CN212724568U

CN212724568U - Anti-seismic falling-down-proof movable LED display screen

Info

Publication number: CN212724568U
Application number: CN202021787375.4U
Authority: CN
Inventors: 冯强; 王庆龙
Original assignee: Hebei Green Photoelectric Technology Co ltd
Current assignee: Hebei Green Photoelectric Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-16
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a portable LED display screen of type is prevented falling by antidetonation, including the screen seat, a pedestal, be equipped with the LED screen body in the screen seat, be provided with heat-resisting blotter between the outer wall of the inner chamber wall of screen seat and the LED screen body, the shock attenuation group has been installed between screen seat and the base, the front and back end of base is provided with the fixed block, be provided with the shaft hole on the fixed block, the main shaft has been cup jointed to the shaft hole internal rotation, be provided with the connecting plate on the outer wall of main shaft, be provided with the heel brace on the connecting plate, the footboard, the both ends of main shaft are provided with the fender dish, the screw thread is provided. The shock absorption can be effectively buffered aiming at the shock caused by some uneven road surfaces, the stability of the LED screen body in the process of buffering and shock absorption is improved, the shock resistance of the whole LED screen body in the moving process is greatly improved, the stability of the whole LED screen body is greatly improved, and the falling-down prevention performance is greatly improved, so that the condition that the whole LED screen body is inclined and fallen down before and after the whole LED screen body is generated is avoided.

Description

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

Technical Field

The utility model belongs to the technical field of the LED display screen, specifically be a portable LED display screen of type is prevented falling by antidetonation.

Background

The LED display screen is a flat panel display, is composed of small LED module panels, is used for displaying various information such as characters, images, videos, video signals and the like, and is widely used for advertising in different outdoor places such as stadiums, commercial applications, banks and the like.

However, the existing mobile LED display screen mostly does not have a heat-resistant cushion pad structure surrounding the inner cavity wall of the screen base and a connection structure passing through the fixing bolt, and also does not have a damping set structure at four corners between the screen base and the base, and the shock resistance of the whole LED screen body in the moving process is poor.

Moreover, most of the LED screen bodies do not have the rotating locking type foot supporting structures and the pedal structures, so that the LED screen bodies cannot be conveniently and integrally and stably supported and locked and positioned, the LED screen bodies are easy to roll and fall around, and the stability of the whole LED screen bodies is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable LED display screen of type is prevented falling by antidetonation to solve among the prior art LED screen body whole relatively poor, the LED screen body holistic stability of moving the shock resistance of in-process and prevent falling the relatively poor problem of nature.

In order to achieve the above object, the utility model provides a following technical scheme: a shock-resistant falling-proof mobile LED display screen comprises a screen seat and a base, wherein an LED screen body is arranged in the screen seat, the LED screen body is a commonly-used LED display screen and is integrally in a cuboid shape, an inner cavity of the screen seat is in a cuboid shape, the upper end of the screen seat is open, the LED screen body is inserted in a matching manner, a heat-resistant cushion is arranged between the inner cavity wall of the screen seat and the outer wall surface of the LED screen body, the whole body of the heat-resistant cushion is made of a polyurethane rubber pad, one end of the body, facing the LED screen body, is provided with an aluminum silicate fiber material soft felt plate, the polyurethane rubber pad has elastic buffering performance, the aluminum silicate fiber material soft felt plate has heat resistance, the heat rectangle generated during the working of the LED screen body has certain heat-resistant effect, the polyurethane rubber pad is prevented from being heated and deformed, a damping group is arranged between the screen seat and the base, the lower end, the model is WS-4C-100, the quantity of the truckles is four, and the truckles are respectively arranged at four corners of the lower end of the base, so that the stability of the LED screen body during integral movement is further improved, the front end and the rear end of the base are provided with fixed blocks, shaft holes are arranged on the fixed blocks, a spindle is rotationally sleeved in the shaft holes, the outer wall surface of the spindle is provided with a connecting plate, the connecting plate is provided with a foot support and a pedal, the quantity of the spindle, the connecting plate and the pedal is respectively two and symmetrically arranged by taking the overlooking transverse central axis of the base as a center, two ends of the spindle are provided with baffle discs, threaded pins are arranged on the baffle discs in a threaded manner, a torsion spring is arranged between the baffle discs and the fixed blocks, the torsion spring is a common torsion spring, when the foot support rotates downwards to a vertical state, the torsional spring can release the torsional force and drive the heel brace and use the shaft hole to upwards rotate to vertical state and reset as the center, and the truckle contacts with ground this moment, and then has realized the holistic mobility of LED screen body again, convenient to use.

Preferably, the screen seat and the LED screen body are fixedly arranged through the fixing bolts, so that not only is the stable fixation between the screen seat and the LED screen body realized, but also the LED screen body can be detached from the screen seat.

