CN211357588U - Resistance adjusting and braking system applied to exercise bike - Google Patents
Resistance adjusting and braking system applied to exercise bike Download PDFInfo
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- CN211357588U CN211357588U CN201922049456.8U CN201922049456U CN211357588U CN 211357588 U CN211357588 U CN 211357588U CN 201922049456 U CN201922049456 U CN 201922049456U CN 211357588 U CN211357588 U CN 211357588U
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Abstract
The utility model discloses a be applied to resistance regulation and braking system of exercise bicycle, which comprises a vehicle rack, the pin joint has the flywheel on the frame, the electro-magnet is equipped with on the frame on flywheel outer peripheral face next door, variable resistor is equipped with on the frame, brake switch and knob, rotatory knob drives variable resistor and changes the resistance, direct current power supply is extremely connected to variable resistor's one end electricity, electromagnet coil one end is connected to other end electricity, the other extreme of direct current power supply is connected to electromagnet coil other end electricity, brake switch both ends and variable resistor both ends connect, when the brake switch-on, the electro-magnet makes the flywheel brake for the electromagnetic resistance that the flywheel provided. Furthermore, the variable resistor and the brake switch are integrated into a whole to form a variable resistor with the brake switch and controlled by the knob, the knob is rotated to drive the variable resistor to change the resistance value, and the knob is pressed to switch on the brake switch. The utility model discloses utilize one set of electro-magnet just can realize the resistance regulation and the brake of exercise bicycle, simplified the structure of exercise bicycle, and control is convenient.
Description
Technical Field
The utility model belongs to the technical field of the body-building apparatus manufacturing technology and specifically relates to a be applied to resistance regulation and braking system of exercise bicycle.
Background
The exercise bike is a common exercise apparatus, the exercise bike is provided with a resistance adjusting mechanism and a brake mechanism, the resistance adjusting mechanism of the traditional exercise bike is realized by adjusting the distance between a permanent magnet and a flywheel, the brake mechanism of the traditional exercise bike rotates a brake block by using a brake cable and a tension spring, the brake block brakes when leaning against the outer periphery of the flywheel, and the brake is stopped when being separated from the flywheel. Therefore, two sets of mechanisms are required to be arranged on the exercise bicycle and are separately operated and controlled, the operation is troublesome, and the structure is complicated.
Nowadays, the resistance adjusting mechanism of the exercise bicycle also realizes the resistance adjustment of the flywheel by adjusting the electromagnetic resistance of the electromagnet. For example, 26.12.2012, a chinese utility model patent having patent number ZL201220328082.9 and named "a flywheel device for exercise bike" is disclosed, which includes a support and a flywheel, wherein the flywheel is connected to the support through a connecting shaft, permanent magnets are uniformly arranged on the periphery of the flywheel, and the flywheel is also coaxially connected to a driving wheel; the support is also provided with an electromagnet, and the action end of the electromagnet is close to the periphery of the flywheel. The electromagnet is connected with a control circuit for controlling the strength of the output magnetic field. Therefore, the resistance of the flywheel of the exercise bicycle can be adjusted only by adjusting the current of the electromagnet through the control circuit, the damping effect is good, and the damping is continuously adjustable. However, the electromagnet of this exercise bicycle cannot perform brake control.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a be applied to resistance regulation and braking system of exercise bicycle, its resistance regulation and the brake that utilizes one set of electro-magnet just can realize the exercise bicycle, has effectively simplified the structure of exercise bicycle, and control is convenient.
In order to achieve the above purpose, the technical scheme of the utility model is that: a resistance adjusting and braking system applied to a body-building vehicle comprises a frame, wherein a flywheel is pivoted on the frame, an electromagnet is arranged on the frame beside the peripheral surface of the flywheel, a variable resistor, a brake switch and a knob are arranged on the frame, the knob is rotated to drive the variable resistor to change the resistance value, one end of the variable resistor is electrically connected with one pole of a direct current power supply, the other end of the variable resistor is electrically connected with one end of an electromagnet coil, the other end of the electromagnet coil is electrically connected with the other pole of the direct current power supply, two ends of the brake switch are connected with two ends of the variable resistor in parallel, and when.
