CN213063229U

CN213063229U - Window sash lock

Info

Publication number: CN213063229U
Application number: CN202021167059.7U
Authority: CN
Inventors: 彭明星
Original assignee: Shaanxi Gugang Profile Co ltd
Current assignee: Shaanxi Gugang Profile Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-04-27
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a window sash lock, which comprises a fixed plate, a tongue-locking plate and a cover plate, wherein the cover plate can slide relatively along the length direction of the fixed plate; the fixed plate is provided with a lock tongue plate hinge hole; one side of the lock tongue plate is provided with a hinged shaft, the other side of the lock tongue plate is provided with a poking rotating shaft, and the lock tongue plate is inserted into a lock tongue plate hinged hole through the hinged shaft and is hinged on the fixed plate; be provided with the arc through-hole on the apron, the arc through-hole is used for: when the cover plate slides relative to the fixed plate in the length direction, the lock tongue plate rotates around the hinge shaft to realize locking or unlocking. The utility model discloses technical scheme has advantages such as the locking is reliable, whole size is little, simple structure, outward appearance are more beautiful for prior art's casement lock.

Description

Window sash lock

Technical Field

The utility model relates to a window field of making, concretely relates to casement lock.

Background

The window sash usually needs to be provided with a window sash lock, when the window sash is closed, the window sash lock is locked, and the window sash is in a reliable locking state. In the prior art, a lock tongue is usually arranged on the side of a push-pull groove of a window sash lock, the upper end of the push-pull groove is hinged on the window sash, and the window sash can be locked or unlocked by rotating the push-pull groove. However, such a rotary window sash lock push-pull groove has a large radius of rotation and cannot be applied to locking a window sash having a narrow size. In addition, the push-pull groove of the rotary window sash lock is not beautiful.

Therefore, how to design a small-sized and aesthetic window sash lock is a technical problem that needs to be solved by those skilled in the art at present.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a lock for a window sash, which can lock or unlock the window sash by rotating a lock tongue plate through a sliding cover plate.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A window sash lock comprises a fixing plate, a lock tongue plate and a cover plate, wherein the cover plate can relatively slide along the length direction of the fixing plate; the fixed plate is provided with a lock tongue plate hinge hole; one side of the lock tongue plate is provided with a hinged shaft, the other side of the lock tongue plate is provided with a poking rotating shaft, and the lock tongue plate is inserted into a lock tongue plate hinged hole through the hinged shaft and is hinged on the fixed plate; be provided with the arc through-hole on the apron, the arc through-hole is used for: when the cover plate slides relative to the fixed plate in the length direction, the lock tongue plate rotates around the hinge shaft to realize locking or unlocking.

Furthermore, the left side and the right side of the fixing plate are provided with guide grooves, the left edge and the right edge of the cover plate are provided with downward vertical edges, and guide convex strips matched with the guide grooves are arranged on the opposite surfaces of the two vertical edges.

Furthermore, the hinged shaft is positioned at the right end of the lock tongue plate, the poking shaft is positioned in the middle of the lock tongue plate, and the arc-shaped through hole is a part of a track of the poking shaft rotating around the hinged shaft in the anticlockwise direction; the cover plate is pulled downwards, the arc-shaped through hole pushes the poking rotating shaft, and the lock tongue plate rotates anticlockwise to extend out of the left edge of the fixing plate; the cover plate is pushed upwards, the arc-shaped through hole pushes the poking rotating shaft, and the lock tongue plate rotates clockwise to withdraw from the left edge of the fixed plate.

Further, the fixing plate is provided with a mounting hole, and a screw for mounting the fixing plate is arranged in the mounting hole.

Further, the mounting hole is a countersunk hole, and the screw is a countersunk screw.

Furthermore, the upper surface of the cover plate is provided with a push-pull groove which is used for pushing the cover plate upwards or downwards.

Furthermore, the lock bolt plate sleeve is arranged on the window frame and used for accommodating the lock bolt plate.

Furthermore, the tongue plate sleeve is provided with a mounting hole.

Furthermore, a rotatable rectangular locking plate is arranged on the cover plate, an inverted T-shaped groove is arranged on the fixing plate, and the inverted T-shaped groove comprises a vertical groove and a transverse groove; the width of the rectangular locking plate is smaller than that of the vertical groove, and the length of the rectangular locking plate is larger than that of the vertical groove; when the rectangular locking plate rotates to be parallel to the vertical groove, the cover plate can slide relative to the fixing plate; when the rectangular locking plate rotates in the transverse groove to be parallel to the transverse groove, the cover plate cannot slide relative to the fixing plate.

