TWI669143B - Automatic reset device and fitness machine - Google Patents

Abstract

The utility model relates to an automatic reset device, which is suitable for being installed in a fitness machine. The fitness machine has a frame unit and two foot units. The automatic reset device comprises a rotating unit and two driving units. Each of the driving units includes a one-way rotating group that can be unidirectionally rotated, a connecting member connected to the one-way rotating group and the respective pedal unit, and one of the one-way rotating group and the connecting member. Elastic pieces. Each of the pedal units is movable relative to the frame unit between a raised position and a lowered position, and wherein the one of the pedal units drives the connection while the one of the step units moves from the raised position toward the lowered position The piece moves and interlocks with the respective one-way rotating group to rotate, so that the elastic member accumulates the elastic restoring force, and the elastic member corresponding to the other pedal unit releases the elastic restoring force.

Description

Automatic reset device and fitness machine

The invention relates to an exercise training device, in particular to an automatic reset device and a fitness machine capable of enhancing muscles of a human body and simulating climbing.

As shown in FIG. 1 , the existing climbing machine 1 includes a main frame 10 extending obliquely upward, a support frame 11 located at the rear side of the main frame 10 and obliquely connected to the main frame 10, and two The main frame 10 moves the pedal 12 up and down, a driving device 13 disposed on the main frame 10 and connecting the pedals 12, and two handle devices 14 telescopically disposed on the top side of the main frame 10. The driving device 13 has a sprocket 131 disposed on the rear side of the main frame 10, and a chain 132 wound around the sprocket 131, and two ends of the chain 132 are respectively connected to the pedals 12. Each of the handle devices 14 is a telescopic tube structure and has a sleeve 141 disposed on the top side of the main frame 10, and an L-shaped handle 142 that telescopically penetrates the sleeve 141. In use, the two hands are gripped on the handles 142, and the two feet are stepped on the pedals 12, and the reciprocating motion of the chain 132 and the sprocket 131 enables the pedals 12 to be alternately moved up and down in parallel. In this way, simulate the physical movements of climbing or climbing to exercise related muscles.

Although the climbing machine 1 has the training effect of the above-mentioned simulated climbing, since the user does not need to think through the brain to coordinate the motion of the two feet, the chain 132 and the sprocket 131 can be synchronously linked. The foot is only required to cooperate with the pedal 12 to passively step on, which is quite limited for training effects requiring rehabilitation or special use.

Accordingly, a first object of the present invention is to provide an automatic reset device that can train the brain to coordinate with both feet.

Therefore, the automatic reset device of the present invention is suitable for being mounted on a fitness machine having a rack unit and two foot units movable up and down along the rack unit, the automatic reset device including a rotating unit, and Two driving units.

The rotating unit is rotatably disposed on the frame unit and includes a spindle rotatably disposed on the frame unit.

The driving unit is disposed on the rotating unit and is respectively connected to the pedal units. Each of the driving units includes a one-way rotating group that is unidirectionally sleeved on the spindle of the rotating unit, and is connected to the one-way rotating group. a connecting member of the rotating group and the respective pedal unit, and an elastic member disposed on one of the one-way rotating group and the connecting member. Each of the step units is movable relative to the rack unit between a raised position away from the ground and a lowered position adjacent to the ground. While one of the pedal units is applied and the one of the pedal units is moved from the raised position to the lowered position, the one of the pedal units moves the corresponding connecting member toward the biasing direction and interlocks The respective one-way rotating groups rotate to elastically deform the corresponding elastic members, and accumulate an elastic restoring force that moves toward the rising position, and the elastic member corresponding to the other pedal unit releases the elastic restoring force and drives The respective connector moves to reset the other pedal unit from the lowered position to the raised position.

A second object of the present invention is to provide a fitness machine that can train the brain to coordinate with both feet and automatically reset.

Thus, the exercise machine of the present invention comprises a frame unit, two foot units, and an automatic reset device.

The foot units are movable up and down along the rack unit.

