A push-button mechanical password lock cylinder and lock thereof

Abstract

The present invention belongs to the technical field of locks, and specifically discloses a push-button mechanical password lock core and a lock thereof, comprising a housing, a guide plate, a positioning plate, a bolt plate, a bolt spring, a code-changing lock cylinder and a torsion spring, wherein the torsion spring is sleeved on the code-changing lock cylinder, the code-changing lock cylinder is inserted on the guide plate, a push-button shaft is inserted at one end of the housing, a plurality of ground feet are arranged at the lower part of the push-button shaft, the bolt plate is correspondingly provided with a first protrusion that cooperates with the ground feet, the push-button shaft is provided with an annular groove, the annular groove is used to clamp the positioning plate, and a first reset spring is arranged between the positioning plate and the bolt plate. The password is changed by rotating the push-button shaft, and the user can directly operate the push-button shaft to arrange the password, and the number of digits of the password can be changed at will by the user. In the code-changing process, there is no need to disassemble the housing or use any tools, and only the original password needs to be input once, so that the password lock is in an unlocked state, and the password can be changed by rotating the push-button shaft.

Description

Technical Field

[0001] The invention belongs to the technical field of locks, and in particular relates to a push-button type mechanical password lock core and a lock thereof. Background Art

[0002] At present, there are mainly two types of password locks, one is the electronic key password lock and the other is the mechanical key password lock. From the current technical level and market recognition, the most widely used is the electronic key password lock. The keyboard-type electronic password is entered on the keyboard and is easy to master. Its outstanding advantage is that the "password" is a number or character remembered in the mind of the authorized person, which is accurate and reliable, not easy to lose, and difficult to be stolen. However, there is a risk that if the password is leaked, the electronic key password lock will be useless. At the same time, the electronic key password lock is expensive and requires a power supply, which greatly limits the scope of use of the electronic key password lock. It is necessary to develop a key-type mechanical password lock.

[0003] However, the number of digits of the password of general mechanical key combination locks is fixed when they leave the factory. Mechanical key combination locks that can change the code are large in size and have high manufacturing costs. Some code changes require the shell to be disassembled, and the code change operation is extremely inconvenient, which is not conducive to the promotion of mechanical key combination locks. Summary of the invention

[0004] The purpose of the present invention is to provide a push-button mechanical password lock cylinder and a lock thereof to address the deficiencies in the prior art. The password can be changed by rotating the key shaft. The user can directly operate the key to arrange the password, and the number of digits of the password can be changed at will by the user.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a push-button mechanical password lock core, comprising a shell, a guide plate, a positioning plate, a lock tongue plate, a lock tongue spring, a code-changing lock column and a torsion spring arranged in the shell in sequence along the height direction of the shell, the torsion spring is sleeved on the code-changing lock column, the code-changing lock column is inserted on the guide plate, a key shaft is inserted at one end of the shell, the key shaft passes through the guide plate and the positioning plate in sequence and extends into the accommodating cavity of the lock tongue plate, a plurality of feet of different lengths are circumferentially arranged around the lower part of the key shaft, one end face of the foot is an inclined surface, a first protrusion is arranged in the accommodating cavity of the lock tongue plate, the first protrusion and the inclined surface of the foot cooperate with each other, an annular groove is arranged in the middle part of the key shaft, the annular groove is used to clamp the positioning plate, a first reset spring is arranged between the positioning plate and the lock tongue plate, the first reset spring is used to drive the positioning plate to move laterally, a second reset spring is arranged between the lock tongue plate and the shell, and the second reset spring is used to drive the lock tongue plate to move.

[0006] Furthermore, it also includes a key clamping spring, which is installed on the upper end surface of the guide plate. The key clamping spring is provided with a first clamping protrusion, and the first clamping protrusion and the upper part of the key shaft are clamped with each other.

[0007] Furthermore, a groove is provided on the guide plate, a pressing plate is installed in the groove, and an upper end surface of the pressing plate is kept flush with an upper end surface of the positioning plate.

