Optical module and vehicle lamp
By setting a limit structure on the side walls of the reflective components, the problem of inaccurate alignment between the pins and holes of the car lamp parts is solved, rapid alignment and production efficiency are achieved, and time and labor costs are reduced.
Patent Information
- Application Number
- CN202422262416.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-14
AI Technical Summary
In the prior art, the inaccurate alignment of the pins and holes of the car lamp components requires visual calibration of the human eye, resulting in slowing down the production beat and increasing time and labor costs.
The limiting structure is provided on different side walls of the reflecting member, including the limiting body and the limiting groove, and the relative position of the reflecting member and the bracket is defined through the limiting structure to ensure that the pin and the socket are quickly aligned.
It has achieved the convenience of parts installation and improved production efficiency, saved time and labor costs, and simplified the production process.
Smart Images
Figure CN223153374U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of automotive lighting, and particularly to an optical module and a vehicle lamp. Background Art
[0002] Diversified pin hole structures such as positioning pins and positioning columns are often integrated between various components in a vehicle lamp to accurately position the relative positions of two parts. However, during installation, the pins and holes are misaligned, and manual calibration by visual inspection is required, resulting in a slower production rhythm and increased time costs.
[0003] Therefore, improvements to the existing technology are needed. Summary of the Utility Model
[0004] The present application aims to solve at least one of the technical problems existing in the prior art, and provides an optical module and a vehicle lamp.
[0005] According to one aspect of the present application, there is provided an optical module having a preset direction. The optical module includes a bracket and a reflecting component. The bracket includes a bearing plate and a mounting plate. The preset direction is parallel to the bearing plate, and the reflecting component is disposed on the bearing plate. Wherein, the reflecting component is limited in its relative position with the bearing plate in the preset direction by at least two groups of limiting structures; the mounting plate is disposed opposite to the side wall of the reflecting component, and at least two side walls of the reflecting component are provided with the limiting structures; the limiting structure includes a limiting body and a limiting groove, the limiting body is inserted into the limiting groove, the limiting body is disposed on one of the side wall of the reflecting component and the mounting plate, and the limiting groove is disposed on the other of the side wall of the reflecting component and the mounting plate.
[0006] In one embodiment, the limiting groove has a first groove section and a second groove section adjacent to each other, and the second groove section is disposed between the first groove section and the bearing plate; in the direction from the first groove section to the bearing plate, the groove width dimension of the first groove section remains unchanged, and the groove width dimension of the second groove section gradually increases.
[0007] In one embodiment, the first groove section has two first walls disposed opposite to each other, and the second groove section has two second walls disposed opposite to each other; the included angle α between the adjacent first wall and the second wall satisfies: 135° ≤ α ≤ 170°.
[0008] In one embodiment, in the direction perpendicular to the bearing plate, the dimension of the limiting groove is h1 mm, and the dimension of the second groove section is h2 mm, satisfying: 2 ≤ h1 / h2 ≤ 4.
[0009] In one embodiment, when the limiting body is inserted into the limiting groove, the portion of the limiting body located on the side of the second groove section away from the bearing plate has a dimension of h3 mm in the direction perpendicular to the bearing plate; the dimension of the first groove section in the direction perpendicular to the bearing plate is h4 mm, satisfying: 0.5 ≤ h3 / h4 ≤ 1.1.
[0010] In one embodiment, in the preset direction, the distance between the surface of the limiting body and the groove wall of the limiting groove is W mm, satisfying: 0.2 ≤ W ≤ 1.0.
[0011] In one embodiment, in the direction perpendicular to the bearing plate, the dimension of the limiting body is h5 mm, satisfying: h5 > h1, and when the limiting body is inserted into the limiting groove, the end of the limiting body away from the bearing plate is substantially flush with the end of the limiting groove away from the bearing plate.
[0012] In one embodiment, the first groove section further has a third wall, the third wall is connected between the two first walls, and the orthographic projection of the third wall on the plane where the bearing plate is located is an arc section;
[0013] The second groove section further has a fourth wall, the fourth wall is connected between the two second walls, and the orthographic projection of the fourth wall on the plane where the bearing plate is located is a sector;
[0014] When the limiting body is inserted into the limiting groove, the orthographic projection of the surface of the limiting body facing the third wall on the plane where the bearing plate is located is an arc section.
