CN218248322U

CN218248322U - Lifting mechanism of running machine

Info

Publication number: CN218248322U
Application number: CN202221648201.9U
Authority: CN
Inventors: 黄坤平; 项日成; 彭星伟
Original assignee: Beijing Kingsmith Technology Co Ltd
Current assignee: Beijing Kingsmith Technology Co Ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-01-10
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a treadmill lifting mechanism belongs to the treadmill field for the inclination of adjustment treadmill. The treadmill lifting mechanism comprises a rotating rod, the rotating rod is rotatably connected to a main frame of the treadmill, and the rotating rod is provided with support legs for contacting with the ground; the stabilizer blade includes the eccentric part that extrudes from the dwang side, and the eccentric part end is formed with the supporting part of downwardly extending, is formed with the acute angle between eccentric part and the supporting part. The lifting mechanism of the treadmill of the utility model, because the support leg is provided with the eccentric part and the supporting part, the support leg is C-shaped, and compared with the traditional straight rod support leg, the lifting mechanism of the treadmill has better stress and is not easy to damage; and because the support legs are C-shaped, the openings for the support legs to extend out of the main frame can be correspondingly reduced, so that the treadmill is more attractive.

Description

Lifting mechanism of running machine

Technical Field

The utility model relates to a treadmill especially relates to a treadmill mechanism of raising.

Background

Running exercise becomes a project which is suitable for all people, outdoor weather is bad, and a body-building plan is not needed to be interrupted, so that the running machine becomes a favorite running body-building mode for people, and the running machine is a necessary body-building apparatus for a plurality of gymnasiums and a necessary magic device for running body-building of a plurality of families. The treadmill can be divided into a mechanical treadmill and an electric treadmill, and the mechanical treadmill is driven by the friction force between the feet of a runner and a running belt to run; the electric treadmill drives the running belt through the motor to make people run or walk passively at different speeds.

Current treadmill by as the body frame of base, install race platform, handrail and control platform on the body frame and constitute, its race platform parallel fixation forms the exercise plane of walking or running on the base, when this exercise plane uses, can also realize climbing through raising mechanism and temper the function.

The lifting mechanism of the existing treadmill mainly comprises a lifting frame, one end of the lifting frame is hinged on a main frame through a rotating shaft, and the other end of the lifting frame is used for contacting with the ground. The lifting frame is driven by the telescopic rod to rotate, the motor drives the telescopic rod to realize the telescopic function through the gear transmission, and the tail end of the telescopic rod is also eccentrically hinged on the lifting frame so as to drive the lifting frame to rotate. When the lifting frame rotates, the included angle between the lifting frame and the ground is changed, the height of the main frame rotating shaft away from the ground is further changed, the inclined angle of the running platform on the main frame is changed, and the effect of adjusting the inclined angle of the running platform according to different conditions of users is achieved.

However, in the existing lifting mechanism, the supporting legs arranged along the radial direction directly extend out of the rotating shaft of the lifting mechanism, and the supporting legs are stressed at different angles due to the rotation of the supporting legs. As the user runs on the running board for a long time, the legs are prone to bending, or even failure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a treadmill lifting mechanism can solve the technical problem that the lifting frame is easy to bend and lose efficacy after long-term use. The specific technical scheme is as follows:

a treadmill lifting mechanism is used for adjusting the inclination angle of a treadmill and comprises a rotating rod, the rotating rod is rotatably connected to a main frame of the treadmill, and a support leg used for contacting with the ground is arranged on the rotating rod; the stabilizer blade includes the eccentric part that extrudes from the dwang side, and the eccentric part end is formed with the supporting part of downwardly extending, is formed with the acute angle between eccentric part and the supporting part.

Further, the eccentric portion becomes wider as it approaches the rotating lever.

Furthermore, the supporting legs comprise outer plates which are oppositely arranged, and reinforcing plates which are overlapped layer by layer are fixedly connected between the two outer plates.

Further, the reinforcing plate fills the gap between the two outer plates.

Furthermore, a fixing part is arranged on the supporting leg, the middle part of the fixing part penetrates through the outer plate and the reinforcing plate, and blocking heads are arranged at two ends of the fixing part to fix the outer plate and the reinforcing plate.

Furthermore, an opening for the support part to extend out is formed on the main frame.

