Rowing machine with resistance adjusting structure

Abstract

The utility model relates to the technical field of rowing machines, in particular to a rowing machine with a resistance adjusting structure, which comprises a base, the inner wall of the base is in sliding connection with the outer wall of a seat cushion part, the inner wall of the base is fixedly connected with the outer wall of the center of a pedal part, when a user pulls a nylon rope by pulling a pull rod, a pulley rotates along with the nylon rope, and the resistance adjusting structure is arranged on the pedal part. The rotation of the pulley drives the rotation of the transmission rod, the rotation of the transmission rod drives the rotation ring to rotate in the rotation groove of the resistance water tank, when the rotation ring rotates, the threaded rod and the fan blades rotate along with the rotation ring, the rotation of the fan blades generates resistance in water, and the water resistance effect during rowing is simulated. The balancing weight can enable the pulling rod to restore to the initial position when the pulling rod is subjected to the pulling force of a user, the next movement and rotation of the adjusting pipe are cyclically carried out, the threaded rod can rotate and horizontally move, the included angle between the fan blades and the rotation is adjusted, the contact area between the fan blades and water is changed, resistance is adjusted, and therefore the exercise intensity is adjusted, and the exercise requirements of different users are met.

Description

Technical Field

[0001] The utility model relates to the technical field of rowing machines, in particular to a rowing machine with a resistance adjustment structure. Background Art

[0002] The rowing machine's design primarily simulates the motion of rowing a boat, simulating water resistance with varying resistance levels, allowing users to experience a similar rowing experience. This design principle makes the rowing machine a full-body aerobic exercise device, effectively working multiple parts of the body, including the legs, waist, upper body, chest, and back.

[0003] Currently, most rowing machines on the market may only provide fixed resistance levels and cannot be adjusted according to user needs. Therefore, their exercise intensity upper limit is relatively low, and users cannot actively adjust the resistance to adapt to different exercise needs. Utility Model Content

[0004] The present invention aims to provide a rowing machine with a resistance adjustment mechanism to address the aforementioned problem of the inability to adjust the resistance of the rowing machine according to user needs, as discussed in the prior art. To achieve this objective, the present invention provides the following technical solution: a rowing machine with a resistance adjustment mechanism comprises a base, the inner wall of which is slidably connected to the outer wall of a seat cushion, and the inner wall of which is fixedly connected to the outer wall of a footrest at its center.

[0005] The inner wall of the base is fixedly connected to the outer wall of the display component, the outer wall of the display component is movably abutted against the outer wall of the resistance component, and the top of the resistance component is fixedly connected to the bottom of the base.

[0006] Preferably, the base consists of two bottom plates, two support plates, a main rod and a functional rod, and the cross-sectional shape of the two support plates is set to be L-shaped, the tops of the two bottom plates are fixedly connected to the bottoms of the two support plates by bolts, and the inner wall of the top of one of the support plates is fixedly connected to the outer wall of one end of the main rod by bolts, the other end of the main rod is fixedly connected to one end of the functional rod, and the outer wall of the other end of the functional rod is fixedly connected to the inner wall of the top of the other support plate by bolts, the inner walls on both sides of the main rod are provided with sliding grooves, and the vertical inner wall of the functional rod is provided with a pulling hole.

[0007] Preferably, the seat cushion component includes four pulleys, two rotating shafts, two connecting blocks, a connecting plate and a seat cushion block, and every two pulleys, a rotating shaft and a connecting block form a group, the inner walls of the two pulleys are respectively fixedly connected to the outer walls at both ends of the rotating shaft, and the outer wall at the center of the rotating shaft is rotatably connected to the inner wall of the connecting block, the cross-sectional shape of the connecting plate is set to be U-shaped, and the tops of the two connecting blocks are respectively fixedly connected to the bottoms on both sides of the connecting plate by bolts, the top of the connecting plate is fixedly connected to the bottom of the seat cushion block, and the outer walls of the two groups of pulleys are respectively slidably connected to the inner walls of the two slide grooves.

[0008] Preferably, the pedal component consists of a fixed rod, two rotating blocks, two foot pedals, two limiting rings and two locking blocks, and the outer walls of the fixed rod near both ends are rotatably connected to the inner walls of the two rotating blocks, the tops of the two rotating blocks are fixedly connected to the bottoms of the two foot pedals, and the tops of the two foot pedals are fixedly connected to the bottom ends of the two limiting rings, the inner walls at both ends of the fixed rod are fixedly connected to the inner walls of the two locking blocks by bolts, and one side of the two locking blocks is movably abutted against one side of the two rotating blocks, and the outer wall at the center of the fixed rod is fixedly connected to the inner wall of the main rod.

