CN216301375U - Running type bicycle - Google Patents

Abstract

The utility model discloses a running type bicycle, which comprises a frame, wherein a bicycle head assembly and a running mechanism are arranged on the frame, and a rear wheel is arranged on the running mechanism; the running mechanism comprises a side plate provided with a front roller and a rear roller, and running belts are arranged on the front roller and the rear roller; the front roller comprises a front roller shaft arranged on the side plate, and a front roller tube is sleeved on the front roller shaft; the rear roller comprises a rear roller shaft which is rotatably arranged on the side plate, a rear roller pipe is fixedly sleeved on the rear roller shaft, and the front roller pipe can drive the running belt to drive the rear roller to rotate when rotating; the two ends of the rear roller shaft are fixedly provided with a front cylindrical gear; the tail end of the side plate is rotatably connected with a transmission shaft, two ends of the transmission shaft are fixedly provided with a rear cylindrical gear, and the rear cylindrical gear is meshed with the front cylindrical gear so that the rear roller can drive the transmission shaft to rotate; the transmission shaft is provided with a front chain wheel which is connected with the rear wheel through a chain so as to drive the rear wheel to rotate. Can exercise the whole body and can effectively avoid the joint damage.

Description

Running type bicycle

Technical Field

The utility model belongs to the field of fitness equipment, and particularly relates to a running type bicycle.

Background

The bicycle is not only a green and environment-friendly travel tool, but also fitness equipment which is deeply loved by people. The traditional bicycle has great limitation when being ridden for exercise, only can exercise certain parts of the body, and can not exercise the whole body, so the body-building effect is not good. As a tool for riding instead of walk, a bicycle is ridden for a long time to cause certain sports injury to knee joints, spines, legs, buttocks and the like of a human body. Therefore, the existing bicycle has many defects as a fitness device or a travel tool.

Disclosure of Invention

The utility model aims to provide a running type bicycle which not only can be used for exercising the whole body, but also can effectively avoid damaging human joints.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a running type bicycle comprises a frame, wherein a bicycle head assembly of the bicycle is fixedly installed at the front end of the frame, a running mechanism is fixedly installed at the rear end of the frame, and a group of rear wheels are installed at the rear end of the running mechanism;

the running mechanism comprises a group of side plates, a plurality of front rollers and rear rollers are sequentially arranged on the inner sides of the side plates from front to back, and running belts are arranged on the front rollers and the rear rollers;

the front roller comprises a front roller shaft fixedly arranged on the side plate, and a front roller tube is rotatably sleeved on the front roller shaft; the rear roller comprises a rear roller shaft which is rotationally connected to the side plate, a rear roller pipe is fixedly sleeved on the rear roller shaft, and the front roller pipe can drive the running belt to drive the rear roller to rotate when rotating;

two ends of the rear roller shaft extend out of the outer sides of the side plates and are fixedly provided with front cylindrical gears; the tail end of the side plate is rotatably connected with a transmission shaft, two ends of the transmission shaft extend out of the outer side of the side plate and are fixedly provided with a rear cylindrical gear, and the rear cylindrical gear is meshed with the front cylindrical gear so that the transmission shaft can be driven to rotate when the rear roller rotates;

the transmission shaft is characterized in that front chain wheels are fixedly mounted at two ends of the transmission shaft respectively, chains are connected to the front chain wheels, and the front chain wheels are connected with the rear wheels through the chains to drive the rear wheels to rotate.

Furthermore, the rear wheel comprises a rear hub mandrel, two ends of the rear hub mandrel are respectively and rotatably connected with a rear hub, a rear chain wheel is fixedly connected in a groove of the rear hub, and the rear chain wheel is connected with the front chain wheel through a chain;

the rear hub is provided with a rear rim through a rear wheel spoke, and the rear rim is provided with a rear tire.

Furthermore, a rear fork is fixedly installed at the rear end of the side plate, the rear fork comprises an upper rear fork tube and a lower rear fork tube, the upper rear fork tube and the lower rear fork tube are respectively and fixedly installed at the upper side and the lower side of the side plate, and a rear fork claw is fixedly installed at the intersection of the tail ends of the upper rear fork tube and the lower rear fork tube;

and the rear hub mandrel is fixedly arranged on the rear fork claw.

