Cantilever type lockset capable of being prevented from being opened by children
Through the design of the cantilever lock, the lock state switching is achieved by using the sliding block and the pressing module, which solves the problem of the lack of gear sense in existing locks and improves the user's control experience and safety.
Patent Information
- Application Number
- CN202422549616.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-22
AI Technical Summary
Existing locks that prevent children from opening lack a sense of gear position, which makes it difficult for users to identify the control status and affects the user experience.
A cantilever lock is designed to prevent children from opening the lock. Through the cooperation of the lock body and the lock seat, the sliding block, cantilever part and pressing module are used to realize the locking and unlocking state switching of the lock, providing a clear gear sense and tactile feel.
It improves the user's recognition and control experience of lock state switching, ensures the effective operation of the lock in different states, and prevents young children from opening the lock by mistake.
Smart Images

Figure CN223317674U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locks that prevent children from opening, and in particular to a cantilever lock that prevents children from opening. Background Art
[0002] Young children are naturally curious and active, and this is necessary for their physical growth and intellectual development. However, they do not yet have the ability to identify many dangerous behaviors, especially those under 4 years old. Even if they are accompanied by adults, it is usually impossible to pay attention to their behavior all the time. Young children often do some unexpected behaviors that may cause self-harm, such as opening cabinet doors, refrigerator doors, drawers and other furniture, touching or accidentally swallowing items that may cause harm to them. It is an effective means to install locks to prevent children from opening furniture where items that may cause harm to children are stored.
[0003] For example, the prior patent with the authorization announcement number CN209509813U discloses a lock that prevents children from opening the lock, comprising two lock bodies and a flexible connecting belt (1) connected between the two lock bodies; a lock shell (2) and a lock seat (3) that are locked or separated from each other; the lock seat (3) comprises a bottom plate (4) and a raised ring (5), and a raised ring (6) is provided along the upper end of the inner wall of the raised ring (5); the lock shell (2) comprises a rectangular frame (7) and a middle raised ring (8) ), side notches (9) are provided on both sides of the rectangular frame (7), and sliding fasteners (10) are respectively installed in the side notches (9) of the lock shell (2), the sliding fastener (10) includes a pressing portion (11) and a buckle (12), the buckle (12) extends into the middle convex ring (8), and a compression spring (13) is provided between the inner side wall of the pressing portion (11) of the sliding fastener (10) and the outer side wall of the middle convex ring (8) of the lock shell (2); and a movable locking mechanism is provided between the buckles (12) on both sides.
[0004] The lock is placed in an openable or locked state through a movable locking mechanism. In the prior art, the movable locking mechanism lacks a sense of gear position, which may cause the user to be unable to identify whether the operation of the movable locking mechanism is completed, affecting the user experience of the lock. Utility Model Content
[0005] The purpose of the utility model is to provide a cantilever lock that prevents children from opening, aiming to solve the problem in the prior art that locks that prevent children from opening lack a sense of gear position.
[0006] The lock assembly comprises a locking mechanism, a locking block, a movable member, and a cantilever member, wherein the locking mechanism is configured to lock the locking mechanism and unlock the locking mechanism.
[0007] Furthermore, the lock body includes a locking block and a movable block. Along the moving direction of the sliding block, the locking block and the movable block are arranged at intervals and in correspondence. The locking block has the locking groove, and the movable block has the movable groove; the movable block has a movable groove, which is extended in a long strip shape, and the movable groove is extended obliquely in the direction away from the sliding block, and the other end of the arm drive column is movably embedded in the movable groove.
[0008] Furthermore, the lock body includes two fixed block plates, which are arranged in a corresponding manner at intervals, and the movable block is located between the two fixed block plates; the fixed block plate includes a supporting block part and a fixed block part, the lower part of the fixed block part is docked with the supporting block part, and the upper part of the fixed block part is extended in a direction away from the supporting block part, the supporting block parts of the two fixed block plates are used to synchronously carry the movable block, and the fixed block parts of the two fixed block plates are used to position the movable block.
[0009] Furthermore, the stopping block has a stopping surface, which extends to the stopping groove, and is arranged to be obliquely extended in the direction away from the stopping groove; the movable block has a movable surface, which extends to the movable groove, and is arranged to be obliquely extended in the direction away from the movable groove; the stopping surface and the movable surface are arranged to be spaced apart and corresponding to each other, and the stopping surface and the movable surface are respectively located between the stopping groove and the movable groove.
