TWM503231U - Elastic rope for pull training gymnastic device - Google Patents

Description

Elastic rope for tension fitness equipment 【0001】

The present invention relates to an elastic rope for a tension exercise machine, and more particularly to an elastic rope structure including an auxiliary rib in the elastic rope and a through hole in the auxiliary rib.

【0002】

The operation of the pull exercise device provides the user with muscle training for the chest and arms. Because the rally fitness device is light, small and convenient to carry, it has become a favorite sport for modern people.

[0003]

The elastic rope of a typical tension exercise machine is hollow and connected between the second-hand handles. When the user holds the handle and the force is repeatedly pulled open and releases the elastic rope, the training effect on the chest and arm muscles can be achieved. . However, when the user operates the conventional tension exercise device and uses the second-hand grip handle and repeatedly pulls the hollow elastic rope, it may be injured by the hollow elastic rope which is instantaneously bounced because the hollow elastic rope is broken. Therefore, it is necessary to provide an elastic rope which has better structural strength and is not easily broken suddenly to improve the safety of the operation of the tension exercise machine.

[0004]

In order to solve the prior art problem, the present invention provides an elastic cord for a tension exerciser, comprising a hollow elastic strip, the hollow elastic strip comprising a first end and a second end spaced along an axial direction and extending through the first end And an inner hole extending at the second end, and an outer surface and an inner surface extending between the first end and the second end, the inner surface is located around the inner hole, and the inner hole includes an auxiliary rib The auxiliary rib extends from the first end to the second end, and the auxiliary rib includes a first portion and a second portion connected to the inner surface, the auxiliary rib includes a through hole penetrating the first end and the second end, and the through hole is first The end extends to the second end.

[0005]

The present invention achieves the effect of improving the strength of the elastic rope structure by the auxiliary ribs included in the inner hole of the hollow elastic strip, and the auxiliary rib passing through the two ends in the auxiliary rib has a good stretch in the fully solid state auxiliary rib. Elastic, so that the outer surface of the hollow elastic strip is cracked by various factors, and when the crack is pulled by the pulling force, the auxiliary rib can be easily stretched in the tensile direction, so that the elastic rope is still stretched without It will suddenly break off to prevent the hollow elastic strip from suddenly breaking and injuring the operator.

[0017]

1‧‧‧Users 10‧‧‧ Rally Exerciser 12‧‧‧ Rally Exerciser 16‧‧‧Elastic Rope 38‧‧‧Handle 40‧‧‧Perforated 50‧‧‧ Hollow Elastic Strip 52‧‧‧ First End 54‧‧‧ second end 56‧‧‧ outer surface 58‧‧‧ inner surface 60‧‧‧ inner hole 62‧‧‧ auxiliary rib 63‧‧‧through hole 64‧‧‧ first part 66‧‧ Part II 70‧‧ Third Part 72‧‧‧Fourth 101‧‧‧Handle 102‧‧‧ Hollow Elastic Rope

[0006]

Figure 1 shows an exploded perspective view of the first form of elastic tension rope and used handle.
Fig. 1A is an enlarged view showing a portion where the dotted circle of Fig. 1 is taken.
Figure 2 shows an end view of the first form of the creation.
Figure 3 shows a front view of this creation and a second-hand put into a rally fitness device.
Figure 4 shows an end view of the second form of the creation.
Figure 5 shows an end view of the third form of the creation.

【0007】

All of the following drawings are merely illustrative of the basic teachings of the present invention, and the extension of the number, position, relationship, and size of the components constituting the preferred embodiment will be explained in the drawings. Post-guided changes are implemented in industry skills. In addition, changes in the exact dimensions and size ratios associated with specific strengths, weights, strengths, and similar requirements are also within the skill of the industry after reading and understanding the teachings of this creation.

[0008]

In the different drawings, the same reference numerals are used to designate the same or similar elements. In addition, please refer to the text such as "first", "second", "third", "fourth", "inside", "outside", " The "etc. and similar terms" are only convenient for the viewer to refer to the construction in the figure and are only used to help describe the creation.

【0009】

In the first form of the elastic cord 16 (shown in Figures 1 to 3), the two ends are respectively inserted into a perforation 40 of a handle 38 and then knotted, causing the elastic cord 16 to be knotted at both ends. The size of the part is larger than the aperture of the perforation 40 of the second-hand 38 and does not deviate from the perforation 40, thereby forming a rally exerciser 12 capable of holding the used 38 for stretching operation (as shown in Fig. 2 and Fig. 4). .

[0010]

According to the drawings of Figures 1 to 3, the first form of the elastic cord 16 of the present invention comprises a hollow elastic strip 50 which is extruded from an elastic material such as Thermoplastic Rubber (TPR). It can be repeatedly applied to stretch and release the tension to restore the original length. The hollow elastic strip 50 includes a first end 52 and a second end 54 spaced along an axial direction, and an inner hole 60 extending through the first end 52 and the second end 54 , and extending from the first end 52 and the second end An outer surface 56 and an inner surface 58 are disposed between the ends 54 and spaced apart from each other. The inner surface 58 is located around the inner hole 60 to form a wall surface of the inner hole 60. The inner hole 56 includes an auxiliary rib 62 and an auxiliary rib 62. Extending from the first end 52 to the second end 54, the auxiliary rib 62 includes a through hole 63 extending through the first end 52 and the second end 54, the through hole 63 extending from the first end 52 to the second end 54, the auxiliary rib 62 including A first portion 64 and a second portion 66 connected to the inner surface 58 are spaced apart in the radial direction to form an elongated shape (as shown in FIGS. 1A and 2). .

