A safety protection type door lock for preventing children from opening by mistake

Abstract

The utility model relates to door lock technical field especially relates to a safety protection type door lock of preventing child mistake to open, its technical scheme includes door lock body and sets up first handle on door lock body, still be equipped with the first lock panel of corresponding first handle on door lock body, still include the locking ring of fixed connection on first lock panel. The utility model discloses the cooperation of mistake -touching prevention mechanism and limiting mechanism etc. structure, the first spring makes locking plug insert locking ring, and positioning clamping block locks up the boss at the beginning, presses first circular board, and the sliding ring is driven through connecting rod and moves to make locking plug draw out and unlock, and the spring resets and relock after the hand is loose. Double operation promotes difficulty, prevents child from imitating single action mistake to open, and the resistance of spring compression is made through second spring, so that adult can easily press first circular board, and child can not make it completely compress because of weak hand strength, further increase first handle mistake to open.

Description

Technical Field

[0001] This utility model relates to the field of door lock technology, and in particular to a safety lock designed to prevent children from accidentally opening it. Background Technology

[0002] Currently, in some residential door locks, children aged 3-6 are naturally curious about their surroundings, and the movable parts of the door handles easily attract their attention. These children may imitate adults turning the handle to open the door, but they lack the awareness that "opening the door may be dangerous." Traditional door locks have relatively simple security structures, usually only requiring a simple rotation or pressing operation. Children can easily imitate adults' actions and accidentally open the lock, failing to effectively prevent young children from tampering with them out of curiosity, resulting in insufficient safety protection. Utility Model Content

[0003] The purpose of this invention is to address the problems of traditional door locks having simple structures, making them easy for children to imitate adults and accidentally open, and making it difficult to effectively prevent young children from playing with them, thus resulting in insufficient safety. This invention proposes a child-proof door lock.

[0004] The technical solution of this utility model is as follows: a safety door lock to prevent accidental opening by children, including a door lock body and a first handle disposed on the door lock body. The door lock body is also provided with a first lock panel corresponding to the first handle. It also includes: a locking ring fixedly connected to the first lock panel; a sliding ring movably sleeved on the first handle; the sliding ring is provided with an anti-accidental touch mechanism that is inserted into the locking ring for locking; and a limiting mechanism installed in the middle of the anti-accidental touch mechanism and the first handle, which opens the anti-accidental touch mechanism when pressed.

[0005] Optionally, the anti-accidental touch mechanism includes a protruding plate fixedly connected to the outer wall of the sliding ring, a locking block inserted into the locking ring fixedly connected to the middle of the protruding plate, and a plurality of first springs fixedly connected to the sliding ring, the ends of the first springs away from the sliding ring being fixedly connected to the outer wall of the first lock panel.

[0006] Optionally, the limiting mechanism includes a connecting rod fixedly connected to the sliding ring, with a first circular plate fixedly connected to the end of the connecting rod away from the sliding ring.

[0007] Optionally, the limiting mechanism further includes a second spring fixedly connected to the first circular plate, wherein a limiting block is fixedly connected to one end of the first circular plate facing the first handle, and the limiting block is sleeved with the second spring.

[0008] Optionally, the end of the second spring away from the first circular plate is fixedly connected to a second circular plate that abuts against the first handle.

[0009] Optionally, the outer wall of the locking ring is fixedly connected with a positioning block that holds the protruding plate.

[0010] Optionally, the door lock body is further provided with a second handle and a second lock panel corresponding to the first handle and the first lock panel, and both the first lock panel and the second lock panel are provided with lock holes.

[0011] In summary, this application includes at least one of the following beneficial technical effects:

[0012] This invention utilizes a combination of an anti-accidental touch mechanism and a limiting mechanism. Initially, the first spring causes the locking block to insert into the locking ring, and the positioning block locks the protruding plate. To open the door, the first circular plate must be pressed. The connecting rod drives the sliding ring to move against the spring force, causing the locking block to be pulled out and unlocked. After releasing the hand, the spring returns to its original position and locks again. This dual operation increases the difficulty, preventing children from accidentally opening the door by imitating a single action. Furthermore, the second spring, through the resistance of spring compression, allows adults to easily press the first circular plate, while children, due to their weaker hand strength, cannot fully compress it, further increasing the risk of accidental opening of the first handle. Attached Figure Description

[0013] Figure 1 This invention provides a structural schematic diagram of a child-proof safety lock.