[0008] Furthermore, a plurality of guide holes are formed on the guide plate, and the plurality of guide holes and the plurality of key shafts are arranged in one-to-one correspondence.

[0009] Furthermore, a plurality of positioning holes are formed on the positioning plate, and the plurality of positioning holes and the plurality of button axes are arranged in one-to-one correspondence.

[0010] Furthermore, the key axis includes a password key and a regular key, and both the password key and the regular key are movably mounted on the housing.

[0011] Furthermore, a third return spring is sleeved on each of the button shafts, and the third return spring is used to drive the button shaft to return to a position before being pressed.

[0012] Further, the guide plate includes a first guide plate and a second guide plate, and the positioning plate is arranged between the first guide plate and the second guide plate.

[0013] Furthermore, at least two lock tongue spring pieces are provided, and the lock tongue spring pieces are used to support the lock tongue plate.

[0014] A lock comprises the above-mentioned push-button type mechanical password lock core.

[0015] The beneficial effects of the present invention are: a push-button mechanical password lock core comprises a shell, a guide plate, a positioning plate, a lock tongue plate, a lock tongue spring, a code-changing lock column and a torsion spring which are sequentially arranged in the shell along the height direction of the shell, the torsion spring is sleeved on the code-changing lock column, the code-changing lock column is inserted into the guide plate, a key shaft is inserted into one end of the shell, the key shaft sequentially passes through the guide plate and the positioning plate and extends into the accommodating cavity of the lock tongue plate, a plurality of feet of different lengths are circumferentially arranged around the lower part of the key shaft, one end face of the foot is an inclined surface, a first protrusion is arranged in the accommodating cavity of the lock tongue plate, the first protrusion and the inclined surface of the foot cooperate with each other, an annular groove is arranged in the middle part of the key shaft, the annular groove is used to clamp the positioning plate, a first reset spring is arranged between the positioning plate and the lock tongue plate, the first reset spring is used to drive the positioning plate to move laterally, a second reset spring is arranged between the lock tongue plate and the shell, and the second reset spring is used to drive the lock tongue plate to move. The present invention provides a push-button mechanical password lock core, which realizes an unlocking function by cooperating with a first protrusion through a plurality of feet of different lengths located at the lower part of a push-button shaft, and realizes password replacement by rotating the push-button shaft. The user can directly operate the push-button shaft to arrange the password, and the number of digits of the password can be changed by the user at will, so that the user does not need to disassemble the shell when changing the password, and does not need to use any tools during the code change process. It only needs to input the original password once, so that the password lock is in an unlocked state, and the password can be replaced by rotating the push-button shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of a push-button mechanical password lock cylinder in a specific embodiment of the present invention;

[0017] Figure 2 This is a second structural schematic diagram of a push-button mechanical password lock cylinder in a specific embodiment of the present invention;

[0018] Figure 3 This is a third structural schematic diagram of a push-button mechanical password lock cylinder in a specific embodiment of the present invention;

[0019] Figure 4 This is a fourth structural schematic diagram of a push-button mechanical password lock cylinder in a specific embodiment of the present invention;

[0020] Figure 5 It is a schematic diagram of the arrangement of the third return spring in a specific embodiment of the present invention;

[0021] Figure 6 It is a schematic diagram of the arrangement of the key axes in a specific embodiment of the present invention;

[0022] Figure 7It is a structural schematic diagram of a lock tongue spring in a specific embodiment of the present invention;

[0023] Figure 8 It is a structural schematic diagram of a key clamp spring in a specific embodiment of the present invention;

[0024] Fig. 9 It is a structural schematic diagram of a pressing plate in a specific embodiment of the present invention;

[0025] Fig.10 It is one of the structural schematic diagrams of the bolt plate in the specific implementation mode of the present invention;

[0026] Fig.11 This is the second structural schematic diagram of the bolt plate in the specific implementation mode of the present invention;

[0027] Fig.12 It is a structural schematic diagram of a positioning plate in a specific embodiment of the present invention;

[0028] Fig.13 It is a structural schematic diagram of a guide plate in a specific embodiment of the present invention;

[0029] Fig.14 It is a schematic structural diagram of a housing in a specific embodiment of the present invention;

[0030] Fig.15 It is a schematic diagram of the installation of a torsion spring sleeved on a code-changing lock cylinder in a specific embodiment of the present invention.

