CN112623887A - Wire take-up device - Google Patents

Wire take-up device Download PDF

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Publication number
CN112623887A
CN112623887A CN202011330001.4A CN202011330001A CN112623887A CN 112623887 A CN112623887 A CN 112623887A CN 202011330001 A CN202011330001 A CN 202011330001A CN 112623887 A CN112623887 A CN 112623887A
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CN
China
Prior art keywords
transmission line
take
platform
wire
base
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.)
Granted
Application number
CN202011330001.4A
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Chinese (zh)
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CN112623887B (en
Inventor
游云开
林彰城
刘国光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huanxu Shenzhen Electronic Technology Innovation Co ltd
Original Assignee
Huanxu Shenzhen Electronic Technology Innovation Co ltd
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Priority to CN202011330001.4A priority Critical patent/CN112623887B/en
Publication of CN112623887A publication Critical patent/CN112623887A/en
Application granted granted Critical
Publication of CN112623887B publication Critical patent/CN112623887B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4457—Arrangements of the frame or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material

Abstract

The invention discloses a take-up device which comprises a base, a limiting plate, a cover plate and a transmission line. The base is provided with a platform, and the side edge of the platform is provided with a wire buckle. The limiting plate is arranged on the base and forms a gap with the platform. The cover plate is movably limited in the gap and forms an accommodating space with the base. The cover plate has a first guiding portion and an opening. The transmission line is arranged in the accommodating space. The transmission line can be taken up and taken out through the opening. The first guide portion presses the first coil portion into the at least one wire loop when the transmission line is looped around the stage to form the first coil portion and the second coil portion.

