Body builder with noise reduction gear structure

Abstract

The utility model discloses a body builder with a noise reduction gear structure, which comprises an upper frame, a bottom frame, a gear A, a gear B and a pedal plate, the upper frame and the bottom frame are arranged up and down, the upper frame is provided with two supporting arms arranged left and right, the supporting arms are provided with rotating ports, bearings and rotating shafts are arranged in the supporting arms, and the gear A and the gear B are respectively arranged on the rotating shafts of the two supporting arms and are meshed with each other. The gear A and the gear B are both of a structure with two sharp ends and a thick middle, the two pedals are connected with the rotating shafts through the rotating arms respectively, a user treads the pedals to rotate, the rotating arms are driven to swing clockwise or anticlockwise, the corresponding rotating shafts and the gear A or the gear B are driven to rotate, and the other gear synchronously rotates in the opposite direction. The teeth of the two gears are each of a structure with the two sharp ends and the thick middle, friction and noise can be reduced in the working process, meanwhile, the left-right winding movement of the legs of a user can be trained in the gear synchronous transmission process, and the leg training requirement of the user is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to body -building apparatus technical field especially a kind of body -building apparatus with noise reduction gear structure. BACKGROUND

[0002] Body-building apparatus is often used for muscle training and rehabilitation training, and most of the body-building apparatus for leg training is trained by pedal driving mechanism cooperating with magnetic control wheel, however, the training for special parts is relatively lacking, such as the leg circle training, in some rehabilitation groups and old people groups, thigh medial and lateral muscles need to be exercised, which can provide body stability and balance ability, in the investigation, normal running equipment only has forward and backward or up and down movement function, without left and right movement function, therefore, under this background, a body-building apparatus capable of exercising thigh medial and lateral muscles is designed, which can train leg coordination ability, and reduce pressure on knee, and most of the driving mechanism for leg training is gear transmission, but gear transmission is prone to rust and inconvenient to maintain after long-term use, and noise is easily generated during use, resulting in poor experience of user, therefore, a body-building apparatus with noise reduction gear is needed to meet the leg training of user. SUMMARY

[0003] The utility model aims at providing a kind of body -building apparatus with noise reduction gear structure.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A kind of body -building apparatus with noise reduction gear structure, including upper frame, bottom frame, gear A, gear B and foot pedal, the upper frame and bottom frame are installed upside down, the upper frame is equipped with two left and right support arms, the support arm is opened with a rotating mouth, and is equipped with bearing and shaft, gear A and gear B are respectively installed on the shaft of two support arms, and are engaged, the gear shape of gear A and gear B is all the structure of two sharp ends and thick middle, the foot pedal has two, is connected with shaft by rotating arm respectively, user rotates by treading foot pedal, drives the rotating arm to swing clockwise or counterclockwise, drives corresponding shaft and gear A or B to rotate, and the other gear rotates synchronously in opposite direction.

[0006] Further, it further includes a magnetic resistance mechanism, the magnetic resistance mechanism includes base, magnetic control flywheel, driving wheel and driven wheel, the base is arranged in upper frame, and is rotatably installed with shaft, the magnetic control flywheel is rotatably installed on the shaft, the driven wheel is arranged in the shell of magnetic control flywheel, the driving wheel is installed with the shaft of gear B, and is connected with driven wheel by belt, the gear B rotates synchronously with driving wheel, drives driven wheel and magnetic control flywheel to rotate synchronously, and magnetic control flywheel gives resistance to gear B.

[0007] Further, the magnetic control flywheel is provided with an inner shell, a magnet, adjusting arms and adjusting members, the inner shell is mounted inside and outside the outer shell, the outer shell rotates on the inner shell, the magnet is arranged on the inner shell, the adjusting arms are two and symmetrically arranged, one end of the adjusting arm is rotatably mounted on the inner shell, the other end is connected with the adjusting member, the distance between the adjusting arm and the outer shell is controlled through the adjusting member, and the distance between the magnet and the outer shell is driven.

[0008] Further, the adjusting member is connected with two pull ropes, the adjusting member is driven to move inward along the guide groove of the inner shell through one pull rope, the adjusting arm is driven to move away from the outer shell, the adjusting member is driven to move outward along the guide groove of the inner shell through the other pull rope, and the adjusting arm is driven to move close to the outer shell.

[0009] Further, the inner shell is provided with at least two springs, the outer end of the spring abuts against the adjusting arm, and the adjusting arm is driven to move outward through the spring.

[0010] Further, the two supporting arms of the upper frame are symmetrically arranged, and the gear A and the gear B are symmetrically arranged at the same horizontal level.

[0011] Further, the bottom frame is connected with a seat for a user to sit.

[0012] Further, the upper frame is connected with a hand supporting frame for a user to hold.

