CN210331516U

CN210331516U - Electric treadmill with gradient adjusting device

Info

Publication number: CN210331516U
Application number: CN201920938059.3U
Authority: CN
Inventors: 项乐宏; 林涛; 赵大江
Original assignee: Loctek Ergonomic Technology Co Ltd
Current assignee: Loctek Ergonomic Technology Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-17
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses an electric running machine with gradient adjusting device, which comprises a frame of a flat running machine, wherein one end of an electric push rod is hinged with a front beam in a panel of the frame, the other end of the electric push rod is hinged with one end of a connecting rod, the other end of the connecting rod is fixed with the middle part of a rotating rod, the rotating rod is hinged with the frame through a first shaft, two ends of the rotating rod are respectively fixed with the rear end of a first straight rod, the front ends of the two first straight rods are respectively provided with a roller, the electric push rod extends or shortens to jack up or put down the front end of the frame through the connecting rod, the rotating rod and the two first straight rods; the rack comprises a front end frame and two side frames which are connected with the front end frame and extend along the length direction; the bottom parts of the rear ends of the two side frames are respectively provided with a downward convex supporting foot. The slope adjusting device of the treadmill has a simple, compact and stable structure, and the arrangement of the rollers ensures that a runner can adjust the upward slope of the treadmill in the running process in a labor-saving and flexible way.

Description

Electric treadmill with gradient adjusting device

Technical Field

The utility model relates to a body-building apparatus technical field specifically says to an electronic treadmill with slope adjusting device.

Background

The electric treadmill is also called as an electric walking machine, generally comprises a running platform, a running board, a first roller which is driven by an electric drive and a transmission mechanism and is arranged at one end of the running board, such as the front end, and a running belt which is tensioned on the first roller and a second roller and covers the two running boards, namely the first running board and the second running board.

In order to be closer to an outdoor running environment and improve the body building effect of running or walking, a slope adjusting device is added to some treadmills, the treadmills are generally inclined from low back to high front, and the inclination of the slope is generally 2-8 degrees.

However, the prior art electric treadmill with a gradient adjusting device still has the following disadvantages: 1. generally, a cylinder, an oil cylinder or a lead screw pair is adopted as a lifting device, and the lifting device is relatively complex in structure and large in size. 2. The lifting process, especially the running process, is relatively laborious and inflexible when the whole front end of the whole treadmill is lifted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a flexible electronic treadmill with slope adjusting device of the whole lifting of tip is laborsaving relatively before treadmill and goes up and down.

The technical solution of the utility model is that, a electronic treadmill with slope adjusting device is provided, including flat treadmill's frame, an electric putter's one end is articulated with the front beam in the panel of frame, and electric putter's the other end is articulated with the one end of a connecting rod, and the other end of connecting rod is fixed with the middle part of a bull stick, and the bull stick is articulated through the primary shaft and frame, and the both ends of bull stick are fixed with the rear end of a first straight-bar separately, and the front end of two first straight-bars respectively has a gyro wheel, electric putter extension or shorten in order to jack-up or put down the frame front end through connecting rod, bull stick, two first straight-bars.

After the structure above the adoption, the utility model has the advantages of slope adjusting device's electronic treadmill has: the lifting device adopts an electric push rod, the size is small, particularly, the structure of the whole gradient adjusting device is simple, compact and stable, and due to the arrangement of the rollers, a runner can integrally lift the front end part of the treadmill in the running process and then drive the whole treadmill to adjust the forward-inclined upward gradient through the rack, so that the treadmill is relatively labor-saving and flexible.

Further, the first shafts are rotatably matched in the first through holes of the first side plates of the respective first hinge seats, and the respective first hinge seats are connected with the rack. After the structure is adopted, the hinge structure of the rotating rod and the rack is simple, stable and flexible in rotation.

Furthermore, a U-shaped second hinged seat formed by two second side plates and a first back plate is fixed on the front cross beam, one end of the electric push rod is in rotating fit with the second shaft, and the second shaft is fixed with respective second through holes of the two second side plates of the second hinged seat. After the structure is adopted, the hinge structure of one end of the electric push rod and the rack is simple, stable and flexible in rotation.

Furthermore, the connecting rod constitute by two third curb plates and the roof of covering part third curb plate, the connecting rod does not establish the anterior segment of roof and constitutes third hinge joint seat, electric putter's the other end and third axle normal running fit, the third axle is fixed with the third through-hole respectively of two third curb plates of third hinge joint seat. After adopting above structure, the simple structure of connecting rod, economize the material, firm, the rotation of the other end of electric putter and connecting rod is nimble.

Furthermore, a U-shaped fourth hinged seat formed by two fourth side plates and a second back plate is fixed at the front ends of the two first straight rods, a central hole of the roller is in rotating fit with a fourth shaft, and the fourth shaft is fixed with fourth through holes of the two fourth side plates of the fourth hinged seat. After the structure is adopted, the connecting structure of the roller and the straight rod is simple and stable, and the roller rolls flexibly.