Description

Wire take-up device
Technical Field
The present disclosure relates to take-up devices, and particularly to a take-up device with a guide structure.
Background
First, for 3C products, the product size tends to be light, thin, small and small, and the improvement of signal transmission quality is unavoidable. Taking the movable adapter as an example, when the product volume is reduced, the take-up space is also limited. The smaller take-up space means that the smaller the take-up diameter, the greater the influence of the hardness and tension of the wire rod during take-up. Furthermore, as the signal transmission requirement is increased, the wire rod is also thickened, so that the hardness and the tension of the wire rod are increased, and the wire rod is in contradiction with the trend that the size requirement of a product is smaller.
Taking the movable adapter as an example, the common wire take-up method is to wind the wire into a coil by rotating the upper cover. In the prior art, due to the limitation of the wire winding space, the friction force between the wires is easy to rise due to the roughness and the tension of the wires when the second ring is wound, and the wire winding hand feeling is not good. Therefore, in the prior art, when the wire is stored, the wire is often wound only one turn, which causes a shortage of wire length and causes a considerable inconvenience to the user.
Therefore, how to overcome the above-mentioned drawbacks by improving the structural design to maintain a low friction force and a smooth wire winding feel when the wire is wound more than one turn, and further to accommodate a longer length of the wire, has become one of the important issues to be solved in this field.
Disclosure of Invention
The invention aims to solve the technical problem of providing a take-up device aiming at the defects of the prior art, which comprises a base, a cover plate, a limiting plate and a transmission line. The base is provided with a platform, and the side edge of the platform is provided with a wire buckle. The limiting plate is arranged on the base and forms a gap with the platform. The cover plate is movably limited in the gap and forms an accommodating space with the base. The cover plate has a first guide portion and an opening. The transmission line is arranged in the accommodating space. The transmission line can be taken up and taken out through the opening, and when the transmission line surrounds the platform to form the first coil part and the second coil part, the first guide part presses the first coil part into at least one wire buckle.
Preferably, the first guide part has a radius of rotation centered on the center of the platform, and the radius of rotation is greater than the distance from the center of the platform to the outer edge of the wire buckle.
Preferably, the cover plate further includes a top plane and a side wall, the first guiding portion is disposed below the top plane, the side wall is disposed along an edge of the top plane and forms an opening, and the opening is communicated with the accommodating space.
Preferably, the side wall has a first end and a second end, the first end is bent inward to form a bent portion, and the second end forms a second guide portion.
Preferably, the transmission line comprises a transmission line head, the transmission line head is provided with a buckling part, and the transmission line head is clamped on the second guide part through the buckling part and fixed.
Preferably, the buckling part is a convex structure or a concave structure, and the shape of the buckling part corresponds to the shape of the guide part.
Preferably, the first guide portion and the second guide portion are of a cylindrical structure or a roller structure.
Preferably, when the transmission line is taken up through the opening, the second guiding portion is used for guiding the transmission line.
Preferably, the top plane has a notch, and the limit plate is disposed in the notch and fixed to the platform.
Preferably, the top plane also has a recessed area, the recessed area being located in the gap, and the recessed area being adjacent and surrounding the notch.
The invention has the advantages that the wire take-up device provided by the invention can reduce friction force between wires through the technical scheme that the wire take-up device comprises a base, a limiting plate, a cover plate and a transmission line, the base is provided with a platform, the side edge of the platform is provided with a wire buckle, the limiting plate is arranged on the base and forms a gap with the platform, the cover plate is movably limited in the gap and forms an accommodating space with the base, and the transmission line can take up and take out through an opening.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
Fig. 1 is a schematic perspective view of a wire take-up device according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of section II-II of fig. 1.
Fig. 3 is an enlarged schematic view of a portion III of fig. 2.
Fig. 4 is an exploded schematic view of a wire take-up device according to an embodiment of the invention.
Fig. 5 is a schematic view of a base of a wire rewinding device according to an embodiment of the present invention.
Fig. 6 is a schematic view of a cover plate of a wire take-up device according to an embodiment of the invention.
Fig. 7 to 9 are schematic views illustrating the operation of the wire take-up device according to the embodiment of the invention when taking up a wire.
Fig. 10 is a schematic diagram of the wire take-up device according to the embodiment of the present invention.
Detailed Description
The following is a description of the embodiments of the "wire takeup device" disclosed in the present invention with reference to specific embodiments, and those skilled in the art can understand the advantages and effects of the present invention from the disclosure in the present specification. The invention is capable of other and different embodiments and its several details are capable of modification and various other changes, which can be made in various details within the specification and without departing from the spirit and scope of the invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are used primarily to distinguish one element from another. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.
Examples
