Lock cylinder cover waterproof structure and intelligent door lock thereof
By combining a sealing ring and a compression spring on the lock cylinder cover, the problem of the lack of a waterproof structure in the lock cylinder cover is solved, achieving a waterproof effect, ensuring the normal use of the smart door lock, and reducing costs.
Patent Information
- Application Number
- CN202520368242.X
- 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
Existing smart locks lack a waterproof structure for the lock cylinder cover, which allows water or salt spray to easily enter the lock cylinder, causing product malfunctions.
A combination of a sealing ring and a compression spring is installed on the lock cylinder cover. The sealing ring abuts against the inner wall of the mounting groove to form a sealed and waterproof structure, while the compression spring provides stress to tighten the lock cylinder cover, preventing water or salt spray from entering the lock body.
It effectively prevents water or salt spray from entering the lock body, ensuring the normal use of the smart lock, and has a simple structure and low cost.
Smart Images
Figure CN223908003U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to intelligent lock technical field especially, it is related to a lock cylinder cover waterproof structure and intelligent door lock. BACKGROUND
[0002] With the progress of science and technology, people's demand for intelligentization is increasing, which has derived some series of smart home products to assist people to live more conveniently. As an important part of modern home security, intelligent door lock not only provides a convenient use mode, such as fingerprint unlocking, face unlocking, etc., but also brings high-end intelligent experience and thoughtful security function, such as visual doorbell and door lock alarm, etc.
[0003] The lock cylinder of intelligent door lock is generally configured with a lock cylinder cover for installation protection, but the existing intelligent door lock is usually not provided with a waterproof structure at the lock cylinder cover for cost control, and water or salt mist can easily enter the whole machine from the lock cylinder cover, causing product failure.
[0004] Therefore, the utility model provides a lock cylinder cover waterproof structure to solve the above problems, which can prevent water from entering the whole machine and ensure normal use of the whole machine. UTILITY MODEL CONTENTS
[0005] In view of the above problems existing in the prior art, the utility model provides a lock cylinder cover waterproof structure, which comprises:
[0006] A middle frame body is provided with an installation groove, a first stepped surface and a second stepped surface are formed at the bottom of the installation groove, the first stepped surface is higher than the second stepped surface, a lock cylinder hole is arranged on the first stepped surface, and a through groove is arranged on the second stepped surface;
[0007] A lock cylinder cover is provided with an annular groove at the side, a sealing ring is assembled in the annular groove, a screw column is arranged on the bottom surface of the lock cylinder cover, a compression spring is arranged on the screw column, and the compression spring is locked on the screw column through a first screw;
[0008] The lock cylinder cover is installed in the installation groove, the sealing ring is abutted to the inner wall of the installation groove to form a sealing waterproof structure, the screw column passes through the through groove, the top end of the compression spring is abutted to the bottom of the through groove, and the compression spring provides stress to tighten the lock cylinder cover;
[0009] The lower end of the lock cylinder cover is pressed to open the lock cylinder cover, and then the lock cylinder can be operated through the lock cylinder hole.
[0010] Optionally, the bottom surface of the through slot limits the front end of the compression spring from passing through the through slot, and the first screw limits the rear end of the compression spring from escaping from the screw post.
[0011] Optionally, the bottom surface of the through slot is formed with a positioning slot, and the compression spring is positioned and installed through the positioning slot.
[0012] Optionally, the step angles of the first step surface and the second step surface form a fulcrum, and when the lower end of the lock core cover is pressed, the lock core cover rotates around the fulcrum, and the upper end of the lock core cover is lifted.
[0013] Optionally, pulling out the lock core cover and rotating it by a certain angle makes the lock core hole visible, and the compression spring limits the lock core cover from escaping from the middle frame body.
[0014] Optionally, the annular groove is formed as a rectangular groove, a V-shaped groove or a semicircular groove, and the sealing ring is an O-shaped ring.
[0015] Optionally, the distance between the first step surface and the front surface of the middle frame body is equal to the thickness of the lock core cover.
[0016] Optionally, the lock core cover is integrally formed by using a plastic material; and / or,
[0017] The middle frame body is made of an aluminum alloy.
[0018] Optionally, the compression spring is trumpet-shaped, the large end of the compression spring abuts against the bottom surface of the through slot, and the small end of the compression spring abuts against the end surface of the first screw.
[0019] In addition, the utility model further provides an intelligent door lock using the waterproof structure of the lock core cover.
