Light distribution device of lens car lamp

Abstract

The light distribution device comprises a base, a frame type electromagnet, a fixing piece, a crank connecting rod, a support, a light distribution piece, a torsion spring and an adjusting screw, the light distribution piece and the adjusting screw are both arranged on the support, the torsion spring is arranged at one end of a circular shaft of the support in a sleeved mode, the circular shaft is embedded into the base, and the crank connecting rod is arranged on the base. The support, the frame-type electromagnet and the crank connecting rod are all installed on the base, the frame-type electromagnet and the support are fixed to the base through the adjusting screw and the fixing piece, and after the frame-type electromagnet is powered on and powered off, a push-pull rod of the frame-type electromagnet, the crank connecting rod, the torsion spring and the support generate mechanical linkage. Therefore, the light distribution piece fixed on the support can rotate by a certain angle with the circular shaft of the support as the center to form downward turning and upward turning actions, and then opening or closing of part of light emitted by the lens car lamp is controlled. According to the utility model, the standard light pattern irradiated by the lens car lamp can be accurately controlled, and the driving safety can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile lighting, in particular to a light distribution device for a lens automobile lamp. Background Art

[0002] In vehicle headlights, lens optical technology is increasingly widely used. In addition to the cooperation between the lens and the reflector, the optical system also requires a light distribution device that can accurately control the emission of light. At the same time, the device is required to have the characteristics of simple structure, easy production, stability, durability, and easy operation. In view of this situation, the utility model proposes a light distribution device for a lens headlight. Utility Model Content

[0003] The technical problem to be solved by the utility model is that, in response to the demand for precise control of the emission of light by the lens optical system of a headlight, a light distribution device for a lens headlight is provided, which can precisely control the emission of light from the lens headlight and cooperate with other optical elements to provide a standard light pattern for the lens headlight, and has a simple and modular structure.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A light distribution device for a lens car lamp comprises a base, a frame-type electromagnet, a fixing plate, a crank connecting rod, a bracket, a light distribution plate, a torsion spring and an adjusting screw. The light distribution plate and the adjusting screw are both arranged on the bracket. The torsion spring is sleeved on one end of a round shaft of the bracket. The round shaft is embedded in the base. The bracket, the frame-type electromagnet and the crank connecting rod are all installed on the base.

[0006] Furthermore, a large notch and a small notch are provided on the periphery of the base, and a round column, a square hole and a groove are provided on the front of the base; the large notch can accommodate the frame-type electromagnet, and the small notch can accommodate the torsion spring. There are three round columns, including round column one, round column and round column three. The round column one and round column two are both provided with screw holes and are separated on both sides of the large notch. The round column three is arranged near the upper right corner of the large notch, and the square hole is arranged on the right side of the round column three. There are two grooves and they are symmetrically distributed at the upper two corners of the base.

[0007] Furthermore, the front side of the fixing plate is U-shaped, and is provided with screw through holes and positioning holes corresponding to the circular column one, circular column two and the frame-type electromagnet mounting position, and the pressing plates at both ends of the U-shape of the fixing plate are arranged to extend onto the groove of the base.

[0008] Furthermore, the rotating shaft of the crank connecting rod is a through-hole cylinder, and the side of the through-hole cylinder is also provided with a branch rod with a spherical end, and the handle of the crank connecting rod is a fixed small cylinder.

[0009] Furthermore, a circular shaft is provided on the bracket, and one side of the cylindrical surface of the circular shaft is a rectangular plate, one long side is connected to the cylindrical surface of the circular shaft, and two corners of the other long side are respectively provided with a small groove pit one connecting the front and back sides of the rectangular plate, and two small groove pits two are provided on the back side of the rectangular plate near the circular shaft. Two pry bars are provided on the other side of the cylindrical surface of the circular shaft, including pry bar one and pry bar two, and the pry bars form a certain angle with the rectangular plate. The pry bar one is straight and has a screw hole, and the adjusting screw is screwed on the screw hole of the pry bar one, and the pry bar two is in the shape of a hook and hooked toward one side of the rectangular plate.

[0010] Furthermore, the light distribution sheet is in the shape of a rectangular plate that matches the bracket, and the shape of the light distribution edge at the top meets the optical requirements of the car lights. The corners at both ends of the edge close to the top are each provided with a plate extension, and the extension direction is perpendicular to the base surface. The two corners below the light distribution sheet are each provided with a plate extension.

[0011] Furthermore, the plate one and the plate two are assembled and fixed with the small groove hanger one and the small groove pit two respectively.

