A torso twisting machine

Abstract

A kind of waist twisting machine, including base and torsion mechanism, torsion mechanism is rotatably arranged on base around vertical axis, it is characterized in that: base includes crossbeam and two longitudinal beams, two longitudinal beams are arranged in parallel interval, crossbeam is connected between two longitudinal beams, torsion mechanism includes rotating beam and two foot pedals, the middle part of rotating beam is rotatably arranged in the middle part of crossbeam, two foot pedals are symmetrically arranged in the top of rotating beam, elastic reset mechanism is arranged between each longitudinal beam and rotating beam, the above scheme when using, user's both feet are treaded on two foot pedals, waist power is used to drive torsion mechanism to twist, make rotating beam reciprocatingly positive and negative direction rotation relative to base, to exercise waist power.

Description

Technical Field

[0001] This utility model relates to a waist twisting machine. Background Technology

[0002] Chinese patent document CN208599073U discloses a gear-driven waist twisting machine, including a base, a pedal, and a handrail. The pedal is rotatably mounted on the base via a central shaft sleeve. The base is equipped with a steering and swinging mechanism, which includes a central gear, a sector gear, a rotating shaft, a rotating sleeve, and a steering connecting seat, all fixed to the central shaft sleeve. The rotating shaft is fixed to the base, and the rotating sleeve is rotatably mounted on the rotating shaft. The steering connecting seat and the sector gear are correspondingly fixed to the front and rear sides of the rotating sleeve. The sector gear meshes with the central gear. The hand is connected to the steering connector; when the pedal drives the central gear to turn, the sector gear, driven by the central gear, drives the handrail to swing in the opposite direction around the rotating sleeve. An elastic reset mechanism is provided between the rotating sleeve and the rear of the machine base. The elastic reset mechanism includes a reset plate and a reset spring. The reset plate is fixed on the rotating sleeve and has a reset plate spring seat. The rear of the machine base has a machine base spring seat, and the reset spring is connected between the reset plate spring seat and the machine base spring seat. The above-mentioned waist twisting machine uses central gear and sector gear transmission, which has a complex structure and the parts are easily damaged. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a waist twisting machine with a simple structure and long service life.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A waist twisting machine includes a base and a twisting mechanism. The twisting mechanism is rotatably mounted on the base about a vertical axis. The base includes a crossbeam and two longitudinal beams, which are arranged parallel to each other and spaced apart. The crossbeam connects the two longitudinal beams. The twisting mechanism includes a rotating beam and two foot pedals. The middle part of the rotating beam is rotatably mounted about a vertical axis in the middle of the crossbeam. The two foot pedals are symmetrically mounted on the top of the rotating beam. An elastic reset mechanism is provided between each longitudinal beam and the rotating beam. The elastic reset mechanism includes two first fixing components, a second fixing component, and two elastic ropes. The two first fixing components are spaced apart on the longitudinal beams, and the second fixing component is mounted on the rotating beam. One end of each elastic rope is connected to a corresponding first fixing component, and the other end is connected to a second fixing component.

[0006] When using the above solution, the user steps on the foot pedals and uses the strength of their waist to drive the torsion mechanism to twist, causing the rotating beam to rotate back and forth relative to the base, thereby exercising the waist strength. During this process, the elastic reset mechanism provides both resistance and a certain amount of reset force, thereby increasing the intensity of the exercise. The elastic reset mechanism uses two elastic ropes, which can provide better elastic reset force and increase the service life of the elastic ropes. In addition, compared with the existing technology, the overall structure of this utility model is simpler.

[0007] A vertically extending fixed shaft is provided in the middle of the crossbeam. The fixed shaft includes a fixed section and a pivot section. The pivot section is connected to the upper end of the fixed section, and the diameter of the pivot section is smaller than that of the fixed section. A bushing is provided in the middle of the rotating beam. The bushing is rotatably fitted onto the pivot section through an upper bearing and a lower bearing. A vertically extending screw hole is provided at the upper end of the pivot section. A limit bolt is provided in the screw hole. The limit bolt presses against the top of the inner ring of the upper bearing to restrict the upper bearing from moving upward. The inner ring of the lower bearing is supported at the upper end of the fixed section. This structure facilitates the assembly of the product. That is, during assembly, the bushing containing the upper and lower bearings is fitted onto the pivot section, and then the limit bolt is installed to complete the installation of the base and the torsion mechanism.