[0009] Preferably, the display component includes a fixed column, two supporting rods, a connecting column and a display screen, and the connecting column is provided with three ends on both sides and the front, the two ends of the fixed column are respectively fixedly connected to the bottom ends of the two supporting rods, and the top ends of the two supporting rods are respectively fixedly connected to the two ends of the connecting column close to the two sides, the end of the connecting column close to the front is fixedly connected to the back of the display screen, and the outer wall of the fixed column is fixedly connected to the inner wall of the function rod.

[0010] Preferably, the resistance member is composed of a support column, a resistance water tank, a rotating ring, two threaded rods, two fan blades, an adjusting tube, a transmission rod, a roller, a nylon rope, a pulling rod and a counterweight, and the outer wall of the bottom end of the support column is fixedly connected to the inner wall of the resistance water tank by a bolt, the inner wall of the resistance water tank is provided with a rotating groove, and the inner wall of the rotating groove is rotatably connected to the outer wall of the rotating ring, the inner wall of the rotating ring near both sides is threadedly connected to the outer walls of the two threaded rods respectively, and one end of the two threaded rods is provided with a fan blade, and the other end of the two threaded rods is provided with a The outer walls are respectively threadedly connected to the inner walls of the adjusting tube near both ends, and the thread lines of the two threaded rods are opposite. The transmission rod is provided with three ends on both sides and the front, and the two ends of the transmission rod near both sides are respectively fixedly connected to the inner walls of the rotating ring near both sides. A roller is provided at one end of the transmission rod near the front, and the outer wall of the roller is transmission-connected to the outer wall of the nylon rope. A pull rod and a counterweight are respectively provided at both ends of the nylon rope, and the top of the support column is fixedly connected to the bottom of the functional rod, and the outer wall of the pull rod is movably abutted against the outer wall of the support rod.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the utility model, when the user pulls the nylon rope by pulling the pulling rod, the roller rotates accordingly, and the rotation of the roller drives the rotation of the transmission rod, and the rotation of the transmission rod drives the rotating ring to rotate in the rotating groove of the resistance water tank. When the rotating ring rotates, the threaded rod and the fan blades rotate along with the rotating ring, and the rotation of the fan blades will generate resistance in the water, simulating the water resistance effect during rowing. The counterweight block can restore the pulling rod to its initial position when it is pulled by the user, and cycle for the next movement. Rotating the adjusting tube can make the threaded rod rotate and move horizontally, adjust the angle between the fan blades and the rotation, change the contact area between the fan blades and the water, and adjust the resistance, thereby adjusting the exercise intensity to meet the exercise needs of different users.

[0013] In the utility model, the pulley is connected to the rotating shaft in the connecting block, so that the seat cushion block can slide along the main rod together with the connecting plate. The sliding of the pulley in the slide groove reduces the friction during movement, making the user more comfortable when rowing or other training. The rotating block can be rotated on the fixed rod to facilitate the adjustment of the angle of the foot pedal. The user can find the most comfortable rowing posture according to his needs and exercise habits. After adjustment, the locking block is installed with bolts to ensure that the foot pedal remains stable during the rowing process and prevents it from accidentally rotating during use. The limit ring can prevent the user's feet from falling off the foot pedal when performing rowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 This is an exploded view of the seat cushion in the utility model;

[0018] Figure 5 This is an exploded view of the resistance member in the present invention.

[0019] In the figure: 1. Base; 101. Bottom plate; 102. Support plate; 103. Main rod; 104. Function rod; 2. Seat cushion; 201. Pulley; 202. Rotating shaft; 203. Connecting block; 204. Connecting plate; 205. Seat cushion block; 3. Pedal; 301. Fixed rod; 302. Rotating block; 303. Foot pedal; 304. Limiting ring; 305. Locking block; 4. Display component; 401. Fixed column; 402. Support rod; 403. Connecting column; 404. Display screen; 5. Resistance component; 501. Support column; 502. Resistance water tank; 503. Rotating ring; 504. Threaded rod; 505. Fan blade; 506. Adjusting tube; 507. Transmission rod; 508. Pulley; 509. Nylon rope; 510. Pull rod; 511. Counterweight. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a rowing machine with a resistance adjustment structure, comprising a base 1, the inner wall of the base 1 is slidably connected to the outer wall of the seat cushion 2, and the inner wall of the base 1 is fixedly connected to the outer wall of the center of the footrest 3.

[0022] The inner wall of the base 1 is fixedly connected to the outer wall of the display element 4 , the outer wall of the display element 4 is movably abutted against the outer wall of the resistance element 5 , and the top of the resistance element 5 is fixedly connected to the bottom of the base 1 .

