CN214151183U - Lens support and lens module - Google Patents

Abstract

The utility model relates to a laser technical field has and relates to a lens support and lens module. The utility model provides a lens support, includes support one and support two, the spread groove has been seted up on the support one, the spread groove tank bottom is provided with the fluorescence piece mounting hole, be provided with shoulder hole one on the support two, shoulder hole one includes 3 unidimensional holes at least, and the great hole of diameter is used for connecting big lens in two holes that are located shoulder hole one both ends, and the less hole of diameter is used for connecting the small lens in two holes that are located shoulder hole one both ends, the support is used for connecting the one end link of small lens, the link sets up in the spread groove. The utility model discloses a lens support simple structure is suitable for industry mass production, low in production cost.

Description

Lens support and lens module

Technical Field

The utility model relates to a laser technical field has and relates to a lens support and lens module.

Background

With the wide application of light emitting diodes and laser diodes, lighting devices using fluorescence generated by laser-excited phosphors as a light source have been increasingly prevalent.

As in the Chinese patent: CN201921693654.1 discloses a laser light source lighting module. The optical assembly comprises a lens, a fluorescent sheet, a cylindrical mirror and a light source; the lens, the fluorescent sheet and the cylindrical mirror are arranged on a light-emitting path of the light source; the lens is arranged on one side of the fluorescent sheet far away from the cylindrical mirror. In the prior art, a light source needs to be converted into parallel light to irradiate on a fluorescent sheet after being diffused, so that illumination light is emitted by laser, light energy is easy to lose in the conversion process, and the light energy utilization rate is reduced. Compare in prior art, this utility model shines on the fluorescent plate for a facula through the focus that the cylindrical mirror sent the light source to need not to spread the light that the light source sent, and then the effectual light energy loss of avoiding causing in the conversion process, thereby improved the utilization ratio of light energy.

However, this patent suffers from the following drawbacks: (1) the hemispherical lens, the focusing lens and the fluorescent sheet need to be adjusted to fixed positions during assembly, and the adjustment is difficult, so that the assembly time is long; (2) moreover, the hemispherical lens, the focusing lens and the fluorescent sheet are installed through the arranged lens support, so that the assembly efficiency is improved, but the lens support is complex in structure, difficult to manufacture and high in production cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is complicated to aim at solving lens support structure among the prior art, and technical problem that manufacturing cost is high provides a lens support and lens module.

The utility model discloses a following technical scheme realizes:

the utility model discloses an aspect provides a lens support, including support one and support two, the spread groove has been seted up on the support one, the spread groove tank bottom is provided with the fluorescence piece mounting hole, be provided with shoulder hole one on the support two, shoulder hole one includes 3 unidimensional holes at least, and the great hole of diameter is used for connecting big lens in two holes that are located shoulder hole both ends, and the less hole of diameter is used for connecting the small lens in two holes that are located shoulder hole both ends, the support is used for connecting the one end link of small lens, the link sets up in the spread groove.

Furthermore, the fluorescent piece mounting hole on the first support is a second stepped hole, the larger end of the second stepped hole is connected with the connecting groove, and the larger end of the second stepped hole is used for connecting the fluorescent piece.

Furthermore, the connecting end of the second bracket is matched with the connecting groove.

Furthermore, a step is arranged on the outer surface of the second bracket.

Furthermore, 3 holes with different sizes are arranged in the first stepped hole, and the 3 holes with different sizes are connected in an array from small to large.

Further, the first bracket is made of aluminum alloy or red copper.

The utility model discloses another aspect provides a lens module, include as above-mentioned the lens support, still include fluorescence piece, big lens and small lens, the fluorescence piece sets up in the fluorescence piece mounting hole, big lens and small lens all set up in the shoulder hole one of support two.

Further, the fluorescent sheet is fixed in the fluorescent sheet mounting hole through a screw.

Adopt above-mentioned technical scheme, the utility model discloses a following advantage:

1. the utility model discloses a lens support simple structure is suitable for industry mass production, low in production cost.

2. In the utility model, the connecting end of the second bracket is matched with the connecting groove, so that the coaxiality of the fluorescent sheet, the large lens and the small lens can be ensured through the matching of the structure; but by this structural cooperation also a stable connection is achieved.

3. The utility model discloses in be provided with the step on the surface of support two, when support one and two assembly connections of support, can play spacing effect.