[0014] Figure 2 for Figure 1 Partial structural diagram;

[0015] Figure 3 for Figure 2 A partial structural diagram.

[0016] Reference numerals in the attached drawings: 1. Door lock body; 11. First handle; 12. First lock panel; 13. Lock hole; 14. Second handle; 15. Second lock panel; 2. Sliding ring; 21. Protruding plate; 22. Locking block; 23. First spring; 24. Connecting rod; 25. First circular plate; 26. Second circular plate; 27. Second spring; 28. Limiting block; 3. Locking ring; 31. Positioning block. Detailed Implementation

[0017] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0018] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0019] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0023] like Figures 1 to 3As shown, this utility model proposes a child-proof safety door lock, including a door lock body 1 and a first handle 11 mounted on the door lock body 1. The first handle 11 is installed indoors and is only suitable for indoor use. The second handle 14 faces outwards and is used by outdoor personnel, such as returning residents or authorized visitors, to open the door lock body 1. The door lock body 1 also has a first lock panel 12 corresponding to the first handle 11. A locking ring 3 is fixedly connected to the first lock panel 12. When all family members are out, the locking ring 3 needs to be blocked to prevent the second handle 14 from being unable to be opened even with a key after the protrusion 21 is jammed. A positioning block 31 is fixedly connected to the outer wall of the locking ring 3 to jam the protrusion 21 and enhance the locking stability. A sliding ring 2 is movably mounted on the first handle 11.

[0024] Among them, such as Figures 1 to 3 As shown, the sliding ring 2 is equipped with an anti-accidental activation mechanism that locks into the locking ring 3. This mechanism includes a protruding plate 21 fixedly connected to the outer wall of the sliding ring 2. A locking block 22, which is inserted into the locking ring 3, is fixedly connected to the middle of the protruding plate 21. The locking block 22 is fixed in the middle of the protruding plate 21, locking when inserted into the locking ring 3 and unlocking when withdrawn. Multiple first springs 23 are fixedly connected to the sliding ring 2. The first springs 23 primarily use the elastic force of their elastic thrust to allow the sliding ring 2 to return to its original position on the first handle 11. The ends of the first springs 23 furthest from the sliding ring 2 are all fixedly connected to the outer wall of the first lock panel 12.

[0025] In addition, such as Figures 1 to 3 As shown, the anti-accidental touch mechanism and the first handle 11 are equipped with a limiting mechanism that opens the anti-accidental touch mechanism after being pressed. The limiting mechanism includes a connecting rod 24 fixedly connected to the sliding ring 2. The end of the connecting rod 24 away from the sliding ring 2 is fixedly connected to a first circular plate 25. The first circular plate 25 is pressed by an adult, and the sliding ring 2 is moved by the connecting rod 24. At the same time, a second spring 27 and a limiting block 28 are connected.

[0026] It is worth noting that, such as Figures 1 to 3As shown, the limiting mechanism also includes a second spring 27 fixedly connected to the first circular plate 25. The second spring 27 provides resistance through spring compression, allowing adults to press it easily, while children, due to their weaker hand strength, cannot fully compress it. A second circular plate 26 is fixedly connected to the end of the second spring 27 away from the first circular plate 25, abutting against the first handle 11. The second circular plate 26 is connected to the second spring 27 and initially abuts against the first handle 11. When the first circular plate 25 is pressed, it is pressed against by a limiting block 28. A limiting block 28 is fixedly connected to the end of the first circular plate 25 facing the first handle 11. The limiting block 28 is fixed to the end of the first circular plate 25 facing the first handle 11 and engages with the second spring 27, abutting against the second circular plate 26 when pressed. The limiting block 28 engages with the second spring 27.

