CN212880746U

CN212880746U - Skipping rope handle

Info

Publication number: CN212880746U
Application number: CN202021637315.4U
Authority: CN
Inventors: 周武; 王志力
Original assignee: Yueqing Qiming Electric Co ltd
Current assignee: Yueqing Qiming Electric Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-06
Anticipated expiration: 2030-08-07

Abstract

The application relates to a rope skipping handle, which comprises a fixed seat, a rotating head and a holding handle; the rotating head comprises a rope guide pipe, a constraint casing and a rotating seat; the rope guide pipe is provided with a rope threading hole for a rope skipping line to pass through; two limiting holes are formed in the inner wall of the rope threading hole, and steel balls are arranged in the two limiting holes; the two limiting holes are respectively arranged on the inner walls of two opposite sides of the rope threading hole and are arranged at intervals along the length direction of the rope threading hole; a limiting inclined plane inclined towards one end of the rope guide pipe is arranged on the inner side of the constraint casing; the outer side end of the steel ball is mutually abutted with the limit inclined plane; utilize the spring extrusion rope guide, make the steel ball move towards the rope handling hole inboard under the extrusion of spacing inclined plane to utilize two steel balls to extrude rope skipping line to fix, and two steel balls extrude rope skipping line relative both sides behind one another, make rope skipping line be the extension of S type curve, avoid because of the too concentrated harm of accelerating rope skipping line surface PVC layer of extrusion point, prolong rope skipping line' S life.

Description

Skipping rope handle

Technical Field

The application relates to the technical field of skipping rope equipment, in particular to a skipping rope handle.

Background

The skipping rope is an aerobic exercise, can consume redundant fat in the body, is simple in method and free from the influence of weather, can achieve the purposes of losing weight and slimming and exercising by only needing one rope, and is an exercise suitable for all people.

In the self-locking skipping rope in the related technology, a plurality of steel balls or elastic sheets are adopted to clamp and fix a skipping rope line along the same radial plane, a plurality of extrusion points are too close to each other, in addition, an axial tension and a radial rotation force can be generated in the rotation process of the skipping rope, and the axial tension can enable the clamping point to have higher strength through the wedge-shaped matching of an inclined plane and the steel balls; and radial rotary force is far greater than the grinding force of the clamping point, so that the skipping rope can rotate, the clamping point has a circumferential cutting effect similar to that of a PVC layer on the surface of a skipping rope line, and the PVC layer is easily cut off completely to expose the steel wire inside.

SUMMERY OF THE UTILITY MODEL

To the not enough that correlation technique exists, this application provides a rope skipping handle, has the effect that reduces the damage to rope skipping line surface.

The application provides a rope skipping handle adopts following technical scheme:

a rope skipping handle comprises a fixed seat, a rotating head rotatably connected to one end of the fixed seat, and a holding handle fixedly connected to the other end of the fixed seat; the rotating head comprises a rope guide pipe, a constraint casing and a rotating seat; the rope guide pipe is provided with a rope threading hole for a rope skipping line to pass through; two limiting holes penetrating outwards are formed in the inner wall of the rope threading hole, and steel balls are arranged in the two limiting holes; the two limiting holes are respectively arranged on the inner walls of two opposite sides of the rope threading hole and are arranged at intervals along the length direction of the rope threading hole; the rope guide pipe is arranged in the constraint casing in a sliding manner, and the inner side of the constraint casing is provided with a limiting inclined plane inclined towards one end of the rope guide pipe; the outer side end of the steel ball is mutually abutted with the limit inclined plane; and a spring for extruding the rope guide pipe towards the direction of the limiting inclined plane is arranged on the rotating seat.

By adopting the technical scheme, when the rope skipping line is to be fixed, the rope skipping line penetrates through the rope penetrating hole, the spring is used for extruding the rope guide pipe, the steel balls move towards the inner side of the rope penetrating hole under the extrusion action of the limiting inclined plane, so that the rope skipping line is fixed by extruding the two steel balls, the two steel balls extrude the two opposite sides of the rope skipping line in tandem, the rope skipping line extends in an S-shaped curve, and the movement of the rope skipping line along the length direction of the rope penetrating hole is limited; meanwhile, the damage to the PVC layer on the surface of the skipping rope line, which is aggravated by over concentration of the extrusion points, can be avoided, so that the service life of the skipping rope line is prolonged.

