CN110469257B - Multi-section resistance regulator for non-exposed pull-rope type curtain - Google Patents
Multi-section resistance regulator for non-exposed pull-rope type curtain Download PDFInfo
- Publication number
- CN110469257B CN110469257B CN201810442240.5A CN201810442240A CN110469257B CN 110469257 B CN110469257 B CN 110469257B CN 201810442240 A CN201810442240 A CN 201810442240A CN 110469257 B CN110469257 B CN 110469257B
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- control pin
- base
- positioning
- top plate
- groove
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000002093 peripheral effect Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
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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
- E06B9/24—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
- E06B9/26—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
- E06B2009/3222—Cordless, i.e. user interface without cords
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention provides a multi-stage resistance adjusting device for a non-exposed pull rope type curtain, which comprises a base, an adjusting assembly and an elastic piece, wherein the base is provided with a bottom groove and a plurality of positioning grooves arranged around the bottom groove, the adjusting assembly is provided with a control pin, the control pin is provided with a transmission part and a positioning part, the transmission part is rotatably arranged on the base in a vertical displacement mode, the positioning part is arranged on the peripheral surface of the transmission part and connected with an adjusting rod, when the positioning part of the control pin is clamped in one of the positioning grooves of the base, the control pin cannot rotate relative to the base, the resistance of a lifting transmission rope cannot be adjusted at the moment, when the positioning part of the control pin is separated from the originally clamped positioning groove due to the upward movement of the control pin, the control pin can rotate relative to the base, and at the moment, the resistance of the lifting transmission rope can be adjusted through the adjusting.
Description
Technical Field
The present invention relates to a curtain without exposed pull rope, and more particularly to a multi-stage resistance adjustment device for a curtain without exposed pull rope.
Background
In general, when the lower beam is pulled down, the lifting transmission rope arranged on the blade is stretched outwards by the lower beam and gradually separated from the rope winder until the blade is completely unfolded; on the contrary, when the lower beam is pushed upwards, the weight of the lower beam and all the blades can be offset by the upper pushing force applied to the lower beam, so that the lifting transmission rope can be smoothly wound by the rope winder, and the blades can be smoothly wound upwards. However, no matter the lower beam is pulled down or pushed up under the stress, once the external force applied to the lower beam is removed, the blades can be stopped at any height at any time by providing appropriate resistance to the lifting transmission rope through a resistance device arranged on the rope winder, and the blades cannot easily fall or be folded after the external force is removed.
In order to meet different requirements, it is sometimes necessary to further adjust the resistance provided by the resistance device to the lifting transmission rope, but in the prior art, the user must disassemble the entire rope winder to adjust the resistance device, and reassemble the rope winder after adjusting to the positioning, which is inconvenient in operation and may affect the assembly accuracy of the internal components after the rope winder is disassembled and assembled for many times.
Disclosure of Invention
The invention provides a multi-stage resistance adjusting device for a rope-pulling type curtain without exposed parts, which can be adjusted without structural disassembly and assembly so as to increase the convenience in use and ensure good assembly precision.
In order to achieve the above object, the multi-stage resistance adjustment device of the present invention comprises a base, an adjustment assembly, and an elastic member. The base is provided with a top plate and a bottom plate, the top plate and the bottom plate are mutually butted up and down, the top plate is provided with a top hole penetrating through the two surfaces of the top plate and the bottom plate, the top surface of the bottom plate is provided with a bottom groove and a fixed shaft, the fixed shaft corresponds to the top hole of the top plate, the top end of the fixed shaft is positioned outside the bottom groove, the bottom end of the fixed shaft is positioned in the bottom groove, in addition, the bottom plate is further provided with a plurality of positioning grooves, and the positioning grooves are arranged on the peripheral wall of the bottom groove and are in arc-shaped interval arrangement by taking the fixed shaft. The adjusting component is provided with a control pin and an adjusting rod, wherein: the control pin is provided with an operation part, a transmission part and a positioning part, the operation part protrudes out of the top plate of the base through the top hole, the transmission part is connected to the bottom end of the operation part and is rotatably sleeved on the fixed shaft of the bottom plate of the base in a vertically-displaceable manner, the positioning part is convexly arranged on the outer peripheral surface of the transmission part, the axial direction of the adjusting rod is parallel to the axial direction of the fixed shaft of the base and is used for supporting a lifting transmission rope, and the adjusting rod is arranged on the positioning part of the control pin, so that the adjusting rod can synchronously act along with the control pin.
