A dual-effect elliptical machine

Abstract

The present invention belongs to the field of elliptical machines, and particularly relates to a dual-effect elliptical machine, which includes a machine base and pedals arranged on the machine base. A fixed seat is arranged on the machine base, a transmission wheel is rotatably arranged on the fixed seat, and a connecting frame connected to the pedals is arranged on the transmission wheel; a brake wheel is arranged on the transmission wheel, the brake wheel is coaxially arranged with the transmission wheel and rotates synchronously with the transmission wheel. A braking member cooperating with the brake wheel and an adjusting device for adjusting the braking member are arranged on the machine base, and the adjusting device controls the braking member to abut against the brake wheel and hinder the rotation of the brake wheel; An electric motor and a controller for controlling the start of the electric motor are also arranged on the machine base. The transmission wheel is connected to the output shaft of the electric motor through a transmission belt. When the electric motor starts, the electric motor drives the pedals to move through the transmission belt and provides resistance to the pedals. The purpose of the present invention is to provide a dual-effect elliptical machine with good exercise effect and convenient adjustment.

Description

Technical Field

[0001] The present invention belongs to the technical field of elliptical machines, and particularly relates to a dual-effect elliptical machine. Background Art

[0002] The elliptical machine, also known as the space walker, is a very good device for cardiorespiratory function exercise and is loved by many users and professionals. The slope design, resistance adjustment function, programmed exercise modes, and the ability to specifically exercise certain tissues and muscles in the lower limbs of the elliptical machine make it a common exercise device for rehabilitation exercises. In order to make the exercise effect of the elliptical machine better, it is necessary to increase the load on the elliptical machine. Most common loads increase the friction during the movement of the elliptical machine through brake pads. However, when the elliptical machine is used for a long time, the brake pads are easily worn, thus affecting the exercise effect of the elliptical machine. Summary of the Invention

[0003] In order to overcome the defects in the prior art, the purpose of the present invention is to provide a dual-effect elliptical machine with good exercise effect and convenient adjustment.

[0004] The purpose of the present invention is achieved as follows:

[0005] A dual-effect elliptical machine includes a machine base and pedals provided on the machine base. A fixed seat is provided on the machine base, a transmission wheel is rotatably provided on the fixed seat, and a connecting frame connected to the pedals is provided on the transmission wheel; a brake wheel is provided on the transmission wheel, the brake wheel is coaxially provided with the transmission wheel and rotates synchronously with the transmission wheel. A brake member cooperating with the brake wheel and an adjusting device for adjusting the brake member are provided on the machine base. The adjusting device controls the brake member to abut against the brake wheel and hinder the rotation of the brake wheel;

[0006] An electric motor and a controller for controlling the start of the electric motor are further provided on the machine base. The transmission wheel is connected to the output shaft of the electric motor through a transmission belt. When the electric motor starts, the electric motor drives the pedals to move through the transmission belt and provides resistance to the pedals.

[0007] After adopting the above structure, the user can control the resistance of the elliptical machine by adjusting the brake member through the adjusting device, or can also adjust the resistance of the elliptical machine by controlling the movement of the electric motor. Moreover, these two methods can not only be used separately, but also be used in combination, which is convenient for the user to flexibly adjust the resistance of the elliptical machine according to needs, thereby improving the exercise effect of the elliptical machine. And the user can control the start-stop or rotation speed of the electric motor through the controller to adjust the resistance of the pedals, which is convenient for the user to control and adjust.

[0008] The present invention is further provided as follows: An installation seat is provided on the brake member. The adjusting device includes an adjusting knob connected to the installation seat. The adjusting knob is threadedly connected to the machine base. The adjusting knob drives the brake member to move and abut tightly against the brake wheel, thereby increasing the friction between the brake wheel and the brake member.

[0009] The present invention is further configured such that: the braking member is made of a flexible material, and the braking member is annular and sleeved on the brake wheel. During use, the adjusting knob pulls the mounting seat away from the brake wheel and makes the braking member press tightly against the brake wheel.

[0010] After adopting the above structure, the user drives the braking member to move through the adjusting knob and the mounting seat. The structure is simple and convenient to adjust. Moreover, since the adjusting knob is threadedly connected to the machine base, stepless adjustment can be achieved during the adjustment process of the braking member, facilitating the user to flexibly adjust the relative acting force between the braking member and the brake wheel according to their own needs.

