Running machine

Abstract

The utility model provides a treadmill which comprises a handrail device and a treadmill platform device, the treadmill platform device comprises a treadmill platform bottom frame, a floating support and a treadmill platform main body, the treadmill platform main body comprises a ground contact part and a floating part, and the treadmill platform bottom frame and the ground contact part are arranged on the bottom face and matched with each other to support the treadmill platform main body; the treadmill bottom frame supports the floating support through the first damping unit, and the floating portion suspends the floating support through the second damping unit. The treadmill bottom frame and the floating part are connected through the first damping unit and the second damping unit, so that the treadmill can respond more flexibly when being stressed, impact force is effectively absorbed and dispersed through matched use of the two damping units, and the impact force on knee joints and bones of a user during running is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to treadmill technical field, especially, it relates to a treadmill. BACKGROUND

[0002] With the improvement of health consciousness, more and people choose running as a fitness way. However, outdoor running is limited by weather, environment and other factors, and indoor treadmill becomes an alternative choice. In the running process of the traditional treadmill, due to the lack of effective damping system, the user's knee joint and skeleton may be impacted greatly, which may cause sports injury in the long run. In addition, the impact force of the traditional treadmill on the floor is large when running, which may cause damage to the floor. Therefore, there is an urgent need for a new treadmill in the market which can effectively absorb the impact force, reduce sports injury and protect the floor. SUMMARY

[0003] In view of the defects of the prior art, the utility model aims at providing a treadmill to meet the needs of users.

[0004] To achieve the above object, the utility model provides a treadmill, including handrail device and running track device, the running track device includes running track chassis, floating support and running track main body, the running track main body includes ground contact part and floating part, the running track chassis is placed with the ground contact part on the bottom surface and cooperates to support the running track main body, the running track chassis supports the floating support through first damping unit, and the floating part suspends the floating support through second damping unit.

[0005] As preferred, the running track chassis includes two parallel arranged chassis longitudinal beams, and the floating support includes two parallel arranged first floating longitudinal beams, and each first floating longitudinal beam is correspondingly arranged on the inner side of the chassis longitudinal beam.

[0006] The first damping unit includes first swing arm and first damping spring, the first swing arm is pivoted to the inner side of the chassis longitudinal beam, one end of the first swing arm is pivoted to the first floating longitudinal beam, the other end of the first swing arm is connected to the first damping spring, and the first damping spring is arranged along the length direction of the chassis longitudinal beam.

[0007] When the floating support is pressed down, the first damping spring is driven to contract and bear pressure through the first swing arm, the first damping spring is used to absorb and disperse impact force, has the function of transverse dispersion force, disperses the impact force generated by the running track of the treadmill on the knee joint of the human body in the process of sinking and rebounding of the running track each time, reduces the damage to the joints and skeleton of the user, provides more comfortable running experience, compared with vertical spring damping, and the instantaneous impact force on the floor can also be avoided.

[0008] As preferred: the first damping spring is made of carbon steel or alloy steel.

[0009] As preferred: the first damping unit further comprises a first damper, the first damper being a gas pressure rod or a hydraulic rod, the first damper comprising a first telescopic end and a first fixed end, the first damping spring being sleeved on the first damper, axial two ends of the first damping spring being respectively fixedly connected with the first telescopic end and the first fixed end, the other end of the first swing arm being pivoted with the first telescopic end.

[0010] When the floating support is pressed down, the first telescopic end is driven by the first swing arm to approach the first fixed end to bear pressure, and the first telescopic end simultaneously drives the first damping spring to contract to bear pressure.

[0011] As preferred: the longitudinal beam of the chassis is formed with a first longitudinal groove suitable for accommodating the first damper and the first damping spring.

[0012] As preferred: the treadmill chassis facing the bottom surface is provided with a plurality of first damping bodies, and the treadmill chassis facing the treadmill main body is provided with a plurality of second damping bodies, the first damping bodies at least comprising at least one of a silica gel column, a rubber column and a shock absorbing bag, and the second damping bodies at least comprising at least one of a silica gel column, a rubber column and a shock absorbing bag.

[0013] As preferred: the silica gel column or the rubber column is arranged in the center of the shock absorbing bag, air is arranged in the shock absorbing bag, the air in the shock absorbing bag is extruded and released when bearing pressure to achieve the effect of rapid shock absorption, the silica gel column or the rubber column can absorb part of the energy by deformation on one hand, and can improve the pressure bearing capacity and provide power recovery on the other hand.

