Lifting device

Abstract

The utility model belongs to the technical field of door and window accessories, and particularly relates to a lifting device which is applied to a door and window which comprises a window frame and a window sash hinged to the window frame, and is characterized in that a first mounting position is arranged on the window frame, a second mounting position is arranged on the window sash, and the first mounting position is higher than the second mounting position; the lifting device comprises a connecting piece, a movable piece, a pulling rope and an elastic piece, one of the connecting piece and the movable piece is arranged on the first installation position, the other one is arranged on the second installation position, the pulling rope is connected with the connecting piece and the movable piece and is in a tensioning state so that the window sash can be perpendicular to the horizontal plane, and the elastic piece is connected with the movable piece. The movable part can move in the vertical direction. Upward pulling force is applied to the window sash through the pulling rope in the tensioning state, and the problem that the window sash droops can be avoided; the elastic piece is matched with the movable piece, it can be guaranteed that the movable piece can still move when the pulling rope is in a tensioned state, and it is guaranteed that the window sash can be opened and closed smoothly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to door and window accessory technical field, especially relate to a lifting device. BACKGROUND

[0002] In the modern architectural decoration field, the outer flat open top-hung window becomes a kind of system window type widely used in family residence by its good ventilation, rainproof and aesthetic.

[0003] However, with the improvement of people's demand for window lighting and vision, the sash size of the outer flat open top-hung window is continuously increased, and in order to meet the performance requirements of heat insulation, sound insulation, etc., large-area and thicker glass is generally installed on the sash, which makes the weight of the sash greatly increase, and the increase of the weight of the sash easily leads to the sagging problem of the sash, affecting the use of the sash. INVENTION CONTENTS

[0004] The utility model aims at providing a lifting device which can solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the utility model embodiment provides a lifting device applied to door and window, the door and window include window frame and sash, the window frame is hinged with the sash, the first mounting position is arranged on the window frame, the second mounting position is arranged on the sash, the first mounting position is higher than the second mounting position, the lifting device includes connecting piece, movable piece, traction rope and elastic piece;

[0006] One of the connecting piece and the movable piece is arranged on the first mounting position, and the other is arranged on the second mounting position;

[0007] The traction rope connects the connecting piece and the movable piece and is in tension state, so that the sash can be perpendicular to the horizontal plane;

[0008] The elastic piece is connected with the movable piece, the movable piece can move vertically, when the sash is opened, the traction rope can pull the movable piece to move vertically from the first position to the second position, when the sash is closed, the elastic piece can drive the movable piece to move from the second position to the first position.

[0009] Optionally, the connecting piece is arranged on the first mounting position through the first mounting seat, and the movable piece is arranged on the second mounting position through the second mounting seat;

[0010] The second mounting seat is provided with a guide hole arranged vertically, and the movable piece is movably connected with the guide hole.

[0011] Optionally, the elastic member is a spring, the second mounting base is provided with a containing groove, the guide hole is arranged on the lower side wall of the containing groove and communicates with the containing groove, and the spring is vertically arranged in the containing groove, and the upper end of the movable member extends into the containing groove and abuts against the spring.

[0012] The upper side wall of the containing groove is provided with a through hole corresponding to the guide hole, and the traction rope passes through the through hole and the spring from top to bottom and is fixedly connected with the upper end of the movable member.

[0013] Optionally, the left and right side walls of the containing groove are respectively provided with limiting walls, and the two limiting walls extend horizontally in opposite directions to limit the spring.

[0014] Optionally, the first mounting base is provided with a first connecting hole arranged vertically, the connecting member is threadedly connected with the first connecting hole, and the upper end of the connecting member is provided with an adjusting groove.

[0015] Optionally, the first mounting base is further provided with a second connecting hole, the second connecting hole communicates with the first connecting hole, the axial direction of the second connecting hole is perpendicular to the axial direction of the first connecting hole, the second connecting hole is provided with a limiting member threadedly connected with the second connecting hole, and the limiting member can tightly abut against the connecting member.

[0016] Optionally, the first mounting base is provided with a limiting protrusion, the limiting protrusion is located below the connecting member, and the lower end of the connecting member can abut against the limiting protrusion.

