CN220747987U - Lifting device for sliding window - Google Patents

Abstract

The utility model discloses a lifting window lifting device which comprises a window sash frame and a motor, wherein both ends of the window sash frame are respectively provided with a first fixed pulley, the output end of the motor is connected with a speed reducer with a double-end output shaft, a second fixed pulley and a third fixed pulley are arranged between the first fixed pulley and the speed reducer, a first traction rope and a second traction rope are connected with both sides of the window sash, the traction ropes are positioned through a plurality of fixed pulleys and wound and stretched through the output shafts before being in the vertical direction, and even if the length of the traction ropes is longer, the traction ropes between the speed reducer and the first fixed pulleys can be straightened, and meanwhile, the traction ropes between the first fixed pulleys and the window sash can be straightened under the gravity action of the window sash, so that all released lengths of the traction ropes can be straightened in the lifting process, the traction forces born by both sides of the window sash are consistent, and the window sash traction is smooth.

Description

Lifting device for sliding window

Technical Field

The utility model relates to the technical field of a sliding window, in particular to a sliding window lifting device.

Background

The vertical sliding window is a novel window for vertically sliding a window sash, does not occupy indoor space and has attractive appearance, so the vertical sliding window is favored by wide users. A common sliding window is manually pushed and pulled, and an electric sliding window can be used under the condition of manual inconvenient operation, such as when a window sash is large or the position of the window is high.

The electric sliding window is provided with a lifting device for controlling the window sash to longitudinally move, and when the length of the traction rope required by the sliding window is longer, the two side ropes of the traction window sash can not be straightened in the traction section in the actual traction process, so that traction forces born by the two sides of the window sash are different, and the sliding window is difficult to lift.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a lifting device for a sliding window.

The technical scheme adopted by the utility model is as follows:

a sliding window lifting device comprising:

window sashes;

the window comprises a window sash frame, wherein both ends of the window sash frame are provided with first fixed pulleys;

the motor, the output of motor is connected with the speed reducer, the output of speed reducer is double-end output shaft, the speed reducer is set up in the middle part of the casement frame, be equipped with second fixed pulley and third fixed pulley between first fixed pulley and the speed reducer, the second fixed pulley is set up between first fixed pulley and the third fixed pulley, the height of third fixed pulley is the same with the height of speed reducer output shaft;

one end of the first traction rope is connected with one side of the window sash, and is wound on an output shaft of the speed reducer after passing through the first fixed pulley, the second fixed pulley and the third fixed pulley;

and one end of the second traction rope is connected with the other side of the window sash, and is wound on the other output shaft of the speed reducer after passing through the first fixed pulley, the second fixed pulley and the third fixed pulley.

Further, the second fixed pulley and the third fixed pulley are both fixed on the window sash frame.

Further, a limiter is arranged between the third fixed pulley and the speed reducer, the first traction rope and the second traction rope penetrate through the limiter, and the height of the limiter is the same as that of an output shaft of the speed reducer.

Further, the window sash comprises a support rod, and the speed reducer is fixed on the window sash frame through the support rod.

Further, the window sash comprises a mounting frame, wherein the speed reducer and the first fixed pulley are both fixed on the mounting frame, and the mounting frame is fixed on the window sash frame.

Further, the first traction rope and the second traction rope are two.

Furthermore, each output shaft of the speed reducer is provided with two independent winding areas, and the first fixed pulley is provided with two coaxial rollers.

Further, the window sash is a lower window of the sliding window.

The beneficial effects of the utility model are as follows:

compared with the prior art, the traction rope is positioned through the first fixed pulley, the second fixed pulley and the third fixed pulley before being vertically stretched through the winding of the output shaft, and even if the length of the traction rope is long, the traction rope between the speed reducer and the first fixed pulley can be straightened, and meanwhile, the traction rope between the first fixed pulley and the window sash is straightened under the action of the gravity of the window sash, so that all the released lengths of the traction rope in the lifting process can be straightened, the traction forces born by two sides of the window sash are consistent, and the window sash is smoothly pulled.

Drawings

Fig. 1 is a schematic structural view of a sliding window lifting device according to the present utility model.

