Automobile headlamp with built-in light guide fibers for uniformly guiding light

Abstract

The utility model relates to the technical field of automobile headlamps, in particular to an automobile headlamp with built-in light guide fibers for uniformly guiding light, which comprises a base, a casing is arranged at the front end of the base, a sliding rod is hinged to the middle of an inner cavity of the casing, a light source component is arranged at the front end of the sliding rod, and a support is arranged at the top end of the inner cavity of the casing. A motor is arranged at the right end of the support, the output end of the motor extends to an inner cavity of the support, a screw is rotationally connected to the left side of the inner cavity of the support through a bearing, the other end of the screw is fixedly connected with the output end of the motor, a moving block is in threaded connection with the outer wall of the screw, and a sliding way is formed in the middle of the sliding rod. According to the automobile headlamp with the built-in light guide fibers for uniformly guiding light, the problems that in the prior art, when an automobile headlamp is used, the irradiation angle of a light source assembly cannot be adjusted, the automobile headlamp can only irradiate in the driving direction of an automobile, and the irradiation direction of the light source assembly cannot deviate from a road when the automobile headlamp passes through a curve are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile headlamp, concretely is a kind of automobile headlamp of built-in optical fiber uniform light guide. BACKGROUND

[0002] Automobile headlamp is installed in the front of car, for providing illumination in night, low visibility condition (such as fog, rainy day) or tunnel and other dim environment, help driver to see clearly the front road, obstacle and other traffic participants lamp assembly. It is the important component of automobile active safety system, and plays a vital role to driving safety.

[0003] But the automobile headlamp of prior art cannot adjust the irradiation angle of light source assembly when using, can only irradiate along the driving direction of car, when passing through bend, the irradiation direction of light source assembly can deviate from road, to solve this problem, a kind of automobile headlamp of built-in optical fiber uniform light guide is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of automobile headlamp of built-in optical fiber uniform light guide to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile headlamp of built-in optical fiber uniform light guide, including base, the front end of the base is provided with casing, the inner chamber middle part of the casing is hinged with slide rod, the front end of the slide rod is provided with light source assembly, the inner chamber top of the casing is provided with bracket, the right end of the bracket is provided with motor, the output of the motor extends to the inner chamber of bracket, the inner chamber left side of the bracket is rotatably connected with screw rod by bearing, the other end of the screw rod is fixedly connected with the output of motor, the outer wall of the screw rod is screwed with moving block, the middle part of the slide rod is provided with slide, the inner chamber of the slide is slidably embedded with moving rod, the top of the moving rod is fixedly connected with moving block.

[0006] Preferably, the bottom of the moving rod is provided with limit plate.

[0007] Preferably, the inner chamber rear side of the casing is provided with connecting groove, the inner chamber of the connecting groove is slidably embedded with connecting block, and the connecting block is fixedly connected with moving block.

[0008] Preferably, the inner chamber of the connecting groove and the outer wall of the connecting block are adapted and matched and are both "T" shaped.

[0009] Preferably, the base is provided with a rack, the inner cavity left side of the rack is rotationally connected with a lead screw through a bearing, the other end of the lead screw extends to the right end of the rack and is fixedly connected with a knob, the outer wall of the lead screw is respectively screwed with a sliding block on the front and back sides, two sliding blocks are respectively fixedly connected with a fixed sheet, and a through hole is formed in each fixed sheet.

[0010] Preferably, the threads on the left and right sides of the outer wall of the lead screw are oppositely arranged.

[0011] Preferably, the inner cavity of the rack is provided with a limiting groove, and two limiting blocks are slidably embedded in the inner cavity of the limiting groove and fixedly connected with the bottom ends of the two sliding blocks.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. The motor drives the screw rod to rotate, and under the action of the thread rotation force of the outer wall of the screw rod, when the screw rod rotates, the sliding block drives the moving rod to slide in the inner cavity of the shell, and then the moving rod drives the sliding rod and the light source assembly to swing, so that the illumination angle of the light source assembly is adjusted, and the problem that the existing automobile headlamp cannot adjust the illumination angle of the light source assembly when in use, and can only illuminate along the driving direction of the automobile, and the illumination direction of the light source assembly deviates from the road when passing through a curve is solved.