[0011] The present invention is further configured such that: a spring piece connected to the mounting seat is provided on the machine base, and the adjusting knob controls the movement of the mounting seat and deforms the spring piece.

[0012] The present invention is further configured such that: the fixing seat extends upward to form a fixing portion above the brake wheel. One end of the spring piece is fixedly provided on the fixing portion, and the other end of the spring piece extends outward around the brake wheel and is connected to the mounting seat.

[0013] After adopting the above structure, the setting of the spring piece can support the mounting seat, preventing the braking member from being deflected due to friction, thereby affecting the cooperation between the braking member and the brake wheel and the driving control of the braking member by the adjusting knob. Since one end of the spring piece is provided above the brake wheel and the other end of the elastic piece extends outward around the brake pad, this structure is conducive to preventing the mounting seat from moving axially toward the brake wheel and is conducive to the cooperation between the braking member and the brake wheel.

[0014] The present invention is further configured such that: a detachable left housing and a right housing are provided on the machine base. The motor, the transmission wheel, and the brake wheel are all arranged in the left housing and the right housing, and an installation groove is provided on the left housing and / or the right housing. A nut threadedly connected to the adjusting knob is provided in the installation groove, and the adjusting knob passes through the nut and is connected to the mounting seat.

[0015] After adopting the above structure, the structure is simple and convenient for the assembly of the elliptical machine. Moreover, since the elliptical machine requires a large frictional force, the position where the adjusting knob is threadedly connected to the machine base is subjected to a large force during use. The setting of the nut and the installation groove is conducive to improving the strength of the connection position between the machine base and the adjusting knob and preventing accidental damage to the machine base.

[0016] The present invention is further configured such that: a hinge shaft is provided on the brake wheel, and a bearing connected to the hinge shaft is provided on the fixing seat. The fixing seat includes mounting plates respectively arranged on both sides of the brake wheel, and a pressing plate is detachably arranged on the mounting plate. An installation groove is provided on the pressing plate, and the opening of the installation groove faces the mounting plate and presses the bearing tightly against the mounting plate.

[0017] The present invention is further configured such that: abutting protrusions extend on both sides of the brake wheel, and the abutting protrusions abut against the inner ring of the bearing.

[0018] After adopting the above structure, it is beneficial to the stable installation of the brake wheel. And in this structure, the bearing is not directly installed in the fixed seat, so the fixed seat does not need to have a large thickness, which is beneficial to reducing the weight and production cost of the elliptical machine. The provision of the abutting protrusion facilitates the positioning and installation of the brake wheel and the positioning cooperation between the brake wheel and the brake member.

[0019] The present invention is further configured as: rollers are provided on the footrest, and a strip-shaped groove is provided on the machine base. When the footrest moves, the rollers move in the strip-shaped groove, and a protrusion is provided at the bottom of the strip-shaped groove, and an inclined surface extending towards both ends of the strip-shaped groove is provided on the protrusion.

[0020] After adopting the above structure, the provision of the rollers and the strip-shaped groove facilitates the stable movement of the footrest and is convenient for the user to use the elliptical machine. The provision of the second protrusion is beneficial to increasing the resistance during the movement of the footrest and improving the training effect.

[0021] The present invention is further configured as: a belt pulley is provided on the output shaft of the motor, and the diameter of the transmission pulley is larger than the diameter of the belt pulley.

[0022] After adopting the above structure, since the rotational speed of the motor is mostly very fast, this structure is beneficial to realizing the speed reduction transmission between the motor and the footrest and is convenient for the user to use. And in this structure, the wrap angle of the belt pulley is small, which is beneficial to preventing the occurrence of motor overload during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the present invention;

[0024] Figure 2 is a partial cross-sectional view of the present invention;

[0025] Figure 3 is a schematic diagram of the transmission structure of the present invention;

[0026] Figure 4 is an exploded view of the connection structure of the left housing, the right housing and the machine base in the present invention;

[0027] Figure 5 is a cross-sectional view of the installation structure of the brake wheel in the present invention.