[0012] Furthermore, the through-hole cylinder of the crank connecting rod is sleeved on the circular column three.

[0013] Furthermore, the torsion spring is sleeved on one end of the round shaft, the supporting pin of the torsion spring is supported on the bracket, the round shaft is embedded in the groove, and the working pin of the torsion spring is supported on the small notch.

[0014] Furthermore, the frame-type electromagnet and the bracket are fixed to the base by adjusting screws and the fixing plate, the frame-type electromagnet is located in the large notch, and the pressing plates at both ends of the U-shape of the fixing plate cover the round axis of the bracket; the push-pull rod of the electromagnet and the handle of the crank connecting rod are mechanically connected, and the branch rod and the pry bar are mechanically connected.

[0015] By adopting the above technical scheme, the utility model provides a light distribution device for a lens headlight, which has the following beneficial effects: the light distribution sheet and the adjusting screw in the light distribution device are both arranged on the bracket, the torsion spring is sleeved on one end of the round shaft of the bracket, the round shaft is embedded in the base, the bracket, the frame type electromagnet and the crank connecting rod are all installed on the base, when the frame type electromagnet is powered on and off during use, the push-pull rod, the crank connecting rod, the torsion spring and the bracket of the frame type electromagnet produce mechanical linkage, so that the light distribution sheet fixed on the bracket will rotate a certain angle with the round shaft of the bracket as the center to form a downward and upward movement, thereby controlling the opening or closing of part of the light emitted by the lens headlight; the device can be used to accurately control the light emission of the lens headlight, and cooperate with other optical elements to provide a standard light type for the lens headlight, which is beneficial to improving driving safety. Its structure is compact and modular, which is conducive to production and cross-platform application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of an optical system of a lens headlight;

[0017] Figure 2 It is a three-dimensional diagram of the utility model;

[0018] Figure 3 This is the exploded structure diagram of the utility model;

[0019] Figure 4 This is a structural diagram of the base in the utility model;

[0020] Figure 5 It is a structural diagram of the fixing plate in the utility model;

[0021] Figure 6 This is a structural diagram of the crank connecting rod in the utility model;

[0022] Figure 7 This is a front structural diagram of the bracket in the utility model;

[0023] Figure 8 This is a back structural diagram of the bracket in the utility model;

[0024] Fig. 9 This is a structural diagram of the light distribution sheet in the utility model;

[0025] Fig.10 It is a schematic diagram of the mechanical movement of the utility model;

[0026] The numbers in the figure represent: 1, light source; 2, reflector cup; 3, light distribution device; 4, lens; 31, base; 32, electromagnet; 33, fixing plate; 34, crank connecting rod; 35, bracket; 36, light distribution plate; 37, torsion spring; 38, adjusting screw; 310, large gap; 311, small gap; 312, round column one; 313, round column two; 314, round column three; 315, square hole; 316 , groove; 320, push-pull rod; 321, direction one; 330, screw through hole; 331, positioning hole; 332, pressing piece; 340, through-hole cylinder; 341, branch rod; 342, handle; 343, direction two; 350, round shaft; 351, groove one; 352, pry bar one; 353, pry bar two; 354, groove two; 355, direction three; 361, plate one; 362, plate two. DETAILED DESCRIPTION

[0027] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation on the present invention. In addition, the technical features involved in the various implementation methods of the present invention described below can be combined with each other as long as they do not interfere or conflict with each other. In addition, the orientation or position relationship indicated in the description of the present invention is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] like Figure 1 The figure shows a schematic diagram of the optical system of a lens headlight, which is used to illustrate the positional relationship of the main components in the optical system.

[0029] like Figure 2 and Figure 3 As shown, it is a structural schematic diagram of a light distribution device of a lens vehicle lamp as an exemplary embodiment of the utility model.

[0030] In an exemplary embodiment, the utility model includes a base 31, a frame type electromagnet 32, a fixing plate 33, a crank connecting rod 34, a bracket 35, a light distribution plate 36, a torsion spring 37 and an adjusting screw 38. Each accessory forms a light distribution device 3 module of a lens headlight according to a corresponding matching relationship.

[0031] like Figure 4 As shown, in an exemplary embodiment, the base 31 has a large notch 310 and a small notch 311 on its periphery, and a round column, a square hole 315 and a groove 316 on the front; the large notch 310 can accommodate the frame of the electromagnet 32, the small notch 311 can accommodate the torsion spring 37, there are three round columns, round column one 312 and round column two 313 are both provided with screw holes and are located on both sides of the large notch 310, round column three 314 is near the upper right corner of the large notch 310, the square hole 315 is on the right side of the round column three 314, and there are two grooves 316, which are symmetrically distributed at the two upper corners of the base 31.