Preferably, an extension rod is arranged at one end of the rotating seat facing the fixed seat, and a bearing is sleeved outside the extension rod; the bearing comprises an inner ring and an outer ring, the outer ring is fixedly connected to the inner side of the rotating seat, and the inner ring is fixedly connected to the outer side of the extension rod.

Through adopting above-mentioned technical scheme, utilize the bearing to increase the rotation performance of rotating the head, and adopt single bearing to compare in the setting of duplex bearing, can effectively avoid the eccentric problem that current duplex bearing structure exists, and eccentric problem can increase two bearings pivoted resistance simultaneously, provides power for taking place the rotation phenomenon.

Preferably, the end of the extension rod is fixedly connected with an inner limiting ring, and the inner limiting ring is extruded on the rotating seat towards one end of the rotating seat.

Through adopting above-mentioned technical scheme, utilize interior spacing ring to carry on spacingly to the inner ring of bearing, increase the connection steadiness between inner ring and the extension rod.

Preferably, a circle of convex edge is arranged on the inner side of the fixed seat, and one end, facing the fixed seat, of the outer ring abuts against the convex edge; the inner side of one end, far away from the rotating seat, of the fixing seat is fixedly connected with an outer limiting ring, and the outer limiting ring extrudes the outer ring on the convex edge.

Through adopting above-mentioned technical scheme, utilize outer spacing ring to carry on spacingly to the outer loop of bearing, increase the connection steadiness between outer loop and the fixing base.

Preferably, an inwardly contracted spherical limiting surface is arranged at the edge of one end, close to the stringing hole, of the limiting hole; when the steel ball is abutted against the spherical limiting surface, the distance between the end part of the steel ball penetrating through the limiting hole and the inner wall of the opposite rope threading hole is smaller than the diameter of the rope skipping line.

By adopting the technical scheme, the distance of the steel ball moving inwards along the limiting hole is limited by the spherical limiting surface, and the steel ball is prevented from falling out of the limiting hole through the rope threading hole.

Preferably, the diameter of the steel ball is larger than that of the rope threading hole.

Through adopting above-mentioned technical scheme, avoid the steel ball to fall out spacing hole through the wire rope handling hole.

Preferably, the end of the rope guide tube outside the constraining sheath is provided with a pressing block.

Through adopting above-mentioned technical scheme, utilize and press the briquetting and be convenient for the operator to press the rope guide pipe in the restraint cover shell to make the steel ball paste spacing inclined plane and move outwards, so that the rope line of jumping is taken off in the pine.

Preferably, the fixed seat is in a hollow sleeve shape; and a through hole for the rope skipping line to pass through is arranged on the rotating seat along the axial lead in a penetrating manner.

By adopting the technical scheme, one end of the skipping rope line penetrating through the rope guide pipe can penetrate into the hollow holding handle, so that the redundant skipping rope line is convenient to store and release.

To sum up, the beneficial effect of this application is:

1. when the rope skipping line is to be fixed, the rope skipping line penetrates through the rope threading hole, the spring is used for extruding the rope guide pipe, the steel balls move towards the inner side of the rope threading hole under the extrusion action of the limiting inclined plane, so that the rope skipping line is fixed by utilizing the two steel balls to extrude the two opposite sides of the rope skipping line in tandem, the rope skipping line extends in an S-shaped curve, and the movement of the rope skipping line along the length direction of the rope threading hole is limited; meanwhile, the damage to the PVC layer on the surface of the skipping rope line, which is aggravated by over concentration of the extrusion points, can be avoided, so that the service life of the skipping rope line is prolonged;

2. the pressing block is used for facilitating an operator to press the rope guide pipe towards the inside of the constraint casing, so that the steel ball moves outwards along the limiting inclined plane to loosen and jump the rope line.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic illustration of the explosive structure of the present application;

FIG. 3 is a schematic view, partially in section, of the present application;

fig. 4 is an enlarged schematic view at a in fig. 3.

Description of reference numerals: 1. rotating the head; 11. a rope guide pipe; 111. a stringing hole; 112. a limiting hole; 1121. a spherical limiting surface; 113. a pressing block; 12. a restraint casing; 121. a limiting inclined plane; 13. a rotating seat; 131. a spring; 132. an extension rod; 1321. an inner limiting ring; 133. a through hole; 14. steel balls; 15. a bearing; 151. an inner ring; 152. an outer ring; 2. a fixed seat; 21. an outer limit ring; 22. a convex edge; 3. a grip; 4. rope skipping is carried out.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment discloses a rope skipping handle, as shown in fig. 1, including fixing base 2, rotate the rotation head 1 of connecting in fixing base 2 one end, fixed connection is in the grip 3 of the fixing base 2 other end. The rope skipping line 4 is fixed by the rotating head 1, and a user holds the two holding handles 3 with both hands and swings the two holding handles when skipping the rope, so that the rotating head 1 is used for driving the rope skipping line 4 to swing.

