CN113958205A

CN113958205A - Anti-locking mechanical lock for sliding sash

Info

Publication number: CN113958205A
Application number: CN202111394365.3A
Authority: CN
Inventors: 缪培友; 张凯之; 马鹤通; 张强; 罗凯; 蒲维云; 胡明江; 陈久平; 周仲夏; 孙强; 龙飞
Original assignee: Si Chuan Leawod Window & Door Profile Co ltd
Current assignee: Si Chuan Leawod Window & Door Profile Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-01-21

Abstract

The invention discloses an anti-locking mechanical lock for a sliding sash, which comprises an electronic lock and a mechanical lock body matched with the electronic lock, wherein a spring bolt is arranged on the electronic lock, a limiting check ring is arranged at the end part of the spring bolt, the mechanical lock body comprises an inner door handle, a limiting lock catch and a positioning buckle, the inner door handle is fixedly connected with the limiting lock catch and can slide up and down, a limiting groove for the spring bolt to insert is processed on the limiting lock catch, a limiting strip matched with the limiting check ring is arranged in the limiting groove, the positioning buckle is arranged below the limiting lock catch, a positioning groove is processed at one end of the positioning buckle, three positioning points are processed in the positioning groove, a positioning strip extending into the positioning groove is arranged on the limiting lock catch, a positioning bulge is arranged at the end part of the positioning strip, and the positioning bulge is usually positioned at the positioning point in the middle part. According to the invention, through the mechanical lock body, after the electronic lock fails, the inner door handle can be moved up and down, so that the limiting strip on the limiting lock catch avoids the limiting retainer ring, and the internal door opening or locking operation is realized.

Description

Anti-locking mechanical lock for sliding sash

Technical Field

The invention relates to the field of door and window locks, in particular to an anti-locking mechanical lock for a sliding sash.

Background

Along with the popularization of intelligent doors and windows, more and more sliding sashes are opened and closed in sliding doors and windows in a motor-driven mode, and in order to ensure the use safety of the sliding sashes, an electronic lock is required to be matched with the sliding sashes to realize locking. The conventional electronic lock structure can cause that the push-pull fan cannot be normally opened after the electronic lock structure fails, so that the push-pull fan cannot be opened in emergency, safety accidents are easily caused, and therefore a mechanical lock which can still be opened from the inside after the electronic lock fails is needed.

Disclosure of Invention

The invention aims to provide an anti-locking mechanical lock for a sliding sash, which can be unlocked from the inside in the case of failure of an electronic lock.

The purpose of the invention is realized by the following technical scheme:

an anti-locking mechanical lock for a sliding sash comprises an electronic lock and a mechanical lock body matched with the electronic lock, wherein the electronic lock is parallel to the mechanical lock body, a spring bolt which is perpendicular to the mechanical lock body and can extend into the mechanical lock body is arranged at the extending end of the electronic lock, the spring bolt is in a cylindrical shape, a limiting check ring is arranged at the extending end of the spring bolt, the mechanical lock body comprises an inner door handle, a limiting lock catch and a positioning buckle, the inner door handle is fixedly connected with the limiting lock catch and can drive the limiting lock catch to slide up and down, a limiting groove for the spring bolt to insert is vertically processed on the limiting lock catch, limiting strips matched with the limiting check ring are symmetrically arranged on the two side end faces of the middle part of one end of the electronic lock, the distance between the two limiting strips is matched with the width of the spring bolt and is smaller than the width of the limiting check ring, the positioning buckle is arranged below the limiting lock catch, and a positioning groove with the length equal to the length of the limiting groove is processed towards one end of the limiting lock, the positioning groove is internally and uniformly provided with three positioning points, the limiting lock catch is provided with a positioning strip extending into the positioning groove, the end part of the positioning strip is provided with a positioning bulge which can be clamped into the positioning points, and the positioning bulge is often positioned at the middle positioning point.

The positioning buckle can also be arranged above the limiting lock catch.

And a screw hole is processed at one end of the positioning buckle far away from the limiting lock catch.

The inner door handle is connected with the limiting lock catch through a support rod, and the width of the support rod is matched with the thickness of the sliding sash.

The electronic lock is arranged in the frame body, and the mechanical lock body is arranged on an indoor sliding sash.

And a through groove for the support rod to move is processed on the sliding sash.

The anti-locking mechanical lock for the sliding sash provided by the invention has the beneficial effects that:

(1) by arranging the inner door handle, the limiting lock catch and the positioning buckle on the mechanical lock body, the limiting strip on the limiting lock catch can be enabled to avoid the limiting check ring by moving the inner door handle up and down after the electronic lock fails, so that the door opening or locking operation from the inside can be realized, the sliding sash cannot be normally opened after the electronic lock fails, and the emergency escape is ensured;

(2) the position of the limiting lock catch is limited by the positioning buckle, three positioning points are arranged on the limiting buckle, and the positioning protrusions on the positioning strip on the limiting lock catch are usually arranged in the positioning points in the middle of the limiting buckle, so that unlocking and locking operations of the sliding sash can be completed from the inside when the electronic lock breaks down after being opened and breaks down after being locked, and the application range of the mechanical lock is expanded.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.