[0032] like Figure 5 As shown, in an exemplary embodiment, the front side of the fixing plate 33 is U-shaped, and is provided with screw through holes 330 and positioning holes 331 corresponding to the circular column 1 312, the circular column 2 313 of the base 31 and the mounting position of the electromagnet 32 ​​frame, and the pressing plates 332 at both ends of the U-shape of the fixing plate 33 are arranged to extend onto the groove 316 of the base 31.

[0033] like Figure 6As shown, in an exemplary embodiment, the rotating shaft of the crank link 34 is a through-hole cylinder 340, and a branch rod 341 with a spherical end is also provided on the side of the cylinder, and the handle 342 of the crank link 34 is a fixed small cylinder.

[0034] like Figure 2 , Figure 7 and Figure 8 As shown, in an exemplary embodiment, the bracket 35 is provided with a circular shaft 350, and one side of the cylindrical surface of the circular shaft 350 is a rectangular plate, one long side is connected to the cylindrical surface of the circular shaft 350, and two corners of the other long side are respectively provided with a small groove 1 351 connecting the front and back sides of the rectangular plate, and two small grooves 2 354 are provided on the back side of the rectangular plate and close to the circular shaft 350. There are two pry bars on the other side of the cylindrical surface of the circular shaft 350, and the pry bars form a certain angle with the rectangular plate. The pry bar 1 352 is straight and has a screw hole. The adjusting screw 38 is screwed on the screw hole of the pry bar 1 352, and the pry bar 2 353 is in the shape of a hook, hooked toward the back side of the rectangular plate of the bracket 35.

[0035] like Fig. 9 As shown, in an exemplary embodiment, the light distribution sheet 36 is in the shape of a rectangular plate that matches the bracket 35, and the edge shape of the top meets the optical requirements of the headlights. The corners at both ends of the edge near the top are each provided with a plate 1 361 extending therefrom, and the extending direction is perpendicular to the base surface. The two corners below the light distribution sheet 36 are each provided with a plate 2 362 extending therefrom.

[0036] like Figure 7 , Figure 8 and Fig. 9 As shown, in an exemplary embodiment, the plate 1 361 and the plate 2 362 extending from the light distribution sheet 36 are respectively assembled and fixed with the small groove 1 351 and the small groove 2 354 of the bracket 35 .

[0037] In an exemplary embodiment, the bracket 35 and the light distribution plate 36 may also be made of high temperature resistant engineering materials in one piece. The reason for making them separately is to help reduce the cost. However, the light distribution plate 36 is made of sheet metal technology, so the material requirements for the bracket 35 are relatively low.

[0038] like Figure 4 and Figure 6 As shown, in an exemplary embodiment, the through-hole cylinder 340 of the crank link 34 is sleeved on the circular column 314 of the base 31 .

[0039] like Figure 3 , Figure 4 and Figure 7As shown, in an exemplary embodiment, the torsion spring 37 is sleeved on one end of the round shaft 350 of the bracket 35, the supporting pin of the torsion spring 37 is supported on the bracket 35, the round shaft 350 of the bracket 35 is embedded in the groove 316 of the base 31, and the working pin of the torsion spring 37 is supported on the small notch 311 of the base 31.

[0040] like Figure 2 , Figure 4 , Figure 5 and Figure 7 As shown, in an exemplary embodiment, the electromagnet 32 ​​and the bracket 35 are fixed to the base 31 by screws and a fixing plate 33, the electromagnet 32 ​​is in the large notch 310 of the base 31, and the pressing plates 332 at both ends of the U-shape of the fixing plate 33 cover the bracket circular shaft 350.

