TWI897346B - Easy-to-change cable hub - Google Patents

Abstract

A convenient line-changing hub comprises: a main frame including a leg, a handle, a fixed shaft and a fixed frame; a take-up wheel including a first half-wheel frame and a second half-wheel frame assembled corresponding to the first half-wheel frame, wherein the interior of the assembled first half-wheel frame and the second half-wheel frame is provided with a winding area corresponding to a threading wire, and one end of the threading wire is fixed in the take-up wheel. The first half-wheel frame has a sleeve that is sleeved on the fixed shaft so that the take-up wheel is idle; a plurality of clips are respectively fixed to the first half-wheel frame and the second half-wheel frame; and a spring tube, one end of which is passed through and fixed to the fixed frame so that the other end of the threading wire can be sent out or retracted from the other end of the spring tube, and the threading wire can be conveniently replaced by disassembling or assembling the clips and the second half-wheel frame.

Description

Easy-to-change cable hub

The present invention provides a hub, particularly a hub that facilitates replacement of pull cables.

Referring to FIG. 1 , a hub 1 is shown. The hub 1 comprises a metal bracket 11, a take-up reel 12, and a spring switch 13. The metal bracket 11 comprises a shaft 111, a handle 112 connected to an upper side of the shaft 111, and a base 113 connected to a lower side of the shaft 111. The base 113 comprises two stand-alone, spaced-apart pedestals 114, and a fixing portion 115 fixed above the stand 114 on opposite sides of the shaft 111. The two stand 114 are connected by the shaft 111 and the fixing portion 115 to define an internal space 116. A guide rod 117 is connected to the fixing portion 115. The take-up reel 12 is pivotally connected to the internal space 116. It comprises an integral reel frame 121 and a sleeve 122 connected to one side of the reel frame 121. The reel frame 121 has a winding area 1211 within it for the threading wire 14. The sleeve 122 fits over the shaft 111, allowing the reel 12 to rotate freely. One end 131 of the spring switch 13 is fixed to one end of the guide rod 117, while the other end 132 is used to retract the threading wire 14 from the reel 12 after it is delivered.

However, on the construction site, if the cable 14 in the winding area 1211 needs to be replaced with a different wire type or length, the integrated wheel frame 121 cannot be immediately disassembled. All cable 14 in the winding area 1211 must first be pulled out and then the required cable 14 must be rewound, making the installation cumbersome and inconvenient. Therefore, to save time replacing the cable 14, construction workers need to prepare multiple hubs 1 with cable 14 of different specifications, wire types, and lengths. However, the metal bracket 11 of each hub 1 is bulky and heavy, making it difficult to carry and requiring further improvement.

The main purpose of this invention is to provide a convenient cable replacement hub that allows operators to easily replace cables of different specifications, wire types, and lengths.

To achieve the above-mentioned purpose, the present invention provides a convenient cable changing hub, comprising: a main frame, including a leg, a handle connected to the upper part of the leg, a fixed shaft horizontally arranged between the leg and the handle, and a fixed frame on one side of the fixed shaft; a take-up wheel, including a first half wheel frame and a second half wheel frame assembled to correspond to the first half wheel frame, the interior of the first half wheel frame and the second half wheel frame after assembly is provided with a wire winding corresponding to a wire threading The take-up wheel has a region within which one end of the threading wire is fixed. The first half of the wheel frame has a sleeve that is sleeved on the fixed shaft, allowing the take-up wheel to rotate idly. A plurality of clamping members are fixed to the first and second half of the wheel frame, respectively. A spring tube has one end inserted through and fixed to the fixed frame. When the take-up wheel rotates idly, the other end of the threading wire is fed out or retracted from the other end of the spring tube. The threading wire can be easily replaced by disassembling or assembling the clamping members and the second half of the wheel frame.

