Light-emitting structure of car lamp

By using an integrated design of the reflective and light-transmitting parts and the application of a metal reflective layer, the problem of poor assembly precision in thick-walled lens headlights has been solved, resulting in more stable and reliable light propagation and uniform light emission, while reducing production costs.

CN223814585UActive Publication Date: 2026-01-20GAC TOYOTA MOTOR
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Patent Information

Application Number
CN202520603175.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-20
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing uniform light-emitting vehicle headlight designs based on thick-walled lens structures suffer from limited light-emitting performance due to poor assembly precision of optical components.

Method used

The design employs a thick-walled lens with the reflective and light-transmitting parts integrally formed, and a metal reflective layer is set on the side of the reflective part facing the light source assembly, which reduces the number of optical components, simplifies the production process, and improves assembly accuracy.

Benefits of technology

It improves the stability and reliability of the headlight's light-emitting structure, ensures precise light reflection and propagation, enhances the consistency and uniformity of the light-emitting effect, and reduces manufacturing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a car lamp light-emitting structure, and relates to the technical field of car accessories, the car lamp light-emitting structure comprises a lamp housing, an outer lampshade, a light source assembly and a thick-wall lens, the outer lampshade is connected with the lamp housing, the outer lampshade and the lamp housing are enclosed to form a mounting cavity, and the outer lampshade is provided with a light-transmitting area; the light source assembly is located in the mounting cavity and used for emitting light. The thick-wall lens is located in the installation cavity and comprises a reflection part and a light-transmitting part, and the reflection part and the light-transmitting part are integrally formed. According to the technical scheme, the design that the reflecting part and the light transmitting part are integrally formed is adopted, the metal reflecting layer is directly arranged on the side, facing the light source assembly, of the reflecting part, and therefore the number of optical components is reduced, errors caused by assembly of a plurality of independent optical components are reduced, the assembly precision is greatly improved, and the production cost is reduced. The light-emitting structure of the whole automobile lamp is more stable and reliable, it is ensured that light can be reflected and spread more accurately, and the consistency and uniformity of the light-emitting effect are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, especially relates to a car light light-emitting structure. BACKGROUND

[0002] With the rapid development of automobile light technology, and the increasing demand of customers for the appearance of the car light, the design of the car light gradually evolves from the early more blunt, point light-emitting form to the new shape with stronger line, uniform light-emitting and strong three-dimensional feeling. In order to meet these needs, more and more car light designs use multi-LED (Light-Emitting Diode, LED) light source thick wall lens structure to realize more complex and beautiful lighting effect. However, the existing uniform light-emitting car light design scheme based on thick wall lens structure is limited in actual application due to the poor assembly precision of optical components. SUMMARY

[0003] The main purpose of the utility model is to provide a car light light-emitting structure, which aims to solve the problem of how to improve the assembly precision of optical components.

[0004] To achieve the above purpose, the utility model provides a car light light-emitting structure, which comprises:

[0005] A lamp shell;

[0006] An outer lamp cover connected with the lamp shell, and the outer lamp cover and the lamp shell form an installation cavity, and the outer lamp cover is provided with a light-transmitting area;

[0007] A light source assembly located in the installation cavity, the light source assembly is used for emitting light;

[0008] A thick wall lens located in the installation cavity, the thick wall lens is an integral forming part, the thick wall lens comprises a reflecting part and a light-transmitting part, the light source assembly is connected with the reflecting part, the light-transmitting part is connected with the lamp shell, the reflecting part is provided with a metal reflecting layer on one side facing the light source assembly, the light-transmitting part is provided with a light inlet surface on one end close to the reflecting part, the light-transmitting part is provided with a light outlet surface on one end away from the reflecting part, and the light outlet surface is arranged to face the light-transmitting area, so that the light emitted by the light source assembly is reflected to the light inlet surface through the metal reflecting layer and then emitted to the light-transmitting area through the light outlet surface.

[0009] In an embodiment, the metal reflecting layer comprises an aluminum plating layer.

[0010] In an embodiment, the light inlet surface is provided with a diverging pattern.

