阅读说明：本技术 一种cob封装led显示屏用防撞保护结构 (COB encapsulation LED anticollision protection structure for display screen ) 是由 孙明存 韩福涛 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种COB封装LED显示屏用防撞保护结构,涉及LED显示屏技术领域,包括框体和COB封装LED显示屏,还包括：防撞机构；缓冲机构,缓冲机构包括第一缓冲组件、第二缓冲组件和第三缓冲组件。当框体遭到撞击时,防撞机构运动的同时防止COB封装LED显示屏受到撞击,防撞机构带动第一缓冲组件运动,对防撞机构受到的撞击力进行一次缓冲,第一缓冲组件带动第二缓冲组件运动,第二缓冲组件对防撞机构受到的撞击力进行二次缓冲,第一缓冲组件带动第三缓冲组件运动,第三缓冲组件对防撞机构受到的撞击力进行三次缓冲,解决了现有的防撞保护机构大多为多根弹簧进行减震,多根弹簧间单独工作,对外力缓冲范围小,容易导致COB封装LED显示屏受到损害的问题。(The invention discloses an anti-collision protection structure for a COB (chip on board) packaged LED (light-emitting diode) display screen, which relates to the technical field of LED display screens, and comprises a frame body and the COB packaged LED display screen, and further comprises: an anti-collision mechanism; the buffer mechanism comprises a first buffer component, a second buffer component and a third buffer component. When the framework suffers the striking, prevent when the anticollision institution motion that COB encapsulation LED display screen from receiving the striking, anticollision institution drives first buffering subassembly motion, the impact that receives anticollision institution cushions once, first buffering subassembly drives the motion of second buffering subassembly, the impact that the second buffering subassembly received anticollision institution cushions the secondary, first buffering subassembly drives the motion of third buffering subassembly, the impact that the third buffering subassembly received anticollision institution cushions the cubic, it is most for many springs to have solved current anticollision protection mechanism to cushion, the autonomous working between many springs, it is little to external force buffer range, lead to COB encapsulation LED display screen easily and receive the problem of harm.)

1. The utility model provides a COB encapsulation LED is crashproof protection architecture for display screen, includes framework and COB encapsulation LED display screen, inside the framework was located to COB encapsulation LED display screen, its characterized in that still includes:

the anti-collision mechanism is connected with the frame body;

one end of the buffer mechanism is connected with the frame body, the other end of the buffer mechanism is connected with the anti-collision mechanism, the buffer mechanism comprises a first buffer component, a second buffer component and a third buffer component, one end of the first buffer component is connected with the anti-collision mechanism, the other end of the first buffer component is connected with the frame body, one end of the second buffer component is connected with the first buffer component, the other end of the second buffer component is abutted against the anti-collision mechanism, one end of the third buffer component is connected with the first buffer component, and the other end of the third buffer component is abutted against the anti-collision mechanism;

when the framework suffers the striking, prevent when the anticollision institution motion that COB encapsulation LED display screen from receiving the striking, anticollision institution drives first buffering subassembly motion, cushions once to the impact that anticollision institution received, and first buffering subassembly drives the motion of second buffering subassembly, and the second cushions the impact that anticollision institution received and carries out the secondary and cushion, and first buffering subassembly drives the motion of third buffering subassembly, and the impact that the third buffering subassembly received anticollision institution carries out the cubic and cushions.

2. The anti-collision protection structure for the COB packaged LED display screen according to claim 1, wherein the anti-collision mechanism comprises:

the impact plate is arranged on the frame body;

and one end of the damping component is connected with the frame body, and the other end of the damping component is connected with the impact plate and is used for damping the impact force applied to the impact plate.

3. The anti-collision protection structure for the COB packaged LED display screen according to claim 2, wherein the shock absorption assembly comprises:

the first connecting frame is connected with the frame body, and air is filled in the first connecting frame;

the first sliding rod is connected with the first connecting frame in a sliding mode and is connected with the impact plate;

the first elastic piece is arranged inside the first connecting frame, one end of the first elastic piece is connected with the first sliding rod, and the other end of the first elastic piece is connected with the first connecting frame.

