TW201416103A - Electric treadmill - Google Patents

Abstract

An electric treadmill comprises: a base; a vertical post set combined with the base and extending toward a top end; a treading platform comprising a treading belt circulating along a closed path; and a lifting and folding device comprising a linear actuator disposed on the treading platform, having a telescopic lifting tube, a lifting frame with a front end pivotally connected with the treading platform, a pivoting point thereof protruding from the front end of the treading platform, wherein the lifting frame consists of a first side frame and a second side frame that are spaced from each other and a fixing base secured to the second side frame; the fixing base is connected with the lifting tube of the linear actuator, such that the lifting frame is guided by the lifting tube of the linear actuator to perform inclined elevational angle motion; two pivotal members are disposed at the free end of each first side frame of the lifting frame; two linkage pieces are respectively connected with each first side frame with one end and disposed at a position close to the pivotal members; each linkage piece has another end connected and fixed with the free end of the linkage pole; two limiting members are respectively disposed between inner side of the base and the lifting frame, wherein one end of each limiting member is pivoted by a pivotal shaft with two side poles of the base, and the body of each limiting member is provided with an elongated groove; two guide rods are each fixed and connected with a portion of the first side frame by one end and passed through the elongated groove of the limiting member by the other end, such that the guide rods can be driven by external force to perform axial sliding relative to the elongated groove.

Description

Electric treadmill

The present invention relates to a treadmill, and more particularly to an electric treadmill in which the running platform is lifted and stabilized and lightly folded.

A common electric treadmill includes a base, a running platform, a power unit, a lifting unit, a stand, and an instrument panel disposed on the stand. In use, the running platform not only provides the user to step on the pedal alternately, but also allows the user to control the instrument panel according to the requirements, so that the running platform can be adjusted for the appropriate slope (angle). Among them, the angle of the running platform and the folding structure are nothing more than the connection between the running platform and the base. When the lifting frame is lifted, the shock vibration force generated by the user will be directly transmitted to the base, and the instrument on the frame will be built. The board vibrates and is often criticized by the user.

On the other hand, in order to make the treadmill easy to collect, the common treadmills on the market have the function of being able to be folded. The typical case is shown in the first and second figures, which is a schematic diagram of the folding structure of the US Patent No. 5674453. The treadmill 10 has a base 11 placed on a floor, two uprights 12 extending from the base 11 toward the top end, and a running platform 14 pivotally coupled to the inside of the two uprights 12 by two pivot members 13. The running platform 14 has a first section 14A and a second section 14B disposed in opposite directions.

When the running platform 14 is to be folded, an upward force is applied to the second section 14B, so that the first section 14A of the running platform 14 is pivoted by the two pivots 13 Rotating, in other words, is turned from a use position upwards to a collapsed position. Although the treadmill 10 has the function of folding and folding the running platform 14, there are still the following defects:

1. Since the pivoting position of the running platform 14 is close to the end surface 14C, and there is no connecting element between the running platform 14 and the base 11, when the running table 14 is turned upside down, The column 12 and the base 11 generate an inertial force, causing the base 11 to be easily shaken.

2. When the user runs on the running platform 14, the overall weight of the user and the running platform 14 is completely absorbed by the two pivot members 13, so that the two pivot members 13 are easily fatigue-deformed, which affects the running. The long-term use of the table 14 is smooth and folded.

Although the patent No. I234471 of Taiwan has made a relatively improved design for the lack of the above-mentioned cases, its folding structure has many components and complicated assembly, so it will increase the manufacturing cost for production, which is unfavorable for commercial competition. What needs to be improved.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an electric treadmill that provides a good stability of the running platform and a simple and practical treadmill folding mechanism.

In order to achieve the above object, an electric treadmill according to the present invention comprises: a base having two side bars spaced apart from each other and having a first end and a second end disposed in opposite directions; a set of columns, combined Extending the base toward the top end; a running table comprising a first section spaced from each other and having a reversed setting And a frame formed by the two side frames of the second segment and the at least one fixing rod fixed between the two side frames, a front and a rear end are placed in the frame to follow a closed path a running belt; a lifting and folding device, comprising a linear brake, disposed on the running platform, having a length-lifting tube, a lifting frame, a front end pivoting with the running table, and a pivot The contact protrudes from the front of the running platform, and the lift frame has a first side frame and a second side frame spaced apart from each other and a fixing seat fixed between the second side frames, the fixing seat and the linear The lift pipe connection of the brake causes the lift frame to be pulled by the lift pipe of the linear brake to perform the slope elevation movement, and the second movable armature is disposed at the free end of each of the first side frames of the lift frame, and the two linked pieces are respectively One end is connected to each of the first side frames, and is disposed near the movable member. The other end of each of the connecting pieces is fixedly coupled with the free end of the connecting rod, and the two limiting members are respectively disposed between the inner side of the base and the lifting frame. One end of each limiting member is pivotally connected to the two side rods of the base by a pivot, each limit The body body is provided with a long slot and two guiding rods, which are respectively fixedly coupled with one of the first side frames at one end, and the other end is inserted into the long slot of the limiting member, and can be pulled by the external force. The long groove is axially slippery.

