Light box LED light source dodging device

Abstract

The utility model relates to a light box LED light source dodging device which comprises dodging plates and a control assembly, the dodging plates are arranged in a light box, the number of the dodging plates is multiple, each dodging plate is aligned with an LED lamp set at the corresponding position, the control assembly is installed on the outer side of the light box, and the dodging plates are connected with the control assembly. The control assembly can simultaneously control a plurality of dodging plates in the lamp box to move, the control assembly comprises a control head, and the control head can drive the dodging plates to turn over or translate when rotating; compared with the prior art, the lamp box has the advantages that when the lighting effect of the lamp box needs to be adjusted, only the control head needs to be rotated, the adjusting wheel can be driven to rotate through the transmission strip, the light uniformizing plate is turned over at the moment, and therefore the angle of the light uniformizing plate can be adjusted, and the light uniformizing plate can be adjusted through rotation of the control head. The distance between the light homogenizing plate and the lamp box is adjusted, the lamp box does not need to be disassembled in the whole adjusting process, and convenience is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of advertising light box accessories, specifically relates to a light box LED light source light equalizing device. BACKGROUND

[0002] The light equalizing device for light box is a kind of equipment for making light distribution more uniform inside light box, in light box lighting system, the light emitted by light source (such as LED lamp bead etc.) usually has strong directionality and unevenness, light equalizing device can adjust the propagation direction and distribution state of light, avoid the situation of local over-bright or over-dark, to improve the illumination quality and visual effect of light box as a whole.

[0003] In traditional technology, light equalizing plate is generally used as light equalizing device, light source is placed at the edge of light equalizing plate, light changes propagation direction constantly under the action of dot after entering light equalizing plate, to realize the uniform distribution of light on the whole light equalizing plate plane, but due to the sustainable use characteristics of light box, when the installation position of light box changes, sometimes it is needed to adjust light equalizing plate, the position or angle lamp parameter of light equalizing plate is adjusted after light box is disassembled, it is more troublesome. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a light box LED light source light equalizing device that can conveniently adjust angle and position.

[0005] To achieve the above object, the utility model adopts the technical scheme of a kind of light box LED light source light equalizing device, including light equalizing plate and control assembly, light equalizing plate is arranged in light box, light equalizing plate is several, each light equalizing plate is aligned with the LED lamp group of corresponding position, control assembly is installed on the outside of light box, light equalizing plate is connected with control assembly, control assembly can control simultaneously the movement of several light equalizing plates located in light box, control assembly includes control head, control head can drive light equalizing plate to overturn or translate when rotating.

[0006] Further, control assembly further includes inner frame body and control box, inner frame body is located in light box, control box is installed on the frame outside of light box, the end of light equalizing plate is butt joint with adjusting rod, control head is installed on control box.

[0007] Further, control box is provided with linkage rod, each adjusting rod is passed through by linkage rod, linkage rod is connected with control head, control head controls the movement of linkage rod to the direction away from LED lamp group.

[0008] Further, control box is provided with adjusting wheel and transmission bar, adjusting wheel is installed on adjusting rod, transmission bar is connected with adjusting wheel, transmission bar drives adjusting wheel to rotate when translating, transmission bar is connected with control head, control head can control the movement of transmission bar.

[0009] Further, the control head comprises a driving disc connected to the control box, a driving rod connected to the driving disc, a driving wheel fixed to the driving rod, and a transmission bar connected to the driving wheel.

[0010] Further, the control head further comprises an elliptical wheel, a limiting rail groove is arranged on the circumferential surface of the elliptical wheel, the limiting rail groove extends along the circumferential direction of the elliptical wheel, and the linkage rod can enter the limiting rail groove.

[0011] Further, the two ends of the linkage rod are connected with stretching reset springs, and the free ends of the stretching reset springs are butted on the control box.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when it is necessary to adjust the light efficiency of the light box, the control head only needs to be rotated, the adjusting wheel can be driven to rotate through the transmission bar at this time, the light uniformizing plate is turned over, the angle of the light uniformizing plate is adjusted, the distance between the light uniformizing plate and the light box can be adjusted through the rotation of the control head, the overall adjustment process does not need to disassemble the light box, and it is relatively convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall structure schematic view of the utility model;

[0014] Figure 2 It is a frame connection schematic view of the light uniformizing plate and the light box of the utility model;

[0015] Figure 3 It is a control box top view sectional structure schematic view of the utility model;

[0016] Figure 4 It is a driving rod structure schematic view of the utility model;

[0017] Figure 5 It is an adjusting wheel and driving wheel connection schematic view of the utility model;

[0018] Figure 6 It is a linkage rod and elliptical wheel connection schematic view of the utility model;

