CN201089421Y - Improved switching device for high/low beam of car lamp - Google Patents

Abstract

The utility model is an improvement on a high and low beam switching device for a vehicle lamp, wherein the fixed baffle is arranged on the front edge of a reflector body, the adjusting device comprises a solenoid valve and a movable baffle, the solenoid valve is provided with a movable rod connected with the movable baffle, the movable baffle is connected with the fixed baffle by a pivot assembly, and the pivot assembly is used as a rotating shaft of the movable baffle, the movable baffle is extended with a connecting arm which is perpendicular to the movable baffle body, and is connected with the movable rod of the solenoid valve; by arranging the solenoid valve of the adjusting device on the side of the reflector body and using the pivot assembly as the rotating shaft of the movable baffle, the solenoid valve can reduce power consumption, help reduce the heat energy generated by the solenoid valve itself, and reduce the amplitude of temperature rise.

Description

An improved far and near light switching device for car lights

technical field

The utility model relates to an improvement of a far and near lamp switching device of a car lamp, in particular to a device design for switching the far and near lamps of a car lamp.

Background technique

Press, U.S. Patent No. US5899559 "HEADLAMPFORVEHICLES" patent case discloses a car light structure, the car light includes a reflector, a luminous body, a lens, a fixed baffle, a movable baffle and an adjustment device, wherein the The reflecting mirror has two focal points, the illuminant is located at one of the focal points of the reflecting mirror, the fixed baffle is arranged between the lens and the reflecting mirror, and the movable baffle is located at the The top edge of the fixed baffle is connected with the adjustment device. The adjustment device is a solenoid valve and is fixed in front of the fixed baffle. The solenoid valve is provided with a movable rod and connected with the The movable baffle is connected and fixed, so that when the electromagnetic valve is energized to make the inner coil generate magnetic force to make the movable rod move in a piston type, the movable rod will drive the movable baffle to move , so that the car lights as a whole are in the state of high beam or low beam.

However, when the vehicle lamp is in use, the light of the illuminant is directly irradiated on the fixed baffle at close range, and the fixed baffle is generally made of metal material, so that the The fixed baffle absorbs the heat energy of light, and then forms a high temperature on its surface. The electromagnetic valve is directly heated because it is fixed on the fixed baffle, so that the magnetic force generated by the inner coil of the electromagnetic valve is weakened due to the heating, and then the electromagnetic valve drives the movable baffle. The plate is not smooth, so the current input to the solenoid valve must be increased to solve the aforementioned problem of insufficient magnetic force. Furthermore, as the input current of the solenoid valve increases, the current will generate heat energy in the inner coil of the solenoid valve. In order to effectively dissipate heat and increase the heat capacity of the solenoid valve, then The volume of the solenoid valve must be enlarged or the solenoid valve must be made of high-temperature-resistant materials, which will affect the design of the interior space of the car light and the center of gravity of the car light will be biased forward.

In view of this, our utility model designers have conducted research on the shortcomings of existing car lights, and have come out with this utility model after continuous research and development and modification.

Contents of the invention

The reason is that the purpose of this utility model is to provide an improved new type of far-near switching device for vehicle lights, so as to overcome the above-mentioned defects.

In order to achieve the above purpose, the designer of this utility model specially designed an improved far and near light switching device for car lights, which includes a reflector body, a light-emitting component, a fixed bracket and an adjustment device, wherein the light-emitting component is relatively located at the The bottom of the reflector body is used to reflect the light generated by the light-emitting component through the reflector body; the fixed block is provided with a groove on the top edge, and is fixed on the The reflector body is used to shield part of the light and let the other part of the light pass through the groove and above the top edge of the fixed baffle; the adjustment device includes a solenoid valve and a movable baffle, so The electromagnetic valve is provided with a movable rod, and the movable flap is extended with a connecting arm perpendicular to the movable flap body, which is connected with the movable rod of the electromagnetic valve, and the The movable flap is pivotally connected to the fixed flap by a pivot assembly, so that when the movable rod of the solenoid valve is activated to drive the movable flap, As the rotating shaft of the movable block, the movable block is rotated and positioned in front of the groove of the fixed block.

According to the above idea, the side edge of the fixed block is extended with a fixing portion perpendicular to the body of the fixed block, which is used for fixing and limiting the solenoid valve.

According to the above idea, the top edge of the fixed fence is provided with a flange, which is used for the movable fence when the movable fence is located in front of the groove of the fixed fence. Resist the limit.

According to the above idea, the other side edge of the fixed block away from the fixed part is provided with a flange, and the flange is provided with a rail groove for the movable block Sliding in the guide rail groove described above.

