A selectively self-locking lock
By designing a lock with selective automatic locking, using a combination of lever and spring, users can independently control the locking state of the lock head and hook, solving the problem of existing locks automatically locking when not needed, and realizing flexible locking control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 杭州子实电子科技有限公司
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-07
AI Technical Summary
Existing automatic locking locks automatically lock when the user does not need to lock, which causes inconvenience to the user, as they cannot independently decide whether the lock automatically locks when the lid is closed.
A lock with selective automatic locking was designed. By setting a combination of lever, push rod and spring, the user can unlock the lock by moving the lever with a key, and control the locking state of the lock head and lock hook by whether the lid and the body are in contact or not, so as to realize the user's choice of automatic locking or unlocking.
Users can decide whether the lid will automatically lock when closed, satisfying the need for automatic locking when necessary and avoiding automatic locking when not necessary, thus improving the flexibility and convenience of use.
Smart Images
Figure CN224468932U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of lock technology, specifically a lock that can selectively lock automatically. Background Technology
[0002] Locks are common items in daily life. With the advancement of technology, traditional mechanical locks are no longer the only ones used in practical applications. New designs have emerged for various scenarios. Taking a flip-top suitcase as an example, to prevent users from forgetting to lock it after closing the lid, engineers have designed locks that can automatically lock. The main principle is that after the lid is closed, the spring, which was compressed when unlocking, relaxes and pushes out the locking block, thus locking the locking block and the locking hook again. While this solves the problem of users forgetting to lock, automatic locking can be inconvenient when users only need to keep the lid closed and do not need to lock it. For example, if a user is interrupted by something after unlocking the suitcase and needs to leave briefly, they only need to close the lid. If the lock automatically locks, they will have to unlock it again when they return. Based on this situation, how to enable users to decide whether the lock automatically locks when the lid is closed has become an increasingly urgent problem for relevant engineers to solve. Summary of the Invention
[0003] To solve the above-mentioned technical problems, this utility model provides a lock that can be selectively and automatically locked.
[0004] A selectively automatically locking lock includes an outer lock, a fixed plate above the outer lock, and a lock hook fixedly mounted on the lower part of the fixed plate. The lock is characterized by: an inner lock fixedly mounted inside the outer lock; a lock head slidably mounted on the upper inner side of the inner lock, the lock head corresponding to the position of the lock hook; an outlet penetrating through the left side of the inner lock; a first transverse hole penetrating through the rear side of the inner lock, the outlet and the first transverse hole corresponding to the position of the lock head; a first spring horizontally fixedly mounted between the lock head and the inner lock on the side of the lock head away from the outlet; a fixed base fixedly mounted inside the outer lock and below the inner lock; a lever rotatably mounted on the lower part of the fixed base; and the lower part of the lock head passing through the first transverse hole and rotatably connected to the lever.
[0005] Furthermore, a baffle is fixedly installed inside the outer lock and above the fixing base. An inclined surface is provided on the upper part of the baffle near the lever. When the lock head is locked with the lock hook, the lever is in contact with the inclined surface of the baffle.
[0006] Furthermore, a central groove is fixedly provided inside the outer lock. The central groove is located to the left of the inner lock and below the lock hook. A push rod is provided inside the central groove. A second spring is vertically fixed between the lower part of the push rod and the central groove. The upper part of the push rod passes through the central groove.
[0007] Furthermore, a limiting groove is provided on the side of the middle groove away from the inner lock, and a limiting plate is fixedly provided on the side of the push rod away from the inner lock, with the limiting plate slidably inserted into the limiting groove.
[0008] Furthermore, a second horizontal hole is provided through the lower part of the external lock, and the lower end of the lever passes through the second horizontal hole.
[0009] The beneficial effects of this utility model of a selectively automatically locking lock are as follows:
[0010] 1. Users can unlock the lock by simply using the key to move the lever to separate the lock head from the lock hook. When the lid needs to be closed and automatically locked, simply close the lid and press it against the box body, and the lock head will automatically lock with the lock hook. The first spring provides a good structural foundation for this and well meets the usage requirements of "closing the lid and automatically locking".
[0011] 2. When the user needs the lid to be closed but not locked, simply close the lid but not tightly against the box body. The second spring will push the lock hook, the fixing plate and the lid on which they are located as a whole through the push rod. At this time, even if the first spring pushes out the lock head, the lock head will not lock with the lock hook, which well meets the user needs of "closing the lid but not locking".
[0012] In summary, this effectively meets the user's need to "allow users to decide whether the lock automatically locks when the lid is closed". Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below, but this is not a limitation on the protection scope of this utility model.
[0014] Figure 1 This is a front structural diagram of the present invention;
[0015] Figure 2 This is a front structural diagram of the present invention (including the interior of the inner lock).
[0016] Figure 3 This is a partial front view of the present invention (I).
[0017] Figure 4 This is a partial front view of the present invention (II).
[0018] Figure 5 This is a schematic diagram of the rear structure of this utility model.
[0019] Among them, 1-external lock, 2-middle groove, 3-inner lock, 4-fixed plate, 5-first spring, 6-lock head, 7-second spring, 8-second horizontal hole, 9-fixed seat, 10-baffle, 11-push rod, 12-lever rod, 13-lock hook, 14-limiting plate, 15-limiting groove. Detailed Implementation
[0020] To make the description clearer, the present invention provides a further description of a lock with selective automatic locking, in conjunction with the accompanying drawings.
