CN109692422B

CN109692422B - Sports apparatus with variable resistance

Info

Publication number: CN109692422B
Application number: CN201710992584.9A
Authority: CN
Inventors: 刘时维; 黄铉富
Original assignee: Dyaco International Inc
Current assignee: Dyaco International Inc
Priority date: 2017-10-23
Filing date: 2017-10-23
Publication date: 2023-04-07
Anticipated expiration: 2037-10-23
Also published as: CN109692422A

Abstract

The invention discloses a sports apparatus with variable resistance. The exercise apparatus includes a fluid tank, one or more paddles, a drive device, and an adjustment device. The fluid tank is filled with a fluid. One or more paddles are positioned within the fluid chamber. The driving device comprises an adjusting rod to be connected with the one or more paddles, the driving device is used for transmitting the force of a user, and the one or more paddles are rotated through the adjusting rod. The adjusting device is used for adjusting the height of the blade in the fluid, so that the blade has different rotation resistance when rotating in the fluid.

Description

Sports apparatus with variable resistance

Technical Field

The invention relates to a sports apparatus with variable resistance.

Background

An indoor rowing machine (indoor power) or rowing machine (rowing machine) is a machine used to simulate the movement of a water racing boat, and its purpose is to exercise or rowing training.

U.S. Pat. No. 4,884,800 discloses a rowing machine. The rowing machine is characterized by having a hollow vessel filled with water. In the pulling part of each water stroke, the paddle in the water in the container is rotated by pulling the driving rope to generate momentum effect. Turbulence of the water provides resistance to the rotation of the paddle. The rowing machine provided in this patent is not adjustable in resistance.

U.S. Pat. No. 7,628,739 discloses a variable impedance rowing machine having a first fluid chamber and a second fluid chamber. The rotation mechanism is rotatable within the first fluid chamber. The amount of resistance to rotation of the rotating mechanism is determined by the amount of fluid in the first fluid chamber. The second fluid chamber is located within or adjacent to the first fluid chamber. The fluid in the first fluid chamber is adjusted to the appropriate amount using the second fluid chamber so that the rowing machine has the required resistance. The fluid flows through the first fluid chamber, enters the second fluid chamber, and then flows back to the first fluid chamber. By controlling the fluid such that the fluid in the first fluid chamber is adjusted to an appropriate amount, a rowing machine with different resistance can be provided.

Disclosure of Invention

The invention relates to a sports apparatus with variable resistance. The invention aims to provide the sports equipment with variable resistance, so that a user can conveniently and quickly adjust the operation resistance.

According to one embodiment of the present invention, an exercise apparatus includes a fluid tank, one or more paddles, a drive device, and an adjustment device. The fluid tank is filled with a fluid. The one or more paddles are disposed within the fluid chamber. The driving device comprises an adjusting rod to be connected with the one or more paddles, the driving device is used for transmitting the force of a user, and the one or more paddles are rotated through the adjusting rod. The adjusting device is used for adjusting the height of the one or more blades in the fluid, so that the one or more blades have different rotating resistance when rotating in the fluid.

In one embodiment, the adjusting device comprises a knob and a link mechanism, the knob is connected with the link mechanism, the link mechanism is connected with the adjusting rod, and the knob can be rotated to adjust the height of the adjusting rod.

In one embodiment, the link mechanism includes a transverse fixing tube, a link seat, a pivot seat, a link rod, and a nut, the transverse fixing tube is connected between the two side tubes, the pivot seat is connected below the transverse fixing tube, the link seat and the rear end of the link rod are connected to the pivot seat, the knob has threads to engage with the nut and then is fixed to the fixing seat, and the front end of the link rod is connected to the adjusting rod.

In one embodiment, the connecting rod has slots on its two sides, and the fixing element is set inside the slots and fixed to the upper end of the regulating rod.

In one embodiment, the adjustment device includes a knob having internal threads that engage threads on the upper end of the adjustment rod, and rotation of the knob causes the adjustment rod to move up and down.

In one embodiment, the adjusting device further comprises a knob cover and a fixing base, wherein the knob cover is located below the knob and fixed on the fixing base, and the fixing base is fixed on the upper supporting tube.

