CN220721263U - Motorcycle - Google Patents

Abstract

The application discloses motorcycle, motorcycle include automobile body, driving system, walking subassembly and turn to the lamp. The power system is arranged on the vehicle body and can drive the walking assembly to move. The steering lamp comprises a lamp shade, a lamp shell, a circuit board and lamp beads, wherein the lamp shell is connected to a vehicle body, the lamp shade is arranged on the lamp shell, a containing cavity is formed between the lamp shade and the lamp shell, the circuit board and the lamp beads are located in the containing cavity, the lamp beads are arranged on one side, facing the lamp shade, of the circuit board, the circuit board controls the lamp beads to emit light, and light emitted by the lamp beads can be emitted through the lamp shade. The inner wall of lamp shade orientation lamp pearl is provided with the line, and the line can gather the light that the lamp pearl sent to reduce the diffusion angle of the light-emitting of steering lamp. Through set up the line at the lamp shade inner wall in this scheme, improved the visual effect of steering lamp to need not to increase extra spare part, thereby be convenient for reduce the whole weight of steering lamp, reduce the size of steering lamp, reduce manufacturing cost.

Description

Motorcycle

Technical Field

The application relates to the technical field of vehicles, in particular to a motorcycle.

Background

The steering lamp of the motorcycle is arranged at the front part and the rear part of the motorcycle body, is an important indicating part and is mainly used for starting and emitting light rays when the motorcycle turns, and the light rays prompt the turning direction of the motorcycle to remind other vehicles or pedestrians of paying attention to the turning direction of the motorcycle. The steering lamp generally comprises a reflecting bowl or an inner lens, and the reflecting bowl and the inner lens can control the light distribution and the projection direction, so that the vehicle can have better visual effect under different road conditions. However, the installation of the reflective bowl or the inner lens increases the overall weight and size of the turn signal lamp, and also increases the manufacturing cost of the product, which is not economical.

Disclosure of Invention

In order to solve the defects in the prior art, the application provides a motorcycle which can reduce the overall weight of a steering lamp, reduce the size of the steering lamp and reduce the manufacturing cost.

Embodiments of the present application provide a motorcycle including a body, a power system, a running assembly, and a turn signal. The power system is arranged on the vehicle body and can drive the walking assembly to move. The steering lamp comprises a lamp shade, a lamp shell, a circuit board and lamp beads, wherein the lamp shell is connected to the vehicle body, the lamp shade is connected with the lamp shell and encloses to form a containing cavity, the circuit board and the lamp beads are located in the containing cavity, the lamp beads are arranged on one side, facing the lamp shade, of the circuit board, the circuit board can control the lamp beads to emit light, and light emitted by the lamp beads can be emitted through the lamp shade. The inner wall of lamp shade orientation lamp pearl is provided with the line, and the line can gather the light that the lamp pearl sent to reduce the diffusion angle of the light-emitting of steering lamp.

In the motorcycle, the steering lamp can be controlled to remind other vehicles or pedestrians of the steering direction of the motorcycle in the running process. When the steering lamp is turned on, the light emitted by the lamp beads can be emitted out through the lamp shade to prompt the motorcycle to turn. The line of in-process lamp pearl light through the lamp shade inner wall, the line can gather the light that the lamp pearl sent, reduces the diffusion angle of light to improve the intensity of lamp pearl light. Through set up the line at the lamp shade inner wall in this scheme, improved the visual effect of steering lamp to need not to increase extra spare part that is used for spotlight or reflected light, thereby reduce manufacturing cost, and can reduce the whole weight of steering lamp, also can reduce the size of steering lamp, promote the degree of freedom of steering lamp mounted position.

In at least one embodiment, the outer wall of the lamp housing is provided with an adhesive member by which the turn signal lamp is adhered to the vehicle body.

In at least one embodiment, a plane perpendicular to the longitudinal direction of the motorcycle is defined as a transverse plane, and the projection of the turn signal in the transverse plane along the longitudinal direction overlaps with the projection of the vehicle body in the transverse plane along the longitudinal direction.

In at least one embodiment, the texture comprises a plurality of annular protrusions, the plurality of annular protrusions are nested in sequence from the center of the texture outwards, and a gap is formed between every two adjacent annular protrusions.

