CN111456550A - Lock delayer with time delay function - Google Patents

Lock delayer with time delay function Download PDF

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Publication number
CN111456550A
CN111456550A CN202010368534.5A CN202010368534A CN111456550A CN 111456550 A CN111456550 A CN 111456550A CN 202010368534 A CN202010368534 A CN 202010368534A CN 111456550 A CN111456550 A CN 111456550A
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CN
China
Prior art keywords
lock
delayer
rod
delay
delay ring
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010368534.5A
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Chinese (zh)
Inventor
葛广成
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202010368534.5A priority Critical patent/CN111456550A/en
Publication of CN111456550A publication Critical patent/CN111456550A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B43/00Time locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00Locks or fastenings with special structural characteristics
    • E05B63/0004Additional locks added to existing lock arrangements
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B43/00Time locks
    • E05B2043/002Time locks using mechanical clocks

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A time delay device with a time delay function is locked, wherein a time delay ring (4) is arranged on an auxiliary lock body (3), the time delay ring (4) can rotate in the auxiliary lock body (3), a time delay block (41) is arranged on the time delay ring (4), and the time delay block (41) can push a blocking device to reset when the time delay ring (4) rotates; the delay ring (4) is provided with convex teeth, the lock cylinder (2) is provided with a shifting piece (11), and the shifting piece (11) can push the delay ring (4) to rotate when the lock cylinder (2) swings back and forth; the lock core (2) is provided with a swing rod (9), and when the lock core (2) swings at a high speed, the swing rod (9) pushes the shifting piece to separate from the delay ring (4).

