Transmission connecting rod mechanism and body builder

Abstract

The transmission connecting rod mechanism comprises a rotary disc, two connecting rod sets, two pedals and two rocker arms, the pedals are rotationally connected with a frame, the rotary disc and the rocker arms through the connecting rod sets respectively, and the rotary disc and the rocker arms are driven by the pedals to move synchronously; the frame is provided with a turntable mounting seat, and the turntable is rotationally mounted on the turntable mounting seat; each connecting rod group comprises a turntable connecting plate, a front foot tube, a rear foot tube, a foot tube connecting plate and a rocker arm connecting plate, the pedal drives the front foot tube and the rear foot tube to swing by treading the pedal, the rear foot tube simultaneously pulls the turntable connecting plate to rotate the turntable and pulls the rocker arm connecting plate to rotate the rocker arm, and the turntable drives the other connecting rod group, the pedal and the rocker arm to swing. The upper limb and the lower limb are trained simultaneously, and the use requirements of people of different age groups, especially the rehabilitation stage and the elderly are met.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a transmission connecting rod mechanism and a fitness device. Background Art

[0002] Fitness equipment is a commonly used equipment for fitness and rehabilitation, including spinning bikes, rowing machines and exercise bikes. Fitness equipment needs to meet the needs of people of different age groups, especially those in the rehabilitation stage or the elderly. The existing fitness equipment transmission method is to drive the flywheel to rotate through the foot pedals, and the armrests of the fitness equipment can only be fixed and cannot swing with it. Therefore, it can only train the lower limbs, but lacks upper limb training. Therefore, it is necessary to design a transmission connecting rod mechanism that can allow the two swing arms to swing with the movement of the pedals, so that the upper and lower limbs can be trained at the same time during use, meeting the needs of people of different age groups, especially those in the rehabilitation stage and the elderly. Utility Model Content

[0003] The purpose of the utility model is to provide a transmission connecting rod mechanism and a fitness device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A transmission connecting rod mechanism is applied to the frame of a fitness machine, comprising a turntable, two connecting rod groups, two sets of pedals and two sets of rocker arms. The pedals are rotatably connected to the frame, the turntable and the rocker arms respectively through the connecting rod groups, and the turntable and the rocker arms are driven to move synchronously by the pedals.

[0006] The frame is provided with a turntable mounting seat, and the turntable is rotatably mounted on the turntable mounting seat;

[0007] The connecting rod group includes a turntable connecting plate, a front leg tube, a rear leg tube, a leg tube connecting plate and a rocker arm connecting plate, and the pedal is rotatably connected to the front leg tube and the rear leg tube respectively through two rotating rods, and the two ends of the turntable connecting plate are rotatably connected to the turntable and the rear leg tube respectively, and the front leg tube and the rear leg tube are rotatably mounted on the frame for front and rear rotation, and the rear leg tube is provided with a side plate, one end of the rocker arm connecting plate is rotatably mounted on the side plate, and the other end is rotatably connected to the rocker arm; by stepping on the pedal, the pedal drives the front leg tube and the rear leg tube to swing, and the rear leg tube simultaneously pulls the turntable connecting plate to rotate the turntable and pulls the rocker arm connecting plate to rotate the rocker, and the turntable drives another set of connecting rod groups, pedals and rocker arms to swing.

[0008] Furthermore, the frame includes a front frame and a rear frame arranged in the front and rear, the front frame is a U-shaped structure, the turntable mounting seat is arranged on the front frame, the turntable, connecting rod group, pedals and rocker arms are respectively rotatably mounted on the front frame, and the rear frame is provided with a seat.

[0009] Furthermore, the front frame is provided with two leg tube rotating seats on both sides of its top, and the front leg tube and the rear leg tube are both provided with rotating sleeves and are rotatably mounted on the leg tube rotating seats.

[0010] Furthermore, the turntable connecting plate is rotatably connected to the turntable via a rotating connecting plate.

[0011] Furthermore, the rotating connecting plate, turntable connecting plate, rear leg tube, side plate, leg tube connecting plate and swing arm connecting plate are sequentially provided with relatively positioned rotating holes, and are rotatably installed in the rotating holes through a rotating shaft.

