Tail lamp

Abstract

The tail lamp comprises a shell, a light transmitting part and a light source, the shell is provided with a light outlet and a light inlet, the light transmitting part is arranged on the shell and provided with a light outlet face and a light inlet face, the light outlet face protrudes out of the light outlet and is a convex face, and the light source is arranged on the shell and located on the light inlet face of the light transmitting part. According to the tail lamp, the light rays emitted by the light source can be converged, the light ray converging effect is better, and therefore the light emitting effect of the tail lamp can be improved, the warning effect can be more effectively achieved, and the safety of bicycle running is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail light technical field, concretely relates to a tail light. BACKGROUND

[0002] Two-wheeled vehicles, such as bicycles and motorcycles, are commonly used by people as transportation and transport tools, and due to the small size of the vehicle, they have good maneuverability, and compared with four-wheeled vehicles, two-wheeled vehicles occupy less road resources, are more flexible to drive, and are more controllable.

[0003] Due to the small size of two-wheeled vehicles, when driving at night or in low-visibility environments, the light of the tail light is needed to give warning signals to other vehicles, so that the vehicles behind can see the tail of the vehicle and avoid unnecessary safety accidents. It can be said that the normal use of the tail light is of great significance to the driving safety of the driver. Among them, when the tail light is applied to a bicycle, since the bicycle does not have a strong power source like a motorcycle, the tail light of the bicycle usually only has the ability to passively reflect light. Even if some can provide power through a battery, the lighting effect is poor and cannot effectively play a warning role. SUMMARY

[0004] The utility model aims at providing a tail light, which aims to solve the problem of poor lighting effect of the existing bicycle tail light.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A tail light is provided, comprising:

[0007] A shell is provided with a light outlet and a light inlet;

[0008] A light-transmitting piece is provided in the shell, the light-transmitting piece has a light-outgoing surface and a light-ingoing surface, the light-outgoing surface protrudes from the light outlet, and the light-outgoing surface is a convex surface;

[0009] A light source is provided in the shell, and the light source is located on the light-ingoing surface of the light-transmitting piece.

[0010] Optionally, the light-transmitting piece is provided with a plurality of grooves, the plurality of grooves are all provided on the light-ingoing surface, and the plurality of grooves are uniformly distributed along the horizontal direction.

[0011] Optionally, the area of the light-ingoing surface is greater than the area of the light-outgoing surface.

[0012] Optionally, the upper surface of the light-transmitting piece is inclined downward from the side of the light-ingoing surface to the light-outgoing surface, and the inside of the shell is provided with a containing groove matched with the shape of the light-transmitting piece.

[0013] Optionally, the light-transmitting piece is made of acrylic.

[0014] Optionally, the light-transmitting member is a glass member.

[0015] Optionally, the shell is made of non-transparent material.

[0016] Optionally, the light source is an LED lamp bead.

[0017] Optionally, the tail lamp further comprises a mounting member, and the mounting member is arranged on the shell.

[0018] Optionally, the tail lamp further comprises a circuit board, and the circuit board is arranged on the mounting member and electrically connected with the LED lamp bead.

[0019] Compared with the prior art, the tail lamp has the following beneficial effects:

[0020] In the tail lamp, the light source and the light-transmitting member are arranged, the light-transmitting member is arranged inside the shell, the light-emitting surface of the light-transmitting member protrudes from the light-emitting opening of the shell, the light emitted by the light source is emitted through the light-emitting surface of the light-transmitting member after being reflected and refracted inside the shell, the light-transmitting member plays a role of converging light, the light-emitting surface of the light-transmitting member is a convex surface, and the same role of converging light as a convex lens can be played, compared with the prior art that the light cannot be converged, the tail lamp can converge the light emitted by the light source, the effect of converging light is better, the light-emitting effect of the tail lamp is improved, the warning effect is more effectively played, and the safety of bicycle driving is improved. In addition, by reducing the light-emitting area and using the structure that the light beams are gathered to the light-emitting part, the visibility can be improved, and the design freedom of the vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Fig. 1 Fig. 1 is a structural schematic view of the tail lamp of the present application;

[0023] Fig. 2 Fig. 2 is an exploded schematic view of the tail lamp of the present application;

[0024] Fig. 3 Fig. 3 is a schematic view of the light convergence principle of the tail lamp of the present application.

[0025] In the figure: 1, the shell; 11, light outlet; 2, light-transmitting part; 21, light outlet surface; 22, light inlet surface; 23, groove; 3, light source; 4, mounting part; 5, circuit board. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0028] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0029] The present application will be described below in conjunction with Figs. 1-3 The tail light of the present application is described.

[0030] As Figs. 1-3 shown, the present application provides a tail light, comprising a shell 1, a light-transmitting part 2 and a light source 3, the shell 1 is provided with a light outlet 11 and a light inlet, the light-transmitting part 2 is arranged in the shell 1, the light-transmitting part 2 has a light outlet surface 21 and a light inlet surface 22, the light outlet surface 21 protrudes from the light outlet 11, the light outlet surface 21 is a convex surface, the light source 3 is arranged in the shell 1, and the light source 3 is located at the light inlet surface 22 of the light-transmitting part 2.

