CN114938912B - Driving track device of curtain and intelligent electric curtain - Google Patents
Driving track device of curtain and intelligent electric curtain Download PDFInfo
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- CN114938912B CN114938912B CN202210610161.7A CN202210610161A CN114938912B CN 114938912 B CN114938912 B CN 114938912B CN 202210610161 A CN202210610161 A CN 202210610161A CN 114938912 B CN114938912 B CN 114938912B
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H5/00—Devices for drawing draperies, curtains, or the like
- A47H5/02—Devices for opening and closing curtains
- A47H5/032—Devices with guiding means and draw cords
- A47H5/0325—Devices with guiding means and draw cords using electrical or electronical drive, detecting or controlling means
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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses a driving track device of a curtain, which relates to the technical field of curtains and aims at solving the problem of unstable driving of the curtain track, and the technical scheme is as follows: the novel curtain rail comprises a curtain rail, guide wheels, driving wheel groups, cables and a motor, wherein a rail groove is formed in the curtain rail, and end covers are arranged at two ends of the curtain rail; the inner cavities of the two end covers are respectively provided with a guide wheel and a driving wheel group, the cables are positioned in the track grooves and used for driving curtain cloth, one ends of the cables are connected with the driving wheel groups, the other ends of the cables bypass the guide wheels and are connected with the driving wheel groups again, and the cables form two parallel channels in the track grooves and have opposite moving directions. According to the invention, the ratchet wheel component is mutually linked with the two winding wheels, so that the length consistency of unreeling and winding of the winding wheels can be maintained, and the stability of driving the window curtain by the cable can be improved.
Description
Technical Field
The invention relates to the technical field of curtains, in particular to a driving track device of a curtain and an intelligent electric curtain.
Background
The intelligent curtain is mutually combined with the common curtain through the electric control device and the driving device, and the opening and the closing of the curtain are controlled through the electric signals, so that the automatic operation of the curtain is realized, the curtain is not required to be manually pulled and adjusted, and the use convenience of the curtain is improved.
The current automatic curtain drives a flexible cable to rotate by adopting a motor and a guide wheel, as shown in fig. 9, the cable adopts an annular structure in tail connection, one side of the cable is sleeved on a driving wheel set, the other side of the cable is sleeved on a driven guide wheel, and the driving wheel set is driven to rotate by the motor, so that the reciprocating circulation action of the cable is realized; the cable is repeatedly pulled in the use process, so that the cable generates trace tensile deformation after being used for one end of the cable for a period of time, the cable with an integral annular structure cannot be kept taut between the guide wheel and the driving wheel set, the cable generates rotary setbacks in the forward rotation and reverse rotation switching process, and the pulling stability of the curtain is also influenced; especially for the curtain with long track, the cable that adapts to the curtain track will also be longer, and the tensile force that the cable needs to bear is also bigger, and the deflection volume will also increase, leads to the cable to produce the card to increase greatly, probably even leads to the cable to hang, the circumstances of droing from between leading wheel and the drive wheelset.
There is therefore a need to propose a new solution to this problem.
Disclosure of Invention
The invention aims to solve the problems and provide a driving track device for a curtain, which can keep the length consistency of unreeling and reeling of a reeling wheel through the mutual linkage of a ratchet wheel assembly and two reeling wheels, thereby improving the stability of a cable for driving the curtain.
The technical aim of the invention is realized by the following technical scheme: the driving rail device of the curtain comprises a curtain rail, guide wheels, driving wheel groups, cables and a motor, wherein a rail groove is formed in the curtain rail, and end covers are arranged at two ends of the curtain rail; the inner cavities of the two end covers are respectively provided with a guide wheel and a driving wheel group, the cables are positioned in the track grooves and used for driving curtain cloth, one ends of the cables are connected with the driving wheel groups, the other ends of the cables bypass the guide wheels and are connected with the driving wheel groups again, and the cables form two parallel channels in the track grooves and have opposite moving directions.
The invention is further arranged that the driving wheel group comprises a driving shaft and two winding wheels, wherein the driving shaft is rotationally connected in the end cover, and one end of the driving shaft is provided with a shaft connecting end connected with the motor; the two winding wheels are sequentially sleeved outside the driving shaft and can rotate relative to the driving shaft; the two ends of the cable are respectively wound on the outer shafts of the two winding wheels, and the rotation directions of the two winding wheels are opposite.
The invention is further characterized in that the driving shaft is fixedly connected with the guide slide plate corresponding to the position between the two winding wheels.
The invention is further arranged that the driving wheel set also comprises two groups of ratchet mechanisms, the two winding wheels are respectively linked with the driving shaft through the two groups of ratchet mechanisms, the driving shaft rotates to one side relative to the winding wheels to realize ratchet matching transmission, and rotates to the other side to realize relative slipping; and the two groups of ratchet mechanisms are arranged in opposite directions.