[0010] Furthermore, the lock body includes a lock shell, the lock shell includes a shell buckle part, the shell buckle part is arranged in the middle, the lock seat includes a plurality of seat buckles, each of the seat buckles is arranged in a corresponding circumferential interval, the seat buckle is used to pass through the shell buckle part, and the seat buckle is used to be fastened or separated with the pressing module; the fixed block plate is arranged in contact with the outer surface of the shell buckle part, and the fixed block plate is extended in the direction away from the shell buckle part; the centers of the two fixed block plates form a plate center, and the plate center is arranged in a straight line corresponding to the center of the shell buckle part.
[0011] Furthermore, the end of the seat buckle forms a seat surface, the supporting block portion has a supporting block surface, the seat surface and the supporting block surface are arranged flush with each other, and the supporting block surface is extended in a direction away from the seat surface, and the seat surface and the two supporting block surfaces are used to synchronously support the moving block.
[0012] Furthermore, the pressing module includes two pressing parts, which are arranged in a corresponding manner at intervals, and are respectively used to receive pressing force; the pressing part includes a pressing body and a pressing spring, the pressing body has a pressing head, one end of the pressing spring is fixedly arranged, and the other end of the pressing spring is docked with the pressing body, and the pressing spring is used to drive the pressing head to move toward the seat buckle and cause the pressing head and the seat buckle to be fastened.
[0013] Furthermore, the lock body includes a spring-fixed part, which includes two spring-fixed plates. The two spring-fixed plates are arranged in a corresponding manner at intervals, and the pressing spring is located between the two spring-fixed plates; the ends of the spring-fixed plates form spring plate buckles, which pass through the pressing body, and the spring plate buckles and the pressing body are buckled and fixed.
[0014] Furthermore, the cantilever member includes a main arm block and a cantilever rod, the cantilever rod is arranged in a long strip shape and is suspended in the air, the inner end of the main arm block is docked with the sliding block, the outer end of the main arm block is docked with the inner end of the cantilever rod, and the outer end of the cantilever rod forms the cantilever block.
[0015] Furthermore, the lock body includes a lock frame and a belt fixing plate, and the lock frame and the belt fixing plate are used to clamp the lock belt part. The lock frame has two frame grooves, and the two ends of the belt fixing plate are respectively convex parts, and the convex parts are arranged to convex outward, and the two convex parts are respectively embedded in the two frame grooves.
[0016] When the cantilever block is in the locking groove, the moving block restricts the movement of the pressing module, and the pressing module is in the locked state, and the lock body and the lock seat cannot be unlocked by the pressing module, effectively preventing children from opening the lock; in this way, through the movement of the cantilever member, the switching control of different states has a better gear sense and hand feel, which improves the user experience and is convenient for the user to identify whether the lock has completed the state switching. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is an exploded schematic diagram of the cantilever lock provided by the present invention to prevent children from opening;
[0018] Figure 2 This is a perspective schematic diagram of the sliding card structure of the cantilever lock that prevents children from opening provided by the utility model;
[0019] Figure 3 This is a three-dimensional schematic diagram of the cooperation between the sliding card structure and the pressing module of the cantilever lock that prevents children from opening provided by the utility model;
[0020] Figure 4 This is an enlarged schematic diagram of part A of the cantilever lock that prevents children from opening provided by the present invention;
[0021] Figure 5 This is an enlarged schematic diagram of part B of the cantilever lock provided by the present invention to prevent children from opening;
[0022] Figure 6 This is a cross-sectional schematic diagram of the lock body of the cantilever lock that prevents children from opening provided by the utility model;
[0023] Figure 7 This is a schematic diagram of the layout of the cantilever lock with a fixing plate provided by the utility model to prevent children from opening;
[0024] Figure 8 This is a three-dimensional schematic diagram of a cantilever lock that prevents children from opening provided by the utility model;
[0025] Figure 9 The utility model is a cross-sectional schematic diagram of a cantilever lock that prevents children from opening. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0027] The implementation of the present invention is described in detail below with reference to specific embodiments.
[0028] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this utility model, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. indicating directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.
[0029] Reference Figure 1-9 The figure shows a preferred embodiment of the present invention.
[0030] The cantilever lock to prevent children from opening includes a lock body 1, a lock seat 2 and a sliding card structure 3. The lock body 1 includes a pressing module 4, which is locked with the lock seat 2 and is unlocked with the lock seat 2 by an external force; the sliding card structure 3 includes a sliding block 31, a moving block 32, an arm drive column 33 and a cantilever member 34. The sliding block 31 is movably assembled with the lock body 1, and the sliding block 31 is used to receive the pushing force. One side of the arm drive column 33 is used to unlock the lock body 1. The end is docked with the cantilever member 34, and the other end of the arm drive column 33 is movably embedded with a moving block 32. The arm drive column 33 is used to drive the moving block 32 to move toward or away from the pressing module 4. The inner end of the cantilever member 34 is docked with the sliding block 31, and the outer end of the cantilever member 34 forms a cantilever block. The lock body 1 has a locking groove 111 and a movable groove 121. The cantilever block is used to be embedded or separated with the locking groove 111 or the movable groove 121.