Preferably, the voltage of the direct current power supply is 36V, and the direct current power supply is obtained by a rectification circuit through commercial power.
In a further improvement, the variable resistor and the brake switch are integrated into a whole to form a variable resistor with the brake switch and controlled by the knob, the knob is rotated to change the resistance value of the variable resistor, and the knob is pressed to switch on the brake switch. Therefore, the whole structure is more compact and the control is more convenient.
Still further, the frame front portion sets firmly a pedestal, and the upper end of pedestal is equipped with a recess, and the bottom of recess is equipped with the through-hole that lets connecting wire wear out, links firmly a PCB board on the bottom of recess, take brake switch variable resistor welding on the PCB board, take brake switch variable resistor to be equipped with an adjusting shaft, the knob cup joints in adjusting shaft is last, presses the knob, and knob drive adjusting shaft makes brake switch-on along axial displacement, rotates the knob and makes adjusting shaft rotate in order to adjust variable resistor's resistance.
Still further, the lower part of knob is equipped with an annular spacing groove, and the lower part of knob stretches into the recess, the pedestal is equipped with the spacing nail, and the spacing nail stretches into the recess with annular spacing groove cooperatees in order to prevent knob and pedestal phase separation, and the lower part of knob is equipped with the shoulder, and the shoulder cooperatees in order to restrict knob stroke of pushing down with the up end of pedestal. Therefore, the knob can be prevented from being separated from the seat body, and the variable resistor with the brake switch can be prevented from being crushed when the knob is pressed.
Still further, still link firmly an elastic element on the PCB board, elastic element's upper portion is equipped with a contact that accessible elastic displacement, the lower extreme of knob is equipped with a cylindrical recess, and the internal surface of cylindrical recess is equipped with a plurality of draw-in grooves along knob axial distribution, rotates the knob, the contact can cooperate with different draw-in grooves. Therefore, the rotary knob has better hand feeling when being rotated, and the positioning of the rotary knob after controlling the resistance is more reliable and convenient.
Preferably, the elastic element comprises a bottom and an elastic part bent upwards from the bottom, the upper part of the elastic part is bent for multiple times to form a supporting part, and the supporting part is provided with the contact.
And furthermore, a protective shell is arranged on the frame, and the seat body is fixedly clamped on the protective shell.
In a further improvement, a control board is arranged between one end of the variable resistor and one end of the electromagnet coil, and the control board adjusts voltage values at two ends of the electromagnet coil according to an input signal at one end of the variable resistor;
and two ends of the brake switch are connected with two ends of the variable resistor in parallel, or one end of the brake switch is electrically connected with one pole of the direct-current power supply, and the other end of the brake switch is electrically connected with one end of the electromagnet coil.
And furthermore, a wireless receiving module is arranged on the control panel, the wireless receiving module can be in wireless connection with a tablet personal computer or a mobile phone, and signals are input to the control panel through the tablet personal computer or the mobile phone to adjust the voltage values at the two ends of the electromagnet coil so as to change the resistance of the flywheel.