The invention is further characterized in that the end faces of the winding wheel, which are opposite, are fixedly connected with the transmission sleeves, an annular accommodating groove for accommodating the ratchet mechanism is formed between the transmission sleeves and the driving shaft, the inner peripheral wall of the accommodating groove is provided with ratchet grooves which are annularly arranged, and the tooth directions of the ratchet grooves in the two transmission sleeves are opposite.
The ratchet mechanism further comprises a linkage sleeve, a linkage seat, a linkage piece and a limiting protrusion, wherein the linkage sleeve is fixedly sleeved on the periphery of the driving shaft, the linkage seat is fixedly connected with the periphery of the linkage sleeve, and the linkage piece is hinged to the linkage seat and can rotate and swing relative to the linkage seat; a limiting protrusion is fixed on one side of the linkage seat and is used for propping against the linkage piece to limit the maximum swing angle of the linkage piece; the end of the linkage piece, which is far away from the linkage seat, forms a convex tooth matched with the ratchet groove, the convex teeth of the two groups of ratchet mechanisms face opposite directions, the linkage piece swings outwards to enable the convex tooth to extend out of the ratchet groove and realize ratchet linkage with the ratchet groove, and the linkage piece swings inwards to enable the convex tooth to be protruded out of the ratchet groove and slide relative to the ratchet groove.
The invention also provides an intelligent electric curtain, which comprises the driving track device; two groups of sliding parts are arranged in the track groove of the curtain rail, one side, away from the corresponding end cover, of each group of sliding parts is provided with a sliding block, the sliding parts and the sliding blocks are both in sliding connection in the track groove, two first wire grooves for cables to pass through are formed in the sliding blocks, and two cables are respectively and fixedly connected with the two sliding blocks; two wire grooves II for the passage of the cables are formed in the sliding piece, outer baffle blocks are fixed on two sides of the sliding piece, an inner stop block is fixed between the two outer baffle blocks, and the wire grooves II are formed between the outer baffle blocks and the inner stop blocks; an eccentric assembly is arranged between the two second wire grooves, and the eccentric assembly is offset towards one side and is propped against an outer baffle block on one side, so as to clamp the cable in the corresponding second wire groove.
The eccentric assembly comprises a supporting wheel, an eccentric wheel, bolts, a mounting seat and a supporting sleeve, wherein the mounting seat is fixed between two second wire slots, the supporting sleeve and the supporting wheel are coaxially arranged on the mounting seat and locked by the bolts, and the supporting sleeve is arranged between the mounting seat and the supporting wheel; the eccentric wheel is provided with an eccentrically arranged shaft hole, and the shaft hole is matched with the outer Zhou Shi of the supporting sleeve; the periphery of one end, close to the mounting seat, of the supporting sleeve is provided with a convex ring, and the eccentric wheel is rotationally connected to the periphery of the supporting sleeve and is supported by the convex ring; the periphery of the eccentric wheel is eccentrically arranged towards one side of the sliding block.
The invention is further arranged that one end of the bolt penetrates through the supporting wheel and the supporting sleeve, the bolt is connected in a screw hole of the mounting seat in a threaded mode, and a screw head for pressing and limiting is fixed at the other end of the bolt. The eccentric wheel is connected with the supporting wheel through an elastic piece, so that elastic swinging of the eccentric wheel can be realized. The annular groove for accommodating the supporting wheel is formed in the shaft hole of the eccentric wheel towards one end of the supporting wheel, an elastic piece is arranged between the inner periphery of the annular groove and the supporting wheel, the elastic piece comprises a plurality of elastic pieces distributed in annular arrays, and two ends of each elastic piece are fixedly connected between the inner peripheral wall of the annular groove and the outer peripheral wall of the supporting wheel respectively.
The invention further provides that a sliding groove consistent with the track groove is formed between the two inner stop blocks, a sliding frame is connected in the sliding groove in a sliding way, the sliding frame comprises a first limiting block and a second limiting block which are positioned at the end parts of the two sides, the first limiting block and the second limiting block are respectively positioned at the two sides of the installation seat, the first limiting block extends out of one end of the sliding groove, a spring is elastically connected between the first limiting block and the installation seat, and the spring is used for elastically maintaining the first limiting block to extend out of the sliding groove. Two protruding blocks are fixedly connected to one side, facing the eccentric assembly, of the sliding frame, the protruding blocks are located at positions close to inner stop blocks on two sides, and the two protruding blocks are respectively used for propping against the outer peripheral surface of the eccentric wheel.
The invention is further characterized in that the second limiting block is provided with an adjusting hole, an adjusting rod is connected in the adjusting hole in a threaded mode, and one end of the adjusting rod extends into the inner side of the second limiting block and abuts against the mounting seat.
The invention is further arranged that one end of the chute extending out of the first limiting block is fixedly connected with a pressing block, and the pressing block is used for pressing against the first limiting block in the adjacent sliding piece.
In summary, the invention has the following beneficial effects:
through the mutual linkage of ratchet subassembly and two winding wheels, can keep the winding wheel to unreel and the length uniformity of rolling to can improve cable pair window curtain driven stability. In the cable driving process, the actively-rotating winding wheel can tension the cable, the tension state of the cable can still be kept under the condition that the cable is stretched and deformed in time, the deformation of the length of the cable is compensated through winding, and the stable action of the cable can be kept for a long time.
