阅读说明：本技术 一种新型弹子锁具 (Novel cylinder lock ) 是由 葛广成 于 2018-07-01 设计创作，主要内容包括：本发明提供了一种新型弹子锁具,一种上、下弹子(4、3)先锁定再分离之后开启的弹子锁,在锁体(2)、锁芯(3)上,在上、下弹子(4、3)的交界处设置镂空区；在锁芯旋转的初期,锁芯(1)内的下弹子(3)不能与锁体(2)接触,锁体(2)内的上弹子(4)不能与锁芯(1)接触,在此期间上、下弹子(4、3)被锁定杆锁(7、6)定然后分离；在上、下弹(4、3)子分离后,上、下弹(4、3)处在正确位置时继续转动锁芯(1)能能够打开锁具,上、下弹子(4、3)位置不正确时继续转动锁芯(1),突出的上弹子(4)与锁芯(1)相碰,突出的下弹子(3)与锁体(2)相碰,不能打开锁具,必须把锁芯(1)反转到初始位置进行下一次开启；可以在锁具上加装延时装置,第一次开启失败后须要若干时间后进行第二次开启。(The invention provides a novel spring lock, which is a spring lock that is opened after upper and lower springs (4 and 3) are locked and separated, wherein a hollow area is arranged at the junction of the upper and lower springs (4 and 3) on a lock body (2) and a lock core (3); at the initial stage of the rotation of the lock core, the lower marble (3) in the lock core (1) can not contact with the lock body (2), the upper marble (4) in the lock body (2) can not contact with the lock core (1), and the upper marble (4) and the lower marble (3) are separated after being fixed by the locking rod locks (7 and 6); after the upper and lower bullets (4 and 3) are separated, when the upper and lower bullets (4 and 3) are in correct positions, the lock cylinder (1) continues to be rotated, so that the lock can be opened, when the upper and lower bullets (4 and 3) are in incorrect positions, the lock cylinder (1) continues to be rotated, the protruded upper bullet (4) collides with the lock cylinder (1), the protruded lower bullet (3) collides with the lock body (2), the lock cannot be opened, and the lock cylinder (1) must be reversed to the initial position for next unlocking; the time delay device can be additionally arranged on the lockset, and the lockset needs a plurality of times to be opened for the second time after the first time of opening failure.)

1. The utility model provides a novel marble lockset, includes lock body (2), lock core (1) and key (81) to and install lower marble (3) in lock core (1) and install last marble (4) in lock body (2), its characterized in that: hollow areas are arranged on the lock body (2) and the lock core (1), lower locking rods (6) and locking rings (18) connected with the lower locking rods are arranged on two sides of the lower marble (3), and upper locking rods (7) and locking lockpins (5) and locking shafts (11) connected with the upper locking rods are arranged on two sides of the upper marble (40).

2. A novel cylinder lock as claimed in claim 1, characterized in that: the lock is characterized in that lower protruding points (66) are arranged at the tail ends of lower locking rods (6) on two sides of the lower marble (3), lower locking grooves (19) are formed in the inner sides of locking rings (18) fixed on the lock body (2), the lower locking grooves (19) are bent in a V shape, and the lower protruding points (66) extend into the lower locking grooves (19).

3. A novel cylinder lock as claimed in claim 1, characterized in that: the locking pin is characterized in that the tail ends of the upper locking rods (7) on two sides of the upper marble (4) are provided with upper protruding points (76), the locking pin (5) is provided with an upper locking groove (51), the upper protruding points (76) extend into the upper locking groove (51), the locking pin (5) is in contact with the locking shaft (11), and the locking shaft (11) is provided with a V-shaped notch.

4. A novel cylinder lock as claimed in claim 1, characterized in that: the lower marble (3) is divided into an upper section, a middle section and a lower section, the cross sections of the upper section and the lower section are the same, the width of the middle section is smaller than the width of the upper section and the lower section, the tail end of the lower section of the lower marble (3) is provided with a protrusion (32), the protrusion (32) is contacted with a key upper protrusion (82), the middle section of the lower marble (3) is provided with a plurality of tooth protrusions (31), the lower locking rod (6) is provided with a plurality of tooth protrusions (63), and the tooth protrusions (63) of the lower locking rod (6) are meshed with the tooth protrusions (31) of the middle section of the lower marble (3); the upper marble (4) is divided into an upper section, a middle section and a lower section, the cross sections of the upper section and the lower section are the same, the width of the middle section is smaller than the width of the upper section and the lower section, a plurality of tooth protrusions are arranged on the middle section, a plurality of tooth protrusions are arranged on the upper locking rod (7), and the tooth protrusions of the upper locking rod (7) are meshed with the tooth protrusions of the middle section of the upper marble (4).

5. The new cylinder lock set as claimed in claim 4, wherein: the length of the middle section of the lower marble (3) is that when the upper section of the lower marble (3) is contacted with the lower lock rod (6), a certain gap is formed between the lower section protrusion (32) of the lower marble (3) and the bottom of the key hole (8); when the lower section of the lower marble (3) is contacted with the lower locking rod (6), the key can be smoothly inserted into the key hole (8).

