CN203264148U - Sports drawstring structure - Google Patents

Abstract

The utility model discloses a sports rope pulling structure, comprising a sports base, a rope pulling seat, a pivot seat, a pivot seat pulley and a rope, wherein the rope pulling seat has a first end and a second end along a sports direction, the first end of the rope pulling seat is correspondingly mounted on the sports base, the pivot seat is pivotally mounted on the second end of the rope pulling seat, the pivoting direction of the pivot seat corresponds to the sports direction, the pivot seat pulley is pivotally mounted on the pivot seat, one end of the rope is fixedly mounted on the rope pulling seat, the rope passes through the pivot seat pulley along the sports direction, and the other end of the rope is used for sports stretching.

Description

Sports drawstring structure

technical field

The utility model relates to a sports equipment, and in particular to a sports drawstring structure.

Background technique

In response to the tiredness of modern life, lack of exercise, or the desire to exercise different muscle groups, a variety of sports aids have emerged.

One of the most common equipment in the home or gym is the sit-up exercise board. However, the traditional sit-up exercise board is only for sit-ups. The exercise form is single, not only easy to be boring, but also limited to a single exercise Exercise limited local muscles.

Therefore, many sit-up exercise boards with various functions have been produced in addition on the market. Some sit-up exercise boards can adjust the angle of lying on the back, and some sit-up exercise boards also install springs on the backrest of the sit-up board to make sit-ups Easier to perform, thus making exercise easier to perform, thereby increasing user willingness to use.

There are also some sports equipment that combine various training machines into one body, which can provide a variety of different exercise modes, such as sit-ups, rowing, running or weight training, etc., but various functions cannot be performed at the same time, which means that only one time To be able to perform a sport, the muscles that can be exercised in a single sport are still limited, and the execution of the sport is less interesting and variable. Moreover, the exercise intensity provided by this type of exercise equipment is usually strong, which makes it difficult for people who do not have exercise habits to last for a long time, and is not easy to use to cultivate exercise habits.

Utility model content

Therefore, the utility model provides a sports drawstring structure, which cooperates with a movable and stretchable rope through a sports base that can lie on your back, so that you can perform hand drawstrings while performing sit-ups or lying on your back. Exercise can exercise the muscles of multiple parts of the body at the same time, and the utility model adopts a pivotable pivot member, which not only makes the rope not easy to wear, but also provides a smooth and smooth exercise experience.

According to an embodiment of the present invention, the moving rope structure includes a moving base, a rope seat, a pivot seat, a pivot seat pulley and a rope, wherein the rope seat has a first end and a The second end, the first end of the drawstring seat is correspondingly installed on the motion base, and the pivot seat is pivotally arranged on the second end of the drawstring seat, the pivot direction of the pivot seat corresponds to the direction of motion, and the pivot seat pulley Pivoted on the pivot seat, one end of the rope is fixed on the pull rope seat, the rope goes around the pulley of the pivot seat along the moving direction, and the other end of the rope is used for stretching.

According to the above-mentioned motion stay rope structure, it can also include at least one intermediate pulley and a pull handle, the intermediate pulley can be pivotally arranged on the first end or the second end of the stay rope seat, and the rope extends the moving direction around the intermediate pulley and the pivot. The seat pulley, the pull handle can be located at the other end of the rope, and the pull handle can be detachably installed on the rope. Wherein, the first end of the drawstring seat can also have a positioning part, which is used for positioning the drawcord seat to form a preset angle with respect to the motion base, and the rope can be an elastic rope. Wherein if the quantity of the intermediary pulley of motion stay cord structure is one, then intermediary pulley can be arranged at the first end of stay cord seat, if the quantity of intermediary pulley of motion stay cord structure is two or more, then intermediary pulley can be arranged in turn At the first end and the second end of the drawstring seat.

According to another embodiment of the present invention, the motion drawstring structure includes a motion base, a drawstring seat and two drawstring sets, the drawstring seat has a first end and a second end along a movement direction, and the first end Correspondingly installed on the sports base, two pull cord sets are arranged side by side on the pull cord base, wherein each pull cord set includes a pivot seat, a pivot seat pulley, and a rope, and the pivot base is pivotally arranged on the draw cord seat The second end of the pivot seat, the pivot swing direction of the pivot seat corresponds to the movement direction, the pivot seat pulley is pivoted on the pivot seat, one end of the rope is fixed on the pull rope seat, the rope extends the movement direction around the pivot seat pulley, and the other end of the rope is used for exercise stretching.

