Sponge damping auxiliary device of rehabilitation bicycle
By designing a sponge pad and hollow foot pedal structure on the rehabilitation bicycle, combined with compression springs and a heating mechanism, the vibration problem caused by the rigid foot pedals of the rehabilitation bicycle is solved, improving the comfort and stability of training, especially for patients with weak muscles or nerve damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-20
AI Technical Summary
The rigid pedals of existing rehabilitation bicycles lack cushioning, and the vibration is directly transmitted to the feet and joints when pedaling, which leads to increased muscle fatigue and affects the effectiveness of rehabilitation training, especially for patients with weak muscles or nerve damage.
Design a foam shock absorption device for a rehabilitation bicycle. By combining a foam pad and a hollow structure in the foot pedal, and utilizing the cooperation of a compression spring and a sealing plate, the device absorbs and cushions the reaction force of the feet. A heating mechanism provides warm airflow to improve comfort and stability.
It effectively reduces foot vibration and impact, lowers the burden on the feet and joints during long-term training, and improves the comfort and safety of rehabilitation training, especially for patients with weak muscles or nerve damage.
Smart Images

Figure CN224008966U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of rehabilitation bicycle, concretely is a sponge shock absorption auxiliary device of rehabilitation bicycle. BACKGROUND
[0002] The rehabilitation bicycle is a kind of equipment specially used to assist patient to carry out lower limb rehabilitation training, is widely used in hospital, rehabilitation center and family rehabilitation training.Its main features include resistance adjustment, intelligent monitoring, auxiliary drive and other functions, aims at helping patient to restore leg strength, improve joint mobility, and promote blood circulation.
[0003] The pedal of existing rehabilitation bicycle generally adopts rigid material, such as metal or hard plastic, simple structure, directly contact with foot, lack effective buffering and absorbing vibration ability in the process of treading.When patient treads pedal, foot bottom will bear greater reaction force, this force is directly transmitted to foot, ankle joint even knee joint, so that stronger impact feeling is generated in the training process.For ordinary people, the influence of short-time vibration is less, but for the patient with weak muscle strength or nerve injury, due to poor muscle control ability, it is difficult to effectively offset the impact of vibration, long-time use can aggravate muscle fatigue, influence the effect of rehabilitation training.Especially for the patient with nerve injury, muscle coordination ability and sensory feedback ability are lower, repeatedly received vibration impact can lead to unstable action in the training process, even difficult to complete the given training target.
[0004] In view of this, we propose a sponge shock absorption auxiliary device of rehabilitation bicycle. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of sponge shock absorption auxiliary device of rehabilitation bicycle, the sponge shock absorption auxiliary device of this kind of rehabilitation bicycle, solve the problem that the rigid pedal of existing rehabilitation bicycle lacks buffering, vibration is directly transmitted to foot and joint when treading, lead to muscle fatigue aggravation, influence rehabilitation training effect.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] The utility model provides a kind of sponge shock-absorbing auxiliary device of rehabilitation bicycle, including body and connecting rod, connecting rod is provided on the body, connecting rod is provided with pedal mechanism, the body is used to support the structure of entire rehabilitation bicycle, connecting rod is used to connect body and pedal mechanism, the pedal mechanism includes: connecting block, the connecting block is rotatably connected in the outer wall of connecting rod;Pedal board, the top of the pedal board is provided with elastic band, the elastic band is used to fix foot, the top of the pedal board is fixedly connected with sponge pad, the inner wall of the connecting block is provided with compression spring, one end of the compression spring is fixedly connected on the inner wall of connecting block, the other end of the compression spring is fixedly connected with sealing plate, the outer wall of the sealing plate is piston-connected with the inner wall of connecting block, the outer wall of the sealing plate is fixedly connected with transmission column, the top of the transmission column is fixedly connected with the pedal board, the inner wall of the pedal board is hollow;The inner wall of the connecting block is provided with heating mechanism.
[0008] Preferably, the inner wall of the connecting block is fixedly connected with one-way valve, the one-way valve is provided with four, two two-way symmetrical one-way valves are provided, the inner wall of the connecting block is fixedly connected with connecting pipe, the top of the connecting pipe is fixedly connected with the inner wall of the pedal board, and the top of the pedal board is provided with exhaust hole.
[0009] Preferably, the inner wall of the elastic band is hollow, so as to reduce the weight of the elastic band.
[0010] Preferably, the bottom of the connecting pipe is connected with the right two one-way valves, and the top of the connecting pipe is communicated with the hollow inner wall of the pedal board.
[0011] Preferably, the outer wall of the one-way valve is provided with arrow, and the arrow on the one-way valve is used to mark the flow direction of air.