Fig. 2 is a schematic diagram of an internal structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a limiting latch according to an embodiment of the present invention.

Fig. 4 is a schematic installation diagram of an electronic lock according to an embodiment of the present invention.

Fig. 5 is a schematic installation diagram of a mechanical lock body according to an embodiment of the present invention.

Reference numerals: 1. an electronic lock; 11. a latch bolt; 12. a limit retainer ring; 2. a mechanical lock body; 21. an inner door handle; 22. limiting and locking; 221. a limiting groove; 222. a limiting strip; 23. positioning a buckle; 231. positioning a groove; 232. positioning points; 232. a screw hole; 24. a positioning bar; 241. positioning the projection; 25. a connecting rod; 3. a frame body; 4. a sliding sash.

Detailed Description

Examples

As shown in fig. 1 to 5, the anti-locking mechanical lock for a sliding sash 4 provided in this embodiment includes an electronic lock 1 and a mechanical lock body 2 matched with the electronic lock 1, when in use, the electronic lock 1 is installed in a frame 3, the frame 3 is a window frame or a door frame, the mechanical lock body 2 is installed on an indoor sliding sash 4, the electronic lock 1 is parallel to the mechanical lock body 2, in order to reduce the thickness of the frame 3, the electronic lock 1 moves up and down along a moving track, the electronic lock 1 can adopt a driving mechanism with a reciprocating motion such as an electric telescopic rod or an electromagnet, the electronic lock 1 has a protruding end provided with a lock tongue 11 perpendicular to the mechanical lock body 2 and capable of extending into the mechanical lock body 2, the lock tongue 11 is cylindrical, the protruding end of the lock tongue 11 is provided with a limiting retainer ring 12, the excircle diameter of the limiting retainer ring 12 is greater than that of the lock tongue 11, and the mechanical lock body 2 includes an inner door handle 21, The inner door handle 21 is fixedly connected with the limiting lock catch 22, the inner door handle 21 can drive the limiting lock catch 22 to slide up and down, the inner door handle 21 is connected with the limiting lock catch 22 through a support rod, the width of the support rod is matched with the thickness of the sliding sash 4, a through groove for the support rod to move is formed in the sliding sash 4, the through groove can ensure that the limiting lock catch 22 can normally move up and down and cannot be clamped, a limiting groove 221 for the lock tongue 11 to insert is vertically formed in the limiting lock catch 22, the stroke of the inner door handle 21 capable of sliding up and down is equal to the length of the limiting groove 221, limiting strips 222 matched with the limiting check ring 12 are symmetrically arranged on the two side end faces of the middle part of one end of the limiting groove 221, the limiting strips 222 are arranged on the side wall close to one side of the limiting check ring 12, the length of the lock tongue 11 can be reduced, and the lock tongue 11 can be prevented from hanging clothes when people walk, spacing between two spacing strips 222 and the width adaptation of spring bolt 11, and be less than the width of spacing retaining ring 12, spacing hasp 22 below is equipped with location buckle 23, and location buckle 23 still can set up in spacing hasp 22 top, location buckle 23 is kept away from spacing hasp 22 one end and is processed screw hole 232, location buckle 23 is processed towards spacing hasp 22 one end and is had the constant head tank 231 that equals with spacing groove 221 length, even processing has three setpoint 232 in the constant head tank 231, be equipped with the location strip 24 that stretches into in the constant head tank 231 on the spacing hasp 22, the location strip 24 tip is equipped with can block into the protruding 241 in location of setpoint 232 location, the protruding 241 in location is located the setpoint 232 at middle part usually.

The using method of the invention is as follows:

when in use, the electronic lock 1 is installed in the frame body 3, the electronic lock 1 is formed into one half of the limit groove 221, then the mechanical lock body 2 is installed on the indoor sliding sash 4, and when the mechanical lock body 2 is installed, the electronic lock 1 is required to be ensured to be in an unlocking state: the bolt 11 is positioned at the top or the bottom of the limit groove 221 processed on the limit lock catch 22; in the locked state of the electronic lock 1: the bolt 11 is positioned in the limit strip 222 in the middle of the limit buckle 22; then the limit buckle 22 is connected with the inner door handle 21 through the connecting rod 25, then the positioning buckle 23 is installed above or below the limit buckle 22, one end of the positioning buckle 23, which is processed with the positioning groove 231, faces the limit buckle 22 when the positioning buckle 23 is installed, the positioning strip 24 is installed on the limit buckle 22, and the positioning protrusion 241 on the positioning strip 24 is placed at the positioning point 232 in the middle of the positioning buckle 23.

