A positive and negative rotation elastic cord device

Abstract

The present application relates to the technical field of daily necessities, and discloses a positive and negative rotation tight and loose rope device, which comprises a knob, a ratchet disc, a wheel bin, a clutch part and a thread wheel. The tight and loose rope device is assembled by the knob, the ratchet disc, the wheel bin, the clutch part and the thread wheel, and can realize the purpose of tight and loose rope through positive and negative rotation of the knob. When the two ends of the rope are wound on the thread groove through the thread hole of the thread passing table, the tight and loose state can be switched through positive or negative rotation of the knob. When the knob is positively rotated, the clutch part and the thread wheel are in meshing state, so that the thread wheel can be positively rotated to establish the tight rope state. When the knob is negatively rotated, the wedge-shaped block of the clutch part is disengaged from the inner wall of the thread wheel through elastic deformation of the clutch part, so that the thread wheel can rotate freely to establish the loose rope state. The device has the tight state, the loose rope state and the tight state again, is convenient for daily use of users, and has high practical value.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of daily necessities, in particular to a positive and negative rotation tightening rope device. BACKGROUND

[0002] In daily life, fixing by means of a rope is a common fixing method used in shoes, medical braces or other daily necessities. Taking shoes as an example, when wearing sports shoes or canvas shoes, the common shoelace is threaded through the holes on the shoes and then tied tightly in a bow or other knot. During sports, the shoelace is prone to loosen, and it is even more inconvenient to tighten the shoelace when walking on the road or carrying many articles. Especially during sports, if the shoelace is loosened, accidents are likely to occur.

[0003] At present, a few daily necessities on the market have a shoelace tightening device, but the structure is complex, the accessories are small and numerous, resulting in complex manufacturing process, slow assembly, high manufacturing cost, poor stability, high scrap rate and poor use effect. During use, the operation is complex by using a forced unlocking mechanism. After tightening the rope, the mechanism can only be pulled up to be unlocked. The loosening and tightening of the rope cannot be connected, and the tightness of the rope cannot be adjusted. Due to the complex mechanical structure and space problems, the parts are small and extremely easy to break, resulting in safety problems such as sudden loosening of the rope, strangulation of the rope or cracking of the mechanism. SUMMARY

[0004] In view of the defects in the prior art, the purpose of the present application is to provide a positive and negative rotation tightening rope device, which can realize the purposes of tightening and loosening by positive and negative rotation, greatly improving the efficiency and facilitating use.

[0005] The technical scheme adopted by the present application is: a positive and negative rotation tightening rope device, comprising a knob, a pawl disc, a wheel bin, a clutch, and a line wheel. The inner surface of the knob is provided with control bone sites arranged at intervals with the knob center as the center. The outer periphery of the pawl disc is provided with a plurality of pawl arms arranged around the circumference thereof, and the end of the pawl arm is provided with a pawl tooth. The pawl disc is also provided with an arc-shaped slot for the control bone site to pass through, and rotating the knob can move the control bone site along the arc-shaped slot. The surface of the pawl disc away from the knob is also provided with two pairs of square grooves arranged perpendicular to each other. The inner wall of the upper end of the wheel bin is provided with a ratchet tooth matched and engaged with the pawl tooth. The inner part of the lower end of the wheel bin is provided with a containing cavity for accommodating the line wheel. The side of the containing cavity close to the ratchet tooth is provided with symmetrically arranged triangular buckle sites.

[0006] The clutching member comprises a clutching ring capable of being elastically deformed in the radial direction thereof, and positioning blocks are arranged on the outer side of the clutching ring corresponding to the positions of the square grooves, the positioning blocks being capable of being slidably matched with the square grooves, wherein a pair of oppositely arranged positioning blocks are provided with wedge-shaped stop blocks on the outer side thereof, and the other pair of oppositely arranged positioning blocks are provided with elastic arms on the outer side thereof, the wedge-shaped stop blocks extending beyond the outer periphery of the pawl disc, and the elastic arms being capable of being abutted against the two triangular buckle positions during the rotation of the clutching ring.

