TWM634063U - Ski exercise machine - Google Patents

Abstract

A ski exercise machine includes a stand unit, a resistance unit installed on the stand unit and including a rotating shaft, a shaft sleeve unit, and a transmission unit including two pull ropes. The sleeve unit includes two winding sleeves surrounding the shaft. Each of the wire winding sleeves is detachably connected to the rotating shaft, and has two spaced rings, and an extension extending from one of the rings and located between the rings of two adjacent wire winding sleeves. Each of the pull cords has a connecting section connected to a respective wire wrap. The connecting section is used to drive the respective wire winding sleeves to rotate forwardly, and can surround the respective wire winding sleeves and be located between the rings. In this way, the extending portion fills the gap between two adjacent wire winding sleeves, which can restrict the connecting sections from maintaining rolling on the wire winding sleeves, thereby improving the smoothness of operation.

Description

ski machine

The present invention relates to an exercise machine, in particular to a ski exercise machine.

Referring to Fig. 1, a kind of known ski exercise machine 1 mainly includes a base 11 for the user to stand on, a stand 12 extending upwards from the base 11, a stand 12 that is rotatably installed on the stand 12 and is used to generate Resistance wheel set 13, two stay cords 14, and two elastic cords 15 of resistance. The resistance wheel set 13 has a rotating shaft 131 rotatably disposed on the stand 12 , a resistance wheel 132 connected to the rotating shaft 131 , and two spaced bushes 133 surrounding the rotating shaft 131 . Each of the pull cords 14 wraps around a respective bushing 133 and is used to drive the resistance wheel 132 and the rotating shaft 131 to rotate forwardly. Each of the elastic cords 15 wraps around the respective bushing 133 and is used to generate an elastic force that makes the respective bushing 133 counter-rotate relative to the rotating shaft 131 . Thereby, the user can pull the pull cords 14 to achieve the effects of exercise and training.

But, because these stay cords 14 and these elastic cords 15 are wound on the number of circles on the axle sleeve 133, can change and move along with forward rotation or reverse rotation, therefore, these axle sleeves 133 are spaced apart from each other. In the case of a certain distance, the rope segments of the pull cords 14 and the elastic cords 15 are likely to fall into the situation between the shaft sleeves 133, which has the disadvantage of unsmooth operation.

Therefore, the purpose of the present invention is to provide a ski exercise machine that can improve the smoothness of operation.

Therefore, the novel ski exercise machine includes a stand unit, a resistance unit, a shaft sleeve unit, and a transmission unit.

The resistance unit includes a rotating shaft that can rotate around an axis and is installed on the stand unit, and a resistance member that is connected to the rotating shaft and can be driven to generate resistance.

The bushing unit includes two winding sleeves surrounding the rotating shaft and spaced apart along the axial direction, each of the winding sleeves is detachably connected to the rotating shaft, and has two rings formed on the outer surface and spaced apart along the axial direction, and an extension part extending from one of the ring edges in a direction opposite to the other ring edge, wherein the extension part of one wire winding sleeve is located between the ring edges of two adjacent wire winding sleeves.

The transmission unit includes two pull cords that are movably installed on the stand unit and are used to drive the resistance member, each of the pull cords has a passing section that passes through the stand unit and can be operated, and a connecting The connecting section is used to drive the respective wire winding sleeves to rotate in the forward direction, and can surround the respective wire winding sleeves and be located between the rings.

The effect of the present invention is: the connecting sections of the respective pull cords are blocked by the rings of each of the winding sleeves, and the connecting sections can be restricted from being kept rolling on the winding sleeves, thereby improving the smoothness of operation .

Referring to FIG. 3 , FIG. 4 and FIG. 5 , an embodiment of the new ski exercise machine includes a stand unit 2 , a resistance unit 3 , a bushing unit 4 , and a transmission unit 5 .

The stand unit 2 includes a base 21 and a stand 22 connected to the base 21 and forming an angle with the base 21 .

The resistance unit 3 includes a rotating shaft 31 rotatable around an axis X and mounted on the stand 22 , and a resistance member 32 connected to the rotating shaft 31 and disposed between the base 21 and the stand 22 . In this embodiment, the resistance member 32 can be a flywheel, or a fan.

The sleeve unit 4 includes two winding sleeves 41 surrounding the shaft 31 and spaced apart along the axis X direction, two support rings 42 , two one-way bearings 43 , four two-way bearings 44 , and two spacer rings 45 .