[0011] In an embodiment, the light-transmitting part comprises a body and a connecting piece, the body is provided with the light-incoming surface near one end of the reflecting part, the body is provided with the light-outcoming surface far from the one end of the reflecting part, and the body is detachably connected with the lamp housing through the connecting piece.

[0012] In an embodiment, the lamp housing comprises a shell and a fastener, the outer lamp cover is connected with the shell, and the outer lamp cover and the shell enclose the mounting cavity, the connecting piece is provided with a first mounting hole, the shell is provided with a second mounting hole, and the fastener passes through the first mounting hole and the second mounting hole to limit the movement of the connecting piece relative to the shell.

[0013] In an embodiment, the light source assembly comprises a light-emitting piece and a circuit board, the circuit board is connected with the reflecting part, the light-emitting piece is electrically connected with the circuit board, the light-emitting piece is used for emitting light, and the light-emitting piece is arranged towards the metal reflecting layer.

[0014] In an embodiment, the circuit board is detachably connected with the reflecting part.

[0015] In an embodiment, the vehicle lamp light-emitting structure further comprises a decorative ring, the decorative ring is detachably connected with the light-transmitting part, and the decorative ring is arranged towards the light source assembly so that the decorative ring can shield the light source assembly.

[0016] In an embodiment, the decorative ring is provided with a boss, the boss extends towards the light-transmitting part, the light-transmitting part is provided with a through hole for the boss to pass through, and the boss abuts against the hole wall of the through hole.

[0017] In an embodiment, the lamp housing is sealingly connected with the outer lamp cover.

[0018] In the embodiment of the utility model, the lamp shell is the shell part of the car lamp, provides physical protection and support function for the internal components of the car lamp, the lamp shell and the outer lamp shade form the mounting cavity, thereby ensuring the safety and stability of the internal components, the outer lamp shade can be set as the light transmission region as a whole, or can be set as the light transmission region partially, the light transmission region allows the light emitted by the light source assembly to pass through, thereby realizing the lighting function, the thick wall lens is the core component of the car lamp light emitting structure, contains the reflection part and the light transmission part, both are integrally formed parts, and the metal reflection layer is directly arranged on the side of the reflection part facing the light source assembly, since the reflection part and the light transmission part are integrally formed, the number of optical components and the assembly steps are reduced, the assembly precision is greatly improved, the error caused by manual or mechanical installation is reduced, the production process is simplified, the manufacturing cost is reduced, the metal reflection layer can efficiently reflect the light from the light source assembly, in the left and right directions, the light transmission part is provided with the light inlet surface near one end of the reflection part, and is provided with the light outlet surface away from the other end of the reflection part, and the light outlet surface is arranged towards the light transmission region, this design ensures that the reflected light can enter the light transmission part from the light inlet surface, realizes the three-dimensional light emitting effect after the internal propagation of the light transmission part, and finally is emitted from the light outlet surface to the light transmission region on the outer lamp shade, the propagation path of the light is optimized, the lighting effect is enhanced, and it is especially suitable for application scenarios requiring high uniformity and stereoscopic feeling. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0020] Figure 1 It is the structural schematic diagram of the embodiment of the utility model car lamp light emitting structure;

[0021] Figure 2Another view structure schematic view of the embodiment of the car light emitting structure of the utility model;

[0022] Figure 3 The cross section schematic view of the embodiment of the car light emitting structure of the utility model.

[0023] Explanation of the reference signs:

[0024] 100, car light emitting structure, 1, lamp shell, 11, shell, 111, second mounting hole, 12, fastener, 2, outer lampshade, 21, light transmission area, 3, mounting cavity, 4, light source assembly, 41, light emitting part, 42, circuit board, 5, thick wall lens, 51, reflection part, 511, metal reflection layer, 5111, aluminized layer, 52, light transmission part, 521, body, 5211, light inlet surface, 52111, diffusion pattern, 5212, light outlet surface, 5213, through hole, 522, connecting piece, 5221, first mounting hole, 6, decorative ring, 61, boss.

[0025] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the embodiment. Specific implementation

[0026] The technical scheme in the embodiment of the utility model will be described clearly and completely in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not 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 belong to the scope of the utility model protection.

