TWI710392B - Electric stroke track adjusting structure of elliptical fitness machine - Google Patents

Abstract

An electric stroke trajectory adjustment structure of an elliptical fitness machine, mainly in the resistance unit There is a linkage unit connected to the two sides. The linkage unit is provided with and linked with a stroke trajectory adjustment mechanism. The stroke trajectory adjustment mechanism includes a motor with a rotating screw, an outer cylinder for the rotation of the rotating screw and a sliding seat. , And a slide rail set for sliding displacement of the slide seat, wherein one end of the outer cylinder is pivotally connected to the slide seat and the other end of the outer cylinder is used for the rotation and telescopic displacement of the rotating screw, and the slide seat is pivotally connected to a linkage rod group At one end, the other end of the linkage rod group is pivotally connected to the linkage unit; thereby, when the motor drives the rotating screw to rotate, the outer cylinder is raised or lowered, and the linkage unit is driven to swing through the linkage rod group, thereby changing The trajectory of the swing of the linkage unit.

Description

Electric stroke track adjusting structure of elliptical fitness machine

This creation is related to an electric stroke trajectory adjustment structure of an elliptical fitness machine. Through the corresponding adjustment between the electric stroke trajectory adjustment components, a variety of different exercise stroke trajectory structures can be adjusted.

According to the stroke trajectory adjustment structure of the elliptical fitness machine previously applied by the present inventor, as shown in the ROC patent number I682799, the method of adjusting the stroke trajectory is as follows: when the user needs to adjust the stroke trajectory of different step valves, Rotate or pull the positioning member to make the positioning rod of the positioning member separate from the adjustment hole of the fixed disk, and then re-thread the positioning rod of the positioning member to different adjustment holes on the fixed disk, making the original front swing rod The parallelogram connecting rod structure composed of the rear swing rod, the upper linkage rod and the lower linkage rod is deformed, that is, the adjustment of different movement step valve stroke trajectories is completed. However, it has the following disadvantages, that is, when the user needs to adjust the stroke trajectory of the step valve, it is necessary to bother to rotate or pull the positioning parts on the two sides respectively, and also pay attention to ensure that the positioning parts on both sides are inserted into the corresponding adjustment holes at the same time. Otherwise, when the user steps on the pedal, the body swing action will be unbalanced due to the different stroke trajectories of the left and right feet. Therefore, how to develop and improve the above-mentioned problems of the conventional elliptical fitness machine, so as to improve the diversified functions of the elliptical fitness machine, and provide users with high-convenience sports equipment. This is the goal of the relevant industry. .

In view of the elliptical fitness machine previously applied by the present inventor, when adjusting the stroke trajectory of the step valve, the user needs to adjust the positioning parts on the two sides respectively, and also pay attention to ensure that the positioning parts on both sides are inserted into the corresponding adjustment at the same time Hole is very time-consuming and troublesome. Moreover, if the positioning parts on the two sides are not inserted into the corresponding adjustment holes, when the user steps on the pedal, the body will swing due to the different stroke trajectories of the left and right feet. unbalanced.

This creation is to provide an electric stroke trajectory adjustment structure for an elliptical fitness machine. It includes a base frame and a stand connected to the base frame. The stand is provided with a resistance unit, and the resistance unit is controlled by a magnet. It consists of a pulley, a pulley, and at least one belt. The belt wraps around the magnetron wheel and the pulley, and makes the magnetron wheel and the pulley interlock with each other, and the two sides of the center of the pulley are pivoted with two shafts with different angles , And two sides of the resistance unit are respectively provided with a linkage unit that links the resistance unit, and the linkage unit is connected to a pedal. The main feature of the linkage unit is that the linkage unit includes a front swing rod, a rear swing rod, an upper linkage rod, and A lower linkage rod, wherein the upper and lower ends of the rear swing rod are respectively pivotally connected to the upper position of the stand and the rear position of the lower linkage rod. The front end of the upper linkage rod and the upper end of the front swing rod are jointly connected to the shaft, and the front swing rod The lower end of the rod is pivotally connected to the front end of the lower linkage rod, the rear end of the lower linkage rod is fixedly connected to a pedal, and the rear swing rod is provided with a stroke track adjustment mechanism, and includes a motor for rotating the screw, and a motor for the rotation of the screw. The inner rotating displacement outer cylinder, a sliding seat, and a sliding rail group for sliding displacement of the sliding seat, wherein the motor and the sliding rail group are fixed on the rear swing rod, and one end of the outer cylinder is pivoted Connected to the sliding seat and the other end of the rotating screw rod for the rotation and telescopic displacement, and the sliding seat is pivotally connected with a linkage rod group, the linkage rod group further includes a first linkage rod and a second linkage rod, the rear swing The rod is pivotally connected to one end of the first linkage rod, and the other end of the first linkage rod is pivotally connected to the rear end of the upper linkage rod. At the same time, the The sliding seat is pivotally connected to one end of the second linkage rod, and the other end of the second linkage rod is pivotally connected to the first linkage rod; thereby, when the motor drives the rotating screw to rotate, the outer cylinder is raised or lowered and passes through the The linkage rod group drives the upper linkage rod to swing, thereby changing the swing stroke trajectory of the linkage unit.

