CN200964156Y - Tricycle - Google Patents

Abstract

A new tricycle pertains to manual vehicle, wherein a suspension front fork is mounted on a fork handle cover (218) of a dragon bone (26) via a front fork handle (7), a grip (8) is mounted on the front fork handle (7), a front wheel (1) is mounted on the rotatable left and right fork heads (168) (149) of the suspension front fork, left and right rear wheels (61) (74) are mounted on the left and right axles (136) (80) of a differential axle rear bridge respectively, the differential axle rear bridge is mounted on the chassis frame (18), a carriage is welded on a chassis frame, a seat cushion (10) is mounted on a seat cushion upright (22), a backrest (12) is mounted on a backrest support (11), a hand brake handle (20) and a foot brake pedal (21) are mounted on a dragon bone (26) via an axle sleeve (192), a large sprocket (41) and left and right crutches (42) (36) are mounted via a central axle sleeve (219), and a chain (49) is fitted over the large sprocket (41) and a flywheel (114). The utility model is characterized by novel structure, artistic design, ease of operation and excellent overall strength. The rear door of the carriage is opened easily and locks up automatically. With two rear wheels for driving and braking, the utility model is characterized by steady driving, high safety, flexible turning, balanced and reliable braking force, suitable for short-distance transport.

Description

Novel three-wheeled bicycle

Technical field: the utility model relates to a kind of manpower trishaw, and particularly a kind of semiaxis is differential, double rear wheel drives, the novel three-wheeled bicycle of double rear wheel braking.

Background technology: trishaw of the prior art, generally by steering swivel system, foot-operated chain drive system, seat cushion, the compartment, front and back wheel, whole rear axle, single wheel drive structure and single-wheel brake structure are formed, the trishaw of this structure, owing to be single wheel drive, caused the propulsive effort overbalance, can influence cruising when the slipperiness on roads of drive wheel one side or when rough and uneven in surface, when carrying out brake snub or drag, because of two trailing wheels can not get synchronous braking, when being the drive wheel regulated brake, not controlled free gear continues the inertia preshoot and produces torsion, cause difficulty for the operation of driving, if it is excessive because of torsion to carry out sudden stop when fast running, can make vehicle depart from the cruising route, cause safety misadventure, so stability that the tricycle of prior art travels, safety, the alerting ability of turning, the drag equilibrium of forces must property and reliability etc. all have much room for improvement.

Summary of the invention: the purpose of this utility model is to provide a kind of novel three-wheeled bicycle, this bassinet structure novelty, handsome in appearance, operation is comfortable, car load intensity is good, can reach that double rear wheel drives, double rear wheel braking, driving stability, safety is good, turn about flexibly, all little and brake control power left and right sides balance failure-free purpose about turn radius.

Formation of the present utility model: by handlebar, shock-absorbing front fork, the keel body, sole and chain degree of tightness are adjusted structure, railway carriage mixing muscle additional strengthening, carriage back door is closed automatic locking structure, bridge construction after the differential damping of semiaxis, foot-operated double rear wheel drive configuration, the shared pivot structure of parking brake service brake, double rear wheel simultaneous equation brake structure, the seat cushion supporting structure, adjustable back structure and front and back wheel are formed, can the turn right jaw 149 and the jaw 168 that can turn left of dresses in the fork blade 160 of shock-absorbing front fork, all right one way or the other commentaries on classics jaw is connected with synchronous fork 4, shock-absorbing front fork and preceding fork handle 7 are installed on the fork handle cover 218 of keel body 26, handlebar 8 is installed on preceding fork handle 7, suit gum cover 9 on handlebar 8 is installed front vehicle wheel 1 on can the turn right jaw 149 and the jaw 168 that can turn left; Keel body 26 is at the leading section fork handle cover 218 that is welded, the rotating shaft that is welded in the position of the shared rotating shaft of parking brake service brake cover 192, at the middle part foot position bottom bracket axle 219 that is welded, the rear portion is connected with sole 18 by preceding shaft clevis 47 and the back clevis 48 that sole 18 bottoms are welded; Back axle front side plate 138 and back axle rear quarter panel 125 and bearing seat 86,94,103,129 are welded the back pontic, following 99 of left spring and right spring lower seat 82 two ends on plane on the pontic of back that are welded respectively, left half axle 136 is installed on the pontic left side, back, right-hand member at the back pontic is installed right axle shaft 80, off hind wheel 74 and flywheel 114 are installed on right axle shaft 80, left rear wheel 61 is installed on left half axle 136, by being welded at the left spring seat of honour 71 and the right spring seat of honour 69 of sole 18 bottoms, left side guide groove 128 and right guide groove 101, left spring 98 and right spring 81, left limit spiral shell axle 60 and right limit spiral shell axle 104, the differential back axle of semiaxis is installed on the sole 18, and the rotating shaft that brake handle 20 and service brake pedal 21 are installed on the keel body 26 is overlapped on 192;

On sole 18, the compartment is installed, the compartment is made up of cabin floor 70, compartment left side board 19, compartment right side board 72 and carriage back door 67, carriage back door is installed on right back door pillar 66 and the left back door pillar 68 by bumping axle 209, but swivel base chair 15 is installed in the front in the compartment, seat cushion 10 props up branch 22 by seat cushion and supports, on the bottom bracket axle on the keel body 26 219, install and turn left 42, turn right 36 and hinge wheel 41, suit chain 49 on hinge wheel 41 and flywheel 114, left threading 43 is installed turning left on 42, right threading 35 is installed on 36 turning right.