6. The new cylinder lock set as claimed in claim 4, wherein: the planes of the tooth protrusions (31, 63) on the lower marble (3) and the lower locking rod (6) are inclined, and the lower locking rod (6) has a squeezing effect in the process of locking the lower marble (3).

7. A novel cylinder lock as claimed in claim 1, characterized in that: hollow areas are arranged on the lock body (4) and the lock core (3) at the interface of the upper marble (4) and the lower marble (3) and on the two sides of the upper marble (4) and the lower marble (3).

8. A novel tumbler lock according to claim 7, wherein: when the lock core (1) is unlocked and rotated, an elastic pad is arranged on a vertical surface (P) close to the lower marble (3) on the hollowed-out area of the lock body (2); an elastic pad is arranged on a vertical surface (Q) close to the upper marble (4) on the hollowed-out area of the lock core (1); the elastic pad is made of elastic substances such as rubber or silica gel.

9. A novel cylinder lock as claimed in claim 1, characterized in that: the lock core (1) is additionally provided with a delay ring (100), a lower stop block (109) is arranged on the delay ring (100), an upper stop block (108) is arranged at the corresponding position of the lower stop block (109), a limiting rod (104) is arranged in connection with the upper stop block (108), and the limiting rod (104) is connected with one end of a cross rod (103); the cross rod (103) is fixed on a shaft of the delayer (101), the other end of the cross rod (103) is provided with a reset rod (102), the other end of the reset rod (102) is provided with a reset hole (112), and a lever (110) is arranged in the reset hole (112); a pulling rod (105) is fixed in the middle of the cross rod (103), and in an unlocking initial state, a pulling shaft (106) is arranged on the delay ring (100) close to the pulling rod (105); the limiting rod (104), the reset rod (102) and the cross rod (103) are movably connected and are realized by a shaft, a hook and the like.

10. A novel tumbler lock according to claim 9, wherein: a movable rod (113) is arranged on the pulling rod (105), the movable rod (113) is rotatably arranged on the pulling rod (105) through a shaft, and the movable rod (113) can rotate around the shaft for a certain angle below 180 degrees; the reset hole (112) at the tail end of the reset rod (102) is larger, and the lever (110) can move a certain distance in the reset hole (112).

Technical Field

The invention relates to a mechanical lock, in particular to a cylinder lock.

Background

The existing spring lock is fixed as an A-level lock, and the existing unlocking technology can unlock the lock within one minute, so that the lock is hardly prevented from being stolen; the blade lock of higher level also has opening technology, and for the V-shaped notch, the opening method by using the foam rubber strip can be opened in a shorter time; the existing lock is unlocked by rotation, and the lock cylinder can rotate to indicate that a marble or a blade is in a correct position, so that the lock can be unlocked; the existing unlocking technology uses high-precision mechanical equipment, can perform trial and error for many times within one second, and is often stolen due to technical unlocking.

Disclosure of Invention

Based on the problems of the prior art, the invention provides a novel spring lock, which needs to adjust the height of a spring, rotate a lock core, lock the positions of an upper spring and a lower spring, separate the upper spring and the lower spring, rotate the upper spring and the lower spring, know whether the spring is correct, and open the lock when the position of the spring is correct; when the lock is unlocked by the technology, the lock cannot be opened when the upper marble and the lower marble are incorrect, and the lock core needs to be reversed for next trial and error, so that the trial and error times in unit time can be reduced as much as possible; after a time delay device is additionally arranged, the next trial and error is carried out after a period of time is required after each trial and error; the length of the interval time can be set according to the security level, and the time can be 1-5 minutes for common household; the master is inconvenient due to too long time, the key can be unlocked by using the correct key after inserting the wrong key for a period of time, and the interval time can be set according to the actual security level.

The starting mode of the invention is as follows: when a correct key is inserted, the marble reaches the correct position, the key is rotated, the upper marble and the lower marble are locked and then rotated, the upper marble and the lower marble are separated, and then the lockset is rotated to be opened; when the lock is unlocked by the technology, the upper spring and the lower spring are moved up and down, valuable information cannot be obtained, the lock cylinder is rotated, the upper spring and the lower spring are separated after being locked, and the lock cannot be unlocked by rotating the lock, so that the situation that the positions of the upper spring and the lower spring are not opposite is known, the upper spring and the lower spring cannot move at the moment, and the lock cylinder needs to be reversed to perform next trial.

