CN111968534B

CN111968534B - Anti-seismic falling-down-proof movable LED display screen

Info

Publication number: CN111968534B
Application number: CN202010907247.7A
Authority: CN
Inventors: 林建忠; 林剑锋; 林玉科
Original assignee: Fujian Haijia Group Co ltd
Current assignee: Fujian Haijia Group Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2022-03-22
Anticipated expiration: 2040-09-02
Also published as: CN111968534A

Abstract

The invention discloses an anti-seismic falling-down-preventing movable LED display screen which comprises an LED display screen, a protective box and a movable frame, wherein the movable frame is horizontally and movably arranged in the protective box, transverse buffers are arranged between each side wall of the movable frame and each inner side wall of the protective box, the LED display screen is arranged on the movable frame, the front surface of the LED display screen faces a display opening of the protective box, a door plate capable of being opened and closed is arranged at the display opening of the protective box, a plurality of longitudinal buffer columns are arranged at the bottom of the protective box, and universal wheels are arranged at the bottoms of the longitudinal buffer columns. According to the anti-seismic falling-down-proof mobile LED display screen, the protection box is buffered by the deformation of the compression spring of the longitudinal buffer column along the vertical direction, and the protection box is buffered by the deformation of the first spring, the second spring and the third spring of the transverse buffer along the horizontal direction, so that the anti-seismic falling-down-proof mobile LED display screen has excellent anti-seismic performance.

Description

Anti-seismic falling-down-proof movable LED display screen

Technical Field

The invention relates to the technical field of LED display screens, in particular to a shock-resistant and fall-resistant mobile LED display screen.

Background

The LED display screen is a device which is composed of a plurality of LED module panels and is used for displaying various information such as characters, images, videos and the like, has the advantages of bright color, stable work, long service life and the like, and is widely applied to cultural performance, information dissemination, news release, commercial media and the like. Common portable LED display screen is owing to lack damping device in the existing market for the internals of LED display screen is easily because of receiving the vibration and harming, and in addition, when the LED display screen was idle, easily because of receiving the vibration and taking place to empty, cause the LED display screen impaired.

Therefore, a shock-resistant and fall-resistant mobile LED display screen is urgently needed.

Disclosure of Invention

In view of the above, the present invention provides an anti-seismic and anti-falling mobile LED display screen to solve the above technical problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a portable LED display screen of type is prevented falling by antidetonation, includes the LED display screen, still includes protective housing and adjustable shelf, the activity of adjustable shelf level sets up in the protective housing, each lateral wall of adjustable shelf with all be provided with horizontal buffer between each inside wall of protective housing, the LED display screen is installed on the adjustable shelf, just the front orientation of LED display screen the demonstration mouth of protective housing, the demonstration mouth department of protective housing is provided with the door plant that can open and close, the bottom of protective housing is provided with the vertical buffering post of a plurality of, the bottom of vertical buffering post is provided with the universal wheel.

Further, horizontal buffer includes bowl type seat, removal frame and a pair of sliding seat, and a pair of sliding seat bilateral symmetry activity sets up in the bowl type seat, one side that the sliding seat deviates from another sliding seat with be provided with first spring between the inside wall of bowl type seat, the lower part setting of removing the frame is between a pair of sliding seat, just the upper end of removing the frame stretches out bowl type seat, it is relative to remove the frame when bowl type seat removes, the sliding seat removes and makes first spring is compressed.

Furthermore, the moving frame comprises a touch plate, a connecting rod and a moving block which are sequentially connected from top to bottom, a pair of upper inclined planes are symmetrically arranged on two sides of the upper portion of the moving block, a pair of lower inclined planes are symmetrically arranged on two sides of the lower portion of the moving block, an upper inclined block which corresponds to and is matched with the upper inclined planes is arranged on the moving seat, and a lower inclined block which corresponds to and is matched with the lower inclined planes is further arranged on the moving seat.

Furthermore, a moving seat is arranged between the first spring and the inner side wall of the bowl-shaped seat, and a second spring is arranged between the moving seat and the inner side wall of the bowl-shaped seat.