Each of the winding sleeves 41 is detachably connected to the rotating shaft 31, and has two rings 411 formed on the outer surface and spaced apart along the axis X direction, and one is connected to the periphery of one of the rings 411 and faces opposite to the other ring. An extension 412 extending in the direction of 411 , and two engagement grooves 413 . The extension 412 and the corresponding ring 411 define an isolation space 414, and the two ends define a notch 415 that opens the corresponding joint groove 413. The diameter of the extension 412 is from the connecting ring 411 to the adjacent The winding sleeve 41 gradually increases from small to large, forming a slope. Each engaging groove 413 extends from the periphery of each ring edge 411 toward the axis X direction. In this embodiment, each engaging groove 413 is L-shaped.

In this embodiment, each of the supporting rings 42 is made of metal material, and surrounds between the rotating shaft 31 and the respective wire wrap 41 for reinforcing the strength of the respective cord wrap 41 .

Each of the one-way bearings 43 is installed between the rotating shaft 31 and a respective support ring 42 .

The two-way bearings 44 are disposed between the rotating shaft 31 and the corresponding winding sleeve 41 , and are located on two sides of the one-way bearing 43 .

Each of the spacer rings 45 surrounds the rotating shaft 31 and abuts against the corresponding two-way bearing 44 . In this way, one of the spacer rings 45 is located between the winding sleeves 41 and abuts against the two bidirectional bearings 44 .

It is worth noting that, one of the cord reels 41 has the extension 412 facing or surrounding the ring 411 of the other cord reel 41 and is away from the extension 412 of the other cord reel 41 , thereby, with the The extension portion 412 is located between the ring edges 411 of two adjacent cord winding sleeves 41 , and the gap between two adjacent cord winding sleeves 41 is filled by the extension portion 412 and the isolation space 414 .

The transmission unit 5 includes two pull cords 51 movably mounted on the stand unit 2 and used to drive the resistance member 32 , two handles 52 , a counting pulley 53 , and two elastic cords 54 .

Each stay cord 51 extends from the rotating shaft 31 along a length direction L of the stand 22, and has a connecting section 511 connected to the winding sleeve 41 and can surround the rotating shaft 31, and a connecting section 511 passing through the stand unit 2 and can be operated through the section 512. The connecting section 511 is used to drive the rotating shaft 31 to rotate forwardly, and is fitted into the corresponding engagement groove 413 by the notch 415 .

Each of the handles 52 is connected to the exit section 512 of the respective pull cord 51 and can be grasped by the user.

The pulleys 53 are rotatably connected to the stand 22 and spaced apart along the length direction L. As shown in FIG.

Each of the elastic cords 54 fits in the corresponding engagement groove 413 and wraps around the winding sleeve 41 , and is sleeved on the corresponding pulley 53 with two opposite ends for generating an elastic force to constantly rotate the rotating shaft 31 in the opposite direction.

Referring to FIG. 3 , FIG. 5 and FIG. 6 , when the user stands on the base 21 facing the stand 22 and pulls the pull cords 51 for ski training or sports, the connecting section 511 will roll the Wait for the winding sleeve 41. At this time, the winding sleeve 41 will not only wind the elastic cords 54 to accumulate kinetic energy to generate elastic force, but also drive the rotating shaft 31 to rotate forward through the one-way bearings 43. Thereby, during the forward rotation of the rotating shaft 31 , the resistance member 32 rotates synchronously with the rotating shaft 31 and generates resistance.

When the user releases the pull cords 51, due to the elastic force of the elastic cords 54 and the one-way bearings 43 can only drive the rotating shaft 31 in one direction, the winding sleeves 41 are driven to rotate in the opposite direction, and relatively It idles in the reverse direction on the rotating shaft 31 . In this way, the reeling sleeves 41 that rotate in the opposite direction are wound around the stay cords 51 to achieve the purpose of recovering the stay cords 51 , and so on, so as to achieve the effect of exercise and training.

Through the above description, the advantages of the aforementioned embodiments can be summarized as follows:

The present invention can block the connection sections 511 and the elastic cords 54 of the respective pull cords 51 through the ring edges 411 of each cord cover 41, and limit the connection sections 511 and the elastic cords 54 to be located in the rings. between the edges 411, and can use the extension 412 and the formed isolation space 414 to fill the gap between the two adjacent winding sleeves 41, thereby, in addition to maintaining the pull cords 51 and the elastic cords 54 in the In addition to rolling on the winding sleeve 41, the extension part 412 and its inclination can also guide the corresponding connecting segment 512 to slide between two adjacent ring edges 411 when the corresponding connecting segment 511 deviates from its position, thereby lifting smoothness of operation.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of implementation of the present invention with this. All simple equivalent changes and modifications made according to the patent scope of the present application and the content of the patent specification are still within the scope of the present invention. Within the scope covered by this patent.