In at least one embodiment, a circuit is arranged on the circuit board, the circuit comprises a transient voltage suppressor and a diode, one end of the transient voltage suppressor is connected with a voltage input end of the circuit, and the other end of the transient voltage suppressor is connected with a voltage output end of the circuit; the diode is connected with the lamp bead in series, the anode of the diode is connected with the voltage input end of the circuit, the cathode of the diode is connected with the anode of the lamp bead, and the cathode of the lamp bead is connected with the voltage output end of the circuit.

In at least one embodiment, the circuit board is further provided with at least two resistors, the at least two resistors are arranged in parallel, one end of each resistor is connected to the cathode of the lamp bead, and the other end of each resistor is connected to the voltage output end.

In at least one embodiment, the turn signal further comprises a first screw, one end of the first screw is connected with the lamp housing, and the other end of the first screw is used for being in threaded connection with the vehicle body.

In at least one embodiment, the steering lamp further comprises a second screw rod and a handle, the handle is provided with internal threads, one end of the second screw rod is connected with the lamp housing, and the other end of the second screw rod is connected with the internal threads of the handle; one end of the first screw rod, which is far away from the vehicle body, is connected with the internal thread of the handle.

In at least one embodiment, the steering lamp further comprises a locking piece and a gasket, wherein the locking piece and the gasket are sleeved on the first screw rod and are positioned between the handle and the vehicle body; the locking piece is in threaded connection with the first screw rod, and the gasket is arranged between the locking piece and the handle.

In at least one embodiment, the inner wall of the lamp housing is provided with supporting ribs, and the supporting ribs are positioned on one side of the circuit board, which is opposite to the lamp beads; the support ribs can support the circuit board, so that a gap is reserved between the circuit board and the inner wall of the lamp housing.

In at least one embodiment, the inner wall of the lamp shade is provided with a pressing rib, one end of the pressing rib, which is far away from the lamp shade, is positioned on one side of the circuit board, which faces the lamp shade, and the pressing rib and the supporting rib can press two opposite sides of the circuit board so as to limit the circuit board.

Drawings

Fig. 1 is a perspective view of a motorcycle in one embodiment of the present application.

Fig. 2 is an exploded view of a turn signal in one embodiment of the present application.

Figure 3 is a perspective view of a lamp shade in one embodiment of the present application.

Fig. 4 is a schematic diagram showing a front structure of a circuit board according to an embodiment of the present application.

Fig. 5 is a schematic diagram showing a back structure of a circuit board according to an embodiment of the present application.

Fig. 6 is a circuit schematic of a turn signal in one embodiment of the present application.

Fig. 7 is a schematic circuit diagram of a turn signal in another embodiment of the present application.

Fig. 8 is a perspective view of a turn signal in one embodiment of the present application.

Fig. 9 is a partial cross-sectional view taken along direction ix-ix in fig. 8.

The following detailed description will further illustrate the application in conjunction with the above-described figures.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

It should be noted that, the dimensions of thickness, length, width, etc. of the various components in the embodiments of the present application and the dimensions of the overall thickness, length, width, etc. of the integrated device are shown in the drawings, which are merely illustrative, and should not be construed as limiting the present application.

Embodiments of the present application are further described below with reference to the accompanying drawings.

As shown in fig. 1, an embodiment of the present application provides a motorcycle 100 including a vehicle body 11, a power system 12, a traveling assembly 13, a transmission assembly (not shown), and a turn signal 14. The vehicle body 11 is used to form the overall architecture of the motorcycle 100. The power system 12 is provided to the vehicle body 11. The traveling assembly 13 is rotatably coupled to the vehicle body 11. The transmission component is connected between the power system 12 and the walking component 13, the power system 12 is used for providing power, the transmission component is used for transmitting the power of the power system 12 to the walking component 13, and the walking component 13 is rotated to drive the motorcycle 100 to move, so that the running of the motorcycle 100 is realized. By way of illustrative example, power system 12 is powered by at least one of an electric motor or an engine, a transmission assembly such as a chain or belt, or the like, transmitting the drive of the motor or engine to travel assembly 13. The turn signal lamp 14 is provided on the vehicle body 11, and the motorcycle 100 can prompt the other vehicle or the pedestrian to turn in the direction by controlling the turn signal lamp 14 during running, thereby improving the driving safety of the motorcycle 100.

