Door and window opening and closing four-bar mechanism

Abstract

The utility model relates to the technical field of doors and windows, in particular to a door and window opening and closing four-bar mechanism. The first connecting rod is used as a hinge arm and is used for connecting the window sash and the door leaf; the second connecting rod is rotationally arranged on the mounting base; the third connecting rod is rotationally arranged on the mounting base, and a first extension rod is arranged at one end of the third connecting rod; the fourth connecting rod is rotationally arranged on the mounting base, and a second extension rod is arranged at one end of the fourth connecting rod. The device has the advantages that the adjustable first extension rod and the adjustable second extension rod are arranged on the third connecting rod and the fourth connecting rod, and are matched with the locking mechanism to lock different positions of the first extension rod and the second extension rod, so that the movement scale of the first connecting rod is adjusted, and the opening and closing angle of the door and window is accurately adjusted; a user can easily adjust the opening size of the door and window according to actual requirements, the requirements for ventilation, lighting and space utilization in different occasions are met, and the using flexibility and the individuation degree are greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of doors and windows, and in particular to a four-bar linkage mechanism for opening and closing doors and windows. Background Art

[0002] With the development of the construction industry and the continuous improvement of people's requirements for living environment, doors and windows, as an important part of buildings, are increasingly valued for their design and functions. Traditional door and window opening and closing mechanisms are mostly based on simple hinges or linear guide rails. Although these designs can meet basic opening and closing needs, they are limited in flexibility, safety, and adjustability of opening and closing angles. Especially for modern buildings that pursue personalized customization, high efficiency and energy saving, and intelligent control, traditional designs can no longer meet market demand.

[0003] In practical applications, doors and windows not only need to have good sealing performance and heat and sound insulation capabilities, but also need to provide a variety of opening and closing angles to meet different ventilation, lighting and space utilization requirements. Especially in high-rise buildings, higher requirements are placed on the precise control and convenient adjustment of the opening and closing of doors and windows. However, the existing door and window opening and closing mechanisms are often unable to flexibly adjust the opening and closing angles, resulting in inconvenience in use.

[0004] In this regard, the present application proposes a four-link mechanism for opening and closing doors and windows to solve this problem. Summary of the invention

[0005] The purpose of this application is to solve at least one of the technical deficiencies.

[0006] To this end, one purpose of the present application is to propose a four-bar linkage mechanism for opening and closing doors and windows to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the present application provides a four-link mechanism for opening and closing doors and windows, including: a mounting base; a first link, serving as a hinge arm, for connecting window sashes and door sashes; a second link, rotatably disposed on the mounting base; a third link, rotatably disposed on the mounting base, one end of which is provided with a first extension rod; a fourth link, rotatably disposed on the mounting base, one end of which is provided with a second extension rod; a locking mechanism, a total of two groups, respectively disposed in the third link and the fourth link, including a locking block, a driving block, a first spring and an operating block, wherein a connecting rod is installed at one end of the driving block, and one end of the connecting rod is connected to the operating block for locking the position of the first extension rod and the second extension rod.

[0008] Preferably, any of the above schemes is that a first connecting groove is formed on the third connecting rod for accommodating the locking mechanism; first positioning grooves are formed on both sides of the first connecting groove for the locking block to slide.

[0009] Preferably, any of the above schemes is that the first extension rod is rotatably arranged on the first connecting rod, the first extension rod is provided with a first sliding groove, and the first sliding groove is slidably arranged on the third connecting rod; the first sliding groove is provided with a plurality of first locking grooves for cooperating with the locking block.

[0010] Preferably, any of the above schemes is that the fourth connecting rod is rotatably arranged on the second connecting rod, and a second connecting groove is provided on the fourth connecting rod for accommodating the locking mechanism; second positioning grooves are provided on both sides of the second connecting groove for the locking block to be slidably arranged.

[0011] Preferably, any of the above schemes is that the second extension rod is rotatably arranged on the first connecting rod, a second slide groove is provided on the second extension rod, and the second slide groove is slidably arranged on the fourth connecting rod; a plurality of second locking grooves are provided on the second slide groove for cooperating with the locking block.

[0012] Preferably, any of the above schemes has one end of the locking block as an inclined surface, a groove is provided on the locking block, and a second spring is installed in the groove.

[0013] Preferably, any of the above schemes is that one end of the first spring is connected to the driving block, and the other end of the first spring is mounted with a fixing plate, the fixing plate is provided with a through hole, and the connecting rod is slidably disposed in the through hole.

[0014] Compared with the prior art, the advantages and beneficial effects of this application are:

[0015] By arranging adjustable first extension rods and second extension rods on the third connecting rod and the fourth connecting rod, and cooperating with the locking mechanism, the first extension rod and the second extension rod are locked at different positions, and then the movement scale of the first connecting rod is adjusted, thereby achieving precise adjustment of the opening and closing angles of doors and windows. Users can easily adjust the opening size of doors and windows according to actual needs to meet the ventilation, lighting and space utilization requirements in different occasions, greatly improving the flexibility and personalization of use.

