TW202227163A - Fitness wheel structure having an adjustable displacement stroke for users of various body shapes - Google Patents

Abstract

A fitness wheel structure includes a shaft bar and a roller, wherein the shaft bar has an external thread segment at the middle section and two socket parts located at both ends. The two socket parts are respectively sleeved with a handle. An internal thread hole is set at the center of the roller, and the roller is screwed along the external thread segment to be assembled on the shaft bar through the internal thread hole. Thus, when the fitness wheel performs a push-pull action, the roller will be displaced along the external thread segment of the shaft bar at the same time, and the traveling distance of the roller displaced on the external thread segment can be defined corresponding to the user's body shape so that it is suitable for all users to use, especially suitable for petite women or children, thereby greatly improving the practicability of the structure. When the fitness wheel is pushed forward by the user, the roller will also be displaced linearly along the external thread segment so that the displacement program of the roller from the handle to any position of the external thread segment can be obtained corresponding to the body shape of the user and then any position of the external thread segment is used as a starting point to push forward so as to enable the roller to displace in the direction of the handle and abut against the stop, thereby further achieving the braking effect of the roller that is beneficial for the user to pull back and forth.

Description

fitness wheel structure

The present invention relates to a fitness wheel, which refers to a fitness wheel structure that can adjust the displacement stroke and is suitable for users of various body types.

The fitness wheel is a common sports equipment on the market. Its basic type is as shown in Chinese Patent Gazette No. 030499 and Chinese Patent Gazette No. 216382. It consists of more than one roller pivoting on a shaft. The user usually takes a kneeling position and holds both ends of the shaft with both hands to push it forward and backward along the radial direction, so that the roller touches the ground for rolling; through such a reciprocating action, the user can achieve the effect of fitness.

In order to improve the efficacy of the above-mentioned fitness wheels, several improved designs of fitness wheels have been proposed so far. For example, the improved mechanism of fitness wheel in Chinese Patent Gazette No. M347196 is composed of at least one shaft and one roller set. Wherein, the shaft rod is respectively provided with a left threaded portion and a right threaded portion at appropriate positions on its surface; the roller set at least includes a first roller, a second roller and a flexible element, wherein the first roller is The second roller is sleeved on the left threaded portion of the shaft to generate left helical motion relative to the shaft, and the second roller is sleeved on the right threaded portion of the shaft to generate right helical motion relative to the shaft, The flexible element connects the first roller and the second roller to exert a pulling force (or a pushing force) between the first roller and the second roller. Preferably, the first roller and the second roller have the same outer diameter, and the first roller is engaged with the left threaded portion of the shaft through a left-threaded central hole, and the second roller is The right threaded central hole is engaged with the right threaded portion of the shaft.

When the above-mentioned fitness wheel holds both ends of the shaft with both hands and pushes it forward along its radial direction, the first roller and the second roller are in contact with the ground at the same time to roll, and respectively move along the axial direction of the shaft. Symmetrical translation, the first roller and the second roller system respectively perform left and right helical motions relative to the shaft to be in a moving state of moving away from each other (or approaching each other), and in the process, the first roller and the The pulling force (or pushing force) generated by the flexible element of the second roller provides the resistance of the first and second rollers to slide forward through the flexible element in a timely manner, so as to avoid the user's lack of strength or exceeding his own exercise ability. Suspected of getting injured when lying down, but since the flexible element between the first and second rollers is a spring, the elastic fatigue still occurs under long-term use, and the resistance support effect cannot be effectively provided, so that the user is at risk of injury.

In view of this, the inventor of the present invention has been engaged in the manufacture, development and design of related products for many years, aiming at the above-mentioned goals, after detailed design and careful evaluation, finally came up with a practical invention.

The technical problem to be solved by the present invention is to provide a fitness wheel structure in view of the above-mentioned deficiencies in the prior art.

The above structure includes: a shaft rod and a roller, the shaft rod has an external thread segment located in the middle section and two socket parts located at both ends, and the two socket parts are respectively covered with a handle, and the center of the roller is located at the center. An inner thread hole is provided, and the roller is screwed and assembled on the shaft rod along the outer thread segment through the inner thread hole.

Preferably, the shaft rod is further provided with a limit screw, a screw hole is set at the center of the limit screw, and the screw hole is screwed to the outer thread segment.

Preferably, an inner screw hole is formed through the outer diameter surface of the limiting screw and the inner diameter of the screwing hole, and the inner screw hole is provided for locking a non-return screw.

Preferably, a plurality of concave portions and convex portions are continuously formed on the outer diameter surface of the limiting screw.