[0027] It should be noted that if the embodiment of the utility model involves directional indication (such as up, down, left, right, front, back), the directional indication is only used to explain the relative position relationship, movement condition and the like between the components in a certain posture, if the certain posture changes, then the directional indication also changes accordingly.

[0028] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0029] With the rapid development of automobile lamp technology, and the increasing demand of customers for the appearance of car lamp, the design of car lamp gradually evolves from the early blunt, point light form to the new shape with stronger line, uniform light and strong three-dimensional feeling. In order to meet these needs, more and more car lamp design adopts the structure of multi-LED light source thick wall lens to realize more complex and beautiful lighting effect. However, the existing uniform light car lamp design scheme based on thick wall lens structure is limited in actual application due to the poor assembly precision of optical components.

[0030] After careful research by the applicant, it is found that the conventional uniform light car lamp design based on thick wall lens structure is usually used to realize the three-dimensional light effect, and the optical components thereof include thick wall inner lens and reflector. Although this design scheme can realize better three-dimensional light effect, it has significant limitations: this scheme depends on the accurate alignment of the two optical components of reflector and thick wall inner lens, which is difficult to install and prone to error, resulting in poor assembly precision and affecting the final light effect. In addition, due to the need of two independent optical components, the manufacturing cost is high.

[0031] The main purpose of the utility model is to provide a car lamp light structure to solve the problem of how to improve the assembly precision of optical components.

[0032] Please refer to Figure 3In the embodiment of the utility model, the car lamp light emitting structure 100 includes lamp shell 1, outer lamp shade 2, light source assembly 4 and thick wall lens 5, outer lamp shade 2 is connected with lamp shell 1, and outer lamp shade 2 and lamp shell 1 form mounting cavity 3, and outer lamp shade 2 is provided with light transmission area 21;Light source assembly 4 is located in mounting cavity 3, and light source assembly 4 is used to emit light rays;Thick wall lens 5 is located in mounting cavity 3, and thick wall lens 5 is an integral forming part, and thick wall lens 5 includes reflection part 51 and light transmission part 52, light source assembly 4 is connected with reflection part 51, light transmission part 52 is connected with lamp shell 1, reflection part 51 is provided with metal reflection layer 511 on the side towards light source assembly 4, light transmission part 52 is provided with light inlet face 5211 on the end close to reflection part 51, light transmission part 52 is provided with light outlet face 5212 on the end away from reflection part 51, and light outlet face 5212 is provided towards light transmission area 21, so that the light rays emitted by light source assembly 4 are reflected to light inlet face 5211 through metal reflection layer 511 and then emitted to light transmission area 21 through light outlet face 5212.

[0033] In the embodiment of the utility model, lamp shell 1 is used as the shell part of car lamp, provides physical protection and support function for the internal components of car lamp, and lamp shell 1 and outer lamp shade 2 form mounting cavity 3, thereby ensuring the safety and stability of internal components, outer lamp shade 2 can be integrally provided as light transmission area 21, or partially provided as light transmission area 21, light transmission area 21 allows the light rays emitted by light source assembly 4 to pass through, thereby realizing the lighting function, thick wall lens 5 is the core component of car lamp light emitting structure 100, including reflection part 51 and light transmission part 52, which are an integral forming part, and metal reflection layer 511 is directly arranged on the side of reflection part 51 towards light source assembly 4, since reflection part 51 and light transmission part 52 are integrally formed, the number of optical components and assembly steps are reduced, the assembly precision is greatly improved, the error caused by manual or mechanical installation is reduced, the production process is simplified, the manufacturing cost is reduced, and metal reflection layer 511 can efficiently reflect the light rays from light source assembly 4, as shown in FIG. Figure 3 The light transmission part 52 is provided with light inlet face 5211 on the end close to reflection part 51 and light outlet face 5212 on the end away from reflection part 51 in the left-right direction, and light outlet face 5212 is provided towards light transmission area 21, which ensures that the reflected light rays can enter light transmission part 52 from light inlet face 5211, realize the three-dimensional light emitting effect after propagating inside light transmission part 52, and finally exit from light outlet face 5212 to light transmission area 21 on outer lamp shade 2, which optimizes the propagation path of light rays and enhances the lighting effect, and is especially suitable for application scenarios requiring high uniformity and stereoscopic effect.

