LED TV reflective lens

Abstract

The utility model discloses an LED TV reflective lens which comprises a lens base and a sliding groove, the lens base is fixedly connected with a middle lens, and the middle lens is fixedly connected with a top lens; according to the utility model, the middle lens is fixed on the lens base by using the lens base as a support, the plum blossom-shaped groove is formed in the lens base, the middle lens is used as a support, the top lens is fixed on the middle lens, the top lens is used as a support, and the conical groove is formed in the top lens, so that the optical design is uniform in light spot and clear in color; the light spots are square, the plum blossom pattern is clear, the angle of the light spots can be larger, and the uniformity of the light spots is better when multiple lamp beads are overlapped; the excitation button is pressed, the connecting shaft, the long limiting plate and the short limiting plate are pressed downwards, the excitation button is rotated, the connecting shaft can be taken out, the left side protection device and the right side protection device can be conveniently disassembled, the lens can be effectively protected by the left side protection device and the right side protection device, and normal use of the lens cannot be affected by convenient disassembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reflection type lens, especially relates to a LEDTV reflection type lens. BACKGROUND

[0002] The reflection type lens can adjust the light reflection bowl angle according to the characteristics of different LED lamp beads, flexibly adapts to various light source layouts, and meets the design requirements of thin and light and high integration of television backlight; the reflection type lens can significantly improve the brightness performance by optimizing the light path through the light reflection bowl structure, the design can efficiently reflect and focus the light emitted by the LED light source, reduce light loss, and the light utilization rate can reach more than 95%; the reflection type design of multiple lamp beads cooperating with the light reflection bowl can realize wide area coverage and uniform light spot, avoid local over-brightness or shadow problem, and is especially suitable for large size television backlight demand; the reflection type structure does not need an additional light guide plate, simplifies the design of the backlight module, and reduces the production cost; meanwhile, due to high light utilization rate, the number of LED lamp beads can be reduced, and energy consumption can be further saved; but the common reflection type lens on the market has obvious defects: first, the light spot is single and unclear; second, there is no protective device, and the lens is easy to be damaged; therefore, it is necessary to design a LEDTV reflection type lens. SUMMARY

[0003] The utility model discloses a LEDTV reflection type lens, which solves the defects of single and unclear light spot and lack of protective device, and the lens is easy to be damaged.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a LEDTV reflection type lens, which comprises a lens base, a middle lens, a top lens, a left protective device, a right protective device, an excitation button, a plum blossom type groove, a short limiting plate and a sliding groove.

[0005] As a further technical scheme of the utility model, the lens base is symmetrically fixedly connected with a cylindrical protrusion, and the lens base is provided with a circular groove.

[0006] As a further technical scheme of the utility model, the lens base is in close contact with the left protective device and the right protective device on the side surface, and the left protective device is in close contact with the right protective device.

[0007] As a further technical scheme of the utility model, the excitation button is slidably connected in the groove of the left protective device, and the excitation button is fixedly connected with a connecting shaft.

[0008] As a further technical scheme of the utility model, the long limiting plate and the short limiting plate are fixedly connected to the connecting shaft symmetrically, the long limiting plate is close to the short limiting plate, and the long limiting plate and the short limiting plate are slidably connected in the sliding groove.

[0009] As a further technical scheme of the utility model, one end of the spring is fixedly connected in the groove of the left protection device, and the other end of the spring is close to the bottom of the connecting shaft.

[0010] As a further technical scheme of the utility model, the sliding groove is arranged on the limiting block, the limiting block is fixedly connected to the right protection device, the limiting block is slidably connected in the groove of the left protection device, and the connecting shaft is slidably connected in the groove of the limiting block.

[0011] The LEDTV reflecting lens has the advantages that: the middle lens is fixed on the lens base by taking the lens base as support, the plum-blossom-shaped groove is arranged on the lens base, the top lens is fixed on the middle lens by taking the middle lens as support, the conical groove is arranged on the top lens by taking the top lens as support, the optical design spot is uniform, the color is distinct, the spot is square and the plum-blossom pattern is clear, the spot angle can be larger and the light-emitting beads superimposed spot uniformity is better, the connecting shaft, the long limiting plate and the short limiting plate are pressed downward by pressing the exciting button, the connecting shaft can be taken out by rotating the exciting button, the left protection device and the right protection device are conveniently disassembled, the left protection device and the right protection device can effectively protect the lens, and the normal use of the lens is not affected by the convenient disassembly. DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Figure 1 It is the overall structural schematic diagram of the utility model;

[0014] Figure 2 It is the overall bottom view of the utility model;

[0015] Figure 3 It is the three-dimensional schematic diagram of the exciting button of the utility model;

[0016] Figure 4 It is the partial sectional view of the exciting button of the utility model.