[0020] The technical scheme of the utility model has the following advantages or beneficial effects:
[0021] The lock core cover waterproof structure of the utility model provides, including middle frame main part and lock core cover, be provided with one installation groove on middle frame main part, the bottom of installation groove forms first step surface and second step surface, first step surface is higher than second step surface, be provided with one lock core hole on first step surface, be provided with one through groove on second step surface;Lock core cover's side is provided with annular groove, annular groove is assembled with sealing ring, the bottom of lock core cover is provided with screw column, be provided with one compression spring on screw column, compression spring is locked to screw column through first screw;Lock core cover is installed in installation groove, sealing ring is abutted to the inner wall of installation groove and forms sealed waterproof, screw column passes through through groove, the top end of compression spring is abutted to the bottom of through groove, and compression spring provides stress and tightens lock core cover;The lower end of lock core cover can be opened by pressing, and then lock core can be operated through lock core hole. BRIEF DESCRIPTION OF DRAWINGS
[0022] Reference is made to the accompanying drawings to more fully describe embodiments of the utility model. However, the accompanying drawings are only for illustration and elaboration, and do not constitute a limitation on the scope of the utility model.
[0023] Figure 1 It is the structure schematic drawing of the lock core cover waterproof structure of the utility model;
[0024] Figure 2 It is the explosion schematic drawing of the lock core cover waterproof structure of the utility model;
[0025] Figure 3 It is the cross-sectional view schematic drawing of the lock core cover waterproof structure of the utility model;
[0026] Figure 4 It is the structure schematic drawing of the middle frame main body of the utility model;
[0027] Figure 5 It is another structure schematic drawing of the middle frame main body of the utility model.
[0028] Illustration:
[0029] 1, middle frame main body;2, lock core cover;3, installation groove;4, first step surface;5, second step surface;
[0030] 6, lock core hole;7, through groove;8, annular groove;9, sealing ring;10, screw column;11, compression spring;12, first screw;13, positioning groove. DETAILED DESCRIPTION
[0031] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many other different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present application can be more thoroughly and completely understood.
[0032] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for the purpose of illustration only.
[0033] In the description of the present application, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0034] In the description of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically defined.
[0035] As Figures 1-5The utility model discloses an embodiment provides a lock cylinder cover waterproof structure, lock cylinder cover waterproof structure applies on intelligent door lock, can prevent water or salt mist from entering to lock body inside, and waterproof effect is good. Specifically, lock cylinder cover waterproof structure includes middle frame main part 1 and lock cylinder cover 2, specifically, middle frame main part 1 is the shell structure, adopts aluminium alloy material to make;The bottom of the installation groove 3 of the lower side on the front of middle frame main part 1 forms with first stair face 4 and second stair face 5, and first stair face 4 is higher than second stair face 5;First stair face 4 is provided with a lock cylinder hole 6, and the lock cylinder hole 6 can be used to switch lock operation to lock cylinder;Second stair face 5 is provided with a through groove 7.Lock cylinder cover 2 is the board structure, and lock cylinder cover 2 adopts plastic material and is integrally formed to make, and the planar shape of lock cylinder cover 2 is adapted to the shape of installation groove 3;The side of lock cylinder cover 2 is provided with annular groove 8, and annular groove 8 is equipped with rubber sealing ring 9, and wherein, annular groove 8 can form rectangular groove, V groove or semicircular groove, and sealing ring 9 is O ring.Lock cylinder cover 2's bottom surface is provided with screw column 10, and screw column 10 is equipped with compression spring 11, and compression spring 11 is locked to screw column 10 through first screw 12.
[0036] In the embodiment, the distance between the first stepped surface 4 of the installation groove 3 and the front surface of the middle frame body 1 is equal to the thickness of the lock cylinder cover 2, the lock cylinder cover 2 is installed in the installation groove 3 in a pressing manner, the bottom surface of the lock cylinder cover 2 abuts against the first stepped surface 4, and the front surface of the lock cylinder cover 2 is flush with the front surface of the installation groove 3, so that the overall appearance of the lock cylinder cover 2 and the middle frame body 1 is flat and consistent, and the quality of the door lock is improved. The outer edge of the sealing ring 9 abuts against the inner wall of the installation groove 3, the sealing ring 9 is in interference fit with the installation groove 3, the sealing ring 9 is compressed and assembled between the annular groove 8 and the inner wall of the installation groove 3 to form a sealing and waterproof structure, so that water or salt mist cannot enter the lock body through the lock cylinder hole 6 or the through groove 7 from the installation groove 3, and the use performance of the whole machine is ensured. The through groove 7 is used for adapting the installation of the screw column 10, the screw column 10 first passes through the through groove 7, then the compression spring 11 is assembled, and then the first screw 12 is used to lock the compression spring 11, the top end of the compression spring 11 abuts against the bottom of the through groove 7, the compression spring 11 provides stress to pull the lock cylinder cover 2, so that the lock cylinder cover 2 is stable in the installation groove 3. Preferably, the compression spring 11 is in a bell shape, the outer diameter of the large end of the compression spring 11 is greater than the hole diameter of the through groove 7, and the outer diameter of the small end of the compression spring 11 is less than the outer diameter of the end surface of the first screw 12. The large end of the compression spring 11 abuts against the bottom surface of the through groove 7, and the small end of the compression spring 11 abuts against the end surface of the first screw 12. The bottom surface of the through groove 7 limits the front end of the compression spring 11 from passing through the through groove 7, and the first screw 12 limits the rear end of the compression spring 11 from coming out of the screw column 10. The tensile stress of the compression spring 11 is transmitted to the screw column 10 through the first screw 12 to act on the rear side of the lock cylinder cover 2, and the tensile stress of the compression spring 11 on the lock cylinder cover 2 can stably keep the lock cylinder cover 2 in the installation groove 3, so that the lock cylinder cover 2 cannot easily come out of the installation groove 3 after being installed.
