CN210264275U

CN210264275U - Window opening limiting device with lock

Info

Publication number: CN210264275U
Application number: CN201920902521.4U
Authority: CN
Inventors: 陈大川
Original assignee: Guangdong Aurican Hardware Technology Co ltd
Current assignee: Guangdong Aurican Hardware Technology Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-07
Anticipated expiration: 2029-06-14

Abstract

The utility model provides a window of area lock opens stop device, including fan link assembly, frame link assembly, joint knot and key, fan link assembly includes riveted fan connecting rod, pop-up cantilever and lower support cantilever in proper order, the pop-up cantilever is close to the one end of lower support cantilever is constructed and is had lower bending part, construct on the lower support cantilever with lower bending part complex breach for the casement opens the time that lower bending part gets into the breach and is blockked by the breach, restriction casement opened maximum angle; the frame connecting rod assembly comprises a U-shaped clamp spring, one end of the clamping buckle is connected with the lower support cantilever, and the other end of the clamping buckle is embedded into the U-shaped clamp spring; and a lock for releasing the limitation of the U-shaped clamp spring on the clamping buckle is also arranged on the frame connecting rod assembly. The device has the advantages of simple structure, convenience in cleaning, simplicity in operation and safety in realizing the window opening limiting.

Description

Window opening limiting device with lock

Technical Field

The utility model relates to a stop device is opened to window is one kind particularly with the degree of opening restriction of window within a certain design angle scope, convenient clean and safe in utilization's stop device.

Background

The limiting window support commonly used in the past is mainly assembled by a sliding rail, a sliding block and a supporting cantilever: one end of the supporting cantilever is correspondingly hinged with the sliding block and then is arranged in the sliding rail; the other end of the supporting cantilever is correspondingly hinged with the short supporting cantilever. The slide block is provided with an adjusting screw which plays a role in adjusting friction force. Although the limiting window support can limit the opening degree of the window (prevent children from falling from the window); (friction between the sliding block and the sliding rail) can prevent the high-rise window from being damaged due to sudden wind. But it is impossible to clean the outside of the window due to the small opening degree of the window.

In order to solve the problems, various detachable limiting devices are available on the market at present, so that the window sash can be opened to the maximum without limitation when being cleaned or in other needs. However, the limiting device has a complex structure and high production cost; some operations are inconvenient; and in some cases, the hidden trouble that the child accidentally opens the sleeve still exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stop device is opened to window that simple structure, convenient cleaning, easy operation and safety.

In order to achieve the above purpose, the embodiment of the utility model provides a window opening limiting device with a lock, which comprises a fan connecting rod component, a frame connecting rod component, a clamping buckle and a key,

the window sash connecting rod assembly comprises a window sash connecting rod, an upper supporting cantilever and a lower supporting cantilever which are riveted in sequence, a lower bending part is formed at one end, close to the lower supporting cantilever, of the upper supporting cantilever, and a notch matched with the lower bending part is formed in the lower supporting cantilever, so that when the window sash is opened until the lower bending part enters the notch and is blocked by the notch, the maximum opening angle of the window sash is limited;

the frame connecting rod assembly comprises a U-shaped clamp spring, one end of the clamping buckle is connected with the lower support cantilever, and the other end of the clamping buckle is embedded into the U-shaped clamp spring; and a lock for releasing the limitation of the U-shaped clamp spring on the clamping buckle is also arranged on the frame connecting rod assembly.

Further, a convex ball is arranged on the surface of one end, close to the lower supporting cantilever, of the upper supporting cantilever, and when the upper supporting cantilever and the lower supporting cantilever rotate relatively, the convex ball contacts the lower supporting cantilever and rotates along a contact surface to generate friction.

Further, the upper end of joint knot is cylindrical arch, and the centre is annular groove, and the lower extreme is conical head, hold in the palm the cantilever down with cylindrical protruding connection, conical head along the inner edge entering of U-shaped jump ring the below of U-shaped jump ring makes annular groove inlays the U-shaped jump ring is inboard.

Furthermore, the frame connecting assembly further comprises a frame connecting rod and a clamp spring cover, wherein the frame connecting rod and the clamp spring cover are connected together to form a space for accommodating the U-shaped clamp spring; the frame connecting rod with the jump ring covers all to be equipped with the through-hole that the joint detains the position and corresponds.

Furthermore, the lock comprises a key hole formed in the frame connecting rod and a key matched with the key hole, and the U-shaped clamp spring can be unfolded by rotating the key so as to remove the limitation of the U-shaped clamp spring on the clamping buckle.

Further, the frame connecting rod is bent into a two-stage plane with a high middle part and two low ends.