[0015] In one embodiment, the limiting body has a guiding connection portion and a limiting portion, the guiding connection portion is arranged at the end of the limiting portion away from the bearing plate; the guiding connection portion tapers from the limiting portion in the direction away from the bearing plate.
[0016] According to another aspect of the present application, there is provided a vehicle lamp, including the optical module described in any one of the foregoing.
[0017] The beneficial effects of the present application are as follows: By providing limiting structures on different side walls of the reflecting component to define the relative position between the reflecting component and the bracket in the preset direction, and further determine the installation position between the plug pin and the jack, it can ensure that the plug pin and the jack are quickly aligned, making the installation of parts more convenient, accelerating the overall production rhythm, and saving time and labor costs; the limiting structure includes a limiting groove and a limiting body inserted into the limiting groove, with a simple structure, and the limiting groove is provided on one of the side wall of the reflecting component and the mounting plate, and the limiting body is provided on one of the side wall of the reflecting component and the mounting plate. In this way, when the reflecting component is installed on the bracket, it is easier to observe the insertion fit between the limiting groove and the limiting body, improving production efficiency. Description of the Drawings
[0018] Combined with the accompanying drawings, through a detailed description of the specific embodiments of the present application, the technical solutions and other beneficial effects of the present application will become obvious.
[0019] Figure 1 It is a schematic diagram of an optical module provided by an embodiment of the present application.
[0020] Figure 2 is Figure 1 an enlarged view of part A in
[0021] Figure 3 is Figure 1 the top view of
[0022] Figure 4 is Figure 3 an enlarged view of part D in
[0023] Figure 5 is Figure 3 the sectional view taken along line B - B in
[0024] Figure 6 is Figure 5 an enlarged view of part E in
[0025] Figure 7 is Figure 3 the sectional view taken along line C - C in
[0026] Figure 8 is Figure 7 an enlarged view of part F in
[0027] Figure 9 It is an exploded view of an optical module provided by an embodiment of the present application.
[0028] Figure 10 is Figure 9 an enlarged view of part G in
[0029] Figure 11 is Figure 9 an enlarged view of part H in
[0030] Figure 12 It is a schematic diagram of a reflection component provided by an embodiment of the present application.
[0031] Figure 13 is Figure 12 an enlarged view of part J in
[0032] In the figure:
[0033] 10. Bracket; 11. Carrier plate; 12. Mounting plate;
[0034] 20. Reflection component;
[0035] 30. Limiting structure; 31. Limiting body; 311. Guiding and connecting part; 312. Limiting part; 32. Limiting groove; 321. First groove section; 3211. First wall; 3212. Third wall; 322. Second groove section; 3221. Second wall; 3222. Fourth wall;
[0036] 40. Plug; 41. Pin hole; 42. Printed circuit board. Specific embodiments
[0037] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.
[0038] In the description of the present application, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0039] Next, the optical module and vehicle lamp in the present application will be described in detail in conjunction with the accompanying drawings and specific embodiments.
[0040] In the prior art, when two parts in a vehicle lamp are installed, the plug and pin hole used for positioning the two parts cannot be quickly and accurately positioned, reducing the production efficiency.
[0041] To solve the above technical problems, the present application provides an optical module with a preset direction. The optical module includes a bracket and a reflection component. The bracket includes a carrier plate and a mounting plate. The preset direction is parallel to the carrier plate, and the reflection component is disposed on the carrier plate. Wherein, the reflection component is limited in its relative position with the carrier plate in the preset direction by at least two groups of limiting structures; the mounting plate is disposed opposite to the side wall of the reflection component, and at least two side walls of the reflection component are provided with the limiting structures; the limiting structure includes a limiting body and a limiting groove, the limiting body is inserted into the limiting groove, the limiting body is disposed on one of the side wall of the reflection component and the mounting plate, and the limiting groove is disposed on the other of the side wall of the reflection component and the mounting plate. By providing the limiting structures on different side walls of the reflection component to limit the relative position between the reflection component and the bracket in the preset direction, and further determining the installation position between the plug pin and the jack hole, it can ensure that the plug pin and the jack hole are quickly aligned, making the part installation more convenient, accelerating the overall production rhythm, and saving time and labor costs; the limiting structure includes a limiting groove and a limiting body inserted into the limiting groove, with a simple structure, and the limiting groove is disposed on one of the side wall of the reflection component and the mounting plate, and the limiting body is disposed on one of the side wall of the reflection component and the mounting plate. With such a setting, when the reflection component is installed on the bracket, it is easier to observe the insertion fit between the limiting groove and the limiting body, improving the production efficiency. The following will be elaborated in detail.
