Semi-automatic angle bead for LED display screen box

Abstract

A semi-automatic angle bead for an LED display screen box is mounted on a display screen box frame and comprises a pressing movable assembly, an angle bead mounting seat, a swing part, a torsion spring, a sliding block and an angle bead sheet, the pressing movable assembly is clamped with the angle bead sheet and elastically connected with the angle bead mounting seat in the pressing direction, the angle bead mounting seat is connected with the swing part, and the torsion spring is connected with the sliding block. One end of the torsion spring abuts against the corner protection installation base, the other end of the torsion spring abuts against the swing piece, the swing piece is connected with the sliding block through a first sliding piece, the sliding block is connected with the corner protection installation base through a second sliding piece, the sliding block is provided with a kidney-shaped hole, the corner protection installation base is provided with a curved hole, the second sliding piece is installed in the curved hole, and the sliding block is fixed to the corner protection piece. When the angle bead is unfolded, the clamping state of the angle bead sheet is released, the first sliding piece drives the sliding block to slide, meanwhile, the sliding block drives the angle bead sheet to obliquely slide along the curve track under the limitation of the second sliding piece, and the semi-automatic angle bead has the advantages of being unfolded through one-key pressing, simple in structure, time-saving and labor-saving.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen box technical field, concretely relates to a kind of LED display screen box semi-automatic corner protector. BACKGROUND

[0002] The main role of LED display screen box corner protector includes protecting the corner of box, to improve the durability and safety of display screen. The corner protector design can effectively protect the four corners and edges of LED display screen box, prevent from being collided and damaged during transportation or installation process, and the corner protector is usually designed to be unfolded or retracted. When unfolded, the corner protector can cover the corner of the box to prevent collision. When retraction is needed, the corner protector can be retracted without affecting the splicing and installation between multiple boxes. The traditional LED display screen box corner protector is usually installed on the display screen box frame by fasteners. When the corner protector needs to be unfolded and retracted, the fasteners need to be manually assembled and disassembled to change the position of the corner protector, which is inconvenient to operate, time-consuming and labor-intensive, and affects the user experience. The commonly seen fully automatic corner protector on the market has a complex structure and is expensive, which is not conducive to reducing production costs. Therefore, there is an urgent need for a semi-automatic corner protector for LED display screen box to solve the above problems. SUMMARY

[0003] Therefore, a one-key pressing unfolded, structure-simplified, time-saving and labor-saving semi-automatic corner protector for LED display screen box is provided.

[0004] A semi-automatic corner protector for LED display screen box is installed on the display screen box frame, which includes a pressing movable assembly, a corner protector mounting seat, a swing piece, a torsional spring, a sliding block and a corner protector piece. The pressing movable assembly includes a pressing movable block, and the pressing movable block has a buckling part. The end of the corner protector piece has a barb part, and the buckling part can be clamped with the barb part. The pressing movable assembly is elastically connected with the corner protector mounting seat in the pressing direction. One end of the swing piece is rotatably installed on the corner protector mounting seat through a connecting shaft, and the other end is movably connected with the sliding block through a first sliding piece. The torsional spring is sleeved on the connecting shaft, one end of the torsional spring abuts against the corner protector mounting seat, and the other end abuts against the swing piece. The sliding block has a waist-shaped hole, and the corner protector mounting seat has a curved hole. The sliding block is movably connected with the corner protector mounting seat by being slidably penetrated into the curved hole through a second sliding piece. The first sliding piece is penetrated into the waist-shaped hole and can slide in the waist-shaped hole. The sliding block is fixed with the corner protector piece. By pressing the pressing movable block, the corner protector piece is unhooked with the pressing movable block. Under the action of the elastic force of the torsional spring, the swing piece drives the sliding block to slide through the first sliding piece. At the same time, the sliding block slides along the curved trajectory of the curved hole under the limitation of the second sliding piece, thereby driving the corner protector piece to slide along the curved trajectory of the curved hole. The oblique sliding is in the direction away from the corner protector mounting seat.

[0005] Further, the curved hole comprises a slanting segment and a vertical segment, the slanting segment is approximately triangularly distributed with the top surface of the corner mounting base and the side surface of the corner mounting base close to the corner piece, the vertical segment is parallel to the corner piece, the curved trajectory of the curved hole is the trajectory formed by the connection of the slanting segment and the vertical segment, the trend of the vertical segment is perpendicular to the trend of the waist-shaped hole, the trend of the slanting segment intersects the trend of the waist-shaped hole, one end of the slanting segment connects the vertical segment, the other end of the slanting segment extends along a predetermined angle, the vertical segment is used to guide the vertical downward or upward movement of the corner piece, and the slanting segment is used to guide the horizontal movement of the corner piece away from or close to the corner mounting base.