[0027] Furthermore, such as Figure 1 As shown, the door lock body 1 is also provided with a second handle 14 and a second lock panel 15 corresponding to the first handle 11 and the first lock panel 12. The second handle 14 faces outwards for operation by outdoor personnel (such as residents or visitors) to open the door with a key. The second lock panel 15 is correspondingly arranged with the first lock panel 12 to protect the outdoor door lock structure, and it is provided with a keyhole 13. Both the first lock panel 12 and the second lock panel 15 are provided with keyholes 13, which are respectively located on the first lock panel 12 and the second lock panel 15, for inserting a key to open the door lock.

[0028] In this embodiment, when using the child-proof safety lock, in the initial state, the protruding plate 21 on the sliding ring 2 drives the locking block 22 to insert into the locking ring 3 through the elastic force of the first spring 23, and the positioning block 31 on the outer wall of the locking ring 3 locks the protruding plate 21, thus achieving basic locking. At this time, rotating the first handle 11 and the second handle 14 cannot drive the bolt to extend or retract.

[0029] When the door needs to be opened, an adult must press the first circular plate 25, causing it to move through the connecting rod 24, overcoming the elastic force of the first spring 23. Simultaneously, the second spring 27 is compressed, and the first circular plate 25, along with the limiting block 28, presses against the second circular plate 26, which in turn presses against the first handle 11. During this process, the locking block 22 is pulled out from the locking ring 3, releasing the lock. Then, rotating either the first handle 11 or the second handle 14 will drive the bolt to extend or retract, thus opening the door.

[0030] After the door is closed, the first handle 11 and the second handle 14 return to their original positions. Figure 1 When the state shown is reached, the first circular plate 25 is released. Under the elastic reset action of the first spring 23 and the second spring 27, the components of the sliding ring 2, the locking block 22, and the first circular plate 25 return to their initial positions and are relocked, thereby preventing children from accidentally touching the first handle 11 to open the door to the outside from indoors.

[0031] The preferred embodiments of this utility model described above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A child-proof safety lock, comprising a lock body (1) and a first handle (11) disposed on the lock body (1), wherein the lock body (1) is further provided with a first lock panel (12) corresponding to the first handle (11), characterized in that, Also includes: A locking ring (3) is fixedly connected to the first lock panel (12), and a sliding ring (2) is movably sleeved on the first handle (11). The sliding ring (2) is provided with an anti-accidental touch mechanism that is inserted into the locking ring (3) for locking. The limiting mechanism is installed in the middle of the anti-accidental touch mechanism and the first handle (11) to open the anti-accidental touch mechanism after pressing.

2. The child-proof safety lock according to claim 1, characterized in that, The anti-accidental touch mechanism includes a protruding plate (21) fixedly connected to the outer wall of the sliding ring (2). A locking plug (22) inserted into the locking ring (3) is fixedly connected to the middle of the protruding plate (21). A plurality of first springs (23) are fixedly connected to the sliding ring (2). The end of the first spring (23) away from the sliding ring (2) is fixedly connected to the outer wall of the first lock panel (12).

3. A child-proof safety lock according to claim 1, characterized in that, The limiting mechanism includes a connecting rod (24) fixedly connected to the sliding ring (2), and a first circular plate (25) is fixedly connected to one end of the connecting rod (24) away from the sliding ring (2).

4. A child-proof safety lock according to claim 3, characterized in that, The limiting mechanism also includes a second spring (27) fixedly connected to the first circular plate (25), and a limiting block (28) fixedly connected to one end of the first circular plate (25) facing the first handle (11), the limiting block (28) being sleeved with the second spring (27).

5. A child-proof safety lock according to claim 4, characterized in that, The second spring (27) is fixedly connected to a second circular plate (26) that abuts against the first handle (11) at the end away from the first circular plate (25).

6. A child-proof safety lock according to claim 2, characterized in that, The outer wall of the locking ring (3) is fixedly connected to a positioning block (31) that holds the protrusion (21).

7. A child-proof safety lock according to claim 1, characterized in that, The door lock body (1) is also provided with a second handle (14) and a second lock panel (15) corresponding to the first handle (11) and the first lock panel (12), and both the first lock panel (12) and the second lock panel (15) are provided with lock holes (13).

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