Drawings
FIG. 1 is a schematic view of a driving track device for a window covering according to the present invention;
FIG. 2 is a schematic diagram of a driving wheel set according to the present invention;
FIG. 3 is a schematic view of a ratchet mechanism according to the present invention;
FIG. 4 is a schematic view of an intelligent motorized window treatment according to the present invention;
FIG. 5 is a schematic view of a curtain rail of an intelligent electric window curtain according to the present invention;
FIG. 6 is a schematic view of a slider according to the present invention;
FIG. 7 is a schematic illustration of a slider removal eccentric set of the present invention;
FIG. 8 is a schematic structural view of an eccentric wheel set of the present invention;
fig. 9 is a schematic structural view of a conventional motorized window treatment.
Reference numerals: 00. curtain cloth; 1. curtain rail; 11. a track groove; 12. an end cap; 2. a slide block; 21. a first wire slot; 22. a fixed block; 3. a slider; 31. a second wire slot; 32. an outer stopper; 33. an inner stopper; 34. an eccentric assembly; 341. a support wheel; 342. an eccentric wheel; 343. a bolt; 344. a mounting base; 345. a screw hole; 346. a support sleeve; 347. a convex ring; 348. a shaft hole; 349. an elastic sheet; 3410. a ring groove; 3411. a screw head; 35. a chute; 36. a sliding frame; 361. a first limiting block; 362. a spring; 363. a bump; 364. a second limiting block; 365. an adjustment aperture; 366. an adjusting rod; 37. pressing blocks; 371. a relief hole; 4. a cable; 5. a guide wheel; 6. a driving wheel group; 61. a drive shaft; 62. a coupling shaft end; 63. a winding wheel; 64. a guide slide plate; 65. a transmission sleeve; 651. a receiving groove; 652. ratchet tooth slot; 66. a ratchet mechanism; 661. a linkage sleeve; 662. a linkage seat; 663. a linkage member; 664. convex teeth; 665. a limit protrusion; 7. and a motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment discloses a driving track device of a curtain, which is described with reference to fig. 1-3 and comprises a curtain rail 1, guide wheels 5, driving wheel groups 6, cables 4 and a motor 7; the curtain rail 1 is internally provided with a rail groove 11, and two ends of the curtain rail 1 are provided with end covers 12; the inner cavities of the two end covers 12 are respectively provided with a guide wheel 5 and a driving wheel group 6, the cable 4 is a flexible belt-shaped object which is separated in a tail-to-tail way, generally a belt or a nylon rope, the cable 4 is connected with the sliding piece 3 and the sliding piece 2 in the curtain rail 1, and the curtain cloth 00 is driven by controlling the cable 4. One end of the cable 4 is wound around the driving wheel set 6, the other end of the cable bypasses the guide wheel 5 and is wound around the driving wheel set 6, so that the cable 4 forms two parallel channels in the track groove 11, and the moving directions are opposite.
The driving wheel set 6 specifically comprises a driving shaft 61 and two winding wheels 63, the driving shaft 61 is rotatably connected in the end cover 12, one end of the driving shaft is a coupling end 62, and the coupling end 62 extends out of the end cover 12 and is connected with the output end of the motor 7, so that transmission is realized. The two winding wheels 63 are sequentially sleeved outside the driving shaft 61 and can rotate relative to the driving shaft 61, two ends of the cable 4 are respectively wound on the outer shafts of the two winding wheels 63 and rotate in opposite directions, so that the driving shaft 61 drives the winding wheels 63 to rotate, one winding wheel 63 winds, the other winding wheel 63 unwinds, the length of the cable 4 in the track groove 11 can be kept stable, and smooth movement of the sliding piece 3 and the sliding block 2 arranged in the curtain rail 1 can be kept.
The driving wheel set 6 further comprises two groups of ratchet mechanisms 66, the two winding wheels 63 are respectively linked with the driving shaft 61 through the two groups of ratchet mechanisms 66, the driving shaft 61 rotates to one side relative to the winding wheels 63 to realize ratchet matching transmission, and rotates to the other side to realize relative slipping, and the two groups of ratchet mechanisms 66 are arranged in opposite directions; in the process that the motor 7 drives the driving shaft 61 to rotate, the driving shaft 61 is meshed and linked with one winding wheel 63 through a ratchet mechanism 66 to generate slipping with the other winding wheel 63, the winding wheel 63 on one side of the meshing can play a role in winding the cable 4, and the cable 4 on the other winding wheel 63 is driven by the pulling force generated in the winding process of the cable 4 to realize unreeling of the winding wheel 63; because only the cable 4 on one side of the winding keeps driving action in the driving process, and only the other side of the winding generates driven action, the stability of the transmission device of the curtain rail 1 can be kept, and the cable 4 is kept in a constantly tensioned state.
