Door lock
By designing a door lock that uses sprockets and chains, combined with the operation of the pedal, the problem of difficulty in operating when holding objects with both hands is solved, the function of pedaling the door is realized, and the practicality of the door lock is improved.
Patent Information
- Application Number
- CN202421693958.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-07-17
AI Technical Summary
Traditional door locks are difficult to open when holding objects with both hands, which has the problem of operation difficulties.
A door lock is designed, using a mechanical structure of sprockets and chains, combined with the operation of the pedal to realize the function of opening the door. The door lock includes a door lock shaft, driven sprocket, driven sprocket and chain rotatably connected to the door. The chain is equipped with a chain plate and a pedal, and the pedal is moved up and down through a limiting hole and a guide column.
Even if you hold objects with both hands, you can easily open the door by stepping on the pedal. The overall function is complete and practical.
Smart Images
Figure CN223034720U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of furniture, and more specifically, it relates to a door lock. Background Art
[0002] Traditional door locks are embedded in the door at a certain height from the ground and are opened and closed by hand manipulation. If you hold objects in both hands, it is difficult to open the door. Accordingly, the present utility model provides a door lock. Content of the Utility Model
[0003] The purpose of the present utility model is to overcome the deficiencies in the above-mentioned prior art and provide a door lock.
[0004] To solve the above technical problems, the purpose of the present utility model is achieved as follows: A door lock according to the present utility model includes a door lock shaft rotatably connected to the door. A door lock handle for controlling rotation is provided on the door lock shaft. A driven sprocket for linkage is provided on the door lock shaft. A driving sprocket rotatably connected to the door is provided directly below the driven sprocket. A chain is drivingly connected between the driving sprocket and the driven sprocket. A chain plate near the bottom of the door is provided on the chain. A pedal is provided on the chain plate.
[0005] The present utility model is further provided as: It further includes a housing provided on the door and enclosing the driven sprocket, the driving sprocket and the chain therein. A limiting hole extending vertically is opened on the side surface of the housing. The pedal extends out of the limiting hole and moves up and down.
[0006] The present utility model is further provided as: A guiding column extending vertically is provided on the door. The pedal is slidably connected to the guiding column.
[0007] The present utility model is further provided as: The guiding column is provided inside the housing.
[0008] The present utility model is further provided as: A cushion block is provided on the pedal.
[0009] In summary, the present utility model has the following beneficial effects: The door lock according to the present utility model can be opened by stepping on it. Even if you hold objects in both hands, you can easily open the door. The overall function is perfect and the practicability is strong. Description of the Drawings
[0010] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0011] Figure 2 It is a schematic diagram of a partial structure of the present utility model. Detailed Embodiment
[0012] To enable those skilled in the art to better understand the technical solution of the present utility model, the following describes the preferred implementation schemes of the present utility model in combination with specific embodiments. However, it should be understood that these descriptions are only for further explaining the features and advantages of the present utility model, rather than limiting the patent requirements of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0013] The present utility model will be further described below in conjunction with the accompanying drawings and preferred embodiments.
[0014] Embodiment 1
[0015] Refer to Figure 1 and Figure 2 As shown, a door lock involved in this embodiment includes a door lock shaft 2 rotatably connected to a door 1. A door lock handle (not shown) for controlling rotation is provided on the door lock shaft 2. A driven sprocket 3 for linkage is provided on the door lock shaft 2. A driving sprocket 4 rotatably connected to the door 1 is provided directly below the driven sprocket 3. A chain 5 is drivingly connected between the driving sprocket 4 and the driven sprocket 3. A chain plate 6 is provided on the chain 5 near the bottom of the door 1, and a pedal 7 is provided on the chain plate 6.
[0016] Furthermore, it further includes a housing 8 provided on the door 1 and enclosing the driven sprocket, the driving sprocket and the chain therein. A limiting hole 9 extending vertically is provided on the side surface of the housing 8. The pedal 7 extends out of the limiting hole 9 and moves up and down.
[0017] In this implementation scheme, first, the lock tongue of the door lock is in the extended state. By stepping on the pedal 7, the pedal 7 moves downward. The pedal 7 drives the chain plate 6 and the chain 5 thereon to transmit power. Only the driving sprocket 4 and the driven sprocket 3 rotate, and together drive the door lock shaft 2 to rotate, so that the mechanism inside the door lock is driven, and then the extended lock tongue retracts into the door lock, thereby realizing the function of controlling the door lock by stepping on it.
[0018] Among them, through the setting of the housing 8, it is used to cover the corresponding components.
[0019] Among them, through the setting of the limiting hole 9, it is used to limit the up and down movement of the pedal 7 when it moves.
[0020] Among them, the door lock internally has a mechanism for resetting the door lock shaft 2, which belongs to the prior art.
[0021] Embodiment 2
[0022] Refer to Figure 1 and Figure 2As shown, a door lock involved in this embodiment is further configured, on the basis of Embodiment 1, such that a guiding column 10 extending vertically is provided on the door 1, and the pedal 7 is slidably connected to the guiding column 10; the guiding column 10 is provided inside the housing 8.
[0023] In this embodiment, through the provision of the guiding column 10, the pedal 7 is slidably connected to the guiding column 10 to serve as a guide when the pedal 7 slides up and down.
[0024] Embodiment 3
[0025] See Figure 1 and Figure 2 As shown, a door lock involved in this embodiment is further configured, on the basis of Embodiments 1 and 2, such that a cushion block 11 is provided on the pedal 7.
[0026] In this embodiment, through the provision of the cushion block 11, it is used as a gasket.
[0027] The door lock involved in the present utility model can be opened by stepping on it. Even when holding objects with both hands, it is convenient to open the door. The overall function is perfect and the practicability is strong.
[0028] Unless otherwise clearly specified and defined, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated is based on the actual orientation or positional relationship shown. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present utility model are only used for exemplary illustration and cannot be understood as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood in combination with the embodiments and according to the specific circumstances.
[0029] Unless otherwise clearly specified and defined, in the present utility model, if there are terms such as "set", "connected" and "connected", they 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 direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.
[0030] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art in this technical field based on the concept of the present utility model through logical analysis, reasoning, or limited experiments on the basis of the prior art shall fall within the protection scope determined by the claims.
Claims
1. A door lock, comprising a door lock shaft rotatably connected to a door, a door lock handle for controlling rotation being provided on the door lock shaft, characterized in that: The door lock shaft is provided with a driven sprocket for linkage, and a driving sprocket rotatably connected to the door is provided just below the driven sprocket. A chain is transmission-connected between the driving sprocket and the driven sprocket, and a chain plate close to the bottom of the door is provided on the chain, and a pedal is provided on the chain plate.
2. The door lock according to claim 1, characterized in that: It also includes a cover shell which is arranged on the door and encloses the driven sprocket, the driving sprocket and the chain. A limit hole extending up and down is opened on the side of the cover shell. The pedal extends out of the limit hole and moves up and down.
3. The door lock according to claim 2, characterized in that: The door is provided with a guide column extending up and down, and the pedal is slidably connected to the guide column.
4. The door lock according to claim 3, characterized in that: The guide column is arranged inside the cover shell.
5. The door lock according to any one of claims 1 to 4, characterized in that: A cushion block is arranged on the pedal.