A U-shaped combination lock

Abstract

The utility model discloses a U-shaped password lock, comprising a lock seat, a U-shaped lock beam inserted into the lock seat, a password component arranged in the lock seat, an unlocking button arranged on the lock seat, and two lock pieces arranged on the lock seat and can be clamped to the U-shaped lock beam, the password component comprises a movably arranged password lock core, a connecting rod is fixed or integrally arranged on the password lock core, the connecting rod is linked with one of the lock pieces, a turntable is rotatably arranged on the lock seat, the two lock pieces are both connected to the turntable, the turntable is driven to rotate, the two lock pieces move toward or away from each other, a first inclined surface is arranged at the end of the password lock core, the unlocking button is connected to a push block, and the push block is provided with a second inclined surface matched with the first inclined surface. The overall structural design of the utility model is reasonable, the transmission is smoother and more stable, the operability is better, and the practicality is good.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, and more specifically to a U-shaped password lock. Background Art

[0002] The U-shaped combination lock currently on the market generally includes a combination lock part, a face shell and a U-shaped lock beam, wherein the face shell is provided with two lock blocks that move towards or away from each other at the same time, the U-shaped lock beam is inserted into the face shell part and is provided with a slot for the ends of the lock blocks to be inserted, and the combination lock part has a lock plate extending between the two lock blocks, when the combination lock is in the locked state, the lock plate is between the two lock blocks, and when the combination lock is in the unlocked state, the lock plate is separated from the two lock blocks, and the two lock blocks can move towards each other, thereby achieving unlocking.

[0003] For example, publication number CN103850539A discloses a password device and a U-shaped password lock, in which the password device includes a lock plate, the lock plate is provided with a limiting portion, a control portion is provided on the right side of a left lock block, the limiting portion is located on the right side of the left lock block control portion, when the password of the password device is correct, the limiting portion is located outside the moving trajectory of the left lock block control portion, and the left lock block can move to the right away from the left accommodating hole to form an unlocking state: when the password of the password device is incorrect, the limiting portion is located on the right side of the left lock block control portion and on the moving trajectory of the control portion, the left lock block is limited, and the left end of the left lock block is inserted into the left accommodating hole and inserted into the left insertion hole to form a locking state.

[0004] The above-mentioned prior art needs to be provided with a locking piece, and the locking piece cooperates with the locking block to achieve the locking limit when the password lock is locked and the disengagement limit when the password lock is unlocked. Summary of the invention

[0005] The utility model overcomes the shortcomings of the prior art and provides a U-shaped password lock. By improving the transmission structure of the lock seat, the password component and the lock plate, the password lock core can directly drive the lock plate to move, so as to achieve the purpose of locking or unlocking the U-shaped lock beam.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A U-shaped combination lock comprises a lock seat, a U-shaped lock beam inserted into the lock seat, a combination component arranged in the lock seat, an unlocking button arranged on the lock seat, and two lock plates arranged on the lock seat and capable of being clamped to the U-shaped lock beam. The combination component comprises a movably arranged combination lock cylinder, a connecting rod is fixedly or integrally arranged on the combination lock cylinder, the connecting rod is linked to one of the lock plates, a turntable is rotatably arranged on the lock seat, the two lock plates are connected to the turntable, the turntable is driven to rotate, and the two lock plates move toward or away from each other, a first inclined surface is arranged at the end of the combination lock cylinder, the unlocking button is connected to a push block, and the push block is provided with a second inclined surface matching the first inclined surface.

[0008] Preferably, a positioning column is provided on the turntable, and a positioning groove for accommodating the positioning column is provided on the locking plate. The locking plate is connected to the turntable through the cooperation between the positioning groove and the positioning column. A socket is provided on the locking plate linked to the connecting rod, and the connecting rod is tightly inserted in the socket or the connecting rod is fixedly connected to the locking plate.

[0009] Preferably, the password component also includes a password lock shell, the password lock core is inserted in the password lock shell and is arranged to be translated relative to the password lock shell, the password lock shell is sleeved with a coding wheel that can limit the password lock core, and the coding wheel is linked to the coding wheel.

[0010] Preferably, a code-changing piece is sleeved on the combination lock shell, and a reset rod is provided at a position corresponding to the code-changing piece in the lock seat, and an inclined plane is formed between the reset rod and the code-changing piece.

[0011] Preferably, a first reset spring is provided between the lock seat and the push block, a second reset spring is provided between the combination lock housing and the combination lock core, and a third reset spring is provided between the combination lock housing and the coding wheel close to the combination lock housing.

