Integrated narrow-light-emitting thick-wall part

Abstract

The utility model belongs to the technical field of automobile lamps, and particularly relates to an integrated narrow-light-emitting thick-wall part which comprises a light incidence part, a third reflection part is arranged at the top end of the light incidence part, a third total reflection face A and a third total reflection face B are arranged on the two sides of the third reflection part respectively, and the third total reflection face A and the third total reflection face B are in an inverted triangle shape. A fourth total reflection surface A and a fourth total reflection surface B are respectively arranged on two sides of the light incident part; the first reflecting part is obliquely arranged relative to the horizontal direction, and the bottom end of the first reflecting part is communicated with the end part of the light incident part; a first total reflection surface A is arranged on the lower surface of the first reflection part, and a first total reflection surface B is arranged on the upper surface of the first reflection part; the light emitting part is horizontally arranged, and the end part of the light emitting part is communicated with the top end of the first reflecting part; the first reflection part and the third reflection part are arranged to totally reflect light for multiple times to achieve light uniformization, meanwhile, the light emitting width is increased, and the car lamp lightening effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technical field of automobile lamp, concretely relates to integral type narrow light thick wall spare. BACKGROUND

[0002] With the rapid development of automobile lamp technology, and the pursuit of the lightening effect of the car lamp of the consumer is higher and higher, the production cost and efficiency are also the urgent problems of each car lamp supplier, the existing scheme light is emitted from the LED, and then is emitted from the light emitting surface after a series of action devices, so as to reach the effect that the car lamp is lighted more uniformly.

[0003] On the traditional project, the known scheme needs to adopt a large number of LEDs, the efficiency is not high, the LED raw material cost is increased, and the circuit design is complex and the heat risk is improved. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of integral type narrow light thick wall spare, to solve the technical problem that the LED used for improving lightening effect of automobile lamp is increased, to reach the purpose that the emitted light is uniform by multiple total reflection of light, reduce cost and improve efficiency.

[0005] To solve the above technical problems, the utility model provides an integral type narrow light thick wall spare, comprising:

[0006] Light inlet portion, the light inlet portion is horizontally arranged, the top end of the light inlet portion is provided with third reflection part, the both sides of the third reflection part are respectively provided with third total reflection surface A and third total reflection surface B, the third total reflection surface A and the third total reflection surface B are inverted triangular shape;The both sides of the light inlet portion are respectively provided with fourth total reflection surface A and fourth total reflection surface B;

[0007] First reflection part, the first reflection part is inclined relative to horizontal direction arrangement, the bottom end of the first reflection part is communicated with the end of the light inlet portion;The lower surface of the first reflection part is provided with first total reflection surface A, and the upper surface of the first reflection part is provided with first total reflection surface B;

[0008] Second reflection part, the second reflection part is inclined relative to horizontal direction arrangement, the top end of the second reflection part is connected with the top end of the first reflection part;The upper surface of the second reflection part is provided with second total reflection surface A, and the lower surface of the second reflection part is provided with second total reflection surface B;

[0009] Light outlet portion, the light outlet portion is horizontally arranged, and the end of the light outlet portion is communicated with the bottom end of the second reflection part;

[0010] Part of the light rays are sequentially totally reflected by the third total reflection surface A, the fourth total reflection surface A, the second total reflection surface A and the second total reflection surface B, and then emitted from the light emitting part;

[0011] Part of the light rays are sequentially totally reflected by the third total reflection surface B, the fourth total reflection surface B, the second total reflection surface A and the second total reflection surface B, and then emitted from the light emitting part;

[0012] Part of the light rays are sequentially totally reflected by the first total reflection surface A, the first total reflection surface B, the second total reflection surface A and the second total reflection surface B, and then emitted from the light emitting part.

[0013] Further, the first total reflection surface A and the first total reflection surface B are arranged in parallel, and the first total reflection surface A and the first total reflection surface B each have an angle of 40°-50° with the horizontal direction;

[0014] The projection length of the first total reflection surface A and the first total reflection surface B in the horizontal direction and the vertical direction is equal.