[0017] Optionally, the first mounting base is provided with a limiting protrusion, the limiting protrusion is located below the connecting member, and the lower end of the connecting member can abut against the limiting protrusion.

[0018] Optionally, the first mounting base is further provided with a positioning member, the positioning member penetrates through the first mounting base and is threadedly connected with the first mounting base, and the penetrating end of the positioning member can abut against the bottom wall of the clamping groove.

[0019] Optionally, the traction rope is a steel wire rope.

[0020] Compared with the prior art, the utility model discloses the beneficial effect is: through the traction rope of the tension state to the window sash exert the tension of going up, can effectively balance the tendency of the window sash because of the gravity and the weight of glass and produce the droop, ensure that the window sash is always perpendicular to the horizontal plane, guarantee that the window sash and window frame can good cooperation, avoid the problem such as the sealing of the window sash droop not strict, difficult to open and so on because of the window sash droop, the cooperation of elastic part and movable part can guarantee that the traction rope is under the tension state, and the movable part still can move, guarantee that the window sash can open and close smoothly, and the overall structure of this lifting device is simple, and convenient for production. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the description of prior art needed to use the drawing briefly introduce, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0022] Fig. 1 It is the structural schematic diagram of the utility model for installing on the window frame and the window sash.

[0023] Fig. 2 It is the structural schematic diagram of the utility model.

[0024] Fig. 3 It is the explosion schematic diagram of the second mounting seat, movable part and elastic part in the utility model.

[0025] Fig. 4 It is the explosion schematic diagram of the first mounting seat, connecting piece and clamping plate in the utility model.

[0026] Fig. 5 It is the structural schematic diagram of the first mounting seat in the utility model and installs on the window frame.

[0027] In the drawing:

[0028] 100, connecting piece;110, adjusting groove;120, second connecting hole;121, limiting piece;

[0029] 200, movable part;210, gasket;

[0030] 300, traction rope;

[0031] 400, elastic part;

[0032] 500, first mounting seat;510, first connecting hole;520, limiting protrusion;530, positioning piece;

[0033] 600, second mounting seat;610, containing groove;611, guide hole;612, through hole;613, limiting wall;

[0034] 700, card plate; 710, fastener;

[0035] 800, window frame; 810, clamping groove;

[0036] 900, window sash. DETAILED DESCRIPTION

[0037] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0038] In the description of the embodiments of the present application, it should be understood that, if the present application embodiments involve directional indications, such as up, down, left, right, front, back, in, out, and the like, the orientation or positional relationship shown in the drawings is based on the orientation or positional relationship, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0039] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0040] In the embodiments of the present application, unless otherwise specifically defined and limited, if there are terms such as "mounting", "connecting", "connecting", "fixing" and the like, they should be understood in a broad sense, for example, they can be fixedly connected, or they can be detachably connected, or they can be integrated. It can be mechanical connection, or electrical connection. It can be directly connected, or indirectly connected through an intermediate medium. It can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0041] As Figs. 1 to 5The utility model discloses an elevating gear applied to door and window, and the door and window include window frame 800 and window sash 900, the window frame 800 is hinged with the window sash 900, the first installation position (not shown in the drawing) is arranged on the window frame 800, the second installation position (not shown in the drawing) is arranged on the window sash 900, the first installation position is higher than the second installation position, specifically, the first installation position is close to the upper end of the window frame 800, and the second installation position is close to the lower end of the window sash 900.

[0042] Further, the elevating gear includes connecting piece 100, movable piece 200, traction rope 300 and elastic piece 400, wherein one of connecting piece 100 and movable piece 200 is arranged on the first installation position, and the other is arranged on the second installation position, traction rope 300 connects connecting piece 100 and movable piece 200 and is in tension state, so that the window sash 900 can be perpendicular to the horizontal plane, specifically, traction rope 300 is preferably steel wire rope to improve service life, further, elastic piece 400 is connected with movable piece 200, movable piece 200 can move along the vertical direction, when the window sash 900 is opened, traction rope 300 can pull movable piece 200 to move from the first position to the second position along the vertical direction, when the window sash 900 is closed, elastic piece 400 can drive movable piece 200 to move from the second position to the first position.

