Movable pulley guide system

Abstract

The utility model provides a movable pulley guide system, which relates to the field of lifting window spare and accessory parts, is applied to a lifting window which is lifted in a window frame, and further comprises a group of upper and lower guide pulley assemblies and a group of corresponding rails, the group of rails are arranged on the inner side of the window frame, and rail transfer areas are arranged at the upper ends of the rails. The guide pulley assemblies are arranged at the upper end and the lower end of the lifting window respectively, one end of each guide pulley assembly is hinged to the side edge of the lifting window, the other end of each guide pulley assembly is provided with a pulley, the pulleys are connected to the corresponding rails in a sliding mode, and the lifting window ascends and descends along the rails through the guide pulley assemblies to achieve rail transfer type opening and closing. Compared with the normal opening and closing function of the lifting window which can be achieved only when the rail transfer distance of a rail in a traditional lifting window needs to be consistent with the rail transfer distance of complete opening and closing of an opening sash, the movable pulley guide system can reduce the rail transfer distance of the rail under the condition that the same horizontal rail transfer distance of the lifting window is achieved, and then the rail installation space is saved; the cost is reduced; and the attractiveness is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of lifting window components, specifically a movable pulley guide system. Background Technology

[0002] A retractable window is a type of window that can be opened and closed, typically consisting of two parts: an upper and a lower section. It is opened and closed by moving the upper and lower sections, usually manually operated or controlled by an electric motor. Retractable windows are commonly used in buildings and are designed to facilitate ventilation and lighting. These windows are generally more convenient than traditional sliding windows because their opening and closing is easier to control.

[0003] Existing variable-track lifting window guide systems mostly use pulleys and guide rails to achieve track changing, such as the fixed frame profile of a sliding vertical window with double tracks as described in patent ZL201420089654.1. Two "L"-shaped track assemblies are fixedly connected to the frame profile with screws. The track components of these two assemblies are parallel to each other, and the lower part of one track assembly is located outside the upper part of the other. Each track assembly has the same structure: the track-changing area component is fixedly connected to the top of the track component, and the limiting component is fixedly connected to the lower part of the track component with screws. Figure 1 and Figure 5 As shown, "the upper pulley 5 of the sliding window sash 4 is located in the higher slide rail assembly, and the lower pulley of the sliding window sash is located in the lower slide rail assembly, so that when it is open, it moves parallel to the lower fixed window sash 3 on two planes but does not contact it; when closed, the sliding window sash and the lower fixed window sash are on the same plane." In this system, the relative positions of the pulleys and the lifting sash are fixed and can only be adjusted up and down. This means that the track change distance must be consistent with the track change distance for the opening sash to be fully opened and closed in order to achieve the normal opening and closing function of the lifting window. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a movable pulley guiding system, which solves the problems mentioned in the background section.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a movable pulley guide system for a lift window, wherein the lift window moves up and down within the window frame; the system further includes an upper and lower set of guide pulley assemblies and a corresponding set of tracks; the tracks are located inside the window frame, with a track-changing area at the upper end of each track; the guide pulley assemblies are respectively located at the upper and lower ends of the lift window; one end of each guide pulley assembly is hinged to the side of the lift window, and the other end is provided with a pulley, which is slidably connected to the corresponding track; the lift window moves up and down along the track via the guide pulley assemblies, achieving track-changing opening and closing.

[0008] Preferably, the guide pulley assembly includes a pulley fixing block, one end of which is hinged to a sash fixing block, and the pulley fixing block is connected to the side of the lift window through the sash fixing block. The pulley fixing block is also provided with pulley one and pulley two.

[0009] Preferably, the hinge point between the fan fixing block and the pulley fixing block, pulley one and pulley two are arranged in a triangle on the plane.

[0010] Preferably, the pulley fixing block is hinged to the fan fixing block via a connecting shaft.

[0011] Preferably, the pulley is detachably connected to the pulley fixing block and includes a pulley shaft, a pulley head, a pulley fixing screw, and a front stop. The pulley fixing block has corresponding mounting holes. The rear end of the pulley shaft passes through the mounting holes and is fixed by the pulley fixing screw. The pulley head is rotatably connected to the front end of the pulley shaft and slidably connected within the track.