[0008] The crossbeam has mounting holes in the middle that are compatible with the fixed section, which ensures the stable installation of the fixed shaft.

[0009] The first fixing component includes a first connecting post and a rotating sleeve. The first connecting post is fixed to the top of the longitudinal beam, and the rotating sleeve is rotatably fitted onto the first connecting post. One end of the elastic rope is provided with an annular segment fitted onto the rotating sleeve. The second fixing component includes a second connecting post, which is fixed to the bottom of the rotating beam. The other end of the elastic rope is provided with an annular segment fitted onto the second connecting post. One end of the elastic rope is connected to the first connecting post through the rotating sleeve, which can prevent the elastic rope from rubbing against the first connecting post and affecting the service life of the elastic rope.

[0010] The torsion mechanism also includes a support beam fixed to the rotating beam and arranged perpendicular to the rotating beam. The support beam is supported at the bottom of the foot pedal, and this structure can improve the strength of the foot pedal.

[0011] The bottom of both ends of the longitudinal beam is equipped with foot pads with suction cups.

[0012] A protective cover is installed on the longitudinal beam. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings.

[0014] Figure 1 This is a perspective view of the present invention.

[0015] Figure 2 This is a perspective view of the present invention.

[0016] Figure 3 This is a top view of the present invention.

[0017] Figure 4 for Figure 3 A sectional view along line AA.

[0018] Figure 5 for Figure 3 BB-direction sectional view. Detailed Implementation

[0019] Reference Figures 1 to 5 As shown, a waist twisting machine includes a base 1 and a twisting mechanism 2. The twisting mechanism 2 is rotatably mounted on the base 1 around a vertical axis. The base 1 includes a crossbeam 11 and two longitudinal beams 12. The two longitudinal beams 12 are arranged in parallel and spaced apart. The crossbeam 1 is connected between the middle of the two longitudinal beams 12. Foot pads 122 with suction cups are provided at the bottom of both ends of the longitudinal beams 12. A protective cover 121 is provided on the longitudinal beams 12. The protective cover 121 is adapted to the longitudinal beams 12 and covers the top and sides of the longitudinal beams 12. The crossbeam 11 and the longitudinal beams 12 are made of metal profiles and are welded and fixed to each other.

[0020] The torsion mechanism 2 includes a rotating beam 21, two foot pedals 22, and four support beams 23. The support beams 23 are fixed on the rotating beam 21 and arranged perpendicularly to it. The middle part of the rotating beam 21 is rotatably arranged around the vertical axis in the middle of the crossbeam 11. The two foot pedals 22 are symmetrically arranged on the top of the rotating beam 21, and the support beams 23 support the bottom of the foot pedals 22. This structure can improve the strength of the foot pedals 22. A fixed shaft 4 extending vertically upward is provided in the middle of the crossbeam 11. The fixed shaft 4 includes a fixed section 41 and a pivot section 42. The pivot section 42 is connected to the upper end of the fixed section 41. The diameter of the pivot section 42 is smaller than the diameter of the fixed section 41. A mounting hole adapted to the fixed section 41 is formed in the middle of the crossbeam 11. The fixed section 41 is fixedly connected to the crossbeam 11. A bushing 43 is provided in the middle of the rotating beam 21. The bushing 43 is rotatably fitted on the pivot section 42 through the upper bearing 44 and the lower bearing 46. The upper end of the pivot section 42 is provided with a vertically extending screw hole. A limit bolt 45 is provided in the screw hole. The limit bolt 45 presses on the top of the inner ring of the upper bearing 44 to restrict the upper bearing 44 from moving upward. The inner ring of the lower bearing 46 is supported on the upper end of the fixed section 41. This structure facilitates the assembly of the product. That is, during assembly, the bushing 43 with the upper bearing 44 and the lower bearing 46 is fitted on the pivot section 42, and then the limit bolt 45 is installed to complete the installation of the base 1 and the torsion mechanism 2.

