TWI709685B - Curtain controller - Google Patents

Abstract

A curtain controller includes at least one forward and reverse mechanism and a driving mechanism. The at least one forward and reverse rotation mechanism includes a planetary gear unit and a transmission unit. The planetary gear unit includes an internal gear set, a number of planet gears, and a sun gear that mesh with each other. The transmission unit can be detached and selectively clamped to one of the internal gear set and the sun gear to rotate in the same direction together. The driving mechanism includes a driving unit and an operating rope wound on the driving unit. The operating rope can be pulled to drive the drive unit to drive the internal gear set, the sun gear and the transmission unit to rotate. The invention can drive a rotating shaft to rotate in different directions through a single rope operation mode to wind up or unwind a curtain body, which is quite convenient to use.

Description

Curtain controller

The invention relates to a lifting controller for curtains or curtains, in particular to a curtain controller.

There are roughly two existing curtain control methods, one of which is to force the curtain body to move up when the operating rope is pulled out, and the curtain body can naturally hang down under the action of gravity when the operating rope is released. Lower and retract the operating rope together. This single pull method is mostly used in blinds. Another control method is usually a double-pull control using a bead chain disc with a bead chain-shaped operating rope. When the user pulls the operating rope downwards in a forward direction to drive the bead chain disc to rotate forward, the curtain body can be rolled up, and when the user pulls the operating rope in a reverse direction to drive the bead chain disc to reverse, The curtain body can be released.

The disadvantage of the aforementioned single-pull control is that it can only drive the curtain body to move upward when it is pulled down, and the operating rope moves upward when the curtain body naturally sags, while the aforementioned double-pull control can be performed with the same pull-down action. The curtain body is driven to move down or up, but the operating rope needs to be wound into a circle. Each has its own shortcomings and needs to be further improved.

The purpose of the present invention is to provide a solution that can overcome the prior art One less drawback of the curtain controller.

The curtain controller is suitable for use with a rotating shaft extending forward and backward in the axial direction, and includes at least one forward and reverse mechanism and a driving mechanism.

The at least one forward and reverse rotation mechanism includes a planetary gear unit and a transmission unit. The planetary gear unit includes an internal gear set, a plurality of planetary gears meshing with the internal gear set, and a sun gear meshing with the planetary gears. The transmission unit can be detached and selectively snapped to one of the internal gear set and the sun gear so as to rotate in the same direction with one of the internal gear set and the sun gear, and the transmission unit is suitable for supplying the The rotating shaft is inserted to drive the rotating shaft to rotate in the same direction.

The driving mechanism includes a driving unit capable of driving the internal gear set to rotate, and an operating rope wound on the driving unit. The operating rope can be pulled to drive the driving unit to drive the internal gear set and the sun gear to rotate.

The function of the curtain controller is: pulling the operating rope can drive the internal gear set and the sun gear to rotate in opposite directions through the drive unit, and the drive unit can be separated and selectively clamped to the internal gear set and One of the sun gears can drive the rotating shaft to rotate forward or reverse. Therefore, a single rope operation mode can drive a curtain body of a curtain to move up or down, which is very convenient to use.

