CN217812994U - Multifunctional tensioning device for electric window sash - Google Patents

Abstract

The utility model discloses an electric window fan uses multi-functional overspeed device tensioner, which comprises a base plate, the regulating plate, the bearing frame, the transmission shaft, action wheel and take-up pulley, the regulating plate is installed to the base plate top, two take-up pulleys pass through the fixed axle and install on the regulating plate, it has the mounting groove to process on the base plate that two take-up pulleys are close to indoor one side, install the bearing frame on the inner wall of mounting groove, the suit transmission shaft on the bearing frame, transmission shaft bottom processing has the spacing hole, processing has the hole of dodging that aligns with spacing pore on the section bar at top in the window frame, the cover is equipped with the action wheel such as height with the take-up pulley on the transmission shaft, the hold-in range is omega type suit on the action wheel. The utility model discloses an installation regulating plate on the base plate, the rate of tension of adjustable hold-in range is simultaneously at the spacing hole of transmission shaft bottom processing to processing and the hole of dodging that spacing pore pair was aligned on the window frame section bar, can pass through outside power supply drive hold-in range rotation from the casement bottom after the motor trouble, with the manual of realization casement is opened and close.

Description

Multifunctional tensioning device for electric window sash

Technical Field

The utility model relates to a window field especially relates to an electronic casement uses multi-functional overspeed device tensioner.

Background

The electric window is the window that realizes automatic opening or closing through mechanical motion, and current electric window is mostly at window frame both sides installation lead screw, drives the lead screw through the hold-in range and rotates and drive the casement and open and close, but the lead screw has auto-lock nature, then can't realize manual shut-off or window opening if motor failure, and the hold-in range needs the closed loop just can realize rotary drive moreover, because the size of every window is different, therefore the size of hold-in range also distinguishes, if the hold-in range not the transmission of tensioning then meeting the casement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic casement is with multi-functional overspeed device tensioner, this overspeed device tensioner can conveniently adjust the elasticity of hold-in range, still can realize manual drive synchronous belt drive simultaneously to the condition that can't realize manual window or open window when dealing with motor failure.

The utility model aims at realizing through the following technical scheme:

the utility model provides an electronic casement is with multi-functional overspeed device tensioner, including base plate, regulating plate, bearing frame, transmission shaft, action wheel and take-up pulley, the base plate is installed in the section bar at window frame top, the regulating plate is installed to the base plate top, two take-up pulleys pass through the fixed axle and rotationally install on the regulating plate along hold-in range length direction, two take-up pulleys are close to processing on the base plate of indoor one side and have the mounting groove, install the bearing frame on the inner wall of mounting groove, the cover is equipped with rotatable transmission shaft on the bearing frame, the processing has the hole of dodging that aligns with spacing pore space bottom, processing has the action wheel such as height with the take-up pulley on the section bar at top in the window frame, the hold-in range is omega type suit on the action wheel.

Install the fixed ear that upwards extends to rise on the base plate of mounting groove both sides, processing has the bending plate parallel with fixed ear on the regulating plate, and threaded connection has the adjusting bolt who promotes the bending plate and remove on the fixed ear.

And a supporting shaft is arranged on one side of the adjusting plate, which is far away from the driving wheel, and a driven wheel with the same height as the driving wheel is sleeved on the supporting shaft.

An avoiding groove for avoiding the fixed shaft and the supporting shaft is processed on the base plate.

The adjusting plate both sides processing have with hold-in range vertically adjustment tank, install two and base plate fixed connection's stop screw in the adjustment tank.

The utility model provides a beneficial effect that multi-functional overspeed device tensioner for electric window fan has is:

(1) The adjusting plate is arranged on the base plate, the tension degree of the synchronous belt can be adjusted through movement of the adjusting plate, so that the driving wheel can normally drive the synchronous belt to rotate, meanwhile, a limiting hole is formed in the bottom end of the transmission shaft, an avoiding hole aligned with the limiting hole is formed in a window frame profile, the synchronous belt can be driven to rotate from the bottom of a window sash through an external power source after a motor fails, manual opening and closing of the window sash are achieved, and the problem that the window sash cannot be opened and closed after the motor of the conventional electric window fails is solved;

(2) The fixing lugs are arranged on the base plates on the two sides of the mounting groove, and the adjusting bolts are arranged on the fixing lugs to push the adjusting plate to move, so that the synchronous belt can be tightened in a narrow space of a window frame to ensure the transmission effect of the synchronous belt;