[0019] Wherein, 1-light uniformizing plate, 2-light box, 3-inner frame body, 4-control box, 5-adjusting rod, 6-driving disc, 7-adjusting wheel, 8-driving wheel, 9-transmission bar, 10-linkage rod, 11-elliptical wheel, 12-limiting rail groove, 13-stretching reset spring, 14-positioning rod, 15-sliding rod, 16-first vertical plane cutting plate, 17-driving space, 18-second vertical plane cutting plate, 19-angle adjustment space, 20-distance adjustment space, 21-flat support plate, 22-strip-shaped gap, 23-clamp head, 24-compression reset spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. It should be understood that the preferred embodiments described herein are only used to explain and illustrate the present application, and are not used to limit the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. In the embodiments, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0021] Referring to Figures 1 to 6 As shown in the drawings, a light box LED light source light uniformization device comprises a plurality of light uniformization plates 1, the light uniformization plates 1 are arranged in a light box 2, the light uniformization plates 1 are connected with the frame of the light box 2, each light uniformization plate 1 is aligned with a corresponding LED lamp group, the light uniformization plates 1 are connected with a control assembly, the control assembly is installed outside the light box 2, the light uniformization plates 1 are connected with the control assembly, and the plurality of light uniformization plates 1 can be simultaneously controlled to move through the control assembly, the movement includes overturning and translation, the light uniformization plates 1 are adjusted in angle when the light uniformization plates 1 are overturned through the control assembly, and the distance between the light uniformization plates 1 and the LED lamp group is adjusted when the light uniformization plates 1 are translated through the control assembly.

[0022] The control assembly comprises an inner frame body 3 and a control box 4, the inner frame body 3 is located in the light box 2, the control box 4 is installed with a control head, the control box 4 is installed outside the frame of the light box 2, the control head can adjust the inclination angle of the light uniformization plates 1 and the distance between the light uniformization plates 1 and the LED lamp group, but the control head needs to be adjusted when the control parameters are selected.

[0023] The adjusting rod 5 is connected to the end of the light homogenizing plate 1, and the light homogenizing plate 1 is mainly controlled to be turned over through the adjusting rod 5. The control head comprises a driving disc 6 connected to the control box 4, the driving disc 6 is located outside the control box 4, a driving rod is connected to the driving disc 6, the driving rod penetrates the control box 4, and the inner end of the driving rod is located in the control box 4. A driving wheel 8 is fixed on the driving rod, and the driving wheel 8 is also located in the control box 4. The driving wheel 8 is a circular gear, the driving wheel 8 is connected with a transmission bar 9, the transmission bar 9 is in the shape of a long strip, and the two symmetrical long edges are provided with convex teeth. The transmission bar 9 is in meshing with the driving wheel 8, and the transmission bar 9 will be moved when the driving wheel 8 rotates. The adjusting rod 5 is provided with an adjusting wheel 7, the adjusting wheel 7 is also a gear, the adjusting wheel 7 is in meshing with the transmission bar 9, and at this time, the adjusting wheel 7 will rotate to drive the adjusting rod 5 to rotate, so that the light homogenizing plate 1 is turned over, and the angle of the light homogenizing plate 1 is adjusted.

[0024] A linkage rod 10 is further arranged in the control box 4, the linkage rod 10 is connected with the adjusting rods 5 on the light homogenizing plates 1, specifically, each adjusting rod 5 is penetrated by the linkage rod 10, but a rubber gasket is arranged at the connecting position of the adjusting rod 5 and the linkage rod 10, the rubber gasket can increase the connection tightness of the two, and when the angle of the light homogenizing plate 1 is adjusted, the angle of the light homogenizing plate 1 will not change without external interference.

[0025] Stretching reset springs 13 are connected to the two ends of the linkage rod 10, then an oval wheel 11 is arranged on the driving rod, a limiting rail groove 12 is arranged on the circumferential surface of the oval wheel 11, the limiting rail groove 12 extends along the circumferential direction of the oval wheel 11, initially, the linkage rod 10 is not connected with the oval wheel 11, when the oval wheel 11 and the linkage rod 10 are located in the same vertical plane, the driving disc 6 can drive the oval wheel 11 to rotate, so that the linkage rod 10 can be located in the limiting rail groove 12, and then with the continuous rotation of the oval wheel 11, a pushing force can be applied to the linkage rod 10, so that the linkage rod 10 moves away from the LED lamp group, and then drives the light homogenizing plate 1 to move away from the LED lamp group, so that the distance between the light homogenizing plate 1 and the LED lamp group is adjusted.

