A fixed take-up device combining two pieces
By designing detachable components and a ratchet linkage structure, the problem of cumbersome disassembly and assembly of traditional rope winding and unwinding devices is solved, achieving rapid assembly, stable rope winding, and wide applicability, suitable for various rope and line storage.
Patent Information
- Application Number
- CN202511617724.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-06
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2045-11-06
AI Technical Summary
The base of traditional cord reeling devices is a single unit, which makes disassembly and replacement of internal components cumbersome, limiting the product's efficiency and applicability, especially for users with limited mobility, such as the elderly and children.
Design a two-piece fixed take-up device. The base is connected by detachable first and second components through magnetic attraction, snap-fit and post hole structure. The connecting sleeve and the base, the rotating cover and the ratchet wheel adopt tool-free matching structure such as the card block-slot and the positioning block-positioning hole. The winding mechanism and the ratchet wheel adopt ratchet linkage design.
It enables quick assembly and disassembly, making it easy to carry and store. Its sturdy structure prevents the cords from coming loose, making it suitable for various cord storage needs and enhancing the user experience and applicability.
Smart Images

Figure CN121063339B_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the technical field of take-up devices, specifically relating to a fixed take-up device that combines two components. Background Technology
[0002] To make some household items suitable for different users, many household items are designed with drawstrings, such as sneakers, hats, sweatshirts, and gloves. The tightness of the item can be adjusted by tying a knot in the drawstring. However, in daily life, the knotted drawstring is sometimes easy to loosen and come undone. For example, shoelaces can easily become dirty or cause tripping. In particular, very young children cannot tie the drawstring themselves, and the elderly are also very inconvenient to bend over to tie the drawstring due to their physical weakness, which can easily lead to danger.
[0003] Therefore, a rope winding and unwinding device has emerged on the market, which can be used to wind up and unwind ropes. The rope can be tightened by rotating the knob. However, the base of most traditional rope winding and unwinding devices is a one-piece structure. When it is necessary to disassemble or replace internal parts, the operation steps are cumbersome and inefficient, which greatly limits the use of such products. Summary of the Invention
[0004] This invention discloses a two-piece fixed take-up device, which mainly solves the problems of current traditional take-up devices.
[0005] To achieve the aforementioned objective, the present invention provides a two-component fixed take-up device, comprising a base: the base is formed by two detachable and assembleable components, the components including a first component and a second component, the first component and the second component being detachably connected by a connecting structure;
[0006] Connecting sleeve: A winding mechanism is rotatably provided inside the connecting sleeve, and a ratchet wheel is rotatably provided on the top of the winding mechanism;
[0007] Rotate the cover, which is rotatably mounted above the ratchet wheel.
[0008] Preferably, a first mating part is provided on one side of the first assembly, and a first mounting hole is provided at the bottom of the first mating part. The connecting structure includes mating posts provided on both sides of the first mounting hole. A first magnetic attractor is installed in the first mounting hole. A second mating part is provided on one side of the bottom of the second assembly. The shape of the second mating part is adapted to the shape of the first mating part of the first assembly. A second mounting hole is provided at the bottom of the second mating part. A second magnetic attractor is installed in the second mounting hole. The first magnetic attractor and the second magnetic attractor are matched.
[0009] Preferably, the second assembly has a mounting groove at its top, a second mating hole at its bottom, the second mating hole matching a mating post, a buckle on one side of the bottom of the second assembly, and a first mating hole at the first mating part of the first assembly, the buckle matching the first mating hole.
[0010] Preferably, the winding mechanism includes a winding wheel, with an insertion hole at the center of the winding wheel, a winding groove in the middle of the winding wheel, two rope fixing holes symmetrically opened at the bottom of the winding wheel, two through holes at the bottom of the winding groove, the through holes communicating with the rope fixing holes, and a first ratchet ring spaced at intervals along the circumferential direction on the top of the winding wheel.
[0011] Preferably, the bottom of the ratchet wheel is provided with a second ratchet ring corresponding to the first ratchet ring, and the side of the ratchet wheel is also provided with a plurality of elastic meshing elements spaced apart along the circumferential direction. One end of the elastic meshing element is fixedly connected to the ratchet wheel, and the other end of the elastic meshing element is provided with a meshing section. A limit hole is provided at the center of the ratchet wheel.
[0012] Preferably, it also includes a connector, the bottom of which is provided with a base, and two protrusions are symmetrically arranged in the middle of the connector, with a limiting protrusion provided on the top of the protrusions.