Furthermore, the middle of one end of the clamp spring cover is provided with an upward bending part.

Furthermore, the U-shaped clamp spring is located below the middle part of the frame connecting rod, the clamp spring cover is arranged below the U-shaped clamp spring and connected with the frame connecting rod through at least two rivets, and one of the rivets penetrates through the inner part of the semicircular arc of the U-shaped clamp spring, so that the semicircular arc of the U-shaped clamp spring is limited between the rivet and the upward bending part at one end of the clamp spring cover.

Compared with the prior art, the utility model discloses a following beneficial effect has: when the installation can be installed fan link assembly, frame link assembly separately, and is simple and convenient: and opening the window sash, and inserting the clamping buckle riveted at one end of the lower support cantilever into the U-shaped clamp spring in sequence to realize the connection of the window sash connecting rod assembly and the frame connecting rod assembly. When the window sash is opened to the position that the lower part of one end of the upper supporting cantilever is bent to enter and is blocked by the notch of one end of the lower supporting cantilever, the opening angle of the window sash is limited within a design range, and children are prevented from falling from the window. In some embodiments, the small convex ball at one end of the upper supporting cantilever contacts the lower supporting cantilever and rotates along the contact surface, so that the running resistance of the limiting device is increased, and the window sash opened to the designed angle is prevented from being suddenly closed and damaged under the action of (sudden wind).

Drawings

Fig. 1 is a schematic top view of a window opening limiting device with a lock according to the present invention;

FIG. 2 is a schematic view of a part of the lift arm;

FIG. 3 is a schematic view of a part of the lower cantilever;

FIG. 4a is a schematic view of a part of the snap fastener;

FIG. 4b is a 3D schematic view of the snap fastener;

FIG. 5 is a schematic view of a frame connecting rod in part;

FIG. 6 is a schematic view of a u-shaped clamp spring;

FIG. 7 is a schematic view of a portion of the cover;

fig. 8 is a schematic front view of the window opening limiting device with a lock according to the present invention;

fig. 9 is a schematic view of a three-dimensional structure of the window opening limiting device with a lock of the present invention.

Detailed Description

The principles and spirit of the present invention will be described with reference to a number of exemplary embodiments shown in the drawings. It should be understood that these embodiments are described only to enable those skilled in the art to better understand the invention and to implement the invention, and are not intended to limit the scope of the invention in any way.

Referring to fig. 1-9, the utility model relates to a window opening limiting device with lock includes fan link assembly, frame link assembly, joint buckle and lock.

Referring to fig. 1-3, the fan connecting rod assembly is formed by riveting a fan connecting rod 1, an upper supporting cantilever 2 and a lower supporting cantilever 3 through rivets. As shown in fig. 2, besides the rivet holes 2-1 and 2-2, the upper supporting cantilever is provided with small convex balls 2-3 (concave-upper and convex-lower) for increasing resistance and a lower bent part 2-4 for limiting the opening angle on two sides of one end; as shown in figure 3, the lower supporting cantilever is provided with notches 3-3 for limiting the opening angle on two sides of one end of the lower supporting cantilever besides the rivet holes 3-1 and 3-2.

Referring to fig. 1 and 5 to 7, the frame link assembly includes a frame link rod 5, a U-shaped clamp spring 6, and a clamp spring cover 7. As shown in fig. 5, the frame connecting rod is bent into a two-level plane with a high middle part and two low ends, and the plane with the high middle part is provided with rivet holes 5-3 and 5-4, through holes 5-5 and key holes 5-6 except for mounting holes 5-1 and 5-2 arranged on the planes with the low ends; as shown in FIG. 7, the snap spring cover is provided with upward bent portions 7-4 and 7-5 at two sides and in the middle of one end in addition to the rivet holes 7-1 and 7-2 and the through hole 7-3. During assembly, the U-shaped clamp spring 6 is positioned below the middle part of the frame connecting rod 5, the clamp spring cover 7 is riveted below the U-shaped clamp spring 6 through rivets, and 1 rivet penetrates through the inner part of a semicircular arc 6-1 of the U-shaped clamp spring, so that the semicircular arc 6-1 of the U-shaped clamp spring is limited between the rivet and an upward bend 7-5 at one end of the clamp spring cover, and the U-shaped clamp spring 6 is limited at symmetrical positions on two sides of a through hole and a key hole on the central line of the frame connecting rod 5.

Referring to fig. 4a and 4b, the upper end of the snap fastener is a cylindrical protrusion 4-1; the middle part is provided with an annular groove 4-2; the lower end is a conical head 4-3. The clamping buckle is riveted on a rivet hole 3-1 arranged at one end of the lower support cantilever through an upper cylindrical bulge 4-1.