According to the above idea, the end of the movable rod of the solenoid valve is provided with a connecting rod, and the other end of the connecting rod is connected to the connecting arm of the movable blocking piece.

According to the above idea, wherein the pivot assembly includes a bearing and a fixed pin, the bearing is fixed on the fixed block, and the fixed pin is fixed on the movable block and is connected to the movable block. bearing connection.

According to the above idea, wherein the pivot assembly includes a first sleeve, a second sleeve, a screw and a nut, the first sleeve is hollow and fixed on the fixed block, the The second sleeve is hollow and correspondingly passes through the first sleeve, so that the second sleeve is limited to the first sleeve for rotation, and the screw is fixed on the The movable baffle passes through the second sleeve correspondingly, and is locked on the screw rod by the nut.

Compared with the prior art, the utility model has the beneficial effect that by setting the electromagnetic valve of the adjustment device on the side of the reflector body, and using the bearing as the pivotal connection between the movable stopper and the fixed The rotating shaft of the baffle can reduce the power consumption of the solenoid valve, help to reduce the heat energy generated by the solenoid valve itself, and reduce the temperature rise, so that the solenoid valve will not be damaged due to high temperature. The weakening of the magnetic force occurs, causing the lights to not operate smoothly when switching.

Description of drawings

Fig. 1 is a three-dimensional exploded schematic diagram of the first embodiment of the far and near lamp switching device of the vehicle lamp of the present invention;

Fig. 2 is a cross-sectional schematic diagram of the first embodiment of the vehicle light far and near light switching device of the present invention, in which the pivot assembly is fixed on the fixed baffle and the movable baffle;

Fig. 3 is a schematic diagram of the switching operation of the far light of the first embodiment of the far and near light switching device of the vehicle lamp of the present invention;

Fig. 4 is a schematic diagram of the near light switching operation of the first embodiment of the vehicle light far and near light switching device of the present invention;

Fig. 5 is a three-dimensional exploded schematic view of the second embodiment of the far and near lamp switching device of the vehicle lamp of the present invention;

Fig. 6 is a cross-sectional schematic view of the second embodiment of the vehicle light far and near light switching device of the present invention, in which the pivot assembly is fixed on the fixed baffle and the movable baffle;

Fig. 7 is a schematic diagram of the switching action of the far light of the second embodiment of the far and near light switching device of the vehicle lamp of the present invention;

FIG. 8 is a schematic diagram of the near-light switching action of the second embodiment of the far-near light switching device of the vehicle lamp of the present invention.

Explanation of reference numerals: 1-mirror body; 11-perforation; 2-luminous component; 3-fixed baffle; 31-groove; 32-flange; 33-fixed part; 34-perforation; 41-solenoid valve; 411-movable rod; 4111-flange; 4112-perforation; 412-spring; 42-movable block; 421-connecting arm; 4211-groove; ;44-pivot assembly;441-bearing;4411-inner ring seat;442-fixing pin 5-fixing block;51-groove;52-flange;521-rail groove;53-fixed part;54-perforation ;61-solenoid valve, 611-movable rod; 6111-perforation; 612-fixed pin; 62-movable block; 621-connecting arm; 6211-groove; barrel; 632-second sleeve; 6321-first flange; 6322-second flange; 633-screw rod; 634-nut.

Detailed ways

The above-mentioned and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.

First, please refer to FIG. 1 and FIG. 2 , which are schematic diagrams of the first embodiment of the far and near lamp switching device for vehicle lights of the present invention. In this example, the far and near lamp switching device of the car lamp is fixed inside the car lamp group of the car, and it includes a reflector body 1, a light-emitting component 2, a fixed blocking plate 3, and an adjustment device, wherein :

The reflector body 1 has an open end, and a through hole 11 is arranged at the bottom thereof.

The light-emitting component 2 is correspondingly pierced through the perforation 11 of the reflector body 1, so that it is relatively located at the bottom of the reflector body 1, so that the light generated by the light-emitting component 2 can pass through The inner surface of the reflector body 1 is reflected or refracted, so that the light is projected toward the front of the vehicle. The light-emitting component 2 can be a halogen bulb or a discharge bulb.

The fixed blocking plate 3 is provided with a groove 31 and a flange 32 on the top edge, and is fixed on the lower edge of the opening end of the mirror body 1 to cover the bottom of the mirror body 1. half of the projected light, and make the light projected by the lower half of the mirror body 1 pass through the groove 31 and above the top edge of the fixed block 3 . The side edge of the fixed block 3 is extended with a fixed portion 33 perpendicular to the body of the fixed block 3 , so that the fixed portion 33 is between the fixed block 3 and the fixed block 3 . After the reflector body 1 is fixed, it is located on the outer side of the reflector body 1 . The fixed blocking piece 3 is provided with a through hole 34 on the front end facing the light emitting direction.

