Elliptical machine

Abstract

The utility model provides an elliptical machine which comprises a machine frame, a damping wheel mechanism, a cantilever, a connecting rod and a pedal set. The damping wheel mechanism is installed on the machine frame and provided with a driving shaft, the driving shaft is sleeved with a rolling wheel, the cantilever is hinged to the machine frame, and the pedal plate set is hinged to the cantilever and abuts against the rolling wheel in a sliding mode. The driving shaft is further sleeved with a connecting sleeve, and the cantilever is provided with a connector capable of rotating in the same direction. The connecting rod is connected between the connector and the connecting sleeve, the connecting rod is hinged to the connecting sleeve through a first hinge shaft perpendicular to the driving shaft, and / or the connecting rod is hinged to the connector through a second hinge shaft perpendicular to the driving shaft. The connecting rod is provided with a swing space in the axial direction of the driving shaft, and deviation can be corrected. And smooth action of the whole machine is ensured.

Description

Technical Field

[0001] The utility model relates to the field of fitness equipment, and particularly relates to an elliptical machine. Background Art

[0002] The elliptical machine, also known as the space walker, is a device with good cardiorespiratory exercise effect and is favored by many users and professionals. In order to reduce the size of the elliptical machine while ensuring the movement amplitude of the pedal group remains unchanged, CN209790740U discloses an elliptical machine. A drive shaft is provided on the crank, one ends of the roller and the connecting rod are both sleeved on the drive shaft, the other end of the connecting rod is connected to the cantilever, and the pedal group is connected to the roller. However, in the actual operation process, the following defects are likely to occur: the precision requirements for connecting the connecting rod to the drive shaft and the cantilever are high. If there are deviations in the component dimensions or slight deviations in the assembly, it is easy to cause the coaxiality between the socket hole of the connecting rod and the drive shaft to be lost or the rotation direction of the connecting rod and the cantilever to deviate, ultimately resulting in an unsmooth operation phenomenon or even jamming. Content of the Utility Model

[0003] Therefore, to solve the above problems, the utility model provides an elliptical machine.

[0004] To achieve the above object, the technical solution provided by the utility model is as follows:

[0005] An elliptical machine, comprising a frame, a damping wheel mechanism, a cantilever, a connecting rod and a pedal group; the damping wheel mechanism is installed on the frame and is provided with a drive shaft, a roller is sleeved on the drive shaft, the cantilever is hinged on the frame, the pedal group is hinged on the cantilever and slidably abuts against the roller; a connecting sleeve is further sleeved on the drive shaft, and a connecting head that can rotate in the same direction is assembled on the cantilever; the connecting rod is connected between the connecting head and the connecting sleeve, and the connecting rod forms a hinge setting with the connecting sleeve through a first hinge shaft perpendicular to the drive shaft, and / or the connecting rod forms a hinge setting with the connecting head through a second hinge shaft perpendicular to the drive shaft.

[0006] Further, the connecting rod forms a hinge setting with the connecting sleeve through a first hinge shaft perpendicular to the drive shaft, and the connecting rod forms a fixed connection with the connecting head.

[0007] Further, a U-shaped member is fixed on the connecting sleeve, the connecting rod is inserted into the opening of the U-shaped member, and the first hinge shaft passes through the two side walls of the U-shaped member and the connecting rod, so that the connecting rod is hinged on the connecting sleeve.

[0008] Further, the connecting head has a socket, the connecting rod is sleeved in the socket of the connecting head and is fixed by inserting a pin member.

[0009] Further, the connecting rod is hinged to the connecting head through a second hinge shaft perpendicular to the drive shaft, and the connecting rod is fixedly connected to the connecting sleeve.

[0010] Further, the connecting rod and the connecting sleeve are integrally connected.

[0011] Further, the connecting rod is located on the side of the pedal group and the cantilever close to the frame.

[0012] Further, a rotating shaft is provided on the connecting head, the rotating shaft is parallel to the drive shaft, and the connecting head is rotatably inserted through the cantilever through the rotating shaft.