[0012] Preferably, the lock seat is provided with a accommodating space for accommodating the password assembly, a accommodating groove for accommodating two locking plates, a accommodating groove for accommodating the push block, and an accommodating channel for the connecting rod to pass through. The accommodating channel is located between the accommodating space and the accommodating groove, and the accommodating groove is arranged at the upper end or lower end of the lock seat.

[0013] Preferably, a fixing plate is provided on the lock seat at the position of the accommodating space, and a limiting portion for limiting the password lock shell and a limiting block cooperating with the reset rod are provided on the fixing plate, and the reset rod is arranged through the lock shell.

[0014] Preferably, a rotation groove is provided on the accommodating groove, a turntable is rotatably arranged in the rotation groove, and a rotation ring is provided on a surface of the turntable facing the rotation groove.

[0015] Preferably, the two locking pieces are slidably disposed in the accommodating grooves, and an escape space is formed between the locking piece located at the reset rod and the accommodating grooves.

[0016] Preferably, a shell is arranged outside the lock seat, an opening is arranged on the shell at a position corresponding to the password wheel, and the unlocking button is exposed from the shell.

[0017] Beneficial effects of the utility model:

[0018] The utility model improves the transmission structure of the lock seat, the password component and the lock plate, so that the password lock core can directly drive the lock plate to move, so as to achieve the purpose of locking or unlocking the U-shaped lock beam. The overall structure is reasonably designed, the transmission is smoother and more stable, the operability is better, and the practicability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a structural schematic diagram of a specific embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the housing according to a specific embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the password component, the lock piece and the push block in a specific embodiment of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the password component in a specific embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of a password lock cylinder according to a specific embodiment of the utility model;

[0024] Figure 6 It is a structural schematic diagram of a lock seat according to a specific embodiment of the utility model;

[0025] Figure 7 It is a structural schematic diagram of a turntable according to a specific embodiment of the utility model;

[0026] Figure 8 It is a structural schematic diagram reflecting a fixing plate according to a specific embodiment of the utility model.

[0027] In the figure: 1. lock seat; 11. reset rod; 12. first reset spring; 13. second reset spring; 14. third reset spring; 15. accommodating space; 16. accommodating groove; 161. rotating groove; 162. avoidance space; 17. accommodating groove; 18. accommodating channel; 2. U-shaped lock beam; 3. password assembly; 31. password lock cylinder; 311. first inclined plane; 32. password lock shell; 33. code adjustment wheel; 34. password wheel; 35. code change member; 4. unlock button; 41. push block; 411. second inclined plane; 5. lock piece; 51. socket; 52. positioning groove; 6. connecting rod; 7. turntable; 71. positioning column; 72. rotating ring; 8. fixing plate; 81. limiting part; 82. limiting block; 9. outer shell; 91. opening. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1-8As shown, a U-shaped password lock comprises a lock base 1, a U-shaped lock beam 2 inserted into the lock base 1, a password component 3 arranged in the lock base 1, an unlocking button 4 arranged on the lock base 1 and two lock plates 5 arranged on the lock base 1 and can be snapped to the U-shaped lock beam 2. The password component 3 comprises a movably arranged password lock cylinder 31, a connecting rod 6 is fixed or integrally arranged on the password lock cylinder 31, the connecting rod 6 is linked to one of the lock plates 5, a turntable 7 is rotatably arranged on the lock base 1, the two lock plates 5 are both connected to the turntable 7, the turntable 7 is driven to rotate, and the two lock plates 5 move toward or away from each other, a first inclined surface 311 is arranged at the end of the password lock cylinder 31, the unlocking button 4 is connected to a push block 41, and the push block 41 is provided with a second inclined surface 411 matching the first inclined surface 311.

[0030] By adopting the above technical solution, in the utility model, by improving the transmission structure of the lock seat 1, the password assembly 3 and the lock plate 5, the password lock cylinder 31 can directly drive the lock plate 5 to move, so as to achieve the purpose of locking or unlocking the U-shaped lock beam 2. When unlocking, by pressing the unlock button 4, the push block 41 drives the password lock cylinder 31 to move, which will cause the connecting rod 6 to drive one of the lock plates 5 to move, and the movement of the lock plate 5 will drive the rotating disk 7 to rotate, and at the same time, the other lock plate 5 will be unlocked.