[0014] As preferred: the second damping unit comprises a second swing arm and a second damper, the second damper being a gas pressure rod or a hydraulic rod, the second damper being arranged perpendicular to the plane where the floating support is located, the second damper comprising a second telescopic end and a second fixed end, one end of the first swing arm being pivoted to the floating part, the other end of the second swing arm being pivoted to the second telescopic end, and the second fixed end being pivoted to the floating support.

[0015] When the floating part is pressed down, the second telescopic end is driven by the second swing arm to approach the second fixed end to bear pressure, the second damper being suitable for transmitting load to the floating support, and the floating support being further transmitted to the treadmill chassis by the first damping unit.

[0016] As preferred: the treadmill main body comprises a main body support and a running board, a running belt and a driving device adapted to drive the running belt to circulate, which are arranged on the main body support, the main body support comprises two parallel arranged main body longitudinal beams and parallel arranged first main body cross beams and second main body cross beams, the main body longitudinal beam comprises a first main body longitudinal beam end and a second main body longitudinal beam end, the first main body cross beam is adapted to connect the two first main body longitudinal beam ends and constitutes the floating part, the second main body cross beam is adapted to connect the two second main body longitudinal beam ends and constitutes the ground contact part, and one end of the second swing arm is pivoted to the first main body cross beam.

[0017] As preferred: the floating support comprises two parallel arranged first floating cross beams and two parallel arranged second floating longitudinal beams, the first floating cross beam is adapted to connect the two first floating longitudinal beams, the two second floating longitudinal beams are adapted to connect the two first floating cross beams, and the two second floating longitudinal beams are arranged in the middle region of the first floating cross beam, and the second fixed end is pivoted to the two second floating longitudinal beams.

[0018] As preferred: the treadmill chassis comprises parallel arranged first chassis cross beams and second chassis cross beams, the chassis longitudinal beam comprises a first chassis longitudinal beam end and a second chassis longitudinal beam end, the first chassis cross beam is adapted to connect the two first chassis longitudinal beam ends, and the two first floating longitudinal beam ends are connected into a whole through the second chassis cross beam, wherein: the chassis longitudinal beam is provided with the first damping body facing the bottom surface, and the first chassis cross beam is provided with the second damping body facing the main body longitudinal beam, so that the damping points are increased, and the structural stability of the treadmill is enhanced.

[0019] As preferred: the first chassis longitudinal beam end is connected with a first ground contact wheel, the first floating longitudinal beam end is connected with a second ground contact wheel, and the first ground contact wheel and / or the second ground contact wheel are made of polyurethane (PU), and the first ground contact wheel functions to assist movement, and it can be understood that the first ground contact wheel does not touch the ground when the treadmill works.

[0020] As preferred: the main body support comprises a third main body cross beam, the third main body cross beam is adapted to connect the middle parts of the two main body longitudinal beams, and a hydraulic push rod is arranged between the third main body cross beam and the first chassis cross beam, the hydraulic push rod is adapted to adjust the slope of the treadmill main body, more diverse movement modes are provided for users, and the interest and challenge of movement are increased.

[0021] The treadmill has the advantages that:

[0022] The floating support connects the treadmill chassis and the floating part through the first damping unit and the second damping unit, so that the treadmill can more flexibly respond when stressed, so that the running process is more comfortable, and the user's exercise experience is enhanced, and the effective absorption and dispersion of impact force are realized by the cooperation of the double damping units, the impact force on the user's knee joint and skeleton is reduced when running, and the risk of sports injury is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A structure schematic view of a treadmill is provided for the utility model.

[0024] Figure 2 A bottom surface schematic view of a treadmill device is provided for the utility model.

[0025] Figure 3 A structure schematic view of a treadmill chassis is provided for the utility model.

[0026] Figure 4 A structure schematic view of a floating support is provided for the utility model.

[0027] Figure 5 A structure schematic view of a main support is provided for the utility model.

