CN1211456A - Multi-purpose bicycle for body-building and entertainment - Google Patents

Abstract

A bicycle for both body-building up and entertainment purposes features that it has adjustable frame, saddle, supporter-protector, and reciprocating rotary-swing cable-retractable drive composed of two winding wheel sets with ratchet wheel, tension device, pull cable and pulley. It can run at different speed and can also be used to build up leg, arm and abdomen or as jump vehicle, baby cradle, swinging chair, or vehicle for disabled people.

Description

Multi-purpose bicycle for body-building and entertainment

The present invention relates to a kind of multi-purpose bicycle for body-building and entertainment.It is to have adopted adjustable vehicle frame, seat, support protective device and put the bicycle that integrates body-building, amusement, rides instead of walk of receiving cable-styled transmission and making by the reciprocal swing that members such as the twisted wire wheel of two cover band ratchets, chest expander, drag-line, pulley constitute on bicycle.

Present known bicycle is to adopt the chain transmission.Have only whole circle rotation to scrunch a kind of drive form.Or can not speed change, or the gear complexity, seat is narrow in addition, and health is uncomfortable, and is not free, and the usefulness of only riding instead of walk.

Purpose of the present invention to make exactly a kind of more comfortable, safer, have multiple type of drive, can realize the many usefulness of a car, can do indoor body-building, amusement, can ride instead of walk again, and need not speed change under steam and can reach the novel multi-use car of speed changing effect.

The object of the present invention is achieved like this:

One, structure: see accompanying drawing P2 Fig. 2; P3 Fig. 3; tap 1 (is equipped with brake lever on it; same bicycle brakes; the figure part omitted) be contained in by plane bearing and pass on the front fork 5 of vehicle frame 4, the lower end of front fork 5 is by front axle (front axle should make slightly, long), and front-wheel and regulatable support protective device assembly 7 are housed, and (7 by locking Luo mother 7a; see P10 Figure 14; connect Luo pipe 7b, pull bar 7c, the pawl axis 7d of band edge face profile of tooth; the ratchet 7e of band edge face profile of tooth; the female 7f of locking Luo, the female 7g of locking Luo, spring 7h; the fork bar 7i of band ratchet supports steamboat 7j and forms.7b is spun on the front axle, and by 7a locking, the lower end sky of 7c is enclosed within on the 7b; the upper end is connected on the Luo bar special on the front fork 5, and the middle part is fastenedly connected with the 7d that is spun on the 7b, is set with 7e on the other end Luo bar of 7b; spacing by 7f, as it is spacing to tighten 7f, makes 7d; the contrate tooth profile of 7e is chimeric; then 7e is fixed; as not tightening 7f, promptly the contrate tooth profile of 7e is deviate from, and then 7e is free to rotate; the 7i sky is enclosed within on the 7b; the end of 7h hangs in the crotch hole of 7i, and the other end hangs in the 7d hole, and 7i is pulled away from ground; spacing by 7e; in the crotch of 7i 7j is housed, steps on 7i to 7j down and land, can play an overfill protection and a braking action; 7j can be stuck on the ground as stepping on 7e again, play station frame effect).The front end of vehicle frame 4 has special vehicle frame bar linking sleeve and pulley card frame, see P9 Figure 12, can be on the card frame for clamping pulley assembly 3, (3 by roller arm 3a for P8 Figure 11, pellet shot from a slingshot, the bullet bowl, regulate shelves, the female 3b of locking Luo, 3c, 3d, 3e makes with pellet shot from a slingshot etc. with bicycle middle shaft, pulley body 3f, divider 3g composition) 3 can be used for adorning left and right sides crank handle assembly 2:(P8 Figure 10 again, 2 by garment bag 2a, handle 2b, form with the movable pedal 2c that screws in the Luo hole, 2b lower end), be shaped on the left and right sides vehicle frame bar 6 of raceway, P10 Figure 13, front end is connected in the front end adapter sleeve of vehicle frame 4 with bearing pin, the rear end is worn with bearing pin and is connected in the vehicle frame adjustment hole, can regulate height along vent stem, the rear end of vehicle frame 4, by bearing block assembly 14, connect axle 10 with left and right sides wheel hub and fix that (14 by bearing block 14a, bearing 14b, end cap 14c forms, and 14a figure sees P11 Figure 17, the inner ring of 14b and 10 fixes) end of 10 makes the square-outside and round-inside shape, the diameter of the interior circular hole of (9 wheel hub 9a and bearing 9b by round outside but spuare inside shape form) 10 equals the outer ring installation dimension of bearing 9b in the respective party tenon of its external parties tenon insertion hub assembly 9, just in time withstands left and right sides cycle surface, leans on hind axle assembly 11 (by rear axle 11a, pellet shot from a slingshot, the bullet bowl is regulated shelves, the female 11b of locking Luo, 11c, 11d, 11e forms, with the bicycle rear axle structure) and be unified into an integral body (seeing P3 Fig. 3 A-A); Two outer ends 10 are fixed with twisted wire wheel assembly 12, and (see P11 Figure 15,12 can be that bicycle flies by ratchet 12a-, also can be other form ratchet that outer ring and twisted wire wheel is made one, and its inner ring and 10 fixes; Twisted wire wheel 12b, articulating Luo bolt 12c forms) 12b is divided into several distribution circles on diametric(al), on the distribution garden of minimum, as the D=100 place, make several equally distributed garden bars, three blocks of plectanes that twisted wire is taken turns are linked to be an integral body on width, the garden bar also can be used for articulating drag-line, the certain angle that staggers mutually on other distribution circle diameter respectively is shaped on several equally distributed unthreaded holes, so that put on Luo bolt 12c according to changing according to needs; The twisted wire wheel is made two parts on width, a part is for forward articulate drag-line 18 on 12c, draw after twining a few, the connection of exit is decided on purposes, (18 can adopt the flat belt of width 16-20), another part also forward around hang that chest expander 19 draws around rope, (19 can adopt commercially available five dress chest expanders, remove the handshake part, but a softer spring therein should change the outfit, its elastic force can make the drag-line return get final product when only guaranteeing the reverse idle running of ratchet, when car uses so that ride instead of walk, unlikelyly expend too much power), 19 hang on the chest expander peg 20 of band pulley, 20 are inserted in the vertical rod of vehicle frame 4, vertical rod top is welded with and holds out against the Luo silk, be used for fixing 20 positions in vertical rod, the middle part of vertical rod is shaped on plate, be used to connect pull bar 16, one end of shelf 17,16,17 the other end is connected in the plate of vehicle frame 4 cross bar rearmost ends, the Luo bar of right truckle 13 of keeping left passes that wherein the back is fixing, see P10 Figure 16,13 by Luo bar 13a, the pellet shot from a slingshot of forming pulley bearings, the bullet bowl, regulate shelves, the female 13b of locking Luo, 13c, 13d, 13e is contained on the Luo bar 13a, and pulley body 13f is housed on bearing, and the outer end of Luo bar is fixed with the shelves frame 13g that makes one with mother Luo, after being through on the vehicle frame 4,13a is locked by mother Luo.Seat assembly 22 (P12 Figure 18; Figure 18-22d; Figure 18-22c; P13 Figure 18-22a, Figure 18-22b, 22 by chair support body 22a; backrest 22b; extension bar 22c, lengthening is formed by 22d, regulates each several part or change and can satisfy different needs with binding, the relation of laying of vehicle frame 4 or vehicle frame bar 6); below vehicle frame 4 left and right sides cross bars, a short stanchion is arranged respectively also; be shaped on unthreaded hole and Luo bar on it, support protective device assembly 7 in order to change the outfit, in addition; also is furnished with handle 21; stay cord 23, toe clip 24, frame 15 annexes such as grade of standing.