[0031] As an improved specific implementation method, a positioning column 71 is provided on the turntable 7, and a positioning groove 52 for accommodating the positioning column 71 is provided on the locking plate 5. The locking plate 5 is connected to the turntable 7 through the cooperation between the positioning groove 52 and the positioning column 71. The locking plate 5 linked to the connecting rod 6 is provided with a socket 51, and the connecting rod 6 is tightly inserted in the socket 51 or the connecting rod 6 is fixedly connected to the locking plate 5.

[0032] By adopting the above technical solution, by setting the positioning column 71 and the positioning groove 52, the connection between the locking plate 5 and the turntable 7 can be achieved, and the setting of the socket 51 can achieve the linkage between the connecting rod 6 and the locking plate 5. Of course, by fixing the connecting rod 6 and the locking plate 5, the linkage between the two can also be achieved.

[0033] As an improved specific implementation method, the password component 3 also includes a password lock shell 32, the password lock cylinder 31 is inserted in the password lock shell 32 and is arranged to be translated relative to the password lock shell 32, the password lock shell 32 is provided with a coding wheel 33 that can limit the password lock cylinder 31, and the coding wheel 33 is linked to a password wheel 34; the password lock shell 32 is also provided with a code changing piece 35, and a reset rod 11 is provided at a position corresponding to the code changing piece 35 in the lock seat 1, and an inclined surface is formed between the reset rod 11 and the code changing piece 35.

[0034] By adopting the above technical solution, the code adjusting wheel 33 is rotated to achieve locking and unlocking of the combination lock cylinder 31, and the code changing member 35 is matched with the reset rod 11. When in the unlocked state, the reset rod 11 is operated to move so that the code changing member 35 moves axially to enter the code changing state.

[0035] As an improved specific implementation method, a first reset spring 12 is provided between the lock seat 1 and the push block 41, a second reset spring 13 is provided between the combination lock shell 32 and the combination lock cylinder 31, and a third reset spring 14 is provided between the combination lock shell 32 and the coding wheel 33 close to the combination lock shell 32.

[0036] By adopting the above technical solution, the first reset spring 12 is configured to reset the push block 41 and the unlocking button 4, the second reset spring 13 can realize the movement and reset of the password lock cylinder 31, and the third reset spring 14 realizes the movement and reset of the code wheel 33 and the code changing member 35.

[0037] As an improved specific implementation manner, the lock base 1 is provided with a accommodating space 15 for accommodating the password component 3, a accommodating groove 16 for accommodating two locking plates 5, a accommodating groove 17 for accommodating the push block 41, and an accommodating channel 18 for the connecting rod 6 to pass through. The accommodating channel 18 is located between the accommodating space 15 and the accommodating groove 17, and the accommodating groove 16 is arranged at the upper end or lower end position of the lock base 1.

[0038] By adopting the above technical solution, in this specific embodiment, the accommodating groove 16 is arranged at the upper end of the lock seat 1, which can play a role in accommodating and supporting the lock plate 5 and the turntable 7. Such an arrangement makes the internal structure of the lock seat 1 more compact and the overall layout more reasonable.

[0039] As an improved specific implementation, a fixing plate 8 is provided on the lock seat 1 at the position of the accommodating space 15, and the fixing plate 8 is provided with a limiting portion 81 for limiting the password lock shell 32 and a limiting block 82 cooperating with the reset rod 11, and the reset rod 11 is arranged through the lock shell.

[0040] By adopting the above technical solution, the fixing plate 8 is specifically fixedly installed at the position of the lock seat 1 corresponding to the accommodating space 15, and the limiting portion 81 thereon cooperates with the password lock shell 32 to realize the positioning of the password lock shell 32, and the limiting block 82 thereon cooperates with the reset rod 11 to realize the installation positioning of the reset rod 11.

[0041] As an improved specific implementation manner, a rotation groove 161 is provided on the accommodating groove 16 , the turntable 7 is rotatably disposed in the rotation groove 161 , and a rotation ring 72 is provided on a surface of the turntable 7 facing the rotation groove 161 .

[0042] By adopting the above technical solution and setting the rotating ring 72, the rotation friction can be reduced when the rotating disk 7 contacts the rotating groove 161, and the transmission is smoother and more efficient.

[0043] As an improved specific implementation manner, the two locking pieces 5 are slidably disposed in the receiving groove 16 , and an escape space 162 is formed between the locking piece 5 located at the reset rod 11 and the receiving groove 16 .

[0044] By adopting the above technical solution, the accommodating groove 16 allows the locking piece 5 to slide, so that the friction is reduced when the locking piece 5 moves, the transmission is faster and more stable, and the use is smoother. The setting of the avoidance space 162 can realize the normal movement of the reset rod 11 when in use.