Thereby, the electric treadmill of the invention can make the running platform have good stability and the treadmill folding mechanism is simple and practical.

The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. It should be noted that the relative positional terms used in the entire specification, such as "top" and "bottom", are used in the user's orientation and are similar. The components are denoted by the same reference numerals.

Referring first to Figures 3 to 5, a preferred embodiment of the motorized treadmill 2 of the present invention includes a base 20 disposed on a support surface (e.g., a floor), one set at the front end of the base 20 and facing a top extending post 30 having a plurality of meter units 32 disposed at the top end; a running platform 40 coupled to a running board 50 and a lifting and folding device 60, the lifting and folding device 60 being coupled to The base 20 is spaced between the running platform 40.

The base 20 includes two side rods 21 spaced apart from each other, and two connecting rods 22 fixed between the two side rods 21, and two positioning brackets 23 are respectively fixed to the front ends of the two side rods 21 and have a pivot hole 231. In addition, a conventional component (not shown) such as a gas pressure bar and a telescopic rod set is disposed at the rear end of the base 20, and the base 20 is formed with an accommodation space.

A connecting rod 28 is an elongated rod body, and the top surface is provided with two blocks 281, and a positioning piece 29 is respectively connected to both sides of the connecting rod 28. One end of each positioning piece 29 is fixedly coupled to the free end of the connecting rod 28, and the other end of each positioning piece 29 is pivotally connected to the pivot hole 231 of each positioning frame 23.

The running platform 40 has a front section deep into the accommodating space of the base 20 and is coupled to a running board 50. The running platform 40 includes two side frames 41 which are disposed at a predetermined distance from each other and are arranged in parallel, and are fixed to the two side frames. A frame composed of a plurality of fixed rods 42 between 41, a front and rear end is placed in the frame to follow a closed path of the running belt 44.

In practice, the electric treadmill of the present invention further includes an electric motor (not shown) mounted on the front end of the running platform 40 and capable of rotating the running belt 44.

The lifting and folding device 60 includes a linear brake 61 (or liter The lowering motor is disposed on the running platform 40, and has a length-expanding lift tube 611, a lift frame 63, the front end is pivoted with the running platform 40, and the pivot point P protrudes from the front of the running platform 40. And having a first side frame 631 and a second side frame spaced apart from each other and a fixing seat 633 fixed between the second side frames, the fixing seat 633 is coupled with the lift pipe 611 of the linear brake 61, so that The lift frame 63 is pulled by the lift pipe 611 of the linear brake 61 to perform a gradient (elevation angle) movement, and the second movable member (wheel) 65 is disposed at the free end of each of the first side frames 631 of the lift frame 63. The two interlocking pieces 67 are respectively connected at one end to the middle portion of each of the first side frames 631, that is, at a position close to the wheel 65, and the other end of each of the linking pieces 67 is fixedly coupled to the free end of the connecting rod 28. The two limiting members 70 are respectively disposed between the inner side of the base 20 and the lifting frame 63. Each of the limiting members 70 is an elongated body, and one end thereof is pivotally connected to the two side rods 21 of the base 20 by a pivot 71. The body of each of the limiting members 70 is provided with a long slot 72. The two guiding rods 75 are fixedly coupled to one of the first side frames 631 at one end, and the other end is inserted into the long slot 72 of the limiting member 70, and can be pulled by the external force with respect to the long slot 72. Sliding.

Referring to FIGS. 6-7, when the running platform 40 or the running board 50 of the first embodiment is to be used for the angle lifting movement, the pivot point p protruding from the front of the running platform 40 is used as the pivot point. The downward force applied by the linear brake 61 to the lift frame 63 will be directly transmitted to the two wheels 65. Since the two wheels 65 directly abut against the support surface, such as the floor, and are not linked to the base 20, the lift frame 63 is angled (slope). The stability and safety of the adjustment will be greatly improved. As shown in Fig. 6, at this time, the thrust is applied by the linear brake 61, causing the angle between the lift frame 63 and the base 20 to form a slope change, wherein the two link pieces 67 and the two guide rods 75 are individually subjected to the linear brake. The downward thrust is opposite to the long groove 72 of the connecting rod 28 and the limiting member 70. The movement of the link causes the link 28 to slide a small amount forward, and the stopper 70 gradually rotates upward. As shown in Fig. 7, the upper limit of the slope of the lift frame 63 is shown.

