Electric and manual two-drive type winding mechanism

Abstract

The utility model relates to the technical field of roller shutters, and discloses an electric and manual dual-drive type rolling mechanism which comprises a fixing plate, a fixing block is fixedly connected to the inner wall of the fixing plate, a coupler is fixedly connected to the outer wall of the front end of the fixing plate, a driving motor is arranged on the lower surface of the coupler, and a driving motor is arranged on the lower surface of the coupler. A spline is arranged at the end, close to the fixing plate, of the coupler. According to the automatic lifting device, the driving motor can be powered on to work and rotate so as to indirectly drive the roller to automatically rotate, the automatic lifting function of objects on the roller is achieved, and the spline and the output shaft of the driving motor can be disconnected by pulling the motor to be separated from the steel wire rope and pulling the chain wheel to be separated from the steel wire rope. Therefore, the lifting chain can be manually pulled to drive the chain wheel to rotate, the roller is driven to rotate, the manual lifting function is achieved, the automatic and manual switching function of the roller shutter industry can be achieved, flexible adjustment can be achieved according to different use scenes, and better user experience is provided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a roller shutter technical field especially relates to a kind of electric manual two-drive type winding mechanism. BACKGROUND

[0002] The roller shutter winding mechanism is a mechanical device that can control the opening and closing of the roller shutter, widely used in the fields of window curtains, door curtains, sunshades, etc. Its basic principle is to wind or unwind the curtain fabric or sunshade cloth through a roller shaft, achieving the effects of sunshade, privacy protection or decoration, and playing an important role in life.

[0003] Most existing winding mechanisms gradually develop from manual operation to electrification and intelligentization. However, when the power is interrupted, the system fails or the user's demand for electric control is low, the electric winding mechanism often cannot be used. In addition, some existing roller shutter winding mechanisms mostly support only a single control mode and cannot be flexibly adjusted when facing different use places or special needs, thus greatly limiting the mechanism.

[0004] Therefore, the skilled person in the art provides an electric manual two-drive type winding mechanism to solve the problems raised in the background art. SUMMARY

[0005] The utility model aims at solving the shortcomings in the prior art and provides an electric manual two-drive type winding mechanism. The device can indirectly drive the automatic rotation of the drum by rotating the driving motor through power supply, realizing the automatic lifting function of the objects on the drum. Pulling the motor away from the steel wire rope and the chain wheel away from the steel wire rope can disconnect the spline from the output shaft of the driving motor, so that the lifting chain can be manually pulled to drive the chain wheel to rotate, thereby driving the drum to rotate, realizing the manual lifting function, and further enabling the device to realize the automatic and manual switching function in the roller shutter industry. It can be flexibly adjusted according to different use scenarios to provide better user experience.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] An electric manual two-drive type winding mechanism includes a fixed plate, the inner wall of the fixed plate is fixedly connected with a fixed block, the front end outer wall of the fixed plate is fixedly connected with a shaft coupling, the lower surface of the shaft coupling is provided with a driving motor, one end of the shaft coupling close to the fixed plate is provided with a spline, the middle part of the spline outer wall is fixedly connected with a chain gear, the front end of the chain gear is provided with a chain wheel yoke, the front end of the spline outer wall is sleeved with a motor end sliding sleeve yoke.

[0008] The rear end of the middle part of the spline outer wall is sleeved with a sprocket return spring, the middle part of the inner bottom surface of the fixed block is fixedly connected with a sprocket original position limiter, the rear end of the inner wall of one side of the fixed block is fixedly connected with a second pulley fixed frame, the inner wall of the second pulley fixed frame is sleeved with a motor disengaging steel wire rope, one side of the front end of the inner bottom surface of the fixed block is fixedly connected with a first pulley fixed frame, and the inner wall of the first pulley fixed frame is sleeved with a sprocket disengaging steel wire rope.

[0009] Through the above technical scheme, the device can realize automatic and manual switching function in the roller shutter industry. Even if there is no power supply or power interruption, the user can still control the roller shutter manually, which can ensure that the roller shutter can still be used in emergency situations, plays an important role in safety protection and privacy protection, can be flexibly adjusted according to different use scenes, and provides better user experience.