Description

Lock delayer with time delay function
Technical Field
The invention relates to the field of mechanical locks with a time delay function.
Background
In the lock cylinder invention patents with application numbers of 2018107035902, 2018108628002, 2018110160800 and 2019107318357, a key can rotate the lock cylinder by an angle without mistake, the mistake of the key can not be known after the lock cylinder rotates by a set angle, and the lock cylinder can continue to rotate until a lockset is opened when the key is correct; when the key is incorrect, the lock core can not continue to rotate towards the unlocking direction, a blocking device is arranged on the lock body, the lock core can not return to the initial state, the key can not be replaced, and the key structure of the lock core can not be operated; at the moment, a set of delayer is needed to remove the blocking device, a period of time is needed in the process of removing the blocking device by using the delayer, and a period of time is needed between two tentatively opened locks caused by the delayer.
Each of the above patents also has its own time delay, but they are relatively complicated in structure, large in space occupation, high in manufacturing cost, and limited in use of the mortise lock for doors.
Disclosure of Invention
In order to solve the problems, the invention provides a delayer with simple structure and small occupied space, wherein a section of auxiliary lock body is additionally arranged on the original lock body, the auxiliary lock body is fixed with the lock body together, a cylindrical cavity is arranged in the auxiliary body, and a lock core can rotate in the auxiliary lock body; the lock is characterized in that a reset rod is arranged in the auxiliary lock body, the reset rod can rotate in the auxiliary lock body, a spring is arranged between the reset rod and the auxiliary lock body, one end of the reset rod is pressed towards the lock core by the spring, a check block is arranged on the lock core, the reset rod can block the check block to prevent the lock core from rotating, the lock is provided with blocking devices with the same function, and the reset rod is used for releasing the blocking devices which are arranged in the lock core.
A delay ring is arranged in the auxiliary lock body and can rotate in the auxiliary lock body, a delay block is arranged on the delay ring, a control rod is arranged on the reset rod, and when the delay ring rotates, the delay block on the delay ring can push the control rod to rotate the reset rod; the lock core is provided with a shifting sheet, the delay ring is provided with convex teeth, and the shifting sheet can shift the delay ring to rotate when the lock core swings back and forth by an angle; a control groove is arranged on the auxiliary lock body, and the time-delay ring can be shifted only by the shifting piece at the control groove; the time delay ring is provided with convex teeth, one part of the time delay ring is not provided with the convex teeth, and when the shifting piece is positioned at a position without the convex teeth, the shifting piece cannot continuously shift the time delay ring to rotate; at the moment, the delay block completely pushes the control rod to enable the reset rod to remove the blockage of the lock cylinder, the lock cylinder can return to the initial position, when the lock cylinder returns to the initial position, the shifting piece pushes the delay ring to rotate for a certain distance, the delay block removes the control on the control rod, and the delay ring rotates to the position where the shifting piece can shift the delay ring when the lock cylinder swings back and forth due to the next unlocking failure.
The swing rod is arranged on the lock core and can rotate on the lock core, and springs are arranged on the swing rod and the lock core; when the lock core is static or swings at a low speed, the swing rod is separated from the shifting piece under the action of the spring; when the lock core swings back and forth quickly, the lock core swings unevenly with the swing rod, and the swing rod can push the shifting piece to enable the shifting piece to be separated from the delay ring without continuously shifting the delay ring.
When the lock core rotates towards the unlocking direction, the shifting piece cannot shift the delay ring, and when the lock core rotates towards the unlocking direction, the shifting piece can shift the delay ring to rotate for a certain distance when rotating for one circle; the time-delay ring is provided with a time-delay piece, the auxiliary lock body is provided with a sliding table, when the time-delay ring is shifted each time, the time-delay piece is positioned on the sliding table, the auxiliary lock body is provided with a sliding rod, the sliding rod is provided with a sliding block, and the lock cylinder is provided with a pushing table; after the time delay ring is stirred by the plectrum, the lock core continues to be rotated again, and the push bench extrudes the slide bar to make the slide block push the time delay piece, makes the time delay ring reverse a section of distance, and every time the lock core rotates a week when locking promptly, the time delay ring still is in original position.
A groove passing rod is further arranged at the control groove, a spring is arranged between the groove passing rod and the auxiliary lock body, when the lock is completely opened and then locked, and the poking piece passes through the control groove, the groove passing rod can support the poking piece so that the poking piece cannot poke the delay ring; namely, the time delay rings are kept still when the normal key is unlocked and locked.
When the width of the control groove is small, a shifting block is arranged on the lock cylinder, after the reset rod is reset by using the delay ring in each unlocking failure, the lock cylinder returns to an initial state, the shifting piece cannot shift the delay ring to rotate, and the delay block cannot be separated from the control rod; the lock core is provided with a shifting block, when the control rod is extruded by the delay ring, the delay piece is positioned on the sliding table, and the shifting block can push the delay piece to enable the delay ring to rotate for an angle in the process that the lock core returns to the initial state, so that the delay block is separated from the control rod, and the gap of the convex teeth of the delay ring is separated from the control groove.
When the control groove is large, in the process that the lock core rotates to the initial position, the shifting piece pushes the delay ring to rotate for a certain distance, when the next unlocking fails, the lock core is swung back and forth, and the shifting piece is located at the position of the delay ring with the convex teeth; time delay pieces, shifting blocks and sliding tables may not be used.