[0012] Furthermore, a support frame is provided on the top of the front frame, and side rods are respectively provided on the left and right sides of the support frame. The rocking arm is provided with a side rotating sleeve and is rotatably installed on the side rod. The side rotating sleeve is respectively fixed to the rocker arm connecting plate and the rocker arm, and the side rotating sleeve is driven to rotate on the side rod through the rocker arm connecting plate, and the side rotating sleeve drives the rocking arm to swing back and forth.

[0013] A fitness machine includes a frame and a seat, and also includes a transmission connecting rod mechanism as described above. The frame is provided with a front frame and a rear frame, and there is a certain distance between the front frame and the rear frame. The transmission connecting rod mechanism is installed on the front frame of the frame, and the seat is installed on the rear frame of the frame.

[0014] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0015] The utility model drives the front leg tube and the rear leg tube to move through the pedals, and the swing of the rear leg tube drives the turntable connecting plate and the leg tube connecting plate to swing, the turntable connecting plate drives the turntable to rotate, the leg tube connecting plate drives the rocker arm connecting plate to move, and the rocker arm connecting plate drives the rocker arm to rotate. The two pedals cooperate with the two rocker arms respectively and move synchronously. The pedals can drive the rocker arms to swing, and the rocker arms can also drive the pedals to move, so that the two rocker arms can swing following the movement of the pedals. During use, the upper and lower limbs are trained at the same time, which meets the needs of people of different age groups, especially those in the rehabilitation stage and the elderly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the present invention from another angle;

[0018] Figure 3 This is a schematic diagram of the decomposition structure of the utility model;

[0019] Figure 4 This is another schematic diagram of the decomposition structure of the present invention.

[0020] Description of reference numerals:

[0021] Turntable 1; connecting rod group 2; pedal 3; rocker arm 4; frame 5; turntable connecting plate 21; front leg tube 22; rear leg tube 23; leg tube connecting plate 24; rocker arm connecting plate 25; rotating sleeve 26; rotating connecting plate 27; side plate 231; rotating rod 31; side rotating sleeve 41; turntable mounting base 51; front frame 52; rear frame 53; support frame 54; side rod 55. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] It should be noted that in the present invention, the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are all based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element of the present invention must have a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0024] Example

[0025] Cooperate Figures 1 to 4 As shown, the utility model discloses a transmission connecting rod mechanism, which is applied to the frame of a fitness machine, including a turntable 1, two groups of connecting rod groups 2, two groups of pedals 3 and two groups of rocker arms 4. The pedals 3 are rotatably connected to the frame 5, the turntable 1 and the rocker arms 4 respectively through the connecting rod groups 2, and the turntable 1 and the rocker arms 4 are driven to move synchronously through the pedals 3.

[0026] The vehicle frame 5 is provided with a turntable mounting seat 51 , and the turntable 1 is rotatably mounted on the turntable mounting seat 51 .

[0027] The rear leg tube 23 is provided with a rotation hole, and one end of the rocker arm connecting plate 25 is rotatably mounted on the side plate 231, and the other end is rotatably connected to the rocker arm 4. By stepping on the pedal 3, the pedal 3 drives the front leg tube 22 and the rear leg tube 23 to swing, and the rear leg tube 23 simultaneously pulls the turntable connecting plate 21 to rotate the turntable 1 and pulls the rocker arm connecting plate 25 to rotate the rocker arm 4, and the turntable 1 drives another set of connecting rod groups 2, pedals 3 and rocker arm 4 to swing.

[0028] The frame 5 includes a front frame 52 and a rear frame 53 arranged in the front and rear. The frame 5 also includes a chassis. The front frame 52 and the rear frame 53 are welded to the chassis. The front frame 52 has a U-shaped structure. The turntable mounting seat 51 is arranged on the front frame 52. The front frame 52 is provided with a notch, which is adapted to the structure of the turntable mounting seat 51. The turntable mounting seat 51 is welded at the notch and is provided with a bearing. The turntable 1 is installed in the bearing through a rotating shaft. The turntable 1, the connecting rod group 2, the pedal 3 and the rocker arm 4 are respectively rotatably mounted on the front frame 52, and the rear frame 53 is provided with a seat.

