TWM542424U - Curtain controller - Google Patents

Description

Curtain controller

The present invention relates to a curtain, and more particularly to a curtain controller.

Referring to Figures 1 and 2, a curtain controller adapted to drive rotation of a shaft member 97 includes a housing 91, a roller 92 located within the housing 91, and a housing 91 rotatably mounted to the housing 91. a sliding member 93 between the side wall and the drum 92 and slidable back and forth, a spring 94 interposed between the sliding member 93 and the rear side wall of the outer casing 91, and a spring 94 rotatably mounted to the outer casing 91 A retaining member 95 between the front side wall and the drum 92 for driving the shaft member 97, and a rope 96 for operating the drum 92. When the rope 96 is pulled, the roller 92 can be rotated by the rope 96, and the resisting member 95 is driven to drive the shaft member 97 to rotate. When the pulling force of the rope 96 is higher than a given value, the roller 92 will Together with the rope 96 being pulled out of the outer casing 91, it is possible to prevent the child from playing with the rope 96 due to temporary curiousness, and the rope 96 is wound around the neck to break free from the suffocation.

Since the front and rear sides of the drum 92 are respectively supported by the abutting member 95 which is a movable member and the sliding member 93, the front side of the drum 92 is a rotating movable supporting point, and the rear side is a movable supporting point for sliding back and forth, and the rear side is Both the abutting member 95 and the sliding member 93 are movably assembled to the outer casing 91, so that it is necessary to maintain a proper margin during manufacture, so that the abutting member 95 and the sliding member 93 are assembled and the outer casing The gap between the 91 is swayed, and the above-mentioned situation makes the assembly between the abutting member 95, the roller 92 and the sliding member 93 relatively unstable, and the force that the roller 92 is pulled out in actual use is difficult to control. .

Accordingly, it is an object of the present invention to provide a shade controller that improves at least one of the disadvantages of the prior art.

Thus, the novel shade controller is adapted to drive a shaft member through an operating chain drive and includes a housing, a bead disc, and a transmission unit. The outer casing includes a front base and a rear base arranged in front and rear. The bead disk is interposed between the front base and the rear base, and is engageable by the operating chain. . The transmission unit is rotatably coupled between the front base and the rotating bead disk, and is coupled to the shaft member, and is elastically supported back to the rotating bead disk, and the transmission unit can be synchronously driven by the rotating bead disk. The shaft member is driven to rotate. The bead disk is movable relative to the outer casing between a driving position and a disengaging position. In the driving position, the bead disk can be rotated by the operating chain, and the transmission unit is rotated to drive the shaft. Rotating the operating chain; pulling the operating chain enables the bead disk to squeeze the transmission unit, and the rotating bead disk is elastically displaced forward relative to the outer casing to pull the operating chain and the rotating bead from the outer casing And moving the bead disk to the ejecting position.

The function of the novel is that the rear side of the rotating bead is designed as a fixed supporting point through the design of the rotating and elastically compressible transmission unit, so as to enhance the driving unit and the rotating bead when the rotating bead is actuated. The stability between the disc and the rear base.

Referring to FIG. 3, FIG. 4 and FIG. 6, an embodiment of the curtain controller of the present invention is suitable for use in a curtain that can be rolled up and down, such as a roller blind, a roman blind or a blind, and the roller blind control device is suitable for An operating chain 6 engages the drive to drive a shaft member 900 to rotate, thereby stowing or unwinding the curtain (not shown). The operating chain 6 includes a plurality of beads 61 that are connected in series with one another. The shaft member 900 has a transmission hole 901 which can be driven by the roller blind control device and has a hexagonal hole, and comprises a mounting pendant 1, a casing 2, a ball bead 5, a transmission unit 7, and a The unit 8 is attached.

In the present embodiment, for convenience of explanation of the mutual positional relationship between the elements, the left side of FIG. 6 is the front side, the right side is the rear side, and an axis X extending in the front-rear direction is defined, but the relative position of each element is implemented as long as it is implemented. It can be the same as this implementation.