Overall dimension is seen P4 Fig. 4

Two, running part operation principle: the running part of this car is independently to be taken turns and chest expander with the twisted wire of ratchet by two covers, connects axle, wheel hub and drag-line, pulley by left and right sides wheel hub and is linked to be holistic assembly.At first, the difference of looking purposes is determined the size of chest expander spring radical and initial pretightning force, after the setting, the twisted wire wheel is clockwise when clockwise pulling drag-line, by the ratchet outer ring, ratchet drives inner ring and rotates, inner ring is fixed in wheel hub and connects on the axle 10, and 10 be connected on the same wheel hub 9 by square tenon and rear axle, thereby all can turn a wheel as long as wherein any one twisted wire wheel is clockwise or simultaneously clockwise, because the unilateral conductivity of ratchet, during reverse, can not drive wheel, the just reverse idle running of ratchet outer ring, so two twisted wires wheel does not produce interference each other, make the twisted wire wheel in rotation process at the pulling drag-line, chest expander is done forward to reel around rope, the drag-line stroke is big more, and chest expander is also big more around Suo Hangcheng, and promptly the length that is drawn out of drag-line equals the length that chest expander is reeled around rope, the elongation of chest expander spring, after moving the position to, pulling force disappears, and reverse idle running is being with in twisted wire wheel and ratchet outer ring under the spring force reset response, its result makes drag-line by rolling-in again, the twisted wire wheel is made reciprocal rotary oscillation in the course of the work, draws and puts once, finishes a working cycles.The size that changes spring radical and initial pretightning force just can adapt to rides body-building, the needs of various objectives such as amusement instead of walk.

Three, duty explanation:

According to the application target difference, the assembling link position of some member is also different, P4 Fig. 4 in conjunction with the accompanying drawings in view of the above below, and P5 Fig. 5, P5 Fig. 6, P6 Fig. 7, P6 Fig. 8, P7 Fig. 9 makes an explanation:

1, slide chair formula type of drive: see P4 Fig. 4, this is a kind of with recreational type of drive, be transferred in the adjustment hole of going up most vehicle frame bar 6 rear ends fixing, put seat assembly 22 thereon, 200 bearings on the chair frame 22a are placed in 6 the raceway, the drag-line exit or be pulled through pulley 3 after, connect the handle 21.Or the lower end of receiving the crank handle assembly 2 that is contained on the pulley 3; or be connected on by pulley 3 on the both sides web of seat assembly 22; when riding; respectively keep a spring the softest on the chest expander of the left and right sides; because the front end of vehicle frame bar 6 is downward-sloping; under deadweight and spring force effect, all can make seat slide to front end, the people is sitting on the seat; both hands or handle 21; or the upper end of holding crank handle 2, or hand steered tap handle, to pedal the connection Luo pipe 7b that supports protective device assembly 7 behind the both feet; slide after making seat; also be that drag-line is pulled, drive twisted wire wheel and wheel and rotate, loosen drag-line; the twisted wire wheel reverses under the elastic reset effect and makes the drag-line return; make seat slide to front end again, turn to also and undertaken, step on down fork bar and make and support steamboat and land and also can play braking action by both feet; when turning to; leg is pedaled action after should stopping, as wants to keep the speed of a motor vehicle, reliably pulls moving drag-line.All when making indoor body-building, only need on bearing block or vehicle frame cross bar, make the wheel built on stilts with 15 on the frame in station, choose chest expander spring radical and mix up initial pretightning force and get final product.

2, pull driving, p5 Fig. 5, the rear end of vehicle frame bar 6 is lowered to suitable Kong Weizhong, after the backrest of seat assembly 22 is transferred to proper angle, seat is placed in the raceway of vehicle frame bar 6, vehicle frame should be regulated this moment and insert a bearing pin slightly longer in the hole on the Kongzui, to block backrest than backrest width.Be pulled through with drag-line 18 or from the pulley of chest expander peg 20, or from pulley assembly 3, be pulled through, can do the driving that pulls of two kinds of forms, as consider the speed change problem, left and right sides drag-line 18 can be articulated in respectively on the different-diameter of twisted wire wheel assembly 12, as the left side drag-line is articulated in the D=100 place, move in the hole that installs on the maximum distribution circle diameter of twisted wire wheel and the right side is articulated Luo bolt 12C,, so just had the different speed ratio of two covers simultaneously as the D=240 place, when resistance hour, based on the left hand pulling, right hand pulling is to assist car is walked fast, when resistance is big, then based on right hand pulling, the left hand pulling is auxilliary, need not speed change under steam like this, and actual effect with speed change, during pulling, be with ride support on the protective device assembly 7 palm to, braking; When making indoor body-building, body-building such as also can draw forward.