[0006] Further, two ends of the curved hole are respectively a starting end and an ending end, the ending end is located at the vertical segment and is away from one end of the pressing movable assembly, and the starting end is the other end, when the second sliding piece is at the starting end, the corner piece is in a retracted state, when the second sliding piece is at the ending end, the corner piece is in an unfolded protection state, and when the sliding block drives the corner piece to slide along the trajectory direction from the starting end to the ending end, the corner piece changes from the retracted state to the unfolded protection state.

[0007] Further, two of the curved holes are arranged on each of the opposite two side surfaces of the corner mounting base, the two curved holes are vertically arranged, and the curved holes on the opposite two side surfaces correspond to each other, one of the waist-shaped holes is arranged on each of the opposite two side surfaces of the sliding block, the trend of the waist-shaped hole is perpendicular to the axial direction of the connecting shaft, and the waist-shaped holes on the opposite two side surfaces correspond to each other.

[0008] Further, the first sliding piece is a first sliding pin, and the second sliding piece is a second sliding pin, the movable distance of the first sliding pin in the horizontal direction and the vertical direction is greater than or equal to the movable distance of the second sliding pin in the horizontal direction and the vertical direction, respectively.

[0009] Further, the pressing movable assembly further comprises a countersunk screw, a spring and a movable rod, the pressing movable block is fixed with the movable rod through the countersunk screw, the spring is sleeved on the outer periphery of the movable rod, one end of the spring abuts against the pressing movable block, and the other end of the spring abuts against the corner mounting base.

[0010] Further, the buckle part has an oblique angle, when the pressing movable block is pressed to move downward or the corner piece is manually pushed to move upward, the barb part can be smoothly separated from or buckled with the buckle part along the oblique angle.

[0011] Further, the sliding block has a mounting hole on the side close to the corner guard sheet, the sliding block is fixed with the corner guard sheet through the mounting hole, and the corner guard mounting seat is fixed with the display screen box frame.

[0012] Further, the swing piece comprises a first through hole and a second through hole, the first through hole is used for penetrating the connecting shaft, and the second through hole is used for penetrating the first sliding piece.

[0013] Further, the corner guard mounting seat is in a whole mouth-shaped structure, and the swing piece is located inside the corner guard mounting seat.

[0014] Compared with the prior art, the LED display screen box semi-automatic corner guard has at least the following beneficial effects:

[0015] Firstly, the LED display screen box semi-automatic corner guard is provided with an inclined angle at the buckling part, so that the barb part can smoothly slide along the inclined surface of the inclined angle when the pressing movable block is pressed or the corner guard sheet is manually pushed, the friction resistance of unhooking separation is reduced, the risk of being stuck is avoided, the barb part and the buckling part are accurately aligned through the inclined surface, and the action is smooth when the corner guard sheet is unfolded for protection or is retracted.

[0016] Secondly, the LED display screen box semi-automatic corner guard adopts the elastic clamping design of the buckling part and the barb part, the torsional spring elastic force drives the swing piece to rotate, or the swing piece is manually driven to rotate in the reverse direction, and the composite sliding track linkage of the waist-shaped hole and the curved hole is combined, so that the corner guard sheet can be pressed one key to be unfolded for protection in an inclined track or be manually retracted, the traditional corner guard is avoided to be manually operated, the installation and maintenance efficiency is significantly improved, the design that the corner guard sheet needs to be manually operated ensures that the corner guard sheet remains stable under vibration or external interference, and the flexibility of automatic operation and manual intervention is overall considered. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a three-dimensional schematic view of an LED display screen box semi-automatic corner guard according to an embodiment of the present application.

[0018] Fig. 2 is an exploded schematic view of an LED display screen box semi-automatic corner guard according to an embodiment of the present application.

[0019] Fig. 3 is a schematic view of an unfolded protection state of a corner guard sheet of an LED display screen box semi-automatic corner guard according to an embodiment of the present application.

[0020] Fig. 4 is a schematic view of a retracted state of a corner guard sheet of an LED display screen box semi-automatic corner guard according to an embodiment of the present application.