[0031] The above-mentioned cantilever lock that prevents children from opening can lock and unlock objects through the cooperation of the lock body 1 and the lock seat 2; the user can switch between the active state and the locked state by pushing the sliding block 31.
[0032] When the lock is unlocked, the locking cam 32 is in the locked state, and the locking cam 32 is locked, so that the user can lock the lock by pressing the lock cam 32.
[0033] The lock body 1 includes a locking block 11 and a movable block 12. Along the moving direction of the sliding block 31, the locking block 11 and the movable block 12 are arranged in a corresponding manner at intervals. The locking block 11 has a locking groove 111, and the movable block 12 has a movable groove 121. The layout of the locking block 11 and the movable block 12 facilitates the switching of the cantilever block between the locking groove 111 and the movable groove 121.
[0034] The moving block 32 has a moving groove 35 . The moving groove 35 is arranged to extend in a long strip shape and is arranged to extend obliquely in a direction away from the sliding block 31 . The other end of the arm driving column 33 is movably embedded in the moving groove 35 .
[0035] In this way, when the sliding block 31 receives the pushing force and moves, the arm driving column 33 is subjected to the force and moves relatively along the moving groove 35, thereby driving the moving block 32, so that the moving block 32 moves in the direction toward or away from the pressing module 4, realizing the switching between the active state and the locked state.
[0036] The lock body 1 includes two fixed blocks, which are arranged in a corresponding manner at intervals, and the movable block 32 is located between the two fixed blocks; under the action of the two fixed blocks, the movement of the movable block 32 is restricted and guided, so that the movable block 32 moves in a straight line direction, ensuring the switching between the active state and the locked state.
[0037] The fixed block plate includes a supporting block part and a fixed block part. The lower part of the fixed block part is docked with the supporting block part, and the upper part of the fixed block part is extended in the direction away from the supporting block part. The supporting block parts of the two fixed block plates are used to synchronously carry the moving block 32, and the fixed block parts of the two fixed block plates are used to position the moving block 32.
[0038] In this way, under the cooperation of the supporting block part and the fixed block part, the movement of the moving block 32 is guided and restricted, thereby avoiding deviation of the moving block 32 and improving the movement stability of the moving block 32.
[0039] The stopping block 11 has a stopping surface 112, which extends to the stopping groove 111. Along the direction away from the stopping groove 111, the stopping surface 112 is arranged to extend obliquely in the direction away from the cantilever member 34; the movable block 12 has a movable surface 122, which extends to the movable groove 121. Along the direction away from the movable groove 121, the movable surface 122 is arranged to extend obliquely in the direction away from the cantilever member 34; the stopping surface 112 and the movable surface 122 are arranged in a spaced-apart manner, and the stopping surface 112 and the movable surface 122 are respectively located between the stopping groove 111 and the movable groove 121.
[0040] In this way, when it is necessary to switch from the locked state to the active state, the pushing force causes the cantilever block to disengage from the locking groove 111, and under the action of the locking surface 112, it is convenient to move toward the movable block 12, and under the action of the movable surface 122, the pushing feeling will gradually increase until the cantilever block is embedded in the movable groove 121; when it is necessary to switch from the active state to the locked state, the pushing force causes the cantilever block to disengage from the movable groove 121, and under the action of the movable surface 122, it is convenient to move toward the locking block 11, and under the action of the locking surface 112, the pushing feeling will gradually increase until the cantilever block is embedded in the locking groove 111; in this way, the user has a stronger sense of gear when switching states, which improves the user's control experience and recognition sense.
[0041] The lock body 1 includes a lock shell, the lock shell includes a shell buckle part, the shell buckle part is arranged in the middle, the lock seat 2 includes a plurality of seat buckles 21, each seat buckle 21 is arranged correspondingly at circumferential intervals, the seat buckle 21 is used to pass through the shell buckle part, and the seat buckle 21 is used to be buckled or separated with the pressing module 4; the cooperation of each seat buckle 21 and the pressing module 4 realizes the locking and unlocking of objects.
[0042] The fixed block plate is arranged in conflict with the outer surface of the shell buckle part, and the fixed block plate is extended in the direction away from the shell buckle part; the centers of the two fixed block plates form a plate center, and the plate center and the center of the shell buckle part are arranged in a straight line corresponding to each other.
