Door and window pulley device

Abstract

The utility model belongs to the technical field of windows, and particularly relates to a door and window pulley device which comprises a movable plate, a mounting seat and a connecting plate, the movable plate is arranged above the mounting seat, and the connecting plate is arranged between the mounting seat and the movable plate. The two ends of the connecting plate are hinged to the mounting base and the movable plate respectively so that the movable plate can horizontally move towards the two sides of the mounting base, limiting walls extending downwards are arranged on the two sides of the movable plate, and the limiting walls can make contact with the side face of the mounting base. The moving range of the movable plate is limited through the limiting wall, the problem that due to the fact that the movable plate deviates randomly, the position needs to be corrected manually in the packaging process is solved, the packaging efficiency can be improved, workers can assemble more quickly when the movable plate is connected with a window sash, the assembling efficiency can be improved, the structure is simple and stable, and machining and production are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of windows, and in particular relates to a door and window pulley device. Background Art

[0002] There are currently three types of opening and closing windows installed on buildings. One is a casement opening and closing window in which the window sash is fixedly connected to the window frame with hinges and opened or closed from the inside and outside. The other is a sliding opening and closing window in which the two window sashes are pushed and pulled left and right in the inner and outer grooves of the window frame to open or close. The third is an opening and closing window with both casement and sliding functions. Compared with the first two types, the opening and closing window with both casement and sliding functions has the advantage of occupying a small space after opening the window, and is deeply loved by people. Its structure mainly includes a window sash, a window frame guide rail, and a door and window pulley device that drives the window sash to deflect on the window frame guide rail.

[0003] The structure of the existing door and window pulley device mainly includes a mounting seat, a movable plate arranged above the mounting seat and connected to the window sash, and a connecting rod with two ends hinged to the mounting seat and the movable plate respectively. The movable plate is offset left and right to realize the opening and closing of the window sash. However, the movable plate on the existing door and window pulley device is easily offset at will under the drive of the connecting rod, resulting in the need for manual retraction and correction of the position of the movable plate during packaging, which affects the packaging efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a door and window pulley device which can solve the above-mentioned problem.

[0005] To achieve the above-mentioned purpose, an embodiment of the utility model provides a door and window pulley device, including a movable plate, a mounting seat and a connecting plate, the movable plate is arranged above the mounting seat, the connecting plate is arranged between the mounting seat and the movable plate, the two ends of the connecting plate are respectively hinged to the mounting seat and the movable plate, so that the movable plate can move horizontally toward both sides of the mounting seat, and downwardly extending limiting walls are provided on both sides of the movable plate, and the limiting walls can contact the side surfaces of the mounting seat.

[0006] Optionally, it further includes a load-bearing wheel, which is arranged at the lower end of the movable plate and is movably connected to the movable plate and the mounting seat.

[0007] Optionally, the axis of the load-bearing wheel corresponds to the length direction of the movable plate.

[0008] Optionally, the load-bearing wheels are provided in two groups and are respectively arranged at two ends of the connecting plate.

[0009] Optionally, a fixed bracket is further included, and the fixed bracket is detachably arranged at the lower end of the movable plate, and the load-bearing wheel can be limited at the lower end of the movable plate through the fixed bracket.

[0010] Optionally, the load-bearing wheel includes a fixed shaft and a roller arranged on the fixed shaft, the fixed bracket includes a main body and an arc-shaped arm, the main body is fixedly connected to the movable plate, the arc-shaped arms are provided on both sides of the main body, the two ends of the fixed shaft are limited to the lower end of the movable plate by the arc-shaped arms, and the roller is rollingly connected to the lower end of the movable plate and the upper end of the mounting seat.

[0011] Optionally, it also includes:

[0012] A mounting frame, wherein the bottom of the mounting seat is hollowed out, and the mounting frame is arranged at the hollowed out portion of the mounting seat;

[0013] a pulley, disposed on the mounting frame; and

[0014] An adjustment structure, wherein the adjustment structure can drive the mounting frame to move up and down relative to the mounting seat.

[0015] Optionally, the adjustment structure includes a connecting shaft and a strip hole penetrating through a side surface of the mounting frame, the connecting shaft passes through the strip hole to be fixedly connected to the mounting seat, and the strip hole is arranged at an angle.

