Locking device of side-hung sliding door

By setting inclined surfaces and pulley grooves on the moving and fixed connecting parts of the swing sliding door, and combining them with a locking tongue and damping mechanism, the problem of the swing sliding door being easily blown open by the wind after being closed is solved, achieving a stable and safe locking effect.

CN223634499UActive Publication Date: 2025-12-05LANGFANG PIDI SHIJIA DOORS & WINDOWS CO LTD
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Patent Information

Application Number
CN202423160491.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-06-26
Filing Date
2024-12-20
Publication Date
2025-12-05
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing swing sliding doors cannot maintain a stable state after being closed, and are easily blown open by the wind or opened accidentally.

Method used

Design a locking device for a swing sliding door, which uses mutually cooperating inclined surfaces on the moving and fixed connecting parts, and a locking groove and locking tongue in the pulley groove. The locking tongue is connected to the pressing edge of the fixed connecting part by a return spring, and combined with a damping seat and damping mechanism, it provides a stable and reliable locking mechanism.

Benefits of technology

It improves the stability and safety of doors and windows when closed, prevents accidental opening, and enhances the stability and service life of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a locker of a side-hung sliding door, which comprises a fixed connecting piece arranged on a fixed door and a movable connecting piece arranged on a sliding door, a lock groove is arranged on one side of the movable connecting piece, a spring bolt is connected in the lock groove towards a pulley groove through a reset spring, the fixed connecting piece is provided with a pressing edge in an extending mode, and the movable connecting piece is provided with a damping seat in an extending mode. The fixed connecting piece is provided with a positioning groove, the fixed connecting piece is provided with a damping mechanism in a penetrating mode, and the damping mechanism is matched with the damping seat. The lock tongue connected through the reset spring in the lock groove is combined with the pressing edge on the fixed connecting piece, when the movable connecting piece is close to the fixed connecting piece, the pressing edge presses the lock tongue, it is guaranteed that after the door and window are opened, the sliding door is locked and cannot slide or fall off, and safety is enhanced; the sliding door cannot be accidentally opened due to external force after being closed due to the design of a step and a buckling groove on the movable connecting piece and a buckling tongue connected with the corresponding buckling groove on the fixed connecting piece.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a flat -open push -pull door window technical field, concretely relates to a flat -open push -pull door's lock. BACKGROUND

[0002] In modern home decoration, push -pull door window because its space -saving, convenient to use etc. Characteristic and are widely used in various buildings. With the progress of science and technology and the diversification of consumer demand, the function and design of traditional push -pull door have not been able to fully meet the market demand. Therefore, research and development personnel are committed to combining push -pull door with other types of door to create more functional and aesthetic new door and window products. Among them, flat -open push -pull door (PT door or PD door) is such an innovative product, which combines the opening mode of the flat -open door and the sliding characteristics of the push -pull door, providing a more flexible use experience.

[0003] In the existing flat -open push -pull door structure, usually including the fixed door of the fixed connecting piece and the sliding door of the movable connecting piece. When the adjacent side of the fixed door and the sliding door is aligned, the movable connecting piece and the fixed connecting piece are close to each other, so as to realize the closing of the flat -open door window. However, the existing flat -open push -pull door structure has certain problems in the opening and closing process. For example, the door and window cannot maintain a stable state after closing, and are easy to be blown open or accidentally opened. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of flat -open push -pull door's lock, to solve the existing flat -open push -pull door in closing cannot maintain stable state, and it is easy to be blown open or accidentally opened Problem.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] Provide a kind of flat -open push -pull door's lock, including the fixed door of the fixed connecting piece and the sliding door of the movable connecting piece, the movable connecting piece and the fixed connecting piece are close to each other when the adjacent side of the fixed door and the sliding door is aligned, the movable connecting piece and the fixed connecting piece are respectively provided with the inclined surface of mutual cooperation, the movable connecting piece and the fixed connecting piece are all set with the pulley groove of mutual correspondence, the movable connecting piece is located the one side of sliding door and is provided with lock slot, the lock slot is connected with lock tongue by reset spring towards the pulley groove, the fixed connecting piece is provided with the edge of pressing corresponding to the lock tongue, so that the edge of pressing is pressed to the lock tongue when the movable connecting piece and the fixed connecting piece are close, the movable connecting piece is located the surface of the inclined surface and is provided with damping seat, the both sides of the damping seat are respectively provided with notch, the fixed connecting piece is set with the positioning groove corresponding to the damping seat, the fixed connecting piece is respectively provided with damping mechanism towards the positioning groove, and the damping mechanism is matched with the notch.

[0007] Preferably, the inclined surface of the movable connecting piece and the inclined surface of the fixed connecting piece are respectively located on one side of the pulley groove and are oppositely staggered with positioning edges, and the side surfaces of the two positioning edges are respectively provided with mutually matched inclined surfaces, so that the two inclined surfaces are in contact when the movable connecting piece is close to the fixed connecting piece.

