Jump rope grip

Abstract

To provide a jump rope grip with length adjusting means capable of easily adjusting a rope length to an optimum length according to users' physiques and jumping manners.SOLUTION: A jump rope grip comprises a grip body 10 and length adjusting means for adjusting the length of a rope 40, formed inside the grip body 10. The length adjusting means includes a rotor 30 for fixing the rope 40 inserted in the grip body 10, at any position, and an operation body 20 for changing over between a fixed state and a free state of the rope 40 by the rotor 30. The rotor 30 includes an outer rotor 31 and an inner rotor 32 that are formed as separate bodies, and the operation body 20 operates insert motion of the inner rotor 32.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a skipping grip provided with a rope length adjusting means.

Background Art

[0002] Conventionally, as a method of adjusting the length of a skipping rope, the length was adjusted to suit the user's physique by cutting the rope stored in the grip or providing knots. However, with the adjustment methods of providing knots or cutting the rope short, it was not possible to adjust the length of the rope to an optimal length according to the way of jumping (such as plain jumping, cross jumping, double jumping, etc.). In addition, once the rope was cut short, there was a drawback that it could not be used when the user grew and their physique became larger.

[0003] Therefore, for example, in Patent Document 1, there is disclosed a device having a rope length adjustment function by fitting a clamp through which a rope is inserted to a rotary terminal inside a grip without cutting the rope short or providing knots.

[0004] Also, in Patent Document 2, there is disclosed a device having a rope length adjustment means by folding back and holding the end of the rope in a holder stored inside the grip and changing the amount of the fold-back.

Prior Art Documents

Patent Documents

[0005]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0006] However, the aforementioned jump rope grips required removing the cap at the end of the grip and taking out the adjustment mechanism inside the grip to adjust the length, which was inconvenient as it required adjusting the length every time the jumping technique was changed.

[0007] Therefore, the present invention aims to provide a jump rope grip equipped with a length adjustment mechanism that allows for easy adjustment to the optimal rope length according to the user's physique and jumping style. [Means for solving the problem]

[0008] In view of the above-mentioned problems, the present invention comprises a grip body and a length adjustment means for adjusting the length of the rope inside the grip body. The length adjustment means comprises a rotor for fixing the rope inserted into the grip body at an arbitrary position, and an operating body for switching between the fixed state and the free state of the rope by the rotor. The rotor is formed as a separate component: an outer rotor that is rotatably housed within the grip body, and an inner rotor that is fitted into a fitting hole in the outer rotor to engage the rope. The operating body is The aforementioned grip body Formed It slides along the longitudinal direction. The insertion operation of the internal rotor Linked It is characterized by its operation.

[0009] In addition to the above-described configuration, it is preferable that the operating body includes a slider that slides along the longitudinal direction in relation to a recess in the grip body, and a fitting portion that protrudes from the lower surface of the slider toward the interior of the grip body and loosely fits onto the flange of the internal rotor.

[0010] In addition to the above-described configuration, it is preferable that the internal rotor has a claw portion that bulges outward from an intermediate position on the outer circumferential surface and a flange portion that protrudes from the rear end of the outer circumferential surface.

[0011] Furthermore, in addition to the above-described configuration, it is preferable that the length adjustment means has a stopper fixed to the tip side of the grip body, which houses the rotor inside the tip of the grip body. [Effects of the Invention]

[0012] Therefore, according to the present invention described above, it is possible to provide a jump rope grip that can be easily adjusted to any length by operating the operating body of the grip, in order to set the rope length to the optimal length according to the user's physique and jumping style. [Brief explanation of the drawing]

[0013] [Figure 1] This is an exploded perspective view showing an example of a jump rope grip according to an embodiment of the present invention. [Figure 2] Figure 1 shows the shape of the grip body, with (a) a front view, (b) a top view, and (c) a bottom view. [Figure 3] Figure 1 is a partially enlarged perspective view showing the structure of the rotor and inner plug. [Figure 4] Figure 1 shows a central longitudinal cross-section of the rope in the free state of the length adjustment mechanism of the grip body. [Figure 5] This is a central longitudinal cross-sectional view of the rope in the length adjustment mechanism of the grip body shown in Figure 1. [Modes for carrying out the invention]

[0014] An example of an embodiment of the present invention will be described in detail with reference to Figure 1-5. In this embodiment, the side through which the rope 40 is inserted into the grip body 10 is the tip direction, and the rear end side of the grip body 10 is the rear end direction.

