CN215351798U - Device of adjustable elliptical machine step - Google Patents
Device of adjustable elliptical machine step Download PDFInfo
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- CN215351798U CN215351798U CN202121175022.3U CN202121175022U CN215351798U CN 215351798 U CN215351798 U CN 215351798U CN 202121175022 U CN202121175022 U CN 202121175022U CN 215351798 U CN215351798 U CN 215351798U
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- elliptical machine
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Abstract
The utility model provides a device capable of adjusting the step pitch of an elliptical machine, which comprises: the connecting mandrel is in transmission connection with the driving disc and can rotate around the axis of the driving disc; one end of the crank adjusting device is fixed on the connecting mandrel to form a first mounting end, and the other end of the crank adjusting device is far away from the first mounting end and extends to form a second mounting end; and one end of the pedal device is rotatably connected to the second mounting end, and the other end of the pedal device is rotatably connected to the swinging pipe. According to the utility model, the crank adjusting device is arranged on the connecting mandrel, and the crank adjusting device can change the distance between the pedal device and the shaft center of the driving disk, so that the step pitch of the elliptical machine is changed to meet the requirements of different people.
Description
Technical Field
The utility model relates to the technical field, in particular to a device capable of adjusting the step pitch of an elliptical machine.
Background
The elliptical machine is also called a spacewalk machine, is a good instrument for exercising the heart and lung functions, and is popular among many users and professionals. The slope design, the resistance adjusting function, the well-arranged motion mode and the ability of specially exercising certain tissue muscles of the lower limbs of the elliptical machine make the elliptical machine become common sports equipment in a professional gymnasium and a family living room. Despite the differences in mass and comfort of exercise between the different types of elliptical machines, such machines are undoubtedly powerful weapons for exercisers to exercise their cardio-pulmonary functions.
The elliptical machine generally comprises a main frame, a drive disc assembly and a pedal device, wherein the main frame comprises a front support piece, a middle support piece and a rear support piece which are sequentially arranged, the drive disc assembly is arranged on the middle support piece and comprises a drive disc and a connecting mandrel which can rotate around the drive disc, a front vertical pipe is arranged on the front support piece, two ends of the front vertical pipe are rotatably connected with a swing pipe which is used for being held by an athlete, and the pedal device is arranged between the bottom end of the swing pipe and the connecting mandrel.
The stepping pitch of the elliptical machine on the market at present is fixed, and cannot be adjusted according to requirements, so that the practicability is further improved.
In view of the above, the present inventors have specially designed a device capable of adjusting the step pitch of an elliptical trainer, and have resulted in this.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the technical scheme of the utility model is as follows:
an apparatus for adjusting the step size of an elliptical machine, comprising:
the connecting mandrel is in transmission connection with the driving disc and can rotate around the axis of the driving disc;
one end of the crank adjusting device is fixed on the connecting mandrel to form a first mounting end, and the other end of the crank adjusting device is far away from the first mounting end and extends to form a second mounting end;
and one end of the pedal device is rotatably connected to the second mounting end, and the other end of the pedal device is rotatably connected to the swinging pipe.
Optionally, the connecting mandrel sequentially comprises a base, a positioning portion and a threaded portion in the direction close to the pedal device, the base is fixedly connected to the driving disc, and the cross section of the positioning portion is polygonal.
Optionally, the polygon is a quadrangle, a pentagon or a hexagon.
Optionally, the crank adjusting device includes a crank main body, the crank main body has a positioning hole and a mounting hole respectively formed on two side surfaces of the first mounting end in the thickness direction, a via hole is formed in the second mounting end, the positioning hole is configured to be embedded in the positioning portion, and a nut for fastening the threaded portion is arranged in the mounting hole.
Optionally, the crank main body is provided with a thickened portion protruding in a direction away from the mounting hole on one surface of the positioning hole, and the positioning hole penetrates through the thickened portion.
Optionally, a protective cover is covered on one side of the crank adjusting device close to the pedal device.
Optionally, a rotating structure is arranged between the pedal device and the crank adjusting device, the rotating structure comprises a hollow rotating pipe and a rotating connecting plate, the rotating pipe is fixedly connected to the second mounting end through a penetrating screw, the rotating connecting plate comprises an arc-shaped portion attached to the outer side surface of the rotating pipe and vertical plates fixedly connected to two ends of the arc-shaped portion, the two vertical plates extend along the axis direction of the rotating pipe, and the pedal device is connected between the two vertical plates through a rotating shaft.