Carriage back door is closed automatic locking structure, by bump axle 209, bump cover 210, dead bolt 211 and bearing pin 212 are formed, two are bumped spools 209 spindle noses and insert bumping in the axle mounting hole of left back door pillar 68 and right back door pillar 66; Lock tongue slot when the end of meeting and discussing welds vertically upward, dead bolt 211 is installed in the lock tongue slot that bumps shaft head by bearing pin 212, installs on carriage back door 67 and bumps cover 210.

Bridge construction after the differential damping of semiaxis, spring hanging seat 137 is welded at back axle front side plate 138 middle parts, about each welding of brake dice position adorn a back plate 56, supporting sleeve 146 is welded in the bottom of two back plates 56, free wheel base 88 is welded into one with differential box 120, and flywheel 114 is contained on the free wheel base 88, clamping plate 130 are installed on left half axle 136,126, ball-bearing casing 127 is installed on the left half axle between two clamping plate 136, flat key 97 is installed on left half axle 136, left side brake hubs 96, ball-bearing casing 123, ball-bearing casing is contained in the bearing seat 94, clamping plate 93 are equipped with on both sides, 95, and left locating bush 92 is fixed on the left half axle 136 by lock screw 122, at left half axle 136 left button piece 91 and left bevel gear 121 are installed, left bevel gear 121 is positioned on the differential box 120 left holes, overlaps bolt groups 105 ball-bearing casing 127 by two cover bolt groups 102 and two, 123 difference clampings are at bearing seat 129, on 94, lock screw 122 is installed on left locating bush 92 and left brake hubs 96,124;

Right-hand member at the back pontic is installed right axle shaft 80, clamping plate 100 are installed on right axle shaft 80, ball-bearing casing 107, clamping plate 106, flat key 84, right brake hubs 83, clamping plate 85, ball-bearing casing 111, clamping plate 112, right locating bush 87, right button piece 89 and right bevel gear 115, right bevel gear 115 is positioned on the differential box 120 right holes, overlap bolt groups 105 ball-bearing casing 107 by two cover bolt groups 102 and two, 111 difference clampings are at bearing seat 103, on 86, lock screw 113 is installed on right locating bush 87 and right brake hubs 83,110, by little axle 117 with planetary bevel gear 90,119 pack in the differential box 120 and with left bevel gear 121 and 115 engagements of right bevel gear, load onto packing ring 116 and spring cotter 118 in little axle 117 terminations of stretching out differential box 120.

The shared pivot structure of parking brake service brake, service brake pedal 21 and service brake dial sleeve 193 are welded into one, brake handle 20, handle frame 179 and parking brake dial sleeve 185 are welded into one, bearing pin 181 and pressure connecting plate 189 are welded into one, ratchet 174 is by pillow block screw 173, bullet pad 197 and nut 198 are installed on the handle frame 179, bearing pin 181 inserts in the hole of ratchet 174 afterbodys and push rod 180 heads, with set screws 188,190 are connected and fixed, spring 186 is sleeved on screw thread one end of push rod cup 178 and inserts in the brake handle 20, push rod cup 178 is installed on the push rod 180 and with jam nut 187 and locks, positioning plate 175 and fan type ratchet 177 are by positioning pad 191 and set screws 182,176 are installed on the keel body 26, front rotary shaft 184 is packed in the rotating shaft cover 192 on the keel body 26, right-hand member at front rotary shaft 184 is installed service brake dial sleeve 193 and service brake finger 194, with holding screw 195 location, left end at front rotary shaft 184 is installed parking brake dial sleeve 185 and parking brake finger 183, with locking lubricating cup 196 location.

The double rear wheel drive configuration, chain 49 is connected with flywheel 114 with hinge wheel 41, by set screws 33 chain guard 30 is installed on chain 49, flywheel 114 is connected with off hind wheel 74 with left rear wheel 61 respectively with right axle shaft 80 by free wheel base 88, differential box 120, little axle 117, planetary bevel gear 90,119, left bevel gear 121, right bevel gear 115, left button piece 91, right button piece 89, left half axle 136.

Double rear wheel simultaneous equation brake structure, preceding pivoted arm 39 is installed on the front rotary shaft 184, digonal link 34 is installed on preceding pivoted arm 39, digonal link 34 is connected with communtation arm 40, intermediate rod 44 is connected to behind communtation arm 40 and the pull bar on the pivoted arm 140, be connected with right brake steel band 108 with left side brake steel band 57 with two brake pivoted arms 139 by brake back rotating shaft 52 again, at left and right sides steel band 57, spiral shell axle 53 is adjusted in the welding brake on 108, adjusting on the spiral shell axle 53 with two cover nuts 54,55 and two cover bullet pads 145,147 and two supporting sleeve 146 mounting support plates 56, left side brake rubber block 58 and right brake rubber block 109 are riveted on respectively on left side brake steel band 57 and the right brake steel band 108, place on left brake hubs 96 and the right brake hubs 83, hub 83 is stopped by flat key 97 in the left brake hubs 96 and the right side, 84 are installed on left half axle 136 and the right axle shaft 80.

Compared with the prior art, the utility model has following characteristics:

1. front and back wheel is equipped with shock-damping structure, travels steadily, drives comfortable.