[0029] The front frame 52 is provided with two leg tube rotating seats 54 on both sides of its top. The front leg tube 22 and the rear leg tube 23 are both provided with rotating sleeves 26 and are rotatably installed on the leg tube rotating seats 54. The middle end of the rear leg tube 23 is provided with a rotating sleeve 26, which rotates on the front frame 52 through the top of the rear leg tube 23. The middle rotating sleeve 26 is rotatably installed with the turntable connecting plate 21, pulling it to move. The bottom rotating sleeve 26 is installed with the pedal 3, and the pedal pulls the front leg tube and the rear leg tube to rotate.

[0030] The rotating sleeve 26 of this embodiment preferably has a baffle and a rotating hole therein. The rotating sleeve 26 is sleeved on the leg tube rotating seat 54 and rotates on the leg tube rotating seat 54. Two rotating rods are provided and are respectively installed with the rotating sleeves 26 of the front leg tube 22 and the rear leg tube 23. The bottom of the pedal 3 is provided with two rotating cavities with openings facing inward. The rotating rod 31 is rotatably installed in the rotating cavity of the pedal 3. The rotating rod 31 is driven to move by stepping on the pedal 3, and the rotating rod 31 drives the front leg tube 22 and the rear leg tube 23 to move.

[0031] The turntable connecting plate 21 is rotatably connected to the turntable 1 via a rotating connecting plate 27. In this embodiment, the two ends of the rotating shaft are rotatably connected to the turntable connecting plates 21 on both sides, and the rotational connection is rotatably connected via the rotating connecting plates 27. The rotating connecting plates 27 have two rotation holes at both ends. One end is connected to the turntable 1 via the rotating shaft and the turntable mounting seat 51, and the other end is rotatably connected to the turntable connecting plate 21.

[0032] The rotating connecting plate 27, the turntable connecting plate 21, the rear leg tube 23, the side plate 231, the leg tube connecting plate 24 and the swing arm connecting plate 25 are sequentially provided with rotating holes in relative positions and are rotatably installed in the rotating holes through the rotating shaft.

[0033] The rotational connection method of this embodiment is preferably through a rotating shaft, and a threaded structure is provided at the end, which is fixed with a nut or a limit plate so that the two components of the rotational connection can rotate along the rotating shaft. This embodiment can also use the bolt as the rotating shaft, and cooperate with the nut and / or limit plate to block it and prevent it from falling off. The rotating shaft or bolt is preferably equipped with a bearing or a rotating sleeve.

[0034] A support frame 54 is provided on the top of the front frame 52, and a display screen or a display screen mounting frame can be provided on the support frame 54. Side rods 55 are respectively provided on the left and right sides of the support frame 54. The swing arm 4 is provided with a side rotating sleeve 41 and is rotatably installed on the side rod 55. The side rotating sleeve 41 is respectively fixedly connected to the rocker arm connecting plate 25 and the rocker arm 4. The side rotating sleeve 41 is driven to rotate on the side rod 55 through the rocker arm connecting plate 25, and the side rotating sleeve 41 drives the rocker arm 4 to swing back and forth.

[0035] In this embodiment, the pedals 3 drive the front leg tubes 22 and the rear leg tubes 23 to move, and the swing of the rear leg tube 23 drives the turntable connecting plate 21 and the leg tube connecting plate 24 to swing, the turntable connecting plate 21 drives the turntable 1 to rotate, the leg tube connecting plate 24 drives the rocker arm 4 connecting plate to move, and the rocker arm connecting plate 24 drives the rocker arm 4 to rotate. The two pedals 3 cooperate with the two rocker arms 4 respectively and move synchronously. The pedals 3 can drive the rocker arms 4 to swing, and the rocker arms 4 can also drive the pedals 3 to move, allowing the two rocker arms 4 to swing following the movement of the pedals 3. During use, the upper and lower limbs are trained at the same time, meeting the needs of people of different age groups, especially those in the rehabilitation stage and the elderly.