1: shaft

2: housing unit

21: Shell

211: Shell card tooth structure

22: inner shell

23: side cover

3: Forward and reverse mechanism

4: drive mechanism

41: drive unit

42: Operation rope

43: drive seat

431: Ring

432: Bump

433: Limit Surface

434: extended surface

435: ditch

436: First Block

437: Second Block

438: The Third Block

439: External tooth structure

44: Rope seat

441: groove

442: groove seat

443: Ring Seat

45: Elastic unit

46: Ball

47: second fulcrum

48: second stop

49: switch group

491: drive gear

492: switch seat

493: front protruding tooth structure

494: Block Wall

495: corner post

496: Pivot Block

5: Control unit

51: Controller

52: control group

53: Ring

531: Pivot Ring

532: Pivot Ring

533: Push Ring

54: control

55: elastic parts

6: Planetary gear unit

60: fixed piece

61: The first shaft

611: Shaft

62: Internal gear set

621: Internal gear seat

622: External Gear Seat

623: front tooth structure

624: Outer teeth

625: Posterior teeth structure

63: Gear bracket

631: stop hole

632: plug hole

64: Planetary gear

641: cylinder

642: Gear Body

65: Sun gear

651: Rotor

652: stud

653: External card tooth structure

66: The first stop

661: stop card

67: Card Arrival Group

671: Card Payment

672: Elastic

673: Fastener

7: Transmission unit

71: Transmission seat

711: Rear clamping tooth structure

712: Internal card tooth structure

713: Diameter card tooth structure

72: Axis socket

73: Planetary gear set

74: connecting seat

741: Disc seat body

742: Half Cylinder

75: stop coil

76: limit seat

D1: Forward direction

D2: Reverse direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective exploded view illustrating a first embodiment of the curtain controller of the present invention; Figure 2 is a perspective exploded view illustrating the first embodiment from another angle; Figure 3 is a combined sectional view illustrating the first embodiment A transmission unit of an embodiment is in a forward rotation state; Figure 4 is a perspective exploded view, mainly to enlarge the structure of a rope winding seat and a driving seat of the first embodiment; Figure 5 is a combined cross-sectional view, illustrating The relative relationship between an external gear seat and two first stoppers of the first embodiment; FIG. 6 is a combined cross-sectional view illustrating the relative relationship between a plurality of balls and a driving seat and the rope winding seat of the first embodiment Relationship; Figure 7 is a combined cross-sectional view illustrating that the transmission unit of the first embodiment is in a reverse state; Figure 8 is a combined cross-sectional view illustrating that the transmission unit of the first embodiment is in an idling state; Figure 9 is A perspective view illustrating a second embodiment of the curtain controller of the present invention; FIG. 10 is a perspective exploded view illustrating the second embodiment; FIG. 11 is a combined cross-sectional view illustrating one of the operation modes of the second embodiment; Figure 12 is a combined cross-sectional view illustrating another operation of the second embodiment Way; Figure 13 is a three-dimensional exploded view, illustrating a third embodiment of the curtain controller of the present invention; Figure 14 is a three-dimensional exploded view, illustrating the third embodiment from another angle; Figure 15 is a combined cross-sectional view, The illustration of a housing is omitted, and an internal gear base of the third embodiment is shown to be engaged with the transmission unit; FIG. 16 is a combined cross-sectional view illustrating the plurality of engaging sets and the housing and the outer gear of the third embodiment. The relative relationship of the seat; Figure 17 is a combined cross-sectional view, the figure omits showing a housing, and illustrates the third embodiment of a sun gear to engage the transmission unit; and Figure 18 is a combined cross-sectional view, illustrating the curtain controller of the present invention One of the fourth embodiment.

In the following description, similar or identical elements will be denoted by the same numbers.

Referring to Figures 1 to 4, a first embodiment of the curtain controller of the present invention is suitable for use with a rotating shaft 1 (see Figure 3) that extends axially forward and backward and has a square cross-section. The rotating shaft 1 can rotate forward or reverse in a forward direction D1 and a reverse direction D2 that are opposite to each other, and can wind up or roll up a curtain body of a curtain. Since the way the shaft 1 winds up or unwinds the curtain body is common knowledge, it will not be described here. Remind readers of the description below Here, "forward rotation" refers to a component rotating in the forward direction D1, and "reverse rotation" refers to a component rotating in the reverse direction D2.

The first embodiment includes a housing unit 2 that extends back and forth, a forward and reverse mechanism 3 provided in the housing unit 2, and a drive that is provided in the housing unit 2 and can drive the forward and reverse mechanism 3. Mechanism 4, and a control unit 5 capable of controlling the forward and reverse mechanism 3.

The housing unit 2 includes a cylindrical housing 21 with an internal space extending forward and backward in the axial direction, an inner housing 22 provided in the housing 21 and used to support the driving mechanism 4, and a cover provided at the rear end of the housing 21 Side cover 23.

The forward and reverse rotation mechanism 3 includes a planetary gear unit 6 arranged in the housing 21 and a transmission unit 7 located in front of the planetary gear unit 6 and clamped to the planetary gear unit 6.

The planetary gear unit 6 is disposed in the housing 21, and includes a fixed piece 60 that is locked in the side cover 23 and does not move, and one is inserted into the fixed piece 60 so as not to rotate relative to the fixed piece 60 and is inserted. The first supporting shaft 61 that enters the driving mechanism 4 and the transmission unit 7 to provide support, an internal gear set 62 arranged in the housing 21 and passing through the first supporting shaft 61, and an internal gear set 62 arranged in the inner A gear bracket 63 in the gear set 62 and threaded on the first support shaft 61, a number of planetary gears 64 arranged on the gear bracket 63 and radially meshing with the inner gear set 62, a wear sleeve The sun gear 65 on the first fulcrum 61 and meshed between the planet gears 64, and two bushings The first stop 66 outside the internal gear set 62.

The first supporting shaft 61 includes a shaft portion 611 in a quadrangular column shape.

The internal gear set 62 includes an internal gear seat 621 and an external gear seat 622 integrally connected back and forth. The internal gear seat 621 has an annular shape extending forward and backward in the axial direction. The inner surface is formed with a tooth structure for meshing with the planetary gears 64, and the front end is formed with a front tooth structure 623 protruding forward. The outer gear seat 622 can rotate coaxially and in the same direction with the inner gear seat 621, and the outer surface is formed with a plurality of outer protruding teeth 624 protruding radially outward and in the arc direction (see FIG. 5 for auxiliary reference). Each external protruding tooth 624 protrudes along the reverse direction D2.