[0015] Further, the second total reflection surface A and the second total reflection surface B are arranged in parallel, and the second total reflection surface A and the second total reflection surface B each have an angle less than 55° with the horizontal direction;

[0016] The projection length of the second total reflection surface A and the second total reflection surface B in the horizontal direction and the vertical direction is equal.

[0017] Further, the third total reflection surface A and the fourth total reflection surface A are arranged in parallel, and the third total reflection surface A and the fourth total reflection surface A each have an angle of 40°-50° with the horizontal direction;

[0018] The projection length of the third total reflection surface A and the fourth total reflection surface A in the horizontal direction and the vertical direction is equal.

[0019] Further, the third total reflection surface B and the fourth total reflection surface B are arranged in parallel, and the third total reflection surface B and the fourth total reflection surface B each have an angle of 40°-50° with the horizontal direction;

[0020] The projection length of the third total reflection surface B and the fourth total reflection surface B in the horizontal direction and the vertical direction is equal.

[0021] Further, the light emitting part is provided with a horizontal light collector at one end away from the second reflection part, and the light collector is in communication with the light emitting part.

[0022] Further, the light emitting part is provided with a light emitting opening at one end away from the second reflection part, and the light emitting opening is used for light emission.

[0023] Further, the light inlet part, the first reflection part, the second reflection part, the third reflection part and the light outlet part form thick wall parts, and the thick wall parts are provided in plurality, and the side walls between adjacent thick wall parts are horizontally connected.

[0024] Further, the light inlet part, the first reflection part, the second reflection part, the third reflection part and the light outlet part form thick wall parts;

[0025] The thick wall parts are provided in plurality, and the side walls between adjacent thick wall parts are connected, and the plurality of thick wall parts are in a stepped shape, and the distances between adjacent thick wall parts are equal.

[0026] Further, the first reflection part, the second reflection part and the light outlet part are all provided with light distribution patterns, stripes or skin patterns.

[0027] The beneficial effects of the present application are as follows:

[0028] 1. The first reflection part and the second reflection part are arranged, part of the light is incident on the first reflection part from the light inlet part, and is fully reflected by the first full reflection surface A and the first full reflection surface B in sequence, and then is incident into the second reflection part, and is fully reflected by the second full reflection surface A and the second full reflection surface B in sequence, and then is horizontally emitted from the light outlet part, the light is uniformly emitted after four times of full reflection, and the lighting effect is good.

[0029] 2. The third reflection part is arranged, part of the light is fully reflected by the third full reflection surface A and the fourth full reflection surface A in sequence, and then is fully reflected by the second full reflection surface A and the second full reflection surface B, and then is horizontally emitted from the light outlet part, and the width of light emission on one side is increased; similarly, part of the light is fully reflected by the third full reflection surface B and the fourth full reflection surface B in sequence, and then is fully reflected by the second full reflection surface A and the second full reflection surface B, and then is horizontally emitted from the light outlet part, and the width of light emission on the other side is increased, thereby improving the lighting effect of the vehicle lamp.

[0030] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description, and obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0032] Figure 1 is a structural schematic view of the integral narrow light-emitting thick-wall piece of the embodiment 1 of the utility model;

[0033] Figure 2 is the internal structure light path view of the embodiment 1 of the utility model;

[0034] Figure 3 is the top view of Figure 1 ;

[0035] Figure 4 is a structural schematic view of the integral narrow light-emitting thick-wall piece of the embodiment 2 of the utility model.

[0036] In the drawing:

[0037] 1, light inlet part;11, light collector;2, first reflection part;21, first total reflection surface A;22, first total reflection surface B;3, second reflection part;31, second total reflection surface A;32, second total reflection surface B;4, third reflection part;41, third total reflection surface A;42, third total reflection surface B;43, fourth total reflection surface A;44, fourth total reflection surface B;5, light outlet part;51, light outlet;6, thick-wall piece. Specific implementation

[0038] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below with the drawings, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.