[0010] Further, one side of the middle part of the inner bottom surface of the fixed block is fixedly connected with a sprocket yoke foot seat, the sprocket yoke foot seat is hingedly connected with a sprocket yoke, and the lower end of the outer wall of the front end of the sprocket yoke is fixedly connected with the sprocket disengaging steel wire rope.

[0011] Through the above technical scheme, the device can drive the sprocket yoke to move to the rear end by pulling the sprocket disengaging steel wire rope.

[0012] Further, the middle part of the inner wall of one side of the fixed block is fixedly connected with a sliding sleeve yoke foot seat, the sliding sleeve yoke foot seat is hingedly connected with a motor end sliding sleeve yoke, and one side of the rear end outer wall of the sliding sleeve yoke foot seat is fixedly connected with the motor disengaging steel wire rope.

[0013] Through the above technical scheme, the device can drive the motor end sliding sleeve yoke to move to the front end by pulling the motor disengaging steel wire rope, so as to realize separation.

[0014] Further, the rear end outer wall of the fixed plate is fixedly connected with a mounting plate, the inside of the mounting plate is provided with a roller, the middle part of the front end outer wall of the roller is fixedly connected with a roller shaft, the middle part of the front end inner wall of the mounting plate is provided with a bearing, and the rear end of the spline outer wall is spline-connected with the roller shaft through the bearing.

[0015] Through the above technical scheme, the roller can be indirectly driven to rotate by the driving motor, so that the object on the roller realizes lifting.

[0016] Further, the outer wall of the sprocket gear is sleeved with a lifting chain.

[0017] Through the above technical scheme, the lifting chain can be pulled manually to drive the sprocket gear to rotate and drive the roller to rotate in the manual mode state.

[0018] Further, the rear end of the middle part of the inner wall on both sides of the fixed block is fixedly connected with a chain guard cover.

[0019] Through the above technical scheme, the lifting chain and the chain gear inside can be protected by the chain guard cover.

[0020] Further, the rear end of the bottom surface of the fixed block is fixedly connected with a chain wheel limiting adjusting rod.

[0021] Through the above technical scheme, the chain gear can be limited when the device is converted by the chain wheel limiting adjusting rod.

[0022] The utility model discloses the following beneficial effects:

[0023] The utility model discloses a kind of electric manual two-drive type winding mechanisms, the device can be rotated by driving motor energization work to indirectly drive the automatic rotation of drum, realize the automatic lifting function of object on drum, and pull motor disengages steel wire rope and chain wheel disengages steel wire rope can disconnect spline with the output shaft of driving motor, so that manually pull lifting chain drives chain wheel rotation, to drive drum rotation, to realize manual lifting function, further to make the device can realize roller shutter industry automatic and manual switching function, can be flexibly adjusted according to different use scene, provide better user experience. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 To propose a kind of electric manual two-drive type winding mechanisms of the utility model for the axonometric drawing of the utility model;

[0025] Figure 2 To propose a kind of electric manual two-drive type winding mechanisms of the utility model for the side view of the utility model;

[0026] Figure 3 To propose a kind of electric manual two-drive type winding mechanisms of the utility model for the structure schematic view of chain guard cover and other components in the utility model;

[0027] Figure 4 To propose a kind of electric manual two-drive type winding mechanisms of the utility model for the structure schematic view of chain wheel and other components in the utility model;

[0028] Figure 5 To propose a kind of electric manual two-drive type winding mechanisms of the utility model for the structure schematic view of chain wheel yoke foot seat and other components in the utility model.

[0029] LEGEND:

[0030] 1, drive motor; 2, chain wheel off steel wire rope; 3, lifting chain; 4, motor off steel wire rope; 5, bearing; 6, roller; 7, chain cover; 8, chain gear; 9, chain wheel yoke; 10, motor end sleeve yoke yoke; 11, spline; 12, chain wheel limit adjusting rod; 13, chain wheel reset spring; 14, chain wheel in situ limiter; 15, chain wheel yoke foot; 16, sleeve yoke foot; 17, mounting plate; 18, fixed plate; 19, fixed block; 20, shaft coupling; 21, first pulley fixing frame; 22, second pulley fixing frame; 23, roller shaft. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Referring to Figure 1 , Figure 4 and Figure 5 An embodiment provided by the utility model:

[0033] A kind of electric manual two-drive type winding mechanism, fixed plate 18 is connected with fixed block 19 in the inner wall of fixed plate 18, the front end outer wall of fixed plate 18 is connected with shaft coupling 20, the lower surface of shaft coupling 20 is provided with drive motor 1, the end of shaft coupling 20 close to fixed plate 18 is provided with spline 11, the middle part of spline 11 outer wall is fixedly connected with chain gear 8, the front end of chain gear 8 is provided with chain wheel yoke 9, and the front end of spline 11 outer wall is sleeved with motor end sleeve yoke 10;

[0034] The rear end of the middle part of spline 11 outer wall is sleeved with chain wheel reset spring 13, the middle part of the inner bottom surface of fixed block 19 is fixedly connected with chain wheel in situ limiter 14, the rear end of the inner wall of one side of fixed block 19 is fixedly connected with second pulley fixing frame 22, the inner wall of second pulley fixing frame 22 is sleeved with motor off steel wire rope 4, one side of the front end of the inner bottom surface of fixed block 19 is fixedly connected with first pulley fixing frame 21, and the inner wall of first pulley fixing frame 21 is sleeved with chain wheel off steel wire rope 2.

[0035] The device can realize automatic and manual switching function in roller shutter industry, even in the absence of power or power interruption, users can still control roller shutter by manual mode, can guarantee that roller shutter can still be used in emergency, plays an important role in safety protection and privacy protection, can be flexibly adjusted according to different use scenes, provides better user experience.

[0036] ReferringFigure 4 And Figure 5 The inner wall of one side of the fixed block 19 is fixedly connected with the sprocket yoke foot seat 15 in the middle of the bottom surface, the sprocket yoke foot seat 15 is hingedly connected with the sprocket yoke 9, and the lower end of the outer wall of the front end of the sprocket yoke 9 is fixedly connected with the chain wheel disengagement steel wire rope 2. The device can drive the sprocket yoke 9 to move to the rear end by pulling the chain wheel disengagement steel wire rope 2.

[0037] Refer to Figure 4 And Figure 5 The inner wall of one side of the fixed block 19 is fixedly connected with the sprocket yoke foot seat 15 in the middle of the bottom surface, the sprocket yoke foot seat 15 is hingedly connected with the sprocket yoke 9, and the lower end of the outer wall of the front end of the sprocket yoke 9 is fixedly connected with the chain wheel disengagement steel wire rope 2. The device can drive the sprocket yoke 9 to move to the rear end by pulling the chain wheel disengagement steel wire rope 2.

[0038] Refer to Figure 1 And Figure 2 The rear end outer wall of the fixed plate 18 is fixedly connected with the mounting plate 17, the inside of the mounting plate 17 is provided with the roller 6, the middle of the front end outer wall of the roller 6 is fixedly connected with the roller shaft 23, the middle of the front end inner wall of the mounting plate 17 is provided with the bearing 5, and the rear end of the outer wall of the spline 11 is spline-connected with the roller shaft 23 through the bearing 5. Thus, the roller 6 can be indirectly driven to rotate by the driving motor 1, so that the objects on the roller 6 can be lifted.

[0039] Refer to Figure 3 , Figure 4 And Figure 5 The outer wall of the chain gear 8 is sleeved with the lifting chain 3, so that the lifting chain 3 can be manually pulled to drive the chain gear 8 to rotate in the manual mode state, thereby driving the roller 6 to rotate. The rear end of the middle of the inner wall of both sides of the fixed block 19 is fixedly connected with the chain guard 7, so that the lifting chain 3 and the chain gear 8 inside can be protected by the chain guard 7.

[0040] Refer to Figure 5 The rear end of the inner bottom surface of the fixed block 19 is fixedly connected with the chain wheel limiting adjustment rod 12, so that the chain gear 8 can be limited when the device is converted by the chain wheel limiting adjustment rod 12.