[0028] The meanings of the reference numerals in the drawings: 1 - machine base; 11 - right housing; 12 - left housing; 13 - strip-shaped groove; 14 - fixed seat;

[0029] 15 - fixing part; 16 - spring piece; 17 - placement groove; 18 - nut; 131 - protrusion; 132 - inclined surface;

[0030] 141 - mounting plate; 142 - pressing plate; 143 - bearing; 144 - mounting groove; 2 - footrest; 21 - mounting shaft;

[0031] 22 - connecting frame; 23 - roller; 3 - brake wheel; 31 - hinge shaft; 32 - abutting projection; 4 - brake member;

[0032] 41 - mounting seat; 42 - driving wheel; 5 - adjusting knob; 6 - motor; 61 - belt pulley; 7 - transmission belt; 8 - controller. Detailed implementation manner

[0033] The present invention will be further described below with reference to the accompanying drawings in specific embodiments:

[0034] See Figures 1 to 5 As shown, a double - effect elliptical machine includes a machine base 1 and pedals 2 arranged on the machine base 1. A fixed seat 14 is arranged on the machine base 1, a driving wheel 42 is rotatably arranged on the fixed seat 14, and a connecting frame 22 is arranged on the driving wheel 42. An installation shaft 21 connected to the connecting frame 22 is rotatably arranged on the pedal 2; a brake wheel 3 is arranged on the driving wheel 42. The brake wheel 3 is coaxially arranged with the driving wheel 42 and rotates synchronously with the driving wheel 42. A brake member 4 cooperating with the brake wheel 3 and an adjusting device for adjusting the brake member 4 are arranged on the machine base 1. The adjusting device controls the brake member 4 to abut against the brake wheel 3 and hinder the rotation of the brake wheel 3; An electric motor 6 and a controller 8 for controlling the start of the electric motor 6 are further arranged on the machine base 1. The driving wheel 42 is connected to the output shaft of the electric motor 6 through a transmission belt 7. When the electric motor 6 starts, the electric motor 6 drives the pedal 2 to move through the transmission belt 7 and provides resistance to the pedal 2. After adopting this structure, the user can control the resistance of the elliptical machine by adjusting the brake member 4 through the adjusting device, or can also adjust the resistance of the elliptical machine by controlling the movement of the electric motor 6. Moreover, these two methods can not only be used separately, but also be used in combination, which is convenient for the user to flexibly adjust the resistance of the elliptical machine according to needs, thereby improving the exercise effect of the elliptical machine. In this embodiment, the user can control the start - stop or rotation speed of the electric motor 6 through the controller 8 to adjust the resistance of the pedal 2, which is convenient for the user to control and adjust.

[0035] Since the rotation speed of the electric motor 6 is mostly very fast, preferably, a belt pulley 61 is arranged on the output shaft of the electric motor 6, and the diameter of the driving wheel 42 is larger than the diameter of the belt pulley 61. This structure is beneficial to realize the speed - reducing transmission between the electric motor 6 and the pedal 2, which is convenient for the user to use. And in this structure, the wrap angle of the belt pulley 61 is small, which is beneficial to reducing the friction between the belt pulley 61 and the transmission belt 7, and is beneficial to preventing the occurrence of overload of the electric motor 6 during use. When the movement speed of the pedal 2 is too fast, the transmission belt 7 will slip relative to the belt pulley 61.

[0036] An installation base 41 is provided on the brake member 4. The adjusting device includes an adjusting knob 5 connected to the installation base 41. The adjusting knob 5 is threadedly connected to the machine base 1. The adjusting knob 5 drives the brake member 4 to move and press against the brake wheel 3, thereby increasing the friction between the brake wheel 3 and the brake member 4. The user drives the brake member 4 to move through the adjusting knob 5 and the installation base 41. The structure is simple and convenient to adjust. Moreover, since the adjusting knob 5 is threadedly connected to the machine base 1, stepless adjustment can be achieved during the adjustment process of the brake member 4, which is convenient for the user to flexibly adjust the relative acting force between the brake member 4 and the brake wheel 3 according to their own needs.