[0021] In the drawings,

[0022] 1, press the movable block; 2, countersunk screw; 3, spring; 4, movable rod; 5, corner mounting seat; 6, swing piece; 7, torsional spring; 8, sliding block; 9, corner piece; 10, buckling part; 11, barb part; 12, connecting shaft; 13, first sliding piece; 14, second sliding piece; 15, waist-shaped hole; 16, curved hole; 17, oblique section; 18, vertical section; 19, starting end; 20, end; 21, bevel; 22, mounting hole; 23, first through hole; 24, second through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figs. 1 to 4 , which shows a kind of LED display screen box half-automatic corner guard provided by the embodiment of the present application, is installed on display screen box frame, including press movable assembly, corner mounting seat 5, swing piece 6, torsional spring 7, sliding block 8 and corner piece 9, the press movable assembly includes press movable block 1, the press movable block 1 has buckling part 10, the end of the corner piece 9 has barb part 11, the buckling part 10 can be engaged with the barb part 11, the press movable assembly and the corner mounting seat 5 are elastically connected in press direction, swing piece 6 one end is rotatably installed in the corner mounting seat 5 by connecting shaft 12, the other end is movably connected with the sliding block 8 by first sliding piece 13, the torsional spring 7 is sleeved on the connecting shaft 12, one end of the torsional spring 7 abuts the corner mounting seat 5, the other end abuts the swing piece 6, the sliding block 8 has waist-shaped hole 15, the corner mounting seat 5 has curved hole 16, the sliding block 8 is slidably connected with the corner mounting seat 5 by being slidably arranged in the curved hole 16, the first sliding piece 13 is arranged in the waist-shaped hole 15 and can slide in the waist-shaped hole 15, the sliding block 8 is fixed with the corner piece 9, by pressing the press movable block 1, the corner piece 9 is unhooked with the press movable block 1, under the action of the elastic force of the torsional spring 7, the swing piece 6 drives the sliding block 8 to slide through the first sliding piece 13, at the same time, the sliding block 8 is limited to slide along the curve trajectory of the curved hole 16 under the limitation of the second sliding piece 14, so as to drive the corner piece 9 to slide obliquely along the curve trajectory of the curved hole 16, the oblique sliding is the direction of the corner piece 9 away from the corner mounting seat 5.

[0025] Specifically, the curved hole 16 comprises a slanting segment 17 and a vertical segment 18, the slanting segment 17 is distributed in a substantially triangular shape with the top surface of the corner mounting seat 5 and the side surface of the corner mounting seat 5 close to the corner piece 9, the vertical segment 18 is parallel to the corner piece 9, the curved trajectory of the curved hole 16 is the trajectory formed by the connection of the slanting segment 17 and the vertical segment 18, the direction of the vertical segment 18 is perpendicular to the direction of the waist-shaped hole 15, the direction of the slanting segment 17 intersects the direction of the waist-shaped hole 15, one end of the slanting segment 17 connects the vertical segment 18, the other end of the slanting segment 17 extends in a slanting direction at a predetermined angle, the vertical segment 18 is used to guide the vertical downward or upward movement of the corner piece 9, and the slanting segment 17 is used to guide the horizontal movement of the corner piece 9 away from or close to the corner mounting seat 5.

[0026] More specifically, the curved hole 16 has a starting end 19 and a terminal end 20 at two ends thereof respectively, the terminal end 20 is located at the vertical segment 18 and is away from one end of the pressing movable assembly, and the starting end 19 is the other end, when the second sliding piece 14 is at the starting end 19, the corner piece 9 is in a retracted state, i.e. the state when the buckling part 10 is buckled with the barb part 11, and when the second sliding piece 14 is at the terminal end 20, the corner piece 9 is in an unfolded protection state, when the sliding block 8 drives the corner piece 9 to slide along the trajectory direction from the starting end 19 to the terminal end 20, the corner piece 9 changes from the retracted state to the unfolded protection state.

[0027] In some specific embodiments, the pressing movable block 1 is pressed, the pressing movable block 1 moves downward, the barb part 11 on the corner piece 9 can slide out of the buckling part 10 along the oblique angle 21 due to the oblique angle 21 of the buckling part 10, the barb part 11 is unbuckled with the buckling part 10 after sliding out, so that the corner piece 9 is unbuckled and locked with the pressing movable block 1, after the barb part 11 is unbuckled with the buckling part 10, the torsional spring 7 releases the elastic force to drive the swing piece 6 to rotate, drives the first sliding piece 13 to slide, and drives the sliding block 8 to slide at the same time, meanwhile, the sliding block 8 slides outward along the slanting trajectory under the limitation of the second sliding piece 14 along the slanting segment 17 and the vertical segment 18 of the curved hole 16, correspondingly, the second sliding piece 14 slides from the starting end 19 to the terminal end 20 of the curved hole 16, since the sliding block 8 is fixed with the corner piece 9, the sliding block 8 drives the corner piece 9 to slide outward along the slanting trajectory, and the automatic unfolding protection of the corner piece 9 is completed.