2. vehicle frame is combined by quarter bend keel body and sole, be provided with the chain degree of tightness at connecting portion and adjust structure, only need unclamp bolt group and jam nut during adjustment, rotate adjustable bolt then and adjust the chain degree of tightness, transfer finishing resets bolt group and jam nut to screw gets final product, easy to operate, positioning is reliable.

3. carriage back door is closed automatic locking structure, has changed the locking mode of prior art, makes the switch of carriage back door and the locking light and fast, safe and reliable that becomes.

4. back axle adopts the semiaxis difference structure, realized the double rear wheel driving, double rear wheel braking and left and right sides turn radius are all little, function flexibly again, thereby stationarity and safety that trishaw is travelled, the balance of braking force, the reliability of braking effect, about the alerting ability of turning, the comformability of various road conditions etc. all is greatly improved than prior art.

5. the shared pivot structure of parking brake service brake has been realized lock out operation and operated the function that mutually noninterfere all reaches same braking effect simultaneously, makes the brake system compact conformation, and is easy and simple to handle.

6. the compartment adopts the low plate of convex-concave muscle, triangle muscle side plate, Jie shape top margin, and round-corner transition is taken turns protruding indent and back door and closed automatic locking structure, makes the compartment good looking appearance, and the lines flow smoothly, intensity good, and usage space is big, and back door switch is convenient and swift.

Description of drawings: Fig. 1 is a profile lateral plan of the present utility model, Fig. 2 is the A-A cutaway view of Fig. 1, Fig. 3 is the B-B cutaway view of Fig. 2, Fig. 4 is the D-D cutaway view of Fig. 5, Fig. 5 is the C-C cutaway view of Fig. 4, Fig. 6 is brake control structure figure of the present utility model, Fig. 7 is the E-E cutaway view of Fig. 6, Fig. 8 is the F-F cutaway view of Fig. 6, and Fig. 9 is the J-J cutaway view of Fig. 1, and Figure 10 is the birds-eye view in compartment, Figure 11 is the G-G cutaway view of Figure 10, Figure 12 be the K of Figure 10 to view, Figure 13 is the upward view of sole, Figure 14 is the H-H cutaway view of Figure 13.

Among the figure: 1. front vehicle wheel, 2. protect the mud plate, 3. bolt, 4. pitch synchronously, 5. spring, 6. jam nut, 7. preceding fork handle, 8. handlebar, 9. gum cover, 10. seat cushion, 11. back bracket, 12. backrests, 13. set screws, 14. backrest adjustment racks, but 15. swivel base chairs, 16. spring, 17. bearing pins, 18. soles, 19. the compartment left side board, 20. brake handles, 21. service brake pedals, 22. seat cushion pole, 23. pipe clamp cards, 24. bolt groups, 25. the bolt group, 26. keel bodies, 27. bolt shaft, 28. the taper pin group, 29. Middle shaft assemblies, 30. chain guards, 31. auxilliary pole, 32. bolt groups, 33. set screws, 34. digonal link, 35. right threadings, 36. turn right, 37. the bolt group, 38. mud plate pin, 39. preceding pivoted arms, 40. communtation arm, 41. hinge wheels, 42. turn left, 43. left threading, 44. intermediate rods, 45. bolt groups, 46. the bolt group, 47. preceding shaft cleviss, 48. back clevis, 49. chain, 50. jam nuts, 51. adjustable bolts, 52. brake back rotating shaft, spiral shell axle, 54. nuts are adjusted in 53. brakes, 55. nut, 56. back plates, 57. left side brake steel bands, 58. left brake rubber block, 59. nuts, 60. left side limits are lived the spiral shell axle, 61. left rear wheel, 62. left hinges, 63. back backplates, 64. set screws, the earth rubber skin is protected on 65. left sides, 66. right back door pillars, 67. carriage back door, 68. left back door pillar, the 69. right spring seats of honour, 70. cabin floors, 71. the left spring seat of honour, 72. the compartment right side board, 73. right wheels are protruding, 74. off hind wheels, 75. right wheel core housing, 76. plain cushion, 77. fluted nuts, 78. spring cotters, 79. the earth rubber skin is protected on the right side, 80. right axle shaft, 81. right springs, 82. right spring lower seats, 83. right brake hubs, 84. flat key, 85. clamping plate, 86. bearing seats, 87. right locating bush, 88. free wheel base, 89. right button pieces, 90. planetary bevel gears, 91. left button piece, 92. left locating bush, 93. clamping plate, 94. bearing seats, 95. clamping plate, 96. left brake hubs, 97. flat keys, 98. left springs, 99. following of left spring, 100. clamping plate, 101. right guide grooves, 102. bolt groups, 103. bearing seat, 104. right limit spiral shell axle, 105. bolt groups, 106. clamping plate, 107. ball-bearing casing, 108. right brake steel band, 109. right brake rubber blocks, 110. lock screws, 111. ball-bearing casing, 112. clamping plate, 113. lock screws, 114. flywheels, 115. right bevel gear, 116. packing ring, 117. little axles, 118. spring cotters, 119. planetary bevel gear, 120. differential box, 121. left bevel gears, 122. lock screws, 123. ball-bearing casing, 124. lock screw, 125. back axle rear quarter panels, 126. clamping plate, 127. ball-bearing casing, 128. left guide groove, 129. bearing seats, 130. clamping plate, 131. revolver is protruding, 132. the revolver core retainer plate, 133. plain cushions, 134. fluted nuts, 135. spring cotter, 136. left half axle, 137. spring hanging seats, 138. back axle front side plates, 139. brake pivoted arm, 140. pivoted arm behind the pull bar, 141. set screws, 142. set screws, 143. parallels, 144. tension spring, 145. bullet pads, 146. supporting sleeves, 147. bullet pad, 148. aluminium rivet, 149. jaws that can turn right, 150. spacing cards, 151. back plate, 152. spring support sleeve, 153. spring support sleeves, 154. jam nuts, 155. shock-absorption support, 156. the nylined bearing cover, 157. nylined bearing covers, 158. pillow block screws, 159. brace panel, 160. the front fork pin, 161. step pads, 162. thrust ball bearings, 163. inner conical drogue, 164. the bullet pad, 165. nuts, 166. nuts, 167. bullet pad, the jaw 168. can turn left, 169. brace panels, 170. pillow block screws, 171. bullet pad, 172. nut, 173. pillow block screws, 174. ratchets, 175. positioning plate, 176. set screws, 177. fan-shaped ratchets, 178. push rod cups, 179. handle frame, 180. push rod, 181. bearing pins, 182. set screws, 183. parking brake finger, 184. front rotary shaft, 185. parking brake dial sleeves, 186. springs, 187. jam nut, 188. set screws, 189. press connecting plate, 190. set screws, 191. positioning pad, 192. the rotating shaft cover, 193. service brake dial sleeves, 194. service brake fingers, 195. holding screw, 196. the locking lubricating cup, 197. bullet pads, 198. nuts, 199. nut, 200. the bullet pad, 201. cushion covers, 202. ball-bearing casings, 203. preceding wheel core housing, 204. front wheel spindle, 205. ball-bearing casings, 206. cushion covers, 207. bullet pad, 208. nut, 209. bump axle, and 210. bump cover, 211. dead bolt, 212. bearing pin, 213. right hinges, 214. right Connection Blocks, 215. left Connection Block, 216. nut, 217. transfer crack nut, 218. fork handle covers, 219. bottom bracket axle, 220. connecting pin, 221. bolt groups, 222. T-shaped lock screws.