[0013] Preferably, the bottom of the connecting sleeve is provided with at least two locking blocks, and the bottom of the mounting groove of the second assembly is provided with a locking groove corresponding to the locking blocks. The connecting sleeve and the second assembly are connected by the cooperation of the locking blocks and the locking groove.
[0014] Preferably, the top outer side of the connecting sleeve is provided with an annular limiting strip, the inner side wall of the rotating cover is provided with locking blocks at intervals, the shape of the locking blocks matches the limiting strip, the top of the connecting sleeve is provided with a mounting platform, and the inner side of the mounting platform is provided with a toothed ring structure.
[0015] Preferably, the bottom of the connecting sleeve is symmetrically provided with two positioning seats, each positioning seat having a rope hole, and the outer side of the connecting sleeve is also provided with a positioning protrusion, and the mounting groove wall of the second assembly has a positioning notch corresponding to the positioning protrusion.
[0016] Preferably, the ratchet wheel and the rotating cover are connected by a fixing structure. The fixing structure includes several positioning holes on the top of the ratchet wheel and clamping grooves on the side of the ratchet wheel. Several positioning blocks corresponding to the positioning holes are spaced apart along the circumferential direction on the inner side of the top of the rotating cover. Several L-shaped clamping members are spaced apart along the circumferential direction on the outer side of the positioning blocks.
[0017] Preferably, the bottom of the rotating cover is provided with a plurality of mating protrusions at intervals along the circumferential direction, and the mating protrusions cooperate with the annular limiting strip of the connecting sleeve.
[0018] The technical solution provided by this invention has at least the following technical effects:
[0019] The base features a detachable and modular design. The first and second components can be quickly assembled using magnetic attraction (first / second magnetic components) + buckle (buckle + first mating hole) + post hole (matting post + second mating hole). No tools are required to complete the assembly. After disassembly, the size becomes smaller, making it easy to carry or store.
[0020] The connection between the connecting sleeve and the base, and between the rotating cover and the ratchet wheel, all adopt tool-free mating structures such as "block-slot" and "positioning block-positioning hole". During assembly, you only need to align and snap them together, without complicated operations. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the exploded structure according to an embodiment of the present invention;
[0023] Figure 2 This is a schematic diagram of the exploded structure from another angle according to an embodiment of the present invention;
[0024] Figure 3 This is a schematic diagram of the assembled structure of the base according to an embodiment of the present invention;
[0025] Figure 4 This is a schematic diagram of the structure of the first assembly according to an embodiment of the present invention;
[0026] Figure 5 This is a schematic diagram of the structure of the second assembly according to an embodiment of the present invention;
[0027] Figure 6 This is a schematic diagram of the connector structure according to an embodiment of the present invention;
[0028] Figure 7 This is a schematic diagram of the winding reel according to an embodiment of the present invention;
[0029] Figure 8 This is a schematic diagram of the winding wheel from another angle according to an embodiment of the present invention;
[0030] Figure 9This is a structural schematic diagram of the winding wheel from another angle according to an embodiment of the present invention;
[0031] Figure 10 This is a schematic diagram of the connecting sleeve according to an embodiment of the present invention;
[0032] Figure 11 This is a schematic diagram of the ratchet wheel according to an embodiment of the present invention;
[0033] Figure 12 This is a schematic diagram of the ratchet wheel from another angle according to an embodiment of the present invention;
[0034] Figure 13 This is a schematic diagram of the inner structure of the rotating cover according to an embodiment of the present invention;
[0035] Explanation of key figure labels:
[0036] 10. Base; 110. First assembly; 111. First mating part; 112. First mounting hole; 113. Mating post; 114. First mating hole; 120. Second assembly; 121. Mounting groove; 122. Second mating hole; 123. Slot; 124. Positioning notch; 125. Second mounting hole;
[0037] 20. Connector; 21. Protrusion; 22. Limiting protrusion;
[0038] 30. Winding reel; 31. Winding groove; 32. Through hole; 33. Rope fixing hole; 34. First ratchet ring; 35. Insertion hole;
[0039] 40. Connecting sleeve; 41. Locking block; 42. Circular limiting strip; 43. Positioning seat; 44. Gear ring structure; 45. Positioning protrusion; 46. Rope hole;
[0040] 50. Pawl wheel; 51. Limiting hole; 52. Second ratchet ring; 53. Elastic meshing element; 54. Meshing section; 55. Clamping groove; 56. Positioning hole;
[0041] 60. Rotating cover; 61. Positioning block; 62. Clamping component; 63. Mating protrusion; Detailed Implementation
[0042] Embodiments of the present invention are described in detail below. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.
