CN219826505U - Latch lock for side-hung door and window - Google Patents

Abstract

The utility model provides a flat-open door window latch, including installing the subassembly on the frame on the door and window frame and installing the subassembly on the fan on the door leaf, the subassembly includes the mounting on the frame, be equipped with first spout on the mounting, first spout one side slidable mounting has the connecting plate, the connecting plate is fixed with the slider at first spout opposite side, be connected with first elastic component between connecting plate and the mounting, the subassembly includes the connecting piece on the fan, the latch piece with be used for outwards popping out the second elastic component of latch piece, be equipped with the locking recess that matches with the latch piece on the slider, be equipped with the inclined terminal that is used for the latch piece to break away from locking state on the locking recess, the latch piece is including the first inclined plane that is used for getting into the locking recess and the second inclined plane that matches with the inclined terminal, set up the latch piece and lock with locking recess, compare more simplify in traditional locking structure, when needing the locking, only need close the door leaf can, when the unblock, the latch piece is driven upwards to remove by the handle on the door leaf and breaks away from with locking state with locking recess, avoid the exogenic effect to strike the problem that door and window damage repeatedly.

Description

Latch lock for side-hung door and window

Technical Field

The utility model relates to a latch for a side-hung door and a side-hung window, and belongs to the field of latches for doors and windows.

Background

In the field of building doors and windows, a fan body and a frame body of a casement door and window or the fan body and the fan body are required to be closed and locked through operation of a transmission handle so as to keep the closed and fixed state of the fan body. Under the condition that the fan body needs to be closed such as strong wind, the fan body needs to be manually controlled to be closed and fixed, so that the fan body is prevented from repeatedly striking the door and window frame opening under the action of wind pressure.

However, the existing window lock or door lock has a complex structure, and the application to a plurality of lighter and thinner doors and windows easily causes the problem that the lock body is inconvenient to install and is not applicable.

Disclosure of Invention

The utility model aims to overcome the defects and the shortcomings of the prior art and provide a latch lock for a side-hung door and a window.

The utility model provides a flat-open door and window latch, includes the subassembly on installing the frame on door and window frame and installs the subassembly on the fan on the door leaf, the subassembly includes the mounting on the frame, be equipped with first spout on the mounting, first spout one side slidable mounting has the connecting plate, the connecting plate is fixed with the slider at first spout opposite side, be connected with first elastic component between connecting plate and the mounting, the subassembly includes connecting piece, latch and the second elastic component that is used for outwards popping up the latch on the fan, be equipped with the locking recess that matches with the latch on the slider, be equipped with the inclined end that is used for the latch to break away from locking state on the locking recess, the latch is including the first inclined plane that is used for getting into locking recess and the second inclined plane that matches with the inclined end, sets up latch and locking recess and locks, and is simpler in traditional locking structure, only need close the door leaf when the unblock, the latch is driven upwards by the handle on the door leaf and is broken away from with locking recess's locking state, easy operation is convenient, avoids external force to strike door and window to cause the problem of damage repeatedly.

Further, the connecting piece both ends are equipped with fixed part, the locking piece passes through rivet and second elastic component rotation connection between two fixed parts, and when locking, the locking piece atress uses the rivet to rotate as center of rotation.

Preferably, one end of the second elastic piece is abutted with the bottom of the locking piece, the other end of the second elastic piece is abutted with the inner wall of the connecting piece, and the second elastic piece also plays a role in resetting the locking piece.

Further, limiting plates in vertical states are arranged on two sides of the sliding piece, the limiting plates are located below the inclined ends, the limiting plates and the inclined ends form locking grooves, and the limiting plates are used for limiting the transverse movement of the locking blocks, so that the door and window fan is in a locking state.

Preferably, the locking piece further comprises a plane which is in butt joint with the limiting plate when being positioned in the locking groove, and the plane of the locking piece is in butt joint with the limiting plate to limit the movement of the locking piece when in a locking state.

Preferably, the first inclined plane is an arc inclined plane, and the arc inclined plane can enable the locking block to smoothly enter the locking groove.

Preferably, the fixing piece is provided with a hook, the connecting plate is provided with a hook-shaped connecting part, two ends of the first elastic piece are respectively connected with the hook and the connecting part, and the first elastic piece can help the connecting plate to reset with the sliding piece on the connecting plate and keep at an initial position.

Furthermore, the first elastic piece is a tension spring, so that the manufacturing cost of the tension spring is low, the tension spring is easy to obtain, and the production cost of the latch can be reduced.

The beneficial effects of the utility model are as follows: the locking piece and the locking groove are arranged for locking, compared with the traditional locking structure, the locking device is simpler, when the locking device is needed to be locked, only the door leaf needs to be closed, and when the locking device is unlocked, the locking piece is driven by the handle on the door leaf to move upwards to be separated from the locking state of the locking groove, so that the operation is simple and convenient, and the problem that the door and the window are damaged due to the fact that external force acts repeatedly impact is avoided.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is an exploded view of a main structure of the present utility model;

FIG. 2 is a front view of the body structure of the present utility model;

FIG. 3 is a top view of the fan assembly;

FIG. 4 is a schematic view of a locked state;

FIG. 5 is a schematic illustration of an unlocked state;

FIG. 6 is a schematic diagram of a recovery from an initial position state;

in the figure, 1, an on-frame component; 11. a fixing member; 111. a hook; 12. a first chute; 13. a connecting plate; 131. a connection part; 14. a slider; 15. a locking groove; 151. an inclined end; 152. a limiting plate; 16. a first elastic member; 2. a fan assembly; 21. a connecting piece; 211. a fixing part; 22. a locking piece; 221. a first inclined surface; 222. a second inclined surface; 223. a plane; 23. a second elastic member; 24. and (5) a rivet.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.

