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CN112473075A - Resistance adjustment mechanism and exercise bicycle - Google Patents

Resistance adjustment mechanism and exercise bicycle Download PDF

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Publication number
CN112473075A
CN112473075A CN202011272718.8A CN202011272718A CN112473075A CN 112473075 A CN112473075 A CN 112473075A CN 202011272718 A CN202011272718 A CN 202011272718A CN 112473075 A CN112473075 A CN 112473075A
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China
Prior art keywords
flywheel
magnetic member
resistance
resistance value
magnetic
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CN202011272718.8A
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Chinese (zh)
Inventor
田万桂
李锟
张鹏飞
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Shanghai Xiaomo Network Technology Co ltd
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Shanghai Xiaomo Network Technology Co ltd
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Priority to CN202011272718.8A priority Critical patent/CN112473075A/en
Publication of CN112473075A publication Critical patent/CN112473075A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00192Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resistance provided by magnetic means
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

本发明公开了一种阻力调节机构,用于健身车,包括:飞轮;第一调节组件,布置在所述飞轮的外周缘,包括第一磁性件、与第一磁性件连接的第一驱动结构,所述第一驱动结构适于带动第一磁性件向靠近或远离所述飞轮的方向运动,以便增大或减小飞轮转动时的第一阻力值;以及第二调节组件,布置在所述飞轮的外周缘,包括第二磁性件、与第二磁性件连接的第二驱动结构,所述第二驱动结构适于带动第二磁性件向靠近或远离所述飞轮的方向运动,以便增大或减小飞轮转动时的第二阻力值。此外,本发明还一并公开了包括上述阻力调节机构的健身车。本发明的阻力调节机构,可以实现手动调节和电动调节两种方式来调节飞轮转动时的阻力,有利于提高用户的运动体验。

Figure 202011272718

The invention discloses a resistance adjusting mechanism, which is used for an exercise bike. , the first driving structure is suitable for driving the first magnetic member to move toward or away from the flywheel, so as to increase or decrease the first resistance value when the flywheel rotates; and a second adjustment component, arranged on the flywheel The outer periphery of the flywheel includes a second magnetic member and a second driving structure connected with the second magnetic member, the second driving structure is suitable for driving the second magnetic member to move towards or away from the flywheel, so as to increase the Or reduce the second resistance value when the flywheel turns. In addition, the present invention also discloses an exercise bike including the above-mentioned resistance adjustment mechanism. The resistance adjustment mechanism of the present invention can realize manual adjustment and electric adjustment to adjust the resistance when the flywheel rotates, which is beneficial to improve the user's exercise experience.

Figure 202011272718

Description

Resistance adjustment mechanism and exercise bicycle
Technical Field
The invention relates to the technical field of fitness equipment, in particular to a resistance adjusting mechanism and a fitness bicycle.
Background
The existing body-building bicycle on the market generally adopts a part similar to a brake pad to generate friction force with a flywheel to form resistance for hindering the rotation of the flywheel, and the structure can cause the flywheel to be easy to wear, the service life is short, and the generated damping stability is poor. Moreover, this configuration generally allows adjustment of the resistance only by manual operation.
In the prior art, there is also a magnetically controlled flywheel structure for exercise bicycle, in which a permanent magnet is disposed on the periphery of a flywheel, an electromagnet is disposed on a support of the flywheel, and the resistance of the flywheel during rotation is adjusted by adjusting the current of the electromagnet through a control circuit. However, the flywheel resistance can only be adjusted through electric control in the scheme, the adjustment mode is single, and the requirements of users under different motion conditions cannot be met.
Therefore, it is necessary to provide a resistance adjustment mechanism to solve the problems in the above technical solutions.
Disclosure of Invention
To this end, the present invention provides a resistance adjustment mechanism and exercise bike that solves or at least alleviates the above-identified problems.
