Adjustable resistance exercise bicycle

Abstract

The utility model discloses an adjustable resistance exercise bicycle which comprises a bicycle body, a display screen, a driving part used for adjusting the height of the display screen and a rotating part used for adjusting the angle of the display screen. The driving part comprises a supporting rod connected with the vehicle body, a placing plate connected with the top of the supporting rod, a fixed seat connected with the top of the placing plate, a moving groove formed in the top of the fixed seat, a moving plate connected with the moving groove, a rack connected with the bottom of the moving plate and a gear connected with the rack; through the arrangement of the bicycle body, the display screen, the driving part and the rotating part, the problems that an existing adjustable resistance exercise bicycle is usually provided with the display screen, exercise data are adjusted and watched through the display screen, the height and angle of the existing display screen are relatively fixed, exercisers with different heights are relatively strenuous to watch the display screen, and the exercise data are difficult to watch are solved. The watching height and the watching angle of the display screen are inconvenient to adjust according to people with different heights, so that the practicability is low.

Description

Technical Field

[0001] The utility model relates to the technical field of fitness bikes, in particular to an adjustable resistance fitness bike. Background Art

[0002] In the field of sports science, a fitness bike is called a "power bike", which is divided into two types: an upright type and a backrest type (also called a horizontal type). The resistance during exercise can be adjusted according to the exercise needs to achieve the fitness effect, so it is called a fitness bike.

[0003] The existing patent CN216022967U discloses a magnetically controlled adjustable resistance fitness bike, which includes a frame, a pedal device installed on the frame, a transmission device, a flywheel connected to the pedal device through the transmission device, and a magnetically controlled resistance device that cooperates with the flywheel to generate resistance. The transmission device includes a primary transmission mechanism and a secondary transmission mechanism. The primary transmission mechanism includes a primary driving wheel driven to rotate by the pedal device and a primary driven wheel connected to the primary driving wheel through a transmission belt. The secondary transmission mechanism includes a secondary driving wheel coaxial with the primary driven wheel and a secondary driven wheel connected to the secondary driving wheel through a transmission belt. The secondary driven wheel is coaxial with the flywheel. The magnetically controlled fitness bike of the utility model has a simple structure design and a compact and reasonable layout. Through the secondary transmission system, a high speed ratio can be achieved within the limited space of the fitness bike, so that the fitness bike can meet the requirements of high inertia and high power of a racing bike even when the flywheel is relatively light.

[0004] Currently, the adjustable resistance fitness bikes are usually equipped with a display screen to adjust and view the exercise data. However, the height and angle of the current display screen are relatively fixed, and it is relatively laborious for exercisers of different heights to view the display screen, which is not convenient to adjust the viewing height and viewing angle of the display screen according to the people of different heights, thus resulting in relatively low practicability. Content of the Utility Model

[0005] The purpose of the utility model is to provide an adjustable resistance fitness bike to solve the problem that the currently adjustable resistance fitness bikes are usually equipped with a display screen to adjust and view the exercise data, but the height and angle of the current display screen are relatively fixed, and it is relatively laborious for exercisers of different heights to view the display screen, which is not convenient to adjust the viewing height and viewing angle of the display screen according to the people of different heights, thus resulting in relatively low practicability as mentioned in the above background art.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An adjustable resistance exercise bike, comprising a vehicle body, a display screen, a driving component for adjusting the height of the display screen, and a rotating component for adjusting the angle of the display screen. The driving component includes a support rod connected to the vehicle body, a placement plate connected to the top of the support rod, a fixed seat connected to the top of the placement plate, a moving groove opened on the top of the fixed seat, a moving plate connected to the moving groove, a rack connected to the bottom of the moving plate, a gear connected to the rack, a driving shaft connected to the gear, a control component for driving the rotation of the driving shaft, and an auxiliary component for improving the moving stability of the display screen. The driving shaft is rotatably connected to the fixed seat, the moving plate is slidably connected to the moving groove, and the gear meshes with the rack.

[0007] Preferably, the rotating component includes a connecting plate fixedly connected to the top of the moving plate, a U-shaped plate fixedly connected to the top of the connecting plate, a rotating shaft connected to the U-shaped plate, a rotating block fixedly connected to the outer side of the rotating shaft, a locking disc fixedly connected to one side of the rotating shaft, a plurality of card slots arranged in a circumferential manner on the outer side of the locking disc, an extension plate fixedly connected to one side of the U-shaped plate, a through hole opened on the extension plate, a moving rod connected to the through hole, a fixing plate connected to the top of the moving rod, a clamping rod connected to the top of the fixing plate, a spring sleeved on the outer side of the moving rod, and a pulling plate connected to the bottom of the moving rod. The clamping rod is slidably connected to the card slot, the rotating shaft is rotatably connected to the U-shaped plate, the moving rod is slidably connected to the through hole, and the rotating block is fixedly connected to the display screen.