The adjustment device includes a solenoid valve 41 , a movable block 42 , a connecting rod 43 and a pivot assembly 44 . The solenoid valve 41 is provided with a movable rod 411, and is fixed on the fixed portion 33 of the fixed block 3 with the movable rod 411 facing downward. The end of the movable rod 411 is provided with a flange 4111 and a through hole 4112 , and a spring 412 is sleeved on the movable rod 411 so that the spring 412 is pressed against the flange 4111 . The movable block 42 is extended with a connecting arm 421 perpendicular to the body of the movable blocking 42, and the connecting arm 421 is formed with a groove 4211, and the side wall of the groove 4211 A first through hole 4212 is provided for passing through the connecting rod 43 , and the other end of the connecting rod 43 corresponds to the through hole 4112 through which the movable rod 411 passes. The movable block 42 is provided with a second through hole 422 on the front end facing the direction of light emission, for the pivotal joint assembly 44 to pass through correspondingly and pivotally connected between the second through hole 422 and the said second through hole 422 at the same time. The perforation 34 of the fixed block 3 allows the movable block 42 to be located in front of the groove 31 of the fixed block 3 . The pivot assembly 44 includes a bearing 441 and a fixed lock 442, the bearing 441 is a ball bearing and has an inner ring seat 4411, and the bearing 441 is fixed on the fixed The perforation 34 of the blocking piece 3 is tightly fitted. The fixed pin 442 is a tight fit corresponding to the second through hole 422 passing through the movable block 42, and the fixed pin 442 is pivotally connected to the inner ring seat 4411 of the bearing 441 correspondingly. Tight fit, used to use the pivot joint assembly 44 as the rotating shaft of the movable flap 42, so that when the movable flap 42 is driven by the movable rod 411 of the electromagnetic valve 41, it will pass through The bearing 441 makes the movable block 42 rotate at a certain angle. If so, the first embodiment of the vehicle lamp far and near lamp switching device of the present utility model is constructed and completed.

When the vehicle light is activated, the light generated by the light-emitting component 2 is reflected or refracted by the inner side of the reflector body 1, so that the light is projected toward the front of the vehicle. Referring to Fig. 3, when the headlights of the car are switched to the far light, the solenoid valve 41 is energized, so that the coil inside the solenoid valve 41 generates a magnetic force due to conduction, and the solenoid valve 41 is energized. The movable rod 411 performs a shrinking movement toward the body of the solenoid valve 41 . At this time, the movable rod 411 drives the movable blocking piece 42 to move, so that the moving blocking piece 42 moves downward to the fixed blocking piece with the pivot joint assembly 44 as the rotation axis. The lower edge of the groove 31 of 3, so that the groove 31 is exposed, so that the light passes through the groove 31 from above the top edge of the fixed baffle 3 to form the light of the high beam. type.

Please refer to Figure 4 for more details. When the lights of the car are switched to near lights, the solenoid valve 41 is powered off, so that the coil inside the solenoid valve 41 generates magnetic force due to no electric energy, and the solenoid valve 41 is powered off. The movable rod 411 of 41 is pressed against the flange 4111 of the movable rod 411 by the elastic force of the spring 412 to move downward. At this time, the movable rod 411 drives the movable blocking piece 42 to move, so that the moving blocking piece 42 moves upward with the pivot joint assembly 44 as the rotation axis, and is pressed against the The flange 32 of the fixed baffle 3, and at the same time cover the groove 31 of the fixed baffle 3, so that the light passes above the top edge of the fixed baffle 3 and the movable baffle 42, And form the light pattern of low beam.

The following description is the second embodiment of the present utility model, and the basic structure of the second embodiment and the aforementioned first embodiment has the same parts, and the same component numbers will be attached, and as long as there is no special mention , it is regarded as having the same structure and function.

First, please refer to Fig. 5 and Fig. 6, which are schematic diagrams of the second embodiment of the far and near lamp switching device for vehicle lights of the present invention. In this example, the far and near light switching device of the car light is fixed inside the car light group of the car, and it includes a reflector body 1, a light-emitting component 2, a fixed blocking plate 5, and an adjustment device, wherein :

The reflector body 1 has an open end, and a through hole 11 is arranged at the bottom thereof.