3, making pedal drives: P5 Fig. 6; vehicle frame bar 6 is fixing towards being lowered in the suitable adjustment hole, the chair of seat assembly 22 by after being transferred to proper angle, is placed in 6 the raceway; move the short stanchion that installs to vehicle frame 4 cross bar bottoms with supporting protective device assembly 7, insert in the hole on it.Lock with Luo is female on the two sides, between pawl axis 7d and short stanchion, connect again and (use long draw when being contained in the front with short rod 7c, use short rod when being contained in the back), pawl axis 7d and ratchet 7e are locked with the female 7f of locking Luo, make mutual profile of tooth chimeric, even ratchet is fixed on the suitable height, fix rope band at the front end of fork bar 7i.After being pulled through left and right sides pulley 13, rope band is tied up on bicyclist's the waist, (when for disabled persons, the overhead height of support wheel after promptly 7e is fixed, works the height of the effect of placing restrictions on by the health that leans forward steamboat to be landed.Should guarantee that car is when either party tilts; after steamboat lands; can hold car; playing buffering by tether pulling steamboat under steam lands; the disabled person pulls drag-line with one, grasps tap on the other hand, can be without tether when the normal person uses; because of the seat terrain clearance very short; pin can land very easily, and 7 have been used as an overfill protection of certain altitude or have only done station frame use), at this moment; connect toe clip 24 after leaving behind with drag-line 18 or by the pulley on the peg 20; or, all be to pedal forward with pin to drive, when getting on the bus with the lower end that drag-line 18 is received the crank handle assembly 2 that is contained on the pulley assembly 3; prop up ground with a pin, another pedal is moving to get final product.When making indoor body-building, also seat assembly 22 can be transferred to bigger angle, seat position shown in two point is drawn among P5 Fig. 6, the people faces upward and lies on it, holding lengthening by two handgrips on the 22d, lie with legs pointing up and penetrate in the toe clip of the left and right sides, utilization abdomen, leg power spur along the front lower place, lateral of leading handgrip, when loosening, under the spring force effect, both legs are pulled upwardly again, can make abdominal exercise.

4; making the amusement motor-tricycle uses: P6 Fig. 7; to support protective device assembly 7 and still place the car rear portion; only making the station frame uses; chair frame hole on the seat assembly 22; connect by bearing pin with vehicle frame 4 adjustment hole topmost; with chair back 22b furnishing right angle; mix up the spring radical on the chest expander 19 and the size of initial pretightning force; (initial pretightning force is exactly to work as seat support at initial position; when not moving as yet; spring has just added the power that its front end is made progress; chair is leaned against in the vehicle frame vertical rod by drawing); mix up drag-line hitching position diameter; mix up the length of pulling out of extension bar 22c; connect the drag-line exit again; the comprehensive result who adjusts is sitting on the seat people; the health that leans forward can make the seat front end downward, after landing to both feet, can dial backward again and pedal the ground increase speed of a motor vehicle; the health of thereupon swinging back is pressed in chair by last; move after the center of gravity, seat is made progress again, be close to the vehicle frame vertical rod to the chair back; health does not lean forward; seat just can be stabilized on this position, also pin can be placed on two external parts of front axle, and the rhythm of the row that jumps is random.

