TWI681885B - headlamp - Google Patents

Abstract

A headlight includes a mounting base and several light-emitting units. The mounting base includes several mounting parts. The light-emitting units are respectively mounted on the mounting parts. Each light-emitting unit includes a lamp housing, a light-emitting member installed in the lamp housing, and an adjusting member for adjusting the angular position of the lamp housing. The lamp housing includes a housing body, an extension body extending backward from the housing body, and a rotating block protruding downward from the bottom of the housing body, the rotating block having an arc-shaped rotating arc surface. The adjusting member has a body part that passes downward through the extension body and is screwed to the mounting portion. When the adjusting member rotates, it can drive the housing body to pivot up and down with the rotating block as the rotation center to adjust the light emitting angle. The adjustment structure of the invention is simple, and the components rotate smoothly when being adjusted.

Description

headlamp

The invention relates to a headlight, in particular to a headlight that can be used as a far light, a near light, a direction light, etc. of a vehicle.

At present, in the design of vehicle headlights, there is a structure in which a plurality of light-emitting modules are simultaneously arranged in the lamp housing of the headlights, the light-emitting modules can independently emit light, and the light of the light-emitting modules cooperate to form a functionality Lamps, for example, several light-emitting modules together form a far lamp, or a near lamp. After the light-emitting modules are installed in the lamp housing, the installation angle of each light-emitting module needs to be adjusted slightly to make the light beams emitted by the light-emitting modules have the correct angle and meet the requirements of regulations. For example, the headlight of the M570809 patent previously applied by the applicant in this case provides an innovative adjustment structure. In view of the large demand for headlights in the consumer market, it is a very important issue to develop a headlight that is convenient to adjust the angle of light emission.

Therefore, the purpose of the present invention is to provide a headlamp with innovative structure and convenient adjustment of the light emission angle.

Therefore, the headlamp of the present invention includes a mounting base and several light-emitting units.

The mounting base includes several mounting portions, each mounting portion includes a bottom wall having a top surface and a bottom surface opposite, and a screw hole extending from the top surface to the bottom surface. The light-emitting units are respectively installed at the mounting parts and above the bottom wall, and each light-emitting unit includes a lamp housing, a light-transmitting cover installed at the front end of the lamp housing, and a light emitted from the lamp housing and emitted A light-emitting member that can be projected forward through the light-transmitting cover, and an adjusting member for adjusting the angular position of the lamp housing, the lamp housing includes a housing body into which the light-emitting member is installed, and a housing body facing from the housing body A rearwardly extending extension body and at least one rotating block protruding downward from the bottom of the housing body, the at least one rotating block has an arcuate rotating arc surface contacting the top surface of the bottom wall, and the adjusting member has a A head located above the extension body, and a body part that passes through the extension body from the head downward and is screwed with the screw hole of the bottom wall, and the adjustment member can drive the extension body to move up and down when it rotates, The shell body is pivoted up and down with the at least one rotating block as the center of rotation.

The effect of the present invention lies in that: by adjusting the adjusting member, the rotating direction of the lamp housing can be driven to adjust the light emitting angle of the light emitting member. The adjusting structure is simple and practical, and the adjusting method is convenient. The rotating arc surface of the rotating block adopts an arc design, and the arc-shaped rotating arc surface contacts the top surface of the bottom wall, so that the rotating block can be smoothly turned to various angles when rotating, so the lamp housing can be rotated by the The block rotates smoothly as the center of rotation.

Referring to FIGS. 1-4, an embodiment of the headlamp of the present invention includes a housing 1, a mounting base 2, and a plurality of light-emitting units 3.

The housing 1 is used for installing the mounting base 2 and the light-emitting units 3 therein. The structure of the housing 1 is not the focus of the improvement of the present invention, so it will not be described here.

The mounting base 2 includes several integrally connected mounting portions 21, each mounting portion 21 includes a bottom wall 22, and two left and right limiting groups 23 disposed above the bottom wall 22. The bottom wall 22 has a top surface 221 and a bottom surface 222 opposite to each other, and a screw hole 223 extending from the top surface 221 to the bottom surface 222. The top surface 221 gradually extends downward and downward.