As shown in fig. 2 and 3, the turn signal lamp 14 includes a lamp housing 141, a lamp housing 142, a circuit board 143 and a lamp bead 144, the lamp housing 142 is connected to the vehicle body 11, the lamp housing 141 is disposed on the lamp housing 142, a receiving cavity 145 is formed between the lamp housing 141 and the lamp housing 142, the circuit board 143 and the lamp bead 144 are disposed in the receiving cavity 145, the lamp bead 144 is disposed on one side of the circuit board 143 facing the lamp housing 141, the circuit board 143 controls the lamp bead 144 to emit light, and the light emitted by the lamp bead 144 can be emitted through the lamp housing 141. The inner wall of the lamp shade 141 facing the lamp bead 144 is provided with lines 1411, and the lines 1411 can collect light rays emitted by the lamp bead 144 so as to reduce the diffusion angle of the light emitted by the steering lamp 14.

When the turn signal lamp 14 is turned on, the light emitted from the lamp beads 144 can be emitted through the lamp shade 141 to prompt the motorcycle 100 to turn. In the process of emitting light from the lamp beads 144, the light passes through the lines 1411 on the inner wall of the lamp shade 141, and the lines 1411 can collect the light emitted from the lamp beads 144, so that the diffusion angle of the light is reduced, and the intensity of the light emitted from the lamp beads 144 is improved. Through set up line 1411 at the lamp shade 141 inner wall, not only improved the visual effect of pilot lamp 14 to need not to increase extra spare part that is used for spotlight or reflected light, thereby reduce manufacturing cost, and can reduce the whole weight of pilot lamp 14, also can reduce the size of pilot lamp 14, promote the degree of freedom of pilot lamp 14 mounted position, make the installation overall arrangement selection of pilot lamp 14 many, the design of being convenient for whole car.

As shown in fig. 2 and 3, in some embodiments, the ridge 1411 includes a plurality of annular protrusions, and the plurality of annular protrusions are nested outward from the center of the ridge 1411 in sequence, and a gap is formed between two adjacent annular protrusions. When the light beam emitted by the lamp bead 144 is projected to the annular protrusion, the annular protrusion can collect the light beam, and the angle of the outward expansion of the light beam is reduced, so that the light beam intensity of the steering lamp 14 is improved to meet the use requirement.

As shown in fig. 2 and 3, in some embodiments, the lamp shade 141 includes a cover 1412 and a grain 1411, the grain 1411 is integrally formed on an inner wall of the cover 1412, and the cover 1412 and the grain 1411 are made of transparent materials, so as to facilitate manufacturing and processing of the lamp shade 141.

As shown in fig. 2, in some embodiments, the outer wall of the lamp housing 142 is provided with an adhesive 146, and the turn signal 14 is adhered to the vehicle body 11 by the adhesive 146. When the turn signal lamp 14 is installed, the turn signal lamp 14 is only required to be adhered to the vehicle body 11, and the operation is simple and convenient. This scheme need not to set up other and turn signal lamp 14 complex structure on automobile body 11, this can reduce the manufacturing error to automobile body 11 and turn signal lamp 14, is difficult for appearing because of the design mistake or production manufacturing error and takes place the difficult, unable phenomenon of installation.

In some embodiments, the adhesive 146 is a backing adhesive. The back adhesive has strong adhesive force, so that the steering lamp 14 is not easy to fall off from the vehicle body 11 during the running process of the motorcycle 100. In addition, the steering lamp 14 is connected to the vehicle body 11 by a back adhesive, so that the influence of wind resistance on the running of the whole vehicle can be reduced, and the driving stability of the motorcycle 100 can be improved, as compared with the steering lamp 14 connected to the vehicle body 11 in a cantilever manner.

In other embodiments, the adhesive 146 may be a double sided tape, glue, or the like.

In some embodiments, as shown in fig. 1, a plane perpendicular to the longitudinal direction of the motorcycle 100 is defined as a transverse plane, and the projection of the turn signal 14 in the transverse plane along the longitudinal direction overlaps with the projection of the vehicle body 11 in the transverse plane along the longitudinal direction. The turn signal lamp 14 may be attached to the front of the body 11 of the motorcycle 100 with the globe 141 facing the front of the motorcycle 100 to alert the driver of the front vehicles and pedestrians. The turn signal lamp 14 may be attached to the rear of the body 11 of the motorcycle 100, with the globe 141 facing the rear of the motorcycle 100 to alert the driver of the following vehicle or pedestrian. On the one hand, when the motorcycle 100 falls down to the left and right sides, the turn signal lamp 14 is not likely to contact the ground, so that the turn signal lamp 14 is not likely to be damaged, and on the other hand, the setting position of the turn signal lamp 14 does not exceed the width of the vehicle body 11 in the width direction of the motorcycle 100, so that the windage in the running process of the motorcycle 100 can be reduced.