Furthermore, a third spring is arranged below the moving block.

Furthermore, a moving plate is arranged in the bowl-shaped seat in a vertically sliding manner, the upper end of the third spring abuts against and is supported on the moving block, the lower end of the third spring abuts against and is supported on the moving plate, two ends of the moving plate are respectively connected with the moving seat on the corresponding side through pull rods, one end of each pull rod is pivoted on the moving plate, and the other end of each pull rod is pivoted on the moving seat.

Furthermore, a guide seat is installed in the bowl-shaped seat, the moving plate is arranged in a hole cavity of the guide seat in a sliding mode, two sides of the moving plate are respectively provided with a roller, and the rollers roll on the inner wall of the hole cavity.

Furthermore, a pair of first guide rods is fixedly connected to the moving seat, and a pair of first guide holes correspondingly matched with the first guide rods is formed in the moving plate of the moving seat.

Furthermore, the movable plate and the movable seat are arranged in the bowl-shaped seat in a sliding mode through a second guide rod, the second guide rod is fixedly connected to the inner side wall of the bowl-shaped seat, a second guide hole matched with the second guide rod is formed in the movable plate, and a fourth guide hole matched with the second guide rod is formed in the movable seat.

Furthermore, a third guide rod correspondingly matched with the second spring is fixedly connected to the inner side wall of the bowl-shaped seat, and the free end of the third guide rod is slidably arranged in a third guide hole in the movable seat.

The technical scheme can show that the invention has the advantages that: this portable LED display screen of falling type is prevented falling in antidetonation takes place to deform through the compression spring of vertical buffer post and cushions the protecting box and receives the impact along the vertical direction, also can take place to deform through the first spring of horizontal buffer, second spring and third spring and cushion the protecting box and receive the impact along the horizontal direction, avoided strikeing directly to the LED display screen on, thereby make this portable LED display screen of falling type is prevented falling in antidetonation have excellent anti-seismic performance, in addition, the setting up of protecting box then enables this portable LED display screen of falling type is prevented falling in antidetonation to place more steadily, thereby can effectively avoid the LED display screen to take place the accident and fall.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is an enlarged view of fig. 1 at B.

Fig. 3 is a schematic top view of a partial structure of the present invention.

Fig. 4 is a schematic cross-sectional view of the lateral buffer of the present invention.

Fig. 5 is an enlarged view at C in fig. 4.

Fig. 6 is an enlarged view at D in fig. 4.

Fig. 7 is an enlarged view at E in fig. 4.

List of reference numerals: the protection box 1, the door panel 12, the L-shaped base 13, the rotation pin 14, the L-shaped card seat 15, the movable frame 2, the LED display screen 3, the lateral buffer 4, the bowl-shaped seat 41, the guide seat 411, the bore 4111, the second guide bar 412, the third guide bar 413, the movable frame 42, the touch panel 421, the connecting rod 422, the movable block 423, the upper inclined plane 4231, the lower inclined plane 4232, the spring limit groove 4233, the movable seat 43, the movable plate 431, the first guide hole 4311, the second guide hole 4312, the upper inclined block 432, the first inclined plane 4321, the lower inclined block 433, the second inclined plane 4331, the movable seat 44, the first guide bar 441, the third guide hole 442, the fourth guide hole 443, the first spring 45, the second spring 46, the pressing seat 461, the third spring 47, the movable plate 48, the supporting rod 481, the roller 482, the pull rod 49, the longitudinal buffer column 5, the outer cylinder 51, the telescopic rod 52, the compression spring 53, and the universal wheel 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

