CN220938949U

CN220938949U - Lifting mechanism of running machine

Info

Publication number: CN220938949U
Application number: CN202322574195.8U
Authority: CN
Inventors: 胡强
Original assignee: Hangzhou Yipao Health Technology Co ltd
Current assignee: Hangzhou Yipao Health Technology Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-05-14
Anticipated expiration: 2033-09-21

Abstract

The utility model discloses a treadmill lifting mechanism, which comprises a lifting motor and a treadmill support, wherein the front end of the treadmill support is provided with a rotating shaft, a sleeve pipe of the lifting motor is connected with the middle part of the rotating shaft through a first swing arm, two ends of the rotating shaft are respectively provided with a second swing arm, the end part of each second swing arm is provided with a lifting wheel, when the sleeve pipe stretches out or contracts, the lifting wheels are driven to prop up or retract, and when the lifting wheels prop up, the front end of the treadmill support is jacked up by the lifting wheels from the ground; when the lifting wheel is retracted, the front end of the running platform bracket is put down to the ground. According to the utility model, through the cooperation of the lifting motor, the rotating shaft, the first swing arm and the second swing arm, the second swing arm and the lifting wheel can rotate around the rotating shaft as the center and lift the front end of the running platform bracket from the ground, so that the whole structure is simple, the lifting motor is directly matched with the ground to lift, a plurality of brackets are not required to be arranged, and the weight is lighter.

Description

Lifting mechanism of running machine

Technical Field

The utility model relates to the field of treadmills, in particular to a lifting mechanism of a treadmill.

Background

At present, a running machine capable of lifting is more and more popular, but the bottom of the existing lifting running machine generally needs at least two brackets, one bracket is supported on the ground, the other bracket is movably connected with the other bracket to adjust the gradient, for example, an electric running machine front lifting structure device with the application number of 200520014346.3 is provided, one end of a lifting motor device is pivoted at the front end of a running table main frame, the other end of the lifting motor device is pivoted on a U-shaped fixed pay-and pay-off of the lifting bracket, a base frame and the running table main frame are connected together by a connecting bracket, the lower end of the connecting bracket is pivoted on the pivoting end of the base frame, the upper end of the connecting bracket is pivoted on two sides of the bottom of the running table main frame, the connecting bracket is pivoted on two lower side points of the base frame and two upper side points of the running table main frame are used as positioning points, and when the lifting motor device is started to act, the lifting bracket is pivoted on the bottom of the running table main frame and the other end of the lifting motor device is pressed on an M-shaped sliding rail surface of the base frame to be used as a movable point. Can achieve the function of adjusting the elevation angle of the main frame of the running platform relative to the horizontal plane. Such a lifting structure device requires a plurality of brackets to be connected and matched, and has the advantages of complex structure, large overall weight and high cost.

Disclosure of utility model

In order to overcome the defects, the utility model provides the treadmill lifting mechanism which has a simple structure and can lift the treadmill support without additionally arranging a base frame.

The technical scheme of the utility model is as follows:

The utility model provides a treadmill elevating system, including elevating motor and treadmill support, be equipped with the pivot at the front end of treadmill support, the sleeve pipe of elevating motor is connected with the middle part of pivot through first swing arm, still be equipped with the second swing arm respectively at the both ends of pivot, the tip of every second swing arm all is equipped with the elevating wheel, when the sleeve pipe stretches out or contracts, first swing arm drives the pivot and rotates, the pivot drives the second swing arm of both sides and rotates, thereby drive the elevating wheel of second swing arm tip and prop up or pack up, and because the rear end of treadmill support is placed in ground, therefore when the elevating wheel props up, the treadmill support front end is propped up, make the treadmill have certain slope; when the lifting wheel is retracted, the front end of the running platform support falls to the ground.

Preferably, a rotating shaft sleeve is sleeved on the rotating shaft, the rotating shaft sleeve is fixed on the running table support, and when the sleeve stretches, the rotating shaft rotates in the rotating shaft sleeve. The general pivot cover has two, and the symmetry sets up in first swing arm both sides to when guaranteeing that the pivot rotates, the stability of race table support lift.

Preferably, the lifting wheel is positioned outside the running platform support, grooves for the second swing arm to pass through are formed in the bottom and the front end of the running platform support, and when the lifting wheel is retracted, the lifting wheel is positioned in front of the running platform support, at the moment, the bottoms of the front end and the rear end of the running platform support are in contact with the ground, and the running platform support is horizontally arranged on the ground; when the lifting wheel is lifted, the lifting wheel gradually moves towards the lower part of the running platform support, the front end of the running platform support is lifted off the ground, only the rear end of the running platform support is in contact with the ground, the lifting wheel gradually moves towards the lower part of the running platform support, the included angle between the running platform support and the ground gradually becomes larger, and when the second swing arm is vertical to the ground, the gradient of the running platform support is the largest.

Preferably, the sleeve is hinged with the first swing arm, and the first swing arm and the second swing arm are fixedly connected with the rotating shaft.

Preferably, the included angle a between the lifting motor and the running table support is 10-17 degrees when the lifting motor is installed.

Preferably, the included angle a between the lifting motor and the running platform bracket is 15 degrees when the lifting motor is installed.

Preferably, the number of lifting wheels at the end part of each second swing arm is two, and the two lifting wheel pairs are locked into a group, so that the stability during lifting is ensured.