[0043] That is, by the traction rope 300 in tension state to the window sash 900 exert upward pulling force, can effectively balance the window sash 900 due to its own gravity and glass weight produces the drooping tendency, ensure that the window sash 900 is always perpendicular to the horizontal plane, maintain the good cooperation of the window sash 900 and the window frame 800, avoid the problem such as sealing not tight, difficult to open caused by the window sash 900 drooping, the cooperation of elastic piece 400 and movable piece 200 can ensure that traction rope 300 is in tension state, movable piece 200 can still move from the first position to the second position, so that the window sash 900 can be opened and closed.

[0044] In an embodiment, connecting piece 100 is arranged on the first installation position through first mounting seat 500, movable piece 200 is arranged on the second installation position through second mounting seat 600, further, second mounting seat 600 is provided with guide hole 611 arranged along the vertical direction, movable piece 200 is movably connected with guide hole 611, that is, movable piece 200 is guided through guide hole 611, so that movable piece 200 does not deviate or shake in the movement process, ensuring the smoothness and stability of the movement of movable piece 200 when the window sash 900 is opened and closed.

[0045] In some specific embodiments, the elastic member 400 is preferably a spring, and more specifically, the spring can be a compression spring or a tension spring, and in the present embodiment, the spring is preferably a compression spring. Further, the second mounting base 600 is provided with a containing groove 610, wherein a guide hole 611 is formed in the lower side wall of the containing groove 610 and communicates with the containing groove 610. The spring is vertically arranged in the containing groove 610, and the upper end of the movable member 200 extends into the containing groove 610 and abuts against the spring. Specifically, the lower end of the movable member 200 abuts against the lower end of the spring through the gasket 210. Further, the upper side wall of the containing groove 610 is provided with a through hole 612 corresponding to the guide hole 611. The traction rope 300 passes through the through hole 612 and the spring from top to bottom and is fixedly connected to the upper end of the movable member 200. The traction rope 300 can exert an upward pulling force on the movable member 200 through the through hole 612. The overall structure is compact, and the installation space can be saved.

[0046] In an embodiment, the left and right side walls of the containing groove 610 are respectively provided with limiting walls 613, which are horizontally arranged towards opposite directions to limit the spring. When the spring is placed in the containing groove 610, the spring is limited by bending the two limiting walls 613 inwardly to avoid falling out of the containing groove 610 during installation.

[0047] In an embodiment, the first mounting base 500 is provided with a first connecting hole 510 arranged vertically. The connecting member 100 is threadedly connected to the first connecting hole 510. The installer can rotate the connecting member 100 according to the actual situation of the window sash 900 to make the traction rope 300 pull the window sash 900 to make the window sash 900 vertical. Further, the upper end of the connecting member 100 is provided with an adjusting groove 110. The adjusting groove 110 facilitates the use of a wrench to rotate the connecting member 100 to adjust the position of the connecting member 100 in the first connecting hole 510, thereby improving the convenience of operation. Specifically, the adjusting groove 110 is hexagonal.

[0048] In an embodiment, the first mounting base 500 is further provided with a second connecting hole 120. The second connecting hole 120 communicates with the first connecting hole 510, and the axial direction of the second connecting hole 120 is perpendicular to the axial direction of the first connecting hole 510. The second connecting hole 120 is provided with a limiting member 121 threadedly connected to the second connecting hole 120. The limiting member 121 can tightly abut against the connecting member 100. Specifically, the limiting member 121 is preferably a close screw. Tightening the limiting member 121 can fix the connecting member 100 on the first mounting base 500 to prevent the connecting member 100 from loosening or shifting during use, thereby ensuring the stability of the connecting member 100.

[0049] In an embodiment, the first mounting base 500 is provided with a limiting protrusion 520, the limiting protrusion 520 is located below the connecting piece 100, the lower end of the connecting piece 100 can abut against the limiting protrusion 520, when the thread on the connecting piece is broken or the like, the connecting piece 100 will abut against the limiting protrusion 520 under the traction of the traction rope 300, so as to ensure the stability of the connecting piece 100 and improve the safety.

