CN2180155Y - Electric curtain driving device - Google Patents

Abstract

The utility model relates to a device used for hanging cloth curtains. The traction rope of the utility model is driven to move by a motor via a speed reducing mechanism; a sliding sleeve oscillated by a shifting fork is sheathed on the output shaft of the speed reducing mechanism; both ends of the sliding sleeve can be respectively engaged with an output gear end and a handle wheel end on the output shaft; thus the utility model is provided with a bidirectional clutch; the sliding sleeve is provided with a driving pulley which drives the traction rope; the utility model is also provided with an upper and a lower guide rails which are connected by a main-beam rail in the middle and which are connected with the traction rope via a tension mechanism with dual springs. Thus, the utility model has the advantages of electric and hand-operated dual purposes, convenient operation, mechanism checking, maintenance and installation, the uniform stress of the traction rope, favorable operational reliability, convenient packaging and transportation, etc.

Description

Electric curtain driving device

The utility model relates to a kind of device that hangs the door curtain made of cloth, particularly utilize motor to drag the suspension arrangement of the door curtain made of cloth.

Raising along with people's living standard, replaced with the epoch that pull casement in the past by electronic and modern luxurious window curtain driving mechanism infrared remote control, at present mainly contain two kinds of forms at the electric controller for curtain that is commercially available: a kind of is to move on guide rail with dc motor directly to drive the motion of casement, reach the keying of curtain, this window curtain driving mechanism simple in structure, need not reducing gear, noise is little, the available casement that pulls in back that has a power failure directly opens and closes, but has when opening and closing suddenly, and speed is too fast, easily stuck, upward dynamo-electric press highly, and delivery guidewire moves back and forth on guide rail with direct current generator, and outward appearance and integraty are relatively poor.Another kind is to adopt the reducing gear deceleration transmission to reach the keying of casement, the head of this class window curtain driving mechanism has an actuating unit (power supply and motor), a reducing gear drives pull rope with the pulley mechanism that is decelerated the direct drive of mechanism and makes back and forth movement, thereby drive the keying of window curtain driving mechanism, this class electric controller for curtain is just like the described product of 90104179.3 patents at present, it is good that such window curtain driving mechanism has an outward appearance integraty, last electromechanics forces down, security performance is good, advantages such as pulling curtain velocity-stabilization, but the disadvantage that their exist is to have a power failure or transmission mechanism when breaking down, casement can't open and close, and maintenance overhaul is repaired and is leaveed no choice but this machine is unloaded down just and can be carried out, very inconvenient, this window curtain driving mechanism is also because not flexible on the rail length, adjust, can not be to tearing open, therefore cause tissue, the difficulty of production and selling transportation etc., so be difficult to organize large-scale industrial production, this window curtain driving mechanism is also because pull rope has only adopted single spring tensioning mechanism, tightening force to pull rope is difficult to levelling, therefore easily causes the idle running phenomenon under the heavy duty.

The purpose of this utility model is in order to overcome the deficiency of above-mentioned existence, and provides a kind of both can be electronic manual and use, keep in repair, check electric controller for curtain easily.

The purpose of this utility model is finished by following technical solution, promptly having a motor to drive by reducing gear coils on the guide rail on assembly pulley and by the pull rope motion of tensioned, can mesh with output gear end and manual pulley end on the output shaft respectively at the reducing gear output, have driving pulley to drive pull rope on the slip cap.

The frame on the utility model manual pulley top top is provided with pressing plate, and the support of its sidewall is provided with block, is around in stay cord on the manual pulley with compression plate, prevents that stay cord from skidding off.

The utility model adopts composite guideway, is two up and down, in the middle of every branch is inserted in respectively for two sections and is arranged in and be enclosed within girder track on the positioning sleeve.

The reducing gear that the utility model has selected for use the little modulus roller gear of secondary to constitute.

In order to make the pull rope that hangs cord stressed even, this rope is being looped around in the guide rail by driving pulley and assembly pulley, has two sections to be connected with spring respectively in the middle of it, and this spring passes through block separately, and screw rod and cylindricality pawl are connected with pull rope.

Description of drawings is as follows:

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that the side of Fig. 1 is shown structural representation.

Fig. 3 is a pull rope syndeton schematic diagram of the present utility model.

Fig. 4 is the utility model guide rail structure schematic diagram.