The beneficial effects of the utility model are as follows:

According to the utility model, through the cooperation of the lifting motor, the rotating shaft, the first swing arm and the second swing arm, the second swing arm and the lifting wheel can rotate around the rotating shaft as a center and lift the front end of the running platform bracket from the ground, so that the whole structure is simple, and the weight is lighter;

According to the utility model, the lifting wheel is in contact with the ground and supports the running table support, and the lifting wheel can directly roll on the ground when in position change in the process of rotating the second swing arm, so that on one hand, the second swing arm can rotate more smoothly, and on the other hand, noise is not easy to generate.

Drawings

The utility model will now be described by way of example and with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of the present utility model with the lift wheel retracted;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a side view of the utility model with the lift wheel stowed;

FIG. 4 is an enlarged view of part B of FIG. 3;

FIG. 5 is a schematic perspective view of the utility model with the lifting wheel set up;

FIG. 6 is an enlarged view of part C of FIG. 5;

FIG. 7 is a side view of the utility model with the lifting wheel set up;

FIG. 8 is an enlarged view of portion D of FIG. 7;

Fig. 9 is a top view of the front end of the treadmill support.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two elements; the fixed connection can be welding, screwing or cementing. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The lifting mechanism of the running machine shown in figures 1-8 comprises a lifting motor 1 and a running table support 2, wherein the lifting motor is arranged at the front end of the running table support, and an included angle a between the lifting motor 1 and the running table support 2 is 15 degrees when the lifting motor 1 is arranged. The front end of the running table support 2 is also provided with a rotating shaft 3, a sleeve 11 of the lifting motor 1 is connected with the middle part of the rotating shaft 3 through a first swing arm 4, the sleeve is hinged with the first swing arm, and the first swing arm is fixedly connected with the rotating shaft. The two ends of the rotating shaft 3 are also respectively provided with a second swing arm 5, the end part of each second swing arm 5 is provided with a lifting wheel 6, when the sleeve 11 stretches out or contracts, the first swing arm drives the rotating shaft to rotate, and the rotating shaft drives the second swing arms on two sides to rotate, so that the lifting wheels 6 at the end parts of the second swing arms are driven to prop up or retract, and the rear end of the running table support is placed on the ground, so that the front end of the running table support is supported when the lifting wheels prop up, and the running table has a certain gradient; when the lifting wheel is retracted, the front end of the running platform support falls to the ground. The lifting wheel 6 is positioned outside the running platform support 2, and grooves for the second swing arm 5 to pass through when rotating are formed in the bottom and the front end of the running platform support 2. As shown in fig. 1-4, when the sleeve is contracted and the lifting wheel is retracted, the sleeve is positioned in front of the running table support, at the moment, the bottoms of the front end and the rear end of the running table support are contacted with the ground, and the running table support is horizontally arranged on the ground; as shown in fig. 5 to 9, when the sleeve is pushed out and the lifting wheel is lifted, the sleeve gradually moves to the lower side of the running platform support, and the front end of the running platform support is lifted off the ground, so that only the rear end of the running platform support is contacted with the ground, and as the lifting wheel gradually moves to the lower side of the running platform support, the included angle between the running platform support and the ground gradually becomes larger, and when the second swing arm is vertical to the ground, the gradient of the running platform support is the largest. In addition, the rotating angle of the second swing arm can be controlled through the travel of the sleeve, so that the second swing arm is perpendicular to the ground only when the sleeve extends out of the maximum distance, and the overlarge rotating angle of the second swing arm can be avoided.

Two rotating shaft sleeves 7 are sleeved on the rotating shaft 3, the rotating shaft sleeves 7 are symmetrically arranged on two sides of the first swing arm, the rotating shaft sleeves 7 are fixed on the running table support 2, and when the sleeve stretches, the rotating shaft rotates in the rotating shaft sleeves so as to ensure the stability of lifting of the running table support when the rotating shaft rotates.

In order to ensure stability during lifting, two lifting wheels 6 are arranged at the end part of each second swing arm 5, and two lifting wheels 6 are locked into a group.

The present utility model has been made in view of the above-described circumstances, and it is an object of the present utility model to provide a portable electronic device capable of performing various changes and modifications without departing from the scope of the technical spirit of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. The utility model provides a treadmill elevating system, including lifting motor (1) and treadmill support (2), its characterized in that is equipped with pivot (3) at the front end of treadmill support (2), and sleeve pipe (11) of lifting motor (1) are connected with pivot (3) through first swing arm (4), still are equipped with second swing arm (5) respectively at the both ends of pivot (3), and the tip of every second swing arm (5) all is equipped with elevating gear (6), and when sleeve pipe (11) stretched out or shrink, drive elevating gear (6) prop up or pack up.

2. The lifting mechanism of the running machine according to claim 1, wherein a rotating shaft sleeve (7) is sleeved on the rotating shaft (3), and the rotating shaft sleeve (7) is fixed on the running table bracket (2).

3. The treadmill lifting mechanism according to claim 1, characterized in that the lifting wheel (6) is located outside the treadmill support (2), and grooves for the second swing arm (5) to pass through when rotating are also provided at the bottom and front end of the treadmill support (2).

4. The treadmill lifting mechanism according to claim 1, characterized in that the sleeve (11) is hinged with the first swing arm (4), and the second swing arm (5) is fixedly connected with the rotating shaft (3).

5. The treadmill lifting mechanism according to claim 1, characterized in that the angle a between the lifting motor (1) and the treadmill support (2) is 10-17 °.

6. The treadmill lifting mechanism according to claim 5, characterized in that the angle a between the lifting motor (1) and the treadmill support (2) is 15 ° when mounted.

7. The treadmill lifting mechanism according to claim 1, characterized in that the number of lifting wheels (6) at the end of each second swing arm (5) is two, and the two lifting wheels (6) are locked in a group.