The guide slide plate 64 is arranged between the two winding wheels 63, the guide slide plate 64 is an annular sheet body with a smooth surface, and is fixedly connected to the periphery of the driving shaft 61, and the end faces of the two winding wheels 63 can be kept separated from each other, so that the effects of separating and reducing friction resistance are achieved, and the situation that the winding wheels 63 on two sides are driven by each other due to the friction of the end faces is avoided.
The end faces of the two winding wheels 63, which are opposite, are fixedly connected with a transmission sleeve 65, an annular accommodating groove 651 for accommodating the ratchet mechanism 66 is formed between the transmission sleeve 65 and the driving shaft 61, a ratchet groove 652 which is annularly arranged is formed in the inner peripheral wall of the accommodating groove 651, and the tooth directions of the ratchet grooves 652 in the two transmission sleeves 65 are opposite to play a role in opposite matching transmission.
As shown in fig. 3, the ratchet mechanism 66 includes a linkage sleeve 661, a linkage seat 662, a linkage member 663 and a limiting protrusion 665, the linkage sleeve 661 is sleeved on the driving shaft 61, and the linkage sleeve 661 is mutually matched with the driving shaft 61 through a flat shaft structure between the driving shaft 61 and the linkage sleeve 661, so that axial synchronous rotation can be realized, the fixation of the linkage sleeve 661 is realized through a step surface, and the support of the ratchet mechanism 66 is realized; the linkage seat 662, the linkage piece 663 and the limit projection 665 are provided with three groups, and are annularly arranged on the periphery of the linkage sleeve 661 to play a role in transmission.
Wherein, the linkage seat 662 is fixedly connected to the periphery of the linkage sleeve 661, the linkage piece 663 is hinged to the linkage seat 662 and can rotate and swing relative to the linkage seat 662 to realize the opening and the closing of the hinge piece, and a limit projection 665 is fixed on one side of the linkage seat 662 and can play a role in resisting and limiting the linkage piece 663 so as to limit the maximum swing angle of the linkage piece 663; the convex teeth 664 matched with the ratchet grooves 652 are formed at one end of the linkage piece 663 far away from the linkage seat 662, the convex teeth 664 of the two groups of ratchet mechanisms 66 face opposite directions, the linkage piece 663 swings outwards to enable the convex teeth 664 to extend out of the ratchet grooves 652 and realize ratchet linkage with the ratchet grooves 652, and the linkage piece 663 swings inwards to enable protrusions to be separated from the ratchet grooves 652 and slide relative to the ratchet grooves 652. In the process of rotating the driving shaft 61 to one side, the convex teeth 664 at the end part of the linkage piece 663 are clamped into the ratchet grooves 652 and blocked by the limiting protrusions 665, so that ratchet linkage is generated between the driving shaft 61 and the winding wheel 63, and the winding wheel 63 of the rotating shaft can be driven to realize winding action; the ratchet of the other ratchet mechanism 66 is disengaged, the winding wheel 63 can do free unreeling action, and the winding wheel is driven by the cable 4 to move.
In the driving process of the cable 4, the actively-rotating winding wheel 63 can tension the cable 4, and can still keep the tension state of the cable 4 under the condition that the cable 4 is stretched and deformed in time, and the cable 4 can be kept stably for a long time by winding to compensate the deformation of the length of the cable 4.
Example two
The present embodiment discloses an intelligent electric window curtain, and referring to fig. 1 to 8, other structures of the intelligent electric window curtain are described on the basis of the first embodiment; two groups of sliding parts 3 are arranged in a track groove 11 of a curtain rail 1 of the driving track device, one side, far away from a corresponding end cover 12, of each group of sliding parts 3 is provided with a sliding block 2, and the sliding parts 3 and the sliding blocks 2 are both in sliding connection in the track groove 11; the bottom of the sliding piece 3 and the sliding block 2 are connected with a hook, and extend out of the track groove 11, so that the sliding piece can be connected with a curtain to realize hanging of the curtain. The sliding blocks 2 are arranged at the most end part of each piece of curtain, namely, one end part close to the middle of the curtain rail 1, the sliding parts 3 are sequentially arranged at the other side, and the sliding parts 3 and the sliding blocks 2 are used for sliding and supporting the curtain to realize the movement of the curtain.
The cable 4 bypasses the guide wheel 5, forms two parallel cables 4 in the track groove 11, can realize the reverse motion of two cables 4 through driving, can drive the opening and shutting motion of (window) curtain. Two first wire grooves 21 are formed in the sliding block 2, the two first wire grooves 21 are respectively used for the two cables 4 to pass through, the two cables 4 are respectively and fixedly connected with the two sliding blocks 2, a fixed block 22 is fixedly arranged in one first wire groove 21 of the sliding block 2, and the cables 4 and the sliding parts 3 are connected through the fixed block 22 and the clamping and fixing of the cables 4. The two cables 4 are respectively connected with the two sliding parts 3, so that the two sliding blocks 2 can be driven to move towards opposite directions by driving of the cables 4, and the two curtains can be driven to realize opening and closing actions of the curtains.
