EP3584401B1 - Fast positioning structure of safe position limiting device of roller blind - Google Patents
Fast positioning structure of safe position limiting device of roller blind Download PDFInfo
- Publication number
- EP3584401B1 EP3584401B1 EP18178371.3A EP18178371A EP3584401B1 EP 3584401 B1 EP3584401 B1 EP 3584401B1 EP 18178371 A EP18178371 A EP 18178371A EP 3584401 B1 EP3584401 B1 EP 3584401B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- inner tube
- position limiting
- engaging
- roller blind
- screw member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004744 fabric Substances 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/26—Lamellar or like blinds, e.g. venetian blinds
- E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
- E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
- E06B9/32—Operating, guiding, or securing devices therefor
- E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6872—Control using counters to determine shutter position
- E06B2009/6881—Mechanical counters
Definitions
- the present invention relates to a fast positioning structure of a safe position limiting device of a roller blind which can be rapidly assembled and limit the vertically extending and shrinking position of a curtain fabric.
- a curtain is assembled according to the length of its curtain fabric to adjust an assembling position of a travel path of a controller.
- Document EP 3 309 347 A1 relates to an adjustable internal double limit stop for roller shades and, more specifically, teaches a travel limit assembly for adjusting and limiting the amount of extension and retraction that a roller tube and covering can undergo in operation.
- a covering for an architectural opening includes a rotatable roller and an assembly positioned at least partially within the roller, wherein the assembly supports an end of the roller and can be connected with an end of a head rail, wherein the assembly may further store potential energy and release that energy in the form of kinetic energy at a specific shade position during extension of the shade, so that the kinetic energy rotates the roller in a specific direction to effect full extension of the shade.
- Taiwan Patent No. TWM454156 (U), issued on 1st Jun. 2013 , has disclosed an "improved blind rod positioning structure".
- the structure comprises the following steps to assemble a blind rod including: assembling the blind rod to a positioning member for setting a winding up position of a first sleeve ring; disassembling the blind rod and screwing and positioning the first sleeve ring; reassembling the blind rod to the positioning member for setting a vertical extension position of a second sleeve ring; disassembling the blind rod and screwing and positioning the second sleeve ring; and finally reassembling the blind rod to the positioning member.
- the assembly of the abovementioned structure comprises many steps, which is very time consuming.
- the abovementioned positioning structure is used to position a large curtain, two or more assembly personnel are required to complete the operation. Therefore, the traditional structure has the problems of assembly difficulty and waste of time and manpower.
- the aspect of the present invention is to provide a fast positioning structure of a safe position limiting device of a roller blind which can be rapidly assembled and limit the vertically extending and shrinking position of a curtain fabric.
- a fast positioning structure of a safe position limiting device of a roller blind mainly comprises a controller having an axle rod, an axial rail limiting assembly disposed at one end of the axle rod and having a screw member, an elastic member in the screw member, and an inner tube, a touch member for positioning the inner tube within the screw member, and a positioning member, a position limiting member and an outer sleeve tube screwing at an external of the screw member.
- the inner tube is further provided with a first tooth part on its end surface.
- the outer sleeve tube is provided with a seal cap at its one end, and the seal cap is further provided with a second tooth part corresponding to the first tooth part of the inner tube.
- the outer ring gear of the positioning member can be engaged with the positioning ring for positioning when the curtain is opened, and the first tooth part of the inner tube can be engaged with the second tooth part for positioning by releasing the touch member when a curtain tube is rotated to a closed position so as to achieve the efficiency of automatic assembly and fast positioning without screws.
- a fast positioning structure of a safe position limiting device of a roller blind of the present invention is disclosed herein. It mainly comprises a controller (1), an axial rail limiting assembly (2), a touch member (3), a positioning member (4), a position limiting member (5), an outer sleeve tube (6), and a curtain tube (7).
- the controller (1) is provided with an axle rod (11), and the axle rod (11) is further provided with a through hole (111) and an engaging part (112) on its outside.
- the axial rail limiting assembly (2) is provided with a screw member (21), an elastic member (22), and an inner tube (23).
- the screw member (21) is provided with an axle hole (211) on its first end surface for engaging with the axle rod (11) for positioning, a first chamber (212) in its second end surface for allowing corresponding insertion of the inner tube (23) and horizontal movement of the inner tube (23) in the first chamber (212), an engaging slot (210) for correspondingly engaging with the engaging part (112) and communicating with the first chamber (212), and a trench (213) at the first end of the screw member (21).
