CN219848011U - Stepper - Google Patents

Abstract

A stepper has a base. The base is provided with a pivot portion. A stepping component is pivoted on the left and right sides of the pivot portion. Each stepping component is on the left and right sides of the pivot portion. The front position of the front arm is pivotally connected to a forearm and a rear arm respectively, and a pedal structure is pivotally connected to the top of each forearm and each rear arm. The pivot portion, each forearm, each rear arm and each pedal structure are pivotally connected in parallel. The quadrilateral linkage mechanism is guided by a linkage resistance structure that provides movement resistance to move in reverse. The stepping surfaces of each pedal structure remain parallel at the front and rear positions during the swing of each pedal component; thereby allowing the user to operate in the utility model. When stepping up, the left and right pedal structures can be stepped down alternately.

Description

Stepper

Technical field

The utility model relates to sports equipment; in particular, it relates to a stepper used for pedaling exercise.

Background technique

In the existing stepper, two pedals are pivotally connected to the left and right sides of the base, and a resistance mechanism is provided between the base and each pedal. The linkage is used to drive the two pedals up and down in staggered movements, providing the user with interactive stepping. The two pedals achieve the motion effect of stepping.

Although the above-mentioned existing stepper can provide the user with the function of stepping, it can only swing up and down because the front end of the step is pivotally connected to the base. As a result, it is impossible for the user to step on the pedal in a manner of rising and falling at different depths, and it cannot provide a movement method for the user to interactively step on the pedal deeply as a whole.

Utility model content

In view of this, the purpose of the present utility model is to provide a stepper that utilizes the design of the linkage mechanism to allow the user to alternately step on the pedal structure. A pedaling movement that pushes the entire pedal structure downward respectively.

In order to achieve the above object, the present utility model provides a stepper, which includes a base, a left stepping component, a right stepping component, and a linked resistance structure. The base is provided with a front support leg, and a pivot bracket is provided in the middle of the top of the front support leg. The pivot bracket has a pivot portion. The left pedal assembly has a left forearm, a left rear arm, and a left pedal structure. The bottoms of the left forearm and the left rear arm are each pivotally connected to the front and rear positions on the left side of the pivot portion. The left pedal structure is pivotally connected to the top of the left forearm and the top of the left rear arm, so that the pivot portion, the left forearm, the left rear arm, and the left pedal structure are pivotally connected to form a parallelogram. Link mechanism, the left pedal structure has a left pedal surface, and the front and rear positions of the left pedal surface remain parallel during the swing process of the left pedal assembly.

The right pedal assembly has a right forearm, a right rear arm, and a right pedal structure. The bottoms of the right forearm and the right rear arm are each pivotally connected to the front and rear positions on the right side of the pivot portion. The right pedal structure is pivotally connected to the top of the right forearm and the top of the right rear arm, so that the pivot portion, the right forearm, the right rear arm, and the right pedal structure are pivotally connected to form a parallelogram. Link mechanism, the right pedal structure has a right pedal surface, and the front and rear positions of the right pedal surface remain parallel during the swing process of the right pedal component. The linkage resistance structure is combined with the base and connects the left pedal component and the right pedal component. The linkage resistance structure links the left pedal component and the right pedal component to move in reverse and provides both Resistance to movement.

The effect of the present utility model is that the front and rear positions of the left pedal surface during the swing process of the left pedal component are kept parallel, and the front and rear positions of the right pedal surface during the swing process of the right pedal component are kept parallel. , when the user alternately steps on the left and right pedal structures, the user can perform an interactive pedaling movement in which the entire pedal structure is stepped down respectively.

Description of the drawings

Figure 1 is a perspective view of the first preferred embodiment of the present invention.

Figure 2 is an exploded view of the right pedal assembly of the first preferred embodiment of the present invention.

Figure 3 is an exploded view of the left pedal assembly according to the first preferred embodiment of the present invention.

Figure 4 is a right side view of the first preferred embodiment of the present invention.

Figure 5 is a front view of the first preferred embodiment of the present invention.

Fig. 6 is a cross-sectional view along the line 6-6 in Fig. 5 .

Figure 7 is a schematic diagram of the pedaling action according to the first preferred embodiment of the present invention.

Figure 8 is a perspective view of the second preferred embodiment of the present invention.

Figure 9 is a right side view of the second preferred embodiment of the present invention.

Figure 10 is a left side view of the second preferred embodiment of the present invention.