Therefore, when the control pin is located at a positioning position, the positioning portion of the control pin is located in the bottom groove of the base and is clamped in one positioning groove of the base, the control pin cannot rotate relative to the base, the resistance of the lifting transmission rope cannot be adjusted at the moment, when the control pin moves to an adjusting position, the positioning portion of the control pin is located above the bottom groove of the base and is separated from the positioning groove which is clamped originally, the control pin can rotate relative to the base, the routing mode of the lifting transmission rope can be changed by the adjusting rod at the moment, and the effect of adjusting the resistance is achieved.
Therefore, the multi-section resistance adjusting device can adjust the resistance of the lifting transmission rope as long as the control pin is forced to move to the adjusting position, and the whole process does not need to be structurally disassembled and assembled, so that the effects of improving the use convenience and keeping good assembling precision are achieved.
Drawings
Fig. 1 is an external perspective view of a rope winder to which the multi-stage resistance adjustment device of the present invention is applied.
Fig. 2 is an exploded perspective view of the multi-stage resistance adjustment device of the present invention.
Fig. 3 is a longitudinal cross-sectional view of the multi-stage resistance adjustment device of the present invention, primarily showing the control pin in a detent position.
Fig. 4 is similar to fig. 3 and shows primarily the control pin in the adjustment position.
Fig. 5a to 5d are top views of the multi-stage resistance adjustment device of the present invention, which mainly show that the indicator of the operation portion of the control pin corresponds to one of the gear marks of the top plate of the base.
Fig. 6a to 6d are transverse cross-sectional views of the multi-stage resistance adjustment device of the present invention, mainly showing that the positioning portion of the control pin is engaged with one of the positioning slots of the bottom plate of the base.
[ description of reference ]
10 multi-section resistance adjusting device 12 rope winder
14 lifting transmission rope 20 base
21 top plate 212 top hole
214 gear position mark 216 top groove
218 upper side column 23 bottom plate
232 bottom groove 234 lower side column
236 fixed shaft 238 locating slot
30 adjustment assembly 40 control pin
41 operating part 42 transmission part
43 set of holes 44 containing groove
45 supporting part of positioning part 46
47 denotes 48 adjustment lever
P1 locating position P2 adjusting position
50 elastic member
Detailed Description
Referring to fig. 1, the rope winder 12 shown in the figure is a prior art and is not the focus of the present application, and detailed structure and operation principle thereof will not be described herein, and the multi-stage resistance adjustment device 10 of the present invention is configured into two sets according to the number of the lifting transmission ropes 14. Referring to fig. 2, the multi-stage resistance adjustment device 10 of the present invention includes a base 20, an adjustment assembly 30, and an elastic member 50.
The base 20 has a top plate 21 and a bottom plate 23, as shown in fig. 2, the top plate 21 has a top hole 212 penetrating through the top and bottom surfaces at the center, the top surface of the top plate 21 has four position indicators 214 using arabic numerals around the top hole 212, the bottom surface of the top plate 21 has a top groove 216 (as shown in fig. 3) communicating with the top hole 212 and four upper side posts 218 surrounding the top groove 216; the top surface of the bottom plate 23 has a bottom groove 232 and four lower pillars 234 surrounding the bottom groove 232, the top plate 21 and the bottom plate 23 are assembled together through the upper and lower pillars 218, 234 facing each other up and down (as shown in fig. 1), the center of the bottom plate 23 has a fixing shaft 236 with a circular cross section, the fixing shaft 236 corresponds to the top hole 212 of the top plate 21, the top end of the fixing shaft 236 is located outside the bottom groove, the bottom end of the fixing shaft 236 is located in the bottom groove 232, in addition, as shown in fig. 2 and 6a, the bottom plate 23 further has four positioning grooves 238, the positioning grooves 238 are arranged on the peripheral wall of the bottom groove 232 and are arranged in an arc shape with equal intervals by taking the axis of the fixing.
The adjusting assembly 30 has a control pin 40, the control pin 40 has an operating portion 41, a transmission portion 42, a positioning portion 45 and a supporting portion 46, wherein: the operation portion 41 protrudes from the top plate 21 of the base 20 through the top hole 212 of the base 20 for being pulled by a user; the transmission portion 42 is integrally connected to the bottom end of the operation portion 41, the bottom end of the transmission portion 42 has a circular cross-section trepanning 43 (as shown in fig. 3), the control pin 40 is sleeved on the fixed shaft 236 of the base 20 by the trepanning 43 of the transmission portion 42, so that the control pin 40 can rotate in place relative to the base 20 on one hand, and can move up and down relative to the base 20 through the space generated by the top and bottom grooves 216, 232 of the base 20 (as shown in fig. 3 and 4) on the other hand; the positioning portion 45 is integrally connected to the outer peripheral surface of the bottom end of the transmission portion 42; the support portion 46 is integrally connected to the outer peripheral surface of the tip end of the transmission portion 42 and located directly above the positioning portion 45. In addition, the adjusting assembly 30 further has an adjusting rod 48 for supporting the lifting transmission rope 14, as shown in fig. 2 to 4, the axial direction of the adjusting rod 48 is parallel to the axial direction of the fixing shaft 236 of the base 20, and the top and bottom ends of the adjusting rod 48 are respectively connected to the supporting portion 46 of the control pin 40 and the positioning portion 45 of the control pin 40, so that the adjusting rod 48 can move synchronously with the control pin 40.