- the inner tube (23) is provided with a first tooth part (231) on its end surface, a central through hole (232), and a second chamber (233) therein for communicating with the central through hole (232) and accommodating the elastic member (22).
- the inner tube (23) is correspondingly inserted into the first chamber (212) of the screw member (21) for horizontal movement.
- an outer surface of the inner tube (23) is axially provided with a rail (234), and an inner surface of the first chamber (212) is provided with a convex guiding bar (214) corresponding to the rail (234) for allowing horizontal movement of the inner tube (23) (as shown in FIG. 3 ).
- the touch member (3) is correspondingly inserted into the central through hole (232) of the inner tube (23), the elastic member (22), the screw member (21) and the through hole (111) of the controller (1) for positioning and to compress the elastic member (22) to limit the inner tube (23) within the first chamber (212) of the screw member (21) or release the inner tube (23) for horizontal movement.
- the positioning member (4) is provided with an outer ring gear (41) and a positioning ring (42).
- the outer ring gear (41) is disposed at an external of the screw member (21) and further having a lug (411) for moving on the trench (213) at the first end of the screw member (21), and the positioning ring (42) is further provided with a tooth ring (420) and an inner ring gear (421) for respectively screwing with the screw member (21) and the outer ring gear (41).
- the positioning ring (42) is provided with an engaging tooth part (422) corresponding to an outer edge of the tooth ring (420).
- the position limiting member (5) is screwed at the external of the screw member (21) to be on one side of the positioning ring (42) of the positioning member (4) and provided with a plurality of engaging blocks (51) at its outer edge, a first locking block (52) at its one end for correspondingly engaging with the engaging tooth part (422) of the positioning ring (42), and a second locking block (53) at the other end.
- the outer sleeve tube (6) is provided with an inner tooth ring (600) for correspondingly screwing at the external of the screw member (21), a jointing block (60) at its one end for correspondingly engaging with the second locking block (53) of the position limiting member (5), and a seal cap (61) disposed at the other end or integrally formed with the outer sleeve tube (6).
- An end surface of the seal cap (61) is provided with a second tooth part (611) corresponding to the first tooth part (231) on the end surface of the inner tube (23) for correspondingly engaging with or detaching from the first tooth part (231).
- the curtain tube (7) is assembled to an external of the position limiting member (5) and provided with a recessed slot (71) for correspondingly engaging between the two adjacent engaging blocks (51).
- the outer ring gear (41) of the positioning member (4) is assembled to the screw member (21) before the controller (1) is assembled to the axial rail limiting assembly (2) so that the lug (411) of the outer ring gear (41) is correspondingly engaged with the trench (213) of the screw member (21).
- the controller (1) is precisely assembled to the screw member (21) by correspondingly engaging the axle rod (11) with the axle hole (211) of the screw member (21).
- the outside of the axle rod (11) is provided with the engaging part (112) shaped as a polygonal block, and the axle hole (211) of the screw member (21) is provided with the engaging slot (210) (e.g.
- the elastic member (22) is inserted into the second chamber (233) of the inner tube (23), and then the inner tube (23) is inserted into the first chamber (212) of the screw member (21) so that the elastic member (22) and the inner tube (23) are accommodated in the first chamber (212) of the screw member (21).
- the outer surface of the inner tube (23) is axially provided with the rail (234), and the inner surface of the first chamber (212) is provided with the convex guiding bar (214) corresponding to the rail (234) for allowing horizontal movement of the inner tube (23) (as shown in FIG. 3 ).
- the touch member (3) is correspondingly inserted into the central through hole (232) of the inner tube (23), the elastic member (22), the axle hole (211) of the screw member (21) and the through hole (111) in the controller (1) for positioning and for compressing the elastic member (22) to limit the inner tube (23) within the first chamber (212) of the screw member (21).
- the touch member (3) is a rope, a rod and the like and can be positioned by knotting a rope, clamping a buckle on a rope, or clamping a fastener (e.g. a C type buckle and the like) on a rod body (as shown in FIG. 4 and FIG. 7 ).
- the external of the screw member (21) is screwed to the positioning ring (42), the position limiting member (5) and the outer sleeve tube (6).
- the other end of the outer sleeve tube (6) is integrally formed with the seal cap (61) or provided with the seal cap (61).