[0013] Further, the pedal group includes a pedal rod and a pedal fixed on the pedal rod, and the pedal rod is hinged on the cantilever and slidably abuts against the roller.

[0014] Further, both sides of the roller have radially protruding limiting walls, and the pedal group is restricted between the limiting walls on both sides.

[0015] Through the technical solution provided by the present utility model, the following beneficial effects are achieved:

[0016] The connecting rod is hinged to the connecting head through a first hinge shaft perpendicular to the drive shaft, and / or the connecting rod is hinged to the connecting sleeve through a second hinge shaft perpendicular to the drive shaft; thus configured, the connecting rod has a swinging space in the axial direction of the drive shaft, which can well ensure that the connecting sleeve and the drive shaft are coaxial, and ensure the same-direction rotation of the cantilever and the connecting head, and can effectively eliminate the abnormal phenomenon of unsmooth operation caused by component size deviation or assembly deviation; making the action coherent and smooth; having the characteristics of ingenious improved structure and outstanding effect. Description of the Drawings

[0017] Figure 1 Shown is a three-dimensional schematic diagram of the elliptical machine in the first embodiment;

[0018] Figure 2 Shown is a partial structural exploded view of the elliptical machine in the first embodiment;

[0019] Figure 3 Shown is a structural connection diagram of the drive shaft part of the elliptical machine in the first embodiment;

[0020] Figure 4 Shown as Figure 3 Partial exploded view of the shown structure;

[0021] Figure 5 Shown is a structural connection diagram of the connecting rod, the connecting head and the cantilever of the elliptical machine in the first embodiment;

[0022] Figure 6 As shown Figure 5 is a partial exploded view of the structure shown;

[0023] Figure 7 As shown is a schematic diagram of the structural connection of the connecting rod, connecting head and cantilever of the elliptical machine in other embodiments. Detailed implementation manners

[0024] To further illustrate the embodiments, the present utility model provides accompanying drawings. These accompanying drawings are a part of the disclosure of the present utility model, which are mainly used to illustrate the embodiments and can be combined with the relevant descriptions in the specification to explain the operating principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0025] In the description of the present invention, the orientation or positional relationships such as "upper", "lower", "left", "right", "front", "rear", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0026] Now, the present utility model will be further described in conjunction with the accompanying drawings and specific implementation manners.

[0027] Embodiment 1

[0028] Referring to Figures 1 to 6 As shown, an elliptical machine provided in this embodiment includes a frame 11, a damping wheel mechanism 12, a cantilever 21, a connecting rod 31 and a pedal group 22; the damping wheel mechanism 12 is installed on the frame 11 and connected with a drive shaft 13. Specifically, there are two sets of the cantilever 21, the connecting rod 31 and the pedal group 22, which are respectively located on the left and right sides of the frame 11, and the damping wheel mechanism 12 is installed at the rear section of the frame 11; there is a drive shaft 13 on each of the left and right sides of the damping wheel mechanism 12, the drive shaft 13 extends in the left-right direction, a roller 14 is sleeved on the drive shaft 13, the cantilever 21 is hinged to the frame 11, specifically, hinged to the front section of the frame 11 to form a swing in the front-rear direction; the pedal group 22 is hinged to the cantilever 21 and slidably abuts against the roller 14; as Figure 1 shown, the front end of the pedal group 22 is hinged to the lower end of the cantilever 21, and the pedal group 22 slidably abuts against the roller 14.

[0029] Among them, a connecting sleeve 33 is also sleeved on the driving shaft 13, that is, the connecting sleeve 33, the roller 14 and the driving shaft 13 are coaxially arranged. A connecting head 32 that can rotate in the same direction is assembled on the cantilever 21; "rotating in the same direction" means that the rotating direction of the connecting head 32 is the same as that of the cantilever 21, and in this embodiment, both rotate in the front-back direction.

