A mechanical combination lock suitable for refrigerators, cabinet doors and drawers
By designing a locking mechanism and pushing mechanism in the mechanical password lock, ensuring that the wire rope lock head can be inserted into the lock shell at any password position, solving the problem that the locking function of the existing mechanical password lock cannot be realized when the password is wrong, and improving the efficiency and practicality of the lock.
Patent Information
- Application Number
- CN202421394264.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-18
AI Technical Summary
When the existing mechanical password lock is incorrect, it is difficult to insert the wire rope lock head into the lock shell, resulting in the locking function being unable to be realized, reducing the efficiency and practicality of use.
A mechanical code lock including a front lock shell, a rear lock shell, a wire rope lock head, a password wheel, a cam and a switch mechanism is designed. Through the cooperation of the locking mechanism and a pushing mechanism, the wire rope lock head can be inserted into the lock shell at any password position to realize the locking function.
This design improves the efficiency and effect of mechanical password locks, ensuring that the wire rope lock head can be inserted into the lock shell at any password position, realizing the locking function, thereby enhancing the practicality of the lock.
Smart Images
Figure CN222731292U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical password locks, in particular to a mechanical password lock applicable to refrigerators, cabinet doors and drawers. Background Art
[0002] As we all know, a mechanical password lock suitable for refrigerators, cabinet doors, and drawers is a traditional lock. It uses a purely mechanical structure to set and verify the password without power support, so it has high reliability and durability. The existing mechanical password locks suitable for refrigerators, cabinet doors, and drawers have been widely used in the field of locks;
[0003] It is found in the use of an existing mechanical password lock applicable to refrigerators, cabinet doors, and drawers that the existing password locks of the same type require the wire rope lock head to be inserted into the lock shell when the password is correct to achieve the locking function. When the password is incorrect, the lock head is difficult to insert and the locking function cannot be achieved, which reduces the convenience of use, thereby reducing the use efficiency and effect of the mechanical password lock, resulting in poor practicality. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies in the prior art, the utility model provides a mechanism that allows a wire rope lock head to be inserted into a lock shell regardless of whether the password is incorrect or correct, thereby realizing the locking function. The efficiency and effect of the mechanical password lock are enhanced, thereby enhancing the practicality of the mechanical password lock that can be applied to refrigerators, cabinet doors, and drawers.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical password lock applicable to refrigerators, cabinet doors and drawers, comprising a front lock housing, a rear lock housing, a first steel wire rope, a small end of a steel wire rope, a steel wire rope lock head, a password wheel, a first cam and a camshaft, a plurality of groups of password wheels are fastened to the corresponding first cams, the camshaft is slidably mounted with the plurality of groups of first cams, one side of the first steel wire rope is connected to the steel wire rope lock head, one side of the first steel wire rope is connected to the small end of the steel wire rope, a switch mechanism is arranged on one side of the camshaft, and the steel wire rope lock head and the front lock housing are locked by a locking mechanism;
[0008] The locking mechanism also includes a lock spring and a lock block. A clamping groove is provided in the lock spring. The lock spring is fixedly installed in the front lock shell. The lock spring is slidably connected to the front lock shell. One side of the lock spring is squeezed by one side of the lock spring. The wire rope lock is inserted into the lock spring in the front lock shell. The wire rope lock is clamped with the clamping block through the clamping groove. One side of the lock spring is connected to the switch mechanism. The wire rope lock is provided with a pushing mechanism.
[0009] Furthermore, in order to facilitate insertion into the lock buckle spring piece, the utility model is improved in that the wire rope lock head is configured to be an arc shape.
[0010] Furthermore, in order to facilitate switch control, the improvements of the utility model are that the switch mechanism also includes a lock shell switch cover, a spring, a connecting plate and a pressing plate. The lock shell switch cover is slidably connected to the front lock shell, the spring is fitted to the camshaft, one side of the camshaft is connected to the connecting plate, one side of the connecting plate is connected to one side of the lock shell switch cover, one side of the lock shell switch cover is connected to one side of the pressing plate, and one side of the pressing plate is tightly attached to one side of the lock spring.
[0011] Furthermore, in order to facilitate the popping out of the wire rope lock, the improvement of the utility model is that the pushing mechanism also includes a first elastic pin and a elastic pin spring, the first elastic pin and the elastic pin spring are located in the front lock shell, the first elastic pin is slidably connected to the front lock shell, one side of the first elastic pin is squeezed by the elastic pin spring, and one side of the first elastic pin is tightened against the wire rope lock.
[0012] Furthermore, in order to facilitate the fixation of the lock, the improvement of the utility model further includes foam glue, and the front lock shell and the rear lock shell are respectively adhered to the main body of the locked object and the door body through the foam glue.