In one embodiment, the adjusting device includes a core shaft, an operating member, a sleeve, two springs, a fixing plate and a connecting member, wherein the fixing plate is fixed between two side pipes of the sports equipment, the core shaft passes through the sleeve, the upper end of the core shaft is fixed with the fixing plate, the lower end of the core shaft is fixed with an upper supporting pipe of the sports equipment, the operating member passes through an opening of the sleeve, the two springs are located inside the sleeve and respectively located at two sides of the operating member and passed through by the core shaft, each spring has a first end and a second end, the first end is connected with the inner wall of the sleeve, the second end is connected with the operating member, and two ends of the connecting member are respectively connected with the adjusting rod and the sleeve.

In one embodiment, the inner diameter of the two springs is smaller than the outer diameter of the spindle when the user does not press the operation member; when the user presses the operating piece, the inner diameters of the two springs are larger than the outer diameter of the mandrel.

In one embodiment, the exercise apparatus is a rowing machine.

In one embodiment, the rowing machine comprises a front transverse pipe, a rear transverse pipe, two side pipes, an upper support pipe, a guide rail, a seat cushion and two pedals, wherein first ends of the two side pipes are connected with the front transverse pipe, second ends of the two side pipes are connected with the front end of the guide rail, the two pedals are respectively pivoted on two sides of the guide rail, the upper support pipe is positioned between the two side pipes and connected with the two side pipes, the rear end of the upper support pipe is connected with the front end of the guide rail, the rear end of the guide rail is connected with the rear transverse pipe, and the seat cushion moves back and forth on the guide rail through pulleys.

In one embodiment, the driving device further comprises a handle, one or more guide wheels, a webbing seat, and a pull-back mechanism, wherein the lower end of the adjusting rod is connected with the one or more paddles, the center of the webbing seat is connected with the adjusting rod, the webbing is wound on the webbing seat, and the webbing is pulled out of the webbing seat and passes through the one or more guide wheels to be connected with the handle.

Compared with the prior art, the invention has obvious advantages and beneficial effects. By the technical scheme, the invention at least has the following advantages: when the user uses the sports equipment with variable resistance, the user can conveniently and quickly adjust the operation resistance.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1A is a perspective view showing an exercise apparatus with variable resistance according to a first embodiment of the present invention.

FIG. 1B is a partial perspective view showing a driving apparatus of sporting goods having variable resistance according to the first embodiment of the present invention

Fig. 2A is a partial perspective view showing an exercise apparatus with variable resistance according to a first embodiment of the present invention.

Fig. 2B is a partial side view showing the sporting goods according to the first embodiment of the present invention having variable resistances.

Fig. 2C is a partial perspective view showing an adjustment device of the sporting goods having a variable resistance according to the first embodiment of the present invention.

Fig. 3A is a partial perspective view showing an exercise apparatus with variable resistance according to a first embodiment of the present invention.

Fig. 3B is a partial side view showing the sporting goods according to the first embodiment of the present invention having variable resistances.

Fig. 4 is a partial perspective view showing an exercise apparatus having variable resistance according to a second embodiment of the present invention.

Fig. 5 is a side view showing an exercise apparatus with variable resistance according to a second embodiment of the present invention.

Fig. 6 is a side view showing an exercise apparatus having variable resistance according to a second embodiment of the present invention.

Fig. 7 is a partial perspective view showing an exercise apparatus with variable resistance according to a third embodiment of the present invention.

Fig. 8 is a partial perspective view showing an adjustment device of exercise equipment having variable resistance according to a third embodiment of the present invention.

Fig. 9 is a side view showing an exercise apparatus with variable resistance according to a third embodiment of the present invention.

Fig. 10 is a side view showing an exercise apparatus with variable resistance according to a third embodiment of the present invention.

