Novel lock cylinder cover structure

By installing a lifting mechanism inside the door lock panel, the problem of the protruding lock cylinder cover affecting visual integration is solved, achieving visual integration between the lock cylinder cover and the door lock panel, improving user experience and reducing costs.

CN223908004UActive Publication Date: 2026-02-13SHENZHEN FENDA SMART HOME CO LTD
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Patent Information

Application Number
CN202520378651.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-13
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing lock cylinder cover protrudes from the door lock panel, affecting visual integration and resulting in a poor user experience.

Method used

Design a lock cylinder cover with a lifting mechanism installed inside the door lock panel. The lifting mechanism allows the lock cylinder cover to be rotatably installed, achieving visual integration with the door lock panel. The key entry is also hidden through the cooperation of the lifting mechanism and the push-button buckle.

Benefits of technology

It achieves visual integration between the lock cylinder cover and the door lock panel, hides the key entry, enhances user experience, is easy to operate, low in cost, and has a wide range of applications.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223908004U_ABST
    Figure CN223908004U_ABST
Patent Text Reader

Abstract

The utility model is suitable for the technical field of door lock structures, provides a novel lock cylinder cover structure, and realizes visual integration of a lock cylinder cover and a door lock panel and hiding of a key inlet of a lock cylinder on the premise of guaranteeing protection of the key inlet of the lock cylinder. The novel lock cylinder cover structure mainly comprises a lock cylinder cover, a lifting mechanism and a door lock panel body. A lifting mechanism is mounted in a lock cylinder mounting groove of the door lock panel main body; the lock cylinder cover is rotatably mounted on the surface of the lifting mechanism, the lifting mechanism at least can ascend and descend to a first target fixing position, the first target fixing position can enable the lock cylinder cover to just cover the lock cylinder mounting groove when the lock cylinder cover is in a closed position state, and the upper surface of the lock cylinder cover is flush with the surface of the door lock panel body; and the lock cylinder cover is limited by the side wall of the lock cylinder mounting groove to be in a non-rotating state.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to door lock structure technical field especially relates to a new lock cylinder cover structure. BACKGROUND

[0002] The lock cylinder is the key component of the door lock, mainly to identify the identity of the mechanical key inserted into the key inlet of the lock cylinder, and to execute the opening and closing of the lock bolt after verifying the identity of the mechanical key. Therefore, it is important to protect the key inlet of the lock cylinder by setting a lock cylinder cover to prevent dust, rain and other external substances from entering the lock cylinder through the key inlet.

[0003] However, the lock cylinder cover provided for the key inlet of the door lock lock cylinder in the prior art often protrudes from the door lock panel where the lock cylinder is installed, so that the lock cylinder cover cannot be visually integrated with the door lock panel, and the user experience is not good enough. INVENTION CONTENTS

[0004] The utility model provides a new lock cylinder cover structure, which realizes the visual integration of the lock cylinder cover and the door lock panel and hides the key inlet of the lock cylinder under the premise of protecting the key inlet of the lock cylinder.

[0005] The utility model provides a new lock cylinder cover structure, which comprises a lock cylinder cover and a lifting mechanism.

[0006] The lifting mechanism is installed in the lock cylinder installation slot of the door lock panel body.

[0007] The lock cylinder cover is rotatably installed on the surface of the lifting mechanism. The lifting mechanism can be lifted to at least a first target fixed position. The first target fixed position can make the lock cylinder cover cover the lock cylinder installation slot when the lock cylinder cover is in a closed position state, and the upper surface of the lock cylinder cover is flush with the surface of the door lock panel body. The lock cylinder cover is in a non-rotatable state limited by the side wall of the lock cylinder installation slot.

[0008] Optionally, the lifting mechanism can also be lifted to a second target fixed position. The second target fixed position makes the lock cylinder cover in a rotatable state by being separated from the side wall limitation of the lock cylinder installation slot.

[0009] Optionally, the lifting mechanism comprises a lifting frame and a press-type buckle.

[0010] The bottom surface of the lock cylinder installation slot is provided with the press-type buckle.

[0011] The back surface of the lifting frame is provided with a male structure adaptedly connected with the press-type buckle.

[0012] When the lifting frame is in the first target fixed position, the male head structure is adapted to the press buckle to achieve fixed connection;

[0013] When the lifting frame is in the second target fixed position, the press buckle is disconnected from the male head structure, and the press buckle can push the lifting frame away from the lock core mounting groove by a preset distance when the press buckle is popped out.

[0014] Optionally, the preset distance is greater than the thickness of the lock core cover.

[0015] Optionally, the lifting frame is further provided with a slip stop structure for preventing the lifting frame from being separated from the lock core mounting groove.

[0016] Optionally, the slip stop structure is a detachable screw.

[0017] Optionally, the lifting frame is provided with a sliding column, and the bottom surface of the lock core mounting groove has a through hole matched with the sliding column, so that the sliding column can be matched with the through hole to achieve sliding in the lock core mounting groove by at least the preset distance.

[0018] Optionally, the upper surface of the lock core cover has the same material color as the surface material color of the door lock panel body.