- a plurality of grooves (612) are provided at an outer edge of the seal cap (61), and a plurality of convex portions (601) are also provided for correspondingly engaging with the plurality of grooves (612).
- the outer sleeve tube (6) is further provided with a plurality of hooks (613) on the end surface of the seal cap (61) and a plurality of locking slots (602) for correspondingly engaging with the plurality of hooks (613), so the seal cap (61) is firmly assembled at one end of the outer sleeve tube (6).
- the jointing block (60) on the outer sleeve tube (6) is correspondingly interlocked with the second locking block (53) of the position limiting member (5) for move
- the first locking block (52) of the position limiting member (5) is correspondingly interlocked with the engaging tooth part (422) of the positioning ring (42) for move.
- the positioning ring (42) is screwed into the screw member (21) in the direction of the outer ring gear (41). Then, the positioning ring (42) is engaged with the first locking block (52) of the position limiting member (5) by the engaging tooth part (422), and the second locking block (53) of the position limiting member (5) is engaged with the jointing block (60) of the outer sleeve tube (6) so that the position limiting member (5) and the outer sleeve tube (6) are rotated simultaneously when the positioning ring (42) is screwed in (as shown in FIG. 5 ).
- the curtain fabric on the curtain tube (7) is correspondingly assembled to the outside of the position limiting member (5) in an unfolded state.
- the position limiting member (5) can be slightly turned to allow the two adjacent engaging blocks (51) of the position limiting member (5) to correspondingly engage with two sides of the recessed slot (71) for positioning.
- the outer sleeve tube (6) together with the positioning ring (42) are driven to turn simultaneously.
- the outer ring gear (41) is pushed and can be correspondingly moved along the trench (213) of the screw member (21) by the lug (411) and to the inner ring gear (421) of the positioning ring (42) for engagement.
- the positioning ring (42) is locked in a fixed position where is also the end position of the curtain tube (7) driving the position limiting member (5) to rotate and controlling the curtain fabric to extend (as shown in FIG. 5 to FIG. 7 ).
- the curtain fabric starts to be wound and the position limiting member (5) is rotated in an opposite direction. Meanwhile, the position limiting member (5) only drives the outer sleeve tube (6) to rotate, but not drives the positioning ring (42) (which is locked) to rotate.
- the touch member (3) is released.
- the touch member (3) is a rope, a rod and the like and can be positioned by knotting a rope, clamping a buckle on a rope, or clamping a fastener (e.g. a C type buckle and the like) on a rod body (as shown in FIG. 4 and FIG.
- the knot can be cut off, or the buckle and the fastener can be disassembled.
- the elastic member (22) in the second chamber (233) of the inner tube (23) is no longer compressed and restores its elastic force to push the inner tube (23) out of the screw member (21) of the first chamber (212), allowing the first tooth part (231) on the end surface of the inner tube (23) to correspondingly engage with the second tooth part (611) of the seal cap (61) of the outer sleeve tube (6).
- the outer sleeve tube (6) is then locked in a fixed position where is also the start position of the curtain tube (7) driving the position limiting member (5) to rotate and controlling the curtain fabric to shrink.
- the locking structure of the inner tube (23) and the outer sleeve tube (6) are not limited to the first tooth part (231) and the second tooth part (611) as described above. Any locking structures, e.g. a concave portion, a convex portion, and the like, are also possible to form on the inner tube (23) and the outer sleeve tube (6) for allowing corresponding engagement with each other.
- a perforation (614) is further provided on the seal cap (61) for corresponding to the central through hole (232) on the first tooth part (231) of the inner tube (23), and a pushing bar (9) is further provided for correspondingly inserting from the perforation (614) to the inner tube (23) so as to push against the end surface of the inner tube (23) and to disengage the first tooth part (231) from the second tooth part (611).
- the outer sleeve tube (6) is rotated to adjust the position of the curtain fabric.
- the pushing bar (9) is withdrawn, and the first tooth part (231) and the second tooth part (611) are engaged with each other again for positioning so as to achieve the adjustment of the start position.
- the fast positioning structure of a safe position limiting device of a roller blind is assembled to a side frame (8) of a fixed roller blind.
- the side frame (8) is provided with a cross hole (81), and the controller (1) is further provided with a cross rib (13) for correspondingly engaging with the cross hole (81).
- a flexible member (12) is provided in the controller (1), which can be compressed or stretched to solve the problem of the spacing difference and to make the entire roller blind firmly fixed in the side frame (8).
