CN212867172U

CN212867172U - Automatic locking device for door and window

Info

Publication number: CN212867172U
Application number: CN202020883995.1U
Authority: CN
Inventors: 何炬; 林明仕; 何柚; 黄建辉
Original assignee: Zhaoqing Xiezheng Building Hardware Products Co ltd
Current assignee: Zhaoqing Xiezheng Building Hardware Products Co ltd
Priority date: 2020-05-24
Filing date: 2020-05-24
Publication date: 2021-04-02
Anticipated expiration: 2030-05-24

Abstract

The utility model discloses an automatic locking device for doors and windows, which comprises a transmission rod, wherein the transmission rod is used for being arranged on an external movable door and window sash; the first locking assembly comprises a first lock seat, a lock tongue, a buckle seat, a first elastic component and a second elastic component, the first lock seat is used for being installed on a door and window frame, and the lock tongue is installed on the first lock seat; a first elastic part is connected between the lock tongue and the first lock seat, the buckle seat is arranged on the transmission rod, and a lock groove is formed in the buckle seat; one end of the second elastic component is connected to the transmission rod, and the other end of the second elastic component is connected to the buckle seat; and the second locking assembly comprises a second lock seat and a lock rod, the second lock seat is arranged on the door and window frame, and the lock rod is arranged on the transmission rod. The utility model discloses an automatic locking device for door and window, it can carry out the automatic locking.

Description

Automatic locking device for door and window

Technical Field

The utility model relates to a door and window technical field especially relates to an automatic locking device is used to door and window.

Background

At present, common doors and windows have a push-pull type and a rotating type, and the rotating type doors and windows generally comprise fixed door and window frames and movable door and window sashes capable of rotating relative to the door and window frames, and the doors and the windows are opened by rotating the movable door and window sashes. And current movable door and window fan is opening the back, because do not fix and be in free state, appears the closed condition easily under the external force's such as wind condition, and when wind-force was great, the movable door and window fan can be reciprocating rotation under the effect of wind-force, strikes the door and window frame, and door and window frame and movable door and window fan all can be impaired. In addition, under the condition of fire, the general doors and windows cannot be automatically locked, so that dense smoke enters from the doors and windows, and the safety is endangered.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an automatic locking device for doors and windows, which can be automatically locked.

The purpose of the utility model is realized by adopting the following technical scheme:

an automatic locking device for doors and windows, comprising,

the transmission rod is used for being arranged on the external movable door and window sash; the transmission rod can move up and down along the height direction of the movable door and window sash under the action of external force;

the first locking assembly comprises a first lock seat, a lock tongue, a buckle seat, a first elastic component and a second elastic component, the first lock seat is used for being installed on a door and window frame, and the lock tongue is installed on the first lock seat; a first elastic part is connected between the lock tongue and the first lock holder and is used for providing a first elastic stress for enabling the lock tongue to move away from the first lock holder; the buckle seat is arranged on the transmission rod and can move relative to the transmission rod along the height direction of the transmission rod, and a locking groove is formed in the buckle seat; one end of the second elastic component is connected to the transmission rod, and the other end of the second elastic component is connected to the buckle seat so that the locking groove on the buckle seat corresponds to the lock tongue; the transmission rod is used for driving the buckle seat to move upwards when moving upwards; the lock tongue is used for jacking the lock tongue when the buckle seat moves upwards so as to enable the lock tongue to exit from the lock groove; the second elastic component is used for being compressed when the transmission rod moves upwards; the second elastic component is used for providing a second elastic stress for driving the transmission rod to move downwards when the second elastic component is reset, so that the buckle seat is abutted to the top end of the lock tongue;

the second locking assembly comprises a second lock seat and a lock rod, the second lock seat is installed on the door and window frame, the lock rod is installed on the transmission rod, and the lock rod is used for locking the transmission rod to the second lock seat after moving upwards and is used for being separated from the second lock seat after the transmission rod moves downwards.

Preferably, the bottom end of the lock tongue is provided with a pressed inclined surface, and the pressed inclined surface is gradually close to the transmission rod from top to bottom; the buckle seat is used for jacking the pressed inclined plane after the transmission rod moves upwards so as to enable the lock tongue to move close to the first lock seat.

Preferably, the buckle seat is provided with a pressing piece, the pressing piece gradually inclines towards the transmission rod from bottom to top, and the pressing piece is used for pressing the pressed inclined plane when the transmission rod moves upwards.

Preferably, a lock tongue cavity is formed in the first lock seat, and one end of the first elastic component is connected to the bottom wall of the lock tongue cavity; the other end of the first elastic component is connected to the bolt; the lock tongue is used for being accommodated in the lock tongue cavity when being pressed by the buckling seat, so that the first elastic component is in a compressed state.

