Adjusting mechanism of LED box

Abstract

The utility model relates to the technical field of LED lamp boxes, in particular to an adjusting mechanism of an LED box body, which comprises a first box body and a second box body, an angle adjusting mechanism is arranged below the first box body, a driving mechanism is arranged on the surface of the angle adjusting mechanism, and a locking mechanism is arranged above the angle adjusting mechanism. The angle adjusting mechanism comprises a U-shaped plate, two movable shafts are rotationally connected to the surface of the U-shaped plate, a combination plate is fixed to the surfaces of the movable shafts, a support is fixed to the surface of the U-shaped plate, a worm gear reducer is fixed to the top of the support, and an output shaft of the worm gear reducer is fixedly connected with the movable shaft on one side. The input end of the worm gear reducer is fixedly connected with a hand wheel. According to the device, a double-transmission system of the worm gear reducer, the gear and the composition plate is adopted, vertical and horizontal two-way angle adjustment is supported, the operation torque is reduced, the self-locking function is achieved, and the multiple angle adjustment requirements of the box body are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamp box technical field, concretely is a kind of adjusting mechanism of LED box. BACKGROUND

[0002] LED lamp box is a kind of lighting equipment using LED as light source, usually used in advertising display, commercial identification, indoor lighting and so on Various scenes. It combines modern lighting technology and advertising display function, with efficient, energy saving, environmental protection, long service life and so on.

[0003] The utility model discloses a kind of angle-adjustable LED box, including base, the front and rear sides of the top of the base are both fixedly connected with support plate, box is rotatably connected between two support plates, vertical spring is fixedly connected at the four corners of the bottom of the box, the bottom of the vertical spring is fixedly connected with the top of base, the bottom of the box is equipped with pull mechanism, the bottom of the pull mechanism is rotatably connected with support plate, the right side of the bottom of the base is equipped with push mechanism, the top of the base and corresponding pull mechanism place is equipped with transmission mechanism, the pull mechanism includes the pull rod that is hinged with the right side of the bottom of the box. The angle-adjustable LED box, the angle of the box can be more simply adjusted, after the right end height of the box drops, the article in the box can be more conveniently taken and placed, when the article is placed, the article can be damaged from higher place and be damaged, effectively protect the article.

[0004] However, the prior art scheme still has the following deficiencies: although the device can adjust the angle of the box, the device can only adjust the one-way rotation angle of the box, the applicability is poor, and the device uses five-stage transmission mechanism of threaded rod-slid rod-transmission rod-push rod-rotary rod, too many linkage components, there is cumulative error risk, and long-term use can lead to component wear and loose. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, the utility model provides an adjusting mechanism of LED box to solve the above problems.

[0006] The technical scheme adopted by the utility model to solve its technical problems is:

[0007] An adjusting mechanism of LED box, comprising a first box and a second box, an angle adjusting mechanism is arranged below the first box, a driving mechanism is arranged on the surface of the angle adjusting mechanism, a locking mechanism is arranged above the angle adjusting mechanism.

[0008] The angle adjusting mechanism comprises a U-shaped plate, two movable shafts are rotationally connected to the surface of the U-shaped plate, a combination plate is fixed to the surface of the movable shaft, a support is fixed to the surface of the U-shaped plate, a worm gear reducer is fixed to the top of the support, the output shaft of the worm gear reducer is fixedly connected with one side movable shaft, a hand wheel is fixedly connected to the input end of the worm gear reducer, a rotating shaft is rotationally connected to the surface of the combination plate, a rotating plate is fixed to the top of the rotating shaft, a plurality of T-shaped grooves are formed in the surface of the rotating plate, T-shaped mounting plates are fixed to the bottom of the first box body and the second box body, T-shaped connecting plates matched with the T-shaped grooves are fixed to the bottom of the T-shaped mounting plates, a gear is fixed to the surface of the rotating shaft, and a rack is engaged with the surface of the gear.

[0009] Preferably, the driving mechanism comprises two bearing seats, the bearing seats are fixed to the bottom of the combination plate, a lead screw is fixed to the inner wall of the bearing seat, a moving plate is threadedly connected to the surface of the lead screw, and the surface of the moving plate is fixedly connected with the surface of the rack.

[0010] Preferably, the bottom of the combination plate is fixed with two linear sliding rails, a second sliding block is slidably connected to the surface of the linear sliding rail, and the bottom of the second sliding block is fixedly connected with the top of the moving plate.

