CN218141959U

CN218141959U - Shock-proof type rear wheel hangs and bicycle

Info

Publication number: CN218141959U
Application number: CN202222227199.4U
Authority: CN
Inventors: 何敏
Original assignee: Taicang Qiyao Machinery Manufacturing Co ltd
Current assignee: Taicang Qiyao Machinery Manufacturing Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-27
Anticipated expiration: 2032-08-24

Abstract

The utility model belongs to the technical field of the bicycle, a shock-proof type rear wheel hangs and bicycle is disclosed, including being used for the first connecting seat that uses with the saddle pipe cooperation of bicycle and being used for the second connecting seat that uses with the rear axle fork frame cooperation of bicycle, the fixed surface that first connecting seat is close to second connecting seat one side has the hollow tube, the fixed surface that the second connecting seat is close to first connecting seat one side has the connecting rod, be provided with on the hollow tube and be used for the fixed subassembly with hollow tube and connecting rod, the cover is equipped with buffer spring on the hollow tube, buffer spring's one end and second connecting seat butt, be provided with the adjusting part who is used for adjusting buffer spring tensioning degree on the hollow tube. This application is adjusted for buffer spring's tensioning degree, and the user only needs can adjust through adjusting part to make buffer spring's tensioning degree can be applicable to the difference and ride passerby, be favorable to improving buffer spring's buffering effect.

Description

Shock-proof type rear wheel hangs and bicycle

Technical Field

The utility model relates to a bicycle technical field, in particular to shock-proof type rear wheel hangs and bicycle.

Background

A simple type of bicycle rear wheel suspension is known as a single pivot suspension system. Single pivot suspension systems include a chain stay or swing arm that pivots about a main pivot point near the bottom bracket or on the bicycle frame seat tube. The second pivot point may be located near the rear wheel axle and the shock absorber is typically attached to the top tube, the design of which is an important parameter affecting the comfort of the cyclist.

The shock attenuation bicycle adopts among the prior art a plurality of modes such as saddle pipe shock attenuation, front fork shock attenuation realize the buffering shock attenuation that the road surface was jolted, and the saddle pipe shock attenuation is directed at the frame position of cushion below and is damped, and the saddle pipe shock attenuation is realized through damping spring mostly, but damping spring's tensioning degree is difficult to adjust for the saddle pipe shock attenuation is not good to rear axle fork frame department from the feedback buffering effect of rear wheel vibrations.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a shock-proof type rear wheel hangs and bicycle.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a shock-proof type rear wheel hangs, is including being used for the first connecting seat that uses with the saddle pipe cooperation of bicycle and being used for the second connecting seat that uses with the rear axle fork frame cooperation of bicycle, the fixed surface that first connecting seat is close to second connecting seat one side has the hollow tube, the fixed surface that second connecting seat is close to first connecting seat one side has the connecting rod, be provided with on the hollow tube and be used for the fixed subassembly of hollow tube with the connecting rod is fixed, the cover is equipped with buffer spring on the hollow tube, buffer spring's one end and second connecting seat butt, be provided with the adjusting part who is used for adjusting buffer spring tensioning degree on the hollow tube.

Through adopting above-mentioned technical scheme, when this shock-proof type rear wheel hangs and is applied to the bicycle in, the saddle pipe of first connecting seat and bicycle is connected, and the second connecting seat is connected with the rear axle fork truck of bicycle, and buffer spring has played good shock attenuation cushioning effect, is favorable to improving the comfort level of user at the in-process of the bicycle of riding. For adjusting buffer spring's tensioning degree, the user only needs to adjust through adjusting part to make buffer spring's tensioning degree can be applicable to the difference and ride passerby, be favorable to improving buffer spring's buffering effect.

Further, the adjusting part comprises an external thread sleeve fixedly sleeved on the hollow tube, an internal thread sleeve sleeved on the external thread sleeve and in threaded connection with the external thread sleeve, and a star-shaped handle fixedly sleeved on the internal thread sleeve, wherein one end of the buffer spring, far away from the second connecting seat, is abutted against the surface of one side, close to the second connecting seat, of the star-shaped handle.