The specific embodiment: the program by the dress back general assembly of first portion is implemented, the enforcement of shock-absorbing front fork such as Fig. 4, shown in Figure 5, earlier preceding fork handle 7, shock-absorption support 155 is contained in the back of fork blade 160 and welds, contraposition welds brace panel 159 on the inside groove of two legs and feet, 169, at the upper side of the two legs and feet spacing card 150 that is welded, at the downside of the two legs and feet connecting pin 220 that is welded, by pillow block screw 158,170, bullet pad 167,171, nut 166,172, load onto the right jaw 149 that can turn left in two leg ends of fork blade 160,168, again by spring support sleeve 152,153, spring 5, bolt 3, back plate 151 and jam nut 154, synchronous fork 4 is contained on the shock-absorption support 155, and makes two fork pin snap in two limits respectively firmly to block in 150, simultaneously and two right jaws 149 that can turn left, 168 connections weld; Front vehicle wheel 1 is installed on the jaw of the left and right sides; The enforcement of keel body as shown in Figure 1, keel body 26 is bent by a square shaped pipe integral body and forms, front end by 65 ° of angles be welded fork handle cover 218, control the position rotating shaft cover 192 that is welded in brake, at the foot-operated position bottom bracket axle 219 that is welded of controlling, make to have two connecting bores at rear portion and sole connection location, termination, rear portion steel plate seals and welds, and has all made mounting hole in the position of dress communtation arm and dress chain guard; The enforcement on chassis such as Figure 13, shown in Figure 14, earlier become sole 18 with the square steel tube assembly welding, shaft clevis 4 and back clevis 48 before sole 18 and keel body 26 bonded assembly positions are welded, at the sealing end of back clevis 48 nut 216 that is welded, after being contained in jam nut 50 on the adjustable bolt 51, again the thread end of adjustable bolt 51 is screwed in the nut 216, with pontic bonded assembly position, back the be welded left and right sides guide groove 128,101 and the spring seat of honour, the left and right sides 71,69, with the back bracket 11 bonded assembly positions left and right sides Connection Block 215,214 that is welded; Compartment mixing muscle additional strengthening and carriage back door are closed the enforcement of automatic locking structure, as Figure 10, Figure 11 and shown in Figure 12, earlier cabin floor 70 and compartment left side plate 19,72 mold pressings bend shaping, and assembly welding becomes car body, then in the left and right wheels convex position left and right wheels protruding 131 that is welded, 73, left and right sides far post 68 is welded in the carriage back door both sides, 66, the position bump axle is installed on the far post of the left and right sides to be welded and to bump axle 209, by behind 212 locks of bearing pin 211 be installed in bump the axle 209 heads lock tongue slot in, and make the inner of dead bolt 211 flexible up and down in lock tongue slot, the position bump cover is installed on carriage back door 67 to be welded and to bump cover 210, again by left and right sides hinge 62,213 carriage back doors 67 are contained on the back doorframe in compartment, during installation earlier bumping cover to the central collision spindle nose and be located in lock position, then left and right sides hinge 62,213 installations are reinforced, and make on its two hands forefinger and to press dead bolt 211, carriage back door 67 just can lightly be opened, when carriage back door 67 is closed, by bumping axle 209, bump the then automatic locking of mating reaction of cover 210 and dead bolt 211; The enforcement of bridge construction after the differential damping of semiaxis, as shown in Figure 2, earlier side plate 138 before and after the back axle, 125 with bearing seat 86,94,103,129 are welded the back pontic, left and right sides spring lower seat 99,82 two ends on plane on the pontic of back that are welded respectively, spring hanging seat 137 then is welded at the middle part of front side plate, back plate 56 is welded in the position of left and right sides brake hubs, supporting sleeve 146 is welded in the bottom of back plate 56, free wheel base 88 and differential box 120 be welded be integral, and flywheel 114 is contained on the free wheel base 88, installation left half axle 136 is installed in left half axle 136 on the left side of back pontic by the order of clamping plate 130 → ball-bearing casing 127 → clamping plate 126 → flat key 97 → left brake hubs 96 → clamping plate 95 → ball-bearing casing 123 → clamping plate 93 → left locating bush 92 → left button piece 91 → differential box 120 left hole → left bevel gears 121, overlap bolt groups 105 ball-bearing casing 127 by two cover bolt groups 102 and two, 123 difference clampings are at bearing seat 129, on 94, load onto lock screw 122 then, 124, the left end of left half axle 136 axial location at the back pontic, installation right axle shaft 80 is installed in right axle shaft 80 on the right-hand part of back pontic by the order of clamping plate 100 → ball-bearing casing 107 → clamping plate 106 → flat key 84 → right brake hubs 83 → clamping plate 85 → ball-bearing casing 111 → clamping plate 112 → right locating bush 87 → right button piece 89 → differential box 120 right holes → right bevel gear 115, overlap bolt groups 105 ball-bearing casing 107 by two cover bolt groups 102 and two, 111 difference clampings are at bearing seat 103, on 86, load onto lock screw 110 then, 113 right axle shaft 80 axial location are at back pontic right-hand member, pass through little 117 at last planetary bevel gear 90,119 pack in the differential box 