[0031] Wherein: 1. Shell; 2. Guide plate; 21. First guide plate; 22. Second guide plate; 23. Groove; 24. Guide hole; 3. Positioning plate; 31. Positioning hole; 4. Lock tongue plate; 41. Accommodating cavity; 42. First protrusion; 5. Lock tongue spring; 6. Key shaft; 7. Ground pin; 8. First return spring; 9. Second return spring; 10. Key retaining spring; 101. First retaining protrusion; 11. Press plate; 12. Third return spring; 13. Code-changing lock cylinder; 14. Torsion spring. DETAILED DESCRIPTION

[0032] In the description of the application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention.

[0033] In the description of this application, unless otherwise clearly specified and limited, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance; the term "plurality" refers to two or more; unless otherwise specified or explained, the terms "connected", "fixed", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, an integral connection, or an electrical connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] To make the technical solutions and advantages of the present invention more clear, the present invention and its beneficial effects will be described in further detail below in conjunction with specific implementation methods and accompanying drawings, but the implementation methods of the present invention are not limited thereto.

[0036] like Figure 1As shown, a push-button mechanical password lock cylinder comprises a shell 1, a guide plate 2, a positioning plate 3, a lock tongue plate 4 and a lock tongue spring piece 5 which are sequentially arranged in the shell 1 along the height direction of the shell 1, a push-button shaft 6 is inserted at one end of the shell 1, the push-button shaft 6 passes through the guide plate 2 and the positioning plate 3 in sequence and extends into the accommodating cavity 41 of the lock tongue plate 4, a plurality of feet 7 of different lengths are circumferentially arranged around the lower part of the push-button shaft 6, one end face of the foot 7 is an inclined surface, a first protrusion 42 is arranged in the accommodating cavity 41 of the lock tongue plate 4, the first protrusion 42 and the inclined surface of the foot 7 cooperate with each other, an annular groove 23 is arranged in the middle part of the push-button shaft 6, the annular groove 23 is used to clamp the positioning plate 3, a first reset spring 8 is arranged between the positioning plate 3 and the lock tongue plate 4, the first reset spring 8 is used to drive the positioning plate 3 to move laterally, a second reset spring 9 is arranged between the lock tongue plate 4 and the shell 1, the second reset spring 9 is used to drive the lock tongue plate 4 to move. The present invention provides a push-button mechanical password lock core. When the password is pressed correctly, the key shaft 6 corresponding to the first password digit is pressed first, and the foot 7 located at the lower part of the key shaft 6 has an inclined surface that abuts against the first protrusion 42 on the lock tongue plate 4. During the pressing process, the first protrusion 42 moves along the inclined direction of the inclined surface, thereby driving the lock tongue plate 4 to move, and drives the positioning plate 3 to move through the first reset spring 8, so that the positioning plate 3 is clamped on the key shaft 6 corresponding to the first digit. When the key shaft 6 is released, the key shaft 6 corresponding to the first digit remains in a pressed state; when the key shaft corresponding to the second password digit is pressed, the key shaft corresponding to the second password digit moves downward, so that the foot located at the lower part of the key shaft abuts against the first protrusion on the lock tongue plate, and continues to push the lock tongue plate to move a certain distance, and the first password digit is released. The positioning spring 8 drives the positioning plate 3 to move, releases the restriction on the key shaft 6 corresponding to the first digit, and resets the key shaft 6 corresponding to the first digit. At the same time, the positioning plate 3 is connected to the key shaft 6 corresponding to the second digit. By analogy, the key shaft 6 corresponding to each digital password can push the lock tongue plate 4 to move a distance. When the last password number is pressed, the lock tongue plate 4 releases the restriction on the lock mechanism and realizes the unlocking function. When the password is pressed incorrectly, the ground foot 7 and the first protrusion 42 located at the bottom of the key shaft 6 are staggered, and the lock tongue plate 4 remains in place. At the same time, since the key shaft 6 is pressed down to contact the positioning plate 3, the positioning plate 3 moves down, so that the key shaft 6 connected to the positioning plate 3 is reset, and the restriction on the lock tongue plate 4 is released. Under the action of the first reset spring 8 and the second reset spring 9, the lock tongue plate 4 retreats, and the password needs to be re-entered.

