correct, the lockset can be opened, and when the positions of the lock core 70 are incorrect, the front locking rod 31 and the rear locking rod 32 are necessarily in collision with grooves on the lock body 1, so that the lock body 1 can slide, and the lockset can not be opened.

As shown in fig. 20, the lock shown in fig. 18 is removed from the lock, with the lock pin 72, the link 73, and the tongue pin 74 removed.

As shown in fig. 21, which is an enlarged detail view of the pushing device of the delay ring 20, the movable block 52 is axially mounted on the pushing block 19, the right end of the movable block 52 is a cambered surface concentric with the mounting shaft, the left end of the arc-shaped sliding block 53 is provided with a roller 56, and the resistance can be reduced when the right end of the movable block 52 moves upwards; a spring is arranged between the pushing block 19 and the lock body 1 to enable the pushing block to move leftwards; the fixed block 55 is arranged on the lock body 1, a spring 8 is arranged between the arc-shaped sliding block 53 and the fixed block 55, so that the arc-shaped sliding block 53 moves towards the movable block 52, the fixed block 55 can prevent the arc-shaped sliding block 53 from excessively moving towards the movable block 52, and when the pushing block 19 and the arc-shaped sliding block 53 are not subjected to external force, the movable block 52 and the arc-shaped sliding block 53 have a certain distance; the spring 8 between the movable block 52 and the pushing block 19 can be removed, and can be realized by gravity, and a blocking device is arranged at a proper position of the pushing block 19, so that the movable block 52 cannot rotate excessively, and the movable block 52 cannot fall down to reset.

As shown in fig. 22, when the pushing block 19 moves rightwards with a larger acceleration, the right end of the movable block 52 is lifted upwards due to a leftward force of the inertial speed limiting block 54, so that the arc-shaped sliding block 53 cannot be pushed, and the purpose of time delay is achieved; the mass of the pushing block 19 and the arc-shaped sliding block 53 can be properly increased, and the restoring speed of the pushing block 19 and the arc-shaped sliding block 53 when external force is lost can be controlled by matching with a proper spring 8, so that the purpose of time delay can be achieved.

As shown in fig. 23, the upper ball 6, the driven ball 7 and the gear 16 are combined in a perspective view, and the upper ball 6 moves upward, and the driven ball 7 moves downward through the gear 16.

As shown in fig. 24, the upper ball 6, the driven ball 7 and the gear 16 are partially assembled in a perspective view, and the upper ball 6 moves downward, and the driven ball 7 moves upward through the gear 16.

As shown in fig. 25, the gear 16 between the upper pin 6 and the driven pin 7 is replaced by a lever 25, the driven pin 7 is on the former plane, the upper pin 6 is on the latter plane, the lever 25 is between the driven pin 7 and the upper pin 6, and the fulcrum in the middle of the lever 25 is on the lock body 1.

As shown in fig. 26, when the driven pin 7 moves upward, the upper pin 6 is moved downward by the lever 25.

As shown in fig. 27, the lower section of the driven marble 7 is made thinner, the spring used by the driven marble 7 can be sleeved on the thin end, and after the driven marble 7 moves downwards for a certain distance under the action of external force, the thin end of the driven marble 7 can touch the bottom of the marble hole and can not move any more.

As shown in fig. 28, the spiral groove 23 of the outer lock cylinder 2 is changed in a conventional spiral manner, and the circumferential surface is unfolded to be in the shape shown in fig. 28; in the case that the existing lockset is unlocked by turning a key for two circles, the spiral groove 23 can be made into a shape as shown in fig. 28, and two circular rings with notches are connected by an inclined plane in the middle; in the initial unlocking state, the positioning block is positioned at the position a, and the spiral groove moves rightwards during unlocking; the positioning block is positioned at the position b when the outer lock cylinder rotates for one circle, and the positioning block is positioned at the position c when the inner lock cylinder rotates for two circles and the outer lock cylinder rotates for less than two circles; this is more space-saving.

Embodiment 1, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15, fig. 16, fig. 17, fig. 21, fig. 22, fig. 23, fig. 24, fig. 25, fig. 26, fig. 28, and the lock according to the embodiment 1, the key cannot be pulled out after unlocking the lock when the outer lock cylinder 2 rotates less than one revolution, and the key cannot be pulled out after unlocking the lock when the outer lock cylinder 2 rotates one or more revolutions is necessary, and the key must be pulled out after the inner lock cylinder 3 rotates an angle; when the diameters of the upper marble 6, the lower marble 4, the marble 5 and the driven marble 7 are the same, the driven marble 7 is shaped as shown in fig. 27; the spiral grooves may be formed in a conventional spiral shape or may be formed in a shape as shown in fig. 28.

In the embodiment 2, as shown in fig. 9 and 10, an auxiliary marble 41 and an auxiliary driven marble 42 are additionally arranged on the basis of the embodiment 1, when the inner lock cylinder 3 of the lockset of the embodiment rotates for one or more circles, a key can be directly pulled out, and the outer lock cylinder 2 rotates for less than one or more circles; the positioning block 13, the positioning rod 11 and the spiral groove 23 are not needed on the lockset which can be unlocked when the inner lock cylinder 3 rotates for one circle.