According to the above-mentioned motion stay rope structure, it can also include at least one intermediate pulley and a pull handle, the intermediate pulley can be pivotally arranged on the first end or the second end of the stay rope seat, and the rope extends the moving direction around the intermediate pulley and the pivot. The seat pulley, the pull handle can be located at the other end of the rope, and the pull handle can be detachably installed on the rope. Wherein, the first end of the drawstring seat can also have a positioning part, which is used for positioning the drawcord seat to form a preset angle with respect to the motion base, and the rope can be an elastic rope. Wherein if the quantity of the intermediary pulley of motion stay cord structure is one, then intermediary pulley can be arranged at the first end of stay cord seat, if the quantity of intermediary pulley of motion stay cord structure is two or more, then intermediary pulley can be arranged in turn At the first end and the second end of the drawstring seat.

According to yet another embodiment of the present invention, the moving rope structure includes a moving base, a rope seat, and two rope groups. The rope seat has a first end and a second end along a moving direction, and the first end It is correspondingly pivoted on the sports base, and the first end of the drawstring base also has a positioning part, which is used to position the drawcord base to form a preset angle with respect to the movement base, and the two drawstring sets are arranged side by side on the stay cord base , each pull cord set includes a pivot seat, a pivot seat pulley, at least one intermediate pulley, a rope and a pull handle, the pivot seat can be pivotally arranged at the second end of the pull cord seat, and the pivot direction of the pivot seat Corresponding to the direction of movement, the pivot seat pulley is pivoted on the pivot seat, the intermediate pulley is pivoted on the first end or the second end of the rope seat, one end of the rope is fixed on the rope seat, and the rope goes around the middle in sequence along the movement direction. The pulley and the pivot pulley, the other end of the rope is used for sports stretching, and the pull handle is installed on the other end of the rope.

According to the above-mentioned sports pull rope structure, the pull handle can be detachably mounted on the rope. Wherein if the quantity of the intermediary pulley of motion stay cord structure is one, then intermediary pulley can be arranged at the first end of stay cord seat, if the quantity of intermediary pulley of motion stay cord structure is two or more, then intermediary pulley can be arranged in turn At the first end and the second end of the drawstring seat.

It can be seen from the above that the application of the exercise drawstring structure of the present utility model can not only perform sit-ups or lie on the back while stretching, but also perform hand drawstring exercises at the same time, so as to exercise the muscles of multiple parts of the body at the same time, and the drawstring can assist The execution of the sit-up exercise makes the exercise easier to continue, improves the variability and interest of the exercise, and makes it easier for the user to develop exercise habits. In the utility model, since the included angle between the drawstring seat and the motion base can be changed, the movement angle can be changed and the drawstring seat can be folded relative to the motion base, so as to achieve storage without occupying space. In addition, the utility model adopts a pivotable pivot member to pivot the pivot seat pulley, and at the same time when the user is pulling the rope, the pivot seat pulley can pivot with the change of the direction of force application, so that the rope is less likely to be worn out. The motion drawcord structure is more durable and at the same time provides a smoother and smoother motion experience for the user. And the mode of intermediary pulley is installed in the motion stay rope structure of the present utility model, makes when each intermediary pulley or other parts wear and tear needs to be replaced, and the dismounting installation of parts is more simple and easy, reaches the effect of convenient maintenance.

Description of drawings

Fig. 1 is a perspective view illustrating the structure of a sports pull cord according to an embodiment of the present invention;

Fig. 2 is a partial perspective view showing the stay cord seat and the stay cord set in Fig. 1;

Figure 3 is an exploded view of the parts shown in Figure 2;

Fig. 4 is a sectional view illustrating Fig. 2;

Fig. 5 is a perspective view illustrating the structure of a sports pull cord according to another embodiment of the present invention;

Fig. 6 is a cross-sectional view showing Fig. 5 in a use state;

Fig. 7 is a cross-sectional view showing Fig. 5 in another use state;

Fig. 8 is a partial perspective view showing the drawstring seat and the drawstring set of the movement drawcord structure according to another embodiment of the present invention;

Figure 9 is an exploded view of the parts shown in Figure 8;

Fig. 10 is a partial perspective view showing the cord seat and the cord set of the sport cord structure according to yet another embodiment of the present invention;

Fig. 11 is an exploded view showing the parts of Fig. 10;

Fig. 12 is a partial perspective view showing the cord seat and the cord set of the sport cord structure according to yet another embodiment of the present invention;

FIG. 13 is an exploded view showing the components of FIG. 12 .

