TWM514863U - Elastic rope - Google Patents

Description

Elastic rope

This creation relates to elastic ropes, and in particular to an elastic rope that reduces weight and reduces manufacturing costs.

Elastic cords have been widely used in a variety of fields, such as pet pull cords, fitness equipment and safety hanging facilities. In terms of related conventional technologies, such as the Republic of China Announcement No. M426416, the Republic of China Announcement No. M494801 and the Republic of China Announcement No. M426272, respectively, reveal different types of elastic ropes, however, in these patent cases In the structure, since the elastic section and the non-elastic section have the same width, on the one hand, the weight of the whole drawstring is obviously biased, so that it is easy to cause a burden on the user under long-term use, and on the other hand, The entire drawstring consumes more material during the manufacturing process, which in turn leads to an increase in material costs.

The main purpose of this creation is to provide an elastic cord which can achieve weight reduction and material cost reduction without affecting ductility.

In order to achieve the above object, the elastic cord of the present invention comprises a rope body having a pleated stretchable section, at least one non-elastic section, and at least one transition section connected between the pleated stretchable section and the non-elastic section. The width of the non-elastic segment may be greater than or less than the width of the pleated stretch segment. In the first embodiment of the present invention, the width of the non-elastic segment is smaller than the width of the pleated stretch segment, and the width of the gradual segment is from the wrinkle The pleated expansion and contraction section is gradually reduced in the direction of the non-elastic section. In the second embodiment of the present invention, the width of the non-elastic section is greater than the width of the pleated expansion section, and the width of the gradation section is from the pleated expansion section to the non-stretching section. The direction of the segment gradually increases. In addition, the elastic cord of the present invention further comprises an elastic band disposed in the pleated stretch section of the rope body for providing an elastic stretching effect.

It can be seen from the above that the elastic rope of the present invention utilizes the wrinkle design of the rope body and the change in the width, and the arrangement of the elastic belt, so that the elastic rope of the present invention can reduce the weight and reduce the manufacturing cost. It still provides good ductility for the purpose of this creation.

The detailed construction, features, assembly or use of the elastic cords provided by this creation will be described in the detailed description of the subsequent embodiments. However, those of ordinary skill in the art should understand that the detailed description and specific embodiments of the present invention are merely used to illustrate the present invention and are not intended to limit the scope of the patent application.

Referring to Figures 1 and 2, the elastic cord 10 of the first embodiment of the present invention comprises a cord body 20 and an elastic band 30.

The rope body 20 has a pleated stretchable section 21, a non-elastic section 22, and a gradual section 23 connected between the pleated stretchable section 21 and the non-elastic section 22, and the elastic band 30 is disposed in the stitching manner on the rope body 20. The corrugated stretch section 21 (shown in Fig. 2) is used to provide an elastically stretchable effect to the pleated stretch section 21 of the cord 20. In the present embodiment, the width of the non-elastic section 22 of the rope body 20 is half the width of the pleated stretch section 21 of the rope body 20, and the gradual section 23 of the rope body 20 is tangled from the pleated stretch section 21 of the rope body 20. The direction of the non-elastic section 22 of the body 20 is gradually reduced, and the gradual section 23 of the rope body 20 has two opposite curved side edges 232. By the engagement of the gradual section 23, the number of woven fabrics of the pleated stretchable section 21 is equal to The number of yarns of the stretchable section 22 allows the entire rope body 20 to maintain the same structural strength without affecting the width. Further, as shown in Fig. 2, the pleated stretch section 21 of the cord body 20 has a plurality of mutually adjacent peak portions 212 and a plurality of mutually adjacent lower peak portions 214, and the plurality of upper and lower peak portions 212 and 214 are respectively located in the elastic band. The top and bottom sides of the 30 are staggered with the elastic band 30 as a reference surface.