- a fast positioning structure of a safe position limiting device of a roller blind according to the present invention has the advantages as following:
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Description
- The present invention relates to a fast positioning structure of a safe position limiting device of a roller blind which can be rapidly assembled and limit the vertically extending and shrinking position of a curtain fabric.
- Generally, a curtain is assembled according to the length of its curtain fabric to adjust an assembling position of a travel path of a controller.
-
Document EP 3 309 347 A1 relates to an adjustable internal double limit stop for roller shades and, more specifically, teaches a travel limit assembly for adjusting and limiting the amount of extension and retraction that a roller tube and covering can undergo in operation. - From document
WO 2014/142790 A1 a covering for an architectural opening is known that includes a rotatable roller and an assembly positioned at least partially within the roller, wherein the assembly supports an end of the roller and can be connected with an end of a head rail, wherein the assembly may further store potential energy and release that energy in the form of kinetic energy at a specific shade position during extension of the shade, so that the kinetic energy rotates the roller in a specific direction to effect full extension of the shade. - Furthermore, a Taiwan Patent No.
TWM454156 (U), issued on 1st Jun. 2013 - Therefore, in view of the above-mentioned problems, the aspect of the present invention is to provide a fast positioning structure of a safe position limiting device of a roller blind which can be rapidly assembled and limit the vertically extending and shrinking position of a curtain fabric.
- Disclosed herein is a fast positioning structure of a safe position limiting device of a roller blind. It mainly comprises a controller having an axle rod, an axial rail limiting assembly disposed at one end of the axle rod and having a screw member, an elastic member in the screw member, and an inner tube, a touch member for positioning the inner tube within the screw member, and a positioning member, a position limiting member and an outer sleeve tube screwing at an external of the screw member. The inner tube is further provided with a first tooth part on its end surface. The outer sleeve tube is provided with a seal cap at its one end, and the seal cap is further provided with a second tooth part corresponding to the first tooth part of the inner tube.
- Accordingly, the outer ring gear of the positioning member can be engaged with the positioning ring for positioning when the curtain is opened, and the first tooth part of the inner tube can be engaged with the second tooth part for positioning by releasing the touch member when a curtain tube is rotated to a closed position so as to achieve the efficiency of automatic assembly and fast positioning without screws.
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FIG. 1 is an explosion diagram showing a fast positioning structure of a safe position limiting device of a roller blind according to the present invention; -
FIG. 2 is a schematic diagram showing an axle rod of a controller and an axial rail limiting assembly according to the present invention; -
FIG. 3 is a partial explosion diagram showing an outer sleeve tube according to the present invention; -
FIG. 4 is a stereogram showing a fast positioning structure of a safe position limiting device of a roller blind in assembly according to the present invention; -
FIG. 5 is a first schematic diagram showing an outer ring gear moving on a screw member and toward a positioning ring for controlling a vertical extension of a curtain according to the present invention; -
FIG. 6 is a second schematic diagram showing an outer ring gear engaged with an inner ring gear of a positioning ring for positioning and controlling a vertical extension of a curtain according to the present invention; -
FIG. 7 is a cross-sectional view showing a fast positioning structure of a safe position limiting device of a roller blind in an extension state according to the present invention; -
FIG. 8 is a first cross-sectional view showing a fast positioning structure of a safe position limiting device of a roller blind in a winding state before releasing a touch member according to the present invention; -
FIG. 9 is a second cross-sectional view showing a fast positioning structure of a safe position limiting device of a roller blind in a winding state and releasing a touch member according to the present invention; -
FIG. 10 is a third cross-sectional view showing a fast positioning structure of a safe position limiting device of a roller blind in a winding state after releasing a touch member according to the present invention; -
FIG. 11 is a cross-sectional view showing a curtain vertically extended according to the present invention; -
FIG. 12 is a cross-sectional view showing a curtain in adjustment according to the present invention. - Hereinafter, an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.
- Referring to
FIG. 1 to FIG. 4 , a fast positioning structure of a safe position limiting device of a roller blind of the present invention is disclosed herein. It mainly comprises a controller (1), an axial rail limiting assembly (2), a touch member (3), a positioning member (4), a position limiting member (5), an outer sleeve tube (6), and a curtain tube (7). - The controller (1) is provided with an axle rod (11), and the axle rod (11) is further provided with a through hole (111) and an engaging part (112) on its outside.