[0019] Optionally, a fastener is sleeved with a compression spring and then penetrates the through hole of the lifting frame to achieve fixed connection with the lock core cover, so that the lock core cover and the lifting frame are rotatably connected with a preset pressure, wherein one end of the compression spring abuts against the bottom end of the cap head of the fastener, and the other end of the compression spring abuts against the bottom end of the lifting frame.

[0020] Optionally, the front surface of the lifting frame is further provided with a first positioning protruding structure or a first positioning recessed structure.

[0021] The first positioning protruding structure is used to match and limit the second positioning recessed structure on the lock core cover, so that the relative position between the lock core cover and the lifting frame is fixed when the lock core cover is in the closed position state.

[0022] The first positioning recessed structure is used to match and connect the second positioning protruding structure on the lock core cover, so that the relative position between the lock core cover and the lifting frame is fixed when the lock core cover is in the closed position state.

[0023] The above technical solution can be seen that the embodiment has the following advantages:

[0024] The novel lock core cover structure of the application comprises a lock core cover and a lifting mechanism; the lifting mechanism is installed in a lock core installation slot of a door lock panel main body; the lock core cover is rotatably installed on the surface of the lifting mechanism; the lifting mechanism can be lifted to at least a first target fixed position; when the lock core cover is in a closed position state, the first target fixed position can just cover the lock core installation slot, and the upper surface of the lock core cover is flush with the surface of the door lock panel main body; the lock core cover is in a non-rotatable state limited by the side wall of the lock core installation slot. It can be known that the lock core cover realizes protection of the key inlet of the lock core, and the lock core cover and the door lock panel are visually integrated and the key inlet of the lock core is hidden. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is an effect diagram of the novel lock core cover structure of the application and a door lock main body installed in a door lock;

[0026] Figure 2 is an exploded view of the novel lock core cover structure of the application;

[0027] Figure 3 is a front view of the novel lock core cover structure of the application;

[0028] Figure 4 is a sectional view of the lock core cover structure shown in Figure 3 along A-A;

[0029] Figure 5 is a sectional view of the lock core cover structure shown in Figure 3 along B-B. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is further described in detail below by combining with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0031] Please refer to Figure 1 , the effect of the novel lock core cover structure of the application and the door lock main body installed in the door lock is shown in the figure, the lock core cover 110 of the novel lock core cover structure 100 does not protrude from the door lock panel 200 in which the lock core is installed; under the premise that the lock core cover 110 protects the key inlet of the lock core, the lock core cover 110 and the door lock panel 200 are visually integrated, and the key inlet of the lock core is hidden. In order to achieve the above effect, please combine Figure 2 , Figure 3 , Figure 4 and Figure 5The novel lock core cover structure 100 of the application comprises: a lock core cover 110, a lifting mechanism 120; wherein the lifting mechanism 120 is installed in a lock core installation groove 210 of a door lock panel body 200; the lock core cover 110 is rotatably installed on the surface of the lifting mechanism 120, and the lifting mechanism 120 can be lifted to at least a first target fixed position (the lock core cover 110 is in a closed position), so that the lock core cover 110 is just covered on the lock core installation groove 210 when the lock core cover 110 is in a closed position state, and the upper surface 111 of the lock core cover 110 is flush with the surface 211 of the door lock panel body 200; at this time, the rotation freedom of the lock core cover 110 is limited by the side wall of the lock core installation groove 210, so that the lock core cover 110 is in a non-rotatable state.

[0032] Further, the lifting mechanism 120 of the novel lock core cover structure 100 of the application can also be lifted to a second target fixed position (the lock core cover 110 is in an openable position), so that the lock core cover 110 is in a rotatable state when it is out of the limitation of the side wall of the lock core installation groove 210.

[0033] Specifically, the lifting mechanism 120 of the novel lock core cover structure 100 of the application comprises: a lifting frame 121, a press buckle 122; wherein the bottom surface of the lock core installation groove 210 is provided with the press buckle 122, and the press buckle 122 is directed to the opening of the lock core installation groove 210 when pressed; the back surface of the lifting frame 121 is provided with a male structure 1211 which is adaptively connected with the press buckle 122; when the lifting frame 121 is in the first target fixed position, the male structure 1211 is just adaptively connected with the press buckle 122 to realize fixed connection; when the lifting frame 121 is in the second target fixed position, the press buckle 122 is disconnected with the male structure 1211, and the press buckle 122 can push the lifting frame 121 away from the lock core installation groove 210 to a preset distance when the press buckle 122 is buckled out. The preset distance should be greater than the thickness of the lock core cover, so as to realize the misalignment of the lock core cover 110 and the door lock panel 200 and the rotation of the lock core cover 110.

[0034] Further, the lifting frame 121 of the novel lock core cover structure 100 of the application is also provided with a slip stop structure 123, which is used to prevent the lifting frame 121 from being separated from the lock core installation groove 210, so as to ensure that the lifting frame 121 only slides in the lock core installation groove 210 by the preset distance or more. Specifically, the slip stop structure 123 of the embodiment is a detachable screw.