[0013] Furthermore, in order to improve the connection stability, the present invention has the following improvements: the small end of the steel wire rope and the steel wire rope locking head are stamped and riveted to the first steel wire rope.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the utility model provides a mechanical password lock applicable to refrigerators, cabinet doors, and drawers, which has the following beneficial effects:
[0016] The mechanical password lock applicable to refrigerators, cabinet doors and drawers uses a locking mechanism, wherein the front lock shell and the rear lock shell are respectively attached to the main body of the locked object and the door body by means of foam adhesive, and the object is locked and unlocked by means of a first steel wire rope. The steel wire rope lock head is inserted into the front lock shell for a locked state, and the steel wire rope is detached from the front lock shell for an unlocked state. The practical lock uses a lock buckle spring and a lock buckle shrapnel and a switch mechanism as a split structure, so that the steel wire rope can be inserted into the lock shell whether the password wheel is in the correct position or the wrong position, thereby realizing the locking function, and the password wheel does not need to be inserted into the lock shell. No matter it is in the correct password position or the wrong password position, the wire rope lock head can be inserted into the front lock shell to realize the locking function. By using the switch mechanism, it is easy to drive the lock buckle spring to slide, so as to facilitate the switch control of the wire rope lock head. By using the pushing mechanism, it is easy to eject the wire rope lock head from the front lock shell during the unlocking process. A mechanism is used to facilitate the wire rope lock head to be inserted into the lock shell regardless of the wrong password or the correct password to realize the locking function. Therefore, the use efficiency and effect of the mechanical password lock are enhanced, thereby enhancing the practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a structural schematic diagram of a cross-sectional view of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the connection between the lock spring and the lock spring of the utility model;
[0020] Figure 4 The utility model is a structural schematic diagram of the connection between the lock buckle spring piece and the wire rope lock head.
[0021] In the figure: 1. front lock shell; 2. rear lock shell; 3. first steel wire rope; 4. small end of steel wire rope; 5. steel wire rope lock head; 6. password wheel; 7. first cam; 8. camshaft; 9. lock spring; 10. lock spring; 11. clamping block; 12. clamping groove; 13. lock shell switch cover; 14. spring; 15. connecting plate; 16. pressing plate; 17. first elastic pin; 18. elastic pin spring; 19. foam glue. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-4 , a mechanical password lock applicable to refrigerators, cabinet doors, and drawers, comprising a front lock housing 1, a rear lock housing 2, a first steel wire rope 3, a small steel wire rope end 4, a steel wire rope lock head 5, a password wheel 6, a first cam 7, and a camshaft 8, a plurality of groups of password wheels 6 are fastened to the corresponding first cams 7, the camshaft 8 is slidably mounted with the plurality of groups of first cams 7, one side of the first steel wire rope 3 is connected to the steel wire rope lock head 5, one side of the first steel wire rope 3 is connected to the small steel wire rope end 4, a switch mechanism is provided on one side of the camshaft 8, and the steel wire rope lock head 5 is locked with the front lock housing 1 through a locking mechanism;
[0024] The locking mechanism also includes a lock spring 9 and a lock block 11. The lock spring 9 is provided with a clamping groove 12 in the middle of the wire rope lock head 5. The lock spring 10 is fixedly installed in the front lock shell 1. The lock spring 9 is slidably connected to the front lock shell 1. One side of the lock spring 10 is squeezed by one side of the lock spring 9. The wire rope lock head 5 is inserted into the lock spring 9 in the front lock shell 1. The wire rope lock head 5 is clamped with the clamping block 11 through the clamping groove 12. One side of the lock spring 9 is connected to the switch mechanism. The wire rope lock head 5 is provided with a pushing mechanism.
[0025] When the device is in use, through the use of the locking mechanism, the front lock shell 1 and the rear lock shell 2 are respectively attached to the main body of the locked object and the door body through the foam glue 19, and the object is locked and unlocked through the first steel wire rope 3. The steel wire rope lock head 5 is inserted into the front lock shell 1 for the locked state, and the steel wire rope is detached from the front lock shell 1 for the unlocked state; the practical lock, through the use of the lock spring 10 and the lock shrapnel 9 and the split structure of the switch mechanism, can realize the password wheel 6 in the correct position or the wrong position, and the steel wire rope can be inserted into the lock shell, thereby realizing the locking function. No matter the password wheel 6 is in the correct password position or the wrong password position, because the split design of the lock shrapnel 9 and the pressing plate 16 makes it possible to lock and unlock the password wheel 6 through the roundness of the steel wire rope lock head 5 The arc-shaped design can easily push the wire rope lock head 5 into the front lock shell 1. In the case of an incorrect password, the switch mechanism cannot be pressed, and the wire rope lock head 5 can be inserted into the front lock shell 1 to achieve the locking function. Through the use of the switch mechanism, it is easy to drive the lock buckle spring 9 to slide, thereby facilitating the switch control of the wire rope lock head 5. Through the use of the pushing mechanism, through the use of the elastic pin spring 18 and the first elastic pin 17, it is easy to eject the wire rope lock head 5 from the front lock shell 1 during the unlocking process. A mechanism is used to facilitate the wire rope lock head 5 to be inserted into the lock shell regardless of whether the password is incorrect or correct, thereby achieving the locking function. Therefore, the use efficiency and effect of the mechanical password lock are enhanced, thereby enhancing practicality.