- The axial rail limiting assembly (2) is provided with a screw member (21), an elastic member (22), and an inner tube (23). The screw member (21) is provided with an axle hole (211) on its first end surface for engaging with the axle rod (11) for positioning, a first chamber (212) in its second end surface for allowing corresponding insertion of the inner tube (23) and horizontal movement of the inner tube (23) in the first chamber (212), an engaging slot (210) for correspondingly engaging with the engaging part (112) and communicating with the first chamber (212), and a trench (213) at the first end of the screw member (21). The inner tube (23) is provided with a first tooth part (231) on its end surface, a central through hole (232), and a second chamber (233) therein for communicating with the central through hole (232) and accommodating the elastic member (22). The inner tube (23) is correspondingly inserted into the first chamber (212) of the screw member (21) for horizontal movement. Furthermore, an outer surface of the inner tube (23) is axially provided with a rail (234), and an inner surface of the first chamber (212) is provided with a convex guiding bar (214) corresponding to the rail (234) for allowing horizontal movement of the inner tube (23) (as shown in
FIG. 3 ). - The touch member (3) is correspondingly inserted into the central through hole (232) of the inner tube (23), the elastic member (22), the screw member (21) and the through hole (111) of the controller (1) for positioning and to compress the elastic member (22) to limit the inner tube (23) within the first chamber (212) of the screw member (21) or release the inner tube (23) for horizontal movement.
- The positioning member (4) is provided with an outer ring gear (41) and a positioning ring (42). The outer ring gear (41) is disposed at an external of the screw member (21) and further having a lug (411) for moving on the trench (213) at the first end of the screw member (21), and the positioning ring (42) is further provided with a tooth ring (420) and an inner ring gear (421) for respectively screwing with the screw member (21) and the outer ring gear (41). Moreover, the positioning ring (42) is provided with an engaging tooth part (422) corresponding to an outer edge of the tooth ring (420).
- The position limiting member (5) is screwed at the external of the screw member (21) to be on one side of the positioning ring (42) of the positioning member (4) and provided with a plurality of engaging blocks (51) at its outer edge, a first locking block (52) at its one end for correspondingly engaging with the engaging tooth part (422) of the positioning ring (42), and a second locking block (53) at the other end.
- The outer sleeve tube (6) is provided with an inner tooth ring (600) for correspondingly screwing at the external of the screw member (21), a jointing block (60) at its one end for correspondingly engaging with the second locking block (53) of the position limiting member (5), and a seal cap (61) disposed at the other end or integrally formed with the outer sleeve tube (6). An end surface of the seal cap (61) is provided with a second tooth part (611) corresponding to the first tooth part (231) on the end surface of the inner tube (23) for correspondingly engaging with or detaching from the first tooth part (231).
- The curtain tube (7) is assembled to an external of the position limiting member (5) and provided with a recessed slot (71) for correspondingly engaging between the two adjacent engaging blocks (51).
- Referring to
FIG. 1 to FIG. 11 , in practical assembly of the present invention, the outer ring gear (41) of the positioning member (4) is assembled to the screw member (21) before the controller (1) is assembled to the axial rail limiting assembly (2) so that the lug (411) of the outer ring gear (41) is correspondingly engaged with the trench (213) of the screw member (21). Then, the controller (1) is precisely assembled to the screw member (21) by correspondingly engaging the axle rod (11) with the axle hole (211) of the screw member (21). The outside of the axle rod (11) is provided with the engaging part (112) shaped as a polygonal block, and the axle hole (211) of the screw member (21) is provided with the engaging slot (210) (e.g. a polygonal slot) for correspondingly engaging with the engaging part (112) and communicating with the first chamber (212) (as shown inFIG. 2 ). The elastic member (22) is inserted into the second chamber (233) of the inner tube (23), and then the inner tube (23) is inserted into the first chamber (212) of the screw member (21) so that the elastic member (22) and the inner tube (23) are accommodated in the first chamber (212) of the screw member (21). The outer surface of the inner tube (23) is axially provided with the rail (234), and the inner surface of the first chamber (212) is provided with the convex guiding bar (214) corresponding to the rail (234) for allowing horizontal movement of the inner tube (23) (as shown inFIG. 3 ). Meanwhile, the touch member (3) is correspondingly inserted into the central through hole (232) of the inner tube (23), the elastic member (22), the axle hole (211) of the screw member (21) and the through hole (111) in the controller (1) for positioning and for compressing the elastic member (22) to limit the inner tube (23) within the first chamber (212) of the screw member (21). Preferably, the touch member (3) is a rope, a rod and the like and can be positioned by knotting a rope, clamping a buckle on a rope, or clamping a fastener (e.g. a C type buckle and the like) on a rod body (as shown inFIG. 4 andFIG. 7 ). - The external of the screw member (21) is screwed to the positioning ring (42), the position limiting member (5) and the outer sleeve tube (6). The other end of the outer sleeve tube (6) is integrally formed with the seal cap (61) or provided with the seal cap (61). In order to ensure that the seal cap (61) is fixed and does not rotate, a plurality of grooves (612) are provided at an outer edge of the seal cap (61), and a plurality of convex portions (601) are also provided for correspondingly engaging with the plurality of grooves (612). The outer sleeve tube (6) is further provided with a plurality of hooks (613) on the end surface of the seal cap (61) and a plurality of locking slots (602) for correspondingly engaging with the plurality of hooks (613), so the seal cap (61) is firmly assembled at one end of the outer sleeve tube (6). As shown in