4. The anti-collision protection structure for the COB packaged LED display screen according to claim 3, wherein the first buffer assembly comprises:

the second connecting frame is connected with the frame body, and the interior of the second connecting frame is communicated with the interior of the first connecting frame;

the second sliding rod is connected with the second connecting frame in a sliding manner;

the second elastic piece is arranged in the second connecting frame, one end of the second elastic piece is connected with the second sliding rod, and the other end of the second elastic piece is connected with the second connecting frame;

one end of the first abutting component is connected with the second sliding rod, and the other end of the first abutting component abuts against the impact plate and is used for buffering the impact force applied to the impact plate;

and one end of the power assembly is connected with the first sliding rod, and the other end of the power assembly is connected with the second sliding rod and used for driving the second sliding rod to move.

5. The anti-collision protection structure for the COB packaged LED display screen according to claim 4, wherein the first abutting assembly comprises:

the third sliding rod penetrates through one end, close to the impact plate, of the second sliding rod and is connected with the second sliding rod in a sliding mode;

and one end of the third elastic piece is connected with the second sliding rod, and the other end of the third elastic piece is connected with the third sliding rod.

6. The anti-collision protection structure for the COB packaged LED display screen according to claim 4, wherein the power assembly comprises:

the first rack is connected with the first sliding rod;

the gear is rotationally connected with the frame body and meshed with the first rack;

and the second rack is connected with the second sliding rod and meshed with the gear.

7. The anti-collision protection structure for the COB packaged LED display screen according to claim 4, wherein the second buffer assembly comprises:

one end of the connecting pipe is communicated with the inside of the second connecting frame;

and the air bag is connected with the other end of the connecting pipe.

8. The anti-collision protection structure for the COB packaged LED display screen according to claim 4, wherein the third buffer assembly comprises:

the third connecting frame is connected with the frame body and communicated with the interior of the second connecting frame;

the fourth sliding rod is connected with the third connecting frame in a sliding manner;

and one end of the second abutting assembly is connected with the fourth sliding rod, and the other end of the second abutting assembly is abutted against the first sliding rod and is used for abutting and limiting the first sliding rod.

9. The anti-collision protection structure for the COB-packaged LED display screen according to claim 8, wherein the second abutting assembly comprises:

the fifth sliding rod penetrates through one end, close to the first sliding rod, of the fourth sliding rod and is connected with the fourth sliding rod in a sliding mode;

and one end of the fourth elastic piece is connected with the fourth sliding rod, and the other end of the fourth elastic piece is connected with the fifth sliding rod.

Technical Field

The invention relates to the technical field of LED display screens, in particular to an anti-collision protection structure for a COB packaged LED display screen.

Background

The LED display screen is a flat panel display, is composed of a plurality of small LED module panels, and has the function of displaying various information such as characters, images, videos and the like.

The COB technology is a novel LED packaging technology, can effectively improve the light emitting color of the LED display screen, reduces risks and reduces cost.

Although the LED display screen through COB technical encapsulation has stronger anti-collision ability, nevertheless when the impact is great, still can cause the damage to COB encapsulation LED display screen, consequently need to set up collision avoidance mechanism and protect COB encapsulation LED display screen, current collision avoidance mechanism mostly carries out the shock attenuation for many springs, work alone between many springs, it is little to the external force buffer range, the protective effect is relatively poor, lead to COB encapsulation LED display screen to receive the harm easily, therefore, urgent need for an anti-collision protection structure for COB encapsulation LED display screen to solve above-mentioned problem.