Through adopting above-mentioned technical scheme, when using adjusting part to adjust buffer spring's tensioning degree, ride passerby and only need hold star handle and rotate to this revolves wrong external thread cover, makes external thread cover move towards one side that is close to the second connecting seat, and at this in-process, star handle compresses buffer spring, makes buffer spring's tensioning degree adjust according to the needs of riding passerby, is favorable to improving the comfort level of riding the in-process.

Furthermore, the surface that the star handle is close to second connecting seat one side is fixed with first spacing ring, the surface that the second connecting seat is close to first connecting seat one side is fixed with the second spacing ring, the transversal U-shaped of personally submitting of second spacing ring, buffer spring's one end is located between first spacing ring inner wall and the internal thread bush outer wall, buffer spring's the other end is located the U-shaped inslot of second spacing ring.

Through adopting above-mentioned technical scheme, the second spacing ring has played good limiting displacement to the one end that buffer spring is close to the second connecting seat, and good limiting displacement has been played to the one end that buffer spring is close to first connecting seat to first spacing ring and the cooperation of external thread bush, has strengthened the stability of buffer spring in the use.

Furthermore, step chutes communicated with the inside of the hollow pipe are formed in two sides of the hollow pipe, the connecting rod penetrates through one end, close to the second connecting seat, of the hollow pipe and is connected with the hollow pipe in a sliding mode, the fixing assembly comprises a first bolt and a nut, the first bolt penetrates through the connecting rod and is in clearance fit with the connecting rod, the nut is sleeved on the first bolt, the diameter of the first bolt is smaller than the width of the step chutes, and the nut is located in the step chutes and is in threaded connection with the first bolt.

Through adopting above-mentioned technical scheme, ride passerby's back of unscrewing the nut, the axial motion of hollow tube can be followed to the connecting rod to this is convenient for ride passerby and adjusts by a wide margin buffer spring's tensioning degree, and the back of finishing is adjusted, and it can to screw up the nut again.

Further, be provided with in the hollow tube and prevent the subassembly that resets, prevent the subassembly that resets including setting up in the hollow tube installation pole and running through set up on the installation pole and with installation pole clearance fit's second bolt, second bolt and hollow tube inner wall threaded connection, the holding tank has all been seted up on the lateral wall of installation pole both sides, run through on the position that hollow tube lateral wall and holding tank correspond and seted up a plurality of through-holes, the notch has all been seted up to external screw thread cover both sides, the width of notch, the width of through-hole, the width of holding tank all equal, prevent the subassembly that resets still including set up in the holding tank and with the stopper that the holding tank slides the stopper of being connected and keep away from the conflict spring that the lateral wall of first spacing ring one side is fixed with the stopper, the one end that the stopper was kept away from the stopper is fixed with the holding tank inner wall, the crossing department between the one end that the stopper was kept away from the conflict spring and the lateral wall that the stopper is close to first connecting seat one side has seted up the slope butt face.

Through adopting above-mentioned technical scheme, when riding passerby and twisting star handle one side that is close to the second connecting seat and move, external screw thread cover is along with star handle synchronous motion, external screw thread cover and slope butt face butt back, order about the stopper and contract gradually to the holding tank in, the conflict spring is compressed gradually, when the stopper that is close to first connecting seat one side resets under the spring action of conflict spring, the stopper is kept away from the surface of first connecting seat one side and is close to the surface butt of first connecting seat one side with star handle, the probability that star handle resets has been reduced, the stability that shock-proof type rear wheel hung in the use has been strengthened.

A bicycle with a shock-absorbing rear wheel suspension device is characterized in that a first connecting seat is connected with a saddle pipe of the bicycle, and a second connecting seat is connected with a rear shaft fork frame of the bicycle.

Through adopting above-mentioned technical scheme for the bicycle has good buffering shock attenuation performance, is favorable to improving the comfort level of riding passerby.

Furthermore, a front wheel and a rear wheel of the bicycle are both provided with first anti-skid grains and second anti-skid grains, and the second anti-skid grains and the first anti-skid grains are arranged in a crossed mode;

the head of the frame of the bicycle is provided with a lighting lamp, and a storage battery electrically connected with the lighting lamp is arranged in a beam of the bicycle.