[0015] (Embodiment) As shown in FIGS. 1-5, the skipping rope grip of this embodiment includes a grip body 10 and a length adjusting means for adjusting the length of the rope 40 inside the grip body 10. The length adjusting means includes a rotor 30 that slides the rope 40 inserted into the grip body 10 and fixes the rope 40 at an arbitrary position, and an operating body 20 that switches the fixed state and the free state of the rope 40 by the rotor 30. The rotor includes an outer rotor 31 and an inner rotor 32 formed separately, and the operating body 20 is configured mainly by interlocking and operating the fitting operation of the inner rotor 32 with respect to the fitting hole 31a of the outer rotor 31.

[0016] As shown in FIG. 1, the grip body 10 has a tapered cylindrical shape from the rear end to the front end, and has a recess 11 provided on the front end side of the grip body 10 for arranging the operating body 20, and a through hole 12 that communicates with the fitting portion 20b of the operating body 20 inside.

[0017] Further, as shown in FIG. 2, the grip body 10 is continuously formed so that the cross-sectional shape is substantially triangular at the front end side and substantially elliptical at the rear end side so as to be easy to hold according to the way of holding (so-called "grip", "mouse grip" with the index finger extended, "remote control grip" with the thumb extended, etc.). In addition, finger hooks 14, 14 are provided at portions where the thumb and index finger are placed according to the way of holding. Here, the substantially triangular and substantially elliptical shapes include those with rounded vertices and sides.

[0018] Further, the grip body 10 is mainly formed of a transparent synthetic resin material so that the state of an indicator 41 and the rope 40 described later can be visually recognized, and has a display portion 13 that indicates the adjusted length of the rope This display portion 13 is, for example, a combination of character strings such as LONG (long), MIDDLE (middle), SHORT (short), and a scale consisting of equally spaced horizontal lines.

[0019] As shown in Figures 1 and 2, the operating body 20 has a slider 20a that slides along the longitudinal direction in relation to the recess 11 of the grip body 10, and a fitting portion 20b that protrudes from the lower surface of the slider 20a toward the interior of the grip body 10 and loosely fits onto the flange portion 32b of the internal rotor 32.

[0020] The slider 20a has an upright piece 20c erected on its upper edge and a plurality of protrusions 20d, 20d on its upper surface, so that the user can easily switch between a fixed state and a free state with their fingertips.

[0021] The fitting portion 20b is formed in a curved shape along the outer surface of the flange portion 32b so as to loosely fit with the flange portion 32b of the inner rotor 32 of the length adjustment means, so as not to hinder the rotational movement of the rotor 30, and is formed in a groove shape with a width larger than the thickness of the flange portion 32b (see, for example, Figures 4 and 5).

[0022] As shown in Figure 1-3, the rotor 30 is formed as two separate parts: an outer rotor 31 through which the rope 40 is inserted and which is rotatably housed within the grip body 10, and an inner rotor 32 which engages with the rope 40 by being fitted into the insertion hole 31a of the outer rotor 31.

[0023] The outer rotor 31 is substantially cylindrical in shape and has a fitting hole 31a into which the inner rotor 32 is fitted from the rear end. This fitting hole 31a may be a cylindrical shape that is almost identical in shape to the outer circumference of the inner rotor 32, or it may be a frustoconical shape with a tapered shape in which the inner diameter becomes narrower towards the tip compared to the outer diameter of the inner rotor 31. The outer rotor 32 is rotatably housed between the inside of the tip of the grip body 10 and the upper end of the inner plug 33.

[0024] The inner rotor 32 is a substantially cylindrical shape through which the rope 40 is inserted, and has a notch around its circumference, as well as claw portions 32a, 32a that bulge outward from an intermediate position on the outer surface, and a flange portion 32b that protrudes from the rear end of the outer surface. At least two of these claw portions 32a, 32a are provided on the outer surface of the inner rotor 32 and have enough elasticity to be elastically deformed when fitted into the insertion hole 31a of the outer rotor 31. The inner rotor 32 may also have multiple narrow grooves along its longitudinal direction to facilitate elastic deformation and gripping of the rope 40.

[0025] Furthermore, the length adjustment means has a plug 33 fixed to the tip side of the grip body 10, which houses the rotor 30 inside the tip of the grip body 10. This plug 33 has a housing portion 33a that houses the inner rotor 32 of the rotor 30, and a projection 33b that engages and fixes to the inside of the tip side of the grip body 10. This housing portion 33a has an opening in the part where the fitting portion 20b of the operating body 20 and the flange portion 32b of the inner rotor 32 engage. In addition, this housing portion 33a has a storage space with a vertical width such that, when the rope 40 is fixed, the tip side of the inner rotor 32 protrudes and fits into the fitting hole 31a of the outer rotor 31 which is located tipward from the plug 33, and when the rope 40 is free, it is retracted into the housing portion 33a.