Continuing to refer to the figures 8 to 10, when the running platform 40 or the running board 50 of the first embodiment is to be folded, the pivot hole 231 of the positioning frame 23 of the base 20 is used as the turning point of the folding. During the folding process, the center of gravity of the linear brake will be rotated from the front of the 8th and 9th to the rear of the pivot point, as shown in Figure 10. The long groove 72 of the limiting member 70 is designed to prevent the running table 40 from being impacted by excessive excess. In other words, the design of the slot 72 of the stop member 70 will cause the running platform 40 to collapse within a safe range.

In summary, the electric treadmill of the present invention is designed with the new lift frame 63 of the ascending and folding device 60, the two wheels 65 and the linkage piece 67, the limiting member 70 and the guide bar 75, so that the running platform has good stability and Its folding mechanism is simple and practical.

However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the description of the invention. All should remain within the scope of the invention patent.

2‧‧‧Electric treadmill

20‧‧‧Base

30‧‧‧ column

32‧‧‧ instrument unit

40‧‧‧Running table

50‧‧‧Running board

60‧‧‧ Lifting and folding device

21‧‧‧ sidebar

22‧‧‧ Connecting rod

23‧‧‧ Positioning frame

231‧‧‧Pivot hole

28‧‧‧ Connecting rod

281‧‧‧ blocks

29‧‧‧ Positioning film

41‧‧‧ side frame

42‧‧‧Fixed rod

44‧‧‧ running belt

61‧‧‧Linear brake

611‧‧‧扬升管

63‧‧‧Yangsheng

P‧‧‧ pivot point

631‧‧‧ first side frame

633‧‧‧ Fixed seat

65‧‧‧ live pivot (wheel)

67‧‧‧ linkage film

70‧‧‧Limited parts

71‧‧‧ pivot

72‧‧‧Long slot

75‧‧‧Two guides

The first figure is a perspective view of the use state of the US Patent No. 5,674,453; the second figure is a side view of the folded state of the US Patent No. 5,674,453; the third figure is a perspective view of a preferred embodiment of the electric treadmill of the present invention; Figure 4 is a side elevational view of a preferred embodiment of the electric treadmill of the present invention; Figure 5 is a side view showing a folded portion of a preferred embodiment of the electric treadmill of the present invention; sixth and seventh views are schematic views of the lift of a preferred embodiment of the electric treadmill of the present invention; and Figs. 8 to 10 are electric views of the present invention. A folding view of a preferred embodiment of a treadmill.

2‧‧‧Electric treadmill

20‧‧‧Base

21‧‧‧ sidebar

23‧‧‧ Positioning frame

231‧‧‧Pivot hole

30‧‧‧ column

32‧‧‧ instrument unit

40‧‧‧Main frame

41‧‧‧ side frame

44‧‧‧ running belt

50‧‧‧Running board

60‧‧‧ folding device

61‧‧‧Linear brake

Claims (4)

An electric treadmill comprising: a base having two side bars spaced apart from each other and having a first end and a second end disposed in opposite directions; a set of columns coupled to the base and extending toward the top end; a running platform comprising two side frames spaced apart from each other and having a first segment and a second segment disposed in opposite directions, and at least one fixing rod fixed between the two side frames a frame, a front and a rear end are placed in the frame to follow a closed path of the running belt; a lifting and folding device includes a linear brake disposed on the running platform and having a length a telescopic lift tube; a lift frame, the front end pivoted with the running table, and the pivot point protrudes from the front of the running platform, the lift frame has a first side frame and a second side frame spaced apart from each other and a solid a fixing seat disposed between the second side frame, the fixing seat is coupled with the lift pipe of the linear brake, so that the lifting frame is pulled by the lift pipe of the linear brake to perform the slope elevation movement; Located at the free end of each of the first side frames of the lift frame; One end is connected to each of the first side frames, and is disposed near the movable member, and the other end of each of the connecting pieces is fixedly coupled with the free end of the connecting rod; the second limiting members are respectively disposed on the inner side of the base and the lifting frame One end of each of the limiting members is pivotally connected to the two side rods of the base by a pivot shaft, and the body of each limiting member is provided with a long groove; the two guiding rods are respectively one end and one of the first side frames respectively The fixed joint is placed at the other end, and the other end is inserted into the long groove of the limiting member, and is axially slidable relative to the long groove by the external force. According to the electric treadmill of claim 1, wherein the long groove of each of the limiting members has an upper starting point and a lower starting point, whereby the guiding rods are The limit movement is performed between the start point and the start point on the long groove. The electric treadmill according to claim 1, further comprising a connecting rod, the connecting rod is an elongated rod body, and the top surface is provided with two blocks, and the positioning pieces are respectively connected to the two sides of the connecting rod. The electric treadmill according to claim 1, wherein each of the shuttlecocks is a wheel.