Fig. 2 is a top view of the sliding window lifting apparatus of the present utility model.

Fig. 3 is a schematic view of the structure of the first fixed sheave of the present utility model.

In the figure: 1. window sashes; 2. a window sash frame; 3. a motor; 4. a first traction rope; 5. a second traction rope; 6. a first fixed pulley; 7. a speed reducer; 701. an output shaft; 8. a second fixed pulley; 9. a third fixed pulley; 10. a limiter; 11. a support rod; 12. and (5) balancing weights.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described below with reference to the accompanying drawings and embodiments.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1 to 3, the present utility model provides a lifting device for a sliding window, comprising a window sash 1, a window sash frame 2, a motor 3, a first traction rope 4 and a second traction rope 5.

The window casement 1 is the window that needs to carry and draws, and window casement 1 can be the upper window or the lower window of carrying and draw the window, if window casement 1 is the upper window, when the window is closed state, first haulage rope 4 and second haulage rope 5 are in carrying and draw the atress state, break its life easily, therefore window casement 1 is the lower window of carrying and drawing the window preferably, when needs the window, first haulage rope 4 and second haulage rope 5 just can carry and draw the atress.

The window sash frame 2 is fixed on the building wall, which means the window sash frame 2 above the upper window, and both ends of the window sash frame 2 are provided with first fixed pulleys 6.

The output of motor 3 is connected with speed reducer 7, and speed reducer 7's output is double-ended output shaft 701, and speed reducer 7 establishes at the middle part of casement frame 2, adopts speed reducer 7's output shaft 701 to drive first haulage rope 4 and second haulage rope 5, has avoided directly using motor 3 to twine the haulage rope, reduces motor 3 work and to the excessive wearing and tearing of haulage rope, extension haulage rope's life.

A second fixed pulley 8 and a third fixed pulley 9 are arranged between the first fixed pulley 6 and the speed reducer 7, the second fixed pulley 8 is arranged between the first fixed pulley 6 and the third fixed pulley 9, and the height of the third fixed pulley 9 is the same as the height of the output shaft 701 of the speed reducer 7.

The first traction rope 4 and the second traction rope 5 are respectively connected with two sides of the window sash 1 and are used for jointly lifting the window sash 1. One end of the first traction rope 4 is connected with the left side of the window sash 1, and the first traction rope 4 is wound on an output shaft 701 of the speed reducer 7 after passing through a first fixed pulley 6, a second fixed pulley 8 and a third fixed pulley 9 on the left side of the window sash frame 2 in sequence; one end of the second traction rope 5 is connected with the right side of the window sash 1, and the second traction rope 5 is wound on the other output shaft 701 of the speed reducer 7 after passing through the first fixed pulley 6, the second fixed pulley 8 and the third fixed pulley 9 on the right side of the window sash frame 2 in sequence. The double-ended output shaft 701 of the speed reducer 7 winds up the first traction rope 4 and the second traction rope 5, respectively, and since the size and the rotation speed of the double-ended output shaft 701 are identical, the winding or releasing speed of the first traction rope 4 and the second traction rope 5 at the output shaft 701 is identical. Specifically, before the traction rope is in the vertical direction, the traction rope is positioned through the first fixed pulley 6, the second fixed pulley 8 and the third fixed pulley 9 and wound and stretched through the output shaft 701, so that even if the length of the traction rope is long, the traction rope between the speed reducer 7 and the first fixed pulley 6 can be straightened, meanwhile, the traction rope between the first fixed pulley 6 and the window sash 1 can be straightened under the gravity action of the window sash 1, so that all the released lengths of the traction rope in the lifting process can be straightened, the traction forces born by two sides of the window sash 1 are consistent, and the window sash 1 is smoothly pulled.

Further, the second fixed pulley 8 and the third fixed pulley 9 are fixed on the window sash frame 2.

Further, a limiter 10 is arranged between the third fixed pulley 9 and the speed reducer 7, the first traction rope 4 and the second traction rope 5 penetrate through the limiter 10, the height of the limiter 10 is the same as that of the output shaft 701 of the speed reducer 7, and meanwhile, the height of the third fixed pulley 9 is the same as that of the output shaft 701 of the speed reducer 7, so that the traction rope is further ensured to be straightened.