The mounting pendant 1 can be screwed on the ceiling or the wall wall, and includes a main fastening hole 11 and four auxiliary fastening holes 12 respectively located on the lower left and right sides of the main fastening hole 11. The main buttonhole 11 includes two positioning hole portions 111 which are elongated and overlapped with each other. The two auxiliary fastening holes 12 on the left and right sides of the main fastening hole 11 are elongated in the vertical direction, and the other two auxiliary fastening holes 12 on the upper and lower sides of the main fastening hole 11 are long and left. Long strips.

The outer casing 2 is fastened to the mounting pendant 1 and includes a front base 3 and a rear base 4 joined together in front and rear. The front base 3 has an upright front base wall 31 and a shaft tube 32 extending forwardly along the axis X by the front base wall 31. The front base wall 31 has a central wall 311 which is centrally located and has a rear side recessed forward, and a peripheral wall 312 surrounding the central wall 311. The central wall 311 defines a front mounting area 33. .

The rear base 4 has an upright rear base wall 41, and a connecting wall 42 extending forwardly from the upper peripheral edge of the rear base wall 41 to the front base wall 31. The rear base wall 41 and the connecting wall 42 A rear mounting region 43 that defines an opening downward is defined with the peripheral wall 312. In this embodiment, the rear base 4 and the front base 3 are separately manufactured and assembled, but in practice, the rear base 4 and the front base 3 can also be integrally formed and manufactured. The examples are limited.

The rear base wall 41 is detachably coupled to the mounting pendant 1 and has an upright wall body 411, an abutment groove 412 which is recessed rearwardly on the front side of the wall body 411, and a projection The main buckle 413 on the rear side of the wall body 411, and two auxiliary buckles 414 protruding from the rear side of the wall body 411 and located on the left and right sides of the main buckle 413.

The main cleat 413 has a straddle portion 416 extending rearward from a rear side of the wall body 411, and a latch portion 417 extending downward from the straddle portion 416 and spaced apart from the wall body 411. Each of the auxiliary cleats 414 has a convex portion 418 protruding rearward from the rear side of the wall body 411, and a limiting portion 419 which is protruded upward from the convex portion 418 and joined to the rear side of the wall body 411.

Referring to FIGS. 3, 6, and 7, the bead disk 5 is interposed between the front base 3 and the rear base 4, and includes an upright turntable portion 51 and a center front side of the turntable portion 51. The front joint portion 52, a rear joint portion 53 which is located at the center rear side of the turntable portion 51 and which is convexly rearwardly tapered, and a neck portion 54 interposed between the rear joint portion 53 and the turntable portion 51. The turntable portion 51 has a plurality of bead slots 512 formed at the periphery and equiangularly spaced from each other. The bead slots 512 are adapted to be embedded in the bead bodies 61 for the operating chain 6 to be engaged. The front joint portion 52 has a sliding groove 521 recessed rearwardly along the axis X, and a plurality of angularly spaced around the axis X are arranged on the circumference of the sliding groove 521 and communicate with the sliding groove 521. The card slot 522 has a tapered surface with the slot wall of the slot 522. The rear joint portion 53 is coupled to the abutment groove 412 to be rotatable along the axis X.

The transmission unit 7 includes a linking member 71 rotatably inserted into the shaft tube 32 for driving the shaft member 900 to rotate, a resisting member 72 that is movably inserted back and forth in the shaft tube 32, and a retaining member 72. An elastic member 73 is mounted between the linking member 71 and the abutting member 72. The linking member 71 has a receiving portion 711 abutting against the front end of the inner wall of the shaft tube 32, a connecting portion 712 extending rearward from the receiving portion 711 and having a square cross section, and a direction from the abutting portion 711 A drive head segment 713 that extends forwardly and is engageable with a drive aperture 901 of the shaft member 900.

