TW202031319A - Stroke track adjustment structure for elliptical exercise machine including a support unit, a resistance unit, a linkage unit, and a stroke track adjustment unit - Google Patents

Abstract

A stroke track adjustment structure for an elliptical exercise machine includes a support unit, a resistance unit, a linkage unit, and a stroke track adjustment unit, wherein the support unit includes a base frame and a stand connected to the base frame, the resistance unit is arranged on the front side of the stand, the two linkage units are respectively connected to two sides of the stand and link the resistance unit; the linkage unit includes a rear swing rod, a lower linkage rod, a front swing rod and an upper linkage rod that are connected to and link with each other and form a parallelogram-like connecting rod structure, and the stroke track adjustment unit is arranged at one end of the front swing rod; thereby achieving adjustments of a variety of different motion track strokes through corresponding adjustments and combinations among the components of the stroke track adjustment unit.

Description

Stroke track adjustment structure of elliptical fitness machine

This creation is about an elliptical fitness machine's stroke trajectory adjustment structure. Through the corresponding adjustment combination between the stroke trajectory adjustment components, a variety of different motion trajectory stroke structures can be adjusted.

Press, the conventional elliptical orbit machine, as shown in the Republic of China patent certificate number M571752, when the user uses this kind of conventional elliptical orbit machine, the hand holds the swing lever and the foot is on the pedal at the same time. The swing rod swings back and forth, so that the linkage rod moves with the rotation of the flywheel and the swing of the swing rod to form an elliptical motion track. However, when using this type of elliptical orbit machine, the user cannot greatly adjust the linkage structure to obtain different motion trajectories of body swinging motions, and provide better exercise effects and more exercise pleasure, so it cannot cause consumption Willingness to buy. Therefore, how to develop and improve the problems of the above-mentioned conventional elliptical orbit machine, so as to improve the diversification of the elliptical orbit machine's functions, and provide users with better and more convenient sports equipment. This is indeed the effort of the relevant industry. The goal of research and development.

The conventional elliptical orbit machine cannot greatly adjust the linkage structure to obtain different body swing motion trajectories, and provide better exercise effects and more exercise fun. Therefore, it cannot arouse consumers' willingness to buy.

This creation is to provide a stroke trajectory adjustment structure for an elliptical fitness machine, which includes: a support unit, including a base frame and a stand connected to the base frame; a resistance unit, which is arranged on the front side of the stand, including There is a magnetron wheel, a pulley, and at least one belt. The belt wraps around the magnetron wheel and the pulley. The center of the two sides of the pulley is pivoted with two shafts with different angles; two linkage units are separately arranged in the stand Frame the left and right sides and link the resistance unit, including a front swing rod, a rear swing rod, an upper linkage rod and a lower linkage rod, wherein the upper end and the middle position of the two rear swing rods are pivotally connected to the vertical The upper end of the frame and one end of the upper link rod, the other end of the upper link rod is pivotally connected to the upper end of the front swing rod, the lower end of the front swing rod is pivotally connected to one end of the lower link rod, and the middle position and the other end of the lower link rod are respectively It is pivotally connected to the lower end of the rear swinging rod and fixedly connected to a pedal; a stroke track adjustment unit is arranged at the upper end of the front swinging rod and includes a fixed plate, a connecting rod and a positioning member, wherein the fixed plate is provided with several The adjustment hole is fixed on the shaft, one side of the post is pivotally connected to the fixed plate, and the positioning member passes through the front swing lever and the post and penetrates into the adjustment hole positioned on the fixed plate .

The effect of this creation is: the elliptical orbit machine provided by this creation can adjust a variety of motion trajectory stroke structures. The effect of this new model is mainly to adjust different step valves through the cooperation of the adjustment component, the swing grip and the pedal slide. Amplitude, provide better exercise effect and more exercise fun.