[0007] The wire wheel is rotatably arranged in the accommodating cavity from the lower end of the wheel bin, and the inner peripheral wall of the upper end of the wire wheel is provided with circumferential teeth capable of being meshed with the end of the wedge-shaped stop block, the wedge-shaped stop block being capable of being separated from the circumferential teeth when the clutching ring is elastically deformed to be shortened.

[0008] In the technical solution, the knob, the pawl disc, the wheel bin, the clutching member and the wire wheel are assembled to achieve the purpose of tightening or loosening the rope by rotating the knob in the forward or reverse direction, which is more convenient and faster in use. The knob and the pawl disc are matched with each other in the up-down direction to control the bone position to be clamped into the corresponding arc-shaped groove. The pawl disc is assembled to the upper end of the wheel bin so that the pawl teeth are meshed with the ratchet teeth on the upper end of the wheel bin. The wire wheel is clamped into the accommodating cavity from the lower end of the wheel bin, and the clutching member is arranged between the pawl disc and the wire wheel. The clutching member is a clutching ring with elasticity. The positioning blocks on the outer side of the clutching ring are slidably matched with the square grooves on the lower end of the pawl disc. A pair of wedge-shaped stop blocks arranged on the positioning blocks are capable of being meshed with the circumferential teeth of the wire wheel. The elastic arms are capable of being abutted against the triangular buckle positions of the wheel bin during the rotation of the clutching member. During use, the tight rope state and the loose rope state can be switched by rotating the knob in the forward or reverse direction. When the knob is rotated in the forward direction, the clutching member and the wire wheel are in the meshing state, so that the wire wheel is rotated in the forward direction to establish the tight rope state. When the knob is rotated in the reverse direction, the wedge-shaped stop blocks are separated from the circumferential teeth on the inner periphery of the wire wheel by the elastic deformation of the clutching member, so that the wire wheel can be freely rotated to establish the loose rope state. The technical solution has the advantages of the tight rope state, the loose rope state and the rope loosening state, which is convenient for users in daily use.

[0009] Further, the outer periphery of the knob is provided with anti-skid lines arranged around the outer periphery of the knob.

[0010] Further, the outer periphery of the wheel bin is provided with a fixing ring protrusion arranged around the wheel bin. The inner wall of the upper end of the knob is provided with a fixing buckle capable of being clamped below the fixing ring protrusion to prevent the knob from falling off.

[0011] Further, the wheel bin is provided with a plurality of rope clamping tables arranged at intervals corresponding to the outer periphery of the accommodating cavity. The outer periphery of the wire wheel is provided with wire grooves arranged around the outer periphery. The surface of the wire grooves is provided with a rope clamping hole corresponding to each rope clamping table. The wire wheel is provided with a rope clamping channel communicated with the rope clamping hole, the rope clamping channel being arranged in a U shape.

[0012] Furthermore, the inner side of the lower end of the wheel chamber is provided with a positioning buckle arranged opposite to it, and the outer periphery of the spool is provided with a clearance groove that moves in conjunction with the positioning buckle. When the clearance groove of the spool is aligned with the positioning buckle, it can be inserted into the receiving cavity, and at the same time, the rope threading platform and the rope threading hole can be aligned.

[0013] Furthermore, the lower outer periphery of the wheel well is provided with fixed card platforms arranged opposite to each other, one large and one small, and the end face of the wheel well is provided with strip-shaped markings on both sides corresponding to the larger fixed card platform.

[0014] Furthermore, the lower end face of the reel is provided with observation holes on both sides of one of the clearance slots, and positioning marks are provided on both sides of the other clearance slot, the positioning marks being able to be directly opposite the bar mark.

[0015] Furthermore, it also includes a base, the upper end of which is provided with a fixing ring platform, the bottom of which is provided with an installation slot that fits into the fixing card platform, and the fixing ring platform is also provided with a rope threading slot arranged opposite to the rope threading platform.

[0016] Furthermore, the base is provided with a clearance groove at the bottom of the corresponding fixing ring to accommodate the positioning buckle.

[0017] Furthermore, the upper end of the fixed ring platform is provided with a disassembly slot above the mounting groove.