Furthermore, one end of the support leg, which is far away from the rotating rod, is provided with a rolling roller; the roller rolls on the ground with the angle of the adjustable support leg.

Further, the main frame is fixedly connected with a fixed shaft, and the rotating rod is provided with a connecting hole for inserting the fixed shaft, so that the rotating rod rotates around the fixed shaft.

Furthermore, a telescopic device is arranged on the main frame, one end of the telescopic device is hinged with the main frame, and the other end of the telescopic device is hinged with the rotating rod so as to drive the rotating rod to swing.

Furthermore, the middle part of the rotating rod is provided with a protruding hinged seat, and one end of the hinged seat, which is far away from the rotating rod, is hinged with the telescopic rod.

The utility model discloses a treadmill lifting mechanism has following advantage:

1. the eccentric part and the supporting part are arranged on the support leg, so that the support leg is C-shaped, and compared with the traditional straight rod support leg, the support leg is better stressed and is not easy to damage; moreover, because the support legs are C-shaped, the openings for the support legs to extend out of the main frame can be correspondingly reduced, so that the treadmill is more attractive;

2. the reinforcing plate is arranged to make the support legs solid, so that the strength of the support legs is enhanced, the support legs are not easy to damage, and the support legs are easier to machine and form compared with the support legs which are integrally arranged, for example, the outer plate and the reinforcing plate are directly connected and fixed by using rivets as fixing parts;

3. because the fixed axle that erects the dwang is fixed with the body frame, consequently can effectively offset the torsion that the dwang rotated and brought, guarantee fixed axle and body frame firm in connection.

Drawings

FIG. 1 is a schematic view of a treadmill of the present invention;

fig. 2 is a schematic structural view of the lifting mechanism of the running machine of the present invention;

FIG. 3 is an exploded view of the lifting mechanism of the treadmill of the present invention;

fig. 4 is a schematic structural view of the lifting frame of the present invention;

FIG. 5 is a schematic view of the installation of the fixing shaft of the present invention;

fig. 6 is a schematic structural view of the main shaft of the present invention;

fig. 7 is a schematic structural view of the telescopic device of the present invention.

The notation in the figure is:

1. a main frame; 11. an opening; 12. running a platform; 13. a foot pad; 14. a sleeve; 141. a through hole; 15. mounting a plate; 2. rotating the rod; 21. a hinged seat; 3. a support leg; 31. an eccentric portion; 32. a support portion; 33. an outer plate; 34. a reinforcing plate; 35. a fixing member; 36. a roller; 4. a fixed shaft; 41. a screw hole; 5. a telescopic device; 51. a mounting seat; 52. a hoisting motor; 53. a telescopic rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

As shown in figure 1, the utility model discloses a treadmill lifting mechanism for adjusting the inclination angle of the treadmill, which comprises a lifting frame hinged on a main frame 1. The main frame 1 serves as a base of the treadmill and is used for bearing various parts of the treadmill. The main frame 1 is provided with a running platform 12 for a user to run on. The handrail and the control platform are further installed at the front end of the main frame 1 and used for keeping balance and controlling the running machine when a user runs.

Referring to fig. 2 and 3, the lifting frame is installed on the front side of the main frame 1, and the foot pad 13 is installed on the rear side of the main frame 1. The main frame 1 is supported on the ground through the lifting frame at the front side and the foot pad 13 at the rear side. The ground is generally referred to as the surface on which the treadmill is placed, and should not be construed narrowly as the surface of the ground. And because the lifting frame can rotate, change the contained angle that lifts frame and ground to make body frame 1 use callus on the sole 13 as the fulcrum, adjust the angle of inclination of body frame 1, with the slope demand that satisfies different users.

Specifically, as shown in fig. 4, the lifting frame includes a rotating rod 2, the rotating rod 2 is rotatably connected to the main frame 1, and the rotating rod 2 is provided with support legs 3 for contacting the ground. In order to ensure the stress balance of the treadmill, the support feet 3 are symmetrically arranged on the rotating rod 2, thereby stably supporting the treadmill.