[0026] The driving rod is composed of two parts, namely the positioning rod 14 and the sliding rod 15. The control box 4 is internally provided with a first vertical section plate 16, which divides the space inside the control box 4 into a driving space 17 and a moving space. The first vertical section plate 16 is vertically connected with a second vertical section plate 18, which divides the moving space into an angle adjustment space 19 and a spacing adjustment space 20. The free end of the tension reset spring 13 is butted on the second vertical section plate 18. At this time, the flat support plate 21 is arranged in the driving space 17. The positioning rod 14 is located in the driving space 17 and penetrates the flat support plate 21 at one end. A blind hole is arranged on the inner wall of the driving space 17 in the control box 4, and one end of the positioning rod 14 is located in the blind hole. The positioning rod 14 can rotate but cannot move axially. The driving wheel 8 is fixed on the positioning rod. One end of the sliding rod 15 is butted with the positioning rod 14, and the other end is fixedly connected with the driving disc 6 after penetrating the control box. The end of the sliding rod 15 butted with the positioning rod 14 is the inner end. The inner end of the sliding rod 15 is provided with an axially extending blind hole. One end of the positioning rod 14 penetrates the flat support plate 21 and is inserted into the blind hole. At this time, the sliding rod 15 can move axially. A strip-shaped notch 22 extending from the inner end of the sliding rod 15 to the driving disc 6 is arranged on the sliding rod 15. A clamping head 23 is fixed on the positioning rod 14 and located in the strip-shaped notch. At this time, the sliding rod 15 will drive the positioning rod 14 to rotate when rotating. The elliptical wheel 11 is fixed on the sliding rod 15. The compression reset spring 24 is arranged between the elliptical wheel 11 and the inner wall of the control box 4 and is sleeved on the sliding rod 15. Initially, the compression reset spring 24 is in a normal state. At this time, the driving wheel 8 is engaged with the transmission strip 9, and the elliptical wheel 11 and the linkage rod 10 are not in the same horizontal plane. At this time, the positioning rod 14 can be controlled to rotate. When the spacing between the strip-shaped light homogenizing plate 1 and the LED lamp set is required, the sliding rod 15 can be moved outward by the driving disc 6. At this time, the compression reset spring 24 is compressed. When the sliding rod 15 moves to the position that the clamping head 23 moves out of the strip-shaped notch 22, the elliptical wheel 11 and the linkage rod 10 are located in the same vertical plane. At this time, the maximum displacement of the sliding rod 15 is reached, that is, the compression reset spring 24 cannot be compressed any more. Then the driving disc 6 can be screwed to make the elliptical wheel 11 rotate. At this time, the positioning rod 14 cannot rotate, thereby achieving the adjustment of the spacing between the light homogenizing plate 1 and the LED lamp set.

[0027] It should be noted that the second facade cutting plate 18 and the control box 4 are provided with a plurality of horizontal sliding openings, the adjusting rod 5 is connected with the linkage rod 10 after being passed through the horizontal sliding openings corresponding to the horizontal height, the linkage rod 10 is located in the spacing adjustment space, and in order to realize the angle and spacing adjustment of the control homogenizing plate 1, two local gaps are arranged on the first facade cutting plate 16, the transmission strip 9 is located in the angle adjustment space, the local part of the driving wheel 8 is passed through the local gap and engaged with the transmission strip 9, the oval wheel 11 can also pass through the corresponding local gap in the rotating process, and two vertically arranged positioning sleeves are arranged on the first facade cutting plate 16, the transmission strip is passed through the positioning sleeves, so that the transmission strip can be vertically translated and kept in a vertical state.

[0028] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be hydraulically connected, can be directly connected, can be indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0029] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A light box LED light source homogenizing device, characterized in that: The light box comprises a light uniform plate and a control assembly, the light uniform plate is arranged in the light box, and the light uniform plate is a plurality of light uniform plates, each light uniform plate is aligned with a corresponding LED lamp group; The control assembly is arranged outside the light box, the light uniform plate is connected with the control assembly, and the control assembly can control the movement of the plurality of light uniform plates in the light box simultaneously. The control assembly comprises a control head, and the control head can drive the light uniform plate to flip or translate when rotating.

2. The light box LED light source light uniformization device according to claim 1, characterized in that: The control assembly further comprises an inner frame and a control box, the inner frame is arranged in the light box, the control box is arranged outside the frame of the light box, the end of the light uniform plate is connected with an adjusting rod, and the control head is arranged on the control box.

3. The light box LED light source light uniformization device according to claim 2, characterized in that: The control box is provided with a linkage rod, each adjusting rod passes through the linkage rod, the linkage rod is connected with the control head, and the control head controls the linkage rod to move away from the LED lamp group.

4. The light box LED light source light uniformization device according to claim 2, characterized in that: The control box is provided with an adjusting wheel and a transmission bar, the adjusting wheel is arranged on the adjusting rod, the transmission bar is connected with the adjusting wheel, the transmission bar drives the adjusting wheel to rotate when translating, the transmission bar is connected with the control head, and the control head can control the movement of the transmission bar.

5. The light box LED light source light uniformization device according to claim 4, characterized in that: The control head comprises a driving disc connected with the control box, the driving disc is connected with a driving rod, the driving rod is fixed with a driving wheel, the driving wheel is connected with the transmission bar, and the driving wheel drives the transmission bar to move when rotating.

6. The light box LED light source light uniformization device according to claim 4, characterized in that: The control head further comprises an elliptical wheel, a limiting track groove is arranged on the circumferential surface of the elliptical wheel, the limiting track groove extends along the circumferential direction of the elliptical wheel, and the linkage rod can enter the limiting track groove.

7. The light box LED light source light uniformization device according to claim 6, characterized in that: The two ends of the linkage rod are connected with stretch return springs, and the free ends of the stretch return springs are connected with the control box.

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