[0023] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the base 1 consists of two bottom plates 101, two support plates 102, a main rod 103 and a functional rod 104, and the cross-sectional shape of the two support plates 102 is set to L-shaped, the tops of the two bottom plates 101 are fixedly connected to the bottoms of the two support plates 102 by bolts respectively, and the inner wall of the top of one of the support plates 102 is fixedly connected to the outer wall of one end of the main rod 103 by bolts, the other end of the main rod 103 is fixedly connected to one end of the functional rod 104, and the outer wall of the other end of the functional rod 104 is fixedly connected to the inner wall of the top of the other support plate 102 by bolts, the inner walls on both sides of the main rod 103 are provided with sliding grooves, and the vertical inner wall of the functional rod 104 is provided with pulling holes, the L-shaped cross-section of the support plate 102 provides additional support area, improves stability, the main rod 103 and the functional rod 104 form a stable frame, which provides the main support structure for the equipment.

[0024] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the seat cushion member 2 includes four pulleys 201, two rotating shafts 202, two connecting blocks 203, a connecting plate 204 and a seat cushion block 205, and every two pulleys 201, one rotating shaft 202 and one connecting block 203 form a group, the inner walls of the two pulleys 201 are fixedly connected to the outer walls at both ends of the rotating shaft 202, and the outer wall at the center of the rotating shaft 202 is rotatably connected to the inner wall of the connecting block 203, the cross-sectional shape of the connecting plate 204 is set to be U-shaped, and the tops of the two connecting blocks 203 are connected. The two pulleys 201 are fixedly connected to the bottom of both sides of the connecting plate 204 by bolts, the top of the connecting plate 204 is fixedly connected to the bottom of the seat cushion block 205, and the outer walls of the two sets of pulleys 201 are slidingly connected to the inner walls of the two slide grooves respectively. The pulley 201 is connected to the rotating shaft 202 on the connecting block 203, so that the seat cushion block 205 can slide along the main rod 103 together with the connecting plate 204. The sliding of the pulley 201 in the slide groove reduces the friction during movement, making the user more comfortable when rowing or other training.

[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the pedal member 3 is composed of a fixed rod 301, two rotating blocks 302, two foot pedals 303, two limiting rings 304 and two locking blocks 305, and the outer walls of the fixed rod 301 near both ends are rotatably connected to the inner walls of the two rotating blocks 302, the tops of the two rotating blocks 302 are fixedly connected to the bottoms of the two foot pedals 303, and the tops of the two foot pedals 303 are fixedly connected to the bottom ends of the two limiting rings 304, the inner walls at both ends of the fixed rod 301 are fixedly connected to the inner walls of the two locking blocks 305 by bolts, and the inner walls of the two locking blocks 305 are fixedly connected to the inner walls of the two locking blocks 305. One side is movably abutted against one side of the two rotating blocks 302, and the outer wall at the center of the fixed rod 301 is fixedly connected to the inner wall of the main rod 103. The rotating block 302 can rotate on the fixed rod 301 to facilitate adjusting the angle of the foot pedal 303. The user can find the most comfortable rowing posture according to his needs and exercise habits. After adjustment, the locking block 305 is installed with bolts to ensure that the foot pedal 303 remains stable during rowing and prevents it from accidentally rotating during use. The limit ring 304 can prevent the user's feet from leaving the foot pedal 303 when performing rowing.

[0026] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the display component 4 includes a fixed column 401, two support rods 402, a connecting column 403 and a display screen 404, and the connecting column 403 is provided with three ends on both sides and the front. The two ends of the fixed column 401 are respectively fixedly connected to the bottom ends of the two support rods 402, and the top ends of the two support rods 402 are respectively fixedly connected to the two ends of the connecting column 403 close to both sides, and the end of the connecting column 403 close to the front is fixedly connected to the back of the display screen 404, and the outer wall of the fixed column 401 is fixedly connected to the inner wall of the functional rod 104. Through the firm connection of the fixed column 401, the support rod 402 and the connecting column 403, a stable and reliable support platform is provided for the display screen 404. No matter what action the user performs on the rowing machine, the display screen can remain stable, providing the user with clear and accurate display information.