Furthermore, the vehicle head assembly comprises a front vehicle fork vertical pipe, the front vehicle fork vertical pipe is fixedly connected with the vehicle frame, a vehicle wheel shaft is rotatably sleeved in the front vehicle fork vertical pipe, a handlebar transverse pipe is fixedly mounted at the upper end of the vehicle wheel shaft, and vehicle handles are respectively mounted at the left end and the right end of the handlebar transverse pipe;

two front fork side tubes are fixedly mounted at the lower end of the wheel shaft, front fork claws are fixedly mounted at the bottom ends of the front fork side tubes, and front wheels are mounted on the front fork claws.

Furthermore, the front wheel comprises a front hub mandrel arranged on the front fork claw, a front hub is rotatably arranged on the front hub mandrel, a front rim is arranged on the front hub through a front wheel spoke, and a front tire is arranged on the front rim.

Furthermore, the upper end and the lower end of the front fork vertical pipe are respectively connected with the wheel shaft in a rotating way through an upper bowl group and a lower bowl group;

the upper bowl group comprises a second ball bearing arranged on the wheel shaft, and the outer side of the upper end of the second ball bearing is connected with an upper bearing end cover;

the lower bowl group comprises a first ball bearing arranged on a wheel shaft, and the outer side of the lower end of the first ball bearing is connected with a lower bearing end cover.

Furthermore, a baffle is fixedly arranged on the outer side of the front end of the side plate, a front plug is fixedly arranged at the front end of the baffle, and a front side plate is fixedly arranged on the front plug;

and a rear plug is fixedly mounted at the tail end of the side plate, and a rear side plate is fixedly mounted on the rear plug.

Furthermore, a rear disc brake flange is connected to the rear hub, and a rear disc brake disc is connected to the rear disc brake flange.

Further, a front disc brake flange is fixedly mounted on the front hub, and a front disc brake disc is fixedly mounted on the front disc brake flange.

Furthermore, the rear roller shaft and the transmission shaft are respectively installed on the side plate through a third rolling bearing and a fourth rolling bearing;

and a first sleeve and a second sleeve for positioning a third rolling bearing and a fourth rolling bearing are respectively arranged on the rear roller shaft and the transmission shaft.

The utility model has the following beneficial effects:

the bicycle and the running mechanism are combined, a human body drives the front roller to rotate when walking or running on the running belt, so that the running belt drives the rear roller under the action of friction force, the rear roller drives the transmission shaft to rotate when rotating because the front cylindrical gear arranged on the rear roller is meshed with the rear cylindrical gear arranged on the transmission shaft, and the front chain wheel arranged on the transmission shaft is connected with the rear wheel through the chain, so that the transmission shaft rotates to drive the rear wheel to rotate, and the bicycle moves forwards. This running formula bicycle bed hedgehopping is fixed the back and can be used to indoor fixed taking exercise, also can carry out outdoor taking exercise as the instrument of riding instead of walk, has changed traditional bicycle moreover and has carried out rotary motion or both hands and carry out reciprocating motion and come the driven walking mode, can temper each partial coordination ability of health, avoids long-term bicycle of riding to produce the motion damage such as human knee joint, backbone, shank buttock.

The rear hub mandrel of the rear wheel is respectively rotatably connected with the rear hub at two ends, a rear chain wheel is fixedly connected in a groove of the rear hub, and the rear chain wheel is connected with the front chain wheel through a chain, so that the transmission shaft drives the rear chain wheel to rotate through the chain when rotating, and the rear wheel is driven to rotate.

The rear fork is arranged at the tail end of a side plate of the running mechanism, a rear fork claw is fixedly arranged at the intersection of the tail ends of the upper rear fork tube and the lower rear fork tube, and a rear hub mandrel of a rear wheel is fixedly arranged on the rear fork claw, so that the rear wheel can conveniently steer.

The bicycle head assembly is connected with a bicycle frame through a front fork vertical pipe, a wheel shaft is rotatably connected in the front fork vertical pipe, a front wheel is mounted at the lower end of the wheel shaft through a front fork side pipe, a handlebar transverse pipe is fixedly mounted at the upper end of the wheel shaft, and bicycle handles are respectively mounted at the left end and the right end of the handlebar transverse pipe. When in sports, the handle is held by hands, and the advancing direction of the head of the bicycle can be controlled by using both hands.

The upper end and the lower end of the front fork vertical pipe are respectively in rotary connection with the wheel shaft through the upper bowl group and the lower bowl group, so that the wheel shaft can rotate more flexibly in the front fork vertical pipe, and abrasion caused by friction between the wheel shaft and the front fork vertical pipe is avoided; set up lower bearing cap and upper end cap respectively in first ball bearing and second ball bearing outside, can prevent that foreign matters such as dust from falling into inside the ball bearing, can reduce wear, extension locomotive subassembly's life-span.