Referring to fig. 1 to 7, as shown in fig. 1 and 3, the shock-resistant falling-down-proof mobile LED display screen comprises a protective box 1, a movable frame 2 and an LED display screen 3, wherein the movable frame 2 is horizontally and movably arranged in the protective box 1, the LED display screen 3 is arranged on the movable frame 2, the front surface of the LED display screen 3 faces a display opening on the front surface of the protective box 1, a door panel 12 capable of being opened and closed is arranged at the display opening of the protective box 1, the door panel 12 at the display opening is opened when in use, the door panel 12 at the display opening is closed when not in use, the LED display screen 3 can be effectively protected, the top of the movable frame 2 is abutted against the inner top wall of the protective box 1, the bottom of the movable frame 2 is abutted against the inner bottom wall of the protective box 1, two transverse buffers 4 are arranged between the left side wall of the movable frame 2 and the left inner side wall of the protective box 1, two transverse buffers 4 are arranged between the right side wall of the movable frame 2 and the right inner side wall of the protective box 1, four transverse buffers 4 are arranged between the front side wall of the movable frame 2 and the front inner side wall of the protective box 1, four transverse buffers 4 are arranged between the rear side wall of the movable frame 2 and the rear inner side wall of the protective box 1, the transverse buffers 4 arranged between the side part of the movable frame 2 and the inner side wall of the protective box 1 can effectively buffer horizontal impact on the protective box 1, prevent the horizontal impact from directly acting on the LED display screen 3 and can protect the LED display screen 3, a plurality of longitudinal buffer columns 5 are arranged at the bottom of the protective box 1, the longitudinal buffer columns 5 can buffer vertical impact on the protective box 1, prevent the vertical impact from directly acting on the LED display screen 3 to damage the LED display screen 3, universal wheels 6 are arranged at the bottom of the longitudinal buffer columns 5, the movement is convenient, the arrangement of the protective box 1 enables the LED display screen 3 to be placed more stably, the LED display screen 3 can be effectively prevented from being accidentally fallen down.

As shown in fig. 4, 5, 6, and 7, the lateral buffer 4 includes a bowl-shaped seat 41, a moving frame 42, a pair of movable seats 43, and a third spring 47, the moving frame 42 includes a touch plate 421, a connecting rod 422, and a moving block 423 sequentially connected from top to bottom, the touch plate 421 is located outside the bowl-shaped seat 41, the moving block 423 is symmetrically provided with a pair of upper inclined surfaces 4231 at the left and right sides of the upper portion of the moving block 423, the moving block 423 is symmetrically provided with a pair of lower inclined surfaces 4232 at the left and right sides of the lower portion of the moving block 423, the pair of movable seats 43 is movably provided in the bowl-shaped seat 41, the moving block 423 of the moving frame 42 is provided between the pair of movable seats 43, an upper inclined block 432 corresponding to the moving plate is provided at the upper portion of the moving plate 431 of the other movable seat 43, a lower inclined block 433 corresponding to the lower inclined surface 4232 is provided at the lower portion of the moving plate 431 of the other movable seat 43, a pair of first springs 45 are arranged between one side of the moving plate 431, which is far away from the other moving seat 43, and the inner side wall of the bowl-shaped seat 41, a moving seat 44 is arranged between the pair of first springs 45 and the inner side wall of the bowl-shaped seat 41, a second spring 46 is arranged between the moving seat 44 and the inner side wall of the bowl-shaped seat 41, a guide seat 411 is installed on the inner bottom wall of the bowl-shaped seat 41, a moving plate 48 is arranged in the guide seat 411 in a vertically sliding manner, the upper end of the third spring 47 is supported in a spring limiting groove 4233 at the bottom of the moving block 423 in a supporting manner, the lower end of the third spring 47 is supported on the moving plate 48 in a supporting manner, two ends of the moving plate 48 are respectively connected with the moving seat 44 at the corresponding side through a pull rod 49, one end of the pull rod 49 is arranged on the moving plate 48, the other end of the pull rod 49 is pivoted on the moving seat 44, when the moving frame 42 is impacted and moves vertically relative to the bowl-shaped seat 41, an upper inclined surface 4231 on the moving block 423 is connected with a first inclined surface 4321 of the upper inclined block 432 or a lower inclined surface 4232 on the moving block 423 and a third inclined surface 4232 of the lower inclined block 433 Under the guidance of the two inclined planes 4331, the pair of movable seats 43 move away from each other, so that the first spring 45 and the second spring 46 are compressed, and meanwhile, the pair of movable seats 43 move away from each other, so that the movable plate 48 is pulled to move upwards through the pair of pull rods 49, so that the third spring 47 is compressed, and further, the buffer effect can be achieved through the elastic deformation of the first spring 45, the second spring 46 and the third spring 47, and when the movable frame 42 moves leftwards or rightwards relative to the bowl-shaped seat 41, the movable block 423 can push the movable seat 43 on the corresponding side to move, so that the first spring 45 and the second spring 46 on the corresponding side are compressed, and the buffer effect is achieved.

