Simple ecological door lock

By integrating the deadbolt and locking components into the inner and outer handles, the structure of traditional door locks is simplified, solving the problems of high production costs and unattractive appearance, and improving both security and aesthetics.

CN223907990UActive Publication Date: 2026-02-13WENZHOU RUIJI HARDWARE PRODUCTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520320438.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-02-13
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Traditional door locks have complex structures, high production costs, unattractive appearance, and complicated installation.

Method used

The deadbolt and locking components are built into the inner and outer handles respectively, eliminating the need for a separate deadbolt ring. Locking is achieved through a linkage plate and a locking cam, simplifying the structure and improving aesthetics.

Benefits of technology

It reduces production costs, simplifies the installation process, and improves the appearance of the door lock while ensuring security performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223907990U_ABST
    Figure CN223907990U_ABST
Patent Text Reader

Abstract

The utility model discloses a simple ecological door lock which comprises an inner handle seat and an outer handle seat, an inner handle is rotatably arranged on the inner handle seat, and an outer handle is rotatably arranged on the outer handle seat. A back locking assembly is arranged in the inner handle, and a locking assembly is arranged in the outer handle. The locking assembly comprises a handle head on the outer handle, a locking cam and a locking column, wherein the locking cam and the locking column are rotationally arranged in the handle head. A lower locking groove is formed in the side wall of the outer handle seat, and an upper locking groove is formed in the outer handle. One end of the locking cam is connected with the linkage plate, the counter lock assembly drives the locking cam to rotate through the linkage plate, the locking cam extrudes the locking column outwards, one part of the locking column can penetrate through the locking hole of the handle head, and the upper end and the lower end of the locking column are arranged in the upper locking groove and the lower locking groove respectively. The outer handle is locked on the outer handle seat; a back locking split ring is omitted, and the door lock structure is simplified; the door lock production cost is reduced, and the appearance of the door lock is simpler and more attractive.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to door lock technical field, more specifically, it relates to a simple ecological door lock. BACKGROUND

[0002] The door lock is a kind of commonly used door protection device to prevent illegal intrusion of personnel outside door, and the handle of traditional door lock only has unlocking function, does not have anti-lock function;In order to realize the anti-lock function of door lock, anti-lock split ring is often arranged below handle, lock cylinder is arranged in door inner split ring, anti-lock knob is arranged in door outer split ring, and the lower lock tongue in lock body is driven by anti-lock knob or key, so that the lower lock tongue is stretched out of lock body and placed in the buckle box in door frame;Reach the purpose that personnel outside door cannot unlock, realize the anti-lock function of door lock;

[0003] But this kind of mode makes the structure of door lock complex, leads to higher production cost of door lock, and door lock appearance is not beautiful, there is also the problem of complex door lock installation. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the purpose of the utility model is to provide a simple ecological door lock.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A simple ecological door lock, including inner handle seat and outer handle seat, the inner handle seat is rotationally provided with inner handle, the outer handle seat is rotationally provided with outer handle, the inner handle and outer handle are linked through square shaft;The inner handle is built-in anti-lock assembly, the outer handle is built-in locking assembly, and the locking assembly and anti-lock assembly are linked through linkage plate;

[0007] The locking assembly includes handle head on outer handle, locking cam rotationally arranged in handle head and locking column matched with locking cam;

[0008] The side wall of outer handle seat is provided with lower locking groove, and the outer handle is provided with upper locking groove, and the upper locking groove is correspondingly arranged with lower locking groove;

[0009] One end of locking cam is connected with linkage plate, and anti-lock assembly drives locking cam to rotate through linkage plate, so that locking cam extrudes locking column outward, and part of locking column passes through locking hole of handle head, and upper end and lower end of locking column are placed in upper locking groove and lower locking groove respectively, to lock outer handle on outer handle seat.

[0010] The utility model further sets up: two cam faces matched with locking column are arranged on locking cam, and the cam faces are used to accommodate locking column;

[0011] When the anti-lock assembly is in the unlocking position, the upper and lower ends of the locking column are retracted into the cam surface from the upper locking groove and the lower locking groove respectively.

[0012] The utility model further sets up: lock cam other end part with lock core on outer handle is connected.

[0013] The utility model further sets up: the outer handle seat includes the outer base and the outer split ring of suitable adaptation, the inner handle seat includes the inner base and the inner split ring of suitable adaptation.

[0014] The lower locking groove is arranged on the inner side wall of the outer split ring.

[0015] The utility model further sets up: the anti-lock assembly includes the rotating part of rotating setting in the inner handle and is used for driving rotating part's anti-lock button, the rotating part is connected with the linkage board, and its outer side wall is equipped with the thread groove;

[0016] The anti-lock button is equipped with the driving rod that cooperates with the thread groove, and the driving rod will drive the rotating part to drive the linkage board to rotate, and the linkage board drives the lock cam to rotate.

[0017] The utility model further sets up: the side wall of inner handle is equipped with button window, and the button part of anti-lock button is from button window and is worn.

[0018] The utility model further sets up: the inner base and outer base are connected through the screw rod and the screw sleeve and are connected.