According to the utility model, the crank adjusting device is arranged on the connecting mandrel, the second mounting end of the crank adjusting device, which is far away from the connecting mandrel, is rotatably connected with the pedal device, so that even if the original step pitch is adopted, the distance between the connecting mandrel and the axis of the driving disc is changed into the distance between the second mounting end and the axis of the driving disc, and the positioning hole and the positioning part have different matching angles, so that the second mounting end and the axis of the driving disc have different distances, and the step pitch of the elliptical machine is adjusted to meet the requirements of different people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
Wherein:
FIG. 1 is a schematic view of the overall structure of an elliptical machine provided by an embodiment of the present invention;
FIG. 2 is a schematic assembly diagram of an apparatus for lengthening the step of an elliptical machine according to an embodiment of the present invention;
FIG. 3 is a schematic view of the assembly of the connecting mandrel and the crank adjusting device provided by the embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a crank adjustment device provided in accordance with an embodiment of the present invention, showing the structure of the crank adjustment device from two perspectives;
FIG. 5 is a schematic view of a shield according to an embodiment of the present invention, showing the structure of the shield from two viewing angles;
fig. 6 is a schematic view of a rotating structure provided in an embodiment of the present invention.
Description of reference numerals:
1. connecting the core shaft; 11. a base; 12. a positioning part; 13. a threaded portion;
2. a crank adjusting device; 21. a first mounting end; 22. a second mounting end; 23. a crank body; 24. positioning holes; 25. mounting holes; 26. a via hole; 27. thickening part;
3. a pedal device;
4. a protective cover;
5. a rotating structure; 51. rotating the tube; 52. rotating the connecting plate; 53. an arc-shaped portion; 54. a vertical plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention clearer and clearer, the present invention is 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 utility model and are not intended to limit the utility model.
Referring to fig. 1 to 4, an apparatus for adjusting the step pitch of an elliptical machine according to a preferred embodiment of the present invention comprises: the connecting mandrel 1 is in transmission connection with the driving disc, can be directly and fixedly connected to the position, close to the edge, of the driving disc, and can also be fixedly connected with the driving disc through a connecting piece, and when the driving disc rotates, the connecting mandrel 1 can rotate around the axis of the driving disc; one end of the crank adjusting device 2 is fixed on the connecting mandrel 1 to form a first mounting end 21, namely the first mounting end 21 is fixed with the connecting mandrel 1 in position and cannot rotate, and the other end of the crank adjusting device is far away from the first mounting end 21 and extends to form a second mounting end 22; the pedal device 3 has one end rotatably connected to the second mounting end 22 and the other end rotatably connected to the swing pipe. It should be noted that the extending finger can be along the direction far from the axis of the driving disc or the direction close to the axis of the driving disc, wherein the direction far from the axis of the driving disc makes the distance between the second mounting end 22 and the axis of the driving disc larger than the distance between the first mounting end 21 and the axis of the driving disc, which is a step length, and the direction close to the axis of the driving disc makes the distance between the second mounting end 22 and the axis of the driving disc smaller than the distance between the first mounting end 21 and the axis of the driving disc, which is a step length reduction, it can be understood that the principle of step length extension and step length adjustment is the same, so the description is made only by the illustration of step length
Specifically, as shown in fig. 3, the connecting mandrel 1 includes a base 11, a positioning portion 12, and a threaded portion 13 in sequence from the direction close to the pedal device 3, the base 11 is fixed to the driving disc, and the cross section of the positioning portion 12 is polygonal.
Specifically, as shown in fig. 4, the crank adjusting device 2 includes a crank main body 23, the crank main body 23 has a positioning hole 24 and a mounting hole 25 respectively formed on two side surfaces of the first mounting end 21 in the thickness direction, and a through hole 26 formed on the second mounting end 22, the positioning hole 24 is configured to be fitted to the positioning portion 12, and a nut for fastening the threaded portion 13 is disposed in the mounting hole 25.
It should be noted that, when the polygon is a regular polygon, the positioning hole 24 of the crank adjusting device 2 is rotatably mounted on the positioning portion 12 to have a plurality of ways of increasing the step pitch, and when the polygon is a non-regular polygon, only one way of increasing the step pitch is provided, it can be understood that the polygon is a quadrangle, a pentagon, or a hexagon, and certainly can be a regular quadrangle, a pentagon, or a hexagon, and when the polygon is a regular polygon, there is a more flexible adjusting space, the embodiment takes the section of the positioning portion 12 as a regular quadrangle as an example for explanation, and other descriptions are omitted, when the section of the positioning portion 12 is a regular quadrangle, the positioning hole 24 of the crank adjusting device 2 can be engaged with the positioning portion 12 every 90 degrees, so there are four engaging ways, but the second mounting end 22 is far away from the axis of the driving disk, so only two engaging ways of the second mounting end 22 below the connecting mandrel 1 can be used for increasing the step pitch, the other two are used to reduce the step size.
