A self-locking device for top-hung windows

Abstract

The present application belongs to the technical field of door and window locking device, and particularly relates to a self-locking device for top-hung window. The self-locking device comprises a lower lock seat, an upper lock seat arranged on the lower lock seat, the upper lock seat being in sliding cooperation with the lower lock seat, an aluminum rod arranged above the upper lock seat, and an elastic self-locking assembly arranged on the aluminum rod. The aluminum rod is connected with a handle, and the handle can drive the aluminum rod to move. When the top-hung window encounters strong wind, the top-hung window is attached to the door and window frame, the aluminum rod moves, and the elastic self-locking assembly is driven by the aluminum rod to slide to the locking part on the upper lock seat, so that the self-locking is completed. The window can be automatically closed and locked under strong wind, and the whole energy saving is realized, and the safety is high.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of door and window locking device, and relates to a self-locking device for top-hung window. BACKGROUND

[0002] The top-hung window is one of common doors and windows, and can be applied to various building scenes. The existing top-hung window does not have a self-locking function, especially in the case of strong wind, and cannot be automatically locked. Therefore, it is necessary to design a top-hung window self-locking device which can realize the above functions.

[0003] In order to overcome the deficiencies of the prior art, people have explored various solutions, such as a door and window locking device disclosed in Chinese patent [application number: 201110305908.X], which comprises a driving mechanism and a transmission mechanism. A plurality of locking structures are installed on the driving mechanism. The driving mechanism can drive the locking structures to lock or open the door and window. The door and window locking device further comprises a positioning mechanism. The transmission mechanism comprises a rotating sleeve and a transmission rod two. One end of the transmission rod two is connected with the driving mechanism, and the other end is connected with the rotating sleeve and can drive the rotating sleeve to rotate. The positioning mechanism comprises a sliding rod, a sliding block two arranged on the sliding rod, and a connecting rod connected to the sliding block two. One end of the sliding rod extends into the rotating sleeve and is connected with the rotating sleeve through a circumferential positioning structure one. The sliding block two is connected with the sliding rod through a circumferential positioning structure two and can slide or be fixed on the sliding rod. SUMMARY

[0004] The purpose of the present application is to overcome the above problems, and to provide a top-hung window self-locking device.

[0005] In order to achieve the above purpose, the following technical solutions are adopted in the present application:

[0006] A top-hung window self-locking device, comprising a lower lock seat, wherein an upper lock seat is arranged on the lower lock seat, the upper lock seat is in sliding cooperation with the lower lock seat, an aluminum rod is arranged above the upper lock seat, an elastic self-locking component is arranged on the aluminum rod, a locking portion and an unlocking portion are arranged on the upper lock seat, and the locking portion and the unlocking portion correspond to the positions of the elastic self-locking component, respectively.

[0007] In the above-mentioned top-hung window self-locking device, the elastic self-locking component comprises a locking point seat arranged on the aluminum rod, an elastic lock piece is arranged on the locking point seat, and the locking portion and the unlocking portion correspond to the positions of the elastic lock piece, respectively.

[0008] In the above-mentioned top-hung window self-locking device, the elastic lock piece comprises a locking seat block arranged on the locking point seat, a connecting spring is arranged between the locking seat block and the locking point seat, the locking seat block is in clamping cooperation with the locking portion, and the locking seat block is in sliding cooperation with the unlocking portion.

[0009] In the self-locking device for the top-hung window, the locking part comprises a locking protrusion arranged on the upper locking base, the locking protrusion is internally provided with a locking cavity groove, and the locking base block is in clamping and matching connection with the locking protrusion.

[0010] In the self-locking device for the top-hung window, the locking protrusion is internally provided with two inclined surfaces which are symmetrically arranged along the center of the locking protrusion, and the inclined surfaces are in connection with the locking cavity groove.

[0011] In the self-locking device for the top-hung window, the unlocking part comprises an unlocking plane arranged on the upper locking base, the locking base block is in sliding matching connection with the unlocking plane, and the horizontal height of the locking protrusion is greater than that of the unlocking plane.

[0012] In the self-locking device for the top-hung window, the lower locking base is internally provided with two limiting protrusions, the upper locking base is internally provided with limiting grooves, the limiting protrusions and the limiting grooves are in matching connection and in mutual sliding matching connection.