The abutment member 72 has an abutment section 721 located in the rear mounting region 43, and a mating section 722 extending forwardly from the abutment section 721 and engaging the connecting section 712. The abutting portion 721 and the front joint portion 52 abut against each other in a synchronous manner, and have a positioning fitting portion 723 which protrudes rearwardly along the axis X and can fit into the sliding groove 521 of the front joint portion 52, and A plurality of driving inserts 724 protruding from the positioning fitting portion 723 and correspondingly engaging the card fitting grooves 522 of the front joint portion 52 are disposed at an angular interval of the axis X, and the card fitting grooves 522 are passed through the card fitting grooves 522. The corresponding combination of the inserting portions 724 enables the rotating bead disk 5 to drive the resisting members 72 to rotate synchronously.

The plug section 722 has a mating hole 725 having a square cross section and correspondingly extending the connecting section 712. In this embodiment, the connecting portion 712 and the mating hole 725 are square, but the connecting portion 712 and the mating hole 725 may also be non-circular, such as a triangle, a pentagon, a hexagon, or an ellipse. Limited to the above. The elastic member 73 is a compression spring and is sleeved on the connecting portion 712 to constantly generate an elastic force that is offset from the connecting member 71. However, in practice, the elastic member 73 may be an elastic member such as a rubber body, and is not limited to the embodiment.

The transmission head segment 713 has a hexagonal shape and can be coupled with the transmission hole 901. However, the transmission head segment 713 and the transmission hole 901 can also be triangular, quadrangular, pentagon, elliptical, etc. Non-circular, not limited to the above.

The hanging unit 8 includes a pivoting member 81 pivotally fastened to the neck portion 54, a seat fastener member 82 mounted to the rear base 4, and a pivoting member 81 coupled to the seat member A tether 83 between the fasteners 82. The pivoting member 81 of the embodiment is a flat piece and has a pivot hole 811 having a circular shape and a smaller diameter than the rear joint portion 53. The size of the pivot hole 811 is designed to enable the The pivoting member 81 pivots and is limited between the rear joint portion 53 and the turntable portion 51.

Referring to FIG. 5, FIG. 6, FIG. 8 and FIG. 9, when the curtain controller of the present invention is installed, the outer casing 2 is buckled to the ceiling through the design of the main buckle 413 and the auxiliary buckle 414. First, the user first inserts the main buckle block 413 and the convex card portion 418 of the auxiliary buckle block 414 into the main button hole 11 and the auxiliary button hole 12 respectively, as shown in FIG. The limiting portion 419 of the fastener corresponds to the mounting pendant 1 and then slightly moves the curtain controller downward to the position shown in FIG. 5. At this time, the locking portion 417 of the main fastening block 413 will be as The buckle shown in FIG. 6 is fastened to the bottom edge of the main buckle hole 11, so that the curtain controller cannot move back and forth substantially, and the limiting portion 419 of the auxiliary buckle 414 is respectively buckled as shown in FIG. The top edge of the auxiliary button hole 12 can be matched with the shape of each of the auxiliary button holes 12 because each of the convex portion 418 is matched with the respective limiting portion 419, so that the card can be stuck in the limiting portion 419. When the auxiliary button holes 12 are inserted into the auxiliary button holes 12, the auxiliary button holes 12 are restricted from being able to swing up and down, and the curtain controller is stably assembled to the installation. Pendant 1. Of course, the main buckle 413 can also have a corresponding card to the positioning when the latching portion 417 is fastened to the bottom edge of the main latching hole 11 as the limiting portion 419 of each of the auxiliary latching blocks 414. The card portion of the top edge of the hole portion 111.

In addition, through the shape design of the main buttonhole 11 and the positional design of the auxiliary buttonholes 12, when the mounting pendant 1 is rotated 90 degrees around the axis X and fixed to the wall surface, the outer casing 2 can still be installed in the original manner. Thereby, the user can easily install the curtain controller.