Through setting up preceding curb plate and posterior lateral plate, can strengthen the connectivity between two blocks of curb plates about, ensure that running mechanism is more steady in the use.

Through install back dish flange and the preceding dish of stopping respectively on back flower-drum and preceding flower-drum and stop the flange to set up back dish and preceding dish respectively on back dish flange and the preceding dish of stopping and stop the dish, make the motion process kind can the reasonable control speed of a motor vehicle, avoid the speed of a motor vehicle to arouse the incident too fast.

The rear roller shaft and the transmission shaft are respectively installed on the side plates through a third rolling bearing and a fourth rolling bearing, and a first sleeve and a second sleeve which are used for positioning the third rolling bearing and the fourth rolling bearing are respectively installed on the rear roller shaft and the transmission shaft, so that the third rolling bearing and the fourth rolling bearing are prevented from sliding outwards when rotating, and the meshing precision of the front cylindrical gear and the rear cylindrical gear is ensured.

Drawings

FIG. 1: the utility model is a schematic three-dimensional structure;

FIG. 2: the utility model discloses a schematic three-dimensional structure of a front wheel;

FIG. 3: the utility model is a schematic three-dimensional structure of an upper bowl group;

FIG. 4: the utility model is a schematic three-dimensional structure of a lower bowl group;

FIG. 5: the utility model discloses a three-dimensional structure schematic diagram of a vehicle frame;

FIG. 6: the running mechanism of the utility model is provided with a three-dimensional structure schematic diagram of a running belt;

FIG. 7: the running mechanism of the utility model has no three-dimensional structure schematic diagram of the running belt;

FIG. 8: the utility model discloses a schematic three-dimensional structure of a front roller;

FIG. 9: the utility model discloses a three-dimensional structure schematic diagram of a rear roller with parts;

FIG. 10: the utility model discloses a schematic three-dimensional structure of a transmission shaft with parts;

FIG. 11: the structure of the rear fork is shown schematically;

FIG. 12: the utility model discloses a left-view three-dimensional structure schematic diagram of a rear wheel;

FIG. 13: the utility model discloses a right-view three-dimensional structure schematic diagram of a rear wheel;

in the figure: 1. a front wheel; 2. a front fork claw; 3. a front fork side tube; 4. a lower bowl group; 5. a front fork riser; 6. an upper bowl group; 7. a wheel shaft; 8. a handlebar cross tube; 9. a frame; 10. a running mechanism; 11. a rear fork; 12. a rear wheel; 101. a front wheel spoke; 102. a first rolling bearing; 103. a front rim; 104. a front tire; 105. a front disc brake disc; 106. a front disc brake flange; 107. a front hub; 108. a front hub spindle; 401. a first ball bearing; 402. a lower bearing end cap; 601. a second ball bearing; 602. an upper bearing end cover; 901. a cross beam; 902. an oblique beam; 1001. a front side plate; 1002. a front plug; 1003. a baffle plate; 1004. running belt, 1005, side plate; 1006. a front cylindrical gear; 1007. a drive shaft; 1008. a rear cylindrical gear; 1009. a rear plug; 1010. a rear side plate; 1011. a front sprocket; 1012. a front drum; 1013. a rear drum; 1014. a forward-rolling bobbin; 1015. a second rolling bearing; 1016. a front drum shaft; 1017. a rear roller tube; 1018. a rear drum shaft; 1019. a third rolling bearing; 1020. a first sleeve; 1021. a first stop washer; 1022. a first round nut; 1023. a fourth rolling bearing; 1024. a second sleeve; 1025. a second round nut; 1101. an upper rear fork tube; 1102. a lower rear fork tube; 1103. a rear fork claw; 1201. a rear disc brake disc; 1202. a rear tire; 1203. a rear rim; 1204. a rear hub spindle; 1205. is a rear wheel spoke; 1206. A fourth rolling bearing; 1207. a rear disc brake flange; 1208. a rear hub; 1209. a fifth rolling bearing; 1210. a rear sprocket.

Detailed Description

The following examples are given to illustrate the present invention in further detail, but are not intended to limit the scope of the present invention.