Disclosure of Invention

The embodiment of the invention aims to provide an anti-collision protection structure for a COB (chip on board) packaged LED display screen, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a COB encapsulation LED is anticollision protection structure for display screen, includes framework and COB encapsulation LED display screen, inside the framework was located to COB encapsulation LED display screen, still included:

the anti-collision mechanism is connected with the frame body;

one end of the buffer mechanism is connected with the frame body, the other end of the buffer mechanism is connected with the anti-collision mechanism, the buffer mechanism comprises a first buffer component, a second buffer component and a third buffer component, one end of the first buffer component is connected with the anti-collision mechanism, the other end of the first buffer component is connected with the frame body, one end of the second buffer component is connected with the first buffer component, the other end of the second buffer component is abutted against the anti-collision mechanism, one end of the third buffer component is connected with the first buffer component, and the other end of the third buffer component is abutted against the anti-collision mechanism;

when the framework suffers the striking, prevent when the anticollision institution motion that COB encapsulation LED display screen from receiving the striking, anticollision institution drives first buffering subassembly motion, cushions once to the impact that anticollision institution received, and first buffering subassembly drives the motion of second buffering subassembly, and the second cushions the impact that anticollision institution received and carries out the secondary and cushion, and first buffering subassembly drives the motion of third buffering subassembly, and the impact that the third buffering subassembly received anticollision institution carries out the cubic and cushions.

As a further scheme of the invention: the anticollision institution includes:

the impact plate is arranged on the frame body;

and one end of the damping component is connected with the frame body, and the other end of the damping component is connected with the impact plate and is used for damping the impact force applied to the impact plate.

As a further scheme of the invention: the shock-absorbing assembly includes:

the first connecting frame is connected with the frame body, and air is filled in the first connecting frame;

the first sliding rod is connected with the first connecting frame in a sliding mode and is connected with the impact plate;

the first elastic piece is arranged inside the first connecting frame, one end of the first elastic piece is connected with the first sliding rod, and the other end of the first elastic piece is connected with the first connecting frame.

As a further scheme of the invention: the first buffer assembly includes:

the second connecting frame is connected with the frame body, and the interior of the second connecting frame is communicated with the interior of the first connecting frame;

the second sliding rod is connected with the second connecting frame in a sliding manner;

the second elastic piece is arranged in the second connecting frame, one end of the second elastic piece is connected with the second sliding rod, and the other end of the second elastic piece is connected with the second connecting frame;

one end of the first abutting component is connected with the second sliding rod, and the other end of the first abutting component abuts against the impact plate and is used for buffering the impact force applied to the impact plate;

and one end of the power assembly is connected with the first sliding rod, and the other end of the power assembly is connected with the second sliding rod and used for driving the second sliding rod to move.

As a further scheme of the invention: the first abutment assembly comprises:

the third sliding rod penetrates through one end, close to the impact plate, of the second sliding rod and is connected with the second sliding rod in a sliding mode;

and one end of the third elastic piece is connected with the second sliding rod, and the other end of the third elastic piece is connected with the third sliding rod.

As a further scheme of the invention: the power assembly includes:

the first rack is connected with the first sliding rod;

the gear is rotationally connected with the frame body and meshed with the first rack;

and the second rack is connected with the second sliding rod and meshed with the gear.

As a further scheme of the invention: the second buffer assembly includes:

one end of the connecting pipe is communicated with the inside of the second connecting frame;

and the air bag is connected with the other end of the connecting pipe.

As a further scheme of the invention: the third buffer assembly includes:

the third connecting frame is connected with the frame body and communicated with the interior of the second connecting frame;

the fourth sliding rod is connected with the third connecting frame in a sliding manner;

and one end of the second abutting assembly is connected with the fourth sliding rod, and the other end of the second abutting assembly is abutted against the first sliding rod and is used for abutting and limiting the first sliding rod.

As a further scheme of the invention: the second abutment assembly comprises:

the fifth sliding rod penetrates through one end, close to the first sliding rod, of the fourth sliding rod and is connected with the fourth sliding rod in a sliding mode;

and one end of the fourth elastic piece is connected with the fourth sliding rod, and the other end of the fourth elastic piece is connected with the fifth sliding rod.

