CN210291718U - Light screen reversing mechanism for automobile headlamp - Google Patents

Abstract

The utility model discloses a shine headlight and use light screen reversing mechanism before car, including the shading frame, be equipped with both ends on the shading frame and rotate respectively and connect the light screen on the shading frame, the one end of light screen is stretched out the shading frame and is equipped with the turning block on it, and the outside of turning block is equipped with the magnetic induction module, and the magnetic induction module includes iron core one, is located iron core two and the iron core three of an iron core both sides respectively, around having the coil on the iron core one, the coil can produce the forward pulse after giving instantaneous forward circular telegram, the coil can produce reverse pulse after giving instantaneous reverse circular telegram, be equipped with the magnet that one end adsorbs iron core one, the other end adsorbs iron core two or iron core three on the turning block. The reversing mechanism adopts pulse reversing, achieves self-holding when no pulse is given, saves energy consumption, is convenient and fast to reverse, has perfect integral function and strong practicability.

Description

Light screen reversing mechanism for automobile headlamp

Technical Field

The utility model relates to a reversing mechanism, more specifically say, it relates to a shine headlight with light screen reversing mechanism before car.

Background

The headlight is shining before the car in manufacturing process, and is changeable in order to reach far and near light, can set up the light screen that can shelter from the far and near light in headlight inside, nevertheless because far and near light is still switched from time to time, consequently, inside need add the mechanical structure who carries out the switching-over to the light screen, but current reversing mechanism is driven control by the motor more, and its switching-over structure is complicated to integrated back headlight is bulky, and the quality is heavy, and the installation is inconvenient, and whole effect is not good. Therefore, the utility model provides a shine headlight and use light screen reversing mechanism before car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a shine headlight and use light screen reversing mechanism before car, this reversing mechanism adopts the pulse switching-over, reaches the self-sustaining when not giving the pulse, practices thrift the energy consumption, and it is convenient to commutate.

In order to solve the technical problem, the purpose of the utility model is to realize like this: the utility model relates to a shine headlight and use light screen reversing mechanism before car, including the shading frame, be equipped with both ends on the shading frame and rotate respectively and connect the light screen on the shading frame, the one end of light screen is stretched out the shading frame and is equipped with the turning block on it, and the outside of turning block is equipped with the magnetic induction module, and the magnetic induction module includes iron core one, is located iron core two and the iron core three of an iron core both sides respectively, around having the coil on the iron core one, the coil can produce the forward pulse after giving instantaneous forward circular telegram, the coil can produce reverse pulse after giving instantaneous reverse circular telegram, be equipped with the magnet that one end adsorbs iron core one, the other end adsorbs iron core two or iron core three on the turning block.

The utility model discloses further set up to: the first iron core, the second iron core and the third iron core are of an integrated structure and are E-shaped.

The utility model discloses further set up to: and the rotating block is provided with a magnet hole for embedding a magnet.

The utility model discloses further set up to: the shading frame comprises a main frame body and a secondary frame body, wherein rotating grooves for embedding the two ends of the shading plate are formed in the two sides of the main frame body respectively, the notch level of each rotating groove is forward, positioning clamping grooves located in the notches of the rotating grooves are further formed in the two sides of the main frame body, the positioning clamping grooves vertically extend from bottom to top, and positioning edges embedded into the positioning clamping grooves are formed in the two sides of the secondary frame body respectively.

The utility model discloses further set up to: and the secondary frame body is provided with a limiting bulge abutted against the main frame body.

To sum up, the utility model discloses following beneficial effect has:

1. the magnet is adsorbed on two adjacent iron cores of the magnetic induction module in a natural state, so that the self-holding of the shading plate is achieved; pulses in different directions are given to the iron core, so that magnetic poles which repel each other in an opposite direction with the magnets are formed at the end part of the iron core I, the magnets are pushed away, the light shielding plate is driven to rotate, the light shielding plate is switched between far light and near light, the reversing is convenient and fast, the reversing is achieved without long-time power supply, and the energy consumption is saved;

2. the first iron core, the second iron core and the third iron core are of an integral structure, so that the manufacturing and the processing are convenient, and the assembly is convenient;

3. the magnets are installed in an embedded mode, and are not prone to falling off from the rotating blocks after being rotated repeatedly, and installation is firmer and more stable;

4. the shading frame is formed by combining the main frame body and the secondary frame body, so that the shading plate is convenient to mount;

5. the limit protrusion is additionally arranged, so that the limit effect after the secondary frame body is installed is achieved, and a preset position for installing the secondary frame body on the main frame body is provided.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

fig. 3 is a schematic structural view for embodying the main frame of the present invention;

fig. 4 is a schematic structural view of the present invention for showing the secondary frame body.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is provided in conjunction with the specific examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent requirements of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1 to 4, the light screen reversing mechanism for the automobile headlamp according to the embodiment includes a light screen frame 1, a light screen 2 is arranged on the light screen frame 1, two ends of the light screen 2 are respectively rotatably connected to the light screen frame 1, one end of the light screen 2 extends out of the light screen frame 1 and is provided with a rotating block 3, a magnetic induction module is arranged outside the rotating block 3, the magnetic induction module includes a first iron core 4, a second iron core 5 and a third iron core 6, the second iron core 5 and the third iron core 6 are respectively located on two sides of the first iron core 4, a coil 7 is wound on the first iron core 4, the coil 7 can generate a forward pulse after being subjected to instantaneous forward energization, the coil 7 can generate a reverse pulse after being subjected to instantaneous reverse energization, and a magnet 8 is arranged on the rotating block 3, one end of.