The sliding part 3 is used for driving a curtain to move, two second trunking 31 are arranged in the sliding part 3, the second trunking 31 corresponds to the first trunking 21, and the cable 4 can also pass through the sliding part. An outer stopper 32 is fixed to both sides of the slider 3, an inner stopper 33 is fixed between the outer stoppers 32, and a second wire groove 31 is formed between the outer stopper 32 and the inner stopper 33.
An eccentric assembly 34 is arranged between the two wire grooves II 31, the eccentric assembly 34 is offset towards one side, the majority of the eccentric assembly 34 is arranged towards one side of the sliding block 2, the eccentric assembly 34 is offset towards one side and swings, the eccentric assembly can be abutted against one side of the outer baffle 32, the periphery of the eccentric assembly 34 is abutted against the outer baffle 32 of the wire grooves II 31, and the cables 4 in the wire grooves can be clamped and fixed, so that the sliding piece 3 and one cable 4 are connected and fixed, and the driving effect of the cables 4 on the sliding piece 3 is realized.
When the curtain is changed from an open state to a closed state, the cable 4 and the eccentric assembly 34 slide mutually, and the cable 4 drives the sliding block 2 to move so as to drive the curtain to be closed; the cable 4 pulls the sliding part 3 and the sliding block 2, the cable 4 drives the sliding block 2 to move towards the middle of the curtain rail 1, the sliding block 2 drives the curtain, and after the sliding block 2 moves towards the middle for a certain distance, the sliding part 3 and the cable 4 slide, so that the curtain can move smoothly.
In the process of changing the folding state to the opening state of the curtain, relative movement trend is generated between the cable 4 and the eccentric assembly 34, friction force drives the eccentric assembly 34 to deflect, the periphery of the eccentric assembly 34 and the outer baffle 32 are clamped tightly, the clamping between the cable 4 and the sliding piece 3 is kept fixed, and the outermost sliding piece 3 is pulled under the stress; when the outermost slider 3 slides to the end of the curtain rail 1, the slider 3 abuts against the fixing portion in the end cover 12, and the eccentric assembly 34 may be loosened; at this time, the sliding part 3 at the next position is stressed, and then the curtain is only pulled in the sliding process, and the sliding part 3 at the forefront end of the moving part is pulled, so that the problem of pressing, shifting and blocking generated in the terminal pushing process can be avoided.
The eccentric assembly 34 comprises a supporting wheel 341, an eccentric wheel 342, a bolt 343, a mounting seat 344 and a supporting sleeve 346, wherein the mounting seat 344 is fixed between the two wire slots II 31 of the sliding part 3 to play a role in supporting the main body of the eccentric assembly 34; the supporting sleeve 346 and the supporting wheel 341 are coaxially sleeved on the mounting seat 344 and locked by the bolts 343, one end of each bolt 343 penetrates through the supporting wheel 341 and the supporting sleeve 346 and is in threaded connection with the corresponding screw hole 345 of the mounting seat 344, the other end of each bolt 343 is fixedly provided with a screw head 3411, and the supporting wheel 341 and the supporting sleeve 346 are fixed on the mounting seat 344 through the screw heads 3411;
the supporting sleeve 346 is sleeved outside the bolt 343 and positioned between the mounting seat 344 and the supporting wheel 341, and a convex ring 347 is formed on the periphery of one end of the supporting sleeve 346, which is close to the mounting seat 344; an axle hole 348 is formed at the eccentric position of the eccentric wheel 342, the axle hole 348 is matched with the outer Zhou Shi of the supporting sleeve 346, the eccentric wheel 342 can be rotatably connected to the outer periphery of the supporting sleeve 346 and supported by a convex ring 347, so that the eccentric wheel 342 can form eccentric movement in the rotation adjusting process, and the distance position between the outer periphery of the eccentric wheel 342 and the outer baffle 32 can be adjusted and changed.
When in use, the periphery of the eccentric wheel 342 is eccentrically arranged towards one side of the slider 2 at the extreme end of the reorganizing slider 3, namely, one side of the large diameter of the eccentric wheel 342 faces one side of the slider 2, and the outer stop block 32 on one side of the outer axial surface of the eccentric wheel 342 can be propped against and deflected into the second wire groove 31 by rotating and adjusting the eccentric wheel 342, and the second wire groove 31 is on the same side as the first wire groove 21 on the corresponding slider 2. The same group of sliding parts 3 and the corresponding sliding blocks 2 are in interaction contact with one of the two cables 4, the two cables are the same, and the other cable 4 only passes through the first wire slot 21 and the second wire slot 31 without stress.
In order to maintain the interaction force between the outer circumference of the eccentric wheel 342 and the outer baffle 32, the eccentric wheel 342 and the supporting wheel 341 may be connected through an elastic member, and the eccentric wheel 342 may be supported on the basis of the supporting wheel 341 through the elastic member, so that the elastic swing of the eccentric wheel 342 may be realized, so as to maintain the outer circumference of the eccentric wheel 342 to be capable of contacting each other between the cables 4, and form a certain clamping force.
