CN104826278A - Household dancing machine - Google Patents

Abstract

The invention relates to a household dancing machine. The household dancing machine comprises a main body, a transmission system, a speed control system and a charging system. The main body is composed of an upper cover and a lower cover, and the upper cover of the main body is composed of pedals; the transmission system comprises pedals, a lever, a ratchet wheel, a plurality of pedal return structures and a main shaft, the lever and the pedal return structures are arranged in the main body, the pedal return structures are arranged below the pedals of the transmission system, the lever comprises a stress part and a force transfer part which are fixedly connected with each other, the stress part is fixed below the pedals of the transmission system, the force transfer part is connected with the ratchet wheel, and the main shaft is fixedly connected with the ratchet wheel; the speed control system increases the rotation speed, transmitted to the main shaft, of the transmission system, so that stable electricity generation conducted by a generator is facilitated; the charging system comprises the generator and a storage battery, and electricity generated by the generator is stored in the storage battery. The household dancing machine is simple in structure, convenient to use, low in production cost and wide in application range.

Description

A kind of family expenses dancing machine

Technical field

The invention belongs to exercising apparatus technical field, particularly a kind of family expenses dancing machine.

Background technology

Along with the development of society, urbanization iterative method, the space that people's activity is taken exercise is ransacked of, more outstanding in densely populated city, so urbanization brings many problems to the life of people.Such as: a lot of people is not because have local exercise, and fitness declines; The obesity rates of urban population is far longer than rural area; A lot of Urban Women eats slimming drugs because not tempering weight reducing; On the other hand, due to the pressure that work and study bring, people thirst for discharging mood, venting emotions, reach the object regulating phychology.Current existing dancing machine is present in the public place of entertainment such as discotheque, amusement arcade, complex structure mostly, bulky, expensive, is not suitable for use in household equipment.

Summary of the invention

For the problems referred to above that prior art exists, the object of this invention is to provide that a kind of volume is little, environmental protection and energy saving, low price and security good, family expenses dancing machine applied widely.

For achieving the above object, the present invention adopts following technical scheme: a kind of family expenses dancing machine, comprises main body, transmission system, speed change system and charging system; The upper and lower lid of described main body, the upper cover of described main body is made up of pedal; Described transmission system comprises pedal, lever, ratchet, multiple pedal resetting structure and main shaft; Described lever and multiple pedal resetting structure are arranged in main body, and wherein pedal resetting structure is arranged on the below of pedal, and described lever comprises the forced section and power transmission portion that are mutually permanently connected, and described forced section is fixed on the below of pedal, and power transmission portion is connected with ratchet; Described main shaft is fixedly connected with ratchet; Described charging system comprises generator and battery, and generator electricity amount is stored in battery; Described speed change system comprises gear wheel, middle gear, two pinions and power transmission shaft; Described gear wheel is fixedly connected on one end of main shaft, and middle gear and pinion are fixedly connected on the two ends of power transmission shaft respectively, and another pinion is fixedly connected on the power transmission shaft of generator; Gear wheel engages with the pinion being fixedly connected on power transmission shaft one end, middle gear be fixedly connected on pinion on generator drive axle and engage.

As optimization, described pedal comprises four pedals up and down.

As optimization, described pedal resets to tie and comprises bearing and overcoat telescopic spring plate thereon.

As optimization, the forced section of described lever is by the horizontal lever be positioned under the pedal of left and right and is positioned at the cross-shaped configuration that the longitudinal lever under upper and lower pedal forms; Described power transmission portion is connected with ratchet by connecting rod.

As optimization, described charging system also comprises mu balanced circuit, and described mu balanced circuit is connected in parallel in the charge circuit of battery.

Relative to prior art, tool of the present invention has the following advantages: family expenses dancing machine structure provided by the invention is simple, and easy to use, production cost is low, applied widely.Its potential energy user being trampled body-building is used as to be converted into electrical power storage in battery by heavy motor, then is that miscellaneous part is powered with battery, and therefore the use procedure of whole family expenses dancing machine can not use municipal administration electricity, energy-conserving and environment-protective completely.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the charging circuit figure of charging system.

Fig. 4 is the principle flow chart of control system.

Fig. 5 is the force diagram of lever.

Fig. 6 is the bending moment diagram of lever.