[0011] Preferably, the locking mechanism comprises a mounting frame and a limiting frame, the mounting frame is fixed to the top of the first box body, the limiting frame is fixed to the top of the second box body, and a movable block is hingedly connected to the surface of the mounting frame.

[0012] Preferably, a spring is fixed to the surface of the limiting frame, one end of the spring is fixed with a pull plate, the surface of the pull plate is fixed with a pin rod, the pin rod is slidably penetrated through the limiting frame, and a pin hole matched with the pin rod is formed in the surface of the movable block.

[0013] Preferably, a plurality of combination holes are formed in the surfaces of the U-shaped plate and the rotating plate.

[0014] Preferably, a circular sliding rail is fixed to the top of the combination plate, a first sliding block is slidably connected to the surface of the circular sliding rail, and the top of the first sliding block is fixedly connected with the bottom of the rotating plate.

[0015] Compared with the prior art, the angle adjusting mechanism of the LED box body has the following beneficial effects:

[0016] Firstly, the angle adjusting mechanism adopts a double transmission system of the worm gear reducer and the gear and the combination plate, supports vertical and horizontal two-way angle adjustment, reduces the operation torque and has a self-locking function; the modular connection mode of the T-shaped groove and the T-shaped connecting plate improves the box body splicing efficiency and enables the separate box body to be installed, thereby improving the applicability of the device; and the guiding structure of the circular sliding rail ensures that the rotating plate rotates stably and reduces the shaking.

[0017] Second, the locking mechanism is further fixed after the box splicing through the elastic locking design of spring and pin rod, and the hinged design of the movable block allows single-handed operation to unlock, improving the maintenance convenience; the driving mechanism is driven by a single-stage screw rod, which improves transmission efficiency and reduces wear risk. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structure schematic diagram of the utility model after operation;

[0020] Figure 3 It is a structure schematic diagram of the angle adjusting mechanism in the utility model;

[0021] Figure 4 It is a structure schematic diagram of the driving mechanism in the utility model;

[0022] Figure 5 It is a structure schematic diagram of the locking mechanism in the utility model.

[0023] Wherein: 1, the first box; 2, the second box; 3, angle adjusting mechanism; 301, U-shaped plate; 302, movable shaft; 303, combination plate; 304, support; 305, worm reducer; 306, hand wheel; 307, rotating shaft; 308, rotating plate; 309, T-shaped slot; 310, T-shaped mounting plate; 311, T-shaped connecting plate; 312, gear; 313, rack; 314, combination hole; 315, circular slide rail; 316, first slider; 4, driving mechanism; 401, bearing with seat; 402, screw rod; 403, moving plate; 404, linear slide rail; 405, second slider; 5, locking mechanism; 501, mounting frame; 502, limiting frame; 503, movable block; 504, spring; 505, pull plate; 506, pin rod; 507, pin hole. DETAILED DESCRIPTION

[0024] The utility model will be described in further detail below with the drawings.

[0025] The adjusting mechanism of a LED box under the specific embodiment, please refer to Figure 1 — Figure 5 , including first box 1 and second box 2, first box 1 below is provided with angle adjusting mechanism 3, angle adjusting mechanism 3 surface is provided with driving mechanism 4, angle adjusting mechanism 3 above is provided with locking mechanism 5;

[0026] The angle adjusting mechanism 3 comprises a U-shaped plate 301, two movable shafts 302 are rotationally connected to the surface of the U-shaped plate 301, a combination plate 303 is fixed to the surface of the movable shaft 302, a support 304 is fixed to the surface of the U-shaped plate 301, a worm gear reducer 305 is fixed to the top of the support 304, the output shaft of the worm gear reducer 305 is fixedly connected with one side of the movable shaft 302, a hand wheel 306 is fixedly connected with the input end of the worm gear reducer 305, a rotating shaft 307 is rotationally connected to the surface of the combination plate 303, a rotating plate 308 is fixed to the top of the rotating shaft 307, a plurality of T-shaped grooves 309 are formed in the surface of the rotating plate 308, T-shaped mounting plates 310 are fixed to the bottom of the first box body 1 and the second box body 2, T-shaped connecting plates 311 are fixed to the bottom of the T-shaped mounting plates 310 and are used in cooperation with the T-shaped grooves 309, a gear 312 is fixed to the surface of the rotating shaft 307, and a rack 313 is engaged with the surface of the gear 312.