[0008] Preferably, the fixed connecting piece is located at one end of the movable connecting piece opposite to the fixed connecting piece and is circumferentially extended to be provided with a connecting edge connected with the fixed door, and the movable connecting piece is located at one end of the fixed connecting piece opposite to the fixed connecting piece and is circumferentially extended to be provided with a connecting edge connected with the sliding door.

[0009] Preferably, the fixed connecting piece is provided with a slide along the pulley groove.

[0010] Preferably, the movable connecting piece is provided with a limiting stop edge at the end of the inclined surface.

[0011] Preferably, the fixed connecting piece is provided with through holes on both sides of the positioning groove, respectively, and the two through holes are located on one side of the positioning groove in a stepped structure, the damping mechanism comprises a steel ball and a compression spring, the steel ball is arranged in the through hole on one side of the positioning groove, and the through hole on the opposite side of the positioning groove is threadedly connected with a countersunk screw, and the compression spring is arranged between the countersunk screw and the steel ball.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The locking device of the flat open and push-pull door provided by the utility model has the following beneficial effects that: the mutually matched inclined surfaces arranged on the movable connecting piece and the fixed connecting piece and the mutually corresponding pulley grooves are arranged, so that the door and window are more stable when being closed; the locking tongue connected by the reset spring in the locking groove is combined with the pressing edge on the fixed connecting piece, a reliable locking mechanism is provided, when the movable connecting piece is close to the fixed connecting piece, the pressing edge presses the locking tongue, so that the sliding door is not slid off after being locked when the door and window are opened, and the safety is enhanced; the damping seat on the movable connecting piece and the damping mechanism matched with the damping seat on the fixed connecting piece can provide damping effect and prevent the sliding door from being opened accidentally after being closed, and the cooperation of the damping seat and the damping mechanism can reduce friction and prolong the service life. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.

[0015] Figure 1is a perspective view of the utility model;

[0016] Figure 2 is a left view of the utility model;

[0017] Figure 3 is a right view of the utility model;

[0018] Figure 4 is Figure 3 A-A sectional view of the utility model;

[0019] Figure 5 is a perspective view of the fixed connecting piece of the utility model;

[0020] Figure 6 is a perspective view of the movable connecting piece of the utility model.

[0021] In the drawing: 3, fixed connecting piece;4, movable connecting piece;5, inclined surface;6, pulley groove;7, lock slot;8, reset spring;9, lock tongue;10, edge;11, damping seat;12, notch;13, positioning groove;14, positioning edge;15, inclined surface;18, connecting edge;19, slide;20, limiting baffle;21, damping mechanism;22, through hole;23, steel ball;24, compression spring;25, countersunk screw. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model.

[0024] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features.

[0025] The utility model discloses a kind of sliding door connecting pieces, including fixed connecting piece and movable connecting piece, the fixed connecting piece is connected with the movable connecting piece, and the fixed connecting piece is connected with the movable connecting piece. Figures 1 to 6The utility model discloses a lock of horizontal open push-pull door.

[0026] As Figures 1 to 6 The utility model provides a lock of horizontal open push-pull door, including the fixed door of installation with fixed connecting piece 3 and the movable door of installation with movable connecting piece 4, and movable connecting piece 4 and fixed connecting piece 3 are close to each other when the adjacent side of fixed door and movable door is aligned, and movable connecting piece 4 and fixed connecting piece 3 are metal pieces, which can effectively improve the service life, and movable connecting piece 4 and fixed connecting piece 3 are provided with the inclined surface 5 of mutual cooperation respectively, and movable connecting piece 4 and fixed connecting piece 3 are provided with the pulley groove 6 of mutual correspondence, and movable connecting piece 4 is provided with the lock slot 7 on one side of movable door 2, and the lock tongue 9 is connected in lock slot 7 through return spring 8 towards pulley groove 6, and fixed connecting piece 3 is provided with the edge 10 of pressing of extension corresponding lock tongue 9, so that the edge 10 of pressing is pressed tightly lock tongue 9 when movable connecting piece 4 is close to fixed connecting piece 3, and the damping seat 11 of extension is provided with movable connecting piece 4 on the surface of inclined surface, and the notch 12 of both sides is provided with damping seat 11 respectively, and fixed connecting piece 3 is provided with the positioning groove 13 corresponding damping seat 11, and damping mechanism 21 is provided with fixed connecting piece 3 respectively towards positioning groove 13, and damping mechanism 21 cooperates with notch 12.

[0027] Preferably, the inclined surface 5 of movable connecting piece 4 and the inclined surface 5 of fixed connecting piece 3 are respectively provided with positioning edge 14 on one side of pulley groove 6, and the side of two positioning edges 14 is provided with the inclined surface 15 of mutual cooperation, so that two inclined surfaces 15 are contacted when movable connecting piece 4 and fixed connecting piece 3 are close to each other, and the inclined surface 15 of mutual cooperation is helpful to guide movable connecting piece 4 and fixed connecting piece 3 to accurately align when closing, so as to improve the adhesion and overall sealing performance when door leaf closes, and the contact of inclined surface 15 provides additional support point, enhances the structural stability of door in the closed state, especially when subjected to transverse force, such as wind pressure, and the contact of inclined surface 15 physically reduces the impact force of two components, thereby reducing the noise that may be generated in the opening and closing process.