[0042] Refer to Figure 1 and Figure 2, in one embodiment, the optical module includes a bracket 10 and a reflection component 20. The bracket 10 includes a mounting plate 12 and a carrier plate 11. The optical module has a preset direction, which is parallel to the carrier plate 11 (the preset direction is any direction parallel to the carrier plate 11). The reflection component 20 is disposed on the carrier plate 11. The reflection component 20 is limited in its relative position with respect to the carrier plate 11 in the preset direction by at least two sets of limiting structures 30. At least two side walls of the reflection component 20 (the side walls of the reflection component 20 are disposed opposite to the mounting plate 12) are provided with the limiting structures 30. By providing a plurality of limiting structures 30 on different side walls of the reflection component 20, the reflection component 20 can be limited on the carrier plate 11, avoiding the movement of the reflection component 20 in the preset direction. Furthermore, when the reflection component 20 is mounted on the carrier plate 11, the precise positioning of the plug 40 and the pin hole 41 is ensured, so that the plug 40 can be accurately and quickly inserted into the pin hole 41, improving the assembly efficiency. In this embodiment, there are two sets of limiting structures 30, and the two sets of limiting structures 30 are respectively disposed on opposite side walls of the reflection component 20. The limiting structure 30 includes a limiting body 31 and a limiting groove 32. The limiting body 31 is inserted into the limiting groove 32. The limiting body 31 is disposed on the mounting plate 12, and the limiting groove 32 is disposed on the side wall of the reflection component 20. During installation, the reflection component 20 is moved closer to the carrier plate 11 along the insertion direction (the direction perpendicular to the carrier plate 11, the same below). During this process, the limiting body 31 is first inserted into the limiting groove 32. When the limiting body 31 is limited by the limiting groove 32 (i.e., in the preset direction, the reflection component 20 is stationary relative to the carrier plate 11), the installation positions of the plug 40 and the pin hole 41 are determined (as Figure 11 shown, the plug 40 is aligned with the pin hole 41). The reflection component 20 continues to move along the insertion direction until the reflection component 20 is installed in place. At this time, the plug 40 is inserted into the pin hole 41. Through the cooperation of the limiting groove 32 and the limiting body 31, the positions of the plug 40 and the pin hole 41 can be accurately positioned, without the need for human eye visual alignment, improving the production efficiency and reducing the time cost.
[0043] It should be noted that, in some embodiments, a plurality of the above-mentioned limiting structures 30 may also be provided and disposed on a plurality of side walls of the reflection component 20, as long as the relative position of the reflection component 20 and the carrier plate 11 in the preset direction can be limited, and it is not limited thereto. At the same time, in some embodiments, the limiting body 31 may be disposed on the side wall of the reflection component 20, and the limiting groove 32 may be disposed on the mounting plate 12; or in some embodiments, the limiting body 31 of one set of the limiting structures 30 is disposed on the side wall of the reflection component 20, and the limiting body 31 of the other set of the limiting structures 30 is disposed on the mounting plate 12, and it is not limited thereto.
[0044] Refer to Figure 5 and Figure 6, in one embodiment, the limiting groove 32 has a first groove section 321 and a second groove section 322 adjacent to each other, and the second groove section 322 is arranged between the first groove section 321 and the carrier plate 11; in the direction from the first groove section 321 to the carrier plate 11 (i.e., Figure 6 downward in the perspective), the groove width dimension of the first groove section 321 remains unchanged, and the groove width dimension of the second groove section 322 gradually increases. With such a setting, the second groove section 322 has a flared opening, which can guide the limiting body 31 into the first groove section 321, improving the installation efficiency. The unchanged groove width dimension of the first groove section 321 can ensure the stability of the limiting body 31 in the first groove section 321, guarantee the limiting effect of the limiting groove 32 on the limiting body 31, and further realize the relative position between the reflecting component 20 and the carrier.
[0045] It should be noted that the groove widths of the first groove section 321 and the second groove section 322 are the lateral ( Figure 6 in the perspective) dimensions of the first groove section 321 and the second groove section 322. The groove width of the second groove section 322 gradually increases, linearly in this embodiment. At this time, the groove wall of the second groove section 322 is planar. In some embodiments, other forms of setting are also possible. For example, the groove width of the second groove section 322 increases non-linearly, with the increase amplitude being small first and then large. At this time, the groove wall of the second groove section 322 is convex, and it is not limited to this.