[0027] Through the technical scheme, the angle adjusting mechanism 3 forms a rotating pair through the U-shaped plate 301 and the movable shaft 302, the worm gear reducer 305 inputs power through the hand wheel 306, directly drives one side of the movable shaft 302 to rotate, drives the combination plate 303 to rotate around the movable shaft 302, realizes vertical angle rotation, the driving mechanism 4 can drive the rack 313 to move horizontally, when the rack 313 moves horizontally, the driving gear 312 drives the rotating shaft 307 and the rotating plate 308 to rotate around the axis line thereof, so that the horizontal angle of the box body is adjusted, compared with the one-way adjustment of the traditional device, the structure realizes multi-directional angle adjustment of the first box body 1 and the second box body 2, the worm gear reducer 305 and the driving mechanism 4 both have self-locking characteristics, which can prevent the angle from deviating after adjustment, the rotating plate 308 is slidably connected with the T-shaped connecting plate 311 through the T-shaped grooves 309, the first box body 1 and the second box body 2 can be mounted and dismounted, or a single box body can be mounted alone, and the compatibility of the equipment is improved.

[0028] The driving mechanism 4 comprises two bearing seats 401, the bearing seats 401 are fixed to the bottom of the combination plate 303, a lead screw 402 is fixed to the inner wall of the bearing seat 401, a moving plate 403 is threadedly connected to the surface of the lead screw 402, and the surface of the moving plate 403 is fixedly connected with the surface of the rack 313.

[0029] Through the technical scheme, the driving mechanism 4 fixes the lead screw 402 through the bearing seat 401, when the lead screw 402 is manually rotated, the moving plate 403 translates along the axis of the lead screw 402, drives the rack 313 to move synchronously, and then drives the gear 312 to rotate, so that the horizontal angle adjustment of the rotating plate 308 is finally realized, compared with the multi-structure complex linkage of the traditional device, only a single-stage lead screw 402 is used for driving, the transmission efficiency is improved and the wear risk is reduced.

[0030] The bottom of the combination plate 303 is fixed with two linear sliding rails 404, the surface of the linear sliding rail 404 is slidingly connected with a second sliding block 405, and the bottom of the second sliding block 405 is fixedly connected with the top of the moving plate 403.

[0031] Through the above technical scheme, the cooperation of the linear sliding rail 404 and the second sliding block 405 improves the adjustment fluency; the rack 313 is limited to move only in a set direction, avoiding the meshing misalignment of the gear 312, and prolonging the service life of the gear 312.

[0032] The locking mechanism 5 comprises a mounting frame 501 and a limiting frame 502, the mounting frame 501 is fixed to the top of the first box body 1, the limiting frame 502 is fixed to the top of the second box body 2, and the surface of the mounting frame 501 is hingedly connected with a movable block 503.

[0033] Through the above technical scheme, when the two box bodies are spliced, the movable block 503 is placed into the limiting frame 502, and the preliminary positioning between the first box body 1 and the second box body 2 can be realized.

[0034] The surface of the limiting frame 502 is fixed with a spring 504, one end of the spring 504 is fixed with a pull plate 505, the surface of the pull plate 505 is fixed with a pin rod 506, the pin rod 506 slidingly penetrates the limiting frame 502, and the surface of the movable block 503 is provided with a pin hole 507 matched with the pin rod 506.

[0035] Through the above technical scheme, when the pull plate 505 is pulled, the spring 504 is stretched, the pin rod 506 is withdrawn from the surface of the limiting frame 502, after the movable block 503 is placed into the limiting frame 502, the pull plate 505 is released, the spring 504 is reset to push the pin rod 506 to be inserted into the pin hole 507, and further locking of the movable block 503 is realized.

[0036] The surface of the U-shaped plate 301 and the rotating plate 308 is provided with a plurality of combination holes 314.

[0037] Through the above technical scheme, by penetrating the combination holes 314 at the corresponding positions with bolts, the rotating plate 308 and the U-shaped plate 301 can be fixed, and the movement of the T-shaped mounting plate 310 during rotation can be avoided.

[0038] The top of the combination plate 303 is fixed with a circular sliding rail 315, the surface of the circular sliding rail 315 is slidingly connected with a first sliding block 316, and the top of the first sliding block 316 is fixedly connected with the bottom of the rotating plate 308.

[0039] Through the above technical scheme, the arc-shaped track of the circular sliding rail 315 matches the rotating path of the rotating plate 308, reduces the radial jumping of the rotating plate 308, and ensures the stable rotation of the rotating plate 308.