Furthermore, the reset rod is provided with a locking rod, a spring is arranged between the locking rod and the reset rod, and the spring enables the locking rod to point to the axis of the lock cylinder; the lock core is provided with a notch, when the check block passes through the reset rod during unlocking, the upper lock rod is arranged in the notch, and the reset rod can block the check block; when the non-return piece passes through the reset rod in the locking process, the upper locking rod cannot enter the gap, and the upper locking rod is extruded by the lock cylinder to enable the reset rod to be lifted, so that the reset rod cannot block the non-return piece in the locking process.
Drawings
Figure 1 is an overall perspective view of the lock,
figure 2 is a perspective view of the lock with the lock body removed,
figures 3 and 4 are matched perspective views of the reset rod and the check block,
figure 5 is a perspective view of the reset lever,
figure 6 is a perspective view of the retarder,
figure 7 is a perspective view of the secondary lock body,
figures 8 and 9 are perspective views of the delay ring,
figure 10 is a perspective view of a lock cylinder,
figure 11 is a perspective view of the paddle,
figure 12 is a perspective view of the swing link,
figure 13 is a perspective view of the connector block,
figures 14-18 are perspective views of the movement of the delay timer during normal unlocking of the lock,
figure 19 is a perspective view of a portion of the lock cylinder shown in cutaway,
figures 20, 21 and 22 are perspective views of the use of the time delay unit when the lock cannot be unlocked,
figures 23 and 24 are matched perspective views of the oscillating bar on the delayer,
figures 25-29 are perspective views of a post-use slotted rod,
figure 30 is a perspective view of the over-grooved rod,
FIGS. 31-35 are perspective views of the use of an upper lock lever,
1-lock body, 2-lock core, 3-auxiliary lock body, 4-time delay ring, 5-reset rod, 7-connecting block, 8-control rod, 9-swing rod, 10-groove passing rod, 11-shifting piece, 12-upper lock rod, 21-non-return block, 22-pushing table, 24-shifting block, 31-control groove, 32-sliding table, 34-sliding block, 35-sliding rod, 41-time delay block and 42-time delay piece.
Example 1: as shown in fig. 1-5, a cylindrical cavity is arranged in a lock body 1, a lock core 2 is arranged in the lock body 1, the lock core 2 can rotate in the lock body 1, when a key is incorrect, the lock core 2 can also rotate to the states shown in fig. 2 and 3, the lock core 2 can not continuously rotate to open a lock, a device corresponding to the key can not be adjusted, the lock core 2 can be changed into a correct key to be unlocked again only by reversing to an initial position, as shown in fig. 4, a check block 21 is arranged on the lock core 2, and the check block 21 is blocked by a reset rod 5 to prevent the lock core 2 from reversing to the initial state; as shown in fig. 3 and 4, the lock cylinder 2 can rotate back and forth by an angle; as shown in fig. 5, a control rod 8 is arranged on the reset rod 5, the control rod 8 is driven by the time delay unit through the back-and-forth rotation of the lock cylinder 2, so that the reset rod 5 releases the blocking of the check block 21, and the lock cylinder 2 can be reversely rotated to the initial position for next unlocking; the auxiliary lock body 3 is fixed with the lock body 1 and can also be made into a whole.
When the reset lever 5 is used on other locks of this type, the reset lever 5 can unblock the lock cylinder 2 by means of blocking the lock cylinder 2 from reversing.
As shown in fig. 6 to 13, a delay ring 4 is provided on the auxiliary lock body 3, the delay ring 4 can rotate in the auxiliary lock body 3, a delay block 41 is provided on the delay ring 4, a control rod 8 is provided on the reset rod 5, the delay block 41 can press the control rod 8 to move the position G, so that the reset rod 5 releases the blocking of the lock cylinder 2; a plectrum 11 is arranged on the lock core 2, a spring is arranged between the lock core 2 and the F end of the plectrum 11, and the spring enables the E end of the plectrum 11 to be pressed towards the delay ring 4; the reciprocating swing of the lock core 2 can enable the plectrum 11 to stir the delay ring 4 to rotate, a control groove 31 is arranged on the auxiliary lock body 3, the plectrum 11 can enter the control groove 31 to stir the delay ring 4, and the control groove 31 can push the plectrum 11 to be separated from the delay ring 4; the swing rod 9 is arranged on the lock cylinder 2, the swing rod 9 can rotate at an angle on the lock cylinder 2, a spring is arranged between the lock cylinder 2 and the swing rod 9, and when the lock cylinder 2 swings rapidly, the swing rod 9 can push the poking piece 11 to prevent the poking piece 11 from poking the delay ring 4; the lock is characterized in that the lock core 2 is provided with the connecting block 7, the connecting block 7 is commonly used for room door locks which are opened inside and outside, and the locks of other types can be opened by arranging the bulges or the grooves on the lock core 2.
As shown in fig. 9, a notch without convex teeth is arranged at the position C of the delay ring, a straight tooth is required to be arranged at the position a on the left side of the position C, a plurality of straight teeth are required to be arranged at the position B on the right side of the position C, and inclined teeth like the position D or straight teeth like the position A, B can be arranged at other positions; A. the straight teeth at the position B have the function that when the plectrum 11 pushes the delay ring 4 to rotate, the plectrum 11 can be pushed by the control groove 31 to be separated from the delay ring 4, and the inclined teeth arranged at other positions have the function of arranging more convex teeth on the delay ring 4 with the same size; the edge of the delay ring 4 is provided with a groove, and the delay ring 4 can be fixed on the auxiliary lock body 3 through a snap spring or a pin, so that the delay ring 4 rotates on a fixed section of the auxiliary lock body 2.
As shown in fig. 11, a spring is arranged between the part F of the plectrum and the lock cylinder 2, and the part E of the plectrum 11 can move towards the delay ring 4 under the action of the spring.