The light-emitting component 2 is correspondingly pierced through the perforation 11 of the reflector body 1, so that it is relatively located at the bottom of the reflector body 1, so that the light generated by the light-emitting component 2 can pass through The inner surface of the reflector body 1 is reflected or refracted, so that the light is projected toward the front of the vehicle. The light-emitting component 2 can be a halogen bulb or a discharge bulb.

The fixed block 5 is provided with a groove 51 on the top edge and a flange 52 on one side edge thereof, and the flange 52 is provided with a rail groove 521 . Described fixed catch 52 is fixedly arranged on the opening end lower edge of described reflector body 1, in order to shield the light projected by the lower half of described reflector body 1, and make described reflector body 1 The light projected by the lower half passes through the groove 51 and above the top edge of the fixed block 5 . The other side edge of the fixed block 5 is extended with a fixed portion 53 perpendicular to the body of the fixed block 5, so that the fixed portion 53 is between the fixed block 5 and the fixed portion 53. After the mirror body 1 is fixed, it is located on the outer side of the mirror body 1 . The fixed blocking piece 5 is provided with a through hole 54 on the front end facing the light emitting direction.

The adjustment device includes a solenoid valve 61 , a movable block 62 and a pivot assembly 63 . The solenoid valve 61 is provided with a movable rod 611, and is fixed on the fixed portion 53 of the fixed blocking piece 5 with the movable rod 611 facing upward. The end of the movable rod 611 is provided with a perforation 6111 , and the perforation 6111 is provided with a fixing pin 612 . The movable block 62 is extended with a connecting arm 621 perpendicular to the body of the movable block 62, and the connecting arm 621 is provided with a groove 6211 for the fixing pin 612 to be inserted into. , so that the connecting arm 621 of the movable blocking piece 62 is connected and fixed with the movable rod 611 of the electromagnetic valve 61 . The movable block 62 is provided with a perforation 622 for the pivotal assembly 63 to pass through correspondingly at the same time and pivotally connected to the perforation 622 and the perforation 54 of the fixed block 5, so that the One end of the movable block 62 is located in the rail groove 521 of the fixed block 5 , and the movable block 62 is located in front of the groove 51 of the fixed block 5 . The pivot assembly 63 includes a first sleeve 631 , a second sleeve 632 , a screw rod 633 and a nut 634 . The first sleeve 631 is hollow and fixed on the perforation 54 of the fixed block 5 in a tight fit shape, and the length of the second sleeve 632 is longer than that of the first sleeve 631. length and is hollow, and the second sleeve 632 is formed with a first flange 6321 at one end, and the second sleeve 632 is correspondingly inserted in the first sleeve 631 hole, and after the second sleeve 632 is pierced, a second flange 6322 is formed by bending the other end of the second sleeve 632 so that the first part of the second sleeve 632 The flange 6321 and the second flange 6322 are located at two ends of the first sleeve 631 respectively, so that the second sleeve 632 is limited to the first sleeve 631 for rotation. The screw 633 corresponds to the through hole 622 of the movable block 62 and the inner hole of the second sleeve 632 at the same time, and the nut 634 is locked on the screw 633 so that all The movable blocking piece 62 uses the pivot joint assembly 63 as the rotation axis, so that when the moving blocking piece 62 is driven by the moving rod 611 of the solenoid valve 61, it passes through the second sleeve 632 Make a certain angle of rotation. If so, the second embodiment of the far and near lamp switching device of the vehicle lamp of the present invention is constructed and completed.

When the vehicle light is activated, the light generated by the light-emitting component 2 is reflected or refracted by the inner side of the reflector body 1, so that the light is projected toward the front of the vehicle. Referring to Fig. 7, when the headlights of the vehicle are switched to the far light, the solenoid valve 61 is energized, so that the coil inside the solenoid valve 61 generates magnetic force due to conduction, and the solenoid valve 61 The active bar 611 is to act upwards. At this time, the movable rod 611 drives the movable blocking piece 62 to move, so that the movable blocking piece 62 takes the pivot joint assembly 63 as the rotation axis, and moves along the guide rail groove 521 to Move down to the lower edge of the groove 51 of the fixed catch 5, so that the groove 51 is exposed, and the light beam is connected to the groove 51 from above the top edge of the fixed catch 5. The light pattern that passes through to form the high beam.