[0013] After the above technical scheme is adopted, compared with the background art, the present application has the following advantages:

[0014] The upper frame and the lower frame are connected, the upper frame is provided with supporting arms, the gear A and the gear B are rotatably mounted on the supporting arms, the tooth shapes of the two gears are both structures with thick middle and sharp two ends, the working process can reduce friction and noise, and the synchronous transmission process of the gears can also train the left and right circle movement of the legs of the user, so that the leg training requirement of the user is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the present application;

[0016] Figure 2 It is another angle schematic view of the present application;

[0017] Figure 3 It is a rotating schematic view of the gear A and the gear B of the present application;

[0018] Figure 4 It is a schematic view of the gear A or the gear B of the present application;

[0019] Figure 5 It is a whole exploded schematic view of the present application;

[0020] Figure 6The reluctance mechanism is exploded schematic view of the utility model.

[0021] Figure 7 The reluctance mechanism is another angle exploded schematic view of the utility model.

[0022] Mark explanation:

[0023] Upper frame 1, bottom frame 2, gear A 3, gear B 4, foot pedal 5, rotating arm 6, reluctance mechanism 7, support arm 11, base 71, magnetic control flywheel 72, driving wheel 73, driven wheel 74, shell 721, inner shell 722, magnet 723, adjusting arm 724, adjusting piece 725. Specific implementation

[0024] In order to make the utility model purposes, technical scheme and advantages more clear and obvious, the following is combined with the drawings and examples, and the utility model is further described in detail.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0025] It needs to be explained in the utility model that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are all based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and are not used to indicate or imply that the devices or elements of the utility model must have a specific orientation, so it cannot be understood as a limitation on the utility model.

[0026] Examples

[0027] Match Figures 1 to 7 As shown, the utility model discloses a fitness equipment with noise reduction gear structure, including upper frame 1, bottom frame 2, gear A 3, gear B 4 and foot pedal 5, the upper frame 1 and bottom frame 2 are installed upside down, are fixed by screw installation, the upper frame 1 is equipped with two left and right settings support arm 11, support arm 11 can be integrally formed structure with upper frame 1, also can be fixed by bolt connection, support arm 11 is opened and has bearing and pivot, gear A 3 and gear B 4 are installed on the pivot of two support arms 11 respectively, and are engaged, the gear shape of gear A 3 and gear B 4 is two pointed thick structure in the middle.

[0028] Gear is made injection molding according to normal standard gear shape at the beginning, since plastic is easy to produce deformation in injection molding process, is easy to cause left and right pedal one side empty tooth one side foot when being applied to fitness equipment, seriously influence use feeling, therefore, change normal injection molding gear to two pointed thick gear shape in the middle, can reduce the contact area of gear shape, and select and injection molding process control, to the last assembly process of running-in.At the same time, change to variable position gear, and reduce the number of teeth, change from 96 teeth to 61 teeth.Variable position gear uses custom hobbing cutter, can eliminate burrs on the end face of gear.

[0029] The foot pedal 5 is connected with the rotating shaft on the supporting arm 11 through the rotating arm 6, and the user rotates the foot pedal 5 to drive the rotating arm 6 to swing clockwise or counterclockwise, and drive the corresponding rotating shaft and gear A3 or B to rotate, and the other gear rotates synchronously in the opposite direction.

[0030] The rotating shaft rotates in the bearing, and the connection mode of the rotating shaft with the gear and the rotating arm 6 is the prior art, which is not limited in the embodiment.

[0031] The embodiment also comprises a magnetic resistance mechanism 7, the magnetic resistance mechanism 7 comprises a base 71, a magnetic control flywheel 72, a driving wheel 73 and a driven wheel 74, the base 71 is arranged on the upper frame 1 and is rotatably installed with a rotating shaft, the magnetic control flywheel 72 is rotatably installed on the rotating shaft, the driven wheel 74 is arranged on the shell 721 of the magnetic control flywheel 72, the driving wheel is installed with the rotating shaft of the gear B4, and is connected with the driven wheel 74 through a belt, the gear B4 and the driving wheel 73 rotate synchronously through the rotating shaft, the driving wheel 73 drives the driven wheel 74 and the magnetic control flywheel 72 to rotate synchronously, and the magnetic control flywheel 72 provides resistance to the gear B4, so as to meet the training requirements of different resistance.

[0032] The magnetic control flywheel 72 is provided with an inner shell 722, a magnet 723, an adjusting arm 724 and an adjusting piece 725, the inner shell 722 is installed inside and outside the shell 721, the shell 721 rotates on the inner shell 722, the two shells are provided with rotating holes arranged oppositely and are respectively installed on the rotating shaft, the magnet 723 is arranged in the inner shell 722, the adjusting arm 724 has two and is symmetrically arranged, one end of the adjusting arm 724 is rotatably installed in the inner shell, the other end is connected with the adjusting piece 725, the distance between the adjusting arm 724 and the shell 721 is controlled through the adjusting piece 725, and the distance between the magnet 723 and the shell 721 is driven.