Each limiting group 23 includes a first side wall 231 and a second side wall 232 extending upward from the bottom wall 22 and spaced left and right, and two extending from the top of the first side wall 231 and the top of the second side wall 232 respectively The top wall 233 and a blocking wall 234 connected to the front ends of the first side wall 231 and the second side wall 232. The first side wall 231, the second side wall 232 and the top walls 233 define a mounting groove 235 extending forward and backward and opening backward. The blocking wall 234 blocks the front side of the mounting groove 235 so that the front end of the mounting groove 235 has no opening.

Taking the two limiting groups 23 as a whole, the second side walls 232 are located between the first side walls 231, and the lengthwise extension of the second side walls 232 is smaller than the lengthwise extension of the first side walls 231 . Therefore, an installation space 236 communicating with the installation grooves 235 is formed behind the second side walls 232 and between the first side walls 231.

The light-emitting units 3 are respectively mounted on the mounting portions 21 and located above the bottom wall 22, each light-emitting unit 3 includes a lamp housing 31, a light-transmitting cover 32 installed at the front end of the lamp housing 31, and a lamp installed on the lamp The light emitted in the housing 31 can be emitted forward through the light-transmitting cover 32, and an adjusting member 34 for adjusting the angular position of the lamp housing 31.

The lamp housing 31 includes a housing body 311 into which the light-emitting element 33 is installed, an extension body 312 extending backward from the housing body 311 and forming a through hole 314 extending vertically, and two left and right intervals And the rotating block 313 protruding downward from the bottom of the shell body 311. Each rotating block 313 has an arc-shaped rotating arc surface 315 that contacts the top surface 221 of the bottom wall 22. Specifically, the rotating block 313 in this embodiment is spherical, and the rotating arc surface 315 is a spherical surface. The adjusting member 34 has a head 341 above the extension 312, a body 342 with an external thread passing through the extension 312 from the head 341 downward, and a number of diameters from the body 342 To protruding protrusion 343. Each protruding portion 343 has a slanting pushing surface 344 which gradually inclines radially inwards from top to bottom.

During assembly in this embodiment, each light-emitting unit 3 is moved from the rear to the front, and the rotating blocks 313 of the light-emitting unit 3 are moved forward from the installation space 236 to extend into the installation grooves 235 respectively, and then the adjusting member 34 The body 342 passes through the extension 312 of the lamp housing 31 from top to bottom. Due to the inclined design of the inclined surfaces 344 of the protrusions 343 of the adjusting member 34, the protrusions 343 can be pushed down through the through holes 314 of the extension 312. After assembly, the head 341 and the protruding portions 343 are respectively located above and below the extension body 312 to cooperate and fix the extension body 312, and the body portion 342 of the adjusting member 34 and the screw hole 223 of the bottom wall 22 are screwed Pick up.

Referring to FIGS. 4 and 5, to adjust the light-emitting angle of each light-emitting unit 3, the adjustment member 34 is driven by a motor not shown or manually rotated, so that the extension body 312 can be moved up and down, so that the housing body 311 follows With the rotating blocks 313 as the center of rotation, it pivots up and down, so that the light emitting element 33 in the housing body 311 can be driven to change the light emission angle. Compared with FIG. 4 in FIG. 5, after the adjusting member 34 rotates, the extension body 312 is moved downward, and then the housing body 311 is moved upward. Of course, in the state of FIG. 4, the adjusting member 34 can also be rotated in the reverse direction to move the extension body 312 upward, and then the housing body 311 can be driven downward.

It is worth mentioning that the rotating arc surface 315 of the rotating blocks 313 adopts an arc design, and the arc-shaped rotating arc surface 315 contacts the top surface 221 of the bottom wall 22 so that the rotating block 313 can smoothly rotate when rotating At various angles, there is no problem that the rotation block 313 is caught between the bottom wall 22 and the rotation is not smooth. In the implementation of the present invention, one rotating block 313 may also be provided. In this case, the single rotating block 313 may be centrally disposed under the center of the shell body 311, and the limiting group 23 may also be correspondingly provided.