[0013] In the self-locking device for the top-hung window, the upper locking base is provided with a bottom sliding plate, the bottom sliding plate is arranged between the two limiting protrusions, and a first horizontal spring is arranged between the bottom sliding plate and the limiting protrusions.

[0014] In the self-locking device for the top-hung window, the lower locking base is internally provided with a connecting sliding groove, the bottom sliding plate extends into the connecting sliding groove and is in sliding matching connection with the connecting sliding groove, the connecting sliding groove is internally provided with a second horizontal spring, one end of the second horizontal spring is in abutting matching connection with the lower locking base, and the other end of the second horizontal spring is in abutting matching connection with the bottom sliding plate.

[0015] In the self-locking device for the top-hung window, the bottom of the lower locking base is provided with two riveting sleeves.

[0016] Compared with the prior art, the self-locking device for the top-hung window has the following advantages:

[0017] The aluminum rod in the application is connected with the handle, and the aluminum rod can be moved by the handle. When the top-hung window encounters strong wind, the top-hung window is attached to the door and window frame, the aluminum rod moves, the elastic self-locking assembly is driven by the aluminum rod to slide to the locking part on the upper lock seat, and self-locking is completed. The window can be automatically closed and locked under strong wind, the whole energy saving is realized, the safety is high, and there are mainly four states of opening and locking. The first state is that the top-hung window is closed and automatically locked when encountering strong wind, the second state is that the handle drives the aluminum rod when opening is needed, the aluminum rod drives the elastic self-locking assembly to separate from the locking part on the upper lock seat and enter the unlocking part, at this time, the other two locking points of the window sash are in the locking state, and the window sash is still in the locked state, the third state is that the handle is in the opening state, and the two locking points on both sides are also in the opening state, the elastic self-locking assembly drives the upper lock seat to move away from the initial position, the window sash is opened, and the fourth state is that the upper lock seat moves to the initial position under the action of the spring, and it is a cycle.

[0018] Other advantages, objects, and features of the present application will be apparent from the following description, and will be appreciated by persons skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the assembly schematic diagram of the application.

[0020] Figure 2 is the explosion schematic diagram of the application.

[0021] Figure 3 is the structure schematic diagram of the application.

[0022] Figure 4 is the local structure schematic diagram of the application.

[0023] Figure 5 is the local structure schematic diagram of the application in another direction.

[0024] In the drawing: lower lock seat 1, upper lock seat 2, aluminum rod 3, elastic self-locking assembly 4, locking part 5, unlocking part 6, locking point seat 7, elastic lock piece 8, locking seat block 9, connecting spring 10, locking protrusion 11, locking cavity groove 12, unlocking plane 13, limiting convex strip 14, limiting concave groove 15, bottom sliding plate 16, first horizontal spring 17, connecting sliding groove 18, second horizontal spring 188, riveting sleeve 19, handle 100. DETAILED DESCRIPTION

[0025] The application will be further described below in combination with the drawings.

[0026] As Figures 1-5As shown, a self-locking device for top-hung window comprises a lower lock base 1, an upper lock base 2 provided on the lower lock base 1, the upper lock base 2 being in sliding fit with the lower lock base 1, an aluminum rod 3 provided above the upper lock base 2, an elastic self-locking assembly 4 provided on the aluminum rod 3, a locking portion 5 and an unlocking portion 6 provided on the upper lock base 2, the locking portion 5 and the unlocking portion 6 corresponding to the positions of the elastic self-locking assembly 4 respectively.

[0027] In the embodiment, the aluminum rod 3 is connected with a handle 100, and the handle 100 can drive the aluminum rod 3 to move. When the top-hung window encounters strong wind, the top-hung window is attached to the door and window frame, the aluminum rod 3 moves, and the elastic self-locking assembly 4 is driven by the aluminum rod 3 to slide to the locking portion 5 on the upper lock base 2, thereby completing self-locking. The window can be automatically closed and locked under strong wind, and the whole is energy-saving and safe. There are four states for opening and closing. In the first state, the window is closed and automatically locked when the top-hung window encounters strong wind. In the second state, the handle 100 drives the aluminum rod 3 to drive the elastic self-locking assembly 4 to separate from the locking portion 5 on the upper lock base 2 and enter the unlocking portion 6. At this time, the other two locking points of the window sash are in the locked state, and the window sash is still in the locked state. In the third state, the handle 100 is in the open state, and the two locking points on both sides are also in the open state. The elastic self-locking assembly 4 drives the upper lock base 2 to move away from the initial position, and the window sash is opened. In the fourth state, the upper lock base 2 moves to the initial position under the action of the spring, and it is a cycle.