Explanation of reference symbols:

100: Stepper

10: Base

12: Front support feet

121: Front crossbar

122: connecting pipe

14: Pivot bracket

141: Pivot joint

16: Front axle

18: Rear axle

20: Left pedal component

22: Left forearm

221: Left forearm lower tube

222: Left forearm upper tube

223: Left cable seat

24: Left rear arm

241: Left rear arm down tube

242: Left rear arm upper tube

26: Left pedal structure

261: Left pedal seat

262: Left pedal

263: Left pedal

264: Bolt and nut set

30: Right pedal component

32: Right forearm

321: Right forearm lower tube

322: Right forearm upper tube

323: Right cable seat

34: Right rear arm

341: Right rear arm down tube

342: Right rear arm upper tube

36: Right pedal structure

361: Right pedal seat

362: Right pedal

363: Right pedal

364: Bolt and nut set

40: Linked resistance structure

42: Pulley seat

421: Pulley

422: Steel rope

44: Left cylinder

46: Right pressure cylinder

50: Seat structure

52: Rear support feet

521: connecting rod

54: Seat

56: Fixtures

60: Left grip assembly

62: Left telescopic rod

64: Left base

66: Left grip

70: Right grip assembly

72: Right telescopic rod

74: Right base

76: Right grip

Detailed ways

In order to explain the present invention more clearly, the preferred embodiments are described in detail below along with the accompanying drawings. Please refer to FIGS. 1 to 6 , which is a stepper 100 according to the first preferred embodiment of the present invention. It includes a base 10 , a left pedal component 20 pivotally connected to the left side of the base 10 , and a The right pedal assembly 30 on the right side of the base 10 and a linked resistance structure 40, wherein:

The base 10 is provided with a front support leg 12. In the first preferred embodiment, the front support leg 12 includes a front cross bar 121 and a connecting tube 122. The front cross bar 121 extends laterally along the left and right directions. The connecting tube 122 is a tube connected to the middle of the front crossbar 121 and extending backward. There is a pivot bracket 14 in the middle of the top of the front support foot 12. The top of the pivot bracket 14 It has a pivot portion 141.

The left pedal assembly 20 has a left forearm 22, a left rear arm 24, and a left pedal structure 26. The bottom of the left forearm 22 and the bottom of the left rear arm 24 are each pivoted to the pivot portion. 141 in the front-to-back position on the left side, the left forearm 22 is parallel to the left rear arm 24, and the left pedal structure 26 is pivotally connected to the top of the left forearm 22 and the top of the left rear arm 24. As shown in FIG. 4 , the pivot portion 141 , the left forearm 22 , the left rear arm 24 , and the left pedal structure 26 are pivoted into a parallelogram linkage mechanism, that is, the pivot portion 141. The connecting line between the left forearm 22, the left rear arm 24, and the left pedal structure 26 is a parallelogram. The left pedal structure 26 has a left stepping surface 263. The front and rear positions of the left pedal surface 263 will remain parallel during the swing process of the left pedal structure 26 .

The right pedal assembly 30 has a right forearm 32, a right rear arm 34, and a right pedal structure 36. The bottom of the right forearm 32 and the bottom of the right rear arm 34 are each pivoted to the pivot portion. 141 in the forward and backward position on the right side, the right forearm 32 is parallel to the right rear arm 34 , and the right pedal structure 36 is pivotally connected to the top of the right forearm 32 and the top of the right rear arm 34 . As shown in FIG. 4 , the pivot portion 141 , the right forearm 32 , the right rear arm 34 , and the right pedal structure 36 are pivoted into a parallelogram linkage mechanism, that is, the pivot portion 141. The connection line between the pivot points of the right forearm 32, the right rear arm 34, and the right pedal structure 36 is a parallelogram. The right pedal structure 36 has a right stepping surface 363. The front and rear positions of the right pedal surface 363 will remain parallel during the swing process of the right pedal component 30 .

Please refer to FIGS. 1 to 3 . The linkage resistance structure 40 is combined with the base 10 and connected to the left pedal component 20 and the right pedal component 30 . The linkage resistance structure 40 links the The left pedal assembly 20 and the right pedal assembly 30 move in opposite directions, and provide resistance to the movements of the left pedal assembly 20 and the right pedal assembly 30 when they swing.

