CN211215200U - Exercise bike with front and rear adjustable resistance pull handles - Google Patents

Abstract

The utility model discloses an exercise bike with front and rear adjustable resistance pull handles, comprising: a car body, a resistance adjustment assembly and a front and rear pull handle assembly, wherein the resistance adjustment assembly comprises a chute, a slider, a motor, a ball screw, The first pulley, the second pulley, the third pulley and the guide roller wheel, the front and rear pull handle assembly includes elastic rope, front pull handle and rear pull handle, the utility model drives the lead screw of the ball screw to rotate through the motor, and then drives the ball The screw seat of the lead screw moves, and the movement of the screw seat drives the slider to move, thereby realizing the movement of the first pulley, so that the winding distance of the elastic rope changes, and the resistance is adjusted. The winding roller is rotated by the handle to make the elastic force The length of the rope at the first pulley, the second pulley and the third pulley is changed, which further increases the resistance adjustment range, which is convenient for use and adjustment.

Description

Exercise bike with front and rear adjustable resistance pull handles

technical field

The utility model relates to the technical field of exercise bikes, in particular to an exercise bike with front and rear adjustable resistance pull handles.

Background technique

In the field of fitness equipment, exercise bikes are widely used due to their simple structure and convenient use. Existing exercise bikes are divided into upright and back-to-back types, which can adjust the intensity (power) during exercise and play a role in fitness. The effect is that aerobic fitness equipment that is a typical simulation of outdoor sports is also called cardiopulmonary training equipment. It mainly promotes cardiovascular exercise, accelerates metabolism, and enhances heart and lung function through long-term, appropriate-intensity exercise. In order to improve the physical fitness of the human body, with the development of exercise bikes, some exercise bikes have front and rear pull handles, which can assist in training arm strength.

In the existing exercise bike with front and rear adjustable resistance pull handle, it is necessary to manually adjust the position of the pulley during use, which is not conducive to the adjustment of the exerciser. , which is not conducive to the adjustment of resistance adaptation and affects the range of adjustment.

Utility model content

The purpose of the utility model is to provide an exercise bike with front and rear adjustable resistance pull handles, which can be simply and conveniently used to adjust the position in a mechanical form, which is convenient for operation and use, and at the same time realizes the winding of the elastic rope, so that the elastic rope can be effectively The length is changed to better improve the adjustment range, so as to solve the problems raised in the above background art.

In order to achieve the above-mentioned purpose, the present utility model provides the following technical solutions: an exercise bike with front and rear adjustable resistance pull handles, including:

a vehicle body, the vehicle body includes a support frame, a beam and a seat, the beam is welded on the upper part of the support frame, and the seat is installed on the upper part of the beam;

A resistance adjustment assembly, the resistance adjustment assembly includes a chute, a slider, a motor, a ball screw, a first pulley, a second pulley, a third pulley and a guide roller, the chute is opened on the upper part of the beam, the The slider is slidably inserted on the outside of the chute, the motor is installed on the side of the seat through the motor seat, the lead screw of the ball screw is connected to the output end of the motor, and the lead screw seat of the ball screw is connected to the output end of the motor. The sides of the sliding block are connected, the first pulley is rotatably installed on the lower part of the sliding block through the bearing, the second pulley and the third pulley are both rotatably installed inside the chute through the bearing, and the guide roller is rotatably installed in the sliding groove. the side of the chute;

and a front and rear handle assembly, the front and rear handle assembly includes an elastic cord, a front handle and a rear handle, the lower parts of the front handle and the rear handle are both installed with connecting blocks, and the two sets of the connecting blocks pass through bearings. Rewinding rollers are rotatably installed, handles are installed on the outer sides of the two sets of rewinding rollers, threaded holes are opened on the sides of the two sets of handles, and bolts are threadedly connected to the inside of the two sets of threaded holes, so The end of the bolt is installed with a plug-in block, the side of the connection block is provided with a plug-in slot matched with the plug-in block, and one end of the elastic rope is connected to the outside of a group of the winding rollers, so The other end of the elastic rope is connected to the outside of the other group of the winding rollers through a guide roller, a third pulley, a first pulley and a second pulley in sequence.

Preferably, the outer wall of the chute and the inner wall of the slider are both smooth surfaces, and the inner side of the slider is provided with a through hole matched with the chute.

Preferably, grooves are formed on the surface sides of the first pulley, the second pulley and the third pulley, and the surface sides of the grooves are provided with concave-convex patterns.