A ring groove 3410 for accommodating the supporting wheel 341 is formed in one end, facing the supporting wheel 341, of the shaft hole 348 of the eccentric wheel 342, and an elastic piece is arranged between the inner periphery of the ring groove 3410 and the supporting wheel 341; specifically, the elastic member includes a plurality of elastic pieces 349 distributed in an annular array, and two ends of the elastic pieces 349 are fixedly connected between an inner peripheral wall of the annular groove 3410 and an outer peripheral wall of the supporting wheel 341, so as to perform a certain elastic maintenance function between the eccentric wheel 342 and the supporting wheel 341. The elastic sheet 349 can be a plastic sheet with elasticity, can be integrally formed with the supporting wheel 341 and the eccentric wheel 342, not only has the function of elastic maintenance, but also has the effect of convenient assembly, and is convenient for installing the eccentric assembly 34.
In order to produce a mutual interlocking fit between the two sliders 3, the sliders 3 can be automatically switched from a clamped state with the cable 4 to an open state after sliding into place, so that during the curtain opening process, the pulling action by the outermost sliders 3 is always maintained, and no slider 2 is used for pushing transmission.
A sliding groove 35 consistent with the track groove 11 is formed between the two inner stop blocks 33, a mounting seat 344 of the eccentric assembly 34 is fixed at the middle position of the sliding groove 35, a sliding frame 36 is connected in a sliding manner in the sliding groove 35, and the sliding frame 36 is in a frame structure; the sliding frame 36 includes a first stopper 361 and a second stopper 364 located at two side ends, wherein the first stopper 361 and the second stopper 364 are located at two sides of the mounting seat 344, respectively, and the first stopper 361 at one end of the sliding frame 36 extends out from one end of the sliding groove 35, i.e. extends out toward the end of the sliding groove 35 at one side of the end cover 12; a spring 362 is elastically connected between the first stopper 361 and the mounting seat 344, and the first stopper 361 can be elastically maintained to extend out of the chute 35 by the spring 362.
At the other end of the chute 35, one end extending out of the back limiting block is fixedly connected with a pressing block 37, and the pressing block 37 can be pressed against a limiting block I361 in the adjacent sliding piece 3; in the process that the sliding piece 3 moves towards one side of the end cover 12, after the sliding piece 3 is folded, the sliding pieces are mutually propped, the first limiting block 361 of the previous sliding piece 3 can interact with the pressing block 37 of the next sliding piece 3 to generate mutual linkage, and a mechanical signal prompt of the folding state of the sliding piece 3 is played. The first limiting block 361 of the outermost sliding piece 3 is mutually abutted against the fixed part in the track groove 11, so that the furling prompting function of the first outermost sliding piece 3 is realized.
Two protruding blocks 363 are fixedly connected to one side of the sliding frame 36, which faces the eccentric assembly 34, the protruding blocks 363 are located near the inner stop blocks 33 on two sides, the two protruding blocks 363 are respectively used for propping against the outer peripheral surface of the eccentric wheel 342, when the eccentric wheel 342 is offset towards the outer stop block 32 on one side, when the sliding frame 36 faces one end of the eccentric wheel 342, only the protruding blocks 363 on one side are in mutual propping and pressing contact with the outer periphery of the eccentric wheel 342, so that a pushing and adjusting effect can be generated between the protruding blocks 363 and the eccentric wheel 342.
The second limiting block 364 is provided with an adjusting hole 365, an adjusting rod 366 is connected to the adjusting hole 365 in a threaded manner, one end of the adjusting rod 366 extends into the inner side of the second limiting block 364, the end of the adjusting rod 366 abuts against the mounting seat 344, and the stop block is provided with a yielding hole 371, so that the adjusting rod 366 can be conveniently rotated from the yielding hole 371, the position of the adjusting rod 366 can be adjusted, the initial compression state of the spring 362 can be adjusted, and the transmission acting pressure between the adjacent sliding parts 3 can be adjusted.
In the process of installing the sliding member 3, the bolt 343 is loosened first, the position of the eccentric wheel 342 is adjusted, the outer periphery of the eccentric wheel 342 faces the second wire slot 31 on the corresponding side, and the outer periphery of the eccentric wheel 342 abuts against the outer baffle 32 in the second wire slot 31, so that the outer baffle 32 and the eccentric wheel 342 can hold the cable 4, and the cable 4 is elastically maintained through the elastic piece 349.
When the cable 4 is pulled towards the direction of the sliding piece 3 in the moving process of the cable 4 relative to the sliding piece 2, the cable 4 and the outer Zhou Chansheng of the eccentric wheel 342 are in friction force, the friction force drives the eccentric wheel 342 to swing towards one side of the sliding piece 2, namely, the small-diameter side of the eccentric wheel 342 moves inwards in a second chute 35 in the clockwise direction as shown in the figure, the eccentric wheel 342 is separated from the outer baffle 32, the clamping effect between the outer baffle 32 and the eccentric wheel 342 is released, the friction force on the cable 4 is loosened, the cable 4 can move relatively in the second chute 35, and the cable 4 can pass through, so that the cable 4 can slide relatively in the moving process towards the side;
in the process of moving the curtain from the furled state of the two sides to the middle position, the cable 4 can drive the sliding block 2 to slide, so that the curtain is pulled by the sliding block 2 to act, and the curtain can be moved to the middle position.
