Locks that make it easy to retrieve passwords

Abstract

This invention discloses a lock for easy combination retrieval, comprising a lock body, and a lock bar, lock pin, lock cylinder mechanism, combination wheel mechanism, and combination retrieval mechanism disposed on the lock body. The combination retrieval mechanism is located between the lock cylinder mechanism and the combination wheel mechanism. The lock cylinder mechanism has a rotating component that can be rotated by a key. Both the lock pin and the combination retrieval mechanism abut against the rotating component. The rotating component drives the lock pin and the combination retrieval mechanism to move. The rotating component includes a rotating body, a first push block, and a second push block. Both the first and second push blocks are disposed on the rotating body and rotate with the rotating body. The first push block can push the lock pin to move relative to the lock bar, and the second push block can push the combination retrieval mechanism to move closer to the combination wheel mechanism. This invention utilizes a single rotating component to drive the lock pin and the combination retrieval mechanism, allowing unlocking and combination retrieval to be achieved simply by turning the key. This simplifies the internal structure of the lock, occupies less space, and makes combination retrieval more convenient.

Description

Technical Field

[0001] This invention relates to the field of lock technology, and more specifically to a lock that facilitates password retrieval. Background Technology

[0002] Nowadays, some locks integrate a lock cylinder mechanism and a combination wheel mechanism. To unlock, the lock can be opened directly by inserting a key into the lock cylinder mechanism, or indirectly by the cooperation of the combination wheel mechanism and the lock cylinder mechanism. To facilitate retrieval if the user forgets the combination, these locks typically also have a movable combination retrieval mechanism and a mechanical drive module to independently drive the movement of the combination retrieval mechanism relative to the combination wheel mechanism. However, this design results in a complex internal structure, occupies a large space, and makes combination retrieval inconvenient. Summary of the Invention

[0003] This invention addresses the shortcomings of existing technologies by providing a lock that facilitates password retrieval. It utilizes a single rotating component to drive the locking pin and password retrieval mechanism, allowing the lock to be opened and the password retrieved simply by turning the key. This simplifies the internal structure of the lock, reduces its space requirements, and makes password retrieval more convenient.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: A lock for easy retrieval of combination codes includes a lock body, and a lock bar, lock pin, lock cylinder mechanism, combination wheel mechanism, and combination retrieval mechanism disposed on the lock body; The password retrieval mechanism is located between the lock cylinder mechanism and the password wheel mechanism. The lock cylinder mechanism is equipped with a rotating component that can be rotated by a key. The lock pin and the password retrieval mechanism both abut against the rotating component, and the rotating component drives the lock pin and the password retrieval mechanism to move.

[0005] In one embodiment, the rotating component includes a rotating body, a first push block, and a second push block. Both the first and second push blocks are disposed on the rotating body and rotate with the rotating body. The first push block can push the locking pin to move relative to the locking rod, and the second push block can push the password retrieval mechanism to move closer to the password wheel mechanism.

[0006] In one embodiment, the first pusher protrudes from one end of the rotating body along the axial direction, and the second pusher protrudes from one side of the rotating body in the radial direction.

[0007] In one embodiment, the peripheral sidewall of the first push block has a first arc surface, and the peripheral sidewall of the second push block has a second arc surface. Both the first and second arc surfaces protrude outward in an arc shape along the radial direction of the rotating body. In the unlocked state, the first arc surface abuts against the lock pin and the second arc surface abuts against the password retrieval mechanism.

[0008] In one embodiment, the locking pin is provided with an avoidance notch for the first push block to move, the inner wall of the avoidance notch is provided with a first pressure bearing plane, the first pressure bearing plane can abut against the arc surface, and the password retrieval mechanism is provided with a second pressure bearing plane, the second pressure bearing plane can abut against the second arc surface.

[0009] In one embodiment, the lock cylinder mechanism, the password retrieval mechanism, and the password wheel mechanism are arranged sequentially in the vertical direction, the password retrieval mechanism moves in the vertical direction, and the lock pin moves in the horizontal direction.

[0010] In one embodiment, an unlocking mechanism is provided on one side between the locking pin and the combination wheel mechanism. The unlocking mechanism has a first movable member and a second movable member. The first movable member can drive the second movable member to move. The second movable member can push the locking pin and the telescopic rod on the combination wheel mechanism to move. The first movable member has an operating part. The lock body has a through hole for the operating part to be exposed. In the locked state, the telescopic rod restricts the second movable member from pushing the locking pin to move. In the unlocked state, the telescopic rod releases the restriction on the second movable member to push the locking pin to move.