[0028] Preferably, the connecting edge 18 connected with fixed door is circumferentially extended on the opposite end of fixed connecting piece 3 relative to movable connecting piece 4, and the connecting edge 18 connected with movable door is circumferentially extended on the opposite end of movable connecting piece 4 relative to fixed connecting piece 3.

[0029] Preferably, the slide 19 is extended along the pulley groove 6 of fixed connecting piece 3.

[0030] Preferably, the limiting stop edge 20 is extended on the end of inclined surface 5 of movable connecting piece 4, which enhances the structural stability of door in the closed state, especially when subjected to transverse force, such as wind pressure.

[0031] Preferably, the fixed connector 3 is provided with a through hole 22 on both sides of the positioning groove 13, the two through holes 22 are in a stepped structure on one side of the positioning groove 13, the damping mechanism 21 comprises a steel ball 23 and a compression spring 24, the through hole on one side of the positioning groove 13 is provided with a steel ball 22, the through hole 22 on the opposite side of the positioning groove 13 is connected with a countersunk screw 25 through threads, and the compression spring 24 is arranged between the countersunk screw 25 and the steel ball 22.

[0032] The utility model provides a kind of lockers of flat open push-pull door, by being provided with mutually matched inclined surface 5 on dynamic connector 4 and fixed connector 3, and setting mutually corresponding pulley groove 6, so that door and window are more stable when closing;The locking tongue 9 connected by reset spring 8 in lock slot 7 is combined with the pressing edge 10 on fixed connector 3, provide a reliable locking mechanism, when dynamic connector 4 and fixed connector 3 are close, pressing edge 10 tightens locking tongue 9, it is ensured that sliding door 2 is locked and not to slide off after opening door and window, and security is enhanced;Damping seat on dynamic connector and the damping mechanism of corresponding damping seat cooperation on fixed connector, can make sliding door, provide damping effect after closing and not accidentally open due to external force.

[0033] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and equivalent structure or equivalent process transformation using the utility model specification content is made, or directly or indirectly used in other related technical fields, and is also included in the patent protection range of the utility model.

Claims

1. A lock for a sliding and swing door comprising a fixed connector attached to a fixed door and a movable connector attached to a movable door, said movable connector and said fixed connector being in close proximity when the adjacent sides of the fixed door and the movable door are aligned, said movable connector and said fixed connector each being provided with an inclined surface which cooperates with the other, characterized in that, The movable connecting piece and the fixed connecting piece are provided with corresponding pulley grooves, the movable connecting piece is provided with a lock slot on one side of the sliding door, the lock slot is connected with a lock tongue through a return spring towards the pulley groove, the fixed connecting piece is provided with a pressing edge corresponding to the lock tongue, the pressing edge presses the lock tongue when the movable connecting piece and the fixed connecting piece are close to each other, the movable connecting piece is provided with a damping seat on the surface of the inclined surface, both sides of the damping seat are provided with notches, the fixed connecting piece is provided with a positioning groove corresponding to the damping seat, the fixed connecting piece is provided with a damping mechanism towards the positioning groove, and the damping mechanism is matched with the notches.

2. A lock for a vertical sliding door according to claim 1, wherein The inclined surface of the movable connecting piece and the inclined surface of the fixed connecting piece are respectively provided with positioning edges on one side of the pulley groove in a staggered manner, the side surfaces of the two positioning edges are respectively provided with matching inclined surfaces, and the two inclined surfaces are in contact when the movable connecting piece and the fixed connecting piece are close to each other.

3. A lock for a vertical sliding door according to claim 1, wherein The fixed connecting piece is provided with a connecting edge connected with the fixed door on one end opposite to the movable connecting piece in a circumferential direction, and the movable connecting piece is provided with a connecting edge connected with the sliding door on one end opposite to the fixed connecting piece in a circumferential direction.

4. A lock for a vertical sliding door according to claim 1, wherein The fixed connecting piece is provided with a slide along the pulley groove.

5. A lock for a vertical sliding door according to claim 1, wherein The movable connecting piece is provided with a limiting stop edge on the end of the inclined surface.

6. A lock for a vertical sliding door according to claim 1, wherein The fixed connecting piece is provided with through holes on both sides of the positioning groove, the two through holes are provided in a stepped structure on one side of the positioning groove, the damping mechanism comprises a steel ball and a compression spring, the steel ball is arranged in the through hole on one side of the positioning groove, the through hole on the side opposite to the positioning groove is connected with a countersunk screw through threads, and the compression spring is arranged between the countersunk screw and the steel ball.