When the cable 4 is pulled in the direction away from the sliding block 2, relative friction force is generated on the periphery between the cable 4 and the eccentric wheel 342, the friction force drives the eccentric wheel 342 to swing away from one side of the sliding block 2, namely, the large-diameter side of the eccentric wheel 342 moves in the second wire slot 31 in the anticlockwise direction as shown in the figure, compression is carried out between the eccentric wheel 342 and the outer baffle 32, the clamping force of the eccentric wheel 342 and the outer baffle 32 on the cable 4 is larger, and the cable 4 can be clamped, so that the cable 4 can drive the sliding piece 3 to move towards the side.
In the running process, the cable 4 is pulled, the cable 4 and the outermost sliding piece 3 are clamped with each other, and the curtain is driven to move through the outermost sliding piece 3; until the sliding piece 3 and the fixed part at the end part of the curtain rail 1 are mutually propped, the first limiting block 361 of the sliding piece 3 is propped, the eccentric wheel 342 is pushed to be opened through the convex block 363, the eccentric wheel 342 and the outer blocking block 32 of the sliding piece 3 are opened, and the sliding piece 3 and the cable 4 are separated; and then the second sliding part 3 at the outermost side is stressed to pull the curtain until the curtain moves to a position where the curtain is mutually pressed against the previous sliding part 3, and the curtain is sequentially transmitted until the whole curtain is folded to the most edge position.
In the process of driving the serial connection through the cables 4, the cables 4 in the curtain rail 1 always play a role in pulling the curtain by the sliding piece 3 at the forefront end of the curtain, so that the curtain can be kept to be pulled in the opening and closing processes, and the curtain can be kept to stably and smoothly run.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (1)
1. The intelligent electric curtain is characterized by comprising a driving track device, wherein the driving track device comprises a curtain rail (1), guide wheels (5), driving wheel groups (6), cables (4) and a motor (7), a track groove (11) is formed in the curtain rail (1), and end covers (12) are arranged at two ends of the curtain rail (1); the inner cavities of the two end covers (12) are respectively provided with a guide wheel (5) and a driving wheel group (6), the cable (4) is positioned in the track groove (11) and is used for driving the curtain cloth (00), one end of the cable (4) is connected with the driving wheel group (6), the other end of the cable bypasses the guide wheel (5) and is connected with the driving wheel group (6), and the cable (4) forms two parallel channels in the track groove (11) and has opposite moving directions;
the driving wheel set (6) comprises a driving shaft (61) and two winding wheels (63), the driving shaft (61) is rotatably connected in the end cover (12), and one end of the driving shaft is provided with a coupling end (62) connected with the motor (7); the two winding wheels (63) are sequentially sleeved outside the driving shaft (61) and can rotate relative to the driving shaft (61); the two ends of the cable (4) are respectively wound on the outer shafts of the two winding wheels (63) and are opposite in rotation direction;
a guide slide plate (64) is fixedly connected between the driving shaft (61) and the corresponding two winding wheels (63);
the driving wheel set (6) further comprises two groups of ratchet mechanisms (66), the two winding wheels (63) are respectively linked with the driving shaft (61) through the two groups of ratchet mechanisms (66), the driving shaft (61) rotates to one side relative to the winding wheels (63) to realize ratchet matching transmission, and rotates to the other side to realize relative slipping; and the two groups of ratchet mechanisms (66) are arranged in opposite directions;
the end faces of the winding wheel (63) opposite to each other are fixedly connected with a transmission sleeve (65), an annular accommodating groove (651) for accommodating a ratchet mechanism (66) is formed between the transmission sleeve (65) and the driving shaft (61), an annular arranged ratchet tooth groove (652) is formed in the inner peripheral wall of the accommodating groove (651), and the tooth directions of the ratchet tooth grooves (652) in the two transmission sleeves (65) are opposite;
the ratchet mechanism (66) comprises a linkage sleeve (661), a linkage seat (662), a linkage piece (663) and a limiting protrusion (665), wherein the linkage sleeve (661) is fixedly sleeved on the periphery of the driving shaft (61), the linkage seat (662) is fixedly connected to the periphery of the linkage sleeve (661), and the linkage piece (663) is hinged to the linkage seat (662) and can rotate and swing relative to the linkage seat (662); a limiting protrusion (665) is fixed on one side of the linkage seat (662), and the limiting protrusion (665) is used for propping against the linkage piece (663) to limit the maximum swing angle of the linkage piece (663); one end of the linkage piece (663) far away from the linkage seat (662) is provided with convex teeth (664) matched with the ratchet grooves (652), the convex teeth (664) of the two groups of ratchet mechanisms (66) face opposite directions, the linkage piece (663) swings outwards to enable the convex teeth (664) to extend out of the ratchet grooves (652) to realize ratchet linkage with the ratchet grooves (652), and the linkage piece (663) swings inwards to enable the convex teeth to be separated from the ratchet grooves (652) and slide relatively with the ratchet grooves (652);