[0011] In one embodiment, the operating part is a pressing part, a toggle part, or a knob part.

[0012] In one embodiment, the telescopic rods on the locking pin and the combination wheel mechanism both abut against the second movable member.

[0013] In one embodiment, the second movable member has a push plate and a push rod disposed on the push plate, one side of the push plate abutting against a telescopic rod, the push rod abutting against a locking pin, and the first movable member being connected to the push plate.

[0014] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, by setting a rotating part on the lock cylinder mechanism, the lock pin and the password retrieval mechanism both abut against the rotating part. When the key is used to unlock, the key drives the rotating part to rotate, and the rotating part drives the lock pin and the password retrieval mechanism to move. Thus, by using a single rotating part to drive the lock pin and the password retrieval mechanism, the key can be turned to unlock and retrieve the password, simplifying the internal structure of the lock, occupying less space, and making password retrieval more convenient.

[0015] To more clearly illustrate the structural features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments: Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the assembly structure of the first embodiment of the present invention; Figure 2 yes Figure 1A schematic diagram of the decomposition process; Figure 3 yes Figure 1 A cross-sectional view; Figure 4 This is an assembly diagram of the locking pin, lock cylinder mechanism, combination wheel mechanism, combination retrieval mechanism, and unlocking mechanism according to the first embodiment of the present invention; Figure 5 This is an assembly diagram of the locking pin, combination wheel mechanism, and unlocking mechanism according to the first embodiment of the present invention; Figure 6 This is a schematic diagram of the unlocked state of the lock cylinder mechanism, combination wheel mechanism, and combination retrieval mechanism according to the first embodiment of the present invention; Figure 7 This is a schematic diagram of the locked state of the lock cylinder mechanism, the combination wheel mechanism, and the combination retrieval mechanism according to the first embodiment of the present invention; Figure 8 This is a front view of the rotating component according to the first embodiment of the present invention; Figure 9 This is an exploded view of the unlocking mechanism according to the first embodiment of the present invention; Figure 10 This is an exploded view of the unlocking mechanism according to the second embodiment of the present invention; Figure 11 This is a schematic diagram of the assembly structure of the third embodiment of the present invention; Figure 12 This is a schematic diagram of the assembly structure of the fourth embodiment of the present invention; Figure 13 This is an exploded view of the unlocking mechanism according to the fourth embodiment of the present invention; Figure 14 This is a schematic diagram of the assembly structure of the fifth embodiment of the present invention; Figure 15 This is an exploded view of the unlocking mechanism according to the fifth embodiment of the present invention; Figure 16 This is a schematic diagram of the assembly structure of the sixth embodiment of the present invention; Figure 17 This is an exploded view of the unlocking mechanism according to the sixth embodiment of the present invention; Figure 18 This is a schematic diagram of the assembly structure of the seventh embodiment of the present invention; Figure 19 This is an exploded view of the unlocking mechanism according to the seventh embodiment of the present invention.

[0017] Explanation of reference numerals in the attached diagram: 10-Lock body, 101-Through hole, 102-Receiving cavity, 103-Opening, 11-Lock rod, 12-Lock pin, 121-Avoiding notch, 1211-Second bearing surface, 122-Groove, 13-Return spring, 14-Back cover, 20-Lock cylinder mechanism, 21-Rotating component, 22-Rotating body, 23-First push block, 231-First arc surface, 232-First flat surface, 24-Second push block, 241-Second arc surface, 242-Second flat surface, 25-Avoiding notch, 30 - Password wheel mechanism, 31- Telescopic rod, 40- Password retrieval mechanism, 41- First pressure-bearing plane, 42- Boss, 50- Unlocking mechanism, 51- First moving part, 511- Operating part, 512- Mounting rod, 513- Stop block, 514- First inclined surface, 515- Limiting part, 52- Second moving part, 521- Push plate, 522- Push rod, 5221- Horizontal bar, 5222- Vertical bar, 523- Mounting part, 524- Mounting hole, 525- Opening, 526- Second inclined surface, 53- Elastic element. Detailed Implementation

[0018] In the description of this invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0019] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0020] like Figure 1-9 As shown, in the first embodiment, the present invention discloses a lock that facilitates password retrieval, including a lock body 10, and a lock rod 11, a lock pin 12, a lock cylinder mechanism 20, a password wheel mechanism 30, and a password retrieval mechanism 40 disposed on the lock body 10, wherein the password retrieval mechanism 40 and the password wheel mechanism 30 are existing mature technologies.