[0012] Preferably, the compression spring is provided with four, and the four compression springs are symmetrically arranged on the upper and lower sides of the sealing plate.
[0013] Preferably, the heating mechanism comprises heating element, the heating element is arranged on the inner wall of the connecting block, the heating element is provided with induction control element, the induction control element comprises temperature sensor and control single-chip microcomputer, and the heating element is connected with battery.
[0014] By the above technical scheme, the utility model provides a kind of sponge shock-absorbing auxiliary device of rehabilitation bicycle. At least have the following beneficial effects:
[0015] 1. The utility model discloses a footrest mechanism is set up, through the cooperation of sponge pad and hollow structure of footboard, effectively alleviate the vibration and impact that foot department received in the treading process, avoid the burden of foot and joint of long -time training, and the soft contact surface can be provided to the sponge pad, and the discomfort of foot department is relieved, and the hollow design of footboard further plays the buffering effect, absorbs the reaction force from foot department, reduces the influence of vibration to foot department, and the footboard is driven compression spring energy storage and release through sealing plate and transmission column, forms the elastic feedback, further alleviates the vibration and impact of foot department, so that the user can more comfortably, more stably carry out the rehabilitation training.
[0016] 2. The utility model discloses a footrest mechanism is set up, through the continuous output of air of exhaust hole, provides soft airflow, so that the foot department gets the gentle air blowing when treading, avoids the stuffy feeling of foot department, improves the comfort of patient when using the rehabilitation treadmill.
[0017] 3. The utility model discloses a heating mechanism is set up, and the heating mechanism heats the incoming air through heating piece. The heating piece is set up on the inner wall of connecting block, can heat the air that enters through connecting block, ensures that the air that exports through exhaust hole keeps warm under the cold environment, improves the comfort in the rehabilitation process, helps the patient to train and recover better. DRAWINGS
[0018] The drawings explained here are used to provide further understanding of the utility model, and constitute a part of this application:
[0019] Figure 1 It is the whole structure schematic diagram of the utility model;
[0020] Figure 2 It is the structure schematic diagram of connecting rod in the utility model;
[0021] Figure 3 It is the cross section structure schematic diagram of connecting block in the utility model;
[0022] Figure 4 It is the structure schematic diagram of check valve in the utility model;
[0023] Figure 5 It is the structure schematic diagram of the utility model Figure 4 in the enlarged structure schematic diagram of A place;
[0024] Figure 6 It is the enlarged structure schematic diagram of B place in the utility model Figure 4 ;
[0025] Figure 7 It is the structure schematic diagram of heating mechanism in the utility model.
[0026] In the figure: 1, body; 2, connecting rod; 3, foot pedal mechanism; 31, connecting block; 32, foot pedal; 33, elastic belt; 34, sponge pad; 35, compression spring; 36, sealing plate; 37, transmission column; 38, one-way valve; 39, connecting pipe; 310, exhaust hole; 4, heating mechanism; 41, heating element; 42, induction control element; 43, battery. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0028] Please refer to Figure 1 - Figure 7The utility model provides a technical scheme: a kind of sponge shock-absorbing auxiliary device of rehabilitation bicycle, including body 1 and connecting rod 2, connecting rod 2 is provided on body 1, connecting rod 2 is provided with footrest mechanism 3, body 1 is used to support the structure of entire rehabilitation bicycle, provides stable installation foundation, and carries the installation and use of each functional component, connecting rod 2 is used to connect body 1 with footrest mechanism 3, ensure that footrest mechanism 3 can be stably connected with body 1, and provide necessary support and power transmission in the process of treading, footrest mechanism 3 includes: connecting block 31, connecting block 31 is rotatably connected in the outer wall of connecting rod 2;Pedal 32, the top of pedal 32 is provided with elastic band 33, and elastic band 33 is used to fix foot, and the top of pedal 32 is fixedly connected with sponge pad 34, buffer impact force generated when patient treads, reduce the direct effect of vibration on foot, reduce the foot fatigue feeling brought by long time training, and adapt to the foot morphology of different patients, improve the experience of rehabilitation training, the inner wall of connecting block 31 is provided with compression spring 35, one end of compression spring 35 is fixedly connected on the inner wall of connecting block 31, the other end of compression spring 35 is fixedly connected with sealing plate 36, when foot treads or moves upward pedal 32, pedal 32 drives compression spring 35 to store energy, in this way, spring reduces the burden of foot and joint in long time training process by buffering vibration and reducing foot impact, improve the comfort and stability of rehabilitation training, the outer wall of sealing plate 36 is piston-connected with the inner wall of connecting block 31, the outer wall of sealing plate 36 is fixedly connected with transmission column 37, the top of transmission column 37 is fixedly connected with pedal 32, the inner wall of pedal 32 is hollow, and the hollow pedal 32 itself is a kind of buffering structure, can absorb part of impact force by its own deformation when treading, reduce the direct transmission of vibration, thereby reduce the burden of foot and joint, improve the comfort and safety of rehabilitation training;Heating mechanism 4 is provided on the inner wall of connecting block 31.
