CN217612724U

CN217612724U - Treadmill universal wheel pretension resilient means

Info

Publication number: CN217612724U
Application number: CN202123437973.6U
Authority: CN
Inventors: 刘中元; 童建文
Original assignee: Zhejiang Halley Power Machine Co ltd
Current assignee: Zhejiang Halley Power Machine Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-10-21
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a pre-tightening elastic device for a universal wheel of a running machine, which comprises a running machine body; still include the universal wheel body, fixed bottom, universal wheel fixed cover and universal wheel preloading device, fixed bottom fixed connection is on the treadmill body, and with universal wheel fixed cover fixed connection, form spherical cavity between fixed bottom and the universal wheel bottom fixed cover, so that universal wheel body swivelling joint is in the cavity, preloading device fixed connection is covered at the universal wheel is fixed, and this universal wheel fixed cover one end pastes with the universal wheel mutually, can prevent effectively that the universal wheel from producing and rocking, universal wheel preloading device and universal wheel body contact, reduce the space between universal wheel body and the cavity, prevent that the universal wheel body from producing and rocking, further prevent the production of noise.

Description

Treadmill universal wheel pretension resilient means

Technical Field

The utility model relates to a treadmill mobile device technical field, in particular to treadmill universal wheel pretension resilient means.

Background

The treadmill is a body-building apparatus which is always provided for families and gymnasiums, is the simplest one of the current family body-building apparatuses, and is the best choice of the family body-building apparatus.

The gyro wheel generally can be equipped with on the treadmill, so that the personnel remove the treadmill, and the gyro wheel generally comprises fixed plate and this body coupling of gyro wheel, gyro wheel body swivelling joint is in the fixed plate, leave the space between fixed plate and the gyro wheel, so that the gyro wheel rotates, the personnel is at the in-process of running, the treadmill chance produces the vibration, when the treadmill vibration, will certainly transmit the vibration source for the gyro wheel body, lead to the vibration of gyro wheel body, and when the gyro wheel body vibrates, because leave the space between gyro wheel body and the fixed plate, easily cause the gyro wheel phenomenon that the in-process of vibrations appears rocking, when the gyro wheel body rocks, gyro wheel body striking fixed plate easily appears, at the in-process of striking, lead to the abnormal sound to appear in the treadmill, thereby make personnel's comfort level of running descend.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a treadmill universal wheel pretension resilient means can prevent effectively that the universal wheel from producing and rocking.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pre-tightening elastic device for a universal wheel of a treadmill comprises a treadmill body;

the treadmill also comprises a universal wheel body, a fixed bottom cover, a universal wheel fixed cover and a universal wheel pre-tightening device, wherein the fixed bottom cover is fixedly connected to the treadmill body and fixedly connected with the universal wheel fixed cover, a spherical cavity is formed between the fixed bottom cover and the universal wheel bottom fixed cover so that the universal wheel body is rotatably connected in the cavity, the pre-tightening device is fixedly connected to the universal wheel fixed cover, and one end of the universal wheel fixed cover is attached to the universal wheel.

Preferably, the universal wheel early warning device comprises a fixing column, a spring and a ball, the ball is rotatably connected to the fixing column, the spring is fixedly connected to the inside of the fixing column, one end of the spring is connected with the ball, and one end of the ball is attached to the universal wheel body.

Preferably, the fixing column is provided with an external thread, and the external thread is in threaded connection with the universal wheel fixing cover.

Preferably, the treadmill body is fixedly connected with a foot pad.

Preferably, a gap is reserved between the universal wheel body and the outside ground.

The utility model discloses beneficial effect: compared with the prior art, the utility model discloses an universal wheel preloading device and this body contact of universal wheel reduce the space between universal wheel body and the cavity, prevent that the universal wheel body from producing and rocking, further prevent the production of noise.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic diagram of a pre-tightening device for a universal wheel according to an embodiment;

FIG. 3 is a cross-sectional view of a pre-tensioning device for a universal wheel according to an embodiment.