The automatic reset device comprises a rotating unit and two driving units. The rotating unit is rotatably disposed on the frame unit and includes a spindle rotatably disposed on the frame unit. The driving unit is disposed on the rotating unit and is respectively connected to the pedal units. Each of the driving units includes a one-way rotating group that is unidirectionally sleeved on the spindle of the rotating unit, and is connected to the one-way rotating group. a connecting member of the rotating group and the respective pedal unit, and an elastic member disposed on one of the one-way rotating group and the connecting member. Each of the step units is movable relative to the rack unit between a raised position away from the ground and a lowered position adjacent to the ground. While one of the pedal units is applied and the one of the pedal units is moved from the raised position to the lowered position, the one of the pedal units moves the corresponding connecting member toward the biasing direction and interlocks The respective one-way rotating groups rotate to elastically deform the corresponding elastic members, and accumulate an elastic restoring force that moves toward the rising position, and the elastic member corresponding to the other pedal unit releases the elastic restoring force and drives The respective connector moves to reset the other pedal unit from the lowered position to the raised position.

The effect of the invention is that, by the elastic restoring force of the elastic member of each driving unit, when the two legs are stepped on the pedal units, the brain thinking and the lifting action of the feet are also used to release the elasticity. The elastic restoring force of the pieces automatically resets the respective pedal units, so that the coordination of the brain and the feet can be trained.

Before the present invention is described in detail, it should be noted that the front-rear direction X, the left-right direction Y, and the up-and-down direction Z referred to in the following description are based on the orientation viewed by the user when operating the invention in FIG. 2, and Similar elements are denoted by the same reference numerals.

Referring to FIG. 2 to FIG. 5, a first embodiment of the fitness machine of the present invention comprises a rack unit 2, two armrest units 3, a top linkage mechanism 30, two pedal units 4, an automatic reset device 5, and a Magnetoresistive unit 8.

The rack unit 2 includes a base 21, two rails 22, and a fixed rod set 23. The base 21 stands on the ground. The rails 22 are spaced apart in the left-right direction Y and extend upward from the base 21. The fixing rod group 23 is formed on the front side of the equal rail 22 and connects the base 21 and the rails 22. The fixing rod group 23 includes two legs spaced apart in the left and right direction Y and extending obliquely upward from the base 21. The rods 231 are connected to each other and fixed to the rails 22 through a cross bar 232 extending in the front-rear direction X, and each of the poles 231 is provided with a mounting plate 233.

The armrest units 3 are respectively slidable along the rails 22 of the rack unit 2. Each of the armrest units 3 includes a slide base 31 movable up and down along the respective rails 22, and an armrest 32 extending outwardly from the slide base 31 for gripping. Each of the sliding seats 31 has a plurality of guide wheels 311 which are rotatably contacted with the respective guide rails 22. By the arrangement of the guide rollers 311, each of the sliding seats 31 can be smoothly slid along the respective guide rails 22.

The top linkage mechanism 30 is configured to drive the armrest units 3 to alternately rise and fall. The top linkage mechanism 30 includes a top pulley 301 disposed on the top side of the rails 22, and a top cable 302. One end is connected to one of the sliding seats 31, and the other end extends toward the top pulley 301 and is wound around the top pulley 301 and then connected to the other sliding seat 31, thereby enabling the handrail units 3 to simultaneously The direction of movement.

The foot units 4 are located below the armrest units 3 and are movable up and down along the rails 22 of the rack unit 2, respectively. Each of the foot units 4 includes a slide seat 41 slidable along the respective rails 22, and a pedal 42 extending from the slide base 41 toward the rear side for pedaling. Each of the sliding seats 41 has a plurality of rollers 411 rotatably contacting the respective guide rails 22, and by the arrangement of the rollers 411, each of the sliding seats 41 can smoothly slide along the respective guide rails 22.

The automatic reset device 5 is disposed on the rack unit 2 and connected to the pedal unit 4, the automatic reset device 5 includes a rotating unit 6 located below the cross bar 232, and two sides located on opposite sides of the rotating unit 6 Drive unit 7.