Preferably, limit blocks are installed on both sides of the guide roller, and a protective cover is provided on the outer side of the guide roller, and the protective cover is installed on the side of the beam.

Preferably, the cross-sections of the front handle and the rear handle are both trapezoidal, and the outer sides of the front handle and the rear handle are sleeved with silicone sleeves.

Preferably, the cross section of the handle is arranged in a zigzag shape.

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

1. The lead screw of the ball screw is driven by the motor to rotate, and then the lead screw seat of the ball screw is driven to move, and the movement of the lead screw seat drives the slider to move, thereby realizing the movement of the first pulley, so that the winding distance of the elastic rope occurs. Change, to achieve the adjustment of resistance;

2. Rotate the take-up roller through the handle, so that the length of the elastic rope at the first pulley, the second pulley and the third pulley is changed, and the resistance adjustment range is further increased, which is convenient for use and adjustment.

Description of drawings

Fig. 1 is the axonometric drawing of the utility model;

2 is a schematic front view of the partial structure of the resistance adjustment assembly of the present invention;

3 is a schematic side sectional view of the structure of the slider part of the present invention;

FIG. 4 is a schematic side sectional view of the structure of the front handle part of the present invention.

In the figure: 1. car body; 101, support frame; 102, beam; 103, seat; 2, resistance adjustment assembly; 201, chute; 202, slider; 203, motor; 204, ball screw; 205, 1st pulley; 206, second pulley; 207, third pulley; 208, guide roller; 3, front and rear handle assembly; 301, elastic rope; 302, front handle; 303, rear handle; 304, connecting block; 305, rewinding roller; 306, handle; 307, threaded hole; 308, bolt; 309, plug-in block; 310, plug-in groove; 4, through hole; 5, groove; Block; 8. Protective cover; 9. Silicone cover.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-4, the present utility model provides a technical solution: an exercise bike with front and rear adjustable resistance pull handles, including:

Vehicle body 1, the vehicle body 1 includes a support frame 101, a beam 102 and a seat 103, the beam 102 is welded to the upper part of the support frame 101, and the seat 103 is installed on the upper part of the beam 102;

Please refer to Figure 1, Figure 2 and Figure 3, the resistance adjustment assembly 2, the resistance adjustment assembly 2 includes a chute 201, a slider 202, a motor 203, a ball screw 204, a first pulley 205, a second pulley 206, and a third pulley 207 and guide rollers 208, the chute 201 is opened on the upper part of the beam 102, the slider 202 is slidably inserted on the outside of the chute 201, the outer wall of the chute 201 and the inner wall of the slider 202 are smooth surfaces, and the The inner side is provided with a through hole 4 which is matched with the chute 201, the motor 203 is installed on the side of the seat 103 through the motor seat, the lead screw of the ball screw 204 is connected to the output end of the motor 203, and the lead screw of the ball screw 204 The seat is connected to the side of the sliding block 202, the first pulley 205 is rotatably installed on the lower part of the sliding block 202 through bearings, the second pulley 206 and the third pulley 207 are both rotatably installed inside the chute 201 through bearings, and the guide roller 208 It is rotatably installed on the side of the chute 201. The surface sides of the first pulley 205, the second pulley 206 and the third pulley 207 are provided with grooves 5. The surface side of the grooves 5 is provided with concave-convex patterns 6. The grooves 5 and The cooperation of the concave-convex pattern 6 increases friction and prevents slipping. Limit blocks 7 are installed on both sides of the guide roller 208, and the limit blocks 7 limit the elastic rope 301. The outer side of the guide roller 208 is provided with a protective cover 8 , the protective cover 8 is installed on the side of the beam 102;

1, 2 and 4, the front and rear handle assembly 3, the front and rear handle assembly 3 includes a bungee cord 301, a front handle 302 and a rear handle 303, and the cross-sections of the front handle 302 and the rear handle 303 are all trapezoidal. , the outer sides of the front handle 302 and the rear handle 303 are sleeved with a silicone sleeve 9, the silicone sleeve 9 increases the comfort of lifting, and the lower part of the front handle 302 and the rear handle 303 are installed with connecting blocks 304, one of the two groups of connecting blocks 304 Rewinding rollers 305 are installed between the two sets of rewinding rollers 305 through the rotation of bearings, handles 306 are installed on the outer sides of the two sets of winding rollers 305, threaded holes 307 are opened on the sides of the two sets of handles 306, and the interiors of the two sets of threaded holes 307 are threadedly connected. There are bolts 308, the ends of the bolts 308 are installed with a plug-in block 309, the side of the connection block 304 is provided with a plug-in groove 310 matched with the plug-in block 309, and one end of the elastic rope 301 is connected to a set of winding rollers 305 The other end of the elastic rope 301 is connected to the outside of another group of winding rollers 305 through the guide roller 208, the third pulley 207, the first pulley 205 and the second pulley 206 in turn, and the cross-section of the handle 306 is arranged in a zigzag shape. , it is convenient to rotate the handle 306 to insert the plug-in block 309 into the plug-in slot 310 .