Please refer to FIGS. 4 to 7 . When the utility model is used, the left pedal structure 26 of the left pedal assembly 20 and the right pedal structure 36 of the right pedal assembly 30 are used for the user's feet to step on. For example, in the first preferred embodiment, since the left pedal structure 26 and the right pedal structure 36 move horizontally in an inclined direction during movement, the user is required to sit on a seat fixed relative to the base 10 during movement. On the seat 54, the user's feet are allowed to step on the left pedal structure 26 and the right pedal structure 36 alternately. However, in other preferred embodiments, if the pivoting method of the parallelogram linkage of the left pedal assembly 20 and the linkage resistance structure 40 is changed, the left pedal surface 263 and the right pedal surface 363 are set parallel to the ground, so that the The moving direction of the left pedal assembly 20 and the right pedal assembly 30 is changed to move in the up and down direction. At this time, the user can alternately step on the left pedal structure 26 and the right pedal structure 36 in a standing posture.

When the user moves by stepping on the stepper 100 of the first preferred embodiment, the front and rear positions of the left stepping surface 263 during the swing process of the left stepping component 20 remain parallel, and the right stepping surface 363 moves along the right side. The front and rear positions of the pedal assembly 30 maintain a parallel structure during the swing process, so that when the user alternately pedals the left pedal structure 26 and the right pedal structure 36, the entire left pedal structure 26 and right pedal structure 36 can be stepped down respectively. The movement provides the user with a movement method in which the left pedal structure 26 and the right pedal structure 36 are deeply depressed as a whole.

Please refer to Figures 2 to 4 for further explanation of the structure of the present utility model. In the first preferred embodiment, the linkage resistance structure 40 is provided with a pulley seat 42 at the top of the middle of the front support leg 12. The pulley seat 42 is a hollow frame and has a pulley 421 pivotally connected thereto. A steel cable 422 is hung on the pulley 421 and goes around the top side of the pulley 421 . Both ends of the steel cable 422 extend downward and are connected to the left pedal assembly 20 and the right pedal assembly 30 respectively. , the traction of the steel cable 422 causes the left pedal assembly 20 and the right pedal assembly 30 to swing in opposite directions. Specifically, the bottom of the left forearm 22 has a left steel cable seat 223, the bottom of the right forearm 32 has a right steel cable seat 323, and both ends of the steel cable 422 are respectively connected to the left steel cable. seat 223 and the right cable seat 323.

The above-mentioned linkage resistance structure 40 also includes a left pressure cylinder 44 and a right pressure cylinder 46. The left pressure cylinder 44 is pivotally connected between the left pedal assembly 20 and the left side of the front support foot 12, so The right pressure cylinder 46 is pivotally connected between the right pedal assembly 30 and the right side of the front support foot 12 . Specifically, the left pressure cylinder 44 is pivotally connected between the left forearm 22 and the left side of the front crossbar 121 , and the right pressure cylinder 46 is pivotally connected between the right forearm 32 and the front crossbar 121 . between the right sides of pole 121. In addition to the first preferred embodiment of the present invention, in which the steel cable 422 cooperates with the pulley 421 to link the left pedal component 20 and the right pedal component 30 to move in reverse, a lever pivoted on the base 10 can also be used. The left and right pedal components 20 and 30 move in reverse directions in such a manner that the left and right sides contact the bottom of the left pedal component 20 and the bottom of the right pedal component 30 .

A front axle 16 and a rear axle 18 are transversely fixed at the front and rear positions of the pivot portion 141 . The height of the front axle 16 is lower than the height of the rear axle 18 . In conjunction with the front axle 16 extending out of the left side of the pivot portion 141 and the rear axle 18 extending out of the left side of the pivot portion 141 , the bottom and top of the left forearm 22 each have a left forearm underside. tube 221 and a left forearm upper tube 222. The bottom and top of the left rear arm 24 each have a left rear arm lower tube 241 and a left rear arm upper tube 242, wherein the left forearm lower tube 221 is rotatably sleeved on On the left side of the front axle 16 , the left rear arm lower tube 241 is rotatably sleeved on the left side of the rear axle 18 .

The left pedal structure 26 includes a left pedal seat 261 and a left pedal 262. The left pedal 262 is combined with the top of the left pedal seat 261. The left pedal 262 is inclined in a direction of high front and low back. The left pedal surface 263 is formed on the top surface of the left pedal seat, so that the left pedal surface 263 is also set up high in the front and low in the rear; a bolt and nut set 264 is passed through the left forearm upper tube 222 and the The left rear arm upper tube 242 is respectively pivoted to the left forearm upper tube 222 and the left rear arm upper tube 242 to the left pedal seat 261 of the left pedal structure 26, so that the left pedal seat 261 is pivotally connected to the left pedal seat 261. The top of the left forearm 22 and the left rear arm 24 .