[0030] The connecting rod 31 is connected between the connecting head 32 and the connecting sleeve 33. In this embodiment, the rear end of the connecting rod 31 is hinged to the connecting sleeve 33 through a first hinge shaft 34 perpendicular to the driving shaft 13, and the front end of the connecting rod 31 is fixedly connected to the connecting head 32.

[0031] With such a setting, the connecting rod 31 has a space to swing in the left-right direction relative to the connecting sleeve 33, and the relative positions of the connecting head 32 and the connecting sleeve 33 can be appropriately adjusted. Even if there are deviations in component dimensions or assembly, it can be corrected by the lateral swinging of the connecting rod 31, which can well ensure that the connecting sleeve 33 and the driving shaft 13 remain coaxial, and ensure the same-direction rotation of the cantilever 21 and the connecting head 32, thereby ensuring the overall movement is coherent and smooth; it has the characteristics of ingenious improved structure and outstanding effect.

[0032] Specifically, in this embodiment, a U-shaped member 331 is fixed on the connecting sleeve 33. The connecting rod 31 is inserted into the opening of the U-shaped member 331, and the first hinge shaft 34 passes through the two side walls of the U-shaped member 331 and the connecting rod 31, so that the connecting rod 31 is hinged on the connecting sleeve 33; in this way, the hinged setting of the connecting rod 31 and the connecting sleeve 33 is realized; the structure is simple and easy to implement. Of course, in other embodiments, the structure in which the connecting rod 31 is hinged to the connecting sleeve 33 through the first hinge shaft 34 perpendicular to the driving shaft 13 is not limited to this.

[0033] The connecting head 32 has a socket 322. The connecting rod 31 is sleeved in the socket 322 of the connecting head 32 and is fixed by a pin member 323, realizing the fixed connection between the connecting rod 31 and the connecting head 32. Of course, in other embodiments, the connecting rod 31 and the connecting head 32 can also be fixed by clamping, welding and other methods.

[0034] The connecting rod 31 is located on the side of the pedal group 22 and the cantilever 21 close to the frame 11. This position has sufficient space and a more compact structure.

[0035] A rotating shaft 321 is provided on the connector 32. The rotating shaft 321 is parallel to the drive shaft 13. The connector 32 is rotatably disposed on the cantilever 21 through the rotating shaft 321. In this way, the rotatable assembly of the connector 32 is realized. Moreover, the connector 32 can rotate in the front-rear direction relative to the cantilever 21 and keep the same rotation direction as the cantilever 21. Of course, in other embodiments, the rotating shaft 321 can be fixed on the cantilever 21, and the connector 32 is rotatably sleeved on the rotating shaft 321, which can also realize the assembly with the same function.

[0036] The pedal group 22 includes a pedal rod 23 and a pedal 24 fixed on the pedal rod 23. The front end of the pedal rod 23 is hinged on the cantilever 21, and the rear section of the pedal rod 23 is slidably abutted against the roller 14.

[0037] Specifically, the two sides of the roller 14 have radially protruding limiting walls 141. The pedal rod 23 of the pedal group 22 is restricted between the limiting walls 141 on both sides, effectively preventing the pedal group 22 from detaching from the roller 14 and ensuring stable operation.

[0038] Embodiment 2

[0039] An elliptical machine provided in this embodiment is substantially the same as the elliptical machine in Embodiment 1, except that: in this embodiment, as Figure 7 shown, the connecting rod 31 is hinged to the connector 32 through a second hinge shaft 324 perpendicular to the drive shaft 13. The connecting rod 21 is fixedly connected to the connecting sleeve 33, that is, the connecting rod 21 can be directly welded to the connecting sleeve 33. In this way, the connecting rod 31 has a space to swing in the left-right direction relative to the connector 32, and the relative position of the connector 32 and the connecting sleeve 33 can be appropriately adjusted. Even if there are deviations in component dimensions or assembly, it can be corrected by the lateral swinging method of the connecting rod 31, which can well ensure that the connecting sleeve 33 and the drive shaft 13 are coaxial, and ensure the same-direction rotation of the cantilever 21 and the connector 32, ensuring the overall movement is coherent and smooth; it has the characteristics of ingenious improved structure and outstanding effect.