Compared with the prior art, the invention has the beneficial effects that:

when the frame body is impacted, the anti-collision mechanism moves and simultaneously prevents the COB packaged LED display screen from being impacted, the anti-collision mechanism drives the first buffer assembly to move, the first buffer component drives the second buffer component to move, the second buffer component carries out secondary buffer to the impact force received by the anti-collision mechanism, the first buffer component drives the third buffer component to move, the third buffer component carries out tertiary buffer to the impact force received by the anti-collision mechanism, the anti-collision capacity of the COB packaged LED display screen is greatly enhanced through three times of buffering, the COB packaged LED display screen is protected to a great extent, the problems that most of the existing anti-collision protection mechanisms absorb shock through a plurality of springs, the springs work independently are solved, the external force buffering range is small, the protection effect is poor, and the display screen is easily damaged.

Drawings

Fig. 1 is a schematic structural diagram of an anti-collision protection structure for a COB packaged LED display screen in an embodiment of the present invention.

Fig. 2 is a side view of an anti-collision protection structure for a COB packaged LED display screen according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram at a in fig. 2.

Fig. 4 is a schematic structural diagram at B in fig. 1.

Figure 5 is a perspective view of a shock absorbing assembly in an embodiment of the present invention.

In the figure: 1-a frame body; 2-COB packaging the LED display screen; 3-an anti-collision mechanism; 31-an impact plate; 32-a shock absorbing assembly; 321-a first connection frame; 322-a first slide bar; 323-a first elastic member; 4-a buffer mechanism; 41-a first cushioning component; 42-a second cushioning component; 43-a third cushioning component; 411-a second connecting frame; 412-a second slide bar; 413-a second elastic member; 414 — a first abutment assembly; 415-a power assembly; 4141-a third resilient member; 4142-third slide bar; 4151-first rack; 4152-gear; 4153-second rack; 421-connecting pipe; 422-air bag; 431-a third connecting frame; 432-a fourth slide bar; 433-a second abutment assembly; 4331-fifth slide bar; 4332-fourth resilient member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment of the present invention, referring to fig. 1 to 5, an anti-collision protection structure for a COB packaged LED display screen includes a frame 1 and a COB packaged LED display screen 2, where the COB packaged LED display screen 2 is disposed inside the frame 1, and further includes:

the anti-collision mechanism 3 is connected with the frame body 1;

one end of the buffer mechanism 4 is connected with the frame body 1, the other end of the buffer mechanism 4 is connected with the anti-collision mechanism 3, the buffer mechanism 4 comprises a first buffer component 41, a second buffer component 42 and a third buffer component 43, one end of the first buffer component 41 is connected with the anti-collision mechanism 3, the other end of the first buffer component 41 is connected with the frame body 1, one end of the second buffer component 42 is connected with the first buffer component 41, the other end of the second buffer component 42 is abutted against the anti-collision mechanism 3, one end of the third buffer component 43 is connected with the first buffer component 41, and the other end of the third buffer component 43 is abutted against the anti-collision mechanism 3;

when framework 1 suffered the striking, prevent when anticollision institution 3 moved that COB encapsulation LED display screen 2 from receiving the striking, anticollision institution 3 drove first buffer assembly 41 motion, the impact that anticollision institution 3 received cushions once, first buffer assembly 41 drove second buffer assembly 42 motion, the impact that second buffer assembly received anticollision institution 3 carries out the secondary buffering, first buffer assembly 41 drove third buffer assembly 43 motion, third buffer assembly 43 carries out the cubic buffering to the impact that anticollision institution 3 received. Anticollision institution 3 can adopt the spring to be connected with colliding the board, and external force striking hits the board, cushions the impact force through the spring, prevents that COB encapsulation LED display screen 2 from receiving the striking. First cushion subassembly 41, second cushion subassembly 42 and third cushion subassembly 43 can adopt the telescopic link to go up the cover and be equipped with the spring, and telescopic link and 3 butts of anticollision institution, and anticollision institution 3 receives impact extrusion telescopic link, extrudees the spring simultaneously, and the spring cushions the impact.

Referring to fig. 1, 2 and 5, as an embodiment of the present invention, the anti-collision mechanism 3 includes:

an impact plate 31 provided on the frame 1;

the damper assembly 32 has one end connected to the frame 1 and the other end connected to the impact plate 31, and is configured to damp an impact force applied to the impact plate 31.