[0017] In the figure: 1, lens base; 2, middle lens; 3, top lens; 4, conical groove; 5, left side protection device; 6, right side protection device; 7, excitation button; 8, cylindrical protrusion; 9, circular groove; 10, quincunx groove; 11, connecting shaft; 12, long limiting plate; 13, short limiting plate; 14, spring; 15, limiting block; 16, sliding groove. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to the drawings Figure 1 - the drawings Figure 4 An embodiment provided by the utility model: a LEDTV reflective lens, including lens base 1, middle lens 2, top lens 3, left side protection device 5, right side protection device 6, excitation button 7, quincunx groove 10, short limiting plate 13 and sliding groove 16, lens base 1 is fixedly connected with middle lens 2, middle lens 2 is fixedly connected with top lens 3, top lens 3 is provided with conical groove 4, and lens base 1 is provided with quincunx groove 10; lens base 1 is fixedly connected with cylindrical protrusion 8 symmetrically, and lens base 1 is provided with circular groove 9; the side surface of lens base 1 is close to left side protection device 5 and right side protection device 6, and left side protection device 5 is close to right side protection device 6; excitation button 7 is slidably connected in the groove of left side protection device 5, and connecting shaft 11 is fixedly connected to excitation button 7; long limiting plate 12 and short limiting plate 13 are fixedly connected to connecting shaft 11 symmetrically, long limiting plate 12 is close to short limiting plate 13, and long limiting plate 12 and short limiting plate 13 are slidably connected in sliding groove 16, and long limiting plate 12 and short limiting plate 13 are used for clamping the groove.

[0020] One end of spring 14 is fixedly connected in the groove of left side protection device 5, and the other end of spring 14 is close to the bottom of connecting shaft 11; sliding groove 16 is provided in limiting block 15, limiting block 15 is fixedly connected to right side protection device 6, limiting block 15 is slidably connected in the groove of left side protection device 5, connecting shaft 11 is slidably connected in the groove of limiting block 15, and left side protection device 5 and right side protection device 6 are used for protecting the lens.

[0021] Specifically, in use, first, the middle lens 2 is fixed on the lens base 1 with the lens base 1 as support, a plum blossom type groove 10 is formed on the lens base 1, the top lens 3 is fixed on the middle lens 2 with the middle lens 2 as support, a tapered groove 4 is formed on the top lens 3 with the top lens 3 as support, the optical design spot is uniform, the color is clear, the spot is square and the plum blossom pattern is clear, the spot angle can reach larger and the multi-lamp bead superposition spot uniformity is better; the excitation button 7 is pressed, the connecting shaft 11, the long limiting plate 12 and the short limiting plate 13 are pressed downward, the connecting shaft 11 can be taken out by rotating the excitation button 7, the left protection device 5 and the right protection device 6 are convenient to disassemble, the left protection device 5 and the right protection device 6 can effectively protect the lens, and the normal use of the lens is not affected.

[0022] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0023] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units. According to the actual needs, part or all of the modules can be selected to achieve the purpose of the present embodiment. Those skilled in the art can understand and implement without creative labor.

[0024] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A LED TV reflective lens comprising a lens base (1), a middle lens (2), a top lens (3), a left side protector (5), a right side protector (6), an excitation button (7), a star-shaped groove (10), a short limiting plate (13) and a sliding groove (16), characterized in that: The lens base (1) is fixedly connected with a middle lens (2), the middle lens (2) is fixedly connected with a top lens (3), the top lens (3) is provided with a tapered groove (4), and the lens base (1) is provided with a plum-blossom-shaped groove (10).

2. The reflective lens of claim 1, wherein: The lens base (1) is fixedly connected with a cylindrical convex (8) symmetrically, and the lens base (1) is provided with a circular groove (9).

3. The reflective lens of claim 2, wherein: The lens base (1) is close to a left protection device (5) and a right protection device (6) on the side, and the left protection device (5) is close to the right protection device (6).

4. The reflective lens of claim 3, wherein: The left protection device (5) is provided with a groove, and a trigger button (7) is slidably connected in the groove; the trigger button (7) is fixedly connected with a connecting shaft (11).

5. The LED TV reflective lens according to claim 4, characterized in that: The connecting shaft (11) is fixedly connected with a long limiting plate (12) and a short limiting plate (13) symmetrically; the long limiting plate (12) is close to the short limiting plate (13); and the long limiting plate (12) and the short limiting plate (13) are slidably connected in a sliding groove (16).

6. The reflective lens of claim 4, wherein: One end of a spring (14) is fixedly connected in the groove of the left protection device (5); and the other end of the spring (14) is close to the bottom of the connecting shaft (11).

7. The reflective lens of claim 5, wherein: The sliding groove (16) is arranged on a limiting block (15); the limiting block (15) is fixedly connected with the right protection device (6); the limiting block (15) is slidably connected in the groove of the left protection device (5); and the limiting block (15) is provided with a groove, and the connecting shaft (11) is slidably connected in the groove.

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