As shown in fig. 2, in some embodiments, a positioning post 1421 is disposed on an inner wall of the lamp housing 142, and the positioning post 1421 penetrates through the circuit board 143. The turn signal lamp 14 further comprises a locking member 147, wherein the locking member 147 penetrates through the circuit board 143 from one side of the circuit board 143 facing the lamp shade 141 and is fixed to the lamp housing 142, so that the circuit board 143 is fixed to the inner side of the lamp housing 142, and the installation stability of the circuit board 143 is improved.

Further alternatively, the locking member 147 may be a member having a connection function such as a screw or a pin.

In the embodiment with the adhesive backing and locking member 147, the lamp housing 141 is made of PMMA (polymethyl methacrylate ) material, and has a weight of 1 gram; the lamp housing 142 is made of ABS (Acrylonitri le Butadiene Styrene, acrylonitrile-butadiene-styrene copolymer) material, and has a weight of 1.5 g; the locking piece 147 is a screw made of Q235, and the weight is set to be 1 gram; the gum weight was set to 2 grams. The circuit board 143, the lamp beads 144 and the electronic components provided on the circuit board 143 constitute a circuit board, and the weight of the circuit board is set to 2 g. The total weight of the steering lamp 14 is within 10 g, and the weight of the steering lamp 14 is converted into the drawing force which is smaller than 0.1N according to the tensile load requirement of the conventional back glue and is far smaller than the tensile load requirement of the conventional back glue 28N, so that the stability of the steering lamp 14 mounted on the car body 11 is improved.

As shown in fig. 2, in some embodiments, a wire harness 148 is connected to the circuit board 143, the lamp housing 142 is provided with a through hole 1422, and the wire harness 148 passes through the through hole 1422 and is connected to an external power source, so as to supply power to the lamp beads 144.

In some embodiments, a sealing coating is provided between the inner wall of the through hole 1422 and the wire harness 148, for example, a sealing coating is filled between the inner wall of the through hole 1422 and the wire harness 148, so that contaminants such as water and dust cannot easily enter the interior of the turn signal 14.

Referring to fig. 4 to 6, in some embodiments, a circuit is disposed on the circuit board 143, and the circuit includes a transient voltage suppressor 1431 and a diode 1432, where one end of the transient voltage suppressor 1431 is connected to a voltage input terminal of the circuit, and the other end is connected to a voltage output terminal of the circuit. The diode 1432 is disposed in series with the lamp bulb 144, an anode of the diode 1432 is connected to a voltage input terminal of the circuit, a cathode of the diode 1432 is connected to the anode of the lamp bulb 144, and a cathode of the lamp bulb 144 is connected to a voltage output terminal of the circuit. "VCC" in fig. 6 represents a voltage input terminal, "GND" represents a voltage output terminal, "S1" represents a diode 1432 in fig. 5, "D1TVS" represents a transient voltage suppressor 1431 in fig. 5, and "LED1" represents a lamp bulb 144 in fig. 4.

When the voltage input end inputs voltage, current passes through the transient voltage suppressor 1431 and the diode 1432, if the turn signal lamp 14 is reversely connected, the loop is cut off, the lamp bead 144 is not lighted, the function of reversely connecting the lamp bead 144 is achieved, the circuit is simpler, and fewer electronic elements are needed to be used. When the voltage in the circuit is reversed, the tvs 1431 and the diodes 1432 can protect the circuit, so that the lamp beads 144 are not damaged while using fewer electronic components.

Further alternatively, at least two resistors 1433 disposed in parallel are further disposed on the circuit board 143, and one end of the at least two resistors 1433 is connected to the cathode of the lamp bead 144, and the other end is connected to the voltage output terminal. The plurality of resistors 1433 reduce the amount of heat dissipated by the individual resistor 1433 by shunting to reduce the current through each resistor 1433, thereby better protecting the circuit. In some embodiments, four resistors 1433 are disposed in parallel on the circuit board 143, and the four resistors 1433 are a resistor R1, a resistor R2, a resistor R3, and a resistor R4, respectively. "R1", "R2", "R3", and "R4" in fig. 6 represent the resistor 1433 in fig. 5.

In some embodiments, the tvs 1431, the diodes 1432, and the resistor 1433 are located on a side of the circuit board 143 facing away from the lamp housing 141 to reduce the effect on the light emission angle of the lamp beads 144.

