CN213964982U

CN213964982U - Barefoot treadmill

Info

Publication number: CN213964982U
Application number: CN202022226013.4U
Authority: CN
Inventors: 丛益; 杨红春; 刘美含
Original assignee: Zhejiang University of Technology ZJUT
Current assignee: Zhejiang University of Technology ZJUT
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-17
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to a treadmill, in particular to a barefoot treadmill. A barefoot treadmill includes a frame, a running belt, a running belt drive assembly and a running belt support assembly. Ring-shaped arrangement, the running belt support assembly is located between two running belt rollers, the running belt support assembly includes a number of support unit groups arranged in front and back, each row of support unit groups includes a number of rolling support units, and the rolling support units include For a self-rotating roller, the axes of the roller and the running belt roller are all arranged in the left-right direction, and a flexible elastic layer is provided on the outer circumferential side of the roller. The utility model improves the hard texture of the bare foot and the running belt, and also ensures the firm wear resistance of the flexible elastic layer, reduces the wear of the flexible elastic layer when the running belt rotates rapidly, and makes the barefoot treadmill more practical. advantage.

Description

Barefoot treadmill

Technical Field

The utility model relates to a treadmill, concretely relates to barefoot treadmill.

Background

The treadmill includes the frame, runs the area, runs and takes drive assembly and runs the board, runs and takes drive assembly to include driving motor, preceding race and takes the roller, runs the area roller after, runs to take the cover to establish in the front and runs the area roller and back and take the roller outside and be the annular and set up the area, runs the board and is located before running and takes the roller and run after and take between the roller.

When running on bare feet, the running board with the hard damping surface can not achieve the functions of making bare feet sporters comfortable, healthy and safe, and the sole of the running board is required to have certain flexibility with the running belt contact surface of the running machine.

The arrangement of the soft material on the outer side of the running belt is a conventional assumption, but the soft material can be bent for many times when the treadmill is used, and is very easy to damage and lose efficacy.

The soft material arranged between the running belt and the running plate is also a method for improving the contact surface, but the soft material is difficult to resist the strong friction formed after people are carried on the running belt, and the soft material is easy to wear and lose efficacy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a barefoot treadmill which is suitable for barefoot running and has longer service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a barefoot treadmill, includes frame, runs the area, runs and takes drive assembly and runs and take supporting component, run and take drive assembly and take the roller including two front and back runs, run the area cover and establish on two run take the roller and be the annular setting, it is located two and runs between the roller to run and take supporting component, run and take the supporting component to include a plurality of fore-and-aft arrangement's support unit group, every row of support unit group includes a plurality of support units that roll, but the support unit that rolls includes the roller bearing of rotation, the axis of roller bearing and running roller all sets up along left right direction, the roller bearing circumference outside is equipped with flexible elastic layer.

When the user stands on the race belt, the race belt supports on the support element that rolls and makes flexible elastic layer warp to the race belt contact surface of user sole and treadmill has certain compliance, so that the utility model discloses treadmill adaptation barefoot runner. The flexible elastic layer can be made of rubber, silica gel, elastic foam and other materials, can be deformed after being pressed, and can be elastically restored after the pressing force is cancelled. The rolling support unit can rotate along with the running belt, the part of the flexible elastic layer pressed by a user is not invariable, and the flexible elastic layer cannot be pressed all the time at a certain position, so that the friction between the rolling support unit and the running belt is reduced, and the service life is longer. The utility model discloses when the treadmill has improved naked foot and has run harder feel in area, still guarantee the firm wearability of flexible elastic layer, to the wearing and tearing of flexible elastic layer when reducing to run the quick rotation in area, make naked foot treadmill have more the practicality.

Preferably, a protective layer is arranged outside the flexible elastic layer. Through setting up the protective layer in order to protect flexible protective layer to avoid flexible protective layer direct and race the area contact, with the wearing and tearing that reduce flexible protective layer, with increase of service life.

Preferably, the frame includes side plates disposed at left and right sides of the supporting unit group, and the roller is rotatably fixed between the side plates. The rolling shaft is supported by the two side plates so as to avoid the condition that the running belt is sunk.

Preferably, each row of support unit groups comprises a rolling support unit, and the left end and the right end of a rolling shaft of each rolling support unit are respectively fixed with one side plate; the end part of the roller is fixed with the side plate through a first bearing. Each row of supporting unit groups only have one rolling shaft, so that the production and manufacturing cost can be reduced. The first bearing supports the rolling shaft, so that the rolling shaft rotates along with the running belt, and friction between the rolling support unit and the running belt is reduced.