Embodiment 3, as shown in fig. 18 and 19, is embodiment 3, and has a relatively simple structure, and is formed by removing the upper positioning pins 10, the lower positioning pins 9, the positioning grooves 12, the positioning rods 11, the positioning blocks 13 and the spiral grooves 23 on the basis of embodiment 1, wherein the embodiment uses the driven pins 7 shown in fig. 27, and in the locked state, the lower ends of all the driven pins 7 are equidistant from the bottoms of the pin holes, the pins 71 push upwards for the same distance to enable the lower ends of the driven pins 7 to touch the bottoms of the pin holes, and the pins 71 move to the maximum extent, so that the front locking rod 31 and the rear locking rod 32 cannot be contacted with the lock body 1 and the lock cylinder 70, and the technical unlocking cannot be estimated by mechanical sounding; the function of this embodiment is the same as that of embodiment 2, and the key can be pulled out when the key is turned one or more times during unlocking, and the time delay device can also be used.

Embodiment 4, as shown in fig. 20, removes the timing delay device, the locking pin 72, the connecting rod 72 and the tongue pin 74 on the basis of embodiment 3 to form a lock with a structure relatively simpler than that of embodiment 3 and a certain anti-theft function.

Claims (5)

1. A lever crossed anti-theft lock capable of amplifying technical unlocking errors comprises a lock body (1), an outer lock cylinder (2) and an inner lock cylinder (3), wherein an upper ball (6) is arranged in the outer lock cylinder (2), a lower ball (4) is arranged in the inner lock cylinder (3), a ball (5) is arranged between the upper ball (6) and the lower ball (4), a positioning groove (12) is formed in the inner lock cylinder (3), a lower positioning ball (9) is formed in the outer lock cylinder (2), an upper positioning ball (10) is arranged on the lock body (1), the inner lock cylinder (3) rotates by an angle, the positioning groove (12) pushes the lower positioning ball (9), the lower positioning ball (9) pushes the upper positioning ball (10) to a preset position, and the outer lock cylinder (2) can rotate relative to the lock body (1); the method is characterized in that: on the outer lock core (2), one side of the upper marble (6) is provided with a driven marble (7), a gear (16) is arranged between the upper marble (6) and the driven marble (7), the upper marble (6) and the driven marble (7) are provided with convex teeth meshed with the gear (16), the driven marble (7) can be moved by the movement of the upper marble (6) through the gear (16), the lower marble (4) can push the marble (5), and the marble (5) can push the upper marble (6); a front locking rod (31) and a rear locking rod (32) are arranged on the outer lock cylinder (2) at the positions corresponding to the upper marble (6) and the driven marble (7), the middle parts of the front locking rod (31) and the rear locking rod (32) are arranged on the outer lock cylinder (2) by a shaft, one end of the front locking rod is provided with a spring (8) which is jacked upwards, the other end of the front locking rod is respectively pressed on the driven marble (7) and the upper marble (6), and the relative positions of the front locking rod (31) and the rear locking rod (32) can be moved by the position movement of the lower marble (4); one end of the front locking rod (31) and one end of the rear locking rod (32) are triangles provided with inclined planes, and the other end is rectangular; a groove with an inclined plane is arranged on the lock body (1); a delay ring (20) is arranged on the outer lock cylinder (2), and the delay ring (20) can rotate on the outer lock cylinder (2); a plurality of convex teeth are arranged on the delay ring (20); a spring (21) is arranged on the delay ring (20), and the spring (21) can enable the delay ring (20) to rotate anticlockwise; a pushing block (19) is arranged at the position corresponding to the poking pin (17) on the lock body (1), a movable block (52) is arranged on the pushing block (19), an arc-shaped sliding block (53) is arranged at the position corresponding to the movable block (52), and a claw (51) is arranged on the arc-shaped sliding block (53); the lock body (1) is provided with a check claw (58) and a limiting plate (60), and a pull rod (59) is arranged between the check claw (58) and the limiting plate (60).

2. A lever-crossing anti-theft lock capable of amplifying a technical unlocking error according to claim 1, characterized in that: an auxiliary marble (41) and an auxiliary driven marble (42) are arranged on the outer lock cylinder (2), and a gear (16) is arranged between the auxiliary marble (41) and the auxiliary driven marble (42).

3. A lever-crossing anti-theft lock capable of amplifying a technical unlocking error according to claim 1, characterized in that: the positioning pin tumbler positioning device is characterized in that a positioning rod (11) is arranged on the upper positioning pin tumbler (10), a positioning block (13) is arranged on the outer lock cylinder (2) at the corresponding position of the positioning rod (11), a convex block is arranged on the positioning block (13), a spiral groove (23) is formed in the outer lock cylinder (2) corresponding to the convex block, the convex block is placed in the spiral groove (23), and the rotation of the outer lock cylinder (2) can push the positioning block (13) to limit or separate from the positioning rod (11) on the upper positioning pin tumbler (10) through the spiral groove (23).

4. A lever-crossing anti-theft lock capable of amplifying a technical unlocking error according to claim 1, characterized in that: a speed limiting block (54) is arranged on the movable block (52); the contact surfaces of the arc-shaped sliding blocks (53) and the movable blocks (52) are all made into arc surfaces taking the installation shaft of the movable blocks (52) as the center of a circle; a roller (56) is arranged on the contact surface of the arc-shaped sliding block (53) or the movable block (52).

5. A lever-type cross antitheft lock capable of amplifying a technical unlocking error according to claim 1 or 4, characterized in that: the driven marble (7) is made into a shape with a thick upper section and a thin lower section, and a spring (8) used by the driven marble (7) is sleeved on the thin end of the driven marble (7).