The gear bracket 63 is formed with a square stop hole 631 in the center, and three circular hole-shaped insertion holes 632 spaced from each other in the circumferential direction and surround the stop hole 631. Due to the non-circular matching design of the stop hole 631 and the shaft portion 611, the gear bracket 63 is sleeved on the first support shaft 61 so as to be unable to rotate relative to the first support shaft 61.

Each planetary gear 64 includes a cylindrical body 641 inserted into the corresponding insertion hole 632, and a gear body 642 integrally connected to the cylindrical body 641. Since the fixed piece 60 does not move, and the first supporting shaft 61 and the gear bracket 63 do not rotate, each planetary gear 64 can rotate on its own axis 641 but cannot revolve.

The sun gear 65 includes a pinion portion 651 that meshes with the planet gears 64 and a stud portion 652 protruding forward from the internal gear set 62 in the axial direction. The A front end of the protruding column portion 652 is formed with an outer tooth structure 653 extending radially outward.

The first stoppers 66 are sleeved outside the outer gear seat 622, and each first stopper 66 is in the shape of an outer ring and an inner circle, and is formed with a radially inward and slightly oblique arc. The extended stopper teeth 661 (see Fig. 5). Each locking tooth 661 can be engaged with one of the outer protruding teeth 624, so that the outer tooth holder 622 can only rotate in one direction along the forward rotation direction D1. In other embodiments of the present invention, each first stopper 66 can also include more than two stopper teeth 661, which is not limited to the first embodiment.

The transmission unit 7 includes a transmission base 71 located in the housing 21 and clamped to the front end of the internal gear base 621, and a shaft socket 72 assembled at the front end of the transmission base 71 and suitable for inserting the rotating shaft 1.

The cross section of the transmission seat 71 is ring-shaped, and the rear end is formed with a rear clamping tooth structure 711 protruding backward, and the inner surface is formed with an inner clamping tooth located radially inside the rear clamping tooth structure 711 Structure 712. The rear tooth structure 711 is engaged with the front tooth structure 623 of the internal gear base 621 so that the transmission base 71 and the internal gear base 621 can rotate coaxially and in the same direction. The inner tooth structure 712 is located behind the outer tooth structure 653 of the sun gear 65 and is spaced apart from the outer tooth structure 653 (see FIG. 3).

The shaft socket 72 and the transmission seat 71 are sleeved on the transmission seat 71 and can rotate together with the transmission seat 71 coaxially and in the same direction. A square hole is formed inside the shaft socket 72 for inserting the rotating shaft 1 to drive the rotating shaft 1 to rotate coaxially and in the same direction.

The drive mechanism 4 includes a drive that can drive the internal gear 62 to rotate. The driving unit 41, and an operating cord 42 wound on the driving unit 41.

The driving unit 41 includes a driving seat 43 integrally connected to the rear end of the outer gear seat 622 and passing through the first supporting shaft 61, and a ring sleeved on the driving seat 43 for the winding of the operating rope 42. The rope seat 44, an elastic unit 45 assembled with the rope winding seat 44, and a plurality of balls 46 clamped between the driving seat 43 and the rope winding seat 44.

In the following description, regarding the structure of the driving seat 43 and the rope winding seat 44, it is recommended that you mainly refer to FIG. 4.

The driving seat 43 is integrally connected with the outer gear seat 622 to drive the inner gear seat 621 and the outer gear seat 622 to rotate coaxially and in the same direction. In other embodiments of the present invention, the drive base 43 can also be linked with the internal gear base 621 and the external gear base 622 by clamping the external gear base 622, so the drive base 43 is not integrated The connection to the outer gear seat 622 is limited.

The outer surface of the driving seat 43 is formed with two loops 431 spaced forward and backward in the axial direction and protruding outward in the radial direction, and several loops 431 protruding axially from the loops 431 and arranged at intervals in the arc direction的projection 432.

Each protrusion 432 has a limit surface 433 facing the reversal direction D2 and recessed toward the forward rotation direction D1 to be supported by one of the balls 46 to drive the driving seat 43 to rotate forward, and a limit surface 433 facing the forward rotation The extension surface 434 obliquely extends in the direction D1 and along the reversal direction D2 toward another adjacent protrusion 432. The limit surfaces 433 cooperate with the extension surfaces 434 and the rings 431 to define a circle extending in the arc direction and encircling in a circle 的notch 435. The extension surfaces 434 can facilitate the balls 46 to move in the groove 435 along the reversal direction D2.

The rope reel base 44 includes a ring-shaped groove 441 formed on the inner surface with a number of grooves 441 extending forward and backward, and a groove seat portion 442 that extends outside the driving seat 43, and a ring-shaped groove for the operating rope 42 to be wound.环座部443。 Ring seat 443.

The elastic unit 45 is a plate spring which is wound into a circle and assembled with the ring seat portion 443 to provide the elastic force of the rope winding seat 44 to reverse in the reversal direction D2.