[0028] In some specific embodiments, the corner guard 9 is manually reset, the barb 11 of the corner guard 9 slides into the buckle 10 along the bevel 21 of the buckle 10 to be clamped, so that the corner guard 9 and the pressing movable block 1 restore the buckle locking relationship, during the manual reset process, the pushing of the corner guard 9 indirectly drives the swing piece 6 to rotate reversely, the torsional spring 7 is pressed, the swing piece 6 drives the first sliding piece 13 to slide, the first sliding piece 13 drives the sliding block 8 to slide, at the same time, the sliding block 8 slides inward along the inclined trajectory under the restriction of the vertical section 18 and the inclined section 17 of the curved hole 16, the inward sliding is directed to the sliding close to the corner guard mounting seat 5, correspondingly, the second sliding piece 14 slides from the terminal end 20 to the starting end 19 of the curved hole 16, since the sliding block 8 is fixed with the corner guard 9, the sliding block 8 drives the corner guard 9 to slide inward along the inclined trajectory, and the manual reset retracting action of the corner guard 9 is completed.

[0029] Specifically, two curved holes 16 are arranged on each of the opposite two side surfaces of the corner guard mounting seat 5, the two curved holes 16 are vertically arranged, and the curved holes 16 on the opposite two side surfaces correspond to each other, one waist-shaped hole 15 is arranged on each of the opposite two side surfaces of the sliding block 8, the waist-shaped hole 15 is perpendicular to the axial direction of the connecting shaft 12, and the waist-shaped holes 15 on the opposite two side surfaces correspond to each other.

[0030] Specifically, the first sliding piece 13 is a first sliding pin, and the second sliding piece 14 is a second sliding pin, the movable distance of the first sliding pin in the horizontal direction and the vertical direction is greater than or equal to the movable distance of the second sliding pin in the horizontal direction and the vertical direction, respectively.

[0031] Specifically, the pressing movable assembly further comprises a countersunk screw 2, a spring 3 and a movable rod 4, the pressing movable block 1 is fixed with the movable rod 4 through the countersunk screw 2, the spring 3 is sleeved on the outer periphery of the movable rod 4, one end of the spring 3 abuts against the pressing movable block 1, and the other end of the spring 3 abuts against the corner guard mounting seat 5.

[0032] Specifically, the buckle 10 has a bevel 21, when the pressing movable block 1 is pressed to move downward or the corner guard 9 is manually pushed to move upward, the barb 11 can be smoothly separated from or buckled with the buckle 10 along the bevel 21.

[0033] Specifically, the side surface of the sliding block 8 close to the corner guard 9 has a mounting hole 22, the sliding block 8 is fixed with the corner guard 9 through the mounting hole 22, and the corner guard mounting seat 5 is fixed with the display screen box frame.

[0034] Specifically, the swing member 6 comprises a first through hole 23 for penetrating the connecting shaft 12 and a second through hole 24 for penetrating the first sliding member 13.

[0035] Specifically, the corner guard mounting seat 5 is in the shape of an open square as a whole, and the swing member 6 is located inside the corner guard mounting seat 5.

[0036] In summary, the half-automatic corner guard of the LED display screen box body sets the bevel 21 in the buckling part 10, so that the barb part 11 can smoothly slide along the slope of the bevel 21 when the pressing movable block 1 is pressed or the corner guard piece 9 is manually pushed, which not only reduces the friction resistance of unhooking and separation and avoids the risk of jamming, but also guides the barb part 11 and the buckling part 10 to be accurately aligned through the slope, so that the corner guard piece 9 can be smoothly expanded or retracted.

[0037] It should be noted that the utility model is not limited to the above-mentioned embodiments, and other changes can be made by those skilled in the art according to the creative spirit of the utility model, and the changes made according to the creative spirit of the utility model should be included in the scope of protection claimed by the utility model.