Referring to FIG. 3, FIG. 6, FIG. 10 and FIG. 11, in use, the operating chain 6 can be driven to drive the rotating bead 5 to rotate synchronously with the transmission unit 7 to drive the shaft member 900 to spread the curtain, and Increasing the force of pulling the operating chain 6 so that the bead disc 5 is changed from a driving position fixed to the front base 3 and the rear base 4 as shown in FIG. 6 to a disengaged position as shown in FIG. . When the bead disc 5 is in the driving position, it is sandwiched between the abutting member 72 and the rear base 4. At this time, the rear joint portion 53 of the bead disc 5 is rotatably coupled to the rear. The abutment groove 412 of the base 4 is coupled to the transmission unit 7 in a rotationally fixed manner, that is, the card slot 522 of the front joint portion 52 is used for the support. The driving inserts 724 of the member 72 are correspondingly engaged, so that the rotating bead 5 and the transmission unit 7 cannot rotate relative to each other.

When the user pulls the operating chain 6, the rotating bead disk 5 is rotated about the axis X, and the transmission unit 7 is rotated to drive the shaft member 900 to rotate to retract the curtain.

When the force of pulling the operation chain 6 exceeds a certain value, for example, when the child wraps around the neck and pulls down the operation chain 6 or presses the operation chain 6 by its own weight, the bead plate 5 is driven. The ground movement shown in FIG. 10 is offset from the axis X, due to the positioning fitting portion 723 of the abutting member 72 and the sliding groove 521 of the front joint portion 52, and the abutting groove 412 and the rear joint portion of the rear base 4 The matching design can force the resisting member 72 to slide forward against the elastic biasing force to compress the elastic member 73 when the rotating bead disk 5 moves away from the axis X, due to the transmission unit 7 The combination of the abutting member 72 and the linking member 71 enables the abutting member 72 to slide back and forth with respect to the linking member 71 as shown in FIG. 10 while driving the linking member 71.

When the abutting portion 721 of the abutting member 72 slides forward to the front mounting space 53, a space is made for the operating chain 6 to be detached from the rotating bead 5 downwardly, and the outer casing 2 is pulled away. Then, the hanging unit 8 pulls the falling bead disk 5, and the rotating bead disk 5 is flipped under the outer casing 2 to move to the ejecting position, and the operating chain 6 is completely separated from the rotating bead disk. 5 and free fall, and no longer tighten the child's neck, so that the operation chain 6 can be unwound in a timely manner, and the bead plate 5 is hung on the outer casing 2 to avoid the bead plate 5 The rapid fall of the time and the injury of the child's head or eyes, causing secondary injuries, can also avoid the possibility of being eaten by children, can greatly improve the safety of use. Of course, the length of the tether 83 must be properly designed, and must be above a certain length so that the bead disk 5 can be smoothly taken out and kept below the other specific length to keep the ball 5 away from the ground. Without hitting children.

It should be noted that the transmission unit 7 on the front side of the bead disc 5 is a movable member, and the rear base 4 on the rear side of the bead disc 5 is a fixing member, so that the front side of the bead disc 5 is movable. The support point and the rear side are fixed support points. The above design can improve the stability between the transmission unit 7, the bead disc 5 and the rear base 4 when the bead disc 5 is actuated to stabilize the rotation. The force that the bead plate 5 is pulled out, so that the operation chain 6 can be pulled out normally when pulled by the pulling force exceeding the specific value, so as to improve the safety of the curtain controller when used, and when manufactured, Only the concave tapered surface of the rear base 4 is formed into a concave tapered surface, and the rear joint portion 53 of the rotating bead disk 5 forms a convex tapered surface, so that the bead disk 5 can be formed. The rear side matching group is connected to the rear base 4, and does not need to retain the margin required for the active assembly, and does not sway relative to the rear base 4.