[0037] Further, in the embodiment, the stepped angles of the first stepped surface 4 and the second stepped surface 5 form a fulcrum, when the lower end of the lock cylinder cover 2 is pressed from the front, the lock cylinder cover 2 rotates around the fulcrum, the upper end of the lock cylinder cover 2 is lifted, the upper end of the lock cylinder cover 2 is buckled out, the lock cylinder cover 2 can be pulled out by overcoming the tensile stress of the compression spring 11, so that the lock cylinder cover 2 can be opened, at this time, the lock cylinder cover 2 is rotated by a certain angle so that the lock cylinder hole 6 is visible, and then the lock cylinder can be operated through the lock cylinder hole 6; and under the limitation of the compression spring 11, the lock cylinder cover 2 will not come off the middle frame body 1, which is convenient for disassembly and assembly.
[0038] Further, in the embodiment, in order to facilitate the positioning and installation of the compression spring 11, the bottom surface of the through groove 7 is formed with a positioning groove 13, and the compression spring 11 is positioned and installed through the positioning groove 13. The compression spring 11 is installed in the positioning groove 13, and when the lock cylinder cover 2 is rotated, the compression spring 11 cannot move out of the positioning groove 13, so as to ensure that the compression spring 11 is always located in the positioning groove 13.
[0039] The lock core cover waterproof structure of the utility model is implemented, through the sealing ring 9 added on the lock core cover 2 abutting the inner wall of the installation groove 3 to prevent water, when applied to the lock body of the intelligent door lock, water or salt mist can be prevented from entering the inside of the lock body, the normal use of the whole intelligent door lock is guaranteed; and the waterproof structure is simple, the cost is low, has broad market prospect.
[0040] The technical features of the above-described embodiments can be combined in any manner, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, but as long as the combinations of the technical features do not exist contradictions, they should be considered as the scope of the present disclosure.
[0041] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as a limitation on the patent application scope. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A waterproof structure of a lock core cover, characterized by, include: The middle frame body has a mounting groove, and the bottom of the mounting groove has a first stepped surface and a second stepped surface. The first stepped surface is higher than the second stepped surface. A lock cylinder hole is provided on the first stepped surface, and a through groove is provided on the second stepped surface. A lock cylinder cover has an annular groove on its side, a sealing ring is fitted in the annular groove, and a screw post is provided on the bottom surface of the lock cylinder cover. A compression spring is mounted on the screw post and is secured to the screw post by a first screw. The lock cylinder cover is installed in the mounting groove, the sealing ring abuts against the inner wall of the mounting groove to form a seal and waterproof, the screw post passes through the through groove, the top end of the compression spring abuts against the bottom of the through groove, and the compression spring provides stress to tighten the lock cylinder cover; Pressing the lower end of the lock cylinder cover opens the cover, allowing the lock cylinder to be operated through the lock cylinder hole.
2. The lock cylinder cover waterproof structure according to claim 1, characterized by The bottom surface of the through slot restricts the front end of the compression spring from passing through the through slot, and the first screw restricts the rear end of the compression spring from disengaging from the screw post.
3. The lock core cover waterproof structure according to claim 2, wherein A positioning groove is formed on the bottom surface of the through groove, and the compression spring is positioned and installed through the positioning groove.
4. The lock core cover waterproof structure according to claim 1, wherein The step angles of the first and second stepped surfaces form a fulcrum. When the lower end of the lock cylinder cover is pressed down from the front, the lock cylinder cover rotates about the fulcrum, and the upper end of the lock cylinder cover is raised.
5. The lock core cover waterproof structure according to claim 4, wherein Pull out the lock cylinder cover and rotate it at a certain angle to make the lock cylinder hole visible, and the compression spring prevents the lock cylinder cover from detaching from the middle frame body.
6. The lock core cover waterproof structure according to claim 1, wherein The annular groove is formed into a rectangular groove, a V-shaped groove, or a semi-circular groove, and the sealing ring is an O-ring.
7. The lock core cover waterproof structure according to claim 1, wherein The distance between the first stepped surface and the front surface of the middle frame body is equal to the thickness of the lock cylinder cover.
8. The lock core cover waterproof structure according to claim 1, wherein The lock cylinder cover is manufactured using a single-piece molding process with plastic material; and / or, The main body of the middle frame is made of aluminum alloy.
9. The lock core cover waterproof structure according to claim 1, wherein The compression spring is trumpet-shaped, with its large end abutting against the bottom surface of the through groove and its small end abutting against the end face of the first screw.
10. A smart door lock characterized by Includes a waterproof structure for the lock cylinder cover as described in any one of claims 1-9.