In figure, main body 1, pedal 2, lever 3, ratchet 4, bearing 5, connecting rod 6, large bearing 7, power transmission shaft 8, little bearing 9, main shaft 10, generator 11, battery 12, stepup transformer 13, telescopic spring plate 14, gear wheel 16, middle gear 17, pinion 18, elastic block piece 19, induction installation 20, controller 21, indicator panel 22 sum counter 23.

Detailed description of the invention

Below the present invention is described in further detail.

In describing the invention, it will be appreciated that, term " on ", the orientation of the instruction such as D score, "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.

Embodiment 1: see Fig. 1 and Fig. 2, a kind of family expenses dancing machine, comprises main body 1, transmission system, speed change system and charging system.

Main body about 1 lid, the upper cover of described main body is made up of pedal 2;

Described transmission system comprises pedal 2, lever 3, ratchet 4, multiple pedal resetting structure and main shaft 10.

Described lever 3 and multiple pedal resetting structure are arranged in main body 1, wherein pedal resetting structure is arranged on the below of pedal 2, described lever 3 comprises the forced section and power transmission portion that are mutually permanently connected, and described forced section is fixed on the below of pedal 2, and power transmission portion is connected with ratchet 4;

Pedal 2 is for user provides one piece of region of dancing, is divided into four pieces up and down, and pedal 2 because pressurized produces downward displacement, thus drives follow-up motion such as mechanical component such as lever 3 grade.Pedal 2 realizes the reset of pedal 2 by the multiple pedal resetting structures laid on main body lower cover.In order to prevent pedal 2 from rocking, pedal resetting structure comprises bearing 5 and overcoat telescopic spring plate 14 thereon, and adopt bearing 5 support spring expansion plate 14 on the one hand, the movement of pedal 2 is realized by the moving sets of different bearing 5; On the other hand, limited by the buckle of main body about 1 lid surrounding.Pedal 2 moves down distance and is designed to 15cm.

The forced section of lever 3 is by the horizontal lever be positioned under the pedal of left and right and is positioned at the cross-shaped configuration that the longitudinal lever under upper and lower pedal forms;

Described power transmission portion is connected with ratchet 4 by connecting rod 6.

Described main shaft 10 is fixedly connected with ratchet 4, and particularly, both, through the centre bore of ratchet 4, for preventing main shaft 10 from rotating relative to ratchet 4, can weld together by main shaft 10;

Main shaft 10 can be driven to rotate in order to make to press down each block pedal 2 and produce electric energy, thus being mechanism's providing source power below, the forced section being due to lever 3 is cross-bar, the movement of four pieces of pedals 2 up and down can be passed on lever 3.

During concrete enforcement, lever can also be designed to two levers 3 and lever 3 ', movement see Fig. 1 wherein upper and lower two pieces of pedals is passed on a lever 3, the movement of the two pieces of pedals in left and right is passed on lever 3 ', lever 3 is connected ratchet 4 more respectively with lever 3 ', now then need two ratchets 4, thus make the downward movement of pedal reach main shaft 10, namely with two bars, the movement of four pedals 2 is passed on same main shaft 10.

Described charging system comprises generator 11 and battery 12, and generator 11 electricity amount is stored in battery 12; Charging system also comprises mu balanced circuit and stepup transformer 13, and generator 11 and stepup transformer 13 form loop of boosting, and stepup transformer 13 and battery 12 form the charge circuit of battery 12.

Be battery 12 charge circuit after generator 11 output voltage is boosted by stepup transformer 13, mu balanced circuit is connected in parallel in the charge circuit of battery 12.

The electric energy come by transform gravitational energy by transmission system, speed change system (describing in detail below) and generator 11 need be stored in 12 li, battery.In order to make generator 11 output voltage be battery 12 nominal charging voltage, and ME for maintenance is stablized, and adopts secondary boost approach.Stage voltage booster 13 is by voltage stabilization at 5v, and secondary stepup transformer 13 is by voltage stabilization at 12v, and Fig. 3 is shown in by its charging circuit.

Described speed change system comprises gear wheel 16, middle gear 17, two pinions 18 and power transmission shaft 8;

Described gear wheel 16 is fixedly connected on one end of main shaft 10, and middle gear 17 and pinion 18 are fixedly connected on the two ends of power transmission shaft 8 respectively, and another pinion 18 is fixedly connected on the power transmission shaft of generator 11; Gear wheel 16 engages with the pinion 18 being fixedly connected on power transmission shaft 8 one end, middle gear 17 be fixedly connected on pinion 18 on generator 11 power transmission shaft and engage.