[0028] In combination Figures 1-5 As shown, the elastic self-locking assembly 4 comprises a locking point base 7 provided on the aluminum rod 3, and an elastic locking piece 8 provided on the locking point base 7. The locking portion 5 and the unlocking portion 6 correspond to the positions of the elastic locking piece 8 respectively.

[0029] Specifically, when the top-hung window encounters strong wind, the top-hung window is attached to the door and window frame, the aluminum rod 3 moves, and the locking point base 7 and the elastic locking piece 8 are driven by the aluminum rod 3 to slide to the locking portion 5 on the upper lock base 2, thereby completing self-locking. The window can be automatically closed and locked under strong wind, and the whole is energy-saving and safe.

[0030] The elastic locking piece 8 comprises a locking seat block 9 provided on the locking point base 7, and a connecting spring 10 provided between the locking seat block 9 and the locking point base 7. The locking seat block 9 is in clamping fit with the locking portion 5, and in sliding fit with the unlocking portion 6.

[0031] In this embodiment, when the top-hung window encounters strong wind, the top-hung window is attached to the door and window frame, the aluminum rod 3 moves, the lock point seat 7 and the locking seat block 9 are driven by the aluminum rod 3 to slide to the locking part 5 on the upper lock seat 2, and self-locking is completed. The window can be automatically closed and locked under strong wind, overall energy saving is achieved, safety is high, and the connecting spring 10 plays a role in connecting the locking seat block 9 and the lock point seat 7, so that the locking seat block 9 can be elastically moved up and down, and it is convenient to enter the locking part 5 or be separated from the locking part 5.

[0032] In combination with Figure 2 , Figure 3 It is shown that the locking part 5 includes a locking protrusion 11 arranged on the upper lock seat 2, the locking protrusion 11 is provided with a locking cavity groove 12, and the locking seat block 9 is clamped and matched with the locking protrusion 11.

[0033] In this embodiment, in the locked state, the locking seat block 9 enters the locking cavity groove 12 in the locking protrusion 11, and locking is completed.

[0034] The locking protrusion 11 is provided with two inclined surfaces that are symmetrically arranged along the center of the locking protrusion 11, and the inclined surfaces are connected with the locking cavity groove 12.

[0035] In this embodiment, when it is needed to be separated from the locking cavity groove 12, the locking seat block 9 slides out from the inclined surface in the locking protrusion 11, and the elastic force of the connecting spring 10 is matched to make the locking seat block 9 move upward by a distance, and then the locking seat block 9 enters the unlocking part 6. After that, the connecting spring 10 releases the elastic force, and the locking seat block 9 returns to the original height.

[0036] In combination with Figures 2-5 It is shown that the unlocking part 6 includes an unlocking plane 13 arranged on the upper lock seat 2, the locking seat block 9 is slidingly matched with the unlocking plane 13, and the horizontal height of the locking protrusion 11 is greater than that of the unlocking plane 13.

[0037] In this embodiment, when unlocking is needed, the locking seat block 9 enters the unlocking plane 13, the locking seat block 9 is slidingly matched with the unlocking plane 13, the two lock points on both sides are in an open state, the locking seat block 9 can be abutted and matched with the locking protrusion 11, the upper lock seat 2 is driven to move away from the initial position, and the window sash is opened.

[0038] The lower lock seat 1 is provided with two limiting convex strips 14, the upper lock seat 2 is provided with a limiting concave groove 15, and the limiting convex strips 14 and the limiting concave groove 15 are matched in shape and slidingly matched with each other.