4. The utility model provides a lens module, this part is installed in optical path system as a whole part, easy to produce installation and later maintenance, replacement.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a lens holder according to the present invention;

fig. 2 is a schematic structural view of a first bracket of the present invention;

FIG. 3 is a schematic structural view of a bracket II of the present invention;

fig. 4 is a schematic structural diagram of a lens module according to the present invention;

in the drawings: 10. the fluorescent film comprises a first bracket, 11, a connecting groove, 12, a fluorescent film mounting hole, 20, a second bracket, 21, a first stepped hole, 22, a connecting end, 23, a step, 30, a fluorescent film, 40, a large lens, 50 and a small lens.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended 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, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the present invention provides a lens holder, including a first support 10 and a second support 20, a connecting groove 11 has been provided on the first support 10, a fluorescent sheet mounting hole 12 is provided at the bottom of the connecting groove 11, a first stepped hole 21 is provided on the second support 20, the first stepped hole 21 at least includes 3 holes of different sizes, the hole with the larger diameter in two holes at both ends of the first stepped hole 21 is used for connecting a large lens 40, the hole with the smaller diameter in two holes at both ends of the first stepped hole 21 is used for connecting a small lens 50, the second support 20 is used for connecting a one end connecting end 22 of the small lens 50, and the connecting end 22 is provided in the connecting groove 11.

Based on the improvement of the shape and the structure of the lens support, the lens support has simpler structure and simpler processing technology, and reduces the production cost; the lens support is arranged into two parts, so that the fluorescent sheet 30, the large lens 40 and the small lens 50 can be conveniently assembled, the first support 10 and the second support 20 are directly connected and assembled into a whole after the assembly is finished, the assembly mode is simple, the assembly efficiency is high, and the production cost is low.

As shown in fig. 3, further, the connecting end 22 of the second bracket 20 is matched with the connecting slot 11. It will be appreciated that the outside diameter of the coupling end 22 is equal to the inside diameter of the coupling slot 11. When the connecting end 22 is connected in the connecting groove 11, the connecting end 22 is tightly matched with the connecting groove 11, and a fixing function can be achieved.

Further, a step 23 is arranged on the outer surface of the second bracket 20. As shown in fig. 3, the outer diameter of one end of the second bracket 20 is larger, the outer diameter of the other end is smaller, and the end with the smaller outer diameter is the connecting end 22, so that the end with the larger outer diameter forms a step 23; of course, this is only a preferred way to ensure that the size of the lens holder is small, which not only saves raw materials, but also has the advantage of reducing the size and weight when the lens holder is finally assembled in a machine.

Further, 3 holes with different sizes are arranged in the first stepped hole 21, and the 3 holes with different sizes are connected in an array from small to large. The large lens 40 and the small lens 50 can be assembled by arranging 3 holes with different sizes, so that the process of machining holes with more sizes can be avoided by arranging 3 holes with different sizes, and the advantage of low production cost is achieved.

Further, the bracket one 10 is made of aluminum alloy or red copper.

As shown in fig. 4, another aspect of the present invention provides a lens module, which includes the lens holder as described above, and further includes a fluorescent sheet 30, a large lens 40 and a small lens 50, wherein the fluorescent sheet 30 is disposed in the fluorescent sheet mounting hole 12, and the large lens 40 and the small lens 50 are both disposed in the first stepped hole 21 of the second holder 20.

Further, the fluorescent sheet 30 is fixed in the fluorescent sheet mounting hole 12 by a screw.

Will the utility model discloses a lens module sets up in optical path system, and the blue light that blue light LED sent passes through the spectroscope, and partly blue light gets into this lens module, through big lens 40 in proper order, and the quiet fluorescence piece 30 that gets into of little lens 50 arouses fluorescence piece 30 to produce the yellow light, and the yellow light that produces returns the spectroscope on its way, mixes into white light with the blue light of another part.

The lens is arranged in the optical path system as an integral component, so that the production, installation, later maintenance and replacement are convenient.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. A lens holder, characterized by: including support one (10) and support two (20), connecting groove (11) have been seted up on support one (10), connecting groove (11) tank bottom is provided with fluorescence piece mounting hole (12), be provided with shoulder hole one (21) on support two (20), shoulder hole one (21) include 3 not unidimensional holes at least, and the great hole of diameter is used for connecting big lens (40) in two holes that are located shoulder hole one (21) both ends, and the less hole of diameter is used for connecting little lens (50) in two holes that are located shoulder hole one (21) both ends, support two (20) are used for connecting one end link (22) of little lens (50), link (22) set up in connecting groove (11).

2. A lens holder as claimed in claim 1, wherein: and the connecting end (22) of the second bracket (20) is matched with the connecting groove (11).

3. A lens holder as claimed in claim 1 or 2, wherein: and a step (23) is arranged on the outer surface of the second bracket (20).

4. A lens holder as claimed in claim 1, wherein: the first stepped hole (21) is provided with 3 holes with different sizes, and the 3 holes with different sizes are connected in an arrangement from small to large.

5. A lens holder as claimed in claim 1, wherein: the first bracket (10) is made of aluminum alloy or red copper.

6. A lens module comprising a lens holder according to any one of claims 1 to 5, wherein: the fluorescent screen is characterized by further comprising a fluorescent sheet (30), a large lens (40) and small lenses (50), wherein the fluorescent sheet (30) is arranged in the fluorescent sheet mounting hole, and the large lens (40) and the small lenses (50) are arranged in the first stepped hole (21) of the second support (20).

7. The lens module of claim 6, wherein: the fluorescent sheet (30) is fixed in the fluorescent sheet mounting hole through a screw.

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