The impact plate 31 is impacted by external force, and the shock absorption assembly 32 absorbs the impact force applied to the impact plate 31. The shock-absorbing component 32 can be a spring sleeved on a telescopic rod, the telescopic rod is connected with the impact plate 31, the impact plate 31 is impacted by external force, the telescopic rod is extruded by the impact plate 31, the spring is extruded simultaneously, and the impact force is buffered by the spring.

Referring to fig. 1, 2 and 5, as an embodiment of the present invention, the damping assembly 32 includes:

the first connecting frame 321 is connected with the frame body 1, and air is filled in the first connecting frame 321;

a first sliding rod 322 slidably connected to the first connecting frame 321, wherein the first sliding rod 322 is connected to the impact plate 31;

the first elastic element 323 is disposed inside the first connecting frame 321, and one end of the first elastic element 323 is connected to the first sliding rod 322, and the other end is connected to the first connecting frame 321.

The impact plate 31 presses the first sliding rod 322, so that the first sliding rod 322 moves, and the first sliding rod 322 moves to deform the first elastic member 323, so as to buffer the impact force applied to the impact plate 31 by the reaction force of the first elastic member 323. The first elastic element 323 can be a spring, a spring plate, or the like.

Referring to fig. 2 to 3, as an embodiment of the present invention, the first buffer element 41 includes:

a second connection frame 411 connected to the frame body 1, the second connection frame 411 communicating with the first connection frame 321;

a second sliding bar 412 slidably connected to the second connection frame 411;

a second elastic member 413 disposed inside the second connection frame 411, wherein one end of the second elastic member 413 is connected to the second sliding rod 412, and the other end is connected to the second connection frame 411;

a first abutting assembly 414, one end of which is connected to the second sliding rod 412 and the other end of which abuts against the impact plate 31, for buffering the impact force applied to the impact plate 31;

one end of the power assembly 415 is connected to the first sliding rod 322, and the other end is connected to the second sliding rod 412, so as to drive the second sliding rod 412 to move.

The first sliding rod 322 moves to drive the power assembly 415 to move, the power assembly 415 drives the second sliding rod 412 to move, and the second sliding rod 412 drives the first abutting assembly 414 to move, so that the first abutting assembly 414 abuts against the impact plate 31, and meanwhile, the second elastic piece 413 deforms to buffer the impact force applied to the impact plate 31. The second elastic element 413 may be a spring, a spring plate, or the like. The first abutting assembly 414 can be an elastic column, one end of the elastic column is connected with the second sliding rod 412, the other end of the elastic column abuts against the impact plate 31, and the impact plate 31 extrudes the elastic column to deform the elastic column, so that the impact force applied to the impact plate 31 is buffered. The power assembly can adopt a connecting rod, one end of the connecting rod is hinged to the first sliding rod 322, the other end of the connecting rod is hinged to the second sliding rod 412, the center of the connecting rod is rotatably connected with the frame body 1, the first sliding rod 322 moves to drive the connecting rod to rotate around the center, and the connecting rod drives the second sliding rod 412 to move reversely.

As an embodiment of the present invention, referring to fig. 2 to 3, the first abutting assembly 414 includes:

a third slide rod 4142 penetrating and slidably coupled to one end of the second slide rod 412 near the striking plate 31;

and a third elastic member 4141 having one end connected to the second slide lever 412 and the other end connected to the third slide lever 4142.

The second sliding rod 412 drives the third sliding rod 4142 to move, so that the third sliding rod 4142 abuts against the impact plate 31, and the second sliding rod 412 continues to move, so that the third elastic member 4141 deforms, and the impact force applied to the impact plate 31 is buffered. The third elastic piece can adopt a spring, an elastic piece and the like.

Referring to fig. 2 to 3, the power assembly 415 includes:

a first rack 4151 connected with the first sliding bar 322;

a gear 4152 rotatably connected to the frame 1 and engaged with the first rack 4151;

and a second rack 4153 connected to the second slide lever 412 and engaged with the gear 4152.