[0018] The beneficial effects of this invention are as follows: This invention, through the assembly of a knob, ratchet disc, wheel chamber, clutch, and reel, enables the tightening and loosening of the rope by simply rotating the knob in both directions. After the two ends of the rope are wound into the groove through the rope threading hole from the rope threading platform, the tightening and loosening states can be switched by rotating the knob in either direction. When the knob is rotated in the forward direction, it drives the ratchet disc and clutch to rotate in the forward direction. Since the clutch is engaged with the reel, the reel rotates in the forward direction to establish a tightened state. When the knob is rotated in the reverse direction, it drives the ratchet disc to rotate, and the clutch undergoes elastic deformation due to frictional resistance, causing the wedge-shaped stop to disengage from the inner circumference of the reel, allowing the reel to rotate freely and thus establishing a loosened state. This device has tightening, loosening, and rewinding states, making it convenient for users in daily use and possessing high practical value. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0020] Figure 1 A perspective view of the knob of the forward and reverse tensioning rope device provided in a specific embodiment of the present invention.

[0021] Figure 2 Pawl disc perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 1 .

[0022] Figure 3 Pawl disc perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 2 .

[0023] Figure 4 Clutch piece perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application

[0024] Figure 5 Wheel bin perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 1 .

[0025] Figure 6 Wheel bin perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 2 .

[0026] Figure 7 Wire wheel perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 1 .

[0027] Figure 8 Wire wheel perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 2 .

[0028] Figure 9 Base perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application

[0029] Figure 10 Pawl disc and clutch piece cooperation perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application

[0030] Figure 11 Pawl disc and wheel bin cooperation perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application

[0031] Figure 12 Clutch piece and wheel bin cooperation perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application

[0032] Figure 13 Wire wheel and wheel bin cooperation perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 1 .

[0033] Figure 14 Wire wheel and wheel bin cooperation perspective of the positive and reverse rotation tightrope device provided for the specific embodiments of the present application Figure 2 .

[0034] Figure 15 The assembly perspective view of the positive and reverse rotation elastic rope device is provided for the specific embodiment of the present application.

[0035] Figure 16 The rope threading schematic view of the positive and reverse rotation elastic rope device is provided for the specific embodiment of the present application.

[0036] Figure 17 The explosion view of the positive and reverse rotation elastic rope device is provided for the specific embodiment of the present application.

[0037] The figure mark: knob 100, control bone position 110, fixed buckle 120, pawl disc 200, pawl arm 210, pawl tooth 211, arc-shaped slot 220, square slot 230, wheel bin 300, ratchet 310, rope threading table 320, triangular buckle position 330, fixed ring convex 340, fixed card table 350, positioning buckle position 360, strip-shaped mark 370, clutch 400, clutch ring 410, wedge-shaped stop block 421, elastic small arm 422, line wheel 500, circumferential tooth 510, line slot 520, rope threading hole 530, observation hole 540, rope threading channel 541, avoidance slot 550, positioning mark 560, base 600, fixed ring table 610, installation buckle slot 620, rope threading buckle slot 630, disassembly buckle 640. DETAILED DESCRIPTION

[0038] Here, it is to be noted that the functions, methods and the like involved in the present application are only the conventional adaptive application of the prior art. Therefore, the improvement of the present application to the prior art is in the connection relationship between the hardware. The description of the functions and methods of the present application is to better illustrate the present application, so as to better understand the present application.

[0039] The embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0040] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should be the usual meaning understood by the skilled in the art to which the present application belongs.