[0008] Preferably, the control component includes a worm gear connected to the outer side of the driving shaft, a worm connected to the worm gear, and support plates respectively connected to both sides of the worm. The worm gear meshes with the worm, the support plates are fixedly connected to the fixed seat, and the worm is rotatably connected to the support plates.

[0009] Preferably, the auxiliary component includes auxiliary grooves respectively opened on both sides inside the moving groove and auxiliary blocks respectively fixedly connected to both sides of the moving plate. The auxiliary blocks are slidably connected to the auxiliary grooves.

[0010] Preferably, guiding grooves are respectively opened on both sides inside the U-shaped plate, guiding blocks are respectively fixedly connected to both sides of the rotating block, and the guiding blocks are slidably connected to the guiding grooves.

[0011] Preferably, a limiting groove is opened on one side of the moving rod, a limiting plate is fixedly connected inside the through hole, and the limiting plate is slidably connected to the limiting groove.

[0012] Preferably, a knob plate is provided at one end of the worm, and the knob plate is fixedly connected to the worm.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. By setting up the vehicle body, display screen and drive components, rotating the worm can drive the worm wheel to rotate, which can further drive the drive shaft to rotate, and then drive the gear to rotate. The gear can drive the rack to move up and down, and then drive the moving plate to move up and down, so as to drive the display screen to move up and down. The height of the display screen can be adjusted according to the user's needs, which is convenient for people of different heights to use. Moreover, due to the self-locking characteristic of the worm and worm wheel, it can ensure that the display screen will not move down under the action of gravity, thus improving the practicability of the device;

[0015] 2. By setting up a rotating component, the clamping rod can move out of the clamping groove, and at the same time, it can squeeze the spring to deform. The rotation of the display screen can drive the rotating block and the rotating shaft to rotate, and then drive the locking disc to rotate, so as to adjust the use angle of the display screen according to the needs. The clamping rod can be inserted into the clamping groove under the push of the spring to fix the display screen and prevent the display screen from resetting, thus further improving the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structure diagram provided by the present utility model;

[0017] Figure 2 is a left view provided by the present utility model;

[0018] Figure 3 is provided by the present utility model Figure 2 is a three-dimensional sectional view at A-A in

[0019] Figure 4 is provided by the present utility model Figure 3 is an enlarged view at C in

[0020] Figure 5 is provided by the present utility model Figure 3 is an enlarged view at D in

[0021] Figure 6 is provided by the present utility model Figure 2 is a three-dimensional sectional view at B-B in

[0022] Figure 7 is provided by the present utility model Figure 6 is an enlarged view at E in

[0023] In the figure: 1, vehicle body; 11, display screen; 21, support rod; 22, placement plate; 23, fixed seat; 24, moving groove; 25, moving plate; 26, rack; 27, gear; 28, drive shaft; 31, connecting plate; 32, U-shaped plate; 33, rotating shaft; 34, rotating block; 35, locking disc; 36, card slot; 37, extension plate; 38, through hole; 39, moving rod; 40, fixing plate; 41, clamping rod; 42, spring; 43, pulling plate; 51, worm gear; 52, worm; 53, support plate; 61, auxiliary groove; 62, auxiliary block; 71, guiding groove; 72, guiding block; 81, limiting groove; 82, limiting plate; 91, button plate. Detailed implementation manners