As shown in fig. 2, the grip 3 is tubular, the fixing base 2 is hollow and sleeve-shaped, and one end of the fixing base 2 is screwed to the inner side of the end of the grip 3. The rotating head 1 comprises a rope guide pipe 11, a constraint casing 12 and a rotating seat 13, wherein an extension rod 132 is integrally formed at one end of the rotating seat 13 facing the fixed seat 2, and a bearing 15 is sleeved outside the extension rod 132; the bearing 15 includes an inner ring 151 and an outer ring 152, the outer ring 152 is fixedly connected to the inner side of the rotary base 13, the inner ring 151 is fixedly connected to the outer side of the extension rod 132, so that the rotary head 1 can rotate relative to the fixed base 2 by the bearing 15. And adopt single bearing 15 to compare in the setting of duplex bearing 15, can effectively avoid the eccentric problem that current duplex bearing structure probably exists, and the eccentric problem can increase two bearings 15 pivoted resistances simultaneously, takes place the rotation phenomenon for rope skipping line 4 and provides power.

As shown in fig. 2 and 3, an inner limiting ring 1321 is connected to the outer side of the end of the extension rod 132 through a thread, and one end of the inner limiting ring 1321 facing the rotating seat 13 presses the inner ring 151 on the rotating seat 13 for limiting, so that the connection stability between the inner ring 151 and the extension rod 132 is improved. The inboard integrated into one piece of fixing base 2 has a round of protruding edge 22, and outer loop 152 is towards the one end butt of fixing base 2 on protruding edge 22, and the inboard block of one end that fixing base 2 kept away from the seat 13 of rotating is fixed with outer spacing ring 21, and outer spacing ring 21 extrudes outer loop 152 and carries out spacingly on protruding edge 22 to increase the connection steadiness between outer loop 152 and the fixing base 2.

As shown in fig. 3 and 4, the constraining sheath 12 covers the outside of the rotating base 13 and is fixed to the rotating base 13 by screw connection. The restricting sleeve 12 has a closed opening at one end away from the grip 3, the rope guide 11 is slidably disposed in the opening of the restricting sleeve 12 along the axial line, and the rotating seat 13 is provided with a spring 131 for pressing the rope guide 11 toward the opening.

As shown in fig. 3 and 4, a rope threading hole 111 through which the skipping rope 4 passes is formed in the rope guide 11 along the axial line, two limiting holes 112 penetrating outwards are formed in the inner wall of the rope threading hole 111, the two limiting holes 112 are respectively formed in the inner walls of two opposite sides of the rope threading hole 111 and are arranged at intervals along the length direction of the rope threading hole 111, and steel balls 14 are movably placed in the two limiting holes 112. A limiting inclined plane 121 which is inclined and contracted towards the opening end is formed on the inner side of the opening end of the restraining casing 12, the outer end of the steel ball 14 is abutted against the limiting inclined plane 121, when the rope skipping line 4 is to be fixed, the rope skipping line 4 passes through the rope threading hole 111, the rope guide pipe 11 is extruded by the spring 131, the steel ball 14 moves towards the inner side of the rope threading hole 111 under the extrusion action of the limiting inclined plane 121, so that the rope skipping line 4 is extruded by the two steel balls 14 for fixing, the two steel balls 14 extrude two opposite sides of the rope skipping line 4 in tandem, the rope skipping line 4 extends in an S-shaped curve, and the movement of the rope skipping line 4 along the length direction of the rope threading hole 111 is limited; meanwhile, the damage to the PVC layer on the surface of the skipping rope line 4, which is aggravated by the over-concentration of the extrusion points, can be avoided, so that the service life of the skipping rope line 4 is prolonged.