[0011]

The present invention utilizes the elongated auxiliary rib 62 of the first form of elastic cord 16 to increase the overall structural strength, and with the through hole 63 formed in the auxiliary rib 62, the auxiliary rib of the more completely solid state has a good stretch. Elastic, so when the outer surface 56 or the inner surface 58 of the elastic cord 16 is broken, after the elastic cord 16 is pulled by the breakage by the tensile force, when the crack reaches the auxiliary rib 62, the auxiliary rib 62 has a certain resistance, at least In a short time, the crack can be prevented from crossing the auxiliary rib 62, further preventing the elastic rope 16 from being completely broken, so that the user has a higher probability that the elastic rope 16 is completely broken before the elastic rope 16 is completely broken, so that the elastic rope 16 can be reduced. The effect of breaking the user's chance of breaking under unexpected conditions.

[0012]

In addition to the elastic cord 16 of the first form disclosed in Figures 1 to 3, the auxiliary rib 62 of the elastic cord 16 may have other variations. Referring to Figure 4, the second form of the present invention is The elastic cord 16 differs from the first form of the elastic cord 16 in that the second elastic cord 16 disclosed herein differs only in that the auxiliary rib 62 further includes a third portion 70 coupled to the inner surface 58 for engaging the first portion. The joint position of the 64 portion and the second portion 66 with the inner surface 58 forms an arc length interval of 120 ,, so that the end surface of the auxiliary rib 62 can be formed in a Y shape (as shown in Fig. 4).

[0013]

The present invention also provides a third form of elastic cord 16, which differs from the second form of elastic cord 16 in that the third form of elastic cord 16 differs only in that the auxiliary rib 62 further includes an inner surface 58. A fourth portion 72, with the first portion 64, the second portion 66, and the connection portion of the third portion 70 and the inner surface 58 form an arc length interval of 90 ,, so that the end surface of the auxiliary rib 62 can form a cross shape (such as Figure 5).

[0014]

The second and third forms of the elastic cord 16 of the present invention, as in the first form of the elastic cord 16, have the same effect of increasing the strength of the elastic cord 16, and are more complete than the through-holes 63 extending through the two ends of the auxiliary rib 62. The auxiliary rib of the solid state has good tensile elasticity, and when the outer surface 56 or the inner surface 58 is broken, the auxiliary rib 62 can prevent the elastic cord 16 from being completely broken within a certain period of time, further improving the user's own discovery of the elastic cord 16 The probability of being broken.

[0015]

The basic teachings of this creation have been described, and many extensions and variations will be apparent to those having ordinary skill in the art, for example, the elastic band 36 may be selected from materials such as thermoplastic rubber or various other elastic materials. And when the auxiliary rib 62 includes the first portion 64, the second portion 66, and the third portion 70 that are coupled to the inner surface 58, the end surface shape of the auxiliary rib 62 may form a solid triangular shape or a hollow triangular shape (not shown). And when the auxiliary rib 62 includes the first portion 64, the second portion 66, the third portion 70, and the fourth portion 72 connected to the inner surface 58, the end surface shape of the auxiliary rib 62 may form a solid square shape or a hollow square shape (Fig. Not shown). Therefore, as long as the auxiliary ribs 62 are joined to the inner surface 58 of the hollow elastic strip 50 in a plurality of portions, the overall structural strength of the elastic strands 16 can be increased without being limited by the various shapes of the auxiliary ribs 62.

[0016]

The present invention disclosed in the specification is to be considered as illustrative and not restrictive. The scope of the present invention is defined by the scope of the appended claims, and is not intended to be limited by the scope of the invention.

16‧‧‧elastic rope

56‧‧‧ outer surface

58‧‧‧ inner surface

60‧‧‧ inside hole

62‧‧‧Assistive ribs

63‧‧‧through hole

64‧‧‧ first

66‧‧‧Part II

Claims (5)

[Item 1] An elastic cord for a tension exerciser, comprising: a hollow elastic strip (50) comprising a first end (52) and a second end (54) spaced along an axial direction and extending through the first end (52) And an inner hole (60) of the second end (54), and an outer surface (56) extending between the first end (52) and the second end (54) and spaced apart along a radial direction An inner surface (58), the inner bore (60) includes an auxiliary rib (62) extending from the first end (52) to the second end (54), the auxiliary rib (62) including the inner surface (58) a first portion (64) and a second portion (66) connected, the auxiliary rib (62) includes a through hole (63) penetrating through the first end (52) and the second end (54), the through hole (63) extends from the first end (52) to the second end (54). [Item 2] The elastic cord for a tension exerciser of claim 1, wherein the auxiliary rib (62) further comprises a third portion (70) coupled to the inner surface (58). [Item 3] The elastic cord for a tension exerciser according to the second aspect of the invention, wherein the auxiliary rib (62) has a cross-sectional shape forming a Y-shape. [Item 4] The elastic cord for a tension exerciser of claim 2, wherein the auxiliary rib (62) further comprises a fourth portion (72) coupled to the inner surface (58). [Item 5] The elastic cord for a tension exerciser according to claim 4, wherein the end faces of the auxiliary ribs (62) form a cross shape.