[0028] In the drawing: chassis longitudinal beam 11, first chassis cross beam 12, second chassis cross beam 13, first ground wheel 14, first chassis longitudinal beam end 111, second chassis longitudinal beam end 112, first longitudinal groove 113, first floating longitudinal beam 21, first floating cross beam 22, second floating longitudinal beam 23, first floating longitudinal beam end 211, second floating longitudinal beam end 212, main support 31, hydraulic push rod 32, running belt 33, driving device 34, second ground wheel 35, main longitudinal beam 311, first main cross beam 312, second main cross beam 313, third main cross beam 314, fourth main cross beam 315, first main longitudinal beam end 316, second main longitudinal beam end 317, first swing arm 41, first damping spring 42, first damper 43, second swing arm 44, second damper 45, second telescopic end 451, second fixed end 452, first damping body 46, second damping body 47, extension arm 48. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model is described in detail below by combining with the drawings and specific embodiments.

[0030] It should be noted that, in order to avoid obscuring the present application with unnecessary details, only the structures and / or processing steps closely related to the present application are shown in the drawings, and other details not closely related to the present application are omitted.

[0031] It should also be noted that the terms "comprising", "containing", or any other similar term are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not necessarily include only those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] As Figures 1-5 The running machine comprises a handrail device and a running deck device, and the running deck device comprises a running deck chassis, a floating support and a running deck body, the running deck body comprises a ground-touching part and a floating part, the running deck chassis is placed on the bottom surface and cooperatively supports the running deck body with the ground-touching part; the running deck chassis supports the floating support through a first damping unit, and the floating part suspends the floating support through a second damping unit.

[0033] In the embodiment, the running deck chassis comprises two parallelly arranged chassis longitudinal beams 11. The floating support comprises two parallelly arranged first floating longitudinal beams 21, two parallelly arranged first floating transverse beams 22 and two parallelly arranged second floating longitudinal beams 23, each first floating longitudinal beam 21 is correspondingly arranged on the inner side of the chassis longitudinal beam 11, the first floating transverse beam 22 is adapted to connect the two first floating longitudinal beams 21, the two second floating longitudinal beams 23 are adapted to connect the two first floating transverse beams 22, and the two second floating longitudinal beams 23 are arranged in the middle region of the first floating transverse beam 22. The running deck body comprises a body support 31 and a running deck arranged on the body support 31, a running belt 33 and a driving device 34 adapted to drive the running belt 33 to move in a cycle, the body support 31 comprises two parallelly arranged body longitudinal beams 311 and parallelly arranged first body transverse beams 312 and second body transverse beams 313, the body longitudinal beam 311 comprises a first body longitudinal beam end 316 and a second body longitudinal beam end 317, the first body transverse beam 312 is adapted to connect the two first body longitudinal beam ends 316 and constitutes the floating part, and the second body transverse beam 313 is adapted to connect the two second body longitudinal beam ends 317 and constitutes the ground-touching part.

[0034] In the embodiment, the first damping unit comprises a first swing arm 41, a first damping spring 42 and a first damper 43 which is a gas pressure rod. The gas pressure rod is light in weight and fast in response. The first swing arm 41 is pivotally connected to the inner side of the chassis longitudinal beam 11. The first damper 43 comprises a first telescopic end and a first fixed end. The first damping spring 42 is sleeved on the first damper 43. The axial two ends of the first damping spring 42 are respectively fixedly connected with the first telescopic end and the first fixed end. One end of the first swing arm 41 is pivotally connected to the first floating longitudinal beam 21. The other end of the first swing arm 41 is pivotally connected with the first telescopic end. The first damping spring 42 is arranged along the length direction of the chassis longitudinal beam 11. The second damping unit comprises a second swing arm 44 and a second damper 45 which is a hydraulic rod. The hydraulic rod is stable in work, high in reliability and long in service life. The second damper 45 is arranged perpendicularly to the plane where the floating support is located. The second damper 45 comprises a second telescopic end 451 and a second fixed end 452. One end of the second swing arm 44 is pivotally connected to the first main body cross beam 312. The other end of the second swing arm 44 is pivotally connected to the second telescopic end 451. The second fixed end 452 is pivotally connected to the two second floating longitudinal beams 23.