Please refer to Fig. 8 for further reference. When the lights of the vehicle are switched to near lights, the solenoid valve 61 is energized again, so that the coil inside the solenoid valve 61 generates a reverse magnetic force, and the solenoid valve 61 The active rod 611 of the solenoid valve 61 automatically moves towards the main body of the solenoid valve 61 to contract. At this time, the movable rod 611 drives the movable blocking piece 62 to move, so that the moving blocking piece 62 takes the pivot joint assembly 63 as the rotation axis and moves upward along the guide rail groove 521. displacement, and at the same time cover the groove 51 of the fixed baffle 5, so that light passes above the top edge of the fixed baffle 5 and the movable baffle 62 to form the low beam light pattern .

Through the above description, it can be seen that the biggest difference between the present utility model and the existing ones is that:

1. The improvement of the far and near light switch device of the utility model is that the solenoid valve of the adjustment device is arranged on the side of the reflector body, so that the solenoid valve can reduce the heat generated by the lamp, That is, there will be no situation where the magnetic force of the solenoid valve is weakened, which will cause the movable flap to be unsmooth when it is actuated. Furthermore, the volume of the solenoid valve is moderate, which is helpful for the design of the interior space of the car lamp group.

2. The improvement of the far and near light switching device of the utility model is that the bearing or a component similar to the bearing structure is used as the rotating shaft that pivotally connects the movable block and the fixed block, and the bearing itself contains a high resistance, Low-temperature lubricating oil can withstand multiple high-precision rotations, or use the second sleeve to rotate the inner hole of the first sleeve, and have a low friction ratio, thereby reducing the power consumption of the solenoid valve. The reduction of electricity helps to reduce the heat energy generated by the solenoid valve itself and reduce the temperature rise.

To sum up, the technical means disclosed in this utility model can indeed achieve the expected purpose and effect, and at the same time solve various problems and shortcomings of the existing devices and have long-term progress. Apply according to law.

The above description is only illustrative, rather than restrictive, of the present invention. Those of ordinary skill in the art understand that many modifications and changes can be made without departing from the spirit and scope defined by the following appended claims. Or equivalent, but all will fall within the protection domain of the present utility model.

Claims (8)

1. An improved far and near light switching device for car lights, characterized in that: it includes: mirror body; A light-emitting component, which is corresponding to the bottom of the reflector body, is used to reflect the light generated by the light-emitting component through the reflector body; A fixed block, which is provided with a groove on the top edge, and is fixed on the mirror body, and allows another part of the light to pass through the groove and above the top edge of the fixed block; The adjustment device includes a solenoid valve and a movable flap, the solenoid valve is provided with a movable rod, and the movable flap is extended with a connecting arm perpendicular to the movable flap body, which is connected to the movable flap body. The movable lever of the electromagnetic valve is connected, and the movable blocking piece is connected with the fixed blocking piece through a pivot assembly. 2. The improvement of the far and near lamp switching device for vehicle lights according to claim 1, characterized in that: the side edge of the fixed bracket is extended with a fixed portion perpendicular to the body of the fixed bracket for The electromagnetic valve is fixedly positioned. 3. The improvement of the far and near lamp switching device for vehicle lights according to claim 1, characterized in that a flange is provided on the top edge of the fixed blocking piece, and the movable blocking piece is located at the bottom of the fixed blocking piece. The front of the groove is used for the above-mentioned movable blocking plate to resist and limit. 4. The improvement of the far and near lamp switching device for vehicle lights according to claim 1, characterized in that a flange is provided on the other side edge of the fixing block away from the fixing part, and the flange is provided with a The guide rail groove is used for the sliding of the movable block in the guide rail groove. 5. The improvement of the far and near lamp switching device for vehicle lights according to claim 1, characterized in that: the end of the movable rod of the solenoid valve is provided with a connecting rod, and the other end of the connecting rod is connected to the movable gear The connecting arm of the piece is connected. 6. The improvement of the far and near lamp switching device for vehicle lights according to claim 1, characterized in that: said pivot assembly includes bearings and fixing pins, said bearings are fixed on said fixing baffles, said The fixed pin is fixed on the movable block and connected with the bearing. 7. The improvement of the far and near lamp switching device for vehicle lights according to claim 1, characterized in that: said pivot assembly includes a first sleeve, a second sleeve, a screw rod and a nut, and said first set The sleeve is hollow and fixed on the fixed block, the second sleeve is hollow and correspondingly passes through the first sleeve, so that the second sleeve is limited to the The first sleeve is used for rotation, the screw is fixed on the movable baffle and passes through the second sleeve correspondingly, and is locked on the screw with the nut . 8. The improvement of the far and near lamp switching device for vehicle lights according to claim 7, characterized in that flanges are respectively formed on both ends of the second sleeve, and the second sleeve is correspondingly pierced through the the first sleeve, and the flanges respectively abut against the two ends of the first sleeve.

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