[0033] The adjusting piece 725 is connected with two pull ropes, one pull rope drives the adjusting piece 725 to move inward along the guide groove in the inner shell 722, drives the adjusting arm 742 to move away from the shell 721, and the other pull rope drives the adjusting piece 725 to move outward along the guide groove in the inner shell 722, and drives the adjusting arm 724 to move close to the shell 721.

[0034] The inner shell 722 is provided with at least two springs, the inner shell 722 is provided with a recess for placing the spring, and the outer end of the spring abuts against the adjusting arm 724, and the adjusting arm 724 is driven to move outward by the spring.

[0035] The two supporting arms 11 of the upper frame 1 are symmetrically arranged left and right, and the gear A3 and the gear B4 are symmetrically arranged left and right at the same level.

[0036] The base frame 2 is connected with a seat for the user to sit on.

[0037] The upper frame 1 is connected with a handrail for a user to hold, a pull rope can be arranged on the handrail, a rotating handle is arranged on the handrail, the pull rope is pulled or loosened by rotating the rotating handle, the rotating handle is installed on the handrail through a rotating seat, and a control mode is a common structure on a fitness bicycle or a bicycle, and the embodiment is not limited.

[0038] In the embodiment, the upper frame 1 is connected with the lower frame, the upper frame 1 is provided with a support arm, gear A3 and gear B4 are rotatably installed on the support arm, the tooth shapes of the two gears are structures with sharp two ends and thick middle, friction can be reduced, noise can be reduced, and meanwhile, the synchronous transmission process of the gears can train the left and right circle movement of the legs of a user, and the training requirement of the legs of the user can be met.

[0039] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A fitness device with a noise-reducing gear structure, characterized in that: The device includes an upper frame, a base frame, gear A, gear B, and foot pedals. The upper frame and base frame are installed vertically. The upper frame has two support arms positioned to the left and right. Each support arm has a rotating opening containing a bearing and a rotating shaft. Gear A and gear B are respectively mounted on the rotating shafts of the two support arms and mesh with each other. The teeth of gear A and gear B are both tapered at both ends and thick in the middle. There are two foot pedals, each connected to a rotating shaft via a rotating arm. When the user steps on the foot pedal, the rotating arm swings clockwise or counterclockwise, causing the corresponding rotating shaft and gear A or B to rotate. The other gear rotates synchronously in the opposite direction.

2. The fitness device with a noise-reducing gear structure as described in claim 1, characterized in that: It also includes a magnetic resistance mechanism, which includes a base, a magnetically controlled flywheel, a driving wheel, and a driven wheel. The base is mounted on the upper frame and has a rotating shaft rotatably mounted on it. The magnetically controlled flywheel is rotatably mounted on the rotating shaft. The driven wheel is mounted on the outer shell of the magnetically controlled flywheel. The driving wheel is mounted on the rotating shaft of gear B and is connected to the driven wheel via a belt. Gear B rotates synchronously with the driving wheel, driving the driven wheel and the magnetically controlled flywheel to rotate synchronously. The magnetically controlled flywheel provides resistance to gear B.

3. A fitness device with a noise-reducing gear structure as described in claim 2, characterized in that: The magnetic flywheel has an inner shell, a magnet, an adjusting arm, and an adjusting component. The inner shell is installed inside and outside the outer shell, and the outer shell rotates on the inner shell. The magnet is located on the inner shell. There are two adjusting arms, which are symmetrically arranged. One end of the adjusting arm is rotatably installed on the inner shell, and the other end is connected to the adjusting component. The distance between the adjusting arm and the outer shell is controlled by the adjusting component, which in turn drives the distance between the magnet and the outer shell.

4. A fitness device with a noise-reducing gear structure as described in claim 3, characterized in that: The adjusting component is connected to two pull ropes. One pull rope pulls the adjusting component inward along the guide groove in the inner shell, pulling the adjusting arm away from the outer shell. The other pull rope pulls the adjusting component outward along the guide groove in the inner shell, pulling the adjusting arm closer to the outer shell.

5. A fitness device with a noise-reducing gear structure as described in claim 4, characterized in that: The inner shell is provided with at least two springs, the outer ends of which abut against the adjusting arm, and the adjusting arm is pushed outward by the springs.

6. A fitness device with a noise-reducing gear structure as described in claim 1, characterized in that: The two support arms of the upper frame are symmetrically arranged on the left and right, and gears A and B are arranged at the same horizontal level on the left and right.

7. A fitness device with a noise-reducing gear structure as described in claim 1, characterized in that: The base frame is connected to a seat for the user to sit on.

8. A fitness device with a noise-reducing gear structure as described in claim 1, characterized in that: The upper shelf is connected to a handrail for the user to hold onto.

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