[0026] It is found in actual use that it is not convenient to insert the lock spring piece 9. In order to solve the above problem, in this embodiment, the wire rope lock head 5 is set to be an arc shape.
[0027] It was found in actual use that it is inconvenient to control the switch. In order to solve the above problem, in this embodiment, the switch mechanism also includes a lock shell switch cover 13, a leaf spring 14, a connecting plate 15 and a pressing plate 16. The lock shell switch cover 13 is slidably connected to the front lock shell 1, the leaf spring 14 is fitted to the cam shaft 8, one side of the cam shaft 8 is connected to the connecting plate 15, one side of the connecting plate 15 is connected to one side of the lock shell switch cover 13, one side of the lock shell switch cover 13 is connected to one side of the pressing plate 16, and one side of the pressing plate 16 is tightly attached to one side of the lock spring 9.
[0028] It is found in actual use that it is not convenient to pop out the wire rope lock 5. In order to solve the above problem, in this embodiment, the pushing mechanism also includes a first elastic pin 17 and an elastic pin spring 18. The first elastic pin 17 and the elastic pin spring 18 are located in the front lock shell 1. The first elastic pin 17 is slidably connected to the front lock shell 1, one side of the first elastic pin 17 is squeezed by the elastic pin spring 18, and one side of the first elastic pin 17 is pressed against the wire rope lock 5.
[0029] In actual use, it is found that it is inconvenient to fix the lock. In order to solve the above problem, this embodiment also includes foam glue 19. The front lock shell 1 and the rear lock shell 2 are respectively adhered to the main body of the locked object and the door body through the foam glue 19.
[0030] It was found in actual use that it is not convenient to improve the connection stability. In order to solve the above problem, in this embodiment, the small head of the wire rope 4 and the wire rope locking head 5 are stamped and riveted on the first wire rope 3.
[0031] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0032] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.
[0033] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mechanical password lock applicable to refrigerators, cabinet doors and drawers, comprising a front lock housing (1), a rear lock housing (2), a first steel wire rope (3), a small end of the steel wire rope (4), a steel wire rope lock head (5), a password wheel (6), a first cam (7) and a cam shaft (8), wherein a plurality of groups of password wheels (6) are fastened to the corresponding first cams (7), the cam shaft (8) is slidably mounted to the plurality of groups of first cams (7), one side of the first steel wire rope (3) is connected to the steel wire rope lock head (5), one side of the first steel wire rope (3) is connected to the small end of the steel wire rope (4), a switch mechanism is arranged on one side of the cam shaft (8), and the steel wire rope lock head (5) and the front lock housing (1) are locked by a locking mechanism; It is characterized in that The locking mechanism further comprises a locking spring (9) and a locking spring (10), a clamping block (11) is arranged in the locking spring (9), a clamping groove (12) is arranged in the middle of the wire rope lock head (5), the locking spring (10) is fixedly installed in the front lock shell (1), the locking spring (9) is slidably connected with the front lock shell (1), one side of the locking spring (10) is squeezed by one side of the locking spring (9), the wire rope lock head (5) is inserted into the locking spring (9) in the front lock shell (1), the wire rope lock head (5) is clamped with the clamping block (11) through the clamping groove (12), one side of the locking spring (9) is connected with the switch mechanism, and the wire rope lock head (5) is provided with a pushing mechanism.
2. According to claim 1, a mechanical password lock applicable to refrigerators, cabinet doors, and drawers is characterized in that: The wire rope lock head (5) is arranged in an arc shape.
3. According to claim 2, a mechanical password lock applicable to refrigerators, cabinet doors, and drawers is characterized in that: The switch mechanism further comprises a lock housing switch cover (13), a leaf spring (14), a connecting plate (15) and a pressing plate (16); the lock housing switch cover (13) is slidably connected to the front lock housing (1); the leaf spring (14) is fitted with the cam shaft (8); one side of the cam shaft (8) is connected to the connecting plate (15); one side of the connecting plate (15) is connected to one side of the lock housing switch cover (13); one side of the lock housing switch cover (13) is connected to one side of the pressing plate (16); and one side of the pressing plate (16) is in close contact with one side of the lock buckle leaf (9).
4. According to claim 3, a mechanical password lock applicable to refrigerators, cabinet doors, and drawers is characterized in that: The pushing mechanism also includes a first elastic pin (17) and an elastic pin spring (18), the first elastic pin (17) and the elastic pin spring (18) are located in the front lock housing (1), the first elastic pin (17) is slidably connected to the front lock housing (1), one side of the first elastic pin (17) is pressed against the elastic pin spring (18), and one side of the first elastic pin (17) is pressed against the wire rope lock head (5).
5. According to claim 4, a mechanical password lock applicable to refrigerators, cabinet doors, and drawers is characterized in that: It also comprises foam glue (19), and the front lock shell (1) and the rear lock shell (2) are respectively adhered to the main body of the locked object and the door body through the foam glue (19).
6. According to claim 5, a mechanical password lock applicable to refrigerators, cabinet doors, and drawers is characterized in that: The small end (4) of the steel wire rope and the locking end (5) of the steel wire rope are stamped and riveted onto the first steel wire rope (3).