[0040] The working principle is as follows: the device realizes the multi-degree-of-freedom angle adjustment of the LED box through the angle adjusting mechanism 3: rotating the hand wheel 306 drives the output shaft of the worm gear reducer 305 to rotate, drives the combined plate 303 to rotate around the movable shaft 302, and completes the angle adjustment of the vertical direction of the box; at the same time, the screw rod 402 of the rotary driving mechanism 4 is rotated, the moving plate 403 drives the rack 313 to move horizontally, drives the gear 312 to rotate, and then adjusts the horizontal inclination angle of the rotating plate 308 through the rotating shaft 307; realize the multi-angle adjustment of the box, the sliding fit of the T-shaped slot 309 and the T-shaped connecting plate 311 allows the box to be installed or disassembled, the circular slide rail 315 and the linear slide rail 404 respectively ensure the accuracy of rotation and linear motion, and the combined hole 314 provides additional locking effect to enhance stability.

[0041] It should be noted that although the specific embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these specific embodiments without departing from the principles and spirits, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustment mechanism for an LED box, characterized by: Including first box body (1) and second box body (2), the first box body (1) is provided with angle adjusting mechanism (3) below, the surface of angle adjusting mechanism (3) is provided with drive mechanism (4), the top of angle adjusting mechanism (3) is provided with locking mechanism (5); The angle adjusting mechanism (3) includes a U-shaped plate (301), two movable shafts (302) are rotatably connected to the surface of the U-shaped plate (301), a combination plate (303) is fixed to the surface of the movable shaft (302), a support (304) is fixed to the surface of the U-shaped plate (301), a worm gear reducer (305) is fixed to the top of the support (304), the output shaft of the worm gear reducer (305) is fixedly connected with one side movable shaft (302), a hand wheel (306) is fixedly connected to the input end of the worm gear reducer (305), a rotating shaft (307) is rotatably connected to the surface of the combination plate (303), a rotating plate (308) is fixed to the top of the rotating shaft (307), a plurality of T-shaped grooves (309) are formed in the surface of the rotating plate (308), T-shaped mounting plates (310) are fixed to the bottom of the first box body (1) and the second box body (2), T-shaped connecting plates (311) are fixed to the bottom of the T-shaped mounting plates (310) and used in cooperation with the T-shaped grooves (309), a gear (312) is fixed to the surface of the rotating shaft (307), and a rack (313) is engaged with the surface of the gear (312).

2. The adjusting mechanism of the LED box according to claim 1, characterized in that: The drive mechanism (4) includes two bearing seats (401), the bearing seats (401) are fixed to the bottom of the combination plate (303), a lead screw (402) is fixed to the inner wall of the bearing seat (401), a moving plate (403) is threadedly connected to the surface of the lead screw (402), and the surface of the moving plate (403) is fixedly connected with the surface of the rack (313).

3. The adjustment mechanism for an LED fixture of claim 2, wherein: The bottom of the combination plate (303) is fixedly connected with two linear sliding rails (404), the surface of the linear sliding rails (404) is slidably connected with a second sliding block (405), and the bottom of the second sliding block (405) is fixedly connected with the top of the moving plate (403).

4. The adjustment mechanism for an LED fixture of claim 1, wherein: The locking mechanism (5) includes a mounting frame (501) and a limiting frame (502), the mounting frame (501) is fixed to the top of the first box body (1), the limiting frame (502) is fixed to the top of the second box body (2), and the surface of the mounting frame (501) is hingedly connected with a movable block (503).

5. The adjustment mechanism for an LED fixture of claim 4, wherein: The surface of the limiting frame (502) is fixedly connected with a spring (504), one end of the spring (504) is fixedly connected with a pull plate (505), the surface of the pull plate (505) is fixedly connected with a pin rod (506), the pin rod (506) slidably penetrates the limiting frame (502), and the surface of the movable block (503) is provided with a pin hole (507) for accommodating the pin rod (506).

6. The adjustment mechanism for an LED fixture of claim 1, wherein: A plurality of combination holes (314) are formed in the surfaces of the U-shaped plate (301) and the rotating plate (308).

7. The adjustment mechanism for an LED fixture of claim 1, wherein: The combination board (303) top is fixed with circular slide rail (315), the circular slide rail (315) surface sliding connection has first sliding block (316), and the first sliding block (316) top is fixedly connected with rotating plate (308) bottom.

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