Lightweight resistance mechanism for rowing machine

Abstract

The utility model discloses a light weight resistance mechanism for a rowing machine, which is applied to the rowing machine and comprises a frame, a large synchronizing wheel, a small synchronizing wheel, a large belt wheel, a small belt wheel and a flywheel, the frame is provided with a first rotating frame, a second rotating frame and a third rotating frame, the large synchronizing wheel is rotatably mounted on the first rotating frame, and the small synchronizing wheel is rotatably mounted on the second rotating frame. A small synchronous wheel and a large belt wheel are installed on the second rotating frame left and right, the small belt wheel and a flywheel are installed on the third rotating frame, the large synchronous wheel and the small synchronous wheel are connected through a first synchronous belt, and the large belt wheel and the small belt wheel are connected through a second synchronous belt; when the rowing machine is used, the large synchronous wheel rotates on the first rotating frame and drives the small synchronous wheel to rotate through the first synchronous belt, the small synchronous wheel drives the large belt wheel to rotate through the second rotating frame, and the large belt wheel drives the flywheel to rotate through the third rotating frame. The resistance mechanism for the rowing machine is light in weight, low in noise and capable of being conveniently and independently assembled by a user.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness equipment, in particular to a lightweight resistance mechanism for a rowing machine. Background Art

[0002] Rowing machine is a commonly used fitness equipment, which is mainly used for strength training. It increases or decreases resistance to meet the training needs of different strengths. The traditional resistance mechanism uses chain transmission. However, the chain is noisy during use, so regular maintenance is required. The chain friction is reduced by applying silencer grease. However, after long-term use, the chain is easy to harbor dirt and dirt. Dirt will wear the chain and reduce its silencer effect, resulting in poor user experience. In addition, the traditional resistance mechanism has low assembly efficiency and cannot meet the user's needs for self-installation. Therefore, it is necessary to design a lightweight resistance mechanism for rowing machines to replace the traditional chain-type, which has low noise and is easy for users to assemble independently. Utility Model Content

[0003] The purpose of the utility model is to provide a lightweight resistance mechanism for a rowing machine.

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

[0005] The cam is connected to the first rotating frame by the second cam, and the cam is connected to the second rotating frame by the second cam.

[0006] Furthermore, the frame includes a base plate, an oblique frame and a bracket, the oblique frame and the bracket are respectively mounted on both ends of the base plate by screws, and the bracket is mounted on the inner side of the oblique frame by screws.

[0007] Furthermore, the first rotating frame and the third rotating frame are respectively arranged on the left and right sides of the oblique frame, and the first rotating frame and the third rotating frame are both provided with a rotating shaft and a bearing for rotation.

[0008] Furthermore, the bracket is provided with aligned rotating openings on both sides, and the two ends of the second rotating frame are respectively rotatably installed on the two rotating openings. The second rotating frame is provided with a rotating shaft and bearings for rotation, and the small synchronous wheel and the large pulley are respectively installed on the rotating shaft through bearings for left and right rotation.

[0009] Furthermore, the inclined frame is provided with a connecting frame and a resistance frame, the connecting frame is mounted on the inclined frame by screws, the resistance frame is rotatably mounted on the connecting frame by a rotating shaft and is placed above the flywheel, and the resistance frame is provided with a plurality of magnetic blocks that cooperate with the flywheel.

[0010] Furthermore, the bracket is provided with a connecting plate, the connecting plate is equipped with a swing arm, the swing arm is rotatably connected to the resistance frame, and the distance between the resistance frame and the flywheel is adjusted by controlling the swing arm.

[0011] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0012] The utility model is installed on the frame through the large synchronous wheel, small synchronous wheel, large pulley, small pulley, flywheel, first rotating frame, second rotating frame and third rotating frame, uses the flywheel to generate resistance, and replaces the traditional chain transmission with the first belt and the second belt to realize the transmission of the large synchronous wheel, small synchronous wheel, large pulley, small pulley and flywheel. The frame structure is simple and stable, and the various components are easy to install, thereby realizing a lightweight resistance mechanism for the rowing machine, low noise, and easy self-assembly by users. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the present invention from another angle;

[0015] Figure 3 This is a schematic diagram of the decomposition structure of the utility model.

[0016] Description of reference numerals:

[0017] Frame 1; large synchronous wheel 2; small synchronous wheel 3; large pulley 4; small pulley 5; flywheel 6; first turret 11; second turret 12; third turret 13; first synchronous belt 14; second synchronous belt 15; bottom plate 16; inclined frame 17; bracket 18; connecting frame 171; resistance frame 172; connecting plate 181. DETAILED DESCRIPTION

[0018] 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.

[0019] 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.

[0020] Example

[0021] Cooperate Figures 1 to 3 As shown, the utility model discloses a lightweight resistance mechanism for a rowing machine, which is applied to the rowing machine and includes a frame 1, a large synchronous wheel 2, a small synchronous wheel 3, a large pulley 4, a small pulley 5 and a flywheel 6. The frame 1 is provided with a first rotating frame 11, a second rotating frame 12 and a third rotating frame 13. The large synchronous wheel 2 is rotatably mounted on the first rotating frame 11, the small synchronous wheel 3 and the large pulley 4 are mounted left and right on the second rotating frame 12, and the small pulley 5 and the flywheel 6 are mounted on the third rotating frame 13. The large synchronous wheel 2 and the small synchronous wheel 3 are connected by a first synchronous belt 14, and the large pulley 4 and the small pulley 5 are connected by a second synchronous belt 15; when the rowing machine is in use, the large synchronous wheel 2 rotates on the first rotating frame 11 and drives the small synchronous wheel 3 to rotate through the first synchronous belt 14, the small synchronous wheel 3 drives the large pulley 4 to rotate through the second rotating frame 12, and the large pulley 4 drives the flywheel 6 to rotate through the third rotating frame 13.