two groups of sliding parts (3) are arranged in a track groove (11) of the curtain rail (1), one side, away from a corresponding end cover (12), of each group of sliding parts (3) is provided with a sliding block (2), the sliding parts (3) and the sliding blocks (2) are both connected in the track groove (11) in a sliding mode, two first wire grooves (21) for allowing cables (4) to pass through are formed in the sliding blocks (2), and the two cables (4) are fixedly connected with the two sliding blocks (2) respectively; two wire slots II (31) for the cables (4) to pass through are arranged in the sliding piece (3), outer baffle blocks (32) are fixed on two sides of the sliding piece (3), inner baffle blocks (33) are fixed between the two outer baffle blocks (32), and the wire slots II (31) are formed between the outer baffle blocks (32) and the inner baffle blocks (33); an eccentric assembly (34) is arranged between the two second wire grooves (31), and the eccentric assembly (34) is offset towards one side and is propped against an outer baffle block (32) on one side, so as to clamp a cable (4) in the corresponding second wire groove (31);
the eccentric assembly (34) comprises a supporting wheel (341), an eccentric wheel (342), a bolt (343), a mounting seat (344) and a supporting sleeve (346), wherein the mounting seat (344) is fixed between two wire grooves (31), the supporting sleeve (346) and the supporting wheel (341) are coaxially arranged on the mounting seat (344) and locked through the bolt (343), and the supporting sleeve (346) is arranged between the mounting seat (344) and the supporting wheel (341); the eccentric wheel (342) is provided with an eccentrically arranged shaft hole (348), and the shaft hole (348) is matched with the outer Zhou Shi of the supporting sleeve (346); the periphery of one end, close to the mounting seat (344), of the supporting sleeve (346) is provided with a convex ring (347), and the eccentric wheel (342) is rotatably connected to the periphery of the supporting sleeve (346) and is supported by the convex ring (347); the periphery of the eccentric wheel (342) is eccentrically arranged towards one side of the sliding block (2);
one end of the bolt (343) penetrates through the supporting wheel (341) and the supporting sleeve (346), is in threaded connection with a screw hole (345) of the mounting seat (344), and the other end of the bolt (343) is fixedly provided with a screw head (3411) for resisting and limiting; the eccentric wheel (342) is connected with the supporting wheel (341) through an elastic piece, so that the elastic swing of the eccentric wheel (342) can be realized; an annular groove (3410) for accommodating the supporting wheel (341) is formed in one end, facing the supporting wheel (341), of the shaft hole (348) of the eccentric wheel (342), an elastic piece is arranged between the inner periphery of the annular groove (3410) and the supporting wheel (341), the elastic piece comprises a plurality of elastic pieces (349) distributed in an annular array, and two ends of each elastic piece (349) are fixedly connected between the inner peripheral wall of the annular groove (3410) and the outer peripheral wall of the supporting wheel (341) respectively;
a sliding groove (35) consistent with the trend of the track groove (11) is formed between the two inner stop blocks (33), a sliding frame (36) is connected in the sliding groove (35), the sliding frame (36) comprises a first limiting block (361) and a second limiting block (364) which are positioned at the end parts of two sides, the first limiting block (361) and the second limiting block (364) are respectively positioned at the two sides of the installation seat (344), the first limiting block (361) extends out of one end of the sliding groove (35), a spring (362) is elastically connected between the first limiting block (361) and the installation seat (344), and the spring (362) is used for elastically maintaining the first limiting block (361) to extend out of the sliding groove (35); two protruding blocks (363) are fixedly connected to one side, facing the eccentric assembly (34), of the sliding frame (36), the protruding blocks (363) are located at positions close to inner stop blocks (33) on two sides, and the two protruding blocks (363) are respectively used for propping against the outer peripheral surface of the eccentric wheel (342).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610161.7A CN114938912B (en) | 2022-05-31 | 2022-05-31 | Driving track device of curtain and intelligent electric curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610161.7A CN114938912B (en) | 2022-05-31 | 2022-05-31 | Driving track device of curtain and intelligent electric curtain |
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| CN114938912A CN114938912A (en) | 2022-08-26 |
| CN114938912B true CN114938912B (en) | 2023-10-27 |
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| CN202210610161.7A Active CN114938912B (en) | 2022-05-31 | 2022-05-31 | Driving track device of curtain and intelligent electric curtain |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114938911B (en) * | 2022-05-31 | 2023-10-24 | 绍兴市协同智造促进中心 | Intelligent anti-blocking transmission assembly for curtain rail |
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|---|---|
| CN114938912A (en) | 2022-08-26 |
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