[0037] An arc-shaped pressing wall is provided on the brake member 4. During use, the adjusting knob 5 drives the brake member 4 to move and press against the brake wheel 3. This structure is simple and convenient for production and installation. In this embodiment, it is preferably that the brake member 4 is made of a flexible material, and the brake member 4 is annular and sleeved on the brake wheel 3. During use, the adjusting knob 5 pulls the installation base 41 away from the brake wheel 3 and makes the brake member 4 press against the brake wheel 3. This structure is beneficial to increasing the contact area between the brake member 4 and the brake wheel 3, thereby increasing the friction between the brake member 4 and the brake wheel 3.

[0038] A spring piece 16 connected to the installation base 41 is provided on the machine base 1. The adjusting knob 5 controls the movement of the installation base 41 and deforms the spring piece 16. The setting of the spring piece 16 can support the installation base 41, preventing the brake member 4 from being deflected due to friction, thereby affecting the cooperation between the brake member 4 and the brake wheel 3 and the driving control of the adjusting knob 5 on the brake member 4.

[0039] In the present invention, the fixed seat 14 extends upward to form a fixed portion 15 above the brake wheel 3. One end of the spring piece 16 is fixedly provided on the fixed portion 15, and the other end of the spring piece 16 extends outward from the outer circumference of the brake wheel 3 and is connected to the installation base 41. This structure is beneficial to preventing the installation base 41 from moving axially toward the brake wheel 3 and is beneficial to the cooperation between the brake member 4 and the brake wheel 3.

[0040] Detachable left and right shells 12 and 11 are provided on the machine base 1. The motor 6, the transmission wheel 42, and the brake wheel 3 are all arranged in the left and right shells 12 and 11. An installation groove 17 is provided on the left shell 12 and / or the right shell 11. A nut 18 threadedly connected to the adjusting knob 5 is arranged in the installation groove 17. The adjusting knob 5 passes through the nut 18 and is connected to the installation base 41. This structure is simple and convenient for the assembly of the elliptical machine. Moreover, since the elliptical machine requires a large amount of friction, the position where the adjusting knob 5 is threadedly connected to the machine base 1 is subjected to a large force during use. The setting of the nut 18 and the installation groove 17 is beneficial to improving the strength of the connection position between the machine base 1 and the adjusting knob 5 and preventing the machine base 1 from being accidentally damaged. In this embodiment, installation grooves 17 are provided on both the left shell 12 and the right shell 11, and the nut 18 cooperates with the two installation grooves 17 simultaneously.

[0041] A hinge shaft 31 is provided on the brake wheel 3, and a bearing 143 connected to the hinge shaft 31 is provided on the fixed seat 14. The fixed seat 14 includes mounting plates 141 respectively arranged on both sides of the brake wheel 3, and a pressing plate 142 is detachably arranged on the mounting plate 141. An installation groove 144 is provided on the pressing plate 142. The opening of the installation groove 144 faces the mounting plate 141 and presses the bearing 143 against the mounting plate 141. This is beneficial to the stable installation of the brake wheel 3. And in this structure, the bearing 143 is not directly installed in the fixed seat 14, so the fixed seat 14 does not need a large thickness, which is beneficial to reducing the weight and production cost of the elliptical machine.

[0042] In this embodiment, it is preferred that abutting protrusions 32 extend from both sides of the brake wheel 3, and the abutting protrusions 32 abut against the inner ring of the bearing 143. The setting of the abutting protrusions 32 facilitates the positioning installation of the brake wheel 3 and the positioning cooperation between the brake wheel 3 and the brake member 4.

[0043] A roller 23 is provided on the pedal 2, and a strip-shaped groove 13 is provided on the machine base 1. When the pedal 2 moves, the roller 23 moves in the strip-shaped groove 13. And a protruding portion 131 is provided at the bottom of the strip-shaped groove 13, and an inclined surface 132 extending towards both ends of the strip-shaped groove 13 is provided on the protruding portion 131. The setting of the roller 23 and the strip-shaped groove 13 facilitates the stable movement of the pedal 2 and is convenient for the user to use the elliptical machine. The setting of the protruding portion 131 is beneficial to increasing the resistance during the movement of the pedal 2 and improving the training effect.