One end of each of the balls 46 is clamped in one of the grooves 441, and the other end is clamped in the groove 435 formed by the driving seat 43. (Supplementary refer to Figure 6)

One end of the operating rope 42 is assembled with the ring seat portion 443 of the rope reel base 44, and can drive the rope reel base 44 to rotate forward in the forward rotation direction D1 when being pulled.

The control unit 5 includes a controller 51 assembled to the side cover 23 of the housing unit 2 and through which the operating cord 42 is passed, and a transmission seat 71 connected to the controller 51 and the transmission unit 7 Between the control group 52.

The control group 52 includes a collar 53 that is sheathed outside the transmission base 71 of the transmission unit 7 and located between the transmission base 71 and the housing 21 of the housing 21 unit, and a ring 53 connected to the controller 51 and the housing 21. The control member 54 between the collar 53.

The collar 53 is sheathed outside the transmission base 71 in a manner that two half-rings are butt-connected left and right to form a ring, and includes a pivoting ring portion 531 pivotally connected to the housing 21, and a The pivot ring portion 532 radially spaced from the pivot ring portion 531 has two thrust ring portions 533 radially spaced from each other and perpendicular to the pivot ring portion 531 and the pivot ring portion 532. Each thrust ring portion 533 has a round block shape and has a radial width larger than other parts of the collar 53. The control member 54 is a rigid rope, one end is assembled to the pivot ring 532, and the other end is assembled to the controller 51, and can be driven by the controller 51 to drive the pivot ring 532 to make the The collar 53 can pivot back and forth with the pivot ring portion 531 as a fulcrum, and drive the transmission seat 71 to move back and forth in the axial direction.

When the first embodiment is used, it is used by pulling or releasing the operating rope 42.

When the operating rope 42 is pulled, it will drive the rope reel base 44 to rotate in the forward rotation direction D1, and drive the balls 46 embedded in the grooves 441 of the rope reel base 44 along the forward rotation direction. D1 moves in the groove 435 of the driving seat 43 until the balls 46 abut against the limiting surfaces 433 of the protrusions 432 of the driving seat 43 and are restricted by the protrusions 432, thereby Drive the driving seat 43 to rotate forward together. Wherein, while the rope reel base 44 rotates forward, the rope reel base 44 stretches the elastic unit 45 so that the elastic unit 45 stores elastic force.

When the driving seat 43 rotates forward, it drives the external gear seat 622 and the internal gear seat 621 integrally connected to rotate forward, and drives the planetary gears 64 to rotate to drive the sun gear 65 to reverse. When the internal gear seat 621 rotates forward, it will drive the transmission seat 71 engaged with it to rotate forward, and the shaft 1 will be driven by the shaft socket 72 coaxially rotating with the transmission seat 71 Turn forward to wind up a curtain body of a curtain.

When the operating rope 42 is released, the elastic unit 45 will release the elastic force to drive the rope winding seat 44 to reverse and drive the balls 46 to move in the recess 435 in the reverse direction D2. As the balls 46 move in the groove 435, they can follow the extension surfaces 434 of the protrusions 432 to bypass the protrusions 432 without being restricted by the protrusions 432, so the When the rope winding base 44 is reversed, the balls 46 will not drive the driving base 43 to reverse, and the rope winding base 44 can be reversed relative to the driving base 43 and wind the operating rope 42 until the elastic unit 45 returns to The normal state of being no longer stretched.

Since the rope winding seat 44 does not drive the driving seat 43 when the operating rope 42 is rolled up, the driving seat 43, the internal gear seat 621, the transmission seat 71, and the shaft socket 72 will not act. Will drive the shaft 1 to rotate. At this time, under the restriction of the first stoppers 66, the outer gear seat 622 cannot be reversed, and at the same time, the inner gear seat 621, the transmission seat 71, the shaft socket 72 and the rotating shaft 1 cannot be reversed. The rotation can avoid driving the rotating shaft 1 to reverse under the action of the weight of the curtain body. In other words, the matching design of the first stopper 66 and the outer tooth base 622 can prevent the curtain body from sagging due to its own weight.

Referring to Figures 2~3, 7~8, the transmission unit 7 can be driven by the collar 53 of the control unit 5, and can be clamped to the inner by the transmission base 71 as described above and shown in Figure 3 The forward rotation state of the gear base 621 is transformed to a reverse state in which the transmission base 71 is engaged with the sun gear 65 as shown in FIG. 7 and can be transformed to a state as shown in FIG. 8 The internal gear seat 621 is neither locked nor locked in the idling state of the sun gear 65.

In the forward rotation state, the rear tooth structure 711 of the transmission base 71 of the transmission unit 7 is clamped to the front tooth structure 623 of the internal gear base 621, and can be driven by the internal gear base 621 to rotate forward. And drive the shaft socket 72 and the rotating shaft 1 to rotate forward to retract the curtain body.

