CN220749923U - Light guide structure free of space limitation - Google Patents

Abstract

The utility model discloses a light guide structure which is not limited by space in the field of control panels, and the light guide structure comprises a circuit board, wherein an LED lamp is arranged on the circuit board, a light guide column is arranged on the LED lamp in a matched manner, a light inlet of the light guide column is opposite to the LED lamp, and a light outlet of the light guide column is connected with a surface shell through a fixing structure and is attached to a light-emitting area of the surface shell, so that the light guide structure can be directly connected with an LED and a light-emitting area of a shell. The light-emitting diode LED lamp has the advantages that the light-guiding column is fixedly connected with the face shell through the fixing structure, light emitted by the LED lamp can be directly transmitted to the light-emitting port through the light-inlet of the light-guiding column and directly irradiates the light-emitting area of the face shell, so that the light-emitting area of the face shell emits light, the light is transmitted to the light-emitting area of the shell, a product and a die are simplified, the function is stable and reliable, the installation is simple, the circuit is not required to be damaged due to falling, and the product is firm and reliable.

Description

Light guide structure free of space limitation

Technical Field

The utility model relates to a light guide structure which is not limited by space in the field of control panels.

Background

The control panel is used for controlling intelligent home, wherein a luminous area is arranged on the panel, and the LED lamps arranged on the circuit board in the panel emit light and transmit out of the luminous area, so that the outside of the panel is lightened. But limited by the control panel modeling, the light emitting LED lights on the circuit board are farther from the light emitting area of the panel housing. In the prior art, in order to better transmit light to the light-emitting area of the panel shell, a circuit auxiliary board is generally added, the auxiliary board is close to the light-emitting area of the shell, and the auxiliary board is connected with the main board through wires. An LED lamp is provided on the sub-board so that the LED lamp approaches the light emitting area. But doing so has the following drawbacks: the product structure is too complicated, and the installation is difficult, increases the human cost, and the wire is insecure, drops easily, causes the complete machine to scrap.

Disclosure of Invention

The utility model aims to provide a light guide structure which is not limited by space, directly connects an LED and a shell luminous area, transmits light to the shell luminous area, simplifies products and dies, has stable and reliable functions, is simple to install, does not worry about dropping and damaging a circuit, and is firm and reliable.

In order to achieve the above purpose, the utility model provides a light guide structure which is not limited by space, comprising a circuit board, wherein an LED lamp is arranged on the circuit board, a light guide column is arranged on the LED lamp in a matched manner, a light inlet of the light guide column is opposite to the LED lamp, and a light outlet of the light guide column is connected with a surface shell through a fixing structure and is attached to a light emitting area of the surface shell, so that the light guide structure can be directly connected with an LED and a light emitting area of a shell.

Compared with the prior art, the LED lamp has the beneficial effects that the light guide column is fixedly connected with the surface shell through the fixing structure, light emitted by the LED lamp can be directly transmitted to the light outlet through the light inlet of the light guide column and directly irradiates the light-emitting area of the surface shell, so that the light-emitting area of the surface shell emits light, the light is transmitted to the light-emitting area of the shell, a product and a die are simplified, the function is stable and reliable, the installation is simple, the circuit is not damaged due to falling, and the product is firm and reliable.

As a further improvement of the utility model, the fixing structure comprises a buckle arranged at the periphery of the light outlet, and the buckle is matched with a clamping groove arranged on the inner wall of the face shell.

Like this, the light outlet of leaded light post is laminated with the luminous region of face-piece, through the cooperation of buckle and draw-in groove and face-piece joint to make the leaded light post by fixed mounting.

As a further improvement of the utility model, the buckle comprises a circle of clamping ring arranged at the periphery of the light outlet, positioning blocks are arranged at two ends of the clamping ring, the clamping groove comprises three concentric arc plates, the arc plates are distributed on the same circumference, one arc plate is positioned at the top of the upper half circumference of the circumference, the other two arc plates are positioned at the lower half circumference of the circumference and are symmetrical to each other, annular grooves matched with the clamping ring are formed in the inner wall of the arc plate, and the positioning blocks are respectively matched with the two arc plates positioned at the lower half circumference.

The clamping groove is formed by the three arc plates, the light-emitting opening of the light guide column is opposite to the clamping groove, the position of the light guide column is determined by the mutual matching of the positions of the positioning block and the two arc plates, the light-emitting opening is inserted into the clamping groove, the arc plates are extruded by the clamping ring, the arc plates are outwards jacked until the clamping ring is clamped into the annular groove, and the light guide column cannot continue to move, so that the light guide column cannot be separated from the clamping groove.

As a further improvement of the utility model, the inner wall of the face shell is also provided with a limiting plate, and the end head of the limiting plate is provided with a limiting groove matched with the periphery of the light guide column.

The light outlet of the light guide column is inserted into the clamping groove, and meanwhile, the light guide column is also partially and directly clamped in the clamping groove, so that the rotation of the light guide column is avoided, and the light guide is further fixed.

As a further improvement of the utility model, the light guide column is made of transparent PC material, thus the light transmittance of the light guide column can reach 93 percent, the refractive index can reach 2.587, the transmission rate can reach more than 90 percent, and the light transmission can be better satisfied.

Drawings

FIG. 1 is a schematic view of the assembled structure of the present utility model.

Fig. 2 is a schematic diagram of the assembly of the circuit board and the light guide column according to the present utility model.

Fig. 3 is a schematic view of the structure of the face housing and the light guiding column of the present utility model.

Fig. 4 is a schematic view of the internal structure of the face-piece according to the present utility model.

Fig. 5 is a diagram showing the luminous effect of the present utility model.