[0021] A selectively automatically locking lock includes an outer lock 1, a fixing plate 4 above the outer lock 1, and a lock hook 13 fixedly mounted on the lower part of the fixing plate 4. The lock is characterized in that: an inner lock 3 is fixedly mounted inside the outer lock 1; a lock head 6 is slidably mounted on the upper inner side of the inner lock 3; the lock head 6 corresponds to the position of the lock hook 13; an outlet is provided through the left side of the inner lock 3; a first horizontal hole is provided through the rear side of the inner lock 3; both the outlet and the first horizontal hole correspond to the position of the lock head 6; a first spring 5 is horizontally fixed between the lock head 6 and the inner lock 3 on the side of the lock head 6 away from the outlet; a fixing seat 9 is fixedly mounted inside the outer lock 1 and below the inner lock 3; a lever 12 is rotatably mounted on the lower part of the fixing seat 9; and the lower part of the lock head 6 passes through the first horizontal hole and is rotatably connected to the lever 12.
[0022] Furthermore, a baffle 10 is fixedly installed inside the outer lock 1 and above the fixed base 9. An inclined surface is provided on the upper part of the baffle 10 near the lever 12. When the lock head 6 is locked with the lock hook 13, the lever 12 is in contact with the inclined surface of the baffle 10.
[0023] Furthermore, a central groove 2 is fixedly provided inside the outer lock 1. The central groove 2 is located to the left of the inner lock 3 and below the lock hook 13. A push rod 11 is provided inside the central groove 2. A second spring 7 is vertically fixed between the lower part of the push rod 11 and the central groove 2. The upper part of the push rod 11 passes through the central groove 2.
[0024] Furthermore, a limiting groove 15 is provided on the side of the middle groove 2 away from the inner lock 3, and a limiting plate 14 is fixedly provided on the side of the push rod 11 away from the inner lock 3. The limiting plate 14 is slidably inserted into the limiting groove 15.
[0025] Furthermore, a second horizontal hole 8 is provided through the lower part of the outer lock 1, and the lower end of the lever 12 passes through the second horizontal hole 8.
[0026] The working principle of this utility model's selectively automatic locking lock is as follows: A fixed plate 4 is fixedly installed at the center of the front part of the lid, and an outer lock 1 is fixedly installed at the center of the front part of the box body. When the lid is closed, the lock head 6 is inserted into the lock hook 13, locking the two together. The user uses a key to turn the lever 12 clockwise to separate the lock head 6 from the lock hook 13, thus unlocking the box. At this time, the first spring 5 is in a compressed state. After opening the lid, the first spring 5 returns to a relaxed state. To close the lid and automatically lock it, the lid is closed again and pressed tightly against the box body. During this process, the lock hook 13 presses down on the lock head 6, causing the lock head 6 to retract, compressing the first spring 5. When the lock head 6 and... When the locking position of the hook 13 is aligned, the first spring 5 returns to the relaxed state, the lock head 6 pops out and automatically locks with the hook 13. When the lid needs to be closed but not locked, the lid is closed but not tightly against the box body. At this time, the second spring 7 pushes the upper end of the push rod 11 out of the central groove 2. The sliding limit of the limiting groove 15 on the limiting plate 14 keeps the upward movement of the push rod 11 stable. The push rod 11 lifts the hook 13, the fixing plate 4 and the lid as a whole. At this time, the lid is in the closed state. Even if the first spring 5 pushes out the lock head 6, the lock head 6 will not lock with the hook 13. This satisfies the user's need to "allow the user to decide whether the lock automatically locks when the lid is closed".
[0027] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.
Claims
1. A lock with selective automatic locking, comprising an outer lock, a fixing plate disposed above the outer lock, and a lock hook fixedly disposed below the fixing plate, characterized in that: An inner lock is fixedly installed inside the outer lock. A lock head is slidably installed on the upper inner side of the inner lock. The position of the lock head corresponds to that of the lock hook. An outlet is provided through the left side of the inner lock. A first horizontal hole is provided through the rear side of the inner lock. The outlet and the first horizontal hole are both corresponding to the position of the lock head. A first spring is horizontally fixed between the lock head and the inner lock on the side away from the outlet. A fixed base is fixedly installed inside the outer lock and below the inner lock. A lever is rotatably installed on the lower part of the fixed base. The lower part of the lock head passes through the first horizontal hole and is rotatably connected to the lever.
2. The lock with selective automatic locking according to claim 1, characterized in that, A baffle is fixedly installed inside the outer lock and above the fixing base. An inclined surface is provided on the upper part of the baffle near the lever. When the lock head is locked with the lock hook, the lever is in contact with the inclined surface of the baffle.
3. The lock with selective automatic locking according to claim 1, characterized in that, The outer lock has a fixed central groove inside, which is located to the left of the inner lock and below the lock hook. A push rod is installed inside the central groove, and a second spring is fixed vertically between the lower part of the push rod and the central groove. The upper part of the push rod passes through the central groove.
4. A lock with selective automatic locking according to claim 3, characterized in that, A limiting groove is provided on the side of the middle groove away from the inner lock, and a limiting plate is fixedly provided on the side of the push rod away from the inner lock. The limiting plate is slidably inserted into the limiting groove.
5. A lock with selective automatic locking according to claim 1, characterized in that, The lower part of the external lock is provided with a second horizontal hole, and the lower end of the lever is provided with a second horizontal hole.