FIG. 4 , the jointing block (60) on the outer sleeve tube (6) is correspondingly interlocked with the second locking block (53) of the position limiting member (5) for move, and the first locking block (52) of the position limiting member (5) is correspondingly interlocked with the engaging tooth part (422) of the positioning ring (42) for move. - Referring to
FIG. 5 to FIG. 11 , to assemble the present structure for adjusting the vertically extending and shrinking position of a curtain fabric, the positioning ring (42) is screwed into the screw member (21) in the direction of the outer ring gear (41). Then, the positioning ring (42) is engaged with the first locking block (52) of the position limiting member (5) by the engaging tooth part (422), and the second locking block (53) of the position limiting member (5) is engaged with the jointing block (60) of the outer sleeve tube (6) so that the position limiting member (5) and the outer sleeve tube (6) are rotated simultaneously when the positioning ring (42) is screwed in (as shown inFIG. 5 ). After the above elements are screwed in and close to the outer ring gear (41), the curtain fabric on the curtain tube (7) is correspondingly assembled to the outside of the position limiting member (5) in an unfolded state. At the same time, if a space between the two adjacent engaging blocks (51) is not corresponding to allow insertion of the recessed slot (71) of the curtain tube (7), the position limiting member (5) can be slightly turned to allow the two adjacent engaging blocks (51) of the position limiting member (5) to correspondingly engage with two sides of the recessed slot (71) for positioning. Furthermore, when the position limiting member (5) is turned slightly, the outer sleeve tube (6) together with the positioning ring (42) are driven to turn simultaneously. In such a case, after the curtain tube (7) with vertically extended curtain fabric is assembled to the position limiting member (5), the outer ring gear (41) is pushed and can be correspondingly moved along the trench (213) of the screw member (21) by the lug (411) and to the inner ring gear (421) of the positioning ring (42) for engagement. After the outer ring gear (41) is engaged with the inner ring gear (421) of the positioning ring (42), the positioning ring (42) is locked in a fixed position where is also the end position of the curtain tube (7) driving the position limiting member (5) to rotate and controlling the curtain fabric to extend (as shown inFIG. 5 to FIG. 7 ). - Referring to
FIG. 8 to FIG. 11 , after the setting of the extending position of the curtain fabric is completed, the curtain fabric starts to be wound and the position limiting member (5) is rotated in an opposite direction. Meanwhile, the position limiting member (5) only drives the outer sleeve tube (6) to rotate, but not drives the positioning ring (42) (which is locked) to rotate. When the curtain fabric is wound to an appropriate position, the touch member (3) is released. As the embodiment described above, the touch member (3) is a rope, a rod and the like and can be positioned by knotting a rope, clamping a buckle on a rope, or clamping a fastener (e.g. a C type buckle and the like) on a rod body (as shown inFIG. 4 andFIG. 7 ). To release the touch member (3), the knot can be cut off, or the buckle and the fastener can be disassembled. In such a case, the elastic member (22) in the second chamber (233) of the inner tube (23) is no longer compressed and restores its elastic force to push the inner tube (23) out of the screw member (21) of the first chamber (212), allowing the first tooth part (231) on the end surface of the inner tube (23) to correspondingly engage with the second tooth part (611) of the seal cap (61) of the outer sleeve tube (6). The outer sleeve tube (6) is then locked in a fixed position where is also the start position of the curtain tube (7) driving the position limiting member (5) to rotate and controlling the curtain fabric to shrink. The locking structure of the inner tube (23) and the outer sleeve tube (6) are not limited to the first tooth part (231) and the second tooth part (611) as described above. Any locking structures, e.g. a concave portion, a convex portion, and the like, are also possible to form on the inner tube (23) and the outer sleeve tube (6) for allowing corresponding engagement with each other. - Additionally, after the setting of the shrinking position of the curtain fabric is completed, some factors may cause slight deviations in the set position, e.g. reassembly of a bead chain plate. In such a case, a perforation (614) is further provided on the seal cap (61) for corresponding to the central through hole (232) on the first tooth part (231) of the inner tube (23), and a pushing bar (9) is further provided for correspondingly inserting from the perforation (614) to the inner tube (23) so as to push against the end surface of the inner tube (23) and to disengage the first tooth part (231) from the second tooth part (611). Meanwhile, the outer sleeve tube (6) is rotated to adjust the position of the curtain fabric. After the position of the curtain fabric is adjusted, the pushing bar (9) is withdrawn, and the first tooth part (231) and the second tooth part (611) are engaged with each other again for positioning so as to achieve the adjustment of the start position.