When the cover plate moves downwards to enable the lock tongue plate to be screwed out of the edge of the fixing plate, the rectangular lock plate is located in the transverse groove, and the rectangular lock plate can rotate to be parallel to the transverse groove.

The utility model discloses technical scheme has advantages such as the locking is reliable, whole size is little, simple structure, outward appearance are more beautiful for prior art's casement lock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic combination diagram of an embodiment of a window sash lock according to the present invention;

FIG. 2 is an exploded view of an embodiment of the window sash lock of the present invention;

FIG. 3 is a schematic view of the inner structure of the cover plate in an embodiment of the window sash lock of the present invention;

FIG. 4 is a schematic perspective view of a locking tongue plate sleeve in an embodiment of the window sash lock of the present invention;

FIG. 5 shows the state of the rectangular locking plate rotating to be parallel to the transverse groove when the locking plate of the window sash lock of the present invention is locked with the window frame;

fig. 6 shows the state of the rectangular locking plate rotating to be parallel to the vertical groove when the locking plate of the window sash lock of the present invention is unlocked from the window frame.

In the above figures:

1, fixing a plate; 2, covering a plate; 3, a lock tongue plate; 4, a dial rotating shaft; 5, arc-shaped through holes; 6, guiding a guide groove; 7, guiding convex strips; 8, fixing holes; 9 pushing and pulling the groove; 10, a bolt plate sleeve; 11 a rectangular locking plate; 12, an inverted T-shaped groove; 13 key.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, a window sash lock comprises a fixing plate 1, a tongue plate 3 and a cover plate 2, wherein the cover plate 2 can slide relatively along the length direction of the fixing plate 1; a hinge hole of the lock tongue plate 3 is formed in the fixed plate 1; one side of the lock tongue plate 3 is provided with a hinged shaft, the other side of the lock tongue plate 3 is provided with a poking rotating shaft 4, and the lock tongue plate 3 is inserted into a hinged hole of the lock tongue plate 3 through the hinged shaft and is hinged on the fixing plate 1; be provided with arc through-hole 5 on apron 2, arc through-hole 5 is used for: when the cover plate 2 slides relative to the fixing plate 1 in the length direction, the tongue-locking plate 3 rotates around the hinge shaft to realize locking or unlocking.

In the above embodiment, the tongue plate 3 is provided with the poking shaft 4, the tongue plate 3 is hinged on the fixing plate 1 through the hinge shaft, and the cover plate 2 is provided with the arc-shaped through hole 5. The fixing plate 1 is fixed on the window sash, the cover plate 2 slides up and down, the arc-shaped through hole 5 extrudes the poking rotating shaft 4, the poking rotating shaft 4 rotates around the hinged shaft, and the situation that the tongue locking plate 3 extends out or does not extend out of the edge of the fixing plate 1 can be realized. And (3) closing the window sash, sliding the cover plate 2 upwards, and locking the window sash lock when the tongue-locking plate 3 extends out of the edge of the fixing plate 1 and is clamped into the window frame so as to lock the window sash on the window frame. When the window needs to be opened, the cover plate 2 slides downwards, the tongue-locking plate 3 retracts into the edge of the fixing plate 1, and the window sash and the window frame are unlocked. In the window sash lock, the linear motion of the cover plate 2 is converted into the rotary motion of the lock tongue plate 3, and the window sash lock does not need a large rotary radius like a rotary window sash lock in the prior art, so that the window sash lock is smaller in size and more attractive.

Preferably, referring to fig. 1, 2 and 3, guide grooves 6 are formed in the left side and the right side of the fixing plate 1, downward vertical edges are formed on the left edge and the right edge of the cover plate 2, and guide convex strips 7 matched with the guide grooves 6 are formed on the opposite surfaces of the two vertical edges. In the above embodiment, in order to slide the cover plate 2 with respect to the fixing plate 1, the guide grooves 6 are provided on both the left and right sides of the fixing plate 1, the guide protrusions 7 are provided on the inner side of the edge vertical plate of the lower surface of the cover plate 2, and the cover plate 2 can be slid with respect to the fixing plate 1 by inserting the guide protrusions 7 into the guide grooves 6. In this embodiment, the shaft 4 may be detachable, and during assembly, the cover plate 2 is inserted into the guide groove 6 of the fixing plate 1 through the guide protrusion 7, and the cover plate 2 is slid, so that when the tongue plate 3 is visible in the arc-shaped through hole 5, the hinge shaft is mounted on the tongue plate 3.