Preferably, keep off and be provided with the screw on the dish, screw pin and screw threaded connection, the fixed block is provided with the locking groove towards the one end that keeps off the dish, and screw pin and locking groove joint, the round pin cap of screw pin are butterfly head turning handle structure, can directly hand twist and rotate convenient to use.

Preferably, be provided with two bilateral symmetry's heel brace on the connecting plate, improved the holistic stability of the LED screen body and prevented falling down nature, avoid the whole condition of taking place front and back heeling and falling down of the LED screen body.

Preferably, the left outer wall surface and the right outer wall surface of the connecting plate are in sliding contact with the inner wall surfaces of the left fixing block and the right fixing block on one side, so that the main shaft can be prevented from sliding left and right in the shaft hole automatically while the rotation of the main shaft is ensured.

Preferably, the number of the damping sets is four and is set up four corners between screen seat and screen seat respectively, refer to fig. 3, and the damping sets comprises piston rod, piston cylinder, damping spring, and the piston rod slides and sets up in the piston cylinder, sets up damping spring between piston rod and the piston cylinder inner wall, realizes the elastic connection between screen seat and the screen seat, and damping spring that this spring steel made can effectually carry out the shock attenuation buffering with the vibration power that the below transmitted.

Compared with the prior art, the beneficial effects of the utility model are that:

through the heat-resisting blotter structure that encircles the setting on the inner chamber wall at the screen seat to through fixing bolt connection structure, then four corners between screen seat and base set up the shock attenuation group structure, when removing LED screen body wholly, not only can effectively cushion the shock attenuation to the vibrations that some uneven road surfaces caused, improved the stability of the LED screen body in the shock attenuation in-process of buffering in addition, improved the whole antidetonation nature at the removal in-process of the LED screen body greatly.

Through the rotation locking formula heel brace structure that sets up to be provided with the footboard structure, realized convenient with the LED screen overall stability prop up and the locking location, moreover, two sets of heel brace structures that set up in base front and back end symmetry can improve the holistic stability of the LED screen greatly and prevent the nature of falling down, avoid the whole condition of taking place to heel and fall down before and after the LED screen.

Drawings

FIG. 1 is a front sectional view of the overall structure of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is a partial enlarged view of the unilateral damping group and the rotation locking type foot support structure shown in fig. 1 according to the present invention;

fig. 4 is a partial enlarged view of the unilateral rotation locking type footrest structure shown in fig. 2 according to the present invention.

In the figure: the LED screen comprises a screen base 1, a heat-resistant buffer cushion 101, an LED screen body 2, a fixing bolt 201, a base 3, a caster 31, a damping set 4, a fixing block 5, a shaft hole 51, a locking groove 52, a main shaft 6, a connecting plate 61, a foot support 62, a baffle disc 7, a screw hole 71, a pedal 8, a torsion spring 9 and a threaded pin 10.

Detailed Description

Referring to fig. 1, 2 and 3, a shock-resistant falling-proof mobile LED display screen comprises a screen base 1 and a base 3, wherein an LED screen body 2 is arranged in the screen base 1, a heat-resistant buffer pad 101 is arranged between an inner cavity wall of the screen base 1 and an outer wall surface of the LED screen body 2, the heat-resistant buffer pad 101 is bonded to the inner cavity wall of the screen base 1 in a surrounding manner through resin adhesive, the screen base 1 and the LED screen body 2 are fixedly arranged through a fixing bolt 201, a thread groove is preset on a housing of the LED screen body 2, through holes are preset on the screen base 1 and the heat-resistant buffer pad 101, the fixing bolt 201 passes through the preset through holes and is locked with the preset thread groove in a thread manner, a damping group 4 is arranged between the screen base 1 and the base 3, the damping group 4 is four and is respectively arranged between the screen base 1 and the screen base 3, the damping group 4 is composed of a piston rod, a piston cylinder and a damping spring, the lower end of the piston rod is welded, the upper end of the piston cylinder is welded and fixed with the screen seat 1.

Referring to fig. 1, 2, 3 and 4, casters 31 are mounted at the lower end of a base 3 through screws, fixed blocks 5 are welded at the front and rear ends of the base 3, a shaft hole 51 is formed in each fixed block 5, a spindle 6 is rotatably sleeved in the shaft hole 51, a connecting plate 61 is welded on the outer wall surface of the spindle 6, the left and right outer wall surfaces of the connecting plate 61 are in sliding contact with the inner wall surfaces of the left and right fixed blocks 5 on one side, footrests 62 and pedals 8 are welded on the connecting plate 61, the spindle 6, the connecting plate 61 and the pedals 8 are respectively two in number and symmetrically arranged by taking the overlooking transverse central axis of the base 3 as a center, two bilateral symmetric footrests 62 are arranged on the connecting plate 61, catch plates 7 are welded at the two ends of the spindle 6, threaded pins 10 are arranged on the catch plates 7 in a threaded manner, threaded holes 71 are arranged on the catch plates 7, the threaded pins, the threaded pin 10 is clamped with the locking groove 52, and the torsion spring 9 is welded between the baffle disc 7 and the fixed block 5.