(3) The driven wheel is arranged on one side, far away from the driving wheel, of the adjusting plate, the driven wheel can be used for supporting the synchronous belt under the condition that a window sash is wide, so that the straightness of the synchronous belt is guaranteed, the phenomenon that the middle of the synchronous belt is dropped due to the fact that the length of the synchronous belt is long to influence the transmission effect is avoided, meanwhile, the driven wheel can be pushed open by the synchronous belt on the other side, so that the interference of the motion of the synchronous belts on two sides is avoided, and the transmission stability is guaranteed;

(4) Through setting up the adjustment tank on the regulating plate to set up the stop screw who fixes with the base plate in the adjustment tank, can utilize stop screw to fix the regulating plate with the base plate and be connected after the regulating plate adjusts in place, thereby guarantee overspeed device tensioner's structural stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

Fig. 1 is a schematic structural diagram i according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram ii provided in the embodiment of the present invention.

Fig. 3 is an exploded view provided by an embodiment of the present invention.

Fig. 4 is an installation schematic diagram provided by the embodiment of the present invention.

Fig. 5 is a schematic view of the manual operation of the crank handle provided by the embodiment of the present invention.

Reference numerals are as follows: 1. a substrate; 11. fixing the lug; 12. adjusting the bolt; 13. an avoidance groove; 14. mounting grooves; 2. an adjusting plate; 21. a bending plate; 22. a support shaft; 23. a driven wheel; 24. an adjustment groove; 25. a limit screw; 3. a bearing seat; 4. a drive shaft; 41. a limiting hole; 5. a driving wheel; 6. a tension pulley; 61. a fixed shaft; 7. a synchronous belt; 8. a window frame; 81. avoiding the hole.

Detailed Description

Examples

As shown in fig. 1 to 3, the multifunctional tensioning device for an electric window sash provided in this embodiment includes a base plate 1, an adjusting plate 2, a bearing seat 3, a transmission shaft 4, a driving wheel 5 and tensioning wheels 6, wherein the base plate 1 is installed in a section bar in the middle of the top of a window frame 8 and is fixedly connected with the section bar of the window frame 8 through screws, the adjusting plate 2 is installed above the base plate 1, two tensioning wheels 6 are rotatably installed on the adjusting plate 2 along the length direction of a synchronous belt 7 through a fixing shaft 61, two tensioning wheels 6 are processed with an installation groove 14 on the base plate 1 near the indoor side, the bearing seat 3 is installed on the inner wall of the installation groove 14, the bearing seat 3 is in a T-shaped structure, two ends of the bearing seat 3 are fixedly connected with the inner wall of the installation groove 14 through screws, the rotatable transmission shaft 4 is sleeved on the bearing seat 3, the limiting hole 41 is formed in the bottom end of the transmission shaft 4, the limiting hole 41 is preferably an inner hexagonal blind hole or a polygonal hole with a limiting effect, an avoiding hole 81 aligned with the limiting hole 41 is formed in a section at the inner top of the window frame 8, the transmission shaft 4 is sleeved with the driving wheel 5 which is equal to the tension wheel 6 in height, the synchronous belt 7 is sleeved on the driving wheel 5 in an omega shape, after the motor fails to be normally driven, the driving wheel can be used as a power source for manual output through an electric drill or a crank, a rotating shaft matched with the outline of the limiting hole 41 is installed on the electric drill or the crank to drive the driving shaft to rotate, manual control over opening and closing of the window sash is achieved, and in order to avoid exposure of the transmission shaft 4, a cover plate can be installed on the avoiding hole 81 of the window frame 8 to block the avoiding hole 81.

As shown in fig. 1 and 3, in order to facilitate the adjustment of the position of the adjustment plate 2, fixing lugs 11 extending upward are mounted on the base plate 1 on both sides of the mounting groove, a bending plate 21 parallel to the fixing lugs 11 is processed on the adjustment plate 2, an adjustment bolt 12 for pushing the bending plate 21 to move is connected to the fixing lugs 11 through a thread, when the adjustment bolt 12 is rotated, the bending plate 21 is pushed to move the adjustment plate 2 on the base plate 1 toward the opposite synchronous belt 7, because the driving wheel 5 is fixed on the base plate 1 through the bearing seat 3, when the adjustment plate 2 moves, the synchronous belt 7 is tightened through the tension wheel 6, thereby ensuring the transmission stability of the synchronous belt 7.