Detailed ways

Please refer to FIGS. 1 to 4 together, wherein FIG. 1 is a perspective view illustrating the structure of a sports drawcord according to an embodiment of the present invention, and FIG. 2 is a partial view of the drawcord seat 200 and the drawcord set 300 in FIG. 1 For perspective views, FIG. 3 is an exploded view of the components shown in FIG. 2 , and FIG. 4 is a cross-sectional view of FIG. 2 .

The exercise drawstring structure includes a exercise base 100 , a drawstring base 200 and two drawstring sets 300 . The exercise base 100 may include a seat 110 and a backrest 120 for performing supine movements. The drawstring base 200 has a first end 210 and a second end 220 along a moving direction P, the first end 210 is pivotably mounted on the motion base 100 correspondingly, and the two drawstring sets 300 are arranged side by side on the drawstring Seat 200, wherein stay cord set 300 comprises three intermediary pulleys, a pivot seat 340, a pivot seat pulley 350 and a rope 360, and three intermediary pulleys are respectively a first intermediary pulley 310, a second intermediary pulley 320 and a third intermediary pulley. Intermediary pulley 330. Wherein the first intermediary pulley 310 is pivotally arranged on the first end 210 of the stay cord base 200, the second intermediary pulley 320 is pivotally arranged on the second end 220 of the stay cord base 200, and the third intermediary pulley 330 is pivotally arranged on the end 200 of the stay cord base 200. The first end 210, and the axial direction of the first intermediary pulley 310 is parallel to the axial direction of the third intermediary pulley 330, and the pivot seat 340 is pivotally arranged at the second end 220 of the stay rope seat 200, and the pivot seat 340 pivotally The direction corresponds to the direction of motion P. The pivot seat pulley 350 is pivotally installed on the pivot seat 340, and one end of the rope 360 is fixed on the rope seat 200 and passes through the third intermediary pulley 330, the second intermediary pulley 320, and the first intermediary pulley in sequence. 310 and the pivot pulley 350, the other end of the rope 360 is used for motion stretching.

The motion stay rope structure shown in Fig. 1～Fig. 4 is to adopt three intermediary pulleys, is respectively the first intermediary pulley 310, the second intermediary pulley 320 and the third intermediary pulley 330, but according to the motion stay rope structure of the utility model The number of intermediary pulleys is not limited to three, and its number can also be one, two or more than three, which will be described in detail later.

Please continue to refer to Figures 1 to 4, when the user stretches the rope 360 along the movement direction P, since the force applied by the user is not necessarily stable during the movement, the angle of the force applied may change. At this time, the pivot seat 340 can As the angle of the applied force changes, the pivoting direction R is pivoted to reduce the possible wear of the rope 360 caused by the change of the applied force angle.

Wherein the above-mentioned rope 360 can adopt an elastic rope. The first end 210 of the rope-drawing base 200 can also have two positioning portions 211 for positioning the rope-drawing base 200 to rotate relative to the motion base 100 to a preset angle. The aforementioned exercise base 100 does not necessarily need to include the seat 110 or the backrest 120 , as long as the exercise base can be used to perform a supine action.

Please refer to FIG. 5 , which shows a perspective view of a sports drawstring structure according to another embodiment of the present invention. In addition to the above-mentioned structure in FIG. On the other end of the rope 360 , the pull handle 400 can be detachably mounted on the rope 360 , and the pull handle 400 can be used for the user to hold and stretch the rope 360 .

Please refer to FIG. 6 , which shows a cross-sectional view of FIG. 5 in a use state. The above-mentioned first end 210 of the cord-drawing base 200 may further have two positioning portions 211 for positioning the cord-drawing base 200 to form a preset angle A relative to the motion base 100 . The positioning part 211 can be a groove or a hole, and a pin 212 can be used to engage with the positioning part 211, so that the predetermined included angle A of the drawstring base 200 relative to the motion base 100 can be locked and fixed. At this time, the user can sit on the seat 110 of the exercise base 100 , lean against the backrest 120 of the exercise base 100 , and hold the handle 400 .

