CN212411524U - LED back light-emitting lamp box with good light uniformity - Google Patents

Abstract

The utility model relates to a lamp house technical field gives off light on the back, and a LED lamp house that homogeneity is good is disclosed, including lamp body and luminous cover, the fixed first annular slab that is equipped with in bottom of lamp body, the fixed second annular slab that is equipped with in top of luminous cover, first ring channel has been seted up at the top of second annular slab, first annular slab is connected with the cell wall contact of first ring channel, the internal surface bottom top of luminous cover is provided with the LED lamp plate, the logical groove of installation has all been seted up to the left and right sides of lamp body, the bar draw-in groove has all been seted up to the left and right sides of second annular slab and the below that is located first ring channel, the equal longitudinal fixity of cell wall that two installations LED to the groove is equipped with the mounting panel, all be equipped with installation mechanism in two bar draw-in grooves, the fixed cup joint has the third annular slab on the lateral wall of lamp body. The utility model discloses can carry out quick dismouting to LED back of the body light box.

Description

LED back light-emitting lamp box with good light uniformity

Technical Field

The utility model relates to a back of body light box technical field especially relates to a LED back of body light box that homogeneity is good.

Background

The lamp box is an important tool and mode for displaying information in modern life, the interior of a common lamp box is generally subjected to light emitting operation by arranging an LED lamp, and the LED back light lamp box is increasingly and widely used nowadays along with the gradual improvement of the level of the lamp box.

The existing LED back-lighting lamp box is generally composed of a lighting part at the rear side and a display part at the front side, and two parts of a general lamp box are connected by bolts when combined and connected, but the bolt connection is more complicated, and the disassembly and the assembly are more troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of the prior art that the LED back-lighting lamp box is complex to assemble and disassemble, and the LED back-lighting lamp box has good light uniformity.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an LED back-lighting lamp box with good light uniformity comprises an upper lamp shell and a lighting cover, wherein the bottom of the upper lamp shell is fixedly provided with a first annular plate, a second annular plate is fixedly arranged at the top of the luminous cover, a first annular groove is arranged at the top of the second annular plate, the first annular plate is in contact connection with the groove wall of the first annular groove, the LED lamp panel is arranged above the bottom of the inner surface of the luminous cover, the left side and the right side of the upper lamp shell are both provided with installation through grooves, the left side and the right side of the second annular plate and below the first annular groove are both provided with strip-shaped clamping grooves, the groove walls of the two installation through grooves are both longitudinally and fixedly provided with installation plates, installation mechanisms are arranged in the two strip-shaped clamping grooves, the upper end of the outer side wall of the upper lamp shell is fixedly sleeved with a third annular plate, and the bottom of the third annular plate is provided with a second annular groove and a protection mechanism.

Preferably, installation mechanism includes wedge and riser, the cell wall joint of wedge and bar draw-in groove, and the lower extreme fixed connection of the other end and riser, the riser is close to one side upper end with last lamp house and fixes and be equipped with T shape pole, the mounting panel is passed to the other end of T shape pole, the pole wall of T shape pole has cup jointed the spring, the both ends of spring are close to one side fixed connection with riser and mounting panel respectively mutually.

Preferably, the protection machanism includes annular protection casing, the upper end of annular protection casing is connected with the cell wall contact of second annular groove, the left and right sides of third annular plate all is fixed and is equipped with fastening bolt, fastening bolt's the other end pass the third annular plate and with annular protection casing upper end threaded connection.

Preferably, two equal threaded connection in one side of keeping away from the lamp body of T shape pole has a stop bolt, the mounting panel is kept away from lamp body one side upper end and is seted up threaded hole, stop bolt pass T shape pole and with threaded hole threaded connection.

Preferably, the outer side wall of the light-emitting cover is fixedly sleeved with a light-homogenizing film.

Preferably, the bottom of LED lamp plate is fixed and is equipped with a plurality of fin, the fin is connected with the internal surface bottom fixed connection of luminous cover, a plurality of heat dissipation through-holes have been seted up to the bottom of luminous cover.

Compared with the prior art, the utility model provides a LED lamp house that gives off light on back that homogeneity is good possesses following beneficial effect:

1. this LED lamp house that gives off light on back that light uniformity nature is good through first annular plate, second annular plate and first ring channel and the installation mechanism that is equipped with, carries out quick connection installation, convenient to detach simultaneously to the last lamp body and the luminous cover of lamp house.