120, make itself and left and right sides bevel gear 121,115 engagements, load onto packing ring 116 and spring cotter 118 in little axle 117 terminations of stretching out differential box 120, constitute the differential back axle of semiaxis, the back axle shock-absorbing function is realized after general assembly; The enforcement of the shared pivot structure of parking brake service brake, as Fig. 6, Fig. 7, shown in Figure 8, earlier service brake dial sleeve 193 and service brake pedal 21 are welded on request and are integral, parking brake dial sleeve 185, handle frame 179 and brake handle 20 are welded on request and are integral, bearing pin 181 with press connecting plate 189 to be welded on request to be integral, by pillow block screw 173, bullet pad 197 and nut 198 are installed in ratchet 174 on the handle frame 179, again the spindle nose skewer of bearing pin 181 is gone in the hole of ratchet 174 afterbodys and push rod 180 heads, with set screws 188,190 are connected and fixed, after spring 186 being enclosed within screw thread one end of push rod cup 178 its skewer is gone in the brake handle 20, fuse with jam nut 187 lockings with screw one end of push rod 180, by positioning pad 191 and set screws 182,176 positioning plates 175 and fan-shaped ratchet 177 are installed on the keel body 26, again front rotary shaft 184 is packed in the rotating shaft cover 192 on the keel body 26, load onto service brake dial sleeve 193 and service brake finger 194 at the right-hand member of front rotary shaft 184 then, with holding screw 195 location, load onto parking brake dial sleeve 185 and parking brake finger 183 at the left end of front rotary shaft 184, fill with grease with locking lubricating cup 196 location and to the rotary part of front rotary shaft 184, jam nut 187 is locked after length is adjusted to ratchet 174 and preceding pivoted arm 39 tram of requirement by adjusting being connected of push rod cup 178 and push rod 180 at last, this structure is all unified the operation of parking brake service brake to stir finger by dial sleeve, driving front rotary shaft 184 by finger again rotates by the direction of brake requirement, realize parking brake service brake lock out operation, by shared front rotary shaft, unified drag effect; The enforcement of foot-operated double rear wheel drive mechanism as depicted in figs. 1 and 2, load onto Middle shaft assembly 29 in the bottom bracket axle 219 on keel body 26 earlier, left end dress at axis turns left 42, fixing with taper pin group 28, foot-operated position is installed on 42 left threading 43 is installed turning left, load onto with hinge wheel 41 weldering at the right-hand member of axis and to turn right 36 for one, foot-operated position is installed on 36 right threading 35 is installed turning right, by chain 49 hinge wheel 41 and flywheel 114 are connected into chain drive system, the terminal flywheel 114 of system is connected as a single entity with the differential box 120 of free wheel base 88 and the differential back axle of semiaxis, drive left and right sides semiaxis simultaneously by the semiaxis difference structure, load onto left rear wheel 61 and off hind wheel 74 on the semiaxis of the left and right sides respectively, this structure has realized that foot-operated double rear wheel drives; Enforcement such as Fig. 1 of double rear wheel simultaneous equation brake structure, Fig. 2 and shown in Figure 3, with bolt shaft 27 communtation arm 40 is installed on the keel body 26 earlier, by digonal link 34 and intermediate rod 44 preceding pivoted arm 39, pivoted arm 140 connects into the bracket arm system behind communtation arm 40 and the pull bar, the rotating shaft 52 of brake back is packed in the upper hole of two back plates 56, below the middle part of rotating shaft after the brake 52 with pull bar after the upper end of pivoted arm 140 weld on request, in back axle left and right sides brake hubs 96,83 relative position welds two brake pivoted arms 139 in rotating shaft after the brake 52 on request, about the brake steel band 57, an end of 108 is welded earlier to brake and adjusts spiral shell axle 53, then left and right sides brake rubber block 58,109 be riveted on aluminium matter rivet 148 respectively about the brake steel band 57, on 108, with the pulling end of the left and right sides steel band of the good brake rubber block of riveting with set screws 141,142 and parallels 143 be installed in the brake pivoted arm 139 on, about the brake that is welded on the other end of brake steel band adjust the spiral shell axle, order by nut 55 → bullet pad 147 → supporting sleeve 146 → bullet pad 145 → nut 54 is installed on two supporting sleeves 146, one end of tension spring 144 is hung in the hole of pivoted arm bottom behind the pull bar, the other end hangs in the hole of spring hanging seat 137, the brake rubber block return is unclamped, adjust spiral shell axle 53 and two cover nuts 54 by two at last, 55, two cover bullet pads 145, structure is adjusted in brake about 147 compositions, about the braking force of brake adjust consistent, thereby realize the double rear wheel synchronous brake; The enforcement of seat cushion supporting structure as shown in Figure 1, overlapping bolt group 25 and two cover bolt groups 32 and two auxilliary poles 31 with one earlier is installed in seat cushion pole 22 on the left and right sides Connection Block 215,214 of sole 18, behind the correction position lower end of seat cushion pole 22 is welded on keel body 26, pipe clamp card 23 and seat cushion 10 are loaded onto in the upper end of present advance expenditure bar 22, are present seat cushion 10 clampings on the advance expenditure bar 22 with bolt group 24 in the positioning back; The enforcement of adjustable back structure, as shown in Figure 