- As shown in
FIG. 1 , after the setting of the extending position and the shrinking position is completed, the fast positioning structure of a safe position limiting device of a roller blind is assembled to a side frame (8) of a fixed roller blind. The side frame (8) is provided with a cross hole (81), and the controller (1) is further provided with a cross rib (13) for correspondingly engaging with the cross hole (81). Moreover, due to the slight difference in spacing between the side frame (8) and the entire roller blind, a flexible member (12) is provided in the controller (1), which can be compressed or stretched to solve the problem of the spacing difference and to make the entire roller blind firmly fixed in the side frame (8). - According to the above description, in comparison with the traditional technique, a fast positioning structure of a safe position limiting device of a roller blind according to the present invention has the advantages as following:
- 1. The present invention achieves effects of easily and rapidly limiting the vertically extending and shrinking position of the curtain fabric by pushing the outer ring gear of the positioning member to move and engage in the inner ring gear of the positioning ring without the use of screws.
- 2. The mechanism of releasing the touch member allows the elastic member to push the inner tube into engagement with the second tooth part of the outer sleeve tube, so the curtain fabric of the roller blind can be wound directly to the highest point to set the assembly position. Accordingly, the present invention achieves effects of rapidly positioning, saving manpower, and solving the problem of the traditional structure that needs manually assemble and disassemble the positioning member to adjust the extending and shrinking position of the curtain fabric.
Claims (9)
- A fast positioning structure of a safe position limiting device of a roller blind, comprising:a controller (1) having an axle rod (11), wherein the axle rod (11) is further provided with a through hole (111);an axial rail limiting assembly (2) having a screw member (21), an elastic member (22), and an inner tube (23), wherein the screw member (21) is provided with an axle hole (211) on a first end surface thereof for engaging with the axle rod (11) for positioning, and a first chamber (212) in a second end surface thereof for allowing corresponding insertion of the inner tube (23) and horizontal movement of the inner tube (23) therein, and wherein the inner tube (23) is provided with a central through hole (232) on an end surface thereof and a second chamber (233) therein for communicating with the central through hole (232) and accommodating the elastic member (22);a touch member (3) for correspondingly inserting into the central through hole (232) of the inner tube (23), the elastic member (22), the screw member (21) and the through hole (111) in the controller (1) for positioning and for compressing the elastic member (22) to limit the inner tube (23) within the first chamber (212) of the screw member (21) or release the inner tube (23) for horizontal movement;a positioning member (4);characterized in that said fast positioning structure further comprisesa position limiting member (5) screwed at the external of the screw member (21) and having a plurality of engaging blocks (51) at an outer edge thereof for correspondingly engaging with a curtain tube (7) disposed with a curtain fabric, wherein the position limiting member (5) further defines a second locking block (53) at one end thereof; andan outer sleeve tube (6) having an inner tooth ring (600) for correspondingly screwing at the external of the screw member (21), the outer sleeve tube (6) further defining a jointing block (60) at one end thereof configured for correspondingly engaging with the second locking block (53) of the position limiting member (5),the outer sleeve tube (6) further including a seal cap (61) at the other end thereof, wherein an end surface of the seal cap (61) is provided with a first locking structure correspronding to a second locking structure on the end surface of the inner tube (23) for correspondingly locking the inner tube (23) in the outer sleeve tube (6) or separating the inner tube (23) from the outer sleeve tube (6), wherebythe positioning member (4) is screwed at an external of the screw member (21), is disposed at one side of the positioning limiting member (5) and has an outer ring gear (41) disposed at the external of the screw member (21) and further having a lug (411) for moving on a trench (213) at the first end of the screw member (21), and a positioning ring (42) further having a tooth ring (420) for screwing with the screw member (21), an inner ring gear (421) for screwing with the outer ring gear (41); and an engaging tooth part (422) corresponding to an outer edge of the tooth ring (420) for engaging with a first locking block (52) of the position limiting member (5).