The working principle of the scheme is as follows: when the whole LED screen body 2 is moved, the caster wheels 31 move to some uneven road surfaces, and can vibrate up and down, the vibration force is transmitted to the shock-absorbing groups 4 through the base 3, and the shock-absorbing groups 4 disposed at the four corners buffer and absorb the transmitted vertical vibration, and in addition, if a small part of the vibration force is not counteracted, it is transmitted to the heat-resistant cushion pad 101 through the screen stand 1, the heat-resistant buffer pad 101 can perform secondary buffering and offsetting on the small part of vibration force, can perform effective buffering and shock absorption on the vibration caused by some rugged road surfaces, and, two fixing bolts 201 are arranged on the lower side, the fixing bolts 201 are symmetrically arranged on the left side and the right side, the heat-resistant cushion pad 101 body also has certain damping antiskid performance, the stability of the LED screen body 2 in the process of buffering and damping is integrally improved, and the shock resistance of the whole LED screen body 201 in the moving process is greatly improved.

In addition, when the LED screen body 2 needs to be integrally fixed on a plane, a foot can be placed on the pedal 8 and step downwards, the connecting plate 61 drives the spindle 6 to rotate in the spindle hole 51, the foot support 62 is driven to rotate downwards to a vertical state by taking the spindle hole 51 as a center, the foot support 62 can integrally support the LED screen body 201, at the moment, the threaded pin 10 is aligned with the locking groove 52, the threaded pin 10 rotates clockwise, the threaded pin 10 is driven to be clamped into the locking groove 52 through the thread transmission of the screw hole 71, and the foot support 62 can be conveniently clamped and locked, so that the LED screen body 2 can be conveniently and stably supported and locked and positioned, and the two groups of foot supports 62 symmetrically arranged at the front end and the rear end of the base 3 are of the structure, so that the overall stability and the falling-down resistance of the LED screen body 2 are greatly improved, and the situation that the LED screen body 2 is integrally tilted forwards and backwards is prevented from.

Claims

1. The utility model provides a portable LED display screen of type is prevented falling by antidetonation, includes screen seat (1), base (3), its characterized in that: an LED screen body (2) is arranged in the screen seat (1), a heat-resistant buffer cushion (101) is arranged between the inner cavity wall of the screen seat (1) and the outer wall surface of the LED screen body (2), a damping group (4) is arranged between the screen seat (1) and the base (3), the lower end of the base (3) is provided with a caster (31), the front end and the rear end of the base (3) are provided with fixed blocks (5), the fixed block (5) is provided with a shaft hole (51), the shaft hole (51) is rotatably sleeved with a main shaft (6), a connecting plate (61) is arranged on the outer wall surface of the main shaft (6), a foot support (62) and a pedal (8) are arranged on the connecting plate (61), two ends of the main shaft (6) are provided with baffle discs (7), the baffle discs (7) are provided with threaded pins (10) in a threaded manner, and a torsion spring (9) is arranged between the baffle disc (7) and the fixed block (5).

2. The shock-resistant falling-down-resistant mobile LED display screen according to claim 1, characterized in that: the screen seat (1) and the LED screen body (2) are fixedly arranged through a fixing bolt (201).

3. The shock-resistant falling-down-resistant mobile LED display screen according to claim 1, characterized in that: the novel gear box is characterized in that a screw hole (71) is formed in the retaining disc (7), the threaded pin (10) is in threaded connection with the screw hole (71), a locking groove (52) is formed in one end, facing the retaining disc (7), of the fixing block (5), and the threaded pin (10) is connected with the locking groove (52) in a clamped mode.

4. The shock-resistant falling-down-resistant mobile LED display screen according to claim 1, characterized in that: the number of the main shaft (6), the connecting plate (61) and the pedals (8) is respectively two and is arranged in a central symmetry mode by taking the overlooking transverse central axis of the base (3) as a center.

5. The shock-resistant falling-down-resistant mobile LED display screen according to claim 1, characterized in that: two foot supports (62) which are symmetrical left and right are arranged on the connecting plate (61).

6. The shock-resistant falling-down-resistant mobile LED display screen according to claim 1, characterized in that: the left and right outer wall surfaces of the connecting plate (61) are in sliding contact with the inner wall surfaces of the left and right fixed blocks (5) on one side.

7. The shock-resistant falling-down-resistant mobile LED display screen according to claim 1, characterized in that: the number of the shock absorption groups (4) is four, and the four shock absorption groups are respectively arranged at four corners between the screen seat (1) and the base (3).