[0035] During running, when the floating part is pressed to be depressed, the second telescopic end 451 is driven by the second swing arm 44 to approach the second fixed end 452 to bear pressure and to damp once. At the same time, the second damper 45 is adapted to transmit load to the floating support. When the floating support is depressed, the first damping spring 42 is driven by the first swing arm 41 to contract to bear pressure. The first damping spring 42 is used to absorb and disperse impact force and has the function of transverse dispersion force. During the process of sinking and rebounding of the running track each time, the impact force generated by the running machine running board on the human knee joint is dispersed, the damage to the joints and bones of the user is reduced, and a more comfortable running experience is provided. Compared with vertical spring damping, the instantaneous impact force on the floor can also be avoided.

[0036] In the embodiment, the chassis longitudinal beam 11 is formed with a first longitudinal groove 113 which is adapted to accommodate the first damper 43 and the first damping spring 42. The first damping spring 42 is made of carbon steel. The first swing arm 41 is pivotally connected to the first telescopic short end through an extension arm 48.

[0037] In the embodiment, the main body support 31 comprises a fourth main body cross beam 315 which is surrounded by the first main body cross beam 312, the two main body longitudinal beams 311 to form an electromechanical area. The driving device 34 is installed in the electromechanical area. The second damper 45 passes through the electromechanical area to be connected with the floating support. The floating longitudinal beam comprises a first floating longitudinal beam end 211 and a second floating longitudinal beam end 212. The first floating longitudinal beam end 211 is pivotally connected with the first swing arm 41. The second floating longitudinal beam end 212 is pivotally connected to the fourth main body cross beam 315. The first floating cross beam 22 is arranged adjacent to the first floating longitudinal beam end 211. When the floating support is pressed, the first floating longitudinal beam end 211 swings downward to drive the first damping unit.

[0038] In the embodiment, the treadmill base frame comprises a first base frame cross beam 12 and a second base frame cross beam 13 arranged in parallel, the base frame longitudinal beam 11 comprises a first base frame longitudinal beam end 111 and a second base frame longitudinal beam end 112, the first base frame cross beam 12 is adapted to connect two first base frame longitudinal beam ends 111, and the two second base frame longitudinal beam ends 112 are connected into a whole through the second base frame cross beam 13.

[0039] In the embodiment, the main body support 31 comprises a third main body cross beam 314 adapted to connect the middle parts of the two main body longitudinal beams 311, and a hydraulic push rod 32 is arranged between the third main body cross beam 314 and the first base frame cross beam 12, which is adapted to adjust the slope of the treadmill main body, provide more diverse exercise modes for users, and increase the interest and challenge of exercise.

[0040] In the embodiment, the base frame longitudinal beam 11 is provided with a first shock-absorbing body 46 facing the bottom surface, and the first base frame cross beam 12 is provided with a second shock-absorbing body 47 facing the main body longitudinal beam 311, which increases the shock-absorbing points and enhances the structural stability of the treadmill. The first shock-absorbing body 46 is a rubber column, and the second shock-absorbing body 47 comprises a silica gel column and a shock-absorbing bag, the silica gel column or the rubber column is arranged in the center of the shock-absorbing bag, air is arranged in the shock-absorbing bag, and when pressure is applied, the air in the shock-absorbing bag is squeezed and released to achieve the effect of rapid shock absorption. On the one hand, the silica gel column or the rubber column can absorb part of the energy through deformation, and on the other hand, the silica gel column or the rubber column can improve the pressure bearing capacity and provide power recovery and rebound.

[0041] In the embodiment, the first base frame longitudinal beam end 111 is connected with a first ground wheel 14, and the first floating longitudinal beam end 211 is connected with a second ground wheel 35, and the first ground wheel 14 and the second ground wheel 35 are made of polyurethane (PU) and have good wear resistance and skid resistance. The first ground wheel 14 functions to assist movement, and it can be understood that the first ground wheel 14 does not touch the ground when the treadmill is working.

[0042] The above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A treadmill, comprising a handrail assembly and a running platform assembly, characterized in that, The running platform device includes a running platform base frame, a floating support, and a running platform body. The running platform body includes a ground contact part and a floating part. The running platform base frame and the ground contact part are placed on the bottom surface and cooperate to support the running platform body. The running platform base frame supports the floating support through a first shock absorption unit, and the floating part suspends the floating support through a second shock absorption unit.