In order to achieve the purpose, the spring lock comprises a lock body, a lock core and a key, wherein a cylindrical cavity is formed in the lock body, and the lock core is arranged in the cavity of the lock body; the lock core is provided with a key hole extending along the axial direction, and the key extends into the key hole to operate the upper and lower movements of the lower marble in the lock core; a plurality of radial marble holes are arranged in the lock core and are arranged along the axial direction of the lock core, lower marbles are arranged in the marble holes, lower locking rods are arranged on two sides of the lower marbles, and lower protruding points are arranged at the tail ends of the lower locking rods; a locking ring is fixed on the lock body, a lower locking groove is formed in the inner side of the locking ring, and a lower protruding point at the tail end of the lower locking rod extends into the lower locking groove of the locking ring; the lock body is internally provided with a marble hole, an upper marble is arranged in the marble hole in the lock body and is provided with a spring, two sides of the upper marble are provided with upper locking rods, the tail end of each upper locking rod is provided with an upper protruding point, a locking pin is arranged at the upper protruding point and is provided with an upper locking groove, the upper protruding point extends into the upper locking groove on the locking pin, the locking pin is in contact with a locking shaft, the locking shaft is provided with a V-shaped notch, and the locking shaft is one section of the lock core.

At the junction of the upper marble and the lower marble, the lock bodies and the lock cores on the left side and the right side of the marble are hollow; the width of the lock is larger than that of the upper marble and the lower marble when the lock is separated, and the height of the lock is larger than that of the upper marble and the lower marble when the lock can move, namely, the upper marble can not touch the bottom of a hollow area of the lock core when moving to the lock core to the maximum, the lower marble can not touch the top of the hollow area of the lock body when moving to the lock body to the maximum, before the upper marble and the lower marble are separated in a left-right displacement mode, the upper marble can not touch the left vertical surface and the right vertical surface of the lock core, and the lower marble can not touch the left vertical surface.

The lower marble of the lockset is divided into an upper section, a middle section and a lower section, the three sections are an integral body, the cross sections of the upper section and the lower section are the same, the cross section of the middle section is narrower than the cross sections of the upper section and the lower section, and a plurality of tooth protrusions are arranged on the contact surface of the middle section and the lower locking rod; the lower locking rod is provided with a plurality of lower lugs, the lower lugs are provided with a plurality of tooth protrusions, and the tooth protrusions on the lower locking rod are matched with the tooth protrusions on the lower marble; a protrusion is arranged on one side of the tail end of the lower marble, the protrusion is in contact with a protrusion on a key, and the protrusion of the key can push the lower marble to a correct position; the tail end of the lower locking rod is folded towards the locking ring, the tail end of the locking rod is provided with a lower protruding point, the lower protruding point extends into a lower locking groove of the locking ring, the locking ring is fixed on the lock body, the lower locking groove is annular, most of the lower locking groove is on the same plane, and a small part of the lower locking groove is provided with a V-shaped bend; in the initial state of unlocking, the lower salient point is arranged at the bottom of the V-shaped bend of the lower locking groove, a matched key is inserted, the lower marble is pushed to the lower determined position, the key and the lock core are rotated, the lower salient point is pushed to the V-shaped bend opening part, the lower marble is locked by the lower locking rod, and the lockset can be opened by continuously rotating the key.

The heights of the lower sections and the middle sections of all the lower marbles are different, and the heights of the protrusions at the tail ends of the lower sections are completely the same; therefore, valuable information cannot be obtained from the key hole in the technical unlocking process, the lower marble can be upwards supported in the technical unlocking process, the lower marble can only touch the lower locking rod and cannot touch the lock body, and the height of the upper section of the lower marble cannot be estimated.

The width of the projection at the tail end of the lower section of the lower marble is smaller than half of the width of the lower marble, one part of the projections of the lower marble are arranged on the left side and the other part of the projections of the lower marble are arranged on the right side alternately, and the projections of the lower marble are arranged at a certain distance from each other, so that the projection of the key has a gentle slope and the key can be conveniently inserted; if necessary, the utility model can be made into three rows.

The upper marble of the lockset is divided into an upper section, a middle section and a lower section, the cross sections of the upper section and the lower section are the same, the middle section is narrower than the upper section and the lower section, and a plurality of tooth protrusions are arranged on the middle section; a plurality of protruding blocks are arranged on the upper locking rod, a plurality of tooth protrusions are arranged on the protruding blocks, and the tooth protrusions on the upper locking rod are matched with the tooth protrusions of the upper marble; the tail end of the upper locking rod is provided with an upper protruding point, the upper protruding point extends into an upper locking groove on the locking pin, and the width of the middle section of the upper locking groove is equal to that of the upper protruding point, and the upper protruding point is composed of double inclined planes; the locking pin is in contact with the locking shaft, the locking shaft is provided with a V-shaped notch, and the locking shaft is one section of the lock cylinder; when a matched key is inserted into the lock core, the upper marble reaches the correct position under the pushing of the lower marble; the lock pin and the upper locking groove move up and down under the pushing of the locking shaft, the upper protruding point moves horizontally in the upper locking groove, the upper locking rod also moves horizontally along with the upper protruding point, and the tooth protrusions of the upper locking rod and the tooth protrusions of the upper marble are in mutual contact or are separated, so that the upper marble is locked or separated.

The lower section of the upper locking groove on the locking pin is made into an inverted V shape, so that the upper salient point can conveniently enter the upper locking groove, and the locking pin can be conveniently installed.