Through adopting above-mentioned technical scheme, first anti-skidding line and second anti-skidding line mating reaction have strengthened the anti-skidding effect of bicycle in-process of riding. The storage battery supplies power to the illuminating lamp, and a rider can conveniently ride the bicycle at night.

To sum up, the utility model discloses following beneficial effect has:

1. in this application, when this shock-proof type rear wheel hangs and is applied to the bicycle, the saddle pipe connection of first connecting seat and bicycle, the rear axle fork frame of second connecting seat and bicycle is connected, and buffer spring has played good shock attenuation cushioning effect, is favorable to improving the comfort level of user at the in-process of the bicycle of riding. In order to adjust the tensioning degree of the buffer spring, a user can adjust the tensioning degree of the buffer spring only through the adjusting assembly, so that the tensioning degree of the buffer spring can be suitable for different riders, and the buffer effect of the buffer spring is improved;

2. in the application, when the adjusting assembly is used for adjusting the tensioning degree of the buffer spring, a rider only needs to hold the star-shaped handle and rotate the star-shaped handle, so that the external thread sleeve is screwed, the external thread sleeve moves towards one side close to the second connecting seat, and in the process, the star-shaped handle compresses the buffer spring, so that the tensioning degree of the buffer spring is adjusted according to the requirement of the rider, and the comfort degree in the riding process is improved;

3. in this application, first anti-skidding line and the cooperation of second anti-skidding line have strengthened the anti-skidding effect of bicycle in-process of riding. The storage battery supplies power to the illuminating lamp, and a rider can conveniently ride the bicycle at night.

Drawings

Fig. 1 and 2 are schematic views of the overall structure of the bicycle in the embodiment of the present invention;

FIG. 3 is a schematic structural view of a shock absorbing rear wheel suspension according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an embodiment of the present invention highlighting a securing assembly;

fig. 5 is an enlarged schematic view at a in fig. 4.

In the figure: 1. a first connecting seat; 2. a second connecting seat; 21. a second stop collar; 3. a hollow tube; 31. a step chute; 32. a through hole; 4. a connecting rod; 5. a fixing component; 51. a first bolt; 52. a nut; 6. a buffer spring; 7. an adjustment assembly; 71. an external thread sleeve; 711. a notch; 72. an internal thread sleeve; 73. a star-shaped handle; 731. a first limit ring; 8. an anti-reset component; 81. mounting a rod; 811. accommodating a tank; 82. a second bolt; 83. a limiting block; 831. an inclined abutting surface; 84. against the spring; 9. a bicycle; 91. a saddle pipe; 92. a rear axle yoke; 93. a front wheel; 931. a first anti-skid pattern; 94. a rear wheel; 941. a second anti-skid pattern; 95. an illuminating lamp.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

As shown in fig. 1 to 5, the embodiment of the present application discloses a shock absorption type rear wheel suspension, which includes a first connection seat 1, a second connection seat 2, a hollow tube 3, a connection rod 4, a fixing component 5, a buffer spring 6, an adjusting component 7, and an anti-return component 8. The first connecting base 1 is adapted to cooperate with a saddle tube 91 of a bicycle 9, and the second connecting base 2 is adapted to cooperate with a rear axle fork 92 of the bicycle 9. The hollow tube 3 is a circular tube structure with a hollow interior and two closed ends, and one end of the hollow tube 3 is fixed on the surface of the first connecting seat 1 close to one side of the second connecting seat 2. Connecting rod 4 is round rod-shaped structure, and its axis coincides with the axis of hollow tube 3, and the one end of connecting rod 4 and second connecting seat 2 are close to the fixed surface of first connecting seat 1 one side, and connecting rod 4 runs through hollow tube 3 and is close to the one end of second connecting seat 2 and slides with hollow tube 3 and be connected.