1, by two cover bolt groups 32 lower end of back bracket 11 is installed in the left and right sides Connection Block 215 of sole 18 earlier, on 214, with two cover bolt groups 221 middle part of back bracket 11 is fixed on the top of compartment front side plate again, with 4 cover set screws 13 backrest 12 is fixed on the backrest adjustment rack 14, again the bipod of backrest adjustment rack 14 is installed in respectively in the hole on back bracket 11 tops, be locked with two T-shaped fastening screws 222 after adjusting height, with two bearing pins 17 and two springs 16 but swivel base chair 15 is installed in the swivel chair supporting of back bracket 11 at last, all the other handlebars all are the outsourcing standardized componenies with the front and back wheel that installs the spoke bar.The enforcement of general assembly, as depicted in figs. 1 and 2, order by step pad 161 → thrust ball bearing 162 → nylined bearing cover 156 → fork handle cover 218 → nylined bearing cover 157 → accent crack nut 217 → jam nut 6 is installed in shock-absorbing front fork in the fork handle cover 218 of keel body 26 earlier, then preceding shaft clevis 47 on the sole 18 and back clevis 48 are stuck on the mounting hole site of keel body 26 afterbodys, with bolt group 45,46 clampings are firm, again the compartment is installed on the sole 18, then keel body 26 counter putting, make the right jaw 168 of turning left of shock-absorbing front fork, 144 and sole 18 on left and right sides guide groove 128,101 upwards, at the spring seat of honour, the left and right sides 71, left and right sides spring 98 is installed on 69,81, again left and right sides guide groove is put on the last plane of the differential back axle of semiaxis downwards, make its left and right sides spring lower seat 99,82 protuberance skewer is gone into left and right sides spring 98, in 81 the endoporus, use the spacing spiral shell axle 60 in the left and right sides then, 104 the differential back of semiaxis pontics are installed on the interior left and right sides spring of left and right sides guide groove, bridge construction after the differential damping of formation semiaxis, order in the termination of left half axle 136 by revolver core retainer plate 132 → plain cushion 133 → fluted nut 134 → spring cotter 135 is installed in left rear wheel 61 on the left half axle 136, order in the termination of right axle shaft 80 by right wheel core housing 75 → plain cushion 76 → fluted nut 77 → spring cotter 78 is installed in off hind wheel 74 on the right axle shaft 80, before front vehicle wheel is implemented earlier at the bottom of protecting mud plate 2 and being installed in the fork of shock-absorbing front fork by bolt group 37 by mud plate pin 38, about installing by set screws 64 on the backplate 63 of back, protect earth rubber skin 65,79, then as shown in Figure 9, order by ball-bearing casing 202 → preceding wheel core housing 203 → ball-bearing casing 205 is installed in front wheel spindle 204 on the preceding wheel core housing 203, cushion cover 201 is respectively loaded onto at two ends, the left and right sides at front wheel spindle 204,206 backs are put into the two ends, the left and right sides of front wheel spindle 204 respectively the mounting groove of the right jaw that can turn left, load onto bullet pad 207 and nut 208 at the left end of front wheel spindle 204 then, load onto bullet pad 200 and nut 199 at the right-hand member of front wheel spindle 204, when adorning, portion shared pivot structure of parking brake service brake and the foot-operated structure of axis have been installed on the keel body 26, with chain 49 hinge wheel 41 on foot-operated the turning right and the flywheel 114 on the differential back axle of semiaxis are connected into chain drive system, the terminal flywheel 114 of system is connected as a single entity with the differential box 120 of free wheel base 88 and the differential back axle of semiaxis, drive left and right sides semiaxis 136 simultaneously by the differential back axle of semiaxis, 80 and left and right sides rear wheel 61,74, thereby realized foot-operated double rear wheel transmission, again by digonal link 34, communtation arm 40, with intermediate rod 44 preceding pivoted arm 39 and pull bar after pivoted arm 140 connect into the bracket arm system, adjust spiral shell axle 53 and two cover nuts 54 by two again, 55, bullet pad 145,147 form about brake adjust structure about the braking force of brake adjust consistent, thereby realize the double rear wheel synchronous brake, again car load is turned over, allow wheel contact to earth, by inner conical drogue 163, bullet pad 164 and nut 165 are installed in handlebar 8 on the end conehead of preceding fork handle 7, again seat cushion 10 usefulness pipe clamp cards 23 and bolt group 24 are installed in the top pore of seat cushion pole 22, with two cover bolt groups 32 bottom of back bracket 11 is installed in the left and right sides Connection Block 215 of sole 18 again, on 214, with two cover bolt groups 221 middle part of back bracket 11 is fixed on the top of compartment front side plate again, the bipod of backrest adjustment rack 14 is installed in respectively in the hole on back bracket 11 tops, the positioning back is locked with two T-shaped lock screws 222, protecting the earth rubber skin to about two with 4 cover set screws 64 is installed in the protruding back bottom of the left and right wheels in compartment, unclamp bolt group 45 at last, 46 and jam nut 50, with screwing jam nut 50 and bolt group 45 after the adjustable bolt 51 readjustment chain degree of tightness appropriateness, 46, unclamp two groups of nuts 54, screw two groups of nuts 54 after the 55 readjustment left and right sides brake control power unanimities, 55.