According to one aspect of the present invention, there is provided a resistance adjustment mechanism for an exercise bike, comprising: a flywheel; the first adjusting assembly is arranged on the outer periphery of the flywheel and comprises a first magnetic part and a first driving structure connected with the first magnetic part, and the first driving structure is suitable for driving the first magnetic part to move towards or away from the flywheel so as to increase or reduce a first resistance value when the flywheel rotates; and the second adjusting assembly is arranged on the outer periphery of the flywheel and comprises a second magnetic part and a second driving structure connected with the second magnetic part, and the second driving structure is suitable for driving the second magnetic part to move towards the direction close to or away from the flywheel so as to increase or reduce a second resistance value when the flywheel rotates.
Alternatively, in the resistance adjustment mechanism according to the present invention, the second drive structure includes: the first end of the connecting rod is rotatably connected with the first end of the second magnetic part, and the second end of the connecting rod and the second end of the second magnetic part are arranged at intervals; the motor is connected with the second end of the second magnetic part through a pull wire and is suitable for drawing the pull wire in rotation so as to drive the second end of the second magnetic part to rotate relative to the first end and move towards the direction far away from the flywheel, so that the second resistance value of the flywheel in rotation is reduced.
Optionally, in the resistance adjusting mechanism according to the present invention, a baffle is disposed at the second end of the connecting rod, and an elastic member is connected between the baffle and the second end of the second magnetic member; when the second end of the second magnetic part moves towards the direction far away from the flywheel, the second magnetic part is suitable for propping the elastic part to contract towards the direction of the baffle; the motor is suitable for releasing the pull wire when the motor rotates reversely, so that the second end of the second magnetic part moves towards the direction close to the flywheel under the action of the elastic restoring force of the elastic part, and the second resistance value when the flywheel rotates is increased.
Optionally, in the resistance adjusting mechanism according to the present invention, the baffle is further connected to the second end of the second magnetic member through a stud, and the stud is inserted through the baffle; when the second end of the second magnetic part moves towards the direction far away from the flywheel, the stud is driven to move relative to the baffle along the axis direction of the stud.
Alternatively, in the resistance adjustment mechanism according to the present invention, wherein the link is in a zigzag shape.
Optionally, in the resistance adjusting mechanism according to the present invention, the elastic member is a spring, and two ends of the spring respectively abut against the baffle and the second magnetic member.
Alternatively, in the resistance adjustment mechanism according to the present invention, the first adjustment structure includes: one end of the threaded screw rod is connected with the first magnetic piece and extends in the direction far away from the first magnetic piece along the axial direction; and the adjusting knob is rotatably arranged at one end of the threaded screw rod, which is far away from the first magnetic part, and is suitable for driving the threaded screw rod to move along the axial direction when rotating so as to drive the first magnetic part to move towards the direction close to or far away from the flywheel.
Alternatively, in the resistance adjustment mechanism according to the present invention, the magnetic member includes: the mounting seat is arc-shaped and is arranged along the outer peripheral edge of the flywheel; one or more permanent magnets mounted on the mount on a side facing the flywheel.
Alternatively, in the resistance adjustment mechanism according to the present invention, the resistance value when the flywheel rotates is a sum of the first resistance value and the second resistance value.
According to one aspect of the present invention, there is provided an exercise bike including a resistance adjustment mechanism as described above.
According to the technical scheme, the resistance adjusting mechanism comprises the manual adjusting assembly and the electric adjusting assembly, so that the resistance of the flywheel during rotation can be adjusted in a manual adjusting mode and an electric adjusting mode, a user can conveniently select a resistance adjusting mode which is more convenient to operate in different using states, and the exercise experience of the user is improved.
In addition, the resistance adjusting mechanism is provided with two resistance adjusting assemblies, and the resistance value of the flywheel during rotation is the sum of the resistance adjusted by the manual adjusting assembly and the resistance adjusted by the electric adjusting assembly.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
To the accomplishment of the foregoing and related ends, certain illustrative aspects are described herein in connection with the following description and the annexed drawings, which are indicative of various ways in which the principles disclosed herein may be practiced, and all aspects and equivalents thereof are intended to be within the scope of the claimed subject matter. The above and other objects, features and advantages of the present disclosure will become more apparent from the following detailed description read in conjunction with the accompanying drawings. Throughout this disclosure, like reference numerals generally refer to like parts or elements.