The ladder chutes 31 communicated with the inside of the hollow tube 3 are formed in both sides of the hollow tube 3, the fixing assembly 5 is disposed on the hollow tube 3 and used for fixing the hollow tube 3 and the connecting rod 4, and the fixing assembly 5 comprises a first bolt 51 and a nut 52. The diameter of the first bolt 51 is smaller than the width of the step slide groove 31, and the first bolt 51 is arranged on the connecting rod 4 in a penetrating manner and is in clearance fit with the connecting rod 4. The nut 52 is disposed in the step sliding slot 31, and is sleeved on the first bolt 51 and connected with the screw thread. The hollow tube 3 is sleeved with the buffer spring 6, and one end of the buffer spring 6 is abutted against the surface of one side, close to the first connecting seat 1, of the second connecting seat 2.

An adjusting assembly 7 is provided on the hollow tube 3 for adjusting the degree of tension of the damper spring 6, and the adjusting assembly 7 includes an externally threaded sleeve 71, an internally threaded sleeve 72, and a star handle 73. The external thread sleeve 71 is a sleeve with threads on the outer surface, and is sleeved on the hollow tube 3 and fixed with the outer wall of the hollow tube 3. The internal thread bushing 72 is a sleeve having a thread on an inner surface thereof, and is fitted over the external thread bushing 71 and threadedly coupled to the external thread bushing 71. The star-shaped handle 73 is sleeved on the internal thread sleeve 72 and fixed with the internal thread sleeve 72, and one end of the buffer spring 6 far away from the second connecting seat 2 is abutted against the surface of one side of the star-shaped handle 73 close to the second connecting seat 2. In this embodiment, the surface of the star-shaped handle 73 close to the second connecting seat 2 is fixed with a first limiting ring 731, the surface of the second connecting seat 2 close to the first connecting seat 1 is fixed with a second limiting ring 21, the second limiting ring 21 is a circular ring-shaped structure with a U-shaped cross section, one end of the buffer spring 6 is located between the inner wall of the first limiting ring 731 and the outer wall of the internal thread sleeve 72, and the other end of the buffer spring 6 is located in the U-shaped groove of the second limiting ring 21, so that the buffer spring 6 is well limited, the relative positions between the buffer spring 6 and the star-shaped handle 73 and the second connecting seat 2 are kept fixed, and the probability of position deviation of the two ends of the buffer spring 6 is reduced.

In a bicycle with the shock-absorbing rear wheel suspension (in this embodiment, the bicycle is not shown, and a foot support is added to the rear wheel side of the bicycle before sale), a first connecting seat 1 is connected to a saddle tube 91 of the bicycle 9, and a second connecting seat 2 is connected to a rear fork 92 of the bicycle 9. When this shock-proof type rear wheel 94 hangs and is applied to in bicycle 9, first connecting seat 1 is connected with the saddle pipe 91 of bicycle 9, and second connecting seat 2 is connected with the rear axle fork 92 of bicycle 9, and buffer spring 6 has played good shock attenuation cushioning effect, is favorable to improving the comfort level of user at the in-process of bicycle 9 of riding. For adjusting the tensioning degree of buffer spring 6 by a wide margin, the user only needs to unscrew nut 52, can adjust the axial motion of connecting rod 4 along hollow tube 3 to this person of riding adjusts buffer spring 6's tensioning degree by a wide margin, and the back of adjusting finishes, and it can to tighten nut 52 again. For the tensioning degree to buffer spring 6 carries out small amplitude adjustment, ride passerby and only need hold star handle 73 and rotate to this revolves wrong thread bush 71, makes the one side motion that is close to second connecting seat 2 of outer thread bush 71 orientation, and at this in-process, star handle 73 compresses buffer spring 6, makes buffer spring 6's tensioning degree carry out small amplitude adjustment according to the needs of riding passerby, is favorable to improving the comfort level of the in-process of riding.

For the probability that reduces bicycle 9 and skid at the in-process of riding, first anti-skidding line 931 and second anti-skidding line 941 have all been seted up on front wheel 93 and the rear wheel 94 of bicycle 9, and second anti-skidding line 941 sets up with first anti-skidding line 931 alternately. In order to facilitate the rider to ride the bicycle 9 at night, the head of the frame of the bicycle 9 is provided with an illuminating lamp 95, and a storage battery (not shown) electrically connected with the illuminating lamp 95 is arranged in the beam of the bicycle 9.