Preferably, the external thread segment is a sleeve with external threads, and is tightly sleeved at the central position of the shaft.

Preferably, the sleeve is connected with the shaft through at least two pins.

Preferably, one end of the external thread segment has a blank segment without threads.

Preferably, one end of the outer thread segment has a larger outer diameter against the convex wall.

Preferably, the wheel surface of the roller is any one of a flat surface, an inclined surface and a circular arc surface.

Compared with the effect of the prior art: when the fitness wheel of the present creation performs the push-pull action, the roller will be displaced along the outer thread segment of the shaft at the same time, and the roller can be defined on the outer thread according to the user's body shape. The stroke distance of the displacement of the segment is determined, and the position obtained by the roller at the outer thread segment is used as the starting point for pushing the fitness wheel, and the grip is used as the end point for pushing the fitness wheel, so that the user can hold the fitness wheel to the When pushing forward, the roller can stop forward pushing against the handle in a timely manner, so as to avoid getting down and getting injured due to insufficient strength, so that the displacement stroke of the roller can be adjusted and defined in advance according to the different users, so as to meet the needs of all users. , especially suitable for petite women or children, greatly improving the practicability of the structure.

10: Axle

11: External thread segment

110: Sleeve

111: latch

112: blank segment

113: Against the convex wall

12: Socket

13: Grip

20: Roller

21: Internal screw thread

22: Flat

23: Bevel

24: Arc surface

30: Limit screw

31: screw holes

32: Internal screw hole

33: Anti-return screw

34: Recess

35: convex part

[Fig. 1] is a perspective view of the present invention.

[Fig. 2] is an exploded view of the present invention.

[FIG. 3] is a combined plan view of the present invention.

[FIG. 4] is a combined cross-sectional view of the present invention.

[FIG. 5] is a schematic diagram of the present invention where the male thread segments are various types of sleeves with male threads.

[Fig. 6] is a schematic diagram of various wheel surfaces of the roller of the present invention.

[Fig. 7] is a schematic diagram of the roller of the present invention first obtaining the displacement stroke.

[Fig. 8] is a schematic diagram of the push-pull action of the roller of the present invention with the limit screw as the starting point and the handle as the end point.

In order to enable your examiners to have a further understanding and understanding of the purpose, features and effects of the present invention, please describe in detail as follows in conjunction with [Brief Description of Drawings]:

First, please refer to Figures 1, 2, and 3, a structure of a fitness wheel, which includes: a shaft 10 and a roller 20, the shaft 10 has an external thread segment 11 at the middle and two ends. The second socket part 12, the two socket parts 12 are respectively sleeved with a handle 13, an inner screw thread hole 21 is provided at the center of the roller 20, and the roller 20 is passed through the inner screw thread hole 21 along the The outer screw thread segment 11 is screwed and assembled on the shaft rod 10 , and the shaft rod 10 is further provided with a limit screw 30 , and a screw hole 31 is set at the center of the limit screw 30 , and the screw hole is connected with the screw hole 31 . The 31 screw is assembled on the outer screw thread section 11, and the limiting screw 30 is provided with an inner screw hole 32 through the outer diameter surface and the inner diameter of the screw hole 31, and the inner screw hole 32 is provided for locking a A plurality of concave parts 34 and convex parts 35 are continuously formed on the outer diameter surface of the stop screw 33 and the limit screw 30 .

For an embodiment of its structure, please refer to Figures 1 to 3 and Figures 4 and 5. The external thread segment 11 is a sleeve 110 with external threads, and is tightly sleeved in the center of the shaft 10 The sleeve 110 is connected with the shaft 10 through at least two pins 111 to prevent the sleeve 110 from rotating on the outer circumference of the shaft 10, and one end of the external thread segment 11 has no thread. A blank section 112 , or one end of the outer thread section 11 with a larger outer diameter abuts against the bulge 113 .

In addition, please refer to FIG. 6 again, the wheel surface of the roller 20 is any one of the flat surface 22 , the inclined surface 23 and the arc surface 24 .