Fig. 1 and 2 respectively show a schematic structural diagram of a resistance adjustment mechanism 100 according to an embodiment of the present invention;
FIG. 3 illustrates a schematic structural diagram of the exercise bicycle 200 in a maximum resistance state according to one embodiment of the present invention;
FIG. 4 shows an enlarged schematic view at A in FIG. 3 (i.e., a schematic view of the manual adjustment assembly in a maximum resistance state);
fig. 5 shows an enlarged schematic view of the structure at B in fig. 3 (i.e., a schematic view of the electric adjustment mechanism in a resistance maximum state);
FIG. 6 illustrates a schematic structural diagram of the exercise bicycle 200 in a state of least resistance according to one embodiment of the present invention;
FIG. 7 shows an enlarged schematic view of the structure at A in FIG. 6 (i.e., the manual adjustment assembly in a state of least resistance); and
fig. 8 shows an enlarged structural view at B in fig. 6 (i.e., a structural view of the electric adjustment mechanism in the resistance minimum state).
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As mentioned above, the resistance adjustment mechanism for exercise bicycle in the prior art has some functional defects in use, so the present invention provides a resistance adjustment mechanism 100 with more optimized performance and an exercise bicycle 200 including the resistance adjustment mechanism 100. The resistance adjustment mechanism 100 of the present invention can implement two resistance adjustment modes of manual adjustment and electric adjustment. Fig. 1 and 2 respectively show a schematic structural diagram of a resistance adjustment mechanism 100 according to an embodiment of the present invention; FIG. 3 illustrates a schematic structural diagram of the exercise bicycle 200 in a maximum resistance state according to one embodiment of the present invention; figure 6 illustrates a schematic diagram of the exercise apparatus 200 in a state of least resistance according to one embodiment of the present invention.
As shown in fig. 1 and 2, resistance adjustment mechanism 100 includes a flywheel 150, a first adjustment assembly 110, and a second adjustment assembly 120. Here, the first adjustment assembly 110 is a manual adjustment assembly, and the adjustment resistance can be achieved through manual operation; the second adjustment assembly 120 is an electric adjustment assembly that can be controlled by an electric control to adjust the resistance. The first and second adjusting assemblies 110 and 120 are respectively disposed at different positions of the outer circumference of the flywheel 150 with a certain interval in the circumferential direction of the flywheel 150. The first adjustment assembly 110 and the second adjustment assembly 120 can generate and adjust resistance when the flywheel 150 rotates, wherein a first resistance value when the flywheel 150 rotates can be adjusted by the first adjustment assembly 110, and a second resistance value when the flywheel 150 rotates can be adjusted by the second adjustment assembly 120. That is, the first adjustment assembly 110 corresponds to a first resistance value when the flywheel 150 rotates, and the second adjustment assembly 120 corresponds to a second resistance value when the flywheel 150 rotates.
It should be noted that the actual resistance value of the flywheel 150 during rotation is determined by the sum of the first resistance value and the second resistance value. Thus, according to the resistance force adjustment mechanism 100 of the present invention, the actual resistance force during the rotation of the flywheel 150 can be adjusted based on both the first adjustment assembly 110 and the second adjustment assembly 120. Fig. 3 is a schematic diagram of the exercise bicycle 200 according to an embodiment of the present invention, wherein the first adjustment assembly 110 and the second adjustment mechanism 120 are in the respective maximum resistance states, so that the actual resistance value of the flywheel 150 is maximized. Fig. 6 is a schematic diagram illustrating the structure of the exercise bicycle 200 in a resistance minimized state according to an embodiment of the present invention, wherein the first adjustment assembly 110 and the second adjustment mechanism 120 are in their respective resistance minimized states, such that the actual resistance value of the flywheel 150 during rotation is minimized.