[0036] The turntable 1 of this embodiment can also be connected to the flywheel through a transmission belt, and the flywheel can provide resistance to the turntable 1, thereby increasing the activity resistance of the pedal 3 to meet the training needs of different resistances. The resistance control of the flywheel is an existing technology, preferably magnetic control, and this embodiment does not limit it.

[0037] Example 2

[0038] The utility model discloses a fitness machine, comprising a frame and a seat, and also comprising a transmission connecting rod mechanism as in the first embodiment. The frame is provided with a front frame and a rear frame, a certain distance being provided between the front frame and the rear frame, and no other mechanism obstructs the front frame and the rear frame, so that the user can use the fitness machine easily even if the user has difficulty in walking. The transmission connecting rod mechanism is mounted on the front frame of the frame, and the seat is mounted on the rear frame of the frame.

[0039] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A transmission link mechanism, which is applied to a frame of a fitness machine, and is characterized by: It includes a turntable, two sets of connecting rods, two sets of pedals and two sets of rocker arms. The pedals are rotatably connected to the frame, turntable and rocker arms respectively through the connecting rods, and the turntable and rocker arms are driven to move synchronously by the pedals. The frame is provided with a turntable mounting seat, and the turntable is rotatably mounted on the turntable mounting seat; The connecting rod group includes a turntable connecting plate, a front leg tube, a rear leg tube, a leg tube connecting plate and a rocker arm connecting plate, and the pedal is rotatably connected to the front leg tube and the rear leg tube respectively through two rotating rods, and the two ends of the turntable connecting plate are rotatably connected to the turntable and the rear leg tube respectively, and the front leg tube and the rear leg tube are rotatably mounted on the frame for front and rear rotation, and the rear leg tube is provided with a side plate, one end of the rocker arm connecting plate is rotatably mounted on the side plate, and the other end is rotatably connected to the rocker arm; by stepping on the pedal, the pedal drives the front leg tube and the rear leg tube to swing, and the rear leg tube simultaneously pulls the turntable connecting plate to rotate the turntable and pulls the rocker arm connecting plate to rotate the rocker, and the turntable drives another set of connecting rod groups, pedals and rocker arms to swing.

2. A transmission connecting rod mechanism according to claim 1, characterized in that: The frame includes a front frame and a rear frame arranged in the front and rear. The front frame is in a U-shaped structure. The turntable mounting seat is arranged on the front frame. The turntable, connecting rod group, pedals and rocker arms are respectively rotatably mounted on the front frame. The rear frame is provided with a seat.

3. A transmission connecting rod mechanism according to claim 2, characterized in that: The front frame is provided with two leg tube rotating seats on both sides of the top thereof. The front leg tube and the rear leg tube are both provided with rotating sleeves and are rotatably mounted on the leg tube rotating seats.

4. A transmission connecting rod mechanism according to claim 3, characterized in that: The turntable connecting plate is rotatably connected to the turntable via a rotating connecting plate.

5. A transmission connecting rod mechanism according to claim 4, characterized in that: The rotating connecting plate, the turntable connecting plate, the rear leg tube, the side plate, the leg tube connecting plate and the swing arm connecting plate are sequentially provided with rotating holes in relative positions and are rotatably installed in the rotating holes through a rotating shaft.

6. A transmission connecting rod mechanism according to claim 5, characterized in that: A support frame is provided on the top of the front frame, and side rods are respectively provided on the left and right sides of the support frame. The swing arm is provided with a side rotating sleeve and is rotatably installed on the side rod. The side rotating sleeve is respectively fixedly connected to the rocker arm connecting plate and the rocker arm. The side rotating sleeve is driven to rotate on the side rod through the rocker arm connecting plate, and the side rotating sleeve drives the rocker arm to swing back and forth.

7. A fitness machine comprising a frame and a seat, characterized in that: It also includes a transmission link mechanism as described in any one of claims 1-6, the frame is provided with a front frame and a rear frame, there is a certain distance between the front frame and the rear frame, the transmission link mechanism is installed on the front frame of the frame, and the seat is installed on the rear frame of the frame.

Images