That is to say, in the forward rotation state, the user only needs to pull out the operating rope 42 to drive the rope winding seat 44, the driving seat 43, the outer gear seat 622, the internal gear seat 621, and the transmission seat 71. The shaft socket 72 and the rotating shaft 1 rotate forward together to retract the curtain body.

Rotating the controller 51 drives the control member 54 to move forward against the collar 53 so that the collar 53 pivots forward, so that the transmission unit 7 can be transformed from the forward rotation state to the reverse state.

In the reversal state, the inner tooth structure 712 of the transmission seat 71 is clamped to the outer tooth structure 653 of the sun gear 65, and can be driven by the sun gear 65 to reverse and drive the shaft socket 72 and The rotating shaft 1 is reversed to roll up the curtain body.

In the reverse state, although the operating rope 42 still drives the drive seat 43, the rope winding seat 44, the outer gear seat 622, and the inner gear seat 621 to rotate forward, the rotation of the sun gear 65 is consistent with the inner gear seat 621. The gear seat 621 is opposite, so the transmission seat 71, the shaft socket 72 and the rotating shaft 1 rotate in opposite directions. That is to say, the user can also use the operation mode of pulling out the operating cord 42 to retract the curtain body.

Rotating the controller 51 further drives the control member 54 to move forward and abut the collar 53 to make the collar 53 pivot forward, so that the transmission unit 7 can be transformed from the reverse state to the idling state.

In the idling state, the front tooth structure 623 of the internal gear seat 621 and the outer tooth structure 653 of the sun gear 65 are not clamped to the transmission seat 71, so at this time, the curtain body is allowed to under its own weight Under the action, it naturally sags and unfolds, and drives the shaft socket 72 and the transmission seat 71 to rotate. In other words, as long as the user manipulates the controller 51 to switch the transmission unit 7 to the idling state, the curtain body can be automatically sag and unfolded easily.

In summary, in the first embodiment, the planetary gear 64 used to decelerate or amplify the torsion is innovatively used to control the steering, so that the user can use a single rope operation to generate a rolling/rolling curtain. Body two effects. The rope reel base 44 can drive the drive base 43 in one direction when rotating forward, and can be driven by the elastic unit 45 to reverse the rope but not drive the drive base 43. This design can shorten the length of the operating rope 42. Moreover, since the operating rope 42 is wound on the rope winding seat 44 when it is not in use, there is no danger of the excess rope segment winding around the neck. In addition, the planetary gear unit 6 itself has the characteristics of decelerating and amplifying the torsion force, and can also produce the effect of saving labor when rolling the curtain body and quickly rolling the curtain body.

9 to 12, a second embodiment of the curtain controller of the present invention is similar to the first embodiment, the difference is that the second embodiment omits showing the housing unit 2 and includes two Forward and reverse mechanism 3, and each internal gear set 62 The external gear seat 622 of the drive mechanism 4 is not integrally connected with the drive seat 43, and a rear protruding tooth structure 625 protruding rearward is formed.

The driving seat 43 is located at intervals behind the internal gear sets 62, and includes a first seat portion 436 formed with the recess 435, a second seat portion 437 spaced apart at the front end of the first seat portion 436, and A third seat 438 integrally connected between the first seat 436 and the second seat 437. Each second seat 437 has a gear shape. The outer surface of each third seat 438 is formed with an outer tooth structure 439 protruding radially outward.

The first supporting shaft 61 of each planetary gear unit 6 is only inserted in the corresponding internal gear set 62, the sun gear 65 and the transmission unit 7, but not in the driving mechanism 4. The driving mechanism 4 also includes a second support shaft 47 assembled with the elastic unit 45 and inserted in the rope winding base 44 and the driving base 43, and two third bases that pass through the driving base 43 The second stopper 48 outside the portion 438, and a switching group 49 that is assembled with the second seat portion 437 of the driving seat 43 and can be selectively assembled with the outer gear seat 622 of one of the internal gear sets 62.

The structure of each second stopper 48 is the same as the structure of the aforementioned first stopper 66. Each second stopper 48 can restrict the third seat portion 438 to only rotate forward in the forward rotation direction D1.

The switching group 49 includes two driving gears 491 that engage the second seat portion 437 at left and right intervals and are respectively located behind the outer gear seats 622, and a switching seat 492 that extends left and right and engages the drive gears 491.

Each driving gear 491 is sleeved on the rear end of the first supporting shaft 61 of a corresponding planetary gear unit 6, and is formed with a forwardly protruding and capable of contacting the corresponding outer gear seat 622. The front protruding tooth structure 493 is clamped by the posterior protruding tooth structure 625.

The switch seat 492 includes a seat wall 494 extending horizontally from left to right, four corner posts 495 extending upward from the four corners of the seat wall 494, and a central part of the seat wall 494 located between the driving gears 491 downward. Protruding pivot block 496.