In this embodiment, the moving plate 48 is slidably disposed in the bore 4111 of the guide seat 411, the supporting rods 481 on both sides of the moving plate 48 are respectively installed with a roller 482, and the rollers 482 roll on the inner wall of the bore 4111, so that the moving plate 48 moves more smoothly.

In this embodiment, a pair of first guide rods 441 is fixed to the moving base 44, a pair of first guide holes 4311 corresponding to the pair of first guide rods 441 is disposed on the moving plate 431 of the moving base 43, and a first spring 45 is respectively sleeved on each first guide rod 441.

In this embodiment, the left inner sidewall and the right inner sidewall of the bowl-shaped seat 41 are respectively and vertically connected to a second guide rod 412, the moving plate 431 is provided with a second guide hole 4312 matching with the second guide rod 412, and the moving seat 44 is provided with a fourth guide hole 443 matching with the second guide rod 412.

In this embodiment, a third guide rod 413 is vertically connected to the left inner side wall and the right inner side wall of the bowl-shaped seat 41, the free end of the third guide rod 413 is slidably disposed in a third guide hole 442 of the movable seat 44, the pair of second springs 46 are respectively sleeved on the pair of third guide rods 413, one end of each second spring 46 abuts against the corresponding third guide rod 413, the other end of each second spring 46 abuts against a pressing seat 461 sleeved on the corresponding third guide rod 413, and the pressing seat 461 abuts against the movable seat 44.

In this embodiment, the bowl-shaped seat 41 of the transverse buffer 4 is fixedly mounted on the movable frame 2, and the touch plate 421 of the transverse buffer 4 is fixedly mounted on the inner side wall of the protective box 1.

As shown in fig. 1 and 3, a pair of L-shaped bases 13 is disposed below the display opening of the protective box 1, two rotation pins 14 are respectively pivoted to the left and right sides of the display opening of the protective box 1, two L-shaped card seats 15 correspondingly matched with the rotation pins 14 are respectively disposed on the left and right sides of the door plate 12, and after the lower edges of the door plate 12 are inserted into the pair of L-shaped bases 13, a user rotates the rotation pins 14 to clamp the rotation pins 14 onto the corresponding L-shaped card seats 15, so that the door plate 12 can be fixed, and the use is very convenient.

As shown in fig. 2, the longitudinal buffer column 5 includes an outer cylinder 51, a telescopic rod 52 and a compression spring 53, the outer cylinder 51 is fixedly installed at the bottom of the protection box 1, the telescopic rod 52 is telescopically arranged in the outer cylinder 51, the lower end of the telescopic rod 52 penetrates through the bottom of the outer cylinder 51 to be connected with the universal wheel 6, the compression spring 53 is arranged in the outer cylinder 51, the upper end of the compression spring 53 is supported on the bottom surface of the protection box 1, and the lower end of the compression spring 53 is supported on the upper end surface of the telescopic rod 52.