[0039] Embodiment 1:

[0040] As Figures 1 to 3 shown, the integral narrow light-emitting thick-wall piece includes: light inlet part, first reflection part 2, second reflection part 3 and light outlet part 5, the light inlet part 1 is horizontally arranged, the light inlet part 1 is provided with horizontal light collector 11 at the end away from the first reflection part 2, the light collector 11 is communicated with the light inlet part 1, the light collector 11 converges light into parallel light and emits into the light inlet part 1;The light outlet part 5 is horizontally arranged, the light outlet part 5 is provided with light outlet 51 at the end away from the second reflection part 3, the light outlet 51 is used for light emission, and the light is uniformly emitted from the light outlet 51 of the light outlet part 5 after multiple total reflections in the first reflection part 2 and the second reflection part 3.

[0041] As Figure 2As shown, the first reflecting part 2 is arranged obliquely relative to the horizontal direction, the bottom end of the first reflecting part 2 is communicated with the end of the light inlet part 1, and the first reflecting part 2 is arranged on the left side of the light inlet part 1; the lower surface of the first reflecting part 2 is provided with a first total reflection surface A21, and the upper surface of the first reflecting part 2 is provided with a first total reflection surface B22, both of which are attached to the inner wall of the first reflecting part 2; the first total reflection surface A21 and the first total reflection surface B22 are arranged in parallel, and the angle between the first total reflection surface A21 and the first total reflection surface B22 and the horizontal direction is 45°; the projection length of the first total reflection surface A21 and the first total reflection surface B22 in the horizontal direction and the vertical direction are equal.

[0042] The second reflecting part 3 is arranged between the first reflecting part 2 and the light outlet part 5, and the second reflecting part 3 is arranged obliquely relative to the horizontal direction, the top end of the second reflecting part 3 is connected with the top end of the first reflecting part 2, and the bottom end of the second reflecting part 3 is communicated with the end of the light outlet part 5, and the second reflecting part 3 is arranged on the left side of the first reflecting part 2; the upper surface of the second reflecting part 3 is provided with a second total reflection surface A31, and the lower surface of the second reflecting part 3 is provided with a second total reflection surface B32, both of which are attached to the inner wall of the second reflecting part 3; the second total reflection surface A31 and the second total reflection surface B32 are arranged in parallel, the angle between the second total reflection surface A31 and the second total reflection surface B32 and the horizontal direction is less than 55°, and the projection length of the second total reflection surface A31 and the second total reflection surface B32 in the horizontal direction and the vertical direction are equal.

[0043] The light rays directed to the first reflecting part 2 enter the second reflecting part 3 after being totally reflected by the first total reflection surface A21 and the first total reflection surface B22 in turn, and then are totally reflected by the second total reflection surface A31 and the second total reflection surface B32 in the second reflecting part 3 in turn, and then horizontally exit from the light outlet part 5.

[0044] As Figure 3As shown, the top end of the light inlet part 1 is provided with a third reflection part 4, both sides of the third reflection part 4 are respectively provided with a third total reflection surface A41 and a third total reflection surface B42, the third total reflection surface A41 and the third total reflection surface B42 are inverted triangular; both sides of the light inlet part 1 are respectively provided with a fourth total reflection surface A43 and a fourth total reflection surface B44, the fourth total reflection surface A43 and the fourth total reflection surface B44 are respectively arranged on the outside of the third total reflection surface A41 and the third total reflection surface B42; the third total reflection surface A41 and the fourth total reflection surface A43 are arranged in parallel, the third total reflection surface A41 and the fourth total reflection surface A43 are both at an angle of 45° with the horizontal direction, the projection length of the third total reflection surface A41 and the fourth total reflection surface A43 in the horizontal direction and the vertical direction are equal; the third total reflection surface B42 and the fourth total reflection surface B44 are arranged in parallel, the third total reflection surface B42 and the fourth total reflection surface B44 are both at an angle of 45° with the horizontal direction, the projection length of the third total reflection surface B42 and the fourth total reflection surface B44 in the horizontal direction and the vertical direction are equal.

[0045] Among them, part of the light rays incident on the third reflection part 4 are totally reflected by the third total reflection surface A41 and the fourth total reflection surface A43 in turn and then enter the second reflection part 3 from the light outlet part 5; part of the light rays are totally reflected by the third total reflection surface B42 and the fourth total reflection surface B44 in turn and then enter the second reflection part 3 from the light outlet part 5; the light rays entering the second reflection part 3 from the third reflection part 4 are totally reflected by the second total reflection surface A31 and the second total reflection surface B32 in turn and then exit from the light outlet part 5; at least one of the first reflection part 2, the second reflection part 3 and the third reflection part 4 is provided with a light distribution pattern, a stripe or a skin pattern.