Claims

1. A LED display screen cabinet semi-automatic corner guard, installed on a display screen cabinet frame, characterized in that, The application relates to a pressing movable assembly, a corner guard mounting base, a swing piece, a torsional spring, a sliding block and a corner guard sheet, wherein the pressing movable assembly comprises a pressing movable block, the pressing movable block is provided with a buckling part, the end of the corner guard sheet is provided with a barb part, the buckling part can be clamped with the barb part, the pressing movable assembly is elastically connected with the corner guard mounting base in a pressing direction, one end of the swing piece is rotatably installed on the corner guard mounting base through a connecting shaft, the other end is movably connected with the sliding block through a first sliding piece, the torsional spring is sleeved on the connecting shaft, one end of the torsional spring abuts against the corner guard mounting base, the other end abuts against the swing piece, the sliding block is provided with a waist-shaped hole, the corner guard mounting base is provided with a curved hole, the sliding block is slidably arranged in the curved hole through a second sliding piece to connect the corner guard mounting base, the first sliding piece is arranged in the waist-shaped hole and can slide in the waist-shaped hole, the sliding block is fixed with the corner guard sheet, the corner guard sheet is unhooked from the pressing movable block by pressing the pressing movable block, under the elastic force of the torsional spring, the swing piece drives the sliding block to slide through the first sliding piece, meanwhile, the sliding block slides along the curved trajectory of the curved hole under the limitation of the second sliding piece, thereby driving the corner guard sheet to slide along the curved trajectory of the curved hole, and the sliding is in a direction away from the corner guard mounting base.

2. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The curved hole comprises a slanting section and a vertical section, the slanting section and the side of the corner guard mounting base close to the corner guard sheet are distributed in a substantially triangular shape, the vertical section is parallel to the corner guard sheet, the curved trajectory of the curved hole is a trajectory formed by the connection of the slanting section and the vertical section, the trend of the vertical section is perpendicular to the trend of the waist-shaped hole, the trend of the slanting section intersects with the trend of the waist-shaped hole, one end of the slanting section connects the vertical section, the other end of the slanting section extends in a slanting direction at a predetermined angle, the vertical section is used for guiding the vertical downward or upward movement of the corner guard sheet, and the slanting section is used for guiding the horizontal movement of the corner guard sheet away from or close to the corner guard mounting base.

3. The LED display screen cabinet semi-automatic corner guard of claim 2, wherein, The two ends of the curved hole are respectively a starting end and a terminal end, the terminal end is located at the vertical section and is an end away from the pressing movable assembly, the starting end is the other end, when the second sliding piece is at the starting end, the corner guard sheet is in a retracted state, when the second sliding piece is at the terminal end, the corner guard sheet is in an unfolded protection state, and when the sliding block drives the corner guard sheet to slide along the trajectory direction from the starting end to the terminal end, the corner guard sheet is transformed from the retracted state to the unfolded protection state.

4. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, Two curved holes are arranged on each of the opposite two side faces of the corner guard mounting base, the two curved holes are vertically arranged, and the curved holes on the opposite two side faces correspond to each other, one waist-shaped hole is arranged on each of the opposite two side faces of the sliding block, the trend of the waist-shaped hole is perpendicular to the axial direction of the connecting shaft, and the waist-shaped holes on the opposite two side faces correspond to each other.

5. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The first sliding member is a first sliding pin, and the second sliding member is a second sliding pin, and the distance of the first sliding pin movable in the horizontal direction and the vertical direction is greater than or equal to the distance of the second sliding pin movable in the horizontal direction and the vertical direction respectively.

6. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The pressing movable assembly further comprises a countersunk screw, a spring and a movable rod, the pressing movable block is fixed with the movable rod through the countersunk screw, the spring is sleeved on the outer periphery of the movable rod, one end of the spring is abutted against the pressing movable block, and the other end of the spring is abutted against the corner mounting seat.

7. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The buckle part has an inclined angle, when the pressing movable block is pressed to move downward or the corner piece is manually pushed to move upward, the barb part can be smoothly separated from or buckled with the buckle part along the inclined angle.

8. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The slider is provided with a mounting hole on the side surface close to the corner piece, the slider is fixed with the corner piece through the mounting hole, and the corner mounting seat is fixed with the display screen box frame.

9. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The swinging member comprises a first through hole and a second through hole, the first through hole is used for penetrating the connecting shaft, and the second through hole is used for penetrating the first sliding member.

10. The LED display screen cabinet semi-automatic corner guard of claim 1, wherein, The corner mounting seat is integrally provided in a mouth-shaped structure, and the swinging member is located in the interior of the corner mounting seat. The first sliding member is a first sliding pin, and the second sliding member is a second sliding pin, and the distance of the first sliding pin movable in the horizontal direction and the vertical direction is greater than or equal to the distance of the second sliding pin movable in the horizontal direction and the vertical direction respectively.

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