CN2188904Y

CN2188904Y - Electric device for opening and closing curtain

Info

Publication number: CN2188904Y
Application number: CN 94225579
Authority: CN
Inventors: 胡建明; 王全为
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-10
Filing date: 1994-01-10
Publication date: 1995-02-08
Anticipated expiration: 2004-01-10

Abstract

The utility model belongs to electrically-driven curtain machine used for opening and closing a curtain. The motor of the present electrically-driven curtain machine is fixed at one side of a window, and when rotating, the motor drives a pulling line to close the curtain, and thus the present electrically-driven curtain machine which has high price is not convenient in use. The utility model adopts the proposal that the center of a motor rotor is provided with internal thread; the motor rotor penetrates a rail with thread; one end of the motor leans on a smooth rail; when rotating, the rail reciprocates on the rail under the action of the thread rail and the smooth rail to drive the curtain to be closed. The curtain machine whose motor has small size has flexible motion, low price and convenient installation and operation.

Description

Electric device for opening and closing curtain

That sells in the market pulls the wire aluminium alloy curtain rail, because be to pull Window curtain structure, so class is lower.Class and the sentiment of people in order to improve the room, the decoration of window will be to automation development, and the automatic switch curtain machine of selling in the market has plenty of and adopts the motor that is fixed on the curtain rod arm two ends to drive bull wheel by decelerator, and bull wheel rotates serving pulling curtain.The employing linear AC motor that has, this motor is identical with the principle of magnetic-levitation train, promptly adorns the stator of many coils as motor on the guide rail, a coil is arranged in addition as rotor on the guide rail, once the energising rotor on stator back and forth moving linearly spur curtain.They have complex structure, and inconvenience is installed, and operating rate is too fast, the shortcoming that price is more expensive.

At the shortcoming of above-mentioned automatic switch curtain machine, a kind of novel, simple in structure, easy-to-install, low-cost electric screw switch window curtain driving mechanism is proposed at this.

The utility model is achieved in that

A smooth guide rail and a helical guideway secured in parallel are arranged on window, the main frame that produces motion is the motor of a hollow rotor shafts, and a unthreaded hole parallel with hollow rotor shafts arranged on the host shell; Helical guideway passes the main frame hollow rotor shafts and forms a screw pair, puts on the unthreaded hole that curtain passes on the host shell again on the smooth guide rail and forms a sliding pair.During energising, the rotation of main rotor is equivalent to a nut and promotes main frame under the constraint of two guide rails in rotation on the helical guideway, moving linearly, pulling curtain.

The utility model has the advantages that: the structure dexterity is simple, easy for installation, operating rate is low, operate steadily, and cheap, noise is small.

Be described with reference to the accompanying drawings a kind of embodiment of electric screw switch window curtain driving mechanism:

Description of drawings: (1) end cap among the figure; (2) outer copper sheathing; (3) interior copper sheathing; (4) felt pad; (5) rotor hollow shaft; (6) adjust pad; (7) housing; (8) magnet piece; (9) utmost point pawl; (10) coil; (11) rotor core; (12) bearing pin; (13) helical guideway; (14) smooth guide rail; (15) support angle steel; (16) nut; (17) set bolt; (18) nut; (19) curtain.

As figure, set bolt (17) is squeezed within the walls, support angle steel (15) is fixing on the wall with nut (18), all to be identical structure be screwed in the helical guideway (13) that passes support angle steel aperture and the two ends of smooth guide rail (14) respectively with nut (16) for helical guideway (13) and smooth guide rail (14) two ends, the tensioning guide rail, curtain (19) is connected with main frame, and helical guideway is to generate around last finer wire on the thicker wire.

Host machine part adopts the form of alternating current claw-pole permagnetic synchronous motor.Bearing pin (12) is packed in the aperture of vertical main engine axis of rotor hollow shaft (5), rotor core (11) and coil (10) are contained in rotor hollow shaft central authorities, two utmost point melons (9) about packing in rotor core (11) both sides, reinstall the felt pad (4) of the right and left, the interior copper sheathing (3) of packing on the felt pad (4) all is glued the composition rotor between them.Outer copper sheathing (2) is packed into and is glued in the end cap (1), and several piece magnet piece (8) was bonded in the housing on week.Left and right sides two end cap (1) is packed into bonding in the housing (7), adjust pad (6) and be used for when assembling, adjusting gap between the copper sheathing, more than several form stators.

The single phase poaer supply line is introduced main frame inside by the aperture on the end cap (1), article two, line is connected on respectively on the outer copper sheathing (2) on limit, the left and right sides, two lines that coil (10) is drawn are connected on respectively on the interior copper sheathing (3) on limit, the left and right sides, outer copper sheathing (2) and interior copper sheathing (3) matched in clearance, promptly be that bearing can conduct electricity again, make electric energy import coil (10) into, arbitrary instantaneous after the energising, coil (10) two ends are respectively the N utmost point S utmost points, lead in the garden magnetic on week and magnet piece (8) effect makes rotor rotation by utmost point melon (9).Bearing pin (12) acts on the helix of helical guideway when rotating, and produces axial thrust, promotes main frame and goes up moving linearly at smooth guide rail (14), the pulling curtain.Owing to be the AC magnetoelectric machine form, indefinite in energising moment rotor rotation direction, so do not need anyway to power switch, when its drive curtain moved to an end toward a direction, it moved automatic reverse as not cutting off the power supply.

Embodiment two, and basic structure is identical with embodiment one, and the rotor bore that different is forms screw pair is an internal thread hole, and helical guideway is the external screw thread leading screw.

Claims

1, a kind of electric screw switch window curtain driving mechanism is characterized in that: adopt a smooth guide rail and a helical guideway secured in parallel on window, the main frame that produces motion is that an armature spindle is hollow motor, a unthreaded hole parallel with hollow rotor shafts is arranged on the main case, and the hollow rotor shafts that helical guideway passes main frame forms screw pair; On smooth guide rail, put on the unthreaded hole that curtain passes on the host shell again and form a sliding pair; During energising, the rotation of main rotor makes main frame moving linearly under the constraint of helical guideway and smooth guide rail, the pulling curtain.

2, electric screw switch window curtain driving mechanism as claimed in claim 1 is characterized in that the rotor hollow shaft adopts unthreaded hole, the bearing pin (12) of on the rotor hollow shaft, packing into, helical guideway on the thicker wire around on the finer wire helix form.

3, electric screw switch window curtain driving mechanism as claimed in claim 1 is characterized in that the rotor hollow shaft is an internal thread hole, and helical guideway is the external screw thread leading screw.