[0041] like Figure 3 , Figure 6 , Figure 7 and Fig.10 As shown, in an exemplary embodiment, the push-pull rod 320 of the electromagnet 32 ​​and the handle 342 of the crank link 34 are mechanically connected, and the branch rod 341 of the crank link 34 and the pry bar 353 of the bracket 35 are mechanically connected. When the electromagnet 32 ​​is energized, its push-pull rod 320 pulls the handle 342 of the crank link 34 to move in direction one 321, driving the branch rod 341 of the crank link 34 to rotate in direction two 343 with the through-hole cylinder 340 as the axis core, and the end ball of the branch rod 341 presses against the inner side of the hook of the pry bar 2 353 of the bracket 35, and finally drives the bracket 35 and the light distribution plate to rotate a certain angle in direction three 355 with the circular axis 350 as the rotation axis to form a downward turning action; when the electromagnet 32 ​​loses power, under the torsion force of the torsion spring 37, the bracket 35 and the light distribution plate rotate a certain angle in the opposite direction of direction three 355 with the circular axis 350 as the rotation axis to form an upward turning action, and the crank link 34 and the push-pull rod 320 of the electromagnet 32 ​​also move in the opposite direction to return to the original position state, at this time, the light distribution device 3 completes the opening or closing of part of the light emitted by the lens lamp.

[0042] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A light distribution device for a lens headlight, characterized in that: It includes a base, a frame electromagnet, a fixing plate, a crank connecting rod, a bracket, a light distribution plate, a torsion spring and an adjusting screw. The light distribution plate and the adjusting screw are both arranged on the bracket. The torsion spring is sleeved on one end of the round shaft of the bracket. The round shaft is embedded in the base. The bracket, the frame electromagnet and the crank connecting rod are all installed on the base. A large notch and a small notch are arranged around the base. A round column, a square hole and a groove are arranged on the front of the base. The large notch can accommodate the frame electromagnet, and the small notch can accommodate the torsion spring. There are three round columns, including round column one, round column and round column three. The round column one and round column two are both provided with screw holes and are separated on both sides of the large notch. The round column three is arranged near the upper right corner of the large notch, and the square hole is arranged on the right side of the round column three. There are two grooves and they are symmetrically distributed at the upper two corners of the base.

2. The light distribution device of the lens lamp according to claim 1, characterized in that: The front side of the fixing plate is U-shaped, and is provided with screw through holes and positioning holes corresponding to the circular column 1, circular column 2 and the frame-type electromagnet installation position. The pressing plates at both ends of the U-shape of the fixing plate are arranged to extend onto the groove of the base.

3. The light distribution device of the lens lamp according to claim 2, characterized in that: The rotating shaft of the crank connecting rod is a through-hole cylinder, and the side surface of the through-hole cylinder is also provided with a branch rod with a spherical end, and the handle of the crank connecting rod is a fixed small cylinder.

4. The light distribution device of the lens lamp according to claim 3, characterized in that: The bracket is provided with a circular shaft, and one side of the cylindrical surface of the circular shaft is a rectangular plate, one long side is connected to the cylindrical surface of the circular shaft, and two corners of the other long side are respectively provided with a small groove pit one connecting the front and back sides of the rectangular plate, and there are two small groove pits two on the back side of the rectangular plate near the circular shaft. Two pry bars are provided on the other side of the cylindrical surface of the circular shaft, including pry bar one and pry bar two, and the pry bars form a certain angle with the rectangular plate. The pry bar one is straight and has a screw hole, and the adjusting screw is screwed on the screw hole of the pry bar one, and the pry bar two is in a hook shape and hooked toward one side of the rectangular plate.

5. The light distribution device of the lens lamp according to claim 4, characterized in that: The light distribution sheet is in the shape of a rectangular plate that matches the bracket, and the shape of the light distribution edge at the top meets the optical requirements of the car lights. The corners at both ends of the edge close to the top are each provided with a plate extension, and the extension direction is perpendicular to the base surface. The two corners below the light distribution sheet are each provided with a plate extension.

6. The light distribution device of the lens lamp according to claim 5, characterized in that: The plate one and the plate two are respectively assembled and fixed with the small groove hanger one and the small groove pit two.

7. The light distribution device of the lens lamp according to claim 3, characterized in that: The through hole cylinder of the crank connecting rod is sleeved on the circular column three.

8. The light distribution device of the lens lamp according to claim 4, characterized in that: The torsion spring is sleeved on one end of the round shaft, the supporting pin of the torsion spring is supported on the bracket, the round shaft is embedded in the groove, and the working pin of the torsion spring is supported on the small notch.

9. The light distribution device of the lens lamp according to claim 4, characterized in that: The frame-type electromagnet and the bracket are fixed on the base by adjusting screws and the fixing plate. The frame-type electromagnet is located in the large notch, and the pressing plates at both ends of the U-shape of the fixing plate cover the round axis of the bracket; the push-pull rod of the electromagnet and the handle of the crank connecting rod are mechanically connected, and the branch rod and the pry bar are mechanically connected.

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