The rotating unit 6 is rotatably disposed on the frame unit 2, and the rotating unit 6 includes a spindle 61 rotatably disposed between the poles 231, and a set is placed on the spindle 61 and is received by the core The transmission wheel 62 driven by the shaft 61 extends in the left-right direction Y, and the left and right ends of the spindle 61 are respectively mounted on the mounting plates 233 through a bearing. The driving units 7 are attached to the spindle 61 of the rotating unit 6 and are respectively connected to the pedal units 4. In the actual assembly, the mandrel 61 is first coupled to a connecting iron piece 63, and then the connecting iron piece 63 is screwed to the driving wheel 62 through a plurality of screws to be combined into the rotating unit 6.

Referring to FIG. 3 to FIG. 6 , each of the driving units 7 includes a side turning wheel 71 rotatably disposed on one of the vertical rods 231 and higher than the rotating unit 6 , and one side of the driving wheel 62 and unidirectionally rotatable a unidirectional rotating group 72 disposed on the spindle 61 of the rotating unit 6, a connecting member 73 connected to the respective pedal unit 4 and wound around the side runner 71 and connected to the one-way rotating group 72 And an elastic member 74 disposed on the one-way rotating group 72.

The one-way rotating group 72 of each of the driving units 7 has a one-way bearing 721 unidirectionally rotatably mounted to the spindle 61, spaced apart from the one-way bearing 721 and movably sleeved on the spindle 61 The spring bolt 722 and a set of reel bases 723 disposed outside the one-way bearing 721 and locked to the spring bolt 722. Preferably, the reel base 723 has a set of hexagonal column rings 7231 disposed outside the one-way bearing 721, and a set of reels 7232 which are disposed on the hexagonal column ring 7231 and locked with the spring bolts 722. In the present embodiment, each of the one-way rotating groups 72 is provided with two general bearings located at the left and right ends of the one-way bearing 721 for assisting the rotation in the hexagonal column ring 7231.

One end of the connecting member 73 of each driving unit 7 is connected to the sliding seat 41 of the respective pedal unit 4, and the other end is wound upwardly around the side turning 71 wheel and then wound downward and fixed to the one-way. The reel seat 723 of the set 72 is rotated. In the first embodiment, the connecting member 73 of each of the driving units 7 is a webbing and is wound several times around the reel seat 723, and the side turning wheel 71 of each of the driving units 7 is a pulley.

The elastic member 74 of each of the driving units 7 is a torsion spring of a scroll spring and is used to be elastically deformed by the respective connecting members 73. In the first embodiment, the elastic member 74 is first mounted in a spring case 75 and then placed on the spring pin 722, and the inner end of the elastic member 74 is fixed to the spring pin 722, and the elastic member 74 is used. The spring bolt 722 is wound inwardly or outwardly as the spring pin 722 rotates.

The reluctance unit 8 includes a reluctance wheel 81 disposed under the rotating unit 6 and rotatably disposed on the poles 231, a retaining shaft 82 disposed on the reluctance wheel 81, and a set of the retaining shafts a bearing 83 of the 82, and a belt 84. The belt 84 is wound around the outer peripheral surface of the transmission wheel 62 of the rotating unit 6 and is pressed against the bearing 83 and then wound around a shaft 811 of the reluctance wheel 81 to form a kind of shaft 811. Pulley structure. When the rotating unit 6 rotates, the driving wheel 62 drives the belt 84 to rotate to rotate the reluctance wheel 81 and generate a magnetic resistance, thereby improving the climbing resistance.

It should be particularly noted that the first embodiment can also omit the magnetoresistive unit 8 without additionally increasing the climbing resistance, and in this case, the rotating unit 6 can also omit the transmission wheel 62. As long as the rotation through the mandrel 61 is the same as that which can drive the driving unit 7 to act.