According to one embodiment, the first and second adjustment assemblies 110 and 120 each include a corresponding magnetic member disposed at an outer periphery of the flywheel 150 and may have a certain interval from an outer wall of the flywheel 150. The flywheel 150 is made of cast iron, and when the flywheel 150 rotates, magnetic action is generated between the flywheel 150 and the magnetic field of the magnetic member (the rotation direction of the flywheel is perpendicular to the direction of the magnetic induction lines of the magnetic field, so that the magnetic induction lines are cut to generate current), and the magnetic action can form resistance to the rotation of the flywheel 150. By adjusting the relative distance between the magnetic member and the outer wall of the flywheel 150, the magnetic force between the flywheel and the magnetic member can be changed when the flywheel rotates, so that the resistance of the flywheel 150 during rotation can be adjusted. Here, the present invention is not limited to a specific kind of the magnetic member included in the first and second adjusting assemblies 110 and 120, and the magnetic member may be implemented as a permanent magnet, for example, a magnet.
According to one embodiment, as shown in fig. 1 and 2, the first adjustment assembly 110 includes a first magnetic member 111 and a first drive structure 115. The second adjustment assembly 120 includes a second magnetic member 121 and a second drive structure 125. It should be noted that the first magnetic member 111 and the magnetic action of the flywheel during rotation can form a first resistance force for resisting the rotation of the flywheel 150, the second magnetic member 121 and the magnetic action of the flywheel during rotation can form a second resistance force for resisting the rotation of the flywheel 150, and the flywheel 150 can be influenced by the first resistance force and the second resistance force during rotation. The magnetic acting force between the first magnetic element 111 and the flywheel can be adjusted based on the first driving structure 115, so that the first resistance value when the flywheel 150 rotates can be adjusted; the magnetic force between the second magnetic member 121 and the flywheel can be adjusted based on the second driving structure 125, thereby adjusting the second resistance value when the flywheel rotates.
Since the actual resistance value of the flywheel 150 during rotation is the sum of the first resistance value and the second resistance value, the resistance adjustment mechanism 100 according to the present invention can adjust the actual resistance value of the flywheel 150 during rotation through both the first driving structure 115 and the second driving structure 125. Therefore, in the exercise process, a user can select a proper resistance adjusting mode according to the actual exercise condition, and adjust the resistance value to a proper size according to the requirement on the resistance in the actual exercise.
According to an embodiment, the first driving structure 115 is connected to the first magnetic member 111, and the first magnetic member 111 can be driven by the first driving structure 115 to move in a radial direction of the flywheel toward or away from the flywheel 150, so that a magnetic field of the first magnetic member 111 is relatively increased or decreased, and a magnetic acting force of the first magnetic member 111 and the flywheel during rotation is increased or decreased, thereby increasing or decreasing the first resistance value of the flywheel 150 during rotation. The smaller the distance between the first magnetic member 111 and the flywheel 150, the larger the first resistance value; the larger the distance between the first magnetic member 111 and the flywheel 150, the smaller the first resistance value.
Referring to fig. 4 and 7, fig. 4 is a schematic structural view illustrating the first adjustment assembly 110 in a maximum resistance state in which the distance between the first magnetic member 111 and the flywheel 150 is minimized; fig. 7 is a schematic structural view illustrating the first adjusting assembly 110 in a resistance-minimum state in which the distance between the first magnetic member 111 and the flywheel 150 is maximum.
According to one embodiment, as shown in fig. 2, 4 and 7, the first adjustment structure 115 includes a threaded screw 116, and an adjustment knob 117 that cooperates with the threaded screw 116. One end of the threaded screw 116 is fixedly connected to the first magnetic member 111 and extends in a direction away from the first magnetic member 111 along the axial direction. An adjusting knob 117 is rotatably mounted on the threaded screw 116 at an end remote from the first magnetic member 111. By rotating the adjusting knob 117 relative to the threaded screw 117, the adjusting knob 117 can drive the threaded screw 116 to move axially when rotated, and by rotating the adjusting knob 117 in different directions (clockwise, counterclockwise), the threaded screw 116 can be moved axially downward or upward. Thus, the first magnetic member 111 fixedly connected to the threaded screw 116 can be driven to move toward or away from the flywheel 150 by the axial movement of the threaded screw 116.