Reference numerals: 1. a treadmill body; 2. a universal wheel body; 3. fixing the bottom cover; 4. a universal wheel fixing cover; 5. a universal wheel pre-tightening device; 6. a chamber; 7. fixing the column; 8. a spring; 9. a ball bearing; 10. an external thread; 11. a foot pad.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, a pre-tightening elastic device for universal wheels of a treadmill comprises a treadmill body 1;

the treadmill is characterized by further comprising a universal wheel body 2, a fixed bottom cover 3, a universal wheel fixed cover 4 and a universal wheel pre-tightening device 5, wherein the fixed bottom cover 3 is fixedly connected to the treadmill body 1 and fixedly connected with the universal wheel fixed cover 4, a spherical cavity 6 is formed between the fixed bottom cover 3 and the universal wheel fixed cover so that the universal wheel body 2 can be rotatably connected into the cavity 6, the pre-tightening device is fixedly connected to the universal wheel fixed cover 4, and one end of the universal wheel fixed cover 4 is attached to the universal wheel.

The universal wheel early warning device comprises a fixing column 7, a spring 8 and a ball 9, the ball 9 is rotatably connected onto the fixing column 7, the spring 8 is fixedly connected into the fixing column 7, one end of the ball 9 is connected with the ball 9, one end of the ball 9 is attached to the universal wheel body 2, and a gap between the cavity 6 and the universal wheel body 2 is reduced.

Fixed column 7 is equipped with external screw thread 10,

external screw thread

10 and 4 threaded connection of universal wheel fixed cover through

external screw thread

10 and 4 threaded connection of universal wheel fixed cover, and the personnel of being convenient for dismantle fixed column 7, save personnel's labour.

Fixedly connected with callus on the sole 11 on the treadmill body 1 through utilizing callus on the sole 11 to support treadmill body 1, increases treadmill body 1's supporting effect.

A gap is reserved between the universal wheel body 2 and the external ground, and the gap is reserved between the universal wheel body 2 and the ground, so that the universal wheel body 2 is prevented from contacting the ground when a person runs, and the service life of the universal wheel body 2 is further prolonged.

When personnel ran on treadmill body 1, order about ball 9 and the contact of universal wheel body 2 through spring 8, reduce rocking of universal wheel body 2, simultaneously when personnel need remove, personnel's slope treadmill, make universal wheel body 2 and ground contact, at this moment, portable treadmill body 1 of personnel, treadmill body 1 removes and can orders about universal wheel body 2 and rotate, universal wheel body 2 rotates and can order about ball 9 and rotate on fixed column 7, realize that universal wheel body 2 orders about treadmill body 1 and rotates.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any is right the utility model discloses scheme after simply changing all belongs to the protection scope of the utility model.

Claims

1. A pre-tightening elastic device for a universal wheel of a running machine comprises a running machine body (1); it is characterized in that the preparation method is characterized in that,

the treadmill with the pre-tightening device comprises a treadmill body (1), and is characterized by further comprising a universal wheel body (2), a fixed bottom cover (3), a universal wheel fixed cover (4) and a universal wheel pre-tightening device (5), wherein the fixed bottom cover (3) is fixedly connected to the treadmill body (1) and fixedly connected with the universal wheel fixed cover (4), a spherical cavity (6) is formed between the fixed bottom cover (3) and the universal wheel bottom fixed cover so that the universal wheel body (2) can be rotatably connected into the cavity (6), the universal wheel pre-tightening device (5) is fixedly connected to the universal wheel fixed cover (4), and one end of the universal wheel fixed cover (4) is attached to the universal wheel.

2. The pre-tightening elastic device for the universal wheel of the treadmill according to claim 1, wherein the pre-tightening elastic device for the universal wheel comprises a fixed column (7), a spring (8) and a ball (9), the ball (9) is rotatably connected to the fixed column (7), the spring (8) is fixedly connected in the fixed column (7) and has one end connected with the ball (9), and one end of the ball (9) is attached to the body (2) of the universal wheel.

3. The pre-tightening elastic device for the universal wheels of the running machine as claimed in claim 2, wherein the fixing column (7) is provided with an external thread (10), and the external thread (10) is in threaded connection with the universal wheel fixing cover (4).

4. The pre-tightening elastic device for the universal wheels of the running machine as claimed in claim 1, wherein a foot pad (11) is fixedly connected to the running machine body (1).

5. The pre-tightening elastic device for the universal wheels of the treadmill according to claim 1, wherein a gap is left between the universal wheel body (2) and the external ground.