Referring to Figures 2, 3, 4 and 6, in actual operation, the user faces the rails 22 and grips both hands on the armrests 32, and the feet are stepped on the pedals 42, and then The pedaling force is stepped on the pedals 42 such that each of the pedal units 4 is movable relative to the frame unit 2 between a raised position away from the ground and a lowered position adjacent to the ground. As shown in FIG. 3 and FIG. 6, when the right foot of the user presses the pedal unit 4 on the right side and the pedal unit 4 on the right side moves from the raised position to the lowered position, the foot on the right side The stepping unit 4 will drive the connecting member 73 on the right side to move in the direction of the user's force, and the connecting member 73 on the right side will be gradually pulled out from the reel seat 723 on the right side, and the reel seat 723 on the right side will be Rotating counterclockwise and driving the elastic member 74 on the right side to be wound inwardly to flex and deform, and accumulating an elastic restoring force moving toward the rising position, and the reel seat 823 on the right side also drives the corresponding one-way direction. The bearing 721 is rotated in the counterclockwise direction to interlock the rotation unit 6 to rotate in the counterclockwise direction. While the pedal unit 4 on the right side is gradually moving downward, as shown in FIGS. 4 and 6, the one-way rotation group 72 on the left side is in an idling state, and the user's brain must operate and make the left foot light. Lightly lifting up, the elastic restoring force of the elastic member 74 on the left side can be released and the elastic member 74 can be unscrewed outward, whereby the connecting member 73 on the left side is wound around the reel seat 723 for several times. The pedal unit 4 that drives the left side is automatically raised from the lowered position to the raised position. By stepping on the pedal units 4 in turn, and using the brain to think about the slight upward movement of the feet, the present invention can indeed train the user's brain and feet.

As can be seen from the above description, the first embodiment utilizes the elastic restoring force of the elastic members 74 of the driving unit 7 to automatically reset the pedal units 4 when the foot is lifted, and trains the user. The coordination of the brain and the feet. In addition, the magnetoresistive unit 8 can also be used to increase the resistance when pedaling, and the climbing resistance can be increased, thereby improving the training effect.

Referring to FIG. 7 to FIG. 10, a second embodiment of the exercise machine of the present invention is similar to the first embodiment, and the main differences are as follows:

The side turning wheel 71' of each of the driving units 7' of the automatic resetting device 5' is a sprocket and is disposed on the crossbar 232 of the frame unit 2.

Each of the driving units 7' further includes an upper pulley 76 disposed above the rotating unit 6 and spaced apart from the side rotating wheel 71'.

The one-way rotating group 72' of each of the driving units 7' cancels the reel seat 723 (see FIG. 5) and the spring bolt 722 (see FIG. 5), and the one-way rotating group 72' of each of the driving units 7' also has A bearing housing 720 disposed outside the one-way bearing 721' and a sprocket 724 formed on an outer circumferential surface of the bearing housing 720.

The connecting member 73' of each of the driving units 7' is a chain, and the other end is wound upside down on the side turning wheel 71', and then wound downwardly to the chain of the corresponding driving unit 7'. The gear 724 then extends in the direction of the upper pulley 76. It is to be noted that the drawing of each of the connecting members 73' in the first embodiment is illustrated by a rectangular strip.

The elastic member 74' of each of the driving units 7' is a kind of elastic rope, and one end of each elastic member 74' is connected to the respective connecting member 73', and the other end is wound around the respective upper pulley 76 and then extends downward. The base 21 of the rack unit 2 is fixedly connected. In other variations, the elastic member 74' of each of the driving units 7' can also employ a tension spring, a spring tube, a tension rope, or other equivalent member that is stretched and elastically deformable.

In actual operation, by stepping on the pedals 42 in turn, each of the pedal units 4 is movable relative to the frame unit 2 between the raised position away from the ground and the lowered position adjacent to the ground. While the pedal unit 44 on the right side is moved from the raised position toward the lowered position, the pedal unit 4 on the right side drives the connecting member 73' on the right side to move in the direction of the user's force, and drives the right side. The sprocket 724 rotates the one-way bearing 721' on the right side to rotate in a clockwise direction, and the elastic member 74' on the right side (ie, the elastic rope) is stretched and the length becomes long, and the accumulation moves toward the raised position. Elastic recovery. At the same time, since the one-way rotating group 72' on the left side is in an idling state, the user's brain must operate and gently raise the left foot to release the elastic restoring force of the elastic member 74' on the left side and the left side. The length of the elastic member 74' is shortened to release the elastic restoring force, thereby driving the pedal unit 4 on the left side to be automatically raised from the lowered position to the raised position. Therefore, the second embodiment can also automatically reset the pedal units 4 and train the user's brain and feet to have the same effect as the first embodiment.

