Door and window locking mechanism

By introducing side limit blocks and positioning sliding buckles into the door and window locking mechanism, combined with a spring-loaded mechanism, the problem of locking plate offset is solved, achieving a more stable locking effect.

CN223781293UActive Publication Date: 2026-01-09ZUOLAN DOORS & WINDOWS (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202520176119.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-27
Publication Date
2026-01-09
Estimated Expiration
2035-01-27

AI Technical Summary

Technical Problem

The existing door and window locking mechanism lacks a limiting structure during multiple locking movements, which causes the locking plate to easily shift, affecting the locking stability.

Method used

The design employs a side limiting block and a positioning sliding buckle structure, combined with a spring-loaded mechanism, to ensure that the door and window locking plate remains in a straight line during movement, preventing positional deviation.

Benefits of technology

It improves the stability and convenience of door and window locking mechanisms, ensuring that the locking plate is more stable when locked and preventing positional displacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a door and window locking mechanism, which relates to the technical field of door and window locks, and comprises a T-shaped installation panel and side edge limiting blocks, the side edge limiting blocks are installed and connected on two sides of the upper end of the T-shaped installation panel, the inner sides of the side edge limiting blocks are provided with door and window locking insertion plates, and the door and window locking insertion plates are connected with the T-shaped installation panel. A positioning sliding buckle is arranged on the inner side of the upper end of the door and window locking insertion plate, a springback mechanism is arranged at the rear end of the positioning sliding buckle, and a locking rotating handle is arranged on the portion, located on the T-shaped installation panel, of the rear side of the door and window locking insertion plate. The door and window locking inserting plate can move back and forth in a two-side limiting mode through the side edge limiting blocks, the positioning sliding buckle is installed on the inner side of the upper end of the door and window locking inserting plate and can limit movement of the door and window locking inserting plate in the middle, it is guaranteed that the door and window locking inserting plate is stably kept in a linear state in the moving process, position deviation is avoided, and the door and window locking inserting plate is safe and reliable. And the whole locking is more stable and convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window lock technical field especially relates to a door and window locking mechanism. BACKGROUND

[0002] The window lock is a kind of device for fixing window, it is usually installed at the edge of window, for preventing window from being opened or damaged, when locking door and window, thus need to use door and window locking mechanism.

[0003] The existing Chinese patent CN211874199U, on November 6, 2020, disclosed a kind of door and window locking mechanism, relate to door and window technical field, including frame body and window board, the inner wall of frame body one side is equipped with clamping groove, the end near clamping groove of window board is equipped with installation slot, spring box is fixedly installed in the inside of installation slot, the inner wall of one end of spring box is fixedly connected with one end of spring, the other end of spring is fixedly connected with guide plate, the end away from spring of guide plate is fixedly connected with clamping rod, clamping rod hole is equipped in the middle of the other end of spring box, the end away from guide plate of clamping rod is penetrated clamping rod hole and located in the inside of clamping groove.

[0004] But, above-mentioned device is short of corresponding limit structure when moving locking, so that in the case of locking plugboard deviation in multiple moving locking, it is easy to appear the problem of hindering when locking. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a door and window locking mechanism, the door and window locking plugboard can be limited on both sides and moved forward and backward through side limit block, the upper end of the door and window locking plugboard is provided with positioning sliding buckle on the inner side, the positioning sliding buckle can limit the movement of the door and window locking plugboard in the middle, ensure that the door and window locking plugboard is stably kept in a straight line state during movement, avoid position deviation, so that the whole is more stable and convenient when locking.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of door and window locking mechanism, including T type installation panel and side limit block, the side limit block is installed and connected on the upper end of T type installation panel on both sides, the inner side of the side limit block is provided with door and window locking plugboard, the upper end of the door and window locking plugboard is provided with positioning sliding buckle on the inner side, the rear end of the positioning sliding buckle is provided with rebound mechanism, the rear side of the door and window locking plugboard is provided with locking handle on T type installation panel;

[0008] The positioning sliding buckle comprises a fixing screw, an intermediate panel and a positioning sliding block, the front end of the intermediate panel is provided with the positioning sliding block on the lower side, the rear end of the intermediate panel is provided with the fixing screw on the inner side, the intermediate panel is installed and connected on the rebound mechanism through the fixing screw, and the intermediate panel is sleeved on the inner side of the door and window locking plug-in board through the positioning sliding block.

[0009] Through the above technical scheme: the T-shaped mounting panel is installed on the door and window frame, when the personnel rotates the locking handle, the abutting end block of the locking handle can abut against the door and window locking plug-in board to move outward, the door and window locking plug-in board can be inserted into the hole of the door and window frame to achieve the locking effect, when the locking handle is rotated to the original position, the rebound mechanism can pull the door and window locking plug-in board to restore, the door and window locking plug-in board can be limited on both sides through the side limiting blocks to move forward and backward, the upper end of the door and window locking plug-in board is provided with the positioning sliding buckle on the inner side, the positioning sliding buckle can limit the movement of the door and window locking plug-in board in the middle, so that the door and window locking plug-in board can stably keep a straight line state during the movement, the position deviation is avoided, and the whole is more stable and convenient during the locking.