Referring to FIG. 3 again, in the first embodiment of the present invention, the elastic cord 10 of the present invention is mainly used as a pet pull cord. In detail, the cord body 20 further has a first loop portion 24 . And a second collar portion 25, the first collar portion 24 is connected to one end of the corrugated telescoping section 21 away from the non-elastic section 22, and the second collar portion 25 is connected to one end away from the corrugated telescoping section 21, the first sleeve The ring portion 24 is mainly used for grasping by the user's hand, and the second ring portion 25 is mainly used for mounting a fastener 32, and the fastener 32 can re-lock a pet collar 40. Therefore, as shown in FIG. 4, the user can manipulate the pet through the elastic cord 10 of the present invention. If the pet has a sudden pull, the ductility provided by the elastic cord 10 of the present creation can be avoided. The person was injured.

In addition to the pet pull cord, in the second embodiment of the present invention, the elastic cord 12 can also be used as a fitness equipment, as shown in Fig. 4, the non-elastic section 22 of the cord body 20 and the gradient of the cord body 20 The number of segments 23 is two, and the non-elastic segments 22 of the rope body 20 are respectively separated from the ends of the corrugated telescoping sections 21 of the rope body 20 by a reverse folding to form a first collar portion 24. Therefore, as shown in FIG. 5, after the user holds the first loop portion 24 with both hands, and then repeatedly applies the force to stretch the elastic cord 12, the elastic stretch of the corrugated stretchable portion 21 can be used to achieve the fitness effect. .

As shown in FIG. 6, the first collar portion 24 of the cord body 20 can be respectively mounted with a fastener member 34, 36, one of the fastener members 34 is hooked on a fixing rod 14 disposed at the aerial work site, and the other buckle is attached. The member 36 is hooked on a safety buckle 16 disposed on the worker, and the elastic expansion and contraction of the pleated elastic section 21 of the elastic cord 12 enables the worker to move flexibly without interference, and can allow the staff to Get good security.

On the other hand, the rope body may have an opposite arrangement in terms of width. As shown in Fig. 7, in the elastic cord 14 of the third embodiment of the present invention, the width of the non-elastic section 52 of the cord body 50 is the cord body 50. The wrinkle expansion section 51 is twice as large, and the width of the gradual section 53 of the rope body 50 gradually decreases from the non-elastic section 52 of the rope body 50 to the pleated expansion section 51 of the rope body 50, and the elastic band 30 is also The stitching manner is disposed in the pleated stretch section 51 of the cord body 50 and is located above the pleated stretch section 51 and between the lower peaks 512, 514 (as shown in Fig. 8). In addition, the cord body 50 further has a first collar portion 54 and a second collar portion 55. The first collar portion 54 is coupled to one end of the corrugated telescoping section 51 away from the non-elastic section 52, and the second collar portion 55 is The elastic cord 14 of the present embodiment is connected to the end of the non-retractable section 52 away from the corrugated stretchable section 51. Thus, the elastic cord 14 of the present embodiment can also be used as a pet pull cord after the first loop portion is mounted with the fastener 32 of the first embodiment. .

Further, as shown in FIG. 9, in the fourth embodiment of the present invention, the number of the non-retractable sections 52 of the cord body 50 and the gradual section 53 of the cord body 50 are both two, and the non-elastic section 52 of the cord body 50 is away from the rope. One end of the wrinkle expansion and contraction section 51 of the body 50 is respectively formed by a reverse folding to form a first collar portion 54. Thereby, the elastic cord 16 of the present embodiment can also be used as the exercise equipment of the second embodiment, or after the first collar portion 54 of the cord body 50 is attached to the fasteners 34, 36 of the second embodiment. Used as a safety sling.

In summary, when the various elastic cords 10, 12, 14, 16 are stretched, the design of the corrugated telescoping sections 21, 51 of the cords 20, 50 is matched with the elasticity embedded in the cord bodies 20, 50. The belt 30 enables each of the elastic cords 10, 12, 14, 16 to produce a relatively good ductility, and the elastic cord 10 of the present invention is further provided by the design of the tapered sections 23, 53 of the cords 20, 50, Compared with the conventional technology, 12, 14, and 16 can achieve the effects of weight reduction and material cost reduction without affecting the ductility, and have good structural strength.