Main shaft 10 is supported by a pair large bearing support block and a pair large bearing 7 be separately positioned on it, and power transmission shaft 8 is supported by little a pair bearing support block and little a pair bearing 9 be separately positioned on it.Gear wheel 16, middle gear 17, two pinions 18 can be spur gear, form two-stage speed change.

The two ends of main shaft 10 are provided with groove, are provided with elastic block piece 19 in groove.

Considering that the stability that user dances, pedal 2 sink displacement can not be too large; And require straight-line displacement to be converted into rotation on the other hand, and in one stroke, the angular displacement of the main shaft of generator 11 should be large as far as possible, namely requires that pedal 2 moves down distance enough large.Therefore, for solving this contradiction, the present invention adopts multi-change speed, specifically two-stage speed change, and lever 3 drives main shaft 10 to rotate, and main shaft 10 drives gear wheel 16 to rotate again; Gear wheel 16 drives the pinion 18 engaged with it to rotate, and this pinion 18 drives middle gear 17 to rotate by power transmission shaft 8 again; Middle gear 17 drives the pinion 18 engaged with it to rotate again; Pinion 18 is drive electrical generators 11 drive axis again, thus generating.

Have a minimum speed because generator 11 normally works, and the turn up of main shaft 10 is less than this requirement, so need rotating speed to improve, requires to reach the range of speeds of regulation by the amplifying device choosing appropriate ratios.In order to anti-locking mechanism self-locking, improve the continuity of inter-agency motion, harmony, and transmission efficiency, be designed to secondary speedup, specific as follows:

1 adopts gearratio to be the Spur Gear Driving of 5:3, is rotated by main shaft 10 and is delivered on power transmission shaft 8;

2 adopt gearratio to be the Spur Gear Driving of 3:1, reach the power transmission shaft of generator 11 by motion from power transmission shaft 8;

Through lever 3 amplify after, rotate 45o at pedal 2 one stroke inner main axis 10, then after secondary speedup, generator 11 rotating speed can reach 1.2rad s, can power generation requirements be met.The parameter of gear is in table 1:

The parameter of table 1 gear

	Modulus mmm	Number of teeth z	Diameter d mm
				Gear wheel 16	1	100	100
Middle gear 17	1	60	60
				Pinion 18	1	20	20

Embodiment 2: the present embodiment is the further improvement on the basis of embodiment 1, and family expenses dancing machine also comprises control system.

Control system four induction installations 20, controller 21, indicator panel 22 sum counter 23;

Described four induction installations 20 are separately positioned on the below of pedal 2 up and down, and induction installation 20 is pressure sensor or snap switch;

The instruction output end of trampling of described controller 21 is connected with the signal input part of indicator panel 22, and the counting instruction output end of controller 21 is connected with the signal input part of counter 23, and the signal output part of induction installation 20 is connected with the signal input part of controller 21;

Described controller 21 tramples instruction for sending at random to indicator panel 22, and indicator panel 22 lights corresponding indicator lamp according to the direction caused by instruction of trampling received; Indicator panel 22 has four indicator lamps up and down, such as, when controller 21 tramples top pedal instruction to indicator panel 22 transmission, the indicator lamp of top corresponding on indicator panel 22 lights, and prompting user tramples the pedal 2 of top

Whether the pressure signal transmitted according to induction installation 20 judges that user tramples correct, and as correctly, controller 21 sends counting instruction to counter 23, and counter 23 counts to be increased, and when specifically implementing, counts and preferably adds 1 more for convenience;

Battery 12 is respectively induction installation 20, controller 21, indicator panel 22 sum counter 23 are powered.

By controller 21, the indicator lamp up and down on indicator panel 22 is flashed at random, according to the direction indication of indicator panel 22, select correct pedal 2.When the signal being arranged on the output of the sensor on pedal 2 is consistent with the signal that indicator lamp exports, counter 23 is from adding 1.

Operation principle

By controller 21, the indicator lamp up and down on indicator panel 22 is flashed at random, according to the direction indication of indicator panel 22, select correct pedal 2.Pedal 2 pressurized, produces to bottom offset, by lever 3 by displacement equations, then passes motion to ratchet 4 by connecting rod 6.In four pieces of pedals 2, any one moves, and all can be exported from main shaft 10 by moving movement by ratchet 4.Revolution amplifies by the secondary Spur Gear Driving successively through appropriate ratios, and last drive electrical generators rotates with desired speed, completes generating, and by charging system by electrical power storage.