[0010] The rebound mechanism comprises a convex baffle and a pull-back spring, the both sides of the front end of the convex baffle are provided with the pull-back spring, the front end of the pull-back spring is fixedly connected to the door and window locking plug-in board, and the lower end of the convex baffle is fixedly connected to the T-shaped mounting panel.

[0011] Through the above technical scheme: the rebound mechanism structure has the elastic pull-back effect.

[0012] The door and window locking plug-in board comprises an L-shaped side plate, an intermediate plug-in board and a positioning sleeve groove, the both sides of the rear end of the intermediate plug-in board are provided with the L-shaped side plate, the inner side of the intermediate plug-in board is provided with the positioning sleeve groove, and the intermediate plug-in board is sleeved between the two side limiting blocks through the L-shaped side plate.

[0013] Through the above technical scheme: due to the structure of the door and window locking plug-in board, the locking can be positioned and moved.

[0014] The locking handle comprises a metal grip rod, a connecting shaft rod, a positioning turntable, an abutting end block and a connecting disc, the outer wall of the connecting disc is provided with the abutting end block, the lower end of the connecting disc is provided with the connecting shaft rod in the middle, the circumferential side of the connecting shaft rod is provided with the positioning turntable, the lower end of the connecting shaft rod is provided with the metal grip rod, and the connecting shaft rod is movably connected to the T-shaped mounting panel through the positioning turntable.

[0015] Through the above technical scheme: the locking handle structure can be rotated to abut.

[0016] The utility model further sets up, the side edge limit piece includes installation screw, limit sliding slot and L type locating block, installation screw is arranged in both ends through -hole of L type locating block, limit sliding slot is arranged in the inside of the lower end of L type locating block, L type locating block is installed and is connected on T type installation panel through installation screw.

[0017] Through above technical scheme: because side edge limit piece structure, can side edge limit use.

[0018] The utility model further sets up, the front end of door and window lock tightly inserts the board and is inserted in the front end slot hole of T type installation panel.

[0019] Through above technical scheme: through the front end slot hole of T type installation panel, the front end of door and window lock tightly inserts the board and can limit movement.

[0020] The utility model further sets up, the side edge limit piece is symmetrical and is arranged on both sides of door and window lock tightly inserts the board.

[0021] Through above technical scheme: through side edge limit piece structure, door and window lock tightly inserts the board and can limit movement.

[0022] The utility model discloses the beneficial effect is:

[0023] 1, through setting up locating sliding buckle structure, door and window lock tightly inserts the board and can center locating sliding, the front end lower side of the middle panel of locating sliding buckle is fixedly connected with locating slider, locating slider is inserted in the inside of door and window lock tightly inserts the board, because the limiting of locating slider, when moving, door and window lock tightly inserts the board and is more stable, the rear end inside of middle panel is installed with fixed screw, middle panel is installed and connected on rebound mechanism through fixed screw, middle panel can be stably placed, so that rebound mechanism can be stably centered through the locating slider of middle panel front end.

[0024] 2, through setting up side edge limit piece structure, can side edge limit use, the both ends through -hole of L type locating block of side edge limit piece installs installation screw, L type locating block is installed and connected on T type installation panel through installation screw, so that L type locating block can be stably installed and placed, the inside of the lower end of L type locating block is provided with limit sliding slot, so that door and window lock tightly inserts the board and can position movement. DRAWINGS

[0025] Figure 1 It is a three-dimensional structure schematic view of the door and window locking mechanism that the utility model proposes;

[0026] Figure 2 It is a three-dimensional structure schematic view of the middle part of the door and window locking mechanism that the utility model proposes;

[0027] Figure 3 A positioning sliding buckle structure schematic view of a door and window locking mechanism is provided in the utility model.

[0028] Figure 4 A locking handle structure schematic view of a door and window locking mechanism is provided in the utility model.

[0029] Figure 5 A side limiting block structure schematic view of a door and window locking mechanism is provided in the utility model.

[0030] In the drawing: 1, T-shaped mounting panel; 2, door and window locking plugboard; 21, L-shaped side plate; 22, middle plugboard; 23, positioning sleeve groove; 3, positioning sliding buckle; 31, fixed screw; 32, middle panel; 33, positioning sliding block; 4, side limiting block; 41, mounting screw; 42, limiting sliding groove; 43, L-shaped positioning block; 5, rebound mechanism; 51, convex baffle; 52, pullback spring; 6, locking handle; 61, metal handle rod; 62, connecting shaft; 63, positioning turntable; 64, abutting end block; 65, connecting disc. DETAILED DESCRIPTION

[0031] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.