[0041] Working principle: when in use, in the automatic mode state, the chain gear 8 is in the right position under the action of the chain wheel reset spring 13, and the chain gear 8 is in the locking state under the action of the chain wheel original position limiter 14, at this time the chain gear 8 will not rotate, the output shaft of the driving motor 1 is connected with the spline 11 through the shaft coupling 20, and is connected with the drum shaft 23 end through the sleeve and the spline 11, the driving motor 1 is powered to rotate so as to drive the automatic rotation of the drum 6, realizing the automatic lifting function of the objects on the drum 6, in the manual mode state, the motor is manually pulled away from the steel wire rope 4 to move downward, thereby driving the motor end sleeve yoke 10 to move to the front end, realizing the disconnection of the driving motor 1 output shaft and the terminal spline 11 indirectly, so that the drum 6 end is in a no-power state, the chain wheel is manually pulled away from the steel wire rope 2, driving the chain wheel yoke 9 to move to the rear end and contact the chain wheel limiting adjusting rod 12, at this time the spline 11 in the chain gear 8 is matched with the spline of the drum shaft 23, the lifting chain 3 is manually pulled to drive the chain gear 8 to rotate, thereby driving the drum 6 to rotate.

[0042] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A two-drive (electric and manual) winding mechanism, comprising a fixed plate (18), characterized in that: A fixing block (19) is fixedly connected to the inner wall of the fixing plate (18), and a coupling (20) is fixedly connected to the outer wall of the front end of the fixing plate (18). A drive motor (1) is provided on the lower surface of the coupling (20). A spline (11) is provided at one end of the coupling (20) near the fixing plate (18). A sprocket (8) is fixedly connected to the middle of the outer wall of the spline (11). A sprocket fork (9) is provided at the front end of the sprocket (8). A motor end sliding sleeve fork (10) is sleeved on the front end of the outer wall of the spline (11). A sprocket return spring (13) is sleeved on the rear end of the middle part of the outer wall of the spline (11). A sprocket in-situ limiter (14) is fixedly connected to the middle part of the inner bottom surface of the fixed block (19). A second pulley fixing frame (22) is fixedly connected to the rear end of the inner wall of one side of the fixed block (19). A motor release wire rope (4) is sleeved on the inner wall of the second pulley fixing frame (22). A first pulley fixing frame (21) is fixedly connected to one side of the front end of the inner bottom surface of the fixed block (19). A sprocket release wire rope (2) is sleeved on the inner wall of the first pulley fixing frame (21).

2. The electric and manual two-drive winding mechanism according to claim 1, characterized in that: A sprocket fork foot seat (15) is fixedly connected to one side of the inner bottom surface of the fixed block (19). The sprocket fork foot seat (15) is hinged to the sprocket fork (9). The lower end of the outer wall of the front end of the sprocket fork (9) is fixedly connected to the sprocket detachment wire rope (2).

3. The electric and manual two-drive winding mechanism according to claim 1, characterized in that: A sliding sleeve fork foot seat (16) is fixedly connected to the middle of the inner wall of one side of the fixed block (19). The sliding sleeve fork foot seat (16) is hinged to the sliding sleeve fork (10) at the motor end. One side of the outer wall of the rear end of the sliding sleeve fork foot seat (16) is fixedly connected to the motor detached wire rope (4).

4. The electric and manual two-drive winding mechanism according to claim 1, characterized in that: The outer wall of the rear end of the fixed plate (18) is fixedly connected to the mounting plate (17), the inside of the mounting plate (17) is provided with a roller (6), the middle of the outer wall of the front end of the roller (6) is fixedly connected to a roller shaft (23), the middle of the inner wall of the front end of the mounting plate (17) is provided with a bearing (5), and the rear end of the outer wall of the spline (11) is splined with the roller shaft (23) through the bearing (5).

5. The electric and manual two-drive winding mechanism according to claim 1, characterized in that: The outer wall of the sprocket (8) is fitted with a lifting chain (3).

6. The electric and manual two-drive winding mechanism according to claim 1, characterized in that: Chain guards (7) are fixedly connected to the rear end of the inner wall of both sides of the fixed block (19).

7. The electric and manual two-drive winding mechanism according to claim 1, characterized in that: The rear end of the inner bottom surface of the fixed block (19) is fixedly connected to the sprocket limit adjustment rod (12).

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