[0043] In this way, the arrangement of the moving block 32 tends to the middle, which helps to improve the overall weight balance of the lock and, at the same time, improves the movement stability of the moving block 32.
[0044] The end of the seat buckle 21 forms a seat surface, and the supporting block portion has a supporting block surface. The seat surface and the supporting block surface are arranged flush with each other, and the supporting block surface is extended in a direction away from the seat surface. The seat surface and the two supporting block surfaces are used to synchronously support the moving block 32.
[0045] Under the cooperation of the seat surface and the two bearing block surfaces, the supporting effect on the moving block 32 is improved, thereby improving the movement stability of the moving block 32.
[0046] The pressing module 4 includes two pressing parts, which are arranged at intervals and correspondingly, and the two pressing parts are used to receive pressing force respectively; the user unlocks the lock body 1 and the lock seat 2 by pressing the two pressing parts synchronously, which is simple, convenient and labor-saving to operate.
[0047] The pressing part includes a pressing body 41 and a pressing spring 43. The pressing body 41 has a pressing head 411. One end of the pressing spring 43 is fixedly arranged, and the other end of the pressing spring 43 is docked with the pressing body 41. The pressing spring 43 is used to drive the pressing head 411 to move toward the seat buckle 21 and prompt the pressing head 411 to be buckled with the seat buckle 21.
[0048] In this way, the pressing head 411 and the seat buckle 21 are fastened together by the elastic force applied by the pressing spring 43, and the force is applied more reliably and stably, thereby ensuring the locking effect of the lock.
[0049] The lock body 1 includes a spring-fixed part, which includes two spring-fixed plates 42. The two spring-fixed plates 42 are arranged in a corresponding manner at intervals, and the compression spring 43 is located between the two spring-fixed plates 42. Under the action of the two spring-fixed plates 42, the elastic deformation of the compression spring 43 is positioned and limited, ensuring the extension and contraction of the compression spring 43. At the same time, it plays a positioning role in the assembly of the compression spring 43, facilitating the assembly of the compression spring 43.
[0050] Furthermore, a spring plate buckle 421 is formed at the end of the spring fixing plate 42 . The spring plate buckle 421 penetrates the pressing body 41 , and the spring plate buckle 421 and the pressing body 41 are buckled and fixed.
[0051] In this way, the spring plate buckle 421 guides and restricts the pressing body 41. When unlocking, it ensures that the two pressing bodies 41 move in opposite directions, which facilitates the force applied to the pressing spring 43 and facilitates unlocking.
[0052] The cantilever member 34 includes a main arm block and a cantilever rod. The cantilever rod is arranged in a long strip shape and is suspended in the air. The inner end of the main arm block is docked with the sliding block 31, and the outer end of the main arm block is docked with the inner end of the cantilever rod, and the outer end of the cantilever rod forms a cantilever block; in this way, with the cooperation of the main arm block and the cantilever rod, the user has a stronger sense of gear when switching states, which improves the user's control experience and recognition sense.
[0053] The lock body 1 includes a lock frame 13 and a belt fixing plate 14. The lock frame 13 and the belt fixing plate 14 are used to clamp the lock belt part 5. The lock frame 13 has two frame grooves 131. The two ends of the belt fixing plate 14 have convex parts 141, and the convex parts 141 are arranged to convex outward. The two convex parts 141 are respectively embedded in the two frame grooves 131.
[0054] In this way, during assembly, the locking belt part 5 is placed on the locking frame 13, and the belt fixing plate 14 is inserted until the two convex parts 141 are respectively embedded in the two frame grooves 131. Through the cooperation between the convex parts 141 and the frame grooves 131, a locking limit is achieved and there is an obvious gear feeling when pushing in; and the locking belt part 5 adopts a clamping method to reduce the damage of the fixing parts to the locking belt part 5 and increase the service life of the locking belt part 5.
[0055] When the lock is installed, the lock base 2 is adhered to an object such as a cabinet door, and then the lock belt parts 5 are respectively assembled to the locks. Through the cooperation of the two locks, the opening of the object can be locked or unlocked.
[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A cantilever lock that prevents children from opening, characterized in that: The lock body comprises a locking mechanism, a locking seat and a sliding card structure, wherein the locking mechanism comprises a pressing module, the pressing module is locked with the locking seat, and the pressing module is unlocked with the lock seat by an external force; the sliding card structure comprises a sliding block, a moving block, an arm driving column and a cantilever member, the sliding block is movably assembled with the lock body, and the sliding block is used to receive a pushing force, one end of the arm driving column is docked with the cantilever member, and the other end of the arm driving column is movably embedded in the moving block, the arm driving column is used to drive the moving block to move in a direction toward or away from the pressing module, the inner end of the cantilever member is docked with the sliding block, the outer end of the cantilever member forms a cantilever block, the lock body has a locking groove and a movable groove, and the cantilever block is used to be embedded or separated with the locking groove or the movable groove.