A corresponding driving gear 491 is sandwiched between the two isometric posts 495 as a group. The pivot block 496 can be used as a fulcrum for the switch seat 492 to pivot in a way that the left and right ends move forward and backward, and can drive one of the driving gears 491 forward and the corresponding rear protruding tooth structure 625 of one of the external gear seats 622 The clamping is used to drive one of the internal gear sets 62 to rotate, and drive the other driving gear 491 to be separated from the corresponding other external gear holder 622 without driving the other internal gear set 62.

The feature of this second embodiment is that it is suitable for use with two of the rotating shafts 1. As long as the user drives the switch seat 492 to pivot, the forward and reverse mechanisms can be selected to drive as shown in Figs. 11 and 12 One of 3 to drive one of the rotating shafts 1 to rotate forward, reverse or idling.

13-16, a third embodiment of the curtain controller of the present invention is similar to the first embodiment, the difference is that the first embodiment is that the transmission unit 7 moves forward and backward, and can be separated and optionally The internal gear set 62 or the sun gear 65 is clamped, but in the third embodiment, the planetary gear unit 6 can move back and forth, To enable either the internal gear set 62 or the sun gear 65 to be detached and optionally clamped to the transmission unit 7, it is further explained as follows.

The transmission seat 71 of the transmission unit 7 omits the rear tooth structure 711 and forms a radial tooth structure 713 protruding radially outward. The radial clamping tooth structure 713 can clamp the tooth structure inside the internal gear seat 621, so the internal gear seat 621 omits the front clamping tooth structure 623 (see FIG. 2).

The transmission unit 7 further includes a planetary gear set 73 located between the transmission base 71 and the shaft socket 72 to further amplify the torque, two connecting bases 74 located between the transmission base 71 and the planetary gear set 73, A stop coil 75 that is sheathed outside the connecting seats 74, and a limit seat 76 that is sheathed outside the stop coil 75.

Each connecting seat 74 includes a disc-shaped disk seat body 741 and a semi-cylindrical body 742 protruding toward the other connecting seat 74. The stop spring ring 75 is threaded and sleeved outside the semi-cylinder bodies 742 and assembled between the disk base bodies 741. Since the stop coil 75 is restricted by the limit seat 76 and cannot expand its outer diameter, the disc seats 741 cannot rotate relatively in a way that makes the outer diameter of the stop coil 75 larger. The stop coil 75 is relatively rotated so that its outer diameter is reduced. In other words, the stop coil 75 and the connecting seats have the effect of allowing unidirectional rotation or unidirectional stop.

The shell 21 of the housing unit 2 is formed with a shell engaging tooth structure 211 protruding inward in the radial direction. The planetary gear unit 6 omits the first stoppers 66, It also includes a plurality of snap-fitting groups 67 between the outer protruding teeth 624 of the outer tooth base 622 and the shell locking tooth structures 211 elastically.

Please refer mainly to FIG. 16 for the structure of the card arrival group 67. Each locking group 67 includes a locking member 671 that is locked between the outer protruding teeth 624 and the housing tooth structure 211, and an elastic member disposed between the locking member 671 and the outer tooth base 622 672. Each blocking member 671 can cooperate with the corresponding elastic member 672 to restrict the outer gear holder 622 so that the outer gear holder 622 can only rotate in one direction along the forward rotation direction D1.

The radial width of the ring seat portion 443 of the rope winding seat 44 of the driving mechanism 4 is increased, and is combined with the controller 51 of the control unit 5. The control unit 5 omits the control group 52 and includes an elastic member 55 arranged between the first supporting shaft 61 of the planetary gear unit 6 and the connecting seats 74. The controller 51 can be pulled to drive the rope reel base 44 and the planetary gear unit 6 to move forward. The elastic member 55 provides the elastic force to push the planetary gear unit 6 and the roping seat 44 backwards, so that the planetary gear unit 6 can move back and forth as shown in FIG. 15 and FIG. 17, so that the transmission unit 7 One of the internal gear set 62 and the sun gear 65 can be detachably and selectively clamped.

Referring to 13 to 15 and FIG. 17, when the controller 51 extends up and down, that is, when the controller 51 is not moved forward and as shown in FIG. 15, the outer part of the sun gear 65 of the planetary gear unit 6 The structure of the toothing structure 653 is to engage the inner toothing structure 712 of the transmission base 71, and can drive the transmission base 71 to reverse, and under the action of the planetary gear set 73 and the shaft socket 72, drive the rotating shaft 1 Forward.