[0027] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the resistance member 5 is composed of a support column 501, a resistance water tank 502, a rotating ring 503, two threaded rods 504, two fan blades 505, an adjusting tube 506, a transmission rod 507, a roller 508, a nylon rope 509, a pulling rod 510 and a counterweight 511. The outer wall of the bottom end of the support column 501 is fixedly connected to the inner wall of the resistance water tank 502 by a bolt, the inner wall of the resistance water tank 502 is provided with a rotating groove, and the inner wall of the rotating groove is rotatably connected to the outer wall of the rotating ring 503, the inner wall of the rotating ring 503 near both sides is respectively threadedly connected to the outer walls of the two threaded rods 504, and one end of the two threaded rods 504 is provided with a fan blade 505, and the two threaded rods 5 04 The outer wall of the other end is respectively threadedly connected to the inner wall near the two ends of the adjusting tube 506, and the thread lines of the two threaded rods 504 are opposite. The transmission rod 507 is provided with three ends on both sides and the front, and the two ends of the transmission rod 507 near the two sides are respectively fixedly connected to the inner walls near the two sides of the rotating ring 503. A roller 508 is provided at one end of the transmission rod 507 near the front, and the outer wall of the roller 508 is transmission-connected to the outer wall of the nylon rope 509. A pulling rod 510 and a counterweight block 511 are respectively provided at both ends of the nylon rope 509, and the top of the support column 501 is fixedly connected to the bottom of the functional rod 104, and the outer wall of the pulling rod 510 is movably abutted against the outer wall of the support rod 402. When the user pulls the nylon rope 509 by pulling the pulling rod 510, the roller 508 rotates accordingly, and the rotation of the roller 508 drives the rotation of the transmission rod 507, and the rotation of the transmission rod 507 drives the rotating ring 503 to rotate in the rotating groove of the resistance water tank 502. When the rotating ring 503 rotates, the threaded rod 504 and the fan blades 505 rotate along with the rotating ring 503. The rotation of the fan blades 505 will generate resistance in the water, simulating the water resistance effect during rowing. The counterweight 511 can restore the pulling rod 510 to its initial position when it is pulled by the user, and cycle for the next exercise. Rotating the adjusting tube 506 can make the threaded rod 504 rotate and move horizontally, adjust the angle between the fan blades 505 and the rotation, so that the contact area between the fan blades 505 and the water changes and the resistance is adjusted, thereby adjusting the exercise intensity to meet the exercise needs of different users.

[0028] The use method and advantages of the utility model: When the rowing machine with resistance adjustment structure is in operation, the working process is as follows:

[0029] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, when the user pulls the nylon rope 509 by pulling the pulling rod 510, the roller 508 rotates accordingly, and the rotation of the roller 508 drives the rotation of the transmission rod 507, and the rotation of the transmission rod 507 drives the rotating ring 503 to rotate in the rotating groove of the resistance water tank 502. When the rotating ring 503 rotates, the threaded rod 504 and the fan blades 505 rotate along with the rotating ring 503. The rotation of the fan blades 505 will generate resistance in the water, simulating the water resistance effect during rowing. The counterweight 511 can restore the pulling rod 510 to its initial position when it is pulled by the user, and cycle for the next exercise. Rotating the adjusting tube 506 can make the threaded rod 504 rotate and move horizontally, adjust the angle between the fan blades 505 and the rotation, so that the contact area between the fan blades 505 and the water changes and adjusts the resistance, thereby adjusting the exercise intensity to meet the exercise needs of different users. The pulley 201 is connected to the rotating shaft 202 in the connecting block 203, so that the seat cushion block 205 can slide along the main rod 103 together with the connecting plate 204. The sliding of the pulley 201 in the slide groove reduces the friction during movement, making the user more comfortable when rowing or other training. The rotating block 302 can rotate on the fixed rod 301 to facilitate adjusting the angle of the foot pedal 303. The user can find the most comfortable rowing posture according to his needs and exercise habits. After adjustment, the locking block 305 is installed with bolts to ensure that the foot pedal 303 remains stable during rowing and prevents it from accidentally rotating during use. The limit ring 304 can prevent the user's feet from leaving the foot pedal 303 when performing rowing.

[0030] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A rowing machine with a resistance adjustment structure, comprising a base (1), characterized in that: The inner wall of the base (1) is slidably connected to the outer wall of the seat cushion (2), and the inner wall of the base (1) is fixedly connected to the outer wall at the center of the pedal (3); The inner wall of the base (1) is fixedly connected to the outer wall of the display component (4), the outer wall of the display component (4) is movably abutted against the outer wall of the resistance component (5), and the top of the resistance component (5) is fixedly connected to the bottom of the base (1).