5, making Body-building rocking chair uses, see P6 Fig. 8, P8 Figure 10, prop station frame 15, seat assembly 22 is moved in the fixing hole at vehicle frame bar 6 middle parts to wear and be connected with chair frame hole foremost, pulley 3 is moved in the screens of back, load onto crank handle assembly 2 thereon (by two Luo bars, two alignment pins are packed on the pulley 3), choose spring radical and initial pretightning force, drag-line 18 is connected on the chair frame brace, at this moment seat is pulled to the rear end and leans against in the vehicle frame vertical rod, then backward with the lower end of left and right sides crank handle assembly 2, (upper end forward), move on the suitable position, connect stay cord in the middle on the Luo bar and (then be connected in the holding out against on the Luo silk of chair frame front end on the seat, the length of stay cord is the tie point director degree between two precalculated positions shown in solid line and the double dot dash line among the figure, suitable being as the criterion during with human action), during action, pin is placed on the pedal 2c of crank handle assembly 2 lower ends, hold the plastic cement handgrip 2a of crank handle upper end, or emphatically with pulling, or use pedal emphatically, make the swing forward of crank handle upper end, drive seat by stay cord and swing (move toward one another is made with seat in the crank handle upper end) forward, seat pulling drag-line 18 rotates twisted wire wheel assembly 12 like this, the elongation of being reeled of the spring on the left and right sides chest expander 19, after action puts in place, stop firmly or during firmly less than spring force, seat assembly 22 or crank handle assembly 2 can be made general like this and take exercise all with return.

6, do shaking table, slide chair use.P7 Fig. 9 still moves to seat assembly 22 in vehicle frame bar 6 mider holes and to connect, and the chair back is transferred to suitable angle, blocks with netting on the handgrip of lengthening by 22d and extension bar 2c, and drag-line 18 is articulated in chair frame front end promptly becomes shaking table since childhood; Only need to mix up chair and put into vehicle frame bar raceway by the seat of angle, periphery still blocks with netting, is exactly slide chair since childhood.

7, take off chest expander, can keep its original function, do chest expanding and take exercise.

Owing to adopted such scheme, this car has following advantage:

1. adopt reciprocal swing to put and receive cable-styled transmission, removed chain, sprocket wheel replaces the twisted wire wheel, and drag-line is cheap for manufacturing cost, and makes drive form increase to many kinds.

2, adopted two covers independently with the twisted wire wheel construction of ratchet, adjusting twisted wire wheel is gone up the hitching position diameter and can be changed speed ratio, so as long as the right and left adopts and different articulate diameter and just can obtain two kinds of different speed ratios simultaneously, and solution speed and laborsaving between contradiction, when adopting drag-line 18 is passed pulley on the chest expander peg 20, when drawing from top to bottom, the pulling stroke can reach more than 1000, and during hitching position diameter D=100, the garden girth is 314, pulling once can make wheel change more than 3 circles, certainly this is to be guaranteed by the lower speed ratio of opposite side at a high speed, and when the opposite side drag-line was articulated in the D=240 place, the garden girth was 753.6, pulling once, can only make wheel turn over 1.3 circles, be very easily, so as long as spur this side earlier, make Che Xiandong, again row pulling opposite side.Just can make car have very high speed.

3, safer: owing to adopted the adjustable mode of vehicle frame bar; can make center of gravity very low, both feet can easily land, again owing to adopted support protective device assembly; can set up the steamboat terrain clearance in advance, steamboat is landed all make car safer.

4, adopted adjustable wide seat arm-chair, the support protective device assembly of engages adjustable uses, and is all when doing to drive with hand, all is to use the pin braking in a turn; Be to use the hand braking in a turn when driving with pin, be to withstand backrest with health when driving with pin in addition, do back and forth pedaling forward, but both both legs pedaled simultaneously, also can alternately pedal, and these all make health freer, more comfortable.

5, realized the many usefulness of a car, both can make the body-building recreation car again for relating to car, also can make children's's Che He shaking table for disabled persons, slide chair uses.

6, both can be in having moved body-building recreation, again can be in the indoor body-building amusement.

Claims (9)