Please refer to FIG. 7 , which shows a cross-sectional view of FIG. 5 in another use state. Continuing the use state of FIG. 6 , when the user sits on the seat 110 and performs the action of lying on his back to push the backrest 120 backward, he holds the pull handle 400 and performs a rope-drawing movement, and pulls the rope 360 roughly along the direction of motion P. Long enough to achieve pulling rope while lying on your back.

Wherein the supine motion can be the supine motion in the sit-up exercise, so the user can perform the rope-drawing exercise while performing the sit-up exercise. However, the utility model is not limited to be used in sit-ups, as long as the exercise base 100 that can perform supine motions can be applied to the utility model, so that the utility model can be performed while doing supine exercise or lying on the back and stretching together. effect. Also therefore motion base 100 is not limited to the form in the accompanying drawing, motion base 100 also can adopt sit-up board, flat board, curved board, seat that can lean back, or the device that leans back reliably, for example when adopting office When the chair is used as a sports base, you can lean back and draw the rope to stretch your tense body and mind when you are tired from office work.

Among them, the above-mentioned sports drawstring structure, the pull handle 400 is used to perform the pull rope movement, but the pull handle 400 is not necessarily used for hand holding, as long as the pull handle 400 can be held by the user, or fixed on the user's arm or limb, that is Can achieve the function of pull rope. Wherein the handle 400 can be detachably installed on the rope 360, so the pull handle 400 can also be changed and adopted in various forms and alternately installed on the rope 360, which can provide users with different exercise forms to perform the pull rope Movement variability.

And the above-mentioned moving rope structure, since the pivot seat pulley 350 is pivotally arranged on the pivot seat 340, when the pull rope 360 is pulled to perform the rope movement, the rope 360 can swing in the direction of the pivot according to the direction of force applied when the rope moves. R (please refer to FIG. 2 together) pivots the pivot seat 340 so that the rope 360 is not easy to wear, and the user suffers less resistance, and the movement of the rope is smoother.

And above-mentioned motion stay rope structure, because the position that the first intermediary pulley 310, the second intermediary pulley 320, the 3rd intermediary pulley 330 and pivot seat pulley 350 are installed all faces the outer edge of the whole movement stay rope structure, so when any When the intermediate pulley or other internal parts are worn or need to be repaired and replaced, the disassembly and assembly of each part is quite simple and convenient, especially the intermediate pulley is located on the outer edge, so when the intermediate pulley needs to be repaired, only a few parts need to be disassembled to complete the repair , without the need to disassemble too many other parts, to achieve the effect of convenient maintenance.

Please refer to FIG. 8 and FIG. 9 . FIG. 8 shows a partial perspective view of the draw cord seat 200 and the draw cord set 300 according to another embodiment of the utility model, and FIG. 9 shows an exploded view of the components in FIG. 8 . The stay cord group 300 of the motion stay cord structure shown in Fig. 8～Fig. 9 adopts two intermediary pulleys, respectively is the first intermediary pulley 310 and the second intermediary pulley 320, and the symbols of the rest of the accompanying drawings are the same as those mentioned above. same parts. Then the first intermediary pulley 310 can be pivotally installed on the first end 210 of the stay cord base 200, the second intermediary pulley 320 can be pivotally installed on the second end 220 of the stay cord base 200, and the rope 360 can be fixed on the end of the stay cord base 200. At the first end 210 , the rope 360 winds along the moving direction P from the fixed place and passes through the second intermediary pulley 320 , the first intermediary pulley 310 and the pivot pulley 350 . Wherein the pull cord set 300 may further include a pull handle (not shown). The drawstring set 300 can be installed in the sports drawstring structure shown in FIG. 1 or FIG. 5 to replace the original drawstring set 300 , and its operation method is similar to that shown in FIGS. 6 to 7 .

Therefore, the exercise rope structure according to the embodiments shown in FIGS. 8 to 9 also has the effect of allowing the user to perform the exercise of the rope while performing the sit-up exercise. Moreover, since the pivot base 340 can pivot in the pivoting direction R, the rope 360 is not easy to be worn when the user operates the movement drawstring structure, and the resistance suffered by the user is smaller, and the drawstring moves more smoothly. Furthermore, the intermediary pulley 310 can face the outer edge of the overall movement rope structure, so when any intermediary pulley 310 or other internal parts are worn out or need to be repaired and replaced, only a few parts can be disassembled to complete the maintenance, achieving The effect of easy maintenance.