2: stand unit 21: base 22: standing seat 3: resistance unit 31: Shaft 32: resistance piece 4: Hub unit 41:Coil set 411: ring edge 412: Extension 413: joint groove 414: isolated space 415: Gap 42: support ring 43: One-way bearing 44: Two-way bearing 45: spacer ring 5: Transmission unit 51: drawstring 511: connection segment 512: Out of section 52: Grip 53: pulley 54: elastic cord X: axis L: length direction

Other features and functions of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Figure 1 is a front view illustrating a known ski exercise machine; Fig. 2 is a partial sectional view of this known ski exercise machine; Fig. 3 is a side view illustrating an embodiment of the novel ski exercise machine; Fig. 4 is a partial three-dimensional exploded view of this embodiment; Figure 5 is a partial perspective view of the embodiment; and Fig. 6 is a partial sectional view of this embodiment.

31: Shaft

41:Coil set

411: ring edge

412: Extension

414: isolated space

42: support ring

43: One-way bearing

44: Two-way bearing

45: spacer ring

51: drawstring

54: elastic cord

X: axis

Claims (12)

A ski exercise machine comprising: a stand unit; A resistance unit, including a rotating shaft capable of rotating around an axis and mounted on the stand unit, and a resistance member connected to the rotating shaft and driven to generate resistance; a sleeve unit, including two coil sleeves surrounding the rotating shaft and spaced apart along the axial direction, each of the coil sleeves is detachably connected to the rotating shaft, and has two rings formed on the outer surface and spaced apart along the axial direction, and an extension extending from one of the rims in a direction opposite to the other rim, the extension of one of the cord reels being located between the rims of two adjacent cord reels; and A transmission unit, including two pull cords that are movably installed on the stand unit and used to drive the resistance member, each of the stay cords has a passing section that passes through the stand unit and can be operated, and a The connection section connected to the respective wire winding sleeves is used to drive the respective wire winding sleeves to rotate forwardly, and can surround the respective wire winding sleeves and be located between the rings. The ski exercise machine as claimed in claim 1, wherein the resistance member can be a flywheel or a fan. The ski exercise machine according to claim 1, wherein the stand unit includes a base, and a stand connected to the base and forming an angle with the base, and the resistance member is arranged between the base and the stand. The ski exercise machine as claimed in claim 1, wherein the diameter width of the extension portion of each of the winding sleeves gradually increases from the connected ring edge to the adjacent winding sleeves, forming a slope. The ski exercise machine as described in Claim 1, wherein, the bushing unit further includes two one-way bearings, and each one-way bearing is arranged between the rotating shaft and a respective winding line sleeve, when each of the pull cords is connected When each segment drives the respective winding wires to rotate in the forward direction, the rotating shaft is driven to rotate through the respective one-way bearings. The ski exercise machine as claimed in claim 5, wherein the sleeve unit further includes at least two bidirectional bearings, and the bidirectional bearings are arranged between the rotating shaft and the respective winding sleeves. The ski exercise machine as claimed in claim 6, wherein the bushing unit further includes two support rings, each of which is made of metal material, and wraps around between the rotating shaft and the respective winding line sleeve. The ski exercise machine as claimed in claim 7, wherein the bushing unit further includes at least one spacer ring, the at least one spacer ring surrounds the rotating shaft, and is located between the winding wire sleeves, and abuts between the two bidirectional bearings . The ski exercise machine as claimed in claim 1, wherein each of the winding sleeves further includes two engagement grooves, each of the engagement grooves extends from the periphery of the respective ring rim toward the axis, and the two ends of the extension part define There is a notch that opens the corresponding engaging groove, and the connecting section of each stay cord is fitted in the engaging groove through the notch. The ski exercise machine as claimed in Claim 9, wherein, the engagement groove of each of the winding sleeves is L-shaped. The skiing machine as described in Claim 9, wherein the transmission unit further includes two elastic cords, each of which is fitted in a corresponding engagement groove and then wraps around the rotating shaft and is located between the rings, in opposite directions The two ends are connected to the stand unit, and are used to generate the elastic force that makes the respective wire wraps reverse idle rotation relative to the rotating shaft. The ski exercise machine as claimed in claim 11, wherein the transmission unit further includes several pulleys that are rotatably connected to the stand unit and spaced apart along a length direction of the stand unit, and each of the elastic cords is further Socketed on the corresponding pulley.

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