A multi-functional exercise bike for the elderly

Abstract

This utility model discloses a multifunctional exercise bike for the elderly. The multifunctional exercise bike includes a front end and a body, which are hinged together via a base tube and an adjusting sleeve. A seat is slidably connected to the top of the body via a slide rail. A fixing plate is provided on the side of the slide rail, and a slot is provided on the top of the fixing plate. A locking device is provided at the bottom of the seat, cooperating with the slot to fix the seat in different positions on the slide rail. The front end is equipped with a pedal motor to provide resistance for exercise. The front end can rotate around the junction axis of the base tube and the adjusting sleeve, enabling the exercise bike to switch between lower limb and upper limb training functions. The advantages are: by utilizing the hinge axis between the front end and the body via the base tube and the adjusting sleeve, the bike can rotate flexibly around the junction axis, enabling the switching between lower limb cycling training and upper limb driving training functions. It is easy to operate and suitable for use by the elderly.

Description

Technical Field

[0001] This utility model belongs to the technical field of fitness vehicles for the elderly, and in particular relates to a multifunctional fitness vehicle for the elderly. Background Technology

[0002] With the increasing demand for home fitness and rehabilitation training among the elderly, exercise bikes have become important health equipment. On the one hand, most products have relatively limited functions, either focusing only on lower limb training or requiring additional accessories to achieve upper limb exercises. Switching between upper and lower limb training modes is cumbersome and fails to meet the training needs of the elderly. On the other hand, seat adjustment designs are limited, with existing adjustments mostly concentrated on the forward / backward or height directions, lacking flexible adjustment of the tilt angle, and unable to adapt to the comfort posture needs of elderly people with different body types and lumbar conditions. Therefore, there is an urgent need for a multifunctional exercise bike for the elderly that can easily switch between upper and lower limb training, has flexible seat adjustment, and is securely fixed, to solve the pain points of existing technologies. Summary of the Invention

[0003] The purpose of this utility model embodiment is to provide a multifunctional exercise bike for the elderly, which aims to solve the technical problem that existing exercise bikes for the elderly have limited functions and cannot switch between lower limb training and upper limb training.

[0004] The present invention is implemented as follows: A multifunctional exercise bike for the elderly includes a front end and a body, which are hinged together by a base tube and an adjusting sleeve. A seat is slidably connected to the top of the body via a slide rail. A fixing plate is provided on the side of the slide rail, and a slot is provided on the top of the fixing plate. A locking device is provided at the bottom of the seat, which cooperates with the slot to fix the seat in different positions on the slide rail. The front end is equipped with a pedal to provide resistance for exercise. The front end can rotate around the junction axis of the base tube and the adjusting sleeve, realizing the function conversion of lower limb training and upper limb training of the exercise bike.

[0005] Furthermore, the front of the vehicle includes an elliptical shell, inside which the pedal is fixed. The pedal of the pedal is exposed on the outside of the shell, and the outer end of the pedal is provided with a handle for gripping during upper limb training.

[0006] Furthermore, the locking device includes a handle, one end of which is for manual pulling, and the other end of which is rotatably connected to the bottom side of the seat via a locking pivot. A torsion spring is sleeved on the locking pivot, one end of which is fixed to the side of the seat, and the other end is pressed against the top of the handle.

[0007] Furthermore, the slots are arranged linearly on the top of the fixing plate.

[0008] Furthermore, the vehicle body bottom tube and the adjusting sleeve are hinged together by a hinge shaft at the center of the adjusting turntable.

[0009] Furthermore, the adjusting turntable has semi-circular fixing plates on both sides, and the edge of the fixing plate has several fixing holes evenly distributed around its circumference; a core tube is inserted into the adjusting sleeve, one end of which is rotatably connected to the hinge shaft, and the other end of which is inserted into the adjusting sleeve and fixed by a positioning knob. The tube wall of the core tube has several through holes evenly distributed along the axis, and the end of the adjusting sleeve is provided with a positioning knob, which is threaded into the tube wall of the adjusting sleeve and can cooperate with different through holes to realize the adjustment of the distance between the front of the vehicle and the body of the vehicle.