[0043] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.
[0044] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of embodiments of the present invention, "a plurality of" means two or more, unless otherwise explicitly specified.
[0045] Please refer to Figures 1-2 This invention provides a two-piece fixed take-up device, comprising:
[0046] Base: The base is formed by two detachable and assembleable components, the components including a first component and a second component, which are detachably connected by a connecting structure;
[0047] Connecting sleeve: A winding mechanism is rotatably provided inside the connecting sleeve, and a ratchet wheel is rotatably provided on the top of the winding mechanism;
[0048] Rotate the cover, which is rotatably mounted above the ratchet wheel.
[0049] Please refer to the following: Figures 3-4 The first assembly has a first mating part on one side, and a first mounting hole is provided at the bottom of the first mating part. The connecting structure includes mating posts on both sides of the first mounting hole. A first magnetic attractor is installed in the first mounting hole. The second assembly has a second mating part on one side of its bottom. The shape of the second mating part is adapted to the shape of the first mating part of the first assembly. A second mounting hole is provided at the bottom of the second mating part. A second magnetic attractor is installed in the second mounting hole. The first magnetic attractor and the second magnetic attractor are matched.
[0050] Please refer to Figure 5 The second assembly has a mounting groove at its top and a second mating hole at its bottom. The second mating hole matches the mating post. A buckle is provided on one side of the bottom of the second assembly. The first mating part of the first assembly has a first mating hole, and the buckle matches the first mating hole.
[0051] Please refer to Figure 6 , Figure 6 This is a schematic diagram of the connector structure according to an embodiment of the present invention. The connector has a base at its bottom, two protrusions symmetrically arranged in the middle of the connector, and a limit protrusion at the top of the protrusion.
[0052] Reference Figures 7-9 In this embodiment of the invention, the winding mechanism includes a winding wheel, an insertion hole at the center of the winding wheel, a winding groove in the middle of the winding wheel, two rope fixing holes symmetrically opened at the bottom of the winding wheel, two through holes at the bottom of the winding groove, the through holes communicating with the rope fixing holes, and a first ratchet ring spaced at intervals along the circumferential direction on the top of the winding wheel.
[0053] Please refer to Figure 10 The connecting sleeve has two locking blocks at its bottom. The mounting groove of the second assembly has a corresponding slot at its bottom. The connecting sleeve and the second assembly are connected by the engagement of the locking blocks and the slots. The outer top of the connecting sleeve has an annular limiting strip. The inner wall of the rotating cover has locking blocks spaced apart. The shape of the locking blocks matches the limiting strip. The top of the connecting sleeve has a mounting platform with a toothed ring structure on its inner side. The bottom of the connecting sleeve has two symmetrical positioning seats with rope holes. The outer side of the connecting sleeve also has a positioning protrusion. The mounting groove wall of the second assembly has a positioning notch corresponding to the positioning protrusion.
[0054] Please refer to the following: Figures 11-13 The ratchet wheel has a second ratchet ring at its bottom, corresponding to the first ratchet ring. The side of the ratchet wheel also has several elastic engaging members spaced circumferentially. One end of each elastic engaging member is fixedly connected to the ratchet wheel, and the other end has an engaging section. A limiting hole is formed at the center of the ratchet wheel. The ratchet wheel is connected to the rotating cover via a fixing structure. This fixing structure includes several positioning holes on the top of the ratchet wheel and clamping grooves on the side of the ratchet wheel. The inner top of the rotating cover has several positioning blocks spaced circumferentially, corresponding to the positioning holes. The outer side of each positioning block has several L-shaped clamping members spaced circumferentially. The bottom of the rotating cover has several mating protrusions spaced circumferentially, which engage with the annular limiting strip of the connecting sleeve.
[0055] In this embodiment of the invention, during assembly, the first mating part of the first assembly is aligned with the second mating part of the second assembly. Then, the first magnetic attraction of the first mating part and the second magnetic attraction of the second mating part are engaged to initially fix the two assemblies. Next, the buckle at the bottom of the second assembly is inserted into the first mating hole of the first mating part of the first assembly, while the mating post in the first mating groove is inserted into the second mating hole at the bottom of the mounting groove of the second assembly, completing the base assembly. After the base assembly is complete, the locking block at the bottom of the connecting sleeve is aligned with the locking groove at the bottom of the mounting groove of the second assembly, and inserted to achieve initial fixation. Finally, the positioning protrusion on the outside of the connecting sleeve is aligned with the positioning notch on the wall of the mounting groove of the second assembly to further restrict the rotation of the connecting sleeve, completing the assembly of the connecting sleeve and the base.