As can be seen from the above description, when the control pin 40 is located at the positioning position P1 shown in fig. 3, the supporting portion 46 of the control pin 40 is located below the top groove 216 of the top plate 21 of the base 20, the positioning portion 45 of the control pin 40 is located in the bottom groove 232 of the bottom plate 23 of the base 20 and is engaged with one of the positioning grooves 238 of the bottom plate 23 of the base 20, so that the control pin 40 cannot rotate relative to the base 20; conversely, when the control pin 40 is located at an adjusting position P2 as shown in fig. 4, the supporting portion 46 of the control pin 40 is located in the top groove 216 of the top plate 21 of the base 20, and the positioning portion 45 of the control pin 40 is located above the bottom groove 232 of the bottom plate 23 of the base 20, so that the positioning portion 45 of the control pin 40 is separated from the positioning groove 238 that is originally clamped, and the control pin 40 can drive the adjusting lever 48 to rotate together relative to the base 20.
Referring to fig. 3 and 4, the elastic member 50 is disposed between the top plate 21 of the base 20 and the transmission portion 42 of the control pin 40 for providing an elastic force to maintain the control pin 40 at the positioning position P1 shown in fig. 3. More specifically, the transmission portion 42 of the control pin 40 further has a receiving slot 44 for receiving the elastic element 50, the elastic element 50 is sleeved on the transmission portion 42 of the control pin 40, the top end of the elastic element 50 is located outside the receiving slot 44 and abuts against the bottom surface of the top plate 21 of the base 20, and the bottom end of the elastic element 50 is located in the receiving slot 44 and abuts against the bottom wall of the receiving slot 44.
When adjusting the resistance of the elevator driving rope 14, the operation portion 41 of the control pin 40 pulls the control pin 40 upward from the positioning position P1 shown in fig. 3 to the adjustment position P2 shown in fig. 4, so that the positioning portion 45 of the control pin 40 is separated from the positioning groove 238 of the bottom plate 23 of the base 20, the elastic member 50 is pressed by the wall of the accommodating groove 44 and accumulates a restoring force, and then the control pin 40 can be rotated, and the routing manner of the elevator driving rope 14 is changed by the adjusting rod 48 during the rotation of the control pin 40, as shown in fig. 6a to 6d, thereby achieving the effect of adjusting the resistance. In the process of adjusting the resistance, as shown in fig. 5a to 5d, the user can further control the magnitude of the resistance to be adjusted by matching one indication symbol 47 set on the operation portion 41 of the control pin 40 with the gear indicator 214 of the top plate 21 of the base 20, and the larger the number of the gear indicator 214, the larger the angle of rotation of the adjustment lever 48 driven by the control pin 40, and the larger the resistance received by the lifting transmission rope 14.
After the control pin 40 is adjusted to the proper position, as long as the pulling force on the control pin 40 is released, the control pin 40 can be returned to the positioning position P1 shown in fig. 3 by the restoring force of the elastic member 50, so that the positioning portion 45 of the control pin 40 is located in the bottom groove 232 of the bottom plate 23 of the base 20 and is clamped in one of the positioning grooves 238 (as shown in fig. 6a to 6 d), at this time, the control pin 40 cannot be rotated, the adjusting lever 48 cannot be rotated, and the indicator 47 of the operating portion 41 of the control pin 40 corresponds to one of the shift indicators 214 (as shown in fig. 5a to 5 d), so that the user can clearly know the magnitude of the adjusted resistance.
In summary, the resistance adjustment device 10 of the present invention can adjust the resistance of the lifting transmission rope 14 as long as the control pin 40 is forced to move upward to the adjustment position P2, the whole adjustment process does not need to be structurally disassembled, and the magnitude of the resistance to be adjusted can be precisely controlled by matching the indicator symbol 47 and the gear indicator 214, so as to achieve the effects of increasing the convenience of use and maintaining good assembly precision.