As shown in fig. 14-19, in the state when the lock is unlocked and locked by using the correct key, when the lock is unlocked, the lock cylinder 2 rotates counterclockwise, the dial 11 slides over the teeth of the delay ring 4, and the delay ring 4 cannot rotate, when the lock is locked, the dial 11 rotates clockwise to the control slot 31, the dial 11 can dial the delay ring 11 to rotate for a certain distance, the dial 11 is separated from the delay ring 4 under the pushing of the control slot 31, the delay piece 42 on the delay ring 4 rotates to the slide table 32 as shown in fig. 15, so that the delay piece 42 moves to the position where the slide block 34 can push, the slide block 34 is arranged on the secondary lock body 3 as shown in fig. 17 and 18, the slide rod 35 is arranged between the slide block 34 and the secondary lock body 3, a spring is arranged between M, N of the slide rod 35, when the slide rod 35 is squeezed at L, the slide rod 35 moves to the state as shown in fig. 18, when the slide rod 35 loses the external force, the slide rod 22 is arranged on the slide table 22, and the slide block 35 is connected to the slide block 16, and when the slide rod 35 is pushed, and the slide rod 35 is in the state, and the reset rod 35, and the slide rod is cut off, and when the slide rod is in the state, and the slide rod 35, and the slide rod is in fig. 18, and the state, and the slide rod is cut off, and the state when the slide.
When the unlocking fails without a correct key, the lock core 2 rotates as shown in fig. 20, the lock core 2 cannot continue to rotate counterclockwise, the lock core 2 can rotate clockwise by an angle and cannot return to the initial state, the lock core 2 can swing back and forth at the angle, the back and forth swing of the lock core 2 enables the plectrum 11 to stir the delay ring 4 to rotate clockwise, when the delay ring 4 rotates to approach to the state of fig. 21 by one circle, the notch of the convex tooth of the delay ring 4 rotates to the plectrum 11, the plectrum 11 cannot stir the delay ring 4 to rotate, at the moment, the control rod 8 is extruded by the delay block 41 to rotate the reset rod 5, the reset rod 5 releases the blocking on the lock core 2, the lock core 2 can push the delay ring 4 to rotate clockwise, when the lock core 2 rotates to the state of fig. 22, the lock core 2 can return to the initial state, the delay block 41 on the delay ring 4 is separated from the control rod, the lock cylinder 2 continues to rotate to the initial state, the correct key can be replaced at the moment, and when the correct key is not available, the above actions need to be repeated all the time.
As shown in fig. 23 and 24, a swing rod 9 is disposed on the lock cylinder 2, the swing rod 9 can rotate a distance on the lock cylinder 2, a spring is disposed between the swing rod 9 and the lock cylinder 2, when the lock cylinder 2 is stationary or rotates at a low speed, the swing rod 9 is separated from the paddle 11 under the action of the spring, when the lock cylinder 2 swings back and forth at a high speed, clockwise rotation of the lock cylinder 2 can cause the swing rod 9 to generate rapid clockwise rotation, when the lock cylinder 2 rotates counterclockwise, the swing rod 9 can push the paddle 11 to generate rotation, the paddle 11 can rotate to the state shown in fig. 24, so that the paddle 11 cannot stir the delay ring 4 to rotate, and the swing rod 9 has the function of needing to rotate at a low speed when the lock cylinder 2 swings back and forth to cause the delay ring 4 to rotate.
Embodiment 2 as shown in fig. 25-30, a slotted rod 10 is provided on the secondary lock body 3, a spring is provided between the slotted rod 10 and the secondary lock body 3, when no external force is applied, the slotted rod 10 is close to the left side of the control slot 31, and can swing to the right side of the control slot 31 when pushed by the dial 11, when the dial 11 moves from the left side of the slotted rod 10 to the right side, the slotted rod 10 holds the dial 11 to transit from the left side of the control slot 31 to the right side of the control slot 31, during which the dial 11 can enter the control slot 31, so that the delay ring 4 cannot rotate, i.e. when the lock is normally unlocked and locked, the dial 11 cannot rotate the delay ring 4, only when the lock is failed to be unlocked, the lock cylinder 2 rotates to the state shown in fig. 27, the dial 11 is located at the right side of the slotted rod 10, the dial 10 can enter the control slot 31, the lock cylinder 2 can swing back and forth to rotate the delay ring 4, when the delay ring 4 rotates to the state shown in fig. 28, the shifting piece 11 is located at the convex tooth notch of the delay ring 4, the swinging of the lock cylinder 2 does not continuously push the delay ring 4 to rotate, at the moment, the delay block 41 extrudes the control rod 8, so that the reset rod 5 rotates, the end G of the reset rod 5 releases the blocking of the lock cylinder 2, the lock cylinder 2 can rotate to the initial position of the lock shown in fig. 29, the delay piece 42 on the delay ring 4 rotates to the sliding table 32, the shifting piece 24 is arranged on the lock cylinder 2, the shifting piece 24 can push the delay piece 42 to rotate the delay ring 4, and the delay ring 4 rotates to the state shown in fig. 29.
In embodiment 3, when the control groove 31 is made wider than in embodiment 2, the delay ring 4 can rotate to the state of fig. 29 when the dial 11 is separated from the delay ring 4, and the delay piece 42, the dial 24, and the slide base 32 are not necessary.
Embodiment 4 on the basis of any one of embodiments 1, 2, and 3, as shown in fig. 31 and 32, a notch is provided on the lock cylinder 2, an upper lock rod 12 is provided at a position K on the reset rod 45, the upper lock rod 12 can rotate on the reset rod 45, a spring is provided between the upper lock rod 12 and the reset rod 45, the spring makes the upper lock rod 12 point to the axis of the lock cylinder 2 when the upper lock rod 12 is not subjected to an external force, a protrusion is provided at a position corresponding to the upper lock rod 12 on the reset rod 45, and the upper lock rod 12 can push the reset rod 45 to rotate after rotating to a certain angle; fig. 31 shows the initial state of the lock unlocked, with the lock cylinder 12 still under the control of the key cylinder 2; fig. 33 shows that when the lock cylinder 2 is rotated by an angle during unlocking, the lock rod 12 loses the control of the lock cylinder 2 and points to the lock cylinder 2, and the reset rod 45 can block the lock cylinder 2 from rotating counterclockwise to the initial state; fig. 34 shows a state of the lock during locking, in which the lock cylinder 2 rotates counterclockwise, the upper lock rod 12 is supported by the lock cylinder 2, and when the lock cylinder 2 continues to rotate to the state shown in fig. 35, and the check block 21 is located below the reset rod 45, the lock cylinder 2 still supports the upper lock rod 12, and the lock cylinder 2 continues to rotate so that the check block 21 passes through the reset rod 45, and the upper lock rod 12 points to the axis of the lock cylinder 2 again; that is, during the locking process of the lock, the reset rod 45 can not block the check block 21, and during the unlocking process, the reset rod 45 can block the check block 21 so that the lock cylinder 2 can not return to the original state.
The notch in the lock cylinder 2 can be made larger, so long as the check block 21 passes through the reset rod 45 during locking, the lock cylinder 2 can press the upper lock rod 12 to prevent the reset rod 45 from blocking the check block 21.