[ description of main element symbols ]

1: the sports equipment 2: sports equipment

3: the sports apparatus 10: fluid tank

11: the blade 12: drive device

13: the adjusting device 13': adjusting device

13": the adjusting device 20: front horizontal tube

21: rear cross tube 22: side pipe

23: upper support tube 24: guide rail

25: seat cushion 26: pedal

27: pulley 28: chassis

121: handle 122A: guide wheel

122B: guide pulley 122C: guide wheel

123: webbing seat 124: pull-back mechanism

125: the adjusting lever 126: woven tape

130: the link mechanism 131: rotary knob

132: horizontal fixing tube 133: connecting rod seat

134: the pivoting seat 135: connecting rod

136: nut 137: rotary knob

138: the knob cover 139: fixed base

141: spindle 142: operating element

143: sleeve 144: spring

145: fixing plate 146: connecting piece

147: a support sheet 1351: narrow hole

1352: fixing element

Detailed Description

The following detailed description of the embodiments of the present disclosure will be given with reference to the accompanying drawings. Aside from the detailed description, this invention is capable of general implementation in other embodiments and its several details are capable of modifications in various obvious respects, all without departing from the scope of the present disclosure. In the description of the specification, numerous specific details are set forth in order to provide a more thorough understanding of the invention; however, the present invention may be practiced without some or all of these specific details. In other instances, well known process steps or elements have not been described in detail in order to not unnecessarily obscure the present invention.

Fig. 1A is a perspective view showing an exercise apparatus 1 having variable resistance according to a first embodiment of the present invention. As shown in fig. 1A, the main components of the sporting goods 1 include a fluid tank 10, a paddle 11, a driving device 12, and an adjusting device 13. The fluid tank 10 may be filled with a suitable amount of fluid 15, which is preferably water, but may also be oil or other solution or fluid, with other components added as desired. The fluid chamber 10 may have an opening (not shown) to facilitate injection of the fluid 15 or to adjust the height of the fluid 15 within the fluid chamber 10. The paddle 11 is disposed in the fluid tank 10, and the number of the paddles 11 may be one or more. A user may apply force to the drive device 12 to rotate the blades 11. In addition, the user can adjust the height of the blade 11 in the fluid 15 by the adjusting device 13, so that the blade 11 has different rotation resistances when rotating in the fluid 15, thereby providing the sports apparatus with different resistances.

As shown in fig. 1A, the sporting goods 1 is preferably a rowing machine, but is not limited thereto. By way of illustration and not limitation, the exercise apparatus 1 includes a front cross tube 20, a rear cross tube 21, two side tubes 22, an upper support tube 23, a guide rail 24, a seat cushion 25, and two pedals 26. Two connected side tubes 22 are connected at one end to the front cross tube 20 and at the other end to the front end of a guide rail 24, and two sides of the guide rail 24 are respectively pivoted or connected to a pedal 26. An upper support tube 23 is located between and connects the two side tubes 22. The rear ends of the upper support tubes 23 are connected to the front ends of the guide rails 24, and the rear ends of the guide rails 24 are connected to the rear cross tube 21. Further, the seat cushion 25 is movable forward and backward on the guide rail 21 by a pulley 27. In addition, a removable chassis 28 is mounted between the front cross tubes 20 and the rails 24 to support the fluid tank 10. The chassis 28 may have a cross-shaped configuration, but is not limited thereto.

Fig. 1B is a partial perspective view showing a driving apparatus of the sporting goods 1 according to the first embodiment of the present invention. As shown in fig. 1A-1B, drive device 12 includes a handle 121, one or more guide wheels 122A/B/C, a webbing mount 123, a pullback mechanism 124, and an adjustment rod 125. The lower end of the adjusting rod 125 is connected to the paddle 11, and the center of the webbing mount 123 is connected to the adjusting rod 125. The webbing mount 123 has a one-way bearing (not shown). The webbing 126 is wound around the webbing holder 123, and is pulled out of the webbing holder 123, and is connected to the handle 121 after being redirected by the three

guide rollers

122A, 122B, and 122C. The number and location of idler 122A/B/C can be varied as desired. The user sits on the seat cushion 25, places his feet on the two pedals 26, holds the handle 121, and rotates the webbing holder 123 by pulling the handle 121, thereby rotating the paddle 11. The pullback mechanism 124 is connected to the webbing holder 123 and is rotatable with the webbing holder 123, and the pullback mechanism 124 is configured to pull the webbing 126 back into the webbing holder. For example, a worm gear spring (not shown) may be disposed within the retraction mechanism 124, and provide a force to retract the webbing 126 into the webbing seat 123.