When the lockset is inserted into a matched key to unlock the lockset, the upper marble and the lower marble are in correct positions, the key is rotated for an angle, the upper marble and the lower marble are locked, the upper marble and the lower marble are separated after the key is rotated for an angle, and the lockset is continuously rotated to unlock the lockset.

When an illegal key and technology are used for unlocking, the interface of the upper marble and the lower marble is not in the correct position, the lock core can still be rotated for an angle, the upper marble and the lower marble are separated after being locked, the upper marble loses the control of the illegal key and technology unlocking, the lock core is continuously rotated, the protruded upper marble collides with the lock core, the protruded lower marble collides with the lock body, and the unlocking fails, at the moment, the upper marble and the lower marble are locked, cannot be continuously operated, cannot obtain valuable information any more, and must return to the initial position for probing again.

The cross sections of the upper marble and the lower marble are made into trapezoids, so that the upper marble and the lower marble can be continuously arranged, the upper marble and the lower marble cannot turn over, a small gap is reserved between the upper marble and the lower marble, more marbles can be filled in a lock core with a certain length, and the marble holes can be processed more easily; the upper marble and the lower marble can be made into various shapes, which are not listed here.

The height difference between the upper width and the lower width of the tooth protrusions on the upper locking rod and the lower locking rod and the height difference between the upper width and the lower width of the tooth protrusions on the upper marble and the lower marble are equal to or less than one; the protrusions on the key are provided with a plurality of height values with equal intervals, and the difference between every two adjacent height values is a height step difference, so that the height error of the protrusions on the key can be corrected to a certain extent.

In the manufacturing process of the lockset, processing errors exist certainly, the errors can be superposed when all components are matched, a gap can exist certainly when the lower locking rod locks the lower marble, the locking is not tight enough, and the opportunity is left for technical unlocking; the solution is as follows: the plane of the odontoid process of the lower marble and the plane of the odontoid process of the lower locking rod are made to be inclined, namely, the lower lug of the lower locking rod is made to be trapezoidal, and the plane of the odontoid process on the lower lug and the plane of the inner edge line of the lower locking rod are waists; the perpendicular line from the plane of the odontoid process to the plane of the inner side line is taken as the bottom, the moving direction of the lower locking rod when locking the lower marble is upward, and the upper bottom of the lower lug is smaller than the lower bottom; the plane of the tooth projection of the lower locking rod is parallel to the plane of the tooth projection of the lower marble, and the lower locking rod has a squeezing effect on the lower marble in the locking process.

The invention is a complete system, has certain technical opening difficulty and aims to further improve the technical opening difficulty; when the lock cylinder is unlocked and rotated, an elastic pad is additionally arranged on the vertical surface of the hollow area; namely, an elastic pad is additionally arranged on the vertical surface of the hollow-out area of the lock core close to the upper marble, and an elastic pad is additionally arranged on the vertical surface of the hollow-out area of the lock body close to the lower marble; the elastic pad is made of elastic substances such as rubber or silica gel; because the existing lockset is in rigid contact, when the existing lockset is contacted with a large force firstly, the later contact is not stressed yet, so that the technical unlocking is left with a chance, and a plurality of marbles are broken one by one; after the elastic cushion is added, because the error of the existing processing technology is generally 0.01 mm, the elastic force difference among a plurality of marbles is not large for the elastic cushion with a plurality of mm.

In order to further increase the difficulty of technology starting, a delay device is additionally arranged on the basis, and after the technology starting fails once, the next tentative starting can be carried out after a certain time.

In order to achieve the purpose, a delay ring is fixedly installed on the lock cylinder, a lower stop block is installed on the delay ring, an upper stop block is installed at a position corresponding to the upper edge of the lower stop block, a spring is installed on the upper end of the upper stop block, one corner of the lower stop block abuts against the upper stop block in an unlocking initial state, the upper stop block and the lower stop block are completely aligned after the unlocking direction rotates for a certain angle, the lower stop block rotates for a certain angle, the upper stop block and the lower stop block are separated, and the upper stop block can fall under the action of the spring to stop the lower stop block from rotating in the opposite direction of unlocking; in order to remove the blocking of the upper stop block to the lower stop block, a limiting rod is arranged beside the upper stop block, protruding blocks are respectively arranged at the corresponding positions of the upper stop block and the limiting rod, and the limiting rod can lift the upper stop block by using the protruding blocks to remove the blocking of the upper stop block to the lower stop block; the limiting rod is arranged at one end of a cross rod, and the cross rod is arranged on a shaft of the time delay device; the time delay device is a device of which the shaft can rotate for an angle under the action of external force and can rotate at a constant speed after the external force disappears, and is similar to a mechanical timer of a washing machine; the upper stop block is released by the limiting rod when the time delay device is rotated by external force, the upper stop block falls under the action of the spring to block the lower stop block when the upper stop block is separated from the lower stop block, and the upper stop block is lifted by the cross rod and the limiting rod when the time delay device rotates to remove the blocking of the lower stop block; a pulling rod is arranged in the middle of the horizontal rod of the time delay device, a movable rod is arranged on the pulling rod, the tail end of the movable rod is close to the time delay ring, a pulling shaft is arranged on the position, close to the movable rod, of the time delay ring, when the time delay ring rotates, the pulling shaft pushes the movable rod, the pulling rod and the horizontal rod of the time delay device to rotate, the upper stop block is opened by the limiting rod, the upper stop block falls to block the lower stop block, the pulling shaft pushes the movable rod for a certain distance and then is separated from the movable rod, and the time delay device rotates along with the lapse of time; the other end of the cross rod is provided with a reset rod, and the reset rod can force the delayer to rotate and reset under the action of external force, so as to lift the upper stop block; the upper end of the reset rod is connected with the other end of the cross rod, a reset hole is formed in the lower end of the reset rod, a lever is inserted into the reset hole, one end of the lever is fixed by a shaft, the other end of the lever can be in contact with the rotating lower stop block, the lower stop block can push the lever, the lever pushes the reset rod, the reset rod pushes the cross rod, and the time delay device forcibly rotates to lift the upper stop block; the lower stop dog can rotate the position of release link when normally unblanking, and the lower stop dog is the position that can not rotate the release link when unblanking fails.