Preferably, each row of support unit groups comprises a plurality of rolling support units arranged side by side from left to right, rolling shafts of the rolling support units are all sleeved on a fixed shaft, the rolling shafts can rotate on the fixed shaft, and the fixed shaft is fixed with the side plates; or a supporting plate is arranged between the two side plates, a plurality of supporting seats used for supporting the rolling shaft are arranged on the supporting plate, and the rolling shaft can be rotationally fixed on the supporting seats. Through setting up a plurality of rollers of every row, the user only lies in the flexible elastic layer of sole downside and takes place the deformation at the in-process of running, and other regions do not change, and the pressure of naked foot on ground is felt in the abundant simulation.

Preferably, the two rollers adjacent to each other in the front and the back are arranged in a left-right staggered manner; in two rows of rollers adjacent to each other in front and back, one roller in the front row is positioned between two rollers adjacent to each other in left and right of the back row, and one roller in the back row is positioned between two rollers adjacent to each other in left and right of the front row. Go up the setting and have rectangular pit in order to avoid running the area downside to the travelling comfort when improving the user and running.

Preferably, a second bearing is fixedly sleeved at the position of the rolling shaft deviating from the end part, a supporting plate is arranged between the side plates at the left side and the right side, the inner ring of the second bearing is fixedly sleeved on the rolling shaft, and the outer ring of the second bearing is fixed with the supporting plate and is positioned at the upper side of the supporting plate; the second bearings on the two adjacent front and back rollers are arranged in a left-right staggered mode. The arrangement reduces the possibility that the sole of a user steps on the upper part of the bearing when the user runs, and avoids the user from stepping on the concave pit on the lower side of the running belt as much as possible, so as to improve the comfort level when the user runs.

Preferably, the outer diameter of the roller is 8-16 mm; the thickness of the flexible elastic layer is 4-15 mm. If the diameter of the rolling support unit is too large, the rolling support units adjacent to each other in front and back can form larger grooves under the running belt, and the barefoot step on the running belt has poor experience and even risks of injury. And if the diameter of the roller of the rolling support unit is too small, the rigidity strength of the roller is too small to form effective support, so that the function is failed. The arrangement ensures that the rolling shaft has better supporting effect and the barefoot runner has better use comfort.

Preferably, the axes of the rollers are all located on the same plane. The arrangement ensures that the outer diameters of the rolling shafts are consistent, so that the distance between the upper edges of the rolling support units adjacent to each other in the front and back is as small as possible, the phenomenon that a user can feel a pit when stepping on a running belt is avoided, and the running comfort of the user is ensured.

Preferably, a gap is provided between the two rollers adjacent to each other in the front-rear direction. The front and the back adjacent rollers cannot be in direct contact because of the existence of the gap, and the friction force between the front and the back adjacent rollers cannot be generated after the flexible elastic layer is pressed and deformed, so that the service life of the flexible elastic layer is prolonged as far as possible.

The utility model discloses when having improved naked foot and having run harder feel in area, still guarantee the firm wearability of flexible elastic layer, to the wearing and tearing of flexible elastic layer when reducing to run the area and rotate fast, make naked foot treadmill have more the advantage of practicality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing a structure of the running belt support assembly according to embodiment 1;

FIG. 3 is another schematic structural view of the running belt support assembly of embodiment 1;

FIG. 4 is a schematic view showing a structure of the running belt support assembly according to embodiment 2;

FIG. 5 is another schematic structural view of the running belt support assembly according to embodiment 2;

fig. 6 is a schematic structural view of the running belt support assembly of embodiment 3.

Detailed Description

The invention will be further described with reference to the drawings and the specific embodiments.

Example 1

By figure 1 to figure 3 show, the utility model discloses a barefoot treadmill, including frame 1, run area 2, run and take drive assembly and run and take supporting component 100, run and take drive assembly to include that driving motor reaches two front and back runs and take roller 21, driving motor runs the linkage of taking roller 21 with one of them, runs and takes 2 covers to establish and is the annular setting on two run take roller 21, runs and takes supporting component 100 to be located two and runs between taking roller 21.

The belt running supporting assembly 100 comprises a plurality of supporting unit groups which are arranged in a front-back mode, each supporting unit group comprises a rolling supporting unit, each rolling supporting unit comprises a rolling shaft 3 capable of rotating, the rolling shafts 3 and the belt running rollers 21 are arranged along the left and right directions, the flexible elastic layers 4 are arranged on the outer sides of the circumferential directions of the rolling shafts 3, and the protective layers 5 are arranged outside the flexible elastic layers 4.

The frame 1 comprises side plates 11 arranged at the left side and the right side of the supporting unit group, and the rolling shaft 3 can be rotatably fixed between the two side plates 11. The roller can be fixed with the side plate through a bearing or other parts, a fixed groove can be formed in the end face of the side plate, and the end of the roller is sleeved with the bearing or a sliding sleeve and is located in the fixed groove.