First, referring to fig. 1, an embodiment of the invention provides a take-up device Z, which is mainly applied to an expansion port device (Docking Station). The expansion port equipment is an external device specially designed for the notebook computer, and can make the notebook computer and interface equipment (such as power adapter, network cable, mouse, external keyboard, printer and external display) implement one-stop connection. The take-up device Z comprises a base 1, a cover plate 2 and a limiting plate 3. The base 1 may include various ports (not shown), such as high-definition multimedia interface (HDMI), Displayport (DP), Video Graphics Array (VGA), Ethernet, universal serial bus (USB-C and USB-A), and so forth. The limiting plate 3 is disposed on the base 1 and forms a gap D with the platform 10. The cover plate 2 is movably limited in the gap D, and forms an accommodating space 20 with the base 1. Next, refer to FIG. 4. The take-up device Z further comprises a transmission line 4, and the transmission line 4 is movably accommodated in the accommodating space 20.
Referring to fig. 4 and 5, the base 1 has a platform 10. Specifically, the platform 10 is located at the center of the base 1. The platform 10 has a wire clip 101 on its side. The number of the wire buckles 101 can be adjusted according to the structural requirement, and the embodiment takes 2 wire buckles 101 as an example, but the invention is not limited thereto. In addition, the wire buckle 101 is separated from the wire buckle 101 by a fixed distance, which can be changed according to the structural requirement, and the invention is not limited thereto. The base 1 also has an outlet 102 on the side. One end of the transmission line 4 is fixed to the base 1 through the outlet 102. When the transmission line 4 is movably disposed in the accommodating space 20, it is placed on the base 1 in a winding manner around the platform 10, as shown in fig. 4.
Referring to fig. 4 and 6, the cover plate 2 has an opening 24 and a first guide portion 25. The transmission line 4 is taken up and out through the opening 24. The transmission line 4 surrounds the stage 10 to form the first coil portion 41 and the second coil portion 42, and at this time, the first guide portion 25 presses the first coil portion 41 into the wire loop 101.
The cover plate 2 further comprises a top plane 21 and a side wall 22. The side walls 22 are disposed along the edges of the top plane 21 and form openings 24. The opening 24 is communicated with the accommodating space 20, and is used for the transmission line 4 arranged in the accommodating space 20 to be outgoing, or for the transmission line 4 arranged outside the accommodating space 20 to be taken up. The side wall 22 is used to guide the transmission line 4 when the transmission line 4 is taken up through the opening 24, so that the transmission line 4 surrounds the platform 10 and is placed on the base 1 in a winding manner.
Specifically, as shown in fig. 6 and 7, the top plane 21 has a notch 23, and the sidewall 22 has a first end 221 and a second end 222. The first end 221 is bent inward to form the bent portion 27, and the second end 222 forms the second guide portion 26. More specifically, the first end 221 is bent inward in a direction toward the notch 23 to form a bent portion 27. The first guide portion 25 is disposed below the top plane 21, so that when the cover plate 2 is rotated, the first guide portion 25 rotates around the platform 10. The first guide portion 25 is located between the first coil portion 41 (inner-ring wire) and the second coil portion 42 (outer-ring wire). When the transmission line 4 is wound up through the opening 24, the second guiding portion 26 is used for guiding the transmission line 4, and the first guiding portion 25 presses the first coil portion 41 into the wire buckle 101. The notch 23 is located directly above the platform 10 when the cover 2 is placed on the base 1. It should be noted that, in the present invention, the first guiding portion 25 has a rotation radius R centered at the center of the platform 10, and the rotation radius R is greater than the distance L from the center of the platform 10 to the outer edge of the buckle 101. Therefore, when the cover plate 2 is rotated to accommodate the transmission line 4 into the accommodating space 20, the first guide portion 25 is not interfered by the wire buckle 101 during the rotation process.
The first guide portion 25 has a main function of fixing the innermost wire wound into a loop in the wire loop 101 when the transmission line 4 is received in the receiving space 20, so as to prevent the inner wire from rubbing against the outer wire due to the outward tension. It should be noted that the present invention does not limit the position and number of the first guiding portions 25, and the present invention is only one possible embodiment and is not limited thereto. Without violating the design concept of the present invention, the user can simply change the position and number of the first guiding portions 25 according to the actual requirement, and the achieved equivalent technical changes are all included in the present invention.
Referring to fig. 1 and 4, the cover plate 2 is sandwiched between the base 1 and the stopper plate 3. The stopper plate 3 is disposed in the notch 23 and is fixed to the platform 10 of the base 1 with screws. The top plane 21 of the cover plate 2 also has a recessed area 211, the recessed area 211 being adjacent to and surrounding the notch 23. Therefore, when the stopper plate 3 is disposed in the notch 23, the outer side of the stopper plate 3 covers the recessed region 211. Further, the height difference between the bottom of the recessed area 211 and the top plane 211 is equal to the thickness of the limiting plate 3, so that when the limiting plate 3 is disposed in the notch 23, the top surface of the limiting plate 3 is aligned with the top plane 21 of the cover plate 2.
Referring to fig. 2 and 3, the recess 211 of the cover plate 2 is located in the gap D, and the thickness of the recess 211 is smaller than the gap D. As described in the previous paragraphs, since the cover plate 2 is movably limited in the gap D, the cover plate 2 can be rotated to accommodate the transmission line 4 into the accommodating space 20. In other words, the clearance D is intended to allow the cover 2 to rotate freely when sandwiched between the base 1 and the stopper plate 3.
Referring to fig. 1 and 4 again, the cover plate 2 drives the first guiding portion 25 and the second guiding portion 26 to accommodate the transmission line 4 into the accommodating space 20 by rotating clockwise, and drives the first guiding portion 25 and the second guiding portion 26 to withdraw the transmission line 4 from the accommodating space 20 by rotating counterclockwise. When the cover 2 rotates clockwise to drive the first guiding portion 25 and the second guiding portion 26 to accommodate the transmission line 4 into the accommodating space 20, so that the transmission line 4 is placed on the base 1 around the platform 10 in a winding manner, the transmission line 4 surrounds the platform 10 to form the first coil portion 41 and the second coil portion 42. The first coil portion 41 is located inside and adjacent to the platform 10 such that the first coil portion 41 is secured by a wire loop 101 at the side of the platform 10. In addition, at this time, the first guide portion 25 is provided between the first coil portion 41 and the second coil portion 42, reducing the contact area between the first coil portion 41 and the second coil portion 42, that is, reducing the frictional force between the wires (transmission lines) when the transmission lines 4 are wound.