As shown in fig. 1, 3 and 4, the running bicycle comprises a frame 9, the frame 9 is composed of a cross beam 901 and an oblique beam 902, a front fork vertical tube 5 is fixedly installed at the front end of the cross beam 901, a wheel axle 7 is rotatably connected in the front fork vertical tube 5, the upper end and the lower end of the front fork vertical tube 5 are respectively rotatably connected with the wheel axle 7 through an upper bowl group 6 and a lower bowl group 4, the upper bowl group 6 comprises a ball bearing 601, the ball bearing 601 is installed on an upper boss of the wheel axle 7, an upper bearing end cover 602 is connected to the outer side of the upper end of the ball bearing 601, the lower bowl group 4 comprises a ball bearing 401, the ball bearing 401 is installed on a lower boss of the wheel axle 7, a lower bearing end cover 402 is connected to the outer side of the lower end of the ball bearing 401, and the ball bearing 601 and the ball bearing 401 are respectively sealed by the upper bearing end cover 602 and the lower bearing end cover 402, so as to prevent dust and other impurities from falling into the ball bearing;

a handlebar transverse tube 8 is welded at the upper end of the wheel shaft 7, and handlebars are respectively fixedly mounted at the left end and the right end of the handlebar transverse tube 8; two front fork side tubes 3 are welded at the lower end of the wheel shaft 7, front fork claws 2 are welded on the front fork side tubes 3, and front wheels 1 are installed in the two front fork claws 2.

As shown in fig. 1 and 2, the front wheel 1 includes a front hub spindle 108 mounted on the front fork 2, a front hub 107 is mounted on the front hub spindle 108 through a first rolling bearing 102, a front rim 103 is mounted on the front hub 107 through a front spoke 101, and a front tire 104 is mounted on the front rim 103; a front disc brake flange 106 is fixedly arranged on the front hub 107, and a front disc brake disc 105 is fixedly arranged on the front disc brake flange 106.

As shown in fig. 1, 5-10, an oblique beam 902 is fixedly mounted at the rear end of the cross beam 901, the oblique beam 902 is in an inverted "U" shape, a running mechanism 10 is mounted at the lower end of the oblique beam 902, the running mechanism 10 includes a left baffle plate 1003 and a right baffle plate 1003, a front plug 1002 is welded at the front end of each baffle plate 1003, and a front side plate 1001 is mounted on each front plug 1002 through a bolt;

a side plate 1005 parallel to the baffle 1003 is mounted on the inner side of the baffle 1003 through a bolt, a rear plug 1009 is welded at the rear end of the side plate 1005, and the rear side plate 1010 is connected with the rear plug 1009 through a bolt; sixteen front rollers 1012 and one rear roller 1013 are sequentially installed inside the side plates 1005 from front to rear, and the front rollers 1012 and the rear roller 1013 are provided with running belts 1004;

the front roller 1012 comprises a front roller shaft 1016, and the front roller shaft 1016 is provided with the front roller pipe 1014 through a second rolling bearing 1015; the rear roller 1013 comprises a rear roller shaft 1018, the rear roller shaft 1018 is fixedly sleeved with a rear roller tube 1017, the rear roller shaft 1018 is mounted on the side plate 1005 through a third rolling bearing 1019, the third rolling bearing 1019 is sleeved with a first sleeve 1020 and is positioned through the first sleeve 1020, two ends of the rear roller shaft 1018 extend out of the side plate 1005 and are respectively provided with a front cylindrical gear 1006, the front cylindrical gear 1006 is fixed on the rear roller shaft 1018 through a first stop washer 1021 and a first round nut 1022, and a person standing on the running belt 1004 drives the front roller tube 1014 to rotate when walking or running, so that the running belt 1004 drives the rear roller 1013 to rotate.

Install transmission shaft 1007 through fourth antifriction bearing 1023 on the curb plate 1005, the second sleeve 1024 has been cup jointed on the fourth antifriction bearing 1023, fix a position through second sleeve 1024, the curb plate 1005 outside is stretched out and fixed mounting has back cylindrical gear 1008 at transmission shaft 1007 both ends, back cylindrical gear 1008 is fixed on transmission shaft 1007 through second check washer 1026 and second round nut 1025, sprocket 1011 before transmission shaft 1007 both ends fixed mounting, preceding sprocket 1011 sets up in the back cylindrical gear 1008 outside, and fix on transmission shaft 1007 through the second round nut 1025 in the outside, back cylindrical gear 1008 meshes with preceding cylindrical gear 1006, can drive transmission shaft 1007 and rotate when making back cylinder 1013 rotate.