Further, refer to fig. 1 and 2. The hinged shaft is positioned at the right end of the lock tongue plate 3, the poking rotating shaft 4 is positioned in the middle of the lock tongue plate 3, and the arc-shaped through hole 5 is a part of the track of the poking rotating shaft 4 rotating around the hinged shaft in the anticlockwise direction; refer to fig. 3 and 4. The cover plate 2 is pulled downwards, the arc-shaped through hole 5 pushes the poking rotating shaft 4, and the tongue locking plate 3 rotates anticlockwise and extends out of the left edge of the fixing plate 1; the cover plate 2 is pushed upwards, the arc-shaped through hole 5 pushes the poking rotating shaft 4, and the lock tongue plate 3 rotates clockwise to exit from the left edge of the fixed plate 1.

In the above embodiment, specifically, the tongue plate 3 has two states, that is, when the tongue plate 3 is rotated to be perpendicular to the fixing plate 1, the tongue plate 3 is in a locked state when extending out of the edge of the fixing plate 1, and the tongue plate 3 is in an unlocked state when being rotated into the edge of the fixing plate 1.

Further, a mounting hole 8 is formed in the fixing plate 1, and a screw for mounting the fixing plate 1 is disposed in the mounting hole 8. The mounting hole 8 is a countersunk hole, and the screw is a countersunk screw. In the above embodiment, the fixing plate 1 is provided with the mounting hole 8, and the fixing plate 1 is mounted to the window frame by screws.

Further, the upper surface of the cover plate 2 is provided with a push-pull groove 9. In the above embodiment, the push-pull groove 9 is formed on the upper surface of the cover plate 2, which is not only beautiful, but also saves more labor when the cover plate 2 slides up and down. The push-pull groove 9 is provided so as not to interfere with the installation of the glazing. If the influence on the glass window is not considered, a handle can be arranged on the upper surface of the cover plate 2, so that the cover plate 2 can be pushed upwards or pulled downwards more easily.

Further, referring to fig. 4, the lock bolt device further comprises a lock bolt plate sleeve 10, wherein the lock bolt plate sleeve 10 is installed on a window frame and used for accommodating the lock bolt plate 3. In the above embodiments, in order to protect the window frame and prevent the tongue plate 3 from rubbing the window frame many times to damage the window frame, the tongue plate sleeve 10 may be disposed on the window frame, and the tongue plate 3 may be screwed into the accommodating space of the tongue plate sleeve 10 when rotating.

Further, a mounting hole 8 is formed in the bolt plate sleeve 10. The strike plate 10 is mounted to the window frame by screws.

Further, referring to fig. 5 and 6, a rotatable rectangular locking plate 11 is arranged on the cover plate 2, an inverted T-shaped groove 12 is arranged on the fixing plate, and the inverted T-shaped groove 12 includes a vertical groove and a transverse groove; the width of the rectangular locking plate 11 is smaller than that of the vertical groove, and the length of the rectangular locking plate 11 is larger than that of the vertical groove; when the rectangular locking plate 11 rotates to be parallel to the vertical groove, the cover plate 2 can slide relative to the fixed plate 1; when the rectangular locking plate 11 is rotated in the transverse slot to be parallel to the transverse slot, the cover plate 2 cannot slide relative to the fixing plate 1.

When the cover plate 2 moves downwards to enable the lock tongue plate 3 to be screwed out of the edge of the fixing plate 1, the rectangular lock plate 11 is located in the transverse groove, and the rectangular lock plate 11 can rotate to be parallel to the transverse groove.