When the knob is rotated, the resistance value of the variable resistor can be changed, and the current passing through the coil of the electromagnet can be changed through the change of the resistance value, so that the magnetic force of the electromagnet is changed, the resistance of the flywheel can be adjusted, and the exercise amount of the exercise bike can be conveniently changed; when the brake switch is switched on, the current passing through the electromagnet coil is the maximum, and the resistance of the flywheel is also the maximum, so that the brake effect can be generated. Therefore, the resistance of the flywheel can be adjusted and the brake function can be realized only by one electromagnet, the structure of the exercise bicycle is effectively simplified, and the control is convenient.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a front view of a first embodiment of the present invention hidden within a protective housing;
FIG. 3 is an exploded perspective view of FIG. 1 at A;
fig. 4 is a bottom perspective view of a first embodiment of the knob of the present invention;
FIG. 5 is a top perspective view of a first embodiment of the elastic member of the present invention;
fig. 6 is a schematic circuit diagram of a first embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a second embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
First embodiment, as shown in fig. 1 to 6, a resistance adjusting and braking system for an exercise bike comprises a frame 1, a flywheel 2 is pivotally connected to the frame 1, an electromagnet 3 is installed on the frame 1 beside the outer peripheral surface of the flywheel 2, a protective casing 11 is installed on the frame 1, a seat 4 is fixedly clamped on the protective casing 11, a variable resistor 5, a brake switch 6 and a knob 7 are installed on the seat 4, one end of the variable resistor 5 is electrically connected with one pole of the direct current power supply, the other end of the variable resistor is electrically connected with one end of the coil 31 of the electromagnet 3, the other end of the coil 31 of the electromagnet 3 is electrically connected with the other pole of the direct current power supply, two ends of the brake switch 6 are connected with two ends of the variable resistor 5 in parallel, the variable resistor 5 changes the resistance value by rotating the knob 7, and when the brake switch 6 is switched on, the electromagnetic resistance provided by the electromagnet 3 for the flywheel 2 brakes the.
The voltage of the direct current power supply is 36V, and the direct current power supply is obtained by alternating current 220V commercial power through the rectifying circuit 8.
The variable resistor 5 and the brake switch 6 are integrated into a whole body with a brake switch variable resistor 56 and controlled by the knob 7, the variable resistor 5 changes the resistance value by rotating the knob 7, and the brake switch 6 is switched on by pressing the knob 7.
The connection relationship between the seat body 4, the variable resistor 56 with the brake switch and the knob 7 is as follows:
the upper end of pedestal 4 is equipped with a recess 41, and the bottom of recess 41 is equipped with the through-hole 42 that lets connecting wire 431 wear out, links firmly a PCB board 43 on the bottom of recess 41, and connecting wire 431 connects on PCB board 43, take brake switch variable resistor 56 welding on PCB board 43, be equipped with an adjusting spindle 561 on the area brake switch variable resistor 56, be equipped with one on the knob 7 and cup joint shrinkage pool 71, knob 7 utilizes to cup joint shrinkage pool 71 and cup joint on adjusting spindle 561, presses knob 7, and knob 7 drive adjusting spindle 561 makes brake switch 6 switch-on along axial displacement, rotates knob 7 and makes adjusting spindle 561 rotate in order to adjust the resistance of variable resistor 5.
The lower part of knob 7 is equipped with an annular spacing groove 72, and the lower part of knob 7 stretches into recess 41, be equipped with stop pin 44 on the pedestal 4, stop pin 44 stretches into recess 41 with annular spacing groove 72 cooperatees and prevents knob 7 and pedestal 4 phase separation, and the lower part of knob 7 is equipped with shoulder 7a, and shoulder 7a cooperatees with the up end 4a of pedestal 4 and restricts knob 7 stroke of pushing down.
The PCB 43 is further fixedly connected with an elastic element 45, the upper portion of the elastic element 45 is provided with a contact 451 capable of elastically moving, the lower end of the knob 7 is provided with a cylindrical groove 7b, the inner surface of the cylindrical groove 7b is provided with a plurality of clamping grooves 73 distributed along the axial direction of the knob 7, the knob 7 is rotated, and the contact 451 can be matched with different clamping grooves 73.
The elastic element 45 includes a bottom 452 and an elastic portion 453 bent upward from the bottom 452, an upper portion of the elastic portion 453 is bent multiple times to form a supporting portion 454, and the contact 451 is mounted on the supporting portion 454.