Claims (4)
1. A multi-stage resistance adjustment device for a curtain without exposed pull ropes, comprising:
the base is provided with a top plate and a bottom plate, the top plate and the bottom plate are mutually butted up and down, the top plate is provided with a top hole penetrating through two surfaces of the top plate and the bottom plate, the top surface of the bottom plate is provided with a bottom groove and a fixed shaft, the fixed shaft corresponds to the top hole of the top plate, the top end of the fixed shaft is positioned outside the bottom groove, the bottom end of the fixed shaft is positioned in the bottom groove, the bottom plate is further provided with a plurality of positioning grooves, and the positioning grooves are arranged on the peripheral wall of the bottom groove and are arranged at intervals in an arc shape by taking the fixed shaft as the;
an adjusting component, which is provided with a control pin and an adjusting rod, wherein the control pin is provided with an operating part, a transmission part and a positioning part, the operating part protrudes out of the top plate of the base through the top hole of the top plate of the base, the transmission part is connected with the bottom end of the operating part, the positioning part is arranged on the peripheral surface of the transmission part, the transmission part of the control pin can be rotatably sleeved on the fixed shaft of the bottom plate of the base in a way of moving up and down between a positioning position and an adjusting position, when the control pin is positioned at the positioning position, the positioning part of the control pin is positioned in the bottom groove of the bottom plate of the base and is clamped in one of the positioning grooves of the bottom plate of the base, so that the control pin can not rotate relative to the base, when the control pin is positioned at the adjusting position, the positioning part of the control pin is positioned above the bottom groove of the bottom plate of the base and is separated from the positioning groove of the, the control pin can rotate relative to the base, the axial direction of the adjusting rod is parallel to the axial direction of the fixed shaft of the base, and the adjusting rod is arranged on the positioning part of the control pin, so that the adjusting rod can synchronously act along with the control pin; and
and the elastic piece is arranged between the top plate of the base and the transmission part of the control pin and used for keeping the control pin at the positioning position.
2. The multi-stage resistance adjustment apparatus for a window covering without exposed cord as claimed in claim 1, wherein the top surface of the top plate of the base has a plurality of gear marks surrounding the top hole, the operation portion of the control pin has an indication symbol, and when the control pin is located at the positioning position, the indication symbol corresponds to one of the gear marks.
3. The multi-stage resistance adjustment apparatus for a window curtain without exposed cord as claimed in claim 1, wherein the transmission portion of the control pin has a receiving cavity for receiving the elastic member, the elastic member is sleeved on the transmission portion of the control pin, the top end of the elastic member is located outside the receiving cavity and abuts against the bottom surface of the top plate of the base, and the bottom end of the elastic member is located inside the receiving cavity and abuts against the bottom wall of the receiving cavity.
4. The multi-stage resistance adjustment apparatus for a window covering without exposed cord as claimed in claim 1, wherein the bottom surface of the top plate of the base has a top groove communicating with the top hole, the control pin further has a supporting portion disposed on the outer circumferential surface of the transmission portion of the control pin, the top and bottom ends of the adjustment rod are respectively connected to the supporting portion of the control pin and the positioning portion of the control pin, when the control pin is located at the positioning position, the supporting portion of the control pin is located below the top groove of the top plate of the base, and when the control pin is located at the adjustment position, the supporting portion of the control pin is located in the top groove of the top plate of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442240.5A CN110469257B (en) | 2018-05-10 | 2018-05-10 | Multi-section resistance regulator for non-exposed pull-rope type curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442240.5A CN110469257B (en) | 2018-05-10 | 2018-05-10 | Multi-section resistance regulator for non-exposed pull-rope type curtain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110469257A CN110469257A (en) | 2019-11-19 |
| CN110469257B true CN110469257B (en) | 2020-09-25 |
Family
ID=68503910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442240.5A Active CN110469257B (en) | 2018-05-10 | 2018-05-10 | Multi-section resistance regulator for non-exposed pull-rope type curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469257B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU685182B2 (en) * | 1994-12-09 | 1998-01-15 | Kabushiki Kaisha Nichibei | Raise/lower cord stopper device for use in a blind apparatus |
| CN201038905Y (en) * | 2007-04-30 | 2008-03-19 | 孙宜培 | Shutter curtain motor stroke adjusting machine |
| CN105715194B (en) * | 2014-12-05 | 2017-11-03 | 陈金福 | The curtain detent mechanism of curtain without stretching wire |
| CN205713882U (en) * | 2016-04-19 | 2016-11-23 | 亿丰综合工业股份有限公司 | The spring case of Non-pull-cord type curtain and resistance structure thereof |
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2018
- 2018-05-10 CN CN201810442240.5A patent/CN110469257B/en active Active
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| Publication number | Publication date |
|---|---|
| CN110469257A (en) | 2019-11-19 |
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Effective date of registration: 20210705 Address after: 31119 Furong street, 802 Sai Wan Road, Cayman Islands Patentee after: British Caymans Business Association Address before: 209 Dafu street, Nantun District, Taichung, Taiwan, China Patentee before: Chen Baiyu |