As shown in fig. 4, an inwardly contracted spherical position-limiting surface 1121 is formed at one end edge of the position-limiting hole 112 close to the stringing hole 111; when the steel ball 14 abuts against the spherical limiting surface 1121, the distance between the end of the steel ball 14, which penetrates out of the limiting hole 112, and the inner wall of the opposite rope threading hole 111 is smaller than the diameter of the rope skipping rope 4, and the spherical limiting surface 1121 is used for limiting the inward movement distance of the steel ball 14 along the limiting hole 112, so that the steel ball 14 is prevented from falling out of the limiting hole 112 through the rope threading hole 111. The steel ball 14 with a large diameter can also be adopted, so that the diameter of the steel ball 14 is larger than that of the rope threading hole 111, and the steel ball 14 can be prevented from falling out of the limiting hole 112 through the rope threading hole 111.

As shown in fig. 3, a pressing block 113 is fixedly connected to an end portion of the rope guide 11 located outside the constraining sheath 12, and the pressing block 113 facilitates an operator to press the rope guide 11 toward the constraining sheath 12, so that the steel ball 14 moves toward the outside against the limit slope 121 to release the jump rope 4.

As shown in fig. 3, a through hole 133 for the rope skipping line 4 to pass through is arranged on the rotating base 13 along the axial line, so that one end of the rope skipping line 4 passing through the rope guide 11 can pass through the hollow grip 3, and the storage and release of the redundant rope skipping line 4 are facilitated.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A rope skipping handle comprises a fixed seat (2), a rotating head (1) rotatably connected to one end of the fixed seat (2), and a holding handle (3) fixedly connected to the other end of the fixed seat (2); the rotating head (1) comprises a rope guide pipe (11), a constraint casing (12) and a rotating seat (13); a rope threading hole (111) for the rope skipping rope (4) to pass through is formed in the rope guide pipe (11); the method is characterized in that: two limiting holes (112) penetrating outwards are formed in the inner wall of the rope penetrating hole (111), and steel balls (14) are arranged in the two limiting holes (112); the two limiting holes (112) are respectively arranged on the inner walls of two opposite sides of the rope threading hole (111) and are arranged at intervals along the length direction of the rope threading hole (111); the rope guide pipe (11) is arranged in the constraint casing (12) in a sliding manner, and the inner side of the constraint casing (12) is provided with a limiting inclined plane (121) which inclines towards one end of the rope guide pipe (11); the outer side end of the steel ball (14) is mutually abutted with the limit inclined plane (121); the rotating seat (13) is provided with a spring (131) which extrudes the rope guide pipe (11) towards the direction of the limiting inclined plane (121).

2. The rope skipping handle of claim 1, wherein: an extension rod (132) is arranged at one end, facing the fixed seat (2), of the rotating seat (13), and a bearing (15) is sleeved on the outer side of the extension rod (132); the bearing (15) comprises an inner ring (151) and an outer ring (152), the outer ring (152) is fixedly connected to the inner side of the rotating seat (13), and the inner ring (151) is fixedly connected to the outer side of the extension rod (132).

3. The rope skipping handle of claim 2, wherein: the end part of the extension rod (132) is fixedly connected with an inner limiting ring (1321), and the inner limiting ring (1321) extrudes the inner ring (151) on the rotating seat (13) towards one end of the rotating seat (13).

4. The rope skipping handle of claim 2, wherein: a circle of convex edge (22) is arranged on the inner side of the fixed seat (2), and one end, facing the fixed seat (2), of the outer ring (152) is abutted against the convex edge (22); the fixing seat (2) is far away from the inner side of one end of the rotating seat (13) and is fixedly connected with an outer limiting ring (21), and the outer limiting ring (21) extrudes the outer ring (152) on the convex edge (22).

5. The rope skipping handle of claim 1, wherein: one end edge of the limiting hole (112) close to the rope threading hole (111) is provided with an inwardly contracted spherical limiting surface (1121); when the steel ball (14) abuts against the spherical limiting surface (1121), the distance between the end part of the steel ball (14) penetrating through the limiting hole (112) and the inner wall of the opposite rope threading hole (111) is smaller than the diameter of the rope skipping rope (4).

6. The rope skipping handle of claim 1, wherein: the diameter of the steel ball (14) is larger than that of the rope threading hole (111).

7. The rope skipping handle of claim 1, wherein: the end part of the rope guide pipe (11) positioned at the outer side of the constraint casing (12) is provided with a pressing block (113).

8. The rope skipping handle of claim 1, wherein: the fixed seat (2) is in a hollow sleeve shape; the rotating seat (13) is provided with a through hole (133) for the rope skipping line (4) to pass through along the axis.