Claims (10)

1. The utility model provides a delayer with time delay function is locked establishes a cylindrical cavity in lock body (1) establish a cylindrical lock core (2) in the cavity, establish a pair lock body (3) on lock body (1), vice lock body (3) are together fixed with lock body (1), its characterized in that: a reset rod (5) is arranged on the auxiliary lock body (3), a control rod (8) is arranged on the reset rod (5), and a control groove (31) is arranged on the auxiliary lock body (3); a delay ring (4) is arranged on the auxiliary lock body (3), and convex teeth and a delay block (41) are arranged on the delay ring (4); the lock core (2) is provided with a shifting sheet (11), and the lock core (2) is provided with a swing rod (9).
2. A lock-on delayer with a delayer function according to claim 1, characterized in that: a delay piece (42) is arranged on the delay ring (4), a pushing platform (22) is arranged on the lock core (2), and a sliding platform (32), a sliding block (34) and a sliding rod (35) are arranged on the auxiliary lock body (3).
3. A lock-on delayer with a delayer function according to claim 1, characterized in that: a delay piece (42) is arranged on the delay ring (4), a sliding table (32) is arranged on the auxiliary lock body (3), and a shifting block (24) is arranged on the lock core (2).
4. A lock-on delayer with a delayer function according to claim 1, characterized in that: a slot rod (10) is arranged at a control slot (31) on the auxiliary lock body (3).
5. The delayer of claim 4, wherein the delayer is a lock with a delayer function, and comprises: the delay ring (4) is provided with a delay sheet (42), and the lock core 2 is provided with a shifting block (24).
6. A lock-on delayer with a delayer function according to any one of claims 1-5, characterized by: the lock core (2) is provided with a check block (21), the reset rod (45) is provided with an upper lock rod (12), and the lock core (2) is provided with a notch corresponding to the upper lock rod (12).
7. A lock-on delayer with a delayer function according to any one of claims 1-5, characterized by: a gap without convex teeth is arranged on the delay ring (4), and all the convex teeth are straight teeth.
8. The delayer of claim 6, wherein the delayer is a lock with a delayer function, and comprises: a gap without convex teeth is arranged on the delay ring (4), and all the convex teeth are straight teeth.
9. A lock-on delayer with a delayer function according to any one of claims 1-5, characterized by: a gap without convex teeth is arranged on the delay ring (4), a plurality of straight teeth are arranged on two sides of the gap, and the rest parts are set as oblique teeth.
10. The delayer of claim 6, wherein the delayer is a lock with a delayer function, and comprises: a gap without convex teeth is arranged on the delay ring (4), a plurality of straight teeth are arranged on two sides of the gap, and the rest parts are set as oblique teeth.
CN202010368534.5A 2020-05-01 2020-05-01 Lock delayer with time delay function Pending CN111456550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010368534.5A CN111456550A (en) 2020-05-01 2020-05-01 Lock delayer with time delay function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010368534.5A CN111456550A (en) 2020-05-01 2020-05-01 Lock delayer with time delay function