[0021] The password retrieval mechanism 40 is located between the lock cylinder mechanism 20 and the password wheel mechanism 30. The lock cylinder mechanism 20 is provided with a rotating component 21 that can be rotated by a key. The lock pin 12 and the password retrieval mechanism 40 both abut against the rotating component 21. The rotating component 21 drives the lock pin 12 and the password retrieval mechanism 40 to move. In practical applications, the rotating component 21 can be set to drive the lock pin 12 and the password retrieval mechanism 40 to move synchronously.

[0022] The rotating component 21 includes a rotating body 22, a first push block 23, and a second push block 24. Both the first push block 23 and the second push block 24 are mounted on the rotating body 22 and rotate with it. The first push block 23 can push the locking pin 12 relative to the locking rod 11, and the second push block 24 can push the password retrieval mechanism 40 toward the password wheel mechanism 30. By setting up a rotating component 21 consisting of a rotating body 22, a first push block 23, and a second push block 24, both mounted on the rotating body 22 and rotating with it, the rotating body 22 can be rotated by a key to enable the first push block 23 to push the locking pin 12 and the second push block 24 to push the password retrieval mechanism 40. The rotation of a single rotating component 21 enables unlocking and password retrieval, achieving integrated product structure, reducing costs, and minimizing space occupation.

[0023] Specifically, the first push block 23 can push the locking pin 12 to move relative to the locking rod 11 in a first direction. The lock body 10 is provided with a return spring 13. The return spring 13 makes the locking pin 12 always have a tendency to move in a second direction so that the locking pin 12 and the locking rod 11 are locked together. The return spring 13 is prior art. The first direction is opposite to the second direction. For example, the first direction is to the right and the second direction is to the left.

[0024] The first push block 23 protrudes from one end of the rotating body 22 along the axial direction, and the second push block 24 protrudes from one side of the rotating body 22 in the radial direction. By setting the first push block 23 to protrude from one end of the rotating body 22 along the axial direction and the second push block 24 to protrude from one side of the rotating body 22 in the radial direction, the structure is reasonably arranged, so that the first push block 23 and the second push block 24 move synchronously and do not interfere with each other, thereby realizing that the rotating component 21 drives the locking pin 12 and the password retrieval mechanism 40 to move.

[0025] An avoidance gap 25 is formed between the first push block 23 and the second push block 24, and the avoidance gap 25 allows the locking pin 12 to move. By setting the avoidance gap 25, the structure is compact and occupies little space.

[0026] The rotating body 22, the first push block 23, and the second push block 24 are integrally formed; the integral forming makes the rotating part 21 easy to form, low in cost, and with good structural stability.

[0027] The peripheral sidewall of the first push block 23 has a first arc surface 231, and the peripheral sidewall of the second push block 24 has a second arc surface 241. Both the first arc surface 231 and the second arc surface 241 protrude outward in an arc shape along the radial direction of the rotating body 22. The directions of the protrusion of the first arc surface 231 and the second arc surface 241 are different. In the unlocked state, the first arc surface 231 abuts against the lock pin 12 and the second arc surface 241 abuts against the password retrieval mechanism 40. When the first arc surface 231 pushes the lock... When the pin 12 moves to the unlocked state, the second arc surface 241 pushes the password retrieval mechanism 40 to the password retrieval state. By setting the first arc surface 231 and the second arc surface 241, when unlocking, the rotating part 21 drives the first push block 23 and the second push block 24 to rotate synchronously. The first arc surface 231 keeps in contact with the lock pin 12, and the second arc surface 241 keeps in contact with the password retrieval mechanism 40. The coordination stability between the components is good, and the rotating part 21 rotates smoothly and stably, so that the unlocking and password retrieval operations are smooth.