For the actual use state of its structure, please refer to Figures 4, 7, and 8. When the fitness wheel is in use, the shaft 10 and the handle 13 are used to provide the user's hands to hold, and kneeling is used. When the fitness wheel is pushed and pulled back by the user, the roller 20 will be linearly displaced along the outer thread segment 11 at the same time, so that the first The displacement distance of the roller 20 from the handle 13 to any position of the external thread segment 11 is obtained according to the user's body shape, and then the limiting screw 30 is screwed against the external thread segment 11. On the side of the roller 20, the stop screw 33 is locked into the inner screw hole 32 against the outer screw thread section 11, and then the limiting screw 30 is limited and positioned, so that the limiting screw 30 and the handle 13 define a push-pull stroke suitable for the user's body shape, so that when actually pushing and pulling the fitness wheel for fitness exercise, any position of the external thread segment 11 (that is, the limit The fixed position of the screw 30) is used as a starting point to push forward, so that the roller 20 is displaced in the direction of the handle 13 and abuts against the stop, which further achieves the braking effect of the roller 20 and prevents the roller 20 from rolling forward. The situation of the person lying down occurs, which is beneficial for the user to pull back and perform reciprocating action; on the contrary, when the fitness wheel is pulled back, it will return to any position of the outer thread segment 11 (that is, the limit the fixed position of the screw member 30), ready for the next forward push action.

With the structure of the above-mentioned specific embodiment, the following benefits can be obtained: when the fitness wheel of the present invention performs the push-pull action, the roller 20 will be displaced along the outer screw thread segment 11 of the shaft 10 at the same time, and the user can first respond to the push-pull action. The body shape defines the displacement travel distance of the roller 20 on the external thread segment 11, and the position obtained by the roller 20 on the external thread segment 11 is used as the starting point for pushing the fitness wheel, and the handle 13 is used as the starting point for pushing the fitness wheel. Push the end point of the fitness wheel so that when the user holds the fitness wheel and pushes it forward, the The roller 20 can stop forward pushing against the handle 13 in a timely manner, so as to avoid injury when lying down due to insufficient strength, so that the displacement stroke of the roller 20 can be adjusted and defined in advance according to different users, which is suitable for all users, especially It is suitable for use by petite women or children, greatly improving the practicality of the structure.

To sum up, the present invention has indeed achieved a breakthrough structural design, and has an improved content of the invention, and at the same time can achieve industrial applicability and progress, and the present invention has not been found in any publications, and it is also novel. In accordance with the provisions of the relevant laws and regulations of the Patent Law, the patent application for invention is filed in accordance with the law, and I urge the examination committee of the Jun Bureau to grant the legal patent right.

Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention; that is, all equivalent changes and modifications made according to the scope of the patent application of the present invention should still belong to the present invention. covered by the patent.

10: Axle

11: External thread segment

12: Socket

13: Grip

20: Roller

21: Internal screw thread

30: Limit screw

31: screw holes

32: Internal screw hole

33: Anti-return screw

34: Recess

35: convex part

Claims (9)

A fitness wheel structure, comprising: a shaft rod and a roller, the shaft rod has an external thread segment located in the middle section and two socket parts located at both ends, and the two socket parts are respectively covered with a handle, An inner thread hole is set at the center of the roller, and the roller is screwed along the outer thread segment to be assembled on the shaft through the inner thread hole. When the fitness wheel is pushed forward by the user, The roller will also move linearly along the outer thread segment, so that the displacement stroke of the roller from the handle to any position of the outer thread segment can be obtained according to the user's body shape, and then the outer thread can be used to obtain the displacement stroke of the roller from the handle to any position of the outer thread segment. Any position of the segment is used as the starting point to push forward, so that the roller is displaced in the direction of the handle and abuts against the stop, which further achieves the braking effect of the roller, so as to facilitate the user to pull back the reciprocating operator. The fitness wheel structure as claimed in claim 1, wherein the shaft is further provided with a limit screw, a screw hole is formed in the center of the limit screw, and the screw hole is screwed to the outer part. Screw segment. The exercise wheel structure as claimed in claim 2, wherein the limiting screw is provided with an inner screw hole through the outer diameter surface and the inner diameter of the screw hole, and the inner screw hole is provided for locking a non-return screw. The exercise wheel structure according to claim 3, wherein a plurality of concave parts and convex parts are continuously formed on the outer diameter surface of the limiting screw. The exercise wheel structure according to claim 1, wherein the outer thread segment is a sleeve with an outer thread, and is tightly sleeved at the central position of the shaft. The fitness wheel structure as claimed in claim 5, wherein the sleeve is further connected to the shaft through at least two bolts. The exercise wheel structure according to claim 1 or 5, wherein one end of the outer thread segment has a blank segment without threads. The fitness wheel structure according to claim 1 or 5, wherein one end of the outer thread segment has a larger outer diameter abutting against the convex wall. The fitness wheel structure according to claim 1, wherein the wheel surface of the roller is any one of a flat surface, an inclined surface and a circular arc surface.

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