[0039] In this embodiment, when the upper lock seat 2 and the lower lock seat 1 slide, the sliding matching between the limiting convex strips 14 and the limiting concave groove 15 realizes the limiting effect and ensures the accuracy of horizontal sliding.

[0040] In combination withFigures 2-5 As shown, the upper lock seat 2 is provided with a bottom sliding plate 16, the bottom sliding plate 16 is located between two adjacent limiting convex strips 14, and a first horizontal spring 17 is arranged between the bottom sliding plate 16 and the limiting convex strip 14.

[0041] In the embodiment, the bottom sliding plate 16 connects the upper lock seat 2 and the lower lock seat 1, does not affect the sliding between the upper lock seat 2 and the lower lock seat 1, and plays a role in limiting the stroke, and the first horizontal spring 17 can play a role in automatic resetting after compression and provide rebound.

[0042] In combination Figures 2-5 As shown, the lower lock seat 1 is provided with a connecting sliding groove 18, the bottom sliding plate 16 extends into the connecting sliding groove 18 and is in sliding cooperation with the connecting sliding groove 18, the connecting sliding groove 18 is provided with a second horizontal spring 188, one end of the second horizontal spring 188 is in abutting cooperation with the lower lock seat 1, and the other end is in abutting cooperation with the bottom sliding plate 16.

[0043] In the embodiment, the bottom sliding plate 16 extends into the connecting sliding groove 18 and is in sliding cooperation with the connecting sliding groove 18, plays a role in limiting the stroke, and the second horizontal spring 188 can play a role in automatic resetting of the bottom sliding plate 16 and provide rebound, in cooperation with the first horizontal spring 17, a multi-spring structure is adopted, the rebound force is good, and the service life is long.

[0044] In combination Figure 2 As shown, the lower lock seat 1 is provided with two riveting sleeves 19.

[0045] In the embodiment, the riveting sleeve 19 plays a role in fixing the lower lock seat 1.

[0046] The working principle of the present application is as follows:

[0047] The aluminum rod 3 is connected with the handle 100, the aluminum rod 3 can be driven to move through the handle 100, when the top-hung window meets strong wind, the top-hung window is attached to the door and window frame, the aluminum rod 3 moves, the locking point seat 7 and the locking seat block 9 are driven to slide to the locking cavity groove 12 in the locking protrusion 11 on the upper lock seat 2, self-locking is completed, the window can be automatically closed and locked under strong wind, overall energy saving is realized, safety is high, the connecting spring 10 plays a role in connecting the locking seat block 9 and the locking point seat 7, the locking seat block 9 can be elastically moved up and down, and it is convenient to enter the locking part 5 or separate from the locking part 5,

[0048] When it is needed to separate from the locking cavity groove 12, the locking seat block 9 slides out from the inclined surface in the locking protrusion 11, in cooperation with the elastic force of the connecting spring 10, the locking seat block 9 can be moved upward by a distance, enters the unlocking part 6, the connecting spring 10 releases the elastic force, and the locking seat block 9 returns to the original height,

[0049] When it needs to be unlocked, the locking block 9 enters into the unlocking plane 13, the locking block 9 is in sliding fit with the unlocking plane 13, the two locking points on both sides are in open state, the locking block 9 can be in abutting fit with the locking protrusion 11, driving the upper locking seat 2 to move away from the initial position, the window sash is opened,

[0050] When the upper locking seat 2 slides with the lower locking seat 1, the limiting effect is realized through the sliding fit between the limiting convex strip 14 and the limiting concave groove 15, ensuring the accuracy of horizontal sliding,

[0051] The bottom sliding plate 16 connects the upper locking seat 2 and the lower locking seat 1, meanwhile, does not affect the sliding between the upper locking seat 2 and the lower locking seat 1, and plays a role of limiting stroke, the first horizontal spring 17 can play a role of automatic resetting after compression, providing rebound,

[0052] The bottom sliding plate 16 extends into the connecting sliding groove 18 and is in sliding fit with the connecting sliding groove 18, playing a role of limiting stroke, the second horizontal spring 188 can play a role of automatic resetting for the bottom sliding plate 16, providing rebound, cooperating with the first horizontal spring 17, adopting a multi-spring structure, having good rebound force and long service life, the riveting sleeve 19 plays a role of fixing the lower locking seat 1,