During concrete use, consider the outward appearance of product, volume, and the convenience that user takes exercise, suitable size should be designed.

1, the appearance and size of pedal 2:

Pedal 2 is divided into four parts up and down.Because arrow flashes at random, in order to make the user to use Energy and comfort, pedal 2 freely, should be designed and sized to 800cm × 800cm by the change of feet

2, the size of main body 1

In order to take into account rational in infrastructure and good looking appearance, box sizes is designed to long 530cm × wide 310cm × high 172cm.

3, the size of indicator panel 22

In order to the scope extended one's service, and make user's more convenient operation, allow indicator panel 22 independently become block, make its height adjustable.In addition, indicator panel 22 is designed to long 350m × wide 200cm.

Illustrate below, parameter when concrete use is of the present invention:

Strength check

In order to ensure the quality of product, service life and reliability, strength check need be carried out to product.The use crowd of product comprises child and adult, considers body weight and impulsive force, is set to 900N to the pressure of pedal 2.

(1) first lever 3 intensity is checked.Adopt common iron as pole stock, its bending strength allowable [σ]=200Mpa, lever 3 force diagram is shown in Fig. 5.In Fig. 5, be positioned at the long 100mm of the arm of force on the left of fulcrum, be positioned at the long 580mm of the arm of force on the right side of fulcrum, downward pressure F=900N.

Have mechanics of materials knowledge calculating left side and intermediate node place stressed:

ΣFy＝0,F+F _L-F _M＝0；

ΣM _o＝0,Fl ₁-F _Ll ₂＝0；

What calculate knows F _l=155N, F _m=1055N.

Then the calculation of Bending Moment formula at any section is drawn:

M ₁＝Fx＝900x(0<x<0.1)；M ₂＝F _M(x-0.1)-Fx＝155x-105.5(0.1<x<0.68)；

Bending moment diagram as shown in Figure 6, therefore knownly gives check maximal bending moment section moment of flexure situation in the maximum actual institute of intermediate node section moment of flexure;

$I_z=\frac{{\mathrm{bh}}^3}{12}=\frac{1}{12}{\mathrm{cm}}^4,W_z=\frac{I_z}{y_{max}}=\frac{1}{6}{\mathrm{cm}}^3;$

$\mathrm{\&sigma;}=\frac{M}{W_z}=\frac{90}{1/6}\&times;100=45000Pa<\&lsqb;\mathrm{\&sigma;}\&rsqb;$ Meet the demands, the check of tooth face contact fatigue strength when then considering be certain one-level two gears meshing, by formula

${\mathrm{\&sigma;}}_H=Z_E{Z}_H{Z}_{\mathrm{\&epsiv;}}\sqrt{\frac{2000{\mathrm{KT}}_1}{{\mathrm{\&phi;}}_d{d}_1^3}\frac{u\&PlusMinus;1}{u}}\&le;\&lsqb;{\mathrm{\&sigma;}}_H\&rsqb;;$

Wherein:

1) coefficient of elasticity $Z_E=189.8\sqrt{MPa}.$ Table look-up and can obtain

2) node region coefficient Z _h=2.5.Table look-up and can obtain

3) Superposition degree modulus $Z_{\mathrm{\&epsiv;}}=\sqrt{\frac{4-{\mathrm{\&epsiv;}}_{\mathrm{\&alpha;}}}{3}}=\sqrt{\frac{4-1.67}{3}}=\mathrm{0.88.}$

4) coefficient of facewidth φ _d=0.8.Table look-up and can obtain

5) loading coefficient K=K _ak _vk _{h β}k _{h α}=1.25 × 1.01 × 1.45 × 1.35=2.47.Concrete calculating K _{h β}, K _{h α}formula see mechanical design handbook.

6) determine allowable contact stress, calculating is tried to achieve $\&lsqb;{\mathrm{\&sigma;}}_{H1}\&rsqb;=\frac{{\mathrm{\&sigma;}}_{H\lim 1}}{D_{H\min }}{Z}_N=\frac{735\&times;1.05}{1.05}=735Mpa,$ $\&lsqb;{\mathrm{\&sigma;}}_{H2}\&rsqb;=\frac{{\mathrm{\&sigma;}}_{\mathrm{Hlim}2}}{S_{H\min }}{Z}_N=\frac{570\&times;1.16}{1.05}=629Mpa,$ Get wherein minimum of a value to check.