Below will the utility model is further introduced: Fig. 1 by accompanying drawing, be mounted with gear reduction 2 in the frame 1, it is driven by motor 3, constitute by the little modulus roller gear of secondary, be that power shaft 4 is connected with motor shaft 5, be fixed with input gear 6 on the power shaft 4, travelling gear 8 engagements on this input gear 6 and the jackshaft 7, and by 11 engagements of the output gear on driving gear on the jackshaft 79 and the output shaft 10, power transmission is come out, kink has a slip cap 13 that is subjected to shift fork 12 swings on output shaft 10, be fixed with driving pulley 14 on this slip cap 13, and on driving pulley 14, be wound with pull rope 15, the manual pulley 16 ends engagements (or wedging) that the two axial ends of this slip cap 13 can be put with output gear end on the output shaft and another side respectively, on frame 1, be connected with shift fork 12, when make 13 groups of slip caps to the right with shift fork 12, then can mesh with the output gear 11 on right side, start motor 3 this moment and power can be reached driving pulley 14 on the slip cap 13 by reducing gear 2, and drive pull rope 15 motions of coiling on this driving pulley 14 thus, realize the unlatching and the closure of casement.When with 13 groups of slip caps to the left with shift fork 12, then can mesh with the manual pulley 16 in left side, and throw off with output gear 11, this moment is if the stay cord on manual pulley 16 is coiled in pulling, then can drive the driving pulley 14 on the slip cap 13 thereupon, and drive pull rope 15 motions.The upper stand 1 of manual pulley 16 is provided with arcuation pressing plate 18, this arcuation pressing plate 18 is the top that is fixed on frame 1 by two double-screw bolts 19 and spring 20, it is pressed in the stay cord 17 that is coiled on the manual pulley 16, see Fig. 2, the wheel rim sidepiece frame of manual pulley 16 is provided with block 21, is used to prevent that stay cord 17 from skidding off the slideway of manual pulley 16.Also be provided with deflecting roller 22 on frame 1, pull rope 15 is coiled on the follow-up pulley of guide rail tailstock by deflecting roller 22 behind coiling driving pulley 14 again.

Fig. 3～Fig. 4, pull rope 15 is connected by dual spring tension governor motion, promptly on pull rope 15, there are two sections by spring tension connection, its composition is that a spring 23 is arranged, the one end is connected with pull bar 24, the other end connects pull rope 15, pull bar 24 is by the screw rod 26 that has been threaded of cylindricality pawl 25 usefulness on it, the pull rope 15 that this screw rod 26 connects on the other end by the block on it 27, when regulating the tightening force of pull rope, as long as turn cylindricality pawl 25, along with cylindricality pawl 25 mobile on screw rod reaches only tightening force.

The utility model adopts special track combination mechanism, about two girders 28 be enclosed within on the positioning sleeve 29, outer shrouding 30 covers the junction at left and right sides girder 28,29 of outer shrouding 30 and positioning sleeves are fastening with screw rod, with about two girders 28 clamp, up and down two guide rails 31 each form by two sections, and be inserted in respectively in the track of girder 28 to end face and push away flat ending.The other end at guide rail is located with locating piece, as long as unscrew the screw that is fastened on positioning sleeve and the outer shrouding, two just energy relative motions of girder 28, reach certain length adjustment amount, as long as the trip bolt of positioning sleeve with outer shrouding screwed off, take down outer shrouding during packed and transported, two girders are taken off from left and right direction, at this moment the length of girder, guide rail is exactly that half of window curtain driving mechanism length is more, helps packed and transported etc.

The utility model also shouldn't outer shrouding under the situation that existing window cover is decorated, simultaneously can be according to the difference of installation site, and as top dress or wall etc., the girder of square frame shape also can change deltiod or L shaped into.

The utility model compared with prior art has electronicly, and dual-use manual is convenient to use, use same support to settle actuating unit so that check that maintenance, installation etc. are very convenient, pull rope is stressed evenly, functional reliability is good, the characteristics such as appearance looks elegant, dismounting, packing, convenient transportation.

Claims (5)

1, a kind of electric controller for curtain, it is to have a motor via reducer structure to drive to coil on guide rail in pulley and by the pull rope motion of tensioned, the last kink of output shaft (10) that it is characterized in that reducing gear (2) has a slip cap (13) that is subjected to shift fork (12) swing, the two axial ends of this slip cap (13) can mesh with output gear (11) end and manual pulley (16) end on the output shaft (10) respectively, has driving pulley (14) to drive pull rope (15) on the slip cap (13).

2, electric controller for curtain as claimed in claim 1 is characterized in that described manual pulley (16) upper stand (1) top is provided with pressing plate (18), and the support of its sidewall (1) is provided with block (21).

3, electric controller for curtain as claimed in claim 1 or 2 is characterized in that described guide rail (31) is two up and down, every two sections, is inserted in the middle of being arranged in respectively and is enclosed within girder (28) track on the positioning sleeve (29).

4, electric controller for curtain as claimed in claim 3 is characterized in that described reducing gear (2) adopts the little modulus roller gear of secondary to constitute.

5, electric controller for curtain as claimed in claim 4, it is characterized in that described pull rope (15) is surrounded in the guide rail (31) by driving pulley (14) and assembly pulley, there are two sections to be connected with spring (23) respectively in the middle of it, this spring (23) passes through block (27) separately, and screw rod (26) and cylindricality pawl (25) are connected with pull rope (15).

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