Please refer to FIG. 10 and FIG. 11 . FIG. 10 shows a partial perspective view of the draw cord seat 200 and the draw cord set 300 of the motion draw cord structure according to yet another embodiment of the present invention. FIG. 11 shows an exploded view of the parts in FIG. The stay cord set 300 of the motion stay cord structure shown in FIGS. 10 to 11 uses only one intermediary pulley, that is, the first intermediary pulley 310 , and the symbols in the rest of the drawings are the same parts as those described above. Then the first intermediary pulley 310 can be pivotally installed on the second end 220 of the stay rope base 200, the rope 360 can be fixed on the second end 220 of the stay rope base 200, and the rope 360 can go around the intermediary pulley 310 along the moving direction P from the fixed place. And pivot block pulley 350. Wherein the pull cord set 300 may further include a pull handle (not shown). The drawstring set 300 can be installed in the sports drawstring structure shown in FIG. 1 or FIG. 5 to replace the original drawstring set 300 , and its operation method is similar to that shown in FIGS. 6 to 7 .

Therefore, the exercise drawstring structure according to the embodiments shown in FIGS. 10 to 11 also has the effect of allowing the user to perform the drawstring exercise while performing the sit-up exercise. Moreover, since the pivot base 340 can pivot in the pivoting direction R, the rope 360 is not easy to be worn when the user operates the movement drawstring structure, and the resistance suffered by the user is smaller, and the drawstring moves more smoothly. Moreover, the first intermediary pulley 310 can be outside the outer edge of the overall movement rope structure, so when the first intermediary pulley 310 or other internal parts are worn out or need to be repaired and replaced, only a few parts need to be disassembled to complete. Maintenance, to achieve the effect of convenient maintenance.

Please refer to FIG. 12 and FIG. 13 . FIG. 12 shows a partial perspective view of the draw cord seat 200 and the draw cord set 300 of the motion draw cord structure according to yet another embodiment of the present invention, and FIG. 13 shows an exploded view of the parts in FIG. 12 . The stay cord set 300 of the movement stay cord structure shown in FIGS. 12 to 13 does not use any intermediary pulley, and the symbols in the rest of the drawings are the same parts as those described above. Then the rope 360 can be fixed on the first end 210 of the pull rope seat 200 , and the rope 360 goes along the moving direction P and winds around the pivot pulley 350 from the fixed place. Wherein the pull cord set 300 may further include a pull handle (not shown). The drawstring set 300 can be installed in the sports drawstring structure shown in FIG. 1 or FIG. 5 to replace the original drawstring set 300 , and its operation method is similar to that shown in FIGS. 6 to 7 .

Therefore, the exercise drawstring structure according to the embodiments shown in FIGS. 12 to 13 also has the effect of allowing the user to perform the drawstring exercise while performing the sit-up exercise. Moreover, since the pivot base 340 can pivot in the pivoting direction R, the rope 360 is not easy to be worn when the user operates the movement drawstring structure, and the resistance suffered by the user is smaller, and the drawstring moves more smoothly. The pivot block pulley 350 can be outside the outer edge of the integral movement stay rope structure, so when the pivot seat pulley 350 or other internal parts are worn out or need to be repaired and replaced, only a few parts can be disassembled to complete the maintenance, achieving The effect of easy maintenance.

The number of intermediary pulleys of the stay cord set 300 according to the motion stay rope structure of the present invention is not limited to one, two or three as described above, and the number of intermediary pulleys can be increased according to actual needs, or there is no intermediary pulley. pulleys, and can achieve the effect of allowing the user to perform sit-ups while performing the rope movement, and due to the setting of the pivot seat 340, the pivot seat 340 drives the pivot seat pulley 350 to pivot in the pivot swing direction R , so that the rope 360 is not easy to be worn when the user operates the movement drawstring structure, and the resistance suffered by the user is smaller, and the drawstring moves more smoothly. When each intermediary pulley faces the outer edge of the integral movement stay rope structure, the advantage of convenient maintenance can be achieved.

It can be seen from the above embodiments of the utility model that the application of the utility model has the following advantages.

1. It can perform supine movement and rope pulling movement at the same time, and exercise multiple muscle groups of the body at the same time, such as the abdomen and arms.