7) tooth face contact fatigue strength is checked

$\begin{array}{c}{\mathrm{\&sigma;}}_H=Z_E{Z}_H{Z}_{\mathrm{\&epsiv;}}\sqrt{\frac{2000{\mathrm{kT}}_1}{{\mathrm{\&phi;}}_d{d}_1^3}\frac{u\&PlusMinus;1}{u}}\\ =189.8\&times;2.5\&times;0.88\&times;\sqrt{\frac{2000\&times;2.47\&times;357}{0.8\&times;{130}^3}\frac{3.25+1}{3.25}}Mpa\\ =478Mpa<\&lsqb;{\mathrm{\&sigma;}}_{H2}\&rsqb;=629Mpa\end{array}$ Meet the demands.

Circuit is checked:

By calculating above, we know that the displacement enlargement that lever 3 left end obtains is maximum, and the angle that ratchet 4 now rotates is 45 °, is 1/8 circle when people steps on pedal 2 the most beneath i.e. spring-compressed ultimate range.

Known ratchet 4 rotational speed two-stage gear ratio is respectively equal in operating pitch circle place speed from gear:

R ₁2πr _n＝R _1′2πr ₂

R ₂2πr ₂＝R _2′2πr ₃

Calculate the rotating speed r passing to generator 11 ₃≈ 1.875r/s.The basic rated voltage of generator 11 meets when its rotating speed reaches 1r/s, the final voltage U=0.8V exported, electric current I=0.3A, and the real data of bringing us into calculates known output voltage U=1.5V now, is unstable voltage.Adopt that regulator rectifier circuit is stable to be exported, and adopt voltage amplifier circuit to carry out voltage amplification, and by produced electricity stored in rated voltage be 9V battery 12 in the middle of.Voltage x current whether content with funtion requirement is checked below according to charge fundamental voltage and controller (MCU driving) required voltage power of battery 12.

Battery 12 charging voltage need meet U ₀through our actual measurement,>=9.0V, knows that generator 11 output voltage is 1.5V ~ 1.8V, after DC-DC stepup transformer, output voltage is learnt as U=8.6 ~ 12.5V meets the charging requirement of battery 12 after universal meter is measured; For controller part, the basic demand due to single-chip microcomputer in counter is U>=U ₀=5V, after DC-DC voltage reduction module, output voltage is the basic demand that U=5 ~ 5.6V also meets control system.

What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (5)

1. a family expenses dancing machine, is characterized in that: comprise main body (1), transmission system, speed change system and charging system;

Described main body (1) is lid up and down, and the upper cover of described main body is made up of pedal (2);

Described transmission system comprises pedal (2), lever (3), ratchet (4), multiple pedal resetting structure and main shaft (10);

Described lever (3) and multiple pedal resetting structure are arranged in main body (1), wherein pedal resetting structure is arranged on the below of pedal (2), described lever (3) comprises the forced section and power transmission portion that are mutually permanently connected, described forced section is fixed on the below of pedal (2), and power transmission portion is connected with ratchet (4);

Described main shaft (10) is fixedly connected with ratchet (4);

Described charging system comprises generator (11) and battery (12), and generator (11) electricity amount is stored in battery (12);

Described speed change system comprises gear wheel (16), middle gear (17), two pinions (18) and power transmission shaft (8);

Described gear wheel (16) is fixedly connected on one end of main shaft (10), middle gear (17) and pinion (18) are fixedly connected on the two ends of power transmission shaft (8) respectively, and another pinion (18) is fixedly connected on the power transmission shaft of generator (11); Gear wheel (16) engages with the pinion (18) being fixedly connected on power transmission shaft (8) one end, middle gear (17) be fixedly connected on pinion (18) on generator (11) power transmission shaft and engage.

2. family expenses dancing machine as claimed in claim 1, is characterized in that: described pedal (2) comprises four pedals up and down.

3. family expenses dancing machine as claimed in claim 1 or 2, is characterized in that: described pedal reset knot comprises bearing (5) and overcoat telescopic spring plate (14) thereon.

4. family expenses dancing machine as claimed in claim 2, is characterized in that: the forced section of described lever (3) is by the horizontal lever be positioned under the pedal of left and right and is positioned at the cross-shaped configuration that the longitudinal lever under upper and lower pedal forms;

Described power transmission portion is connected with ratchet (4) by connecting rod (6).

5. family expenses dancing machine as claimed in claim 3, it is characterized in that: described charging system also comprises mu balanced circuit, described mu balanced circuit is connected in parallel in the charge circuit of battery (12).