[0010] Furthermore, a first through hole is provided at one end of the core tube near the hinge shaft. The first through hole can be coaxial with the fixing hole. The first through hole is aligned with different fixing holes and fixed by a pin, so that the head of the vehicle can rotate around the hinge shaft, realizing the functional conversion of lower limb training and upper limb training of the exercise bike for the elderly.

[0011] Furthermore, the sleeve is hinged to a first connecting rod via a third hinge axis, the first connecting rod is hinged to a second connecting rod via the first hinge axis, the second connecting rod is hinged to a base via a second hinge axis, and the base is fixed together with the adjusting turntable to provide support for the adjusting sleeve in the upper limb training state.

[0012] The positive effects of this invention are as follows: The front of the vehicle and the body are connected by a hinge shaft via the bottom tube and adjusting sleeve, allowing for flexible rotation around the hinge shaft. This enables the conversion between lower limb cycling training and upper limb drive training, making it easy to operate and suitable for the elderly. A sliding rail at the top of the vehicle connects slidably with the seat, and the combination of the mounting plate's slots and locking mechanism allows for flexible adjustment of the seat at different tilt positions, meeting the different body postures and comfort needs of the elderly. The precise cooperation between the locking mechanism and the slots ensures the seat is securely fixed, preventing loosening or displacement during exercise and improving safety. The pedal provides stable and controllable resistance for upper and lower limb training. The device offers multi-functional training, is easy to operate, and significantly enhances the comprehensiveness and practicality of the elderly exercise bike. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the lower limb training state of a multifunctional fitness vehicle for the elderly according to this utility model; Figure 2 yes Figure 1 The diagram shown is a structural schematic of a multifunctional fitness bike for the elderly, with the length adjusted during lower limb training. Figure 3 yes Figure 1 The diagram shown is a structural schematic of a multifunctional fitness vehicle for the elderly after it is switched from a lower limb training state to an upper limb training state according to this utility model. Figure 4 yes Figure 3 The diagram shown is a second structural schematic of a multifunctional fitness vehicle for the elderly after switching from a lower limb training state to an upper limb training state according to this utility model. Legend: 1—Seat, 2—Slide rail, 3—Locking device, 4—Car body, 5—First support column, 6—Car body bottom tube, 7—Adjusting turntable, 8—Adjusting sleeve, 9—Second support column, 10—Car head, 11—Pedaler, 12—Slot, 13—Handle, 14—Grasp, 15—Core tube, 16—First hinge shaft, 17—Second hinge shaft, 18—Positioning knob, 19—Third hinge shaft. Detailed Implementation

[0014] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments: In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0016] like Figures 1 to 4 The diagram shows the structure of a multifunctional exercise bike for the elderly according to an embodiment of this utility model. It includes a front end and a body, which are hinged together via a body base tube and an adjusting sleeve. A seat is slidably connected to the top of the body via a slide rail. A fixing plate is provided on the side of the slide rail, and a slot is provided on the top of the fixing plate. A locking device is provided at the bottom of the seat, engaging with the slot to fix the seat at different positions on the slide rail. A pedal is provided at the front end to provide resistance for exercise. The front end can rotate around the axis connecting the body base tube and the adjusting sleeve, enabling the exercise bike to switch between lower limb and upper limb training functions.

[0017] In this embodiment of the invention, the front of the vehicle and the body are connected by a hinge shaft via the bottom tube and the adjusting sleeve, allowing for flexible rotation around the hinge shaft. This enables the conversion between lower limb cycling training and upper limb driving training, making it easy to operate and suitable for the elderly. A sliding rail at the top of the vehicle connects slidably with the seat. Combined with the slots and locking mechanism of the fixing plate, this allows for flexible adjustment of the seat at different tilt positions, meeting the different body postures and comfort needs of the elderly. The precise engagement of the locking mechanism and slots ensures the seat is securely fixed, preventing loosening or displacement during exercise and improving safety. The pedal provides stable and controllable resistance for upper and lower limb training. The device offers multi-functional training, is easy to operate, and significantly enhances the comprehensiveness and practicality of the elderly exercise bike.

