Pulley structure

Abstract

The utility model belongs to the technical field of windows, and particularly relates to a pulley structure which comprises a movable plate, a mounting seat, a connecting plate and a bearing wheel, the movable plate is arranged above the mounting seat, the connecting plate is arranged between the mounting seat and the movable plate, and the bearing wheel is arranged on the mounting seat. 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, a mounting hole is formed in the middle of the connecting plate, and the bearing wheel is arranged at the mounting hole and movably connected with the movable plate and the mounting base. The movable plate can move left and right more smoothly through the bearing wheels, the bearing capacity of the connecting plate can be improved through the bearing wheels, the connecting plate is prevented from deforming, and the opening and closing stability of a window sash is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of windows, and in particular relates to a pulley structure. 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 window sashes, window frame guides, pulleys and connecting plates. The two ends of the connecting plate are respectively hinged to the pulley and the window sash to enable the window sash to be offset. However, since the window sash has a certain weight and the load-bearing capacity of the connecting plate is limited, it is easy to deform under long-term use, affecting its use. Utility Model Content

[0003] The purpose of the utility model is to provide a pulley structure which can solve the above problems.

[0004] To achieve the above-mentioned purpose, the present invention provides a pulley structure, comprising:

[0005] Mounting seat;

[0006] A movable plate, the movable plate is arranged above the mounting seat;

[0007] A connecting plate, the connecting plate being disposed between the mounting seat and the movable plate, with two ends of the connecting plate being hinged to the mounting seat and the movable plate respectively, so that the movable plate can move horizontally toward both sides of the mounting seat; and

[0008] A load-bearing wheel, a mounting hole is provided in the middle of the connecting plate, the load-bearing wheel is arranged at the mounting hole, and the load-bearing wheel is movably connected to the movable plate and the mounting seat.

[0009] Optionally, 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.

[0010] Optionally, the axis of the load-bearing wheel corresponds to the length direction of the movable plate.

[0011] Optionally, the load-bearing wheels are provided in two groups and are respectively arranged at two ends of the connecting plate.

[0012] Optionally, it also includes:

[0013] 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;

[0014] a pulley, disposed on the mounting frame; and

[0015] An adjustment structure, wherein the adjustment structure can drive the mounting frame to move up and down relative to the mounting seat.

[0016] Optionally, the adjustment structure includes a connecting shaft and a strip-shaped hole penetrating through a side surface of the mounting frame, the connecting shaft passes through the strip-shaped hole to be fixedly connected to the mounting seat, and the strip-shaped hole is arranged at an angle.

[0017] 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.

[0018] Compared with the prior art, the beneficial effects of the utility model are: the load-bearing wheels can make the movable plate move left and right more smoothly, and the load-bearing wheels can increase the load-bearing capacity of the connecting plate, prevent the connecting plate from deforming, and ensure the stability of the opening and closing of the window sash. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] Figure 1 It is a top view of the utility model.

[0021] Figure 2 For Figure 1 Schematic diagram of the section along the AA line.

[0022] Figure 3 It is a three-dimensional diagram of the utility model.

[0023] Figure 4 It is a structural schematic diagram of the connecting piece and the load-bearing wheel in the utility model.

[0024] In the figure:

[0025] 100, mounting seat;

[0026] 200, movable plate; 210, limiting wall;

[0027] 300, connecting plate;

[0028] 400, load-bearing wheel;

[0029] 500, mounting frame;

[0030] 600, pulley;

[0031] 700, adjustment structure; 710, connecting shaft; 720, strip hole; 730, adjustment bolt; 740, connecting sleeve. DETAILED DESCRIPTION

[0032] 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.

[0033] 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.

[0034] 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.

[0035] 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.

[0036] like Figures 1 to 4 As shown, an embodiment of the utility model provides a pulley structure, which is installed at the top and bottom of the window sash 500. Specifically, the pulley structure includes a mounting seat 100, a movable plate 200, a connecting plate 300, a load-bearing wheel 400, a mounting frame 500, a pulley 600 and an adjustment structure 700.

[0037] Among them, 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 both sides of the mounting seat 100, that is, the window sash can be changed track through the connecting plate 300 and the movable plate 200, thereby realizing the opening or closing of the window sash.

[0038] Furthermore, a mounting hole 310 is provided in the middle of the connecting plate 300, and the load-bearing wheel 400 is provided at the mounting hole 310. 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. The load-bearing wheel 400 is provided in two groups and is respectively arranged at both ends of the connecting plate 300. The load-bearing wheel 400 can make the movable plate 200 move left and right more smoothly, and the load-bearing wheel 400 can improve the bearing capacity of the connecting plate 300 and prevent the connecting plate 300 from deformation, so as to ensure the stability of the opening and closing of the window sash.

[0039] In one embodiment, 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, thereby improving packaging efficiency, and when connected to the window sash, the staff can assemble more quickly, thereby improving assembly efficiency, having a simple and stable structure, and being easy to process and produce.

[0040] In one embodiment, the pulley structure also includes a mounting frame 500, a pulley 600 and an adjustment structure 700. The bottom of the mounting seat 100 is hollowed out, the mounting frame 500 is arranged at the hollow part of the mounting seat 100, and the pulley 600 is arranged on the mounting frame 500. The pulley 600 slides on the linear groove, thereby driving the window sash 500 to move. Furthermore, the adjustment structure 700 can drive the mounting frame 500 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 adjustment structure 700 to avoid shaking of the window sash 500.

[0041] In some specific embodiments, the adjustment structure 700 includes a connecting shaft 710 and a strip hole 720 passing through the side of the mounting frame 500, the connecting shaft 710 passes through the strip hole 720 and is fixedly connected to the mounting base 100, and the strip hole 720 is inclined, that is, the connecting shaft 710 drives the mounting frame 500 to move along the inclined strip hole 720, thereby enabling the mounting frame 500 to drive the pulley 600 to move up and down.

[0042] In some specific embodiments, the adjustment structure 700 also includes an adjusting bolt 730 and a connecting sleeve 740. The connecting sleeve 740 is fixed to one end of the mounting frame 500. A nut 741 is provided on the connecting sleeve 740. The adjusting bolt 730 passes through the mounting seat 100 and the mounting frame 500 and is threadedly connected to the nut 741. That is, the pulley 600 can be moved up and down by turning the adjusting bolt 730, which makes the operation more convenient.

[0043] 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 pulley structure, characterized in that: include: Mounting seat; A movable plate, the movable plate is arranged above the mounting seat; A connecting plate, the connecting plate is arranged between the mounting seat and the movable plate, and 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; as well as A load-bearing wheel, a mounting hole is provided in the middle of the connecting plate, the load-bearing wheel is arranged at the mounting hole, and the load-bearing wheel is movably connected to the movable plate and the mounting seat.

2. A pulley structure according to claim 1, characterized in that: Also includes: The movable plate is provided with downwardly extending limiting walls on both sides, and the limiting walls can contact the side surfaces of the mounting seat.

3. A pulley structure according to claim 1, characterized in that: The axis of the load-bearing wheel corresponds to the length direction of the movable plate.

4. A pulley structure according to claim 1, 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 pulley structure 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.

6. A pulley structure according to claim 5, 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.

7. A pulley structure according to claim 5, 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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