[0019] The utility model further sets up: the inner split ring and outer split ring side wall are equipped with the top silk hole, wherein the top silk passes through the corresponding top silk hole and leans on the inner base, the outer base, fixes the inner split ring and outer split ring respectively.

[0020] The utility model has the advantages that the door lock of the utility model embeds the anti-lock assembly and the locking assembly for the door lock anti-lock respectively in the inner handle and the outer handle, gives up the anti-lock split ring, simplifies the door lock structure, effectively reduces the production cost of the door lock, makes the appearance of the door lock more simple and beautiful, and the like.

[0021] When the door is locked, only need to drive the locking cam in the outer handle through the anti-lock assembly on the inner handle, the locking cam extrudes the locking column outward, and a part of the locking column is arranged in the upper locking groove and the lower locking groove from the locking hole of the handle head, the outer handle is locked on the outer handle seat, so that the person outside the door cannot open the door by pressing the outer handle, and the anti-lock function of the door lock is realized, the upper locking groove corresponding to the lower locking groove is arranged on the side wall of the outer handle, the locking effect of the locking column on the outer handle is improved, the thickness of the outer base is reduced under the premise of ensuring the safety performance of the door lock, and the overall appearance of the door lock is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 It is a structure schematic view of the simple ecological door lock of the utility model;

[0023] Fig. 2 It is an exploded view of the simple ecological door lock of the utility model;

[0024] Fig. 3 It is a cooperation view of the reverse locking assembly and the locking assembly of the simple ecological door lock of the utility model;

[0025] Fig. 4 It is a structure schematic view of the outer handle of the simple ecological door lock of the utility model;

[0026] Mark 1, inner handle seat; 11, inner base; 12, inner split ring; 2, outer handle seat; 21, outer base; 22, outer split ring; 221, lower locking groove; 3, inner handle; 31, button window; 4, outer handle; 41, handle head; 411, locking hole; 42, upper locking groove; 5, square shaft; 6, reverse locking assembly; 61, rotating piece; 611, threaded groove; 62, reverse locking button; 621, driving rod; 622, button part; 7, locking assembly; 71, locking cam; 711, cam surface; 72, locking column; 8, linkage plate; 9, lock core. DETAILED DESCRIPTION

[0027] Refer to the attached Figs. 1 to 4 The simple ecological door lock of the utility model is further described in detail.

[0028] A simple ecological door lock, comprising an inner handle seat 1 and an outer handle seat 2, the inner handle seat 1 is rotationally provided with an inner handle 3, the outer handle seat 2 is rotationally provided with an outer handle 4, the inner handle 3 and the outer handle 4 are linked through a square shaft 5; the inner handle 3 is internally provided with a reverse locking assembly 6, the outer handle 4 is internally provided with a locking assembly 7, the locking assembly 7 and the reverse locking assembly 6 are linked through a linkage plate 8; the reverse locking assembly 6 and the locking assembly 7 for door lock reverse locking are internally provided in the inner handle 3 and the outer handle 4 respectively, the reverse split ring is omitted, the door lock structure is simplified; the door lock production cost is effectively reduced, the door lock appearance is more simple and beautiful;

[0029] The locking assembly 7 comprises a handle head 41 on the outer handle 4, a locking cam 71 rotationally provided in the handle head 41 and a locking column 72 matched with the locking cam 71;

[0030] The side wall of the outer handle seat 2 is provided with a lower locking groove 221, the outer handle 4 is provided with an upper locking groove 42, and the upper locking groove 42 is provided in correspondence with the lower locking groove 221;

[0031] The one end of the locking cam 71 is connected with the linkage plate 8, and the other end of the locking cam 71 is connected with the lock core 9 on the outer handle 4; the anti-lock assembly 6 drives the locking cam 71 to rotate through the linkage plate 8, so that the locking cam 71 extrudes the locking column 72 outward, and a part of the locking column 72 passes through the locking hole 411 of the handle head 41 and is arranged in the upper locking groove 42 and the lower locking groove 221 respectively, thereby locking the outer handle 4 on the outer handle seat 2; the person outside the door can open the lock core 9 through a key to drive the locking cam 71 to rotate, thereby realizing the anti-lock and unlocking operations of the door lock.

[0032] When the door lock is anti-locked, only the locking cam 71 in the outer handle 4 needs to be driven by the anti-lock assembly 6 on the inner handle 3, the locking cam 71 extrudes the locking column 72 outward, so that a part of the locking column 72 passes through the locking hole 411 of the handle head 41 and is arranged in the upper locking groove 42 and the lower locking groove 221; the outer handle 4 is firmly locked on the outer handle seat 2, so that the person outside the door cannot open the lock by pressing the outer handle 4, thereby realizing the anti-lock function of the door lock; wherein the upper locking groove 42 corresponding to the lower locking groove 221 is arranged on the side wall of the outer handle 4, which improves the locking effect of the locking column 72 on the outer handle 4, and at the same time, under the premise of ensuring the safety performance of the door lock, the thickness of the outer base 21 is reduced, and the overall appearance of the door lock is improved.