According to an embodiment, the second driving structure 125 is connected to the second magnetic member 121, and the second driving structure 125 can drive (one end of) the second magnetic member 121 to move in a radial direction of the flywheel, in a direction approaching or away from the flywheel 150, so that a magnetic field of the second magnetic member 121 is relatively increased or decreased, thereby increasing or decreasing a magnetic force generated when the second magnetic member 121 and the flywheel rotate, and thus increasing or decreasing a second resistance value when the flywheel rotates. The smaller the distance between (one end of) the second magnetic member 121 and the flywheel 150, the larger the second resistance value; the larger the distance between (one end of) the second magnetic member 121 and the flywheel 150, the smaller the second resistance value.
Referring to fig. 5 and 8, fig. 5 is a schematic structural view illustrating the second adjustment assembly 120 in a maximum resistance state in which the distance between (one end of) the second magnetic member 121 and the flywheel 150 is minimized; fig. 8 is a schematic structural view of the second adjustment assembly 120 in a resistance-minimum state in which the distance between (one end of) the second magnetic member 121 and the flywheel 150 is maximum.
According to one embodiment, as shown in fig. 2, 5 and 8, the second drive structure 125 includes a motor 126, a pull wire 127, and a link 128. The connecting rod 128 is in a zigzag shape, a first end of the connecting rod 128 is rotatably connected with a first end of the second magnetic member 121, and a second end of the connecting rod 128 and a second end of the second magnetic member 121 are spaced apart from each other.
The pull wire 127 is connected with the motor 126, and the motor 126 drives the pull wire 127 to retract when rotating. Specifically, the motor 126 drives the pull wire 127 to retract when rotating in the forward direction, and the motor 126 drives the pull wire 127 to release when rotating in the reverse direction. And, the released end of the pulling wire 127 is connected to the second end of the second magnetic member 121, so that the motor 126 is connected to the second end of the second magnetic member 121 through the pulling wire 127.
By controlling the motor 126 to rotate in the forward direction to draw the pull wire 127, the second end of the second magnetic member 121 can be driven to rotate relative to the first end (i.e., the portion rotatably connected to the first end of the connecting rod 128) thereof, and the second end of the second magnetic member 121 is moved in a direction away from the flywheel 150, so that the magnetic acting force based on the rotation of the second magnetic member 121 and the flywheel is reduced, and the second resistance value when the flywheel 150 rotates can be reduced.
It should be understood that the pull wire 127 can be released by controlling the motor 126 to rotate reversely, but the pull wire 127 itself cannot push the second end of the second magnetic member 121 to move.
In one embodiment, as shown in fig. 2, 5 and 8, the second end of the connecting rod 128 is provided with a baffle 129, an elastic member 123 is connected between the baffle 129 and the second end of the second magnetic member 121, and two ends of the elastic member 123 respectively abut against the baffle 129 and the second magnetic member 121. Thus, when the motor 126 rotates forward to draw the wire 127, and the second end of the second magnetic member 121 moves away from the flywheel 150 (i.e. in a direction close to the baffle 129), the elastic member 123 is pushed to contract in a direction close to the baffle 129, so that the elastic member 123 is in a compressed state (see fig. 8).
Thus, when the control motor 126 rotates in the opposite direction to release the pull wire 127, the second end of the second magnetic member 121 is pushed to move toward the flywheel 150 by the elastic restoring force of the elastic member 123, so that the magnetic force generated by the rotation of the second magnetic member 121 and the flywheel is increased, and the second resistance value generated by the rotation of the flywheel 150 is increased.
In one embodiment, the elastic member 123 may be a spring, and two ends of the spring respectively abut against the baffle 129 and the second magnetic member 121, but the invention is not limited thereto.
According to one embodiment, the first magnetic member and the second magnetic member may be implemented as a permanent magnet assembly. Specifically, the magnetic member includes one or more permanent magnets (magnetite) and a mount for mounting the permanent magnets. The permanent magnet is, for example, a magnet. The mounting seat is arc-shaped and is arranged along the outer circumference of the flywheel 150. One or more permanent magnets are mounted on the side of the mount facing the flywheel 150. As shown in fig. 1, the first magnetic member 111 includes a first mounting seat 112 and a plurality of permanent magnets mounted on a side of the first mounting seat 112 facing the flywheel 150, and the second magnetic member 121 includes a second mounting seat 122 and a plurality of permanent magnets mounted on a side of the second mounting seat 122 facing the flywheel 150.