Referring to fig. 1-7, the utility model discloses window opening stop device with lock can separately install fan link assembly, frame link assembly when the installation, and is simple and convenient: the sash connecting rod assembly is respectively arranged at the corresponding positions of the window sash and the window frame through the mounting holes 1-1 and 1-2 of the sash connecting rod and the mounting holes 5-1 and 5-2 of the frame connecting rod. The window sash is opened, the clamping buckle 4 riveted at one end of the lower support cantilever is inserted into the frame connecting rod 5 and the through holes 5-5 and 7-3 of the clamp spring cover 7 in sequence (when the conical head 4-3 at the lower end of the clamping buckle extrudes the long arms 6-2 parallel to the two sides of the U-shaped clamp spring towards the two sides and enters the through hole 7-3 of the clamp spring cover, the U-shaped clamp spring 6 rebounds to the original parallel shape, the long arms 6-2 on the two sides of the U-shaped clamp spring are clamped on the annular groove 4-2 of the clamping buckle, so that the clamping buckle 4 can only rotate along with the lower support cantilever 3 and can not move up and down, and the clamping buckle can not be separated from the frame connecting rod assembly). When the window sash is opened until the lower bend 2-4 at one end of the upper supporting cantilever 2 enters and is blocked by the notch 3-3 at one end of the lower supporting cantilever 3, the opening angle of the window sash is limited within the design range, and children are prevented from falling from the window. At the moment, the small convex ball 2-3 at one end of the upper supporting cantilever 2 contacts the lower supporting cantilever 3 and rotates along the contact surface, so that the running resistance of the limiting device is increased, and the window sash opened to a designed angle is prevented from being suddenly closed and damaged under the action of wind power (suddenly wind).

The lock for releasing the U-shaped circlip 6 from the snap catch 4 may be in various forms. In this embodiment, the lock comprises a keyhole 5-6 formed on the surface of the frame connecting rod 5 and a key (not shown) adapted to the keyhole, wherein the key may take various forms, such as an elongated structure having a length greater than the distance between the two long arms of the U-shaped clamp spring, and the upper portion of the elongated structure is vertically connected to a key handle, so that the elongated structure can be opened by rotating the key handle. When the window sash needs to be opened to the maximum for cleaning the window or other reasons, the long arms 6-2 parallel to the two sides of the U-shaped clamp spring are opened towards the two sides by rotating the key, and the clamping buckle 4 is pulled out to separate the sash connecting rod assembly and the frame connecting rod assembly, so that the window sash can be opened to the maximum.

The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a stop device is opened to window of area lock, includes fan link assembly, frame link assembly, joint and detains and the key, its characterized in that:

2. The device of claim 1, wherein a surface of the upper cantilever near an end of the lower cantilever is provided with a convex ball, and when the upper cantilever and the lower cantilever rotate relatively, the convex ball contacts the lower cantilever and rotates along a contact surface to generate friction.

3. The device of claim 1, wherein the upper end of the snap fastener is a cylindrical protrusion, the middle of the snap fastener is an annular groove, the lower end of the snap fastener is a conical head, the lower supporting cantilever is connected with the cylindrical protrusion, and the conical head enters the lower part of the U-shaped snap spring along the inner edge of the U-shaped snap spring, so that the annular groove is embedded inside the U-shaped snap spring.

4. The device of claim 3, wherein the frame connecting rod assembly further comprises a frame connecting rod and a clamp spring cover, the frame connecting rod and the clamp spring cover are connected together to form a space for accommodating the U-shaped clamp spring; the frame connecting rod with the jump ring covers all to be equipped with the through-hole that the joint detains the position and corresponds.

5. The window opening limiter with lock of claim 4, wherein the lock includes a keyhole formed on the frame connecting rod and a key engaged with the keyhole, and the key is rotated to spread the U-shaped clamp spring to release the U-shaped clamp spring from the limit of the clamp buckle.

6. The device as claimed in claim 4, wherein the frame connecting rod is bent into a two-stage plane having a high middle portion and lower ends.

7. The device of claim 4, wherein the spring cover is provided with an upward bending part at the middle of one end thereof.

8. The device according to claim 7, wherein the U-shaped clamp spring is located below the middle portion of the frame connecting rod, the clamp spring cover is disposed below the U-shaped clamp spring and connected to the frame connecting rod through at least two rivets, and one of the rivets passes through an inner portion of a semicircular arc of the U-shaped clamp spring, so that the semicircular arc of the U-shaped clamp spring is confined between the rivet and the upward bent portion at one end of the clamp spring cover.