Furthermore, the bottom of each second straight rod fixed at the two ends of the front cross beam is respectively fixed with a height limiting column. After the structure is adopted, the included angle of slope adjustment can be controlled to be 2-8 degrees, and when the running board is 2 degrees relative to the horizontal plane, the height limiting column is abutted against the upper plane of the second straight rod, so that the lower limit of the angle is limited.

Furthermore, the frame includes a front end frame and two side frames connected with the front end frame and extending along the length direction. After the structure is adopted, the whole rack is relatively simple in structure, material-saving and relatively convenient to manufacture and install.

Furthermore, the bottom parts of the rear ends of the two side frames are respectively provided with a downward convex supporting foot. After the structure is adopted, the two supporting feet are used as fulcrums to be positioned on the ground, when the two first straight rods downwards roll backwards and the idler wheels roll backwards to drive the front end frame to lift, the whole frame has a lever labor-saving effect by taking the supporting feet as the fulcrums, and labor saving and flexibility when the front end part of the treadmill is integrally lifted and then the whole treadmill is driven by the frame to adjust the forward-inclined upward slope are further ensured.

Drawings

Fig. 1 is a schematic view of the whole structure of the treadmill of the present invention (the gradient adjusting device is in a lower limit state).

Fig. 2 is a schematic structural view of the panel of fig. 1 taken away.

Fig. 3 is a schematic side view of the treadmill of the present invention (the gradient adjusting device is in the upper limit state).

Fig. 4 is a schematic perspective view of a first gradient adjustment device in the treadmill of the present invention (the first gradient adjustment device is in a lower limit state).

Fig. 5 is a side view of the structure of fig. 4.

Fig. 6 is a schematic view of a second three-dimensional structure of the slope adjustment device in the treadmill of the present invention (the slope adjustment device is in an upper limit state).

Fig. 7 is a side view schematic of the structure of fig. 6.

Shown in the figure are 1, a machine frame, 2, a supporting foot, 3, a side frame, 4, a front end frame, 5, a roller, 6, a first straight rod, 7, a rotating rod, 8, a connecting rod, 9, a first hinge seat, 10, a first shaft, 11, an electric push rod, 12, a second through hole, 13, a second shaft, 14, a second side plate, 15, a first back plate, 16, a front cross beam, 17, a second hinge seat, 18, a first side plate, 19, a first through hole, 20, a height limiting column, 21, a top plate, 22, a third side plate, 23, a third shaft, 24, a third through hole, 25, a fourth side plate, 26, a second back plate, 27, a fourth shaft, 28, a fourth through hole, 29, a fourth hinge seat, 30 and a second straight rod.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The electric treadmill is also called as an electric walking machine, generally comprises a running platform, a running board, a first roller which is driven by an electric drive and a transmission mechanism and is arranged at one end of the running board, such as the front end, and a running belt which is tensioned on the first roller and a second roller and covers the two running boards, namely the first running board and the second running board. In order to be closer to the outdoor running environment and improve the body-building effect of running or walking, the treadmill is provided with a slope adjusting device which inclines from low back to high front, and the inclination of the slope is generally 2-8 degrees.

As shown in fig. 1, 2, 3, 4, 5, 6 and 7

The utility model discloses electronic treadmill with slope adjusting device, frame 1 including flat treadmill. The frame 1 of the flat plate type treadmill means that the front end of the frame has no vertical frame, for example, an office table is arranged above the treadmill so as to adapt to running or walking and working at the same time. The frame 1 may include a front frame 4 and two side frames 3 connected to the front frame 4 and extending in a length direction.

One end of an electric push rod 11 is hinged with a front cross beam 16 in a panel of the rack 1, the other end of the electric push rod 11 is hinged with one end of a connecting rod 8, the other end of the connecting rod 8 is fixed with the middle of a rotating rod 7 in a welding mode, the rotating rod 7 is hinged with the rack 1 through a first shaft 10, two ends of the rotating rod 7 are fixed with the rear end of a first straight rod 6 in a welding mode respectively, the front ends of the two first straight rods 6 are provided with a roller 5 respectively, and the electric push rod 11 extends or shortens to jack up or put down the front end of the rack 1 through the connecting rod 8, the rotating rod 7 and the two first straight rods 6.

The rotating rods 7 are hinged with the frame 1 through first shafts 10, and preferably the first shafts 10 are rotatably fitted in first through holes 19 of first side plates 18 of the respective first hinge seats 9. Of course, the rotating rod can also be a hollow tube, the rotating rod is rotatably connected with the first shaft, and two ends of the first shaft are fixed with the first through hole on the first side plate in an interference fit manner. The respective first hinge seats 9 are connected to the frame 1, for example, the first hinge seats 9 are screwed to the side frames of the frame 1.

One end of the electric push rod 11 is hinged with a front cross beam 16 in a panel of the frame 1, preferably, a U-shaped second hinged seat 17 formed by two second side plates 14 and a first back plate 15 is fixed on the front cross beam 16, one end of the electric push rod 11 is in running fit with a second shaft 13, and the second shaft 13 is fixed with respective second through holes 12 of the two second side plates 14 of the second hinged seat 17 in interference fit. Of course, the following structure may also be adopted: one end of the electric push rod is fixed with the second shaft, if the second shaft is in interference fit with the hole at the end, the second shaft is in running fit with the second through hole of the respective second side plate of the second hinged seat.