[0037] In this specific embodiment, it also includes a code change lock column 13 and a torsion spring 14, the torsion spring 14 is sleeved on the code change lock column 13, the code change lock column 13 is inserted on the guide plate 2, and 6 feet of different lengths are arranged at the lower part of the key shaft 6, and the end face of each foot away from the key shaft is an inclined surface, and the feet are arranged in order from long to short, namely the first foot, the second foot, the third foot, the fourth foot, the fifth foot and the sixth foot, which correspond to the pressing order of the password in turn. For example: the initial password is 362145, the number "3" is the first digit, the key shaft corresponding to the number "3", the first foot on the key shaft corresponds to the first protrusion 42, the number "6" is the second digit, the key shaft corresponding to the number "6", the second foot of the key shaft corresponds to the first protrusion 42, and so on, until all passwords are entered and the unlocking action is completed.

[0038] The code changing method of the push-button mechanical password lock cylinder is as follows: first input the initial password to put the password lock in the unlocked state, then turn the code changing lock column 13 so that the first guide plate 212 and the second guide plate 222 release the axial restriction on the key shaft 6, and the key shaft 6 is in a free rotation state. When setting the code, rotate one to six digits clockwise according to the sequence of the password digits. After the code setting is completed, pull back the code changing lock column 13. For example, if the set password is 635412, rotate the key shaft corresponding to the number "6" so that the first foot on the key shaft corresponds to the first protrusion 42, rotate the key shaft corresponding to the number "3" so that the second foot on the key shaft corresponds to the first protrusion 42, and so on, until all passwords are set, and then pull back the code changing lock column 13.

[0039] Preferably, the key clamp spring 10 is further included, and the key clamp spring 10 is installed on the upper end surface of the guide plate 2. The key clamp spring 10 is provided with a first clamping protrusion 101, and the first clamping protrusion 101 and the upper part of the key shaft 6 are mutually clamped. This structural design can provide a limiting force for the key shaft 6. When the key shaft 6 is rotated, each rotation angle corresponds to a limiting force and sound, which is convenient for the user to quickly identify the rotation angle and prevent errors in password setting.

[0040] Preferably, the guide plate 2 is provided with a groove 23, in which the pressing plate 11 is installed, and the upper end surface of the pressing plate 11 is kept flush with the upper end surface of the positioning plate 3. This structural design improves the structural firmness of the push-button mechanical password lock cylinder, has a compact structure, and reliable operation.

[0041] Preferably, the guide plate 2 is provided with a plurality of guide holes 24, which are arranged one-to-one with the plurality of key shafts 6, and the positioning plate 3 is provided with a plurality of positioning holes 31, which are arranged one-to-one with the plurality of key shafts 6. This reasonable structural design enables the various components in the push-button mechanical password lock core to coordinate and cooperate, thereby enhancing the continuity and reliability of the action.

[0042] Preferably, the key axis 6 includes password keys and regular keys, and both the password keys and the regular keys are movably mounted on the housing 1. The password keys are 0 to 9, and the regular keys are "open" key and "#".