Further, the utility model also comprises a supporting rod 11, and the speed reducer 7 is fixed on the window sash frame 2 through the supporting rod 11. The utility model also comprises a mounting frame, wherein the speed reducer 7, the first fixed pulley 6, the second fixed pulley 8 and the third fixed pulley 9 are all fixed on the mounting frame, the mounting frame is fixed on the window sash frame 2, and the mounting frame integrates the parts arranged on the window sash frame 2 into a whole, so that the lifting device is convenient to install.

Further, the first traction rope 4 and the second traction rope 5 are two. Two independent winding areas are arranged on each output shaft 701 of the speed reducer 7, and two coaxial rollers are also arranged on the first fixed pulley 6, the second fixed pulley 8 and the third fixed pulley 9 referring to fig. 3. Two traction ropes are respectively arranged on two sides of the window sash 1, so that stability of the lifting device is improved, and failure of the lifting device caused by breakage of one traction rope is avoided.

As the preferred mode, the first traction rope 4 and the second traction rope 5 are provided with the balancing weights 12 above the position connected with the window sash 1, when the lifting device is installed or maintained, the balancing weights 12 are firstly used for straightening the first traction rope 4 and the second traction rope 5, after the lengths of the first traction rope 4 and the second traction rope 5 are adjusted, the first traction rope 4 and the second traction rope 5 are connected to two sides of the window sash 1, the balancing weights 12 are arranged, the first traction rope 4 and the second traction rope 5 are convenient to adjust, so that the installation or maintenance operation of the lifting device is more convenient, and the lifting device can work normally.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. A sliding window lifting device, comprising:

a window sash (1);

the window comprises a window sash frame (2), wherein both ends of the window sash frame (2) are provided with first fixed pulleys (6);

the motor (3), the output of motor (3) is connected with speed reducer (7), the output of speed reducer (7) is double-ended output shaft (701), speed reducer (7) are established in the middle part of casement frame (2), be equipped with second fixed pulley (8) and third fixed pulley (9) between first fixed pulley (6) and speed reducer (7), second fixed pulley (8) are established between first fixed pulley (6) and third fixed pulley (9), the height of third fixed pulley (9) is the same with the height of speed reducer (7) output shaft (701);

one end of the first traction rope (4) is connected with one side of the window sash (1), and the first traction rope is wound on an output shaft (701) of the speed reducer (7) after passing through the first fixed pulley (6), the second fixed pulley (8) and the third fixed pulley (9);

the second traction rope (5), one end of the second traction rope (5) is connected with the other side of the window sash (1), and the second traction rope is wound on the other output shaft (701) of the speed reducer (7) after passing through the first fixed pulley (6), the second fixed pulley (8) and the third fixed pulley (9).

2. A sliding window lifting device according to claim 1, characterized in that the second fixed pulley (8) and the third fixed pulley (9) are both fixed to the sash frame (2).

3. A sliding window lifting device according to claim 1, characterized in that a limiter (10) is arranged between the third fixed pulley (9) and the speed reducer (7), the first traction rope (4) and the second traction rope (5) both penetrate through the limiter (10), and the height of the limiter (10) is the same as the height of the output shaft (701) of the speed reducer (7).

4. A sliding window lifting device according to claim 1, further comprising a support bar (11), wherein the speed reducer (7) is fixed to the sash frame (2) via the support bar (11).

5. A sliding window lifting device according to claim 1, characterized in that it further comprises a mounting frame, on which the speed reducer (7) and the first fixed pulley (6) are both fixed, said mounting frame being fixed to the sash frame (2).

6. A sliding window lifting device according to claim 1, characterized in that the first traction rope (4) and the second traction rope (5) are two.

7. A sliding window lifting device according to claim 6, characterized in that each output shaft (701) of the speed reducer (7) is provided with two independent winding areas, and the first fixed pulley (6) is provided with two coaxial rollers.

8. A sliding window lifting device according to claim 1, characterized in that the sash (1) is the lower window of the sliding window.