[0021] An elastic reset mechanism 3 is provided between each longitudinal beam 12 and the rotating beam 21. The elastic reset mechanism 3 includes two first fixing components, one second fixing component, and two elastic ropes 34. The two first fixing components are spaced apart on the longitudinal beam 12, and the second fixing component is provided on the rotating beam 21. One end of each elastic rope 34 is connected to the corresponding first fixing component, and the other end is connected to the second fixing component. The first fixing component includes a first connecting post 33 and a rotating sleeve 31. The first connecting post 33 is fixed to the top of the longitudinal beam 12, and the rotating sleeve 31 is rotatably fitted onto the first connecting post 33. On column 33, one end of elastic rope 34 is provided with an annular segment sleeved on rotating sleeve 31; the second fixing component includes a second connecting column 32, which is fixed to the bottom of rotating beam 21. The other end of elastic rope 34 is provided with an annular segment sleeved on the second connecting column 32. One end of elastic rope 34 is connected to the first connecting column 33 through rotating sleeve 31, which can prevent elastic rope 34 from rubbing against the first connecting column 33 and affecting the service life of elastic rope 34. Similarly, rotating sleeve connected to elastic rope 34 can also be provided on the second connecting column 32.

[0022] When using the above scheme, the user steps on the two foot pedals 22 and uses the strength of the waist to drive the torsion mechanism 2 to twist, so that the rotating beam 31 rotates back and forth relative to the base 1, thereby exercising the waist strength; during this process, the elastic reset mechanism 3 can provide both resistance and a certain reset force, thereby increasing the intensity of the exercise; the elastic reset mechanism 3 uses two elastic ropes 34, which can provide better elastic reset force and improve the service life of the elastic ropes 34, and the two elastic ropes 34 cooperate to position the initial position of the torsion mechanism 2.

[0023] The above description is merely a preferred embodiment of the present utility model, and therefore cannot be construed as limiting the scope of the present utility model. All equivalent changes and modifications made in accordance with the scope of the patent application and the contents of the specification of the present utility model shall still fall within the scope of the patent of the present utility model.

Claims

1. A waist-twisting machine, comprising a base and a twisting mechanism, the twisting mechanism being rotatably mounted on the base about a vertical axis, characterized in that: The base includes a crossbeam and two longitudinal beams, which are arranged in parallel and spaced apart. The crossbeam is connected between the two longitudinal beams. The torsion mechanism includes a rotating beam and two foot pedals. The middle part of the rotating beam is rotatably arranged around the vertical axis in the middle of the crossbeam. The two foot pedals are symmetrically arranged on the top of the rotating beam. An elastic reset mechanism is provided between each longitudinal beam and the rotating beam. The elastic reset mechanism includes two first fixing components, one second fixing component, and two elastic ropes. The two first fixing components are spaced apart on the longitudinal beams. The second fixing component is arranged on the rotating beam. One end of the two elastic ropes is connected to the corresponding first fixing component, and the other end is connected to the second fixing component.

2. The waist twisting machine according to claim 1, characterized in that: A vertically extending fixed shaft is provided in the middle of the crossbeam. The fixed shaft includes a fixed section and a pivot section. The pivot section is connected to the upper end of the fixed section. The diameter of the pivot section is smaller than that of the fixed section. A bushing is provided in the middle of the rotating beam. The bushing is rotatably fitted onto the pivot section through an upper bearing and a lower bearing. A vertically extending screw hole is provided at the upper end of the pivot section. A limit bolt is provided in the screw hole. The limit bolt presses against the top of the inner ring of the upper bearing to restrict the upper bearing from moving upward. The inner ring of the lower bearing is supported at the upper end of the fixed section.

3. A waist twisting machine according to claim 2, characterized in that: The crossbeam has mounting holes in the middle that are adapted to the fixed section.

4. A waist twisting machine according to claim 1, characterized in that: The first fixing component includes a first connecting post and a rotating sleeve. The first connecting post is fixed to the top of the longitudinal beam, and the rotating sleeve is rotatably fitted on the first connecting post. One end of the elastic rope is provided with an annular segment fitted on the rotating sleeve. The second fixing component includes a second connecting post, which is fixed to the bottom of the rotating beam. The other end of the elastic rope is provided with an annular segment fitted on the second connecting post.

5. A waist-twisting machine according to claim 1, characterized in that: The torsion mechanism also includes a support beam fixed to the rotating beam and arranged perpendicularly to the rotating beam, the support beam being supported at the bottom of the foot pedal.

6. A waist-twisting machine according to claim 1, characterized in that: The bottom of both ends of the longitudinal beam is equipped with foot pads with suction cups.

7. A waist twisting machine according to claim 1, characterized in that: A protective cover is installed on the longitudinal beam.

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