The LED lamp comprises a clamping groove 1, a surface shell 2, a light guide column 3, a circuit board 4, a light outlet 5, a positioning block 6, a clamping ring 7, a light inlet 8, an LED lamp 9, an arc-shaped plate 10, an annular groove 11, a limiting plate 12 and a limiting groove 13.

Description of the embodiments

The utility model is further described below with reference to the accompanying drawings:

the light guiding structure without limitation of space as shown in fig. 1-4 comprises a circuit board 4, and an LED lamp 9 is arranged on the circuit board 4, which is characterized in that: the LED lamp 9 is provided with the light guide column 3 in a matching way, the light inlet 8 of the light guide column 3 is opposite to the LED lamp 9, and the light outlet 5 of the light guide column 3 is connected with the face shell 2 through a fixed structure and is attached to the light emitting area of the face shell 2. The fixed knot constructs including setting up the buckle in light outlet 5 periphery, buckle and the draw-in groove 111 phase-match that sets up on face-piece 2 inner wall.

The buckle is including setting up the round snap ring 7 at light outlet 5 periphery, and the both ends of snap ring 7 are provided with locating piece 6, and draw-in groove 111 includes three concentric arc 10, and arc 10 distributes on same circumference, and wherein an arc 10 is in the top of the last half circumference of circumference, and other two are in the lower half circumference of circumference and mutual symmetry, have seted up the annular that matches with snap ring 7 on the inner wall of arc 10, locating piece 6 respectively with be in two arcs 10 assorts of lower half circumference. The inner wall of the face shell 2 is also provided with a limiting plate 12, and the end of the limiting plate 12 is provided with a limiting groove 13 matched with the periphery of the light guide column 3. The light guide column 3 is made of transparent PC material.

In the utility model, two light-emitting areas are arranged on the face shell 2, each light-emitting area is correspondingly provided with a clamping groove 111, each clamping groove 111 is formed by three concentric arc plates 10, an annular groove is formed in the inner wall of each arc plate 10, two arc plates 10 are positioned at the lower half circumference of a concentric circle and are symmetrical relative to the center of a circle, and a third arc plate 10 is positioned at the middle part of the upper half circumference.

The LED lamps 9 of the circuit board 4 are arranged in two, each LED lamp corresponds to one light guide column 3, the light guide columns 3 are processed into an S shape, the light inlet 8 of each light guide column is opposite to the lamp beads of the LED lamps 9, and the light outlet 5 of each light guide column is inserted into the clamping groove 111 and opposite to the light emitting area. During assembly, firstly, the light outlet 5 of the light guide column 3 is opposite to the clamping groove 111, the alignment between the light outlet 5 and the clamping groove 111 is realized through the alignment between the positioning block 6 and the top end of the arc plate 10 positioned on the lower circumference of the circumference, the light outlet 5 of the light guide column 3 is pushed into the clamping groove 111, the bottom ends of the positioning block 6 are jointed with the top ends of the corresponding arc plates 10, the clamping rings 7 on the periphery of the light outlet 5 jack the three arc plates 10 outwards and finally are clamped with the clamping groove 111 on the arc plate 10, so that the light outlet 5 of the light guide column 3 is clamped with the clamping groove 111, the lower part of the light guide column 3 is inserted into the limiting groove 13 of the limiting plate 12, the position of the light guide column 3 is completely limited, the circuit board 4 cannot be moved, the circuit board 4 is assembled with the panel, and the light inlet 8 of the light guide column 3 is just opposite to the LED lamp 9.

The light guide column 3 is made of transparent PC material, so that the light transmittance can reach 93%, the refractive index can reach 2.587, and the light transmission can be completely satisfied; in addition, the whole weight of the part is light, the light outlet 5 is fixed after being clamped with the clamping groove 111, the whole structure is firmly assembled, and the other end is not required to be fixedly connected with the circuit board 4.

The LED light guide column is directly connected with the shell luminous area through the S-shaped light guide column 3, and light is transmitted to the shell luminous area, so that the product and the die are simplified, the function is stable and reliable, the installation is simple, the circuit is not damaged due to falling, and the product is firm and reliable.

The present utility model is not limited to the above-described embodiments, and based on the technical solutions of the present disclosure, those skilled in the art may make some substitutions and modifications to some technical features thereof without creative efforts, which are all within the scope of the present utility model.

Claims (5)

1. The utility model provides a light guide structure who does not receive space restriction, includes the circuit board, is provided with the LED lamp on the circuit board, its characterized in that: the LED lamp is provided with a light guide column in a matching way, a light inlet of the light guide column is opposite to the LED lamp, and a light outlet of the light guide column is connected with the surface shell through a fixing structure and is attached to a light-emitting area of the surface shell.

2. A light guide structure free of space limitations as recited in claim 1, wherein: the fixed knot constructs including setting up the buckle in light outlet periphery, buckle and the draw-in groove phase-match of setting on the face-piece inner wall.

3. A light guide structure free of space limitations as claimed in claim 2, wherein: the buckle is including setting up the round snap ring at the light outlet periphery, and the both ends of snap ring are provided with the locating piece, and the draw-in groove includes three concentric arcs, and the arc distributes on same circumference, and wherein an arc is in the top of the first half of circumference, and other two are in the second half of circumference and mutual symmetry, have seted up the annular that matches with the snap ring on the inner wall of arc, the locating piece respectively with be in two arcs assorted of second half.

4. A light guide structure as defined in claim 3, wherein: the inner wall of the face shell is also provided with a limiting plate, and the end of the limiting plate is provided with a limiting groove matched with the periphery of the light guide column.

5. A light guide structure free of space limitations as recited in claim 4, wherein: the light guide column is made of transparent PC material.