[0056] Next, the winding wheel and ratchet wheel are assembled together using a connector. During this process, the winding wheel is inserted into the connecting sleeve from bottom to top, and the ratchet wheel is placed on top of the connecting sleeve from top to bottom, thus completing the assembly of the winding wheel and the connecting sleeve. Before installing the winding wheel, the rope can be passed through the through hole, with the end of the rope passing through the rope fixing hole, and the remaining part of the rope passing through the rope hole at the positioning seat. Finally, the positioning block on the inner side of the top of the rotating cover is inserted into the positioning hole of the ratchet wheel, and simultaneously, the L-shaped clamping piece of the rotating cover engages with the clamping groove of the ratchet wheel, causing the rotating cover and the ratchet wheel to rotate synchronously. The locking block on the inner wall of the rotating cover and the mating protrusion at the bottom engage with the annular limiting strip on the top of the connecting sleeve, ensuring that the rotating cover can rotate stably around the connecting sleeve without detaching from it.
[0057] The present invention has at least the following advantages:
[0058] 1. Easy to assemble and disassemble, suitable for storage and portability:
[0059] The core technology relies on a "detachable structure + multiple convenient connection methods" to lower the operating threshold and facilitate storage.
[0060] The base features a detachable and modular design. The first and second components can be quickly assembled using magnetic attraction (first / second magnetic components) + buckle (buckle + first mating hole) + post hole (matting post + second mating hole). No tools are required to complete the assembly. After disassembly, the size becomes smaller, making it easy to carry or store.
[0061] The connection between the connecting sleeve and the base, and between the rotating cover and the ratchet wheel, all adopt tool-free mating structures such as "block-slot" and "positioning block-positioning hole". During assembly, you only need to align and snap them together, without complicated operations.
[0062] 2. The cable retracts neatly and prevents tipping, resulting in a more stable user experience:
[0063] The problem of messy and loose winding is solved by using a "winding mechanism + ratchet linkage structure".
[0064] The winding mechanism features a highly targeted winding wheel design: the winding groove allows the rope to wind in an orderly manner, preventing knots; the rope fixing hole and through hole can fix both ends of the rope, preventing it from shifting when winding up; the overall structure ensures that the rope winding and unwinding process is neat and convenient for subsequent use.
[0065] The ratchet wheel engages with the ratchet ring of the winding wheel (second ratchet ring + first ratchet ring), enabling a "one-way winding" function. During winding, the ratchet drives normally, and after winding, it prevents the winding wheel from reversing, thus avoiding the wound rope from coming loose on its own. This is especially suitable for scenarios that require "fixed rope length" (such as clotheslines, data cable storage, etc.).
[0066] 3. The structural connections are sturdy and not easily loosened over long-term use:
[0067] By employing "multiple positioning and multi-part coordination," the overall structural stability and durability are enhanced.
[0068] Key components all feature a "double fixing" design: the base is fixed by a triple combination of magnetic attraction, buckle, and post hole; the connecting sleeve is double-positioned by a slot and positioning protrusion; and the rotating cover is triple-coordinated by a positioning block, L-shaped clamp, and limit strip. Each connection link effectively restricts component displacement, preventing shaking or loosening during use.
[0069] The positioning seat of the connecting sleeve, the rope hole, and the mating convex strip of the rotating cover, among other detailed structural features, further optimize the stress distribution between components, reduce wear after long-term use, and extend the life of the device.
[0070] 4. Highly adaptable, meeting various rope and cord storage needs:
[0071] The structural design balances "versatility" and "practicality," making it applicable to a wide range of scenarios.
[0072] The winding groove and rope fixing hole of the winding wheel can be adapted to ropes of different thicknesses (such as data cables, power cords, clotheslines, outdoor ropes, etc.), without the need for individual adjustments for specific ropes.
[0073] The detachable base allows for flexibility in choosing the right option for different usage scenarios.