The working principle of the embodiment is as follows:
referring to fig. 1 and 6, when the knob 7 is turned, the resistance of the variable resistor 5 is changed, so that the current passing through the coil 31 of the electromagnet 3 is changed, the magnetic force generated by the electromagnet 3 is changed, and the resistance of the flywheel 2 can be adjusted; when the brake switch 6 is turned on, the current through the coil 31 of the electromagnet 3 is maximized, and the resistance of the flywheel 2 is also maximized, thus producing a braking action.
In the second embodiment and fig. 7, a resistance adjusting and braking system applied to an exercise bicycle is different from the first embodiment in that: a control board 9 is further arranged between one end of the variable resistor 5 and one end of the coil 31 of the electromagnet 3, and the control board 9 adjusts the voltage value at two ends of the coil 31 of the electromagnet 3 according to an input signal at one end of the variable resistor 5. With reference to fig. 1 and 2 of the first embodiment, the resistance of the flywheel 2 can be changed by turning the knob 7.
The control panel 9 is provided with a wireless receiving module 91, the wireless receiving module 91 can be wirelessly connected with a tablet personal computer or a mobile phone, and signals are input to the control panel 9 through the tablet personal computer or the mobile phone to adjust voltage values at two ends of the coil 31 of the electromagnet 3 so as to change the resistance of the flywheel 2. Therefore, under the condition that the knob 7 is not moved, the resistance of the flywheel 2 can be changed through a tablet personal computer or a mobile phone, so that the resistance adjusting mode of the flywheel 2 is more various and more convenient.
In the third embodiment and fig. 8, a resistance adjusting and braking system applied to an exercise bicycle is different from the second embodiment in that:
one end of the brake switch 6 is electrically connected with one pole of the direct current power supply, and the other end is electrically connected with one end of the coil 31 of the electromagnet 3.
The above are only three preferred embodiments of the present invention, and those skilled in the art will be able to make equivalent changes in the claims and fall within the scope of the present invention.
Claims (10)
1. The utility model provides a be applied to resistance regulation and braking system of exercise bicycle, includes the frame, the pin joint has the flywheel on the frame, is equipped with the electro-magnet on the frame on flywheel outer peripheral face next door, its characterized in that: the frame is provided with a variable resistor, a brake switch and a knob, the knob is rotated to drive the variable resistor to change the resistance value, one end of the variable resistor is electrically connected with one pole of a direct current power supply, the other end of the variable resistor is electrically connected with one end of an electromagnet coil, the other end of the electromagnet coil is electrically connected with the other pole of the direct current power supply, two ends of the brake switch are connected with two ends of the variable resistor in parallel, and when the brake switch is switched on, the electromagnet provides electromagnetic resistance.
2. The resistance force adjusting and braking system applied to an exercise bicycle of claim 1, wherein: the voltage of the direct current power supply is 36V, and the direct current power supply is obtained through a rectification circuit through commercial power.
3. The resistance force adjusting and braking system applied to an exercise bicycle of claim 1, wherein: the variable resistor and the brake switch are integrated into a whole to form a variable resistor with a brake switch and controlled by the knob, the resistance value of the variable resistor is changed by rotating the knob, and the brake switch is switched on by pressing the knob.
4. The resistance force adjusting and braking system applied to an exercise bicycle according to claim 3, wherein: the frame front portion sets firmly a pedestal, and the upper end of pedestal is equipped with a recess, and the bottom of recess is equipped with the through-hole that lets connecting wire wear out, links firmly a PCB board on the bottom of recess, take brake switch variable resistor welding on the PCB board, be equipped with an regulation pivot on the brake switch variable resistor of taking, the knob cup joints in on the regulation pivot, press the knob, knob drive regulation pivot makes brake switch-on along axial displacement, rotates the knob and makes the regulation pivot rotate in order to adjust variable resistor's resistance.