[0029] The inner wall of the connecting block 31 is fixedly connected with four one-way valves 38, the four one-way valves 38 are symmetrically arranged in pairs, the inner wall of the connecting block 31 is fixedly connected with a connecting pipe 39, the top of the connecting pipe 39 is fixedly connected with the inner wall of the foot pedal 32, the top of the foot pedal 32 is provided with an exhaust hole 310, the inner wall of the elastic belt 33 is hollow, which is used for reducing the weight of the elastic belt 33 and reducing the compression feeling on the feet, the bottom of the connecting pipe 39 is connected with the right two one-way valves 38, the top of the connecting pipe 39 is communicated with the hollow inner wall of the foot pedal 32, when the sealing plate 36 moves upward, the sealing plate 36 extrudes the top part of the hollow inner wall of the connecting block 31, so that the air in the top part of the hollow inner wall of the connecting block 31 can only be output through the right top one-way valve 38, and the bottom part of the hollow inner wall of the connecting block 31 forms a negative pressure, so that the air outside is input through the left bottom one-way valve 38, and then input to the inner wall of the foot pedal 32 through the connecting pipe 39, and then output to the feet through the exhaust hole 310, the sponge pad 34 on the top of the foot pedal 32 is a porous structure, so it will not affect the output of the air, when the sealing plate 36 moves downward, the sealing plate 36 extrudes the bottom part of the hollow inner wall of the connecting block 31, so that the hollow inner wall of the bottom part of the hollow inner wall of the connecting block 31 can only be output through the right bottom one-way valve 38 to the connecting pipe 39, and the top part of the hollow inner wall of the connecting block 31 inputs the air outside through the left top one-way valve 38, and the air in the connecting pipe 39 is output in a reciprocating manner, the outer wall of the one-way valve 38 is provided with an arrow, the arrow on the one-way valve 38 is used for marking the flow direction of the air, which is convenient for installation, and the four compression springs 35 are symmetrically arranged on the upper and lower sides of the sealing plate 36.
[0030] The heating mechanism 4 comprises a heating piece 41 arranged on the inner wall of the connecting block 31, and the heating piece 41 is provided with an induction control piece 42 comprising a temperature sensor and a control single-chip microcomputer, and the heating piece 41 is connected with a battery 43, and the heating mechanism 4 heats the entering air through the heating piece 41. The heating piece 41 is arranged on the inner wall of the connecting block 31, and can heat the air entering through the connecting block 31, so that the air output through the exhaust hole 310 can keep warm in a cold environment. The induction control piece 42 comprises a temperature sensor and a control single-chip microcomputer, which can monitor the temperature around the heating piece 41 in real time, and adjust the heating power of the heating piece 41 according to the temperature change, so as to ensure the stability of the heating effect and keep the set temperature. The battery 43 provides the required power for the heating piece 41, ensures the independent operation of the heating function, and does not need external power supply, so as to improve the flexibility and convenience of use.
[0031] The sponge damping auxiliary device of the rehabilitation treadmill is used, the hollow structure of the sponge pad 34 and the foot pedal 32 is matched, the vibration and impact suffered by the foot during the pedaling process are effectively reduced, and the burden of the foot and the joint caused by long-time training is avoided. The sponge pad 34 can provide a soft contact surface and relieve the discomfort of the foot. The hollow design of the foot pedal 32 further plays a buffering role, absorbs the reaction force from the foot, and reduces the influence of vibration on the foot. In addition, the foot pedal 32 drives the compression spring 35 to store energy and release through the sealing plate 36 and the transmission column 37, forms elastic feedback, further reduces the vibration and impact of the foot, and enables the user to more comfortably and stably perform rehabilitation training. Overall, the combination of damping and buffering functions not only improves the comfort of training, but also helps to reduce potential damage to muscles and joints caused by vibration.