[0046] Referring to Figure 6 、 Figure 9 and Figure 10 , in one embodiment, the first groove section 321 has two first walls 3211 arranged oppositely, and the second groove section 322 has two second walls 3221 arranged oppositely. The included angle α between the first wall 3211 and the second wall 3221 adjacent to each other (on the same side) satisfies: 135° ≤ α ≤ 170°, such as 135°, 145°, 160°, 170°, etc. When the value of α is less than 135°, the opening of the second groove section 322 is too large, which is not conducive to the guiding effect of the second groove section 322 on the limiting body 31, the guiding effect weakens, and the wear between the parts (the limiting body 31 and the second groove section 322) will be aggravated; when the value of α is greater than 170°, the opening of the second groove section 322 is too small, and the two relatively arranged second walls 3221 tend to be parallel, having no guiding effect on the insertion of the limiting body 31, which is not conducive to the improvement of production efficiency. It has been verified that when 135° ≤ α ≤ 170°, the second groove section 322 has a good guiding effect on the limiting body 31, and at the same time, it will not aggravate the contact wear between the limiting body 31 and the second groove section 322.
[0047] Referring to Figure 6, in the direction perpendicular to the carrier plate 11, the size of the limiting groove 32 is h1 mm, and the size of the second groove section 322 is h2 mm, satisfying: 2 ≤ h1 / h2 ≤ 4, such as 2, 3, 4, etc. In this embodiment, h1 is a fixed value. When the value of h1 / h2 is less than 2, the size of h2 is too large. At this time, the size of the first groove section 321 in the direction perpendicular to the carrier plate 11 is too small, and the limiting effect of the first wall 3211 on the limiting body 31 is weakened, which is not conducive to the stability of the limit between the limiting body 31 and the limiting groove 32, that is, not conducive to the stability of the relative position between the reflection component 20 and the carrier plate 11, affecting the positioning of the plug pin 40 and the pin hole 41; when the value of h1 / h2 is greater than 4, the size of h2 is too small, and the guiding effect of the second groove section 322 on the limiting body 31 is weakened, which is not conducive to the improvement of production efficiency. It has been verified that when 2 ≤ h1 / h2 ≤ 4, it can not only ensure that the first groove section 321 has a good limiting effect on the limiting body 31, but also ensure that the second groove section 322 has a good guiding effect on the limiting body 31, improving production efficiency.
[0048] Refer to Figure 6 , when the limiting body 31 is inserted into the limiting groove 32, the size of the part of the limiting body 31 located on the side away from the carrier plate 11 of the second groove section 322 (that is, the part of the limiting body 31 located above the second groove section 322) in the direction perpendicular to the carrier plate 11 is h3 mm, and the size of the first groove section 321 in the direction perpendicular to the carrier plate 11 is h4 mm, satisfying: 0.5 ≤ h3 / h4 ≤ 1.1, such as 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, etc. For the convenience of description, in this embodiment, the value of h4 remains unchanged. When the value of h3 / h4 is less than 0.5, the value of h3 is too small, and the part of the limiting body 31 for limiting (that is, the part of the limiting body 31 located above the second groove section 322) is too small, which is not conducive to the stability of the limit between the limiting body 31 and the limiting groove 32, that is, not conducive to the stability of the relative position between the reflection component 20 and the carrier plate 11, affecting the positioning of the plug pin 40 and the pin hole 41, and when the value of h3 is too small during the insertion operation of the limiting body 31 and the limiting groove 32, it is not easy to find the limiting body 31, affecting the insertion operation between the limiting body 31 and the limiting groove 32; when the value of h3 / h4 is greater than 1.1, the value of h3 is too large. After the insertion of the limiting body 31 and the limiting groove 32 is completed, the limiting body 31 will protrude from the limiting groove 32 a lot, and the limiting body 31 is redundant, causing material waste and being not conducive to the arrangement and installation of the remaining components. It has been verified that when 0.5 ≤ h3 / h4 ≤ 1.1, while ensuring the effective limit of the limiting body 31 to the limiting groove 32, the redundancy of the limiting body 31 can be avoided, reducing the production cost.