Furthermore, the first half wheel frame includes a first outer ring and a first inner ring. The first inner ring is smaller than the diameter of the first outer ring and is located inside the first outer ring. The first inner ring and the first outer ring are arranged on different horizontal planes. The sleeve is connected to one side of the first inner ring and protrudes toward the second half wheel frame. The sleeve forms a convex block relative to one side of the first inner ring. The middle of the convex block and the first inner ring are respectively connected to the sleeve for hollow communication. The first half wheel frame is connected to a plurality of first arc-shaped long rods between the sleeve and the first outer ring. The first arc-shaped long rods are round rods, and one end of the first arc-shaped long rods is fixed to One end of the sleeve is fixed to the annular surface of the first outer ring, and the other end is fixed to the inner annular surface of the first outer ring. The second half wheel carrier includes a second outer ring and a second inner ring. The second inner ring has a smaller diameter than the second outer ring and is located within the second outer ring. The second inner ring and the second outer ring are arranged on different horizontal planes. The second half wheel carrier is located between the second inner ring and the second outer ring and is connected to a plurality of second curved rods corresponding to the first curved rods. The second curved rods are round rods, and one end of each of the second curved rods is fixed to the annular surface of the second inner ring and the other end is fixed to the inner annular surface of the second outer ring.

Furthermore, the first half wheel frame further includes a first fixing sleeve, which is fixed to the outer surface of one of the first arc-shaped long rods.

Furthermore, the second wheel frame half further includes a second fixing sleeve and a plurality of fasteners. The second fixing sleeve is fixed to the outer surface of the second outer ring, and the fasteners are respectively fixed to the outer surface of the second outer ring opposite the second fixing sleeve, allowing the first wheel frame half and the second wheel frame half to be assembled correspondingly.

Furthermore, each of the clips includes a plurality of locking portions and a guide portion. The locking portions are disposed around the outer periphery of the clips and on either side thereof, for corresponding insertion of the first and second arc-shaped long rods. Each of the locking portions has a locking groove and a locking body located inside the outer end of the locking portion and protruding toward the locking groove. The guide portion is located on the inner periphery of the clips and has a circular arc edge and two oblique edges connecting the two ends of each circular arc edge to the two side ends of the clips.

Furthermore, the fastening members are configured to fasten the first arc-shaped long rods and the second arc-shaped long rods in different directions.

Furthermore, the clips are made of plastic, and their shape corresponds to the shape of the first curved long rods and the second curved long rods when assembled.

Furthermore, the leg frame includes two outwardly inclined, opposing support rods and a crossbar connecting the bottoms of the two support rods. The fixed shaft includes a shaft tube, a screw hole between the leg frame and the handle for engagement with one side of the shaft tube, and a fixed swivel engaging the opposite side of the shaft tube. The shaft tube has a first external thread facing the screw hole and correspondingly engaging with the screw hole, and a second external thread opposite the first external thread. The fixed swivel includes an internal thread correspondingly engaging with the second external thread of the shaft tube.

Furthermore, the fixed shaft further includes two locking bodies, each having an internal thread corresponding to and engaging the second external thread of the shaft tube. One end of the fixing frame is mounted on the second external thread of the shaft tube, and both sides of one end of the fixing frame are fixed by the two locking bodies. The other end of the fixing frame is provided with an annular protrusion having a through-hole for obliquely inserting and fixing one end of the reed tube.

Furthermore, the fixing frame further includes a first retaining ring and a second retaining ring assembled with the first retaining ring. The first retaining ring is hollow, and one end of the first retaining ring is inserted into the through hole. The second retaining ring is sleeved on one end of the first retaining ring.

As described above, the present invention has the following advantages over existing devices: The convenient cable-changing hub of the present invention utilizes the sleeve of the first half of the wheel frame to allow the take-up reel to be mounted on the fixed shaft, allowing the take-up reel to rotate idly, allowing the other end of the threading cable to be delivered or retracted from the other end of the spring switch. This facilitates operator disassembly or assembly of the clips and the second half of the wheel frame, allowing replacement of threading cables of different specifications, wire types, and lengths, making the convenient cable-changing hub convenient to carry.