As shown in fig. 7-9, in some embodiments, a plurality of beads 144 are provided, 1 resistor 1433 is provided, a plurality of beads 144 are provided in series, and a resistor 1433 is provided in series with a bead 144. The plurality of beads 144 simultaneously emit light to increase the brightness of the turn signal 14. "VCC" in fig. 7 indicates a voltage input terminal, "GND" indicates a voltage output terminal, "S1" indicates a diode 1432, "D1TVS" indicates a transient voltage suppressor 1431, "LED1", "LED2", and "LED3" indicate beads 144 in fig. 9, and "R1" indicates a resistor 1433.

As shown in fig. 8 and 9, in some embodiments, the lamp shade 141 further includes a rib 1413, where the rib 1413 is located on an inner wall of the lamp shade 141, that is, the rib 1413 is disposed on an inner wall of the cover 1412. One end of the pressing bar 1413 away from the lamp housing 141 is located at a side of the circuit board 143 facing the lamp housing 141. The inner wall of the lamp housing 142 is provided with a supporting rib 1423, the supporting rib 1423 is located on one side of the circuit board 143, which faces away from the lamp beads 144, and the supporting rib 1423 can support the circuit board 143, so that a gap is formed between the circuit board 143 and the inner wall of the lamp housing 142. The pressing ribs 1413 and the supporting ribs 1423 can press opposite sides of the circuit board 143 to limit the circuit board 143. When the steering lamp 14 shakes or the steering lamp 14 is collided during the running process of the motorcycle 100, the pressing rib 1413 and the supporting rib 1423 can limit the circuit board 143, so that the installation stability of the circuit board 143 is improved.

In some embodiments, the lamp housing 141 and the lamp housing 142 are sealed by ultrasonic welding to improve the sealing of the turn signal 14, so that external contaminants are not likely to enter the interior of the turn signal 14.

As shown in fig. 8 and 9, in some embodiments, the turn lamp 14 further includes a mounting structure 149, the mounting structure 149 including a first screw 1491, one end of the first screw 1491 being connected to the lamp housing 142, the other end of the first screw 1491 being for threaded connection with the vehicle body 11. The vehicle body 11 is provided with a screw hole (not shown) in which the first screw 1491 is fitted. Through the screw-thread fit of the first screw 1491 and the screw hole, the detachable connection of the turn signal lamp 14 and the vehicle body 11 can be realized, thereby facilitating the disassembly and assembly of the turn signal lamp 14.

As shown in fig. 8 and 9, in some embodiments, the mounting structure 149 further includes a second screw 1492 and a handle 1493, the handle 1493 having internal threads, one end of the second screw 1492 being connected to the lamp housing 142, the other end of the second screw 1492 being connected to the internal threads of the handle 1493. One end of the first screw 1491 remote from the body 11 is connected with the internal thread of the handle 1493. When the turn signal 14 is mounted or dismounted, the handle 1493 can be held to apply force to the turn signal 14 to rotate the turn signal 14, thereby facilitating the dismounting of the turn signal 14. In addition, the turn signal lamp 14 can also be used as a lamp with other functions, and in practical application, the mounting structure 149 can also be used for replacing other structures at will, so that convenient modification is realized.

As shown in fig. 8 and 9, further alternatively, the lamp housing 142 has a mounting hole 1424 communicating with the receiving cavity 145, and the mounting structure 149 further includes a screw sleeve 1494, the screw sleeve 1494 being positioned in the mounting hole 1424 and welded to an inner wall of the mounting hole 1424. One end of the second screw 1492 is connected to the lamp housing 142 by being screwed to the screw sleeve 1494. The wire harness 148 connected to the circuit board 143 passes through the mounting hole 1424, and passes through the second screw 1492, the handle 1493, and the first screw 1491, and is connected to an external power source.

As shown in fig. 8 and 9, in some embodiments, the mounting structure 149 further includes a locking member 1495 and a spacer 1496, wherein the locking member 1495 and the spacer 1496 are disposed about the first threaded rod 1491 and between the handle 1493 and the vehicle body 11. The locking member 1495 is threadedly coupled to the first threaded rod 1491, and a spacer 1496 is disposed between the locking member 1495 and the handle 1493. For example, the locking member 1495 is a nut.

When the turn signal lamp 14 is mounted on the vehicle body 11, the position of the lock member 1495 on the second screw 1492 can be adjusted according to the length of the second screw 1492 which is engaged with the screw hole of the vehicle body 11, so that the second screw 1492 is stably connected with the vehicle body 11.