[0040] Embodiment 3

[0041] An elliptical machine provided in this embodiment is substantially the same as the elliptical machine in Embodiment 1 or Embodiment 2, except that: in this embodiment, as Figure 3 shown, the connecting rod 31 is hinged to the connecting sleeve 33 through a first hinge shaft 34 perpendicular to the drive shaft 13, and as Figure 7As shown, the connecting rod 31 is hinged to the connecting head 32 through a second hinge shaft 324 perpendicular to the drive shaft 13. With such a setting, the achieved effect is the same as that of Embodiment 1 or Embodiment 2; both can be corrected by the swinging of the connecting rod 31 in the left and right directions, which can well ensure that the connecting sleeve 33 is coaxial with the drive shaft 13, and ensure the same-direction rotation of the cantilever 21 and the connecting head 32, ensuring the coherence and smoothness of the overall movement; it has the characteristics of ingenious improved structure and outstanding effect.

[0042] Although the present invention has been specifically shown and described in combination with the preferred embodiments, those skilled in the art should understand that various changes can be made to the present invention in terms of form and details without departing from the spirit and scope of the present invention defined by the appended claims, and all are within the protection scope of the present invention.

Claims

1. An elliptical machine, comprising a frame, a damping wheel mechanism, a cantilever, a connecting rod and a pedal group; the damping wheel mechanism is mounted on the frame and is provided with a driving shaft, a roller is sleeved on the driving shaft, the cantilever is hinged on the frame, the pedal group is hinged on the cantilever and slidably abuts against the roller; characterized in that: The drive shaft is also sleeved with a connecting sleeve, and the cantilever is equipped with a connecting head that can rotate in the same direction; the connecting rod is connected between the connecting head and the connecting sleeve, and the connecting rod is hinged with the connecting sleeve through a first hinge axis perpendicular to the drive shaft, and / or the connecting rod is hinged with the connecting head through a second hinge axis perpendicular to the drive shaft.

2. The elliptical machine according to claim 1, characterized in that: The connecting rod is hingedly connected with the connecting sleeve via a first hinge shaft perpendicular to the driving shaft, and the connecting rod is fixedly connected with the connecting head.

3. The elliptical machine according to claim 2, characterized in that: A U-shaped piece is fixed on the connecting sleeve, the connecting rod is inserted into the opening of the U-shaped piece, and the first hinge shaft passes through the side walls of the U-shaped piece and the connecting rod, so that the connecting rod is hinged on the connecting sleeve.

4. The elliptical machine according to claim 2, characterized in that: The connecting head has a sleeve opening, and the connecting rod is sleeved in the sleeve opening of the connecting head and is fixed by plugging with a latch.

5. The elliptical machine according to claim 1, characterized in that: The connecting rod is hingedly connected with the connecting head via a second hinge shaft perpendicular to the driving shaft, and the connecting rod is fixedly connected with the connecting sleeve.

6. The elliptical machine according to claim 5, characterized in that: The connecting rod and the connecting sleeve are an integrally connected structure.

7. The elliptical machine according to claim 1, characterized in that: The connecting rod is located at one side of the pedal group and the cantilever close to the frame.

8. The elliptical machine according to claim 1, characterized in that: The connector is provided with a rotating shaft, the rotating shaft is parallel to the driving shaft, and the connector is rotatably arranged on the cantilever via the rotating shaft.

9. The elliptical machine according to claim 1, characterized in that: The pedal assembly comprises a pedal rod and a pedal fixed on the pedal rod. The pedal rod is hinged on the cantilever and slidably abuts against the roller.

10. The elliptical machine according to claim 1 or 9, characterized in that: The two sides of the roller are provided with radially protruding limiting walls, and the pedal group is limited between the limiting walls on the two sides.

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