CN2823518Y

CN2823518Y - Window louvre hoisting mechanism driven by hand or electricity

Info

Publication number: CN2823518Y
Application number: CN 200520062399
Authority: CN
Inventors: 翁国才; 吴家兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-07-28
Filing date: 2005-07-28
Publication date: 2006-10-04
Anticipated expiration: 2015-07-28

Abstract

The utility model discloses a manually operated and electrically driven hoisting mechanism of a window curtain, which comprises a main body of the hoisting mechanism and a motor. A hand pulled sleeve barrel is arranged outside the motor, and a connecting shaft arranged in the hand pulled sleeve barrel is sheathed outside an output shaft of the motor. A torsional spring is sheathed outside the connecting shaft, a semicircular lug boss is arranged outside the torsional spring, rotors connected to a window curtain rod are sheathed outside the torsional spring and the semicircular lug boss, and the inner hole wall of each rotor is a semicircular hole wall. Mutual action exists between the torsional spring, the semicircular lug boss and the semicircular hole wall so that the rise and the fall of a window curtain can be realized by electric control and a hand pulled pull rope. The utility model has the advantages of convenience and practicability.

Description

Manual and electric curtain hoisting mechanism

Technical field

The utility model relates to a kind of liftable curtain annex, particularly a kind of manual and electric curtain hoisting mechanism.

Background technology

Traditional curtain is normally manually controlled its liter artificially or is fallen, the people must walk close to window and just can regulate light during operation, this curtain obviously can not satisfy people's needs, some electric up-down curtain have appearred on the market for this reason, thereby this curtain rotates the purpose that reaches the curtain automatic lifting by the driven by motor rotating shaft, also can carry out Remote simultaneously, but existing this electrically driven curtain is not owing to establish manual closing device, tend to bring inconvenience to the user because outage or fault can't use.

Summary of the invention

In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of and can utilizes manual stay cord to realize the manual and electric curtain hoisting mechanism of curtain lifting again by electronic control.

The technical scheme that its technical problem that solves the utility model adopts is:

Manual and electric curtain hoisting mechanism, comprise hoisting mechanism main body and the motor that is installed on the main body, rotatable being set with pulls sleeve outside motor, its end is provided with through hole and outward extending semicircle boss, the axle that is rotatably connected is housed in the through hole, the connecting axle center is provided with the axis hole that matches with described motor output shaft external diameter, described connecting axle one end fastens by the inward flange of the spacing shaft shoulder and through hole, the connecting axle other end stretches out outside the through hole, and be set with torsion spring at the extension external surface, described torsion spring two ends is outside the end face of the both sides of semicircle boss, and two initiating terminals of torsion spring are exposed, described semicircle boss is set with the rotor that is connected with curtain rod outward with torsion spring, described rotor inner hole wall is provided with the semicircle hole wall that adapts with the torsion spring external diameter, leave the gap that torsion spring is loosened between described semicircle hole wall two side ends face and torsion spring two ends, the described sleeve that pulls is fixed with outward and manual stay cord meshed gears.

As the utility model preferred embodiment, described motor external fixation has the motor sleeve pipe, and described motor sleeve pipe is fixed on the main body by flange, and the described sleeve set that pulls is outside the motor sleeve pipe.

The beneficial effects of the utility model are: because the utility model rotatable being set with outside motor pulls sleeve, link to each other with motor output shaft by connecting axle and pull sleeve, owing on connecting axle, be set with torsion spring, and the two ends of torsion spring is outside pulling the semicircle boss both sides end face of sleeve, so when motor rotates, output shaft drives connecting axle and rotates, because torsion spring tightly is enclosed within outside the connecting axle, so torsion spring is also along with rotation, two ends drive by torsion spring simultaneously pulls the sleeve rotation, owing to outside semicircle boss and torsion spring, also be set with rotor, and the inner hole wall of rotor is provided with the semicircle hole wall that adapts with the torsion spring external diameter, by the moving rotor rotation of semi-circular hole cornice, the curtain rod that links to each other with rotor just can drive curtain and realize lifting institute's torsion spring so again; And after the motor stall, because motor output shaft is locked, so connecting axle also can not rotate, simultaneously because torsion spring is tightly to be enclosed within on the connecting axle, so, rotate, thereby realize the static of curtain so just can not drive curtain because rotor can't overcome its friction; When the motor outage takes place when, spur manual stay cord, apply a moment of torsion with its meshed gears adversary tube of helping pull a cart, because this moment, motor was motionless, coupled connecting axle is transfixion also, so this moment of torsion just unclamps torsion spring by the both sides end face of semicircle boss, pull sleeve like this and just can drive torsion spring and rotor and connecting axle and relatively rotate, thereby realize the lifting of curtain; The utility model can utilize manual stay cord to realize the curtain lifting again by electronic control, uses easy to operate.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the three-dimensional broken away view of a kind of embodiment of the utility model;