[0074] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A two-piece fixed take-up device, characterized in that: include Base (10): The base (10) is formed by two detachable and assembleable components, the components including a first component (110) and a second component (120), the first component (110) and the second component (120) being detachably connected by a connecting structure; Connecting sleeve (40): A winding mechanism is rotatably provided inside the connecting sleeve (40), and a ratchet wheel (50) is rotatably provided on the top of the winding mechanism; Rotate the cover (60) and rotate it above the ratchet wheel (50); The first assembly (110) has a first mating part (111) on one side, and a first mounting hole (112) is also provided at the bottom of the first mating part (111). The connection structure includes mating posts (113) on both sides of the first mounting hole (112). A first magnetic attractor is installed in the first mounting hole (112). The second assembly (120) has a second mating part on one side of its bottom. The shape of the second mating part is adapted to the first mating part (111) of the first assembly (110). A second mounting hole (125) is provided at the bottom of the second mating part. A second magnetic attractor is installed in the second mounting hole (125). The first magnetic attractor and the second magnetic attractor are matched.
2. The two-piece fixed take-up device according to claim 1, characterized in that: The second assembly (120) has a mounting groove (121) on its top and a second mating hole (122) at the bottom of the mounting groove (121). The second mating hole (122) matches the mating post (113). A buckle is provided on one side of the bottom of the second assembly (120). The first mating part (111) of the first assembly (110) has a first mating hole (114), and the buckle matches the first mating hole (114).
3. The two-piece fixed take-up device according to claim 1, characterized in that: The winding mechanism includes a winding wheel (30), with an insertion hole (35) at the center of the winding wheel (30), a winding groove (31) in the middle of the winding wheel (30), two rope fixing holes (33) symmetrically opened at the bottom of the winding wheel (30), two through holes (32) opened at the bottom of the winding groove (31), the through holes (32) communicating with the rope fixing holes (33), and a first ratchet ring (34) spaced apart along the circumferential direction on the top of the winding wheel (30).
4. The two-piece fixed take-up device according to claim 3, characterized in that: It also includes a connector (20), the bottom of which is provided with a base (10), and two protrusions (21) are symmetrically arranged in the middle of the connector (20), and the top of the protrusions (21) is provided with a limiting protrusion (22).
5. The two-piece fixed take-up device according to claim 1, characterized in that: The bottom of the connecting sleeve (40) is provided with at least two locking blocks (41), and the bottom of the mounting groove (121) of the second assembly (120) is provided with a slot (123) corresponding to the locking block (41). The connecting sleeve (40) and the second assembly (120) are connected by the cooperation of the locking block (41) and the slot (123).
6. The two-piece fixed take-up device according to claim 1, characterized in that: The connecting sleeve (40) has a circular limiting strip (42) on its top outer side, and the rotating cover (60) has a locking block (41) spaced apart on its inner side wall. The shape of the locking block (41) matches the limiting strip. The connecting sleeve (40) has a mounting platform on its top, and a toothed ring structure (44) is provided on the inner side of the mounting platform.
7. The two-piece fixed take-up device according to claim 1, characterized in that: The bottom of the connecting sleeve (40) is symmetrically provided with two positioning seats (43), the positioning seats (43) are provided with rope holes (46), the outer side of the connecting sleeve (40) is also provided with positioning protrusions (45), and the mounting groove (121) of the second assembly (120) is provided with positioning notches (124) corresponding to the positioning protrusions (45).
8. The two-piece fixed take-up device according to claim 1, characterized in that: The bottom of the ratchet wheel (50) is provided with a second ratchet ring (52) corresponding to the first ratchet ring (34). The side of the ratchet wheel (50) is also provided with a plurality of elastic meshing elements (53) spaced apart along the circumferential direction. One end of the elastic meshing element (53) is fixedly connected to the ratchet wheel (50), and the other end of the elastic meshing element (53) is provided with a meshing section (54). A limit hole (51) is opened at the center of the ratchet wheel (50).
9. The two-piece fixed take-up device according to claim 1, characterized in that: The ratchet wheel (50) and the rotating cover (60) are connected by a fixing structure. The fixing structure includes several positioning holes (56) on the top of the ratchet wheel (50) and clamping grooves (55) on the side of the ratchet wheel (50). Several positioning blocks (61) corresponding to the positioning holes (56) are arranged at intervals along the circumferential direction on the inner top of the rotating cover (60). Several L-shaped clamping members (62) are arranged at intervals along the circumferential direction on the outer side of the positioning blocks (61).
10. The two-piece fixed take-up device according to claim 9, characterized in that: The bottom of the rotating cover (60) is provided with a number of mating protrusions (63) spaced apart along the circumferential direction. The mating protrusions (63) are mated with the annular limiting strip of the connecting sleeve (40).
Citation Information
Patent Citations
Fastening device and method for installing fastening device
TW202240087A
Fastening device and method for installing fastening device
US20220312901A1