As shown in fig. 1, fig. 3, when protective housing 1 received along the impact of vertical direction, this antidetonation is prevented falling down portable LED display screen can take place to deform through the compression spring 53 of vertical buffer post 5 and cushion, avoided strikeing directly to the LED display screen 3 on, when protective housing 1 received along the impact of horizontal direction, this antidetonation is prevented falling down portable LED display screen can take place to deform through the first spring 45 of horizontal buffer 4, second spring 46 and third spring 47 and cushion, avoided strikeing directly to the LED display screen 3 on, thereby make this antidetonation prevent falling down portable LED display screen and have excellent anti-seismic performance, in addition, protective housing 1's setting then enables this antidetonation to prevent falling down placing of portable LED display screen more steadily, thereby can effectively avoid LED display screen 3 to fall unexpectedly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The anti-seismic falling-down-preventing movable LED display screen comprises an LED display screen (3) and is characterized by further comprising a protective box (1) and a movable frame (2), wherein the movable frame (2) is horizontally and movably arranged in the protective box (1), a transverse buffer (4) is arranged between each side wall of the movable frame (2) and each inner side wall of the protective box (1), the LED display screen (3) is installed on the movable frame (2), the front side of the LED display screen (3) faces a display opening of the protective box (1), a door plate (12) capable of being opened and closed is arranged at the display opening of the protective box (1), a plurality of longitudinal buffer columns (5) are arranged at the bottom of the protective box (1), and universal wheels (6) are arranged at the bottoms of the longitudinal buffer columns (5); the transverse buffer (4) comprises a bowl-shaped seat (41), a moving frame (42) and a pair of movable seats (43), the pair of movable seats (43) are movably arranged in the bowl-shaped seat (41) in a bilateral symmetry mode, a first spring (45) is arranged between one side, away from the other movable seat (43), of each movable seat (43) and the inner side wall of the bowl-shaped seat (41), the lower portion of the moving frame (42) is arranged between the pair of movable seats (43), the upper end of the moving frame (42) extends out of the bowl-shaped seat (41), and when the moving frame (42) moves relative to the bowl-shaped seat (41), the movable seats (43) move to enable the first spring (45) to be compressed; the movable frame (42) comprises a touch plate (421), a connecting rod (422) and a movable block (423) which are sequentially connected from top to bottom, a pair of upper inclined planes (4231) are symmetrically arranged on two sides of the upper portion of the movable block (423), a pair of lower inclined planes (4232) are symmetrically arranged on two sides of the lower portion of the movable block (423), an upper inclined block (432) correspondingly matched with the upper inclined planes (4231) is arranged on the movable seat (43), and a lower inclined block (433) correspondingly matched with the lower inclined planes (4232) is further arranged on the movable seat (43); a moving seat (44) is arranged between the first spring (45) and the inner side wall of the bowl-shaped seat (41), and a second spring (46) is arranged between the moving seat (44) and the inner side wall of the bowl-shaped seat (41); a third spring (47) is arranged below the moving block (423); a moving plate (48) is arranged in the bowl-shaped seat (41) in a vertically sliding manner, the upper end of a third spring (47) abuts against and is supported on the moving block (423), the lower end of the third spring (47) abuts against and is supported on the moving plate (48), two ends of the moving plate (48) are respectively connected with the moving seat (44) on the corresponding side through pull rods (49), one end of each pull rod (49) is pivoted on the moving plate (48), and the other end of each pull rod (49) is pivoted on the moving seat (44); a guide seat (411) is installed in the bowl-shaped seat (41), the moving plate (48) is arranged in a hole cavity (4111) of the guide seat (411) in a sliding mode, two sides of the moving plate (48) are respectively provided with a roller (482), and the rollers (482) roll on the inner wall of the hole cavity (4111).

2. The shock-resistant falling-resistant mobile LED display screen according to claim 1, wherein a pair of first guide rods (441) is fixed on the mobile seat (44), and a pair of first guide holes (4311) correspondingly matched with the first guide rods (441) is arranged on the mobile plate (431) of the mobile seat (43).

3. The shock-resistant falling-resistant mobile LED display screen according to claim 2, wherein the moving plate (431) and the moving base (44) are slidably disposed in the bowl-shaped base (41) through a second guide rod (412), the second guide rod (412) is fixedly connected to an inner side wall of the bowl-shaped base (41), the moving plate (431) is provided with a second guide hole (4312) matched with the second guide rod (412), and the moving base (44) is provided with a fourth guide hole (443) matched with the second guide rod (412).

4. An earthquake-resistant falling-resistant mobile LED display screen according to claim 3, wherein a third guide rod (413) correspondingly matched with the second spring (46) is fixedly connected to the inner side wall of the bowl-shaped seat (41), and the free end of the third guide rod (413) is slidably arranged in a third guide hole (442) of the mobile seat (44).