5. The resistance force adjusting and braking system applied to an exercise bicycle according to claim 4, wherein: the lower part of knob is equipped with an annular spacing groove, and the lower part of knob stretches into the recess, the stop pin is equipped with on the pedestal, the stop pin stretches into the recess with annular spacing groove cooperatees in order to prevent knob and pedestal phase separation, and the lower part of knob is equipped with the shoulder, and the shoulder cooperatees in order to restrict the knob stroke of pushing down with the up end of pedestal.
6. The resistance force adjusting and braking system applied to an exercise bicycle according to claim 4, wherein: the PCB is further fixedly connected with an elastic element, the upper portion of the elastic element is provided with a contact capable of elastically moving, the lower end of the knob is provided with a cylindrical groove, the inner surface of the cylindrical groove is provided with a plurality of clamping grooves axially distributed along the knob, the knob is rotated, and the contact can be matched with different clamping grooves.
7. The resistance force adjusting and braking system for an exercise bicycle of claim 6, wherein: the elastic element comprises a bottom and an elastic part bent upwards from the bottom, the upper part of the elastic part is bent for multiple times to form a supporting part, and the supporting part is provided with the contact.
8. The resistance force adjusting and braking system applied to an exercise bicycle according to claim 4, wherein: the frame is provided with a protective shell, and the seat body is clamped and fixed on the protective shell.
9. The resistance force adjusting and braking system for an exercise bike according to any one of claims 1 to 8, wherein: a control board is also arranged between one end of the variable resistor and one end of the electromagnet coil, and the control board adjusts the voltage values at the two ends of the electromagnet coil according to an input signal at one end of the variable resistor;
and two ends of the brake switch are connected with two ends of the variable resistor in parallel, or one end of the brake switch is electrically connected with one pole of the direct-current power supply, and the other end of the brake switch is electrically connected with one end of the electromagnet coil.
10. The resistance force adjusting and braking system for an exercise bicycle of claim 9, wherein: the flywheel resistance adjusting device is characterized in that a wireless receiving module is arranged on the control panel, the wireless receiving module can be in wireless connection with a tablet personal computer or a mobile phone, and signals are input to the control panel through the tablet personal computer or the mobile phone to adjust voltage values at two ends of the electromagnet coil so as to change the flywheel resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922049456.8U CN211357588U (en) | 2019-11-25 | 2019-11-25 | Resistance adjusting and braking system applied to exercise bike |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922049456.8U CN211357588U (en) | 2019-11-25 | 2019-11-25 | Resistance adjusting and braking system applied to exercise bike |
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| Publication Number | Publication Date |
|---|---|
| CN211357588U true CN211357588U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922049456.8U Active CN211357588U (en) | 2019-11-25 | 2019-11-25 | Resistance adjusting and braking system applied to exercise bike |
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| CN (1) | CN211357588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758063A (en) * | 2020-12-15 | 2021-05-07 | 云度新能源汽车股份有限公司 | Brake pedal electromagnetic control mechanism and car |
| CN112999575A (en) * | 2021-03-26 | 2021-06-22 | 青岛迈金智能科技有限公司 | Exercise bicycle with real-time power detection function |
-
2019
- 2019-11-25 CN CN201922049456.8U patent/CN211357588U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758063A (en) * | 2020-12-15 | 2021-05-07 | 云度新能源汽车股份有限公司 | Brake pedal electromagnetic control mechanism and car |
| CN112758063B (en) * | 2020-12-15 | 2022-04-01 | 云度新能源汽车股份有限公司 | Brake pedal electromagnetic control mechanism and car |
| CN112999575A (en) * | 2021-03-26 | 2021-06-22 | 青岛迈金智能科技有限公司 | Exercise bicycle with real-time power detection function |
| CN112999575B (en) * | 2021-03-26 | 2022-02-18 | 青岛迈金智能科技股份有限公司 | Exercise bicycle with real-time power detection function |
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