(Current)

1: Hub

11: Metal bracket

111: Shaft

112: Handle

113: Base

114: Scaffolding

115: Fixed part

116: Interior Space

117: Guide Rod

12: Take-up reel

121: Wheel carrier

1211: Winding area

122: Casing

13: Reed pipe

131: One end

132: The other end

14: Threading the cable

(This invention)

2: Convenient cable switching hub

3: Main frame

31: Tripod

311: Support pole

312: horizontal bar

32: Handle

33: Fixed axis

331: Axle tube

3311: First external thread

3312: Second external thread

332: Screw hole

333: Fixed Rotation

3331: Internal thread

334: Locking solid

3341: Internal thread

34: Fixed bracket

341: Circumferential convex body

342: Perforation

343: First Guard Ring

344: Second guard ring

4: Take-up reel

41: First half wheel frame

411: Casing

4111: convex

412: First Outer Ring

413: First Inner Ring

414: First Arc Long Pole

415: First fixed sleeve

42: Second half wheel frame

421: Second Outer Ring Road

422: Second Inner Ring

423: Second Arc Long Rod

424: Second fixed sleeve

425: Fasteners

43: Winding area

5: Card Firmware

51: Snap-in section

511: Embedded Groove

512: Card Body

52: Guidance Department

521: Arc Edge

522: Oblique edge

6: Reed pipe

61: One end

62: The other end

7.7a: Threading the Pull Wire

71: One end

72: The other end

Figure 1: A three-dimensional diagram of the existing hub.

Figure 2: A three-dimensional exploded view of the convenient cable exchange hub of the present invention.

Figure 3: A perspective view of the convenient cable exchange hub and reed switch assembly of the present invention.

Figure 4: A cross-sectional view of the side of the hub for easy cable replacement in Figure 3.

Figure 5: A cross-sectional view of the first curved rod secured to the clamping fixture in Figure 4.

Figure 6: A 3D diagram of the cable replacement hub in Figure 3.

The detailed description and technical content of this invention are now illustrated below with accompanying drawings: Please refer to Figures 2 and 3 in conjunction with Figures 4 and 5. This invention provides a convenient cable change hub 2, which includes a main frame 3, a take-up reel 4, a plurality of clamping members 5, and a reed pipe 6.

The main frame 3 comprises a leg 31, a handle 32 connected to the top of the leg 31, a fixed shaft 33 positioned horizontally between the leg 31 and the handle 32, and a fixed bracket 34 on one side of the fixed shaft 33. In terms of structure, the leg 31 comprises two outwardly inclined, opposing support rods 311 and a crossbar 312 connecting the bottoms of the two support rods 311. The fixed shaft 33 comprises a shaft tube 331, a screw hole 332 between the leg 31 and the handle 32 for engaging one side of the shaft tube 331, and a fixed swivel 333 engaging the opposite side of the shaft tube 331. The shaft tube 331 has a first external thread 3311 facing and correspondingly engaging with the threaded hole 332, and a second external thread 3312 opposite the first external thread 3311. The fixed rotator 333 has an internal thread 3331 that correspondingly engages with the second external thread 3312 of the shaft tube 331. Rotating the fixed rotator 333 causes it to screw in or out of the shaft tube 331.

The fixed shaft 33 also includes two locking bodies 334, each having an internal thread 3341 that engages with the second external thread 3312 of the shaft tube 331. One end of the fixing frame 34 is attached to the second external thread 3312 of the shaft tube 331, and the two locking bodies 334 secure the fixing frame 34 on both sides of one end. The other end of the fixing frame 34 is provided with an annular protrusion 341 with a through-hole 342. This through-hole 342 allows one end 61 of the reed pipe 6 to be obliquely inserted and fixed. The other end 62 of the reed pipe 6 is used to retract the wire 7 in the take-up reel 4 after it has been fed out.