[0028] The first arc surface 231 has an arc length of 1.9 rad - 2.0 rad, and the second arc surface 241 has an arc length of 3 rad - 3.5 rad. The arc length is calculated as arc length / radius. For example, the length of the first arc surface 231 is 1.9 mm, the radius of the first arc surface 231 is 1 mm, the length of the second arc surface 241 is 13 mm, and the radius of the second arc surface 241 is 4.2 mm. By setting the second arc surface 241 to adopt a large arc structure, during the rotation of the rotating part 21, the second arc surface 241 has a longer arc length to contact the password retrieval mechanism 40. The second arc surface 241 moves more smoothly and with less effort when pushing the password retrieval mechanism 40, making the unlocking and password retrieval operations more convenient.

[0029] The maximum distance between the first arc surface 231 and the rotation center line of the rotating body 22 is h1, and the maximum distance between the second arc surface 241 and the rotation center line of the rotating body 22 is h2, where h1 < h2, h1 is 3.0 mm - 3.5 mm, and h2 is 5.0 mm - 7.5 mm. By setting h1 < h2, the rotation of the first arc surface 231 is smaller, which is suitable for the short stroke of the locking pin 12, while the rotation radius of the second arc surface 241 is larger, which is suitable for the large stroke of the password retrieval mechanism 40. The structure is reasonably designed, so that the rotating part 21 has both pushing function and minimal space occupation.

[0030] The peripheral sidewall of the first push block 23 also has a first plane 232, and the peripheral sidewall of the second push block 24 also has a second plane 242. The first plane 232 and the second plane 242 are perpendicular to each other. In the locked state, the first plane 232 abuts against the locking pin 12 and the second plane 242 abuts against the password retrieval mechanism 40. By setting the first plane 232 and the second plane 242, in the locked state, both the locking pin 12 and the password retrieval mechanism 40 remain stable.

[0031] One end of the first plane 232 extends to the edge of the first arc surface 231, and one end of the second plane 242 extends to the edge of the second arc surface 241; the switching between unlocking and locking is smooth, as is the switching between the password recovery state and the non-password recovery state; the password recovery state is entered at the same time as unlocking, so that the user can directly perform the password recovery operation, which is convenient and practical.

[0032] The rotation center line of the rotating body 22 is on the first plane 232.

[0033] The locking pin 12 is provided with a clearance notch 121 for the first push block 23 to move. The clearance notch 121 is open to the front. The inner wall of the clearance notch 121 is provided with a first pressure bearing plane 41. The first pressure bearing plane 41 is perpendicular to the direction of movement of the locking pin 12. The first pressure bearing plane 41 can abut against the arc surface and the first plane 232. The password retrieval mechanism 40 is provided with a second pressure bearing plane 1211. The second pressure bearing plane 1211 can abut against the second arc surface 241 and the second plane 242. In the unlocked state, the first arc surface 231 can slide in contact with the first pressure-bearing plane 41, and the second arc surface 241 can slide in contact with the second pressure-bearing plane 1211, making the first push block push the lock pin 12 more smoothly and the second push block 24 push the password retrieval mechanism 40 more smoothly. In the locked state, the first plane 232 abuts against the first pressure-bearing plane 41, and the second plane 242 abuts against the second pressure-bearing plane 1211, so that the lock pin 12 and the password retrieval mechanism 40 maintain a stable posture and avoid loosening.

[0034] The password retrieval mechanism 40 is provided with a boss 42, and the pressure-bearing surface is provided on the boss 42.

[0035] The lock cylinder mechanism 20, the password retrieval mechanism 40, and the password wheel mechanism 30 are arranged sequentially in the vertical direction. The password retrieval mechanism 40 moves in the vertical direction, and the lock pin 12 moves in the horizontal direction. By adopting the vertical layout, the lock cylinder mechanism 20, the password retrieval mechanism 40, and the password wheel mechanism 30 have a compact structure and occupy little space.