According to one embodiment, the baffle 129 is further connected to the second end of the second magnetic member 121 through a stud 124, one end of the stud 124 is connected to the second mounting seat 122 of the second magnetic member 121, and the other end of the stud 124 penetrates through the baffle 129 and is fixedly connected to a nut on the outer side of the baffle 129. When the second end of the second magnetic member 121 moves in a direction away from the flywheel 150, the stud 124 and the nut thereof can be driven to move outwards (away from the flywheel 150) relative to the baffle 129 along the axial direction of the stud, as shown in fig. 8, the other end of the stud 124 moves to protrude outside the baffle 129, and a certain distance is provided between the nut and the outer side surface of the baffle 129.
When the second end of the second magnetic member 121 moves toward the flywheel 150, the stud 124 and the nut thereof are driven to move inward (toward the flywheel 150) relative to the baffle 129 along the axial direction of the stud, as shown in fig. 5, the nut can be driven to move until the nut abuts against the outer side surface of the baffle 129, and at this time, the second end of the second magnetic member 121 cannot move toward the flywheel 150, which is the state when the second resistance value is maximum.
In the description of the present specification, the terms "connected", "fixed", and the like are to be construed broadly unless otherwise explicitly specified or limited. Furthermore, the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Claims (10)

1.一种阻力调节机构,用于健身车,包括:1. A resistance adjustment mechanism for an exercise bike, comprising: 飞轮;flywheel; 第一调节组件,布置在所述飞轮的外周缘,包括第一磁性件、与第一磁性件连接的第一驱动结构,所述第一驱动结构适于带动第一磁性件向靠近或远离所述飞轮的方向运动,以便增大或减小飞轮时转动的第一阻力值;以及The first adjustment assembly, arranged on the outer periphery of the flywheel, includes a first magnetic member and a first driving structure connected with the first magnetic member, the first driving structure is suitable for driving the first magnetic member to approach or away from the directional movement of the flywheel so as to increase or decrease the first resistance value when the flywheel rotates; and 第二调节组件,布置在所述飞轮的外周缘,包括第二磁性件、与第二磁性件连接的第二驱动结构,所述第二驱动结构适于带动第二磁性件向靠近或远离所述飞轮的方向运动,以便增大或减小飞轮转动时的第二阻力值。The second adjusting assembly, arranged on the outer periphery of the flywheel, includes a second magnetic member and a second driving structure connected with the second magnetic member, the second driving structure is suitable for driving the second magnetic member to approach or away from the The direction of the flywheel is moved, so as to increase or decrease the second resistance value when the flywheel rotates. 2.如权利要求1所述的阻力调节机构,其中,所述第二驱动结构包括:2. The resistance adjustment mechanism of claim 1, wherein the second drive structure comprises: 连杆,所述连杆的第一端与所述第二磁性件的第一端可转动连接,所述连杆的第二端与所述第二磁性件的第二端间隔设置;a connecting rod, the first end of the connecting rod is rotatably connected with the first end of the second magnetic member, and the second end of the connecting rod is spaced from the second end of the second magnetic member; 电机,通过拉线与所述第二磁性件的第二端连接,所述电机适于在转动时收拢拉线,以带动所述第二磁性件的第二端相对第一端转动,并向远离所述飞轮的方向运动,以便减小所述飞轮转动时的第二阻力值。The motor is connected with the second end of the second magnetic member through a pull wire, and the motor is suitable for closing the pull wire when rotating, so as to drive the second end of the second magnetic member to rotate relative to the first end and move away from the The flywheel is moved in the direction so as to reduce the second resistance value when the flywheel rotates. 