Fig. 2 is Fig. 1 assembling view;

Fig. 3 is an A-A sectional view among Fig. 2;

Fig. 4 is the connecting axle end view;

Fig. 5 is the rotor end-face view.

The specific embodiment

Referring to figs. 1 through Fig. 5, manual and electric curtain hoisting mechanism, comprise hoisting mechanism main body 1 and the motor 2 that is installed on the main body 1, motor 2 external fixation have wear-resisting motor sleeve pipe 22, described motor sleeve pipe 22 is fixed on the main body 1 by flange, rotatable being set with pulls sleeve 3 outside motor sleeve pipe 22, its end is provided with through hole 31 and outward extending semicircle boss 32, the axle 4 that is rotatably connected is housed in the through hole 31, connecting axle 4 centers are provided with the axis hole 41 that matches with described motor 2 output shafts 21 external diameters, described connecting axle 4 one ends fasten by the inward flange of the spacing shaft shoulder 42 with through hole 31, connecting axle 4 other ends stretch out outside the through hole 31, and to be set with rotation direction in the extension intimate be left-handed torsion spring 5, described torsion spring 5 two ends are at the both sides of semicircle boss 32 end face, leave the gap that can make torsion spring 5 lockings between the both sides end face of described torsion spring 5 two ends and semicircle boss 32, and two initiating terminals of torsion spring 5 are exposed, described semicircle boss 32 and the torsion spring 5 outer rotors 6 that are connected with curtain rod 9 that are set with, described rotor 6 inner hole walls are provided with the semicircle hole wall 62 that adapts with torsion spring 5 external diameters, leave the gap that torsion spring 5 is loosened between described semicircle hole wall 62 both sides end faces and torsion spring 5 two ends, described pulling is fixed with outside the sleeve 3 and manual stay cord meshed gears 33, described pulling has installing port 34 on the sleeve 3, the output shaft 21 of described motor 2 stretches out outside the connecting axle 4, and described rotor 6 is spacing by pad 81 and jump ring 8.

In the present embodiment, connecting axle 4 is packed into from the installing port 34 that pulls sleeve 3 and is pulled in the through hole 31 of sleeve 3 ends, the shaft shoulder 42 on the connecting axle 4 is positioned at and pulls sleeve 3 and be fastened on the inward flange that pulls sleeve 3 to deviate from restriction connecting axle 4, the other end of connecting axle 4 stretches out outside the through hole 31, be sleeved on outside the motor sleeve pipe 21 that is fixed on outside the motor 2 pulling sleeve 3, the output shaft 21 of motor 2 inserts in the axis hole 41 of connecting axle 4, torsion spring 5 closely is sleeved on outside the connecting axle 4 that stretches out, two terminations 51 of torsion spring 5,52 at the both sides of semicircle boss 32 end face 321, on 322, this moment, some semicircle boss 32 that pulled outside the sleeve 3 of external surface of torsion spring 5 covered, and two initiating terminals of torsion spring 5 expose, rotor bushing 6 outside semicircle boss 32 and torsion spring 5 again, semicircle protruding wall 62 in the rotor 6 covers remaining second half torsion spring 5 external surfaces just, the other end at rotor 6 is fixed on jump ring 8 and pad 81 on the output shaft 21 again, deviate from restrict rotor 6, the curtain rod 9 of curtain fixedly is housed again, the manual stay cord 7 of on the gear 33 that pulls sleeve 3, packing on rotor 6.