[0041] Embodiment one

[0042] As Figures 1 to 9As shown, the embodiment one provides a positive and reverse rotation tight rope device for the purpose of tight rope and send rope by rotation and reverse rotation; specifically comprising knob 100, pawl disc 200, wheel bin 300, clutch 400, line wheel 500; knob 100 inner surface is provided with control bone site 110 arranged in relative interval with knob 100 center as center; the outer periphery of the pawl disc 200 is provided with a plurality of pawl arms 210 arranged around its circumference, the outer periphery of the pawl arm 210 is provided with pawl teeth 211, the pawl disc 200 is also provided with an arc slot 220 for the control bone site 110 to pass through, rotating the knob 100 can make the control bone site 110 move along the arc slot 220; the surface of the pawl disc 200 away from the knob 100 is also provided with two pairs of square grooves 230 arranged perpendicular to each other; the inner wall of the upper end of the wheel bin 300 is provided with ratchet teeth 310 matched with the pawl teeth 211, the inner part of the lower end of the wheel bin 300 is provided with a containing cavity containing the line wheel 500, the wheel bin 300 is provided with a plurality of rope feeding platforms 320 arranged at intervals corresponding to the containing cavity, the side of the containing cavity close to the ratchet teeth 310 is provided with symmetrically arranged triangular buckle sites 330; the outer side of the clutch ring 410 is provided with positioning blocks 420 corresponding to the positions of each square groove 230, the positioning blocks 420 can be slidably matched with the square grooves 330, one pair of oppositely arranged positioning blocks 420 are provided with wedge-shaped stop blocks 421 on the outer side, the other pair of oppositely arranged positioning blocks 420 are provided with elastic small arms 422 on the outer side, the end of the wedge-shaped stop block 421 extends out of the outer periphery of the pawl disc 200, the end of the elastic small arm 422 can abut against the two triangular buckle sites 330 during the rotation of the clutch ring 410; the line wheel 500 is rotatably installed in the containing cavity from the lower end of the wheel bin 300, and the inner wall of the upper end of the line wheel 500 is provided with circumferential teeth 510 matched with the end of the wedge-shaped stop block 421, the wedge-shaped stop block 421 can be separated from the circumferential teeth 510 when the clutch ring 410 is elastically deformed and shrunk; the outer periphery of the line wheel 500 is provided with circumferentially arranged line grooves 520, the surface of the line groove 520 is provided with a rope feeding hole 530 corresponding to each rope feeding platform, the line wheel is provided with a rope feeding channel 541 communicating with the rope feeding hole, and the rope feeding channel 541 is arranged in U shape.

[0043] As Figures 1 to 9As shown, through the above configuration, this embodiment uses a knob 100, a ratchet disc 200, a wheel chamber 300, a clutch 400, and a reel 500 to achieve the purpose of tightening or loosening the rope by rotating the knob 100 in both directions, making it quicker and more convenient to use. According to the aforementioned configuration, the knob 100 and the ratchet disc 200 are fitted together so that the control rib 110 at the lower end of the knob 100 engages with a corresponding arc-shaped groove 220 in the ratchet disc 200. The ratchet disc 200 is assembled to the upper end of the wheel chamber 300, so that the ratchet teeth 211 mesh with the ratchet teeth 310 at the upper end of the wheel chamber 300. The reel 500 is inserted into the receiving cavity from the lower end of the wheel chamber 300, and the clutch 400 is installed between the ratchet disc 200 and the reel 500. Between 0 and 0, the positioning blocks 420 of the clutch 400 slide in the square groove of the ratchet disc. The wedge-shaped stop 421 located outside the positioning block 420 meshes with the circumferential teeth 510 of the reel 500. When the two ends of the tether pass through the rope hole 530 from the rope threading platform 320, the tether is threaded into the rope threading channel 541. Since the two ends of the tether are U-shaped and threaded into the reel, the firmness of the rope threading is improved, and the tether is prevented from coming loose. After the tethering operation is completed, as follows: Figure 16 As shown. After the rope is wound into the groove 520, it can be switched between a tight and loose state by rotating the knob 100 clockwise or counterclockwise. When the knob 100 is rotated clockwise, it drives the pawl disc 200 and the clutch 400 to rotate clockwise. Since the wedge-shaped stop 421 of the clutch 400 is engaged with the circumferential teeth on the inner circumference of the reel 500, the reel 500 can be rotated clockwise to establish a tight rope state. When the knob 100 is rotated counterclockwise, the control position of the knob 100 drives the pawl disc and the clutch to rotate counterclockwise. Since the elastic arm of the clutch 400 abuts against the triangular buckle 330, the clutch 400 undergoes radial elastic deformation and shrinks due to frictional resistance, further disengaging the wedge-shaped stop 421 from the circumferential teeth on the inner circumference of the reel 500, allowing the reel 500 to rotate freely to establish a loose rope state. This device has a tight state, a loose state, and a rope loosening and tightening state, which is convenient for daily use.