Fig. 2A and 3A are partial perspective views, and fig. 2B and 3B are partial side views showing the sporting goods 1 according to the first embodiment of the present invention, in which some elements are not shown in the drawings for clarity. As shown in fig. 1A to 3B, the adjusting device 13 includes a link mechanism 130 and a knob 131. The knob 131 is connected to the link mechanism 130, the link mechanism 130 is connected to the adjusting rod 125, and the knob 131 can be rotated to adjust the height of the adjusting rod 125.

Fig. 2C is a partial perspective view showing details of the adjustment device 13. As shown in fig. 1A to 3B, the link mechanism 130 may include a transverse fixing tube 132, a link base 133, a pivot base 134, a link 135, a nut 136, and the like. The lateral fixing tube 132 is connected between the two side tubes 22, and the pivot seat 134 is connected below the lateral fixing tube 132. The link seat 133 and the rear end of the link 135 are connected to the pivot seat 134. The upper fixing base 133 and the link base 135 may be integrally formed. The knob 131 is threaded and engaged with the nut 136 and then fixed to the holder 133. The connecting rod 135 has a narrow hole 1351 at both sides of the front end thereof, and a fixing member 1352 is placed in the narrow hole 1351 and fixed to the upper end of the adjusting lever 125.

As shown in fig. 1A to 3B, the user can adjust the rotation resistance of the paddle 11 by rotating the knob 131 to drive the link base 135 to raise or lower the adjusting rod 125, resulting in a difference in the depth of the paddle 11 in the fluid, thereby providing the exercise apparatus 1 with different resistances. Fig. 2A and 2B show the knob 131 being rotated such that the knob 131 depresses the link base 133, causing the forward end of the link 135 secured to the link base 133 to tilt up and raise the adjustment rod 125, moving the paddle 11 up in position in the fluid 15 and reducing the rotational resistance. The knob 131 shown in fig. 3A and 3B is rotated to pull up the link base 133 by the knob 131, so that the tip of the link 135 fixed to the link base 133 sinks to lower the adjustment lever 125, and the position of the paddle 11 in the fluid 15 is moved downward to increase the rotational resistance. Knob 131 may be rotated as necessary to adjust to the appropriate resistance value.

Fig. 4 is a partial perspective view, and fig. 5 and 6 are side views showing the sporting goods 2 according to the second embodiment of the present invention, in which fig. 4 does not show some elements for clarity of illustration. The difference between this embodiment and the first embodiment is only the adjusting device 13', and the rest of the elements are the same as those in the first embodiment and are not described again.

As shown in fig. 4 to 6, in the present embodiment, the adjusting device 13' includes a knob 137, a knob cover 138, and a fixing base 139. Adjustment rod 125 is threaded at its upper half or end, knob 137 is internally threaded to engage the threads of adjustment rod 125, knob cover 138 is secured to fixed base 139, and fixed base 139 is secured to upper support tube 23.

In operation, as shown in fig. 4-6, the user rotates knob 137 to move adjustment rod 125 up and down. As shown in FIG. 5, when the adjustment rod 125 is moved upward, the blade 11 is positioned shallower in the fluid and the resistance to rotation is lower. As shown in fig. 6, when the adjustment rod 125 is moved downward, the paddle 11 is positioned deeper in the fluid, and the rotational resistance is higher. Thereby, the sporting goods 1 having different resistances can be provided.

Fig. 7 and 8 are partial perspective views, and fig. 9 and 10 are side views showing a sporting goods 3 according to a third embodiment of the present invention, in which fig. 7 and 8 do not show some elements for clarity of some features. The difference between this embodiment and the first embodiment is only the adjusting device 13 ″, and the rest of the elements are the same as those in the first embodiment and are not described again.