[0012] Preferably, the pulley fixing block is provided with a pulley adjustment groove, and the pulley one and pulley two are installed in the pulley adjustment groove in an adjustable position.

[0013] (III) Beneficial Effects

[0014] This utility model provides a movable pulley guiding system. It has the following beneficial effects:

[0015] Compared to traditional lift windows where the relative positions of the pulleys and the lifting sash are fixed and can only be adjusted up and down, this movable pulley guide system reduces the track change distance while achieving the same horizontal track change distance for the lift window. This saves track installation space, reduces costs, and increases aesthetics. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a movable pulley guiding system according to this utility model. Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of a movable pulley guiding system according to this utility model. Figure 2 ;

[0018] Figure 3 for Figure 1 Enlarged view of point A in the image;

[0019] Figure 4 for Figure 2 Enlarged view of point B in the image;

[0020] Figure 5 This is a schematic diagram of the structure of a movable pulley guide system for a lift window in its closed state according to this utility model;

[0021] Figure 6 This is a schematic diagram of the opening state of a lifting window using a movable pulley guide system according to this utility model;

[0022] Figure 7 This is a schematic diagram of the guide pulley assembly structure of a movable pulley guide system according to this utility model.

[0023] In the diagram: 1. Lifting window; 2. Window frame; 3. Guide pulley assembly; 31. Pulley fixing block; 32. Sash fixing block; 33. Pulley one; 34. Pulley two; 35. Connecting shaft; 36. Pulley adjusting groove; 4. Track; 5. Pulley shaft; 6. Pulley head; 7. Pulley fixing screw; 8. Front guard. Detailed Implementation

[0024] This utility model embodiment provides a movable pulley guiding system, such as Figure 1-5 As shown, this is applied to a lift window 1. The lift sash includes upper and lower frames and side frames. The lift window 1 moves up and down within a window frame 2. The window frame 2 includes an upper frame, side frames, and a horizontal stile. It also includes a set of upper and lower guide pulley assemblies 3 and a corresponding set of tracks 4. The track 4 is located inside the window frame 2 and includes an upper track 4 and a lower track 4. The track 4 is fixedly connected to the side frame and includes a straight area at the lower end and a variable track area at the upper end. The set of guide pulley assemblies 3 are respectively located at the upper and lower ends of the lift window 1. One end of the guide pulley assembly 3 is hinged to the side of the lift window 1, and the other end is provided with a pulley. The pulley is slidably connected to the corresponding track 4. The lift window 1 moves up and down along the track 4 through the guide pulley assembly 3, realizing variable track opening and closing. Figure 1 and Figure 2 This is a half-side view showing the movable pulley guide system on one side of the frame of the lifting window 1. In reality, the movable pulley guide system is symmetrically located on both sides of the lifting window 1. Other components in the lifting window 1, such as the lifting drive mechanism, transmission mechanism, and control mechanism, are not the focus of this case and are omitted here.

[0025] like Figure 3 and Figure 4 As shown, the guide pulley assembly 3 includes a pulley fixing block 31, one end of which is hinged to a sash fixing block 32. The pulley fixing block 31 is connected to the side of the lifting window 1 through the sash fixing block 32. The pulley fixing block 31 is also provided with a pulley 1 33 and a pulley 2 34, with the pulley 1 33 positioned above the pulley 2 34.

[0026] Furthermore, in the above technical solution, the hinge point between the fan fixing block 32 and the pulley fixing block 31, the pulley one 33 and the pulley two 34 are arranged in a triangle on the plane.

[0027] like Figure 7 As shown, the pulley fixing block 31 is hinged to the fan fixing block 32 via a connecting shaft 35. The connecting shaft 35 and the fan fixing block 32 can be detachably connected, facilitating the adjustment of the position of the pulley fixing block 31 on its fan fixing block 32. Figure 4 and Figure 5 As shown in the figure, in this embodiment, the pulley fixing block 31 of the upper guide pulley assembly 3 is hinged to the connecting hole at the right end of the sash fixing block 32, while the pulley fixing block 31 of the lower guide pulley assembly 3 is hinged to the connecting hole at the left end of the sash fixing block 32, and the other connecting hole is used to fix it to the side of the lifting window 1.