Publications (1)

Publication Number Publication Date
CN111456550A true CN111456550A (en) 2020-07-28

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ID=71676545

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010368534.5A Pending CN111456550A (en) 2020-05-01 2020-05-01 Lock delayer with time delay function

Country Status (1)

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CN (1) CN111456550A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488847A (en) * 1993-11-26 1996-02-06 Lai; Ming Pick proof lock
CN201024763Y (en) * 2007-04-28 2008-02-20 李艳梅 Double-core time limit lock
RU2595981C1 (en) * 2015-04-27 2016-08-27 Казакевич Александр Вильямович Cylinder mechanism with a free lock cylinder
CN209293589U (en) * 2018-09-01 2019-08-23 葛广成 It is a kind of the lever that the mistake of technology unlocking amplifies to be intersected theftproof lock
CN209443931U (en) * 2018-10-19 2019-09-27 葛广成 A kind of blade inserting blade lock
CN110295794A (en) * 2019-08-08 2019-10-01 葛广成 It is primary to open the blade lock for being unsuccessfully again turned on and needing to be delayed
CN110778215A (en) * 2019-12-12 2020-02-11 葛广成 Spring lock with time-delay function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488847A (en) * 1993-11-26 1996-02-06 Lai; Ming Pick proof lock
CN201024763Y (en) * 2007-04-28 2008-02-20 李艳梅 Double-core time limit lock
RU2595981C1 (en) * 2015-04-27 2016-08-27 Казакевич Александр Вильямович Cylinder mechanism with a free lock cylinder
CN209293589U (en) * 2018-09-01 2019-08-23 葛广成 It is a kind of the lever that the mistake of technology unlocking amplifies to be intersected theftproof lock
CN209443931U (en) * 2018-10-19 2019-09-27 葛广成 A kind of blade inserting blade lock
CN110295794A (en) * 2019-08-08 2019-10-01 葛广成 It is primary to open the blade lock for being unsuccessfully again turned on and needing to be delayed
CN110778215A (en) * 2019-12-12 2020-02-11 葛广成 Spring lock with time-delay function

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Application publication date: 20200728