[0036] An unlocking mechanism 50 is provided on one side between the locking pin 12 and the combination wheel mechanism 30. The unlocking mechanism 50 has a first movable member 51 and a second movable member 52. The first movable member 51 can drive the second movable member 52 to move. The second movable member 52 can push the locking pin 12 and the telescopic rod 31 on the combination wheel mechanism 30 to move. The first movable member 51 has an operating part 511, which is used to drive the first movable member 51 to move. The lock body 10 has a through hole 101 for the operating part 511 to be exposed. In the locked state, the telescopic rod 31 restricts the second movable member 52 from pushing the locking pin 12 to move. In the unlocked state, the telescopic rod 31... The restriction on the movement of the second movable member 52 pushing the locking pin 12 is lifted. By setting an unlocking mechanism 50 on one side between the locking pin 12 and the combination wheel mechanism 30, when unlocking, the operating part 511 drives the first movable member 51 to move, the first movable member 51 drives the second movable member 52 to move, and the second movable member 52 pushes the locking pin 12 and the telescopic rod 31 on the combination wheel mechanism 30 to move, thus unlocking. When locking, the locking function of the telescopic rod 31 itself is used to restrict the movement of the second movable member 52, thereby preventing the second movable member 52 from pushing the locking pin 12 to move, so that the lock is kept in the locked state. The structure is reasonably set up and the components cooperate with each other, making unlocking more convenient and occupying less space.

[0037] The lock body 10 has a receiving cavity 102, and the rear side of the receiving cavity 102 is open to form an opening 103. A rear cover 14 is provided at the opening 103. The lock pin 12, lock cylinder mechanism 20, password retrieval mechanism 40, and password wheel mechanism 30 are all located in the receiving cavity 102. The through hole 101 communicates with the receiving cavity 102.

[0038] The movement directions of the second movable member 52 and the telescopic rod 31 are parallel to the movement direction of the locking pin 12, and the through hole 101 is provided on the left side wall of the lock body 10.

[0039] The operating part 511 is a pressing part, which is movably disposed in the through hole 101 in the left-right direction.

[0040] The telescopic rod 31 on both the locking pin 12 and the combination wheel mechanism 30 abuts against the second movable part 52. By adopting the abutting method, the connection between the telescopic rod 31 on both the locking pin 12 and the combination wheel mechanism 30 and the second movable part 52 is simplified, making installation more convenient.

[0041] The second movable member 52 has a push plate 521 and a push rod 522 disposed on the push plate 521. One side of the push plate 521 abuts against one end of the telescopic rod 31, and the push rod 522 abuts against the locking pin 12. The first movable member 51 is connected to the push plate 521. By setting the second movable member 52, which is composed of the push plate 521 and the push rod 522, the second movable member 52 avoids other internal structures of the lock body 10, making the structure more compact.

[0042] The plane of the push plate 521 is perpendicular to the direction of movement of the telescopic rod 31. The lower end of the push plate 521 abuts against the telescopic rod 31, and the upper end of the push plate 521 is connected to the push rod 522. For example, the push plate 521 and the push rod 522 are integrally formed.

[0043] The locking pin 12 is provided with a groove 122, which is open to the rear and extends along the movement direction of the locking pin 12. One end of the push rod 522 is movably disposed in the groove 122.

[0044] The push rod 522 is an L-shaped push rod 522, which has a horizontal rod 5221 and a vertical rod 5222. The horizontal rod 5221 extends in the left-right direction, and the vertical rod 5222 extends in the up-down direction. One end of the horizontal rod 5221 is connected to the push plate 521, and the other end of the horizontal rod 5221 is connected to the vertical rod 5222. The upper end of the vertical rod 5222 is movably disposed in the groove 122.

[0045] The push plate 521 is provided with a mounting hole 524. The first movable member 51 is provided with a mounting rod 512 on the side away from the operating part 511. The mounting rod 512 is connected to the mounting hole 524. For example, the mounting rod 512 and the mounting hole 524 can be connected by a tight fit or a threaded connection. The push plate 521 is provided with a mounting part 523. The mounting hole 524 is provided on the mounting part 523. It can be understood that the positions of the mounting hole 524 and the mounting rod 512 can be interchanged.

[0046] An elastic element 53 is provided between the lock body 10 and the second movable member 52. The elastic element 53 ensures that the second movable member 52 always tends to return to its original position away from the telescopic rod 31. The elastic element 53 is a pressure spring. One end of the pressure spring abuts against the lock body 10, and the other end of the pressure spring abuts against the push plate 521 on the second movable member 52. Specifically, the pressure spring is located between the crossbar 5221 and the telescopic rod 31, and the other end of the pressure spring abuts against the upper end of the push plate 521. It can be understood that the pressure spring can also be replaced by an elastic sheet or a tension spring.