In summary, by adjusting the adjustment member 34, the rotation direction of the lamp housing 31 can be driven to adjust the light emitting angle of the light-emitting member 33. The adjustment structure is simple and practical, and the adjustment method is convenient. The design of the rotating arc surface 315 of the rotating block 313 makes the rotating block 313 similar to the universal joint. When the lamp housing 31 pivots, the rotating block 313 can be smoothly rotated with the rotating block 313 as the center of rotation.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as This invention covers the patent.

1‧‧‧Housing

2‧‧‧Mount

21‧‧‧Installation Department

22‧‧‧Bottom wall

221‧‧‧Top

222‧‧‧Bottom

223‧‧‧Screw hole

23‧‧‧Limit group

231‧‧‧First side wall

232‧‧‧Second side wall

233‧‧‧Top wall

234‧‧‧retaining wall

235‧‧‧Installation ditch

236‧‧‧Installation space

3‧‧‧Lighting unit

31‧‧‧Light shell

311‧‧‧Shell body

312‧‧‧Extended body

313‧‧‧Rotating block

314‧‧‧Through hole

315‧‧‧Rotary arc

32‧‧‧Transparent cover

33‧‧‧Lighting

34‧‧‧Adjustment

341‧‧‧Head

342‧‧‧ Body

343‧‧‧Projection Department

344‧‧‧inclined push surface

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: 1 is an exploded perspective view of an embodiment of the headlamp of the present invention; FIG. 2 is a combined front view of the embodiment; Figure 3 is a partial front sectional view of an incomplete one of the embodiments; Fig. 4 is a partial side sectional view of one of the embodiments; and FIG. 5 is a cross-sectional view similar to FIG. 4, illustrating that an adjustment member rotates and then moves downward, and drives a lamp housing to pivot relative to the state of FIG. 4.

22‧‧‧Bottom wall

221‧‧‧Top

3‧‧‧Lighting unit

31‧‧‧Light shell

311‧‧‧Shell body

312‧‧‧Extended body

33‧‧‧Lighting

34‧‧‧Adjustment

Claims (8)

A headlight includes: a mounting base including a plurality of mounting portions, each mounting portion includes a bottom wall, the bottom wall has a top surface and a bottom surface opposite, and a screw extending from the top surface to the bottom surface Holes; and several light-emitting units, which are respectively mounted on the mounting parts and located above the bottom wall, each light-emitting unit includes a lamp housing, a light-transmitting cover installed at the front end of the lamp housing, and one installed in the lamp housing And the emitted light can be emitted forward through the light-transmitting cover and a light-adjusting member for adjusting the angular position of the lamp housing. The lamp housing includes a housing body in which the light-emitting member is installed, a self- An extension body extending backward of the shell body, and at least one rotating block protruding downward from the bottom of the shell body, the at least one rotating block has an arc-shaped rotating arc surface contacting the top surface of the bottom wall, the The adjusting member has a head located above the extension body, and a body part that passes through the extension body from the head downward and is screwed with the screw hole of the bottom wall, and the adjustment member can drive the extension when rotating The body moves up and down, so that the shell body pivots up and down with the at least one rotating block as the rotation center. The headlight according to claim 1, wherein each light-emitting unit includes two rotating blocks spaced left and right. The headlight according to claim 2, wherein each mounting portion of the mounting base further includes a limit group provided on the left and right sides and respectively assembled for the rotating blocks, and each limit group includes upwards from the bottom wall A first side wall and a second side wall extending and spaced left and right, and two top walls respectively extending from the top of the first side wall and the top of the second side wall, the first side wall, the second side wall and the like The top wall collectively defines a mounting groove extending forward and backward and having an opening facing backwards. The mounting groove is provided for assembling the rotating blocks on the same side from back to front. The headlight of claim 3, wherein each of the limiting groups further includes a blocking wall connected to the front ends of the first side wall and the second side wall. The headlight according to claim 1, wherein the at least one rotating block is spherical and the rotating arc surface is spherical. The headlight according to claim 1, wherein the top surface of the bottom wall gradually extends downward and downward. The headlight according to claim 1, wherein the adjusting member further has a protruding portion protruding radially from the body, and the head and the protruding portion of the adjusting member are respectively located above and below the extension body To fix the extension. The headlight according to claim 7, wherein the protruding portion has an inclined pushing surface which gradually inclines radially inwards from top to bottom.

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