The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, an embodiment of a latch for a side-hung door and window according to the present utility model includes an upper frame component 1 mounted on a door and window frame and an upper leaf component 2 mounted on a door and window leaf, the upper frame component 1 includes a fixing member 11, a first chute 12 is provided on the fixing member 11, a connecting plate 13 is slidably mounted on one side of the first chute 12, a sliding member 14 is fixed on the other side of the first chute 12 by the connecting plate 13, a first elastic member 16 is connected between the connecting plate 13 and the fixing member 11, the upper leaf component 2 includes a connecting member 21, a locking piece 22 and a second elastic member 23 for ejecting the locking piece 22 outwards, a locking groove 15 matched with the locking piece 22 is provided on the sliding member 14, an inclined end 151 for the locking piece 22 to be separated from the locking state is provided on the locking groove 15, the locking piece 22 includes a first inclined surface 221 for entering the locking groove 15 and a second inclined surface 222 matched with the inclined end 151, and the locking piece 22 is provided to be locked with the locking groove 15.

The two ends of the connecting piece 21 are provided with fixing parts 211, the locking piece 22 is rotatably connected between the two fixing parts 211 through the rivet 24 and the second elastic piece 23, and when the locking piece is locked, the locking piece 22 is stressed to rotate by taking the rivet 24 as a rotation center.

One end of the second elastic piece 23 is abutted with the bottom of the locking piece 22, the other end is abutted with the inner wall of the connecting piece 21, and the second elastic piece 23 also plays a role in resetting the locking piece 22.

Limiting plates 152 in a vertical state are arranged on two sides of the sliding piece 14, the limiting plates 152 are located below the inclined ends 151, the limiting plates 152 and the inclined ends 151 form locking grooves 15, and the limiting plates 152 are used for limiting the transverse movement of the locking blocks 22 to enable the door and window wings to be in a locking state.

The lock block 22 further includes a flat surface 223 abutting the limiting plate 152 when positioned in the locking groove 15, and the flat surface 223 of the lock block 22 abuts the limiting plate 152 to limit the movement of the lock block 22 when in the locked state.

The first inclined surface 221 is a circular arc inclined surface, and is configured to enable the lock piece 22 to smoothly enter the locking groove 15.

The fixing piece 11 is provided with a hook 111, the connecting plate 13 is provided with a hook-shaped connecting part 131, two ends of the first elastic piece 16 are respectively connected with the hook 111 and the connecting part 131, and the first elastic piece 16 can help the connecting plate 13 to reset with the sliding piece 14 on the connecting plate 13 and keep at an initial position.

The first elastic member 16 is a tension spring, which has low manufacturing cost, is easy to obtain, and can reduce the production cost of the latch.

When the fan body is returned to collide with the frame body due to external force, as shown in fig. 4, the locking piece 22 impacts the sliding piece 14, the first inclined surface 221 is abutted against the fixing part 211, so that the locking piece 22 rotates around the riveting shaft through the first inclined surface 221, and the locking piece 22 enters the groove of the sliding piece 14 to be matched with the sliding piece 14 for locking;

as shown in fig. 5, when the transmission handle is operated to unlock, the fanning assembly 2 moves upward by connecting the connecting piece 21 with the transmission link, the locking piece 22 moves upward, and slides out of the locking groove 15 by abutting the second inclined surface 222 with the inclined end 151, and the locking state is released;

as shown in fig. 6, when the connecting piece 21 of the driving handle driving fan assembly 2 is operated to move downwards and return to the initial position, the top end of the sliding piece 14 is pressed by the bottom of the locking piece 22 to move downwards together, the fan body is in an open state at this time, and after the locking piece 22 is separated from the top end of the sliding piece 14, the sliding piece 14 returns to the initial position under the action of the elastic reset piece.

The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.

While the utility model has been described with reference to several particular embodiments, it should be understood that the utility model is not limited to the particular embodiments disclosed. The utility model is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (8)

1. A vertical hinged door and window latch, characterized in that: including installing the subassembly on the frame on door and window frame and installing the subassembly on the fan on the door leaf, the subassembly includes the mounting on the frame, be equipped with first spout on the mounting, first spout one side slidable mounting has the connecting plate, the connecting plate is fixed with the slider at first spout opposite side, be connected with first elastic component between connecting plate and the mounting, the subassembly includes connecting piece, locking piece and the second elastic component that is used for outwards popping up the locking piece on the fan, be equipped with the locking groove that matches with the locking piece on the slider, be equipped with the slope end that is used for the locking piece to break away from locking state on the locking groove, the locking piece is including the first inclined plane that is used for getting into the locking groove and the second inclined plane that matches with the slope end.

2. The swing door and window latch of claim 1, wherein: the connecting piece both ends are equipped with fixed part, the locking piece passes through rivet and second elastic component rotation to be connected between two fixed parts.

3. A swing door and window latch according to claim 2, wherein: one end of the second elastic piece is abutted with the bottom of the locking piece, and the other end of the second elastic piece is abutted with the inner wall of the connecting piece.

4. The swing door and window latch of claim 1, wherein: limiting plates in vertical states are arranged on two sides of the sliding piece, the limiting plates are located below the inclined ends, and the limiting plates and the inclined ends form locking grooves.

5. The swing door and window latch according to claim 4, wherein: the locking piece also comprises a plane which is abutted with the limiting plate when being positioned in the locking groove.

6. The swing door and window latch of claim 1, wherein: the first inclined plane is an arc inclined plane.

7. The swing door and window latch of claim 1, wherein: the fixing piece is provided with a hook, the connecting plate is provided with a hook-shaped connecting part, and two ends of the first elastic piece are respectively connected with the hook and the connecting part.

8. The swing door and window latch according to claim 7, wherein: the first elastic piece is a tension spring.