With reference to Fig. 3, when motor 2 energising clockwise directions rotate, output shaft 21 drives connecting axle 4 clockwise directions and rotates, connecting axle 4 drives torsion spring 5 and also moves in the direction of the clock, the termination, left side 51 of torsion spring 5 touches the semicircle hole wall 621 in left side of rotor 6, thereby the curtain rod 9 clockwise direction directions that drive rotor 6 and link to each other rotation with rotor 6, because the rotation direction of torsion spring 5 is left-handed, so rotor 6 makes torsion spring 5 rotate toward the locking direction by the termination 51 that compresses torsion spring 5 left sides, thereby increased the friction between torsion spring 5 and the connecting axle 4, prevent to skid, guarantee curtain rod 9 smooth scrollings.

When output shaft 21 counterclockwise rotates, connecting axle 4 drives torsion spring 5 and counterclockwise rotates, the termination 52 on torsion spring 5 right sides touches the semicircle hole wall 622 in rotor 6 right sides, thereby the curtain rod that drives rotor 6 and link to each other 9 direction rotation counterclockwise with rotor 6, equally, rotor 6 makes torsion spring 5 lockings by the termination 52 that compresses torsion spring 5 right sides, prevents to skid.

When the outage of generation motor is not rotated, spur manual stay cord 7, pulling sleeve 3 just rotates with manual stay cord 7, when manual stay cord 7 moves in the direction of the clock gear 33, with reference to Fig. 3, because this moment, motor locking was not rotated, so connecting axle 4 can not rotate yet, pull sleeve 3 and the rotation of semicircle boss 32 clockwise directions this moment, the left end face 321 of semicircle boss 32 contacts with the termination 51 in torsion spring 5 left sides, owing to leave the gap between semicircle hole wall 62 both sides end faces and torsion spring 5 two ends, under torsional interaction, torsion spring 5 is released, increase along with torsion spring 5 internal diameters, the friction of 4 of torsion spring 5 and connecting axles is reduced, make 4 of torsion spring 5 and connecting axles that relative slip take place, thereby drive rotor 6 and the rotation of curtain rod 9 clockwise direction directions; When manually stay cord 7 counterclockwise rotated gear together, semicircle boss 32 its right end face 322 drove torsion springs 5 its right end face 52, and torsion spring 5 is unclamped, thereby make curtain rod 9 directions rotation counterclockwise.

In the above-described embodiments, the rotation direction of torsion spring 5 can also be dextrorotation, as long as its two initiating terminal exposes when guaranteeing to install to torsion spring 5 covers on the connecting axle 4, can reach above-mentioned transmission process equally.

Claims

1. manual and electric curtain hoisting mechanism, comprise hoisting mechanism main body (1) and be installed in motor (2) on the main body (1), it is waited to levy and is: rotatable being set with pulls sleeve (3) outside motor (2), its end is provided with through hole (31) and outward extending semicircle boss (32), the axle (4) that is rotatably connected is housed in the through hole (31), connecting axle (4) center is provided with the axis hole (41) that matches with described motor (2) output shaft (21) external diameter, described connecting axle (4) one ends fasten by the inward flange of the spacing shaft shoulder (42) with through hole (31), connecting axle (4) other end stretches out outside the through hole (31), and be set with torsion spring (5) in the extension intimate, described torsion spring (5) two ends is outside the both sides end face of semicircle boss (32), and two initiating terminals of torsion spring (5) are exposed, described semicircle boss (32) and the outer rotor (6) that is connected with curtain rod that is set with of torsion spring (5), described rotor (6) inner hole wall is provided with the semicircle hole wall (62) that adapts with torsion spring (5) external diameter, leave the gap that torsion spring (5) is loosened between described semicircle hole wall (62) both sides end face and torsion spring (5) two ends, described pulling is fixed with outside the sleeve (3) and manual stay cord meshed gears (33).

2. according to claim 1 described manual and electric curtain hoisting mechanism, it is characterized in that described motor (2) external fixation has motor sleeve pipe (22), described motor sleeve pipe (22) is fixed on the main body (1), and the described sleeve (3) that pulls is sleeved on outside the motor sleeve pipe (22).

3. according to claim 1 described manual and electric curtain hoisting mechanism, it is characterized in that described pulling has installing port (34) on the sleeve (3).

4. according to claim 1 described manual and electric curtain hoisting mechanism, it is characterized in that leaving the gap that can make torsion spring (5) locking between the both sides end face of described torsion spring (5) two ends and semicircle boss (32).

5. according to claim 1 described manual and electric curtain hoisting mechanism, it is characterized in that the output shaft (21) of described motor (2) stretches out outside the connecting axle (4), described rotor (6) is spacing by pad (81) and jump ring (8).