[0053] There are four states for opening and closing, the first state is that the top-hung window is closed and automatically locked when encountering strong wind, the second state is that when it needs to be opened, the handle 100 drives the aluminum rod 3, the aluminum rod 3 drives the locking block 9 to move away from the locking protrusion on the upper locking seat 2 and enter into the unlocking plane 13, at this time, the other two locking points of the window sash are in locking state, the window sash is still in closed state, the third state is that the handle 100 is in open state, the two locking points on both sides are also in open state, the locking block 9 drives the upper locking seat 2 to move away from the initial position, the window sash is opened, the fourth state is that the upper locking seat 2 moves to the initial position under the action of the spring, being a cycle.

[0054] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or adopt similar ways to replace them, without deviating from the spirit of the present application.

[0055] Although the terms lower lock base 1, upper lock base 2, aluminum rod 3, elastic self-locking assembly 4, locking part 5, unlocking part 6, lock point base 7, elastic lock 8, locking base block 9, connecting spring 10, locking protrusion 11, locking cavity groove 12, unlocking plane 13, limiting convex strip 14, limiting concave groove 15, bottom sliding plate 16, first horizontal spring 17, connecting sliding groove 18, second horizontal spring 188, riveting sleeve 19, handle 100, etc. are used more frequently in this document, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application, and any additional limitation resulting from the interpretation of these terms is contrary to the spirit of the present application.

Claims

1. A self-locking device for a top-hung window, comprising a lower lock seat (1), characterized in that, The lower locking seat (1) is provided with an upper locking seat (2), which is slidably engaged with the lower locking seat (1). An aluminum rod (3) is provided above the upper locking seat (2), and an elastic self-locking component (4) is provided on the aluminum rod (3). The upper locking seat (2) is provided with a locking part (5) and an unlocking part (6), which are respectively positioned opposite to the elastic self-locking locking component (4). The elastic self-locking assembly (4) includes a locking point seat (7) disposed on the aluminum rod (3), and an elastic locking element (8) is provided on the locking point seat (7). The locking part (5) and the unlocking part (6) correspond to the positions of the elastic locking element (8), respectively. The elastic locking element (8) includes a locking block (9) disposed on the locking point seat (7), a connecting spring (10) between the locking block (9) and the locking point seat (7), the locking block (9) engaging with the locking part (5), and the locking block (9) sliding with the unlocking part (6). The locking part (5) includes a locking protrusion (11) disposed on the upper locking seat (2), the locking protrusion (11) having a locking cavity (12) therein, and the locking seat block (9) engaging with the locking protrusion (11). The locking protrusion (11) has two inclined surfaces symmetrical about the center of the locking protrusion (11), and the inclined surfaces are connected to the locking cavity (12). The unlocking part (6) includes an unlocking plane (13) disposed on the upper lock seat (2), the locking block (9) slides in cooperation with the unlocking plane (13), and the horizontal height of the locking protrusion (11) is greater than the horizontal height of the unlocking plane (13).

2. The self-locking device for a top-hung window according to claim 1, characterized in that, The lower locking seat (1) is provided with two limiting protrusions (14), and the upper locking seat (2) is provided with a limiting groove (15). The shapes of the limiting protrusions (14) and the limiting groove (15) are matched and slide together.

3. A self-locking device for a top-hung window according to claim 2, characterized in that, The upper locking seat (2) is provided with a bottom sliding plate (16), which is located between two adjacent limiting protrusions (14), and a first horizontal spring (17) is provided between the bottom sliding plate (16) and the limiting protrusions (14).

4. A self-locking device for a top-hung window according to claim 3, characterized in that, The lower locking seat (1) is provided with a connecting groove (18), and the bottom sliding plate (16) extends into the connecting groove (18) and slides in cooperation with the connecting groove (18). The connecting groove (18) is provided with a second horizontal spring (188), one end of the second horizontal spring (188) abuts in cooperation with the lower locking seat (1), and the other end abuts in cooperation with the bottom sliding plate (16).

5. A self-locking device for a top-hung window according to claim 1, characterized in that, The bottom of the lower lock seat (1) is provided with two rivet sleeves (19).

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