Wherein, the external diameter of roller 3 is 8-16 mm, and the thickness of flexible elastic layer 4 is 4-15 mm, and the thickness of protective layer 5 is 1 mm-3 mm. The axes of the rollers 3 are all located on the same plane, and a gap is formed between the two adjacent rollers 3. The flexible elastic layer 4 and the protective layer 5 may be fixed to the outer circumferential side of the roller 3 in various ways. Wherein the flexible elastic layer 4 is made of rubber and the protective layer 5 is made of pvc.

Example 2

As shown in fig. 4 and 5, the present embodiment differs from embodiment 1 in that: the left end and the right end of the roller 3 of each rolling support unit are respectively fixed with a side plate 11, and the end part of the roller 3 is fixed with the side plate 11 through a first bearing 31.

The second bearing 32 is fixedly sleeved at the position of the offset end of the roller 3, the supporting plate 12 is arranged between the side plates 11 at the left side and the right side, the inner ring of the second bearing 32 is fixedly sleeved on the roller 3, and the outer ring of the second bearing 32 is fixed with the fixing seat 13 fixed on the upper side of the supporting plate 12. Wherein, the second bearings 32 on the two rollers 3 adjacent to each other in the front and back are arranged in a left-right staggered manner. The roller 3 is not provided with a protective layer and a flexible elastic layer on the circumferential outer side corresponding to the second bearing 32.

Example 3

As shown in fig. 6, the present embodiment is different from embodiment 1 in that: each row of supporting unit groups comprises a plurality of rolling supporting units which are arranged side by side from left to right, rolling shafts 3 of the rolling supporting units are sleeved on the fixed shaft 30, the rolling shafts 3 can rotate on the fixed shaft 30, and the fixed shaft 30 is fixed with the side plate 11. The two front and back adjacent rollers 3 are arranged in a left-right staggered manner; of the two rows of rollers 3 adjacent to each other in the front-rear direction, one roller 3 in the front row is positioned between two rollers 3 adjacent to each other in the left-right direction in the rear row, and one roller 3 in the rear row is positioned between two rollers 3 adjacent to each other in the left-right direction in the front row. The roller 3 is fixed to the fixed shaft 30 by a third bearing 33. The third bearing 33 can be limited by parts such as a snap spring and a retainer ring.

Claims

1. The utility model provides a barefoot treadmill, its characterized in that includes the frame, runs the area, runs and takes drive assembly and runs and take supporting component, run and take drive assembly and take the roller including two front and back runs, run and take the cover to establish and be the annular setting on two run take the roller, it is located two and runs between taking the roller to run and take the supporting component, run and take the supporting component to include a plurality of tandem support unit groups, every row of supporting unit group includes a plurality of roll supporting unit, the roll supporting unit is including the roller bearing of rotation, the axis of roller bearing and running belt roller all sets up along left right direction, the roller bearing circumference outside is equipped with flexible elastic layer.

2. The barefoot treadmill of claim 1, wherein the flexible, resilient layer is provided with a protective layer.

3. The barefoot treadmill of claim 1, wherein the frame comprises side plates disposed on left and right sides of the supporting unit group, the roller being rotatably fixed between the side plates.

4. The barefoot treadmill of claim 3, wherein each row of supporting unit sets comprises a rolling supporting unit, and left and right ends of a rolling shaft of each rolling supporting unit are respectively fixed with a side plate; the end part of the roller is fixed with the side plate through a first bearing.

5. The barefoot treadmill of claim 3, wherein each row of supporting unit sets comprises a plurality of rolling supporting units arranged side by side left and right, rolling shafts of the rolling supporting units are all sleeved on a fixed shaft, the rolling shafts can rotate on the fixed shaft, and the fixed shaft is fixed with the side plate; or a supporting plate is arranged between the two side plates, a plurality of supporting seats used for supporting the rolling shaft are arranged on the supporting plate, and the rolling shaft can be rotationally fixed on the supporting seats.

6. The barefoot treadmill of claim 5, wherein the two rollers adjacent to each other are staggered left and right; in two rows of rollers adjacent to each other in front and back, one roller in the front row is positioned between two rollers adjacent to each other in left and right of the back row, and one roller in the back row is positioned between two rollers adjacent to each other in left and right of the front row.

7. The barefoot treadmill of claim 3, wherein a second bearing is fixedly sleeved on the position of the offset end of the roller, a support plate is arranged between the left and right side plates, the inner ring of the second bearing is fixedly sleeved on the roller, and the outer ring of the second bearing is fixed with the support plate and is positioned on the upper side of the support plate; the second bearings on the two adjacent front and back rollers are arranged in a left-right staggered mode.

8. The barefoot treadmill of claim 1, wherein the roller has an outer diameter of 8-16 mm; the thickness of the flexible elastic layer is 4-15 mm.

9. The barefoot treadmill of claim 1, wherein the axes of the rollers all lie in the same plane.

10. The barefoot treadmill of claim 1, wherein a gap is provided between two rollers adjacent in front and rear.