Backrest type exercise bicycle
By designing a backrest-type fitness bike including bottom plate, L-shaped bench, rotor, horizontal shaft, pedal and elastic components, the problem of traditional fitness bikes lacking back support is solved, providing good support and elastic feedback, reducing the need for better support and elastic feedback The risk of injury is suitable for middle-aged and elderly people and people in recovery.
Patent Information
- Application Number
- CN202420741534.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-11
AI Technical Summary
Traditional exercise bikes lack sufficient back support, and prolonged use may cause back fatigue or discomfort for users.
A backrest-type exercise bike is designed, including a base plate, an L-shaped bench, a rotor, a horizontal shaft, a pedal and elastic components, which provide back support and elastic feedback through the synergy of these components.
The design provides good back support, reducing the risk of injury during riding, especially protection for the lower back, and is suitable for middle-aged and elderly people or people with rehabilitation periods with inconvenience in uprightness.
Smart Images

Figure CN222427092U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fitness bikes, in particular to a backrest type fitness bike. Background Art
[0002] In recent years, the design of fitness equipment has increasingly focused on user comfort and safety. As a popular home and commercial fitness equipment, recumbent exercise bikes are designed to provide a more stable and supportive exercise experience. Traditional exercise bikes usually lack adequate back support, which may cause back fatigue or discomfort to the user after long-term use, so a recumbent exercise bike is designed to provide back support for the user. Utility Model Content
[0003] The utility model provides a backrest type fitness bike, which can provide back support for patients and assist patients in exercising their lower limbs.
[0004] A recumbent fitness bike, comprising a bottom plate, characterized in that: the upper side of the bottom plate is fixedly connected to a fixing plate, both sides of the fixing plate are respectively connected to the central axis of a rotating wheel by bearings, and the other side eccentricity of each rotating wheel is respectively fixedly connected to one end of a horizontal axis;
[0005] Each of the transverse axes is rotatably connected to the center of the pedals;
[0006] An L-shaped bench is fixed to one end of the upper side of the bottom plate.
[0007] As a further limitation of the present technical solution, one end of the fixed plate is fixedly connected to one end of the horizontal rod of the L-shaped rod, the end of the vertical rod of the L-shaped rod is fixedly connected to the bottom plate, the end of the L-shaped rod facing away from the L-shaped bench is fixedly connected to the center of the fixed rod, the two ends of the fixed rod are respectively fixedly connected to square limit rods, the square limit rods pass through the center of the sliding block, and the center of the sliding block is provided with a square hole matching the square limit rod, each of the arc-shaped wall surfaces of the sliding block is respectively fixedly connected to a fixed shaft, each of the fixed shafts is respectively rotatably connected to one end of a connecting rod, and the other end of each connecting rod is respectively rotatably connected to the horizontal shaft.
[0008] As a further limitation of the technical solution, a rubber layer is provided on one side of the vertical plate of the L-shaped bench corresponding to the footrest.
[0009] As a further limitation of the present technical solution, the sliding block is connected to the fixing rod via an elastic component.
[0010] As a further limitation of the present technical solution, the elastic component is a spring, the sliding block is fixedly connected to one end of the spring, the spring ring is sleeved around the square limiting rod, and the other end of the spring is fixedly connected to the fixing rod.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are:
[0012] Through leg exercises, exercise bikes can help improve cardiopulmonary function and enhance the health of the cardiovascular system;
[0013] Using an exercise bike can exercise the quadriceps, hamstrings, gluteus maximus and calf muscles, helping to increase muscle strength;
[0014] Recumbent exercise bikes provide good support, which can reduce the risk of injury while riding, especially the protection of the lower back. They are suitable for middle-aged and elderly people or people in the recovery period who have difficulty standing upright, and can provide support for the user's back and waist. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:
[0016] Figure 1 The three-dimensional Figure 1 ;
[0017] Figure 2 The three-dimensional Figure 2 ;
[0018] Figure 3 It is a partial stereogram of the utility model;
[0019] Figure 4 The three-dimensional Figure 3 .
[0020] In the figure: 1, rotating wheel, 2, fixing plate, 3, fixing rod, 4, spring, 5, sliding block, 6, square limit rod, 7, bottom plate, 8, horizontal axis, 9, pedal, 10, L-shaped bench, 11, connecting rod, 12, fixing axis, 13, L-shaped rod, 14, square hole. DETAILED DESCRIPTION
[0021] In order to clearly illustrate the technical features of the present solution, the present invention is described in detail below through specific implementation methods and in combination with the accompanying drawings. In the description of the present invention, it should be noted that the terms "left", "right", "front", "back", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0022] The following is combined with Figure 1-Figure 4 The utility model is further described with implementation modes.