[0016] Optionally, the adjustment structure further includes an adjustment bolt and a connecting sleeve, wherein the connecting sleeve is fixed to one end of the mounting frame, a nut is provided on the connecting sleeve, and the adjustment bolt passes through the mounting seat and the mounting frame and is threadedly connected to the nut.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the moving range of the movable plate is limited by the limiting wall, so as to avoid the movable plate from shifting randomly, which would cause the problem of manual position correction during packaging, thereby improving the packaging efficiency, and when connected to the window sash, the staff can assemble it more quickly, thereby improving the assembly efficiency, and the structure is simple and stable, which is convenient for processing and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a side view of the utility model.

[0020] Figure 2 It is an explosion diagram of the utility model.

[0021] Figure 3 It is a three-dimensional diagram of the utility model.

[0022] In the figure:

[0023] 100, mounting seat;

[0024] 200, movable plate; 210, limiting wall;

[0025] 300, connecting plate;

[0026] 400, load-bearing wheel; 410, fixed shaft; 420, roller;

[0027] 500, fixed bracket; 510, body; 520, arc-shaped arm;

[0028] 600, mounting frame;

[0029] 700, pulley;

[0030] 800, adjustment structure; 810, connecting shaft; 820, strip hole; 830, adjustment bolt; 840, connecting sleeve. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0032] In the description of the embodiments of the present invention, it should be understood that if there are directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, inside, outside, etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0034] In the embodiments of the present invention, unless otherwise clearly specified and limited, if there are terms such as "installed", "connected", "connected", "fixed", etc., they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to the specific circumstances.

[0035] like Figures 1 to 3 As shown, an embodiment of the utility model provides a door and window pulley device, which is installed at the top and bottom of a window sash 500. Specifically, the door and window pulley device includes a mounting seat 100, a movable plate 200, a connecting plate 300, a load-bearing wheel 400, a fixed bracket 500, a mounting frame 600, a pulley 700 and an adjustment structure 800.

[0036] The movable plate 200 is arranged above the mounting seat 100, the movable plate 200 is connected to the window sash, the connecting plate 300 is arranged between the mounting seat 100 and the movable plate 200, and the two ends of the connecting plate 300 are respectively hinged to the mounting seat 100 and the movable plate 200, so that the movable plate 200 can move horizontally toward the two sides of the mounting seat 100, that is, the window sash can be changed track by the connecting plate 300 and the movable plate 200, thereby realizing the opening or closing of the window sash. Closed, further, downwardly extending limiting walls 210 are provided on both sides of the movable panel 200, and the limiting walls 210 can contact the sides of the mounting seat 100, that is, the limiting walls 210 can limit the movement range of the movable panel 200, thereby preventing the movable panel 200 from arbitrarily deviating too much, resulting in the need for manual position correction during packaging, which can improve packaging efficiency, and when connected to the window sash, the staff can assemble more quickly, which can improve assembly efficiency, has a simple and stable structure, and is easy to process and produce.

[0037] In one embodiment, the load-bearing wheel 400 is disposed at the lower end of the movable plate 200, and the load-bearing wheel 400 is movably connected to the movable plate 200 and the mounting seat 100. Specifically, the axis of the load-bearing wheel 400 corresponds to the length direction of the movable plate 200, and the load-bearing wheel 400 is provided with two groups, and is respectively disposed at both ends of the connecting plate 300. The load-bearing wheel 400 is utilized to make the movable plate 200 move left and right more smoothly, and the load-bearing wheel 400 can improve the load-bearing capacity of the door and window pulley device to ensure the stability of the window sash.

[0038] In one embodiment, the fixing bracket 500 is detachably disposed at the lower end of the movable plate 200 , and the load-bearing wheel 400 can be limited at the lower end of the movable plate 200 by the fixing bracket 500 , so as to facilitate the disassembly and assembly of the load-bearing wheel 400 .

[0039] Of course, the load-bearing wheel 400 can also be fixed to the lower end of the movable plate 200 by welding.

[0040] In some specific embodiments, in order to realize that the load-bearing wheel 400 can be movably connected to the movable plate 200 and the mounting seat 100, specifically, the load-bearing wheel 400 includes a fixed shaft 410 and a roller 420 arranged on the fixed shaft 410, and the fixed bracket 500 includes a main body 510 and an arc arm 520, wherein the main body 510 is fixedly connected to the movable plate 200 by screws, and the arc arm 520 is provided on both sides of the main body 510, and the two ends of the fixed shaft 410 are limited to the lower end of the movable plate 200 by the arc arm 520, and the roller 420 is rollingly connected to the lower end of the movable plate 200 and the upper end of the mounting seat 100, and the overall structure is simple and stable.