The effect of this creation is that the present invention simultaneously controls and changes the quadrilateral linkage structure formed by the linkage units on both sides through the electric stroke trajectory adjustment mechanism to achieve the adjustment of the stroke trajectory of different foot swing motions, which is not only convenient, It is fast, and provides more exercise effects and exercise fun.

10: bottom frame

101: stand

11: Front stand

12: Rear stand

13: Dashboard

14: Armrest frame

15: first pivot

16: horizontal frame

17: Longitudinal bracket

20: Resistance unit

21: Magnetron wheel

22: Pulley

23: Upper fixing frame

24: Lower fixed frame

25: Support frame

26: The first fixing frame

27: The second fixing frame

28: The first drive wheel

29: second drive wheel

30: shaft

31: The first belt

32: second belt

40: Linkage unit

41: Front swing lever

42: Rear swing lever

43: upper linkage

44: Lower Linkage Rod

45: Pedal

46: Pivot

50: Stroke trajectory adjustment mechanism

51: Motor

52: Turn the screw

53: Outer cylinder

54: Slide

55: Slide rail group

551: Slide

56: fixed parts

60: Linkage rod group

61: The first linkage

62: second linkage

63: second pivot

Figure 1 is a three-dimensional assembly diagram of the present invention.

Figure 2 is an exploded perspective view of the present invention.

Figure 3 is a partial enlarged view of Figure 1.

Figure 4 is a partially enlarged and exploded view of the stroke trajectory adjustment mechanism of the present invention.

Figure 5 is a schematic side view of the shorter stroke trajectory of the present invention.

Figure 6 is a schematic side view of the longer travel trajectory of the present invention.

In order to enable your reviewer to have a further understanding and understanding of the purpose, features and effects of this creation, the following please cooperate with [Schematic Description] to list examples, detailed description is as follows: please refer to Figures 1~6 As shown, this creative department provides an electric type of elliptical fitness machine The trajectory adjustment structure includes: a base frame 10, which is placed on a ground, and is connected to a stand 101. The stand 101 further includes a front stand 11 and a rear stand 12, the front stand 11 is provided with an instrument panel 13 at the upper end, a first pivot 15 is provided on both sides of the upper part of the rear stand 12, and the bottom frame 10 is in the shape of a letter with a horizontal frame 16 connected to the center. A longitudinal support 17 is connected between the horizontal frame 16 and the front end of the base frame 10, and the longitudinal support 17 is connected to the lower ends of the front stand 11 and the rear stand 12; a resistance unit 20 is also provided on the front stand 11 And on the rear stand 12, the resistance unit 20 includes a magnetic control wheel 21, a pulley 22, an upper fixing frame 23 and a lower fixing frame 24, a supporting frame 25 connecting the upper fixing frame 23 and the lower fixing frame 24, The first fixing frame 26 and the second fixing frame 27, the first fixing frame 26 and the second fixing frame 27 respectively pivot the pulley 22 and the magnetron wheel 21, and separate the pulley 21 and the magnetron wheel 22 from the support In front of and behind the frame 25, a first transmission wheel 28 and a second transmission wheel 29 are pivoted on the two sides of the support frame 25, the first transmission wheel 28 and the pulley 22 are jointly sleeved with a first belt 31, the second The two transmission wheels 29 and the magnetic control wheel 21 are jointly sheathed with a second belt 32, and two shafts 30 with different angles are pivoted on the two sides of the center of the pulley 22; two linkage units 40 are respectively arranged in the resistance unit The resistance unit 20 is connected on two sides of 20. The linkage unit 40 includes a front swing rod 41, a rear swing rod 42, an upper linkage rod 43, and a lower linkage rod 44, wherein an armrest frame extends from the upper end of the rear swing rod 42 14, and the upper and lower ends of the rear swing lever 42 are respectively pivotally connected to the rear position of the first pivot lever 15 and the lower linkage lever 44, and the front end of the upper linkage lever 43 and the upper end of the front swing lever 41 are jointly connected to the shaft 30, The lower end of the front swing rod 41 is pivotally connected to the front end of the lower linkage rod 44, and the rear end of the lower linkage rod 44 is fixedly connected to a pedal 45; two stroke trajectory adjustment mechanisms 50 are respectively arranged on the two rear swing rods 42, including a A motor 51 with a rotating screw 52, an outer cylinder 53, a sliding seat for the rotating screw 52 to rotate and displace inside it 54. And a slide rail group 55 for sliding displacement of the slide base 54, wherein the motor 51 is fixed on the rear swing rod 42, and the slide rail group 55 further includes two slide rails 551 arranged in parallel. The two ends of the sliding rail 551 are fixedly connected to a fixing member 56 and fixed to the rear swing rod 42 by the fixing member 56. One end of the outer cylinder 53 is pivotally connected to the sliding seat 54 and the other end is provided for the rotating screw 52 rotates and expands and displaces; a linkage rod group 60 further includes a first linkage rod 61 and a second linkage rod 62, the rear swing rod 42 is provided with a pivot 46, the pivot 46 is pivotally connected to the first One end of the linkage rod 61, the other end of the first linkage rod 61 is pivotally connected to one end of a second pivot rod 63, the other end of the second pivot rod 63 is pivotally connected to the rear end of the upper linkage rod 43, and the sliding seat 54 is pivotally connected At one end of the second linkage rod 62, the other end of the second linkage rod 62 is pivotally connected to the first linkage rod 61.