As shown in fig. 1 and 3, in order to avoid mutual interference between the synchronous belts 7 on the two sides when the synchronous belts 7 are tensioned, a support shaft 22 is installed on one side of the adjusting plate 2 away from the driving wheel 5, a driven wheel 23 having the same height as the driving wheel 5 is sleeved on the support shaft 22, the driven wheel 23 is installed on the support shaft 22 through a bearing to keep the driven wheel in a free state, the driven wheel 23 can support the synchronous belt 7 in the middle when the window frame 8 profile is wider, and the influence of the middle falling caused by the long length of the synchronous belts 7 on the transmission efficiency is avoided; meanwhile, the device can also play a limiting role and is used for preventing the synchronous belts 7 on two sides from approaching to cause movement interference when the synchronous belts 7 are tensioned, so that the transmission stability of the synchronous belts 7 is ensured.

As shown in fig. 2 and 3, in order to ensure that the fixed shaft 61 and the support shaft 22 interfere with the base plate 1 when the adjusting plate 2 is adjusted, the base plate 1 is formed with an escape groove 13 for avoiding the fixed shaft 61 and the support shaft 22.

As shown in fig. 1 and 3, two sides of the adjusting plate 2 are provided with adjusting grooves 24 perpendicular to the synchronous belt 7, two limit screws 25 fixedly connected with the base plate 1 are installed in the adjusting grooves 24, and the adjusting plate 2 can be ensured to move straightly by the two limit screws 25 to prevent separation.

The utility model discloses a use method is:

during the use, install overspeed device tensioner on window frame 8, then with hold-in range 7 around putting on the synchronizing wheel on the lead screw of window frame 8 both ends, hold-in range 7 middle part is omega type around putting on action wheel 5 and two take-up pulleys 6, then rotatory adjusting bolt 12, adjusting bolt 12 is rotatory to be promoted the bending plate 21 and to make regulating plate 2 move on base plate 1, make hold-in range 7 tensioning, screw stop screw 25 after the hold-in range 7 tensioning, install motor drive transmission shaft 4 at transmission shaft 4 top at last and rotate, realize opening and close of casement.

After the motor fails, as shown in fig. 4 and 5, the cover plate on the avoiding hole 81 of the window frame 8 is opened, then the electric drill or the hand crank is used as a driving force, and the rotating shaft matched with the contour of the limiting hole 41 is arranged on the electric drill or the hand crank to drive the transmission shaft 4 to rotate so as to realize the manual opening and closing of the window sash.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model provided by the present invention should be covered within the protection scope of the present invention. It should be noted that the structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and technologies are omitted so as to not unnecessarily limit the invention.

Claims (5)

1. The utility model provides an electronic casement is with multi-functional overspeed device tensioner which characterized in that: including the base plate, the regulating plate, the bearing frame, the transmission shaft, action wheel and take-up pulley, the base plate is installed in the section bar at window frame top, the regulating plate is installed to the base plate top, two take-up pulleys rotationally install on the regulating plate along hold-in range length direction through the fixed axle, it has the mounting groove to process on the base plate that two take-up pulleys are close to indoor one side, install the bearing frame on the inner wall of mounting groove, the cover is equipped with rotatable transmission shaft on the bearing frame, the processing of transmission shaft bottom has the spacing hole of dodging with spacing pore pair, the cover is equipped with the action wheel of height such as with the take-up pulley on the transmission shaft, the hold-in range is omega type suit on the action wheel.

2. The multifunctional tensioning device for the power window sash according to claim 1, wherein: the base plate of mounting groove both sides is installed on and is upwards extended the fixed ear that rises, processing has the bending plate parallel with fixed ear on the regulating plate, and threaded connection has the adjusting bolt that promotes the bending plate and remove on the fixed ear.

3. The multifunctional tensioning device for the power window sash according to claim 1, wherein: and a supporting shaft is arranged on one side of the adjusting plate, which is far away from the driving wheel, and a driven wheel with the same height as the driving wheel is sleeved on the supporting shaft.

4. The multifunctional tensioning device for the power window sash according to claim 3, wherein: and an avoiding groove which avoids the fixed shaft and the supporting shaft is processed on the base plate.

5. The multifunctional tensioning device for the power window sash according to claim 1, wherein: the adjusting plate both sides processing have with hold-in range vertically adjustment tank, install two and base plate fixed connection's stop screw in the adjustment tank.

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