2. The treadmill according to claim 1, characterized in that, The treadmill base frame includes two parallel longitudinal beams, and the floating support includes two parallel first floating longitudinal beams, each of which is correspondingly located on the inner side of the longitudinal beams of the base frame. The first shock absorption unit includes a first swing arm and a first shock absorption spring. The first swing arm is pivotally connected to the inner side of the base frame longitudinal beam. One end of the first swing arm is pivotally connected to the first floating longitudinal beam, and the other end of the first swing arm is connected to the first shock absorption spring. The first shock absorption spring is arranged along the length direction of the base frame longitudinal beam. When the floating support is pressed down, the first shock-absorbing spring is driven by the first swing arm to contract and bear the pressure.

3. A treadmill according to claim 2, characterized in that, The first damping unit further includes a first damper, which is a pneumatic rod or a hydraulic rod. The first damper includes a first telescopic end and a first fixed end. The first damping spring is sleeved on the first damper. The two axial ends of the first damping spring are fixedly connected to the first telescopic end and the first fixed end, respectively. The other end of the first swing arm is pivotally connected to the first telescopic end. When the floating support is pressed down, the first telescopic end is driven by the first swing arm to approach the first fixed end to bear the pressure, and the first telescopic end simultaneously drives the first shock-absorbing spring to contract and bear the pressure.

4. A treadmill according to claim 3, characterized in that, The base frame longitudinal beam has a first longitudinal groove suitable for accommodating the first shock absorber and the first shock-absorbing spring.

5. A treadmill according to any one of claims 2-4, characterized in that, The treadmill base frame is provided with a plurality of first shock absorbers facing the bottom surface, and the treadmill base frame is provided with a plurality of second shock absorbers facing the treadmill body. The first shock absorbers include at least one of silicone pillars, rubber pillars, and shock-absorbing bladders, and the second shock absorbers include at least one of silicone pillars, rubber pillars, and shock-absorbing bladders.

6. A treadmill according to claim 5, characterized in that, The second shock absorption unit includes a second swing arm and a second shock absorber. The second shock absorber is a pneumatic rod or a hydraulic rod. The second shock absorber is arranged perpendicular to the plane of the floating support. The second shock absorber includes a second telescopic end and a second fixed end. One end of the first swing arm is pivotally connected to the floating part, the other end of the second swing arm is pivotally connected to the second telescopic end, and the second fixed end is pivotally connected to the floating support. When the floating part is pressed down, the second telescopic end is driven by the second swing arm to approach the second fixed end to bear the pressure. The second shock absorber is adapted to transfer the load to the floating support. The floating support further transfers the load to the running platform base frame through the first shock absorption unit.

7. A treadmill according to claim 6, characterized in that, The main body of the running platform includes a main support frame and a running board, a running belt, and a drive device adapted to drive the running belt to circulate, all mounted on the main support frame. The main support frame includes two parallel main longitudinal beams and a first main crossbeam and a second main crossbeam, all mounted in parallel. The main longitudinal beams include a first main longitudinal beam end and a second main longitudinal beam end. The first main crossbeam is adapted to connect the two first main longitudinal beam ends and form the floating part. The second main crossbeam is adapted to connect the two second main longitudinal beam ends and form the ground contact part. One end of the second swing arm is pivotally connected to the first main crossbeam.

8. A treadmill according to claim 7, characterized in that, The floating support includes two parallel first floating crossbeams and two parallel second floating longitudinal beams. The first floating crossbeams are adapted to connect the two first floating longitudinal beams, and the two second floating longitudinal beams are adapted to connect the two first floating crossbeams. The two second floating longitudinal beams are located in the middle area of ​​the first floating crossbeams, and the second fixed end is pivotally connected to the two second floating longitudinal beams.

9. A treadmill according to claim 8, characterized in that, The running platform base frame includes a first base frame crossbeam and a second base frame crossbeam arranged in parallel. The base frame longitudinal beam includes a first base frame longitudinal beam end and a second base frame longitudinal beam end. The first base frame crossbeam is adapted to connect the two first base frame longitudinal beam ends. The two first floating longitudinal beam ends are connected into a whole by the second base frame crossbeam. The first shock absorber is provided on the bottom surface of the base frame longitudinal beam, and the second shock absorber is provided on the first base frame crossbeam facing the main longitudinal beam.

10. A treadmill according to claim 9, characterized in that, The main support includes a third main crossbeam, which is adapted to connect the middle of the two main longitudinal beams. A hydraulic push rod is provided between the third main crossbeam and the first base frame crossbeam, and the hydraulic push rod is adapted to adjust the slope of the running platform.

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