It can be seen from the above that the automatic reset device 5, 5' of the present invention is suitable for being mounted on the fitness machine, the exercise machine having the frame unit 2, and the pedals movable up and down along the frame unit 2 Unit 4, the automatic resetting device 5, 5' comprises a rotating unit 6 rotatably disposed on the frame unit 2, and the driving units 7, 7'.

The rotary unit 6 includes the spindle 61 rotatably disposed on the frame unit 2. The driving units 7, 7' are disposed on the rotating unit 6 and are respectively connected to the pedal units 4. Each of the driving units 7, 7' includes the one-way rotating group 72, 72' rotatably sleeved on the spindle 61 of the rotating unit 6, connected to the one-way rotating group 72, 72' and the respective The connecting members 73, 73' of the pedal unit 4, and the elastic members 74, 74' disposed in one of the one-way rotating groups 72, 72' and the connecting members 73, 73'. Each of the step units 4 is movable relative to the frame unit 2 between the raised position away from the ground and the lowered position adjacent to the ground. While one of the pedal units 4 is applied and the one of the pedal units 4 is moved from the raised position toward the lowered position, the one of the pedal units 4 drives the corresponding connecting member 73, 73' Moving in the direction of the biasing force and interlocking the respective one-way rotating groups 72, 72' to rotate, the corresponding elastic members 74, 74' are elastically deformed, and accumulate an elastic restoring force moving toward the rising position, and the other foot The elastic members 74, 74' corresponding to the stepping unit 4 release the elastic restoring force and drive the respective connecting members 73, 73' to move, and the other pedal unit 4 is reset from the lowered position to the raised position. Thereby, the automatic reset device 5, 5' of the present invention also has the effect of automatically resetting the pedal units 4 and training the user's brain and feet.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the simple equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still Within the scope of the invention patent.

2‧‧‧Rack unit

21‧‧‧Base

22‧‧‧ Track

23‧‧‧Fixed rod set

231‧‧‧ pole

232‧‧‧crossbar

233‧‧‧Installation board

3‧‧‧Handrail unit

30‧‧‧ top linkage mechanism

301‧‧‧ top pulley

302‧‧‧ top drawstring

31‧‧‧Sliding seat

311‧‧‧guide wheel

32‧‧‧Handrails

4‧‧‧foot unit

41‧‧‧Slip seat

411‧‧‧Roller

42‧‧‧ pedal

5, 5'‧‧‧Automatic reset device

6‧‧‧Rotating unit

61‧‧‧ mandrel

62‧‧‧Drive wheel

63‧‧‧Link iron piece

7, 7'‧‧‧ Drive unit

71, 71'‧‧‧ side runner

72, 72'‧‧‧ one-way rotation group

720‧‧‧ bearing housing

721, 721'‧‧‧ one-way bearing

722‧‧ ‧ spring bolt

723‧‧‧Roller seat

7231‧‧‧Hexagonal column ring

7232‧‧‧Reel

724‧‧‧Chain gear

73, 73'‧‧‧Connecting parts

74, 74'‧‧‧ elastic parts

75‧‧‧Spring box

76‧‧‧Upper pulley

8‧‧‧Magnetoresistive unit

81‧‧‧Magnetic resistance wheel

811‧‧‧ shaft

82‧‧‧Block shaft

83‧‧‧ bearing

84‧‧‧Land

X‧‧‧ direction

Y‧‧‧ direction

Z‧‧‧Up and down direction

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a perspective view of a conventional climbing machine; Figure 2 is a first embodiment of the exercise machine of the present invention 3 is a perspective view showing an automatic resetting device of the first embodiment; FIG. 3 is an incomplete partial enlarged perspective view of FIG. 2, illustrating a rotating unit of the first embodiment; FIG. 4 is a view similar to FIG. View, but viewed from another angle; FIG. 5 is an incomplete partial exploded perspective view illustrating the two driving units of the first embodiment, each of the driving units having a set of a single shaft disposed on the rotating unit FIG. 6 is an incomplete cross-sectional view taken along line VI-VI of FIG. 3, illustrating that each one-way rotating group of the first embodiment has a set of one-way provided on the mandrel. a bearing, a spring bolt movably sleeved on the mandrel, and a set of reel seat disposed outside the one-way bearing and locked to the spring bolt; FIG. 7 is a second embodiment of the fitness machine of the present invention a perspective view of an example; Figure 8 is a diagram of Figure 7 An enlarged partial perspective view illustrating the driving unit of the second embodiment; FIG. 9 is a view similar to FIG. 8, but viewed from another angle; and FIG. 10 is taken along line XX of FIG. An incomplete sectional view showing that each one-way rotating group of the second embodiment has the one-way bearing, a bearing housing disposed outside the one-way bearing, and a peripheral surface formed on the bearing housing Chain gears.