As shown in fig. 1, 11-13, a rear fork 11 is fixedly mounted at the rear end of the side plate 1005, the rear fork 11 includes an upper rear fork 1101 and a lower rear fork 1102, the upper rear fork 1101 and the lower rear fork 1102 are respectively fixedly mounted at the upper and lower sides of the side plate 1005, and a rear fork claw 1103 is fixedly mounted at the intersection of the rear ends of the upper rear fork 1101 and the lower rear fork 1102;

the rear wheel 12 comprises a rear hub mandrel 1204, the rear hub mandrel 1204 is fixedly installed on two rear fork claws 1103, two ends of the rear hub mandrel 1204 are respectively and rotatably connected with a rear hub 1208 through a third rolling bearing 1206 and a fourth rolling bearing 1209, a rear rim 1203 is installed on the rear hub 1208 through a rear wheel spoke 1205, and a rear tire 1202 is installed on the rear rim 1203; a rear chain wheel 1210 is fixedly arranged in the groove of the rear hub 1208 through a convex key, and the rear chain wheel 1210 is connected with the front chain wheel 1011 through a chain;

the rear hub 1208 is connected with a rear disc brake flange 1207 through threads, the rear disc brake flange 1207 is connected with a rear disc brake disc 1201 through screws,

when the transmission shaft 1007 rotates, the front chain wheel 1011 rotates, and the front chain wheel 1011 drives the rear chain wheel 1210 to rotate through a chain, so that the rear wheel 12 is driven to rotate.

The bicycle head component of the utility model is connected with a running mechanism 10 through a frame 9, a rear wheel 12 is connected with the running mechanism 10 through a rear fork 11, a person stands on the running mechanism 10 to exercise, the running mechanism 10 drives the rear wheel 12 to rotate, and then simply drives the front wheel 1 to rotate, thereby realizing the forward movement of the running type bicycle.

The working principle of the utility model is as follows:

when a user stands on the running mechanism 10 to walk or run, the front roller 1012 below the running belt 1004 rolls, the running belt 1004 further drives the rear roller 1013 to rotate, the cylindrical gear 1006 mounted on the rear roller shaft 1018 of the rear roller 1013 rotates, the cylindrical gear 1006 drives the rear cylindrical gear 1008 mounted on the transmission shaft 1007 to rotate so that the transmission shaft 1007 rotates, the transmission shaft 1007 drives the front chain wheel 1011 to rotate, the front chain wheel 1011 drives the rear chain wheel 1210 to rotate through a chain, so that the rear wheel 12 rotates around the rear hub spindle 1204, and the rear wheel 12 drives the whole running bicycle forwards when going forwards, so that the front wheel 1 rolls around the front hub spindle 108; since the front wheel 1 and the wheel shaft 7 are fixed by welding, a user controls the wheel shaft 7 to rotate around the front fork vertical tube 5 through a handlebar arranged on the handlebar transverse tube 8, so as to drive the front wheel 1 to turn, and then the advancing direction of the whole mechanism is changed.

Claims (10)

1. A running type bicycle is characterized by comprising a frame (9), wherein a bicycle head assembly of the bicycle is fixedly installed at the front end of the frame (9), a running mechanism (10) is fixedly installed at the rear end of the frame (9), and a group of rear wheels (12) is installed at the rear end of the running mechanism (10);

the running mechanism (10) comprises a group of side plates (1005), a plurality of front rollers (1012) and rear rollers (1013) are sequentially arranged on the inner sides of the side plates (1005) from front to back, and running belts (1004) are arranged on the front rollers (1012) and the rear rollers (1013);

the front roller (1012) comprises a front roller shaft (1016) fixedly mounted on the side plate (1005), and a front roller tube (1014) is rotatably sleeved on the front roller shaft (1016); the rear roller (1013) comprises a rear roller shaft (1018), the rear roller shaft (1018) is rotatably connected to the side plate (1005), a rear roller pipe (1017) is fixedly sleeved on the rear roller shaft (1018), and the front roller pipe (1014) can drive the running belt (1004) to drive the rear roller (1013) to rotate when rotating;

two ends of the rear roller shaft (1018) extend out of the outer side of the side plate (1005) and are fixedly provided with a front cylindrical gear (1006); the tail end of the side plate (1005) is rotatably connected with a transmission shaft (1007), two ends of the transmission shaft (1007) extend out of the outer side of the side plate (1005) and are fixedly provided with a rear cylindrical gear (1008), and the rear cylindrical gear (1008) is meshed with the front cylindrical gear (1006) so that the transmission shaft (1007) can be driven to rotate when the rear roller (1013) rotates;

the front wheel chain transmission device is characterized in that front chain wheels (1011) are fixedly mounted at two ends of the transmission shaft (1007) respectively, chains are connected to the front chain wheels (1011), and the front chain wheels (1011) are connected with the rear wheels (12) through the chains to drive the rear wheels (12) to rotate.