1. multi-purpose bicycle for body-building and entertainment, it is to have adopted adjustable vehicle frame bar, seat, support protective device and put by the reciprocal rotary oscillation that members such as the twisted wire wheel of two cover band ratchets, chest expander, drag-line, pulley constitute to receive cable-styled transmission and integrating of making ridden instead of walk, the multipurpose bicycle of body-building, amusement on bicycle.It is characterized in that: be fixed with in the lower end of front fork (5) and make thick long front axle, its two ends are equipped with adjustable support protective device assembly (7) and are seen P2 Fig. 2, P3 Fig. 3, front end at vehicle frame (4) has special vehicle frame bar adapter sleeve and pulley card frame, P9 Figure 12, can be on the card frame for clamping pulley assembly (3), (3) can adorn crank handle assembly (2) on again, vehicle frame bar (6) the front end strand that is shaped on raceway is connected in the adapter sleeve of (4) front end, the rear end hinge joint is in the adjustment hole at (4) middle part, can regulate height along vent stem, (4) rear end connects on the axle (10) at left and right sides wheel hub by bearing block assembly (14) and fixes, (10) fuse by hind axle assembly (11) and hub assembly (9), (10) two outer ends are connected with twisted wire wheel assembly (12), (12) on forward around hang with that drag-line (18) and chest expander (19) draw around rope, (19) the other end hangs on the chest expander peg (20), and (20) are inserted in the vertical rod of vehicle frame (4), locatees by the Luo silk that holds out against in the vertical rod; In the rearmost end of vehicle frame (4) cross bar, left and right sides truckle assembly (13) is housed, adjustable seat assembly (22) is then laid, is connected with vehicle frame bar (6) and vehicle frame (4) according to circumstances.Also be furnished with station frame (15), handle (21), stay cord (23), toe clip annexes such as (24) in addition.More than structure adjusts the car of can riding instead of walk after the connection, amusement motor-tricycle, car for disabled persons, children's's shaking table, slide chair according to different purposes and uses, and also can do multiple body-building such as arm, shank, belly.

2. multi-purpose bicycle for body-building and entertainment according to claim 1, it is characterized in that: about two wheel hubs end of connecing axle (10) all make the square-outside and round-inside shape, see P3 Fig. 3, A-A, its external parties tenon inserts in the corresponding side's tenon of hub assembly (9), and (9) are by the wheel hub 9 of round outside but spuare inside shape _aWith bearing 9 _bForm, the interior circular hole of (10) directly equals bearing 9 _bThe cylindrical installation dimension, just withstand the both ends of the surface of bearing outer ring, by hind axle assembly 11 (by rear axle 11 _a, pellet shot from a slingshot, bullet bowl, regulate shelves, locking mother Luo 11 _b, 11 _c, 11 _d, 11 _eForm the same bicycle of structure) be unified into an integral body, 11 _aWith 9 _bInner ring do not cooperate, adopt the form of empty cover.The other end in (10) all is fixed with twisted wire wheel assembly (12), and (12) are by ratchet (12a), twisted wire wheel (12 _b), articulate Luo bolt (12 _c) form 12 _cCan be 12 _bAdjusted, (12) make two partly on width, some is used for 12 _cOn forward draw after a few around hanging drag-line (18), another part also forward around hang chest expander (19) exit around rope, (20) be inserted in vehicle frame (4) vertical rod, fix by holding out against the Luo silk, what above structure had constituted that this car acts on same wheel hub has two covers independently, adjustable reciprocal swing is put and is received cable-styled transmission device, also is the break-in adjusting device of chest expander elasticity source simultaneously.

3. body-building recreation multiservice car according to claim 2 is characterized in that: twisted wire wheel assembly (12) is by ratchet (12 _a), (fly or other form ratchet all can with bicycle.Better as its outer ring and twisted wire wheel is made one), twisted wire wheel (12 _b), articulate Luo bolt (12 _c) form 12 _aOuter ring and twisted wire wheel fix as one, inner ring should be secured to wheel hub and connect on the axle (10).12 _bBe divided into several distribution circles along diametric(al), behind the mutual wrong certain angle, respectively be shaped on several uniform unthreaded holes thereon, see P11 Figure 15, be used to change the outfit 12 _cWith, as long as change 12 _cThe patchhole position, promptly changed the hitching position diameter, also promptly changed transmission speed ratio, about drag-line (18) on the two twisted wires wheels can hang on the identical diameter, also can hang on the different diameters, so just obtain on this car, to have simultaneously the device of two kinds of different transmission speed ratios.