The first sliding rod 322 moves to drive the first rack 4151 to move, the first gear 4151 drives the gear 4152 to rotate, the gear 4152 drives the second rack 4153 to move, and the second rack 4153 drives the second sliding rod 412 to move in the opposite direction.

Referring to fig. 2, the second buffer assembly 42 includes:

a connection pipe 421 having one end communicated with the inside of the second connection frame 411;

and an air bag 422 connected to the other end of the connection tube 421.

The first sliding rod 322 moves to press the air inside the first connection frame 411, so that the air enters the inside of the connection pipe 421 through the second connection frame 411, and then enters the inside of the airbag 422, so that the airbag 422 inflates and expands, and the impact force applied to the impact plate 31 is buffered.

Referring to fig. 1 and 4, as an embodiment of the present invention, the third buffer assembly 43 includes:

a third connection frame 431 connected to the frame 1 and communicating with the inside of the second connection frame 411;

a fourth sliding bar 432 slidably connected to the third connection frame 431;

one end of the second abutting component 433 is connected with the fourth sliding rod 432, and the other end of the second abutting component is abutted with the first sliding rod 322 and used for abutting and limiting the first sliding rod 322.

Air enters the third connecting frame 431 to move the fourth sliding rod 432, the fourth sliding rod 432 drives the second abutting assembly 433 to move, and the second abutting assembly 433 abuts on the surface of the first sliding rod 322. The second abutment assembly 433 may be a resilient post.

Referring to fig. 1 and 4, as an embodiment of the present invention, the second abutting assembly 433 includes:

a fifth sliding rod 4331 passing through and slidably connected to one end of the fourth sliding rod 432 adjacent to the first sliding rod 322;

a fourth elastic member 4332, wherein one end of the fourth elastic member 4332 is connected to the fourth sliding bar 432, and the other end is connected to the fifth sliding bar 4331.

The fourth sliding rod 432 drives the fifth sliding rod 4331 to move, so that the fifth sliding rod 4331 abuts against the surface of the first sliding rod 322, the fourth sliding rod 432 continues to move, the fourth elastic element 4332 deforms, the fifth sliding rod 4331 abuts against the surface of the first sliding rod 322 under the reaction force of the fourth elastic element 4332, and the movement distance of the first sliding rod 322 is shortened by friction. The fourth elastic element 4332 may be a spring, a leaf spring, or the like.

The working principle of the invention is as follows: when the frame 1 is impacted, an external force impacts the impact plate 31, the impact plate 31 presses the first sliding rod 322, so that the first sliding rod 322 moves, the first sliding rod 322 moves to deform the first elastic member 323, the impact force on the impact plate 31 is longitudinally buffered under the reaction force of the first elastic member 323, the first sliding rod 322 moves to drive the first rack 4151 to move, the first gear 4151 drives the gear 4152 to rotate, the gear 4152 drives the second rack 4153 to move, the second rack 4153 drives the second sliding rod 412 to move in the opposite direction, the second sliding rod 412 drives the third sliding rod 4142 to move, so that the third sliding rod 4142 abuts against the impact plate 31, the second sliding rod 412 continues to move, so that the third elastic member 4141 deforms, the impact force on the impact plate 31 is longitudinally buffered, the first sliding rod 322 moves to press air inside the first connecting frame 411, the air enters the inside of the connecting pipe 421 through the second connecting frame 411 and then enters the inside of the airbag 422, so that the airbag 422 inflates and expands, the impact force on the impact plate 31 is longitudinally buffered, the air enters the inside of the third connecting frame 431 and then moves the fourth sliding rod 432, the fourth sliding rod 432 drives the fifth sliding rod 4331 to move, the fifth sliding rod 4331 abuts against the surface of the first sliding rod 322, the fourth sliding rod 432 continues to move, so that the fourth elastic piece 4332 deforms, under the reaction force of the fourth elastic piece 4332, the fifth sliding rod 4331 abuts against the surface of the first sliding rod 322, and the movement distance of the first sliding rod 322 is shortened through the transverse friction force.