10,12,14,16‧‧‧elastic rope
20‧‧‧rope
21‧‧‧ pleated stretch section
212‧‧‧Upper Peaks
214‧‧‧The Lower Peaks Department
22‧‧‧Non-flexible section
23‧‧‧ Transition section
232‧‧‧ curved sides
24‧‧‧First ring
25‧‧‧Second set of rings
32, 34, 36‧‧‧ fasteners
40‧‧‧ Pet collar
42‧‧‧Fixed rod
44‧‧‧Safety buckle
50‧‧‧ rope body
51‧‧‧ pleated stretch section
512‧‧‧Upper Peaks
514‧‧‧The Lower Peaks Department
52‧‧‧Non-flexible section
53‧‧‧gradient section
54‧‧‧First set of rings
55‧‧‧Second set of rings

Fig. 1 is a perspective view showing a first embodiment of the creation. Fig. 2 is a partial cross-sectional view showing the first embodiment of the creation. Fig. 3 is a perspective view showing the state of use of the first embodiment of the present invention. Fig. 4 is a perspective view showing a second embodiment of the creation. Fig. 5 is a perspective view showing the state of use of the second embodiment of the present invention. Fig. 6 is a perspective view showing another use state of the second embodiment of the present invention. Fig. 7 is a perspective view showing a third embodiment of the creation. Figure 8 is a partial cross-sectional view showing a third embodiment of the creation. Fig. 9 is a perspective view showing a fourth embodiment of the creation.

10‧‧‧elastic rope

20‧‧‧rope

21‧‧‧ pleated stretch section

212‧‧‧Upper Peaks

214‧‧‧The Lower Peaks Department

22‧‧‧Non-flexible section

23‧‧‧ Transition section

232‧‧‧ curved sides

24‧‧‧First ring

25‧‧‧Second set of rings

32‧‧‧fasteners

Claims (10)

An elastic cord comprising: a rope body having a pleated stretchable section, at least one non-elastic section, and at least one gradual section, the non-elastic section having a width smaller than a width of the pleated stretch section, the gradual section being connected to the Between the pleated stretchable section and the non-elastic section, and the width of the gradual section gradually decreases from the pleated stretched section toward the non-elastic section; and an elastic band is disposed in the pleated stretchable section of the rope body. The elastic cord according to claim 1, wherein the pleated stretchable section of the rope body has a plurality of mutually adjacent peak portions and a plurality of mutually adjacent wave peak portions, wherein the plurality of upper and lower peak portions are respectively located at the top of the elastic band. And two sides of the bottom, and the plurality of upper and lower peaks are staggered with the elastic band as a reference surface. The elastic cord of claim 1, wherein the pleated stretch section of the rope body forms a first collar portion at an end away from the non-elastic section, the number of non-elastic sections of the rope body is one, and the non-elastic section is A second collar portion is formed away from one end of the pleated stretch section. The elastic cord of claim 1, wherein the non-elastic section of the rope body and the gradual section of the rope body are both two, and the two non-elastic sections respectively form a first end at an end away from the pleated expansion section. The collar part. The elastic cord of claim 1, wherein the width of the non-elastic section of the cord is half the width of the pleated stretch section of the cord. An elastic rope comprising: a rope body having a pleated stretchable section, at least one non-elastic section, and at least one gradual section, the non-elastic section having a width greater than a width of the pleated stretch section, the gradual section being connected to the Between the pleated stretch section and the non-elastic section, and the width of the gradual section gradually decreases from the non-elastic section to the pleated stretch section; and an elastic band is disposed in the pleated stretch section of the rope body. The elastic cord of claim 6, wherein the pleated stretchable section of the rope body has a plurality of mutually adjacent peaks and a plurality of mutually adjacent peaks, the plurality of upper and lower peaks being respectively located at the top of the elastic band And two sides of the bottom, and the plurality of upper and lower peaks are staggered with the elastic band as a reference surface. The elastic cord of claim 6, wherein the pleated stretch section of the rope body forms a first collar portion at an end away from the non-elastic section, the number of non-elastic sections of the rope body is one, and the non-elastic section is A second collar portion is formed away from one end of the pleated stretch section. The elastic cord of claim 6, wherein the non-elastic section of the rope body and the gradual section of the rope body are both two, and the two non-elastic sections respectively form a first end at an end away from the pleated expansion section The collar part. The elastic cord of claim 6, wherein the width of the pleated stretch section of the cord is half the width of the non-elastic section of the cord.