The fixing frame 34 further includes a first retaining ring 343 and a second retaining ring 344 assembled with the first retaining ring 343. The first retaining ring 343 is hollow, and one end of the first retaining ring 343 is inserted into the through hole 342. The second retaining ring 344 is sleeved over one end of the first retaining ring 343.

The take-up reel 4 includes a first half frame 41 and a second half frame 42 connected to the first half frame 41. The first and second half frames 41, 42 are connected to form a vertical frame. The interior of the assembled first and second half frames 41, 42, is provided with a wire winding area 43 corresponding to the wire threading 7. In this embodiment, the first half frame 41 has a sleeve 411 that is sleeved on the fixed shaft 33, allowing the take-up reel 4 to rotate idly. The fixed rotator 333 is used to prevent the take-up reel 4 from disengaging from the second external thread 3312 of the shaft 331 during idling. In this embodiment, the sleeve 411 is connected to one side of the first inner ring 413 and protrudes toward the second half-wheel frame 42. A protrusion 4111 is formed on the side of the sleeve 411 facing the first inner ring 413. A hollow space is formed between the protrusion 4111 and the first inner ring 413, respectively, and communicates with the sleeve 411.

In this embodiment, the first half-wheel carrier 41 includes a first outer ring 412 and a first inner ring 413. The first inner ring 413 is smaller in diameter than the first outer ring 412 and is located within the first outer ring 412. The first inner ring 413 and the first outer ring 412 are arranged on different horizontal planes. A plurality of first curved rods 414 are connected to the first half-wheel carrier 41 between the sleeve 411 and the first outer ring 412. These first curved rods 414 serve as support for the first half-wheel carrier 41. The first curved rods 414 have a round cross-section, with one end secured to the annular surface of one end of the sleeve 411 and the other end secured to the inner surface of the first outer ring 412. The first half-wheel frame 41 further includes a first fixing sleeve 415 secured to the outer surface of one of the first curved rods 414 for insertion and positioning of the end 71 of the threading wire 7.

In this embodiment, the second wheel carrier half 42 includes a second outer ring 421 and a second inner ring 422. The second inner ring 422 has a smaller diameter than the second outer ring 421 and is positioned within the second outer ring 421. The second inner ring 422 and the second outer ring 421 are arranged on different horizontal planes. Connected to the second wheel carrier half 42 are a plurality of second curved rods 423 corresponding to the first curved rods 414. These second curved rods 423 serve as support for the second wheel carrier half 42. The second curved rods 423 have a round cross-section, with one end secured to the surface of the second inner ring 422 and the other end secured to the inner surface of the second outer ring 421. The second half wheel frame 42 further includes a second fixing sleeve 424 and a plurality of fasteners 425. The second fixing sleeve 424 is secured to the outer surface of the second outer ring 421, allowing the other end 72 of the threading wire 7 to be inserted and positioned when not in use. The fasteners 425 are secured to the outer surface of the second outer ring 421 opposite the second fixing sleeve 424, ensuring the stability of the corresponding assembly between the first half wheel frame 41 and the second half wheel frame 42. The fasteners 425 can be located between the second arc-shaped long rods 423. The form and number of the fasteners 425 can be changed according to needs.