3.如权利要求2所述的阻力调节机构,其中,所述连杆的第二端设有挡板,所述挡板与所述第二磁性件的第二端之间连接有弹性件;3. The resistance adjusting mechanism according to claim 2, wherein a baffle plate is provided at the second end of the connecting rod, and an elastic member is connected between the baffle plate and the second end of the second magnetic member; 当所述第二磁性件的第二端向远离所述飞轮的方向运动时,适于顶抵所述弹性件向所述挡板的方向收缩;When the second end of the second magnetic member moves in a direction away from the flywheel, the second end of the second magnetic member is adapted to abut the elastic member and shrink in the direction of the baffle plate; 所述电机适于在反向转动时释放拉线,以便所述第二磁性件的第二端在所述弹性件的弹性恢复力作用下向靠近所述飞轮的方向运动,以增大所述飞轮转动时的第二阻力值。The motor is adapted to release the pull wire during reverse rotation, so that the second end of the second magnetic member moves toward the direction of the flywheel under the action of the elastic restoring force of the elastic member, so as to increase the flywheel The second resistance value when turning. 4.如权利要求3所述的阻力调节机构,其中,所述挡板还通过螺柱与所述第二磁性件的第二端连接,所述螺柱穿设于所述挡板;4. The resistance adjusting mechanism according to claim 3, wherein the baffle is further connected with the second end of the second magnetic member through a stud, and the stud passes through the baffle; 当所述第二磁性件的第二端向远离所述飞轮的方向运动时,适于带动所述螺柱沿其轴线方向相对所述挡板运动。When the second end of the second magnetic member moves away from the flywheel, it is adapted to drive the stud to move relative to the baffle along its axis direction. 5.如权利要求2-4任一项所述的阻力调节机构,其中,5. The resistance adjustment mechanism according to any one of claims 2-4, wherein, 所述连杆呈折线形。The connecting rod is in the shape of a broken line. 6.如权利要求3所述的阻力调节机构,其中,6. The resistance adjustment mechanism of claim 3, wherein, 所述弹性件为弹簧,所述弹簧的两端分别与所述挡板、第二磁性件相顶抵。The elastic member is a spring, and two ends of the spring are respectively abutted against the baffle plate and the second magnetic member. 7.如权利要求1-6任一项所述的阻力调节机构,其中,所述第一调节结构包括:7. The resistance adjustment mechanism according to any one of claims 1-6, wherein the first adjustment structure comprises: 螺纹丝杆,所述螺纹丝杆的一端与所述第一磁性件连接,并沿轴向向远离所述第一磁性件的方向延伸;以及a threaded screw, one end of the threaded screw is connected to the first magnetic member and extends in an axial direction away from the first magnetic member; and 调节旋钮,可转动地安装于所述螺纹丝杆远离所述第一磁性件的一端,所述调节旋钮适于在转动时带动所述螺纹丝杆沿轴向运动,以便带动第一磁性件向靠近或远离所述飞轮的方向运动。The adjusting knob is rotatably installed on one end of the threaded screw rod away from the first magnetic piece, and the adjusting knob is adapted to drive the threaded screw rod to move in the axial direction when rotating, so as to drive the first magnetic piece to move in the axial direction. movement towards or away from the flywheel. 8.如权利要求1-7任一项所述的阻力调节机构,其中,所述磁性件包括:8. The resistance adjusting mechanism according to any one of claims 1-7, wherein the magnetic member comprises: 安装座,所述安装座呈圆弧形,沿所述飞轮的外周缘布置;a mounting seat, which is in the shape of a circular arc and is arranged along the outer periphery of the flywheel; 一个或多个永磁体,安装在所述安装座上朝向所述飞轮的一侧。One or more permanent magnets are mounted on the side of the mount facing the flywheel. 9.如权利要求1-8任一项所述的阻力调节机构,其中,9. The resistance adjustment mechanism of any one of claims 1-8, wherein, 所述飞轮转动时的阻力值为第一阻力值与第二阻力值之和。The resistance value when the flywheel rotates is the sum of the first resistance value and the second resistance value. 10.一种健身车,包括:10. An exercise bike comprising: 如权利要求1-9任一项所述的阻力调节机构。The resistance adjusting mechanism according to any one of claims 1-9.
CN202011272718.8A 2020-11-12 2020-11-12 Resistance adjustment mechanism and exercise bicycle Pending CN112473075A (en)

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