In summary, the curtain controller of the present invention can be designed to be a fixed support point by the rotation of the transmission unit 7 and the elastic compression design, so as to enhance the movement of the bead disc 5 when the bead disc 5 is actuated. The stability of the transmission unit 7, the bead disc 5 and the rear base 4, thereby improving the safety of use, and further, the design of the hanging unit 8 can also be released on the bead disc 5 When the bead plate 5 is taken to improve the safety of use, the purpose of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧Installation pendant
11‧‧‧Main buttonhole
111‧‧‧Position hole
12‧‧‧Auxiliary buttonhole
2‧‧‧ Shell
3‧‧‧ front base
31‧‧‧ front wall
311‧‧‧ center wall
312‧‧‧peripheral wall
32‧‧‧ shaft tube
33‧‧‧Pre-installation area
4‧‧‧Back base
521‧‧‧Sliding slot
522‧‧‧ card slot
53‧‧‧post joint
54‧‧‧ neck
6‧‧‧Operation chain
61‧‧‧ beads
7‧‧‧Transmission unit
71‧‧‧ linkages
711‧‧‧Affected section
712‧‧‧Connection section
713‧‧‧Drive head section
72‧‧‧Resistance

41‧‧‧Back base wall

411‧‧‧ wall body

412‧‧‧Abutment slot

413‧‧‧Main buckle

414‧‧‧Auxiliary clasps

416‧‧‧cross section

417‧‧‧Card Department

418‧‧‧ convex card department

419‧‧‧Limited

42‧‧‧Connecting wall

43‧‧‧After installation area

5‧‧‧ Turning plate

51‧‧‧ Turntable Department

512‧‧‧Into the bead slot

52‧‧‧ Front Joint Department

721‧‧‧Abutment

722‧‧‧Docking section

723‧‧‧ Positioning insert

724‧‧‧ Drive the inlay

725‧‧‧ docking holes

73‧‧‧Flexible parts

8‧‧‧ hanging unit

81‧‧‧ pivot fastener

811‧‧‧ pivot hole

82‧‧‧seat fasteners

83‧‧‧ tether

900‧‧‧ shaft parts

901‧‧‧Drive hole

X‧‧‧ axis

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is an incomplete cross-sectional side view showing a conventional roller controller having a roller in a housing; Figure 2 is an incomplete cross-sectional side view showing the drum of the prior curtain controller coming out of the casing; Figure 3 is an exploded perspective view showing an embodiment of the curtain controller of the present invention; Figure 4 is a section Rear view, illustrating the rear structure of an outer casing of the embodiment; FIG. 5 is an incomplete rear view illustrating the outer casing of the embodiment being snapped to a mounting bracket; FIG. 6 is taken along line VI-VI of FIG. A sectional view showing the internal structure of the embodiment, and a bead disk of this embodiment is located at a driving position; and Fig. 7 is an incomplete enlarged cross-sectional side view showing the rear side of the bead disk of the embodiment. Figure 8 is a rear view showing the rear side of the casing of the embodiment corresponding to the mounting pendant; Figure 9 is a cross-sectional view taken along line IX-IX of Figure 5; An auxiliary buckle of the embodiment is buckled to an auxiliary button hole; FIG. 10 is a view similar to FIG. 6, illustrating that the bead disk of the embodiment is pulled downward; and FIG. 11 is similar to FIG. The view shows that the bead disk of this embodiment is located in a disengaged position.

1‧‧‧Installation pendant

11‧‧‧Main buttonhole

111‧‧‧Position hole

12‧‧‧Auxiliary buttonhole

2‧‧‧ Shell

3‧‧‧ front base

31‧‧‧ front wall

311‧‧‧ center wall

52‧‧‧ Front Joint Department

521‧‧‧Sliding slot

522‧‧‧ card slot

7‧‧‧Transmission unit

71‧‧‧ linkages

711‧‧‧Affected section

712‧‧‧Connection section

713‧‧‧Drive head section

312‧‧‧peripheral wall

32‧‧‧ shaft tube

33‧‧‧Pre-installation area

4‧‧‧Back base

41‧‧‧Back base wall

411‧‧‧ wall body

412‧‧‧Abutment slot

42‧‧‧Connecting wall

43‧‧‧After installation area

5‧‧‧ Turning plate

51‧‧‧ Turntable Department

512‧‧‧Into the bead slot

72‧‧‧Resistance

721‧‧‧Abutment

722‧‧‧Docking section

723‧‧‧ Positioning insert

724‧‧‧ Drive the inlay

73‧‧‧Flexible parts

8‧‧‧ hanging unit

81‧‧‧ pivot fastener

811‧‧‧ pivot hole

83‧‧‧ tether

900‧‧‧ shaft parts

901‧‧‧Drive hole

Claims (9)