[0047] The password wheel mechanism 30 is equipped with a thrust spring, which is sleeved on the telescopic rod 31. The thrust spring causes the telescopic rod 31 to always tend to move towards the second movable member 52. The function of the thrust spring can replace the function of the elastic member 53. Therefore, the elastic member 53 can be selectively omitted. If the elastic member 53 is retained, the stability of the second movable member 52 in resetting can be increased.

[0048] like Figure 10As shown, in the second embodiment, the difference from the first embodiment is that one side of the mounting hole 524 extends to the side wall of the push plate 521 on the second movable member 52, forming an opening 525. The opening 525 is open forward, and the opening 525 allows the mounting rod 512 to be inserted into the mounting hole 524. One end of the mounting rod 512 is provided with a stop 513 that protrudes radially outward. The stop 513 abuts against one side of the second movable member 52, and the first movable member 51 abuts against the other side of the second movable member 52, so as to restrict the first movable member 51 from disengaging from the mounting hole 524 along the movement direction of the locking pin 12.

[0049] like Figure 11 As shown, in the third embodiment, the difference from the above embodiments is that the through hole 101 is provided on the right side wall of the lock body 10.

[0050] like Figure 12-13 As shown, in the fourth embodiment, the difference from the above embodiments is that the through hole 101 is provided on the front side wall of the lock body 10, the through hole 101 is an elongated hole that extends in the left and right direction, and the operating part 511 is a toggle part that is movably disposed in the elongated hole in the left and right direction.

[0051] The mounting rod 512 is disposed on the push plate 521. The cross-section of the mounting rod 512 is rectangular. The mounting rod 512 extends forward. The mounting hole 524 is disposed on the actuating part. The shape of the mounting hole 524 is adapted to the shape of the mounting rod 512.

[0052] like Figure 14-15 As shown, in the fifth embodiment, the difference from the above embodiments is that the through hole 101 is provided on the left side wall of the lock body 10, the through hole 101 is an elongated hole that extends in the vertical direction, the operating part 511 is a toggle part that is movably disposed in the elongated hole in the vertical direction, and the toggle part is integrally formed on the left side of the first movable member 51.

[0053] The bottom of the first movable member 51 is provided with a first inclined surface 514, which extends from top to bottom away from the push plate 521. The push plate 521 on the second movable member 52 is provided with a second inclined surface 527 that cooperates with the first inclined surface 514. The second inclined surface 527 is parallel to the first inclined surface 514. The cooperation between the first inclined surface 514 and the second inclined surface 527 enables the first movable member 51 to push the second movable member 52 to move.

[0054] like Figure 16-17As shown, in the sixth embodiment, the difference from the above embodiments is that the through hole 101 is provided on the front side wall of the lock body 10, the through hole 101 is an elongated hole that extends in the vertical direction, the operating part 511 is a toggle part that is movably disposed in the elongated hole in the vertical direction, and the toggle part is integrally formed on the front side of the first movable member 51.

[0055] like Figure 18-19 As shown, in the seventh embodiment, the difference from the above embodiments is that the through hole 101 is provided on the bottom wall of the lock body 10, the operating part 511 is a pressing part, the top of the first movable member 51 is provided with a first inclined surface 514, the first inclined surface 514 extends from top to bottom towards the push plate 521, the push plate 521 is provided with a second inclined surface 527 that cooperates with the first inclined surface 514, and the second inclined surface 527 is parallel to the first inclined surface 514.

[0056] The first movable member 51 has a limiting part 515 on its side wall. The limiting part 515 abuts against the lock body 10 to restrict the first movable member 51 from disengaging from the through hole 101. For example, the first movable member 51 has a limiting part 515 on both its front and rear side walls. The limiting part 515 is a protruding strip. It can be understood that the limiting part 515 can also be set as a slot.

[0057] It should be noted that the operating part 511 can also be a knob part. The knob part drives the first movable member 51 to rotate. A gear and rack structure (not shown) can be provided between the first movable member 51 and the second movable member 52, so as to realize the rotational motion of the knob part into the linear motion of the second movable member 52.

[0058] The lock of the present invention can be a U-shaped lock, a door lock, or other types of locks.