[0033] The locking cam 71 is provided with two cam surfaces 711 matched with the locking column 72, and the cam surfaces 711 are used for accommodating the locking column 72; when the anti-lock assembly 6 is in the unlocking position, the upper end and the lower end of the locking column 72 are respectively retracted into the cam surfaces 711 from the upper locking groove 42 and the lower locking groove 221.

[0034] The outer handle seat 2 includes a matched outer base 21 and an outer split ring 22, and the inner handle seat 1 includes a matched inner base 11 and an inner split ring 12; the lower locking groove 221 is arranged on the inner side wall of the outer split ring 22; the inner base 11 and the outer base 21 are connected by screwing and screwing through, so as to facilitate the alignment and installation operation of the inner base 11 and the outer base 21.

[0035] The inner split ring 12 and the outer split ring 22 are provided with a jackscrew hole on the side wall; after the installation of the inner base 11 and the outer base 21 on the door plate is completed, the inner split ring 12 and the outer split ring 22 respectively provided with the inner handle 3 and the outer handle 4 are arranged on the inner base 11 and the outer base 21 respectively, a jackscrew is passed through the corresponding jackscrew hole and abuts against the inner base 11 and the outer base 21, and the inner split ring 12 and the outer split ring 22 are respectively fixed; the installation is simple and convenient.

[0036] The reverse locking assembly 6 comprises a rotating piece 61 arranged in the inside handle 3 and a reverse locking button 62 for driving the rotating piece 61, the rotating piece 61 is connected with the linkage plate 8, and a threaded groove 611 is arranged on the outer side wall of the rotating piece 61; the reverse locking button 62 is provided with a driving rod 621 matched with the threaded groove 611, the driving rod 621 drives the rotating piece 61 to rotate the linkage plate 8 by pressing the reverse locking button 62, and the linkage plate 8 drives the locking cam 71 to rotate, thereby realizing the reverse locking or unlocking of the door lock.

[0037] The side wall of the inside handle 3 is provided with a button window 31, and the button part 622 of the reverse locking button 62 is arranged to pass through the button window 31, so that the person inside the door only needs to press or push the button part 622 on the button window 31, and the reverse locking or unlocking operation of the door lock can be easily realized, which is simple and convenient.

[0038] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application are also considered as the protection scope of the present application.

Claims

1. A simple eco-friendly door lock, comprising an inner handle base and an outer handle base, wherein an inner handle is rotatably mounted on the inner handle base, and an outer handle is rotatably mounted on the outer handle base, the inner handle and the outer handle being linked by a square shaft; characterized in that: The inner handle is internally provided with a reverse locking assembly, and the outer handle is internally provided with a locking assembly, which is linked with the reverse locking assembly through a linkage plate; The locking assembly comprises a handle head on the outer handle, a locking cam rotatably arranged in the handle head, and a locking column matched with the locking cam; The side wall of the outer handle seat is provided with a lower locking groove, and the outer handle is provided with an upper locking groove corresponding to the lower locking groove; One end of the locking cam is connected with the linkage plate, and the reverse locking assembly drives the locking cam to rotate through the linkage plate, so that the locking cam extrudes the locking column outward, and a part of the locking column passes through the locking hole of the handle head, and the upper and lower ends of the locking column are arranged in the upper locking groove and the lower locking groove respectively, so that the outer handle is locked on the outer handle seat.

2. The simple ecological door lock according to claim 1, characterized in that: The locking cam is provided with two cam surfaces matched with the locking column, and the cam surfaces are used for accommodating the locking column; When the reverse locking assembly is in the unlocking position, the upper and lower ends of the locking column are respectively retracted into the cam surfaces from the upper locking groove and the lower locking groove.

3. The simple ecological door lock according to claim 2, characterized in that: The other end of the locking cam is connected with a lock cylinder on the outer handle.

4. The simple ecological door lock according to claim 1 or 2 or 3, characterized in that: The outer handle seat comprises a matched outer base and an outer split ring, and the inner handle seat comprises a matched inner base and an inner split ring; The lower locking groove is arranged on the inner side wall of the outer split ring.

5. A simple ecological door lock according to claim 4, characterized in that: The reverse locking assembly comprises a rotating member rotatably arranged in the inner handle and a reverse locking button for driving the rotating member, the rotating member is connected with the linkage plate, and a threaded groove is formed in the outer side wall of the rotating member; The reverse locking button is provided with a driving rod matched with the threaded groove, and the driving rod drives the rotating member to rotate the linkage plate when the reverse locking button is pressed down, and the linkage plate drives the locking cam to rotate.

6. A simple ecological door lock according to claim 5, characterized in that: A button window is formed in the side wall of the inner handle, and a button part of the reverse locking button is exposed from the button window.

7. The simple ecological door lock according to claim 4, characterized in that: The inner base and the outer base are connected through screw rods and screw sleeves.

8. A simple ecological door lock according to claim 7, characterized in that: The inner split ring and the outer split ring are provided with top screw holes, and a top screw passes through the corresponding top screw holes and abuts against the inner base and the outer base to fix the inner split ring and the outer split ring respectively.