The connecting rod 8 is composed of two third side plates 22 and a top plate 21 covering a part of the third side plates 22, and a front section of the connecting rod 8 without the top plate 21 forms a third hinge seat. The other end of the electric push rod 11 is hinged with one end of a connecting rod 8, preferably, the other end of the electric push rod 11 is in running fit with a third shaft 23, and the third shaft 23 is fixed with respective third through holes 24 of two third side plates 22 of a third hinged seat in an interference fit manner. The following structure may also be employed: the other end of the electric push rod is fixed with the third shaft if the third shaft is in interference fit with the hole at the other end, and the third shaft is in running fit with the third through holes of the two third side plates of the third hinge seat respectively.

The front ends of the two first straight bars 6 are fixed with a U-shaped fourth hinge seat 29 formed by two fourth side plates 25 and a second back plate 26. The roller 5 is rotatably engaged with the fourth hinge seat 29, preferably, the central hole of the roller 5 is rotatably engaged with the fourth shaft 27, and the fourth shaft 27 is fixed, for example, in an interference fit, with the respective fourth through holes 28 of the two fourth side plates 25 of the fourth hinge seat 29. Of course, the fourth shaft may be fixed to the roller such as a key and a key slot, and the fourth shaft may be rotatably fitted to the respective fourth through holes of the two fourth side plates.

The bottom of each second straight rod 30 fixed, e.g., welded, to the two ends of the front cross member 16 is fixed with a height-limiting post 20. The limiting column can be designed into a structure with adjustable height, such as a structure that an external thread is arranged on the limiting column and is screwed with a threaded hole on the second straight rod bottom plate.

The bottom parts of the rear ends of the two side frames 3 are respectively provided with a downward convex supporting leg 2 which can be screwed or welded.

It is understood that the remote control and the main controller and the electrical connection relationship with the electric push rod are prior art and thus are not described in detail.

The runner or the walker needs to heighten or lower the height of the front end of the frame to adjust the inclination angle of the whole treadmill, and can send a remote control signal to the main controller, and the main controller controls the electric push rod 11 to extend or shorten so as to jack up or put down the front end of the frame 1 through the connecting rod 8, the rotating rod 7 and the two first straight rods 6, so as to realize the adjustment of the gradient of the treadmill between 2 degrees and 8 degrees.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric treadmill with gradient adjustment device, comprising a frame (1) of a flat treadmill, characterized in that: the one end of an electric putter (11) is articulated with front beam (16) in the panel of frame (1), and the other end of electric putter (11) is articulated with the one end of a connecting rod (8), and the other end of connecting rod (8) is fixed with the middle part of a bull stick (7), and bull stick (7) are articulated with frame (1) through primary shaft (10), and the both ends of bull stick (7) are fixed with the rear end of a first straight rod (6) respectively, and the front end of two first straight rods (6) respectively has a gyro wheel (5), electric putter (11) extension or shorten in order to jack-up or put down the front end of frame (1) through connecting rod (8), bull stick (7), two first straight rods (6).

2. The treadmill of claim 1, wherein the means for adjusting the incline comprises: the first shafts (10) are rotatably matched in first through holes (19) of the first side plates (18) of the respective first hinge seats (9), and the respective first hinge seats (9) are connected with the rack (1).

3. The treadmill of claim 1, wherein the means for adjusting the incline comprises: the front cross beam (16) is fixed with a U-shaped second hinged seat (17) formed by two second side plates (14) and a first back plate (15), one end of the electric push rod (11) is in running fit with the second shaft (13), and the second shaft (13) is fixed with respective second through holes (12) of the two second side plates (14) of the second hinged seat (17).

4. The treadmill of claim 1 or 3, wherein the gradient adjustment device comprises: connecting rod (8) constitute by roof (21) of two third curb plates (22) and covering part third curb plate (22), the anterior segment that roof (21) were not established in connecting rod (8) constitutes the third hinge seat, electric putter's (11) other end and third axle (23) normal running fit, third axle (23) are fixed with respective third through-hole (24) of two third curb plates (22) of third hinge seat.

5. The treadmill of claim 1, wherein the means for adjusting the incline comprises: the front ends of the two first straight rods (6) are fixedly provided with U-shaped fourth hinged seats (29) formed by two fourth side plates (25) and a second back plate (26), the central hole of the roller (5) is in running fit with a fourth shaft (27), and the fourth shaft (27) is fixed with respective fourth through holes (28) of the two fourth side plates (25) of the fourth hinged seats (29).

6. The treadmill of claim 4, wherein the means for adjusting the incline comprises: the bottoms of the second straight rods (30) fixed with the two ends of the front cross beam (16) are respectively fixed with a height limiting column (20).

7. The treadmill of claim 4, wherein the means for adjusting the incline comprises: the frame (1) comprises a front end frame (4) and two side frames (3) which are connected with the front end frame (4) and extend along the length direction.

8. The treadmill of claim 7, wherein: the bottoms of the rear ends of the two side frames (3) are respectively provided with a downward convex supporting foot (2).