Furthermore, the crank body 23 is provided with a thickened portion 27 protruding from one surface of the positioning hole 24 in a direction away from the mounting hole 25, the positioning hole 24 penetrates through the thickened portion 27, and the hole depth of the positioning hole 24 is increased by the thickened portion 27, that is, the contact area with the positioning portion 12 is increased, which is beneficial to the stability of connection.
In some embodiments, as shown in fig. 5, a protective cover 4 is disposed on a side of the crank adjusting device 2 close to the pedal device 3, that is, the crank adjusting device 2 may have at least one threaded hole below the mounting hole 25, and then the protective cover 4 is adapted to the shape of the crank adjusting device 2 to achieve the fastening.
In some embodiments, as shown in fig. 1 and 6, a rotation structure 5 is disposed between the pedal device 3 and the crank adjusting device 2, the rotation structure 5 includes a hollow rotation tube 51 and a rotation connecting plate 52, the rotation tube 51 is fixedly connected to the second mounting end 22 through a screw, the rotation connecting plate 52 includes an arc portion 53 attached to an outer side surface of the rotation tube 51 and vertical plates 54 fixedly connected to two ends of the arc portion 53, the two vertical plates 54 extend along an axial direction of the rotation tube 51, and the pedal device 3 is connected between the two vertical plates 54 through a rotation shaft.
In summary, according to the present invention, the crank adjusting device 2 is disposed on the connecting mandrel 1, and the second mounting end 22 of the crank adjusting device 2, which is far away from the connecting mandrel 1, is rotatably connected to the pedal device 3, so that even though the original step pitch is changed, the distance between the connecting mandrel 1 and the axis of the driving disk is changed to the distance between the second mounting end 22 and the axis of the driving disk, and the positioning hole 24 and the positioning portion 12 have different matching angles, so that the step pitch of the elliptical machine can be adjusted to meet the requirements of different people.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.
Claims (7)
1. An apparatus for adjusting the step size of an elliptical machine, comprising:
the connecting mandrel is in transmission connection with the driving disc and can rotate around the axis of the driving disc;
one end of the crank adjusting device is fixed on the connecting mandrel to form a first mounting end, and the other end of the crank adjusting device is far away from the first mounting end and extends to form a second mounting end;
and one end of the pedal device is rotatably connected to the second mounting end, and the other end of the pedal device is rotatably connected to the swinging pipe.
2. The device of claim 1, wherein the connecting mandrel comprises a base, a positioning portion and a threaded portion in sequence toward the pedal device, the base is fixedly connected to the driving disc, and the positioning portion has a polygonal cross section.
3. The device for adjusting the step pitch of the elliptical machine as claimed in claim 2, wherein said polygon is a quadrangle or a pentagon or a hexagon.
4. The device of claim 2, wherein the crank adjusting device comprises a crank body, the crank body is provided with a positioning hole and a mounting hole on two side surfaces of the first mounting end in the thickness direction, the second mounting end is provided with a through hole, the positioning hole is configured to be embedded with the positioning portion, and a nut for fastening the threaded portion is arranged in the mounting hole.
5. The device as claimed in claim 4, wherein the crank body has a thickened portion protruding from the mounting hole on a side of the positioning hole, and the positioning hole is opened through the thickened portion.
6. The device for adjusting the step size of an elliptical machine according to claim 1, characterized in that a shield is provided on a face of the crank adjusting device adjacent to the pedal device.
7. The device for adjusting the step pitch of the elliptical machine according to claim 1, wherein a rotating structure is arranged between the pedal device and the crank adjusting device, the rotating structure comprises a hollow rotating tube and a rotating connecting plate, the rotating tube is fixedly connected to the second mounting end through a screw, the rotating connecting plate comprises an arc-shaped portion attached to the outer side surface of the rotating tube and vertical plates fixedly connected to two ends of the arc-shaped portion, the two vertical plates extend along the axial direction of the rotating tube, and the pedal device is connected between the two vertical plates through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175022.3U CN215351798U (en) | 2021-05-28 | 2021-05-28 | Device of adjustable elliptical machine step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121175022.3U CN215351798U (en) | 2021-05-28 | 2021-05-28 | Device of adjustable elliptical machine step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215351798U true CN215351798U (en) | 2021-12-31 |
Family
ID=79632100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121175022.3U Active CN215351798U (en) | 2021-05-28 | 2021-05-28 | Device of adjustable elliptical machine step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215351798U (en) |
-
2021
- 2021-05-28 CN CN202121175022.3U patent/CN215351798U/en active Active
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