[0023] The specific embodiments of the present utility model are:
[0024] A recumbent fitness bike, comprising a bottom plate 7, the upper side of the bottom plate 7 is fixedly connected to a fixing plate 2, both sides of the fixing plate 2 are respectively connected to the central axis of a rotating wheel 1 by bearings, and the other side of each rotating wheel 1 is respectively fixedly connected to one end of a horizontal axis 8 at an eccentric position;
[0025] Each of the transverse shafts 8 is respectively rotatably connected to the center of a pedal 9, allowing the user to perform pedaling exercises;
[0026] An L-shaped stool 10 is fixed to one end of the upper side of the bottom plate 7 to provide sitting support.
[0027] One end of the fixed plate 2 is fixedly connected to one end of the horizontal rod of the L-shaped rod 13, the vertical rod end of the L-shaped rod 13 is fixedly connected to the bottom plate 7, the end of the L-shaped rod 13 away from the L-shaped stool 10 is fixedly connected to the center of the fixed rod 3, the two ends of the fixed rod 3 are respectively fixedly connected to the square limit rod 6, the square limit rod 6 passes through the center of the sliding block 5, and the center of the sliding block 5 is provided with a square hole 14 matching the square limit rod 6, each of the arc-shaped wall surfaces of the sliding block 5 is respectively fixedly connected to the fixed shaft 12, each of the fixed shafts 12 is respectively rotationally connected to one end of the connecting rod 11, and the other end of each of the connecting rods 11 is respectively rotationally connected to the horizontal shaft 8.
[0028] The sliding block 5 is connected to the fixing rod 3 via an elastic component.
[0029] The elastic component is a spring 4, the sliding block 5 is fixedly connected to one end of the spring 4, the spring 4 is looped around the square limiting rod 6, and the other end of the spring 4 is fixedly connected to the fixed rod 3. The spring 4 can provide a certain elastic feedback to increase the exercise effect.
[0030] The method of using the utility model is as follows:
[0031] When in use, the patient sits on the L-shaped stool 10 with his back against the vertical board of the L-shaped stool 10 and his feet placed on the pedals 9 to perform bicycle-like exercises. The pedals 9 drive the horizontal axis 8 to rotate, the horizontal axis 8 drives the rotating wheel 1 to rotate, the horizontal axis 8 drives the connecting rod 11 to move in a circle, the connecting rod 11 drives the sliding block 5 to reciprocate along the square limit rod 6, the spring 4 continues to undergo elastic deformation, the spring 4 provides elastic feedback, increases the exercise effect, and realizes the movement of the patient's lower limbs.
[0032] Embodiment 2: Based on the recumbent exercise bike provided in the first embodiment of the present application, the second embodiment of the present application provides another recumbent exercise bike. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.
[0033] Specifically, the second embodiment of the present application provides a recumbent fitness vehicle that is different in that it also includes the following features: a rubber layer is provided on one side of the upright plate of the L-shaped seat 10 corresponding to the footrest 9 .
[0034] The rubber layer provides soft support and protects the back.
[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A recumbent exercise bike, comprising a bottom plate (7), characterized in that: The upper side of the bottom plate (7) is fixedly connected to the fixed plate (2), the two sides of the fixed plate (2) are respectively connected to the central axis of the rotating wheel (1) by bearings, and the other side of each rotating wheel (1) is respectively fixedly connected to one end of the horizontal axis (8) at an eccentric position; Each of the transverse axes (8) is rotatably connected to the center of the pedals (9); An L-shaped stool (10) is fixed to one end of the upper side of the base plate (7); one end of the fixed plate (2) is fixedly connected to one end of the horizontal rod of the L-shaped rod (13); the vertical rod end of the L-shaped rod (13) is fixedly connected to the base plate (7); one end of the L-shaped rod (13) away from the L-shaped stool (10) is fixedly connected to the center of the fixed rod (3); both ends of the fixed rod (3) are respectively fixedly connected to square limit rods (6); the square limit rod (6) passes through the center of the sliding block (5); the center of the sliding block (5) is provided with a square hole (14) matching the square limit rod (6); the arc-shaped wall surface of each sliding block (5) is respectively fixedly connected to a fixed shaft (12); each fixed shaft (12) is respectively rotatably connected to one end of a connecting rod (11); the other end of each connecting rod (11) is respectively rotatably connected to the horizontal shaft (8).
2. The recumbent exercise bike according to claim 1, characterized in that: A rubber layer is provided on one side of the upright plate of the L-shaped bench (10) corresponding to the footrest (9).
3. The recumbent exercise bike according to claim 2, characterized in that: The sliding block (5) is connected to the fixing rod (3) via an elastic component.
4. The recumbent fitness vehicle according to claim 3, characterized in that: The elastic component is a spring (4), the sliding block (5) is fixedly connected to one end of the spring (4), the spring (4) is sleeved around the square limiting rod (6), and the other end of the spring (4) is fixedly connected to the fixing rod (3).