[0049] Refer to Figure 3 and Figure 4, in one embodiment, in the preset direction, the distance between the surface of the limiting body 31 and the groove wall of the limiting groove 32 is W mm, satisfying: 0.2 ≤ W ≤ 1.0, such as 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, etc. When the value of W is less than 0.2, the distance between the limiting body 31 and the limiting groove 32 is too small, which increases the difficulty of inserting the limiting body 31 into the limiting groove 32; when the value of W is greater than 1.0, the distance between the limiting body 31 and the limiting groove 32 is too large, which reduces the limiting effect of the limiting groove 32 on the limiting body 31. It has been verified that when 0.2 ≤ W ≤ 1.0, while ensuring the smooth insertion between the limiting body 31 and the limiting groove 32, the limiting effect of the limiting groove 32 on the limiting body 31 can be ensured.
[0050] Refer to Figure 7 and Figure 8 , in one embodiment, the dimension of the limiting body 31 in the direction perpendicular to the bearing plate 11 is h5 mm, satisfying: h5 > h1, and when the limiting body 31 is inserted into the limiting groove 32, the end of the limiting body 31 far from the bearing plate 11 is substantially flush with the end of the limiting groove 32 away from the bearing. Such a setting can ensure the limiting effect of the limiting body 31 on the limiting groove 32, and at the same time, the end of the limiting body 31 far from the bearing plate 11 is not redundant and will not affect the layout and installation of other components.
[0051] It should be noted that in this embodiment, "substantially flush" means that the limiting body 31 and the top of the limiting groove 32 ( Figure 8 in the perspective) can be set to be flush, or the top of the limiting body 31 is slightly lower than the top of the limiting groove 32, or the top of the limiting body 31 is slightly higher than the top of the limiting groove 32.
[0052] Refer to Figure 9 , Figure 10 , Figure 12 and Figure 13 , in one embodiment, the first groove section 321 further has a third wall 3212, the third groove wall is connected between the two first walls 3211, and the positive projection of the third wall 3212 on the plane where the bearing plate 11 is located is an arc segment, that is, the third wall 3212 is an arc surface. When the limiting body 31 is inserted into the limiting groove 32, such a setting can reduce the wear between the limiting body 31 and the limiting groove 32; the second groove section 322 further has a fourth wall 3222, the fourth wall 3222 is connected between the two second walls 3221, and the positive projection of the fourth wall 3222 on the plane where the bearing plate 11 is located is an arc segment. Such a setting can guide the limiting body 31 into the limiting groove 32 and at the same time reduce the wear between the limiting body 31 and the limiting groove 32; when the limiting body 31 is inserted into the limiting groove 32, the positive projection of the surface of the limiting body 31 facing the third wall 3212 on the plane where the bearing plate 11 is located is an arc segment (such as Figure 4As shown, the wear between the limiting body 31 and the limiting groove 32 during insertion is reduced.
[0053] Referring to Figure 10 , in an embodiment, the limiting body 31 has a guiding portion 311 and a limiting portion 312. The guiding portion 311 is disposed at one end of the limiting portion 312 away from the bearing plate 11, and the guiding portion 311 narrows from the limiting portion 312 in a direction away from the bearing plate 11. With such a setting, the guiding portion 311 can smoothly guide the limiting body 31 into the limiting groove 32, and the wear between the limiting body 31 and the limiting groove 32 during insertion is reduced.
[0054] In some embodiments, the limiting portion 312 may also narrow from the bearing plate 11 towards the guiding portion 311. With such a setting, it further ensures that the limiting body 31 smoothly enters the limiting groove 32, and it is only necessary to ensure the limiting effect of the limiting groove 32 on the limiting body 31, not limited to this.
[0055] On the other hand, the present application also relates to a vehicle lamp, including any one of the foregoing optical modules, and the vehicle lamp further includes a printed circuit board 42.
[0056] Adopting the technical solution provided by the embodiment of the present application, by providing a limiting structure 30 on different side walls of the reflecting member 20 to define the relative position between the reflecting member 20 and the bracket 10 in a preset direction, and further determining the installation position between the plug 40 and the socket, it can ensure that the plug 40 and the socket are quickly aligned, making the installation of parts more convenient, accelerating the overall production rhythm, and saving time and labor costs; the limiting structure 30 includes a limiting groove 32 and a limiting body 31 inserted into the limiting groove 32, with a simple structure, and the limiting groove 32 is provided on one of the side wall of the reflecting member 20 and the mounting plate 12, and the limiting body 31 is provided on one of the side wall of the reflecting member 20 and the mounting plate 12. With such a setting, when the reflecting member 20 is installed on the bracket 10, it is easier to observe the insertion fit between the limiting groove 32 and the limiting body 31, improving production efficiency.