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 1, wherein the first and second locking structures comprise
a first tooth part (231) on the end surface of the inner tube (23) and a second tooth part (611) on the end surface of the seal cap (61) for correspondingly engaging with or detaching from the first tooth part (231). - The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 1, wherein an outer edge of the seal cap (61) is provided with a plurality of grooves (612), and the outer sleeve tube (6) is provided with a plurality of convex portions (601) for correspondingly engaging with the plurality of grooves (612).
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 2, wherein the outer sleeve tube (6) is further provided with a plurality of locking slots (602) and a plurality of hooks (613) on the end surface of the seal cap (61) for hooking on the plurality of locking slots (602) for positioning.
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 2, wherein the end surface of the seal cap (61) is provided with a perforation (614) corresponding to the central through hole (232) on the end surface of the inner tube (23) for allowing insertion of a pushing bar (9) from the perforation (614) to the inner tube (23) to push against the end surface of the inner tube (23) and disengage the first tooth part (231) from the second tooth part (611).
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 5, wherein an outer surface of the inner tube (23) is axially provided with a rail (234), and wherein an inner surface of the first chamber (212) is provided with a convex guiding bar (214) corresponding to the rail (234) for allowing horizontal movement of the inner tube (23).
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 1, wherein an outside of the axle rod (11) of the controller (1) is provided with an engaging part (112) shaped as a polygonal block, and wherein the axle hole (211) of the screw member (21) is provided with an engaging slot (210) for correspondingly engaging with the engaging part (112) and communicating with the first chamber (212).
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 7, wherein the controller (1) is provided with a flexible member (12) therein.
- The fast positioning structure of a safe position limiting device of a roller blind as claimed in claim 8, wherein the controller (1) is further provided with a cross rib (13) for correspondingly engaging with a cross hole (81) of a side frame (8).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18178371.3A EP3584401B1 (en) | 2018-06-18 | 2018-06-18 | Fast positioning structure of safe position limiting device of roller blind |
PL18178371.3T PL3584401T3 (en) | 2018-06-18 | 2018-06-18 | Fast positioning structure of safe position limiting device of roller blind |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18178371.3A EP3584401B1 (en) | 2018-06-18 | 2018-06-18 | Fast positioning structure of safe position limiting device of roller blind |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3584401A1 EP3584401A1 (en) | 2019-12-25 |
EP3584401B1 true EP3584401B1 (en) | 2022-09-14 |
Family
ID=62705530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18178371.3A Active EP3584401B1 (en) | 2018-06-18 | 2018-06-18 | Fast positioning structure of safe position limiting device of roller blind |
Country Status (2)
Country | Link |
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EP (1) | EP3584401B1 (en) |
PL (1) | PL3584401T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN215974326U (en) * | 2021-06-25 | 2022-03-08 | 东莞市雷富溢窗饰科技有限公司 | Curtain winding device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM454156U (en) | 2013-01-21 | 2013-06-01 | Guo-Cai Lin | Improved blind rod positioning structure |
KR102084821B1 (en) * | 2013-03-11 | 2020-03-04 | 헌터더글라스인코포레이티드 | Covering for an architectural opening |
CA2981892A1 (en) * | 2016-10-14 | 2018-04-14 | Hunter Douglas, Inc. | Adjustable internal double limit stop for roller shades |
-
2018
- 2018-06-18 EP EP18178371.3A patent/EP3584401B1/en active Active
- 2018-06-18 PL PL18178371.3T patent/PL3584401T3/en unknown
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EP3584401A1 (en) | 2019-12-25 |
PL3584401T3 (en) | 2023-02-06 |
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