10‧‧‧Support unit

11‧‧‧Underframe

12‧‧‧stand

13‧‧‧Horizontal frame

14‧‧‧Longitudinal bracket

15‧‧‧Pivot

16‧‧‧Dashboard rack

17‧‧‧Handrail frame

18‧‧‧Upper fixing frame

19‧‧‧Lower fixing frame

20‧‧‧Support frame

21‧‧‧The first fixing frame

22‧‧‧Second fixing frame

30‧‧‧Resistance unit

31‧‧‧Magnetic wheel

32‧‧‧Pulley

33‧‧‧First belt

34‧‧‧Second belt

35‧‧‧First drive wheel

36‧‧‧Second driving wheel

37‧‧‧Axle

50‧‧‧Interlocking unit

51‧‧‧Front swing lever

511‧‧‧Hollow casing

512‧‧‧Pivot

52‧‧‧Back swing lever

53‧‧‧Upper linkage

54‧‧‧Lower Linkage

55‧‧‧Handrail

56‧‧‧Pedals

60‧‧‧Stroke trajectory adjustment unit

61‧‧‧Fixed plate

611‧‧‧Adjusting hole

62‧‧‧Connector

63‧‧‧Positioning piece

631‧‧‧Locating Rod

64‧‧‧Inner casing

70‧‧‧Dashboard

Picture 1 is the three-dimensional combination diagram of this creation.

Figure 2 is a three-dimensional combination drawing of this creation from another perspective.

Figure 3 is a three-dimensional exploded view of this creation.

Figure 4 is a partially enlarged three-dimensional view of the creative stroke adjustment unit.

Figure 5 is a partially enlarged and exploded view of the creative stroke adjustment unit.

Figure 6 is a side view of this creation.

Figure 7 is a schematic reference diagram of the positioning member of Figure 6 positioned to another adjustment hole.

Figure 8 is a partial enlarged side view of the resistance unit of this creation.

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 1~7. As shown, the present creation provides a stroke trajectory adjustment structure for an elliptical fitness machine, including: a bracket unit 10, including a bottom frame 11 and a stand 12 connected to the bottom frame 11, wherein the bottom frame 11 is A cross frame 13 in the left and right direction is connected in the center of the ㄇ shape. A longitudinal frame 14 is connected between the cross frame 13 and the front end of the base frame 11. The vertical frame 14 is connected to the lower end of the stand 12, and the stand 12 A pivot 15 is provided on both sides of the upper end, and its front side extends forward with an upper fixing frame 18 and a lower fixing frame 19. The upper fixing frame 18 is connected to an instrument panel frame 16 at the upper end, and an instrument panel 70 is fixed to the instrument panel frame 16 And the two sides respectively extend an armrest frame 17 in the left-right direction and connected to the rear end of the bottom frame 11, and a support frame 20 and a first fixing frame are connected between the upper fixing frame 18 and the lower fixing frame 19 Frame 21 and a second fixing frame 22; a resistance unit 30, including a magnetron wheel 31, a pulley 32, a first belt 33 and a second belt 34, wherein the two sides of the pulley 32 are pivoted Two shafts 37 with different angles, and the pulley 32 and the magnetic control wheel 31 are pivoted on the first fixing frame 21 and the second fixing frame 22 respectively, and are separated in front and behind the support frame 20, and the support frame A first transmission wheel 35 and a second transmission wheel 36 are pivoted on the two sides of 20 respectively. The first transmission wheel 35 and the pulley 32 are jointly sleeved around the first belt 33, and the second transmission wheel 36 and the magnetic control wheel 31 are jointly sleeved. Around the second belt 34, the pulley 32 and the magnetic control wheel 31 can act in synchronization with each other; two interlocking units 50 are separately arranged on the left and right sides of the stand 12 and interlock the resistance unit 30, including two fronts The swing rod 51, the two rear swing rods 52, the two upper linkage rods 53 and the two lower linkage rods 54, wherein the upper ends of the two rear swing rods 52 are respectively pivotally connected to the pivot posts 15 on the two sides of the stand 12, and are connected upward An armrest rod 55 is provided. In addition, the middle position of the two rear swing rods 52 is pivotally connected to one end of the upper linkage rod 53, the other end of the upper linkage rod 53 is pivotally connected to the upper end of the front swing rod 51, and the lower end of the front swing rod 51 It is pivotally connected to one end of the lower link lever 54. The middle position and the other end of the lower link lever 54 are respectively pivotally connected to the lower end of the rear swing lever 52 and fixed to a pedal 56 so that the front swing lever 51 and the rear swing lever 52 , The upper linkage rod 53 and the lower linkage rod 54 form a parallelogram-like linkage structure; a stroke trajectory adjustment unit 60 is arranged at the upper end of the front swing rod 51 and includes a fixed plate 61, a connecting rod 62 and a positioning A member 63, wherein the positioning member 63 has a structure of a pull pin or a knob of a positioning rod 631, the fixing plate 61 is provided with a plurality of adjustment holes 611 and fixed on the shaft 37, and the connecting rod 62 One side is pivotally connected to the fixed plate 61 and the other side is convexly provided with a hollow inner sleeve 64 that penetrates the extension rod 62, and one end of the front swing rod 51 pivotally connected to the upper linkage rod 53 is provided with a transverse hollow sleeve Tube 511, the hollow sleeve 511 is sleeved with the inner sleeve 64, and the positioning rod 631 of the positioning member 63 passes through The inner sleeve 64 is inserted into the adjustment hole 611 positioned on the fixed plate 61, and the outer periphery of the hollow sleeve 511 is provided with two parallel pivot lugs 512, and the two pivot lugs 512 are pivotally connected to the upper linkage rod 53 end.