When the lockset is locked, the upper stop block does not need to fall down, and the pulling rod and the reset rod do not need to generate displacement; a movable rod is arranged in the middle of the pulling rod through a shaft, a return spring is arranged on the shaft, when the lock is unlocked, the pulling shaft pushes the movable rod, the movable rod pushes the pulling rod, and the pulling rod can move; when the lock is locked, the pulling shaft rotates in the opposite direction, the pulling shaft pushes the movable rod, the movable rod freely rotates, the pulling rod does not generate displacement, and after the pulling shaft is separated from the movable rod, the movable rod can be reset by a spring or gravity and is close to the pulling rod; the reset hole of the reset rod is made larger, the lever can freely move for a certain distance in the reset hole, when no lower stop block is contacted, the lever is arranged at the bottom of the reset hole and can be realized by gravity or a spring, when the lower stop block is locked, the rotating direction of the lower stop block is opposite to the unlocking direction, the lower stop block pushes the lever, the lever can freely move for a certain distance in the reset hole, and the reset rod does not generate displacement; after the lever is separated from the lower stop block, the lever is reset to the bottom of the reset hole.

When the matched key is used for unlocking, the lock cylinder, the delay ring and the pulling shaft rotate, the pulling shaft pushes the pulling rod, the delayer and the transverse rod rotate, the limiting rod opens the upper stop block, the upper stop block is staggered with the lower stop block, and the lower stop block falls under the action of the spring; the upper marble and the lower marble are in correct positions and can continuously rotate towards the unlocking direction, and then rotate for an angle, the lower blocking block pushes the lever, the lever pushes the reset rod, the reset rod enables the upper blocking block to be lifted through the cross rod and the limiting rod, and the lock cylinder can enter the next rotation cycle; when the lock is locked, the lock core rotates reversely, the lower blocking block cannot push the reset rod, the shifting shaft cannot push the shifting rod, and the upper blocking block is always in a lifted state; when the technology is unlocked, the lock core cannot rotate towards the unlocking direction after the primary probing fails, the upper stop block falls down to block the lower stop block, the lock core cannot rotate in the opposite direction, and only after a period of time, the upper stop block is lifted by the rotation of the delayer, the lock core can return to the initial state to perform secondary probing.

Description of the drawings.

The observer faces the figure, and the upper, lower, left, and right of the observer are the upper, lower, left, and right of the figure, and the observer is the front when approaching the observer and the back when departing the observer.

Fig. 1 is a front view of the lock, the lower dotted frame is a keyhole 8, the middle lower dotted frame is a lower lock lever 6, and the upper dotted frame is an upper lock lever 7.

Fig. 2 is a schematic view of a key.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 4 is a cross-sectional view taken along line B-B of fig. 1.

Fig. 5 is a cross-sectional view taken along line C-C of fig. 1.

Fig. 6 is a cross-sectional view taken along line D-D of fig. 1.

Fig. 7 is a cross-sectional view taken along line F-F of fig. 3.

Fig. 8 is a cross-sectional view taken along line G-G of fig. 3.

Fig. 9 is a schematic view of a lower protruding section of the lower pin in the keyway.

FIG. 10 is a schematic view of the locking ring deployed flat with the locking ring inside facing forward.

Fig. 11 is a schematic view showing a state where the contact surface of the tumbler with the locking bar is inclined.

FIG. 12 is an enlarged view of a portion K of FIG. 3, wherein H-H is the inner edge line of the lower locking bar.

Fig. 13 is a partial enlarged view of L in fig. 8.

Fig. 14 is a perspective view of the locking pin 5.

Fig. 15 is a perspective view of the lower pin 3.

Fig. 16 is a perspective view of the lower locking bar and the two side adjustment plates.