Preferably, a handle is arranged on the transmission rod and used for driving the transmission rod to move up and down in the rotating process.

Preferably, the first elastic member and the second elastic member are both springs.

Compared with the prior art, the beneficial effects of the utility model reside in that: it is meeting under conflagration or wind-force the condition, the activity door and window fan can rotate towards the door and window frame, and the first locking Assembly of activity door and window fan and door and window frame accessible or the locking of second locking Assembly, and the unblock is convenient, and prevents that door and window from damaging, reduces the potential safety hazard that exists when the conflagration takes place simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of another use state of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is a schematic structural view of another use state of the present invention;

fig. 6 is an enlarged schematic view of the structure at C in fig. 5.

In the figure: 10. a transmission rod; 21. a first lock base; 211. a lock tongue cavity; 22. a latch bolt; 23. a buckle seat; 231. locking the groove; 232. pressing the sheet; 24. a first elastic member; 25. a second elastic member; 31. a second lock seat; 32. a locking bar.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 6, an automatic locking apparatus for doors and windows includes a driving rod 10, a first locking member and a second locking member, the driving rod 10 is installed on an external movable door and window sash, and the driving rod 10 can move up and down in a height direction of the movable door and window sash by an external force.

The first locking assembly comprises a first lock base 21, a bolt 22, a buckle base 23, a first elastic component 24 and a second elastic component 25, the first lock base 21 can be installed on a door and window frame, the bolt 22 is installed on the first lock base 21, the first elastic component 24 is connected between the bolt 22 and the first lock base 21, the first elastic component 24 can provide first elastic stress, and the bolt 22 can be driven by the first elastic stress to move away from the first lock base 21.

The buckle base 23 is mounted on the transmission rod 10 and can move relative to the transmission rod 10 along the height direction of the transmission rod 10, and a locking groove 231 is formed in the buckle base 23. One end of the second elastic member 25 is connected to the driving rod 10, and the other end of the second elastic member 25 is connected to the buckle seat 23, so that the locking groove 231 of the buckle seat 23 corresponds to the locking tongue 22 when the second elastic member 25 is in the initial state.

When the driving rod 10 moves upward to drive the latch seat 23 to move upward, the latch tongue 22 is used for pressing the latch tongue 22 when the latch seat 23 moves upward, and the first elastic part 24 between the latch tongue 22 and the first latch seat 21 can be compressed to make the latch tongue 22 exit the latch groove 231. While the second elastic element 25 can be compressed during the upward movement of the transmission rod 10.

Thereafter, the driving rod 10 has no external force, when the second elastic component 25 can be reset, the second elastic component 25 provides a second elastic stress when being reset, and under the action of the second elastic stress, the driving rod 10 moves downwards with the second elastic stress, so that the buckle seat 23 is abutted to the top end of the lock tongue 22.

In addition, the second locking assembly includes a second lock seat 31 and a lock lever 32, the second lock seat 31 can be mounted on the door and window frame, the lock lever 32 is mounted on the transmission rod 10, the lock lever 32 can be locked to the second lock seat 31 after the transmission rod 10 moves upward, and the lock lever 32 is disengaged from the second lock seat 31 after the transmission rod 10 moves downward.

On the basis of the structure, use the utility model discloses a during door and window is with automatic locking device, can all install first lock seat 21 and second lock seat 31 on the door and window frame, and transfer line 10, detain seat 23 and locking lever 32 and all install on the movable door and window fan, when initial condition, see fig. 1, fig. 2, detain seat 23 and assemble with transfer line 10 through second elastomeric element 25, second elastomeric element 25 can make the locked groove 231 of detaining on the seat 23 correspond with the position of spring bolt 22, second lock seat 31 staggers with locking lever 32, otherwise the movable door and window fan can't be opened. The movable door and window is in an open state, so that the latch 22 cannot enter the locking groove 231 by the first elastic member 24, and the lock lever 32 is separated from the second lock holder 31. In case of fire, after the glass ball of the temperature-controlled window closer bursts and the automatic window closer is triggered, the movable window and door leaf can rotate towards the window and door frame, and at the moment, the lock tongue 22 can be correspondingly locked in the lock groove 231.

When unlocking, referring to fig. 3 and 4, the driving rod 10 can be moved upward by operating the driving rod 10, the second elastic part 25 is compressed when the driving rod 10 moves upward, and the latch seat 23 also presses the latch bolt 22 upward, so that the first elastic part 24 between the latch bolt 22 and the first latch seat 21 is compressed, the latch bolt 22 can exit from the latch slot 231, and the first latch seat 21 and the latch seat 23 can be unlocked, and in this process, the lock rod 32 can be locked with the second latch seat 31, secondary locking is performed, and the safety performance is better.