With the above-mentioned structure and composition design, the operation, use and linkage of this creation are described as follows: the user holds the armrest 55 with both hands and steps on the pedal 56 and then swings the armrest 55, the rear swing lever 52 and the lower linkage lever 54 are caused to swing, and then the upper linkage lever 53 and the front swing lever 51 are synchronously linked, and then the swing of one end of the front swing lever 51 then sequentially synchronizes the linkage stroke trajectory adjustment unit 60, The pulley 32 and the magnetic control wheel 31, and at the same time the magnetic control wheel 31 provides resistance to the rotation of the pulley 32; thereby, the pedal 56 has resistance and forms an elliptical swing stroke track.

Therefore, please refer to Figures 6 to 7 comprehensively. When the user needs to adjust the stroke trajectory of different moving step valves, the positioning member 63 can be rotated or pulled to make the positioning rod 631 of the positioning member 63 separate from the fixed plate 61 The adjustment hole 611 of the positioning member 63 is then re-inserted on the different adjustment holes 611 of the fixed plate 61, so that the front swing lever 51, the rear swing lever 52, the upper linkage lever 53 and the lower The parallelogram connecting rod structure formed by the connecting rod 54 is deformed, that is, adjusting the stroke trajectory of different moving step valves is completed.

With the structure of the above specific embodiment, the following benefits can be obtained:

(1) This creation system can quickly and easily adjust the relative rotation angle of the fixed disk 61 and the positioning member 63 of the stroke trajectory adjustment unit 60, and cooperate with the swing of the linkage unit 50 to achieve adjustment of different body swing actions. Movement track provides better exercise effect and more exercise fun.

(2) The belt pulley 32 and the magnetic control wheel 31 of the creative resistance unit 30 are parallel to each other In design, when the parallelogram connecting rod structure composed of the front swing lever 51, the rear swing lever 52, the upper linkage rod 53 and the lower linkage rod 54 needs to be more deformed, the lower fixing frame 19 can be lengthened forward, Moving the pulley 32 and the magnetic control wheel 31 forward, and passing through the stroke trajectory adjustment unit 60, the parallelogram connecting rod structure can be deformed at a larger angle, so that the stroke trajectory of the moving step valve can be changed more and more diversified.

(3) The stroke trajectory adjustment unit 60 of this creation is designed to be installed at one end of the front swing lever 51. When the buyer needs an elliptical fitness machine with a relatively low cost and a single motion step valve stroke trajectory, it is produced The industry can not assemble the trajectory adjustment unit 60, but can ship with existing machines without reproducing machines with other structures; that is, the structure design of this creation can be determined to install the trajectory adjustment unit 60 at any time according to the needs of the buyer It can be shipped flexibly, and reduce the accumulation of different parts and components, and reduce the inventory cost and the pressure of backlog funds.