[0014] 2. The screw passes through the inner cavity of the through hole of the fixed sheet, and then the device is fixed on the automobile frame, so that the device is convenient to install, the knob drives the lead screw to rotate by rotating the knob, and then the opposite threads on the left and right sides of the outer wall of the lead screw generate opposite thread rotation forces, so that the two sliding blocks simultaneously slide relative to each other under the limiting action of the limiting groove and the limiting block, and then the positions of the two fixed sheets and the through hole are adjusted, the position of the through hole is adjusted according to the reserved threaded hole, and the flexibility of the device in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is Figure 1 It is a structure schematic view of the utility model after removing the lampshade and the decorative cover;

[0017] Figure 3 It is Figure 1 It is a structure schematic view of the utility model after removing the lampshade and the decorative cover;

[0018] Figure 4 It is Figure 1 It is a structure schematic view of the utility model after removing the lampshade and the decorative cover;

[0019] Figure 5 For Figure 2 Enlarged view at A in the middle;

[0020] Figure 6 For Figure 4 Enlarged view at B in the middle.

[0021] In the figure: 1, base; 2, casing; 3, slide bar; 4, light source assembly; 5, frame; 6, fixing piece; 7, screw rod; 8, knob; 9, slide block; 10, limiting groove; 11, limiting block; 12, bracket; 13, motor; 14, screw rod; 15, moving block; 16, connecting groove; 17, connecting block; 18, slide way; 19, moving rod; 20, limiting plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only 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 labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1 to 6 The present application provides a technical solution: a car headlamp with built-in optical fiber uniform light guide, comprising a base 1, the front end of the base 1 is provided with a casing 2, the inner cavity of the casing 2 is hingedly connected with a slide bar 3 in the middle, the front end of the slide bar 3 is provided with a light source assembly 4, the inner cavity top end of the casing 2 is provided with a bracket 12, the right end of the bracket 12 is provided with a motor 13, the output end of the motor 13 extends to the inner cavity of the bracket 12, the inner cavity left side of the bracket 12 is rotatably connected with a screw rod 14 through a bearing, the other end of the screw rod 14 is fixedly connected with the output end of the motor 13, the outer wall of the screw rod 14 is screwed with a moving block 15, the middle part of the slide bar 3 is provided with a slide way 18, the inner cavity of the slide way 18 is slidably embedded with a moving rod 19, the top end of the moving rod 19 is fixedly connected with the moving block 15, the screw rod 14 is driven to rotate by the motor 13, under the action of the thread rotation force of the outer wall of the screw rod 14, when the screw rod 14 rotates, the slide block 9 can drive the moving rod 19 to slide in the inner cavity of the casing 2, and then the moving rod 19 drives the slide bar 3 and the light source assembly 4 to swing, so as to realize the adjustment of the irradiation angle of the light source assembly 4, solve the problem that the car headlamp of the prior art cannot adjust the irradiation angle of the light source assembly 4 when in use, and can only irradiate along the driving direction of the car, and the irradiation direction of the light source assembly 4 deviates from the road when passing through a curve.

[0024] In this embodiment, the front end of the shell 2 is sealingly connected with a lampshade 21, the lampshade 21 is used to protect the inside of the shell 2, and in order to improve the appearance, a decorative cover 22 is further arranged between the shell 2 and the lampshade 21, the decorative cover 22 is provided with a light emitting hole 221 located in front of the light source assembly 4 for light emitting of the light source assembly 4. Specifically, the decorative cover 22 can be fixed on the lampshade 21 by screws, or can be fixed on the shell 2 by screws.

[0025] In this embodiment, the bottom end of the moving rod 19 is provided with a limiting plate 20, which can prevent the moving rod 19 from being separated from the inner cavity of the slide 18.

[0026] In this embodiment, the rear side of the inner cavity of the shell 2 is provided with a connecting groove 16, the inner cavity of the connecting groove 16 is slidably embedded with a connecting block 17, the connecting block 17 is fixedly connected with the moving block 15, and under the joint action of the connecting groove 16 and the connecting block 17, the moving block 15 can be prevented from rotating with the screw rod 14 when the screw rod 14 rotates, thereby improving the stability of the device during use.

[0027] In this embodiment, the inner cavity of the connecting groove 16 and the outer wall of the connecting block 17 are matched and both are "T" shaped, so that one end of the connecting block 17 is always embedded in the inner cavity of the connecting groove 16, thereby improving the stability of the connecting assembly during use.