[0032] When the foot pedal 32 moves downward, the foot pedal 32 drives the sealing plate 36 to move downward through the transmission column 37, when the foot pedal 32 moves upward, the foot pedal 32 drives the sealing plate 36 to move upward through the transmission column 37, when the sealing plate 36 moves upward, the sealing plate 36 extrudes the hollow inner wall top part of the connecting block 31, so that the hollow inner wall top part of the connecting block 31 can only output air through the right top one-way valve 38, and the hollow inner wall bottom part of the connecting block 31 forms a negative pressure, so that the outside air is input through the left bottom one-way valve 38, and then input to the inner wall of the foot pedal 32 through the connecting pipe 39, and then output to the foot through the exhaust hole 310. The sponge pad 34 on the top of the foot pedal 32 is a porous structure, so it does not affect the output of air, when the sealing plate 36 moves downward, the sealing plate 36 extrudes the hollow inner wall bottom part of the connecting block 31, the hollow inner wall of the hollow inner wall bottom part of the connecting block 31 can only output air to the connecting pipe 39 through the right bottom one-way valve 38, and the hollow inner wall top part of the connecting block 31 inputs outside air through the left top one-way valve 38, and the connecting pipe 39 outputs air in a reciprocating cycle, and then continuously outputs air through the exhaust hole 310, providing soft airflow, so that the foot is gently blown when pedaling, avoiding the feeling of suffocation of the foot, and improving the comfort of the patient when using the rehabilitation treadmill.
[0033] The heating mechanism 4 heats the entering air through the heating piece 41. The heating piece 41 is arranged on the inner wall of the connecting block 31, can heat the air entering through the connecting block 31, ensures that the air output through the exhaust hole 310 is warm in cold environment, improves the comfort during rehabilitation, and helps the patient to better train and recover.
[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A sponge shock-absorbing auxiliary device for a rehabilitation bicycle, comprising a body (1) and a connecting rod (2), characterized in that: A connecting rod (2) is provided on the body (1), and a foot pedal mechanism (3) is provided on the connecting rod (2). The body (1) is used to support the structure of the entire rehabilitation bicycle. The connecting rod (2) is used to connect the body (1) and the foot pedal mechanism (3). The foot pedal mechanism (3) includes: A connecting block (31) is rotatably connected to the outer wall of the connecting rod (2); Foot pedal (32), the top of the foot pedal (32) is provided with an elastic band (33) for fixing the foot, the top of the foot pedal (32) is fixedly connected with a sponge pad (34), the inner wall of the connecting block (31) is provided with a compression spring (35), one end of the compression spring (35) is fixedly connected to the inner wall of the connecting block (31), the other end of the compression spring (35) is fixedly connected to a sealing plate (36), the outer wall of the sealing plate (36) is piston-connected to the inner wall of the connecting block (31), the outer wall of the sealing plate (36) is fixedly connected to a transmission column (37), the top of the transmission column (37) is fixedly connected to the foot pedal (32), the inner wall of the foot pedal (32) is hollow; A heating mechanism (4) is provided on the inner wall of the connecting block (31).
2. The sponge shock absorption auxiliary device for a rehabilitation bicycle according to claim 1, characterized in that: One-way valves (38) are fixedly connected to the inner wall of the connecting block (31). There are four one-way valves (38), which are arranged symmetrically in pairs. A connecting pipe (39) is fixedly connected to the inner wall of the connecting block (31). The top of the connecting pipe (39) is fixedly connected to the inner wall of the foot pedal (32). An exhaust hole (310) is opened on the top of the foot pedal (32).
3. The sponge shock absorption auxiliary device for a rehabilitation bicycle according to claim 2, characterized in that: The inner wall of the elastic band (33) is hollow, which is used to reduce the weight of the elastic band (33).
4. The sponge shock absorption auxiliary device for a rehabilitation bicycle according to claim 2, characterized in that: The bottom of the connecting pipe (39) is connected to the two one-way valves (38) on the right side, and the top of the connecting pipe (39) is connected to the hollow inner wall of the foot pedal (32).
5. The sponge shock absorption auxiliary device for a rehabilitation bicycle according to claim 2, characterized in that: The outer wall of the one-way valve (38) is provided with an arrow, which is used to indicate the direction of air flow.
6. The sponge shock absorption auxiliary device for a rehabilitation bicycle according to claim 2, characterized in that: Four compression springs (35) are provided, and the four compression springs (35) are symmetrically arranged in pairs on the upper and lower sides of the sealing plate (36).
7. The sponge shock absorption auxiliary device for a rehabilitation bicycle according to claim 2, characterized in that: The heating mechanism (4) includes a heating element (41), which is disposed on the inner wall of the connecting block (31). A sensing control element (42) is disposed on the heating element (41), which includes a temperature sensor and a control microcontroller. A battery (43) is connected to the heating element (41).