[0044] like Figure 1 As shown, in order to facilitate the rotation of the knob 100 in both directions, this embodiment has anti-slip textures arranged around the outer periphery of the knob 100.

[0045] As described above, the knob 100 and the pawl plate 200 are assembled and installed on the upper end of the wheel bin 300. In order to avoid the knob 100 from falling off while ensuring that it remains rotatable, the present embodiment is provided with a fixed ring protrusion 340 arranged around the wheel bin 300 on the outer periphery of the wheel bin 300. The inner wall of the upper end of the wheel bin 300 into which the knob 100 is clamped is provided with a fixed clasp 120, which can be clamped below the fixed ring protrusion 340 to prevent the knob 100 from falling off. When the knob 100 is clamped into the upper end of the wheel bin 300, the fixed clasp 120 and the fixed ring protrusion 340 are movably matched to form an integrated assembly structure of the knob 100 and the wheel bin 300.

[0046] As described above, the wire wheel 500 and the clutch 400 are assembled and installed into the accommodating cavity from the lower end of the wheel bin 300. The inner side of the lower end of the wheel bin 300 is provided with oppositely arranged positioning clamping positions 360, and the outer periphery of the wire wheel 500 is provided with avoidance notches 550 movably matched with the positioning clamping positions 360. When the avoidance notches 550 of the wire wheel 500 are matched with the positioning clamping positions 360, the wire wheel 500 can be clamped into the accommodating cavity, and the threading platform 320 can be aligned with the threading hole 530. In this way, the positioning clamping positions 360 can form a positioning assembly structure. When the wire wheel 500 is assembled and installed into the accommodating cavity in the wheel bin 300, the threading platform 320 is aligned with the threading hole 530, which facilitates the threading of the tether into the wire wheel 500 from the outside.

[0047] As Figures 1 to 9 shown, in order to facilitate the installation of the entire assembly, the present embodiment is provided with fixed clamping platforms 350 arranged in pairs and arranged in large and small sizes on the outer periphery of the lower end of the wheel bin 300, which are used to install the wheel bin 300. In actual application, in order to facilitate the threading operation, the present embodiment is provided with strip-shaped marks 370 on the two sides of the large fixed clamping platform 350 on the end face of the wheel bin 300. The lower end face of the wire wheel 500 is provided with observation holes 540 on the two sides of one of the avoidance notches 550 and positioning marks 560 on the two sides of the other avoidance notches 550, which can be aligned with the strip-shaped marks 370. The structures of the observation holes 540 and the positioning marks 560 can ensure the convenience of the tether operation.

[0048] Embodiment Two

[0049] As Figure 9As shown, the embodiment provides a base 600 of an assembly, the upper end of the base 600 is provided with a fixed ring table 610, the inner bottom of the fixed ring table 610 is provided with a mounting clamping groove 620 matched with the fixed clamping table 350, and the fixed ring table 610 is further provided with a rope clamping groove 630 arranged opposite to the rope passing table 320. In this way, when the knob 100, the pawl disc 200, the wheel bin 300, the clutch 400 and the line wheel 500 are assembled, the fixed clamping table 350 at the lower end of the wheel bin 300 can be clamped into the mounting clamping groove 620 in the fixed ring, so as to ensure the stability of the entire assembly. In addition, since the wheel bin 300 is provided with a positioning buckle 360 at the bottom, in order to avoid interference of the base 600, the embodiment is provided with an avoidance groove accommodating the positioning buckle 360 at the inner bottom of the fixed ring table 610 of the base 600. In actual application, in order to facilitate disassembly of the assembly, the embodiment is provided with a disassembly clamping hole 640 above the mounting clamping groove 620 at the upper end of the fixed ring table 610. The disassembly clamping hole 640 is arranged to facilitate disassembly of the wheel bin 300, and facilitate users to perform other operations.