2. The cantilever lock to prevent children from opening according to claim 1, characterized in that: The lock body includes a locking block and a movable block. Along the moving direction of the sliding block, the locking block and the movable block are arranged at intervals and in correspondence. The locking block has the locking groove, and the movable block has the movable groove. The movable block has a movable groove, which is extended in a long strip shape and is inclined to extend in a direction away from the sliding block. The other end of the arm drive column is movably embedded in the movable groove.
3. The cantilever lock to prevent children from opening according to claim 2, characterized in that: The lock body includes two fixed block plates, which are arranged in a corresponding manner at intervals, and the movable block is located between the two fixed block plates; the fixed block plate includes a supporting block part and a fixed block part, the lower part of the fixed block part is docked with the supporting block part, and the upper part of the fixed block part is extended in a direction away from the supporting block part, the supporting block parts of the two fixed block plates are used to synchronously carry the movable block, and the fixed block parts of the two fixed block plates are used to position the movable block.
4. The cantilever lock to prevent children from opening according to claim 2, characterized in that: The stopping block has a stopping surface, which extends to the stopping groove. Along the direction away from the stopping groove, the stopping surface is arranged to be obliquely extended in the direction away from the cantilever member; the movable block has a movable surface, which extends to the movable groove. Along the direction away from the movable groove, the movable surface is arranged to be obliquely extended in the direction away from the cantilever member; the stopping surface and the movable surface are arranged to be spaced apart and corresponding to each other, and the stopping surface and the movable surface are respectively located between the stopping groove and the movable groove.
5. The cantilever lock to prevent children from opening according to claim 3, characterized in that: The lock body includes a lock shell, the lock shell includes a shell buckle part, the shell buckle part is arranged in the middle, the lock seat includes a plurality of seat buckles, each of the seat buckles is arranged in a corresponding manner at circumferential intervals, the seat buckles are used to pass through the shell buckle part, and the seat buckles are used to be buckled or separated with the pressing module; the fixed block plate is arranged in contact with the outer surface of the shell buckle part, and the fixed block plate is extended in a direction away from the shell buckle part; the centers of the two fixed block plates form a plate center, and the plate center is arranged in a straight line corresponding to the center of the shell buckle part.
6. The cantilevered child-proof lock according to claim 5, wherein: The end of the seat buckle forms a seat surface, and the supporting block part has a supporting block surface. The seat surface and the supporting block surface are arranged flush with each other, and the supporting block surface is extended in a direction away from the seat surface. The seat surface and the two supporting block surfaces are used to synchronously support the moving block.
7. The cantilevered child-proof lock according to claim 5, wherein: The pressing module includes two pressing parts, which are arranged in a corresponding manner at intervals, and are respectively used to receive pressing force; the pressing part includes a pressing body and a pressing spring, the pressing body has a pressing head, one end of the pressing spring is fixedly arranged, and the other end of the pressing spring is docked with the pressing body, and the pressing spring is used to drive the pressing head to move toward the seat buckle and cause the pressing head and the seat buckle to be fastened.
8. The cantilevered child-proof lock according to claim 7, wherein: The lock body includes a spring-fixed part, which includes two spring-fixed plates. The two spring-fixed plates are arranged in a corresponding manner at intervals, and the pressing spring is located between the two spring-fixed plates; the ends of the spring-fixed plates form spring plate buckles, which penetrate the pressing body, and the spring plate buckles and the pressing body are buckled and fixed.
9. The cantilever lock according to any one of claims 1 to 8, characterized in that: The cantilever member includes a main arm block and a cantilever rod. The cantilever rod is arranged in a long strip shape and is suspended in the air. The inner end of the main arm block is docked with the sliding block, and the outer end of the main arm block is docked with the inner end of the cantilever rod. The outer end of the cantilever rod forms the cantilever block.
10. The cantilever lock according to any one of claims 1 to 8, characterized in that: The lock body includes a lock frame and a belt fixing plate, and the lock frame and the belt fixing plate are used to clamp the lock belt part. The lock frame has two frame grooves, and the two ends of the belt fixing plate are respectively convex, and the convex parts are arranged to convex outward, and the two convex parts are respectively embedded in the two frame grooves.
Citation Information
Patent Citations
Lock prevented from being opened by children
CN209509813U