The leg 3 includes an eccentric portion 31 protruding from a side surface of the rotating lever 2 in shape, a support portion 32 extending downward is formed at a tip of the eccentric portion 31, and an included angle is formed between the eccentric portion 31 and the support portion 32, and the included angle is an acute angle. Therefore, the supporting legs 3 are in a C shape, and compared with the supporting legs in a straight rod shape, the stress condition of the C-shaped supporting legs 3 is better. And the impact on the lifting frame is generated along with the running of the user on the running machine, and certain impact force can be absorbed by utilizing the slight elastic deformation of the C-shaped support legs 3, so that the stability of the running machine is ensured. In order to save material while ensuring the strength of the foot 3, the eccentric portion 31 is gradually widened toward the rotating lever 2.

The main frame 1 is formed with an opening 11 for the support portion 32 to extend out, and the eccentric portion 31 is disposed to make the support portion 32 eccentrically disposed with respect to the rotating rod 2, so that the support portion 32 can be moved in and out only by opening a smaller opening 11 with respect to the straight rod-shaped support leg. Not only ensures the strength of the surface plate of the main frame 1, but also makes the treadmill more beautiful and is not easy to enter insects and dust.

In the connection structure, the supporting foot 3 includes outer plates 33 disposed opposite to each other, and reinforcing plates 34 stacked one on another are fixedly connected between the outer plates 33. By filling the gap between the two outer plates 33 with the reinforcing plate 34, the strength of the foot 3 can be effectively enhanced, preventing the foot 3 from being damaged beyond the fatigue strength. In order to fix the outer plate 33 and the reinforcing plate 34, a fixing member 35 may be used, the middle portion of the fixing member 35 penetrates through the outer plate 33 and the reinforcing plate 34, and stoppers are provided at both ends of the fixing member 35 to fix the outer plate 33 and the reinforcing plate 34. Conventional fasteners 35 such as rivets, bolts and nuts may be used. Generally, two fasteners 35 are provided for each of the eccentric portion 31 and the support portion 32 to secure the connection between the outer plate 33 and the reinforcing plate 34.

The end of the foot 3 remote from the swivelling lever 2 is provided with a rollable roller 36. Specifically, a wheel shaft is erected between the two outer plates 33, and the roller 36 is sleeved outside the wheel shaft, so that when the angle of the lifting frame is adjusted, the roller 36 rolls on the ground to reduce friction force, and the angle of the lifting frame is convenient to adjust.

As shown in fig. 5 and 6, in order to rotatably couple the rotating lever 2 to the main frame 1, the main frame 1 is fixedly coupled with the fixing shaft 4, and the rotating lever 2 is provided with a coupling hole into which the fixing shaft 4 is inserted so that the rotating lever 2 is rotated around the fixing shaft 4. In order to ensure the stability of the rotating rod 2, the fixing shafts 4 are oppositely arranged at the two ends of the rotating rod 2, so that the two ends of the rotating rod 2 are erected. And because fixed axle 4 is fixed relative body frame 1, use the bolt as fixed axle 4 directly to install dwang 2 among the prior art, can not be because of the not hard up structure failure of screw thread at the in-process of the repeated angle regulation of lift frame.

In order to ensure that the main frame 1 and the fixing shaft 4 are firmly fixed, a non-detachable fixing mode such as welding can be adopted, but the lifting frame is not convenient to detach and maintain. Therefore, the fixed shaft 4 is detachably and fixedly connected with the main frame 1, such as riveted joint, bolt joint and the like. Preferably, the fixing shaft 4 is connected with a set screw of the main frame 1.

As the main frame 1 is a hollow frame, the main frame 1 is provided with a positioning hole, and a sleeve 14 is fixedly connected in the positioning hole. One end of the sleeve 14 is provided with an edge which is abutted against the surface of the main frame 1, so that the sleeve 14 is positioned after being inserted into the positioning hole and then welded to finish the fixation. The fixing shaft 4 is sleeved and fixed in the sleeve 14 so as to be fixedly connected. The fixing shaft 4 is provided with a screw hole 41 arranged in a radial direction, a through hole 141 corresponding to the screw hole 41 is formed in a side surface of the sleeve 14, and a bolt penetrates through the through hole 141 and is threadedly coupled with the screw hole 41, thereby fixing the fixing shaft 4 and preventing the fixing shaft 4 from rotating. And since the bolts are arranged in the radial direction of the fixed shaft 4 and fix the fixed shaft 4. Therefore, the rotating torque received by the fixing shaft 4 is converted into a shearing force of the bolt, and the fixing shaft 4 can be effectively prevented from rotating.