[0034] The technical scheme of the utility model discloses a reflective part 51 and light-transmitting part 52 integrally formed design, and the metal reflecting layer 511 is directly arranged on the side of the reflective part 51 towards the light source assembly 4, the number of optical components is reduced, thereby reducing the error caused by the assembly of multiple independent optical components, greatly improving the assembly precision, which makes the whole car light emitting structure 100 more stable and reliable, ensures that the light can be more accurately reflected and propagated, improves the consistency and uniformity of the light emitting effect, in addition, since the reflective part 51 and the light-transmitting part 52 are integrally formed, not only the production process is simplified, the manufacturing cost is reduced, but also the demand for high-precision assembly equipment is reduced, further saving the production cost, the design enhances the reliability and practicality of the car light emitting structure 100 product, and makes it have significant advantages and broad market prospects in practical application.

[0035] In the embodiment, the metal reflecting layer 511 can be connected with the reflective part 51 by coating, plating or pasting, which is not limited in the embodiment.

[0036] In the embodiment, the car light emitting structure 100 is not only limited to the traditional vehicle lighting and signal functions, but also can be applied to various types of car light systems, such as daytime running light, front position light, front turn signal, rear position light, brake light, rear turn signal and other traditional car light systems, so that the car light emitting structure 100 has wide applicability and flexibility in practical application.

[0037] Please refer to Figure 1 In an embodiment, the metal reflecting layer 511 includes an aluminum plating layer 5111; specifically, the aluminum plating layer 5111 has high reflectivity, which can maximize the reflection of the light emitted by the light source assembly 4 to the light-incident surface 5211 of the thick-wall lens 5, reduces the loss of light energy, improves the overall light efficiency, and the efficient light reflection makes more light enter the light-transmitting part 52 and finally exit from the light-incident surface 5212, thereby enhancing the overall light emitting effect of the car light, especially suitable for application scenarios requiring high brightness and uniformity, the aluminum plating layer process is relatively mature, simple to operate and controllable, further simplifying the production process of the car light, reducing the production difficulty, and low cost, and easy to mass production, compared with other high reflectivity materials, the aluminum plating layer 5111 is more economical while meeting the performance requirements, and the aluminum plating layer 5111 has good corrosion resistance and stability, can maintain the reflection performance under the condition of long-time work of the car light, prolongs the service life of the product, and can also adapt to the use demand of the car light in various harsh environments, ensures that the car light can maintain stable light emitting effect under different conditions.

[0038] According to the embodiment of the utility model, the metal reflection layer 511 includes a gold plating layer, a silver plating layer or a copper plating layer, the gold plating layer, the silver plating layer or the copper plating layer is arranged on the side of the reflection part 51 facing the light source assembly 4, thereby realizing efficient reflection of light and enhancing the overall light emitting effect of the vehicle lamp.

[0039] Please refer to Figure 2 In an embodiment, the light entrance surface 5211 is provided with a diverging pattern 52111; specifically, the diverging pattern 52111 is an optical structure design that usually changes the propagation path of light through specific geometric shapes (such as vertical stripes, horizontal stripes or grid patterns, etc.), the diverging pattern 52111 is directly integrated on the light entrance surface 5211 without the need for additional optical elements or assembly steps, thereby reducing performance fluctuations caused by assembly errors, simplifying the design of the overall optical system, reducing manufacturing complexity, and improving the reliability and consistency of the product; when light is reflected from the metal reflection layer 511 to the light entrance surface 5211, the diverging pattern 52111 will diverge the light to some extent, making the light more uniform entering the light transmission part 52 of the thick-walled lens 5; this design can effectively reduce the unevenness of light propagation inside the light transmission part 52, avoid excessive concentration of light or local bright spots, and ultimately improve the uniformity of light emitted from the light exit surface 5212; by optimizing the distribution of light, the light transmission area 21 of the vehicle lamp presents a more three-dimensional and aesthetic effect, meeting the high requirements of modern automobiles for appearance and light design; in this embodiment, the diverging pattern 52111 can be formed directly on the light entrance surface 5211 through injection molding, laser engraving or other precision machining processes; the design of the pattern can be optimized according to actual needs, for example, by adjusting the depth, density and shape of the pattern to control the divergence angle and distribution effect of the light; in this embodiment, the diverging pattern 52111 can adopt the form of vertical stripes to achieve the ideal light diffusion effect.