[0044] The above embodiments are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A double-effect elliptical machine, comprising a machine base (1) and pedals (2) arranged on the machine base (1). Characterized in that: A fixed seat (14) is arranged on the machine base (1), a transmission wheel (42) is rotatably arranged on the fixed seat (14), and a connecting frame (22) connected to the pedal (2) is arranged on the transmission wheel (42); a brake wheel (3) is arranged on the transmission wheel (42), the brake wheel (3) is coaxially arranged with the transmission wheel (42) and rotates synchronously with the transmission wheel (42), a brake member (4) cooperating with the brake wheel (3) and an adjusting device for adjusting the brake member (4) are arranged on the machine base (1), and the adjusting device controls the brake member (4) to abut against the brake wheel (3) and hinder the rotation of the brake wheel (3). An electric motor (6) and a controller (8) for controlling the start of the electric motor (6) are further arranged on the machine base (1), the transmission wheel (42) is connected to the output shaft of the electric motor (6) through a transmission belt (7), when the electric motor (6) starts, the electric motor (6) drives the pedal (2) to move through the transmission belt (7) and provides resistance for the pedal (2). A spring piece (16) connected to the mounting seat (41) is arranged on the machine base (1), and an adjusting knob (5) controls the movement of the mounting seat (41) and deforms the spring piece (16). The fixed seat (14) extends upward above the brake wheel (3) to form a fixed part (15), one end of the spring piece (16) is fixedly arranged on the fixed part (15), and the other end of the spring piece (16) extends outward around the brake wheel (3) and is connected to the mounting seat (41).

2. A double-effect elliptical machine according to claim 1, Characterized in that: A mounting seat (41) is arranged on the brake member (4), the adjusting device includes an adjusting knob (5) connected to the mounting seat (41), the adjusting knob (5) is threadedly connected to the machine base (1), and the adjusting knob (5) drives the brake member (4) to move and abut tightly against the brake wheel (3), thereby increasing the friction between the brake wheel (3) and the brake member (4).

3. A double-effect elliptical machine according to claim 2, Characterized in that: The brake member (4) is made of a flexible material, and the brake member (4) is annular and sleeved on the brake wheel (3). During use, the adjusting knob (5) pulls the mounting seat (41) away from the brake wheel (3) and makes the brake member (4) abut tightly against the brake wheel (3).

4. A double-effect elliptical machine according to claim 1, Characterized in that: A detachable left housing (12) and a right housing (11) are arranged on the machine base (1), the electric motor (6), the transmission wheel (42) and the brake wheel (3) are all arranged in the left housing (12) and the right housing (11), and a placement groove (17) is arranged on the left housing (12) and / or the right housing (11), a nut (18) threadedly connected to the adjusting knob (5) is arranged in the placement groove (17), and the adjusting knob (5) passes through the nut (18) and is connected to the mounting seat (41).

5. A double-effect elliptical machine according to claim 1 or 2 or 3 or 4, Characterized in that: A hinge shaft (31) is provided on the brake wheel (3), and a bearing (143) connected to the hinge shaft (31) is provided on the fixed seat (14). The fixed seat (14) includes mounting plates (141) respectively arranged on both sides of the brake wheel (3), and a pressing plate (142) is detachably arranged on the mounting plate (141). An installation groove (144) is provided on the pressing plate (142), and the opening of the installation groove (144) faces the mounting plate (141) and presses the bearing (143) against the mounting plate (141).

6. A dual-effect elliptical machine according to claim 5, characterized in that: Tightening protrusions (32) are formed by extending on both sides of the brake wheel (3), and the tightening protrusions (32) are tightened on the inner ring of the bearing (143).

7. A dual-effect elliptical machine according to claim 1 or 2 or 3 or 4 or 6, characterized in that: Rollers (23) are provided on the footrests (2), and strip-shaped grooves (13) are provided on the machine base (1). When the footrests (2) move, the rollers (23) move in the strip-shaped grooves (13), and a raised portion (131) is provided at the bottom of the strip-shaped grooves (13). An inclined surface (132) extending towards both ends of the strip-shaped groove (13) is provided on the raised portion (131).

8. A dual-effect elliptical machine according to claim 7, characterized in that: A pulley (61) is provided on the output shaft of the motor (6), and the diameter of the transmission pulley (42) is larger than the diameter of the pulley (61).

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