2. The running bicycle of claim 1, wherein the rear wheel (12) comprises a rear hub spindle (1204), the rear hub spindle (1204) is rotatably connected with a rear hub (1208) at two ends respectively, a rear chain wheel (1210) is fixedly connected in a groove of the rear hub (1208), and the rear chain wheel (1210) is connected with a front chain wheel (1011) through a chain;

the rear hub (1208) is provided with a rear rim (1203) through a rear wheel spoke (1205), and the rear rim (1203) is provided with a rear tire (1202).

3. The running bicycle of claim 2, wherein a rear fork (11) is fixedly mounted at the rear end of the side plate (1005), the rear fork (11) comprises an upper rear fork pipe (1101) and a lower rear fork pipe (1102), the upper rear fork pipe (1101) and the lower rear fork pipe (1102) are respectively and fixedly mounted at the upper side and the lower side of the side plate (1005), and a rear fork claw (1103) is fixedly mounted at the intersection of the rear ends of the upper rear fork pipe (1101) and the lower rear fork pipe (1102);

the rear hub spindle (1204) is fixedly mounted on the rear fork claw (1103).

4. The running bicycle according to any one of claims 1-3, wherein the head assembly comprises a vertical front fork tube (5), the vertical front fork tube (5) is fixedly connected with the frame (9), a wheel shaft (7) is rotatably sleeved in the vertical front fork tube (5), a horizontal handlebar tube (8) is fixedly mounted at the upper end of the wheel shaft (7), and the handlebars are respectively mounted at the left end and the right end of the horizontal handlebar tube (8);

two front fork side tubes (3) are fixedly mounted at the lower end of the wheel shaft (7), a front fork claw (2) is fixedly mounted at the bottom end of each front fork side tube (3), and a front wheel (1) is mounted on each front fork claw (2).

5. Running bicycle according to claim 4, characterized in that the front wheel (1) comprises a front hub spindle (108) mounted on the front fork claw (2), a front hub (107) is rotatably mounted on the front hub spindle (108), a front rim (103) is mounted on the front hub (107) by means of front spokes (101), and a front tyre (104) is mounted on the front rim (103).

6. Running bicycle according to claim 4, characterised in that the front fork stem (5) is rotatably connected at its upper and lower ends to a wheel axle (7) via an upper bowl group (6) and a lower bowl group (4), respectively;

the upper bowl group (6) comprises a second ball bearing (601) arranged on the wheel shaft (7), and the outer side of the upper end of the second ball bearing (601) is connected with an upper bearing end cover (602);

the lower bowl group (4) comprises a first ball bearing (401) arranged on the wheel shaft (7), and the outer side of the lower end of the first ball bearing (401) is connected with a lower bearing end cover (402).

7. The running bicycle of any one of claims 1-3, wherein a baffle (1003) is fixedly installed on the outer side of the front end of the side plate (1005), a front plug (1002) is fixedly installed at the front end of the baffle (1003), and a front side plate (1001) is fixedly installed on the front plug (1002);

the tail end of the side plate (1005) is fixedly provided with a rear plug (1009), and the rear plug (1009) is fixedly provided with a rear side plate (1010).

8. Running bicycle according to claim 2, characterized in that a rear disc brake flange (1207) is connected to the rear hub (1208), and a rear disc brake disc (1201) is connected to the rear disc brake flange (1207).

9. Running bicycle according to claim 5, characterized in that a front disc brake flange (106) is fixedly mounted on the front hub (107), and a front disc brake disc (105) is fixedly mounted on the front disc brake flange (106).

10. Running bicycle according to any of claims 1-3, characterised in that the rear drum shaft (1018) and the transmission shaft (1007) are mounted on the side plate (1005) by means of a third rolling bearing (1019) and a fourth rolling bearing (1023), respectively;

and a first sleeve (1020) and a second sleeve (1024) which are used for positioning a third rolling bearing (1019) and a fourth rolling bearing (1023) are respectively arranged on the rear roller shaft (1018) and the transmission shaft (1007).

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