[0040] Please refer to Figures 1 to 3 In an embodiment, the light transmission part 52 includes a body 521 and a connecting piece 522, the body 521 is provided with a light entrance surface 5211 at one end close to the reflection part 51, the body 521 is provided with a light exit surface 5212 at one end away from the reflection part 51, and the body 521 is detachably connected with the lamp shell 1 through the connecting piece 522; specifically, the body 521 is the core part of the thick-walled lens 5, responsible for the propagation and distribution of light, such as Figure 3As shown, the connecting piece 522 is located at the lower end of the body 521, and its main function is to detachably connect the body 521 with the lamp shell 1. Since the connecting piece 522 is located at the lower end of the body 521, the design of the connecting piece 522 will not affect the path of the light from the light-in surface 5211 into and out of the light-out surface 5212, ensuring the continuity and uniformity of the light propagation, avoiding additional light energy loss, and also enabling the light-transmitting part 52 to be conveniently installed and detached, facilitating maintenance and replacement, simplifying the assembly steps in the production process, reducing the demand for high-precision assembly equipment, and also reducing the cost of later maintenance, improving the economy of the product. The stable connection of the connecting piece 522 ensures that the body 521 is accurately and stably positioned after installation, reducing loosening or misalignment caused by vibration or external impact, and improving the reliability and service life of the product.

[0041] Please refer to Figure 1 and Figure 3 In an embodiment, the lamp shell 1 comprises a shell 11 and a fastener 12, the outer lamp shade 2 is connected with the shell 11, and the outer lamp shade 2 and the shell 11 enclose the mounting cavity 3. The connecting piece 522 is provided with a first mounting hole 5221, and the shell 11 is provided with a second mounting hole 111. The fastener 12 passes through the first mounting hole 5221 and the second mounting hole 111 to limit the movement of the connecting piece 522 relative to the shell 11. Specifically, the cooperative design of the first mounting hole 5221 and the second mounting hole 111 ensures the accurate alignment between the connecting piece 522 and the shell 11, reduces the error caused by manual or mechanical installation, thereby improving the assembly accuracy of the entire vehicle lamp light emitting structure 100. The use of the fastener 12 limits the movement of the connecting piece 522 relative to the shell 11, ensuring the firm connection between the connecting piece 522 and the shell 11, avoiding loosening or misalignment caused by vibration or external impact, and improving the reliability of the product. The use of the fastener 12 and the first mounting hole 5221 and the second mounting hole 111 in the connecting manner simplifies the installation and removal process, reduces the demand for high-precision assembly equipment in the production process, and also reduces the cost of later maintenance, improving the economy and use convenience of the product. In this embodiment, the fastener 12 can be a bolt or a limiting pin, and the specific selection of the fastener 12 is not limited in this embodiment.

[0042] According to an embodiment of the present application, the connecting piece 522 and the lamp shell 1 can be detachably connected through buckling, slot, clamp or other mechanical fixing methods.

[0043] Please refer to Figure 1 and Figure 3In an embodiment, the light source assembly 4 comprises a light emitting member 41 and a circuit board 42, the circuit board 42 is connected with the reflecting part 51, the light emitting member 41 is electrically connected with the circuit board 42, the light emitting member 41 is used for emitting light, and the light emitting member 41 is arranged towards the metal reflecting layer 511; specifically, the light emitting member 41 is the core component of the light source assembly 4, which is responsible for emitting light, the circuit board 42 is used for carrying and electrically connecting the light emitting member 41, providing power supply and control signal, the circuit board 42 is directly connected with the reflecting part 51, ensuring that the light emitted by the light emitting member 41 can accurately irradiate on the metal reflecting layer 511, the position of the light emitting member 41 is designed to directly face the metal reflecting layer 511, ensuring that the light can be efficiently reflected to the light-incident surface 5211 of the thick-wall lens 5, reducing the loss of light energy and improving the utilization rate of light efficiency, by optimizing the light propagation path, more light enters the thick-wall lens 5 and finally emits from the light- emitting surface 5212, enhancing the overall light emitting effect of the vehicle lamp, especially suitable for application scenarios that require high brightness and uniformity, in the assembly process, the light emitting member 41 is first installed on the circuit board 42, and then the circuit board 42 is installed on the reflecting part 51, the stable connection between the circuit board 42 and the reflecting part 51 ensures the accuracy and stability of the position of the light emitting member 41, reduces the displacement or looseness caused by vibration or external impact, and improves the reliability of the product; in this embodiment, the light emitting member 41 usually adopts multiple high-brightness LEDs, so as to provide sufficient light intensity and uniformity to meet the needs of vehicle lamp lighting.