[0028] In this embodiment, the base 1 is provided with a rack 5, the inner cavity left side of the rack 5 is rotatably connected with a lead screw 7, the other end of the lead screw 7 extends to the right end of the rack 5 and is fixedly connected with a knob 8, the outer wall of the lead screw 7 is respectively screwed with a sliding block 9 on the front and back sides, two sliding blocks 9 are respectively fixedly connected with a fixed sheet 6, a through hole is formed through each fixed sheet 6, the device can be fixed on the automobile frame by passing the bolt through the inner cavity of the through hole of the fixed sheet 6, which facilitates the installation of the device, and by rotating the knob 8, the knob 8 drives the lead screw 7 to rotate, thereby causing the relative screw rotation force of the threads on the left and right sides of the outer wall of the lead screw 7, causing the two sliding blocks 9 to simultaneously slide relative to each other under the limiting action of the limiting groove 10 and the limiting block 11, thereby adjusting the position of the two fixed sheets 6 and the through hole, which facilitates the adjustment of the position of the through hole according to the position of the reserved threaded hole, and improves the flexibility of the device during use.

[0029] In this embodiment, the threads on the left and right sides of the outer wall of the lead screw 7 are oppositely arranged, so that when the lead screw 7 rotates, the relative screw rotation force of the threads on the front and back sides of the outer wall of the lead screw 7 is generated, causing the two sliding blocks 9 to simultaneously slide relative to each other under the limiting action of the limiting groove 10 and the limiting block 11.

[0030] In the embodiment, the inner cavity of the rack 5 is provided with a limiting groove 10, the inner cavity of the limiting groove 10 is slidably embedded with two limiting blocks 11, the two limiting blocks 11 are fixedly connected with the bottom ends of the two sliding blocks 9 respectively, under the cooperation of the limiting groove 10 and the limiting block 11, the sliding block 9 can be prevented from rotating with the lead screw 7 when the lead screw 7 rotates, and the stability of the device during use is improved.

[0031] The basic principle, main characteristics and advantages of the present application are shown and described above. The skilled person in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A car headlamp with built-in optical fiber uniform light guide, comprising a base (1), characterized in that: The front end of the base (1) is provided with a machine shell (2), the inner cavity of the machine shell (2) is hinged with a sliding rod (3) in the middle, the front end of the sliding rod (3) is provided with a light source assembly (4), the inner cavity of the machine shell (2) is provided with a support (12) at the top, the right end of the support (12) is provided with a motor (13), the output end of the motor (13) extends to the inner cavity of the support (12), the inner cavity of the support (12) is rotatably connected with a screw rod (14) on the left side, the other end of the screw rod (14) is fixedly connected with the output end of the motor (13), the outer wall of the screw rod (14) is screwed with a moving block (15), the middle part of the sliding rod (3) is provided with a sliding channel (18), the inner cavity of the sliding channel (18) is slidably embedded with a moving rod (19), the top end of the moving rod (19) is fixedly connected with the moving block (15).

2. The automobile headlamp with built-in optical fiber uniform light guide according to claim 1, characterized in that: The bottom end of the moving rod (19) is provided with a limiting plate (20).

3. The automotive headlamp with built-in optical fiber uniform light guide according to claim 1, characterized in that: The rear side of the inner cavity of the machine shell (2) is provided with a connecting groove (16), the inner cavity of the connecting groove (16) is slidably embedded with a connecting block (17), and the connecting block (17) is fixedly connected with the moving block (15).

4. The automotive headlamp with built-in optical fiber uniform light guide according to claim 3, characterized in that: The inner cavity of the connecting groove (16) and the outer wall of the connecting block (17) are matched and both are "T" shaped.

5. The automotive headlamp with built-in optical fiber uniform light guide according to claim 1, characterized in that: The base (1) is provided with a rack (5), the inner cavity of the rack (5) is rotatably connected with a lead screw (7) on the left side through a bearing, the other end of the lead screw (7) extends to the right end of the rack (5) and is fixedly connected with a knob (8), the outer wall of the lead screw (7) is screwed with a sliding block (9) on the front and rear sides respectively, two sliding blocks (9) are respectively fixedly connected with a fixed sheet (6), and a through hole is formed in each fixed sheet (6).

6. The automotive headlamp with built-in optical fiber uniform light guide according to claim 5, characterized in that: The threads on the left and right sides of the outer wall of the lead screw (7) are oppositely arranged.

7. The automotive headlamp with built-in optical fiber uniform light guide according to claim 5, characterized in that: The inner cavity of the rack (5) is provided with a limiting groove (10), and the inner cavity of the limiting groove (10) is slidably embedded with two limiting blocks (11), and the bottom end of the two limiting blocks (11) is fixedly connected with the two sliding blocks (9) respectively.

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