[0046] In this embodiment, the light inlet part 1, the first reflection part 2, the second reflection part 3, the third reflection part 4 and the light outlet part 5 form thick-walled parts 6, the thick-walled parts 6 are provided in plurality, the side walls between adjacent thick-walled parts 6 are horizontally connected, the light rays enter the thick-walled parts 6, are totally reflected by the first reflection part 2, the second reflection part 3 and the third reflection part 4 multiple times and then exit from the thick-walled parts 6, so that the light rays are more uniform, and the lighting effect of the vehicle lamp is improved; the second reflection part 3 and the light outlet part 5 are both provided with a light distribution pattern, a stripe or a skin pattern, and the light distribution pattern, the stripe or the skin pattern improves the uniformity of the light rays.

[0047] Embodiment 2:

[0048] As Figure 4The difference between the embodiment 1 and the embodiment 2 is that the light inlet part 1, the first reflecting part 2, the second reflecting part 3, the third reflecting part 4 and the light outlet part 5 form thick wall parts 6; the thick wall parts 6 are arranged in plurality, the side walls between the adjacent thick wall parts 6 are connected, the plurality of thick wall parts 6 are in a stepped shape, the distances between the adjacent thick wall parts 6 are equal; since the car lamp shapes are various, when the car lamp shape is inclined, the light outlet surface is an inclined surface, the light outlet of the stepped thick wall part 6 is an inclined surface, the angle between the thick wall part 6 and the horizontal plane is adjusted to match the light outlet surface of the car lamp, the position of the LED is moved according to the angle of the inclination, the distance gap is kept to keep the optical path equal, the light emitting effect is more uniform, and the light distribution pattern, the stripe or the skin improves the uniformity of the light.

[0049] In summary, the light is converged into parallel light by the light collector 11 and enters the light inlet part 1, the light entering the first reflecting part 2 is fully reflected by the first full reflection surface A21 and the first full reflection surface B22 in sequence and then enters the second reflecting part 3, the light is fully reflected by the second full reflection surface A31 and the second full reflection surface B32 in the second reflecting part 3 and then horizontally exits from the light outlet part 5; part of the light entering the third reflecting part 4 is fully reflected by the third full reflection surface A41 and the fourth full reflection surface A43 in sequence and then enters the second reflecting part 3 from the light outlet part 5; part of the light is fully reflected by the third full reflection surface B42 and the fourth full reflection surface B44 in sequence and then enters the second reflecting part 3 from the light outlet part 5; the light entering the second reflecting part 3 from the third reflecting part 4 is fully reflected by the second full reflection surface A31 and the second full reflection surface B32 in sequence and then exits from the light outlet part 5; the light is fully reflected at least four times in the thick wall part, so that the emitted light is uniform and the lighting effect is good, and the width of the emitted light is increased after the light is fully reflected in the third reflecting part 4, thereby improving the lighting area of the car lamp.