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 7, the present utility model provides a technical solution: an adjustable resistance exercise bike, including a vehicle body 1, a display screen 11, a driving component for adjusting the height of the display screen 11, and a rotating component for adjusting the angle of the display screen 11. The driving component includes a support rod 21 connected to the vehicle body 1, a placement plate 22 connected to the top of the support rod 21, a fixed seat 23 connected to the top of the placement plate 22, a moving groove 24 opened at the top of the fixed seat 23, a moving plate 25 connected to the moving groove 24, a rack 26 connected to the bottom of the moving plate 25, a gear 27 connected to the rack 26, a driving shaft 28 connected to the gear 27, a control component for rotating the driving shaft 28, and an auxiliary component for improving the moving stability of the display screen 11. The driving shaft 28 is rotatably connected to the fixed seat 23, the moving plate 25 is slidably connected to the moving groove 24, the gear 27 meshes with the rack 26, the rotation of the driving shaft 28 can drive the rotation of the gear 27, the rotation of the gear 27 drives the rack 26 to move up and down, and then can drive the moving plate 25 to move up and down, so as to adjust the height of the display screen 11, facilitating different personnel to use and observe the display screen 11. The control component includes a worm gear 51 connected to the outer side of the driving shaft 28, a worm 52 connected to the worm gear 51, and support plates 53 respectively connected to both sides of the worm 52. The worm gear 51 meshes with the worm 52, the support plates 53 are fixedly connected to the fixed seat 23, the worm 52 is rotatably connected to the support plates 53, the rotation of the worm 52 can drive the rotation of the worm gear 51, and then facilitate driving the driving shaft 28 and the gear 27 to rotate, and further facilitate adjusting the height of the display screen 11. The auxiliary component includes auxiliary grooves 61 respectively opened on both sides inside the moving groove 24 and auxiliary blocks 62 respectively fixedly connected to both sides of the moving plate 25. The auxiliary blocks 62 are slidably connected to the auxiliary grooves 61, the auxiliary blocks 62 can move synchronously with the moving plate 25, and can support and guide the movement of the moving plate 25, preventing the moving plate 25 from shifting and skewing, and then ensuring the moving stability of the display screen 11. One end of the worm 52 is provided with a knob plate 91, the knob plate 91 is fixedly connected to the worm 52, and the knob plate 91 can facilitate driving the rotation of the worm 52, and then can facilitate driving the rotation of the worm gear 51, facilitating adjusting the height of the display screen 11.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, the rotating component includes a connecting plate 31 fixedly connected to the top of the moving plate 25, a U-shaped plate 32 fixedly connected to the top of the connecting plate 31, a rotating shaft 33 connected to the U-shaped plate 32, a rotating block 34 fixedly connected to the outer side of the rotating shaft 33, a locking disc 35 fixedly connected to one side of the rotating shaft 33, a plurality of card slots 36 arranged in a circular pattern on the outer side of the locking disc 35, an extension plate 37 fixedly connected to one side of the U-shaped plate 32, a through hole 38 opened on the extension plate 37, a moving rod 39 connected to the through hole 38, a fixing plate 40 connected to the top of the moving rod 39, a clamping rod 41 connected to the top of the fixing plate 40, a spring 42 sleeved on the outer side of the moving rod 39, and a pulling plate 43 connected to the bottom of the moving rod 39. The clamping rod 41 is slidably connected to the card slot 36, the rotating shaft 33 is rotatably connected to the U-shaped plate 32, the moving rod 39 is slidably connected to the through hole 38, the rotating block 34 is fixedly connected to the display screen 11. The two ends of the spring 42 are respectively fixedly connected to the fixing plate 40 and the extension plate 37. Moving the pulling plate 43 can drive the clamping rod 41 to disengage from the card slot 36, and at the same time deform the spring 42. At this time, the display screen 11 can be rotated, and then the display angle of the display screen 11 can be adjusted. When the spring 42 is reset, it can push the clamping rod 41 into the card slot 36 to fix the display screen 11 and prevent the display screen 11 from resetting. Guide grooves 71 are respectively opened on both sides inside the U-shaped plate 32. Guide blocks 72 are respectively fixedly connected to both sides of the rotating block 34. The guide blocks 72 are slidably connected to the guide grooves 71. The guide blocks 72 can rotate synchronously with the rotating block 34, and then can drive the stability of the rotation of the display screen 11, and further improve the stability of adjusting the angle of the display screen 11. A limiting groove 81 is opened on one side of the moving rod 39. A limiting plate 82 is fixedly connected inside the through hole 38. The limiting plate 82 is slidably connected to the limiting groove 81. When the moving rod 39 moves, the limiting plate 82 can slide in the limiting groove 81 to prevent the moving rod 39 from rotating and prevent the spring 42 from being damaged due to rotation.