2. This LED back of body light box that light uniformity nature is good through the third annular plate and the protection machanism that are equipped with, protects the lamp house outside, prevents that the lamp house from receiving the damage in the use.

3. This LED back of body light-emitting lamp house that homogeneity is good through louvre and the fin that is equipped with, absorbs the heat that the luminous production of the inside LED lamp plate of lamp house.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can carry out quick aggregate erection to LED back of the body luminous lamp house, and convenient to detach also can carry out effectual protection to the lamp house when carrying out luminous during operation simultaneously.

Drawings

Fig. 1 is a schematic structural view of an LED backlight lamp box with good light uniformity provided by the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: the LED lamp comprises an upper lamp shell 1, a luminous cover 2, a first annular plate 3, a second annular plate 4, an LED lamp panel 5, a mounting plate 6, a third annular plate 7, a wedge-shaped plate 8, a vertical plate 9, a T-shaped rod 10, a spring 11, an annular protective cover 12, a fastening bolt 13, a limiting bolt 14, a light homogenizing film 15 and a radiating fin 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an LED backlight lamp box with good light uniformity comprises an upper lamp housing 1 and a light-emitting cover 2, wherein a first annular plate 3 is fixedly arranged at the bottom of the upper lamp housing 1, a second annular plate 4 is fixedly arranged at the top of the light-emitting cover 2, a first annular groove is arranged at the top of the second annular plate 4, the first annular plate 3 is in contact connection with the groove wall of the first annular groove, the first annular plate 3 is clamped with the first annular groove, the upper lamp housing 1 and the light-emitting cover 2 are spliced, an LED lamp panel 5 is arranged above the bottom of the inner surface of the light-emitting cover 2, mounting through grooves are respectively arranged at the left side and the right side of the upper lamp housing 1, bar-shaped clamping grooves are respectively arranged at the left side and the right side of the second annular plate 4 and below the first annular groove, mounting plates 6 are longitudinally fixedly arranged on the groove walls of the two mounting through grooves, mounting mechanisms are respectively arranged in the, the bottom of the third annular plate 7 is provided with a second annular groove and a protection mechanism.

The mounting mechanism comprises a wedge-shaped plate 8 and a vertical plate 9, the wedge-shaped plate 8 is clamped with the groove wall of the strip-shaped clamping groove, the other end of the wedge-shaped plate is fixedly connected with the lower end of the vertical plate 9, a T-shaped rod 10 is fixedly arranged at the upper end of one side, close to the upper lamp shell 1, of the vertical plate 9, the other end of the T-shaped rod 10 penetrates through the mounting plate 6, the rod wall of the T-shaped rod 10 is sleeved with a spring 11, two ends of the spring 11 are fixedly connected with one side, close to the vertical plate 9 and the mounting plate 6 respectively, the protection mechanism comprises an annular protection cover 12, the upper end of the annular, carry out the outside to the lamp house and effectively protect, the left and right sides of third annular plate 7 all fixes and is equipped with fastening bolt 13, and fastening bolt 13's the other end passes third annular plate 7 and with annular protection casing 12 upper end threaded connection, sets up fastening bolt 13 and fixes annular protection casing 12.

The side of the two T-shaped rods 10 far away from the upper lamp shell 1 is connected with a limit bolt 14 by screw thread, the upper end of the mounting plate 6 far away from the upper lamp shell 1 is provided with a threaded hole, the limit bolt 14 passes through the T-shaped rods 10 and is connected with the threaded hole by screw thread, the position of the T-shaped rod 10 is determined by arranging the limiting bolt 14, the T-shaped rod 10 is prevented from being pressed during the use process, and cause the influence to the connection of lamp house, the fixed cover of lateral wall of light-emitting cover 2 has connect the membrane 15 of homogenizing, set up the even demonstration of light that the membrane 15 of homogenizing can give off the LED lamp plate 5, the fixed a plurality of fin 16 that is equipped with in bottom of LED lamp plate 5, fin 16 and light-emitting cover 2's internal surface bottom fixed connection, a plurality of heat dissipation through-holes have been seted up to light-emitting cover 2's bottom, set up the heat that fin 16 and heat dissipation through-hole produced 5 work of LED lamp plate and absorb, the life of LED lamp plate 5 is improved.