A curtain controller adapted to drive a shaft member through an operating chain drive and comprising: a housing comprising a front base and a rear base arranged in a front-rear direction; a bead disk interposed between the front base And the rear base is configured to be engaged by the operating chain; and a transmission unit is rotatably coupled between the front base and the rotating bead and coupled to the shaft member, and elastically supported backward In combination with the bead disk, the transmission unit can be driven synchronously by the bead disk to drive the shaft member to rotate; the bead disk can be moved relative to the outer casing between a driving position and a disengaging position, in the driving In position, the bead disk can be rotated by the operation chain, and the transmission unit is rotated to drive the shaft to rotate; and pulling the operation chain to force the ball bead to force the transmission unit, so that The bead disk is resiliently displaced forward relative to the outer casing to pull the operating chain and the bead disk away from the outer casing to move the bead disk to the disengaged position. The curtain controller of claim 1, wherein the rear base has an abutment groove on the front side and recessed rearwardly in a tapered shape, the bead disk having a rotation for the operation chain to be engaged and driven. a turntable portion, and a rear joint portion which is located at a rear side of the turntable portion and protrudes rearward in a tapered shape, and the rear joint portion is rotatably coupled to the abutment groove. The curtain controller of claim 2, wherein the transmission unit includes a resisting member that is slidably mounted to the front base, and a The front base can always generate an elastic member that drives the elastic force of the abutting member to be displaced backward. The abutting member has an abutting portion, and the rotating bead plate further has a front side of the turntable portion and is coupled thereto. The connecting portion can synchronously rotatably abut the front joint portion, and the pulling of the operating chain can force the rotating ball to force the forward retaining member to elastically slide away. The curtain controller of claim 3, wherein the front base has a shaft tube extending longitudinally along the axis, the transmission unit further comprising a rotatably inserted in the shaft tube for driving the shaft a rotating linking member, the abutting member further having a plug portion extending forwardly from the abutting portion and coupled with the linking member, the connecting portion being slidable back and forth along the axis and synchronizable with the linking member Rotatingly combined. The curtain controller of claim 4, wherein the linking member has an abutting section, and a connecting section extending rearwardly from the receiving section to the plugging section, the connecting section having a non-circular cross section The plug section has a mating hole for the connecting section correspondingly, and the cross section of the mating hole corresponds to the cross section of the connecting section, so that the abutting member and the linking member can be synchronously rotatably coupled. The curtain controller of claim 5, wherein the elastic member is sleeved on the connecting portion and abuts between the receiving portion and the connecting portion. The curtain controller according to claim 2, further comprising a hanging unit connected between the outer casing and the rotating bead, and when the rotating bead moves to the ejecting position, the hanging bead is pulled by the hanging unit Suspended under the outer casing. The curtain controller of claim 7, wherein the bead disk further has a neck portion between the rear joint portion and the turntable portion, the hanging unit package A pivoting member pivotally coupled to the neck portion and positioned between the rear joint portion and the turntable portion, and a tether coupled between the pivot member and the outer casing. The curtain controller of claim 3, wherein the front joint has a sliding groove recessed rearwardly along the axis, and a plurality of surrounding the sliding groove and the sliding groove a connecting card slot, the abutting section has a positioning embedded portion that protrudes rearwardly in a tapered shape and can be correspondingly embedded in the sliding groove, and a plurality of surrounding surrounding the positioning embedded portion can respectively embed the cards The slotted drive inserts.