Prevent reset assembly 8 and set up in hollow tube 3, prevent reset assembly 8 includes installation pole 81, second bolt 82, stopper 83 and conflict spring 84. Installation pole 81 is round bar-shaped structure, and its axis coincides with hollow tube 3's axis, and installation pole 81 is located the position of keeping away from second connecting seat 2 one side in hollow tube 3, has all seted up holding tank 811 on the lateral wall of installation pole 81 both sides, runs through on the position that hollow tube 3 lateral wall and holding tank 811 correspond and has seted up a plurality of through-holes 32, and notch 711 has all been seted up to external screw thread cover 71 both sides, and the width of notch 711, the width of through-hole 32, the width homogeneous phase of holding tank 811 equals. The axis of the second bolt 82 is parallel to the axis of the hollow tube 3, the second bolt 82 is disposed on the mounting rod 81 in a penetrating manner and in clearance fit with the mounting rod 81, and the second bolt 82 is in threaded connection with the inner wall of the hollow tube 3 far away from the second connecting seat 2. The limiting block 83 is a rectangular block structure, and is disposed in the accommodating groove 811 and connected to the accommodating groove 811 in a sliding manner, and one end of the limiting block 83 near the first limiting ring 731 sequentially passes through the through hole 32 and the notch 711. The abutting spring 84 is disposed in the accommodating groove 811, one end of the abutting spring 84 is fixed to the side wall of the limiting block 83 far away from the first limiting ring 731, one end of the abutting spring 84 far away from the limiting block 83 is fixed to the inner wall of the accommodating groove 811, and the inclined abutting surface 831 is disposed at the intersection between the end of the limiting block 83 far away from the abutting spring 84 and the side wall of the limiting block 83 near the first connecting seat 1. When the person of riding twists star handle 73 towards the one side that is close to second connecting seat 2, external screw thread cover 71 is along with star handle 73 synchronous motion, after external screw thread cover 71 and slope butt surface 831 butt, order about stopper 83 and contract gradually in holding tank 811, conflict spring 84 is compressed gradually, when the stopper 83 that is close to first connecting seat 1 one side resets under the spring action of conflict spring 84, the stopper 83 is kept away from the surface of first connecting seat 1 one side and star handle 73 and is close to the surface butt of first connecting seat 1 one side, the probability that star handle 73 resets has been reduced, the stability that shock-absorbing type rear wheel 94 hangs in the use has been strengthened.

The use principle of a shock-proof type rear wheel suspension and bicycle in this embodiment does: when this shock-proof type rear wheel 94 hangs and is applied to in bicycle 9, first connecting seat 1 is connected with the saddle pipe 91 of bicycle 9, and second connecting seat 2 is connected with the rear axle fork 92 of bicycle 9, and buffer spring 6 has played good shock attenuation cushioning effect, is favorable to improving the comfort level of user at the in-process of bicycle 9 of riding. For adjusting buffer spring 6's tensioning degree by a wide margin, the user only needs unscrew nut 52, can adjust the axial motion of connecting rod 4 along hollow tube 3 to this person of riding adjusts buffer spring 6's tensioning degree by a wide margin, and the back of finishing adjusting, it can to tighten nut 52 again. For the tensioning degree to buffer spring 6 carries out small-amplitude adjustment, ride passerby and only need hold star handle 73 and rotate to this revolves wrong thread bush 71, makes outer thread bush 71 move towards the one side that is close to second connecting seat 2, and at this in-process, star handle 73 compresses buffer spring 6, makes buffer spring 6's tensioning degree carry out small-amplitude adjustment according to the needs of riding passerby, is favorable to improving the comfort level of the in-process of riding.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a shock-proof type rear wheel hangs, characterized by: including being used for first connecting seat (1) and being used for second connecting seat (2) with rear axle yoke (92) cooperation use of bicycle (9) with the saddle pipe (91) cooperation of bicycle (9), first connecting seat (1) is close to the fixed surface of second connecting seat (2) one side and is had hollow tube (3), the fixed surface that second connecting seat (2) is close to first connecting seat (1) one side has connecting rod (4), be provided with on hollow tube (3) and be used for fixed subassembly (5) with hollow tube (3) and connecting rod (4), the cover is equipped with buffer spring (6) on hollow tube (3), the one end and the second connecting seat (2) butt of buffer spring (6), be provided with on hollow tube (3) and be used for adjusting buffer spring (6) tensioning degree's regulation subassembly (7).