As shown in fig. 7 and 8, the adjusting device 13 ″ has a spindle 141, an operating member 142, a sleeve 143, two springs 144, a fixing plate 145, a connecting member 146, and a support plate 147. The fixing piece 145 is fixed between the two side pipes 22. The mandrel 141 passes through the sleeve 143, the upper end of the mandrel 141 is fixed to the fixing plate 145, and the lower end of the mandrel 141 is fixed to the upper support tube 23. The operating member 142 passes through an opening (not shown) of the sleeve 143. The support tabs 147 are fixed to the sleeve 143 to serve as support points for the application of force. In another embodiment, the support sheet 147 is omitted. Furthermore, two springs 144 are located inside the sleeve 143, one on each side of the operating member 142 and crossed by the spindle 141. Wherein each spring 144 has a first end connected to the inner wall of the sleeve 143 and a second end connected to the operating member 142.

As shown in fig. 7 to 10, in a predetermined condition, i.e., when the user does not press the operation member 142, the inner diameters of the two springs 144 are smaller than the outer diameter of the spindle 141; at this time, the spring 144 is expanded by the spindle 141, and the spindle 141 is locked by the reverse torsion of the spring 144, so that the sleeve 143 is locked on the spindle 141 and cannot move along the spindle 141. When the user presses the operation member 142 with the support plate 147 as a support point, the inner diameter of the spring 144 becomes larger, the inner diameter of the spring 144 is larger than the outer diameter of the spindle 141, the spindle 141 is no longer locked by the spring 144, and the sleeve 143 can move up and down along the spindle 141. The adjusting rod 125 and the sleeve 143 are connected to both ends of the connecting member 146. Therefore, when the sleeve 143 moves up and down, the adjusting rod 125 also moves up and down.

As shown in FIG. 9, when the adjustment rod 125 is moved upward, the blade 11 is positioned shallower in the fluid 15 and its rotational resistance is lower. As shown in fig. 10, when the adjustment rod 125 is moved downward, the paddle 11 is positioned deeper in the fluid 15, and its rotational resistance is higher. Thereby, the sporting goods 1 having different resistances can be provided.

According to the sports equipment provided by the embodiment of the invention, a user can conveniently and quickly adjust the operation resistance.

Various modifications, changes, combinations, permutations, omissions, substitutions, and equivalents will now occur to those skilled in the art, without departing from the spirit of the present invention. Structures or methods that may correspond to or relate to features of embodiments described herein, and/or that may be claimed, disclaimed, or approved by the inventor or assignee hereof, in any application, disclaimer, or application, are incorporated herein as part of the present specification. The incorporated portion, including corresponding, related and modified portions or all thereof, (1) operable and/or configurable (2) modified to be operable and/or configurable by those skilled in the art (3) to make/manufacture/use or incorporate the specification, related applications, and any portion thereof in accordance with the common general knowledge and judgment of those skilled in the art.

Unless specifically stated otherwise, conditional phrases or co-terms, such as "can", "possibly" (result) "," perhaps (light) ", or" may ", are generally intended to convey that the embodiments of the present disclosure have, but may also be interpreted as having, features, elements, or steps that may not be required. In other embodiments, these features, elements, or steps may not be required.

The contents of the documents described herein are incorporated as part of the present specification. The examples provided herein are merely illustrative and are not intended to limit the scope of the present invention. The features and other features of the present invention described herein, including method steps and techniques, may be combined in any combination or variation, part or all of the features or structures described in the related applications, which may be regarded as unequal, separate, or non-alternative embodiments. The features and methods disclosed herein, and their counterparts or relatives, including those derivable therein, and those skilled in the art, may be, in part or in whole, (1) operable and/or configurable (2) to be, based on the knowledge of the person skilled in the art, modified to be operable and/or configurable (3) to be, in part, implemented/manufactured/used or combined with any part of the specification, including (I) any one or more parts of the invention or related structures and methods, and/or (II) any variation and/or combination of the content of any one or more of the inventive concepts and parts thereof described herein, including any variation and/or combination of the content of any one or more of the features or embodiments described herein.