[0016] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a forward schematic diagram according to an embodiment of the present application;

[0019] Figure 2 It is a three-dimensional schematic diagram according to an embodiment of the present application;

[0020] Figure 3 is a cross-sectional schematic diagram of a third connecting rod according to an embodiment of the present application;

[0021] Figure 4 is a schematic diagram of a fourth connecting rod according to an embodiment of the present application;

[0022] Figure 5 is a cross-sectional schematic diagram of a fourth connecting rod according to an embodiment of the present application;

[0023] Figure 6 is a cross-sectional schematic diagram of a second extension rod according to an embodiment of the present application;

[0024] Figure 7 A schematic diagram of a locking mechanism according to an embodiment of the present application;

[0025] Figure 8 It is a cross-sectional schematic diagram of a locking block according to an embodiment of the present application.

[0026] In the figure: 1, mounting base, 2, first connecting rod, 3, second connecting rod, 4, third connecting rod, 401, first extension rod, 402, first connecting groove, 5, fourth connecting rod, 501, second extension rod, 502, second connecting groove, 6, locking mechanism, 601, locking block, 602, driving block, 603, first spring, 604, operating block, 605, connecting rod, 606, second spring, 607, fixing plate. DETAILED DESCRIPTION

[0027] like Figures 1 to 8 As shown, a four-link mechanism for opening and closing doors and windows includes a mounting base 1, a first link 2, a second link 3, a third link 4, a fourth link 5 and a locking mechanism 6.

[0028] Further, the first connecting rod 2 is rotatably arranged on the mounting base 1 and serves as a hinge arm, which is mounted on the window leaf or door leaf;

[0029] The second connecting rod 3 rotates on the mounting base 1 .

[0030] Further, such as Figure 3 As shown, the third connecting rod 4 is rotatably set on the mounting base 1, a first extension rod 401 is provided at one end of the third connecting rod 4, a first connecting groove 402 is opened on the third connecting rod 4, first positioning grooves are opened on both sides of the first connecting groove 402, the first extension rod 401 is rotatably set on the first connecting rod 2, a first sliding groove is opened on the first extension rod 401, the first sliding groove is slidably set on the third connecting rod 4, and a plurality of first locking grooves are opened on the first sliding groove.

[0031] Further, such as Figures 4 to 6As shown, the fourth connecting rod 5 is rotatably set on the mounting base 1, a second extension rod 501 is provided at one end of the fourth connecting rod 5, the fourth connecting rod 5 is rotatably set on the second connecting rod 3, a second connecting groove 502 is opened on the fourth connecting rod 5, and second positioning grooves are opened on both sides of the second connecting groove 502, the second extension rod 501 is rotatably set on the first connecting rod 2, a second sliding groove is opened on the second extension rod 501, the second sliding groove is slidably set on the fourth connecting rod 5, and a plurality of second locking grooves are opened on the second sliding groove.

[0032] In the above description, the opening positions of the first connection groove 402 and the second connection groove 502 are both chamfered, the purpose of which is to facilitate the operation of the operating block 604 .

[0033] Further, such as Figures 7 and 8 As shown, the locking mechanism 6, which has two groups, is respectively arranged in the third connecting rod 4 and the fourth connecting rod 5, and respectively locks the position between the first extension rod 401 and the second extension rod 501 and the third connecting rod 4 and the fourth connecting rod 5;

[0034] The locking mechanism 6 includes a locking block 601, a driving block 602, a first spring 603 and an operating block 604, wherein a connecting rod 605 is installed at one end of the driving block 602, and one end of the connecting rod 605 is connected to the operating block 604. One end of the locking block 601 is an inclined surface, and a groove is provided on the locking block 601, and a second spring 606 is installed in the groove. One end of the first spring 603 is connected to the driving block 602, and a fixing plate 607 is installed at the other end of the first spring 603. A through hole is provided on the fixing plate 607, and the connecting rod 605 is slidably set in the through hole.

[0035] The elastic force of the first spring 603 is greater than the elastic force of the second spring 606 .

[0036] Specifically, in one set of locking mechanisms 6, the locking block 601 is slidably disposed in the first positioning groove, the driving block 602 is slidably disposed in the first connecting groove 402, the operating block 604 is slidably disposed in the first connecting groove 402, the fixing plate 607 is installed in the first connecting groove 402, and the second spring 606 is installed in the first connecting groove 402;

[0037] In another group of locking mechanisms 6, the locking block 601 is slidably set in the second positioning groove, the driving block 602 is slidably set in the second connecting groove 502, the operating block 604 is slidably set in the second connecting groove 502, the fixing plate 607 is installed in the second connecting groove 502, and the second spring 606 is installed in the second connecting groove 502.