The clips 5 are made of plastic, and their shape corresponds to the assembled shape of the first curved rods 414 and the second curved rods 423. The following uses one clip 5 as an example: the clip 5 includes a plurality of locking portions 51 and a guide portion 52. The locking portions 51 are disposed around the outer periphery of the clip 5 and on either side thereof, correspondingly receiving the first curved rods 414 and the second curved rods 423. The guide portion 52 is located on the inner periphery of the clip 5 to guide and position the threading wire 7. In this embodiment, the locking portions 51 each have a locking groove 511 and a locking body 512 located on the inner side of the outer end of the locking portion 51 and protruding toward the locking groove 511. The locking body 512 can lock the first arc-shaped long rod 414 and the second arc-shaped long rod 423. The guide portion 52 has an arc-shaped edge 521 and two beveled edges 522 connecting from the two ends of the arc-shaped edge 521 to the two side ends of the locking member 5. The two beveled edges 522 guide the threading wire 7 in the winding area 43 into position. In one embodiment, the locking members 5 are arranged to lock the first arc-shaped long rod 414 and the second arc-shaped long rod 423 in different directions, ensuring a more secure fit between the first and second half wheel frames 41 and 42.

Referring again to Figures 2 through 5, in this embodiment, one end 71 of the threading cable 7 is inserted and positioned within the first fixed sleeve 415, allowing the threading cable 7 to be housed within the winding area 43. During operation, the operator grasps the other end 62 of the reed pipe 6 with one hand and the other end 72 of the threading cable 7 with the other hand, pulling it backward or pushing it forward. The convenient cable-changing hub 2 is mounted on the fixed shaft 33 via the sleeve 411, causing the take-up wheel 4 to idle, allowing the other end 72 of the threading cable 7 to be delivered or retracted through the other end 62 of the reed pipe 6.

Referring back to Figure 6 , when an operator replaces the cable 7 at the construction site, they first disassemble the clips 5 , separate and remove the second half wheel frame 42 , and replace the cable 7 with a cable 7a of different specifications, line type, and length. The second half wheel frame 42 is then aligned with the first half wheel frame 41 , and the clips 5 are used to engage the first curved rods 414 and the second curved rods 423 , respectively, for greater stability and easier replacement of the cable 7a , making the cable hub 2 more portable.

However, the foregoing is merely a preferred embodiment of the present invention, intended to enable those skilled in the art to understand the present invention and implement it accordingly. It is not intended to limit the scope of the present invention. Therefore, all equivalent variations or modifications based on the shapes, structures, and features described in the scope of the present invention should be included in the scope of the patent application of the present invention.

2: Convenient cable switching hub

3: Main frame

31: Tripod

311: Support pole

312: horizontal bar

32: Handle

33: Fixed axis

333: Fixed Rotation

334: Locking solid

34: Fixed bracket

341: Circumferential convex body

343: First Guard Ring

344: Second guard ring

4: Take-up reel

41: First half wheel frame

411: Casing

412: First Outer Ring

413: First Inner Ring

414: First Arc Long Pole

415: First fixed sleeve

42: Second half wheel frame

421: Second Outer Ring Road

422: Second Inner Ring

423: Second Arc Long Rod

424: Second fixed sleeve

425: Fasteners

43: Winding area

5: Card Firmware

6: Reed pipe

61: One end

62: The other end

7: Threading the cable

71: One end

72: The other end

Claims (10)