[0050] Embodiment three

[0051] According to the assembly structure and the base structure provided in embodiment one and embodiment two, the mounting and assembly steps of the device are as follows:

[0052] A. First, the pawl disc 200 is assembled into the upper end of the wheel bin 300, so that the pawl teeth 211 at the outer periphery of the pawl arm 210 tail end are engaged with the ratchet teeth 310 on the inner peripheral wall of the upper end of the wheel bin 300. As shown. Figures 10 to 14

[0053] B. Two control bones 110 on the inner end surface of the knob 100 are respectively inserted into the arc-shaped grooves 220 on the pawl disc 200, and the fixed clamping buckle 120 on the inner circumferential edge of the knob 100 is placed on the fixed ring convex 340 of the wheel bin 300, and the knob 100 is buckled into the waist position of the wheel bin 300 by pressing them tightly. In this way, the three parts can be assembled into an assembly.

[0054] ​C. Install the clutch 400 into the lower end of the ratchet disc 200. The assembly method is as follows: turn the control bone position 110 in the knob 100 to the end of the arc groove 220 on the ratchet, and insert the wedge-shaped stop 421 and the elastic small arm 422 in the clutch 400 into the square groove 230 respectively. Insert the spool 500 into the reel chamber 300, with the side of the spool 500 with the circumferential teeth 510 facing inwards from the reel chamber 300. Align the two clearance slots 550 in the spool 500 with the positioning latches 360 in the reel chamber 300 to place the spool 500 into the receiving cavity. After pressing it all the way down, turn the knob 100. The two control ribs 110 on the knob 100 will drive the pawl disc 200 and the clutch 400 to rotate. During rotation, when the two wedge-shaped stops 421 on the clutch 400 match the circumferential teeth 510 on the spool 500, the clutch 400 engages between the spool 500 and the pawl disc 200. At this time, the assembly relationship between the wedge-shaped stops 421 in the clutch 400 and the spool 500 is as follows: Figure 12 As shown. The assembly relationship between the elastic arm 422 in the clutch 400 and the ratchet disc 200 is as follows. Figure 10 As shown. The assembly relationship between the clutch 400, the ratchet disc 200, and the reel 500 is as follows. Figure 13 and 14 As shown (clutch 400 is sandwiched between ratchet disc 200 and reel 500, and functions as a clutch).

[0055] D. Thread the thin rope of the appropriate material into the two rows of rope holes 530 of the spool 500. The rope threading method is as follows: Turn the knob 100 clockwise. The control bone 110 in the knob 100 drives the pawl disc 200 and the clutch 400 to rotate. The wedge-shaped stop 421 in the clutch 400 meshes with the circumferential teeth 510 in the spool 500, which will drive the spool 500 to rotate clockwise. During the rotation, align the two positioning marks 560 in the spool 500 with the bar mark 370 in the spool chamber 300. At this time, the rope holes 530 on the spool 500 can be seen through the rope threading platform 320 of the spool chamber 300. Thread the thin rope through the rope-threading platform 320 in the reel compartment 300, then through the rope-threading hole 530 on the reel 500. Thread the rope to one end and exit from the other side of the hole. Then, thread the rope end back into the rope-threading hole 530 on the same side. When you can see the rope end protruding from the outer rope-threading hole 530 of the reel 500 through the observation hole 540, pull the rope taut from the outside to securely fix it to the reel 500. Thread the other end of the rope into the hole on the other side of the reel 500 using the same method to secure this end of the rope to the reel 500 as well.

[0056] E. The above rope-wearing knob 100 assembly (including knob 100, ratchet disc 200, wheel bin 300, clutch 400 and line wheel 500, etc. 5 parts) is installed into the base 600. Assembly method: first, align the fixed card table 350 on the wheel bin 300 in the assembly with the installation card slot 620 on the base 600, slightly press them together until you hear a "click" sound, at this time the knob 100 assembly is assembled with the base 600 in place, and the effect after assembly is as shown in Figure 15

[0057] Example four

[0058] This embodiment provides a specific implementation of the specific functions of the device:

[0059] Tighten the tether: turn the knob 100 clockwise, the two control bones 110 in the knob 100 will rotate to the end position of the arc-shaped slot 220 in the ratchet disc 200, the control bones of the knob 100 will push the ratchet disc 200 to rotate clockwise, the square slot 230 in the ratchet disc 200 will drive the wedge-shaped block 421 and the elastic small arm 422 in the clutch 400 to rotate clockwise, thereby driving the clutch 400 to rotate clockwise. The wedge-shaped block 421 in the clutch 400 is now at the position of the knob 100 control bone 110 top inside the arc-shaped slot 220 in the ratchet disc 200, the wedge-shaped block 421 is engaged with the circumference of the line wheel 500, thereby driving the line wheel 500 to rotate clockwise, thereby achieving the purpose of tightening the tether. At this time, the ratchet teeth 211 in the ratchet disc 200 are in contact with the tooth surface of the ratchet teeth 310 in the wheel bin 300, fixing the system composed of the wheel bin 300, the ratchet disc 200, the clutch 400 and the line wheel 500, which can prevent the system from rotating counterclockwise, thereby achieving the purpose of tightening the tether without loosening.

[0060] Loosen the tether: turn the knob 100 counterclockwise (during the rotation of the knob 100, the ratchet teeth 211 in the ratchet disc 200 are in contact with the tooth surface of the ratchet teeth 310 in the wheel bin 300, and the ratchet disc 200 is fixed relative to the wheel bin 300), the two control bones 110 in the knob 100 are counterclockwise along the arc-shaped slot 220 in the ratchet disc 200 into the other end of the arc-shaped slot 220, the outer side of the control bone 110 will push the inner side wall of the clutch ring 410 in the clutch 400, so that the elastic small arm 422 of the clutch 400 moves outward along the square slot 230 in the ratchet disc 200, the elastic small arm 422 is deformed radially through the clutch ring 410, causing the wedge-shaped block 421 to move inward along the square slot 230, so that the wedge-shaped block 421 is out of contact with the circumferential teeth 510 in the line wheel 500, thereby making the line wheel 500 free in the circumferential direction, so as to achieve the purpose of loosening the tether.

[0061] ​From the loose rope to the tightening rope: in the beginning state of the process, the two control bones 110 in the knob 100 are at the end of the arc-shaped slot 220 in the pawl disc 200. At this time, the knob 100 is turned clockwise, and because the inner wall of the elastic small arm 422 of the clutch 400 is in close contact with the outer wall of the control bone 110 of the knob 100, the friction between them is large, and the outer wall of the control bone 110 will drive the clutch 400 to rotate clockwise through the friction, and the clutch 400 drives the pawl disc 200 to rotate clockwise through the elastic small arm 422. When the clutch 400 rotates to the position where the elastic small arm 422 touches the triangular buckle 330 on the wheel bin 300, the triangular buckle 330 will block the elastic small arm 422 from continuing to rotate, and at this time the control bone 110 of the knob 100 is displaced from the clutch 400. Continue to turn the knob 100, and the control bone 110 reaches the other end position in the pawl arc-shaped slot 220. At this time, the wedge-shaped block 421 on the clutch 400 is pushed by the control bone 110 to the direction of the circumferential teeth 510 of the line wheel 500, so that the wedge-shaped block 421 is engaged with the circumferential teeth 510, thereby driving the line wheel 500 to rotate clockwise, winding the rope head fixed in the line wheel 500 into the line groove 520, and achieving the purpose of tightening the rope.

[0062] In the description of the present application, a large number of specific details are described. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, systems and techniques are not shown in detail in order not to obscure the understanding of the present description.