Claims

1. An exercise apparatus, comprising:

a fluid tank having a single tank structure and filled with a fluid;

one or more paddles disposed within the fluid chamber;

a driving device comprising an adjusting rod to connect the one or more paddles, the driving device being configured to transmit a force of a user, the one or more paddles being rotated by the adjusting rod; and

an adjusting device for adjusting the height of the adjusting rod to make the one or more paddles have different heights in the fluid and different rotation resistances when rotating in the fluid;

the adjusting device comprises a knob and a connecting rod mechanism, the knob is connected with the connecting rod mechanism, the connecting rod mechanism is connected with the adjusting rod, the knob can be rotated to adjust the height of the adjusting rod, the connecting rod mechanism comprises a transverse fixing pipe, a connecting rod seat, a pivoting seat, a connecting rod and a nut, the transverse fixing pipe is connected between two side pipes of the sports equipment, the pivoting seat is connected below the transverse fixing pipe, the connecting rod seat and the rear end of the connecting rod are connected with the pivoting seat, the knob is provided with threads and is fixed with the connecting rod seat after being meshed with the nut, the front end of the connecting rod is connected with the adjusting rod, two sides of the front end of the connecting rod are respectively provided with a narrow hole, and a fixing element is arranged in the narrow hole and fixed at the upper end of the adjusting rod.

2. An exercise apparatus, comprising:

a fluid tank having a single tank structure and filled with a fluid;

one or more paddles disposed within the fluid chamber;

a drive device including an adjustment lever to couple to the one or more blades, the drive device configured to transmit a force from a user, the adjustment lever configured to rotate the one or more blades; and

the adjusting device is arranged between the two side pipes of the sports equipment and used for adjusting the height of the adjusting rod so that the one or more paddles have different heights in the fluid and different rotating resistances when rotating in the fluid;

wherein this adjusting device contains the knob, and this knob has internal thread and the screw thread meshing of this adjusting lever upper end, and the rotation of this knob can make this adjusting lever reciprocate, and this adjusting device still contains knob lid and unable adjustment base, and this knob lid is located this knob below and is fixed in on this unable adjustment base.

3. An exercise apparatus, comprising:

a fluid tank having a single tank structure and filled with a fluid;

one or more paddles disposed within the fluid chamber;

the adjusting device comprises a mandrel, an operating part, a sleeve, two springs, a fixing plate and a connecting part, wherein the fixing plate is fixed between two side pipes of the sports equipment, the mandrel penetrates through the sleeve, the upper end of the mandrel is fixed with the fixing plate, the lower end of the mandrel is fixed with an upper supporting pipe of the sports equipment, the operating part penetrates through an opening of the sleeve, the two springs are positioned in the sleeve, are respectively positioned at two sides of the operating part and are penetrated by the mandrel, each spring is provided with a first end and a second end, the first end is connected with the inner wall of the sleeve, the second end is connected with the operating part, and two ends of the connecting part are respectively connected with the adjusting rod and the sleeve;

wherein when the user does not press the operating member, the inner diameters of the two springs are smaller than the outer diameter of the mandrel; when the user presses the operating part, the inner diameters of the two springs are larger than the outer diameter of the mandrel.

4. Sports apparatus according to claim 1, 2 or 3, wherein: the sport equipment is a rowing machine which comprises a front transverse pipe, a rear transverse pipe, two side pipes, an upper support pipe, a guide rail, a seat cushion and two pedals, wherein the first ends of the two side pipes are connected with the front transverse pipe, the second ends of the two side pipes are connected with the front end of the guide rail, the two pedals are respectively pivoted on two sides of the guide rail, the upper support pipe is positioned between the two side pipes and connected with the two side pipes, the rear end of the upper support pipe is connected with the front end of the guide rail, the rear end of the guide rail is connected with the rear transverse pipe, and the seat cushion moves back and forth on the guide rail through one or more pulleys.

5. Sports apparatus according to claim 4, wherein: wherein this drive arrangement still contains the handle, one or more guide pulley, braid seat to and pull-back mechanism, the lower extreme and this one or more oar piece of this adjusting lever are connected, and the center and the adjusting lever of this braid seat are connected, and the braid twines on this braid seat, and this braid is pulled out and is connected with this handle behind this one or more guide pulley in this braid seat.