In conjunction with the front axle 16 extending out of the right side of the pivot portion 141 and the rear axle 18 extending out of the other side of the pivot portion 141 , the bottom and top of the right forearm 32 each have a right forearm underside. tube 321 and a right forearm upper tube 322. The bottom and top of the right rear arm 34 each have a right rear arm lower tube 341 and a right rear arm upper tube 342, wherein the right forearm lower tube 321 has a rotatable sleeve. Located on the right side of the front axle 16 , the right rear arm lower tube 341 is rotatably sleeved on the right side of the rear axle 18 .

The right pedal structure 36 includes a right pedal seat 361 and a right pedal 362. The right pedal 362 is combined with the top of the right pedal seat 361. The right pedal 362 is inclined in a direction of higher front and lower rear. The right stepping surface 363 is formed on the top surface of the left pedal 262, so that the left stepping surface 263 is also set up high in the front and low in the rear; another set of bolts and nuts 364 are passed through the right forearm upper tube 322 and the upper tube 322 of the right forearm. The right rear arm upper tube 342 is respectively pivotally connected to the right forearm upper tube 322 and the right rear arm upper tube 342 to the right pedal seat 361 of the right pedal structure 36, so that the right pedal seat 361 is pivotally connected to The tops of the right forearm 32 and the right rear arm 34 .

A seat structure 50 is provided in conjunction with the base 10 , and the seat structure 50 is connected to the rear side of the front support leg 12 . Specifically, the seat structure 50 includes a rear support leg 52 and a seat 54. The rear support leg 52 has a connecting rod 521 extending forward in the middle, and the connecting rod 521 is inserted into the front support leg. The connecting tube 122 of 12 passes through the connecting rod 521 and the connecting tube 122 through a fixing member 56, so that the connecting rod 521 and the connecting tube 122 are combined and positioned, and the seat 54 is combined with the connecting tube 122. The top of the rear support leg 52 allows the user to sit on the seat 54 and then use both feet to interactively perform stepping motions of stepping down the left pedal 262 and the right pedal 362 respectively.

Please refer to the second preferred embodiment of the present invention shown in Figs. Grip assembly 70. The left handle assembly 60 includes a left telescopic rod 62. The bottom of the left telescopic rod 62 has a left base 64, and the left base 64 is coupled to the left side wall of the left pedal base 261. The top end of the left telescopic rod 62 is combined with a left grip 66 . The right grip assembly 70 includes a right telescopic rod 72. The bottom of the right telescopic rod 72 has a right base 74, and the right base 74 is coupled to the right side wall of the right pedal base 361. The top end of the right telescopic rod 72 is combined with a right grip 76 .

The rest of the structure of the stepper 100 of the second preferred embodiment of the present invention is substantially the same as that of the first preferred embodiment. When the stepper 100 of the second preferred embodiment is used for exercise, the user also sits on the seat 54 and then uses both feet to interactively perform the stepping motion of stepping down the left pedal 262 and the right pedal 362 respectively. , when the user presses down the left pedal 262 and the right pedal 362 with both feet, the left grip 66 and right grip 76 of the added left grip assembly 60 and right grip assembly 70 can provide the user with both left and right hands. Hold, and the left grip 66 and the right grip 76 will move synchronously with the lifting movements of the left pedal assembly 20 and the right pedal assembly 30 . In this way, the stepper 100 can not only provide the treading movement of both feet, but also provide the user's hands with the movement of interactively pressing down the left grip 66 and the right grip 76, achieving simultaneous movement of both feet and hands. Effect.

The above descriptions are only preferred and feasible embodiments of the present utility model. All equivalent changes made by applying the description and claims of the present utility model are included in the scope of the claims of the present utility model.