When novel three-wheeled bicycle uses, load onto goods in the compartment, the people sits seat cushion, pin is stepped on foot-operated, holds handlebar, unclamps parking brake with left hand, the foot-operated cargo transport of travelling, when meeting descending or obstacle under steam with right crus of diaphragm brake deceleration or parking, but meet extraordinary circumstances also trick brake simultaneously, arrive the destination after, the unloading of getting off after with parking brake car being come to a complete stop, with the hands press dead bolt 211 to open the carriage back door unloading on the forefinger during unloading, close carriage back door after goods is unsnatched, close the automatic locking in back door when putting in place.

Claims (6)

1. novel three-wheeled bicycle, by handlebar, shock-absorbing front fork, the keel body, sole and chain degree of tightness are adjusted structure, railway carriage mixing muscle additional strengthening, carriage back door is closed automatic locking structure, bridge construction after the differential damping of semiaxis, foot-operated double rear wheel drive configuration, the shared pivot structure of parking brake service brake, double rear wheel simultaneous equation brake structure, the seat cushion supporting structure, adjustable back structure and front and back wheel are formed, it is characterized in that: the interior dress of the fork blade of shock-absorbing front fork (160) can the turn right jaw (149) and the jaw (168) that can turn left, all right one way or the other commentaries on classics jaw is connected with synchronous fork (4), shock-absorbing front fork and preceding fork handle (7) are installed on the fork handle cover (218) of keel body (26), go up installation handlebar (8) at preceding fork handle (7), go up suit gum cover (9) at handlebar (8), go up at can the turn right jaw (149) and the jaw (168) that can turn left front vehicle wheel (1) is installed; Keel body (26) is at the leading section fork handle cover (218) that is welded, rotating shaft cover (192) is welded in the position of the shared rotating shaft of parking brake service brake, at the middle part foot position bottom bracket axle (219) that is welded, the rear portion is connected with sole (18) by preceding shaft clevis (47) and the back clevis (48) that sole (18) bottom is welded; Back axle front side plate (138) is welded the back pontic with back axle rear quarter panel (125) and bearing seat (86) (94) (103) (129), following (99) of left spring and right spring lower seat (82) two ends on plane on the pontic of back that are welded respectively, left half axle (136) is installed on the pontic left side, back, right-hand member at the back pontic is installed right axle shaft (80), go up installation off hind wheel (74) and flywheel (114) at right axle shaft (80), go up installation left rear wheel (61) at left half axle (136), by being welded at the left spring seat of honour (71) and the right spring seat of honour (69) of sole (18) bottom, left side guide groove (128) and right guide groove (101), left spring (98) and right spring (81), left limit spiral shell axle (60) and right limit spiral shell axle (104), the differential back axle of semiaxis is installed on the sole (18), and brake handle (20) and service brake pedal (21) are installed on the rotating shaft cover (192) on the keel body (26);

Go up the installation compartment at sole (18), the compartment is by cabin floor (70), compartment left side board (19), compartment right side board (72) and carriage back door (67) are formed, carriage back door is installed on right back door pillar (66) and the left back door pillar (68) by bumping axle (209), but swivel base chair (15) is installed in the front in the compartment, seat cushion (10) props up branch (22) by seat cushion and supports, bottom bracket axle (219) on keel body (26) is gone up turn left (42) is installed, turn right (36) and hinge wheel (41), go up suit chain (49) at hinge wheel (41) and flywheel (114), go up installation left threading (43) in turn left (42), go up in turn right (36) right threading (35) is installed.