[0018] Specifically, the present invention provides a structural diagram of a multifunctional exercise bike for the elderly, including a front end 10 and a body 4. The front end 10 and the body 4 are hinged together by a body bottom tube 6 and an adjusting sleeve 8. A seat 11 is slidably connected to the top of the body 4 via a slide rail 2. A fixing plate is provided on the side of the slide rail 2, and a slot 12 is provided on the top of the fixing plate. A locking device 3 is provided at the bottom of the seat. The locking device 3 cooperates with the slot 12 to fix the seat 11 at different positions on the slide rail. The front end 10 is provided with a pedal 11 to provide resistance for exercise. The front end 10 can rotate around the intersection axis of the body bottom tube 6 and the adjusting sleeve 8 to realize the functional conversion of lower limb training and upper limb training of the exercise bike for the elderly.

[0019] The front of the vehicle 10 includes an elliptical housing, inside which the pedal 11 is fixed. The foot pedal of the pedal 11 is exposed on the outside of the housing, and the outer end of the foot pedal is also provided with a handle for gripping during upper limb training.

[0020] The pedaling device 11 is a resistance actuator that generates controllable resistance through mechanical or electromagnetic principles. It provides resistance during training to simulate a real training state. Its specific structure is existing technology and will not be described in detail here. The structural principle used in this case is the same as the damping structure disclosed in Chinese Invention Patent CN202110508812.7. The difference is that the structure of Chinese Invention Patent CN202110508812.7 is scaled down, and the resistance is adjusted to be suitable for foot pedaling and hand cranking to meet the training needs of the elderly.

[0021] The locking device 3 includes a handle 13. One end of the handle 13 is for manual pulling, and the other end of the handle 13 is rotatably connected to the bottom side of the seat via a locking shaft. A torsion spring is fitted on the locking shaft. One end of the torsion spring is fixed to the side of the seat, and the other end presses against the top of the handle. A protrusion is also provided on the side of the handle near the locking shaft. The elastic force of the torsion spring presses the protrusion into a groove, thereby achieving locking. The slots are linearly arranged on the top of the fixing plate.

[0022] The vehicle body base tube 6 and the adjusting sleeve 8 are hinged together by a hinge shaft at the center of the adjusting turntable 7. The adjusting turntable 7 has semi-circular fixing plates on both sides, and several fixing holes are evenly distributed around the edge of the fixing plate. A core tube 15 is inserted into the adjusting sleeve 8. One end of the core tube 15 is rotatably connected to the hinge shaft, and the other end of the core tube 15 is inserted into the adjusting sleeve 8 and fixed by a positioning knob 18. Several through holes are evenly distributed along the axis of the tube wall of the core tube 15. A positioning knob 18 is provided at the end of the adjusting sleeve 8. The positioning knob 18 is threaded into the tube wall of the adjusting sleeve 8 and can cooperate with different through holes to adjust the distance between the vehicle head 10 and the vehicle body 4. A first through hole is provided at the end of the core tube 15 near the hinge shaft. The first through hole can be coaxial with the fixing hole. By aligning the first through hole with different fixing holes and fixing it with a pin, the vehicle head can rotate around the hinge shaft, realizing the functional conversion between lower limb training and upper limb training of the elderly exercise bike.

[0023] The top surface of the end of the adjusting sleeve 8 is fixed with a second support column 9, and the top surface of the end of the vehicle body bottom tube 6 is fixed with a first support shaft 5. The adjusting sleeve 8, the first support shaft 5, the vehicle body bottom tube 6 and the second support column 9 form a U-shaped frame. The vehicle body 4 and the vehicle head 10 are respectively fixed at both ends of the U-shaped frame.

[0024] The seat 1 includes a seat cushion and a backrest. The side of the seat cushion is fixed with a handle 14 for the elderly to hold and also to prevent the elderly from falling. The inclined slide rail 2 and the locking device 3 fix the seat at a certain angle in different positions of the slide rail 2, which can be flexibly adjusted to meet the comfort needs of the elderly with different body types and back conditions.