2. Improve the variability of exercise. Depending on the user's needs, it can be changed to only use the supine exercise or the soothing function of lying on the back, or only do the rope pulling exercise, or perform both lying on the back and pulling the rope. Improve the variability and fun of the exercise, can better cultivate the user's exercise habits, and also increase the practicability of the exercise rope structure of the utility model.

3. The rope is not easy to wear, which makes the overall sports drawstring structure more durable, and at the same time provides users with a smoother and smoother exercise experience.

4. It is easy to maintain and also makes follow-up maintenance easier.

5. It is easy to store, and the drawstring seat can be pivoted and retracted toward the sports base to save storage space.

Although the present utility model has been disclosed as above in terms of implementation, it is not intended to limit the present utility model. Anyone familiar with the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the scope of protection of the present utility model should be as defined by the appended claims.

Claims (14)

1. A kind of sports stay rope structure, it is characterized in that, it comprises: a sports base; A drawstring seat, which has a first end and a second end along a movement direction, and the first end is correspondingly installed on the movement base; a pivot seat, which is pivotably arranged at the second end of the drawstring seat, and the pivot direction of the pivot seat is corresponding to the corresponding movement direction; a pivot block pulley pivoted on the pivot; and A rope, one end of which is fixed on the pull rope seat, the rope goes around the pivot block pulley along the moving direction, and the other end of the rope is used for stretching during movement. 2. The motion stay cord structure according to claim 1, further comprising: At least one intermediate pulley is pivotally arranged at the first end or the second end of the stay rope base, wherein the rope goes around the intermediate pulley and the pivot pulley along the moving direction. 3 . The cable-drawing structure for sports according to claim 1 , wherein the first end of the cable-staying seat further has a positioning portion for positioning the cable-staying seat to form a preset angle with respect to the sports base. 4 . 4. The exercise cord structure of claim 1, wherein the cord is an elastic cord. 5. The motion pull cord structure according to claim 1, further comprising: A pull handle is located at the other end of the rope. 6. The sports pull cord structure according to claim 5, wherein the handle is detachably mounted on the cord. 7. A kind of motion stay rope structure, it is characterized in that, it comprises: a sports base; A drawstring seat, which has a first end and a second end along a movement direction, and the first end is correspondingly installed on the movement base; and Two stay cord sets are arranged side by side on the stay cord base, and each stay cord set includes: a pivot seat, which is pivotably arranged at the second end of the drawstring seat, and the pivot direction of the pivot seat is corresponding to the corresponding movement direction; a pivot block pulley pivoted on the pivot; and A rope, one end of which is fixed on the pull rope seat, the rope goes around the pivot block pulley along the moving direction, and the other end of the rope is used for stretching during movement. 8. The motion stay cord structure according to claim 7, wherein each stay cord set further comprises: At least one intermediate pulley is pivotally arranged at the first end or the second end of the stay rope base, wherein the rope goes around the intermediate pulley and the pivot pulley along the moving direction. 9 . The cable-drawing structure for sports according to claim 7 , wherein the first end of the cable-staying seat further has a positioning portion for positioning the cable-staying seat to form a preset angle with respect to the sports base. 10. The exercise cord structure of claim 7, wherein the cord is an elastic cord. 11. The sports stay cord structure according to claim 7, wherein each stay cord set further comprises: A pull handle is located at the other end of the rope. 12. The sports pull cord structure according to claim 11, wherein the handle is detachably mounted on the cord. 13. A sports drawstring structure, characterized in that it comprises: a sports base; A rope-drawing seat, the rope-drawing seat has a first end and a second end along a movement direction, the first end is correspondingly pivoted on the motion base, and the first end of the rope-drawing seat also has a a positioning part, used for positioning the stay cord base to form a preset angle with respect to the motion base; and Two stay cord sets are arranged side by side on the stay cord base, and each stay cord set includes: a pivot seat, which is pivotably arranged at the second end of the drawstring seat, and the pivot direction of the pivot seat is corresponding to the corresponding movement direction; A pivot seat pulley, which is pivotally arranged on the pivot seat; at least one intermediate pulley pivotally mounted on the first end or the second end of the cable holder; A rope, one end of which is fixed to the rope base, the rope is wound around the intermediate pulley and the pivot pulley sequentially along the moving direction, and the other end of the rope is used for movement and stretching; and A pull handle is mounted on the other end of the rope. 14. The pull cord structure for sports according to claim 13, wherein the handle is detachably mounted on the cord.

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