2. novel three-wheeled bicycle according to claim 1, it is characterized in that: carriage back door is closed automatic locking structure, by bumping axle (209), bumping cover (210), dead bolt (211) and bearing pin (212) and form, two spindle noses that bump spool (209) insert bumping in the axle mounting hole of left back door pillar (68) and right back door pillar (66); Lock tongue slot when the end of meeting and discussing welds vertically upward, by bearing pin (212) dead bolt (211) is installed in the lock tongue slot that bumps shaft head, goes up to install at carriage back door (67) and bumps cover (210).

3. novel three-wheeled bicycle according to claim 1, it is characterized in that: bridge construction after the differential damping of semiaxis, spring hanging seat (137) is welded at back axle front side plate (138) middle part, about each welding of brake dice position adorn a back plate (56), supporting sleeve (146) is welded in the bottom of two back plates (56), free wheel base (88) is welded into one with differential box (120), and flywheel (114) is contained on the free wheel base (88), go up installation clamping plate (130) (126) at left half axle (136), left half axle between two clamping plate (136) is gone up ball-bearing casing (127) is installed, go up installation flat key (97) at left half axle (136), left side brake hubs (96), ball-bearing casing (123), ball-bearing casing is contained in the bearing seat (94), clamping plate (93) (95) are equipped with on both sides, and left locating bush (92) is fixed on the left half axle (136) by lock screw (122), go up installation left button piece (91) and left bevel gear (121) at left half axle (136), left bevel gear (121) is positioned on the left hole of differential box (120), by two cover bolt groups (102) and two cover bolt groups (105) ball-bearing casing (127) (123) is pressed from both sides circle respectively on bearing seat (129) (94), go up installation lock screw (122) (124) at left locating bush (92) and left brake hubs (96);

Right-hand member at the back pontic is installed right axle shaft (80), go up installation clamping plate (100) at right axle shaft (80), ball-bearing casing (107), clamping plate (106), flat key (84), right brake hubs (83), clamping plate (85), ball-bearing casing (111), clamping plate (112), right locating bush (87), right button piece (89) and right bevel gear (115), right bevel gear (115) is positioned on the right hole of differential box (120), by two cover bolt groups (102) and two cover bolt groups (105) ball-bearing casing (107) (111) is distinguished clamping on bearing seat (103) (86), go up installation lock screw (113) (110) at right locating bush (87) and right brake hubs (83), by little axle (117) planetary bevel gear (90) (119) is packed in the differential box (120) and with left bevel gear (121) and right bevel gear (115) engagement, stretch out the termination of differential box (120) little (117) and load onto packing ring (116) and spring cotter (118).

4. novel three-wheeled bicycle according to claim 1, it is characterized in that: the shared pivot structure of parking brake service brake, service brake pedal (21) and service brake dial sleeve (193) are welded into one, brake handle (20), handle frame (179) and parking brake dial sleeve (185) are welded into one, bearing pin (181) and pressure connecting plate (189) are welded into one, ratchet (174) is by pillow block screw (173), bullet pad (197) and nut (198) are installed on the handle frame (179), bearing pin (181) inserts in the hole of ratchet (174) afterbody and push rod (180) head, be connected and fixed with set screws (188) (190), spring (186) is sleeved on screw thread one end of push rod cup (178) and inserts in the brake handle (20), push rod cup (178) is installed in push rod (180) and goes up and lock with jam nut (187), positioning plate (175) and fan type ratchet (177) are installed on the keel body (26) by positioning pad (191) and set screws (182) (176), front rotary shaft (184) is packed in the rotating shaft cover (192) on the keel body (26), right-hand member at front rotary shaft (184) is installed service brake dial sleeve (193) and service brake finger (194), locate with holding screw (195), left end at front rotary shaft (184) is installed parking brake dial sleeve (185) and parking brake finger (183), with locking lubricating cup (196) location.

5. novel three-wheeled bicycle according to claim 1, it is characterized in that: the double rear wheel drive configuration, chain (49) is connected with flywheel (114) with hinge wheel (41), by set screws (33) chain guard (30) is installed on chain (49), flywheel (114) is connected with off hind wheel (74) with left rear wheel (61) respectively with right axle shaft (80) by free wheel base (88), differential box (120), little axle (117), planetary bevel gear (90) (119), left bevel gear (121), right bevel gear (115), left button piece (91), right button piece (89), left half axle (136).

6. novel three-wheeled bicycle according to claim 1, it is characterized in that: double rear wheel simultaneous equation brake structure, preceding pivoted arm (39) is installed on the front rotary shaft (184), go up installation digonal link (34) at preceding pivoted arm (39), digonal link (34) is connected with communtation arm (40), intermediate rod (44) is connected to behind communtation arm (40) and the pull bar on the pivoted arm (140), be connected with right brake steel band (108) with left side brake steel band (57) with two brake pivoted arms (139) by brake back rotating shaft (52) again, go up the welding brake at left and right sides steel band (57) (108) and adjust spiral shell axle (53), adjusting spiral shell axle (53) upward with two cover nuts (54) (55) and two cover bullet pad (145) (147) and two supporting sleeves (146) mounting support plates (56), left side brake rubber block (58) and right brake rubber block (109) are riveted on respectively on left side brake steel band (57) and the right brake steel band (108), place on left brake hubs (96) and the right brake hubs (83), the left brake hubs (96) and the right side hub (83) of stopping is installed on left half axle (136) and the right axle shaft (80) by flat key (97) (84).

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