[0025] When the bike is in the lower limb training position, the user can hold the small handlebars and step on the pedals to perform leg pedaling exercises, training the leg joints and lower limb muscles to achieve leg training and rehabilitation functions. When the user needs to perform upper limb training, the adjustment sleeve at the bottom of the bike can be pulled out to a suitable length and the positioning knob can be used to adjust the position between the adjustment sleeve and the inner tube. Then, the bike can be rotated to a suitable angle with the center of the adjustment dial as the center of rotation, and the angle of the bike can be positioned by the positioning hole on the adjustment dial. Finally, the seat can be adjusted to a comfortable position along the slide rail, and the user can hold the pedals to train the shoulder joints and muscles.

[0026] The foregoing has broadly outlined some aspects and features of the various embodiments and should be interpreted as merely illustrative of potential applications. Other beneficial results can be obtained by applying the disclosed information in different ways or by combining aspects of the disclosed embodiments. Further aspects and a more complete understanding can be obtained based on the detailed description of exemplary embodiments with reference to the accompanying drawings, within the scope defined by the claims.

[0027] The above embodiments provide a detailed description of the present invention. Of course, the above description is not intended to limit the present invention, nor is the present invention limited to the examples described above. Any changes, modifications, additions, reductions, or substitutions made by those skilled in the art within the scope of the present invention are also within the protection scope of the present invention.

Claims

1. A multi-functional geriatric exercise cycle, characterized in that, The multifunctional senior exercise bike includes a front end and a body, which are hinged together by a body base tube and an adjusting sleeve. A seat is slidably connected to the top of the body via a slide rail. A fixing plate is provided on the side of the slide rail, and a slot is provided on the top of the fixing plate. A locking device is provided at the bottom of the seat. The locking device cooperates with the slot to fix the seat in different positions on the slide rail. The front end is equipped with a pedal to provide resistance for exercise. The front end can rotate around the junction axis of the body base tube and the adjusting sleeve, realizing the function conversion of the senior exercise bike for lower limb training and upper limb training.

2. The multifunctional exercise bike for the elderly according to claim 1, characterized in that, The front of the vehicle includes an elliptical shell, inside which the pedal is fixed. The pedal of the pedal is exposed on the outside of the shell, and the outer end of the pedal is also provided with a handle for gripping during upper limb training.

3. The multifunctional exercise bike for the elderly according to claim 2, characterized in that, The locking device includes a handle, one end of which is for manual pulling, and the other end of which is rotatably connected to the bottom side of the seat via a locking pivot. A torsion spring is fitted on the locking pivot, one end of which is fixed to the side of the seat, and the other end is pressed against the top of the handle.

4. The multifunctional exercise bike for the elderly according to claim 3, characterized in that, The slots are arranged linearly on the top of the fixing plate.

5. A multifunctional exercise bike for the elderly according to any one of claims 1 to 4, characterized in that, The vehicle body bottom tube and the adjusting sleeve are hinged together by a hinge shaft at the center of the adjusting turntable.

6. The multifunctional exercise bike for the elderly according to claim 5, characterized in that, The adjusting turntable has semi-circular fixing plates on both sides, and the edge of the fixing plate has several fixing holes evenly distributed around its circumference. A core tube is inserted into the adjusting sleeve. One end of the core tube is rotatably connected to the hinge shaft, and the other end of the core tube is inserted into the adjusting sleeve and fixed by a positioning knob. The tube wall of the core tube has several through holes evenly distributed along the axis. The end of the adjusting sleeve is provided with a positioning knob, which is threaded into the tube wall of the adjusting sleeve and can be matched with different through holes to realize the adjustment of the distance between the front of the vehicle and the body of the vehicle.

7. A multifunctional exercise bike for the elderly according to claim 6, characterized in that, The core tube has a first through hole at one end near the hinge shaft. The first through hole can be coaxial with the fixing hole. The first through hole can be aligned with different fixing holes and fixed with a pin, so that the head of the vehicle can rotate around the hinge shaft, realizing the function conversion of lower limb training and upper limb training of the exercise bike for the elderly.

8. The multifunctional exercise bike for the elderly according to claim 7, characterized in that, The sleeve is hinged to a first connecting rod via a third hinge axis. The first connecting rod is hinged to a second connecting rod via the first hinge axis. The second connecting rod is hinged to a base via a second hinge axis. The base is fixed together with the adjusting turntable, providing support for the adjusting sleeve in the upper limb training state.

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