In the utility model, when the operator installs the lamp box, firstly the T-shaped rod 10 is pressed and the spring 11 is extruded, so that the two vertical plates 9 drive the wedge-shaped plate 8 to approach each other, the first annular plate 3 is clamped with the first annular groove, thereby the T-shaped rod 10 is loosened, the vertical plate 9 drives the wedge-shaped plate 8 to contact with the strip-shaped clamping groove through the elastic return of the spring 11, so that the upper lamp shell 1 is combined and connected with the luminous cover 2, then the T-shaped rod 10 is in threaded fit with the threaded hole on the mounting plate 6 through the limit bolt 14, the position of the T-shaped rod 10 is determined, the wedge-shaped plate 8 is prevented from being separated from the luminous cover 2, finally the annular protective cover 12 is sleeved with the luminous cover 2, the top end is in contact with the groove wall of the second annular groove, then the T-shaped rod is in threaded connection with the side wall of the third annular plate 7 through the fastening bolt 13, the fastening, can fix the annular protective cover 12 and protect the lamp box, when the lamp box needs to be disassembled, the above operation can be carried out reversely

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The LED back-lighting lamp box with good light uniformity comprises an upper lamp shell (1) and a lighting cover (2) and is characterized in that a first annular plate (3) is fixedly arranged at the bottom of the upper lamp shell (1), a second annular plate (4) is fixedly arranged at the top of the lighting cover (2), a first annular groove is formed in the top of the second annular plate (4), the first annular plate (3) is in contact connection with the groove wall of the first annular groove, an LED lamp panel (5) is arranged above the bottom of the inner surface of the lighting cover (2), installation through grooves are formed in the left side and the right side of the upper lamp shell (1), bar-shaped clamping grooves are formed in the left side and the right side of the second annular plate (4) and below the first annular groove, mounting plates (6) are longitudinally fixedly arranged on the groove walls of the installation through grooves, and mounting mechanisms are arranged in the bar-shaped clamping grooves, the lamp is characterized in that a third annular plate (7) is fixedly sleeved at the upper end of the outer side wall of the upper lamp shell (1), a second annular groove is formed in the bottom of the third annular plate (7), and a protection mechanism is arranged.

2. The LED backlight lamp box of claim 1, wherein the mounting mechanism comprises a wedge plate (8) and a vertical plate (9), the wedge plate (8) is clamped with the groove wall of the strip-shaped clamping groove, the other end of the wedge plate is fixedly connected with the lower end of the vertical plate (9), the vertical plate (9) and the upper lamp housing (1) are close to one side, a T-shaped rod (10) is fixedly arranged at the upper end of the upper lamp housing, the other end of the T-shaped rod (10) penetrates through the mounting plate (6), a spring (11) is sleeved on the rod wall of the T-shaped rod (10), and two ends of the spring (11) are respectively close to one side of the fixing connection with the vertical plate (9) and the mounting plate (6).

3. The LED backlight lamp box with good light uniformity as claimed in claim 1, wherein said protection mechanism comprises an annular protection cover (12), the upper end of said annular protection cover (12) is in contact connection with the wall of the second annular groove, fastening bolts (13) are fixedly arranged on both left and right sides of said third annular plate (7), and the other ends of said fastening bolts (13) pass through the third annular plate (7) and are in threaded connection with the upper end of the annular protection cover (12).

4. The LED backlight lamp box with good light uniformity according to claim 2, wherein one side of each of the two T-shaped rods (10) far away from the upper lamp housing (1) is in threaded connection with a limit bolt (14), the upper end of one side of the mounting plate (6) far away from the upper lamp housing (1) is provided with a threaded hole, and the limit bolt (14) penetrates through the T-shaped rod (10) and is in threaded connection with the threaded hole.

5. The LED backlight lamp box with good light uniformity as claimed in claim 1, wherein a light-equalizing film (15) is fixedly sleeved on the outer side wall of the light-emitting cover (2).

6. The LED back-lighting lamp box with good light uniformity according to claim 1, characterized in that a plurality of radiating fins (16) are fixedly arranged at the bottom of the LED lamp panel (5), the radiating fins (16) are fixedly connected with the bottom of the inner surface of the light-emitting cover (2), and a plurality of radiating through holes are formed at the bottom of the light-emitting cover (2).

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