[0057] In each embodiment of the present application, if there is no special description and logical conflict, the terms or descriptions between different embodiments are consistent and can be mutually referred to, and the technical features in different embodiments can be combined to form a new embodiment according to their internal logical relationship. In the present application, "at least one" means one or more, and "a plurality" means two or more.
[0058] It can be understood that in the embodiments of the present application, the various numerical numbers involved are only for the convenience of description and do not limit the scope of the embodiments of the present application. The size of the serial numbers of the above processes does not mean the sequence of execution, and the execution sequence of each process should be determined according to its function and internal logic.
[0059] The above has introduced the optical module and the vehicle headlamp provided by the embodiments of the present application in detail. Specific examples are used in this text to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the present application and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.
Claims
1. An optical module, characterized in that, Having a preset direction, the optical module includes: A bracket, including a carrier plate and a mounting plate, the preset direction being parallel to the carrier plate; and A reflecting member disposed on the carrier plate; Wherein, the reflecting member is limited in its relative position with the carrier plate in the preset direction by at least two sets of limiting structures; the mounting plate is disposed opposite to the side wall of the reflecting member, and at least two side walls of the reflecting member are provided with the limiting structures; the limiting structure includes a limiting body and a limiting groove, the limiting body is inserted into the limiting groove, the limiting body is disposed on one of the side wall of the reflecting member and the mounting plate, and the limiting groove is disposed on the other of the side wall of the reflecting member and the mounting plate.
2. The optical module according to claim 1, wherein The limiting groove has a first groove section and a second groove section adjacent to each other, and the second groove section is disposed between the first groove section and the carrier plate; In the direction from the first groove section to the carrier plate, the groove width dimension of the first groove section remains unchanged, and the groove width dimension of the second groove section gradually increases.
3. The optical module according to claim 2, wherein The first groove section has two first walls disposed opposite to each other, and the second groove section has two second walls disposed opposite to each other; The included angle α between the adjacent first wall and the second wall satisfies: 135° ≤ α ≤ 170°.
4. The optical module according to claim 2, wherein In the direction perpendicular to the carrier plate, the dimension of the limiting groove is h1 mm, and the dimension of the second groove section is h2 mm, satisfying: 2 ≤ h1 / h2 ≤ 4.
5. The optical module according to claim 2, wherein When the limiting body is inserted into the limiting groove, the dimension of the part of the limiting body located on the side of the second groove section away from the carrier plate in the direction perpendicular to the carrier plate is h3 mm; the dimension of the first groove section in the direction perpendicular to the carrier plate is h4 mm, satisfying: 0.5 ≤ h3 / h4 ≤ 1.
1.
6. The optical module according to claim 1, wherein In the preset direction, the distance between the surface of the limiting body and the groove wall of the limiting groove is W mm, satisfying: 0.2 ≤ W ≤ 1.
0.
7. The optical module according to claim 4, wherein In the direction perpendicular to the carrier plate, the dimension of the limiting body is h5 mm, satisfying: h5 > h1, and when the limiting body is inserted into the limiting groove, the end of the limiting body away from the carrier plate is substantially flush with the end of the limiting groove away from the carrier plate.
8. The optical module according to claim 3, wherein The first groove section further has a third wall, the third wall is connected between the two first walls, and the orthographic projection of the third wall on the plane where the carrier plate is located is an arc segment; The second groove section further has a fourth wall, the fourth wall is connected between the two second walls, and the orthographic projection of the fourth wall on the plane where the carrier plate is located is a sector; When the limiting body is inserted into the limiting groove, the orthographic projection of the surface of the limiting body facing the third wall on the plane where the bearing plate is located is an arc segment.
9. The optical module according to claim 1, wherein the limiting body has a guiding connection portion and a limiting portion, and the guiding connection portion is arranged at one end of the limiting portion away from the bearing plate; the guiding connection portion narrows from the limiting portion in a direction away from the bearing plate.
10. A vehicle lamp, characterized in that, It includes the optical module according to any one of claims 1 to 9.