Fig. 17 is a perspective view of the upper locking bar and the two side adjustment plates.

Figures 18-22 are schematic views of a lock in combination with a time delay device, all in perspective and with a portion of the lock body removed.

Fig. 18 is a schematic view of the position of the pin after insertion of the correct key.

Fig. 19 is a schematic view of the rotation of the time delay device after the correct key is inserted and rotated by an angle.

Fig. 20 is a schematic view of the rotation of the time delay device after the correct key is inserted and rotated by a further angle.

Fig. 21 is a schematic view showing the time delay device being reset after the inserted correct key is turned by 90 degrees.

Fig. 22 is a schematic view showing the lock cylinder locked after being turned an angle when a wrong key is inserted or the lock is unlocked by a technology.

Fig. 23 is an enlarged detail left and right view of the reset lever 102.

Fig. 24 is an enlarged detail view of the tap lever 105.

1-lock core, 11-locking shaft, 18-locking ring, 19-locking groove, 2-lock body, 3-lower marble, 4-upper marble, 5-locking pin, 6-lower locking rod, 7-upper locking rod, 8-keyhole, 81-key, 82-key protrusion, 9-spring, 31-tooth protrusion,

32-protrusion, 51-upper locking groove, 61-lower protrusion, 62-inner edge line, 63-dentate process, 64-lower adjusting plate, 66-lower protrusion point,

72-upper lug, 74-upper adjustment plate, 76-upper lug, 100-locking ring, 101-delayer, 102-reset rod, 103-crossbar,

104-a limiting rod, 105-a pulling rod, 106-a pulling shaft, 107-a spring 108-an upper stop block, 109-a lower stop block, 110-a lever, 111-a return spring, 112-a return hole and 113-a movable rod.

Detailed description of the preferred embodiments.

As shown in fig. 1 to 8, the embodiment of the present invention: the key 81 is inserted into the key hole 8, the lower marble 3 and the upper marble 4 are pushed to move up and down, so that the interfaces of the upper marble 4 and the lower marble 3 reach the line E-E, the key 81 and the lock cylinder 1 are rotated, the lower marble 3 is pushed to the locking position of the lower locking rod 6 by the locking ring 18, and the upper marble 4 is pushed to the locking position of the locking pin 5 and the upper locking rod 7 by the locking shaft 11; the key 81 and the lock cylinder 1 are continuously rotated, the upper marble 4 is separated from the lower marble 3, and then the key 81 and the lock cylinder 1 are continuously rotated to open the lockset.

As shown in fig. 1 to 8, the present invention includes: the lock comprises a lock body 2, a lock core 1 arranged in the lock body 2, a plurality of lower marbles 3 arranged in the lock core 1, lower locking rods 6 arranged at two sides of the lower marbles 3, a locking ring 18 contacted with the lower locking rods 6, and a lower locking groove 19 arranged at the inner side of the locking ring 18; an upper marble 4 installed in the lock body 2, an upper locking rod 7 installed at both sides of the upper marble 4, a locking pin 5 installed in the lock body 2 and contacting with the upper locking rod 7, and a locking shaft 11 contacting with the locking pin 5; a key hole 8 on the lock cylinder 1, and a key 81 insertable into the key hole 8.

The lock body 2 is internally provided with a cylindrical cavity for accommodating the lock core 1, the lock core 1 is arranged in the cavity, a plurality of lower pins 3 are axially arranged in the lock core 1, the lower sides of the lower pins 3 are provided with key holes 8, lower locking rods 6 are arranged at two sides of the middle part of the lower pins 3, the tail ends of the lower locking rods 6 are folded towards a locking ring 18 fixed on the lock body 2, lower protruding points 66 at the tail ends of the lower locking rods 6 extend into a lower locking groove 19 on the locking ring 18, and the lower locking groove 19 is provided with a V-shaped bend as shown in figure 10.

The lower protruding point 66 rotates along with the lock core 1, the lower protruding point 66 moves horizontally at the V-shaped bent part of the lower locking groove 19, that is, the lower protruding point 66 moves axially relative to the lock core 1, the lower locking rod 6 moves horizontally along with the lower protruding point 66, and the lower locking rod 6 locks or disengages from the lower pin 3.

As shown in fig. 3, a plurality of upper pins 4 are arranged in the lock body 2, springs 9 are pressed on the upper pins 4, upper locking rods 7 are arranged on two sides of the upper pins, as shown in fig. 17, the end of each upper locking rod is provided with an upper protruding point 76, as shown in fig. 14, the upper protruding point 76 extends into an upper locking groove 51 on the locking pin 5, and as shown in fig. 5, the locking pin 5 is in contact with the locking shaft 11. The locking shaft 11 is a section of the lock core 1, and a V-shaped notch is formed in the locking shaft.

The locking shaft 11 rotates along with the lock core 1 to push the locking pin 5 to move up and down, the upper convex point 76 moves horizontally under the push of the upper locking groove 51, the upper locking rod 7 moves horizontally along with the upper convex point 76, and the upper locking rod 7 locks or disengages from the upper marble 4.