2. The rowing machine with a resistance adjustment structure according to claim 1, characterized in that: The base (1) is composed of two bottom plates (101), two support plates (102), a main rod (103) and a functional rod (104), and the cross-sectional shape of the two support plates (102) is set to be L-shaped, the tops of the two bottom plates (101) are fixedly connected to the bottoms of the two support plates (102) respectively by bolts, and the inner wall of the top of one of the support plates (102) is fixedly connected to the outer wall of one end of the main rod (103) by bolts, the other end of the main rod (103) is fixedly connected to one end of the functional rod (104), and the outer wall of the other end of the functional rod (104) is fixedly connected to the inner wall of the top of the other support plate (102) by bolts, the inner walls on both sides of the main rod (103) are provided with sliding grooves, and the vertical inner wall of the functional rod (104) is provided with a pulling hole.

3. The rowing machine with a resistance adjustment structure according to claim 2, characterized in that: The seat cushion member (2) comprises four pulleys (201), two rotating shafts (202), two connecting blocks (203), a connecting plate (204) and a seat cushion block (205), and each two pulleys (201), one rotating shaft (202) and one connecting block (203) form a group, the inner walls of the two pulleys (201) are respectively fixedly connected to the outer walls at both ends of the rotating shaft (202), and the outer wall at the center of the rotating shaft (202) is rotatably connected to the inner wall of the connecting block (203), the cross-sectional shape of the connecting plate (204) is set to be U-shaped, and the tops of the two connecting blocks (203) are respectively fixedly connected to the bottoms on both sides of the connecting plate (204) by bolts, the top of the connecting plate (204) is fixedly connected to the bottom of the seat cushion block (205), and the outer walls of the two groups of pulleys (201) are respectively slidably connected to the inner walls of the two chute.

4. The rowing machine with a resistance adjustment structure according to claim 2, characterized in that: The pedal member (3) is composed of a fixed rod (301), two rotating blocks (302), two foot pedals (303), two limiting rings (304) and two locking blocks (305), and the outer walls of the fixed rod (301) near both ends are rotatably connected to the inner walls of the two rotating blocks (302), the tops of the two rotating blocks (302) are fixedly connected to the bottoms of the two foot pedals (303), and the tops of the two foot pedals (303) are fixedly connected to the bottom ends of the two limiting rings (304), the inner walls at both ends of the fixed rod (301) are fixedly connected to the inner walls of the two locking blocks (305) by bolts, and one side of the two locking blocks (305) is movably abutted against one side of the two rotating blocks (302), and the outer wall at the center of the fixed rod (301) is fixedly connected to the inner wall of the main rod (103).

5. The rowing machine with a resistance adjustment structure according to claim 2, characterized in that: The display component (4) comprises a fixed column (401), two support rods (402), a connecting column (403) and a display screen (404), and the connecting column (403) is provided with three ends on both sides and a front side, the two ends of the fixed column (401) are respectively fixedly connected to the bottom ends of the two support rods (402), and the top ends of the two support rods (402) are respectively fixedly connected to the two ends of the connecting column (403) close to both sides, one end of the connecting column (403) close to the front side is fixedly connected to the back side of the display screen (404), and the outer wall of the fixed column (401) is fixedly connected to the inner wall of the function rod (104).

6. The rowing machine with a resistance adjustment structure according to claim 5, characterized in that: The resistance member (5) is composed of a support column (501), a resistance water tank (502), a rotating ring (503), two threaded rods (504), two fan blades (505), an adjustment tube (506), a transmission rod (507), a roller (508), a nylon rope (509), a pulling rod (510) and a counterweight (511), and the outer wall of the bottom end of the support column (501) is fixedly connected to the inner wall of the resistance water tank (502) by a bolt, the inner wall of the resistance water tank (502) is provided with a rotating groove, and the inner wall of the rotating groove is rotatably connected to the outer wall of the rotating ring (503), the inner wall of the rotating ring (503) near both sides is respectively threadedly connected to the outer walls of the two threaded rods (504), and one end of each of the two threaded rods (504) is provided with a fan blade (505), and the two threaded rods The outer wall of the other end of (504) is respectively threadedly connected to the inner wall of the regulating tube (506) near both ends, and the thread lines of the two threaded rods (504) are opposite. The transmission rod (507) is provided with three ends on both sides and the front, and the two ends of the transmission rod (507) near both sides are respectively fixedly connected to the inner wall of the rotating ring (503) near both sides. The transmission rod (507) is provided with a roller (508) at one end near the front, and the outer wall of the roller (508) is transmission-connected to the outer wall of the nylon rope (509). The two ends of the nylon rope (509) are respectively provided with a pulling rod (510) and a counterweight (511), and the top of the support column (501) is fixedly connected to the bottom of the functional rod (104). The outer wall of the pulling rod (510) is movably abutted against the outer wall of the support rod (402).

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