[0032] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.

[0033] In the description of the patent, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.

[0034] In the description of the patent, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, set, or can be detachably connected, set, or integrally connected, set. For ordinary skilled persons in the art, the specific meanings of the above terms in the patent can be understood according to the specific circumstances.

[0035] REFERENCE Figures 1-5The utility model provides a door and window locking mechanism, including T type installation panel 1 and side edge limiting block 4, side edge limiting block 4 is installed and is connected on the upper end both sides of T type installation panel 1, and side edge limiting block 4 can be positioned on the upper end both sides of T type installation panel 1, and the inboard of side edge limiting block 4 is sleeved with door and window locking plug -in board 2, and door and window locking plug -in board 2 can be positioned two -sidedly moves back and forth through side edge limiting block 4, and the inboard of the upper end of door and window locking plug -in board 2 is installed with positioning sliding buckle 3, and positioning sliding buckle 3 can be positioned the movement of door and window locking plug -in board 2 in the middle, and positioning sliding buckle 3 ensures that door and window locking plug -in board 2 stably keeps a straight -line state in the movement, and the rear end of positioning sliding buckle 3 is installed with rebound mechanism 5, and rebound mechanism 5 can pull door and window locking plug -in board 2 and restore, and the rear side of door and window locking plug -in board 2 is located on T type installation panel 1 and is installed with locking handle 6, and locking handle 6 can rotate and resist and contact door and window locking plug -in board 2 and move outward and lock tightly;

[0036] Positioning sliding buckle 3 includes fixed screw 31, middle panel 32 and positioning sliding block 33, and the lower side of the front end of middle panel 32 is fixedly connected with positioning sliding block 33, and positioning sliding block 33 is sleeved on the inboard of door and window locking plug -in board 2, and door and window locking plug -in board 2 is more stable in the movement due to the positioning of positioning sliding block 33, and the rear end of middle panel 32 is installed with fixed screw 31, and middle panel 32 is installed and connected on rebound mechanism 5 through fixed screw 31, and middle panel 32 can be stably placed, and rebound mechanism 5 can be stably centrally positioned through the positioning sliding block 33 of the front end of middle panel 32.

[0037] Specifically, rebound mechanism 5 includes convex baffle 51 and back -and -forth spring 52, and the both sides of the front end of convex baffle 51 are fixedly connected with back -and -forth spring 52, and the front end of back -and -forth spring 52 is fixedly connected on door and window locking plug -in board 2, and back -and -forth spring 52 can elastically pull door and window locking plug -in board 2 and restore, and the lower end of convex baffle 51 is fixedly connected on T type installation panel 1, and convex baffle 51 can be stably placed.

[0038] Specifically, door and window locking plug -in board 2 includes L type side plate 21, middle plug -in board 22 and positioning sleeve groove 23, and the both sides of the rear end of middle plug -in board 22 are fixedly connected with L type side plate 21, and middle plug -in board 22 is sleeved between two side edge limiting blocks 4 through L type side plate 21, so that middle plug -in board 22 can be positioned and moved between two side edge limiting blocks 4 through L type side plate 21, and the inboard of middle plug -in board 22 is provided with positioning sleeve groove 23, and the area of middle plug -in board 22 through positioning sleeve groove 23 can be centrally positioned and sliding position.

[0039] Specific, lock rotating handle 6 includes metal handle 61, connecting shaft 62, positioning dial 63, contact end block 64 and connecting disc 65, the outer wall of connecting disc 65 is fixedly connected with contact end block 64, connecting disc 65 can be contacted with door and window lock insertion board 2 forward by contact end block 64, the lower end of connecting disc 65 is fixedly connected with connecting shaft 62, the periphery of connecting shaft 62 is fixedly connected with positioning dial 63, connecting shaft 62 is movably connected on T-shaped mounting panel 1 by positioning dial 63, so that connecting shaft 62 can be positioned and rotated in T-shaped mounting panel 1 by positioning dial 63, the lower end of connecting shaft 62 is fixedly connected with metal handle 61, which is convenient for personnel to hold and rotate.

[0040] Specific, side limiting block 4 includes mounting screw 41, limiting sliding groove 42 and L-shaped positioning block 43, mounting screw 41 is mounted in the through hole of both ends of L-shaped positioning block 43, L-shaped positioning block 43 is installed and connected on T-shaped mounting panel 1 by mounting screw 41, so that L-shaped positioning block 43 can be stably installed and placed, limiting sliding groove 42 is formed in the inner side of the lower end of L-shaped positioning block 43, so that door and window lock insertion board 2 can be positioned and moved.