As shown in fig. 15, the lower marble 3 is divided into an upper section, a middle section and a lower section, the cross sections of the upper section and the lower section are the same, the middle section is narrower than the upper section and the lower section, the middle section is provided with a plurality of tooth protrusions 31, and the tail end of the lower section is provided with a protrusion 32; as shown in fig. 16, the lower locking bar 6 has a plurality of protrusions 61, as shown in fig. 12, the line H-H is the left lower protrusion 61, the lower protrusion 61 has a plurality of teeth 63, the line H-H is the inner edge 62 of the lower locking bar, and the upper and lower sections of the lower pin 3 hang on the inner edge 62 of the lower locking bar 6.

As shown in fig. 13, which is a diagram of the positional relationship between the lower pin 3 and the lower lock lever 6, the lower protrusion 61, and the inner edge line 62, the lower pin 3 has a middle section shape of the lower pin, the upper and lower pins 3 are formed in upper and lower sections of the lower pin in dotted lines, and the upper and lower sections of the lower pin 3 are hung on the inner edge line 62 of the lower lock lever 6 to limit the movable range of the lower pin 3.

As shown in fig. 9, the protrusion 32 of the lower pin 3 is located at a position distributed in the keyhole 8, the width of the protrusion 32 is half of the width of the lower pin 3, and two adjacent protrusions 32 are not located on the same side.

The upper marble 4 is approximately the same as the lower marble 3 in shape, the lower marble 3 is in the shape of the upper marble 4 by removing the protrusion 32 and turning the lower marble 3 upside down; the upper projection 71 and the tooth projection of the upper locking rod 7 are the same as the lower projection 61 and the tooth projection 63 of the lower locking rod 6; the upper locking lever 7 and the upper pin 4 are coupled to each other in the same manner as the lower pin 3 and the lower locking lever 6.

As shown in fig. 16, the lower adjusting plate 64 is located outside the lower locking rod, the width of the lower locking rod 6 and the lower adjusting plate 64 is the same as the width of the reserved channel on the lock cylinder 1, the lower pin tumbler 3 is firstly installed in the lock cylinder 1, then the locking rod 6 is installed in the lock cylinder 1, as shown in fig. 13, the tooth projection 31 of the lower pin tumbler 3 and the tooth projection 63 of the lower locking rod 6 are not located at the same position, the lower locking rod 6 is pushed towards the lower pin tumbler 3, the adjusting plate 64 is inserted outside, and the lower locking rods 6 on the left side and the lower adjusting plate 64 on the right side are fixed together after the lower locking rods 6 on the left side and the lower adjusting plate 64 on the right side are installed; the locking ring 18 is sleeved on the lock core 1, the lower protruding point 66 extends into the lower locking groove 19, the lower protruding point and the lower locking groove are installed in the lock body 2 together, and then the locking ring 18 is fixed on the lock body.

Aligning the lower marble 3 to the position of the upper marble 4, loading the upper marble 4 into a marble hole on the lock body 2, then loading a spring 9, and sealing the marble hole; the width of the upper locking rod 7 plus the adjusting plate 74 is equal to the width of the reserved channel in the lock body 2, then the upper locking rod 7 is installed in the lock body 2, then the adjusting plate 74 is pushed, the locking pin 5 is inserted, the upper salient point 76 slides into the upper locking groove 51, then the spring 9 is installed, and the upper locking pin hole on the lock body 2 is sealed.

The upper and lower adjusting plates are made into a plurality of different thicknesses according to machining errors, and are installed into the appropriate upper and lower adjusting plates according to actual measurement values during assembly, so that the influence of the machining errors on the lockset can be reduced.

Further, as shown in fig. 11, the contact surface of the lower pin tumbler 3 and the lower locking rod 6 is inclined by a certain amount, the lower protrusion block 62 is made into a trapezoid, the movement direction of the lower locking rod 6 when locking the lower pin tumbler 3 is the same as the upper direction, the upper bottom of the trapezoid is smaller than the lower bottom, and the contact surface of the lower pin tumbler 3 and the lower locking rod 6 is made into a parallel; it will be more compact during the locking process.

Next, as shown in fig. 22, an elastic pad is attached to the P-vertical surface of the hollow area on the lock body 2, and an elastic pad is attached to the Q-vertical surface of the hollow area on the lock cylinder, where the elastic pad may be made of rubber, silica gel, or the like.

Further, as shown in fig. 18, a delay device is additionally installed behind the lock body 2, when the lock is unlocked by the technique, after the trial is failed once, the trial cannot be performed for the second time within a certain time, and in order to achieve the purpose, the specific implementation mode is as follows:

as shown in fig. 18-22, the delay device group includes a delay ring 100, the delay ring 100 is fixed on the lock cylinder 1, and a lower stop block 109 and a pulling shaft 106 are fixed on the delay ring 100; the device comprises an upper stop 108, a spring 107, a time delay 101, a cross rod 103, a reset rod 102, a lever 110, a pulling rod 105, a movable rod 113 and a limiting rod 104.