Working principle: when in use, the motor 203 drives the lead screw of the ball screw 204 to rotate, thereby driving the lead screw seat of the ball screw 204 to move, and the movement of the lead screw seat drives the slider 202 to move, thereby realizing the movement of the first pulley 205 , so that the winding distance of the elastic rope 301 is changed, the adjustment of resistance is realized, and manual adjustment is avoided; the winding roller 305 is rotated by the handle 306, so that the elastic rope 301 is located in the first pulley 205, the second pulley 206 and the third pulley The length at 207 has been changed to further increase the resistance adjustment range, which is convenient for use and adjustment.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The exercise bike with front and rear adjustable resistance pull handle is characterized in that, comprising: A vehicle body (1), the vehicle body (1) comprising a support frame (101), a beam (102) and a seat (103), the beam (102) being welded to the upper part of the support frame (101), the seat The chair (103) is mounted on the upper part of the beam (102); A resistance adjustment assembly (2), the resistance adjustment assembly (2) includes a chute (201), a slider (202), a motor (203), a ball screw (204), a first pulley (205), and a second pulley (206), a third pulley (207) and a guide roller (208), the chute (201) is provided on the upper part of the beam (102), and the slider (202) is slidably inserted into the chute (201) The outer side of the motor (203) is mounted on the side of the seat (103) through a motor seat, the lead screw of the ball screw (204) is connected to the output end of the motor (203), and the ball screw ( The lead screw seat of 204) is connected to the side of the slider (202), the first pulley (205) is rotatably mounted on the lower part of the slider (202) through a bearing, the second pulley (206) and the third pulley (207) are rotatably installed inside the chute (201) through bearings, and the guide rollers (208) are rotatably installed on the side of the chute (201); and a front and rear pull handle assembly (3), the front and rear pull handle assembly (3) comprising a bungee cord (301), a front handle (302) and a rear handle (303), the front handle (302) and the rear handle ( A connecting block (304) is installed on the lower part of the 303), a winding roller (305) is installed between the two groups of the connecting blocks (304) through the bearing rotation, and the outer sides of the two groups of the winding rollers (305) are A handle (306) is installed, the two sets of handles (306) are provided with threaded holes (307) on the sides, and bolts (308) are threadedly connected to the inside of the two sets of threaded holes (307). A plug-in block (309) is installed at the end of (308), and a plug-in slot (310) matched with the plug-in block (309) is provided on the side of the connection block (304). The elastic cord (301) ) is connected to the outside of a group of said winding rollers (305), and the other end of said elastic rope (301) passes through the guide roller (208), the third pulley (207), the first pulley (205) in sequence And the second pulley (206) is connected with the outside of another group of the winding rollers (305). 2. The exercise bike with front and rear adjustable resistance pull handle according to claim 1, characterized in that: the outer wall of the chute (201) and the inner wall of the slider (202) are smooth surfaces, and the sliding The inner side of the block (202) is provided with a through hole (4) matched with the chute (201). 3. The exercise bike with front and rear adjustable resistance pull handle according to claim 1, characterized in that: the surface side of the first pulley (205), the second pulley (206) and the third pulley (207) Both are provided with grooves (5), and the surface sides of the grooves (5) are provided with concave-convex patterns (6). 4. The exercise bike with front and rear adjustable resistance pull handles according to claim 1, characterized in that: limit blocks (7) are installed on both sides of the guide roller (208), and the guide roller (208) 208) is provided with a protective cover (8) on the outer side, and the protective cover (8) is installed on the side of the beam (102). 5. The exercise bike with front and rear adjustable resistance pull handles according to claim 1, characterized in that: the cross-sections of the front handle (302) and the rear handle (303) are all trapezoidal settings, and the front handle (303) 302) and the outer side of the rear handle (303) are sleeved with a silicone cover (9). 6 . The exercise bike with front and rear adjustable resistance pull handles according to claim 1 , wherein the cross section of the handle ( 306 ) is arranged in a zigzag shape. 7 .

Images