The cooperation of electronic lock 1 and mechanical lock body 2 under normal condition is:

when the door is closed: the sliding sash 4 provided with the mechanical lock body 2 is moved to one end of the frame body 3 provided with the electronic lock 1, the sliding sash 4 is driven to move by the motor in the step of the electric door leaf, after the sliding sash 4 moves in place, the bolt 11 is inserted into the limiting groove 221, the electronic lock 1 drives the bolt 11 to move at the moment, the bolt 11 moves to the middle of the limiting groove 221, and the limiting strip 222 on the limiting groove 221 is used for blocking the limiting check ring 12 to complete the closing of the sliding sash 4.

When the door is opened: the electronic lock 1 drives the bolt 11 to move to the top or the bottom of the limit groove 221, at this time, the limit strip 222 avoids the limit retainer ring 12, the sliding sash 4 can be opened, and the sliding sash 4 is driven to move by the motor in the step of the electric door leaf.

The manual unlocking process after the electronic lock 1 fails is as follows:

when the electronic lock 1 is in an open state failure: at this time, the lock tongue 11 is aligned with the top or the bottom of the limiting groove 221, after people enter the room, the inner door handle 21 is lifted or pressed down, so that the positioning protrusion 241 on the positioning strip 24 moves in the positioning groove 231 on the positioning buckle 23, the limiting strip 222 on the limiting lock 22 can be actively moved to the limiting retainer ring 12, the limiting retainer ring 12 is limited by the limiting strip 222, so as to realize locking from the inner door, when the inner door handle 21 moves upwards, the positioning protrusion 241 moves to the positioning point 232 above the positioning groove 231, and when the inner door handle 21 moves downwards, the positioning protrusion 241 moves to the positioning point 232 below the positioning groove 231;

when the electronic lock 1 is in a fault in a closed state: at this time, the lock tongue 11 is aligned with the limiting strip 222 in the middle of the limiting groove 221, when people come out from the room, the inner door handle 21 can be lifted or pressed down, so that the positioning protrusion 241 on the positioning strip 24 avoids the limiting retainer ring 12 on the lock tongue 11, thereby conveniently realizing the unlocking of the inner door, when the inner door handle 21 moves upwards, the positioning protrusion 241 moves to the positioning point 232 above the positioning groove 231, when the inner door handle 21 moves downwards, the positioning protrusion 241 moves to the positioning point 232 below the positioning groove 231, which mainly solves the problem that the door leaf cannot be opened when the electronic lock 1 is closed, which affects the traveling or escaping of people, and when the electronic lock 1 is closed, a safety accident occurs, and people can unlock the door by lifting or pressing down the inner door handle 21, which greatly facilitates the escaping or recourse of people.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and procedures are omitted to avoid unnecessarily limiting the invention.

Claims

1. The utility model provides a dead mechanical lock of anti-lock for sliding sash which characterized in that: the mechanical lock comprises an electronic lock body and a mechanical lock body matched with the electronic lock body, wherein the electronic lock body is parallel to the mechanical lock body, a spring bolt which is perpendicular to the mechanical lock body and can extend into the mechanical lock body is arranged at the extending end of the electronic lock body, the spring bolt is of a cylindrical shape, a limiting check ring is arranged at the extending end of the spring bolt, the mechanical lock body comprises an inner door handle, a limiting lock catch and a positioning buckle, the inner door handle is fixedly connected with the limiting lock catch, the inner door handle can drive the limiting lock catch to slide up and down, a limiting groove for inserting the spring bolt is vertically processed on the limiting lock catch, limiting strips matched with the limiting check ring are symmetrically arranged on the end surfaces of two sides of the middle part of one end of the electronic lock, the distance between the two limiting strips is matched with the width of the spring bolt and is smaller than the width of the limiting check ring, the positioning buckle is arranged below the limiting lock catch, and a positioning groove with the length equal to the limiting groove is processed towards one end of the limiting lock catch, the positioning groove is internally and uniformly provided with three positioning points, the limiting lock catch is provided with a positioning strip extending into the positioning groove, the end part of the positioning strip is provided with a positioning bulge which can be clamped into the positioning points, and the positioning bulge is often positioned at the middle positioning point.

2. An anti-lock mechanical lock for a sliding sash according to claim 1, wherein: the positioning buckle can also be arranged above the limiting lock catch.

3. An anti-lock mechanical lock for a sliding sash according to claim 1, wherein: and a screw hole is processed at one end of the positioning buckle far away from the limiting lock catch.

4. An anti-lock mechanical lock for a sliding sash according to claim 1, wherein: the inner door handle is connected with the limiting lock catch through a support rod, and the width of the support rod is matched with the thickness of the sliding sash.

5. The mechanical anti-lock for a sliding sash according to claim 4, wherein: and a through groove for the support rod to move is processed on the sliding sash.