[0031] For the convenience of explanation, in the present embodiment, each orientation is as Fig. 1 shown, the light outlet 11 is located at the rear side of the light inlet, and the light outlet surface 21 is located at the rear side of the light inlet surface 22.

[0032] In the tail light provided in the embodiment, the light source 3 and the light-transmitting piece 2 are arranged, the light-transmitting piece 2 is arranged inside the shell 1, the light-emitting surface 21 of the light-transmitting piece 2 protrudes from the light-emitting opening 11 of the shell 1, the light emitted by the light source 3 is emitted through the light-emitting surface 21 of the light-transmitting piece 2 after being reflected and refracted inside the shell 1, the light-transmitting piece 2 plays a role of converging light, and the light-emitting surface 21 of the light-transmitting piece 2 is a convex surface, which can play the same role of converging light as a convex lens. Compared with the existing bicycle tail light which cannot converge light, the tail light provided in the embodiment can converge the light emitted by the light source 3, the effect of converging light is better, so that the light-emitting effect of the tail light can be improved, the warning effect can be more effectively played, and the safety of bicycle driving is improved.

[0033] In some embodiments, the light-transmitting piece 2 is provided with a plurality of grooves 23, the plurality of grooves 23 are arranged on the light-incident surface 22, and the plurality of grooves 23 are uniformly distributed along the horizontal direction. Specifically, the grooves 23 extend along the up-down direction, the cross section of the groove 23 is triangular, and the plurality of grooves 23 are arranged on the light-incident surface 22 of the light-transmitting piece 2 along the left-right direction. The grooves 23 can play a role of refraction, can better converge the light emitted by the light source 3, and further improve the convergence effect of the light.

[0034] In some embodiments, the area of the light-incident surface 22 is greater than the area of the light-emitting surface 21, the light-incident surface 22 can better converge the light emitted by the light source 3, and the area of the light-emitting surface 21 is smaller than the area of the light-incident surface 22, so that the light-transmitting piece 2 can converge the light at the light-emitting opening 11, and the convergence effect is better.

[0035] In some embodiments, the upper surface of the light-transmitting piece 2 is downwardly inclined from the light-incident surface 22 to the side of the light-emitting surface 21, and the inside of the shell 1 is provided with a receiving groove matched with the shape of the light-transmitting piece 2. Specifically, the upper surface of the light-transmitting piece 2 is downwardly inclined from front to back, which can be more conveniently installed in the shell 1, and the convergence effect of the light is better.

[0036] In some embodiments, the light-transmitting piece 2 is made of acrylic, and the light-transmitting effect is good.

[0037] In some embodiments, the light-transmitting piece 2 is made of glass, and the light-transmitting effect is good.

[0038] In some embodiments, the shell 1 is made of non-transparent material, the light emitted by the light source 3 is reflected when reaching the inner wall of the shell 1, and is emitted through the light-emitting surface 21 of the light-transmitting piece 2 after multiple reflections. The shell 1 made of non-transparent material can further improve the convergence effect of the light.

[0039] In some embodiments, the light source 3 is an LED lamp bead, which has low energy consumption and is more suitable for bicycle tail lights, and has good light-emitting effect.

[0040] In some embodiments, the tail lamp further comprises a mounting member 4 arranged on the shell 1, facilitating installation.

[0041] In some embodiments, the tail lamp further comprises a circuit board 5 arranged on the mounting member 4, the circuit board 5 being electrically connected with the LED lamp beads, so as to better control the light source 3.

[0042] The above description is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A tail light, characterized in that The tail lamp comprises: a shell (1) provided with a light outlet (11) and a light inlet; a light-transmitting piece (2) provided in the shell (1), the light-transmitting piece (2) having a light outlet surface (21) and a light inlet surface (22), the light outlet surface (21) protruding from the light outlet (11), the light outlet surface (21) being a convex surface; a light source (3) provided in the shell (1), the light source (3) being located at the light inlet surface (22) of the light-transmitting piece (2).

2. The tail light of claim 1, wherein The light-transmitting piece (2) is provided with a plurality of grooves (23), the plurality of grooves (23) being uniformly distributed along the horizontal direction.

3. The tail light of claim 1, wherein The area of the light inlet surface (22) is greater than the area of the light outlet surface (21).

4. The tail light of claim 1, wherein The upper surface of the light-transmitting piece (2) is downwardly inclined from the light inlet surface (22) to the side of the light outlet surface (21), and the interior of the shell (1) is provided with a receiving groove matched with the shape of the light-transmitting piece (2).

5. The tail light of claim 1, wherein The light-transmitting piece (2) is made of acrylic.

6. The tail light of claim 1, wherein The light-transmitting piece (2) is made of glass.

7. The tail light of claim 1, wherein The shell (1) is made of non-transparent material.

8. The tail light of claim 1, wherein The light source (3) is an LED lamp bead.

9. The tail light of claim 8, wherein, The tail lamp further comprises a mounting piece (4) provided in the shell (1).

10. The tail light of claim 9, wherein, The tail lamp further comprises a circuit board (5) provided in the mounting piece (4), the circuit board (5) being electrically connected with the LED lamp bead.

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