[0044] Please refer to Figure 1 and Figure 3 In an embodiment, the circuit board 42 and the reflecting part 51 are detachably connected; specifically, the detachable design allows the relative position of the circuit board 42 and the reflecting part 51 to be checked and adjusted at any time during production and use, ensuring that the light path between the light emitting member 41 and the metal reflecting layer 511 always remains in the best state, thereby improving the reliability and service life of the product, and the detachable connection enables the circuit board 42 to be quickly installed or detached, when the light emitting member 41 needs to be replaced or the circuit board 42 needs to be repaired, without damaging the entire vehicle lamp light emitting structure 100, greatly improving the convenience of use, in addition, the detachable connection is usually combined with positioning devices such as positioning holes, marker points, etc., simplifying the assembly steps in the production process, reducing the need for high-precision assembly equipment, ensuring that the circuit board 42 can be accurately aligned with the reflecting part 51 every time it is installed, reducing errors caused by manual operation, thereby improving the performance stability of the optical system; in this embodiment, the circuit board 42 and the reflecting part 51 can be detachably connected through screws, buckles, slots or other mechanical fixing methods, which are not limited in this embodiment.

[0045] Please refer to Figures 1 to 3In an embodiment, the vehicle lamp light emitting structure 100 further comprises a decorative ring 6, the decorative ring 6 is detachably connected with the light-transmitting part 52, and the decorative ring 6 is arranged towards the light source assembly 4, so that the decorative ring 6 can shield the light source assembly 4; specifically, the decorative ring 6 is used to shield the light source assembly 4, preventing the user from directly seeing the internal structure of the light source assembly 4 from the outside, thereby improving the overall appearance design of the vehicle lamp and making it more delicate and beautiful, meeting the requirements of modern automobiles on appearance modeling, such as Figure 3 As shown in the figure, the decorative ring 6 and the light source assembly 4 are oppositely arranged on both sides of the light-transmitting part 52 along the left-right direction, and the decorative ring 6 is arranged on the upper side of the light propagation path, ensuring that the decorative ring 6 can effectively shield the light source assembly 4 without affecting the normal light propagation path. The detachable connection between the decorative ring 6 and the light-transmitting part 52 allows the decorative ring 6 to be quickly installed or removed, without damaging the entire vehicle lamp light emitting structure 100 when replacement or maintenance is required, greatly improving the convenience of use, simplifying the assembly steps in the production process, reducing the demand for high-precision assembly equipment, and further reducing maintenance costs.

[0046] Please refer to Figure 2 and Figure 3 In an embodiment, the decorative ring 6 is provided with a boss 61 extending towards the light-transmitting part 52, the light-transmitting part 52 is provided with a through hole 5213 for the boss 61 to pass through, and the boss 61 abuts against the hole wall of the through hole 5213; specifically, the cooperation between the boss 61 and the through hole 5213 ensures accurate positioning of the decorative ring 6 during installation, avoiding position deviation caused by manual operation, thereby improving the performance stability of the optical system. After the boss 61 passes through the through hole 5213, it abuts against the hole wall, forming a firm mechanical connection that prevents the decorative ring 6 from loosening or falling off due to vibration or external impact, improving the reliability of the product. Without the need for additional fasteners 12 or complex assembly equipment, the installation can be completed by simply inserting the boss 61 into the through hole 5213, simplifying the assembly process, improving production efficiency, reducing material and production costs, and in this embodiment, the size, shape, number, etc. of the boss 61 and the through hole 5213 can be adjusted according to actual needs to adapt to the needs of different vehicle models or application scenarios, thereby enhancing the adaptability and flexibility of the product.