[0027] Working principle: During operation, turn the knob plate 91. The knob plate 91 can drive the worm 52 to rotate. The rotation of the worm 52 can drive the worm wheel 51 to rotate. The rotation of the worm wheel 51 can drive the drive shaft 28 to rotate. The rotation of the drive shaft 28 can drive the gear 27 to rotate. The rotation of the gear 27 can drive the rack 26 to move. The movement of the rack 26 can drive the moving plate 25 to move. The movement of the moving plate 25 can drive the display screen 11 to move, and the height of the display screen 11 can be adjusted. Adjust it to the appropriate height. Pull the pulling plate 43. The downward movement of the pulling plate 43 can drive the moving rod 39 to move downward. The downward movement of the moving rod 39 can drive the fixing plate 40 and the clamping rod 41 to move downward. The downward movement of the fixing plate 40 compresses the spring 42, causing the spring 42 to deform. The downward movement of the clamping rod 41 disengages from the card slot 36. At this time, the locking disc 35 and the display screen 11 are released. Rotate the display screen 11 to the appropriate tilt angle, and then release the pulling plate 43. At this time, the spring 42 resets. The reset of the spring 42 can push the fixing plate 40 and the clamping rod 41 to reset. After the clamping rod 41 resets, it can be inserted into the card slot 36 to lock the locking disc 35, and then the display screen 11 can be locked to prevent the display screen 11 from resetting. Furthermore, the height and angle of the display screen 11 can be adjusted to facilitate use and viewing by different personnel. The above is the working process of the entire device, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable resistance exercise bike, comprising a vehicle body (1), a display screen (11), a driving component for adjusting the height of the display screen (11), and a rotating component for adjusting the angle of the display screen (11), characterized in that: The driving component includes a support rod (21) connected to the vehicle body (1), a placement plate (22) connected to the top of the support rod (21), a fixed seat (23) connected to the top of the placement plate (22), a moving groove (24) opened at the top of the fixed seat (23), a moving plate (25) connected to the moving groove (24), a rack (26) connected to the bottom of the moving plate (25), a gear (27) connected to the rack (26), a driving shaft (28) connected to the gear (27), a control component for rotating the driving shaft (28), and an auxiliary component for improving the moving stability of the display screen (11). The driving shaft (28) is rotatably connected to the fixed seat (23), the moving plate (25) is slidably connected to the moving groove (24), and the gear (27) meshes with the rack (26).

2. The adjustable resistance exercise bike according to claim 1, wherein: The rotating component includes a connecting plate (31) fixedly connected to the top of the moving plate (25), a U-shaped plate (32) fixedly connected to the top of the connecting plate (31), a rotating shaft (33) connected to the U-shaped plate (32), a rotating block (34) fixedly connected to the outer side of the rotating shaft (33), a locking disc (35) fixedly connected to one side of the rotating shaft (33), a plurality of card slots (36) arranged in a circular pattern on the outer side of the locking disc (35), an extension plate (37) fixedly connected to one side of the U-shaped plate (32), a through hole (38) opened on the extension plate (37), a moving rod (39) connected to the through hole (38), a fixing plate (40) connected to the top of the moving rod (39), a clamping rod (41) connected to the top of the fixing plate (40), a spring (42) sleeved on the outer side of the moving rod (39), and a pulling plate (43) connected to the bottom of the moving rod (39). The clamping rod (41) is slidably connected to the card slots (36), the rotating shaft (33) is rotatably connected to the U-shaped plate (32), the moving rod (39) is slidably connected to the through hole (38), and the rotating block (34) is fixedly connected to the display screen (11).

3. An adjustable resistance exercise bike according to claim 1, characterized in that: The control component includes a worm gear (51) connected to the outer side of the driving shaft (28), a worm (52) connected to the worm gear (51), and support plates (53) respectively connected to both sides of the worm (52). The worm gear (51) meshes with the worm (52), the support plates (53) are fixedly connected to the fixed seat (23), and the worm (52) is rotatably connected to the support plates (53).

4. An adjustable resistance exercise bike according to claim 1, characterized in that: The auxiliary component includes auxiliary grooves (61) respectively opened on both sides inside the moving groove (24) and auxiliary blocks (62) respectively fixedly connected to both sides of the moving plate (25). The auxiliary blocks (62) are slidably connected to the auxiliary grooves (61).

5. The adjustable resistance exercise bike according to claim 2, characterized in that: Guide grooves (71) are respectively opened on both sides inside the U-shaped plate (32), guide blocks (72) are respectively fixedly connected to both sides of the rotating block (34), and the guide blocks (72) are slidably connected to the guide grooves (71).

6. The adjustable resistance exercise bike according to claim 2, characterized in that: A limiting groove (81) is opened on one side of the moving rod (39), a limiting plate (82) is fixedly connected inside the through hole (38), and the limiting plate (82) is slidably connected to the limiting groove (81).

7. An adjustable resistance exercise bike according to claim 3, characterized in that: One end of the worm (52) is provided with a button plate (91), and the button plate (91) is fixedly connected to the worm (52).

Images