In this embodiment, one end of the magnet 8 is an "S" pole, and the other end is an "N" pole, when the magnet is in a non-commutation state, the coil 7 is not energized, and there is no pulse current, and in this state, one end of the magnet 8 adsorbs the end of the first iron core 4, and the other end adsorbs the end of the second iron core 5 or the end of the third iron core 6; when the shading plate 2 needs to be reversed, the coil 7 is instantly electrified to generate a pulse signal, the end part of the iron core 4 generates a magnetic pole which is the same as the magnetic pole adsorbed on the iron core, so that the two magnetic poles repel each other in the same polarity, the rotating block 3 is pushed away, the other opposite magnetic pole on the magnet 8 is attracted to achieve the reversing, when the coil 7 is given with a reversed pulse signal again, the other magnetic pole can be generated, the resetting of the rotating block 3 can be realized again, and the reversing of the shading plate 2 is realized.

Furthermore, the first iron core 4, the second iron core 5 and the third iron core 6 are of an integrated structure and are E-shaped, and the iron core is convenient to manufacture and process and convenient to assemble.

Furthermore, magnet hole 9 that supplies magnet 8 to imbed has been seted up on the turning block 3, and magnet 8 adopts embedded installation, is difficult for droing from turning block 3 after the rotation repeatedly, and the installation is more firm, stable.

Further, the shading frame 1 includes a main frame body 10 and a secondary frame body 11, the rotation grooves 12 for embedding the two ends of the shading plate 2 are respectively provided on the two sides of the main frame body 10, the notch level of the rotation grooves 12 is forward, the positioning clamping grooves 13 located on the notches of the rotation grooves 12 are also provided on the two sides of the main frame body 10, the positioning clamping grooves 13 vertically extend from bottom to top, and the positioning edges 14 embedded into the positioning clamping grooves 13 are respectively provided on the two sides of the secondary frame body 11.

The two ends of the shading plate 2 are respectively embedded into the rotating grooves 12 on the main frame body 10, then the secondary frame body 11 is taken, and the positioning edges 14 on the two sides of the secondary frame body are embedded into the positioning clamping grooves 13 from top to bottom, so that the assembly of the shading plate 1 and the installation of the shading plate 2 are completed.

Further, be equipped with spacing arch 15 of butt main frame body 10 on inferior support body 11, spacing arch 15 add, reach the limiting displacement after accomplishing the installation of inferior support body 11, give it and install a preset position on main frame body 10.

The utility model relates to a light screen reversing mechanism for automobile headlamp, which is adsorbed on two adjacent iron cores of a magnetic induction module by a magnet under a natural state to achieve the self-holding of the light screen; pulses in different directions are given to the iron core, so that magnetic poles which repel each other in an opposite direction with the magnets are formed at the end part of the iron core I, the magnets are pushed away, the light shielding plate is driven to rotate, the light shielding plate is switched between far light and near light, the reversing is convenient and fast, the reversing is achieved without long-time power supply, and the energy consumption is saved; the first iron core, the second iron core and the third iron core are of an integrated structure, so that the manufacturing and the processing are convenient, and the assembly is convenient; the magnets are installed in an embedded mode, so that the magnets are not easy to fall off from the rotating blocks after being rotated repeatedly, and the installation is firmer and more stable; the shading frame is formed by combining the main frame body and the secondary frame body, so that the shading plate is convenient to mount; through the addition of the limiting bulges, the limiting effect after the secondary frame body is installed is achieved, and a preset position for installing the secondary frame body on the main frame body is provided.

Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.

Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (5)

1. The light screen reversing mechanism for the automobile headlamp comprises a light screen frame, wherein two ends of the light screen frame are respectively connected with a light screen on the light screen frame in a rotating manner, and the light screen reversing mechanism is characterized in that: the one end of light screen is stretched out the shading frame and is equipped with the turning block on it, and the outside of turning block is equipped with the magnetic induction module, and the magnetic induction module includes iron core one, is located iron core two and the iron core three of an iron core both sides respectively, around having the coil on the iron core one, can produce the forward pulse after the coil gives instantaneous forward circular telegram, can produce the reverse pulse after the coil gives instantaneous reverse circular telegram, be equipped with the magnet that one end adsorbs iron core one, the other end adsorbs iron core two or iron core three on the turning block.

2. The light screen reversing mechanism for the headlamp of the automobile as claimed in claim 1, wherein: the first iron core, the second iron core and the third iron core are of an integrated structure and are E-shaped.

3. The sun visor changing mechanism for an automobile headlamp according to claim 1 or 2, characterized in that: and the rotating block is provided with a magnet hole for embedding a magnet.

4. The sun visor reversing mechanism for an automobile headlamp according to claim 3, wherein: the shading frame comprises a main frame body and a secondary frame body, wherein rotating grooves for embedding the two ends of the shading plate are formed in the two sides of the main frame body respectively, the notch level of each rotating groove is forward, positioning clamping grooves located in the notches of the rotating grooves are further formed in the two sides of the main frame body, the positioning clamping grooves vertically extend from bottom to top, and positioning edges embedded into the positioning clamping grooves are formed in the two sides of the secondary frame body respectively.

5. The light screen reversing mechanism for the headlamp of the automobile as claimed in claim 4, wherein: and the secondary frame body is provided with a limiting bulge abutted against the main frame body.

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