[0038] A four-link mechanism for opening and closing doors and windows, the working principle is as follows:

[0039] When adjusting the position of the first extension rod 401 on the third connecting rod 4;

[0040] Controlling the locking mechanism 6 in the position of the third link 4;

[0041] Pull the operating block 604, the movement of the operating block 604 drives the connecting rod 605 to move, the connecting rod 605 drives the driving block 602 to move, the movement of the driving block 602 drives the first spring 603, so that the first spring 603 is stressed and squeezed, with the movement of the driving block 602, the locking block 601 is no longer stressed, under the action of the second spring 606, the locking block 601 is driven to move, so that the locking block 601 is separated from the first locking groove, at this time, the extension distance of the first extension rod 401 on the third connecting rod 4 can be adjusted, after the adjustment is appropriate, release the operating block 604, under the action of the first spring 603, push the driving block 602 to move in the opposite direction, after the driving block 602 contacts the inclined surface on the locking block 601, it drives the locking block 601 to move, so that the locking block 601 is reinserted into another first locking groove, changing the overall shape of the four-bar linkage, thereby indirectly affecting the opening and closing angles of the doors and windows;

[0042] When adjusting the position of the second extension rod 501 on the fourth connecting rod 5;

[0043] Controlling the locking mechanism 6 in the fourth connecting rod 5 position;

[0044] Pull the operating block 604, the movement of the operating block 604 drives the connecting rod 605 to move, and the connecting rod 605 drives the driving block 602 to move. The movement of the driving block 602 drives the first spring 603, so that the first spring 603 is stressed and squeezed. With the movement of the driving block 602, the locking block 601 is no longer stressed. Under the action of the second spring 606, the locking block 601 is driven to move, so that the locking block 601 is disengaged from the second locking groove. At this time, the extension distance of the second extension rod 501 on the fourth connecting rod 5 can be adjusted. After the adjustment is appropriate, release the operating block 604, and under the action of the first spring 603, push the driving block 602 to move in the opposite direction. After the driving block 602 contacts the inclined surface on the locking block 601, it drives the locking block 601 to move, so that the locking block 601 is reinserted into another second locking groove, changing the overall shape of the four-bar linkage, thereby indirectly affecting the opening and closing angles of the doors and windows.

Claims

1. A four-bar linkage mechanism for opening and closing doors and windows, characterized in that: include: Install the base; The first connecting rod is used as a hinge arm to connect the window leaf and the door leaf; A second connecting rod is rotatably disposed on the mounting base; A third connecting rod is rotatably mounted on the mounting base and has a first extension rod at one end thereof; A fourth connecting rod is rotatably mounted on the mounting base and has a second extension rod at one end thereof; The locking mechanism, there are two groups in total, which are respectively arranged in the third connecting rod and the fourth connecting rod, and include a locking block, a driving block, a first spring and an operating block, wherein a connecting rod is installed at one end of the driving block, and one end of the connecting rod is connected to the operating block, which is used to lock the position of the first extension rod and the second extension rod.

2. A door and window opening and closing four-bar linkage according to claim 1, characterized in that: The third connecting rod is provided with a first connecting groove for accommodating the locking mechanism; First positioning grooves are provided on both sides of the first connecting groove for the locking block to slide.

3. A four-bar linkage mechanism for opening and closing doors and windows according to claim 1, characterized in that: The first extension rod is rotatably arranged on the first connecting rod, a first sliding groove is provided on the first extension rod, and the first sliding groove is slidably arranged on the third connecting rod; The first sliding groove is provided with a plurality of first locking grooves for matching with the locking block.

4. A door and window opening and closing four-bar linkage according to claim 1, characterized in that: The fourth connecting rod is rotatably arranged on the second connecting rod, and a second connecting groove is provided on the fourth connecting rod for accommodating the locking mechanism; Second positioning grooves are provided on both sides of the second connecting groove for the locking block to slide.

5. A door and window opening and closing four-bar linkage according to claim 4, characterized in that: The second extension rod is rotatably arranged on the first connecting rod, a second sliding groove is provided on the second extension rod, and the second sliding groove is slidably arranged on the fourth connecting rod; The second sliding groove is provided with a plurality of second locking grooves for matching with the locking block.

6. A door and window opening and closing four-bar linkage according to claim 1, characterized in that: One end of the locking block is an inclined surface, and a groove is provided on the locking block, in which a second spring is installed.

7. A door and window opening and closing four-bar linkage according to claim 6, characterized in that: One end of the first spring is connected to the driving block, and the other end of the first spring is mounted with a fixing plate, a through hole is formed on the fixing plate, and the connecting rod is slidably disposed in the through hole.

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