2. A shock absorbing rear wheel suspension as claimed in claim 1, wherein: adjusting part (7) including fixed cover locate on hollow tube (3) external screw thread cover (71), the cover locate on external screw thread cover (71) and with external screw thread cover (71) threaded connection's internal thread cover (72) and fixed cover star handle (73) on internal thread cover (72), the one end that second connecting seat (2) were kept away from in buffer spring (6) is close to the surface butt of second connecting seat (2) one side with star handle (73).

3. A shock absorbing rear wheel suspension as claimed in claim 2, wherein: the surface mounting that star handle (73) is close to second connecting seat (2) one side has first spacing ring (731), the surface mounting that second connecting seat (2) are close to first connecting seat (1) one side has second spacing ring (21), the transversal U-shaped of personally submitting of second spacing ring (21), the one end of buffer spring (6) is located between first spacing ring (731) inner wall and internal thread cover (72) outer wall, the other end of buffer spring (6) is located the U-shaped inslot of second spacing ring (21).

4. A shock absorbing rear wheel suspension as claimed in claim 3, wherein: the ladder connecting device is characterized in that ladder sliding grooves (31) communicated with the interior of the hollow pipe (3) are formed in two sides of the hollow pipe (3), the connecting rod (4) penetrates through one end, close to the second connecting seat (2), of the hollow pipe (3) and is connected with the hollow pipe (3) in a sliding mode, the fixing component (5) comprises a first bolt (51) which is arranged on the connecting rod (4) in a penetrating mode and in clearance fit with the connecting rod (4) and a nut (52) which is sleeved on the first bolt (51), the diameter of the first bolt (51) is smaller than the width of the ladder sliding grooves (31), and the nut (52) is located in the ladder sliding grooves (31) and is in threaded connection with the first bolt (51).

5. The shock absorbing rear wheel suspension as set forth in claim 4, wherein: an anti-reset assembly (8) is arranged in the hollow tube (3), the anti-reset assembly (8) comprises an installation rod (81) arranged in the hollow tube (3) and a second bolt (82) which is arranged on the installation rod (81) in a penetrating manner and in clearance fit with the installation rod (81), the second bolt (82) is in threaded connection with the inner wall of the hollow tube (3), accommodating grooves (811) are formed in the side walls of the two sides of the installation rod (81), a plurality of through holes (32) are formed in the positions, corresponding to the accommodating grooves (811), of the side wall of the hollow tube (3) in a penetrating manner, notches (711) are formed in the two sides of the external thread sleeve (71), the width of each notch (711), the width of each through hole (32) and the width of each accommodating groove (811) are equal, the anti-reset assembly (8) further comprises a limiting block (83) which is arranged in the accommodating grooves (811) and connected with the accommodating grooves (811) in a sliding manner, and a contact spring (84) which is fixedly contacted with the side wall of one side, far away from the first limiting block (731) of the limiting block (83), and one end, far away from the limiting block (84), is fixed with the inner wall (811);

an inclined abutting surface (831) is formed at the intersection of one end, far away from the abutting spring (84), of the limiting block (83) and the side wall, close to the first connecting seat (1), of the limiting block (83).

6. A bicycle with a shock absorbing rear wheel suspension as claimed in any one of claims 1 to 5, characterized in that: the first connecting seat (1) is connected with a saddle pipe (91) of a bicycle (9), and the second connecting seat (2) is connected with a rear axle fork frame (92) of the bicycle (9).

7. A cycle as claimed in claim 6, wherein: the front wheel (93) and the rear wheel (94) of the bicycle (9) are both provided with first anti-skid grains (931) and second anti-skid grains (941), and the second anti-skid grains (941) and the first anti-skid grains (931) are arranged in a crossed mode;

the head of the frame of the bicycle (9) is provided with an illuminating lamp (95), and a storage battery electrically connected with the illuminating lamp (95) is arranged in a beam of the bicycle (9).