Claims (10)

1. A treadmill, comprising:

the base is provided with a front supporting leg, a pivot support is arranged in the middle of the top of the front supporting leg, and the pivot support is provided with a pivot part;

the left pedal structure is pivoted to the top of the left front arm and the top of the left rear arm, so that the pivoting part, the left front arm, the left rear arm and the left pedal structure are pivoted to a parallelogram linkage mechanism, the left pedal structure is provided with a left pedal surface, and the left pedal surface is kept parallel at the front and rear positions in the swinging process of the left pedal assembly;

a right pedal assembly having a right forearm, a right rear arm, and a right pedal structure, the bottom of the right forearm and the bottom of the right rear arm being pivotally connected to the front and rear positions on the right side of the pivot portion, the right pedal structure being pivotally connected to the top of the right forearm and the top of the right rear arm such that the pivot portion, the right forearm, the right rear arm, and the right pedal structure are pivotally connected to a parallelogram linkage, the right pedal structure having a right pedal surface that is parallel to the front and rear positions of the right pedal assembly during swing; and

and the linkage resistance structure is combined with the base and connected with the left treading assembly and the right treading assembly, and the linkage resistance structure links the left treading assembly and the right treading assembly to act reversely and provide resistance for the left treading assembly and the right treading assembly to act.

2. The treadmill of claim 1, wherein the linkage resistance structure comprises a left pressure cylinder pivotally connected between the left forearm and the left side of the front support foot and a right pressure cylinder pivotally connected between the right forearm and the right side of the front support foot.

3. The stepping machine according to claim 2, wherein the bottom of the left forearm is provided with a left cable seat, the bottom of the right forearm is provided with a right cable seat, the linkage resistance structure is provided with a pulley seat in the middle of the top of the front supporting leg, the pulley seat is pivoted with a pulley, the top side of the pulley is provided with a cable, and two ends of the cable respectively extend downwards and are connected with the left cable seat and the right cable seat.

4. The stepping machine according to claim 1, wherein the left pedal structure comprises a left pedal seat and a left pedal, the left pedal seat is pivoted to the top of the left forearm and the left rear arm, the left pedal is combined to the top of the left pedal seat, the left pedal is obliquely arranged in a front-to-back low direction, and the left pedal surface is formed on the top surface of the left pedal seat; the right pedal structure comprises a right pedal seat and a right pedal, wherein the right pedal seat is pivoted to the tops of the right front arm and the right rear arm, the right pedal is combined to the top of the right pedal seat, the right pedal is obliquely arranged in the front-high and rear-low direction, and the right pedal surface is formed on the top surface of the right pedal seat.

5. The stepping machine according to any one of claims 1 to 4, wherein a front shaft and a rear shaft are transversely penetrated and fixed at front and rear positions of the pivoting part, and the height of the front shaft is lower than that of the rear shaft; the bottom and the top of the left forearm are respectively provided with a left forearm lower tube and a left forearm upper tube, and the left forearm lower tube is rotatably sleeved on the left side of the front axle; the bottom and the top of the left rear arm are respectively provided with a left rear arm lower pipe and a left rear arm upper pipe, and the left rear arm lower pipe is rotatably sleeved on the left side of the rear shaft; the left forearm upper tube and the left rear arm upper tube are respectively pivoted with the left pedal structure by a bolt and nut group penetrating through the left forearm upper tube and the left rear arm upper tube;

the bottom and the top of the right forearm are respectively provided with a right forearm lower tube and a right forearm upper tube, and the right forearm lower tube is rotatably sleeved on the right side of the front axle; the bottom and the top of the right rear arm are respectively provided with a right rear arm lower pipe and a right rear arm upper pipe, and the right rear arm lower pipe is rotatably sleeved on the right side of the rear shaft; and the right forearm upper pipe and the right rear arm upper pipe are respectively pivoted with the right pedal structure by passing through the right forearm upper pipe and the right rear arm upper pipe through another bolt and nut group.

6. The stepping machine according to any one of claims 1 to 4, wherein a seat structure is attached to the rear side of the front support leg.

7. The treadmill of claim 6, wherein the front support leg has a rearwardly extending connecting tube in the middle thereof, the seat structure has a rear support leg having a forwardly extending connecting rod in the middle thereof, the connecting rod being inserted into the connecting tube for positioning, and a seat being coupled to the top of the rear support leg.

8. The treadmill of claim 5, wherein a seat structure is attached to the rear side of the front support leg.

9. The treadmill of claim 8, wherein the front support leg has a rearwardly extending connecting tube in the middle thereof, the seat structure has a rear support leg having a forwardly extending connecting rod in the middle thereof, the connecting rod being inserted into the connecting tube for positioning, and a seat being coupled to the top of the rear support leg.

10. The stepping machine according to claim 4, wherein said left pedal seat is connected with a left grip assembly, said left grip assembly having a left grip; the right pedal seat is connected with a right holding rod component which is provided with a right grip.