[0050] The various devices selected in the application are all general standard devices or components known to those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0051] In the description of the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0052] In the description of the utility model, it is necessary to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0053] Based on the above ideal embodiments of the utility model, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. An integrated narrow light output thick walled member characterized by, The application relates to a light guide device, which comprises: a light inlet part (1) horizontally arranged, the top end of the light inlet part (1) being provided with a third reflection part (4), the two sides of the third reflection part (4) being respectively provided with a third total reflection surface A (41) and a third total reflection surface B (42), the third total reflection surface A (41) and the third total reflection surface B (42) being in an inverted triangular shape; the two sides of the light inlet part (1) are respectively provided with a fourth total reflection surface A (43) and a fourth total reflection surface B (44); a first reflection part (2) arranged obliquely relative to the horizontal direction, the bottom end of the first reflection part (2) being communicated with the end of the light inlet part (1); the lower surface of the first reflection part (2) is provided with a first total reflection surface A (21), and the upper surface of the first reflection part (2) is provided with a first total reflection surface B (22); a second reflection part (3) arranged obliquely relative to the horizontal direction, the top end of the second reflection part (3) being connected with the top end of the first reflection part (2); the upper surface of the second reflection part (3) is provided with a second total reflection surface A (31), and the lower surface of the second reflection part (3) is provided with a second total reflection surface B (32); a light outlet part (5) horizontally arranged, the end of the light outlet part (5) being communicated with the bottom end of the second reflection part (3); wherein part of light rays are totally reflected from the light outlet part (5) after being totally reflected by the third total reflection surface A (41), the fourth total reflection surface A (43), the second total reflection surface A (31) and the second total reflection surface B (32) in sequence; part of light rays are totally reflected from the light outlet part (5) after being totally reflected by the third total reflection surface B (42), the fourth total reflection surface B (44), the second total reflection surface A (31) and the second total reflection surface B (32) in sequence; part of light rays are totally reflected from the light outlet part (5) after being totally reflected by the first total reflection surface A (21), the first total reflection surface B (22), the second total reflection surface A (31) and the second total reflection surface B (32) in sequence.

2. The unitary thin-walled light-extraction member of claim 1, wherein The first total reflection surface A (21) and the first total reflection surface B (22) are arranged in parallel, and the included angle between the first total reflection surface A (21) and the first total reflection surface B (22) and the horizontal direction is 40-50 degrees; the projection length of the first total reflection surface A (21) and the first total reflection surface B (22) in the horizontal direction and the vertical direction is equal.

3. The unitary thin-walled light-extraction member of claim 1, wherein The second total reflection surface A (31) and the second total reflection surface B (32) are arranged in parallel, and the included angle between the second total reflection surface A (31) and the second total reflection surface B (32) and the horizontal direction is less than 55 degrees; the projection length of the second total reflection surface A (31) and the second total reflection surface B (32) in the horizontal direction and the vertical direction is equal.

4. The unitary thin-walled light-extraction member of claim 1, wherein The third total reflection surface A (41) is arranged in parallel with the fourth total reflection surface A (43), and the third total reflection surface A (41) and the fourth total reflection surface A (43) each have an angle of 40-50° with the horizontal direction; The third total reflection surface A (41) and the fourth total reflection surface A (43) have equal projection lengths in the horizontal direction and the vertical direction.

5. The unitary thin-walled light-extraction member of claim 1, wherein The third total reflection surface B (42) is arranged in parallel with the fourth total reflection surface B (44), and the third total reflection surface B (42) and the fourth total reflection surface B (44) each have an angle of 40-50° with the horizontal direction; The third total reflection surface B (42) and the fourth total reflection surface B (44) have equal projection lengths in the horizontal direction and the vertical direction.

6. The unitary thin-walled light-extraction member of claim 1, wherein The light inlet portion (1) is provided with a horizontal light collector (11) at one end away from the first reflection portion (2), and the light collector (11) communicates with the light inlet portion (1).

7. The unitary thin-walled light-extracting structure of claim 1, wherein The light outlet portion (5) is provided with a light outlet (51) at one end away from the second reflection portion (3), and the light outlet (51) is used for light emission.

8. The unitary thin-walled light-extraction member of claim 1, wherein The light inlet portion (1), the first reflection portion (2), the second reflection portion (3), the third reflection portion (4) and the light outlet portion (5) form thick-walled parts (6), and the thick-walled parts (6) are arranged in multiple, and the side walls between adjacent thick-walled parts (6) are horizontally connected.

9. The unitary thin-walled light-extracting structure of claim 1, wherein The light inlet portion (1), the first reflection portion (2), the second reflection portion (3), the third reflection portion (4) and the light outlet portion (5) form thick-walled parts (6); The thick-walled parts (6) are arranged in multiple, and the side walls between adjacent thick-walled parts (6) are connected, and multiple thick-walled parts (6) are in a stepped shape, and the distances between adjacent thick-walled parts (6) are equal.

10. The unitary thin-walled light-extracting structure of claim 1, wherein The second reflection portion (3) and the light outlet portion (5) are each provided with a light distribution pattern, a stripe or a skin pattern.

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