[0026] The rope 40 is preferably made mainly of synthetic resin material such as polyvinyl chloride (PVC) and has a diameter of about 3.8 mm to 4.0 mm, so that it is light and easy to jump over. An indicator 41 is attached near the lower end of the rope 40 to indicate its position inside the grip body 10. This indicator 41 is clamped and fixed via an inserted sleeve tube 42 and is aligned with the display section 13 of the grip body 10.

[0027] Next, the method for adjusting the length of the rope 40 using the jump rope grip described above will be explained based on Figures 4 and 5.

[0028] First, to adjust the length of the rope 40, Figure 4 shows the free state in which the rope 40 is released from its fixed state by the rotor 30. By pushing down the slider 20a of the operating body 20 on the grip body 10 toward the rear end, the inner rotor 32 fitted into the outer rotor 31 moves toward the rear end in conjunction, and by operating it to disengage, the rope 40 becomes free. Since the rope 40 is not engaged with the claws 32a, 32a of the inner rotor 32, it is possible to change the length of the rope 40 to any desired length inside the grip body 10 by pinching the rope 40 at the tip of the grip body 10 and pulling it up or pushing it down. Alternatively, the length of the rope may be adjusted by aligning the indicator 41 attached to the lower end of the rope 40 with the display unit 13 of the grip body 10, and using the string SHORT (shorter), MIDDLE (medium), LONG (longer), and scale on the display unit 13 as a guide.

[0029] Then, as shown in Figure 5, after adjusting the length of the rope 40, the slider 20a of the operating body 20 on the grip body 10 is pushed upward toward the tip. Because the fitting portion 20b of the operating body 20 is loosely fitted with the flange portion 32b of the inner rotor 32, the inner rotor 32 moves in conjunction toward the tip and is operated to fit into the insertion hole 31a of the outer rotor 31. At this time, the claw portions 32a, 32a of the inner rotor 32 elastically deform toward the center, engaging with the rope 40 to grip it and fixing it in place. At this time, the flange portion 32b of the inner rotor 32 is loosely fitted with the fitting portion 20b of the operating body 20, and is rotatable in the direction of rotation of the rope 40 when the user jumps rope.

[0030] Therefore, with the jump rope grip described above, it is possible to quickly adjust the rope length to any desired length by operating the operating body 20 of the grip body 10, in order to set the optimal rope length according to the user's physique and jumping style.

[0031] While the above embodiments illustrate preferred embodiments of the present invention, the present invention is not limited to these embodiments, and improvements and modifications are possible within the scope described in the claims. For example, the operating body 20 may be positioned in an easily accessible location on the outer surface of the grip body 10, and its position may be changed to an appropriate location considering the size of the user's fingers, etc. [Explanation of symbols]

[0032] 10 Grip body, 11 Recess, 12 Opening, 13 Display section, 14 Finger rest section, 20 Operating body, 20a Slider, 20b Fitting part, 20c Upright piece, 20d Protruding part, 30 rotors, 31 Outer rotor, 31a insertion hole, 32 Internal rotor, 32a Claw portion, 32b Flange portion, 33 Inner stopper, 33a Housing section, 33b Projection, 40 ropes, 41 Indicator, 42 Sleeve tube.

Claims

1. It comprises a grip body and a length adjustment means for adjusting the length of the rope inside the grip body. The length adjustment means comprises a rotor for fixing the rope inserted into the grip body at an arbitrary position, and an operating body for switching between the fixed state and the free state of the rope by the rotor. The rotor is formed as a separate component: an outer rotor that is rotatably housed within the grip body, and an inner rotor that is fitted into a fitting hole in the outer rotor to engage the rope. The jump rope grip is characterized in that the operating body is formed on the grip body and slides along its longitudinal direction, and operates in conjunction with the insertion movement of the internal rotor.

2. The jump rope grip according to claim 1, characterized in that the operating body has a slider that slides longitudinally in relation to a recess in the grip body, and a fitting portion that protrudes from the lower surface of the slider toward the interior of the grip body and loosely fits onto the flange of the internal rotor.

3. The jump rope grip according to claim 1, characterized in that the internal rotor has a claw portion that bulges outward from the center of the outer peripheral surface and a flange portion that protrudes from the rear end of the outer peripheral surface.

4. The jump rope grip according to claim 1, characterized in that the length adjustment means is fixed to the tip side of the grip body and has an inner plug that houses the rotor inside the tip of the grip body.

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