Wherein, the dashboard 13 controls the motor 51 in a wired or wireless transmission manner.

With the above-mentioned structure and composition design, the operation, use and linkage of this creation are described as follows: First, the linkage relationship between the resistance unit 20 and the linkage unit 40 is described as follows: the user holds the armrest 14 with both hands , And step the foot on the pedal 45 to make an oval cyclic swing, so that the lower linkage rod 44 synchronously links the front swing rod 41, the upper linkage rod 43 and the rear swing rod 42 to swing; at the same time, the front swing rod 41 also At the same time, the pulley 22 is driven to rotate, and at the same time, the magnetic control wheel 21 provides resistance to rotation of the pulley 22; thereby, the user has resistance when stepping on the pedal 45 and forms an elliptical swing stroke track.

Secondly, when the user needs to adjust the stroke trajectory of different moving step valves, the instrument panel 13 can be used to control the motor 51 in a wired or wireless transmission manner, and make the rotating screw 52 rotate. And drive the outer cylinder 53 to move straight up and down by the sliding rail 551. At the same time, the movement of the sliding seat 54 simultaneously drives the second linkage rod 62 and the first linkage rod 61, so that the upper linkage rod 43 Oscillation occurs, so that the original quadrilateral linkage structure formed by the front swing lever 41, the rear swing lever 42, the upper linkage rod 43 and the lower linkage rod 44 is deformed, that is, different elliptical motion step valve stroke trajectories are generated.

Therefore, when the outer cylinder 53 slides upward, the forward and rearward swing stroke distance of the linkage unit 40 is longer; on the contrary, when the outer cylinder 53 slides downward, the linkage unit 40 swings forward and backward. The travel distance is short.

With the structure of the above specific embodiment, the following benefits can be obtained: the present invention can directly control the instrument panel 13, and simultaneously control and change the linkage unit 40 (front swing lever 41, rear swing Rod 42, upper linkage rod 43, and lower linkage rod 44) constitute a quadrilateral linkage structure to achieve adjustment of the stroke trajectory of the foot swing with different swing lengths, which is not only convenient and fast, but also provides more exercise effects and sports fun .

In summary, the present invention can effectively solve the deficiencies of conventional creation, and can be easily implemented by those of ordinary knowledge in the relevant technical field. However, the above is only a preferred embodiment of the present invention. However, it should not be used to limit the scope of implementation of the present invention; that is, all equivalent changes and modifications made in accordance with the scope of the patent application of the present invention should still fall within the scope of the patent of the present invention.