When the controller 51 is pulled forward and pushes the roping seat 44 and the driving seat 43 forward, and drives the planetary gear unit 6 forward, the sun gear 65 of the planetary gear unit 6 will further move forward. The front protrusion extends into the transmission seat 71 and protrudes the inner tooth structure 712 of the transmission seat 71, as shown in FIG. 17, at this time, the diameter tooth structure 713 of the transmission seat 71 will engage the inner gear seat The tooth structure inside the 621 can be driven by the internal gear seat 621 to rotate forward, and under the action of the planetary gear set 73 and the shaft socket 72, the rotating shaft 1 can be driven to reverse. At this time, the elastic member 55 is compressed to accumulate elastic force.

When the controller 51 is pulled back to the position shown in FIG. 15, it will directly drive the rope reel base 44 to move backward, and the elastic member 55 will also release the elastic force to push the planetary gear unit 6 backwards. The planetary unit 6 returns back to the position shown in FIG. 15.

Since the third embodiment also enables the transmission base 71 to be engaged with one of the internal gear base 621 and the sun gear 65, so that the transmission base 71 can output torques of different rotations, it can also achieve the same The same effect as the first embodiment.

Referring to FIG. 18, a fourth embodiment of the curtain controller of the present invention is similar to the third embodiment. The difference is that the shell 21 of the fourth embodiment omits the shell tooth structure 211, and each snapping group 67 The elastic member 672 is omitted, and each engaging member 671 is engaged with the outer protruding teeth 624 of the outer tooth base 622. The planetary gear unit 6 also includes a C-shaped fastener 673 that is sleeved outside the retaining members 671. The fastener 673 provides the constricting force that causes the retaining members 671 to clamp the outer protruding teeth 624 radially inward, and The outer gear holder 622 is locked and restricted by the locking members 671 and can only rotate in one direction.

In summary, the effect of the curtain controller of the present invention is that the transmission unit 7 can be selectively engaged with one of the internal gear seat 621 and the sun gear 65, so the user only needs to pull the operating rope 42 by A single operation mode can produce two effects of driving the rotating shaft 1 to rotate forward or reverse to drive the curtain body to move up and down.

The above are only examples of the present invention, and cannot be used to limit the scope of patent application of the present invention, and equivalent changes made according to the scope of patent application of the present invention and the contents of the specification should also be the present invention. Covered by the scope of the patent application.

2: housing unit

21: Shell

22: inner shell

23: side cover

3: Forward and reverse mechanism

4: drive mechanism

41: drive unit

42: Operation rope

43: drive seat

435: ditch

44: Rope seat

442: groove seat

443: Ring Seat

45: Elastic unit

46: Ball

5: Control unit

51: Controller

52: control group

53: Ring

531: Pivot Ring

532: Pivot Ring

533: Push Ring

6: Planetary gear unit

60: fixed piece

61: The first shaft

611: Shaft

62: Internal gear set

621: Internal gear seat

622: External Gear Seat

623: front tooth structure

624: Outer teeth

63: Gear bracket

631: stop hole

632: plug hole

64: Planetary gear

641: cylinder

642: Gear Body

65: Sun gear

651: Rotor

652: stud

653: External card tooth structure

66: The first stop

661: stop card

7: Transmission unit

71: Transmission seat

711: Rear clamping tooth structure

712: Internal card tooth structure

72: Axis socket

D1: Forward direction

D2: Reverse direction

Claims (11)