In the embodiment having the second screw 1492, the turn signal 14 can be mounted at a handle, a rearview mirror, or the like of the motorcycle 100, which makes it easy to conceal the turn signal 14 without affecting the effect of the use of the turn signal 14. In addition, the mounting position of the steering lamp 14 is hidden, so that the steering lamp 14 is not easy to be directly collided when the motorcycle 100 falls down, the steering lamp 14 is not easy to be broken, and the maintenance cost is effectively reduced.

The motorcycle 100 that this embodiment provided sets up line 1411 through the lamp shade 141 inner wall at turn signal lamp 14 to the realization sends the gathering of light to lamp pearl 144, has improved the visual effect of turn signal lamp 14, and need not to increase extra spare part, thereby is convenient for reduce the whole weight of turn signal lamp 14, reduces the manufacturing cost of turn signal lamp 14. And, the overall volume of the motorcycle 100 is reduced, thereby reducing the overall package size of the motorcycle, which is advantageous in reducing the transportation cost.

In addition, other variations within the scope of the present application will be apparent to those skilled in the art, and such variations are intended to be included within the scope of the present disclosure.

Claims (10)

1. A motorcycle, comprising:

a vehicle body;

the power system is arranged on the vehicle body;

the power system can drive the walking assembly to move;

it is characterized in that the method comprises the steps of,

the motorcycle further comprises a steering lamp, the steering lamp comprises a lamp cover, a lamp shell, a circuit board and lamp beads, the lamp shell is connected to the motorcycle body, the lamp cover is connected with the lamp shell and encloses to form a containing cavity, the circuit board and the lamp beads are located in the containing cavity, the lamp beads are arranged on one side, facing the lamp cover, of the circuit board, the circuit board can control the lamp beads to emit light, and light rays emitted by the lamp beads can be emitted through the lamp cover;

the inner wall of lamp shade orientation lamp pearl is provided with the line, the line can gather the light that the lamp pearl sent, in order to reduce the diffusion angle of the light-emitting of steering lamp.

2. A motorcycle as claimed in claim 1 wherein the outer wall of the lamp housing is provided with an adhesive member, and the turn signal lamp is adhered to the vehicle body by the adhesive member.

3. A motorcycle as claimed in claim 2 wherein a plane perpendicular to the length of the motorcycle is defined as a transverse plane, and the projection of the turn signal in the length direction on the transverse plane overlaps with the projection of the vehicle body in the length direction on the transverse plane.

4. A motorcycle as claimed in claim 1 wherein said ridge includes a plurality of annular projections nested one within the other from the centre of said ridge, with a gap being formed between adjacent ones of said annular projections.

5. A motorcycle as claimed in claim 1 wherein a circuit is provided on the circuit board, the circuit comprising a transient voltage suppressor and a diode, one end of the transient voltage suppressor being connected to a voltage input terminal of the circuit and the other end being connected to a voltage output terminal of the circuit; the diode is connected with the lamp bead in series, the anode of the diode is connected with the voltage input end of the circuit, the cathode of the diode is connected with the anode of the lamp bead, and the cathode of the lamp bead is connected with the voltage output end of the circuit.

6. A motorcycle as claimed in claim 5 wherein said circuit board is further provided with at least two resistors, at least two of said resistors being arranged in parallel, and one end of at least two of said resistors being connected to the cathode of said lamp bulb and the other end being connected to said voltage output terminal.

7. The motorcycle of claim 1 wherein the steering lamp further comprises a first screw having one end connected to the lamp housing and the other end for threaded connection to the vehicle body.

8. The motorcycle of claim 7 wherein the steering lamp further comprises a second screw and a handle, the handle having internal threads, one end of the second screw being connected to the lamp housing, the other end of the second screw being connected to the internal threads of the handle; one end of the first screw, which is far away from the vehicle body, is connected with the internal thread of the handle.

9. The motorcycle of claim 1, wherein the inner wall of the lamp housing is provided with a support rib, and the support rib is positioned on the side of the circuit board facing away from the lamp beads; the support ribs can support the circuit board, so that a gap is reserved between the circuit board and the inner wall of the lamp housing.

10. The motorcycle of claim 9, wherein the inner wall of the lamp housing is provided with a pressing rib, one end of the pressing rib away from the lamp housing is positioned on one side of the circuit board facing the lamp housing, and the pressing rib and the supporting rib can press opposite two sides of the circuit board to limit the circuit board.