[0041] In one embodiment, the door and window pulley device also includes a mounting frame 600, a pulley 700 and an adjusting structure 800. The bottom of the mounting seat 100 is hollowed out, the mounting frame 600 is arranged at the hollow part of the mounting seat 100, and the pulley 700 is arranged on the mounting frame 600. The pulley 700 slides on the linear groove, thereby driving the window sash 500 to move. Furthermore, the adjusting structure 800 can drive the mounting frame 600 to move up and down relative to the mounting seat 100, that is, the height of the pulley relative to the mounting seat 100 is adjusted by the adjusting structure 800 to avoid shaking of the window sash 500.

[0042] In some specific embodiments, the adjustment structure 800 includes a connecting shaft 810 and a strip hole 820 passing through the side of the mounting frame 600, the connecting shaft 810 passes through the strip hole 820 and is fixedly connected to the mounting base 100, and the strip hole 820 is inclined, that is, the connecting shaft 810 drives the mounting frame 600 to move along the inclined strip hole 820, thereby enabling the mounting frame 600 to drive the pulley 700 to move up and down.

[0043] In some specific embodiments, the adjustment structure 800 also includes an adjusting bolt 830 and a connecting sleeve 840. The connecting sleeve 840 is fixed to one end of the mounting frame 600. A nut 841 is provided on the connecting sleeve 840. The adjusting bolt 830 passes through the mounting seat 100 and the mounting frame 600 and is threadedly connected to the nut 841. That is, the pulley 700 can be moved up and down by turning the adjusting bolt 830, which makes the operation more convenient.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A door and window pulley device, characterized in that: It includes a movable plate, a mounting seat and a connecting plate, wherein the movable plate is arranged above the mounting seat, the connecting plate is arranged between the mounting seat and the movable plate, and the two ends of the connecting plate are respectively hinged to the mounting seat and the movable plate so that the movable plate can move horizontally toward the two sides of the mounting seat, and downwardly extending limiting walls are provided on both sides of the movable plate, and the limiting walls can contact the side surfaces of the mounting seat.

2. A door and window pulley device according to claim 1, characterized in that: Also includes: A load-bearing wheel is arranged at the lower end of the movable plate, and the load-bearing wheel is movably connected to the movable plate and the mounting seat.

3. A door and window pulley device according to claim 2, characterized in that: The axis of the load-bearing wheel corresponds to the length direction of the movable plate.

4. A door and window pulley device according to claim 2, characterized in that: The load-bearing wheels are provided in two groups and are respectively arranged at two ends of the connecting plate.

5. A door and window pulley device according to claim 2, characterized in that: Also includes: A fixed bracket is detachably arranged at the lower end of the movable plate, and the load-bearing wheel can be limited at the lower end of the movable plate through the fixed bracket.

6. A door and window pulley device according to claim 5, characterized in that: The load-bearing wheel includes a fixed shaft and a roller arranged on the fixed shaft, the fixed bracket includes a main body and an arc-shaped arm, the main body is fixedly connected to the movable plate, the arc-shaped arms are provided on both sides of the main body, the two ends of the fixed shaft are limited to the lower end of the movable plate by the arc-shaped arms, and the roller is rollingly connected to the lower end of the movable plate and the upper end of the mounting seat.

7. A door and window pulley device according to claim 1, characterized in that: Also includes: A mounting frame, wherein the bottom of the mounting seat is hollowed out, and the mounting frame is arranged at the hollowed out portion of the mounting seat; A pulley, arranged on the mounting frame; as well as An adjustment structure, wherein the adjustment structure can drive the mounting frame to move up and down relative to the mounting seat.

8. A door and window pulley device according to claim 7, characterized in that: The adjustment structure comprises a connecting shaft and a strip hole penetrating through the side of the mounting frame, the connecting shaft passes through the strip hole to be fixedly connected with the mounting seat, and the strip hole is arranged obliquely.

9. A door and window pulley device according to claim 7, characterized in that: The adjustment structure also includes an adjustment bolt and a connecting sleeve, wherein the connecting sleeve is fixed to one end of the mounting frame, a nut is provided on the connecting sleeve, and the adjustment bolt passes through the mounting seat and the mounting frame and is threadedly connected to the nut.

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