[0041] Specific, the front end of door and window lock insertion board 2 is sleeved in the front end slot hole of T-shaped mounting panel 1, so that door and window lock insertion board 2 can be positioned and moved in the front end slot hole of T-shaped mounting panel 1.

[0042] Specific, two side limiting blocks 4 are installed, and the side limiting blocks 4 are symmetrically installed on the two sides of door and window lock insertion board 2, so that door and window lock insertion board 2 can be effectively side-limited by side limiting block 4.

[0043] Working principle: in use, T-shaped mounting panel 1 is installed on the door and window frame, when personnel rotates lock rotating handle 6, contact end block 64 of lock rotating handle 6 can be contacted with door and window lock insertion board 2 to move outward, door and window lock insertion board 2 can be inserted in the hole of door and window frame, to achieve locking effect, when lock rotating handle 6 is rotated to the original position, rebound mechanism 5 can pull door and window lock insertion board 2 to restore, door and window lock insertion board 2 can be limited and moved back and forth on both sides through side limiting block 4, the inner side of the upper end of door and window lock insertion board 2 is provided with positioning sliding buckle 3, which can limit the movement of door and window lock insertion board 2 in the middle, to ensure that door and window lock insertion board 2 stably maintains a straight line state during movement, avoids position deviation, so that the whole is more stable and convenient during locking.

[0044] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A door and window locking mechanism comprising a T-shaped mounting panel (1) and side limiting blocks (4) mounted and connected on both sides of the upper end of the T-shaped mounting panel (1), characterized in that, The inner side of the side limiting block (4) is provided with a door and window locking plug-in plate (2), the upper end inner side of the door and window locking plug-in plate (2) is provided with a positioning sliding buckle (3), the rear end of the positioning sliding buckle (3) is provided with a rebound mechanism (5), and the rear side of the door and window locking plug-in plate (2) is provided with a locking rotating handle (6) on the T-shaped mounting panel (1). The positioning sliding buckle (3) comprises a fixed screw (31), an intermediate panel (32) and a positioning sliding block (33), the front end lower side of the intermediate panel (32) is provided with a positioning sliding block (33), the rear end inner side of the intermediate panel (32) is provided with a fixed screw (31), the intermediate panel (32) is installed and connected on the rebound mechanism (5) through the fixed screw (31), and the positioning sliding block (33) is sleeved on the inner side of the door and window locking plug-in plate (2).

2. A door and window locking mechanism according to claim 1, characterized in that The rebound mechanism (5) comprises a convex baffle (51) and a pull-back spring (52), the front end two sides of the convex baffle (51) are provided with pull-back springs (52), the front end of the pull-back spring (52) is fixedly connected on the door and window locking plug-in plate (2), and the lower end of the convex baffle (51) is fixedly connected on the T-shaped mounting panel (1).

3. A door and window locking mechanism according to claim 2, wherein The door and window locking plug-in plate (2) comprises an L-shaped side plate (21), an intermediate plug-in plate (22) and a positioning sleeve groove (23), the rear end two sides of the intermediate plug-in plate (22) are provided with L-shaped side plates (21), the inner side of the intermediate plug-in plate (22) is provided with a positioning sleeve groove (23), and the intermediate plug-in plate (22) is sleeved between the two side limiting blocks (4) through the L-shaped side plates (21).

4. The door and window locking mechanism according to claim 1, wherein The locking rotating handle (6) comprises a metal grip rod (61), a connecting shaft rod (62), a positioning rotating disc (63), an abutting end block (64) and a connecting disc (65), the outer wall of the connecting disc (65) is provided with the abutting end block (64), the lower end of the connecting disc (65) is provided with the connecting shaft rod (62), the circumferential side of the connecting shaft rod (62) is provided with the positioning rotating disc (63), the lower end of the connecting shaft rod (62) is provided with the metal grip rod (61), and the connecting shaft rod (62) is movably connected on the T-shaped mounting panel (1) through the positioning rotating disc (63).

5. The door and window locking mechanism according to claim 3, wherein The side limiting block (4) comprises an installation screw (41), a limiting sliding groove (42) and an L-shaped positioning block (43), the both-end through holes of the L-shaped positioning block (43) are provided with installation screws (41), the lower end inner side of the L-shaped positioning block (43) is provided with a limiting sliding groove (42), and the L-shaped positioning block (43) is installed and connected on the T-shaped mounting panel (1) through the installation screw (41).

6. The door and window locking mechanism according to claim 1, wherein The front end of the door and window locking plug-in plate (2) is sleeved in the front end slot hole of the T-shaped mounting panel (1).

7. The door and window locking mechanism according to claim 1, wherein The side limiting block (4) is provided with two, and the side limiting blocks (4) are symmetrically arranged on the two sides of the door and window locking plug-in plate (2).

Citation Information

Patent Citations

  • Door and window locking mechanism

    CN211874199U