[0059] The method of using the present invention, taking the first embodiment as an example: The lock is unlocked by key. Insert the key into the lock cylinder and turn the key 90 degrees. The key drives the rotating part 21 to rotate 90 degrees. The first arc surface 231 on the first push block 23 pushes the lock pin 12 to the right, releasing the lock pin 12 from the lock rod 11 and completing the unlocking. At the same time, the second arc surface 241 on the second push block 24 pushes the password retrieval mechanism 40 to move down. When the password needs to be retrieved, each password wheel can be turned to retrieve the password. Unlocking via combination: Rotate the combination wheel on the combination wheel mechanism 30 to the correct position, and push the operating part 511 on the first movable part 51 by hand. The operating part 511 drives the first movable part 51 to move to the right. The first movable part 51 pushes the second movable part 52 to move to the right. The push plate 521 on the second movable part 52 pushes the telescopic rod 31 to move. At the same time, the vertical rod 5222 on the second movable part 52 pushes the locking pin 12 to move, releasing the lock pin 12 from restricting the lock rod 11, thus completing the unlocking. When locking, use the elastic member 53 to push the second movable part 52 to move to the left. After the second movable part 52 and the first movable part 51 move to the left and reset, the locking pin 12 engages with the lock rod 11, scrambling the combination wheel and preventing the telescopic rod 31 from moving. The telescopic rod 31 restricts the second movable part 52 from moving to the right, thus completing the locking.

[0060] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc., made to the above embodiments based on the actual technology of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A lock for easy password retrieval, characterized in that, Includes the lock body, as well as the lock bar, lock pin, lock cylinder mechanism, combination wheel mechanism, and combination retrieval mechanism provided on the lock body; The password retrieval mechanism is located between the lock cylinder mechanism and the password wheel mechanism. The lock cylinder mechanism is equipped with a rotating component that can be rotated by a key. The lock pin and the password retrieval mechanism both abut against the rotating component, and the rotating component drives the lock pin and the password retrieval mechanism to move.

2. The lock for convenient password retrieval according to claim 1, characterized in that, The rotating component includes a rotating body, a first push block, and a second push block. Both the first and second push blocks are mounted on the rotating body and rotate with it. The first push block can push the locking pin relative to the locking rod, and the second push block can push the password retrieval mechanism toward the password wheel mechanism.

3. The lock for convenient password retrieval according to claim 2, characterized in that, The first pusher protrudes from one end of the rotating body along the axial direction, and the second pusher protrudes from one side of the rotating body in the radial direction.

4. The lock for convenient password retrieval according to claim 2, characterized in that, The first push block has a first arc surface on its peripheral sidewall, and the second push block has a second arc surface on its peripheral sidewall. Both the first and second arc surfaces protrude outward in an arc shape along the radial direction of the rotating body. In the unlocked state, the first arc surface abuts against the lock pin and the second arc surface abuts against the password retrieval mechanism.

5. The lock for convenient password retrieval according to claim 4, characterized in that, The locking pin is provided with a clearance notch for the first push block to move. The inner wall of the clearance notch is provided with a first pressure-bearing plane, which can abut against the arc-shaped surface. The password retrieval mechanism is provided with a second pressure-bearing plane, which can abut against the second arc-shaped surface.

6. The lock for convenient password retrieval according to claim 1, characterized in that, The lock cylinder mechanism, the password retrieval mechanism, and the password wheel mechanism are arranged sequentially in the vertical direction. The password retrieval mechanism moves in the vertical direction, and the lock pin moves in the horizontal direction.

7. The lock for convenient password retrieval according to any one of claims 1-6, characterized in that, An unlocking mechanism is provided on one side between the locking pin and the combination wheel mechanism. The unlocking mechanism has a first movable member and a second movable member. The first movable member can drive the second movable member to move. The second movable member can push the locking pin and the telescopic rod on the combination wheel mechanism to move. The first movable member has an operating part. The lock body has a through hole for the operating part to be exposed. In the locked state, the telescopic rod restricts the second movable member from pushing the locking pin to move. In the unlocked state, the telescopic rod releases the restriction on the second movable member to push the locking pin to move.

8. The lock for convenient password retrieval according to claim 7, characterized in that, The operating part is a pressing part, a toggle part, or a knob part.

9. The lock for convenient password retrieval according to claim 7, characterized in that, The telescopic rods on the locking pin and the combination wheel mechanism both abut against the second movable part.

10. The lock for convenient password retrieval according to claim 9, characterized in that, The second movable component has a push plate and a push rod disposed on the push plate. One side of the push plate abuts against the telescopic rod, and the push rod abuts against the locking pin. The first movable component is connected to the push plate.

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