A curtain controller is suitable for use with a rotating shaft extending forward and backward in the axial direction, and includes: at least one forward and reverse rotation mechanism, including a planetary gear unit, and a transmission unit. The planetary gear unit includes an internal gear set, A planetary gear meshing with the internal gear set, and a sun gear meshing with the planetary gears, the transmission unit can be separated and selectively clamped with one of the internal gear set and the sun gear to be able to interact with the One of the internal gear set and the sun gear rotates in the same direction together, and the transmission unit is suitable for inserting the rotating shaft to drive the rotating shaft to rotate in the same direction together; and a driving mechanism including a driving mechanism capable of driving the internal gear set to rotate The drive unit and an operating rope wound on the drive unit, the operating rope can be pulled to drive the drive unit to drive the internal gear set and the sun gear to rotate; wherein the planetary gears can rotate but do not revolve. The curtain controller according to claim 1, wherein the sun gear includes a rod portion that meshes with the planetary gears, and a stud portion protruding from the internal gear set in the axial direction, and the curtain controller further Contains a control unit, the control unit includes a controller, and a control group connected between the controller and the transmission unit, the controller can drive the transmission unit to move back and forth in the axial direction through the control group to be able to separate In addition, one of the internal gear set and the sun gear can be selectively clamped. The curtain controller according to claim 2, wherein the curtain controller further includes a housing unit that is sheathed outside the transmission unit, and the control group It includes a sleeve ring that passes through the transmission unit and is located between the transmission unit and the housing unit, and a control member connected between the controller and the sleeve ring, and the sleeve ring includes a pivotal connection to the housing The pivoting ring portion of the unit and a pivoting ring portion radially spaced from the pivoting ring portion, the control member is connected between the controller and the pivoting ring portion, and can be driven by the controller to drive the Pivotally swing the ring portion, and enable the collar to pivot with the pivotal ring portion as a fulcrum, and push the transmission unit to drive the transmission unit to move, so as to be able to separate and selectively snap the internal gear set and the One of the sun gears. The curtain controller according to claim 1, wherein the driving unit includes a driving seat, a rope winding seat looped around the driving seat and used for winding the operating rope, and an elastic unit combining the rope winding seat , And a number of balls clamped between the driving seat and the rope winding seat, the outer surface of the driving seat is formed with a concave groove extending in the arc direction and encircling a circle, the rope winding seat can be pulled on the operating rope When it comes out, it is driven by the operating rope to rotate forward in a forward rotation direction. The elastic unit can provide the rope reel seat with an elastic force that reverses in a reverse direction opposite to the forward rotation direction. The balls can wind the rope When the seat rotates forward, the driving seat is driven to rotate forward, and when the rope winding seat is reversed, it can move relative to the driving seat in the groove without driving the driving seat. The curtain controller according to claim 4, wherein the outer surface of the drive seat is formed with two loops spaced forward and backward in the axial direction and protruding outward in the radial direction, and several loops extending from the loops in the axial direction. The protrusions protruding out and arranged at intervals along the arc, the rings and the protrusions cooperate to define the groove, each protrusion has a recess facing the reverse direction and facing the forward rotation direction A limit surface that can be supported by one of the balls to drive the drive seat to rotate forward, and an extension surface facing the forward rotation direction and extending obliquely to another adjacent protrusion along the reverse direction, each extension surface One of the balls can move in the groove along the reversal direction. The curtain controller according to claim 1, wherein the internal gear set includes an internal gear seat that engages the planetary gears, and an external gear seat capable of rotating in the same direction with the internal gear seat, and the external gear The outer surface of the seat is formed with a plurality of outer protruding teeth protruding radially outward and in the arc direction. The planetary gear unit further includes at least one first stopper that is sleeved outside the outer gear seat, and the at least one first The stopper is formed with at least one stopper tooth protruding inward in the radial direction and along the arc direction, and the at least one stopper tooth can clamp the outer protruding teeth, so that the outer tooth seat can only rotate in one direction . The curtain controller according to claim 1, wherein the curtain controller includes two of the forward and reverse mechanisms, and the driving mechanism further includes a set connected to the drive unit and optionally connected to one of them. The switching group of the internal gear set of the reversing mechanism, the switching group includes two driving gears that engage the drive unit at a left and right interval and are respectively located behind the internal gear sets, and a left and right extending and clamping the drive gears The switch seat can use the position between the driving gears as the fulcrum, and pivot by moving the left and right ends back and forth, and can drive one of the driving gears forward and the corresponding one of the internal gears. It is connected to drive one of the internal gear sets to rotate and drive the other driving gear to be separated from the corresponding other internal gear set. The curtain controller according to claim 1, wherein the sun gear includes a A rod portion meshing with the planetary gears, and a stud portion protruding axially from the internal gear set. The curtain controller further includes a control unit that includes a control unit connected to the drive unit And an elastic member elastically abutting against the planetary gear unit, the controller can control the driving unit to drive the planetary gear unit to approach the transmission unit in the axial direction, and the elastic member can provide the driving unit and the planetary gear unit away from The elastic force of the transmission unit enables the transmission unit to be separated and selectively clamped to one of the internal gear set and the sun gear. The curtain controller according to claim 8, wherein the internal gear set includes an internal gear seat and an external gear seat that are connected back and forth and coaxially rotatable together, the inner gear seat engages the planetary gears, and the outer gear The outer surface of the seat is formed with a plurality of outer protruding teeth protruding outward in the radial direction and in the arc direction. The curtain controller also includes a housing unit that passes through the planetary gear unit, and the housing unit is formed with a diameter Inwardly extending shell tooth structure, the planetary gear unit further includes at least one snapping group, the snapping group can be elastically snapped between the outer protruding teeth and the shell tooth structure, so that the outer tooth seat only Can rotate in one direction. The curtain controller according to claim 9, wherein the planetary gear unit includes a plurality of the engagement groups, and each engagement group includes a latch that is engaged between the outer protruding teeth and the housing engagement structure Abutting piece, and an elastic piece arranged between the catching piece and the outer tooth seat. The curtain controller according to claim 1, wherein the internal gear set includes an internal gear seat that engages the planetary gears, and an external gear seat capable of rotating in the same direction with the internal gear seat, and the external gear The outer surface of the seat is formed with A plurality of external protruding teeth protruding outward in the radial direction and in the arc direction, the planetary gear unit also includes a plurality of retaining members that are clamped outside the outer gear seat, and a ring sleeved outside the retaining members The fastener provides the constricting force that causes the retaining members to clamp the external protruding teeth radially inward, so that the external tooth seat is clamped and can only rotate in one direction.

Images