And one end of the fixed shaft 4 is also provided with an outer edge which is abutted with the end surface of the sleeve 14, so that the screw hole 41 is aligned with the through hole 141.

In order to drive the lifting frame to swing, the main frame 1 is provided with a telescopic device 5, one end of the telescopic device 5 is hinged with the main frame 1, and the other end of the telescopic device is hinged with the rotating rod 2 so as to drive the rotating rod 2 to rotate.

Referring to fig. 7, the telescopic device 5 includes a mounting base 51, a lifting motor 52 is disposed on one side of the mounting base 51, and a telescopic rod 53 is disposed on the other side; the lifting motor 52 drives the telescopic rod 53 to extend and retract through a gear set. Wherein the mounting seat 51 is articulated on the main frame 1 and the telescopic rod 53 is articulated on the swivelling lever 2. Of course, if space is sufficient, it is also possible that the mounting seat 51 is hinged to the swivelling lever 2 and the telescopic rod 53 is hinged to the main frame 1.

And the main frame 1 is formed with opposite mounting plates 15, and the mounting plates 15 are hinged with the mounting seats 51 through first connecting shafts. And the middle part of the rotating rod 2 is formed with a protruded hinge seat 21, and one end of the hinge seat 21 far away from the rotating rod 2 is provided with a second connecting shaft and is hinged with the telescopic rod 53 through the second connecting shaft. Thereby setting up the eccentric volume through articulated seat 21, driving the swing of lift frame through telescopic link 53.

The working process is as follows:

the support portions 32 of the legs 3 protrude from the opening 11 of the main frame 1 and are supported on the ground by the rollers 36. Starting the telescopic device 5, making the telescopic rod 53 flexible, pulling the hinged seat 21, making the dwang 2 swing around the fixed axle 4 to the angle of adjustment stabilizer blade 3 and ground makes the 12 inclination angles of running platform on the body frame 1 change, reaches and adjusts the effect of running 12 inclination angles according to the user different situation.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A treadmill lifting mechanism is used for adjusting the inclination angle of a treadmill and is characterized by comprising a rotating rod, wherein the rotating rod is rotatably connected to a main frame of the treadmill, and the rotating rod is provided with support legs for contacting with the ground; the stabilizer blade includes the eccentric part that extrudes from the dwang side, and the eccentric part end is formed with the supporting part of downwardly extending, is formed with the acute angle between eccentric part and the supporting part.

2. A treadmill lift mechanism as recited in claim 1, wherein the eccentric portion widens progressively closer to the pivot rod.

3. A treadmill lift mechanism as recited in claim 1, wherein the support legs comprise opposing outer plates and a plurality of stacked reinforcement plates secured between the outer plates.

4. A treadmill lift mechanism as recited in claim 3 wherein the reinforcement panel fills the gap between the outer panels.

5. The lifting mechanism of a treadmill as recited in claim 3, wherein the support legs are provided with a fixing member, the middle portion of the fixing member extends through the outer plate and the reinforcement plate, and the fixing member is provided with stoppers at both ends thereof for fixing the outer plate and the reinforcement plate.

6. A treadmill lift mechanism as recited in claim 1, wherein the main frame defines an opening through which the support portion extends.

7. A treadmill lift mechanism as recited in claim 1, wherein the end of the foot remote from the pivot rod is provided with a roller that is capable of rolling; the roller rolls on the ground with the angle of the adjustable support leg.

8. The treadmill lift mechanism of claim 1, wherein the main frame is fixedly coupled to a stationary shaft, and the rotatable shaft is provided with a coupling hole into which the stationary shaft is inserted to rotate the rotatable shaft about the stationary shaft.

9. A treadmill lift mechanism as recited in claim 1, wherein the main frame is provided with a retractor, one end of the retractor being pivotally connected to the main frame and the other end being pivotally connected to the pivotal lever for pivoting the pivotal lever.

10. A treadmill lift mechanism as claimed in claim 9, wherein a protruding hinge seat is formed in the middle of the rotatable lever, the hinge seat being hinged to the telescoping lever at an end thereof remote from the rotatable lever.