In the above embodiment, when the window sash is locked with the window frame, in order to prevent a child from pushing the cover plate 2 upwards to unlock the window sash, a locking assembly is provided between the cover plate 2 and the fixing plate 1. Specifically, a rotatable rectangular locking plate 11 is arranged on the cover plate 2, an inverted T-shaped groove 12 is formed in the fixing plate 1, and when the rectangular locking plate 11 rotates to be parallel to a vertical groove of the inverted T-shaped groove, the cover plate 2 can slide relative to the fixing plate 1; when the cover plate 2 moves downwards until the tongue plate 3 extends out of the edge of the fixing plate 1, namely the tongue plate 3 is locked, at the moment, the rectangular locking plate 11 moves into the transverse groove of the inverted T-shaped groove, the rectangular locking plate is rotated by 90 degrees clockwise or anticlockwise, the rectangular locking plate 11 is parallel to the transverse groove, and the cover plate 2 cannot move relative to the fixing plate 1. Preferably, the rectangular lock plate 11 is provided with a key 13 which can be pulled out, and when the rectangular lock plate 11 is locked, the key 13 is pulled out, so that children can be prevented from opening the window sash by themselves.

Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The window sash lock is characterized by comprising a fixing plate (1), a lock tongue plate (3) and a cover plate (2), wherein the cover plate (2) can relatively slide along the length direction of the fixing plate (1); the fixed plate (1) is provided with a lock tongue plate (3) hinge hole; one side of the lock tongue plate (3) is provided with a hinged shaft, the other side of the lock tongue plate (3) is provided with a poking rotating shaft (4), and the lock tongue plate (3) is inserted into a hinged hole of the lock tongue plate (3) through the hinged shaft and is hinged on the fixed plate (1); be provided with arc through-hole (5) on apron (2), arc through-hole (5) are used for: when the cover plate (2) slides relative to the fixing plate (1) in the length direction, the poking rotating shaft (4) of the lock tongue plate (3) is pushed, so that the lock tongue plate (3) rotates around the hinge shaft to realize locking or unlocking.

2. The sash lock according to claim 1, characterized in that the left and right sides of the fastening plate (1) are provided with guide grooves (6), the left and right edges of the cover plate (2) are provided with downward vertical edges, and the opposite faces of the two vertical edges are provided with guide ribs (7) matching with the guide grooves (6).

3. The sash lock according to claim 1, characterized in that the hinge axis is located at the right end of the tongue plate (3), the toggle spindle (4) is located in the middle of the tongue plate (3), and the arc-shaped through hole (5) is a part of the trajectory of the toggle spindle (4) rotating counterclockwise around the hinge axis; the cover plate (2) is pulled downwards, the arc-shaped through hole (5) pushes the poking rotating shaft (4), and the tongue locking plate (3) rotates anticlockwise and extends out of the left edge of the fixing plate (1); the cover plate (2) is pushed upwards, the arc-shaped through hole (5) pushes the poking rotating shaft (4), and the lock tongue plate (3) rotates clockwise and is screwed into the left side edge of the fixed plate (1).

4. Sash lock according to claim 1, wherein the fastening plate (1) is provided with mounting holes (8), and wherein the mounting holes (8) are provided with screws for mounting the fastening plate (1).

5. The sash lock according to claim 4, characterized in that the mounting hole (8) is a countersunk hole and the screw is a countersunk screw.

6. Sash lock according to claim 1, characterized in that the upper surface of the cover plate (2) is provided with a push-pull groove (9), said push-pull groove (9) being used for pushing up or pulling down the cover plate (2).

7. The sash lock according to claim 1, further comprising a strike plate sleeve (10), the strike plate sleeve (10) being mounted on a window frame for receiving the strike plate (3).

8. The sash lock according to claim 7, characterized in that the bolt plate casing (10) is provided with mounting holes (8).

9. The sash lock according to claim 1, characterized in that the cover plate (2) is provided with a rotatable rectangular locking plate (11), the fastening plate is provided with an inverted T-shaped groove (12), the inverted T-shaped groove (12) comprises a vertical groove and a transverse groove; the width of the rectangular locking plate (11) is smaller than that of the vertical groove, and the length of the rectangular locking plate (11) is larger than that of the vertical groove; when the rectangular locking plate (11) rotates to be parallel to the vertical groove, the cover plate (2) can slide relative to the fixing plate (1); when the rectangular locking plate (11) rotates in the transverse groove to be parallel to the transverse groove, the cover plate (2) cannot slide relative to the fixing plate (1).

10. The sash lock according to claim 9, characterized in that the rectangular locking plate (11) is in the transverse slot, and the rectangular locking plate (11) is rotatable to be parallel to the transverse slot, when the cover plate (2) is moved downwards such that the tongue plate (3) is screwed out of the edge of the fastening plate (1).