Adjustable resistance exercise mechanism for a treadmill

Abstract

The utility model relates to the technical field of running machine, concretely is a kind of adjustable resistance exercise mechanism for running machine, it includes: support leg and running machine, support leg upper end is equipped with running machine, running machine both sides are equipped with protective cover, and support is equipped on running machine, support is equipped with display screen, and handrail is equipped in support one side, running machine bottom end is equipped with support mechanism, support mechanism is equipped with fixed plate inside, fixed plate is equipped with support block, support block is equipped with first arc ring, first arc ring is equipped with cylinder, and second arc ring is equipped in first arc ring upper end, limit bolt is equipped on second arc ring, and rotating wheel is equipped in cylinder both sides, and adjusting mechanism is equipped in running machine both sides, adjusting mechanism is equipped with fixed rod inside, fixed rod one end is equipped with fixed sleeve, fixed sleeve one side is equipped with rotating disc, using support mechanism can be positioned support to cylinder, and the resistance of running machine can be adjusted as required by adjusting mechanism.

Claims

1. An adjustable resistance exercise mechanism for a treadmill, comprising: Support leg (1) and treadmill (2), the upper end of the support leg (1) is provided with treadmill (2), the treadmill (2) is provided with protective covers (3) on both sides, and a bracket (4) is provided on the treadmill (2), the bracket (4) is provided with a display screen (5), and a handrail (6) is provided on one side of the bracket (4). The treadmill (2) is characterized by having a support mechanism (7) at its bottom, a fixed plate (71) inside the support mechanism (7), a support block (72) on the fixed plate (71), a first arc ring (73) on the support block (72), a roller (74) on the first arc ring (73), a second arc ring (75) on the upper end of the first arc ring (73), a limiting bolt (76) on the second arc ring (75), rotating wheels (77) on both sides of the roller (74), and an adjustment mechanism (8) on both sides of the treadmill (2), a fixed rod (81) inside the adjustment mechanism (8), a fixed sleeve (82) on one end of the fixed rod (81), and a turntable (83) on one side of the fixed sleeve (82).

2. The adjustable resistance motion mechanism for a treadmill according to claim 1, characterized in that: A threaded rod (84) is fixedly installed on one side of the turntable (83). One end of the threaded rod (84) passes through the fixed sleeve (82), and a movable block (85) is fixedly installed at one end of the threaded rod (84) by a bearing.

3. The adjustable resistance motion mechanism for a treadmill according to claim 2, characterized in that: A rubber pad (86) is fixedly installed on one side of the movable block (85), and one side of the rubber pad (86) is in contact with the rotating wheel (77).

4. The adjustable resistance exercise mechanism for a treadmill according to claim 3, characterized in that: The movable block (85) is fixedly installed with L-shaped rods (87) on both sides. A sliding sleeve (88) is fixedly installed at one end of the L-shaped rod (87). A sliding rod (89) is provided on the sliding sleeve (88). The sliding rod (89) is fixedly installed on the treadmill (2), and the sliding sleeve (88) is slidably installed on the sliding rod (89).

5. The adjustable resistance exercise mechanism for a treadmill according to claim 1, characterized in that: The fixing plate (71) is fixedly installed on the support leg (1), the support block (72) is fixedly installed on the fixing plate (71), and the first arc-shaped ring (73) is fixedly installed on the support block (72).

6. The adjustable resistance motion mechanism for a treadmill according to claim 1, characterized in that: The second arc ring (75) is fixedly installed on the first arc ring (73) by a limiting bolt (76), and the roller (74) is fixedly installed on the first arc ring (73) and the second arc ring (75) by a bearing.

7. The adjustable resistance motion mechanism for a treadmill according to claim 1, characterized in that: The rotating wheel (77) is fixedly installed on both sides of the roller (74), and the bottom end of the fixing rod (81) is fixedly installed on the treadmill (2).

8. The adjustable resistance motion mechanism for a treadmill according to claim 1, characterized in that: The fixing sleeve (82) is fixedly installed on the treadmill (2) by the fixing rod (81), and the turntable (83) is fixedly installed on the threaded rod (84).

9. The adjustable resistance exercise mechanism for a treadmill according to claim 1, characterized in that: The protective cover (3) is fixedly installed on the treadmill (2) by fixing bolts, the bracket (4) is fixedly installed on the fixing plate (71), and the display screen (5) and the handrail (6) are fixedly installed on the bracket (4).

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