In the present embodiment, the first guiding portion 25 and the second guiding portion 26 are cylindrical structures. However, the invention is not limited thereto, and in other embodiments, the first guide portion 25 and the second guide portion 26 can also be a roller structure floating on the cover plate 2.
The transmission line 4 includes a transmission line head 40 having a latch 401. When the cover 2 rotates clockwise to drive the first guiding portion 25 to accommodate the transmission line 4 into the accommodating space 20, so that the transmission line 4 is placed on the base 1 around the platform 10 in a winding manner, the transmission line head 40 is fixed by being clamped on the second guiding portion 26 through the buckling portion 401. In this embodiment, the locking portion 401 is a protrusion structure. However, the invention is not limited thereto, and in other embodiments, the locking portion 401 may also be a groove structure or another locking structure corresponding to the shape of the second guiding portion 26.
Referring to fig. 7 to 9, a wire winding operation of the wire winding device Z provided by the present invention is further described. First, as shown in fig. 7, fig. 7 shows a state that the transmission line 4 completely exits from the accommodating space 20, at this time, the extending direction of the transmission line 4 is from the outlet 102 and then passes through between the first guiding portion 25 and the second guiding portion 26, and the first guiding portion 25 is relatively located inside the transmission line 4.
Next, as shown in fig. 8, when a user wants to take the transmission line 4 into the take-up device Z, the cover plate 2 is rotated clockwise for one turn to take the transmission line 4 into the accommodating space 20, so as to form a first coil portion 41. Since the first guide portion 25 is disposed on the cover 2, the first guide portion 25 will rotate when the cover 2 is rotated. In other words, the first guide portion 25 returns to approximately the same position as in fig. 7 after one rotation.
Next, as shown in fig. 7 and 8, after the first winding is completed (forming the first coil portion 41), the cover 2 is continuously rotated clockwise, the first guiding portion 25 presses the first coil portion 41 of the transmission line 4 into the buckle 101 to fix the first coil portion 41, and the winding is continuously performed, where the first guiding portion 25 is located between two windings of the transmission line 4. The reason why the first coil portion 41 needs to be fixed by the wire clasp 101 is to prevent the transmission line 4 wound into a loop from contacting the second coil portion 42 formed later due to the wire tension thereof, so that the first coil portion 41 and the second coil portion 42 generate friction, and further interfere with the subsequent wire winding operation.
As shown in fig. 8 and 9, the cover 2 is continuously rotated, the first coil portion 41 is pressed into the wire buckle 101, the second coil portion 42 of the transmission wire 4 is also received in the receiving space 20, and the second winding operation is completed (the second coil portion 42 is formed), and the locking portion 401 of the transmission wire head 40 is locked to the second guide portion 26, and the winding operation is completed (the first coil portion 41 and the second coil portion 42 are formed), as shown in fig. 9. The bending direction of the bending portion 27 can press the portion of the transmission line 4 close to the transmission line head 40 inward, ensuring that the platform 10 has a large enough area for the transmission line head 40 to be placed.
Referring to fig. 10, the wire outlet operation of the wire take-up device Z provided by the present invention is further explained. When the user intends to withdraw the transmission line 4, the cover 2 may be rotated counterclockwise, and the first guiding portion 25 pushes the transmission line 4 out of the wire buckle 101 (as shown by arrow a in fig. 10) until the transmission line 4 completely exits the accommodating space 20, thereby completing the wire-out operation.
Advantageous effects of the embodiments
One of the benefits of the present invention is that the wire winding device Z provided by the present invention can improve the wire winding hand feeling by "the wire winding device Z includes a base 1, a cover plate 2, and a transmission line 4", "the base 1 has a platform 10, a side edge of the platform 10 has a wire buckle 101", "a limit plate 3 is disposed on the base 1, and forms a gap D with the platform 10", "the cover plate 2 is movably limited in the gap D and forms an accommodating space 20 with the base 1", and "the transmission line 4 can be wound and discharged through an opening 24", when the transmission line 4 surrounds the platform 10 to form a first coil portion 41 and a second coil portion 42, the first guiding portion 25 presses the first coil portion 41 into at least one wire buckle 101 ", and the design of the guiding structure (the first guiding portion 25) reduces the friction force between the wire materials.
More specifically, the present invention presses the transmission line 4 into the wire holder 101 during wire winding by the guiding structure (the first guiding portion 25), and separates the inner coil (the first coil portion 41) from the outer coil (the second coil portion 42) by the guiding structure, so as to prevent the first coil portion 41 from contacting the second coil portion 42 due to the tension of the wire, and prevent the friction from being too large to affect the subsequent wire winding operation. The structural design of the guide structure of the invention overcomes the defect that only one circle of wire can be accommodated in the prior art, and can still maintain lower friction force and smooth wire winding hand feeling when the wire is allowed to wind more than one circle under smaller volume, so the length of the wire can be prolonged on the design of products, and the effect that the volume of the products is reduced and the accommodating length of the wire is not influenced is achieved.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the claims, so that all technical equivalents and modifications using the contents of the specification and drawings are included in the scope of the claims.