[0045] As an improved specific implementation, a shell 9 is disposed outside the lock base 1 , an opening 91 is disposed on the shell 9 at a position corresponding to the password wheel 34 , and the unlocking button 4 is exposed from the shell 9 .

[0046] By adopting the above technical solution, the setting of the shell 9 can play a certain protective role on the lock seat 1 and improve the aesthetics.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A U-shaped combination lock, comprising a lock seat (1), a U-shaped lock beam (2) inserted into the lock seat (1), a combination component (3) arranged in the lock seat (1), an unlocking button (4) arranged on the lock seat (1), and two lock plates (5) arranged on the lock seat (1) and capable of being clamped to the U-shaped lock beam (2), wherein the combination component (3) comprises a movably arranged combination lock cylinder (31), characterized in that: A connecting rod (6) is fixed or integrally arranged on the password lock cylinder (31), the connecting rod (6) is linked to one of the lock plates (5), a rotating disk (7) is rotatably arranged on the lock seat (1), the two lock plates (5) are both connected to the rotating disk (7), the rotating disk (7) is driven to rotate, and the two lock plates (5) move towards or away from each other, a first inclined surface (311) is arranged at the end of the password lock cylinder (31), the unlocking button (4) is connected to a push block (41), and the push block (41) is provided with a second inclined surface (411) matched with the first inclined surface (311).

2. A U-shaped combination lock according to claim 1, characterized in that: The rotating disk (7) is provided with a positioning column (71), the locking plate (5) is provided with a positioning groove (52) for accommodating the positioning column (71), the locking plate (5) is connected to the rotating disk (7) through the cooperation between the positioning groove (52) and the positioning column (71), the locking plate (5) linked with the connecting rod (6) is provided with a socket (51), the connecting rod (6) is tightly inserted in the socket (51) or the connecting rod (6) is fixedly connected to the locking plate (5).

3. A U-shaped combination lock according to claim 1 or 2, characterized in that: The password component (3) also includes a password lock shell (32), a password lock core (31) is inserted into the password lock shell (32) and is arranged to be translated relative to the password lock shell (32), a coding wheel (33) that can limit the position of the password lock core (31) is sleeved on the password lock shell (32), and a password wheel (34) is linked to the coding wheel (33).

4. A U-shaped combination lock according to claim 3, characterized in that: A code changing piece (35) is sleeved on the combination lock shell (32), and a reset rod (11) is provided at a position corresponding to the code changing piece (35) in the lock seat (1), and an inclined surface is formed between the reset rod (11) and the code changing piece (35).

5. A U-shaped combination lock according to claim 4, characterized in that: A first reset spring (12) is provided between the lock seat (1) and the push block (41), a second reset spring (13) is provided between the combination lock housing (32) and the combination lock cylinder (31), and a third reset spring (14) is provided between the combination lock housing (32) and a coding wheel (33) close to the combination lock housing (32).

6. A U-shaped combination lock according to claim 5, characterized in that: The lock base (1) is provided with a receiving space (15) for receiving the password component (3), a receiving groove (16) for receiving two lock plates (5), a receiving groove (17) for receiving the push block (41), and a receiving channel (18) for the connecting rod (6) to pass through. The receiving channel (18) is located between the receiving space (15) and the receiving groove (17). The receiving groove (16) is arranged at the upper end or the lower end of the lock base (1).

7. A U-shaped combination lock according to claim 6, characterized in that: A fixing plate (8) is provided on the lock seat (1) at a position of the accommodating space (15), and a limiting portion (81) for limiting the position of the password lock shell (32) and a limiting block (82) cooperating with a reset rod (11) are provided on the fixing plate (8), and the reset rod (11) passes through the lock shell.

8. A U-shaped combination lock according to claim 6, characterized in that: A rotating groove (161) is provided on the accommodating groove (16), the rotating disc (7) is rotatably arranged in the rotating groove (161), and a rotating ring (72) is provided on a surface of the rotating disc (7) facing the rotating groove (161).

9. A U-shaped combination lock according to claim 7, characterized in that: The two locking pieces (5) are slidably arranged in the accommodating groove (16), and an escape space (162) is formed between the locking piece (5) located at the reset rod (11) and the accommodating groove (16).

10. A U-shaped combination lock according to claim 6, characterized in that: A housing (9) is arranged outside the lock seat (1), an opening (91) is arranged on the housing (9) at a position corresponding to the password wheel (34), and an unlocking button (4) is exposed from the housing (9).

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