[0022] The frame 1 includes a base plate 16 , an oblique frame 17 and a bracket 18 . The oblique frame 17 and the bracket 18 are respectively mounted on both ends of the base plate 16 by screws, and the bracket 18 is mounted on the inner side of the oblique frame 17 by screws.

[0023] The first rotating frame 11 and the third rotating frame 13 are respectively arranged on the left and right sides of the inclined frame 17. The first rotating frame 11 and the third rotating frame 13 are provided with a rotating shaft and a bearing for rotation. The inclined frame 17 is provided with a rotating hole for installing the rotating shaft.

[0024] There are aligned rotating openings on both sides of the bracket 18, and the two ends of the second rotating frame 12 are respectively rotatably installed on the two rotating openings. The second rotating frame 12 is provided with a rotating shaft and bearings for rotation. The rotating shaft is installed in the rotating opening, and the small synchronous wheel 3 and the large pulley 4 are respectively installed on the rotating shaft for left and right rotation through bearings.

[0025] The inclined frame 17 is provided with a connecting frame 171 and a resistance frame 172. The connecting frame 171 is mounted on the inclined frame 17 by screws. The resistance frame 172 is rotatably mounted on the connecting frame 171 by a rotating shaft and is placed above the flywheel 6. A plurality of magnetic blocks that cooperate with the flywheel 6 are provided in the resistance frame 172.

[0026] Bracket 18 is provided with a connecting plate 181, to which is mounted a swing arm. Connecting plate 181 is provided with a control port and a control seat. The swing arm is disposed within the control port and mounted to the control seat, preferably rotatably mounted via a rotating shaft. The swing arm passes through the control port and is connected and cooperates with the rowing machine controller. The connection method is conventional and is not limited in this embodiment. The swing arm is rotatably connected to the resistance frame 172, and the distance between the resistance frame 172 and the flywheel 6 is adjusted by controlling the swing arm. The control method of the swing arm in this embodiment is a control structure commonly used in rowing machines and is not limited in this embodiment. It can be controlled by a telescopic motor or adjusted by manually pulling different gears.

[0027] In this embodiment, a large synchronous wheel 2, a small synchronous wheel 3, a large pulley 4, a small pulley 5, a flywheel 6, a first rotating frame 11, a second rotating frame 12 and a third rotating frame 13 are installed on a frame 1, and resistance is generated by the flywheel 6. The first belt and the second belt replace the traditional chain transmission to realize the transmission of the large synchronous wheel 2, the small synchronous wheel 3, the large pulley 4, the small pulley 5 and the flywheel 6. The frame 1 has a simple and stable structure, and the various components are easy to install, thereby realizing a lightweight resistance mechanism for the rowing machine, low noise, and easy self-assembly by users.

[0028] 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 lightweight resistance mechanism for a rowing machine, the mechanism being applied to a rowing machine, characterized in that: The cam is connected to the second cam by a first gear and a second gear is connected to the third gear via a transmission mechanism, the transmission mechanism being: a first gear connected to the first gear and a second gear connected to the third gear; a second gear connected to the second gear is connected to the third gear via a transmission mechanism; a first gear connected to the first gear and a second gear connected to the third gear; a second gear connected to the second gear is connected to the third gear; and 2. The lightweight resistance mechanism for a rowing machine according to claim 1, characterized in that: The frame comprises a bottom plate, an oblique frame and a bracket. The oblique frame and the bracket are respectively mounted on two ends of the bottom plate by screws, and the bracket is mounted on the inner side of the oblique frame by screws.

3. The lightweight resistance mechanism for a rowing machine according to claim 2, characterized in that: The first rotating frame and the third rotating frame are respectively arranged on the left and right sides of the oblique frame. The first rotating frame and the third rotating frame are both provided with a rotating shaft and a bearing for rotation.

4. The lightweight resistance mechanism for a rowing machine according to claim 2, wherein: The bracket is provided with aligned rotating openings on both sides, and the two ends of the second rotating frame are respectively rotatably installed on the two rotating openings. The second rotating frame is provided with a rotating shaft and bearings for rotation, and the small synchronous wheel and the large pulley are respectively rotatably installed on the rotating shaft through bearings.

5. The lightweight resistance mechanism for a rowing machine according to claim 3, characterized in that: The inclined frame is provided with a connecting frame and a resistance frame. The connecting frame is mounted on the inclined frame by screws. The resistance frame is rotatably mounted on the connecting frame by a rotating shaft and is placed above the flywheel. A plurality of magnetic blocks cooperating with the flywheel are provided in the resistance frame.

6. The lightweight resistance mechanism for a rowing machine according to claim 5, characterized in that: The bracket is provided with a connecting plate, and the connecting plate is equipped with a swing arm. The swing arm is rotatably connected to the resistance frame, and the distance between the resistance frame and the flywheel is adjusted by controlling the swing arm.

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