[0028] like Figure 7 As shown, the pulley is detachably connected to the pulley fixing block 31, including a pulley shaft 5, a pulley head 6, a pulley fixing screw 7, and a front stop 8. The pulley fixing block 31 has corresponding mounting holes. The rear end of the pulley shaft 5 passes through the mounting hole and is fixed by the pulley fixing screw 7. The pulley head 6 is rotatably connected to the front end of the pulley shaft 5 and slidably connected in the track 4. Specifically, the fixing screw engages with the rear end of the pulley shaft 5. When the fixing screw is tightened, the pulley shaft 5 can be fixed in the mounting hole.

[0029] Preferably, the pulley fixing block 31 is provided with a pulley adjustment groove 36, and the pulley one 33 and pulley two 34 are installed in the pulley adjustment groove 36 in an adjustable position. By adjusting the position of pulley one 33 and pulley two 34, the amplification effect of the track changing distance can be adjusted to meet the needs of different lifting windows 1.

[0030] Working principle: When the movable pulley guide system is in use, specifically when the lifting window 1 is closed, such as... Figure 5 As shown and Figure 6As shown, pulley 33 first enters the track-changing area of ​​track 4 and moves towards the outside. At this time, pulley 34 is still in the straight area of ​​track 4. Therefore, from the time pulley 33 enters the track-changing area of ​​track 4 to the time pulley 34 enters the track-changing area of ​​track 4, the pulley connecting block rotates while moving outward, thereby causing the connecting shaft 35 to move outward, which in turn drives the sash connecting block and the lifting sash to change track towards the outside. During this process, the torsion of the pulley connecting block will amplify the track-changing distance of the lifting sash. Thus, under the same horizontal track-changing distance of the lifting sash, the track-changing distance required by this structure to guide track 4 can be smaller than that of the existing lifting window 1. The amplification effect of the track-changing distance can also be adjusted by adjusting the positions of pulley 33 and pulley 34 to adapt to different lifting window 1 requirements.

[0031] In summary, compared to the traditional lift window 1, where the relative positions of the pulley and the lift sash are fixed and can only be adjusted up and down, this movable pulley guide system allows the lift window 1 to achieve normal opening and closing functions. This is because the track 4's track-changing distance must be consistent with the track-changing distance for the lift sash to be fully opened and closed.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A movable pulley guiding system applied to a lift window (1), wherein the lift window (1) rises and falls within a window frame (2), characterized in that: It also includes an upper and lower set of guide pulley assemblies (3) and a corresponding set of tracks (4). The track (4) is set inside the window frame (2). The upper end of the track (4) is provided with a track-changing area. The guide pulley assemblies (3) are respectively set at the upper and lower ends of the lifting window (1). One end of the guide pulley assembly (3) is hinged to the side of the lifting window (1), and the other end is provided with a pulley. The pulley is slidably connected to the corresponding track (4). The lifting window (1) moves up and down along the track (4) through the guide pulley assembly (3) to realize track-changing opening and closing.

2. The movable pulley guiding system according to claim 1, characterized in that: The guide pulley assembly includes a pulley fixing block (31), one end of which is hinged to a fan fixing block (32). The pulley fixing block (31) is connected to the side of the lifting window (1) through the fan fixing block (32). The pulley fixing block (31) is also provided with a pulley one (33) and a pulley two (34).

3. The movable pulley guiding system according to claim 2, characterized in that: The hinge point between the fan fixing block (32) and the pulley fixing block (31), pulley one (33) and pulley two (34) are arranged in a triangle on the plane.

4. The movable pulley guiding system according to claim 2, characterized in that: The pulley fixing block (31) is hinged to the fan fixing block (32) via the connecting shaft (35).

5. A movable pulley guiding system according to claim 2, characterized in that: The pulley is detachably connected to the pulley fixing block (31), including the pulley shaft (5), pulley head (6), pulley fixing screw (7), and front stop (8). The pulley fixing block (31) has corresponding mounting holes. The rear end of the pulley shaft (5) passes through the mounting holes and is fixed by the pulley fixing screw (7). The pulley head (6) is rotatably connected to the front end of the pulley shaft (5) and slidably connected in the track (4).

6. The movable pulley guiding system according to claim 5, characterized in that: The pulley fixing block (31) is provided with a pulley adjustment groove (36), and the pulley one (33) and pulley two (34) are installed in the pulley adjustment groove (36) in an adjustable position.

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