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

10‧‧‧Support unit

11‧‧‧Underframe

12‧‧‧stand

13‧‧‧Horizontal frame

14‧‧‧Longitudinal bracket

15‧‧‧Pivot

16‧‧‧Dashboard rack

17‧‧‧Handrail frame

18‧‧‧Upper fixing frame

19‧‧‧Lower fixing frame

20‧‧‧Support frame

21‧‧‧The first fixing frame

30‧‧‧Resistance unit

31‧‧‧Magnetic wheel

32‧‧‧Pulley

33‧‧‧First belt

35‧‧‧First drive wheel

37‧‧‧Axle

50‧‧‧Interlocking unit

51‧‧‧Front swing lever

52‧‧‧Back swing lever

53‧‧‧Upper linkage

54‧‧‧Lower Linkage

55‧‧‧Handrail

56‧‧‧Pedals

60‧‧‧Stroke trajectory adjustment unit

70‧‧‧Dashboard

Claims (9)

An elliptical fitness machine's stroke track adjustment structure includes: a support unit, including a base frame and a stand connected to the base frame; a resistance unit, which is arranged on the front side of the stand, and includes a magnetic control wheel, A pulley and at least one belt, the belt is sleeved around the magnetron wheel and the pulley, the center of the two sides of the pulley is pivoted with two shafts with different angles; two linkage units are separately arranged on the left and right of the stand The resistance unit is linked side by side and includes a front swing rod, a rear swing rod, an upper linkage rod and a lower linkage rod, wherein the upper and middle positions of the two rear swing rods are pivotally connected to the upper end of the stand and the upper linkage respectively One end of the rod, the other end of the upper linkage rod is pivotally connected to the upper end of the front swing rod, the lower end of the front swing rod is pivotally connected to one end of the lower linkage rod, the middle position and the other end of the lower linkage rod are pivotally connected to the rear The lower end of the swing rod and a pedal are fixedly connected; a stroke track adjustment unit is arranged at the upper end of the front swing rod, and includes a fixed plate, a connecting rod and a positioning member, wherein the fixed plate is provided with a plurality of adjustment holes and fixed On the shaft, one side of the connecting rod is pivotally connected to the fixed plate, and the positioning member passes through the front swing rod and the connecting rod and penetrates into an adjustment hole positioned on the fixed plate. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of the patent application, the bottom frame is in the shape of a ㄇ and the center is connected with a horizontal frame in the left and right directions. A longitudinal support is provided, and the lower end of the stand is connected to the longitudinal support. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of the patent application, a pivot is provided on both sides of the upper end of the stand, and the pivot is pivotally connected to the upper end of the rear swing rod. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of patent application, which Wherein, the stand frame further includes an upper fixing frame and a lower fixing frame extending forward, an instrument panel frame connected to the upper end of the upper fixing frame, a supporting frame connecting the upper fixing frame and the lower fixing frame, and a first fixing frame And a 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 and behind the support frame, and the two sides of the support frame are respectively The pivot is provided with a first transmission wheel and a second transmission wheel, the first transmission wheel and the belt pulley are jointly sleeved with a first belt, and the second transmission wheel and the magnetic control wheel are jointly sleeved with a second belt. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 4 of the scope of patent application, an instrument panel is fixed on the instrument panel frame, and two sides of the instrument panel respectively extend in a left-right direction and connected to the rear end of the chassis The armrest frame. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of patent application, an armrest rod is connected to the upper end of the rear swing rod upward. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of patent application, the positioning member is a structure of a pull pin with a positioning rod. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in item 1 of the scope of patent application, the positioning member is a knob with a positioning rod. According to the stroke trajectory adjustment structure of the elliptical fitness machine described in the scope of the patent application, wherein, one end of the front swing rod pivotally connected to the upper linkage rod is provided with a transverse hollow sleeve, and one side of the extension rod is convexly provided with a hollow And penetrate the inner sleeve of the extension rod, the inner sleeve is for the hollow sleeve to sleeve, so that the positioning member passes through the inner sleeve and penetrates into the adjustment hole positioned on the fixed plate, and the hollow sleeve Two parallel pivot ears are arranged on the outer periphery of the tube, and the two pivot ears are pivotally connected to one end of the upper linkage rod.

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