Claims (10)

An automatic reset device suitable for being installed in a fitness machine, the fitness machine having a rack unit and two foot units movable up and down along the rack unit, the automatic reset device comprising: a rotating unit rotatably Provided in the rack unit, and comprising a spindle rotatably disposed on the rack unit; and two driving units disposed on the rotating unit and respectively connected to the pedal units, each of the driving units including a single unit a one-way rotating group that is rotatably sleeved on the spindle of the rotating unit, a connecting member connected to the one-way rotating group and the respective pedal unit, and a connecting member disposed on the one-way rotating group and the connecting member One of the elastic members, each of the pedal units is movable relative to the frame unit between a raised position away from the ground and a lowered position adjacent to the ground, when a force is applied to one of the pedal units and the During the movement of the pedal unit from the raised position toward the lowered position, the one of the pedal units drives the corresponding connecting member to move in the direction of the biasing force and rotates the respective one-way rotating group to rotate The elastic member is elastically deformed and accumulates an elastic restoring force that moves toward the rising position, and the elastic member corresponding to the other pedal unit releases the elastic restoring force and drives the respective connecting member to move, so that the other foot The step unit is reset to the raised position by the lowered position. The automatic reset device of claim 1, wherein each of the driving units further includes a side rotating wheel disposed on the frame unit and higher than the rotating unit, and one end of the connecting member of each driving unit is connected to each The pedal unit and the other end are wound around the corresponding side wheel and then connected to the respective one-way rotating group. The automatic reset device of claim 2, wherein the elastic member of each of the driving units is a torsion spring, and the one-way rotating group of each of the driving units has a one-way bearing unidirectionally coupled to the spindle a spring bolt spaced from the one-way bearing and movably sleeved on the mandrel and provided for the elastic member, and a set is disposed outside the one-way bearing and locked to the spring bolt for the connection The reel seat is wound around. The automatic reset device of claim 3, wherein the connecting member of each of the driving units is a webbing, and the reel seat of the one-way rotating group of each of the driving units has a set of hexagons disposed outside the one-way bearing a collar, and a set of reels disposed outside the hexagonal post ring for the connector to be wound and locked with the spring latch. The automatic reset device of claim 1, wherein each of the driving units further comprises a side runner disposed above the rack unit and higher than the rotating unit, and an upper pulley, the connecting member of each driving unit One end is connected to the respective pedal unit and the other end is wound around the corresponding side wheel and then connected to the respective one-way rotating group. The elastic member of each driving unit is a elastic rope, and one end of each elastic member is connected. The respective connecting members, and the other end of each elastic member are wound around the respective upper pulleys and then extended downward and connected to the frame unit. The automatic reset device of claim 5, wherein the one-way rotating group of each driving unit has a one-way bearing disposed on the spindle, and a bearing housing disposed outside the one-way bearing, the bearing The seat is wound around the other end of the connector. The automatic reset device of claim 6, wherein the connecting member of each of the driving units is a chain, and the side turning wheel of each of the driving units is a chain The unidirectional rotating group of each of the driving units further has a sprocket formed on an outer peripheral surface of the respective bearing housing, and the other end of each connecting member is wound around the respective sprocket and connected to the respective elastic members. A fitness machine comprising: a rack unit; two foot units movable up and down along the rack unit; and an automatic reset device according to any one of claims 1 to 7. The exercise machine of claim 8, further comprising two armrest units that are higher than the pedal units and movable up and down along the rack unit. The exercise machine of claim 9, wherein each of the foot units includes a slide seat slidably disposed on the frame unit, and a pedal coupled to the slide base for stepping on.