[0047] According to an embodiment of the present application, the decorative ring 6 and the light-transmitting part 52 can be detachably connected by screwing, buckling or other mechanical fixing methods.

[0048] Please refer to Figure 3In an embodiment, the lamp shell 1 is sealingly connected with the outer lamp shade 2; specifically, the lamp shell 1 and the outer lamp shade 2 can be sealingly connected in a manner of welding, sealing glue or sealing ring, which is not limited in the embodiment. The sealing connection of the lamp shell 1 and the outer lamp shade 2 can effectively prevent external moisture and dust from entering the interior of the vehicle lamp, reduce the risk of failure caused by external factors, improve the reliability and durability of the product, and ensure that the vehicle lamp can still work normally under various adverse weather conditions. In the embodiment, the lamp shell 1 and the outer lamp shade 2 can be sealingly connected by sealing glue. The sealing glue not only provides sealing performance, but also has a certain adhesive strength, so as to ensure that the lamp shell 1 and the outer lamp shade 2 are firmly combined, and the process is simple and the operation is convenient.

[0049] The above description is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the technical concept of the utility model, and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A vehicle lamp light emitting structure, characterized by, The vehicle lamp light emitting structure comprises: a lamp shell; an outer lamp cover connected with the lamp shell, and the outer lamp cover and the lamp shell form an installation cavity, and the outer lamp cover is provided with a light transmission area; a light source assembly located in the installation cavity, and the light source assembly is used for emitting light; a thick-wall lens located in the installation cavity, the thick-wall lens is an integral forming part, the thick-wall lens comprises a reflection part and a light transmission part, the light source assembly is connected with the reflection part, the light transmission part is connected with the lamp shell, the reflection part is provided with a metal reflection layer on a side facing the light source assembly, the light transmission part is provided with a light inlet surface on an end close to the reflection part, the light transmission part is provided with a light outlet surface on an end away from the reflection part, and the light outlet surface faces the light transmission area, so that the light emitted by the light source assembly is reflected to the light inlet surface through the metal reflection layer and then emitted to the light transmission area through the light outlet surface.

2. The light emitting structure of claim 1, wherein The metal reflection layer comprises an aluminum plating layer.

3. The light emitting structure of claim 1, wherein The light inlet surface is provided with a diverging pattern.

4. The vehicle lamp light emitting structure of claim 1, wherein The light transmission part comprises a body and a connecting piece, the body is provided with the light inlet surface on an end close to the reflection part, the body is provided with the light outlet surface on an end away from the reflection part, and the body is detachably connected with the lamp shell through the connecting piece.

5. The vehicle lamp light emitting structure of claim 4, wherein The lamp shell comprises a shell and a fastener, the outer lamp cover is connected with the shell, and the outer lamp cover and the shell form the installation cavity, the connecting piece is provided with a first installation hole, the shell is provided with a second installation hole, and the fastener passes through the first installation hole and the second installation hole to limit the movement of the connecting piece relative to the shell.

6. The vehicle lamp light emitting structure according to any one of claims 1 to 5, wherein The light source assembly comprises a light emitting piece and a circuit board, the circuit board is connected with the reflection part, the light emitting piece is electrically connected with the circuit board, the light emitting piece is used for emitting light, and the light emitting piece faces the metal reflection layer.

7. The light emitting structure of claim 6, wherein The circuit board is detachably connected with the reflection part.

8. The vehicle lamp light emitting structure according to any one of claims 1 to 5, wherein The vehicle lamp light emitting structure further comprises a decorative ring, the decorative ring is detachably connected with the light transmission part, and the decorative ring faces the light source assembly, so that the decorative ring can shield the light source assembly.

9. The light emitting structure of claim 8, wherein, The decorative ring is provided with a boss extending towards the light transmission part, the light transmission part is provided with a through hole for the boss to pass through, and the boss abuts against a hole wall of the through hole.

10. The vehicle lamp light emitting structure according to any one of claims 1 to 5, wherein The lamp shell is sealingly connected with the outer lamp cover.