[0043] Preferably, the key shaft 6 is sleeved with a third return spring 12, which is used to drive the key shaft 6 to return to the position before being pressed, the guide plate 2 includes a first guide plate 212 and a second guide plate 222, the positioning plate 3 is arranged between the first guide plate 212 and the second guide plate 222, and at least two lock tongue spring pieces 5 are provided, and the lock tongue spring pieces 5 are used to support the lock tongue plate 4. This structural design makes the structure of the key-type mechanical password lock cylinder compact and improves the service life of the key-type mechanical password lock cylinder.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0045] According to the disclosure and teaching of the above description, those skilled in the art to which the present invention belongs can also change and modify the above embodiment. Therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by those skilled in the art on the basis of the present invention belongs to the protection scope of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any limitation to the present invention.

Claims

1. A push-button mechanical password lock cylinder, characterized in that: The invention comprises a shell (1), a guide plate (2), a positioning plate (3), a lock tongue plate (4), a lock tongue spring (5), a code-changing lock column (13) and a torsion spring (14) which are sequentially arranged in the shell (1) along the height direction of the shell (1), the torsion spring (14) being sleeved on the code-changing lock column (13), the code-changing lock column (13) being inserted on the guide plate (2), a key shaft (6) being inserted at one end of the shell (1), the key shaft (6) sequentially passing through the guide plate (2) and the positioning plate (3) and extending into the accommodating cavity (41) of the lock tongue plate (4), a plurality of feet (7) of different lengths being circumferentially arranged around the lower part of the key shaft (6), the key shaft (6) being arranged on the lower part of the lock tongue plate (4 ... One end face of the foot (7) is an inclined surface, a first protrusion (42) is arranged in the accommodating cavity (41) of the lock tongue plate (4), the first protrusion (42) and the inclined surface of the foot (7) cooperate with each other, an annular groove is arranged in the middle of the key shaft (6), the annular groove is used to clamp the positioning plate (3), a first return spring (8) is arranged between the positioning plate (3) and the lock tongue plate (4), the first return spring (8) is used to drive the positioning plate (3) to move laterally, a second return spring (9) is arranged between the lock tongue plate (4) and the housing (1), the second return spring (9) is used to drive the lock tongue plate (4) to move.

2. A push-button mechanical password lock cylinder according to claim 1, characterized in that: It also comprises a key clamping spring (10), which is mounted on the upper end surface of the guide plate (2), and a first clamping protrusion is provided on the key clamping spring (10), and the first clamping protrusion and the upper part of the key shaft (6) are mutually clamped.

3. A push-button mechanical password lock cylinder according to claim 1, characterized in that: The guide plate (2) is provided with a groove, a pressing plate (11) is installed in the groove, and the upper end surface of the pressing plate (11) is kept flush with the upper end surface of the positioning plate (3).

4. A push-button mechanical password lock cylinder according to claim 1, characterized in that: The guide plate (2) is provided with a plurality of guide holes (24), and the plurality of guide holes (24) and the plurality of key axes (6) are arranged in a one-to-one correspondence.

5. A push-button mechanical password lock cylinder according to claim 1, characterized in that: The positioning plate (3) is provided with a plurality of positioning holes (31), and the plurality of positioning holes (31) and the plurality of key axes (6) are arranged in a one-to-one correspondence.

6. A push-button mechanical password lock cylinder according to claim 1, characterized in that: The key shaft (6) comprises a password key and a regular key, and both the password key and the regular key are movably mounted on the housing (1).

7. A push-button mechanical password lock cylinder according to claim 1, characterized in that: The button shaft (6) is sleeved with a third return spring (12), and the third return spring (12) is used to drive the button shaft (6) to return to a position before being pressed.

8. The push-button mechanical password lock cylinder according to claim 1, characterized in that: The guide plate (2) comprises a first guide plate and a second guide plate, and the positioning plate (3) is arranged between the first guide plate and the second guide plate.

9. A push-button mechanical password lock cylinder according to claim 1, characterized in that: At least two locking tongue spring pieces (5) are provided, and the locking tongue spring pieces (5) are used to support the locking tongue plate (4).

10. A lock, characterized in that: It comprises the push-button mechanical password lock cylinder as described in any one of claims 1 to 9.

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