A convenient cable-changing hub comprises: A main frame including a leg, a handle connected to the leg, a fixed shaft horizontally positioned between the leg and the handle, and a fixed frame on one side of the fixed shaft; A take-up reel comprising a first half-reel and a second half-reel assembled to correspond with the first half-reel. The assembled first and second half-reel have a winding area corresponding to a threading wire, within which one end of the threading wire is secured. The first half-reel has a sleeve that fits over the fixed shaft, allowing the take-up reel to rotate freely; A plurality of fasteners fixed to the first half-reel and the second half-reel, respectively; and A reed pipe has one end threaded through and fixed to the fixing frame. When the take-up wheel is idling, the other end of the threading wire is fed out or retracted from the other end of the reed pipe. The threading wire can be easily replaced by disassembling or assembling the clamping members and the second half of the wheel frame. The convenient cable-changing hub as described in claim 1, wherein the first half wheel frame includes a first outer ring and a first inner ring, the first inner ring is smaller than the diameter of the first outer ring and is located inside the first outer ring, and the first inner ring and the first outer ring are arranged on different horizontal planes, the sleeve is connected to one side of the first inner ring and protrudes toward the second half wheel frame, and the sleeve forms a convex block relative to one side of the first inner ring, the middle of the convex block and the first inner ring are respectively hollow and connected to the sleeve, and the first half wheel frame is connected to a plurality of first arc-shaped long rods between the sleeve and the first outer ring, the first arc-shaped long rods are round rods, and the first arc One end of the arc-shaped long rod is fixed to the annular surface of one end of the sleeve, and the other end is fixed to the inner annular surface of the first outer ring; wherein, the second half wheel frame includes a second outer ring and a second inner ring, the annular diameter of the second inner ring is smaller than the annular diameter of the second outer ring and is located inside the second outer ring, the second inner ring and the second outer ring are arranged on different horizontal planes, and the second half wheel frame is located between the second inner ring and the second outer ring and is connected to a plurality of second arc-shaped long rods corresponding to the first arc-shaped long rods, the second arc-shaped long rods are round rods, and one end of the second arc-shaped long rods is fixed to the annular surface of the second inner ring, and the other end is fixed to the inner annular surface of the second outer ring. A convenient cable-changing hub as described in claim 2, wherein the first half wheel frame further includes a first fixed sleeve, which is fixed on the outer surface of one of the first arc-shaped long rods. A convenient cable-changing hub as described in claim 2, wherein the second half wheel frame further includes a second fixed sleeve and a plurality of fasteners, the second fixed sleeve being fixed on the outer surface of the second outer ring, and the fasteners being respectively fixed on the outer surface of the second outer ring relative to the second fixed sleeve, for corresponding assembly of the first half wheel frame and the second half wheel frame. A convenient cable changing hub as described in claim 2, wherein the clipping members respectively include a plurality of embedding portions and a guide portion, the embedding portions are respectively arranged around the outer periphery of the clipping members and on both sides for the first arc-shaped long rods and the second arc-shaped long rods to be embedded correspondingly, the embedding portions respectively have an embedding groove and a card body located on the inner side of the outer end of the embedding portions and protruding toward the embedding groove, the guide portions are located on the inner periphery of the clipping members, respectively have an arc edge and two oblique edges connected from the two ends of each of the arc edges to the two side ends of the clipping members. A convenient cable-changing hub as described in claim 5, wherein the clamping members are arranged to clamp the first arc-shaped long rods and the second arc-shaped long rods in different directions. As described in claim 6, the convenient cable changing hub, wherein the clips are made of plastic material, and their appearance corresponds to the shape of the first arc-shaped long rods and the second arc-shaped long rods assembled. A convenient cable-changing hub as described in claim 1, wherein the leg comprises two outwardly inclined and opposite support rods and a cross rod connecting the bottoms of the two support rods; wherein the fixed axis comprises an axis tube, a screw hole between the leg and the handle for engaging one side of the axis tube, and a fixed swivel engaged with the opposite side of the axis tube, wherein the axis tube has a first external thread facing one side of the screw hole and correspondingly engaged with the screw hole, and a second external thread on a side opposite to the first external thread, and the fixed swivel comprises an internal thread correspondingly engaged with the second external thread of the axis tube. As described in claim 8, the convenient cable change hub, wherein the fixed shaft further includes two locking solids, each of which has an internal thread corresponding to the second external thread of the shaft tube, one end of the fixing frame is hung on the second external thread of the shaft tube, and the two sides of one end of the fixing frame are fixed by the two locking solids, and the other end of the fixing frame is provided with an annular protrusion, which has a through hole for one end of the reed tube to be obliquely penetrated and fixed. A convenient cable changing hub as described in claim 9, wherein the fixing frame further includes a first guard ring and a second guard ring assembled with the first guard ring, the first guard ring is hollow, and one end of the first guard ring is inserted into the through hole, and the second guard ring is sleeved on one end of the first guard ring.