[0063] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

Claims

1. A reversible tensioning and untensioning rope device, characterized in that, Includes a knob (100), a ratchet disc (200), a wheel chamber (300), a clutch (400), and a spool (500); The inner surface of the knob (100) is provided with control bone positions (110) arranged at intervals with the center of the knob (100) as the center; The pawl disc (200) has a plurality of pawl arms (210) arranged around its circumference. The pawl arms (210) have pawl teeth (211) at their ends. The pawl disc (200) also has an arc-shaped groove (220) through which the control bone position (110) passes. Rotating the knob (100) allows the control bone position (110) to move along the arc-shaped groove (220). The surface of the pawl disc (200) facing away from the knob (100) also has two pairs of square grooves (230) arranged perpendicularly to each other. The upper inner peripheral wall of the wheel chamber (300) is provided with a ratchet (310) that meshes with the pawl (211). The lower interior of the wheel chamber (300) is provided with a receiving cavity for accommodating the spool (500). The receiving cavity is provided with symmetrically arranged triangular buckles (330) on the side near the ratchet (310). The clutch (400) includes a clutch ring (410) capable of elastic deformation along its radial direction. A positioning block (420) is provided on the outer side of the clutch ring (410) corresponding to each square groove (230). The positioning block (420) can slide and engage with the square groove (330). A pair of oppositely arranged positioning blocks (420) are provided with a wedge-shaped stop (421) on their outer side, and another oppositely arranged positioning block (420) is provided with an elastic arm (422) on its outer side. The end of the wedge-shaped stop (421) extends out of the outer periphery of the pawl disc (200), and the end of the elastic arm (422) can abut against the two triangular buckles (330) during the rotation of the clutch ring (410). The spool (500) is rotatably mounted in the receiving cavity from the lower end of the spool (300), and the inner circumferential wall of the upper end of the spool (500) is provided with circumferential teeth (510) that mesh with the end of the wedge-shaped stop (421). When the clutch ring (410) deforms and shrinks, the wedge-shaped stop (421) can separate from the circumferential teeth (510).

2. The forward and reverse tensioning rope device according to claim 1, characterized in that, The wheel chamber (300) has a rope threading platform (320) arranged at intervals on the outer periphery of the corresponding receiving cavity. The spool (500) has a circumferentially arranged wire groove (520) on its outer periphery. The surface of the wire groove (520) has a rope threading hole (530) corresponding to each rope threading platform (320). The spool (500) has a rope threading channel (541) connecting the rope threading hole (541) inside. The rope threading channel (541) is arranged in a U-shape.

3. The forward and reverse tensioning rope device according to claim 1, characterized in that, The knob (100) is provided with anti-slip textures around its outer periphery.

4. The forward and reverse tensioning rope device according to claim 1, characterized in that, The outer periphery of the wheel well (300) is provided with a fixed annular protrusion (340) arranged around the wheel well (300). The knob (100) is fitted into the inner wall of the upper end of the wheel well (300) and is provided with a fixed buckle (120). The fixed buckle (120) can be fitted into the lower part of the fixed annular protrusion (340) to prevent the knob (100) from falling off.

5. The forward and reverse tensioning rope device according to claim 1, characterized in that, The lower inner side of the wheel chamber (300) is provided with a positioning buckle (360) arranged opposite to each other. The outer periphery of the spool (500) is provided with a clearance groove (550) that is movably matched with the positioning buckle (360). When the clearance groove (550) of the spool (500) is aligned with the positioning buckle (360), it can be inserted into the receiving cavity. At the same time, the rope threading platform (320) and the rope threading hole (530) can be directly opposite each other.

6. The forward and reverse tensioning rope device according to claim 5, characterized in that, The lower outer periphery of the wheel well (300) is provided with fixed card platforms (350) arranged opposite to each other, one large and one small, and the end face of the wheel well (300) is provided with strip-shaped markings (370) on both sides corresponding to the larger fixed card platform (350).

7. The forward and reverse tensioning rope device according to claim 6, characterized in that, The lower end face of the reel (500) is provided with observation holes (540) on both sides of one of the clearance slots (550), and is also provided with positioning marks (560) on both sides of the other clearance slot (550). The positioning marks (560) can be directly opposite the bar mark (370).

8. The reversible tensioning and loosening rope device according to any one of claims 1-6, characterized in that, It also includes a base (600), the upper end of which is provided with a fixing ring platform (610), the bottom of which is provided with an installation slot (620) that fits with the fixing card platform (350), and the fixing ring platform (610) is also provided with a rope threading slot (630) arranged opposite to the rope threading platform (320).

9. The forward and reverse tensioning rope device according to claim 8, characterized in that, The base (600) has a clearance groove at the bottom of the corresponding fixed ring platform (610) to accommodate the positioning buckle (360).

10. The forward and reverse tensioning rope device according to claim 8, characterized in that, The upper end of the fixed ring platform (610) is provided with a disassembly slot (640) above the mounting slot (620).

Images