Claims (10)

1. The utility model provides a take-up which characterized in that, take-up includes:
the base is provided with a platform, and the side edge of the platform is provided with at least one wire buckle;
the limiting plate is arranged on the base and forms a gap with the platform;
the cover plate is movably limited in the gap and forms an accommodating space with the base, and the cover plate is provided with a first guide part and an opening; and
a transmission line arranged in the accommodating space, the transmission line is wound up and discharged through the opening,
wherein the first guide presses the first coil portion into at least one of the wire clasps when the transmission line is looped around the stage to form a first coil portion and a second coil portion.
2. The take-up device as claimed in claim 1, wherein the first guide portion has a radius of rotation centered at the center of the platform, and the radius of rotation is greater than the distance from the center of the platform to the outer edge of the buckle.
3. The take-up device as claimed in claim 2, wherein the cover plate further includes a top plane and a side wall, the first guide portion is disposed below the top plane, the side wall is disposed along an edge of the top plane and forms the opening, and the opening is communicated with the accommodating space.
4. The take-up device as claimed in claim 3, wherein the side wall has a first end and a second end, the first end is bent inward to form a bent portion, and the second end forms a second guiding portion.
5. The take-up device as claimed in claim 4, wherein the transmission line includes a transmission line head, the transmission line head has a fastening portion, and the transmission line head is fastened to the second guiding portion through the fastening portion.
6. The take-up device as claimed in claim 5, wherein the locking portion is a protrusion structure or a groove structure, and the shape of the locking portion corresponds to the shape of the guide portion.
7. The take-up device as claimed in claim 6, wherein the first and second guide portions are of a cylindrical structure or a roller structure.
8. The take-up device as claimed in claim 4, wherein the second guide portion is configured to guide the transmission line when the transmission line is taken up through the opening.
9. A take-up device as claimed in claim 3, wherein the top plane has a notch, and the limiting plate is disposed in the notch and fixed to the platform.
10. The take-up device as claimed in claim 9, wherein the top surface further has a recessed area located in the gap adjacent to and surrounding the notch.
CN202011330001.4A 2020-11-24 2020-11-24 Wire winding device Active CN112623887B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202011330001.4A CN112623887B (en) 2020-11-24 2020-11-24 Wire winding device

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CN112623887A true CN112623887A (en) 2021-04-09
CN112623887B CN112623887B (en) 2023-05-02

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102061A (en) * 1990-08-08 1992-04-07 Yazaki Corporation Brushless electric signal transmitting rotary device
US5841069A (en) * 1995-11-09 1998-11-24 Yazaki Corporation C-shaped relay apparatus between relative rotary materials
JP2000124721A (en) * 1998-10-19 2000-04-28 Nec Corp Cable winding device for parabolic antenna
JP2000159446A (en) * 1998-11-30 2000-06-13 Sony Corp Cable take-up device
JP2004289948A (en) * 2003-03-24 2004-10-14 Sumitomo Wiring Syst Ltd Cable reel
JP2007037201A (en) * 2002-01-31 2007-02-08 Yazaki Corp Clock spring
CN210214426U (en) * 2019-07-17 2020-03-31 京东方科技集团股份有限公司 Electric wire winding and unwinding device and display device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5102061A (en) * 1990-08-08 1992-04-07 Yazaki Corporation Brushless electric signal transmitting rotary device
US5841069A (en) * 1995-11-09 1998-11-24 Yazaki Corporation C-shaped relay apparatus between relative rotary materials
JP2000124721A (en) * 1998-10-19 2000-04-28 Nec Corp Cable winding device for parabolic antenna
JP2000159446A (en) * 1998-11-30 2000-06-13 Sony Corp Cable take-up device
JP2007037201A (en) * 2002-01-31 2007-02-08 Yazaki Corp Clock spring
JP2004289948A (en) * 2003-03-24 2004-10-14 Sumitomo Wiring Syst Ltd Cable reel
CN210214426U (en) * 2019-07-17 2020-03-31 京东方科技集团股份有限公司 Electric wire winding and unwinding device and display device

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