As shown in fig. 18-22, all of the figures are schematic views of a lock body 3 with parts hidden, which are perspective views, the components are not in the same plane, the delay device is installed at the back of the lock body 2, the delay ring 100 is installed at the rear end of the lock cylinder 1, and the lower stop 109 and the pulling shaft 106 are installed on the delay ring 100; a fixed component is arranged at a position corresponding to the lock body 2, the fixed component is not shown and is used for installing a delayer 101, a lever 110, an upper block 108 and a spring 107, a limiting rod is arranged at one end of the cross rod 103 by a shaft, a reset rod 102 is arranged at the other end of the cross rod 103 by the shaft, a pulling rod 105 is fixedly arranged on a central shaft of the cross rod 101, and the pulling rod 105 and the cross rod 101 are integrated.

The lower stop block 109, the upper stop block 108, the limiting rod 104, the reset rod 102 and the lever 110 are on the same plane; the pulling rod 105 and the pulling shaft 106 are on the other plane.

As shown in fig. 19, when the key 8 is inserted with the correct key 81, the key cylinder is rotated, the pulling rod 105 is pushed by the pulling shaft 106, the stopper rod 104 moves downward to release the upper stopper 108, the lower stopper 109 abuts against the upper stopper 108, and the upper stopper 108 cannot fall.

As shown in fig. 20, when the key cylinder 1 is further rotated, the lower stopper 109 is displaced from the upper stopper 108, and the upper stopper 108 falls down to block the lower stopper 109 and the key cylinder 1 from being rotated counterclockwise.

As shown in fig. 21, the lock cylinder 1 continues to rotate, the lower stop 109 pushes the lever 110 to move down, the reset rod 102 moves down along with the lever 110, the cross bar 101 pushes the limit rod 104 to move up, and the upper stop 108 moves up along with the limit rod 104 to return to the original position.

As shown in fig. 22, in the case of technical unlocking or abnormal key unlocking, the lower marble 3 and the upper marble 4 are not in the same group of marbles and are not on the same plane, the lock cylinder 1 is rotated, the lock body 2 blocks the protruding lower marble 3, and the protruding upper marble 4 blocks the lock cylinder 1 so that the lock cylinder cannot rotate clockwise; the upper stop block 108 falls down to stop the lower stop block 108, so that the lock cylinder 1 cannot rotate anticlockwise, and the lock cylinder 1 is locked at the moment; the delayer 101 starts to rotate anticlockwise along with the lapse of time, the cross rod 103 rotates anticlockwise under the pushing of the delayer 101, the cross rod 103 drags the limiting rod 104 to move upwards, the limiting rod 104 drags the upper stop block 108 to move upwards, and after the limiting rod 104 and the upper stop block 108 return to the original position, the lock cylinder 1 can return to the original position anticlockwise.

Fig. 23 is a left-right enlarged view of the reset rod 102 in fig. 18-22, the lower portion of the reset rod has a rectangular reset hole 112, the lever 110 penetrates through the reset hole, when the lower stop 109 is not in contact, the lever 110 falls on the bottom of the reset hole 112 under the action of gravity, when the lock is locked, the lock cylinder 1 and the lower stop 109 rotate counterclockwise, the lower stop 109 lifts the lever 110 for a certain distance, and the lever 110 freely moves in the reset hole 112, so that the reset rod 102 is not displaced; when the lock is used in a vertically-turnable environment, the lever 110 needs to be additionally provided with a return spring.

FIG. 24 is an enlarged detail view of the tap lever 105 of FIGS. 18-22, with the tap lever 105 having the movable lever 113 attached thereto, the movable lever 113 being pivotally attached to the tap lever 105, and the return spring 111 being attached to the shaft; when the movable rod 113 is not touched, the movable rod 113 is tightly attached to the pulling rod 105 under the action of the return spring 111, when the lock is unlocked, the lock cylinder 1 and the pulling shaft 106 rotate clockwise, the movable rod 113 is pushed by the pulling shaft 106, and the pulling rod 105 moves along with the movable rod 113 and the pulling shaft 106; when the lockset is locked, the lock cylinder 1 and the pulling shaft 106 rotate anticlockwise, the pulling shaft 106 pushes the movable rod 113 leftwards, the movable rod 113 overcomes the reset spring 111 to rotate, and the pulling rod 105 does not generate displacement; the movable rod 113 and the tap rod 105 are seen as one integral tap rod 105 in fig. 18-22.

When the lockset is used in the environment that a door and the like can not be overturned up and down, the reset spring 111 is not needed under the condition that the pulling rod 105 is always vertical to the ground; when the lock cylinder 1 and the pulling shaft 106 rotate anticlockwise, the pulling shaft 106 pushes the movable rod 113 leftwards, the movable rod 111 rotates around the installation shaft, and the pulling rod 105 does not generate displacement; after the pulling shaft 106 is disengaged from the movable rod 113, the movable rod 113 returns to the original position by gravity.