4. multi-purpose bicycle for body-building and entertainment according to claim 2, it is characterized in that: the chest expander (19) that has adopted the adjustable springs radical, the one end hangs on the chest expander peg (20) of height-adjustable band pulley, (20) be inserted in vehicle frame (4) vertical rod, it is highly set up the back and locatees by the Luo silk that holds out against in the vertical rod, the other end by around Suo Shunxiang around hanging on the twisted wire wheel assembly (12), by changing the distance between two articulated ends, can obtain different initial pretightning forces, can adapt to and ride instead of walk and the needs of multiple body-building, amusement.

5. multi-purpose bicycle for body-building and entertainment according to claim 1, it is characterized in that: preceding, middle part at vehicle frame (4) are shaped on vehicle frame bar adapter sleeve and a plurality of adjustment hole respectively, the one end hinge joint of vehicle frame bar (6) is in joint sleeve, the other end can be selected suitable Kong Weizuo hinge joint, can adapt to the needs of different purposes.

6. multi-purpose bicycle for body-building and entertainment according to claim 1 is characterized in that: adopted adjustable seat assembly (22), (22) are by chair support body (22 _a), backrest (22 _b), lengthening is by (22 _d), extension bar (22 _c) form, P12 Figure 18 regulates each several part or changes it and the laying of vehicle frame (4), vehicle frame bar (6), annexation, can adapt to the needs of different purposes.

7. multi-purpose bicycle for body-building and entertainment according to claim 1 is characterized in that: having adopted has the support of two positions that change the outfit protective device assembly (7), sees P10 Figure 14, and (7) are by locking mother Luo (7 _a), connect Luo pipe (7 _b), pull bar (7 _c), the pawl axis (7 of band edge face profile of tooth _d), the ratchet (7 of band edge face profile of tooth _e), locking mother Luo (7 _f), locking mother Luo (7 _g), spring (7 _h), the band ratchet fork bar (7 _f), support steamboat (7 _j) form; (7 _b) be spun on the front axle, by (7 _a) locking, (7 _c) the lower end sky be enclosed within (7 _b) on, the upper end is connected in front fork (5) and goes up on the special Luo bar, the middle part be spun on (7 _b) on (7 _d) be fastenedly connected (7 _d) other end Luo bar on be set with (7 _a).By (7 _f) spacing, as tighten (7 _f), promptly (7 _d), (7 _a) contrate tooth profile chimeric, then (7 ₆) be fixed, as not tightening (7 _f), promptly (7 _d), (7 _a) contrate tooth profile deviate from then (7 _a) free to rotate, (7 _j) sky is enclosed within (7 _b) on, (7 _h) an end hang over (7 _i) the crotch hole in, the other end hangs over (7 _d) in the hole, will (7 _i) be pulled away from ground, by (7 _a) spacing, (7 _i) crotch in be equipped with (7 _j); Under step on (7 _i) to (7 _j) land, can play an overfill protection and a braking action, as stepping on (7 again _a) (7) can be stuck on the ground, play station frame effect; (7) with front-wheel action, in order to when both hands are done to drive, with pin be placed on its drilling transit to, brake; (7) also can move and install to the vehicle frame postmedian.

8. multi-purpose bicycle for body-building and entertainment according to claim 7 is characterized in that: unload lower support protective device assembly (7) from front axle, move and install to the vehicle frame postmedian, with pawl axis (7 _d) and ratchet (7 _e) with locking mother Luo (7 _f) locking, make mutual profile of tooth chimeric, even (7 _a) be fixed on the suitable height fork bar (7 _i) the rear end by the spring pull-up, to this highly promptly by (7 _e) place restrictions on, fix rope band at its front end, be pulled through left and right sides truckle (13) after, lie between bicyclist's waist, the health that leans forward can make steamboat land, the station frame that can make the support protective device of disabled person's car and car uses.

9. multi-purpose bicycle for body-building and entertainment according to claim 1, it is characterized in that: prepared crank handle assembly (2) and seen P8 Figure 10, pulley assembly (3) P8 Figure 11, annexes such as left and right truckle (13) P10 Figure 16, the frame of standing (15), handle (21), stay cord (23), toe clip (24) and netting, can adapt to ride instead of walk, the needs of different purposes such as body-building, amusement.

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