10: bottom frame

101: stand

11: Front stand

12: Rear stand

13: Dashboard

14: Armrest frame

15: first pivot

16: horizontal frame

17: Longitudinal bracket

20: Resistance unit

21: Magnetron wheel

22: Pulley

23: Upper fixing frame

24: Lower fixed frame

25: Support frame

26: The first fixing frame

27: The second fixing frame

28: The first drive wheel

30: shaft

31: The first belt

40: Linkage unit

41: Front swing lever

42: Rear swing lever

43: upper linkage

44: Lower Linkage Rod

45: Pedal

6: Pivot 4

50: Stroke trajectory adjustment mechanism

51: Motor

52: Turn the screw

53: Outer cylinder

54: Slide

55: Slide rail group

551: Slide

56: fixed parts

60: Linkage rod group

61: The first linkage

62: second linkage

63: second pivot

Claims (9)

An electric stroke trajectory adjustment structure for an elliptical exercise machine includes a base frame, a stand connected to the base frame, the stand is provided with a resistance unit, the resistance unit is composed of a magnetic control wheel, a pulley, and The belt is composed of at least one belt, the belt is sleeved around the magnetron wheel and the pulley, and the magnetron wheel and the pulley are mutually linked, and the two sides of the center of the pulley are pivoted with two shafts with different angles, and the resistance unit The two sides are respectively provided with a linkage unit that links the resistance unit, and the linkage unit is connected to a pedal. The main feature of the linkage unit is that the linkage unit includes a front swing rod, a rear swing rod, an upper linkage rod, and a lower linkage rod. , The upper and lower ends of the rear swing lever are respectively pivotally connected to the upper position of the stand and the rear position of the lower linkage lever. The front end of the upper linkage lever and the upper end of the front swing lever are jointly connected to the shaft, and the lower end of the front swing lever is pivotally connected to The front end of the lower linkage rod and the rear end of the lower linkage rod are fixedly connected with a pedal, and the rear swing rod is provided with a stroke track adjustment mechanism, and includes a motor with a rotating screw, and a motor for the rotation of the rotating screw inside the The outer cylinder, a sliding seat, and a slide rail group for sliding displacement of the sliding seat, wherein the motor and the slide rail group are fixed on the rear swing rod, and one end of the outer cylinder is pivotally connected to the sliding seat And the other end of the rotating screw is used for the rotation and telescopic displacement of the rotating screw, and the sliding seat is pivotally connected to a linkage rod group. The linkage rod group further includes a first linkage rod and a second linkage rod. The rear swing rod is pivotally connected to the first linkage rod. One end of a linkage rod, the other end of the first linkage rod is pivotally connected to the rear end of the upper linkage rod, at the same time, the sliding seat is pivotally connected to one end of the second linkage rod, and the other end of the second linkage rod is pivotally connected to the first linkage rod; Thereby, when the motor drives the rotating screw to rotate, the outer cylinder is raised or lowered, and the upper linkage rod is driven to swing through the linkage rod group, thereby changing the swing stroke track of the linkage unit. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of patent application Wherein, the bottom frame is in the shape of """ and its center is connected with a horizontal frame in the left and right directions, and a longitudinal bracket is connected between the horizontal frame and the front end of the bottom frame. According to the electric stroke trajectory adjustment structure of the elliptical exercise machine described in the scope of the patent application, the stand frame further includes a front stand and a rear stand, the upper end of the front stand is provided with an instrument panel, and the rear stand A first pivot rod is arranged on both sides of the stand, and one end of the first pivot rod is pivotally connected to the upper end of the rear swing rod. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine described in item 3 of the scope of patent application, the instrument panel controls the motor in a wired or wireless transmission mode. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine described in the first item of the scope of patent application, an armrest frame extends from the upper end of the rear swing rod. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine described in the scope of the patent application, the resistance unit further includes an upper fixing frame and a lower fixing frame, a supporting frame connecting the upper fixing frame and the lower fixing frame, The first fixing frame and the second fixing frame, the first fixing frame and the second fixing frame respectively pivot the pulley and the magnetron wheel, and separate the pulley and the magnetron wheel in front of and behind the support frame, and the support A first transmission wheel and a second transmission wheel are pivoted on two sides of the frame respectively. The first transmission wheel and the belt pulley are co-wrapped with a first belt, and the second transmission wheel and the magnetic control wheel are co-wrapped with a second belt. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of patent application, the slide rail set further includes two slide rails arranged in parallel, and two ends of the slide rail are fixedly connected with a fixing member, and The fixing member is fixed on the rear swing rod. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine according to the first item of the scope of patent application, wherein the other end of the first linkage rod is pivotally connected to one end of a second pivot rod, and the other end of the second pivot rod pivots Connect the rear end of the upper linkage rod. According to the electric stroke trajectory adjustment structure of the elliptical fitness machine according to the first item of the scope of patent application, the rear swing rod is provided with a pivot, and the pivot is pivotally connected to one end of the first linkage rod.

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