Thereafter, referring to fig. 5 and 6, the driving rod 10 is not subjected to an external force, the second elastic member 25 can be reset to drive the driving rod 10 to move downward, the fastening seat 23 is downward, the fastening seat 23 can abut against the top end of the locking tongue 22, and the locking rod 32 is separated from the second lock seat 31, so that the movable door and window sash can be unlocked from the door and window sash, and a person can open the movable door and window sash.

After the opening of the movable door or window leaf, the second elastic member 25 can continue to return to the initial position of the holder 23.

So, at above-mentioned in-process, activity door and window fan and the locking of door and window frame accessible first locking Assembly or second locking Assembly, double insurance, and the unblock is convenient, and prevents that door and window from damaging, reduces the potential safety hazard that exists when the conflagration takes place simultaneously.

Specifically, a pressed inclined surface may be disposed at the bottom end of the locking tongue 22, the pressed inclined surface is inclined from top to bottom and gradually approaches the transmission rod 10, and after the transmission rod 10 moves upward, the buckle seat 23 may press the pressed inclined surface, so that the locking tongue 22 moves closer to the first lock seat 21. That is, when the first locking assembly is unlocked, the driving rod 10 moves upward, the button seat 23 can press the pressed inclined surface upward, the pressed inclined surface can decompose the upward force into a horizontal force, so that the latch bolt 22 moves toward a direction away from the locking groove 231, and the latch bolt 22 can exit the locking groove 231.

It should be noted that, in the case of no above-mentioned pressed inclined plane, the bottom end of the lock tongue 22 may also be provided with a curved surface for the buckle seat 23 to press against, and may also decompose the force for unlocking, that is, only a pressed portion needs to be provided on the lock tongue 22, and the force can be decomposed into a longitudinal force and a transverse force when the buckle seat 23 presses downward, and the structure may be any one of an inclined plane, a curved plane, and a spherical surface.

Further, a pressing piece 232 can be further arranged on the buckle seat 23, the pressing piece 232 gradually inclines towards the transmission rod 10 from bottom to top, the pressing piece 232 is used for pressing the pressed inclined surface when the transmission rod 10 moves upwards, namely when the transmission rod 10 moves upwards, the pressing piece 232 arranged in an inclined mode can be matched with the pressed inclined surface, transverse force can be decomposed to press the lock tongue 22, unlocking is faster, and matching is smoother.

Of course, when the second elastic member 25 is reset to drive the transmission rod 10 to move downwards, the fastening seat 23 can also move downwards, and the pressing piece 232 can abut against the top end of the lock tongue 22.

Preferably, a latch cavity 211 may be further formed on the first lock base 21, one end of the first elastic member 24 is connected to a bottom wall of the latch cavity 211, and the other end of the first elastic member 24 is connected to the latch 22. Thus, when the latch 22 is pressed by the buckle 23, the latch is received in the latch cavity 211, so that the first elastic component 24 is in a compressed state, and the first elastic component 24 can extend and contract in the latch cavity 211, thereby preventing the situation of deflection and dislocation.

Preferably, still be equipped with the handle on transfer line 10, the handle can drive transfer line 10 up-and-down motion at the rotation in-process, and the handle in this embodiment can be connected with transfer line 10 through the eccentric shaft specifically, and the handle rotates, and the eccentric shaft alright drive transfer line 10 up-and-down.

Preferably, the first elastic member 24 and the second elastic member 25 in this embodiment are both springs, and can be purchased directly from the existing market, so that the cost is low, and the elastic performance is good.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. An automatic locking device for doors and windows is characterized by comprising,

2. The automatic locking device for doors and windows of claim 1, wherein the bottom end of the latch is provided with a pressed slope, and the pressed slope is gradually inclined from top to bottom to be close to the transmission rod; the buckle seat is used for jacking the pressed inclined plane after the transmission rod moves upwards so as to enable the lock tongue to move close to the first lock seat.

3. The automatic locking device for doors and windows according to claim 2, wherein the holder is provided with a pressing piece which is inclined from bottom to top toward the driving lever, the pressing piece being adapted to press the pressed inclined surface when the driving lever moves upward.

4. The automatic locking device for doors and windows according to any one of claims 1 to 3, wherein the first lock holder is provided with a latch cavity, and one end of the first elastic member is connected to a bottom wall of the latch cavity; the other end of the first elastic component is connected to the bolt; the lock tongue is used for being accommodated in the lock tongue cavity when being pressed by the buckling seat, so that the first elastic component is in a compressed state.

5. The automatic locking apparatus for windows and doors according to any one of claims 1 to 3, wherein a knob is provided on the transmission rod, and the knob is used to move the transmission rod up and down during rotation.

6. The automatic locking device for windows and doors according to any one of claims 1 to 3, wherein said first elastic member and said second elastic member are both springs.