[0050] In an embodiment, the lifting device is further provided with a clamping plate 700, the clamping plate 700 is located on the side of the first mounting base 500 facing the window frame 800, the first mounting base 500 is connected with the clamping plate 700 through a fastener 710, the window frame 800 is provided with a clamping groove 810 matched with the clamping plate 700, through the cooperation of the clamping plate 700, the clamping groove 810 and the fastener 710, the first mounting base 500 can be quickly positioned and fixed, which is convenient for disassembly and assembly and beneficial for subsequent disassembly, assembly, maintenance and replacement.

[0051] In an embodiment, the first mounting base 500 is further provided with a positioning piece 530, the positioning piece 530 penetrates through the first mounting base 500 and is threadedly connected with the first mounting base 500, the penetrating end of the positioning piece 530 can abut against the bottom wall of the clamping groove 810, specifically, the positioning piece 530 is preferably a set screw, which can further improve the stability of the first mounting base 500 after installation.

[0052] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A lifting device applied to a door and window, the door and window comprising a window frame and a window sash, the window frame being hinged with the window sash, characterized in that, The first mounting position is higher than the second mounting position, the lifting device comprises a connecting piece, a movable piece, a traction rope and an elastic piece; One of the connecting piece and the movable piece is arranged on the first mounting position, and the other is arranged on the second mounting position; The traction rope is connected to the connecting piece and the movable piece and is in a tension state, so that the sash can be perpendicular to the horizontal plane; The elastic piece is connected to the movable piece, the movable piece can move vertically, when the sash is opened, the traction rope can pull the movable piece to move vertically from a first position to a second position; when the sash is closed, the elastic piece can drive the movable piece to move from the second position to the first position.

2. The lifting device according to claim 1, wherein The connecting piece is arranged on the first mounting position through a first mounting seat, and the movable piece is arranged on the second mounting position through a second mounting seat; The second mounting seat is provided with a guide hole arranged vertically, and the movable piece is movably connected to the guide hole.

3. The lifting device according to claim 2, wherein The elastic piece is a spring, the second mounting seat is provided with a containing groove, the guide hole is formed in the lower side wall of the containing groove and communicates with the containing groove, the spring is arranged vertically in the containing groove, and the upper end of the movable piece extends into the containing groove and abuts against the spring; The upper side wall of the containing groove is provided with a through hole corresponding to the guide hole, and the traction rope passes through the through hole and the spring from top to bottom and is fixedly connected to the upper end of the movable piece.

4. The lifting device according to claim 3, wherein Limiting walls are arranged on the left and right side walls of the containing groove respectively, and the two limiting walls extend horizontally in opposite directions to limit the spring.

5. The lifting device according to claim 2, wherein The first mounting seat is provided with a first connecting hole arranged vertically, the connecting piece is threadedly connected to the first connecting hole, and the upper end of the connecting piece is provided with an adjusting groove.

6. The lifting device according to claim 5, wherein The first mounting seat is further provided with a second connecting hole, the second connecting hole communicates with the first connecting hole, the axial direction of the second connecting hole is perpendicular to the axial direction of the first connecting hole, a limiting piece is arranged at the second connecting hole and is threadedly connected to the second connecting hole, and the limiting piece can tightly abut against the connecting piece.

7. The lifting device according to claim 2, wherein The first mounting seat is provided with a limiting protrusion below the connecting piece, and the lower end of the connecting piece can abut against the limiting protrusion.

8. A lifting device according to claim 2, wherein, Further comprising: A clamping plate, the clamping plate is located on the side of the first mounting seat facing the window frame, the first mounting seat is connected to the clamping plate through a fastener, and the window frame is provided with a clamping groove matched with the clamping plate.

9. The lifting device according to claim 8, wherein The first mounting seat is further provided with a positioning member penetrating through the first mounting seat and being threadedly connected with the first mounting seat, and the penetrating end of the positioning member can abut against the bottom wall of the clamping groove.

10. A lifting device according to any one of claims 1 to 9, wherein, The traction rope is a steel wire rope.

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