[0035] Further, the lifting frame 121 of the novel lock core cover structure 100 of the application is provided with a sliding column 124, which can be one or more, such as Figure 2The bottom surface of the lock core mounting groove 210 is provided with a through hole corresponding in number and shape to the sliding column 124, so that the sliding column 124 can be adapted to the through hole to realize sliding in the lock core mounting groove 210 by at least a preset distance, and the anti-skid structure 123 is mounted at one end of one or more sliding columns 124.

[0036] Further, the upper surface 111 of the lock core cover 110 of the novel lock core cover structure 100 is consistent in material color with the surface material color of the door lock panel body 210. In the embodiment, the lock core cover 110 is fixedly connected with the lifting frame 121 by penetrating the through hole 1212 of the lifting frame 121 with the fastener (for example, the screw 130) after sleeving the compression spring 140, and is fixedly connected with the connecting column 112 of the lock core cover 110, so that the lock core cover 110 and the lifting frame 121 are rotatably connected with a preset pressure, wherein one end of the compression spring 140 abuts against the bottom end of the cap head of the fastener (for example, the right end of the screw 130), and the other end of the compression spring 140 abuts against the bottom end of the lifting frame 121 (for example, the left end of the lifting frame 121). Figure 2 Figure 2

[0037] Further, the front surface of the lifting frame 121 of the novel lock core cover structure 100 is further provided with a first positioning protruding structure (for example, the protrusion 125) or a first positioning recess structure; the first positioning protruding structure is used for matching and limiting with the second positioning recess structure (for example, the recess 113) on the lock core cover 110, so that the relative position between the lock core cover 110 and the lifting frame 121 is fixed when the lock core cover 110 is in the closed position state; and the first positioning recess structure is used for matching and clamping with the second positioning protruding structure on the lock core cover, so that the relative position between the lock core cover and the lifting frame is fixed when the lock core cover is in the closed position state. Figure 2 Figure 2

[0038] The novel lock core cover structure has the advantages of simple installation, low cost, strong practicability and operability, wide application scenarios, and the user only needs to lightly touch and press the lock core cover, and the lock core cover can automatically pop up the lifting frame by transmitting the pressure to the lifting frame, so that the male structure on the lifting frame is loosened from the press-type buckle, the user can rotate the lock core cover to see the key inlet of the lock core, and the operation is simple and convenient, thereby increasing the good experience of the user.

[0039] The above merely describes the preferred embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement or improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.​​​​

Claims

1. A novel lock cylinder cover structure, characterized by, The application relates to a lock core cover and a lifting mechanism. The lifting mechanism is installed in a lock core installation groove of a door lock panel body. The lock core cover is rotatably installed on the surface of the lifting mechanism. The lifting mechanism can be lifted to a first target fixed position.

2. The new key cover structure according to claim 1, characterized in that, The first target fixed position can make the lock core cover cover the lock core installation groove when the lock core cover is in a closed position state.

3. The new key cover structure according to claim 2, characterized in that, The upper surface of the lock core cover is flush with the surface of the door lock panel body. The lock core cover is limited by the side wall of the lock core installation groove and cannot be rotated. The lifting mechanism can also be lifted to a second target fixed position. The second target fixed position makes the lock core cover be able to rotate when the lock core cover is separated from the side wall limitation of the lock core installation groove. The lifting mechanism comprises a lifting frame and a press-type buckle.

4. The new key cover structure according to claim 3, characterized in that, The bottom surface of the lock core installation groove is provided with the press-type buckle.

5. The new key cover structure according to claim 3, characterized in that, The back surface of the lifting frame is provided with a male structure matched with the press-type buckle.

6. The new key cover structure according to claim 5, characterized in that, When the lifting frame is in the first target fixed position, the male structure is matched with the press-type buckle to realize fixed connection.

7. The new key cover structure according to any one of claims 3 to 5, characterized in that, When the lifting frame is in the second target fixed position, the press-type buckle is disconnected from the male structure.

8. The new key cover structure according to claim 1, wherein, When the buckle is popped out, the press-type buckle can push the lifting frame away from the lock core installation groove to a preset distance.

9. The new key cover structure according to claim 3, characterized in that, The preset distance is greater than the thickness of the lock core cover.

10. The new key cover structure according to claim 9, wherein, The lifting frame is also provided with a slip stop structure for stopping the lifting frame from separating from the lock core installation groove. The slip stop structure is a detachable screw. The lifting frame is provided with a sliding column. The bottom surface of the lock core installation groove is provided with a through hole matched with the sliding column. The upper surface of the lock core cover has the same material and color as the surface of the door lock panel body. A compression spring is sleeved on a fastener and penetrates the through hole of the lifting frame to realize fixed connection with the lock core cover. The lock core cover and the lifting frame are rotatably connected with a preset pressure. One end of the compression spring abuts against the bottom end of the cap head of the fastener. The other end of the compression spring abuts against the bottom end of the lifting frame. The front surface of the lifting frame is also provided with a first positioning convex structure or a first positioning concave structure. The first positioning convex structure is matched with a second positioning concave structure on the lock core cover to limit the relative position of the lock core cover and the lifting frame. The first positioning concave structure is matched with a second positioning convex structure on the lock core cover to limit the relative position of the lock core cover and the lifting frame.